diff options
611 files changed, 15939 insertions, 6109 deletions
diff --git a/Documentation/ABI/testing/sysfs-firmware-opal-powercap b/Documentation/ABI/testing/sysfs-firmware-opal-powercap new file mode 100644 index 000000000000..c9b66ec4f165 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-firmware-opal-powercap @@ -0,0 +1,31 @@ +What: /sys/firmware/opal/powercap +Date: August 2017 +Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org> +Description: Powercap directory for Powernv (P8, P9) servers + + Each folder in this directory contains a + power-cappable component. + +What: /sys/firmware/opal/powercap/system-powercap + /sys/firmware/opal/powercap/system-powercap/powercap-min + /sys/firmware/opal/powercap/system-powercap/powercap-max + /sys/firmware/opal/powercap/system-powercap/powercap-current +Date: August 2017 +Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org> +Description: System powercap directory and attributes applicable for + Powernv (P8, P9) servers + + This directory provides powercap information. It + contains below sysfs attributes: + + - powercap-min : This file provides the minimum + possible powercap in Watt units + + - powercap-max : This file provides the maximum + possible powercap in Watt units + + - powercap-current : This file provides the current + powercap set on the system. Writing to this file + creates a request for setting a new-powercap. The + powercap requested must be between powercap-min + and powercap-max. diff --git a/Documentation/ABI/testing/sysfs-firmware-opal-psr b/Documentation/ABI/testing/sysfs-firmware-opal-psr new file mode 100644 index 000000000000..cc2ece70e365 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-firmware-opal-psr @@ -0,0 +1,18 @@ +What: /sys/firmware/opal/psr +Date: August 2017 +Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org> +Description: Power-Shift-Ratio directory for Powernv P9 servers + + Power-Shift-Ratio allows to provide hints the firmware + to shift/throttle power between different entities in + the system. Each attribute in this directory indicates + a settable PSR. + +What: /sys/firmware/opal/psr/cpu_to_gpu_X +Date: August 2017 +Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org> +Description: PSR sysfs attributes for Powernv P9 servers + + Power-Shift-Ratio between CPU and GPU for a given chip + with chip-id X. This file gives the ratio (0-100) + which is used by OCC for power-capping. diff --git a/Documentation/devicetree/bindings/net/brcm,amac.txt b/Documentation/devicetree/bindings/net/brcm,amac.txt index 2fefa1a44afd..ad16c1f481f7 100644 --- a/Documentation/devicetree/bindings/net/brcm,amac.txt +++ b/Documentation/devicetree/bindings/net/brcm,amac.txt @@ -11,6 +11,7 @@ Required properties: - reg-names: Names of the registers. "amac_base": Address and length of the GMAC registers "idm_base": Address and length of the GMAC IDM registers + (required for NSP and Northstar2) "nicpm_base": Address and length of the NIC Port Manager registers (required for Northstar2) - interrupts: Interrupt number diff --git a/Documentation/devicetree/bindings/net/brcm,bgmac-nsp.txt b/Documentation/devicetree/bindings/net/brcm,bgmac-nsp.txt deleted file mode 100644 index 022946caa7e2..000000000000 --- a/Documentation/devicetree/bindings/net/brcm,bgmac-nsp.txt +++ /dev/null @@ -1,24 +0,0 @@ -Broadcom GMAC Ethernet Controller Device Tree Bindings -------------------------------------------------------------- - -Required properties: - - compatible: "brcm,bgmac-nsp" - - reg: Address and length of the GMAC registers, - Address and length of the GMAC IDM registers - - reg-names: Names of the registers. Must have both "gmac_base" and - "idm_base" - - interrupts: Interrupt number - -Optional properties: -- mac-address: See ethernet.txt file in the same directory - -Examples: - -gmac0: ethernet@18022000 { - compatible = "brcm,bgmac-nsp"; - reg = <0x18022000 0x1000>, - <0x18110000 0x1000>; - reg-names = "gmac_base", "idm_base"; - interrupts = <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>; - status = "disabled"; -}; diff --git a/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt b/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt index 194926f77194..1ff02afdc55a 100644 --- a/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt +++ b/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt @@ -4,7 +4,7 @@ Required properties: - compatible: Should be one of the following. - "rockchip,rk3066a-efuse" - for RK3066a SoCs. - "rockchip,rk3188-efuse" - for RK3188 SoCs. - - "rockchip,rk322x-efuse" - for RK322x SoCs. + - "rockchip,rk3228-efuse" - for RK3228 SoCs. - "rockchip,rk3288-efuse" - for RK3288 SoCs. - "rockchip,rk3399-efuse" - for RK3399 SoCs. - reg: Should contain the registers location and exact eFuse size diff --git a/Documentation/devicetree/bindings/powerpc/opal/sensor-groups.txt b/Documentation/devicetree/bindings/powerpc/opal/sensor-groups.txt new file mode 100644 index 000000000000..6ad881cbffda --- /dev/null +++ b/Documentation/devicetree/bindings/powerpc/opal/sensor-groups.txt @@ -0,0 +1,27 @@ +IBM OPAL Sensor Groups Binding +------------------------------- + +Node: /ibm,opal/sensor-groups + +Description: Contains sensor groups available in the Powernv P9 +servers. Each child node indicates a sensor group. + +- compatible : Should be "ibm,opal-sensor-group" + +Each child node contains below properties: + +- type : String to indicate the type of sensor-group + +- sensor-group-id: Abstract unique identifier provided by firmware of + type <u32> which is used for sensor-group + operations like clearing the min/max history of all + sensors belonging to the group. + +- ibm,chip-id : Chip ID + +- sensors : Phandle array of child nodes of /ibm,opal/sensor/ + belonging to this group + +- ops : Array of opal-call numbers indicating available operations on + sensor groups like clearing min/max, enabling/disabling sensor + group. diff --git a/Documentation/devicetree/bindings/ptp/brcm,ptp-dte.txt b/Documentation/devicetree/bindings/ptp/brcm,ptp-dte.txt index 07590bcdad15..7c04e22a5d6a 100644 --- a/Documentation/devicetree/bindings/ptp/brcm,ptp-dte.txt +++ b/Documentation/devicetree/bindings/ptp/brcm,ptp-dte.txt @@ -1,13 +1,20 @@ -* Broadcom Digital Timing Engine(DTE) based PTP clock driver +* Broadcom Digital Timing Engine(DTE) based PTP clock Required properties: -- compatible: should be "brcm,ptp-dte" +- compatible: should contain the core compatibility string + and the SoC compatibility string. The SoC + compatibility string is to handle SoC specific + hardware differences. + Core compatibility string: + "brcm,ptp-dte" + SoC compatibility strings: + "brcm,iproc-ptp-dte" - for iproc based SoC's - reg: address and length of the DTE block's NCO registers Example: -ptp_dte: ptp_dte@180af650 { - compatible = "brcm,ptp-dte"; +ptp: ptp-dte@180af650 { + compatible = "brcm,iproc-ptp-dte", "brcm,ptp-dte"; reg = <0x180af650 0x10>; status = "okay"; }; diff --git a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt index e6b572409cf5..574c3a2c77d5 100644 --- a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt +++ b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt @@ -9,7 +9,6 @@ Optional properties: - fsl,irda-mode : Indicate the uart supports irda mode - fsl,dte-mode : Indicate the uart works in DTE mode. The uart works in DCE mode by default. -- fsl,dma-size : Indicate the size of the DMA buffer and its periods Please check Documentation/devicetree/bindings/serial/serial.txt for the complete list of generic properties. @@ -29,5 +28,4 @@ uart1: serial@73fbc000 { interrupts = <31>; uart-has-rtscts; fsl,dte-mode; - fsl,dma-size = <1024 4>; }; diff --git a/MAINTAINERS b/MAINTAINERS index 205d3977ac46..f66488dfdbc9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -205,7 +205,6 @@ F: include/net/9p/ F: include/uapi/linux/virtio_9p.h F: include/trace/events/9p.h - A8293 MEDIA DRIVER M: Antti Palosaari <crope@iki.fi> L: linux-media@vger.kernel.org @@ -492,13 +491,6 @@ S: Maintained F: Documentation/hwmon/adt7475 F: drivers/hwmon/adt7475.c -ADXL34X THREE-AXIS DIGITAL ACCELEROMETER DRIVER (ADXL345/ADXL346) -M: Michael Hennerich <michael.hennerich@analog.com> -W: http://wiki.analog.com/ADXL345 -W: http://ez.analog.com/community/linux-device-drivers -S: Supported -F: drivers/input/misc/adxl34x.c - ADVANSYS SCSI DRIVER M: Matthew Wilcox <matthew@wil.cx> M: Hannes Reinecke <hare@suse.com> @@ -507,6 +499,13 @@ S: Maintained F: Documentation/scsi/advansys.txt F: drivers/scsi/advansys.c +ADXL34X THREE-AXIS DIGITAL ACCELEROMETER DRIVER (ADXL345/ADXL346) +M: Michael Hennerich <michael.hennerich@analog.com> +W: http://wiki.analog.com/ADXL345 +W: http://ez.analog.com/community/linux-device-drivers +S: Supported +F: drivers/input/misc/adxl34x.c + AEDSP16 DRIVER M: Riccardo Facchetti <fizban@tin.it> S: Maintained @@ -808,6 +807,12 @@ W: http://blackfin.uclinux.org/ S: Supported F: sound/soc/blackfin/* +ANALOG DEVICES INC DMA DRIVERS +M: Lars-Peter Clausen <lars@metafoo.de> +W: http://ez.analog.com/community/linux-device-drivers +S: Supported +F: drivers/dma/dma-axi-dmac.c + ANALOG DEVICES INC IIO DRIVERS M: Lars-Peter Clausen <lars@metafoo.de> M: Michael Hennerich <Michael.Hennerich@analog.com> @@ -820,12 +825,6 @@ X: drivers/iio/*/adjd* F: drivers/staging/iio/*/ad* F: drivers/staging/iio/trigger/iio-trig-bfin-timer.c -ANALOG DEVICES INC DMA DRIVERS -M: Lars-Peter Clausen <lars@metafoo.de> -W: http://ez.analog.com/community/linux-device-drivers -S: Supported -F: drivers/dma/dma-axi-dmac.c - ANDROID CONFIG FRAGMENTS M: Rob Herring <robh@kernel.org> S: Supported @@ -872,6 +871,15 @@ F: include/linux/apm_bios.h F: include/uapi/linux/apm_bios.h F: drivers/char/apm-emulation.c +APPARMOR SECURITY MODULE +M: John Johansen <john.johansen@canonical.com> +L: apparmor@lists.ubuntu.com (subscribers-only, general discussion) +W: apparmor.wiki.kernel.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/jj/apparmor-dev.git +S: Supported +F: security/apparmor/ +F: Documentation/admin-guide/LSM/apparmor.rst + APPLE BCM5974 MULTITOUCH DRIVER M: Henrik Rydberg <rydberg@bitmath.org> L: linux-input@vger.kernel.org @@ -895,6 +903,18 @@ M: Duc Dang <dhdang@apm.com> S: Supported F: arch/arm64/boot/dts/apm/ +APPLIED MICRO (APM) X-GENE SOC EDAC +M: Loc Ho <lho@apm.com> +S: Supported +F: drivers/edac/xgene_edac.c +F: Documentation/devicetree/bindings/edac/apm-xgene-edac.txt + +APPLIED MICRO (APM) X-GENE SOC ETHERNET (V2) DRIVER +M: Iyappan Subramanian <isubramanian@apm.com> +M: Keyur Chudgar <kchudgar@apm.com> +S: Supported +F: drivers/net/ethernet/apm/xgene-v2/ + APPLIED MICRO (APM) X-GENE SOC ETHERNET DRIVER M: Iyappan Subramanian <isubramanian@apm.com> M: Keyur Chudgar <kchudgar@apm.com> @@ -905,12 +925,6 @@ F: drivers/net/phy/mdio-xgene.c F: Documentation/devicetree/bindings/net/apm-xgene-enet.txt F: Documentation/devicetree/bindings/net/apm-xgene-mdio.txt -APPLIED MICRO (APM) X-GENE SOC ETHERNET (V2) DRIVER -M: Iyappan Subramanian <isubramanian@apm.com> -M: Keyur Chudgar <kchudgar@apm.com> -S: Supported -F: drivers/net/ethernet/apm/xgene-v2/ - APPLIED MICRO (APM) X-GENE SOC PMU M: Tai Nguyen <ttnguyen@apm.com> S: Supported @@ -930,6 +944,12 @@ S: Maintained F: drivers/video/fbdev/arcfb.c F: drivers/video/fbdev/core/fb_defio.c +ARC PGU DRM DRIVER +M: Alexey Brodkin <abrodkin@synopsys.com> +S: Supported +F: drivers/gpu/drm/arc/ +F: Documentation/devicetree/bindings/display/snps,arcpgu.txt + ARCNET NETWORK LAYER M: Michael Grzeschik <m.grzeschik@pengutronix.de> L: netdev@vger.kernel.org @@ -937,12 +957,6 @@ S: Maintained F: drivers/net/arcnet/ F: include/uapi/linux/if_arcnet.h -ARC PGU DRM DRIVER -M: Alexey Brodkin <abrodkin@synopsys.com> -S: Supported -F: drivers/gpu/drm/arc/ -F: Documentation/devicetree/bindings/display/snps,arcpgu.txt - ARM ARCHITECTED TIMER DRIVER M: Mark Rutland <mark.rutland@arm.com> M: Marc Zyngier <marc.zyngier@arm.com> @@ -995,18 +1009,17 @@ S: Maintained T: git git://git.armlinux.org.uk/~rmk/linux-arm.git F: arch/arm/ -ARM SUB-ARCHITECTURES -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -S: Maintained -F: arch/arm/mach-*/ -F: arch/arm/plat-*/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc.git - ARM PRIMECELL AACI PL041 DRIVER M: Russell King <linux@armlinux.org.uk> S: Maintained F: sound/arm/aaci.* +ARM PRIMECELL BUS SUPPORT +M: Russell King <linux@armlinux.org.uk> +S: Maintained +F: drivers/amba/ +F: include/linux/amba/bus.h + ARM PRIMECELL CLCD PL110 DRIVER M: Russell King <linux@armlinux.org.uk> S: Maintained @@ -1030,11 +1043,22 @@ S: Maintained F: drivers/tty/serial/amba-pl01*.c F: include/linux/amba/serial.h -ARM PRIMECELL BUS SUPPORT -M: Russell King <linux@armlinux.org.uk> +ARM SMMU DRIVERS +M: Will Deacon <will.deacon@arm.com> +R: Robin Murphy <robin.murphy@arm.com> +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained -F: drivers/amba/ -F: include/linux/amba/bus.h +F: drivers/iommu/arm-smmu.c +F: drivers/iommu/arm-smmu-v3.c +F: drivers/iommu/io-pgtable-arm.c +F: drivers/iommu/io-pgtable-arm-v7s.c + +ARM SUB-ARCHITECTURES +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Maintained +F: arch/arm/mach-*/ +F: arch/arm/plat-*/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc.git ARM/ACTIONS SEMI ARCHITECTURE M: Andreas Färber <afaerber@suse.de> @@ -1067,6 +1091,11 @@ M: Lennert Buytenhek <kernel@wantstofly.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained +ARM/Allwinner SoC Clock Support +M: Emilio López <emilio@elopez.com.ar> +S: Maintained +F: drivers/clk/sunxi/ + ARM/Allwinner sunXi SoC support M: Maxime Ripard <maxime.ripard@free-electrons.com> M: Chen-Yu Tsai <wens@csie.org> @@ -1081,10 +1110,15 @@ F: drivers/pinctrl/sunxi/ F: drivers/soc/sunxi/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git -ARM/Allwinner SoC Clock Support -M: Emilio López <emilio@elopez.com.ar> +ARM/Amlogic Meson SoC CLOCK FRAMEWORK +M: Neil Armstrong <narmstrong@baylibre.com> +M: Jerome Brunet <jbrunet@baylibre.com> +L: linux-amlogic@lists.infradead.org S: Maintained -F: drivers/clk/sunxi/ +F: drivers/clk/meson/ +F: include/dt-bindings/clock/meson* +F: include/dt-bindings/clock/gxbb* +F: Documentation/devicetree/bindings/clock/amlogic* ARM/Amlogic Meson SoC support M: Carlo Caione <carlo@caione.org> @@ -1096,20 +1130,10 @@ S: Maintained F: arch/arm/mach-meson/ F: arch/arm/boot/dts/meson* F: arch/arm64/boot/dts/amlogic/ -F: drivers/pinctrl/meson/ +F: drivers/pinctrl/meson/ F: drivers/mmc/host/meson* N: meson -ARM/Amlogic Meson SoC CLOCK FRAMEWORK -M: Neil Armstrong <narmstrong@baylibre.com> -M: Jerome Brunet <jbrunet@baylibre.com> -L: linux-amlogic@lists.infradead.org -S: Maintained -F: drivers/clk/meson/ -F: include/dt-bindings/clock/meson* -F: include/dt-bindings/clock/gxbb* -F: Documentation/devicetree/bindings/clock/amlogic* - ARM/Annapurna Labs ALPINE ARCHITECTURE M: Tsahee Zidenberg <tsahee@annapurnalabs.com> M: Antoine Tenart <antoine.tenart@free-electrons.com> @@ -1132,13 +1156,6 @@ F: drivers/clk/axis F: drivers/pinctrl/pinctrl-artpec* F: Documentation/devicetree/bindings/pinctrl/axis,artpec6-pinctrl.txt -ARM/ASPEED MACHINE SUPPORT -M: Joel Stanley <joel@jms.id.au> -S: Maintained -F: arch/arm/mach-aspeed/ -F: arch/arm/boot/dts/aspeed-* -F: drivers/*/*aspeed* - ARM/ASPEED I2C DRIVER M: Brendan Higgins <brendanhiggins@google.com> R: Benjamin Herrenschmidt <benh@kernel.crashing.org> @@ -1151,6 +1168,18 @@ F: drivers/i2c/busses/i2c-aspeed.c F: Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2400-i2c-ic.txt F: Documentation/devicetree/bindings/i2c/i2c-aspeed.txt +ARM/ASPEED MACHINE SUPPORT +M: Joel Stanley <joel@jms.id.au> +S: Maintained +F: arch/arm/mach-aspeed/ +F: arch/arm/boot/dts/aspeed-* +F: drivers/*/*aspeed* + +ARM/ATMEL AT91 Clock Support +M: Boris Brezillon <boris.brezillon@free-electrons.com> +S: Maintained +F: drivers/clk/at91 + ARM/ATMEL AT91RM9200, AT91SAM9 AND SAMA5 SOC SUPPORT M: Nicolas Ferre <nicolas.ferre@microchip.com> M: Alexandre Belloni <alexandre.belloni@free-electrons.com> @@ -1167,11 +1196,6 @@ F: arch/arm/boot/dts/sama*.dtsi F: arch/arm/include/debug/at91.S F: drivers/memory/atmel* -ARM/ATMEL AT91 Clock Support -M: Boris Brezillon <boris.brezillon@free-electrons.com> -S: Maintained -F: drivers/clk/at91 - ARM/CALXEDA HIGHBANK ARCHITECTURE M: Rob Herring <robh@kernel.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -1198,6 +1222,11 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Odd Fixes N: clps711x +ARM/CIRRUS LOGIC EDB9315A MACHINE SUPPORT +M: Lennert Buytenhek <kernel@wantstofly.org> +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Maintained + ARM/CIRRUS LOGIC EP93XX ARM ARCHITECTURE M: Hartley Sweeten <hsweeten@visionengravers.com> M: Alexander Sverdlin <alexander.sverdlin@gmail.com> @@ -1206,11 +1235,6 @@ S: Maintained F: arch/arm/mach-ep93xx/ F: arch/arm/mach-ep93xx/include/mach/ -ARM/CIRRUS LOGIC EDB9315A MACHINE SUPPORT -M: Lennert Buytenhek <kernel@wantstofly.org> -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -S: Maintained - ARM/CLKDEV SUPPORT M: Russell King <linux@armlinux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -1224,6 +1248,13 @@ M: Mike Rapoport <mike@compulab.co.il> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained +ARM/CONEXANT DIGICOLOR MACHINE SUPPORT +M: Baruch Siach <baruch@tkos.co.il> +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Maintained +F: arch/arm/boot/dts/cx92755* +N: digicolor + ARM/CONTEC MICRO9 MACHINE SUPPORT M: Hubert Feurstein <hubert.feurstein@contec.at> S: Maintained @@ -1269,13 +1300,6 @@ F: drivers/clocksource/timer-prima2.c F: drivers/clocksource/timer-atlas7.c N: [^a-z]sirf -ARM/CONEXANT DIGICOLOR MACHINE SUPPORT -M: Baruch Siach <baruch@tkos.co.il> -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -S: Maintained -F: arch/arm/boot/dts/cx92755* -N: digicolor - ARM/EBSA110 MACHINE SUPPORT M: Russell King <linux@armlinux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -1389,6 +1413,11 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained F: arch/arm/mach-pxa/colibri-pxa270-income.c +ARM/INTEL IOP13XX ARM ARCHITECTURE +M: Lennert Buytenhek <kernel@wantstofly.org> +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Maintained + ARM/INTEL IOP32X ARM ARCHITECTURE M: Lennert Buytenhek <kernel@wantstofly.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -1398,11 +1427,6 @@ ARM/INTEL IOP33X ARM ARCHITECTURE L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Orphan -ARM/INTEL IOP13XX ARM ARCHITECTURE -M: Lennert Buytenhek <kernel@wantstofly.org> -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -S: Maintained - ARM/INTEL IQ81342EX MACHINE SUPPORT M: Lennert Buytenhek <kernel@wantstofly.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -1437,39 +1461,6 @@ M: Lennert Buytenhek <kernel@wantstofly.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained -ARM/TEXAS INSTRUMENT KEYSTONE ARCHITECTURE -M: Santosh Shilimkar <ssantosh@kernel.org> -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -S: Maintained -F: arch/arm/mach-keystone/ -F: arch/arm/boot/dts/keystone-* -T: git git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone.git - -ARM/TEXAS INSTRUMENT KEYSTONE CLOCK FRAMEWORK -M: Santosh Shilimkar <ssantosh@kernel.org> -L: linux-kernel@vger.kernel.org -S: Maintained -F: drivers/clk/keystone/ - -ARM/TEXAS INSTRUMENT KEYSTONE ClOCKSOURCE -M: Santosh Shilimkar <ssantosh@kernel.org> -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -L: linux-kernel@vger.kernel.org -S: Maintained -F: drivers/clocksource/timer-keystone.c - -ARM/TEXAS INSTRUMENT KEYSTONE RESET DRIVER -M: Santosh Shilimkar <ssantosh@kernel.org> -L: linux-kernel@vger.kernel.org -S: Maintained -F: drivers/power/reset/keystone-reset.c - -ARM/TEXAS INSTRUMENT AEMIF/EMIF DRIVERS -M: Santosh Shilimkar <ssantosh@kernel.org> -L: linux-kernel@vger.kernel.org -S: Maintained -F: drivers/memory/*emif* - ARM/LG1K ARCHITECTURE M: Chanho Min <chanho.min@lge.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -1512,24 +1503,6 @@ ARM/MAGICIAN MACHINE SUPPORT M: Philipp Zabel <philipp.zabel@gmail.com> S: Maintained -ARM/Marvell Kirkwood and Armada 370, 375, 38x, 39x, XP, 3700, 7K/8K SOC support -M: Jason Cooper <jason@lakedaemon.net> -M: Andrew Lunn <andrew@lunn.ch> -M: Gregory Clement <gregory.clement@free-electrons.com> -M: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -S: Maintained -F: arch/arm/boot/dts/armada* -F: arch/arm/boot/dts/kirkwood* -F: arch/arm/configs/mvebu_*_defconfig -F: arch/arm/mach-mvebu/ -F: arch/arm64/boot/dts/marvell/armada* -F: drivers/cpufreq/mvebu-cpufreq.c -F: drivers/irqchip/irq-armada-370-xp.c -F: drivers/irqchip/irq-mvebu-* -F: drivers/pinctrl/mvebu/ -F: drivers/rtc/rtc-armada38x.c - ARM/Marvell Berlin SoC support M: Jisheng Zhang <jszhang@marvell.com> M: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> @@ -1539,7 +1512,6 @@ F: arch/arm/mach-berlin/ F: arch/arm/boot/dts/berlin* F: arch/arm64/boot/dts/marvell/berlin* - ARM/Marvell Dove/MV78xx0/Orion SOC support M: Jason Cooper <jason@lakedaemon.net> M: Andrew Lunn <andrew@lunn.ch> @@ -1555,24 +1527,23 @@ F: arch/arm/plat-orion/ F: arch/arm/boot/dts/dove* F: arch/arm/boot/dts/orion5x* - -ARM/Orion SoC/Technologic Systems TS-78xx platform support -M: Alexander Clouter <alex@digriz.org.uk> -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.digriz.org.uk/ts78xx/kernel -S: Maintained -F: arch/arm/mach-orion5x/ts78xx-* - -ARM/OXNAS platform support -M: Neil Armstrong <narmstrong@baylibre.com> +ARM/Marvell Kirkwood and Armada 370, 375, 38x, 39x, XP, 3700, 7K/8K SOC support +M: Jason Cooper <jason@lakedaemon.net> +M: Andrew Lunn <andrew@lunn.ch> +M: Gregory Clement <gregory.clement@free-electrons.com> +M: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -L: linux-oxnas@lists.tuxfamily.org (moderated for non-subscribers) S: Maintained -F: arch/arm/mach-oxnas/ -F: arch/arm/boot/dts/ox8*.dtsi -F: arch/arm/boot/dts/wd-mbwe.dts -F: arch/arm/boot/dts/cloudengines-pogoplug-series-3.dts -N: oxnas +F: arch/arm/boot/dts/armada* +F: arch/arm/boot/dts/kirkwood* +F: arch/arm/configs/mvebu_*_defconfig +F: arch/arm/mach-mvebu/ +F: arch/arm64/boot/dts/marvell/armada* +F: drivers/cpufreq/mvebu-cpufreq.c +F: drivers/irqchip/irq-armada-370-xp.c +F: drivers/irqchip/irq-mvebu-* +F: drivers/pinctrl/mvebu/ +F: drivers/rtc/rtc-armada38x.c ARM/Mediatek RTC DRIVER M: Eddie Huang <eddie.huang@mediatek.com> @@ -1627,16 +1598,53 @@ F: drivers/pinctrl/nomadik/ F: drivers/i2c/busses/i2c-nomadik.c T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik.git +ARM/NUVOTON W90X900 ARM ARCHITECTURE +M: Wan ZongShun <mcuos.com@gmail.com> +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +W: http://www.mcuos.com +S: Maintained +F: arch/arm/mach-w90x900/ +F: drivers/input/keyboard/w90p910_keypad.c +F: drivers/input/touchscreen/w90p910_ts.c +F: drivers/watchdog/nuc900_wdt.c +F: drivers/net/ethernet/nuvoton/w90p910_ether.c +F: drivers/mtd/nand/nuc900_nand.c +F: drivers/rtc/rtc-nuc900.c +F: drivers/spi/spi-nuc900.c +F: drivers/usb/host/ehci-w90x900.c +F: drivers/video/fbdev/nuc900fb.c + ARM/OPENMOKO NEO FREERUNNER (GTA02) MACHINE SUPPORT M: Nelson Castillo <arhuaco@freaks-unidos.net> L: openmoko-kernel@lists.openmoko.org (subscribers-only) W: http://wiki.openmoko.org/wiki/Neo_FreeRunner S: Supported -ARM/TOSA MACHINE SUPPORT -M: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> -M: Dirk Opfer <dirk@opfer-online.de> +ARM/Orion SoC/Technologic Systems TS-78xx platform support +M: Alexander Clouter <alex@digriz.org.uk> +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +W: http://www.digriz.org.uk/ts78xx/kernel +S: Maintained +F: arch/arm/mach-orion5x/ts78xx-* + +ARM/OXNAS platform support +M: Neil Armstrong <narmstrong@baylibre.com> +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +L: linux-oxnas@lists.tuxfamily.org (moderated for non-subscribers) S: Maintained +F: arch/arm/mach-oxnas/ +F: arch/arm/boot/dts/ox8*.dtsi +F: arch/arm/boot/dts/wd-mbwe.dts +F: arch/arm/boot/dts/cloudengines-pogoplug-series-3.dts +N: oxnas + +ARM/PALM TREO SUPPORT +M: Tomas Cech <sleep_walker@suse.com> +L: linux-arm-kernel@lists.infradead.org +W: http://hackndev.com +S: Maintained +F: arch/arm/mach-pxa/include/mach/palmtreo.h +F: arch/arm/mach-pxa/palmtreo.c ARM/PALMTX,PALMT5,PALMLD,PALMTE2,PALMTC SUPPORT M: Marek Vasut <marek.vasut@gmail.com> @@ -1654,14 +1662,6 @@ F: arch/arm/mach-pxa/palmte2.c F: arch/arm/mach-pxa/include/mach/palmtc.h F: arch/arm/mach-pxa/palmtc.c -ARM/PALM TREO SUPPORT -M: Tomas Cech <sleep_walker@suse.com> -L: linux-arm-kernel@lists.infradead.org -W: http://hackndev.com -S: Maintained -F: arch/arm/mach-pxa/include/mach/palmtreo.h -F: arch/arm/mach-pxa/palmtreo.c - ARM/PALMZ72 SUPPORT M: Sergey Lapin <slapin@ossfans.org> L: linux-arm-kernel@lists.infradead.org @@ -1802,17 +1802,6 @@ L: linux-media@vger.kernel.org S: Maintained F: drivers/media/platform/s5p-g2d/ -ARM/SAMSUNG S5P SERIES Multi Format Codec (MFC) SUPPORT -M: Kyungmin Park <kyungmin.park@samsung.com> -M: Kamil Debski <kamil@wypas.org> -M: Jeongtae Park <jtp.park@samsung.com> -M: Andrzej Hajda <a.hajda@samsung.com> -L: linux-arm-kernel@lists.infradead.org -L: linux-media@vger.kernel.org -S: Maintained -F: arch/arm/plat-samsung/s5p-dev-mfc.c -F: drivers/media/platform/s5p-mfc/ - ARM/SAMSUNG S5P SERIES HDMI CEC SUBSYSTEM SUPPORT M: Marek Szyprowski <m.szyprowski@samsung.com> L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers) @@ -1829,6 +1818,17 @@ L: linux-media@vger.kernel.org S: Maintained F: drivers/media/platform/s5p-jpeg/ +ARM/SAMSUNG S5P SERIES Multi Format Codec (MFC) SUPPORT +M: Kyungmin Park <kyungmin.park@samsung.com> +M: Kamil Debski <kamil@wypas.org> +M: Jeongtae Park <jtp.park@samsung.com> +M: Andrzej Hajda <a.hajda@samsung.com> +L: linux-arm-kernel@lists.infradead.org +L: linux-media@vger.kernel.org +S: Maintained +F: arch/arm/plat-samsung/s5p-dev-mfc.c +F: drivers/media/platform/s5p-mfc/ + ARM/SHMOBILE ARM ARCHITECTURE M: Simon Horman <horms@verge.net.au> M: Magnus Damm <magnus.damm@gmail.com> @@ -1922,26 +1922,48 @@ M: "Mark F. Brown" <mark.brown314@gmail.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained +ARM/TEXAS INSTRUMENT AEMIF/EMIF DRIVERS +M: Santosh Shilimkar <ssantosh@kernel.org> +L: linux-kernel@vger.kernel.org +S: Maintained +F: drivers/memory/*emif* + +ARM/TEXAS INSTRUMENT KEYSTONE ARCHITECTURE +M: Santosh Shilimkar <ssantosh@kernel.org> +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Maintained +F: arch/arm/mach-keystone/ +F: arch/arm/boot/dts/keystone-* +T: git git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone.git + +ARM/TEXAS INSTRUMENT KEYSTONE CLOCK FRAMEWORK +M: Santosh Shilimkar <ssantosh@kernel.org> +L: linux-kernel@vger.kernel.org +S: Maintained +F: drivers/clk/keystone/ + +ARM/TEXAS INSTRUMENT KEYSTONE ClOCKSOURCE +M: Santosh Shilimkar <ssantosh@kernel.org> +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +L: linux-kernel@vger.kernel.org +S: Maintained +F: drivers/clocksource/timer-keystone.c + +ARM/TEXAS INSTRUMENT KEYSTONE RESET DRIVER +M: Santosh Shilimkar <ssantosh@kernel.org> +L: linux-kernel@vger.kernel.org +S: Maintained +F: drivers/power/reset/keystone-reset.c + ARM/THECUS N2100 MACHINE SUPPORT M: Lennert Buytenhek <kernel@wantstofly.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained -ARM/NUVOTON W90X900 ARM ARCHITECTURE -M: Wan ZongShun <mcuos.com@gmail.com> -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.mcuos.com +ARM/TOSA MACHINE SUPPORT +M: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> +M: Dirk Opfer <dirk@opfer-online.de> S: Maintained -F: arch/arm/mach-w90x900/ -F: drivers/input/keyboard/w90p910_keypad.c -F: drivers/input/touchscreen/w90p910_ts.c -F: drivers/watchdog/nuc900_wdt.c -F: drivers/net/ethernet/nuvoton/w90p910_ether.c -F: drivers/mtd/nand/nuc900_nand.c -F: drivers/rtc/rtc-nuc900.c -F: drivers/spi/spi-nuc900.c -F: drivers/usb/host/ehci-w90x900.c -F: drivers/video/fbdev/nuc900fb.c ARM/U300 MACHINE SUPPORT M: Linus Walleij <linus.walleij@linaro.org> @@ -2086,16 +2108,6 @@ F: drivers/i2c/busses/i2c-cadence.c F: drivers/mmc/host/sdhci-of-arasan.c F: drivers/edac/synopsys_edac.c -ARM SMMU DRIVERS -M: Will Deacon <will.deacon@arm.com> -R: Robin Murphy <robin.murphy@arm.com> -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -S: Maintained -F: drivers/iommu/arm-smmu.c -F: drivers/iommu/arm-smmu-v3.c -F: drivers/iommu/io-pgtable-arm.c -F: drivers/iommu/io-pgtable-arm-v7s.c - ARM64 PORT (AARCH64 ARCHITECTURE) M: Catalin Marinas <catalin.marinas@arm.com> M: Will Deacon <will.deacon@arm.com> @@ -2207,21 +2219,10 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git S: Supported F: drivers/net/wireless/ath/ath6kl/ -WILOCITY WIL6210 WIRELESS DRIVER -M: Maya Erez <qca_merez@qca.qualcomm.com> -L: linux-wireless@vger.kernel.org -L: wil6210@qca.qualcomm.com -S: Supported -W: http://wireless.kernel.org/en/users/Drivers/wil6210 -F: drivers/net/wireless/ath/wil6210/ -F: include/uapi/linux/wil6210_uapi.h - -CARL9170 LINUX COMMUNITY WIRELESS DRIVER -M: Christian Lamparter <chunkeey@googlemail.com> -L: linux-wireless@vger.kernel.org -W: http://wireless.kernel.org/en/users/Drivers/carl9170 +ATI_REMOTE2 DRIVER +M: Ville Syrjala <syrjala@sci.fi> S: Maintained -F: drivers/net/wireless/ath/carl9170/ +F: drivers/input/misc/ati_remote2.c ATK0110 HWMON DRIVER M: Luca Tettamanti <kronos.it@gmail.com> @@ -2229,11 +2230,6 @@ L: linux-hwmon@vger.kernel.org S: Maintained F: drivers/hwmon/asus_atk0110.c -ATI_REMOTE2 DRIVER -M: Ville Syrjala <syrjala@sci.fi> -S: Maintained -F: drivers/input/misc/ati_remote2.c - ATLX ETHERNET DRIVERS M: Jay Cliburn <jcliburn@gmail.com> M: Chris Snook <chris.snook@gmail.com> @@ -2263,25 +2259,12 @@ M: Nicolas Ferre <nicolas.ferre@microchip.com> S: Supported F: drivers/power/reset/at91-sama5d2_shdwc.c -ATMEL SAMA5D2 ADC DRIVER -M: Ludovic Desroches <ludovic.desroches@microchip.com> -L: linux-iio@vger.kernel.org -S: Supported -F: drivers/iio/adc/at91-sama5d2_adc.c - ATMEL Audio ALSA driver M: Nicolas Ferre <nicolas.ferre@microchip.com> L: alsa-devel@alsa-project.org (moderated for non-subscribers) S: Supported F: sound/soc/atmel -ATMEL XDMA DRIVER -M: Ludovic Desroches <ludovic.desroches@microchip.com> -L: linux-arm-kernel@lists.infradead.org -L: dmaengine@vger.kernel.org -S: Supported -F: drivers/dma/at_xdmac.c - ATMEL I2C DRIVER M: Ludovic Desroches <ludovic.desroches@microchip.com> L: linux-i2c@vger.kernel.org @@ -2307,6 +2290,14 @@ M: Nicolas Ferre <nicolas.ferre@microchip.com> S: Supported F: drivers/net/ethernet/cadence/ +ATMEL MAXTOUCH DRIVER +M: Nick Dyer <nick@shmanahar.org> +T: git git://github.com/ndyer/linux.git +S: Maintained +F: Documentation/devicetree/bindings/input/atmel,maxtouch.txt +F: drivers/input/touchscreen/atmel_mxt_ts.c +F: include/linux/platform_data/atmel_mxt_ts.h + ATMEL NAND DRIVER M: Wenyou Yang <wenyou.yang@atmel.com> M: Josh Wu <rainyfeeling@outlook.com> @@ -2314,6 +2305,12 @@ L: linux-mtd@lists.infradead.org S: Supported F: drivers/mtd/nand/atmel/* +ATMEL SAMA5D2 ADC DRIVER +M: Ludovic Desroches <ludovic.desroches@microchip.com> +L: linux-iio@vger.kernel.org +S: Supported +F: drivers/iio/adc/at91-sama5d2_adc.c + ATMEL SDMMC DRIVER M: Ludovic Desroches <ludovic.desroches@microchip.com> L: linux-mmc@vger.kernel.org @@ -2353,13 +2350,12 @@ W: http://atmelwlandriver.sourceforge.net/ S: Maintained F: drivers/net/wireless/atmel/atmel* -ATMEL MAXTOUCH DRIVER -M: Nick Dyer <nick@shmanahar.org> -T: git git://github.com/ndyer/linux.git -S: Maintained -F: Documentation/devicetree/bindings/input/atmel,maxtouch.txt -F: drivers/input/touchscreen/atmel_mxt_ts.c -F: include/linux/platform_data/atmel_mxt_ts.h +ATMEL XDMA DRIVER +M: Ludovic Desroches <ludovic.desroches@microchip.com> +L: linux-arm-kernel@lists.infradead.org +L: dmaengine@vger.kernel.org +S: Supported +F: drivers/dma/at_xdmac.c ATOMIC INFRASTRUCTURE M: Will Deacon <will.deacon@arm.com> @@ -2413,13 +2409,6 @@ F: include/uapi/linux/ax25.h F: include/net/ax25.h F: net/ax25/ -AXENTIA ASOC DRIVERS -M: Peter Rosin <peda@axentia.se> -L: alsa-devel@alsa-project.org (moderated for non-subscribers) -S: Maintained -F: Documentation/devicetree/bindings/sound/axentia,* -F: sound/soc/atmel/tse850-pcm5142.c - AXENTIA ARM DEVICES M: Peter Rosin <peda@axentia.se> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -2428,6 +2417,13 @@ F: Documentation/devicetree/bindings/arm/axentia.txt F: arch/arm/boot/dts/at91-linea.dtsi F: arch/arm/boot/dts/at91-tse850-3.dts +AXENTIA ASOC DRIVERS +M: Peter Rosin <peda@axentia.se> +L: alsa-devel@alsa-project.org (moderated for non-subscribers) +S: Maintained +F: Documentation/devicetree/bindings/sound/axentia,* +F: sound/soc/atmel/tse850-pcm5142.c + AZ6007 DVB DRIVER M: Mauro Carvalho Chehab <mchehab@s-opensource.com> M: Mauro Carvalho Chehab <mchehab@kernel.org> @@ -2507,13 +2503,11 @@ W: https://linuxtv.org S: Supported F: drivers/media/platform/sti/bdisp -DELTA ST MEDIA DRIVER -M: Hugues Fruchet <hugues.fruchet@st.com> -L: linux-media@vger.kernel.org -T: git git://linuxtv.org/media_tree.git -W: https://linuxtv.org -S: Supported -F: drivers/media/platform/sti/delta +BECKHOFF CX5020 ETHERCAT MASTER DRIVER +M: Dariusz Marcinkiewicz <reksio@newterm.pl> +L: netdev@vger.kernel.org +S: Maintained +F: drivers/net/ethernet/ec_bhf.c BEFS FILE SYSTEM M: Luis de Bethencourt <luisbg@kernel.org> @@ -2523,11 +2517,13 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/luisbg/linux-befs.git F: Documentation/filesystems/befs.txt F: fs/befs/ -BECKHOFF CX5020 ETHERCAT MASTER DRIVER -M: Dariusz Marcinkiewicz <reksio@newterm.pl> -L: netdev@vger.kernel.org +BFQ I/O SCHEDULER +M: Paolo Valente <paolo.valente@linaro.org> +M: Jens Axboe <axboe@kernel.dk> +L: linux-block@vger.kernel.org S: Maintained -F: drivers/net/ethernet/ec_bhf.c +F: block/bfq-* +F: Documentation/block/bfq-iosched.txt BFS FILE SYSTEM M: "Tigran A. Aivazian" <aivazian.tigran@gmail.com> @@ -2550,6 +2546,22 @@ W: http://blackfin.uclinux.org S: Supported F: drivers/net/ethernet/adi/ +BLACKFIN I2C TWI DRIVER +M: Sonic Zhang <sonic.zhang@analog.com> +L: adi-buildroot-devel@lists.sourceforge.net (moderated for non-subscribers) +W: http://blackfin.uclinux.org/ +S: Supported +F: drivers/i2c/busses/i2c-bfin-twi.c + +BLACKFIN MEDIA DRIVER +M: Scott Jiang <scott.jiang.linux@gmail.com> +L: adi-buildroot-devel@lists.sourceforge.net (moderated for non-subscribers) +W: http://blackfin.uclinux.org/ +S: Supported +F: drivers/media/platform/blackfin/ +F: drivers/media/i2c/adv7183* +F: drivers/media/i2c/vs6624* + BLACKFIN RTC DRIVER L: adi-buildroot-devel@lists.sourceforge.net (moderated for non-subscribers) W: http://blackfin.uclinux.org @@ -2576,22 +2588,6 @@ W: http://blackfin.uclinux.org S: Supported F: drivers/watchdog/bfin_wdt.c -BLACKFIN I2C TWI DRIVER -M: Sonic Zhang <sonic.zhang@analog.com> -L: adi-buildroot-devel@lists.sourceforge.net (moderated for non-subscribers) -W: http://blackfin.uclinux.org/ -S: Supported -F: drivers/i2c/busses/i2c-bfin-twi.c - -BLACKFIN MEDIA DRIVER -M: Scott Jiang <scott.jiang.linux@gmail.com> -L: adi-buildroot-devel@lists.sourceforge.net (moderated for non-subscribers) -W: http://blackfin.uclinux.org/ -S: Supported -F: drivers/media/platform/blackfin/ -F: drivers/media/i2c/adv7183* -F: drivers/media/i2c/vs6624* - BLINKM RGB LED DRIVER M: Jan-Simon Moeller <jansimon.moeller@gmx.de> S: Maintained @@ -2606,14 +2602,6 @@ F: block/ F: kernel/trace/blktrace.c F: lib/sbitmap.c -BFQ I/O SCHEDULER -M: Paolo Valente <paolo.valente@linaro.org> -M: Jens Axboe <axboe@kernel.dk> -L: linux-block@vger.kernel.org -S: Maintained -F: block/bfq-* -F: Documentation/block/bfq-iosched.txt - BLOCK2MTD DRIVER M: Joern Engel <joern@lazybastard.org> L: linux-mtd@lists.infradead.org @@ -2643,21 +2631,6 @@ S: Maintained F: net/bluetooth/ F: include/net/bluetooth/ -DMA MAPPING HELPERS -M: Christoph Hellwig <hch@lst.de> -M: Marek Szyprowski <m.szyprowski@samsung.com> -R: Robin Murphy <robin.murphy@arm.com> -L: linux-kernel@vger.kernel.org -T: git git://git.infradead.org/users/hch/dma-mapping.git -W: http://git.infradead.org/users/hch/dma-mapping.git -S: Supported -F: lib/dma-debug.c -F: lib/dma-noop.c -F: lib/dma-virt.c -F: drivers/base/dma-mapping.c -F: drivers/base/dma-coherent.c -F: include/linux/dma-mapping.h - BONDING DRIVER M: Jay Vosburgh <j.vosburgh@gmail.com> M: Veaceslav Falico <vfalico@gmail.com> @@ -2705,35 +2678,6 @@ S: Supported F: drivers/net/dsa/b53/* F: include/linux/platform_data/b53.h -BROADCOM GENET ETHERNET DRIVER -M: Florian Fainelli <f.fainelli@gmail.com> -L: netdev@vger.kernel.org -S: Supported -F: drivers/net/ethernet/broadcom/genet/ - -BROADCOM BNX2 GIGABIT ETHERNET DRIVER -M: Rasesh Mody <rasesh.mody@cavium.com> -M: Harish Patil <harish.patil@cavium.com> -M: Dept-GELinuxNICDev@cavium.com -L: netdev@vger.kernel.org -S: Supported -F: drivers/net/ethernet/broadcom/bnx2.* -F: drivers/net/ethernet/broadcom/bnx2_* - -BROADCOM BNX2X 10 GIGABIT ETHERNET DRIVER -M: Yuval Mintz <Yuval.Mintz@cavium.com> -M: Ariel Elior <ariel.elior@cavium.com> -M: everest-linux-l2@cavium.com -L: netdev@vger.kernel.org -S: Supported -F: drivers/net/ethernet/broadcom/bnx2x/ - -BROADCOM BNXT_EN 50 GIGABIT ETHERNET DRIVER -M: Michael Chan <michael.chan@broadcom.com> -L: netdev@vger.kernel.org -S: Supported -F: drivers/net/ethernet/broadcom/bnxt/ - BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITECTURE M: Florian Fainelli <f.fainelli@gmail.com> M: Ray Jui <rjui@broadcom.com> @@ -2812,6 +2756,13 @@ F: arch/arm/boot/dts/bcm7*.dts* F: drivers/bus/brcmstb_gisb.c N: brcmstb +BROADCOM BMIPS CPUFREQ DRIVER +M: Markus Mayer <mmayer@broadcom.com> +M: bcm-kernel-feedback-list@broadcom.com +L: linux-pm@vger.kernel.org +S: Maintained +F: drivers/cpufreq/bmips-cpufreq.c + BROADCOM BMIPS MIPS ARCHITECTURE M: Kevin Cernekee <cernekee@gmail.com> M: Florian Fainelli <f.fainelli@gmail.com> @@ -2828,20 +2779,40 @@ F: drivers/irqchip/irq-brcmstb* F: include/linux/bcm963xx_nvram.h F: include/linux/bcm963xx_tag.h -BROADCOM BMIPS CPUFREQ DRIVER -M: Markus Mayer <mmayer@broadcom.com> -M: bcm-kernel-feedback-list@broadcom.com -L: linux-pm@vger.kernel.org -S: Maintained -F: drivers/cpufreq/bmips-cpufreq.c +BROADCOM BNX2 GIGABIT ETHERNET DRIVER +M: Rasesh Mody <rasesh.mody@cavium.com> +M: Harish Patil <harish.patil@cavium.com> +M: Dept-GELinuxNICDev@cavium.com +L: netdev@vger.kernel.org +S: Supported +F: drivers/net/ethernet/broadcom/bnx2.* +F: drivers/net/ethernet/broadcom/bnx2_* -BROADCOM TG3 GIGABIT ETHERNET DRIVER -M: Siva Reddy Kallam <siva.kallam@broadcom.com> -M: Prashant Sreedharan <prashant@broadcom.com> -M: Michael Chan <mchan@broadcom.com> +BROADCOM BNX2FC 10 GIGABIT FCOE DRIVER +M: QLogic-Storage-Upstream@qlogic.com +L: linux-scsi@vger.kernel.org +S: Supported +F: drivers/scsi/bnx2fc/ + +BROADCOM BNX2I 1/10 GIGABIT iSCSI DRIVER +M: QLogic-Storage-Upstream@qlogic.com +L: linux-scsi@vger.kernel.org +S: Supported +F: drivers/scsi/bnx2i/ + +BROADCOM BNX2X 10 GIGABIT ETHERNET DRIVER +M: Yuval Mintz <Yuval.Mintz@cavium.com> +M: Ariel Elior <ariel.elior@cavium.com> +M: everest-linux-l2@cavium.com L: netdev@vger.kernel.org S: Supported -F: drivers/net/ethernet/broadcom/tg3.* +F: drivers/net/ethernet/broadcom/bnx2x/ + +BROADCOM BNXT_EN 50 GIGABIT ETHERNET DRIVER +M: Michael Chan <michael.chan@broadcom.com> +L: netdev@vger.kernel.org +S: Supported +F: drivers/net/ethernet/broadcom/bnxt/ BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER M: Arend van Spriel <arend.vanspriel@broadcom.com> @@ -2855,17 +2826,18 @@ L: brcm80211-dev-list@cypress.com S: Supported F: drivers/net/wireless/broadcom/brcm80211/ -BROADCOM BNX2FC 10 GIGABIT FCOE DRIVER -M: QLogic-Storage-Upstream@qlogic.com -L: linux-scsi@vger.kernel.org +BROADCOM BRCMSTB GPIO DRIVER +M: Gregory Fong <gregory.0xf0@gmail.com> +L: bcm-kernel-feedback-list@broadcom.com S: Supported -F: drivers/scsi/bnx2fc/ +F: drivers/gpio/gpio-brcmstb.c +F: Documentation/devicetree/bindings/gpio/brcm,brcmstb-gpio.txt -BROADCOM BNX2I 1/10 GIGABIT iSCSI DRIVER -M: QLogic-Storage-Upstream@qlogic.com -L: linux-scsi@vger.kernel.org +BROADCOM GENET ETHERNET DRIVER +M: Florian Fainelli <f.fainelli@gmail.com> +L: netdev@vger.kernel.org S: Supported -F: drivers/scsi/bnx2i/ +F: drivers/net/ethernet/broadcom/genet/ BROADCOM IPROC ARM ARCHITECTURE M: Ray Jui <rjui@broadcom.com> @@ -2892,13 +2864,6 @@ F: arch/arm64/boot/dts/broadcom/ns2* F: drivers/clk/bcm/clk-ns* F: drivers/pinctrl/bcm/pinctrl-ns* -BROADCOM BRCMSTB GPIO DRIVER -M: Gregory Fong <gregory.0xf0@gmail.com> -L: bcm-kernel-feedback-list@broadcom.com -S: Supported -F: drivers/gpio/gpio-brcmstb.c -F: Documentation/devicetree/bindings/gpio/brcm,brcmstb-gpio.txt - BROADCOM KONA GPIO DRIVER M: Ray Jui <rjui@broadcom.com> L: bcm-kernel-feedback-list@broadcom.com @@ -2906,19 +2871,29 @@ S: Supported F: drivers/gpio/gpio-bcm-kona.c F: Documentation/devicetree/bindings/gpio/brcm,kona-gpio.txt +BROADCOM NETXTREME-E ROCE DRIVER +M: Selvin Xavier <selvin.xavier@broadcom.com> +M: Devesh Sharma <devesh.sharma@broadcom.com> +M: Somnath Kotur <somnath.kotur@broadcom.com> +M: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com> +L: linux-rdma@vger.kernel.org +W: http://www.broadcom.com +S: Supported +F: drivers/infiniband/hw/bnxt_re/ +F: include/uapi/rdma/bnxt_re-abi.h + BROADCOM NVRAM DRIVER M: RafaÅ‚ MiÅ‚ecki <zajec5@gmail.com> L: linux-mips@linux-mips.org S: Maintained F: drivers/firmware/broadcom/* -BROADCOM STB NAND FLASH DRIVER -M: Brian Norris <computersforpeace@gmail.com> -M: Kamal Dasu <kdasu.kdev@gmail.com> -L: linux-mtd@lists.infradead.org -L: bcm-kernel-feedback-list@broadcom.com +BROADCOM SPECIFIC AMBA DRIVER (BCMA) +M: RafaÅ‚ MiÅ‚ecki <zajec5@gmail.com> +L: linux-wireless@vger.kernel.org S: Maintained -F: drivers/mtd/nand/brcmnand/ +F: drivers/bcma/ +F: include/linux/bcma/ BROADCOM STB AVS CPUFREQ DRIVER M: Markus Mayer <mmayer@broadcom.com> @@ -2928,12 +2903,13 @@ S: Maintained F: Documentation/devicetree/bindings/cpufreq/brcm,stb-avs-cpu-freq.txt F: drivers/cpufreq/brcmstb* -BROADCOM SPECIFIC AMBA DRIVER (BCMA) -M: RafaÅ‚ MiÅ‚ecki <zajec5@gmail.com> -L: linux-wireless@vger.kernel.org +BROADCOM STB NAND FLASH DRIVER +M: Brian Norris <computersforpeace@gmail.com> +M: Kamal Dasu <kdasu.kdev@gmail.com> +L: linux-mtd@lists.infradead.org +L: bcm-kernel-feedback-list@broadcom.com S: Maintained -F: drivers/bcma/ -F: include/linux/bcma/ +F: drivers/mtd/nand/brcmnand/ BROADCOM SYSTEMPORT ETHERNET DRIVER M: Florian Fainelli <f.fainelli@gmail.com> @@ -2941,16 +2917,13 @@ L: netdev@vger.kernel.org S: Supported F: drivers/net/ethernet/broadcom/bcmsysport.* -BROADCOM NETXTREME-E ROCE DRIVER -M: Selvin Xavier <selvin.xavier@broadcom.com> -M: Devesh Sharma <devesh.sharma@broadcom.com> -M: Somnath Kotur <somnath.kotur@broadcom.com> -M: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com> -L: linux-rdma@vger.kernel.org -W: http://www.broadcom.com +BROADCOM TG3 GIGABIT ETHERNET DRIVER +M: Siva Reddy Kallam <siva.kallam@broadcom.com> +M: Prashant Sreedharan <prashant@broadcom.com> +M: Michael Chan <mchan@broadcom.com> +L: netdev@vger.kernel.org S: Supported -F: drivers/infiniband/hw/bnxt_re/ -F: include/uapi/rdma/bnxt_re-abi.h +F: drivers/net/ethernet/broadcom/tg3.* BROCADE BFA FC SCSI DRIVER M: Anil Gurumurthy <anil.gurumurthy@qlogic.com> @@ -3013,6 +2986,15 @@ S: Odd fixes F: Documentation/media/v4l-drivers/bttv* F: drivers/media/pci/bt8xx/bttv* +BUS FREQUENCY DRIVER FOR SAMSUNG EXYNOS +M: Chanwoo Choi <cw00.choi@samsung.com> +L: linux-pm@vger.kernel.org +L: linux-samsung-soc@vger.kernel.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/mzx/devfreq.git +S: Maintained +F: drivers/devfreq/exynos-bus.c +F: Documentation/devicetree/bindings/devfreq/exynos-bus.txt + BUSLOGIC SCSI DRIVER M: Khalid Aziz <khalid@gonehiking.org> L: linux-scsi@vger.kernel.org @@ -3087,6 +3069,21 @@ F: arch/x86/kernel/tce_64.c F: arch/x86/include/asm/calgary.h F: arch/x86/include/asm/tce.h +CAN NETWORK DRIVERS +M: Wolfgang Grandegger <wg@grandegger.com> +M: Marc Kleine-Budde <mkl@pengutronix.de> +L: linux-can@vger.kernel.org +W: https://github.com/linux-can +T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git +S: Maintained +F: Documentation/devicetree/bindings/net/can/ +F: drivers/net/can/ +F: include/linux/can/dev.h +F: include/linux/can/platform/ +F: include/uapi/linux/can/error.h +F: include/uapi/linux/can/netlink.h + CAN NETWORK LAYER M: Oliver Hartkopp <socketcan@hartkopp.net> M: Marc Kleine-Budde <mkl@pengutronix.de> @@ -3103,21 +3100,6 @@ F: include/uapi/linux/can/bcm.h F: include/uapi/linux/can/raw.h F: include/uapi/linux/can/gw.h -CAN NETWORK DRIVERS -M: Wolfgang Grandegger <wg@grandegger.com> -M: Marc Kleine-Budde <mkl@pengutronix.de> -L: linux-can@vger.kernel.org -W: https://github.com/linux-can -T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can.git -T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git -S: Maintained -F: Documentation/devicetree/bindings/net/can/ -F: drivers/net/can/ -F: include/linux/can/dev.h -F: include/linux/can/platform/ -F: include/uapi/linux/can/error.h -F: include/uapi/linux/can/netlink.h - CAPABILITIES M: Serge Hallyn <serge@hallyn.com> L: linux-security-module@vger.kernel.org @@ -3132,12 +3114,12 @@ M: Kevin Tsai <ktsai@capellamicro.com> S: Maintained F: drivers/iio/light/cm* -CAVIUM THUNDERX2 ARM64 SOC -M: Jayachandran C <jnair@caviumnetworks.com> -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +CARL9170 LINUX COMMUNITY WIRELESS DRIVER +M: Christian Lamparter <chunkeey@googlemail.com> +L: linux-wireless@vger.kernel.org +W: http://wireless.kernel.org/en/users/Drivers/carl9170 S: Maintained -F: arch/arm64/boot/dts/cavium/thunder2-99xx* -F: Documentation/devicetree/bindings/arm/cavium-thunder2.txt +F: drivers/net/wireless/ath/carl9170/ CAVIUM I2C DRIVER M: Jan Glauber <jglauber@cavium.com> @@ -3147,6 +3129,16 @@ S: Supported F: drivers/i2c/busses/i2c-octeon* F: drivers/i2c/busses/i2c-thunderx* +CAVIUM LIQUIDIO NETWORK DRIVER +M: Derek Chickles <derek.chickles@caviumnetworks.com> +M: Satanand Burla <satananda.burla@caviumnetworks.com> +M: Felix Manlunas <felix.manlunas@caviumnetworks.com> +M: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> +L: netdev@vger.kernel.org +W: http://www.cavium.com +S: Supported +F: drivers/net/ethernet/cavium/liquidio/ + CAVIUM MMC DRIVER M: Jan Glauber <jglauber@cavium.com> M: David Daney <david.daney@cavium.com> @@ -3155,16 +3147,6 @@ W: http://www.cavium.com S: Supported F: drivers/mmc/host/cavium* -CAVIUM LIQUIDIO NETWORK DRIVER -M: Derek Chickles <derek.chickles@caviumnetworks.com> -M: Satanand Burla <satananda.burla@caviumnetworks.com> -M: Felix Manlunas <felix.manlunas@caviumnetworks.com> -M: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> -L: netdev@vger.kernel.org -W: http://www.cavium.com -S: Supported -F: drivers/net/ethernet/cavium/liquidio/ - CAVIUM OCTEON-TX CRYPTO DRIVER M: George Cherian <george.cherian@cavium.com> L: linux-crypto@vger.kernel.org @@ -3172,6 +3154,13 @@ W: http://www.cavium.com S: Supported F: drivers/crypto/cavium/cpt/ +CAVIUM THUNDERX2 ARM64 SOC +M: Jayachandran C <jnair@caviumnetworks.com> +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Maintained +F: arch/arm64/boot/dts/cavium/thunder2-99xx* +F: Documentation/devicetree/bindings/arm/cavium-thunder2.txt + CC2520 IEEE-802.15.4 RADIO DRIVER M: Varka Bhadram <varkabhadram@gmail.com> L: linux-wpan@vger.kernel.org @@ -3260,12 +3249,6 @@ F: drivers/usb/host/whci/ F: drivers/usb/wusbcore/ F: include/linux/usb/wusb* -HT16K33 LED CONTROLLER DRIVER -M: Robin van der Gracht <robin@protonic.nl> -S: Maintained -F: drivers/auxdisplay/ht16k33.c -F: Documentation/devicetree/bindings/display/ht16k33.txt - CFAG12864B LCD DRIVER M: Miguel Ojeda Sandonis <miguel.ojeda.sandonis@gmail.com> W: http://miguelojeda.es/auxdisplay.htm @@ -3337,6 +3320,34 @@ S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform.git F: drivers/platform/chrome/ +CIRRUS LOGIC AUDIO CODEC DRIVERS +M: Brian Austin <brian.austin@cirrus.com> +M: Paul Handrigan <Paul.Handrigan@cirrus.com> +L: alsa-devel@alsa-project.org (moderated for non-subscribers) +S: Maintained +F: sound/soc/codecs/cs* + +CIRRUS LOGIC EP93XX ETHERNET DRIVER +M: Hartley Sweeten <hsweeten@visionengravers.com> +L: netdev@vger.kernel.org +S: Maintained +F: drivers/net/ethernet/cirrus/ep93xx_eth.c + +CISCO FCOE HBA DRIVER +M: Satish Kharat <satishkh@cisco.com> +M: Sesidhar Baddela <sebaddel@cisco.com> +M: Karan Tilak Kumar <kartilak@cisco.com> +L: linux-scsi@vger.kernel.org +S: Supported +F: drivers/scsi/fnic/ + +CISCO SCSI HBA DRIVER +M: Karan Tilak Kumar <kartilak@cisco.com> +M: Sesidhar Baddela <sebaddel@cisco.com> +L: linux-scsi@vger.kernel.org +S: Supported +F: drivers/scsi/snic/ + CISCO VIC ETHERNET NIC DRIVER M: Christian Benvenuti <benve@cisco.com> M: Govindarajulu Varadarajan <_govind@gmx.com> @@ -3350,19 +3361,6 @@ M: Dave Goodell <dgoodell@cisco.com> S: Supported F: drivers/infiniband/hw/usnic/ -CIRRUS LOGIC EP93XX ETHERNET DRIVER -M: Hartley Sweeten <hsweeten@visionengravers.com> -L: netdev@vger.kernel.org -S: Maintained -F: drivers/net/ethernet/cirrus/ep93xx_eth.c - -CIRRUS LOGIC AUDIO CODEC DRIVERS -M: Brian Austin <brian.austin@cirrus.com> -M: Paul Handrigan <Paul.Handrigan@cirrus.com> -L: alsa-devel@alsa-project.org (moderated for non-subscribers) -S: Maintained -F: sound/soc/codecs/cs* - CLEANCACHE API M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> L: linux-kernel@vger.kernel.org @@ -3384,21 +3382,6 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core S: Supported F: drivers/clocksource -CISCO FCOE HBA DRIVER -M: Satish Kharat <satishkh@cisco.com> -M: Sesidhar Baddela <sebaddel@cisco.com> -M: Karan Tilak Kumar <kartilak@cisco.com> -L: linux-scsi@vger.kernel.org -S: Supported -F: drivers/scsi/fnic/ - -CISCO SCSI HBA DRIVER -M: Karan Tilak Kumar <kartilak@cisco.com> -M: Sesidhar Baddela <sebaddel@cisco.com> -L: linux-scsi@vger.kernel.org -S: Supported -F: drivers/scsi/snic/ - CMPC ACPI DRIVER M: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> M: Daniel Oliveira Nascimento <don@syst.com.br> @@ -3474,17 +3457,17 @@ L: linux-pci@vger.kernel.org S: Maintained F: drivers/pci/hotplug/cpci_hotplug* -COMPACTPCI HOTPLUG ZIATECH ZT5550 DRIVER +COMPACTPCI HOTPLUG GENERIC DRIVER M: Scott Murray <scott@spiteful.org> L: linux-pci@vger.kernel.org S: Maintained -F: drivers/pci/hotplug/cpcihp_zt5550.* +F: drivers/pci/hotplug/cpcihp_generic.c -COMPACTPCI HOTPLUG GENERIC DRIVER +COMPACTPCI HOTPLUG ZIATECH ZT5550 DRIVER M: Scott Murray <scott@spiteful.org> L: linux-pci@vger.kernel.org S: Maintained -F: drivers/pci/hotplug/cpcihp_generic.c +F: drivers/pci/hotplug/cpcihp_zt5550.* COMPAL LAPTOP SUPPORT M: Cezary Jackiewicz <cezary.jackiewicz@gmail.com> @@ -3587,6 +3570,18 @@ F: drivers/cpufreq/arm_big_little.h F: drivers/cpufreq/arm_big_little.c F: drivers/cpufreq/arm_big_little_dt.c +CPU POWER MONITORING SUBSYSTEM +M: Thomas Renninger <trenn@suse.com> +L: linux-pm@vger.kernel.org +S: Maintained +F: tools/power/cpupower/ + +CPUID/MSR DRIVER +M: "H. Peter Anvin" <hpa@zytor.com> +S: Maintained +F: arch/x86/kernel/cpuid.c +F: arch/x86/kernel/msr.c + CPUIDLE DRIVER - ARM BIG LITTLE M: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> M: Daniel Lezcano <daniel.lezcano@linaro.org> @@ -3616,18 +3611,6 @@ B: https://bugzilla.kernel.org F: drivers/cpuidle/* F: include/linux/cpuidle.h -CPUID/MSR DRIVER -M: "H. Peter Anvin" <hpa@zytor.com> -S: Maintained -F: arch/x86/kernel/cpuid.c -F: arch/x86/kernel/msr.c - -CPU POWER MONITORING SUBSYSTEM -M: Thomas Renninger <trenn@suse.com> -L: linux-pm@vger.kernel.org -S: Maintained -F: tools/power/cpupower/ - CRAMFS FILESYSTEM W: http://sourceforge.net/projects/cramfs/ S: Orphan / Obsolete @@ -3757,6 +3740,13 @@ S: Supported F: drivers/infiniband/hw/cxgb3/ F: include/uapi/rdma/cxgb3-abi.h +CXGB4 CRYPTO DRIVER (chcr) +M: Harsh Jain <harsh@chelsio.com> +L: linux-crypto@vger.kernel.org +W: http://www.chelsio.com +S: Supported +F: drivers/crypto/chelsio + CXGB4 ETHERNET DRIVER (CXGB4) M: Ganesh Goudar <ganeshgr@chelsio.com> L: netdev@vger.kernel.org @@ -3779,13 +3769,6 @@ S: Supported F: drivers/infiniband/hw/cxgb4/ F: include/uapi/rdma/cxgb4-abi.h -CXGB4 CRYPTO DRIVER (chcr) -M: Harsh Jain <harsh@chelsio.com> -L: linux-crypto@vger.kernel.org -W: http://www.chelsio.com -S: Supported -F: drivers/crypto/chelsio - CXGB4VF ETHERNET DRIVER (CXGB4VF) M: Casey Leedom <leedom@chelsio.com> L: netdev@vger.kernel.org @@ -3815,14 +3798,6 @@ F: drivers/scsi/cxlflash/ F: include/uapi/scsi/cxlflash_ioctls.h F: Documentation/powerpc/cxlflash.txt -STMMAC ETHERNET DRIVER -M: Giuseppe Cavallaro <peppe.cavallaro@st.com> -M: Alexandre Torgue <alexandre.torgue@st.com> -L: netdev@vger.kernel.org -W: http://www.stlinux.com -S: Supported -F: drivers/net/ethernet/stmicro/stmmac/ - CYBERPRO FB DRIVER M: Russell King <linux@armlinux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -3946,15 +3921,15 @@ L: platform-driver-x86@vger.kernel.org S: Maintained F: drivers/platform/x86/dell-laptop.c -DELL LAPTOP RBTN DRIVER +DELL LAPTOP FREEFALL DRIVER M: Pali Rohár <pali.rohar@gmail.com> S: Maintained -F: drivers/platform/x86/dell-rbtn.* +F: drivers/platform/x86/dell-smo8800.c -DELL LAPTOP FREEFALL DRIVER +DELL LAPTOP RBTN DRIVER M: Pali Rohár <pali.rohar@gmail.com> S: Maintained -F: drivers/platform/x86/dell-smo8800.c +F: drivers/platform/x86/dell-rbtn.* DELL LAPTOP SMM DRIVER M: Pali Rohár <pali.rohar@gmail.com> @@ -3974,6 +3949,14 @@ M: Pali Rohár <pali.rohar@gmail.com> S: Maintained F: drivers/platform/x86/dell-wmi.c +DELTA ST MEDIA DRIVER +M: Hugues Fruchet <hugues.fruchet@st.com> +L: linux-media@vger.kernel.org +T: git git://linuxtv.org/media_tree.git +W: https://linuxtv.org +S: Supported +F: drivers/media/platform/sti/delta + DENALI NAND DRIVER M: Masahiro Yamada <yamada.masahiro@socionext.com> L: linux-mtd@lists.infradead.org @@ -4028,15 +4011,6 @@ F: drivers/devfreq/devfreq-event.c F: include/linux/devfreq-event.h F: Documentation/devicetree/bindings/devfreq/event/ -BUS FREQUENCY DRIVER FOR SAMSUNG EXYNOS -M: Chanwoo Choi <cw00.choi@samsung.com> -L: linux-pm@vger.kernel.org -L: linux-samsung-soc@vger.kernel.org -T: git git://git.kernel.org/pub/scm/linux/kernel/git/mzx/devfreq.git -S: Maintained -F: drivers/devfreq/exynos-bus.c -F: Documentation/devicetree/bindings/devfreq/exynos-bus.txt - DEVICE NUMBER REGISTRY M: Torben Mathiasen <device@lanana.org> W: http://lanana.org/docs/device-list/index.html @@ -4186,20 +4160,6 @@ F: include/linux/*fence.h F: Documentation/driver-api/dma-buf.rst T: git git://anongit.freedesktop.org/drm/drm-misc -SYNC FILE FRAMEWORK -M: Sumit Semwal <sumit.semwal@linaro.org> -R: Gustavo Padovan <gustavo@padovan.org> -S: Maintained -L: linux-media@vger.kernel.org -L: dri-devel@lists.freedesktop.org -F: drivers/dma-buf/sync_* -F: drivers/dma-buf/dma-fence* -F: drivers/dma-buf/sw_sync.c -F: include/linux/sync_file.h -F: include/uapi/linux/sync_file.h -F: Documentation/sync_file.txt -T: git git://anongit.freedesktop.org/drm/drm-misc - DMA GENERIC OFFLOAD ENGINE SUBSYSTEM M: Vinod Koul <vinod.koul@intel.com> L: dmaengine@vger.kernel.org @@ -4211,6 +4171,21 @@ F: Documentation/devicetree/bindings/dma/ F: Documentation/dmaengine/ T: git git://git.infradead.org/users/vkoul/slave-dma.git +DMA MAPPING HELPERS +M: Christoph Hellwig <hch@lst.de> +M: Marek Szyprowski <m.szyprowski@samsung.com> +R: Robin Murphy <robin.murphy@arm.com> +L: linux-kernel@vger.kernel.org +T: git git://git.infradead.org/users/hch/dma-mapping.git +W: http://git.infradead.org/users/hch/dma-mapping.git +S: Supported +F: lib/dma-debug.c +F: lib/dma-noop.c +F: lib/dma-virt.c +F: drivers/base/dma-mapping.c +F: drivers/base/dma-coherent.c +F: include/linux/dma-mapping.h + DME1737 HARDWARE MONITOR DRIVER M: Juerg Haefliger <juergh@gmail.com> L: linux-hwmon@vger.kernel.org @@ -4241,6 +4216,13 @@ X: Documentation/spi X: Documentation/media T: git git://git.lwn.net/linux.git docs-next +DONGWOON DW9714 LENS VOICE COIL DRIVER +M: Sakari Ailus <sakari.ailus@linux.intel.com> +L: linux-media@vger.kernel.org +T: git git://linuxtv.org/media_tree.git +S: Maintained +F: drivers/media/i2c/dw9714.c + DOUBLETALK DRIVER M: "James R. Van Zandt" <jrv@vanzandt.mv.com> L: blinux-list@redhat.com @@ -4292,36 +4274,13 @@ F: include/linux/debugfs.h F: include/linux/kobj* F: lib/kobj* -DRM DRIVERS -M: David Airlie <airlied@linux.ie> -L: dri-devel@lists.freedesktop.org -T: git git://people.freedesktop.org/~airlied/linux -B: https://bugs.freedesktop.org/ -C: irc://chat.freenode.net/dri-devel -S: Maintained -F: drivers/gpu/drm/ -F: drivers/gpu/vga/ -F: Documentation/devicetree/bindings/display/ -F: Documentation/devicetree/bindings/gpu/ -F: Documentation/devicetree/bindings/video/ -F: Documentation/gpu/ -F: include/drm/ -F: include/uapi/drm/ -F: include/linux/vga* - -DRM DRIVERS AND MISC GPU PATCHES -M: Daniel Vetter <daniel.vetter@intel.com> -M: Jani Nikula <jani.nikula@linux.intel.com> -M: Sean Paul <seanpaul@chromium.org> -W: https://01.org/linuxgraphics/gfx-docs/maintainer-tools/drm-misc.html +DRIVERS FOR ADAPTIVE VOLTAGE SCALING (AVS) +M: Kevin Hilman <khilman@kernel.org> +M: Nishanth Menon <nm@ti.com> S: Maintained -T: git git://anongit.freedesktop.org/drm/drm-misc -F: Documentation/gpu/ -F: drivers/gpu/vga/ -F: drivers/gpu/drm/* -F: include/drm/drm* -F: include/uapi/drm/drm* -F: include/linux/vga* +F: drivers/power/avs/ +F: include/linux/power/smartreflex.h +L: linux-pm@vger.kernel.org DRM DRIVER FOR ARM PL111 CLCD M: Eric Anholt <eric@anholt.net> @@ -4334,14 +4293,6 @@ M: Dave Airlie <airlied@redhat.com> S: Odd Fixes F: drivers/gpu/drm/ast/ -DRM DRIVERS FOR BRIDGE CHIPS -M: Archit Taneja <architt@codeaurora.org> -M: Andrzej Hajda <a.hajda@samsung.com> -R: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> -S: Maintained -T: git git://anongit.freedesktop.org/drm/drm-misc -F: drivers/gpu/drm/bridge/ - DRM DRIVER FOR BOCHS VIRTUAL GPU M: Gerd Hoffmann <kraxel@redhat.com> L: virtualization@lists.linux-foundation.org @@ -4349,6 +4300,47 @@ T: git git://anongit.freedesktop.org/drm/drm-misc S: Maintained F: drivers/gpu/drm/bochs/ +DRM DRIVER FOR INTEL I810 VIDEO CARDS +S: Orphan / Obsolete +F: drivers/gpu/drm/i810/ +F: include/uapi/drm/i810_drm.h + +DRM DRIVER FOR MATROX G200/G400 GRAPHICS CARDS +S: Orphan / Obsolete +F: drivers/gpu/drm/mga/ +F: include/uapi/drm/mga_drm.h + +DRM DRIVER FOR MGA G200 SERVER GRAPHICS CHIPS +M: Dave Airlie <airlied@redhat.com> +S: Odd Fixes +F: drivers/gpu/drm/mgag200/ + +DRM DRIVER FOR MI0283QT +M: Noralf Trønnes <noralf@tronnes.org> +S: Maintained +F: drivers/gpu/drm/tinydrm/mi0283qt.c +F: Documentation/devicetree/bindings/display/multi-inno,mi0283qt.txt + +DRM DRIVER FOR MSM ADRENO GPU +M: Rob Clark <robdclark@gmail.com> +L: linux-arm-msm@vger.kernel.org +L: dri-devel@lists.freedesktop.org +L: freedreno@lists.freedesktop.org +T: git git://people.freedesktop.org/~robclark/linux +S: Maintained +F: drivers/gpu/drm/msm/ +F: include/uapi/drm/msm_drm.h +F: Documentation/devicetree/bindings/display/msm/ + +DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS +M: Ben Skeggs <bskeggs@redhat.com> +L: dri-devel@lists.freedesktop.org +L: nouveau@lists.freedesktop.org +T: git git://github.com/skeggsb/linux +S: Supported +F: drivers/gpu/drm/nouveau/ +F: include/uapi/drm/nouveau_drm.h + DRM DRIVER FOR QEMU'S CIRRUS DEVICE M: Dave Airlie <airlied@redhat.com> M: Gerd Hoffmann <kraxel@redhat.com> @@ -4358,59 +4350,80 @@ S: Obsolete W: https://www.kraxel.org/blog/2014/10/qemu-using-cirrus-considered-harmful/ F: drivers/gpu/drm/cirrus/ -RADEON and AMDGPU DRM DRIVERS -M: Alex Deucher <alexander.deucher@amd.com> -M: Christian König <christian.koenig@amd.com> -L: amd-gfx@lists.freedesktop.org -T: git git://people.freedesktop.org/~agd5f/linux +DRM DRIVER FOR QXL VIRTUAL GPU +M: Dave Airlie <airlied@redhat.com> +M: Gerd Hoffmann <kraxel@redhat.com> +L: virtualization@lists.linux-foundation.org +T: git git://anongit.freedesktop.org/drm/drm-misc +S: Maintained +F: drivers/gpu/drm/qxl/ +F: include/uapi/drm/qxl_drm.h + +DRM DRIVER FOR RAGE 128 VIDEO CARDS +S: Orphan / Obsolete +F: drivers/gpu/drm/r128/ +F: include/uapi/drm/r128_drm.h + +DRM DRIVER FOR SAVAGE VIDEO CARDS +S: Orphan / Obsolete +F: drivers/gpu/drm/savage/ +F: include/uapi/drm/savage_drm.h + +DRM DRIVER FOR SIS VIDEO CARDS +S: Orphan / Obsolete +F: drivers/gpu/drm/sis/ +F: include/uapi/drm/sis_drm.h + +DRM DRIVER FOR TDFX VIDEO CARDS +S: Orphan / Obsolete +F: drivers/gpu/drm/tdfx/ + +DRM DRIVER FOR USB DISPLAYLINK VIDEO ADAPTERS +M: Dave Airlie <airlied@redhat.com> +S: Odd Fixes +F: drivers/gpu/drm/udl/ + +DRM DRIVER FOR VMWARE VIRTUAL GPU +M: "VMware Graphics" <linux-graphics-maintainer@vmware.com> +M: Sinclair Yeh <syeh@vmware.com> +M: Thomas Hellstrom <thellstrom@vmware.com> +L: dri-devel@lists.freedesktop.org +T: git git://people.freedesktop.org/~syeh/repos_linux +T: git git://people.freedesktop.org/~thomash/linux S: Supported -F: drivers/gpu/drm/radeon/ -F: include/uapi/drm/radeon_drm.h -F: drivers/gpu/drm/amd/ -F: include/uapi/drm/amdgpu_drm.h +F: drivers/gpu/drm/vmwgfx/ +F: include/uapi/drm/vmwgfx_drm.h -DRM PANEL DRIVERS -M: Thierry Reding <thierry.reding@gmail.com> +DRM DRIVERS +M: David Airlie <airlied@linux.ie> L: dri-devel@lists.freedesktop.org -T: git git://anongit.freedesktop.org/tegra/linux.git +T: git git://people.freedesktop.org/~airlied/linux +B: https://bugs.freedesktop.org/ +C: irc://chat.freenode.net/dri-devel S: Maintained -F: drivers/gpu/drm/drm_panel.c -F: drivers/gpu/drm/panel/ -F: include/drm/drm_panel.h -F: Documentation/devicetree/bindings/display/panel/ +F: drivers/gpu/drm/ +F: drivers/gpu/vga/ +F: Documentation/devicetree/bindings/display/ +F: Documentation/devicetree/bindings/gpu/ +F: Documentation/devicetree/bindings/video/ +F: Documentation/gpu/ +F: include/drm/ +F: include/uapi/drm/ +F: include/linux/vga* -INTEL DRM DRIVERS (excluding Poulsbo, Moorestown and derivative chipsets) +DRM DRIVERS AND MISC GPU PATCHES M: Daniel Vetter <daniel.vetter@intel.com> M: Jani Nikula <jani.nikula@linux.intel.com> -L: intel-gfx@lists.freedesktop.org -W: https://01.org/linuxgraphics/ -B: https://01.org/linuxgraphics/documentation/how-report-bugs -C: irc://chat.freenode.net/intel-gfx -Q: http://patchwork.freedesktop.org/project/intel-gfx/ -T: git git://anongit.freedesktop.org/drm-intel -S: Supported -F: drivers/gpu/drm/i915/ -F: include/drm/i915* -F: include/uapi/drm/i915_drm.h -F: Documentation/gpu/i915.rst - -INTEL GVT-g DRIVERS (Intel GPU Virtualization) -M: Zhenyu Wang <zhenyuw@linux.intel.com> -M: Zhi Wang <zhi.a.wang@intel.com> -L: intel-gvt-dev@lists.freedesktop.org -L: intel-gfx@lists.freedesktop.org -W: https://01.org/igvt-g -T: git https://github.com/01org/gvt-linux.git -S: Supported -F: drivers/gpu/drm/i915/gvt/ - -DRM DRIVERS FOR ATMEL HLCDC -M: Boris Brezillon <boris.brezillon@free-electrons.com> -L: dri-devel@lists.freedesktop.org -S: Supported -F: drivers/gpu/drm/atmel-hlcdc/ -F: Documentation/devicetree/bindings/drm/atmel/ +M: Sean Paul <seanpaul@chromium.org> +W: https://01.org/linuxgraphics/gfx-docs/maintainer-tools/drm-misc.html +S: Maintained T: git git://anongit.freedesktop.org/drm/drm-misc +F: Documentation/gpu/ +F: drivers/gpu/vga/ +F: drivers/gpu/drm/* +F: include/drm/drm* +F: include/uapi/drm/drm* +F: include/linux/vga* DRM DRIVERS FOR ALLWINNER A10 M: Maxime Ripard <maxime.ripard@free-electrons.com> @@ -4432,6 +4445,22 @@ F: Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.txt F: Documentation/gpu/meson.rst T: git git://anongit.freedesktop.org/drm/drm-misc +DRM DRIVERS FOR ATMEL HLCDC +M: Boris Brezillon <boris.brezillon@free-electrons.com> +L: dri-devel@lists.freedesktop.org +S: Supported +F: drivers/gpu/drm/atmel-hlcdc/ +F: Documentation/devicetree/bindings/drm/atmel/ +T: git git://anongit.freedesktop.org/drm/drm-misc + +DRM DRIVERS FOR BRIDGE CHIPS +M: Archit Taneja <architt@codeaurora.org> +M: Andrzej Hajda <a.hajda@samsung.com> +R: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> +S: Maintained +T: git git://anongit.freedesktop.org/drm/drm-misc +F: drivers/gpu/drm/bridge/ + DRM DRIVERS FOR EXYNOS M: Inki Dae <inki.dae@samsung.com> M: Joonyoung Shim <jy0922.shim@samsung.com> @@ -4480,11 +4509,6 @@ S: Maintained F: drivers/gpu/drm/hisilicon/ F: Documentation/devicetree/bindings/display/hisilicon/ -DRM DRIVER FOR INTEL I810 VIDEO CARDS -S: Orphan / Obsolete -F: drivers/gpu/drm/i810/ -F: include/uapi/drm/i810_drm.h - DRM DRIVERS FOR MEDIATEK M: CK Hu <ck.hu@mediatek.com> M: Philipp Zabel <p.zabel@pengutronix.de> @@ -4493,32 +4517,6 @@ S: Supported F: drivers/gpu/drm/mediatek/ F: Documentation/devicetree/bindings/display/mediatek/ -DRM DRIVER FOR MI0283QT -M: Noralf Trønnes <noralf@tronnes.org> -S: Maintained -F: drivers/gpu/drm/tinydrm/mi0283qt.c -F: Documentation/devicetree/bindings/display/multi-inno,mi0283qt.txt - -DRM DRIVER FOR MSM ADRENO GPU -M: Rob Clark <robdclark@gmail.com> -L: linux-arm-msm@vger.kernel.org -L: dri-devel@lists.freedesktop.org -L: freedreno@lists.freedesktop.org -T: git git://people.freedesktop.org/~robclark/linux -S: Maintained -F: drivers/gpu/drm/msm/ -F: include/uapi/drm/msm_drm.h -F: Documentation/devicetree/bindings/display/msm/ - -DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS -M: Ben Skeggs <bskeggs@redhat.com> -L: dri-devel@lists.freedesktop.org -L: nouveau@lists.freedesktop.org -T: git git://github.com/skeggsb/linux -S: Supported -F: drivers/gpu/drm/nouveau/ -F: include/uapi/drm/nouveau_drm.h - DRM DRIVERS FOR NVIDIA TEGRA M: Thierry Reding <thierry.reding@gmail.com> L: dri-devel@lists.freedesktop.org @@ -4531,21 +4529,6 @@ F: include/linux/host1x.h F: include/uapi/drm/tegra_drm.h F: Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt -DRM DRIVER FOR MATROX G200/G400 GRAPHICS CARDS -S: Orphan / Obsolete -F: drivers/gpu/drm/mga/ -F: include/uapi/drm/mga_drm.h - -DRM DRIVER FOR MGA G200 SERVER GRAPHICS CHIPS -M: Dave Airlie <airlied@redhat.com> -S: Odd Fixes -F: drivers/gpu/drm/mgag200/ - -DRM DRIVER FOR RAGE 128 VIDEO CARDS -S: Orphan / Obsolete -F: drivers/gpu/drm/r128/ -F: include/uapi/drm/r128_drm.h - DRM DRIVERS FOR RENESAS M: Laurent Pinchart <laurent.pinchart@ideasonboard.com> L: dri-devel@lists.freedesktop.org @@ -4558,15 +4541,6 @@ F: include/linux/platform_data/shmob_drm.h F: Documentation/devicetree/bindings/display/bridge/renesas,dw-hdmi.txt F: Documentation/devicetree/bindings/display/renesas,du.txt -DRM DRIVER FOR QXL VIRTUAL GPU -M: Dave Airlie <airlied@redhat.com> -M: Gerd Hoffmann <kraxel@redhat.com> -L: virtualization@lists.linux-foundation.org -T: git git://anongit.freedesktop.org/drm/drm-misc -S: Maintained -F: drivers/gpu/drm/qxl/ -F: include/uapi/drm/qxl_drm.h - DRM DRIVERS FOR ROCKCHIP M: Mark Yao <mark.yao@rock-chips.com> L: dri-devel@lists.freedesktop.org @@ -4575,16 +4549,6 @@ F: drivers/gpu/drm/rockchip/ F: Documentation/devicetree/bindings/display/rockchip/ T: git git://anongit.freedesktop.org/drm/drm-misc -DRM DRIVER FOR SAVAGE VIDEO CARDS -S: Orphan / Obsolete -F: drivers/gpu/drm/savage/ -F: include/uapi/drm/savage_drm.h - -DRM DRIVER FOR SIS VIDEO CARDS -S: Orphan / Obsolete -F: drivers/gpu/drm/sis/ -F: include/uapi/drm/sis_drm.h - DRM DRIVERS FOR STI M: Benjamin Gaignard <benjamin.gaignard@linaro.org> M: Vincent Abriou <vincent.abriou@st.com> @@ -4605,36 +4569,20 @@ S: Maintained F: drivers/gpu/drm/stm F: Documentation/devicetree/bindings/display/st,stm32-ltdc.txt -DRM DRIVER FOR TDFX VIDEO CARDS -S: Orphan / Obsolete -F: drivers/gpu/drm/tdfx/ - -DRM DRIVER FOR USB DISPLAYLINK VIDEO ADAPTERS -M: Dave Airlie <airlied@redhat.com> -S: Odd Fixes -F: drivers/gpu/drm/udl/ - -DRM DRIVERS FOR VIVANTE GPU IP -M: Lucas Stach <l.stach@pengutronix.de> -R: Russell King <linux+etnaviv@armlinux.org.uk> -R: Christian Gmeiner <christian.gmeiner@gmail.com> -L: etnaviv@lists.freedesktop.org +DRM DRIVERS FOR TI LCDC +M: Jyri Sarha <jsarha@ti.com> +R: Tomi Valkeinen <tomi.valkeinen@ti.com> L: dri-devel@lists.freedesktop.org S: Maintained -F: drivers/gpu/drm/etnaviv/ -F: include/uapi/drm/etnaviv_drm.h -F: Documentation/devicetree/bindings/display/etnaviv/ +F: drivers/gpu/drm/tilcdc/ +F: Documentation/devicetree/bindings/display/tilcdc/ -DRM DRIVER FOR VMWARE VIRTUAL GPU -M: "VMware Graphics" <linux-graphics-maintainer@vmware.com> -M: Sinclair Yeh <syeh@vmware.com> -M: Thomas Hellstrom <thellstrom@vmware.com> +DRM DRIVERS FOR TI OMAP +M: Tomi Valkeinen <tomi.valkeinen@ti.com> L: dri-devel@lists.freedesktop.org -T: git git://people.freedesktop.org/~syeh/repos_linux -T: git git://people.freedesktop.org/~thomash/linux -S: Supported -F: drivers/gpu/drm/vmwgfx/ -F: include/uapi/drm/vmwgfx_drm.h +S: Maintained +F: drivers/gpu/drm/omapdrm/ +F: Documentation/devicetree/bindings/display/ti/ DRM DRIVERS FOR VC4 M: Eric Anholt <eric@anholt.net> @@ -4645,20 +4593,16 @@ F: include/uapi/drm/vc4_drm.h F: Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt T: git git://anongit.freedesktop.org/drm/drm-misc -DRM DRIVERS FOR TI OMAP -M: Tomi Valkeinen <tomi.valkeinen@ti.com> -L: dri-devel@lists.freedesktop.org -S: Maintained -F: drivers/gpu/drm/omapdrm/ -F: Documentation/devicetree/bindings/display/ti/ - -DRM DRIVERS FOR TI LCDC -M: Jyri Sarha <jsarha@ti.com> -R: Tomi Valkeinen <tomi.valkeinen@ti.com> +DRM DRIVERS FOR VIVANTE GPU IP +M: Lucas Stach <l.stach@pengutronix.de> +R: Russell King <linux+etnaviv@armlinux.org.uk> +R: Christian Gmeiner <christian.gmeiner@gmail.com> +L: etnaviv@lists.freedesktop.org L: dri-devel@lists.freedesktop.org S: Maintained -F: drivers/gpu/drm/tilcdc/ -F: Documentation/devicetree/bindings/display/tilcdc/ +F: drivers/gpu/drm/etnaviv/ +F: include/uapi/drm/etnaviv_drm.h +F: Documentation/devicetree/bindings/display/etnaviv/ DRM DRIVERS FOR ZTE ZX M: Shawn Guo <shawnguo@kernel.org> @@ -4668,6 +4612,16 @@ F: drivers/gpu/drm/zte/ F: Documentation/devicetree/bindings/display/zte,vou.txt T: git git://anongit.freedesktop.org/drm/drm-misc +DRM PANEL DRIVERS +M: Thierry Reding <thierry.reding@gmail.com> +L: dri-devel@lists.freedesktop.org +T: git git://anongit.freedesktop.org/tegra/linux.git +S: Maintained +F: drivers/gpu/drm/drm_panel.c +F: drivers/gpu/drm/panel/ +F: include/drm/drm_panel.h +F: Documentation/devicetree/bindings/display/panel/ + DSBR100 USB FM RADIO DRIVER M: Alexey Klimov <klimov.linux@gmail.com> L: linux-media@vger.kernel.org @@ -4799,13 +4753,6 @@ S: Maintained F: drivers/media/usb/dvb-usb-v2/dvb_usb* F: drivers/media/usb/dvb-usb-v2/usb_urb.c -DONGWOON DW9714 LENS VOICE COIL DRIVER -M: Sakari Ailus <sakari.ailus@linux.intel.com> -L: linux-media@vger.kernel.org -T: git git://linuxtv.org/media_tree.git -S: Maintained -F: drivers/media/i2c/dw9714.c - DYNAMIC DEBUG M: Jason Baron <jbaron@akamai.com> S: Maintained @@ -4861,19 +4808,6 @@ S: Supported F: Documentation/filesystems/ecryptfs.txt F: fs/ecryptfs/ -EDAC-CORE -M: Borislav Petkov <bp@alien8.de> -M: Mauro Carvalho Chehab <mchehab@s-opensource.com> -M: Mauro Carvalho Chehab <mchehab@kernel.org> -L: linux-edac@vger.kernel.org -T: git git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git for-next -T: git git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac.git linux_next -S: Supported -F: Documentation/admin-guide/ras.rst -F: Documentation/driver-api/edac.rst -F: drivers/edac/ -F: include/linux/edac.h - EDAC-AMD64 M: Borislav Petkov <bp@alien8.de> L: linux-edac@vger.kernel.org @@ -4895,6 +4829,19 @@ S: Supported F: drivers/edac/octeon_edac* F: drivers/edac/thunderx_edac* +EDAC-CORE +M: Borislav Petkov <bp@alien8.de> +M: Mauro Carvalho Chehab <mchehab@s-opensource.com> +M: Mauro Carvalho Chehab <mchehab@kernel.org> +L: linux-edac@vger.kernel.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git for-next +T: git git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac.git linux_next +S: Supported +F: Documentation/admin-guide/ras.rst +F: Documentation/driver-api/edac.rst +F: drivers/edac/ +F: include/linux/edac.h + EDAC-E752X M: Mark Gross <mark.gross@intel.com> L: linux-edac@vger.kernel.org @@ -4919,12 +4866,6 @@ L: linux-edac@vger.kernel.org S: Maintained F: drivers/edac/ghes_edac.c -EDAC-I82443BXGX -M: Tim Small <tim@buttersideup.com> -L: linux-edac@vger.kernel.org -S: Maintained -F: drivers/edac/i82443bxgx_edac.c - EDAC-I3000 L: linux-edac@vger.kernel.org S: Orphan @@ -4956,6 +4897,12 @@ L: linux-edac@vger.kernel.org S: Maintained F: drivers/edac/i7core_edac.c +EDAC-I82443BXGX +M: Tim Small <tim@buttersideup.com> +L: linux-edac@vger.kernel.org +S: Maintained +F: drivers/edac/i82443bxgx_edac.c + EDAC-I82975X M: Ranganathan Desikan <ravi@jetztechnologies.com> M: "Arvind R." <arvino55@gmail.com> @@ -4975,18 +4922,18 @@ L: linux-edac@vger.kernel.org S: Maintained F: drivers/edac/mpc85xx_edac.[ch] -EDAC-PND2 -M: Tony Luck <tony.luck@intel.com> -L: linux-edac@vger.kernel.org -S: Maintained -F: drivers/edac/pnd2_edac.[ch] - EDAC-PASEMI M: Egor Martovetsky <egor@pasemi.com> L: linux-edac@vger.kernel.org S: Maintained F: drivers/edac/pasemi_edac.c +EDAC-PND2 +M: Tony Luck <tony.luck@intel.com> +L: linux-edac@vger.kernel.org +S: Maintained +F: drivers/edac/pnd2_edac.[ch] + EDAC-R82600 M: Tim Small <tim@buttersideup.com> L: linux-edac@vger.kernel.org @@ -5006,13 +4953,6 @@ L: linux-edac@vger.kernel.org S: Maintained F: drivers/edac/skx_edac.c -EDAC-XGENE -APPLIED MICRO (APM) X-GENE SOC EDAC -M: Loc Ho <lho@apm.com> -S: Supported -F: drivers/edac/xgene_edac.c -F: Documentation/devicetree/bindings/edac/apm-xgene-edac.txt - EDIROL UA-101/UA-1000 DRIVER M: Clemens Ladisch <clemens@ladisch.de> L: alsa-devel@alsa-project.org (moderated for non-subscribers) @@ -5020,21 +4960,12 @@ T: git git://git.alsa-project.org/alsa-kernel.git S: Maintained F: sound/usb/misc/ua101.c -EXTENSIBLE FIRMWARE INTERFACE (EFI) -M: Matt Fleming <matt@codeblueprint.co.uk> -M: Ard Biesheuvel <ard.biesheuvel@linaro.org> +EFI TEST DRIVER L: linux-efi@vger.kernel.org -T: git git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git +M: Ivan Hu <ivan.hu@canonical.com> +M: Matt Fleming <matt@codeblueprint.co.uk> S: Maintained -F: Documentation/efi-stub.txt -F: arch/*/kernel/efi.c -F: arch/x86/boot/compressed/eboot.[ch] -F: arch/*/include/asm/efi.h -F: arch/x86/platform/efi/ -F: drivers/firmware/efi/ -F: include/linux/efi*.h -F: arch/arm/boot/compressed/efi-header.S -F: arch/arm64/kernel/efi-entry.S +F: drivers/firmware/efi/test/ EFI VARIABLE FILESYSTEM M: Matthew Garrett <matthew.garrett@nebula.com> @@ -5051,13 +4982,6 @@ M: Peter Jones <pjones@redhat.com> S: Maintained F: drivers/video/fbdev/efifb.c -EFI TEST DRIVER -L: linux-efi@vger.kernel.org -M: Ivan Hu <ivan.hu@canonical.com> -M: Matt Fleming <matt@codeblueprint.co.uk> -S: Maintained -F: drivers/firmware/efi/test/ - EFS FILESYSTEM W: http://aeschi.ch.eu.org/efs/ S: Orphan @@ -5086,6 +5010,34 @@ M: David Woodhouse <dwmw2@infradead.org> L: linux-embedded@vger.kernel.org S: Maintained +Emulex 10Gbps iSCSI - OneConnect DRIVER +M: Subbu Seetharaman <subbu.seetharaman@broadcom.com> +M: Ketan Mukadam <ketan.mukadam@broadcom.com> +M: Jitendra Bhivare <jitendra.bhivare@broadcom.com> +L: linux-scsi@vger.kernel.org +W: http://www.broadcom.com +S: Supported +F: drivers/scsi/be2iscsi/ + +Emulex 10Gbps NIC BE2, BE3-R, Lancer, Skyhawk-R DRIVER (be2net) +M: Sathya Perla <sathya.perla@broadcom.com> +M: Ajit Khaparde <ajit.khaparde@broadcom.com> +M: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com> +M: Somnath Kotur <somnath.kotur@broadcom.com> +L: netdev@vger.kernel.org +W: http://www.emulex.com +S: Supported +F: drivers/net/ethernet/emulex/benet/ + +EMULEX ONECONNECT ROCE DRIVER +M: Selvin Xavier <selvin.xavier@broadcom.com> +M: Devesh Sharma <devesh.sharma@broadcom.com> +L: linux-rdma@vger.kernel.org +W: http://www.broadcom.com +S: Odd Fixes +F: drivers/infiniband/hw/ocrdma/ +F: include/uapi/rdma/ocrdma-abi.h + EMULEX/BROADCOM LPFC FC/FCOE SCSI DRIVER M: James Smart <james.smart@broadcom.com> M: Dick Kennedy <dick.kennedy@broadcom.com> @@ -5171,6 +5123,22 @@ L: linux-security-module@vger.kernel.org S: Supported F: security/integrity/evm/ +EXTENSIBLE FIRMWARE INTERFACE (EFI) +M: Matt Fleming <matt@codeblueprint.co.uk> +M: Ard Biesheuvel <ard.biesheuvel@linaro.org> +L: linux-efi@vger.kernel.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git +S: Maintained +F: Documentation/efi-stub.txt +F: arch/*/kernel/efi.c +F: arch/x86/boot/compressed/eboot.[ch] +F: arch/*/include/asm/efi.h +F: arch/x86/platform/efi/ +F: drivers/firmware/efi/ +F: include/linux/efi*.h +F: arch/arm/boot/compressed/efi-header.S +F: arch/arm64/kernel/efi-entry.S + EXTERNAL CONNECTOR SUBSYSTEM (EXTCON) M: MyungJoo Ham <myungjoo.ham@samsung.com> M: Chanwoo Choi <cw00.choi@samsung.com> @@ -5201,6 +5169,19 @@ S: Supported F: arch/arc/plat-eznps F: arch/arc/boot/dts/eznps.dts +F2FS FILE SYSTEM +M: Jaegeuk Kim <jaegeuk@kernel.org> +M: Chao Yu <yuchao0@huawei.com> +L: linux-f2fs-devel@lists.sourceforge.net +W: https://f2fs.wiki.kernel.org/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git +S: Maintained +F: Documentation/filesystems/f2fs.txt +F: Documentation/ABI/testing/sysfs-fs-f2fs +F: fs/f2fs/ +F: include/linux/f2fs_fs.h +F: include/trace/events/f2fs.h + F71805F HARDWARE MONITORING DRIVER M: Jean Delvare <jdelvare@suse.com> L: linux-hwmon@vger.kernel.org @@ -5208,23 +5189,6 @@ S: Maintained F: Documentation/hwmon/f71805f F: drivers/hwmon/f71805f.c -FC0011 TUNER DRIVER -M: Michael Buesch <m@bues.ch> -L: linux-media@vger.kernel.org -S: Maintained -F: drivers/media/tuners/fc0011.h -F: drivers/media/tuners/fc0011.c - -FC2580 MEDIA DRIVER -M: Antti Palosaari <crope@iki.fi> -L: linux-media@vger.kernel.org -W: https://linuxtv.org -W: http://palosaari.fi/linux/ -Q: http://patchwork.linuxtv.org/project/linux-media/list/ -T: git git://linuxtv.org/anttip/media_tree.git -S: Maintained -F: drivers/media/tuners/fc2580* - FANOTIFY M: Eric Paris <eparis@redhat.com> S: Maintained @@ -5249,6 +5213,23 @@ M: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> S: Maintained F: drivers/staging/fbtft/ +FC0011 TUNER DRIVER +M: Michael Buesch <m@bues.ch> +L: linux-media@vger.kernel.org +S: Maintained +F: drivers/media/tuners/fc0011.h +F: drivers/media/tuners/fc0011.c + +FC2580 MEDIA DRIVER +M: Antti Palosaari <crope@iki.fi> +L: linux-media@vger.kernel.org +W: https://linuxtv.org +W: http://palosaari.fi/linux/ +Q: http://patchwork.linuxtv.org/project/linux-media/list/ +T: git git://linuxtv.org/anttip/media_tree.git +S: Maintained +F: drivers/media/tuners/fc2580* + FCOE SUBSYSTEM (libfc, libfcoe, fcoe) M: Johannes Thumshirn <jth@kernel.org> L: fcoe-devel@open-fcoe.org @@ -5408,6 +5389,14 @@ L: linuxppc-dev@lists.ozlabs.org S: Maintained F: drivers/dma/fsldma.* +FREESCALE eTSEC ETHERNET DRIVER (GIANFAR) +M: Claudiu Manoil <claudiu.manoil@freescale.com> +L: netdev@vger.kernel.org +S: Maintained +F: drivers/net/ethernet/freescale/gianfar* +X: drivers/net/ethernet/freescale/gianfar_ptp.c +F: Documentation/devicetree/bindings/net/fsl-tsec-phy.txt + FREESCALE GPMI NAND DRIVER M: Han Xu <han.xu@nxp.com> L: linux-mtd@lists.infradead.org @@ -5421,6 +5410,15 @@ L: linux-i2c@vger.kernel.org S: Maintained F: drivers/i2c/busses/i2c-cpm.c +FREESCALE IMX / MXC FEC DRIVER +M: Fugang Duan <fugang.duan@nxp.com> +L: netdev@vger.kernel.org +S: Maintained +F: drivers/net/ethernet/freescale/fec_main.c +F: drivers/net/ethernet/freescale/fec_ptp.c +F: drivers/net/ethernet/freescale/fec.h +F: Documentation/devicetree/bindings/net/fsl-fec.txt + FREESCALE IMX / MXC FRAMEBUFFER DRIVER M: Sascha Hauer <kernel@pengutronix.de> L: linux-fbdev@vger.kernel.org @@ -5429,29 +5427,11 @@ S: Maintained F: include/linux/platform_data/video-imxfb.h F: drivers/video/fbdev/imxfb.c -FREESCALE QUAD SPI DRIVER -M: Han Xu <han.xu@nxp.com> -L: linux-mtd@lists.infradead.org -S: Maintained -F: drivers/mtd/spi-nor/fsl-quadspi.c - -FREESCALE SOC FS_ENET DRIVER -M: Pantelis Antoniou <pantelis.antoniou@gmail.com> -M: Vitaly Bordug <vbordug@ru.mvista.com> -L: linuxppc-dev@lists.ozlabs.org -L: netdev@vger.kernel.org -S: Maintained -F: drivers/net/ethernet/freescale/fs_enet/ -F: include/linux/fs_enet_pd.h - -FREESCALE IMX / MXC FEC DRIVER -M: Fugang Duan <fugang.duan@nxp.com> +FREESCALE QORIQ DPAA ETHERNET DRIVER +M: Madalin Bucur <madalin.bucur@nxp.com> L: netdev@vger.kernel.org S: Maintained -F: drivers/net/ethernet/freescale/fec_main.c -F: drivers/net/ethernet/freescale/fec_ptp.c -F: drivers/net/ethernet/freescale/fec.h -F: Documentation/devicetree/bindings/net/fsl-fec.txt +F: drivers/net/ethernet/freescale/dpaa FREESCALE QORIQ DPAA FMAN DRIVER M: Madalin Bucur <madalin.bucur@nxp.com> @@ -5460,20 +5440,11 @@ S: Maintained F: drivers/net/ethernet/freescale/fman F: Documentation/devicetree/bindings/powerpc/fsl/fman.txt -FREESCALE QORIQ DPAA ETHERNET DRIVER -M: Madalin Bucur <madalin.bucur@nxp.com> -L: netdev@vger.kernel.org -S: Maintained -F: drivers/net/ethernet/freescale/dpaa - -FREESCALE SOC DRIVERS -M: Li Yang <leoyang.li@nxp.com> -L: linuxppc-dev@lists.ozlabs.org -L: linux-arm-kernel@lists.infradead.org +FREESCALE QUAD SPI DRIVER +M: Han Xu <han.xu@nxp.com> +L: linux-mtd@lists.infradead.org S: Maintained -F: Documentation/devicetree/bindings/soc/fsl/ -F: drivers/soc/fsl/ -F: include/linux/fsl/ +F: drivers/mtd/spi-nor/fsl-quadspi.c FREESCALE QUICC ENGINE LIBRARY M: Qiang Zhao <qiang.zhao@nxp.com> @@ -5483,13 +5454,6 @@ F: drivers/soc/fsl/qe/ F: include/soc/fsl/*qe*.h F: include/soc/fsl/*ucc*.h -FREESCALE USB PERIPHERAL DRIVERS -M: Li Yang <leoyang.li@nxp.com> -L: linux-usb@vger.kernel.org -L: linuxppc-dev@lists.ozlabs.org -S: Maintained -F: drivers/usb/gadget/udc/fsl* - FREESCALE QUICC ENGINE UCC ETHERNET DRIVER M: Li Yang <leoyang.li@nxp.com> L: netdev@vger.kernel.org @@ -5497,14 +5461,6 @@ L: linuxppc-dev@lists.ozlabs.org S: Maintained F: drivers/net/ethernet/freescale/ucc_geth* -FREESCALE eTSEC ETHERNET DRIVER (GIANFAR) -M: Claudiu Manoil <claudiu.manoil@freescale.com> -L: netdev@vger.kernel.org -S: Maintained -F: drivers/net/ethernet/freescale/gianfar* -X: drivers/net/ethernet/freescale/gianfar_ptp.c -F: Documentation/devicetree/bindings/net/fsl-tsec-phy.txt - FREESCALE QUICC ENGINE UCC HDLC DRIVER M: Zhao Qiang <qiang.zhao@nxp.com> L: netdev@vger.kernel.org @@ -5518,6 +5474,24 @@ L: linuxppc-dev@lists.ozlabs.org S: Maintained F: drivers/tty/serial/ucc_uart.c +FREESCALE SOC DRIVERS +M: Li Yang <leoyang.li@nxp.com> +L: linuxppc-dev@lists.ozlabs.org +L: linux-arm-kernel@lists.infradead.org +S: Maintained +F: Documentation/devicetree/bindings/soc/fsl/ +F: drivers/soc/fsl/ +F: include/linux/fsl/ + +FREESCALE SOC FS_ENET DRIVER +M: Pantelis Antoniou <pantelis.antoniou@gmail.com> +M: Vitaly Bordug <vbordug@ru.mvista.com> +L: linuxppc-dev@lists.ozlabs.org +L: netdev@vger.kernel.org +S: Maintained +F: drivers/net/ethernet/freescale/fs_enet/ +F: include/linux/fs_enet_pd.h + FREESCALE SOC SOUND DRIVERS M: Timur Tabi <timur@tabi.org> M: Nicolin Chen <nicoleotsuka@gmail.com> @@ -5530,6 +5504,13 @@ F: sound/soc/fsl/fsl* F: sound/soc/fsl/imx* F: sound/soc/fsl/mpc8610_hpcd.c +FREESCALE USB PERIPHERAL DRIVERS +M: Li Yang <leoyang.li@nxp.com> +L: linux-usb@vger.kernel.org +L: linuxppc-dev@lists.ozlabs.org +S: Maintained +F: drivers/usb/gadget/udc/fsl* + FREEVXFS FILESYSTEM M: Christoph Hellwig <hch@infradead.org> W: ftp://ftp.openlinux.org/pub/people/hch/vxfs @@ -5570,19 +5551,6 @@ S: Supported F: fs/crypto/ F: include/linux/fscrypt*.h -F2FS FILE SYSTEM -M: Jaegeuk Kim <jaegeuk@kernel.org> -M: Chao Yu <yuchao0@huawei.com> -L: linux-f2fs-devel@lists.sourceforge.net -W: https://f2fs.wiki.kernel.org/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git -S: Maintained -F: Documentation/filesystems/f2fs.txt -F: Documentation/ABI/testing/sysfs-fs-f2fs -F: fs/f2fs/ -F: include/linux/f2fs_fs.h -F: include/trace/events/f2fs.h - FUJITSU FR-V (FRV) PORT S: Orphan F: arch/frv/ @@ -5656,6 +5624,12 @@ S: Maintained F: kernel/gcov/ F: Documentation/dev-tools/gcov.rst +GDB KERNEL DEBUGGING HELPER SCRIPTS +M: Jan Kiszka <jan.kiszka@siemens.com> +M: Kieran Bingham <kieran@bingham.xyz> +S: Supported +F: scripts/gdb/ + GDT SCSI DISK ARRAY CONTROLLER DRIVER M: Achim Leubner <achim_leubner@adaptec.com> L: linux-scsi@vger.kernel.org @@ -5663,12 +5637,6 @@ W: http://www.icp-vortex.com/ S: Supported F: drivers/scsi/gdt* -GDB KERNEL DEBUGGING HELPER SCRIPTS -M: Jan Kiszka <jan.kiszka@siemens.com> -M: Kieran Bingham <kieran@bingham.xyz> -S: Supported -F: scripts/gdb/ - GEMTEK FM RADIO RECEIVER DRIVER M: Hans Verkuil <hverkuil@xs4all.nl> L: linux-media@vger.kernel.org @@ -5735,17 +5703,17 @@ L: kvm@vger.kernel.org S: Supported F: drivers/uio/uio_pci_generic.c -GET_MAINTAINER SCRIPT -M: Joe Perches <joe@perches.com> -S: Maintained -F: scripts/get_maintainer.pl - GENWQE (IBM Generic Workqueue Card) M: Frank Haverkamp <haver@linux.vnet.ibm.com> M: Guilherme G. Piccoli <gpiccoli@linux.vnet.ibm.com> S: Supported F: drivers/misc/genwqe/ +GET_MAINTAINER SCRIPT +M: Joe Perches <joe@perches.com> +S: Maintained +F: scripts/get_maintainer.pl + GFS2 FILE SYSTEM M: Steven Whitehouse <swhiteho@redhat.com> M: Bob Peterson <rpeterso@redhat.com> @@ -5778,6 +5746,15 @@ L: linux-input@vger.kernel.org S: Maintained F: drivers/input/touchscreen/goodix.c +GPIO ACPI SUPPORT +M: Mika Westerberg <mika.westerberg@linux.intel.com> +M: Andy Shevchenko <andriy.shevchenko@linux.intel.com> +L: linux-gpio@vger.kernel.org +L: linux-acpi@vger.kernel.org +S: Maintained +F: Documentation/acpi/gpio-properties.txt +F: drivers/gpio/gpiolib-acpi.c + GPIO MOCKUP DRIVER M: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org> L: linux-gpio@vger.kernel.org @@ -5801,15 +5778,6 @@ F: include/asm-generic/gpio.h F: include/uapi/linux/gpio.h F: tools/gpio/ -GPIO ACPI SUPPORT -M: Mika Westerberg <mika.westerberg@linux.intel.com> -M: Andy Shevchenko <andriy.shevchenko@linux.intel.com> -L: linux-gpio@vger.kernel.org -L: linux-acpi@vger.kernel.org -S: Maintained -F: Documentation/acpi/gpio-properties.txt -F: drivers/gpio/gpiolib-acpi.c - GRE DEMULTIPLEXER DRIVER M: Dmitry Kozlov <xeb@mail.ru> L: netdev@vger.kernel.org @@ -5824,14 +5792,6 @@ L: netdev@vger.kernel.org S: Maintained F: drivers/net/ethernet/aeroflex/ -GREYBUS SUBSYSTEM -M: Johan Hovold <johan@kernel.org> -M: Alex Elder <elder@kernel.org> -M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -S: Maintained -F: drivers/staging/greybus/ -L: greybus-dev@lists.linaro.org (moderated for non-subscribers) - GREYBUS AUDIO PROTOCOLS DRIVERS M: Vaibhav Agarwal <vaibhav.sr@gmail.com> M: Mark Greer <mgreer@animalcreek.com> @@ -5849,24 +5809,7 @@ F: drivers/staging/greybus/audio_manager_sysfs.c F: drivers/staging/greybus/audio_module.c F: drivers/staging/greybus/audio_topology.c -GREYBUS PROTOCOLS DRIVERS -M: Rui Miguel Silva <rmfrfs@gmail.com> -S: Maintained -F: drivers/staging/greybus/sdio.c -F: drivers/staging/greybus/light.c -F: drivers/staging/greybus/gpio.c -F: drivers/staging/greybus/power_supply.c -F: drivers/staging/greybus/spi.c -F: drivers/staging/greybus/spilib.c - -GREYBUS PROTOCOLS DRIVERS -M: Bryan O'Donoghue <pure.logic@nexus-software.ie> -S: Maintained -F: drivers/staging/greybus/loopback.c -F: drivers/staging/greybus/timesync.c -F: drivers/staging/greybus/timesync_platform.c - -GREYBUS PROTOCOLS DRIVERS +GREYBUS FW/HID/SPI PROTOCOLS DRIVERS M: Viresh Kumar <vireshk@kernel.org> S: Maintained F: drivers/staging/greybus/authentication.c @@ -5883,11 +5826,12 @@ F: drivers/staging/greybus/spi.c F: drivers/staging/greybus/spilib.c F: drivers/staging/greybus/spilib.h -GREYBUS PROTOCOLS DRIVERS -M: David Lin <dtwlin@gmail.com> +GREYBUS LOOBACK/TIME PROTOCOLS DRIVERS +M: Bryan O'Donoghue <pure.logic@nexus-software.ie> S: Maintained -F: drivers/staging/greybus/uart.c -F: drivers/staging/greybus/log.c +F: drivers/staging/greybus/loopback.c +F: drivers/staging/greybus/timesync.c +F: drivers/staging/greybus/timesync_platform.c GREYBUS PLATFORM DRIVERS M: Vaibhav Hiremath <hvaibhav.linux@gmail.com> @@ -5896,6 +5840,30 @@ F: drivers/staging/greybus/arche-platform.c F: drivers/staging/greybus/arche-apb-ctrl.c F: drivers/staging/greybus/arche_platform.h +GREYBUS SDIO/GPIO/SPI PROTOCOLS DRIVERS +M: Rui Miguel Silva <rmfrfs@gmail.com> +S: Maintained +F: drivers/staging/greybus/sdio.c +F: drivers/staging/greybus/light.c +F: drivers/staging/greybus/gpio.c +F: drivers/staging/greybus/power_supply.c +F: drivers/staging/greybus/spi.c +F: drivers/staging/greybus/spilib.c + +GREYBUS SUBSYSTEM +M: Johan Hovold <johan@kernel.org> +M: Alex Elder <elder@kernel.org> +M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +S: Maintained +F: drivers/staging/greybus/ +L: greybus-dev@lists.linaro.org (moderated for non-subscribers) + +GREYBUS UART PROTOCOLS DRIVERS +M: David Lin <dtwlin@gmail.com> +S: Maintained +F: drivers/staging/greybus/uart.c +F: drivers/staging/greybus/log.c + GS1662 VIDEO SERIALIZER M: Charles-Antoine Couret <charles-antoine.couret@nexvision.fr> L: linux-media@vger.kernel.org @@ -5966,13 +5934,6 @@ L: linux-efi@vger.kernel.org S: Maintained F: block/partitions/efi.* -STK1160 USB VIDEO CAPTURE DRIVER -M: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> -L: linux-media@vger.kernel.org -T: git git://linuxtv.org/media_tree.git -S: Maintained -F: drivers/media/usb/stk1160/ - H8/300 ARCHITECTURE M: Yoshinori Sato <ysato@users.sourceforge.jp> L: uclinux-h8-devel@lists.sourceforge.jp (moderated for non-subscribers) @@ -5984,33 +5945,6 @@ F: drivers/clocksource/h8300_*.c F: drivers/clk/h8300/ F: drivers/irqchip/irq-renesas-h8*.c -HARD DRIVE ACTIVE PROTECTION SYSTEM (HDAPS) DRIVER -M: Frank Seidel <frank@f-seidel.de> -L: platform-driver-x86@vger.kernel.org -W: http://www.kernel.org/pub/linux/kernel/people/fseidel/hdaps/ -S: Maintained -F: drivers/platform/x86/hdaps.c - -HDPVR USB VIDEO ENCODER DRIVER -M: Hans Verkuil <hverkuil@xs4all.nl> -L: linux-media@vger.kernel.org -T: git git://linuxtv.org/media_tree.git -W: https://linuxtv.org -S: Odd Fixes -F: drivers/media/usb/hdpvr/ - -HWPOISON MEMORY FAILURE HANDLING -M: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> -L: linux-mm@kvack.org -S: Maintained -F: mm/memory-failure.c -F: mm/hwpoison-inject.c - -HYPERVISOR VIRTUAL CONSOLE DRIVER -L: linuxppc-dev@lists.ozlabs.org -S: Odd Fixes -F: drivers/tty/hvc/ - HACKRF MEDIA DRIVER M: Antti Palosaari <crope@iki.fi> L: linux-media@vger.kernel.org @@ -6021,6 +5955,13 @@ T: git git://linuxtv.org/anttip/media_tree.git S: Maintained F: drivers/media/usb/hackrf/ +HARD DRIVE ACTIVE PROTECTION SYSTEM (HDAPS) DRIVER +M: Frank Seidel <frank@f-seidel.de> +L: platform-driver-x86@vger.kernel.org +W: http://www.kernel.org/pub/linux/kernel/people/fseidel/hdaps/ +S: Maintained +F: drivers/platform/x86/hdaps.c + HARDWARE MONITORING M: Jean Delvare <jdelvare@suse.com> M: Guenter Roeck <linux@roeck-us.net> @@ -6059,6 +6000,14 @@ L: linux-parisc@vger.kernel.org S: Maintained F: sound/parisc/harmony.* +HDPVR USB VIDEO ENCODER DRIVER +M: Hans Verkuil <hverkuil@xs4all.nl> +L: linux-media@vger.kernel.org +T: git git://linuxtv.org/media_tree.git +W: https://linuxtv.org +S: Odd Fixes +F: drivers/media/usb/hdpvr/ + HEWLETT PACKARD ENTERPRISE ILO NMI WATCHDOG DRIVER M: Jimmy Vance <jimmy.vance@hpe.com> S: Supported @@ -6085,13 +6034,6 @@ F: drivers/block/cciss* F: include/linux/cciss_ioctl.h F: include/uapi/linux/cciss_ioctl.h -OPA-VNIC DRIVER -M: Dennis Dalessandro <dennis.dalessandro@intel.com> -M: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com> -L: linux-rdma@vger.kernel.org -S: Supported -F: drivers/infiniband/ulp/opa_vnic - HFI1 DRIVER M: Mike Marciniszyn <mike.marciniszyn@intel.com> M: Dennis Dalessandro <dennis.dalessandro@intel.com> @@ -6269,6 +6211,12 @@ L: netdev@vger.kernel.org S: Maintained F: net/hsr/ +HT16K33 LED CONTROLLER DRIVER +M: Robin van der Gracht <robin@protonic.nl> +S: Maintained +F: drivers/auxdisplay/ht16k33.c +F: Documentation/devicetree/bindings/display/ht16k33.txt + HTCPEN TOUCHSCREEN DRIVER M: Pau Oliva Fora <pof@eslack.org> L: linux-input@vger.kernel.org @@ -6288,6 +6236,13 @@ W: https://linuxtv.org S: Supported F: drivers/media/platform/sti/hva +HWPOISON MEMORY FAILURE HANDLING +M: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> +L: linux-mm@kvack.org +S: Maintained +F: mm/memory-failure.c +F: mm/hwpoison-inject.c + Hyper-V CORE AND DRIVERS M: "K. Y. Srinivasan" <kys@microsoft.com> M: Haiyang Zhang <haiyangz@microsoft.com> @@ -6310,6 +6265,18 @@ F: include/linux/hyperv.h F: tools/hv/ F: Documentation/ABI/stable/sysfs-bus-vmbus +HYPERVISOR VIRTUAL CONSOLE DRIVER +L: linuxppc-dev@lists.ozlabs.org +S: Odd Fixes +F: drivers/tty/hvc/ + +I2C ACPI SUPPORT +M: Mika Westerberg <mika.westerberg@linux.intel.com> +L: linux-i2c@vger.kernel.org +L: linux-acpi@vger.kernel.org +S: Maintained +F: drivers/i2c/i2c-core-acpi.c + I2C MUXES M: Peter Rosin <peda@axentia.se> L: linux-i2c@vger.kernel.org @@ -6332,6 +6299,36 @@ F: Documentation/i2c/busses/i2c-parport-light F: drivers/i2c/busses/i2c-parport.c F: drivers/i2c/busses/i2c-parport-light.c +I2C SUBSYSTEM +M: Wolfram Sang <wsa@the-dreams.de> +L: linux-i2c@vger.kernel.org +W: https://i2c.wiki.kernel.org/ +Q: https://patchwork.ozlabs.org/project/linux-i2c/list/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git +S: Maintained +F: Documentation/devicetree/bindings/i2c/ +F: Documentation/i2c/ +F: drivers/i2c/ +F: drivers/i2c/*/ +F: include/linux/i2c.h +F: include/linux/i2c-*.h +F: include/uapi/linux/i2c.h +F: include/uapi/linux/i2c-*.h + +I2C-TAOS-EVM DRIVER +M: Jean Delvare <jdelvare@suse.com> +L: linux-i2c@vger.kernel.org +S: Maintained +F: Documentation/i2c/busses/i2c-taos-evm +F: drivers/i2c/busses/i2c-taos-evm.c + +I2C-TINY-USB DRIVER +M: Till Harbaum <till@harbaum.org> +L: linux-i2c@vger.kernel.org +W: http://www.harbaum.org/till/i2c_tiny_usb +S: Maintained +F: drivers/i2c/busses/i2c-tiny-usb.c + I2C/SMBUS CONTROLLER DRIVERS FOR PC M: Jean Delvare <jdelvare@suse.com> L: linux-i2c@vger.kernel.org @@ -6379,43 +6376,6 @@ L: linux-i2c@vger.kernel.org S: Maintained F: drivers/i2c/i2c-stub.c -I2C SUBSYSTEM -M: Wolfram Sang <wsa@the-dreams.de> -L: linux-i2c@vger.kernel.org -W: https://i2c.wiki.kernel.org/ -Q: https://patchwork.ozlabs.org/project/linux-i2c/list/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git -S: Maintained -F: Documentation/devicetree/bindings/i2c/ -F: Documentation/i2c/ -F: drivers/i2c/ -F: drivers/i2c/*/ -F: include/linux/i2c.h -F: include/linux/i2c-*.h -F: include/uapi/linux/i2c.h -F: include/uapi/linux/i2c-*.h - -I2C ACPI SUPPORT -M: Mika Westerberg <mika.westerberg@linux.intel.com> -L: linux-i2c@vger.kernel.org -L: linux-acpi@vger.kernel.org -S: Maintained -F: drivers/i2c/i2c-core-acpi.c - -I2C-TAOS-EVM DRIVER -M: Jean Delvare <jdelvare@suse.com> -L: linux-i2c@vger.kernel.org -S: Maintained -F: Documentation/i2c/busses/i2c-taos-evm -F: drivers/i2c/busses/i2c-taos-evm.c - -I2C-TINY-USB DRIVER -M: Till Harbaum <till@harbaum.org> -L: linux-i2c@vger.kernel.org -W: http://www.harbaum.org/till/i2c_tiny_usb -S: Maintained -F: drivers/i2c/busses/i2c-tiny-usb.c - i386 BOOT CODE M: "H. Peter Anvin" <hpa@zytor.com> S: Maintained @@ -6434,17 +6394,15 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux.git S: Maintained F: arch/ia64/ -IBM Power VMX Cryptographic instructions -M: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com> -M: Paulo Flabiano Smorigo <pfsmorigo@linux.vnet.ibm.com> -L: linux-crypto@vger.kernel.org +IBM Power 842 compression accelerator +M: Haren Myneni <haren@us.ibm.com> S: Supported -F: drivers/crypto/vmx/Makefile -F: drivers/crypto/vmx/Kconfig -F: drivers/crypto/vmx/vmx.c -F: drivers/crypto/vmx/aes* -F: drivers/crypto/vmx/ghash* -F: drivers/crypto/vmx/ppc-xlate.pl +F: drivers/crypto/nx/Makefile +F: drivers/crypto/nx/Kconfig +F: drivers/crypto/nx/nx-842* +F: include/linux/sw842.h +F: crypto/842.c +F: lib/842/ IBM Power in-Nest Crypto Acceleration M: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com> @@ -6459,33 +6417,29 @@ F: drivers/crypto/nx/nx.* F: drivers/crypto/nx/nx_csbcpb.h F: drivers/crypto/nx/nx_debugfs.h -IBM Power 842 compression accelerator -M: Haren Myneni <haren@us.ibm.com> -S: Supported -F: drivers/crypto/nx/Makefile -F: drivers/crypto/nx/Kconfig -F: drivers/crypto/nx/nx-842* -F: include/linux/sw842.h -F: crypto/842.c -F: lib/842/ - IBM Power Linux RAID adapter M: Brian King <brking@us.ibm.com> S: Supported F: drivers/scsi/ipr.* -IBM Power Virtual Ethernet Device Driver +IBM Power SRIOV Virtual NIC Device Driver M: Thomas Falcon <tlfalcon@linux.vnet.ibm.com> +M: John Allen <jallen@linux.vnet.ibm.com> L: netdev@vger.kernel.org S: Supported -F: drivers/net/ethernet/ibm/ibmveth.* +F: drivers/net/ethernet/ibm/ibmvnic.* -IBM Power SRIOV Virtual NIC Device Driver +IBM Power Virtual Ethernet Device Driver M: Thomas Falcon <tlfalcon@linux.vnet.ibm.com> -M: John Allen <jallen@linux.vnet.ibm.com> L: netdev@vger.kernel.org S: Supported -F: drivers/net/ethernet/ibm/ibmvnic.* +F: drivers/net/ethernet/ibm/ibmveth.* + +IBM Power Virtual FC Device Drivers +M: Tyrel Datwyler <tyreld@linux.vnet.ibm.com> +L: linux-scsi@vger.kernel.org +S: Supported +F: drivers/scsi/ibmvscsi/ibmvfc* IBM Power Virtual SCSI Device Drivers M: Tyrel Datwyler <tyreld@linux.vnet.ibm.com> @@ -6502,11 +6456,17 @@ L: target-devel@vger.kernel.org S: Supported F: drivers/scsi/ibmvscsi_tgt/ -IBM Power Virtual FC Device Drivers -M: Tyrel Datwyler <tyreld@linux.vnet.ibm.com> -L: linux-scsi@vger.kernel.org +IBM Power VMX Cryptographic instructions +M: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com> +M: Paulo Flabiano Smorigo <pfsmorigo@linux.vnet.ibm.com> +L: linux-crypto@vger.kernel.org S: Supported -F: drivers/scsi/ibmvscsi/ibmvfc* +F: drivers/crypto/vmx/Makefile +F: drivers/crypto/vmx/Kconfig +F: drivers/crypto/vmx/vmx.c +F: drivers/crypto/vmx/aes* +F: drivers/crypto/vmx/ghash* +F: drivers/crypto/vmx/ppc-xlate.pl IBM ServeRAID RAID DRIVER S: Orphan @@ -6518,11 +6478,6 @@ S: Maintained F: drivers/mfd/lpc_ich.c F: drivers/gpio/gpio-ich.c -IDT VersaClock 5 CLOCK DRIVER -M: Marek Vasut <marek.vasut@gmail.com> -S: Maintained -F: drivers/clk/clk-versaclock5.c - IDE SUBSYSTEM M: "David S. Miller" <davem@davemloft.net> L: linux-ide@vger.kernel.org @@ -6533,6 +6488,13 @@ F: Documentation/ide/ F: drivers/ide/ F: include/linux/ide.h +IDE/ATAPI DRIVERS +M: Borislav Petkov <bp@alien8.de> +L: linux-ide@vger.kernel.org +S: Maintained +F: Documentation/cdrom/ide-cd +F: drivers/ide/ide-cd* + IDEAPAD LAPTOP EXTRAS DRIVER M: Ike Panhc <ike.pan@canonical.com> L: platform-driver-x86@vger.kernel.org @@ -6547,12 +6509,10 @@ W: https://github.com/o2genum/ideapad-slidebar S: Maintained F: drivers/input/misc/ideapad_slidebar.c -IDE/ATAPI DRIVERS -M: Borislav Petkov <bp@alien8.de> -L: linux-ide@vger.kernel.org +IDT VersaClock 5 CLOCK DRIVER +M: Marek Vasut <marek.vasut@gmail.com> S: Maintained -F: Documentation/cdrom/ide-cd -F: drivers/ide/ide-cd* +F: drivers/clk/clk-versaclock5.c IEEE 802.15.4 SUBSYSTEM M: Alexander Aring <alex.aring@gmail.com> @@ -6642,6 +6602,16 @@ S: Maintained F: Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt F: drivers/auxdisplay/img-ascii-lcd.c +IMGTEC IR DECODER DRIVER +M: James Hogan <james.hogan@imgtec.com> +S: Maintained +F: drivers/media/rc/img-ir/ + +IMS TWINTURBO FRAMEBUFFER DRIVER +L: linux-fbdev@vger.kernel.org +S: Orphan +F: drivers/video/fbdev/imsttfb.c + INA209 HARDWARE MONITOR DRIVER M: Guenter Roeck <linux@roeck-us.net> L: linux-hwmon@vger.kernel.org @@ -6667,37 +6637,6 @@ W: http://industrypack.sourceforge.net S: Maintained F: drivers/ipack/ -INGENIC JZ4780 DMA Driver -M: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> -S: Maintained -F: drivers/dma/dma-jz4780.c - -INGENIC JZ4780 NAND DRIVER -M: Harvey Hunt <harveyhuntnexus@gmail.com> -L: linux-mtd@lists.infradead.org -S: Maintained -F: drivers/mtd/nand/jz4780_* - -INTEGRITY MEASUREMENT ARCHITECTURE (IMA) -M: Mimi Zohar <zohar@linux.vnet.ibm.com> -M: Dmitry Kasatkin <dmitry.kasatkin@gmail.com> -L: linux-ima-devel@lists.sourceforge.net -L: linux-ima-user@lists.sourceforge.net -L: linux-security-module@vger.kernel.org -T: git git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git -S: Supported -F: security/integrity/ima/ - -IMGTEC IR DECODER DRIVER -M: James Hogan <james.hogan@imgtec.com> -S: Maintained -F: drivers/media/rc/img-ir/ - -IMS TWINTURBO FRAMEBUFFER DRIVER -L: linux-fbdev@vger.kernel.org -S: Orphan -F: drivers/video/fbdev/imsttfb.c - INFINIBAND SUBSYSTEM M: Doug Ledford <dledford@redhat.com> M: Sean Hefty <sean.hefty@intel.com> @@ -6714,6 +6653,17 @@ F: include/uapi/linux/if_infiniband.h F: include/uapi/rdma/ F: include/rdma/ +INGENIC JZ4780 DMA Driver +M: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> +S: Maintained +F: drivers/dma/dma-jz4780.c + +INGENIC JZ4780 NAND DRIVER +M: Harvey Hunt <harveyhuntnexus@gmail.com> +L: linux-mtd@lists.infradead.org +S: Maintained +F: drivers/mtd/nand/jz4780_* + INOTIFY M: John McCutchan <john@johnmccutchan.com> M: Robert Love <rlove@rlove.org> @@ -6752,6 +6702,22 @@ F: drivers/crypto/inside-secure/ S: Maintained L: linux-crypto@vger.kernel.org +INTEGRITY MEASUREMENT ARCHITECTURE (IMA) +M: Mimi Zohar <zohar@linux.vnet.ibm.com> +M: Dmitry Kasatkin <dmitry.kasatkin@gmail.com> +L: linux-ima-devel@lists.sourceforge.net +L: linux-ima-user@lists.sourceforge.net +L: linux-security-module@vger.kernel.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git +S: Supported +F: security/integrity/ima/ + +INTEL 810/815 FRAMEBUFFER DRIVER +M: Antonino Daplas <adaplas@gmail.com> +L: linux-fbdev@vger.kernel.org +S: Maintained +F: drivers/video/fbdev/i810/ + INTEL ASoC BDW/HSW DRIVERS M: Jie Yang <yang.jie@linux.intel.com> L: alsa-devel@alsa-project.org (moderated for non-subscribers) @@ -6769,17 +6735,74 @@ T: git git://git.code.sf.net/p/intel-sas/isci S: Supported F: drivers/scsi/isci/ +INTEL DRM DRIVERS (excluding Poulsbo, Moorestown and derivative chipsets) +M: Daniel Vetter <daniel.vetter@intel.com> +M: Jani Nikula <jani.nikula@linux.intel.com> +L: intel-gfx@lists.freedesktop.org +W: https://01.org/linuxgraphics/ +B: https://01.org/linuxgraphics/documentation/how-report-bugs +C: irc://chat.freenode.net/intel-gfx +Q: http://patchwork.freedesktop.org/project/intel-gfx/ +T: git git://anongit.freedesktop.org/drm-intel +S: Supported +F: drivers/gpu/drm/i915/ +F: include/drm/i915* +F: include/uapi/drm/i915_drm.h +F: Documentation/gpu/i915.rst + +INTEL ETHERNET DRIVERS +M: Jeff Kirsher <jeffrey.t.kirsher@intel.com> +L: intel-wired-lan@lists.osuosl.org (moderated for non-subscribers) +W: http://www.intel.com/support/feedback.htm +W: http://e1000.sourceforge.net/ +Q: http://patchwork.ozlabs.org/project/intel-wired-lan/list/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue.git +S: Supported +F: Documentation/networking/e100.txt +F: Documentation/networking/e1000.txt +F: Documentation/networking/e1000e.txt +F: Documentation/networking/igb.txt +F: Documentation/networking/igbvf.txt +F: Documentation/networking/ixgb.txt +F: Documentation/networking/ixgbe.txt +F: Documentation/networking/ixgbevf.txt +F: Documentation/networking/i40e.txt +F: Documentation/networking/i40evf.txt +F: drivers/net/ethernet/intel/ +F: drivers/net/ethernet/intel/*/ +F: include/linux/avf/virtchnl.h + +INTEL FRAMEBUFFER DRIVER (excluding 810 and 815) +M: Maik Broemme <mbroemme@libmpq.org> +L: linux-fbdev@vger.kernel.org +S: Maintained +F: Documentation/fb/intelfb.txt +F: drivers/video/fbdev/intelfb/ + +INTEL GVT-g DRIVERS (Intel GPU Virtualization) +M: Zhenyu Wang <zhenyuw@linux.intel.com> +M: Zhi Wang <zhi.a.wang@intel.com> +L: intel-gvt-dev@lists.freedesktop.org +L: intel-gfx@lists.freedesktop.org +W: https://01.org/igvt-g +T: git https://github.com/01org/gvt-linux.git +S: Supported +F: drivers/gpu/drm/i915/gvt/ + INTEL HID EVENT DRIVER M: Alex Hung <alex.hung@canonical.com> L: platform-driver-x86@vger.kernel.org S: Maintained F: drivers/platform/x86/intel-hid.c -INTEL VIRTUAL BUTTON DRIVER -M: AceLan Kao <acelan.kao@canonical.com> -L: platform-driver-x86@vger.kernel.org -S: Maintained -F: drivers/platform/x86/intel-vbtn.c +INTEL I/OAT DMA DRIVER +M: Dave Jiang <dave.jiang@intel.com> +R: Dan Williams <dan.j.williams@intel.com> +L: dmaengine@vger.kernel.org +Q: https://patchwork.kernel.org/project/linux-dmaengine/list/ +S: Supported +F: drivers/dma/ioat* INTEL IDLE DRIVER M: Jacob Pan <jacob.jun.pan@linux.intel.com> @@ -6797,41 +6820,6 @@ L: linux-input@vger.kernel.org S: Maintained F: drivers/hid/intel-ish-hid/ -INTEL PSTATE DRIVER -M: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> -M: Len Brown <lenb@kernel.org> -L: linux-pm@vger.kernel.org -S: Supported -F: drivers/cpufreq/intel_pstate.c - -INTEL FRAMEBUFFER DRIVER (excluding 810 and 815) -M: Maik Broemme <mbroemme@libmpq.org> -L: linux-fbdev@vger.kernel.org -S: Maintained -F: Documentation/fb/intelfb.txt -F: drivers/video/fbdev/intelfb/ - -INTEL 810/815 FRAMEBUFFER DRIVER -M: Antonino Daplas <adaplas@gmail.com> -L: linux-fbdev@vger.kernel.org -S: Maintained -F: drivers/video/fbdev/i810/ - -INTEL MENLOW THERMAL DRIVER -M: Sujith Thomas <sujith.thomas@intel.com> -L: platform-driver-x86@vger.kernel.org -W: https://01.org/linux-acpi -S: Supported -F: drivers/platform/x86/intel_menlow.c - -INTEL I/OAT DMA DRIVER -M: Dave Jiang <dave.jiang@intel.com> -R: Dan Williams <dan.j.williams@intel.com> -L: dmaengine@vger.kernel.org -Q: https://patchwork.kernel.org/project/linux-dmaengine/list/ -S: Supported -F: drivers/dma/ioat* - INTEL IOMMU (VT-d) M: David Woodhouse <dwmw2@infradead.org> L: iommu@lists.linux-foundation.org @@ -6860,35 +6848,23 @@ M: Deepak Saxena <dsaxena@plexity.net> S: Maintained F: drivers/char/hw_random/ixp4xx-rng.c -INTEL ETHERNET DRIVERS -M: Jeff Kirsher <jeffrey.t.kirsher@intel.com> -L: intel-wired-lan@lists.osuosl.org (moderated for non-subscribers) -W: http://www.intel.com/support/feedback.htm -W: http://e1000.sourceforge.net/ -Q: http://patchwork.ozlabs.org/project/intel-wired-lan/list/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue.git -T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue.git +INTEL MANAGEMENT ENGINE (mei) +M: Tomas Winkler <tomas.winkler@intel.com> +L: linux-kernel@vger.kernel.org S: Supported -F: Documentation/networking/e100.txt -F: Documentation/networking/e1000.txt -F: Documentation/networking/e1000e.txt -F: Documentation/networking/igb.txt -F: Documentation/networking/igbvf.txt -F: Documentation/networking/ixgb.txt -F: Documentation/networking/ixgbe.txt -F: Documentation/networking/ixgbevf.txt -F: Documentation/networking/i40e.txt -F: Documentation/networking/i40evf.txt -F: drivers/net/ethernet/intel/ -F: drivers/net/ethernet/intel/*/ -F: include/linux/avf/virtchnl.h +F: include/uapi/linux/mei.h +F: include/linux/mei_cl_bus.h +F: drivers/misc/mei/* +F: drivers/watchdog/mei_wdt.c +F: Documentation/misc-devices/mei/* +F: samples/mei/* -INTEL RDMA RNIC DRIVER -M: Faisal Latif <faisal.latif@intel.com> -M: Shiraz Saleem <shiraz.saleem@intel.com> -L: linux-rdma@vger.kernel.org -S: Supported -F: drivers/infiniband/hw/i40iw/ +INTEL MENLOW THERMAL DRIVER +M: Sujith Thomas <sujith.thomas@intel.com> +L: platform-driver-x86@vger.kernel.org +W: https://01.org/linux-acpi +S: Supported +F: drivers/platform/x86/intel_menlow.c INTEL MERRIFIELD GPIO DRIVER M: Andy Shevchenko <andriy.shevchenko@linux.intel.com> @@ -6896,11 +6872,38 @@ L: linux-gpio@vger.kernel.org S: Maintained F: drivers/gpio/gpio-merrifield.c -INTEL-MID GPIO DRIVER -M: David Cohen <david.a.cohen@linux.intel.com> -L: linux-gpio@vger.kernel.org +INTEL MIC DRIVERS (mic) +M: Sudeep Dutt <sudeep.dutt@intel.com> +M: Ashutosh Dixit <ashutosh.dixit@intel.com> +S: Supported +W: https://github.com/sudeepdutt/mic +W: http://software.intel.com/en-us/mic-developer +F: include/linux/mic_bus.h +F: include/linux/scif.h +F: include/uapi/linux/mic_common.h +F: include/uapi/linux/mic_ioctl.h +F: include/uapi/linux/scif_ioctl.h +F: drivers/misc/mic/ +F: drivers/dma/mic_x100_dma.c +F: drivers/dma/mic_x100_dma.h +F: Documentation/mic/ + +INTEL PMC CORE DRIVER +M: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com> +M: Vishwanath Somayaji <vishwanath.somayaji@intel.com> +L: platform-driver-x86@vger.kernel.org S: Maintained -F: drivers/gpio/gpio-intel-mid.c +F: arch/x86/include/asm/pmc_core.h +F: drivers/platform/x86/intel_pmc_core* + +INTEL PMC/P-Unit IPC DRIVER +M: Zha Qipeng<qipeng.zha@intel.com> +L: platform-driver-x86@vger.kernel.org +S: Maintained +F: drivers/platform/x86/intel_pmc_ipc.c +F: drivers/platform/x86/intel_punit_ipc.c +F: arch/x86/include/asm/intel_pmc_ipc.h +F: arch/x86/include/asm/intel_punit_ipc.h INTEL PRO/WIRELESS 2100, 2200BG, 2915ABG NETWORK CONNECTION SUPPORT M: Stanislav Yakovlev <stas.yakovlev@gmail.com> @@ -6910,31 +6913,32 @@ F: Documentation/networking/README.ipw2100 F: Documentation/networking/README.ipw2200 F: drivers/net/wireless/intel/ipw2x00/ -INTEL(R) TRACE HUB -M: Alexander Shishkin <alexander.shishkin@linux.intel.com> +INTEL PSTATE DRIVER +M: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> +M: Len Brown <lenb@kernel.org> +L: linux-pm@vger.kernel.org S: Supported -F: Documentation/trace/intel_th.txt -F: drivers/hwtracing/intel_th/ +F: drivers/cpufreq/intel_pstate.c -INTEL(R) TRUSTED EXECUTION TECHNOLOGY (TXT) -M: Ning Sun <ning.sun@intel.com> -L: tboot-devel@lists.sourceforge.net -W: http://tboot.sourceforge.net -T: hg http://tboot.hg.sourceforge.net:8000/hgroot/tboot/tboot +INTEL RDMA RNIC DRIVER +M: Faisal Latif <faisal.latif@intel.com> +M: Shiraz Saleem <shiraz.saleem@intel.com> +L: linux-rdma@vger.kernel.org S: Supported -F: Documentation/intel_txt.txt -F: include/linux/tboot.h -F: arch/x86/kernel/tboot.c +F: drivers/infiniband/hw/i40iw/ -INTEL WIRELESS WIMAX CONNECTION 2400 -M: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> -M: linux-wimax@intel.com -L: wimax@linuxwimax.org (subscribers-only) -S: Supported -W: http://linuxwimax.org -F: Documentation/wimax/README.i2400m -F: drivers/net/wimax/i2400m/ -F: include/uapi/linux/wimax/i2400m.h +INTEL TELEMETRY DRIVER +M: Souvik Kumar Chakravarty <souvik.k.chakravarty@intel.com> +L: platform-driver-x86@vger.kernel.org +S: Maintained +F: arch/x86/include/asm/intel_telemetry.h +F: drivers/platform/x86/intel_telemetry* + +INTEL VIRTUAL BUTTON DRIVER +M: AceLan Kao <acelan.kao@canonical.com> +L: platform-driver-x86@vger.kernel.org +S: Maintained +F: drivers/platform/x86/intel-vbtn.c INTEL WIRELESS 3945ABG/BG, 4965AGN (iwlegacy) M: Stanislaw Gruszka <sgruszka@redhat.com> @@ -6953,56 +6957,37 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi.git S: Supported F: drivers/net/wireless/intel/iwlwifi/ -INTEL MANAGEMENT ENGINE (mei) -M: Tomas Winkler <tomas.winkler@intel.com> -L: linux-kernel@vger.kernel.org +INTEL WIRELESS WIMAX CONNECTION 2400 +M: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> +M: linux-wimax@intel.com +L: wimax@linuxwimax.org (subscribers-only) S: Supported -F: include/uapi/linux/mei.h -F: include/linux/mei_cl_bus.h -F: drivers/misc/mei/* -F: drivers/watchdog/mei_wdt.c -F: Documentation/misc-devices/mei/* -F: samples/mei/* +W: http://linuxwimax.org +F: Documentation/wimax/README.i2400m +F: drivers/net/wimax/i2400m/ +F: include/uapi/linux/wimax/i2400m.h -INTEL MIC DRIVERS (mic) -M: Sudeep Dutt <sudeep.dutt@intel.com> -M: Ashutosh Dixit <ashutosh.dixit@intel.com> +INTEL(R) TRACE HUB +M: Alexander Shishkin <alexander.shishkin@linux.intel.com> S: Supported -W: https://github.com/sudeepdutt/mic -W: http://software.intel.com/en-us/mic-developer -F: include/linux/mic_bus.h -F: include/linux/scif.h -F: include/uapi/linux/mic_common.h -F: include/uapi/linux/mic_ioctl.h -F: include/uapi/linux/scif_ioctl.h -F: drivers/misc/mic/ -F: drivers/dma/mic_x100_dma.c -F: drivers/dma/mic_x100_dma.h -F: Documentation/mic/ - -INTEL PMC/P-Unit IPC DRIVER -M: Zha Qipeng<qipeng.zha@intel.com> -L: platform-driver-x86@vger.kernel.org -S: Maintained -F: drivers/platform/x86/intel_pmc_ipc.c -F: drivers/platform/x86/intel_punit_ipc.c -F: arch/x86/include/asm/intel_pmc_ipc.h -F: arch/x86/include/asm/intel_punit_ipc.h +F: Documentation/trace/intel_th.txt +F: drivers/hwtracing/intel_th/ -INTEL TELEMETRY DRIVER -M: Souvik Kumar Chakravarty <souvik.k.chakravarty@intel.com> -L: platform-driver-x86@vger.kernel.org -S: Maintained -F: arch/x86/include/asm/intel_telemetry.h -F: drivers/platform/x86/intel_telemetry* +INTEL(R) TRUSTED EXECUTION TECHNOLOGY (TXT) +M: Ning Sun <ning.sun@intel.com> +L: tboot-devel@lists.sourceforge.net +W: http://tboot.sourceforge.net +T: hg http://tboot.hg.sourceforge.net:8000/hgroot/tboot/tboot +S: Supported +F: Documentation/intel_txt.txt +F: include/linux/tboot.h +F: arch/x86/kernel/tboot.c -INTEL PMC CORE DRIVER -M: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com> -M: Vishwanath Somayaji <vishwanath.somayaji@intel.com> -L: platform-driver-x86@vger.kernel.org +INTEL-MID GPIO DRIVER +M: David Cohen <david.a.cohen@linux.intel.com> +L: linux-gpio@vger.kernel.org S: Maintained -F: arch/x86/include/asm/pmc_core.h -F: drivers/platform/x86/intel_pmc_core* +F: drivers/gpio/gpio-intel-mid.c INVENSENSE MPU-3050 GYROSCOPE DRIVER M: Linus Walleij <linus.walleij@linaro.org> @@ -7048,13 +7033,6 @@ F: drivers/char/ipmi/ F: include/linux/ipmi* F: include/uapi/linux/ipmi* -QCOM AUDIO (ASoC) DRIVERS -M: Patrick Lai <plai@codeaurora.org> -M: Banajit Goswami <bgoswami@codeaurora.org> -L: alsa-devel@alsa-project.org (moderated for non-subscribers) -S: Supported -F: sound/soc/qcom/ - IPS SCSI RAID DRIVER M: Adaptec OEM Raid Solutions <aacraid@adaptec.com> L: linux-scsi@vger.kernel.org @@ -7101,6 +7079,15 @@ F: drivers/net/irda/ F: include/net/irda/ F: net/irda/ +IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY) +M: Marc Zyngier <marc.zyngier@arm.com> +S: Maintained +T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core +F: Documentation/IRQ-domain.txt +F: include/linux/irqdomain.h +F: kernel/irq/irqdomain.c +F: kernel/irq/msi.c + IRQ SUBSYSTEM M: Thomas Gleixner <tglx@linutronix.de> L: linux-kernel@vger.kernel.org @@ -7119,15 +7106,6 @@ T: git git://git.infradead.org/users/jcooper/linux.git irqchip/core F: Documentation/devicetree/bindings/interrupt-controller/ F: drivers/irqchip/ -IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY) -M: Marc Zyngier <marc.zyngier@arm.com> -S: Maintained -T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core -F: Documentation/IRQ-domain.txt -F: include/linux/irqdomain.h -F: kernel/irq/irqdomain.c -F: kernel/irq/msi.c - ISA M: William Breathitt Gray <vilhelm.gray@gmail.com> S: Maintained @@ -7135,13 +7113,6 @@ F: Documentation/isa.txt F: drivers/base/isa.c F: include/linux/isa.h -ISAPNP -M: Jaroslav Kysela <perex@perex.cz> -S: Maintained -F: Documentation/isapnp.txt -F: drivers/pnp/isapnp/ -F: include/linux/isapnp.h - ISA RADIO MODULE M: Hans Verkuil <hverkuil@xs4all.nl> L: linux-media@vger.kernel.org @@ -7150,11 +7121,12 @@ W: https://linuxtv.org S: Maintained F: drivers/media/radio/radio-isa* -iSCSI BOOT FIRMWARE TABLE (iBFT) DRIVER -M: Peter Jones <pjones@redhat.com> -M: Konrad Rzeszutek Wilk <konrad@kernel.org> +ISAPNP +M: Jaroslav Kysela <perex@perex.cz> S: Maintained -F: drivers/firmware/iscsi_ibft* +F: Documentation/isapnp.txt +F: drivers/pnp/isapnp/ +F: include/linux/isapnp.h ISCSI M: Lee Duncan <lduncan@suse.com> @@ -7165,6 +7137,12 @@ S: Maintained F: drivers/scsi/*iscsi* F: include/scsi/*iscsi* +iSCSI BOOT FIRMWARE TABLE (iBFT) DRIVER +M: Peter Jones <pjones@redhat.com> +M: Konrad Rzeszutek Wilk <konrad@kernel.org> +S: Maintained +F: drivers/firmware/iscsi_ibft* + ISCSI EXTENSIONS FOR RDMA (ISER) INITIATOR M: Or Gerlitz <ogerlitz@mellanox.com> M: Sagi Grimberg <sagi@grimberg.me> @@ -7420,27 +7398,6 @@ S: Maintained F: arch/x86/include/asm/svm.h F: arch/x86/kvm/svm.c -KERNEL VIRTUAL MACHINE (KVM) FOR POWERPC -M: Alexander Graf <agraf@suse.com> -L: kvm-ppc@vger.kernel.org -W: http://www.linux-kvm.org/ -T: git git://github.com/agraf/linux-2.6.git -S: Supported -F: arch/powerpc/include/asm/kvm* -F: arch/powerpc/kvm/ - -KERNEL VIRTUAL MACHINE for s390 (KVM/s390) -M: Christian Borntraeger <borntraeger@de.ibm.com> -M: Cornelia Huck <cohuck@redhat.com> -L: linux-s390@vger.kernel.org -W: http://www.ibm.com/developerworks/linux/linux390/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git -S: Supported -F: Documentation/s390/kvm.txt -F: arch/s390/include/asm/kvm* -F: arch/s390/kvm/ -F: arch/s390/mm/gmap.c - KERNEL VIRTUAL MACHINE (KVM) FOR ARM M: Christoffer Dall <christoffer.dall@linaro.org> M: Marc Zyngier <marc.zyngier@arm.com> @@ -7455,6 +7412,15 @@ F: arch/arm/kvm/ F: virt/kvm/arm/ F: include/kvm/arm_* +KERNEL VIRTUAL MACHINE (KVM) FOR POWERPC +M: Alexander Graf <agraf@suse.com> +L: kvm-ppc@vger.kernel.org +W: http://www.linux-kvm.org/ +T: git git://github.com/agraf/linux-2.6.git +S: Supported +F: arch/powerpc/include/asm/kvm* +F: arch/powerpc/kvm/ + KERNEL VIRTUAL MACHINE FOR ARM64 (KVM/arm64) M: Christoffer Dall <christoffer.dall@linaro.org> M: Marc Zyngier <marc.zyngier@arm.com> @@ -7473,6 +7439,18 @@ F: arch/mips/include/uapi/asm/kvm* F: arch/mips/include/asm/kvm* F: arch/mips/kvm/ +KERNEL VIRTUAL MACHINE for s390 (KVM/s390) +M: Christian Borntraeger <borntraeger@de.ibm.com> +M: Cornelia Huck <cohuck@redhat.com> +L: linux-s390@vger.kernel.org +W: http://www.ibm.com/developerworks/linux/linux390/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git +S: Supported +F: Documentation/s390/kvm.txt +F: arch/s390/include/asm/kvm* +F: arch/s390/kvm/ +F: arch/s390/mm/gmap.c + KERNFS M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> M: Tejun Heo <tj@kernel.org> @@ -7490,17 +7468,15 @@ F: include/linux/kexec.h F: include/uapi/linux/kexec.h F: kernel/kexec* -KEYS/KEYRINGS: -M: David Howells <dhowells@redhat.com> +KEYS-ENCRYPTED +M: Mimi Zohar <zohar@linux.vnet.ibm.com> +M: David Safford <safford@us.ibm.com> +L: linux-security-module@vger.kernel.org L: keyrings@vger.kernel.org -S: Maintained -F: Documentation/security/keys/core.rst -F: include/linux/key.h -F: include/linux/key-type.h -F: include/linux/keyctl.h -F: include/uapi/linux/keyctl.h -F: include/keys/ -F: security/keys/ +S: Supported +F: Documentation/security/keys/trusted-encrypted.rst +F: include/keys/encrypted-type.h +F: security/keys/encrypted-keys/ KEYS-TRUSTED M: David Safford <safford@us.ibm.com> @@ -7513,15 +7489,17 @@ F: include/keys/trusted-type.h F: security/keys/trusted.c F: security/keys/trusted.h -KEYS-ENCRYPTED -M: Mimi Zohar <zohar@linux.vnet.ibm.com> -M: David Safford <safford@us.ibm.com> -L: linux-security-module@vger.kernel.org +KEYS/KEYRINGS: +M: David Howells <dhowells@redhat.com> L: keyrings@vger.kernel.org -S: Supported -F: Documentation/security/keys/trusted-encrypted.rst -F: include/keys/encrypted-type.h -F: security/keys/encrypted-keys/ +S: Maintained +F: Documentation/security/keys/core.rst +F: include/linux/key.h +F: include/linux/key-type.h +F: include/linux/keyctl.h +F: include/uapi/linux/keyctl.h +F: include/keys/ +F: security/keys/ KGDB / KDB /debug_core M: Jason Wessel <jason.wessel@windriver.com> @@ -7665,16 +7643,6 @@ F: drivers/lguest/ F: include/linux/lguest*.h F: tools/lguest/ -LIBATA SUBSYSTEM (Serial and Parallel ATA drivers) -M: Tejun Heo <tj@kernel.org> -L: linux-ide@vger.kernel.org -T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git -S: Maintained -F: drivers/ata/ -F: include/linux/ata.h -F: include/linux/libata.h -F: Documentation/devicetree/bindings/ata/ - LIBATA PATA ARASAN COMPACT FLASH CONTROLLER M: Viresh Kumar <vireshk@kernel.org> L: linux-ide@vger.kernel.org @@ -7718,22 +7686,21 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git S: Maintained F: drivers/ata/sata_promise.* +LIBATA SUBSYSTEM (Serial and Parallel ATA drivers) +M: Tejun Heo <tj@kernel.org> +L: linux-ide@vger.kernel.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git +S: Maintained +F: drivers/ata/ +F: include/linux/ata.h +F: include/linux/libata.h +F: Documentation/devicetree/bindings/ata/ + LIBLOCKDEP M: Sasha Levin <alexander.levin@verizon.com> S: Maintained F: tools/lib/lockdep/ -LIBNVDIMM: NON-VOLATILE MEMORY DEVICE SUBSYSTEM -M: Dan Williams <dan.j.williams@intel.com> -L: linux-nvdimm@lists.01.org -Q: https://patchwork.kernel.org/project/linux-nvdimm/list/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git -S: Supported -F: drivers/nvdimm/* -F: include/linux/nd.h -F: include/linux/libnvdimm.h -F: include/uapi/linux/ndctl.h - LIBNVDIMM BLK: MMIO-APERTURE DRIVER M: Ross Zwisler <ross.zwisler@linux.intel.com> L: linux-nvdimm@lists.01.org @@ -7741,7 +7708,6 @@ Q: https://patchwork.kernel.org/project/linux-nvdimm/list/ S: Supported F: drivers/nvdimm/blk.c F: drivers/nvdimm/region_devs.c -F: drivers/acpi/nfit* LIBNVDIMM BTT: BLOCK TRANSLATION TABLE M: Vishal Verma <vishal.l.verma@intel.com> @@ -7757,6 +7723,18 @@ Q: https://patchwork.kernel.org/project/linux-nvdimm/list/ S: Supported F: drivers/nvdimm/pmem* +LIBNVDIMM: NON-VOLATILE MEMORY DEVICE SUBSYSTEM +M: Dan Williams <dan.j.williams@intel.com> +L: linux-nvdimm@lists.01.org +Q: https://patchwork.kernel.org/project/linux-nvdimm/list/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git +S: Supported +F: drivers/nvdimm/* +F: drivers/acpi/nfit/* +F: include/linux/nd.h +F: include/linux/libnvdimm.h +F: include/uapi/linux/ndctl.h + LIGHTNVM PLATFORM SUPPORT M: Matias Bjorling <mb@lightnvm.io> W: http://github/OpenChannelSSD @@ -7766,6 +7744,14 @@ F: drivers/lightnvm/ F: include/linux/lightnvm.h F: include/uapi/linux/lightnvm.h +LINUX FOR POWER MACINTOSH +M: Benjamin Herrenschmidt <benh@kernel.crashing.org> +W: http://www.penguinppc.org/ +L: linuxppc-dev@lists.ozlabs.org +S: Maintained +F: arch/powerpc/platforms/powermac/ +F: drivers/macintosh/ + LINUX FOR POWERPC (32-BIT AND 64-BIT) M: Benjamin Herrenschmidt <benh@kernel.crashing.org> M: Paul Mackerras <paulus@samba.org> @@ -7799,14 +7785,6 @@ N: powernv N: [^a-z0-9]ps3 N: pseries -LINUX FOR POWER MACINTOSH -M: Benjamin Herrenschmidt <benh@kernel.crashing.org> -W: http://www.penguinppc.org/ -L: linuxppc-dev@lists.ozlabs.org -S: Maintained -F: arch/powerpc/platforms/powermac/ -F: drivers/macintosh/ - LINUX FOR POWERPC EMBEDDED MPC5XXX M: Anatolij Gustschin <agust@denx.de> L: linuxppc-dev@lists.ozlabs.org @@ -7824,19 +7802,6 @@ S: Maintained F: arch/powerpc/platforms/40x/ F: arch/powerpc/platforms/44x/ -LINUX FOR POWERPC EMBEDDED XILINX VIRTEX -L: linuxppc-dev@lists.ozlabs.org -S: Orphan -F: arch/powerpc/*/*virtex* -F: arch/powerpc/*/*/*virtex* - -LINUX FOR POWERPC EMBEDDED PPC8XX -M: Vitaly Bordug <vitb@kernel.crashing.org> -W: http://www.penguinppc.org/ -L: linuxppc-dev@lists.ozlabs.org -S: Maintained -F: arch/powerpc/platforms/8xx/ - LINUX FOR POWERPC EMBEDDED PPC83XX AND PPC85XX M: Scott Wood <oss@buserror.net> M: Kumar Gala <galak@kernel.crashing.org> @@ -7848,6 +7813,19 @@ F: arch/powerpc/platforms/83xx/ F: arch/powerpc/platforms/85xx/ F: Documentation/devicetree/bindings/powerpc/fsl/ +LINUX FOR POWERPC EMBEDDED PPC8XX +M: Vitaly Bordug <vitb@kernel.crashing.org> +W: http://www.penguinppc.org/ +L: linuxppc-dev@lists.ozlabs.org +S: Maintained +F: arch/powerpc/platforms/8xx/ + +LINUX FOR POWERPC EMBEDDED XILINX VIRTEX +L: linuxppc-dev@lists.ozlabs.org +S: Orphan +F: arch/powerpc/*/*virtex* +F: arch/powerpc/*/*/*virtex* + LINUX FOR POWERPC PA SEMI PWRFICIENT L: linuxppc-dev@lists.ozlabs.org S: Orphan @@ -7855,6 +7833,11 @@ F: arch/powerpc/platforms/pasemi/ F: drivers/*/*pasemi* F: drivers/*/*/*pasemi* +LINUX KERNEL DUMP TEST MODULE (LKDTM) +M: Kees Cook <keescook@chromium.org> +S: Maintained +F: drivers/misc/lkdtm* + LINUX SECURITY MODULE (LSM) FRAMEWORK M: Chris Wright <chrisw@sous-sol.org> L: linux-security-module@vger.kernel.org @@ -7884,11 +7867,6 @@ F: samples/livepatch/ L: live-patching@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching.git -LINUX KERNEL DUMP TEST MODULE (LKDTM) -M: Kees Cook <keescook@chromium.org> -S: Maintained -F: drivers/misc/lkdtm* - LLC (802.2) L: netdev@vger.kernel.org S: Odd fixes @@ -7941,6 +7919,13 @@ Q: http://patchwork.linuxtv.org/project/linux-media/list/ S: Maintained F: drivers/media/usb/dvb-usb-v2/lmedm04* +LOADPIN SECURITY MODULE +M: Kees Cook <keescook@chromium.org> +T: git git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git lsm/loadpin +S: Supported +F: security/loadpin/ +F: Documentation/admin-guide/LSM/LoadPin.rst + LOCKING PRIMITIVES M: Peter Zijlstra <peterz@infradead.org> M: Ingo Molnar <mingo@redhat.com> @@ -8231,14 +8216,6 @@ S: Maintained F: Documentation/devicetree/bindings/sound/max9860.txt F: sound/soc/codecs/max9860.* -MAXIM MUIC CHARGER DRIVERS FOR EXYNOS BASED BOARDS -M: Krzysztof Kozlowski <krzk@kernel.org> -M: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> -L: linux-pm@vger.kernel.org -S: Supported -F: drivers/power/supply/max14577_charger.c -F: drivers/power/supply/max77693_charger.c - MAXIM MAX77802 PMIC REGULATOR DEVICE DRIVER M: Javier Martinez Canillas <javier@dowhile0.org> L: linux-kernel@vger.kernel.org @@ -8247,6 +8224,14 @@ F: drivers/regulator/max77802-regulator.c F: Documentation/devicetree/bindings/*/*max77802.txt F: include/dt-bindings/*/*max77802.h +MAXIM MUIC CHARGER DRIVERS FOR EXYNOS BASED BOARDS +M: Krzysztof Kozlowski <krzk@kernel.org> +M: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> +L: linux-pm@vger.kernel.org +S: Supported +F: drivers/power/supply/max14577_charger.c +F: drivers/power/supply/max77693_charger.c + MAXIM PMIC AND MUIC DRIVERS FOR EXYNOS BASED BOARDS M: Chanwoo Choi <cw00.choi@samsung.com> M: Krzysztof Kozlowski <krzk@kernel.org> @@ -8289,14 +8274,25 @@ L: linux-iio@vger.kernel.org S: Maintained F: drivers/iio/dac/cio-dac.c -MEDIA DRIVERS FOR RENESAS - DRIF -M: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com> +MEDIA DRIVERS FOR ASCOT2E +M: Sergey Kozlov <serjk@netup.ru> +M: Abylay Ospan <aospan@netup.ru> L: linux-media@vger.kernel.org -L: linux-renesas-soc@vger.kernel.org +W: https://linuxtv.org +W: http://netup.tv/ T: git git://linuxtv.org/media_tree.git S: Supported -F: Documentation/devicetree/bindings/media/renesas,drif.txt -F: drivers/media/platform/rcar_drif.c +F: drivers/media/dvb-frontends/ascot2e* + +MEDIA DRIVERS FOR CXD2841ER +M: Sergey Kozlov <serjk@netup.ru> +M: Abylay Ospan <aospan@netup.ru> +L: linux-media@vger.kernel.org +W: https://linuxtv.org +W: http://netup.tv/ +T: git git://linuxtv.org/media_tree.git +S: Supported +F: drivers/media/dvb-frontends/cxd2841er* MEDIA DRIVERS FOR FREESCALE IMX M: Steve Longerbeam <slongerbeam@gmail.com> @@ -8310,43 +8306,6 @@ F: drivers/staging/media/imx/ F: include/linux/imx-media.h F: include/media/imx.h -MEDIA DRIVERS FOR RENESAS - FCP -M: Laurent Pinchart <laurent.pinchart@ideasonboard.com> -L: linux-media@vger.kernel.org -L: linux-renesas-soc@vger.kernel.org -T: git git://linuxtv.org/media_tree.git -S: Supported -F: Documentation/devicetree/bindings/media/renesas,fcp.txt -F: drivers/media/platform/rcar-fcp.c -F: include/media/rcar-fcp.h - -MEDIA DRIVERS FOR RENESAS - FDP1 -M: Kieran Bingham <kieran@bingham.xyz> -L: linux-media@vger.kernel.org -L: linux-renesas-soc@vger.kernel.org -T: git git://linuxtv.org/media_tree.git -S: Supported -F: Documentation/devicetree/bindings/media/renesas,fdp1.txt -F: drivers/media/platform/rcar_fdp1.c - -MEDIA DRIVERS FOR RENESAS - VIN -M: Niklas Söderlund <niklas.soderlund@ragnatech.se> -L: linux-media@vger.kernel.org -L: linux-renesas-soc@vger.kernel.org -T: git git://linuxtv.org/media_tree.git -S: Supported -F: Documentation/devicetree/bindings/media/rcar_vin.txt -F: drivers/media/platform/rcar-vin/ - -MEDIA DRIVERS FOR RENESAS - VSP1 -M: Laurent Pinchart <laurent.pinchart@ideasonboard.com> -L: linux-media@vger.kernel.org -L: linux-renesas-soc@vger.kernel.org -T: git git://linuxtv.org/media_tree.git -S: Supported -F: Documentation/devicetree/bindings/media/renesas,vsp1.txt -F: drivers/media/platform/vsp1/ - MEDIA DRIVERS FOR HELENE M: Abylay Ospan <aospan@netup.ru> L: linux-media@vger.kernel.org @@ -8356,7 +8315,7 @@ T: git git://linuxtv.org/media_tree.git S: Supported F: drivers/media/dvb-frontends/helene* -MEDIA DRIVERS FOR ASCOT2E +MEDIA DRIVERS FOR HORUS3A M: Sergey Kozlov <serjk@netup.ru> M: Abylay Ospan <aospan@netup.ru> L: linux-media@vger.kernel.org @@ -8364,9 +8323,9 @@ W: https://linuxtv.org W: http://netup.tv/ T: git git://linuxtv.org/media_tree.git S: Supported -F: drivers/media/dvb-frontends/ascot2e* +F: drivers/media/dvb-frontends/horus3a* -MEDIA DRIVERS FOR CXD2841ER +MEDIA DRIVERS FOR LNBH25 M: Sergey Kozlov <serjk@netup.ru> M: Abylay Ospan <aospan@netup.ru> L: linux-media@vger.kernel.org @@ -8374,9 +8333,9 @@ W: https://linuxtv.org W: http://netup.tv/ T: git git://linuxtv.org/media_tree.git S: Supported -F: drivers/media/dvb-frontends/cxd2841er* +F: drivers/media/dvb-frontends/lnbh25* -MEDIA DRIVERS FOR HORUS3A +MEDIA DRIVERS FOR NETUP PCI UNIVERSAL DVB devices M: Sergey Kozlov <serjk@netup.ru> M: Abylay Ospan <aospan@netup.ru> L: linux-media@vger.kernel.org @@ -8384,27 +8343,53 @@ W: https://linuxtv.org W: http://netup.tv/ T: git git://linuxtv.org/media_tree.git S: Supported -F: drivers/media/dvb-frontends/horus3a* +F: drivers/media/pci/netup_unidvb/* -MEDIA DRIVERS FOR LNBH25 -M: Sergey Kozlov <serjk@netup.ru> -M: Abylay Ospan <aospan@netup.ru> +MEDIA DRIVERS FOR RENESAS - DRIF +M: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com> L: linux-media@vger.kernel.org -W: https://linuxtv.org -W: http://netup.tv/ +L: linux-renesas-soc@vger.kernel.org T: git git://linuxtv.org/media_tree.git S: Supported -F: drivers/media/dvb-frontends/lnbh25* +F: Documentation/devicetree/bindings/media/renesas,drif.txt +F: drivers/media/platform/rcar_drif.c -MEDIA DRIVERS FOR NETUP PCI UNIVERSAL DVB devices -M: Sergey Kozlov <serjk@netup.ru> -M: Abylay Ospan <aospan@netup.ru> +MEDIA DRIVERS FOR RENESAS - FCP +M: Laurent Pinchart <laurent.pinchart@ideasonboard.com> L: linux-media@vger.kernel.org -W: https://linuxtv.org -W: http://netup.tv/ +L: linux-renesas-soc@vger.kernel.org T: git git://linuxtv.org/media_tree.git S: Supported -F: drivers/media/pci/netup_unidvb/* +F: Documentation/devicetree/bindings/media/renesas,fcp.txt +F: drivers/media/platform/rcar-fcp.c +F: include/media/rcar-fcp.h + +MEDIA DRIVERS FOR RENESAS - FDP1 +M: Kieran Bingham <kieran@bingham.xyz> +L: linux-media@vger.kernel.org +L: linux-renesas-soc@vger.kernel.org +T: git git://linuxtv.org/media_tree.git +S: Supported +F: Documentation/devicetree/bindings/media/renesas,fdp1.txt +F: drivers/media/platform/rcar_fdp1.c + +MEDIA DRIVERS FOR RENESAS - VIN +M: Niklas Söderlund <niklas.soderlund@ragnatech.se> +L: linux-media@vger.kernel.org +L: linux-renesas-soc@vger.kernel.org +T: git git://linuxtv.org/media_tree.git +S: Supported +F: Documentation/devicetree/bindings/media/rcar_vin.txt +F: drivers/media/platform/rcar-vin/ + +MEDIA DRIVERS FOR RENESAS - VSP1 +M: Laurent Pinchart <laurent.pinchart@ideasonboard.com> +L: linux-media@vger.kernel.org +L: linux-renesas-soc@vger.kernel.org +T: git git://linuxtv.org/media_tree.git +S: Supported +F: Documentation/devicetree/bindings/media/renesas,vsp1.txt +F: drivers/media/platform/vsp1/ MEDIA INPUT INFRASTRUCTURE (V4L/DVB) M: Mauro Carvalho Chehab <mchehab@s-opensource.com> @@ -8443,15 +8428,6 @@ S: Supported F: drivers/media/platform/mtk-jpeg/ F: Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.txt -MEDIATEK MEDIA DRIVER -M: Tiffany Lin <tiffany.lin@mediatek.com> -M: Andrew-CT Chen <andrew-ct.chen@mediatek.com> -S: Supported -F: drivers/media/platform/mtk-vcodec/ -F: drivers/media/platform/mtk-vpu/ -F: Documentation/devicetree/bindings/media/mediatek-vcodec.txt -F: Documentation/devicetree/bindings/media/mediatek-vpu.txt - MEDIATEK MDP DRIVER M: Minghsiu Tsai <minghsiu.tsai@mediatek.com> M: Houlong Wei <houlong.wei@mediatek.com> @@ -8461,6 +8437,15 @@ F: drivers/media/platform/mtk-mdp/ F: drivers/media/platform/mtk-vpu/ F: Documentation/devicetree/bindings/media/mediatek-mdp.txt +MEDIATEK MEDIA DRIVER +M: Tiffany Lin <tiffany.lin@mediatek.com> +M: Andrew-CT Chen <andrew-ct.chen@mediatek.com> +S: Supported +F: drivers/media/platform/mtk-vcodec/ +F: drivers/media/platform/mtk-vpu/ +F: Documentation/devicetree/bindings/media/mediatek-vcodec.txt +F: Documentation/devicetree/bindings/media/mediatek-vpu.txt + MEDIATEK MT7601U WIRELESS LAN DRIVER M: Jakub Kicinski <kubakici@wp.pl> L: linux-wireless@vger.kernel.org @@ -8468,9 +8453,9 @@ S: Maintained F: drivers/net/wireless/mediatek/mt7601u/ MEDIATEK RANDOM NUMBER GENERATOR SUPPORT -M: Sean Wang <sean.wang@mediatek.com> -S: Maintained -F: drivers/char/hw_random/mtk-rng.c +M: Sean Wang <sean.wang@mediatek.com> +S: Maintained +F: drivers/char/hw_random/mtk-rng.c MEGACHIPS STDPXXXX-GE-B850V3-FW LVDS/DP++ BRIDGES M: Peter Senna Tschudin <peter.senna@collabora.com> @@ -8492,6 +8477,13 @@ F: Documentation/scsi/megaraid.txt F: drivers/scsi/megaraid.* F: drivers/scsi/megaraid/ +MELEXIS MLX90614 DRIVER +M: Crt Mori <cmo@melexis.com> +L: linux-iio@vger.kernel.org +W: http://www.melexis.com +S: Supported +F: drivers/iio/temperature/mlx90614.c + MELFAS MIP4 TOUCHSCREEN DRIVER M: Sangwon Jee <jeesw@melfas.com> W: http://www.melfas.com @@ -8552,6 +8544,56 @@ W: http://www.mellanox.com Q: http://patchwork.ozlabs.org/project/netdev/list/ F: drivers/net/ethernet/mellanox/mlxfw/ +MELLANOX MLX CPLD HOTPLUG DRIVER +M: Vadim Pasternak <vadimp@mellanox.com> +L: platform-driver-x86@vger.kernel.org +S: Supported +F: drivers/platform/x86/mlxcpld-hotplug.c +F: include/linux/platform_data/mlxcpld-hotplug.h + +MELLANOX MLX4 core VPI driver +M: Tariq Toukan <tariqt@mellanox.com> +L: netdev@vger.kernel.org +L: linux-rdma@vger.kernel.org +W: http://www.mellanox.com +Q: http://patchwork.ozlabs.org/project/netdev/list/ +S: Supported +F: drivers/net/ethernet/mellanox/mlx4/ +F: include/linux/mlx4/ + +MELLANOX MLX4 IB driver +M: Yishai Hadas <yishaih@mellanox.com> +L: linux-rdma@vger.kernel.org +W: http://www.mellanox.com +Q: http://patchwork.kernel.org/project/linux-rdma/list/ +S: Supported +F: drivers/infiniband/hw/mlx4/ +F: include/linux/mlx4/ +F: include/uapi/rdma/mlx4-abi.h + +MELLANOX MLX5 core VPI driver +M: Saeed Mahameed <saeedm@mellanox.com> +M: Matan Barak <matanb@mellanox.com> +M: Leon Romanovsky <leonro@mellanox.com> +L: netdev@vger.kernel.org +L: linux-rdma@vger.kernel.org +W: http://www.mellanox.com +Q: http://patchwork.ozlabs.org/project/netdev/list/ +S: Supported +F: drivers/net/ethernet/mellanox/mlx5/core/ +F: include/linux/mlx5/ + +MELLANOX MLX5 IB driver +M: Matan Barak <matanb@mellanox.com> +M: Leon Romanovsky <leonro@mellanox.com> +L: linux-rdma@vger.kernel.org +W: http://www.mellanox.com +Q: http://patchwork.kernel.org/project/linux-rdma/list/ +S: Supported +F: drivers/infiniband/hw/mlx5/ +F: include/linux/mlx5/ +F: include/uapi/rdma/mlx5-abi.h + MELLANOX MLXCPLD I2C AND MUX DRIVER M: Vadim Pasternak <vadimp@mellanox.com> M: Michael Shych <michaelsh@mellanox.com> @@ -8569,26 +8611,10 @@ F: drivers/leds/leds-mlxcpld.c F: Documentation/leds/leds-mlxcpld.txt MELLANOX PLATFORM DRIVER -M: Vadim Pasternak <vadimp@mellanox.com> -L: platform-driver-x86@vger.kernel.org -S: Supported -F: drivers/platform/x86/mlx-platform.c - -MELLANOX MLX CPLD HOTPLUG DRIVER M: Vadim Pasternak <vadimp@mellanox.com> L: platform-driver-x86@vger.kernel.org S: Supported -F: drivers/platform/x86/mlxcpld-hotplug.c -F: include/linux/platform_data/mlxcpld-hotplug.h - -SOFT-ROCE DRIVER (rxe) -M: Moni Shoua <monis@mellanox.com> -L: linux-rdma@vger.kernel.org -S: Supported -W: https://github.com/SoftRoCE/rxe-dev/wiki/rxe-dev:-Home -Q: http://patchwork.kernel.org/project/linux-rdma/list/ -F: drivers/infiniband/sw/rxe/ -F: include/uapi/rdma/rdma_user_rxe.h +F: drivers/platform/x86/mlx-platform.c MEMBARRIER SUPPORT M: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> @@ -8710,6 +8736,18 @@ S: Maintained F: drivers/usb/misc/usb251xb.c F: Documentation/devicetree/bindings/usb/usb251xb.txt +MICROSEMI SMART ARRAY SMARTPQI DRIVER (smartpqi) +M: Don Brace <don.brace@microsemi.com> +L: esc.storagedev@microsemi.com +L: linux-scsi@vger.kernel.org +S: Supported +F: drivers/scsi/smartpqi/smartpqi*.[ch] +F: drivers/scsi/smartpqi/Kconfig +F: drivers/scsi/smartpqi/Makefile +F: include/linux/cciss*.h +F: include/uapi/linux/cciss*.h +F: Documentation/scsi/smartpqi.txt + MICROSOFT SURFACE PRO 3 BUTTON DRIVER M: Chen Yu <yu.c.chen@intel.com> L: platform-driver-x86@vger.kernel.org @@ -8732,6 +8770,16 @@ F: Documentation/devicetree/bindings/mips/ F: Documentation/mips/ F: arch/mips/ +MIPS BOSTON DEVELOPMENT BOARD +M: Paul Burton <paul.burton@imgtec.com> +L: linux-mips@linux-mips.org +S: Maintained +F: Documentation/devicetree/bindings/clock/img,boston-clock.txt +F: arch/mips/boot/dts/img/boston.dts +F: arch/mips/configs/generic/board-boston.config +F: drivers/clk/imgtec/clk-boston.c +F: include/dt-bindings/clock/boston-clock.h + MIPS GENERIC PLATFORM M: Paul Burton <paul.burton@imgtec.com> L: linux-mips@linux-mips.org @@ -8747,16 +8795,6 @@ F: arch/mips/include/asm/mach-loongson32/ F: drivers/*/*loongson1* F: drivers/*/*/*loongson1* -MIPS BOSTON DEVELOPMENT BOARD -M: Paul Burton <paul.burton@imgtec.com> -L: linux-mips@linux-mips.org -S: Maintained -F: Documentation/devicetree/bindings/clock/img,boston-clock.txt -F: arch/mips/boot/dts/img/boston.dts -F: arch/mips/configs/generic/board-boston.config -F: drivers/clk/imgtec/clk-boston.c -F: include/dt-bindings/clock/boston-clock.h - MIROSOUND PCM20 FM RADIO RECEIVER DRIVER M: Hans Verkuil <hverkuil@xs4all.nl> L: linux-media@vger.kernel.org @@ -8765,67 +8803,15 @@ W: https://linuxtv.org S: Odd Fixes F: drivers/media/radio/radio-miropcm20* -MELLANOX MLX4 core VPI driver -M: Tariq Toukan <tariqt@mellanox.com> -L: netdev@vger.kernel.org -L: linux-rdma@vger.kernel.org -W: http://www.mellanox.com -Q: http://patchwork.ozlabs.org/project/netdev/list/ -S: Supported -F: drivers/net/ethernet/mellanox/mlx4/ -F: include/linux/mlx4/ - -MELLANOX MLX4 IB driver -M: Yishai Hadas <yishaih@mellanox.com> -L: linux-rdma@vger.kernel.org -W: http://www.mellanox.com -Q: http://patchwork.kernel.org/project/linux-rdma/list/ -S: Supported -F: drivers/infiniband/hw/mlx4/ -F: include/linux/mlx4/ -F: include/uapi/rdma/mlx4-abi.h - -MELLANOX MLX5 core VPI driver -M: Saeed Mahameed <saeedm@mellanox.com> -M: Matan Barak <matanb@mellanox.com> -M: Leon Romanovsky <leonro@mellanox.com> -L: netdev@vger.kernel.org -L: linux-rdma@vger.kernel.org -W: http://www.mellanox.com -Q: http://patchwork.ozlabs.org/project/netdev/list/ -S: Supported -F: drivers/net/ethernet/mellanox/mlx5/core/ -F: include/linux/mlx5/ - -MELLANOX MLX5 IB driver -M: Matan Barak <matanb@mellanox.com> -M: Leon Romanovsky <leonro@mellanox.com> -L: linux-rdma@vger.kernel.org -W: http://www.mellanox.com -Q: http://patchwork.kernel.org/project/linux-rdma/list/ -S: Supported -F: drivers/infiniband/hw/mlx5/ -F: include/linux/mlx5/ -F: include/uapi/rdma/mlx5-abi.h - -MELEXIS MLX90614 DRIVER -M: Crt Mori <cmo@melexis.com> -L: linux-iio@vger.kernel.org -W: http://www.melexis.com -S: Supported -F: drivers/iio/temperature/mlx90614.c - -MICROSEMI SMART ARRAY SMARTPQI DRIVER (smartpqi) -M: Don Brace <don.brace@microsemi.com> -L: esc.storagedev@microsemi.com -L: linux-scsi@vger.kernel.org -S: Supported -F: drivers/scsi/smartpqi/smartpqi*.[ch] -F: drivers/scsi/smartpqi/Kconfig -F: drivers/scsi/smartpqi/Makefile -F: include/linux/cciss*.h -F: include/uapi/linux/cciss*.h -F: Documentation/scsi/smartpqi.txt +MMP SUPPORT +M: Eric Miao <eric.y.miao@gmail.com> +M: Haojian Zhuang <haojian.zhuang@gmail.com> +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +T: git git://github.com/hzhuang1/linux.git +T: git git://git.linaro.org/people/ycmiao/pxa-linux.git +S: Maintained +F: arch/arm/boot/dts/mmp* +F: arch/arm/mach-mmp/ MN88472 MEDIA DRIVER M: Antti Palosaari <crope@iki.fi> @@ -8959,6 +8945,11 @@ F: drivers/mfd/ F: include/linux/mfd/ F: include/dt-bindings/mfd/ +MULTIMEDIA CARD (MMC) ETC. OVER SPI +S: Orphan +F: drivers/mmc/host/mmc_spi.c +F: include/linux/spi/mmc_spi.h + MULTIMEDIA CARD (MMC), SECURE DIGITAL (SD) AND SDIO SUBSYSTEM M: Ulf Hansson <ulf.hansson@linaro.org> L: linux-mmc@vger.kernel.org @@ -8969,11 +8960,6 @@ F: drivers/mmc/ F: include/linux/mmc/ F: include/uapi/linux/mmc/ -MULTIMEDIA CARD (MMC) ETC. OVER SPI -S: Orphan -F: drivers/mmc/host/mmc_spi.c -F: include/linux/spi/mmc_spi.h - MULTIPLEXER SUBSYSTEM M: Peter Rosin <peda@axentia.se> S: Maintained @@ -9036,10 +9022,6 @@ S: Maintained F: drivers/mtd/nand/ F: include/linux/mtd/nand*.h -NATSEMI ETHERNET DRIVER (DP8381x) -S: Orphan -F: drivers/net/ethernet/natsemi/natsemi.c - NATIVE INSTRUMENTS USB SOUND INTERFACE DRIVER M: Daniel Mack <zonque@gmail.com> S: Maintained @@ -9047,6 +9029,10 @@ L: alsa-devel@alsa-project.org (moderated for non-subscribers) W: http://www.native-instruments.com F: sound/usb/caiaq/ +NATSEMI ETHERNET DRIVER (DP8381x) +S: Orphan +F: drivers/net/ethernet/natsemi/natsemi.c + NCP FILESYSTEM M: Petr Vandrovec <petr@vandrovec.name> S: Odd Fixes @@ -9166,6 +9152,35 @@ S: Maintained W: https://fedorahosted.org/dropwatch/ F: net/core/drop_monitor.c +NETWORKING DRIVERS +L: netdev@vger.kernel.org +W: http://www.linuxfoundation.org/en/Net +Q: http://patchwork.ozlabs.org/project/netdev/list/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git +S: Odd Fixes +F: Documentation/devicetree/bindings/net/ +F: drivers/net/ +F: include/linux/if_* +F: include/linux/netdevice.h +F: include/linux/etherdevice.h +F: include/linux/fcdevice.h +F: include/linux/fddidevice.h +F: include/linux/hippidevice.h +F: include/linux/inetdevice.h +F: include/uapi/linux/if_* +F: include/uapi/linux/netdevice.h + +NETWORKING DRIVERS (WIRELESS) +M: Kalle Valo <kvalo@codeaurora.org> +L: linux-wireless@vger.kernel.org +Q: http://patchwork.kernel.org/project/linux-wireless/list/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git +S: Maintained +F: Documentation/devicetree/bindings/net/wireless/ +F: drivers/net/wireless/ + NETWORKING [DSA] M: Andrew Lunn <andrew@lunn.ch> M: Vivien Didelot <vivien.didelot@savoirfairelinux.com> @@ -9197,28 +9212,6 @@ F: tools/net/ F: tools/testing/selftests/net/ F: lib/random32.c -NETWORKING [IPv4/IPv6] -M: "David S. Miller" <davem@davemloft.net> -M: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> -M: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> -L: netdev@vger.kernel.org -T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git -S: Maintained -F: net/ipv4/ -F: net/ipv6/ -F: include/net/ip* -F: arch/x86/net/* - -NETWORKING [TLS] -M: Ilya Lesokhin <ilyal@mellanox.com> -M: Aviad Yehezkel <aviadye@mellanox.com> -M: Dave Watson <davejwatson@fb.com> -L: netdev@vger.kernel.org -S: Maintained -F: net/tls/* -F: include/uapi/linux/tls.h -F: include/net/tls.h - NETWORKING [IPSEC] M: Steffen Klassert <steffen.klassert@secunet.com> M: Herbert Xu <herbert@gondor.apana.org.au> @@ -9243,43 +9236,36 @@ F: net/ipv6/ip6_vti.c F: include/uapi/linux/xfrm.h F: include/net/xfrm.h +NETWORKING [IPv4/IPv6] +M: "David S. Miller" <davem@davemloft.net> +M: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> +M: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> +L: netdev@vger.kernel.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git +S: Maintained +F: net/ipv4/ +F: net/ipv6/ +F: include/net/ip* +F: arch/x86/net/* + NETWORKING [LABELED] (NetLabel, CIPSO, Labeled IPsec, SECMARK) M: Paul Moore <paul@paul-moore.com> L: netdev@vger.kernel.org S: Maintained -NETWORKING [WIRELESS] -L: linux-wireless@vger.kernel.org -Q: http://patchwork.kernel.org/project/linux-wireless/list/ - -NETWORKING DRIVERS +NETWORKING [TLS] +M: Ilya Lesokhin <ilyal@mellanox.com> +M: Aviad Yehezkel <aviadye@mellanox.com> +M: Dave Watson <davejwatson@fb.com> L: netdev@vger.kernel.org -W: http://www.linuxfoundation.org/en/Net -Q: http://patchwork.ozlabs.org/project/netdev/list/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git -T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git -S: Odd Fixes -F: Documentation/devicetree/bindings/net/ -F: drivers/net/ -F: include/linux/if_* -F: include/linux/netdevice.h -F: include/linux/etherdevice.h -F: include/linux/fcdevice.h -F: include/linux/fddidevice.h -F: include/linux/hippidevice.h -F: include/linux/inetdevice.h -F: include/uapi/linux/if_* -F: include/uapi/linux/netdevice.h +S: Maintained +F: net/tls/* +F: include/uapi/linux/tls.h +F: include/net/tls.h -NETWORKING DRIVERS (WIRELESS) -M: Kalle Valo <kvalo@codeaurora.org> +NETWORKING [WIRELESS] L: linux-wireless@vger.kernel.org Q: http://patchwork.kernel.org/project/linux-wireless/list/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git -T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git -S: Maintained -F: Documentation/devicetree/bindings/net/wireless/ -F: drivers/net/wireless/ NETXEN (1/10) GbE SUPPORT M: Manish Chopra <manish.chopra@cavium.com> @@ -9373,14 +9359,6 @@ S: Maintained F: drivers/media/i2c/et8ek8 F: drivers/media/i2c/ad5820.c -NOKIA N900 CAMERA SUPPORT (ET8EK8 SENSOR, AD5820 FOCUS) -M: Pavel Machek <pavel@ucw.cz> -M: Sakari Ailus <sakari.ailus@iki.fi> -L: linux-media@vger.kernel.org -S: Maintained -F: drivers/media/i2c/et8ek8 -F: drivers/media/i2c/ad5820.c - NOKIA N900 POWER SUPPLY DRIVERS R: Pali Rohár <pali.rohar@gmail.com> F: include/linux/power/bq2415x_charger.h @@ -9392,6 +9370,12 @@ F: drivers/power/supply/bq27xxx_battery_i2c.c F: drivers/power/supply/isp1704_charger.c F: drivers/power/supply/rx51_battery.c +NTB AMD DRIVER +M: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> +L: linux-ntb@googlegroups.com +S: Supported +F: drivers/ntb/hw/amd/ + NTB DRIVER CORE M: Jon Mason <jdmason@kudzu.us> M: Dave Jiang <dave.jiang@intel.com> @@ -9421,12 +9405,6 @@ W: https://github.com/jonmason/ntb/wiki T: git git://github.com/jonmason/ntb.git F: drivers/ntb/hw/intel/ -NTB AMD DRIVER -M: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> -L: linux-ntb@googlegroups.com -S: Supported -F: drivers/ntb/hw/amd/ - NTFS FILESYSTEM M: Anton Altaparmakov <anton@tuxera.com> L: linux-ntfs-dev@lists.sourceforge.net @@ -9456,15 +9434,6 @@ F: drivers/nvme/host/ F: include/linux/nvme.h F: include/uapi/linux/nvme_ioctl.h -NVM EXPRESS TARGET DRIVER -M: Christoph Hellwig <hch@lst.de> -M: Sagi Grimberg <sagi@grimberg.me> -L: linux-nvme@lists.infradead.org -T: git://git.infradead.org/nvme.git -W: http://git.infradead.org/nvme.git -S: Supported -F: drivers/nvme/target/ - NVM EXPRESS FC TRANSPORT DRIVERS M: James Smart <james.smart@broadcom.com> L: linux-nvme@lists.infradead.org @@ -9475,6 +9444,15 @@ F: drivers/nvme/host/fc.c F: drivers/nvme/target/fc.c F: drivers/nvme/target/fcloop.c +NVM EXPRESS TARGET DRIVER +M: Christoph Hellwig <hch@lst.de> +M: Sagi Grimberg <sagi@grimberg.me> +L: linux-nvme@lists.infradead.org +T: git://git.infradead.org/nvme.git +W: http://git.infradead.org/nvme.git +S: Supported +F: drivers/nvme/target/ + NVMEM FRAMEWORK M: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> S: Maintained @@ -9483,13 +9461,6 @@ F: Documentation/devicetree/bindings/nvmem/ F: include/linux/nvmem-consumer.h F: include/linux/nvmem-provider.h -NXP-NCI NFC DRIVER -M: Clément Perrochaud <clement.perrochaud@effinnov.com> -R: Charles Gorand <charles.gorand@effinnov.com> -L: linux-nfc@lists.01.org (moderated for non-subscribers) -S: Supported -F: drivers/nfc/nxp-nci - NXP TDA998X DRM DRIVER M: Russell King <linux@armlinux.org.uk> S: Supported @@ -9504,55 +9475,31 @@ L: alsa-devel@alsa-project.org (moderated for non-subscribers) S: Maintained F: sound/soc/codecs/tfa9879* +NXP-NCI NFC DRIVER +M: Clément Perrochaud <clement.perrochaud@effinnov.com> +R: Charles Gorand <charles.gorand@effinnov.com> +L: linux-nfc@lists.01.org (moderated for non-subscribers) +S: Supported +F: drivers/nfc/nxp-nci + OBJTOOL M: Josh Poimboeuf <jpoimboe@redhat.com> S: Supported F: tools/objtool/ -OMAP1 SUPPORT -M: Aaro Koskinen <aaro.koskinen@iki.fi> -M: Tony Lindgren <tony@atomide.com> +OMAP AUDIO SUPPORT +M: Peter Ujfalusi <peter.ujfalusi@ti.com> +M: Jarkko Nikula <jarkko.nikula@bitmer.com> +L: alsa-devel@alsa-project.org (moderated for non-subscribers) L: linux-omap@vger.kernel.org -Q: http://patchwork.kernel.org/project/linux-omap/list/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git S: Maintained -F: arch/arm/mach-omap1/ -F: arch/arm/plat-omap/ -F: arch/arm/configs/omap1_defconfig -F: drivers/i2c/busses/i2c-omap.c -F: include/linux/i2c-omap.h +F: sound/soc/omap/ -OMAP2+ SUPPORT -M: Tony Lindgren <tony@atomide.com> +OMAP CLOCK FRAMEWORK SUPPORT +M: Paul Walmsley <paul@pwsan.com> L: linux-omap@vger.kernel.org -W: http://www.muru.com/linux/omap/ -W: http://linux.omap.com/ -Q: http://patchwork.kernel.org/project/linux-omap/list/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git S: Maintained -F: arch/arm/mach-omap2/ -F: arch/arm/plat-omap/ -F: arch/arm/configs/omap2plus_defconfig -F: drivers/i2c/busses/i2c-omap.c -F: drivers/irqchip/irq-omap-intc.c -F: drivers/mfd/*omap*.c -F: drivers/mfd/menelaus.c -F: drivers/mfd/palmas.c -F: drivers/mfd/tps65217.c -F: drivers/mfd/tps65218.c -F: drivers/mfd/tps65910.c -F: drivers/mfd/twl-core.[ch] -F: drivers/mfd/twl4030*.c -F: drivers/mfd/twl6030*.c -F: drivers/mfd/twl6040*.c -F: drivers/regulator/palmas-regulator*.c -F: drivers/regulator/pbias-regulator.c -F: drivers/regulator/tps65217-regulator.c -F: drivers/regulator/tps65218-regulator.c -F: drivers/regulator/tps65910-regulator.c -F: drivers/regulator/twl-regulator.c -F: drivers/regulator/twl6030-regulator.c -F: include/linux/i2c-omap.h +F: arch/arm/*omap*/*clock* OMAP DEVICE TREE SUPPORT M: Benoît Cousson <bcousson@baylibre.com> @@ -9566,33 +9513,20 @@ F: arch/arm/boot/dts/*am4* F: arch/arm/boot/dts/*am5* F: arch/arm/boot/dts/*dra7* -OMAP CLOCK FRAMEWORK SUPPORT -M: Paul Walmsley <paul@pwsan.com> -L: linux-omap@vger.kernel.org -S: Maintained -F: arch/arm/*omap*/*clock* - -OMAP POWER MANAGEMENT SUPPORT -M: Kevin Hilman <khilman@kernel.org> -L: linux-omap@vger.kernel.org -S: Maintained -F: arch/arm/*omap*/*pm* -F: drivers/cpufreq/omap-cpufreq.c - -OMAP POWERDOMAIN SOC ADAPTATION LAYER SUPPORT -M: Rajendra Nayak <rnayak@codeaurora.org> -M: Paul Walmsley <paul@pwsan.com> +OMAP DISPLAY SUBSYSTEM and FRAMEBUFFER SUPPORT (DSS2) +M: Tomi Valkeinen <tomi.valkeinen@ti.com> L: linux-omap@vger.kernel.org +L: linux-fbdev@vger.kernel.org S: Maintained -F: arch/arm/mach-omap2/prm* +F: drivers/video/fbdev/omap2/ +F: Documentation/arm/OMAP/DSS -OMAP AUDIO SUPPORT -M: Peter Ujfalusi <peter.ujfalusi@ti.com> -M: Jarkko Nikula <jarkko.nikula@bitmer.com> -L: alsa-devel@alsa-project.org (moderated for non-subscribers) +OMAP FRAMEBUFFER SUPPORT +M: Tomi Valkeinen <tomi.valkeinen@ti.com> +L: linux-fbdev@vger.kernel.org L: linux-omap@vger.kernel.org S: Maintained -F: sound/soc/omap/ +F: drivers/video/fbdev/omap/ OMAP GENERAL PURPOSE MEMORY CONTROLLER SUPPORT M: Roger Quadros <rogerq@ti.com> @@ -9602,20 +9536,14 @@ S: Maintained F: drivers/memory/omap-gpmc.c F: arch/arm/mach-omap2/*gpmc* -OMAP FRAMEBUFFER SUPPORT -M: Tomi Valkeinen <tomi.valkeinen@ti.com> -L: linux-fbdev@vger.kernel.org -L: linux-omap@vger.kernel.org -S: Maintained -F: drivers/video/fbdev/omap/ - -OMAP DISPLAY SUBSYSTEM and FRAMEBUFFER SUPPORT (DSS2) -M: Tomi Valkeinen <tomi.valkeinen@ti.com> +OMAP GPIO DRIVER +M: Grygorii Strashko <grygorii.strashko@ti.com> +M: Santosh Shilimkar <ssantosh@kernel.org> +M: Kevin Hilman <khilman@kernel.org> L: linux-omap@vger.kernel.org -L: linux-fbdev@vger.kernel.org S: Maintained -F: drivers/video/fbdev/omap2/ -F: Documentation/arm/OMAP/DSS +F: Documentation/devicetree/bindings/gpio/gpio-omap.txt +F: drivers/gpio/gpio-omap.c OMAP HARDWARE SPINLOCK SUPPORT M: Ohad Ben-Cohen <ohad@wizery.com> @@ -9623,30 +9551,12 @@ L: linux-omap@vger.kernel.org S: Maintained F: drivers/hwspinlock/omap_hwspinlock.c -OMAP MMC SUPPORT -M: Jarkko Lavinen <jarkko.lavinen@nokia.com> -L: linux-omap@vger.kernel.org -S: Maintained -F: drivers/mmc/host/omap.c - OMAP HS MMC SUPPORT L: linux-mmc@vger.kernel.org L: linux-omap@vger.kernel.org S: Orphan F: drivers/mmc/host/omap_hsmmc.c -OMAP RANDOM NUMBER GENERATOR SUPPORT -M: Deepak Saxena <dsaxena@plexity.net> -S: Maintained -F: drivers/char/hw_random/omap-rng.c - -OMAP HWMOD SUPPORT -M: Benoît Cousson <bcousson@baylibre.com> -M: Paul Walmsley <paul@pwsan.com> -L: linux-omap@vger.kernel.org -S: Maintained -F: arch/arm/mach-omap2/omap_hwmod.* - OMAP HWMOD DATA M: Paul Walmsley <paul@pwsan.com> L: linux-omap@vger.kernel.org @@ -9659,6 +9569,13 @@ L: linux-omap@vger.kernel.org S: Maintained F: arch/arm/mach-omap2/omap_hwmod_44xx_data.c +OMAP HWMOD SUPPORT +M: Benoît Cousson <bcousson@baylibre.com> +M: Paul Walmsley <paul@pwsan.com> +L: linux-omap@vger.kernel.org +S: Maintained +F: arch/arm/mach-omap2/omap_hwmod.* + OMAP IMAGING SUBSYSTEM (OMAP3 ISP and OMAP4 ISS) M: Laurent Pinchart <laurent.pinchart@ideasonboard.com> L: linux-media@vger.kernel.org @@ -9667,6 +9584,31 @@ F: Documentation/devicetree/bindings/media/ti,omap3isp.txt F: drivers/media/platform/omap3isp/ F: drivers/staging/media/omap4iss/ +OMAP MMC SUPPORT +M: Jarkko Lavinen <jarkko.lavinen@nokia.com> +L: linux-omap@vger.kernel.org +S: Maintained +F: drivers/mmc/host/omap.c + +OMAP POWER MANAGEMENT SUPPORT +M: Kevin Hilman <khilman@kernel.org> +L: linux-omap@vger.kernel.org +S: Maintained +F: arch/arm/*omap*/*pm* +F: drivers/cpufreq/omap-cpufreq.c + +OMAP POWERDOMAIN SOC ADAPTATION LAYER SUPPORT +M: Rajendra Nayak <rnayak@codeaurora.org> +M: Paul Walmsley <paul@pwsan.com> +L: linux-omap@vger.kernel.org +S: Maintained +F: arch/arm/mach-omap2/prm* + +OMAP RANDOM NUMBER GENERATOR SUPPORT +M: Deepak Saxena <dsaxena@plexity.net> +S: Maintained +F: drivers/char/hw_random/omap-rng.c + OMAP USB SUPPORT L: linux-usb@vger.kernel.org L: linux-omap@vger.kernel.org @@ -9674,21 +9616,57 @@ S: Orphan F: drivers/usb/*/*omap* F: arch/arm/*omap*/usb* -OMAP GPIO DRIVER -M: Grygorii Strashko <grygorii.strashko@ti.com> -M: Santosh Shilimkar <ssantosh@kernel.org> -M: Kevin Hilman <khilman@kernel.org> -L: linux-omap@vger.kernel.org -S: Maintained -F: Documentation/devicetree/bindings/gpio/gpio-omap.txt -F: drivers/gpio/gpio-omap.c - OMAP/NEWFLOW NANOBONE MACHINE SUPPORT M: Mark Jackson <mpfj@newflow.co.uk> L: linux-omap@vger.kernel.org S: Maintained F: arch/arm/boot/dts/am335x-nano.dts +OMAP1 SUPPORT +M: Aaro Koskinen <aaro.koskinen@iki.fi> +M: Tony Lindgren <tony@atomide.com> +L: linux-omap@vger.kernel.org +Q: http://patchwork.kernel.org/project/linux-omap/list/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git +S: Maintained +F: arch/arm/mach-omap1/ +F: arch/arm/plat-omap/ +F: arch/arm/configs/omap1_defconfig +F: drivers/i2c/busses/i2c-omap.c +F: include/linux/i2c-omap.h + +OMAP2+ SUPPORT +M: Tony Lindgren <tony@atomide.com> +L: linux-omap@vger.kernel.org +W: http://www.muru.com/linux/omap/ +W: http://linux.omap.com/ +Q: http://patchwork.kernel.org/project/linux-omap/list/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git +S: Maintained +F: arch/arm/mach-omap2/ +F: arch/arm/plat-omap/ +F: arch/arm/configs/omap2plus_defconfig +F: drivers/i2c/busses/i2c-omap.c +F: drivers/irqchip/irq-omap-intc.c +F: drivers/mfd/*omap*.c +F: drivers/mfd/menelaus.c +F: drivers/mfd/palmas.c +F: drivers/mfd/tps65217.c +F: drivers/mfd/tps65218.c +F: drivers/mfd/tps65910.c +F: drivers/mfd/twl-core.[ch] +F: drivers/mfd/twl4030*.c +F: drivers/mfd/twl6030*.c +F: drivers/mfd/twl6040*.c +F: drivers/regulator/palmas-regulator*.c +F: drivers/regulator/pbias-regulator.c +F: drivers/regulator/tps65217-regulator.c +F: drivers/regulator/tps65218-regulator.c +F: drivers/regulator/tps65910-regulator.c +F: drivers/regulator/twl-regulator.c +F: drivers/regulator/twl6030-regulator.c +F: include/linux/i2c-omap.h + OMFS FILESYSTEM M: Bob Copeland <me@bobcopeland.com> L: linux-karma-devel@lists.sourceforge.net @@ -9708,6 +9686,13 @@ M: Harald Welte <laforge@gnumonks.org> S: Maintained F: drivers/char/pcmcia/cm4040_cs.* +OMNIVISION OV13858 SENSOR DRIVER +M: Sakari Ailus <sakari.ailus@linux.intel.com> +L: linux-media@vger.kernel.org +T: git git://linuxtv.org/media_tree.git +S: Maintained +F: drivers/media/i2c/ov13858.c + OMNIVISION OV5640 SENSOR DRIVER M: Steve Longerbeam <slongerbeam@gmail.com> L: linux-media@vger.kernel.org @@ -9730,13 +9715,6 @@ S: Maintained F: drivers/media/i2c/ov7670.c F: Documentation/devicetree/bindings/media/i2c/ov7670.txt -OMNIVISION OV13858 SENSOR DRIVER -M: Sakari Ailus <sakari.ailus@linux.intel.com> -L: linux-media@vger.kernel.org -T: git git://linuxtv.org/media_tree.git -S: Maintained -F: drivers/media/i2c/ov13858.c - ONENAND FLASH DRIVER M: Kyungmin Park <kyungmin.park@samsung.com> L: linux-mtd@lists.infradead.org @@ -9754,12 +9732,26 @@ F: drivers/scsi/osst.* F: drivers/scsi/osst_*.h F: drivers/scsi/st.h -OPENCORES I2C BUS DRIVER -M: Peter Korsgaard <jacmet@sunsite.dk> -L: linux-i2c@vger.kernel.org +OP-TEE DRIVER +M: Jens Wiklander <jens.wiklander@linaro.org> S: Maintained -F: Documentation/i2c/busses/i2c-ocores -F: drivers/i2c/busses/i2c-ocores.c +F: drivers/tee/optee/ + +OPA-VNIC DRIVER +M: Dennis Dalessandro <dennis.dalessandro@intel.com> +M: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com> +L: linux-rdma@vger.kernel.org +S: Supported +F: drivers/infiniband/ulp/opa_vnic + +OPEN FIRMWARE AND DEVICE TREE OVERLAYS +M: Pantelis Antoniou <pantelis.antoniou@konsulko.com> +L: devicetree@vger.kernel.org +S: Maintained +F: Documentation/devicetree/dynamic-resolution-notes.txt +F: Documentation/devicetree/overlay-notes.txt +F: drivers/of/overlay.c +F: drivers/of/resolver.c OPEN FIRMWARE AND FLATTENED DEVICE TREE M: Rob Herring <robh+dt@kernel.org> @@ -9784,14 +9776,12 @@ F: Documentation/devicetree/ F: arch/*/boot/dts/ F: include/dt-bindings/ -OPEN FIRMWARE AND DEVICE TREE OVERLAYS -M: Pantelis Antoniou <pantelis.antoniou@konsulko.com> -L: devicetree@vger.kernel.org +OPENCORES I2C BUS DRIVER +M: Peter Korsgaard <jacmet@sunsite.dk> +L: linux-i2c@vger.kernel.org S: Maintained -F: Documentation/devicetree/dynamic-resolution-notes.txt -F: Documentation/devicetree/overlay-notes.txt -F: drivers/of/overlay.c -F: drivers/of/resolver.c +F: Documentation/i2c/busses/i2c-ocores +F: drivers/i2c/busses/i2c-ocores.c OPENRISC ARCHITECTURE M: Jonas Bonn <jonas@southpole.se> @@ -9840,11 +9830,6 @@ F: arch/*/oprofile/ F: drivers/oprofile/ F: include/linux/oprofile.h -OP-TEE DRIVER -M: Jens Wiklander <jens.wiklander@linaro.org> -S: Maintained -F: drivers/tee/optee/ - ORACLE CLUSTER FILESYSTEM 2 (OCFS2) M: Mark Fasheh <mfasheh@versity.com> M: Joel Becker <jlbec@evilplan.org> @@ -9855,6 +9840,14 @@ F: Documentation/filesystems/ocfs2.txt F: Documentation/filesystems/dlmfs.txt F: fs/ocfs2/ +ORANGEFS FILESYSTEM +M: Mike Marshall <hubcap@omnibond.com> +L: pvfs2-developers@beowulf-underground.org (subscribers-only) +T: git git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux.git +S: Supported +F: fs/orangefs/ +F: Documentation/filesystems/orangefs.txt + ORINOCO DRIVER L: linux-wireless@vger.kernel.org W: http://wireless.kernel.org/en/users/Drivers/orinoco @@ -9869,6 +9862,16 @@ F: drivers/scsi/osd/ F: include/scsi/osd_* F: fs/exofs/ +OV2659 OMNIVISION SENSOR DRIVER +M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com> +L: linux-media@vger.kernel.org +W: https://linuxtv.org +Q: http://patchwork.linuxtv.org/project/linux-media/list/ +T: git git://linuxtv.org/mhadli/v4l-dvb-davinci_devices.git +S: Maintained +F: drivers/media/i2c/ov2659.c +F: include/media/i2c/ov2659.h + OVERLAY FILESYSTEM M: Miklos Szeredi <miklos@szeredi.hu> L: linux-unionfs@vger.kernel.org @@ -9877,14 +9880,6 @@ S: Supported F: fs/overlayfs/ F: Documentation/filesystems/overlayfs.txt -ORANGEFS FILESYSTEM -M: Mike Marshall <hubcap@omnibond.com> -L: pvfs2-developers@beowulf-underground.org (subscribers-only) -T: git git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux.git -S: Supported -F: fs/orangefs/ -F: Documentation/filesystems/orangefs.txt - P54 WIRELESS DRIVER M: Christian Lamparter <chunkeey@googlemail.com> L: linux-wireless@vger.kernel.org @@ -9925,11 +9920,11 @@ F: Documentation/mn10300/ F: arch/mn10300/ PARALLEL LCD/KEYPAD PANEL DRIVER -M: Willy Tarreau <willy@haproxy.com> -M: Ksenija Stanojevic <ksenija.stanojevic@gmail.com> -S: Odd Fixes -F: Documentation/misc-devices/lcd-panel-cgram.txt -F: drivers/misc/panel.c +M: Willy Tarreau <willy@haproxy.com> +M: Ksenija Stanojevic <ksenija.stanojevic@gmail.com> +S: Odd Fixes +F: Documentation/misc-devices/lcd-panel-cgram.txt +F: drivers/misc/panel.c PARALLEL PORT SUBSYSTEM M: Sudip Mukherjee <sudipm.mukherjee@gmail.com> @@ -10025,42 +10020,13 @@ M: Khalid Aziz <khalid@gonehiking.org> S: Maintained F: drivers/firmware/pcdp.* -PCI ERROR RECOVERY -M: Linas Vepstas <linasvepstas@gmail.com> -L: linux-pci@vger.kernel.org -S: Supported -F: Documentation/PCI/pci-error-recovery.txt - -PCI ENHANCED ERROR HANDLING (EEH) FOR POWERPC -M: Russell Currey <ruscur@russell.cc> -L: linuxppc-dev@lists.ozlabs.org -S: Supported -F: Documentation/powerpc/eeh-pci-error-recovery.txt -F: arch/powerpc/kernel/eeh*.c -F: arch/powerpc/platforms/*/eeh*.c -F: arch/powerpc/include/*/eeh*.h - -PCI SUBSYSTEM -M: Bjorn Helgaas <bhelgaas@google.com> -L: linux-pci@vger.kernel.org -Q: http://patchwork.ozlabs.org/project/linux-pci/list/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git -S: Supported -F: Documentation/devicetree/bindings/pci/ -F: Documentation/PCI/ -F: drivers/pci/ -F: include/linux/pci* -F: arch/x86/pci/ -F: arch/x86/kernel/quirks.c - -PCI ENDPOINT SUBSYSTEM -M: Kishon Vijay Abraham I <kishon@ti.com> +PCI DRIVER FOR AARDVARK (Marvell Armada 3700) +M: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> L: linux-pci@vger.kernel.org -T: git git://git.kernel.org/pub/scm/linux/kernel/git/kishon/pci-endpoint.git -S: Supported -F: drivers/pci/endpoint/ -F: drivers/misc/pci_endpoint_test.c -F: tools/pci/ +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Maintained +F: Documentation/devicetree/bindings/pci/aardvark-pci.txt +F: drivers/pci/host/pci-aardvark.c PCI DRIVER FOR ALTERA PCIE IP M: Ley Foon Tan <lftan@altera.com> @@ -10070,6 +10036,14 @@ S: Supported F: Documentation/devicetree/bindings/pci/altera-pcie.txt F: drivers/pci/host/pcie-altera.c +PCI DRIVER FOR APPLIEDMICRO XGENE +M: Tanmay Inamdar <tinamdar@apm.com> +L: linux-pci@vger.kernel.org +L: linux-arm-kernel@lists.infradead.org +S: Maintained +F: Documentation/devicetree/bindings/pci/xgene-pci.txt +F: drivers/pci/host/pci-xgene.c + PCI DRIVER FOR ARM VERSATILE PLATFORM M: Rob Herring <robh@kernel.org> L: linux-pci@vger.kernel.org @@ -10086,14 +10060,6 @@ S: Maintained F: Documentation/devicetree/bindings/pci/pci-armada8k.txt F: drivers/pci/dwc/pcie-armada8k.c -PCI DRIVER FOR APPLIEDMICRO XGENE -M: Tanmay Inamdar <tinamdar@apm.com> -L: linux-pci@vger.kernel.org -L: linux-arm-kernel@lists.infradead.org -S: Maintained -F: Documentation/devicetree/bindings/pci/xgene-pci.txt -F: drivers/pci/host/pci-xgene.c - PCI DRIVER FOR FREESCALE LAYERSCAPE M: Minghuan Lian <minghuan.Lian@freescale.com> M: Mingkai Hu <mingkai.hu@freescale.com> @@ -10104,6 +10070,15 @@ L: linux-arm-kernel@lists.infradead.org S: Maintained F: drivers/pci/dwc/*layerscape* +PCI DRIVER FOR GENERIC OF HOSTS +M: Will Deacon <will.deacon@arm.com> +L: linux-pci@vger.kernel.org +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Maintained +F: Documentation/devicetree/bindings/pci/host-generic-pci.txt +F: drivers/pci/host/pci-host-common.c +F: drivers/pci/host/pci-host-generic.c + PCI DRIVER FOR IMX6 M: Richard Zhu <hongxing.zhu@nxp.com> M: Lucas Stach <l.stach@pengutronix.de> @@ -10113,28 +10088,11 @@ S: Maintained F: Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt F: drivers/pci/dwc/*imx6* -PCI DRIVER FOR TI KEYSTONE -M: Murali Karicheri <m-karicheri2@ti.com> -L: linux-pci@vger.kernel.org -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -S: Maintained -F: drivers/pci/dwc/*keystone* - -PCI DRIVER FOR MVEBU (Marvell Armada 370 and Armada XP SOC support) -M: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> -M: Jason Cooper <jason@lakedaemon.net> -L: linux-pci@vger.kernel.org -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -S: Maintained -F: drivers/pci/host/*mvebu* - -PCI DRIVER FOR AARDVARK (Marvell Armada 3700) -M: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> +PCI DRIVER FOR INTEL VOLUME MANAGEMENT DEVICE (VMD) +M: Keith Busch <keith.busch@intel.com> L: linux-pci@vger.kernel.org -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -S: Maintained -F: Documentation/devicetree/bindings/pci/aardvark-pci.txt -F: drivers/pci/host/pci-aardvark.c +S: Supported +F: drivers/pci/host/vmd.c PCI DRIVER FOR MICROSEMI SWITCHTEC M: Kurt Schwemmer <kurt.schwemmer@microsemi.com> @@ -10147,6 +10105,14 @@ F: Documentation/ABI/testing/sysfs-class-switchtec F: drivers/pci/switch/switchtec* F: include/uapi/linux/switchtec_ioctl.h +PCI DRIVER FOR MVEBU (Marvell Armada 370 and Armada XP SOC support) +M: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> +M: Jason Cooper <jason@lakedaemon.net> +L: linux-pci@vger.kernel.org +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Maintained +F: drivers/pci/host/*mvebu* + PCI DRIVER FOR NVIDIA TEGRA M: Thierry Reding <thierry.reding@gmail.com> L: linux-tegra@vger.kernel.org @@ -10155,14 +10121,6 @@ S: Supported F: Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt F: drivers/pci/host/pci-tegra.c -PCI DRIVER FOR TI DRA7XX -M: Kishon Vijay Abraham I <kishon@ti.com> -L: linux-omap@vger.kernel.org -L: linux-pci@vger.kernel.org -S: Supported -F: Documentation/devicetree/bindings/pci/ti-pci.txt -F: drivers/pci/dwc/pci-dra7xx.c - PCI DRIVER FOR RENESAS R-CAR M: Simon Horman <horms@verge.net.au> L: linux-pci@vger.kernel.org @@ -10186,26 +10144,44 @@ S: Maintained F: Documentation/devicetree/bindings/pci/designware-pcie.txt F: drivers/pci/dwc/*designware* -PCI DRIVER FOR GENERIC OF HOSTS -M: Will Deacon <will.deacon@arm.com> +PCI DRIVER FOR TI DRA7XX +M: Kishon Vijay Abraham I <kishon@ti.com> +L: linux-omap@vger.kernel.org +L: linux-pci@vger.kernel.org +S: Supported +F: Documentation/devicetree/bindings/pci/ti-pci.txt +F: drivers/pci/dwc/pci-dra7xx.c + +PCI DRIVER FOR TI KEYSTONE +M: Murali Karicheri <m-karicheri2@ti.com> L: linux-pci@vger.kernel.org L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained -F: Documentation/devicetree/bindings/pci/host-generic-pci.txt -F: drivers/pci/host/pci-host-common.c -F: drivers/pci/host/pci-host-generic.c +F: drivers/pci/dwc/*keystone* -PCI DRIVER FOR INTEL VOLUME MANAGEMENT DEVICE (VMD) -M: Keith Busch <keith.busch@intel.com> +PCI ENDPOINT SUBSYSTEM +M: Kishon Vijay Abraham I <kishon@ti.com> L: linux-pci@vger.kernel.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/kishon/pci-endpoint.git S: Supported -F: drivers/pci/host/vmd.c +F: drivers/pci/endpoint/ +F: drivers/misc/pci_endpoint_test.c +F: tools/pci/ -PCIE DRIVER FOR ST SPEAR13XX -M: Pratyush Anand <pratyush.anand@gmail.com> +PCI ENHANCED ERROR HANDLING (EEH) FOR POWERPC +M: Russell Currey <ruscur@russell.cc> +L: linuxppc-dev@lists.ozlabs.org +S: Supported +F: Documentation/powerpc/eeh-pci-error-recovery.txt +F: arch/powerpc/kernel/eeh*.c +F: arch/powerpc/platforms/*/eeh*.c +F: arch/powerpc/include/*/eeh*.h + +PCI ERROR RECOVERY +M: Linas Vepstas <linasvepstas@gmail.com> L: linux-pci@vger.kernel.org -S: Maintained -F: drivers/pci/dwc/*spear* +S: Supported +F: Documentation/PCI/pci-error-recovery.txt PCI MSI DRIVER FOR ALTERA MSI IP M: Ley Foon Tan <lftan@altera.com> @@ -10223,6 +10199,19 @@ S: Maintained F: Documentation/devicetree/bindings/pci/xgene-pci-msi.txt F: drivers/pci/host/pci-xgene-msi.c +PCI SUBSYSTEM +M: Bjorn Helgaas <bhelgaas@google.com> +L: linux-pci@vger.kernel.org +Q: http://patchwork.ozlabs.org/project/linux-pci/list/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git +S: Supported +F: Documentation/devicetree/bindings/pci/ +F: Documentation/PCI/ +F: drivers/pci/ +F: include/linux/pci* +F: arch/x86/pci/ +F: arch/x86/kernel/quirks.c + PCIE DRIVER FOR AXIS ARTPEC M: Niklas Cassel <niklas.cassel@axis.com> M: Jesper Nilsson <jesper.nilsson@axis.com> @@ -10232,6 +10221,14 @@ S: Maintained F: Documentation/devicetree/bindings/pci/axis,artpec* F: drivers/pci/dwc/*artpec* +PCIE DRIVER FOR CAVIUM THUNDERX +M: David Daney <david.daney@cavium.com> +L: linux-pci@vger.kernel.org +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Supported +F: Documentation/devicetree/bindings/pci/pci-thunder-* +F: drivers/pci/host/pci-thunder-* + PCIE DRIVER FOR HISILICON M: Zhou Wang <wangzhou1@hisilicon.com> M: Gabriele Paoloni <gabriele.paoloni@huawei.com> @@ -10248,6 +10245,21 @@ S: Maintained F: Documentation/devicetree/bindings/pci/pcie-kirin.txt F: drivers/pci/dwc/pcie-kirin.c +PCIE DRIVER FOR MEDIATEK +M: Ryder Lee <ryder.lee@mediatek.com> +L: linux-pci@vger.kernel.org +L: linux-mediatek@lists.infradead.org +S: Supported +F: Documentation/devicetree/bindings/pci/mediatek* +F: drivers/pci/host/*mediatek* + +PCIE DRIVER FOR QUALCOMM MSM +M: Stanimir Varbanov <svarbanov@mm-sol.com> +L: linux-pci@vger.kernel.org +L: linux-arm-msm@vger.kernel.org +S: Maintained +F: drivers/pci/dwc/*qcom* + PCIE DRIVER FOR ROCKCHIP M: Shawn Lin <shawn.lin@rock-chips.com> L: linux-pci@vger.kernel.org @@ -10256,28 +10268,11 @@ S: Maintained F: Documentation/devicetree/bindings/pci/rockchip-pcie.txt F: drivers/pci/host/pcie-rockchip.c -PCIE DRIVER FOR QUALCOMM MSM -M: Stanimir Varbanov <svarbanov@mm-sol.com> -L: linux-pci@vger.kernel.org -L: linux-arm-msm@vger.kernel.org -S: Maintained -F: drivers/pci/dwc/*qcom* - -PCIE DRIVER FOR CAVIUM THUNDERX -M: David Daney <david.daney@cavium.com> +PCIE DRIVER FOR ST SPEAR13XX +M: Pratyush Anand <pratyush.anand@gmail.com> L: linux-pci@vger.kernel.org -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -S: Supported -F: Documentation/devicetree/bindings/pci/pci-thunder-* -F: drivers/pci/host/pci-thunder-* - -PCIE DRIVER FOR MEDIATEK -M: Ryder Lee <ryder.lee@mediatek.com> -L: linux-pci@vger.kernel.org -L: linux-mediatek@lists.infradead.org -S: Supported -F: Documentation/devicetree/bindings/pci/mediatek* -F: drivers/pci/host/*mediatek* +S: Maintained +F: drivers/pci/dwc/*spear* PCMCIA SUBSYSTEM P: Linux PCMCIA Team @@ -10446,14 +10441,14 @@ S: Maintained F: drivers/pinctrl/spear/ PISTACHIO SOC SUPPORT -M: James Hartley <james.hartley@imgtec.com> -M: Ionela Voinescu <ionela.voinescu@imgtec.com> -L: linux-mips@linux-mips.org -S: Maintained -F: arch/mips/pistachio/ -F: arch/mips/include/asm/mach-pistachio/ -F: arch/mips/boot/dts/img/pistachio* -F: arch/mips/configs/pistachio*_defconfig +M: James Hartley <james.hartley@imgtec.com> +M: Ionela Voinescu <ionela.voinescu@imgtec.com> +L: linux-mips@linux-mips.org +S: Maintained +F: arch/mips/pistachio/ +F: arch/mips/include/asm/mach-pistachio/ +F: arch/mips/boot/dts/img/pistachio* +F: arch/mips/configs/pistachio*_defconfig PKTCDVD DRIVER S: Orphan @@ -10496,6 +10491,11 @@ L: linux-scsi@vger.kernel.org S: Supported F: drivers/scsi/pm8001/ +PNP SUPPORT +M: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com> +S: Maintained +F: drivers/pnp/ + POSIX CLOCKS and TIMERS M: Thomas Gleixner <tglx@linutronix.de> L: linux-kernel@vger.kernel.org @@ -10517,15 +10517,6 @@ F: include/linux/pm_* F: include/linux/powercap.h F: drivers/powercap/ -POWER SUPPLY CLASS/SUBSYSTEM and DRIVERS -M: Sebastian Reichel <sre@kernel.org> -L: linux-pm@vger.kernel.org -T: git git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git -S: Maintained -F: Documentation/devicetree/bindings/power/supply/ -F: include/linux/power_supply.h -F: drivers/power/supply/ - POWER STATE COORDINATION INTERFACE (PSCI) M: Mark Rutland <mark.rutland@arm.com> M: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> @@ -10535,23 +10526,21 @@ F: drivers/firmware/psci*.c F: include/linux/psci.h F: include/uapi/linux/psci.h +POWER SUPPLY CLASS/SUBSYSTEM and DRIVERS +M: Sebastian Reichel <sre@kernel.org> +L: linux-pm@vger.kernel.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git +S: Maintained +F: Documentation/devicetree/bindings/power/supply/ +F: include/linux/power_supply.h +F: drivers/power/supply/ + POWERNV OPERATOR PANEL LCD DISPLAY DRIVER M: Suraj Jitindar Singh <sjitindarsingh@gmail.com> L: linuxppc-dev@lists.ozlabs.org S: Maintained F: drivers/char/powernv-op-panel.c -PNP SUPPORT -M: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com> -S: Maintained -F: drivers/pnp/ - -PPP PROTOCOL DRIVERS AND COMPRESSORS -M: Paul Mackerras <paulus@samba.org> -L: linux-ppp@vger.kernel.org -S: Maintained -F: drivers/net/ppp/ppp_* - PPP OVER ATM (RFC 2364) M: Mitchell Blank Jr <mitch@sfgoth.com> S: Maintained @@ -10571,6 +10560,12 @@ F: net/l2tp/l2tp_ppp.c F: include/linux/if_pppol2tp.h F: include/uapi/linux/if_pppol2tp.h +PPP PROTOCOL DRIVERS AND COMPRESSORS +M: Paul Mackerras <paulus@samba.org> +L: linux-ppp@vger.kernel.org +S: Maintained +F: drivers/net/ppp/ppp_* + PPS SUPPORT M: Rodolfo Giometti <giometti@enneenne.com> W: http://wiki.enneenne.com/index.php/LinuxPPS_support @@ -10684,7 +10679,6 @@ F: drivers/ptp/* F: include/linux/ptp_cl* PTRACE SUPPORT -M: Roland McGrath <roland@hack.frob.com> M: Oleg Nesterov <oleg@redhat.com> S: Maintained F: include/asm-generic/syscall.h @@ -10692,7 +10686,12 @@ F: include/linux/ptrace.h F: include/linux/regset.h F: include/linux/tracehook.h F: include/uapi/linux/ptrace.h +F: include/uapi/linux/ptrace.h +F: include/asm-generic/ptrace.h F: kernel/ptrace.c +F: arch/*/ptrace*.c +F: arch/*/*/ptrace*.c +F: arch/*/include/asm/ptrace*.h PULSE8-CEC DRIVER M: Hans Verkuil <hverkuil@xs4all.nl> @@ -10741,6 +10740,20 @@ F: include/linux/pwm_backlight.h F: drivers/gpio/gpio-mvebu.c F: Documentation/devicetree/bindings/gpio/gpio-mvebu.txt +PXA GPIO DRIVER +M: Robert Jarzmik <robert.jarzmik@free.fr> +L: linux-gpio@vger.kernel.org +S: Maintained +F: drivers/gpio/gpio-pxa.c + +PXA MMCI DRIVER +S: Orphan + +PXA RTC DRIVER +M: Robert Jarzmik <robert.jarzmik@free.fr> +L: linux-rtc@vger.kernel.org +S: Maintained + PXA2xx/PXA3xx SUPPORT M: Daniel Mack <daniel@zonque.org> M: Haojian Zhuang <haojian.zhuang@gmail.com> @@ -10760,36 +10773,12 @@ F: include/sound/pxa2xx-lib.h F: sound/arm/pxa* F: sound/soc/pxa/ -PXA GPIO DRIVER -M: Robert Jarzmik <robert.jarzmik@free.fr> -L: linux-gpio@vger.kernel.org -S: Maintained -F: drivers/gpio/gpio-pxa.c - PXA3xx NAND FLASH DRIVER M: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> L: linux-mtd@lists.infradead.org S: Maintained F: drivers/mtd/nand/pxa3xx_nand.c -MMP SUPPORT -M: Eric Miao <eric.y.miao@gmail.com> -M: Haojian Zhuang <haojian.zhuang@gmail.com> -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -T: git git://github.com/hzhuang1/linux.git -T: git git://git.linaro.org/people/ycmiao/pxa-linux.git -S: Maintained -F: arch/arm/boot/dts/mmp* -F: arch/arm/mach-mmp/ - -PXA MMCI DRIVER -S: Orphan - -PXA RTC DRIVER -M: Robert Jarzmik <robert.jarzmik@free.fr> -L: linux-rtc@vger.kernel.org -S: Maintained - QAT DRIVER M: Giovanni Cabiddu <giovanni.cabiddu@intel.com> M: Salvatore Benedetto <salvatore.benedetto@intel.com> @@ -10797,12 +10786,56 @@ L: qat-linux@intel.com S: Supported F: drivers/crypto/qat/ +QCOM AUDIO (ASoC) DRIVERS +M: Patrick Lai <plai@codeaurora.org> +M: Banajit Goswami <bgoswami@codeaurora.org> +L: alsa-devel@alsa-project.org (moderated for non-subscribers) +S: Supported +F: sound/soc/qcom/ + +QEMU MACHINE EMULATOR AND VIRTUALIZER SUPPORT +M: Gabriel Somlo <somlo@cmu.edu> +M: "Michael S. Tsirkin" <mst@redhat.com> +L: qemu-devel@nongnu.org +S: Maintained +F: drivers/firmware/qemu_fw_cfg.c + QIB DRIVER M: Mike Marciniszyn <infinipath@intel.com> L: linux-rdma@vger.kernel.org S: Supported F: drivers/infiniband/hw/qib/ +QLOGIC QL41xxx FCOE DRIVER +M: QLogic-Storage-Upstream@cavium.com +L: linux-scsi@vger.kernel.org +S: Supported +F: drivers/scsi/qedf/ + +QLOGIC QL41xxx ISCSI DRIVER +M: QLogic-Storage-Upstream@cavium.com +L: linux-scsi@vger.kernel.org +S: Supported +F: drivers/scsi/qedi/ + +QLOGIC QL4xxx ETHERNET DRIVER +M: Yuval Mintz <Yuval.Mintz@cavium.com> +M: Ariel Elior <Ariel.Elior@cavium.com> +M: everest-linux-l2@cavium.com +L: netdev@vger.kernel.org +S: Supported +F: drivers/net/ethernet/qlogic/qed/ +F: include/linux/qed/ +F: drivers/net/ethernet/qlogic/qede/ + +QLOGIC QL4xxx RDMA DRIVER +M: Ram Amrani <Ram.Amrani@cavium.com> +M: Ariel Elior <Ariel.Elior@cavium.com> +L: linux-rdma@vger.kernel.org +S: Supported +F: drivers/infiniband/hw/qedr/ +F: include/uapi/rdma/qedr-abi.h + QLOGIC QLA1280 SCSI DRIVER M: Michael Reed <mdr@sgi.com> L: linux-scsi@vger.kernel.org @@ -10816,13 +10849,6 @@ S: Supported F: Documentation/scsi/LICENSE.qla2xxx F: drivers/scsi/qla2xxx/ -QLOGIC QLA4XXX iSCSI DRIVER -M: QLogic-Storage-Upstream@qlogic.com -L: linux-scsi@vger.kernel.org -S: Supported -F: Documentation/scsi/LICENSE.qla4xxx -F: drivers/scsi/qla4xxx/ - QLOGIC QLA3XXX NETWORK DRIVER M: Dept-GELinuxNICDev@cavium.com L: netdev@vger.kernel.org @@ -10830,6 +10856,13 @@ S: Supported F: Documentation/networking/LICENSE.qla3xxx F: drivers/net/ethernet/qlogic/qla3xxx.* +QLOGIC QLA4XXX iSCSI DRIVER +M: QLogic-Storage-Upstream@qlogic.com +L: linux-scsi@vger.kernel.org +S: Supported +F: Documentation/scsi/LICENSE.qla4xxx +F: drivers/scsi/qla4xxx/ + QLOGIC QLCNIC (1/10)Gb ETHERNET DRIVER M: Harish Patil <harish.patil@cavium.com> M: Manish Chopra <manish.chopra@cavium.com> @@ -10846,28 +10879,6 @@ L: netdev@vger.kernel.org S: Supported F: drivers/net/ethernet/qlogic/qlge/ -QLOGIC QL4xxx ETHERNET DRIVER -M: Yuval Mintz <Yuval.Mintz@cavium.com> -M: Ariel Elior <Ariel.Elior@cavium.com> -M: everest-linux-l2@cavium.com -L: netdev@vger.kernel.org -S: Supported -F: drivers/net/ethernet/qlogic/qed/ -F: include/linux/qed/ -F: drivers/net/ethernet/qlogic/qede/ - -QLOGIC QL41xxx ISCSI DRIVER -M: QLogic-Storage-Upstream@cavium.com -L: linux-scsi@vger.kernel.org -S: Supported -F: drivers/scsi/qedi/ - -QLOGIC QL41xxx FCOE DRIVER -M: QLogic-Storage-Upstream@cavium.com -L: linux-scsi@vger.kernel.org -S: Supported -F: drivers/scsi/qedf/ - QNX4 FILESYSTEM M: Anders Larsen <al@alarsen.net> W: http://www.alarsen.net/linux/qnx4fs/ @@ -10894,13 +10905,6 @@ T: git git://linuxtv.org/anttip/media_tree.git S: Maintained F: drivers/media/tuners/qt1010* -QUALCOMM ATHEROS ATH9K WIRELESS DRIVER -M: QCA ath9k Development <ath9k-devel@qca.qualcomm.com> -L: linux-wireless@vger.kernel.org -W: http://wireless.kernel.org/en/users/Drivers/ath9k -S: Supported -F: drivers/net/wireless/ath/ath9k/ - QUALCOMM ATHEROS ATH10K WIRELESS DRIVER M: Kalle Valo <kvalo@qca.qualcomm.com> L: ath10k@lists.infradead.org @@ -10909,6 +10913,13 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git S: Supported F: drivers/net/wireless/ath/ath10k/ +QUALCOMM ATHEROS ATH9K WIRELESS DRIVER +M: QCA ath9k Development <ath9k-devel@qca.qualcomm.com> +L: linux-wireless@vger.kernel.org +W: http://wireless.kernel.org/en/users/Drivers/ath9k +S: Supported +F: drivers/net/wireless/ath/ath9k/ + QUALCOMM EMAC GIGABIT ETHERNET DRIVER M: Timur Tabi <timur@codeaurora.org> L: netdev@vger.kernel.org @@ -10938,33 +10949,24 @@ T: git git://github.com/KrasnikovEugene/wcn36xx.git S: Supported F: drivers/net/wireless/ath/wcn36xx/ -QEMU MACHINE EMULATOR AND VIRTUALIZER SUPPORT -M: Gabriel Somlo <somlo@cmu.edu> -M: "Michael S. Tsirkin" <mst@redhat.com> -L: qemu-devel@nongnu.org -S: Maintained -F: drivers/firmware/qemu_fw_cfg.c - QUANTENNA QTNFMAC WIRELESS DRIVER -M: Igor Mitsyanko <imitsyanko@quantenna.com> -M: Avinash Patil <avinashp@quantenna.com> -M: Sergey Matyukevich <smatyukevich@quantenna.com> -L: linux-wireless@vger.kernel.org -S: Maintained -F: drivers/net/wireless/quantenna +M: Igor Mitsyanko <imitsyanko@quantenna.com> +M: Avinash Patil <avinashp@quantenna.com> +M: Sergey Matyukevich <smatyukevich@quantenna.com> +L: linux-wireless@vger.kernel.org +S: Maintained +F: drivers/net/wireless/quantenna -RADOS BLOCK DEVICE (RBD) -M: Ilya Dryomov <idryomov@gmail.com> -M: Sage Weil <sage@redhat.com> -M: Alex Elder <elder@kernel.org> -L: ceph-devel@vger.kernel.org -W: http://ceph.com/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git -T: git git://github.com/ceph/ceph-client.git +RADEON and AMDGPU DRM DRIVERS +M: Alex Deucher <alexander.deucher@amd.com> +M: Christian König <christian.koenig@amd.com> +L: amd-gfx@lists.freedesktop.org +T: git git://people.freedesktop.org/~agd5f/linux S: Supported -F: Documentation/ABI/testing/sysfs-bus-rbd -F: drivers/block/rbd.c -F: drivers/block/rbd_types.h +F: drivers/gpu/drm/radeon/ +F: include/uapi/drm/radeon_drm.h +F: drivers/gpu/drm/amd/ +F: include/uapi/drm/amdgpu_drm.h RADEON FRAMEBUFFER DISPLAY DRIVER M: Benjamin Herrenschmidt <benh@kernel.crashing.org> @@ -10988,6 +10990,19 @@ S: Maintained F: drivers/media/radio/radio-shark2.c F: drivers/media/radio/radio-tea5777.c +RADOS BLOCK DEVICE (RBD) +M: Ilya Dryomov <idryomov@gmail.com> +M: Sage Weil <sage@redhat.com> +M: Alex Elder <elder@kernel.org> +L: ceph-devel@vger.kernel.org +W: http://ceph.com/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git +T: git git://github.com/ceph/ceph-client.git +S: Supported +F: Documentation/ABI/testing/sysfs-bus-rbd +F: drivers/block/rbd.c +F: drivers/block/rbd_types.h + RAGE128 FRAMEBUFFER DISPLAY DRIVER M: Paul Mackerras <paulus@samba.org> L: linux-fbdev@vger.kernel.org @@ -11067,6 +11082,12 @@ L: netdev@vger.kernel.org S: Maintained F: drivers/net/ethernet/rdc/r6040.c +RDMAVT - RDMA verbs software +M: Dennis Dalessandro <dennis.dalessandro@intel.com> +L: linux-rdma@vger.kernel.org +S: Supported +F: drivers/infiniband/sw/rdmavt + RDS - RELIABLE DATAGRAM SOCKETS M: Santosh Shilimkar <santosh.shilimkar@oracle.com> L: netdev@vger.kernel.org @@ -11077,12 +11098,6 @@ S: Supported F: net/rds/ F: Documentation/networking/rds.txt -RDMAVT - RDMA verbs software -M: Dennis Dalessandro <dennis.dalessandro@intel.com> -L: linux-rdma@vger.kernel.org -S: Supported -F: drivers/infiniband/sw/rdmavt - RDT - RESOURCE ALLOCATION M: Fenghua Yu <fenghua.yu@intel.com> L: linux-kernel@vger.kernel.org @@ -11131,11 +11146,6 @@ S: Maintained F: sound/soc/codecs/rt* F: include/sound/rt*.h -REISERFS FILE SYSTEM -L: reiserfs-devel@vger.kernel.org -S: Supported -F: fs/reiserfs/ - REGISTER MAP ABSTRACTION M: Mark Brown <broonie@kernel.org> L: linux-kernel@vger.kernel.org @@ -11145,6 +11155,11 @@ F: Documentation/devicetree/bindings/regmap/ F: drivers/base/regmap/ F: include/linux/regmap.h +REISERFS FILE SYSTEM +L: reiserfs-devel@vger.kernel.org +S: Supported +F: fs/reiserfs/ + REMOTE PROCESSOR (REMOTEPROC) SUBSYSTEM M: Ohad Ben-Cohen <ohad@wizery.com> M: Bjorn Andersson <bjorn.andersson@linaro.org> @@ -11220,16 +11235,16 @@ S: Maintained F: lib/rhashtable.c F: include/linux/rhashtable.h -RICOH SMARTMEDIA/XD DRIVER +RICOH R5C592 MEMORYSTICK DRIVER M: Maxim Levitsky <maximlevitsky@gmail.com> S: Maintained -F: drivers/mtd/nand/r852.c -F: drivers/mtd/nand/r852.h +F: drivers/memstick/host/r592.* -RICOH R5C592 MEMORYSTICK DRIVER +RICOH SMARTMEDIA/XD DRIVER M: Maxim Levitsky <maximlevitsky@gmail.com> S: Maintained -F: drivers/memstick/host/r592.* +F: drivers/mtd/nand/r852.c +F: drivers/mtd/nand/r852.h ROCCAT DRIVERS M: Stefan Achatz <erazor_de@users.sourceforge.net> @@ -11366,6 +11381,23 @@ S: Supported F: drivers/s390/block/dasd* F: block/partitions/ibm.c +S390 IOMMU (PCI) +M: Gerald Schaefer <gerald.schaefer@de.ibm.com> +L: linux-s390@vger.kernel.org +W: http://www.ibm.com/developerworks/linux/linux390/ +S: Supported +F: drivers/iommu/s390-iommu.c + +S390 IUCV NETWORK LAYER +M: Julian Wiedmann <jwi@linux.vnet.ibm.com> +M: Ursula Braun <ubraun@linux.vnet.ibm.com> +L: linux-s390@vger.kernel.org +W: http://www.ibm.com/developerworks/linux/linux390/ +S: Supported +F: drivers/s390/net/*iucv* +F: include/net/iucv/ +F: net/iucv/ + S390 NETWORK DRIVERS M: Julian Wiedmann <jwi@linux.vnet.ibm.com> M: Ursula Braun <ubraun@linux.vnet.ibm.com> @@ -11383,6 +11415,16 @@ S: Supported F: arch/s390/pci/ F: drivers/pci/hotplug/s390_pci_hpc.c +S390 VFIO-CCW DRIVER +M: Cornelia Huck <cohuck@redhat.com> +M: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com> +L: linux-s390@vger.kernel.org +L: kvm@vger.kernel.org +S: Supported +F: drivers/s390/cio/vfio_ccw* +F: Documentation/s390/vfio-ccw.txt +F: include/uapi/linux/vfio_ccw.h + S390 ZCRYPT DRIVER M: Harald Freudenberger <freude@de.ibm.com> L: linux-s390@vger.kernel.org @@ -11397,33 +11439,6 @@ W: http://www.ibm.com/developerworks/linux/linux390/ S: Supported F: drivers/s390/scsi/zfcp_* -S390 IUCV NETWORK LAYER -M: Julian Wiedmann <jwi@linux.vnet.ibm.com> -M: Ursula Braun <ubraun@linux.vnet.ibm.com> -L: linux-s390@vger.kernel.org -W: http://www.ibm.com/developerworks/linux/linux390/ -S: Supported -F: drivers/s390/net/*iucv* -F: include/net/iucv/ -F: net/iucv/ - -S390 IOMMU (PCI) -M: Gerald Schaefer <gerald.schaefer@de.ibm.com> -L: linux-s390@vger.kernel.org -W: http://www.ibm.com/developerworks/linux/linux390/ -S: Supported -F: drivers/iommu/s390-iommu.c - -S390 VFIO-CCW DRIVER -M: Cornelia Huck <cohuck@redhat.com> -M: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com> -L: linux-s390@vger.kernel.org -L: kvm@vger.kernel.org -S: Supported -F: drivers/s390/cio/vfio_ccw* -F: Documentation/s390/vfio-ccw.txt -F: include/uapi/linux/vfio_ccw.h - S3C24XX SD/MMC Driver M: Ben Dooks <ben-linux@fluff.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -11457,12 +11472,6 @@ F: drivers/media/common/saa7146/ F: drivers/media/pci/saa7146/ F: include/media/saa7146* -SAMSUNG LAPTOP DRIVER -M: Corentin Chary <corentin.chary@gmail.com> -L: platform-driver-x86@vger.kernel.org -S: Maintained -F: drivers/platform/x86/samsung-laptop.c - SAMSUNG AUDIO (ASoC) DRIVERS M: Krzysztof Kozlowski <krzk@kernel.org> M: Sangbeom Kim <sbkim73@samsung.com> @@ -11485,6 +11494,12 @@ L: linux-fbdev@vger.kernel.org S: Maintained F: drivers/video/fbdev/s3c-fb.c +SAMSUNG LAPTOP DRIVER +M: Corentin Chary <corentin.chary@gmail.com> +L: platform-driver-x86@vger.kernel.org +S: Maintained +F: drivers/platform/x86/samsung-laptop.c + SAMSUNG MULTIFUNCTION PMIC DEVICE DRIVERS M: Sangbeom Kim <sbkim73@samsung.com> M: Krzysztof Kozlowski <krzk@kernel.org> @@ -11503,22 +11518,6 @@ F: Documentation/devicetree/bindings/regulator/samsung,s2m*.txt F: Documentation/devicetree/bindings/regulator/samsung,s5m*.txt F: Documentation/devicetree/bindings/clock/samsung,s2mps11.txt -SAMSUNG S5P Security SubSystem (SSS) DRIVER -M: Krzysztof Kozlowski <krzk@kernel.org> -M: Vladimir Zapolskiy <vz@mleia.com> -L: linux-crypto@vger.kernel.org -L: linux-samsung-soc@vger.kernel.org -S: Maintained -F: drivers/crypto/s5p-sss.c - -SAMSUNG S5P/EXYNOS4 SOC SERIES CAMERA SUBSYSTEM DRIVERS -M: Kyungmin Park <kyungmin.park@samsung.com> -M: Sylwester Nawrocki <s.nawrocki@samsung.com> -L: linux-media@vger.kernel.org -Q: https://patchwork.linuxtv.org/project/linux-media/list/ -S: Supported -F: drivers/media/platform/exynos4-is/ - SAMSUNG S3C24XX/S3C64XX SOC SERIES CAMIF DRIVER M: Sylwester Nawrocki <sylvester.nawrocki@gmail.com> L: linux-media@vger.kernel.org @@ -11527,6 +11526,13 @@ S: Maintained F: drivers/media/platform/s3c-camif/ F: include/media/drv-intf/s3c_camif.h +SAMSUNG S3FWRN5 NFC DRIVER +M: Robert Baldyga <r.baldyga@samsung.com> +M: Krzysztof Opasiak <k.opasiak@samsung.com> +L: linux-nfc@lists.01.org (moderated for non-subscribers) +S: Supported +F: drivers/nfc/s3fwrn5 + SAMSUNG S5C73M3 CAMERA DRIVER M: Kyungmin Park <kyungmin.park@samsung.com> M: Andrzej Hajda <a.hajda@samsung.com> @@ -11541,12 +11547,21 @@ L: linux-media@vger.kernel.org S: Supported F: drivers/media/i2c/s5k5baf.c -SAMSUNG S3FWRN5 NFC DRIVER -M: Robert Baldyga <r.baldyga@samsung.com> -M: Krzysztof Opasiak <k.opasiak@samsung.com> -L: linux-nfc@lists.01.org (moderated for non-subscribers) +SAMSUNG S5P Security SubSystem (SSS) DRIVER +M: Krzysztof Kozlowski <krzk@kernel.org> +M: Vladimir Zapolskiy <vz@mleia.com> +L: linux-crypto@vger.kernel.org +L: linux-samsung-soc@vger.kernel.org +S: Maintained +F: drivers/crypto/s5p-sss.c + +SAMSUNG S5P/EXYNOS4 SOC SERIES CAMERA SUBSYSTEM DRIVERS +M: Kyungmin Park <kyungmin.park@samsung.com> +M: Sylwester Nawrocki <s.nawrocki@samsung.com> +L: linux-media@vger.kernel.org +Q: https://patchwork.linuxtv.org/project/linux-media/list/ S: Supported -F: drivers/nfc/s3fwrn5 +F: drivers/media/platform/exynos4-is/ SAMSUNG SOC CLOCK DRIVERS M: Sylwester Nawrocki <s.nawrocki@samsung.com> @@ -11599,126 +11614,6 @@ F: drivers/phy/samsung/phy-s5pv210-usb2.c F: drivers/phy/samsung/phy-samsung-usb2.c F: drivers/phy/samsung/phy-samsung-usb2.h -SERIAL DRIVERS -M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -L: linux-serial@vger.kernel.org -S: Maintained -F: Documentation/devicetree/bindings/serial/ -F: drivers/tty/serial/ - -SERIAL DEVICE BUS -M: Rob Herring <robh@kernel.org> -L: linux-serial@vger.kernel.org -S: Maintained -F: Documentation/devicetree/bindings/serial/slave-device.txt -F: drivers/tty/serdev/ -F: include/linux/serdev.h - -SERIAL IR RECEIVER -M: Sean Young <sean@mess.org> -L: linux-media@vger.kernel.org -S: Maintained -F: drivers/media/rc/serial_ir.c - -STI CEC DRIVER -M: Benjamin Gaignard <benjamin.gaignard@linaro.org> -S: Maintained -F: drivers/staging/media/st-cec/ -F: Documentation/devicetree/bindings/media/stih-cec.txt - -SHARED MEMORY COMMUNICATIONS (SMC) SOCKETS -M: Ursula Braun <ubraun@linux.vnet.ibm.com> -L: linux-s390@vger.kernel.org -W: http://www.ibm.com/developerworks/linux/linux390/ -S: Supported -F: net/smc/ - -SYNOPSYS DESIGNWARE DMAC DRIVER -M: Viresh Kumar <vireshk@kernel.org> -M: Andy Shevchenko <andriy.shevchenko@linux.intel.com> -S: Maintained -F: include/linux/dma/dw.h -F: include/linux/platform_data/dma-dw.h -F: drivers/dma/dw/ - -SYNOPSYS DESIGNWARE ENTERPRISE ETHERNET DRIVER -M: Jie Deng <jiedeng@synopsys.com> -L: netdev@vger.kernel.org -S: Supported -F: drivers/net/ethernet/synopsys/ - -SYNOPSYS DESIGNWARE I2C DRIVER -M: Jarkko Nikula <jarkko.nikula@linux.intel.com> -R: Andy Shevchenko <andriy.shevchenko@linux.intel.com> -R: Mika Westerberg <mika.westerberg@linux.intel.com> -L: linux-i2c@vger.kernel.org -S: Maintained -F: drivers/i2c/busses/i2c-designware-* -F: include/linux/platform_data/i2c-designware.h - -SYNOPSYS DESIGNWARE MMC/SD/SDIO DRIVER -M: Jaehoon Chung <jh80.chung@samsung.com> -L: linux-mmc@vger.kernel.org -S: Maintained -F: drivers/mmc/host/dw_mmc* - -SYSTEM TRACE MODULE CLASS -M: Alexander Shishkin <alexander.shishkin@linux.intel.com> -S: Maintained -T: git git://git.kernel.org/pub/scm/linux/kernel/git/ash/stm.git -F: Documentation/trace/stm.txt -F: drivers/hwtracing/stm/ -F: include/linux/stm.h -F: include/uapi/linux/stm.h - -TEE SUBSYSTEM -M: Jens Wiklander <jens.wiklander@linaro.org> -S: Maintained -F: include/linux/tee_drv.h -F: include/uapi/linux/tee.h -F: drivers/tee/ -F: Documentation/tee.txt - -THUNDERBOLT DRIVER -M: Andreas Noever <andreas.noever@gmail.com> -M: Michael Jamet <michael.jamet@intel.com> -M: Mika Westerberg <mika.westerberg@linux.intel.com> -M: Yehezkel Bernat <yehezkel.bernat@intel.com> -S: Maintained -F: drivers/thunderbolt/ - -TI BQ27XXX POWER SUPPLY DRIVER -R: Andrew F. Davis <afd@ti.com> -F: include/linux/power/bq27xxx_battery.h -F: drivers/power/supply/bq27xxx_battery.c -F: drivers/power/supply/bq27xxx_battery_i2c.c - -TIMEKEEPING, CLOCKSOURCE CORE, NTP, ALARMTIMER -M: John Stultz <john.stultz@linaro.org> -M: Thomas Gleixner <tglx@linutronix.de> -R: Stephen Boyd <sboyd@codeaurora.org> -L: linux-kernel@vger.kernel.org -T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core -S: Supported -F: include/linux/clocksource.h -F: include/linux/time.h -F: include/linux/timex.h -F: include/uapi/linux/time.h -F: include/uapi/linux/timex.h -F: kernel/time/clocksource.c -F: kernel/time/time*.c -F: kernel/time/alarmtimer.c -F: kernel/time/ntp.c -F: tools/testing/selftests/timers/ - -TI TRF7970A NFC DRIVER -M: Mark Greer <mgreer@animalcreek.com> -L: linux-wireless@vger.kernel.org -L: linux-nfc@lists.01.org (moderated for non-subscribers) -S: Supported -F: drivers/nfc/trf7970a.c -F: Documentation/devicetree/bindings/net/nfc/trf7970a.txt - SC1200 WDT DRIVER M: Zwane Mwaikambo <zwanem@gmail.com> S: Maintained @@ -11747,16 +11642,6 @@ M: Lubomir Rintel <lkundrak@v3.sk> S: Supported F: drivers/char/pcmcia/scr24x_cs.c -SYSTEM CONTROL & POWER INTERFACE (SCPI) Message Protocol drivers -M: Sudeep Holla <sudeep.holla@arm.com> -L: linux-arm-kernel@lists.infradead.org -S: Maintained -F: Documentation/devicetree/bindings/arm/arm,scpi.txt -F: drivers/clk/clk-scpi.c -F: drivers/cpufreq/scpi-cpufreq.c -F: drivers/firmware/arm_scpi.c -F: include/linux/scpi_protocol.h - SCSI CDROM DRIVER M: Jens Axboe <axboe@kernel.dk> L: linux-scsi@vger.kernel.org @@ -11841,14 +11726,6 @@ L: sdricohcs-devel@lists.sourceforge.net (subscribers-only) S: Maintained F: drivers/mmc/host/sdricoh_cs.c -SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) DRIVER -M: Adrian Hunter <adrian.hunter@intel.com> -L: linux-mmc@vger.kernel.org -T: git git://git.infradead.org/users/ahunter/linux-sdhci.git -S: Maintained -F: drivers/mmc/host/sdhci* -F: include/linux/mmc/sdhci* - SECURE COMPUTING M: Kees Cook <keescook@chromium.org> R: Andy Lutomirski <luto@amacapital.net> @@ -11871,6 +11748,14 @@ L: bcm-kernel-feedback-list@broadcom.com S: Maintained F: drivers/mmc/host/sdhci-brcmstb* +SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) DRIVER +M: Adrian Hunter <adrian.hunter@intel.com> +L: linux-mmc@vger.kernel.org +T: git git://git.infradead.org/users/ahunter/linux-sdhci.git +S: Maintained +F: drivers/mmc/host/sdhci* +F: include/linux/mmc/sdhci* + SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) SAMSUNG DRIVER M: Ben Dooks <ben-linux@fluff.org> M: Jaehoon Chung <jh80.chung@samsung.com> @@ -11895,6 +11780,10 @@ F: block/opal_proto.h F: include/linux/sed* F: include/uapi/linux/sed* +SECURITY CONTACT +M: Security Officers <security@kernel.org> +S: Supported + SECURITY SUBSYSTEM M: James Morris <james.l.morris@oracle.com> M: "Serge E. Hallyn" <serge@hallyn.com> @@ -11904,10 +11793,6 @@ W: http://kernsec.org/ S: Supported F: security/ -SECURITY CONTACT -M: Security Officers <security@kernel.org> -S: Supported - SELINUX SECURITY MODULE M: Paul Moore <paul@paul-moore.com> M: Stephen Smalley <sds@tycho.nsa.gov> @@ -11921,62 +11806,32 @@ F: security/selinux/ F: scripts/selinux/ F: Documentation/admin-guide/LSM/SELinux.rst -APPARMOR SECURITY MODULE -M: John Johansen <john.johansen@canonical.com> -L: apparmor@lists.ubuntu.com (subscribers-only, general discussion) -W: apparmor.wiki.kernel.org -T: git git://git.kernel.org/pub/scm/linux/kernel/git/jj/apparmor-dev.git -S: Supported -F: security/apparmor/ -F: Documentation/admin-guide/LSM/apparmor.rst - -LOADPIN SECURITY MODULE -M: Kees Cook <keescook@chromium.org> -T: git git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git lsm/loadpin -S: Supported -F: security/loadpin/ -F: Documentation/admin-guide/LSM/LoadPin.rst - -YAMA SECURITY MODULE -M: Kees Cook <keescook@chromium.org> -T: git git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git yama/tip -S: Supported -F: security/yama/ -F: Documentation/admin-guide/LSM/Yama.rst - SENSABLE PHANTOM M: Jiri Slaby <jirislaby@gmail.com> S: Maintained F: drivers/misc/phantom.c F: include/uapi/linux/phantom.h -Emulex 10Gbps iSCSI - OneConnect DRIVER -M: Subbu Seetharaman <subbu.seetharaman@broadcom.com> -M: Ketan Mukadam <ketan.mukadam@broadcom.com> -M: Jitendra Bhivare <jitendra.bhivare@broadcom.com> -L: linux-scsi@vger.kernel.org -W: http://www.broadcom.com -S: Supported -F: drivers/scsi/be2iscsi/ +SERIAL DEVICE BUS +M: Rob Herring <robh@kernel.org> +L: linux-serial@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/serial/slave-device.txt +F: drivers/tty/serdev/ +F: include/linux/serdev.h -Emulex 10Gbps NIC BE2, BE3-R, Lancer, Skyhawk-R DRIVER (be2net) -M: Sathya Perla <sathya.perla@broadcom.com> -M: Ajit Khaparde <ajit.khaparde@broadcom.com> -M: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com> -M: Somnath Kotur <somnath.kotur@broadcom.com> -L: netdev@vger.kernel.org -W: http://www.emulex.com -S: Supported -F: drivers/net/ethernet/emulex/benet/ +SERIAL DRIVERS +M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +L: linux-serial@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/serial/ +F: drivers/tty/serial/ -EMULEX ONECONNECT ROCE DRIVER -M: Selvin Xavier <selvin.xavier@broadcom.com> -M: Devesh Sharma <devesh.sharma@broadcom.com> -L: linux-rdma@vger.kernel.org -W: http://www.broadcom.com -S: Odd Fixes -F: drivers/infiniband/hw/ocrdma/ -F: include/uapi/rdma/ocrdma-abi.h +SERIAL IR RECEIVER +M: Sean Young <sean@mess.org> +L: linux-media@vger.kernel.org +S: Maintained +F: drivers/media/rc/serial_ir.c SFC NETWORK DRIVER M: Solarflare linux maintainers <linux-net-drivers@solarflare.com> @@ -12005,6 +11860,24 @@ M: Robin Holt <robinmholt@gmail.com> S: Maintained F: drivers/misc/sgi-xp/ +SHARED MEMORY COMMUNICATIONS (SMC) SOCKETS +M: Ursula Braun <ubraun@linux.vnet.ibm.com> +L: linux-s390@vger.kernel.org +W: http://www.ibm.com/developerworks/linux/linux390/ +S: Supported +F: net/smc/ + +SH_VEU V4L2 MEM2MEM DRIVER +L: linux-media@vger.kernel.org +S: Orphan +F: drivers/media/platform/sh_veu.c + +SH_VOU V4L2 OUTPUT DRIVER +L: linux-media@vger.kernel.org +S: Orphan +F: drivers/media/platform/sh_vou.c +F: include/media/drv-intf/sh_vou.h + SI2157 MEDIA DRIVER M: Antti Palosaari <crope@iki.fi> L: linux-media@vger.kernel.org @@ -12087,24 +11960,14 @@ S: Maintained F: drivers/input/touchscreen/silead.c F: drivers/platform/x86/silead_dmi.c -SIMPLEFB FB DRIVER -M: Hans de Goede <hdegoede@redhat.com> +SILICON MOTION SM712 FRAME BUFFER DRIVER +M: Sudip Mukherjee <sudipm.mukherjee@gmail.com> +M: Teddy Wang <teddy.wang@siliconmotion.com> +M: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk> L: linux-fbdev@vger.kernel.org S: Maintained -F: Documentation/devicetree/bindings/display/simple-framebuffer.txt -F: drivers/video/fbdev/simplefb.c -F: include/linux/platform_data/simplefb.h - -SH_VEU V4L2 MEM2MEM DRIVER -L: linux-media@vger.kernel.org -S: Orphan -F: drivers/media/platform/sh_veu.c - -SH_VOU V4L2 OUTPUT DRIVER -L: linux-media@vger.kernel.org -S: Orphan -F: drivers/media/platform/sh_vou.c -F: include/media/drv-intf/sh_vou.h +F: drivers/video/fbdev/sm712* +F: Documentation/fb/sm712fb.txt SIMPLE FIRMWARE INTERFACE (SFI) M: Len Brown <lenb@kernel.org> @@ -12116,6 +11979,14 @@ F: arch/x86/platform/sfi/ F: drivers/sfi/ F: include/linux/sfi*.h +SIMPLEFB FB DRIVER +M: Hans de Goede <hdegoede@redhat.com> +L: linux-fbdev@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/display/simple-framebuffer.txt +F: drivers/video/fbdev/simplefb.c +F: include/linux/platform_data/simplefb.h + SIMTEC EB110ATX (Chalice CATS) P: Ben Dooks P: Vincent Sanders <vince@simtec.co.uk> @@ -12140,61 +12011,6 @@ F: lib/siphash.c F: lib/test_siphash.c F: include/linux/siphash.h -TI DAVINCI MACHINE SUPPORT -M: Sekhar Nori <nsekhar@ti.com> -M: Kevin Hilman <khilman@kernel.org> -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -T: git git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci.git -S: Supported -F: arch/arm/mach-davinci/ -F: drivers/i2c/busses/i2c-davinci.c -F: arch/arm/boot/dts/da850* - -TI DAVINCI SERIES MEDIA DRIVER -M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com> -L: linux-media@vger.kernel.org -W: https://linuxtv.org -Q: http://patchwork.linuxtv.org/project/linux-media/list/ -T: git git://linuxtv.org/mhadli/v4l-dvb-davinci_devices.git -S: Maintained -F: drivers/media/platform/davinci/ -F: include/media/davinci/ - -TI DAVINCI SERIES GPIO DRIVER -M: Keerthy <j-keerthy@ti.com> -L: linux-gpio@vger.kernel.org -S: Maintained -F: Documentation/devicetree/bindings/gpio/gpio-davinci.txt -F: drivers/gpio/gpio-davinci.c - -TI AM437X VPFE DRIVER -M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com> -L: linux-media@vger.kernel.org -W: https://linuxtv.org -Q: http://patchwork.linuxtv.org/project/linux-media/list/ -T: git git://linuxtv.org/mhadli/v4l-dvb-davinci_devices.git -S: Maintained -F: drivers/media/platform/am437x/ - -OV2659 OMNIVISION SENSOR DRIVER -M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com> -L: linux-media@vger.kernel.org -W: https://linuxtv.org -Q: http://patchwork.linuxtv.org/project/linux-media/list/ -T: git git://linuxtv.org/mhadli/v4l-dvb-davinci_devices.git -S: Maintained -F: drivers/media/i2c/ov2659.c -F: include/media/i2c/ov2659.h - -SILICON MOTION SM712 FRAME BUFFER DRIVER -M: Sudip Mukherjee <sudipm.mukherjee@gmail.com> -M: Teddy Wang <teddy.wang@siliconmotion.com> -M: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk> -L: linux-fbdev@vger.kernel.org -S: Maintained -F: drivers/video/fbdev/sm712* -F: Documentation/fb/sm712fb.txt - SIS 190 ETHERNET DRIVER M: Francois Romieu <romieu@fr.zoreil.com> L: netdev@vger.kernel.org @@ -12255,14 +12071,6 @@ S: Maintained F: Documentation/admin-guide/LSM/Smack.rst F: security/smack/ -DRIVERS FOR ADAPTIVE VOLTAGE SCALING (AVS) -M: Kevin Hilman <khilman@kernel.org> -M: Nishanth Menon <nm@ti.com> -S: Maintained -F: drivers/power/avs/ -F: include/linux/power/smartreflex.h -L: linux-pm@vger.kernel.org - SMC91x ETHERNET DRIVER M: Nicolas Pitre <nico@fluxnic.net> S: Odd Fixes @@ -12300,6 +12108,12 @@ S: Supported F: Documentation/hwmon/sch5627 F: drivers/hwmon/sch5627.c +SMSC UFX6000 and UFX7000 USB to VGA DRIVER +M: Steve Glendinning <steve.glendinning@shawell.net> +L: linux-fbdev@vger.kernel.org +S: Maintained +F: drivers/video/fbdev/smscufx.c + SMSC47B397 HARDWARE MONITOR DRIVER M: Jean Delvare <jdelvare@suse.com> L: linux-hwmon@vger.kernel.org @@ -12320,12 +12134,6 @@ L: netdev@vger.kernel.org S: Maintained F: drivers/net/ethernet/smsc/smsc9420.* -SMSC UFX6000 and UFX7000 USB to VGA DRIVER -M: Steve Glendinning <steve.glendinning@shawell.net> -L: linux-fbdev@vger.kernel.org -S: Maintained -F: drivers/video/fbdev/smscufx.c - SOC-CAMERA V4L2 SUBSYSTEM M: Guennadi Liakhovetski <g.liakhovetski@gmx.de> L: linux-media@vger.kernel.org @@ -12340,6 +12148,15 @@ M: Chris Boot <bootc@bootc.net> S: Maintained F: drivers/leds/leds-net48xx.c +SOFT-ROCE DRIVER (rxe) +M: Moni Shoua <monis@mellanox.com> +L: linux-rdma@vger.kernel.org +S: Supported +W: https://github.com/SoftRoCE/rxe-dev/wiki/rxe-dev:-Home +Q: http://patchwork.kernel.org/project/linux-rdma/list/ +F: drivers/infiniband/sw/rxe/ +F: include/uapi/rdma/rdma_user_rxe.h + SOFTLOGIC 6x10 MPEG CODEC M: Bluecherry Maintainers <maintainers@bluecherrydvr.com> M: Anton Sviridenko <anton@corp.bluecherry.net> @@ -12372,16 +12189,6 @@ S: Maintained F: drivers/ssb/ F: include/linux/ssb/ -SONY VAIO CONTROL DEVICE DRIVER -M: Mattia Dongili <malattia@linux.it> -L: platform-driver-x86@vger.kernel.org -W: http://www.linux.it/~malattia/wiki/index.php/Sony_drivers -S: Maintained -F: Documentation/laptops/sony-laptop.txt -F: drivers/char/sonypi.c -F: drivers/platform/x86/sony-laptop.c -F: include/linux/sony-laptop.h - SONY MEMORYSTICK CARD SUPPORT M: Alex Dubov <oakad@yahoo.com> W: http://tifmxx.berlios.de/ @@ -12393,6 +12200,16 @@ M: Maxim Levitsky <maximlevitsky@gmail.com> S: Maintained F: drivers/memstick/core/ms_block.* +SONY VAIO CONTROL DEVICE DRIVER +M: Mattia Dongili <malattia@linux.it> +L: platform-driver-x86@vger.kernel.org +W: http://www.linux.it/~malattia/wiki/index.php/Sony_drivers +S: Maintained +F: Documentation/laptops/sony-laptop.txt +F: drivers/char/sonypi.c +F: drivers/platform/x86/sony-laptop.c +F: include/linux/sony-laptop.h + SOUND M: Jaroslav Kysela <perex@perex.cz> M: Takashi Iwai <tiwai@suse.com> @@ -12418,6 +12235,13 @@ F: include/uapi/sound/compress_* F: sound/core/compress_offload.c F: sound/soc/soc-compress.c +SOUND - DMAENGINE HELPERS +M: Lars-Peter Clausen <lars@metafoo.de> +S: Supported +F: include/sound/dmaengine_pcm.h +F: sound/core/pcm_dmaengine.c +F: sound/soc/soc-generic-dmaengine-pcm.c + SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEMENT (ASoC) M: Liam Girdwood <lgirdwood@gmail.com> M: Mark Brown <broonie@kernel.org> @@ -12430,13 +12254,6 @@ F: Documentation/sound/alsa/soc/ F: sound/soc/ F: include/sound/soc* -SOUND - DMAENGINE HELPERS -M: Lars-Peter Clausen <lars@metafoo.de> -S: Supported -F: include/sound/dmaengine_pcm.h -F: sound/core/pcm_dmaengine.c -F: sound/soc/soc-generic-dmaengine-pcm.c - SP2 MEDIA DRIVER M: Olli Salonen <olli.salonen@iki.fi> L: linux-media@vger.kernel.org @@ -12479,21 +12296,21 @@ T: git git://git.kernel.org/pub/scm/devel/sparse/chrisl/sparse.git S: Maintained F: include/linux/compiler.h -SPEAR PLATFORM SUPPORT +SPEAR CLOCK FRAMEWORK SUPPORT M: Viresh Kumar <vireshk@kernel.org> -M: Shiraz Hashim <shiraz.linux.kernel@gmail.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) W: http://www.st.com/spear S: Maintained -F: arch/arm/boot/dts/spear* -F: arch/arm/mach-spear/ +F: drivers/clk/spear/ -SPEAR CLOCK FRAMEWORK SUPPORT +SPEAR PLATFORM SUPPORT M: Viresh Kumar <vireshk@kernel.org> +M: Shiraz Hashim <shiraz.linux.kernel@gmail.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) W: http://www.st.com/spear S: Maintained -F: drivers/clk/spear/ +F: arch/arm/boot/dts/spear* +F: arch/arm/mach-spear/ SPI NOR SUBSYSTEM M: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr> @@ -12527,6 +12344,15 @@ S: Supported F: Documentation/networking/spider_net.txt F: drivers/net/ethernet/toshiba/spider_net* +SPMI SUBSYSTEM +R: Stephen Boyd <sboyd@codeaurora.org> +L: linux-arm-msm@vger.kernel.org +F: Documentation/devicetree/bindings/spmi/ +F: drivers/spmi/ +F: include/dt-bindings/spmi/spmi.h +F: include/linux/spmi.h +F: include/trace/events/spmi.h + SPU FILE SYSTEM M: Jeremy Kerr <jk@ozlabs.org> L: linuxppc-dev@lists.ozlabs.org @@ -12555,13 +12381,6 @@ L: stable@vger.kernel.org S: Supported F: Documentation/process/stable-kernel-rules.rst -STAGING SUBSYSTEM -M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git -L: devel@driverdev.osuosl.org -S: Supported -F: drivers/staging/ - STAGING - COMEDI M: Ian Abbott <abbotti@mev.co.uk> M: H Hartley Sweeten <hsweeten@visionengravers.com> @@ -12651,11 +12470,39 @@ M: Arnaud Patard <arnaud.patard@rtp-net.org> S: Odd Fixes F: drivers/staging/xgifb/ +STAGING SUBSYSTEM +M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git +L: devel@driverdev.osuosl.org +S: Supported +F: drivers/staging/ + STARFIRE/DURALAN NETWORK DRIVER M: Ion Badulescu <ionut@badula.org> S: Odd Fixes F: drivers/net/ethernet/adaptec/starfire* +STI CEC DRIVER +M: Benjamin Gaignard <benjamin.gaignard@linaro.org> +S: Maintained +F: drivers/staging/media/st-cec/ +F: Documentation/devicetree/bindings/media/stih-cec.txt + +STK1160 USB VIDEO CAPTURE DRIVER +M: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> +L: linux-media@vger.kernel.org +T: git git://linuxtv.org/media_tree.git +S: Maintained +F: drivers/media/usb/stk1160/ + +STMMAC ETHERNET DRIVER +M: Giuseppe Cavallaro <peppe.cavallaro@st.com> +M: Alexandre Torgue <alexandre.torgue@st.com> +L: netdev@vger.kernel.org +W: http://www.stlinux.com +S: Supported +F: drivers/net/ethernet/stmicro/stmmac/ + SUN3/3X M: Sam Creasey <sammy@sammy.net> W: http://sammy.net/sun3/ @@ -12727,6 +12574,20 @@ S: Supported F: net/switchdev/ F: include/net/switchdev.h +SYNC FILE FRAMEWORK +M: Sumit Semwal <sumit.semwal@linaro.org> +R: Gustavo Padovan <gustavo@padovan.org> +S: Maintained +L: linux-media@vger.kernel.org +L: dri-devel@lists.freedesktop.org +F: drivers/dma-buf/sync_* +F: drivers/dma-buf/dma-fence* +F: drivers/dma-buf/sw_sync.c +F: include/linux/sync_file.h +F: include/uapi/linux/sync_file.h +F: Documentation/sync_file.txt +T: git git://anongit.freedesktop.org/drm/drm-misc + SYNOPSYS ARC ARCHITECTURE M: Vineet Gupta <vgupta@synopsys.com> L: linux-snps-arc@lists.infradead.org @@ -12745,6 +12606,35 @@ F: arch/arc/plat-axs10x F: arch/arc/boot/dts/ax* F: Documentation/devicetree/bindings/arc/axs10* +SYNOPSYS DESIGNWARE DMAC DRIVER +M: Viresh Kumar <vireshk@kernel.org> +M: Andy Shevchenko <andriy.shevchenko@linux.intel.com> +S: Maintained +F: include/linux/dma/dw.h +F: include/linux/platform_data/dma-dw.h +F: drivers/dma/dw/ + +SYNOPSYS DESIGNWARE ENTERPRISE ETHERNET DRIVER +M: Jie Deng <jiedeng@synopsys.com> +L: netdev@vger.kernel.org +S: Supported +F: drivers/net/ethernet/synopsys/ + +SYNOPSYS DESIGNWARE I2C DRIVER +M: Jarkko Nikula <jarkko.nikula@linux.intel.com> +R: Andy Shevchenko <andriy.shevchenko@linux.intel.com> +R: Mika Westerberg <mika.westerberg@linux.intel.com> +L: linux-i2c@vger.kernel.org +S: Maintained +F: drivers/i2c/busses/i2c-designware-* +F: include/linux/platform_data/i2c-designware.h + +SYNOPSYS DESIGNWARE MMC/SD/SDIO DRIVER +M: Jaehoon Chung <jh80.chung@samsung.com> +L: linux-mmc@vger.kernel.org +S: Maintained +F: drivers/mmc/host/dw_mmc* + SYSTEM CONFIGURATION (SYSCON) M: Lee Jones <lee.jones@linaro.org> M: Arnd Bergmann <arnd@arndb.de> @@ -12752,6 +12642,16 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git S: Supported F: drivers/mfd/syscon.c +SYSTEM CONTROL & POWER INTERFACE (SCPI) Message Protocol drivers +M: Sudeep Holla <sudeep.holla@arm.com> +L: linux-arm-kernel@lists.infradead.org +S: Maintained +F: Documentation/devicetree/bindings/arm/arm,scpi.txt +F: drivers/clk/clk-scpi.c +F: drivers/cpufreq/scpi-cpufreq.c +F: drivers/firmware/arm_scpi.c +F: include/linux/scpi_protocol.h + SYSTEM RESET/SHUTDOWN DRIVERS M: Sebastian Reichel <sre@kernel.org> L: linux-pm@vger.kernel.org @@ -12760,6 +12660,15 @@ S: Maintained F: Documentation/devicetree/bindings/power/reset/ F: drivers/power/reset/ +SYSTEM TRACE MODULE CLASS +M: Alexander Shishkin <alexander.shishkin@linux.intel.com> +S: Maintained +T: git git://git.kernel.org/pub/scm/linux/kernel/git/ash/stm.git +F: Documentation/trace/stm.txt +F: drivers/hwtracing/stm/ +F: include/linux/stm.h +F: include/uapi/linux/stm.h + SYSV FILESYSTEM M: Christoph Hellwig <hch@infradead.org> S: Maintained @@ -12929,6 +12838,14 @@ L: linux-media@vger.kernel.org S: Maintained F: drivers/media/rc/ttusbir.c +TEE SUBSYSTEM +M: Jens Wiklander <jens.wiklander@linaro.org> +S: Maintained +F: include/linux/tee_drv.h +F: include/uapi/linux/tee.h +F: drivers/tee/ +F: Documentation/tee.txt + TEGRA ARCHITECTURE SUPPORT M: Thierry Reding <thierry.reding@gmail.com> M: Jonathan Hunter <jonathanh@nvidia.com> @@ -13060,6 +12977,23 @@ T: git git://repo.or.cz/linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git S: Maintained F: drivers/platform/x86/thinkpad_acpi.c +THUNDERBOLT DRIVER +M: Andreas Noever <andreas.noever@gmail.com> +M: Michael Jamet <michael.jamet@intel.com> +M: Mika Westerberg <mika.westerberg@linux.intel.com> +M: Yehezkel Bernat <yehezkel.bernat@intel.com> +S: Maintained +F: drivers/thunderbolt/ + +TI AM437X VPFE DRIVER +M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com> +L: linux-media@vger.kernel.org +W: https://linuxtv.org +Q: http://patchwork.linuxtv.org/project/linux-media/list/ +T: git git://linuxtv.org/mhadli/v4l-dvb-davinci_devices.git +S: Maintained +F: drivers/media/platform/am437x/ + TI BANDGAP AND THERMAL DRIVER M: Eduardo Valentin <edubezval@gmail.com> M: Keerthy <j-keerthy@ti.com> @@ -13068,13 +13002,11 @@ L: linux-omap@vger.kernel.org S: Maintained F: drivers/thermal/ti-soc-thermal/ -TI VPE/CAL DRIVERS -M: Benoit Parrot <bparrot@ti.com> -L: linux-media@vger.kernel.org -W: http://linuxtv.org/ -Q: http://patchwork.linuxtv.org/project/linux-media/list/ -S: Maintained -F: drivers/media/platform/ti-vpe/ +TI BQ27XXX POWER SUPPLY DRIVER +R: Andrew F. Davis <afd@ti.com> +F: include/linux/power/bq27xxx_battery.h +F: drivers/power/supply/bq27xxx_battery.c +F: drivers/power/supply/bq27xxx_battery_i2c.c TI CDCE706 CLOCK DRIVER M: Max Filippov <jcmvbkbc@gmail.com> @@ -13088,6 +13020,33 @@ S: Maintained F: drivers/clk/ti/ F: include/linux/clk/ti.h +TI DAVINCI MACHINE SUPPORT +M: Sekhar Nori <nsekhar@ti.com> +M: Kevin Hilman <khilman@kernel.org> +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +T: git git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci.git +S: Supported +F: arch/arm/mach-davinci/ +F: drivers/i2c/busses/i2c-davinci.c +F: arch/arm/boot/dts/da850* + +TI DAVINCI SERIES GPIO DRIVER +M: Keerthy <j-keerthy@ti.com> +L: linux-gpio@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/gpio/gpio-davinci.txt +F: drivers/gpio/gpio-davinci.c + +TI DAVINCI SERIES MEDIA DRIVER +M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com> +L: linux-media@vger.kernel.org +W: https://linuxtv.org +Q: http://patchwork.linuxtv.org/project/linux-media/list/ +T: git git://linuxtv.org/mhadli/v4l-dvb-davinci_devices.git +S: Maintained +F: drivers/media/platform/davinci/ +F: include/media/davinci/ + TI ETHERNET SWITCH DRIVER (CPSW) R: Grygorii Strashko <grygorii.strashko@ti.com> L: linux-omap@vger.kernel.org @@ -13111,7 +13070,6 @@ S: Maintained F: drivers/soc/ti/* T: git git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone.git - TI LM49xxx FAMILY ASoC CODEC DRIVERS M: M R Swami Reddy <mr.swami.reddy@ti.com> M: Vishwas A Deshpande <vishwas.a.deshpande@ti.com> @@ -13156,12 +13114,28 @@ L: alsa-devel@alsa-project.org (moderated for non-subscribers) S: Odd Fixes F: sound/soc/codecs/tas571x* +TI TRF7970A NFC DRIVER +M: Mark Greer <mgreer@animalcreek.com> +L: linux-wireless@vger.kernel.org +L: linux-nfc@lists.01.org (moderated for non-subscribers) +S: Supported +F: drivers/nfc/trf7970a.c +F: Documentation/devicetree/bindings/net/nfc/trf7970a.txt + TI TWL4030 SERIES SOC CODEC DRIVER M: Peter Ujfalusi <peter.ujfalusi@ti.com> L: alsa-devel@alsa-project.org (moderated for non-subscribers) S: Maintained F: sound/soc/codecs/twl4030* +TI VPE/CAL DRIVERS +M: Benoit Parrot <bparrot@ti.com> +L: linux-media@vger.kernel.org +W: http://linuxtv.org/ +Q: http://patchwork.linuxtv.org/project/linux-media/list/ +S: Maintained +F: drivers/media/platform/ti-vpe/ + TI WILINK WIRELESS DRIVERS L: linux-wireless@vger.kernel.org W: http://wireless.kernel.org/en/users/Drivers/wl12xx @@ -13171,16 +13145,6 @@ S: Orphan F: drivers/net/wireless/ti/ F: include/linux/wl12xx.h -TIPC NETWORK LAYER -M: Jon Maloy <jon.maloy@ericsson.com> -M: Ying Xue <ying.xue@windriver.com> -L: netdev@vger.kernel.org (core kernel code) -L: tipc-discussion@lists.sourceforge.net (user apps, general discussion) -W: http://tipc.sourceforge.net/ -S: Maintained -F: include/uapi/linux/tipc*.h -F: net/tipc/ - TILE ARCHITECTURE M: Chris Metcalf <cmetcalf@mellanox.com> W: http://www.mellanox.com/repository/solutions/tile-scm/ @@ -13196,6 +13160,34 @@ F: drivers/tty/serial/tilegx.c F: drivers/usb/host/*-tilegx.c F: include/linux/usb/tilegx.h +TIMEKEEPING, CLOCKSOURCE CORE, NTP, ALARMTIMER +M: John Stultz <john.stultz@linaro.org> +M: Thomas Gleixner <tglx@linutronix.de> +R: Stephen Boyd <sboyd@codeaurora.org> +L: linux-kernel@vger.kernel.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core +S: Supported +F: include/linux/clocksource.h +F: include/linux/time.h +F: include/linux/timex.h +F: include/uapi/linux/time.h +F: include/uapi/linux/timex.h +F: kernel/time/clocksource.c +F: kernel/time/time*.c +F: kernel/time/alarmtimer.c +F: kernel/time/ntp.c +F: tools/testing/selftests/timers/ + +TIPC NETWORK LAYER +M: Jon Maloy <jon.maloy@ericsson.com> +M: Ying Xue <ying.xue@windriver.com> +L: netdev@vger.kernel.org (core kernel code) +L: tipc-discussion@lists.sourceforge.net (user apps, general discussion) +W: http://tipc.sourceforge.net/ +S: Maintained +F: include/uapi/linux/tipc*.h +F: net/tipc/ + TLAN NETWORK DRIVER M: Samuel Chessman <chessman@tux.org> L: tlan-devel@lists.sourceforge.net (subscribers-only) @@ -13204,6 +13196,38 @@ S: Maintained F: Documentation/networking/tlan.txt F: drivers/net/ethernet/ti/tlan.* +TM6000 VIDEO4LINUX DRIVER +M: Mauro Carvalho Chehab <mchehab@s-opensource.com> +M: Mauro Carvalho Chehab <mchehab@kernel.org> +L: linux-media@vger.kernel.org +W: https://linuxtv.org +T: git git://linuxtv.org/media_tree.git +S: Odd fixes +F: drivers/media/usb/tm6000/ +F: Documentation/media/v4l-drivers/tm6000* + +TMIO/SDHI MMC DRIVER +M: Wolfram Sang <wsa+renesas@sang-engineering.com> +L: linux-mmc@vger.kernel.org +S: Supported +F: drivers/mmc/host/tmio_mmc* +F: drivers/mmc/host/renesas_sdhi* +F: include/linux/mfd/tmio.h + +TMP401 HARDWARE MONITOR DRIVER +M: Guenter Roeck <linux@roeck-us.net> +L: linux-hwmon@vger.kernel.org +S: Maintained +F: Documentation/hwmon/tmp401 +F: drivers/hwmon/tmp401.c + +TMPFS (SHMEM FILESYSTEM) +M: Hugh Dickins <hughd@google.com> +L: linux-mm@kvack.org +S: Maintained +F: include/linux/shmem_fs.h +F: mm/shmem.c + TOMOYO SECURITY MODULE M: Kentaro Takeda <takedakn@nttdata.co.jp> M: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> @@ -13240,12 +13264,6 @@ L: platform-driver-x86@vger.kernel.org S: Maintained F: drivers/platform/x86/toshiba_haps.c -TOSHIBA WMI HOTKEYS DRIVER -M: Azael Avalos <coproscefalo@gmail.com> -L: platform-driver-x86@vger.kernel.org -S: Maintained -F: drivers/platform/x86/toshiba-wmi.c - TOSHIBA SMM DRIVER M: Jonathan Buzzard <jonathan@buzzard.org.uk> W: http://www.buzzard.org.uk/toshiba/ @@ -13261,62 +13279,11 @@ S: Maintained F: drivers/media/i2c/tc358743* F: include/media/i2c/tc358743.h -TMIO/SDHI MMC DRIVER -M: Wolfram Sang <wsa+renesas@sang-engineering.com> -L: linux-mmc@vger.kernel.org -S: Supported -F: drivers/mmc/host/tmio_mmc* -F: drivers/mmc/host/renesas_sdhi* -F: include/linux/mfd/tmio.h - -TMP401 HARDWARE MONITOR DRIVER -M: Guenter Roeck <linux@roeck-us.net> -L: linux-hwmon@vger.kernel.org -S: Maintained -F: Documentation/hwmon/tmp401 -F: drivers/hwmon/tmp401.c - -TMPFS (SHMEM FILESYSTEM) -M: Hugh Dickins <hughd@google.com> -L: linux-mm@kvack.org -S: Maintained -F: include/linux/shmem_fs.h -F: mm/shmem.c - -TM6000 VIDEO4LINUX DRIVER -M: Mauro Carvalho Chehab <mchehab@s-opensource.com> -M: Mauro Carvalho Chehab <mchehab@kernel.org> -L: linux-media@vger.kernel.org -W: https://linuxtv.org -T: git git://linuxtv.org/media_tree.git -S: Odd fixes -F: drivers/media/usb/tm6000/ -F: Documentation/media/v4l-drivers/tm6000* - -TW5864 VIDEO4LINUX DRIVER -M: Bluecherry Maintainers <maintainers@bluecherrydvr.com> -M: Anton Sviridenko <anton@corp.bluecherry.net> -M: Andrey Utkin <andrey.utkin@corp.bluecherry.net> -M: Andrey Utkin <andrey_utkin@fastmail.com> -L: linux-media@vger.kernel.org -S: Supported -F: drivers/media/pci/tw5864/ - -TW68 VIDEO4LINUX DRIVER -M: Hans Verkuil <hverkuil@xs4all.nl> -L: linux-media@vger.kernel.org -T: git git://linuxtv.org/media_tree.git -W: https://linuxtv.org -S: Odd Fixes -F: drivers/media/pci/tw68/ - -TW686X VIDEO4LINUX DRIVER -M: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> -L: linux-media@vger.kernel.org -T: git git://linuxtv.org/media_tree.git -W: http://linuxtv.org +TOSHIBA WMI HOTKEYS DRIVER +M: Azael Avalos <coproscefalo@gmail.com> +L: platform-driver-x86@vger.kernel.org S: Maintained -F: drivers/media/pci/tw686x/ +F: drivers/platform/x86/toshiba-wmi.c TPM DEVICE DRIVER M: Peter Huewe <peterhuewe@gmx.de> @@ -13418,6 +13385,31 @@ S: Maintained F: drivers/tc/ F: include/linux/tc.h +TW5864 VIDEO4LINUX DRIVER +M: Bluecherry Maintainers <maintainers@bluecherrydvr.com> +M: Anton Sviridenko <anton@corp.bluecherry.net> +M: Andrey Utkin <andrey.utkin@corp.bluecherry.net> +M: Andrey Utkin <andrey_utkin@fastmail.com> +L: linux-media@vger.kernel.org +S: Supported +F: drivers/media/pci/tw5864/ + +TW68 VIDEO4LINUX DRIVER +M: Hans Verkuil <hverkuil@xs4all.nl> +L: linux-media@vger.kernel.org +T: git git://linuxtv.org/media_tree.git +W: https://linuxtv.org +S: Odd Fixes +F: drivers/media/pci/tw68/ + +TW686X VIDEO4LINUX DRIVER +M: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> +L: linux-media@vger.kernel.org +T: git git://linuxtv.org/media_tree.git +W: http://linuxtv.org +S: Maintained +F: drivers/media/pci/tw686x/ + UBI FILE SYSTEM (UBIFS) M: Richard Weinberger <richard@nod.at> M: Artem Bityutskiy <dedekind1@gmail.com> @@ -13467,6 +13459,13 @@ S: Maintained F: drivers/hid/uhid.c F: include/uapi/linux/uhid.h +ULPI BUS +M: Heikki Krogerus <heikki.krogerus@linux.intel.com> +L: linux-usb@vger.kernel.org +S: Maintained +F: drivers/usb/common/ulpi.c +F: include/linux/ulpi/ + ULTRA-WIDEBAND (UWB) SUBSYSTEM: L: linux-usb@vger.kernel.org S: Orphan @@ -13527,6 +13526,14 @@ F: drivers/mtd/ubi/ F: include/linux/mtd/ubi.h F: include/uapi/mtd/ubi-user.h +USB "USBNET" DRIVER FRAMEWORK +M: Oliver Neukum <oneukum@suse.com> +L: netdev@vger.kernel.org +W: http://www.linux-usb.org/usbnet +S: Maintained +F: drivers/net/usb/usbnet.c +F: include/linux/usb/usbnet.h + USB ACM DRIVER M: Oliver Neukum <oneukum@suse.com> L: linux-usb@vger.kernel.org @@ -13750,14 +13757,6 @@ L: linux-usb@vger.kernel.org S: Maintained F: drivers/usb/host/uhci* -USB "USBNET" DRIVER FRAMEWORK -M: Oliver Neukum <oneukum@suse.com> -L: netdev@vger.kernel.org -W: http://www.linux-usb.org/usbnet -S: Maintained -F: drivers/net/usb/usbnet.c -F: include/linux/usb/usbnet.h - USB VIDEO CLASS M: Laurent Pinchart <laurent.pinchart@ideasonboard.com> L: linux-uvc-devel@lists.sourceforge.net (subscribers-only) @@ -13812,13 +13811,6 @@ S: Maintained F: Documentation/media/v4l-drivers/zr364xx* F: drivers/media/usb/zr364xx/ -ULPI BUS -M: Heikki Krogerus <heikki.krogerus@linux.intel.com> -L: linux-usb@vger.kernel.org -S: Maintained -F: drivers/usb/common/ulpi.c -F: include/linux/ulpi/ - USER-MODE LINUX (UML) M: Jeff Dike <jdike@addtoit.com> M: Richard Weinberger <richard@nod.at> @@ -13912,6 +13904,37 @@ F: drivers/gpu/vga/vga_switcheroo.c F: include/linux/vga_switcheroo.h T: git git://anongit.freedesktop.org/drm/drm-misc +VIA RHINE NETWORK DRIVER +S: Orphan +F: drivers/net/ethernet/via/via-rhine.c + +VIA SD/MMC CARD CONTROLLER DRIVER +M: Bruce Chang <brucechang@via.com.tw> +M: Harald Welte <HaraldWelte@viatech.com> +S: Maintained +F: drivers/mmc/host/via-sdmmc.c + +VIA UNICHROME(PRO)/CHROME9 FRAMEBUFFER DRIVER +M: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> +L: linux-fbdev@vger.kernel.org +S: Maintained +F: include/linux/via-core.h +F: include/linux/via-gpio.h +F: include/linux/via_i2c.h +F: drivers/video/fbdev/via/ + +VIA VELOCITY NETWORK DRIVER +M: Francois Romieu <romieu@fr.zoreil.com> +L: netdev@vger.kernel.org +S: Maintained +F: drivers/net/ethernet/via/via-velocity.* + +VIDEO MULTIPLEXER DRIVER +M: Philipp Zabel <p.zabel@pengutronix.de> +L: linux-media@vger.kernel.org +S: Maintained +F: drivers/media/platform/video-mux.c + VIDEOBUF2 FRAMEWORK M: Pawel Osciak <pawel@osciak.com> M: Marek Szyprowski <m.szyprowski@samsung.com> @@ -13921,11 +13944,20 @@ S: Maintained F: drivers/media/v4l2-core/videobuf2-* F: include/media/videobuf2-* -VIDEO MULTIPLEXER DRIVER -M: Philipp Zabel <p.zabel@pengutronix.de> +VIMC VIRTUAL MEDIA CONTROLLER DRIVER +M: Helen Koike <helen.koike@collabora.com> L: linux-media@vger.kernel.org +T: git git://linuxtv.org/media_tree.git +W: https://linuxtv.org S: Maintained -F: drivers/media/platform/video-mux.c +F: drivers/media/platform/vimc/* + +VIRT LIB +M: Alex Williamson <alex.williamson@redhat.com> +M: Paolo Bonzini <pbonzini@redhat.com> +L: kvm@vger.kernel.org +S: Supported +F: virt/lib/ VIRTIO AND VHOST VSOCK DRIVER M: Stefan Hajnoczi <stefanha@redhat.com> @@ -13943,12 +13975,6 @@ F: drivers/net/vsockmon.c F: drivers/vhost/vsock.c F: drivers/vhost/vsock.h -VIRTUAL SERIO DEVICE DRIVER -M: Stephen Chandler Paul <thatslyude@gmail.com> -S: Maintained -F: drivers/input/serio/userio.c -F: include/uapi/linux/userio.h - VIRTIO CONSOLE DRIVER M: Amit Shah <amit@kernel.org> L: virtualization@lists.linux-foundation.org @@ -13971,6 +13997,14 @@ F: include/linux/virtio*.h F: include/uapi/linux/virtio_*.h F: drivers/crypto/virtio/ +VIRTIO CRYPTO DRIVER +M: Gonglei <arei.gonglei@huawei.com> +L: virtualization@lists.linux-foundation.org +L: linux-crypto@vger.kernel.org +S: Maintained +F: drivers/crypto/virtio/ +F: include/uapi/linux/virtio_crypto.h + VIRTIO DRIVERS FOR S390 M: Cornelia Huck <cohuck@redhat.com> M: Halil Pasic <pasic@linux.vnet.ibm.com> @@ -14007,45 +14041,11 @@ S: Maintained F: drivers/virtio/virtio_input.c F: include/uapi/linux/virtio_input.h -VIRTIO CRYPTO DRIVER -M: Gonglei <arei.gonglei@huawei.com> -L: virtualization@lists.linux-foundation.org -L: linux-crypto@vger.kernel.org -S: Maintained -F: drivers/crypto/virtio/ -F: include/uapi/linux/virtio_crypto.h - -VIA RHINE NETWORK DRIVER -S: Orphan -F: drivers/net/ethernet/via/via-rhine.c - -VIA SD/MMC CARD CONTROLLER DRIVER -M: Bruce Chang <brucechang@via.com.tw> -M: Harald Welte <HaraldWelte@viatech.com> -S: Maintained -F: drivers/mmc/host/via-sdmmc.c - -VIA UNICHROME(PRO)/CHROME9 FRAMEBUFFER DRIVER -M: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> -L: linux-fbdev@vger.kernel.org -S: Maintained -F: include/linux/via-core.h -F: include/linux/via-gpio.h -F: include/linux/via_i2c.h -F: drivers/video/fbdev/via/ - -VIA VELOCITY NETWORK DRIVER -M: Francois Romieu <romieu@fr.zoreil.com> -L: netdev@vger.kernel.org +VIRTUAL SERIO DEVICE DRIVER +M: Stephen Chandler Paul <thatslyude@gmail.com> S: Maintained -F: drivers/net/ethernet/via/via-velocity.* - -VIRT LIB -M: Alex Williamson <alex.williamson@redhat.com> -M: Paolo Bonzini <pbonzini@redhat.com> -L: kvm@vger.kernel.org -S: Supported -F: virt/lib/ +F: drivers/input/serio/userio.c +F: include/uapi/linux/userio.h VIVID VIRTUAL VIDEO DRIVER M: Hans Verkuil <hverkuil@xs4all.nl> @@ -14055,14 +14055,6 @@ W: https://linuxtv.org S: Maintained F: drivers/media/platform/vivid/* -VIMC VIRTUAL MEDIA CONTROLLER DRIVER -M: Helen Koike <helen.koike@collabora.com> -L: linux-media@vger.kernel.org -T: git git://linuxtv.org/media_tree.git -W: https://linuxtv.org -S: Maintained -F: drivers/media/platform/vimc/* - VLYNQ BUS M: Florian Fainelli <f.fainelli@gmail.com> L: openwrt-devel@lists.openwrt.org (subscribers-only) @@ -14082,12 +14074,6 @@ F: drivers/staging/vme/ F: drivers/vme/ F: include/linux/vme* -VMWARE HYPERVISOR INTERFACE -M: Alok Kataria <akataria@vmware.com> -L: virtualization@lists.linux-foundation.org -S: Supported -F: arch/x86/kernel/cpu/vmware.c - VMWARE BALLOON DRIVER M: Xavier Deguillard <xdeguillard@vmware.com> M: Philip Moltmann <moltmann@vmware.com> @@ -14096,6 +14082,27 @@ L: linux-kernel@vger.kernel.org S: Maintained F: drivers/misc/vmw_balloon.c +VMWARE HYPERVISOR INTERFACE +M: Alok Kataria <akataria@vmware.com> +L: virtualization@lists.linux-foundation.org +S: Supported +F: arch/x86/kernel/cpu/vmware.c + +VMWARE PVRDMA DRIVER +M: Adit Ranadive <aditr@vmware.com> +M: VMware PV-Drivers <pv-drivers@vmware.com> +L: linux-rdma@vger.kernel.org +S: Maintained +F: drivers/infiniband/hw/vmw_pvrdma/ + +VMware PVSCSI driver +M: Jim Gill <jgill@vmware.com> +M: VMware PV-Drivers <pv-drivers@vmware.com> +L: linux-scsi@vger.kernel.org +S: Maintained +F: drivers/scsi/vmw_pvscsi.c +F: drivers/scsi/vmw_pvscsi.h + VMWARE VMMOUSE SUBDRIVER M: "VMware Graphics" <linux-graphics-maintainer@vmware.com> M: "VMware, Inc." <pv-drivers@vmware.com> @@ -14111,21 +14118,6 @@ L: netdev@vger.kernel.org S: Maintained F: drivers/net/vmxnet3/ -VMware PVSCSI driver -M: Jim Gill <jgill@vmware.com> -M: VMware PV-Drivers <pv-drivers@vmware.com> -L: linux-scsi@vger.kernel.org -S: Maintained -F: drivers/scsi/vmw_pvscsi.c -F: drivers/scsi/vmw_pvscsi.h - -VMWARE PVRDMA DRIVER -M: Adit Ranadive <aditr@vmware.com> -M: VMware PV-Drivers <pv-drivers@vmware.com> -L: linux-rdma@vger.kernel.org -S: Maintained -F: drivers/infiniband/hw/vmw_pvrdma/ - VOLTAGE AND CURRENT REGULATOR FRAMEWORK M: Liam Girdwood <lgirdwood@gmail.com> M: Mark Brown <broonie@kernel.org> @@ -14224,6 +14216,27 @@ L: linux-input@vger.kernel.org S: Maintained F: drivers/hid/hid-wiimote* +WILOCITY WIL6210 WIRELESS DRIVER +M: Maya Erez <qca_merez@qca.qualcomm.com> +L: linux-wireless@vger.kernel.org +L: wil6210@qca.qualcomm.com +S: Supported +W: http://wireless.kernel.org/en/users/Drivers/wil6210 +F: drivers/net/wireless/ath/wil6210/ +F: include/uapi/linux/wil6210_uapi.h + +WIMAX STACK +M: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> +M: linux-wimax@intel.com +L: wimax@linuxwimax.org (subscribers-only) +S: Supported +W: http://linuxwimax.org +F: Documentation/wimax/README.wimax +F: include/linux/wimax/debug.h +F: include/net/wimax.h +F: include/uapi/linux/wimax.h +F: net/wimax/ + WINBOND CIR DRIVER M: David Härdeman <david@hardeman.nu> S: Maintained @@ -14241,18 +14254,6 @@ L: linux-gpio@vger.kernel.org S: Maintained F: drivers/gpio/gpio-ws16c48.c -WIMAX STACK -M: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> -M: linux-wimax@intel.com -L: wimax@linuxwimax.org (subscribers-only) -S: Supported -W: http://linuxwimax.org -F: Documentation/wimax/README.wimax -F: include/linux/wimax/debug.h -F: include/net/wimax.h -F: include/uapi/linux/wimax.h -F: net/wimax/ - WISTRON LAPTOP BUTTON DRIVER M: Miloslav Trmac <mitr@volny.cz> S: Maintained @@ -14337,15 +14338,6 @@ S: Maintained F: Documentation/x86/ F: arch/x86/ -X86 PLATFORM DRIVERS -M: Darren Hart <dvhart@infradead.org> -M: Andy Shevchenko <andy@infradead.org> -L: platform-driver-x86@vger.kernel.org -T: git git://git.infradead.org/users/dvhart/linux-platform-drivers-x86.git -S: Maintained -F: drivers/platform/x86/ -F: drivers/platform/olpc/ - X86 MCE INFRASTRUCTURE M: Tony Luck <tony.luck@intel.com> M: Borislav Petkov <bp@alien8.de> @@ -14358,6 +14350,15 @@ M: Borislav Petkov <bp@alien8.de> S: Maintained F: arch/x86/kernel/cpu/microcode/* +X86 PLATFORM DRIVERS +M: Darren Hart <dvhart@infradead.org> +M: Andy Shevchenko <andy@infradead.org> +L: platform-driver-x86@vger.kernel.org +T: git git://git.infradead.org/users/dvhart/linux-platform-drivers-x86.git +S: Maintained +F: drivers/platform/x86/ +F: drivers/platform/olpc/ + X86 VDSO M: Andy Lutomirski <luto@amacapital.net> L: linux-kernel@vger.kernel.org @@ -14374,20 +14375,13 @@ T: git git://linuxtv.org/media_tree.git S: Maintained F: drivers/media/tuners/tuner-xc2028.* -XEN HYPERVISOR INTERFACE -M: Boris Ostrovsky <boris.ostrovsky@oracle.com> -M: Juergen Gross <jgross@suse.com> +XEN BLOCK SUBSYSTEM +M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> +M: Roger Pau Monné <roger.pau@citrix.com> L: xen-devel@lists.xenproject.org (moderated for non-subscribers) -T: git git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git S: Supported -F: arch/x86/xen/ -F: drivers/*/xen-*front.c -F: drivers/xen/ -F: arch/x86/include/asm/xen/ -F: include/xen/ -F: include/uapi/xen/ -F: Documentation/ABI/stable/sysfs-hypervisor-xen -F: Documentation/ABI/testing/sysfs-hypervisor-xen +F: drivers/block/xen-blkback/* +F: drivers/block/xen* XEN HYPERVISOR ARM M: Stefano Stabellini <sstabellini@kernel.org> @@ -14403,6 +14397,21 @@ S: Maintained F: arch/arm64/xen/ F: arch/arm64/include/asm/xen/ +XEN HYPERVISOR INTERFACE +M: Boris Ostrovsky <boris.ostrovsky@oracle.com> +M: Juergen Gross <jgross@suse.com> +L: xen-devel@lists.xenproject.org (moderated for non-subscribers) +T: git git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git +S: Supported +F: arch/x86/xen/ +F: drivers/*/xen-*front.c +F: drivers/xen/ +F: arch/x86/include/asm/xen/ +F: include/xen/ +F: include/uapi/xen/ +F: Documentation/ABI/stable/sysfs-hypervisor-xen +F: Documentation/ABI/testing/sysfs-hypervisor-xen + XEN NETWORK BACKEND DRIVER M: Wei Liu <wei.liu2@citrix.com> M: Paul Durrant <paul.durrant@citrix.com> @@ -14418,14 +14427,6 @@ S: Supported F: arch/x86/pci/*xen* F: drivers/pci/*xen* -XEN BLOCK SUBSYSTEM -M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> -M: Roger Pau Monné <roger.pau@citrix.com> -L: xen-devel@lists.xenproject.org (moderated for non-subscribers) -S: Supported -F: drivers/block/xen-blkback/* -F: drivers/block/xen* - XEN PVSCSI DRIVERS M: Juergen Gross <jgross@suse.com> L: xen-devel@lists.xenproject.org (moderated for non-subscribers) @@ -14502,6 +14503,13 @@ S: Maintained F: drivers/net/hamradio/yam* F: include/linux/yam.h +YAMA SECURITY MODULE +M: Kees Cook <keescook@chromium.org> +T: git git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git yama/tip +S: Supported +F: security/yama/ +F: Documentation/admin-guide/LSM/Yama.rst + YEALINK PHONE DRIVER M: Henk Vergonet <Henk.Vergonet@gmail.com> L: usbb2k-api-dev@nongnu.org @@ -14536,23 +14544,23 @@ L: zd1211-devs@lists.sourceforge.net (subscribers-only) S: Maintained F: drivers/net/wireless/zydas/zd1211rw/ -ZD1301_DEMOD MEDIA DRIVER +ZD1301 MEDIA DRIVER M: Antti Palosaari <crope@iki.fi> L: linux-media@vger.kernel.org W: https://linuxtv.org/ W: http://palosaari.fi/linux/ Q: https://patchwork.linuxtv.org/project/linux-media/list/ S: Maintained -F: drivers/media/dvb-frontends/zd1301_demod* +F: drivers/media/usb/dvb-usb-v2/zd1301* -ZD1301 MEDIA DRIVER +ZD1301_DEMOD MEDIA DRIVER M: Antti Palosaari <crope@iki.fi> L: linux-media@vger.kernel.org W: https://linuxtv.org/ W: http://palosaari.fi/linux/ Q: https://patchwork.linuxtv.org/project/linux-media/list/ S: Maintained -F: drivers/media/usb/dvb-usb-v2/zd1301* +F: drivers/media/dvb-frontends/zd1301_demod* ZPOOL COMPRESSED PAGE STORAGE API M: Dan Streetman <ddstreet@ieee.org> @@ -1,7 +1,7 @@ VERSION = 4 PATCHLEVEL = 13 SUBLEVEL = 0 -EXTRAVERSION = -rc1 +EXTRAVERSION = -rc2 NAME = Fearless Coyote # *DOCUMENTATION* diff --git a/arch/alpha/include/uapi/asm/ioctls.h b/arch/alpha/include/uapi/asm/ioctls.h index ff67b8373bf7..1cd7dc7d4870 100644 --- a/arch/alpha/include/uapi/asm/ioctls.h +++ b/arch/alpha/include/uapi/asm/ioctls.h @@ -100,7 +100,7 @@ #define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */ #define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */ #define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */ -#define TIOCGPTPEER _IOR('T', 0x41, int) /* Safely open the slave */ +#define TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */ #define TIOCSERCONFIG 0x5453 #define TIOCSERGWILD 0x5454 diff --git a/arch/arm/include/asm/bug.h b/arch/arm/include/asm/bug.h index 4e6e88a6b2f4..2244a94ed9c9 100644 --- a/arch/arm/include/asm/bug.h +++ b/arch/arm/include/asm/bug.h @@ -37,7 +37,7 @@ do { \ ".pushsection .rodata.str, \"aMS\", %progbits, 1\n" \ "2:\t.asciz " #__file "\n" \ ".popsection\n" \ - ".pushsection __bug_table,\"a\"\n" \ + ".pushsection __bug_table,\"aw\"\n" \ ".align 2\n" \ "3:\t.word 1b, 2b\n" \ "\t.hword " #__line ", 0\n" \ diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index d69bebf697e7..74504b154256 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -116,7 +116,7 @@ struct cpu_cache_fns { void (*dma_unmap_area)(const void *, size_t, int); void (*dma_flush_range)(const void *, const void *); -}; +} __no_randomize_layout; /* * Select the calling method diff --git a/arch/arm64/include/asm/bug.h b/arch/arm64/include/asm/bug.h index 366448eb0fb7..a02a57186f56 100644 --- a/arch/arm64/include/asm/bug.h +++ b/arch/arm64/include/asm/bug.h @@ -36,7 +36,7 @@ #ifdef CONFIG_GENERIC_BUG #define __BUG_ENTRY(flags) \ - ".pushsection __bug_table,\"a\"\n\t" \ + ".pushsection __bug_table,\"aw\"\n\t" \ ".align 2\n\t" \ "0: .long 1f - 0b\n\t" \ _BUGVERBOSE_LOCATION(__FILE__, __LINE__) \ diff --git a/arch/blackfin/include/asm/bug.h b/arch/blackfin/include/asm/bug.h index 8d9b1eba89c4..76b2e82ee730 100644 --- a/arch/blackfin/include/asm/bug.h +++ b/arch/blackfin/include/asm/bug.h @@ -21,7 +21,7 @@ #define _BUG_OR_WARN(flags) \ asm volatile( \ "1: .hword %0\n" \ - " .section __bug_table,\"a\",@progbits\n" \ + " .section __bug_table,\"aw\",@progbits\n" \ "2: .long 1b\n" \ " .long %1\n" \ " .short %2\n" \ @@ -38,7 +38,7 @@ #define _BUG_OR_WARN(flags) \ asm volatile( \ "1: .hword %0\n" \ - " .section __bug_table,\"a\",@progbits\n" \ + " .section __bug_table,\"aw\",@progbits\n" \ "2: .long 1b\n" \ " .short %1\n" \ " .org 2b + %2\n" \ diff --git a/arch/blackfin/include/asm/flat.h b/arch/blackfin/include/asm/flat.h index 296d7f56fbfd..f1d6ba7afbf2 100644 --- a/arch/blackfin/include/asm/flat.h +++ b/arch/blackfin/include/asm/flat.h @@ -44,8 +44,7 @@ flat_get_relocate_addr (unsigned long relval) return relval & 0x03ffffff; /* Mask out top 6 bits */ } -static inline int flat_set_persistent(unsigned long relval, - unsigned long *persistent) +static inline int flat_set_persistent(u32 relval, u32 *persistent) { int type = (relval >> 26) & 7; if (type == 3) { diff --git a/arch/blackfin/kernel/flat.c b/arch/blackfin/kernel/flat.c index d29ab6a2e909..8ebc54daaa8e 100644 --- a/arch/blackfin/kernel/flat.c +++ b/arch/blackfin/kernel/flat.c @@ -32,7 +32,7 @@ unsigned long bfin_get_addr_from_rp(u32 *ptr, break; case FLAT_BFIN_RELOC_TYPE_32_BIT: - pr_debug("*ptr = %lx", get_unaligned(ptr)); + pr_debug("*ptr = %x", get_unaligned(ptr)); val = get_unaligned(ptr); break; @@ -77,7 +77,7 @@ void bfin_put_addr_at_rp(u32 *ptr, u32 addr, u32 relval) case FLAT_BFIN_RELOC_TYPE_32_BIT: put_unaligned(addr, ptr); - pr_debug("new ptr =%lx", get_unaligned(ptr)); + pr_debug("new ptr =%x", get_unaligned(ptr)); break; } } diff --git a/arch/h8300/include/asm/flat.h b/arch/h8300/include/asm/flat.h index 18d024251738..7e0bd6fa1532 100644 --- a/arch/h8300/include/asm/flat.h +++ b/arch/h8300/include/asm/flat.h @@ -24,7 +24,7 @@ static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags, u32 *addr, u32 *persistent) { u32 val = get_unaligned((__force u32 *)rp); - if (!(flags & FLAT_FLAG_GOTPIC) + if (!(flags & FLAT_FLAG_GOTPIC)) val &= 0x00ffffff; *addr = val; return 0; diff --git a/arch/m68k/include/asm/flat.h b/arch/m68k/include/asm/flat.h index 48b62790fe70..b2a41f5b3890 100644 --- a/arch/m68k/include/asm/flat.h +++ b/arch/m68k/include/asm/flat.h @@ -30,8 +30,7 @@ static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel) } #define flat_get_relocate_addr(rel) (rel) -static inline int flat_set_persistent(unsigned long relval, - unsigned long *persistent) +static inline int flat_set_persistent(u32 relval, u32 *persistent) { return 0; } diff --git a/arch/mips/include/uapi/asm/ioctls.h b/arch/mips/include/uapi/asm/ioctls.h index 68e19b689a00..1609cb0907ac 100644 --- a/arch/mips/include/uapi/asm/ioctls.h +++ b/arch/mips/include/uapi/asm/ioctls.h @@ -91,7 +91,7 @@ #define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */ #define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */ #define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */ -#define TIOCGPTPEER _IOR('T', 0x41, int) /* Safely open the slave */ +#define TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */ /* I hope the range from 0x5480 on is free ... */ #define TIOCSCTTY 0x5480 /* become controlling tty */ diff --git a/arch/mn10300/include/asm/bug.h b/arch/mn10300/include/asm/bug.h index aa6a38886391..811414fb002d 100644 --- a/arch/mn10300/include/asm/bug.h +++ b/arch/mn10300/include/asm/bug.h @@ -21,7 +21,7 @@ do { \ asm volatile( \ " syscall 15 \n" \ "0: \n" \ - " .section __bug_table,\"a\" \n" \ + " .section __bug_table,\"aw\" \n" \ " .long 0b,%0,%1 \n" \ " .previous \n" \ : \ diff --git a/arch/parisc/include/asm/bug.h b/arch/parisc/include/asm/bug.h index d2742273a685..07ea467f22fc 100644 --- a/arch/parisc/include/asm/bug.h +++ b/arch/parisc/include/asm/bug.h @@ -27,7 +27,7 @@ do { \ asm volatile("\n" \ "1:\t" PARISC_BUG_BREAK_ASM "\n" \ - "\t.pushsection __bug_table,\"a\"\n" \ + "\t.pushsection __bug_table,\"aw\"\n" \ "2:\t" ASM_WORD_INSN "1b, %c0\n" \ "\t.short %c1, %c2\n" \ "\t.org 2b+%c3\n" \ @@ -50,7 +50,7 @@ do { \ asm volatile("\n" \ "1:\t" PARISC_BUG_BREAK_ASM "\n" \ - "\t.pushsection __bug_table,\"a\"\n" \ + "\t.pushsection __bug_table,\"aw\"\n" \ "2:\t" ASM_WORD_INSN "1b, %c0\n" \ "\t.short %c1, %c2\n" \ "\t.org 2b+%c3\n" \ @@ -64,7 +64,7 @@ do { \ asm volatile("\n" \ "1:\t" PARISC_BUG_BREAK_ASM "\n" \ - "\t.pushsection __bug_table,\"a\"\n" \ + "\t.pushsection __bug_table,\"aw\"\n" \ "2:\t" ASM_WORD_INSN "1b\n" \ "\t.short %c0\n" \ "\t.org 2b+%c1\n" \ diff --git a/arch/parisc/include/uapi/asm/ioctls.h b/arch/parisc/include/uapi/asm/ioctls.h index 674c68a5bbd0..d0e3321403be 100644 --- a/arch/parisc/include/uapi/asm/ioctls.h +++ b/arch/parisc/include/uapi/asm/ioctls.h @@ -60,7 +60,7 @@ #define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */ #define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */ #define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */ -#define TIOCGPTPEER _IOR('T', 0x41, int) /* Safely open the slave */ +#define TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */ #define FIONCLEX 0x5450 /* these numbers need to be adjusted. */ #define FIOCLEX 0x5451 diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 36f858c37ca7..bf6abab46dcc 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -85,6 +85,17 @@ config NMI_IPI depends on SMP && (DEBUGGER || KEXEC_CORE || HARDLOCKUP_DETECTOR) default y +config PPC_WATCHDOG + bool + depends on HARDLOCKUP_DETECTOR + depends on HAVE_HARDLOCKUP_DETECTOR_ARCH + default y + help + This is a placeholder when the powerpc hardlockup detector + watchdog is selected (arch/powerpc/kernel/watchdog.c). It is + seleted via the generic lockup detector menu which is why we + have no standalone config option for it here. + config STACKTRACE_SUPPORT bool default y @@ -165,7 +176,7 @@ config PPC select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT select HAVE_ARCH_SECCOMP_FILTER select HAVE_ARCH_TRACEHOOK - select ARCH_HAS_STRICT_KERNEL_RWX if (PPC_BOOK3S_64 && !RELOCATABLE && !HIBERNATION) + select ARCH_HAS_STRICT_KERNEL_RWX if ((PPC_BOOK3S_64 || PPC32) && !RELOCATABLE && !HIBERNATION) select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX select HAVE_CBPF_JIT if !PPC64 select HAVE_CONTEXT_TRACKING if PPC64 @@ -394,7 +405,7 @@ config HUGETLB_PAGE_SIZE_VARIABLE config MATH_EMULATION bool "Math emulation" - depends on 4xx || 8xx || PPC_MPC832x || BOOKE + depends on 4xx || PPC_8xx || PPC_MPC832x || BOOKE ---help--- Some PowerPC chips designed for embedded applications do not have a floating-point unit and therefore do not implement the @@ -956,9 +967,9 @@ config PPC_PCI_CHOICE config PCI bool "PCI support" if PPC_PCI_CHOICE - default y if !40x && !CPM2 && !8xx && !PPC_83xx \ + default y if !40x && !CPM2 && !PPC_8xx && !PPC_83xx \ && !PPC_85xx && !PPC_86xx && !GAMECUBE_COMMON - default PCI_QSPAN if !4xx && !CPM2 && 8xx + default PCI_QSPAN if PPC_8xx select GENERIC_PCI_IOMAP help Find out whether your system includes a PCI bus. PCI is the name of @@ -974,7 +985,7 @@ config PCI_SYSCALL config PCI_QSPAN bool "QSpan PCI" - depends on !4xx && !CPM2 && 8xx + depends on PPC_8xx select PPC_I8259 help Say Y here if you have a system based on a Motorola 8xx-series @@ -1165,12 +1176,23 @@ config CONSISTENT_SIZE config PIN_TLB bool "Pinned Kernel TLBs (860 ONLY)" - depends on ADVANCED_OPTIONS && 8xx + depends on ADVANCED_OPTIONS && PPC_8xx && \ + !DEBUG_PAGEALLOC && !STRICT_KERNEL_RWX + +config PIN_TLB_DATA + bool "Pinned TLB for DATA" + depends on PIN_TLB + default y config PIN_TLB_IMMR bool "Pinned TLB for IMMR" depends on PIN_TLB default y + +config PIN_TLB_TEXT + bool "Pinned TLB for TEXT" + depends on PIN_TLB + default y endmenu if PPC64 diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index e2b3e7a00c9e..1381693a4a51 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -250,7 +250,7 @@ KBUILD_AFLAGS += $(aflags-y) KBUILD_CFLAGS += $(cflags-y) head-y := arch/powerpc/kernel/head_$(BITS).o -head-$(CONFIG_8xx) := arch/powerpc/kernel/head_8xx.o +head-$(CONFIG_PPC_8xx) := arch/powerpc/kernel/head_8xx.o head-$(CONFIG_40x) := arch/powerpc/kernel/head_40x.o head-$(CONFIG_44x) := arch/powerpc/kernel/head_44x.o head-$(CONFIG_FSL_BOOKE) := arch/powerpc/kernel/head_fsl_booke.o @@ -317,6 +317,10 @@ PHONY += ppc64le_defconfig ppc64le_defconfig: $(call merge_into_defconfig,ppc64_defconfig,le) +PHONY += powernv_be_defconfig +powernv_be_defconfig: + $(call merge_into_defconfig,powernv_defconfig,be) + PHONY += mpc85xx_defconfig mpc85xx_defconfig: $(call merge_into_defconfig,mpc85xx_basic_defconfig,\ diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 6f952fe1f084..8a437c5f6b01 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -115,7 +115,7 @@ src-wlib-y += crtsavres.S endif src-wlib-$(CONFIG_40x) += 4xx.c planetcore.c src-wlib-$(CONFIG_44x) += 4xx.c ebony.c bamboo.c -src-wlib-$(CONFIG_8xx) += mpc8xx.c planetcore.c fsl-soc.c +src-wlib-$(CONFIG_PPC_8xx) += mpc8xx.c planetcore.c fsl-soc.c src-wlib-$(CONFIG_PPC_82xx) += pq2.c fsl-soc.c planetcore.c src-wlib-$(CONFIG_EMBEDDED6xx) += mv64x60.c mv64x60_i2c.c ugecon.c fsl-soc.c @@ -132,7 +132,7 @@ src-plat-$(CONFIG_44x) += treeboot-ebony.c cuboot-ebony.c treeboot-bamboo.c \ treeboot-iss4xx.c treeboot-currituck.c \ treeboot-akebono.c \ simpleboot.c fixed-head.S virtex.c -src-plat-$(CONFIG_8xx) += cuboot-8xx.c fixed-head.S ep88xc.c redboot-8xx.c +src-plat-$(CONFIG_PPC_8xx) += cuboot-8xx.c fixed-head.S ep88xc.c redboot-8xx.c src-plat-$(CONFIG_PPC_MPC52xx) += cuboot-52xx.c src-plat-$(CONFIG_PPC_82xx) += cuboot-pq2.c fixed-head.S ep8248e.c cuboot-824x.c src-plat-$(CONFIG_PPC_83xx) += cuboot-83xx.c fixed-head.S redboot-83xx.c diff --git a/arch/powerpc/boot/dts/fsp2.dts b/arch/powerpc/boot/dts/fsp2.dts index 475953ada707..f10a64aeb83b 100644 --- a/arch/powerpc/boot/dts/fsp2.dts +++ b/arch/powerpc/boot/dts/fsp2.dts @@ -52,6 +52,7 @@ clocks { mmc_clk: mmc_clk { compatible = "fixed-clock"; + #clock-cells = <0>; clock-frequency = <50000000>; clock-output-names = "mmc_clk"; }; @@ -359,20 +360,6 @@ interrupts = <31 0x4 15 0x84>; }; - mmc0: sdhci@020c0000 { - compatible = "st,sdhci-stih407", "st,sdhci"; - status = "disabled"; - reg = <0x020c0000 0x20000>; - reg-names = "mmc"; - interrupt-parent = <&UIC1_3>; - interrupts = <21 0x4 22 0x4>; - interrupt-names = "mmcirq"; - pinctrl-names = "default"; - pinctrl-0 = <>; - clock-names = "mmc"; - clocks = <&mmc_clk>; - }; - plb6 { compatible = "ibm,plb6"; #address-cells = <2>; @@ -501,6 +488,24 @@ /*RXDE*/ 4 &UIC1_2 13 0x4>; }; + mmc0: mmc@20c0000 { + compatible = "st,sdhci-stih407", "st,sdhci"; + reg = <0x020c0000 0x20000>; + reg-names = "mmc"; + interrupts = <21 0x4>; + interrupt-parent = <&UIC1_3>; + interrupt-names = "mmcirq"; + pinctrl-names = "default"; + pinctrl-0 = <>; + clock-names = "mmc"; + clocks = <&mmc_clk>; + bus-width = <4>; + non-removable; + sd-uhs-sdr50; + sd-uhs-sdr104; + sd-uhs-ddr50; + }; + opb { compatible = "ibm,opb"; #address-cells = <1>; diff --git a/arch/powerpc/boot/ppc_asm.h b/arch/powerpc/boot/ppc_asm.h index 68e388ee94fe..c63299f9fdd9 100644 --- a/arch/powerpc/boot/ppc_asm.h +++ b/arch/powerpc/boot/ppc_asm.h @@ -80,4 +80,12 @@ .long 0xa6037b7d; /* mtsrr1 r11 */ \ .long 0x2400004c /* rfid */ +#ifdef CONFIG_PPC_8xx +#define MFTBL(dest) mftb dest +#define MFTBU(dest) mftbu dest +#else +#define MFTBL(dest) mfspr dest, SPRN_TBRL +#define MFTBU(dest) mfspr dest, SPRN_TBRU +#endif + #endif /* _PPC64_PPC_ASM_H */ diff --git a/arch/powerpc/boot/util.S b/arch/powerpc/boot/util.S index 243b8497d58b..ec069177d942 100644 --- a/arch/powerpc/boot/util.S +++ b/arch/powerpc/boot/util.S @@ -71,32 +71,18 @@ udelay: add r4,r4,r5 addi r4,r4,-1 divw r4,r4,r5 /* BUS ticks */ -#ifdef CONFIG_8xx -1: mftbu r5 - mftb r6 - mftbu r7 -#else -1: mfspr r5, SPRN_TBRU - mfspr r6, SPRN_TBRL - mfspr r7, SPRN_TBRU -#endif +1: MFTBU(r5) + MFTBL(r6) + MFTBU(r7) cmpw 0,r5,r7 bne 1b /* Get [synced] base time */ addc r9,r6,r4 /* Compute end time */ addze r8,r5 -#ifdef CONFIG_8xx -2: mftbu r5 -#else -2: mfspr r5, SPRN_TBRU -#endif +2: MFTBU(r5) cmpw 0,r5,r8 blt 2b bgt 3f -#ifdef CONFIG_8xx - mftb r6 -#else - mfspr r6, SPRN_TBRL -#endif + MFTBL(r6) cmpw 0,r6,r9 blt 2b 3: blr diff --git a/arch/powerpc/configs/44x/fsp2_defconfig b/arch/powerpc/configs/44x/fsp2_defconfig index e8e6a6999852..935aabe488c1 100644 --- a/arch/powerpc/configs/44x/fsp2_defconfig +++ b/arch/powerpc/configs/44x/fsp2_defconfig @@ -92,8 +92,10 @@ CONFIG_MMC_DEBUG=y CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_PLTFM=y CONFIG_MMC_SDHCI_OF_ARASAN=y +CONFIG_MMC_SDHCI_ST=y CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_M41T80=y +CONFIG_RESET_CONTROLLER=y CONFIG_EXT2_FS=y CONFIG_EXT4_FS=y CONFIG_EXT4_FS_POSIX_ACL=y diff --git a/arch/powerpc/configs/be.config b/arch/powerpc/configs/be.config new file mode 100644 index 000000000000..c5cdc99a6530 --- /dev/null +++ b/arch/powerpc/configs/be.config @@ -0,0 +1 @@ +CONFIG_CPU_BIG_ENDIAN=y diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild index 5c4fbc80dc6c..2542ea15d338 100644 --- a/arch/powerpc/include/asm/Kbuild +++ b/arch/powerpc/include/asm/Kbuild @@ -8,3 +8,4 @@ generic-y += mcs_spinlock.h generic-y += preempt.h generic-y += rwsem.h generic-y += vtime.h +generic-y += msi.h diff --git a/arch/powerpc/include/asm/book3s/32/pgtable.h b/arch/powerpc/include/asm/book3s/32/pgtable.h index 7fb755880409..4d453f979553 100644 --- a/arch/powerpc/include/asm/book3s/32/pgtable.h +++ b/arch/powerpc/include/asm/book3s/32/pgtable.h @@ -294,13 +294,11 @@ static inline void __ptep_set_access_flags(struct mm_struct *mm, #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) >> 3 }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val << 3 }) -extern int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep, - pmd_t **pmdp); - int map_kernel_page(unsigned long va, phys_addr_t pa, int flags); /* Generic accessors to PTE bits */ static inline int pte_write(pte_t pte) { return !!(pte_val(pte) & _PAGE_RW);} +static inline int pte_read(pte_t pte) { return 1; } static inline int pte_dirty(pte_t pte) { return !!(pte_val(pte) & _PAGE_DIRTY); } static inline int pte_young(pte_t pte) { return !!(pte_val(pte) & _PAGE_ACCESSED); } static inline int pte_special(pte_t pte) { return !!(pte_val(pte) & _PAGE_SPECIAL); } diff --git a/arch/powerpc/include/asm/book3s/64/hash.h b/arch/powerpc/include/asm/book3s/64/hash.h index 36fc7bfe9e11..f88452019114 100644 --- a/arch/powerpc/include/asm/book3s/64/hash.h +++ b/arch/powerpc/include/asm/book3s/64/hash.h @@ -40,7 +40,7 @@ * Define the address range of the kernel non-linear virtual area */ #define H_KERN_VIRT_START ASM_CONST(0xD000000000000000) -#define H_KERN_VIRT_SIZE ASM_CONST(0x0000100000000000) +#define H_KERN_VIRT_SIZE ASM_CONST(0x0000400000000000) /* 64T */ /* * The vmalloc space starts at the beginning of that region, and @@ -48,9 +48,11 @@ * (we keep a quarter for the virtual memmap) */ #define H_VMALLOC_START H_KERN_VIRT_START -#define H_VMALLOC_SIZE (H_KERN_VIRT_SIZE >> 1) +#define H_VMALLOC_SIZE ASM_CONST(0x380000000000) /* 56T */ #define H_VMALLOC_END (H_VMALLOC_START + H_VMALLOC_SIZE) +#define H_KERN_IO_START H_VMALLOC_END + /* * Region IDs */ diff --git a/arch/powerpc/include/asm/book3s/64/hugetlb.h b/arch/powerpc/include/asm/book3s/64/hugetlb.h index 5c28bd6f2ae1..2d1ca488ca44 100644 --- a/arch/powerpc/include/asm/book3s/64/hugetlb.h +++ b/arch/powerpc/include/asm/book3s/64/hugetlb.h @@ -54,9 +54,7 @@ static inline pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma, #ifdef CONFIG_ARCH_HAS_GIGANTIC_PAGE static inline bool gigantic_page_supported(void) { - if (radix_enabled()) - return true; - return false; + return true; } #endif diff --git a/arch/powerpc/include/asm/book3s/64/mmu-hash.h b/arch/powerpc/include/asm/book3s/64/mmu-hash.h index 6981a52b3887..f28d21c69f79 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu-hash.h +++ b/arch/powerpc/include/asm/book3s/64/mmu-hash.h @@ -468,7 +468,7 @@ extern int htab_bolt_mapping(unsigned long vstart, unsigned long vend, int psize, int ssize); int htab_remove_mapping(unsigned long vstart, unsigned long vend, int psize, int ssize); -extern void add_gpage(u64 addr, u64 page_size, unsigned long number_of_pages); +extern void pseries_add_gpage(u64 addr, u64 page_size, unsigned long number_of_pages); extern void demote_segment_4k(struct mm_struct *mm, unsigned long addr); #ifdef CONFIG_PPC_PSERIES diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h index 5b4023c616f7..1a220cdff923 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu.h +++ b/arch/powerpc/include/asm/book3s/64/mmu.h @@ -97,11 +97,6 @@ typedef struct { #ifdef CONFIG_PPC_SUBPAGE_PROT struct subpage_prot_table spt; #endif /* CONFIG_PPC_SUBPAGE_PROT */ -#ifdef CONFIG_PPC_ICSWX - struct spinlock *cop_lockp; /* guard acop and cop_pid */ - unsigned long acop; /* mask of enabled coprocessor types */ - unsigned int cop_pid; /* pid value used with coprocessors */ -#endif /* CONFIG_PPC_ICSWX */ #ifdef CONFIG_PPC_64K_PAGES /* for 4K PTE fragment support */ void *pte_frag; diff --git a/arch/powerpc/include/asm/book3s/64/pgalloc.h b/arch/powerpc/include/asm/book3s/64/pgalloc.h index e2329db9d6f4..1fcfa425cefa 100644 --- a/arch/powerpc/include/asm/book3s/64/pgalloc.h +++ b/arch/powerpc/include/asm/book3s/64/pgalloc.h @@ -41,8 +41,6 @@ extern struct kmem_cache *pgtable_cache[]; pgtable_cache[(shift) - 1]; \ }) -#define PGALLOC_GFP GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO - extern pte_t *pte_fragment_alloc(struct mm_struct *, unsigned long, int); extern void pte_fragment_free(unsigned long *, int); extern void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift); diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index 818a58fc3f4f..b9aff515b4de 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -272,8 +272,10 @@ extern unsigned long __vmalloc_end; extern unsigned long __kernel_virt_start; extern unsigned long __kernel_virt_size; +extern unsigned long __kernel_io_start; #define KERN_VIRT_START __kernel_virt_start #define KERN_VIRT_SIZE __kernel_virt_size +#define KERN_IO_START __kernel_io_start extern struct page *vmemmap; extern unsigned long ioremap_bot; extern unsigned long pci_io_base; @@ -298,7 +300,6 @@ extern unsigned long pci_io_base; * PHB_IO_BASE = ISA_IO_BASE + 64K to ISA_IO_BASE + 2G, PHB IO spaces * IOREMAP_BASE = ISA_IO_BASE + 2G to VMALLOC_START + PGTABLE_RANGE */ -#define KERN_IO_START (KERN_VIRT_START + (KERN_VIRT_SIZE >> 1)) #define FULL_IO_SIZE 0x80000000ul #define ISA_IO_BASE (KERN_IO_START) #define ISA_IO_END (KERN_IO_START + 0x10000ul) @@ -409,6 +410,11 @@ static inline int pte_write(pte_t pte) return __pte_write(pte) || pte_savedwrite(pte); } +static inline int pte_read(pte_t pte) +{ + return !!(pte_raw(pte) & cpu_to_be64(_PAGE_READ)); +} + #define __HAVE_ARCH_PTEP_SET_WRPROTECT static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) @@ -1167,6 +1173,7 @@ static inline bool arch_needs_pgtable_deposit(void) return false; return true; } +extern void serialize_against_pte_lookup(struct mm_struct *mm); static inline pmd_t pmd_mkdevmap(pmd_t pmd) diff --git a/arch/powerpc/include/asm/book3s/64/radix.h b/arch/powerpc/include/asm/book3s/64/radix.h index 544440b5aff3..1e5ba94e62ef 100644 --- a/arch/powerpc/include/asm/book3s/64/radix.h +++ b/arch/powerpc/include/asm/book3s/64/radix.h @@ -110,6 +110,8 @@ */ #define RADIX_VMEMMAP_BASE (RADIX_VMALLOC_END) +#define RADIX_KERN_IO_START (RADIX_KERN_VIRT_START + (RADIX_KERN_VIRT_SIZE >> 1)) + #ifndef __ASSEMBLY__ #define RADIX_PTE_TABLE_SIZE (sizeof(pte_t) << RADIX_PTE_INDEX_SIZE) #define RADIX_PMD_TABLE_SIZE (sizeof(pmd_t) << RADIX_PMD_INDEX_SIZE) diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h index cc7fbde4f53c..9b433a624bf3 100644 --- a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h +++ b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h @@ -22,22 +22,21 @@ extern void radix__flush_tlb_kernel_range(unsigned long start, unsigned long end extern void radix__local_flush_tlb_mm(struct mm_struct *mm); extern void radix__local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); -extern void radix__local_flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr); extern void radix__local_flush_tlb_page_psize(struct mm_struct *mm, unsigned long vmaddr, int psize); extern void radix__tlb_flush(struct mmu_gather *tlb); #ifdef CONFIG_SMP extern void radix__flush_tlb_mm(struct mm_struct *mm); extern void radix__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); -extern void radix__flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr); extern void radix__flush_tlb_page_psize(struct mm_struct *mm, unsigned long vmaddr, int psize); #else #define radix__flush_tlb_mm(mm) radix__local_flush_tlb_mm(mm) #define radix__flush_tlb_page(vma,addr) radix__local_flush_tlb_page(vma,addr) #define radix__flush_tlb_page_psize(mm,addr,p) radix__local_flush_tlb_page_psize(mm,addr,p) -#define radix__flush_tlb_pwc(tlb, addr) radix__local_flush_tlb_pwc(tlb, addr) #endif +extern void radix__flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr); +extern void radix__flush_tlb_collapsed_pmd(struct mm_struct *mm, unsigned long addr); extern void radix__flush_tlb_lpid_va(unsigned long lpid, unsigned long gpa, unsigned long page_size); extern void radix__flush_tlb_lpid(unsigned long lpid); diff --git a/arch/powerpc/include/asm/bug.h b/arch/powerpc/include/asm/bug.h index 0151af6c2a50..87fcc1948817 100644 --- a/arch/powerpc/include/asm/bug.h +++ b/arch/powerpc/include/asm/bug.h @@ -18,7 +18,7 @@ #include <asm/asm-offsets.h> #ifdef CONFIG_DEBUG_BUGVERBOSE .macro EMIT_BUG_ENTRY addr,file,line,flags - .section __bug_table,"a" + .section __bug_table,"aw" 5001: PPC_LONG \addr, 5002f .short \line, \flags .org 5001b+BUG_ENTRY_SIZE @@ -29,7 +29,7 @@ .endm #else .macro EMIT_BUG_ENTRY addr,file,line,flags - .section __bug_table,"a" + .section __bug_table,"aw" 5001: PPC_LONG \addr .short \flags .org 5001b+BUG_ENTRY_SIZE @@ -42,14 +42,14 @@ sizeof(struct bug_entry), respectively */ #ifdef CONFIG_DEBUG_BUGVERBOSE #define _EMIT_BUG_ENTRY \ - ".section __bug_table,\"a\"\n" \ + ".section __bug_table,\"aw\"\n" \ "2:\t" PPC_LONG "1b, %0\n" \ "\t.short %1, %2\n" \ ".org 2b+%3\n" \ ".previous\n" #else #define _EMIT_BUG_ENTRY \ - ".section __bug_table,\"a\"\n" \ + ".section __bug_table,\"aw\"\n" \ "2:\t" PPC_LONG "1b\n" \ "\t.short %2\n" \ ".org 2b+%3\n" \ diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h index 5a90292afbad..d122f7f957ce 100644 --- a/arch/powerpc/include/asm/cache.h +++ b/arch/powerpc/include/asm/cache.h @@ -5,7 +5,7 @@ /* bytes per L1 cache line */ -#if defined(CONFIG_8xx) || defined(CONFIG_403GCX) +#if defined(CONFIG_PPC_8xx) || defined(CONFIG_403GCX) #define L1_CACHE_SHIFT 4 #define MAX_COPY_PREFETCH 1 #elif defined(CONFIG_PPC_E500MC) diff --git a/arch/powerpc/include/asm/cpuidle.h b/arch/powerpc/include/asm/cpuidle.h index 52586f9956bb..8a174cba5567 100644 --- a/arch/powerpc/include/asm/cpuidle.h +++ b/arch/powerpc/include/asm/cpuidle.h @@ -67,6 +67,17 @@ #define ERR_DEEP_STATE_ESL_MISMATCH -2 #ifndef __ASSEMBLY__ +/* Additional SPRs that need to be saved/restored during stop */ +struct stop_sprs { + u64 pid; + u64 ldbar; + u64 fscr; + u64 hfscr; + u64 mmcr1; + u64 mmcr2; + u64 mmcra; +}; + extern u32 pnv_fastsleep_workaround_at_entry[]; extern u32 pnv_fastsleep_workaround_at_exit[]; diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index d02ad93bf708..a9bf921f4efc 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -513,7 +513,7 @@ enum { #else CPU_FTRS_GENERIC_32 | #endif -#ifdef CONFIG_8xx +#ifdef CONFIG_PPC_8xx CPU_FTRS_8XX | #endif #ifdef CONFIG_40x @@ -565,7 +565,7 @@ enum { #else CPU_FTRS_GENERIC_32 & #endif -#ifdef CONFIG_8xx +#ifdef CONFIG_PPC_8xx CPU_FTRS_8XX & #endif #ifdef CONFIG_40x diff --git a/arch/powerpc/include/asm/fixmap.h b/arch/powerpc/include/asm/fixmap.h index 4508b322f2cd..6c40dfda5912 100644 --- a/arch/powerpc/include/asm/fixmap.h +++ b/arch/powerpc/include/asm/fixmap.h @@ -17,6 +17,7 @@ #ifndef __ASSEMBLY__ #include <linux/kernel.h> #include <asm/page.h> +#include <asm/pgtable.h> #ifdef CONFIG_HIGHMEM #include <linux/threads.h> #include <asm/kmap_types.h> @@ -62,9 +63,6 @@ enum fixed_addresses { __end_of_fixed_addresses }; -extern void __set_fixmap (enum fixed_addresses idx, - phys_addr_t phys, pgprot_t flags); - #define __FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) #define FIXADDR_START (FIXADDR_TOP - __FIXADDR_SIZE) @@ -72,5 +70,11 @@ extern void __set_fixmap (enum fixed_addresses idx, #include <asm-generic/fixmap.h> +static inline void __set_fixmap(enum fixed_addresses idx, + phys_addr_t phys, pgprot_t flags) +{ + map_kernel_page(fix_to_virt(idx), phys, pgprot_val(flags)); +} + #endif /* !__ASSEMBLY__ */ #endif diff --git a/arch/powerpc/include/asm/fs_pd.h b/arch/powerpc/include/asm/fs_pd.h index f79d6c74eb2a..8def56ec05c6 100644 --- a/arch/powerpc/include/asm/fs_pd.h +++ b/arch/powerpc/include/asm/fs_pd.h @@ -26,7 +26,7 @@ #define cpm2_unmap(addr) do {} while(0) #endif -#ifdef CONFIG_8xx +#ifdef CONFIG_PPC_8xx #include <asm/8xx_immap.h> extern immap_t __iomem *mpc8xx_immr; diff --git a/arch/powerpc/include/asm/hardirq.h b/arch/powerpc/include/asm/hardirq.h index 8add8b861e8d..c97603d617e3 100644 --- a/arch/powerpc/include/asm/hardirq.h +++ b/arch/powerpc/include/asm/hardirq.h @@ -12,6 +12,10 @@ typedef struct { unsigned int mce_exceptions; unsigned int spurious_irqs; unsigned int hmi_exceptions; + unsigned int sreset_irqs; +#ifdef CONFIG_PPC_WATCHDOG + unsigned int soft_nmi_irqs; +#endif #ifdef CONFIG_PPC_DOORBELL unsigned int doorbell_irqs; #endif diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index 7f4025a6c69e..b8a0fb442c64 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -218,18 +218,4 @@ static inline pte_t *hugepte_offset(hugepd_t hpd, unsigned long addr, } #endif /* CONFIG_HUGETLB_PAGE */ -/* - * FSL Book3E platforms require special gpage handling - the gpages - * are reserved early in the boot process by memblock instead of via - * the .dts as on IBM platforms. - */ -#if defined(CONFIG_HUGETLB_PAGE) && (defined(CONFIG_PPC_FSL_BOOK3E) || \ - defined(CONFIG_PPC_8xx)) -extern void __init reserve_hugetlb_gpages(void); -#else -static inline void reserve_hugetlb_gpages(void) -{ -} -#endif - #endif /* _ASM_POWERPC_HUGETLB_H */ diff --git a/arch/powerpc/include/asm/imc-pmu.h b/arch/powerpc/include/asm/imc-pmu.h new file mode 100644 index 000000000000..7f74c282710f --- /dev/null +++ b/arch/powerpc/include/asm/imc-pmu.h @@ -0,0 +1,128 @@ +#ifndef __ASM_POWERPC_IMC_PMU_H +#define __ASM_POWERPC_IMC_PMU_H + +/* + * IMC Nest Performance Monitor counter support. + * + * Copyright (C) 2017 Madhavan Srinivasan, IBM Corporation. + * (C) 2017 Anju T Sudhakar, IBM Corporation. + * (C) 2017 Hemant K Shaw, IBM Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or later version. + */ + +#include <linux/perf_event.h> +#include <linux/slab.h> +#include <linux/of.h> +#include <linux/io.h> +#include <asm/opal.h> + +/* + * For static allocation of some of the structures. + */ +#define IMC_MAX_PMUS 32 + +/* + * Compatibility macros for IMC devices + */ +#define IMC_DTB_COMPAT "ibm,opal-in-memory-counters" +#define IMC_DTB_UNIT_COMPAT "ibm,imc-counters" + + +/* + * LDBAR: Counter address and Enable/Disable macro. + * perf/imc-pmu.c has the LDBAR layout information. + */ +#define THREAD_IMC_LDBAR_MASK 0x0003ffffffffe000ULL +#define THREAD_IMC_ENABLE 0x8000000000000000ULL + +/* + * Structure to hold memory address information for imc units. + */ +struct imc_mem_info { + u64 *vbase; + u32 id; +}; + +/* + * Place holder for nest pmu events and values. + */ +struct imc_events { + u32 value; + char *name; + char *unit; + char *scale; +}; + +/* Event attribute array index */ +#define IMC_FORMAT_ATTR 0 +#define IMC_EVENT_ATTR 1 +#define IMC_CPUMASK_ATTR 2 +#define IMC_NULL_ATTR 3 + +/* PMU Format attribute macros */ +#define IMC_EVENT_OFFSET_MASK 0xffffffffULL + +/* + * Device tree parser code detects IMC pmu support and + * registers new IMC pmus. This structure will hold the + * pmu functions, events, counter memory information + * and attrs for each imc pmu and will be referenced at + * the time of pmu registration. + */ +struct imc_pmu { + struct pmu pmu; + struct imc_mem_info *mem_info; + struct imc_events **events; + /* + * Attribute groups for the PMU. Slot 0 used for + * format attribute, slot 1 used for cpusmask attribute, + * slot 2 used for event attribute. Slot 3 keep as + * NULL. + */ + const struct attribute_group *attr_groups[4]; + u32 counter_mem_size; + int domain; + /* + * flag to notify whether the memory is mmaped + * or allocated by kernel. + */ + bool imc_counter_mmaped; +}; + +/* + * Structure to hold id, lock and reference count for the imc events which + * are inited. + */ +struct imc_pmu_ref { + struct mutex lock; + unsigned int id; + int refc; +}; + +/* + * In-Memory Collection Counters type. + * Data comes from Device tree. + * Three device type are supported. + */ + +enum { + IMC_TYPE_THREAD = 0x1, + IMC_TYPE_CORE = 0x4, + IMC_TYPE_CHIP = 0x10, +}; + +/* + * Domains for IMC PMUs + */ +#define IMC_DOMAIN_NEST 1 +#define IMC_DOMAIN_CORE 2 +#define IMC_DOMAIN_THREAD 3 + +extern int init_imc_pmu(struct device_node *parent, + struct imc_pmu *pmu_ptr, int pmu_id); +extern void thread_imc_disable(void); +#endif /* __ASM_POWERPC_IMC_PMU_H */ diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h index 35bec1c5bd5a..2ab328f0159e 100644 --- a/arch/powerpc/include/asm/mmu_context.h +++ b/arch/powerpc/include/asm/mmu_context.h @@ -124,12 +124,6 @@ static inline void switch_mm_irqs_off(struct mm_struct *prev, if (prev == next) return; -#ifdef CONFIG_PPC_ICSWX - /* Switch coprocessor context only if prev or next uses a coprocessor */ - if (prev->context.acop || next->context.acop) - switch_cop(next); -#endif /* CONFIG_PPC_ICSWX */ - /* We must stop all altivec streams before changing the HW * context */ diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h index 91314268f04f..185c6a47f9ba 100644 --- a/arch/powerpc/include/asm/nohash/32/pgtable.h +++ b/arch/powerpc/include/asm/nohash/32/pgtable.h @@ -121,7 +121,7 @@ extern int icache_44x_need_flush; #include <asm/nohash/pte-book3e.h> #elif defined(CONFIG_FSL_BOOKE) #include <asm/nohash/32/pte-fsl-booke.h> -#elif defined(CONFIG_8xx) +#elif defined(CONFIG_PPC_8xx) #include <asm/nohash/32/pte-8xx.h> #endif @@ -337,9 +337,6 @@ static inline void __ptep_set_access_flags(struct mm_struct *mm, #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) >> 3 }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val << 3 }) -extern int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep, - pmd_t **pmdp); - int map_kernel_page(unsigned long va, phys_addr_t pa, int flags); #endif /* !__ASSEMBLY__ */ diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h index e5805ad78e12..17989c3d9a24 100644 --- a/arch/powerpc/include/asm/nohash/pgtable.h +++ b/arch/powerpc/include/asm/nohash/pgtable.h @@ -14,6 +14,7 @@ static inline int pte_write(pte_t pte) { return (pte_val(pte) & (_PAGE_RW | _PAGE_RO)) != _PAGE_RO; } +static inline int pte_read(pte_t pte) { return 1; } static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; } static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; } static inline int pte_special(pte_t pte) { return pte_val(pte) & _PAGE_SPECIAL; } diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h index 3130a73652c7..450a60b81d2a 100644 --- a/arch/powerpc/include/asm/opal-api.h +++ b/arch/powerpc/include/asm/opal-api.h @@ -42,6 +42,7 @@ #define OPAL_I2C_STOP_ERR -24 #define OPAL_XIVE_PROVISIONING -31 #define OPAL_XIVE_FREE_ACTIVE -32 +#define OPAL_TIMEOUT -33 /* API Tokens (in r0) */ #define OPAL_INVALID_CALL -1 @@ -190,7 +191,16 @@ #define OPAL_NPU_INIT_CONTEXT 146 #define OPAL_NPU_DESTROY_CONTEXT 147 #define OPAL_NPU_MAP_LPAR 148 -#define OPAL_LAST 148 +#define OPAL_IMC_COUNTERS_INIT 149 +#define OPAL_IMC_COUNTERS_START 150 +#define OPAL_IMC_COUNTERS_STOP 151 +#define OPAL_GET_POWERCAP 152 +#define OPAL_SET_POWERCAP 153 +#define OPAL_GET_POWER_SHIFT_RATIO 154 +#define OPAL_SET_POWER_SHIFT_RATIO 155 +#define OPAL_SENSOR_GROUP_CLEAR 156 +#define OPAL_PCI_SET_P2P 157 +#define OPAL_LAST 157 /* Device tree flags */ @@ -1084,6 +1094,18 @@ enum { XIVE_DUMP_EMU_STATE = 5, }; +/* "type" argument options for OPAL_IMC_COUNTERS_* calls */ +enum { + OPAL_IMC_COUNTERS_NEST = 1, + OPAL_IMC_COUNTERS_CORE = 2, +}; + + +/* PCI p2p descriptor */ +#define OPAL_PCI_P2P_ENABLE 0x1 +#define OPAL_PCI_P2P_LOAD 0x2 +#define OPAL_PCI_P2P_STORE 0x4 + #endif /* __ASSEMBLY__ */ #endif /* __OPAL_API_H */ diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index 588fb1c23af9..97ff192f5cfb 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -267,6 +267,19 @@ int64_t opal_xive_allocate_irq(uint32_t chip_id); int64_t opal_xive_free_irq(uint32_t girq); int64_t opal_xive_sync(uint32_t type, uint32_t id); int64_t opal_xive_dump(uint32_t type, uint32_t id); +int64_t opal_pci_set_p2p(uint64_t phb_init, uint64_t phb_target, + uint64_t desc, uint16_t pe_number); + +int64_t opal_imc_counters_init(uint32_t type, uint64_t address, + uint64_t cpu_pir); +int64_t opal_imc_counters_start(uint32_t type, uint64_t cpu_pir); +int64_t opal_imc_counters_stop(uint32_t type, uint64_t cpu_pir); + +int opal_get_powercap(u32 handle, int token, u32 *pcap); +int opal_set_powercap(u32 handle, int token, u32 pcap); +int opal_get_power_shift_ratio(u32 handle, int token, u32 *psr); +int opal_set_power_shift_ratio(u32 handle, int token, u32 psr); +int opal_sensor_group_clear(u32 group_hndl, int token); /* Internal functions */ extern int early_init_dt_scan_opal(unsigned long node, const char *uname, @@ -345,6 +358,10 @@ static inline int opal_get_async_rc(struct opal_msg msg) void opal_wake_poller(void); +void opal_powercap_init(void); +void opal_psr_init(void); +void opal_sensor_groups_init(void); + #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_OPAL_H */ diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index dc88a31cc79a..04b60af027ae 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -31,6 +31,7 @@ #endif #include <asm/accounting.h> #include <asm/hmi.h> +#include <asm/cpuidle.h> register struct paca_struct *local_paca asm("r13"); @@ -183,6 +184,12 @@ struct paca_struct { struct paca_struct **thread_sibling_pacas; /* The PSSCR value that the kernel requested before going to stop */ u64 requested_psscr; + + /* + * Save area for additional SPRs that need to be + * saved/restored during cpuidle stop. + */ + struct stop_sprs stop_sprs; #endif #ifdef CONFIG_PPC_STD_MMU_64 diff --git a/arch/powerpc/include/asm/pgalloc.h b/arch/powerpc/include/asm/pgalloc.h index d795c5d5789c..45ae1212ab8a 100644 --- a/arch/powerpc/include/asm/pgalloc.h +++ b/arch/powerpc/include/asm/pgalloc.h @@ -17,6 +17,8 @@ static inline gfp_t pgtable_gfp_flags(struct mm_struct *mm, gfp_t gfp) } #endif /* MODULE */ +#define PGALLOC_GFP (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO) + #ifdef CONFIG_PPC_BOOK3S #include <asm/book3s/pgalloc.h> #else diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index afae9a336136..7d0d38f58243 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -66,22 +66,14 @@ extern int gup_hugepte(pte_t *ptep, unsigned long sz, unsigned long addr, #ifndef CONFIG_TRANSPARENT_HUGEPAGE #define pmd_large(pmd) 0 #endif -pte_t *__find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, - bool *is_thp, unsigned *shift); -static inline pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, - bool *is_thp, unsigned *shift) -{ - VM_WARN(!arch_irqs_disabled(), - "%s called with irq enabled\n", __func__); - return __find_linux_pte_or_hugepte(pgdir, ea, is_thp, shift); -} +/* can we use this in kvm */ unsigned long vmalloc_to_phys(void *vmalloc_addr); void pgtable_cache_add(unsigned shift, void (*ctor)(void *)); void pgtable_cache_init(void); -#ifdef CONFIG_STRICT_KERNEL_RWX +#if defined(CONFIG_STRICT_KERNEL_RWX) || defined(CONFIG_PPC32) void mark_initmem_nx(void); #else static inline void mark_initmem_nx(void) { } diff --git a/arch/powerpc/include/asm/pnv-pci.h b/arch/powerpc/include/asm/pnv-pci.h index de9681034353..3e5cf251ad9a 100644 --- a/arch/powerpc/include/asm/pnv-pci.h +++ b/arch/powerpc/include/asm/pnv-pci.h @@ -26,6 +26,8 @@ extern int pnv_pci_get_presence_state(uint64_t id, uint8_t *state); extern int pnv_pci_get_power_state(uint64_t id, uint8_t *state); extern int pnv_pci_set_power_state(uint64_t id, uint8_t state, struct opal_msg *msg); +extern int pnv_pci_set_p2p(struct pci_dev *initiator, struct pci_dev *target, + u64 desc); int pnv_phb_to_cxl_mode(struct pci_dev *dev, uint64_t mode); int pnv_cxl_ioda_msi_setup(struct pci_dev *dev, unsigned int hwirq, diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index fa9ebaead91e..041ba15aa2b9 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -193,6 +193,7 @@ #define PPC_INST_CLRBHRB 0x7c00035c #define PPC_INST_COPY 0x7c20060c #define PPC_INST_CP_ABORT 0x7c00068c +#define PPC_INST_DARN 0x7c0005e6 #define PPC_INST_DCBA 0x7c0005ec #define PPC_INST_DCBA_MASK 0xfc0007fe #define PPC_INST_DCBAL 0x7c2005ec @@ -395,6 +396,9 @@ #define PPC_CP_ABORT stringify_in_c(.long PPC_INST_CP_ABORT) #define PPC_COPY(a, b) stringify_in_c(.long PPC_INST_COPY | \ ___PPC_RA(a) | ___PPC_RB(b)) +#define PPC_DARN(t, l) stringify_in_c(.long PPC_INST_DARN | \ + ___PPC_RT(t) | \ + (((l) & 0x3) << 16)) #define PPC_DCBAL(a, b) stringify_in_c(.long PPC_INST_DCBAL | \ __PPC_RA(a) | __PPC_RB(b)) #define PPC_DCBZL(a, b) stringify_in_c(.long PPC_INST_DCBZL | \ diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h index 6baeeb9acd0d..36f3e41c9fbe 100644 --- a/arch/powerpc/include/asm/ppc_asm.h +++ b/arch/powerpc/include/asm/ppc_asm.h @@ -378,10 +378,16 @@ BEGIN_FTR_SECTION_NESTED(96); \ cmpwi dest,0; \ beq- 90b; \ END_FTR_SECTION_NESTED(CPU_FTR_CELL_TB_BUG, CPU_FTR_CELL_TB_BUG, 96) -#elif defined(CONFIG_8xx) -#define MFTB(dest) mftb dest #else -#define MFTB(dest) mfspr dest, SPRN_TBRL +#define MFTB(dest) MFTBL(dest) +#endif + +#ifdef CONFIG_PPC_8xx +#define MFTBL(dest) mftb dest +#define MFTBU(dest) mftbu dest +#else +#define MFTBL(dest) mfspr dest, SPRN_TBRL +#define MFTBU(dest) mfspr dest, SPRN_TBRU #endif #ifndef CONFIG_SMP @@ -411,7 +417,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601) * and they must be used. */ -#if !defined(CONFIG_4xx) && !defined(CONFIG_8xx) +#if !defined(CONFIG_4xx) && !defined(CONFIG_PPC_8xx) #define tlbia \ li r4,1024; \ mtctr r4; \ @@ -439,7 +445,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601) .machine push ; \ .machine "power4" ; \ lis scratch,0x60000000@h; \ - dcbt r0,scratch,0b01010; \ + dcbt 0,scratch,0b01010; \ .machine pop /* diff --git a/arch/powerpc/include/asm/pte-walk.h b/arch/powerpc/include/asm/pte-walk.h new file mode 100644 index 000000000000..2d633e9d686c --- /dev/null +++ b/arch/powerpc/include/asm/pte-walk.h @@ -0,0 +1,35 @@ +#ifndef _ASM_POWERPC_PTE_WALK_H +#define _ASM_POWERPC_PTE_WALK_H + +#include <linux/sched.h> + +/* Don't use this directly */ +extern pte_t *__find_linux_pte(pgd_t *pgdir, unsigned long ea, + bool *is_thp, unsigned *hshift); + +static inline pte_t *find_linux_pte(pgd_t *pgdir, unsigned long ea, + bool *is_thp, unsigned *hshift) +{ + VM_WARN(!arch_irqs_disabled(), "%s called with irq enabled\n", __func__); + return __find_linux_pte(pgdir, ea, is_thp, hshift); +} + +static inline pte_t *find_init_mm_pte(unsigned long ea, unsigned *hshift) +{ + pgd_t *pgdir = init_mm.pgd; + return __find_linux_pte(pgdir, ea, NULL, hshift); +} +/* + * This is what we should always use. Any other lockless page table lookup needs + * careful audit against THP split. + */ +static inline pte_t *find_current_mm_pte(pgd_t *pgdir, unsigned long ea, + bool *is_thp, unsigned *hshift) +{ + VM_WARN(!arch_irqs_disabled(), "%s called with irq enabled\n", __func__); + VM_WARN(pgdir != current->mm->pgd, + "%s lock less page table lookup called on wrong mm\n", __func__); + return __find_linux_pte(pgdir, ea, is_thp, hshift); +} + +#endif /* _ASM_POWERPC_PTE_WALK_H */ diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index a3b6575c7842..c36823d64ec9 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -22,9 +22,9 @@ #include <asm/reg_fsl_emb.h> #endif -#ifdef CONFIG_8xx +#ifdef CONFIG_PPC_8xx #include <asm/reg_8xx.h> -#endif /* CONFIG_8xx */ +#endif /* CONFIG_PPC_8xx */ #define MSR_SF_LG 63 /* Enable 64 bit mode */ #define MSR_ISF_LG 61 /* Interrupt 64b mode valid on 630 */ @@ -135,7 +135,7 @@ #define MSR_KERNEL (MSR_ | MSR_64BIT) #define MSR_USER32 (MSR_ | MSR_PR | MSR_EE) #define MSR_USER64 (MSR_USER32 | MSR_64BIT) -#elif defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_8xx) +#elif defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_PPC_8xx) /* Default MSR for kernel mode. */ #define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR) #define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE) @@ -272,16 +272,65 @@ #define SPRN_DAR 0x013 /* Data Address Register */ #define SPRN_DBCR 0x136 /* e300 Data Breakpoint Control Reg */ #define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */ -#define DSISR_NOHPTE 0x40000000 /* no translation found */ -#define DSISR_PROTFAULT 0x08000000 /* protection fault */ -#define DSISR_BADACCESS 0x04000000 /* bad access to CI or G */ -#define DSISR_ISSTORE 0x02000000 /* access was a store */ -#define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */ -#define DSISR_NOSEGMENT 0x00200000 /* SLB miss */ -#define DSISR_KEYFAULT 0x00200000 /* Key fault */ -#define DSISR_UNSUPP_MMU 0x00080000 /* Unsupported MMU config */ -#define DSISR_SET_RC 0x00040000 /* Failed setting of R/C bits */ -#define DSISR_PGDIRFAULT 0x00020000 /* Fault on page directory */ +#define DSISR_BAD_DIRECT_ST 0x80000000 /* Obsolete: Direct store error */ +#define DSISR_NOHPTE 0x40000000 /* no translation found */ +#define DSISR_ATTR_CONFLICT 0x20000000 /* P9: Process vs. Partition attr */ +#define DSISR_NOEXEC_OR_G 0x10000000 /* Alias of SRR1 bit, see below */ +#define DSISR_PROTFAULT 0x08000000 /* protection fault */ +#define DSISR_BADACCESS 0x04000000 /* bad access to CI or G */ +#define DSISR_ISSTORE 0x02000000 /* access was a store */ +#define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */ +#define DSISR_NOSEGMENT 0x00200000 /* STAB miss (unsupported) */ +#define DSISR_KEYFAULT 0x00200000 /* Storage Key fault */ +#define DSISR_BAD_EXT_CTRL 0x00100000 /* Obsolete: External ctrl error */ +#define DSISR_UNSUPP_MMU 0x00080000 /* P9: Unsupported MMU config */ +#define DSISR_SET_RC 0x00040000 /* P9: Failed setting of R/C bits */ +#define DSISR_PRTABLE_FAULT 0x00020000 /* P9: Fault on process table */ +#define DSISR_ICSWX_NO_CT 0x00004000 /* P7: icswx unavailable cp type */ +#define DSISR_BAD_COPYPASTE 0x00000008 /* P9: Copy/Paste on wrong memtype */ +#define DSISR_BAD_AMO 0x00000004 /* P9: Incorrect AMO opcode */ +#define DSISR_BAD_CI_LDST 0x00000002 /* P8: Bad HV CI load/store */ + +/* + * DSISR_NOEXEC_OR_G doesn't actually exist. This bit is always + * 0 on DSIs. However, on ISIs, the corresponding bit in SRR1 + * indicates an attempt at executing from a no-execute PTE + * or segment or from a guarded page. + * + * We add a definition here for completeness as we alias + * DSISR and SRR1 in do_page_fault. + */ + +/* + * DSISR bits that are treated as a fault. Any bit set + * here will skip hash_page, and cause do_page_fault to + * trigger a SIGBUS or SIGSEGV: + */ +#define DSISR_BAD_FAULT_32S (DSISR_BAD_DIRECT_ST | \ + DSISR_BADACCESS | \ + DSISR_BAD_EXT_CTRL) +#define DSISR_BAD_FAULT_64S (DSISR_BAD_FAULT_32S | \ + DSISR_ATTR_CONFLICT | \ + DSISR_KEYFAULT | \ + DSISR_UNSUPP_MMU | \ + DSISR_PRTABLE_FAULT | \ + DSISR_ICSWX_NO_CT | \ + DSISR_BAD_COPYPASTE | \ + DSISR_BAD_AMO | \ + DSISR_BAD_CI_LDST) +/* + * These bits are equivalent in SRR1 and DSISR for 0x400 + * instruction access interrupts on Book3S + */ +#define DSISR_SRR1_MATCH_32S (DSISR_NOHPTE | \ + DSISR_NOEXEC_OR_G | \ + DSISR_PROTFAULT) +#define DSISR_SRR1_MATCH_64S (DSISR_SRR1_MATCH_32S | \ + DSISR_KEYFAULT | \ + DSISR_UNSUPP_MMU | \ + DSISR_SET_RC | \ + DSISR_PRTABLE_FAULT) + #define SPRN_TBRL 0x10C /* Time Base Read Lower Register (user, R/O) */ #define SPRN_TBRU 0x10D /* Time Base Read Upper Register (user, R/O) */ #define SPRN_CIR 0x11B /* Chip Information Register (hyper, R/0) */ @@ -675,6 +724,7 @@ * may not be recoverable */ #define SRR1_WS_DEEPER 0x00020000 /* Some resources not maintained */ #define SRR1_WS_DEEP 0x00010000 /* All resources maintained */ +#define SRR1_PROGTM 0x00200000 /* TM Bad Thing */ #define SRR1_PROGFPE 0x00100000 /* Floating Point Enabled */ #define SRR1_PROGILL 0x00080000 /* Illegal instruction */ #define SRR1_PROGPRIV 0x00040000 /* Privileged instruction */ @@ -1114,7 +1164,7 @@ #endif #endif -#ifdef CONFIG_8xx +#ifdef CONFIG_PPC_8xx #define SPRN_SPRG_SCRATCH0 SPRN_SPRG0 #define SPRN_SPRG_SCRATCH1 SPRN_SPRG1 #define SPRN_SPRG_SCRATCH2 SPRN_SPRG2 @@ -1197,10 +1247,8 @@ * differentiated by the version number in the Communication Processor * Module (CPM). */ -#define PVR_821 0x00500000 -#define PVR_823 PVR_821 -#define PVR_850 PVR_821 -#define PVR_860 PVR_821 +#define PVR_8xx 0x00500000 + #define PVR_8240 0x00810100 #define PVR_8245 0x80811014 #define PVR_8260 PVR_8240 @@ -1313,7 +1361,7 @@ static inline void msr_check_and_clear(unsigned long bits) #else /* __powerpc64__ */ -#if defined(CONFIG_8xx) +#if defined(CONFIG_PPC_8xx) #define mftbl() ({unsigned long rval; \ asm volatile("mftbl %0" : "=r" (rval)); rval;}) #define mftbu() ({unsigned long rval; \ diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h index 737e012ef56e..eb2a33d5df26 100644 --- a/arch/powerpc/include/asm/reg_booke.h +++ b/arch/powerpc/include/asm/reg_booke.h @@ -221,10 +221,7 @@ #define SPRN_CSRR0 SPRN_SRR2 /* Critical Save and Restore Register 0 */ #define SPRN_CSRR1 SPRN_SRR3 /* Critical Save and Restore Register 1 */ #endif - -#ifdef CONFIG_PPC_ICSWX #define SPRN_HACOP 0x15F /* Hypervisor Available Coprocessor Register */ -#endif /* Bit definitions for CCR1. */ #define CCR1_DPC 0x00000100 /* Disable L1 I-Cache/D-Cache parity checking */ diff --git a/arch/powerpc/include/asm/string.h b/arch/powerpc/include/asm/string.h index da3cdffca440..b0e82466d4e8 100644 --- a/arch/powerpc/include/asm/string.h +++ b/arch/powerpc/include/asm/string.h @@ -23,6 +23,30 @@ extern void * memmove(void *,const void *,__kernel_size_t); extern int memcmp(const void *,const void *,__kernel_size_t); extern void * memchr(const void *,int,__kernel_size_t); +#ifdef CONFIG_PPC64 +#define __HAVE_ARCH_MEMSET16 +#define __HAVE_ARCH_MEMSET32 +#define __HAVE_ARCH_MEMSET64 + +extern void *__memset16(uint16_t *, uint16_t v, __kernel_size_t); +extern void *__memset32(uint32_t *, uint32_t v, __kernel_size_t); +extern void *__memset64(uint64_t *, uint64_t v, __kernel_size_t); + +static inline void *memset16(uint16_t *p, uint16_t v, __kernel_size_t n) +{ + return __memset16(p, v, n * 2); +} + +static inline void *memset32(uint32_t *p, uint32_t v, __kernel_size_t n) +{ + return __memset32(p, v, n * 4); +} + +static inline void *memset64(uint64_t *p, uint64_t v, __kernel_size_t n) +{ + return __memset64(p, v, n * 8); +} +#endif #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_STRING_H */ diff --git a/arch/powerpc/include/asm/timex.h b/arch/powerpc/include/asm/timex.h index 2cf846edb3fc..cb61eae5b7ed 100644 --- a/arch/powerpc/include/asm/timex.h +++ b/arch/powerpc/include/asm/timex.h @@ -29,7 +29,7 @@ static inline cycles_t get_cycles(void) ret = 0; __asm__ __volatile__( -#ifdef CONFIG_8xx +#ifdef CONFIG_PPC_8xx "97: mftb %0\n" #else "97: mfspr %0, %2\n" @@ -45,11 +45,7 @@ static inline cycles_t get_cycles(void) " .long 0\n" " .long 0\n" ".previous" -#ifdef CONFIG_8xx - : "=r" (ret) : "i" (CPU_FTR_601)); -#else : "=r" (ret) : "i" (CPU_FTR_601), "i" (SPRN_TBRL)); -#endif return ret; #endif } diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h index dc4e15937ccf..2d84bca8d053 100644 --- a/arch/powerpc/include/asm/topology.h +++ b/arch/powerpc/include/asm/topology.h @@ -16,8 +16,6 @@ struct device_node; #include <asm/mmzone.h> -#define parent_node(node) (node) - #define cpumask_of_node(node) ((node) == -1 ? \ cpu_all_mask : \ node_to_cpumask_map[node]) diff --git a/arch/powerpc/include/uapi/asm/ioctls.h b/arch/powerpc/include/uapi/asm/ioctls.h index bfd609a3e928..e3b10469f787 100644 --- a/arch/powerpc/include/uapi/asm/ioctls.h +++ b/arch/powerpc/include/uapi/asm/ioctls.h @@ -100,7 +100,7 @@ #define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */ #define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */ #define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */ -#define TIOCGPTPEER _IOR('T', 0x41, int) /* Safely open the slave */ +#define TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */ #define TIOCSERCONFIG 0x5453 #define TIOCSERGWILD 0x5454 diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 4aa7c147e447..91960f83039c 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -38,7 +38,7 @@ obj-$(CONFIG_PPC64) += setup_64.o sys_ppc32.o \ signal_64.o ptrace32.o \ paca.o nvram_64.o firmware.o obj-$(CONFIG_VDSO32) += vdso32/ -obj-$(CONFIG_HARDLOCKUP_DETECTOR) += watchdog.o +obj-$(CONFIG_PPC_WATCHDOG) += watchdog.o obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_ppc970.o cpu_setup_pa6t.o obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_power.o @@ -83,7 +83,7 @@ extra-y := head_$(BITS).o extra-$(CONFIG_40x) := head_40x.o extra-$(CONFIG_44x) := head_44x.o extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o -extra-$(CONFIG_8xx) := head_8xx.o +extra-$(CONFIG_PPC_8xx) := head_8xx.o extra-y += vmlinux.lds obj-$(CONFIG_RELOCATABLE) += reloc_$(BITS).o diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 6e95c2c19a7e..8cfb20e38cfe 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -746,6 +746,14 @@ int main(void) OFFSET(PACA_SUBCORE_SIBLING_MASK, paca_struct, subcore_sibling_mask); OFFSET(PACA_SIBLING_PACA_PTRS, paca_struct, thread_sibling_pacas); OFFSET(PACA_REQ_PSSCR, paca_struct, requested_psscr); +#define STOP_SPR(x, f) OFFSET(x, paca_struct, stop_sprs.f) + STOP_SPR(STOP_PID, pid); + STOP_SPR(STOP_LDBAR, ldbar); + STOP_SPR(STOP_FSCR, fscr); + STOP_SPR(STOP_HFSCR, hfscr); + STOP_SPR(STOP_MMCR1, mmcr1); + STOP_SPR(STOP_MMCR2, mmcr2); + STOP_SPR(STOP_MMCRA, mmcra); #endif DEFINE(PPC_DBELL_SERVER, PPC_DBELL_SERVER); diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 6f849832a669..760872916013 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -1259,10 +1259,10 @@ static struct cpu_spec __initdata cpu_specs[] = { .platform = "ppc603", }, #endif /* CONFIG_PPC_BOOK3S_32 */ -#ifdef CONFIG_8xx +#ifdef CONFIG_PPC_8xx { /* 8xx */ .pvr_mask = 0xffff0000, - .pvr_value = 0x00500000, + .pvr_value = PVR_8xx, .cpu_name = "8xx", /* CPU_FTR_MAYBE_CAN_DOZE is possible, * if the 8xx code is there.... */ @@ -1274,7 +1274,7 @@ static struct cpu_spec __initdata cpu_specs[] = { .machine_check = machine_check_8xx, .platform = "ppc823", }, -#endif /* CONFIG_8xx */ +#endif /* CONFIG_PPC_8xx */ #ifdef CONFIG_40x { /* 403GC */ .pvr_mask = 0xffffff00, @@ -1936,6 +1936,7 @@ static struct cpu_spec __initdata cpu_specs[] = { .machine_check = machine_check_440A, .platform = "ppc440", }, +#ifdef CONFIG_PPC_47x { /* 476 DD2 core */ .pvr_mask = 0xffffffff, .pvr_value = 0x11a52080, @@ -1992,6 +1993,7 @@ static struct cpu_spec __initdata cpu_specs[] = { .machine_check = machine_check_47x, .platform = "ppc470", }, +#endif /* CONFIG_PPC_47x */ { /* default match */ .pvr_mask = 0x00000000, .pvr_value = 0x00000000, diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c index 63992b2d8e15..5e6887c40528 100644 --- a/arch/powerpc/kernel/eeh.c +++ b/arch/powerpc/kernel/eeh.c @@ -44,6 +44,7 @@ #include <asm/machdep.h> #include <asm/ppc-pci.h> #include <asm/rtas.h> +#include <asm/pte-walk.h> /** Overview: @@ -352,8 +353,7 @@ static inline unsigned long eeh_token_to_phys(unsigned long token) * worried about _PAGE_SPLITTING/collapse. Also we will not hit * page table free, because of init_mm. */ - ptep = __find_linux_pte_or_hugepte(init_mm.pgd, token, - NULL, &hugepage_shift); + ptep = find_init_mm_pte(token, &hugepage_shift); if (!ptep) return token; WARN_ON(hugepage_shift); diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 8587059ad848..e780e1fbf6c2 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -43,6 +43,13 @@ #define LOAD_MSR_KERNEL(r, x) li r,(x) #endif +/* + * Align to 4k in order to ensure that all functions modyfing srr0/srr1 + * fit into one page in order to not encounter a TLB miss between the + * modification of srr0/srr1 and the associated rfi. + */ + .align 12 + #ifdef CONFIG_BOOKE .globl mcheck_transfer_to_handler mcheck_transfer_to_handler: @@ -586,6 +593,10 @@ ppc_swapcontext: handle_page_fault: stw r4,_DAR(r1) addi r3,r1,STACK_FRAME_OVERHEAD +#ifdef CONFIG_6xx + andis. r0,r5,DSISR_DABRMATCH@h + bne- handle_dabr_fault +#endif bl do_page_fault cmpwi r3,0 beq+ ret_from_except @@ -599,6 +610,17 @@ handle_page_fault: bl bad_page_fault b ret_from_except_full +#ifdef CONFIG_6xx + /* We have a data breakpoint exception - handle it */ +handle_dabr_fault: + SAVE_NVGPRS(r1) + lwz r0,_TRAP(r1) + clrrwi r0,r0,1 + stw r0,_TRAP(r1) + bl do_break + b ret_from_except_full +#endif + /* * This routine switches between two different tasks. The process * state of one is saved on its kernel stack. Then the state diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index f14f3c04ec7e..e66cbb1c6bc2 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -541,7 +541,7 @@ EXC_COMMON_BEGIN(instruction_access_common) RECONCILE_IRQ_STATE(r10, r11) ld r12,_MSR(r1) ld r3,_NIP(r1) - andis. r4,r12,0x5820 + andis. r4,r12,DSISR_BAD_FAULT_64S@h li r5,0x400 std r3,_DAR(r1) std r4,_DSISR(r1) @@ -1314,7 +1314,7 @@ EXC_REAL_NONE(0x1800, 0x100) EXC_VIRT_NONE(0x5800, 0x100) #endif -#if defined(CONFIG_HARDLOCKUP_DETECTOR) && defined(CONFIG_HAVE_HARDLOCKUP_DETECTOR_ARCH) +#ifdef CONFIG_PPC_WATCHDOG #define MASKED_DEC_HANDLER_LABEL 3f @@ -1343,10 +1343,10 @@ EXC_COMMON_BEGIN(soft_nmi_common) ADD_NVGPRS;ADD_RECONCILE) b ret_from_except -#else +#else /* CONFIG_PPC_WATCHDOG */ #define MASKED_DEC_HANDLER_LABEL 2f /* normal return */ #define MASKED_DEC_HANDLER(_H) -#endif +#endif /* CONFIG_PPC_WATCHDOG */ /* * An interrupt came in while soft-disabled. We set paca->irq_happened, then: @@ -1485,8 +1485,10 @@ USE_TEXT_SECTION() */ .balign IFETCH_ALIGN_BYTES do_hash_page: -#ifdef CONFIG_PPC_STD_MMU_64 - andis. r0,r4,0xa450 /* weird error? */ + #ifdef CONFIG_PPC_STD_MMU_64 + lis r0,DSISR_BAD_FAULT_64S@h + ori r0,r0,DSISR_BAD_FAULT_64S@l + and. r0,r4,r0 /* weird error? */ bne- handle_page_fault /* if not, try to insert a HPTE */ CURRENT_THREAD_INFO(r11, r1) lwz r0,TI_PREEMPT(r11) /* If we're in an "NMI" */ diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index e22734278458..8c54166491e7 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -388,7 +388,7 @@ DataAccess: EXCEPTION_PROLOG mfspr r10,SPRN_DSISR stw r10,_DSISR(r11) - andis. r0,r10,0xa470 /* weird error? */ + andis. r0,r10,DSISR_BAD_FAULT_32S@h bne 1f /* if not, try to put a PTE */ mfspr r4,SPRN_DAR /* into the hash table */ rlwinm r3,r10,32-15,21,21 /* DSISR_STORE -> _PAGE_RW */ @@ -403,13 +403,13 @@ DataAccess: DO_KVM 0x400 InstructionAccess: EXCEPTION_PROLOG - andis. r0,r9,0x4000 /* no pte found? */ + andis. r0,r9,SRR1_ISI_NOPT@h /* no pte found? */ beq 1f /* if so, try to put a PTE */ li r3,0 /* into the hash table */ mr r4,r12 /* SRR0 is fault address */ bl hash_page 1: mr r4,r12 - mr r5,r9 + andis. r5,r9,DSISR_SRR1_MATCH_32S@h /* Filter relevant SRR1 bits */ EXC_XFER_LITE(0x400, handle_page_fault) /* External interrupt */ diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index c032fe8c2d26..4fee00d414e8 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S @@ -50,18 +50,20 @@ mtspr spr, reg #endif -/* Macro to test if an address is a kernel address */ #if CONFIG_TASK_SIZE <= 0x80000000 && CONFIG_PAGE_OFFSET >= 0x80000000 -#define IS_KERNEL(tmp, addr) \ - andis. tmp, addr, 0x8000 /* Address >= 0x80000000 */ -#define BRANCH_UNLESS_KERNEL(label) beq label -#else -#define IS_KERNEL(tmp, addr) \ - rlwinm tmp, addr, 16, 16, 31; \ - cmpli cr0, tmp, PAGE_OFFSET >> 16 -#define BRANCH_UNLESS_KERNEL(label) blt label +/* By simply checking Address >= 0x80000000, we know if its a kernel address */ +#define SIMPLE_KERNEL_ADDRESS 1 #endif +/* + * We need an ITLB miss handler for kernel addresses if: + * - Either we have modules + * - Or we have not pinned the first 8M + */ +#if defined(CONFIG_MODULES) || !defined(CONFIG_PIN_TLB_TEXT) || \ + defined(CONFIG_DEBUG_PAGEALLOC) +#define ITLB_MISS_KERNEL 1 +#endif /* * Value for the bits that have fixed value in RPN entries. @@ -123,7 +125,6 @@ turn_on_mmu: lis r0,start_here@h ori r0,r0,start_here@l mtspr SPRN_SRR0,r0 - SYNC rfi /* enables MMU */ /* @@ -170,7 +171,7 @@ turn_on_mmu: stw r1,0(r11); \ tovirt(r1,r11); /* set new kernel sp */ \ li r10,MSR_KERNEL & ~(MSR_IR|MSR_DR); /* can take exceptions */ \ - MTMSRD(r10); /* (except for mach check in rtas) */ \ + mtmsr r10; \ stw r0,GPR0(r11); \ SAVE_4GPRS(3, r11); \ SAVE_2GPRS(7, r11) @@ -300,7 +301,7 @@ SystemCall: /* On the MPC8xx, this is a software emulation interrupt. It occurs * for all unimplemented and illegal instructions. */ - EXCEPTION(0x1000, SoftEmu, SoftwareEmulation, EXC_XFER_STD) + EXCEPTION(0x1000, SoftEmu, program_check_exception, EXC_XFER_STD) . = 0x1100 /* @@ -325,7 +326,7 @@ SystemCall: #endif InstructionTLBMiss: -#if defined(CONFIG_8xx_CPU6) || defined(CONFIG_MODULES) || defined (CONFIG_DEBUG_PAGEALLOC) || defined (CONFIG_HUGETLB_PAGE) +#if defined(CONFIG_8xx_CPU6) || defined(ITLB_MISS_KERNEL) || defined(CONFIG_HUGETLB_PAGE) mtspr SPRN_SPRG_SCRATCH2, r3 #endif EXCEPTION_PROLOG_0 @@ -343,15 +344,32 @@ InstructionTLBMiss: INVALIDATE_ADJACENT_PAGES_CPU15(r11, r10) /* Only modules will cause ITLB Misses as we always * pin the first 8MB of kernel memory */ -#if defined(CONFIG_MODULES) || defined (CONFIG_DEBUG_PAGEALLOC) || defined (CONFIG_HUGETLB_PAGE) +#if defined(ITLB_MISS_KERNEL) || defined(CONFIG_HUGETLB_PAGE) mfcr r3 #endif -#if defined(CONFIG_MODULES) || defined (CONFIG_DEBUG_PAGEALLOC) - IS_KERNEL(r11, r10) +#ifdef ITLB_MISS_KERNEL +#if defined(SIMPLE_KERNEL_ADDRESS) && defined(CONFIG_PIN_TLB_TEXT) + andis. r11, r10, 0x8000 /* Address >= 0x80000000 */ +#else + rlwinm r11, r10, 16, 0xfff8 + cmpli cr0, r11, PAGE_OFFSET@h +#ifndef CONFIG_PIN_TLB_TEXT + /* It is assumed that kernel code fits into the first 8M page */ +_ENTRY(ITLBMiss_cmp) + cmpli cr7, r11, (PAGE_OFFSET + 0x0800000)@h +#endif +#endif #endif mfspr r11, SPRN_M_TW /* Get level 1 table */ -#if defined(CONFIG_MODULES) || defined (CONFIG_DEBUG_PAGEALLOC) - BRANCH_UNLESS_KERNEL(3f) +#ifdef ITLB_MISS_KERNEL +#if defined(SIMPLE_KERNEL_ADDRESS) && defined(CONFIG_PIN_TLB_TEXT) + beq+ 3f +#else + blt+ 3f +#endif +#ifndef CONFIG_PIN_TLB_TEXT + blt cr7, ITLBMissLinear +#endif lis r11, (swapper_pg_dir-PAGE_OFFSET)@ha 3: #endif @@ -369,7 +387,7 @@ InstructionTLBMiss: rlwimi r10, r11, 0, 0, 32 - PAGE_SHIFT - 1 /* Add level 2 base */ lwz r10, 0(r10) /* Get the pte */ 4: -#if defined(CONFIG_MODULES) || defined (CONFIG_DEBUG_PAGEALLOC) || defined (CONFIG_HUGETLB_PAGE) +#if defined(ITLB_MISS_KERNEL) || defined(CONFIG_HUGETLB_PAGE) mtcr r3 #endif /* Insert the APG into the TWC from the Linux PTE. */ @@ -400,7 +418,7 @@ InstructionTLBMiss: MTSPR_CPU6(SPRN_MI_RPN, r10, r3) /* Update TLB entry */ /* Restore registers */ -#if defined(CONFIG_8xx_CPU6) || defined(CONFIG_MODULES) || defined (CONFIG_DEBUG_PAGEALLOC) || defined (CONFIG_HUGETLB_PAGE) +#if defined(CONFIG_8xx_CPU6) || defined(ITLB_MISS_KERNEL) || defined(CONFIG_HUGETLB_PAGE) mfspr r3, SPRN_SPRG_SCRATCH2 #endif EXCEPTION_EPILOG_0 @@ -447,23 +465,23 @@ DataStoreTLBMiss: * kernel page tables. */ mfspr r10, SPRN_MD_EPN - rlwinm r10, r10, 16, 0xfff8 - cmpli cr0, r10, PAGE_OFFSET@h + rlwinm r11, r10, 16, 0xfff8 + cmpli cr0, r11, PAGE_OFFSET@h mfspr r11, SPRN_M_TW /* Get level 1 table */ blt+ 3f + rlwinm r11, r10, 16, 0xfff8 #ifndef CONFIG_PIN_TLB_IMMR - cmpli cr0, r10, VIRT_IMMR_BASE@h + cmpli cr0, r11, VIRT_IMMR_BASE@h #endif _ENTRY(DTLBMiss_cmp) - cmpli cr7, r10, (PAGE_OFFSET + 0x1800000)@h - lis r11, (swapper_pg_dir-PAGE_OFFSET)@ha + cmpli cr7, r11, (PAGE_OFFSET + 0x1800000)@h #ifndef CONFIG_PIN_TLB_IMMR _ENTRY(DTLBMiss_jmp) beq- DTLBMissIMMR #endif blt cr7, DTLBMissLinear + lis r11, (swapper_pg_dir-PAGE_OFFSET)@ha 3: - mfspr r10, SPRN_MD_EPN /* Insert level 1 index */ rlwimi r11, r10, 32 - ((PAGE_SHIFT - 2) << 1), (PAGE_SHIFT - 2) << 1, 29 @@ -569,8 +587,8 @@ _ENTRY(DTLBMiss_jmp) InstructionTLBError: EXCEPTION_PROLOG mr r4,r12 - mr r5,r9 - andis. r10,r5,0x4000 + andis. r5,r9,DSISR_SRR1_MATCH_32S@h /* Filter relevant SRR1 bits */ + andis. r10,r9,SRR1_ISI_NOPT@h beq+ 1f tlbie r4 itlbie: @@ -595,7 +613,7 @@ DARFixed:/* Return from dcbx instruction bug workaround */ mfspr r5,SPRN_DSISR stw r5,_DSISR(r11) mfspr r4,SPRN_DAR - andis. r10,r5,0x4000 + andis. r10,r5,DSISR_NOHPTE@h beq+ 1f tlbie r4 dtlbie: @@ -684,7 +702,7 @@ DTLBMissLinear: /* Set 8M byte page and mark it valid */ li r11, MD_PS8MEG | MD_SVALID MTSPR_CPU6(SPRN_MD_TWC, r11, r3) - rlwinm r10, r10, 16, 0x0f800000 /* 8xx supports max 256Mb RAM */ + rlwinm r10, r10, 0, 0x0f800000 /* 8xx supports max 256Mb RAM */ ori r10, r10, 0xf0 | MD_SPS16K | _PAGE_SHARED | _PAGE_DIRTY | \ _PAGE_PRESENT MTSPR_CPU6(SPRN_MD_RPN, r10, r11) /* Update TLB entry */ @@ -695,6 +713,22 @@ DTLBMissLinear: EXCEPTION_EPILOG_0 rfi +#ifndef CONFIG_PIN_TLB_TEXT +ITLBMissLinear: + mtcr r3 + /* Set 8M byte page and mark it valid */ + li r11, MI_PS8MEG | MI_SVALID | _PAGE_EXEC + MTSPR_CPU6(SPRN_MI_TWC, r11, r3) + rlwinm r10, r10, 0, 0x0f800000 /* 8xx supports max 256Mb RAM */ + ori r10, r10, 0xf0 | MI_SPS16K | _PAGE_SHARED | _PAGE_DIRTY | \ + _PAGE_PRESENT + MTSPR_CPU6(SPRN_MI_RPN, r10, r11) /* Update TLB entry */ + + mfspr r3, SPRN_SPRG_SCRATCH2 + EXCEPTION_EPILOG_0 + rfi +#endif + /* This is the procedure to calculate the data EA for buggy dcbx,dcbi instructions * by decoding the registers used by the dcbx instruction and adding them. * DAR is set to the calculated address. @@ -705,9 +739,10 @@ FixupDAR:/* Entry point for dcbx workaround. */ mtspr SPRN_SPRG_SCRATCH2, r10 /* fetch instruction from memory. */ mfspr r10, SPRN_SRR0 - IS_KERNEL(r11, r10) + rlwinm r11, r10, 16, 0xfff8 + cmpli cr0, r11, PAGE_OFFSET@h mfspr r11, SPRN_M_TW /* Get level 1 table */ - BRANCH_UNLESS_KERNEL(3f) + blt+ 3f rlwinm r11, r10, 16, 0xfff8 _ENTRY(FixupDAR_cmp) cmpli cr7, r11, (PAGE_OFFSET + 0x1800000)@h @@ -915,10 +950,8 @@ start_here: rfi /* Load up the kernel context */ 2: - SYNC /* Force all PTE updates to finish */ tlbia /* Clear all TLB entries */ sync /* wait for tlbia/tlbie to finish */ - TLBSYNC /* ... on all CPUs */ /* set up the PTE pointers for the Abatron bdiGDB. */ @@ -955,15 +988,14 @@ initial_mmu: mtspr SPRN_MD_CTR, r10 /* remove PINNED DTLB entries */ tlbia /* Invalidate all TLB entries */ -/* Always pin the first 8 MB ITLB to prevent ITLB - misses while mucking around with SRR0/SRR1 in asm -*/ +#ifdef CONFIG_PIN_TLB_TEXT lis r8, MI_RSV4I@h ori r8, r8, 0x1c00 mtspr SPRN_MI_CTR, r8 /* Set instruction MMU control */ +#endif -#ifdef CONFIG_PIN_TLB +#ifdef CONFIG_PIN_TLB_DATA oris r10, r10, MD_RSV4I@h mtspr SPRN_MD_CTR, r10 /* Set data TLB control */ #endif @@ -989,6 +1021,7 @@ initial_mmu: * internal registers (among other things). */ #ifdef CONFIG_PIN_TLB_IMMR + oris r10, r10, MD_RSV4I@h ori r10, r10, 0x1c00 mtspr SPRN_MD_CTR, r10 diff --git a/arch/powerpc/kernel/idle_book3s.S b/arch/powerpc/kernel/idle_book3s.S index e6252c5a57a4..bfbf0976fc09 100644 --- a/arch/powerpc/kernel/idle_book3s.S +++ b/arch/powerpc/kernel/idle_book3s.S @@ -85,7 +85,61 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_ARCH_300) std r3,_WORT(r1) mfspr r3,SPRN_WORC std r3,_WORC(r1) +/* + * On POWER9, there are idle states such as stop4, invoked via cpuidle, + * that lose hypervisor resources. In such cases, we need to save + * additional SPRs before entering those idle states so that they can + * be restored to their older values on wakeup from the idle state. + * + * On POWER8, the only such deep idle state is winkle which is used + * only in the context of CPU-Hotplug, where these additional SPRs are + * reinitiazed to a sane value. Hence there is no need to save/restore + * these SPRs. + */ +BEGIN_FTR_SECTION + blr +END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_300) + +power9_save_additional_sprs: + mfspr r3, SPRN_PID + mfspr r4, SPRN_LDBAR + std r3, STOP_PID(r13) + std r4, STOP_LDBAR(r13) + mfspr r3, SPRN_FSCR + mfspr r4, SPRN_HFSCR + std r3, STOP_FSCR(r13) + std r4, STOP_HFSCR(r13) + + mfspr r3, SPRN_MMCRA + mfspr r4, SPRN_MMCR1 + std r3, STOP_MMCRA(r13) + std r4, STOP_MMCR1(r13) + + mfspr r3, SPRN_MMCR2 + std r3, STOP_MMCR2(r13) + blr + +power9_restore_additional_sprs: + ld r3,_LPCR(r1) + ld r4, STOP_PID(r13) + mtspr SPRN_LPCR,r3 + mtspr SPRN_PID, r4 + + ld r3, STOP_LDBAR(r13) + ld r4, STOP_FSCR(r13) + mtspr SPRN_LDBAR, r3 + mtspr SPRN_FSCR, r4 + + ld r3, STOP_HFSCR(r13) + ld r4, STOP_MMCRA(r13) + mtspr SPRN_HFSCR, r3 + mtspr SPRN_MMCRA, r4 + /* We have already restored PACA_MMCR0 */ + ld r3, STOP_MMCR1(r13) + ld r4, STOP_MMCR2(r13) + mtspr SPRN_MMCR1, r3 + mtspr SPRN_MMCR2, r4 blr /* @@ -809,9 +863,16 @@ no_segments: mtctr r12 bctrl +/* + * On POWER9, we can come here on wakeup from a cpuidle stop state. + * Hence restore the additional SPRs to the saved value. + * + * On POWER8, we come here only on winkle. Since winkle is used + * only in the case of CPU-Hotplug, we don't need to restore + * the additional SPRs. + */ BEGIN_FTR_SECTION - ld r4,_LPCR(r1) - mtspr SPRN_LPCR,r4 + bl power9_restore_additional_sprs END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) hypervisor_state_restored: diff --git a/arch/powerpc/kernel/io-workarounds.c b/arch/powerpc/kernel/io-workarounds.c index a582e0d42525..bbe85f5aea71 100644 --- a/arch/powerpc/kernel/io-workarounds.c +++ b/arch/powerpc/kernel/io-workarounds.c @@ -19,6 +19,8 @@ #include <asm/pgtable.h> #include <asm/ppc-pci.h> #include <asm/io-workarounds.h> +#include <asm/pte-walk.h> + #define IOWA_MAX_BUS 8 @@ -75,8 +77,7 @@ struct iowa_bus *iowa_mem_find_bus(const PCI_IO_ADDR addr) * We won't find huge pages here (iomem). Also can't hit * a page table free due to init_mm */ - ptep = __find_linux_pte_or_hugepte(init_mm.pgd, vaddr, - NULL, &hugepage_shift); + ptep = find_init_mm_pte(vaddr, &hugepage_shift); if (ptep == NULL) paddr = 0; else { diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index 233ca3fe4754..e0af6cd7ba4f 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -190,7 +190,7 @@ static unsigned long iommu_range_alloc(struct device *dev, unsigned int pool_nr; struct iommu_pool *pool; - align_mask = 0xffffffffffffffffl >> (64 - align_order); + align_mask = (1ull << align_order) - 1; /* This allocator was derived from x86_64's bit string search */ @@ -208,7 +208,7 @@ static unsigned long iommu_range_alloc(struct device *dev, * We don't need to disable preemption here because any CPU can * safely use any IOMMU pool. */ - pool_nr = __this_cpu_read(iommu_pool_hash) & (tbl->nr_pools - 1); + pool_nr = raw_cpu_read(iommu_pool_hash) & (tbl->nr_pools - 1); if (largealloc) pool = &(tbl->large_pool); diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index f291f7826abc..da6d22ab180e 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -24,7 +24,7 @@ * mask register (of which only 16 are defined), hence the weird shifting * and complement of the cached_irq_mask. I want to be able to stuff * this right into the SIU SMASK register. - * Many of the prep/chrp functions are conditional compiled on CONFIG_8xx + * Many of the prep/chrp functions are conditional compiled on CONFIG_PPC_8xx * to reduce code space and undefined function references. */ @@ -483,6 +483,18 @@ int arch_show_interrupts(struct seq_file *p, int prec) seq_printf(p, " Hypervisor Maintenance Interrupts\n"); } + seq_printf(p, "%*s: ", prec, "NMI"); + for_each_online_cpu(j) + seq_printf(p, "%10u ", per_cpu(irq_stat, j).sreset_irqs); + seq_printf(p, " System Reset interrupts\n"); + +#ifdef CONFIG_PPC_WATCHDOG + seq_printf(p, "%*s: ", prec, "WDG"); + for_each_online_cpu(j) + seq_printf(p, "%10u ", per_cpu(irq_stat, j).soft_nmi_irqs); + seq_printf(p, " Watchdog soft-NMI interrupts\n"); +#endif + #ifdef CONFIG_PPC_DOORBELL if (cpu_has_feature(CPU_FTR_DBELL)) { seq_printf(p, "%*s: ", prec, "DBL"); @@ -507,6 +519,10 @@ u64 arch_irq_stat_cpu(unsigned int cpu) sum += per_cpu(irq_stat, cpu).spurious_irqs; sum += per_cpu(irq_stat, cpu).timer_irqs_others; sum += per_cpu(irq_stat, cpu).hmi_exceptions; + sum += per_cpu(irq_stat, cpu).sreset_irqs; +#ifdef CONFIG_PPC_WATCHDOG + sum += per_cpu(irq_stat, cpu).soft_nmi_irqs; +#endif #ifdef CONFIG_PPC_DOORBELL sum += per_cpu(irq_stat, cpu).doorbell_irqs; #endif diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c index dbf098121ce6..35e240a0a408 100644 --- a/arch/powerpc/kernel/kgdb.c +++ b/arch/powerpc/kernel/kgdb.c @@ -67,9 +67,9 @@ static struct hard_trap_info #endif #else /* ! (defined(CONFIG_40x) || defined(CONFIG_BOOKE)) */ { 0x0d00, 0x05 /* SIGTRAP */ }, /* single-step */ -#if defined(CONFIG_8xx) +#if defined(CONFIG_PPC_8xx) { 0x1000, 0x04 /* SIGILL */ }, /* software emulation */ -#else /* ! CONFIG_8xx */ +#else /* ! CONFIG_PPC_8xx */ { 0x0f00, 0x04 /* SIGILL */ }, /* performance monitor */ { 0x0f20, 0x08 /* SIGFPE */ }, /* altivec unavailable */ { 0x1300, 0x05 /* SIGTRAP */ }, /* instruction address break */ diff --git a/arch/powerpc/kernel/l2cr_6xx.S b/arch/powerpc/kernel/l2cr_6xx.S index 97ec8557f974..6408f09dbbd9 100644 --- a/arch/powerpc/kernel/l2cr_6xx.S +++ b/arch/powerpc/kernel/l2cr_6xx.S @@ -181,7 +181,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_SPEC7450) mtctr r4 li r4,0 1: - lwzx r0,r0,r4 + lwzx r0,0,r4 addi r4,r4,32 /* Go to start of next cache line */ bdnz 1b isync @@ -328,7 +328,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_L3CR) mtctr r4 li r4,0 1: - lwzx r0,r0,r4 + lwzx r0,0,r4 dcbf 0,r4 addi r4,r4,32 /* Go to start of next cache line */ bdnz 1b diff --git a/arch/powerpc/kernel/mce.c b/arch/powerpc/kernel/mce.c index e0e131e662ed..9b2ea7e71c06 100644 --- a/arch/powerpc/kernel/mce.c +++ b/arch/powerpc/kernel/mce.c @@ -22,11 +22,14 @@ #undef DEBUG #define pr_fmt(fmt) "mce: " fmt +#include <linux/hardirq.h> #include <linux/types.h> #include <linux/ptrace.h> #include <linux/percpu.h> #include <linux/export.h> #include <linux/irq_work.h> + +#include <asm/machdep.h> #include <asm/mce.h> static DEFINE_PER_CPU(int, mce_nest_count); @@ -446,3 +449,33 @@ uint64_t get_mce_fault_addr(struct machine_check_event *evt) return 0; } EXPORT_SYMBOL(get_mce_fault_addr); + +/* + * This function is called in real mode. Strictly no printk's please. + * + * regs->nip and regs->msr contains srr0 and ssr1. + */ +long machine_check_early(struct pt_regs *regs) +{ + long handled = 0; + + __this_cpu_inc(irq_stat.mce_exceptions); + + if (cur_cpu_spec && cur_cpu_spec->machine_check_early) + handled = cur_cpu_spec->machine_check_early(regs); + return handled; +} + +long hmi_exception_realmode(struct pt_regs *regs) +{ + __this_cpu_inc(irq_stat.hmi_exceptions); + + wait_for_subcore_guest_exit(); + + if (ppc_md.hmi_exception_early) + ppc_md.hmi_exception_early(regs); + + wait_for_tb_resync(); + + return 0; +} diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 1f0fd361e09b..34bd94b090e2 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -230,7 +230,8 @@ void enable_kernel_fp(void) } EXPORT_SYMBOL(enable_kernel_fp); -static int restore_fp(struct task_struct *tsk) { +static int restore_fp(struct task_struct *tsk) +{ if (tsk->thread.load_fp || msr_tm_active(tsk->thread.regs->msr)) { load_fp_state(¤t->thread.fp_state); current->thread.load_fp++; @@ -330,11 +331,19 @@ static inline int restore_altivec(struct task_struct *tsk) { return 0; } #ifdef CONFIG_VSX static void __giveup_vsx(struct task_struct *tsk) { - if (tsk->thread.regs->msr & MSR_FP) + unsigned long msr = tsk->thread.regs->msr; + + /* + * We should never be ssetting MSR_VSX without also setting + * MSR_FP and MSR_VEC + */ + WARN_ON((msr & MSR_VSX) && !((msr & MSR_FP) && (msr & MSR_VEC))); + + /* __giveup_fpu will clear MSR_VSX */ + if (msr & MSR_FP) __giveup_fpu(tsk); - if (tsk->thread.regs->msr & MSR_VEC) + if (msr & MSR_VEC) __giveup_altivec(tsk); - tsk->thread.regs->msr &= ~MSR_VSX; } static void giveup_vsx(struct task_struct *tsk) @@ -346,14 +355,6 @@ static void giveup_vsx(struct task_struct *tsk) msr_check_and_clear(MSR_FP|MSR_VEC|MSR_VSX); } -static void save_vsx(struct task_struct *tsk) -{ - if (tsk->thread.regs->msr & MSR_FP) - save_fpu(tsk); - if (tsk->thread.regs->msr & MSR_VEC) - save_altivec(tsk); -} - void enable_kernel_vsx(void) { unsigned long cpumsr; @@ -374,10 +375,6 @@ void enable_kernel_vsx(void) */ if(!msr_tm_active(cpumsr) && msr_tm_active(current->thread.regs->msr)) return; - if (current->thread.regs->msr & MSR_FP) - __giveup_fpu(current); - if (current->thread.regs->msr & MSR_VEC) - __giveup_altivec(current); __giveup_vsx(current); } } @@ -407,7 +404,6 @@ static int restore_vsx(struct task_struct *tsk) } #else static inline int restore_vsx(struct task_struct *tsk) { return 0; } -static inline void save_vsx(struct task_struct *tsk) { } #endif /* CONFIG_VSX */ #ifdef CONFIG_SPE @@ -487,6 +483,8 @@ void giveup_all(struct task_struct *tsk) msr_check_and_set(msr_all_available); check_if_tm_restore_required(tsk); + WARN_ON((usermsr & MSR_VSX) && !((usermsr & MSR_FP) && (usermsr & MSR_VEC))); + #ifdef CONFIG_PPC_FPU if (usermsr & MSR_FP) __giveup_fpu(tsk); @@ -495,10 +493,6 @@ void giveup_all(struct task_struct *tsk) if (usermsr & MSR_VEC) __giveup_altivec(tsk); #endif -#ifdef CONFIG_VSX - if (usermsr & MSR_VSX) - __giveup_vsx(tsk); -#endif #ifdef CONFIG_SPE if (usermsr & MSR_SPE) __giveup_spe(tsk); @@ -553,19 +547,13 @@ void save_all(struct task_struct *tsk) msr_check_and_set(msr_all_available); - /* - * Saving the way the register space is in hardware, save_vsx boils - * down to a save_fpu() and save_altivec() - */ - if (usermsr & MSR_VSX) { - save_vsx(tsk); - } else { - if (usermsr & MSR_FP) - save_fpu(tsk); + WARN_ON((usermsr & MSR_VSX) && !((usermsr & MSR_FP) && (usermsr & MSR_VEC))); - if (usermsr & MSR_VEC) - save_altivec(tsk); - } + if (usermsr & MSR_FP) + save_fpu(tsk); + + if (usermsr & MSR_VEC) + save_altivec(tsk); if (usermsr & MSR_SPE) __giveup_spe(tsk); diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 94a948207cd2..0f896f17d5ab 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -916,13 +916,6 @@ void __init setup_arch(char **cmdline_p) /* Reserve large chunks of memory for use by CMA for KVM. */ kvm_cma_reserve(); - /* - * Reserve any gigantic pages requested on the command line. - * memblock needs to have been initialized by the time this is - * called since this will reserve memory. - */ - reserve_hugetlb_gpages(); - klp_init_thread_info(&init_thread_info); init_mm.start_code = (unsigned long)_stext; diff --git a/arch/powerpc/kernel/swsusp_asm64.S b/arch/powerpc/kernel/swsusp_asm64.S index 988f38dced0f..82d8aae81c6a 100644 --- a/arch/powerpc/kernel/swsusp_asm64.S +++ b/arch/powerpc/kernel/swsusp_asm64.S @@ -179,7 +179,7 @@ nothing_to_copy: sld r3, r3, r0 li r0, 0 1: - dcbf r0,r3 + dcbf 0,r3 addi r3,r3,0x20 bdnz 1b diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index bfcfd9ef09f2..675d5d2bfcde 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -288,6 +288,8 @@ void system_reset_exception(struct pt_regs *regs) if (!nested) nmi_enter(); + __this_cpu_inc(irq_stat.sreset_irqs); + /* See if any machine dependent calls */ if (ppc_md.system_reset_exception) { if (ppc_md.system_reset_exception(regs)) @@ -312,39 +314,6 @@ out: /* What should we do here? We could issue a shutdown or hard reset. */ } -#ifdef CONFIG_PPC64 -/* - * This function is called in real mode. Strictly no printk's please. - * - * regs->nip and regs->msr contains srr0 and ssr1. - */ -long machine_check_early(struct pt_regs *regs) -{ - long handled = 0; - - __this_cpu_inc(irq_stat.mce_exceptions); - - if (cur_cpu_spec && cur_cpu_spec->machine_check_early) - handled = cur_cpu_spec->machine_check_early(regs); - return handled; -} - -long hmi_exception_realmode(struct pt_regs *regs) -{ - __this_cpu_inc(irq_stat.hmi_exceptions); - - wait_for_subcore_guest_exit(); - - if (ppc_md.hmi_exception_early) - ppc_md.hmi_exception_early(regs); - - wait_for_tb_resync(); - - return 0; -} - -#endif - /* * I/O accesses can cause machine checks on powermacs. * Check if the NIP corresponds to the address of a sync @@ -397,11 +366,6 @@ static inline int check_io_access(struct pt_regs *regs) /* On 4xx, the reason for the machine check or program exception is in the ESR. */ #define get_reason(regs) ((regs)->dsisr) -#ifndef CONFIG_FSL_BOOKE -#define get_mc_reason(regs) ((regs)->dsisr) -#else -#define get_mc_reason(regs) (mfspr(SPRN_MCSR)) -#endif #define REASON_FP ESR_FP #define REASON_ILLEGAL (ESR_PIL | ESR_PUO) #define REASON_PRIVILEGED ESR_PPR @@ -415,108 +379,17 @@ static inline int check_io_access(struct pt_regs *regs) /* On non-4xx, the reason for the machine check or program exception is in the MSR. */ #define get_reason(regs) ((regs)->msr) -#define get_mc_reason(regs) ((regs)->msr) -#define REASON_TM 0x200000 -#define REASON_FP 0x100000 -#define REASON_ILLEGAL 0x80000 -#define REASON_PRIVILEGED 0x40000 -#define REASON_TRAP 0x20000 +#define REASON_TM SRR1_PROGTM +#define REASON_FP SRR1_PROGFPE +#define REASON_ILLEGAL SRR1_PROGILL +#define REASON_PRIVILEGED SRR1_PROGPRIV +#define REASON_TRAP SRR1_PROGTRAP #define single_stepping(regs) ((regs)->msr & MSR_SE) #define clear_single_step(regs) ((regs)->msr &= ~MSR_SE) #endif -#if defined(CONFIG_4xx) -int machine_check_4xx(struct pt_regs *regs) -{ - unsigned long reason = get_mc_reason(regs); - - if (reason & ESR_IMCP) { - printk("Instruction"); - mtspr(SPRN_ESR, reason & ~ESR_IMCP); - } else - printk("Data"); - printk(" machine check in kernel mode.\n"); - - return 0; -} - -int machine_check_440A(struct pt_regs *regs) -{ - unsigned long reason = get_mc_reason(regs); - - printk("Machine check in kernel mode.\n"); - if (reason & ESR_IMCP){ - printk("Instruction Synchronous Machine Check exception\n"); - mtspr(SPRN_ESR, reason & ~ESR_IMCP); - } - else { - u32 mcsr = mfspr(SPRN_MCSR); - if (mcsr & MCSR_IB) - printk("Instruction Read PLB Error\n"); - if (mcsr & MCSR_DRB) - printk("Data Read PLB Error\n"); - if (mcsr & MCSR_DWB) - printk("Data Write PLB Error\n"); - if (mcsr & MCSR_TLBP) - printk("TLB Parity Error\n"); - if (mcsr & MCSR_ICP){ - flush_instruction_cache(); - printk("I-Cache Parity Error\n"); - } - if (mcsr & MCSR_DCSP) - printk("D-Cache Search Parity Error\n"); - if (mcsr & MCSR_DCFP) - printk("D-Cache Flush Parity Error\n"); - if (mcsr & MCSR_IMPE) - printk("Machine Check exception is imprecise\n"); - - /* Clear MCSR */ - mtspr(SPRN_MCSR, mcsr); - } - return 0; -} - -int machine_check_47x(struct pt_regs *regs) -{ - unsigned long reason = get_mc_reason(regs); - u32 mcsr; - - printk(KERN_ERR "Machine check in kernel mode.\n"); - if (reason & ESR_IMCP) { - printk(KERN_ERR - "Instruction Synchronous Machine Check exception\n"); - mtspr(SPRN_ESR, reason & ~ESR_IMCP); - return 0; - } - mcsr = mfspr(SPRN_MCSR); - if (mcsr & MCSR_IB) - printk(KERN_ERR "Instruction Read PLB Error\n"); - if (mcsr & MCSR_DRB) - printk(KERN_ERR "Data Read PLB Error\n"); - if (mcsr & MCSR_DWB) - printk(KERN_ERR "Data Write PLB Error\n"); - if (mcsr & MCSR_TLBP) - printk(KERN_ERR "TLB Parity Error\n"); - if (mcsr & MCSR_ICP) { - flush_instruction_cache(); - printk(KERN_ERR "I-Cache Parity Error\n"); - } - if (mcsr & MCSR_DCSP) - printk(KERN_ERR "D-Cache Search Parity Error\n"); - if (mcsr & PPC47x_MCSR_GPR) - printk(KERN_ERR "GPR Parity Error\n"); - if (mcsr & PPC47x_MCSR_FPR) - printk(KERN_ERR "FPR Parity Error\n"); - if (mcsr & PPC47x_MCSR_IPR) - printk(KERN_ERR "Machine Check exception is imprecise\n"); - - /* Clear MCSR */ - mtspr(SPRN_MCSR, mcsr); - - return 0; -} -#elif defined(CONFIG_E500) +#if defined(CONFIG_E500) int machine_check_e500mc(struct pt_regs *regs) { unsigned long mcsr = mfspr(SPRN_MCSR); @@ -618,7 +491,7 @@ silent_out: int machine_check_e500(struct pt_regs *regs) { - unsigned long reason = get_mc_reason(regs); + unsigned long reason = mfspr(SPRN_MCSR); if (reason & MCSR_BUS_RBERR) { if (fsl_rio_mcheck_exception(regs)) @@ -665,7 +538,7 @@ int machine_check_generic(struct pt_regs *regs) #elif defined(CONFIG_E200) int machine_check_e200(struct pt_regs *regs) { - unsigned long reason = get_mc_reason(regs); + unsigned long reason = mfspr(SPRN_MCSR); printk("Machine check in kernel mode.\n"); printk("Caused by (from MCSR=%lx): ", reason); @@ -687,35 +560,10 @@ int machine_check_e200(struct pt_regs *regs) return 0; } -#elif defined(CONFIG_PPC_8xx) -int machine_check_8xx(struct pt_regs *regs) -{ - unsigned long reason = get_mc_reason(regs); - - pr_err("Machine check in kernel mode.\n"); - pr_err("Caused by (from SRR1=%lx): ", reason); - if (reason & 0x40000000) - pr_err("Fetch error at address %lx\n", regs->nip); - else - pr_err("Data access error at address %lx\n", regs->dar); - -#ifdef CONFIG_PCI - /* the qspan pci read routines can cause machine checks -- Cort - * - * yuck !!! that totally needs to go away ! There are better ways - * to deal with that than having a wart in the mcheck handler. - * -- BenH - */ - bad_page_fault(regs, regs->dar, SIGBUS); - return 1; -#else - return 0; -#endif -} -#else +#elif defined(CONFIG_PPC32) int machine_check_generic(struct pt_regs *regs) { - unsigned long reason = get_mc_reason(regs); + unsigned long reason = regs->msr; printk("Machine check in kernel mode.\n"); printk("Caused by (from SRR1=%lx): ", reason); @@ -755,7 +603,9 @@ void machine_check_exception(struct pt_regs *regs) enum ctx_state prev_state = exception_enter(); int recover = 0; - __this_cpu_inc(irq_stat.mce_exceptions); + /* 64s accounts the mce in machine_check_early when in HVMODE */ + if (!IS_ENABLED(CONFIG_PPC_BOOK3S_64) || !cpu_has_feature(CPU_FTR_HVMODE)) + __this_cpu_inc(irq_stat.mce_exceptions); add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE); @@ -1672,24 +1522,6 @@ void performance_monitor_exception(struct pt_regs *regs) perf_irq(regs); } -#ifdef CONFIG_8xx -void SoftwareEmulation(struct pt_regs *regs) -{ - CHECK_FULL_REGS(regs); - - if (!user_mode(regs)) { - debugger(regs); - die("Kernel Mode Unimplemented Instruction or SW FPU Emulation", - regs, SIGFPE); - } - - if (!emulate_math(regs)) - return; - - _exception(SIGILL, regs, ILL_ILLOPC, regs->nip); -} -#endif /* CONFIG_8xx */ - #ifdef CONFIG_PPC_ADV_DEBUG_REGS static void handle_debug(struct pt_regs *regs, unsigned long debug_status) { diff --git a/arch/powerpc/kernel/vdso32/gettimeofday.S b/arch/powerpc/kernel/vdso32/gettimeofday.S index 6b2b69616e77..769c2624e0a6 100644 --- a/arch/powerpc/kernel/vdso32/gettimeofday.S +++ b/arch/powerpc/kernel/vdso32/gettimeofday.S @@ -232,15 +232,9 @@ __do_get_tspec: lwz r6,(CFG_TB_ORIG_STAMP+4)(r9) /* Get a stable TB value */ -#ifdef CONFIG_8xx -2: mftbu r3 - mftbl r4 - mftbu r0 -#else -2: mfspr r3, SPRN_TBRU - mfspr r4, SPRN_TBRL - mfspr r0, SPRN_TBRU -#endif +2: MFTBU(r3) + MFTBL(r4) + MFTBU(r0) cmplw cr0,r3,r0 bne- 2b diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index b1a250560198..882628fa6987 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -8,7 +8,7 @@ #include <asm/cache.h> #include <asm/thread_info.h> -#ifdef CONFIG_STRICT_KERNEL_RWX +#if defined(CONFIG_STRICT_KERNEL_RWX) && !defined(CONFIG_PPC32) #define STRICT_ALIGN_SIZE (1 << 24) #else #define STRICT_ALIGN_SIZE PAGE_SIZE diff --git a/arch/powerpc/kernel/watchdog.c b/arch/powerpc/kernel/watchdog.c index 34721a257a77..2f6eadd9408d 100644 --- a/arch/powerpc/kernel/watchdog.c +++ b/arch/powerpc/kernel/watchdog.c @@ -216,6 +216,9 @@ void soft_nmi_interrupt(struct pt_regs *regs) return; nmi_enter(); + + __this_cpu_inc(irq_stat.soft_nmi_irqs); + tb = get_tb(); if (tb - per_cpu(wd_timer_tb, cpu) >= wd_panic_timeout_tb) { per_cpu(wd_timer_tb, cpu) = tb; diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c index 8cb0190e2a73..4b219db39c47 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_hv.c +++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c @@ -37,6 +37,7 @@ #include <asm/synch.h> #include <asm/ppc-opcode.h> #include <asm/cputable.h> +#include <asm/pte-walk.h> #include "trace_hv.h" @@ -597,8 +598,8 @@ int kvmppc_book3s_hv_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu, * hugepage split and collapse. */ local_irq_save(flags); - ptep = find_linux_pte_or_hugepte(current->mm->pgd, - hva, NULL, NULL); + ptep = find_current_mm_pte(current->mm->pgd, + hva, NULL, NULL); if (ptep) { pte = kvmppc_read_update_linux_pte(ptep, 1); if (__pte_write(pte)) diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c index f6b3e67c5762..c5d7435455f1 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_radix.c +++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c @@ -17,6 +17,7 @@ #include <asm/mmu.h> #include <asm/pgtable.h> #include <asm/pgalloc.h> +#include <asm/pte-walk.h> /* * Supported radix tree geometry. @@ -322,13 +323,13 @@ int kvmppc_book3s_radix_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu, gpa = vcpu->arch.fault_gpa & ~0xfffUL; gpa &= ~0xF000000000000000ul; gfn = gpa >> PAGE_SHIFT; - if (!(dsisr & DSISR_PGDIRFAULT)) + if (!(dsisr & DSISR_PRTABLE_FAULT)) gpa |= ea & 0xfff; memslot = gfn_to_memslot(kvm, gfn); /* No memslot means it's an emulated MMIO region */ if (!memslot || (memslot->flags & KVM_MEMSLOT_INVALID)) { - if (dsisr & (DSISR_PGDIRFAULT | DSISR_BADACCESS | + if (dsisr & (DSISR_PRTABLE_FAULT | DSISR_BADACCESS | DSISR_SET_RC)) { /* * Bad address in guest page table tree, or other @@ -359,8 +360,7 @@ int kvmppc_book3s_radix_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu, if (writing) pgflags |= _PAGE_DIRTY; local_irq_save(flags); - ptep = __find_linux_pte_or_hugepte(current->mm->pgd, hva, - NULL, NULL); + ptep = find_current_mm_pte(current->mm->pgd, hva, NULL, NULL); if (ptep) { pte = READ_ONCE(*ptep); if (pte_present(pte) && @@ -374,8 +374,12 @@ int kvmppc_book3s_radix_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu, spin_unlock(&kvm->mmu_lock); return RESUME_GUEST; } - ptep = __find_linux_pte_or_hugepte(kvm->arch.pgtable, - gpa, NULL, &shift); + /* + * We are walking the secondary page table here. We can do this + * without disabling irq. + */ + ptep = __find_linux_pte(kvm->arch.pgtable, + gpa, NULL, &shift); if (ptep && pte_present(*ptep)) { kvmppc_radix_update_pte(kvm, ptep, 0, pgflags, gpa, shift); @@ -427,8 +431,8 @@ int kvmppc_book3s_radix_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu, pgflags |= _PAGE_WRITE; } else { local_irq_save(flags); - ptep = __find_linux_pte_or_hugepte(current->mm->pgd, - hva, NULL, NULL); + ptep = find_current_mm_pte(current->mm->pgd, + hva, NULL, NULL); if (ptep && pte_write(*ptep) && pte_dirty(*ptep)) pgflags |= _PAGE_WRITE; local_irq_restore(flags); @@ -499,8 +503,7 @@ int kvm_unmap_radix(struct kvm *kvm, struct kvm_memory_slot *memslot, unsigned int shift; unsigned long old; - ptep = __find_linux_pte_or_hugepte(kvm->arch.pgtable, gpa, - NULL, &shift); + ptep = __find_linux_pte(kvm->arch.pgtable, gpa, NULL, &shift); if (ptep && pte_present(*ptep)) { old = kvmppc_radix_update_pte(kvm, ptep, _PAGE_PRESENT, 0, gpa, shift); @@ -525,8 +528,7 @@ int kvm_age_radix(struct kvm *kvm, struct kvm_memory_slot *memslot, unsigned int shift; int ref = 0; - ptep = __find_linux_pte_or_hugepte(kvm->arch.pgtable, gpa, - NULL, &shift); + ptep = __find_linux_pte(kvm->arch.pgtable, gpa, NULL, &shift); if (ptep && pte_present(*ptep) && pte_young(*ptep)) { kvmppc_radix_update_pte(kvm, ptep, _PAGE_ACCESSED, 0, gpa, shift); @@ -545,8 +547,7 @@ int kvm_test_age_radix(struct kvm *kvm, struct kvm_memory_slot *memslot, unsigned int shift; int ref = 0; - ptep = __find_linux_pte_or_hugepte(kvm->arch.pgtable, gpa, - NULL, &shift); + ptep = __find_linux_pte(kvm->arch.pgtable, gpa, NULL, &shift); if (ptep && pte_present(*ptep) && pte_young(*ptep)) ref = 1; return ref; @@ -562,8 +563,7 @@ static int kvm_radix_test_clear_dirty(struct kvm *kvm, unsigned int shift; int ret = 0; - ptep = __find_linux_pte_or_hugepte(kvm->arch.pgtable, gpa, - NULL, &shift); + ptep = __find_linux_pte(kvm->arch.pgtable, gpa, NULL, &shift); if (ptep && pte_present(*ptep) && pte_dirty(*ptep)) { ret = 1; if (shift) diff --git a/arch/powerpc/kvm/book3s_64_vio_hv.c b/arch/powerpc/kvm/book3s_64_vio_hv.c index 3adfd2f5301c..c32e9bfe75b1 100644 --- a/arch/powerpc/kvm/book3s_64_vio_hv.c +++ b/arch/powerpc/kvm/book3s_64_vio_hv.c @@ -39,6 +39,7 @@ #include <asm/udbg.h> #include <asm/iommu.h> #include <asm/tce.h> +#include <asm/pte-walk.h> #ifdef CONFIG_BUG @@ -353,7 +354,16 @@ static long kvmppc_rm_ua_to_hpa(struct kvm_vcpu *vcpu, pte_t *ptep, pte; unsigned shift = 0; - ptep = __find_linux_pte_or_hugepte(vcpu->arch.pgdir, ua, NULL, &shift); + /* + * Called in real mode with MSR_EE = 0. We are safe here. + * It is ok to do the lookup with arch.pgdir here, because + * we are doing this on secondary cpus and current task there + * is not the hypervisor. Also this is safe against THP in the + * host, because an IPI to primary thread will wait for the secondary + * to exit which will agains result in the below page table walk + * to finish. + */ + ptep = __find_linux_pte(vcpu->arch.pgdir, ua, NULL, &shift); if (!ptep || !pte_present(*ptep)) return -ENXIO; pte = *ptep; diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm/book3s_hv_rm_mmu.c index 584c74c8119f..fedb0139524c 100644 --- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c +++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c @@ -22,6 +22,7 @@ #include <asm/hvcall.h> #include <asm/synch.h> #include <asm/ppc-opcode.h> +#include <asm/pte-walk.h> /* Translate address of a vmalloc'd thing to a linear map address */ static void *real_vmalloc_addr(void *x) @@ -31,9 +32,9 @@ static void *real_vmalloc_addr(void *x) /* * assume we don't have huge pages in vmalloc space... * So don't worry about THP collapse/split. Called - * Only in realmode, hence won't need irq_save/restore. + * Only in realmode with MSR_EE = 0, hence won't need irq_save/restore. */ - p = __find_linux_pte_or_hugepte(swapper_pg_dir, addr, NULL, NULL); + p = find_init_mm_pte(addr, NULL); if (!p || !pte_present(*p)) return NULL; addr = (pte_pfn(*p) << PAGE_SHIFT) | (addr & ~PAGE_MASK); @@ -230,14 +231,13 @@ long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags, * If we had a page table table change after lookup, we would * retry via mmu_notifier_retry. */ - if (realmode) - ptep = __find_linux_pte_or_hugepte(pgdir, hva, NULL, - &hpage_shift); - else { + if (!realmode) local_irq_save(irq_flags); - ptep = find_linux_pte_or_hugepte(pgdir, hva, NULL, - &hpage_shift); - } + /* + * If called in real mode we have MSR_EE = 0. Otherwise + * we disable irq above. + */ + ptep = __find_linux_pte(pgdir, hva, NULL, &hpage_shift); if (ptep) { pte_t pte; unsigned int host_pte_size; diff --git a/arch/powerpc/kvm/e500_mmu_host.c b/arch/powerpc/kvm/e500_mmu_host.c index 77fd043b3ecc..c6c734424c70 100644 --- a/arch/powerpc/kvm/e500_mmu_host.c +++ b/arch/powerpc/kvm/e500_mmu_host.c @@ -30,6 +30,7 @@ #include <linux/vmalloc.h> #include <linux/hugetlb.h> #include <asm/kvm_ppc.h> +#include <asm/pte-walk.h> #include "e500.h" #include "timing.h" @@ -476,7 +477,7 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500, * can't run hence pfn won't change. */ local_irq_save(flags); - ptep = find_linux_pte_or_hugepte(pgdir, hva, NULL, NULL); + ptep = find_linux_pte(pgdir, hva, NULL, NULL); if (ptep) { pte_t pte = READ_ONCE(*ptep); diff --git a/arch/powerpc/lib/copypage_power7.S b/arch/powerpc/lib/copypage_power7.S index a84d333ecb09..ca5fc8fa7efc 100644 --- a/arch/powerpc/lib/copypage_power7.S +++ b/arch/powerpc/lib/copypage_power7.S @@ -45,13 +45,13 @@ _GLOBAL(copypage_power7) .machine push .machine "power4" /* setup read stream 0 */ - dcbt r0,r4,0b01000 /* addr from */ - dcbt r0,r7,0b01010 /* length and depth from */ + dcbt 0,r4,0b01000 /* addr from */ + dcbt 0,r7,0b01010 /* length and depth from */ /* setup write stream 1 */ - dcbtst r0,r9,0b01000 /* addr to */ - dcbtst r0,r10,0b01010 /* length and depth to */ + dcbtst 0,r9,0b01000 /* addr to */ + dcbtst 0,r10,0b01010 /* length and depth to */ eieio - dcbt r0,r8,0b01010 /* all streams GO */ + dcbt 0,r8,0b01010 /* all streams GO */ .machine pop #ifdef CONFIG_ALTIVEC @@ -83,7 +83,7 @@ _GLOBAL(copypage_power7) li r12,112 .align 5 -1: lvx v7,r0,r4 +1: lvx v7,0,r4 lvx v6,r4,r6 lvx v5,r4,r7 lvx v4,r4,r8 @@ -92,7 +92,7 @@ _GLOBAL(copypage_power7) lvx v1,r4,r11 lvx v0,r4,r12 addi r4,r4,128 - stvx v7,r0,r3 + stvx v7,0,r3 stvx v6,r3,r6 stvx v5,r3,r7 stvx v4,r3,r8 diff --git a/arch/powerpc/lib/copyuser_power7.S b/arch/powerpc/lib/copyuser_power7.S index 706b7cc19846..d416a4a66578 100644 --- a/arch/powerpc/lib/copyuser_power7.S +++ b/arch/powerpc/lib/copyuser_power7.S @@ -315,13 +315,13 @@ err1; stb r0,0(r3) .machine push .machine "power4" /* setup read stream 0 */ - dcbt r0,r6,0b01000 /* addr from */ - dcbt r0,r7,0b01010 /* length and depth from */ + dcbt 0,r6,0b01000 /* addr from */ + dcbt 0,r7,0b01010 /* length and depth from */ /* setup write stream 1 */ - dcbtst r0,r9,0b01000 /* addr to */ - dcbtst r0,r10,0b01010 /* length and depth to */ + dcbtst 0,r9,0b01000 /* addr to */ + dcbtst 0,r10,0b01010 /* length and depth to */ eieio - dcbt r0,r8,0b01010 /* all streams GO */ + dcbt 0,r8,0b01010 /* all streams GO */ .machine pop beq cr1,.Lunwind_stack_nonvmx_copy @@ -376,26 +376,26 @@ err3; std r0,0(r3) li r11,48 bf cr7*4+3,5f -err3; lvx v1,r0,r4 +err3; lvx v1,0,r4 addi r4,r4,16 -err3; stvx v1,r0,r3 +err3; stvx v1,0,r3 addi r3,r3,16 5: bf cr7*4+2,6f -err3; lvx v1,r0,r4 +err3; lvx v1,0,r4 err3; lvx v0,r4,r9 addi r4,r4,32 -err3; stvx v1,r0,r3 +err3; stvx v1,0,r3 err3; stvx v0,r3,r9 addi r3,r3,32 6: bf cr7*4+1,7f -err3; lvx v3,r0,r4 +err3; lvx v3,0,r4 err3; lvx v2,r4,r9 err3; lvx v1,r4,r10 err3; lvx v0,r4,r11 addi r4,r4,64 -err3; stvx v3,r0,r3 +err3; stvx v3,0,r3 err3; stvx v2,r3,r9 err3; stvx v1,r3,r10 err3; stvx v0,r3,r11 @@ -421,7 +421,7 @@ err3; stvx v0,r3,r11 */ .align 5 8: -err4; lvx v7,r0,r4 +err4; lvx v7,0,r4 err4; lvx v6,r4,r9 err4; lvx v5,r4,r10 err4; lvx v4,r4,r11 @@ -430,7 +430,7 @@ err4; lvx v2,r4,r14 err4; lvx v1,r4,r15 err4; lvx v0,r4,r16 addi r4,r4,128 -err4; stvx v7,r0,r3 +err4; stvx v7,0,r3 err4; stvx v6,r3,r9 err4; stvx v5,r3,r10 err4; stvx v4,r3,r11 @@ -451,29 +451,29 @@ err4; stvx v0,r3,r16 mtocrf 0x01,r6 bf cr7*4+1,9f -err3; lvx v3,r0,r4 +err3; lvx v3,0,r4 err3; lvx v2,r4,r9 err3; lvx v1,r4,r10 err3; lvx v0,r4,r11 addi r4,r4,64 -err3; stvx v3,r0,r3 +err3; stvx v3,0,r3 err3; stvx v2,r3,r9 err3; stvx v1,r3,r10 err3; stvx v0,r3,r11 addi r3,r3,64 9: bf cr7*4+2,10f -err3; lvx v1,r0,r4 +err3; lvx v1,0,r4 err3; lvx v0,r4,r9 addi r4,r4,32 -err3; stvx v1,r0,r3 +err3; stvx v1,0,r3 err3; stvx v0,r3,r9 addi r3,r3,32 10: bf cr7*4+3,11f -err3; lvx v1,r0,r4 +err3; lvx v1,0,r4 addi r4,r4,16 -err3; stvx v1,r0,r3 +err3; stvx v1,0,r3 addi r3,r3,16 /* Up to 15B to go */ @@ -553,25 +553,25 @@ err3; lvx v0,0,r4 addi r4,r4,16 bf cr7*4+3,5f -err3; lvx v1,r0,r4 +err3; lvx v1,0,r4 VPERM(v8,v0,v1,v16) addi r4,r4,16 -err3; stvx v8,r0,r3 +err3; stvx v8,0,r3 addi r3,r3,16 vor v0,v1,v1 5: bf cr7*4+2,6f -err3; lvx v1,r0,r4 +err3; lvx v1,0,r4 VPERM(v8,v0,v1,v16) err3; lvx v0,r4,r9 VPERM(v9,v1,v0,v16) addi r4,r4,32 -err3; stvx v8,r0,r3 +err3; stvx v8,0,r3 err3; stvx v9,r3,r9 addi r3,r3,32 6: bf cr7*4+1,7f -err3; lvx v3,r0,r4 +err3; lvx v3,0,r4 VPERM(v8,v0,v3,v16) err3; lvx v2,r4,r9 VPERM(v9,v3,v2,v16) @@ -580,7 +580,7 @@ err3; lvx v1,r4,r10 err3; lvx v0,r4,r11 VPERM(v11,v1,v0,v16) addi r4,r4,64 -err3; stvx v8,r0,r3 +err3; stvx v8,0,r3 err3; stvx v9,r3,r9 err3; stvx v10,r3,r10 err3; stvx v11,r3,r11 @@ -606,7 +606,7 @@ err3; stvx v11,r3,r11 */ .align 5 8: -err4; lvx v7,r0,r4 +err4; lvx v7,0,r4 VPERM(v8,v0,v7,v16) err4; lvx v6,r4,r9 VPERM(v9,v7,v6,v16) @@ -623,7 +623,7 @@ err4; lvx v1,r4,r15 err4; lvx v0,r4,r16 VPERM(v15,v1,v0,v16) addi r4,r4,128 -err4; stvx v8,r0,r3 +err4; stvx v8,0,r3 err4; stvx v9,r3,r9 err4; stvx v10,r3,r10 err4; stvx v11,r3,r11 @@ -644,7 +644,7 @@ err4; stvx v15,r3,r16 mtocrf 0x01,r6 bf cr7*4+1,9f -err3; lvx v3,r0,r4 +err3; lvx v3,0,r4 VPERM(v8,v0,v3,v16) err3; lvx v2,r4,r9 VPERM(v9,v3,v2,v16) @@ -653,27 +653,27 @@ err3; lvx v1,r4,r10 err3; lvx v0,r4,r11 VPERM(v11,v1,v0,v16) addi r4,r4,64 -err3; stvx v8,r0,r3 +err3; stvx v8,0,r3 err3; stvx v9,r3,r9 err3; stvx v10,r3,r10 err3; stvx v11,r3,r11 addi r3,r3,64 9: bf cr7*4+2,10f -err3; lvx v1,r0,r4 +err3; lvx v1,0,r4 VPERM(v8,v0,v1,v16) err3; lvx v0,r4,r9 VPERM(v9,v1,v0,v16) addi r4,r4,32 -err3; stvx v8,r0,r3 +err3; stvx v8,0,r3 err3; stvx v9,r3,r9 addi r3,r3,32 10: bf cr7*4+3,11f -err3; lvx v1,r0,r4 +err3; lvx v1,0,r4 VPERM(v8,v0,v1,v16) addi r4,r4,16 -err3; stvx v8,r0,r3 +err3; stvx v8,0,r3 addi r3,r3,16 /* Up to 15B to go */ diff --git a/arch/powerpc/lib/mem_64.S b/arch/powerpc/lib/mem_64.S index 85fa9869aec5..ec531de99996 100644 --- a/arch/powerpc/lib/mem_64.S +++ b/arch/powerpc/lib/mem_64.S @@ -13,6 +13,23 @@ #include <asm/ppc_asm.h> #include <asm/export.h> +_GLOBAL(__memset16) + rlwimi r4,r4,16,0,15 + /* fall through */ + +_GLOBAL(__memset32) + rldimi r4,r4,32,0 + /* fall through */ + +_GLOBAL(__memset64) + neg r0,r3 + andi. r0,r0,7 + cmplw cr1,r5,r0 + b .Lms +EXPORT_SYMBOL(__memset16) +EXPORT_SYMBOL(__memset32) +EXPORT_SYMBOL(__memset64) + _GLOBAL(memset) neg r0,r3 rlwimi r4,r4,8,16,23 @@ -20,7 +37,7 @@ _GLOBAL(memset) rlwimi r4,r4,16,0,15 cmplw cr1,r5,r0 /* do we get that far? */ rldimi r4,r4,32,0 - PPC_MTOCRF(1,r0) +.Lms: PPC_MTOCRF(1,r0) mr r6,r3 blt cr1,8f beq+ 3f /* if already 8-byte aligned */ diff --git a/arch/powerpc/lib/memcpy_power7.S b/arch/powerpc/lib/memcpy_power7.S index 786234fd4e91..193909abd18b 100644 --- a/arch/powerpc/lib/memcpy_power7.S +++ b/arch/powerpc/lib/memcpy_power7.S @@ -261,12 +261,12 @@ _GLOBAL(memcpy_power7) .machine push .machine "power4" - dcbt r0,r6,0b01000 - dcbt r0,r7,0b01010 - dcbtst r0,r9,0b01000 - dcbtst r0,r10,0b01010 + dcbt 0,r6,0b01000 + dcbt 0,r7,0b01010 + dcbtst 0,r9,0b01000 + dcbtst 0,r10,0b01010 eieio - dcbt r0,r8,0b01010 /* GO */ + dcbt 0,r8,0b01010 /* GO */ .machine pop beq cr1,.Lunwind_stack_nonvmx_copy @@ -321,26 +321,26 @@ _GLOBAL(memcpy_power7) li r11,48 bf cr7*4+3,5f - lvx v1,r0,r4 + lvx v1,0,r4 addi r4,r4,16 - stvx v1,r0,r3 + stvx v1,0,r3 addi r3,r3,16 5: bf cr7*4+2,6f - lvx v1,r0,r4 + lvx v1,0,r4 lvx v0,r4,r9 addi r4,r4,32 - stvx v1,r0,r3 + stvx v1,0,r3 stvx v0,r3,r9 addi r3,r3,32 6: bf cr7*4+1,7f - lvx v3,r0,r4 + lvx v3,0,r4 lvx v2,r4,r9 lvx v1,r4,r10 lvx v0,r4,r11 addi r4,r4,64 - stvx v3,r0,r3 + stvx v3,0,r3 stvx v2,r3,r9 stvx v1,r3,r10 stvx v0,r3,r11 @@ -366,7 +366,7 @@ _GLOBAL(memcpy_power7) */ .align 5 8: - lvx v7,r0,r4 + lvx v7,0,r4 lvx v6,r4,r9 lvx v5,r4,r10 lvx v4,r4,r11 @@ -375,7 +375,7 @@ _GLOBAL(memcpy_power7) lvx v1,r4,r15 lvx v0,r4,r16 addi r4,r4,128 - stvx v7,r0,r3 + stvx v7,0,r3 stvx v6,r3,r9 stvx v5,r3,r10 stvx v4,r3,r11 @@ -396,29 +396,29 @@ _GLOBAL(memcpy_power7) mtocrf 0x01,r6 bf cr7*4+1,9f - lvx v3,r0,r4 + lvx v3,0,r4 lvx v2,r4,r9 lvx v1,r4,r10 lvx v0,r4,r11 addi r4,r4,64 - stvx v3,r0,r3 + stvx v3,0,r3 stvx v2,r3,r9 stvx v1,r3,r10 stvx v0,r3,r11 addi r3,r3,64 9: bf cr7*4+2,10f - lvx v1,r0,r4 + lvx v1,0,r4 lvx v0,r4,r9 addi r4,r4,32 - stvx v1,r0,r3 + stvx v1,0,r3 stvx v0,r3,r9 addi r3,r3,32 10: bf cr7*4+3,11f - lvx v1,r0,r4 + lvx v1,0,r4 addi r4,r4,16 - stvx v1,r0,r3 + stvx v1,0,r3 addi r3,r3,16 /* Up to 15B to go */ @@ -499,25 +499,25 @@ _GLOBAL(memcpy_power7) addi r4,r4,16 bf cr7*4+3,5f - lvx v1,r0,r4 + lvx v1,0,r4 VPERM(v8,v0,v1,v16) addi r4,r4,16 - stvx v8,r0,r3 + stvx v8,0,r3 addi r3,r3,16 vor v0,v1,v1 5: bf cr7*4+2,6f - lvx v1,r0,r4 + lvx v1,0,r4 VPERM(v8,v0,v1,v16) lvx v0,r4,r9 VPERM(v9,v1,v0,v16) addi r4,r4,32 - stvx v8,r0,r3 + stvx v8,0,r3 stvx v9,r3,r9 addi r3,r3,32 6: bf cr7*4+1,7f - lvx v3,r0,r4 + lvx v3,0,r4 VPERM(v8,v0,v3,v16) lvx v2,r4,r9 VPERM(v9,v3,v2,v16) @@ -526,7 +526,7 @@ _GLOBAL(memcpy_power7) lvx v0,r4,r11 VPERM(v11,v1,v0,v16) addi r4,r4,64 - stvx v8,r0,r3 + stvx v8,0,r3 stvx v9,r3,r9 stvx v10,r3,r10 stvx v11,r3,r11 @@ -552,7 +552,7 @@ _GLOBAL(memcpy_power7) */ .align 5 8: - lvx v7,r0,r4 + lvx v7,0,r4 VPERM(v8,v0,v7,v16) lvx v6,r4,r9 VPERM(v9,v7,v6,v16) @@ -569,7 +569,7 @@ _GLOBAL(memcpy_power7) lvx v0,r4,r16 VPERM(v15,v1,v0,v16) addi r4,r4,128 - stvx v8,r0,r3 + stvx v8,0,r3 stvx v9,r3,r9 stvx v10,r3,r10 stvx v11,r3,r11 @@ -590,7 +590,7 @@ _GLOBAL(memcpy_power7) mtocrf 0x01,r6 bf cr7*4+1,9f - lvx v3,r0,r4 + lvx v3,0,r4 VPERM(v8,v0,v3,v16) lvx v2,r4,r9 VPERM(v9,v3,v2,v16) @@ -599,27 +599,27 @@ _GLOBAL(memcpy_power7) lvx v0,r4,r11 VPERM(v11,v1,v0,v16) addi r4,r4,64 - stvx v8,r0,r3 + stvx v8,0,r3 stvx v9,r3,r9 stvx v10,r3,r10 stvx v11,r3,r11 addi r3,r3,64 9: bf cr7*4+2,10f - lvx v1,r0,r4 + lvx v1,0,r4 VPERM(v8,v0,v1,v16) lvx v0,r4,r9 VPERM(v9,v1,v0,v16) addi r4,r4,32 - stvx v8,r0,r3 + stvx v8,0,r3 stvx v9,r3,r9 addi r3,r3,32 10: bf cr7*4+3,11f - lvx v1,r0,r4 + lvx v1,0,r4 VPERM(v8,v0,v1,v16) addi r4,r4,16 - stvx v8,r0,r3 + stvx v8,0,r3 addi r3,r3,16 /* Up to 15B to go */ diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index ee33327686ae..a85b82c0e3f3 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -596,6 +596,86 @@ static nokprobe_inline void do_cmp_unsigned(struct pt_regs *regs, unsigned long regs->ccr = (regs->ccr & ~(0xf << shift)) | (crval << shift); } +static nokprobe_inline void do_cmpb(struct pt_regs *regs, unsigned long v1, + unsigned long v2, int rd) +{ + unsigned long long out_val, mask; + int i; + + out_val = 0; + for (i = 0; i < 8; i++) { + mask = 0xffUL << (i * 8); + if ((v1 & mask) == (v2 & mask)) + out_val |= mask; + } + + regs->gpr[rd] = out_val; +} + +/* + * The size parameter is used to adjust the equivalent popcnt instruction. + * popcntb = 8, popcntw = 32, popcntd = 64 + */ +static nokprobe_inline void do_popcnt(struct pt_regs *regs, unsigned long v1, + int size, int ra) +{ + unsigned long long out = v1; + + out -= (out >> 1) & 0x5555555555555555; + out = (0x3333333333333333 & out) + (0x3333333333333333 & (out >> 2)); + out = (out + (out >> 4)) & 0x0f0f0f0f0f0f0f0f; + + if (size == 8) { /* popcntb */ + regs->gpr[ra] = out; + return; + } + out += out >> 8; + out += out >> 16; + if (size == 32) { /* popcntw */ + regs->gpr[ra] = out & 0x0000003f0000003f; + return; + } + + out = (out + (out >> 32)) & 0x7f; + regs->gpr[ra] = out; /* popcntd */ +} + +#ifdef CONFIG_PPC64 +static nokprobe_inline void do_bpermd(struct pt_regs *regs, unsigned long v1, + unsigned long v2, int ra) +{ + unsigned char perm, idx; + unsigned int i; + + perm = 0; + for (i = 0; i < 8; i++) { + idx = (v1 >> (i * 8)) & 0xff; + if (idx < 64) + if (v2 & PPC_BIT(idx)) + perm |= 1 << i; + } + regs->gpr[ra] = perm; +} +#endif /* CONFIG_PPC64 */ +/* + * The size parameter adjusts the equivalent prty instruction. + * prtyw = 32, prtyd = 64 + */ +static nokprobe_inline void do_prty(struct pt_regs *regs, unsigned long v, + int size, int ra) +{ + unsigned long long res = v ^ (v >> 8); + + res ^= res >> 16; + if (size == 32) { /* prtyw */ + regs->gpr[ra] = res & 0x0000000100000001; + return; + } + + res ^= res >> 32; + regs->gpr[ra] = res & 1; /*prtyd */ +} + static nokprobe_inline int trap_compare(long v1, long v2) { int ret = 0; @@ -1064,6 +1144,10 @@ int analyse_instr(struct instruction_op *op, struct pt_regs *regs, do_cmp_unsigned(regs, val, val2, rd >> 2); goto instr_done; + case 508: /* cmpb */ + do_cmpb(regs, regs->gpr[rd], regs->gpr[rb], ra); + goto instr_done; + /* * Arithmetic instructions */ @@ -1171,6 +1255,14 @@ int analyse_instr(struct instruction_op *op, struct pt_regs *regs, /* * Logical instructions */ + case 15: /* isel */ + mb = (instr >> 6) & 0x1f; /* bc */ + val = (regs->ccr >> (31 - mb)) & 1; + val2 = (ra) ? regs->gpr[ra] : 0; + + regs->gpr[rd] = (val) ? val2 : regs->gpr[rb]; + goto logical_done; + case 26: /* cntlzw */ asm("cntlzw %0,%1" : "=r" (regs->gpr[ra]) : "r" (regs->gpr[rd])); @@ -1189,10 +1281,26 @@ int analyse_instr(struct instruction_op *op, struct pt_regs *regs, regs->gpr[ra] = regs->gpr[rd] & ~regs->gpr[rb]; goto logical_done; + case 122: /* popcntb */ + do_popcnt(regs, regs->gpr[rd], 8, ra); + goto logical_done; + case 124: /* nor */ regs->gpr[ra] = ~(regs->gpr[rd] | regs->gpr[rb]); goto logical_done; + case 154: /* prtyw */ + do_prty(regs, regs->gpr[rd], 32, ra); + goto logical_done; + + case 186: /* prtyd */ + do_prty(regs, regs->gpr[rd], 64, ra); + goto logical_done; +#ifdef CONFIG_PPC64 + case 252: /* bpermd */ + do_bpermd(regs, regs->gpr[rd], regs->gpr[rb], ra); + goto logical_done; +#endif case 284: /* xor */ regs->gpr[ra] = ~(regs->gpr[rd] ^ regs->gpr[rb]); goto logical_done; @@ -1201,6 +1309,10 @@ int analyse_instr(struct instruction_op *op, struct pt_regs *regs, regs->gpr[ra] = regs->gpr[rd] ^ regs->gpr[rb]; goto logical_done; + case 378: /* popcntw */ + do_popcnt(regs, regs->gpr[rd], 32, ra); + goto logical_done; + case 412: /* orc */ regs->gpr[ra] = regs->gpr[rd] | ~regs->gpr[rb]; goto logical_done; @@ -1212,7 +1324,11 @@ int analyse_instr(struct instruction_op *op, struct pt_regs *regs, case 476: /* nand */ regs->gpr[ra] = ~(regs->gpr[rd] & regs->gpr[rb]); goto logical_done; - +#ifdef CONFIG_PPC64 + case 506: /* popcntd */ + do_popcnt(regs, regs->gpr[rd], 64, ra); + goto logical_done; +#endif case 922: /* extsh */ regs->gpr[ra] = (signed short) regs->gpr[rd]; goto logical_done; diff --git a/arch/powerpc/lib/string_64.S b/arch/powerpc/lib/string_64.S index d5b4d9498c54..56aac4c22025 100644 --- a/arch/powerpc/lib/string_64.S +++ b/arch/powerpc/lib/string_64.S @@ -184,7 +184,7 @@ err1; std r0,8(r3) mtctr r6 mr r8,r3 14: -err1; dcbz r0,r3 +err1; dcbz 0,r3 add r3,r3,r9 bdnz 14b diff --git a/arch/powerpc/mm/8xx_mmu.c b/arch/powerpc/mm/8xx_mmu.c index f4c6472f2fc4..f29212e40f40 100644 --- a/arch/powerpc/mm/8xx_mmu.c +++ b/arch/powerpc/mm/8xx_mmu.c @@ -22,8 +22,11 @@ extern int __map_without_ltlbs; +static unsigned long block_mapped_ram; + /* - * Return PA for this VA if it is in IMMR area, or 0 + * Return PA for this VA if it is in an area mapped with LTLBs. + * Otherwise, returns 0 */ phys_addr_t v_block_mapped(unsigned long va) { @@ -33,11 +36,13 @@ phys_addr_t v_block_mapped(unsigned long va) return 0; if (va >= VIRT_IMMR_BASE && va < VIRT_IMMR_BASE + IMMR_SIZE) return p + va - VIRT_IMMR_BASE; + if (va >= PAGE_OFFSET && va < PAGE_OFFSET + block_mapped_ram) + return __pa(va); return 0; } /* - * Return VA for a given PA or 0 if not mapped + * Return VA for a given PA mapped with LTLBs or 0 if not mapped */ unsigned long p_block_mapped(phys_addr_t pa) { @@ -47,6 +52,8 @@ unsigned long p_block_mapped(phys_addr_t pa) return 0; if (pa >= p && pa < p + IMMR_SIZE) return VIRT_IMMR_BASE + pa - p; + if (pa < block_mapped_ram) + return (unsigned long)__va(pa); return 0; } @@ -58,7 +65,7 @@ unsigned long p_block_mapped(phys_addr_t pa) void __init MMU_init_hw(void) { /* PIN up to the 3 first 8Mb after IMMR in DTLB table */ -#ifdef CONFIG_PIN_TLB +#ifdef CONFIG_PIN_TLB_DATA unsigned long ctr = mfspr(SPRN_MD_CTR) & 0xfe000000; unsigned long flags = 0xf0 | MD_SPS16K | _PAGE_SHARED | _PAGE_DIRTY; #ifdef CONFIG_PIN_TLB_IMMR @@ -80,7 +87,7 @@ void __init MMU_init_hw(void) #endif } -static void mmu_mapin_immr(void) +static void __init mmu_mapin_immr(void) { unsigned long p = PHYS_IMMR_BASE; unsigned long v = VIRT_IMMR_BASE; @@ -96,8 +103,11 @@ static void mmu_mapin_immr(void) extern unsigned int DTLBMiss_jmp; #endif extern unsigned int DTLBMiss_cmp, FixupDAR_cmp; +#ifndef CONFIG_PIN_TLB_TEXT +extern unsigned int ITLBMiss_cmp; +#endif -void mmu_patch_cmp_limit(unsigned int *addr, unsigned long mapped) +static void __init mmu_patch_cmp_limit(unsigned int *addr, unsigned long mapped) { unsigned int instr = *addr; @@ -116,6 +126,9 @@ unsigned long __init mmu_mapin_ram(unsigned long top) #ifndef CONFIG_PIN_TLB_IMMR patch_instruction(&DTLBMiss_jmp, PPC_INST_NOP); #endif +#ifndef CONFIG_PIN_TLB_TEXT + mmu_patch_cmp_limit(&ITLBMiss_cmp, 0); +#endif } else { mapped = top & ~(LARGE_PAGE_SIZE_8M - 1); } @@ -133,11 +146,13 @@ unsigned long __init mmu_mapin_ram(unsigned long top) if (mapped) memblock_set_current_limit(mapped); + block_mapped_ram = mapped; + return mapped; } -void setup_initial_memory_limit(phys_addr_t first_memblock_base, - phys_addr_t first_memblock_size) +void __init setup_initial_memory_limit(phys_addr_t first_memblock_base, + phys_addr_t first_memblock_size) { /* We don't currently support the first MEMBLOCK not mapping 0 * physical on those processors diff --git a/arch/powerpc/mm/Makefile b/arch/powerpc/mm/Makefile index 7414034df1c3..fa6a6ba34355 100644 --- a/arch/powerpc/mm/Makefile +++ b/arch/powerpc/mm/Makefile @@ -22,8 +22,6 @@ ifeq ($(CONFIG_PPC_STD_MMU_64),y) obj-$(CONFIG_PPC_4K_PAGES) += hash64_4k.o obj-$(CONFIG_PPC_64K_PAGES) += hash64_64k.o endif -obj-$(CONFIG_PPC_ICSWX) += icswx.o -obj-$(CONFIG_PPC_ICSWX_PID) += icswx_pid.o obj-$(CONFIG_40x) += 40x_mmu.o obj-$(CONFIG_44x) += 44x_mmu.o obj-$(CONFIG_PPC_8xx) += 8xx_mmu.o diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 4c422632047b..4797d08581ce 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -45,43 +45,39 @@ #include <asm/siginfo.h> #include <asm/debug.h> -#include "icswx.h" - -#ifdef CONFIG_KPROBES -static inline int notify_page_fault(struct pt_regs *regs) +static inline bool notify_page_fault(struct pt_regs *regs) { - int ret = 0; + bool ret = false; +#ifdef CONFIG_KPROBES /* kprobe_running() needs smp_processor_id() */ if (!user_mode(regs)) { preempt_disable(); if (kprobe_running() && kprobe_fault_handler(regs, 11)) - ret = 1; + ret = true; preempt_enable(); } +#endif /* CONFIG_KPROBES */ + + if (unlikely(debugger_fault_handler(regs))) + ret = true; return ret; } -#else -static inline int notify_page_fault(struct pt_regs *regs) -{ - return 0; -} -#endif /* * Check whether the instruction at regs->nip is a store using * an update addressing form which will update r1. */ -static int store_updates_sp(struct pt_regs *regs) +static bool store_updates_sp(struct pt_regs *regs) { unsigned int inst; if (get_user(inst, (unsigned int __user *)regs->nip)) - return 0; + return false; /* check for 1 in the rA field */ if (((inst >> 16) & 0x1f) != 1) - return 0; + return false; /* check major opcode */ switch (inst >> 26) { case 37: /* stwu */ @@ -89,7 +85,7 @@ static int store_updates_sp(struct pt_regs *regs) case 45: /* sthu */ case 53: /* stfsu */ case 55: /* stfdu */ - return 1; + return true; case 62: /* std or stdu */ return (inst & 3) == 1; case 31: @@ -101,18 +97,53 @@ static int store_updates_sp(struct pt_regs *regs) case 439: /* sthux */ case 695: /* stfsux */ case 759: /* stfdux */ - return 1; + return true; } } - return 0; + return false; } /* * do_page_fault error handling helpers */ -#define MM_FAULT_RETURN 0 -#define MM_FAULT_CONTINUE -1 -#define MM_FAULT_ERR(sig) (sig) +static int +__bad_area_nosemaphore(struct pt_regs *regs, unsigned long address, int si_code) +{ + /* + * If we are in kernel mode, bail out with a SEGV, this will + * be caught by the assembly which will restore the non-volatile + * registers before calling bad_page_fault() + */ + if (!user_mode(regs)) + return SIGSEGV; + + _exception(SIGSEGV, regs, si_code, address); + + return 0; +} + +static noinline int bad_area_nosemaphore(struct pt_regs *regs, unsigned long address) +{ + return __bad_area_nosemaphore(regs, address, SEGV_MAPERR); +} + +static int __bad_area(struct pt_regs *regs, unsigned long address, int si_code) +{ + struct mm_struct *mm = current->mm; + + /* + * Something tried to access memory that isn't in our memory map.. + * Fix it, but check if it's kernel or user first.. + */ + up_read(&mm->mmap_sem); + + return __bad_area_nosemaphore(regs, address, si_code); +} + +static noinline int bad_area(struct pt_regs *regs, unsigned long address) +{ + return __bad_area(regs, address, SEGV_MAPERR); +} static int do_sigbus(struct pt_regs *regs, unsigned long address, unsigned int fault) @@ -121,7 +152,7 @@ static int do_sigbus(struct pt_regs *regs, unsigned long address, unsigned int lsb = 0; if (!user_mode(regs)) - return MM_FAULT_ERR(SIGBUS); + return SIGBUS; current->thread.trap_nr = BUS_ADRERR; info.si_signo = SIGBUS; @@ -142,25 +173,17 @@ static int do_sigbus(struct pt_regs *regs, unsigned long address, #endif info.si_addr_lsb = lsb; force_sig_info(SIGBUS, &info, current); - return MM_FAULT_RETURN; + return 0; } static int mm_fault_error(struct pt_regs *regs, unsigned long addr, int fault) { /* - * Pagefault was interrupted by SIGKILL. We have no reason to - * continue the pagefault. + * Kernel page fault interrupted by SIGKILL. We have no reason to + * continue processing. */ - if (fatal_signal_pending(current)) { - /* Coming from kernel, we need to deal with uaccess fixups */ - if (user_mode(regs)) - return MM_FAULT_RETURN; - return MM_FAULT_ERR(SIGKILL); - } - - /* No fault: be happy */ - if (!(fault & VM_FAULT_ERROR)) - return MM_FAULT_CONTINUE; + if (fatal_signal_pending(current) && !user_mode(regs)) + return SIGKILL; /* Out of memory */ if (fault & VM_FAULT_OOM) { @@ -169,19 +192,176 @@ static int mm_fault_error(struct pt_regs *regs, unsigned long addr, int fault) * made us unable to handle the page fault gracefully. */ if (!user_mode(regs)) - return MM_FAULT_ERR(SIGKILL); + return SIGSEGV; pagefault_out_of_memory(); - return MM_FAULT_RETURN; + } else { + if (fault & (VM_FAULT_SIGBUS|VM_FAULT_HWPOISON| + VM_FAULT_HWPOISON_LARGE)) + return do_sigbus(regs, addr, fault); + else if (fault & VM_FAULT_SIGSEGV) + return bad_area_nosemaphore(regs, addr); + else + BUG(); + } + return 0; +} + +/* Is this a bad kernel fault ? */ +static bool bad_kernel_fault(bool is_exec, unsigned long error_code, + unsigned long address) +{ + if (is_exec && (error_code & (DSISR_NOEXEC_OR_G | DSISR_KEYFAULT))) { + printk_ratelimited(KERN_CRIT "kernel tried to execute" + " exec-protected page (%lx) -" + "exploit attempt? (uid: %d)\n", + address, from_kuid(&init_user_ns, + current_uid())); } + return is_exec || (address >= TASK_SIZE); +} - if (fault & (VM_FAULT_SIGBUS|VM_FAULT_HWPOISON|VM_FAULT_HWPOISON_LARGE)) - return do_sigbus(regs, addr, fault); +static bool bad_stack_expansion(struct pt_regs *regs, unsigned long address, + struct vm_area_struct *vma, + bool store_update_sp) +{ + /* + * N.B. The POWER/Open ABI allows programs to access up to + * 288 bytes below the stack pointer. + * The kernel signal delivery code writes up to about 1.5kB + * below the stack pointer (r1) before decrementing it. + * The exec code can write slightly over 640kB to the stack + * before setting the user r1. Thus we allow the stack to + * expand to 1MB without further checks. + */ + if (address + 0x100000 < vma->vm_end) { + /* get user regs even if this fault is in kernel mode */ + struct pt_regs *uregs = current->thread.regs; + if (uregs == NULL) + return true; - /* We don't understand the fault code, this is fatal */ - BUG(); - return MM_FAULT_CONTINUE; + /* + * A user-mode access to an address a long way below + * the stack pointer is only valid if the instruction + * is one which would update the stack pointer to the + * address accessed if the instruction completed, + * i.e. either stwu rs,n(r1) or stwux rs,r1,rb + * (or the byte, halfword, float or double forms). + * + * If we don't check this then any write to the area + * between the last mapped region and the stack will + * expand the stack rather than segfaulting. + */ + if (address + 2048 < uregs->gpr[1] && !store_update_sp) + return true; + } + return false; +} + +static bool access_error(bool is_write, bool is_exec, + struct vm_area_struct *vma) +{ + /* + * Allow execution from readable areas if the MMU does not + * provide separate controls over reading and executing. + * + * Note: That code used to not be enabled for 4xx/BookE. + * It is now as I/D cache coherency for these is done at + * set_pte_at() time and I see no reason why the test + * below wouldn't be valid on those processors. This -may- + * break programs compiled with a really old ABI though. + */ + if (is_exec) { + return !(vma->vm_flags & VM_EXEC) && + (cpu_has_feature(CPU_FTR_NOEXECUTE) || + !(vma->vm_flags & (VM_READ | VM_WRITE))); + } + + if (is_write) { + if (unlikely(!(vma->vm_flags & VM_WRITE))) + return true; + return false; + } + + if (unlikely(!(vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE)))) + return true; + + return false; } +#ifdef CONFIG_PPC_SMLPAR +static inline void cmo_account_page_fault(void) +{ + if (firmware_has_feature(FW_FEATURE_CMO)) { + u32 page_ins; + + preempt_disable(); + page_ins = be32_to_cpu(get_lppaca()->page_ins); + page_ins += 1 << PAGE_FACTOR; + get_lppaca()->page_ins = cpu_to_be32(page_ins); + preempt_enable(); + } +} +#else +static inline void cmo_account_page_fault(void) { } +#endif /* CONFIG_PPC_SMLPAR */ + +#ifdef CONFIG_PPC_STD_MMU +static void sanity_check_fault(bool is_write, unsigned long error_code) +{ + /* + * For hash translation mode, we should never get a + * PROTFAULT. Any update to pte to reduce access will result in us + * removing the hash page table entry, thus resulting in a DSISR_NOHPTE + * fault instead of DSISR_PROTFAULT. + * + * A pte update to relax the access will not result in a hash page table + * entry invalidate and hence can result in DSISR_PROTFAULT. + * ptep_set_access_flags() doesn't do a hpte flush. This is why we have + * the special !is_write in the below conditional. + * + * For platforms that doesn't supports coherent icache and do support + * per page noexec bit, we do setup things such that we do the + * sync between D/I cache via fault. But that is handled via low level + * hash fault code (hash_page_do_lazy_icache()) and we should not reach + * here in such case. + * + * For wrong access that can result in PROTFAULT, the above vma->vm_flags + * check should handle those and hence we should fall to the bad_area + * handling correctly. + * + * For embedded with per page exec support that doesn't support coherent + * icache we do get PROTFAULT and we handle that D/I cache sync in + * set_pte_at while taking the noexec/prot fault. Hence this is WARN_ON + * is conditional for server MMU. + * + * For radix, we can get prot fault for autonuma case, because radix + * page table will have them marked noaccess for user. + */ + if (!radix_enabled() && !is_write) + WARN_ON_ONCE(error_code & DSISR_PROTFAULT); +} +#else +static void sanity_check_fault(bool is_write, unsigned long error_code) { } +#endif /* CONFIG_PPC_STD_MMU */ + +/* + * Define the correct "is_write" bit in error_code based + * on the processor family + */ +#if (defined(CONFIG_4xx) || defined(CONFIG_BOOKE)) +#define page_fault_is_write(__err) ((__err) & ESR_DST) +#define page_fault_is_bad(__err) (0) +#else +#define page_fault_is_write(__err) ((__err) & DSISR_ISSTORE) +#if defined(CONFIG_PPC_8xx) +#define page_fault_is_bad(__err) ((__err) & DSISR_NOEXEC_OR_G) +#elif defined(CONFIG_PPC64) +#define page_fault_is_bad(__err) ((__err) & DSISR_BAD_FAULT_64S) +#else +#define page_fault_is_bad(__err) ((__err) & DSISR_BAD_FAULT_32S) +#endif +#endif + /* * For 600- and 800-family processors, the error_code parameter is DSISR * for a data fault, SRR1 for an instruction fault. For 400-family processors @@ -195,92 +375,56 @@ static int mm_fault_error(struct pt_regs *regs, unsigned long addr, int fault) * The return value is 0 if the fault was handled, or the signal * number if this is a kernel fault that can't be handled here. */ -int do_page_fault(struct pt_regs *regs, unsigned long address, - unsigned long error_code) +static int __do_page_fault(struct pt_regs *regs, unsigned long address, + unsigned long error_code) { - enum ctx_state prev_state = exception_enter(); struct vm_area_struct * vma; struct mm_struct *mm = current->mm; unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; - int code = SEGV_MAPERR; - int is_write = 0; - int trap = TRAP(regs); - int is_exec = trap == 0x400; + int is_exec = TRAP(regs) == 0x400; int is_user = user_mode(regs); - int fault; - int rc = 0, store_update_sp = 0; + int is_write = page_fault_is_write(error_code); + int fault, major = 0; + bool store_update_sp = false; -#if !(defined(CONFIG_4xx) || defined(CONFIG_BOOKE)) - /* - * Fortunately the bit assignments in SRR1 for an instruction - * fault and DSISR for a data fault are mostly the same for the - * bits we are interested in. But there are some bits which - * indicate errors in DSISR but can validly be set in SRR1. - */ - if (is_exec) - error_code &= 0x48200000; - else - is_write = error_code & DSISR_ISSTORE; -#else - is_write = error_code & ESR_DST; -#endif /* CONFIG_4xx || CONFIG_BOOKE */ + if (notify_page_fault(regs)) + return 0; -#ifdef CONFIG_PPC_ICSWX - /* - * we need to do this early because this "data storage - * interrupt" does not update the DAR/DEAR so we don't want to - * look at it - */ - if (error_code & ICSWX_DSI_UCT) { - rc = acop_handle_fault(regs, address, error_code); - if (rc) - goto bail; + if (unlikely(page_fault_is_bad(error_code))) { + if (is_user) { + _exception(SIGBUS, regs, BUS_OBJERR, address); + return 0; + } + return SIGBUS; } -#endif /* CONFIG_PPC_ICSWX */ - - if (notify_page_fault(regs)) - goto bail; - if (unlikely(debugger_fault_handler(regs))) - goto bail; + /* Additional sanity check(s) */ + sanity_check_fault(is_write, error_code); /* * The kernel should never take an execute fault nor should it * take a page fault to a kernel address. */ - if (!is_user && (is_exec || (address >= TASK_SIZE))) { - rc = SIGSEGV; - goto bail; - } + if (unlikely(!is_user && bad_kernel_fault(is_exec, error_code, address))) + return SIGSEGV; -#if !(defined(CONFIG_4xx) || defined(CONFIG_BOOKE) || \ - defined(CONFIG_PPC_BOOK3S_64) || defined(CONFIG_PPC_8xx)) - if (error_code & DSISR_DABRMATCH) { - /* breakpoint match */ - do_break(regs, address, error_code); - goto bail; + /* + * If we're in an interrupt, have no user context or are running + * in a region with pagefaults disabled then we must not take the fault + */ + if (unlikely(faulthandler_disabled() || !mm)) { + if (is_user) + printk_ratelimited(KERN_ERR "Page fault in user mode" + " with faulthandler_disabled()=%d" + " mm=%p\n", + faulthandler_disabled(), mm); + return bad_area_nosemaphore(regs, address); } -#endif /* We restore the interrupt state now */ if (!arch_irq_disabled_regs(regs)) local_irq_enable(); - if (faulthandler_disabled() || mm == NULL) { - if (!is_user) { - rc = SIGSEGV; - goto bail; - } - /* faulthandler_disabled() in user mode is really bad, - as is current->mm == NULL. */ - printk(KERN_EMERG "Page fault in user mode with " - "faulthandler_disabled() = %d mm = %p\n", - faulthandler_disabled(), mm); - printk(KERN_EMERG "NIP = %lx MSR = %lx\n", - regs->nip, regs->msr); - die("Weird page fault", regs, SIGSEGV); - } - perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address); /* @@ -293,6 +437,10 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, if (is_user) flags |= FAULT_FLAG_USER; + if (is_write) + flags |= FAULT_FLAG_WRITE; + if (is_exec) + flags |= FAULT_FLAG_INSTRUCTION; /* When running in the kernel we expect faults to occur only to * addresses in user space. All other faults represent errors in the @@ -309,9 +457,9 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, * source. If this is invalid we can skip the address space check, * thus avoiding the deadlock. */ - if (!down_read_trylock(&mm->mmap_sem)) { + if (unlikely(!down_read_trylock(&mm->mmap_sem))) { if (!is_user && !search_exception_tables(regs->nip)) - goto bad_area_nosemaphore; + return bad_area_nosemaphore(regs, address); retry: down_read(&mm->mmap_sem); @@ -325,122 +473,24 @@ retry: } vma = find_vma(mm, address); - if (!vma) - goto bad_area; - if (vma->vm_start <= address) + if (unlikely(!vma)) + return bad_area(regs, address); + if (likely(vma->vm_start <= address)) goto good_area; - if (!(vma->vm_flags & VM_GROWSDOWN)) - goto bad_area; + if (unlikely(!(vma->vm_flags & VM_GROWSDOWN))) + return bad_area(regs, address); - /* - * N.B. The POWER/Open ABI allows programs to access up to - * 288 bytes below the stack pointer. - * The kernel signal delivery code writes up to about 1.5kB - * below the stack pointer (r1) before decrementing it. - * The exec code can write slightly over 640kB to the stack - * before setting the user r1. Thus we allow the stack to - * expand to 1MB without further checks. - */ - if (address + 0x100000 < vma->vm_end) { - /* get user regs even if this fault is in kernel mode */ - struct pt_regs *uregs = current->thread.regs; - if (uregs == NULL) - goto bad_area; + /* The stack is being expanded, check if it's valid */ + if (unlikely(bad_stack_expansion(regs, address, vma, store_update_sp))) + return bad_area(regs, address); - /* - * A user-mode access to an address a long way below - * the stack pointer is only valid if the instruction - * is one which would update the stack pointer to the - * address accessed if the instruction completed, - * i.e. either stwu rs,n(r1) or stwux rs,r1,rb - * (or the byte, halfword, float or double forms). - * - * If we don't check this then any write to the area - * between the last mapped region and the stack will - * expand the stack rather than segfaulting. - */ - if (address + 2048 < uregs->gpr[1] && !store_update_sp) - goto bad_area; - } - if (expand_stack(vma, address)) - goto bad_area; + /* Try to expand it */ + if (unlikely(expand_stack(vma, address))) + return bad_area(regs, address); good_area: - code = SEGV_ACCERR; -#if defined(CONFIG_6xx) - if (error_code & 0x95700000) - /* an error such as lwarx to I/O controller space, - address matching DABR, eciwx, etc. */ - goto bad_area; -#endif /* CONFIG_6xx */ -#if defined(CONFIG_8xx) - /* The MPC8xx seems to always set 0x80000000, which is - * "undefined". Of those that can be set, this is the only - * one which seems bad. - */ - if (error_code & 0x10000000) - /* Guarded storage error. */ - goto bad_area; -#endif /* CONFIG_8xx */ - - if (is_exec) { - /* - * Allow execution from readable areas if the MMU does not - * provide separate controls over reading and executing. - * - * Note: That code used to not be enabled for 4xx/BookE. - * It is now as I/D cache coherency for these is done at - * set_pte_at() time and I see no reason why the test - * below wouldn't be valid on those processors. This -may- - * break programs compiled with a really old ABI though. - */ - if (!(vma->vm_flags & VM_EXEC) && - (cpu_has_feature(CPU_FTR_NOEXECUTE) || - !(vma->vm_flags & (VM_READ | VM_WRITE)))) - goto bad_area; - /* a write */ - } else if (is_write) { - if (!(vma->vm_flags & VM_WRITE)) - goto bad_area; - flags |= FAULT_FLAG_WRITE; - /* a read */ - } else { - if (!(vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE))) - goto bad_area; - } -#ifdef CONFIG_PPC_STD_MMU - /* - * For hash translation mode, we should never get a - * PROTFAULT. Any update to pte to reduce access will result in us - * removing the hash page table entry, thus resulting in a DSISR_NOHPTE - * fault instead of DSISR_PROTFAULT. - * - * A pte update to relax the access will not result in a hash page table - * entry invalidate and hence can result in DSISR_PROTFAULT. - * ptep_set_access_flags() doesn't do a hpte flush. This is why we have - * the special !is_write in the below conditional. - * - * For platforms that doesn't supports coherent icache and do support - * per page noexec bit, we do setup things such that we do the - * sync between D/I cache via fault. But that is handled via low level - * hash fault code (hash_page_do_lazy_icache()) and we should not reach - * here in such case. - * - * For wrong access that can result in PROTFAULT, the above vma->vm_flags - * check should handle those and hence we should fall to the bad_area - * handling correctly. - * - * For embedded with per page exec support that doesn't support coherent - * icache we do get PROTFAULT and we handle that D/I cache sync in - * set_pte_at while taking the noexec/prot fault. Hence this is WARN_ON - * is conditional for server MMU. - * - * For radix, we can get prot fault for autonuma case, because radix - * page table will have them marked noaccess for user. - */ - if (!radix_enabled() && !is_write) - WARN_ON_ONCE(error_code & DSISR_PROTFAULT); -#endif /* CONFIG_PPC_STD_MMU */ + if (unlikely(access_error(is_write, is_exec, vma))) + return bad_area(regs, address); /* * If for any reason at all we couldn't handle the fault, @@ -448,6 +498,7 @@ good_area: * the fault. */ fault = handle_mm_fault(vma, address, flags); + major |= fault & VM_FAULT_MAJOR; /* * Handle the retry right now, the mmap_sem has been released in that @@ -465,64 +516,39 @@ good_area: if (!fatal_signal_pending(current)) goto retry; } - /* We will enter mm_fault_error() below */ - } else - up_read(¤t->mm->mmap_sem); - - if (unlikely(fault & (VM_FAULT_RETRY|VM_FAULT_ERROR))) { - if (fault & VM_FAULT_SIGSEGV) - goto bad_area_nosemaphore; - rc = mm_fault_error(regs, address, fault); - if (rc >= MM_FAULT_RETURN) - goto bail; - else - rc = 0; + + /* + * User mode? Just return to handle the fatal exception otherwise + * return to bad_page_fault + */ + return is_user ? 0 : SIGBUS; } + up_read(¤t->mm->mmap_sem); + + if (unlikely(fault & VM_FAULT_ERROR)) + return mm_fault_error(regs, address, fault); + /* * Major/minor page fault accounting. */ - if (fault & VM_FAULT_MAJOR) { + if (major) { current->maj_flt++; - perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, - regs, address); -#ifdef CONFIG_PPC_SMLPAR - if (firmware_has_feature(FW_FEATURE_CMO)) { - u32 page_ins; - - preempt_disable(); - page_ins = be32_to_cpu(get_lppaca()->page_ins); - page_ins += 1 << PAGE_FACTOR; - get_lppaca()->page_ins = cpu_to_be32(page_ins); - preempt_enable(); - } -#endif /* CONFIG_PPC_SMLPAR */ + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, regs, address); + cmo_account_page_fault(); } else { current->min_flt++; - perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, - regs, address); - } - - goto bail; - -bad_area: - up_read(&mm->mmap_sem); - -bad_area_nosemaphore: - /* User mode accesses cause a SIGSEGV */ - if (is_user) { - _exception(SIGSEGV, regs, code, address); - goto bail; + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, regs, address); } + return 0; +} +NOKPROBE_SYMBOL(__do_page_fault); - if (is_exec && (error_code & DSISR_PROTFAULT)) - printk_ratelimited(KERN_CRIT "kernel tried to execute NX-protected" - " page (%lx) - exploit attempt? (uid: %d)\n", - address, from_kuid(&init_user_ns, current_uid())); - - rc = SIGSEGV; - -bail: +int do_page_fault(struct pt_regs *regs, unsigned long address, + unsigned long error_code) +{ + enum ctx_state prev_state = exception_enter(); + int rc = __do_page_fault(regs, address, error_code); exception_exit(prev_state); return rc; } diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 7a20669c19e7..1c4cd82421bc 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -61,6 +61,7 @@ #include <asm/tm.h> #include <asm/trace.h> #include <asm/ps3.h> +#include <asm/pte-walk.h> #ifdef DEBUG #define DBG(fmt...) udbg_printf(fmt) @@ -507,9 +508,9 @@ static int __init htab_dt_scan_hugepage_blocks(unsigned long node, printk(KERN_INFO "Huge page(16GB) memory: " "addr = 0x%lX size = 0x%lX pages = %d\n", phys_addr, block_size, expected_pages); - if (phys_addr + (16 * GB) <= memblock_end_of_DRAM()) { + if (phys_addr + block_size * expected_pages <= memblock_end_of_DRAM()) { memblock_reserve(phys_addr, block_size * expected_pages); - add_gpage(phys_addr, block_size, expected_pages); + pseries_add_gpage(phys_addr, block_size, expected_pages); } return 0; } @@ -1019,6 +1020,7 @@ void __init hash__early_init_mmu(void) __kernel_virt_size = H_KERN_VIRT_SIZE; __vmalloc_start = H_VMALLOC_START; __vmalloc_end = H_VMALLOC_END; + __kernel_io_start = H_KERN_IO_START; vmemmap = (struct page *)H_VMEMMAP_BASE; ioremap_bot = IOREMAP_BASE; @@ -1297,7 +1299,7 @@ int hash_page_mm(struct mm_struct *mm, unsigned long ea, #endif /* CONFIG_PPC_64K_PAGES */ /* Get PTE and page size from page tables */ - ptep = __find_linux_pte_or_hugepte(pgdir, ea, &is_thp, &hugeshift); + ptep = find_linux_pte(pgdir, ea, &is_thp, &hugeshift); if (ptep == NULL || !pte_present(*ptep)) { DBG_LOW(" no PTE !\n"); rc = 1; @@ -1526,7 +1528,7 @@ void hash_preload(struct mm_struct *mm, unsigned long ea, * THP pages use update_mmu_cache_pmd. We don't do * hash preload there. Hence can ignore THP here */ - ptep = find_linux_pte_or_hugepte(pgdir, ea, NULL, &hugepage_shift); + ptep = find_current_mm_pte(pgdir, ea, NULL, &hugepage_shift); if (!ptep) goto out_exit; diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index e1bf5ca397fe..2d4a331e498e 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -24,6 +24,8 @@ #include <asm/tlb.h> #include <asm/setup.h> #include <asm/hugetlb.h> +#include <asm/pte-walk.h> + #ifdef CONFIG_HUGETLB_PAGE @@ -36,32 +38,15 @@ unsigned int HPAGE_SHIFT; EXPORT_SYMBOL(HPAGE_SHIFT); -/* - * Tracks gpages after the device tree is scanned and before the - * huge_boot_pages list is ready. On non-Freescale implementations, this is - * just used to track 16G pages and so is a single array. FSL-based - * implementations may have more than one gpage size, so we need multiple - * arrays - */ -#if defined(CONFIG_PPC_FSL_BOOK3E) || defined(CONFIG_PPC_8xx) -#define MAX_NUMBER_GPAGES 128 -struct psize_gpages { - u64 gpage_list[MAX_NUMBER_GPAGES]; - unsigned int nr_gpages; -}; -static struct psize_gpages gpage_freearray[MMU_PAGE_COUNT]; -#else -#define MAX_NUMBER_GPAGES 1024 -static u64 gpage_freearray[MAX_NUMBER_GPAGES]; -static unsigned nr_gpages; -#endif - #define hugepd_none(hpd) (hpd_val(hpd) == 0) pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr, unsigned long sz) { - /* Only called for hugetlbfs pages, hence can ignore THP */ - return __find_linux_pte_or_hugepte(mm->pgd, addr, NULL, NULL); + /* + * Only called for hugetlbfs pages, hence can ignore THP and the + * irq disabled walk. + */ + return __find_linux_pte(mm->pgd, addr, NULL, NULL); } static int __hugepte_alloc(struct mm_struct *mm, hugepd_t *hpdp, @@ -210,145 +195,20 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr, unsigned long sz return hugepte_offset(*hpdp, addr, pdshift); } -#if defined(CONFIG_PPC_FSL_BOOK3E) || defined(CONFIG_PPC_8xx) -/* Build list of addresses of gigantic pages. This function is used in early - * boot before the buddy allocator is setup. - */ -void add_gpage(u64 addr, u64 page_size, unsigned long number_of_pages) -{ - unsigned int idx = shift_to_mmu_psize(__ffs(page_size)); - int i; - - if (addr == 0) - return; - - gpage_freearray[idx].nr_gpages = number_of_pages; - - for (i = 0; i < number_of_pages; i++) { - gpage_freearray[idx].gpage_list[i] = addr; - addr += page_size; - } -} - -/* - * Moves the gigantic page addresses from the temporary list to the - * huge_boot_pages list. - */ -int alloc_bootmem_huge_page(struct hstate *hstate) -{ - struct huge_bootmem_page *m; - int idx = shift_to_mmu_psize(huge_page_shift(hstate)); - int nr_gpages = gpage_freearray[idx].nr_gpages; - - if (nr_gpages == 0) - return 0; - -#ifdef CONFIG_HIGHMEM - /* - * If gpages can be in highmem we can't use the trick of storing the - * data structure in the page; allocate space for this - */ - m = memblock_virt_alloc(sizeof(struct huge_bootmem_page), 0); - m->phys = gpage_freearray[idx].gpage_list[--nr_gpages]; -#else - m = phys_to_virt(gpage_freearray[idx].gpage_list[--nr_gpages]); -#endif - - list_add(&m->list, &huge_boot_pages); - gpage_freearray[idx].nr_gpages = nr_gpages; - gpage_freearray[idx].gpage_list[nr_gpages] = 0; - m->hstate = hstate; - - return 1; -} +#ifdef CONFIG_PPC_BOOK3S_64 /* - * Scan the command line hugepagesz= options for gigantic pages; store those in - * a list that we use to allocate the memory once all options are parsed. + * Tracks gpages after the device tree is scanned and before the + * huge_boot_pages list is ready on pseries. */ - -unsigned long gpage_npages[MMU_PAGE_COUNT]; - -static int __init do_gpage_early_setup(char *param, char *val, - const char *unused, void *arg) -{ - static phys_addr_t size; - unsigned long npages; - - /* - * The hugepagesz and hugepages cmdline options are interleaved. We - * use the size variable to keep track of whether or not this was done - * properly and skip over instances where it is incorrect. Other - * command-line parsing code will issue warnings, so we don't need to. - * - */ - if ((strcmp(param, "default_hugepagesz") == 0) || - (strcmp(param, "hugepagesz") == 0)) { - size = memparse(val, NULL); - } else if (strcmp(param, "hugepages") == 0) { - if (size != 0) { - if (sscanf(val, "%lu", &npages) <= 0) - npages = 0; - if (npages > MAX_NUMBER_GPAGES) { - pr_warn("MMU: %lu pages requested for page " -#ifdef CONFIG_PHYS_ADDR_T_64BIT - "size %llu KB, limiting to " -#else - "size %u KB, limiting to " -#endif - __stringify(MAX_NUMBER_GPAGES) "\n", - npages, size / 1024); - npages = MAX_NUMBER_GPAGES; - } - gpage_npages[shift_to_mmu_psize(__ffs(size))] = npages; - size = 0; - } - } - return 0; -} - +#define MAX_NUMBER_GPAGES 1024 +__initdata static u64 gpage_freearray[MAX_NUMBER_GPAGES]; +__initdata static unsigned nr_gpages; /* - * This function allocates physical space for pages that are larger than the - * buddy allocator can handle. We want to allocate these in highmem because - * the amount of lowmem is limited. This means that this function MUST be - * called before lowmem_end_addr is set up in MMU_init() in order for the lmb - * allocate to grab highmem. - */ -void __init reserve_hugetlb_gpages(void) -{ - static __initdata char cmdline[COMMAND_LINE_SIZE]; - phys_addr_t size, base; - int i; - - strlcpy(cmdline, boot_command_line, COMMAND_LINE_SIZE); - parse_args("hugetlb gpages", cmdline, NULL, 0, 0, 0, - NULL, &do_gpage_early_setup); - - /* - * Walk gpage list in reverse, allocating larger page sizes first. - * Skip over unsupported sizes, or sizes that have 0 gpages allocated. - * When we reach the point in the list where pages are no longer - * considered gpages, we're done. - */ - for (i = MMU_PAGE_COUNT-1; i >= 0; i--) { - if (mmu_psize_defs[i].shift == 0 || gpage_npages[i] == 0) - continue; - else if (mmu_psize_to_shift(i) < (MAX_ORDER + PAGE_SHIFT)) - break; - - size = (phys_addr_t)(1ULL << mmu_psize_to_shift(i)); - base = memblock_alloc_base(size * gpage_npages[i], size, - MEMBLOCK_ALLOC_ANYWHERE); - add_gpage(base, size, gpage_npages[i]); - } -} - -#else /* !PPC_FSL_BOOK3E */ - -/* Build list of addresses of gigantic pages. This function is used in early + * Build list of addresses of gigantic pages. This function is used in early * boot before the buddy allocator is setup. */ -void add_gpage(u64 addr, u64 page_size, unsigned long number_of_pages) +void __init pseries_add_gpage(u64 addr, u64 page_size, unsigned long number_of_pages) { if (!addr) return; @@ -360,10 +220,7 @@ void add_gpage(u64 addr, u64 page_size, unsigned long number_of_pages) } } -/* Moves the gigantic page addresses from the temporary list to the - * huge_boot_pages list. - */ -int alloc_bootmem_huge_page(struct hstate *hstate) +int __init pseries_alloc_bootmem_huge_page(struct hstate *hstate) { struct huge_bootmem_page *m; if (nr_gpages == 0) @@ -376,6 +233,17 @@ int alloc_bootmem_huge_page(struct hstate *hstate) } #endif + +int __init alloc_bootmem_huge_page(struct hstate *h) +{ + +#ifdef CONFIG_PPC_BOOK3S_64 + if (firmware_has_feature(FW_FEATURE_LPAR) && !radix_enabled()) + return pseries_alloc_bootmem_huge_page(h); +#endif + return __alloc_bootmem_huge_page(h); +} + #if defined(CONFIG_PPC_FSL_BOOK3E) || defined(CONFIG_PPC_8xx) #define HUGEPD_FREELIST_SIZE \ ((PAGE_SIZE - sizeof(struct hugepd_freelist)) / sizeof(pte_t)) @@ -886,9 +754,8 @@ void flush_dcache_icache_hugepage(struct page *page) * This function need to be called with interrupts disabled. We use this variant * when we have MSR[EE] = 0 but the paca->soft_enabled = 1 */ - -pte_t *__find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, - bool *is_thp, unsigned *shift) +pte_t *__find_linux_pte(pgd_t *pgdir, unsigned long ea, + bool *is_thp, unsigned *hpage_shift) { pgd_t pgd, *pgdp; pud_t pud, *pudp; @@ -897,8 +764,8 @@ pte_t *__find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, hugepd_t *hpdp = NULL; unsigned pdshift = PGDIR_SHIFT; - if (shift) - *shift = 0; + if (hpage_shift) + *hpage_shift = 0; if (is_thp) *is_thp = false; @@ -968,16 +835,15 @@ pte_t *__find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, ret_pte = hugepte_offset(*hpdp, ea, pdshift); pdshift = hugepd_shift(*hpdp); out: - if (shift) - *shift = pdshift; + if (hpage_shift) + *hpage_shift = pdshift; return ret_pte; } -EXPORT_SYMBOL_GPL(__find_linux_pte_or_hugepte); +EXPORT_SYMBOL_GPL(__find_linux_pte); int gup_hugepte(pte_t *ptep, unsigned long sz, unsigned long addr, unsigned long end, int write, struct page **pages, int *nr) { - unsigned long mask; unsigned long pte_end; struct page *head, *page; pte_t pte; @@ -988,18 +854,10 @@ int gup_hugepte(pte_t *ptep, unsigned long sz, unsigned long addr, end = pte_end; pte = READ_ONCE(*ptep); - mask = _PAGE_PRESENT | _PAGE_READ; - /* - * On some CPUs like the 8xx, _PAGE_RW hence _PAGE_WRITE is defined - * as 0 and _PAGE_RO has to be set when a page is not writable - */ - if (write) - mask |= _PAGE_WRITE; - else - mask |= _PAGE_RO; - - if ((pte_val(pte) & mask) != mask) + if (!pte_present(pte) || !pte_read(pte)) + return 0; + if (write && !pte_write(pte)) return 0; /* hugepages are never "special" */ diff --git a/arch/powerpc/mm/icswx.c b/arch/powerpc/mm/icswx.c deleted file mode 100644 index 1fa794d7d59f..000000000000 --- a/arch/powerpc/mm/icswx.c +++ /dev/null @@ -1,292 +0,0 @@ -/* - * ICSWX and ACOP Management - * - * Copyright (C) 2011 Anton Blanchard, IBM Corp. <anton@samba.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - */ - -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/types.h> -#include <linux/mm.h> -#include <linux/spinlock.h> -#include <linux/module.h> -#include <linux/uaccess.h> - -#include "icswx.h" - -/* - * The processor and its L2 cache cause the icswx instruction to - * generate a COP_REQ transaction on PowerBus. The transaction has no - * address, and the processor does not perform an MMU access to - * authenticate the transaction. The command portion of the PowerBus - * COP_REQ transaction includes the LPAR_ID (LPID) and the coprocessor - * Process ID (PID), which the coprocessor compares to the authorized - * LPID and PID held in the coprocessor, to determine if the process - * is authorized to generate the transaction. The data of the COP_REQ - * transaction is 128-byte or less in size and is placed in cacheable - * memory on a 128-byte cache line boundary. - * - * The task to use a coprocessor should use use_cop() to mark the use - * of the Coprocessor Type (CT) and context switching. On a server - * class processor, the PID register is used only for coprocessor - * management + * and so a coprocessor PID is allocated before - * executing icswx + * instruction. Drop_cop() is used to free the - * coprocessor PID. - * - * Example: - * Host Fabric Interface (HFI) is a PowerPC network coprocessor. - * Each HFI have multiple windows. Each HFI window serves as a - * network device sending to and receiving from HFI network. - * HFI immediate send function uses icswx instruction. The immediate - * send function allows small (single cache-line) packets be sent - * without using the regular HFI send FIFO and doorbell, which are - * much slower than immediate send. - * - * For each task intending to use HFI immediate send, the HFI driver - * calls use_cop() to obtain a coprocessor PID for the task. - * The HFI driver then allocate a free HFI window and save the - * coprocessor PID to the HFI window to allow the task to use the - * HFI window. - * - * The HFI driver repeatedly creates immediate send packets and - * issues icswx instruction to send data through the HFI window. - * The HFI compares the coprocessor PID in the CPU PID register - * to the PID held in the HFI window to determine if the transaction - * is allowed. - * - * When the task to release the HFI window, the HFI driver calls - * drop_cop() to release the coprocessor PID. - */ - -void switch_cop(struct mm_struct *next) -{ -#ifdef CONFIG_PPC_ICSWX_PID - mtspr(SPRN_PID, next->context.cop_pid); -#endif - mtspr(SPRN_ACOP, next->context.acop); -} - -/** - * Start using a coprocessor. - * @acop: mask of coprocessor to be used. - * @mm: The mm the coprocessor to associate with. Most likely current mm. - * - * Return a positive PID if successful. Negative errno otherwise. - * The returned PID will be fed to the coprocessor to determine if an - * icswx transaction is authenticated. - */ -int use_cop(unsigned long acop, struct mm_struct *mm) -{ - int ret; - - if (!cpu_has_feature(CPU_FTR_ICSWX)) - return -ENODEV; - - if (!mm || !acop) - return -EINVAL; - - /* The page_table_lock ensures mm_users won't change under us */ - spin_lock(&mm->page_table_lock); - spin_lock(mm->context.cop_lockp); - - ret = get_cop_pid(mm); - if (ret < 0) - goto out; - - /* update acop */ - mm->context.acop |= acop; - - sync_cop(mm); - - /* - * If this is a threaded process then there might be other threads - * running. We need to send an IPI to force them to pick up any - * change in PID and ACOP. - */ - if (atomic_read(&mm->mm_users) > 1) - smp_call_function(sync_cop, mm, 1); - -out: - spin_unlock(mm->context.cop_lockp); - spin_unlock(&mm->page_table_lock); - - return ret; -} -EXPORT_SYMBOL_GPL(use_cop); - -/** - * Stop using a coprocessor. - * @acop: mask of coprocessor to be stopped. - * @mm: The mm the coprocessor associated with. - */ -void drop_cop(unsigned long acop, struct mm_struct *mm) -{ - int free_pid; - - if (!cpu_has_feature(CPU_FTR_ICSWX)) - return; - - if (WARN_ON_ONCE(!mm)) - return; - - /* The page_table_lock ensures mm_users won't change under us */ - spin_lock(&mm->page_table_lock); - spin_lock(mm->context.cop_lockp); - - mm->context.acop &= ~acop; - - free_pid = disable_cop_pid(mm); - sync_cop(mm); - - /* - * If this is a threaded process then there might be other threads - * running. We need to send an IPI to force them to pick up any - * change in PID and ACOP. - */ - if (atomic_read(&mm->mm_users) > 1) - smp_call_function(sync_cop, mm, 1); - - if (free_pid != COP_PID_NONE) - free_cop_pid(free_pid); - - spin_unlock(mm->context.cop_lockp); - spin_unlock(&mm->page_table_lock); -} -EXPORT_SYMBOL_GPL(drop_cop); - -static int acop_use_cop(int ct) -{ - /* There is no alternate policy, yet */ - return -1; -} - -/* - * Get the instruction word at the NIP - */ -static u32 acop_get_inst(struct pt_regs *regs) -{ - u32 inst; - u32 __user *p; - - p = (u32 __user *)regs->nip; - if (!access_ok(VERIFY_READ, p, sizeof(*p))) - return 0; - - if (__get_user(inst, p)) - return 0; - - return inst; -} - -/** - * @regs: registers at time of interrupt - * @address: storage address - * @error_code: Fault code, usually the DSISR or ESR depending on - * processor type - * - * Return 0 if we are able to resolve the data storage fault that - * results from a CT miss in the ACOP register. - */ -int acop_handle_fault(struct pt_regs *regs, unsigned long address, - unsigned long error_code) -{ - int ct; - u32 inst = 0; - - if (!cpu_has_feature(CPU_FTR_ICSWX)) { - pr_info("No coprocessors available"); - _exception(SIGILL, regs, ILL_ILLOPN, address); - } - - if (!user_mode(regs)) { - /* this could happen if the HV denies the - * kernel access, for now we just die */ - die("ICSWX from kernel failed", regs, SIGSEGV); - } - - /* Some implementations leave us a hint for the CT */ - ct = ICSWX_GET_CT_HINT(error_code); - if (ct < 0) { - /* we have to peek at the instruction word to figure out CT */ - u32 ccw; - u32 rs; - - inst = acop_get_inst(regs); - if (inst == 0) - return -1; - - rs = (inst >> (31 - 10)) & 0x1f; - ccw = regs->gpr[rs]; - ct = (ccw >> 16) & 0x3f; - } - - /* - * We could be here because another thread has enabled acop - * but the ACOP register has yet to be updated. - * - * This should have been taken care of by the IPI to sync all - * the threads (see smp_call_function(sync_cop, mm, 1)), but - * that could take forever if there are a significant amount - * of threads. - * - * Given the number of threads on some of these systems, - * perhaps this is the best way to sync ACOP rather than whack - * every thread with an IPI. - */ - if ((acop_copro_type_bit(ct) & current->active_mm->context.acop) != 0) { - sync_cop(current->active_mm); - return 0; - } - - /* check for alternate policy */ - if (!acop_use_cop(ct)) - return 0; - - /* at this point the CT is unknown to the system */ - pr_warn("%s[%d]: Coprocessor %d is unavailable\n", - current->comm, current->pid, ct); - - /* get inst if we don't already have it */ - if (inst == 0) { - inst = acop_get_inst(regs); - if (inst == 0) - return -1; - } - - /* Check if the instruction is the "record form" */ - if (inst & 1) { - /* - * the instruction is "record" form so we can reject - * using CR0 - */ - regs->ccr &= ~(0xful << 28); - regs->ccr |= ICSWX_RC_NOT_FOUND << 28; - - /* Move on to the next instruction */ - regs->nip += 4; - } else { - /* - * There is no architected mechanism to report a bad - * CT so we could either SIGILL or report nothing. - * Since the non-record version should only bu used - * for "hints" or "don't care" we should probably do - * nothing. However, I could see how some people - * might want an SIGILL so it here if you want it. - */ -#ifdef CONFIG_PPC_ICSWX_USE_SIGILL - _exception(SIGILL, regs, ILL_ILLOPN, address); -#else - regs->nip += 4; -#endif - } - - return 0; -} -EXPORT_SYMBOL_GPL(acop_handle_fault); diff --git a/arch/powerpc/mm/icswx.h b/arch/powerpc/mm/icswx.h deleted file mode 100644 index 6dedc08e62c8..000000000000 --- a/arch/powerpc/mm/icswx.h +++ /dev/null @@ -1,68 +0,0 @@ -#ifndef _ARCH_POWERPC_MM_ICSWX_H_ -#define _ARCH_POWERPC_MM_ICSWX_H_ - -/* - * ICSWX and ACOP Management - * - * Copyright (C) 2011 Anton Blanchard, IBM Corp. <anton@samba.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - */ - -#include <asm/mmu_context.h> - -/* also used to denote that PIDs are not used */ -#define COP_PID_NONE 0 - -static inline void sync_cop(void *arg) -{ - struct mm_struct *mm = arg; - - if (mm == current->active_mm) - switch_cop(current->active_mm); -} - -#ifdef CONFIG_PPC_ICSWX_PID -extern int get_cop_pid(struct mm_struct *mm); -extern int disable_cop_pid(struct mm_struct *mm); -extern void free_cop_pid(int free_pid); -#else -#define get_cop_pid(m) (COP_PID_NONE) -#define disable_cop_pid(m) (COP_PID_NONE) -#define free_cop_pid(p) -#endif - -/* - * These are implementation bits for architected registers. If this - * ever becomes architecture the should be moved to reg.h et. al. - */ -/* UCT is the same bit for Server and Embedded */ -#define ICSWX_DSI_UCT 0x00004000 /* Unavailable Coprocessor Type */ - -#ifdef CONFIG_PPC_BOOK3E -/* Embedded implementation gives us no hints as to what the CT is */ -#define ICSWX_GET_CT_HINT(x) (-1) -#else -/* Server implementation contains the CT value in the DSISR */ -#define ICSWX_DSISR_CTMASK 0x00003f00 -#define ICSWX_GET_CT_HINT(x) (((x) & ICSWX_DSISR_CTMASK) >> 8) -#endif - -#define ICSWX_RC_STARTED 0x8 /* The request has been started */ -#define ICSWX_RC_NOT_IDLE 0x4 /* No coprocessor found idle */ -#define ICSWX_RC_NOT_FOUND 0x2 /* No coprocessor found */ -#define ICSWX_RC_UNDEFINED 0x1 /* Reserved */ - -extern int acop_handle_fault(struct pt_regs *regs, unsigned long address, - unsigned long error_code); - -static inline u64 acop_copro_type_bit(unsigned int type) -{ - return 1ULL << (63 - type); -} - -#endif /* !_ARCH_POWERPC_MM_ICSWX_H_ */ diff --git a/arch/powerpc/mm/icswx_pid.c b/arch/powerpc/mm/icswx_pid.c deleted file mode 100644 index 91e30eb7d054..000000000000 --- a/arch/powerpc/mm/icswx_pid.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * ICSWX and ACOP/PID Management - * - * Copyright (C) 2011 Anton Blanchard, IBM Corp. <anton@samba.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - */ - -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/types.h> -#include <linux/mm.h> -#include <linux/spinlock.h> -#include <linux/idr.h> -#include <linux/module.h> -#include "icswx.h" - -#define COP_PID_MIN (COP_PID_NONE + 1) -#define COP_PID_MAX (0xFFFF) - -static DEFINE_SPINLOCK(mmu_context_acop_lock); -static DEFINE_IDA(cop_ida); - -static int new_cop_pid(struct ida *ida, int min_id, int max_id, - spinlock_t *lock) -{ - int index; - int err; - -again: - if (!ida_pre_get(ida, GFP_KERNEL)) - return -ENOMEM; - - spin_lock(lock); - err = ida_get_new_above(ida, min_id, &index); - spin_unlock(lock); - - if (err == -EAGAIN) - goto again; - else if (err) - return err; - - if (index > max_id) { - spin_lock(lock); - ida_remove(ida, index); - spin_unlock(lock); - return -ENOMEM; - } - - return index; -} - -int get_cop_pid(struct mm_struct *mm) -{ - int pid; - - if (mm->context.cop_pid == COP_PID_NONE) { - pid = new_cop_pid(&cop_ida, COP_PID_MIN, COP_PID_MAX, - &mmu_context_acop_lock); - if (pid >= 0) - mm->context.cop_pid = pid; - } - return mm->context.cop_pid; -} - -int disable_cop_pid(struct mm_struct *mm) -{ - int free_pid = COP_PID_NONE; - - if ((!mm->context.acop) && (mm->context.cop_pid != COP_PID_NONE)) { - free_pid = mm->context.cop_pid; - mm->context.cop_pid = COP_PID_NONE; - } - return free_pid; -} - -void free_cop_pid(int free_pid) -{ - spin_lock(&mmu_context_acop_lock); - ida_remove(&cop_ida, free_pid); - spin_unlock(&mmu_context_acop_lock); -} diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c index 8a7c38b8d335..6419b33ca309 100644 --- a/arch/powerpc/mm/init_32.c +++ b/arch/powerpc/mm/init_32.c @@ -113,6 +113,12 @@ void __init MMU_setup(void) __map_without_bats = 1; __map_without_ltlbs = 1; } +#ifdef CONFIG_STRICT_KERNEL_RWX + if (rodata_enabled) { + __map_without_bats = 1; + __map_without_ltlbs = 1; + } +#endif } /* @@ -132,8 +138,6 @@ void __init MMU_init(void) * Reserve gigantic pages for hugetlb. This MUST occur before * lowmem_end_addr is initialized below. */ - reserve_hugetlb_gpages(); - if (memblock.memory.cnt > 1) { #ifndef CONFIG_WII memblock_enforce_memory_limit(memblock.memory.regions[0].size); diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 5b4c25d12ff3..588a521966ec 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -356,7 +356,7 @@ struct page *realmode_pfn_to_page(unsigned long pfn) } EXPORT_SYMBOL_GPL(realmode_pfn_to_page); -#elif defined(CONFIG_FLATMEM) +#else struct page *realmode_pfn_to_page(unsigned long pfn) { @@ -365,7 +365,7 @@ struct page *realmode_pfn_to_page(unsigned long pfn) } EXPORT_SYMBOL_GPL(realmode_pfn_to_page); -#endif /* CONFIG_SPARSEMEM_VMEMMAP/CONFIG_FLATMEM */ +#endif /* CONFIG_SPARSEMEM_VMEMMAP */ #ifdef CONFIG_PPC_STD_MMU_64 static bool disable_radix; @@ -381,7 +381,7 @@ early_param("disable_radix", parse_disable_radix); * /chosen/ibm,architecture-vec-5 to see if the hypervisor is willing to do * radix. If not, we clear the radix feature bit so we fall back to hash. */ -static void early_check_vec5(void) +static void __init early_check_vec5(void) { unsigned long root, chosen; int size; diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 46b4e67d2372..4362b86ef84c 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -436,7 +436,7 @@ void flush_dcache_icache_page(struct page *page) return; } #endif -#if defined(CONFIG_8xx) || defined(CONFIG_PPC64) +#if defined(CONFIG_PPC_8xx) || defined(CONFIG_PPC64) /* On 8xx there is no need to kmap since highmem is not supported */ __flush_dcache_icache(page_address(page)); #else diff --git a/arch/powerpc/mm/mmu_context_book3s64.c b/arch/powerpc/mm/mmu_context_book3s64.c index a75f63833284..60188f4b3ecd 100644 --- a/arch/powerpc/mm/mmu_context_book3s64.c +++ b/arch/powerpc/mm/mmu_context_book3s64.c @@ -25,8 +25,6 @@ #include <asm/mmu_context.h> #include <asm/pgalloc.h> -#include "icswx.h" - static DEFINE_SPINLOCK(mmu_context_lock); static DEFINE_IDA(mmu_context_ida); @@ -165,16 +163,6 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm) return index; mm->context.id = index; -#ifdef CONFIG_PPC_ICSWX - mm->context.cop_lockp = kmalloc(sizeof(spinlock_t), GFP_KERNEL); - if (!mm->context.cop_lockp) { - __destroy_context(index); - subpage_prot_free(mm); - mm->context.id = MMU_NO_CONTEXT; - return -ENOMEM; - } - spin_lock_init(mm->context.cop_lockp); -#endif /* CONFIG_PPC_ICSWX */ #ifdef CONFIG_PPC_64K_PAGES mm->context.pte_frag = NULL; @@ -226,12 +214,6 @@ void destroy_context(struct mm_struct *mm) #ifdef CONFIG_SPAPR_TCE_IOMMU WARN_ON_ONCE(!list_empty(&mm->context.iommu_group_mem_list)); #endif -#ifdef CONFIG_PPC_ICSWX - drop_cop(mm->context.acop, mm); - kfree(mm->context.cop_lockp); - mm->context.cop_lockp = NULL; -#endif /* CONFIG_PPC_ICSWX */ - if (radix_enabled()) { /* * Radix doesn't have a valid bit in the process table diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h index d46128b22150..57fbc554c785 100644 --- a/arch/powerpc/mm/mmu_decl.h +++ b/arch/powerpc/mm/mmu_decl.h @@ -27,7 +27,7 @@ /* * On 40x and 8xx, we directly inline tlbia and tlbivax */ -#if defined(CONFIG_40x) || defined(CONFIG_8xx) +#if defined(CONFIG_40x) || defined(CONFIG_PPC_8xx) static inline void _tlbil_all(void) { asm volatile ("sync; tlbia; isync" : : : "memory"); @@ -38,7 +38,7 @@ static inline void _tlbil_pid(unsigned int pid) } #define _tlbil_pid_noind(pid) _tlbil_pid(pid) -#else /* CONFIG_40x || CONFIG_8xx */ +#else /* CONFIG_40x || CONFIG_PPC_8xx */ extern void _tlbil_all(void); extern void _tlbil_pid(unsigned int pid); #ifdef CONFIG_PPC_BOOK3E @@ -46,12 +46,12 @@ extern void _tlbil_pid_noind(unsigned int pid); #else #define _tlbil_pid_noind(pid) _tlbil_pid(pid) #endif -#endif /* !(CONFIG_40x || CONFIG_8xx) */ +#endif /* !(CONFIG_40x || CONFIG_PPC_8xx) */ /* * On 8xx, we directly inline tlbie, on others, it's extern */ -#ifdef CONFIG_8xx +#ifdef CONFIG_PPC_8xx static inline void _tlbil_va(unsigned long address, unsigned int pid, unsigned int tsize, unsigned int ind) { @@ -67,7 +67,7 @@ static inline void _tlbil_va(unsigned long address, unsigned int pid, { __tlbil_va(address, pid); } -#endif /* CONFIG_8xx */ +#endif /* CONFIG_PPC_8xx */ #if defined(CONFIG_PPC_BOOK3E) || defined(CONFIG_PPC_47x) extern void _tlbivax_bcast(unsigned long address, unsigned int pid, diff --git a/arch/powerpc/mm/pgtable-book3s64.c b/arch/powerpc/mm/pgtable-book3s64.c index 31eed8fa8e99..3b65917785a5 100644 --- a/arch/powerpc/mm/pgtable-book3s64.c +++ b/arch/powerpc/mm/pgtable-book3s64.c @@ -9,6 +9,7 @@ #include <linux/sched.h> #include <linux/mm_types.h> +#include <misc/cxl-base.h> #include <asm/pgalloc.h> #include <asm/tlb.h> @@ -64,6 +65,27 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr, trace_hugepage_set_pmd(addr, pmd_val(pmd)); return set_pte_at(mm, addr, pmdp_ptep(pmdp), pmd_pte(pmd)); } + +static void do_nothing(void *unused) +{ + +} +/* + * Serialize against find_current_mm_pte which does lock-less + * lookup in page tables with local interrupts disabled. For huge pages + * it casts pmd_t to pte_t. Since format of pte_t is different from + * pmd_t we want to prevent transit from pmd pointing to page table + * to pmd pointing to huge page (and back) while interrupts are disabled. + * We clear pmd to possibly replace it with page table pointer in + * different code paths. So make sure we wait for the parallel + * find_current_mm_pte to finish. + */ +void serialize_against_pte_lookup(struct mm_struct *mm) +{ + smp_mb(); + smp_call_function_many(mm_cpumask(mm), do_nothing, NULL, 1); +} + /* * We use this to invalidate a pmdp entry before switching from a * hugepte to regular pmd entry. @@ -77,7 +99,7 @@ void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, * This ensures that generic code that rely on IRQ disabling * to prevent a parallel THP split work as expected. */ - kick_all_cpus_sync(); + serialize_against_pte_lookup(vma->vm_mm); } static pmd_t pmd_set_protbits(pmd_t pmd, pgprot_t pgprot) diff --git a/arch/powerpc/mm/pgtable-hash64.c b/arch/powerpc/mm/pgtable-hash64.c index 443a2c66a304..c0a7372bdaa6 100644 --- a/arch/powerpc/mm/pgtable-hash64.c +++ b/arch/powerpc/mm/pgtable-hash64.c @@ -239,7 +239,7 @@ pmd_t hash__pmdp_collapse_flush(struct vm_area_struct *vma, unsigned long addres * by sending an IPI to all the cpus and executing a dummy * function there. */ - kick_all_cpus_sync(); + serialize_against_pte_lookup(vma->vm_mm); /* * Now invalidate the hpte entries in the range * covered by pmd. This make sure we take a @@ -380,16 +380,16 @@ pmd_t hash__pmdp_huge_get_and_clear(struct mm_struct *mm, */ memset(pgtable, 0, PTE_FRAG_SIZE); /* - * Serialize against find_linux_pte_or_hugepte which does lock-less + * Serialize against find_current_mm_pte variants which does lock-less * lookup in page tables with local interrupts disabled. For huge pages * it casts pmd_t to pte_t. Since format of pte_t is different from * pmd_t we want to prevent transit from pmd pointing to page table * to pmd pointing to huge page (and back) while interrupts are disabled. * We clear pmd to possibly replace it with page table pointer in * different code paths. So make sure we wait for the parallel - * find_linux_pte_or_hugepage to finish. + * find_curren_mm_pte to finish. */ - kick_all_cpus_sync(); + serialize_against_pte_lookup(mm); return old_pmd; } diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c index 671a45d86c18..c85e963d4893 100644 --- a/arch/powerpc/mm/pgtable-radix.c +++ b/arch/powerpc/mm/pgtable-radix.c @@ -31,9 +31,13 @@ unsigned int mmu_base_pid; static int native_register_process_table(unsigned long base, unsigned long pg_sz, unsigned long table_size) { - unsigned long patb1 = base | table_size | PATB_GR; + unsigned long patb0, patb1; + + patb0 = be64_to_cpu(partition_tb[0].patb0); + patb1 = base | table_size | PATB_GR; + + mmu_partition_table_set_entry(0, patb0, patb1); - partition_tb->patb1 = cpu_to_be64(patb1); return 0; } @@ -526,6 +530,7 @@ void __init radix__early_init_mmu(void) __kernel_virt_size = RADIX_KERN_VIRT_SIZE; __vmalloc_start = RADIX_VMALLOC_START; __vmalloc_end = RADIX_VMALLOC_END; + __kernel_io_start = RADIX_KERN_IO_START; vmemmap = (struct page *)RADIX_VMEMMAP_BASE; ioremap_bot = IOREMAP_BASE; @@ -836,9 +841,12 @@ pmd_t radix__pmdp_collapse_flush(struct vm_area_struct *vma, unsigned long addre */ pmd = *pmdp; pmd_clear(pmdp); + /*FIXME!! Verify whether we need this kick below */ - kick_all_cpus_sync(); - flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE); + serialize_against_pte_lookup(vma->vm_mm); + + radix__flush_tlb_collapsed_pmd(vma->vm_mm, address); + return pmd; } @@ -897,16 +905,16 @@ pmd_t radix__pmdp_huge_get_and_clear(struct mm_struct *mm, old = radix__pmd_hugepage_update(mm, addr, pmdp, ~0UL, 0); old_pmd = __pmd(old); /* - * Serialize against find_linux_pte_or_hugepte which does lock-less + * Serialize against find_current_mm_pte which does lock-less * lookup in page tables with local interrupts disabled. For huge pages * it casts pmd_t to pte_t. Since format of pte_t is different from * pmd_t we want to prevent transit from pmd pointing to page table * to pmd pointing to huge page (and back) while interrupts are disabled. * We clear pmd to possibly replace it with page table pointer in * different code paths. So make sure we wait for the parallel - * find_linux_pte_or_hugepage to finish. + * find_current_mm_pte to finish. */ - kick_all_cpus_sync(); + serialize_against_pte_lookup(mm); return old_pmd; } diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index a9e4bfc025bc..65eda1997c3f 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -34,6 +34,7 @@ #include <asm/fixmap.h> #include <asm/io.h> #include <asm/setup.h> +#include <asm/sections.h> #include "mmu_decl.h" @@ -242,7 +243,7 @@ int map_kernel_page(unsigned long va, phys_addr_t pa, int flags) /* * Map in a chunk of physical memory starting at start. */ -void __init __mapin_ram_chunk(unsigned long offset, unsigned long top) +static void __init __mapin_ram_chunk(unsigned long offset, unsigned long top) { unsigned long v, s, f; phys_addr_t p; @@ -294,7 +295,7 @@ void __init mapin_ram(void) * Returns true (1) if PTE was found, zero otherwise. The pointer to * the PTE pointer is unmodified if PTE is not found. */ -int +static int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep, pmd_t **pmdp) { pgd_t *pgd; @@ -323,9 +324,7 @@ get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep, pmd_t **pmdp) return(retval); } -#ifdef CONFIG_DEBUG_PAGEALLOC - -static int __change_page_attr(struct page *page, pgprot_t prot) +static int __change_page_attr_noflush(struct page *page, pgprot_t prot) { pte_t *kpte; pmd_t *kpmd; @@ -339,8 +338,6 @@ static int __change_page_attr(struct page *page, pgprot_t prot) if (!get_pteptr(&init_mm, address, &kpte, &kpmd)) return -EINVAL; __set_pte_at(&init_mm, address, kpte, mk_pte(page, prot), 0); - wmb(); - flush_tlb_page(NULL, address); pte_unmap(kpte); return 0; @@ -349,44 +346,65 @@ static int __change_page_attr(struct page *page, pgprot_t prot) /* * Change the page attributes of an page in the linear mapping. * - * THIS CONFLICTS WITH BAT MAPPINGS, DEBUG USE ONLY + * THIS DOES NOTHING WITH BAT MAPPINGS, DEBUG USE ONLY */ static int change_page_attr(struct page *page, int numpages, pgprot_t prot) { int i, err = 0; unsigned long flags; + struct page *start = page; local_irq_save(flags); for (i = 0; i < numpages; i++, page++) { - err = __change_page_attr(page, prot); + err = __change_page_attr_noflush(page, prot); if (err) break; } + wmb(); + flush_tlb_kernel_range((unsigned long)page_address(start), + (unsigned long)page_address(page)); local_irq_restore(flags); return err; } - -void __kernel_map_pages(struct page *page, int numpages, int enable) +void mark_initmem_nx(void) { - if (PageHighMem(page)) - return; + struct page *page = virt_to_page(_sinittext); + unsigned long numpages = PFN_UP((unsigned long)_einittext) - + PFN_DOWN((unsigned long)_sinittext); - change_page_attr(page, numpages, enable ? PAGE_KERNEL : __pgprot(0)); + change_page_attr(page, numpages, PAGE_KERNEL); } -#endif /* CONFIG_DEBUG_PAGEALLOC */ -static int fixmaps; - -void __set_fixmap (enum fixed_addresses idx, phys_addr_t phys, pgprot_t flags) +#ifdef CONFIG_STRICT_KERNEL_RWX +void mark_rodata_ro(void) { - unsigned long address = __fix_to_virt(idx); + struct page *page; + unsigned long numpages; + + page = virt_to_page(_stext); + numpages = PFN_UP((unsigned long)_etext) - + PFN_DOWN((unsigned long)_stext); - if (idx >= __end_of_fixed_addresses) { - BUG(); + change_page_attr(page, numpages, PAGE_KERNEL_ROX); + /* + * mark .rodata as read only. Use __init_begin rather than __end_rodata + * to cover NOTES and EXCEPTION_TABLE. + */ + page = virt_to_page(__start_rodata); + numpages = PFN_UP((unsigned long)__init_begin) - + PFN_DOWN((unsigned long)__start_rodata); + + change_page_attr(page, numpages, PAGE_KERNEL_RO); +} +#endif + +#ifdef CONFIG_DEBUG_PAGEALLOC +void __kernel_map_pages(struct page *page, int numpages, int enable) +{ + if (PageHighMem(page)) return; - } - map_kernel_page(address, phys, pgprot_val(flags)); - fixmaps++; + change_page_attr(page, numpages, enable ? PAGE_KERNEL : __pgprot(0)); } +#endif /* CONFIG_DEBUG_PAGEALLOC */ diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 0736e94c7615..ac0717a90ca6 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -104,6 +104,8 @@ unsigned long __vmalloc_start; EXPORT_SYMBOL(__vmalloc_start); unsigned long __vmalloc_end; EXPORT_SYMBOL(__vmalloc_end); +unsigned long __kernel_io_start; +EXPORT_SYMBOL(__kernel_io_start); struct page *vmemmap; EXPORT_SYMBOL(vmemmap); unsigned long __pte_frag_nr; diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S index bde378559d01..906a86fe457b 100644 --- a/arch/powerpc/mm/slb_low.S +++ b/arch/powerpc/mm/slb_low.S @@ -121,12 +121,25 @@ slb_miss_kernel_load_vmemmap: 1: #endif /* CONFIG_SPARSEMEM_VMEMMAP */ - /* vmalloc mapping gets the encoding from the PACA as the mapping - * can be demoted from 64K -> 4K dynamically on some machines + /* + * r10 contains the ESID, which is the original faulting EA shifted + * right by 28 bits. We need to compare that with (H_VMALLOC_END >> 28) + * which is 0xd00038000. That can't be used as an immediate, even if we + * ignored the 0xd, so we have to load it into a register, and we only + * have one register free. So we must load all of (H_VMALLOC_END >> 28) + * into a register and compare ESID against that. + */ + lis r11,(H_VMALLOC_END >> 32)@h // r11 = 0xffffffffd0000000 + ori r11,r11,(H_VMALLOC_END >> 32)@l // r11 = 0xffffffffd0003800 + // Rotate left 4, then mask with 0xffffffff0 + rldic r11,r11,4,28 // r11 = 0xd00038000 + cmpld r10,r11 // if r10 >= r11 + bge 5f // goto io_mapping + + /* + * vmalloc mapping gets the encoding from the PACA as the mapping + * can be demoted from 64K -> 4K dynamically on some machines. */ - clrldi r11,r10,48 - cmpldi r11,(H_VMALLOC_SIZE >> 28) - 1 - bgt 5f lhz r11,PACAVMALLOCSLLP(r13) b 6f 5: diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c index 16ae1bbe13f0..b3e849c4886e 100644 --- a/arch/powerpc/mm/tlb-radix.c +++ b/arch/powerpc/mm/tlb-radix.c @@ -54,23 +54,15 @@ static inline void _tlbiel_pid(unsigned long pid, unsigned long ric) */ __tlbiel_pid(pid, 0, ric); - if (ric == RIC_FLUSH_ALL) - /* For the remaining sets, just flush the TLB */ - ric = RIC_FLUSH_TLB; + /* For PWC, only one flush is needed */ + if (ric == RIC_FLUSH_PWC) { + asm volatile("ptesync": : :"memory"); + return; + } + /* For the remaining sets, just flush the TLB */ for (set = 1; set < POWER9_TLB_SETS_RADIX ; set++) - __tlbiel_pid(pid, set, ric); - - asm volatile("ptesync": : :"memory"); - asm volatile(PPC_INVALIDATE_ERAT "; isync" : : :"memory"); -} - -static inline void tlbiel_pwc(unsigned long pid) -{ - asm volatile("ptesync": : :"memory"); - - /* For PWC flush, we don't look at set number */ - __tlbiel_pid(pid, 0, RIC_FLUSH_PWC); + __tlbiel_pid(pid, set, RIC_FLUSH_TLB); asm volatile("ptesync": : :"memory"); asm volatile(PPC_INVALIDATE_ERAT "; isync" : : :"memory"); @@ -146,31 +138,23 @@ void radix__local_flush_tlb_mm(struct mm_struct *mm) preempt_disable(); pid = mm->context.id; if (pid != MMU_NO_CONTEXT) - _tlbiel_pid(pid, RIC_FLUSH_ALL); + _tlbiel_pid(pid, RIC_FLUSH_TLB); preempt_enable(); } EXPORT_SYMBOL(radix__local_flush_tlb_mm); -void radix__local_flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr) +#ifndef CONFIG_SMP +static void radix__local_flush_all_mm(struct mm_struct *mm) { unsigned long pid; - struct mm_struct *mm = tlb->mm; - /* - * If we are doing a full mm flush, we will do a tlb flush - * with RIC_FLUSH_ALL later. - */ - if (tlb->fullmm) - return; preempt_disable(); - pid = mm->context.id; if (pid != MMU_NO_CONTEXT) - tlbiel_pwc(pid); - + _tlbiel_pid(pid, RIC_FLUSH_ALL); preempt_enable(); } -EXPORT_SYMBOL(radix__local_flush_tlb_pwc); +#endif /* CONFIG_SMP */ void radix__local_flush_tlb_page_psize(struct mm_struct *mm, unsigned long vmaddr, int psize) @@ -208,38 +192,35 @@ void radix__flush_tlb_mm(struct mm_struct *mm) goto no_context; if (!mm_is_thread_local(mm)) - _tlbie_pid(pid, RIC_FLUSH_ALL); + _tlbie_pid(pid, RIC_FLUSH_TLB); else - _tlbiel_pid(pid, RIC_FLUSH_ALL); + _tlbiel_pid(pid, RIC_FLUSH_TLB); no_context: preempt_enable(); } EXPORT_SYMBOL(radix__flush_tlb_mm); -void radix__flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr) +static void radix__flush_all_mm(struct mm_struct *mm) { unsigned long pid; - struct mm_struct *mm = tlb->mm; - /* - * If we are doing a full mm flush, we will do a tlb flush - * with RIC_FLUSH_ALL later. - */ - if (tlb->fullmm) - return; preempt_disable(); - pid = mm->context.id; if (unlikely(pid == MMU_NO_CONTEXT)) goto no_context; if (!mm_is_thread_local(mm)) - _tlbie_pid(pid, RIC_FLUSH_PWC); + _tlbie_pid(pid, RIC_FLUSH_ALL); else - tlbiel_pwc(pid); + _tlbiel_pid(pid, RIC_FLUSH_ALL); no_context: preempt_enable(); } + +void radix__flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr) +{ + tlb->need_flush_all = 1; +} EXPORT_SYMBOL(radix__flush_tlb_pwc); void radix__flush_tlb_page_psize(struct mm_struct *mm, unsigned long vmaddr, @@ -271,6 +252,8 @@ void radix__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr) } EXPORT_SYMBOL(radix__flush_tlb_page); +#else /* CONFIG_SMP */ +#define radix__flush_all_mm radix__local_flush_all_mm #endif /* CONFIG_SMP */ void radix__flush_tlb_kernel_range(unsigned long start, unsigned long end) @@ -288,6 +271,7 @@ void radix__flush_tlb_range(struct vm_area_struct *vma, unsigned long start, { struct mm_struct *mm = vma->vm_mm; + radix__flush_tlb_mm(mm); } EXPORT_SYMBOL(radix__flush_tlb_range); @@ -319,7 +303,10 @@ void radix__tlb_flush(struct mmu_gather *tlb) */ if (psize != -1 && !tlb->fullmm && !tlb->need_flush_all) radix__flush_tlb_range_psize(mm, tlb->start, tlb->end, psize); - else + else if (tlb->need_flush_all) { + tlb->need_flush_all = 0; + radix__flush_all_mm(mm); + } else radix__flush_tlb_mm(mm); } @@ -364,6 +351,43 @@ err_out: preempt_enable(); } +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +void radix__flush_tlb_collapsed_pmd(struct mm_struct *mm, unsigned long addr) +{ + int local = mm_is_thread_local(mm); + unsigned long ap = mmu_get_ap(mmu_virtual_psize); + unsigned long pid, end; + + + pid = mm ? mm->context.id : 0; + if (unlikely(pid == MMU_NO_CONTEXT)) + goto no_context; + + /* 4k page size, just blow the world */ + if (PAGE_SIZE == 0x1000) { + radix__flush_all_mm(mm); + return; + } + + /* Otherwise first do the PWC */ + if (local) + _tlbiel_pid(pid, RIC_FLUSH_PWC); + else + _tlbie_pid(pid, RIC_FLUSH_PWC); + + /* Then iterate the pages */ + end = addr + HPAGE_PMD_SIZE; + for (; addr < end; addr += PAGE_SIZE) { + if (local) + _tlbiel_va(addr, pid, ap, RIC_FLUSH_TLB); + else + _tlbie_va(addr, pid, ap, RIC_FLUSH_TLB); + } +no_context: + preempt_enable(); +} +#endif /* CONFIG_TRANSPARENT_HUGEPAGE */ + void radix__flush_tlb_lpid_va(unsigned long lpid, unsigned long gpa, unsigned long page_size) { diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c index b5b0fb97b9c0..71cb2742bd16 100644 --- a/arch/powerpc/mm/tlb_hash64.c +++ b/arch/powerpc/mm/tlb_hash64.c @@ -29,6 +29,8 @@ #include <asm/tlbflush.h> #include <asm/tlb.h> #include <asm/bug.h> +#include <asm/pte-walk.h> + #include <trace/events/thp.h> @@ -207,8 +209,8 @@ void __flush_hash_table_range(struct mm_struct *mm, unsigned long start, local_irq_save(flags); arch_enter_lazy_mmu_mode(); for (; start < end; start += PAGE_SIZE) { - pte_t *ptep = find_linux_pte_or_hugepte(mm->pgd, start, &is_thp, - &hugepage_shift); + pte_t *ptep = find_current_mm_pte(mm->pgd, start, &is_thp, + &hugepage_shift); unsigned long pte; if (ptep == NULL) diff --git a/arch/powerpc/mm/tlb_nohash_low.S b/arch/powerpc/mm/tlb_nohash_low.S index eabecfcaef7c..048b8e9f4492 100644 --- a/arch/powerpc/mm/tlb_nohash_low.S +++ b/arch/powerpc/mm/tlb_nohash_low.S @@ -60,7 +60,7 @@ _GLOBAL(__tlbil_va) isync 1: blr -#elif defined(CONFIG_8xx) +#elif defined(CONFIG_PPC_8xx) /* * Nothing to do for 8xx, everything is inline diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c index 861c5af1c9c4..6ba5d253e857 100644 --- a/arch/powerpc/net/bpf_jit_comp64.c +++ b/arch/powerpc/net/bpf_jit_comp64.c @@ -25,11 +25,7 @@ int bpf_jit_enable __read_mostly; static void bpf_jit_fill_ill_insns(void *area, unsigned int size) { - int *p = area; - - /* Fill whole space with trap instructions */ - while (p < (int *)((char *)area + size)) - *p++ = BREAKPOINT_INSTRUCTION; + memset32(area, BREAKPOINT_INSTRUCTION, size/4); } static inline void bpf_flush_icache(void *start, void *end) diff --git a/arch/powerpc/perf/Makefile b/arch/powerpc/perf/Makefile index 4d606b99a5cb..3f3a5ce66495 100644 --- a/arch/powerpc/perf/Makefile +++ b/arch/powerpc/perf/Makefile @@ -8,6 +8,7 @@ obj64-$(CONFIG_PPC_PERF_CTRS) += power4-pmu.o ppc970-pmu.o power5-pmu.o \ isa207-common.o power8-pmu.o power9-pmu.o obj32-$(CONFIG_PPC_PERF_CTRS) += mpc7450-pmu.o +obj-$(CONFIG_PPC_POWERNV) += imc-pmu.o obj-$(CONFIG_FSL_EMB_PERF_EVENT) += core-fsl-emb.o obj-$(CONFIG_FSL_EMB_PERF_EVENT_E500) += e500-pmu.o e6500-pmu.o diff --git a/arch/powerpc/perf/callchain.c b/arch/powerpc/perf/callchain.c index 0fc26714780a..0af051a1974e 100644 --- a/arch/powerpc/perf/callchain.c +++ b/arch/powerpc/perf/callchain.c @@ -22,6 +22,7 @@ #ifdef CONFIG_PPC64 #include "../kernel/ppc32.h" #endif +#include <asm/pte-walk.h> /* @@ -127,7 +128,7 @@ static int read_user_stack_slow(void __user *ptr, void *buf, int nb) return -EFAULT; local_irq_save(flags); - ptep = find_linux_pte_or_hugepte(pgdir, addr, NULL, &shift); + ptep = find_current_mm_pte(pgdir, addr, NULL, &shift); if (!ptep) goto err_out; if (!shift) diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c new file mode 100644 index 000000000000..9ccac86f3463 --- /dev/null +++ b/arch/powerpc/perf/imc-pmu.c @@ -0,0 +1,1306 @@ +/* + * In-Memory Collection (IMC) Performance Monitor counter support. + * + * Copyright (C) 2017 Madhavan Srinivasan, IBM Corporation. + * (C) 2017 Anju T Sudhakar, IBM Corporation. + * (C) 2017 Hemant K Shaw, IBM Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or later version. + */ +#include <linux/perf_event.h> +#include <linux/slab.h> +#include <asm/opal.h> +#include <asm/imc-pmu.h> +#include <asm/cputhreads.h> +#include <asm/smp.h> +#include <linux/string.h> + +/* Nest IMC data structures and variables */ + +/* + * Used to avoid races in counting the nest-pmu units during hotplug + * register and unregister + */ +static DEFINE_MUTEX(nest_init_lock); +static DEFINE_PER_CPU(struct imc_pmu_ref *, local_nest_imc_refc); +static struct imc_pmu *per_nest_pmu_arr[IMC_MAX_PMUS]; +static cpumask_t nest_imc_cpumask; +struct imc_pmu_ref *nest_imc_refc; +static int nest_pmus; + +/* Core IMC data structures and variables */ + +static cpumask_t core_imc_cpumask; +struct imc_pmu_ref *core_imc_refc; +static struct imc_pmu *core_imc_pmu; + +/* Thread IMC data structures and variables */ + +static DEFINE_PER_CPU(u64 *, thread_imc_mem); +static struct imc_pmu *thread_imc_pmu; +static int thread_imc_mem_size; + +struct imc_pmu *imc_event_to_pmu(struct perf_event *event) +{ + return container_of(event->pmu, struct imc_pmu, pmu); +} + +PMU_FORMAT_ATTR(event, "config:0-40"); +PMU_FORMAT_ATTR(offset, "config:0-31"); +PMU_FORMAT_ATTR(rvalue, "config:32"); +PMU_FORMAT_ATTR(mode, "config:33-40"); +static struct attribute *imc_format_attrs[] = { + &format_attr_event.attr, + &format_attr_offset.attr, + &format_attr_rvalue.attr, + &format_attr_mode.attr, + NULL, +}; + +static struct attribute_group imc_format_group = { + .name = "format", + .attrs = imc_format_attrs, +}; + +/* Get the cpumask printed to a buffer "buf" */ +static ssize_t imc_pmu_cpumask_get_attr(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct pmu *pmu = dev_get_drvdata(dev); + struct imc_pmu *imc_pmu = container_of(pmu, struct imc_pmu, pmu); + cpumask_t *active_mask; + + switch(imc_pmu->domain){ + case IMC_DOMAIN_NEST: + active_mask = &nest_imc_cpumask; + break; + case IMC_DOMAIN_CORE: + active_mask = &core_imc_cpumask; + break; + default: + return 0; + } + + return cpumap_print_to_pagebuf(true, buf, active_mask); +} + +static DEVICE_ATTR(cpumask, S_IRUGO, imc_pmu_cpumask_get_attr, NULL); + +static struct attribute *imc_pmu_cpumask_attrs[] = { + &dev_attr_cpumask.attr, + NULL, +}; + +static struct attribute_group imc_pmu_cpumask_attr_group = { + .attrs = imc_pmu_cpumask_attrs, +}; + +/* device_str_attr_create : Populate event "name" and string "str" in attribute */ +static struct attribute *device_str_attr_create(const char *name, const char *str) +{ + struct perf_pmu_events_attr *attr; + + attr = kzalloc(sizeof(*attr), GFP_KERNEL); + if (!attr) + return NULL; + sysfs_attr_init(&attr->attr.attr); + + attr->event_str = str; + attr->attr.attr.name = name; + attr->attr.attr.mode = 0444; + attr->attr.show = perf_event_sysfs_show; + + return &attr->attr.attr; +} + +struct imc_events *imc_parse_event(struct device_node *np, const char *scale, + const char *unit, const char *prefix, u32 base) +{ + struct imc_events *event; + const char *s; + u32 reg; + + event = kzalloc(sizeof(struct imc_events), GFP_KERNEL); + if (!event) + return NULL; + + if (of_property_read_u32(np, "reg", ®)) + goto error; + /* Add the base_reg value to the "reg" */ + event->value = base + reg; + + if (of_property_read_string(np, "event-name", &s)) + goto error; + + event->name = kasprintf(GFP_KERNEL, "%s%s", prefix, s); + if (!event->name) + goto error; + + if (of_property_read_string(np, "scale", &s)) + s = scale; + + if (s) { + event->scale = kstrdup(s, GFP_KERNEL); + if (!event->scale) + goto error; + } + + if (of_property_read_string(np, "unit", &s)) + s = unit; + + if (s) { + event->unit = kstrdup(s, GFP_KERNEL); + if (!event->unit) + goto error; + } + + return event; +error: + kfree(event->unit); + kfree(event->scale); + kfree(event->name); + kfree(event); + + return NULL; +} + +/* + * update_events_in_group: Update the "events" information in an attr_group + * and assign the attr_group to the pmu "pmu". + */ +static int update_events_in_group(struct device_node *node, struct imc_pmu *pmu) +{ + struct attribute_group *attr_group; + struct attribute **attrs, *dev_str; + struct device_node *np, *pmu_events; + struct imc_events *ev; + u32 handle, base_reg; + int i=0, j=0, ct; + const char *prefix, *g_scale, *g_unit; + const char *ev_val_str, *ev_scale_str, *ev_unit_str; + + if (!of_property_read_u32(node, "events", &handle)) + pmu_events = of_find_node_by_phandle(handle); + else + return 0; + + /* Did not find any node with a given phandle */ + if (!pmu_events) + return 0; + + /* Get a count of number of child nodes */ + ct = of_get_child_count(pmu_events); + + /* Get the event prefix */ + if (of_property_read_string(node, "events-prefix", &prefix)) + return 0; + + /* Get a global unit and scale data if available */ + if (of_property_read_string(node, "scale", &g_scale)) + g_scale = NULL; + + if (of_property_read_string(node, "unit", &g_unit)) + g_unit = NULL; + + /* "reg" property gives out the base offset of the counters data */ + of_property_read_u32(node, "reg", &base_reg); + + /* Allocate memory for the events */ + pmu->events = kcalloc(ct, sizeof(struct imc_events), GFP_KERNEL); + if (!pmu->events) + return -ENOMEM; + + ct = 0; + /* Parse the events and update the struct */ + for_each_child_of_node(pmu_events, np) { + ev = imc_parse_event(np, g_scale, g_unit, prefix, base_reg); + if (ev) + pmu->events[ct++] = ev; + } + + /* Allocate memory for attribute group */ + attr_group = kzalloc(sizeof(*attr_group), GFP_KERNEL); + if (!attr_group) + return -ENOMEM; + + /* + * Allocate memory for attributes. + * Since we have count of events for this pmu, we also allocate + * memory for the scale and unit attribute for now. + * "ct" has the total event structs added from the events-parent node. + * So allocate three times the "ct" (this includes event, event_scale and + * event_unit). + */ + attrs = kcalloc(((ct * 3) + 1), sizeof(struct attribute *), GFP_KERNEL); + if (!attrs) { + kfree(attr_group); + kfree(pmu->events); + return -ENOMEM; + } + + attr_group->name = "events"; + attr_group->attrs = attrs; + do { + ev_val_str = kasprintf(GFP_KERNEL, "event=0x%x", pmu->events[i]->value); + dev_str = device_str_attr_create(pmu->events[i]->name, ev_val_str); + if (!dev_str) + continue; + + attrs[j++] = dev_str; + if (pmu->events[i]->scale) { + ev_scale_str = kasprintf(GFP_KERNEL, "%s.scale",pmu->events[i]->name); + dev_str = device_str_attr_create(ev_scale_str, pmu->events[i]->scale); + if (!dev_str) + continue; + + attrs[j++] = dev_str; + } + + if (pmu->events[i]->unit) { + ev_unit_str = kasprintf(GFP_KERNEL, "%s.unit",pmu->events[i]->name); + dev_str = device_str_attr_create(ev_unit_str, pmu->events[i]->unit); + if (!dev_str) + continue; + + attrs[j++] = dev_str; + } + } while (++i < ct); + + /* Save the event attribute */ + pmu->attr_groups[IMC_EVENT_ATTR] = attr_group; + + kfree(pmu->events); + return 0; +} + +/* get_nest_pmu_ref: Return the imc_pmu_ref struct for the given node */ +static struct imc_pmu_ref *get_nest_pmu_ref(int cpu) +{ + return per_cpu(local_nest_imc_refc, cpu); +} + +static void nest_change_cpu_context(int old_cpu, int new_cpu) +{ + struct imc_pmu **pn = per_nest_pmu_arr; + int i; + + if (old_cpu < 0 || new_cpu < 0) + return; + + for (i = 0; *pn && i < IMC_MAX_PMUS; i++, pn++) + perf_pmu_migrate_context(&(*pn)->pmu, old_cpu, new_cpu); +} + +static int ppc_nest_imc_cpu_offline(unsigned int cpu) +{ + int nid, target = -1; + const struct cpumask *l_cpumask; + struct imc_pmu_ref *ref; + + /* + * Check in the designated list for this cpu. Dont bother + * if not one of them. + */ + if (!cpumask_test_and_clear_cpu(cpu, &nest_imc_cpumask)) + return 0; + + /* + * Now that this cpu is one of the designated, + * find a next cpu a) which is online and b) in same chip. + */ + nid = cpu_to_node(cpu); + l_cpumask = cpumask_of_node(nid); + target = cpumask_any_but(l_cpumask, cpu); + + /* + * Update the cpumask with the target cpu and + * migrate the context if needed + */ + if (target >= 0 && target < nr_cpu_ids) { + cpumask_set_cpu(target, &nest_imc_cpumask); + nest_change_cpu_context(cpu, target); + } else { + opal_imc_counters_stop(OPAL_IMC_COUNTERS_NEST, + get_hard_smp_processor_id(cpu)); + /* + * If this is the last cpu in this chip then, skip the reference + * count mutex lock and make the reference count on this chip zero. + */ + ref = get_nest_pmu_ref(cpu); + if (!ref) + return -EINVAL; + + ref->refc = 0; + } + return 0; +} + +static int ppc_nest_imc_cpu_online(unsigned int cpu) +{ + const struct cpumask *l_cpumask; + static struct cpumask tmp_mask; + int res; + + /* Get the cpumask of this node */ + l_cpumask = cpumask_of_node(cpu_to_node(cpu)); + + /* + * If this is not the first online CPU on this node, then + * just return. + */ + if (cpumask_and(&tmp_mask, l_cpumask, &nest_imc_cpumask)) + return 0; + + /* + * If this is the first online cpu on this node + * disable the nest counters by making an OPAL call. + */ + res = opal_imc_counters_stop(OPAL_IMC_COUNTERS_NEST, + get_hard_smp_processor_id(cpu)); + if (res) + return res; + + /* Make this CPU the designated target for counter collection */ + cpumask_set_cpu(cpu, &nest_imc_cpumask); + return 0; +} + +static int nest_pmu_cpumask_init(void) +{ + return cpuhp_setup_state(CPUHP_AP_PERF_POWERPC_NEST_IMC_ONLINE, + "perf/powerpc/imc:online", + ppc_nest_imc_cpu_online, + ppc_nest_imc_cpu_offline); +} + +static void nest_imc_counters_release(struct perf_event *event) +{ + int rc, node_id; + struct imc_pmu_ref *ref; + + if (event->cpu < 0) + return; + + node_id = cpu_to_node(event->cpu); + + /* + * See if we need to disable the nest PMU. + * If no events are currently in use, then we have to take a + * mutex to ensure that we don't race with another task doing + * enable or disable the nest counters. + */ + ref = get_nest_pmu_ref(event->cpu); + if (!ref) + return; + + /* Take the mutex lock for this node and then decrement the reference count */ + mutex_lock(&ref->lock); + ref->refc--; + if (ref->refc == 0) { + rc = opal_imc_counters_stop(OPAL_IMC_COUNTERS_NEST, + get_hard_smp_processor_id(event->cpu)); + if (rc) { + mutex_unlock(&ref->lock); + pr_err("nest-imc: Unable to stop the counters for core %d\n", node_id); + return; + } + } else if (ref->refc < 0) { + WARN(1, "nest-imc: Invalid event reference count\n"); + ref->refc = 0; + } + mutex_unlock(&ref->lock); +} + +static int nest_imc_event_init(struct perf_event *event) +{ + int chip_id, rc, node_id; + u32 l_config, config = event->attr.config; + struct imc_mem_info *pcni; + struct imc_pmu *pmu; + struct imc_pmu_ref *ref; + bool flag = false; + + if (event->attr.type != event->pmu->type) + return -ENOENT; + + /* Sampling not supported */ + if (event->hw.sample_period) + return -EINVAL; + + /* unsupported modes and filters */ + if (event->attr.exclude_user || + event->attr.exclude_kernel || + event->attr.exclude_hv || + event->attr.exclude_idle || + event->attr.exclude_host || + event->attr.exclude_guest) + return -EINVAL; + + if (event->cpu < 0) + return -EINVAL; + + pmu = imc_event_to_pmu(event); + + /* Sanity check for config (event offset) */ + if ((config & IMC_EVENT_OFFSET_MASK) > pmu->counter_mem_size) + return -EINVAL; + + /* + * Nest HW counter memory resides in a per-chip reserve-memory (HOMER). + * Get the base memory addresss for this cpu. + */ + chip_id = topology_physical_package_id(event->cpu); + pcni = pmu->mem_info; + do { + if (pcni->id == chip_id) { + flag = true; + break; + } + pcni++; + } while (pcni); + + if (!flag) + return -ENODEV; + + /* + * Add the event offset to the base address. + */ + l_config = config & IMC_EVENT_OFFSET_MASK; + event->hw.event_base = (u64)pcni->vbase + l_config; + node_id = cpu_to_node(event->cpu); + + /* + * Get the imc_pmu_ref struct for this node. + * Take the mutex lock and then increment the count of nest pmu events + * inited. + */ + ref = get_nest_pmu_ref(event->cpu); + if (!ref) + return -EINVAL; + + mutex_lock(&ref->lock); + if (ref->refc == 0) { + rc = opal_imc_counters_start(OPAL_IMC_COUNTERS_NEST, + get_hard_smp_processor_id(event->cpu)); + if (rc) { + mutex_unlock(&ref->lock); + pr_err("nest-imc: Unable to start the counters for node %d\n", + node_id); + return rc; + } + } + ++ref->refc; + mutex_unlock(&ref->lock); + + event->destroy = nest_imc_counters_release; + return 0; +} + +/* + * core_imc_mem_init : Initializes memory for the current core. + * + * Uses alloc_pages_node() and uses the returned address as an argument to + * an opal call to configure the pdbar. The address sent as an argument is + * converted to physical address before the opal call is made. This is the + * base address at which the core imc counters are populated. + */ +static int core_imc_mem_init(int cpu, int size) +{ + int phys_id, rc = 0, core_id = (cpu / threads_per_core); + struct imc_mem_info *mem_info; + + /* + * alloc_pages_node() will allocate memory for core in the + * local node only. + */ + phys_id = topology_physical_package_id(cpu); + mem_info = &core_imc_pmu->mem_info[core_id]; + mem_info->id = core_id; + + /* We need only vbase for core counters */ + mem_info->vbase = page_address(alloc_pages_node(phys_id, + GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE, + get_order(size))); + if (!mem_info->vbase) + return -ENOMEM; + + /* Init the mutex */ + core_imc_refc[core_id].id = core_id; + mutex_init(&core_imc_refc[core_id].lock); + + rc = opal_imc_counters_init(OPAL_IMC_COUNTERS_CORE, + __pa((void *)mem_info->vbase), + get_hard_smp_processor_id(cpu)); + if (rc) { + free_pages((u64)mem_info->vbase, get_order(size)); + mem_info->vbase = NULL; + } + + return rc; +} + +static bool is_core_imc_mem_inited(int cpu) +{ + struct imc_mem_info *mem_info; + int core_id = (cpu / threads_per_core); + + mem_info = &core_imc_pmu->mem_info[core_id]; + if (!mem_info->vbase) + return false; + + return true; +} + +static int ppc_core_imc_cpu_online(unsigned int cpu) +{ + const struct cpumask *l_cpumask; + static struct cpumask tmp_mask; + int ret = 0; + + /* Get the cpumask for this core */ + l_cpumask = cpu_sibling_mask(cpu); + + /* If a cpu for this core is already set, then, don't do anything */ + if (cpumask_and(&tmp_mask, l_cpumask, &core_imc_cpumask)) + return 0; + + if (!is_core_imc_mem_inited(cpu)) { + ret = core_imc_mem_init(cpu, core_imc_pmu->counter_mem_size); + if (ret) { + pr_info("core_imc memory allocation for cpu %d failed\n", cpu); + return ret; + } + } + + /* set the cpu in the mask */ + cpumask_set_cpu(cpu, &core_imc_cpumask); + return 0; +} + +static int ppc_core_imc_cpu_offline(unsigned int cpu) +{ + unsigned int ncpu, core_id; + struct imc_pmu_ref *ref; + + /* + * clear this cpu out of the mask, if not present in the mask, + * don't bother doing anything. + */ + if (!cpumask_test_and_clear_cpu(cpu, &core_imc_cpumask)) + return 0; + + /* Find any online cpu in that core except the current "cpu" */ + ncpu = cpumask_any_but(cpu_sibling_mask(cpu), cpu); + + if (ncpu >= 0 && ncpu < nr_cpu_ids) { + cpumask_set_cpu(ncpu, &core_imc_cpumask); + perf_pmu_migrate_context(&core_imc_pmu->pmu, cpu, ncpu); + } else { + /* + * If this is the last cpu in this core then, skip taking refernce + * count mutex lock for this core and directly zero "refc" for + * this core. + */ + opal_imc_counters_stop(OPAL_IMC_COUNTERS_CORE, + get_hard_smp_processor_id(cpu)); + core_id = cpu / threads_per_core; + ref = &core_imc_refc[core_id]; + if (!ref) + return -EINVAL; + + ref->refc = 0; + } + return 0; +} + +static int core_imc_pmu_cpumask_init(void) +{ + return cpuhp_setup_state(CPUHP_AP_PERF_POWERPC_CORE_IMC_ONLINE, + "perf/powerpc/imc_core:online", + ppc_core_imc_cpu_online, + ppc_core_imc_cpu_offline); +} + +static void core_imc_counters_release(struct perf_event *event) +{ + int rc, core_id; + struct imc_pmu_ref *ref; + + if (event->cpu < 0) + return; + /* + * See if we need to disable the IMC PMU. + * If no events are currently in use, then we have to take a + * mutex to ensure that we don't race with another task doing + * enable or disable the core counters. + */ + core_id = event->cpu / threads_per_core; + + /* Take the mutex lock and decrement the refernce count for this core */ + ref = &core_imc_refc[core_id]; + if (!ref) + return; + + mutex_lock(&ref->lock); + ref->refc--; + if (ref->refc == 0) { + rc = opal_imc_counters_stop(OPAL_IMC_COUNTERS_CORE, + get_hard_smp_processor_id(event->cpu)); + if (rc) { + mutex_unlock(&ref->lock); + pr_err("IMC: Unable to stop the counters for core %d\n", core_id); + return; + } + } else if (ref->refc < 0) { + WARN(1, "core-imc: Invalid event reference count\n"); + ref->refc = 0; + } + mutex_unlock(&ref->lock); +} + +static int core_imc_event_init(struct perf_event *event) +{ + int core_id, rc; + u64 config = event->attr.config; + struct imc_mem_info *pcmi; + struct imc_pmu *pmu; + struct imc_pmu_ref *ref; + + if (event->attr.type != event->pmu->type) + return -ENOENT; + + /* Sampling not supported */ + if (event->hw.sample_period) + return -EINVAL; + + /* unsupported modes and filters */ + if (event->attr.exclude_user || + event->attr.exclude_kernel || + event->attr.exclude_hv || + event->attr.exclude_idle || + event->attr.exclude_host || + event->attr.exclude_guest) + return -EINVAL; + + if (event->cpu < 0) + return -EINVAL; + + event->hw.idx = -1; + pmu = imc_event_to_pmu(event); + + /* Sanity check for config (event offset) */ + if (((config & IMC_EVENT_OFFSET_MASK) > pmu->counter_mem_size)) + return -EINVAL; + + if (!is_core_imc_mem_inited(event->cpu)) + return -ENODEV; + + core_id = event->cpu / threads_per_core; + pcmi = &core_imc_pmu->mem_info[core_id]; + if ((!pcmi->vbase)) + return -ENODEV; + + /* Get the core_imc mutex for this core */ + ref = &core_imc_refc[core_id]; + if (!ref) + return -EINVAL; + + /* + * Core pmu units are enabled only when it is used. + * See if this is triggered for the first time. + * If yes, take the mutex lock and enable the core counters. + * If not, just increment the count in core_imc_refc struct. + */ + mutex_lock(&ref->lock); + if (ref->refc == 0) { + rc = opal_imc_counters_start(OPAL_IMC_COUNTERS_CORE, + get_hard_smp_processor_id(event->cpu)); + if (rc) { + mutex_unlock(&ref->lock); + pr_err("core-imc: Unable to start the counters for core %d\n", + core_id); + return rc; + } + } + ++ref->refc; + mutex_unlock(&ref->lock); + + event->hw.event_base = (u64)pcmi->vbase + (config & IMC_EVENT_OFFSET_MASK); + event->destroy = core_imc_counters_release; + return 0; +} + +/* + * Allocates a page of memory for each of the online cpus, and write the + * physical base address of that page to the LDBAR for that cpu. + * + * LDBAR Register Layout: + * + * 0 4 8 12 16 20 24 28 + * | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | + * | | [ ] [ Counter Address [8:50] + * | * Mode | + * | * PB Scope + * * Enable/Disable + * + * 32 36 40 44 48 52 56 60 + * | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | + * Counter Address [8:50] ] + * + */ +static int thread_imc_mem_alloc(int cpu_id, int size) +{ + u64 ldbar_value, *local_mem = per_cpu(thread_imc_mem, cpu_id); + int phys_id = topology_physical_package_id(cpu_id); + + if (!local_mem) { + /* + * This case could happen only once at start, since we dont + * free the memory in cpu offline path. + */ + local_mem = page_address(alloc_pages_node(phys_id, + GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE, + get_order(size))); + if (!local_mem) + return -ENOMEM; + + per_cpu(thread_imc_mem, cpu_id) = local_mem; + } + + ldbar_value = ((u64)local_mem & THREAD_IMC_LDBAR_MASK) | THREAD_IMC_ENABLE; + + mtspr(SPRN_LDBAR, ldbar_value); + return 0; +} + +static int ppc_thread_imc_cpu_online(unsigned int cpu) +{ + return thread_imc_mem_alloc(cpu, thread_imc_mem_size); +} + +static int ppc_thread_imc_cpu_offline(unsigned int cpu) +{ + mtspr(SPRN_LDBAR, 0); + return 0; +} + +static int thread_imc_cpu_init(void) +{ + return cpuhp_setup_state(CPUHP_AP_PERF_POWERPC_THREAD_IMC_ONLINE, + "perf/powerpc/imc_thread:online", + ppc_thread_imc_cpu_online, + ppc_thread_imc_cpu_offline); +} + +void thread_imc_pmu_sched_task(struct perf_event_context *ctx, + bool sched_in) +{ + int core_id; + struct imc_pmu_ref *ref; + + if (!is_core_imc_mem_inited(smp_processor_id())) + return; + + core_id = smp_processor_id() / threads_per_core; + /* + * imc pmus are enabled only when it is used. + * See if this is triggered for the first time. + * If yes, take the mutex lock and enable the counters. + * If not, just increment the count in ref count struct. + */ + ref = &core_imc_refc[core_id]; + if (!ref) + return; + + if (sched_in) { + mutex_lock(&ref->lock); + if (ref->refc == 0) { + if (opal_imc_counters_start(OPAL_IMC_COUNTERS_CORE, + get_hard_smp_processor_id(smp_processor_id()))) { + mutex_unlock(&ref->lock); + pr_err("thread-imc: Unable to start the counter\ + for core %d\n", core_id); + return; + } + } + ++ref->refc; + mutex_unlock(&ref->lock); + } else { + mutex_lock(&ref->lock); + ref->refc--; + if (ref->refc == 0) { + if (opal_imc_counters_stop(OPAL_IMC_COUNTERS_CORE, + get_hard_smp_processor_id(smp_processor_id()))) { + mutex_unlock(&ref->lock); + pr_err("thread-imc: Unable to stop the counters\ + for core %d\n", core_id); + return; + } + } else if (ref->refc < 0) { + ref->refc = 0; + } + mutex_unlock(&ref->lock); + } + + return; +} + +static int thread_imc_event_init(struct perf_event *event) +{ + u32 config = event->attr.config; + struct task_struct *target; + struct imc_pmu *pmu; + + if (event->attr.type != event->pmu->type) + return -ENOENT; + + /* Sampling not supported */ + if (event->hw.sample_period) + return -EINVAL; + + event->hw.idx = -1; + pmu = imc_event_to_pmu(event); + + /* Sanity check for config offset */ + if (((config & IMC_EVENT_OFFSET_MASK) > pmu->counter_mem_size)) + return -EINVAL; + + target = event->hw.target; + if (!target) + return -EINVAL; + + event->pmu->task_ctx_nr = perf_sw_context; + return 0; +} + +static bool is_thread_imc_pmu(struct perf_event *event) +{ + if (!strncmp(event->pmu->name, "thread_imc", strlen("thread_imc"))) + return true; + + return false; +} + +static u64 * get_event_base_addr(struct perf_event *event) +{ + u64 addr; + + if (is_thread_imc_pmu(event)) { + addr = (u64)per_cpu(thread_imc_mem, smp_processor_id()); + return (u64 *)(addr + (event->attr.config & IMC_EVENT_OFFSET_MASK)); + } + + return (u64 *)event->hw.event_base; +} + +static void thread_imc_pmu_start_txn(struct pmu *pmu, + unsigned int txn_flags) +{ + if (txn_flags & ~PERF_PMU_TXN_ADD) + return; + perf_pmu_disable(pmu); +} + +static void thread_imc_pmu_cancel_txn(struct pmu *pmu) +{ + perf_pmu_enable(pmu); +} + +static int thread_imc_pmu_commit_txn(struct pmu *pmu) +{ + perf_pmu_enable(pmu); + return 0; +} + +static u64 imc_read_counter(struct perf_event *event) +{ + u64 *addr, data; + + /* + * In-Memory Collection (IMC) counters are free flowing counters. + * So we take a snapshot of the counter value on enable and save it + * to calculate the delta at later stage to present the event counter + * value. + */ + addr = get_event_base_addr(event); + data = be64_to_cpu(READ_ONCE(*addr)); + local64_set(&event->hw.prev_count, data); + + return data; +} + +static void imc_event_update(struct perf_event *event) +{ + u64 counter_prev, counter_new, final_count; + + counter_prev = local64_read(&event->hw.prev_count); + counter_new = imc_read_counter(event); + final_count = counter_new - counter_prev; + + /* Update the delta to the event count */ + local64_add(final_count, &event->count); +} + +static void imc_event_start(struct perf_event *event, int flags) +{ + /* + * In Memory Counters are free flowing counters. HW or the microcode + * keeps adding to the counter offset in memory. To get event + * counter value, we snapshot the value here and we calculate + * delta at later point. + */ + imc_read_counter(event); +} + +static void imc_event_stop(struct perf_event *event, int flags) +{ + /* + * Take a snapshot and calculate the delta and update + * the event counter values. + */ + imc_event_update(event); +} + +static int imc_event_add(struct perf_event *event, int flags) +{ + if (flags & PERF_EF_START) + imc_event_start(event, flags); + + return 0; +} + +static int thread_imc_event_add(struct perf_event *event, int flags) +{ + if (flags & PERF_EF_START) + imc_event_start(event, flags); + + /* Enable the sched_task to start the engine */ + perf_sched_cb_inc(event->ctx->pmu); + return 0; +} + +static void thread_imc_event_del(struct perf_event *event, int flags) +{ + /* + * Take a snapshot and calculate the delta and update + * the event counter values. + */ + imc_event_update(event); + perf_sched_cb_dec(event->ctx->pmu); +} + +/* update_pmu_ops : Populate the appropriate operations for "pmu" */ +static int update_pmu_ops(struct imc_pmu *pmu) +{ + pmu->pmu.task_ctx_nr = perf_invalid_context; + pmu->pmu.add = imc_event_add; + pmu->pmu.del = imc_event_stop; + pmu->pmu.start = imc_event_start; + pmu->pmu.stop = imc_event_stop; + pmu->pmu.read = imc_event_update; + pmu->pmu.attr_groups = pmu->attr_groups; + pmu->attr_groups[IMC_FORMAT_ATTR] = &imc_format_group; + + switch (pmu->domain) { + case IMC_DOMAIN_NEST: + pmu->pmu.event_init = nest_imc_event_init; + pmu->attr_groups[IMC_CPUMASK_ATTR] = &imc_pmu_cpumask_attr_group; + break; + case IMC_DOMAIN_CORE: + pmu->pmu.event_init = core_imc_event_init; + pmu->attr_groups[IMC_CPUMASK_ATTR] = &imc_pmu_cpumask_attr_group; + break; + case IMC_DOMAIN_THREAD: + pmu->pmu.event_init = thread_imc_event_init; + pmu->pmu.sched_task = thread_imc_pmu_sched_task; + pmu->pmu.add = thread_imc_event_add; + pmu->pmu.del = thread_imc_event_del; + pmu->pmu.start_txn = thread_imc_pmu_start_txn; + pmu->pmu.cancel_txn = thread_imc_pmu_cancel_txn; + pmu->pmu.commit_txn = thread_imc_pmu_commit_txn; + break; + default: + break; + } + + return 0; +} + +/* init_nest_pmu_ref: Initialize the imc_pmu_ref struct for all the nodes */ +static int init_nest_pmu_ref(void) +{ + int nid, i, cpu; + + nest_imc_refc = kcalloc(num_possible_nodes(), sizeof(*nest_imc_refc), + GFP_KERNEL); + + if (!nest_imc_refc) + return -ENOMEM; + + i = 0; + for_each_node(nid) { + /* + * Mutex lock to avoid races while tracking the number of + * sessions using the chip's nest pmu units. + */ + mutex_init(&nest_imc_refc[i].lock); + + /* + * Loop to init the "id" with the node_id. Variable "i" initialized to + * 0 and will be used as index to the array. "i" will not go off the + * end of the array since the "for_each_node" loops for "N_POSSIBLE" + * nodes only. + */ + nest_imc_refc[i++].id = nid; + } + + /* + * Loop to init the per_cpu "local_nest_imc_refc" with the proper + * "nest_imc_refc" index. This makes get_nest_pmu_ref() alot simple. + */ + for_each_possible_cpu(cpu) { + nid = cpu_to_node(cpu); + for (i = 0; i < num_possible_nodes(); i++) { + if (nest_imc_refc[i].id == nid) { + per_cpu(local_nest_imc_refc, cpu) = &nest_imc_refc[i]; + break; + } + } + } + return 0; +} + +static void cleanup_all_core_imc_memory(void) +{ + int i, nr_cores = num_present_cpus() / threads_per_core; + struct imc_mem_info *ptr = core_imc_pmu->mem_info; + int size = core_imc_pmu->counter_mem_size; + + /* mem_info will never be NULL */ + for (i = 0; i < nr_cores; i++) { + if (ptr[i].vbase) + free_pages((u64)ptr->vbase, get_order(size)); + } + + kfree(ptr); + kfree(core_imc_refc); +} + +static void thread_imc_ldbar_disable(void *dummy) +{ + /* + * By Zeroing LDBAR, we disable thread-imc + * updates. + */ + mtspr(SPRN_LDBAR, 0); +} + +void thread_imc_disable(void) +{ + on_each_cpu(thread_imc_ldbar_disable, NULL, 1); +} + +static void cleanup_all_thread_imc_memory(void) +{ + int i, order = get_order(thread_imc_mem_size); + + for_each_online_cpu(i) { + if (per_cpu(thread_imc_mem, i)) + free_pages((u64)per_cpu(thread_imc_mem, i), order); + + } +} + +/* + * Common function to unregister cpu hotplug callback and + * free the memory. + * TODO: Need to handle pmu unregistering, which will be + * done in followup series. + */ +static void imc_common_cpuhp_mem_free(struct imc_pmu *pmu_ptr) +{ + if (pmu_ptr->domain == IMC_DOMAIN_NEST) { + mutex_lock(&nest_init_lock); + if (nest_pmus == 1) { + cpuhp_remove_state(CPUHP_AP_PERF_POWERPC_NEST_IMC_ONLINE); + kfree(nest_imc_refc); + } + + if (nest_pmus > 0) + nest_pmus--; + mutex_unlock(&nest_init_lock); + } + + /* Free core_imc memory */ + if (pmu_ptr->domain == IMC_DOMAIN_CORE) { + cpuhp_remove_state(CPUHP_AP_PERF_POWERPC_CORE_IMC_ONLINE); + cleanup_all_core_imc_memory(); + } + + /* Free thread_imc memory */ + if (pmu_ptr->domain == IMC_DOMAIN_THREAD) { + cpuhp_remove_state(CPUHP_AP_PERF_POWERPC_THREAD_IMC_ONLINE); + cleanup_all_thread_imc_memory(); + } + + /* Only free the attr_groups which are dynamically allocated */ + kfree(pmu_ptr->attr_groups[IMC_EVENT_ATTR]->attrs); + kfree(pmu_ptr->attr_groups[IMC_EVENT_ATTR]); + kfree(pmu_ptr); + return; +} + + +/* + * imc_mem_init : Function to support memory allocation for core imc. + */ +static int imc_mem_init(struct imc_pmu *pmu_ptr, struct device_node *parent, + int pmu_index) +{ + const char *s; + int nr_cores, cpu, res; + + if (of_property_read_string(parent, "name", &s)) + return -ENODEV; + + switch (pmu_ptr->domain) { + case IMC_DOMAIN_NEST: + /* Update the pmu name */ + pmu_ptr->pmu.name = kasprintf(GFP_KERNEL, "%s%s_imc", "nest_", s); + if (!pmu_ptr->pmu.name) + return -ENOMEM; + + /* Needed for hotplug/migration */ + per_nest_pmu_arr[pmu_index] = pmu_ptr; + break; + case IMC_DOMAIN_CORE: + /* Update the pmu name */ + pmu_ptr->pmu.name = kasprintf(GFP_KERNEL, "%s%s", s, "_imc"); + if (!pmu_ptr->pmu.name) + return -ENOMEM; + + nr_cores = num_present_cpus() / threads_per_core; + pmu_ptr->mem_info = kcalloc(nr_cores, sizeof(struct imc_mem_info), + GFP_KERNEL); + + if (!pmu_ptr->mem_info) + return -ENOMEM; + + core_imc_refc = kcalloc(nr_cores, sizeof(struct imc_pmu_ref), + GFP_KERNEL); + + if (!core_imc_refc) + return -ENOMEM; + + core_imc_pmu = pmu_ptr; + break; + case IMC_DOMAIN_THREAD: + /* Update the pmu name */ + pmu_ptr->pmu.name = kasprintf(GFP_KERNEL, "%s%s", s, "_imc"); + if (!pmu_ptr->pmu.name) + return -ENOMEM; + + thread_imc_mem_size = pmu_ptr->counter_mem_size; + for_each_online_cpu(cpu) { + res = thread_imc_mem_alloc(cpu, pmu_ptr->counter_mem_size); + if (res) + return res; + } + + thread_imc_pmu = pmu_ptr; + break; + default: + return -EINVAL; + } + + return 0; +} + +/* + * init_imc_pmu : Setup and register the IMC pmu device. + * + * @parent: Device tree unit node + * @pmu_ptr: memory allocated for this pmu + * @pmu_idx: Count of nest pmc registered + * + * init_imc_pmu() setup pmu cpumask and registers for a cpu hotplug callback. + * Handles failure cases and accordingly frees memory. + */ +int init_imc_pmu(struct device_node *parent, struct imc_pmu *pmu_ptr, int pmu_idx) +{ + int ret; + + ret = imc_mem_init(pmu_ptr, parent, pmu_idx); + if (ret) + goto err_free; + + switch (pmu_ptr->domain) { + case IMC_DOMAIN_NEST: + /* + * Nest imc pmu need only one cpu per chip, we initialize the + * cpumask for the first nest imc pmu and use the same for the + * rest. To handle the cpuhotplug callback unregister, we track + * the number of nest pmus in "nest_pmus". + */ + mutex_lock(&nest_init_lock); + if (nest_pmus == 0) { + ret = init_nest_pmu_ref(); + if (ret) { + mutex_unlock(&nest_init_lock); + goto err_free; + } + /* Register for cpu hotplug notification. */ + ret = nest_pmu_cpumask_init(); + if (ret) { + mutex_unlock(&nest_init_lock); + goto err_free; + } + } + nest_pmus++; + mutex_unlock(&nest_init_lock); + break; + case IMC_DOMAIN_CORE: + ret = core_imc_pmu_cpumask_init(); + if (ret) { + cleanup_all_core_imc_memory(); + return ret; + } + + break; + case IMC_DOMAIN_THREAD: + ret = thread_imc_cpu_init(); + if (ret) { + cleanup_all_thread_imc_memory(); + return ret; + } + + break; + default: + return -1; /* Unknown domain */ + } + + ret = update_events_in_group(parent, pmu_ptr); + if (ret) + goto err_free; + + ret = update_pmu_ops(pmu_ptr); + if (ret) + goto err_free; + + ret = perf_pmu_register(&pmu_ptr->pmu, pmu_ptr->pmu.name, -1); + if (ret) + goto err_free; + + pr_info("%s performance monitor hardware support registered\n", + pmu_ptr->pmu.name); + + return 0; + +err_free: + imc_common_cpuhp_mem_free(pmu_ptr); + return ret; +} diff --git a/arch/powerpc/perf/isa207-common.c b/arch/powerpc/perf/isa207-common.c index 3f3aa9a7063a..2efee3f196f5 100644 --- a/arch/powerpc/perf/isa207-common.c +++ b/arch/powerpc/perf/isa207-common.c @@ -99,7 +99,7 @@ static void mmcra_sdar_mode(u64 event, unsigned long *mmcra) else if (!cpu_has_feature(CPU_FTR_POWER9_DD1) && p9_SDAR_MODE(event)) *mmcra |= p9_SDAR_MODE(event) << MMCRA_SDAR_MODE_SHIFT; else - *mmcra |= MMCRA_SDAR_MODE_TLB; + *mmcra |= MMCRA_SDAR_MODE_DCACHE; } else *mmcra |= MMCRA_SDAR_MODE_TLB; } @@ -488,8 +488,8 @@ static int find_alternative(u64 event, const unsigned int ev_alt[][MAX_ALT], int return -1; } -int isa207_get_alternatives(u64 event, u64 alt[], - const unsigned int ev_alt[][MAX_ALT], int size) +int isa207_get_alternatives(u64 event, u64 alt[], int size, unsigned int flags, + const unsigned int ev_alt[][MAX_ALT]) { int i, j, num_alt = 0; u64 alt_event; @@ -505,5 +505,30 @@ int isa207_get_alternatives(u64 event, u64 alt[], } } + if (flags & PPMU_ONLY_COUNT_RUN) { + /* + * We're only counting in RUN state, so PM_CYC is equivalent to + * PM_RUN_CYC and PM_INST_CMPL === PM_RUN_INST_CMPL. + */ + j = num_alt; + for (i = 0; i < num_alt; ++i) { + switch (alt[i]) { + case 0x1e: /* PMC_CYC */ + alt[j++] = 0x600f4; /* PM_RUN_CYC */ + break; + case 0x600f4: + alt[j++] = 0x1e; + break; + case 0x2: /* PM_INST_CMPL */ + alt[j++] = 0x500fa; /* PM_RUN_INST_CMPL */ + break; + case 0x500fa: + alt[j++] = 0x2; + break; + } + } + num_alt = j; + } + return num_alt; } diff --git a/arch/powerpc/perf/isa207-common.h b/arch/powerpc/perf/isa207-common.h index 8acbe6e802c7..6c737d675792 100644 --- a/arch/powerpc/perf/isa207-common.h +++ b/arch/powerpc/perf/isa207-common.h @@ -247,6 +247,7 @@ #define MMCRA_SDAR_MODE_SHIFT 42 #define MMCRA_SDAR_MODE_TLB (1ull << MMCRA_SDAR_MODE_SHIFT) #define MMCRA_SDAR_MODE_NO_UPDATES ~(0x3ull << MMCRA_SDAR_MODE_SHIFT) +#define MMCRA_SDAR_MODE_DCACHE (2ull << MMCRA_SDAR_MODE_SHIFT) #define MMCRA_IFM_SHIFT 30 #define MMCRA_THR_CTR_MANT_SHIFT 19 #define MMCRA_THR_CTR_MANT_MASK 0x7Ful @@ -287,8 +288,8 @@ int isa207_compute_mmcr(u64 event[], int n_ev, unsigned int hwc[], unsigned long mmcr[], struct perf_event *pevents[]); void isa207_disable_pmc(unsigned int pmc, unsigned long mmcr[]); -int isa207_get_alternatives(u64 event, u64 alt[], - const unsigned int ev_alt[][MAX_ALT], int size); +int isa207_get_alternatives(u64 event, u64 alt[], int size, unsigned int flags, + const unsigned int ev_alt[][MAX_ALT]); void isa207_get_mem_data_src(union perf_mem_data_src *dsrc, u32 flags, struct pt_regs *regs); void isa207_get_mem_weight(u64 *weight); diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c index 5463516e369b..c9356955cab4 100644 --- a/arch/powerpc/perf/power8-pmu.c +++ b/arch/powerpc/perf/power8-pmu.c @@ -50,34 +50,11 @@ static const unsigned int event_alternatives[][MAX_ALT] = { static int power8_get_alternatives(u64 event, unsigned int flags, u64 alt[]) { - int i, j, num_alt = 0; - - num_alt = isa207_get_alternatives(event, alt, event_alternatives, - (int)ARRAY_SIZE(event_alternatives)); - if (flags & PPMU_ONLY_COUNT_RUN) { - /* - * We're only counting in RUN state, so PM_CYC is equivalent to - * PM_RUN_CYC and PM_INST_CMPL === PM_RUN_INST_CMPL. - */ - j = num_alt; - for (i = 0; i < num_alt; ++i) { - switch (alt[i]) { - case PM_CYC: - alt[j++] = PM_RUN_CYC; - break; - case PM_RUN_CYC: - alt[j++] = PM_CYC; - break; - case PM_INST_CMPL: - alt[j++] = PM_RUN_INST_CMPL; - break; - case PM_RUN_INST_CMPL: - alt[j++] = PM_INST_CMPL; - break; - } - } - num_alt = j; - } + int num_alt = 0; + + num_alt = isa207_get_alternatives(event, alt, + ARRAY_SIZE(event_alternatives), flags, + event_alternatives); return num_alt; } diff --git a/arch/powerpc/perf/power9-events-list.h b/arch/powerpc/perf/power9-events-list.h index 50689180a6c1..e99c6bf4d391 100644 --- a/arch/powerpc/perf/power9-events-list.h +++ b/arch/powerpc/perf/power9-events-list.h @@ -16,13 +16,16 @@ EVENT(PM_CYC, 0x0001e) EVENT(PM_ICT_NOSLOT_CYC, 0x100f8) EVENT(PM_CMPLU_STALL, 0x1e054) EVENT(PM_INST_CMPL, 0x00002) -EVENT(PM_BRU_CMPL, 0x4d05e) +EVENT(PM_BR_CMPL, 0x4d05e) EVENT(PM_BR_MPRED_CMPL, 0x400f6) /* All L1 D cache load references counted at finish, gated by reject */ EVENT(PM_LD_REF_L1, 0x100fc) /* Load Missed L1 */ EVENT(PM_LD_MISS_L1_FIN, 0x2c04e) +EVENT(PM_LD_MISS_L1, 0x3e054) +/* Alternate event code for PM_LD_MISS_L1 */ +EVENT(PM_LD_MISS_L1_ALT, 0x400f0) /* Store Missed L1 */ EVENT(PM_ST_MISS_L1, 0x300f0) /* L1 cache data prefetches */ @@ -62,3 +65,7 @@ EVENT(PM_INST_DISP, 0x200f2) EVENT(PM_INST_DISP_ALT, 0x300f2) /* Alternate Branch event code */ EVENT(PM_BR_CMPL_ALT, 0x10012) +/* Branch event that are not strongly biased */ +EVENT(PM_BR_2PATH, 0x20036) +/* ALternate branch event that are not strongly biased */ +EVENT(PM_BR_2PATH_ALT, 0x40036) diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c index 2280cf87ff9c..24b5b5b7a206 100644 --- a/arch/powerpc/perf/power9-pmu.c +++ b/arch/powerpc/perf/power9-pmu.c @@ -109,14 +109,17 @@ static const unsigned int power9_event_alternatives[][MAX_ALT] = { { PM_INST_DISP, PM_INST_DISP_ALT }, { PM_RUN_CYC_ALT, PM_RUN_CYC }, { PM_RUN_INST_CMPL_ALT, PM_RUN_INST_CMPL }, + { PM_LD_MISS_L1, PM_LD_MISS_L1_ALT }, + { PM_BR_2PATH, PM_BR_2PATH_ALT }, }; static int power9_get_alternatives(u64 event, unsigned int flags, u64 alt[]) { int num_alt = 0; - num_alt = isa207_get_alternatives(event, alt, power9_event_alternatives, - (int)ARRAY_SIZE(power9_event_alternatives)); + num_alt = isa207_get_alternatives(event, alt, + ARRAY_SIZE(power9_event_alternatives), flags, + power9_event_alternatives); return num_alt; } @@ -125,7 +128,7 @@ GENERIC_EVENT_ATTR(cpu-cycles, PM_CYC); GENERIC_EVENT_ATTR(stalled-cycles-frontend, PM_ICT_NOSLOT_CYC); GENERIC_EVENT_ATTR(stalled-cycles-backend, PM_CMPLU_STALL); GENERIC_EVENT_ATTR(instructions, PM_INST_CMPL); -GENERIC_EVENT_ATTR(branch-instructions, PM_BRU_CMPL); +GENERIC_EVENT_ATTR(branch-instructions, PM_BR_CMPL); GENERIC_EVENT_ATTR(branch-misses, PM_BR_MPRED_CMPL); GENERIC_EVENT_ATTR(cache-references, PM_LD_REF_L1); GENERIC_EVENT_ATTR(cache-misses, PM_LD_MISS_L1_FIN); @@ -143,7 +146,7 @@ CACHE_EVENT_ATTR(LLC-prefetches, PM_L3_PREF_ALL); CACHE_EVENT_ATTR(LLC-store-misses, PM_L2_ST_MISS); CACHE_EVENT_ATTR(LLC-stores, PM_L2_ST); CACHE_EVENT_ATTR(branch-load-misses, PM_BR_MPRED_CMPL); -CACHE_EVENT_ATTR(branch-loads, PM_BRU_CMPL); +CACHE_EVENT_ATTR(branch-loads, PM_BR_CMPL); CACHE_EVENT_ATTR(dTLB-load-misses, PM_DTLB_MISS); CACHE_EVENT_ATTR(iTLB-load-misses, PM_ITLB_MISS); @@ -152,7 +155,7 @@ static struct attribute *power9_events_attr[] = { GENERIC_EVENT_PTR(PM_ICT_NOSLOT_CYC), GENERIC_EVENT_PTR(PM_CMPLU_STALL), GENERIC_EVENT_PTR(PM_INST_CMPL), - GENERIC_EVENT_PTR(PM_BRU_CMPL), + GENERIC_EVENT_PTR(PM_BR_CMPL), GENERIC_EVENT_PTR(PM_BR_MPRED_CMPL), GENERIC_EVENT_PTR(PM_LD_REF_L1), GENERIC_EVENT_PTR(PM_LD_MISS_L1_FIN), @@ -169,7 +172,7 @@ static struct attribute *power9_events_attr[] = { CACHE_EVENT_PTR(PM_L2_ST_MISS), CACHE_EVENT_PTR(PM_L2_ST), CACHE_EVENT_PTR(PM_BR_MPRED_CMPL), - CACHE_EVENT_PTR(PM_BRU_CMPL), + CACHE_EVENT_PTR(PM_BR_CMPL), CACHE_EVENT_PTR(PM_DTLB_MISS), CACHE_EVENT_PTR(PM_ITLB_MISS), NULL @@ -244,7 +247,7 @@ static int power9_generic_events[] = { [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = PM_ICT_NOSLOT_CYC, [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = PM_CMPLU_STALL, [PERF_COUNT_HW_INSTRUCTIONS] = PM_INST_CMPL, - [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = PM_BRU_CMPL, + [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = PM_BR_CMPL, [PERF_COUNT_HW_BRANCH_MISSES] = PM_BR_MPRED_CMPL, [PERF_COUNT_HW_CACHE_REFERENCES] = PM_LD_REF_L1, [PERF_COUNT_HW_CACHE_MISSES] = PM_LD_MISS_L1_FIN, @@ -370,7 +373,7 @@ static int power9_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { }, [ C(BPU) ] = { [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = PM_BRU_CMPL, + [ C(RESULT_ACCESS) ] = PM_BR_CMPL, [ C(RESULT_MISS) ] = PM_BR_MPRED_CMPL, }, [ C(OP_WRITE) ] = { @@ -459,8 +462,8 @@ static int __init init_power9_pmu(void) * Power9 DD1 should use PM_BR_CMPL_ALT event code for * "branches" to provide correct counter value. */ - EVENT_VAR(PM_BRU_CMPL, _g).id = PM_BR_CMPL_ALT; - EVENT_VAR(PM_BRU_CMPL, _c).id = PM_BR_CMPL_ALT; + EVENT_VAR(PM_BR_CMPL, _g).id = PM_BR_CMPL_ALT; + EVENT_VAR(PM_BR_CMPL, _c).id = PM_BR_CMPL_ALT; rc = register_power_pmu(&power9_isa207_pmu); } else { rc = register_power_pmu(&power9_pmu); diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile index 72b824160660..2c5651992369 100644 --- a/arch/powerpc/platforms/44x/Makefile +++ b/arch/powerpc/platforms/44x/Makefile @@ -1,6 +1,6 @@ -obj-$(CONFIG_44x) += misc_44x.o +obj-y += misc_44x.o machine_check.o ifneq ($(CONFIG_PPC4xx_CPM),y) -obj-$(CONFIG_44x) += idle.o +obj-y += idle.o endif obj-$(CONFIG_PPC44x_SIMPLE) += ppc44x_simple.o obj-$(CONFIG_EBONY) += ebony.o diff --git a/arch/powerpc/platforms/44x/machine_check.c b/arch/powerpc/platforms/44x/machine_check.c new file mode 100644 index 000000000000..034d70d6d335 --- /dev/null +++ b/arch/powerpc/platforms/44x/machine_check.c @@ -0,0 +1,89 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/printk.h> +#include <linux/ptrace.h> + +#include <asm/reg.h> + +int machine_check_440A(struct pt_regs *regs) +{ + unsigned long reason = regs->dsisr; + + printk("Machine check in kernel mode.\n"); + if (reason & ESR_IMCP){ + printk("Instruction Synchronous Machine Check exception\n"); + mtspr(SPRN_ESR, reason & ~ESR_IMCP); + } + else { + u32 mcsr = mfspr(SPRN_MCSR); + if (mcsr & MCSR_IB) + printk("Instruction Read PLB Error\n"); + if (mcsr & MCSR_DRB) + printk("Data Read PLB Error\n"); + if (mcsr & MCSR_DWB) + printk("Data Write PLB Error\n"); + if (mcsr & MCSR_TLBP) + printk("TLB Parity Error\n"); + if (mcsr & MCSR_ICP){ + flush_instruction_cache(); + printk("I-Cache Parity Error\n"); + } + if (mcsr & MCSR_DCSP) + printk("D-Cache Search Parity Error\n"); + if (mcsr & MCSR_DCFP) + printk("D-Cache Flush Parity Error\n"); + if (mcsr & MCSR_IMPE) + printk("Machine Check exception is imprecise\n"); + + /* Clear MCSR */ + mtspr(SPRN_MCSR, mcsr); + } + return 0; +} + +#ifdef CONFIG_PPC_47x +int machine_check_47x(struct pt_regs *regs) +{ + unsigned long reason = regs->dsisr; + u32 mcsr; + + printk(KERN_ERR "Machine check in kernel mode.\n"); + if (reason & ESR_IMCP) { + printk(KERN_ERR "Instruction Synchronous Machine Check exception\n"); + mtspr(SPRN_ESR, reason & ~ESR_IMCP); + return 0; + } + mcsr = mfspr(SPRN_MCSR); + if (mcsr & MCSR_IB) + printk(KERN_ERR "Instruction Read PLB Error\n"); + if (mcsr & MCSR_DRB) + printk(KERN_ERR "Data Read PLB Error\n"); + if (mcsr & MCSR_DWB) + printk(KERN_ERR "Data Write PLB Error\n"); + if (mcsr & MCSR_TLBP) + printk(KERN_ERR "TLB Parity Error\n"); + if (mcsr & MCSR_ICP) { + flush_instruction_cache(); + printk(KERN_ERR "I-Cache Parity Error\n"); + } + if (mcsr & MCSR_DCSP) + printk(KERN_ERR "D-Cache Search Parity Error\n"); + if (mcsr & PPC47x_MCSR_GPR) + printk(KERN_ERR "GPR Parity Error\n"); + if (mcsr & PPC47x_MCSR_FPR) + printk(KERN_ERR "FPR Parity Error\n"); + if (mcsr & PPC47x_MCSR_IPR) + printk(KERN_ERR "Machine Check exception is imprecise\n"); + + /* Clear MCSR */ + mtspr(SPRN_MCSR, mcsr); + + return 0; +} +#endif /* CONFIG_PPC_47x */ diff --git a/arch/powerpc/platforms/4xx/Makefile b/arch/powerpc/platforms/4xx/Makefile new file mode 100644 index 000000000000..9779c32db34e --- /dev/null +++ b/arch/powerpc/platforms/4xx/Makefile @@ -0,0 +1,8 @@ +obj-y += uic.o machine_check.o +obj-$(CONFIG_PPC4xx_OCM) += ocm.o +obj-$(CONFIG_4xx_SOC) += soc.o +obj-$(CONFIG_PCI) += pci.o +obj-$(CONFIG_PPC4xx_HSTA_MSI) += hsta_msi.o +obj-$(CONFIG_PPC4xx_MSI) += msi.o +obj-$(CONFIG_PPC4xx_CPM) += cpm.o +obj-$(CONFIG_PPC4xx_GPIO) += gpio.o diff --git a/arch/powerpc/sysdev/ppc4xx_cpm.c b/arch/powerpc/platforms/4xx/cpm.c index ba95adf81d8d..ba95adf81d8d 100644 --- a/arch/powerpc/sysdev/ppc4xx_cpm.c +++ b/arch/powerpc/platforms/4xx/cpm.c diff --git a/arch/powerpc/sysdev/ppc4xx_gpio.c b/arch/powerpc/platforms/4xx/gpio.c index 5382d04dd872..5382d04dd872 100644 --- a/arch/powerpc/sysdev/ppc4xx_gpio.c +++ b/arch/powerpc/platforms/4xx/gpio.c diff --git a/arch/powerpc/sysdev/ppc4xx_hsta_msi.c b/arch/powerpc/platforms/4xx/hsta_msi.c index 9926ad67af76..9926ad67af76 100644 --- a/arch/powerpc/sysdev/ppc4xx_hsta_msi.c +++ b/arch/powerpc/platforms/4xx/hsta_msi.c diff --git a/arch/powerpc/platforms/4xx/machine_check.c b/arch/powerpc/platforms/4xx/machine_check.c new file mode 100644 index 000000000000..aa039dfaf82f --- /dev/null +++ b/arch/powerpc/platforms/4xx/machine_check.c @@ -0,0 +1,26 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/printk.h> +#include <linux/ptrace.h> + +#include <asm/reg.h> + +int machine_check_4xx(struct pt_regs *regs) +{ + unsigned long reason = regs->dsisr; + + if (reason & ESR_IMCP) { + printk("Instruction"); + mtspr(SPRN_ESR, reason & ~ESR_IMCP); + } else + printk("Data"); + printk(" machine check in kernel mode.\n"); + + return 0; +} diff --git a/arch/powerpc/sysdev/ppc4xx_msi.c b/arch/powerpc/platforms/4xx/msi.c index 590dab4f47d6..590dab4f47d6 100644 --- a/arch/powerpc/sysdev/ppc4xx_msi.c +++ b/arch/powerpc/platforms/4xx/msi.c diff --git a/arch/powerpc/sysdev/ppc4xx_ocm.c b/arch/powerpc/platforms/4xx/ocm.c index 85d9e37f5ccb..85d9e37f5ccb 100644 --- a/arch/powerpc/sysdev/ppc4xx_ocm.c +++ b/arch/powerpc/platforms/4xx/ocm.c diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/platforms/4xx/pci.c index 086aca69ecae..6713edc93a55 100644 --- a/arch/powerpc/sysdev/ppc4xx_pci.c +++ b/arch/powerpc/platforms/4xx/pci.c @@ -32,7 +32,7 @@ #include <asm/dcr-regs.h> #include <mm/mmu_decl.h> -#include "ppc4xx_pci.h" +#include "pci.h" static int dma_offset_set; diff --git a/arch/powerpc/sysdev/ppc4xx_pci.h b/arch/powerpc/platforms/4xx/pci.h index bb4821938ab1..bb4821938ab1 100644 --- a/arch/powerpc/sysdev/ppc4xx_pci.h +++ b/arch/powerpc/platforms/4xx/pci.h diff --git a/arch/powerpc/sysdev/ppc4xx_soc.c b/arch/powerpc/platforms/4xx/soc.c index d41134d2f786..d41134d2f786 100644 --- a/arch/powerpc/sysdev/ppc4xx_soc.c +++ b/arch/powerpc/platforms/4xx/soc.c diff --git a/arch/powerpc/sysdev/uic.c b/arch/powerpc/platforms/4xx/uic.c index a00949f3e378..a00949f3e378 100644 --- a/arch/powerpc/sysdev/uic.c +++ b/arch/powerpc/platforms/4xx/uic.c diff --git a/arch/powerpc/platforms/8xx/Kconfig b/arch/powerpc/platforms/8xx/Kconfig index 80cbcb0ad9b1..536b0c5d5ce3 100644 --- a/arch/powerpc/platforms/8xx/Kconfig +++ b/arch/powerpc/platforms/8xx/Kconfig @@ -5,7 +5,6 @@ config CPM1 choice prompt "8xx Machine Type" depends on PPC_8xx - depends on 8xx default MPC885ADS config MPC8XXFADS @@ -92,7 +91,7 @@ endmenu # menu "MPC8xx CPM Options" - depends on 8xx + depends on PPC_8xx # This doesn't really belong here, but it is convenient to ask # 8xx specific questions. diff --git a/arch/powerpc/platforms/8xx/Makefile b/arch/powerpc/platforms/8xx/Makefile index 76a81c3350a8..f9af3218bd9c 100644 --- a/arch/powerpc/platforms/8xx/Makefile +++ b/arch/powerpc/platforms/8xx/Makefile @@ -1,7 +1,7 @@ # # Makefile for the PowerPC 8xx linux kernel. # -obj-$(CONFIG_PPC_8xx) += m8xx_setup.o +obj-y += m8xx_setup.o machine_check.o pic.o obj-$(CONFIG_MPC885ADS) += mpc885ads_setup.o obj-$(CONFIG_MPC86XADS) += mpc86xads_setup.o obj-$(CONFIG_PPC_EP88XC) += ep88xc.o diff --git a/arch/powerpc/platforms/8xx/m8xx_setup.c b/arch/powerpc/platforms/8xx/m8xx_setup.c index f81069f79a94..1917d69f84df 100644 --- a/arch/powerpc/platforms/8xx/m8xx_setup.c +++ b/arch/powerpc/platforms/8xx/m8xx_setup.c @@ -23,7 +23,7 @@ #include <asm/fs_pd.h> #include <mm/mmu_decl.h> -#include <sysdev/mpc8xx_pic.h> +#include "pic.h" #include "mpc8xx.h" diff --git a/arch/powerpc/platforms/8xx/machine_check.c b/arch/powerpc/platforms/8xx/machine_check.c new file mode 100644 index 000000000000..402016705a39 --- /dev/null +++ b/arch/powerpc/platforms/8xx/machine_check.c @@ -0,0 +1,37 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/printk.h> +#include <linux/ptrace.h> + +#include <asm/reg.h> + +int machine_check_8xx(struct pt_regs *regs) +{ + unsigned long reason = regs->msr; + + pr_err("Machine check in kernel mode.\n"); + pr_err("Caused by (from SRR1=%lx): ", reason); + if (reason & 0x40000000) + pr_err("Fetch error at address %lx\n", regs->nip); + else + pr_err("Data access error at address %lx\n", regs->dar); + +#ifdef CONFIG_PCI + /* the qspan pci read routines can cause machine checks -- Cort + * + * yuck !!! that totally needs to go away ! There are better ways + * to deal with that than having a wart in the mcheck handler. + * -- BenH + */ + bad_page_fault(regs, regs->dar, SIGBUS); + return 1; +#else + return 0; +#endif +} diff --git a/arch/powerpc/sysdev/mpc8xx_pic.c b/arch/powerpc/platforms/8xx/pic.c index 2842f9d63d21..8d5a25d43ef3 100644 --- a/arch/powerpc/sysdev/mpc8xx_pic.c +++ b/arch/powerpc/platforms/8xx/pic.c @@ -9,7 +9,7 @@ #include <asm/io.h> #include <asm/8xx_immap.h> -#include "mpc8xx_pic.h" +#include "pic.h" #define PIC_VEC_SPURRIOUS 15 diff --git a/arch/powerpc/sysdev/mpc8xx_pic.h b/arch/powerpc/platforms/8xx/pic.h index 9fe00eebdc8b..9fe00eebdc8b 100644 --- a/arch/powerpc/sysdev/mpc8xx_pic.h +++ b/arch/powerpc/platforms/8xx/pic.h diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index 2f629e0551e9..13663efc1d31 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -32,7 +32,6 @@ config PPC_85xx config PPC_8xx bool "Freescale 8xx" select FSL_SOC - select 8xx select PPC_LIB_RHEAP select SYS_SUPPORTS_HUGETLBFS @@ -149,10 +148,6 @@ config 6xx depends on PPC32 && PPC_BOOK3S select PPC_HAVE_PMU_SUPPORT -# this is temp to handle compat with arch=ppc -config 8xx - bool - config E500 select FSL_EMB_PERFMON select PPC_FSL_BOOK3E @@ -271,44 +266,6 @@ config VSX If in doubt, say Y here. -config PPC_ICSWX - bool "Support for PowerPC icswx coprocessor instruction" - depends on PPC_BOOK3S_64 - default n - ---help--- - - This option enables kernel support for the PowerPC Initiate - Coprocessor Store Word (icswx) coprocessor instruction on POWER7 - and POWER8 processors. POWER9 uses new copy/paste instructions - to invoke the coprocessor. - - This option is only useful if you have a processor that supports - the icswx coprocessor instruction. It does not have any effect - on processors without the icswx coprocessor instruction. - - This option slightly increases kernel memory usage. - - If in doubt, say N here. - -config PPC_ICSWX_PID - bool "icswx requires direct PID management" - depends on PPC_ICSWX - default y - ---help--- - The PID register in server is used explicitly for ICSWX. In - embedded systems PID management is done by the system. - -config PPC_ICSWX_USE_SIGILL - bool "Should a bad CT cause a SIGILL?" - depends on PPC_ICSWX - default n - ---help--- - Should a bad CT used for "non-record form ICSWX" cause an - illegal instruction signal or should it be silent as - architected. - - If in doubt, say N here. - config SPE_POSSIBLE def_bool y depends on E200 || (E500 && !PPC_E500MC) @@ -413,7 +370,7 @@ config NR_CPUS config NOT_COHERENT_CACHE bool - depends on 4xx || 8xx || E200 || PPC_MPC512x || GAMECUBE_COMMON + depends on 4xx || PPC_8xx || E200 || PPC_MPC512x || GAMECUBE_COMMON default n if PPC_47x default y diff --git a/arch/powerpc/platforms/Makefile b/arch/powerpc/platforms/Makefile index 469ef170d218..d7a55ecfaee5 100644 --- a/arch/powerpc/platforms/Makefile +++ b/arch/powerpc/platforms/Makefile @@ -5,6 +5,7 @@ obj-$(CONFIG_FSL_ULI1575) += fsl_uli1575.o obj-$(CONFIG_PPC_PMAC) += powermac/ obj-$(CONFIG_PPC_CHRP) += chrp/ +obj-$(CONFIG_4xx) += 4xx/ obj-$(CONFIG_40x) += 40x/ obj-$(CONFIG_44x) += 44x/ obj-$(CONFIG_PPC_MPC512x) += 512x/ diff --git a/arch/powerpc/platforms/chrp/pegasos_eth.c b/arch/powerpc/platforms/chrp/pegasos_eth.c index 2b4dc6abde6c..19760712b39d 100644 --- a/arch/powerpc/platforms/chrp/pegasos_eth.c +++ b/arch/powerpc/platforms/chrp/pegasos_eth.c @@ -63,7 +63,7 @@ static struct platform_device mv643xx_eth_mvmdio_device = { .name = "orion-mdio", .id = -1, .num_resources = ARRAY_SIZE(mv643xx_eth_mvmdio_resources), - .resource = mv643xx_eth_shared_resources, + .resource = mv643xx_eth_mvmdio_resources, }; static struct resource mv643xx_eth_port1_resources[] = { diff --git a/arch/powerpc/platforms/powernv/Makefile b/arch/powerpc/platforms/powernv/Makefile index b5d98cb3f482..177b3d4542b5 100644 --- a/arch/powerpc/platforms/powernv/Makefile +++ b/arch/powerpc/platforms/powernv/Makefile @@ -2,7 +2,7 @@ obj-y += setup.o opal-wrappers.o opal.o opal-async.o idle.o obj-y += opal-rtc.o opal-nvram.o opal-lpc.o opal-flash.o obj-y += rng.o opal-elog.o opal-dump.o opal-sysparam.o opal-sensor.o obj-y += opal-msglog.o opal-hmi.o opal-power.o opal-irqchip.o -obj-y += opal-kmsg.o +obj-y += opal-kmsg.o opal-powercap.o opal-psr.o opal-sensor-groups.o obj-$(CONFIG_SMP) += smp.o subcore.o subcore-asm.o obj-$(CONFIG_PCI) += pci.o pci-ioda.o npu-dma.o @@ -12,3 +12,4 @@ obj-$(CONFIG_PPC_SCOM) += opal-xscom.o obj-$(CONFIG_MEMORY_FAILURE) += opal-memory-errors.o obj-$(CONFIG_TRACEPOINTS) += opal-tracepoints.o obj-$(CONFIG_OPAL_PRD) += opal-prd.o +obj-$(CONFIG_PERF_EVENTS) += opal-imc.o diff --git a/arch/powerpc/platforms/powernv/idle.c b/arch/powerpc/platforms/powernv/idle.c index a553aeea7af6..9f59041a172b 100644 --- a/arch/powerpc/platforms/powernv/idle.c +++ b/arch/powerpc/platforms/powernv/idle.c @@ -69,7 +69,7 @@ static int pnv_save_sprs_for_deep_states(void) * all cpus at boot. Get these reg values of current cpu and use the * same across all cpus. */ - uint64_t lpcr_val = mfspr(SPRN_LPCR) & ~(u64)LPCR_PECE1; + uint64_t lpcr_val = mfspr(SPRN_LPCR); uint64_t hid0_val = mfspr(SPRN_HID0); uint64_t hid1_val = mfspr(SPRN_HID1); uint64_t hid4_val = mfspr(SPRN_HID4); @@ -388,6 +388,14 @@ void power9_idle(void) } #ifdef CONFIG_HOTPLUG_CPU +static void pnv_program_cpu_hotplug_lpcr(unsigned int cpu, u64 lpcr_val) +{ + u64 pir = get_hard_smp_processor_id(cpu); + + mtspr(SPRN_LPCR, lpcr_val); + opal_slw_set_reg(pir, SPRN_LPCR, lpcr_val); +} + /* * pnv_cpu_offline: A function that puts the CPU into the deepest * available platform idle state on a CPU-Offline. @@ -397,6 +405,20 @@ unsigned long pnv_cpu_offline(unsigned int cpu) { unsigned long srr1; u32 idle_states = pnv_get_supported_cpuidle_states(); + u64 lpcr_val; + + /* + * We don't want to take decrementer interrupts while we are + * offline, so clear LPCR:PECE1. We keep PECE2 (and + * LPCR_PECE_HVEE on P9) enabled as to let IPIs in. + * + * If the CPU gets woken up by a special wakeup, ensure that + * the SLW engine sets LPCR with decrementer bit cleared, else + * the CPU will come back to the kernel due to a spurious + * wakeup. + */ + lpcr_val = mfspr(SPRN_LPCR) & ~(u64)LPCR_PECE1; + pnv_program_cpu_hotplug_lpcr(cpu, lpcr_val); __ppc64_runlatch_off(); @@ -428,6 +450,16 @@ unsigned long pnv_cpu_offline(unsigned int cpu) __ppc64_runlatch_on(); + /* + * Re-enable decrementer interrupts in LPCR. + * + * Further, we want stop states to be woken up by decrementer + * for non-hotplug cases. So program the LPCR via stop api as + * well. + */ + lpcr_val = mfspr(SPRN_LPCR) | (u64)LPCR_PECE1; + pnv_program_cpu_hotplug_lpcr(cpu, lpcr_val); + return srr1; } #endif diff --git a/arch/powerpc/platforms/powernv/opal-flash.c b/arch/powerpc/platforms/powernv/opal-flash.c index 4ec6219287fc..2fa3ac80cb4e 100644 --- a/arch/powerpc/platforms/powernv/opal-flash.c +++ b/arch/powerpc/platforms/powernv/opal-flash.c @@ -520,7 +520,7 @@ out: * update_flash : Flash new firmware image * */ -static struct bin_attribute image_data_attr = { +static const struct bin_attribute image_data_attr = { .attr = {.name = "image", .mode = 0200}, .size = MAX_IMAGE_SIZE, /* Limit image size */ .write = image_data_write, diff --git a/arch/powerpc/platforms/powernv/opal-imc.c b/arch/powerpc/platforms/powernv/opal-imc.c new file mode 100644 index 000000000000..b903bf5e6006 --- /dev/null +++ b/arch/powerpc/platforms/powernv/opal-imc.c @@ -0,0 +1,226 @@ +/* + * OPAL IMC interface detection driver + * Supported on POWERNV platform + * + * Copyright (C) 2017 Madhavan Srinivasan, IBM Corporation. + * (C) 2017 Anju T Sudhakar, IBM Corporation. + * (C) 2017 Hemant K Shaw, IBM Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or later version. + */ +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_platform.h> +#include <linux/crash_dump.h> +#include <asm/opal.h> +#include <asm/io.h> +#include <asm/imc-pmu.h> +#include <asm/cputhreads.h> + +/* + * imc_get_mem_addr_nest: Function to get nest counter memory region + * for each chip + */ +static int imc_get_mem_addr_nest(struct device_node *node, + struct imc_pmu *pmu_ptr, + u32 offset) +{ + int nr_chips = 0, i; + u64 *base_addr_arr, baddr; + u32 *chipid_arr; + + nr_chips = of_property_count_u32_elems(node, "chip-id"); + if (nr_chips <= 0) + return -ENODEV; + + base_addr_arr = kcalloc(nr_chips, sizeof(u64), GFP_KERNEL); + if (!base_addr_arr) + return -ENOMEM; + + chipid_arr = kcalloc(nr_chips, sizeof(u32), GFP_KERNEL); + if (!chipid_arr) + return -ENOMEM; + + if (of_property_read_u32_array(node, "chip-id", chipid_arr, nr_chips)) + goto error; + + if (of_property_read_u64_array(node, "base-addr", base_addr_arr, + nr_chips)) + goto error; + + pmu_ptr->mem_info = kcalloc(nr_chips, sizeof(struct imc_mem_info), + GFP_KERNEL); + if (!pmu_ptr->mem_info) + goto error; + + for (i = 0; i < nr_chips; i++) { + pmu_ptr->mem_info[i].id = chipid_arr[i]; + baddr = base_addr_arr[i] + offset; + pmu_ptr->mem_info[i].vbase = phys_to_virt(baddr); + } + + pmu_ptr->imc_counter_mmaped = true; + kfree(base_addr_arr); + kfree(chipid_arr); + return 0; + +error: + kfree(pmu_ptr->mem_info); + kfree(base_addr_arr); + kfree(chipid_arr); + return -1; +} + +/* + * imc_pmu_create : Takes the parent device which is the pmu unit, pmu_index + * and domain as the inputs. + * Allocates memory for the struct imc_pmu, sets up its domain, size and offsets + */ +static int imc_pmu_create(struct device_node *parent, int pmu_index, int domain) +{ + int ret = 0; + struct imc_pmu *pmu_ptr; + u32 offset; + + /* memory for pmu */ + pmu_ptr = kzalloc(sizeof(struct imc_pmu), GFP_KERNEL); + if (!pmu_ptr) + return -ENOMEM; + + /* Set the domain */ + pmu_ptr->domain = domain; + + ret = of_property_read_u32(parent, "size", &pmu_ptr->counter_mem_size); + if (ret) { + ret = -EINVAL; + goto free_pmu; + } + + if (!of_property_read_u32(parent, "offset", &offset)) { + if (imc_get_mem_addr_nest(parent, pmu_ptr, offset)) { + ret = -EINVAL; + goto free_pmu; + } + } + + /* Function to register IMC pmu */ + ret = init_imc_pmu(parent, pmu_ptr, pmu_index); + if (ret) + pr_err("IMC PMU %s Register failed\n", pmu_ptr->pmu.name); + + return 0; + +free_pmu: + kfree(pmu_ptr); + return ret; +} + +static void disable_nest_pmu_counters(void) +{ + int nid, cpu; + struct cpumask *l_cpumask; + + get_online_cpus(); + for_each_online_node(nid) { + l_cpumask = cpumask_of_node(nid); + cpu = cpumask_first(l_cpumask); + opal_imc_counters_stop(OPAL_IMC_COUNTERS_NEST, + get_hard_smp_processor_id(cpu)); + } + put_online_cpus(); +} + +static void disable_core_pmu_counters(void) +{ + cpumask_t cores_map; + int cpu, rc; + + get_online_cpus(); + /* Disable the IMC Core functions */ + cores_map = cpu_online_cores_map(); + for_each_cpu(cpu, &cores_map) { + rc = opal_imc_counters_stop(OPAL_IMC_COUNTERS_CORE, + get_hard_smp_processor_id(cpu)); + if (rc) + pr_err("%s: Failed to stop Core (cpu = %d)\n", + __FUNCTION__, cpu); + } + put_online_cpus(); +} + +static int opal_imc_counters_probe(struct platform_device *pdev) +{ + struct device_node *imc_dev = pdev->dev.of_node; + int pmu_count = 0, domain; + u32 type; + + /* + * Check whether this is kdump kernel. If yes, force the engines to + * stop and return. + */ + if (is_kdump_kernel()) { + disable_nest_pmu_counters(); + disable_core_pmu_counters(); + return -ENODEV; + } + + for_each_compatible_node(imc_dev, NULL, IMC_DTB_UNIT_COMPAT) { + if (of_property_read_u32(imc_dev, "type", &type)) { + pr_warn("IMC Device without type property\n"); + continue; + } + + switch (type) { + case IMC_TYPE_CHIP: + domain = IMC_DOMAIN_NEST; + break; + case IMC_TYPE_CORE: + domain =IMC_DOMAIN_CORE; + break; + case IMC_TYPE_THREAD: + domain = IMC_DOMAIN_THREAD; + break; + default: + pr_warn("IMC Unknown Device type \n"); + domain = -1; + break; + } + + if (!imc_pmu_create(imc_dev, pmu_count, domain)) + pmu_count++; + } + + return 0; +} + +static void opal_imc_counters_shutdown(struct platform_device *pdev) +{ + /* + * Function only stops the engines which is bare minimum. + * TODO: Need to handle proper memory cleanup and pmu + * unregister. + */ + disable_nest_pmu_counters(); + disable_core_pmu_counters(); +} + +static const struct of_device_id opal_imc_match[] = { + { .compatible = IMC_DTB_COMPAT }, + {}, +}; + +static struct platform_driver opal_imc_driver = { + .driver = { + .name = "opal-imc-counters", + .of_match_table = opal_imc_match, + }, + .probe = opal_imc_counters_probe, + .shutdown = opal_imc_counters_shutdown, +}; + +builtin_platform_driver(opal_imc_driver); diff --git a/arch/powerpc/platforms/powernv/opal-powercap.c b/arch/powerpc/platforms/powernv/opal-powercap.c new file mode 100644 index 000000000000..badb29bde93f --- /dev/null +++ b/arch/powerpc/platforms/powernv/opal-powercap.c @@ -0,0 +1,244 @@ +/* + * PowerNV OPAL Powercap interface + * + * Copyright 2017 IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#define pr_fmt(fmt) "opal-powercap: " fmt + +#include <linux/of.h> +#include <linux/kobject.h> +#include <linux/slab.h> + +#include <asm/opal.h> + +DEFINE_MUTEX(powercap_mutex); + +static struct kobject *powercap_kobj; + +struct powercap_attr { + u32 handle; + struct kobj_attribute attr; +}; + +static struct pcap { + struct attribute_group pg; + struct powercap_attr *pattrs; +} *pcaps; + +static ssize_t powercap_show(struct kobject *kobj, struct kobj_attribute *attr, + char *buf) +{ + struct powercap_attr *pcap_attr = container_of(attr, + struct powercap_attr, attr); + struct opal_msg msg; + u32 pcap; + int ret, token; + + token = opal_async_get_token_interruptible(); + if (token < 0) { + pr_devel("Failed to get token\n"); + return token; + } + + ret = mutex_lock_interruptible(&powercap_mutex); + if (ret) + goto out_token; + + ret = opal_get_powercap(pcap_attr->handle, token, (u32 *)__pa(&pcap)); + switch (ret) { + case OPAL_ASYNC_COMPLETION: + ret = opal_async_wait_response(token, &msg); + if (ret) { + pr_devel("Failed to wait for the async response\n"); + ret = -EIO; + goto out; + } + ret = opal_error_code(opal_get_async_rc(msg)); + if (!ret) { + ret = sprintf(buf, "%u\n", be32_to_cpu(pcap)); + if (ret < 0) + ret = -EIO; + } + break; + case OPAL_SUCCESS: + ret = sprintf(buf, "%u\n", be32_to_cpu(pcap)); + if (ret < 0) + ret = -EIO; + break; + default: + ret = opal_error_code(ret); + } + +out: + mutex_unlock(&powercap_mutex); +out_token: + opal_async_release_token(token); + return ret; +} + +static ssize_t powercap_store(struct kobject *kobj, + struct kobj_attribute *attr, const char *buf, + size_t count) +{ + struct powercap_attr *pcap_attr = container_of(attr, + struct powercap_attr, attr); + struct opal_msg msg; + u32 pcap; + int ret, token; + + ret = kstrtoint(buf, 0, &pcap); + if (ret) + return ret; + + token = opal_async_get_token_interruptible(); + if (token < 0) { + pr_devel("Failed to get token\n"); + return token; + } + + ret = mutex_lock_interruptible(&powercap_mutex); + if (ret) + goto out_token; + + ret = opal_set_powercap(pcap_attr->handle, token, pcap); + switch (ret) { + case OPAL_ASYNC_COMPLETION: + ret = opal_async_wait_response(token, &msg); + if (ret) { + pr_devel("Failed to wait for the async response\n"); + ret = -EIO; + goto out; + } + ret = opal_error_code(opal_get_async_rc(msg)); + if (!ret) + ret = count; + break; + case OPAL_SUCCESS: + ret = count; + break; + default: + ret = opal_error_code(ret); + } + +out: + mutex_unlock(&powercap_mutex); +out_token: + opal_async_release_token(token); + return ret; +} + +static void powercap_add_attr(int handle, const char *name, + struct powercap_attr *attr) +{ + attr->handle = handle; + sysfs_attr_init(&attr->attr.attr); + attr->attr.attr.name = name; + attr->attr.attr.mode = 0444; + attr->attr.show = powercap_show; +} + +void __init opal_powercap_init(void) +{ + struct device_node *powercap, *node; + int i = 0; + + powercap = of_find_compatible_node(NULL, NULL, "ibm,opal-powercap"); + if (!powercap) { + pr_devel("Powercap node not found\n"); + return; + } + + pcaps = kcalloc(of_get_child_count(powercap), sizeof(*pcaps), + GFP_KERNEL); + if (!pcaps) + return; + + powercap_kobj = kobject_create_and_add("powercap", opal_kobj); + if (!powercap_kobj) { + pr_warn("Failed to create powercap kobject\n"); + goto out_pcaps; + } + + i = 0; + for_each_child_of_node(powercap, node) { + u32 cur, min, max; + int j = 0; + bool has_cur = false, has_min = false, has_max = false; + + if (!of_property_read_u32(node, "powercap-min", &min)) { + j++; + has_min = true; + } + + if (!of_property_read_u32(node, "powercap-max", &max)) { + j++; + has_max = true; + } + + if (!of_property_read_u32(node, "powercap-current", &cur)) { + j++; + has_cur = true; + } + + pcaps[i].pattrs = kcalloc(j, sizeof(struct powercap_attr), + GFP_KERNEL); + if (!pcaps[i].pattrs) + goto out_pcaps_pattrs; + + pcaps[i].pg.attrs = kcalloc(j + 1, sizeof(struct attribute *), + GFP_KERNEL); + if (!pcaps[i].pg.attrs) { + kfree(pcaps[i].pattrs); + goto out_pcaps_pattrs; + } + + j = 0; + pcaps[i].pg.name = node->name; + if (has_min) { + powercap_add_attr(min, "powercap-min", + &pcaps[i].pattrs[j]); + pcaps[i].pg.attrs[j] = &pcaps[i].pattrs[j].attr.attr; + j++; + } + + if (has_max) { + powercap_add_attr(max, "powercap-max", + &pcaps[i].pattrs[j]); + pcaps[i].pg.attrs[j] = &pcaps[i].pattrs[j].attr.attr; + j++; + } + + if (has_cur) { + powercap_add_attr(cur, "powercap-current", + &pcaps[i].pattrs[j]); + pcaps[i].pattrs[j].attr.attr.mode |= 0220; + pcaps[i].pattrs[j].attr.store = powercap_store; + pcaps[i].pg.attrs[j] = &pcaps[i].pattrs[j].attr.attr; + j++; + } + + if (sysfs_create_group(powercap_kobj, &pcaps[i].pg)) { + pr_warn("Failed to create powercap attribute group %s\n", + pcaps[i].pg.name); + goto out_pcaps_pattrs; + } + i++; + } + + return; + +out_pcaps_pattrs: + while (--i >= 0) { + kfree(pcaps[i].pattrs); + kfree(pcaps[i].pg.attrs); + } + kobject_put(powercap_kobj); +out_pcaps: + kfree(pcaps); +} diff --git a/arch/powerpc/platforms/powernv/opal-prd.c b/arch/powerpc/platforms/powernv/opal-prd.c index 2d6ee1c5ad85..de4dd09f4a15 100644 --- a/arch/powerpc/platforms/powernv/opal-prd.c +++ b/arch/powerpc/platforms/powernv/opal-prd.c @@ -241,15 +241,9 @@ static ssize_t opal_prd_write(struct file *file, const char __user *buf, size = be16_to_cpu(hdr.size); - msg = kmalloc(size, GFP_KERNEL); - if (!msg) - return -ENOMEM; - - rc = copy_from_user(msg, buf, size); - if (rc) { - size = -EFAULT; - goto out_free; - } + msg = memdup_user(buf, size); + if (IS_ERR(msg)) + return PTR_ERR(msg); rc = opal_prd_msg(msg); if (rc) { @@ -257,7 +251,6 @@ static ssize_t opal_prd_write(struct file *file, const char __user *buf, size = -EIO; } -out_free: kfree(msg); return size; diff --git a/arch/powerpc/platforms/powernv/opal-psr.c b/arch/powerpc/platforms/powernv/opal-psr.c new file mode 100644 index 000000000000..7313b7fc9071 --- /dev/null +++ b/arch/powerpc/platforms/powernv/opal-psr.c @@ -0,0 +1,175 @@ +/* + * PowerNV OPAL Power-Shift-Ratio interface + * + * Copyright 2017 IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#define pr_fmt(fmt) "opal-psr: " fmt + +#include <linux/of.h> +#include <linux/kobject.h> +#include <linux/slab.h> + +#include <asm/opal.h> + +DEFINE_MUTEX(psr_mutex); + +static struct kobject *psr_kobj; + +struct psr_attr { + u32 handle; + struct kobj_attribute attr; +} *psr_attrs; + +static ssize_t psr_show(struct kobject *kobj, struct kobj_attribute *attr, + char *buf) +{ + struct psr_attr *psr_attr = container_of(attr, struct psr_attr, attr); + struct opal_msg msg; + int psr, ret, token; + + token = opal_async_get_token_interruptible(); + if (token < 0) { + pr_devel("Failed to get token\n"); + return token; + } + + ret = mutex_lock_interruptible(&psr_mutex); + if (ret) + goto out_token; + + ret = opal_get_power_shift_ratio(psr_attr->handle, token, + (u32 *)__pa(&psr)); + switch (ret) { + case OPAL_ASYNC_COMPLETION: + ret = opal_async_wait_response(token, &msg); + if (ret) { + pr_devel("Failed to wait for the async response\n"); + ret = -EIO; + goto out; + } + ret = opal_error_code(opal_get_async_rc(msg)); + if (!ret) { + ret = sprintf(buf, "%u\n", be32_to_cpu(psr)); + if (ret < 0) + ret = -EIO; + } + break; + case OPAL_SUCCESS: + ret = sprintf(buf, "%u\n", be32_to_cpu(psr)); + if (ret < 0) + ret = -EIO; + break; + default: + ret = opal_error_code(ret); + } + +out: + mutex_unlock(&psr_mutex); +out_token: + opal_async_release_token(token); + return ret; +} + +static ssize_t psr_store(struct kobject *kobj, struct kobj_attribute *attr, + const char *buf, size_t count) +{ + struct psr_attr *psr_attr = container_of(attr, struct psr_attr, attr); + struct opal_msg msg; + int psr, ret, token; + + ret = kstrtoint(buf, 0, &psr); + if (ret) + return ret; + + token = opal_async_get_token_interruptible(); + if (token < 0) { + pr_devel("Failed to get token\n"); + return token; + } + + ret = mutex_lock_interruptible(&psr_mutex); + if (ret) + goto out_token; + + ret = opal_set_power_shift_ratio(psr_attr->handle, token, psr); + switch (ret) { + case OPAL_ASYNC_COMPLETION: + ret = opal_async_wait_response(token, &msg); + if (ret) { + pr_devel("Failed to wait for the async response\n"); + ret = -EIO; + goto out; + } + ret = opal_error_code(opal_get_async_rc(msg)); + if (!ret) + ret = count; + break; + case OPAL_SUCCESS: + ret = count; + break; + default: + ret = opal_error_code(ret); + } + +out: + mutex_unlock(&psr_mutex); +out_token: + opal_async_release_token(token); + return ret; +} + +void __init opal_psr_init(void) +{ + struct device_node *psr, *node; + int i = 0; + + psr = of_find_compatible_node(NULL, NULL, + "ibm,opal-power-shift-ratio"); + if (!psr) { + pr_devel("Power-shift-ratio node not found\n"); + return; + } + + psr_attrs = kcalloc(of_get_child_count(psr), sizeof(struct psr_attr), + GFP_KERNEL); + if (!psr_attrs) + return; + + psr_kobj = kobject_create_and_add("psr", opal_kobj); + if (!psr_kobj) { + pr_warn("Failed to create psr kobject\n"); + goto out; + } + + for_each_child_of_node(psr, node) { + if (of_property_read_u32(node, "handle", + &psr_attrs[i].handle)) + goto out_kobj; + + sysfs_attr_init(&psr_attrs[i].attr.attr); + if (of_property_read_string(node, "label", + &psr_attrs[i].attr.attr.name)) + goto out_kobj; + psr_attrs[i].attr.attr.mode = 0664; + psr_attrs[i].attr.show = psr_show; + psr_attrs[i].attr.store = psr_store; + if (sysfs_create_file(psr_kobj, &psr_attrs[i].attr.attr)) { + pr_devel("Failed to create psr sysfs file %s\n", + psr_attrs[i].attr.attr.name); + goto out_kobj; + } + i++; + } + + return; +out_kobj: + kobject_put(psr_kobj); +out: + kfree(psr_attrs); +} diff --git a/arch/powerpc/platforms/powernv/opal-sensor-groups.c b/arch/powerpc/platforms/powernv/opal-sensor-groups.c new file mode 100644 index 000000000000..7e5a235ebf76 --- /dev/null +++ b/arch/powerpc/platforms/powernv/opal-sensor-groups.c @@ -0,0 +1,212 @@ +/* + * PowerNV OPAL Sensor-groups interface + * + * Copyright 2017 IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#define pr_fmt(fmt) "opal-sensor-groups: " fmt + +#include <linux/of.h> +#include <linux/kobject.h> +#include <linux/slab.h> + +#include <asm/opal.h> + +DEFINE_MUTEX(sg_mutex); + +static struct kobject *sg_kobj; + +struct sg_attr { + u32 handle; + struct kobj_attribute attr; +}; + +static struct sensor_group { + char name[20]; + struct attribute_group sg; + struct sg_attr *sgattrs; +} *sgs; + +static ssize_t sg_store(struct kobject *kobj, struct kobj_attribute *attr, + const char *buf, size_t count) +{ + struct sg_attr *sattr = container_of(attr, struct sg_attr, attr); + struct opal_msg msg; + u32 data; + int ret, token; + + ret = kstrtoint(buf, 0, &data); + if (ret) + return ret; + + if (data != 1) + return -EINVAL; + + token = opal_async_get_token_interruptible(); + if (token < 0) { + pr_devel("Failed to get token\n"); + return token; + } + + ret = mutex_lock_interruptible(&sg_mutex); + if (ret) + goto out_token; + + ret = opal_sensor_group_clear(sattr->handle, token); + switch (ret) { + case OPAL_ASYNC_COMPLETION: + ret = opal_async_wait_response(token, &msg); + if (ret) { + pr_devel("Failed to wait for the async response\n"); + ret = -EIO; + goto out; + } + ret = opal_error_code(opal_get_async_rc(msg)); + if (!ret) + ret = count; + break; + case OPAL_SUCCESS: + ret = count; + break; + default: + ret = opal_error_code(ret); + } + +out: + mutex_unlock(&sg_mutex); +out_token: + opal_async_release_token(token); + return ret; +} + +static struct sg_ops_info { + int opal_no; + const char *attr_name; + ssize_t (*store)(struct kobject *kobj, struct kobj_attribute *attr, + const char *buf, size_t count); +} ops_info[] = { + { OPAL_SENSOR_GROUP_CLEAR, "clear", sg_store }, +}; + +static void add_attr(int handle, struct sg_attr *attr, int index) +{ + attr->handle = handle; + sysfs_attr_init(&attr->attr.attr); + attr->attr.attr.name = ops_info[index].attr_name; + attr->attr.attr.mode = 0220; + attr->attr.store = ops_info[index].store; +} + +static int add_attr_group(const __be32 *ops, int len, struct sensor_group *sg, + u32 handle) +{ + int i, j; + int count = 0; + + for (i = 0; i < len; i++) + for (j = 0; j < ARRAY_SIZE(ops_info); j++) + if (be32_to_cpu(ops[i]) == ops_info[j].opal_no) { + add_attr(handle, &sg->sgattrs[count], j); + sg->sg.attrs[count] = + &sg->sgattrs[count].attr.attr; + count++; + } + + return sysfs_create_group(sg_kobj, &sg->sg); +} + +static int get_nr_attrs(const __be32 *ops, int len) +{ + int i, j; + int nr_attrs = 0; + + for (i = 0; i < len; i++) + for (j = 0; j < ARRAY_SIZE(ops_info); j++) + if (be32_to_cpu(ops[i]) == ops_info[j].opal_no) + nr_attrs++; + + return nr_attrs; +} + +void __init opal_sensor_groups_init(void) +{ + struct device_node *sg, *node; + int i = 0; + + sg = of_find_compatible_node(NULL, NULL, "ibm,opal-sensor-group"); + if (!sg) { + pr_devel("Sensor groups node not found\n"); + return; + } + + sgs = kcalloc(of_get_child_count(sg), sizeof(*sgs), GFP_KERNEL); + if (!sgs) + return; + + sg_kobj = kobject_create_and_add("sensor_groups", opal_kobj); + if (!sg_kobj) { + pr_warn("Failed to create sensor group kobject\n"); + goto out_sgs; + } + + for_each_child_of_node(sg, node) { + const __be32 *ops; + u32 sgid, len, nr_attrs, chipid; + + ops = of_get_property(node, "ops", &len); + if (!ops) + continue; + + nr_attrs = get_nr_attrs(ops, len); + if (!nr_attrs) + continue; + + sgs[i].sgattrs = kcalloc(nr_attrs, sizeof(struct sg_attr), + GFP_KERNEL); + if (!sgs[i].sgattrs) + goto out_sgs_sgattrs; + + sgs[i].sg.attrs = kcalloc(nr_attrs + 1, + sizeof(struct attribute *), + GFP_KERNEL); + + if (!sgs[i].sg.attrs) { + kfree(sgs[i].sgattrs); + goto out_sgs_sgattrs; + } + + if (of_property_read_u32(node, "sensor-group-id", &sgid)) { + pr_warn("sensor-group-id property not found\n"); + goto out_sgs_sgattrs; + } + + if (!of_property_read_u32(node, "ibm,chip-id", &chipid)) + sprintf(sgs[i].name, "%s%d", node->name, chipid); + else + sprintf(sgs[i].name, "%s", node->name); + + sgs[i].sg.name = sgs[i].name; + if (add_attr_group(ops, len, &sgs[i], sgid)) { + pr_warn("Failed to create sensor attribute group %s\n", + sgs[i].sg.name); + goto out_sgs_sgattrs; + } + i++; + } + + return; + +out_sgs_sgattrs: + while (--i >= 0) { + kfree(sgs[i].sgattrs); + kfree(sgs[i].sg.attrs); + } + kobject_put(sg_kobj); +out_sgs: + kfree(sgs); +} diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S index 4ca6c26a56d5..951fa93f881d 100644 --- a/arch/powerpc/platforms/powernv/opal-wrappers.S +++ b/arch/powerpc/platforms/powernv/opal-wrappers.S @@ -310,3 +310,12 @@ OPAL_CALL(opal_xive_dump, OPAL_XIVE_DUMP); OPAL_CALL(opal_npu_init_context, OPAL_NPU_INIT_CONTEXT); OPAL_CALL(opal_npu_destroy_context, OPAL_NPU_DESTROY_CONTEXT); OPAL_CALL(opal_npu_map_lpar, OPAL_NPU_MAP_LPAR); +OPAL_CALL(opal_imc_counters_init, OPAL_IMC_COUNTERS_INIT); +OPAL_CALL(opal_imc_counters_start, OPAL_IMC_COUNTERS_START); +OPAL_CALL(opal_imc_counters_stop, OPAL_IMC_COUNTERS_STOP); +OPAL_CALL(opal_pci_set_p2p, OPAL_PCI_SET_P2P); +OPAL_CALL(opal_get_powercap, OPAL_GET_POWERCAP); +OPAL_CALL(opal_set_powercap, OPAL_SET_POWERCAP); +OPAL_CALL(opal_get_power_shift_ratio, OPAL_GET_POWER_SHIFT_RATIO); +OPAL_CALL(opal_set_power_shift_ratio, OPAL_SET_POWER_SHIFT_RATIO); +OPAL_CALL(opal_sensor_group_clear, OPAL_SENSOR_GROUP_CLEAR); diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index cad6b57ce494..3c122d08b6c3 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -16,6 +16,7 @@ #include <linux/of.h> #include <linux/of_fdt.h> #include <linux/of_platform.h> +#include <linux/of_address.h> #include <linux/interrupt.h> #include <linux/notifier.h> #include <linux/slab.h> @@ -30,6 +31,7 @@ #include <asm/opal.h> #include <asm/firmware.h> #include <asm/mce.h> +#include <asm/imc-pmu.h> #include "powernv.h" @@ -720,6 +722,15 @@ static void opal_pdev_init(const char *compatible) of_platform_device_create(np, NULL, NULL); } +static void __init opal_imc_init_dev(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, IMC_DTB_COMPAT); + if (np) + of_platform_device_create(np, NULL, NULL); +} + static int kopald(void *unused) { unsigned long timeout = msecs_to_jiffies(opal_heartbeat) + 1; @@ -793,6 +804,9 @@ static int __init opal_init(void) /* Setup a heatbeat thread if requested by OPAL */ opal_init_heartbeat(); + /* Detect In-Memory Collection counters and create devices*/ + opal_imc_init_dev(); + /* Create leds platform devices */ leds = of_find_node_by_path("/ibm,opal/leds"); if (leds) { @@ -836,6 +850,15 @@ static int __init opal_init(void) /* Initialise OPAL kmsg dumper for flushing console on panic */ opal_kmsg_init(); + /* Initialise OPAL powercap interface */ + opal_powercap_init(); + + /* Initialise OPAL Power-Shifting-Ratio interface */ + opal_psr_init(); + + /* Initialise OPAL sensor groups */ + opal_sensor_groups_init(); + return 0; } machine_subsys_initcall(powernv, opal_init); @@ -952,6 +975,7 @@ int opal_error_code(int rc) case OPAL_UNSUPPORTED: return -EIO; case OPAL_HARDWARE: return -EIO; case OPAL_INTERNAL_ERROR: return -EIO; + case OPAL_TIMEOUT: return -ETIMEDOUT; default: pr_err("%s: unexpected OPAL error %d\n", __func__, rc); return -EIO; diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index b900eb1d5e17..48de308224d6 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -1408,7 +1408,6 @@ m64_failed: static long pnv_pci_ioda2_unset_window(struct iommu_table_group *table_group, int num); -static void pnv_pci_ioda2_set_bypass(struct pnv_ioda_pe *pe, bool enable); static void pnv_pci_ioda2_release_dma_pe(struct pci_dev *dev, struct pnv_ioda_pe *pe) { @@ -2402,7 +2401,7 @@ static long pnv_pci_ioda2_set_window(struct iommu_table_group *table_group, return 0; } -static void pnv_pci_ioda2_set_bypass(struct pnv_ioda_pe *pe, bool enable) +void pnv_pci_ioda2_set_bypass(struct pnv_ioda_pe *pe, bool enable) { uint16_t window_id = (pe->pe_number << 1 ) + 1; int64_t rc; diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index 7905d179d036..5422f4a6317c 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -37,6 +37,8 @@ #include "powernv.h" #include "pci.h" +static DEFINE_MUTEX(p2p_mutex); + int pnv_pci_get_slot_id(struct device_node *np, uint64_t *id) { struct device_node *parent = np; @@ -1017,6 +1019,79 @@ void pnv_pci_dma_bus_setup(struct pci_bus *bus) } } +int pnv_pci_set_p2p(struct pci_dev *initiator, struct pci_dev *target, u64 desc) +{ + struct pci_controller *hose; + struct pnv_phb *phb_init, *phb_target; + struct pnv_ioda_pe *pe_init; + int rc; + + if (!opal_check_token(OPAL_PCI_SET_P2P)) + return -ENXIO; + + hose = pci_bus_to_host(initiator->bus); + phb_init = hose->private_data; + + hose = pci_bus_to_host(target->bus); + phb_target = hose->private_data; + + pe_init = pnv_ioda_get_pe(initiator); + if (!pe_init) + return -ENODEV; + + /* + * Configuring the initiator's PHB requires to adjust its + * TVE#1 setting. Since the same device can be an initiator + * several times for different target devices, we need to keep + * a reference count to know when we can restore the default + * bypass setting on its TVE#1 when disabling. Opal is not + * tracking PE states, so we add a reference count on the PE + * in linux. + * + * For the target, the configuration is per PHB, so we keep a + * target reference count on the PHB. + */ + mutex_lock(&p2p_mutex); + + if (desc & OPAL_PCI_P2P_ENABLE) { + /* always go to opal to validate the configuration */ + rc = opal_pci_set_p2p(phb_init->opal_id, phb_target->opal_id, + desc, pe_init->pe_number); + + if (rc != OPAL_SUCCESS) { + rc = -EIO; + goto out; + } + + pe_init->p2p_initiator_count++; + phb_target->p2p_target_count++; + } else { + if (!pe_init->p2p_initiator_count || + !phb_target->p2p_target_count) { + rc = -EINVAL; + goto out; + } + + if (--pe_init->p2p_initiator_count == 0) + pnv_pci_ioda2_set_bypass(pe_init, true); + + if (--phb_target->p2p_target_count == 0) { + rc = opal_pci_set_p2p(phb_init->opal_id, + phb_target->opal_id, desc, + pe_init->pe_number); + if (rc != OPAL_SUCCESS) { + rc = -EIO; + goto out; + } + } + } + rc = 0; +out: + mutex_unlock(&p2p_mutex); + return rc; +} +EXPORT_SYMBOL_GPL(pnv_pci_set_p2p); + void pnv_pci_shutdown(void) { struct pci_controller *hose; diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h index f16bc403ec03..a95273c524f6 100644 --- a/arch/powerpc/platforms/powernv/pci.h +++ b/arch/powerpc/platforms/powernv/pci.h @@ -78,6 +78,9 @@ struct pnv_ioda_pe { struct pnv_ioda_pe *master; struct list_head slaves; + /* PCI peer-to-peer*/ + int p2p_initiator_count; + /* Link in list of PE#s */ struct list_head list; }; @@ -189,6 +192,7 @@ struct pnv_phb { #ifdef CONFIG_CXL_BASE struct cxl_afu *cxl_afu; #endif + int p2p_target_count; }; extern struct pci_ops pnv_pci_ops; @@ -229,6 +233,7 @@ extern void pnv_teardown_msi_irqs(struct pci_dev *pdev); extern struct pnv_ioda_pe *pnv_ioda_get_pe(struct pci_dev *dev); extern void pnv_set_msi_irq_chip(struct pnv_phb *phb, unsigned int virq); extern bool pnv_pci_enable_device_hook(struct pci_dev *dev); +extern void pnv_pci_ioda2_set_bypass(struct pnv_ioda_pe *pe, bool enable); extern void pe_level_printk(const struct pnv_ioda_pe *pe, const char *level, const char *fmt, ...); diff --git a/arch/powerpc/platforms/powernv/rng.c b/arch/powerpc/platforms/powernv/rng.c index 1a9d84371a4d..c5ce3a8bd4c9 100644 --- a/arch/powerpc/platforms/powernv/rng.c +++ b/arch/powerpc/platforms/powernv/rng.c @@ -16,11 +16,13 @@ #include <linux/slab.h> #include <linux/smp.h> #include <asm/archrandom.h> +#include <asm/cputable.h> #include <asm/io.h> #include <asm/prom.h> #include <asm/machdep.h> #include <asm/smp.h> +#define DARN_ERR 0xFFFFFFFFFFFFFFFFul struct powernv_rng { void __iomem *regs; @@ -67,6 +69,41 @@ int powernv_get_random_real_mode(unsigned long *v) return 1; } +int powernv_get_random_darn(unsigned long *v) +{ + unsigned long val; + + /* Using DARN with L=1 - 64-bit conditioned random number */ + asm volatile(PPC_DARN(%0, 1) : "=r"(val)); + + if (val == DARN_ERR) + return 0; + + *v = val; + + return 1; +} + +static int initialise_darn(void) +{ + unsigned long val; + int i; + + if (!cpu_has_feature(CPU_FTR_ARCH_300)) + return -ENODEV; + + for (i = 0; i < 10; i++) { + if (powernv_get_random_darn(&val)) { + ppc_md.get_random_seed = powernv_get_random_darn; + return 0; + } + } + + pr_warn("Unable to use DARN for get_random_seed()\n"); + + return -EIO; +} + int powernv_get_random_long(unsigned long *v) { struct powernv_rng *rng; @@ -150,6 +187,8 @@ static __init int rng_init(void) of_platform_device_create(dn, NULL, NULL); } + initialise_darn(); + return 0; } machine_subsys_initcall(powernv, rng_init); diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c index 40dae96f7e20..c17f81e433f7 100644 --- a/arch/powerpc/platforms/powernv/smp.c +++ b/arch/powerpc/platforms/powernv/smp.c @@ -57,7 +57,7 @@ static void pnv_smp_setup_cpu(int cpu) static int pnv_smp_kick_cpu(int nr) { - unsigned int pcpu = get_hard_smp_processor_id(nr); + unsigned int pcpu; unsigned long start_here = __pa(ppc_function_entry(generic_secondary_smp_init)); long rc; @@ -66,6 +66,7 @@ static int pnv_smp_kick_cpu(int nr) if (nr < 0 || nr >= nr_cpu_ids) return -EINVAL; + pcpu = get_hard_smp_processor_id(nr); /* * If we already started or OPAL is not supported, we just * kick the CPU via the PACA @@ -164,12 +165,6 @@ static void pnv_smp_cpu_kill_self(void) if (cpu_has_feature(CPU_FTR_ARCH_207S)) wmask = SRR1_WAKEMASK_P8; - /* We don't want to take decrementer interrupts while we are offline, - * so clear LPCR:PECE1. We keep PECE2 (and LPCR_PECE_HVEE on P9) - * enabled as to let IPIs in. - */ - mtspr(SPRN_LPCR, mfspr(SPRN_LPCR) & ~(u64)LPCR_PECE1); - while (!generic_check_cpu_restart(cpu)) { /* * Clear IPI flag, since we don't handle IPIs while @@ -219,8 +214,6 @@ static void pnv_smp_cpu_kill_self(void) } - /* Re-enable decrementer interrupts */ - mtspr(SPRN_LPCR, mfspr(SPRN_LPCR) | LPCR_PECE1); DBG("CPU%d coming online...\n", cpu); } diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index ca9b2f4aaa22..9e3afd238d34 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -336,7 +336,38 @@ static struct memory_block *lmb_to_memblock(struct of_drconf_cell *lmb) return mem_block; } +static int dlpar_change_lmb_state(struct of_drconf_cell *lmb, bool online) +{ + struct memory_block *mem_block; + int rc; + + mem_block = lmb_to_memblock(lmb); + if (!mem_block) + return -EINVAL; + + if (online && mem_block->dev.offline) + rc = device_online(&mem_block->dev); + else if (!online && !mem_block->dev.offline) + rc = device_offline(&mem_block->dev); + else + rc = 0; + + put_device(&mem_block->dev); + + return rc; +} + +static int dlpar_online_lmb(struct of_drconf_cell *lmb) +{ + return dlpar_change_lmb_state(lmb, true); +} + #ifdef CONFIG_MEMORY_HOTREMOVE +static int dlpar_offline_lmb(struct of_drconf_cell *lmb) +{ + return dlpar_change_lmb_state(lmb, false); +} + static int pseries_remove_memblock(unsigned long base, unsigned int memblock_size) { unsigned long block_sz, start_pfn; @@ -431,19 +462,13 @@ static int dlpar_add_lmb(struct of_drconf_cell *); static int dlpar_remove_lmb(struct of_drconf_cell *lmb) { - struct memory_block *mem_block; unsigned long block_sz; int nid, rc; if (!lmb_is_removable(lmb)) return -EINVAL; - mem_block = lmb_to_memblock(lmb); - if (!mem_block) - return -EINVAL; - - rc = device_offline(&mem_block->dev); - put_device(&mem_block->dev); + rc = dlpar_offline_lmb(lmb); if (rc) return rc; @@ -737,20 +762,6 @@ static int dlpar_memory_remove_by_ic(u32 lmbs_to_remove, u32 drc_index, } #endif /* CONFIG_MEMORY_HOTREMOVE */ -static int dlpar_online_lmb(struct of_drconf_cell *lmb) -{ - struct memory_block *mem_block; - int rc; - - mem_block = lmb_to_memblock(lmb); - if (!mem_block) - return -EINVAL; - - rc = device_online(&mem_block->dev); - put_device(&mem_block->dev); - return rc; -} - static int dlpar_add_lmb(struct of_drconf_cell *lmb) { unsigned long block_sz; diff --git a/arch/powerpc/platforms/pseries/pseries_energy.c b/arch/powerpc/platforms/pseries/pseries_energy.c index 164a13d3998a..35c891aabef0 100644 --- a/arch/powerpc/platforms/pseries/pseries_energy.c +++ b/arch/powerpc/platforms/pseries/pseries_energy.c @@ -229,10 +229,9 @@ static int __init pseries_energy_init(void) int cpu, err; struct device *cpu_dev; - if (!firmware_has_feature(FW_FEATURE_BEST_ENERGY)) { - printk(KERN_INFO "Hypercall H_BEST_ENERGY not supported\n"); - return 0; - } + if (!firmware_has_feature(FW_FEATURE_BEST_ENERGY)) + return 0; /* H_BEST_ENERGY hcall not supported */ + /* Create the sysfs files */ err = device_create_file(cpu_subsys.dev_root, &attr_cpu_activate_hint_list); diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index 011ef2180fe6..296c188fd5ca 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -362,20 +362,13 @@ static int do_update_property(char *buf, size_t bufsize) static ssize_t ofdt_write(struct file *file, const char __user *buf, size_t count, loff_t *off) { - int rv = 0; + int rv; char *kbuf; char *tmp; - if (!(kbuf = kmalloc(count + 1, GFP_KERNEL))) { - rv = -ENOMEM; - goto out; - } - if (copy_from_user(kbuf, buf, count)) { - rv = -EFAULT; - goto out; - } - - kbuf[count] = '\0'; + kbuf = memdup_user_nul(buf, count); + if (IS_ERR(kbuf)) + return PTR_ERR(kbuf); tmp = strchr(kbuf, ' '); if (!tmp) { diff --git a/arch/powerpc/purgatory/trampoline.S b/arch/powerpc/purgatory/trampoline.S index 3696ea6c4826..30277446892c 100644 --- a/arch/powerpc/purgatory/trampoline.S +++ b/arch/powerpc/purgatory/trampoline.S @@ -67,7 +67,7 @@ master: mr %r16,%r3 /* save dt address in reg16 */ li %r4,20 LWZX_BE %r6,%r3,%r4 /* fetch __be32 version number at byte 20 */ - cmpwi %r0,%r6,2 /* v2 or later? */ + cmpwi %cr0,%r6,2 /* v2 or later? */ blt 1f li %r4,28 STWX_BE %r17,%r3,%r4 /* Store my cpu as __be32 at byte 28 */ diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index c0ae11d4f62f..79416fa2e3ba 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile @@ -36,25 +36,15 @@ obj-$(CONFIG_AXON_RAM) += axonram.o obj-$(CONFIG_PPC_INDIRECT_PCI) += indirect_pci.o obj-$(CONFIG_PPC_I8259) += i8259.o obj-$(CONFIG_IPIC) += ipic.o -obj-$(CONFIG_4xx) += uic.o -obj-$(CONFIG_PPC4xx_OCM) += ppc4xx_ocm.o -obj-$(CONFIG_4xx_SOC) += ppc4xx_soc.o obj-$(CONFIG_XILINX_VIRTEX) += xilinx_intc.o obj-$(CONFIG_XILINX_PCI) += xilinx_pci.o obj-$(CONFIG_OF_RTC) += of_rtc.o -ifeq ($(CONFIG_PCI),y) -obj-$(CONFIG_4xx) += ppc4xx_pci.o -endif -obj-$(CONFIG_PPC4xx_HSTA_MSI) += ppc4xx_hsta_msi.o -obj-$(CONFIG_PPC4xx_MSI) += ppc4xx_msi.o -obj-$(CONFIG_PPC4xx_CPM) += ppc4xx_cpm.o -obj-$(CONFIG_PPC4xx_GPIO) += ppc4xx_gpio.o obj-$(CONFIG_CPM) += cpm_common.o +obj-$(CONFIG_CPM1) += cpm1.o obj-$(CONFIG_CPM2) += cpm2.o cpm2_pic.o obj-$(CONFIG_QUICC_ENGINE) += cpm_common.o obj-$(CONFIG_PPC_DCR) += dcr.o -obj-$(CONFIG_8xx) += mpc8xx_pic.o cpm1.o obj-$(CONFIG_UCODE_PATCH) += micropatch.o obj-$(CONFIG_PPC_MPC512x) += mpc5xxx_clocks.o diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index 19101f9cfcfc..1f614fb2be56 100644 --- a/arch/powerpc/sysdev/fsl_soc.c +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -98,7 +98,7 @@ u32 fsl_get_sys_freq(void) } EXPORT_SYMBOL(fsl_get_sys_freq); -#if defined(CONFIG_CPM2) || defined(CONFIG_QUICC_ENGINE) || defined(CONFIG_8xx) +#if defined(CONFIG_CPM) || defined(CONFIG_QUICC_ENGINE) u32 get_brgfreq(void) { diff --git a/arch/powerpc/sysdev/fsl_soc.h b/arch/powerpc/sysdev/fsl_soc.h index d73daa4f0ccf..2640446f8bc4 100644 --- a/arch/powerpc/sysdev/fsl_soc.h +++ b/arch/powerpc/sysdev/fsl_soc.h @@ -7,7 +7,7 @@ struct spi_device; extern phys_addr_t get_immrbase(void); -#if defined(CONFIG_CPM2) || defined(CONFIG_QUICC_ENGINE) || defined(CONFIG_8xx) +#if defined(CONFIG_CPM) || defined(CONFIG_QUICC_ENGINE) extern u32 get_brgfreq(void); extern u32 get_baudrate(void); #else diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c index f267ee0afc08..16f1edd78c40 100644 --- a/arch/powerpc/sysdev/ipic.c +++ b/arch/powerpc/sysdev/ipic.c @@ -315,6 +315,7 @@ static struct ipic_info ipic_info[] = { .prio_mask = 7, }, [48] = { + .ack = IPIC_SEPNR, .mask = IPIC_SEMSR, .prio = IPIC_SMPRR_A, .force = IPIC_SEFCR, diff --git a/arch/powerpc/sysdev/mv64x60_pci.c b/arch/powerpc/sysdev/mv64x60_pci.c index 330d56613c5a..f1fe17265981 100644 --- a/arch/powerpc/sysdev/mv64x60_pci.c +++ b/arch/powerpc/sysdev/mv64x60_pci.c @@ -70,7 +70,7 @@ static ssize_t mv64x60_hs_reg_write(struct file *filp, struct kobject *kobj, return count; } -static struct bin_attribute mv64x60_hs_reg_attr = { /* Hotswap register */ +static const struct bin_attribute mv64x60_hs_reg_attr = { /* Hotswap register */ .attr = { .name = "hs_reg", .mode = S_IRUGO | S_IWUSR, diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index 6595462b1fc8..0db4c45bc561 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -190,7 +190,7 @@ static u32 xive_scan_interrupts(struct xive_cpu *xc, bool just_peek) * This is used to perform the magic loads from an ESB * described in xive.h */ -static u8 xive_poke_esb(struct xive_irq_data *xd, u32 offset) +static notrace u8 xive_poke_esb(struct xive_irq_data *xd, u32 offset) { u64 val; @@ -204,7 +204,7 @@ static u8 xive_poke_esb(struct xive_irq_data *xd, u32 offset) } #ifdef CONFIG_XMON -static void xive_dump_eq(const char *name, struct xive_q *q) +static notrace void xive_dump_eq(const char *name, struct xive_q *q) { u32 i0, i1, idx; @@ -218,7 +218,7 @@ static void xive_dump_eq(const char *name, struct xive_q *q) q->toggle, i0, i1); } -void xmon_xive_do_dump(int cpu) +notrace void xmon_xive_do_dump(int cpu) { struct xive_cpu *xc = per_cpu(xive_cpu, cpu); @@ -672,6 +672,10 @@ static int xive_irq_set_affinity(struct irq_data *d, if (cpumask_any_and(cpumask, cpu_online_mask) >= nr_cpu_ids) return -EINVAL; + /* Don't do anything if the interrupt isn't started */ + if (!irqd_is_started(d)) + return IRQ_SET_MASK_OK; + /* * If existing target is already in the new mask, and is * online then do nothing. @@ -1395,8 +1399,8 @@ void xive_shutdown(void) xive_ops->shutdown(); } -bool xive_core_init(const struct xive_ops *ops, void __iomem *area, u32 offset, - u8 max_prio) +bool __init xive_core_init(const struct xive_ops *ops, void __iomem *area, u32 offset, + u8 max_prio) { xive_tima = area; xive_tima_offset = offset; diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c index 0f95476b01f6..1dbf782c9239 100644 --- a/arch/powerpc/sysdev/xive/native.c +++ b/arch/powerpc/sysdev/xive/native.c @@ -531,7 +531,7 @@ u32 xive_native_default_eq_shift(void) } EXPORT_SYMBOL_GPL(xive_native_default_eq_shift); -bool xive_native_init(void) +bool __init xive_native_init(void) { struct device_node *np; struct resource r; diff --git a/arch/powerpc/xmon/Makefile b/arch/powerpc/xmon/Makefile index 0b2f771593eb..1dd88315cff4 100644 --- a/arch/powerpc/xmon/Makefile +++ b/arch/powerpc/xmon/Makefile @@ -5,6 +5,10 @@ subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror GCOV_PROFILE := n UBSAN_SANITIZE := n +# Disable ftrace for the entire directory +ORIG_CFLAGS := $(KBUILD_CFLAGS) +KBUILD_CFLAGS = $(subst -mno-sched-epilog,,$(subst $(CC_FLAGS_FTRACE),,$(ORIG_CFLAGS))) + ccflags-$(CONFIG_PPC64) := $(NO_MINIMAL_TOC) obj-y += xmon.o nonstdio.o spr_access.o diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 08e367e3e8c3..d038e7db44c4 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -89,6 +89,7 @@ static unsigned long nidump = 16; static unsigned long ncsum = 4096; static int termch; static char tmpstr[128]; +static int tracing_enabled; static long bus_error_jmp[JMP_BUF_LEN]; static int catch_memory_errors; @@ -234,6 +235,7 @@ Commands:\n\ "\ dr dump stream of raw bytes\n\ dt dump the tracing buffers (uses printk)\n\ + dtc dump the tracing buffers for current CPU (uses printk)\n\ " #ifdef CONFIG_PPC_POWERNV " dx# dump xive on CPU #\n\ @@ -461,6 +463,9 @@ static int xmon_core(struct pt_regs *regs, int fromipi) local_irq_save(flags); hard_irq_disable(); + tracing_enabled = tracing_is_on(); + tracing_off(); + bp = in_breakpoint_table(regs->nip, &offset); if (bp != NULL) { regs->nip = bp->address + offset; @@ -981,6 +986,8 @@ cmds(struct pt_regs *excp) break; case 'x': case 'X': + if (tracing_enabled) + tracing_on(); return cmd; case EOF: printf(" <no input ...>\n"); @@ -2231,6 +2238,17 @@ static void xmon_rawdump (unsigned long adrs, long ndump) printf("\n"); } +static void dump_tracing(void) +{ + int c; + + c = inchar(); + if (c == 'c') + ftrace_dump(DUMP_ORIG); + else + ftrace_dump(DUMP_ALL); +} + #ifdef CONFIG_PPC64 static void dump_one_paca(int cpu) { @@ -2507,6 +2525,11 @@ dump(void) } #endif + if (c == 't') { + dump_tracing(); + return; + } + if (c == '\n') termch = c; @@ -2525,9 +2548,6 @@ dump(void) dump_log_buf(); } else if (c == 'o') { dump_opal_msglog(); - } else if (c == 't') { - ftrace_dump(DUMP_ALL); - tracing_on(); } else if (c == 'r') { scanhex(&ndump); if (ndump == 0) diff --git a/arch/s390/include/asm/bug.h b/arch/s390/include/asm/bug.h index 1bbd9dbfe4e0..ce9cc123988b 100644 --- a/arch/s390/include/asm/bug.h +++ b/arch/s390/include/asm/bug.h @@ -14,7 +14,7 @@ ".section .rodata.str,\"aMS\",@progbits,1\n" \ "2: .asciz \""__FILE__"\"\n" \ ".previous\n" \ - ".section __bug_table,\"a\"\n" \ + ".section __bug_table,\"aw\"\n" \ "3: .long 1b-3b,2b-3b\n" \ " .short %0,%1\n" \ " .org 3b+%2\n" \ @@ -30,7 +30,7 @@ asm volatile( \ "0: j 0b+2\n" \ "1:\n" \ - ".section __bug_table,\"a\"\n" \ + ".section __bug_table,\"aw\"\n" \ "2: .long 1b-2b\n" \ " .short %0\n" \ " .org 2b+%1\n" \ diff --git a/arch/sh/include/asm/bug.h b/arch/sh/include/asm/bug.h index c9828f785ca0..5b5086367639 100644 --- a/arch/sh/include/asm/bug.h +++ b/arch/sh/include/asm/bug.h @@ -24,14 +24,14 @@ */ #ifdef CONFIG_DEBUG_BUGVERBOSE #define _EMIT_BUG_ENTRY \ - "\t.pushsection __bug_table,\"a\"\n" \ + "\t.pushsection __bug_table,\"aw\"\n" \ "2:\t.long 1b, %O1\n" \ "\t.short %O2, %O3\n" \ "\t.org 2b+%O4\n" \ "\t.popsection\n" #else #define _EMIT_BUG_ENTRY \ - "\t.pushsection __bug_table,\"a\"\n" \ + "\t.pushsection __bug_table,\"aw\"\n" \ "2:\t.long 1b\n" \ "\t.short %O3\n" \ "\t.org 2b+%O4\n" \ diff --git a/arch/sh/include/uapi/asm/ioctls.h b/arch/sh/include/uapi/asm/ioctls.h index eec7901e9e65..787bac9f67da 100644 --- a/arch/sh/include/uapi/asm/ioctls.h +++ b/arch/sh/include/uapi/asm/ioctls.h @@ -93,7 +93,7 @@ #define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */ #define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */ #define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */ -#define TIOCGPTPEER _IOR('T', 0x41, int) /* Safely open the slave */ +#define TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */ #define TIOCSERCONFIG _IO('T', 83) /* 0x5453 */ #define TIOCSERGWILD _IOR('T', 84, int) /* 0x5454 */ diff --git a/arch/sparc/include/asm/trap_block.h b/arch/sparc/include/asm/trap_block.h index ec9c04de3664..ff05992dae7a 100644 --- a/arch/sparc/include/asm/trap_block.h +++ b/arch/sparc/include/asm/trap_block.h @@ -54,6 +54,7 @@ extern struct trap_per_cpu trap_block[NR_CPUS]; void init_cur_cpu_trap(struct thread_info *); void setup_tba(void); extern int ncpus_probed; +extern u64 cpu_mondo_counter[NR_CPUS]; unsigned long real_hard_smp_processor_id(void); diff --git a/arch/sparc/include/uapi/asm/ioctls.h b/arch/sparc/include/uapi/asm/ioctls.h index 6d27398632ea..f5df72b93bb2 100644 --- a/arch/sparc/include/uapi/asm/ioctls.h +++ b/arch/sparc/include/uapi/asm/ioctls.h @@ -88,7 +88,7 @@ #define TIOCGPTN _IOR('t', 134, unsigned int) /* Get Pty Number */ #define TIOCSPTLCK _IOW('t', 135, int) /* Lock/unlock PTY */ #define TIOCSIG _IOW('t', 136, int) /* Generate signal on Pty slave */ -#define TIOCGPTPEER _IOR('t', 137, int) /* Safely open the slave */ +#define TIOCGPTPEER _IO('t', 137) /* Safely open the slave */ /* Little f */ #define FIOCLEX _IO('f', 1) diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c index 24f21c726dfa..f10e2f712394 100644 --- a/arch/sparc/kernel/pci_sun4v.c +++ b/arch/sparc/kernel/pci_sun4v.c @@ -673,12 +673,14 @@ static void dma_4v_unmap_sg(struct device *dev, struct scatterlist *sglist, static int dma_4v_supported(struct device *dev, u64 device_mask) { struct iommu *iommu = dev->archdata.iommu; - u64 dma_addr_mask; + u64 dma_addr_mask = iommu->dma_addr_mask; - if (device_mask > DMA_BIT_MASK(32) && iommu->atu) - dma_addr_mask = iommu->atu->dma_addr_mask; - else - dma_addr_mask = iommu->dma_addr_mask; + if (device_mask > DMA_BIT_MASK(32)) { + if (iommu->atu) + dma_addr_mask = iommu->atu->dma_addr_mask; + else + return 0; + } if ((device_mask & dma_addr_mask) == dma_addr_mask) return 1; diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index fdf31040a7dc..3218bc43302e 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -622,22 +622,48 @@ retry: } } -/* Multi-cpu list version. */ +#define CPU_MONDO_COUNTER(cpuid) (cpu_mondo_counter[cpuid]) +#define MONDO_USEC_WAIT_MIN 2 +#define MONDO_USEC_WAIT_MAX 100 +#define MONDO_RETRY_LIMIT 500000 + +/* Multi-cpu list version. + * + * Deliver xcalls to 'cnt' number of cpus in 'cpu_list'. + * Sometimes not all cpus receive the mondo, requiring us to re-send + * the mondo until all cpus have received, or cpus are truly stuck + * unable to receive mondo, and we timeout. + * Occasionally a target cpu strand is borrowed briefly by hypervisor to + * perform guest service, such as PCIe error handling. Consider the + * service time, 1 second overall wait is reasonable for 1 cpu. + * Here two in-between mondo check wait time are defined: 2 usec for + * single cpu quick turn around and up to 100usec for large cpu count. + * Deliver mondo to large number of cpus could take longer, we adjusts + * the retry count as long as target cpus are making forward progress. + */ static void hypervisor_xcall_deliver(struct trap_per_cpu *tb, int cnt) { - int retries, this_cpu, prev_sent, i, saw_cpu_error; + int this_cpu, tot_cpus, prev_sent, i, rem; + int usec_wait, retries, tot_retries; + u16 first_cpu = 0xffff; + unsigned long xc_rcvd = 0; unsigned long status; + int ecpuerror_id = 0; + int enocpu_id = 0; u16 *cpu_list; + u16 cpu; this_cpu = smp_processor_id(); - cpu_list = __va(tb->cpu_list_pa); - - saw_cpu_error = 0; - retries = 0; + usec_wait = cnt * MONDO_USEC_WAIT_MIN; + if (usec_wait > MONDO_USEC_WAIT_MAX) + usec_wait = MONDO_USEC_WAIT_MAX; + retries = tot_retries = 0; + tot_cpus = cnt; prev_sent = 0; + do { - int forward_progress, n_sent; + int n_sent, mondo_delivered, target_cpu_busy; status = sun4v_cpu_mondo_send(cnt, tb->cpu_list_pa, @@ -645,94 +671,113 @@ static void hypervisor_xcall_deliver(struct trap_per_cpu *tb, int cnt) /* HV_EOK means all cpus received the xcall, we're done. */ if (likely(status == HV_EOK)) - break; + goto xcall_done; + + /* If not these non-fatal errors, panic */ + if (unlikely((status != HV_EWOULDBLOCK) && + (status != HV_ECPUERROR) && + (status != HV_ENOCPU))) + goto fatal_errors; /* First, see if we made any forward progress. * + * Go through the cpu_list, count the target cpus that have + * received our mondo (n_sent), and those that did not (rem). + * Re-pack cpu_list with the cpus remain to be retried in the + * front - this simplifies tracking the truly stalled cpus. + * * The hypervisor indicates successful sends by setting * cpu list entries to the value 0xffff. + * + * EWOULDBLOCK means some target cpus did not receive the + * mondo and retry usually helps. + * + * ECPUERROR means at least one target cpu is in error state, + * it's usually safe to skip the faulty cpu and retry. + * + * ENOCPU means one of the target cpu doesn't belong to the + * domain, perhaps offlined which is unexpected, but not + * fatal and it's okay to skip the offlined cpu. */ + rem = 0; n_sent = 0; for (i = 0; i < cnt; i++) { - if (likely(cpu_list[i] == 0xffff)) + cpu = cpu_list[i]; + if (likely(cpu == 0xffff)) { n_sent++; + } else if ((status == HV_ECPUERROR) && + (sun4v_cpu_state(cpu) == HV_CPU_STATE_ERROR)) { + ecpuerror_id = cpu + 1; + } else if (status == HV_ENOCPU && !cpu_online(cpu)) { + enocpu_id = cpu + 1; + } else { + cpu_list[rem++] = cpu; + } } - forward_progress = 0; - if (n_sent > prev_sent) - forward_progress = 1; + /* No cpu remained, we're done. */ + if (rem == 0) + break; - prev_sent = n_sent; + /* Otherwise, update the cpu count for retry. */ + cnt = rem; - /* If we get a HV_ECPUERROR, then one or more of the cpus - * in the list are in error state. Use the cpu_state() - * hypervisor call to find out which cpus are in error state. + /* Record the overall number of mondos received by the + * first of the remaining cpus. */ - if (unlikely(status == HV_ECPUERROR)) { - for (i = 0; i < cnt; i++) { - long err; - u16 cpu; + if (first_cpu != cpu_list[0]) { + first_cpu = cpu_list[0]; + xc_rcvd = CPU_MONDO_COUNTER(first_cpu); + } - cpu = cpu_list[i]; - if (cpu == 0xffff) - continue; + /* Was any mondo delivered successfully? */ + mondo_delivered = (n_sent > prev_sent); + prev_sent = n_sent; - err = sun4v_cpu_state(cpu); - if (err == HV_CPU_STATE_ERROR) { - saw_cpu_error = (cpu + 1); - cpu_list[i] = 0xffff; - } - } - } else if (unlikely(status != HV_EWOULDBLOCK)) - goto fatal_mondo_error; + /* or, was any target cpu busy processing other mondos? */ + target_cpu_busy = (xc_rcvd < CPU_MONDO_COUNTER(first_cpu)); + xc_rcvd = CPU_MONDO_COUNTER(first_cpu); - /* Don't bother rewriting the CPU list, just leave the - * 0xffff and non-0xffff entries in there and the - * hypervisor will do the right thing. - * - * Only advance timeout state if we didn't make any - * forward progress. + /* Retry count is for no progress. If we're making progress, + * reset the retry count. */ - if (unlikely(!forward_progress)) { - if (unlikely(++retries > 10000)) - goto fatal_mondo_timeout; - - /* Delay a little bit to let other cpus catch up - * on their cpu mondo queue work. - */ - udelay(2 * cnt); + if (likely(mondo_delivered || target_cpu_busy)) { + tot_retries += retries; + retries = 0; + } else if (unlikely(retries > MONDO_RETRY_LIMIT)) { + goto fatal_mondo_timeout; } - } while (1); - if (unlikely(saw_cpu_error)) - goto fatal_mondo_cpu_error; + /* Delay a little bit to let other cpus catch up on + * their cpu mondo queue work. + */ + if (!mondo_delivered) + udelay(usec_wait); - return; + retries++; + } while (1); -fatal_mondo_cpu_error: - printk(KERN_CRIT "CPU[%d]: SUN4V mondo cpu error, some target cpus " - "(including %d) were in error state\n", - this_cpu, saw_cpu_error - 1); +xcall_done: + if (unlikely(ecpuerror_id > 0)) { + pr_crit("CPU[%d]: SUN4V mondo cpu error, target cpu(%d) was in error state\n", + this_cpu, ecpuerror_id - 1); + } else if (unlikely(enocpu_id > 0)) { + pr_crit("CPU[%d]: SUN4V mondo cpu error, target cpu(%d) does not belong to the domain\n", + this_cpu, enocpu_id - 1); + } return; +fatal_errors: + /* fatal errors include bad alignment, etc */ + pr_crit("CPU[%d]: Args were cnt(%d) cpulist_pa(%lx) mondo_block_pa(%lx)\n", + this_cpu, tot_cpus, tb->cpu_list_pa, tb->cpu_mondo_block_pa); + panic("Unexpected SUN4V mondo error %lu\n", status); + fatal_mondo_timeout: - printk(KERN_CRIT "CPU[%d]: SUN4V mondo timeout, no forward " - " progress after %d retries.\n", - this_cpu, retries); - goto dump_cpu_list_and_out; - -fatal_mondo_error: - printk(KERN_CRIT "CPU[%d]: Unexpected SUN4V mondo error %lu\n", - this_cpu, status); - printk(KERN_CRIT "CPU[%d]: Args were cnt(%d) cpulist_pa(%lx) " - "mondo_block_pa(%lx)\n", - this_cpu, cnt, tb->cpu_list_pa, tb->cpu_mondo_block_pa); - -dump_cpu_list_and_out: - printk(KERN_CRIT "CPU[%d]: CPU list [ ", this_cpu); - for (i = 0; i < cnt; i++) - printk("%u ", cpu_list[i]); - printk("]\n"); + /* some cpus being non-responsive to the cpu mondo */ + pr_crit("CPU[%d]: SUN4V mondo timeout, cpu(%d) made no forward progress after %d retries. Total target cpus(%d).\n", + this_cpu, first_cpu, (tot_retries + retries), tot_cpus); + panic("SUN4V mondo timeout panic\n"); } static void (*xcall_deliver_impl)(struct trap_per_cpu *, int); diff --git a/arch/sparc/kernel/sun4v_ivec.S b/arch/sparc/kernel/sun4v_ivec.S index 559bc5e9c199..34631995859a 100644 --- a/arch/sparc/kernel/sun4v_ivec.S +++ b/arch/sparc/kernel/sun4v_ivec.S @@ -26,6 +26,21 @@ sun4v_cpu_mondo: ldxa [%g0] ASI_SCRATCHPAD, %g4 sub %g4, TRAP_PER_CPU_FAULT_INFO, %g4 + /* Get smp_processor_id() into %g3 */ + sethi %hi(trap_block), %g5 + or %g5, %lo(trap_block), %g5 + sub %g4, %g5, %g3 + srlx %g3, TRAP_BLOCK_SZ_SHIFT, %g3 + + /* Increment cpu_mondo_counter[smp_processor_id()] */ + sethi %hi(cpu_mondo_counter), %g5 + or %g5, %lo(cpu_mondo_counter), %g5 + sllx %g3, 3, %g3 + add %g5, %g3, %g5 + ldx [%g5], %g3 + add %g3, 1, %g3 + stx %g3, [%g5] + /* Get CPU mondo queue base phys address into %g7. */ ldx [%g4 + TRAP_PER_CPU_CPU_MONDO_PA], %g7 diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c index 196ee5eb4d48..ad31af1dd726 100644 --- a/arch/sparc/kernel/traps_64.c +++ b/arch/sparc/kernel/traps_64.c @@ -2733,6 +2733,7 @@ void do_getpsr(struct pt_regs *regs) } } +u64 cpu_mondo_counter[NR_CPUS] = {0}; struct trap_per_cpu trap_block[NR_CPUS]; EXPORT_SYMBOL(trap_block); diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index fcb7604172ce..cd20ca0b4043 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -348,6 +348,7 @@ config X86_DEBUG_FPU config PUNIT_ATOM_DEBUG tristate "ATOM Punit debug driver" + depends on PCI select DEBUG_FS select IOSF_MBI ---help--- diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile index 0d810fb15eac..d88a2fddba8c 100644 --- a/arch/x86/boot/Makefile +++ b/arch/x86/boot/Makefile @@ -73,12 +73,13 @@ UBSAN_SANITIZE := n $(obj)/bzImage: asflags-y := $(SVGA_MODE) quiet_cmd_image = BUILD $@ +silent_redirect_image = >/dev/null cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \ - $(obj)/zoffset.h $@ + $(obj)/zoffset.h $@ $($(quiet)redirect_image) $(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE $(call if_changed,image) - @echo 'Kernel: $@ is ready' ' (#'`cat .version`')' + @$(kecho) 'Kernel: $@ is ready' ' (#'`cat .version`')' OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig index 6cf79e1a6830..0eb9f92f3717 100644 --- a/arch/x86/configs/i386_defconfig +++ b/arch/x86/configs/i386_defconfig @@ -1,5 +1,4 @@ # CONFIG_64BIT is not set -CONFIG_EXPERIMENTAL=y # CONFIG_LOCALVERSION_AUTO is not set CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y @@ -125,7 +124,6 @@ CONFIG_NF_CONNTRACK_IPV4=y CONFIG_IP_NF_IPTABLES=y CONFIG_IP_NF_FILTER=y CONFIG_IP_NF_TARGET_REJECT=y -CONFIG_IP_NF_TARGET_ULOG=y CONFIG_NF_NAT=y CONFIG_IP_NF_TARGET_MASQUERADE=y CONFIG_IP_NF_MANGLE=y @@ -255,7 +253,6 @@ CONFIG_USB_OHCI_HCD=y CONFIG_USB_UHCI_HCD=y CONFIG_USB_PRINTER=y CONFIG_USB_STORAGE=y -CONFIG_USB_LIBUSUAL=y CONFIG_EDAC=y CONFIG_RTC_CLASS=y # CONFIG_RTC_HCTOSYS is not set diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig index de45f57b410d..4a4b16e56d35 100644 --- a/arch/x86/configs/x86_64_defconfig +++ b/arch/x86/configs/x86_64_defconfig @@ -1,4 +1,3 @@ -CONFIG_EXPERIMENTAL=y # CONFIG_LOCALVERSION_AUTO is not set CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y @@ -124,7 +123,6 @@ CONFIG_NF_CONNTRACK_IPV4=y CONFIG_IP_NF_IPTABLES=y CONFIG_IP_NF_FILTER=y CONFIG_IP_NF_TARGET_REJECT=y -CONFIG_IP_NF_TARGET_ULOG=y CONFIG_NF_NAT=y CONFIG_IP_NF_TARGET_MASQUERADE=y CONFIG_IP_NF_MANGLE=y @@ -251,7 +249,6 @@ CONFIG_USB_OHCI_HCD=y CONFIG_USB_UHCI_HCD=y CONFIG_USB_PRINTER=y CONFIG_USB_STORAGE=y -CONFIG_USB_LIBUSUAL=y CONFIG_EDAC=y CONFIG_RTC_CLASS=y # CONFIG_RTC_HCTOSYS is not set diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index ff1ea2fb9705..8e3db8f642a7 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -191,8 +191,8 @@ static void release_pmc_hardware(void) {} static bool check_hw_exists(void) { - u64 val, val_fail, val_new= ~0; - int i, reg, reg_fail, ret = 0; + u64 val, val_fail = -1, val_new= ~0; + int i, reg, reg_fail = -1, ret = 0; int bios_fail = 0; int reg_safe = -1; diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index aa62437d1aa1..98b0f0729527 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -1708,6 +1708,120 @@ static __initconst const u64 glm_hw_cache_extra_regs }, }; +static __initconst const u64 glp_hw_cache_event_ids + [PERF_COUNT_HW_CACHE_MAX] + [PERF_COUNT_HW_CACHE_OP_MAX] + [PERF_COUNT_HW_CACHE_RESULT_MAX] = { + [C(L1D)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */ + [C(RESULT_MISS)] = 0x0, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */ + [C(RESULT_MISS)] = 0x0, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = 0x0, + [C(RESULT_MISS)] = 0x0, + }, + }, + [C(L1I)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = 0x0380, /* ICACHE.ACCESSES */ + [C(RESULT_MISS)] = 0x0280, /* ICACHE.MISSES */ + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = -1, + [C(RESULT_MISS)] = -1, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = 0x0, + [C(RESULT_MISS)] = 0x0, + }, + }, + [C(LL)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = 0x1b7, /* OFFCORE_RESPONSE */ + [C(RESULT_MISS)] = 0x1b7, /* OFFCORE_RESPONSE */ + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = 0x1b7, /* OFFCORE_RESPONSE */ + [C(RESULT_MISS)] = 0x1b7, /* OFFCORE_RESPONSE */ + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = 0x0, + [C(RESULT_MISS)] = 0x0, + }, + }, + [C(DTLB)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */ + [C(RESULT_MISS)] = 0xe08, /* DTLB_LOAD_MISSES.WALK_COMPLETED */ + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */ + [C(RESULT_MISS)] = 0xe49, /* DTLB_STORE_MISSES.WALK_COMPLETED */ + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = 0x0, + [C(RESULT_MISS)] = 0x0, + }, + }, + [C(ITLB)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = 0x00c0, /* INST_RETIRED.ANY_P */ + [C(RESULT_MISS)] = 0x0481, /* ITLB.MISS */ + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = -1, + [C(RESULT_MISS)] = -1, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = -1, + [C(RESULT_MISS)] = -1, + }, + }, + [C(BPU)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */ + [C(RESULT_MISS)] = 0x00c5, /* BR_MISP_RETIRED.ALL_BRANCHES */ + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = -1, + [C(RESULT_MISS)] = -1, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = -1, + [C(RESULT_MISS)] = -1, + }, + }, +}; + +static __initconst const u64 glp_hw_cache_extra_regs + [PERF_COUNT_HW_CACHE_MAX] + [PERF_COUNT_HW_CACHE_OP_MAX] + [PERF_COUNT_HW_CACHE_RESULT_MAX] = { + [C(LL)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = GLM_DEMAND_READ| + GLM_LLC_ACCESS, + [C(RESULT_MISS)] = GLM_DEMAND_READ| + GLM_LLC_MISS, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = GLM_DEMAND_WRITE| + GLM_LLC_ACCESS, + [C(RESULT_MISS)] = GLM_DEMAND_WRITE| + GLM_LLC_MISS, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = 0x0, + [C(RESULT_MISS)] = 0x0, + }, + }, +}; + #define KNL_OT_L2_HITE BIT_ULL(19) /* Other Tile L2 Hit */ #define KNL_OT_L2_HITF BIT_ULL(20) /* Other Tile L2 Hit */ #define KNL_MCDRAM_LOCAL BIT_ULL(21) @@ -3016,6 +3130,9 @@ static int hsw_hw_config(struct perf_event *event) return 0; } +static struct event_constraint counter0_constraint = + INTEL_ALL_EVENT_CONSTRAINT(0, 0x1); + static struct event_constraint counter2_constraint = EVENT_CONSTRAINT(0, 0x4, 0); @@ -3037,6 +3154,21 @@ hsw_get_event_constraints(struct cpu_hw_events *cpuc, int idx, return c; } +static struct event_constraint * +glp_get_event_constraints(struct cpu_hw_events *cpuc, int idx, + struct perf_event *event) +{ + struct event_constraint *c; + + /* :ppp means to do reduced skid PEBS which is PMC0 only. */ + if (event->attr.precise_ip == 3) + return &counter0_constraint; + + c = intel_get_event_constraints(cpuc, idx, event); + + return c; +} + /* * Broadwell: * @@ -3265,10 +3397,8 @@ static void intel_pmu_cpu_dying(int cpu) static void intel_pmu_sched_task(struct perf_event_context *ctx, bool sched_in) { - if (x86_pmu.pebs_active) - intel_pmu_pebs_sched_task(ctx, sched_in); - if (x86_pmu.lbr_nr) - intel_pmu_lbr_sched_task(ctx, sched_in); + intel_pmu_pebs_sched_task(ctx, sched_in); + intel_pmu_lbr_sched_task(ctx, sched_in); } PMU_FORMAT_ATTR(offcore_rsp, "config1:0-63"); @@ -3838,6 +3968,32 @@ __init int intel_pmu_init(void) pr_cont("Goldmont events, "); break; + case INTEL_FAM6_ATOM_GEMINI_LAKE: + memcpy(hw_cache_event_ids, glp_hw_cache_event_ids, + sizeof(hw_cache_event_ids)); + memcpy(hw_cache_extra_regs, glp_hw_cache_extra_regs, + sizeof(hw_cache_extra_regs)); + + intel_pmu_lbr_init_skl(); + + x86_pmu.event_constraints = intel_slm_event_constraints; + x86_pmu.pebs_constraints = intel_glp_pebs_event_constraints; + x86_pmu.extra_regs = intel_glm_extra_regs; + /* + * It's recommended to use CPU_CLK_UNHALTED.CORE_P + NPEBS + * for precise cycles. + */ + x86_pmu.pebs_aliases = NULL; + x86_pmu.pebs_prec_dist = true; + x86_pmu.lbr_pt_coexist = true; + x86_pmu.flags |= PMU_FL_HAS_RSP_1; + x86_pmu.get_event_constraints = glp_get_event_constraints; + x86_pmu.cpu_events = glm_events_attrs; + /* Goldmont Plus has 4-wide pipeline */ + event_attr_td_total_slots_scale_glm.event_str = "4"; + pr_cont("Goldmont plus events, "); + break; + case INTEL_FAM6_WESTMERE: case INTEL_FAM6_WESTMERE_EP: case INTEL_FAM6_WESTMERE_EX: diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c index 238ae3248ba5..4cf100ff2a37 100644 --- a/arch/x86/events/intel/cstate.c +++ b/arch/x86/events/intel/cstate.c @@ -40,16 +40,16 @@ * Model specific counters: * MSR_CORE_C1_RES: CORE C1 Residency Counter * perf code: 0x00 - * Available model: SLM,AMT + * Available model: SLM,AMT,GLM * Scope: Core (each processor core has a MSR) * MSR_CORE_C3_RESIDENCY: CORE C3 Residency Counter * perf code: 0x01 - * Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL + * Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL,GLM * Scope: Core * MSR_CORE_C6_RESIDENCY: CORE C6 Residency Counter * perf code: 0x02 * Available model: SLM,AMT,NHM,WSM,SNB,IVB,HSW,BDW - * SKL,KNL + * SKL,KNL,GLM * Scope: Core * MSR_CORE_C7_RESIDENCY: CORE C7 Residency Counter * perf code: 0x03 @@ -57,16 +57,17 @@ * Scope: Core * MSR_PKG_C2_RESIDENCY: Package C2 Residency Counter. * perf code: 0x00 - * Available model: SNB,IVB,HSW,BDW,SKL,KNL + * Available model: SNB,IVB,HSW,BDW,SKL,KNL,GLM * Scope: Package (physical package) * MSR_PKG_C3_RESIDENCY: Package C3 Residency Counter. * perf code: 0x01 * Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL,KNL + * GLM * Scope: Package (physical package) * MSR_PKG_C6_RESIDENCY: Package C6 Residency Counter. * perf code: 0x02 * Available model: SLM,AMT,NHM,WSM,SNB,IVB,HSW,BDW - * SKL,KNL + * SKL,KNL,GLM * Scope: Package (physical package) * MSR_PKG_C7_RESIDENCY: Package C7 Residency Counter. * perf code: 0x03 @@ -82,7 +83,7 @@ * Scope: Package (physical package) * MSR_PKG_C10_RESIDENCY: Package C10 Residency Counter. * perf code: 0x06 - * Available model: HSW ULT only + * Available model: HSW ULT, GLM * Scope: Package (physical package) * */ @@ -504,6 +505,17 @@ static const struct cstate_model knl_cstates __initconst = { }; +static const struct cstate_model glm_cstates __initconst = { + .core_events = BIT(PERF_CSTATE_CORE_C1_RES) | + BIT(PERF_CSTATE_CORE_C3_RES) | + BIT(PERF_CSTATE_CORE_C6_RES), + + .pkg_events = BIT(PERF_CSTATE_PKG_C2_RES) | + BIT(PERF_CSTATE_PKG_C3_RES) | + BIT(PERF_CSTATE_PKG_C6_RES) | + BIT(PERF_CSTATE_PKG_C10_RES), +}; + #define X86_CSTATES_MODEL(model, states) \ { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, (unsigned long) &(states) } @@ -546,6 +558,8 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = { X86_CSTATES_MODEL(INTEL_FAM6_XEON_PHI_KNL, knl_cstates), X86_CSTATES_MODEL(INTEL_FAM6_XEON_PHI_KNM, knl_cstates), + + X86_CSTATES_MODEL(INTEL_FAM6_ATOM_GOLDMONT, glm_cstates), { }, }; MODULE_DEVICE_TABLE(x86cpu, intel_cstates_match); diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c index c6d23ffe422d..a322fed5f8ed 100644 --- a/arch/x86/events/intel/ds.c +++ b/arch/x86/events/intel/ds.c @@ -606,12 +606,6 @@ static inline void intel_pmu_drain_pebs_buffer(void) x86_pmu.drain_pebs(®s); } -void intel_pmu_pebs_sched_task(struct perf_event_context *ctx, bool sched_in) -{ - if (!sched_in) - intel_pmu_drain_pebs_buffer(); -} - /* * PEBS */ @@ -651,6 +645,12 @@ struct event_constraint intel_glm_pebs_event_constraints[] = { EVENT_CONSTRAINT_END }; +struct event_constraint intel_glp_pebs_event_constraints[] = { + /* Allow all events as PEBS with no flags */ + INTEL_ALL_EVENT_CONSTRAINT(0, 0xf), + EVENT_CONSTRAINT_END +}; + struct event_constraint intel_nehalem_pebs_event_constraints[] = { INTEL_PLD_CONSTRAINT(0x100b, 0xf), /* MEM_INST_RETIRED.* */ INTEL_FLAGS_EVENT_CONSTRAINT(0x0f, 0xf), /* MEM_UNCORE_RETIRED.* */ @@ -816,6 +816,14 @@ static inline bool pebs_needs_sched_cb(struct cpu_hw_events *cpuc) return cpuc->n_pebs && (cpuc->n_pebs == cpuc->n_large_pebs); } +void intel_pmu_pebs_sched_task(struct perf_event_context *ctx, bool sched_in) +{ + struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); + + if (!sched_in && pebs_needs_sched_cb(cpuc)) + intel_pmu_drain_pebs_buffer(); +} + static inline void pebs_update_threshold(struct cpu_hw_events *cpuc) { struct debug_store *ds = cpuc->ds; @@ -889,6 +897,8 @@ void intel_pmu_pebs_enable(struct perf_event *event) if (hwc->flags & PERF_X86_EVENT_AUTO_RELOAD) { ds->pebs_event_reset[hwc->idx] = (u64)(-hwc->sample_period) & x86_pmu.cntval_mask; + } else { + ds->pebs_event_reset[hwc->idx] = 0; } } diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c index eb261656a320..955457a30197 100644 --- a/arch/x86/events/intel/lbr.c +++ b/arch/x86/events/intel/lbr.c @@ -380,8 +380,12 @@ static void __intel_pmu_lbr_save(struct x86_perf_task_context *task_ctx) void intel_pmu_lbr_sched_task(struct perf_event_context *ctx, bool sched_in) { + struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); struct x86_perf_task_context *task_ctx; + if (!cpuc->lbr_users) + return; + /* * If LBR callstack feature is enabled and the stack was saved when * the task was scheduled out, restore the stack. Otherwise flush diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h index 53728eea1bed..476aec3a4cab 100644 --- a/arch/x86/events/perf_event.h +++ b/arch/x86/events/perf_event.h @@ -879,6 +879,8 @@ extern struct event_constraint intel_slm_pebs_event_constraints[]; extern struct event_constraint intel_glm_pebs_event_constraints[]; +extern struct event_constraint intel_glp_pebs_event_constraints[]; + extern struct event_constraint intel_nehalem_pebs_event_constraints[]; extern struct event_constraint intel_westmere_pebs_event_constraints[]; diff --git a/arch/x86/include/asm/bug.h b/arch/x86/include/asm/bug.h index 39e702d90cdb..aa6b2023d8f8 100644 --- a/arch/x86/include/asm/bug.h +++ b/arch/x86/include/asm/bug.h @@ -35,7 +35,7 @@ #define _BUG_FLAGS(ins, flags) \ do { \ asm volatile("1:\t" ins "\n" \ - ".pushsection __bug_table,\"a\"\n" \ + ".pushsection __bug_table,\"aw\"\n" \ "2:\t" __BUG_REL(1b) "\t# bug_entry::bug_addr\n" \ "\t" __BUG_REL(%c0) "\t# bug_entry::file\n" \ "\t.word %c1" "\t# bug_entry::line\n" \ @@ -52,7 +52,7 @@ do { \ #define _BUG_FLAGS(ins, flags) \ do { \ asm volatile("1:\t" ins "\n" \ - ".pushsection __bug_table,\"a\"\n" \ + ".pushsection __bug_table,\"aw\"\n" \ "2:\t" __BUG_REL(1b) "\t# bug_entry::bug_addr\n" \ "\t.word %c0" "\t# bug_entry::flags\n" \ "\t.org 2b+%c1\n" \ diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index 7afb0e2f07f4..48febf07e828 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -328,13 +328,13 @@ static inline unsigned type in##bwl##_p(int port) \ static inline void outs##bwl(int port, const void *addr, unsigned long count) \ { \ asm volatile("rep; outs" #bwl \ - : "+S"(addr), "+c"(count) : "d"(port)); \ + : "+S"(addr), "+c"(count) : "d"(port) : "memory"); \ } \ \ static inline void ins##bwl(int port, void *addr, unsigned long count) \ { \ asm volatile("rep; ins" #bwl \ - : "+D"(addr), "+c"(count) : "d"(port)); \ + : "+D"(addr), "+c"(count) : "d"(port) : "memory"); \ } BUILDIO(b, b, char) diff --git a/arch/x86/include/asm/kprobes.h b/arch/x86/include/asm/kprobes.h index 34b984c60790..6cf65437b5e5 100644 --- a/arch/x86/include/asm/kprobes.h +++ b/arch/x86/include/asm/kprobes.h @@ -52,10 +52,10 @@ typedef u8 kprobe_opcode_t; #define flush_insn_slot(p) do { } while (0) /* optinsn template addresses */ -extern __visible kprobe_opcode_t optprobe_template_entry; -extern __visible kprobe_opcode_t optprobe_template_val; -extern __visible kprobe_opcode_t optprobe_template_call; -extern __visible kprobe_opcode_t optprobe_template_end; +extern __visible kprobe_opcode_t optprobe_template_entry[]; +extern __visible kprobe_opcode_t optprobe_template_val[]; +extern __visible kprobe_opcode_t optprobe_template_call[]; +extern __visible kprobe_opcode_t optprobe_template_end[]; #define MAX_OPTIMIZED_LENGTH (MAX_INSN_SIZE + RELATIVE_ADDR_SIZE) #define MAX_OPTINSN_SIZE \ (((unsigned long)&optprobe_template_end - \ diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h index ecfcb6643c9b..265c907d7d4c 100644 --- a/arch/x86/include/asm/mmu_context.h +++ b/arch/x86/include/asm/mmu_context.h @@ -293,7 +293,7 @@ static inline unsigned long __get_current_cr3_fast(void) unsigned long cr3 = __pa(this_cpu_read(cpu_tlbstate.loaded_mm)->pgd); /* For now, be very restrictive about when this can be called. */ - VM_WARN_ON(in_nmi() || !in_atomic()); + VM_WARN_ON(in_nmi() || preemptible()); VM_BUG_ON(cr3 != __read_cr3()); return cr3; diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index cb976bab6299..9ffc36bfe4cd 100644 --- a/arch/x86/include/asm/paravirt_types.h +++ b/arch/x86/include/asm/paravirt_types.h @@ -84,7 +84,7 @@ struct pv_init_ops { */ unsigned (*patch)(u8 type, u16 clobber, void *insnbuf, unsigned long addr, unsigned len); -}; +} __no_randomize_layout; struct pv_lazy_ops { @@ -92,12 +92,12 @@ struct pv_lazy_ops { void (*enter)(void); void (*leave)(void); void (*flush)(void); -}; +} __no_randomize_layout; struct pv_time_ops { unsigned long long (*sched_clock)(void); unsigned long long (*steal_clock)(int cpu); -}; +} __no_randomize_layout; struct pv_cpu_ops { /* hooks for various privileged instructions */ @@ -176,7 +176,7 @@ struct pv_cpu_ops { void (*start_context_switch)(struct task_struct *prev); void (*end_context_switch)(struct task_struct *next); -}; +} __no_randomize_layout; struct pv_irq_ops { /* @@ -199,7 +199,7 @@ struct pv_irq_ops { #ifdef CONFIG_X86_64 void (*adjust_exception_frame)(void); #endif -}; +} __no_randomize_layout; struct pv_mmu_ops { unsigned long (*read_cr2)(void); @@ -305,7 +305,7 @@ struct pv_mmu_ops { an mfn. We can tell which is which from the index. */ void (*set_fixmap)(unsigned /* enum fixed_addresses */ idx, phys_addr_t phys, pgprot_t flags); -}; +} __no_randomize_layout; struct arch_spinlock; #ifdef CONFIG_SMP @@ -322,7 +322,7 @@ struct pv_lock_ops { void (*kick)(int cpu); struct paravirt_callee_save vcpu_is_preempted; -}; +} __no_randomize_layout; /* This contains all the paravirt structures: we get a convenient * number for each function using the offset which we use to indicate @@ -334,7 +334,7 @@ struct paravirt_patch_template { struct pv_irq_ops pv_irq_ops; struct pv_mmu_ops pv_mmu_ops; struct pv_lock_ops pv_lock_ops; -}; +} __no_randomize_layout; extern struct pv_info pv_info; extern struct pv_init_ops pv_init_ops; diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 6a79547e8ee0..028245e1c42b 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -129,7 +129,7 @@ struct cpuinfo_x86 { /* Index into per_cpu list: */ u16 cpu_index; u32 microcode; -}; +} __randomize_layout; struct cpuid_regs { u32 eax, ebx, ecx, edx; diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 6bb680671088..7491e73d9253 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -347,6 +347,14 @@ static void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, struct mpc_intsrc mp_irq; /* + * Check bus_irq boundary. + */ + if (bus_irq >= NR_IRQS_LEGACY) { + pr_warn("Invalid bus_irq %u for legacy override\n", bus_irq); + return; + } + + /* * Convert 'gsi' to 'ioapic.pin'. */ ioapic = mp_find_ioapic(gsi); diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index b4f5f73febdb..237e9c2341c7 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -2093,7 +2093,7 @@ static inline void __init check_timer(void) int idx; idx = find_irq_entry(apic1, pin1, mp_INT); if (idx != -1 && irq_trigger(idx)) - unmask_ioapic_irq(irq_get_chip_data(0)); + unmask_ioapic_irq(irq_get_irq_data(0)); } irq_domain_deactivate_irq(irq_data); irq_domain_activate_irq(irq_data); diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index bb5abe8f5fd4..3b9e220621f8 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -134,6 +134,7 @@ static void init_amd_k6(struct cpuinfo_x86 *c) n = K6_BUG_LOOP; f_vide = vide; + OPTIMIZER_HIDE_VAR(f_vide); d = rdtsc(); while (n--) f_vide(); diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c index 3fe45f84ced4..cbf1f6ba39a8 100644 --- a/arch/x86/kernel/devicetree.c +++ b/arch/x86/kernel/devicetree.c @@ -235,8 +235,7 @@ static void __init dtb_add_ioapic(struct device_node *dn) ret = of_address_to_resource(dn, 0, &r); if (ret) { - printk(KERN_ERR "Can't obtain address from node %s.\n", - dn->full_name); + printk(KERN_ERR "Can't obtain address from device node %pOF.\n", dn); return; } mp_register_ioapic(++ioapic_id, r.start, gsi_top, &cfg); diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index 760433b2574a..2688c7dc5323 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -22,7 +22,7 @@ config KVM depends on HAVE_KVM depends on HIGH_RES_TIMERS # for TASKSTATS/TASK_DELAY_ACCT: - depends on NET + depends on NET && MULTIUSER select PREEMPT_NOTIFIERS select MMU_NOTIFIER select ANON_INODES diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index 2695a34fa1c5..337b6d2730fa 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -649,9 +649,10 @@ void kvm_hv_process_stimers(struct kvm_vcpu *vcpu) } if ((stimer->config & HV_STIMER_ENABLE) && - stimer->count) - stimer_start(stimer); - else + stimer->count) { + if (!stimer->msg_pending) + stimer_start(stimer); + } else stimer_cleanup(stimer); } } diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 84e62acf2dd8..29fd8af5c347 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -198,7 +198,8 @@ struct loaded_vmcs { struct vmcs *vmcs; struct vmcs *shadow_vmcs; int cpu; - int launched; + bool launched; + bool nmi_known_unmasked; struct list_head loaded_vmcss_on_cpu_link; }; @@ -2326,6 +2327,11 @@ static void vmx_vcpu_put(struct kvm_vcpu *vcpu) __vmx_load_host_state(to_vmx(vcpu)); } +static bool emulation_required(struct kvm_vcpu *vcpu) +{ + return emulate_invalid_guest_state && !guest_state_valid(vcpu); +} + static void vmx_decache_cr0_guest_bits(struct kvm_vcpu *vcpu); /* @@ -2363,6 +2369,8 @@ static unsigned long vmx_get_rflags(struct kvm_vcpu *vcpu) static void vmx_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags) { + unsigned long old_rflags = vmx_get_rflags(vcpu); + __set_bit(VCPU_EXREG_RFLAGS, (ulong *)&vcpu->arch.regs_avail); to_vmx(vcpu)->rflags = rflags; if (to_vmx(vcpu)->rmode.vm86_active) { @@ -2370,6 +2378,9 @@ static void vmx_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags) rflags |= X86_EFLAGS_IOPL | X86_EFLAGS_VM; } vmcs_writel(GUEST_RFLAGS, rflags); + + if ((old_rflags ^ to_vmx(vcpu)->rflags) & X86_EFLAGS_VM) + to_vmx(vcpu)->emulation_required = emulation_required(vcpu); } static u32 vmx_get_pkru(struct kvm_vcpu *vcpu) @@ -3857,11 +3868,6 @@ static __init int alloc_kvm_area(void) return 0; } -static bool emulation_required(struct kvm_vcpu *vcpu) -{ - return emulate_invalid_guest_state && !guest_state_valid(vcpu); -} - static void fix_pmode_seg(struct kvm_vcpu *vcpu, int seg, struct kvm_segment *save) { @@ -5510,10 +5516,8 @@ static void vmx_inject_nmi(struct kvm_vcpu *vcpu) { struct vcpu_vmx *vmx = to_vmx(vcpu); - if (!is_guest_mode(vcpu)) { - ++vcpu->stat.nmi_injections; - vmx->nmi_known_unmasked = false; - } + ++vcpu->stat.nmi_injections; + vmx->loaded_vmcs->nmi_known_unmasked = false; if (vmx->rmode.vm86_active) { if (kvm_inject_realmode_interrupt(vcpu, NMI_VECTOR, 0) != EMULATE_DONE) @@ -5527,16 +5531,21 @@ static void vmx_inject_nmi(struct kvm_vcpu *vcpu) static bool vmx_get_nmi_mask(struct kvm_vcpu *vcpu) { - if (to_vmx(vcpu)->nmi_known_unmasked) + struct vcpu_vmx *vmx = to_vmx(vcpu); + bool masked; + + if (vmx->loaded_vmcs->nmi_known_unmasked) return false; - return vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) & GUEST_INTR_STATE_NMI; + masked = vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) & GUEST_INTR_STATE_NMI; + vmx->loaded_vmcs->nmi_known_unmasked = !masked; + return masked; } static void vmx_set_nmi_mask(struct kvm_vcpu *vcpu, bool masked) { struct vcpu_vmx *vmx = to_vmx(vcpu); - vmx->nmi_known_unmasked = !masked; + vmx->loaded_vmcs->nmi_known_unmasked = !masked; if (masked) vmcs_set_bits(GUEST_INTERRUPTIBILITY_INFO, GUEST_INTR_STATE_NMI); @@ -8736,7 +8745,7 @@ static void vmx_recover_nmi_blocking(struct vcpu_vmx *vmx) idtv_info_valid = vmx->idt_vectoring_info & VECTORING_INFO_VALID_MASK; - if (vmx->nmi_known_unmasked) + if (vmx->loaded_vmcs->nmi_known_unmasked) return; /* * Can't use vmx->exit_intr_info since we're not sure what @@ -8760,7 +8769,7 @@ static void vmx_recover_nmi_blocking(struct vcpu_vmx *vmx) vmcs_set_bits(GUEST_INTERRUPTIBILITY_INFO, GUEST_INTR_STATE_NMI); else - vmx->nmi_known_unmasked = + vmx->loaded_vmcs->nmi_known_unmasked = !(vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) & GUEST_INTR_STATE_NMI); } @@ -10488,6 +10497,7 @@ static int nested_vmx_run(struct kvm_vcpu *vcpu, bool launch) { struct vmcs12 *vmcs12; struct vcpu_vmx *vmx = to_vmx(vcpu); + u32 interrupt_shadow = vmx_get_interrupt_shadow(vcpu); u32 exit_qual; int ret; @@ -10512,6 +10522,12 @@ static int nested_vmx_run(struct kvm_vcpu *vcpu, bool launch) * for misconfigurations which will anyway be caught by the processor * when using the merged vmcs02. */ + if (interrupt_shadow & KVM_X86_SHADOW_INT_MOV_SS) { + nested_vmx_failValid(vcpu, + VMXERR_ENTRY_EVENTS_BLOCKED_BY_MOV_SS); + goto out; + } + if (vmcs12->launch_state == launch) { nested_vmx_failValid(vcpu, launch ? VMXERR_VMLAUNCH_NONCLEAR_VMCS diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 5b8f07889f6a..82a63c59f77b 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -597,8 +597,8 @@ bool pdptrs_changed(struct kvm_vcpu *vcpu) (unsigned long *)&vcpu->arch.regs_avail)) return true; - gfn = (kvm_read_cr3(vcpu) & ~31u) >> PAGE_SHIFT; - offset = (kvm_read_cr3(vcpu) & ~31u) & (PAGE_SIZE - 1); + gfn = (kvm_read_cr3(vcpu) & ~31ul) >> PAGE_SHIFT; + offset = (kvm_read_cr3(vcpu) & ~31ul) & (PAGE_SIZE - 1); r = kvm_read_nested_guest_page(vcpu, gfn, pdpte, offset, sizeof(pdpte), PFERR_USER_MASK | PFERR_WRITE_MASK); if (r < 0) diff --git a/arch/x86/math-emu/Makefile b/arch/x86/math-emu/Makefile index 9b0c63b60302..1b2dac174321 100644 --- a/arch/x86/math-emu/Makefile +++ b/arch/x86/math-emu/Makefile @@ -5,8 +5,8 @@ #DEBUG = -DDEBUGGING DEBUG = PARANOID = -DPARANOID -EXTRA_CFLAGS := $(PARANOID) $(DEBUG) -fno-builtin $(MATH_EMULATION) -EXTRA_AFLAGS := $(PARANOID) +ccflags-y += $(PARANOID) $(DEBUG) -fno-builtin $(MATH_EMULATION) +asflags-y += $(PARANOID) # From 'C' language sources: C_OBJS =fpu_entry.o errors.o \ diff --git a/arch/x86/math-emu/fpu_emu.h b/arch/x86/math-emu/fpu_emu.h index afbc4d805d66..c9c320dccca1 100644 --- a/arch/x86/math-emu/fpu_emu.h +++ b/arch/x86/math-emu/fpu_emu.h @@ -157,7 +157,7 @@ extern u_char const data_sizes_16[32]; #define signbyte(a) (((u_char *)(a))[9]) #define getsign(a) (signbyte(a) & 0x80) -#define setsign(a,b) { if (b) signbyte(a) |= 0x80; else signbyte(a) &= 0x7f; } +#define setsign(a,b) { if ((b) != 0) signbyte(a) |= 0x80; else signbyte(a) &= 0x7f; } #define copysign(a,b) { if (getsign(a)) signbyte(b) |= 0x80; \ else signbyte(b) &= 0x7f; } #define changesign(a) { signbyte(a) ^= 0x80; } diff --git a/arch/x86/math-emu/reg_compare.c b/arch/x86/math-emu/reg_compare.c index b77360fdbf4a..19b33b50adfa 100644 --- a/arch/x86/math-emu/reg_compare.c +++ b/arch/x86/math-emu/reg_compare.c @@ -168,7 +168,7 @@ static int compare(FPU_REG const *b, int tagb) /* This function requires that st(0) is not empty */ int FPU_compare_st_data(FPU_REG const *loaded_data, u_char loaded_tag) { - int f = 0, c; + int f, c; c = compare(loaded_data, loaded_tag); @@ -189,12 +189,12 @@ int FPU_compare_st_data(FPU_REG const *loaded_data, u_char loaded_tag) case COMP_No_Comp: f = SW_C3 | SW_C2 | SW_C0; break; -#ifdef PARANOID default: +#ifdef PARANOID EXCEPTION(EX_INTERNAL | 0x121); +#endif /* PARANOID */ f = SW_C3 | SW_C2 | SW_C0; break; -#endif /* PARANOID */ } setcc(f); if (c & COMP_Denormal) { @@ -205,7 +205,7 @@ int FPU_compare_st_data(FPU_REG const *loaded_data, u_char loaded_tag) static int compare_st_st(int nr) { - int f = 0, c; + int f, c; FPU_REG *st_ptr; if (!NOT_EMPTY(0) || !NOT_EMPTY(nr)) { @@ -235,12 +235,12 @@ static int compare_st_st(int nr) case COMP_No_Comp: f = SW_C3 | SW_C2 | SW_C0; break; -#ifdef PARANOID default: +#ifdef PARANOID EXCEPTION(EX_INTERNAL | 0x122); +#endif /* PARANOID */ f = SW_C3 | SW_C2 | SW_C0; break; -#endif /* PARANOID */ } setcc(f); if (c & COMP_Denormal) { @@ -283,12 +283,12 @@ static int compare_i_st_st(int nr) case COMP_No_Comp: f = X86_EFLAGS_ZF | X86_EFLAGS_PF | X86_EFLAGS_CF; break; -#ifdef PARANOID default: +#ifdef PARANOID EXCEPTION(EX_INTERNAL | 0x122); +#endif /* PARANOID */ f = 0; break; -#endif /* PARANOID */ } FPU_EFLAGS = (FPU_EFLAGS & ~(X86_EFLAGS_ZF | X86_EFLAGS_PF | X86_EFLAGS_CF)) | f; if (c & COMP_Denormal) { diff --git a/arch/x86/platform/intel-mid/device_libs/platform_max7315.c b/arch/x86/platform/intel-mid/device_libs/platform_max7315.c index 6e075afa7877..58337b2bc682 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_max7315.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_max7315.c @@ -38,8 +38,10 @@ static void __init *max7315_platform_data(void *info) */ strcpy(i2c_info->type, "max7315"); if (nr++) { - sprintf(base_pin_name, "max7315_%d_base", nr); - sprintf(intr_pin_name, "max7315_%d_int", nr); + snprintf(base_pin_name, sizeof(base_pin_name), + "max7315_%d_base", nr); + snprintf(intr_pin_name, sizeof(intr_pin_name), + "max7315_%d_int", nr); } else { strcpy(base_pin_name, "max7315_base"); strcpy(intr_pin_name, "max7315_int"); diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c index d4a61ddf9e62..3e4bdb442fbc 100644 --- a/arch/x86/platform/uv/tlb_uv.c +++ b/arch/x86/platform/uv/tlb_uv.c @@ -40,7 +40,6 @@ static int timeout_base_ns[] = { static int timeout_us; static bool nobau = true; static int nobau_perm; -static cycles_t congested_cycles; /* tunables: */ static int max_concurr = MAX_BAU_CONCURRENT; @@ -829,10 +828,10 @@ static void record_send_stats(cycles_t time1, cycles_t time2, if ((completion_status == FLUSH_COMPLETE) && (try == 1)) { bcp->period_requests++; bcp->period_time += elapsed; - if ((elapsed > congested_cycles) && + if ((elapsed > usec_2_cycles(bcp->cong_response_us)) && (bcp->period_requests > bcp->cong_reps) && ((bcp->period_time / bcp->period_requests) > - congested_cycles)) { + usec_2_cycles(bcp->cong_response_us))) { stat->s_congested++; disable_for_period(bcp, stat); } @@ -2222,14 +2221,17 @@ static int __init uv_bau_init(void) else if (is_uv1_hub()) ops = uv1_bau_ops; + nuvhubs = uv_num_possible_blades(); + if (nuvhubs < 2) { + pr_crit("UV: BAU disabled - insufficient hub count\n"); + goto err_bau_disable; + } + for_each_possible_cpu(cur_cpu) { mask = &per_cpu(uv_flush_tlb_mask, cur_cpu); zalloc_cpumask_var_node(mask, GFP_KERNEL, cpu_to_node(cur_cpu)); } - nuvhubs = uv_num_possible_blades(); - congested_cycles = usec_2_cycles(congested_respns_us); - uv_base_pnode = 0x7fffffff; for (uvhub = 0; uvhub < nuvhubs; uvhub++) { cpus = uv_blade_nr_possible_cpus(uvhub); @@ -2242,9 +2244,8 @@ static int __init uv_bau_init(void) enable_timeouts(); if (init_per_cpu(nuvhubs, uv_base_pnode)) { - set_bau_off(); - nobau_perm = 1; - return 0; + pr_crit("UV: BAU disabled - per CPU init failed\n"); + goto err_bau_disable; } vector = UV_BAU_MESSAGE; @@ -2270,6 +2271,16 @@ static int __init uv_bau_init(void) } return 0; + +err_bau_disable: + + for_each_possible_cpu(cur_cpu) + free_cpumask_var(per_cpu(uv_flush_tlb_mask, cur_cpu)); + + set_bau_off(); + nobau_perm = 1; + + return -EINVAL; } core_initcall(uv_bau_init); fs_initcall(uv_ptc_init); diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c index 1ea598e5f030..51471408fdd1 100644 --- a/arch/x86/xen/smp_pv.c +++ b/arch/x86/xen/smp_pv.c @@ -19,6 +19,7 @@ #include <linux/irq_work.h> #include <linux/tick.h> #include <linux/nmi.h> +#include <linux/cpuhotplug.h> #include <asm/paravirt.h> #include <asm/desc.h> @@ -413,7 +414,7 @@ static void xen_pv_play_dead(void) /* used only with HOTPLUG_CPU */ */ tick_nohz_idle_enter(); - cpu_startup_entry(CPUHP_AP_ONLINE_IDLE); + cpuhp_online_idle(CPUHP_AP_ONLINE_IDLE); } #else /* !CONFIG_HOTPLUG_CPU */ diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c index a1895a8e85c1..1ecb05db3632 100644 --- a/arch/x86/xen/time.c +++ b/arch/x86/xen/time.c @@ -309,7 +309,6 @@ static irqreturn_t xen_timer_interrupt(int irq, void *dev_id) void xen_teardown_timer(int cpu) { struct clock_event_device *evt; - BUG_ON(cpu == 0); evt = &per_cpu(xen_clock_events, cpu).evt; if (evt->irq >= 0) { diff --git a/arch/xtensa/include/uapi/asm/ioctls.h b/arch/xtensa/include/uapi/asm/ioctls.h index 98b004e24e85..47d82c09be7b 100644 --- a/arch/xtensa/include/uapi/asm/ioctls.h +++ b/arch/xtensa/include/uapi/asm/ioctls.h @@ -105,7 +105,7 @@ #define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */ #define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */ #define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */ -#define TIOCGPTPEER _IOR('T', 0x41, int) /* Safely open the slave */ +#define TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */ #define TIOCSERCONFIG _IO('T', 83) #define TIOCSERGWILD _IOR('T', 84, int) diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index 60a6835265fc..436b6ca6b175 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -4299,6 +4299,9 @@ static void bfq_completed_request(struct bfq_queue *bfqq, struct bfq_data *bfqd) bfq_bfqq_expire(bfqd, bfqq, false, BFQQE_NO_MORE_REQUESTS); } + + if (!bfqd->rq_in_driver) + bfq_schedule_dispatch(bfqd); } static void bfq_put_rq_priv_body(struct bfq_queue *bfqq) diff --git a/block/bfq-iosched.h b/block/bfq-iosched.h index 8fd83b885774..63e771ab56d8 100644 --- a/block/bfq-iosched.h +++ b/block/bfq-iosched.h @@ -52,7 +52,7 @@ struct bfq_entity; struct bfq_service_tree { /* tree for active entities (i.e., those backlogged) */ struct rb_root active; - /* tree for idle entities (i.e., not backlogged, with V <= F_i)*/ + /* tree for idle entities (i.e., not backlogged, with V < F_i)*/ struct rb_root idle; /* idle entity with minimum F_i */ diff --git a/block/bfq-wf2q.c b/block/bfq-wf2q.c index 5ec05cd42b80..979f8f21b7e2 100644 --- a/block/bfq-wf2q.c +++ b/block/bfq-wf2q.c @@ -1297,7 +1297,7 @@ static void bfq_update_vtime(struct bfq_service_tree *st, u64 new_value) * * This function searches the first schedulable entity, starting from the * root of the tree and going on the left every time on this side there is - * a subtree with at least one eligible (start >= vtime) entity. The path on + * a subtree with at least one eligible (start <= vtime) entity. The path on * the right is followed only if a) the left subtree contains no eligible * entities and b) no eligible entity has been found yet. */ diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index b75b734ee73a..19182d091587 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -3160,6 +3160,8 @@ static struct acpi_driver acpi_nfit_driver = { static __init int nfit_init(void) { + int ret; + BUILD_BUG_ON(sizeof(struct acpi_table_nfit) != 40); BUILD_BUG_ON(sizeof(struct acpi_nfit_system_address) != 56); BUILD_BUG_ON(sizeof(struct acpi_nfit_memory_map) != 48); @@ -3187,8 +3189,14 @@ static __init int nfit_init(void) return -ENOMEM; nfit_mce_register(); + ret = acpi_bus_register_driver(&acpi_nfit_driver); + if (ret) { + nfit_mce_unregister(); + destroy_workqueue(nfit_wq); + } + + return ret; - return acpi_bus_register_driver(&acpi_nfit_driver); } static __exit void nfit_exit(void) diff --git a/drivers/android/binder.c b/drivers/android/binder.c index aae4d8d4be36..f7665c31feca 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -2200,8 +2200,12 @@ static void binder_transaction(struct binder_proc *proc, list_add_tail(&t->work.entry, target_list); tcomplete->type = BINDER_WORK_TRANSACTION_COMPLETE; list_add_tail(&tcomplete->entry, &thread->todo); - if (target_wait) - wake_up_interruptible(target_wait); + if (target_wait) { + if (reply || !(t->flags & TF_ONE_WAY)) + wake_up_interruptible_sync(target_wait); + else + wake_up_interruptible(target_wait); + } return; err_translate_failed: @@ -3247,10 +3251,6 @@ static long binder_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) /*pr_info("binder_ioctl: %d:%d %x %lx\n", proc->pid, current->pid, cmd, arg);*/ - if (unlikely(current->mm != proc->vma_vm_mm)) { - pr_err("current mm mismatch proc mm\n"); - return -EINVAL; - } trace_binder_ioctl(cmd, arg); ret = wait_event_interruptible(binder_user_error_wait, binder_stop_on_user_error < 2); @@ -3464,9 +3464,8 @@ static int binder_open(struct inode *nodp, struct file *filp) proc = kzalloc(sizeof(*proc), GFP_KERNEL); if (proc == NULL) return -ENOMEM; - get_task_struct(current); - proc->tsk = current; - proc->vma_vm_mm = current->mm; + get_task_struct(current->group_leader); + proc->tsk = current->group_leader; INIT_LIST_HEAD(&proc->todo); init_waitqueue_head(&proc->wait); proc->default_priority = task_nice(current); diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c index 292dec18ffb8..07bdd51b3b9a 100644 --- a/drivers/atm/zatm.c +++ b/drivers/atm/zatm.c @@ -1613,7 +1613,7 @@ static int zatm_init_one(struct pci_dev *pci_dev, ret = dma_set_mask_and_coherent(&pci_dev->dev, DMA_BIT_MASK(32)); if (ret < 0) - goto out_disable; + goto out_release; zatm_dev->pci_dev = pci_dev; dev->dev_data = zatm_dev; diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 3b8210ebb50e..60303aa28587 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -1222,8 +1222,6 @@ static struct generic_pm_domain_data *genpd_alloc_dev_data(struct device *dev, spin_unlock_irq(&dev->power.lock); - dev_pm_domain_set(dev, &genpd->domain); - return gpd_data; err_free: @@ -1237,8 +1235,6 @@ static struct generic_pm_domain_data *genpd_alloc_dev_data(struct device *dev, static void genpd_free_dev_data(struct device *dev, struct generic_pm_domain_data *gpd_data) { - dev_pm_domain_set(dev, NULL); - spin_lock_irq(&dev->power.lock); dev->power.subsys_data->domain_data = NULL; @@ -1275,6 +1271,8 @@ static int genpd_add_device(struct generic_pm_domain *genpd, struct device *dev, if (ret) goto out; + dev_pm_domain_set(dev, &genpd->domain); + genpd->device_count++; genpd->max_off_time_changed = true; @@ -1336,6 +1334,8 @@ static int genpd_remove_device(struct generic_pm_domain *genpd, if (genpd->detach_dev) genpd->detach_dev(genpd, dev); + dev_pm_domain_set(dev, NULL); + list_del_init(&pdd->list_node); genpd_unlock(genpd); diff --git a/drivers/base/regmap/regmap-w1.c b/drivers/base/regmap/regmap-w1.c index 5f04e7bf063e..e6c64b0be5b2 100644 --- a/drivers/base/regmap/regmap-w1.c +++ b/drivers/base/regmap/regmap-w1.c @@ -1,7 +1,7 @@ /* * Register map access API - W1 (1-Wire) support * - * Copyright (C) 2017 OAO Radioavionica + * Copyright (c) 2017 Radioavionica Corporation * Author: Alex A. Mihaylov <minimumlaw@rambler.ru> * * This program is free software; you can redistribute it and/or modify @@ -11,7 +11,7 @@ #include <linux/regmap.h> #include <linux/module.h> -#include "../../w1/w1.h" +#include <linux/w1.h> #include "internal.h" diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index dea7d85134ee..87a0a29f6e7e 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -626,7 +626,6 @@ static void recv_work(struct work_struct *work) struct nbd_device *nbd = args->nbd; struct nbd_config *config = nbd->config; struct nbd_cmd *cmd; - int ret = 0; while (1) { cmd = nbd_read_stat(nbd, args->index); @@ -636,7 +635,6 @@ static void recv_work(struct work_struct *work) mutex_lock(&nsock->tx_lock); nbd_mark_nsock_dead(nbd, nsock, 1); mutex_unlock(&nsock->tx_lock); - ret = PTR_ERR(cmd); break; } diff --git a/drivers/block/ps3vram.c b/drivers/block/ps3vram.c index e0e81cacd781..6a55959cbf78 100644 --- a/drivers/block/ps3vram.c +++ b/drivers/block/ps3vram.c @@ -409,10 +409,8 @@ static int ps3vram_cache_init(struct ps3_system_bus_device *dev) priv->cache.page_size = CACHE_PAGE_SIZE; priv->cache.tags = kzalloc(sizeof(struct ps3vram_tag) * CACHE_PAGE_COUNT, GFP_KERNEL); - if (priv->cache.tags == NULL) { - dev_err(&dev->core, "Could not allocate cache tags\n"); + if (!priv->cache.tags) return -ENOMEM; - } dev_info(&dev->core, "Created ram cache: %d entries, %d KiB each\n", CACHE_PAGE_COUNT, CACHE_PAGE_SIZE / 1024); @@ -743,7 +741,11 @@ static int ps3vram_probe(struct ps3_system_bus_device *dev) goto out_unmap_reports; } - ps3vram_cache_init(dev); + error = ps3vram_cache_init(dev); + if (error < 0) { + goto out_unmap_reports; + } + ps3vram_proc_init(dev); queue = blk_alloc_queue(GFP_KERNEL); diff --git a/drivers/clocksource/timer-of.c b/drivers/clocksource/timer-of.c index f6e7491c873c..d509b500a7b5 100644 --- a/drivers/clocksource/timer-of.c +++ b/drivers/clocksource/timer-of.c @@ -41,8 +41,16 @@ static __init int timer_irq_init(struct device_node *np, struct timer_of *to = container_of(of_irq, struct timer_of, of_irq); struct clock_event_device *clkevt = &to->clkevt; - of_irq->irq = of_irq->name ? of_irq_get_byname(np, of_irq->name): - irq_of_parse_and_map(np, of_irq->index); + if (of_irq->name) { + of_irq->irq = ret = of_irq_get_byname(np, of_irq->name); + if (ret < 0) { + pr_err("Failed to get interrupt %s for %s\n", + of_irq->name, np->full_name); + return ret; + } + } else { + of_irq->irq = irq_of_parse_and_map(np, of_irq->index); + } if (!of_irq->irq) { pr_err("Failed to map interrupt for %s\n", np->full_name); return -EINVAL; diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index b7fb8b7c980d..6cd503525638 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -225,6 +225,9 @@ struct global_params { * @vid: Stores VID limits for this CPU * @pid: Stores PID parameters for this CPU * @last_sample_time: Last Sample time + * @aperf_mperf_shift: Number of clock cycles after aperf, merf is incremented + * This shift is a multiplier to mperf delta to + * calculate CPU busy. * @prev_aperf: Last APERF value read from APERF MSR * @prev_mperf: Last MPERF value read from MPERF MSR * @prev_tsc: Last timestamp counter (TSC) value @@ -259,6 +262,7 @@ struct cpudata { u64 last_update; u64 last_sample_time; + u64 aperf_mperf_shift; u64 prev_aperf; u64 prev_mperf; u64 prev_tsc; @@ -321,6 +325,7 @@ struct pstate_funcs { int (*get_min)(void); int (*get_turbo)(void); int (*get_scaling)(void); + int (*get_aperf_mperf_shift)(void); u64 (*get_val)(struct cpudata*, int pstate); void (*get_vid)(struct cpudata *); void (*update_util)(struct update_util_data *data, u64 time, @@ -1486,6 +1491,11 @@ static u64 core_get_val(struct cpudata *cpudata, int pstate) return val; } +static int knl_get_aperf_mperf_shift(void) +{ + return 10; +} + static int knl_get_turbo_pstate(void) { u64 value; @@ -1543,6 +1553,9 @@ static void intel_pstate_get_cpu_pstates(struct cpudata *cpu) cpu->pstate.max_freq = cpu->pstate.max_pstate * cpu->pstate.scaling; cpu->pstate.turbo_freq = cpu->pstate.turbo_pstate * cpu->pstate.scaling; + if (pstate_funcs.get_aperf_mperf_shift) + cpu->aperf_mperf_shift = pstate_funcs.get_aperf_mperf_shift(); + if (pstate_funcs.get_vid) pstate_funcs.get_vid(cpu); @@ -1616,7 +1629,8 @@ static inline int32_t get_target_pstate_use_cpu_load(struct cpudata *cpu) int32_t busy_frac, boost; int target, avg_pstate; - busy_frac = div_fp(sample->mperf, sample->tsc); + busy_frac = div_fp(sample->mperf << cpu->aperf_mperf_shift, + sample->tsc); boost = cpu->iowait_boost; cpu->iowait_boost >>= 1; @@ -1675,7 +1689,8 @@ static inline int32_t get_target_pstate_use_performance(struct cpudata *cpu) sample_ratio = div_fp(pid_params.sample_rate_ns, duration_ns); perf_scaled = mul_fp(perf_scaled, sample_ratio); } else { - sample_ratio = div_fp(100 * cpu->sample.mperf, cpu->sample.tsc); + sample_ratio = div_fp(100 * (cpu->sample.mperf << cpu->aperf_mperf_shift), + cpu->sample.tsc); if (sample_ratio < int_tofp(1)) perf_scaled = 0; } @@ -1807,6 +1822,7 @@ static const struct pstate_funcs knl_funcs = { .get_max_physical = core_get_max_pstate_physical, .get_min = core_get_min_pstate, .get_turbo = knl_get_turbo_pstate, + .get_aperf_mperf_shift = knl_get_aperf_mperf_shift, .get_scaling = core_get_scaling, .get_val = core_get_val, .update_util = intel_pstate_update_util_pid, @@ -2403,6 +2419,7 @@ static void __init copy_cpu_funcs(struct pstate_funcs *funcs) pstate_funcs.get_val = funcs->get_val; pstate_funcs.get_vid = funcs->get_vid; pstate_funcs.update_util = funcs->update_util; + pstate_funcs.get_aperf_mperf_shift = funcs->get_aperf_mperf_shift; intel_pstate_use_acpi_profile(); } diff --git a/drivers/dax/device-dax.h b/drivers/dax/device-dax.h index fdcd9769ffde..688b051750bd 100644 --- a/drivers/dax/device-dax.h +++ b/drivers/dax/device-dax.h @@ -21,5 +21,5 @@ struct dax_region *alloc_dax_region(struct device *parent, int region_id, struct resource *res, unsigned int align, void *addr, unsigned long flags); struct dev_dax *devm_create_dev_dax(struct dax_region *dax_region, - struct resource *res, int count); + int id, struct resource *res, int count); #endif /* __DEVICE_DAX_H__ */ diff --git a/drivers/dax/device.c b/drivers/dax/device.c index 12943d19bfc4..e9f3b3e4bbf4 100644 --- a/drivers/dax/device.c +++ b/drivers/dax/device.c @@ -529,7 +529,8 @@ static void dev_dax_release(struct device *dev) struct dax_region *dax_region = dev_dax->region; struct dax_device *dax_dev = dev_dax->dax_dev; - ida_simple_remove(&dax_region->ida, dev_dax->id); + if (dev_dax->id >= 0) + ida_simple_remove(&dax_region->ida, dev_dax->id); dax_region_put(dax_region); put_dax(dax_dev); kfree(dev_dax); @@ -559,7 +560,7 @@ static void unregister_dev_dax(void *dev) } struct dev_dax *devm_create_dev_dax(struct dax_region *dax_region, - struct resource *res, int count) + int id, struct resource *res, int count) { struct device *parent = dax_region->dev; struct dax_device *dax_dev; @@ -567,7 +568,10 @@ struct dev_dax *devm_create_dev_dax(struct dax_region *dax_region, struct inode *inode; struct device *dev; struct cdev *cdev; - int rc = 0, i; + int rc, i; + + if (!count) + return ERR_PTR(-EINVAL); dev_dax = kzalloc(sizeof(*dev_dax) + sizeof(*res) * count, GFP_KERNEL); if (!dev_dax) @@ -587,10 +591,16 @@ struct dev_dax *devm_create_dev_dax(struct dax_region *dax_region, if (i < count) goto err_id; - dev_dax->id = ida_simple_get(&dax_region->ida, 0, 0, GFP_KERNEL); - if (dev_dax->id < 0) { - rc = dev_dax->id; - goto err_id; + if (id < 0) { + id = ida_simple_get(&dax_region->ida, 0, 0, GFP_KERNEL); + dev_dax->id = id; + if (id < 0) { + rc = id; + goto err_id; + } + } else { + /* region provider owns @id lifetime */ + dev_dax->id = -1; } /* @@ -598,8 +608,10 @@ struct dev_dax *devm_create_dev_dax(struct dax_region *dax_region, * device outside of mmap of the resulting character device. */ dax_dev = alloc_dax(dev_dax, NULL, NULL); - if (!dax_dev) + if (!dax_dev) { + rc = -ENOMEM; goto err_dax; + } /* from here on we're committed to teardown via dax_dev_release() */ dev = &dev_dax->dev; @@ -620,7 +632,7 @@ struct dev_dax *devm_create_dev_dax(struct dax_region *dax_region, dev->parent = parent; dev->groups = dax_attribute_groups; dev->release = dev_dax_release; - dev_set_name(dev, "dax%d.%d", dax_region->id, dev_dax->id); + dev_set_name(dev, "dax%d.%d", dax_region->id, id); rc = cdev_device_add(cdev, dev); if (rc) { @@ -636,7 +648,8 @@ struct dev_dax *devm_create_dev_dax(struct dax_region *dax_region, return dev_dax; err_dax: - ida_simple_remove(&dax_region->ida, dev_dax->id); + if (dev_dax->id >= 0) + ida_simple_remove(&dax_region->ida, dev_dax->id); err_id: kfree(dev_dax); diff --git a/drivers/dax/pmem.c b/drivers/dax/pmem.c index 9f2a0b4fd801..8d8c852ba8f2 100644 --- a/drivers/dax/pmem.c +++ b/drivers/dax/pmem.c @@ -58,13 +58,12 @@ static void dax_pmem_percpu_kill(void *data) static int dax_pmem_probe(struct device *dev) { - int rc; void *addr; struct resource res; + int rc, id, region_id; struct nd_pfn_sb *pfn_sb; struct dev_dax *dev_dax; struct dax_pmem *dax_pmem; - struct nd_region *nd_region; struct nd_namespace_io *nsio; struct dax_region *dax_region; struct nd_namespace_common *ndns; @@ -123,14 +122,17 @@ static int dax_pmem_probe(struct device *dev) /* adjust the dax_region resource to the start of data */ res.start += le64_to_cpu(pfn_sb->dataoff); - nd_region = to_nd_region(dev->parent); - dax_region = alloc_dax_region(dev, nd_region->id, &res, + rc = sscanf(dev_name(&ndns->dev), "namespace%d.%d", ®ion_id, &id); + if (rc != 2) + return -EINVAL; + + dax_region = alloc_dax_region(dev, region_id, &res, le32_to_cpu(pfn_sb->align), addr, PFN_DEV|PFN_MAP); if (!dax_region) return -ENOMEM; /* TODO: support for subdividing a dax region... */ - dev_dax = devm_create_dev_dax(dax_region, &res, 1); + dev_dax = devm_create_dev_dax(dax_region, id, &res, 1); /* child dev_dax instances now own the lifetime of the dax_region */ dax_region_put(dax_region); diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c index 57da14c15987..56e0a0e1b600 100644 --- a/drivers/dma-buf/dma-fence.c +++ b/drivers/dma-buf/dma-fence.c @@ -75,11 +75,6 @@ int dma_fence_signal_locked(struct dma_fence *fence) if (WARN_ON(!fence)) return -EINVAL; - if (!ktime_to_ns(fence->timestamp)) { - fence->timestamp = ktime_get(); - smp_mb__before_atomic(); - } - if (test_and_set_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) { ret = -EINVAL; @@ -87,8 +82,11 @@ int dma_fence_signal_locked(struct dma_fence *fence) * we might have raced with the unlocked dma_fence_signal, * still run through all callbacks */ - } else + } else { + fence->timestamp = ktime_get(); + set_bit(DMA_FENCE_FLAG_TIMESTAMP_BIT, &fence->flags); trace_dma_fence_signaled(fence); + } list_for_each_entry_safe(cur, tmp, &fence->cb_list, node) { list_del_init(&cur->node); @@ -115,14 +113,11 @@ int dma_fence_signal(struct dma_fence *fence) if (!fence) return -EINVAL; - if (!ktime_to_ns(fence->timestamp)) { - fence->timestamp = ktime_get(); - smp_mb__before_atomic(); - } - if (test_and_set_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) return -EINVAL; + fence->timestamp = ktime_get(); + set_bit(DMA_FENCE_FLAG_TIMESTAMP_BIT, &fence->flags); trace_dma_fence_signaled(fence); if (test_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT, &fence->flags)) { diff --git a/drivers/dma-buf/sync_debug.c b/drivers/dma-buf/sync_debug.c index 82a6e7f6d37f..59a3b2f8ee91 100644 --- a/drivers/dma-buf/sync_debug.c +++ b/drivers/dma-buf/sync_debug.c @@ -84,7 +84,7 @@ static void sync_print_fence(struct seq_file *s, show ? "_" : "", sync_status_str(status)); - if (status) { + if (test_bit(DMA_FENCE_FLAG_TIMESTAMP_BIT, &fence->flags)) { struct timespec64 ts64 = ktime_to_timespec64(fence->timestamp); diff --git a/drivers/dma-buf/sync_file.c b/drivers/dma-buf/sync_file.c index 545e2c5c4815..d7e219d2669d 100644 --- a/drivers/dma-buf/sync_file.c +++ b/drivers/dma-buf/sync_file.c @@ -391,7 +391,13 @@ static void sync_fill_fence_info(struct dma_fence *fence, sizeof(info->driver_name)); info->status = dma_fence_get_status(fence); - info->timestamp_ns = ktime_to_ns(fence->timestamp); + while (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags) && + !test_bit(DMA_FENCE_FLAG_TIMESTAMP_BIT, &fence->flags)) + cpu_relax(); + info->timestamp_ns = + test_bit(DMA_FENCE_FLAG_TIMESTAMP_BIT, &fence->flags) ? + ktime_to_ns(fence->timestamp) : + ktime_set(0, 0); } static long sync_file_ioctl_fence_info(struct sync_file *sync_file, diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c index a485864cb512..06432d84cbf8 100644 --- a/drivers/fsi/fsi-core.c +++ b/drivers/fsi/fsi-core.c @@ -532,7 +532,7 @@ static inline uint32_t fsi_smode_sid(int x) return (x & FSI_SMODE_SID_MASK) << FSI_SMODE_SID_SHIFT; } -static const uint32_t fsi_slave_smode(int id) +static uint32_t fsi_slave_smode(int id) { return FSI_SMODE_WSC | FSI_SMODE_ECRC | fsi_smode_sid(id) @@ -883,17 +883,16 @@ struct bus_type fsi_bus_type = { }; EXPORT_SYMBOL_GPL(fsi_bus_type); -static int fsi_init(void) +static int __init fsi_init(void) { return bus_register(&fsi_bus_type); } +postcore_initcall(fsi_init); static void fsi_exit(void) { bus_unregister(&fsi_bus_type); } - -module_init(fsi_init); module_exit(fsi_exit); module_param(discard_errors, int, 0664); MODULE_LICENSE("GPL"); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 5f8ada1d872b..37971d9402e3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -101,7 +101,6 @@ void amdgpu_amdkfd_device_init(struct amdgpu_device *adev) if (adev->kfd) { struct kgd2kfd_shared_resources gpu_resources = { .compute_vmid_bitmap = 0xFF00, - .num_mec = adev->gfx.mec.num_mec, .num_pipe_per_mec = adev->gfx.mec.num_pipe_per_mec, .num_queue_per_pipe = adev->gfx.mec.num_queue_per_pipe }; @@ -122,7 +121,7 @@ void amdgpu_amdkfd_device_init(struct amdgpu_device *adev) /* According to linux/bitmap.h we shouldn't use bitmap_clear if * nbits is not compile time constant */ - last_valid_bit = adev->gfx.mec.num_mec + last_valid_bit = 1 /* only first MEC can have compute queues */ * adev->gfx.mec.num_pipe_per_mec * adev->gfx.mec.num_queue_per_pipe; for (i = last_valid_bit; i < KGD_MAX_QUEUES; ++i) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c index 88187bfc5ea3..3f95f7cb4019 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -226,10 +226,6 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, kfd->shared_resources = *gpu_resources; - /* We only use the first MEC */ - if (kfd->shared_resources.num_mec > 1) - kfd->shared_resources.num_mec = 1; - /* calculate max size of mqds needed for queues */ size = max_num_of_queues_per_device * kfd->device_info->mqd_size_aligned; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c index 955aa304ff48..602769ced3bd 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -77,13 +77,6 @@ static bool is_pipe_enabled(struct device_queue_manager *dqm, int mec, int pipe) return false; } -unsigned int get_mec_num(struct device_queue_manager *dqm) -{ - BUG_ON(!dqm || !dqm->dev); - - return dqm->dev->shared_resources.num_mec; -} - unsigned int get_queues_num(struct device_queue_manager *dqm) { BUG_ON(!dqm || !dqm->dev); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h index 66b9615bc3c1..faf820a06400 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h @@ -180,7 +180,6 @@ void device_queue_manager_init_cik(struct device_queue_manager_asic_ops *ops); void device_queue_manager_init_vi(struct device_queue_manager_asic_ops *ops); void program_sh_mem_settings(struct device_queue_manager *dqm, struct qcm_process_device *qpd); -unsigned int get_mec_num(struct device_queue_manager *dqm); unsigned int get_queues_num(struct device_queue_manager *dqm); unsigned int get_queues_per_pipe(struct device_queue_manager *dqm); unsigned int get_pipes_per_mec(struct device_queue_manager *dqm); diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h index 91ef1484b3bb..36f376677a53 100644 --- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h @@ -63,9 +63,6 @@ struct kgd2kfd_shared_resources { /* Bit n == 1 means VMID n is available for KFD. */ unsigned int compute_vmid_bitmap; - /* number of mec available from the hardware */ - uint32_t num_mec; - /* number of pipes per mec */ uint32_t num_pipe_per_mec; diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index bfd237c15e76..ae5f06895562 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -330,6 +330,13 @@ static bool drm_dp_sideband_msg_build(struct drm_dp_sideband_msg_rx *msg, return false; } + /* + * ignore out-of-order messages or messages that are part of a + * failed transaction + */ + if (!recv_hdr.somt && !msg->have_somt) + return false; + /* get length contained in this portion */ msg->curchunk_len = recv_hdr.msg_len; msg->curchunk_hdrlen = hdrlen; @@ -2164,7 +2171,7 @@ out_unlock: } EXPORT_SYMBOL(drm_dp_mst_topology_mgr_resume); -static void drm_dp_get_one_sb_msg(struct drm_dp_mst_topology_mgr *mgr, bool up) +static bool drm_dp_get_one_sb_msg(struct drm_dp_mst_topology_mgr *mgr, bool up) { int len; u8 replyblock[32]; @@ -2179,12 +2186,12 @@ static void drm_dp_get_one_sb_msg(struct drm_dp_mst_topology_mgr *mgr, bool up) replyblock, len); if (ret != len) { DRM_DEBUG_KMS("failed to read DPCD down rep %d %d\n", len, ret); - return; + return false; } ret = drm_dp_sideband_msg_build(msg, replyblock, len, true); if (!ret) { DRM_DEBUG_KMS("sideband msg build failed %d\n", replyblock[0]); - return; + return false; } replylen = msg->curchunk_len + msg->curchunk_hdrlen; @@ -2196,21 +2203,32 @@ static void drm_dp_get_one_sb_msg(struct drm_dp_mst_topology_mgr *mgr, bool up) ret = drm_dp_dpcd_read(mgr->aux, basereg + curreply, replyblock, len); if (ret != len) { - DRM_DEBUG_KMS("failed to read a chunk\n"); + DRM_DEBUG_KMS("failed to read a chunk (len %d, ret %d)\n", + len, ret); + return false; } + ret = drm_dp_sideband_msg_build(msg, replyblock, len, false); - if (ret == false) + if (!ret) { DRM_DEBUG_KMS("failed to build sideband msg\n"); + return false; + } + curreply += len; replylen -= len; } + return true; } static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr) { int ret = 0; - drm_dp_get_one_sb_msg(mgr, false); + if (!drm_dp_get_one_sb_msg(mgr, false)) { + memset(&mgr->down_rep_recv, 0, + sizeof(struct drm_dp_sideband_msg_rx)); + return 0; + } if (mgr->down_rep_recv.have_eomt) { struct drm_dp_sideband_msg_tx *txmsg; @@ -2266,7 +2284,12 @@ static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr) static int drm_dp_mst_handle_up_req(struct drm_dp_mst_topology_mgr *mgr) { int ret = 0; - drm_dp_get_one_sb_msg(mgr, true); + + if (!drm_dp_get_one_sb_msg(mgr, true)) { + memset(&mgr->up_req_recv, 0, + sizeof(struct drm_dp_sideband_msg_rx)); + return 0; + } if (mgr->up_req_recv.have_eomt) { struct drm_dp_sideband_msg_req_body msg; @@ -2318,7 +2341,9 @@ static int drm_dp_mst_handle_up_req(struct drm_dp_mst_topology_mgr *mgr) DRM_DEBUG_KMS("Got RSN: pn: %d avail_pbn %d\n", msg.u.resource_stat.port_number, msg.u.resource_stat.available_pbn); } - drm_dp_put_mst_branch_device(mstb); + if (mstb) + drm_dp_put_mst_branch_device(mstb); + memset(&mgr->up_req_recv, 0, sizeof(struct drm_dp_sideband_msg_rx)); } return ret; diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index 49546222c6d3..6276bb834b4f 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -54,7 +54,7 @@ static const uint32_t ipu_plane_formats[] = { DRM_FORMAT_RGBA8888, DRM_FORMAT_RGBX8888, DRM_FORMAT_BGRA8888, - DRM_FORMAT_BGRA8888, + DRM_FORMAT_BGRX8888, DRM_FORMAT_UYVY, DRM_FORMAT_VYUY, DRM_FORMAT_YUYV, diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index 636031a30e17..8aca20209cb8 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -237,7 +237,7 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data) /* port@1 is the output port */ ret = drm_of_find_panel_or_bridge(np, 1, 0, &imxpd->panel, &imxpd->bridge); - if (ret) + if (ret && ret != -ENODEV) return ret; imxpd->dev = dev; diff --git a/drivers/gpu/drm/radeon/radeon_kfd.c b/drivers/gpu/drm/radeon/radeon_kfd.c index 699fe7f9b8bf..a2ab6dcdf4a2 100644 --- a/drivers/gpu/drm/radeon/radeon_kfd.c +++ b/drivers/gpu/drm/radeon/radeon_kfd.c @@ -184,7 +184,6 @@ void radeon_kfd_device_init(struct radeon_device *rdev) if (rdev->kfd) { struct kgd2kfd_shared_resources gpu_resources = { .compute_vmid_bitmap = 0xFF00, - .num_mec = 1, .num_pipe_per_mec = 4, .num_queue_per_pipe = 8 }; diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index 403bbd5f99a9..a12cc7ea99b6 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -520,6 +520,34 @@ static void vc4_crtc_disable(struct drm_crtc *crtc) SCALER_DISPSTATX_EMPTY); } +static void vc4_crtc_update_dlist(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct vc4_dev *vc4 = to_vc4_dev(dev); + struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc); + struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(crtc->state); + + if (crtc->state->event) { + unsigned long flags; + + crtc->state->event->pipe = drm_crtc_index(crtc); + + WARN_ON(drm_crtc_vblank_get(crtc) != 0); + + spin_lock_irqsave(&dev->event_lock, flags); + vc4_crtc->event = crtc->state->event; + crtc->state->event = NULL; + + HVS_WRITE(SCALER_DISPLISTX(vc4_crtc->channel), + vc4_state->mm.start); + + spin_unlock_irqrestore(&dev->event_lock, flags); + } else { + HVS_WRITE(SCALER_DISPLISTX(vc4_crtc->channel), + vc4_state->mm.start); + } +} + static void vc4_crtc_enable(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; @@ -530,6 +558,12 @@ static void vc4_crtc_enable(struct drm_crtc *crtc) require_hvs_enabled(dev); + /* Enable vblank irq handling before crtc is started otherwise + * drm_crtc_get_vblank() fails in vc4_crtc_update_dlist(). + */ + drm_crtc_vblank_on(crtc); + vc4_crtc_update_dlist(crtc); + /* Turn on the scaler, which will wait for vstart to start * compositing. */ @@ -541,9 +575,6 @@ static void vc4_crtc_enable(struct drm_crtc *crtc) /* Turn on the pixel valve, which will emit the vstart signal. */ CRTC_WRITE(PV_V_CONTROL, CRTC_READ(PV_V_CONTROL) | PV_VCONTROL_VIDEN); - - /* Enable vblank irq handling after crtc is started. */ - drm_crtc_vblank_on(crtc); } static bool vc4_crtc_mode_fixup(struct drm_crtc *crtc, @@ -598,7 +629,6 @@ static void vc4_crtc_atomic_flush(struct drm_crtc *crtc, { struct drm_device *dev = crtc->dev; struct vc4_dev *vc4 = to_vc4_dev(dev); - struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc); struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(crtc->state); struct drm_plane *plane; bool debug_dump_regs = false; @@ -620,25 +650,15 @@ static void vc4_crtc_atomic_flush(struct drm_crtc *crtc, WARN_ON_ONCE(dlist_next - dlist_start != vc4_state->mm.size); - if (crtc->state->event) { - unsigned long flags; - - crtc->state->event->pipe = drm_crtc_index(crtc); - - WARN_ON(drm_crtc_vblank_get(crtc) != 0); - - spin_lock_irqsave(&dev->event_lock, flags); - vc4_crtc->event = crtc->state->event; - crtc->state->event = NULL; - - HVS_WRITE(SCALER_DISPLISTX(vc4_crtc->channel), - vc4_state->mm.start); - - spin_unlock_irqrestore(&dev->event_lock, flags); - } else { - HVS_WRITE(SCALER_DISPLISTX(vc4_crtc->channel), - vc4_state->mm.start); - } + /* Only update DISPLIST if the CRTC was already running and is not + * being disabled. + * vc4_crtc_enable() takes care of updating the dlist just after + * re-enabling VBLANK interrupts and before enabling the engine. + * If the CRTC is being disabled, there's no point in updating this + * information. + */ + if (crtc->state->active && old_state->active) + vc4_crtc_update_dlist(crtc); if (debug_dump_regs) { DRM_INFO("CRTC %d HVS after:\n", drm_crtc_index(crtc)); diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c index 41b39464ded8..501e16a9227d 100644 --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -2732,6 +2732,9 @@ static int hidpp_initialize_battery(struct hidpp_device *hidpp) hidpp_battery_props, sizeof(hidpp_battery_props), GFP_KERNEL); + if (!battery_props) + return -ENOMEM; + num_battery_props = ARRAY_SIZE(hidpp_battery_props) - 2; if (hidpp->capabilities & HIDPP_CAPABILITY_BATTERY_MILEAGE) diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index f3e35e7a189d..aff20f4b6d97 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -620,16 +620,6 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, return 0; } -static int mt_touch_input_mapped(struct hid_device *hdev, struct hid_input *hi, - struct hid_field *field, struct hid_usage *usage, - unsigned long **bit, int *max) -{ - if (usage->type == EV_KEY || usage->type == EV_ABS) - set_bit(usage->type, hi->input->evbit); - - return -1; -} - static int mt_compute_slot(struct mt_device *td, struct input_dev *input) { __s32 quirks = td->mtclass.quirks; @@ -969,8 +959,10 @@ static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, return 0; if (field->application == HID_DG_TOUCHSCREEN || - field->application == HID_DG_TOUCHPAD) - return mt_touch_input_mapped(hdev, hi, field, usage, bit, max); + field->application == HID_DG_TOUCHPAD) { + /* We own these mappings, tell hid-input to ignore them */ + return -1; + } /* let hid-core decide for the others */ return 0; diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index e9bf0bb87ac4..e57cc40cb768 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -606,6 +606,8 @@ static int vmbus_close_internal(struct vmbus_channel *channel) get_order(channel->ringbuffer_pagecount * PAGE_SIZE)); out: + /* re-enable tasklet for use on re-open */ + tasklet_enable(&channel->callback_event); return ret; } diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index 0af7fd311979..76c34f4fde13 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -566,6 +566,8 @@ static int applesmc_init_smcreg_try(void) if (ret) return ret; s->fan_count = tmp[0]; + if (s->fan_count > 10) + s->fan_count = 10; ret = applesmc_get_lower_bound(&s->temp_begin, "T"); if (ret) @@ -811,7 +813,8 @@ static ssize_t applesmc_show_fan_speed(struct device *dev, char newkey[5]; u8 buffer[2]; - sprintf(newkey, fan_speed_fmt[to_option(attr)], to_index(attr)); + scnprintf(newkey, sizeof(newkey), fan_speed_fmt[to_option(attr)], + to_index(attr)); ret = applesmc_read_key(newkey, buffer, 2); speed = ((buffer[0] << 8 | buffer[1]) >> 2); @@ -834,7 +837,8 @@ static ssize_t applesmc_store_fan_speed(struct device *dev, if (kstrtoul(sysfsbuf, 10, &speed) < 0 || speed >= 0x4000) return -EINVAL; /* Bigger than a 14-bit value */ - sprintf(newkey, fan_speed_fmt[to_option(attr)], to_index(attr)); + scnprintf(newkey, sizeof(newkey), fan_speed_fmt[to_option(attr)], + to_index(attr)); buffer[0] = (speed >> 6) & 0xff; buffer[1] = (speed << 2) & 0xff; @@ -903,7 +907,7 @@ static ssize_t applesmc_show_fan_position(struct device *dev, char newkey[5]; u8 buffer[17]; - sprintf(newkey, FAN_ID_FMT, to_index(attr)); + scnprintf(newkey, sizeof(newkey), FAN_ID_FMT, to_index(attr)); ret = applesmc_read_key(newkey, buffer, 16); buffer[16] = 0; @@ -1116,7 +1120,8 @@ static int applesmc_create_nodes(struct applesmc_node_group *groups, int num) } for (i = 0; i < num; i++) { node = &grp->nodes[i]; - sprintf(node->name, grp->format, i + 1); + scnprintf(node->name, sizeof(node->name), grp->format, + i + 1); node->sda.index = (grp->option << 16) | (i & 0xffff); node->sda.dev_attr.show = grp->show; node->sda.dev_attr.store = grp->store; diff --git a/drivers/ide/ide-timings.c b/drivers/ide/ide-timings.c index 0e05f75934c9..1858e3ce3993 100644 --- a/drivers/ide/ide-timings.c +++ b/drivers/ide/ide-timings.c @@ -104,19 +104,19 @@ u16 ide_pio_cycle_time(ide_drive_t *drive, u8 pio) EXPORT_SYMBOL_GPL(ide_pio_cycle_time); #define ENOUGH(v, unit) (((v) - 1) / (unit) + 1) -#define EZ(v, unit) ((v) ? ENOUGH(v, unit) : 0) +#define EZ(v, unit) ((v) ? ENOUGH((v) * 1000, unit) : 0) static void ide_timing_quantize(struct ide_timing *t, struct ide_timing *q, int T, int UT) { - q->setup = EZ(t->setup * 1000, T); - q->act8b = EZ(t->act8b * 1000, T); - q->rec8b = EZ(t->rec8b * 1000, T); - q->cyc8b = EZ(t->cyc8b * 1000, T); - q->active = EZ(t->active * 1000, T); - q->recover = EZ(t->recover * 1000, T); - q->cycle = EZ(t->cycle * 1000, T); - q->udma = EZ(t->udma * 1000, UT); + q->setup = EZ(t->setup, T); + q->act8b = EZ(t->act8b, T); + q->rec8b = EZ(t->rec8b, T); + q->cyc8b = EZ(t->cyc8b, T); + q->active = EZ(t->active, T); + q->recover = EZ(t->recover, T); + q->cycle = EZ(t->cycle, T); + q->udma = EZ(t->udma, UT); } void ide_timing_merge(struct ide_timing *a, struct ide_timing *b, diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index a6cb379a4ebc..01236cef7bfb 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -268,6 +268,7 @@ int rdma_translate_ip(const struct sockaddr *addr, return ret; ret = rdma_copy_addr(dev_addr, dev, NULL); + dev_addr->bound_dev_if = dev->ifindex; if (vlan_id) *vlan_id = rdma_vlan_dev_vlan_id(dev); dev_put(dev); @@ -280,6 +281,7 @@ int rdma_translate_ip(const struct sockaddr *addr, &((const struct sockaddr_in6 *)addr)->sin6_addr, dev, 1)) { ret = rdma_copy_addr(dev_addr, dev, NULL); + dev_addr->bound_dev_if = dev->ifindex; if (vlan_id) *vlan_id = rdma_vlan_dev_vlan_id(dev); break; @@ -405,10 +407,10 @@ static int addr4_resolve(struct sockaddr_in *src_in, fl4.saddr = src_ip; fl4.flowi4_oif = addr->bound_dev_if; rt = ip_route_output_key(addr->net, &fl4); - if (IS_ERR(rt)) { - ret = PTR_ERR(rt); - goto out; - } + ret = PTR_ERR_OR_ZERO(rt); + if (ret) + return ret; + src_in->sin_family = AF_INET; src_in->sin_addr.s_addr = fl4.saddr; @@ -423,8 +425,6 @@ static int addr4_resolve(struct sockaddr_in *src_in, *prt = rt; return 0; -out: - return ret; } #if IS_ENABLED(CONFIG_IPV6) @@ -509,6 +509,11 @@ static int addr_resolve(struct sockaddr *src_in, struct dst_entry *dst; int ret; + if (!addr->net) { + pr_warn_ratelimited("%s: missing namespace\n", __func__); + return -EINVAL; + } + if (src_in->sa_family == AF_INET) { struct rtable *rt = NULL; const struct sockaddr_in *dst_in4 = @@ -522,8 +527,12 @@ static int addr_resolve(struct sockaddr *src_in, if (resolve_neigh) ret = addr_resolve_neigh(&rt->dst, dst_in, addr, seq); - ndev = rt->dst.dev; - dev_hold(ndev); + if (addr->bound_dev_if) { + ndev = dev_get_by_index(addr->net, addr->bound_dev_if); + } else { + ndev = rt->dst.dev; + dev_hold(ndev); + } ip_rt_put(rt); } else { @@ -539,14 +548,27 @@ static int addr_resolve(struct sockaddr *src_in, if (resolve_neigh) ret = addr_resolve_neigh(dst, dst_in, addr, seq); - ndev = dst->dev; - dev_hold(ndev); + if (addr->bound_dev_if) { + ndev = dev_get_by_index(addr->net, addr->bound_dev_if); + } else { + ndev = dst->dev; + dev_hold(ndev); + } dst_release(dst); } - addr->bound_dev_if = ndev->ifindex; - addr->net = dev_net(ndev); + if (ndev->flags & IFF_LOOPBACK) { + ret = rdma_translate_ip(dst_in, addr, NULL); + /* + * Put the loopback device and get the translated + * device instead. + */ + dev_put(ndev); + ndev = dev_get_by_index(addr->net, addr->bound_dev_if); + } else { + addr->bound_dev_if = ndev->ifindex; + } dev_put(ndev); return ret; diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 31bb82d8ecd7..0eb393237ba2 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -623,22 +623,11 @@ static inline int cma_validate_port(struct ib_device *device, u8 port, if ((dev_type != ARPHRD_INFINIBAND) && rdma_protocol_ib(device, port)) return ret; - if (dev_type == ARPHRD_ETHER && rdma_protocol_roce(device, port)) { + if (dev_type == ARPHRD_ETHER && rdma_protocol_roce(device, port)) ndev = dev_get_by_index(&init_net, bound_if_index); - if (ndev && ndev->flags & IFF_LOOPBACK) { - pr_info("detected loopback device\n"); - dev_put(ndev); - - if (!device->get_netdev) - return -EOPNOTSUPP; - - ndev = device->get_netdev(device, port); - if (!ndev) - return -ENODEV; - } - } else { + else gid_type = IB_GID_TYPE_IB; - } + ret = ib_find_cached_gid_by_port(device, gid, gid_type, port, ndev, NULL); @@ -1044,6 +1033,8 @@ int rdma_init_qp_attr(struct rdma_cm_id *id, struct ib_qp_attr *qp_attr, } else ret = iw_cm_init_qp_attr(id_priv->cm_id.iw, qp_attr, qp_attr_mask); + qp_attr->port_num = id_priv->id.port_num; + *qp_attr_mask |= IB_QP_PORT; } else ret = -ENOSYS; @@ -2569,21 +2560,6 @@ static int cma_resolve_iboe_route(struct rdma_id_private *id_priv) goto err2; } - if (ndev->flags & IFF_LOOPBACK) { - dev_put(ndev); - if (!id_priv->id.device->get_netdev) { - ret = -EOPNOTSUPP; - goto err2; - } - - ndev = id_priv->id.device->get_netdev(id_priv->id.device, - id_priv->id.port_num); - if (!ndev) { - ret = -ENODEV; - goto err2; - } - } - supported_gids = roce_gid_type_mask_support(id_priv->id.device, id_priv->id.port_num); gid_type = cma_route_gid_type(addr->dev_addr.network, diff --git a/drivers/infiniband/core/roce_gid_mgmt.c b/drivers/infiniband/core/roce_gid_mgmt.c index db958d3207ef..94a9eefb3cfc 100644 --- a/drivers/infiniband/core/roce_gid_mgmt.c +++ b/drivers/infiniband/core/roce_gid_mgmt.c @@ -42,6 +42,8 @@ #include <rdma/ib_cache.h> #include <rdma/ib_addr.h> +static struct workqueue_struct *gid_cache_wq; + enum gid_op_type { GID_DEL = 0, GID_ADD @@ -560,7 +562,7 @@ static int netdevice_queue_work(struct netdev_event_work_cmd *cmds, } INIT_WORK(&ndev_work->work, netdevice_event_work_handler); - queue_work(ib_wq, &ndev_work->work); + queue_work(gid_cache_wq, &ndev_work->work); return NOTIFY_DONE; } @@ -693,7 +695,7 @@ static int addr_event(struct notifier_block *this, unsigned long event, dev_hold(ndev); work->gid_attr.ndev = ndev; - queue_work(ib_wq, &work->work); + queue_work(gid_cache_wq, &work->work); return NOTIFY_DONE; } @@ -740,6 +742,10 @@ static struct notifier_block nb_inet6addr = { int __init roce_gid_mgmt_init(void) { + gid_cache_wq = alloc_ordered_workqueue("gid-cache-wq", 0); + if (!gid_cache_wq) + return -ENOMEM; + register_inetaddr_notifier(&nb_inetaddr); if (IS_ENABLED(CONFIG_IPV6)) register_inet6addr_notifier(&nb_inet6addr); @@ -764,4 +770,5 @@ void __exit roce_gid_mgmt_cleanup(void) * ib-core is removed, all physical devices have been removed, * so no issue with remaining hardware contexts. */ + destroy_workqueue(gid_cache_wq); } diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 8ba9bfb073d1..2c98533a0203 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -1296,7 +1296,6 @@ ssize_t ib_uverbs_destroy_cq(struct ib_uverbs_file *file, struct ib_uobject *uobj; struct ib_cq *cq; struct ib_ucq_object *obj; - struct ib_uverbs_event_queue *ev_queue; int ret = -EINVAL; if (copy_from_user(&cmd, buf, sizeof cmd)) @@ -1313,7 +1312,6 @@ ssize_t ib_uverbs_destroy_cq(struct ib_uverbs_file *file, */ uverbs_uobject_get(uobj); cq = uobj->object; - ev_queue = cq->cq_context; obj = container_of(cq->uobject, struct ib_ucq_object, uobject); memset(&resp, 0, sizeof(resp)); @@ -1935,7 +1933,8 @@ static int modify_qp(struct ib_uverbs_file *file, goto out; } - if (!rdma_is_port_valid(qp->device, cmd->base.port_num)) { + if ((cmd->base.attr_mask & IB_QP_PORT) && + !rdma_is_port_valid(qp->device, cmd->base.port_num)) { ret = -EINVAL; goto release_qp; } @@ -2005,28 +2004,13 @@ static int modify_qp(struct ib_uverbs_file *file, rdma_ah_set_port_num(&attr->alt_ah_attr, cmd->base.alt_dest.port_num); - if (qp->real_qp == qp) { - if (cmd->base.attr_mask & IB_QP_AV) { - ret = ib_resolve_eth_dmac(qp->device, &attr->ah_attr); - if (ret) - goto release_qp; - } - ret = ib_security_modify_qp(qp, - attr, - modify_qp_mask(qp->qp_type, - cmd->base.attr_mask), - udata); - } else { - ret = ib_security_modify_qp(qp, - attr, - modify_qp_mask(qp->qp_type, - cmd->base.attr_mask), - NULL); - } + ret = ib_modify_qp_with_udata(qp, attr, + modify_qp_mask(qp->qp_type, + cmd->base.attr_mask), + udata); release_qp: uobj_put_obj_read(qp); - out: kfree(attr); @@ -2103,7 +2087,6 @@ ssize_t ib_uverbs_destroy_qp(struct ib_uverbs_file *file, struct ib_uverbs_destroy_qp cmd; struct ib_uverbs_destroy_qp_resp resp; struct ib_uobject *uobj; - struct ib_qp *qp; struct ib_uqp_object *obj; int ret = -EINVAL; @@ -2117,7 +2100,6 @@ ssize_t ib_uverbs_destroy_qp(struct ib_uverbs_file *file, if (IS_ERR(uobj)) return PTR_ERR(uobj); - qp = uobj->object; obj = container_of(uobj, struct ib_uqp_object, uevent.uobject); /* * Make sure we don't free the memory in remove_commit as we still @@ -3019,7 +3001,6 @@ int ib_uverbs_ex_destroy_wq(struct ib_uverbs_file *file, { struct ib_uverbs_ex_destroy_wq cmd = {}; struct ib_uverbs_ex_destroy_wq_resp resp = {}; - struct ib_wq *wq; struct ib_uobject *uobj; struct ib_uwq_object *obj; size_t required_cmd_sz; @@ -3053,7 +3034,6 @@ int ib_uverbs_ex_destroy_wq(struct ib_uverbs_file *file, if (IS_ERR(uobj)) return PTR_ERR(uobj); - wq = uobj->object; obj = container_of(uobj, struct ib_uwq_object, uevent.uobject); /* * Make sure we don't free the memory in remove_commit as we still @@ -3743,10 +3723,8 @@ ssize_t ib_uverbs_destroy_srq(struct ib_uverbs_file *file, struct ib_uverbs_destroy_srq cmd; struct ib_uverbs_destroy_srq_resp resp; struct ib_uobject *uobj; - struct ib_srq *srq; struct ib_uevent_object *obj; int ret = -EINVAL; - enum ib_srq_type srq_type; if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; @@ -3756,9 +3734,7 @@ ssize_t ib_uverbs_destroy_srq(struct ib_uverbs_file *file, if (IS_ERR(uobj)) return PTR_ERR(uobj); - srq = uobj->object; obj = container_of(uobj, struct ib_uevent_object, uobject); - srq_type = srq->srq_type; /* * Make sure we don't free the memory in remove_commit as we still * needs the uobject memory to create the response. diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index c973a83c898b..fb98ed67d5bc 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -452,6 +452,19 @@ int ib_get_gids_from_rdma_hdr(const union rdma_network_hdr *hdr, } EXPORT_SYMBOL(ib_get_gids_from_rdma_hdr); +/* + * This function creates ah from the incoming packet. + * Incoming packet has dgid of the receiver node on which this code is + * getting executed and, sgid contains the GID of the sender. + * + * When resolving mac address of destination, the arrived dgid is used + * as sgid and, sgid is used as dgid because sgid contains destinations + * GID whom to respond to. + * + * This is why when calling rdma_addr_find_l2_eth_by_grh() function, the + * position of arguments dgid and sgid do not match the order of the + * parameters. + */ int ib_init_ah_from_wc(struct ib_device *device, u8 port_num, const struct ib_wc *wc, const struct ib_grh *grh, struct rdma_ah_attr *ah_attr) @@ -507,11 +520,6 @@ int ib_init_ah_from_wc(struct ib_device *device, u8 port_num, } resolved_dev = dev_get_by_index(&init_net, if_index); - if (resolved_dev->flags & IFF_LOOPBACK) { - dev_put(resolved_dev); - resolved_dev = idev; - dev_hold(resolved_dev); - } rcu_read_lock(); if (resolved_dev != idev && !rdma_is_upper_dev_rcu(idev, resolved_dev)) @@ -887,6 +895,7 @@ static const struct { } qp_state_table[IB_QPS_ERR + 1][IB_QPS_ERR + 1] = { [IB_QPS_RESET] = { [IB_QPS_RESET] = { .valid = 1 }, + [IB_QPS_ERR] = { .valid = 1 }, [IB_QPS_INIT] = { .valid = 1, .req_param = { @@ -1268,20 +1277,36 @@ out: } EXPORT_SYMBOL(ib_resolve_eth_dmac); -int ib_modify_qp(struct ib_qp *qp, - struct ib_qp_attr *qp_attr, - int qp_attr_mask) +/** + * ib_modify_qp_with_udata - Modifies the attributes for the specified QP. + * @qp: The QP to modify. + * @attr: On input, specifies the QP attributes to modify. On output, + * the current values of selected QP attributes are returned. + * @attr_mask: A bit-mask used to specify which attributes of the QP + * are being modified. + * @udata: pointer to user's input output buffer information + * are being modified. + * It returns 0 on success and returns appropriate error code on error. + */ +int ib_modify_qp_with_udata(struct ib_qp *qp, struct ib_qp_attr *attr, + int attr_mask, struct ib_udata *udata) { + int ret; - if (qp_attr_mask & IB_QP_AV) { - int ret; - - ret = ib_resolve_eth_dmac(qp->device, &qp_attr->ah_attr); + if (attr_mask & IB_QP_AV) { + ret = ib_resolve_eth_dmac(qp->device, &attr->ah_attr); if (ret) return ret; } + return ib_security_modify_qp(qp, attr, attr_mask, udata); +} +EXPORT_SYMBOL(ib_modify_qp_with_udata); - return ib_security_modify_qp(qp->real_qp, qp_attr, qp_attr_mask, NULL); +int ib_modify_qp(struct ib_qp *qp, + struct ib_qp_attr *qp_attr, + int qp_attr_mask) +{ + return ib_modify_qp_with_udata(qp, qp_attr, qp_attr_mask, NULL); } EXPORT_SYMBOL(ib_modify_qp); diff --git a/drivers/infiniband/hw/bnxt_re/bnxt_re.h b/drivers/infiniband/hw/bnxt_re/bnxt_re.h index 08772836fded..85527532c49d 100644 --- a/drivers/infiniband/hw/bnxt_re/bnxt_re.h +++ b/drivers/infiniband/hw/bnxt_re/bnxt_re.h @@ -51,6 +51,8 @@ #define BNXT_RE_PAGE_SIZE_8M BIT(23) #define BNXT_RE_PAGE_SIZE_1G BIT(30) +#define BNXT_RE_MAX_MR_SIZE BIT(30) + #define BNXT_RE_MAX_QPC_COUNT (64 * 1024) #define BNXT_RE_MAX_MRW_COUNT (64 * 1024) #define BNXT_RE_MAX_SRQC_COUNT (64 * 1024) @@ -60,6 +62,13 @@ #define BNXT_RE_RQ_WQE_THRESHOLD 32 +/* + * Setting the default ack delay value to 16, which means + * the default timeout is approx. 260ms(4 usec * 2 ^(timeout)) + */ + +#define BNXT_RE_DEFAULT_ACK_DELAY 16 + struct bnxt_re_work { struct work_struct work; unsigned long event; diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index c7bd68311d0c..f0e01b3ac711 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -145,10 +145,8 @@ int bnxt_re_query_device(struct ib_device *ibdev, ib_attr->fw_ver = (u64)(unsigned long)(dev_attr->fw_ver); bnxt_qplib_get_guid(rdev->netdev->dev_addr, (u8 *)&ib_attr->sys_image_guid); - ib_attr->max_mr_size = ~0ull; - ib_attr->page_size_cap = BNXT_RE_PAGE_SIZE_4K | BNXT_RE_PAGE_SIZE_8K | - BNXT_RE_PAGE_SIZE_64K | BNXT_RE_PAGE_SIZE_2M | - BNXT_RE_PAGE_SIZE_8M | BNXT_RE_PAGE_SIZE_1G; + ib_attr->max_mr_size = BNXT_RE_MAX_MR_SIZE; + ib_attr->page_size_cap = BNXT_RE_PAGE_SIZE_4K; ib_attr->vendor_id = rdev->en_dev->pdev->vendor; ib_attr->vendor_part_id = rdev->en_dev->pdev->device; @@ -174,9 +172,11 @@ int bnxt_re_query_device(struct ib_device *ibdev, ib_attr->max_mr = dev_attr->max_mr; ib_attr->max_pd = dev_attr->max_pd; ib_attr->max_qp_rd_atom = dev_attr->max_qp_rd_atom; - ib_attr->max_qp_init_rd_atom = dev_attr->max_qp_rd_atom; - ib_attr->atomic_cap = IB_ATOMIC_HCA; - ib_attr->masked_atomic_cap = IB_ATOMIC_HCA; + ib_attr->max_qp_init_rd_atom = dev_attr->max_qp_init_rd_atom; + if (dev_attr->is_atomic) { + ib_attr->atomic_cap = IB_ATOMIC_HCA; + ib_attr->masked_atomic_cap = IB_ATOMIC_HCA; + } ib_attr->max_ee_rd_atom = 0; ib_attr->max_res_rd_atom = 0; @@ -201,7 +201,7 @@ int bnxt_re_query_device(struct ib_device *ibdev, ib_attr->max_fast_reg_page_list_len = MAX_PBL_LVL_1_PGS; ib_attr->max_pkeys = 1; - ib_attr->local_ca_ack_delay = 0; + ib_attr->local_ca_ack_delay = BNXT_RE_DEFAULT_ACK_DELAY; return 0; } @@ -390,15 +390,17 @@ int bnxt_re_del_gid(struct ib_device *ibdev, u8 port_num, return -EINVAL; ctx->refcnt--; if (!ctx->refcnt) { - rc = bnxt_qplib_del_sgid - (sgid_tbl, - &sgid_tbl->tbl[ctx->idx], true); - if (rc) + rc = bnxt_qplib_del_sgid(sgid_tbl, + &sgid_tbl->tbl[ctx->idx], + true); + if (rc) { dev_err(rdev_to_dev(rdev), "Failed to remove GID: %#x", rc); - ctx_tbl = sgid_tbl->ctx; - ctx_tbl[ctx->idx] = NULL; - kfree(ctx); + } else { + ctx_tbl = sgid_tbl->ctx; + ctx_tbl[ctx->idx] = NULL; + kfree(ctx); + } } } else { return -EINVAL; @@ -588,10 +590,10 @@ static int bnxt_re_create_fence_mr(struct bnxt_re_pd *pd) /* Create a fence MW only for kernel consumers */ mw = bnxt_re_alloc_mw(&pd->ib_pd, IB_MW_TYPE_1, NULL); - if (!mw) { + if (IS_ERR(mw)) { dev_err(rdev_to_dev(rdev), "Failed to create fence-MW for PD: %p\n", pd); - rc = -EINVAL; + rc = PTR_ERR(mw); goto fail; } fence->mw = mw; @@ -612,30 +614,13 @@ int bnxt_re_dealloc_pd(struct ib_pd *ib_pd) int rc; bnxt_re_destroy_fence_mr(pd); - if (ib_pd->uobject && pd->dpi.dbr) { - struct ib_ucontext *ib_uctx = ib_pd->uobject->context; - struct bnxt_re_ucontext *ucntx; - /* Free DPI only if this is the first PD allocated by the - * application and mark the context dpi as NULL - */ - ucntx = container_of(ib_uctx, struct bnxt_re_ucontext, ib_uctx); - - rc = bnxt_qplib_dealloc_dpi(&rdev->qplib_res, - &rdev->qplib_res.dpi_tbl, - &pd->dpi); + if (pd->qplib_pd.id) { + rc = bnxt_qplib_dealloc_pd(&rdev->qplib_res, + &rdev->qplib_res.pd_tbl, + &pd->qplib_pd); if (rc) - dev_err(rdev_to_dev(rdev), "Failed to deallocate HW DPI"); - /* Don't fail, continue*/ - ucntx->dpi = NULL; - } - - rc = bnxt_qplib_dealloc_pd(&rdev->qplib_res, - &rdev->qplib_res.pd_tbl, - &pd->qplib_pd); - if (rc) { - dev_err(rdev_to_dev(rdev), "Failed to deallocate HW PD"); - return rc; + dev_err(rdev_to_dev(rdev), "Failed to deallocate HW PD"); } kfree(pd); @@ -667,23 +652,22 @@ struct ib_pd *bnxt_re_alloc_pd(struct ib_device *ibdev, if (udata) { struct bnxt_re_pd_resp resp; - if (!ucntx->dpi) { + if (!ucntx->dpi.dbr) { /* Allocate DPI in alloc_pd to avoid failing of * ibv_devinfo and family of application when DPIs * are depleted. */ if (bnxt_qplib_alloc_dpi(&rdev->qplib_res.dpi_tbl, - &pd->dpi, ucntx)) { + &ucntx->dpi, ucntx)) { rc = -ENOMEM; goto dbfail; } - ucntx->dpi = &pd->dpi; } resp.pdid = pd->qplib_pd.id; /* Still allow mapping this DBR to the new user PD. */ - resp.dpi = ucntx->dpi->dpi; - resp.dbr = (u64)ucntx->dpi->umdbr; + resp.dpi = ucntx->dpi.dpi; + resp.dbr = (u64)ucntx->dpi.umdbr; rc = ib_copy_to_udata(udata, &resp, sizeof(resp)); if (rc) { @@ -960,7 +944,7 @@ static int bnxt_re_init_user_qp(struct bnxt_re_dev *rdev, struct bnxt_re_pd *pd, qplib_qp->rq.nmap = umem->nmap; } - qplib_qp->dpi = cntx->dpi; + qplib_qp->dpi = &cntx->dpi; return 0; rqfail: ib_umem_release(qp->sumem); @@ -1530,13 +1514,24 @@ int bnxt_re_modify_qp(struct ib_qp *ib_qp, struct ib_qp_attr *qp_attr, if (qp_attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { qp->qplib_qp.modify_flags |= CMDQ_MODIFY_QP_MODIFY_MASK_MAX_RD_ATOMIC; - qp->qplib_qp.max_rd_atomic = qp_attr->max_rd_atomic; + /* Cap the max_rd_atomic to device max */ + qp->qplib_qp.max_rd_atomic = min_t(u32, qp_attr->max_rd_atomic, + dev_attr->max_qp_rd_atom); } if (qp_attr_mask & IB_QP_SQ_PSN) { qp->qplib_qp.modify_flags |= CMDQ_MODIFY_QP_MODIFY_MASK_SQ_PSN; qp->qplib_qp.sq.psn = qp_attr->sq_psn; } if (qp_attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { + if (qp_attr->max_dest_rd_atomic > + dev_attr->max_qp_init_rd_atom) { + dev_err(rdev_to_dev(rdev), + "max_dest_rd_atomic requested%d is > dev_max%d", + qp_attr->max_dest_rd_atomic, + dev_attr->max_qp_init_rd_atom); + return -EINVAL; + } + qp->qplib_qp.modify_flags |= CMDQ_MODIFY_QP_MODIFY_MASK_MAX_DEST_RD_ATOMIC; qp->qplib_qp.max_dest_rd_atomic = qp_attr->max_dest_rd_atomic; @@ -2403,7 +2398,7 @@ struct ib_cq *bnxt_re_create_cq(struct ib_device *ibdev, } cq->qplib_cq.sghead = cq->umem->sg_head.sgl; cq->qplib_cq.nmap = cq->umem->nmap; - cq->qplib_cq.dpi = uctx->dpi; + cq->qplib_cq.dpi = &uctx->dpi; } else { cq->max_cql = min_t(u32, entries, MAX_CQL_PER_POLL); cq->cql = kcalloc(cq->max_cql, sizeof(struct bnxt_qplib_cqe), @@ -2905,6 +2900,7 @@ int bnxt_re_poll_cq(struct ib_cq *ib_cq, int num_entries, struct ib_wc *wc) spin_lock_irqsave(&cq->cq_lock, flags); budget = min_t(u32, num_entries, cq->max_cql); + num_entries = budget; if (!cq->cql) { dev_err(rdev_to_dev(cq->rdev), "POLL CQ : no CQL to use"); goto exit; @@ -3031,6 +3027,11 @@ int bnxt_re_req_notify_cq(struct ib_cq *ib_cq, else if (ib_cqn_flags & IB_CQ_SOLICITED) type = DBR_DBR_TYPE_CQ_ARMSE; + /* Poll to see if there are missed events */ + if ((ib_cqn_flags & IB_CQ_REPORT_MISSED_EVENTS) && + !(bnxt_qplib_is_cq_empty(&cq->qplib_cq))) + return 1; + bnxt_qplib_req_notify_cq(&cq->qplib_cq, type); return 0; @@ -3245,6 +3246,12 @@ struct ib_mr *bnxt_re_reg_user_mr(struct ib_pd *ib_pd, u64 start, u64 length, struct scatterlist *sg; int entry; + if (length > BNXT_RE_MAX_MR_SIZE) { + dev_err(rdev_to_dev(rdev), "MR Size: %lld > Max supported:%ld\n", + length, BNXT_RE_MAX_MR_SIZE); + return ERR_PTR(-ENOMEM); + } + mr = kzalloc(sizeof(*mr), GFP_KERNEL); if (!mr) return ERR_PTR(-ENOMEM); @@ -3388,8 +3395,26 @@ int bnxt_re_dealloc_ucontext(struct ib_ucontext *ib_uctx) struct bnxt_re_ucontext *uctx = container_of(ib_uctx, struct bnxt_re_ucontext, ib_uctx); + + struct bnxt_re_dev *rdev = uctx->rdev; + int rc = 0; + if (uctx->shpg) free_page((unsigned long)uctx->shpg); + + if (uctx->dpi.dbr) { + /* Free DPI only if this is the first PD allocated by the + * application and mark the context dpi as NULL + */ + rc = bnxt_qplib_dealloc_dpi(&rdev->qplib_res, + &rdev->qplib_res.dpi_tbl, + &uctx->dpi); + if (rc) + dev_err(rdev_to_dev(rdev), "Deallocte HW DPI failed!"); + /* Don't fail, continue*/ + uctx->dpi.dbr = NULL; + } + kfree(uctx); return 0; } diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.h b/drivers/infiniband/hw/bnxt_re/ib_verbs.h index 6c160f6a5398..a0bb7e33d7ca 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.h +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.h @@ -59,7 +59,6 @@ struct bnxt_re_pd { struct bnxt_re_dev *rdev; struct ib_pd ib_pd; struct bnxt_qplib_pd qplib_pd; - struct bnxt_qplib_dpi dpi; struct bnxt_re_fence_data fence; }; @@ -127,7 +126,7 @@ struct bnxt_re_mw { struct bnxt_re_ucontext { struct bnxt_re_dev *rdev; struct ib_ucontext ib_uctx; - struct bnxt_qplib_dpi *dpi; + struct bnxt_qplib_dpi dpi; void *shpg; spinlock_t sh_lock; /* protect shpg */ }; diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index 1fce5e73216b..ceae2d92fb08 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -333,6 +333,7 @@ static int bnxt_re_net_stats_ctx_alloc(struct bnxt_re_dev *rdev, bnxt_re_init_hwrm_hdr(rdev, (void *)&req, HWRM_STAT_CTX_ALLOC, -1, -1); req.update_period_ms = cpu_to_le32(1000); req.stats_dma_addr = cpu_to_le64(dma_map); + req.stat_ctx_flags = STAT_CTX_ALLOC_REQ_STAT_CTX_FLAGS_ROCE; bnxt_re_fill_fw_msg(&fw_msg, (void *)&req, sizeof(req), (void *)&resp, sizeof(resp), DFLT_HWRM_CMD_TIMEOUT); rc = en_dev->en_ops->bnxt_send_fw_msg(en_dev, BNXT_ROCE_ULP, &fw_msg); diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c index f05500bcdcf1..9af1514e5944 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c @@ -1128,6 +1128,11 @@ int bnxt_qplib_post_send(struct bnxt_qplib_qp *qp, } /* Each SGE entry = 1 WQE size16 */ wqe_size16 = wqe->num_sge; + /* HW requires wqe size has room for atleast one SGE even if + * none was supplied by ULP + */ + if (!wqe->num_sge) + wqe_size16++; } /* Specifics */ @@ -1364,6 +1369,11 @@ int bnxt_qplib_post_recv(struct bnxt_qplib_qp *qp, rqe->flags = wqe->flags; rqe->wqe_size = wqe->num_sge + ((offsetof(typeof(*rqe), data) + 15) >> 4); + /* HW requires wqe size has room for atleast one SGE even if none + * was supplied by ULP + */ + if (!wqe->num_sge) + rqe->wqe_size++; /* Supply the rqe->wr_id index to the wr_id_tbl for now */ rqe->wr_id[0] = cpu_to_le32(sw_prod); @@ -1885,6 +1895,25 @@ flush_rq: return rc; } +bool bnxt_qplib_is_cq_empty(struct bnxt_qplib_cq *cq) +{ + struct cq_base *hw_cqe, **hw_cqe_ptr; + unsigned long flags; + u32 sw_cons, raw_cons; + bool rc = true; + + spin_lock_irqsave(&cq->hwq.lock, flags); + raw_cons = cq->hwq.cons; + sw_cons = HWQ_CMP(raw_cons, &cq->hwq); + hw_cqe_ptr = (struct cq_base **)cq->hwq.pbl_ptr; + hw_cqe = &hw_cqe_ptr[CQE_PG(sw_cons)][CQE_IDX(sw_cons)]; + + /* Check for Valid bit. If the CQE is valid, return false */ + rc = !CQE_CMP_VALID(hw_cqe, raw_cons, cq->hwq.max_elements); + spin_unlock_irqrestore(&cq->hwq.lock, flags); + return rc; +} + static int bnxt_qplib_cq_process_res_raweth_qp1(struct bnxt_qplib_cq *cq, struct cq_res_raweth_qp1 *hwcqe, struct bnxt_qplib_cqe **pcqe, diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h index 36b7b7db0e3f..19176e06c98a 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h @@ -449,6 +449,7 @@ int bnxt_qplib_create_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq); int bnxt_qplib_destroy_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq); int bnxt_qplib_poll_cq(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe *cqe, int num, struct bnxt_qplib_qp **qp); +bool bnxt_qplib_is_cq_empty(struct bnxt_qplib_cq *cq); void bnxt_qplib_req_notify_cq(struct bnxt_qplib_cq *cq, u32 arm_type); void bnxt_qplib_free_nq(struct bnxt_qplib_nq *nq); int bnxt_qplib_alloc_nq(struct pci_dev *pdev, struct bnxt_qplib_nq *nq); diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c index fde18cf0e406..ef91ab786dd4 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c @@ -51,6 +51,19 @@ const struct bnxt_qplib_gid bnxt_qplib_gid_zero = {{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }; /* Device */ + +static bool bnxt_qplib_is_atomic_cap(struct bnxt_qplib_rcfw *rcfw) +{ + int rc; + u16 pcie_ctl2; + + rc = pcie_capability_read_word(rcfw->pdev, PCI_EXP_DEVCTL2, + &pcie_ctl2); + if (rc) + return false; + return !!(pcie_ctl2 & PCI_EXP_DEVCTL2_ATOMIC_REQ); +} + int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, struct bnxt_qplib_dev_attr *attr) { @@ -81,6 +94,8 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, /* Extract the context from the side buffer */ attr->max_qp = le32_to_cpu(sb->max_qp); + /* max_qp value reported by FW for PF doesn't include the QP1 for PF */ + attr->max_qp += 1; attr->max_qp_rd_atom = sb->max_qp_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ? BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_rd_atom; @@ -129,6 +144,7 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, attr->tqm_alloc_reqs[i * 4 + 3] = *(++tqm_alloc); } + attr->is_atomic = bnxt_qplib_is_atomic_cap(rcfw); bail: bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf); return rc; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.h b/drivers/infiniband/hw/bnxt_re/qplib_sp.h index a543f959098b..2ce7e2a32cf0 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.h @@ -42,6 +42,8 @@ #define BNXT_QPLIB_RESERVED_QP_WRS 128 +#define PCI_EXP_DEVCTL2_ATOMIC_REQ 0x0040 + struct bnxt_qplib_dev_attr { char fw_ver[32]; u16 max_sgid; @@ -70,6 +72,7 @@ struct bnxt_qplib_dev_attr { u32 max_inline_data; u32 l2_db_size; u8 tqm_alloc_reqs[MAX_TQM_ALLOC_REQ]; + bool is_atomic; }; struct bnxt_qplib_pd { diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index 29d30744d6c9..0cd0c1fa27d4 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -718,7 +718,7 @@ static struct ib_mr *iwch_alloc_mr(struct ib_pd *pd, struct iwch_mr *mhp; u32 mmid; u32 stag = 0; - int ret = 0; + int ret = -ENOMEM; if (mr_type != IB_MR_TYPE_MEM_REG || max_num_sg > T3_MAX_FASTREG_DEPTH) @@ -731,10 +731,8 @@ static struct ib_mr *iwch_alloc_mr(struct ib_pd *pd, goto err; mhp->pages = kcalloc(max_num_sg, sizeof(u64), GFP_KERNEL); - if (!mhp->pages) { - ret = -ENOMEM; + if (!mhp->pages) goto pl_err; - } mhp->rhp = rhp; ret = iwch_alloc_pbl(mhp, max_num_sg); @@ -751,7 +749,8 @@ static struct ib_mr *iwch_alloc_mr(struct ib_pd *pd, mhp->attr.state = 1; mmid = (stag) >> 8; mhp->ibmr.rkey = mhp->ibmr.lkey = stag; - if (insert_handle(rhp, &rhp->mmidr, mhp, mmid)) + ret = insert_handle(rhp, &rhp->mmidr, mhp, mmid); + if (ret) goto err3; pr_debug("%s mmid 0x%x mhp %p stag 0x%x\n", __func__, mmid, mhp, stag); diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c index e16fcaf6b5a3..be07da1997e6 100644 --- a/drivers/infiniband/hw/cxgb4/cq.c +++ b/drivers/infiniband/hw/cxgb4/cq.c @@ -963,6 +963,7 @@ struct ib_cq *c4iw_create_cq(struct ib_device *ibdev, goto err3; if (ucontext) { + ret = -ENOMEM; mm = kmalloc(sizeof *mm, GFP_KERNEL); if (!mm) goto err4; diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index bfc77596acbe..cb7fc0d35d1d 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -569,7 +569,7 @@ static int build_rdma_read(union t4_wr *wqe, struct ib_send_wr *wr, u8 *len16) { if (wr->num_sge > 1) return -EINVAL; - if (wr->num_sge) { + if (wr->num_sge && wr->sg_list[0].length) { wqe->read.stag_src = cpu_to_be32(rdma_wr(wr)->rkey); wqe->read.to_src_hi = cpu_to_be32((u32)(rdma_wr(wr)->remote_addr >> 32)); diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index 2ba00b89df6a..94b54850ec75 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -12847,7 +12847,12 @@ static void remap_intr(struct hfi1_devdata *dd, int isrc, int msix_intr) /* clear from the handled mask of the general interrupt */ m = isrc / 64; n = isrc % 64; - dd->gi_mask[m] &= ~((u64)1 << n); + if (likely(m < CCE_NUM_INT_CSRS)) { + dd->gi_mask[m] &= ~((u64)1 << n); + } else { + dd_dev_err(dd, "remap interrupt err\n"); + return; + } /* direct the chip source to the given MSI-X interrupt */ m = isrc / 8; diff --git a/drivers/infiniband/hw/hfi1/qp.c b/drivers/infiniband/hw/hfi1/qp.c index 650305cc0373..1a7af9f60c13 100644 --- a/drivers/infiniband/hw/hfi1/qp.c +++ b/drivers/infiniband/hw/hfi1/qp.c @@ -647,18 +647,17 @@ void qp_iter_print(struct seq_file *s, struct qp_iter *iter) qp->pid); } -void *qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp, - gfp_t gfp) +void *qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp) { struct hfi1_qp_priv *priv; - priv = kzalloc_node(sizeof(*priv), gfp, rdi->dparms.node); + priv = kzalloc_node(sizeof(*priv), GFP_KERNEL, rdi->dparms.node); if (!priv) return ERR_PTR(-ENOMEM); priv->owner = qp; - priv->s_ahg = kzalloc_node(sizeof(*priv->s_ahg), gfp, + priv->s_ahg = kzalloc_node(sizeof(*priv->s_ahg), GFP_KERNEL, rdi->dparms.node); if (!priv->s_ahg) { kfree(priv); diff --git a/drivers/infiniband/hw/hfi1/qp.h b/drivers/infiniband/hw/hfi1/qp.h index 1eb9cd7b8c19..6fe542b6a927 100644 --- a/drivers/infiniband/hw/hfi1/qp.h +++ b/drivers/infiniband/hw/hfi1/qp.h @@ -123,8 +123,7 @@ void hfi1_migrate_qp(struct rvt_qp *qp); /* * Functions provided by hfi1 driver for rdmavt to use */ -void *qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp, - gfp_t gfp); +void *qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp); void qp_priv_free(struct rvt_dev_info *rdi, struct rvt_qp *qp); unsigned free_all_qps(struct rvt_dev_info *rdi); void notify_qp_reset(struct rvt_qp *qp); diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index 37d5d29597a4..23fad6d96944 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -228,14 +228,14 @@ int hns_roce_v1_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, switch (wr->opcode) { case IB_WR_RDMA_READ: ps_opcode = HNS_ROCE_WQE_OPCODE_RDMA_READ; - set_raddr_seg(wqe, atomic_wr(wr)->remote_addr, - atomic_wr(wr)->rkey); + set_raddr_seg(wqe, rdma_wr(wr)->remote_addr, + rdma_wr(wr)->rkey); break; case IB_WR_RDMA_WRITE: case IB_WR_RDMA_WRITE_WITH_IMM: ps_opcode = HNS_ROCE_WQE_OPCODE_RDMA_WRITE; - set_raddr_seg(wqe, atomic_wr(wr)->remote_addr, - atomic_wr(wr)->rkey); + set_raddr_seg(wqe, rdma_wr(wr)->remote_addr, + rdma_wr(wr)->rkey); break; case IB_WR_SEND: case IB_WR_SEND_WITH_INV: @@ -661,9 +661,11 @@ static int hns_roce_v1_rsv_lp_qp(struct hns_roce_dev *hr_dev) union ib_gid dgid; u64 subnet_prefix; int attr_mask = 0; - int i; + int i, j; int ret; + u8 queue_en[HNS_ROCE_V1_RESV_QP] = { 0 }; u8 phy_port; + u8 port = 0; u8 sl; priv = (struct hns_roce_v1_priv *)hr_dev->hw->priv; @@ -709,11 +711,27 @@ static int hns_roce_v1_rsv_lp_qp(struct hns_roce_dev *hr_dev) attr.rnr_retry = 7; attr.timeout = 0x12; attr.path_mtu = IB_MTU_256; + attr.ah_attr.type = RDMA_AH_ATTR_TYPE_ROCE; rdma_ah_set_grh(&attr.ah_attr, NULL, 0, 0, 1, 0); rdma_ah_set_static_rate(&attr.ah_attr, 3); subnet_prefix = cpu_to_be64(0xfe80000000000000LL); for (i = 0; i < HNS_ROCE_V1_RESV_QP; i++) { + phy_port = (i >= HNS_ROCE_MAX_PORTS) ? (i - 2) : + (i % HNS_ROCE_MAX_PORTS); + sl = i / HNS_ROCE_MAX_PORTS; + + for (j = 0; j < caps->num_ports; j++) { + if (hr_dev->iboe.phy_port[j] == phy_port) { + queue_en[i] = 1; + port = j; + break; + } + } + + if (!queue_en[i]) + continue; + free_mr->mr_free_qp[i] = hns_roce_v1_create_lp_qp(hr_dev, pd); if (IS_ERR(free_mr->mr_free_qp[i])) { dev_err(dev, "Create loop qp failed!\n"); @@ -721,15 +739,7 @@ static int hns_roce_v1_rsv_lp_qp(struct hns_roce_dev *hr_dev) } hr_qp = free_mr->mr_free_qp[i]; - sl = i / caps->num_ports; - - if (caps->num_ports == HNS_ROCE_MAX_PORTS) - phy_port = (i >= HNS_ROCE_MAX_PORTS) ? (i - 2) : - (i % caps->num_ports); - else - phy_port = i % caps->num_ports; - - hr_qp->port = phy_port + 1; + hr_qp->port = port; hr_qp->phy_port = phy_port; hr_qp->ibqp.qp_type = IB_QPT_RC; hr_qp->ibqp.device = &hr_dev->ib_dev; @@ -739,23 +749,22 @@ static int hns_roce_v1_rsv_lp_qp(struct hns_roce_dev *hr_dev) hr_qp->ibqp.recv_cq = cq; hr_qp->ibqp.send_cq = cq; - rdma_ah_set_port_num(&attr.ah_attr, phy_port + 1); - rdma_ah_set_sl(&attr.ah_attr, phy_port + 1); - attr.port_num = phy_port + 1; + rdma_ah_set_port_num(&attr.ah_attr, port + 1); + rdma_ah_set_sl(&attr.ah_attr, sl); + attr.port_num = port + 1; attr.dest_qp_num = hr_qp->qpn; memcpy(rdma_ah_retrieve_dmac(&attr.ah_attr), - hr_dev->dev_addr[phy_port], + hr_dev->dev_addr[port], MAC_ADDR_OCTET_NUM); memcpy(&dgid.raw, &subnet_prefix, sizeof(u64)); - memcpy(&dgid.raw[8], hr_dev->dev_addr[phy_port], 3); - memcpy(&dgid.raw[13], hr_dev->dev_addr[phy_port] + 3, 3); + memcpy(&dgid.raw[8], hr_dev->dev_addr[port], 3); + memcpy(&dgid.raw[13], hr_dev->dev_addr[port] + 3, 3); dgid.raw[11] = 0xff; dgid.raw[12] = 0xfe; dgid.raw[8] ^= 2; rdma_ah_set_dgid_raw(&attr.ah_attr, dgid.raw); - attr_mask |= IB_QP_PORT; ret = hr_dev->hw->modify_qp(&hr_qp->ibqp, &attr, attr_mask, IB_QPS_RESET, IB_QPS_INIT); @@ -812,6 +821,9 @@ static void hns_roce_v1_release_lp_qp(struct hns_roce_dev *hr_dev) for (i = 0; i < HNS_ROCE_V1_RESV_QP; i++) { hr_qp = free_mr->mr_free_qp[i]; + if (!hr_qp) + continue; + ret = hns_roce_v1_destroy_qp(&hr_qp->ibqp); if (ret) dev_err(dev, "Destroy qp %d for mr free failed(%d)!\n", @@ -963,7 +975,7 @@ static void hns_roce_v1_mr_free_work_fn(struct work_struct *work) msecs_to_jiffies(HNS_ROCE_V1_FREE_MR_TIMEOUT_MSECS) + jiffies; int i; int ret; - int ne; + int ne = 0; mr_work = container_of(work, struct hns_roce_mr_free_work, work); hr_mr = (struct hns_roce_mr *)mr_work->mr; @@ -976,6 +988,10 @@ static void hns_roce_v1_mr_free_work_fn(struct work_struct *work) for (i = 0; i < HNS_ROCE_V1_RESV_QP; i++) { hr_qp = free_mr->mr_free_qp[i]; + if (!hr_qp) + continue; + ne++; + ret = hns_roce_v1_send_lp_wqe(hr_qp); if (ret) { dev_err(dev, @@ -985,7 +1001,6 @@ static void hns_roce_v1_mr_free_work_fn(struct work_struct *work) } } - ne = HNS_ROCE_V1_RESV_QP; do { ret = hns_roce_v1_poll_cq(&mr_free_cq->ib_cq, ne, wc); if (ret < 0) { @@ -995,7 +1010,8 @@ static void hns_roce_v1_mr_free_work_fn(struct work_struct *work) goto free_work; } ne -= ret; - msleep(HNS_ROCE_V1_FREE_MR_WAIT_VALUE); + usleep_range(HNS_ROCE_V1_FREE_MR_WAIT_VALUE * 1000, + (1 + HNS_ROCE_V1_FREE_MR_WAIT_VALUE) * 1000); } while (ne && time_before_eq(jiffies, end)); if (ne != 0) @@ -2181,7 +2197,7 @@ static int hns_roce_v1_poll_one(struct hns_roce_cq *hr_cq, } wc->wr_id = wq->wrid[wq->tail & (wq->wqe_cnt - 1)]; ++wq->tail; - } else { + } else { /* RQ conrespond to CQE */ wc->byte_len = le32_to_cpu(cqe->byte_cnt); opcode = roce_get_field(cqe->cqe_byte_4, @@ -3533,10 +3549,12 @@ static int check_qp_db_process_status(struct hns_roce_dev *hr_dev, old_cnt = roce_get_field(old_send, ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_M, ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_S); - if (cur_cnt - old_cnt > SDB_ST_CMP_VAL) + if (cur_cnt - old_cnt > + SDB_ST_CMP_VAL) { success_flags = 1; - else { - send_ptr = roce_get_field(old_send, + } else { + send_ptr = + roce_get_field(old_send, ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_M, ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_S) + roce_get_field(sdb_retry_cnt, @@ -3641,6 +3659,7 @@ static void hns_roce_v1_destroy_qp_work_fn(struct work_struct *work) struct hns_roce_dev *hr_dev; struct hns_roce_qp *hr_qp; struct device *dev; + unsigned long qpn; int ret; qp_work_entry = container_of(work, struct hns_roce_qp_work, work); @@ -3648,8 +3667,9 @@ static void hns_roce_v1_destroy_qp_work_fn(struct work_struct *work) dev = &hr_dev->pdev->dev; priv = (struct hns_roce_v1_priv *)hr_dev->hw->priv; hr_qp = qp_work_entry->qp; + qpn = hr_qp->qpn; - dev_dbg(dev, "Schedule destroy QP(0x%lx) work.\n", hr_qp->qpn); + dev_dbg(dev, "Schedule destroy QP(0x%lx) work.\n", qpn); qp_work_entry->sche_cnt++; @@ -3660,7 +3680,7 @@ static void hns_roce_v1_destroy_qp_work_fn(struct work_struct *work) &qp_work_entry->db_wait_stage); if (ret) { dev_err(dev, "Check QP(0x%lx) db process status failed!\n", - hr_qp->qpn); + qpn); return; } @@ -3674,7 +3694,7 @@ static void hns_roce_v1_destroy_qp_work_fn(struct work_struct *work) ret = hns_roce_v1_modify_qp(&hr_qp->ibqp, NULL, 0, hr_qp->state, IB_QPS_RESET); if (ret) { - dev_err(dev, "Modify QP(0x%lx) to RST failed!\n", hr_qp->qpn); + dev_err(dev, "Modify QP(0x%lx) to RST failed!\n", qpn); return; } @@ -3683,14 +3703,14 @@ static void hns_roce_v1_destroy_qp_work_fn(struct work_struct *work) if (hr_qp->ibqp.qp_type == IB_QPT_RC) { /* RC QP, release QPN */ - hns_roce_release_range_qp(hr_dev, hr_qp->qpn, 1); + hns_roce_release_range_qp(hr_dev, qpn, 1); kfree(hr_qp); } else kfree(hr_to_hr_sqp(hr_qp)); kfree(qp_work_entry); - dev_dbg(dev, "Accomplished destroy QP(0x%lx) work.\n", hr_qp->qpn); + dev_dbg(dev, "Accomplished destroy QP(0x%lx) work.\n", qpn); } int hns_roce_v1_destroy_qp(struct ib_qp *ibqp) diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index c3b41f95e70a..d9777b662eba 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -125,8 +125,6 @@ static int handle_en_event(struct hns_roce_dev *hr_dev, u8 port, return -ENODEV; } - spin_lock_bh(&hr_dev->iboe.lock); - switch (event) { case NETDEV_UP: case NETDEV_CHANGE: @@ -144,7 +142,6 @@ static int handle_en_event(struct hns_roce_dev *hr_dev, u8 port, break; } - spin_unlock_bh(&hr_dev->iboe.lock); return 0; } diff --git a/drivers/infiniband/hw/i40iw/i40iw.h b/drivers/infiniband/hw/i40iw/i40iw.h index da2eb5a281fa..9b1566468744 100644 --- a/drivers/infiniband/hw/i40iw/i40iw.h +++ b/drivers/infiniband/hw/i40iw/i40iw.h @@ -527,6 +527,7 @@ enum i40iw_status_code i40iw_add_mac_addr(struct i40iw_device *iwdev, int i40iw_modify_qp(struct ib_qp *, struct ib_qp_attr *, int, struct ib_udata *); void i40iw_cq_wq_destroy(struct i40iw_device *iwdev, struct i40iw_sc_cq *cq); +void i40iw_cleanup_pending_cqp_op(struct i40iw_device *iwdev); void i40iw_rem_pdusecount(struct i40iw_pd *iwpd, struct i40iw_device *iwdev); void i40iw_add_pdusecount(struct i40iw_pd *iwpd); void i40iw_rem_devusecount(struct i40iw_device *iwdev); diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.c b/drivers/infiniband/hw/i40iw/i40iw_cm.c index 6ae98aa7f74e..5a2fa743676c 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_cm.c +++ b/drivers/infiniband/hw/i40iw/i40iw_cm.c @@ -3487,7 +3487,8 @@ static void i40iw_cm_disconn_true(struct i40iw_qp *iwqp) if (((original_hw_tcp_state == I40IW_TCP_STATE_CLOSED) || (original_hw_tcp_state == I40IW_TCP_STATE_TIME_WAIT) || (last_ae == I40IW_AE_RDMAP_ROE_BAD_LLP_CLOSE) || - (last_ae == I40IW_AE_LLP_CONNECTION_RESET))) { + (last_ae == I40IW_AE_LLP_CONNECTION_RESET) || + iwdev->reset)) { issue_close = 1; iwqp->cm_id = NULL; if (!iwqp->flush_issued) { @@ -4265,6 +4266,8 @@ void i40iw_cm_disconnect_all(struct i40iw_device *iwdev) cm_node = container_of(list_node, struct i40iw_cm_node, connected_entry); attr.qp_state = IB_QPS_ERR; i40iw_modify_qp(&cm_node->iwqp->ibqp, &attr, IB_QP_STATE, NULL); + if (iwdev->reset) + i40iw_cm_disconn(cm_node->iwqp); i40iw_rem_ref_cm_node(cm_node); } } diff --git a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c index a027e2072477..9ec1ae9a82c9 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c +++ b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c @@ -1970,6 +1970,8 @@ static enum i40iw_status_code i40iw_sc_ccq_destroy(struct i40iw_sc_cq *ccq, ret_code = i40iw_cqp_poll_registers(cqp, tail, 1000); } + cqp->process_cqp_sds = i40iw_update_sds_noccq; + return ret_code; } diff --git a/drivers/infiniband/hw/i40iw/i40iw_main.c b/drivers/infiniband/hw/i40iw/i40iw_main.c index e0f47cc2effc..ae8463ff59a7 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_main.c +++ b/drivers/infiniband/hw/i40iw/i40iw_main.c @@ -243,6 +243,8 @@ static void i40iw_destroy_cqp(struct i40iw_device *iwdev, bool free_hwcqp) if (free_hwcqp) dev->cqp_ops->cqp_destroy(dev->cqp); + i40iw_cleanup_pending_cqp_op(iwdev); + i40iw_free_dma_mem(dev->hw, &cqp->sq); kfree(cqp->scratch_array); iwdev->cqp.scratch_array = NULL; @@ -274,13 +276,12 @@ static void i40iw_disable_irq(struct i40iw_sc_dev *dev, /** * i40iw_destroy_aeq - destroy aeq * @iwdev: iwarp device - * @reset: true if called before reset * * Issue a destroy aeq request and * free the resources associated with the aeq * The function is called during driver unload */ -static void i40iw_destroy_aeq(struct i40iw_device *iwdev, bool reset) +static void i40iw_destroy_aeq(struct i40iw_device *iwdev) { enum i40iw_status_code status = I40IW_ERR_NOT_READY; struct i40iw_sc_dev *dev = &iwdev->sc_dev; @@ -288,7 +289,7 @@ static void i40iw_destroy_aeq(struct i40iw_device *iwdev, bool reset) if (!iwdev->msix_shared) i40iw_disable_irq(dev, iwdev->iw_msixtbl, (void *)iwdev); - if (reset) + if (iwdev->reset) goto exit; if (!dev->aeq_ops->aeq_destroy(&aeq->sc_aeq, 0, 1)) @@ -304,19 +305,17 @@ exit: * i40iw_destroy_ceq - destroy ceq * @iwdev: iwarp device * @iwceq: ceq to be destroyed - * @reset: true if called before reset * * Issue a destroy ceq request and * free the resources associated with the ceq */ static void i40iw_destroy_ceq(struct i40iw_device *iwdev, - struct i40iw_ceq *iwceq, - bool reset) + struct i40iw_ceq *iwceq) { enum i40iw_status_code status; struct i40iw_sc_dev *dev = &iwdev->sc_dev; - if (reset) + if (iwdev->reset) goto exit; status = dev->ceq_ops->ceq_destroy(&iwceq->sc_ceq, 0, 1); @@ -335,12 +334,11 @@ exit: /** * i40iw_dele_ceqs - destroy all ceq's * @iwdev: iwarp device - * @reset: true if called before reset * * Go through all of the device ceq's and for each ceq * disable the ceq interrupt and destroy the ceq */ -static void i40iw_dele_ceqs(struct i40iw_device *iwdev, bool reset) +static void i40iw_dele_ceqs(struct i40iw_device *iwdev) { u32 i = 0; struct i40iw_sc_dev *dev = &iwdev->sc_dev; @@ -349,32 +347,31 @@ static void i40iw_dele_ceqs(struct i40iw_device *iwdev, bool reset) if (iwdev->msix_shared) { i40iw_disable_irq(dev, msix_vec, (void *)iwdev); - i40iw_destroy_ceq(iwdev, iwceq, reset); + i40iw_destroy_ceq(iwdev, iwceq); iwceq++; i++; } for (msix_vec++; i < iwdev->ceqs_count; i++, msix_vec++, iwceq++) { i40iw_disable_irq(dev, msix_vec, (void *)iwceq); - i40iw_destroy_ceq(iwdev, iwceq, reset); + i40iw_destroy_ceq(iwdev, iwceq); } } /** * i40iw_destroy_ccq - destroy control cq * @iwdev: iwarp device - * @reset: true if called before reset * * Issue destroy ccq request and * free the resources associated with the ccq */ -static void i40iw_destroy_ccq(struct i40iw_device *iwdev, bool reset) +static void i40iw_destroy_ccq(struct i40iw_device *iwdev) { struct i40iw_sc_dev *dev = &iwdev->sc_dev; struct i40iw_ccq *ccq = &iwdev->ccq; enum i40iw_status_code status = 0; - if (!reset) + if (!iwdev->reset) status = dev->ccq_ops->ccq_destroy(dev->ccq, 0, true); if (status) i40iw_pr_err("ccq destroy failed %d\n", status); @@ -810,7 +807,7 @@ static enum i40iw_status_code i40iw_setup_ceqs(struct i40iw_device *iwdev, iwceq->msix_idx = msix_vec->idx; status = i40iw_configure_ceq_vector(iwdev, iwceq, ceq_id, msix_vec); if (status) { - i40iw_destroy_ceq(iwdev, iwceq, false); + i40iw_destroy_ceq(iwdev, iwceq); break; } i40iw_enable_intr(&iwdev->sc_dev, msix_vec->idx); @@ -912,7 +909,7 @@ static enum i40iw_status_code i40iw_setup_aeq(struct i40iw_device *iwdev) status = i40iw_configure_aeq_vector(iwdev); if (status) { - i40iw_destroy_aeq(iwdev, false); + i40iw_destroy_aeq(iwdev); return status; } @@ -1442,12 +1439,11 @@ static enum i40iw_status_code i40iw_save_msix_info(struct i40iw_device *iwdev, /** * i40iw_deinit_device - clean up the device resources * @iwdev: iwarp device - * @reset: true if called before reset * * Destroy the ib device interface, remove the mac ip entry and ipv4/ipv6 addresses, * destroy the device queues and free the pble and the hmc objects */ -static void i40iw_deinit_device(struct i40iw_device *iwdev, bool reset) +static void i40iw_deinit_device(struct i40iw_device *iwdev) { struct i40e_info *ldev = iwdev->ldev; @@ -1464,7 +1460,7 @@ static void i40iw_deinit_device(struct i40iw_device *iwdev, bool reset) i40iw_destroy_rdma_device(iwdev->iwibdev); /* fallthrough */ case IP_ADDR_REGISTERED: - if (!reset) + if (!iwdev->reset) i40iw_del_macip_entry(iwdev, (u8)iwdev->mac_ip_table_idx); /* fallthrough */ case INET_NOTIFIER: @@ -1474,26 +1470,26 @@ static void i40iw_deinit_device(struct i40iw_device *iwdev, bool reset) unregister_inet6addr_notifier(&i40iw_inetaddr6_notifier); } /* fallthrough */ + case PBLE_CHUNK_MEM: + i40iw_destroy_pble_pool(dev, iwdev->pble_rsrc); + /* fallthrough */ case CEQ_CREATED: - i40iw_dele_ceqs(iwdev, reset); + i40iw_dele_ceqs(iwdev); /* fallthrough */ case AEQ_CREATED: - i40iw_destroy_aeq(iwdev, reset); + i40iw_destroy_aeq(iwdev); /* fallthrough */ case IEQ_CREATED: - i40iw_puda_dele_resources(&iwdev->vsi, I40IW_PUDA_RSRC_TYPE_IEQ, reset); + i40iw_puda_dele_resources(&iwdev->vsi, I40IW_PUDA_RSRC_TYPE_IEQ, iwdev->reset); /* fallthrough */ case ILQ_CREATED: - i40iw_puda_dele_resources(&iwdev->vsi, I40IW_PUDA_RSRC_TYPE_ILQ, reset); + i40iw_puda_dele_resources(&iwdev->vsi, I40IW_PUDA_RSRC_TYPE_ILQ, iwdev->reset); /* fallthrough */ case CCQ_CREATED: - i40iw_destroy_ccq(iwdev, reset); - /* fallthrough */ - case PBLE_CHUNK_MEM: - i40iw_destroy_pble_pool(dev, iwdev->pble_rsrc); + i40iw_destroy_ccq(iwdev); /* fallthrough */ case HMC_OBJS_CREATED: - i40iw_del_hmc_objects(dev, dev->hmc_info, true, reset); + i40iw_del_hmc_objects(dev, dev->hmc_info, true, iwdev->reset); /* fallthrough */ case CQP_CREATED: i40iw_destroy_cqp(iwdev, true); @@ -1670,6 +1666,7 @@ static int i40iw_open(struct i40e_info *ldev, struct i40e_client *client) status = i40iw_hmc_init_pble(&iwdev->sc_dev, iwdev->pble_rsrc); if (status) break; + iwdev->init_state = PBLE_CHUNK_MEM; iwdev->virtchnl_wq = alloc_ordered_workqueue("iwvch", WQ_MEM_RECLAIM); i40iw_register_notifiers(); iwdev->init_state = INET_NOTIFIER; @@ -1693,7 +1690,7 @@ static int i40iw_open(struct i40e_info *ldev, struct i40e_client *client) } while (0); i40iw_pr_err("status = %d last completion = %d\n", status, iwdev->init_state); - i40iw_deinit_device(iwdev, false); + i40iw_deinit_device(iwdev); return -ERESTART; } @@ -1774,9 +1771,12 @@ static void i40iw_close(struct i40e_info *ldev, struct i40e_client *client, bool iwdev = &hdl->device; iwdev->closing = true; + if (reset) + iwdev->reset = true; + i40iw_cm_disconnect_all(iwdev); destroy_workqueue(iwdev->virtchnl_wq); - i40iw_deinit_device(iwdev, reset); + i40iw_deinit_device(iwdev); } /** diff --git a/drivers/infiniband/hw/i40iw/i40iw_puda.c b/drivers/infiniband/hw/i40iw/i40iw_puda.c index db41ab40da9c..71050c5d29a0 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_puda.c +++ b/drivers/infiniband/hw/i40iw/i40iw_puda.c @@ -408,6 +408,9 @@ enum i40iw_status_code i40iw_puda_send(struct i40iw_sc_qp *qp, set_64bit_val(wqe, 0, info->paddr); set_64bit_val(wqe, 8, LS_64(info->len, I40IWQPSQ_FRAG_LEN)); set_64bit_val(wqe, 16, header[0]); + + /* Ensure all data is written before writing valid bit */ + wmb(); set_64bit_val(wqe, 24, header[1]); i40iw_debug_buf(qp->dev, I40IW_DEBUG_PUDA, "PUDA SEND WQE", wqe, 32); @@ -1411,10 +1414,10 @@ static void i40iw_ieq_handle_exception(struct i40iw_puda_rsrc *ieq, if (!list_empty(rxlist)) { tmpbuf = (struct i40iw_puda_buf *)rxlist->next; - plist = &tmpbuf->list; while ((struct list_head *)tmpbuf != rxlist) { if ((int)(buf->seqnum - tmpbuf->seqnum) < 0) break; + plist = &tmpbuf->list; tmpbuf = (struct i40iw_puda_buf *)plist->next; } /* Insert buf before tmpbuf */ diff --git a/drivers/infiniband/hw/i40iw/i40iw_utils.c b/drivers/infiniband/hw/i40iw/i40iw_utils.c index 56d986924a4c..e311ec559f4e 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_utils.c +++ b/drivers/infiniband/hw/i40iw/i40iw_utils.c @@ -337,6 +337,7 @@ struct i40iw_cqp_request *i40iw_get_cqp_request(struct i40iw_cqp *cqp, bool wait */ void i40iw_free_cqp_request(struct i40iw_cqp *cqp, struct i40iw_cqp_request *cqp_request) { + struct i40iw_device *iwdev = container_of(cqp, struct i40iw_device, cqp); unsigned long flags; if (cqp_request->dynamic) { @@ -350,6 +351,7 @@ void i40iw_free_cqp_request(struct i40iw_cqp *cqp, struct i40iw_cqp_request *cqp list_add_tail(&cqp_request->list, &cqp->cqp_avail_reqs); spin_unlock_irqrestore(&cqp->req_lock, flags); } + wake_up(&iwdev->close_wq); } /** @@ -365,6 +367,56 @@ void i40iw_put_cqp_request(struct i40iw_cqp *cqp, } /** + * i40iw_free_pending_cqp_request -free pending cqp request objs + * @cqp: cqp ptr + * @cqp_request: to be put back in cqp list + */ +static void i40iw_free_pending_cqp_request(struct i40iw_cqp *cqp, + struct i40iw_cqp_request *cqp_request) +{ + struct i40iw_device *iwdev = container_of(cqp, struct i40iw_device, cqp); + + if (cqp_request->waiting) { + cqp_request->compl_info.error = true; + cqp_request->request_done = true; + wake_up(&cqp_request->waitq); + } + i40iw_put_cqp_request(cqp, cqp_request); + wait_event_timeout(iwdev->close_wq, + !atomic_read(&cqp_request->refcount), + 1000); +} + +/** + * i40iw_cleanup_pending_cqp_op - clean-up cqp with no completions + * @iwdev: iwarp device + */ +void i40iw_cleanup_pending_cqp_op(struct i40iw_device *iwdev) +{ + struct i40iw_sc_dev *dev = &iwdev->sc_dev; + struct i40iw_cqp *cqp = &iwdev->cqp; + struct i40iw_cqp_request *cqp_request = NULL; + struct cqp_commands_info *pcmdinfo = NULL; + u32 i, pending_work, wqe_idx; + + pending_work = I40IW_RING_WORK_AVAILABLE(cqp->sc_cqp.sq_ring); + wqe_idx = I40IW_RING_GETCURRENT_TAIL(cqp->sc_cqp.sq_ring); + for (i = 0; i < pending_work; i++) { + cqp_request = (struct i40iw_cqp_request *)(unsigned long)cqp->scratch_array[wqe_idx]; + if (cqp_request) + i40iw_free_pending_cqp_request(cqp, cqp_request); + wqe_idx = (wqe_idx + 1) % I40IW_RING_GETSIZE(cqp->sc_cqp.sq_ring); + } + + while (!list_empty(&dev->cqp_cmd_head)) { + pcmdinfo = (struct cqp_commands_info *)i40iw_remove_head(&dev->cqp_cmd_head); + cqp_request = container_of(pcmdinfo, struct i40iw_cqp_request, info); + if (cqp_request) + i40iw_free_pending_cqp_request(cqp, cqp_request); + } +} + +/** * i40iw_free_qp - callback after destroy cqp completes * @cqp_request: cqp request for destroy qp * @num: not used @@ -546,8 +598,12 @@ void i40iw_rem_ref(struct ib_qp *ibqp) cqp_info->in.u.qp_destroy.scratch = (uintptr_t)cqp_request; cqp_info->in.u.qp_destroy.remove_hash_idx = true; status = i40iw_handle_cqp_op(iwdev, cqp_request); - if (status) - i40iw_pr_err("CQP-OP Destroy QP fail"); + if (!status) + return; + + i40iw_rem_pdusecount(iwqp->iwpd, iwdev); + i40iw_free_qp_resources(iwdev, iwqp, qp_num); + i40iw_rem_devusecount(iwdev); } /** diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.c b/drivers/infiniband/hw/i40iw/i40iw_verbs.c index 4dbe61ec7a77..02d871db7ca5 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c +++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c @@ -426,9 +426,13 @@ void i40iw_free_qp_resources(struct i40iw_device *iwdev, struct i40iw_qp *iwqp, u32 qp_num) { + struct i40iw_pbl *iwpbl = &iwqp->iwpbl; + i40iw_dealloc_push_page(iwdev, &iwqp->sc_qp); if (qp_num) i40iw_free_resource(iwdev, iwdev->allocated_qps, qp_num); + if (iwpbl->pbl_allocated) + i40iw_free_pble(iwdev->pble_rsrc, &iwpbl->pble_alloc); i40iw_free_dma_mem(iwdev->sc_dev.hw, &iwqp->q2_ctx_mem); i40iw_free_dma_mem(iwdev->sc_dev.hw, &iwqp->kqp.dma_mem); kfree(iwqp->kqp.wrid_mem); @@ -483,7 +487,7 @@ static int i40iw_setup_virt_qp(struct i40iw_device *iwdev, struct i40iw_qp *iwqp, struct i40iw_qp_init_info *init_info) { - struct i40iw_pbl *iwpbl = iwqp->iwpbl; + struct i40iw_pbl *iwpbl = &iwqp->iwpbl; struct i40iw_qp_mr *qpmr = &iwpbl->qp_mr; iwqp->page = qpmr->sq_page; @@ -688,19 +692,22 @@ static struct ib_qp *i40iw_create_qp(struct ib_pd *ibpd, ucontext = to_ucontext(ibpd->uobject->context); if (req.user_wqe_buffers) { + struct i40iw_pbl *iwpbl; + spin_lock_irqsave( &ucontext->qp_reg_mem_list_lock, flags); - iwqp->iwpbl = i40iw_get_pbl( + iwpbl = i40iw_get_pbl( (unsigned long)req.user_wqe_buffers, &ucontext->qp_reg_mem_list); spin_unlock_irqrestore( &ucontext->qp_reg_mem_list_lock, flags); - if (!iwqp->iwpbl) { + if (!iwpbl) { err_code = -ENODATA; i40iw_pr_err("no pbl info\n"); goto error; } + memcpy(&iwqp->iwpbl, iwpbl, sizeof(iwqp->iwpbl)); } } err_code = i40iw_setup_virt_qp(iwdev, iwqp, &init_info); @@ -1161,8 +1168,10 @@ static struct ib_cq *i40iw_create_cq(struct ib_device *ibdev, memset(&req, 0, sizeof(req)); iwcq->user_mode = true; ucontext = to_ucontext(context); - if (ib_copy_from_udata(&req, udata, sizeof(struct i40iw_create_cq_req))) + if (ib_copy_from_udata(&req, udata, sizeof(struct i40iw_create_cq_req))) { + err_code = -EFAULT; goto cq_free_resources; + } spin_lock_irqsave(&ucontext->cq_reg_mem_list_lock, flags); iwpbl = i40iw_get_pbl((unsigned long)req.user_cq_buffer, @@ -2063,7 +2072,7 @@ static int i40iw_dereg_mr(struct ib_mr *ib_mr) ucontext = to_ucontext(ibpd->uobject->context); i40iw_del_memlist(iwmr, ucontext); } - if (iwpbl->pbl_allocated) + if (iwpbl->pbl_allocated && iwmr->type != IW_MEMREG_TYPE_QP) i40iw_free_pble(iwdev->pble_rsrc, palloc); kfree(iwmr); return 0; diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.h b/drivers/infiniband/hw/i40iw/i40iw_verbs.h index 07c3fec77de6..9067443cd311 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_verbs.h +++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.h @@ -170,7 +170,7 @@ struct i40iw_qp { struct i40iw_qp_kmode kqp; struct i40iw_dma_mem host_ctx; struct timer_list terminate_timer; - struct i40iw_pbl *iwpbl; + struct i40iw_pbl iwpbl; struct i40iw_dma_mem q2_ctx_mem; struct i40iw_dma_mem ietf_mem; struct completion sq_drained; diff --git a/drivers/infiniband/hw/mlx4/cm.c b/drivers/infiniband/hw/mlx4/cm.c index 1e6c526450d9..fedaf8260105 100644 --- a/drivers/infiniband/hw/mlx4/cm.c +++ b/drivers/infiniband/hw/mlx4/cm.c @@ -323,6 +323,9 @@ int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id mad->mad_hdr.attr_id == CM_REP_ATTR_ID || mad->mad_hdr.attr_id == CM_SIDR_REQ_ATTR_ID) { sl_cm_id = get_local_comm_id(mad); + id = id_map_get(ibdev, &pv_cm_id, slave_id, sl_cm_id); + if (id) + goto cont; id = id_map_alloc(ibdev, slave_id, sl_cm_id); if (IS_ERR(id)) { mlx4_ib_warn(ibdev, "%s: id{slave: %d, sl_cm_id: 0x%x} Failed to id_map_alloc\n", @@ -343,6 +346,7 @@ int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id return -EINVAL; } +cont: set_local_comm_id(mad, id->pv_cm_id); if (mad->mad_hdr.attr_id == CM_DREQ_ATTR_ID) diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c index 4f5a143fc0a7..ff931c580557 100644 --- a/drivers/infiniband/hw/mlx4/cq.c +++ b/drivers/infiniband/hw/mlx4/cq.c @@ -102,7 +102,7 @@ static int mlx4_ib_alloc_cq_buf(struct mlx4_ib_dev *dev, struct mlx4_ib_cq_buf * int err; err = mlx4_buf_alloc(dev->dev, nent * dev->dev->caps.cqe_size, - PAGE_SIZE * 2, &buf->buf, GFP_KERNEL); + PAGE_SIZE * 2, &buf->buf); if (err) goto out; @@ -113,7 +113,7 @@ static int mlx4_ib_alloc_cq_buf(struct mlx4_ib_dev *dev, struct mlx4_ib_cq_buf * if (err) goto err_buf; - err = mlx4_buf_write_mtt(dev->dev, &buf->mtt, &buf->buf, GFP_KERNEL); + err = mlx4_buf_write_mtt(dev->dev, &buf->mtt, &buf->buf); if (err) goto err_mtt; @@ -219,7 +219,7 @@ struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, uar = &to_mucontext(context)->uar; } else { - err = mlx4_db_alloc(dev->dev, &cq->db, 1, GFP_KERNEL); + err = mlx4_db_alloc(dev->dev, &cq->db, 1); if (err) goto err_cq; diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 75b2f7d4cd95..d1b43cbbfea7 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -1155,7 +1155,7 @@ static void mlx4_ib_disassociate_ucontext(struct ib_ucontext *ibcontext) * call to mlx4_ib_vma_close. */ put_task_struct(owning_process); - msleep(1); + usleep_range(1000, 2000); owning_process = get_pid_task(ibcontext->tgid, PIDTYPE_PID); if (!owning_process || diff --git a/drivers/infiniband/hw/mlx4/mcg.c b/drivers/infiniband/hw/mlx4/mcg.c index 3405e947dc1e..b73f89700ef9 100644 --- a/drivers/infiniband/hw/mlx4/mcg.c +++ b/drivers/infiniband/hw/mlx4/mcg.c @@ -1091,7 +1091,7 @@ static void _mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy if (!count) break; - msleep(1); + usleep_range(1000, 2000); } while (time_after(end, jiffies)); flush_workqueue(ctx->mcg_wq); diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index c2b9cbf4da05..9db82e67e959 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -185,7 +185,6 @@ enum mlx4_ib_qp_flags { MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO, MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP, - MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO, /* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */ MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI, diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index 996e9058e515..75c0e6c5dd56 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -634,8 +634,8 @@ static void mlx4_ib_free_qp_counter(struct mlx4_ib_dev *dev, static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd, struct ib_qp_init_attr *init_attr, - struct ib_udata *udata, int sqpn, struct mlx4_ib_qp **caller_qp, - gfp_t gfp) + struct ib_udata *udata, int sqpn, + struct mlx4_ib_qp **caller_qp) { int qpn; int err; @@ -691,14 +691,14 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd, if (qp_type == MLX4_IB_QPT_SMI || qp_type == MLX4_IB_QPT_GSI || (qp_type & (MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_SMI_OWNER | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER))) { - sqp = kzalloc(sizeof (struct mlx4_ib_sqp), gfp); + sqp = kzalloc(sizeof(struct mlx4_ib_sqp), GFP_KERNEL); if (!sqp) return -ENOMEM; qp = &sqp->qp; qp->pri.vid = 0xFFFF; qp->alt.vid = 0xFFFF; } else { - qp = kzalloc(sizeof (struct mlx4_ib_qp), gfp); + qp = kzalloc(sizeof(struct mlx4_ib_qp), GFP_KERNEL); if (!qp) return -ENOMEM; qp->pri.vid = 0xFFFF; @@ -780,7 +780,7 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd, goto err; if (qp_has_rq(init_attr)) { - err = mlx4_db_alloc(dev->dev, &qp->db, 0, gfp); + err = mlx4_db_alloc(dev->dev, &qp->db, 0); if (err) goto err; @@ -788,7 +788,7 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd, } if (mlx4_buf_alloc(dev->dev, qp->buf_size, qp->buf_size, - &qp->buf, gfp)) { + &qp->buf)) { memcpy(&init_attr->cap, &backup_cap, sizeof(backup_cap)); err = set_kernel_sq_size(dev, &init_attr->cap, qp_type, @@ -797,7 +797,7 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd, goto err_db; if (mlx4_buf_alloc(dev->dev, qp->buf_size, - PAGE_SIZE * 2, &qp->buf, gfp)) { + PAGE_SIZE * 2, &qp->buf)) { err = -ENOMEM; goto err_db; } @@ -808,20 +808,20 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd, if (err) goto err_buf; - err = mlx4_buf_write_mtt(dev->dev, &qp->mtt, &qp->buf, gfp); + err = mlx4_buf_write_mtt(dev->dev, &qp->mtt, &qp->buf); if (err) goto err_mtt; qp->sq.wrid = kmalloc_array(qp->sq.wqe_cnt, sizeof(u64), - gfp | __GFP_NOWARN); + GFP_KERNEL | __GFP_NOWARN); if (!qp->sq.wrid) qp->sq.wrid = __vmalloc(qp->sq.wqe_cnt * sizeof(u64), - gfp, PAGE_KERNEL); + GFP_KERNEL, PAGE_KERNEL); qp->rq.wrid = kmalloc_array(qp->rq.wqe_cnt, sizeof(u64), - gfp | __GFP_NOWARN); + GFP_KERNEL | __GFP_NOWARN); if (!qp->rq.wrid) qp->rq.wrid = __vmalloc(qp->rq.wqe_cnt * sizeof(u64), - gfp, PAGE_KERNEL); + GFP_KERNEL, PAGE_KERNEL); if (!qp->sq.wrid || !qp->rq.wrid) { err = -ENOMEM; goto err_wrid; @@ -859,7 +859,7 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd, if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) qp->flags |= MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK; - err = mlx4_qp_alloc(dev->dev, qpn, &qp->mqp, gfp); + err = mlx4_qp_alloc(dev->dev, qpn, &qp->mqp); if (err) goto err_qpn; @@ -1127,10 +1127,7 @@ static struct ib_qp *_mlx4_ib_create_qp(struct ib_pd *pd, int err; int sup_u_create_flags = MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK; u16 xrcdn = 0; - gfp_t gfp; - gfp = (init_attr->create_flags & MLX4_IB_QP_CREATE_USE_GFP_NOIO) ? - GFP_NOIO : GFP_KERNEL; /* * We only support LSO, vendor flag1, and multicast loopback blocking, * and only for kernel UD QPs. @@ -1140,8 +1137,7 @@ static struct ib_qp *_mlx4_ib_create_qp(struct ib_pd *pd, MLX4_IB_SRIOV_TUNNEL_QP | MLX4_IB_SRIOV_SQP | MLX4_IB_QP_NETIF | - MLX4_IB_QP_CREATE_ROCE_V2_GSI | - MLX4_IB_QP_CREATE_USE_GFP_NOIO)) + MLX4_IB_QP_CREATE_ROCE_V2_GSI)) return ERR_PTR(-EINVAL); if (init_attr->create_flags & IB_QP_CREATE_NETIF_QP) { @@ -1154,7 +1150,6 @@ static struct ib_qp *_mlx4_ib_create_qp(struct ib_pd *pd, return ERR_PTR(-EINVAL); if ((init_attr->create_flags & ~(MLX4_IB_SRIOV_SQP | - MLX4_IB_QP_CREATE_USE_GFP_NOIO | MLX4_IB_QP_CREATE_ROCE_V2_GSI | MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK) && init_attr->qp_type != IB_QPT_UD) || @@ -1179,7 +1174,7 @@ static struct ib_qp *_mlx4_ib_create_qp(struct ib_pd *pd, case IB_QPT_RC: case IB_QPT_UC: case IB_QPT_RAW_PACKET: - qp = kzalloc(sizeof *qp, gfp); + qp = kzalloc(sizeof(*qp), GFP_KERNEL); if (!qp) return ERR_PTR(-ENOMEM); qp->pri.vid = 0xFFFF; @@ -1188,7 +1183,7 @@ static struct ib_qp *_mlx4_ib_create_qp(struct ib_pd *pd, case IB_QPT_UD: { err = create_qp_common(to_mdev(pd->device), pd, init_attr, - udata, 0, &qp, gfp); + udata, 0, &qp); if (err) { kfree(qp); return ERR_PTR(err); @@ -1217,8 +1212,7 @@ static struct ib_qp *_mlx4_ib_create_qp(struct ib_pd *pd, } err = create_qp_common(to_mdev(pd->device), pd, init_attr, udata, - sqpn, - &qp, gfp); + sqpn, &qp); if (err) return ERR_PTR(err); diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c index e32dd58937a8..0facaf5f6d23 100644 --- a/drivers/infiniband/hw/mlx4/srq.c +++ b/drivers/infiniband/hw/mlx4/srq.c @@ -135,14 +135,14 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, if (err) goto err_mtt; } else { - err = mlx4_db_alloc(dev->dev, &srq->db, 0, GFP_KERNEL); + err = mlx4_db_alloc(dev->dev, &srq->db, 0); if (err) goto err_srq; *srq->db.db = 0; - if (mlx4_buf_alloc(dev->dev, buf_size, PAGE_SIZE * 2, &srq->buf, - GFP_KERNEL)) { + if (mlx4_buf_alloc(dev->dev, buf_size, PAGE_SIZE * 2, + &srq->buf)) { err = -ENOMEM; goto err_db; } @@ -167,7 +167,7 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, if (err) goto err_buf; - err = mlx4_buf_write_mtt(dev->dev, &srq->mtt, &srq->buf, GFP_KERNEL); + err = mlx4_buf_write_mtt(dev->dev, &srq->mtt, &srq->buf); if (err) goto err_mtt; diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index 763bb5b36144..2c40a2e989d2 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -582,6 +582,15 @@ static void clean_keys(struct mlx5_ib_dev *dev, int c) } } +static void mlx5_mr_cache_debugfs_cleanup(struct mlx5_ib_dev *dev) +{ + if (!mlx5_debugfs_root) + return; + + debugfs_remove_recursive(dev->cache.root); + dev->cache.root = NULL; +} + static int mlx5_mr_cache_debugfs_init(struct mlx5_ib_dev *dev) { struct mlx5_mr_cache *cache = &dev->cache; @@ -600,38 +609,34 @@ static int mlx5_mr_cache_debugfs_init(struct mlx5_ib_dev *dev) sprintf(ent->name, "%d", ent->order); ent->dir = debugfs_create_dir(ent->name, cache->root); if (!ent->dir) - return -ENOMEM; + goto err; ent->fsize = debugfs_create_file("size", 0600, ent->dir, ent, &size_fops); if (!ent->fsize) - return -ENOMEM; + goto err; ent->flimit = debugfs_create_file("limit", 0600, ent->dir, ent, &limit_fops); if (!ent->flimit) - return -ENOMEM; + goto err; ent->fcur = debugfs_create_u32("cur", 0400, ent->dir, &ent->cur); if (!ent->fcur) - return -ENOMEM; + goto err; ent->fmiss = debugfs_create_u32("miss", 0600, ent->dir, &ent->miss); if (!ent->fmiss) - return -ENOMEM; + goto err; } return 0; -} - -static void mlx5_mr_cache_debugfs_cleanup(struct mlx5_ib_dev *dev) -{ - if (!mlx5_debugfs_root) - return; +err: + mlx5_mr_cache_debugfs_cleanup(dev); - debugfs_remove_recursive(dev->cache.root); + return -ENOMEM; } static void delay_time_func(unsigned long ctx) @@ -692,6 +697,11 @@ int mlx5_mr_cache_init(struct mlx5_ib_dev *dev) if (err) mlx5_ib_warn(dev, "cache debugfs failure\n"); + /* + * We don't want to fail driver if debugfs failed to initialize, + * so we are not forwarding error to the user. + */ + return 0; } @@ -825,7 +835,7 @@ static int mr_umem_get(struct ib_pd *pd, u64 start, u64 length, access_flags, 0); err = PTR_ERR_OR_ZERO(*umem); if (err < 0) { - mlx5_ib_err(dev, "umem get failed (%ld)\n", PTR_ERR(umem)); + mlx5_ib_err(dev, "umem get failed (%d)\n", err); return err; } @@ -1779,7 +1789,7 @@ mlx5_ib_sg_to_klms(struct mlx5_ib_mr *mr, mr->ndescs = sg_nents; for_each_sg(sgl, sg, sg_nents, i) { - if (unlikely(i > mr->max_descs)) + if (unlikely(i >= mr->max_descs)) break; klms[i].va = cpu_to_be64(sg_dma_address(sg) + sg_offset); klms[i].bcount = cpu_to_be32(sg_dma_len(sg) - sg_offset); diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index 8f9d8b4ad583..b0adf65e4bdb 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -551,7 +551,7 @@ struct nes_adapter *nes_init_adapter(struct nes_device *nesdev, u8 hw_rev) { if ((0x0F000100 == (pcs_control_status0 & 0x0F000100)) || (0x0F000100 == (pcs_control_status1 & 0x0F000100))) int_cnt++; - msleep(1); + usleep_range(1000, 2000); } if (int_cnt > 1) { spin_lock_irqsave(&nesadapter->phy_lock, flags); @@ -592,7 +592,7 @@ struct nes_adapter *nes_init_adapter(struct nes_device *nesdev, u8 hw_rev) { break; } } - msleep(1); + usleep_range(1000, 2000); } } } diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index 2f30bda8457a..27d5e8d9f08d 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -744,7 +744,8 @@ err: if (is_uctx_pd) { ocrdma_release_ucontext_pd(uctx); } else { - status = _ocrdma_dealloc_pd(dev, pd); + if (_ocrdma_dealloc_pd(dev, pd)) + pr_err("%s: _ocrdma_dealloc_pd() failed\n", __func__); } exit: return ERR_PTR(status); @@ -1901,6 +1902,7 @@ struct ib_srq *ocrdma_create_srq(struct ib_pd *ibpd, goto err; if (udata == NULL) { + status = -ENOMEM; srq->rqe_wr_id_tbl = kzalloc(sizeof(u64) * srq->rq.max_cnt, GFP_KERNEL); if (srq->rqe_wr_id_tbl == NULL) diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c index 548e4d1e998f..2ae71b8f1ba8 100644 --- a/drivers/infiniband/hw/qedr/verbs.c +++ b/drivers/infiniband/hw/qedr/verbs.c @@ -53,6 +53,14 @@ #define DB_ADDR_SHIFT(addr) ((addr) << DB_PWM_ADDR_OFFSET_SHIFT) +static inline int qedr_ib_copy_to_udata(struct ib_udata *udata, void *src, + size_t len) +{ + size_t min_len = min_t(size_t, len, udata->outlen); + + return ib_copy_to_udata(udata, src, min_len); +} + int qedr_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey) { if (index > QEDR_ROCE_PKEY_TABLE_LEN) @@ -378,7 +386,7 @@ struct ib_ucontext *qedr_alloc_ucontext(struct ib_device *ibdev, uresp.sges_per_srq_wr = dev->attr.max_srq_sge; uresp.max_cqes = QEDR_MAX_CQES; - rc = ib_copy_to_udata(udata, &uresp, sizeof(uresp)); + rc = qedr_ib_copy_to_udata(udata, &uresp, sizeof(uresp)); if (rc) goto err; @@ -499,7 +507,7 @@ struct ib_pd *qedr_alloc_pd(struct ib_device *ibdev, uresp.pd_id = pd_id; - rc = ib_copy_to_udata(udata, &uresp, sizeof(uresp)); + rc = qedr_ib_copy_to_udata(udata, &uresp, sizeof(uresp)); if (rc) { DP_ERR(dev, "copy error pd_id=0x%x.\n", pd_id); dev->ops->rdma_dealloc_pd(dev->rdma_ctx, pd_id); @@ -729,7 +737,7 @@ static int qedr_copy_cq_uresp(struct qedr_dev *dev, uresp.db_offset = DB_ADDR_SHIFT(DQ_PWM_OFFSET_UCM_RDMA_CQ_CONS_32BIT); uresp.icid = cq->icid; - rc = ib_copy_to_udata(udata, &uresp, sizeof(uresp)); + rc = qedr_ib_copy_to_udata(udata, &uresp, sizeof(uresp)); if (rc) DP_ERR(dev, "copy error cqid=0x%x.\n", cq->icid); @@ -1238,7 +1246,7 @@ static int qedr_copy_qp_uresp(struct qedr_dev *dev, uresp.atomic_supported = dev->atomic_cap != IB_ATOMIC_NONE; uresp.qp_id = qp->qp_id; - rc = ib_copy_to_udata(udata, &uresp, sizeof(uresp)); + rc = qedr_ib_copy_to_udata(udata, &uresp, sizeof(uresp)); if (rc) DP_ERR(dev, "create qp: failed a copy to user space with qp icid=0x%x.\n", diff --git a/drivers/infiniband/hw/qib/qib_qp.c b/drivers/infiniband/hw/qib/qib_qp.c index 5984981e7dd4..a343e3b5d4cb 100644 --- a/drivers/infiniband/hw/qib/qib_qp.c +++ b/drivers/infiniband/hw/qib/qib_qp.c @@ -104,10 +104,9 @@ const struct rvt_operation_params qib_post_parms[RVT_OPERATION_MAX] = { }; -static void get_map_page(struct rvt_qpn_table *qpt, struct rvt_qpn_map *map, - gfp_t gfp) +static void get_map_page(struct rvt_qpn_table *qpt, struct rvt_qpn_map *map) { - unsigned long page = get_zeroed_page(gfp); + unsigned long page = get_zeroed_page(GFP_KERNEL); /* * Free the page if someone raced with us installing it. @@ -126,7 +125,7 @@ static void get_map_page(struct rvt_qpn_table *qpt, struct rvt_qpn_map *map, * zero/one for QP type IB_QPT_SMI/IB_QPT_GSI. */ int qib_alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt, - enum ib_qp_type type, u8 port, gfp_t gfp) + enum ib_qp_type type, u8 port) { u32 i, offset, max_scan, qpn; struct rvt_qpn_map *map; @@ -160,7 +159,7 @@ int qib_alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt, max_scan = qpt->nmaps - !offset; for (i = 0;;) { if (unlikely(!map->page)) { - get_map_page(qpt, map, gfp); + get_map_page(qpt, map); if (unlikely(!map->page)) break; } @@ -317,16 +316,16 @@ u32 qib_mtu_from_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, u32 pmtu) return ib_mtu_enum_to_int(pmtu); } -void *qib_qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp, gfp_t gfp) +void *qib_qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp) { struct qib_qp_priv *priv; - priv = kzalloc(sizeof(*priv), gfp); + priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) return ERR_PTR(-ENOMEM); priv->owner = qp; - priv->s_hdr = kzalloc(sizeof(*priv->s_hdr), gfp); + priv->s_hdr = kzalloc(sizeof(*priv->s_hdr), GFP_KERNEL); if (!priv->s_hdr) { kfree(priv); return ERR_PTR(-ENOMEM); diff --git a/drivers/infiniband/hw/qib/qib_verbs.h b/drivers/infiniband/hw/qib/qib_verbs.h index da0db5485ddc..a52fc67b40d7 100644 --- a/drivers/infiniband/hw/qib/qib_verbs.h +++ b/drivers/infiniband/hw/qib/qib_verbs.h @@ -274,11 +274,11 @@ int qib_get_counters(struct qib_pportdata *ppd, * Functions provided by qib driver for rdmavt to use */ unsigned qib_free_all_qps(struct rvt_dev_info *rdi); -void *qib_qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp, gfp_t gfp); +void *qib_qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp); void qib_qp_priv_free(struct rvt_dev_info *rdi, struct rvt_qp *qp); void qib_notify_qp_reset(struct rvt_qp *qp); int qib_alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt, - enum ib_qp_type type, u8 port, gfp_t gfp); + enum ib_qp_type type, u8 port); void qib_restart_rc(struct rvt_qp *qp, u32 psn, int wait); #ifdef CONFIG_DEBUG_FS diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c index 727e81cc2c8f..8876ee7bc326 100644 --- a/drivers/infiniband/sw/rdmavt/qp.c +++ b/drivers/infiniband/sw/rdmavt/qp.c @@ -118,10 +118,9 @@ const int ib_rvt_state_ops[IB_QPS_ERR + 1] = { EXPORT_SYMBOL(ib_rvt_state_ops); static void get_map_page(struct rvt_qpn_table *qpt, - struct rvt_qpn_map *map, - gfp_t gfp) + struct rvt_qpn_map *map) { - unsigned long page = get_zeroed_page(gfp); + unsigned long page = get_zeroed_page(GFP_KERNEL); /* * Free the page if someone raced with us installing it. @@ -173,7 +172,7 @@ static int init_qpn_table(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt) rdi->dparms.qpn_res_start, rdi->dparms.qpn_res_end); for (i = rdi->dparms.qpn_res_start; i <= rdi->dparms.qpn_res_end; i++) { if (!map->page) { - get_map_page(qpt, map, GFP_KERNEL); + get_map_page(qpt, map); if (!map->page) { ret = -ENOMEM; break; @@ -342,14 +341,14 @@ static inline unsigned mk_qpn(struct rvt_qpn_table *qpt, * Return: The queue pair number */ static int alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt, - enum ib_qp_type type, u8 port_num, gfp_t gfp) + enum ib_qp_type type, u8 port_num) { u32 i, offset, max_scan, qpn; struct rvt_qpn_map *map; u32 ret; if (rdi->driver_f.alloc_qpn) - return rdi->driver_f.alloc_qpn(rdi, qpt, type, port_num, gfp); + return rdi->driver_f.alloc_qpn(rdi, qpt, type, port_num); if (type == IB_QPT_SMI || type == IB_QPT_GSI) { unsigned n; @@ -374,7 +373,7 @@ static int alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt, max_scan = qpt->nmaps - !offset; for (i = 0;;) { if (unlikely(!map->page)) { - get_map_page(qpt, map, gfp); + get_map_page(qpt, map); if (unlikely(!map->page)) break; } @@ -672,7 +671,6 @@ struct ib_qp *rvt_create_qp(struct ib_pd *ibpd, struct ib_qp *ret = ERR_PTR(-ENOMEM); struct rvt_dev_info *rdi = ib_to_rvt(ibpd->device); void *priv = NULL; - gfp_t gfp; size_t sqsize; if (!rdi) @@ -680,18 +678,9 @@ struct ib_qp *rvt_create_qp(struct ib_pd *ibpd, if (init_attr->cap.max_send_sge > rdi->dparms.props.max_sge || init_attr->cap.max_send_wr > rdi->dparms.props.max_qp_wr || - init_attr->create_flags & ~(IB_QP_CREATE_USE_GFP_NOIO)) + init_attr->create_flags) return ERR_PTR(-EINVAL); - /* GFP_NOIO is applicable to RC QP's only */ - - if (init_attr->create_flags & IB_QP_CREATE_USE_GFP_NOIO && - init_attr->qp_type != IB_QPT_RC) - return ERR_PTR(-EINVAL); - - gfp = init_attr->create_flags & IB_QP_CREATE_USE_GFP_NOIO ? - GFP_NOIO : GFP_KERNEL; - /* Check receive queue parameters if no SRQ is specified. */ if (!init_attr->srq) { if (init_attr->cap.max_recv_sge > rdi->dparms.props.max_sge || @@ -719,14 +708,7 @@ struct ib_qp *rvt_create_qp(struct ib_pd *ibpd, sz = sizeof(struct rvt_sge) * init_attr->cap.max_send_sge + sizeof(struct rvt_swqe); - if (gfp == GFP_NOIO) - swq = __vmalloc( - sqsize * sz, - gfp | __GFP_ZERO, PAGE_KERNEL); - else - swq = vzalloc_node( - sqsize * sz, - rdi->dparms.node); + swq = vzalloc_node(sqsize * sz, rdi->dparms.node); if (!swq) return ERR_PTR(-ENOMEM); @@ -741,7 +723,8 @@ struct ib_qp *rvt_create_qp(struct ib_pd *ibpd, } else if (init_attr->cap.max_recv_sge > 1) sg_list_sz = sizeof(*qp->r_sg_list) * (init_attr->cap.max_recv_sge - 1); - qp = kzalloc_node(sz + sg_list_sz, gfp, rdi->dparms.node); + qp = kzalloc_node(sz + sg_list_sz, GFP_KERNEL, + rdi->dparms.node); if (!qp) goto bail_swq; @@ -751,7 +734,7 @@ struct ib_qp *rvt_create_qp(struct ib_pd *ibpd, kzalloc_node( sizeof(*qp->s_ack_queue) * rvt_max_atomic(rdi), - gfp, + GFP_KERNEL, rdi->dparms.node); if (!qp->s_ack_queue) goto bail_qp; @@ -766,7 +749,7 @@ struct ib_qp *rvt_create_qp(struct ib_pd *ibpd, * Driver needs to set up it's private QP structure and do any * initialization that is needed. */ - priv = rdi->driver_f.qp_priv_alloc(rdi, qp, gfp); + priv = rdi->driver_f.qp_priv_alloc(rdi, qp); if (IS_ERR(priv)) { ret = priv; goto bail_qp; @@ -786,11 +769,6 @@ struct ib_qp *rvt_create_qp(struct ib_pd *ibpd, qp->r_rq.wq = vmalloc_user( sizeof(struct rvt_rwq) + qp->r_rq.size * sz); - else if (gfp == GFP_NOIO) - qp->r_rq.wq = __vmalloc( - sizeof(struct rvt_rwq) + - qp->r_rq.size * sz, - gfp | __GFP_ZERO, PAGE_KERNEL); else qp->r_rq.wq = vzalloc_node( sizeof(struct rvt_rwq) + @@ -824,7 +802,7 @@ struct ib_qp *rvt_create_qp(struct ib_pd *ibpd, err = alloc_qpn(rdi, &rdi->qp_dev->qpn_table, init_attr->qp_type, - init_attr->port_num, gfp); + init_attr->port_num); if (err < 0) { ret = ERR_PTR(err); goto bail_rq_wq; @@ -1280,9 +1258,7 @@ int rvt_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, if (attr_mask & IB_QP_TIMEOUT) { qp->timeout = attr->timeout; - qp->timeout_jiffies = - usecs_to_jiffies((4096UL * (1UL << qp->timeout)) / - 1000UL); + qp->timeout_jiffies = rvt_timeout_to_jiffies(qp->timeout); } if (attr_mask & IB_QP_QKEY) diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c index c3a140ed4df2..08f3f90d2912 100644 --- a/drivers/infiniband/sw/rxe/rxe_net.c +++ b/drivers/infiniband/sw/rxe/rxe_net.c @@ -441,6 +441,8 @@ static void rxe_skb_tx_dtor(struct sk_buff *skb) if (unlikely(qp->need_req_skb && skb_out < RXE_INFLIGHT_SKBS_PER_QP_LOW)) rxe_run_task(&qp->req.task, 1); + + rxe_drop_ref(qp); } int rxe_send(struct rxe_dev *rxe, struct rxe_pkt_info *pkt, struct sk_buff *skb) @@ -473,6 +475,7 @@ int rxe_send(struct rxe_dev *rxe, struct rxe_pkt_info *pkt, struct sk_buff *skb) return -EAGAIN; } + rxe_add_ref(pkt->qp); atomic_inc(&pkt->qp->skb_out); kfree_skb(skb); diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c index be944d5aa9af..a958ee918a49 100644 --- a/drivers/infiniband/sw/rxe/rxe_resp.c +++ b/drivers/infiniband/sw/rxe/rxe_resp.c @@ -1219,6 +1219,9 @@ void rxe_drain_req_pkts(struct rxe_qp *qp, bool notify) kfree_skb(skb); } + if (notify) + return; + while (!qp->srq && qp->rq.queue && queue_head(qp->rq.queue)) advance_consumer(qp->rq.queue); } diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c index 073e66783f1d..af90a7d42b96 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.c +++ b/drivers/infiniband/sw/rxe/rxe_verbs.c @@ -914,6 +914,9 @@ static int rxe_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, spin_unlock_irqrestore(&rq->producer_lock, flags); + if (qp->resp.state == QP_STATE_ERROR) + rxe_run_task(&qp->resp.task, 1); + err1: return err; } @@ -1240,6 +1243,8 @@ int rxe_register_device(struct rxe_dev *rxe) addrconf_addr_eui48((unsigned char *)&dev->node_guid, rxe->ndev->dev_addr); dev->dev.dma_ops = &dma_virt_ops; + dma_coerce_mask_and_coherent(&dev->dev, + dma_get_required_mask(dev->dev.parent)); dev->uverbs_abi_ver = RXE_UVERBS_ABI_VERSION; dev->uverbs_cmd_mask = BIT_ULL(IB_USER_VERBS_CMD_GET_CONTEXT) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 7cbcfdac6529..f87d104837dc 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -39,6 +39,7 @@ #include <linux/vmalloc.h> #include <linux/moduleparam.h> #include <linux/sched/signal.h> +#include <linux/sched/mm.h> #include "ipoib.h" @@ -954,7 +955,7 @@ void ipoib_cm_dev_stop(struct net_device *dev) break; } spin_unlock_irq(&priv->lock); - msleep(1); + usleep_range(1000, 2000); ipoib_drain_cq(dev); spin_lock_irq(&priv->lock); } @@ -1047,9 +1048,8 @@ static struct ib_qp *ipoib_cm_create_tx_qp(struct net_device *dev, struct ipoib_ .sq_sig_type = IB_SIGNAL_ALL_WR, .qp_type = IB_QPT_RC, .qp_context = tx, - .create_flags = IB_QP_CREATE_USE_GFP_NOIO + .create_flags = 0 }; - struct ib_qp *tx_qp; if (dev->features & NETIF_F_SG) @@ -1057,10 +1057,6 @@ static struct ib_qp *ipoib_cm_create_tx_qp(struct net_device *dev, struct ipoib_ min_t(u32, priv->ca->attrs.max_sge, MAX_SKB_FRAGS + 1); tx_qp = ib_create_qp(priv->pd, &attr); - if (PTR_ERR(tx_qp) == -EINVAL) { - attr.create_flags &= ~IB_QP_CREATE_USE_GFP_NOIO; - tx_qp = ib_create_qp(priv->pd, &attr); - } tx->max_send_sge = attr.cap.max_send_sge; return tx_qp; } @@ -1131,10 +1127,11 @@ static int ipoib_cm_tx_init(struct ipoib_cm_tx *p, u32 qpn, struct sa_path_rec *pathrec) { struct ipoib_dev_priv *priv = ipoib_priv(p->dev); + unsigned int noio_flag; int ret; - p->tx_ring = __vmalloc(ipoib_sendq_size * sizeof *p->tx_ring, - GFP_NOIO, PAGE_KERNEL); + noio_flag = memalloc_noio_save(); + p->tx_ring = vzalloc(ipoib_sendq_size * sizeof(*p->tx_ring)); if (!p->tx_ring) { ret = -ENOMEM; goto err_tx; @@ -1142,9 +1139,10 @@ static int ipoib_cm_tx_init(struct ipoib_cm_tx *p, u32 qpn, memset(p->tx_ring, 0, ipoib_sendq_size * sizeof *p->tx_ring); p->qp = ipoib_cm_create_tx_qp(p->dev, p); + memalloc_noio_restore(noio_flag); if (IS_ERR(p->qp)) { ret = PTR_ERR(p->qp); - ipoib_warn(priv, "failed to allocate tx qp: %d\n", ret); + ipoib_warn(priv, "failed to create tx qp: %d\n", ret); goto err_qp; } @@ -1206,7 +1204,7 @@ static void ipoib_cm_tx_destroy(struct ipoib_cm_tx *p) goto timeout; } - msleep(1); + usleep_range(1000, 2000); } } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index efe7402f4885..57a9655e844d 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -770,7 +770,7 @@ int ipoib_ib_dev_stop_default(struct net_device *dev) ipoib_drain_cq(dev); - msleep(1); + usleep_range(1000, 2000); } ipoib_dbg(priv, "All sends and receives done.\n"); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 6e86eeee370e..4ce315c92b48 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -233,6 +233,7 @@ static netdev_features_t ipoib_fix_features(struct net_device *dev, netdev_featu static int ipoib_change_mtu(struct net_device *dev, int new_mtu) { struct ipoib_dev_priv *priv = ipoib_priv(dev); + int ret = 0; /* dev->mtu > 2K ==> connected mode */ if (ipoib_cm_admin_enabled(dev)) { @@ -256,9 +257,34 @@ static int ipoib_change_mtu(struct net_device *dev, int new_mtu) ipoib_dbg(priv, "MTU must be smaller than the underlying " "link layer MTU - 4 (%u)\n", priv->mcast_mtu); - dev->mtu = min(priv->mcast_mtu, priv->admin_mtu); + new_mtu = min(priv->mcast_mtu, priv->admin_mtu); - return 0; + if (priv->rn_ops->ndo_change_mtu) { + bool carrier_status = netif_carrier_ok(dev); + + netif_carrier_off(dev); + + /* notify lower level on the real mtu */ + ret = priv->rn_ops->ndo_change_mtu(dev, new_mtu); + + if (carrier_status) + netif_carrier_on(dev); + } else { + dev->mtu = new_mtu; + } + + return ret; +} + +static void ipoib_get_stats(struct net_device *dev, + struct rtnl_link_stats64 *stats) +{ + struct ipoib_dev_priv *priv = ipoib_priv(dev); + + if (priv->rn_ops->ndo_get_stats64) + priv->rn_ops->ndo_get_stats64(dev, stats); + else + netdev_stats_to_stats64(stats, &dev->stats); } /* Called with an RCU read lock taken */ @@ -1808,6 +1834,7 @@ static const struct net_device_ops ipoib_netdev_ops_pf = { .ndo_get_vf_stats = ipoib_get_vf_stats, .ndo_set_vf_guid = ipoib_set_vf_guid, .ndo_set_mac_address = ipoib_set_mac, + .ndo_get_stats64 = ipoib_get_stats, }; static const struct net_device_ops ipoib_netdev_ops_vf = { @@ -2212,6 +2239,7 @@ static struct net_device *ipoib_add_port(const char *format, goto register_failed; } + result = -ENOMEM; if (ipoib_cm_add_mode_attr(priv->dev)) goto sysfs_failed; if (ipoib_add_pkey_attr(priv->dev)) diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 5a887efb4bdf..37b33d708c2d 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -83,6 +83,7 @@ static struct scsi_host_template iscsi_iser_sht; static struct iscsi_transport iscsi_iser_transport; static struct scsi_transport_template *iscsi_iser_scsi_transport; static struct workqueue_struct *release_wq; +static DEFINE_MUTEX(unbind_iser_conn_mutex); struct iser_global ig; int iser_debug_level = 0; @@ -550,12 +551,14 @@ iscsi_iser_conn_stop(struct iscsi_cls_conn *cls_conn, int flag) */ if (iser_conn) { mutex_lock(&iser_conn->state_mutex); + mutex_lock(&unbind_iser_conn_mutex); iser_conn_terminate(iser_conn); iscsi_conn_stop(cls_conn, flag); /* unbind */ iser_conn->iscsi_conn = NULL; conn->dd_data = NULL; + mutex_unlock(&unbind_iser_conn_mutex); complete(&iser_conn->stop_completion); mutex_unlock(&iser_conn->state_mutex); @@ -977,13 +980,21 @@ static int iscsi_iser_slave_alloc(struct scsi_device *sdev) struct iser_conn *iser_conn; struct ib_device *ib_dev; + mutex_lock(&unbind_iser_conn_mutex); + session = starget_to_session(scsi_target(sdev))->dd_data; iser_conn = session->leadconn->dd_data; + if (!iser_conn) { + mutex_unlock(&unbind_iser_conn_mutex); + return -ENOTCONN; + } ib_dev = iser_conn->ib_conn.device->ib_device; if (!(ib_dev->attrs.device_cap_flags & IB_DEVICE_SG_GAPS_REG)) blk_queue_virt_boundary(sdev->request_queue, ~MASK_4K); + mutex_unlock(&unbind_iser_conn_mutex); + return 0; } diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c index 12ed62ce9ff7..2a07692007bd 100644 --- a/drivers/infiniband/ulp/iser/iser_initiator.c +++ b/drivers/infiniband/ulp/iser/iser_initiator.c @@ -137,8 +137,10 @@ iser_prepare_write_cmd(struct iscsi_task *task, if (unsol_sz < edtl) { hdr->flags |= ISER_WSV; - hdr->write_stag = cpu_to_be32(mem_reg->rkey); - hdr->write_va = cpu_to_be64(mem_reg->sge.addr + unsol_sz); + if (buf_out->data_len > imm_sz) { + hdr->write_stag = cpu_to_be32(mem_reg->rkey); + hdr->write_va = cpu_to_be64(mem_reg->sge.addr + unsol_sz); + } iser_dbg("Cmd itt:%d, WRITE tags, RKEY:%#.4X " "VA:%#llX + unsol:%d\n", diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index c538a38c91ce..26a004e97ae0 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -708,8 +708,14 @@ iser_calc_scsi_params(struct iser_conn *iser_conn, unsigned short sg_tablesize, sup_sg_tablesize; sg_tablesize = DIV_ROUND_UP(max_sectors * 512, SIZE_4K); - sup_sg_tablesize = min_t(unsigned, ISCSI_ISER_MAX_SG_TABLESIZE, - device->ib_device->attrs.max_fast_reg_page_list_len); + if (device->ib_device->attrs.device_cap_flags & + IB_DEVICE_MEM_MGT_EXTENSIONS) + sup_sg_tablesize = + min_t( + uint, ISCSI_ISER_MAX_SG_TABLESIZE, + device->ib_device->attrs.max_fast_reg_page_list_len); + else + sup_sg_tablesize = ISCSI_ISER_MAX_SG_TABLESIZE; iser_conn->scsi_sg_tablesize = min(sg_tablesize, sup_sg_tablesize); } diff --git a/drivers/irqchip/irq-digicolor.c b/drivers/irqchip/irq-digicolor.c index dad85e74c37c..3aae015469a5 100644 --- a/drivers/irqchip/irq-digicolor.c +++ b/drivers/irqchip/irq-digicolor.c @@ -71,7 +71,7 @@ static void __init digicolor_set_gc(void __iomem *reg_base, unsigned irq_base, static int __init digicolor_of_init(struct device_node *node, struct device_node *parent) { - static void __iomem *reg_base; + void __iomem *reg_base; unsigned int clr = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN; struct regmap *ucregs; int ret; diff --git a/drivers/irqchip/irq-gic-realview.c b/drivers/irqchip/irq-gic-realview.c index 54c296401525..18d58d2b4ffe 100644 --- a/drivers/irqchip/irq-gic-realview.c +++ b/drivers/irqchip/irq-gic-realview.c @@ -43,7 +43,7 @@ static const struct of_device_id syscon_pldset_of_match[] = { static int __init realview_gic_of_init(struct device_node *node, struct device_node *parent) { - static struct regmap *map; + struct regmap *map; struct device_node *np; const struct of_device_id *gic_id; u32 pld1_ctrl; diff --git a/drivers/irqchip/irq-mips-cpu.c b/drivers/irqchip/irq-mips-cpu.c index 0a8ed1c05518..14461cbfab2f 100644 --- a/drivers/irqchip/irq-mips-cpu.c +++ b/drivers/irqchip/irq-mips-cpu.c @@ -154,7 +154,7 @@ asmlinkage void __weak plat_irq_dispatch(void) static int mips_cpu_intc_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw) { - static struct irq_chip *chip; + struct irq_chip *chip; if (hw < 2 && cpu_has_mipsmt) { /* Software interrupts are used for MT/CMT IPI */ diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index 832ebf4062f7..6ab1d3afec02 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -950,7 +950,6 @@ static void __init __gic_init(unsigned long gic_base_addr, &gic_irq_domain_ops, NULL); if (!gic_irq_domain) panic("Failed to add GIC IRQ domain"); - gic_irq_domain->name = "mips-gic-irq"; gic_ipi_domain = irq_domain_add_hierarchy(gic_irq_domain, IRQ_DOMAIN_FLAG_IPI_PER_CPU, @@ -959,7 +958,6 @@ static void __init __gic_init(unsigned long gic_base_addr, if (!gic_ipi_domain) panic("Failed to add GIC IPI domain"); - gic_ipi_domain->name = "mips-gic-ipi"; irq_domain_update_bus_token(gic_ipi_domain, DOMAIN_BUS_IPI); if (node && diff --git a/drivers/isdn/divert/isdn_divert.c b/drivers/isdn/divert/isdn_divert.c index 060d357f107f..6f423bc49d0d 100644 --- a/drivers/isdn/divert/isdn_divert.c +++ b/drivers/isdn/divert/isdn_divert.c @@ -485,18 +485,19 @@ static int isdn_divert_icall(isdn_ctrl *ic) cs->deflect_dest[0] = '\0'; retval = 4; /* only proceed */ } - sprintf(cs->info, "%d 0x%lx %s %s %s %s 0x%x 0x%x %d %d %s\n", - cs->akt_state, - cs->divert_id, - divert_if.drv_to_name(cs->ics.driver), - (ic->command == ISDN_STAT_ICALLW) ? "1" : "0", - cs->ics.parm.setup.phone, - cs->ics.parm.setup.eazmsn, - cs->ics.parm.setup.si1, - cs->ics.parm.setup.si2, - cs->ics.parm.setup.screen, - dv->rule.waittime, - cs->deflect_dest); + snprintf(cs->info, sizeof(cs->info), + "%d 0x%lx %s %s %s %s 0x%x 0x%x %d %d %s\n", + cs->akt_state, + cs->divert_id, + divert_if.drv_to_name(cs->ics.driver), + (ic->command == ISDN_STAT_ICALLW) ? "1" : "0", + cs->ics.parm.setup.phone, + cs->ics.parm.setup.eazmsn, + cs->ics.parm.setup.si1, + cs->ics.parm.setup.si2, + cs->ics.parm.setup.screen, + dv->rule.waittime, + cs->deflect_dest); if ((dv->rule.action == DEFLECT_REPORT) || (dv->rule.action == DEFLECT_REJECT)) { put_info_buffer(cs->info); diff --git a/drivers/isdn/hardware/avm/c4.c b/drivers/isdn/hardware/avm/c4.c index 40c7e2cf423b..034cabac699d 100644 --- a/drivers/isdn/hardware/avm/c4.c +++ b/drivers/isdn/hardware/avm/c4.c @@ -42,7 +42,7 @@ static char *revision = "$Revision: 1.1.2.2 $"; static bool suppress_pollack; -static struct pci_device_id c4_pci_tbl[] = { +static const struct pci_device_id c4_pci_tbl[] = { { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21285, PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_C4, 0, 0, (unsigned long)4 }, { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21285, PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_C2, 0, 0, (unsigned long)2 }, { } /* Terminating entry */ diff --git a/drivers/isdn/hardware/eicon/divasmain.c b/drivers/isdn/hardware/eicon/divasmain.c index 8b7ad4f1ab01..b2023e08dcd2 100644 --- a/drivers/isdn/hardware/eicon/divasmain.c +++ b/drivers/isdn/hardware/eicon/divasmain.c @@ -110,7 +110,7 @@ typedef struct _diva_os_thread_dpc { /* This table should be sorted by PCI device ID */ -static struct pci_device_id divas_pci_tbl[] = { +static const struct pci_device_id divas_pci_tbl[] = { /* Diva Server BRI-2M PCI 0xE010 */ { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRA), CARDTYPE_MAESTRA_PCI }, diff --git a/drivers/isdn/hardware/mISDN/avmfritz.c b/drivers/isdn/hardware/mISDN/avmfritz.c index e3fa1cd64470..dce6632daae1 100644 --- a/drivers/isdn/hardware/mISDN/avmfritz.c +++ b/drivers/isdn/hardware/mISDN/avmfritz.c @@ -1142,7 +1142,7 @@ fritz_remove_pci(struct pci_dev *pdev) pr_info("%s: drvdata already removed\n", __func__); } -static struct pci_device_id fcpci_ids[] = { +static const struct pci_device_id fcpci_ids[] = { { PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_A1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (unsigned long) "Fritz!Card PCI"}, { PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_A1_V2, PCI_ANY_ID, PCI_ANY_ID, diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c index aea0c9616ea5..3cf07b8ced1c 100644 --- a/drivers/isdn/hardware/mISDN/hfcmulti.c +++ b/drivers/isdn/hardware/mISDN/hfcmulti.c @@ -5348,7 +5348,7 @@ static const struct hm_map hfcm_map[] = { #undef H #define H(x) ((unsigned long)&hfcm_map[x]) -static struct pci_device_id hfmultipci_ids[] = { +static const struct pci_device_id hfmultipci_ids[] = { /* Cards with HFC-4S Chip */ { PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_HFC4S, PCI_VENDOR_ID_CCD, diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c index 5dc246d71c16..d2e401a8090e 100644 --- a/drivers/isdn/hardware/mISDN/hfcpci.c +++ b/drivers/isdn/hardware/mISDN/hfcpci.c @@ -2161,7 +2161,7 @@ static const struct _hfc_map hfc_map[] = {}, }; -static struct pci_device_id hfc_ids[] = +static const struct pci_device_id hfc_ids[] = { { PCI_VDEVICE(CCD, PCI_DEVICE_ID_CCD_2BD0), (unsigned long) &hfc_map[0] }, diff --git a/drivers/isdn/hardware/mISDN/netjet.c b/drivers/isdn/hardware/mISDN/netjet.c index afde4edef9ae..6a6d848bd18e 100644 --- a/drivers/isdn/hardware/mISDN/netjet.c +++ b/drivers/isdn/hardware/mISDN/netjet.c @@ -1137,7 +1137,7 @@ static void nj_remove(struct pci_dev *pdev) /* We cannot select cards with PCI_SUB... IDs, since here are cards with * SUB IDs set to PCI_ANY_ID, so we need to match all and reject * known other cards which not work with this driver - see probe function */ -static struct pci_device_id nj_pci_ids[] = { +static const struct pci_device_id nj_pci_ids[] = { { PCI_VENDOR_ID_TIGERJET, PCI_DEVICE_ID_TIGERJET_300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { } diff --git a/drivers/isdn/hardware/mISDN/w6692.c b/drivers/isdn/hardware/mISDN/w6692.c index 3052c836b89f..d80072fef434 100644 --- a/drivers/isdn/hardware/mISDN/w6692.c +++ b/drivers/isdn/hardware/mISDN/w6692.c @@ -1398,7 +1398,7 @@ w6692_remove_pci(struct pci_dev *pdev) pr_notice("%s: drvdata already removed\n", __func__); } -static struct pci_device_id w6692_ids[] = { +static const struct pci_device_id w6692_ids[] = { { PCI_VENDOR_ID_DYNALINK, PCI_DEVICE_ID_DYNALINK_IS64PH, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (ulong)&w6692_map[0]}, { PCI_VENDOR_ID_WINBOND2, PCI_DEVICE_ID_WINBOND2_6692, diff --git a/drivers/isdn/hisax/config.c b/drivers/isdn/hisax/config.c index c7d68675b028..7108bdb8742e 100644 --- a/drivers/isdn/hisax/config.c +++ b/drivers/isdn/hisax/config.c @@ -1909,7 +1909,7 @@ static void EChannel_proc_rcv(struct hisax_d_if *d_if) #ifdef CONFIG_PCI #include <linux/pci.h> -static struct pci_device_id hisax_pci_tbl[] __used = { +static const struct pci_device_id hisax_pci_tbl[] __used = { #ifdef CONFIG_HISAX_FRITZPCI {PCI_VDEVICE(AVM, PCI_DEVICE_ID_AVM_A1) }, #endif diff --git a/drivers/isdn/hisax/hfc4s8s_l1.c b/drivers/isdn/hisax/hfc4s8s_l1.c index 90f051ce0259..9090cc1e1f29 100644 --- a/drivers/isdn/hisax/hfc4s8s_l1.c +++ b/drivers/isdn/hisax/hfc4s8s_l1.c @@ -86,7 +86,7 @@ typedef struct { char *device_name; } hfc4s8s_param; -static struct pci_device_id hfc4s8s_ids[] = { +static const struct pci_device_id hfc4s8s_ids[] = { {.vendor = PCI_VENDOR_ID_CCD, .device = PCI_DEVICE_ID_4S, .subvendor = 0x1397, diff --git a/drivers/isdn/hisax/hisax_fcpcipnp.c b/drivers/isdn/hisax/hisax_fcpcipnp.c index 5a9f39ed1d5d..e4f7573ba9bf 100644 --- a/drivers/isdn/hisax/hisax_fcpcipnp.c +++ b/drivers/isdn/hisax/hisax_fcpcipnp.c @@ -52,7 +52,7 @@ module_param(debug, int, 0); MODULE_AUTHOR("Kai Germaschewski <kai.germaschewski@gmx.de>/Karsten Keil <kkeil@suse.de>"); MODULE_DESCRIPTION("AVM Fritz!PCI/PnP ISDN driver"); -static struct pci_device_id fcpci_ids[] = { +static const struct pci_device_id fcpci_ids[] = { { .vendor = PCI_VENDOR_ID_AVM, .device = PCI_DEVICE_ID_AVM_A1, .subvendor = PCI_ANY_ID, diff --git a/drivers/macintosh/rack-meter.c b/drivers/macintosh/rack-meter.c index e199fd6c71ce..35582eb271e9 100644 --- a/drivers/macintosh/rack-meter.c +++ b/drivers/macintosh/rack-meter.c @@ -579,7 +579,7 @@ static int rackmeter_shutdown(struct macio_dev* mdev) return 0; } -static struct of_device_id rackmeter_match[] = { +static const struct of_device_id rackmeter_match[] = { { .name = "i2s" }, { } }; diff --git a/drivers/macintosh/windfarm_cpufreq_clamp.c b/drivers/macintosh/windfarm_cpufreq_clamp.c index 72d1fdfe02a5..2626990331dc 100644 --- a/drivers/macintosh/windfarm_cpufreq_clamp.c +++ b/drivers/macintosh/windfarm_cpufreq_clamp.c @@ -63,7 +63,7 @@ static s32 clamp_max(struct wf_control *ct) return 1; } -static struct wf_control_ops clamp_ops = { +static const struct wf_control_ops clamp_ops = { .set_value = clamp_set, .get_value = clamp_get, .get_min = clamp_min, diff --git a/drivers/macintosh/windfarm_rm31.c b/drivers/macintosh/windfarm_rm31.c index bdfcb8a8bfbb..a0cd9c7f9835 100644 --- a/drivers/macintosh/windfarm_rm31.c +++ b/drivers/macintosh/windfarm_rm31.c @@ -338,7 +338,7 @@ static int cpu_setup_pid(int cpu) } /* Backside/U3 fan */ -static struct wf_pid_param backside_param = { +static const struct wf_pid_param backside_param = { .interval = 1, .history_len = 2, .gd = 0x00500000, @@ -351,7 +351,7 @@ static struct wf_pid_param backside_param = { }; /* DIMMs temperature (clamp the backside fan) */ -static struct wf_pid_param dimms_param = { +static const struct wf_pid_param dimms_param = { .interval = 1, .history_len = 20, .gd = 0, diff --git a/drivers/macintosh/windfarm_smu_controls.c b/drivers/macintosh/windfarm_smu_controls.c index c155a54e8638..d174c7437337 100644 --- a/drivers/macintosh/windfarm_smu_controls.c +++ b/drivers/macintosh/windfarm_smu_controls.c @@ -145,7 +145,7 @@ static s32 smu_fan_max(struct wf_control *ct) return fct->max; } -static struct wf_control_ops smu_fan_ops = { +static const struct wf_control_ops smu_fan_ops = { .set_value = smu_fan_set, .get_value = smu_fan_get, .get_min = smu_fan_min, diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index f4eace5ea184..40f3cd7eab0f 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -156,7 +156,8 @@ static int read_sb_page(struct mddev *mddev, loff_t offset, rdev_for_each(rdev, mddev) { if (! test_bit(In_sync, &rdev->flags) - || test_bit(Faulty, &rdev->flags)) + || test_bit(Faulty, &rdev->flags) + || test_bit(Bitmap_sync, &rdev->flags)) continue; target = offset + index * (PAGE_SIZE/512); diff --git a/drivers/md/md.h b/drivers/md/md.h index 991f0fe2dcc6..b50eb4ac1b82 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -134,7 +134,9 @@ enum flag_bits { Faulty, /* device is known to have a fault */ In_sync, /* device is in_sync with rest of array */ Bitmap_sync, /* ..actually, not quite In_sync. Need a - * bitmap-based recovery to get fully in sync + * bitmap-based recovery to get fully in sync. + * The bit is only meaningful before device + * has been passed to pers->hot_add_disk. */ WriteMostly, /* Avoid reading if at all possible */ AutoDetected, /* added by auto-detect */ diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c index 77cce3573aa8..44ad5baf3206 100644 --- a/drivers/md/raid5-ppl.c +++ b/drivers/md/raid5-ppl.c @@ -1150,7 +1150,7 @@ int ppl_init_log(struct r5conf *conf) goto err; } - ppl_conf->bs = bioset_create(conf->raid_disks, 0, 0); + ppl_conf->bs = bioset_create(conf->raid_disks, 0, BIOSET_NEED_BVECS); if (!ppl_conf->bs) { ret = -ENOMEM; goto err; diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 2ceb338b094b..aeeb8d6854e2 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -7951,12 +7951,10 @@ static void end_reshape(struct r5conf *conf) { if (!test_bit(MD_RECOVERY_INTR, &conf->mddev->recovery)) { - struct md_rdev *rdev; spin_lock_irq(&conf->device_lock); conf->previous_raid_disks = conf->raid_disks; - rdev_for_each(rdev, conf->mddev) - rdev->data_offset = rdev->new_data_offset; + md_finish_reshape(conf->mddev); smp_wmb(); conf->reshape_progress = MaxSector; conf->mddev->reshape_position = MaxSector; diff --git a/drivers/misc/cxl/fault.c b/drivers/misc/cxl/fault.c index 6eed7d03e2b5..ab507e4ed69b 100644 --- a/drivers/misc/cxl/fault.c +++ b/drivers/misc/cxl/fault.c @@ -138,6 +138,12 @@ int cxl_handle_mm_fault(struct mm_struct *mm, u64 dsisr, u64 dar) int result; unsigned long access, flags, inv_flags = 0; + /* + * Add the fault handling cpu to task mm cpumask so that we + * can do a safe lockless page table walk when inserting the + * hash page table entry. + */ + cpumask_set_cpu(smp_processor_id(), mm_cpumask(mm)); if ((result = copro_handle_mm_fault(mm, dar, dsisr, &flt))) { pr_devel("copro_handle_mm_fault failed: %#x\n", result); return result; diff --git a/drivers/mux/Kconfig b/drivers/mux/Kconfig index 7c754a0f14bb..19e4e904c9bf 100644 --- a/drivers/mux/Kconfig +++ b/drivers/mux/Kconfig @@ -2,20 +2,11 @@ # Multiplexer devices # -menuconfig MULTIPLEXER - tristate "Multiplexer subsystem" - help - Multiplexer controller subsystem. Multiplexers are used in a - variety of settings, and this subsystem abstracts their use - so that the rest of the kernel sees a common interface. When - multiple parallel multiplexers are controlled by one single - multiplexer controller, this subsystem also coordinates the - multiplexer accesses. - - To compile the subsystem as a module, choose M here: the module will - be called mux-core. +config MULTIPLEXER + tristate -if MULTIPLEXER +menu "Multiplexer drivers" + depends on MULTIPLEXER config MUX_ADG792A tristate "Analog Devices ADG792A/ADG792G Multiplexers" @@ -56,4 +47,4 @@ config MUX_MMIO To compile the driver as a module, choose M here: the module will be called mux-mmio. -endif +endmenu diff --git a/drivers/mux/mux-core.c b/drivers/mux/mux-core.c index 90b8995f07cb..2fe96c470112 100644 --- a/drivers/mux/mux-core.c +++ b/drivers/mux/mux-core.c @@ -46,7 +46,7 @@ static int __init mux_init(void) static void __exit mux_exit(void) { - class_register(&mux_class); + class_unregister(&mux_class); ida_destroy(&mux_ida); } diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 14ff622190a5..181839d6fbea 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4596,7 +4596,7 @@ static int bond_check_params(struct bond_params *params) } ad_user_port_key = valptr->value; - if (bond_mode == BOND_MODE_TLB) { + if ((bond_mode == BOND_MODE_TLB) || (bond_mode == BOND_MODE_ALB)) { bond_opt_initstr(&newval, "default"); valptr = bond_opt_parse(bond_opt_get(BOND_OPT_TLB_DYNAMIC_LB), &newval); diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index e68d368e20ac..7f36d3e3c98b 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -1665,6 +1665,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .dev_name = "BCM53125", .vlans = 4096, .enabled_ports = 0xff, + .arl_entries = 4, .cpu_port = B53_CPU_PORT, .vta_regs = B53_VTA_REGS, .duplex_reg = B53_DUPLEX_STAT_GE, diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 53b088166c28..5bcdd33101b0 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -3178,6 +3178,7 @@ static const struct mv88e6xxx_ops mv88e6390x_ops = { .port_set_jumbo_size = mv88e6165_port_set_jumbo_size, .port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting, .port_pause_limit = mv88e6390_port_pause_limit, + .port_set_cmode = mv88e6390x_port_set_cmode, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6390_g1_stats_snapshot, diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c index d3906f6b01bd..86058a9f3417 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c @@ -1785,16 +1785,18 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata) xgene_enet_gpiod_get(pdata); - pdata->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(pdata->clk)) { - /* Abort if the clock is defined but couldn't be retrived. - * Always abort if the clock is missing on DT system as - * the driver can't cope with this case. - */ - if (PTR_ERR(pdata->clk) != -ENOENT || dev->of_node) - return PTR_ERR(pdata->clk); - /* Firmware may have set up the clock already. */ - dev_info(dev, "clocks have been setup already\n"); + if (pdata->phy_mode != PHY_INTERFACE_MODE_SGMII) { + pdata->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(pdata->clk)) { + /* Abort if the clock is defined but couldn't be + * retrived. Always abort if the clock is missing on + * DT system as the driver can't cope with this case. + */ + if (PTR_ERR(pdata->clk) != -ENOENT || dev->of_node) + return PTR_ERR(pdata->clk); + /* Firmware may have set up the clock already. */ + dev_info(dev, "clocks have been setup already\n"); + } } if (pdata->phy_mode != PHY_INTERFACE_MODE_XGMII) diff --git a/drivers/net/ethernet/broadcom/bgmac-platform.c b/drivers/net/ethernet/broadcom/bgmac-platform.c index 73aca97a96bc..d937083db9a4 100644 --- a/drivers/net/ethernet/broadcom/bgmac-platform.c +++ b/drivers/net/ethernet/broadcom/bgmac-platform.c @@ -50,11 +50,14 @@ static u32 platform_bgmac_idm_read(struct bgmac *bgmac, u16 offset) static void platform_bgmac_idm_write(struct bgmac *bgmac, u16 offset, u32 value) { - return writel(value, bgmac->plat.idm_base + offset); + writel(value, bgmac->plat.idm_base + offset); } static bool platform_bgmac_clk_enabled(struct bgmac *bgmac) { + if (!bgmac->plat.idm_base) + return true; + if ((bgmac_idm_read(bgmac, BCMA_IOCTL) & BGMAC_CLK_EN) != BGMAC_CLK_EN) return false; if (bgmac_idm_read(bgmac, BCMA_RESET_CTL) & BCMA_RESET_CTL_RESET) @@ -66,6 +69,9 @@ static void platform_bgmac_clk_enable(struct bgmac *bgmac, u32 flags) { u32 val; + if (!bgmac->plat.idm_base) + return; + /* The Reset Control register only contains a single bit to show if the * controller is currently in reset. Do a sanity check here, just in * case the bootloader happened to leave the device in reset. @@ -180,6 +186,7 @@ static int bgmac_probe(struct platform_device *pdev) bgmac->feature_flags |= BGMAC_FEAT_CMDCFG_SR_REV4; bgmac->feature_flags |= BGMAC_FEAT_TX_MASK_SETUP; bgmac->feature_flags |= BGMAC_FEAT_RX_MASK_SETUP; + bgmac->feature_flags |= BGMAC_FEAT_IDM_MASK; bgmac->dev = &pdev->dev; bgmac->dma_dev = &pdev->dev; @@ -207,15 +214,13 @@ static int bgmac_probe(struct platform_device *pdev) return PTR_ERR(bgmac->plat.base); regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "idm_base"); - if (!regs) { - dev_err(&pdev->dev, "Unable to obtain idm resource\n"); - return -EINVAL; + if (regs) { + bgmac->plat.idm_base = devm_ioremap_resource(&pdev->dev, regs); + if (IS_ERR(bgmac->plat.idm_base)) + return PTR_ERR(bgmac->plat.idm_base); + bgmac->feature_flags &= ~BGMAC_FEAT_IDM_MASK; } - bgmac->plat.idm_base = devm_ioremap_resource(&pdev->dev, regs); - if (IS_ERR(bgmac->plat.idm_base)) - return PTR_ERR(bgmac->plat.idm_base); - regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "nicpm_base"); if (regs) { bgmac->plat.nicpm_base = devm_ioremap_resource(&pdev->dev, diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index ba4d2e145bb9..48d672b204a4 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -622,9 +622,11 @@ static int bgmac_dma_alloc(struct bgmac *bgmac) BUILD_BUG_ON(BGMAC_MAX_TX_RINGS > ARRAY_SIZE(ring_base)); BUILD_BUG_ON(BGMAC_MAX_RX_RINGS > ARRAY_SIZE(ring_base)); - if (!(bgmac_idm_read(bgmac, BCMA_IOST) & BCMA_IOST_DMA64)) { - dev_err(bgmac->dev, "Core does not report 64-bit DMA\n"); - return -ENOTSUPP; + if (!(bgmac->feature_flags & BGMAC_FEAT_IDM_MASK)) { + if (!(bgmac_idm_read(bgmac, BCMA_IOST) & BCMA_IOST_DMA64)) { + dev_err(bgmac->dev, "Core does not report 64-bit DMA\n"); + return -ENOTSUPP; + } } for (i = 0; i < BGMAC_MAX_TX_RINGS; i++) { @@ -855,9 +857,11 @@ static void bgmac_mac_speed(struct bgmac *bgmac) static void bgmac_miiconfig(struct bgmac *bgmac) { if (bgmac->feature_flags & BGMAC_FEAT_FORCE_SPEED_2500) { - bgmac_idm_write(bgmac, BCMA_IOCTL, - bgmac_idm_read(bgmac, BCMA_IOCTL) | 0x40 | - BGMAC_BCMA_IOCTL_SW_CLKEN); + if (!(bgmac->feature_flags & BGMAC_FEAT_IDM_MASK)) { + bgmac_idm_write(bgmac, BCMA_IOCTL, + bgmac_idm_read(bgmac, BCMA_IOCTL) | + 0x40 | BGMAC_BCMA_IOCTL_SW_CLKEN); + } bgmac->mac_speed = SPEED_2500; bgmac->mac_duplex = DUPLEX_FULL; bgmac_mac_speed(bgmac); @@ -874,11 +878,36 @@ static void bgmac_miiconfig(struct bgmac *bgmac) } } +static void bgmac_chip_reset_idm_config(struct bgmac *bgmac) +{ + u32 iost; + + iost = bgmac_idm_read(bgmac, BCMA_IOST); + if (bgmac->feature_flags & BGMAC_FEAT_IOST_ATTACHED) + iost &= ~BGMAC_BCMA_IOST_ATTACHED; + + /* 3GMAC: for BCM4707 & BCM47094, only do core reset at bgmac_probe() */ + if (!(bgmac->feature_flags & BGMAC_FEAT_NO_RESET)) { + u32 flags = 0; + + if (iost & BGMAC_BCMA_IOST_ATTACHED) { + flags = BGMAC_BCMA_IOCTL_SW_CLKEN; + if (!bgmac->has_robosw) + flags |= BGMAC_BCMA_IOCTL_SW_RESET; + } + bgmac_clk_enable(bgmac, flags); + } + + if (iost & BGMAC_BCMA_IOST_ATTACHED && !bgmac->has_robosw) + bgmac_idm_write(bgmac, BCMA_IOCTL, + bgmac_idm_read(bgmac, BCMA_IOCTL) & + ~BGMAC_BCMA_IOCTL_SW_RESET); +} + /* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipreset */ static void bgmac_chip_reset(struct bgmac *bgmac) { u32 cmdcfg_sr; - u32 iost; int i; if (bgmac_clk_enabled(bgmac)) { @@ -899,20 +928,8 @@ static void bgmac_chip_reset(struct bgmac *bgmac) /* TODO: Clear software multicast filter list */ } - iost = bgmac_idm_read(bgmac, BCMA_IOST); - if (bgmac->feature_flags & BGMAC_FEAT_IOST_ATTACHED) - iost &= ~BGMAC_BCMA_IOST_ATTACHED; - - /* 3GMAC: for BCM4707 & BCM47094, only do core reset at bgmac_probe() */ - if (!(bgmac->feature_flags & BGMAC_FEAT_NO_RESET)) { - u32 flags = 0; - if (iost & BGMAC_BCMA_IOST_ATTACHED) { - flags = BGMAC_BCMA_IOCTL_SW_CLKEN; - if (!bgmac->has_robosw) - flags |= BGMAC_BCMA_IOCTL_SW_RESET; - } - bgmac_clk_enable(bgmac, flags); - } + if (!(bgmac->feature_flags & BGMAC_FEAT_IDM_MASK)) + bgmac_chip_reset_idm_config(bgmac); /* Request Misc PLL for corerev > 2 */ if (bgmac->feature_flags & BGMAC_FEAT_MISC_PLL_REQ) { @@ -970,11 +987,6 @@ static void bgmac_chip_reset(struct bgmac *bgmac) BGMAC_CHIPCTL_7_IF_TYPE_RGMII); } - if (iost & BGMAC_BCMA_IOST_ATTACHED && !bgmac->has_robosw) - bgmac_idm_write(bgmac, BCMA_IOCTL, - bgmac_idm_read(bgmac, BCMA_IOCTL) & - ~BGMAC_BCMA_IOCTL_SW_RESET); - /* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/gmac_reset * Specs don't say about using BGMAC_CMDCFG_SR, but in this routine * BGMAC_CMDCFG is read _after_ putting chip in a reset. So it has to @@ -1497,8 +1509,10 @@ int bgmac_enet_probe(struct bgmac *bgmac) bgmac_clk_enable(bgmac, 0); /* This seems to be fixing IRQ by assigning OOB #6 to the core */ - if (bgmac->feature_flags & BGMAC_FEAT_IRQ_ID_OOB_6) - bgmac_idm_write(bgmac, BCMA_OOB_SEL_OUT_A30, 0x86); + if (!(bgmac->feature_flags & BGMAC_FEAT_IDM_MASK)) { + if (bgmac->feature_flags & BGMAC_FEAT_IRQ_ID_OOB_6) + bgmac_idm_write(bgmac, BCMA_OOB_SEL_OUT_A30, 0x86); + } bgmac_chip_reset(bgmac); diff --git a/drivers/net/ethernet/broadcom/bgmac.h b/drivers/net/ethernet/broadcom/bgmac.h index c1818766c501..443d57b10264 100644 --- a/drivers/net/ethernet/broadcom/bgmac.h +++ b/drivers/net/ethernet/broadcom/bgmac.h @@ -425,6 +425,7 @@ #define BGMAC_FEAT_CC4_IF_SW_TYPE BIT(17) #define BGMAC_FEAT_CC4_IF_SW_TYPE_RGMII BIT(18) #define BGMAC_FEAT_CC7_IF_TYPE_RGMII BIT(19) +#define BGMAC_FEAT_IDM_MASK BIT(20) struct bgmac_slot_info { union { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c index 43423744fdfa..1e33abde4a3e 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c @@ -2886,7 +2886,7 @@ static int bnx2x_test_nvram_tbl(struct bnx2x *bp, static int bnx2x_test_nvram(struct bnx2x *bp) { - const struct crc_pair nvram_tbl[] = { + static const struct crc_pair nvram_tbl[] = { { 0, 0x14 }, /* bootstrap */ { 0x14, 0xec }, /* dir */ { 0x100, 0x350 }, /* manuf_info */ @@ -2895,7 +2895,7 @@ static int bnx2x_test_nvram(struct bnx2x *bp) { 0x708, 0x70 }, /* manuf_key_info */ { 0, 0 } }; - const struct crc_pair nvram_tbl2[] = { + static const struct crc_pair nvram_tbl2[] = { { 0x7e8, 0x350 }, /* manuf_info2 */ { 0xb38, 0xf0 }, /* feature_info */ { 0, 0 } @@ -3162,7 +3162,8 @@ static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf) if (is_multi(bp)) { for_each_eth_queue(bp, i) { memset(queue_name, 0, sizeof(queue_name)); - sprintf(queue_name, "%d", i); + snprintf(queue_name, sizeof(queue_name), + "%d", i); for (j = 0; j < BNX2X_NUM_Q_STATS; j++) snprintf(buf + (k + j)*ETH_GSTRING_LEN, ETH_GSTRING_LEN, diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index daca1c9d254b..7b0b399aaedd 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -1202,12 +1202,21 @@ static struct enet_cb *bcmgenet_get_txcb(struct bcmgenet_priv *priv, return tx_cb_ptr; } -/* Simple helper to free a control block's resources */ -static void bcmgenet_free_cb(struct enet_cb *cb) +static struct enet_cb *bcmgenet_put_txcb(struct bcmgenet_priv *priv, + struct bcmgenet_tx_ring *ring) { - dev_kfree_skb_any(cb->skb); - cb->skb = NULL; - dma_unmap_addr_set(cb, dma_addr, 0); + struct enet_cb *tx_cb_ptr; + + tx_cb_ptr = ring->cbs; + tx_cb_ptr += ring->write_ptr - ring->cb_ptr; + + /* Rewinding local write pointer */ + if (ring->write_ptr == ring->cb_ptr) + ring->write_ptr = ring->end_ptr; + else + ring->write_ptr--; + + return tx_cb_ptr; } static inline void bcmgenet_rx_ring16_int_disable(struct bcmgenet_rx_ring *ring) @@ -1260,18 +1269,72 @@ static inline void bcmgenet_tx_ring_int_disable(struct bcmgenet_tx_ring *ring) INTRL2_CPU_MASK_SET); } +/* Simple helper to free a transmit control block's resources + * Returns an skb when the last transmit control block associated with the + * skb is freed. The skb should be freed by the caller if necessary. + */ +static struct sk_buff *bcmgenet_free_tx_cb(struct device *dev, + struct enet_cb *cb) +{ + struct sk_buff *skb; + + skb = cb->skb; + + if (skb) { + cb->skb = NULL; + if (cb == GENET_CB(skb)->first_cb) + dma_unmap_single(dev, dma_unmap_addr(cb, dma_addr), + dma_unmap_len(cb, dma_len), + DMA_TO_DEVICE); + else + dma_unmap_page(dev, dma_unmap_addr(cb, dma_addr), + dma_unmap_len(cb, dma_len), + DMA_TO_DEVICE); + dma_unmap_addr_set(cb, dma_addr, 0); + + if (cb == GENET_CB(skb)->last_cb) + return skb; + + } else if (dma_unmap_addr(cb, dma_addr)) { + dma_unmap_page(dev, + dma_unmap_addr(cb, dma_addr), + dma_unmap_len(cb, dma_len), + DMA_TO_DEVICE); + dma_unmap_addr_set(cb, dma_addr, 0); + } + + return 0; +} + +/* Simple helper to free a receive control block's resources */ +static struct sk_buff *bcmgenet_free_rx_cb(struct device *dev, + struct enet_cb *cb) +{ + struct sk_buff *skb; + + skb = cb->skb; + cb->skb = NULL; + + if (dma_unmap_addr(cb, dma_addr)) { + dma_unmap_single(dev, dma_unmap_addr(cb, dma_addr), + dma_unmap_len(cb, dma_len), DMA_FROM_DEVICE); + dma_unmap_addr_set(cb, dma_addr, 0); + } + + return skb; +} + /* Unlocked version of the reclaim routine */ static unsigned int __bcmgenet_tx_reclaim(struct net_device *dev, struct bcmgenet_tx_ring *ring) { struct bcmgenet_priv *priv = netdev_priv(dev); - struct device *kdev = &priv->pdev->dev; - struct enet_cb *tx_cb_ptr; - unsigned int pkts_compl = 0; + unsigned int txbds_processed = 0; unsigned int bytes_compl = 0; - unsigned int c_index; + unsigned int pkts_compl = 0; unsigned int txbds_ready; - unsigned int txbds_processed = 0; + unsigned int c_index; + struct sk_buff *skb; /* Clear status before servicing to reduce spurious interrupts */ if (ring->index == DESC_INDEX) @@ -1292,21 +1355,12 @@ static unsigned int __bcmgenet_tx_reclaim(struct net_device *dev, /* Reclaim transmitted buffers */ while (txbds_processed < txbds_ready) { - tx_cb_ptr = &priv->tx_cbs[ring->clean_ptr]; - if (tx_cb_ptr->skb) { + skb = bcmgenet_free_tx_cb(&priv->pdev->dev, + &priv->tx_cbs[ring->clean_ptr]); + if (skb) { pkts_compl++; - bytes_compl += GENET_CB(tx_cb_ptr->skb)->bytes_sent; - dma_unmap_single(kdev, - dma_unmap_addr(tx_cb_ptr, dma_addr), - dma_unmap_len(tx_cb_ptr, dma_len), - DMA_TO_DEVICE); - bcmgenet_free_cb(tx_cb_ptr); - } else if (dma_unmap_addr(tx_cb_ptr, dma_addr)) { - dma_unmap_page(kdev, - dma_unmap_addr(tx_cb_ptr, dma_addr), - dma_unmap_len(tx_cb_ptr, dma_len), - DMA_TO_DEVICE); - dma_unmap_addr_set(tx_cb_ptr, dma_addr, 0); + bytes_compl += GENET_CB(skb)->bytes_sent; + dev_kfree_skb_any(skb); } txbds_processed++; @@ -1380,95 +1434,6 @@ static void bcmgenet_tx_reclaim_all(struct net_device *dev) bcmgenet_tx_reclaim(dev, &priv->tx_rings[DESC_INDEX]); } -/* Transmits a single SKB (either head of a fragment or a single SKB) - * caller must hold priv->lock - */ -static int bcmgenet_xmit_single(struct net_device *dev, - struct sk_buff *skb, - u16 dma_desc_flags, - struct bcmgenet_tx_ring *ring) -{ - struct bcmgenet_priv *priv = netdev_priv(dev); - struct device *kdev = &priv->pdev->dev; - struct enet_cb *tx_cb_ptr; - unsigned int skb_len; - dma_addr_t mapping; - u32 length_status; - int ret; - - tx_cb_ptr = bcmgenet_get_txcb(priv, ring); - - if (unlikely(!tx_cb_ptr)) - BUG(); - - tx_cb_ptr->skb = skb; - - skb_len = skb_headlen(skb); - - mapping = dma_map_single(kdev, skb->data, skb_len, DMA_TO_DEVICE); - ret = dma_mapping_error(kdev, mapping); - if (ret) { - priv->mib.tx_dma_failed++; - netif_err(priv, tx_err, dev, "Tx DMA map failed\n"); - dev_kfree_skb(skb); - return ret; - } - - dma_unmap_addr_set(tx_cb_ptr, dma_addr, mapping); - dma_unmap_len_set(tx_cb_ptr, dma_len, skb_len); - length_status = (skb_len << DMA_BUFLENGTH_SHIFT) | dma_desc_flags | - (priv->hw_params->qtag_mask << DMA_TX_QTAG_SHIFT) | - DMA_TX_APPEND_CRC; - - if (skb->ip_summed == CHECKSUM_PARTIAL) - length_status |= DMA_TX_DO_CSUM; - - dmadesc_set(priv, tx_cb_ptr->bd_addr, mapping, length_status); - - return 0; -} - -/* Transmit a SKB fragment */ -static int bcmgenet_xmit_frag(struct net_device *dev, - skb_frag_t *frag, - u16 dma_desc_flags, - struct bcmgenet_tx_ring *ring) -{ - struct bcmgenet_priv *priv = netdev_priv(dev); - struct device *kdev = &priv->pdev->dev; - struct enet_cb *tx_cb_ptr; - unsigned int frag_size; - dma_addr_t mapping; - int ret; - - tx_cb_ptr = bcmgenet_get_txcb(priv, ring); - - if (unlikely(!tx_cb_ptr)) - BUG(); - - tx_cb_ptr->skb = NULL; - - frag_size = skb_frag_size(frag); - - mapping = skb_frag_dma_map(kdev, frag, 0, frag_size, DMA_TO_DEVICE); - ret = dma_mapping_error(kdev, mapping); - if (ret) { - priv->mib.tx_dma_failed++; - netif_err(priv, tx_err, dev, "%s: Tx DMA map failed\n", - __func__); - return ret; - } - - dma_unmap_addr_set(tx_cb_ptr, dma_addr, mapping); - dma_unmap_len_set(tx_cb_ptr, dma_len, frag_size); - - dmadesc_set(priv, tx_cb_ptr->bd_addr, mapping, - (frag_size << DMA_BUFLENGTH_SHIFT) | dma_desc_flags | - (priv->hw_params->qtag_mask << DMA_TX_QTAG_SHIFT)); - - return 0; -} - /* Reallocate the SKB to put enough headroom in front of it and insert * the transmit checksum offsets in the descriptors */ @@ -1535,11 +1500,16 @@ static struct sk_buff *bcmgenet_put_tx_csum(struct net_device *dev, static netdev_tx_t bcmgenet_xmit(struct sk_buff *skb, struct net_device *dev) { struct bcmgenet_priv *priv = netdev_priv(dev); + struct device *kdev = &priv->pdev->dev; struct bcmgenet_tx_ring *ring = NULL; + struct enet_cb *tx_cb_ptr; struct netdev_queue *txq; unsigned long flags = 0; int nr_frags, index; - u16 dma_desc_flags; + dma_addr_t mapping; + unsigned int size; + skb_frag_t *frag; + u32 len_stat; int ret; int i; @@ -1592,29 +1562,53 @@ static netdev_tx_t bcmgenet_xmit(struct sk_buff *skb, struct net_device *dev) } } - dma_desc_flags = DMA_SOP; - if (nr_frags == 0) - dma_desc_flags |= DMA_EOP; + for (i = 0; i <= nr_frags; i++) { + tx_cb_ptr = bcmgenet_get_txcb(priv, ring); - /* Transmit single SKB or head of fragment list */ - ret = bcmgenet_xmit_single(dev, skb, dma_desc_flags, ring); - if (ret) { - ret = NETDEV_TX_OK; - goto out; - } + if (unlikely(!tx_cb_ptr)) + BUG(); + + if (!i) { + /* Transmit single SKB or head of fragment list */ + GENET_CB(skb)->first_cb = tx_cb_ptr; + size = skb_headlen(skb); + mapping = dma_map_single(kdev, skb->data, size, + DMA_TO_DEVICE); + } else { + /* xmit fragment */ + frag = &skb_shinfo(skb)->frags[i - 1]; + size = skb_frag_size(frag); + mapping = skb_frag_dma_map(kdev, frag, 0, size, + DMA_TO_DEVICE); + } - /* xmit fragment */ - for (i = 0; i < nr_frags; i++) { - ret = bcmgenet_xmit_frag(dev, - &skb_shinfo(skb)->frags[i], - (i == nr_frags - 1) ? DMA_EOP : 0, - ring); + ret = dma_mapping_error(kdev, mapping); if (ret) { + priv->mib.tx_dma_failed++; + netif_err(priv, tx_err, dev, "Tx DMA map failed\n"); ret = NETDEV_TX_OK; - goto out; + goto out_unmap_frags; + } + dma_unmap_addr_set(tx_cb_ptr, dma_addr, mapping); + dma_unmap_len_set(tx_cb_ptr, dma_len, size); + + tx_cb_ptr->skb = skb; + + len_stat = (size << DMA_BUFLENGTH_SHIFT) | + (priv->hw_params->qtag_mask << DMA_TX_QTAG_SHIFT); + + if (!i) { + len_stat |= DMA_TX_APPEND_CRC | DMA_SOP; + if (skb->ip_summed == CHECKSUM_PARTIAL) + len_stat |= DMA_TX_DO_CSUM; } + if (i == nr_frags) + len_stat |= DMA_EOP; + + dmadesc_set(priv, tx_cb_ptr->bd_addr, mapping, len_stat); } + GENET_CB(skb)->last_cb = tx_cb_ptr; skb_tx_timestamp(skb); /* Decrement total BD count and advance our write pointer */ @@ -1635,6 +1629,19 @@ out: spin_unlock_irqrestore(&ring->lock, flags); return ret; + +out_unmap_frags: + /* Back up for failed control block mapping */ + bcmgenet_put_txcb(priv, ring); + + /* Unmap successfully mapped control blocks */ + while (i-- > 0) { + tx_cb_ptr = bcmgenet_put_txcb(priv, ring); + bcmgenet_free_tx_cb(kdev, tx_cb_ptr); + } + + dev_kfree_skb(skb); + goto out; } static struct sk_buff *bcmgenet_rx_refill(struct bcmgenet_priv *priv, @@ -1666,14 +1673,12 @@ static struct sk_buff *bcmgenet_rx_refill(struct bcmgenet_priv *priv, } /* Grab the current Rx skb from the ring and DMA-unmap it */ - rx_skb = cb->skb; - if (likely(rx_skb)) - dma_unmap_single(kdev, dma_unmap_addr(cb, dma_addr), - priv->rx_buf_len, DMA_FROM_DEVICE); + rx_skb = bcmgenet_free_rx_cb(kdev, cb); /* Put the new Rx skb on the ring */ cb->skb = skb; dma_unmap_addr_set(cb, dma_addr, mapping); + dma_unmap_len_set(cb, dma_len, priv->rx_buf_len); dmadesc_set_addr(priv, cb->bd_addr, mapping); /* Return the current Rx skb to caller */ @@ -1880,22 +1885,16 @@ static int bcmgenet_alloc_rx_buffers(struct bcmgenet_priv *priv, static void bcmgenet_free_rx_buffers(struct bcmgenet_priv *priv) { - struct device *kdev = &priv->pdev->dev; + struct sk_buff *skb; struct enet_cb *cb; int i; for (i = 0; i < priv->num_rx_bds; i++) { cb = &priv->rx_cbs[i]; - if (dma_unmap_addr(cb, dma_addr)) { - dma_unmap_single(kdev, - dma_unmap_addr(cb, dma_addr), - priv->rx_buf_len, DMA_FROM_DEVICE); - dma_unmap_addr_set(cb, dma_addr, 0); - } - - if (cb->skb) - bcmgenet_free_cb(cb); + skb = bcmgenet_free_rx_cb(&priv->pdev->dev, cb); + if (skb) + dev_kfree_skb_any(skb); } } @@ -2479,8 +2478,10 @@ static int bcmgenet_dma_teardown(struct bcmgenet_priv *priv) static void bcmgenet_fini_dma(struct bcmgenet_priv *priv) { - int i; struct netdev_queue *txq; + struct sk_buff *skb; + struct enet_cb *cb; + int i; bcmgenet_fini_rx_napi(priv); bcmgenet_fini_tx_napi(priv); @@ -2489,10 +2490,10 @@ static void bcmgenet_fini_dma(struct bcmgenet_priv *priv) bcmgenet_dma_teardown(priv); for (i = 0; i < priv->num_tx_bds; i++) { - if (priv->tx_cbs[i].skb != NULL) { - dev_kfree_skb(priv->tx_cbs[i].skb); - priv->tx_cbs[i].skb = NULL; - } + cb = priv->tx_cbs + i; + skb = bcmgenet_free_tx_cb(&priv->pdev->dev, cb); + if (skb) + dev_kfree_skb(skb); } for (i = 0; i < priv->hw_params->tx_queues; i++) { diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h index efd07020b89f..b9344de669f8 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h @@ -544,6 +544,8 @@ struct bcmgenet_hw_params { }; struct bcmgenet_skb_cb { + struct enet_cb *first_cb; /* First control block of SKB */ + struct enet_cb *last_cb; /* Last control block of SKB */ unsigned int bytes_sent; /* bytes on the wire (no TSB) */ }; diff --git a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c index 28ecda3d3404..ebd353bc78ff 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c @@ -335,7 +335,7 @@ lio_ethtool_get_channels(struct net_device *dev, static int lio_get_eeprom_len(struct net_device *netdev) { - u8 buf[128]; + u8 buf[192]; struct lio *lio = GET_LIO(netdev); struct octeon_device *oct_dev = lio->oct_dev; struct octeon_board_info *board_info; diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c index a0ca68ce3fbb..79112563a25a 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c @@ -1008,7 +1008,7 @@ static void bgx_print_qlm_mode(struct bgx *bgx, u8 lmacid) { struct device *dev = &bgx->pdev->dev; struct lmac *lmac; - char str[20]; + char str[27]; if (!bgx->is_dlm && lmacid) return; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c index 50517cfd9671..9f9d6cae39d5 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c @@ -441,7 +441,8 @@ void cxgb4_ptp_init(struct adapter *adapter) adapter->ptp_clock = ptp_clock_register(&adapter->ptp_clock_info, &adapter->pdev->dev); - if (!adapter->ptp_clock) { + if (IS_ERR_OR_NULL(adapter->ptp_clock)) { + adapter->ptp_clock = NULL; dev_err(adapter->pdev_dev, "PTP %s Clock registration has failed\n", __func__); return; diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h index 99987d8e437e..aa28299aef5f 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h @@ -174,6 +174,8 @@ CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN CH_PCI_ID_TABLE_FENTRY(0x50a0), /* Custom T540-CR */ CH_PCI_ID_TABLE_FENTRY(0x50a1), /* Custom T540-CR */ CH_PCI_ID_TABLE_FENTRY(0x50a2), /* Custom T540-KR4 */ + CH_PCI_ID_TABLE_FENTRY(0x50a3), /* Custom T580-KR4 */ + CH_PCI_ID_TABLE_FENTRY(0x50a4), /* Custom 2x T540-CR */ /* T6 adapters: */ diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c index ff864a187d5a..a37166ee577b 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c @@ -776,8 +776,9 @@ void hns_ae_update_led_status(struct hnae_handle *handle) assert(handle); mac_cb = hns_get_mac_cb(handle); - if (!mac_cb->cpld_ctrl) + if (mac_cb->media_type != HNAE_MEDIA_TYPE_FIBER) return; + hns_set_led_opt(mac_cb); } diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c index 7a8addda726e..408b63faf9a8 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c @@ -53,6 +53,34 @@ static u32 dsaf_read_sub(struct dsaf_device *dsaf_dev, u32 reg) return ret; } +static void hns_dsaf_acpi_ledctrl_by_port(struct hns_mac_cb *mac_cb, u8 op_type, + u32 link, u32 port, u32 act) +{ + union acpi_object *obj; + union acpi_object obj_args[3], argv4; + + obj_args[0].integer.type = ACPI_TYPE_INTEGER; + obj_args[0].integer.value = link; + obj_args[1].integer.type = ACPI_TYPE_INTEGER; + obj_args[1].integer.value = port; + obj_args[2].integer.type = ACPI_TYPE_INTEGER; + obj_args[2].integer.value = act; + + argv4.type = ACPI_TYPE_PACKAGE; + argv4.package.count = 3; + argv4.package.elements = obj_args; + + obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev), + &hns_dsaf_acpi_dsm_guid, 0, op_type, &argv4); + if (!obj) { + dev_warn(mac_cb->dev, "ledctrl fail, link:%d port:%d act:%d!\n", + link, port, act); + return; + } + + ACPI_FREE(obj); +} + static void hns_cpld_set_led(struct hns_mac_cb *mac_cb, int link_status, u16 speed, int data) { @@ -93,6 +121,18 @@ static void hns_cpld_set_led(struct hns_mac_cb *mac_cb, int link_status, } } +static void hns_cpld_set_led_acpi(struct hns_mac_cb *mac_cb, int link_status, + u16 speed, int data) +{ + if (!mac_cb) { + pr_err("cpld_led_set mac_cb is null!\n"); + return; + } + + hns_dsaf_acpi_ledctrl_by_port(mac_cb, HNS_OP_LED_SET_FUNC, + link_status, mac_cb->mac_id, data); +} + static void cpld_led_reset(struct hns_mac_cb *mac_cb) { if (!mac_cb || !mac_cb->cpld_ctrl) @@ -103,6 +143,20 @@ static void cpld_led_reset(struct hns_mac_cb *mac_cb) mac_cb->cpld_led_value = CPLD_LED_DEFAULT_VALUE; } +static void cpld_led_reset_acpi(struct hns_mac_cb *mac_cb) +{ + if (!mac_cb) { + pr_err("cpld_led_reset mac_cb is null!\n"); + return; + } + + if (mac_cb->media_type != HNAE_MEDIA_TYPE_FIBER) + return; + + hns_dsaf_acpi_ledctrl_by_port(mac_cb, HNS_OP_LED_SET_FUNC, + 0, mac_cb->mac_id, 0); +} + static int cpld_set_led_id(struct hns_mac_cb *mac_cb, enum hnae_led_state status) { @@ -604,8 +658,8 @@ struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev) misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback; } else if (is_acpi_node(dsaf_dev->dev->fwnode)) { - misc_op->cpld_set_led = hns_cpld_set_led; - misc_op->cpld_reset_led = cpld_led_reset; + misc_op->cpld_set_led = hns_cpld_set_led_acpi; + misc_op->cpld_reset_led = cpld_led_reset_acpi; misc_op->cpld_set_led_id = cpld_set_led_id; misc_op->dsaf_reset = hns_dsaf_rst_acpi; diff --git a/drivers/net/ethernet/mellanox/mlx4/alloc.c b/drivers/net/ethernet/mellanox/mlx4/alloc.c index 249a4584401a..b651c1210555 100644 --- a/drivers/net/ethernet/mellanox/mlx4/alloc.c +++ b/drivers/net/ethernet/mellanox/mlx4/alloc.c @@ -283,7 +283,7 @@ int mlx4_zone_add_one(struct mlx4_zone_allocator *zone_alloc, } /* Should be called under a lock */ -static int __mlx4_zone_remove_one_entry(struct mlx4_zone_entry *entry) +static void __mlx4_zone_remove_one_entry(struct mlx4_zone_entry *entry) { struct mlx4_zone_allocator *zone_alloc = entry->allocator; @@ -315,8 +315,6 @@ static int __mlx4_zone_remove_one_entry(struct mlx4_zone_entry *entry) } zone_alloc->mask = mask; } - - return 0; } void mlx4_zone_allocator_destroy(struct mlx4_zone_allocator *zone_alloc) @@ -457,7 +455,7 @@ struct mlx4_bitmap *mlx4_zone_get_bitmap(struct mlx4_zone_allocator *zones, u32 int mlx4_zone_remove_one(struct mlx4_zone_allocator *zones, u32 uid) { struct mlx4_zone_entry *zone; - int res; + int res = 0; spin_lock(&zones->lock); @@ -468,7 +466,7 @@ int mlx4_zone_remove_one(struct mlx4_zone_allocator *zones, u32 uid) goto out; } - res = __mlx4_zone_remove_one_entry(zone); + __mlx4_zone_remove_one_entry(zone); out: spin_unlock(&zones->lock); @@ -578,7 +576,7 @@ out: } static int mlx4_buf_direct_alloc(struct mlx4_dev *dev, int size, - struct mlx4_buf *buf, gfp_t gfp) + struct mlx4_buf *buf) { dma_addr_t t; @@ -587,7 +585,7 @@ static int mlx4_buf_direct_alloc(struct mlx4_dev *dev, int size, buf->page_shift = get_order(size) + PAGE_SHIFT; buf->direct.buf = dma_zalloc_coherent(&dev->persist->pdev->dev, - size, &t, gfp); + size, &t, GFP_KERNEL); if (!buf->direct.buf) return -ENOMEM; @@ -607,10 +605,10 @@ static int mlx4_buf_direct_alloc(struct mlx4_dev *dev, int size, * multiple pages, so we don't require too much contiguous memory. */ int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct, - struct mlx4_buf *buf, gfp_t gfp) + struct mlx4_buf *buf) { if (size <= max_direct) { - return mlx4_buf_direct_alloc(dev, size, buf, gfp); + return mlx4_buf_direct_alloc(dev, size, buf); } else { dma_addr_t t; int i; @@ -620,14 +618,14 @@ int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct, buf->npages = buf->nbufs; buf->page_shift = PAGE_SHIFT; buf->page_list = kcalloc(buf->nbufs, sizeof(*buf->page_list), - gfp); + GFP_KERNEL); if (!buf->page_list) return -ENOMEM; for (i = 0; i < buf->nbufs; ++i) { buf->page_list[i].buf = dma_zalloc_coherent(&dev->persist->pdev->dev, - PAGE_SIZE, &t, gfp); + PAGE_SIZE, &t, GFP_KERNEL); if (!buf->page_list[i].buf) goto err_free; @@ -663,12 +661,11 @@ void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf) } EXPORT_SYMBOL_GPL(mlx4_buf_free); -static struct mlx4_db_pgdir *mlx4_alloc_db_pgdir(struct device *dma_device, - gfp_t gfp) +static struct mlx4_db_pgdir *mlx4_alloc_db_pgdir(struct device *dma_device) { struct mlx4_db_pgdir *pgdir; - pgdir = kzalloc(sizeof *pgdir, gfp); + pgdir = kzalloc(sizeof(*pgdir), GFP_KERNEL); if (!pgdir) return NULL; @@ -676,7 +673,7 @@ static struct mlx4_db_pgdir *mlx4_alloc_db_pgdir(struct device *dma_device, pgdir->bits[0] = pgdir->order0; pgdir->bits[1] = pgdir->order1; pgdir->db_page = dma_alloc_coherent(dma_device, PAGE_SIZE, - &pgdir->db_dma, gfp); + &pgdir->db_dma, GFP_KERNEL); if (!pgdir->db_page) { kfree(pgdir); return NULL; @@ -716,7 +713,7 @@ found: return 0; } -int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order, gfp_t gfp) +int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_db_pgdir *pgdir; @@ -728,7 +725,7 @@ int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order, gfp_t gfp if (!mlx4_alloc_db_from_pgdir(pgdir, db, order)) goto out; - pgdir = mlx4_alloc_db_pgdir(&dev->persist->pdev->dev, gfp); + pgdir = mlx4_alloc_db_pgdir(&dev->persist->pdev->dev); if (!pgdir) { ret = -ENOMEM; goto out; @@ -780,13 +777,13 @@ int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres, { int err; - err = mlx4_db_alloc(dev, &wqres->db, 1, GFP_KERNEL); + err = mlx4_db_alloc(dev, &wqres->db, 1); if (err) return err; *wqres->db.db = 0; - err = mlx4_buf_direct_alloc(dev, size, &wqres->buf, GFP_KERNEL); + err = mlx4_buf_direct_alloc(dev, size, &wqres->buf); if (err) goto err_db; @@ -795,7 +792,7 @@ int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres, if (err) goto err_buf; - err = mlx4_buf_write_mtt(dev, &wqres->mtt, &wqres->buf, GFP_KERNEL); + err = mlx4_buf_write_mtt(dev, &wqres->mtt, &wqres->buf); if (err) goto err_mtt; diff --git a/drivers/net/ethernet/mellanox/mlx4/cq.c b/drivers/net/ethernet/mellanox/mlx4/cq.c index fa6d2354a0e9..c56a511b918e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/cq.c @@ -224,11 +224,11 @@ int __mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn) if (*cqn == -1) return -ENOMEM; - err = mlx4_table_get(dev, &cq_table->table, *cqn, GFP_KERNEL); + err = mlx4_table_get(dev, &cq_table->table, *cqn); if (err) goto err_out; - err = mlx4_table_get(dev, &cq_table->cmpt_table, *cqn, GFP_KERNEL); + err = mlx4_table_get(dev, &cq_table->cmpt_table, *cqn); if (err) goto err_put; return 0; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index e5fb89505a13..436f7689a032 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -1042,7 +1042,7 @@ static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv, int qpn, if (!context) return -ENOMEM; - err = mlx4_qp_alloc(mdev->dev, qpn, qp, GFP_KERNEL); + err = mlx4_qp_alloc(mdev->dev, qpn, qp); if (err) { en_err(priv, "Failed to allocate qp #%x\n", qpn); goto out; @@ -1086,7 +1086,7 @@ int mlx4_en_create_drop_qp(struct mlx4_en_priv *priv) en_err(priv, "Failed reserving drop qpn\n"); return err; } - err = mlx4_qp_alloc(priv->mdev->dev, qpn, &priv->drop_qp, GFP_KERNEL); + err = mlx4_qp_alloc(priv->mdev->dev, qpn, &priv->drop_qp); if (err) { en_err(priv, "Failed allocating drop qp\n"); mlx4_qp_release_range(priv->mdev->dev, qpn, 1); @@ -1158,8 +1158,7 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv) } /* Configure RSS indirection qp */ - err = mlx4_qp_alloc(mdev->dev, priv->base_qpn, rss_map->indir_qp, - GFP_KERNEL); + err = mlx4_qp_alloc(mdev->dev, priv->base_qpn, rss_map->indir_qp); if (err) { en_err(priv, "Failed to allocate RSS indirection QP\n"); goto rss_err; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 4f3a9b27ce4a..73faa3d77921 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -111,7 +111,7 @@ int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, goto err_hwq_res; } - err = mlx4_qp_alloc(mdev->dev, ring->qpn, &ring->sp_qp, GFP_KERNEL); + err = mlx4_qp_alloc(mdev->dev, ring->qpn, &ring->sp_qp); if (err) { en_err(priv, "Failed allocating qp %d\n", ring->qpn); goto err_reserve; diff --git a/drivers/net/ethernet/mellanox/mlx4/icm.c b/drivers/net/ethernet/mellanox/mlx4/icm.c index e1f9e7cebf8f..5a7816e7c7b4 100644 --- a/drivers/net/ethernet/mellanox/mlx4/icm.c +++ b/drivers/net/ethernet/mellanox/mlx4/icm.c @@ -251,8 +251,7 @@ int mlx4_UNMAP_ICM_AUX(struct mlx4_dev *dev) MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); } -int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj, - gfp_t gfp) +int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj) { u32 i = (obj & (table->num_obj - 1)) / (MLX4_TABLE_CHUNK_SIZE / table->obj_size); @@ -266,7 +265,7 @@ int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj, } table->icm[i] = mlx4_alloc_icm(dev, MLX4_TABLE_CHUNK_SIZE >> PAGE_SHIFT, - (table->lowmem ? gfp : GFP_HIGHUSER) | + (table->lowmem ? GFP_KERNEL : GFP_HIGHUSER) | __GFP_NOWARN, table->coherent); if (!table->icm[i]) { ret = -ENOMEM; @@ -363,7 +362,7 @@ int mlx4_table_get_range(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 i; for (i = start; i <= end; i += inc) { - err = mlx4_table_get(dev, table, i, GFP_KERNEL); + err = mlx4_table_get(dev, table, i); if (err) goto fail; } diff --git a/drivers/net/ethernet/mellanox/mlx4/icm.h b/drivers/net/ethernet/mellanox/mlx4/icm.h index 0c7364550150..dee67fa39107 100644 --- a/drivers/net/ethernet/mellanox/mlx4/icm.h +++ b/drivers/net/ethernet/mellanox/mlx4/icm.h @@ -71,8 +71,7 @@ struct mlx4_icm *mlx4_alloc_icm(struct mlx4_dev *dev, int npages, gfp_t gfp_mask, int coherent); void mlx4_free_icm(struct mlx4_dev *dev, struct mlx4_icm *icm, int coherent); -int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj, - gfp_t gfp); +int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj); void mlx4_table_put(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj); int mlx4_table_get_range(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 start, u32 end); diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h index 30616cd0140d..706d7f21ac5c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h @@ -969,7 +969,7 @@ void mlx4_cleanup_cq_table(struct mlx4_dev *dev); void mlx4_cleanup_qp_table(struct mlx4_dev *dev); void mlx4_cleanup_srq_table(struct mlx4_dev *dev); void mlx4_cleanup_mcg_table(struct mlx4_dev *dev); -int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn, gfp_t gfp); +int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn); void __mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn); int __mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn); void __mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn); @@ -977,7 +977,7 @@ int __mlx4_srq_alloc_icm(struct mlx4_dev *dev, int *srqn); void __mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn); int __mlx4_mpt_reserve(struct mlx4_dev *dev); void __mlx4_mpt_release(struct mlx4_dev *dev, u32 index); -int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index, gfp_t gfp); +int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index); void __mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index); u32 __mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order); void __mlx4_free_mtt_range(struct mlx4_dev *dev, u32 first_seg, int order); diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c index ce852ca22a96..24282cd017d3 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mr.c +++ b/drivers/net/ethernet/mellanox/mlx4/mr.c @@ -479,14 +479,14 @@ static void mlx4_mpt_release(struct mlx4_dev *dev, u32 index) __mlx4_mpt_release(dev, index); } -int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index, gfp_t gfp) +int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index) { struct mlx4_mr_table *mr_table = &mlx4_priv(dev)->mr_table; - return mlx4_table_get(dev, &mr_table->dmpt_table, index, gfp); + return mlx4_table_get(dev, &mr_table->dmpt_table, index); } -static int mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index, gfp_t gfp) +static int mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index) { u64 param = 0; @@ -497,7 +497,7 @@ static int mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index, gfp_t gfp) MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); } - return __mlx4_mpt_alloc_icm(dev, index, gfp); + return __mlx4_mpt_alloc_icm(dev, index); } void __mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index) @@ -629,7 +629,7 @@ int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr) struct mlx4_mpt_entry *mpt_entry; int err; - err = mlx4_mpt_alloc_icm(dev, key_to_hw_index(mr->key), GFP_KERNEL); + err = mlx4_mpt_alloc_icm(dev, key_to_hw_index(mr->key)); if (err) return err; @@ -787,14 +787,13 @@ int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt, EXPORT_SYMBOL_GPL(mlx4_write_mtt); int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt, - struct mlx4_buf *buf, gfp_t gfp) + struct mlx4_buf *buf) { u64 *page_list; int err; int i; - page_list = kmalloc(buf->npages * sizeof *page_list, - gfp); + page_list = kcalloc(buf->npages, sizeof(*page_list), GFP_KERNEL); if (!page_list) return -ENOMEM; @@ -841,7 +840,7 @@ int mlx4_mw_enable(struct mlx4_dev *dev, struct mlx4_mw *mw) struct mlx4_mpt_entry *mpt_entry; int err; - err = mlx4_mpt_alloc_icm(dev, key_to_hw_index(mw->key), GFP_KERNEL); + err = mlx4_mpt_alloc_icm(dev, key_to_hw_index(mw->key)); if (err) return err; diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c index 5a310d313e94..26747212526b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/qp.c +++ b/drivers/net/ethernet/mellanox/mlx4/qp.c @@ -301,29 +301,29 @@ void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt) } EXPORT_SYMBOL_GPL(mlx4_qp_release_range); -int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn, gfp_t gfp) +int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_qp_table *qp_table = &priv->qp_table; int err; - err = mlx4_table_get(dev, &qp_table->qp_table, qpn, gfp); + err = mlx4_table_get(dev, &qp_table->qp_table, qpn); if (err) goto err_out; - err = mlx4_table_get(dev, &qp_table->auxc_table, qpn, gfp); + err = mlx4_table_get(dev, &qp_table->auxc_table, qpn); if (err) goto err_put_qp; - err = mlx4_table_get(dev, &qp_table->altc_table, qpn, gfp); + err = mlx4_table_get(dev, &qp_table->altc_table, qpn); if (err) goto err_put_auxc; - err = mlx4_table_get(dev, &qp_table->rdmarc_table, qpn, gfp); + err = mlx4_table_get(dev, &qp_table->rdmarc_table, qpn); if (err) goto err_put_altc; - err = mlx4_table_get(dev, &qp_table->cmpt_table, qpn, gfp); + err = mlx4_table_get(dev, &qp_table->cmpt_table, qpn); if (err) goto err_put_rdmarc; @@ -345,7 +345,7 @@ err_out: return err; } -static int mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn, gfp_t gfp) +static int mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn) { u64 param = 0; @@ -355,7 +355,7 @@ static int mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn, gfp_t gfp) MLX4_CMD_ALLOC_RES, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); } - return __mlx4_qp_alloc_icm(dev, qpn, gfp); + return __mlx4_qp_alloc_icm(dev, qpn); } void __mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn) @@ -397,7 +397,7 @@ struct mlx4_qp *mlx4_qp_lookup(struct mlx4_dev *dev, u32 qpn) return qp; } -int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp, gfp_t gfp) +int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_qp_table *qp_table = &priv->qp_table; @@ -408,7 +408,7 @@ int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp, gfp_t gfp) qp->qpn = qpn; - err = mlx4_qp_alloc_icm(dev, qpn, gfp); + err = mlx4_qp_alloc_icm(dev, qpn); if (err) return err; diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index 812783865205..215e21c3dc8a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -1822,7 +1822,7 @@ static int qp_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, return err; if (!fw_reserved(dev, qpn)) { - err = __mlx4_qp_alloc_icm(dev, qpn, GFP_KERNEL); + err = __mlx4_qp_alloc_icm(dev, qpn); if (err) { res_abort_move(dev, slave, RES_QP, qpn); return err; @@ -1909,7 +1909,7 @@ static int mpt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, if (err) return err; - err = __mlx4_mpt_alloc_icm(dev, mpt->key, GFP_KERNEL); + err = __mlx4_mpt_alloc_icm(dev, mpt->key); if (err) { res_abort_move(dev, slave, RES_MPT, id); return err; diff --git a/drivers/net/ethernet/mellanox/mlx4/srq.c b/drivers/net/ethernet/mellanox/mlx4/srq.c index f44d089e2ca6..bedf52126824 100644 --- a/drivers/net/ethernet/mellanox/mlx4/srq.c +++ b/drivers/net/ethernet/mellanox/mlx4/srq.c @@ -100,11 +100,11 @@ int __mlx4_srq_alloc_icm(struct mlx4_dev *dev, int *srqn) if (*srqn == -1) return -ENOMEM; - err = mlx4_table_get(dev, &srq_table->table, *srqn, GFP_KERNEL); + err = mlx4_table_get(dev, &srq_table->table, *srqn); if (err) goto err_out; - err = mlx4_table_get(dev, &srq_table->cmpt_table, *srqn, GFP_KERNEL); + err = mlx4_table_get(dev, &srq_table->cmpt_table, *srqn); if (err) goto err_put; return 0; diff --git a/drivers/net/ethernet/qualcomm/emac/emac.c b/drivers/net/ethernet/qualcomm/emac/emac.c index 746d94e28470..60850bfa3d32 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac.c +++ b/drivers/net/ethernet/qualcomm/emac/emac.c @@ -766,11 +766,13 @@ static void emac_shutdown(struct platform_device *pdev) struct emac_adapter *adpt = netdev_priv(netdev); struct emac_sgmii *sgmii = &adpt->phy; - /* Closing the SGMII turns off its interrupts */ - sgmii->close(adpt); + if (netdev->flags & IFF_UP) { + /* Closing the SGMII turns off its interrupts */ + sgmii->close(adpt); - /* Resetting the MAC turns off all DMA and its interrupts */ - emac_mac_reset(adpt); + /* Resetting the MAC turns off all DMA and its interrupts */ + emac_mac_reset(adpt); + } } static struct platform_driver emac_platform_driver = { diff --git a/drivers/net/ethernet/sgi/ioc3-eth.c b/drivers/net/ethernet/sgi/ioc3-eth.c index b607936e1b3e..9c0488e0f08e 100644 --- a/drivers/net/ethernet/sgi/ioc3-eth.c +++ b/drivers/net/ethernet/sgi/ioc3-eth.c @@ -90,17 +90,13 @@ struct ioc3_private { spinlock_t ioc3_lock; struct mii_if_info mii; + struct net_device *dev; struct pci_dev *pdev; /* Members used by autonegotiation */ struct timer_list ioc3_timer; }; -static inline struct net_device *priv_netdev(struct ioc3_private *dev) -{ - return (void *)dev - ((sizeof(struct net_device) + 31) & ~31); -} - static int ioc3_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); static void ioc3_set_multicast_list(struct net_device *dev); static int ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev); @@ -427,7 +423,7 @@ static void ioc3_get_eaddr_nic(struct ioc3_private *ip) nic[i] = nic_read_byte(ioc3); for (i = 2; i < 8; i++) - priv_netdev(ip)->dev_addr[i - 2] = nic[i]; + ip->dev->dev_addr[i - 2] = nic[i]; } /* @@ -439,7 +435,7 @@ static void ioc3_get_eaddr(struct ioc3_private *ip) { ioc3_get_eaddr_nic(ip); - printk("Ethernet address is %pM.\n", priv_netdev(ip)->dev_addr); + printk("Ethernet address is %pM.\n", ip->dev->dev_addr); } static void __ioc3_set_mac_address(struct net_device *dev) @@ -790,13 +786,12 @@ static void ioc3_timer(unsigned long data) */ static int ioc3_mii_init(struct ioc3_private *ip) { - struct net_device *dev = priv_netdev(ip); int i, found = 0, res = 0; int ioc3_phy_workaround = 1; u16 word; for (i = 0; i < 32; i++) { - word = ioc3_mdio_read(dev, i, MII_PHYSID1); + word = ioc3_mdio_read(ip->dev, i, MII_PHYSID1); if (word != 0xffff && word != 0x0000) { found = 1; @@ -1276,6 +1271,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *ent) SET_NETDEV_DEV(dev, &pdev->dev); ip = netdev_priv(dev); + ip->dev = dev; dev->irq = pdev->irq; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index f233bf8b4ebb..c4407e8e39a3 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -117,7 +117,7 @@ static void dwmac4_tx_queue_routing(struct mac_device_info *hw, void __iomem *ioaddr = hw->pcsr; u32 value; - const struct stmmac_rx_routing route_possibilities[] = { + static const struct stmmac_rx_routing route_possibilities[] = { { GMAC_RXQCTRL_AVCPQ_MASK, GMAC_RXQCTRL_AVCPQ_SHIFT }, { GMAC_RXQCTRL_PTPQ_MASK, GMAC_RXQCTRL_PTPQ_SHIFT }, { GMAC_RXQCTRL_DCBCPQ_MASK, GMAC_RXQCTRL_DCBCPQ_SHIFT }, diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 1853f7ff6657..1763e48c84e2 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -4120,8 +4120,15 @@ int stmmac_dvr_probe(struct device *device, if ((phyaddr >= 0) && (phyaddr <= 31)) priv->plat->phy_addr = phyaddr; - if (priv->plat->stmmac_rst) + if (priv->plat->stmmac_rst) { + ret = reset_control_assert(priv->plat->stmmac_rst); reset_control_deassert(priv->plat->stmmac_rst); + /* Some reset controllers have only reset callback instead of + * assert + deassert callbacks pair. + */ + if (ret == -ENOTSUPP) + reset_control_reset(priv->plat->stmmac_rst); + } /* Init MAC and get the capabilities */ ret = stmmac_hw_init(priv); diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c index 46cb7f8955a2..4bb04aaf9650 100644 --- a/drivers/net/ethernet/sun/niu.c +++ b/drivers/net/ethernet/sun/niu.c @@ -9532,7 +9532,7 @@ static struct niu_parent *niu_get_parent(struct niu *np, p = niu_new_parent(np, id, ptype); if (p) { - char port_name[6]; + char port_name[8]; int err; sprintf(port_name, "port%d", port); @@ -9553,7 +9553,7 @@ static void niu_put_parent(struct niu *np) { struct niu_parent *p = np->parent; u8 port = np->port; - char port_name[6]; + char port_name[8]; BUG_ON(!p || p->ports[port] != np); diff --git a/drivers/net/ethernet/tehuti/tehuti.c b/drivers/net/ethernet/tehuti/tehuti.c index 711fbbbc4b1f..163d8d16bc24 100644 --- a/drivers/net/ethernet/tehuti/tehuti.c +++ b/drivers/net/ethernet/tehuti/tehuti.c @@ -654,6 +654,8 @@ static int bdx_ioctl_priv(struct net_device *ndev, struct ifreq *ifr, int cmd) RET(-EFAULT); } DBG("%d 0x%x 0x%x\n", data[0], data[1], data[2]); + } else { + return -EOPNOTSUPP; } if (!capable(CAP_SYS_RAWIO)) diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 1850e348f555..badd0a8caeb9 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -3089,6 +3089,31 @@ static int cpsw_probe(struct platform_device *pdev) cpsw->quirk_irq = true; } + ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; + + ndev->netdev_ops = &cpsw_netdev_ops; + ndev->ethtool_ops = &cpsw_ethtool_ops; + netif_napi_add(ndev, &cpsw->napi_rx, cpsw_rx_poll, CPSW_POLL_WEIGHT); + netif_tx_napi_add(ndev, &cpsw->napi_tx, cpsw_tx_poll, CPSW_POLL_WEIGHT); + cpsw_split_res(ndev); + + /* register the network device */ + SET_NETDEV_DEV(ndev, &pdev->dev); + ret = register_netdev(ndev); + if (ret) { + dev_err(priv->dev, "error registering net device\n"); + ret = -ENODEV; + goto clean_ale_ret; + } + + if (cpsw->data.dual_emac) { + ret = cpsw_probe_dual_emac(priv); + if (ret) { + cpsw_err(priv, probe, "error probe slave 2 emac interface\n"); + goto clean_unregister_netdev_ret; + } + } + /* Grab RX and TX IRQs. Note that we also have RX_THRESHOLD and * MISC IRQs which are always kept disabled with this driver so * we will not request them. @@ -3127,33 +3152,9 @@ static int cpsw_probe(struct platform_device *pdev) goto clean_ale_ret; } - ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; - - ndev->netdev_ops = &cpsw_netdev_ops; - ndev->ethtool_ops = &cpsw_ethtool_ops; - netif_napi_add(ndev, &cpsw->napi_rx, cpsw_rx_poll, CPSW_POLL_WEIGHT); - netif_tx_napi_add(ndev, &cpsw->napi_tx, cpsw_tx_poll, CPSW_POLL_WEIGHT); - cpsw_split_res(ndev); - - /* register the network device */ - SET_NETDEV_DEV(ndev, &pdev->dev); - ret = register_netdev(ndev); - if (ret) { - dev_err(priv->dev, "error registering net device\n"); - ret = -ENODEV; - goto clean_ale_ret; - } - cpsw_notice(priv, probe, "initialized device (regs %pa, irq %d, pool size %d)\n", &ss_res->start, ndev->irq, dma_params.descs_pool_size); - if (cpsw->data.dual_emac) { - ret = cpsw_probe_dual_emac(priv); - if (ret) { - cpsw_err(priv, probe, "error probe slave 2 emac interface\n"); - goto clean_unregister_netdev_ret; - } - } pm_runtime_put(&pdev->dev); diff --git a/drivers/net/phy/mdio-mux.c b/drivers/net/phy/mdio-mux.c index 00755b6a42cf..c608e1dfaf09 100644 --- a/drivers/net/phy/mdio-mux.c +++ b/drivers/net/phy/mdio-mux.c @@ -135,8 +135,8 @@ int mdio_mux_init(struct device *dev, for_each_available_child_of_node(dev->of_node, child_bus_node) { int v; - v = of_mdio_parse_addr(dev, child_bus_node); - if (v < 0) { + r = of_property_read_u32(child_bus_node, "reg", &v); + if (r) { dev_err(dev, "Error: Failed to find reg for child %s\n", of_node_full_name(child_bus_node)); diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index 13028833bee3..bd4303944e44 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -120,6 +120,7 @@ struct ppp { int n_channels; /* how many channels are attached 54 */ spinlock_t rlock; /* lock for receive side 58 */ spinlock_t wlock; /* lock for transmit side 5c */ + int *xmit_recursion __percpu; /* xmit recursion detect */ int mru; /* max receive unit 60 */ unsigned int flags; /* control bits 64 */ unsigned int xstate; /* transmit state bits 68 */ @@ -1025,6 +1026,7 @@ static int ppp_dev_configure(struct net *src_net, struct net_device *dev, struct ppp *ppp = netdev_priv(dev); int indx; int err; + int cpu; ppp->dev = dev; ppp->ppp_net = src_net; @@ -1039,6 +1041,15 @@ static int ppp_dev_configure(struct net *src_net, struct net_device *dev, INIT_LIST_HEAD(&ppp->channels); spin_lock_init(&ppp->rlock); spin_lock_init(&ppp->wlock); + + ppp->xmit_recursion = alloc_percpu(int); + if (!ppp->xmit_recursion) { + err = -ENOMEM; + goto err1; + } + for_each_possible_cpu(cpu) + (*per_cpu_ptr(ppp->xmit_recursion, cpu)) = 0; + #ifdef CONFIG_PPP_MULTILINK ppp->minseq = -1; skb_queue_head_init(&ppp->mrq); @@ -1050,11 +1061,15 @@ static int ppp_dev_configure(struct net *src_net, struct net_device *dev, err = ppp_unit_register(ppp, conf->unit, conf->ifname_is_set); if (err < 0) - return err; + goto err2; conf->file->private_data = &ppp->file; return 0; +err2: + free_percpu(ppp->xmit_recursion); +err1: + return err; } static const struct nla_policy ppp_nl_policy[IFLA_PPP_MAX + 1] = { @@ -1400,18 +1415,16 @@ static void __ppp_xmit_process(struct ppp *ppp) ppp_xmit_unlock(ppp); } -static DEFINE_PER_CPU(int, ppp_xmit_recursion); - static void ppp_xmit_process(struct ppp *ppp) { local_bh_disable(); - if (unlikely(__this_cpu_read(ppp_xmit_recursion))) + if (unlikely(*this_cpu_ptr(ppp->xmit_recursion))) goto err; - __this_cpu_inc(ppp_xmit_recursion); + (*this_cpu_ptr(ppp->xmit_recursion))++; __ppp_xmit_process(ppp); - __this_cpu_dec(ppp_xmit_recursion); + (*this_cpu_ptr(ppp->xmit_recursion))--; local_bh_enable(); @@ -1905,7 +1918,7 @@ static void __ppp_channel_push(struct channel *pch) read_lock(&pch->upl); ppp = pch->ppp; if (ppp) - __ppp_xmit_process(ppp); + ppp_xmit_process(ppp); read_unlock(&pch->upl); } } @@ -1914,9 +1927,7 @@ static void ppp_channel_push(struct channel *pch) { local_bh_disable(); - __this_cpu_inc(ppp_xmit_recursion); __ppp_channel_push(pch); - __this_cpu_dec(ppp_xmit_recursion); local_bh_enable(); } @@ -3057,6 +3068,7 @@ static void ppp_destroy_interface(struct ppp *ppp) #endif /* CONFIG_PPP_FILTER */ kfree_skb(ppp->xmit_pending); + free_percpu(ppp->xmit_recursion); free_netdev(ppp->dev); } diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index d103a1d4fb36..8f572b9f3625 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -768,8 +768,10 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_ u8 *buf; int len; int temp; + int err; u8 iface_no; struct usb_cdc_parsed_header hdr; + u16 curr_ntb_format; ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); if (!ctx) @@ -874,6 +876,32 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_ goto error2; } + /* + * Some Huawei devices have been observed to come out of reset in NDP32 mode. + * Let's check if this is the case, and set the device to NDP16 mode again if + * needed. + */ + if (ctx->drvflags & CDC_NCM_FLAG_RESET_NTB16) { + err = usbnet_read_cmd(dev, USB_CDC_GET_NTB_FORMAT, + USB_TYPE_CLASS | USB_DIR_IN | USB_RECIP_INTERFACE, + 0, iface_no, &curr_ntb_format, 2); + if (err < 0) { + goto error2; + } + + if (curr_ntb_format == USB_CDC_NCM_NTB32_FORMAT) { + dev_info(&intf->dev, "resetting NTB format to 16-bit"); + err = usbnet_write_cmd(dev, USB_CDC_SET_NTB_FORMAT, + USB_TYPE_CLASS | USB_DIR_OUT + | USB_RECIP_INTERFACE, + USB_CDC_NCM_NTB16_FORMAT, + iface_no, NULL, 0); + + if (err < 0) + goto error2; + } + } + cdc_ncm_find_endpoints(dev, ctx->data); cdc_ncm_find_endpoints(dev, ctx->control); if (!dev->in || !dev->out || !dev->status) { diff --git a/drivers/net/usb/huawei_cdc_ncm.c b/drivers/net/usb/huawei_cdc_ncm.c index 2680a65cd5e4..63f28908afda 100644 --- a/drivers/net/usb/huawei_cdc_ncm.c +++ b/drivers/net/usb/huawei_cdc_ncm.c @@ -80,6 +80,12 @@ static int huawei_cdc_ncm_bind(struct usbnet *usbnet_dev, * be at the end of the frame. */ drvflags |= CDC_NCM_FLAG_NDP_TO_END; + + /* Additionally, it has been reported that some Huawei E3372H devices, with + * firmware version 21.318.01.00.541, come out of reset in NTB32 format mode, hence + * needing to be set to the NTB16 one again. + */ + drvflags |= CDC_NCM_FLAG_RESET_NTB16; ret = cdc_ncm_bind_common(usbnet_dev, intf, 1, drvflags); if (ret) goto err; diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 2dfca96a63b6..340c13484e5c 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -898,6 +898,7 @@ static const struct ethtool_ops smsc95xx_ethtool_ops = { .set_wol = smsc95xx_ethtool_set_wol, .get_link_ksettings = smsc95xx_get_link_ksettings, .set_link_ksettings = smsc95xx_set_link_ksettings, + .get_ts_info = ethtool_op_get_ts_info, }; static int smsc95xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h index ba1c9f93592b..9c51b8be0038 100644 --- a/drivers/net/vmxnet3/vmxnet3_int.h +++ b/drivers/net/vmxnet3/vmxnet3_int.h @@ -311,7 +311,7 @@ struct vmxnet3_intr { u8 num_intrs; /* # of intr vectors */ u8 event_intr_idx; /* idx of the intr vector for event */ u8 mod_levels[VMXNET3_LINUX_MAX_MSIX_VECT]; /* moderation level */ - char event_msi_vector_name[IFNAMSIZ+11]; + char event_msi_vector_name[IFNAMSIZ+17]; #ifdef CONFIG_PCI_MSI struct msix_entry msix_entries[VMXNET3_LINUX_MAX_MSIX_VECT]; #endif diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c index 6e2e760d98b1..0b75def39c6c 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c @@ -5704,7 +5704,7 @@ static void rt2800_init_freq_calibration(struct rt2x00_dev *rt2x00dev) static void rt2800_init_bbp_5592_glrt(struct rt2x00_dev *rt2x00dev) { - const u8 glrt_table[] = { + static const u8 glrt_table[] = { 0xE0, 0x1F, 0X38, 0x32, 0x08, 0x28, 0x19, 0x0A, 0xFF, 0x00, /* 128 ~ 137 */ 0x16, 0x10, 0x10, 0x0B, 0x36, 0x2C, 0x26, 0x24, 0x42, 0x36, /* 138 ~ 147 */ 0x30, 0x2D, 0x4C, 0x46, 0x3D, 0x40, 0x3E, 0x42, 0x3D, 0x40, /* 148 ~ 157 */ diff --git a/drivers/nvdimm/core.c b/drivers/nvdimm/core.c index 7cd99b1f8596..75bc08c6838c 100644 --- a/drivers/nvdimm/core.c +++ b/drivers/nvdimm/core.c @@ -421,14 +421,15 @@ static void set_badblock(struct badblocks *bb, sector_t s, int num) static void __add_badblock_range(struct badblocks *bb, u64 ns_offset, u64 len) { const unsigned int sector_size = 512; - sector_t start_sector; + sector_t start_sector, end_sector; u64 num_sectors; u32 rem; start_sector = div_u64(ns_offset, sector_size); - num_sectors = div_u64_rem(len, sector_size, &rem); + end_sector = div_u64_rem(ns_offset + len, sector_size, &rem); if (rem) - num_sectors++; + end_sector++; + num_sectors = end_sector - start_sector; if (unlikely(num_sectors > (u64)INT_MAX)) { u64 remaining = num_sectors; diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index cb96f4a7ae3a..3b77cfe5aa1e 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -336,7 +336,7 @@ static int nvme_get_stream_params(struct nvme_ctrl *ctrl, c.directive.opcode = nvme_admin_directive_recv; c.directive.nsid = cpu_to_le32(nsid); - c.directive.numd = sizeof(*s); + c.directive.numd = cpu_to_le32(sizeof(*s)); c.directive.doper = NVME_DIR_RCV_ST_OP_PARAM; c.directive.dtype = NVME_DIR_STREAMS; diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index d10d2f279d19..8569ee771269 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -539,7 +539,7 @@ static void nvme_dif_complete(u32 p, u32 v, struct t10_pi_tuple *pi) } #endif -static bool nvme_setup_prps(struct nvme_dev *dev, struct request *req) +static blk_status_t nvme_setup_prps(struct nvme_dev *dev, struct request *req) { struct nvme_iod *iod = blk_mq_rq_to_pdu(req); struct dma_pool *pool; @@ -556,7 +556,7 @@ static bool nvme_setup_prps(struct nvme_dev *dev, struct request *req) length -= (page_size - offset); if (length <= 0) - return true; + return BLK_STS_OK; dma_len -= (page_size - offset); if (dma_len) { @@ -569,7 +569,7 @@ static bool nvme_setup_prps(struct nvme_dev *dev, struct request *req) if (length <= page_size) { iod->first_dma = dma_addr; - return true; + return BLK_STS_OK; } nprps = DIV_ROUND_UP(length, page_size); @@ -585,7 +585,7 @@ static bool nvme_setup_prps(struct nvme_dev *dev, struct request *req) if (!prp_list) { iod->first_dma = dma_addr; iod->npages = -1; - return false; + return BLK_STS_RESOURCE; } list[0] = prp_list; iod->first_dma = prp_dma; @@ -595,7 +595,7 @@ static bool nvme_setup_prps(struct nvme_dev *dev, struct request *req) __le64 *old_prp_list = prp_list; prp_list = dma_pool_alloc(pool, GFP_ATOMIC, &prp_dma); if (!prp_list) - return false; + return BLK_STS_RESOURCE; list[iod->npages++] = prp_list; prp_list[0] = old_prp_list[i - 1]; old_prp_list[i - 1] = cpu_to_le64(prp_dma); @@ -609,13 +609,29 @@ static bool nvme_setup_prps(struct nvme_dev *dev, struct request *req) break; if (dma_len > 0) continue; - BUG_ON(dma_len < 0); + if (unlikely(dma_len < 0)) + goto bad_sgl; sg = sg_next(sg); dma_addr = sg_dma_address(sg); dma_len = sg_dma_len(sg); } - return true; + return BLK_STS_OK; + + bad_sgl: + if (WARN_ONCE(1, "Invalid SGL for payload:%d nents:%d\n", + blk_rq_payload_bytes(req), iod->nents)) { + for_each_sg(iod->sg, sg, iod->nents, i) { + dma_addr_t phys = sg_phys(sg); + pr_warn("sg[%d] phys_addr:%pad offset:%d length:%d " + "dma_address:%pad dma_length:%d\n", i, &phys, + sg->offset, sg->length, + &sg_dma_address(sg), + sg_dma_len(sg)); + } + } + return BLK_STS_IOERR; + } static blk_status_t nvme_map_data(struct nvme_dev *dev, struct request *req, @@ -637,7 +653,8 @@ static blk_status_t nvme_map_data(struct nvme_dev *dev, struct request *req, DMA_ATTR_NO_WARN)) goto out; - if (!nvme_setup_prps(dev, req)) + ret = nvme_setup_prps(dev, req); + if (ret != BLK_STS_OK) goto out_unmap; ret = BLK_STS_IOERR; @@ -2282,7 +2299,7 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id) result = nvme_dev_map(dev); if (result) - goto free; + goto put_pci; INIT_WORK(&dev->ctrl.reset_work, nvme_reset_work); INIT_WORK(&dev->remove_work, nvme_remove_dead_ctrl_work); @@ -2291,7 +2308,7 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id) result = nvme_setup_prp_pools(dev); if (result) - goto put_pci; + goto unmap; quirks |= check_dell_samsung_bug(pdev); @@ -2308,9 +2325,10 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id) release_pools: nvme_release_prp_pools(dev); + unmap: + nvme_dev_unmap(dev); put_pci: put_device(dev->dev); - nvme_dev_unmap(dev); free: kfree(dev->queues); kfree(dev); @@ -2466,6 +2484,9 @@ static const struct pci_device_id nvme_id_table[] = { { PCI_VDEVICE(INTEL, 0x0a54), .driver_data = NVME_QUIRK_STRIPE_SIZE | NVME_QUIRK_DEALLOCATE_ZEROES, }, + { PCI_VDEVICE(INTEL, 0x0a55), + .driver_data = NVME_QUIRK_STRIPE_SIZE | + NVME_QUIRK_DEALLOCATE_ZEROES, }, { PCI_VDEVICE(INTEL, 0xf1a5), /* Intel 600P/P3100 */ .driver_data = NVME_QUIRK_NO_DEEPEST_PS }, { PCI_VDEVICE(INTEL, 0x5845), /* Qemu emulated controller */ diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c index 35f930db3c02..2d7a98ab53fb 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -168,11 +168,21 @@ out: nvmet_req_complete(req, status); } +static void copy_and_pad(char *dst, int dst_len, const char *src, int src_len) +{ + int len = min(src_len, dst_len); + + memcpy(dst, src, len); + if (dst_len > len) + memset(dst + len, ' ', dst_len - len); +} + static void nvmet_execute_identify_ctrl(struct nvmet_req *req) { struct nvmet_ctrl *ctrl = req->sq->ctrl; struct nvme_id_ctrl *id; u16 status = 0; + const char model[] = "Linux"; id = kzalloc(sizeof(*id), GFP_KERNEL); if (!id) { @@ -184,8 +194,10 @@ static void nvmet_execute_identify_ctrl(struct nvmet_req *req) id->vid = 0; id->ssvid = 0; - memset(id->sn, ' ', sizeof(id->sn)); - snprintf(id->sn, sizeof(id->sn), "%llx", ctrl->serial); + bin2hex(id->sn, &ctrl->subsys->serial, + min(sizeof(ctrl->subsys->serial), sizeof(id->sn) / 2)); + copy_and_pad(id->mn, sizeof(id->mn), model, sizeof(model) - 1); + copy_and_pad(id->fr, sizeof(id->fr), UTS_RELEASE, strlen(UTS_RELEASE)); memset(id->mn, ' ', sizeof(id->mn)); strncpy((char *)id->mn, "Linux", sizeof(id->mn)); diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c index a358ecd93e11..0a0067e771f5 100644 --- a/drivers/nvme/target/configfs.c +++ b/drivers/nvme/target/configfs.c @@ -650,7 +650,7 @@ out_unlock: CONFIGFS_ATTR(nvmet_subsys_, attr_allow_any_host); -static ssize_t nvmet_subsys_version_show(struct config_item *item, +static ssize_t nvmet_subsys_attr_version_show(struct config_item *item, char *page) { struct nvmet_subsys *subsys = to_subsys(item); @@ -666,7 +666,7 @@ static ssize_t nvmet_subsys_version_show(struct config_item *item, (int)NVME_MINOR(subsys->ver)); } -static ssize_t nvmet_subsys_version_store(struct config_item *item, +static ssize_t nvmet_subsys_attr_version_store(struct config_item *item, const char *page, size_t count) { struct nvmet_subsys *subsys = to_subsys(item); @@ -684,11 +684,33 @@ static ssize_t nvmet_subsys_version_store(struct config_item *item, return count; } -CONFIGFS_ATTR(nvmet_subsys_, version); +CONFIGFS_ATTR(nvmet_subsys_, attr_version); + +static ssize_t nvmet_subsys_attr_serial_show(struct config_item *item, + char *page) +{ + struct nvmet_subsys *subsys = to_subsys(item); + + return snprintf(page, PAGE_SIZE, "%llx\n", subsys->serial); +} + +static ssize_t nvmet_subsys_attr_serial_store(struct config_item *item, + const char *page, size_t count) +{ + struct nvmet_subsys *subsys = to_subsys(item); + + down_write(&nvmet_config_sem); + sscanf(page, "%llx\n", &subsys->serial); + up_write(&nvmet_config_sem); + + return count; +} +CONFIGFS_ATTR(nvmet_subsys_, attr_serial); static struct configfs_attribute *nvmet_subsys_attrs[] = { &nvmet_subsys_attr_attr_allow_any_host, - &nvmet_subsys_attr_version, + &nvmet_subsys_attr_attr_version, + &nvmet_subsys_attr_attr_serial, NULL, }; diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index b5b4ac103748..f4b02bb4a1a8 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -767,9 +767,6 @@ u16 nvmet_alloc_ctrl(const char *subsysnqn, const char *hostnqn, memcpy(ctrl->subsysnqn, subsysnqn, NVMF_NQN_SIZE); memcpy(ctrl->hostnqn, hostnqn, NVMF_NQN_SIZE); - /* generate a random serial number as our controllers are ephemeral: */ - get_random_bytes(&ctrl->serial, sizeof(ctrl->serial)); - kref_init(&ctrl->ref); ctrl->subsys = subsys; @@ -928,6 +925,8 @@ struct nvmet_subsys *nvmet_subsys_alloc(const char *subsysnqn, return NULL; subsys->ver = NVME_VS(1, 3, 0); /* NVMe 1.3.0 */ + /* generate a random serial number as our controllers are ephemeral: */ + get_random_bytes(&subsys->serial, sizeof(subsys->serial)); switch (type) { case NVME_NQN_NVME: diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c index 1e6dcc241b3c..d5801c150b1c 100644 --- a/drivers/nvme/target/fc.c +++ b/drivers/nvme/target/fc.c @@ -1174,14 +1174,14 @@ nvmet_fc_ls_create_association(struct nvmet_fc_tgtport *tgtport, */ if (iod->rqstdatalen < FCNVME_LSDESC_CRA_RQST_MINLEN) ret = VERR_CR_ASSOC_LEN; - else if (rqst->desc_list_len < - cpu_to_be32(FCNVME_LSDESC_CRA_RQST_MIN_LISTLEN)) + else if (be32_to_cpu(rqst->desc_list_len) < + FCNVME_LSDESC_CRA_RQST_MIN_LISTLEN) ret = VERR_CR_ASSOC_RQST_LEN; else if (rqst->assoc_cmd.desc_tag != cpu_to_be32(FCNVME_LSDESC_CREATE_ASSOC_CMD)) ret = VERR_CR_ASSOC_CMD; - else if (rqst->assoc_cmd.desc_len < - cpu_to_be32(FCNVME_LSDESC_CRA_CMD_DESC_MIN_DESCLEN)) + else if (be32_to_cpu(rqst->assoc_cmd.desc_len) < + FCNVME_LSDESC_CRA_CMD_DESC_MIN_DESCLEN) ret = VERR_CR_ASSOC_CMD_LEN; else if (!rqst->assoc_cmd.ersp_ratio || (be16_to_cpu(rqst->assoc_cmd.ersp_ratio) >= diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index 747bbdb4f9c6..e3b244c7e443 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -112,7 +112,6 @@ struct nvmet_ctrl { struct mutex lock; u64 cap; - u64 serial; u32 cc; u32 csts; @@ -152,6 +151,7 @@ struct nvmet_subsys { u16 max_qid; u64 ver; + u64 serial; char *subsysnqn; struct config_group group; diff --git a/drivers/nvmem/rockchip-efuse.c b/drivers/nvmem/rockchip-efuse.c index a0d4ede9b8fc..63e3eb55f3ac 100644 --- a/drivers/nvmem/rockchip-efuse.c +++ b/drivers/nvmem/rockchip-efuse.c @@ -170,7 +170,7 @@ static const struct of_device_id rockchip_efuse_match[] = { .data = (void *)&rockchip_rk3288_efuse_read, }, { - .compatible = "rockchip,rk322x-efuse", + .compatible = "rockchip,rk3228-efuse", .data = (void *)&rockchip_rk3288_efuse_read, }, { diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c index 077f62e208aa..6a4367cc9caa 100644 --- a/drivers/scsi/cxlflash/main.c +++ b/drivers/scsi/cxlflash/main.c @@ -3401,9 +3401,10 @@ static int cxlflash_afu_debug(struct cxlflash_cfg *cfg, if (is_write) { req_flags |= SISL_REQ_FLAGS_HOST_WRITE; - rc = copy_from_user(kbuf, ubuf, ulen); - if (unlikely(rc)) + if (copy_from_user(kbuf, ubuf, ulen)) { + rc = -EFAULT; goto out; + } } } @@ -3431,8 +3432,10 @@ static int cxlflash_afu_debug(struct cxlflash_cfg *cfg, goto out; } - if (ulen && !is_write) - rc = copy_to_user(ubuf, kbuf, ulen); + if (ulen && !is_write) { + if (copy_to_user(ubuf, kbuf, ulen)) + rc = -EFAULT; + } out: kfree(buf); dev_dbg(dev, "%s: returning rc=%d\n", __func__, rc); diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index 551d103c27f1..2bfea7082e3a 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -1693,7 +1693,7 @@ static int prep_ssp_v2_hw(struct hisi_hba *hisi_hba, static int parse_trans_tx_err_code_v2_hw(u32 err_msk) { - const u8 trans_tx_err_code_prio[] = { + static const u8 trans_tx_err_code_prio[] = { TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS, TRANS_TX_ERR_PHY_NOT_ENABLE, TRANS_TX_OPEN_CNX_ERR_WRONG_DESTINATION, @@ -1738,7 +1738,7 @@ static int parse_trans_tx_err_code_v2_hw(u32 err_msk) static int parse_trans_rx_err_code_v2_hw(u32 err_msk) { - const u8 trans_rx_err_code_prio[] = { + static const u8 trans_rx_err_code_prio[] = { TRANS_RX_ERR_WITH_RXFRAME_CRC_ERR, TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR, TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM, @@ -1784,7 +1784,7 @@ static int parse_trans_rx_err_code_v2_hw(u32 err_msk) static int parse_dma_tx_err_code_v2_hw(u32 err_msk) { - const u8 dma_tx_err_code_prio[] = { + static const u8 dma_tx_err_code_prio[] = { DMA_TX_UNEXP_XFER_ERR, DMA_TX_UNEXP_RETRANS_ERR, DMA_TX_XFER_LEN_OVERFLOW, @@ -1810,7 +1810,7 @@ static int parse_dma_tx_err_code_v2_hw(u32 err_msk) static int parse_sipc_rx_err_code_v2_hw(u32 err_msk) { - const u8 sipc_rx_err_code_prio[] = { + static const u8 sipc_rx_err_code_prio[] = { SIPC_RX_FIS_STATUS_ERR_BIT_VLD, SIPC_RX_PIO_WRSETUP_STATUS_DRQ_ERR, SIPC_RX_FIS_STATUS_BSY_BIT_ERR, @@ -1836,7 +1836,7 @@ static int parse_sipc_rx_err_code_v2_hw(u32 err_msk) static int parse_dma_rx_err_code_v2_hw(u32 err_msk) { - const u8 dma_rx_err_code_prio[] = { + static const u8 dma_rx_err_code_prio[] = { DMA_RX_UNKNOWN_FRM_ERR, DMA_RX_DATA_LEN_OVERFLOW, DMA_RX_DATA_LEN_UNDERFLOW, diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index 47f66e949745..ed197bc8e801 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -213,7 +213,7 @@ static void sci_task_request_build_ssp_task_iu(struct isci_request *ireq) * @task_context: * */ -static void scu_ssp_reqeust_construct_task_context( +static void scu_ssp_request_construct_task_context( struct isci_request *ireq, struct scu_task_context *task_context) { @@ -425,7 +425,7 @@ static void scu_ssp_io_request_construct_task_context(struct isci_request *ireq, u8 prot_type = scsi_get_prot_type(scmd); u8 prot_op = scsi_get_prot_op(scmd); - scu_ssp_reqeust_construct_task_context(ireq, task_context); + scu_ssp_request_construct_task_context(ireq, task_context); task_context->ssp_command_iu_length = sizeof(struct ssp_cmd_iu) / sizeof(u32); @@ -472,7 +472,7 @@ static void scu_ssp_task_request_construct_task_context(struct isci_request *ire { struct scu_task_context *task_context = ireq->tc; - scu_ssp_reqeust_construct_task_context(ireq, task_context); + scu_ssp_request_construct_task_context(ireq, task_context); task_context->control_frame = 1; task_context->priority = SCU_TASK_PRIORITY_HIGH; @@ -495,7 +495,7 @@ static void scu_ssp_task_request_construct_task_context(struct isci_request *ire * the command buffer is complete. none Revisit task context construction to * determine what is common for SSP/SMP/STP task context structures. */ -static void scu_sata_reqeust_construct_task_context( +static void scu_sata_request_construct_task_context( struct isci_request *ireq, struct scu_task_context *task_context) { @@ -562,7 +562,7 @@ static void scu_stp_raw_request_construct_task_context(struct isci_request *ireq { struct scu_task_context *task_context = ireq->tc; - scu_sata_reqeust_construct_task_context(ireq, task_context); + scu_sata_request_construct_task_context(ireq, task_context); task_context->control_frame = 0; task_context->priority = SCU_TASK_PRIORITY_NORMAL; @@ -613,7 +613,7 @@ static void sci_stp_optimized_request_construct(struct isci_request *ireq, struct scu_task_context *task_context = ireq->tc; /* Build the STP task context structure */ - scu_sata_reqeust_construct_task_context(ireq, task_context); + scu_sata_request_construct_task_context(ireq, task_context); /* Copy over the SGL elements */ sci_request_build_sgl(ireq); @@ -1401,7 +1401,7 @@ static enum sci_status sci_stp_request_pio_data_out_transmit_data(struct isci_re * @data_buffer: The buffer of data to be copied. * @length: The length of the data transfer. * - * Copy the data from the buffer for the length specified to the IO reqeust SGL + * Copy the data from the buffer for the length specified to the IO request SGL * specified data region. enum sci_status */ static enum sci_status diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c index fd501f8dbb11..8660f923ace0 100644 --- a/drivers/scsi/libfc/fc_disc.c +++ b/drivers/scsi/libfc/fc_disc.c @@ -573,7 +573,7 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp, event = DISC_EV_FAILED; } if (error) - fc_disc_error(disc, fp); + fc_disc_error(disc, ERR_PTR(error)); else if (event != DISC_EV_NONE) fc_disc_done(disc, event); fc_frame_free(fp); diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index b58bba4604e8..7786c97e033f 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -1227,7 +1227,7 @@ static void qedf_rport_event_handler(struct fc_lport *lport, if (rdata->spp_type != FC_TYPE_FCP) { QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, - "Not offlading since since spp type isn't FCP\n"); + "Not offloading since spp type isn't FCP\n"); break; } if (!(rdata->ids.roles & FC_RPORT_ROLE_FCP_TARGET)) { diff --git a/drivers/scsi/qedi/qedi.h b/drivers/scsi/qedi/qedi.h index 32632c9b2276..91d2f51c351b 100644 --- a/drivers/scsi/qedi/qedi.h +++ b/drivers/scsi/qedi/qedi.h @@ -23,11 +23,17 @@ #include <linux/qed/qed_iscsi_if.h> #include <linux/qed/qed_ll2_if.h> #include "qedi_version.h" +#include "qedi_nvm_iscsi_cfg.h" #define QEDI_MODULE_NAME "qedi" struct qedi_endpoint; +#ifndef GET_FIELD2 +#define GET_FIELD2(value, name) \ + (((value) & (name ## _MASK)) >> (name ## _OFFSET)) +#endif + /* * PCI function probe defines */ @@ -66,6 +72,11 @@ struct qedi_endpoint; #define QEDI_HW_DMA_BOUNDARY 0xfff #define QEDI_PATH_HANDLE 0xFE0000000UL +enum qedi_nvm_tgts { + QEDI_NVM_TGT_PRI, + QEDI_NVM_TGT_SEC, +}; + struct qedi_uio_ctrl { /* meta data */ u32 uio_hsi_version; @@ -283,6 +294,8 @@ struct qedi_ctx { void *bdq_pbl_list; dma_addr_t bdq_pbl_list_dma; u8 bdq_pbl_list_num_entries; + struct nvm_iscsi_cfg *iscsi_cfg; + dma_addr_t nvm_buf_dma; void __iomem *bdq_primary_prod; void __iomem *bdq_secondary_prod; u16 bdq_prod_idx; @@ -337,6 +350,10 @@ struct qedi_ctx { bool use_fast_sge; atomic_t num_offloads; +#define SYSFS_FLAG_FW_SEL_BOOT 2 +#define IPV6_LEN 41 +#define IPV4_LEN 17 + struct iscsi_boot_kset *boot_kset; }; struct qedi_work { diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c index 19254bd739d9..93d54acd4a22 100644 --- a/drivers/scsi/qedi/qedi_fw.c +++ b/drivers/scsi/qedi/qedi_fw.c @@ -1411,7 +1411,7 @@ static void qedi_tmf_work(struct work_struct *work) list_work = kzalloc(sizeof(*list_work), GFP_ATOMIC); if (!list_work) { - QEDI_ERR(&qedi->dbg_ctx, "Memory alloction failed\n"); + QEDI_ERR(&qedi->dbg_ctx, "Memory allocation failed\n"); goto abort_ret; } diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index 5f5a4ef2e529..2c3783684815 100644 --- a/drivers/scsi/qedi/qedi_main.c +++ b/drivers/scsi/qedi/qedi_main.c @@ -19,6 +19,7 @@ #include <linux/mm.h> #include <linux/if_vlan.h> #include <linux/cpu.h> +#include <linux/iscsi_boot_sysfs.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_device.h> @@ -1143,6 +1144,30 @@ exit_setup_int: return rc; } +static void qedi_free_nvm_iscsi_cfg(struct qedi_ctx *qedi) +{ + if (qedi->iscsi_cfg) + dma_free_coherent(&qedi->pdev->dev, + sizeof(struct nvm_iscsi_cfg), + qedi->iscsi_cfg, qedi->nvm_buf_dma); +} + +static int qedi_alloc_nvm_iscsi_cfg(struct qedi_ctx *qedi) +{ + qedi->iscsi_cfg = dma_zalloc_coherent(&qedi->pdev->dev, + sizeof(struct nvm_iscsi_cfg), + &qedi->nvm_buf_dma, GFP_KERNEL); + if (!qedi->iscsi_cfg) { + QEDI_ERR(&qedi->dbg_ctx, "Could not allocate NVM BUF.\n"); + return -ENOMEM; + } + QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO, + "NVM BUF addr=0x%p dma=0x%llx.\n", qedi->iscsi_cfg, + qedi->nvm_buf_dma); + + return 0; +} + static void qedi_free_bdq(struct qedi_ctx *qedi) { int i; @@ -1183,6 +1208,7 @@ static void qedi_free_global_queues(struct qedi_ctx *qedi) kfree(gl[i]); } qedi_free_bdq(qedi); + qedi_free_nvm_iscsi_cfg(qedi); } static int qedi_alloc_bdq(struct qedi_ctx *qedi) @@ -1309,6 +1335,11 @@ static int qedi_alloc_global_queues(struct qedi_ctx *qedi) if (rc) goto mem_alloc_failure; + /* Allocate DMA coherent buffers for NVM_ISCSI_CFG */ + rc = qedi_alloc_nvm_iscsi_cfg(qedi); + if (rc) + goto mem_alloc_failure; + /* Allocate a CQ and an associated PBL for each MSI-X * vector. */ @@ -1671,6 +1702,387 @@ void qedi_reset_host_mtu(struct qedi_ctx *qedi, u16 mtu) qedi_ops->ll2->start(qedi->cdev, ¶ms); } +/** + * qedi_get_nvram_block: - Scan through the iSCSI NVRAM block (while accounting + * for gaps) for the matching absolute-pf-id of the QEDI device. + */ +static struct nvm_iscsi_block * +qedi_get_nvram_block(struct qedi_ctx *qedi) +{ + int i; + u8 pf; + u32 flags; + struct nvm_iscsi_block *block; + + pf = qedi->dev_info.common.abs_pf_id; + block = &qedi->iscsi_cfg->block[0]; + for (i = 0; i < NUM_OF_ISCSI_PF_SUPPORTED; i++, block++) { + flags = ((block->id) & NVM_ISCSI_CFG_BLK_CTRL_FLAG_MASK) >> + NVM_ISCSI_CFG_BLK_CTRL_FLAG_OFFSET; + if (flags & (NVM_ISCSI_CFG_BLK_CTRL_FLAG_IS_NOT_EMPTY | + NVM_ISCSI_CFG_BLK_CTRL_FLAG_PF_MAPPED) && + (pf == (block->id & NVM_ISCSI_CFG_BLK_MAPPED_PF_ID_MASK) + >> NVM_ISCSI_CFG_BLK_MAPPED_PF_ID_OFFSET)) + return block; + } + return NULL; +} + +static ssize_t qedi_show_boot_eth_info(void *data, int type, char *buf) +{ + struct qedi_ctx *qedi = data; + struct nvm_iscsi_initiator *initiator; + char *str = buf; + int rc = 1; + u32 ipv6_en, dhcp_en, ip_len; + struct nvm_iscsi_block *block; + char *fmt, *ip, *sub, *gw; + + block = qedi_get_nvram_block(qedi); + if (!block) + return 0; + + initiator = &block->initiator; + ipv6_en = block->generic.ctrl_flags & + NVM_ISCSI_CFG_GEN_IPV6_ENABLED; + dhcp_en = block->generic.ctrl_flags & + NVM_ISCSI_CFG_GEN_DHCP_TCPIP_CONFIG_ENABLED; + /* Static IP assignments. */ + fmt = ipv6_en ? "%pI6\n" : "%pI4\n"; + ip = ipv6_en ? initiator->ipv6.addr.byte : initiator->ipv4.addr.byte; + ip_len = ipv6_en ? IPV6_LEN : IPV4_LEN; + sub = ipv6_en ? initiator->ipv6.subnet_mask.byte : + initiator->ipv4.subnet_mask.byte; + gw = ipv6_en ? initiator->ipv6.gateway.byte : + initiator->ipv4.gateway.byte; + /* DHCP IP adjustments. */ + fmt = dhcp_en ? "%s\n" : fmt; + if (dhcp_en) { + ip = ipv6_en ? "0::0" : "0.0.0.0"; + sub = ip; + gw = ip; + ip_len = ipv6_en ? 5 : 8; + } + + switch (type) { + case ISCSI_BOOT_ETH_IP_ADDR: + rc = snprintf(str, ip_len, fmt, ip); + break; + case ISCSI_BOOT_ETH_SUBNET_MASK: + rc = snprintf(str, ip_len, fmt, sub); + break; + case ISCSI_BOOT_ETH_GATEWAY: + rc = snprintf(str, ip_len, fmt, gw); + break; + case ISCSI_BOOT_ETH_FLAGS: + rc = snprintf(str, 3, "%hhd\n", + SYSFS_FLAG_FW_SEL_BOOT); + break; + case ISCSI_BOOT_ETH_INDEX: + rc = snprintf(str, 3, "0\n"); + break; + case ISCSI_BOOT_ETH_MAC: + rc = sysfs_format_mac(str, qedi->mac, ETH_ALEN); + break; + case ISCSI_BOOT_ETH_VLAN: + rc = snprintf(str, 12, "%d\n", + GET_FIELD2(initiator->generic_cont0, + NVM_ISCSI_CFG_INITIATOR_VLAN)); + break; + case ISCSI_BOOT_ETH_ORIGIN: + if (dhcp_en) + rc = snprintf(str, 3, "3\n"); + break; + default: + rc = 0; + break; + } + + return rc; +} + +static umode_t qedi_eth_get_attr_visibility(void *data, int type) +{ + int rc = 1; + + switch (type) { + case ISCSI_BOOT_ETH_FLAGS: + case ISCSI_BOOT_ETH_MAC: + case ISCSI_BOOT_ETH_INDEX: + case ISCSI_BOOT_ETH_IP_ADDR: + case ISCSI_BOOT_ETH_SUBNET_MASK: + case ISCSI_BOOT_ETH_GATEWAY: + case ISCSI_BOOT_ETH_ORIGIN: + case ISCSI_BOOT_ETH_VLAN: + rc = 0444; + break; + default: + rc = 0; + break; + } + return rc; +} + +static ssize_t qedi_show_boot_ini_info(void *data, int type, char *buf) +{ + struct qedi_ctx *qedi = data; + struct nvm_iscsi_initiator *initiator; + char *str = buf; + int rc; + struct nvm_iscsi_block *block; + + block = qedi_get_nvram_block(qedi); + if (!block) + return 0; + + initiator = &block->initiator; + + switch (type) { + case ISCSI_BOOT_INI_INITIATOR_NAME: + rc = snprintf(str, NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, "%s\n", + initiator->initiator_name.byte); + break; + default: + rc = 0; + break; + } + return rc; +} + +static umode_t qedi_ini_get_attr_visibility(void *data, int type) +{ + int rc; + + switch (type) { + case ISCSI_BOOT_INI_INITIATOR_NAME: + rc = 0444; + break; + default: + rc = 0; + break; + } + return rc; +} + +static ssize_t +qedi_show_boot_tgt_info(struct qedi_ctx *qedi, int type, + char *buf, enum qedi_nvm_tgts idx) +{ + char *str = buf; + int rc = 1; + u32 ctrl_flags, ipv6_en, chap_en, mchap_en, ip_len; + struct nvm_iscsi_block *block; + char *chap_name, *chap_secret; + char *mchap_name, *mchap_secret; + + block = qedi_get_nvram_block(qedi); + if (!block) + goto exit_show_tgt_info; + + QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_EVT, + "Port:%d, tgt_idx:%d\n", + GET_FIELD2(block->id, NVM_ISCSI_CFG_BLK_MAPPED_PF_ID), idx); + + ctrl_flags = block->target[idx].ctrl_flags & + NVM_ISCSI_CFG_TARGET_ENABLED; + + if (!ctrl_flags) { + QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_EVT, + "Target disabled\n"); + goto exit_show_tgt_info; + } + + ipv6_en = block->generic.ctrl_flags & + NVM_ISCSI_CFG_GEN_IPV6_ENABLED; + ip_len = ipv6_en ? IPV6_LEN : IPV4_LEN; + chap_en = block->generic.ctrl_flags & + NVM_ISCSI_CFG_GEN_CHAP_ENABLED; + chap_name = chap_en ? block->initiator.chap_name.byte : NULL; + chap_secret = chap_en ? block->initiator.chap_password.byte : NULL; + + mchap_en = block->generic.ctrl_flags & + NVM_ISCSI_CFG_GEN_CHAP_MUTUAL_ENABLED; + mchap_name = mchap_en ? block->target[idx].chap_name.byte : NULL; + mchap_secret = mchap_en ? block->target[idx].chap_password.byte : NULL; + + switch (type) { + case ISCSI_BOOT_TGT_NAME: + rc = snprintf(str, NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, "%s\n", + block->target[idx].target_name.byte); + break; + case ISCSI_BOOT_TGT_IP_ADDR: + if (ipv6_en) + rc = snprintf(str, ip_len, "%pI6\n", + block->target[idx].ipv6_addr.byte); + else + rc = snprintf(str, ip_len, "%pI4\n", + block->target[idx].ipv4_addr.byte); + break; + case ISCSI_BOOT_TGT_PORT: + rc = snprintf(str, 12, "%d\n", + GET_FIELD2(block->target[idx].generic_cont0, + NVM_ISCSI_CFG_TARGET_TCP_PORT)); + break; + case ISCSI_BOOT_TGT_LUN: + rc = snprintf(str, 22, "%.*d\n", + block->target[idx].lun.value[1], + block->target[idx].lun.value[0]); + break; + case ISCSI_BOOT_TGT_CHAP_NAME: + rc = snprintf(str, NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, "%s\n", + chap_name); + break; + case ISCSI_BOOT_TGT_CHAP_SECRET: + rc = snprintf(str, NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN, "%s\n", + chap_secret); + break; + case ISCSI_BOOT_TGT_REV_CHAP_NAME: + rc = snprintf(str, NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, "%s\n", + mchap_name); + break; + case ISCSI_BOOT_TGT_REV_CHAP_SECRET: + rc = snprintf(str, NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN, "%s\n", + mchap_secret); + break; + case ISCSI_BOOT_TGT_FLAGS: + rc = snprintf(str, 3, "%hhd\n", SYSFS_FLAG_FW_SEL_BOOT); + break; + case ISCSI_BOOT_TGT_NIC_ASSOC: + rc = snprintf(str, 3, "0\n"); + break; + default: + rc = 0; + break; + } + +exit_show_tgt_info: + return rc; +} + +static ssize_t qedi_show_boot_tgt_pri_info(void *data, int type, char *buf) +{ + struct qedi_ctx *qedi = data; + + return qedi_show_boot_tgt_info(qedi, type, buf, QEDI_NVM_TGT_PRI); +} + +static ssize_t qedi_show_boot_tgt_sec_info(void *data, int type, char *buf) +{ + struct qedi_ctx *qedi = data; + + return qedi_show_boot_tgt_info(qedi, type, buf, QEDI_NVM_TGT_SEC); +} + +static umode_t qedi_tgt_get_attr_visibility(void *data, int type) +{ + int rc; + + switch (type) { + case ISCSI_BOOT_TGT_NAME: + case ISCSI_BOOT_TGT_IP_ADDR: + case ISCSI_BOOT_TGT_PORT: + case ISCSI_BOOT_TGT_LUN: + case ISCSI_BOOT_TGT_CHAP_NAME: + case ISCSI_BOOT_TGT_CHAP_SECRET: + case ISCSI_BOOT_TGT_REV_CHAP_NAME: + case ISCSI_BOOT_TGT_REV_CHAP_SECRET: + case ISCSI_BOOT_TGT_NIC_ASSOC: + case ISCSI_BOOT_TGT_FLAGS: + rc = 0444; + break; + default: + rc = 0; + break; + } + return rc; +} + +static void qedi_boot_release(void *data) +{ + struct qedi_ctx *qedi = data; + + scsi_host_put(qedi->shost); +} + +static int qedi_get_boot_info(struct qedi_ctx *qedi) +{ + int ret = 1; + u16 len; + + len = sizeof(struct nvm_iscsi_cfg); + + QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO, + "Get NVM iSCSI CFG image\n"); + ret = qedi_ops->common->nvm_get_image(qedi->cdev, + QED_NVM_IMAGE_ISCSI_CFG, + (char *)qedi->iscsi_cfg, len); + if (ret) + QEDI_ERR(&qedi->dbg_ctx, + "Could not get NVM image. ret = %d\n", ret); + + return ret; +} + +static int qedi_setup_boot_info(struct qedi_ctx *qedi) +{ + struct iscsi_boot_kobj *boot_kobj; + + if (qedi_get_boot_info(qedi)) + return -EPERM; + + qedi->boot_kset = iscsi_boot_create_host_kset(qedi->shost->host_no); + if (!qedi->boot_kset) + goto kset_free; + + if (!scsi_host_get(qedi->shost)) + goto kset_free; + + boot_kobj = iscsi_boot_create_target(qedi->boot_kset, 0, qedi, + qedi_show_boot_tgt_pri_info, + qedi_tgt_get_attr_visibility, + qedi_boot_release); + if (!boot_kobj) + goto put_host; + + if (!scsi_host_get(qedi->shost)) + goto kset_free; + + boot_kobj = iscsi_boot_create_target(qedi->boot_kset, 1, qedi, + qedi_show_boot_tgt_sec_info, + qedi_tgt_get_attr_visibility, + qedi_boot_release); + if (!boot_kobj) + goto put_host; + + if (!scsi_host_get(qedi->shost)) + goto kset_free; + + boot_kobj = iscsi_boot_create_initiator(qedi->boot_kset, 0, qedi, + qedi_show_boot_ini_info, + qedi_ini_get_attr_visibility, + qedi_boot_release); + if (!boot_kobj) + goto put_host; + + if (!scsi_host_get(qedi->shost)) + goto kset_free; + + boot_kobj = iscsi_boot_create_ethernet(qedi->boot_kset, 0, qedi, + qedi_show_boot_eth_info, + qedi_eth_get_attr_visibility, + qedi_boot_release); + if (!boot_kobj) + goto put_host; + + return 0; + +put_host: + scsi_host_put(qedi->shost); +kset_free: + iscsi_boot_destroy_kset(qedi->boot_kset); + return -ENOMEM; +} + static void __qedi_remove(struct pci_dev *pdev, int mode) { struct qedi_ctx *qedi = pci_get_drvdata(pdev); @@ -1724,6 +2136,9 @@ static void __qedi_remove(struct pci_dev *pdev, int mode) qedi->ll2_recv_thread = NULL; } qedi_ll2_free_skbs(qedi); + + if (qedi->boot_kset) + iscsi_boot_destroy_kset(qedi->boot_kset); } } @@ -1967,6 +2382,10 @@ static int __qedi_probe(struct pci_dev *pdev, int mode) /* F/w needs 1st task context memory entry for performance */ set_bit(QEDI_RESERVE_TASK_ID, qedi->task_idx_map); atomic_set(&qedi->num_offloads, 0); + + if (qedi_setup_boot_info(qedi)) + QEDI_ERR(&qedi->dbg_ctx, + "No iSCSI boot target configured\n"); } return 0; diff --git a/drivers/scsi/qedi/qedi_nvm_iscsi_cfg.h b/drivers/scsi/qedi/qedi_nvm_iscsi_cfg.h new file mode 100644 index 000000000000..df39b69b366d --- /dev/null +++ b/drivers/scsi/qedi/qedi_nvm_iscsi_cfg.h @@ -0,0 +1,210 @@ +/* + * QLogic iSCSI Offload Driver + * Copyright (c) 2016 Cavium Inc. + * + * This software is available under the terms of the GNU General Public License + * (GPL) Version 2, available from the file COPYING in the main directory of + * this source tree. + */ + +#ifndef NVM_ISCSI_CFG_H +#define NVM_ISCSI_CFG_H + +#define NUM_OF_ISCSI_TARGET_PER_PF 4 /* Defined as per the + * ISCSI IBFT constraint + */ +#define NUM_OF_ISCSI_PF_SUPPORTED 4 /* One PF per Port - + * assuming 4 port card + */ + +#define NVM_ISCSI_CFG_DHCP_NAME_MAX_LEN 256 + +union nvm_iscsi_dhcp_vendor_id { + u32 value[NVM_ISCSI_CFG_DHCP_NAME_MAX_LEN / 4]; + u8 byte[NVM_ISCSI_CFG_DHCP_NAME_MAX_LEN]; +}; + +#define NVM_ISCSI_IPV4_ADDR_BYTE_LEN 4 +union nvm_iscsi_ipv4_addr { + u32 addr; + u8 byte[NVM_ISCSI_IPV4_ADDR_BYTE_LEN]; +}; + +#define NVM_ISCSI_IPV6_ADDR_BYTE_LEN 16 +union nvm_iscsi_ipv6_addr { + u32 addr[4]; + u8 byte[NVM_ISCSI_IPV6_ADDR_BYTE_LEN]; +}; + +struct nvm_iscsi_initiator_ipv4 { + union nvm_iscsi_ipv4_addr addr; /* 0x0 */ + union nvm_iscsi_ipv4_addr subnet_mask; /* 0x4 */ + union nvm_iscsi_ipv4_addr gateway; /* 0x8 */ + union nvm_iscsi_ipv4_addr primary_dns; /* 0xC */ + union nvm_iscsi_ipv4_addr secondary_dns; /* 0x10 */ + union nvm_iscsi_ipv4_addr dhcp_addr; /* 0x14 */ + + union nvm_iscsi_ipv4_addr isns_server; /* 0x18 */ + union nvm_iscsi_ipv4_addr slp_server; /* 0x1C */ + union nvm_iscsi_ipv4_addr primay_radius_server; /* 0x20 */ + union nvm_iscsi_ipv4_addr secondary_radius_server; /* 0x24 */ + + union nvm_iscsi_ipv4_addr rsvd[4]; /* 0x28 */ +}; + +struct nvm_iscsi_initiator_ipv6 { + union nvm_iscsi_ipv6_addr addr; /* 0x0 */ + union nvm_iscsi_ipv6_addr subnet_mask; /* 0x10 */ + union nvm_iscsi_ipv6_addr gateway; /* 0x20 */ + union nvm_iscsi_ipv6_addr primary_dns; /* 0x30 */ + union nvm_iscsi_ipv6_addr secondary_dns; /* 0x40 */ + union nvm_iscsi_ipv6_addr dhcp_addr; /* 0x50 */ + + union nvm_iscsi_ipv6_addr isns_server; /* 0x60 */ + union nvm_iscsi_ipv6_addr slp_server; /* 0x70 */ + union nvm_iscsi_ipv6_addr primay_radius_server; /* 0x80 */ + union nvm_iscsi_ipv6_addr secondary_radius_server; /* 0x90 */ + + union nvm_iscsi_ipv6_addr rsvd[3]; /* 0xA0 */ + + u32 config; /* 0xD0 */ +#define NVM_ISCSI_CFG_INITIATOR_IPV6_SUBNET_MASK_PREFIX_MASK 0x000000FF +#define NVM_ISCSI_CFG_INITIATOR_IPV6_SUBNET_MASK_PREFIX_OFFSET 0 + + u32 rsvd_1[3]; +}; + +#define NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN 256 +union nvm_iscsi_name { + u32 value[NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN / 4]; + u8 byte[NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN]; +}; + +#define NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN 256 +union nvm_iscsi_chap_name { + u32 value[NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN / 4]; + u8 byte[NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN]; +}; + +#define NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN 16 /* md5 need per RFC1996 + * is 16 octets + */ +union nvm_iscsi_chap_password { + u32 value[NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN / 4]; + u8 byte[NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN]; +}; + +union nvm_iscsi_lun { + u8 byte[8]; + u32 value[2]; +}; + +struct nvm_iscsi_generic { + u32 ctrl_flags; /* 0x0 */ +#define NVM_ISCSI_CFG_GEN_CHAP_ENABLED BIT(0) +#define NVM_ISCSI_CFG_GEN_DHCP_TCPIP_CONFIG_ENABLED BIT(1) +#define NVM_ISCSI_CFG_GEN_DHCP_ISCSI_CONFIG_ENABLED BIT(2) +#define NVM_ISCSI_CFG_GEN_IPV6_ENABLED BIT(3) +#define NVM_ISCSI_CFG_GEN_IPV4_FALLBACK_ENABLED BIT(4) +#define NVM_ISCSI_CFG_GEN_ISNS_WORLD_LOGIN BIT(5) +#define NVM_ISCSI_CFG_GEN_ISNS_SELECTIVE_LOGIN BIT(6) +#define NVM_ISCSI_CFG_GEN_ADDR_REDIRECT_ENABLED BIT(7) +#define NVM_ISCSI_CFG_GEN_CHAP_MUTUAL_ENABLED BIT(8) + + u32 timeout; /* 0x4 */ +#define NVM_ISCSI_CFG_GEN_DHCP_REQUEST_TIMEOUT_MASK 0x0000FFFF +#define NVM_ISCSI_CFG_GEN_DHCP_REQUEST_TIMEOUT_OFFSET 0 +#define NVM_ISCSI_CFG_GEN_PORT_LOGIN_TIMEOUT_MASK 0xFFFF0000 +#define NVM_ISCSI_CFG_GEN_PORT_LOGIN_TIMEOUT_OFFSET 16 + + union nvm_iscsi_dhcp_vendor_id dhcp_vendor_id; /* 0x8 */ + u32 rsvd[62]; /* 0x108 */ +}; + +struct nvm_iscsi_initiator { + struct nvm_iscsi_initiator_ipv4 ipv4; /* 0x0 */ + struct nvm_iscsi_initiator_ipv6 ipv6; /* 0x38 */ + + union nvm_iscsi_name initiator_name; /* 0x118 */ + union nvm_iscsi_chap_name chap_name; /* 0x218 */ + union nvm_iscsi_chap_password chap_password; /* 0x318 */ + + u32 generic_cont0; /* 0x398 */ +#define NVM_ISCSI_CFG_INITIATOR_VLAN_MASK 0x0000FFFF +#define NVM_ISCSI_CFG_INITIATOR_VLAN_OFFSET 0 +#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_MASK 0x00030000 +#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_OFFSET 16 +#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_4 1 +#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_6 2 +#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_4_AND_6 3 + + u32 ctrl_flags; +#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_PRIORITY_V6 BIT(0) +#define NVM_ISCSI_CFG_INITIATOR_VLAN_ENABLED BIT(1) + + u32 rsvd[116]; /* 0x32C */ +}; + +struct nvm_iscsi_target { + u32 ctrl_flags; /* 0x0 */ +#define NVM_ISCSI_CFG_TARGET_ENABLED BIT(0) +#define NVM_ISCSI_CFG_BOOT_TIME_LOGIN_STATUS BIT(1) + + u32 generic_cont0; /* 0x4 */ +#define NVM_ISCSI_CFG_TARGET_TCP_PORT_MASK 0x0000FFFF +#define NVM_ISCSI_CFG_TARGET_TCP_PORT_OFFSET 0 + + u32 ip_ver; +#define NVM_ISCSI_CFG_IPv4 4 +#define NVM_ISCSI_CFG_IPv6 6 + + u32 rsvd_1[7]; /* 0x24 */ + union nvm_iscsi_ipv4_addr ipv4_addr; /* 0x28 */ + union nvm_iscsi_ipv6_addr ipv6_addr; /* 0x2C */ + union nvm_iscsi_lun lun; /* 0x3C */ + + union nvm_iscsi_name target_name; /* 0x44 */ + union nvm_iscsi_chap_name chap_name; /* 0x144 */ + union nvm_iscsi_chap_password chap_password; /* 0x244 */ + + u32 rsvd_2[107]; /* 0x2C4 */ +}; + +struct nvm_iscsi_block { + u32 id; /* 0x0 */ +#define NVM_ISCSI_CFG_BLK_MAPPED_PF_ID_MASK 0x0000000F +#define NVM_ISCSI_CFG_BLK_MAPPED_PF_ID_OFFSET 0 +#define NVM_ISCSI_CFG_BLK_CTRL_FLAG_MASK 0x00000FF0 +#define NVM_ISCSI_CFG_BLK_CTRL_FLAG_OFFSET 4 +#define NVM_ISCSI_CFG_BLK_CTRL_FLAG_IS_NOT_EMPTY BIT(0) +#define NVM_ISCSI_CFG_BLK_CTRL_FLAG_PF_MAPPED BIT(1) + + u32 rsvd_1[5]; /* 0x4 */ + + struct nvm_iscsi_generic generic; /* 0x18 */ + struct nvm_iscsi_initiator initiator; /* 0x218 */ + struct nvm_iscsi_target target[NUM_OF_ISCSI_TARGET_PER_PF]; + /* 0x718 */ + + u32 rsvd_2[58]; /* 0x1718 */ + /* total size - 0x1800 - 6K block */ +}; + +struct nvm_iscsi_cfg { + u32 id; /* 0x0 */ +#define NVM_ISCSI_CFG_BLK_VERSION_MINOR_MASK 0x000000FF +#define NVM_ISCSI_CFG_BLK_VERSION_MAJOR_MASK 0x0000FF00 +#define NVM_ISCSI_CFG_BLK_SIGNATURE_MASK 0xFFFF0000 +#define NVM_ISCSI_CFG_BLK_SIGNATURE 0x49430000 /* IC - Iscsi + * Config + */ + +#define NVM_ISCSI_CFG_BLK_VERSION_MAJOR 0 +#define NVM_ISCSI_CFG_BLK_VERSION_MINOR 10 +#define NVM_ISCSI_CFG_BLK_VERSION ((NVM_ISCSI_CFG_BLK_VERSION_MAJOR << 8) | \ + NVM_ISCSI_CFG_BLK_VERSION_MINOR) + + struct nvm_iscsi_block block[NUM_OF_ISCSI_PF_SUPPORTED]; /* 0x4 */ +}; + +#endif diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index c2dc836dc484..e101cd3043b9 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -3727,7 +3727,7 @@ static struct qla_tgt_cmd *qlt_ctio_to_cmd(struct scsi_qla_host *vha, h &= QLA_CMD_HANDLE_MASK; if (h != QLA_TGT_NULL_HANDLE) { - if (unlikely(h > req->num_outstanding_cmds)) { + if (unlikely(h >= req->num_outstanding_cmds)) { ql_dbg(ql_dbg_tgt, vha, 0xe052, "qla_target(%d): Wrong handle %x received\n", vha->vp_idx, handle); diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 21225d62b0c1..1e82d4128a84 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -758,8 +758,11 @@ static bool sg_is_valid_dxfer(sg_io_hdr_t *hp) if (hp->dxferp || hp->dxfer_len > 0) return false; return true; - case SG_DXFER_TO_DEV: case SG_DXFER_FROM_DEV: + if (hp->dxfer_len < 0) + return false; + return true; + case SG_DXFER_TO_DEV: case SG_DXFER_TO_FROM_DEV: if (!hp->dxferp || hp->dxfer_len == 0) return false; diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 8b93197daefe..9be211d68b15 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -837,6 +837,7 @@ static struct scsi_host_template virtscsi_host_template_multi = { .eh_abort_handler = virtscsi_abort, .eh_device_reset_handler = virtscsi_device_reset, .eh_timed_out = virtscsi_eh_timed_out, + .slave_alloc = virtscsi_device_alloc, .can_queue = 1024, .dma_boundary = UINT_MAX, diff --git a/drivers/spmi/spmi-pmic-arb.c b/drivers/spmi/spmi-pmic-arb.c index 2afe3597982e..f4b7a98a7913 100644 --- a/drivers/spmi/spmi-pmic-arb.c +++ b/drivers/spmi/spmi-pmic-arb.c @@ -134,7 +134,6 @@ struct apid_data { * @spmic: SPMI controller object * @ver_ops: version dependent operations. * @ppid_to_apid in-memory copy of PPID -> channel (APID) mapping table. - * v2 only. */ struct spmi_pmic_arb { void __iomem *rd_base; @@ -1016,6 +1015,13 @@ static int spmi_pmic_arb_probe(struct platform_device *pdev) goto err_put_ctrl; } + pa->ppid_to_apid = devm_kcalloc(&ctrl->dev, PMIC_ARB_MAX_PPID, + sizeof(*pa->ppid_to_apid), GFP_KERNEL); + if (!pa->ppid_to_apid) { + err = -ENOMEM; + goto err_put_ctrl; + } + hw_ver = readl_relaxed(core + PMIC_ARB_VERSION); if (hw_ver < PMIC_ARB_VERSION_V2_MIN) { @@ -1048,15 +1054,6 @@ static int spmi_pmic_arb_probe(struct platform_device *pdev) err = PTR_ERR(pa->wr_base); goto err_put_ctrl; } - - pa->ppid_to_apid = devm_kcalloc(&ctrl->dev, - PMIC_ARB_MAX_PPID, - sizeof(*pa->ppid_to_apid), - GFP_KERNEL); - if (!pa->ppid_to_apid) { - err = -ENOMEM; - goto err_put_ctrl; - } } dev_info(&ctrl->dev, "PMIC arbiter version %s (0x%x)\n", diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c index 2b9b0941d9eb..6d23226e5f69 100644 --- a/drivers/spmi/spmi.c +++ b/drivers/spmi/spmi.c @@ -365,11 +365,23 @@ static int spmi_drv_remove(struct device *dev) return 0; } +static int spmi_drv_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + int ret; + + ret = of_device_uevent_modalias(dev, env); + if (ret != -ENODEV) + return ret; + + return 0; +} + static struct bus_type spmi_bus_type = { .name = "spmi", .match = spmi_device_match, .probe = spmi_drv_probe, .remove = spmi_drv_remove, + .uevent = spmi_drv_uevent, }; /** diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 268d4e6ef48a..ef28a1cb64ae 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -110,4 +110,6 @@ source "drivers/staging/ccree/Kconfig" source "drivers/staging/typec/Kconfig" +source "drivers/staging/vboxvideo/Kconfig" + endif # STAGING diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index b93e6f5f0f6e..2918580bdb9e 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -44,3 +44,4 @@ obj-$(CONFIG_KS7010) += ks7010/ obj-$(CONFIG_GREYBUS) += greybus/ obj-$(CONFIG_BCM2835_VCHIQ) += vc04_services/ obj-$(CONFIG_CRYPTO_DEV_CCREE) += ccree/ +obj-$(CONFIG_DRM_VBOXVIDEO) += vboxvideo/ diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c index b2e382888981..2f7bfc1c59e5 100644 --- a/drivers/staging/comedi/drivers/ni_mio_common.c +++ b/drivers/staging/comedi/drivers/ni_mio_common.c @@ -3116,8 +3116,7 @@ static void ni_ao_cmd_set_update(struct comedi_device *dev, /* following line: 2-1 per STC */ ni_stc_writel(dev, 1, NISTC_AO_UI_LOADA_REG); ni_stc_writew(dev, NISTC_AO_CMD1_UI_LOAD, NISTC_AO_CMD1_REG); - /* following line: N-1 per STC */ - ni_stc_writel(dev, trigvar - 1, NISTC_AO_UI_LOADA_REG); + ni_stc_writel(dev, trigvar, NISTC_AO_UI_LOADA_REG); } else { /* TRIG_EXT */ /* FIXME: assert scan_begin_arg != 0, ret failure otherwise */ devpriv->ao_cmd2 |= NISTC_AO_CMD2_BC_GATE_ENA; diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c index 85b242ec5f9b..8fc191d99927 100644 --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c @@ -1640,8 +1640,13 @@ kiblnd_send(struct lnet_ni *ni, void *private, struct lnet_msg *lntmsg) ibmsg = tx->tx_msg; ibmsg->ibm_u.immediate.ibim_hdr = *hdr; - copy_from_iter(&ibmsg->ibm_u.immediate.ibim_payload, IBLND_MSG_SIZE, - &from); + rc = copy_from_iter(&ibmsg->ibm_u.immediate.ibim_payload, payload_nob, + &from); + if (rc != payload_nob) { + kiblnd_pool_free_node(&tx->tx_pool->tpo_pool, &tx->tx_list); + return -EFAULT; + } + nob = offsetof(struct kib_immediate_msg, ibim_payload[payload_nob]); kiblnd_init_tx_msg(ni, tx, IBLND_MSG_IMMEDIATE, nob); @@ -1741,8 +1746,14 @@ kiblnd_recv(struct lnet_ni *ni, void *private, struct lnet_msg *lntmsg, break; } - copy_to_iter(&rxmsg->ibm_u.immediate.ibim_payload, - IBLND_MSG_SIZE, to); + rc = copy_to_iter(&rxmsg->ibm_u.immediate.ibim_payload, rlen, + to); + if (rc != rlen) { + rc = -EFAULT; + break; + } + + rc = 0; lnet_finalize(ni, lntmsg, 0); break; diff --git a/drivers/staging/rtl8188eu/core/rtw_cmd.c b/drivers/staging/rtl8188eu/core/rtw_cmd.c index 002d09159896..a69007ef77bf 100644 --- a/drivers/staging/rtl8188eu/core/rtw_cmd.c +++ b/drivers/staging/rtl8188eu/core/rtw_cmd.c @@ -132,7 +132,7 @@ void rtw_free_cmd_obj(struct cmd_obj *pcmd) kfree(pcmd->parmbuf); } - if (!pcmd->rsp) { + if (pcmd->rsp) { if (pcmd->rspsz != 0) { /* free rsp in cmd_obj */ kfree(pcmd->rsp); diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c index 963235fd7292..d283341cfe43 100644 --- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c +++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c @@ -43,6 +43,7 @@ static struct usb_device_id rtw_usb_id_tbl[] = { {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */ {USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */ {USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */ + {USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */ {USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */ {} /* Terminating entry */ }; diff --git a/drivers/staging/sm750fb/ddk750_chip.c b/drivers/staging/sm750fb/ddk750_chip.c index 944dd25924be..4754f7a20684 100644 --- a/drivers/staging/sm750fb/ddk750_chip.c +++ b/drivers/staging/sm750fb/ddk750_chip.c @@ -40,7 +40,7 @@ static unsigned int get_mxclk_freq(void) pll_reg = peek32(MXCLK_PLL_CTRL); M = (pll_reg & PLL_CTRL_M_MASK) >> PLL_CTRL_M_SHIFT; - N = (pll_reg & PLL_CTRL_N_MASK) >> PLL_CTRL_M_SHIFT; + N = (pll_reg & PLL_CTRL_N_MASK) >> PLL_CTRL_N_SHIFT; OD = (pll_reg & PLL_CTRL_OD_MASK) >> PLL_CTRL_OD_SHIFT; POD = (pll_reg & PLL_CTRL_POD_MASK) >> PLL_CTRL_POD_SHIFT; diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c index 3aa4128703d5..67207b0554cd 100644 --- a/drivers/staging/sm750fb/sm750.c +++ b/drivers/staging/sm750fb/sm750.c @@ -1053,6 +1053,26 @@ release_fb: return err; } +static int lynxfb_kick_out_firmware_fb(struct pci_dev *pdev) +{ + struct apertures_struct *ap; + bool primary = false; + + ap = alloc_apertures(1); + if (!ap) + return -ENOMEM; + + ap->ranges[0].base = pci_resource_start(pdev, 0); + ap->ranges[0].size = pci_resource_len(pdev, 0); +#ifdef CONFIG_X86 + primary = pdev->resource[PCI_ROM_RESOURCE].flags & + IORESOURCE_ROM_SHADOW; +#endif + remove_conflicting_framebuffers(ap, "sm750_fb1", primary); + kfree(ap); + return 0; +} + static int lynxfb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { @@ -1061,6 +1081,10 @@ static int lynxfb_pci_probe(struct pci_dev *pdev, int fbidx; int err; + err = lynxfb_kick_out_firmware_fb(pdev); + if (err) + return err; + /* enable device */ err = pcim_enable_device(pdev); if (err) diff --git a/drivers/staging/speakup/main.c b/drivers/staging/speakup/main.c index 82e5de248947..67956e24779c 100644 --- a/drivers/staging/speakup/main.c +++ b/drivers/staging/speakup/main.c @@ -2314,6 +2314,7 @@ static void __exit speakup_exit(void) mutex_lock(&spk_mutex); synth_release(); mutex_unlock(&spk_mutex); + spk_ttyio_unregister_ldisc(); speakup_kobj_exit(); @@ -2376,6 +2377,7 @@ static int __init speakup_init(void) if (err) goto error_kobjects; + spk_ttyio_register_ldisc(); synth_init(synth_name); speakup_register_devsynth(); /* diff --git a/drivers/staging/speakup/spk_priv.h b/drivers/staging/speakup/spk_priv.h index 87b6a0a4c54d..046040ac074c 100644 --- a/drivers/staging/speakup/spk_priv.h +++ b/drivers/staging/speakup/spk_priv.h @@ -48,6 +48,8 @@ void spk_stop_serial_interrupt(void); int spk_wait_for_xmitr(struct spk_synth *in_synth); void spk_serial_release(void); void spk_ttyio_release(void); +void spk_ttyio_register_ldisc(void); +void spk_ttyio_unregister_ldisc(void); void synth_buffer_skip_nonlatin1(void); u16 synth_buffer_getc(void); diff --git a/drivers/staging/speakup/spk_ttyio.c b/drivers/staging/speakup/spk_ttyio.c index ed8e96b06ead..fe340b07c482 100644 --- a/drivers/staging/speakup/spk_ttyio.c +++ b/drivers/staging/speakup/spk_ttyio.c @@ -154,12 +154,6 @@ static int spk_ttyio_initialise_ldisc(struct spk_synth *synth) struct ktermios tmp_termios; dev_t dev; - ret = tty_register_ldisc(N_SPEAKUP, &spk_ttyio_ldisc_ops); - if (ret) { - pr_err("Error registering line discipline.\n"); - return ret; - } - ret = get_dev_to_use(synth, &dev); if (ret) return ret; @@ -196,10 +190,24 @@ static int spk_ttyio_initialise_ldisc(struct spk_synth *synth) tty_unlock(tty); ret = tty_set_ldisc(tty, N_SPEAKUP); + if (ret) + pr_err("speakup: Failed to set N_SPEAKUP on tty\n"); return ret; } +void spk_ttyio_register_ldisc(void) +{ + if (tty_register_ldisc(N_SPEAKUP, &spk_ttyio_ldisc_ops)) + pr_warn("speakup: Error registering line discipline. Most synths won't work.\n"); +} + +void spk_ttyio_unregister_ldisc(void) +{ + if (tty_unregister_ldisc(N_SPEAKUP)) + pr_warn("speakup: Couldn't unregister ldisc\n"); +} + static int spk_ttyio_out(struct spk_synth *in_synth, const char ch) { if (in_synth->alive && speakup_tty && speakup_tty->ops->write) { @@ -300,7 +308,7 @@ void spk_ttyio_release(void) tty_ldisc_flush(speakup_tty); tty_unlock(speakup_tty); - tty_ldisc_release(speakup_tty); + tty_release_struct(speakup_tty, speakup_tty->index); } EXPORT_SYMBOL_GPL(spk_ttyio_release); diff --git a/drivers/staging/vboxvideo/Kconfig b/drivers/staging/vboxvideo/Kconfig new file mode 100644 index 000000000000..a52746f9a670 --- /dev/null +++ b/drivers/staging/vboxvideo/Kconfig @@ -0,0 +1,12 @@ +config DRM_VBOXVIDEO + tristate "Virtual Box Graphics Card" + depends on DRM && X86 && PCI + select DRM_KMS_HELPER + help + This is a KMS driver for the virtual Graphics Card used in + Virtual Box virtual machines. + + Although it is possible to builtin this module, it is advised + to build this driver as a module, so that it can be updated + independently of the kernel. Select M to built this driver as a + module and add support for these devices via drm/kms interfaces. diff --git a/drivers/staging/vboxvideo/Makefile b/drivers/staging/vboxvideo/Makefile new file mode 100644 index 000000000000..2d0b3bc7ad73 --- /dev/null +++ b/drivers/staging/vboxvideo/Makefile @@ -0,0 +1,7 @@ +ccflags-y := -Iinclude/drm + +vboxvideo-y := hgsmi_base.o modesetting.o vbva_base.o \ + vbox_drv.o vbox_fb.o vbox_hgsmi.o vbox_irq.o vbox_main.o \ + vbox_mode.o vbox_prime.o vbox_ttm.o + +obj-$(CONFIG_DRM_VBOXVIDEO) += vboxvideo.o diff --git a/drivers/staging/vboxvideo/TODO b/drivers/staging/vboxvideo/TODO new file mode 100644 index 000000000000..ce764309b079 --- /dev/null +++ b/drivers/staging/vboxvideo/TODO @@ -0,0 +1,9 @@ +TODO: +-Move the driver over to the atomic API +-Stop using old load / unload drm_driver hooks +-Get a full review from the drm-maintainers on dri-devel done on this driver +-Extend this TODO with the results of that review + +Please send any patches to Greg Kroah-Hartman <gregkh@linuxfoundation.org>, +Hans de Goede <hdegoede@redhat.com> and +Michael Thayer <michael.thayer@oracle.com>. diff --git a/drivers/staging/vboxvideo/hgsmi_base.c b/drivers/staging/vboxvideo/hgsmi_base.c new file mode 100644 index 000000000000..15ff5f42e2cd --- /dev/null +++ b/drivers/staging/vboxvideo/hgsmi_base.c @@ -0,0 +1,246 @@ +/* + * Copyright (C) 2006-2017 Oracle Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "vbox_drv.h" +#include "vbox_err.h" +#include "vboxvideo_guest.h" +#include "vboxvideo_vbe.h" +#include "hgsmi_channels.h" +#include "hgsmi_ch_setup.h" + +/** + * Inform the host of the location of the host flags in VRAM via an HGSMI cmd. + * @param ctx the context of the guest heap to use. + * @param location the offset chosen for the flags within guest VRAM. + * @returns 0 on success, -errno on failure + */ +int hgsmi_report_flags_location(struct gen_pool *ctx, u32 location) +{ + struct hgsmi_buffer_location *p; + + p = hgsmi_buffer_alloc(ctx, sizeof(*p), HGSMI_CH_HGSMI, + HGSMI_CC_HOST_FLAGS_LOCATION); + if (!p) + return -ENOMEM; + + p->buf_location = location; + p->buf_len = sizeof(struct hgsmi_host_flags); + + hgsmi_buffer_submit(ctx, p); + hgsmi_buffer_free(ctx, p); + + return 0; +} + +/** + * Notify the host of HGSMI-related guest capabilities via an HGSMI command. + * @param ctx the context of the guest heap to use. + * @param caps the capabilities to report, see vbva_caps. + * @returns 0 on success, -errno on failure + */ +int hgsmi_send_caps_info(struct gen_pool *ctx, u32 caps) +{ + struct vbva_caps *p; + + p = hgsmi_buffer_alloc(ctx, sizeof(*p), HGSMI_CH_VBVA, VBVA_INFO_CAPS); + if (!p) + return -ENOMEM; + + p->rc = VERR_NOT_IMPLEMENTED; + p->caps = caps; + + hgsmi_buffer_submit(ctx, p); + + WARN_ON_ONCE(RT_FAILURE(p->rc)); + + hgsmi_buffer_free(ctx, p); + + return 0; +} + +int hgsmi_test_query_conf(struct gen_pool *ctx) +{ + u32 value = 0; + int ret; + + ret = hgsmi_query_conf(ctx, U32_MAX, &value); + if (ret) + return ret; + + return value == U32_MAX ? 0 : -EIO; +} + +/** + * Query the host for an HGSMI configuration parameter via an HGSMI command. + * @param ctx the context containing the heap used + * @param index the index of the parameter to query, + * @see vbva_conf32::index + * @param value_ret where to store the value of the parameter on success + * @returns 0 on success, -errno on failure + */ +int hgsmi_query_conf(struct gen_pool *ctx, u32 index, u32 *value_ret) +{ + struct vbva_conf32 *p; + + p = hgsmi_buffer_alloc(ctx, sizeof(*p), HGSMI_CH_VBVA, + VBVA_QUERY_CONF32); + if (!p) + return -ENOMEM; + + p->index = index; + p->value = U32_MAX; + + hgsmi_buffer_submit(ctx, p); + + *value_ret = p->value; + + hgsmi_buffer_free(ctx, p); + + return 0; +} + +/** + * Pass the host a new mouse pointer shape via an HGSMI command. + * + * @param ctx the context containing the heap to be used + * @param flags cursor flags, @see VMMDevReqMousePointer::flags + * @param hot_x horizontal position of the hot spot + * @param hot_y vertical position of the hot spot + * @param width width in pixels of the cursor + * @param height height in pixels of the cursor + * @param pixels pixel data, @see VMMDevReqMousePointer for the format + * @param len size in bytes of the pixel data + * @returns 0 on success, -errno on failure + */ +int hgsmi_update_pointer_shape(struct gen_pool *ctx, u32 flags, + u32 hot_x, u32 hot_y, u32 width, u32 height, + u8 *pixels, u32 len) +{ + struct vbva_mouse_pointer_shape *p; + u32 pixel_len = 0; + int rc; + + if (flags & VBOX_MOUSE_POINTER_SHAPE) { + /* + * Size of the pointer data: + * sizeof (AND mask) + sizeof (XOR_MASK) + */ + pixel_len = ((((width + 7) / 8) * height + 3) & ~3) + + width * 4 * height; + if (pixel_len > len) + return -EINVAL; + + /* + * If shape is supplied, then always create the pointer visible. + * See comments in 'vboxUpdatePointerShape' + */ + flags |= VBOX_MOUSE_POINTER_VISIBLE; + } + + p = hgsmi_buffer_alloc(ctx, sizeof(*p) + pixel_len, HGSMI_CH_VBVA, + VBVA_MOUSE_POINTER_SHAPE); + if (!p) + return -ENOMEM; + + p->result = VINF_SUCCESS; + p->flags = flags; + p->hot_X = hot_x; + p->hot_y = hot_y; + p->width = width; + p->height = height; + if (pixel_len) + memcpy(p->data, pixels, pixel_len); + + hgsmi_buffer_submit(ctx, p); + + switch (p->result) { + case VINF_SUCCESS: + rc = 0; + break; + case VERR_NO_MEMORY: + rc = -ENOMEM; + break; + case VERR_NOT_SUPPORTED: + rc = -EBUSY; + break; + default: + rc = -EINVAL; + } + + hgsmi_buffer_free(ctx, p); + + return rc; +} + +/** + * Report the guest cursor position. The host may wish to use this information + * to re-position its own cursor (though this is currently unlikely). The + * current host cursor position is returned. + * @param ctx The context containing the heap used. + * @param report_position Are we reporting a position? + * @param x Guest cursor X position. + * @param y Guest cursor Y position. + * @param x_host Host cursor X position is stored here. Optional. + * @param y_host Host cursor Y position is stored here. Optional. + * @returns 0 on success, -errno on failure + */ +int hgsmi_cursor_position(struct gen_pool *ctx, bool report_position, + u32 x, u32 y, u32 *x_host, u32 *y_host) +{ + struct vbva_cursor_position *p; + + p = hgsmi_buffer_alloc(ctx, sizeof(*p), HGSMI_CH_VBVA, + VBVA_CURSOR_POSITION); + if (!p) + return -ENOMEM; + + p->report_position = report_position; + p->x = x; + p->y = y; + + hgsmi_buffer_submit(ctx, p); + + *x_host = p->x; + *y_host = p->y; + + hgsmi_buffer_free(ctx, p); + + return 0; +} + +/** + * @todo Mouse pointer position to be read from VMMDev memory, address of the + * memory region can be queried from VMMDev via an IOCTL. This VMMDev memory + * region will contain host information which is needed by the guest. + * + * Reading will not cause a switch to the host. + * + * Have to take into account: + * * synchronization: host must write to the memory only from EMT, + * large structures must be read under flag, which tells the host + * that the guest is currently reading the memory (OWNER flag?). + * * guest writes: may be allocate a page for the host info and make + * the page readonly for the guest. + * * the information should be available only for additions drivers. + * * VMMDev additions driver will inform the host which version of the info + * it expects, host must support all versions. + */ diff --git a/drivers/staging/vboxvideo/hgsmi_ch_setup.h b/drivers/staging/vboxvideo/hgsmi_ch_setup.h new file mode 100644 index 000000000000..8e6d9e11a69c --- /dev/null +++ b/drivers/staging/vboxvideo/hgsmi_ch_setup.h @@ -0,0 +1,66 @@ +/* + * Copyright (C) 2006-2017 Oracle Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef __HGSMI_CH_SETUP_H__ +#define __HGSMI_CH_SETUP_H__ + +/* + * Tell the host the location of hgsmi_host_flags structure, where the host + * can write information about pending buffers, etc, and which can be quickly + * polled by the guest without a need to port IO. + */ +#define HGSMI_CC_HOST_FLAGS_LOCATION 0 + +struct hgsmi_buffer_location { + u32 buf_location; + u32 buf_len; +} __packed; + +/* HGSMI setup and configuration data structures. */ +/* host->guest commands pending, should be accessed under FIFO lock only */ +#define HGSMIHOSTFLAGS_COMMANDS_PENDING 0x01u +/* IRQ is fired, should be accessed under VGAState::lock only */ +#define HGSMIHOSTFLAGS_IRQ 0x02u +/* vsync interrupt flag, should be accessed under VGAState::lock only */ +#define HGSMIHOSTFLAGS_VSYNC 0x10u +/** monitor hotplug flag, should be accessed under VGAState::lock only */ +#define HGSMIHOSTFLAGS_HOTPLUG 0x20u +/** + * Cursor capability state change flag, should be accessed under + * VGAState::lock only. @see vbva_conf32. + */ +#define HGSMIHOSTFLAGS_CURSOR_CAPABILITIES 0x40u + +struct hgsmi_host_flags { + /* + * Host flags can be accessed and modified in multiple threads + * concurrently, e.g. CrOpenGL HGCM and GUI threads when completing + * HGSMI 3D and Video Accel respectively, EMT thread when dealing with + * HGSMI command processing, etc. + * Besides settings/cleaning flags atomically, some flags have their + * own special sync restrictions, see comments for flags above. + */ + u32 host_flags; + u32 reserved[3]; +} __packed; + +#endif diff --git a/drivers/staging/vboxvideo/hgsmi_channels.h b/drivers/staging/vboxvideo/hgsmi_channels.h new file mode 100644 index 000000000000..a2a34b2167b4 --- /dev/null +++ b/drivers/staging/vboxvideo/hgsmi_channels.h @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2006-2017 Oracle Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef __HGSMI_CHANNELS_H__ +#define __HGSMI_CHANNELS_H__ + +/* + * Each channel has an 8 bit identifier. There are a number of predefined + * (hardcoded) channels. + * + * HGSMI_CH_HGSMI channel can be used to map a string channel identifier + * to a free 16 bit numerical value. values are allocated in range + * [HGSMI_CH_STRING_FIRST;HGSMI_CH_STRING_LAST]. + */ + +/* A reserved channel value */ +#define HGSMI_CH_RESERVED 0x00 +/* HGCMI: setup and configuration */ +#define HGSMI_CH_HGSMI 0x01 +/* Graphics: VBVA */ +#define HGSMI_CH_VBVA 0x02 +/* Graphics: Seamless with a single guest region */ +#define HGSMI_CH_SEAMLESS 0x03 +/* Graphics: Seamless with separate host windows */ +#define HGSMI_CH_SEAMLESS2 0x04 +/* Graphics: OpenGL HW acceleration */ +#define HGSMI_CH_OPENGL 0x05 + +/* The first channel index to be used for string mappings (inclusive) */ +#define HGSMI_CH_STRING_FIRST 0x20 +/* The last channel index for string mappings (inclusive) */ +#define HGSMI_CH_STRING_LAST 0xff + +#endif diff --git a/drivers/staging/vboxvideo/hgsmi_defs.h b/drivers/staging/vboxvideo/hgsmi_defs.h new file mode 100644 index 000000000000..5b21fb974d20 --- /dev/null +++ b/drivers/staging/vboxvideo/hgsmi_defs.h @@ -0,0 +1,92 @@ +/* + * Copyright (C) 2006-2017 Oracle Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef __HGSMI_DEFS_H__ +#define __HGSMI_DEFS_H__ + +/* Buffer sequence type mask. */ +#define HGSMI_BUFFER_HEADER_F_SEQ_MASK 0x03 +/* Single buffer, not a part of a sequence. */ +#define HGSMI_BUFFER_HEADER_F_SEQ_SINGLE 0x00 +/* The first buffer in a sequence. */ +#define HGSMI_BUFFER_HEADER_F_SEQ_START 0x01 +/* A middle buffer in a sequence. */ +#define HGSMI_BUFFER_HEADER_F_SEQ_CONTINUE 0x02 +/* The last buffer in a sequence. */ +#define HGSMI_BUFFER_HEADER_F_SEQ_END 0x03 + +/* 16 bytes buffer header. */ +struct hgsmi_buffer_header { + u32 data_size; /* Size of data that follows the header. */ + u8 flags; /* HGSMI_BUFFER_HEADER_F_* */ + u8 channel; /* The channel the data must be routed to. */ + u16 channel_info; /* Opaque to the HGSMI, used by the channel. */ + + union { + /* Opaque placeholder to make the union 8 bytes. */ + u8 header_data[8]; + + /* HGSMI_BUFFER_HEADER_F_SEQ_SINGLE */ + struct { + u32 reserved1; /* A reserved field, initialize to 0. */ + u32 reserved2; /* A reserved field, initialize to 0. */ + } buffer; + + /* HGSMI_BUFFER_HEADER_F_SEQ_START */ + struct { + /* Must be the same for all buffers in the sequence. */ + u32 sequence_number; + /* The total size of the sequence. */ + u32 sequence_size; + } sequence_start; + + /* + * HGSMI_BUFFER_HEADER_F_SEQ_CONTINUE and + * HGSMI_BUFFER_HEADER_F_SEQ_END + */ + struct { + /* Must be the same for all buffers in the sequence. */ + u32 sequence_number; + /* Data offset in the entire sequence. */ + u32 sequence_offset; + } sequence_continue; + } u; +} __packed; + +/* 8 bytes buffer tail. */ +struct hgsmi_buffer_tail { + /* Reserved, must be initialized to 0. */ + u32 reserved; + /* + * One-at-a-Time Hash: http://www.burtleburtle.net/bob/hash/doobs.html + * Over the header, offset and for first 4 bytes of the tail. + */ + u32 checksum; +} __packed; + +/* + * The size of the array of channels. Array indexes are u8. + * Note: the value must not be changed. + */ +#define HGSMI_NUMBER_OF_CHANNELS 0x100 + +#endif diff --git a/drivers/staging/vboxvideo/modesetting.c b/drivers/staging/vboxvideo/modesetting.c new file mode 100644 index 000000000000..7616b8aab23a --- /dev/null +++ b/drivers/staging/vboxvideo/modesetting.c @@ -0,0 +1,142 @@ +/* + * Copyright (C) 2006-2017 Oracle Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "vbox_drv.h" +#include "vbox_err.h" +#include "vboxvideo_guest.h" +#include "vboxvideo_vbe.h" +#include "hgsmi_channels.h" + +/** + * Set a video mode via an HGSMI request. The views must have been + * initialised first using @a VBoxHGSMISendViewInfo and if the mode is being + * set on the first display then it must be set first using registers. + * @param ctx The context containing the heap to use + * @param display The screen number + * @param origin_x The horizontal displacement relative to the first scrn + * @param origin_y The vertical displacement relative to the first screen + * @param start_offset The offset of the visible area of the framebuffer + * relative to the framebuffer start + * @param pitch The offset in bytes between the starts of two adjecent + * scan lines in video RAM + * @param width The mode width + * @param height The mode height + * @param bpp The colour depth of the mode + * @param flags Flags + */ +void hgsmi_process_display_info(struct gen_pool *ctx, u32 display, + s32 origin_x, s32 origin_y, u32 start_offset, + u32 pitch, u32 width, u32 height, + u16 bpp, u16 flags) +{ + struct vbva_infoscreen *p; + + p = hgsmi_buffer_alloc(ctx, sizeof(*p), HGSMI_CH_VBVA, + VBVA_INFO_SCREEN); + if (!p) + return; + + p->view_index = display; + p->origin_x = origin_x; + p->origin_y = origin_y; + p->start_offset = start_offset; + p->line_size = pitch; + p->width = width; + p->height = height; + p->bits_per_pixel = bpp; + p->flags = flags; + + hgsmi_buffer_submit(ctx, p); + hgsmi_buffer_free(ctx, p); +} + +/** + * Report the rectangle relative to which absolute pointer events should be + * expressed. This information remains valid until the next VBVA resize event + * for any screen, at which time it is reset to the bounding rectangle of all + * virtual screens. + * @param ctx The context containing the heap to use. + * @param origin_x Upper left X co-ordinate relative to the first screen. + * @param origin_y Upper left Y co-ordinate relative to the first screen. + * @param width Rectangle width. + * @param height Rectangle height. + * @returns 0 on success, -errno on failure + */ +int hgsmi_update_input_mapping(struct gen_pool *ctx, s32 origin_x, s32 origin_y, + u32 width, u32 height) +{ + struct vbva_report_input_mapping *p; + + p = hgsmi_buffer_alloc(ctx, sizeof(*p), HGSMI_CH_VBVA, + VBVA_REPORT_INPUT_MAPPING); + if (!p) + return -ENOMEM; + + p->x = origin_x; + p->y = origin_y; + p->cx = width; + p->cy = height; + + hgsmi_buffer_submit(ctx, p); + hgsmi_buffer_free(ctx, p); + + return 0; +} + +/** + * Get most recent video mode hints. + * @param ctx The context containing the heap to use. + * @param screens The number of screens to query hints for, starting at 0. + * @param hints Array of vbva_modehint structures for receiving the hints. + * @returns 0 on success, -errno on failure + */ +int hgsmi_get_mode_hints(struct gen_pool *ctx, unsigned int screens, + struct vbva_modehint *hints) +{ + struct vbva_query_mode_hints *p; + size_t size; + + if (WARN_ON(!hints)) + return -EINVAL; + + size = screens * sizeof(struct vbva_modehint); + p = hgsmi_buffer_alloc(ctx, sizeof(*p) + size, HGSMI_CH_VBVA, + VBVA_QUERY_MODE_HINTS); + if (!p) + return -ENOMEM; + + p->hints_queried_count = screens; + p->hint_structure_guest_size = sizeof(struct vbva_modehint); + p->rc = VERR_NOT_SUPPORTED; + + hgsmi_buffer_submit(ctx, p); + + if (RT_FAILURE(p->rc)) { + hgsmi_buffer_free(ctx, p); + return -EIO; + } + + memcpy(hints, ((u8 *)p) + sizeof(struct vbva_query_mode_hints), size); + hgsmi_buffer_free(ctx, p); + + return 0; +} diff --git a/drivers/staging/vboxvideo/vbox_drv.c b/drivers/staging/vboxvideo/vbox_drv.c new file mode 100644 index 000000000000..92ae1560a16d --- /dev/null +++ b/drivers/staging/vboxvideo/vbox_drv.c @@ -0,0 +1,286 @@ +/* + * Copyright (C) 2013-2017 Oracle Corporation + * This file is based on ast_drv.c + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * Authors: Dave Airlie <airlied@redhat.com> + * Michael Thayer <michael.thayer@oracle.com, + * Hans de Goede <hdegoede@redhat.com> + */ +#include <linux/module.h> +#include <linux/console.h> +#include <linux/vt_kern.h> + +#include <drm/drmP.h> +#include <drm/drm_crtc_helper.h> + +#include "vbox_drv.h" + +int vbox_modeset = -1; + +MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); +module_param_named(modeset, vbox_modeset, int, 0400); + +static struct drm_driver driver; + +static const struct pci_device_id pciidlist[] = { + { 0x80ee, 0xbeef, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + { 0, 0, 0}, +}; +MODULE_DEVICE_TABLE(pci, pciidlist); + +static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + return drm_get_pci_dev(pdev, ent, &driver); +} + +static void vbox_pci_remove(struct pci_dev *pdev) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + + drm_put_dev(dev); +} + +static int vbox_drm_freeze(struct drm_device *dev) +{ + struct vbox_private *vbox = dev->dev_private; + + drm_kms_helper_poll_disable(dev); + + pci_save_state(dev->pdev); + + drm_fb_helper_set_suspend_unlocked(&vbox->fbdev->helper, true); + + return 0; +} + +static int vbox_drm_thaw(struct drm_device *dev) +{ + struct vbox_private *vbox = dev->dev_private; + + drm_mode_config_reset(dev); + drm_helper_resume_force_mode(dev); + drm_fb_helper_set_suspend_unlocked(&vbox->fbdev->helper, false); + + return 0; +} + +static int vbox_drm_resume(struct drm_device *dev) +{ + int ret; + + if (pci_enable_device(dev->pdev)) + return -EIO; + + ret = vbox_drm_thaw(dev); + if (ret) + return ret; + + drm_kms_helper_poll_enable(dev); + + return 0; +} + +static int vbox_pm_suspend(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *ddev = pci_get_drvdata(pdev); + int error; + + error = vbox_drm_freeze(ddev); + if (error) + return error; + + pci_disable_device(pdev); + pci_set_power_state(pdev, PCI_D3hot); + + return 0; +} + +static int vbox_pm_resume(struct device *dev) +{ + struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); + + return vbox_drm_resume(ddev); +} + +static int vbox_pm_freeze(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *ddev = pci_get_drvdata(pdev); + + if (!ddev || !ddev->dev_private) + return -ENODEV; + + return vbox_drm_freeze(ddev); +} + +static int vbox_pm_thaw(struct device *dev) +{ + struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); + + return vbox_drm_thaw(ddev); +} + +static int vbox_pm_poweroff(struct device *dev) +{ + struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); + + return vbox_drm_freeze(ddev); +} + +static const struct dev_pm_ops vbox_pm_ops = { + .suspend = vbox_pm_suspend, + .resume = vbox_pm_resume, + .freeze = vbox_pm_freeze, + .thaw = vbox_pm_thaw, + .poweroff = vbox_pm_poweroff, + .restore = vbox_pm_resume, +}; + +static struct pci_driver vbox_pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + .probe = vbox_pci_probe, + .remove = vbox_pci_remove, + .driver.pm = &vbox_pm_ops, +}; + +static const struct file_operations vbox_fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .unlocked_ioctl = drm_ioctl, + .mmap = vbox_mmap, + .poll = drm_poll, +#ifdef CONFIG_COMPAT + .compat_ioctl = drm_compat_ioctl, +#endif + .read = drm_read, +}; + +static int vbox_master_set(struct drm_device *dev, + struct drm_file *file_priv, bool from_open) +{ + struct vbox_private *vbox = dev->dev_private; + + /* + * We do not yet know whether the new owner can handle hotplug, so we + * do not advertise dynamic modes on the first query and send a + * tentative hotplug notification after that to see if they query again. + */ + vbox->initial_mode_queried = false; + + mutex_lock(&vbox->hw_mutex); + /* + * Disable VBVA when someone releases master in case the next person + * tries tries to do VESA. + */ + /** @todo work out if anyone is likely to and whether it will work. */ + /* + * Update: we also disable it because if the new master does not do + * dirty rectangle reporting (e.g. old versions of Plymouth) then at + * least the first screen will still be updated. We enable it as soon + * as we receive a dirty rectangle report. + */ + vbox_disable_accel(vbox); + mutex_unlock(&vbox->hw_mutex); + + return 0; +} + +static void vbox_master_drop(struct drm_device *dev, struct drm_file *file_priv) +{ + struct vbox_private *vbox = dev->dev_private; + + /* See vbox_master_set() */ + vbox->initial_mode_queried = false; + + mutex_lock(&vbox->hw_mutex); + vbox_disable_accel(vbox); + mutex_unlock(&vbox->hw_mutex); +} + +static struct drm_driver driver = { + .driver_features = + DRIVER_MODESET | DRIVER_GEM | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | + DRIVER_PRIME, + .dev_priv_size = 0, + + .load = vbox_driver_load, + .unload = vbox_driver_unload, + .lastclose = vbox_driver_lastclose, + .master_set = vbox_master_set, + .master_drop = vbox_master_drop, + .set_busid = drm_pci_set_busid, + + .fops = &vbox_fops, + .irq_handler = vbox_irq_handler, + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, + + .gem_free_object = vbox_gem_free_object, + .dumb_create = vbox_dumb_create, + .dumb_map_offset = vbox_dumb_mmap_offset, + .dumb_destroy = drm_gem_dumb_destroy, + .prime_handle_to_fd = drm_gem_prime_handle_to_fd, + .prime_fd_to_handle = drm_gem_prime_fd_to_handle, + .gem_prime_export = drm_gem_prime_export, + .gem_prime_import = drm_gem_prime_import, + .gem_prime_pin = vbox_gem_prime_pin, + .gem_prime_unpin = vbox_gem_prime_unpin, + .gem_prime_get_sg_table = vbox_gem_prime_get_sg_table, + .gem_prime_import_sg_table = vbox_gem_prime_import_sg_table, + .gem_prime_vmap = vbox_gem_prime_vmap, + .gem_prime_vunmap = vbox_gem_prime_vunmap, + .gem_prime_mmap = vbox_gem_prime_mmap, +}; + +static int __init vbox_init(void) +{ +#ifdef CONFIG_VGA_CONSOLE + if (vgacon_text_force() && vbox_modeset == -1) + return -EINVAL; +#endif + + if (vbox_modeset == 0) + return -EINVAL; + + return drm_pci_init(&driver, &vbox_pci_driver); +} + +static void __exit vbox_exit(void) +{ + drm_pci_exit(&driver, &vbox_pci_driver); +} + +module_init(vbox_init); +module_exit(vbox_exit); + +MODULE_AUTHOR("Oracle Corporation"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/staging/vboxvideo/vbox_drv.h b/drivers/staging/vboxvideo/vbox_drv.h new file mode 100644 index 000000000000..4b9302703b36 --- /dev/null +++ b/drivers/staging/vboxvideo/vbox_drv.h @@ -0,0 +1,296 @@ +/* + * Copyright (C) 2013-2017 Oracle Corporation + * This file is based on ast_drv.h + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * Authors: Dave Airlie <airlied@redhat.com> + * Michael Thayer <michael.thayer@oracle.com, + * Hans de Goede <hdegoede@redhat.com> + */ +#ifndef __VBOX_DRV_H__ +#define __VBOX_DRV_H__ + +#include <linux/genalloc.h> +#include <linux/io.h> +#include <linux/string.h> +#include <linux/version.h> + +#include <drm/drmP.h> +#include <drm/drm_encoder.h> +#include <drm/drm_fb_helper.h> +#include <drm/drm_gem.h> + +#include <drm/ttm/ttm_bo_api.h> +#include <drm/ttm/ttm_bo_driver.h> +#include <drm/ttm/ttm_placement.h> +#include <drm/ttm/ttm_memory.h> +#include <drm/ttm/ttm_module.h> + +#include "vboxvideo_guest.h" +#include "vboxvideo_vbe.h" +#include "hgsmi_ch_setup.h" + +#define DRIVER_NAME "vboxvideo" +#define DRIVER_DESC "Oracle VM VirtualBox Graphics Card" +#define DRIVER_DATE "20130823" + +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 0 + +#define VBOX_MAX_CURSOR_WIDTH 64 +#define VBOX_MAX_CURSOR_HEIGHT 64 +#define CURSOR_PIXEL_COUNT (VBOX_MAX_CURSOR_WIDTH * VBOX_MAX_CURSOR_HEIGHT) +#define CURSOR_DATA_SIZE (CURSOR_PIXEL_COUNT * 4 + CURSOR_PIXEL_COUNT / 8) + +#define VBOX_MAX_SCREENS 32 + +#define GUEST_HEAP_OFFSET(vbox) ((vbox)->full_vram_size - \ + VBVA_ADAPTER_INFORMATION_SIZE) +#define GUEST_HEAP_SIZE VBVA_ADAPTER_INFORMATION_SIZE +#define GUEST_HEAP_USABLE_SIZE (VBVA_ADAPTER_INFORMATION_SIZE - \ + sizeof(struct hgsmi_host_flags)) +#define HOST_FLAGS_OFFSET GUEST_HEAP_USABLE_SIZE + +struct vbox_fbdev; + +struct vbox_private { + struct drm_device *dev; + + u8 __iomem *guest_heap; + u8 __iomem *vbva_buffers; + struct gen_pool *guest_pool; + struct vbva_buf_ctx *vbva_info; + bool any_pitch; + u32 num_crtcs; + /** Amount of available VRAM, including space used for buffers. */ + u32 full_vram_size; + /** Amount of available VRAM, not including space used for buffers. */ + u32 available_vram_size; + /** Array of structures for receiving mode hints. */ + struct vbva_modehint *last_mode_hints; + + struct vbox_fbdev *fbdev; + + int fb_mtrr; + + struct { + struct drm_global_reference mem_global_ref; + struct ttm_bo_global_ref bo_global_ref; + struct ttm_bo_device bdev; + } ttm; + + struct mutex hw_mutex; /* protects modeset and accel/vbva accesses */ + /** + * We decide whether or not user-space supports display hot-plug + * depending on whether they react to a hot-plug event after the initial + * mode query. + */ + bool initial_mode_queried; + struct work_struct hotplug_work; + u32 input_mapping_width; + u32 input_mapping_height; + /** + * Is user-space using an X.Org-style layout of one large frame-buffer + * encompassing all screen ones or is the fbdev console active? + */ + bool single_framebuffer; + u32 cursor_width; + u32 cursor_height; + u32 cursor_hot_x; + u32 cursor_hot_y; + size_t cursor_data_size; + u8 cursor_data[CURSOR_DATA_SIZE]; +}; + +#undef CURSOR_PIXEL_COUNT +#undef CURSOR_DATA_SIZE + +int vbox_driver_load(struct drm_device *dev, unsigned long flags); +void vbox_driver_unload(struct drm_device *dev); +void vbox_driver_lastclose(struct drm_device *dev); + +struct vbox_gem_object; + +struct vbox_connector { + struct drm_connector base; + char name[32]; + struct vbox_crtc *vbox_crtc; + struct { + u16 width; + u16 height; + bool disconnected; + } mode_hint; +}; + +struct vbox_crtc { + struct drm_crtc base; + bool blanked; + bool disconnected; + unsigned int crtc_id; + u32 fb_offset; + bool cursor_enabled; + u16 x_hint; + u16 y_hint; +}; + +struct vbox_encoder { + struct drm_encoder base; +}; + +struct vbox_framebuffer { + struct drm_framebuffer base; + struct drm_gem_object *obj; +}; + +struct vbox_fbdev { + struct drm_fb_helper helper; + struct vbox_framebuffer afb; + int size; + struct ttm_bo_kmap_obj mapping; + int x1, y1, x2, y2; /* dirty rect */ + spinlock_t dirty_lock; +}; + +#define to_vbox_crtc(x) container_of(x, struct vbox_crtc, base) +#define to_vbox_connector(x) container_of(x, struct vbox_connector, base) +#define to_vbox_encoder(x) container_of(x, struct vbox_encoder, base) +#define to_vbox_framebuffer(x) container_of(x, struct vbox_framebuffer, base) + +int vbox_mode_init(struct drm_device *dev); +void vbox_mode_fini(struct drm_device *dev); + +#define DRM_MODE_FB_CMD drm_mode_fb_cmd2 +#define CRTC_FB(crtc) ((crtc)->primary->fb) + +void vbox_enable_accel(struct vbox_private *vbox); +void vbox_disable_accel(struct vbox_private *vbox); +void vbox_report_caps(struct vbox_private *vbox); + +void vbox_framebuffer_dirty_rectangles(struct drm_framebuffer *fb, + struct drm_clip_rect *rects, + unsigned int num_rects); + +int vbox_framebuffer_init(struct drm_device *dev, + struct vbox_framebuffer *vbox_fb, + const struct DRM_MODE_FB_CMD *mode_cmd, + struct drm_gem_object *obj); + +int vbox_fbdev_init(struct drm_device *dev); +void vbox_fbdev_fini(struct drm_device *dev); +void vbox_fbdev_set_base(struct vbox_private *vbox, unsigned long gpu_addr); + +struct vbox_bo { + struct ttm_buffer_object bo; + struct ttm_placement placement; + struct ttm_bo_kmap_obj kmap; + struct drm_gem_object gem; + struct ttm_place placements[3]; + int pin_count; +}; + +#define gem_to_vbox_bo(gobj) container_of((gobj), struct vbox_bo, gem) + +static inline struct vbox_bo *vbox_bo(struct ttm_buffer_object *bo) +{ + return container_of(bo, struct vbox_bo, bo); +} + +#define to_vbox_obj(x) container_of(x, struct vbox_gem_object, base) + +int vbox_dumb_create(struct drm_file *file, + struct drm_device *dev, + struct drm_mode_create_dumb *args); + +void vbox_gem_free_object(struct drm_gem_object *obj); +int vbox_dumb_mmap_offset(struct drm_file *file, + struct drm_device *dev, + u32 handle, u64 *offset); + +#define DRM_FILE_PAGE_OFFSET (0x10000000ULL >> PAGE_SHIFT) + +int vbox_mm_init(struct vbox_private *vbox); +void vbox_mm_fini(struct vbox_private *vbox); + +int vbox_bo_create(struct drm_device *dev, int size, int align, + u32 flags, struct vbox_bo **pvboxbo); + +int vbox_gem_create(struct drm_device *dev, + u32 size, bool iskernel, struct drm_gem_object **obj); + +int vbox_bo_pin(struct vbox_bo *bo, u32 pl_flag, u64 *gpu_addr); +int vbox_bo_unpin(struct vbox_bo *bo); + +static inline int vbox_bo_reserve(struct vbox_bo *bo, bool no_wait) +{ + int ret; + + ret = ttm_bo_reserve(&bo->bo, true, no_wait, NULL); + if (ret) { + if (ret != -ERESTARTSYS && ret != -EBUSY) + DRM_ERROR("reserve failed %p\n", bo); + return ret; + } + return 0; +} + +static inline void vbox_bo_unreserve(struct vbox_bo *bo) +{ + ttm_bo_unreserve(&bo->bo); +} + +void vbox_ttm_placement(struct vbox_bo *bo, int domain); +int vbox_bo_push_sysram(struct vbox_bo *bo); +int vbox_mmap(struct file *filp, struct vm_area_struct *vma); + +/* vbox_prime.c */ +int vbox_gem_prime_pin(struct drm_gem_object *obj); +void vbox_gem_prime_unpin(struct drm_gem_object *obj); +struct sg_table *vbox_gem_prime_get_sg_table(struct drm_gem_object *obj); +struct drm_gem_object *vbox_gem_prime_import_sg_table( + struct drm_device *dev, struct dma_buf_attachment *attach, + struct sg_table *table); +void *vbox_gem_prime_vmap(struct drm_gem_object *obj); +void vbox_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); +int vbox_gem_prime_mmap(struct drm_gem_object *obj, + struct vm_area_struct *area); + +/* vbox_irq.c */ +int vbox_irq_init(struct vbox_private *vbox); +void vbox_irq_fini(struct vbox_private *vbox); +void vbox_report_hotplug(struct vbox_private *vbox); +irqreturn_t vbox_irq_handler(int irq, void *arg); + +/* vbox_hgsmi.c */ +void *hgsmi_buffer_alloc(struct gen_pool *guest_pool, size_t size, + u8 channel, u16 channel_info); +void hgsmi_buffer_free(struct gen_pool *guest_pool, void *buf); +int hgsmi_buffer_submit(struct gen_pool *guest_pool, void *buf); + +static inline void vbox_write_ioport(u16 index, u16 data) +{ + outw(index, VBE_DISPI_IOPORT_INDEX); + outw(data, VBE_DISPI_IOPORT_DATA); +} + +#endif diff --git a/drivers/staging/vboxvideo/vbox_err.h b/drivers/staging/vboxvideo/vbox_err.h new file mode 100644 index 000000000000..562db8630eb0 --- /dev/null +++ b/drivers/staging/vboxvideo/vbox_err.h @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2017 Oracle Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef __VBOX_ERR_H__ +#define __VBOX_ERR_H__ + +/** + * @name VirtualBox virtual-hardware error macros + * @{ + */ + +#define VINF_SUCCESS 0 +#define VERR_INVALID_PARAMETER (-2) +#define VERR_INVALID_POINTER (-6) +#define VERR_NO_MEMORY (-8) +#define VERR_NOT_IMPLEMENTED (-12) +#define VERR_INVALID_FUNCTION (-36) +#define VERR_NOT_SUPPORTED (-37) +#define VERR_TOO_MUCH_DATA (-42) +#define VERR_INVALID_STATE (-79) +#define VERR_OUT_OF_RESOURCES (-80) +#define VERR_ALREADY_EXISTS (-105) +#define VERR_INTERNAL_ERROR (-225) + +#define RT_SUCCESS_NP(rc) ((int)(rc) >= VINF_SUCCESS) +#define RT_SUCCESS(rc) (likely(RT_SUCCESS_NP(rc))) +#define RT_FAILURE(rc) (unlikely(!RT_SUCCESS_NP(rc))) + +/** @} */ + +#endif diff --git a/drivers/staging/vboxvideo/vbox_fb.c b/drivers/staging/vboxvideo/vbox_fb.c new file mode 100644 index 000000000000..35f6d9f8c203 --- /dev/null +++ b/drivers/staging/vboxvideo/vbox_fb.c @@ -0,0 +1,412 @@ +/* + * Copyright (C) 2013-2017 Oracle Corporation + * This file is based on ast_fb.c + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * Authors: Dave Airlie <airlied@redhat.com> + * Michael Thayer <michael.thayer@oracle.com, + */ +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/tty.h> +#include <linux/sysrq.h> +#include <linux/delay.h> +#include <linux/fb.h> +#include <linux/init.h> + +#include <drm/drmP.h> +#include <drm/drm_crtc.h> +#include <drm/drm_fb_helper.h> +#include <drm/drm_crtc_helper.h> + +#include "vbox_drv.h" +#include "vboxvideo.h" + +#define VBOX_DIRTY_DELAY (HZ / 30) +/** + * Tell the host about dirty rectangles to update. + */ +static void vbox_dirty_update(struct vbox_fbdev *fbdev, + int x, int y, int width, int height) +{ + struct drm_gem_object *obj; + struct vbox_bo *bo; + int ret = -EBUSY; + bool store_for_later = false; + int x2, y2; + unsigned long flags; + struct drm_clip_rect rect; + + obj = fbdev->afb.obj; + bo = gem_to_vbox_bo(obj); + + /* + * try and reserve the BO, if we fail with busy + * then the BO is being moved and we should + * store up the damage until later. + */ + if (drm_can_sleep()) + ret = vbox_bo_reserve(bo, true); + if (ret) { + if (ret != -EBUSY) + return; + + store_for_later = true; + } + + x2 = x + width - 1; + y2 = y + height - 1; + spin_lock_irqsave(&fbdev->dirty_lock, flags); + + if (fbdev->y1 < y) + y = fbdev->y1; + if (fbdev->y2 > y2) + y2 = fbdev->y2; + if (fbdev->x1 < x) + x = fbdev->x1; + if (fbdev->x2 > x2) + x2 = fbdev->x2; + + if (store_for_later) { + fbdev->x1 = x; + fbdev->x2 = x2; + fbdev->y1 = y; + fbdev->y2 = y2; + spin_unlock_irqrestore(&fbdev->dirty_lock, flags); + return; + } + + fbdev->x1 = INT_MAX; + fbdev->y1 = INT_MAX; + fbdev->x2 = 0; + fbdev->y2 = 0; + + spin_unlock_irqrestore(&fbdev->dirty_lock, flags); + + /* + * Not sure why the original code subtracted 1 here, but I will keep + * it that way to avoid unnecessary differences. + */ + rect.x1 = x; + rect.x2 = x2 + 1; + rect.y1 = y; + rect.y2 = y2 + 1; + vbox_framebuffer_dirty_rectangles(&fbdev->afb.base, &rect, 1); + + vbox_bo_unreserve(bo); +} + +#ifdef CONFIG_FB_DEFERRED_IO +static void vbox_deferred_io(struct fb_info *info, struct list_head *pagelist) +{ + struct vbox_fbdev *fbdev = info->par; + unsigned long start, end, min, max; + struct page *page; + int y1, y2; + + min = ULONG_MAX; + max = 0; + list_for_each_entry(page, pagelist, lru) { + start = page->index << PAGE_SHIFT; + end = start + PAGE_SIZE - 1; + min = min(min, start); + max = max(max, end); + } + + if (min < max) { + y1 = min / info->fix.line_length; + y2 = (max / info->fix.line_length) + 1; + DRM_INFO("%s: Calling dirty update: 0, %d, %d, %d\n", + __func__, y1, info->var.xres, y2 - y1 - 1); + vbox_dirty_update(fbdev, 0, y1, info->var.xres, y2 - y1 - 1); + } +} + +static struct fb_deferred_io vbox_defio = { + .delay = VBOX_DIRTY_DELAY, + .deferred_io = vbox_deferred_io, +}; +#endif + +static void vbox_fillrect(struct fb_info *info, const struct fb_fillrect *rect) +{ + struct vbox_fbdev *fbdev = info->par; + + sys_fillrect(info, rect); + vbox_dirty_update(fbdev, rect->dx, rect->dy, rect->width, rect->height); +} + +static void vbox_copyarea(struct fb_info *info, const struct fb_copyarea *area) +{ + struct vbox_fbdev *fbdev = info->par; + + sys_copyarea(info, area); + vbox_dirty_update(fbdev, area->dx, area->dy, area->width, area->height); +} + +static void vbox_imageblit(struct fb_info *info, const struct fb_image *image) +{ + struct vbox_fbdev *fbdev = info->par; + + sys_imageblit(info, image); + vbox_dirty_update(fbdev, image->dx, image->dy, image->width, + image->height); +} + +static struct fb_ops vboxfb_ops = { + .owner = THIS_MODULE, + .fb_check_var = drm_fb_helper_check_var, + .fb_set_par = drm_fb_helper_set_par, + .fb_fillrect = vbox_fillrect, + .fb_copyarea = vbox_copyarea, + .fb_imageblit = vbox_imageblit, + .fb_pan_display = drm_fb_helper_pan_display, + .fb_blank = drm_fb_helper_blank, + .fb_setcmap = drm_fb_helper_setcmap, + .fb_debug_enter = drm_fb_helper_debug_enter, + .fb_debug_leave = drm_fb_helper_debug_leave, +}; + +static int vboxfb_create_object(struct vbox_fbdev *fbdev, + struct DRM_MODE_FB_CMD *mode_cmd, + struct drm_gem_object **gobj_p) +{ + struct drm_device *dev = fbdev->helper.dev; + u32 size; + struct drm_gem_object *gobj; + u32 pitch = mode_cmd->pitches[0]; + int ret; + + size = pitch * mode_cmd->height; + ret = vbox_gem_create(dev, size, true, &gobj); + if (ret) + return ret; + + *gobj_p = gobj; + + return 0; +} + +static int vboxfb_create(struct drm_fb_helper *helper, + struct drm_fb_helper_surface_size *sizes) +{ + struct vbox_fbdev *fbdev = + container_of(helper, struct vbox_fbdev, helper); + struct drm_device *dev = fbdev->helper.dev; + struct DRM_MODE_FB_CMD mode_cmd; + struct drm_framebuffer *fb; + struct fb_info *info; + struct device *device = &dev->pdev->dev; + struct drm_gem_object *gobj; + struct vbox_bo *bo; + int size, ret; + u32 pitch; + + mode_cmd.width = sizes->surface_width; + mode_cmd.height = sizes->surface_height; + pitch = mode_cmd.width * ((sizes->surface_bpp + 7) / 8); + mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, + sizes->surface_depth); + mode_cmd.pitches[0] = pitch; + + size = pitch * mode_cmd.height; + + ret = vboxfb_create_object(fbdev, &mode_cmd, &gobj); + if (ret) { + DRM_ERROR("failed to create fbcon backing object %d\n", ret); + return ret; + } + + ret = vbox_framebuffer_init(dev, &fbdev->afb, &mode_cmd, gobj); + if (ret) + return ret; + + bo = gem_to_vbox_bo(gobj); + + ret = vbox_bo_reserve(bo, false); + if (ret) + return ret; + + ret = vbox_bo_pin(bo, TTM_PL_FLAG_VRAM, NULL); + if (ret) { + vbox_bo_unreserve(bo); + return ret; + } + + ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap); + vbox_bo_unreserve(bo); + if (ret) { + DRM_ERROR("failed to kmap fbcon\n"); + return ret; + } + + info = framebuffer_alloc(0, device); + if (!info) + return -ENOMEM; + info->par = fbdev; + + fbdev->size = size; + + fb = &fbdev->afb.base; + fbdev->helper.fb = fb; + fbdev->helper.fbdev = info; + + strcpy(info->fix.id, "vboxdrmfb"); + + /* + * The last flag forces a mode set on VT switches even if the kernel + * does not think it is needed. + */ + info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT | + FBINFO_MISC_ALWAYS_SETPAR; + info->fbops = &vboxfb_ops; + + ret = fb_alloc_cmap(&info->cmap, 256, 0); + if (ret) + return -ENOMEM; + + /* + * This seems to be done for safety checking that the framebuffer + * is not registered twice by different drivers. + */ + info->apertures = alloc_apertures(1); + if (!info->apertures) + return -ENOMEM; + info->apertures->ranges[0].base = pci_resource_start(dev->pdev, 0); + info->apertures->ranges[0].size = pci_resource_len(dev->pdev, 0); + + drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth); + drm_fb_helper_fill_var(info, &fbdev->helper, sizes->fb_width, + sizes->fb_height); + + info->screen_base = bo->kmap.virtual; + info->screen_size = size; + +#ifdef CONFIG_FB_DEFERRED_IO + info->fbdefio = &vbox_defio; + fb_deferred_io_init(info); +#endif + + info->pixmap.flags = FB_PIXMAP_SYSTEM; + + DRM_DEBUG_KMS("allocated %dx%d\n", fb->width, fb->height); + + return 0; +} + +static void vbox_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, + u16 blue, int regno) +{ +} + +static void vbox_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, + u16 *blue, int regno) +{ + *red = regno; + *green = regno; + *blue = regno; +} + +static struct drm_fb_helper_funcs vbox_fb_helper_funcs = { + .gamma_set = vbox_fb_gamma_set, + .gamma_get = vbox_fb_gamma_get, + .fb_probe = vboxfb_create, +}; + +void vbox_fbdev_fini(struct drm_device *dev) +{ + struct vbox_private *vbox = dev->dev_private; + struct vbox_fbdev *fbdev = vbox->fbdev; + struct vbox_framebuffer *afb = &fbdev->afb; + + drm_fb_helper_unregister_fbi(&fbdev->helper); + + if (afb->obj) { + struct vbox_bo *bo = gem_to_vbox_bo(afb->obj); + + if (!vbox_bo_reserve(bo, false)) { + if (bo->kmap.virtual) + ttm_bo_kunmap(&bo->kmap); + /* + * QXL does this, but is it really needed before + * freeing? + */ + if (bo->pin_count) + vbox_bo_unpin(bo); + vbox_bo_unreserve(bo); + } + drm_gem_object_unreference_unlocked(afb->obj); + afb->obj = NULL; + } + drm_fb_helper_fini(&fbdev->helper); + + drm_framebuffer_unregister_private(&afb->base); + drm_framebuffer_cleanup(&afb->base); +} + +int vbox_fbdev_init(struct drm_device *dev) +{ + struct vbox_private *vbox = dev->dev_private; + struct vbox_fbdev *fbdev; + int ret; + + fbdev = devm_kzalloc(dev->dev, sizeof(*fbdev), GFP_KERNEL); + if (!fbdev) + return -ENOMEM; + + vbox->fbdev = fbdev; + spin_lock_init(&fbdev->dirty_lock); + + drm_fb_helper_prepare(dev, &fbdev->helper, &vbox_fb_helper_funcs); + ret = drm_fb_helper_init(dev, &fbdev->helper, vbox->num_crtcs); + if (ret) + return ret; + + ret = drm_fb_helper_single_add_all_connectors(&fbdev->helper); + if (ret) + goto err_fini; + + /* disable all the possible outputs/crtcs before entering KMS mode */ + drm_helper_disable_unused_functions(dev); + + ret = drm_fb_helper_initial_config(&fbdev->helper, 32); + if (ret) + goto err_fini; + + return 0; + +err_fini: + drm_fb_helper_fini(&fbdev->helper); + return ret; +} + +void vbox_fbdev_set_base(struct vbox_private *vbox, unsigned long gpu_addr) +{ + struct fb_info *fbdev = vbox->fbdev->helper.fbdev; + + fbdev->fix.smem_start = fbdev->apertures->ranges[0].base + gpu_addr; + fbdev->fix.smem_len = vbox->available_vram_size - gpu_addr; +} diff --git a/drivers/staging/vboxvideo/vbox_hgsmi.c b/drivers/staging/vboxvideo/vbox_hgsmi.c new file mode 100644 index 000000000000..822fd31121cb --- /dev/null +++ b/drivers/staging/vboxvideo/vbox_hgsmi.c @@ -0,0 +1,115 @@ +/* + * Copyright (C) 2017 Oracle Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * Authors: Hans de Goede <hdegoede@redhat.com> + */ + +#include "vbox_drv.h" +#include "vboxvideo_vbe.h" +#include "hgsmi_defs.h" + +/* One-at-a-Time Hash from http://www.burtleburtle.net/bob/hash/doobs.html */ +static u32 hgsmi_hash_process(u32 hash, const u8 *data, int size) +{ + while (size--) { + hash += *data++; + hash += (hash << 10); + hash ^= (hash >> 6); + } + + return hash; +} + +static u32 hgsmi_hash_end(u32 hash) +{ + hash += (hash << 3); + hash ^= (hash >> 11); + hash += (hash << 15); + + return hash; +} + +/* Not really a checksum but that is the naming used in all vbox code */ +static u32 hgsmi_checksum(u32 offset, + const struct hgsmi_buffer_header *header, + const struct hgsmi_buffer_tail *tail) +{ + u32 checksum; + + checksum = hgsmi_hash_process(0, (u8 *)&offset, sizeof(offset)); + checksum = hgsmi_hash_process(checksum, (u8 *)header, sizeof(*header)); + /* 4 -> Do not checksum the checksum itself */ + checksum = hgsmi_hash_process(checksum, (u8 *)tail, 4); + + return hgsmi_hash_end(checksum); +} + +void *hgsmi_buffer_alloc(struct gen_pool *guest_pool, size_t size, + u8 channel, u16 channel_info) +{ + struct hgsmi_buffer_header *h; + struct hgsmi_buffer_tail *t; + size_t total_size; + dma_addr_t offset; + + total_size = size + sizeof(*h) + sizeof(*t); + h = gen_pool_dma_alloc(guest_pool, total_size, &offset); + if (!h) + return NULL; + + t = (struct hgsmi_buffer_tail *)((u8 *)h + sizeof(*h) + size); + + h->flags = HGSMI_BUFFER_HEADER_F_SEQ_SINGLE; + h->data_size = size; + h->channel = channel; + h->channel_info = channel_info; + memset(&h->u.header_data, 0, sizeof(h->u.header_data)); + + t->reserved = 0; + t->checksum = hgsmi_checksum(offset, h, t); + + return (u8 *)h + sizeof(*h); +} + +void hgsmi_buffer_free(struct gen_pool *guest_pool, void *buf) +{ + struct hgsmi_buffer_header *h = + (struct hgsmi_buffer_header *)((u8 *)buf - sizeof(*h)); + size_t total_size = h->data_size + sizeof(*h) + + sizeof(struct hgsmi_buffer_tail); + + gen_pool_free(guest_pool, (unsigned long)h, total_size); +} + +int hgsmi_buffer_submit(struct gen_pool *guest_pool, void *buf) +{ + phys_addr_t offset; + + offset = gen_pool_virt_to_phys(guest_pool, (unsigned long)buf - + sizeof(struct hgsmi_buffer_header)); + outl(offset, VGA_PORT_HGSMI_GUEST); + /* Make the compiler aware that the host has changed memory. */ + mb(); + + return 0; +} diff --git a/drivers/staging/vboxvideo/vbox_irq.c b/drivers/staging/vboxvideo/vbox_irq.c new file mode 100644 index 000000000000..3ca8bec62ac4 --- /dev/null +++ b/drivers/staging/vboxvideo/vbox_irq.c @@ -0,0 +1,197 @@ +/* + * Copyright (C) 2016-2017 Oracle Corporation + * This file is based on qxl_irq.c + * Copyright 2013 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Dave Airlie + * Alon Levy + * Michael Thayer <michael.thayer@oracle.com, + * Hans de Goede <hdegoede@redhat.com> + */ + +#include <drm/drm_crtc_helper.h> + +#include "vbox_drv.h" +#include "vboxvideo.h" + +static void vbox_clear_irq(void) +{ + outl((u32)~0, VGA_PORT_HGSMI_HOST); +} + +static u32 vbox_get_flags(struct vbox_private *vbox) +{ + return readl(vbox->guest_heap + HOST_FLAGS_OFFSET); +} + +void vbox_report_hotplug(struct vbox_private *vbox) +{ + schedule_work(&vbox->hotplug_work); +} + +irqreturn_t vbox_irq_handler(int irq, void *arg) +{ + struct drm_device *dev = (struct drm_device *)arg; + struct vbox_private *vbox = (struct vbox_private *)dev->dev_private; + u32 host_flags = vbox_get_flags(vbox); + + if (!(host_flags & HGSMIHOSTFLAGS_IRQ)) + return IRQ_NONE; + + /* + * Due to a bug in the initial host implementation of hot-plug irqs, + * the hot-plug and cursor capability flags were never cleared. + * Fortunately we can tell when they would have been set by checking + * that the VSYNC flag is not set. + */ + if (host_flags & + (HGSMIHOSTFLAGS_HOTPLUG | HGSMIHOSTFLAGS_CURSOR_CAPABILITIES) && + !(host_flags & HGSMIHOSTFLAGS_VSYNC)) + vbox_report_hotplug(vbox); + + vbox_clear_irq(); + + return IRQ_HANDLED; +} + +/** + * Check that the position hints provided by the host are suitable for GNOME + * shell (i.e. all screens disjoint and hints for all enabled screens) and if + * not replace them with default ones. Providing valid hints improves the + * chances that we will get a known screen layout for pointer mapping. + */ +static void validate_or_set_position_hints(struct vbox_private *vbox) +{ + struct vbva_modehint *hintsi, *hintsj; + bool valid = true; + u16 currentx = 0; + int i, j; + + for (i = 0; i < vbox->num_crtcs; ++i) { + for (j = 0; j < i; ++j) { + hintsi = &vbox->last_mode_hints[i]; + hintsj = &vbox->last_mode_hints[j]; + + if (hintsi->enabled && hintsj->enabled) { + if (hintsi->dx >= 0xffff || + hintsi->dy >= 0xffff || + hintsj->dx >= 0xffff || + hintsj->dy >= 0xffff || + (hintsi->dx < + hintsj->dx + (hintsj->cx & 0x8fff) && + hintsi->dx + (hintsi->cx & 0x8fff) > + hintsj->dx) || + (hintsi->dy < + hintsj->dy + (hintsj->cy & 0x8fff) && + hintsi->dy + (hintsi->cy & 0x8fff) > + hintsj->dy)) + valid = false; + } + } + } + if (!valid) + for (i = 0; i < vbox->num_crtcs; ++i) { + if (vbox->last_mode_hints[i].enabled) { + vbox->last_mode_hints[i].dx = currentx; + vbox->last_mode_hints[i].dy = 0; + currentx += + vbox->last_mode_hints[i].cx & 0x8fff; + } + } +} + +/** + * Query the host for the most recent video mode hints. + */ +static void vbox_update_mode_hints(struct vbox_private *vbox) +{ + struct drm_device *dev = vbox->dev; + struct drm_connector *connector; + struct vbox_connector *vbox_conn; + struct vbva_modehint *hints; + u16 flags; + bool disconnected; + unsigned int crtc_id; + int ret; + + ret = hgsmi_get_mode_hints(vbox->guest_pool, vbox->num_crtcs, + vbox->last_mode_hints); + if (ret) { + DRM_ERROR("vboxvideo: hgsmi_get_mode_hints failed: %d\n", ret); + return; + } + + validate_or_set_position_hints(vbox); + drm_modeset_lock_all(dev); + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + vbox_conn = to_vbox_connector(connector); + + hints = &vbox->last_mode_hints[vbox_conn->vbox_crtc->crtc_id]; + if (hints->magic != VBVAMODEHINT_MAGIC) + continue; + + disconnected = !(hints->enabled); + crtc_id = vbox_conn->vbox_crtc->crtc_id; + vbox_conn->mode_hint.width = hints->cx & 0x8fff; + vbox_conn->mode_hint.height = hints->cy & 0x8fff; + vbox_conn->vbox_crtc->x_hint = hints->dx; + vbox_conn->vbox_crtc->y_hint = hints->dy; + vbox_conn->mode_hint.disconnected = disconnected; + + if (vbox_conn->vbox_crtc->disconnected == disconnected) + continue; + + if (disconnected) + flags = VBVA_SCREEN_F_ACTIVE | VBVA_SCREEN_F_DISABLED; + else + flags = VBVA_SCREEN_F_ACTIVE | VBVA_SCREEN_F_BLANK; + + hgsmi_process_display_info(vbox->guest_pool, crtc_id, 0, 0, 0, + hints->cx * 4, hints->cx, + hints->cy, 0, flags); + + vbox_conn->vbox_crtc->disconnected = disconnected; + } + drm_modeset_unlock_all(dev); +} + +static void vbox_hotplug_worker(struct work_struct *work) +{ + struct vbox_private *vbox = container_of(work, struct vbox_private, + hotplug_work); + + vbox_update_mode_hints(vbox); + drm_kms_helper_hotplug_event(vbox->dev); +} + +int vbox_irq_init(struct vbox_private *vbox) +{ + INIT_WORK(&vbox->hotplug_work, vbox_hotplug_worker); + vbox_update_mode_hints(vbox); + + return drm_irq_install(vbox->dev, vbox->dev->pdev->irq); +} + +void vbox_irq_fini(struct vbox_private *vbox) +{ + drm_irq_uninstall(vbox->dev); + flush_work(&vbox->hotplug_work); +} diff --git a/drivers/staging/vboxvideo/vbox_main.c b/drivers/staging/vboxvideo/vbox_main.c new file mode 100644 index 000000000000..d0c6ec75a3c7 --- /dev/null +++ b/drivers/staging/vboxvideo/vbox_main.c @@ -0,0 +1,534 @@ +/* + * Copyright (C) 2013-2017 Oracle Corporation + * This file is based on ast_main.c + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * Authors: Dave Airlie <airlied@redhat.com>, + * Michael Thayer <michael.thayer@oracle.com, + * Hans de Goede <hdegoede@redhat.com> + */ +#include <drm/drm_fb_helper.h> +#include <drm/drm_crtc_helper.h> + +#include "vbox_drv.h" +#include "vbox_err.h" +#include "vboxvideo_guest.h" +#include "vboxvideo_vbe.h" + +static void vbox_user_framebuffer_destroy(struct drm_framebuffer *fb) +{ + struct vbox_framebuffer *vbox_fb = to_vbox_framebuffer(fb); + + if (vbox_fb->obj) + drm_gem_object_unreference_unlocked(vbox_fb->obj); + + drm_framebuffer_cleanup(fb); + kfree(fb); +} + +void vbox_enable_accel(struct vbox_private *vbox) +{ + unsigned int i; + struct vbva_buffer *vbva; + + if (!vbox->vbva_info || !vbox->vbva_buffers) { + /* Should never happen... */ + DRM_ERROR("vboxvideo: failed to set up VBVA.\n"); + return; + } + + for (i = 0; i < vbox->num_crtcs; ++i) { + if (vbox->vbva_info[i].vbva) + continue; + + vbva = (void *)vbox->vbva_buffers + i * VBVA_MIN_BUFFER_SIZE; + if (!vbva_enable(&vbox->vbva_info[i], + vbox->guest_pool, vbva, i)) { + /* very old host or driver error. */ + DRM_ERROR("vboxvideo: vbva_enable failed\n"); + return; + } + } +} + +void vbox_disable_accel(struct vbox_private *vbox) +{ + unsigned int i; + + for (i = 0; i < vbox->num_crtcs; ++i) + vbva_disable(&vbox->vbva_info[i], vbox->guest_pool, i); +} + +void vbox_report_caps(struct vbox_private *vbox) +{ + u32 caps = VBVACAPS_DISABLE_CURSOR_INTEGRATION | + VBVACAPS_IRQ | VBVACAPS_USE_VBVA_ONLY; + + if (vbox->initial_mode_queried) + caps |= VBVACAPS_VIDEO_MODE_HINTS; + + hgsmi_send_caps_info(vbox->guest_pool, caps); +} + +/** + * Send information about dirty rectangles to VBVA. If necessary we enable + * VBVA first, as this is normally disabled after a change of master in case + * the new master does not send dirty rectangle information (is this even + * allowed?) + */ +void vbox_framebuffer_dirty_rectangles(struct drm_framebuffer *fb, + struct drm_clip_rect *rects, + unsigned int num_rects) +{ + struct vbox_private *vbox = fb->dev->dev_private; + struct drm_crtc *crtc; + unsigned int i; + + mutex_lock(&vbox->hw_mutex); + list_for_each_entry(crtc, &fb->dev->mode_config.crtc_list, head) { + if (CRTC_FB(crtc) != fb) + continue; + + vbox_enable_accel(vbox); + + for (i = 0; i < num_rects; ++i) { + struct vbva_cmd_hdr cmd_hdr; + unsigned int crtc_id = to_vbox_crtc(crtc)->crtc_id; + + if ((rects[i].x1 > crtc->x + crtc->hwmode.hdisplay) || + (rects[i].y1 > crtc->y + crtc->hwmode.vdisplay) || + (rects[i].x2 < crtc->x) || + (rects[i].y2 < crtc->y)) + continue; + + cmd_hdr.x = (s16)rects[i].x1; + cmd_hdr.y = (s16)rects[i].y1; + cmd_hdr.w = (u16)rects[i].x2 - rects[i].x1; + cmd_hdr.h = (u16)rects[i].y2 - rects[i].y1; + + if (!vbva_buffer_begin_update(&vbox->vbva_info[crtc_id], + vbox->guest_pool)) + continue; + + vbva_write(&vbox->vbva_info[crtc_id], vbox->guest_pool, + &cmd_hdr, sizeof(cmd_hdr)); + vbva_buffer_end_update(&vbox->vbva_info[crtc_id]); + } + } + mutex_unlock(&vbox->hw_mutex); +} + +static int vbox_user_framebuffer_dirty(struct drm_framebuffer *fb, + struct drm_file *file_priv, + unsigned int flags, unsigned int color, + struct drm_clip_rect *rects, + unsigned int num_rects) +{ + vbox_framebuffer_dirty_rectangles(fb, rects, num_rects); + + return 0; +} + +static const struct drm_framebuffer_funcs vbox_fb_funcs = { + .destroy = vbox_user_framebuffer_destroy, + .dirty = vbox_user_framebuffer_dirty, +}; + +int vbox_framebuffer_init(struct drm_device *dev, + struct vbox_framebuffer *vbox_fb, + const struct DRM_MODE_FB_CMD *mode_cmd, + struct drm_gem_object *obj) +{ + int ret; + + drm_helper_mode_fill_fb_struct(dev, &vbox_fb->base, mode_cmd); + vbox_fb->obj = obj; + ret = drm_framebuffer_init(dev, &vbox_fb->base, &vbox_fb_funcs); + if (ret) { + DRM_ERROR("framebuffer init failed %d\n", ret); + return ret; + } + + return 0; +} + +static struct drm_framebuffer *vbox_user_framebuffer_create( + struct drm_device *dev, + struct drm_file *filp, + const struct drm_mode_fb_cmd2 *mode_cmd) +{ + struct drm_gem_object *obj; + struct vbox_framebuffer *vbox_fb; + int ret = -ENOMEM; + + obj = drm_gem_object_lookup(filp, mode_cmd->handles[0]); + if (!obj) + return ERR_PTR(-ENOENT); + + vbox_fb = kzalloc(sizeof(*vbox_fb), GFP_KERNEL); + if (!vbox_fb) + goto err_unref_obj; + + ret = vbox_framebuffer_init(dev, vbox_fb, mode_cmd, obj); + if (ret) + goto err_free_vbox_fb; + + return &vbox_fb->base; + +err_free_vbox_fb: + kfree(vbox_fb); +err_unref_obj: + drm_gem_object_unreference_unlocked(obj); + return ERR_PTR(ret); +} + +static const struct drm_mode_config_funcs vbox_mode_funcs = { + .fb_create = vbox_user_framebuffer_create, +}; + +static int vbox_accel_init(struct vbox_private *vbox) +{ + unsigned int i; + + vbox->vbva_info = devm_kcalloc(vbox->dev->dev, vbox->num_crtcs, + sizeof(*vbox->vbva_info), GFP_KERNEL); + if (!vbox->vbva_info) + return -ENOMEM; + + /* Take a command buffer for each screen from the end of usable VRAM. */ + vbox->available_vram_size -= vbox->num_crtcs * VBVA_MIN_BUFFER_SIZE; + + vbox->vbva_buffers = pci_iomap_range(vbox->dev->pdev, 0, + vbox->available_vram_size, + vbox->num_crtcs * + VBVA_MIN_BUFFER_SIZE); + if (!vbox->vbva_buffers) + return -ENOMEM; + + for (i = 0; i < vbox->num_crtcs; ++i) + vbva_setup_buffer_context(&vbox->vbva_info[i], + vbox->available_vram_size + + i * VBVA_MIN_BUFFER_SIZE, + VBVA_MIN_BUFFER_SIZE); + + return 0; +} + +static void vbox_accel_fini(struct vbox_private *vbox) +{ + vbox_disable_accel(vbox); + pci_iounmap(vbox->dev->pdev, vbox->vbva_buffers); +} + +/** Do we support the 4.3 plus mode hint reporting interface? */ +static bool have_hgsmi_mode_hints(struct vbox_private *vbox) +{ + u32 have_hints, have_cursor; + int ret; + + ret = hgsmi_query_conf(vbox->guest_pool, + VBOX_VBVA_CONF32_MODE_HINT_REPORTING, + &have_hints); + if (ret) + return false; + + ret = hgsmi_query_conf(vbox->guest_pool, + VBOX_VBVA_CONF32_GUEST_CURSOR_REPORTING, + &have_cursor); + if (ret) + return false; + + return have_hints == VINF_SUCCESS && have_cursor == VINF_SUCCESS; +} + +static bool vbox_check_supported(u16 id) +{ + u16 dispi_id; + + vbox_write_ioport(VBE_DISPI_INDEX_ID, id); + dispi_id = inw(VBE_DISPI_IOPORT_DATA); + + return dispi_id == id; +} + +/** + * Set up our heaps and data exchange buffers in VRAM before handing the rest + * to the memory manager. + */ +static int vbox_hw_init(struct vbox_private *vbox) +{ + int ret = -ENOMEM; + + vbox->full_vram_size = inl(VBE_DISPI_IOPORT_DATA); + vbox->any_pitch = vbox_check_supported(VBE_DISPI_ID_ANYX); + + DRM_INFO("VRAM %08x\n", vbox->full_vram_size); + + /* Map guest-heap at end of vram */ + vbox->guest_heap = + pci_iomap_range(vbox->dev->pdev, 0, GUEST_HEAP_OFFSET(vbox), + GUEST_HEAP_SIZE); + if (!vbox->guest_heap) + return -ENOMEM; + + /* Create guest-heap mem-pool use 2^4 = 16 byte chunks */ + vbox->guest_pool = gen_pool_create(4, -1); + if (!vbox->guest_pool) + goto err_unmap_guest_heap; + + ret = gen_pool_add_virt(vbox->guest_pool, + (unsigned long)vbox->guest_heap, + GUEST_HEAP_OFFSET(vbox), + GUEST_HEAP_USABLE_SIZE, -1); + if (ret) + goto err_destroy_guest_pool; + + ret = hgsmi_test_query_conf(vbox->guest_pool); + if (ret) { + DRM_ERROR("vboxvideo: hgsmi_test_query_conf failed\n"); + goto err_destroy_guest_pool; + } + + /* Reduce available VRAM size to reflect the guest heap. */ + vbox->available_vram_size = GUEST_HEAP_OFFSET(vbox); + /* Linux drm represents monitors as a 32-bit array. */ + hgsmi_query_conf(vbox->guest_pool, VBOX_VBVA_CONF32_MONITOR_COUNT, + &vbox->num_crtcs); + vbox->num_crtcs = clamp_t(u32, vbox->num_crtcs, 1, VBOX_MAX_SCREENS); + + if (!have_hgsmi_mode_hints(vbox)) { + ret = -ENOTSUPP; + goto err_destroy_guest_pool; + } + + vbox->last_mode_hints = devm_kcalloc(vbox->dev->dev, vbox->num_crtcs, + sizeof(struct vbva_modehint), + GFP_KERNEL); + if (!vbox->last_mode_hints) { + ret = -ENOMEM; + goto err_destroy_guest_pool; + } + + ret = vbox_accel_init(vbox); + if (ret) + goto err_destroy_guest_pool; + + return 0; + +err_destroy_guest_pool: + gen_pool_destroy(vbox->guest_pool); +err_unmap_guest_heap: + pci_iounmap(vbox->dev->pdev, vbox->guest_heap); + return ret; +} + +static void vbox_hw_fini(struct vbox_private *vbox) +{ + vbox_accel_fini(vbox); + gen_pool_destroy(vbox->guest_pool); + pci_iounmap(vbox->dev->pdev, vbox->guest_heap); +} + +int vbox_driver_load(struct drm_device *dev, unsigned long flags) +{ + struct vbox_private *vbox; + int ret = 0; + + if (!vbox_check_supported(VBE_DISPI_ID_HGSMI)) + return -ENODEV; + + vbox = devm_kzalloc(dev->dev, sizeof(*vbox), GFP_KERNEL); + if (!vbox) + return -ENOMEM; + + dev->dev_private = vbox; + vbox->dev = dev; + + mutex_init(&vbox->hw_mutex); + + ret = vbox_hw_init(vbox); + if (ret) + return ret; + + ret = vbox_mm_init(vbox); + if (ret) + goto err_hw_fini; + + drm_mode_config_init(dev); + + dev->mode_config.funcs = (void *)&vbox_mode_funcs; + dev->mode_config.min_width = 64; + dev->mode_config.min_height = 64; + dev->mode_config.preferred_depth = 24; + dev->mode_config.max_width = VBE_DISPI_MAX_XRES; + dev->mode_config.max_height = VBE_DISPI_MAX_YRES; + + ret = vbox_mode_init(dev); + if (ret) + goto err_drm_mode_cleanup; + + ret = vbox_irq_init(vbox); + if (ret) + goto err_mode_fini; + + ret = vbox_fbdev_init(dev); + if (ret) + goto err_irq_fini; + + return 0; + +err_irq_fini: + vbox_irq_fini(vbox); +err_mode_fini: + vbox_mode_fini(dev); +err_drm_mode_cleanup: + drm_mode_config_cleanup(dev); + vbox_mm_fini(vbox); +err_hw_fini: + vbox_hw_fini(vbox); + return ret; +} + +void vbox_driver_unload(struct drm_device *dev) +{ + struct vbox_private *vbox = dev->dev_private; + + vbox_fbdev_fini(dev); + vbox_irq_fini(vbox); + vbox_mode_fini(dev); + drm_mode_config_cleanup(dev); + vbox_mm_fini(vbox); + vbox_hw_fini(vbox); +} + +/** + * @note this is described in the DRM framework documentation. AST does not + * have it, but we get an oops on driver unload if it is not present. + */ +void vbox_driver_lastclose(struct drm_device *dev) +{ + struct vbox_private *vbox = dev->dev_private; + + if (vbox->fbdev) + drm_fb_helper_restore_fbdev_mode_unlocked(&vbox->fbdev->helper); +} + +int vbox_gem_create(struct drm_device *dev, + u32 size, bool iskernel, struct drm_gem_object **obj) +{ + struct vbox_bo *vboxbo; + int ret; + + *obj = NULL; + + size = roundup(size, PAGE_SIZE); + if (size == 0) + return -EINVAL; + + ret = vbox_bo_create(dev, size, 0, 0, &vboxbo); + if (ret) { + if (ret != -ERESTARTSYS) + DRM_ERROR("failed to allocate GEM object\n"); + return ret; + } + + *obj = &vboxbo->gem; + + return 0; +} + +int vbox_dumb_create(struct drm_file *file, + struct drm_device *dev, struct drm_mode_create_dumb *args) +{ + int ret; + struct drm_gem_object *gobj; + u32 handle; + + args->pitch = args->width * ((args->bpp + 7) / 8); + args->size = args->pitch * args->height; + + ret = vbox_gem_create(dev, args->size, false, &gobj); + if (ret) + return ret; + + ret = drm_gem_handle_create(file, gobj, &handle); + drm_gem_object_unreference_unlocked(gobj); + if (ret) + return ret; + + args->handle = handle; + + return 0; +} + +static void vbox_bo_unref(struct vbox_bo **bo) +{ + struct ttm_buffer_object *tbo; + + if ((*bo) == NULL) + return; + + tbo = &((*bo)->bo); + ttm_bo_unref(&tbo); + if (!tbo) + *bo = NULL; +} + +void vbox_gem_free_object(struct drm_gem_object *obj) +{ + struct vbox_bo *vbox_bo = gem_to_vbox_bo(obj); + + vbox_bo_unref(&vbox_bo); +} + +static inline u64 vbox_bo_mmap_offset(struct vbox_bo *bo) +{ + return drm_vma_node_offset_addr(&bo->bo.vma_node); +} + +int +vbox_dumb_mmap_offset(struct drm_file *file, + struct drm_device *dev, + u32 handle, u64 *offset) +{ + struct drm_gem_object *obj; + int ret; + struct vbox_bo *bo; + + mutex_lock(&dev->struct_mutex); + obj = drm_gem_object_lookup(file, handle); + if (!obj) { + ret = -ENOENT; + goto out_unlock; + } + + bo = gem_to_vbox_bo(obj); + *offset = vbox_bo_mmap_offset(bo); + + drm_gem_object_unreference(obj); + ret = 0; + +out_unlock: + mutex_unlock(&dev->struct_mutex); + return ret; +} diff --git a/drivers/staging/vboxvideo/vbox_mode.c b/drivers/staging/vboxvideo/vbox_mode.c new file mode 100644 index 000000000000..f2b85f3256fa --- /dev/null +++ b/drivers/staging/vboxvideo/vbox_mode.c @@ -0,0 +1,877 @@ +/* + * Copyright (C) 2013-2017 Oracle Corporation + * This file is based on ast_mode.c + * Copyright 2012 Red Hat Inc. + * Parts based on xf86-video-ast + * Copyright (c) 2005 ASPEED Technology Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + */ +/* + * Authors: Dave Airlie <airlied@redhat.com> + * Michael Thayer <michael.thayer@oracle.com, + * Hans de Goede <hdegoede@redhat.com> + */ +#include <linux/export.h> +#include <drm/drm_crtc_helper.h> +#include <drm/drm_plane_helper.h> + +#include "vbox_drv.h" +#include "vboxvideo.h" +#include "hgsmi_channels.h" + +static int vbox_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv, + u32 handle, u32 width, u32 height, + s32 hot_x, s32 hot_y); +static int vbox_cursor_move(struct drm_crtc *crtc, int x, int y); + +/** + * Set a graphics mode. Poke any required values into registers, do an HGSMI + * mode set and tell the host we support advanced graphics functions. + */ +static void vbox_do_modeset(struct drm_crtc *crtc, + const struct drm_display_mode *mode) +{ + struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc); + struct vbox_private *vbox; + int width, height, bpp, pitch; + unsigned int crtc_id; + u16 flags; + s32 x_offset, y_offset; + + vbox = crtc->dev->dev_private; + width = mode->hdisplay ? mode->hdisplay : 640; + height = mode->vdisplay ? mode->vdisplay : 480; + crtc_id = vbox_crtc->crtc_id; + bpp = crtc->enabled ? CRTC_FB(crtc)->format->cpp[0] * 8 : 32; + pitch = crtc->enabled ? CRTC_FB(crtc)->pitches[0] : width * bpp / 8; + x_offset = vbox->single_framebuffer ? crtc->x : vbox_crtc->x_hint; + y_offset = vbox->single_framebuffer ? crtc->y : vbox_crtc->y_hint; + + /* + * This is the old way of setting graphics modes. It assumed one screen + * and a frame-buffer at the start of video RAM. On older versions of + * VirtualBox, certain parts of the code still assume that the first + * screen is programmed this way, so try to fake it. + */ + if (vbox_crtc->crtc_id == 0 && crtc->enabled && + vbox_crtc->fb_offset / pitch < 0xffff - crtc->y && + vbox_crtc->fb_offset % (bpp / 8) == 0) { + vbox_write_ioport(VBE_DISPI_INDEX_XRES, width); + vbox_write_ioport(VBE_DISPI_INDEX_YRES, height); + vbox_write_ioport(VBE_DISPI_INDEX_VIRT_WIDTH, pitch * 8 / bpp); + vbox_write_ioport(VBE_DISPI_INDEX_BPP, + CRTC_FB(crtc)->format->cpp[0] * 8); + vbox_write_ioport(VBE_DISPI_INDEX_ENABLE, VBE_DISPI_ENABLED); + vbox_write_ioport( + VBE_DISPI_INDEX_X_OFFSET, + vbox_crtc->fb_offset % pitch / bpp * 8 + crtc->x); + vbox_write_ioport(VBE_DISPI_INDEX_Y_OFFSET, + vbox_crtc->fb_offset / pitch + crtc->y); + } + + flags = VBVA_SCREEN_F_ACTIVE; + flags |= (crtc->enabled && !vbox_crtc->blanked) ? + 0 : VBVA_SCREEN_F_BLANK; + flags |= vbox_crtc->disconnected ? VBVA_SCREEN_F_DISABLED : 0; + hgsmi_process_display_info(vbox->guest_pool, vbox_crtc->crtc_id, + x_offset, y_offset, + crtc->x * bpp / 8 + crtc->y * pitch, + pitch, width, height, + vbox_crtc->blanked ? 0 : bpp, flags); +} + +static int vbox_set_view(struct drm_crtc *crtc) +{ + struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc); + struct vbox_private *vbox = crtc->dev->dev_private; + struct vbva_infoview *p; + + /* + * Tell the host about the view. This design originally targeted the + * Windows XP driver architecture and assumed that each screen would + * have a dedicated frame buffer with the command buffer following it, + * the whole being a "view". The host works out which screen a command + * buffer belongs to by checking whether it is in the first view, then + * whether it is in the second and so on. The first match wins. We + * cheat around this by making the first view be the managed memory + * plus the first command buffer, the second the same plus the second + * buffer and so on. + */ + p = hgsmi_buffer_alloc(vbox->guest_pool, sizeof(*p), + HGSMI_CH_VBVA, VBVA_INFO_VIEW); + if (!p) + return -ENOMEM; + + p->view_index = vbox_crtc->crtc_id; + p->view_offset = vbox_crtc->fb_offset; + p->view_size = vbox->available_vram_size - vbox_crtc->fb_offset + + vbox_crtc->crtc_id * VBVA_MIN_BUFFER_SIZE; + p->max_screen_size = vbox->available_vram_size - vbox_crtc->fb_offset; + + hgsmi_buffer_submit(vbox->guest_pool, p); + hgsmi_buffer_free(vbox->guest_pool, p); + + return 0; +} + +static void vbox_crtc_load_lut(struct drm_crtc *crtc) +{ +} + +static void vbox_crtc_dpms(struct drm_crtc *crtc, int mode) +{ + struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc); + struct vbox_private *vbox = crtc->dev->dev_private; + + switch (mode) { + case DRM_MODE_DPMS_ON: + vbox_crtc->blanked = false; + break; + case DRM_MODE_DPMS_STANDBY: + case DRM_MODE_DPMS_SUSPEND: + case DRM_MODE_DPMS_OFF: + vbox_crtc->blanked = true; + break; + } + + mutex_lock(&vbox->hw_mutex); + vbox_do_modeset(crtc, &crtc->hwmode); + mutex_unlock(&vbox->hw_mutex); +} + +static bool vbox_crtc_mode_fixup(struct drm_crtc *crtc, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + return true; +} + +/* + * Try to map the layout of virtual screens to the range of the input device. + * Return true if we need to re-set the crtc modes due to screen offset + * changes. + */ +static bool vbox_set_up_input_mapping(struct vbox_private *vbox) +{ + struct drm_crtc *crtci; + struct drm_connector *connectori; + struct drm_framebuffer *fb1 = NULL; + bool single_framebuffer = true; + bool old_single_framebuffer = vbox->single_framebuffer; + u16 width = 0, height = 0; + + /* + * Are we using an X.Org-style single large frame-buffer for all crtcs? + * If so then screen layout can be deduced from the crtc offsets. + * Same fall-back if this is the fbdev frame-buffer. + */ + list_for_each_entry(crtci, &vbox->dev->mode_config.crtc_list, head) { + if (!fb1) { + fb1 = CRTC_FB(crtci); + if (to_vbox_framebuffer(fb1) == &vbox->fbdev->afb) + break; + } else if (CRTC_FB(crtci) && fb1 != CRTC_FB(crtci)) { + single_framebuffer = false; + } + } + if (single_framebuffer) { + list_for_each_entry(crtci, &vbox->dev->mode_config.crtc_list, + head) { + if (to_vbox_crtc(crtci)->crtc_id != 0) + continue; + + vbox->single_framebuffer = true; + vbox->input_mapping_width = CRTC_FB(crtci)->width; + vbox->input_mapping_height = CRTC_FB(crtci)->height; + return old_single_framebuffer != + vbox->single_framebuffer; + } + } + /* Otherwise calculate the total span of all screens. */ + list_for_each_entry(connectori, &vbox->dev->mode_config.connector_list, + head) { + struct vbox_connector *vbox_connector = + to_vbox_connector(connectori); + struct vbox_crtc *vbox_crtc = vbox_connector->vbox_crtc; + + width = max_t(u16, width, vbox_crtc->x_hint + + vbox_connector->mode_hint.width); + height = max_t(u16, height, vbox_crtc->y_hint + + vbox_connector->mode_hint.height); + } + + vbox->single_framebuffer = false; + vbox->input_mapping_width = width; + vbox->input_mapping_height = height; + + return old_single_framebuffer != vbox->single_framebuffer; +} + +static int vbox_crtc_do_set_base(struct drm_crtc *crtc, + struct drm_framebuffer *old_fb, int x, int y) +{ + struct vbox_private *vbox = crtc->dev->dev_private; + struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc); + struct drm_gem_object *obj; + struct vbox_framebuffer *vbox_fb; + struct vbox_bo *bo; + int ret; + u64 gpu_addr; + + /* Unpin the previous fb. */ + if (old_fb) { + vbox_fb = to_vbox_framebuffer(old_fb); + obj = vbox_fb->obj; + bo = gem_to_vbox_bo(obj); + ret = vbox_bo_reserve(bo, false); + if (ret) + return ret; + + vbox_bo_unpin(bo); + vbox_bo_unreserve(bo); + } + + vbox_fb = to_vbox_framebuffer(CRTC_FB(crtc)); + obj = vbox_fb->obj; + bo = gem_to_vbox_bo(obj); + + ret = vbox_bo_reserve(bo, false); + if (ret) + return ret; + + ret = vbox_bo_pin(bo, TTM_PL_FLAG_VRAM, &gpu_addr); + if (ret) { + vbox_bo_unreserve(bo); + return ret; + } + + if (&vbox->fbdev->afb == vbox_fb) + vbox_fbdev_set_base(vbox, gpu_addr); + vbox_bo_unreserve(bo); + + /* vbox_set_start_address_crt1(crtc, (u32)gpu_addr); */ + vbox_crtc->fb_offset = gpu_addr; + if (vbox_set_up_input_mapping(vbox)) { + struct drm_crtc *crtci; + + list_for_each_entry(crtci, &vbox->dev->mode_config.crtc_list, + head) { + vbox_set_view(crtc); + vbox_do_modeset(crtci, &crtci->mode); + } + } + + return 0; +} + +static int vbox_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, + struct drm_framebuffer *old_fb) +{ + return vbox_crtc_do_set_base(crtc, old_fb, x, y); +} + +static int vbox_crtc_mode_set(struct drm_crtc *crtc, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode, + int x, int y, struct drm_framebuffer *old_fb) +{ + struct vbox_private *vbox = crtc->dev->dev_private; + int ret; + + vbox_crtc_mode_set_base(crtc, x, y, old_fb); + + mutex_lock(&vbox->hw_mutex); + ret = vbox_set_view(crtc); + if (!ret) + vbox_do_modeset(crtc, mode); + hgsmi_update_input_mapping(vbox->guest_pool, 0, 0, + vbox->input_mapping_width, + vbox->input_mapping_height); + mutex_unlock(&vbox->hw_mutex); + + return ret; +} + +static void vbox_crtc_disable(struct drm_crtc *crtc) +{ +} + +static void vbox_crtc_prepare(struct drm_crtc *crtc) +{ +} + +static void vbox_crtc_commit(struct drm_crtc *crtc) +{ +} + +static const struct drm_crtc_helper_funcs vbox_crtc_helper_funcs = { + .dpms = vbox_crtc_dpms, + .mode_fixup = vbox_crtc_mode_fixup, + .mode_set = vbox_crtc_mode_set, + /* .mode_set_base = vbox_crtc_mode_set_base, */ + .disable = vbox_crtc_disable, + .load_lut = vbox_crtc_load_lut, + .prepare = vbox_crtc_prepare, + .commit = vbox_crtc_commit, +}; + +static void vbox_crtc_reset(struct drm_crtc *crtc) +{ +} + +static void vbox_crtc_destroy(struct drm_crtc *crtc) +{ + drm_crtc_cleanup(crtc); + kfree(crtc); +} + +static const struct drm_crtc_funcs vbox_crtc_funcs = { + .cursor_move = vbox_cursor_move, + .cursor_set2 = vbox_cursor_set2, + .reset = vbox_crtc_reset, + .set_config = drm_crtc_helper_set_config, + /* .gamma_set = vbox_crtc_gamma_set, */ + .destroy = vbox_crtc_destroy, +}; + +static struct vbox_crtc *vbox_crtc_init(struct drm_device *dev, unsigned int i) +{ + struct vbox_crtc *vbox_crtc; + + vbox_crtc = kzalloc(sizeof(*vbox_crtc), GFP_KERNEL); + if (!vbox_crtc) + return NULL; + + vbox_crtc->crtc_id = i; + + drm_crtc_init(dev, &vbox_crtc->base, &vbox_crtc_funcs); + drm_mode_crtc_set_gamma_size(&vbox_crtc->base, 256); + drm_crtc_helper_add(&vbox_crtc->base, &vbox_crtc_helper_funcs); + + return vbox_crtc; +} + +static void vbox_encoder_destroy(struct drm_encoder *encoder) +{ + drm_encoder_cleanup(encoder); + kfree(encoder); +} + +static struct drm_encoder *vbox_best_single_encoder(struct drm_connector + *connector) +{ + int enc_id = connector->encoder_ids[0]; + + /* pick the encoder ids */ + if (enc_id) + return drm_encoder_find(connector->dev, enc_id); + + return NULL; +} + +static const struct drm_encoder_funcs vbox_enc_funcs = { + .destroy = vbox_encoder_destroy, +}; + +static void vbox_encoder_dpms(struct drm_encoder *encoder, int mode) +{ +} + +static bool vbox_mode_fixup(struct drm_encoder *encoder, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + return true; +} + +static void vbox_encoder_mode_set(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ +} + +static void vbox_encoder_prepare(struct drm_encoder *encoder) +{ +} + +static void vbox_encoder_commit(struct drm_encoder *encoder) +{ +} + +static const struct drm_encoder_helper_funcs vbox_enc_helper_funcs = { + .dpms = vbox_encoder_dpms, + .mode_fixup = vbox_mode_fixup, + .prepare = vbox_encoder_prepare, + .commit = vbox_encoder_commit, + .mode_set = vbox_encoder_mode_set, +}; + +static struct drm_encoder *vbox_encoder_init(struct drm_device *dev, + unsigned int i) +{ + struct vbox_encoder *vbox_encoder; + + vbox_encoder = kzalloc(sizeof(*vbox_encoder), GFP_KERNEL); + if (!vbox_encoder) + return NULL; + + drm_encoder_init(dev, &vbox_encoder->base, &vbox_enc_funcs, + DRM_MODE_ENCODER_DAC, NULL); + drm_encoder_helper_add(&vbox_encoder->base, &vbox_enc_helper_funcs); + + vbox_encoder->base.possible_crtcs = 1 << i; + return &vbox_encoder->base; +} + +/** + * Generate EDID data with a mode-unique serial number for the virtual + * monitor to try to persuade Unity that different modes correspond to + * different monitors and it should not try to force the same resolution on + * them. + */ +static void vbox_set_edid(struct drm_connector *connector, int width, + int height) +{ + enum { EDID_SIZE = 128 }; + unsigned char edid[EDID_SIZE] = { + 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, /* header */ + 0x58, 0x58, /* manufacturer (VBX) */ + 0x00, 0x00, /* product code */ + 0x00, 0x00, 0x00, 0x00, /* serial number goes here */ + 0x01, /* week of manufacture */ + 0x00, /* year of manufacture */ + 0x01, 0x03, /* EDID version */ + 0x80, /* capabilities - digital */ + 0x00, /* horiz. res in cm, zero for projectors */ + 0x00, /* vert. res in cm */ + 0x78, /* display gamma (120 == 2.2). */ + 0xEE, /* features (standby, suspend, off, RGB, std */ + /* colour space, preferred timing mode) */ + 0xEE, 0x91, 0xA3, 0x54, 0x4C, 0x99, 0x26, 0x0F, 0x50, 0x54, + /* chromaticity for standard colour space. */ + 0x00, 0x00, 0x00, /* no default timings */ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, /* no standard timings */ + 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x00, 0x02, 0x02, + 0x02, 0x02, + /* descriptor block 1 goes below */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* descriptor block 2, monitor ranges */ + 0x00, 0x00, 0x00, 0xFD, 0x00, + 0x00, 0xC8, 0x00, 0xC8, 0x64, 0x00, 0x0A, 0x20, 0x20, 0x20, + 0x20, 0x20, + /* 0-200Hz vertical, 0-200KHz horizontal, 1000MHz pixel clock */ + 0x20, + /* descriptor block 3, monitor name */ + 0x00, 0x00, 0x00, 0xFC, 0x00, + 'V', 'B', 'O', 'X', ' ', 'm', 'o', 'n', 'i', 't', 'o', 'r', + '\n', + /* descriptor block 4: dummy data */ + 0x00, 0x00, 0x00, 0x10, 0x00, + 0x0A, 0x20, 0x20, 0x20, 0x20, 0x20, + 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, + 0x20, + 0x00, /* number of extensions */ + 0x00 /* checksum goes here */ + }; + int clock = (width + 6) * (height + 6) * 60 / 10000; + unsigned int i, sum = 0; + + edid[12] = width & 0xff; + edid[13] = width >> 8; + edid[14] = height & 0xff; + edid[15] = height >> 8; + edid[54] = clock & 0xff; + edid[55] = clock >> 8; + edid[56] = width & 0xff; + edid[58] = (width >> 4) & 0xf0; + edid[59] = height & 0xff; + edid[61] = (height >> 4) & 0xf0; + for (i = 0; i < EDID_SIZE - 1; ++i) + sum += edid[i]; + edid[EDID_SIZE - 1] = (0x100 - (sum & 0xFF)) & 0xFF; + drm_mode_connector_update_edid_property(connector, (struct edid *)edid); +} + +static int vbox_get_modes(struct drm_connector *connector) +{ + struct vbox_connector *vbox_connector = NULL; + struct drm_display_mode *mode = NULL; + struct vbox_private *vbox = NULL; + unsigned int num_modes = 0; + int preferred_width, preferred_height; + + vbox_connector = to_vbox_connector(connector); + vbox = connector->dev->dev_private; + /* + * Heuristic: we do not want to tell the host that we support dynamic + * resizing unless we feel confident that the user space client using + * the video driver can handle hot-plug events. So the first time modes + * are queried after a "master" switch we tell the host that we do not, + * and immediately after we send the client a hot-plug notification as + * a test to see if they will respond and query again. + * That is also the reason why capabilities are reported to the host at + * this place in the code rather than elsewhere. + * We need to report the flags location before reporting the IRQ + * capability. + */ + hgsmi_report_flags_location(vbox->guest_pool, GUEST_HEAP_OFFSET(vbox) + + HOST_FLAGS_OFFSET); + if (vbox_connector->vbox_crtc->crtc_id == 0) + vbox_report_caps(vbox); + if (!vbox->initial_mode_queried) { + if (vbox_connector->vbox_crtc->crtc_id == 0) { + vbox->initial_mode_queried = true; + vbox_report_hotplug(vbox); + } + return drm_add_modes_noedid(connector, 800, 600); + } + num_modes = drm_add_modes_noedid(connector, 2560, 1600); + preferred_width = vbox_connector->mode_hint.width ? + vbox_connector->mode_hint.width : 1024; + preferred_height = vbox_connector->mode_hint.height ? + vbox_connector->mode_hint.height : 768; + mode = drm_cvt_mode(connector->dev, preferred_width, preferred_height, + 60, false, false, false); + if (mode) { + mode->type |= DRM_MODE_TYPE_PREFERRED; + drm_mode_probed_add(connector, mode); + ++num_modes; + } + vbox_set_edid(connector, preferred_width, preferred_height); + drm_object_property_set_value( + &connector->base, vbox->dev->mode_config.suggested_x_property, + vbox_connector->vbox_crtc->x_hint); + drm_object_property_set_value( + &connector->base, vbox->dev->mode_config.suggested_y_property, + vbox_connector->vbox_crtc->y_hint); + + return num_modes; +} + +static int vbox_mode_valid(struct drm_connector *connector, + struct drm_display_mode *mode) +{ + return MODE_OK; +} + +static void vbox_connector_destroy(struct drm_connector *connector) +{ + struct vbox_connector *vbox_connector; + + vbox_connector = to_vbox_connector(connector); + drm_connector_unregister(connector); + drm_connector_cleanup(connector); + kfree(connector); +} + +static enum drm_connector_status +vbox_connector_detect(struct drm_connector *connector, bool force) +{ + struct vbox_connector *vbox_connector; + + vbox_connector = to_vbox_connector(connector); + + return vbox_connector->mode_hint.disconnected ? + connector_status_disconnected : connector_status_connected; +} + +static int vbox_fill_modes(struct drm_connector *connector, u32 max_x, + u32 max_y) +{ + struct vbox_connector *vbox_connector; + struct drm_device *dev; + struct drm_display_mode *mode, *iterator; + + vbox_connector = to_vbox_connector(connector); + dev = vbox_connector->base.dev; + list_for_each_entry_safe(mode, iterator, &connector->modes, head) { + list_del(&mode->head); + drm_mode_destroy(dev, mode); + } + + return drm_helper_probe_single_connector_modes(connector, max_x, max_y); +} + +static const struct drm_connector_helper_funcs vbox_connector_helper_funcs = { + .mode_valid = vbox_mode_valid, + .get_modes = vbox_get_modes, + .best_encoder = vbox_best_single_encoder, +}; + +static const struct drm_connector_funcs vbox_connector_funcs = { + .dpms = drm_helper_connector_dpms, + .detect = vbox_connector_detect, + .fill_modes = vbox_fill_modes, + .destroy = vbox_connector_destroy, +}; + +static int vbox_connector_init(struct drm_device *dev, + struct vbox_crtc *vbox_crtc, + struct drm_encoder *encoder) +{ + struct vbox_connector *vbox_connector; + struct drm_connector *connector; + + vbox_connector = kzalloc(sizeof(*vbox_connector), GFP_KERNEL); + if (!vbox_connector) + return -ENOMEM; + + connector = &vbox_connector->base; + vbox_connector->vbox_crtc = vbox_crtc; + + drm_connector_init(dev, connector, &vbox_connector_funcs, + DRM_MODE_CONNECTOR_VGA); + drm_connector_helper_add(connector, &vbox_connector_helper_funcs); + + connector->interlace_allowed = 0; + connector->doublescan_allowed = 0; + + drm_mode_create_suggested_offset_properties(dev); + drm_object_attach_property(&connector->base, + dev->mode_config.suggested_x_property, -1); + drm_object_attach_property(&connector->base, + dev->mode_config.suggested_y_property, -1); + drm_connector_register(connector); + + drm_mode_connector_attach_encoder(connector, encoder); + + return 0; +} + +int vbox_mode_init(struct drm_device *dev) +{ + struct vbox_private *vbox = dev->dev_private; + struct drm_encoder *encoder; + struct vbox_crtc *vbox_crtc; + unsigned int i; + int ret; + + /* vbox_cursor_init(dev); */ + for (i = 0; i < vbox->num_crtcs; ++i) { + vbox_crtc = vbox_crtc_init(dev, i); + if (!vbox_crtc) + return -ENOMEM; + encoder = vbox_encoder_init(dev, i); + if (!encoder) + return -ENOMEM; + ret = vbox_connector_init(dev, vbox_crtc, encoder); + if (ret) + return ret; + } + + return 0; +} + +void vbox_mode_fini(struct drm_device *dev) +{ + /* vbox_cursor_fini(dev); */ +} + +/** + * Copy the ARGB image and generate the mask, which is needed in case the host + * does not support ARGB cursors. The mask is a 1BPP bitmap with the bit set + * if the corresponding alpha value in the ARGB image is greater than 0xF0. + */ +static void copy_cursor_image(u8 *src, u8 *dst, u32 width, u32 height, + size_t mask_size) +{ + size_t line_size = (width + 7) / 8; + u32 i, j; + + memcpy(dst + mask_size, src, width * height * 4); + for (i = 0; i < height; ++i) + for (j = 0; j < width; ++j) + if (((u32 *)src)[i * width + j] > 0xf0000000) + dst[i * line_size + j / 8] |= (0x80 >> (j % 8)); +} + +static int vbox_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv, + u32 handle, u32 width, u32 height, + s32 hot_x, s32 hot_y) +{ + struct vbox_private *vbox = crtc->dev->dev_private; + struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc); + struct ttm_bo_kmap_obj uobj_map; + size_t data_size, mask_size; + struct drm_gem_object *obj; + u32 flags, caps = 0; + struct vbox_bo *bo; + bool src_isiomem; + u8 *dst = NULL; + u8 *src; + int ret; + + /* + * Re-set this regularly as in 5.0.20 and earlier the information was + * lost on save and restore. + */ + hgsmi_update_input_mapping(vbox->guest_pool, 0, 0, + vbox->input_mapping_width, + vbox->input_mapping_height); + if (!handle) { + bool cursor_enabled = false; + struct drm_crtc *crtci; + + /* Hide cursor. */ + vbox_crtc->cursor_enabled = false; + list_for_each_entry(crtci, &vbox->dev->mode_config.crtc_list, + head) { + if (to_vbox_crtc(crtci)->cursor_enabled) + cursor_enabled = true; + } + + if (!cursor_enabled) + hgsmi_update_pointer_shape(vbox->guest_pool, 0, 0, 0, + 0, 0, NULL, 0); + return 0; + } + + vbox_crtc->cursor_enabled = true; + + if (width > VBOX_MAX_CURSOR_WIDTH || height > VBOX_MAX_CURSOR_HEIGHT || + width == 0 || height == 0) + return -EINVAL; + + ret = hgsmi_query_conf(vbox->guest_pool, + VBOX_VBVA_CONF32_CURSOR_CAPABILITIES, &caps); + if (ret) + return ret; + + if (!(caps & VBOX_VBVA_CURSOR_CAPABILITY_HARDWARE)) { + /* + * -EINVAL means cursor_set2() not supported, -EAGAIN means + * retry at once. + */ + return -EBUSY; + } + + obj = drm_gem_object_lookup(file_priv, handle); + if (!obj) { + DRM_ERROR("Cannot find cursor object %x for crtc\n", handle); + return -ENOENT; + } + + bo = gem_to_vbox_bo(obj); + ret = vbox_bo_reserve(bo, false); + if (ret) + goto out_unref_obj; + + /* + * The mask must be calculated based on the alpha + * channel, one bit per ARGB word, and must be 32-bit + * padded. + */ + mask_size = ((width + 7) / 8 * height + 3) & ~3; + data_size = width * height * 4 + mask_size; + vbox->cursor_hot_x = min_t(u32, max(hot_x, 0), width); + vbox->cursor_hot_y = min_t(u32, max(hot_y, 0), height); + vbox->cursor_width = width; + vbox->cursor_height = height; + vbox->cursor_data_size = data_size; + dst = vbox->cursor_data; + + ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &uobj_map); + if (ret) { + vbox->cursor_data_size = 0; + goto out_unreserve_bo; + } + + src = ttm_kmap_obj_virtual(&uobj_map, &src_isiomem); + if (src_isiomem) { + DRM_ERROR("src cursor bo not in main memory\n"); + ret = -EIO; + goto out_unmap_bo; + } + + copy_cursor_image(src, dst, width, height, mask_size); + + flags = VBOX_MOUSE_POINTER_VISIBLE | VBOX_MOUSE_POINTER_SHAPE | + VBOX_MOUSE_POINTER_ALPHA; + ret = hgsmi_update_pointer_shape(vbox->guest_pool, flags, + vbox->cursor_hot_x, vbox->cursor_hot_y, + width, height, dst, data_size); +out_unmap_bo: + ttm_bo_kunmap(&uobj_map); +out_unreserve_bo: + vbox_bo_unreserve(bo); +out_unref_obj: + drm_gem_object_unreference_unlocked(obj); + + return ret; +} + +static int vbox_cursor_move(struct drm_crtc *crtc, int x, int y) +{ + struct vbox_private *vbox = crtc->dev->dev_private; + u32 flags = VBOX_MOUSE_POINTER_VISIBLE | + VBOX_MOUSE_POINTER_SHAPE | VBOX_MOUSE_POINTER_ALPHA; + s32 crtc_x = + vbox->single_framebuffer ? crtc->x : to_vbox_crtc(crtc)->x_hint; + s32 crtc_y = + vbox->single_framebuffer ? crtc->y : to_vbox_crtc(crtc)->y_hint; + u32 host_x, host_y; + u32 hot_x = 0; + u32 hot_y = 0; + int ret; + + /* + * We compare these to unsigned later and don't + * need to handle negative. + */ + if (x + crtc_x < 0 || y + crtc_y < 0 || vbox->cursor_data_size == 0) + return 0; + + ret = hgsmi_cursor_position(vbox->guest_pool, true, x + crtc_x, + y + crtc_y, &host_x, &host_y); + + /* + * The only reason we have vbox_cursor_move() is that some older clients + * might use DRM_IOCTL_MODE_CURSOR instead of DRM_IOCTL_MODE_CURSOR2 and + * use DRM_MODE_CURSOR_MOVE to set the hot-spot. + * + * However VirtualBox 5.0.20 and earlier has a bug causing it to return + * 0,0 as host cursor location after a save and restore. + * + * To work around this we ignore a 0, 0 return, since missing the odd + * time when it legitimately happens is not going to hurt much. + */ + if (ret || (host_x == 0 && host_y == 0)) + return ret; + + if (x + crtc_x < host_x) + hot_x = min(host_x - x - crtc_x, vbox->cursor_width); + if (y + crtc_y < host_y) + hot_y = min(host_y - y - crtc_y, vbox->cursor_height); + + if (hot_x == vbox->cursor_hot_x && hot_y == vbox->cursor_hot_y) + return 0; + + vbox->cursor_hot_x = hot_x; + vbox->cursor_hot_y = hot_y; + + return hgsmi_update_pointer_shape(vbox->guest_pool, flags, + hot_x, hot_y, vbox->cursor_width, vbox->cursor_height, + vbox->cursor_data, vbox->cursor_data_size); +} diff --git a/drivers/staging/vboxvideo/vbox_prime.c b/drivers/staging/vboxvideo/vbox_prime.c new file mode 100644 index 000000000000..b7453e427a1d --- /dev/null +++ b/drivers/staging/vboxvideo/vbox_prime.c @@ -0,0 +1,74 @@ +/* + * Copyright (C) 2017 Oracle Corporation + * Copyright 2017 Canonical + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Andreas Pokorny + */ + +#include "vbox_drv.h" + +/* + * Based on qxl_prime.c: + * Empty Implementations as there should not be any other driver for a virtual + * device that might share buffers with vboxvideo + */ + +int vbox_gem_prime_pin(struct drm_gem_object *obj) +{ + WARN_ONCE(1, "not implemented"); + return -ENOSYS; +} + +void vbox_gem_prime_unpin(struct drm_gem_object *obj) +{ + WARN_ONCE(1, "not implemented"); +} + +struct sg_table *vbox_gem_prime_get_sg_table(struct drm_gem_object *obj) +{ + WARN_ONCE(1, "not implemented"); + return ERR_PTR(-ENOSYS); +} + +struct drm_gem_object *vbox_gem_prime_import_sg_table( + struct drm_device *dev, struct dma_buf_attachment *attach, + struct sg_table *table) +{ + WARN_ONCE(1, "not implemented"); + return ERR_PTR(-ENOSYS); +} + +void *vbox_gem_prime_vmap(struct drm_gem_object *obj) +{ + WARN_ONCE(1, "not implemented"); + return ERR_PTR(-ENOSYS); +} + +void vbox_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) +{ + WARN_ONCE(1, "not implemented"); +} + +int vbox_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *area) +{ + WARN_ONCE(1, "not implemented"); + return -ENOSYS; +} diff --git a/drivers/staging/vboxvideo/vbox_ttm.c b/drivers/staging/vboxvideo/vbox_ttm.c new file mode 100644 index 000000000000..34a905d40735 --- /dev/null +++ b/drivers/staging/vboxvideo/vbox_ttm.c @@ -0,0 +1,472 @@ +/* + * Copyright (C) 2013-2017 Oracle Corporation + * This file is based on ast_ttm.c + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * + * Authors: Dave Airlie <airlied@redhat.com> + * Michael Thayer <michael.thayer@oracle.com> + */ +#include "vbox_drv.h" +#include <ttm/ttm_page_alloc.h> + +static inline struct vbox_private *vbox_bdev(struct ttm_bo_device *bd) +{ + return container_of(bd, struct vbox_private, ttm.bdev); +} + +static int vbox_ttm_mem_global_init(struct drm_global_reference *ref) +{ + return ttm_mem_global_init(ref->object); +} + +static void vbox_ttm_mem_global_release(struct drm_global_reference *ref) +{ + ttm_mem_global_release(ref->object); +} + +/** + * Adds the vbox memory manager object/structures to the global memory manager. + */ +static int vbox_ttm_global_init(struct vbox_private *vbox) +{ + struct drm_global_reference *global_ref; + int ret; + + global_ref = &vbox->ttm.mem_global_ref; + global_ref->global_type = DRM_GLOBAL_TTM_MEM; + global_ref->size = sizeof(struct ttm_mem_global); + global_ref->init = &vbox_ttm_mem_global_init; + global_ref->release = &vbox_ttm_mem_global_release; + ret = drm_global_item_ref(global_ref); + if (ret) { + DRM_ERROR("Failed setting up TTM memory subsystem.\n"); + return ret; + } + + vbox->ttm.bo_global_ref.mem_glob = vbox->ttm.mem_global_ref.object; + global_ref = &vbox->ttm.bo_global_ref.ref; + global_ref->global_type = DRM_GLOBAL_TTM_BO; + global_ref->size = sizeof(struct ttm_bo_global); + global_ref->init = &ttm_bo_global_init; + global_ref->release = &ttm_bo_global_release; + + ret = drm_global_item_ref(global_ref); + if (ret) { + DRM_ERROR("Failed setting up TTM BO subsystem.\n"); + drm_global_item_unref(&vbox->ttm.mem_global_ref); + return ret; + } + + return 0; +} + +/** + * Removes the vbox memory manager object from the global memory manager. + */ +static void vbox_ttm_global_release(struct vbox_private *vbox) +{ + drm_global_item_unref(&vbox->ttm.bo_global_ref.ref); + drm_global_item_unref(&vbox->ttm.mem_global_ref); +} + +static void vbox_bo_ttm_destroy(struct ttm_buffer_object *tbo) +{ + struct vbox_bo *bo; + + bo = container_of(tbo, struct vbox_bo, bo); + + drm_gem_object_release(&bo->gem); + kfree(bo); +} + +static bool vbox_ttm_bo_is_vbox_bo(struct ttm_buffer_object *bo) +{ + if (bo->destroy == &vbox_bo_ttm_destroy) + return true; + + return false; +} + +static int +vbox_bo_init_mem_type(struct ttm_bo_device *bdev, u32 type, + struct ttm_mem_type_manager *man) +{ + switch (type) { + case TTM_PL_SYSTEM: + man->flags = TTM_MEMTYPE_FLAG_MAPPABLE; + man->available_caching = TTM_PL_MASK_CACHING; + man->default_caching = TTM_PL_FLAG_CACHED; + break; + case TTM_PL_VRAM: + man->func = &ttm_bo_manager_func; + man->flags = TTM_MEMTYPE_FLAG_FIXED | TTM_MEMTYPE_FLAG_MAPPABLE; + man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC; + man->default_caching = TTM_PL_FLAG_WC; + break; + default: + DRM_ERROR("Unsupported memory type %u\n", (unsigned int)type); + return -EINVAL; + } + + return 0; +} + +static void +vbox_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl) +{ + struct vbox_bo *vboxbo = vbox_bo(bo); + + if (!vbox_ttm_bo_is_vbox_bo(bo)) + return; + + vbox_ttm_placement(vboxbo, TTM_PL_FLAG_SYSTEM); + *pl = vboxbo->placement; +} + +static int vbox_bo_verify_access(struct ttm_buffer_object *bo, + struct file *filp) +{ + return 0; +} + +static int vbox_ttm_io_mem_reserve(struct ttm_bo_device *bdev, + struct ttm_mem_reg *mem) +{ + struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type]; + struct vbox_private *vbox = vbox_bdev(bdev); + + mem->bus.addr = NULL; + mem->bus.offset = 0; + mem->bus.size = mem->num_pages << PAGE_SHIFT; + mem->bus.base = 0; + mem->bus.is_iomem = false; + if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE)) + return -EINVAL; + switch (mem->mem_type) { + case TTM_PL_SYSTEM: + /* system memory */ + return 0; + case TTM_PL_VRAM: + mem->bus.offset = mem->start << PAGE_SHIFT; + mem->bus.base = pci_resource_start(vbox->dev->pdev, 0); + mem->bus.is_iomem = true; + break; + default: + return -EINVAL; + } + return 0; +} + +static void vbox_ttm_io_mem_free(struct ttm_bo_device *bdev, + struct ttm_mem_reg *mem) +{ +} + +static int vbox_bo_move(struct ttm_buffer_object *bo, + bool evict, bool interruptible, + bool no_wait_gpu, struct ttm_mem_reg *new_mem) +{ + return ttm_bo_move_memcpy(bo, interruptible, no_wait_gpu, new_mem); +} + +static void vbox_ttm_backend_destroy(struct ttm_tt *tt) +{ + ttm_tt_fini(tt); + kfree(tt); +} + +static struct ttm_backend_func vbox_tt_backend_func = { + .destroy = &vbox_ttm_backend_destroy, +}; + +static struct ttm_tt *vbox_ttm_tt_create(struct ttm_bo_device *bdev, + unsigned long size, + u32 page_flags, + struct page *dummy_read_page) +{ + struct ttm_tt *tt; + + tt = kzalloc(sizeof(*tt), GFP_KERNEL); + if (!tt) + return NULL; + + tt->func = &vbox_tt_backend_func; + if (ttm_tt_init(tt, bdev, size, page_flags, dummy_read_page)) { + kfree(tt); + return NULL; + } + + return tt; +} + +static int vbox_ttm_tt_populate(struct ttm_tt *ttm) +{ + return ttm_pool_populate(ttm); +} + +static void vbox_ttm_tt_unpopulate(struct ttm_tt *ttm) +{ + ttm_pool_unpopulate(ttm); +} + +struct ttm_bo_driver vbox_bo_driver = { + .ttm_tt_create = vbox_ttm_tt_create, + .ttm_tt_populate = vbox_ttm_tt_populate, + .ttm_tt_unpopulate = vbox_ttm_tt_unpopulate, + .init_mem_type = vbox_bo_init_mem_type, + .eviction_valuable = ttm_bo_eviction_valuable, + .evict_flags = vbox_bo_evict_flags, + .move = vbox_bo_move, + .verify_access = vbox_bo_verify_access, + .io_mem_reserve = &vbox_ttm_io_mem_reserve, + .io_mem_free = &vbox_ttm_io_mem_free, + .io_mem_pfn = ttm_bo_default_io_mem_pfn, +}; + +int vbox_mm_init(struct vbox_private *vbox) +{ + int ret; + struct drm_device *dev = vbox->dev; + struct ttm_bo_device *bdev = &vbox->ttm.bdev; + + ret = vbox_ttm_global_init(vbox); + if (ret) + return ret; + + ret = ttm_bo_device_init(&vbox->ttm.bdev, + vbox->ttm.bo_global_ref.ref.object, + &vbox_bo_driver, + dev->anon_inode->i_mapping, + DRM_FILE_PAGE_OFFSET, true); + if (ret) { + DRM_ERROR("Error initialising bo driver; %d\n", ret); + goto err_ttm_global_release; + } + + ret = ttm_bo_init_mm(bdev, TTM_PL_VRAM, + vbox->available_vram_size >> PAGE_SHIFT); + if (ret) { + DRM_ERROR("Failed ttm VRAM init: %d\n", ret); + goto err_device_release; + } + +#ifdef DRM_MTRR_WC + vbox->fb_mtrr = drm_mtrr_add(pci_resource_start(dev->pdev, 0), + pci_resource_len(dev->pdev, 0), + DRM_MTRR_WC); +#else + vbox->fb_mtrr = arch_phys_wc_add(pci_resource_start(dev->pdev, 0), + pci_resource_len(dev->pdev, 0)); +#endif + return 0; + +err_device_release: + ttm_bo_device_release(&vbox->ttm.bdev); +err_ttm_global_release: + vbox_ttm_global_release(vbox); + return ret; +} + +void vbox_mm_fini(struct vbox_private *vbox) +{ +#ifdef DRM_MTRR_WC + drm_mtrr_del(vbox->fb_mtrr, + pci_resource_start(vbox->dev->pdev, 0), + pci_resource_len(vbox->dev->pdev, 0), DRM_MTRR_WC); +#else + arch_phys_wc_del(vbox->fb_mtrr); +#endif + ttm_bo_device_release(&vbox->ttm.bdev); + vbox_ttm_global_release(vbox); +} + +void vbox_ttm_placement(struct vbox_bo *bo, int domain) +{ + unsigned int i; + u32 c = 0; + + bo->placement.placement = bo->placements; + bo->placement.busy_placement = bo->placements; + + if (domain & TTM_PL_FLAG_VRAM) + bo->placements[c++].flags = + TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_VRAM; + if (domain & TTM_PL_FLAG_SYSTEM) + bo->placements[c++].flags = + TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM; + if (!c) + bo->placements[c++].flags = + TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM; + + bo->placement.num_placement = c; + bo->placement.num_busy_placement = c; + + for (i = 0; i < c; ++i) { + bo->placements[i].fpfn = 0; + bo->placements[i].lpfn = 0; + } +} + +int vbox_bo_create(struct drm_device *dev, int size, int align, + u32 flags, struct vbox_bo **pvboxbo) +{ + struct vbox_private *vbox = dev->dev_private; + struct vbox_bo *vboxbo; + size_t acc_size; + int ret; + + vboxbo = kzalloc(sizeof(*vboxbo), GFP_KERNEL); + if (!vboxbo) + return -ENOMEM; + + ret = drm_gem_object_init(dev, &vboxbo->gem, size); + if (ret) + goto err_free_vboxbo; + + vboxbo->bo.bdev = &vbox->ttm.bdev; + + vbox_ttm_placement(vboxbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM); + + acc_size = ttm_bo_dma_acc_size(&vbox->ttm.bdev, size, + sizeof(struct vbox_bo)); + + ret = ttm_bo_init(&vbox->ttm.bdev, &vboxbo->bo, size, + ttm_bo_type_device, &vboxbo->placement, + align >> PAGE_SHIFT, false, NULL, acc_size, + NULL, NULL, vbox_bo_ttm_destroy); + if (ret) + goto err_free_vboxbo; + + *pvboxbo = vboxbo; + + return 0; + +err_free_vboxbo: + kfree(vboxbo); + return ret; +} + +static inline u64 vbox_bo_gpu_offset(struct vbox_bo *bo) +{ + return bo->bo.offset; +} + +int vbox_bo_pin(struct vbox_bo *bo, u32 pl_flag, u64 *gpu_addr) +{ + int i, ret; + + if (bo->pin_count) { + bo->pin_count++; + if (gpu_addr) + *gpu_addr = vbox_bo_gpu_offset(bo); + + return 0; + } + + vbox_ttm_placement(bo, pl_flag); + + for (i = 0; i < bo->placement.num_placement; i++) + bo->placements[i].flags |= TTM_PL_FLAG_NO_EVICT; + + ret = ttm_bo_validate(&bo->bo, &bo->placement, false, false); + if (ret) + return ret; + + bo->pin_count = 1; + + if (gpu_addr) + *gpu_addr = vbox_bo_gpu_offset(bo); + + return 0; +} + +int vbox_bo_unpin(struct vbox_bo *bo) +{ + int i, ret; + + if (!bo->pin_count) { + DRM_ERROR("unpin bad %p\n", bo); + return 0; + } + bo->pin_count--; + if (bo->pin_count) + return 0; + + for (i = 0; i < bo->placement.num_placement; i++) + bo->placements[i].flags &= ~TTM_PL_FLAG_NO_EVICT; + + ret = ttm_bo_validate(&bo->bo, &bo->placement, false, false); + if (ret) + return ret; + + return 0; +} + +/* + * Move a vbox-owned buffer object to system memory if no one else has it + * pinned. The caller must have pinned it previously, and this call will + * release the caller's pin. + */ +int vbox_bo_push_sysram(struct vbox_bo *bo) +{ + int i, ret; + + if (!bo->pin_count) { + DRM_ERROR("unpin bad %p\n", bo); + return 0; + } + bo->pin_count--; + if (bo->pin_count) + return 0; + + if (bo->kmap.virtual) + ttm_bo_kunmap(&bo->kmap); + + vbox_ttm_placement(bo, TTM_PL_FLAG_SYSTEM); + + for (i = 0; i < bo->placement.num_placement; i++) + bo->placements[i].flags |= TTM_PL_FLAG_NO_EVICT; + + ret = ttm_bo_validate(&bo->bo, &bo->placement, false, false); + if (ret) { + DRM_ERROR("pushing to VRAM failed\n"); + return ret; + } + + return 0; +} + +int vbox_mmap(struct file *filp, struct vm_area_struct *vma) +{ + struct drm_file *file_priv; + struct vbox_private *vbox; + + if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET)) + return -EINVAL; + + file_priv = filp->private_data; + vbox = file_priv->minor->dev->dev_private; + + return ttm_bo_mmap(filp, vma, &vbox->ttm.bdev); +} diff --git a/drivers/staging/vboxvideo/vboxvideo.h b/drivers/staging/vboxvideo/vboxvideo.h new file mode 100644 index 000000000000..d835d75d761c --- /dev/null +++ b/drivers/staging/vboxvideo/vboxvideo.h @@ -0,0 +1,491 @@ +/* + * Copyright (C) 2006-2016 Oracle Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + */ + +#ifndef __VBOXVIDEO_H__ +#define __VBOXVIDEO_H__ + +/* + * This should be in sync with monitorCount <xsd:maxInclusive value="64"/> in + * src/VBox/Main/xml/VirtualBox-settings-common.xsd + */ +#define VBOX_VIDEO_MAX_SCREENS 64 + +/* + * The last 4096 bytes of the guest VRAM contains the generic info for all + * DualView chunks: sizes and offsets of chunks. This is filled by miniport. + * + * Last 4096 bytes of each chunk contain chunk specific data: framebuffer info, + * etc. This is used exclusively by the corresponding instance of a display + * driver. + * + * The VRAM layout: + * Last 4096 bytes - Adapter information area. + * 4096 bytes aligned miniport heap (value specified in the config rouded up). + * Slack - what left after dividing the VRAM. + * 4096 bytes aligned framebuffers: + * last 4096 bytes of each framebuffer is the display information area. + * + * The Virtual Graphics Adapter information in the guest VRAM is stored by the + * guest video driver using structures prepended by VBOXVIDEOINFOHDR. + * + * When the guest driver writes dword 0 to the VBE_DISPI_INDEX_VBOX_VIDEO + * the host starts to process the info. The first element at the start of + * the 4096 bytes region should be normally be a LINK that points to + * actual information chain. That way the guest driver can have some + * fixed layout of the information memory block and just rewrite + * the link to point to relevant memory chain. + * + * The processing stops at the END element. + * + * The host can access the memory only when the port IO is processed. + * All data that will be needed later must be copied from these 4096 bytes. + * But other VRAM can be used by host until the mode is disabled. + * + * The guest driver writes dword 0xffffffff to the VBE_DISPI_INDEX_VBOX_VIDEO + * to disable the mode. + * + * VBE_DISPI_INDEX_VBOX_VIDEO is used to read the configuration information + * from the host and issue commands to the host. + * + * The guest writes the VBE_DISPI_INDEX_VBOX_VIDEO index register, the the + * following operations with the VBE data register can be performed: + * + * Operation Result + * write 16 bit value NOP + * read 16 bit value count of monitors + * write 32 bit value set the vbox cmd value and the cmd processed by the host + * read 32 bit value result of the last vbox command is returned + */ + +/** + * VBVA command header. + * + * @todo Where does this fit in? + */ +struct vbva_cmd_hdr { + /** Coordinates of affected rectangle. */ + s16 x; + s16 y; + u16 w; + u16 h; +} __packed; + +/** @name VBVA ring defines. + * + * The VBVA ring buffer is suitable for transferring large (< 2GB) amount of + * data. For example big bitmaps which do not fit to the buffer. + * + * Guest starts writing to the buffer by initializing a record entry in the + * records queue. VBVA_F_RECORD_PARTIAL indicates that the record is being + * written. As data is written to the ring buffer, the guest increases + * free_offset. + * + * The host reads the records on flushes and processes all completed records. + * When host encounters situation when only a partial record presents and + * len_and_flags & ~VBVA_F_RECORD_PARTIAL >= VBVA_RING_BUFFER_SIZE - + * VBVA_RING_BUFFER_THRESHOLD, the host fetched all record data and updates + * data_offset. After that on each flush the host continues fetching the data + * until the record is completed. + * + */ +#define VBVA_RING_BUFFER_SIZE (4194304 - 1024) +#define VBVA_RING_BUFFER_THRESHOLD (4096) + +#define VBVA_MAX_RECORDS (64) + +#define VBVA_F_MODE_ENABLED 0x00000001u +#define VBVA_F_MODE_VRDP 0x00000002u +#define VBVA_F_MODE_VRDP_RESET 0x00000004u +#define VBVA_F_MODE_VRDP_ORDER_MASK 0x00000008u + +#define VBVA_F_STATE_PROCESSING 0x00010000u + +#define VBVA_F_RECORD_PARTIAL 0x80000000u + +/** + * VBVA record. + */ +struct vbva_record { + /** The length of the record. Changed by guest. */ + u32 len_and_flags; +} __packed; + +/* + * The minimum HGSMI heap size is PAGE_SIZE (4096 bytes) and is a restriction of + * the runtime heapsimple API. Use minimum 2 pages here, because the info area + * also may contain other data (for example hgsmi_host_flags structure). + */ +#define VBVA_ADAPTER_INFORMATION_SIZE 65536 +#define VBVA_MIN_BUFFER_SIZE 65536 + +/* The value for port IO to let the adapter to interpret the adapter memory. */ +#define VBOX_VIDEO_DISABLE_ADAPTER_MEMORY 0xFFFFFFFF + +/* The value for port IO to let the adapter to interpret the adapter memory. */ +#define VBOX_VIDEO_INTERPRET_ADAPTER_MEMORY 0x00000000 + +/* The value for port IO to let the adapter to interpret the display memory. + * The display number is encoded in low 16 bits. + */ +#define VBOX_VIDEO_INTERPRET_DISPLAY_MEMORY_BASE 0x00010000 + +struct vbva_host_flags { + u32 host_events; + u32 supported_orders; +} __packed; + +struct vbva_buffer { + struct vbva_host_flags host_flags; + + /* The offset where the data start in the buffer. */ + u32 data_offset; + /* The offset where next data must be placed in the buffer. */ + u32 free_offset; + + /* The queue of record descriptions. */ + struct vbva_record records[VBVA_MAX_RECORDS]; + u32 record_first_index; + u32 record_free_index; + + /* Space to leave free when large partial records are transferred. */ + u32 partial_write_tresh; + + u32 data_len; + /* variable size for the rest of the vbva_buffer area in VRAM. */ + u8 data[0]; +} __packed; + +#define VBVA_MAX_RECORD_SIZE (128 * 1024 * 1024) + +/* guest->host commands */ +#define VBVA_QUERY_CONF32 1 +#define VBVA_SET_CONF32 2 +#define VBVA_INFO_VIEW 3 +#define VBVA_INFO_HEAP 4 +#define VBVA_FLUSH 5 +#define VBVA_INFO_SCREEN 6 +#define VBVA_ENABLE 7 +#define VBVA_MOUSE_POINTER_SHAPE 8 +/* informs host about HGSMI caps. see vbva_caps below */ +#define VBVA_INFO_CAPS 12 +/* configures scanline, see VBVASCANLINECFG below */ +#define VBVA_SCANLINE_CFG 13 +/* requests scanline info, see VBVASCANLINEINFO below */ +#define VBVA_SCANLINE_INFO 14 +/* inform host about VBVA Command submission */ +#define VBVA_CMDVBVA_SUBMIT 16 +/* inform host about VBVA Command submission */ +#define VBVA_CMDVBVA_FLUSH 17 +/* G->H DMA command */ +#define VBVA_CMDVBVA_CTL 18 +/* Query most recent mode hints sent */ +#define VBVA_QUERY_MODE_HINTS 19 +/** + * Report the guest virtual desktop position and size for mapping host and + * guest pointer positions. + */ +#define VBVA_REPORT_INPUT_MAPPING 20 +/** Report the guest cursor position and query the host position. */ +#define VBVA_CURSOR_POSITION 21 + +/* host->guest commands */ +#define VBVAHG_EVENT 1 +#define VBVAHG_DISPLAY_CUSTOM 2 + +/* vbva_conf32::index */ +#define VBOX_VBVA_CONF32_MONITOR_COUNT 0 +#define VBOX_VBVA_CONF32_HOST_HEAP_SIZE 1 +/** + * Returns VINF_SUCCESS if the host can report mode hints via VBVA. + * Set value to VERR_NOT_SUPPORTED before calling. + */ +#define VBOX_VBVA_CONF32_MODE_HINT_REPORTING 2 +/** + * Returns VINF_SUCCESS if the host can report guest cursor enabled status via + * VBVA. Set value to VERR_NOT_SUPPORTED before calling. + */ +#define VBOX_VBVA_CONF32_GUEST_CURSOR_REPORTING 3 +/** + * Returns the currently available host cursor capabilities. Available if + * vbva_conf32::VBOX_VBVA_CONF32_GUEST_CURSOR_REPORTING returns success. + * @see VMMDevReqMouseStatus::mouseFeatures. + */ +#define VBOX_VBVA_CONF32_CURSOR_CAPABILITIES 4 +/** Returns the supported flags in vbva_infoscreen::flags. */ +#define VBOX_VBVA_CONF32_SCREEN_FLAGS 5 +/** Returns the max size of VBVA record. */ +#define VBOX_VBVA_CONF32_MAX_RECORD_SIZE 6 + +struct vbva_conf32 { + u32 index; + u32 value; +} __packed; + +/** Reserved for historical reasons. */ +#define VBOX_VBVA_CURSOR_CAPABILITY_RESERVED0 BIT(0) +/** + * Guest cursor capability: can the host show a hardware cursor at the host + * pointer location? + */ +#define VBOX_VBVA_CURSOR_CAPABILITY_HARDWARE BIT(1) +/** Reserved for historical reasons. */ +#define VBOX_VBVA_CURSOR_CAPABILITY_RESERVED2 BIT(2) +/** Reserved for historical reasons. Must always be unset. */ +#define VBOX_VBVA_CURSOR_CAPABILITY_RESERVED3 BIT(3) +/** Reserved for historical reasons. */ +#define VBOX_VBVA_CURSOR_CAPABILITY_RESERVED4 BIT(4) +/** Reserved for historical reasons. */ +#define VBOX_VBVA_CURSOR_CAPABILITY_RESERVED5 BIT(5) + +struct vbva_infoview { + /* Index of the screen, assigned by the guest. */ + u32 view_index; + + /* The screen offset in VRAM, the framebuffer starts here. */ + u32 view_offset; + + /* The size of the VRAM memory that can be used for the view. */ + u32 view_size; + + /* The recommended maximum size of the VRAM memory for the screen. */ + u32 max_screen_size; +} __packed; + +struct vbva_flush { + u32 reserved; +} __packed; + +/* vbva_infoscreen::flags */ +#define VBVA_SCREEN_F_NONE 0x0000 +#define VBVA_SCREEN_F_ACTIVE 0x0001 +/** + * The virtual monitor has been disabled by the guest and should be removed + * by the host and ignored for purposes of pointer position calculation. + */ +#define VBVA_SCREEN_F_DISABLED 0x0002 +/** + * The virtual monitor has been blanked by the guest and should be blacked + * out by the host using width, height, etc values from the vbva_infoscreen + * request. + */ +#define VBVA_SCREEN_F_BLANK 0x0004 +/** + * The virtual monitor has been blanked by the guest and should be blacked + * out by the host using the previous mode values for width. height, etc. + */ +#define VBVA_SCREEN_F_BLANK2 0x0008 + +struct vbva_infoscreen { + /* Which view contains the screen. */ + u32 view_index; + + /* Physical X origin relative to the primary screen. */ + s32 origin_x; + + /* Physical Y origin relative to the primary screen. */ + s32 origin_y; + + /* Offset of visible framebuffer relative to the framebuffer start. */ + u32 start_offset; + + /* The scan line size in bytes. */ + u32 line_size; + + /* Width of the screen. */ + u32 width; + + /* Height of the screen. */ + u32 height; + + /* Color depth. */ + u16 bits_per_pixel; + + /* VBVA_SCREEN_F_* */ + u16 flags; +} __packed; + +/* vbva_enable::flags */ +#define VBVA_F_NONE 0x00000000 +#define VBVA_F_ENABLE 0x00000001 +#define VBVA_F_DISABLE 0x00000002 +/* extended VBVA to be used with WDDM */ +#define VBVA_F_EXTENDED 0x00000004 +/* vbva offset is absolute VRAM offset */ +#define VBVA_F_ABSOFFSET 0x00000008 + +struct vbva_enable { + u32 flags; + u32 offset; + s32 result; +} __packed; + +struct vbva_enable_ex { + struct vbva_enable base; + u32 screen_id; +} __packed; + +struct vbva_mouse_pointer_shape { + /* The host result. */ + s32 result; + + /* VBOX_MOUSE_POINTER_* bit flags. */ + u32 flags; + + /* X coordinate of the hot spot. */ + u32 hot_X; + + /* Y coordinate of the hot spot. */ + u32 hot_y; + + /* Width of the pointer in pixels. */ + u32 width; + + /* Height of the pointer in scanlines. */ + u32 height; + + /* Pointer data. + * + **** + * The data consists of 1 bpp AND mask followed by 32 bpp XOR (color) + * mask. + * + * For pointers without alpha channel the XOR mask pixels are 32 bit + * values: (lsb)BGR0(msb). For pointers with alpha channel the XOR mask + * consists of (lsb)BGRA(msb) 32 bit values. + * + * Guest driver must create the AND mask for pointers with alpha chan., + * so if host does not support alpha, the pointer could be displayed as + * a normal color pointer. The AND mask can be constructed from alpha + * values. For example alpha value >= 0xf0 means bit 0 in the AND mask. + * + * The AND mask is 1 bpp bitmap with byte aligned scanlines. Size of AND + * mask, therefore, is and_len = (width + 7) / 8 * height. The padding + * bits at the end of any scanline are undefined. + * + * The XOR mask follows the AND mask on the next 4 bytes aligned offset: + * u8 *xor = and + (and_len + 3) & ~3 + * Bytes in the gap between the AND and the XOR mask are undefined. + * XOR mask scanlines have no gap between them and size of XOR mask is: + * xor_len = width * 4 * height. + **** + * + * Preallocate 4 bytes for accessing actual data as p->data. + */ + u8 data[4]; +} __packed; + +/** + * @name vbva_mouse_pointer_shape::flags + * @note The VBOX_MOUSE_POINTER_* flags are used in the guest video driver, + * values must be <= 0x8000 and must not be changed. (try make more sense + * of this, please). + * @{ + */ + +/** pointer is visible */ +#define VBOX_MOUSE_POINTER_VISIBLE 0x0001 +/** pointer has alpha channel */ +#define VBOX_MOUSE_POINTER_ALPHA 0x0002 +/** pointerData contains new pointer shape */ +#define VBOX_MOUSE_POINTER_SHAPE 0x0004 + +/** @} */ + +/* + * The guest driver can handle asynch guest cmd completion by reading the + * command offset from io port. + */ +#define VBVACAPS_COMPLETEGCMD_BY_IOREAD 0x00000001 +/* the guest driver can handle video adapter IRQs */ +#define VBVACAPS_IRQ 0x00000002 +/** The guest can read video mode hints sent via VBVA. */ +#define VBVACAPS_VIDEO_MODE_HINTS 0x00000004 +/** The guest can switch to a software cursor on demand. */ +#define VBVACAPS_DISABLE_CURSOR_INTEGRATION 0x00000008 +/** The guest does not depend on host handling the VBE registers. */ +#define VBVACAPS_USE_VBVA_ONLY 0x00000010 + +struct vbva_caps { + s32 rc; + u32 caps; +} __packed; + +/** Query the most recent mode hints received from the host. */ +struct vbva_query_mode_hints { + /** The maximum number of screens to return hints for. */ + u16 hints_queried_count; + /** The size of the mode hint structures directly following this one. */ + u16 hint_structure_guest_size; + /** Return code for the operation. Initialise to VERR_NOT_SUPPORTED. */ + s32 rc; +} __packed; + +/** + * Structure in which a mode hint is returned. The guest allocates an array + * of these immediately after the vbva_query_mode_hints structure. + * To accommodate future extensions, the vbva_query_mode_hints structure + * specifies the size of the vbva_modehint structures allocated by the guest, + * and the host only fills out structure elements which fit into that size. The + * host should fill any unused members (e.g. dx, dy) or structure space on the + * end with ~0. The whole structure can legally be set to ~0 to skip a screen. + */ +struct vbva_modehint { + u32 magic; + u32 cx; + u32 cy; + u32 bpp; /* Which has never been used... */ + u32 display; + u32 dx; /**< X offset into the virtual frame-buffer. */ + u32 dy; /**< Y offset into the virtual frame-buffer. */ + u32 enabled; /* Not flags. Add new members for new flags. */ +} __packed; + +#define VBVAMODEHINT_MAGIC 0x0801add9u + +/** + * Report the rectangle relative to which absolute pointer events should be + * expressed. This information remains valid until the next VBVA resize event + * for any screen, at which time it is reset to the bounding rectangle of all + * virtual screens and must be re-set. + * @see VBVA_REPORT_INPUT_MAPPING. + */ +struct vbva_report_input_mapping { + s32 x; /**< Upper left X co-ordinate relative to the first screen. */ + s32 y; /**< Upper left Y co-ordinate relative to the first screen. */ + u32 cx; /**< Rectangle width. */ + u32 cy; /**< Rectangle height. */ +} __packed; + +/** + * Report the guest cursor position and query the host one. The host may wish + * to use the guest information to re-position its own cursor (though this is + * currently unlikely). + * @see VBVA_CURSOR_POSITION + */ +struct vbva_cursor_position { + u32 report_position; /**< Are we reporting a position? */ + u32 x; /**< Guest cursor X position */ + u32 y; /**< Guest cursor Y position */ +} __packed; + +#endif diff --git a/drivers/staging/vboxvideo/vboxvideo_guest.h b/drivers/staging/vboxvideo/vboxvideo_guest.h new file mode 100644 index 000000000000..d09da841711a --- /dev/null +++ b/drivers/staging/vboxvideo/vboxvideo_guest.h @@ -0,0 +1,95 @@ +/* + * Copyright (C) 2006-2017 Oracle Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef __VBOXVIDEO_GUEST_H__ +#define __VBOXVIDEO_GUEST_H__ + +#include <linux/genalloc.h> +#include "vboxvideo.h" + +/** + * Structure grouping the context needed for sending graphics acceleration + * information to the host via VBVA. Each screen has its own VBVA buffer. + */ +struct vbva_buf_ctx { + /** Offset of the buffer in the VRAM section for the screen */ + u32 buffer_offset; + /** Length of the buffer in bytes */ + u32 buffer_length; + /** Set if we wrote to the buffer faster than the host could read it */ + bool buffer_overflow; + /** VBVA record that we are currently preparing for the host, or NULL */ + struct vbva_record *record; + /** + * Pointer to the VBVA buffer mapped into the current address space. + * Will be NULL if VBVA is not enabled. + */ + struct vbva_buffer *vbva; +}; + +/** + * @name Base HGSMI APIs + * @{ + */ +int hgsmi_report_flags_location(struct gen_pool *ctx, u32 location); +int hgsmi_send_caps_info(struct gen_pool *ctx, u32 caps); +int hgsmi_test_query_conf(struct gen_pool *ctx); +int hgsmi_query_conf(struct gen_pool *ctx, u32 index, u32 *value_ret); +int hgsmi_update_pointer_shape(struct gen_pool *ctx, u32 flags, + u32 hot_x, u32 hot_y, u32 width, u32 height, + u8 *pixels, u32 len); +int hgsmi_cursor_position(struct gen_pool *ctx, bool report_position, + u32 x, u32 y, u32 *x_host, u32 *y_host); +/** @} */ + +/** + * @name VBVA APIs + * @{ + */ +bool vbva_enable(struct vbva_buf_ctx *vbva_ctx, struct gen_pool *ctx, + struct vbva_buffer *vbva, s32 screen); +void vbva_disable(struct vbva_buf_ctx *vbva_ctx, struct gen_pool *ctx, + s32 screen); +bool vbva_buffer_begin_update(struct vbva_buf_ctx *vbva_ctx, + struct gen_pool *ctx); +void vbva_buffer_end_update(struct vbva_buf_ctx *vbva_ctx); +bool vbva_write(struct vbva_buf_ctx *vbva_ctx, struct gen_pool *ctx, + const void *p, u32 len); +void vbva_setup_buffer_context(struct vbva_buf_ctx *vbva_ctx, + u32 buffer_offset, u32 buffer_length); +/** @} */ + +/** + * @name Modesetting APIs + * @{ + */ +void hgsmi_process_display_info(struct gen_pool *ctx, u32 display, + s32 origin_x, s32 origin_y, u32 start_offset, + u32 pitch, u32 width, u32 height, + u16 bpp, u16 flags); +int hgsmi_update_input_mapping(struct gen_pool *ctx, s32 origin_x, s32 origin_y, + u32 width, u32 height); +int hgsmi_get_mode_hints(struct gen_pool *ctx, unsigned int screens, + struct vbva_modehint *hints); +/** @} */ + +#endif diff --git a/drivers/staging/vboxvideo/vboxvideo_vbe.h b/drivers/staging/vboxvideo/vboxvideo_vbe.h new file mode 100644 index 000000000000..f842f4d9c80a --- /dev/null +++ b/drivers/staging/vboxvideo/vboxvideo_vbe.h @@ -0,0 +1,84 @@ +/* + * Copyright (C) 2006-2017 Oracle Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef __VBOXVIDEO_VBE_H__ +#define __VBOXVIDEO_VBE_H__ + +/* GUEST <-> HOST Communication API */ + +/** + * @todo FIXME: Either dynamicly ask host for this or put somewhere high in + * physical memory like 0xE0000000. + */ + +#define VBE_DISPI_BANK_ADDRESS 0xA0000 +#define VBE_DISPI_BANK_SIZE_KB 64 + +#define VBE_DISPI_MAX_XRES 16384 +#define VBE_DISPI_MAX_YRES 16384 +#define VBE_DISPI_MAX_BPP 32 + +#define VBE_DISPI_IOPORT_INDEX 0x01CE +#define VBE_DISPI_IOPORT_DATA 0x01CF + +#define VBE_DISPI_IOPORT_DAC_WRITE_INDEX 0x03C8 +#define VBE_DISPI_IOPORT_DAC_DATA 0x03C9 + +#define VBE_DISPI_INDEX_ID 0x0 +#define VBE_DISPI_INDEX_XRES 0x1 +#define VBE_DISPI_INDEX_YRES 0x2 +#define VBE_DISPI_INDEX_BPP 0x3 +#define VBE_DISPI_INDEX_ENABLE 0x4 +#define VBE_DISPI_INDEX_BANK 0x5 +#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6 +#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7 +#define VBE_DISPI_INDEX_X_OFFSET 0x8 +#define VBE_DISPI_INDEX_Y_OFFSET 0x9 +#define VBE_DISPI_INDEX_VBOX_VIDEO 0xa +#define VBE_DISPI_INDEX_FB_BASE_HI 0xb + +#define VBE_DISPI_ID0 0xB0C0 +#define VBE_DISPI_ID1 0xB0C1 +#define VBE_DISPI_ID2 0xB0C2 +#define VBE_DISPI_ID3 0xB0C3 +#define VBE_DISPI_ID4 0xB0C4 + +#define VBE_DISPI_ID_VBOX_VIDEO 0xBE00 +/* The VBOX interface id. Indicates support for VBVA shared memory interface. */ +#define VBE_DISPI_ID_HGSMI 0xBE01 +#define VBE_DISPI_ID_ANYX 0xBE02 + +#define VBE_DISPI_DISABLED 0x00 +#define VBE_DISPI_ENABLED 0x01 +#define VBE_DISPI_GETCAPS 0x02 +#define VBE_DISPI_8BIT_DAC 0x20 +/** + * @note this definition is a BOCHS legacy, used only in the video BIOS + * code and ignored by the emulated hardware. + */ +#define VBE_DISPI_LFB_ENABLED 0x40 +#define VBE_DISPI_NOCLEARMEM 0x80 + +#define VGA_PORT_HGSMI_HOST 0x3b0 +#define VGA_PORT_HGSMI_GUEST 0x3d0 + +#endif diff --git a/drivers/staging/vboxvideo/vbva_base.c b/drivers/staging/vboxvideo/vbva_base.c new file mode 100644 index 000000000000..c10c782f94e1 --- /dev/null +++ b/drivers/staging/vboxvideo/vbva_base.c @@ -0,0 +1,233 @@ +/* + * Copyright (C) 2006-2017 Oracle Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "vbox_drv.h" +#include "vbox_err.h" +#include "vboxvideo_guest.h" +#include "hgsmi_channels.h" + +/* + * There is a hardware ring buffer in the graphics device video RAM, formerly + * in the VBox VMMDev PCI memory space. + * All graphics commands go there serialized by vbva_buffer_begin_update. + * and vbva_buffer_end_update. + * + * free_offset is writing position. data_offset is reading position. + * free_offset == data_offset means buffer is empty. + * There must be always gap between data_offset and free_offset when data + * are in the buffer. + * Guest only changes free_offset, host changes data_offset. + */ + +static u32 vbva_buffer_available(const struct vbva_buffer *vbva) +{ + s32 diff = vbva->data_offset - vbva->free_offset; + + return diff > 0 ? diff : vbva->data_len + diff; +} + +static void vbva_buffer_place_data_at(struct vbva_buf_ctx *vbva_ctx, + const void *p, u32 len, u32 offset) +{ + struct vbva_buffer *vbva = vbva_ctx->vbva; + u32 bytes_till_boundary = vbva->data_len - offset; + u8 *dst = &vbva->data[offset]; + s32 diff = len - bytes_till_boundary; + + if (diff <= 0) { + /* Chunk will not cross buffer boundary. */ + memcpy(dst, p, len); + } else { + /* Chunk crosses buffer boundary. */ + memcpy(dst, p, bytes_till_boundary); + memcpy(&vbva->data[0], (u8 *)p + bytes_till_boundary, diff); + } +} + +static void vbva_buffer_flush(struct gen_pool *ctx) +{ + struct vbva_flush *p; + + p = hgsmi_buffer_alloc(ctx, sizeof(*p), HGSMI_CH_VBVA, VBVA_FLUSH); + if (!p) + return; + + p->reserved = 0; + + hgsmi_buffer_submit(ctx, p); + hgsmi_buffer_free(ctx, p); +} + +bool vbva_write(struct vbva_buf_ctx *vbva_ctx, struct gen_pool *ctx, + const void *p, u32 len) +{ + struct vbva_record *record; + struct vbva_buffer *vbva; + u32 available; + + vbva = vbva_ctx->vbva; + record = vbva_ctx->record; + + if (!vbva || vbva_ctx->buffer_overflow || + !record || !(record->len_and_flags & VBVA_F_RECORD_PARTIAL)) + return false; + + available = vbva_buffer_available(vbva); + + while (len > 0) { + u32 chunk = len; + + if (chunk >= available) { + vbva_buffer_flush(ctx); + available = vbva_buffer_available(vbva); + } + + if (chunk >= available) { + if (WARN_ON(available <= vbva->partial_write_tresh)) { + vbva_ctx->buffer_overflow = true; + return false; + } + chunk = available - vbva->partial_write_tresh; + } + + vbva_buffer_place_data_at(vbva_ctx, p, chunk, + vbva->free_offset); + + vbva->free_offset = (vbva->free_offset + chunk) % + vbva->data_len; + record->len_and_flags += chunk; + available -= chunk; + len -= chunk; + p += chunk; + } + + return true; +} + +static bool vbva_inform_host(struct vbva_buf_ctx *vbva_ctx, + struct gen_pool *ctx, s32 screen, bool enable) +{ + struct vbva_enable_ex *p; + bool ret; + + p = hgsmi_buffer_alloc(ctx, sizeof(*p), HGSMI_CH_VBVA, VBVA_ENABLE); + if (!p) + return false; + + p->base.flags = enable ? VBVA_F_ENABLE : VBVA_F_DISABLE; + p->base.offset = vbva_ctx->buffer_offset; + p->base.result = VERR_NOT_SUPPORTED; + if (screen >= 0) { + p->base.flags |= VBVA_F_EXTENDED | VBVA_F_ABSOFFSET; + p->screen_id = screen; + } + + hgsmi_buffer_submit(ctx, p); + + if (enable) + ret = RT_SUCCESS(p->base.result); + else + ret = true; + + hgsmi_buffer_free(ctx, p); + + return ret; +} + +bool vbva_enable(struct vbva_buf_ctx *vbva_ctx, struct gen_pool *ctx, + struct vbva_buffer *vbva, s32 screen) +{ + bool ret = false; + + memset(vbva, 0, sizeof(*vbva)); + vbva->partial_write_tresh = 256; + vbva->data_len = vbva_ctx->buffer_length - sizeof(struct vbva_buffer); + vbva_ctx->vbva = vbva; + + ret = vbva_inform_host(vbva_ctx, ctx, screen, true); + if (!ret) + vbva_disable(vbva_ctx, ctx, screen); + + return ret; +} + +void vbva_disable(struct vbva_buf_ctx *vbva_ctx, struct gen_pool *ctx, + s32 screen) +{ + vbva_ctx->buffer_overflow = false; + vbva_ctx->record = NULL; + vbva_ctx->vbva = NULL; + + vbva_inform_host(vbva_ctx, ctx, screen, false); +} + +bool vbva_buffer_begin_update(struct vbva_buf_ctx *vbva_ctx, + struct gen_pool *ctx) +{ + struct vbva_record *record; + u32 next; + + if (!vbva_ctx->vbva || + !(vbva_ctx->vbva->host_flags.host_events & VBVA_F_MODE_ENABLED)) + return false; + + WARN_ON(vbva_ctx->buffer_overflow || vbva_ctx->record); + + next = (vbva_ctx->vbva->record_free_index + 1) % VBVA_MAX_RECORDS; + + /* Flush if all slots in the records queue are used */ + if (next == vbva_ctx->vbva->record_first_index) + vbva_buffer_flush(ctx); + + /* If even after flush there is no place then fail the request */ + if (next == vbva_ctx->vbva->record_first_index) + return false; + + record = &vbva_ctx->vbva->records[vbva_ctx->vbva->record_free_index]; + record->len_and_flags = VBVA_F_RECORD_PARTIAL; + vbva_ctx->vbva->record_free_index = next; + /* Remember which record we are using. */ + vbva_ctx->record = record; + + return true; +} + +void vbva_buffer_end_update(struct vbva_buf_ctx *vbva_ctx) +{ + struct vbva_record *record = vbva_ctx->record; + + WARN_ON(!vbva_ctx->vbva || !record || + !(record->len_and_flags & VBVA_F_RECORD_PARTIAL)); + + /* Mark the record completed. */ + record->len_and_flags &= ~VBVA_F_RECORD_PARTIAL; + + vbva_ctx->buffer_overflow = false; + vbva_ctx->record = NULL; +} + +void vbva_setup_buffer_context(struct vbva_buf_ctx *vbva_ctx, + u32 buffer_offset, u32 buffer_length) +{ + vbva_ctx->buffer_offset = buffer_offset; + vbva_ctx->buffer_length = buffer_length; +} diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c index 030bec855d86..314ffac50bb8 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c @@ -3391,7 +3391,6 @@ static int vchiq_probe(struct platform_device *pdev) struct device_node *fw_node; struct rpi_firmware *fw; int err; - void *ptr_err; fw_node = of_parse_phandle(pdev->dev.of_node, "firmware", 0); if (!fw_node) { @@ -3427,14 +3426,14 @@ static int vchiq_probe(struct platform_device *pdev) /* create sysfs entries */ vchiq_class = class_create(THIS_MODULE, DEVICE_NAME); - ptr_err = vchiq_class; - if (IS_ERR(ptr_err)) + err = PTR_ERR(vchiq_class); + if (IS_ERR(vchiq_class)) goto failed_class_create; vchiq_dev = device_create(vchiq_class, NULL, vchiq_devid, NULL, "vchiq"); - ptr_err = vchiq_dev; - if (IS_ERR(ptr_err)) + err = PTR_ERR(vchiq_dev); + if (IS_ERR(vchiq_dev)) goto failed_device_create; /* create debugfs entries */ @@ -3455,7 +3454,6 @@ failed_device_create: class_destroy(vchiq_class); failed_class_create: cdev_del(&vchiq_cdev); - err = PTR_ERR(ptr_err); failed_cdev_add: unregister_chrdev_region(vchiq_devid, 1); failed_platform_init: diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index ab3e8f410444..40219a706309 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -281,9 +281,11 @@ static struct nvmem_device *register_nvmem(struct tb_switch *sw, int id, if (active) { config.name = "nvm_active"; config.reg_read = tb_switch_nvm_read; + config.read_only = true; } else { config.name = "nvm_non_active"; config.reg_write = tb_switch_nvm_write; + config.root_only = true; } config.id = id; @@ -292,7 +294,6 @@ static struct nvmem_device *register_nvmem(struct tb_switch *sw, int id, config.size = size; config.dev = &sw->dev; config.owner = THIS_MODULE; - config.root_only = true; config.priv = sw; return nvmem_register(&config); diff --git a/drivers/tty/hvc/hvc_vio.c b/drivers/tty/hvc/hvc_vio.c index b05dc5086627..6ffbdd8d50c5 100644 --- a/drivers/tty/hvc/hvc_vio.c +++ b/drivers/tty/hvc/hvc_vio.c @@ -442,6 +442,14 @@ void __init hvc_vio_init_early(void) #ifdef CONFIG_PPC_EARLY_DEBUG_LPAR void __init udbg_init_debug_lpar(void) { + /* + * If we're running as a hypervisor then we definitely can't call the + * hypervisor to print debug output (we *are* the hypervisor), so don't + * register if we detect that MSR_HV=1. + */ + if (mfmsr() & MSR_HV) + return; + hvterm_privs[0] = &hvterm_priv0; hvterm_priv0.termno = 0; hvterm_priv0.proto = HV_PROTOCOL_RAW; @@ -455,6 +463,10 @@ void __init udbg_init_debug_lpar(void) #ifdef CONFIG_PPC_EARLY_DEBUG_LPAR_HVSI void __init udbg_init_debug_lpar_hvsi(void) { + /* See comment above in udbg_init_debug_lpar() */ + if (mfmsr() & MSR_HV) + return; + hvterm_privs[0] = &hvterm_priv0; hvterm_priv0.termno = CONFIG_PPC_EARLY_DEBUG_HVSI_VTERMNO; hvterm_priv0.proto = HV_PROTOCOL_HVSI; diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index d1399aac05a1..284749fb0f6b 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -448,48 +448,6 @@ err: return retval; } -/** - * pty_open_peer - open the peer of a pty - * @tty: the peer of the pty being opened - * - * Open the cached dentry in tty->link, providing a safe way for userspace - * to get the slave end of a pty (where they have the master fd and cannot - * access or trust the mount namespace /dev/pts was mounted inside). - */ -static struct file *pty_open_peer(struct tty_struct *tty, int flags) -{ - if (tty->driver->subtype != PTY_TYPE_MASTER) - return ERR_PTR(-EIO); - return dentry_open(tty->link->driver_data, flags, current_cred()); -} - -static int pty_get_peer(struct tty_struct *tty, int flags) -{ - int fd = -1; - struct file *filp = NULL; - int retval = -EINVAL; - - fd = get_unused_fd_flags(0); - if (fd < 0) { - retval = fd; - goto err; - } - - filp = pty_open_peer(tty, flags); - if (IS_ERR(filp)) { - retval = PTR_ERR(filp); - goto err_put; - } - - fd_install(fd, filp); - return fd; - -err_put: - put_unused_fd(fd); -err: - return retval; -} - static void pty_cleanup(struct tty_struct *tty) { tty_port_put(tty->port); @@ -646,9 +604,50 @@ static inline void legacy_pty_init(void) { } /* Unix98 devices */ #ifdef CONFIG_UNIX98_PTYS - static struct cdev ptmx_cdev; +/** + * pty_open_peer - open the peer of a pty + * @tty: the peer of the pty being opened + * + * Open the cached dentry in tty->link, providing a safe way for userspace + * to get the slave end of a pty (where they have the master fd and cannot + * access or trust the mount namespace /dev/pts was mounted inside). + */ +static struct file *pty_open_peer(struct tty_struct *tty, int flags) +{ + if (tty->driver->subtype != PTY_TYPE_MASTER) + return ERR_PTR(-EIO); + return dentry_open(tty->link->driver_data, flags, current_cred()); +} + +static int pty_get_peer(struct tty_struct *tty, int flags) +{ + int fd = -1; + struct file *filp = NULL; + int retval = -EINVAL; + + fd = get_unused_fd_flags(0); + if (fd < 0) { + retval = fd; + goto err; + } + + filp = pty_open_peer(tty, flags); + if (IS_ERR(filp)) { + retval = PTR_ERR(filp); + goto err_put; + } + + fd_install(fd, filp); + return fd; + +err_put: + put_unused_fd(fd); +err: + return retval; +} + static int pty_unix98_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg) { diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 343de8c384b0..898dcb091a27 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -619,6 +619,12 @@ static unsigned int lpuart32_tx_empty(struct uart_port *port) TIOCSER_TEMT : 0; } +static bool lpuart_is_32(struct lpuart_port *sport) +{ + return sport->port.iotype == UPIO_MEM32 || + sport->port.iotype == UPIO_MEM32BE; +} + static irqreturn_t lpuart_txint(int irq, void *dev_id) { struct lpuart_port *sport = dev_id; @@ -627,7 +633,7 @@ static irqreturn_t lpuart_txint(int irq, void *dev_id) spin_lock_irqsave(&sport->port.lock, flags); if (sport->port.x_char) { - if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) + if (lpuart_is_32(sport)) lpuart32_write(&sport->port, sport->port.x_char, UARTDATA); else writeb(sport->port.x_char, sport->port.membase + UARTDR); @@ -635,14 +641,14 @@ static irqreturn_t lpuart_txint(int irq, void *dev_id) } if (uart_circ_empty(xmit) || uart_tx_stopped(&sport->port)) { - if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) + if (lpuart_is_32(sport)) lpuart32_stop_tx(&sport->port); else lpuart_stop_tx(&sport->port); goto out; } - if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) + if (lpuart_is_32(sport)) lpuart32_transmit_buffer(sport); else lpuart_transmit_buffer(sport); @@ -1978,12 +1984,12 @@ static int __init lpuart_console_setup(struct console *co, char *options) if (options) uart_parse_options(options, &baud, &parity, &bits, &flow); else - if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) + if (lpuart_is_32(sport)) lpuart32_console_get_options(sport, &baud, &parity, &bits); else lpuart_console_get_options(sport, &baud, &parity, &bits); - if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) + if (lpuart_is_32(sport)) lpuart32_setup_watermark(sport); else lpuart_setup_watermark(sport); @@ -2118,7 +2124,7 @@ static int lpuart_probe(struct platform_device *pdev) } sport->port.irq = ret; sport->port.iotype = sdata->iotype; - if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) + if (lpuart_is_32(sport)) sport->port.ops = &lpuart32_pops; else sport->port.ops = &lpuart_pops; @@ -2145,7 +2151,7 @@ static int lpuart_probe(struct platform_device *pdev) platform_set_drvdata(pdev, &sport->port); - if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) + if (lpuart_is_32(sport)) lpuart_reg.cons = LPUART32_CONSOLE; else lpuart_reg.cons = LPUART_CONSOLE; @@ -2198,7 +2204,7 @@ static int lpuart_suspend(struct device *dev) struct lpuart_port *sport = dev_get_drvdata(dev); unsigned long temp; - if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) { + if (lpuart_is_32(sport)) { /* disable Rx/Tx and interrupts */ temp = lpuart32_read(&sport->port, UARTCTRL); temp &= ~(UARTCTRL_TE | UARTCTRL_TIE | UARTCTRL_TCIE); @@ -2249,7 +2255,7 @@ static int lpuart_resume(struct device *dev) if (sport->port.suspended && !sport->port.irq_wake) clk_prepare_enable(sport->clk); - if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) { + if (lpuart_is_32(sport)) { lpuart32_setup_watermark(sport); temp = lpuart32_read(&sport->port, UARTCTRL); temp |= (UARTCTRL_RIE | UARTCTRL_TIE | UARTCTRL_RE | diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 9e3162bf3bd1..80934e7bd67f 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -186,11 +186,6 @@ #define UART_NR 8 -/* RX DMA buffer periods */ -#define RX_DMA_PERIODS 4 -#define RX_BUF_SIZE (PAGE_SIZE) - - /* i.MX21 type uart runs on all i.mx except i.MX1 and i.MX6q */ enum imx_uart_type { IMX1_UART, @@ -226,7 +221,6 @@ struct imx_port { struct dma_chan *dma_chan_rx, *dma_chan_tx; struct scatterlist rx_sgl, tx_sgl[2]; void *rx_buf; - unsigned int rx_buf_size; struct circ_buf rx_ring; unsigned int rx_periods; dma_cookie_t rx_cookie; @@ -464,7 +458,7 @@ static inline void imx_transmit_buffer(struct imx_port *sport) } } - while (!uart_circ_empty(xmit) && + while (!uart_circ_empty(xmit) && !sport->dma_is_txing && !(readl(sport->port.membase + uts_reg(sport)) & UTS_TXFULL)) { /* send xmit->buf[xmit->tail] * out the port here */ @@ -967,6 +961,8 @@ static void imx_timeout(unsigned long data) } } +#define RX_BUF_SIZE (PAGE_SIZE) + /* * There are two kinds of RX DMA interrupts(such as in the MX6Q): * [1] the RX DMA buffer is full. @@ -1049,6 +1045,9 @@ static void dma_rx_callback(void *data) } } +/* RX DMA buffer periods */ +#define RX_DMA_PERIODS 4 + static int start_rx_dma(struct imx_port *sport) { struct scatterlist *sgl = &sport->rx_sgl; @@ -1059,8 +1058,9 @@ static int start_rx_dma(struct imx_port *sport) sport->rx_ring.head = 0; sport->rx_ring.tail = 0; + sport->rx_periods = RX_DMA_PERIODS; - sg_init_one(sgl, sport->rx_buf, sport->rx_buf_size); + sg_init_one(sgl, sport->rx_buf, RX_BUF_SIZE); ret = dma_map_sg(dev, sgl, 1, DMA_FROM_DEVICE); if (ret == 0) { dev_err(dev, "DMA mapping error for RX.\n"); @@ -1171,7 +1171,7 @@ static int imx_uart_dma_init(struct imx_port *sport) goto err; } - sport->rx_buf = kzalloc(sport->rx_buf_size, GFP_KERNEL); + sport->rx_buf = kzalloc(PAGE_SIZE, GFP_KERNEL); if (!sport->rx_buf) { ret = -ENOMEM; goto err; @@ -2036,7 +2036,6 @@ static int serial_imx_probe_dt(struct imx_port *sport, { struct device_node *np = pdev->dev.of_node; int ret; - u32 dma_buf_size[2]; sport->devdata = of_device_get_match_data(&pdev->dev); if (!sport->devdata) @@ -2060,14 +2059,6 @@ static int serial_imx_probe_dt(struct imx_port *sport, if (of_get_property(np, "rts-gpios", NULL)) sport->have_rtsgpio = 1; - if (!of_property_read_u32_array(np, "fsl,dma-size", dma_buf_size, 2)) { - sport->rx_buf_size = dma_buf_size[0] * dma_buf_size[1]; - sport->rx_periods = dma_buf_size[1]; - } else { - sport->rx_buf_size = RX_BUF_SIZE; - sport->rx_periods = RX_DMA_PERIODS; - } - return 0; } #else diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index da5ddfc14778..e08b16b070c0 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1085,10 +1085,12 @@ static ssize_t rx_trigger_store(struct device *dev, { struct uart_port *port = dev_get_drvdata(dev); struct sci_port *sci = to_sci_port(port); + int ret; long r; - if (kstrtol(buf, 0, &r) == -EINVAL) - return -EINVAL; + ret = kstrtol(buf, 0, &r); + if (ret) + return ret; sci->rx_trigger = scif_set_rtrg(port, r); if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) @@ -1116,10 +1118,12 @@ static ssize_t rx_fifo_timeout_store(struct device *dev, { struct uart_port *port = dev_get_drvdata(dev); struct sci_port *sci = to_sci_port(port); + int ret; long r; - if (kstrtol(buf, 0, &r) == -EINVAL) - return -EINVAL; + ret = kstrtol(buf, 0, &r); + if (ret) + return ret; sci->rx_fifo_timeout = r; scif_set_rtrg(port, 1); if (r > 0) diff --git a/drivers/tty/serial/st-asc.c b/drivers/tty/serial/st-asc.c index f5335be344f6..6b0ca65027d0 100644 --- a/drivers/tty/serial/st-asc.c +++ b/drivers/tty/serial/st-asc.c @@ -758,6 +758,7 @@ static int asc_init_port(struct asc_port *ascport, if (IS_ERR(ascport->pinctrl)) { ret = PTR_ERR(ascport->pinctrl); dev_err(&pdev->dev, "Failed to get Pinctrl: %d\n", ret); + return ret; } ascport->states[DEFAULT] = diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 5357d83bbda2..5e056064259c 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1829,6 +1829,9 @@ static const struct usb_device_id acm_ids[] = { { USB_DEVICE(0x1576, 0x03b1), /* Maretron USB100 */ .driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */ }, + { USB_DEVICE(0xfff0, 0x0100), /* DATECS FP-2000 */ + .driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */ + }, { USB_DEVICE(0x2912, 0x0001), /* ATOL FPrint */ .driver_info = CLEAR_HALT_CONDITIONS, diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index bc3b3fda5000..c4066cd77e47 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -3573,6 +3573,9 @@ irq_retry: /* Report disconnection if it is not already done. */ dwc2_hsotg_disconnect(hsotg); + /* Reset device address to zero */ + __bic32(hsotg->regs + DCFG, DCFG_DEVADDR_MASK); + if (usb_status & GOTGCTL_BSESVLD && connected) dwc2_hsotg_core_init_disconnected(hsotg, true); } diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 326b302fc440..03474d3575ab 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -766,15 +766,15 @@ static int dwc3_core_init(struct dwc3 *dwc) dwc->maximum_speed = USB_SPEED_HIGH; } - ret = dwc3_core_soft_reset(dwc); + ret = dwc3_core_get_phy(dwc); if (ret) goto err0; - ret = dwc3_phy_setup(dwc); + ret = dwc3_core_soft_reset(dwc); if (ret) goto err0; - ret = dwc3_core_get_phy(dwc); + ret = dwc3_phy_setup(dwc); if (ret) goto err0; diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 98926504b55b..f5aaa0cf3873 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -512,15 +512,6 @@ static int dwc3_omap_probe(struct platform_device *pdev) /* check the DMA Status */ reg = dwc3_omap_readl(omap->base, USBOTGSS_SYSCONFIG); - irq_set_status_flags(omap->irq, IRQ_NOAUTOEN); - ret = devm_request_threaded_irq(dev, omap->irq, dwc3_omap_interrupt, - dwc3_omap_interrupt_thread, IRQF_SHARED, - "dwc3-omap", omap); - if (ret) { - dev_err(dev, "failed to request IRQ #%d --> %d\n", - omap->irq, ret); - goto err1; - } ret = dwc3_omap_extcon_register(omap); if (ret < 0) @@ -532,8 +523,15 @@ static int dwc3_omap_probe(struct platform_device *pdev) goto err1; } + ret = devm_request_threaded_irq(dev, omap->irq, dwc3_omap_interrupt, + dwc3_omap_interrupt_thread, IRQF_SHARED, + "dwc3-omap", omap); + if (ret) { + dev_err(dev, "failed to request IRQ #%d --> %d\n", + omap->irq, ret); + goto err1; + } dwc3_omap_enable_irqs(omap); - enable_irq(omap->irq); return 0; err1: diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 9e41605a276b..6b299c7b7656 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -191,14 +191,16 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, req->started = false; list_del(&req->list); - req->trb = NULL; req->remaining = 0; if (req->request.status == -EINPROGRESS) req->request.status = status; - usb_gadget_unmap_request_by_dev(dwc->sysdev, - &req->request, req->direction); + if (req->trb) + usb_gadget_unmap_request_by_dev(dwc->sysdev, + &req->request, req->direction); + + req->trb = NULL; trace_dwc3_gadget_giveback(req); diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c index e80b9c123a9d..f95bddd6513f 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -2490,7 +2490,7 @@ static int fsg_main_thread(void *common_) int i; down_write(&common->filesem); - for (i = 0; i < ARRAY_SIZE(common->luns); --i) { + for (i = 0; i < ARRAY_SIZE(common->luns); i++) { struct fsg_lun *curlun = common->luns[i]; if (!curlun || !fsg_lun_is_open(curlun)) continue; diff --git a/drivers/usb/gadget/function/f_uac1.c b/drivers/usb/gadget/function/f_uac1.c index 8656f84e17d9..29efbedc91f9 100644 --- a/drivers/usb/gadget/function/f_uac1.c +++ b/drivers/usb/gadget/function/f_uac1.c @@ -92,9 +92,9 @@ static struct uac_input_terminal_descriptor usb_out_it_desc = { .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_INPUT_TERMINAL, .bTerminalID = USB_OUT_IT_ID, - .wTerminalType = UAC_TERMINAL_STREAMING, + .wTerminalType = cpu_to_le16(UAC_TERMINAL_STREAMING), .bAssocTerminal = 0, - .wChannelConfig = 0x3, + .wChannelConfig = cpu_to_le16(0x3), }; #define IO_OUT_OT_ID 2 @@ -103,7 +103,7 @@ static struct uac1_output_terminal_descriptor io_out_ot_desc = { .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_OUTPUT_TERMINAL, .bTerminalID = IO_OUT_OT_ID, - .wTerminalType = UAC_OUTPUT_TERMINAL_SPEAKER, + .wTerminalType = cpu_to_le16(UAC_OUTPUT_TERMINAL_SPEAKER), .bAssocTerminal = 0, .bSourceID = USB_OUT_IT_ID, }; @@ -114,9 +114,9 @@ static struct uac_input_terminal_descriptor io_in_it_desc = { .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_INPUT_TERMINAL, .bTerminalID = IO_IN_IT_ID, - .wTerminalType = UAC_INPUT_TERMINAL_MICROPHONE, + .wTerminalType = cpu_to_le16(UAC_INPUT_TERMINAL_MICROPHONE), .bAssocTerminal = 0, - .wChannelConfig = 0x3, + .wChannelConfig = cpu_to_le16(0x3), }; #define USB_IN_OT_ID 4 @@ -125,7 +125,7 @@ static struct uac1_output_terminal_descriptor usb_in_ot_desc = { .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_OUTPUT_TERMINAL, .bTerminalID = USB_IN_OT_ID, - .wTerminalType = UAC_TERMINAL_STREAMING, + .wTerminalType = cpu_to_le16(UAC_TERMINAL_STREAMING), .bAssocTerminal = 0, .bSourceID = IO_IN_IT_ID, }; @@ -174,7 +174,7 @@ static struct uac1_as_header_descriptor as_out_header_desc = { .bDescriptorSubtype = UAC_AS_GENERAL, .bTerminalLink = USB_OUT_IT_ID, .bDelay = 1, - .wFormatTag = UAC_FORMAT_TYPE_I_PCM, + .wFormatTag = cpu_to_le16(UAC_FORMAT_TYPE_I_PCM), }; static struct uac1_as_header_descriptor as_in_header_desc = { @@ -183,7 +183,7 @@ static struct uac1_as_header_descriptor as_in_header_desc = { .bDescriptorSubtype = UAC_AS_GENERAL, .bTerminalLink = USB_IN_OT_ID, .bDelay = 1, - .wFormatTag = UAC_FORMAT_TYPE_I_PCM, + .wFormatTag = cpu_to_le16(UAC_FORMAT_TYPE_I_PCM), }; DECLARE_UAC_FORMAT_TYPE_I_DISCRETE_DESC(1); @@ -606,8 +606,8 @@ static int f_audio_bind(struct usb_configuration *c, struct usb_function *f) if (status) goto fail; - audio->out_ep_maxpsize = as_out_ep_desc.wMaxPacketSize; - audio->in_ep_maxpsize = as_in_ep_desc.wMaxPacketSize; + audio->out_ep_maxpsize = le16_to_cpu(as_out_ep_desc.wMaxPacketSize); + audio->in_ep_maxpsize = le16_to_cpu(as_in_ep_desc.wMaxPacketSize); audio->params.c_chmask = audio_opts->c_chmask; audio->params.c_srate = audio_opts->c_srate; audio->params.c_ssize = audio_opts->c_ssize; diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index 9082ce261e70..f05c3f3e6103 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -168,7 +168,7 @@ static struct uac2_input_terminal_descriptor usb_out_it_desc = { .bAssocTerminal = 0, .bCSourceID = USB_OUT_CLK_ID, .iChannelNames = 0, - .bmControls = (CONTROL_RDWR << COPY_CTRL), + .bmControls = cpu_to_le16(CONTROL_RDWR << COPY_CTRL), }; /* Input Terminal for I/O-In */ @@ -182,7 +182,7 @@ static struct uac2_input_terminal_descriptor io_in_it_desc = { .bAssocTerminal = 0, .bCSourceID = USB_IN_CLK_ID, .iChannelNames = 0, - .bmControls = (CONTROL_RDWR << COPY_CTRL), + .bmControls = cpu_to_le16(CONTROL_RDWR << COPY_CTRL), }; /* Ouput Terminal for USB_IN */ @@ -196,7 +196,7 @@ static struct uac2_output_terminal_descriptor usb_in_ot_desc = { .bAssocTerminal = 0, .bSourceID = IO_IN_IT_ID, .bCSourceID = USB_IN_CLK_ID, - .bmControls = (CONTROL_RDWR << COPY_CTRL), + .bmControls = cpu_to_le16(CONTROL_RDWR << COPY_CTRL), }; /* Ouput Terminal for I/O-Out */ @@ -210,7 +210,7 @@ static struct uac2_output_terminal_descriptor io_out_ot_desc = { .bAssocTerminal = 0, .bSourceID = USB_OUT_IT_ID, .bCSourceID = USB_OUT_CLK_ID, - .bmControls = (CONTROL_RDWR << COPY_CTRL), + .bmControls = cpu_to_le16(CONTROL_RDWR << COPY_CTRL), }; static struct uac2_ac_header_descriptor ac_hdr_desc = { @@ -220,9 +220,10 @@ static struct uac2_ac_header_descriptor ac_hdr_desc = { .bDescriptorSubtype = UAC_MS_HEADER, .bcdADC = cpu_to_le16(0x200), .bCategory = UAC2_FUNCTION_IO_BOX, - .wTotalLength = sizeof in_clk_src_desc + sizeof out_clk_src_desc - + sizeof usb_out_it_desc + sizeof io_in_it_desc - + sizeof usb_in_ot_desc + sizeof io_out_ot_desc, + .wTotalLength = cpu_to_le16(sizeof in_clk_src_desc + + sizeof out_clk_src_desc + sizeof usb_out_it_desc + + sizeof io_in_it_desc + sizeof usb_in_ot_desc + + sizeof io_out_ot_desc), .bmControls = 0, }; @@ -569,10 +570,12 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) return ret; } - agdev->in_ep_maxpsize = max(fs_epin_desc.wMaxPacketSize, - hs_epin_desc.wMaxPacketSize); - agdev->out_ep_maxpsize = max(fs_epout_desc.wMaxPacketSize, - hs_epout_desc.wMaxPacketSize); + agdev->in_ep_maxpsize = max_t(u16, + le16_to_cpu(fs_epin_desc.wMaxPacketSize), + le16_to_cpu(hs_epin_desc.wMaxPacketSize)); + agdev->out_ep_maxpsize = max_t(u16, + le16_to_cpu(fs_epout_desc.wMaxPacketSize), + le16_to_cpu(hs_epout_desc.wMaxPacketSize)); hs_epout_desc.bEndpointAddress = fs_epout_desc.bEndpointAddress; hs_epin_desc.bEndpointAddress = fs_epin_desc.bEndpointAddress; diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig index 9ffb11ec9ed9..7cd5c969fcbe 100644 --- a/drivers/usb/gadget/udc/Kconfig +++ b/drivers/usb/gadget/udc/Kconfig @@ -192,7 +192,7 @@ config USB_RENESAS_USBHS_UDC config USB_RENESAS_USB3 tristate 'Renesas USB3.0 Peripheral controller' depends on ARCH_RENESAS || COMPILE_TEST - depends on EXTCON + depends on EXTCON && HAS_DMA help Renesas USB3.0 Peripheral controller is a USB peripheral controller that supports super, high, and full speed USB 3.0 data transfers. @@ -257,6 +257,7 @@ config USB_MV_U3D config USB_SNP_CORE depends on (USB_AMD5536UDC || USB_SNP_UDC_PLAT) + depends on HAS_DMA tristate help This enables core driver support for Synopsys USB 2.0 Device @@ -271,7 +272,7 @@ config USB_SNP_CORE config USB_SNP_UDC_PLAT tristate "Synopsys USB 2.0 Device controller" - depends on (USB_GADGET && OF) + depends on USB_GADGET && OF && HAS_DMA select USB_GADGET_DUALSPEED select USB_SNP_CORE default ARCH_BCM_IPROC diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index d8278322d5ac..62dc9c7798e7 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -89,6 +89,9 @@ /* USB_COM_CON */ #define USB_COM_CON_CONF BIT(24) +#define USB_COM_CON_PN_WDATAIF_NL BIT(23) +#define USB_COM_CON_PN_RDATAIF_NL BIT(22) +#define USB_COM_CON_PN_LSTTR_PP BIT(21) #define USB_COM_CON_SPD_MODE BIT(17) #define USB_COM_CON_EP0_EN BIT(16) #define USB_COM_CON_DEV_ADDR_SHIFT 8 @@ -686,6 +689,9 @@ static void renesas_usb3_init_controller(struct renesas_usb3 *usb3) { usb3_init_axi_bridge(usb3); usb3_init_epc_registers(usb3); + usb3_set_bit(usb3, USB_COM_CON_PN_WDATAIF_NL | + USB_COM_CON_PN_RDATAIF_NL | USB_COM_CON_PN_LSTTR_PP, + USB3_USB_COM_CON); usb3_write(usb3, USB_OTG_IDMON, USB3_USB_OTG_INT_STA); usb3_write(usb3, USB_OTG_IDMON, USB3_USB_OTG_INT_ENA); @@ -1369,7 +1375,7 @@ static int renesas_usb3_dma_free_prd(struct renesas_usb3 *usb3, usb3_for_each_dma(usb3, dma, i) { if (dma->prd) { - dma_free_coherent(dev, USB3_DMA_MAX_XFER_SIZE, + dma_free_coherent(dev, USB3_DMA_PRD_SIZE, dma->prd, dma->prd_dma); dma->prd = NULL; } @@ -1409,12 +1415,12 @@ static void usb3_start_pipen(struct renesas_usb3_ep *usb3_ep, int ret = -EAGAIN; u32 enable_bits = 0; + spin_lock_irqsave(&usb3->lock, flags); if (usb3_ep->halt || usb3_ep->started) - return; + goto out; if (usb3_req != usb3_req_first) - return; + goto out; - spin_lock_irqsave(&usb3->lock, flags); if (usb3_pn_change(usb3, usb3_ep->num) < 0) goto out; diff --git a/drivers/usb/gadget/udc/snps_udc_plat.c b/drivers/usb/gadget/udc/snps_udc_plat.c index 2e11f19e07ae..f7b4d0f159e4 100644 --- a/drivers/usb/gadget/udc/snps_udc_plat.c +++ b/drivers/usb/gadget/udc/snps_udc_plat.c @@ -28,7 +28,7 @@ /* description */ #define UDC_MOD_DESCRIPTION "Synopsys UDC platform driver" -void start_udc(struct udc *udc) +static void start_udc(struct udc *udc) { if (udc->driver) { dev_info(udc->dev, "Connecting...\n"); @@ -38,7 +38,7 @@ void start_udc(struct udc *udc) } } -void stop_udc(struct udc *udc) +static void stop_udc(struct udc *udc) { int tmp; u32 reg; @@ -76,7 +76,7 @@ void stop_udc(struct udc *udc) dev_info(udc->dev, "Device disconnected\n"); } -void udc_drd_work(struct work_struct *work) +static void udc_drd_work(struct work_struct *work) { struct udc *udc; diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index a9a1e4c40480..c8989c62a262 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -77,6 +77,16 @@ #define USB_INTEL_USB3_PSSEN 0xD8 #define USB_INTEL_USB3PRM 0xDC +/* ASMEDIA quirk use */ +#define ASMT_DATA_WRITE0_REG 0xF8 +#define ASMT_DATA_WRITE1_REG 0xFC +#define ASMT_CONTROL_REG 0xE0 +#define ASMT_CONTROL_WRITE_BIT 0x02 +#define ASMT_WRITEREG_CMD 0x10423 +#define ASMT_FLOWCTL_ADDR 0xFA30 +#define ASMT_FLOWCTL_DATA 0xBA +#define ASMT_PSEUDO_DATA 0 + /* * amd_chipset_gen values represent AMD different chipset generations */ @@ -412,6 +422,50 @@ void usb_amd_quirk_pll_disable(void) } EXPORT_SYMBOL_GPL(usb_amd_quirk_pll_disable); +static int usb_asmedia_wait_write(struct pci_dev *pdev) +{ + unsigned long retry_count; + unsigned char value; + + for (retry_count = 1000; retry_count > 0; --retry_count) { + + pci_read_config_byte(pdev, ASMT_CONTROL_REG, &value); + + if (value == 0xff) { + dev_err(&pdev->dev, "%s: check_ready ERROR", __func__); + return -EIO; + } + + if ((value & ASMT_CONTROL_WRITE_BIT) == 0) + return 0; + + usleep_range(40, 60); + } + + dev_warn(&pdev->dev, "%s: check_write_ready timeout", __func__); + return -ETIMEDOUT; +} + +void usb_asmedia_modifyflowcontrol(struct pci_dev *pdev) +{ + if (usb_asmedia_wait_write(pdev) != 0) + return; + + /* send command and address to device */ + pci_write_config_dword(pdev, ASMT_DATA_WRITE0_REG, ASMT_WRITEREG_CMD); + pci_write_config_dword(pdev, ASMT_DATA_WRITE1_REG, ASMT_FLOWCTL_ADDR); + pci_write_config_byte(pdev, ASMT_CONTROL_REG, ASMT_CONTROL_WRITE_BIT); + + if (usb_asmedia_wait_write(pdev) != 0) + return; + + /* send data to device */ + pci_write_config_dword(pdev, ASMT_DATA_WRITE0_REG, ASMT_FLOWCTL_DATA); + pci_write_config_dword(pdev, ASMT_DATA_WRITE1_REG, ASMT_PSEUDO_DATA); + pci_write_config_byte(pdev, ASMT_CONTROL_REG, ASMT_CONTROL_WRITE_BIT); +} +EXPORT_SYMBOL_GPL(usb_asmedia_modifyflowcontrol); + void usb_amd_quirk_pll_enable(void) { usb_amd_quirk_pll(0); diff --git a/drivers/usb/host/pci-quirks.h b/drivers/usb/host/pci-quirks.h index 0222195bd5b0..655994480198 100644 --- a/drivers/usb/host/pci-quirks.h +++ b/drivers/usb/host/pci-quirks.h @@ -11,6 +11,7 @@ bool usb_amd_prefetch_quirk(void); void usb_amd_dev_put(void); void usb_amd_quirk_pll_disable(void); void usb_amd_quirk_pll_enable(void); +void usb_asmedia_modifyflowcontrol(struct pci_dev *pdev); void usb_enable_intel_xhci_ports(struct pci_dev *xhci_pdev); void usb_disable_xhci_ports(struct pci_dev *xhci_pdev); void sb800_prefetch(struct device *dev, int on); @@ -18,6 +19,7 @@ void sb800_prefetch(struct device *dev, int on); struct pci_dev; static inline void usb_amd_quirk_pll_disable(void) {} static inline void usb_amd_quirk_pll_enable(void) {} +static inline void usb_asmedia_modifyflowcontrol(struct pci_dev *pdev) {} static inline void usb_amd_dev_put(void) {} static inline void usb_disable_xhci_ports(struct pci_dev *xhci_pdev) {} static inline void sb800_prefetch(struct device *dev, int on) {} diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 1adae9eab831..00721e8807ab 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -398,14 +398,21 @@ static int xhci_stop_device(struct xhci_hcd *xhci, int slot_id, int suspend) spin_lock_irqsave(&xhci->lock, flags); for (i = LAST_EP_INDEX; i > 0; i--) { if (virt_dev->eps[i].ring && virt_dev->eps[i].ring->dequeue) { + struct xhci_ep_ctx *ep_ctx; struct xhci_command *command; + + ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->out_ctx, i); + + /* Check ep is running, required by AMD SNPS 3.1 xHC */ + if (GET_EP_CTX_STATE(ep_ctx) != EP_STATE_RUNNING) + continue; + command = xhci_alloc_command(xhci, false, false, GFP_NOWAIT); if (!command) { spin_unlock_irqrestore(&xhci->lock, flags); xhci_free_command(xhci, cmd); return -ENOMEM; - } xhci_queue_stop_endpoint(xhci, command, slot_id, i, suspend); @@ -603,12 +610,14 @@ static int xhci_enter_test_mode(struct xhci_hcd *xhci, /* Disable all Device Slots */ xhci_dbg(xhci, "Disable all slots\n"); + spin_unlock_irqrestore(&xhci->lock, *flags); for (i = 1; i <= HCS_MAX_SLOTS(xhci->hcs_params1); i++) { retval = xhci_disable_slot(xhci, NULL, i); if (retval) xhci_err(xhci, "Failed to disable slot %d, %d. Enter test mode anyway\n", i, retval); } + spin_lock_irqsave(&xhci->lock, *flags); /* Put all ports to the Disable state by clear PP */ xhci_dbg(xhci, "Disable all port (PP = 0)\n"); /* Power off USB3 ports*/ @@ -897,6 +906,9 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd, clear_bit(wIndex, &bus_state->resuming_ports); set_bit(wIndex, &bus_state->rexit_ports); + + xhci_test_and_clear_bit(xhci, port_array, wIndex, + PORT_PLC); xhci_set_link_state(xhci, port_array, wIndex, XDEV_U0); diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 53882e2babbb..5b0fa553c8bc 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -59,6 +59,8 @@ #define PCI_DEVICE_ID_AMD_PROMONTORYA_2 0x43bb #define PCI_DEVICE_ID_AMD_PROMONTORYA_1 0x43bc +#define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI 0x1142 + static const char hcd_name[] = "xhci_hcd"; static struct hc_driver __read_mostly xhci_pci_hc_driver; @@ -217,6 +219,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) pdev->device == 0x1142) xhci->quirks |= XHCI_TRUST_TX_LENGTH; + if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA && + pdev->device == PCI_DEVICE_ID_ASMEDIA_1042A_XHCI) + xhci->quirks |= XHCI_ASMEDIA_MODIFY_FLOWCONTROL; + if (pdev->vendor == PCI_VENDOR_ID_TI && pdev->device == 0x8241) xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_7; diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index c50c902d009e..cc368ad2b51e 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -864,13 +864,16 @@ static void xhci_kill_endpoint_urbs(struct xhci_hcd *xhci, (ep->ep_state & EP_GETTING_NO_STREAMS)) { int stream_id; - for (stream_id = 0; stream_id < ep->stream_info->num_streams; + for (stream_id = 1; stream_id < ep->stream_info->num_streams; stream_id++) { + ring = ep->stream_info->stream_rings[stream_id]; + if (!ring) + continue; + xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, "Killing URBs for slot ID %u, ep index %u, stream %u", - slot_id, ep_index, stream_id + 1); - xhci_kill_ring_urbs(xhci, - ep->stream_info->stream_rings[stream_id]); + slot_id, ep_index, stream_id); + xhci_kill_ring_urbs(xhci, ring); } } else { ring = ep->ring; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 56f85df013db..b2ff1ff1a02f 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -198,6 +198,9 @@ int xhci_reset(struct xhci_hcd *xhci) if (ret) return ret; + if (xhci->quirks & XHCI_ASMEDIA_MODIFY_FLOWCONTROL) + usb_asmedia_modifyflowcontrol(to_pci_dev(xhci_to_hcd(xhci)->self.controller)); + xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Wait for controller to be ready for doorbell rings"); /* @@ -622,8 +625,10 @@ int xhci_run(struct usb_hcd *hcd) if (!command) return -ENOMEM; - xhci_queue_vendor_command(xhci, command, 0, 0, 0, + ret = xhci_queue_vendor_command(xhci, command, 0, 0, 0, TRB_TYPE(TRB_NEC_GET_FW)); + if (ret) + xhci_free_command(xhci, command); } xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Finished xhci_run for USB2 roothub"); @@ -1085,6 +1090,9 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) && !comp_timer_running) compliance_mode_recovery_timer_init(xhci); + if (xhci->quirks & XHCI_ASMEDIA_MODIFY_FLOWCONTROL) + usb_asmedia_modifyflowcontrol(to_pci_dev(hcd->self.controller)); + /* Re-enable port polling. */ xhci_dbg(xhci, "%s: starting port polling.\n", __func__); set_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags); diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 3c6da1f93c84..e3e935291ed6 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1820,6 +1820,7 @@ struct xhci_hcd { #define XHCI_BROKEN_PORT_PED (1 << 25) #define XHCI_LIMIT_ENDPOINT_INTERVAL_7 (1 << 26) #define XHCI_U2_DISABLE_WAKE (1 << 27) +#define XHCI_ASMEDIA_MODIFY_FLOWCONTROL (1 << 28) unsigned int num_active_eps; unsigned int limit_active_eps; diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index 623c51300393..f0ce304c5aaf 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -752,8 +752,10 @@ static int usbhsc_resume(struct device *dev) struct usbhs_priv *priv = dev_get_drvdata(dev); struct platform_device *pdev = usbhs_priv_to_pdev(priv); - if (!usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL)) + if (!usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL)) { usbhsc_power_ctrl(priv, 1); + usbhs_mod_autonomy_mode(priv); + } usbhs_platform_call(priv, phy_reset, pdev); diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 5bc7a6138855..93fba9033b00 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -37,6 +37,7 @@ struct usbhsg_gpriv; struct usbhsg_uep { struct usb_ep ep; struct usbhs_pipe *pipe; + spinlock_t lock; /* protect the pipe */ char ep_name[EP_NAME_SIZE]; @@ -636,10 +637,16 @@ usbhsg_ep_enable_end: static int usbhsg_ep_disable(struct usb_ep *ep) { struct usbhsg_uep *uep = usbhsg_ep_to_uep(ep); - struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep); + struct usbhs_pipe *pipe; + unsigned long flags; + int ret = 0; - if (!pipe) - return -EINVAL; + spin_lock_irqsave(&uep->lock, flags); + pipe = usbhsg_uep_to_pipe(uep); + if (!pipe) { + ret = -EINVAL; + goto out; + } usbhsg_pipe_disable(uep); usbhs_pipe_free(pipe); @@ -647,6 +654,9 @@ static int usbhsg_ep_disable(struct usb_ep *ep) uep->pipe->mod_private = NULL; uep->pipe = NULL; +out: + spin_unlock_irqrestore(&uep->lock, flags); + return 0; } @@ -696,8 +706,11 @@ static int usbhsg_ep_dequeue(struct usb_ep *ep, struct usb_request *req) { struct usbhsg_uep *uep = usbhsg_ep_to_uep(ep); struct usbhsg_request *ureq = usbhsg_req_to_ureq(req); - struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep); + struct usbhs_pipe *pipe; + unsigned long flags; + spin_lock_irqsave(&uep->lock, flags); + pipe = usbhsg_uep_to_pipe(uep); if (pipe) usbhs_pkt_pop(pipe, usbhsg_ureq_to_pkt(ureq)); @@ -706,6 +719,7 @@ static int usbhsg_ep_dequeue(struct usb_ep *ep, struct usb_request *req) * even if the pipe is NULL. */ usbhsg_queue_pop(uep, ureq, -ECONNRESET); + spin_unlock_irqrestore(&uep->lock, flags); return 0; } @@ -852,10 +866,10 @@ static int usbhsg_try_stop(struct usbhs_priv *priv, u32 status) { struct usbhsg_gpriv *gpriv = usbhsg_priv_to_gpriv(priv); struct usbhs_mod *mod = usbhs_mod_get_current(priv); - struct usbhsg_uep *dcp = usbhsg_gpriv_to_dcp(gpriv); + struct usbhsg_uep *uep; struct device *dev = usbhs_priv_to_dev(priv); unsigned long flags; - int ret = 0; + int ret = 0, i; /******************** spin lock ********************/ usbhs_lock(priv, flags); @@ -887,7 +901,9 @@ static int usbhsg_try_stop(struct usbhs_priv *priv, u32 status) usbhs_sys_set_test_mode(priv, 0); usbhs_sys_function_ctrl(priv, 0); - usbhsg_ep_disable(&dcp->ep); + /* disable all eps */ + usbhsg_for_each_uep_with_dcp(uep, gpriv, i) + usbhsg_ep_disable(&uep->ep); dev_dbg(dev, "stop gadget\n"); @@ -1069,6 +1085,7 @@ int usbhs_mod_gadget_probe(struct usbhs_priv *priv) ret = -ENOMEM; goto usbhs_mod_gadget_probe_err_gpriv; } + spin_lock_init(&uep->lock); gpriv->transceiver = usb_get_phy(USB_PHY_TYPE_UNDEFINED); dev_info(dev, "%stransceiver found\n", diff --git a/drivers/usb/storage/isd200.c b/drivers/usb/storage/isd200.c index fba4005dd737..6a7720e66595 100644 --- a/drivers/usb/storage/isd200.c +++ b/drivers/usb/storage/isd200.c @@ -1529,8 +1529,11 @@ static void isd200_ata_command(struct scsi_cmnd *srb, struct us_data *us) /* Make sure driver was initialized */ - if (us->extra == NULL) + if (us->extra == NULL) { usb_stor_dbg(us, "ERROR Driver not initialized\n"); + srb->result = DID_ERROR << 16; + return; + } scsi_set_resid(srb, 0); /* scsi_bufflen might change in protocol translation to ata */ diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h index 6b0d2f0918c6..8a88f45822e3 100644 --- a/drivers/usb/typec/ucsi/ucsi.h +++ b/drivers/usb/typec/ucsi/ucsi.h @@ -3,6 +3,7 @@ #define __DRIVER_USB_TYPEC_UCSI_H #include <linux/bitops.h> +#include <linux/device.h> #include <linux/types.h> /* -------------------------------------------------------------------------- */ diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c index 3612542b6044..83fc9aab34e8 100644 --- a/drivers/w1/masters/omap_hdq.c +++ b/drivers/w1/masters/omap_hdq.c @@ -704,7 +704,8 @@ static int omap_hdq_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (irq < 0) { - ret = -ENXIO; + dev_dbg(&pdev->dev, "Failed to get IRQ: %d\n", irq); + ret = irq; goto err_irq; } diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c index 95ea7e6b1d99..74471e7aa5cc 100644 --- a/drivers/w1/w1.c +++ b/drivers/w1/w1.c @@ -728,6 +728,7 @@ int w1_attach_slave_device(struct w1_master *dev, struct w1_reg_num *rn) memcpy(&sl->reg_num, rn, sizeof(sl->reg_num)); atomic_set(&sl->refcnt, 1); atomic_inc(&sl->master->refcnt); + dev->slave_count++; /* slave modules need to be loaded in a context with unlocked mutex */ mutex_unlock(&dev->mutex); @@ -747,11 +748,11 @@ int w1_attach_slave_device(struct w1_master *dev, struct w1_reg_num *rn) sl->family = f; - err = __w1_attach_slave_device(sl); if (err < 0) { dev_err(&dev->dev, "%s: Attaching %s failed.\n", __func__, sl->name); + dev->slave_count--; w1_family_put(sl->family); atomic_dec(&sl->master->refcnt); kfree(sl); @@ -759,7 +760,6 @@ int w1_attach_slave_device(struct w1_master *dev, struct w1_reg_num *rn) } sl->ttl = dev->slave_ttl; - dev->slave_count++; memcpy(msg.id.id, rn, sizeof(msg.id)); msg.type = W1_SLAVE_ADD; diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 50dcb68d8070..ab609255a0f3 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -780,6 +780,9 @@ static int __init balloon_init(void) } #endif + /* Init the xen-balloon driver. */ + xen_balloon_init(); + return 0; } subsys_initcall(balloon_init); diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c index d6786b87e13b..2c6a9114d332 100644 --- a/drivers/xen/grant-table.c +++ b/drivers/xen/grant-table.c @@ -42,6 +42,7 @@ #include <linux/delay.h> #include <linux/hardirq.h> #include <linux/workqueue.h> +#include <linux/ratelimit.h> #include <xen/xen.h> #include <xen/interface/xen.h> @@ -1072,8 +1073,14 @@ static int gnttab_expand(unsigned int req_entries) cur = nr_grant_frames; extra = ((req_entries + (grefs_per_grant_frame-1)) / grefs_per_grant_frame); - if (cur + extra > gnttab_max_grant_frames()) + if (cur + extra > gnttab_max_grant_frames()) { + pr_warn_ratelimited("xen/grant-table: max_grant_frames reached" + " cur=%u extra=%u limit=%u" + " gnttab_free_count=%u req_entries=%u\n", + cur, extra, gnttab_max_grant_frames(), + gnttab_free_count, req_entries); return -ENOSPC; + } rc = gnttab_map(cur, cur + extra - 1); if (rc == 0) diff --git a/drivers/xen/xen-balloon.c b/drivers/xen/xen-balloon.c index e7715cb62eef..e89136ab851e 100644 --- a/drivers/xen/xen-balloon.c +++ b/drivers/xen/xen-balloon.c @@ -59,6 +59,8 @@ static void watch_target(struct xenbus_watch *watch, { unsigned long long new_target; int err; + static bool watch_fired; + static long target_diff; err = xenbus_scanf(XBT_NIL, "memory", "target", "%llu", &new_target); if (err != 1) { @@ -69,7 +71,14 @@ static void watch_target(struct xenbus_watch *watch, /* The given memory/target value is in KiB, so it needs converting to * pages. PAGE_SHIFT converts bytes to pages, hence PAGE_SHIFT - 10. */ - balloon_set_new_target(new_target >> (PAGE_SHIFT - 10)); + new_target >>= PAGE_SHIFT - 10; + if (watch_fired) { + balloon_set_new_target(new_target - target_diff); + return; + } + + watch_fired = true; + target_diff = new_target - balloon_stats.target_pages; } static struct xenbus_watch target_watch = { .node = "memory/target", @@ -94,22 +103,15 @@ static struct notifier_block xenstore_notifier = { .notifier_call = balloon_init_watcher, }; -static int __init balloon_init(void) +void xen_balloon_init(void) { - if (!xen_domain()) - return -ENODEV; - - pr_info("Initialising balloon driver\n"); - register_balloon(&balloon_dev); register_xen_selfballooning(&balloon_dev); register_xenstore_notifier(&xenstore_notifier); - - return 0; } -subsys_initcall(balloon_init); +EXPORT_SYMBOL_GPL(xen_balloon_init); #define BALLOON_SHOW(name, format, args...) \ static ssize_t show_##name(struct device *dev, \ diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c index 69ec23daa25e..a1e6860b6f46 100644 --- a/fs/binfmt_flat.c +++ b/fs/binfmt_flat.c @@ -574,7 +574,7 @@ static int load_flat_file(struct linux_binprm *bprm, MAX_SHARED_LIBS * sizeof(unsigned long), FLAT_DATA_ALIGN); - pr_debug("Allocated data+bss+stack (%ld bytes): %lx\n", + pr_debug("Allocated data+bss+stack (%u bytes): %lx\n", data_len + bss_len + stack_len, datapos); fpos = ntohl(hdr->data_start); diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index e071d23f6148..ef7240ace576 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -271,6 +271,11 @@ out: if (ret < 0) err = ret; dput(last); + /* last_name no longer match cache index */ + if (fi->readdir_cache_idx >= 0) { + fi->readdir_cache_idx = -1; + fi->dir_release_count = 0; + } } return err; } diff --git a/fs/ext2/acl.c b/fs/ext2/acl.c index 79dafa71effd..51f0aea70cb4 100644 --- a/fs/ext2/acl.c +++ b/fs/ext2/acl.c @@ -175,11 +175,8 @@ ext2_get_acl(struct inode *inode, int type) return acl; } -/* - * inode->i_mutex: down - */ -int -ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type) +static int +__ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type) { int name_index; void *value = NULL; @@ -189,13 +186,6 @@ ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type) switch(type) { case ACL_TYPE_ACCESS: name_index = EXT2_XATTR_INDEX_POSIX_ACL_ACCESS; - if (acl) { - error = posix_acl_update_mode(inode, &inode->i_mode, &acl); - if (error) - return error; - inode->i_ctime = current_time(inode); - mark_inode_dirty(inode); - } break; case ACL_TYPE_DEFAULT: @@ -222,6 +212,31 @@ ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type) } /* + * inode->i_mutex: down + */ +int +ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type) +{ + int error; + int update_mode = 0; + umode_t mode = inode->i_mode; + + if (type == ACL_TYPE_ACCESS && acl) { + error = posix_acl_update_mode(inode, &mode, &acl); + if (error) + return error; + update_mode = 1; + } + error = __ext2_set_acl(inode, acl, type); + if (!error && update_mode) { + inode->i_mode = mode; + inode->i_ctime = current_time(inode); + mark_inode_dirty(inode); + } + return error; +} + +/* * Initialize the ACLs of a new inode. Called from ext2_new_inode. * * dir->i_mutex: down @@ -238,12 +253,12 @@ ext2_init_acl(struct inode *inode, struct inode *dir) return error; if (default_acl) { - error = ext2_set_acl(inode, default_acl, ACL_TYPE_DEFAULT); + error = __ext2_set_acl(inode, default_acl, ACL_TYPE_DEFAULT); posix_acl_release(default_acl); } if (acl) { if (!error) - error = ext2_set_acl(inode, acl, ACL_TYPE_ACCESS); + error = __ext2_set_acl(inode, acl, ACL_TYPE_ACCESS); posix_acl_release(acl); } return error; diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c index a140c5e3dc54..b4b8438c42ef 100644 --- a/fs/f2fs/acl.c +++ b/fs/f2fs/acl.c @@ -211,7 +211,7 @@ static int __f2fs_set_acl(struct inode *inode, int type, switch (type) { case ACL_TYPE_ACCESS: name_index = F2FS_XATTR_INDEX_POSIX_ACL_ACCESS; - if (acl) { + if (acl && !ipage) { error = posix_acl_update_mode(inode, &inode->i_mode, &acl); if (error) return error; diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 56bbf592e487..5b876f6d3f6b 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -879,6 +879,7 @@ int sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type) struct inode *inode; struct f2fs_inode_info *fi; bool is_dir = (type == DIR_INODE); + unsigned long ino = 0; trace_f2fs_sync_dirty_inodes_enter(sbi->sb, is_dir, get_pages(sbi, is_dir ? @@ -901,8 +902,17 @@ retry: inode = igrab(&fi->vfs_inode); spin_unlock(&sbi->inode_lock[type]); if (inode) { + unsigned long cur_ino = inode->i_ino; + filemap_fdatawrite(inode->i_mapping); iput(inode); + /* We need to give cpu to another writers. */ + if (ino == cur_ino) { + congestion_wait(BLK_RW_ASYNC, HZ/50); + cond_resched(); + } else { + ino = cur_ino; + } } else { /* * We should submit bio, since it exists several diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index a0e6d2c65a9e..2706130c261b 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1538,7 +1538,6 @@ static int f2fs_ioc_setflags(struct file *filp, unsigned long arg) /* Is it quota file? Do not allow user to mess with it */ if (IS_NOQUOTA(inode)) { - inode_unlock(inode); ret = -EPERM; goto unlock_out; } @@ -1549,9 +1548,8 @@ static int f2fs_ioc_setflags(struct file *filp, unsigned long arg) if ((flags ^ oldflags) & (FS_APPEND_FL | FS_IMMUTABLE_FL)) { if (!capable(CAP_LINUX_IMMUTABLE)) { - inode_unlock(inode); ret = -EPERM; - goto out; + goto unlock_out; } } @@ -1564,7 +1562,6 @@ static int f2fs_ioc_setflags(struct file *filp, unsigned long arg) f2fs_mark_inode_dirty_sync(inode, false); unlock_out: inode_unlock(inode); -out: mnt_drop_write_file(filp); return ret; } diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index 9adc202fcd6f..71191d89917d 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -11,6 +11,7 @@ */ #include <linux/proc_fs.h> #include <linux/f2fs_fs.h> +#include <linux/seq_file.h> #include "f2fs.h" #include "segment.h" diff --git a/fs/hfsplus/posix_acl.c b/fs/hfsplus/posix_acl.c index 9b92058a1240..6bb5d7c42888 100644 --- a/fs/hfsplus/posix_acl.c +++ b/fs/hfsplus/posix_acl.c @@ -51,8 +51,8 @@ struct posix_acl *hfsplus_get_posix_acl(struct inode *inode, int type) return acl; } -int hfsplus_set_posix_acl(struct inode *inode, struct posix_acl *acl, - int type) +static int __hfsplus_set_posix_acl(struct inode *inode, struct posix_acl *acl, + int type) { int err; char *xattr_name; @@ -64,12 +64,6 @@ int hfsplus_set_posix_acl(struct inode *inode, struct posix_acl *acl, switch (type) { case ACL_TYPE_ACCESS: xattr_name = XATTR_NAME_POSIX_ACL_ACCESS; - if (acl) { - err = posix_acl_update_mode(inode, &inode->i_mode, &acl); - if (err) - return err; - } - err = 0; break; case ACL_TYPE_DEFAULT: @@ -105,6 +99,18 @@ end_set_acl: return err; } +int hfsplus_set_posix_acl(struct inode *inode, struct posix_acl *acl, int type) +{ + int err; + + if (type == ACL_TYPE_ACCESS && acl) { + err = posix_acl_update_mode(inode, &inode->i_mode, &acl); + if (err) + return err; + } + return __hfsplus_set_posix_acl(inode, acl, type); +} + int hfsplus_init_posix_acl(struct inode *inode, struct inode *dir) { int err = 0; @@ -122,15 +128,15 @@ int hfsplus_init_posix_acl(struct inode *inode, struct inode *dir) return err; if (default_acl) { - err = hfsplus_set_posix_acl(inode, default_acl, - ACL_TYPE_DEFAULT); + err = __hfsplus_set_posix_acl(inode, default_acl, + ACL_TYPE_DEFAULT); posix_acl_release(default_acl); } if (acl) { if (!err) - err = hfsplus_set_posix_acl(inode, acl, - ACL_TYPE_ACCESS); + err = __hfsplus_set_posix_acl(inode, acl, + ACL_TYPE_ACCESS); posix_acl_release(acl); } return err; diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c index 8cf898a59730..217a5e7815da 100644 --- a/fs/isofs/inode.c +++ b/fs/isofs/inode.c @@ -410,7 +410,11 @@ static int parse_options(char *options, struct iso9660_options *popt) if (match_int(&args[0], &option)) return 0; n = option; - if (n > 99) + /* + * Track numbers are supposed to be in range 1-99, the + * mount option starts indexing at 0. + */ + if (n >= 99) return 0; popt->session = n + 1; break; @@ -543,7 +547,7 @@ static unsigned int isofs_get_last_session(struct super_block *sb, s32 session) vol_desc_start=0; ms_info.addr_format=CDROM_LBA; - if(session >= 0 && session <= 99) { + if (session > 0) { struct cdrom_tocentry Te; Te.cdte_track=session; Te.cdte_format=CDROM_LBA; diff --git a/fs/mount.h b/fs/mount.h index de45d9e76748..6790767d1883 100644 --- a/fs/mount.h +++ b/fs/mount.h @@ -16,7 +16,7 @@ struct mnt_namespace { u64 event; unsigned int mounts; /* # of mounts in the namespace */ unsigned int pending_mounts; -}; +} __randomize_layout; struct mnt_pcp { int mnt_count; @@ -69,7 +69,7 @@ struct mount { struct hlist_head mnt_pins; struct fs_pin mnt_umount; struct dentry *mnt_ex_mountpoint; -}; +} __randomize_layout; #define MNT_NS_INTERNAL ERR_PTR(-EINVAL) /* distinct from any mnt_namespace */ diff --git a/fs/namei.c b/fs/namei.c index 88fd38d1e3e7..ddb6a7c2b3d4 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -524,7 +524,7 @@ struct nameidata { struct inode *link_inode; unsigned root_seq; int dfd; -}; +} __randomize_layout; static void set_nameidata(struct nameidata *p, int dfd, struct filename *name) { diff --git a/fs/nfs/client.c b/fs/nfs/client.c index ee5ddbd36088..efebe6cf4378 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -820,6 +820,7 @@ void nfs_server_copy_userdata(struct nfs_server *target, struct nfs_server *sour target->caps = source->caps; target->options = source->options; target->auth_info = source->auth_info; + target->port = source->port; } EXPORT_SYMBOL_GPL(nfs_server_copy_userdata); diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 5ac484fe0dee..3522b1249019 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -2372,16 +2372,40 @@ void nfs_access_add_cache(struct inode *inode, struct nfs_access_entry *set) } EXPORT_SYMBOL_GPL(nfs_access_add_cache); +#define NFS_MAY_READ (NFS4_ACCESS_READ) +#define NFS_MAY_WRITE (NFS4_ACCESS_MODIFY | \ + NFS4_ACCESS_EXTEND | \ + NFS4_ACCESS_DELETE) +#define NFS_FILE_MAY_WRITE (NFS4_ACCESS_MODIFY | \ + NFS4_ACCESS_EXTEND) +#define NFS_DIR_MAY_WRITE NFS_MAY_WRITE +#define NFS_MAY_LOOKUP (NFS4_ACCESS_LOOKUP) +#define NFS_MAY_EXECUTE (NFS4_ACCESS_EXECUTE) +static int +nfs_access_calc_mask(u32 access_result, umode_t umode) +{ + int mask = 0; + + if (access_result & NFS_MAY_READ) + mask |= MAY_READ; + if (S_ISDIR(umode)) { + if ((access_result & NFS_DIR_MAY_WRITE) == NFS_DIR_MAY_WRITE) + mask |= MAY_WRITE; + if ((access_result & NFS_MAY_LOOKUP) == NFS_MAY_LOOKUP) + mask |= MAY_EXEC; + } else if (S_ISREG(umode)) { + if ((access_result & NFS_FILE_MAY_WRITE) == NFS_FILE_MAY_WRITE) + mask |= MAY_WRITE; + if ((access_result & NFS_MAY_EXECUTE) == NFS_MAY_EXECUTE) + mask |= MAY_EXEC; + } else if (access_result & NFS_MAY_WRITE) + mask |= MAY_WRITE; + return mask; +} + void nfs_access_set_mask(struct nfs_access_entry *entry, u32 access_result) { - entry->mask = 0; - if (access_result & NFS4_ACCESS_READ) - entry->mask |= MAY_READ; - if (access_result & - (NFS4_ACCESS_MODIFY | NFS4_ACCESS_EXTEND | NFS4_ACCESS_DELETE)) - entry->mask |= MAY_WRITE; - if (access_result & (NFS4_ACCESS_LOOKUP|NFS4_ACCESS_EXECUTE)) - entry->mask |= MAY_EXEC; + entry->mask = access_result; } EXPORT_SYMBOL_GPL(nfs_access_set_mask); @@ -2389,6 +2413,7 @@ static int nfs_do_access(struct inode *inode, struct rpc_cred *cred, int mask) { struct nfs_access_entry cache; bool may_block = (mask & MAY_NOT_BLOCK) == 0; + int cache_mask; int status; trace_nfs_access_enter(inode); @@ -2404,7 +2429,8 @@ static int nfs_do_access(struct inode *inode, struct rpc_cred *cred, int mask) goto out; /* Be clever: ask server to check for all possible rights */ - cache.mask = MAY_EXEC | MAY_WRITE | MAY_READ; + cache.mask = NFS_MAY_LOOKUP | NFS_MAY_EXECUTE + | NFS_MAY_WRITE | NFS_MAY_READ; cache.cred = cred; cache.jiffies = jiffies; status = NFS_PROTO(inode)->access(inode, &cache); @@ -2418,7 +2444,8 @@ static int nfs_do_access(struct inode *inode, struct rpc_cred *cred, int mask) } nfs_access_add_cache(inode, &cache); out_cached: - if ((mask & ~cache.mask & (MAY_READ | MAY_WRITE | MAY_EXEC)) != 0) + cache_mask = nfs_access_calc_mask(cache.mask, inode->i_mode); + if ((mask & ~cache_mask & (MAY_READ | MAY_WRITE | MAY_EXEC)) != 0) status = -EACCES; out: trace_nfs_access_exit(inode, status); diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c index 080fc6b278bd..44c638b7876c 100644 --- a/fs/nfs/filelayout/filelayout.c +++ b/fs/nfs/filelayout/filelayout.c @@ -542,6 +542,10 @@ filelayout_check_deviceid(struct pnfs_layout_hdr *lo, struct nfs4_file_layout_dsaddr *dsaddr; int status = -EINVAL; + /* Is the deviceid already set? If so, we're good. */ + if (fl->dsaddr != NULL) + return 0; + /* find and reference the deviceid */ d = nfs4_find_get_deviceid(NFS_SERVER(lo->plh_inode), &fl->deviceid, lo->plh_lc_cred, gfp_flags); @@ -553,8 +557,6 @@ filelayout_check_deviceid(struct pnfs_layout_hdr *lo, if (filelayout_test_devid_unavailable(&dsaddr->id_node)) goto out_put; - fl->dsaddr = dsaddr; - if (fl->first_stripe_index >= dsaddr->stripe_count) { dprintk("%s Bad first_stripe_index %u\n", __func__, fl->first_stripe_index); @@ -570,6 +572,13 @@ filelayout_check_deviceid(struct pnfs_layout_hdr *lo, goto out_put; } status = 0; + + /* + * Atomic compare and xchange to ensure we don't scribble + * over a non-NULL pointer. + */ + if (cmpxchg(&fl->dsaddr, NULL, dsaddr) != NULL) + goto out_put; out: return status; out_put: diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c index 1f2ac3dd0fe5..b0fa83a60754 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.c +++ b/fs/nfs/flexfilelayout/flexfilelayout.c @@ -1842,6 +1842,10 @@ static int ff_layout_initiate_commit(struct nfs_commit_data *data, int how) int vers, ret; struct nfs_fh *fh; + if (!lseg || !(pnfs_is_valid_lseg(lseg) || + test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags))) + goto out_err; + idx = calc_ds_index_from_commit(lseg, data->ds_commit_index); ds = nfs4_ff_layout_prepare_ds(lseg, idx, true); if (!ds) diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c index 3efe946672be..60bad882c123 100644 --- a/fs/nfs/mount_clnt.c +++ b/fs/nfs/mount_clnt.c @@ -512,7 +512,7 @@ static const struct rpc_version mnt_version1 = { .counts = mnt_counts, }; -static unsigned int mnt3_counts[ARRAY_SIZE(mnt_procedures)]; +static unsigned int mnt3_counts[ARRAY_SIZE(mnt3_procedures)]; static const struct rpc_version mnt_version3 = { .number = 3, .nrprocs = ARRAY_SIZE(mnt3_procedures), diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c index df4a7d3ab915..d1e87ec0df84 100644 --- a/fs/nfs/nfs3proc.c +++ b/fs/nfs/nfs3proc.c @@ -220,15 +220,8 @@ static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry) status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); nfs_refresh_inode(inode, res.fattr); - if (status == 0) { - entry->mask = 0; - if (res.access & NFS3_ACCESS_READ) - entry->mask |= MAY_READ; - if (res.access & (NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE)) - entry->mask |= MAY_WRITE; - if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE)) - entry->mask |= MAY_EXEC; - } + if (status == 0) + nfs_access_set_mask(entry, res.access); nfs_free_fattr(res.fattr); out: dprintk("NFS reply access: %d\n", status); diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c index d40755a0984b..25f28fa64c57 100644 --- a/fs/nfs/pnfs_nfs.c +++ b/fs/nfs/pnfs_nfs.c @@ -159,13 +159,18 @@ void pnfs_generic_recover_commit_reqs(struct list_head *dst, { struct pnfs_commit_bucket *b; struct pnfs_layout_segment *freeme; + int nwritten; int i; lockdep_assert_held(&cinfo->inode->i_lock); restart: for (i = 0, b = cinfo->ds->buckets; i < cinfo->ds->nbuckets; i++, b++) { - if (pnfs_generic_transfer_commit_list(&b->written, dst, - cinfo, 0)) { + nwritten = pnfs_generic_transfer_commit_list(&b->written, + dst, cinfo, 0); + if (!nwritten) + continue; + cinfo->ds->nwritten -= nwritten; + if (list_empty(&b->written)) { freeme = b->wlseg; b->wlseg = NULL; spin_unlock(&cinfo->inode->i_lock); @@ -174,7 +179,6 @@ restart: goto restart; } } - cinfo->ds->nwritten = 0; } EXPORT_SYMBOL_GPL(pnfs_generic_recover_commit_reqs); @@ -183,6 +187,7 @@ static void pnfs_generic_retry_commit(struct nfs_commit_info *cinfo, int idx) struct pnfs_ds_commit_info *fl_cinfo = cinfo->ds; struct pnfs_commit_bucket *bucket; struct pnfs_layout_segment *freeme; + struct list_head *pos; LIST_HEAD(pages); int i; @@ -193,6 +198,8 @@ static void pnfs_generic_retry_commit(struct nfs_commit_info *cinfo, int idx) continue; freeme = bucket->clseg; bucket->clseg = NULL; + list_for_each(pos, &bucket->committing) + cinfo->ds->ncommitting--; list_splice_init(&bucket->committing, &pages); spin_unlock(&cinfo->inode->i_lock); nfs_retry_commit(&pages, freeme, cinfo, i); @@ -217,13 +224,6 @@ pnfs_generic_alloc_ds_commits(struct nfs_commit_info *cinfo, for (i = 0; i < fl_cinfo->nbuckets; i++, bucket++) { if (list_empty(&bucket->committing)) continue; - /* - * If the layout segment is invalid, then let - * pnfs_generic_retry_commit() clean up the bucket. - */ - if (bucket->clseg && !pnfs_is_valid_lseg(bucket->clseg) && - !test_bit(NFS_LSEG_LAYOUTRETURN, &bucket->clseg->pls_flags)) - break; data = nfs_commitdata_alloc(false); if (!data) break; @@ -243,9 +243,12 @@ void pnfs_fetch_commit_bucket_list(struct list_head *pages, struct nfs_commit_info *cinfo) { struct pnfs_commit_bucket *bucket; + struct list_head *pos; bucket = &cinfo->ds->buckets[data->ds_commit_index]; spin_lock(&cinfo->inode->i_lock); + list_for_each(pos, &bucket->committing) + cinfo->ds->ncommitting--; list_splice_init(&bucket->committing, pages); data->lseg = bucket->clseg; bucket->clseg = NULL; @@ -330,7 +333,6 @@ pnfs_generic_commit_pagelist(struct inode *inode, struct list_head *mds_pages, } } out: - cinfo->ds->ncommitting = 0; return PNFS_ATTEMPTED; } EXPORT_SYMBOL_GPL(pnfs_generic_commit_pagelist); diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c index b45083c0f9ae..49b0a9e7ff18 100644 --- a/fs/nfsd/nfs4callback.c +++ b/fs/nfsd/nfs4callback.c @@ -720,8 +720,8 @@ static const struct rpc_version nfs_cb_version4 = { .counts = nfs4_cb_counts, }; -static const struct rpc_version *nfs_cb_version[] = { - &nfs_cb_version4, +static const struct rpc_version *nfs_cb_version[2] = { + [1] = &nfs_cb_version4, }; static const struct rpc_program cb_program; @@ -795,7 +795,7 @@ static int setup_callback_client(struct nfs4_client *clp, struct nfs4_cb_conn *c .saddress = (struct sockaddr *) &conn->cb_saddr, .timeout = &timeparms, .program = &cb_program, - .version = 0, + .version = 1, .flags = (RPC_CLNT_CREATE_NOPING | RPC_CLNT_CREATE_QUIET), }; struct rpc_clnt *client; diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c index 641d9ee97f91..48b70e6490f3 100644 --- a/fs/overlayfs/dir.c +++ b/fs/overlayfs/dir.c @@ -481,17 +481,30 @@ out_cleanup: } static int ovl_create_or_link(struct dentry *dentry, struct inode *inode, - struct cattr *attr, struct dentry *hardlink) + struct cattr *attr, struct dentry *hardlink, + bool origin) { int err; const struct cred *old_cred; struct cred *override_cred; + struct dentry *parent = dentry->d_parent; - err = ovl_copy_up(dentry->d_parent); + err = ovl_copy_up(parent); if (err) return err; old_cred = ovl_override_creds(dentry->d_sb); + + /* + * When linking a file with copy up origin into a new parent, mark the + * new parent dir "impure". + */ + if (origin) { + err = ovl_set_impure(parent, ovl_dentry_upper(parent)); + if (err) + goto out_revert_creds; + } + err = -ENOMEM; override_cred = prepare_creds(); if (override_cred) { @@ -550,7 +563,7 @@ static int ovl_create_object(struct dentry *dentry, int mode, dev_t rdev, inode_init_owner(inode, dentry->d_parent->d_inode, mode); attr.mode = inode->i_mode; - err = ovl_create_or_link(dentry, inode, &attr, NULL); + err = ovl_create_or_link(dentry, inode, &attr, NULL, false); if (err) iput(inode); @@ -609,7 +622,8 @@ static int ovl_link(struct dentry *old, struct inode *newdir, inode = d_inode(old); ihold(inode); - err = ovl_create_or_link(new, inode, NULL, ovl_dentry_upper(old)); + err = ovl_create_or_link(new, inode, NULL, ovl_dentry_upper(old), + ovl_type_origin(old)); if (err) iput(inode); diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index 69f4fc26ee39..5bc71642b226 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -202,37 +202,38 @@ bool ovl_is_private_xattr(const char *name) sizeof(OVL_XATTR_PREFIX) - 1) == 0; } -int ovl_xattr_set(struct dentry *dentry, const char *name, const void *value, - size_t size, int flags) +int ovl_xattr_set(struct dentry *dentry, struct inode *inode, const char *name, + const void *value, size_t size, int flags) { int err; - struct path realpath; - enum ovl_path_type type = ovl_path_real(dentry, &realpath); + struct dentry *upperdentry = ovl_i_dentry_upper(inode); + struct dentry *realdentry = upperdentry ?: ovl_dentry_lower(dentry); const struct cred *old_cred; err = ovl_want_write(dentry); if (err) goto out; - if (!value && !OVL_TYPE_UPPER(type)) { - err = vfs_getxattr(realpath.dentry, name, NULL, 0); + if (!value && !upperdentry) { + err = vfs_getxattr(realdentry, name, NULL, 0); if (err < 0) goto out_drop_write; } - err = ovl_copy_up(dentry); - if (err) - goto out_drop_write; + if (!upperdentry) { + err = ovl_copy_up(dentry); + if (err) + goto out_drop_write; - if (!OVL_TYPE_UPPER(type)) - ovl_path_upper(dentry, &realpath); + realdentry = ovl_dentry_upper(dentry); + } old_cred = ovl_override_creds(dentry->d_sb); if (value) - err = vfs_setxattr(realpath.dentry, name, value, size, flags); + err = vfs_setxattr(realdentry, name, value, size, flags); else { WARN_ON(flags != XATTR_REPLACE); - err = vfs_removexattr(realpath.dentry, name); + err = vfs_removexattr(realdentry, name); } revert_creds(old_cred); @@ -242,12 +243,13 @@ out: return err; } -int ovl_xattr_get(struct dentry *dentry, const char *name, +int ovl_xattr_get(struct dentry *dentry, struct inode *inode, const char *name, void *value, size_t size) { - struct dentry *realdentry = ovl_dentry_real(dentry); ssize_t res; const struct cred *old_cred; + struct dentry *realdentry = + ovl_i_dentry_upper(inode) ?: ovl_dentry_lower(dentry); old_cred = ovl_override_creds(dentry->d_sb); res = vfs_getxattr(realdentry, name, value, size); diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c index 9bc0e580a5b3..8aef2b304b2d 100644 --- a/fs/overlayfs/namei.c +++ b/fs/overlayfs/namei.c @@ -397,8 +397,19 @@ int ovl_verify_index(struct dentry *index, struct path *lowerstack, if (!d_inode(index)) return 0; - err = -EISDIR; - if (d_is_dir(index)) + /* + * Directory index entries are going to be used for looking up + * redirected upper dirs by lower dir fh when decoding an overlay + * file handle of a merge dir. Whiteout index entries are going to be + * used as an indication that an exported overlay file handle should + * be treated as stale (i.e. after unlink of the overlay inode). + * We don't know the verification rules for directory and whiteout + * index entries, because they have not been implemented yet, so return + * EROFS if those entries are found to avoid corrupting an index that + * was created by a newer kernel. + */ + err = -EROFS; + if (d_is_dir(index) || ovl_is_whiteout(index)) goto fail; err = -EINVAL; @@ -436,8 +447,8 @@ out: return err; fail: - pr_warn_ratelimited("overlayfs: failed to verify index (%pd2, err=%i)\n", - index, err); + pr_warn_ratelimited("overlayfs: failed to verify index (%pd2, ftype=%x, err=%i)\n", + index, d_inode(index)->i_mode & S_IFMT, err); goto out; } @@ -502,6 +513,7 @@ static struct dentry *ovl_lookup_index(struct dentry *dentry, goto out; } + inode = d_inode(index); if (d_is_negative(index)) { if (upper && d_inode(origin)->i_nlink > 1) { pr_warn_ratelimited("overlayfs: hard link with origin but no index (ino=%lu).\n", @@ -511,11 +523,22 @@ static struct dentry *ovl_lookup_index(struct dentry *dentry, dput(index); index = NULL; - } else if (upper && d_inode(index) != d_inode(upper)) { - inode = d_inode(index); - pr_warn_ratelimited("overlayfs: wrong index found (index ino: %lu, upper ino: %lu).\n", - d_inode(index)->i_ino, - d_inode(upper)->i_ino); + } else if (upper && d_inode(upper) != inode) { + pr_warn_ratelimited("overlayfs: wrong index found (index=%pd2, ino=%lu, upper ino=%lu).\n", + index, inode->i_ino, d_inode(upper)->i_ino); + goto fail; + } else if (ovl_dentry_weird(index) || ovl_is_whiteout(index) || + ((inode->i_mode ^ d_inode(origin)->i_mode) & S_IFMT)) { + /* + * Index should always be of the same file type as origin + * except for the case of a whiteout index. A whiteout + * index should only exist if all lower aliases have been + * unlinked, which means that finding a lower origin on lookup + * whose index is a whiteout should be treated as an error. + */ + pr_warn_ratelimited("overlayfs: bad index found (index=%pd2, ftype=%x, origin ftype=%x).\n", + index, d_inode(index)->i_mode & S_IFMT, + d_inode(origin)->i_mode & S_IFMT); goto fail; } diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index 60d26605e039..e927a62c97ae 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -47,7 +47,8 @@ enum ovl_flag { /* Is the real inode encoded in fid an upper inode? */ #define OVL_FH_FLAG_PATH_UPPER (1 << 2) -#define OVL_FH_FLAG_ALL (OVL_FH_FLAG_BIG_ENDIAN | OVL_FH_FLAG_ANY_ENDIAN) +#define OVL_FH_FLAG_ALL (OVL_FH_FLAG_BIG_ENDIAN | OVL_FH_FLAG_ANY_ENDIAN | \ + OVL_FH_FLAG_PATH_UPPER) #if defined(__LITTLE_ENDIAN) #define OVL_FH_FLAG_CPU_ENDIAN 0 @@ -199,6 +200,7 @@ enum ovl_path_type ovl_path_real(struct dentry *dentry, struct path *path); struct dentry *ovl_dentry_upper(struct dentry *dentry); struct dentry *ovl_dentry_lower(struct dentry *dentry); struct dentry *ovl_dentry_real(struct dentry *dentry); +struct dentry *ovl_i_dentry_upper(struct inode *inode); struct inode *ovl_inode_upper(struct inode *inode); struct inode *ovl_inode_lower(struct inode *inode); struct inode *ovl_inode_real(struct inode *inode); @@ -270,9 +272,9 @@ int ovl_setattr(struct dentry *dentry, struct iattr *attr); int ovl_getattr(const struct path *path, struct kstat *stat, u32 request_mask, unsigned int flags); int ovl_permission(struct inode *inode, int mask); -int ovl_xattr_set(struct dentry *dentry, const char *name, const void *value, - size_t size, int flags); -int ovl_xattr_get(struct dentry *dentry, const char *name, +int ovl_xattr_set(struct dentry *dentry, struct inode *inode, const char *name, + const void *value, size_t size, int flags); +int ovl_xattr_get(struct dentry *dentry, struct inode *inode, const char *name, void *value, size_t size); ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size); struct posix_acl *ovl_get_acl(struct inode *inode, int type); diff --git a/fs/overlayfs/readdir.c b/fs/overlayfs/readdir.c index 0298463cf9c3..3d424a51cabb 100644 --- a/fs/overlayfs/readdir.c +++ b/fs/overlayfs/readdir.c @@ -703,7 +703,10 @@ int ovl_indexdir_cleanup(struct dentry *dentry, struct vfsmount *mnt, err = PTR_ERR(index); break; } - if (ovl_verify_index(index, lowerstack, numlower)) { + err = ovl_verify_index(index, lowerstack, numlower); + if (err) { + if (err == -EROFS) + break; err = ovl_cleanup(dir, index); if (err) break; diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 44dc2d6ffe0f..d86e89f97201 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -692,7 +692,7 @@ ovl_posix_acl_xattr_get(const struct xattr_handler *handler, struct dentry *dentry, struct inode *inode, const char *name, void *buffer, size_t size) { - return ovl_xattr_get(dentry, handler->name, buffer, size); + return ovl_xattr_get(dentry, inode, handler->name, buffer, size); } static int __maybe_unused @@ -742,7 +742,7 @@ ovl_posix_acl_xattr_set(const struct xattr_handler *handler, return err; } - err = ovl_xattr_set(dentry, handler->name, value, size, flags); + err = ovl_xattr_set(dentry, inode, handler->name, value, size, flags); if (!err) ovl_copyattr(ovl_inode_real(inode), inode); @@ -772,7 +772,7 @@ static int ovl_other_xattr_get(const struct xattr_handler *handler, struct dentry *dentry, struct inode *inode, const char *name, void *buffer, size_t size) { - return ovl_xattr_get(dentry, name, buffer, size); + return ovl_xattr_get(dentry, inode, name, buffer, size); } static int ovl_other_xattr_set(const struct xattr_handler *handler, @@ -780,7 +780,7 @@ static int ovl_other_xattr_set(const struct xattr_handler *handler, const char *name, const void *value, size_t size, int flags) { - return ovl_xattr_set(dentry, name, value, size, flags); + return ovl_xattr_set(dentry, inode, name, value, size, flags); } static const struct xattr_handler __maybe_unused @@ -1058,10 +1058,6 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) ufs->indexdir = ovl_workdir_create(sb, ufs, workpath.dentry, OVL_INDEXDIR_NAME, true); - err = PTR_ERR(ufs->indexdir); - if (IS_ERR(ufs->indexdir)) - goto out_put_lower_mnt; - if (ufs->indexdir) { /* Verify upper root is index dir origin */ err = ovl_verify_origin(ufs->indexdir, ufs->upper_mnt, @@ -1090,6 +1086,7 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) else sb->s_d_op = &ovl_dentry_operations; + err = -ENOMEM; ufs->creator_cred = cred = prepare_creds(); if (!cred) goto out_put_indexdir; diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c index c492ba75c659..f46ad75dc96a 100644 --- a/fs/overlayfs/util.c +++ b/fs/overlayfs/util.c @@ -157,9 +157,14 @@ struct dentry *ovl_dentry_real(struct dentry *dentry) return ovl_dentry_upper(dentry) ?: ovl_dentry_lower(dentry); } +struct dentry *ovl_i_dentry_upper(struct inode *inode) +{ + return ovl_upperdentry_dereference(OVL_I(inode)); +} + struct inode *ovl_inode_upper(struct inode *inode) { - struct dentry *upperdentry = ovl_upperdentry_dereference(OVL_I(inode)); + struct dentry *upperdentry = ovl_i_dentry_upper(inode); return upperdentry ? d_inode(upperdentry) : NULL; } diff --git a/fs/proc/internal.h b/fs/proc/internal.h index 18694598bebf..aa2b89071630 100644 --- a/fs/proc/internal.h +++ b/fs/proc/internal.h @@ -51,7 +51,7 @@ struct proc_dir_entry { spinlock_t pde_unload_lock; /* proc_fops checks and pde_users bumps */ u8 namelen; char name[]; -}; +} __randomize_layout; union proc_op { int (*proc_get_link)(struct dentry *, struct path *); @@ -70,7 +70,7 @@ struct proc_inode { struct hlist_node sysctl_inodes; const struct proc_ns_operations *ns_ops; struct inode vfs_inode; -}; +} __randomize_layout; /* * General functions @@ -279,7 +279,7 @@ struct proc_maps_private { #ifdef CONFIG_NUMA struct mempolicy *task_mempolicy; #endif -}; +} __randomize_layout; struct mm_struct *proc_mem_open(struct inode *inode, unsigned int mode); diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c index 3d2256a425ee..54415f0e3d18 100644 --- a/fs/reiserfs/xattr_acl.c +++ b/fs/reiserfs/xattr_acl.c @@ -23,7 +23,8 @@ reiserfs_set_acl(struct inode *inode, struct posix_acl *acl, int type) struct reiserfs_transaction_handle th; size_t jcreate_blocks; int size = acl ? posix_acl_xattr_size(acl->a_count) : 0; - + int update_mode = 0; + umode_t mode = inode->i_mode; /* * Pessimism: We can't assume that anything from the xattr root up @@ -37,7 +38,16 @@ reiserfs_set_acl(struct inode *inode, struct posix_acl *acl, int type) error = journal_begin(&th, inode->i_sb, jcreate_blocks); reiserfs_write_unlock(inode->i_sb); if (error == 0) { + if (type == ACL_TYPE_ACCESS && acl) { + error = posix_acl_update_mode(inode, &mode, &acl); + if (error) + goto unlock; + update_mode = 1; + } error = __reiserfs_set_acl(&th, inode, type, acl); + if (!error && update_mode) + inode->i_mode = mode; +unlock: reiserfs_write_lock(inode->i_sb); error2 = journal_end(&th); reiserfs_write_unlock(inode->i_sb); @@ -241,11 +251,6 @@ __reiserfs_set_acl(struct reiserfs_transaction_handle *th, struct inode *inode, switch (type) { case ACL_TYPE_ACCESS: name = XATTR_NAME_POSIX_ACL_ACCESS; - if (acl) { - error = posix_acl_update_mode(inode, &inode->i_mode, &acl); - if (error) - return error; - } break; case ACL_TYPE_DEFAULT: name = XATTR_NAME_POSIX_ACL_DEFAULT; diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h index 05488da3aee9..3ae9013eeaaa 100644 --- a/include/linux/binfmts.h +++ b/include/linux/binfmts.h @@ -46,7 +46,7 @@ struct linux_binprm { unsigned interp_flags; unsigned interp_data; unsigned long loader, exec; -}; +} __randomize_layout; #define BINPRM_FLAGS_ENFORCE_NONDUMP_BIT 0 #define BINPRM_FLAGS_ENFORCE_NONDUMP (1 << BINPRM_FLAGS_ENFORCE_NONDUMP_BIT) @@ -81,7 +81,7 @@ struct linux_binfmt { int (*load_shlib)(struct file *); int (*core_dump)(struct coredump_params *cprm); unsigned long min_coredump; /* minimal dump size */ -}; +} __randomize_layout; extern void __register_binfmt(struct linux_binfmt *fmt, int insert); diff --git a/include/linux/bpf-cgroup.h b/include/linux/bpf-cgroup.h index 360c082e885c..d41d40ac3efd 100644 --- a/include/linux/bpf-cgroup.h +++ b/include/linux/bpf-cgroup.h @@ -85,7 +85,7 @@ int __cgroup_bpf_run_filter_sock_ops(struct sock *sk, int __ret = 0; \ if (cgroup_bpf_enabled && (sock_ops)->sk) { \ typeof(sk) __sk = sk_to_full_sk((sock_ops)->sk); \ - if (sk_fullsock(__sk)) \ + if (__sk && sk_fullsock(__sk)) \ __ret = __cgroup_bpf_run_filter_sock_ops(__sk, \ sock_ops, \ BPF_CGROUP_SOCK_OPS); \ diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h index 621076f56251..8e5d31f6faef 100644 --- a/include/linux/bpf_verifier.h +++ b/include/linux/bpf_verifier.h @@ -43,6 +43,7 @@ struct bpf_reg_state { u32 min_align; u32 aux_off; u32 aux_off_align; + bool value_from_signed; }; enum bpf_stack_slot_type { diff --git a/include/linux/cdev.h b/include/linux/cdev.h index 408bc09ce497..cb28eb21e3ca 100644 --- a/include/linux/cdev.h +++ b/include/linux/cdev.h @@ -17,7 +17,7 @@ struct cdev { struct list_head list; dev_t dev; unsigned int count; -}; +} __randomize_layout; void cdev_init(struct cdev *, const struct file_operations *); diff --git a/include/linux/ceph/ceph_features.h b/include/linux/ceph/ceph_features.h index f0f6c537b64c..040dd105c3e7 100644 --- a/include/linux/ceph/ceph_features.h +++ b/include/linux/ceph/ceph_features.h @@ -10,14 +10,14 @@ #define CEPH_FEATURE_INCARNATION_2 (1ull<<57) // CEPH_FEATURE_SERVER_JEWEL #define DEFINE_CEPH_FEATURE(bit, incarnation, name) \ - const static uint64_t CEPH_FEATURE_##name = (1ULL<<bit); \ - const static uint64_t CEPH_FEATUREMASK_##name = \ + static const uint64_t CEPH_FEATURE_##name = (1ULL<<bit); \ + static const uint64_t CEPH_FEATUREMASK_##name = \ (1ULL<<bit | CEPH_FEATURE_INCARNATION_##incarnation); /* this bit is ignored but still advertised by release *when* */ #define DEFINE_CEPH_FEATURE_DEPRECATED(bit, incarnation, name, when) \ - const static uint64_t DEPRECATED_CEPH_FEATURE_##name = (1ULL<<bit); \ - const static uint64_t DEPRECATED_CEPH_FEATUREMASK_##name = \ + static const uint64_t DEPRECATED_CEPH_FEATURE_##name = (1ULL<<bit); \ + static const uint64_t DEPRECATED_CEPH_FEATUREMASK_##name = \ (1ULL<<bit | CEPH_FEATURE_INCARNATION_##incarnation); /* diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index cd4bbe8242bd..bdb80c4aef6e 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -235,6 +235,7 @@ #endif /* GCC_VERSION >= 40500 */ #if GCC_VERSION >= 40600 + /* * When used with Link Time Optimization, gcc can optimize away C functions or * variables which are referenced only from assembly code. __visible tells the @@ -242,7 +243,17 @@ * this. */ #define __visible __attribute__((externally_visible)) -#endif + +/* + * RANDSTRUCT_PLUGIN wants to use an anonymous struct, but it is only + * possible since GCC 4.6. To provide as much build testing coverage + * as possible, this is used for all GCC 4.6+ builds, and not just on + * RANDSTRUCT_PLUGIN builds. + */ +#define randomized_struct_fields_start struct { +#define randomized_struct_fields_end } __randomize_layout; + +#endif /* GCC_VERSION >= 40600 */ #if GCC_VERSION >= 40900 && !defined(__CHECKER__) diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 219f82f3ec1a..eca8ad75e28b 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -452,6 +452,11 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s # define __no_randomize_layout #endif +#ifndef randomized_struct_fields_start +# define randomized_struct_fields_start +# define randomized_struct_fields_end +#endif + /* * Tell gcc if a function is cold. The compiler will assume any path * directly leading to the call is unlikely. diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index b56573bf440d..1bc7dcfbf7b3 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -139,6 +139,9 @@ enum cpuhp_state { CPUHP_AP_PERF_ARM_L2X0_ONLINE, CPUHP_AP_PERF_ARM_QCOM_L2_ONLINE, CPUHP_AP_PERF_ARM_QCOM_L3_ONLINE, + CPUHP_AP_PERF_POWERPC_NEST_IMC_ONLINE, + CPUHP_AP_PERF_POWERPC_CORE_IMC_ONLINE, + CPUHP_AP_PERF_POWERPC_THREAD_IMC_ONLINE, CPUHP_AP_WORKQUEUE_ONLINE, CPUHP_AP_RCUTREE_ONLINE, CPUHP_AP_ONLINE_DYN, diff --git a/include/linux/cred.h b/include/linux/cred.h index c728d515e5e2..099058e1178b 100644 --- a/include/linux/cred.h +++ b/include/linux/cred.h @@ -31,7 +31,7 @@ struct group_info { atomic_t usage; int ngroups; kgid_t gid[0]; -}; +} __randomize_layout; /** * get_group_info - Get a reference to a group info structure @@ -145,7 +145,7 @@ struct cred { struct user_namespace *user_ns; /* user_ns the caps and keyrings are relative to. */ struct group_info *group_info; /* supplementary groups for euid/fsgid */ struct rcu_head rcu; /* RCU deletion hook */ -}; +} __randomize_layout; extern void __put_cred(struct cred *); extern void exit_creds(struct task_struct *); diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 3f3ff4ccdc3f..aae1cdb76851 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -118,7 +118,7 @@ struct dentry { struct hlist_bl_node d_in_lookup_hash; /* only for in-lookup ones */ struct rcu_head d_rcu; } d_u; -}; +} __randomize_layout; /* * dentry->d_lock spinlock nesting subclasses: diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h index a5195a7d6f77..0a186c4f3981 100644 --- a/include/linux/dma-fence.h +++ b/include/linux/dma-fence.h @@ -55,6 +55,7 @@ struct dma_fence_cb; * of the time. * * DMA_FENCE_FLAG_SIGNALED_BIT - fence is already signaled + * DMA_FENCE_FLAG_TIMESTAMP_BIT - timestamp recorded for fence signaling * DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT - enable_signaling might have been called * DMA_FENCE_FLAG_USER_BITS - start of the unused bits, can be used by the * implementer of the fence for its own purposes. Can be used in different @@ -84,6 +85,7 @@ struct dma_fence { enum dma_fence_flag_bits { DMA_FENCE_FLAG_SIGNALED_BIT, + DMA_FENCE_FLAG_TIMESTAMP_BIT, DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT, DMA_FENCE_FLAG_USER_BITS, /* must always be last member */ }; diff --git a/include/linux/fs.h b/include/linux/fs.h index 7b5d6816542b..6e1fd5d21248 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -296,7 +296,7 @@ struct kiocb { void *private; int ki_flags; enum rw_hint ki_hint; -}; +} __randomize_layout; static inline bool is_sync_kiocb(struct kiocb *kiocb) { @@ -404,7 +404,7 @@ struct address_space { struct list_head private_list; /* ditto */ void *private_data; /* ditto */ errseq_t wb_err; -} __attribute__((aligned(sizeof(long)))); +} __attribute__((aligned(sizeof(long)))) __randomize_layout; /* * On most architectures that alignment is already the case; but * must be enforced here for CRIS, to let the least significant bit @@ -447,7 +447,7 @@ struct block_device { int bd_fsfreeze_count; /* Mutex for freeze */ struct mutex bd_fsfreeze_mutex; -}; +} __randomize_layout; /* * Radix-tree tags, for tagging dirty and writeback pages within the pagecache @@ -666,7 +666,7 @@ struct inode { #endif void *i_private; /* fs or device private pointer */ -}; +} __randomize_layout; static inline unsigned int i_blocksize(const struct inode *node) { @@ -883,7 +883,8 @@ struct file { #endif /* #ifdef CONFIG_EPOLL */ struct address_space *f_mapping; errseq_t f_wb_err; -} __attribute__((aligned(4))); /* lest something weird decides that 2 is OK */ +} __randomize_layout + __attribute__((aligned(4))); /* lest something weird decides that 2 is OK */ struct file_handle { __u32 handle_bytes; @@ -1020,7 +1021,7 @@ struct file_lock { int state; /* state of grant or error if -ve */ } afs; } fl_u; -}; +} __randomize_layout; struct file_lock_context { spinlock_t flc_lock; @@ -1412,7 +1413,7 @@ struct super_block { spinlock_t s_inode_wblist_lock; struct list_head s_inodes_wb; /* writeback inodes */ -}; +} __randomize_layout; /* Helper functions so that in most cases filesystems will * not need to deal directly with kuid_t and kgid_t and can @@ -1698,7 +1699,7 @@ struct file_operations { u64); ssize_t (*dedupe_file_range)(struct file *, u64, u64, struct file *, u64); -}; +} __randomize_layout; struct inode_operations { struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int); diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h index 0efc3e62843a..7a026240cbb1 100644 --- a/include/linux/fs_struct.h +++ b/include/linux/fs_struct.h @@ -12,7 +12,7 @@ struct fs_struct { int umask; int in_exec; struct path root, pwd; -}; +} __randomize_layout; extern struct kmem_cache *fs_cachep; diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 5857390ac35a..6383115e9d2c 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -145,8 +145,8 @@ enum { #ifdef CONFIG_DYNAMIC_FTRACE /* The hash used to know what functions callbacks trace */ struct ftrace_ops_hash { - struct ftrace_hash *notrace_hash; - struct ftrace_hash *filter_hash; + struct ftrace_hash __rcu *notrace_hash; + struct ftrace_hash __rcu *filter_hash; struct mutex regex_lock; }; @@ -168,7 +168,7 @@ static inline void ftrace_free_init_mem(void) { } */ struct ftrace_ops { ftrace_func_t func; - struct ftrace_ops *next; + struct ftrace_ops __rcu *next; unsigned long flags; void *private; ftrace_func_t saved_func; diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 0ed8e41aaf11..8bbbd37ab105 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -358,6 +358,7 @@ int huge_add_to_page_cache(struct page *page, struct address_space *mapping, pgoff_t idx); /* arch callback */ +int __init __alloc_bootmem_huge_page(struct hstate *h); int __init alloc_bootmem_huge_page(struct hstate *h); void __init hugetlb_bad_size(void); diff --git a/include/linux/ipc.h b/include/linux/ipc.h index 5591f055e13f..fadd579d577d 100644 --- a/include/linux/ipc.h +++ b/include/linux/ipc.h @@ -23,6 +23,6 @@ struct kern_ipc_perm { struct rcu_head rcu; atomic_t refcount; -} ____cacheline_aligned_in_smp; +} ____cacheline_aligned_in_smp __randomize_layout; #endif /* _LINUX_IPC_H */ diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h index 848e5796400e..65327ee0936b 100644 --- a/include/linux/ipc_namespace.h +++ b/include/linux/ipc_namespace.h @@ -61,7 +61,7 @@ struct ipc_namespace { struct ucounts *ucounts; struct ns_common ns; -}; +} __randomize_layout; extern struct ipc_namespace init_ipc_ns; extern spinlock_t mq_lock; diff --git a/include/linux/jhash.h b/include/linux/jhash.h index 348c6f47e4cc..8037850f3104 100644 --- a/include/linux/jhash.h +++ b/include/linux/jhash.h @@ -85,19 +85,18 @@ static inline u32 jhash(const void *key, u32 length, u32 initval) k += 12; } /* Last block: affect all 32 bits of (c) */ - /* All the case statements fall through */ switch (length) { - case 12: c += (u32)k[11]<<24; - case 11: c += (u32)k[10]<<16; - case 10: c += (u32)k[9]<<8; - case 9: c += k[8]; - case 8: b += (u32)k[7]<<24; - case 7: b += (u32)k[6]<<16; - case 6: b += (u32)k[5]<<8; - case 5: b += k[4]; - case 4: a += (u32)k[3]<<24; - case 3: a += (u32)k[2]<<16; - case 2: a += (u32)k[1]<<8; + case 12: c += (u32)k[11]<<24; /* fall through */ + case 11: c += (u32)k[10]<<16; /* fall through */ + case 10: c += (u32)k[9]<<8; /* fall through */ + case 9: c += k[8]; /* fall through */ + case 8: b += (u32)k[7]<<24; /* fall through */ + case 7: b += (u32)k[6]<<16; /* fall through */ + case 6: b += (u32)k[5]<<8; /* fall through */ + case 5: b += k[4]; /* fall through */ + case 4: a += (u32)k[3]<<24; /* fall through */ + case 3: a += (u32)k[2]<<16; /* fall through */ + case 2: a += (u32)k[1]<<8; /* fall through */ case 1: a += k[0]; __jhash_final(a, b, c); case 0: /* Nothing left to add */ @@ -131,10 +130,10 @@ static inline u32 jhash2(const u32 *k, u32 length, u32 initval) k += 3; } - /* Handle the last 3 u32's: all the case statements fall through */ + /* Handle the last 3 u32's */ switch (length) { - case 3: c += k[2]; - case 2: b += k[1]; + case 3: c += k[2]; /* fall through */ + case 2: b += k[1]; /* fall through */ case 1: a += k[0]; __jhash_final(a, b, c); case 0: /* Nothing left to add */ diff --git a/include/linux/key-type.h b/include/linux/key-type.h index 8496cf64575c..9520fc3c3b9a 100644 --- a/include/linux/key-type.h +++ b/include/linux/key-type.h @@ -45,7 +45,7 @@ struct key_preparsed_payload { size_t datalen; /* Raw datalen */ size_t quotalen; /* Quota length for proposed payload */ time_t expiry; /* Expiry time of key */ -}; +} __randomize_layout; typedef int (*request_key_actor_t)(struct key_construction *key, const char *op, void *aux); @@ -158,7 +158,7 @@ struct key_type { /* internal fields */ struct list_head link; /* link in types list */ struct lock_class_key lock_class; /* key->sem lock class */ -}; +} __randomize_layout; extern struct key_type key_type_keyring; diff --git a/include/linux/kmod.h b/include/linux/kmod.h index c4e441e00db5..655082c88fd9 100644 --- a/include/linux/kmod.h +++ b/include/linux/kmod.h @@ -64,7 +64,7 @@ struct subprocess_info { int (*init)(struct subprocess_info *info, struct cred *new); void (*cleanup)(struct subprocess_info *info); void *data; -}; +} __randomize_layout; extern int call_usermodehelper(const char *path, char **argv, char **envp, int wait); diff --git a/include/linux/kobject.h b/include/linux/kobject.h index eeab34b0f589..4d800c79475a 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -172,7 +172,7 @@ struct kset { spinlock_t list_lock; struct kobject kobj; const struct kset_uevent_ops *uevent_ops; -}; +} __randomize_layout; extern void kset_init(struct kset *kset); extern int __must_check kset_register(struct kset *kset); diff --git a/include/linux/llist.h b/include/linux/llist.h index d11738110a7a..1957635e6d5f 100644 --- a/include/linux/llist.h +++ b/include/linux/llist.h @@ -93,6 +93,23 @@ static inline void init_llist_head(struct llist_head *list) container_of(ptr, type, member) /** + * member_address_is_nonnull - check whether the member address is not NULL + * @ptr: the object pointer (struct type * that contains the llist_node) + * @member: the name of the llist_node within the struct. + * + * This macro is conceptually the same as + * &ptr->member != NULL + * but it works around the fact that compilers can decide that taking a member + * address is never a NULL pointer. + * + * Real objects that start at a high address and have a member at NULL are + * unlikely to exist, but such pointers may be returned e.g. by the + * container_of() macro. + */ +#define member_address_is_nonnull(ptr, member) \ + ((uintptr_t)(ptr) + offsetof(typeof(*(ptr)), member) != 0) + +/** * llist_for_each - iterate over some deleted entries of a lock-less list * @pos: the &struct llist_node to use as a loop cursor * @node: the first entry of deleted list entries @@ -145,7 +162,7 @@ static inline void init_llist_head(struct llist_head *list) */ #define llist_for_each_entry(pos, node, member) \ for ((pos) = llist_entry((node), typeof(*(pos)), member); \ - &(pos)->member != NULL; \ + member_address_is_nonnull(pos, member); \ (pos) = llist_entry((pos)->member.next, typeof(*(pos)), member)) /** @@ -167,7 +184,7 @@ static inline void init_llist_head(struct llist_head *list) */ #define llist_for_each_entry_safe(pos, n, node, member) \ for (pos = llist_entry((node), typeof(*pos), member); \ - &pos->member != NULL && \ + member_address_is_nonnull(pos, member) && \ (n = llist_entry(pos->member.next, typeof(*n), member), true); \ pos = n) diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h index 7a86925ba8f3..3a90febadbe2 100644 --- a/include/linux/lsm_hooks.h +++ b/include/linux/lsm_hooks.h @@ -1912,7 +1912,7 @@ struct security_hook_heads { struct list_head audit_rule_match; struct list_head audit_rule_free; #endif /* CONFIG_AUDIT */ -}; +} __randomize_layout; /* * Security module hook list structure. @@ -1923,7 +1923,7 @@ struct security_hook_list { struct list_head *head; union security_list_options hook; char *lsm; -}; +} __randomize_layout; /* * Initializing a security_hook_list structure takes diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index d5bed0875d30..aad5d81dfb44 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -1068,7 +1068,7 @@ static inline int mlx4_is_eth(struct mlx4_dev *dev, int port) } int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct, - struct mlx4_buf *buf, gfp_t gfp); + struct mlx4_buf *buf); void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf); static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset) { @@ -1105,10 +1105,9 @@ int mlx4_mw_enable(struct mlx4_dev *dev, struct mlx4_mw *mw); int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt, int start_index, int npages, u64 *page_list); int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt, - struct mlx4_buf *buf, gfp_t gfp); + struct mlx4_buf *buf); -int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order, - gfp_t gfp); +int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order); void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db); int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres, @@ -1124,8 +1123,7 @@ int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base, u8 flags); void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt); -int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp, - gfp_t gfp); +int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp); void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp); int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, u32 cqn, u16 xrcdn, diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 45cdb27791a3..ff151814a02d 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -342,7 +342,7 @@ struct vm_area_struct { struct mempolicy *vm_policy; /* NUMA policy for the VMA */ #endif struct vm_userfaultfd_ctx vm_userfaultfd_ctx; -}; +} __randomize_layout; struct core_thread { struct task_struct *task; @@ -500,7 +500,7 @@ struct mm_struct { atomic_long_t hugetlb_usage; #endif struct work_struct async_put_work; -}; +} __randomize_layout; extern struct mm_struct init_mm; diff --git a/include/linux/module.h b/include/linux/module.h index 8eb9a1e693e5..e7bdd549e527 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -45,7 +45,7 @@ struct module_kobject { struct kobject *drivers_dir; struct module_param_attrs *mp; struct completion *kobj_completion; -}; +} __randomize_layout; struct module_attribute { struct attribute attr; @@ -475,7 +475,7 @@ struct module { ctor_fn_t *ctors; unsigned int num_ctors; #endif -} ____cacheline_aligned; +} ____cacheline_aligned __randomize_layout; #ifndef MODULE_ARCH_INIT #define MODULE_ARCH_INIT {} #endif diff --git a/include/linux/mount.h b/include/linux/mount.h index 8e0352af06b7..1ce85e6fd95f 100644 --- a/include/linux/mount.h +++ b/include/linux/mount.h @@ -67,7 +67,7 @@ struct vfsmount { struct dentry *mnt_root; /* root of the mounted tree */ struct super_block *mnt_sb; /* pointer to superblock */ int mnt_flags; -}; +} __randomize_layout; struct file; /* forward dec */ struct path; diff --git a/include/linux/msg.h b/include/linux/msg.h index f3f302f9c197..a001305f5a79 100644 --- a/include/linux/msg.h +++ b/include/linux/msg.h @@ -29,7 +29,7 @@ struct msg_queue { struct list_head q_messages; struct list_head q_receivers; struct list_head q_senders; -}; +} __randomize_layout; /* Helper routines for sys_msgsnd and sys_msgrcv */ extern long do_msgsnd(int msqid, long mtype, void __user *mtext, diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h index a4b97be30b28..22f081065d49 100644 --- a/include/linux/netfilter.h +++ b/include/linux/netfilter.h @@ -61,8 +61,6 @@ typedef unsigned int nf_hookfn(void *priv, struct sk_buff *skb, const struct nf_hook_state *state); struct nf_hook_ops { - struct list_head list; - /* User fills in from here down. */ nf_hookfn *hook; struct net_device *dev; @@ -160,13 +158,6 @@ int nf_register_net_hooks(struct net *net, const struct nf_hook_ops *reg, void nf_unregister_net_hooks(struct net *net, const struct nf_hook_ops *reg, unsigned int n); -int nf_register_hook(struct nf_hook_ops *reg); -void nf_unregister_hook(struct nf_hook_ops *reg); -int nf_register_hooks(struct nf_hook_ops *reg, unsigned int n); -void nf_unregister_hooks(struct nf_hook_ops *reg, unsigned int n); -int _nf_register_hooks(struct nf_hook_ops *reg, unsigned int n); -void _nf_unregister_hooks(struct nf_hook_ops *reg, unsigned int n); - /* Functions to register get/setsockopt ranges (non-inclusive). You need to check permissions yourself! */ int nf_register_sockopt(struct nf_sockopt_ops *reg); diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index e52cc55ac300..5cc91d6381a3 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -51,7 +51,7 @@ struct nfs_access_entry { struct list_head lru; unsigned long jiffies; struct rpc_cred * cred; - int mask; + __u32 mask; struct rcu_head rcu_head; }; diff --git a/include/linux/nvme.h b/include/linux/nvme.h index 6b8ee9e628e1..bc74da018bdc 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -963,14 +963,14 @@ struct nvme_dbbuf { }; struct streams_directive_params { - __u16 msl; - __u16 nssa; - __u16 nsso; + __le16 msl; + __le16 nssa; + __le16 nsso; __u8 rsvd[10]; - __u32 sws; - __u16 sgs; - __u16 nsa; - __u16 nso; + __le32 sws; + __le16 sgs; + __le16 nsa; + __le16 nso; __u8 rsvd2[6]; }; diff --git a/include/linux/path.h b/include/linux/path.h index d1372186f431..cde895cc4af4 100644 --- a/include/linux/path.h +++ b/include/linux/path.h @@ -7,7 +7,7 @@ struct vfsmount; struct path { struct vfsmount *mnt; struct dentry *dentry; -}; +} __randomize_layout; extern void path_get(const struct path *); extern void path_put(const struct path *); diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h index c2a989dee876..b09136f88cf4 100644 --- a/include/linux/pid_namespace.h +++ b/include/linux/pid_namespace.h @@ -52,7 +52,7 @@ struct pid_namespace { int hide_pid; int reboot; /* group exit code if this pidns was rebooted */ struct ns_common ns; -}; +} __randomize_layout; extern struct pid_namespace init_pid_ns; diff --git a/include/linux/proc_ns.h b/include/linux/proc_ns.h index 58ab28d81fc2..06844b54dfc1 100644 --- a/include/linux/proc_ns.h +++ b/include/linux/proc_ns.h @@ -21,7 +21,7 @@ struct proc_ns_operations { int (*install)(struct nsproxy *nsproxy, struct ns_common *ns); struct user_namespace *(*owner)(struct ns_common *ns); struct ns_common *(*get_parent)(struct ns_common *ns); -}; +} __randomize_layout; extern const struct proc_ns_operations netns_operations; extern const struct proc_ns_operations utsns_operations; diff --git a/include/linux/sched.h b/include/linux/sched.h index 2ba9ec93423f..8337e2db0bb2 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -426,7 +426,7 @@ struct sched_rt_entity { /* rq "owned" by this entity/group: */ struct rt_rq *my_q; #endif -}; +} __randomize_layout; struct sched_dl_entity { struct rb_node rb_node; @@ -526,6 +526,13 @@ struct task_struct { #endif /* -1 unrunnable, 0 runnable, >0 stopped: */ volatile long state; + + /* + * This begins the randomizable portion of task_struct. Only + * scheduling-critical items should be added above here. + */ + randomized_struct_fields_start + void *stack; atomic_t usage; /* Per task flags (PF_*), defined further below: */ @@ -1079,6 +1086,13 @@ struct task_struct { /* Used by LSM modules for access restriction: */ void *security; #endif + + /* + * New fields for task_struct should be added above here, so that + * they are included in the randomized portion of task_struct. + */ + randomized_struct_fields_end + /* CPU-specific state of this task: */ struct thread_struct thread; diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h index c06d63b3a583..2a0dd40b15db 100644 --- a/include/linux/sched/signal.h +++ b/include/linux/sched/signal.h @@ -222,7 +222,7 @@ struct signal_struct { struct mutex cred_guard_mutex; /* guard against foreign influences on * credential calculations * (notably. ptrace) */ -}; +} __randomize_layout; /* * Bits in flags field of signal_struct. diff --git a/include/linux/sem.h b/include/linux/sem.h index be5cf2ea14ad..de2deb8676bd 100644 --- a/include/linux/sem.h +++ b/include/linux/sem.h @@ -41,7 +41,7 @@ struct sem_array { unsigned int use_global_lock;/* >0: global lock required */ struct sem sems[]; -}; +} __randomize_layout; #ifdef CONFIG_SYSVIPC diff --git a/include/linux/shm.h b/include/linux/shm.h index 04e881829625..0fb7061ec54c 100644 --- a/include/linux/shm.h +++ b/include/linux/shm.h @@ -22,7 +22,7 @@ struct shmid_kernel /* private to the kernel */ /* The task created the shm object. NULL if the task is dead. */ struct task_struct *shm_creator; struct list_head shm_clist; /* list by creator */ -}; +} __randomize_layout; /* shm_mode upper byte flags */ #define SHM_DEST 01000 /* segment will be destroyed on last detach */ diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index 3a89b9ff4cdc..1d4dba490fb6 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -120,7 +120,7 @@ struct ctl_table struct ctl_table_poll *poll; void *extra1; void *extra2; -}; +} __randomize_layout; struct ctl_node { struct rb_node node; diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index f73cedfa2e0b..536c80ff7ad9 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -338,7 +338,7 @@ enum { struct trace_event_file { struct list_head list; struct trace_event_call *event_call; - struct event_filter *filter; + struct event_filter __rcu *filter; struct dentry *dir; struct trace_array *tr; struct trace_subsystem_dir *system; diff --git a/include/linux/tty.h b/include/linux/tty.h index 69464c0d8068..79c30daf46a9 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -332,7 +332,7 @@ struct tty_struct { /* If the tty has a pending do_SAK, queue it here - akpm */ struct work_struct SAK_work; struct tty_port *port; -}; +} __randomize_layout; /* Each of a tty's open files has private_data pointing to tty_file_private */ struct tty_file_private { diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index b742b5e47cc2..00b2213f6a35 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -291,7 +291,7 @@ struct tty_operations { void (*poll_put_char)(struct tty_driver *driver, int line, char ch); #endif const struct file_operations *proc_fops; -}; +} __randomize_layout; struct tty_driver { int magic; /* magic number for this structure */ @@ -325,7 +325,7 @@ struct tty_driver { const struct tty_operations *ops; struct list_head tty_drivers; -}; +} __randomize_layout; extern struct list_head tty_drivers; diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h index c5f2158ab00e..fd73bc0e9027 100644 --- a/include/linux/usb/audio-v2.h +++ b/include/linux/usb/audio-v2.h @@ -115,13 +115,13 @@ struct uac2_input_terminal_descriptor { __u8 bDescriptorType; __u8 bDescriptorSubtype; __u8 bTerminalID; - __u16 wTerminalType; + __le16 wTerminalType; __u8 bAssocTerminal; __u8 bCSourceID; __u8 bNrChannels; - __u32 bmChannelConfig; + __le32 bmChannelConfig; __u8 iChannelNames; - __u16 bmControls; + __le16 bmControls; __u8 iTerminal; } __attribute__((packed)); @@ -132,11 +132,11 @@ struct uac2_output_terminal_descriptor { __u8 bDescriptorType; __u8 bDescriptorSubtype; __u8 bTerminalID; - __u16 wTerminalType; + __le16 wTerminalType; __u8 bAssocTerminal; __u8 bSourceID; __u8 bCSourceID; - __u16 bmControls; + __le16 bmControls; __u8 iTerminal; } __attribute__((packed)); @@ -164,9 +164,9 @@ struct uac2_as_header_descriptor { __u8 bTerminalLink; __u8 bmControls; __u8 bFormatType; - __u32 bmFormats; + __le32 bmFormats; __u8 bNrChannels; - __u32 bmChannelConfig; + __le32 bmChannelConfig; __u8 iChannelNames; } __attribute__((packed)); diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h index 021f7a88f52c..1a59699cf82a 100644 --- a/include/linux/usb/cdc_ncm.h +++ b/include/linux/usb/cdc_ncm.h @@ -83,6 +83,7 @@ /* Driver flags */ #define CDC_NCM_FLAG_NDP_TO_END 0x02 /* NDP is placed at end of frame */ #define CDC_MBIM_FLAG_AVOID_ALTSETTING_TOGGLE 0x04 /* Avoid altsetting toggle during init */ +#define CDC_NCM_FLAG_RESET_NTB16 0x08 /* set NDP16 one more time after altsetting switch */ #define cdc_ncm_comm_intf_is_mbim(x) ((x)->desc.bInterfaceSubClass == USB_CDC_SUBCLASS_MBIM && \ (x)->desc.bInterfaceProtocol == USB_CDC_PROTO_NONE) diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h index 32354b4b4b2b..b3575ce29148 100644 --- a/include/linux/user_namespace.h +++ b/include/linux/user_namespace.h @@ -66,7 +66,7 @@ struct user_namespace { #endif struct ucounts *ucounts; int ucount_max[UCOUNT_COUNTS]; -}; +} __randomize_layout; struct ucounts { struct hlist_node node; diff --git a/include/linux/utsname.h b/include/linux/utsname.h index 60f0bb83b313..da826ed059cf 100644 --- a/include/linux/utsname.h +++ b/include/linux/utsname.h @@ -26,7 +26,7 @@ struct uts_namespace { struct user_namespace *user_ns; struct ucounts *ucounts; struct ns_common ns; -}; +} __randomize_layout; extern struct uts_namespace init_uts_ns; #ifdef CONFIG_UTS_NS diff --git a/include/net/af_unix.h b/include/net/af_unix.h index 678e4d6fa317..53b1a2cca421 100644 --- a/include/net/af_unix.h +++ b/include/net/af_unix.h @@ -37,7 +37,7 @@ struct unix_skb_parms { u32 secid; /* Security ID */ #endif u32 consumed; -}; +} __randomize_layout; #define UNIXCB(skb) (*(struct unix_skb_parms *)&((skb)->cb)) diff --git a/include/net/neighbour.h b/include/net/neighbour.h index afc39e3a3f7c..9816df225af3 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -156,7 +156,7 @@ struct neighbour { struct rcu_head rcu; struct net_device *dev; u8 primary_key[0]; -}; +} __randomize_layout; struct neigh_ops { int family; diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index 31a2b51bef2c..1c401bd4c2e0 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -148,7 +148,7 @@ struct net { #endif struct sock *diag_nlsk; atomic_t fnhe_genid; -}; +} __randomize_layout; #include <linux/seq_file_net.h> diff --git a/include/net/netlink.h b/include/net/netlink.h index 01709172b3d3..ef8e6c3a80a6 100644 --- a/include/net/netlink.h +++ b/include/net/netlink.h @@ -98,8 +98,8 @@ * nla_put_u8(skb, type, value) add u8 attribute to skb * nla_put_u16(skb, type, value) add u16 attribute to skb * nla_put_u32(skb, type, value) add u32 attribute to skb - * nla_put_u64_64bits(skb, type, - * value, padattr) add u64 attribute to skb + * nla_put_u64_64bit(skb, type, + * value, padattr) add u64 attribute to skb * nla_put_s8(skb, type, value) add s8 attribute to skb * nla_put_s16(skb, type, value) add s16 attribute to skb * nla_put_s32(skb, type, value) add s32 attribute to skb diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index a9519a06a23b..980807d7506f 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -469,6 +469,8 @@ _sctp_walk_params((pos), (chunk), ntohs((chunk)->chunk_hdr.length), member) #define _sctp_walk_params(pos, chunk, end, member)\ for (pos.v = chunk->member;\ + (pos.v + offsetof(struct sctp_paramhdr, length) + sizeof(pos.p->length) <\ + (void *)chunk + end) &&\ pos.v <= (void *)chunk + end - ntohs(pos.p->length) &&\ ntohs(pos.p->length) >= sizeof(struct sctp_paramhdr);\ pos.v += SCTP_PAD4(ntohs(pos.p->length))) @@ -479,6 +481,8 @@ _sctp_walk_errors((err), (chunk_hdr), ntohs((chunk_hdr)->length)) #define _sctp_walk_errors(err, chunk_hdr, end)\ for (err = (sctp_errhdr_t *)((void *)chunk_hdr + \ sizeof(struct sctp_chunkhdr));\ + ((void *)err + offsetof(sctp_errhdr_t, length) + sizeof(err->length) <\ + (void *)chunk_hdr + end) &&\ (void *)err <= (void *)chunk_hdr + end - ntohs(err->length) &&\ ntohs(err->length) >= sizeof(sctp_errhdr_t); \ err = (sctp_errhdr_t *)((void *)err + SCTP_PAD4(ntohs(err->length)))) diff --git a/include/net/sock.h b/include/net/sock.h index f69c8c2782df..7c0632c7e870 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1128,7 +1128,7 @@ struct proto { atomic_t socks; #endif int (*diag_destroy)(struct sock *sk, int err); -}; +} __randomize_layout; int proto_register(struct proto *prot, int alloc_slab); void proto_unregister(struct proto *prot); diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h index 4b34c51f859e..b73a14edc85e 100644 --- a/include/rdma/ib_addr.h +++ b/include/rdma/ib_addr.h @@ -205,11 +205,13 @@ static inline void iboe_addr_get_sgid(struct rdma_dev_addr *dev_addr, dev = dev_get_by_index(&init_net, dev_addr->bound_dev_if); if (dev) { ip4 = in_dev_get(dev); - if (ip4 && ip4->ifa_list && ip4->ifa_list->ifa_address) { + if (ip4 && ip4->ifa_list && ip4->ifa_list->ifa_address) ipv6_addr_set_v4mapped(ip4->ifa_list->ifa_address, (struct in6_addr *)gid); + + if (ip4) in_dev_put(ip4); - } + dev_put(dev); } } diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 356953d3dbd1..b5732432bb29 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1056,7 +1056,7 @@ enum ib_qp_create_flags { IB_QP_CREATE_MANAGED_RECV = 1 << 4, IB_QP_CREATE_NETIF_QP = 1 << 5, IB_QP_CREATE_SIGNATURE_EN = 1 << 6, - IB_QP_CREATE_USE_GFP_NOIO = 1 << 7, + /* FREE = 1 << 7, */ IB_QP_CREATE_SCATTER_FCS = 1 << 8, IB_QP_CREATE_CVLAN_STRIPPING = 1 << 9, /* reserve bits 26-31 for low level drivers' internal use */ @@ -2948,6 +2948,22 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *qp_init_attr); /** + * ib_modify_qp_with_udata - Modifies the attributes for the specified QP. + * @qp: The QP to modify. + * @attr: On input, specifies the QP attributes to modify. On output, + * the current values of selected QP attributes are returned. + * @attr_mask: A bit-mask used to specify which attributes of the QP + * are being modified. + * @udata: pointer to user's input output buffer information + * are being modified. + * It returns 0 on success and returns appropriate error code on error. + */ +int ib_modify_qp_with_udata(struct ib_qp *qp, + struct ib_qp_attr *attr, + int attr_mask, + struct ib_udata *udata); + +/** * ib_modify_qp - Modifies the attributes for the specified QP and then * transitions the QP to the given state. * @qp: The QP to modify. diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h index 4878aaf7bdff..55af69271053 100644 --- a/include/rdma/rdma_vt.h +++ b/include/rdma/rdma_vt.h @@ -229,8 +229,7 @@ struct rvt_driver_provided { * ERR_PTR(err). The driver is free to return NULL or a valid * pointer. */ - void * (*qp_priv_alloc)(struct rvt_dev_info *rdi, struct rvt_qp *qp, - gfp_t gfp); + void * (*qp_priv_alloc)(struct rvt_dev_info *rdi, struct rvt_qp *qp); /* * Free the driver's private qp structure. @@ -319,7 +318,7 @@ struct rvt_driver_provided { /* Let the driver pick the next queue pair number*/ int (*alloc_qpn)(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt, - enum ib_qp_type type, u8 port_num, gfp_t gfp); + enum ib_qp_type type, u8 port_num); /* Determine if its safe or allowed to modify the qp */ int (*check_modify_qp)(struct rvt_qp *qp, struct ib_qp_attr *attr, diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h index be6472e5b06b..d664d2e76280 100644 --- a/include/rdma/rdmavt_qp.h +++ b/include/rdma/rdmavt_qp.h @@ -647,6 +647,20 @@ static inline u32 rvt_div_mtu(struct rvt_qp *qp, u32 len) return len >> qp->log_pmtu; } +/** + * rvt_timeout_to_jiffies - Convert a ULP timeout input into jiffies + * @timeout - timeout input(0 - 31). + * + * Return a timeout value in jiffies. + */ +static inline unsigned long rvt_timeout_to_jiffies(u8 timeout) +{ + if (timeout > 31) + timeout = 31; + + return usecs_to_jiffies(1U << timeout) * 4096UL / 1000UL; +} + extern const int ib_rvt_state_ops[]; struct rvt_dev_info; diff --git a/include/uapi/asm-generic/ioctls.h b/include/uapi/asm-generic/ioctls.h index 06d5f7ddf84e..14baf9f23a14 100644 --- a/include/uapi/asm-generic/ioctls.h +++ b/include/uapi/asm-generic/ioctls.h @@ -77,7 +77,7 @@ #define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */ #define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */ #define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */ -#define TIOCGPTPEER _IOR('T', 0x41, int) /* Safely open the slave */ +#define TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */ #define FIONCLEX 0x5450 #define FIOCLEX 0x5451 diff --git a/include/uapi/linux/usb/audio.h b/include/uapi/linux/usb/audio.h index d2314be4f0c0..a4680a5bf5dd 100644 --- a/include/uapi/linux/usb/audio.h +++ b/include/uapi/linux/usb/audio.h @@ -333,7 +333,7 @@ struct uac_processing_unit_descriptor { __u8 bDescriptorType; __u8 bDescriptorSubtype; __u8 bUnitID; - __u16 wProcessType; + __le16 wProcessType; __u8 bNrInPins; __u8 baSourceID[]; } __attribute__ ((packed)); @@ -491,8 +491,8 @@ struct uac_format_type_ii_ext_descriptor { __u8 bDescriptorType; __u8 bDescriptorSubtype; __u8 bFormatType; - __u16 wMaxBitRate; - __u16 wSamplesPerFrame; + __le16 wMaxBitRate; + __le16 wSamplesPerFrame; __u8 bHeaderLength; __u8 bSideBandProtocol; } __attribute__((packed)); diff --git a/include/xen/balloon.h b/include/xen/balloon.h index d1767dfb0d95..8906361bb50c 100644 --- a/include/xen/balloon.h +++ b/include/xen/balloon.h @@ -35,3 +35,11 @@ static inline int register_xen_selfballooning(struct device *dev) return -ENOSYS; } #endif + +#ifdef CONFIG_XEN_BALLOON +void xen_balloon_init(void); +#else +static inline void xen_balloon_init(void) +{ +} +#endif diff --git a/kernel/audit.c b/kernel/audit.c index 833267bbd80b..6dd556931739 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -641,6 +641,7 @@ static int auditd_send_unicast_skb(struct sk_buff *skb) ac = rcu_dereference(auditd_conn); if (!ac) { rcu_read_unlock(); + kfree_skb(skb); rc = -ECONNREFUSED; goto err; } diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 6a86723c5b64..af9e84a4944e 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -504,6 +504,7 @@ static void reset_reg_range_values(struct bpf_reg_state *regs, u32 regno) { regs[regno].min_value = BPF_REGISTER_MIN_RANGE; regs[regno].max_value = BPF_REGISTER_MAX_RANGE; + regs[regno].value_from_signed = false; regs[regno].min_align = 0; } @@ -777,12 +778,13 @@ static int check_ctx_access(struct bpf_verifier_env *env, int insn_idx, int off, return -EACCES; } -static bool is_pointer_value(struct bpf_verifier_env *env, int regno) +static bool __is_pointer_value(bool allow_ptr_leaks, + const struct bpf_reg_state *reg) { - if (env->allow_ptr_leaks) + if (allow_ptr_leaks) return false; - switch (env->cur_state.regs[regno].type) { + switch (reg->type) { case UNKNOWN_VALUE: case CONST_IMM: return false; @@ -791,6 +793,11 @@ static bool is_pointer_value(struct bpf_verifier_env *env, int regno) } } +static bool is_pointer_value(struct bpf_verifier_env *env, int regno) +{ + return __is_pointer_value(env->allow_ptr_leaks, &env->cur_state.regs[regno]); +} + static int check_pkt_ptr_alignment(const struct bpf_reg_state *reg, int off, int size, bool strict) { @@ -1832,10 +1839,24 @@ static void adjust_reg_min_max_vals(struct bpf_verifier_env *env, dst_align = dst_reg->min_align; /* We don't know anything about what was done to this register, mark it - * as unknown. + * as unknown. Also, if both derived bounds came from signed/unsigned + * mixed compares and one side is unbounded, we cannot really do anything + * with them as boundaries cannot be trusted. Thus, arithmetic of two + * regs of such kind will get invalidated bounds on the dst side. */ - if (min_val == BPF_REGISTER_MIN_RANGE && - max_val == BPF_REGISTER_MAX_RANGE) { + if ((min_val == BPF_REGISTER_MIN_RANGE && + max_val == BPF_REGISTER_MAX_RANGE) || + (BPF_SRC(insn->code) == BPF_X && + ((min_val != BPF_REGISTER_MIN_RANGE && + max_val == BPF_REGISTER_MAX_RANGE) || + (min_val == BPF_REGISTER_MIN_RANGE && + max_val != BPF_REGISTER_MAX_RANGE) || + (dst_reg->min_value != BPF_REGISTER_MIN_RANGE && + dst_reg->max_value == BPF_REGISTER_MAX_RANGE) || + (dst_reg->min_value == BPF_REGISTER_MIN_RANGE && + dst_reg->max_value != BPF_REGISTER_MAX_RANGE)) && + regs[insn->dst_reg].value_from_signed != + regs[insn->src_reg].value_from_signed)) { reset_reg_range_values(regs, insn->dst_reg); return; } @@ -2023,6 +2044,7 @@ static int check_alu_op(struct bpf_verifier_env *env, struct bpf_insn *insn) regs[insn->dst_reg].max_value = insn->imm; regs[insn->dst_reg].min_value = insn->imm; regs[insn->dst_reg].min_align = calc_align(insn->imm); + regs[insn->dst_reg].value_from_signed = false; } } else if (opcode > BPF_END) { @@ -2198,40 +2220,63 @@ static void reg_set_min_max(struct bpf_reg_state *true_reg, struct bpf_reg_state *false_reg, u64 val, u8 opcode) { + bool value_from_signed = true; + bool is_range = true; + switch (opcode) { case BPF_JEQ: /* If this is false then we know nothing Jon Snow, but if it is * true then we know for sure. */ true_reg->max_value = true_reg->min_value = val; + is_range = false; break; case BPF_JNE: /* If this is true we know nothing Jon Snow, but if it is false * we know the value for sure; */ false_reg->max_value = false_reg->min_value = val; + is_range = false; break; case BPF_JGT: - /* Unsigned comparison, the minimum value is 0. */ - false_reg->min_value = 0; + value_from_signed = false; /* fallthrough */ case BPF_JSGT: + if (true_reg->value_from_signed != value_from_signed) + reset_reg_range_values(true_reg, 0); + if (false_reg->value_from_signed != value_from_signed) + reset_reg_range_values(false_reg, 0); + if (opcode == BPF_JGT) { + /* Unsigned comparison, the minimum value is 0. */ + false_reg->min_value = 0; + } /* If this is false then we know the maximum val is val, * otherwise we know the min val is val+1. */ false_reg->max_value = val; + false_reg->value_from_signed = value_from_signed; true_reg->min_value = val + 1; + true_reg->value_from_signed = value_from_signed; break; case BPF_JGE: - /* Unsigned comparison, the minimum value is 0. */ - false_reg->min_value = 0; + value_from_signed = false; /* fallthrough */ case BPF_JSGE: + if (true_reg->value_from_signed != value_from_signed) + reset_reg_range_values(true_reg, 0); + if (false_reg->value_from_signed != value_from_signed) + reset_reg_range_values(false_reg, 0); + if (opcode == BPF_JGE) { + /* Unsigned comparison, the minimum value is 0. */ + false_reg->min_value = 0; + } /* If this is false then we know the maximum value is val - 1, * otherwise we know the mimimum value is val. */ false_reg->max_value = val - 1; + false_reg->value_from_signed = value_from_signed; true_reg->min_value = val; + true_reg->value_from_signed = value_from_signed; break; default: break; @@ -2239,6 +2284,12 @@ static void reg_set_min_max(struct bpf_reg_state *true_reg, check_reg_overflow(false_reg); check_reg_overflow(true_reg); + if (is_range) { + if (__is_pointer_value(false, false_reg)) + reset_reg_range_values(false_reg, 0); + if (__is_pointer_value(false, true_reg)) + reset_reg_range_values(true_reg, 0); + } } /* Same as above, but for the case that dst_reg is a CONST_IMM reg and src_reg @@ -2248,41 +2299,64 @@ static void reg_set_min_max_inv(struct bpf_reg_state *true_reg, struct bpf_reg_state *false_reg, u64 val, u8 opcode) { + bool value_from_signed = true; + bool is_range = true; + switch (opcode) { case BPF_JEQ: /* If this is false then we know nothing Jon Snow, but if it is * true then we know for sure. */ true_reg->max_value = true_reg->min_value = val; + is_range = false; break; case BPF_JNE: /* If this is true we know nothing Jon Snow, but if it is false * we know the value for sure; */ false_reg->max_value = false_reg->min_value = val; + is_range = false; break; case BPF_JGT: - /* Unsigned comparison, the minimum value is 0. */ - true_reg->min_value = 0; + value_from_signed = false; /* fallthrough */ case BPF_JSGT: + if (true_reg->value_from_signed != value_from_signed) + reset_reg_range_values(true_reg, 0); + if (false_reg->value_from_signed != value_from_signed) + reset_reg_range_values(false_reg, 0); + if (opcode == BPF_JGT) { + /* Unsigned comparison, the minimum value is 0. */ + true_reg->min_value = 0; + } /* * If this is false, then the val is <= the register, if it is * true the register <= to the val. */ false_reg->min_value = val; + false_reg->value_from_signed = value_from_signed; true_reg->max_value = val - 1; + true_reg->value_from_signed = value_from_signed; break; case BPF_JGE: - /* Unsigned comparison, the minimum value is 0. */ - true_reg->min_value = 0; + value_from_signed = false; /* fallthrough */ case BPF_JSGE: + if (true_reg->value_from_signed != value_from_signed) + reset_reg_range_values(true_reg, 0); + if (false_reg->value_from_signed != value_from_signed) + reset_reg_range_values(false_reg, 0); + if (opcode == BPF_JGE) { + /* Unsigned comparison, the minimum value is 0. */ + true_reg->min_value = 0; + } /* If this is false then constant < register, if it is true then * the register < constant. */ false_reg->min_value = val + 1; + false_reg->value_from_signed = value_from_signed; true_reg->max_value = val; + true_reg->value_from_signed = value_from_signed; break; default: break; @@ -2290,6 +2364,12 @@ static void reg_set_min_max_inv(struct bpf_reg_state *true_reg, check_reg_overflow(false_reg); check_reg_overflow(true_reg); + if (is_range) { + if (__is_pointer_value(false, false_reg)) + reset_reg_range_values(false_reg, 0); + if (__is_pointer_value(false, true_reg)) + reset_reg_range_values(true_reg, 0); + } } static void mark_map_reg(struct bpf_reg_state *regs, u32 regno, u32 id, diff --git a/kernel/cpu.c b/kernel/cpu.c index ab860453841d..eee033134262 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -279,7 +279,8 @@ static int bringup_wait_for_ap(unsigned int cpu) /* Wait for the CPU to reach CPUHP_AP_ONLINE_IDLE */ wait_for_completion(&st->done); - BUG_ON(!cpu_online(cpu)); + if (WARN_ON_ONCE((!cpu_online(cpu)))) + return -ECANCELED; /* Unpark the stopper thread and the hotplug thread of the target cpu */ stop_machine_unpark(cpu); diff --git a/kernel/events/core.c b/kernel/events/core.c index 1538df9b2b65..426c2ffba16d 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -1452,6 +1452,13 @@ static enum event_type_t get_event_type(struct perf_event *event) lockdep_assert_held(&ctx->lock); + /* + * It's 'group type', really, because if our group leader is + * pinned, so are we. + */ + if (event->group_leader != event) + event = event->group_leader; + event_type = event->attr.pinned ? EVENT_PINNED : EVENT_FLEXIBLE; if (!ctx->task) event_type |= EVENT_CPU; @@ -4378,7 +4385,9 @@ EXPORT_SYMBOL_GPL(perf_event_read_value); static int __perf_read_group_add(struct perf_event *leader, u64 read_format, u64 *values) { + struct perf_event_context *ctx = leader->ctx; struct perf_event *sub; + unsigned long flags; int n = 1; /* skip @nr */ int ret; @@ -4408,12 +4417,15 @@ static int __perf_read_group_add(struct perf_event *leader, if (read_format & PERF_FORMAT_ID) values[n++] = primary_event_id(leader); + raw_spin_lock_irqsave(&ctx->lock, flags); + list_for_each_entry(sub, &leader->sibling_list, group_entry) { values[n++] += perf_event_count(sub); if (read_format & PERF_FORMAT_ID) values[n++] = primary_event_id(sub); } + raw_spin_unlock_irqrestore(&ctx->lock, flags); return 0; } @@ -7321,21 +7333,6 @@ int perf_event_account_interrupt(struct perf_event *event) return __perf_event_account_interrupt(event, 1); } -static bool sample_is_allowed(struct perf_event *event, struct pt_regs *regs) -{ - /* - * Due to interrupt latency (AKA "skid"), we may enter the - * kernel before taking an overflow, even if the PMU is only - * counting user events. - * To avoid leaking information to userspace, we must always - * reject kernel samples when exclude_kernel is set. - */ - if (event->attr.exclude_kernel && !user_mode(regs)) - return false; - - return true; -} - /* * Generic event overflow handling, sampling. */ @@ -7357,12 +7354,6 @@ static int __perf_event_overflow(struct perf_event *event, ret = __perf_event_account_interrupt(event, throttle); /* - * For security, drop the skid kernel samples if necessary. - */ - if (!sample_is_allowed(event, regs)) - return ret; - - /* * XXX event_limit might not quite work as expected on inherited * events */ diff --git a/kernel/futex.c b/kernel/futex.c index c934689043b2..16dbe4c93895 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -212,7 +212,7 @@ struct futex_pi_state { atomic_t refcount; union futex_key key; -}; +} __randomize_layout; /** * struct futex_q - The hashed futex queue entry, one per waiting task @@ -246,7 +246,7 @@ struct futex_q { struct rt_mutex_waiter *rt_waiter; union futex_key *requeue_pi_key; u32 bitset; -}; +} __randomize_layout; static const struct futex_q futex_q_init = { /* list gets initialized in queue_me()*/ diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index d171bc57e1e0..a3cc37c0c85e 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -170,21 +170,11 @@ static void irq_state_clr_disabled(struct irq_desc *desc) irqd_clear(&desc->irq_data, IRQD_IRQ_DISABLED); } -static void irq_state_set_disabled(struct irq_desc *desc) -{ - irqd_set(&desc->irq_data, IRQD_IRQ_DISABLED); -} - static void irq_state_clr_masked(struct irq_desc *desc) { irqd_clear(&desc->irq_data, IRQD_IRQ_MASKED); } -static void irq_state_set_masked(struct irq_desc *desc) -{ - irqd_set(&desc->irq_data, IRQD_IRQ_MASKED); -} - static void irq_state_clr_started(struct irq_desc *desc) { irqd_clear(&desc->irq_data, IRQD_IRQ_STARTED); diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index dbfba9933ed2..a2c48058354c 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -227,6 +227,16 @@ static inline bool irqd_has_set(struct irq_data *d, unsigned int mask) return __irqd_to_state(d) & mask; } +static inline void irq_state_set_disabled(struct irq_desc *desc) +{ + irqd_set(&desc->irq_data, IRQD_IRQ_DISABLED); +} + +static inline void irq_state_set_masked(struct irq_desc *desc) +{ + irqd_set(&desc->irq_data, IRQD_IRQ_MASKED); +} + #undef __irqd_to_state static inline void kstat_incr_irqs_this_cpu(struct irq_desc *desc) diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 5624b2dd6b58..1d1a5b945ab4 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -1090,6 +1090,16 @@ setup_irq_thread(struct irqaction *new, unsigned int irq, bool secondary) /* * Internal function to register an irqaction - typically used to * allocate special interrupts that are part of the architecture. + * + * Locking rules: + * + * desc->request_mutex Provides serialization against a concurrent free_irq() + * chip_bus_lock Provides serialization for slow bus operations + * desc->lock Provides serialization against hard interrupts + * + * chip_bus_lock and desc->lock are sufficient for all other management and + * interrupt related functions. desc->request_mutex solely serializes + * request/free_irq(). */ static int __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) @@ -1167,20 +1177,35 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) if (desc->irq_data.chip->flags & IRQCHIP_ONESHOT_SAFE) new->flags &= ~IRQF_ONESHOT; + /* + * Protects against a concurrent __free_irq() call which might wait + * for synchronize_irq() to complete without holding the optional + * chip bus lock and desc->lock. + */ mutex_lock(&desc->request_mutex); + + /* + * Acquire bus lock as the irq_request_resources() callback below + * might rely on the serialization or the magic power management + * functions which are abusing the irq_bus_lock() callback, + */ + chip_bus_lock(desc); + + /* First installed action requests resources. */ if (!desc->action) { ret = irq_request_resources(desc); if (ret) { pr_err("Failed to request resources for %s (irq %d) on irqchip %s\n", new->name, irq, desc->irq_data.chip->name); - goto out_mutex; + goto out_bus_unlock; } } - chip_bus_lock(desc); - /* * The following block of code has to be executed atomically + * protected against a concurrent interrupt and any of the other + * management calls which are not serialized via + * desc->request_mutex or the optional bus lock. */ raw_spin_lock_irqsave(&desc->lock, flags); old_ptr = &desc->action; @@ -1286,10 +1311,8 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) ret = __irq_set_trigger(desc, new->flags & IRQF_TRIGGER_MASK); - if (ret) { - irq_release_resources(desc); + if (ret) goto out_unlock; - } } desc->istate &= ~(IRQS_AUTODETECT | IRQS_SPURIOUS_DISABLED | \ @@ -1385,12 +1408,10 @@ mismatch: out_unlock: raw_spin_unlock_irqrestore(&desc->lock, flags); - chip_bus_sync_unlock(desc); - if (!desc->action) irq_release_resources(desc); - -out_mutex: +out_bus_unlock: + chip_bus_sync_unlock(desc); mutex_unlock(&desc->request_mutex); out_thread: @@ -1472,6 +1493,7 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id) WARN(1, "Trying to free already-free IRQ %d\n", irq); raw_spin_unlock_irqrestore(&desc->lock, flags); chip_bus_sync_unlock(desc); + mutex_unlock(&desc->request_mutex); return NULL; } @@ -1498,6 +1520,20 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id) #endif raw_spin_unlock_irqrestore(&desc->lock, flags); + /* + * Drop bus_lock here so the changes which were done in the chip + * callbacks above are synced out to the irq chips which hang + * behind a slow bus (I2C, SPI) before calling synchronize_irq(). + * + * Aside of that the bus_lock can also be taken from the threaded + * handler in irq_finalize_oneshot() which results in a deadlock + * because synchronize_irq() would wait forever for the thread to + * complete, which is blocked on the bus lock. + * + * The still held desc->request_mutex() protects against a + * concurrent request_irq() of this irq so the release of resources + * and timing data is properly serialized. + */ chip_bus_sync_unlock(desc); unregister_handler_proc(irq, action); @@ -1530,8 +1566,15 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id) } } + /* Last action releases resources */ if (!desc->action) { + /* + * Reaquire bus lock as irq_release_resources() might + * require it to deallocate resources over the slow bus. + */ + chip_bus_lock(desc); irq_release_resources(desc); + chip_bus_sync_unlock(desc); irq_remove_timings(desc); } diff --git a/kernel/irq/pm.c b/kernel/irq/pm.c index cea1de0161f1..6bd9b58429cc 100644 --- a/kernel/irq/pm.c +++ b/kernel/irq/pm.c @@ -149,6 +149,8 @@ static void resume_irq(struct irq_desc *desc) /* Pretend that it got disabled ! */ desc->depth++; + irq_state_set_disabled(desc); + irq_state_set_masked(desc); resume: desc->istate &= ~IRQS_SUSPENDED; __enable_irq(desc); diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c index 78069895032a..649dc9d3951a 100644 --- a/kernel/locking/rtmutex.c +++ b/kernel/locking/rtmutex.c @@ -963,7 +963,6 @@ static int task_blocks_on_rt_mutex(struct rt_mutex *lock, return -EDEADLK; raw_spin_lock(&task->pi_lock); - rt_mutex_adjust_prio(task); waiter->task = task; waiter->lock = lock; waiter->prio = task->prio; diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index 6e3ea4ac1bda..14d2dbf97c53 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -683,7 +683,7 @@ static u64 vtime_delta(struct vtime *vtime) { unsigned long long clock; - clock = sched_clock_cpu(smp_processor_id()); + clock = sched_clock(); if (clock < vtime->starttime) return 0; @@ -814,7 +814,7 @@ void arch_vtime_task_switch(struct task_struct *prev) write_seqcount_begin(&vtime->seqcount); vtime->state = VTIME_SYS; - vtime->starttime = sched_clock_cpu(smp_processor_id()); + vtime->starttime = sched_clock(); write_seqcount_end(&vtime->seqcount); } @@ -826,7 +826,7 @@ void vtime_init_idle(struct task_struct *t, int cpu) local_irq_save(flags); write_seqcount_begin(&vtime->seqcount); vtime->state = VTIME_SYS; - vtime->starttime = sched_clock_cpu(cpu); + vtime->starttime = sched_clock(); write_seqcount_end(&vtime->seqcount); local_irq_restore(flags); } diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index a84299f44b5d..755bd3f1a1a9 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -1392,17 +1392,19 @@ static void enqueue_task_dl(struct rq *rq, struct task_struct *p, int flags) struct sched_dl_entity *pi_se = &p->dl; /* - * Use the scheduling parameters of the top pi-waiter - * task if we have one and its (absolute) deadline is - * smaller than our one... OTW we keep our runtime and - * deadline. + * Use the scheduling parameters of the top pi-waiter task if: + * - we have a top pi-waiter which is a SCHED_DEADLINE task AND + * - our dl_boosted is set (i.e. the pi-waiter's (absolute) deadline is + * smaller than our deadline OR we are a !SCHED_DEADLINE task getting + * boosted due to a SCHED_DEADLINE pi-waiter). + * Otherwise we keep our runtime and deadline. */ - if (pi_task && p->dl.dl_boosted && dl_prio(pi_task->normal_prio)) { + if (pi_task && dl_prio(pi_task->normal_prio) && p->dl.dl_boosted) { pi_se = &pi_task->dl; } else if (!dl_prio(p->normal_prio)) { /* * Special case in which we have a !SCHED_DEADLINE task - * that is going to be deboosted, but exceedes its + * that is going to be deboosted, but exceeds its * runtime while doing so. No point in replenishing * it, as it's going to return back to its original * scheduling class after this. diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 53f6b6401cf0..02004ae91860 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -113,7 +113,7 @@ static int ftrace_disabled __read_mostly; static DEFINE_MUTEX(ftrace_lock); -static struct ftrace_ops *ftrace_ops_list __read_mostly = &ftrace_list_end; +static struct ftrace_ops __rcu *ftrace_ops_list __read_mostly = &ftrace_list_end; ftrace_func_t ftrace_trace_function __read_mostly = ftrace_stub; static struct ftrace_ops global_ops; @@ -169,8 +169,11 @@ int ftrace_nr_registered_ops(void) mutex_lock(&ftrace_lock); - for (ops = ftrace_ops_list; - ops != &ftrace_list_end; ops = ops->next) + for (ops = rcu_dereference_protected(ftrace_ops_list, + lockdep_is_held(&ftrace_lock)); + ops != &ftrace_list_end; + ops = rcu_dereference_protected(ops->next, + lockdep_is_held(&ftrace_lock))) cnt++; mutex_unlock(&ftrace_lock); @@ -275,10 +278,11 @@ static void update_ftrace_function(void) * If there's only one ftrace_ops registered, the ftrace_ops_list * will point to the ops we want. */ - set_function_trace_op = ftrace_ops_list; + set_function_trace_op = rcu_dereference_protected(ftrace_ops_list, + lockdep_is_held(&ftrace_lock)); /* If there's no ftrace_ops registered, just call the stub function */ - if (ftrace_ops_list == &ftrace_list_end) { + if (set_function_trace_op == &ftrace_list_end) { func = ftrace_stub; /* @@ -286,7 +290,8 @@ static void update_ftrace_function(void) * recursion safe and not dynamic and the arch supports passing ops, * then have the mcount trampoline call the function directly. */ - } else if (ftrace_ops_list->next == &ftrace_list_end) { + } else if (rcu_dereference_protected(ftrace_ops_list->next, + lockdep_is_held(&ftrace_lock)) == &ftrace_list_end) { func = ftrace_ops_get_list_func(ftrace_ops_list); } else { @@ -348,9 +353,11 @@ int using_ftrace_ops_list_func(void) return ftrace_trace_function == ftrace_ops_list_func; } -static void add_ftrace_ops(struct ftrace_ops **list, struct ftrace_ops *ops) +static void add_ftrace_ops(struct ftrace_ops __rcu **list, + struct ftrace_ops *ops) { - ops->next = *list; + rcu_assign_pointer(ops->next, *list); + /* * We are entering ops into the list but another * CPU might be walking that list. We need to make sure @@ -360,7 +367,8 @@ static void add_ftrace_ops(struct ftrace_ops **list, struct ftrace_ops *ops) rcu_assign_pointer(*list, ops); } -static int remove_ftrace_ops(struct ftrace_ops **list, struct ftrace_ops *ops) +static int remove_ftrace_ops(struct ftrace_ops __rcu **list, + struct ftrace_ops *ops) { struct ftrace_ops **p; @@ -368,7 +376,10 @@ static int remove_ftrace_ops(struct ftrace_ops **list, struct ftrace_ops *ops) * If we are removing the last function, then simply point * to the ftrace_stub. */ - if (*list == ops && ops->next == &ftrace_list_end) { + if (rcu_dereference_protected(*list, + lockdep_is_held(&ftrace_lock)) == ops && + rcu_dereference_protected(ops->next, + lockdep_is_held(&ftrace_lock)) == &ftrace_list_end) { *list = &ftrace_list_end; return 0; } @@ -1569,8 +1580,8 @@ ftrace_ops_test(struct ftrace_ops *ops, unsigned long ip, void *regs) return 0; #endif - hash.filter_hash = rcu_dereference_raw_notrace(ops->func_hash->filter_hash); - hash.notrace_hash = rcu_dereference_raw_notrace(ops->func_hash->notrace_hash); + rcu_assign_pointer(hash.filter_hash, ops->func_hash->filter_hash); + rcu_assign_pointer(hash.notrace_hash, ops->func_hash->notrace_hash); if (hash_contains_ip(ip, &hash)) ret = 1; @@ -2840,7 +2851,8 @@ static int ftrace_shutdown(struct ftrace_ops *ops, int command) * If there's no more ops registered with ftrace, run a * sanity check to make sure all rec flags are cleared. */ - if (ftrace_ops_list == &ftrace_list_end) { + if (rcu_dereference_protected(ftrace_ops_list, + lockdep_is_held(&ftrace_lock)) == &ftrace_list_end) { struct ftrace_page *pg; struct dyn_ftrace *rec; @@ -6453,7 +6465,8 @@ ftrace_enable_sysctl(struct ctl_table *table, int write, if (ftrace_enabled) { /* we are starting ftrace again */ - if (ftrace_ops_list != &ftrace_list_end) + if (rcu_dereference_protected(ftrace_ops_list, + lockdep_is_held(&ftrace_lock)) != &ftrace_list_end) update_ftrace_function(); ftrace_startup_sysctl(); diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 4ae268e687fe..529cc50d7243 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -1136,12 +1136,12 @@ static int __rb_allocate_pages(long nr_pages, struct list_head *pages, int cpu) for (i = 0; i < nr_pages; i++) { struct page *page; /* - * __GFP_NORETRY flag makes sure that the allocation fails - * gracefully without invoking oom-killer and the system is - * not destabilized. + * __GFP_RETRY_MAYFAIL flag makes sure that the allocation fails + * gracefully without invoking oom-killer and the system is not + * destabilized. */ bpage = kzalloc_node(ALIGN(sizeof(*bpage), cache_line_size()), - GFP_KERNEL | __GFP_NORETRY, + GFP_KERNEL | __GFP_RETRY_MAYFAIL, cpu_to_node(cpu)); if (!bpage) goto free_pages; @@ -1149,7 +1149,7 @@ static int __rb_allocate_pages(long nr_pages, struct list_head *pages, int cpu) list_add(&bpage->list, pages); page = alloc_pages_node(cpu_to_node(cpu), - GFP_KERNEL | __GFP_NORETRY, 0); + GFP_KERNEL | __GFP_RETRY_MAYFAIL, 0); if (!page) goto free_pages; bpage->page = page_address(page); diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 2d0ffcc49dba..42b9355033d4 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -7774,6 +7774,7 @@ static int instance_rmdir(const char *name) } kfree(tr->topts); + free_cpumask_var(tr->tracing_cpumask); kfree(tr->name); kfree(tr); diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 6ade1c55cc3a..490ba229931d 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -1210,9 +1210,9 @@ struct ftrace_event_field { struct event_filter { int n_preds; /* Number assigned */ int a_preds; /* allocated */ - struct filter_pred *preds; - struct filter_pred *root; - char *filter_string; + struct filter_pred __rcu *preds; + struct filter_pred __rcu *root; + char *filter_string; }; struct event_subsystem { diff --git a/mm/hugetlb.c b/mm/hugetlb.c index bc48ee783dd9..b97e6494d74d 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2083,7 +2083,9 @@ struct page *alloc_huge_page_noerr(struct vm_area_struct *vma, return page; } -int __weak alloc_bootmem_huge_page(struct hstate *h) +int alloc_bootmem_huge_page(struct hstate *h) + __attribute__ ((weak, alias("__alloc_bootmem_huge_page"))); +int __alloc_bootmem_huge_page(struct hstate *h) { struct huge_bootmem_page *m; int nr_nodes, node; diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index f0f3447e8aa4..861ae2a165f4 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -34,11 +34,11 @@ static struct lock_class_key bridge_netdev_addr_lock_key; netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) { struct net_bridge *br = netdev_priv(dev); - const unsigned char *dest = skb->data; struct net_bridge_fdb_entry *dst; struct net_bridge_mdb_entry *mdst; struct pcpu_sw_netstats *brstats = this_cpu_ptr(br->stats); const struct nf_br_ops *nf_ops; + const unsigned char *dest; u16 vid = 0; rcu_read_lock(); @@ -61,6 +61,7 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) if (!br_allowed_ingress(br, br_vlan_group_rcu(br), skb, &vid)) goto out; + dest = eth_hdr(skb)->h_dest; if (is_broadcast_ether_addr(dest)) { br_flood(br, skb, BR_PKT_BROADCAST, false, true); } else if (is_multicast_ether_addr(dest)) { diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c index 013f2290bfa5..7637f58c1226 100644 --- a/net/bridge/br_input.c +++ b/net/bridge/br_input.c @@ -131,11 +131,11 @@ static void br_do_proxy_arp(struct sk_buff *skb, struct net_bridge *br, int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb) { struct net_bridge_port *p = br_port_get_rcu(skb->dev); - const unsigned char *dest = eth_hdr(skb)->h_dest; enum br_pkt_type pkt_type = BR_PKT_UNICAST; struct net_bridge_fdb_entry *dst = NULL; struct net_bridge_mdb_entry *mdst; bool local_rcv, mcast_hit = false; + const unsigned char *dest; struct net_bridge *br; u16 vid = 0; @@ -153,6 +153,7 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb br_fdb_update(br, p, eth_hdr(skb)->h_source, vid, false); local_rcv = !!(br->dev->flags & IFF_PROMISC); + dest = eth_hdr(skb)->h_dest; if (is_multicast_ether_addr(dest)) { /* by definition the broadcast is also a multicast address */ if (is_broadcast_ether_addr(dest)) { diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 0c31035bbfee..b7cc615d42ef 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -3203,8 +3203,10 @@ static struct ceph_msg_data *ceph_msg_data_create(enum ceph_msg_data_type type) return NULL; data = kmem_cache_zalloc(ceph_msg_data_cache, GFP_NOFS); - if (data) - data->type = type; + if (!data) + return NULL; + + data->type = type; INIT_LIST_HEAD(&data->links); return data; diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 86a9737d8e3f..901bb8221366 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -5310,7 +5310,10 @@ static int invalidate_authorizer(struct ceph_connection *con) static void osd_reencode_message(struct ceph_msg *msg) { - encode_request_finish(msg); + int type = le16_to_cpu(msg->hdr.type); + + if (type == CEPH_MSG_OSD_OP) + encode_request_finish(msg); } static int osd_sign_message(struct ceph_msg *msg) diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index 864789c5974e..64ae9f89773a 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -338,7 +338,7 @@ static void crush_finalize(struct crush_map *c) static struct crush_map *crush_decode(void *pbyval, void *end) { struct crush_map *c; - int err = -EINVAL; + int err; int i, j; void **p = &pbyval; void *start = pbyval; @@ -407,7 +407,6 @@ static struct crush_map *crush_decode(void *pbyval, void *end) size = sizeof(struct crush_bucket_straw2); break; default: - err = -EINVAL; goto bad; } BUG_ON(size == 0); @@ -439,31 +438,31 @@ static struct crush_map *crush_decode(void *pbyval, void *end) err = crush_decode_uniform_bucket(p, end, (struct crush_bucket_uniform *)b); if (err < 0) - goto bad; + goto fail; break; case CRUSH_BUCKET_LIST: err = crush_decode_list_bucket(p, end, (struct crush_bucket_list *)b); if (err < 0) - goto bad; + goto fail; break; case CRUSH_BUCKET_TREE: err = crush_decode_tree_bucket(p, end, (struct crush_bucket_tree *)b); if (err < 0) - goto bad; + goto fail; break; case CRUSH_BUCKET_STRAW: err = crush_decode_straw_bucket(p, end, (struct crush_bucket_straw *)b); if (err < 0) - goto bad; + goto fail; break; case CRUSH_BUCKET_STRAW2: err = crush_decode_straw2_bucket(p, end, (struct crush_bucket_straw2 *)b); if (err < 0) - goto bad; + goto fail; break; } } @@ -474,7 +473,6 @@ static struct crush_map *crush_decode(void *pbyval, void *end) u32 yes; struct crush_rule *r; - err = -EINVAL; ceph_decode_32_safe(p, end, yes, bad); if (!yes) { dout("crush_decode NO rule %d off %x %p to %p\n", @@ -489,7 +487,6 @@ static struct crush_map *crush_decode(void *pbyval, void *end) /* len */ ceph_decode_32_safe(p, end, yes, bad); #if BITS_PER_LONG == 32 - err = -EINVAL; if (yes > (ULONG_MAX - sizeof(*r)) / sizeof(struct crush_rule_step)) goto bad; @@ -557,7 +554,7 @@ static struct crush_map *crush_decode(void *pbyval, void *end) if (*p != end) { err = decode_choose_args(p, end, c); if (err) - goto bad; + goto fail; } done: @@ -567,10 +564,14 @@ done: badmem: err = -ENOMEM; -bad: +fail: dout("crush_decode fail %d\n", err); crush_destroy(c); return ERR_PTR(err); + +bad: + err = -EINVAL; + goto fail; } int ceph_pg_compare(const struct ceph_pg *lhs, const struct ceph_pg *rhs) @@ -1399,7 +1400,7 @@ static struct ceph_pg_mapping *__decode_pg_upmap_items(void **p, void *end, return ERR_PTR(-EINVAL); ceph_decode_need(p, end, 2 * len * sizeof(u32), e_inval); - pg = kzalloc(sizeof(*pg) + 2 * len * sizeof(u32), GFP_NOIO); + pg = alloc_pg_mapping(2 * len * sizeof(u32)); if (!pg) return ERR_PTR(-ENOMEM); @@ -1544,7 +1545,7 @@ static int osdmap_decode(void **p, void *end, struct ceph_osdmap *map) if (struct_v >= 3) { /* erasure_code_profiles */ ceph_decode_skip_map_of_map(p, end, string, string, string, - bad); + e_inval); } if (struct_v >= 4) { @@ -1825,9 +1826,9 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, if (struct_v >= 3) { /* new_erasure_code_profiles */ ceph_decode_skip_map_of_map(p, end, string, string, string, - bad); + e_inval); /* old_erasure_code_profiles */ - ceph_decode_skip_set(p, end, string, bad); + ceph_decode_skip_set(p, end, string, e_inval); } if (struct_v >= 4) { diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c index 82fd4c9c4a1b..06b147d7d9e2 100644 --- a/net/core/dev_ioctl.c +++ b/net/core/dev_ioctl.c @@ -28,6 +28,7 @@ static int dev_ifname(struct net *net, struct ifreq __user *arg) if (copy_from_user(&ifr, arg, sizeof(struct ifreq))) return -EFAULT; + ifr.ifr_name[IFNAMSIZ-1] = 0; error = netdev_get_name(net, ifr.ifr_name, ifr.ifr_ifindex); if (error) @@ -424,6 +425,8 @@ int dev_ioctl(struct net *net, unsigned int cmd, void __user *arg) if (copy_from_user(&iwr, arg, sizeof(iwr))) return -EFAULT; + iwr.ifr_name[sizeof(iwr.ifr_name) - 1] = 0; + return wext_handle_ioctl(net, &iwr, cmd, arg); } diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index a0093e1b0235..fdcb1bcd2afa 100644 --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -400,6 +400,7 @@ int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr *nlh, err = -ENOMEM; goto errout; } + refcount_set(&rule->refcnt, 1); rule->fr_net = net; rule->pref = tb[FRA_PRIORITY] ? nla_get_u32(tb[FRA_PRIORITY]) @@ -517,8 +518,6 @@ int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr *nlh, last = r; } - refcount_set(&rule->refcnt, 1); - if (last) list_add_rcu(&rule->list, &last->list); else diff --git a/net/core/filter.c b/net/core/filter.c index c7f737058d89..f44fc22fd45a 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -2248,7 +2248,7 @@ static int bpf_skb_adjust_net(struct sk_buff *skb, s32 len_diff) bpf_skb_net_grow(skb, len_diff_abs); bpf_compute_data_end(skb); - return 0; + return ret; } BPF_CALL_4(bpf_skb_adjust_room, struct sk_buff *, skb, s32, len_diff, diff --git a/net/core/netpoll.c b/net/core/netpoll.c index d3408a693166..8357f164c660 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -277,7 +277,7 @@ static void zap_completion_queue(void) struct sk_buff *skb = clist; clist = clist->next; if (!skb_irq_freeable(skb)) { - refcount_inc(&skb->users); + refcount_set(&skb->users, 1); dev_kfree_skb_any(skb); /* put this one back */ } else { __kfree_skb(skb); diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index d1ba90980be1..9201e3621351 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -2031,7 +2031,8 @@ static int do_setlink(const struct sk_buff *skb, struct sockaddr *sa; int len; - len = sizeof(sa_family_t) + dev->addr_len; + len = sizeof(sa_family_t) + max_t(size_t, dev->addr_len, + sizeof(*sa)); sa = kmalloc(len, GFP_KERNEL); if (!sa) { err = -ENOMEM; @@ -4241,6 +4242,7 @@ static int rtnetlink_event(struct notifier_block *this, unsigned long event, voi switch (event) { case NETDEV_REBOOT: + case NETDEV_CHANGEADDR: case NETDEV_CHANGENAME: case NETDEV_FEAT_CHANGE: case NETDEV_BONDING_FAILOVER: diff --git a/net/dccp/input.c b/net/dccp/input.c index 4a05d7876850..fa6be9750bb4 100644 --- a/net/dccp/input.c +++ b/net/dccp/input.c @@ -126,7 +126,7 @@ static int dccp_rcv_closereq(struct sock *sk, struct sk_buff *skb) static u16 dccp_reset_code_convert(const u8 code) { - const u16 error_code[] = { + static const u16 error_code[] = { [DCCP_RESET_CODE_CLOSED] = 0, /* normal termination */ [DCCP_RESET_CODE_UNSPECIFIED] = 0, /* nothing known */ [DCCP_RESET_CODE_ABORTED] = ECONNRESET, diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index 4e678fa892dd..044d2a159a3c 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -1334,13 +1334,14 @@ static struct pernet_operations fib_net_ops = { void __init ip_fib_init(void) { - rtnl_register(PF_INET, RTM_NEWROUTE, inet_rtm_newroute, NULL, NULL); - rtnl_register(PF_INET, RTM_DELROUTE, inet_rtm_delroute, NULL, NULL); - rtnl_register(PF_INET, RTM_GETROUTE, NULL, inet_dump_fib, NULL); + fib_trie_init(); register_pernet_subsys(&fib_net_ops); + register_netdevice_notifier(&fib_netdev_notifier); register_inetaddr_notifier(&fib_inetaddr_notifier); - fib_trie_init(); + rtnl_register(PF_INET, RTM_NEWROUTE, inet_rtm_newroute, NULL, NULL); + rtnl_register(PF_INET, RTM_DELROUTE, inet_rtm_delroute, NULL, NULL); + rtnl_register(PF_INET, RTM_GETROUTE, NULL, inet_dump_fib, NULL); } diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 7eb252dcecee..50c74cd890bc 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -599,6 +599,7 @@ int ip_do_fragment(struct net *net, struct sock *sk, struct sk_buff *skb, hlen = iph->ihl * 4; mtu = mtu - hlen; /* Size of data space */ IPCB(skb)->flags |= IPSKB_FRAG_COMPLETE; + ll_rs = LL_RESERVED_SPACE(rt->dst.dev); /* When frag_list is given, use it. First, check its validity: * some transformers could create wrong frag_list or break existing @@ -614,14 +615,15 @@ int ip_do_fragment(struct net *net, struct sock *sk, struct sk_buff *skb, if (first_len - hlen > mtu || ((first_len - hlen) & 7) || ip_is_fragment(iph) || - skb_cloned(skb)) + skb_cloned(skb) || + skb_headroom(skb) < ll_rs) goto slow_path; skb_walk_frags(skb, frag) { /* Correct geometry. */ if (frag->len > mtu || ((frag->len & 7) && frag->next) || - skb_headroom(frag) < hlen) + skb_headroom(frag) < hlen + ll_rs) goto slow_path_clean; /* Partially cloned skb? */ @@ -711,8 +713,6 @@ slow_path: left = skb->len - hlen; /* Space per frame */ ptr = hlen; /* Where to start from */ - ll_rs = LL_RESERVED_SPACE(rt->dst.dev); - /* * Fragment the datagram. */ diff --git a/net/ipv4/netfilter/nf_tables_arp.c b/net/ipv4/netfilter/nf_tables_arp.c index 805c8ddfe860..4bbc273b45e8 100644 --- a/net/ipv4/netfilter/nf_tables_arp.c +++ b/net/ipv4/netfilter/nf_tables_arp.c @@ -72,8 +72,7 @@ static const struct nf_chain_type filter_arp = { .family = NFPROTO_ARP, .owner = THIS_MODULE, .hook_mask = (1 << NF_ARP_IN) | - (1 << NF_ARP_OUT) | - (1 << NF_ARP_FORWARD), + (1 << NF_ARP_OUT), }; static int __init nf_tables_arp_init(void) diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c index 0905cf04c2a4..03ad8778c395 100644 --- a/net/ipv4/syncookies.c +++ b/net/ipv4/syncookies.c @@ -335,6 +335,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb) treq->rcv_isn = ntohl(th->seq) - 1; treq->snt_isn = cookie; treq->ts_off = 0; + treq->txhash = net_tx_rndhash(); req->mss = mss; ireq->ir_num = ntohs(th->dest); ireq->ir_rmt_port = th->source; diff --git a/net/ipv4/tcp_bbr.c b/net/ipv4/tcp_bbr.c index dbcc9352a48f..69ee877574d0 100644 --- a/net/ipv4/tcp_bbr.c +++ b/net/ipv4/tcp_bbr.c @@ -112,7 +112,8 @@ struct bbr { cwnd_gain:10, /* current gain for setting cwnd */ full_bw_cnt:3, /* number of rounds without large bw gains */ cycle_idx:3, /* current index in pacing_gain cycle array */ - unused_b:6; + has_seen_rtt:1, /* have we seen an RTT sample yet? */ + unused_b:5; u32 prior_cwnd; /* prior cwnd upon entering loss recovery */ u32 full_bw; /* recent bw, to estimate if pipe is full */ }; @@ -211,6 +212,35 @@ static u64 bbr_rate_bytes_per_sec(struct sock *sk, u64 rate, int gain) return rate >> BW_SCALE; } +/* Convert a BBR bw and gain factor to a pacing rate in bytes per second. */ +static u32 bbr_bw_to_pacing_rate(struct sock *sk, u32 bw, int gain) +{ + u64 rate = bw; + + rate = bbr_rate_bytes_per_sec(sk, rate, gain); + rate = min_t(u64, rate, sk->sk_max_pacing_rate); + return rate; +} + +/* Initialize pacing rate to: high_gain * init_cwnd / RTT. */ +static void bbr_init_pacing_rate_from_rtt(struct sock *sk) +{ + struct tcp_sock *tp = tcp_sk(sk); + struct bbr *bbr = inet_csk_ca(sk); + u64 bw; + u32 rtt_us; + + if (tp->srtt_us) { /* any RTT sample yet? */ + rtt_us = max(tp->srtt_us >> 3, 1U); + bbr->has_seen_rtt = 1; + } else { /* no RTT sample yet */ + rtt_us = USEC_PER_MSEC; /* use nominal default RTT */ + } + bw = (u64)tp->snd_cwnd * BW_UNIT; + do_div(bw, rtt_us); + sk->sk_pacing_rate = bbr_bw_to_pacing_rate(sk, bw, bbr_high_gain); +} + /* Pace using current bw estimate and a gain factor. In order to help drive the * network toward lower queues while maintaining high utilization and low * latency, the average pacing rate aims to be slightly (~1%) lower than the @@ -220,12 +250,13 @@ static u64 bbr_rate_bytes_per_sec(struct sock *sk, u64 rate, int gain) */ static void bbr_set_pacing_rate(struct sock *sk, u32 bw, int gain) { + struct tcp_sock *tp = tcp_sk(sk); struct bbr *bbr = inet_csk_ca(sk); - u64 rate = bw; + u32 rate = bbr_bw_to_pacing_rate(sk, bw, gain); - rate = bbr_rate_bytes_per_sec(sk, rate, gain); - rate = min_t(u64, rate, sk->sk_max_pacing_rate); - if (bbr->mode != BBR_STARTUP || rate > sk->sk_pacing_rate) + if (unlikely(!bbr->has_seen_rtt && tp->srtt_us)) + bbr_init_pacing_rate_from_rtt(sk); + if (bbr_full_bw_reached(sk) || rate > sk->sk_pacing_rate) sk->sk_pacing_rate = rate; } @@ -798,7 +829,6 @@ static void bbr_init(struct sock *sk) { struct tcp_sock *tp = tcp_sk(sk); struct bbr *bbr = inet_csk_ca(sk); - u64 bw; bbr->prior_cwnd = 0; bbr->tso_segs_goal = 0; /* default segs per skb until first ACK */ @@ -814,11 +844,8 @@ static void bbr_init(struct sock *sk) minmax_reset(&bbr->bw, bbr->rtt_cnt, 0); /* init max bw to 0 */ - /* Initialize pacing rate to: high_gain * init_cwnd / RTT. */ - bw = (u64)tp->snd_cwnd * BW_UNIT; - do_div(bw, (tp->srtt_us >> 3) ? : USEC_PER_MSEC); - sk->sk_pacing_rate = 0; /* force an update of sk_pacing_rate */ - bbr_set_pacing_rate(sk, bw, bbr_high_gain); + bbr->has_seen_rtt = 0; + bbr_init_pacing_rate_from_rtt(sk); bbr->restore_cwnd = 0; bbr->round_start = 0; diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 25294d43e147..b057653ceca9 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1388,6 +1388,11 @@ void skb_consume_udp(struct sock *sk, struct sk_buff *skb, int len) unlock_sock_fast(sk, slow); } + /* we cleared the head states previously only if the skb lacks any IP + * options, see __udp_queue_rcv_skb(). + */ + if (unlikely(IPCB(skb)->opt.optlen > 0)) + skb_release_head_state(skb); consume_stateless_skb(skb); } EXPORT_SYMBOL_GPL(skb_consume_udp); @@ -1779,8 +1784,12 @@ static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) sk_mark_napi_id_once(sk, skb); } - /* clear all pending head states while they are hot in the cache */ - skb_release_head_state(skb); + /* At recvmsg() time we need skb->dst to process IP options-related + * cmsg, elsewhere can we clear all pending head states while they are + * hot in the cache + */ + if (likely(IPCB(skb)->opt.optlen == 0)) + skb_release_head_state(skb); rc = __udp_enqueue_schedule_skb(sk, skb); if (rc < 0) { diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c index e9065b8d3af8..abb2c307fbe8 100644 --- a/net/ipv6/output_core.c +++ b/net/ipv6/output_core.c @@ -78,7 +78,7 @@ EXPORT_SYMBOL(ipv6_select_ident); int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr) { - u16 offset = sizeof(struct ipv6hdr); + unsigned int offset = sizeof(struct ipv6hdr); unsigned int packet_len = skb_tail_pointer(skb) - skb_network_header(skb); int found_rhdr = 0; @@ -86,6 +86,7 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr) while (offset <= packet_len) { struct ipv6_opt_hdr *exthdr; + unsigned int len; switch (**nexthdr) { @@ -111,7 +112,10 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr) exthdr = (struct ipv6_opt_hdr *)(skb_network_header(skb) + offset); - offset += ipv6_optlen(exthdr); + len = ipv6_optlen(exthdr); + if (len + offset >= IPV6_MAXPLEN) + return -EINVAL; + offset += len; *nexthdr = &exthdr->nexthdr; } diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c index 7b75b0620730..4e7817abc0b9 100644 --- a/net/ipv6/syncookies.c +++ b/net/ipv6/syncookies.c @@ -216,6 +216,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb) treq->rcv_isn = ntohl(th->seq) - 1; treq->snt_isn = cookie; treq->ts_off = 0; + treq->txhash = net_tx_rndhash(); /* * We need to lookup the dst_entry to get the correct window size. diff --git a/net/netfilter/core.c b/net/netfilter/core.c index 552d606e57ca..974cf2a3795a 100644 --- a/net/netfilter/core.c +++ b/net/netfilter/core.c @@ -227,114 +227,6 @@ void nf_unregister_net_hooks(struct net *net, const struct nf_hook_ops *reg, } EXPORT_SYMBOL(nf_unregister_net_hooks); -static LIST_HEAD(nf_hook_list); - -static int _nf_register_hook(struct nf_hook_ops *reg) -{ - struct net *net, *last; - int ret; - - for_each_net(net) { - ret = nf_register_net_hook(net, reg); - if (ret && ret != -ENOENT) - goto rollback; - } - list_add_tail(®->list, &nf_hook_list); - - return 0; -rollback: - last = net; - for_each_net(net) { - if (net == last) - break; - nf_unregister_net_hook(net, reg); - } - return ret; -} - -int nf_register_hook(struct nf_hook_ops *reg) -{ - int ret; - - rtnl_lock(); - ret = _nf_register_hook(reg); - rtnl_unlock(); - - return ret; -} -EXPORT_SYMBOL(nf_register_hook); - -static void _nf_unregister_hook(struct nf_hook_ops *reg) -{ - struct net *net; - - list_del(®->list); - for_each_net(net) - nf_unregister_net_hook(net, reg); -} - -void nf_unregister_hook(struct nf_hook_ops *reg) -{ - rtnl_lock(); - _nf_unregister_hook(reg); - rtnl_unlock(); -} -EXPORT_SYMBOL(nf_unregister_hook); - -int nf_register_hooks(struct nf_hook_ops *reg, unsigned int n) -{ - unsigned int i; - int err = 0; - - for (i = 0; i < n; i++) { - err = nf_register_hook(®[i]); - if (err) - goto err; - } - return err; - -err: - if (i > 0) - nf_unregister_hooks(reg, i); - return err; -} -EXPORT_SYMBOL(nf_register_hooks); - -/* Caller MUST take rtnl_lock() */ -int _nf_register_hooks(struct nf_hook_ops *reg, unsigned int n) -{ - unsigned int i; - int err = 0; - - for (i = 0; i < n; i++) { - err = _nf_register_hook(®[i]); - if (err) - goto err; - } - return err; - -err: - if (i > 0) - _nf_unregister_hooks(reg, i); - return err; -} -EXPORT_SYMBOL(_nf_register_hooks); - -void nf_unregister_hooks(struct nf_hook_ops *reg, unsigned int n) -{ - while (n-- > 0) - nf_unregister_hook(®[n]); -} -EXPORT_SYMBOL(nf_unregister_hooks); - -/* Caller MUST take rtnl_lock */ -void _nf_unregister_hooks(struct nf_hook_ops *reg, unsigned int n) -{ - while (n-- > 0) - _nf_unregister_hook(®[n]); -} -EXPORT_SYMBOL(_nf_unregister_hooks); - /* Returns 1 if okfn() needs to be executed by the caller, * -EPERM for NF_DROP, 0 otherwise. Caller must hold rcu_read_lock. */ int nf_hook_slow(struct sk_buff *skb, struct nf_hook_state *state, @@ -450,40 +342,9 @@ void (*nf_nat_decode_session_hook)(struct sk_buff *, struct flowi *); EXPORT_SYMBOL(nf_nat_decode_session_hook); #endif -static int nf_register_hook_list(struct net *net) -{ - struct nf_hook_ops *elem; - int ret; - - rtnl_lock(); - list_for_each_entry(elem, &nf_hook_list, list) { - ret = nf_register_net_hook(net, elem); - if (ret && ret != -ENOENT) - goto out_undo; - } - rtnl_unlock(); - return 0; - -out_undo: - list_for_each_entry_continue_reverse(elem, &nf_hook_list, list) - nf_unregister_net_hook(net, elem); - rtnl_unlock(); - return ret; -} - -static void nf_unregister_hook_list(struct net *net) -{ - struct nf_hook_ops *elem; - - rtnl_lock(); - list_for_each_entry(elem, &nf_hook_list, list) - nf_unregister_net_hook(net, elem); - rtnl_unlock(); -} - static int __net_init netfilter_net_init(struct net *net) { - int i, h, ret; + int i, h; for (i = 0; i < ARRAY_SIZE(net->nf.hooks); i++) { for (h = 0; h < NF_MAX_HOOKS; h++) @@ -500,16 +361,12 @@ static int __net_init netfilter_net_init(struct net *net) return -ENOMEM; } #endif - ret = nf_register_hook_list(net); - if (ret) - remove_proc_entry("netfilter", net->proc_net); - return ret; + return 0; } static void __net_exit netfilter_net_exit(struct net *net) { - nf_unregister_hook_list(net); remove_proc_entry("netfilter", net->proc_net); } diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c index e03d16ed550d..899c2c36da13 100644 --- a/net/netfilter/nf_conntrack_expect.c +++ b/net/netfilter/nf_conntrack_expect.c @@ -422,7 +422,7 @@ static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect) h = nf_ct_expect_dst_hash(net, &expect->tuple); hlist_for_each_entry_safe(i, next, &nf_ct_expect_hash[h], hnode) { if (expect_matches(i, expect)) { - if (nf_ct_remove_expect(expect)) + if (nf_ct_remove_expect(i)) break; } else if (expect_clash(i, expect)) { ret = -EBUSY; diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c index 832c5a08d9a5..eb541786ccb7 100644 --- a/net/netfilter/nf_nat_core.c +++ b/net/netfilter/nf_nat_core.c @@ -222,20 +222,21 @@ find_appropriate_src(struct net *net, .tuple = tuple, .zone = zone }; - struct rhlist_head *hl; + struct rhlist_head *hl, *h; hl = rhltable_lookup(&nf_nat_bysource_table, &key, nf_nat_bysource_params); - if (!hl) - return 0; - ct = container_of(hl, typeof(*ct), nat_bysource); + rhl_for_each_entry_rcu(ct, h, hl, nat_bysource) { + nf_ct_invert_tuplepr(result, + &ct->tuplehash[IP_CT_DIR_REPLY].tuple); + result->dst = tuple->dst; - nf_ct_invert_tuplepr(result, - &ct->tuplehash[IP_CT_DIR_REPLY].tuple); - result->dst = tuple->dst; + if (in_range(l3proto, l4proto, result, range)) + return 1; + } - return in_range(l3proto, l4proto, result, range); + return 0; } /* For [FUTURE] fragmentation handling, we want the least-used diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index 92b05e188fd1..733d3e4a30d8 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -472,8 +472,7 @@ static void nfnetlink_rcv_skb_batch(struct sk_buff *skb, struct nlmsghdr *nlh) if (msglen > skb->len) msglen = skb->len; - if (nlh->nlmsg_len < NLMSG_HDRLEN || - skb->len < NLMSG_HDRLEN + sizeof(struct nfgenmsg)) + if (skb->len < NLMSG_HDRLEN + sizeof(struct nfgenmsg)) return; err = nla_parse(cda, NFNL_BATCH_MAX, attr, attrlen, nfnl_batch_policy, @@ -500,7 +499,8 @@ static void nfnetlink_rcv(struct sk_buff *skb) { struct nlmsghdr *nlh = nlmsg_hdr(skb); - if (nlh->nlmsg_len < NLMSG_HDRLEN || + if (skb->len < NLMSG_HDRLEN || + nlh->nlmsg_len < NLMSG_HDRLEN || skb->len < nlh->nlmsg_len) return; diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c index 08679ebb3068..e3c4c6c3fef7 100644 --- a/net/openvswitch/conntrack.c +++ b/net/openvswitch/conntrack.c @@ -629,6 +629,34 @@ ovs_ct_find_existing(struct net *net, const struct nf_conntrack_zone *zone, return ct; } +static +struct nf_conn *ovs_ct_executed(struct net *net, + const struct sw_flow_key *key, + const struct ovs_conntrack_info *info, + struct sk_buff *skb, + bool *ct_executed) +{ + struct nf_conn *ct = NULL; + + /* If no ct, check if we have evidence that an existing conntrack entry + * might be found for this skb. This happens when we lose a skb->_nfct + * due to an upcall, or if the direction is being forced. If the + * connection was not confirmed, it is not cached and needs to be run + * through conntrack again. + */ + *ct_executed = (key->ct_state & OVS_CS_F_TRACKED) && + !(key->ct_state & OVS_CS_F_INVALID) && + (key->ct_zone == info->zone.id); + + if (*ct_executed || (!key->ct_state && info->force)) { + ct = ovs_ct_find_existing(net, &info->zone, info->family, skb, + !!(key->ct_state & + OVS_CS_F_NAT_MASK)); + } + + return ct; +} + /* Determine whether skb->_nfct is equal to the result of conntrack lookup. */ static bool skb_nfct_cached(struct net *net, const struct sw_flow_key *key, @@ -637,24 +665,17 @@ static bool skb_nfct_cached(struct net *net, { enum ip_conntrack_info ctinfo; struct nf_conn *ct; + bool ct_executed = true; ct = nf_ct_get(skb, &ctinfo); - /* If no ct, check if we have evidence that an existing conntrack entry - * might be found for this skb. This happens when we lose a skb->_nfct - * due to an upcall. If the connection was not confirmed, it is not - * cached and needs to be run through conntrack again. - */ - if (!ct && key->ct_state & OVS_CS_F_TRACKED && - !(key->ct_state & OVS_CS_F_INVALID) && - key->ct_zone == info->zone.id) { - ct = ovs_ct_find_existing(net, &info->zone, info->family, skb, - !!(key->ct_state - & OVS_CS_F_NAT_MASK)); - if (ct) - nf_ct_get(skb, &ctinfo); - } if (!ct) + ct = ovs_ct_executed(net, key, info, skb, &ct_executed); + + if (ct) + nf_ct_get(skb, &ctinfo); + else return false; + if (!net_eq(net, read_pnet(&ct->ct_net))) return false; if (!nf_ct_zone_equal_any(info->ct, nf_ct_zone(ct))) @@ -679,7 +700,7 @@ static bool skb_nfct_cached(struct net *net, return false; } - return true; + return ct_executed; } #ifdef CONFIG_NF_NAT_NEEDED diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index e3beb28203eb..008bb34ee324 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -214,6 +214,7 @@ static void prb_clear_rxhash(struct tpacket_kbdq_core *, static void prb_fill_vlan_info(struct tpacket_kbdq_core *, struct tpacket3_hdr *); static void packet_flush_mclist(struct sock *sk); +static void packet_pick_tx_queue(struct net_device *dev, struct sk_buff *skb); struct packet_skb_cb { union { @@ -260,6 +261,7 @@ static int packet_direct_xmit(struct sk_buff *skb) if (skb != orig_skb) goto drop; + packet_pick_tx_queue(dev, skb); txq = skb_get_tx_queue(dev, skb); local_bh_disable(); @@ -2747,8 +2749,6 @@ tpacket_error: goto tpacket_error; } - packet_pick_tx_queue(dev, skb); - skb->destructor = tpacket_destruct_skb; __packet_set_status(po, ph, TP_STATUS_SENDING); packet_inc_pending(&po->tx_ring); @@ -2931,8 +2931,6 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len) skb->priority = sk->sk_priority; skb->mark = sockc.mark; - packet_pick_tx_queue(dev, skb); - if (po->has_vnet_hdr) { err = virtio_net_hdr_to_skb(skb, &vnet_hdr, vio_le()); if (err) diff --git a/net/rds/send.c b/net/rds/send.c index e81aa176f4e2..41b9f0f5bb9c 100644 --- a/net/rds/send.c +++ b/net/rds/send.c @@ -170,8 +170,8 @@ restart: * The acquire_in_xmit() check above ensures that only one * caller can increment c_send_gen at any time. */ - cp->cp_send_gen++; - send_gen = cp->cp_send_gen; + send_gen = READ_ONCE(cp->cp_send_gen) + 1; + WRITE_ONCE(cp->cp_send_gen, send_gen); /* * rds_conn_shutdown() sets the conn state and then tests RDS_IN_XMIT, @@ -431,7 +431,7 @@ over_batch: smp_mb(); if ((test_bit(0, &conn->c_map_queued) || !list_empty(&cp->cp_send_queue)) && - send_gen == cp->cp_send_gen) { + send_gen == READ_ONCE(cp->cp_send_gen)) { rds_stats_inc(s_send_lock_queue_raced); if (batch_count < send_batch_count) goto restart; diff --git a/net/sched/act_api.c b/net/sched/act_api.c index aed6cf2e9fd8..f2e9ed34a963 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -835,7 +835,7 @@ out_nlmsg_trim: } static int -act_get_notify(struct net *net, u32 portid, struct nlmsghdr *n, +tcf_get_notify(struct net *net, u32 portid, struct nlmsghdr *n, struct list_head *actions, int event) { struct sk_buff *skb; @@ -1018,7 +1018,7 @@ tca_action_gd(struct net *net, struct nlattr *nla, struct nlmsghdr *n, } if (event == RTM_GETACTION) - ret = act_get_notify(net, portid, n, &actions, event); + ret = tcf_get_notify(net, portid, n, &actions, event); else { /* delete */ ret = tcf_del_notify(net, n, &actions, portid); if (ret) diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 4e16b02ed832..6110447fe51d 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -228,7 +228,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc, sctp_adaptation_ind_param_t aiparam; sctp_supported_ext_param_t ext_param; int num_ext = 0; - __u8 extensions[3]; + __u8 extensions[4]; struct sctp_paramhdr *auth_chunks = NULL, *auth_hmacs = NULL; @@ -396,7 +396,7 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc, sctp_adaptation_ind_param_t aiparam; sctp_supported_ext_param_t ext_param; int num_ext = 0; - __u8 extensions[3]; + __u8 extensions[4]; struct sctp_paramhdr *auth_chunks = NULL, *auth_hmacs = NULL, *auth_random = NULL; diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index d5b54c020dec..4f154d388748 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -1624,6 +1624,8 @@ static void xs_tcp_state_change(struct sock *sk) if (test_and_clear_bit(XPRT_SOCK_CONNECTING, &transport->sock_state)) xprt_clear_connecting(xprt); + if (sk->sk_err) + xprt_wake_pending_tasks(xprt, -sk->sk_err); xs_sock_mark_closed(xprt); } out: diff --git a/scripts/parse-maintainers.pl b/scripts/parse-maintainers.pl new file mode 100644 index 000000000000..a0fe34349b24 --- /dev/null +++ b/scripts/parse-maintainers.pl @@ -0,0 +1,77 @@ +#!/usr/bin/perl -w + +use strict; + +my %map; + +# sort comparison function +sub by_category($$) { + my ($a, $b) = @_; + + $a = uc $a; + $b = uc $b; + + # This always sorts last + $a =~ s/THE REST/ZZZZZZ/g; + $b =~ s/THE REST/ZZZZZZ/g; + + $a cmp $b; +} + +sub alpha_output { + my $key; + my $sort_method = \&by_category; + my $sep = ""; + + foreach $key (sort $sort_method keys %map) { + if ($key ne " ") { + print $sep . $key . "\n"; + $sep = "\n"; + } + print $map{$key}; + } +} + +sub trim { + my $s = shift; + $s =~ s/\s+$//; + $s =~ s/^\s+//; + return $s; +} + +sub file_input { + my $lastline = ""; + my $case = " "; + $map{$case} = ""; + + while (<>) { + my $line = $_; + + # Pattern line? + if ($line =~ m/^([A-Z]):\s*(.*)/) { + $line = $1 . ":\t" . trim($2) . "\n"; + if ($lastline eq "") { + $map{$case} = $map{$case} . $line; + next; + } + $case = trim($lastline); + exists $map{$case} and die "Header '$case' already exists"; + $map{$case} = $line; + $lastline = ""; + next; + } + + if ($case eq " ") { + $map{$case} = $map{$case} . $lastline; + $lastline = $line; + next; + } + trim($lastline) eq "" or die ("Odd non-pattern line '$lastline' for '$case'"); + $lastline = $line; + } + $map{$case} = $map{$case} . $lastline; +} + +&file_input; +&alpha_output; +exit(0); diff --git a/security/keys/internal.h b/security/keys/internal.h index 91bc6214ae57..1c02c6547038 100644 --- a/security/keys/internal.h +++ b/security/keys/internal.h @@ -198,7 +198,7 @@ struct request_key_auth { void *callout_info; size_t callout_len; pid_t pid; -}; +} __randomize_layout; extern struct key_type key_type_request_key_auth; extern struct key *request_key_auth_new(struct key *target, diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index 7e0405e1651d..412a7c82995a 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -120,7 +120,7 @@ int bpf_load_program(enum bpf_prog_type type, const struct bpf_insn *insns, int bpf_verify_program(enum bpf_prog_type type, const struct bpf_insn *insns, size_t insns_cnt, int strict_alignment, const char *license, __u32 kern_version, - char *log_buf, size_t log_buf_sz) + char *log_buf, size_t log_buf_sz, int log_level) { union bpf_attr attr; @@ -131,7 +131,7 @@ int bpf_verify_program(enum bpf_prog_type type, const struct bpf_insn *insns, attr.license = ptr_to_u64(license); attr.log_buf = ptr_to_u64(log_buf); attr.log_size = log_buf_sz; - attr.log_level = 2; + attr.log_level = log_level; log_buf[0] = 0; attr.kern_version = kern_version; attr.prog_flags = strict_alignment ? BPF_F_STRICT_ALIGNMENT : 0; diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h index 16de44a14b48..418c86e69bcb 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -38,7 +38,7 @@ int bpf_load_program(enum bpf_prog_type type, const struct bpf_insn *insns, int bpf_verify_program(enum bpf_prog_type type, const struct bpf_insn *insns, size_t insns_cnt, int strict_alignment, const char *license, __u32 kern_version, - char *log_buf, size_t log_buf_sz); + char *log_buf, size_t log_buf_sz, int log_level); int bpf_map_update_elem(int fd, const void *key, const void *value, __u64 flags); diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c index a4d3762cd825..83874b0e266c 100644 --- a/tools/perf/ui/browser.c +++ b/tools/perf/ui/browser.c @@ -704,7 +704,7 @@ static void __ui_browser__line_arrow_down(struct ui_browser *browser, ui_browser__gotorc(browser, row, column + 1); SLsmg_draw_hline(2); - if (row++ == 0) + if (++row == 0) goto out; } else row = 0; diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 87b431886670..413f74df08de 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -273,7 +273,7 @@ struct perf_evsel *perf_evsel__new_cycles(void) struct perf_event_attr attr = { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES, - .exclude_kernel = 1, + .exclude_kernel = geteuid() != 0, }; struct perf_evsel *evsel; @@ -298,8 +298,10 @@ struct perf_evsel *perf_evsel__new_cycles(void) goto out; /* use asprintf() because free(evsel) assumes name is allocated */ - if (asprintf(&evsel->name, "cycles%.*s", - attr.precise_ip ? attr.precise_ip + 1 : 0, ":ppp") < 0) + if (asprintf(&evsel->name, "cycles%s%s%.*s", + (attr.precise_ip || attr.exclude_kernel) ? ":" : "", + attr.exclude_kernel ? "u" : "", + attr.precise_ip ? attr.precise_ip + 1 : 0, "ppp") < 0) goto error_free; out: return evsel; diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 5de2b86b9880..2e9eb6aa3ce2 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -2209,7 +2209,7 @@ int machine__get_kernel_start(struct machine *machine) machine->kernel_start = 1ULL << 63; if (map) { err = map__load(map); - if (map->start) + if (!err) machine->kernel_start = map->start; } return err; diff --git a/tools/testing/selftests/bpf/test_align.c b/tools/testing/selftests/bpf/test_align.c index bccebd935907..29793694cbc7 100644 --- a/tools/testing/selftests/bpf/test_align.c +++ b/tools/testing/selftests/bpf/test_align.c @@ -380,7 +380,7 @@ static int do_test_single(struct bpf_align_test *test) prog_len = probe_filter_length(prog); fd_prog = bpf_verify_program(prog_type ? : BPF_PROG_TYPE_SOCKET_FILTER, prog, prog_len, 1, "GPL", 0, - bpf_vlog, sizeof(bpf_vlog)); + bpf_vlog, sizeof(bpf_vlog), 2); if (fd_prog < 0) { printf("Failed to load program.\n"); printf("%s", bpf_vlog); diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c index 404aec520812..af7d173910f4 100644 --- a/tools/testing/selftests/bpf/test_verifier.c +++ b/tools/testing/selftests/bpf/test_verifier.c @@ -4969,7 +4969,7 @@ static struct bpf_test tests[] = { BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, sizeof(struct test_val), 4), BPF_MOV64_IMM(BPF_REG_4, 0), - BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2), + BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2), BPF_MOV64_IMM(BPF_REG_3, 0), BPF_EMIT_CALL(BPF_FUNC_probe_read), BPF_MOV64_IMM(BPF_REG_0, 0), @@ -4995,7 +4995,7 @@ static struct bpf_test tests[] = { BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, sizeof(struct test_val) + 1, 4), BPF_MOV64_IMM(BPF_REG_4, 0), - BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2), + BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2), BPF_MOV64_IMM(BPF_REG_3, 0), BPF_EMIT_CALL(BPF_FUNC_probe_read), BPF_MOV64_IMM(BPF_REG_0, 0), @@ -5023,7 +5023,7 @@ static struct bpf_test tests[] = { BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, sizeof(struct test_val) - 20, 4), BPF_MOV64_IMM(BPF_REG_4, 0), - BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2), + BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2), BPF_MOV64_IMM(BPF_REG_3, 0), BPF_EMIT_CALL(BPF_FUNC_probe_read), BPF_MOV64_IMM(BPF_REG_0, 0), @@ -5050,7 +5050,7 @@ static struct bpf_test tests[] = { BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, sizeof(struct test_val) - 19, 4), BPF_MOV64_IMM(BPF_REG_4, 0), - BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2), + BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2), BPF_MOV64_IMM(BPF_REG_3, 0), BPF_EMIT_CALL(BPF_FUNC_probe_read), BPF_MOV64_IMM(BPF_REG_0, 0), @@ -5510,6 +5510,476 @@ static struct bpf_test tests[] = { .errstr = "invalid bpf_context access", .prog_type = BPF_PROG_TYPE_LWT_IN, }, + { + "bounds checks mixing signed and unsigned, positive bounds", + .insns = { + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, + BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), + BPF_MOV64_IMM(BPF_REG_2, 2), + BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 3), + BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 4, 2), + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), + BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map1 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "R0 min value is negative", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "bounds checks mixing signed and unsigned", + .insns = { + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, + BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), + BPF_MOV64_IMM(BPF_REG_2, -1), + BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3), + BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), + BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map1 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "R0 min value is negative", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "bounds checks mixing signed and unsigned, variant 2", + .insns = { + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, + BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), + BPF_MOV64_IMM(BPF_REG_2, -1), + BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 5), + BPF_MOV64_IMM(BPF_REG_8, 0), + BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_1), + BPF_JMP_IMM(BPF_JSGT, BPF_REG_8, 1, 2), + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8), + BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map1 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "R8 invalid mem access 'inv'", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "bounds checks mixing signed and unsigned, variant 3", + .insns = { + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, + BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), + BPF_MOV64_IMM(BPF_REG_2, -1), + BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 4), + BPF_MOV64_REG(BPF_REG_8, BPF_REG_1), + BPF_JMP_IMM(BPF_JSGT, BPF_REG_8, 1, 2), + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8), + BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map1 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "R8 invalid mem access 'inv'", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "bounds checks mixing signed and unsigned, variant 4", + .insns = { + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, + BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), + BPF_MOV64_IMM(BPF_REG_2, 1), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), + BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map1 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "R0 min value is negative", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "bounds checks mixing signed and unsigned, variant 5", + .insns = { + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, + BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), + BPF_MOV64_IMM(BPF_REG_2, -1), + BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 5), + BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 4), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 4), + BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1), + BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map1 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "R0 invalid mem access", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "bounds checks mixing signed and unsigned, variant 6", + .insns = { + BPF_MOV64_IMM(BPF_REG_2, 0), + BPF_MOV64_REG(BPF_REG_3, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -512), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -16), + BPF_MOV64_IMM(BPF_REG_6, -1), + BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_6, 5), + BPF_JMP_IMM(BPF_JSGT, BPF_REG_4, 1, 4), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 1), + BPF_MOV64_IMM(BPF_REG_5, 0), + BPF_ST_MEM(BPF_H, BPF_REG_10, -512, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, + BPF_FUNC_skb_load_bytes), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .errstr_unpriv = "R4 min value is negative, either use unsigned", + .errstr = "R4 min value is negative, either use unsigned", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "bounds checks mixing signed and unsigned, variant 7", + .insns = { + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, + BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), + BPF_MOV64_IMM(BPF_REG_2, 1024 * 1024 * 1024), + BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3), + BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), + BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map1 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "R0 min value is negative", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "bounds checks mixing signed and unsigned, variant 8", + .insns = { + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, + BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), + BPF_MOV64_IMM(BPF_REG_2, 1024 * 1024 * 1024 + 1), + BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3), + BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), + BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map1 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "R0 min value is negative", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "bounds checks mixing signed and unsigned, variant 9", + .insns = { + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, + BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), + BPF_MOV64_IMM(BPF_REG_2, -1), + BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), + BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map1 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "R0 min value is negative", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "bounds checks mixing signed and unsigned, variant 10", + .insns = { + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, + BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), + BPF_LD_IMM64(BPF_REG_2, -9223372036854775808ULL), + BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), + BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map1 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "R0 min value is negative", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "bounds checks mixing signed and unsigned, variant 11", + .insns = { + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, + BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), + BPF_MOV64_IMM(BPF_REG_2, 0), + BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), + BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map1 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "R0 min value is negative", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "bounds checks mixing signed and unsigned, variant 12", + .insns = { + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, + BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), + BPF_MOV64_IMM(BPF_REG_2, -1), + BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2), + /* Dead branch. */ + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), + BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map1 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "R0 min value is negative", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "bounds checks mixing signed and unsigned, variant 13", + .insns = { + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, + BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), + BPF_MOV64_IMM(BPF_REG_2, -6), + BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), + BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map1 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "R0 min value is negative", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "bounds checks mixing signed and unsigned, variant 14", + .insns = { + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, + BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), + BPF_MOV64_IMM(BPF_REG_2, 2), + BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2), + BPF_MOV64_IMM(BPF_REG_7, 1), + BPF_JMP_IMM(BPF_JSGT, BPF_REG_7, 0, 2), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_1), + BPF_JMP_IMM(BPF_JSGT, BPF_REG_7, 4, 2), + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_7), + BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map1 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "R0 min value is negative", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "bounds checks mixing signed and unsigned, variant 15", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1, + offsetof(struct __sk_buff, mark)), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, + BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), + BPF_MOV64_IMM(BPF_REG_2, -1), + BPF_MOV64_IMM(BPF_REG_8, 2), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_9, 42, 6), + BPF_JMP_REG(BPF_JSGT, BPF_REG_8, BPF_REG_1, 3), + BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), + BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, -3), + BPF_JMP_IMM(BPF_JA, 0, 0, -7), + }, + .fixup_map1 = { 4 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "R0 min value is negative", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "bounds checks mixing signed and unsigned, variant 16", + .insns = { + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, + BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), + BPF_MOV64_IMM(BPF_REG_2, -6), + BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), + BPF_JMP_IMM(BPF_JGT, BPF_REG_0, 1, 2), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map1 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "R0 min value is negative", + .result = REJECT, + .result_unpriv = REJECT, + }, }; static int probe_filter_length(const struct bpf_insn *fp) @@ -5633,7 +6103,7 @@ static void do_test_single(struct bpf_test *test, bool unpriv, fd_prog = bpf_verify_program(prog_type ? : BPF_PROG_TYPE_SOCKET_FILTER, prog, prog_len, test->flags & F_LOAD_WITH_STRICT_ALIGNMENT, - "GPL", 0, bpf_vlog, sizeof(bpf_vlog)); + "GPL", 0, bpf_vlog, sizeof(bpf_vlog), 1); expected_ret = unpriv && test->result_unpriv != UNDEF ? test->result_unpriv : test->result; diff --git a/tools/testing/selftests/powerpc/tm/Makefile b/tools/testing/selftests/powerpc/tm/Makefile index 958c11c14acd..7bfcd454fb2a 100644 --- a/tools/testing/selftests/powerpc/tm/Makefile +++ b/tools/testing/selftests/powerpc/tm/Makefile @@ -15,6 +15,7 @@ $(OUTPUT)/tm-syscall: tm-syscall-asm.S $(OUTPUT)/tm-syscall: CFLAGS += -I../../../../../usr/include $(OUTPUT)/tm-tmspr: CFLAGS += -pthread $(OUTPUT)/tm-vmx-unavail: CFLAGS += -pthread -m64 +$(OUTPUT)/tm-resched-dscr: ../pmu/lib.o SIGNAL_CONTEXT_CHK_TESTS := $(patsubst %,$(OUTPUT)/%,$(SIGNAL_CONTEXT_CHK_TESTS)) $(SIGNAL_CONTEXT_CHK_TESTS): tm-signal.S diff --git a/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c b/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c index e79ccd6aada1..a7ac2e4c60d9 100644 --- a/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c +++ b/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c @@ -30,6 +30,7 @@ #include "utils.h" #include "tm.h" +#include "../pmu/lib.h" #define SPRN_DSCR 0x03 @@ -75,8 +76,6 @@ int test_body(void) ); assert(rv); /* make sure the transaction aborted */ if ((texasr >> 56) != TM_CAUSE_RESCHED) { - putchar('.'); - fflush(stdout); continue; } if (dscr2 != dscr1) { @@ -89,7 +88,12 @@ int test_body(void) } } -int main(void) +static int tm_resched_dscr(void) { - return test_harness(test_body, "tm_resched_dscr"); + return eat_cpu(test_body); +} + +int main(int argc, const char *argv[]) +{ + return test_harness(tm_resched_dscr, "tm_resched_dscr"); } |