aboutsummaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorRobert Richter <robert.richter@amd.com>2009-06-10 21:47:10 +0200
committerRobert Richter <robert.richter@amd.com>2009-06-10 21:47:10 +0200
commit0886751c5d8b19fcee2e65d34ae21c9111e652a9 (patch)
tree015e8c2b3d44d46e9e8fccd016340c51bc876d3b /drivers
parentoprofile: introduce module_param oprofile.cpu_type (diff)
parentLinux 2.6.30 (diff)
downloadlinux-dev-0886751c5d8b19fcee2e65d34ae21c9111e652a9.tar.xz
linux-dev-0886751c5d8b19fcee2e65d34ae21c9111e652a9.zip
Merge commit 'v2.6.30' into oprofile/master
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/acpica/Makefile27
-rw-r--r--drivers/acpi/acpica/aclocal.h7
-rw-r--r--drivers/acpi/acpica/rscalc.c7
-rw-r--r--drivers/acpi/bus.c2
-rw-r--r--drivers/acpi/pci_bind.c24
-rw-r--r--drivers/acpi/processor_core.c2
-rw-r--r--drivers/acpi/processor_idle.c50
-rw-r--r--drivers/acpi/processor_perflib.c12
-rw-r--r--drivers/acpi/processor_throttling.c25
-rw-r--r--drivers/acpi/video.c56
-rw-r--r--drivers/ata/ahci.c72
-rw-r--r--drivers/ata/ata_piix.c27
-rw-r--r--drivers/ata/libata-core.c4
-rw-r--r--drivers/ata/libata-eh.c34
-rw-r--r--drivers/ata/libata-scsi.c38
-rw-r--r--drivers/ata/pata_ali.c17
-rw-r--r--drivers/ata/pata_efar.c17
-rw-r--r--drivers/ata/pata_legacy.c2
-rw-r--r--drivers/ata/pata_netcell.c13
-rw-r--r--drivers/ata/pata_pdc202xx_old.c6
-rw-r--r--drivers/ata/sata_fsl.c15
-rw-r--r--drivers/ata/sata_mv.c69
-rw-r--r--drivers/ata/sata_sx4.c180
-rw-r--r--drivers/base/bus.c4
-rw-r--r--drivers/base/core.c5
-rw-r--r--drivers/base/driver.c4
-rw-r--r--drivers/base/iommu.c2
-rw-r--r--drivers/base/platform.c22
-rw-r--r--drivers/base/power/main.c4
-rw-r--r--drivers/block/xen-blkfront.c10
-rw-r--r--drivers/cdrom/viocd.c2
-rw-r--r--drivers/char/ipmi/ipmi_msghandler.c13
-rw-r--r--drivers/char/mem.c3
-rw-r--r--drivers/char/mxser.c2
-rw-r--r--drivers/char/random.c19
-rw-r--r--drivers/char/sysrq.c4
-rw-r--r--drivers/char/tpm/tpm_bios.c3
-rw-r--r--drivers/char/vt_ioctl.c6
-rw-r--r--drivers/cpufreq/cpufreq.c6
-rw-r--r--drivers/cpufreq/cpufreq_conservative.c5
-rw-r--r--drivers/cpufreq/cpufreq_ondemand.c5
-rw-r--r--drivers/crypto/ixp4xx_crypto.c33
-rw-r--r--drivers/crypto/padlock-aes.c2
-rw-r--r--drivers/dma/dmaengine.c17
-rw-r--r--drivers/dma/dmatest.c4
-rw-r--r--drivers/dma/fsldma.c71
-rw-r--r--drivers/dma/ioat_dma.c47
-rw-r--r--drivers/dma/ipu/ipu_idmac.c7
-rw-r--r--drivers/edac/Kconfig8
-rw-r--r--drivers/edac/Makefile2
-rw-r--r--drivers/edac/amd8111_edac.c4
-rw-r--r--drivers/edac/amd8131_edac.c2
-rw-r--r--drivers/firmware/iscsi_ibft.c4
-rw-r--r--drivers/gpu/drm/Kconfig9
-rw-r--r--drivers/gpu/drm/drm_bufs.c8
-rw-r--r--drivers/gpu/drm/drm_crtc.c7
-rw-r--r--drivers/gpu/drm/drm_crtc_helper.c128
-rw-r--r--drivers/gpu/drm/drm_drv.c5
-rw-r--r--drivers/gpu/drm/drm_edid.c5
-rw-r--r--drivers/gpu/drm/drm_irq.c8
-rw-r--r--drivers/gpu/drm/drm_stub.c15
-rw-r--r--drivers/gpu/drm/drm_sysfs.c9
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c25
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h14
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c77
-rw-r--r--drivers/gpu/drm/i915/i915_gem_tiling.c14
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h21
-rw-r--r--drivers/gpu/drm/i915/i915_suspend.c24
-rw-r--r--drivers/gpu/drm/i915/intel_bios.c102
-rw-r--r--drivers/gpu/drm/i915/intel_bios.h17
-rw-r--r--drivers/gpu/drm/i915/intel_crt.c157
-rw-r--r--drivers/gpu/drm/i915/intel_display.c57
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h4
-rw-r--r--drivers/gpu/drm/i915/intel_dvo.c1
-rw-r--r--drivers/gpu/drm/i915/intel_fb.c4
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c18
-rw-r--r--drivers/gpu/drm/i915/intel_i2c.c17
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c64
-rw-r--r--drivers/gpu/drm/i915/intel_modes.c6
-rw-r--r--drivers/gpu/drm/i915/intel_sdvo.c138
-rw-r--r--drivers/gpu/drm/i915/intel_tv.c1
-rw-r--r--drivers/gpu/drm/r128/r128_cce.c6
-rw-r--r--drivers/gpu/drm/radeon/radeon_cp.c4
-rw-r--r--drivers/gpu/drm/radeon/radeon_drv.h8
-rw-r--r--drivers/hid/hid-apple.c2
-rw-r--r--drivers/hid/hid-core.c4
-rw-r--r--drivers/hid/hid-ids.h6
-rw-r--r--drivers/hid/hid-lg.c2
-rw-r--r--drivers/hid/hidraw.c12
-rw-r--r--drivers/hid/usbhid/hid-core.c4
-rw-r--r--drivers/hid/usbhid/hid-quirks.c3
-rw-r--r--drivers/hwmon/asus_atk0110.c2
-rw-r--r--drivers/hwmon/lm78.c2
-rw-r--r--drivers/hwmon/w83781d.c3
-rw-r--r--drivers/i2c/algos/i2c-algo-bit.c2
-rw-r--r--drivers/i2c/algos/i2c-algo-pca.c11
-rw-r--r--drivers/i2c/busses/Kconfig2
-rw-r--r--drivers/i2c/busses/i2c-ali1535.c2
-rw-r--r--drivers/i2c/busses/i2c-ali15x3.c2
-rw-r--r--drivers/i2c/busses/i2c-amd756.c4
-rw-r--r--drivers/i2c/busses/i2c-cpm.c16
-rw-r--r--drivers/i2c/busses/i2c-i801.c8
-rw-r--r--drivers/i2c/busses/i2c-isch.c2
-rw-r--r--drivers/i2c/busses/i2c-mpc.c34
-rw-r--r--drivers/i2c/busses/i2c-nforce2.c2
-rw-r--r--drivers/i2c/busses/i2c-pxa.c6
-rw-r--r--drivers/i2c/busses/i2c-sis5595.c2
-rw-r--r--drivers/i2c/busses/i2c-sis630.c2
-rw-r--r--drivers/i2c/busses/i2c-sis96x.c2
-rw-r--r--drivers/ide/icside.c2
-rw-r--r--drivers/ide/ide-cd.c9
-rw-r--r--drivers/ide/ide-io.c4
-rw-r--r--drivers/ide/ide-iops.c21
-rw-r--r--drivers/ide/ide-lib.c27
-rw-r--r--drivers/ide/ide-pci-generic.c11
-rw-r--r--drivers/ide/ide-probe.c9
-rw-r--r--drivers/ide/ide-tape.c6
-rw-r--r--drivers/ide/pdc202xx_old.c22
-rw-r--r--drivers/ide/piix.c1
-rw-r--r--drivers/ide/via82cxxx.c2
-rw-r--r--drivers/idle/i7300_idle.c6
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_hal.c1
-rw-r--r--drivers/infiniband/hw/ipath/ipath_fs.c2
-rw-r--r--drivers/infiniband/hw/mlx4/mlx4_ib.h1
-rw-r--r--drivers/infiniband/hw/mlx4/mr.c10
-rw-r--r--drivers/infiniband/hw/mlx4/qp.c2
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.c1
-rw-r--r--drivers/input/ff-memless.c2
-rw-r--r--drivers/input/input.c37
-rw-r--r--drivers/input/joydev.c8
-rw-r--r--drivers/input/keyboard/atkbd.c16
-rw-r--r--drivers/input/keyboard/omap-keypad.c16
-rw-r--r--drivers/input/mouse/alps.c1
-rw-r--r--drivers/input/mouse/appletouch.c24
-rw-r--r--drivers/input/mouse/bcm5974.c108
-rw-r--r--drivers/input/mouse/elantech.c48
-rw-r--r--drivers/input/mouse/elantech.h5
-rw-r--r--drivers/input/mouse/lifebook.c6
-rw-r--r--drivers/input/serio/ambakmi.c2
-rw-r--r--drivers/input/serio/libps2.c2
-rw-r--r--drivers/input/serio/sa1111ps2.c2
-rw-r--r--drivers/input/tablet/wacom.h5
-rw-r--r--drivers/input/tablet/wacom_sys.c13
-rw-r--r--drivers/input/touchscreen/tsc2007.c7
-rw-r--r--drivers/input/touchscreen/ucb1400_ts.c4
-rw-r--r--drivers/isdn/capi/capifs.c11
-rw-r--r--drivers/isdn/gigaset/isocdata.c2
-rw-r--r--drivers/lguest/x86/core.c19
-rw-r--r--drivers/md/bitmap.c42
-rw-r--r--drivers/md/md.c101
-rw-r--r--drivers/md/raid10.c12
-rw-r--r--drivers/md/raid5.c34
-rw-r--r--drivers/media/radio/radio-sf16fmi.c2
-rw-r--r--drivers/media/radio/radio-sf16fmr2.c2
-rw-r--r--drivers/media/video/cafe_ccic.c1
-rw-r--r--drivers/media/video/cx23885/cx23885-dvb.c2
-rw-r--r--drivers/media/video/ivtv/ivtv-driver.c9
-rw-r--r--drivers/media/video/ivtv/ivtv-gpio.c4
-rw-r--r--drivers/media/video/ivtv/ivtv-ioctl.c5
-rw-r--r--drivers/media/video/ivtv/ivtv-irq.c2
-rw-r--r--drivers/media/video/ivtv/ivtv-queue.c3
-rw-r--r--drivers/media/video/ivtv/ivtv-yuv.c3
-rw-r--r--drivers/media/video/ivtv/ivtvfb.c3
-rw-r--r--drivers/media/video/uvc/uvc_driver.c9
-rw-r--r--drivers/media/video/uvc/uvc_video.c2
-rw-r--r--drivers/media/video/v4l2-ioctl.c45
-rw-r--r--drivers/media/video/zoran/zoran_driver.c28
-rw-r--r--drivers/mfd/pcf50633-core.c2
-rw-r--r--drivers/mfd/wm8350-core.c8
-rw-r--r--drivers/misc/enclosure.c6
-rw-r--r--drivers/misc/isl29003.c9
-rw-r--r--drivers/mmc/card/block.c8
-rw-r--r--drivers/mmc/core/core.c4
-rw-r--r--drivers/mmc/host/mmci.c4
-rw-r--r--drivers/mmc/host/mvsdio.c46
-rw-r--r--drivers/mmc/host/mxcmmc.c47
-rw-r--r--drivers/mmc/host/omap.c4
-rw-r--r--drivers/mmc/host/omap_hsmmc.c2
-rw-r--r--drivers/mmc/host/sdhci-of.c9
-rw-r--r--drivers/mmc/host/sdhci-pci.c8
-rw-r--r--drivers/mmc/host/sdhci.h2
-rw-r--r--drivers/mtd/devices/m25p80.c26
-rw-r--r--drivers/mtd/devices/mtd_dataflash.c2
-rw-r--r--drivers/mtd/mtdcore.c18
-rw-r--r--drivers/mtd/mtdsuper.c3
-rw-r--r--drivers/mtd/nand/davinci_nand.c7
-rw-r--r--drivers/mtd/nand/mxc_nand.c43
-rw-r--r--drivers/net/3c509.c4
-rw-r--r--drivers/net/Makefile2
-rw-r--r--drivers/net/arm/ixp4xx_eth.c31
-rw-r--r--drivers/net/atl1e/atl1e_main.c1
-rw-r--r--drivers/net/atlx/atl1.c6
-rw-r--r--drivers/net/atlx/atlx.h6
-rw-r--r--drivers/net/benet/be.h14
-rw-r--r--drivers/net/benet/be_main.c10
-rw-r--r--drivers/net/bfin_mac.c29
-rw-r--r--drivers/net/bnx2.c6
-rw-r--r--drivers/net/bonding/bond_3ad.c11
-rw-r--r--drivers/net/bonding/bond_alb.c12
-rw-r--r--drivers/net/bonding/bond_main.c44
-rw-r--r--drivers/net/cxgb3/adapter.h4
-rw-r--r--drivers/net/cxgb3/cxgb3_main.c8
-rw-r--r--drivers/net/cxgb3/sge.c11
-rw-r--r--drivers/net/cxgb3/t3_hw.c7
-rw-r--r--drivers/net/e1000/e1000_main.c7
-rw-r--r--drivers/net/ehea/ehea.h2
-rw-r--r--drivers/net/ehea/ehea_main.c31
-rw-r--r--drivers/net/forcedeth.c15
-rw-r--r--drivers/net/gianfar.c11
-rw-r--r--drivers/net/gianfar.h2
-rw-r--r--drivers/net/igb/igb_main.c12
-rw-r--r--drivers/net/mac8390.c12
-rw-r--r--drivers/net/meth.c27
-rw-r--r--drivers/net/mlx4/en_cq.c4
-rw-r--r--drivers/net/mlx4/en_rx.c1
-rw-r--r--drivers/net/mlx4/en_tx.c8
-rw-r--r--drivers/net/mv643xx_eth.c65
-rw-r--r--drivers/net/ne2k-pci.c7
-rw-r--r--drivers/net/netconsole.c11
-rw-r--r--drivers/net/r8169.c113
-rw-r--r--drivers/net/usb/Kconfig14
-rw-r--r--drivers/net/usb/Makefile1
-rw-r--r--drivers/net/usb/cdc_eem.c381
-rw-r--r--drivers/net/usb/smsc95xx.c15
-rw-r--r--drivers/net/usb/smsc95xx.h3
-rw-r--r--drivers/net/virtio_net.c24
-rw-r--r--drivers/net/vxge/vxge-traffic.c2
-rw-r--r--drivers/net/wan/ixp4xx_hss.c4
-rw-r--r--drivers/net/wimax/i2400m/rx.c5
-rw-r--r--drivers/net/wimax/i2400m/usb.c35
-rw-r--r--drivers/net/wireless/Kconfig1
-rw-r--r--drivers/net/wireless/airo.c21
-rw-r--r--drivers/net/wireless/at76c50x-usb.c12
-rw-r--r--drivers/net/wireless/ath5k/base.c22
-rw-r--r--drivers/net/wireless/ath5k/debug.c2
-rw-r--r--drivers/net/wireless/ath5k/phy.c49
-rw-r--r--drivers/net/wireless/ath5k/reset.c8
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-5000.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-6000.c8
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c9
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-scan.c11
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-sta.c21
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c11
-rw-r--r--drivers/net/wireless/rndis_wlan.c14
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00debug.c2
-rw-r--r--drivers/net/wireless/rtl818x/rtl8187.h57
-rw-r--r--drivers/net/wireless/rtl818x/rtl8187_dev.c15
-rw-r--r--drivers/net/wireless/rtl818x/rtl8187_rtl8225.c8
-rw-r--r--drivers/parport/parport_gsc.c4
-rw-r--r--drivers/parport/share.c13
-rw-r--r--drivers/pci/hotplug/acpiphp.h1
-rw-r--r--drivers/pci/hotplug/acpiphp_glue.c63
-rw-r--r--drivers/pci/intel-iommu.c13
-rw-r--r--drivers/pci/msi.c8
-rw-r--r--drivers/pci/pci.c3
-rw-r--r--drivers/pci/pcie/aer/aerdrv.h3
-rw-r--r--drivers/pci/pcie/portdrv_pci.c2
-rw-r--r--drivers/pci/probe.c2
-rw-r--r--drivers/platform/x86/asus-laptop.c6
-rw-r--r--drivers/platform/x86/eeepc-laptop.c47
-rw-r--r--drivers/pnp/pnpacpi/core.c8
-rw-r--r--drivers/regulator/da903x.c2
-rw-r--r--drivers/rtc/rtc-pl030.c2
-rw-r--r--drivers/rtc/rtc-pl031.c2
-rw-r--r--drivers/rtc/rtc-twl4030.c4
-rw-r--r--drivers/s390/scsi/zfcp_aux.c11
-rw-r--r--drivers/s390/scsi/zfcp_ccw.c1
-rw-r--r--drivers/s390/scsi/zfcp_cfdc.c3
-rw-r--r--drivers/s390/scsi/zfcp_def.h2
-rw-r--r--drivers/s390/scsi/zfcp_erp.c60
-rw-r--r--drivers/s390/scsi/zfcp_ext.h2
-rw-r--r--drivers/s390/scsi/zfcp_fc.c33
-rw-r--r--drivers/s390/scsi/zfcp_fsf.c59
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c44
-rw-r--r--drivers/s390/scsi/zfcp_sysfs.c21
-rw-r--r--drivers/scsi/3w-9xxx.c3
-rw-r--r--drivers/scsi/3w-xxxx.c5
-rw-r--r--drivers/scsi/3w-xxxx.h2
-rw-r--r--drivers/scsi/Kconfig11
-rw-r--r--drivers/scsi/Makefile1
-rw-r--r--drivers/scsi/cxgb3i/cxgb3i.h2
-rw-r--r--drivers/scsi/cxgb3i/cxgb3i_ddp.c32
-rw-r--r--drivers/scsi/cxgb3i/cxgb3i_iscsi.c5
-rw-r--r--drivers/scsi/cxgb3i/cxgb3i_offload.c4
-rw-r--r--drivers/scsi/cxgb3i/cxgb3i_pdu.c19
-rw-r--r--drivers/scsi/fcoe/fcoe.c59
-rw-r--r--drivers/scsi/fcoe/libfcoe.c2
-rw-r--r--drivers/scsi/fnic/Makefile15
-rw-r--r--drivers/scsi/fnic/cq_desc.h78
-rw-r--r--drivers/scsi/fnic/cq_enet_desc.h167
-rw-r--r--drivers/scsi/fnic/cq_exch_desc.h182
-rw-r--r--drivers/scsi/fnic/fcpio.h780
-rw-r--r--drivers/scsi/fnic/fnic.h265
-rw-r--r--drivers/scsi/fnic/fnic_attrs.c56
-rw-r--r--drivers/scsi/fnic/fnic_fcs.c742
-rw-r--r--drivers/scsi/fnic/fnic_io.h67
-rw-r--r--drivers/scsi/fnic/fnic_isr.c332
-rw-r--r--drivers/scsi/fnic/fnic_main.c942
-rw-r--r--drivers/scsi/fnic/fnic_res.c444
-rw-r--r--drivers/scsi/fnic/fnic_res.h197
-rw-r--r--drivers/scsi/fnic/fnic_scsi.c1850
-rw-r--r--drivers/scsi/fnic/rq_enet_desc.h58
-rw-r--r--drivers/scsi/fnic/vnic_cq.c85
-rw-r--r--drivers/scsi/fnic/vnic_cq.h121
-rw-r--r--drivers/scsi/fnic/vnic_cq_copy.h62
-rw-r--r--drivers/scsi/fnic/vnic_dev.c690
-rw-r--r--drivers/scsi/fnic/vnic_dev.h161
-rw-r--r--drivers/scsi/fnic/vnic_devcmd.h281
-rw-r--r--drivers/scsi/fnic/vnic_intr.c60
-rw-r--r--drivers/scsi/fnic/vnic_intr.h118
-rw-r--r--drivers/scsi/fnic/vnic_nic.h69
-rw-r--r--drivers/scsi/fnic/vnic_resource.h61
-rw-r--r--drivers/scsi/fnic/vnic_rq.c196
-rw-r--r--drivers/scsi/fnic/vnic_rq.h235
-rw-r--r--drivers/scsi/fnic/vnic_scsi.h99
-rw-r--r--drivers/scsi/fnic/vnic_stats.h68
-rw-r--r--drivers/scsi/fnic/vnic_wq.c182
-rw-r--r--drivers/scsi/fnic/vnic_wq.h175
-rw-r--r--drivers/scsi/fnic/vnic_wq_copy.c117
-rw-r--r--drivers/scsi/fnic/vnic_wq_copy.h128
-rw-r--r--drivers/scsi/fnic/wq_enet_desc.h96
-rw-r--r--drivers/scsi/ipr.c13
-rw-r--r--drivers/scsi/iscsi_tcp.c3
-rw-r--r--drivers/scsi/libfc/fc_disc.c54
-rw-r--r--drivers/scsi/libfc/fc_elsct.c2
-rw-r--r--drivers/scsi/libfc/fc_fcp.c7
-rw-r--r--drivers/scsi/libfc/fc_lport.c74
-rw-r--r--drivers/scsi/libfc/fc_rport.c82
-rw-r--r--drivers/scsi/libiscsi.c10
-rw-r--r--drivers/scsi/libiscsi_tcp.c5
-rw-r--r--drivers/scsi/lpfc/lpfc.h2
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c266
-rw-r--r--drivers/scsi/lpfc/lpfc_crtn.h2
-rw-r--r--drivers/scsi/lpfc/lpfc_debugfs.c45
-rw-r--r--drivers/scsi/lpfc/lpfc_disc.h1
-rw-r--r--drivers/scsi/lpfc/lpfc_els.c245
-rw-r--r--drivers/scsi/lpfc/lpfc_hbadisc.c88
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c205
-rw-r--r--drivers/scsi/lpfc/lpfc_logmsg.h2
-rw-r--r--drivers/scsi/lpfc/lpfc_mbox.c63
-rw-r--r--drivers/scsi/lpfc/lpfc_mem.c19
-rw-r--r--drivers/scsi/lpfc/lpfc_nportdisc.c18
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c126
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c401
-rw-r--r--drivers/scsi/lpfc/lpfc_version.h6
-rw-r--r--drivers/scsi/lpfc/lpfc_vport.c10
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_base.c75
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_base.h32
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_ctl.c216
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_ctl.h7
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_scsih.c29
-rw-r--r--drivers/scsi/osd/osd_initiator.c125
-rw-r--r--drivers/scsi/osd/osd_uld.c20
-rw-r--r--drivers/scsi/scsi_lib.c4
-rw-r--r--drivers/scsi/scsi_scan.c1
-rw-r--r--drivers/scsi/scsi_transport_iscsi.c2
-rw-r--r--drivers/scsi/sd.c15
-rw-r--r--drivers/scsi/sg.c13
-rw-r--r--drivers/scsi/sr_ioctl.c5
-rw-r--r--drivers/serial/8250.c15
-rw-r--r--drivers/serial/8250_gsc.c4
-rw-r--r--drivers/serial/amba-pl010.c2
-rw-r--r--drivers/serial/amba-pl011.c2
-rw-r--r--drivers/serial/crisv10.c173
-rw-r--r--drivers/serial/icom.c2
-rw-r--r--drivers/serial/imx.c2
-rw-r--r--drivers/serial/jsm/jsm.h2
-rw-r--r--drivers/serial/jsm/jsm_driver.c1
-rw-r--r--drivers/serial/mpc52xx_uart.c2
-rw-r--r--drivers/serial/nwpserial.c4
-rw-r--r--drivers/serial/s3c6400.c1
-rw-r--r--drivers/serial/samsung.c61
-rw-r--r--drivers/serial/samsung.h4
-rw-r--r--drivers/spi/pxa2xx_spi.c3
-rw-r--r--drivers/ssb/embedded.c1
-rw-r--r--drivers/staging/comedi/TODO1
-rw-r--r--drivers/staging/rt2870/rt2870.h1
-rw-r--r--drivers/staging/rtl8187se/r8180.h2
-rw-r--r--drivers/staging/rtl8187se/r8180_core.c46
-rw-r--r--drivers/staging/winbond/wbusb.c9
-rw-r--r--drivers/thermal/thermal_sys.c8
-rw-r--r--drivers/usb/Makefile3
-rw-r--r--drivers/usb/atm/cxacru.c10
-rw-r--r--drivers/usb/class/cdc-acm.c3
-rw-r--r--drivers/usb/gadget/atmel_usba_udc.c5
-rw-r--r--drivers/usb/gadget/usbstring.c6
-rw-r--r--drivers/usb/host/isp1760-hcd.c24
-rw-r--r--drivers/usb/serial/ftdi_sio.c27
-rw-r--r--drivers/usb/serial/ftdi_sio.h6
-rw-r--r--drivers/usb/serial/usb-serial.c1
-rw-r--r--drivers/usb/storage/unusual_devs.h5
-rw-r--r--drivers/video/Kconfig23
-rw-r--r--drivers/video/Makefile1
-rw-r--r--drivers/video/amba-clcd.c2
-rw-r--r--drivers/video/atmel_lcdfb.c10
-rw-r--r--drivers/video/cfbfillrect.c36
-rw-r--r--drivers/video/console/vgacon.c2
-rw-r--r--drivers/video/fb_draw.h21
-rw-r--r--drivers/video/gbefb.c14
-rw-r--r--drivers/video/mx3fb.c14
-rw-r--r--drivers/video/omap/dispc.c14
-rw-r--r--drivers/video/omap/rfbi.c8
-rw-r--r--drivers/video/s3c-fb.c12
-rw-r--r--drivers/video/sh_mobile_lcdcfb.c7
-rw-r--r--drivers/video/sysfillrect.c30
-rw-r--r--drivers/video/via/viafbdev.c6
-rw-r--r--drivers/xen/balloon.c3
407 files changed, 14494 insertions, 2650 deletions
diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile
index 17e50824a6f1..72ac28da14e3 100644
--- a/drivers/acpi/acpica/Makefile
+++ b/drivers/acpi/acpica/Makefile
@@ -5,40 +5,43 @@
ccflags-y := -Os
ccflags-$(CONFIG_ACPI_DEBUG) += -DACPI_DEBUG_OUTPUT
-obj-y := dsfield.o dsmthdat.o dsopcode.o dswexec.o dswscope.o \
+# use acpi.o to put all files here into acpi.o modparam namespace
+obj-y += acpi.o
+
+acpi-y := dsfield.o dsmthdat.o dsopcode.o dswexec.o dswscope.o \
dsmethod.o dsobject.o dsutils.o dswload.o dswstate.o \
dsinit.o
-obj-y += evevent.o evregion.o evsci.o evxfevnt.o \
+acpi-y += evevent.o evregion.o evsci.o evxfevnt.o \
evmisc.o evrgnini.o evxface.o evxfregn.o \
evgpe.o evgpeblk.o
-obj-y += exconfig.o exfield.o exnames.o exoparg6.o exresolv.o exstorob.o\
+acpi-y += exconfig.o exfield.o exnames.o exoparg6.o exresolv.o exstorob.o\
exconvrt.o exfldio.o exoparg1.o exprep.o exresop.o exsystem.o\
excreate.o exmisc.o exoparg2.o exregion.o exstore.o exutils.o \
exdump.o exmutex.o exoparg3.o exresnte.o exstoren.o
-obj-y += hwacpi.o hwgpe.o hwregs.o hwsleep.o hwxface.o hwvalid.o
+acpi-y += hwacpi.o hwgpe.o hwregs.o hwsleep.o hwxface.o hwvalid.o
-obj-$(ACPI_FUTURE_USAGE) += hwtimer.o
+acpi-$(ACPI_FUTURE_USAGE) += hwtimer.o
-obj-y += nsaccess.o nsload.o nssearch.o nsxfeval.o \
+acpi-y += nsaccess.o nsload.o nssearch.o nsxfeval.o \
nsalloc.o nseval.o nsnames.o nsutils.o nsxfname.o \
nsdump.o nsinit.o nsobject.o nswalk.o nsxfobj.o \
nsparse.o nspredef.o
-obj-$(ACPI_FUTURE_USAGE) += nsdumpdv.o
+acpi-$(ACPI_FUTURE_USAGE) += nsdumpdv.o
-obj-y += psargs.o psparse.o psloop.o pstree.o pswalk.o \
+acpi-y += psargs.o psparse.o psloop.o pstree.o pswalk.o \
psopcode.o psscope.o psutils.o psxface.o
-obj-y += rsaddr.o rscreate.o rsinfo.o rsio.o rslist.o rsmisc.o rsxface.o \
+acpi-y += rsaddr.o rscreate.o rsinfo.o rsio.o rslist.o rsmisc.o rsxface.o \
rscalc.o rsirq.o rsmemory.o rsutils.o
-obj-$(ACPI_FUTURE_USAGE) += rsdump.o
+acpi-$(ACPI_FUTURE_USAGE) += rsdump.o
-obj-y += tbxface.o tbinstal.o tbutils.o tbfind.o tbfadt.o tbxfroot.o
+acpi-y += tbxface.o tbinstal.o tbutils.o tbfind.o tbfadt.o tbxfroot.o
-obj-y += utalloc.o utdebug.o uteval.o utinit.o utmisc.o utxface.o \
+acpi-y += utalloc.o utdebug.o uteval.o utinit.o utmisc.o utxface.o \
utcopy.o utdelete.o utglobal.o utmath.o utobject.o \
utstate.o utmutex.o utobject.o utresrc.o utlock.o
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index 772ee5c4ccca..2ec394a328e9 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -787,7 +787,12 @@ struct acpi_bit_register_info {
/* For control registers, both ignored and reserved bits must be preserved */
-#define ACPI_PM1_CONTROL_IGNORED_BITS 0x0201 /* Bits 9, 0(SCI_EN) */
+/*
+ * The ACPI spec says to ignore PM1_CTL.SCI_EN (bit 0)
+ * but we need to be able to write ACPI_BITREG_SCI_ENABLE directly
+ * as a BIOS workaround on some machines.
+ */
+#define ACPI_PM1_CONTROL_IGNORED_BITS 0x0200 /* Bits 9 */
#define ACPI_PM1_CONTROL_RESERVED_BITS 0xC1F8 /* Bits 14-15, 3-8 */
#define ACPI_PM1_CONTROL_PRESERVED_BITS \
(ACPI_PM1_CONTROL_IGNORED_BITS | ACPI_PM1_CONTROL_RESERVED_BITS)
diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c
index b6667ff059e5..88b5a2c4814d 100644
--- a/drivers/acpi/acpica/rscalc.c
+++ b/drivers/acpi/acpica/rscalc.c
@@ -543,6 +543,13 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
package_element = *top_object_list;
+ /* We must have a valid Package object */
+
+ if (!package_element ||
+ (package_element->common.type != ACPI_TYPE_PACKAGE)) {
+ return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ }
+
/*
* The sub_object_list will now point to an array of the
* four IRQ elements: Address, Pin, Source and source_index
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index e8f7b64e92da..ae862f1798dc 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -312,7 +312,7 @@ int acpi_bus_set_power(acpi_handle handle, int state)
end:
if (result)
printk(KERN_WARNING PREFIX
- "Transitioning device [%s] to D%d\n",
+ "Device [%s] failed to transition to D%d\n",
device->pnp.bus_id, state);
else {
device->power.state = state;
diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c
index 95650f83ce2e..bc46de3d967f 100644
--- a/drivers/acpi/pci_bind.c
+++ b/drivers/acpi/pci_bind.c
@@ -116,9 +116,6 @@ int acpi_pci_bind(struct acpi_device *device)
struct acpi_pci_data *pdata;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
acpi_handle handle;
- struct pci_dev *dev;
- struct pci_bus *bus;
-
if (!device || !device->parent)
return -EINVAL;
@@ -176,20 +173,9 @@ int acpi_pci_bind(struct acpi_device *device)
* Locate matching device in PCI namespace. If it doesn't exist
* this typically means that the device isn't currently inserted
* (e.g. docking station, port replicator, etc.).
- * We cannot simply search the global pci device list, since
- * PCI devices are added to the global pci list when the root
- * bridge start ops are run, which may not have happened yet.
*/
- bus = pci_find_bus(data->id.segment, data->id.bus);
- if (bus) {
- list_for_each_entry(dev, &bus->devices, bus_list) {
- if (dev->devfn == PCI_DEVFN(data->id.device,
- data->id.function)) {
- data->dev = dev;
- break;
- }
- }
- }
+ data->dev = pci_get_slot(pdata->bus,
+ PCI_DEVFN(data->id.device, data->id.function));
if (!data->dev) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Device %04x:%02x:%02x.%d not present in PCI namespace\n",
@@ -259,9 +245,10 @@ int acpi_pci_bind(struct acpi_device *device)
end:
kfree(buffer.pointer);
- if (result)
+ if (result) {
+ pci_dev_put(data->dev);
kfree(data);
-
+ }
return result;
}
@@ -303,6 +290,7 @@ static int acpi_pci_unbind(struct acpi_device *device)
if (data->dev->subordinate) {
acpi_pci_irq_del_prt(data->id.segment, data->bus->number);
}
+ pci_dev_put(data->dev);
kfree(data);
end:
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 45ad3288c5ff..23f0fb84f1c1 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -844,7 +844,7 @@ static int acpi_processor_add(struct acpi_device *device)
if (!pr)
return -ENOMEM;
- if (!alloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) {
+ if (!zalloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) {
kfree(pr);
return -ENOMEM;
}
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index f7ca8c55956b..10a2d913635a 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -148,6 +148,9 @@ static void acpi_timer_check_state(int state, struct acpi_processor *pr,
if (cpu_has(&cpu_data(pr->id), X86_FEATURE_ARAT))
return;
+ if (boot_cpu_has(X86_FEATURE_AMDC1E))
+ type = ACPI_STATE_C1;
+
/*
* Check, if one of the previous states already marked the lapic
* unstable
@@ -202,21 +205,44 @@ static void acpi_state_timer_broadcast(struct acpi_processor *pr,
* Suspend / resume control
*/
static int acpi_idle_suspend;
+static u32 saved_bm_rld;
+
+static void acpi_idle_bm_rld_save(void)
+{
+ acpi_read_bit_register(ACPI_BITREG_BUS_MASTER_RLD, &saved_bm_rld);
+}
+static void acpi_idle_bm_rld_restore(void)
+{
+ u32 resumed_bm_rld;
+
+ acpi_read_bit_register(ACPI_BITREG_BUS_MASTER_RLD, &resumed_bm_rld);
+
+ if (resumed_bm_rld != saved_bm_rld)
+ acpi_write_bit_register(ACPI_BITREG_BUS_MASTER_RLD, saved_bm_rld);
+}
int acpi_processor_suspend(struct acpi_device * device, pm_message_t state)
{
+ if (acpi_idle_suspend == 1)
+ return 0;
+
+ acpi_idle_bm_rld_save();
acpi_idle_suspend = 1;
return 0;
}
int acpi_processor_resume(struct acpi_device * device)
{
+ if (acpi_idle_suspend == 0)
+ return 0;
+
+ acpi_idle_bm_rld_restore();
acpi_idle_suspend = 0;
return 0;
}
#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86)
-static int tsc_halts_in_c(int state)
+static void tsc_check_state(int state)
{
switch (boot_cpu_data.x86_vendor) {
case X86_VENDOR_AMD:
@@ -226,13 +252,17 @@ static int tsc_halts_in_c(int state)
* C/P/S0/S1 states when this bit is set.
*/
if (boot_cpu_has(X86_FEATURE_NONSTOP_TSC))
- return 0;
+ return;
/*FALL THROUGH*/
default:
- return state > ACPI_STATE_C1;
+ /* TSC could halt in idle, so notify users */
+ if (state > ACPI_STATE_C1)
+ mark_tsc_unstable("TSC halts in idle");
}
}
+#else
+static void tsc_check_state(int state) { return; }
#endif
static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr)
@@ -578,17 +608,13 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
pr->power.timer_broadcast_on_state = INT_MAX;
- for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) {
+ for (i = 1; i < ACPI_PROCESSOR_MAX_POWER && i <= max_cstate; i++) {
struct acpi_processor_cx *cx = &pr->power.states[i];
-#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86)
- /* TSC could halt in idle, so notify users */
- if (tsc_halts_in_c(cx->type))
- mark_tsc_unstable("TSC halts in idle");;
-#endif
switch (cx->type) {
case ACPI_STATE_C1:
cx->valid = 1;
+ acpi_timer_check_state(i, pr, cx);
break;
case ACPI_STATE_C2:
@@ -603,6 +629,8 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
acpi_timer_check_state(i, pr, cx);
break;
}
+ if (cx->valid)
+ tsc_check_state(cx->type);
if (cx->valid)
working++;
@@ -806,11 +834,12 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
/* Do not access any ACPI IO ports in suspend path */
if (acpi_idle_suspend) {
- acpi_safe_halt();
local_irq_enable();
+ cpu_relax();
return 0;
}
+ acpi_state_timer_broadcast(pr, cx, 1);
kt1 = ktime_get_real();
acpi_idle_do_entry(cx);
kt2 = ktime_get_real();
@@ -818,6 +847,7 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
local_irq_enable();
cx->usage++;
+ acpi_state_timer_broadcast(pr, cx, 0);
return idle_time;
}
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index cafb41000f6b..60e543d3234e 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -309,9 +309,15 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr)
(u32) px->bus_master_latency,
(u32) px->control, (u32) px->status));
- if (!px->core_frequency) {
- printk(KERN_ERR PREFIX
- "Invalid _PSS data: freq is zero\n");
+ /*
+ * Check that ACPI's u64 MHz will be valid as u32 KHz in cpufreq
+ */
+ if (!px->core_frequency ||
+ ((u32)(px->core_frequency * 1000) !=
+ (px->core_frequency * 1000))) {
+ printk(KERN_ERR FW_BUG PREFIX
+ "Invalid BIOS _PSS frequency: 0x%llx MHz\n",
+ px->core_frequency);
result = -EFAULT;
kfree(pr->performance->states);
goto end;
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index d0d1f4d50434..227543789ba9 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -45,6 +45,14 @@
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
ACPI_MODULE_NAME("processor_throttling");
+/* ignore_tpc:
+ * 0 -> acpi processor driver doesn't ignore _TPC values
+ * 1 -> acpi processor driver ignores _TPC values
+ */
+static int ignore_tpc;
+module_param(ignore_tpc, int, 0644);
+MODULE_PARM_DESC(ignore_tpc, "Disable broken BIOS _TPC throttling support");
+
struct throttling_tstate {
unsigned int cpu; /* cpu nr */
int target_state; /* target T-state */
@@ -283,6 +291,10 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr)
if (!pr)
return -EINVAL;
+
+ if (ignore_tpc)
+ goto end;
+
status = acpi_evaluate_integer(pr->handle, "_TPC", NULL, &tpc);
if (ACPI_FAILURE(status)) {
if (status != AE_NOT_FOUND) {
@@ -290,6 +302,8 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr)
}
return -ENODEV;
}
+
+end:
pr->throttling_platform_limit = (int)tpc;
return 0;
}
@@ -302,6 +316,9 @@ int acpi_processor_tstate_has_changed(struct acpi_processor *pr)
struct acpi_processor_limit *limit;
int target_state;
+ if (ignore_tpc)
+ return 0;
+
result = acpi_processor_get_platform_limit(pr);
if (result) {
/* Throttling Limit is unsupported */
@@ -821,6 +838,14 @@ static int acpi_processor_get_throttling_ptc(struct acpi_processor *pr)
ret = acpi_read_throttling_status(pr, &value);
if (ret >= 0) {
state = acpi_get_throttling_state(pr, value);
+ if (state == -1) {
+ ACPI_WARNING((AE_INFO,
+ "Invalid throttling state, reset"));
+ state = 0;
+ ret = acpi_processor_set_throttling(pr, state);
+ if (ret)
+ return ret;
+ }
pr->throttling.state = state;
}
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index d7ff61c0d571..1bdfb37377e3 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -538,6 +538,57 @@ acpi_video_device_lcd_set_level(struct acpi_video_device *device, int level)
return -EINVAL;
}
+/*
+ * For some buggy _BQC methods, we need to add a constant value to
+ * the _BQC return value to get the actual current brightness level
+ */
+
+static int bqc_offset_aml_bug_workaround;
+static int __init video_set_bqc_offset(const struct dmi_system_id *d)
+{
+ bqc_offset_aml_bug_workaround = 9;
+ return 0;
+}
+
+static struct dmi_system_id video_dmi_table[] __initdata = {
+ /*
+ * Broken _BQC workaround http://bugzilla.kernel.org/show_bug.cgi?id=13121
+ */
+ {
+ .callback = video_set_bqc_offset,
+ .ident = "Acer Aspire 5720",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
+ },
+ },
+ {
+ .callback = video_set_bqc_offset,
+ .ident = "Acer Aspire 5710Z",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710Z"),
+ },
+ },
+ {
+ .callback = video_set_bqc_offset,
+ .ident = "eMachines E510",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "EMACHINES"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "eMachines E510"),
+ },
+ },
+ {
+ .callback = video_set_bqc_offset,
+ .ident = "Acer Aspire 5315",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5315"),
+ },
+ },
+ {}
+};
+
static int
acpi_video_device_lcd_get_level_current(struct acpi_video_device *device,
unsigned long long *level)
@@ -557,6 +608,7 @@ acpi_video_device_lcd_get_level_current(struct acpi_video_device *device,
*level = device->brightness->levels[*level + 2];
}
+ *level += bqc_offset_aml_bug_workaround;
device->brightness->curr = *level;
return 0;
} else {
@@ -2290,13 +2342,15 @@ EXPORT_SYMBOL(acpi_video_register);
static int __init acpi_video_init(void)
{
+ dmi_check_system(video_dmi_table);
+
if (intel_opregion_present())
return 0;
return acpi_video_register();
}
-void __exit acpi_video_exit(void)
+void acpi_video_exit(void)
{
acpi_bus_unregister_driver(&acpi_video_bus);
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 08186ecbaf8d..6b91c26a4635 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -220,6 +220,7 @@ enum {
AHCI_HFLAG_NO_HOTPLUG = (1 << 7), /* ignore PxSERR.DIAG.N */
AHCI_HFLAG_SECT255 = (1 << 8), /* max 255 sectors */
AHCI_HFLAG_YES_NCQ = (1 << 9), /* force NCQ cap on */
+ AHCI_HFLAG_NO_SUSPEND = (1 << 10), /* don't suspend */
/* ap->flags bits */
@@ -2316,9 +2317,17 @@ static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg)
static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
{
struct ata_host *host = dev_get_drvdata(&pdev->dev);
+ struct ahci_host_priv *hpriv = host->private_data;
void __iomem *mmio = host->iomap[AHCI_PCI_BAR];
u32 ctl;
+ if (mesg.event & PM_EVENT_SUSPEND &&
+ hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
+ dev_printk(KERN_ERR, &pdev->dev,
+ "BIOS update required for suspend/resume\n");
+ return -EIO;
+ }
+
if (mesg.event & PM_EVENT_SLEEP) {
/* AHCI spec rev1.1 section 8.3.3:
* Software must disable interrupts prior to requesting a
@@ -2610,6 +2619,63 @@ static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
return false;
}
+static bool ahci_broken_suspend(struct pci_dev *pdev)
+{
+ static const struct dmi_system_id sysids[] = {
+ /*
+ * On HP dv[4-6] and HDX18 with earlier BIOSen, link
+ * to the harddisk doesn't become online after
+ * resuming from STR. Warn and fail suspend.
+ */
+ {
+ .ident = "dv4",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME,
+ "HP Pavilion dv4 Notebook PC"),
+ },
+ .driver_data = "F.30", /* cutoff BIOS version */
+ },
+ {
+ .ident = "dv5",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME,
+ "HP Pavilion dv5 Notebook PC"),
+ },
+ .driver_data = "F.16", /* cutoff BIOS version */
+ },
+ {
+ .ident = "dv6",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME,
+ "HP Pavilion dv6 Notebook PC"),
+ },
+ .driver_data = "F.21", /* cutoff BIOS version */
+ },
+ {
+ .ident = "HDX18",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME,
+ "HP HDX18 Notebook PC"),
+ },
+ .driver_data = "F.23", /* cutoff BIOS version */
+ },
+ { } /* terminate list */
+ };
+ const struct dmi_system_id *dmi = dmi_first_match(sysids);
+ const char *ver;
+
+ if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
+ return false;
+
+ ver = dmi_get_system_info(DMI_BIOS_VERSION);
+
+ return !ver || strcmp(ver, dmi->driver_data) < 0;
+}
+
static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
static int printed_version;
@@ -2715,6 +2781,12 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
"quirky BIOS, skipping spindown on poweroff\n");
}
+ if (ahci_broken_suspend(pdev)) {
+ hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
+ dev_printk(KERN_WARNING, &pdev->dev,
+ "BIOS update required for suspend/resume\n");
+ }
+
/* CAP.NP sometimes indicate the index of the last enabled
* port, at other times, that of the last possible port, so
* determining the maximum port number requires looking at
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 942d14ac8792..1aeb7082b0c4 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -72,6 +72,7 @@
* ICH2 spec c #20 - IDE PRD must not cross a 64K boundary
* and must be dword aligned
* ICH2 spec c #24 - UDMA mode 4,5 t85/86 should be 6ns not 3.3
+ * ICH7 errata #16 - MWDMA1 timings are incorrect
*
* Should have been BIOS fixed:
* 450NX: errata #19 - DMA hangs on old 450NX
@@ -94,7 +95,7 @@
#include <linux/dmi.h>
#define DRV_NAME "ata_piix"
-#define DRV_VERSION "2.12"
+#define DRV_VERSION "2.13"
enum {
PIIX_IOCFG = 0x54, /* IDE I/O configuration register */
@@ -136,6 +137,7 @@ enum piix_controller_ids {
ich_pata_33, /* ICH up to UDMA 33 only */
ich_pata_66, /* ICH up to 66 Mhz */
ich_pata_100, /* ICH up to UDMA 100 */
+ ich_pata_100_nomwdma1, /* ICH up to UDMA 100 but with no MWDMA1*/
ich5_sata,
ich6_sata,
ich6m_sata,
@@ -216,8 +218,8 @@ static const struct pci_device_id piix_pci_tbl[] = {
/* ICH6 (and 6) (i915) UDMA 100 */
{ 0x8086, 0x266F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
/* ICH7/7-R (i945, i975) UDMA 100*/
- { 0x8086, 0x27DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
- { 0x8086, 0x269E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
+ { 0x8086, 0x27DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100_nomwdma1 },
+ { 0x8086, 0x269E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100_nomwdma1 },
/* ICH8 Mobile PATA Controller */
{ 0x8086, 0x2850, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
@@ -487,6 +489,15 @@ static struct ata_port_info piix_port_info[] = {
.port_ops = &ich_pata_ops,
},
+ [ich_pata_100_nomwdma1] =
+ {
+ .flags = PIIX_PATA_FLAGS | PIIX_FLAG_CHECKINTR,
+ .pio_mask = ATA_PIO4,
+ .mwdma_mask = ATA_MWDMA2_ONLY,
+ .udma_mask = ATA_UDMA5,
+ .port_ops = &ich_pata_ops,
+ },
+
[ich5_sata] =
{
.flags = PIIX_SATA_FLAGS,
@@ -594,6 +605,7 @@ static const struct ich_laptop ich_laptop[] = {
{ 0x24CA, 0x1025, 0x003d }, /* ICH4 on ACER TM290 */
{ 0x266F, 0x1025, 0x0066 }, /* ICH6 on ACER Aspire 1694WLMi */
{ 0x2653, 0x1043, 0x82D8 }, /* ICH6M on Asus Eee 701 */
+ { 0x27df, 0x104d, 0x900e }, /* ICH7 on Sony TZ-90 */
/* end marker */
{ 0, }
};
@@ -1443,6 +1455,15 @@ static bool piix_broken_system_poweroff(struct pci_dev *pdev)
/* PCI slot number of the controller */
.driver_data = (void *)0x1FUL,
},
+ {
+ .ident = "HP Compaq nc6000",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nc6000"),
+ },
+ /* PCI slot number of the controller */
+ .driver_data = (void *)0x1FUL,
+ },
{ } /* terminate list */
};
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 17c5d48a75d2..c9242301cfa1 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4091,7 +4091,9 @@ int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class,
/* fail early if !ATA && !ATAPI to avoid issuing [P]IDENTIFY to PMP */
if (ata_class_enabled(new_class) &&
- new_class != ATA_DEV_ATA && new_class != ATA_DEV_ATAPI) {
+ new_class != ATA_DEV_ATA &&
+ new_class != ATA_DEV_ATAPI &&
+ new_class != ATA_DEV_SEMB) {
ata_dev_printk(dev, KERN_INFO, "class mismatch %u != %u\n",
dev->class, new_class);
rc = -ENODEV;
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 01831312c360..94919ad03df1 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2783,6 +2783,12 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link,
} else if (dev->class == ATA_DEV_UNKNOWN &&
ehc->tries[dev->devno] &&
ata_class_enabled(ehc->classes[dev->devno])) {
+ /* Temporarily set dev->class, it will be
+ * permanently set once all configurations are
+ * complete. This is necessary because new
+ * device configuration is done in two
+ * separate loops.
+ */
dev->class = ehc->classes[dev->devno];
if (dev->class == ATA_DEV_PMP)
@@ -2790,6 +2796,11 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link,
else
rc = ata_dev_read_id(dev, &dev->class,
readid_flags, dev->id);
+
+ /* read_id might have changed class, store and reset */
+ ehc->classes[dev->devno] = dev->class;
+ dev->class = ATA_DEV_UNKNOWN;
+
switch (rc) {
case 0:
/* clear error info accumulated during probe */
@@ -2799,13 +2810,11 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link,
case -ENOENT:
/* IDENTIFY was issued to non-existent
* device. No need to reset. Just
- * thaw and kill the device.
+ * thaw and ignore the device.
*/
ata_eh_thaw_port(ap);
- dev->class = ATA_DEV_UNKNOWN;
break;
default:
- dev->class = ATA_DEV_UNKNOWN;
goto err;
}
}
@@ -2826,11 +2835,15 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link,
dev->class == ATA_DEV_PMP)
continue;
+ dev->class = ehc->classes[dev->devno];
+
ehc->i.flags |= ATA_EHI_PRINTINFO;
rc = ata_dev_configure(dev);
ehc->i.flags &= ~ATA_EHI_PRINTINFO;
- if (rc)
+ if (rc) {
+ dev->class = ATA_DEV_UNKNOWN;
goto err;
+ }
spin_lock_irqsave(ap->lock, flags);
ap->pflags |= ATA_PFLAG_SCSI_HOTPLUG;
@@ -3494,6 +3507,8 @@ static void ata_eh_handle_port_suspend(struct ata_port *ap)
*/
static void ata_eh_handle_port_resume(struct ata_port *ap)
{
+ struct ata_link *link;
+ struct ata_device *dev;
unsigned long flags;
int rc = 0;
@@ -3508,6 +3523,17 @@ static void ata_eh_handle_port_resume(struct ata_port *ap)
WARN_ON(!(ap->pflags & ATA_PFLAG_SUSPENDED));
+ /*
+ * Error timestamps are in jiffies which doesn't run while
+ * suspended and PHY events during resume isn't too uncommon.
+ * When the two are combined, it can lead to unnecessary speed
+ * downs if the machine is suspended and resumed repeatedly.
+ * Clear error history.
+ */
+ ata_for_each_link(link, ap, HOST_FIRST)
+ ata_for_each_dev(dev, link, ALL)
+ ata_ering_clear(&dev->ering);
+
ata_acpi_set_state(ap, PMSG_ON);
if (ap->ops->port_resume)
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 2733b0c90b75..342316064e9f 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -313,7 +313,7 @@ ata_scsi_em_message_show(struct device *dev, struct device_attribute *attr,
return ap->ops->em_show(ap, buf);
return -EINVAL;
}
-DEVICE_ATTR(em_message, S_IRUGO | S_IWUGO,
+DEVICE_ATTR(em_message, S_IRUGO | S_IWUSR,
ata_scsi_em_message_show, ata_scsi_em_message_store);
EXPORT_SYMBOL_GPL(dev_attr_em_message);
@@ -366,7 +366,7 @@ ata_scsi_activity_store(struct device *dev, struct device_attribute *attr,
}
return -EINVAL;
}
-DEVICE_ATTR(sw_activity, S_IWUGO | S_IRUGO, ata_scsi_activity_show,
+DEVICE_ATTR(sw_activity, S_IWUSR | S_IRUGO, ata_scsi_activity_show,
ata_scsi_activity_store);
EXPORT_SYMBOL_GPL(dev_attr_sw_activity);
@@ -2142,13 +2142,14 @@ static unsigned int ata_scsiop_inq_89(struct ata_scsi_args *args, u8 *rbuf)
static unsigned int ata_scsiop_inq_b1(struct ata_scsi_args *args, u8 *rbuf)
{
+ int form_factor = ata_id_form_factor(args->id);
+ int media_rotation_rate = ata_id_rotation_rate(args->id);
+
rbuf[1] = 0xb1;
rbuf[3] = 0x3c;
- if (ata_id_major_version(args->id) > 7) {
- rbuf[4] = args->id[217] >> 8;
- rbuf[5] = args->id[217];
- rbuf[7] = args->id[168] & 0xf;
- }
+ rbuf[4] = media_rotation_rate >> 8;
+ rbuf[5] = media_rotation_rate;
+ rbuf[7] = form_factor;
return 0;
}
@@ -2376,7 +2377,23 @@ saving_not_supp:
*/
static unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf)
{
- u64 last_lba = args->dev->n_sectors - 1; /* LBA of the last block */
+ struct ata_device *dev = args->dev;
+ u64 last_lba = dev->n_sectors - 1; /* LBA of the last block */
+ u8 log_per_phys = 0;
+ u16 lowest_aligned = 0;
+ u16 word_106 = dev->id[106];
+ u16 word_209 = dev->id[209];
+
+ if ((word_106 & 0xc000) == 0x4000) {
+ /* Number and offset of logical sectors per physical sector */
+ if (word_106 & (1 << 13))
+ log_per_phys = word_106 & 0xf;
+ if ((word_209 & 0xc000) == 0x4000) {
+ u16 first = dev->id[209] & 0x3fff;
+ if (first > 0)
+ lowest_aligned = (1 << log_per_phys) - first;
+ }
+ }
VPRINTK("ENTER\n");
@@ -2407,6 +2424,11 @@ static unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf)
/* sector size */
rbuf[10] = ATA_SECT_SIZE >> 8;
rbuf[11] = ATA_SECT_SIZE & 0xff;
+
+ rbuf[12] = 0;
+ rbuf[13] = log_per_phys;
+ rbuf[14] = (lowest_aligned >> 8) & 0x3f;
+ rbuf[15] = lowest_aligned;
}
return 0;
diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c
index 751b7ea4816c..fc9c5d6d7d80 100644
--- a/drivers/ata/pata_ali.c
+++ b/drivers/ata/pata_ali.c
@@ -497,14 +497,16 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
};
/* Revision 0x20 added DMA */
static const struct ata_port_info info_20 = {
- .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
+ .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+ ATA_FLAG_IGN_SIMPLEX,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.port_ops = &ali_20_port_ops
};
/* Revision 0x20 with support logic added UDMA */
static const struct ata_port_info info_20_udma = {
- .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
+ .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+ ATA_FLAG_IGN_SIMPLEX,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA2,
@@ -512,7 +514,8 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
};
/* Revision 0xC2 adds UDMA66 */
static const struct ata_port_info info_c2 = {
- .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
+ .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+ ATA_FLAG_IGN_SIMPLEX,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA4,
@@ -520,7 +523,8 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
};
/* Revision 0xC3 is UDMA66 for now */
static const struct ata_port_info info_c3 = {
- .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
+ .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+ ATA_FLAG_IGN_SIMPLEX,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA4,
@@ -528,7 +532,8 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
};
/* Revision 0xC4 is UDMA100 */
static const struct ata_port_info info_c4 = {
- .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
+ .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+ ATA_FLAG_IGN_SIMPLEX,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA5,
@@ -536,7 +541,7 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
};
/* Revision 0xC5 is UDMA133 with LBA48 DMA */
static const struct ata_port_info info_c5 = {
- .flags = ATA_FLAG_SLAVE_POSS,
+ .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_IGN_SIMPLEX,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
diff --git a/drivers/ata/pata_efar.c b/drivers/ata/pata_efar.c
index 2085e0a3a05a..2a6412f5d117 100644
--- a/drivers/ata/pata_efar.c
+++ b/drivers/ata/pata_efar.c
@@ -22,7 +22,7 @@
#include <linux/ata.h>
#define DRV_NAME "pata_efar"
-#define DRV_VERSION "0.4.4"
+#define DRV_VERSION "0.4.5"
/**
* efar_pre_reset - Enable bits
@@ -98,18 +98,17 @@ static void efar_set_piomode (struct ata_port *ap, struct ata_device *adev)
{ 2, 1 },
{ 2, 3 }, };
- if (pio > 2)
- control |= 1; /* TIME1 enable */
+ if (pio > 1)
+ control |= 1; /* TIME */
if (ata_pio_need_iordy(adev)) /* PIO 3/4 require IORDY */
- control |= 2; /* IE enable */
- /* Intel specifies that the PPE functionality is for disk only */
+ control |= 2; /* IE */
+ /* Intel specifies that the prefetch/posting is for disk only */
if (adev->class == ATA_DEV_ATA)
- control |= 4; /* PPE enable */
+ control |= 4; /* PPE */
pci_read_config_word(dev, idetm_port, &idetm_data);
- /* Enable PPE, IE and TIME as appropriate */
-
+ /* Set PPE, IE, and TIME as appropriate */
if (adev->devno == 0) {
idetm_data &= 0xCCF0;
idetm_data |= control;
@@ -129,7 +128,7 @@ static void efar_set_piomode (struct ata_port *ap, struct ata_device *adev)
pci_write_config_byte(dev, 0x44, slave_data);
}
- idetm_data |= 0x4000; /* Ensure SITRE is enabled */
+ idetm_data |= 0x4000; /* Ensure SITRE is set */
pci_write_config_word(dev, idetm_port, idetm_data);
}
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c
index f72c6c5b820f..6932e56d179c 100644
--- a/drivers/ata/pata_legacy.c
+++ b/drivers/ata/pata_legacy.c
@@ -48,6 +48,7 @@
*
*/
+#include <linux/async.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
@@ -1028,6 +1029,7 @@ static __init int legacy_init_one(struct legacy_probe *probe)
&legacy_sht);
if (ret)
goto fail;
+ async_synchronize_full();
ld->platform_dev = pdev;
/* Nothing found means we drop the port as its probably not there */
diff --git a/drivers/ata/pata_netcell.c b/drivers/ata/pata_netcell.c
index bdb236957cb9..f0d52f72f5bb 100644
--- a/drivers/ata/pata_netcell.c
+++ b/drivers/ata/pata_netcell.c
@@ -20,13 +20,24 @@
/* No PIO or DMA methods needed for this device */
+static unsigned int netcell_read_id(struct ata_device *adev,
+ struct ata_taskfile *tf, u16 *id)
+{
+ unsigned int err_mask = ata_do_dev_read_id(adev, tf, id);
+ /* Firmware forgets to mark words 85-87 valid */
+ if (err_mask == 0)
+ id[ATA_ID_CSF_DEFAULT] |= 0x4000;
+ return err_mask;
+}
+
static struct scsi_host_template netcell_sht = {
ATA_BMDMA_SHT(DRV_NAME),
};
static struct ata_port_operations netcell_ops = {
.inherits = &ata_bmdma_port_ops,
- .cable_detect = ata_cable_80wire,
+ .cable_detect = ata_cable_80wire,
+ .read_id = netcell_read_id,
};
diff --git a/drivers/ata/pata_pdc202xx_old.c b/drivers/ata/pata_pdc202xx_old.c
index 5fedb3d4032b..2f3c9bed63d9 100644
--- a/drivers/ata/pata_pdc202xx_old.c
+++ b/drivers/ata/pata_pdc202xx_old.c
@@ -2,7 +2,7 @@
* pata_pdc202xx_old.c - Promise PDC202xx PATA for new ATA layer
* (C) 2005 Red Hat Inc
* Alan Cox <alan@lxorguk.ukuu.org.uk>
- * (C) 2007 Bartlomiej Zolnierkiewicz
+ * (C) 2007,2009 Bartlomiej Zolnierkiewicz
*
* Based in part on linux/drivers/ide/pci/pdc202xx_old.c
*
@@ -158,7 +158,7 @@ static void pdc2026x_bmdma_start(struct ata_queued_cmd *qc)
u32 len;
/* Check we keep host level locking here */
- if (adev->dma_mode >= XFER_UDMA_2)
+ if (adev->dma_mode > XFER_UDMA_2)
iowrite8(ioread8(clock) | sel66, clock);
else
iowrite8(ioread8(clock) & ~sel66, clock);
@@ -212,7 +212,7 @@ static void pdc2026x_bmdma_stop(struct ata_queued_cmd *qc)
iowrite8(ioread8(clock) & ~sel66, clock);
}
/* Flip back to 33Mhz for PIO */
- if (adev->dma_mode >= XFER_UDMA_2)
+ if (adev->dma_mode > XFER_UDMA_2)
iowrite8(ioread8(clock) & ~sel66, clock);
ata_bmdma_stop(qc);
pdc202xx_set_piomode(ap, adev);
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index c2e90e1fece0..36b8629203be 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -205,6 +205,7 @@ struct cmdhdr_tbl_entry {
* Description information bitdefs
*/
enum {
+ CMD_DESC_RES = (1 << 11),
VENDOR_SPECIFIC_BIST = (1 << 10),
CMD_DESC_SNOOP_ENABLE = (1 << 9),
FPDMA_QUEUED_CMD = (1 << 8),
@@ -332,13 +333,14 @@ static unsigned int sata_fsl_fill_sg(struct ata_queued_cmd *qc, void *cmd_desc,
dma_addr_t sg_addr = sg_dma_address(sg);
u32 sg_len = sg_dma_len(sg);
- VPRINTK("SATA FSL : fill_sg, sg_addr = 0x%x, sg_len = %d\n",
- sg_addr, sg_len);
+ VPRINTK("SATA FSL : fill_sg, sg_addr = 0x%llx, sg_len = %d\n",
+ (unsigned long long)sg_addr, sg_len);
/* warn if each s/g element is not dword aligned */
if (sg_addr & 0x03)
ata_port_printk(qc->ap, KERN_ERR,
- "s/g addr unaligned : 0x%x\n", sg_addr);
+ "s/g addr unaligned : 0x%llx\n",
+ (unsigned long long)sg_addr);
if (sg_len & 0x03)
ata_port_printk(qc->ap, KERN_ERR,
"s/g len unaligned : 0x%x\n", sg_len);
@@ -387,7 +389,7 @@ static void sata_fsl_qc_prep(struct ata_queued_cmd *qc)
void __iomem *hcr_base = host_priv->hcr_base;
unsigned int tag = sata_fsl_tag(qc->tag, hcr_base);
struct command_desc *cd;
- u32 desc_info = CMD_DESC_SNOOP_ENABLE;
+ u32 desc_info = CMD_DESC_RES | CMD_DESC_SNOOP_ENABLE;
u32 num_prde = 0;
u32 ttl_dwords = 0;
dma_addr_t cd_paddr;
@@ -840,7 +842,7 @@ issue_srst:
/* device reset/SRST is a control register update FIS, uses tag0 */
sata_fsl_setup_cmd_hdr_entry(pp, 0,
- SRST_CMD | CMD_DESC_SNOOP_ENABLE, 0, 0, 5);
+ SRST_CMD | CMD_DESC_RES | CMD_DESC_SNOOP_ENABLE, 0, 0, 5);
tf.ctl |= ATA_SRST; /* setup SRST bit in taskfile control reg */
ata_tf_to_fis(&tf, pmp, 0, cfis);
@@ -886,7 +888,8 @@ issue_srst:
* using ATA signature D2H register FIS to the host controller.
*/
- sata_fsl_setup_cmd_hdr_entry(pp, 0, CMD_DESC_SNOOP_ENABLE, 0, 0, 5);
+ sata_fsl_setup_cmd_hdr_entry(pp, 0, CMD_DESC_RES | CMD_DESC_SNOOP_ENABLE,
+ 0, 0, 5);
tf.ctl &= ~ATA_SRST; /* 2nd H2D Ctl. register FIS */
ata_tf_to_fis(&tf, pmp, 0, cfis);
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 870dcfd82357..23714aefb825 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -293,6 +293,10 @@ enum {
FISCFG_WAIT_DEV_ERR = (1 << 8), /* wait for host on DevErr */
FISCFG_SINGLE_SYNC = (1 << 16), /* SYNC on DMA activation */
+ PHY_MODE9_GEN2 = 0x398,
+ PHY_MODE9_GEN1 = 0x39c,
+ PHYCFG_OFS = 0x3a0, /* only in 65n devices */
+
MV5_PHY_MODE = 0x74,
MV5_LTMODE = 0x30,
MV5_PHY_CTL = 0x0C,
@@ -609,6 +613,8 @@ static int mv_soc_reset_hc(struct mv_host_priv *hpriv,
static void mv_soc_reset_flash(struct mv_host_priv *hpriv,
void __iomem *mmio);
static void mv_soc_reset_bus(struct ata_host *host, void __iomem *mmio);
+static void mv_soc_65n_phy_errata(struct mv_host_priv *hpriv,
+ void __iomem *mmio, unsigned int port);
static void mv_reset_pci_bus(struct ata_host *host, void __iomem *mmio);
static void mv_reset_channel(struct mv_host_priv *hpriv, void __iomem *mmio,
unsigned int port_no);
@@ -807,6 +813,14 @@ static const struct mv_hw_ops mv_soc_ops = {
.reset_bus = mv_soc_reset_bus,
};
+static const struct mv_hw_ops mv_soc_65n_ops = {
+ .phy_errata = mv_soc_65n_phy_errata,
+ .enable_leds = mv_soc_enable_leds,
+ .reset_hc = mv_soc_reset_hc,
+ .reset_flash = mv_soc_reset_flash,
+ .reset_bus = mv_soc_reset_bus,
+};
+
/*
* Functions
*/
@@ -3397,6 +3411,53 @@ static void mv_soc_reset_bus(struct ata_host *host, void __iomem *mmio)
return;
}
+static void mv_soc_65n_phy_errata(struct mv_host_priv *hpriv,
+ void __iomem *mmio, unsigned int port)
+{
+ void __iomem *port_mmio = mv_port_base(mmio, port);
+ u32 reg;
+
+ reg = readl(port_mmio + PHY_MODE3);
+ reg &= ~(0x3 << 27); /* SELMUPF (bits 28:27) to 1 */
+ reg |= (0x1 << 27);
+ reg &= ~(0x3 << 29); /* SELMUPI (bits 30:29) to 1 */
+ reg |= (0x1 << 29);
+ writel(reg, port_mmio + PHY_MODE3);
+
+ reg = readl(port_mmio + PHY_MODE4);
+ reg &= ~0x1; /* SATU_OD8 (bit 0) to 0, reserved bit 16 must be set */
+ reg |= (0x1 << 16);
+ writel(reg, port_mmio + PHY_MODE4);
+
+ reg = readl(port_mmio + PHY_MODE9_GEN2);
+ reg &= ~0xf; /* TXAMP[3:0] (bits 3:0) to 8 */
+ reg |= 0x8;
+ reg &= ~(0x1 << 14); /* TXAMP[4] (bit 14) to 0 */
+ writel(reg, port_mmio + PHY_MODE9_GEN2);
+
+ reg = readl(port_mmio + PHY_MODE9_GEN1);
+ reg &= ~0xf; /* TXAMP[3:0] (bits 3:0) to 8 */
+ reg |= 0x8;
+ reg &= ~(0x1 << 14); /* TXAMP[4] (bit 14) to 0 */
+ writel(reg, port_mmio + PHY_MODE9_GEN1);
+}
+
+/**
+ * soc_is_65 - check if the soc is 65 nano device
+ *
+ * Detect the type of the SoC, this is done by reading the PHYCFG_OFS
+ * register, this register should contain non-zero value and it exists only
+ * in the 65 nano devices, when reading it from older devices we get 0.
+ */
+static bool soc_is_65n(struct mv_host_priv *hpriv)
+{
+ void __iomem *port0_mmio = mv_port_base(hpriv->base, 0);
+
+ if (readl(port0_mmio + PHYCFG_OFS))
+ return true;
+ return false;
+}
+
static void mv_setup_ifcfg(void __iomem *port_mmio, int want_gen2i)
{
u32 ifcfg = readl(port_mmio + SATA_IFCFG);
@@ -3737,7 +3798,10 @@ static int mv_chip_id(struct ata_host *host, unsigned int board_idx)
}
break;
case chip_soc:
- hpriv->ops = &mv_soc_ops;
+ if (soc_is_65n(hpriv))
+ hpriv->ops = &mv_soc_65n_ops;
+ else
+ hpriv->ops = &mv_soc_ops;
hp_flags |= MV_HP_FLAG_SOC | MV_HP_GEN_IIE |
MV_HP_ERRATA_60X1C0;
break;
@@ -3800,7 +3864,8 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx)
n_hc = mv_get_hc_count(host->ports[0]->flags);
for (port = 0; port < host->n_ports; port++)
- hpriv->ops->read_preamp(hpriv, port, mmio);
+ if (hpriv->ops->read_preamp)
+ hpriv->ops->read_preamp(hpriv, port, mmio);
rc = hpriv->ops->reset_hc(hpriv, mmio, n_hc);
if (rc)
diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c
index dce3dccced3f..eb05a3c82a9e 100644
--- a/drivers/ata/sata_sx4.c
+++ b/drivers/ata/sata_sx4.c
@@ -213,8 +213,9 @@ struct pdc_host_priv {
static int pdc_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
-static void pdc_eng_timeout(struct ata_port *ap);
-static void pdc_20621_phy_reset(struct ata_port *ap);
+static void pdc_error_handler(struct ata_port *ap);
+static void pdc_freeze(struct ata_port *ap);
+static void pdc_thaw(struct ata_port *ap);
static int pdc_port_start(struct ata_port *ap);
static void pdc20621_qc_prep(struct ata_queued_cmd *qc);
static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
@@ -233,6 +234,10 @@ static void pdc20621_put_to_dimm(struct ata_host *host,
void *psource, u32 offset, u32 size);
static void pdc20621_irq_clear(struct ata_port *ap);
static unsigned int pdc20621_qc_issue(struct ata_queued_cmd *qc);
+static int pdc_softreset(struct ata_link *link, unsigned int *class,
+ unsigned long deadline);
+static void pdc_post_internal_cmd(struct ata_queued_cmd *qc);
+static int pdc_check_atapi_dma(struct ata_queued_cmd *qc);
static struct scsi_host_template pdc_sata_sht = {
@@ -243,20 +248,24 @@ static struct scsi_host_template pdc_sata_sht = {
/* TODO: inherit from base port_ops after converting to new EH */
static struct ata_port_operations pdc_20621_ops = {
- .sff_tf_load = pdc_tf_load_mmio,
- .sff_tf_read = ata_sff_tf_read,
- .sff_check_status = ata_sff_check_status,
- .sff_exec_command = pdc_exec_command_mmio,
- .sff_dev_select = ata_sff_dev_select,
- .phy_reset = pdc_20621_phy_reset,
+ .inherits = &ata_sff_port_ops,
+
+ .check_atapi_dma = pdc_check_atapi_dma,
.qc_prep = pdc20621_qc_prep,
.qc_issue = pdc20621_qc_issue,
- .qc_fill_rtf = ata_sff_qc_fill_rtf,
- .sff_data_xfer = ata_sff_data_xfer,
- .eng_timeout = pdc_eng_timeout,
- .sff_irq_clear = pdc20621_irq_clear,
- .sff_irq_on = ata_sff_irq_on,
+
+ .freeze = pdc_freeze,
+ .thaw = pdc_thaw,
+ .softreset = pdc_softreset,
+ .error_handler = pdc_error_handler,
+ .lost_interrupt = ATA_OP_NULL,
+ .post_internal_cmd = pdc_post_internal_cmd,
+
.port_start = pdc_port_start,
+
+ .sff_tf_load = pdc_tf_load_mmio,
+ .sff_exec_command = pdc_exec_command_mmio,
+ .sff_irq_clear = pdc20621_irq_clear,
};
static const struct ata_port_info pdc_port_info[] = {
@@ -310,14 +319,6 @@ static int pdc_port_start(struct ata_port *ap)
return 0;
}
-static void pdc_20621_phy_reset(struct ata_port *ap)
-{
- VPRINTK("ENTER\n");
- ap->cbl = ATA_CBL_SATA;
- ata_port_probe(ap);
- ata_bus_reset(ap);
-}
-
static inline void pdc20621_ata_sg(struct ata_taskfile *tf, u8 *buf,
unsigned int portno,
unsigned int total_len)
@@ -686,8 +687,11 @@ static void pdc20621_packet_start(struct ata_queued_cmd *qc)
static unsigned int pdc20621_qc_issue(struct ata_queued_cmd *qc)
{
switch (qc->tf.protocol) {
- case ATA_PROT_DMA:
case ATA_PROT_NODATA:
+ if (qc->tf.flags & ATA_TFLAG_POLLING)
+ break;
+ /*FALLTHROUGH*/
+ case ATA_PROT_DMA:
pdc20621_packet_start(qc);
return 0;
@@ -786,12 +790,7 @@ static inline unsigned int pdc20621_host_intr(struct ata_port *ap,
static void pdc20621_irq_clear(struct ata_port *ap)
{
- struct ata_host *host = ap->host;
- void __iomem *mmio = host->iomap[PDC_MMIO_BAR];
-
- mmio += PDC_CHIP0_OFS;
-
- readl(mmio + PDC_20621_SEQMASK);
+ ioread8(ap->ioaddr.status_addr);
}
static irqreturn_t pdc20621_interrupt(int irq, void *dev_instance)
@@ -859,46 +858,119 @@ static irqreturn_t pdc20621_interrupt(int irq, void *dev_instance)
return IRQ_RETVAL(handled);
}
-static void pdc_eng_timeout(struct ata_port *ap)
+static void pdc_freeze(struct ata_port *ap)
{
- u8 drv_stat;
- struct ata_host *host = ap->host;
- struct ata_queued_cmd *qc;
- unsigned long flags;
+ void __iomem *mmio = ap->ioaddr.cmd_addr;
+ u32 tmp;
- DPRINTK("ENTER\n");
+ /* FIXME: if all 4 ATA engines are stopped, also stop HDMA engine */
- spin_lock_irqsave(&host->lock, flags);
+ tmp = readl(mmio + PDC_CTLSTAT);
+ tmp |= PDC_MASK_INT;
+ tmp &= ~PDC_DMA_ENABLE;
+ writel(tmp, mmio + PDC_CTLSTAT);
+ readl(mmio + PDC_CTLSTAT); /* flush */
+}
- qc = ata_qc_from_tag(ap, ap->link.active_tag);
+static void pdc_thaw(struct ata_port *ap)
+{
+ void __iomem *mmio = ap->ioaddr.cmd_addr;
+ u32 tmp;
- switch (qc->tf.protocol) {
- case ATA_PROT_DMA:
- case ATA_PROT_NODATA:
- ata_port_printk(ap, KERN_ERR, "command timeout\n");
- qc->err_mask |= __ac_err_mask(ata_wait_idle(ap));
- break;
+ /* FIXME: start HDMA engine, if zero ATA engines running */
- default:
- drv_stat = ata_sff_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
+ /* clear IRQ */
+ ioread8(ap->ioaddr.status_addr);
- ata_port_printk(ap, KERN_ERR,
- "unknown timeout, cmd 0x%x stat 0x%x\n",
- qc->tf.command, drv_stat);
+ /* turn IRQ back on */
+ tmp = readl(mmio + PDC_CTLSTAT);
+ tmp &= ~PDC_MASK_INT;
+ writel(tmp, mmio + PDC_CTLSTAT);
+ readl(mmio + PDC_CTLSTAT); /* flush */
+}
- qc->err_mask |= ac_err_mask(drv_stat);
- break;
+static void pdc_reset_port(struct ata_port *ap)
+{
+ void __iomem *mmio = ap->ioaddr.cmd_addr + PDC_CTLSTAT;
+ unsigned int i;
+ u32 tmp;
+
+ /* FIXME: handle HDMA copy engine */
+
+ for (i = 11; i > 0; i--) {
+ tmp = readl(mmio);
+ if (tmp & PDC_RESET)
+ break;
+
+ udelay(100);
+
+ tmp |= PDC_RESET;
+ writel(tmp, mmio);
}
- spin_unlock_irqrestore(&host->lock, flags);
- ata_eh_qc_complete(qc);
- DPRINTK("EXIT\n");
+ tmp &= ~PDC_RESET;
+ writel(tmp, mmio);
+ readl(mmio); /* flush */
+}
+
+static int pdc_softreset(struct ata_link *link, unsigned int *class,
+ unsigned long deadline)
+{
+ pdc_reset_port(link->ap);
+ return ata_sff_softreset(link, class, deadline);
+}
+
+static void pdc_error_handler(struct ata_port *ap)
+{
+ if (!(ap->pflags & ATA_PFLAG_FROZEN))
+ pdc_reset_port(ap);
+
+ ata_std_error_handler(ap);
+}
+
+static void pdc_post_internal_cmd(struct ata_queued_cmd *qc)
+{
+ struct ata_port *ap = qc->ap;
+
+ /* make DMA engine forget about the failed command */
+ if (qc->flags & ATA_QCFLAG_FAILED)
+ pdc_reset_port(ap);
+}
+
+static int pdc_check_atapi_dma(struct ata_queued_cmd *qc)
+{
+ u8 *scsicmd = qc->scsicmd->cmnd;
+ int pio = 1; /* atapi dma off by default */
+
+ /* Whitelist commands that may use DMA. */
+ switch (scsicmd[0]) {
+ case WRITE_12:
+ case WRITE_10:
+ case WRITE_6:
+ case READ_12:
+ case READ_10:
+ case READ_6:
+ case 0xad: /* READ_DVD_STRUCTURE */
+ case 0xbe: /* READ_CD */
+ pio = 0;
+ }
+ /* -45150 (FFFF4FA2) to -1 (FFFFFFFF) shall use PIO mode */
+ if (scsicmd[0] == WRITE_10) {
+ unsigned int lba =
+ (scsicmd[2] << 24) |
+ (scsicmd[3] << 16) |
+ (scsicmd[4] << 8) |
+ scsicmd[5];
+ if (lba >= 0xFFFF4FA2)
+ pio = 1;
+ }
+ return pio;
}
static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
{
WARN_ON(tf->protocol == ATA_PROT_DMA ||
- tf->protocol == ATA_PROT_NODATA);
+ tf->protocol == ATAPI_PROT_DMA);
ata_sff_tf_load(ap, tf);
}
@@ -906,7 +978,7 @@ static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
{
WARN_ON(tf->protocol == ATA_PROT_DMA ||
- tf->protocol == ATA_PROT_NODATA);
+ tf->protocol == ATAPI_PROT_DMA);
ata_sff_exec_command(ap, tf);
}
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index dc030f1f00f1..c6599618523e 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -700,8 +700,10 @@ int bus_add_driver(struct device_driver *drv)
}
kobject_uevent(&priv->kobj, KOBJ_ADD);
- return error;
+ return 0;
out_unregister:
+ kfree(drv->p);
+ drv->p = NULL;
kobject_put(&priv->kobj);
out_put_bus:
bus_put(bus);
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 4aa527b8a913..1977d4beb89e 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -879,7 +879,7 @@ int device_add(struct device *dev)
}
if (!dev_name(dev))
- goto done;
+ goto name_error;
pr_debug("device: '%s': %s\n", dev_name(dev), __func__);
@@ -978,6 +978,9 @@ done:
cleanup_device_parent(dev);
if (parent)
put_device(parent);
+name_error:
+ kfree(dev->p);
+ dev->p = NULL;
goto done;
}
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index c51f11bb29ae..8ae0f63602e0 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -257,6 +257,10 @@ EXPORT_SYMBOL_GPL(driver_register);
*/
void driver_unregister(struct device_driver *drv)
{
+ if (!drv || !drv->p) {
+ WARN(1, "Unexpected driver unregister!\n");
+ return;
+ }
driver_remove_groups(drv, drv->groups);
bus_remove_driver(drv);
}
diff --git a/drivers/base/iommu.c b/drivers/base/iommu.c
index 9f0e672f4be8..8ad4ffea6920 100644
--- a/drivers/base/iommu.c
+++ b/drivers/base/iommu.c
@@ -18,6 +18,8 @@
#include <linux/bug.h>
#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/iommu.h>
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index b5b6c973a2e0..8b4708e06244 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -217,7 +217,6 @@ int platform_device_add_data(struct platform_device *pdev, const void *data,
if (d) {
memcpy(d, data, size);
pdev->dev.platform_data = d;
- pdev->platform_data = d;
}
return d ? 0 : -ENOMEM;
}
@@ -247,21 +246,6 @@ int platform_device_add(struct platform_device *pdev)
else
dev_set_name(&pdev->dev, pdev->name);
- /* We will remove platform_data field from struct device
- * if all platform devices pass its platform specific data
- * from platform_device. The conversion is going to be a
- * long time, so we allow the two cases coexist to make
- * this kind of fix more easily*/
- if (pdev->platform_data && pdev->dev.platform_data) {
- printk(KERN_ERR
- "%s: use which platform_data?\n",
- dev_name(&pdev->dev));
- } else if (pdev->platform_data) {
- pdev->dev.platform_data = pdev->platform_data;
- } else if (pdev->dev.platform_data) {
- pdev->platform_data = pdev->dev.platform_data;
- }
-
for (i = 0; i < pdev->num_resources; i++) {
struct resource *p, *r = &pdev->resource[i];
@@ -1028,7 +1012,7 @@ static __initdata LIST_HEAD(early_platform_device_list);
/**
* early_platform_driver_register
- * @edrv: early_platform driver structure
+ * @epdrv: early_platform driver structure
* @buf: string passed from early_param()
*/
int __init early_platform_driver_register(struct early_platform_driver *epdrv,
@@ -1112,7 +1096,7 @@ void __init early_platform_driver_register_all(char *class_str)
/**
* early_platform_match
- * @edrv: early platform driver structure
+ * @epdrv: early platform driver structure
* @id: id to match against
*/
static __init struct platform_device *
@@ -1130,7 +1114,7 @@ early_platform_match(struct early_platform_driver *epdrv, int id)
/**
* early_platform_left
- * @edrv: early platform driver structure
+ * @epdrv: early platform driver structure
* @id: return true if id or above exists
*/
static __init int early_platform_left(struct early_platform_driver *epdrv,
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 69b4ddb7de3b..3e4bc699bc0f 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -357,6 +357,7 @@ static void dpm_power_up(pm_message_t state)
{
struct device *dev;
+ mutex_lock(&dpm_list_mtx);
list_for_each_entry(dev, &dpm_list, power.entry)
if (dev->power.status > DPM_OFF) {
int error;
@@ -366,6 +367,7 @@ static void dpm_power_up(pm_message_t state)
if (error)
pm_dev_err(dev, state, " early", error);
}
+ mutex_unlock(&dpm_list_mtx);
}
/**
@@ -614,6 +616,7 @@ int device_power_down(pm_message_t state)
int error = 0;
suspend_device_irqs();
+ mutex_lock(&dpm_list_mtx);
list_for_each_entry_reverse(dev, &dpm_list, power.entry) {
error = suspend_device_noirq(dev, state);
if (error) {
@@ -622,6 +625,7 @@ int device_power_down(pm_message_t state)
}
dev->power.status = DPM_OFF_IRQ;
}
+ mutex_unlock(&dpm_list_mtx);
if (error)
device_power_up(resume_event(state));
return error;
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 8f905089b72b..a6cbf7b808e6 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -934,8 +934,6 @@ static void blkfront_closing(struct xenbus_device *dev)
spin_lock_irqsave(&blkif_io_lock, flags);
- del_gendisk(info->gd);
-
/* No more blkif_request(). */
blk_stop_queue(info->rq);
@@ -949,6 +947,8 @@ static void blkfront_closing(struct xenbus_device *dev)
blk_cleanup_queue(info->rq);
info->rq = NULL;
+ del_gendisk(info->gd);
+
out:
xenbus_frontend_closed(dev);
}
@@ -977,8 +977,10 @@ static void backend_changed(struct xenbus_device *dev,
break;
case XenbusStateClosing:
- if (info->gd == NULL)
- xenbus_dev_fatal(dev, -ENODEV, "gd is NULL");
+ if (info->gd == NULL) {
+ xenbus_frontend_closed(dev);
+ break;
+ }
bd = bdget_disk(info->gd, 0);
if (bd == NULL)
xenbus_dev_fatal(dev, -ENODEV, "bdget failed");
diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c
index 13929356135c..9b1624e0ddeb 100644
--- a/drivers/cdrom/viocd.c
+++ b/drivers/cdrom/viocd.c
@@ -587,7 +587,7 @@ static int viocd_probe(struct vio_dev *vdev, const struct vio_device_id *id)
struct device_node *node = vdev->dev.archdata.of_node;
deviceno = vdev->unit_address;
- if (deviceno > VIOCD_MAX_CD)
+ if (deviceno >= VIOCD_MAX_CD)
return -ENODEV;
if (!node)
return -ENODEV;
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index aa83a0865ec1..09050797c76a 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -2856,6 +2856,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers,
/* Assume a single IPMB channel at zero. */
intf->channels[0].medium = IPMI_CHANNEL_MEDIUM_IPMB;
intf->channels[0].protocol = IPMI_CHANNEL_PROTOCOL_IPMB;
+ intf->curr_channel = IPMI_MAX_CHANNELS;
}
if (rv == 0)
@@ -3648,13 +3649,13 @@ static int handle_new_recv_msg(ipmi_smi_t intf,
}
/*
- ** We need to make sure the channels have been initialized.
- ** The channel_handler routine will set the "curr_channel"
- ** equal to or greater than IPMI_MAX_CHANNELS when all the
- ** channels for this interface have been initialized.
- */
+ * We need to make sure the channels have been initialized.
+ * The channel_handler routine will set the "curr_channel"
+ * equal to or greater than IPMI_MAX_CHANNELS when all the
+ * channels for this interface have been initialized.
+ */
if (intf->curr_channel < IPMI_MAX_CHANNELS) {
- requeue = 1; /* Just put the message back for now */
+ requeue = 0; /* Throw the message away */
goto out;
}
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 8f05c38c2f06..65e12bca657c 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -694,6 +694,9 @@ static ssize_t read_zero(struct file * file, char __user * buf,
written += chunk - unwritten;
if (unwritten)
break;
+ /* Consider changing this to just 'signal_pending()' with lots of testing */
+ if (fatal_signal_pending(current))
+ return written ? written : -EINTR;
buf += chunk;
count -= chunk;
cond_resched();
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index a420e8d437dd..13f8871e5b21 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -2711,7 +2711,7 @@ static int __init mxser_module_init(void)
continue;
brd = &mxser_boards[m];
- retval = mxser_get_ISA_conf(!ioaddr[b], brd);
+ retval = mxser_get_ISA_conf(ioaddr[b], brd);
if (retval <= 0) {
brd->info = NULL;
continue;
diff --git a/drivers/char/random.c b/drivers/char/random.c
index f824ef8a9273..8c7444857a4b 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1665,15 +1665,20 @@ EXPORT_SYMBOL(secure_dccp_sequence_number);
* value is not cryptographically secure but for several uses the cost of
* depleting entropy is too high
*/
+DEFINE_PER_CPU(__u32 [4], get_random_int_hash);
unsigned int get_random_int(void)
{
- /*
- * Use IP's RNG. It suits our purpose perfectly: it re-keys itself
- * every second, from the entropy pool (and thus creates a limited
- * drain on it), and uses halfMD4Transform within the second. We
- * also mix it with jiffies and the PID:
- */
- return secure_ip_id((__force __be32)(current->pid + jiffies));
+ struct keydata *keyptr;
+ __u32 *hash = get_cpu_var(get_random_int_hash);
+ int ret;
+
+ keyptr = get_keyptr();
+ hash[0] += current->pid + jiffies + get_cycles();
+
+ ret = half_md4_transform(hash, keyptr->secret);
+ put_cpu_var(get_random_int_hash);
+
+ return ret;
}
/*
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index b0a6a3e51924..d6a807f4077d 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -406,7 +406,7 @@ static struct sysrq_key_op *sysrq_key_table[36] = {
&sysrq_showlocks_op, /* d */
&sysrq_term_op, /* e */
&sysrq_moom_op, /* f */
- /* g: May be registered by ppc for kgdb */
+ /* g: May be registered for the kernel debugger */
NULL, /* g */
NULL, /* h - reserved for help */
&sysrq_kill_op, /* i */
@@ -431,7 +431,7 @@ static struct sysrq_key_op *sysrq_key_table[36] = {
&sysrq_sync_op, /* s */
&sysrq_showstate_op, /* t */
&sysrq_mountro_op, /* u */
- /* v: May be registered at init time by SMP VOYAGER */
+ /* v: May be registered for frame buffer console restore */
NULL, /* v */
&sysrq_showstate_blocked_op, /* w */
/* x: May be registered on ppc/powerpc for xmon */
diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c
index ed306eb1057f..0c2f55a38b95 100644
--- a/drivers/char/tpm/tpm_bios.c
+++ b/drivers/char/tpm/tpm_bios.c
@@ -212,7 +212,8 @@ static int get_event_name(char *dest, struct tcpa_event *event,
unsigned char * event_entry)
{
const char *name = "";
- char data[40] = "";
+ /* 41 so there is room for 40 data and 1 nul */
+ char data[41] = "";
int i, n_len = 0, d_len = 0;
struct tcpa_pc_event *pc_event;
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index a2dee0eb6dad..e6ce632a393e 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -400,6 +400,9 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
case KIOCSOUND:
if (!perm)
goto eperm;
+ /* FIXME: This is an old broken API but we need to keep it
+ supported and somehow separate the historic advertised
+ tick rate from any real one */
if (arg)
arg = CLOCK_TICK_RATE / arg;
kd_mksound(arg, 0);
@@ -417,6 +420,9 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
*/
ticks = HZ * ((arg >> 16) & 0xffff) / 1000;
count = ticks ? (arg & 0xffff) : 0;
+ /* FIXME: This is an old broken API but we need to keep it
+ supported and somehow separate the historic advertised
+ tick rate from any real one */
if (count)
count = CLOCK_TICK_RATE / count;
kd_mksound(count, ticks);
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index d270e8eb3e67..6e2ec0b18948 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -808,7 +808,7 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
ret = -ENOMEM;
goto nomem_out;
}
- if (!alloc_cpumask_var(&policy->related_cpus, GFP_KERNEL)) {
+ if (!zalloc_cpumask_var(&policy->related_cpus, GFP_KERNEL)) {
free_cpumask_var(policy->cpus);
kfree(policy);
ret = -ENOMEM;
@@ -1070,11 +1070,11 @@ static int __cpufreq_remove_dev(struct sys_device *sys_dev)
spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
#endif
+ unlock_policy_rwsem_write(cpu);
+
if (cpufreq_driver->target)
__cpufreq_governor(data, CPUFREQ_GOV_STOP);
- unlock_policy_rwsem_write(cpu);
-
kobject_put(&data->kobj);
/* we need to make sure that the underlying kobj is actually
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 2ecd95e4ab1a..7a74d175287b 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -91,6 +91,9 @@ static unsigned int dbs_enable; /* number of CPUs using this policy */
* (like __cpufreq_driver_target()) is being called with dbs_mutex taken, then
* cpu_hotplug lock should be taken before that. Note that cpu_hotplug lock
* is recursive for the same process. -Venki
+ * DEADLOCK ALERT! (2) : do_dbs_timer() must not take the dbs_mutex, because it
+ * would deadlock with cancel_delayed_work_sync(), which is needed for proper
+ * raceless workqueue teardown.
*/
static DEFINE_MUTEX(dbs_mutex);
@@ -542,7 +545,7 @@ static inline void dbs_timer_init(struct cpu_dbs_info_s *dbs_info)
static inline void dbs_timer_exit(struct cpu_dbs_info_s *dbs_info)
{
dbs_info->enable = 0;
- cancel_delayed_work(&dbs_info->work);
+ cancel_delayed_work_sync(&dbs_info->work);
}
static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 338f428a15b7..e741c339df76 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -98,6 +98,9 @@ static unsigned int dbs_enable; /* number of CPUs using this policy */
* (like __cpufreq_driver_target()) is being called with dbs_mutex taken, then
* cpu_hotplug lock should be taken before that. Note that cpu_hotplug lock
* is recursive for the same process. -Venki
+ * DEADLOCK ALERT! (2) : do_dbs_timer() must not take the dbs_mutex, because it
+ * would deadlock with cancel_delayed_work_sync(), which is needed for proper
+ * raceless workqueue teardown.
*/
static DEFINE_MUTEX(dbs_mutex);
@@ -562,7 +565,7 @@ static inline void dbs_timer_init(struct cpu_dbs_info_s *dbs_info)
static inline void dbs_timer_exit(struct cpu_dbs_info_s *dbs_info)
{
dbs_info->enable = 0;
- cancel_delayed_work(&dbs_info->work);
+ cancel_delayed_work_sync(&dbs_info->work);
}
static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
index f9f05d7a707d..6c6656d3b1e2 100644
--- a/drivers/crypto/ixp4xx_crypto.c
+++ b/drivers/crypto/ixp4xx_crypto.c
@@ -415,6 +415,7 @@ static void crypto_done_action(unsigned long arg)
static int init_ixp_crypto(void)
{
int ret = -ENODEV;
+ u32 msg[2] = { 0, 0 };
if (! ( ~(*IXP4XX_EXP_CFG2) & (IXP4XX_FEATURE_HASH |
IXP4XX_FEATURE_AES | IXP4XX_FEATURE_DES))) {
@@ -426,9 +427,35 @@ static int init_ixp_crypto(void)
return ret;
if (!npe_running(npe_c)) {
- npe_load_firmware(npe_c, npe_name(npe_c), dev);
+ ret = npe_load_firmware(npe_c, npe_name(npe_c), dev);
+ if (ret) {
+ return ret;
+ }
+ if (npe_recv_message(npe_c, msg, "STATUS_MSG"))
+ goto npe_error;
+ } else {
+ if (npe_send_message(npe_c, msg, "STATUS_MSG"))
+ goto npe_error;
+
+ if (npe_recv_message(npe_c, msg, "STATUS_MSG"))
+ goto npe_error;
}
+ switch ((msg[1]>>16) & 0xff) {
+ case 3:
+ printk(KERN_WARNING "Firmware of %s lacks AES support\n",
+ npe_name(npe_c));
+ support_aes = 0;
+ break;
+ case 4:
+ case 5:
+ support_aes = 1;
+ break;
+ default:
+ printk(KERN_ERR "Firmware of %s lacks crypto support\n",
+ npe_name(npe_c));
+ return -ENODEV;
+ }
/* buffer_pool will also be used to sometimes store the hmac,
* so assure it is large enough
*/
@@ -459,6 +486,10 @@ static int init_ixp_crypto(void)
qmgr_enable_irq(RECV_QID);
return 0;
+
+npe_error:
+ printk(KERN_ERR "%s not responding\n", npe_name(npe_c));
+ ret = -EIO;
err:
if (ctx_pool)
dma_pool_destroy(ctx_pool);
diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c
index 3f0fdd18255d..856b3cc25583 100644
--- a/drivers/crypto/padlock-aes.c
+++ b/drivers/crypto/padlock-aes.c
@@ -489,4 +489,4 @@ MODULE_DESCRIPTION("VIA PadLock AES algorithm support");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Michal Ludvig");
-MODULE_ALIAS("aes-all");
+MODULE_ALIAS("aes");
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 92438e9dacc3..5a87384ea4ff 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -804,11 +804,14 @@ dma_async_memcpy_buf_to_buf(struct dma_chan *chan, void *dest,
dma_addr_t dma_dest, dma_src;
dma_cookie_t cookie;
int cpu;
+ unsigned long flags;
dma_src = dma_map_single(dev->dev, src, len, DMA_TO_DEVICE);
dma_dest = dma_map_single(dev->dev, dest, len, DMA_FROM_DEVICE);
- tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len,
- DMA_CTRL_ACK);
+ flags = DMA_CTRL_ACK |
+ DMA_COMPL_SRC_UNMAP_SINGLE |
+ DMA_COMPL_DEST_UNMAP_SINGLE;
+ tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, flags);
if (!tx) {
dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE);
@@ -850,11 +853,12 @@ dma_async_memcpy_buf_to_pg(struct dma_chan *chan, struct page *page,
dma_addr_t dma_dest, dma_src;
dma_cookie_t cookie;
int cpu;
+ unsigned long flags;
dma_src = dma_map_single(dev->dev, kdata, len, DMA_TO_DEVICE);
dma_dest = dma_map_page(dev->dev, page, offset, len, DMA_FROM_DEVICE);
- tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len,
- DMA_CTRL_ACK);
+ flags = DMA_CTRL_ACK | DMA_COMPL_SRC_UNMAP_SINGLE;
+ tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, flags);
if (!tx) {
dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE);
@@ -898,12 +902,13 @@ dma_async_memcpy_pg_to_pg(struct dma_chan *chan, struct page *dest_pg,
dma_addr_t dma_dest, dma_src;
dma_cookie_t cookie;
int cpu;
+ unsigned long flags;
dma_src = dma_map_page(dev->dev, src_pg, src_off, len, DMA_TO_DEVICE);
dma_dest = dma_map_page(dev->dev, dest_pg, dest_off, len,
DMA_FROM_DEVICE);
- tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len,
- DMA_CTRL_ACK);
+ flags = DMA_CTRL_ACK;
+ tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, flags);
if (!tx) {
dma_unmap_page(dev->dev, dma_src, len, DMA_TO_DEVICE);
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index a27c0fb1bc11..fb7da5141e96 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -531,9 +531,7 @@ static int __init dmatest_init(void)
chan = dma_request_channel(mask, filter, NULL);
if (chan) {
err = dmatest_add_channel(chan);
- if (err == 0)
- continue;
- else {
+ if (err) {
dma_release_channel(chan);
break; /* add_channel failed, punt */
}
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index da8a8ed9e411..f18d1bde0439 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -179,9 +179,14 @@ static void dma_halt(struct fsl_dma_chan *fsl_chan)
static void set_ld_eol(struct fsl_dma_chan *fsl_chan,
struct fsl_desc_sw *desc)
{
+ u64 snoop_bits;
+
+ snoop_bits = ((fsl_chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_83XX)
+ ? FSL_DMA_SNEN : 0;
+
desc->hw.next_ln_addr = CPU_TO_DMA(fsl_chan,
- DMA_TO_CPU(fsl_chan, desc->hw.next_ln_addr, 64) | FSL_DMA_EOL,
- 64);
+ DMA_TO_CPU(fsl_chan, desc->hw.next_ln_addr, 64) | FSL_DMA_EOL
+ | snoop_bits, 64);
}
static void append_ld_queue(struct fsl_dma_chan *fsl_chan,
@@ -313,8 +318,8 @@ static void fsl_chan_toggle_ext_start(struct fsl_dma_chan *fsl_chan, int enable)
static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx)
{
- struct fsl_desc_sw *desc = tx_to_fsl_desc(tx);
struct fsl_dma_chan *fsl_chan = to_fsl_chan(tx->chan);
+ struct fsl_desc_sw *desc;
unsigned long flags;
dma_cookie_t cookie;
@@ -322,14 +327,17 @@ static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx)
spin_lock_irqsave(&fsl_chan->desc_lock, flags);
cookie = fsl_chan->common.cookie;
- cookie++;
- if (cookie < 0)
- cookie = 1;
- desc->async_tx.cookie = cookie;
- fsl_chan->common.cookie = desc->async_tx.cookie;
+ list_for_each_entry(desc, &tx->tx_list, node) {
+ cookie++;
+ if (cookie < 0)
+ cookie = 1;
- append_ld_queue(fsl_chan, desc);
- list_splice_init(&desc->async_tx.tx_list, fsl_chan->ld_queue.prev);
+ desc->async_tx.cookie = cookie;
+ }
+
+ fsl_chan->common.cookie = cookie;
+ append_ld_queue(fsl_chan, tx_to_fsl_desc(tx));
+ list_splice_init(&tx->tx_list, fsl_chan->ld_queue.prev);
spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
@@ -454,8 +462,8 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
{
struct fsl_dma_chan *fsl_chan;
struct fsl_desc_sw *first = NULL, *prev = NULL, *new;
+ struct list_head *list;
size_t copy;
- LIST_HEAD(link_chain);
if (!chan)
return NULL;
@@ -472,7 +480,7 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
if (!new) {
dev_err(fsl_chan->dev,
"No free memory for link descriptor\n");
- return NULL;
+ goto fail;
}
#ifdef FSL_DMA_LD_DEBUG
dev_dbg(fsl_chan->dev, "new link desc alloc %p\n", new);
@@ -507,7 +515,19 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
/* Set End-of-link to the last link descriptor of new list*/
set_ld_eol(fsl_chan, new);
- return first ? &first->async_tx : NULL;
+ return &first->async_tx;
+
+fail:
+ if (!first)
+ return NULL;
+
+ list = &first->async_tx.tx_list;
+ list_for_each_entry_safe_reverse(new, prev, list, node) {
+ list_del(&new->node);
+ dma_pool_free(fsl_chan->desc_pool, new, new->async_tx.phys);
+ }
+
+ return NULL;
}
/**
@@ -598,15 +618,16 @@ static void fsl_chan_xfer_ld_queue(struct fsl_dma_chan *fsl_chan)
dma_addr_t next_dest_addr;
unsigned long flags;
+ spin_lock_irqsave(&fsl_chan->desc_lock, flags);
+
if (!dma_is_idle(fsl_chan))
- return;
+ goto out_unlock;
dma_halt(fsl_chan);
/* If there are some link descriptors
* not transfered in queue. We need to start it.
*/
- spin_lock_irqsave(&fsl_chan->desc_lock, flags);
/* Find the first un-transfer desciptor */
for (ld_node = fsl_chan->ld_queue.next;
@@ -617,19 +638,20 @@ static void fsl_chan_xfer_ld_queue(struct fsl_dma_chan *fsl_chan)
fsl_chan->common.cookie) == DMA_SUCCESS);
ld_node = ld_node->next);
- spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
-
if (ld_node != &fsl_chan->ld_queue) {
/* Get the ld start address from ld_queue */
next_dest_addr = to_fsl_desc(ld_node)->async_tx.phys;
- dev_dbg(fsl_chan->dev, "xfer LDs staring from %p\n",
- (void *)next_dest_addr);
+ dev_dbg(fsl_chan->dev, "xfer LDs staring from 0x%llx\n",
+ (unsigned long long)next_dest_addr);
set_cdar(fsl_chan, next_dest_addr);
dma_start(fsl_chan);
} else {
set_cdar(fsl_chan, 0);
set_ndar(fsl_chan, 0);
}
+
+out_unlock:
+ spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
}
/**
@@ -734,8 +756,9 @@ static irqreturn_t fsl_dma_chan_do_interrupt(int irq, void *data)
*/
if (stat & FSL_DMA_SR_EOSI) {
dev_dbg(fsl_chan->dev, "event: End-of-segments INT\n");
- dev_dbg(fsl_chan->dev, "event: clndar %p, nlndar %p\n",
- (void *)get_cdar(fsl_chan), (void *)get_ndar(fsl_chan));
+ dev_dbg(fsl_chan->dev, "event: clndar 0x%llx, nlndar 0x%llx\n",
+ (unsigned long long)get_cdar(fsl_chan),
+ (unsigned long long)get_ndar(fsl_chan));
stat &= ~FSL_DMA_SR_EOSI;
update_cookie = 1;
}
@@ -830,7 +853,7 @@ static int __devinit fsl_dma_chan_probe(struct fsl_dma_device *fdev,
new_fsl_chan->reg.end - new_fsl_chan->reg.start + 1);
new_fsl_chan->id = ((new_fsl_chan->reg.start - 0x100) & 0xfff) >> 7;
- if (new_fsl_chan->id > FSL_DMA_MAX_CHANS_PER_DEVICE) {
+ if (new_fsl_chan->id >= FSL_DMA_MAX_CHANS_PER_DEVICE) {
dev_err(fdev->dev, "There is no %d channel!\n",
new_fsl_chan->id);
err = -EINVAL;
@@ -925,8 +948,8 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev,
}
dev_info(&dev->dev, "Probe the Freescale DMA driver for %s "
- "controller at %p...\n",
- match->compatible, (void *)fdev->reg.start);
+ "controller at 0x%llx...\n",
+ match->compatible, (unsigned long long)fdev->reg.start);
fdev->reg_base = ioremap(fdev->reg.start, fdev->reg.end
- fdev->reg.start + 1);
diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c
index e4fc33c1c32f..a600fc0f7962 100644
--- a/drivers/dma/ioat_dma.c
+++ b/drivers/dma/ioat_dma.c
@@ -173,7 +173,7 @@ static int ioat_dma_enumerate_channels(struct ioatdma_device *device)
xfercap = (xfercap_scale == 0 ? -1 : (1UL << xfercap_scale));
#ifdef CONFIG_I7300_IDLE_IOAT_CHANNEL
- if (i7300_idle_platform_probe(NULL, NULL) == 0) {
+ if (i7300_idle_platform_probe(NULL, NULL, 1) == 0) {
device->common.chancnt--;
}
#endif
@@ -1063,22 +1063,31 @@ static void ioat_dma_cleanup_tasklet(unsigned long data)
static void
ioat_dma_unmap(struct ioat_dma_chan *ioat_chan, struct ioat_desc_sw *desc)
{
- /*
- * yes we are unmapping both _page and _single
- * alloc'd regions with unmap_page. Is this
- * *really* that bad?
- */
- if (!(desc->async_tx.flags & DMA_COMPL_SKIP_DEST_UNMAP))
- pci_unmap_page(ioat_chan->device->pdev,
- pci_unmap_addr(desc, dst),
- pci_unmap_len(desc, len),
- PCI_DMA_FROMDEVICE);
-
- if (!(desc->async_tx.flags & DMA_COMPL_SKIP_SRC_UNMAP))
- pci_unmap_page(ioat_chan->device->pdev,
- pci_unmap_addr(desc, src),
- pci_unmap_len(desc, len),
- PCI_DMA_TODEVICE);
+ if (!(desc->async_tx.flags & DMA_COMPL_SKIP_DEST_UNMAP)) {
+ if (desc->async_tx.flags & DMA_COMPL_DEST_UNMAP_SINGLE)
+ pci_unmap_single(ioat_chan->device->pdev,
+ pci_unmap_addr(desc, dst),
+ pci_unmap_len(desc, len),
+ PCI_DMA_FROMDEVICE);
+ else
+ pci_unmap_page(ioat_chan->device->pdev,
+ pci_unmap_addr(desc, dst),
+ pci_unmap_len(desc, len),
+ PCI_DMA_FROMDEVICE);
+ }
+
+ if (!(desc->async_tx.flags & DMA_COMPL_SKIP_SRC_UNMAP)) {
+ if (desc->async_tx.flags & DMA_COMPL_SRC_UNMAP_SINGLE)
+ pci_unmap_single(ioat_chan->device->pdev,
+ pci_unmap_addr(desc, src),
+ pci_unmap_len(desc, len),
+ PCI_DMA_TODEVICE);
+ else
+ pci_unmap_page(ioat_chan->device->pdev,
+ pci_unmap_addr(desc, src),
+ pci_unmap_len(desc, len),
+ PCI_DMA_TODEVICE);
+ }
}
/**
@@ -1363,6 +1372,7 @@ static int ioat_dma_self_test(struct ioatdma_device *device)
int err = 0;
struct completion cmp;
unsigned long tmo;
+ unsigned long flags;
src = kzalloc(sizeof(u8) * IOAT_TEST_SIZE, GFP_KERNEL);
if (!src)
@@ -1392,8 +1402,9 @@ static int ioat_dma_self_test(struct ioatdma_device *device)
DMA_TO_DEVICE);
dma_dest = dma_map_single(dma_chan->device->dev, dest, IOAT_TEST_SIZE,
DMA_FROM_DEVICE);
+ flags = DMA_COMPL_SRC_UNMAP_SINGLE | DMA_COMPL_DEST_UNMAP_SINGLE;
tx = device->common.device_prep_dma_memcpy(dma_chan, dma_dest, dma_src,
- IOAT_TEST_SIZE, 0);
+ IOAT_TEST_SIZE, flags);
if (!tx) {
dev_err(&device->pdev->dev,
"Self-test prep failed, disabling\n");
diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c
index e202a6ce5573..9a5bc1a7389e 100644
--- a/drivers/dma/ipu/ipu_idmac.c
+++ b/drivers/dma/ipu/ipu_idmac.c
@@ -1272,7 +1272,8 @@ static irqreturn_t idmac_interrupt(int irq, void *dev_id)
/* Other interrupts do not interfere with this channel */
spin_lock(&ichan->lock);
if (unlikely(chan_id != IDMAC_SDC_0 && chan_id != IDMAC_SDC_1 &&
- ((curbuf >> chan_id) & 1) == ichan->active_buffer)) {
+ ((curbuf >> chan_id) & 1) == ichan->active_buffer &&
+ !list_is_last(ichan->queue.next, &ichan->queue))) {
int i = 100;
/* This doesn't help. See comment in ipu_disable_channel() */
@@ -1547,7 +1548,7 @@ static irqreturn_t ic_sof_irq(int irq, void *dev_id)
struct idmac_channel *ichan = dev_id;
printk(KERN_DEBUG "Got SOF IRQ %d on Channel %d\n",
irq, ichan->dma_chan.chan_id);
- disable_irq(irq);
+ disable_irq_nosync(irq);
return IRQ_HANDLED;
}
@@ -1556,7 +1557,7 @@ static irqreturn_t ic_eof_irq(int irq, void *dev_id)
struct idmac_channel *ichan = dev_id;
printk(KERN_DEBUG "Got EOF IRQ %d on Channel %d\n",
irq, ichan->dma_chan.chan_id);
- disable_irq(irq);
+ disable_irq_nosync(irq);
return IRQ_HANDLED;
}
diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig
index e5f5c5a8ba6c..956982f8739b 100644
--- a/drivers/edac/Kconfig
+++ b/drivers/edac/Kconfig
@@ -192,16 +192,20 @@ config EDAC_PPC4XX
config EDAC_AMD8131
tristate "AMD8131 HyperTransport PCI-X Tunnel"
- depends on EDAC_MM_EDAC && PCI
+ depends on EDAC_MM_EDAC && PCI && PPC_MAPLE
help
Support for error detection and correction on the
AMD8131 HyperTransport PCI-X Tunnel chip.
+ Note, add more Kconfig dependency if it's adopted
+ on some machine other than Maple.
config EDAC_AMD8111
tristate "AMD8111 HyperTransport I/O Hub"
- depends on EDAC_MM_EDAC && PCI
+ depends on EDAC_MM_EDAC && PCI && PPC_MAPLE
help
Support for error detection and correction on the
AMD8111 HyperTransport I/O Hub chip.
+ Note, add more Kconfig dependency if it's adopted
+ on some machine other than Maple.
endif # EDAC
diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile
index a5fdcf02f591..59076819135d 100644
--- a/drivers/edac/Makefile
+++ b/drivers/edac/Makefile
@@ -35,3 +35,5 @@ obj-$(CONFIG_EDAC_MPC85XX) += mpc85xx_edac.o
obj-$(CONFIG_EDAC_MV64X60) += mv64x60_edac.o
obj-$(CONFIG_EDAC_CELL) += cell_edac.o
obj-$(CONFIG_EDAC_PPC4XX) += ppc4xx_edac.o
+obj-$(CONFIG_EDAC_AMD8111) += amd8111_edac.o
+obj-$(CONFIG_EDAC_AMD8131) += amd8131_edac.o
diff --git a/drivers/edac/amd8111_edac.c b/drivers/edac/amd8111_edac.c
index 614692181120..2cb58ef743e0 100644
--- a/drivers/edac/amd8111_edac.c
+++ b/drivers/edac/amd8111_edac.c
@@ -389,7 +389,7 @@ static int amd8111_dev_probe(struct pci_dev *dev,
dev_info->edac_dev->dev = &dev_info->dev->dev;
dev_info->edac_dev->mod_name = AMD8111_EDAC_MOD_STR;
dev_info->edac_dev->ctl_name = dev_info->ctl_name;
- dev_info->edac_dev->dev_name = dev_info->dev->dev.bus_id;
+ dev_info->edac_dev->dev_name = dev_name(&dev_info->dev->dev);
if (edac_op_state == EDAC_OPSTATE_POLL)
dev_info->edac_dev->edac_check = dev_info->check;
@@ -473,7 +473,7 @@ static int amd8111_pci_probe(struct pci_dev *dev,
pci_info->edac_dev->dev = &pci_info->dev->dev;
pci_info->edac_dev->mod_name = AMD8111_EDAC_MOD_STR;
pci_info->edac_dev->ctl_name = pci_info->ctl_name;
- pci_info->edac_dev->dev_name = pci_info->dev->dev.bus_id;
+ pci_info->edac_dev->dev_name = dev_name(&pci_info->dev->dev);
if (edac_op_state == EDAC_OPSTATE_POLL)
pci_info->edac_dev->edac_check = pci_info->check;
diff --git a/drivers/edac/amd8131_edac.c b/drivers/edac/amd8131_edac.c
index c083b31cac5a..b432d60c622a 100644
--- a/drivers/edac/amd8131_edac.c
+++ b/drivers/edac/amd8131_edac.c
@@ -287,7 +287,7 @@ static int amd8131_probe(struct pci_dev *dev, const struct pci_device_id *id)
dev_info->edac_dev->dev = &dev_info->dev->dev;
dev_info->edac_dev->mod_name = AMD8131_EDAC_MOD_STR;
dev_info->edac_dev->ctl_name = dev_info->ctl_name;
- dev_info->edac_dev->dev_name = dev_info->dev->dev.bus_id;
+ dev_info->edac_dev->dev_name = dev_name(&dev_info->dev->dev);
if (edac_op_state == EDAC_OPSTATE_POLL)
dev_info->edac_dev->edac_check = amd8131_chipset.check;
diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c
index 7b7ddc2d51c9..420a96e7f2db 100644
--- a/drivers/firmware/iscsi_ibft.c
+++ b/drivers/firmware/iscsi_ibft.c
@@ -754,11 +754,11 @@ static int __init ibft_check_nic_for(struct ibft_nic *nic, int entry)
rc = 1;
break;
case ibft_eth_ip_addr:
- if (!memcmp(nic->dhcp, nulls, sizeof(nic->dhcp)))
+ if (memcmp(nic->ip_addr, nulls, sizeof(nic->ip_addr)))
rc = 1;
break;
case ibft_eth_subnet_mask:
- if (!memcmp(nic->dhcp, nulls, sizeof(nic->dhcp)))
+ if (nic->subnet_mask_prefix)
rc = 1;
break;
case ibft_eth_origin:
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 3a22eb9be378..f5d46e7199d4 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -67,11 +67,18 @@ config DRM_I830
will load the correct one.
config DRM_I915
+ tristate "i915 driver"
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
select FB
- tristate "i915 driver"
+ select FRAMEBUFFER_CONSOLE if !EMBEDDED
+ # i915 depends on ACPI_VIDEO when ACPI is enabled
+ # but for select to work, need to select ACPI_VIDEO's dependencies, ick
+ select VIDEO_OUTPUT_CONTROL if ACPI
+ select BACKLIGHT_CLASS_DEVICE if ACPI
+ select INPUT if ACPI
+ select ACPI_VIDEO if ACPI
help
Choose this option if you have a system that has Intel 830M, 845G,
852GM, 855GM 865G or 915G integrated graphics. If M is selected, the
diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
index 6d80d17f1e96..0411d912d82a 100644
--- a/drivers/gpu/drm/drm_bufs.c
+++ b/drivers/gpu/drm/drm_bufs.c
@@ -170,6 +170,14 @@ static int drm_addmap_core(struct drm_device * dev, resource_size_t offset,
}
DRM_DEBUG("offset = 0x%08llx, size = 0x%08lx, type = %d\n",
(unsigned long long)map->offset, map->size, map->type);
+
+ /* page-align _DRM_SHM maps. They are allocated here so there is no security
+ * hole created by that and it works around various broken drivers that use
+ * a non-aligned quantity to map the SAREA. --BenH
+ */
+ if (map->type == _DRM_SHM)
+ map->size = PAGE_ALIGN(map->size);
+
if ((map->offset & (~(resource_size_t)PAGE_MASK)) || (map->size & (~PAGE_MASK))) {
drm_free(map, sizeof(*map), DRM_MEM_MAPS);
return -EINVAL;
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 94a768871734..8fab7890a363 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -2294,7 +2294,12 @@ int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
}
}
- if (connector->funcs->set_property)
+ /* Do DPMS ourselves */
+ if (property == connector->dev->mode_config.dpms_property) {
+ if (connector->funcs->dpms)
+ (*connector->funcs->dpms)(connector, (int) out_resp->value);
+ ret = 0;
+ } else if (connector->funcs->set_property)
ret = connector->funcs->set_property(connector, property, out_resp->value);
/* store the property value if succesful */
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index a04639dc633d..a6f73f1e99d9 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -199,6 +199,29 @@ static void drm_helper_add_std_modes(struct drm_device *dev,
}
/**
+ * drm_helper_encoder_in_use - check if a given encoder is in use
+ * @encoder: encoder to check
+ *
+ * LOCKING:
+ * Caller must hold mode config lock.
+ *
+ * Walk @encoders's DRM device's mode_config and see if it's in use.
+ *
+ * RETURNS:
+ * True if @encoder is part of the mode_config, false otherwise.
+ */
+bool drm_helper_encoder_in_use(struct drm_encoder *encoder)
+{
+ struct drm_connector *connector;
+ struct drm_device *dev = encoder->dev;
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head)
+ if (connector->encoder == encoder)
+ return true;
+ return false;
+}
+EXPORT_SYMBOL(drm_helper_encoder_in_use);
+
+/**
* drm_helper_crtc_in_use - check if a given CRTC is in a mode_config
* @crtc: CRTC to check
*
@@ -216,7 +239,7 @@ bool drm_helper_crtc_in_use(struct drm_crtc *crtc)
struct drm_device *dev = crtc->dev;
/* FIXME: Locking around list access? */
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
- if (encoder->crtc == crtc)
+ if (encoder->crtc == crtc && drm_helper_encoder_in_use(encoder))
return true;
return false;
}
@@ -240,7 +263,7 @@ void drm_helper_disable_unused_functions(struct drm_device *dev)
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
encoder_funcs = encoder->helper_private;
- if (!encoder->crtc)
+ if (!drm_helper_encoder_in_use(encoder))
(*encoder_funcs->dpms)(encoder, DRM_MODE_DPMS_OFF);
}
@@ -561,7 +584,6 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
int saved_x, saved_y;
struct drm_encoder *encoder;
bool ret = true;
- bool depth_changed, bpp_changed;
adjusted_mode = drm_mode_duplicate(dev, mode);
@@ -570,15 +592,6 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
if (!crtc->enabled)
return true;
- if (old_fb && crtc->fb) {
- depth_changed = (old_fb->depth != crtc->fb->depth);
- bpp_changed = (old_fb->bits_per_pixel !=
- crtc->fb->bits_per_pixel);
- } else {
- depth_changed = true;
- bpp_changed = true;
- }
-
saved_mode = crtc->mode;
saved_x = crtc->x;
saved_y = crtc->y;
@@ -590,15 +603,6 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
crtc->x = x;
crtc->y = y;
- if (drm_mode_equal(&saved_mode, &crtc->mode)) {
- if (saved_x != crtc->x || saved_y != crtc->y ||
- depth_changed || bpp_changed) {
- ret = !crtc_funcs->mode_set_base(crtc, crtc->x, crtc->y,
- old_fb);
- goto done;
- }
- }
-
/* Pass our mode to the connectors and the CRTC to give them a chance to
* adjust it according to limitations or connector properties, and also
* a chance to reject the mode entirely.
@@ -954,6 +958,88 @@ bool drm_helper_initial_config(struct drm_device *dev)
}
EXPORT_SYMBOL(drm_helper_initial_config);
+static int drm_helper_choose_encoder_dpms(struct drm_encoder *encoder)
+{
+ int dpms = DRM_MODE_DPMS_OFF;
+ struct drm_connector *connector;
+ struct drm_device *dev = encoder->dev;
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head)
+ if (connector->encoder == encoder)
+ if (connector->dpms < dpms)
+ dpms = connector->dpms;
+ return dpms;
+}
+
+static int drm_helper_choose_crtc_dpms(struct drm_crtc *crtc)
+{
+ int dpms = DRM_MODE_DPMS_OFF;
+ struct drm_connector *connector;
+ struct drm_device *dev = crtc->dev;
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head)
+ if (connector->encoder && connector->encoder->crtc == crtc)
+ if (connector->dpms < dpms)
+ dpms = connector->dpms;
+ return dpms;
+}
+
+/**
+ * drm_helper_connector_dpms
+ * @connector affected connector
+ * @mode DPMS mode
+ *
+ * Calls the low-level connector DPMS function, then
+ * calls appropriate encoder and crtc DPMS functions as well
+ */
+void drm_helper_connector_dpms(struct drm_connector *connector, int mode)
+{
+ struct drm_encoder *encoder = connector->encoder;
+ struct drm_crtc *crtc = encoder ? encoder->crtc : NULL;
+ int old_dpms;
+
+ if (mode == connector->dpms)
+ return;
+
+ old_dpms = connector->dpms;
+ connector->dpms = mode;
+
+ /* from off to on, do crtc then encoder */
+ if (mode < old_dpms) {
+ if (crtc) {
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+ if (crtc_funcs->dpms)
+ (*crtc_funcs->dpms) (crtc,
+ drm_helper_choose_crtc_dpms(crtc));
+ }
+ if (encoder) {
+ struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
+ if (encoder_funcs->dpms)
+ (*encoder_funcs->dpms) (encoder,
+ drm_helper_choose_encoder_dpms(encoder));
+ }
+ }
+
+ /* from on to off, do encoder then crtc */
+ if (mode > old_dpms) {
+ if (encoder) {
+ struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
+ if (encoder_funcs->dpms)
+ (*encoder_funcs->dpms) (encoder,
+ drm_helper_choose_encoder_dpms(encoder));
+ }
+ if (crtc) {
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+ if (crtc_funcs->dpms)
+ (*crtc_funcs->dpms) (crtc,
+ drm_helper_choose_crtc_dpms(crtc));
+ }
+ }
+
+ return;
+}
+EXPORT_SYMBOL(drm_helper_connector_dpms);
+
/**
* drm_hotplug_stage_two
* @dev DRM device
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index c4ada8b6295b..019b7c578236 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -456,7 +456,8 @@ int drm_ioctl(struct inode *inode, struct file *filp,
retcode = -EINVAL;
} else if (((ioctl->flags & DRM_ROOT_ONLY) && !capable(CAP_SYS_ADMIN)) ||
((ioctl->flags & DRM_AUTH) && !file_priv->authenticated) ||
- ((ioctl->flags & DRM_MASTER) && !file_priv->is_master)) {
+ ((ioctl->flags & DRM_MASTER) && !file_priv->is_master) ||
+ (!(ioctl->flags & DRM_CONTROL_ALLOW) && (file_priv->minor->type == DRM_MINOR_CONTROL))) {
retcode = -EACCES;
} else {
if (cmd & (IOC_IN | IOC_OUT)) {
@@ -480,7 +481,7 @@ int drm_ioctl(struct inode *inode, struct file *filp,
}
retcode = func(dev, kdata, file_priv);
- if ((retcode == 0) && (cmd & IOC_OUT)) {
+ if (cmd & IOC_OUT) {
if (copy_to_user((void __user *)arg, kdata,
_IOC_SIZE(cmd)) != 0)
retcode = -EFAULT;
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index ca9c61656714..6f6b26479d82 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -289,6 +289,11 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
struct drm_display_mode *mode;
struct detailed_pixel_timing *pt = &timing->data.pixel_data;
+ /* ignore tiny modes */
+ if (((pt->hactive_hi << 8) | pt->hactive_lo) < 64 ||
+ ((pt->vactive_hi << 8) | pt->hactive_lo) < 64)
+ return NULL;
+
if (pt->stereo) {
printk(KERN_WARNING "stereo mode not supported\n");
return NULL;
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 93e677a481f5..fc8e5acd9d9a 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -196,6 +196,7 @@ int drm_irq_install(struct drm_device *dev)
{
int ret = 0;
unsigned long sh_flags = 0;
+ char *irqname;
if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
return -EINVAL;
@@ -227,8 +228,13 @@ int drm_irq_install(struct drm_device *dev)
if (drm_core_check_feature(dev, DRIVER_IRQ_SHARED))
sh_flags = IRQF_SHARED;
+ if (dev->devname)
+ irqname = dev->devname;
+ else
+ irqname = dev->driver->name;
+
ret = request_irq(drm_dev_to_irq(dev), dev->driver->irq_handler,
- sh_flags, dev->devname, dev);
+ sh_flags, irqname, dev);
if (ret < 0) {
mutex_lock(&dev->struct_mutex);
diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index ef878615c49f..b9631e3a1ea6 100644
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -402,14 +402,14 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
if (dev->driver->load) {
ret = dev->driver->load(dev, ent->driver_data);
if (ret)
- goto err_g3;
+ goto err_g4;
}
/* setup the grouping for the legacy output */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
ret = drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group);
if (ret)
- goto err_g3;
+ goto err_g4;
}
list_add_tail(&dev->driver_item, &driver->device_list);
@@ -420,8 +420,11 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
return 0;
-err_g3:
+err_g4:
drm_put_minor(&dev->primary);
+err_g3:
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
+ drm_put_minor(&dev->control);
err_g2:
pci_disable_device(pdev);
err_g1:
@@ -502,11 +505,11 @@ void drm_put_dev(struct drm_device *dev)
dev->agp = NULL;
}
- drm_ht_remove(&dev->map_hash);
- drm_ctxbitmap_cleanup(dev);
-
list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head)
drm_rmmap(dev, r_list->map);
+ drm_ht_remove(&dev->map_hash);
+
+ drm_ctxbitmap_cleanup(dev);
if (drm_core_check_feature(dev, DRIVER_MODESET))
drm_put_minor(&dev->control);
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index 022876ae34f0..9987ab880835 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -147,7 +147,7 @@ static ssize_t status_show(struct device *device,
enum drm_connector_status status;
status = connector->funcs->detect(connector);
- return snprintf(buf, PAGE_SIZE, "%s",
+ return snprintf(buf, PAGE_SIZE, "%s\n",
drm_get_connector_status_name(status));
}
@@ -166,7 +166,7 @@ static ssize_t dpms_show(struct device *device,
if (ret)
return 0;
- return snprintf(buf, PAGE_SIZE, "%s",
+ return snprintf(buf, PAGE_SIZE, "%s\n",
drm_get_dpms_name((int)dpms_status));
}
@@ -176,7 +176,7 @@ static ssize_t enabled_show(struct device *device,
{
struct drm_connector *connector = to_drm_connector(device);
- return snprintf(buf, PAGE_SIZE, connector->encoder ? "enabled" :
+ return snprintf(buf, PAGE_SIZE, "%s\n", connector->encoder ? "enabled" :
"disabled");
}
@@ -317,6 +317,7 @@ static struct device_attribute connector_attrs_opt1[] = {
static struct bin_attribute edid_attr = {
.attr.name = "edid",
+ .attr.mode = 0444,
.size = 128,
.read = edid_show,
};
@@ -489,9 +490,7 @@ int drm_sysfs_device_add(struct drm_minor *minor)
return 0;
- device_unregister(&minor->kdev);
err_out:
-
return err;
}
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 051134c56aef..0ccb63ee50ee 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -987,12 +987,6 @@ static int i915_load_modeset_init(struct drm_device *dev)
int fb_bar = IS_I9XX(dev) ? 2 : 0;
int ret = 0;
- dev->devname = kstrdup(DRIVER_NAME, GFP_KERNEL);
- if (!dev->devname) {
- ret = -ENOMEM;
- goto out;
- }
-
dev->mode_config.fb_base = drm_get_resource_start(dev, fb_bar) &
0xff000000;
@@ -1006,17 +1000,25 @@ static int i915_load_modeset_init(struct drm_device *dev)
ret = i915_probe_agp(dev, &agp_size, &prealloc_size);
if (ret)
- goto kfree_devname;
+ goto out;
/* Basic memrange allocator for stolen space (aka vram) */
drm_mm_init(&dev_priv->vram, 0, prealloc_size);
- /* Let GEM Manage from end of prealloc space to end of aperture */
- i915_gem_do_init(dev, prealloc_size, agp_size);
+ /* Let GEM Manage from end of prealloc space to end of aperture.
+ *
+ * However, leave one page at the end still bound to the scratch page.
+ * There are a number of places where the hardware apparently
+ * prefetches past the end of the object, and we've seen multiple
+ * hangs with the GPU head pointer stuck in a batchbuffer bound
+ * at the last page of the aperture. One page should be enough to
+ * keep any prefetching inside of the aperture.
+ */
+ i915_gem_do_init(dev, prealloc_size, agp_size - 4096);
ret = i915_gem_init_ringbuffer(dev);
if (ret)
- goto kfree_devname;
+ goto out;
/* Allow hardware batchbuffers unless told otherwise.
*/
@@ -1048,8 +1050,6 @@ static int i915_load_modeset_init(struct drm_device *dev)
destroy_ringbuffer:
i915_gem_cleanup_ringbuffer(dev);
-kfree_devname:
- kfree(dev->devname);
out:
return ret;
}
@@ -1350,6 +1350,7 @@ struct drm_ioctl_desc i915_ioctls[] = {
DRM_IOCTL_DEF(DRM_I915_GEM_SET_TILING, i915_gem_set_tiling, 0),
DRM_IOCTL_DEF(DRM_I915_GEM_GET_TILING, i915_gem_get_tiling, 0),
DRM_IOCTL_DEF(DRM_I915_GEM_GET_APERTURE, i915_gem_get_aperture_ioctl, 0),
+ DRM_IOCTL_DEF(DRM_I915_GET_PIPE_FROM_CRTC_ID, intel_get_pipe_from_crtc_id, 0),
};
int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 25065923b8a8..c431fa54bbb5 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -180,7 +180,8 @@ typedef struct drm_i915_private {
int backlight_duty_cycle; /* restore backlight to this value */
bool panel_wants_dither;
struct drm_display_mode *panel_fixed_mode;
- struct drm_display_mode *vbt_mode; /* if any */
+ struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
+ struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
/* Feature bits from the VBIOS */
unsigned int int_tv_support:1;
@@ -283,6 +284,7 @@ typedef struct drm_i915_private {
u8 saveAR[21];
u8 saveDACMASK;
u8 saveCR[37];
+ uint64_t saveFENCE[16];
struct {
struct drm_mm gtt_space;
@@ -705,13 +707,8 @@ extern void intel_modeset_cleanup(struct drm_device *dev);
#define I915_WRITE16(reg, val) writel(val, dev_priv->regs + (reg))
#define I915_READ8(reg) readb(dev_priv->regs + (reg))
#define I915_WRITE8(reg, val) writeb(val, dev_priv->regs + (reg))
-#ifdef writeq
#define I915_WRITE64(reg, val) writeq(val, dev_priv->regs + (reg))
-#else
-#define I915_WRITE64(reg, val) (writel(val, dev_priv->regs + (reg)), \
- writel(upper_32_bits(val), dev_priv->regs + \
- (reg) + 4))
-#endif
+#define I915_READ64(reg) readq(dev_priv->regs + (reg))
#define POSTING_READ(reg) (void)I915_READ(reg)
#define I915_VERBOSE 0
@@ -790,7 +787,8 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
(dev)->pci_device == 0x2E22 || \
(dev)->pci_device == 0x2E32)
-#define IS_I965GM(dev) ((dev)->pci_device == 0x2A02)
+#define IS_I965GM(dev) ((dev)->pci_device == 0x2A02 || \
+ (dev)->pci_device == 0x2A12)
#define IS_GM45(dev) ((dev)->pci_device == 0x2A42)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index ee896d91c5bc..39f5c658ef5e 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -349,7 +349,7 @@ i915_gem_shmem_pread_slow(struct drm_device *dev, struct drm_gem_object *obj,
last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
num_pages = last_data_page - first_data_page + 1;
- user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+ user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
if (user_pages == NULL)
return -ENOMEM;
@@ -429,7 +429,7 @@ fail_put_user_pages:
SetPageDirty(user_pages[i]);
page_cache_release(user_pages[i]);
}
- kfree(user_pages);
+ drm_free_large(user_pages);
return ret;
}
@@ -649,7 +649,7 @@ i915_gem_gtt_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj,
last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
num_pages = last_data_page - first_data_page + 1;
- user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+ user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
if (user_pages == NULL)
return -ENOMEM;
@@ -719,7 +719,7 @@ out_unlock:
out_unpin_pages:
for (i = 0; i < pinned_pages; i++)
page_cache_release(user_pages[i]);
- kfree(user_pages);
+ drm_free_large(user_pages);
return ret;
}
@@ -824,7 +824,7 @@ i915_gem_shmem_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj,
last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
num_pages = last_data_page - first_data_page + 1;
- user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+ user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
if (user_pages == NULL)
return -ENOMEM;
@@ -902,7 +902,7 @@ fail_unlock:
fail_put_user_pages:
for (i = 0; i < pinned_pages; i++)
page_cache_release(user_pages[i]);
- kfree(user_pages);
+ drm_free_large(user_pages);
return ret;
}
@@ -1145,7 +1145,14 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
mutex_unlock(&dev->struct_mutex);
return VM_FAULT_SIGBUS;
}
- list_add(&obj_priv->list, &dev_priv->mm.inactive_list);
+
+ ret = i915_gem_object_set_to_gtt_domain(obj, write);
+ if (ret) {
+ mutex_unlock(&dev->struct_mutex);
+ return VM_FAULT_SIGBUS;
+ }
+
+ list_add_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
}
/* Need a new fence register? */
@@ -1375,7 +1382,7 @@ i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data,
mutex_unlock(&dev->struct_mutex);
return ret;
}
- list_add(&obj_priv->list, &dev_priv->mm.inactive_list);
+ list_add_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
}
drm_gem_object_unreference(obj);
@@ -1408,9 +1415,7 @@ i915_gem_object_put_pages(struct drm_gem_object *obj)
}
obj_priv->dirty = 0;
- drm_free(obj_priv->pages,
- page_count * sizeof(struct page *),
- DRM_MEM_DRIVER);
+ drm_free_large(obj_priv->pages);
obj_priv->pages = NULL;
}
@@ -1691,11 +1696,20 @@ static int
i915_wait_request(struct drm_device *dev, uint32_t seqno)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ u32 ier;
int ret = 0;
BUG_ON(seqno == 0);
if (!i915_seqno_passed(i915_get_gem_seqno(dev), seqno)) {
+ ier = I915_READ(IER);
+ if (!ier) {
+ DRM_ERROR("something (likely vbetool) disabled "
+ "interrupts, re-enabling\n");
+ i915_driver_irq_preinstall(dev);
+ i915_driver_irq_postinstall(dev);
+ }
+
dev_priv->mm.waiting_gem_seqno = seqno;
i915_user_irq_get(dev);
ret = wait_event_interruptible(dev_priv->irq_queue,
@@ -2015,8 +2029,7 @@ i915_gem_object_get_pages(struct drm_gem_object *obj)
*/
page_count = obj->size / PAGE_SIZE;
BUG_ON(obj_priv->pages != NULL);
- obj_priv->pages = drm_calloc(page_count, sizeof(struct page *),
- DRM_MEM_DRIVER);
+ obj_priv->pages = drm_calloc_large(page_count, sizeof(struct page *));
if (obj_priv->pages == NULL) {
DRM_ERROR("Faled to allocate page list\n");
obj_priv->pages_refcount--;
@@ -2122,8 +2135,10 @@ static void i830_write_fence_reg(struct drm_i915_fence_reg *reg)
return;
}
- pitch_val = (obj_priv->stride / 128) - 1;
- WARN_ON(pitch_val & ~0x0000000f);
+ pitch_val = obj_priv->stride / 128;
+ pitch_val = ffs(pitch_val) - 1;
+ WARN_ON(pitch_val > I830_FENCE_MAX_PITCH_VAL);
+
val = obj_priv->gtt_offset;
if (obj_priv->tiling_mode == I915_TILING_Y)
val |= 1 << I830_FENCE_TILING_Y_SHIFT;
@@ -2245,9 +2260,6 @@ try_again:
goto try_again;
}
- BUG_ON(old_obj_priv->active ||
- (reg->obj->write_domain & I915_GEM_GPU_DOMAINS));
-
/*
* Zap this virtual mapping so we can set up a fence again
* for this object next time we need it.
@@ -2415,6 +2427,16 @@ i915_gem_clflush_object(struct drm_gem_object *obj)
if (obj_priv->pages == NULL)
return;
+ /* XXX: The 865 in particular appears to be weird in how it handles
+ * cache flushing. We haven't figured it out, but the
+ * clflush+agp_chipset_flush doesn't appear to successfully get the
+ * data visible to the PGU, while wbinvd + agp_chipset_flush does.
+ */
+ if (IS_I865G(obj->dev)) {
+ wbinvd();
+ return;
+ }
+
drm_clflush_pages(obj_priv->pages, obj->size / PAGE_SIZE);
}
@@ -3102,7 +3124,7 @@ i915_gem_get_relocs_from_user(struct drm_i915_gem_exec_object *exec_list,
reloc_count += exec_list[i].relocation_count;
}
- *relocs = drm_calloc(reloc_count, sizeof(**relocs), DRM_MEM_DRIVER);
+ *relocs = drm_calloc_large(reloc_count, sizeof(**relocs));
if (*relocs == NULL)
return -ENOMEM;
@@ -3116,8 +3138,7 @@ i915_gem_get_relocs_from_user(struct drm_i915_gem_exec_object *exec_list,
exec_list[i].relocation_count *
sizeof(**relocs));
if (ret != 0) {
- drm_free(*relocs, reloc_count * sizeof(**relocs),
- DRM_MEM_DRIVER);
+ drm_free_large(*relocs);
*relocs = NULL;
return -EFAULT;
}
@@ -3156,7 +3177,7 @@ i915_gem_put_relocs_to_user(struct drm_i915_gem_exec_object *exec_list,
}
err:
- drm_free(relocs, reloc_count * sizeof(*relocs), DRM_MEM_DRIVER);
+ drm_free_large(relocs);
return ret;
}
@@ -3189,10 +3210,8 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
return -EINVAL;
}
/* Copy in the exec list from userland */
- exec_list = drm_calloc(sizeof(*exec_list), args->buffer_count,
- DRM_MEM_DRIVER);
- object_list = drm_calloc(sizeof(*object_list), args->buffer_count,
- DRM_MEM_DRIVER);
+ exec_list = drm_calloc_large(sizeof(*exec_list), args->buffer_count);
+ object_list = drm_calloc_large(sizeof(*object_list), args->buffer_count);
if (exec_list == NULL || object_list == NULL) {
DRM_ERROR("Failed to allocate exec or object list "
"for %d buffers\n",
@@ -3453,10 +3472,8 @@ err:
}
pre_mutex_err:
- drm_free(object_list, sizeof(*object_list) * args->buffer_count,
- DRM_MEM_DRIVER);
- drm_free(exec_list, sizeof(*exec_list) * args->buffer_count,
- DRM_MEM_DRIVER);
+ drm_free_large(object_list);
+ drm_free_large(exec_list);
drm_free(cliprects, sizeof(*cliprects) * args->num_cliprects,
DRM_MEM_DRIVER);
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 52a059354e83..540dd336e6ec 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -213,7 +213,8 @@ i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode)
if (tiling_mode == I915_TILING_NONE)
return true;
- if (tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev))
+ if (!IS_I9XX(dev) ||
+ (tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev)))
tile_width = 128;
else
tile_width = 512;
@@ -225,11 +226,18 @@ i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode)
if (stride / 128 > I965_FENCE_MAX_PITCH_VAL)
return false;
} else if (IS_I9XX(dev)) {
- if (stride / tile_width > I830_FENCE_MAX_PITCH_VAL ||
+ uint32_t pitch_val = ffs(stride / tile_width) - 1;
+
+ /* XXX: For Y tiling, FENCE_MAX_PITCH_VAL is actually 6 (8KB)
+ * instead of 4 (2KB) on 945s.
+ */
+ if (pitch_val > I915_FENCE_MAX_PITCH_VAL ||
size > (I830_FENCE_MAX_SIZE_VAL << 20))
return false;
} else {
- if (stride / 128 > I830_FENCE_MAX_PITCH_VAL ||
+ uint32_t pitch_val = ffs(stride / tile_width) - 1;
+
+ if (pitch_val > I830_FENCE_MAX_PITCH_VAL ||
size > (I830_FENCE_MAX_SIZE_VAL << 19))
return false;
}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 521194732266..375569d01d01 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -190,7 +190,8 @@
#define I830_FENCE_SIZE_BITS(size) ((ffs((size) >> 19) - 1) << 8)
#define I830_FENCE_PITCH_SHIFT 4
#define I830_FENCE_REG_VALID (1<<0)
-#define I830_FENCE_MAX_PITCH_VAL 0x10
+#define I915_FENCE_MAX_PITCH_VAL 0x10
+#define I830_FENCE_MAX_PITCH_VAL 6
#define I830_FENCE_MAX_SIZE_VAL (1<<8)
#define I915_FENCE_START_MASK 0x0ff00000
@@ -526,6 +527,7 @@
#define DPLLA_INPUT_BUFFER_ENABLE (1 << 0)
#define D_STATE 0x6104
#define CG_2D_DIS 0x6200
+#define DPCUNIT_CLOCK_GATE_DISABLE (1 << 24)
#define CG_3D_DIS 0x6204
/*
@@ -1409,9 +1411,25 @@
/* Cursor A & B regs */
#define CURACNTR 0x70080
+/* Old style CUR*CNTR flags (desktop 8xx) */
+#define CURSOR_ENABLE 0x80000000
+#define CURSOR_GAMMA_ENABLE 0x40000000
+#define CURSOR_STRIDE_MASK 0x30000000
+#define CURSOR_FORMAT_SHIFT 24
+#define CURSOR_FORMAT_MASK (0x07 << CURSOR_FORMAT_SHIFT)
+#define CURSOR_FORMAT_2C (0x00 << CURSOR_FORMAT_SHIFT)
+#define CURSOR_FORMAT_3C (0x01 << CURSOR_FORMAT_SHIFT)
+#define CURSOR_FORMAT_4C (0x02 << CURSOR_FORMAT_SHIFT)
+#define CURSOR_FORMAT_ARGB (0x04 << CURSOR_FORMAT_SHIFT)
+#define CURSOR_FORMAT_XRGB (0x05 << CURSOR_FORMAT_SHIFT)
+/* New style CUR*CNTR flags */
+#define CURSOR_MODE 0x27
#define CURSOR_MODE_DISABLE 0x00
#define CURSOR_MODE_64_32B_AX 0x07
#define CURSOR_MODE_64_ARGB_AX ((1 << 5) | CURSOR_MODE_64_32B_AX)
+#define MCURSOR_PIPE_SELECT (1 << 28)
+#define MCURSOR_PIPE_A 0x00
+#define MCURSOR_PIPE_B (1 << 28)
#define MCURSOR_GAMMA_ENABLE (1 << 26)
#define CURABASE 0x70084
#define CURAPOS 0x70088
@@ -1419,6 +1437,7 @@
#define CURSOR_POS_SIGN 0x8000
#define CURSOR_X_SHIFT 0
#define CURSOR_Y_SHIFT 16
+#define CURSIZE 0x700a0
#define CURBCNTR 0x700c0
#define CURBBASE 0x700c4
#define CURBPOS 0x700c8
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index d669cc2b42c0..ce8a21344a71 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -349,6 +349,18 @@ int i915_save_state(struct drm_device *dev)
for (i = 0; i < 3; i++)
dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2));
+ /* Fences */
+ if (IS_I965G(dev)) {
+ for (i = 0; i < 16; i++)
+ dev_priv->saveFENCE[i] = I915_READ64(FENCE_REG_965_0 + (i * 8));
+ } else {
+ for (i = 0; i < 8; i++)
+ dev_priv->saveFENCE[i] = I915_READ(FENCE_REG_830_0 + (i * 4));
+
+ if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
+ for (i = 0; i < 8; i++)
+ dev_priv->saveFENCE[i+8] = I915_READ(FENCE_REG_945_8 + (i * 4));
+ }
i915_save_vga(dev);
return 0;
@@ -371,6 +383,18 @@ int i915_restore_state(struct drm_device *dev)
/* Display arbitration */
I915_WRITE(DSPARB, dev_priv->saveDSPARB);
+ /* Fences */
+ if (IS_I965G(dev)) {
+ for (i = 0; i < 16; i++)
+ I915_WRITE64(FENCE_REG_965_0 + (i * 8), dev_priv->saveFENCE[i]);
+ } else {
+ for (i = 0; i < 8; i++)
+ I915_WRITE(FENCE_REG_830_0 + (i * 4), dev_priv->saveFENCE[i]);
+ if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
+ for (i = 0; i < 8; i++)
+ I915_WRITE(FENCE_REG_945_8 + (i * 4), dev_priv->saveFENCE[i+8]);
+ }
+
/* Pipe & plane A info */
/* Prime the clock */
if (dev_priv->saveDPLL_A & DPLL_VCO_ENABLE) {
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index fc28e2bbd542..9d78cff33b24 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -57,9 +57,43 @@ find_section(struct bdb_header *bdb, int section_id)
return NULL;
}
-/* Try to find panel data */
static void
-parse_panel_data(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
+fill_detail_timing_data(struct drm_display_mode *panel_fixed_mode,
+ struct lvds_dvo_timing *dvo_timing)
+{
+ panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) |
+ dvo_timing->hactive_lo;
+ panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay +
+ ((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo);
+ panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start +
+ dvo_timing->hsync_pulse_width;
+ panel_fixed_mode->htotal = panel_fixed_mode->hdisplay +
+ ((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo);
+
+ panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) |
+ dvo_timing->vactive_lo;
+ panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay +
+ dvo_timing->vsync_off;
+ panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start +
+ dvo_timing->vsync_pulse_width;
+ panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay +
+ ((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo);
+ panel_fixed_mode->clock = dvo_timing->clock * 10;
+ panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED;
+
+ /* Some VBTs have bogus h/vtotal values */
+ if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal)
+ panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1;
+ if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal)
+ panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1;
+
+ drm_mode_set_name(panel_fixed_mode);
+}
+
+/* Try to find integrated panel data */
+static void
+parse_lfp_panel_data(struct drm_i915_private *dev_priv,
+ struct bdb_header *bdb)
{
struct bdb_lvds_options *lvds_options;
struct bdb_lvds_lfp_data *lvds_lfp_data;
@@ -91,38 +125,45 @@ parse_panel_data(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
panel_fixed_mode = drm_calloc(1, sizeof(*panel_fixed_mode),
DRM_MEM_DRIVER);
- panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) |
- dvo_timing->hactive_lo;
- panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay +
- ((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo);
- panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start +
- dvo_timing->hsync_pulse_width;
- panel_fixed_mode->htotal = panel_fixed_mode->hdisplay +
- ((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo);
+ fill_detail_timing_data(panel_fixed_mode, dvo_timing);
- panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) |
- dvo_timing->vactive_lo;
- panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay +
- dvo_timing->vsync_off;
- panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start +
- dvo_timing->vsync_pulse_width;
- panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay +
- ((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo);
- panel_fixed_mode->clock = dvo_timing->clock * 10;
- panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED;
+ dev_priv->lfp_lvds_vbt_mode = panel_fixed_mode;
- /* Some VBTs have bogus h/vtotal values */
- if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal)
- panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1;
- if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal)
- panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1;
+ DRM_DEBUG("Found panel mode in BIOS VBT tables:\n");
+ drm_mode_debug_printmodeline(panel_fixed_mode);
- drm_mode_set_name(panel_fixed_mode);
+ return;
+}
+
+/* Try to find sdvo panel data */
+static void
+parse_sdvo_panel_data(struct drm_i915_private *dev_priv,
+ struct bdb_header *bdb)
+{
+ struct bdb_sdvo_lvds_options *sdvo_lvds_options;
+ struct lvds_dvo_timing *dvo_timing;
+ struct drm_display_mode *panel_fixed_mode;
- dev_priv->vbt_mode = panel_fixed_mode;
+ dev_priv->sdvo_lvds_vbt_mode = NULL;
- DRM_DEBUG("Found panel mode in BIOS VBT tables:\n");
- drm_mode_debug_printmodeline(panel_fixed_mode);
+ sdvo_lvds_options = find_section(bdb, BDB_SDVO_LVDS_OPTIONS);
+ if (!sdvo_lvds_options)
+ return;
+
+ dvo_timing = find_section(bdb, BDB_SDVO_PANEL_DTDS);
+ if (!dvo_timing)
+ return;
+
+ panel_fixed_mode = drm_calloc(1, sizeof(*panel_fixed_mode),
+ DRM_MEM_DRIVER);
+
+ if (!panel_fixed_mode)
+ return;
+
+ fill_detail_timing_data(panel_fixed_mode,
+ dvo_timing + sdvo_lvds_options->panel_type);
+
+ dev_priv->sdvo_lvds_vbt_mode = panel_fixed_mode;
return;
}
@@ -199,7 +240,8 @@ intel_init_bios(struct drm_device *dev)
/* Grab useful general definitions */
parse_general_features(dev_priv, bdb);
- parse_panel_data(dev_priv, bdb);
+ parse_lfp_panel_data(dev_priv, bdb);
+ parse_sdvo_panel_data(dev_priv, bdb);
pci_unmap_rom(pdev, bios);
diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h
index de621aad85b5..8ca2cde15804 100644
--- a/drivers/gpu/drm/i915/intel_bios.h
+++ b/drivers/gpu/drm/i915/intel_bios.h
@@ -279,6 +279,23 @@ struct vch_bdb_22 {
struct vch_panel_data panels[16];
} __attribute__((packed));
+struct bdb_sdvo_lvds_options {
+ u8 panel_backlight;
+ u8 h40_set_panel_type;
+ u8 panel_type;
+ u8 ssc_clk_freq;
+ u16 als_low_trip;
+ u16 als_high_trip;
+ u8 sclalarcoeff_tab_row_num;
+ u8 sclalarcoeff_tab_row_size;
+ u8 coefficient[8];
+ u8 panel_misc_bits_1;
+ u8 panel_misc_bits_2;
+ u8 panel_misc_bits_3;
+ u8 panel_misc_bits_4;
+} __attribute__((packed));
+
+
bool intel_init_bios(struct drm_device *dev);
/*
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 9bdd959260a5..79acc4f4c1f8 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -161,7 +161,7 @@ static bool intel_crt_detect_hotplug(struct drm_connector *connector)
hotplug_en &= CRT_FORCE_HOTPLUG_MASK;
hotplug_en |= CRT_HOTPLUG_FORCE_DETECT;
- if (IS_GM45(dev))
+ if (IS_G4X(dev))
hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64;
hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50;
@@ -198,9 +198,142 @@ static bool intel_crt_detect_ddc(struct drm_connector *connector)
return intel_ddc_probe(intel_output);
}
+static enum drm_connector_status
+intel_crt_load_detect(struct drm_crtc *crtc, struct intel_output *intel_output)
+{
+ struct drm_encoder *encoder = &intel_output->enc;
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ uint32_t pipe = intel_crtc->pipe;
+ uint32_t save_bclrpat;
+ uint32_t save_vtotal;
+ uint32_t vtotal, vactive;
+ uint32_t vsample;
+ uint32_t vblank, vblank_start, vblank_end;
+ uint32_t dsl;
+ uint32_t bclrpat_reg;
+ uint32_t vtotal_reg;
+ uint32_t vblank_reg;
+ uint32_t vsync_reg;
+ uint32_t pipeconf_reg;
+ uint32_t pipe_dsl_reg;
+ uint8_t st00;
+ enum drm_connector_status status;
+
+ if (pipe == 0) {
+ bclrpat_reg = BCLRPAT_A;
+ vtotal_reg = VTOTAL_A;
+ vblank_reg = VBLANK_A;
+ vsync_reg = VSYNC_A;
+ pipeconf_reg = PIPEACONF;
+ pipe_dsl_reg = PIPEADSL;
+ } else {
+ bclrpat_reg = BCLRPAT_B;
+ vtotal_reg = VTOTAL_B;
+ vblank_reg = VBLANK_B;
+ vsync_reg = VSYNC_B;
+ pipeconf_reg = PIPEBCONF;
+ pipe_dsl_reg = PIPEBDSL;
+ }
+
+ save_bclrpat = I915_READ(bclrpat_reg);
+ save_vtotal = I915_READ(vtotal_reg);
+ vblank = I915_READ(vblank_reg);
+
+ vtotal = ((save_vtotal >> 16) & 0xfff) + 1;
+ vactive = (save_vtotal & 0x7ff) + 1;
+
+ vblank_start = (vblank & 0xfff) + 1;
+ vblank_end = ((vblank >> 16) & 0xfff) + 1;
+
+ /* Set the border color to purple. */
+ I915_WRITE(bclrpat_reg, 0x500050);
+
+ if (IS_I9XX(dev)) {
+ uint32_t pipeconf = I915_READ(pipeconf_reg);
+ I915_WRITE(pipeconf_reg, pipeconf | PIPECONF_FORCE_BORDER);
+ /* Wait for next Vblank to substitue
+ * border color for Color info */
+ intel_wait_for_vblank(dev);
+ st00 = I915_READ8(VGA_MSR_WRITE);
+ status = ((st00 & (1 << 4)) != 0) ?
+ connector_status_connected :
+ connector_status_disconnected;
+
+ I915_WRITE(pipeconf_reg, pipeconf);
+ } else {
+ bool restore_vblank = false;
+ int count, detect;
+
+ /*
+ * If there isn't any border, add some.
+ * Yes, this will flicker
+ */
+ if (vblank_start <= vactive && vblank_end >= vtotal) {
+ uint32_t vsync = I915_READ(vsync_reg);
+ uint32_t vsync_start = (vsync & 0xffff) + 1;
+
+ vblank_start = vsync_start;
+ I915_WRITE(vblank_reg,
+ (vblank_start - 1) |
+ ((vblank_end - 1) << 16));
+ restore_vblank = true;
+ }
+ /* sample in the vertical border, selecting the larger one */
+ if (vblank_start - vactive >= vtotal - vblank_end)
+ vsample = (vblank_start + vactive) >> 1;
+ else
+ vsample = (vtotal + vblank_end) >> 1;
+
+ /*
+ * Wait for the border to be displayed
+ */
+ while (I915_READ(pipe_dsl_reg) >= vactive)
+ ;
+ while ((dsl = I915_READ(pipe_dsl_reg)) <= vsample)
+ ;
+ /*
+ * Watch ST00 for an entire scanline
+ */
+ detect = 0;
+ count = 0;
+ do {
+ count++;
+ /* Read the ST00 VGA status register */
+ st00 = I915_READ8(VGA_MSR_WRITE);
+ if (st00 & (1 << 4))
+ detect++;
+ } while ((I915_READ(pipe_dsl_reg) == dsl));
+
+ /* restore vblank if necessary */
+ if (restore_vblank)
+ I915_WRITE(vblank_reg, vblank);
+ /*
+ * If more than 3/4 of the scanline detected a monitor,
+ * then it is assumed to be present. This works even on i830,
+ * where there isn't any way to force the border color across
+ * the screen
+ */
+ status = detect * 4 > count * 3 ?
+ connector_status_connected :
+ connector_status_disconnected;
+ }
+
+ /* Restore previous settings */
+ I915_WRITE(bclrpat_reg, save_bclrpat);
+
+ return status;
+}
+
static enum drm_connector_status intel_crt_detect(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct drm_encoder *encoder = &intel_output->enc;
+ struct drm_crtc *crtc;
+ int dpms_mode;
+ enum drm_connector_status status;
if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev)) {
if (intel_crt_detect_hotplug(connector))
@@ -212,8 +345,20 @@ static enum drm_connector_status intel_crt_detect(struct drm_connector *connecto
if (intel_crt_detect_ddc(connector))
return connector_status_connected;
- /* TODO use load detect */
- return connector_status_unknown;
+ /* for pre-945g platforms use load detect */
+ if (encoder->crtc && encoder->crtc->enabled) {
+ status = intel_crt_load_detect(encoder->crtc, intel_output);
+ } else {
+ crtc = intel_get_load_detect_pipe(intel_output,
+ NULL, &dpms_mode);
+ if (crtc) {
+ status = intel_crt_load_detect(crtc, intel_output);
+ intel_release_load_detect_pipe(intel_output, dpms_mode);
+ } else
+ status = connector_status_unknown;
+ }
+
+ return status;
}
static void intel_crt_destroy(struct drm_connector *connector)
@@ -236,11 +381,6 @@ static int intel_crt_set_property(struct drm_connector *connector,
struct drm_property *property,
uint64_t value)
{
- struct drm_device *dev = connector->dev;
-
- if (property == dev->mode_config.dpms_property && connector->encoder)
- intel_crt_dpms(connector->encoder, (uint32_t)(value & 0xf));
-
return 0;
}
@@ -257,6 +397,7 @@ static const struct drm_encoder_helper_funcs intel_crt_helper_funcs = {
};
static const struct drm_connector_funcs intel_crt_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
.detect = intel_crt_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
.destroy = intel_crt_destroy,
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index bdcda36953b0..c9d6f10ba92e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1357,7 +1357,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
int pipe = intel_crtc->pipe;
uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR;
uint32_t base = (pipe == 0) ? CURABASE : CURBBASE;
- uint32_t temp;
+ uint32_t temp = I915_READ(control);
size_t addr;
int ret;
@@ -1366,7 +1366,12 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
/* if we want to turn off the cursor ignore width and height */
if (!handle) {
DRM_DEBUG("cursor off\n");
- temp = CURSOR_MODE_DISABLE;
+ if (IS_MOBILE(dev) || IS_I9XX(dev)) {
+ temp &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE);
+ temp |= CURSOR_MODE_DISABLE;
+ } else {
+ temp &= ~(CURSOR_ENABLE | CURSOR_GAMMA_ENABLE);
+ }
addr = 0;
bo = NULL;
mutex_lock(&dev->struct_mutex);
@@ -1409,10 +1414,19 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
addr = obj_priv->phys_obj->handle->busaddr;
}
- temp = 0;
- /* set the pipe for the cursor */
- temp |= (pipe << 28);
- temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+ if (!IS_I9XX(dev))
+ I915_WRITE(CURSIZE, (height << 12) | width);
+
+ /* Hooray for CUR*CNTR differences */
+ if (IS_MOBILE(dev) || IS_I9XX(dev)) {
+ temp &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT);
+ temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+ temp |= (pipe << 28); /* Connect to correct pipe */
+ } else {
+ temp &= ~(CURSOR_FORMAT_MASK);
+ temp |= CURSOR_ENABLE;
+ temp |= CURSOR_FORMAT_ARGB | CURSOR_GAMMA_ENABLE;
+ }
finish:
I915_WRITE(control, temp);
@@ -1804,6 +1818,37 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
}
}
+int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_get_pipe_from_crtc_id *pipe_from_crtc_id = data;
+ struct drm_crtc *crtc = NULL;
+ int pipe = -1;
+
+ if (!dev_priv) {
+ DRM_ERROR("called with no initialization\n");
+ return -EINVAL;
+ }
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ if (crtc->base.id == pipe_from_crtc_id->crtc_id) {
+ pipe = intel_crtc->pipe;
+ break;
+ }
+ }
+
+ if (pipe == -1) {
+ DRM_ERROR("no such CRTC id\n");
+ return -EINVAL;
+ }
+
+ pipe_from_crtc_id->pipe = pipe;
+
+ return 0;
+}
+
struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe)
{
struct drm_crtc *crtc = NULL;
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 957daef8edff..cd4b9c5f715e 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -109,7 +109,7 @@ struct intel_i2c_chan *intel_i2c_create(struct drm_device *dev, const u32 reg,
void intel_i2c_destroy(struct intel_i2c_chan *chan);
int intel_ddc_get_modes(struct intel_output *intel_output);
extern bool intel_ddc_probe(struct intel_output *intel_output);
-
+void intel_i2c_quirk_set(struct drm_device *dev, bool enable);
extern void intel_crt_init(struct drm_device *dev);
extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
@@ -125,6 +125,8 @@ extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
struct drm_crtc *crtc);
+int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
extern void intel_wait_for_vblank(struct drm_device *dev);
extern struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe);
extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_output *intel_output,
diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index 8b8d6e65cd3f..1ee3007d6ec0 100644
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -316,6 +316,7 @@ static const struct drm_encoder_helper_funcs intel_dvo_helper_funcs = {
};
static const struct drm_connector_funcs intel_dvo_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
.save = intel_dvo_save,
.restore = intel_dvo_restore,
.detect = intel_dvo_detect,
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index 3e094beecb99..e4652dcdd9bb 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -864,7 +864,7 @@ static void intelfb_sysrq(int dummy1, struct tty_struct *dummy3)
static struct sysrq_key_op sysrq_intelfb_restore_op = {
.handler = intelfb_sysrq,
- .help_msg = "force-fb(G)",
+ .help_msg = "force-fb(V)",
.action_msg = "Restore framebuffer console",
};
@@ -898,7 +898,7 @@ int intelfb_probe(struct drm_device *dev)
ret = intelfb_single_fb_probe(dev);
}
- register_sysrq_key('g', &sysrq_intelfb_restore_op);
+ register_sysrq_key('v', &sysrq_intelfb_restore_op);
return ret;
}
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 550374225388..7d6bdd705326 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -155,11 +155,18 @@ intel_hdmi_detect(struct drm_connector *connector)
temp = I915_READ(PORT_HOTPLUG_EN);
- I915_WRITE(PORT_HOTPLUG_EN,
- temp |
- HDMIB_HOTPLUG_INT_EN |
- HDMIC_HOTPLUG_INT_EN |
- HDMID_HOTPLUG_INT_EN);
+ switch (hdmi_priv->sdvox_reg) {
+ case SDVOB:
+ temp |= HDMIB_HOTPLUG_INT_EN;
+ break;
+ case SDVOC:
+ temp |= HDMIC_HOTPLUG_INT_EN;
+ break;
+ default:
+ return connector_status_unknown;
+ }
+
+ I915_WRITE(PORT_HOTPLUG_EN, temp);
POSTING_READ(PORT_HOTPLUG_EN);
@@ -212,6 +219,7 @@ static const struct drm_encoder_helper_funcs intel_hdmi_helper_funcs = {
};
static const struct drm_connector_funcs intel_hdmi_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
.save = intel_hdmi_save,
.restore = intel_hdmi_restore,
.detect = intel_hdmi_detect,
diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
index 5ee9d4c25753..f7061f68d050 100644
--- a/drivers/gpu/drm/i915/intel_i2c.c
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -34,6 +34,21 @@
#include "i915_drm.h"
#include "i915_drv.h"
+void intel_i2c_quirk_set(struct drm_device *dev, bool enable)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ /* When using bit bashing for I2C, this bit needs to be set to 1 */
+ if (!IS_IGD(dev))
+ return;
+ if (enable)
+ I915_WRITE(CG_2D_DIS,
+ I915_READ(CG_2D_DIS) | DPCUNIT_CLOCK_GATE_DISABLE);
+ else
+ I915_WRITE(CG_2D_DIS,
+ I915_READ(CG_2D_DIS) & (~DPCUNIT_CLOCK_GATE_DISABLE));
+}
+
/*
* Intel GPIO access functions
*/
@@ -153,8 +168,10 @@ struct intel_i2c_chan *intel_i2c_create(struct drm_device *dev, const u32 reg,
goto out_free;
/* JJJ: raise SCL and SDA? */
+ intel_i2c_quirk_set(dev, true);
set_data(chan, 1);
set_clock(chan, 1);
+ intel_i2c_quirk_set(dev, false);
udelay(20);
return chan;
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 6619f26e46a5..53cccfa58b95 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -343,11 +343,6 @@ static int intel_lvds_set_property(struct drm_connector *connector,
struct drm_property *property,
uint64_t value)
{
- struct drm_device *dev = connector->dev;
-
- if (property == dev->mode_config.dpms_property && connector->encoder)
- intel_lvds_dpms(connector->encoder, (uint32_t)(value & 0xf));
-
return 0;
}
@@ -366,6 +361,7 @@ static const struct drm_connector_helper_funcs intel_lvds_connector_helper_funcs
};
static const struct drm_connector_funcs intel_lvds_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
.save = intel_lvds_save,
.restore = intel_lvds_restore,
.detect = intel_lvds_detect,
@@ -384,7 +380,51 @@ static const struct drm_encoder_funcs intel_lvds_enc_funcs = {
.destroy = intel_lvds_enc_destroy,
};
+static int __init intel_no_lvds_dmi_callback(const struct dmi_system_id *id)
+{
+ DRM_DEBUG("Skipping LVDS initialization for %s\n", id->ident);
+ return 1;
+}
+
+/* These systems claim to have LVDS, but really don't */
+static const struct dmi_system_id intel_no_lvds[] = {
+ {
+ .callback = intel_no_lvds_dmi_callback,
+ .ident = "Apple Mac Mini (Core series)",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Macmini1,1"),
+ },
+ },
+ {
+ .callback = intel_no_lvds_dmi_callback,
+ .ident = "Apple Mac Mini (Core 2 series)",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Macmini2,1"),
+ },
+ },
+ {
+ .callback = intel_no_lvds_dmi_callback,
+ .ident = "MSI IM-945GSE-A",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "MSI"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "A9830IMS"),
+ },
+ },
+ {
+ .callback = intel_no_lvds_dmi_callback,
+ .ident = "Dell Studio Hybrid",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Studio Hybrid 140g"),
+ },
+ },
+ /* FIXME: add a check for the Aopen Mini PC */
+
+ { } /* terminating entry */
+};
/**
* intel_lvds_init - setup LVDS connectors on this device
@@ -404,15 +444,9 @@ void intel_lvds_init(struct drm_device *dev)
u32 lvds;
int pipe;
- /* Blacklist machines that we know falsely report LVDS. */
- /* FIXME: add a check for the Aopen Mini PC */
-
- /* Apple Mac Mini Core Duo and Mac Mini Core 2 Duo */
- if(dmi_match(DMI_PRODUCT_NAME, "Macmini1,1") ||
- dmi_match(DMI_PRODUCT_NAME, "Macmini2,1")) {
- DRM_DEBUG("Skipping LVDS initialization for Apple Mac Mini\n");
+ /* Skip init on machines we know falsely report LVDS */
+ if (dmi_check_system(intel_no_lvds))
return;
- }
intel_output = kzalloc(sizeof(struct intel_output), GFP_KERNEL);
if (!intel_output) {
@@ -473,10 +507,10 @@ void intel_lvds_init(struct drm_device *dev)
}
/* Failed to get EDID, what about VBT? */
- if (dev_priv->vbt_mode) {
+ if (dev_priv->lfp_lvds_vbt_mode) {
mutex_lock(&dev->mode_config.mutex);
dev_priv->panel_fixed_mode =
- drm_mode_duplicate(dev, dev_priv->vbt_mode);
+ drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
mutex_unlock(&dev->mode_config.mutex);
if (dev_priv->panel_fixed_mode) {
dev_priv->panel_fixed_mode->type |=
diff --git a/drivers/gpu/drm/i915/intel_modes.c b/drivers/gpu/drm/i915/intel_modes.c
index 07d7ec976168..e0910fefce87 100644
--- a/drivers/gpu/drm/i915/intel_modes.c
+++ b/drivers/gpu/drm/i915/intel_modes.c
@@ -27,6 +27,7 @@
#include <linux/fb.h>
#include "drmP.h"
#include "intel_drv.h"
+#include "i915_drv.h"
/**
* intel_ddc_probe
@@ -52,7 +53,10 @@ bool intel_ddc_probe(struct intel_output *intel_output)
}
};
+ intel_i2c_quirk_set(intel_output->ddc_bus->drm_dev, true);
ret = i2c_transfer(&intel_output->ddc_bus->adapter, msgs, 2);
+ intel_i2c_quirk_set(intel_output->ddc_bus->drm_dev, false);
+
if (ret == 2)
return true;
@@ -70,8 +74,10 @@ int intel_ddc_get_modes(struct intel_output *intel_output)
struct edid *edid;
int ret = 0;
+ intel_i2c_quirk_set(intel_output->ddc_bus->drm_dev, true);
edid = drm_get_edid(&intel_output->base,
&intel_output->ddc_bus->adapter);
+ intel_i2c_quirk_set(intel_output->ddc_bus->drm_dev, false);
if (edid) {
drm_mode_connector_update_edid_property(&intel_output->base,
edid);
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 9913651c1e17..3093b4d4a4dd 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -69,6 +69,10 @@ struct intel_sdvo_priv {
* This is set if we treat the device as HDMI, instead of DVI.
*/
bool is_hdmi;
+ /**
+ * This is set if we detect output of sdvo device as LVDS.
+ */
+ bool is_lvds;
/**
* Returned SDTV resolutions allowed for the current format, if the
@@ -1398,10 +1402,8 @@ static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connect
static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
{
struct intel_output *intel_output = to_intel_output(connector);
- struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
/* set the bus switch and get the modes */
- intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus);
intel_ddc_get_modes(intel_output);
#if 0
@@ -1543,6 +1545,37 @@ static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
}
}
+static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+ struct drm_i915_private *dev_priv = connector->dev->dev_private;
+
+ /*
+ * Attempt to get the mode list from DDC.
+ * Assume that the preferred modes are
+ * arranged in priority order.
+ */
+ /* set the bus switch and get the modes */
+ intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus);
+ intel_ddc_get_modes(intel_output);
+ if (list_empty(&connector->probed_modes) == false)
+ return;
+
+ /* Fetch modes from VBT */
+ if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
+ struct drm_display_mode *newmode;
+ newmode = drm_mode_duplicate(connector->dev,
+ dev_priv->sdvo_lvds_vbt_mode);
+ if (newmode != NULL) {
+ /* Guarantee the mode is preferred */
+ newmode->type = (DRM_MODE_TYPE_PREFERRED |
+ DRM_MODE_TYPE_DRIVER);
+ drm_mode_probed_add(connector, newmode);
+ }
+ }
+}
+
static int intel_sdvo_get_modes(struct drm_connector *connector)
{
struct intel_output *output = to_intel_output(connector);
@@ -1550,6 +1583,8 @@ static int intel_sdvo_get_modes(struct drm_connector *connector)
if (sdvo_priv->is_tv)
intel_sdvo_get_tv_modes(connector);
+ else if (sdvo_priv->is_lvds == true)
+ intel_sdvo_get_lvds_modes(connector);
else
intel_sdvo_get_ddc_modes(connector);
@@ -1564,6 +1599,9 @@ static void intel_sdvo_destroy(struct drm_connector *connector)
if (intel_output->i2c_bus)
intel_i2c_destroy(intel_output->i2c_bus);
+ if (intel_output->ddc_bus)
+ intel_i2c_destroy(intel_output->ddc_bus);
+
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
kfree(intel_output);
@@ -1578,6 +1616,7 @@ static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
};
static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
.save = intel_sdvo_save,
.restore = intel_sdvo_restore,
.detect = intel_sdvo_detect,
@@ -1660,12 +1699,56 @@ intel_sdvo_get_digital_encoding_mode(struct intel_output *output)
return true;
}
+static struct intel_output *
+intel_sdvo_chan_to_intel_output(struct intel_i2c_chan *chan)
+{
+ struct drm_device *dev = chan->drm_dev;
+ struct drm_connector *connector;
+ struct intel_output *intel_output = NULL;
+
+ list_for_each_entry(connector,
+ &dev->mode_config.connector_list, head) {
+ if (to_intel_output(connector)->ddc_bus == chan) {
+ intel_output = to_intel_output(connector);
+ break;
+ }
+ }
+ return intel_output;
+}
+
+static int intel_sdvo_master_xfer(struct i2c_adapter *i2c_adap,
+ struct i2c_msg msgs[], int num)
+{
+ struct intel_output *intel_output;
+ struct intel_sdvo_priv *sdvo_priv;
+ struct i2c_algo_bit_data *algo_data;
+ struct i2c_algorithm *algo;
+
+ algo_data = (struct i2c_algo_bit_data *)i2c_adap->algo_data;
+ intel_output =
+ intel_sdvo_chan_to_intel_output(
+ (struct intel_i2c_chan *)(algo_data->data));
+ if (intel_output == NULL)
+ return -EINVAL;
+
+ sdvo_priv = intel_output->dev_priv;
+ algo = (struct i2c_algorithm *)intel_output->i2c_bus->adapter.algo;
+
+ intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus);
+ return algo->master_xfer(i2c_adap, msgs, num);
+}
+
+static struct i2c_algorithm intel_sdvo_i2c_bit_algo = {
+ .master_xfer = intel_sdvo_master_xfer,
+};
+
bool intel_sdvo_init(struct drm_device *dev, int output_device)
{
struct drm_connector *connector;
struct intel_output *intel_output;
struct intel_sdvo_priv *sdvo_priv;
struct intel_i2c_chan *i2cbus = NULL;
+ struct intel_i2c_chan *ddcbus = NULL;
int connector_type;
u8 ch[0x40];
int i;
@@ -1676,17 +1759,9 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
return false;
}
- connector = &intel_output->base;
-
- drm_connector_init(dev, connector, &intel_sdvo_connector_funcs,
- DRM_MODE_CONNECTOR_Unknown);
- drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);
sdvo_priv = (struct intel_sdvo_priv *)(intel_output + 1);
intel_output->type = INTEL_OUTPUT_SDVO;
- connector->interlace_allowed = 0;
- connector->doublescan_allowed = 0;
-
/* setup the DDC bus. */
if (output_device == SDVOB)
i2cbus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOB");
@@ -1694,7 +1769,7 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
i2cbus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOC");
if (!i2cbus)
- goto err_connector;
+ goto err_inteloutput;
sdvo_priv->i2c_bus = i2cbus;
@@ -1710,7 +1785,6 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
intel_output->i2c_bus = i2cbus;
intel_output->dev_priv = sdvo_priv;
-
/* Read the regs to test if we can talk to the device */
for (i = 0; i < 0x40; i++) {
if (!intel_sdvo_read_byte(intel_output, i, &ch[i])) {
@@ -1720,6 +1794,22 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
}
}
+ /* setup the DDC bus. */
+ if (output_device == SDVOB)
+ ddcbus = intel_i2c_create(dev, GPIOE, "SDVOB DDC BUS");
+ else
+ ddcbus = intel_i2c_create(dev, GPIOE, "SDVOC DDC BUS");
+
+ if (ddcbus == NULL)
+ goto err_i2c;
+
+ intel_sdvo_i2c_bit_algo.functionality =
+ intel_output->i2c_bus->adapter.algo->functionality;
+ ddcbus->adapter.algo = &intel_sdvo_i2c_bit_algo;
+ intel_output->ddc_bus = ddcbus;
+
+ /* In defaut case sdvo lvds is false */
+ sdvo_priv->is_lvds = false;
intel_sdvo_get_capabilities(intel_output, &sdvo_priv->caps);
if (sdvo_priv->caps.output_flags &
@@ -1729,7 +1819,6 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
else
sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS1;
- connector->display_info.subpixel_order = SubPixelHorizontalRGB;
encoder_type = DRM_MODE_ENCODER_TMDS;
connector_type = DRM_MODE_CONNECTOR_DVID;
@@ -1747,7 +1836,6 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_SVID0)
{
sdvo_priv->controlled_output = SDVO_OUTPUT_SVID0;
- connector->display_info.subpixel_order = SubPixelHorizontalRGB;
encoder_type = DRM_MODE_ENCODER_TVDAC;
connector_type = DRM_MODE_CONNECTOR_SVIDEO;
sdvo_priv->is_tv = true;
@@ -1756,30 +1844,28 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB0)
{
sdvo_priv->controlled_output = SDVO_OUTPUT_RGB0;
- connector->display_info.subpixel_order = SubPixelHorizontalRGB;
encoder_type = DRM_MODE_ENCODER_DAC;
connector_type = DRM_MODE_CONNECTOR_VGA;
}
else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB1)
{
sdvo_priv->controlled_output = SDVO_OUTPUT_RGB1;
- connector->display_info.subpixel_order = SubPixelHorizontalRGB;
encoder_type = DRM_MODE_ENCODER_DAC;
connector_type = DRM_MODE_CONNECTOR_VGA;
}
else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_LVDS0)
{
sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS0;
- connector->display_info.subpixel_order = SubPixelHorizontalRGB;
encoder_type = DRM_MODE_ENCODER_LVDS;
connector_type = DRM_MODE_CONNECTOR_LVDS;
+ sdvo_priv->is_lvds = true;
}
else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_LVDS1)
{
sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS1;
- connector->display_info.subpixel_order = SubPixelHorizontalRGB;
encoder_type = DRM_MODE_ENCODER_LVDS;
connector_type = DRM_MODE_CONNECTOR_LVDS;
+ sdvo_priv->is_lvds = true;
}
else
{
@@ -1795,9 +1881,16 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
goto err_i2c;
}
+ connector = &intel_output->base;
+ drm_connector_init(dev, connector, &intel_sdvo_connector_funcs,
+ connector_type);
+ drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);
+ connector->interlace_allowed = 0;
+ connector->doublescan_allowed = 0;
+ connector->display_info.subpixel_order = SubPixelHorizontalRGB;
+
drm_encoder_init(dev, &intel_output->enc, &intel_sdvo_enc_funcs, encoder_type);
drm_encoder_helper_add(&intel_output->enc, &intel_sdvo_helper_funcs);
- connector->connector_type = connector_type;
drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
drm_sysfs_connector_add(connector);
@@ -1829,14 +1922,13 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
sdvo_priv->caps.output_flags &
(SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
- intel_output->ddc_bus = i2cbus;
-
return true;
err_i2c:
+ if (ddcbus != NULL)
+ intel_i2c_destroy(intel_output->ddc_bus);
intel_i2c_destroy(intel_output->i2c_bus);
-err_connector:
- drm_connector_cleanup(connector);
+err_inteloutput:
kfree(intel_output);
return false;
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index d2c32983242d..98ac0546b7bd 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1626,6 +1626,7 @@ static const struct drm_encoder_helper_funcs intel_tv_helper_funcs = {
};
static const struct drm_connector_funcs intel_tv_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
.save = intel_tv_save,
.restore = intel_tv_restore,
.detect = intel_tv_detect,
diff --git a/drivers/gpu/drm/r128/r128_cce.c b/drivers/gpu/drm/r128/r128_cce.c
index 32de4cedc363..077c0455a6b9 100644
--- a/drivers/gpu/drm/r128/r128_cce.c
+++ b/drivers/gpu/drm/r128/r128_cce.c
@@ -511,9 +511,9 @@ static int r128_do_init_cce(struct drm_device * dev, drm_r128_init_t * init)
#if __OS_HAS_AGP
if (!dev_priv->is_pci) {
- drm_core_ioremap(dev_priv->cce_ring, dev);
- drm_core_ioremap(dev_priv->ring_rptr, dev);
- drm_core_ioremap(dev->agp_buffer_map, dev);
+ drm_core_ioremap_wc(dev_priv->cce_ring, dev);
+ drm_core_ioremap_wc(dev_priv->ring_rptr, dev);
+ drm_core_ioremap_wc(dev->agp_buffer_map, dev);
if (!dev_priv->cce_ring->handle ||
!dev_priv->ring_rptr->handle ||
!dev->agp_buffer_map->handle) {
diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
index 77a7a4d84650..aff90bb96488 100644
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/drivers/gpu/drm/radeon/radeon_cp.c
@@ -2185,9 +2185,9 @@ void radeon_commit_ring(drm_radeon_private_t *dev_priv)
/* check if the ring is padded out to 16-dword alignment */
- tail_aligned = dev_priv->ring.tail & 0xf;
+ tail_aligned = dev_priv->ring.tail & (RADEON_RING_ALIGN-1);
if (tail_aligned) {
- int num_p2 = 16 - tail_aligned;
+ int num_p2 = RADEON_RING_ALIGN - tail_aligned;
ring = dev_priv->ring.start;
/* pad with some CP_PACKET2 */
diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
index ed4d27e6ee6f..0c6bfc1de153 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.h
+++ b/drivers/gpu/drm/radeon/radeon_drv.h
@@ -99,9 +99,10 @@
* 1.27- Add support for IGP GART
* 1.28- Add support for VBL on CRTC2
* 1.29- R500 3D cmd buffer support
+ * 1.30- Add support for occlusion queries
*/
#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 29
+#define DRIVER_MINOR 30
#define DRIVER_PATCHLEVEL 0
/*
@@ -1963,11 +1964,14 @@ do { \
#define RING_LOCALS int write, _nr, _align_nr; unsigned int mask; u32 *ring;
+#define RADEON_RING_ALIGN 16
+
#define BEGIN_RING( n ) do { \
if ( RADEON_VERBOSE ) { \
DRM_INFO( "BEGIN_RING( %d )\n", (n)); \
} \
- _align_nr = (n + 0xf) & ~0xf; \
+ _align_nr = RADEON_RING_ALIGN - ((dev_priv->ring.tail + n) & (RADEON_RING_ALIGN-1)); \
+ _align_nr += n; \
if (dev_priv->ring.space <= (_align_nr * sizeof(u32))) { \
COMMIT_RING(); \
radeon_wait_ring( dev_priv, _align_nr * sizeof(u32)); \
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index 7359d9d88e46..acbce5745b0c 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -151,7 +151,7 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
if (fnmode) {
int do_translate;
- trans = apple_find_translation((hid->product < 0x220 ||
+ trans = apple_find_translation((hid->product < 0x21d ||
hid->product >= 0x300) ?
powerbook_fn_keys : apple_fn_keys,
usage->code);
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 5746a5903bce..8551693d645f 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1293,6 +1293,7 @@ static const struct hid_device_id hid_blacklist[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
@@ -1824,6 +1825,9 @@ int hid_check_keys_pressed(struct hid_device *hid)
struct hid_input *hidinput;
int i;
+ if (!(hid->claimed & HID_CLAIMED_INPUT))
+ return 0;
+
list_for_each_entry(hidinput, &hid->inputs, list) {
for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
if (hidinput->input->key[i])
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index bdeda4c7cc13..4d5ee2bbc62b 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -113,6 +113,11 @@
#define USB_VENDOR_ID_BERKSHIRE 0x0c98
#define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140
+#define USB_VENDOR_ID_CH 0x068e
+#define USB_DEVICE_ID_CH_PRO_PEDALS 0x00f2
+#define USB_DEVICE_ID_CH_COMBATSTICK 0x00f4
+#define USB_DEVICE_ID_CH_FLIGHT_SIM_YOKE 0x00ff
+
#define USB_VENDOR_ID_CHERRY 0x046a
#define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023
@@ -292,6 +297,7 @@
#define USB_DEVICE_ID_LOGITECH_FORCE3D_PRO 0xc286
#define USB_DEVICE_ID_LOGITECH_WHEEL 0xc294
#define USB_DEVICE_ID_LOGITECH_MOMO_WHEEL 0xc295
+#define USB_DEVICE_ID_LOGITECH_G25_WHEEL 0xc299
#define USB_DEVICE_ID_LOGITECH_ELITE_KBD 0xc30a
#define USB_DEVICE_ID_S510_RECEIVER 0xc50c
#define USB_DEVICE_ID_S510_RECEIVER_2 0xc517
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index 7b80cb694982..7afbaa0efd18 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -297,6 +297,8 @@ static const struct hid_device_id lg_devices[] = {
.driver_data = LG_FF },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2),
.driver_data = LG_FF },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL),
+ .driver_data = LG_FF },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2),
.driver_data = LG_FF2 },
{ }
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index e263d4731179..00ccf4b1985d 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -285,8 +285,10 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd,
if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWNAME(0))) {
int len;
- if (!hid->name)
- return 0;
+ if (!hid->name) {
+ ret = 0;
+ break;
+ }
len = strlen(hid->name) + 1;
if (len > _IOC_SIZE(cmd))
len = _IOC_SIZE(cmd);
@@ -297,8 +299,10 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd,
if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWPHYS(0))) {
int len;
- if (!hid->phys)
- return 0;
+ if (!hid->phys) {
+ ret = 0;
+ break;
+ }
len = strlen(hid->phys) + 1;
if (len > _IOC_SIZE(cmd))
len = _IOC_SIZE(cmd);
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 4306cb1b8ce5..ac8049b5f1e9 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -662,8 +662,8 @@ void usbhid_close(struct hid_device *hid)
spin_lock_irq(&usbhid->lock);
if (!--hid->open) {
spin_unlock_irq(&usbhid->lock);
+ hid_cancel_delayed_stuff(usbhid);
usb_kill_urb(usbhid->urbin);
- flush_scheduled_work();
usbhid->intf->needs_remote_wakeup = 0;
} else {
spin_unlock_irq(&usbhid->lock);
@@ -898,7 +898,7 @@ static int usbhid_parse(struct hid_device *hid)
goto err;
}
- hid->quirks = quirks;
+ hid->quirks |= quirks;
return 0;
err:
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 4391717d2519..d8f7423f363e 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -50,6 +50,9 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_COMBATSTICK, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_YOKE, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_PRO_PEDALS, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c
index 0897edef2574..bff0103610c1 100644
--- a/drivers/hwmon/asus_atk0110.c
+++ b/drivers/hwmon/asus_atk0110.c
@@ -348,6 +348,7 @@ static int validate_hwmon_pack(struct atk_data *data, union acpi_object *obj)
return 0;
}
+#ifdef DEBUG
static char const *atk_sensor_type(union acpi_object *flags)
{
u64 type = flags->integer.value & ATK_TYPE_MASK;
@@ -370,6 +371,7 @@ static char const *atk_sensor_type(union acpi_object *flags)
return what;
}
+#endif
static void atk_print_sensor(struct atk_data *data, union acpi_object *obj)
{
diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index b5e3b2851698..a1787fdf5b9f 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -182,7 +182,7 @@ static struct platform_driver lm78_isa_driver = {
.name = "lm78",
},
.probe = lm78_isa_probe,
- .remove = lm78_isa_remove,
+ .remove = __devexit_p(lm78_isa_remove),
};
diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c
index dbfb30c588d8..0bdab959b736 100644
--- a/drivers/hwmon/w83781d.c
+++ b/drivers/hwmon/w83781d.c
@@ -1462,7 +1462,8 @@ static struct w83781d_data *w83781d_update_device(struct device *dev)
data->pwm[i] =
w83781d_read_value(data,
W83781D_REG_PWM[i]);
- if ((data->type != w83782d || !client->driver)
+ /* Only W83782D on SMBus has PWM3 and PWM4 */
+ if ((data->type != w83782d || !client)
&& i == 1)
break;
}
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index d420cc5f5633..e25e13980af3 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -104,7 +104,7 @@ static int sclhi(struct i2c_algo_bit_data *adap)
* chips may hold it low ("clock stretching") while they
* are processing data internally.
*/
- if (time_after_eq(jiffies, start + adap->timeout))
+ if (time_after(jiffies, start + adap->timeout))
return -ETIMEDOUT;
cond_resched();
}
diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c
index 6318f7ddc1d4..78d42aae0089 100644
--- a/drivers/i2c/algos/i2c-algo-pca.c
+++ b/drivers/i2c/algos/i2c-algo-pca.c
@@ -287,10 +287,21 @@ static int pca_xfer(struct i2c_adapter *i2c_adap,
case 0x30: /* Data byte in I2CDAT has been transmitted; NOT ACK has been received */
DEB2("NOT ACK received after data byte\n");
+ pca_stop(adap);
goto out;
case 0x38: /* Arbitration lost during SLA+W, SLA+R or data bytes */
DEB2("Arbitration lost\n");
+ /*
+ * The PCA9564 data sheet (2006-09-01) says "A
+ * START condition will be transmitted when the
+ * bus becomes free (STOP or SCL and SDA high)"
+ * when the STA bit is set (p. 11).
+ *
+ * In case this won't work, try pca_reset()
+ * instead.
+ */
+ pca_start(adap);
goto out;
case 0x58: /* Data byte has been received; NOT ACK has been returned */
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index a48c8aee0218..f1c6ca7e2852 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -467,7 +467,7 @@ config I2C_PXA_SLAVE
config I2C_S3C2410
tristate "S3C2410 I2C Driver"
- depends on ARCH_S3C2410
+ depends on ARCH_S3C2410 || ARCH_S3C64XX
help
Say Y here to include support for I2C controller in the
Samsung S3C2410 based System-on-Chip devices.
diff --git a/drivers/i2c/busses/i2c-ali1535.c b/drivers/i2c/busses/i2c-ali1535.c
index 981e080b32ae..d108450df064 100644
--- a/drivers/i2c/busses/i2c-ali1535.c
+++ b/drivers/i2c/busses/i2c-ali1535.c
@@ -284,7 +284,7 @@ static int ali1535_transaction(struct i2c_adapter *adap)
&& (timeout++ < MAX_TIMEOUT));
/* If the SMBus is still busy, we give up */
- if (timeout >= MAX_TIMEOUT) {
+ if (timeout > MAX_TIMEOUT) {
result = -ETIMEDOUT;
dev_err(&adap->dev, "SMBus Timeout!\n");
}
diff --git a/drivers/i2c/busses/i2c-ali15x3.c b/drivers/i2c/busses/i2c-ali15x3.c
index 39066dee46e3..d627fceb790b 100644
--- a/drivers/i2c/busses/i2c-ali15x3.c
+++ b/drivers/i2c/busses/i2c-ali15x3.c
@@ -306,7 +306,7 @@ static int ali15x3_transaction(struct i2c_adapter *adap)
&& (timeout++ < MAX_TIMEOUT));
/* If the SMBus is still busy, we give up */
- if (timeout >= MAX_TIMEOUT) {
+ if (timeout > MAX_TIMEOUT) {
result = -ETIMEDOUT;
dev_err(&adap->dev, "SMBus Timeout!\n");
}
diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c
index 220f4a1eee1d..f7d6fe9c49ba 100644
--- a/drivers/i2c/busses/i2c-amd756.c
+++ b/drivers/i2c/busses/i2c-amd756.c
@@ -126,7 +126,7 @@ static int amd756_transaction(struct i2c_adapter *adap)
} while ((temp & (GS_HST_STS | GS_SMB_STS)) &&
(timeout++ < MAX_TIMEOUT));
/* If the SMBus is still busy, we give up */
- if (timeout >= MAX_TIMEOUT) {
+ if (timeout > MAX_TIMEOUT) {
dev_dbg(&adap->dev, "Busy wait timeout (%04x)\n", temp);
goto abort;
}
@@ -143,7 +143,7 @@ static int amd756_transaction(struct i2c_adapter *adap)
} while ((temp & GS_HST_STS) && (timeout++ < MAX_TIMEOUT));
/* If the SMBus is still busy, we give up */
- if (timeout >= MAX_TIMEOUT) {
+ if (timeout > MAX_TIMEOUT) {
dev_dbg(&adap->dev, "Completion timeout!\n");
goto abort;
}
diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c
index 3fcf78e906db..b5db8b883615 100644
--- a/drivers/i2c/busses/i2c-cpm.c
+++ b/drivers/i2c/busses/i2c-cpm.c
@@ -531,16 +531,16 @@ static int __devinit cpm_i2c_setup(struct cpm_i2c *cpm)
rbdf = cpm->rbase;
for (i = 0; i < CPM_MAXBD; i++) {
- cpm->rxbuf[i] = dma_alloc_coherent(
- NULL, CPM_MAX_READ + 1, &cpm->rxdma[i], GFP_KERNEL);
+ cpm->rxbuf[i] = dma_alloc_coherent(&cpm->ofdev->dev,
+ CPM_MAX_READ + 1,
+ &cpm->rxdma[i], GFP_KERNEL);
if (!cpm->rxbuf[i]) {
ret = -ENOMEM;
goto out_muram;
}
out_be32(&rbdf[i].cbd_bufaddr, ((cpm->rxdma[i] + 1) & ~1));
- cpm->txbuf[i] = (unsigned char *)dma_alloc_coherent(
- NULL, CPM_MAX_READ + 1, &cpm->txdma[i], GFP_KERNEL);
+ cpm->txbuf[i] = (unsigned char *)dma_alloc_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1, &cpm->txdma[i], GFP_KERNEL);
if (!cpm->txbuf[i]) {
ret = -ENOMEM;
goto out_muram;
@@ -585,10 +585,10 @@ static int __devinit cpm_i2c_setup(struct cpm_i2c *cpm)
out_muram:
for (i = 0; i < CPM_MAXBD; i++) {
if (cpm->rxbuf[i])
- dma_free_coherent(NULL, CPM_MAX_READ + 1,
+ dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1,
cpm->rxbuf[i], cpm->rxdma[i]);
if (cpm->txbuf[i])
- dma_free_coherent(NULL, CPM_MAX_READ + 1,
+ dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1,
cpm->txbuf[i], cpm->txdma[i]);
}
cpm_muram_free(cpm->dp_addr);
@@ -619,9 +619,9 @@ static void cpm_i2c_shutdown(struct cpm_i2c *cpm)
/* Free all memory */
for (i = 0; i < CPM_MAXBD; i++) {
- dma_free_coherent(NULL, CPM_MAX_READ + 1,
+ dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1,
cpm->rxbuf[i], cpm->rxdma[i]);
- dma_free_coherent(NULL, CPM_MAX_READ + 1,
+ dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1,
cpm->txbuf[i], cpm->txdma[i]);
}
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 10411848fd70..9d2c5adf5d4f 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -237,7 +237,7 @@ static int i801_transaction(int xact)
status = inb_p(SMBHSTSTS);
} while ((status & SMBHSTSTS_HOST_BUSY) && (timeout++ < MAX_TIMEOUT));
- result = i801_check_post(status, timeout >= MAX_TIMEOUT);
+ result = i801_check_post(status, timeout > MAX_TIMEOUT);
if (result < 0)
return result;
@@ -257,9 +257,9 @@ static void i801_wait_hwpec(void)
} while ((!(status & SMBHSTSTS_INTR))
&& (timeout++ < MAX_TIMEOUT));
- if (timeout >= MAX_TIMEOUT) {
+ if (timeout > MAX_TIMEOUT)
dev_dbg(&I801_dev->dev, "PEC Timeout!\n");
- }
+
outb_p(status, SMBHSTSTS);
}
@@ -344,7 +344,7 @@ static int i801_block_transaction_byte_by_byte(union i2c_smbus_data *data,
while ((!(status & SMBHSTSTS_BYTE_DONE))
&& (timeout++ < MAX_TIMEOUT));
- result = i801_check_post(status, timeout >= MAX_TIMEOUT);
+ result = i801_check_post(status, timeout > MAX_TIMEOUT);
if (result < 0)
return result;
diff --git a/drivers/i2c/busses/i2c-isch.c b/drivers/i2c/busses/i2c-isch.c
index b9c01aa90036..9f6b8e0f8632 100644
--- a/drivers/i2c/busses/i2c-isch.c
+++ b/drivers/i2c/busses/i2c-isch.c
@@ -112,7 +112,7 @@ static int sch_transaction(void)
} while ((temp & 0x08) && (timeout++ < MAX_TIMEOUT));
/* If the SMBus is still busy, we give up */
- if (timeout >= MAX_TIMEOUT) {
+ if (timeout > MAX_TIMEOUT) {
dev_err(&sch_adapter.dev, "SMBus Timeout!\n");
result = -ETIMEDOUT;
}
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index 4af5c09f0e8f..dd778d7ae047 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -164,7 +164,7 @@ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing)
return 0;
}
-#ifdef CONFIG_PPC_52xx
+#ifdef CONFIG_PPC_MPC52xx
static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = {
{20, 0x20}, {22, 0x21}, {24, 0x22}, {26, 0x23},
{28, 0x24}, {30, 0x01}, {32, 0x25}, {34, 0x02},
@@ -188,7 +188,7 @@ static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = {
int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, int prescaler)
{
- const struct mpc52xx_i2c_divider *div = NULL;
+ const struct mpc_i2c_divider *div = NULL;
unsigned int pvr = mfspr(SPRN_PVR);
u32 divider;
int i;
@@ -203,7 +203,7 @@ int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, int prescaler)
* We want to choose an FDR/DFSR that generates an I2C bus speed that
* is equal to or lower than the requested speed.
*/
- for (i = 0; i < ARRAY_SIZE(mpc52xx_i2c_dividers); i++) {
+ for (i = 0; i < ARRAY_SIZE(mpc_i2c_dividers_52xx); i++) {
div = &mpc_i2c_dividers_52xx[i];
/* Old MPC5200 rev A CPUs do not support the high bits */
if (div->fdr & 0xc0 && pvr == 0x80822011)
@@ -219,20 +219,23 @@ static void mpc_i2c_setclock_52xx(struct device_node *node,
struct mpc_i2c *i2c,
u32 clock, u32 prescaler)
{
- int fdr = mpc52xx_i2c_get_fdr(node, clock, prescaler);
+ int ret, fdr;
+
+ ret = mpc_i2c_get_fdr_52xx(node, clock, prescaler);
+ fdr = (ret >= 0) ? ret : 0x3f; /* backward compatibility */
- if (fdr < 0)
- fdr = 0x3f; /* backward compatibility */
writeb(fdr & 0xff, i2c->base + MPC_I2C_FDR);
- dev_info(i2c->dev, "clock %d Hz (fdr=%d)\n", clock, fdr);
+
+ if (ret >= 0)
+ dev_info(i2c->dev, "clock %d Hz (fdr=%d)\n", clock, fdr);
}
-#else /* !CONFIG_PPC_52xx */
+#else /* !CONFIG_PPC_MPC52xx */
static void mpc_i2c_setclock_52xx(struct device_node *node,
struct mpc_i2c *i2c,
u32 clock, u32 prescaler)
{
}
-#endif /* CONFIG_PPC_52xx*/
+#endif /* CONFIG_PPC_MPC52xx*/
#ifdef CONFIG_FSL_SOC
static const struct mpc_i2c_divider mpc_i2c_dividers_8xxx[] = {
@@ -321,14 +324,17 @@ static void mpc_i2c_setclock_8xxx(struct device_node *node,
struct mpc_i2c *i2c,
u32 clock, u32 prescaler)
{
- int fdr = mpc_i2c_get_fdr_8xxx(node, clock, prescaler);
+ int ret, fdr;
+
+ ret = mpc_i2c_get_fdr_8xxx(node, clock, prescaler);
+ fdr = (ret >= 0) ? ret : 0x1031; /* backward compatibility */
- if (fdr < 0)
- fdr = 0x1031; /* backward compatibility */
writeb(fdr & 0xff, i2c->base + MPC_I2C_FDR);
writeb((fdr >> 8) & 0xff, i2c->base + MPC_I2C_DFSRR);
- dev_info(i2c->dev, "clock %d Hz (dfsrr=%d fdr=%d)\n",
- clock, fdr >> 8, fdr & 0xff);
+
+ if (ret >= 0)
+ dev_info(i2c->dev, "clock %d Hz (dfsrr=%d fdr=%d)\n",
+ clock, fdr >> 8, fdr & 0xff);
}
#else /* !CONFIG_FSL_SOC */
diff --git a/drivers/i2c/busses/i2c-nforce2.c b/drivers/i2c/busses/i2c-nforce2.c
index 2ff4683703a8..ec11d1c4e77b 100644
--- a/drivers/i2c/busses/i2c-nforce2.c
+++ b/drivers/i2c/busses/i2c-nforce2.c
@@ -173,7 +173,7 @@ static int nforce2_check_status(struct i2c_adapter *adap)
temp = inb_p(NVIDIA_SMB_STS);
} while ((!temp) && (timeout++ < MAX_TIMEOUT));
- if (timeout >= MAX_TIMEOUT) {
+ if (timeout > MAX_TIMEOUT) {
dev_dbg(&adap->dev, "SMBus Timeout!\n");
if (smbus->can_abort)
nforce2_abort(adap);
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index c1405c8f6ba5..acc7143d9655 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -265,10 +265,10 @@ static int i2c_pxa_wait_bus_not_busy(struct pxa_i2c *i2c)
show_state(i2c);
}
- if (timeout <= 0)
+ if (timeout < 0)
show_state(i2c);
- return timeout <= 0 ? I2C_RETRY : 0;
+ return timeout < 0 ? I2C_RETRY : 0;
}
static int i2c_pxa_wait_master(struct pxa_i2c *i2c)
@@ -612,7 +612,7 @@ static int i2c_pxa_pio_set_master(struct pxa_i2c *i2c)
show_state(i2c);
}
- if (timeout <= 0) {
+ if (timeout < 0) {
show_state(i2c);
dev_err(&i2c->adap.dev,
"i2c_pxa: timeout waiting for bus free\n");
diff --git a/drivers/i2c/busses/i2c-sis5595.c b/drivers/i2c/busses/i2c-sis5595.c
index f320ab27da46..139f0c7f12a4 100644
--- a/drivers/i2c/busses/i2c-sis5595.c
+++ b/drivers/i2c/busses/i2c-sis5595.c
@@ -256,7 +256,7 @@ static int sis5595_transaction(struct i2c_adapter *adap)
} while (!(temp & 0x40) && (timeout++ < MAX_TIMEOUT));
/* If the SMBus is still busy, we give up */
- if (timeout >= MAX_TIMEOUT) {
+ if (timeout > MAX_TIMEOUT) {
dev_dbg(&adap->dev, "SMBus Timeout!\n");
result = -ETIMEDOUT;
}
diff --git a/drivers/i2c/busses/i2c-sis630.c b/drivers/i2c/busses/i2c-sis630.c
index 50c3610e6028..70ca41e90e58 100644
--- a/drivers/i2c/busses/i2c-sis630.c
+++ b/drivers/i2c/busses/i2c-sis630.c
@@ -173,7 +173,7 @@ static int sis630_transaction_wait(struct i2c_adapter *adap, int size)
} while (!(temp & 0x0e) && (timeout++ < MAX_TIMEOUT));
/* If the SMBus is still busy, we give up */
- if (timeout >= MAX_TIMEOUT) {
+ if (timeout > MAX_TIMEOUT) {
dev_dbg(&adap->dev, "SMBus Timeout!\n");
result = -ETIMEDOUT;
}
diff --git a/drivers/i2c/busses/i2c-sis96x.c b/drivers/i2c/busses/i2c-sis96x.c
index 7e1594b40579..8295885b2fdb 100644
--- a/drivers/i2c/busses/i2c-sis96x.c
+++ b/drivers/i2c/busses/i2c-sis96x.c
@@ -132,7 +132,7 @@ static int sis96x_transaction(int size)
} while (!(temp & 0x0e) && (timeout++ < MAX_TIMEOUT));
/* If the SMBus is still busy, we give up */
- if (timeout >= MAX_TIMEOUT) {
+ if (timeout > MAX_TIMEOUT) {
dev_dbg(&sis96x_adapter.dev, "SMBus Timeout! (0x%02x)\n", temp);
result = -ETIMEDOUT;
}
diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c
index 4e16ce68b063..36da913cc553 100644
--- a/drivers/ide/icside.c
+++ b/drivers/ide/icside.c
@@ -466,7 +466,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
struct ide_host *host;
unsigned int sel = 0;
int ret;
- hw_regs_t hw[2], *hws[] = { &hw[0], NULL, NULL, NULL };
+ hw_regs_t hw[2], *hws[] = { &hw[0], &hw[1], NULL, NULL };
struct ide_port_info d = icside_v6_port_info;
ioc_base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0);
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 3d4e09969763..925eb9e245d1 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -312,7 +312,6 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat)
ide_hwif_t *hwif = drive->hwif;
struct request *rq = hwif->rq;
int err, sense_key, do_end_request = 0;
- u8 quiet = rq->cmd_flags & REQ_QUIET;
/* get the IDE error register */
err = ide_read_error(drive);
@@ -347,7 +346,7 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat)
} else {
cdrom_saw_media_change(drive);
- if (blk_fs_request(rq) && !quiet)
+ if (blk_fs_request(rq) && !blk_rq_quiet(rq))
printk(KERN_ERR PFX "%s: tray open\n",
drive->name);
}
@@ -382,7 +381,7 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat)
* No point in retrying after an illegal request or data
* protect error.
*/
- if (!quiet)
+ if (!blk_rq_quiet(rq))
ide_dump_status(drive, "command error", stat);
do_end_request = 1;
break;
@@ -391,14 +390,14 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat)
* No point in re-trying a zillion times on a bad sector.
* If we got here the error is not correctable.
*/
- if (!quiet)
+ if (!blk_rq_quiet(rq))
ide_dump_status(drive, "media error "
"(bad sector)", stat);
do_end_request = 1;
break;
case BLANK_CHECK:
/* disk appears blank? */
- if (!quiet)
+ if (!blk_rq_quiet(rq))
ide_dump_status(drive, "media error (blank)",
stat);
do_end_request = 1;
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 35dc38d3b2c5..6415a2e2ba87 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -696,7 +696,7 @@ void ide_timer_expiry (unsigned long data)
}
spin_lock_irq(&hwif->lock);
enable_irq(hwif->irq);
- if (startstop == ide_stopped) {
+ if (startstop == ide_stopped && hwif->polling == 0) {
ide_unlock_port(hwif);
plug_device = 1;
}
@@ -868,7 +868,7 @@ irqreturn_t ide_intr (int irq, void *dev_id)
* same irq as is currently being serviced here, and Linux
* won't allow another of the same (on any CPU) until we return.
*/
- if (startstop == ide_stopped) {
+ if (startstop == ide_stopped && hwif->polling == 0) {
BUG_ON(hwif->handler);
ide_unlock_port(hwif);
plug_device = 1;
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index c19a221b1e18..06fe002116ec 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -206,8 +206,6 @@ EXPORT_SYMBOL_GPL(ide_in_drive_list);
/*
* Early UDMA66 devices don't set bit14 to 1, only bit13 is valid.
- * We list them here and depend on the device side cable detection for them.
- *
* Some optical devices with the buggy firmwares have the same problem.
*/
static const struct drive_list_entry ivb_list[] = {
@@ -251,10 +249,25 @@ u8 eighty_ninty_three(ide_drive_t *drive)
* - force bit13 (80c cable present) check also for !ivb devices
* (unless the slave device is pre-ATA3)
*/
- if ((id[ATA_ID_HW_CONFIG] & 0x4000) ||
- (ivb && (id[ATA_ID_HW_CONFIG] & 0x2000)))
+ if (id[ATA_ID_HW_CONFIG] & 0x4000)
return 1;
+ if (ivb) {
+ const char *model = (char *)&id[ATA_ID_PROD];
+
+ if (strstr(model, "TSSTcorp CDDVDW SH-S202")) {
+ /*
+ * These ATAPI devices always report 80c cable
+ * so we have to depend on the host in this case.
+ */
+ if (hwif->cbl == ATA_CBL_PATA80)
+ return 1;
+ } else {
+ /* Depend on the device side cable detection. */
+ if (id[ATA_ID_HW_CONFIG] & 0x2000)
+ return 1;
+ }
+ }
no_80w:
if (drive->dev_flags & IDE_DFLAG_UDMA33_WARNED)
return 0;
diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index 56ff8c46c7d1..2148df836ce7 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -31,24 +31,6 @@ void ide_toggle_bounce(ide_drive_t *drive, int on)
blk_queue_bounce_limit(drive->queue, addr);
}
-static void ide_dump_opcode(ide_drive_t *drive)
-{
- struct request *rq = drive->hwif->rq;
- struct ide_cmd *cmd = NULL;
-
- if (!rq)
- return;
-
- if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE)
- cmd = rq->special;
-
- printk(KERN_ERR "ide: failed opcode was: ");
- if (cmd == NULL)
- printk(KERN_CONT "unknown\n");
- else
- printk(KERN_CONT "0x%02x\n", cmd->tf.command);
-}
-
u64 ide_get_lba_addr(struct ide_cmd *cmd, int lba48)
{
struct ide_taskfile *tf = &cmd->tf;
@@ -91,7 +73,7 @@ static void ide_dump_sector(ide_drive_t *drive)
static void ide_dump_ata_error(ide_drive_t *drive, u8 err)
{
- printk(KERN_ERR "{ ");
+ printk(KERN_CONT "{ ");
if (err & ATA_ABORTED)
printk(KERN_CONT "DriveStatusError ");
if (err & ATA_ICRC)
@@ -121,7 +103,7 @@ static void ide_dump_ata_error(ide_drive_t *drive, u8 err)
static void ide_dump_atapi_error(ide_drive_t *drive, u8 err)
{
- printk(KERN_ERR "{ ");
+ printk(KERN_CONT "{ ");
if (err & ATAPI_ILI)
printk(KERN_CONT "IllegalLengthIndication ");
if (err & ATAPI_EOM)
@@ -179,7 +161,10 @@ u8 ide_dump_status(ide_drive_t *drive, const char *msg, u8 stat)
else
ide_dump_atapi_error(drive, err);
}
- ide_dump_opcode(drive);
+
+ printk(KERN_ERR "%s: possibly failed opcode: 0x%02x\n",
+ drive->name, drive->hwif->cmd.tf.command);
+
return err;
}
EXPORT_SYMBOL(ide_dump_status);
diff --git a/drivers/ide/ide-pci-generic.c b/drivers/ide/ide-pci-generic.c
index 61111fd27130..39d4e01f5c9c 100644
--- a/drivers/ide/ide-pci-generic.c
+++ b/drivers/ide/ide-pci-generic.c
@@ -33,6 +33,16 @@ static int ide_generic_all; /* Set to claim all devices */
module_param_named(all_generic_ide, ide_generic_all, bool, 0444);
MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers.");
+static void netcell_quirkproc(ide_drive_t *drive)
+{
+ /* mark words 85-87 as valid */
+ drive->id[ATA_ID_CSF_DEFAULT] |= 0x4000;
+}
+
+static const struct ide_port_ops netcell_port_ops = {
+ .quirkproc = netcell_quirkproc,
+};
+
#define DECLARE_GENERIC_PCI_DEV(extra_flags) \
{ \
.name = DRV_NAME, \
@@ -74,6 +84,7 @@ static const struct ide_port_info generic_chipsets[] __devinitdata = {
{ /* 6: Revolution */
.name = DRV_NAME,
+ .port_ops = &netcell_port_ops,
.host_flags = IDE_HFLAG_CLEAR_SIMPLEX |
IDE_HFLAG_TRUST_BIOS_FOR_DMA |
IDE_HFLAG_OFF_BOARD,
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 7f264ed1141b..c895ed52b2e8 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -295,7 +295,7 @@ int ide_dev_read_id(ide_drive_t *drive, u8 cmd, u16 *id)
timeout = ((cmd == ATA_CMD_ID_ATA) ? WAIT_WORSTCASE : WAIT_PIDENTIFY) / 2;
- if (ide_busy_sleep(hwif, timeout, use_altstatus))
+ if (ide_busy_sleep(drive, timeout, use_altstatus))
return 1;
/* wait for IRQ and ATA_DRQ */
@@ -316,8 +316,9 @@ int ide_dev_read_id(ide_drive_t *drive, u8 cmd, u16 *id)
return rc;
}
-int ide_busy_sleep(ide_hwif_t *hwif, unsigned long timeout, int altstatus)
+int ide_busy_sleep(ide_drive_t *drive, unsigned long timeout, int altstatus)
{
+ ide_hwif_t *hwif = drive->hwif;
u8 stat;
timeout += jiffies;
@@ -330,6 +331,8 @@ int ide_busy_sleep(ide_hwif_t *hwif, unsigned long timeout, int altstatus)
return 0;
} while (time_before(jiffies, timeout));
+ printk(KERN_ERR "%s: timeout in %s\n", drive->name, __func__);
+
return 1; /* drive timed-out */
}
@@ -420,7 +423,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
tp_ops->dev_select(drive);
msleep(50);
tp_ops->exec_command(hwif, ATA_CMD_DEV_RESET);
- (void)ide_busy_sleep(hwif, WAIT_WORSTCASE, 0);
+ (void)ide_busy_sleep(drive, WAIT_WORSTCASE, 0);
rc = ide_dev_read_id(drive, cmd, id);
}
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index cb942a9b580f..3a53e0834cf7 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -614,12 +614,6 @@ static ide_startstop_t ide_tape_issue_pc(ide_drive_t *drive,
{
idetape_tape_t *tape = drive->driver_data;
- if (drive->pc->c[0] == REQUEST_SENSE &&
- pc->c[0] == REQUEST_SENSE) {
- printk(KERN_ERR "ide-tape: possible ide-tape.c bug - "
- "Two request sense in serial were issued\n");
- }
-
if (drive->failed_pc == NULL && pc->c[0] != REQUEST_SENSE)
drive->failed_pc = pc;
diff --git a/drivers/ide/pdc202xx_old.c b/drivers/ide/pdc202xx_old.c
index 248a54bd2386..b3bc96f930a6 100644
--- a/drivers/ide/pdc202xx_old.c
+++ b/drivers/ide/pdc202xx_old.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org>
- * Copyright (C) 2006-2007 MontaVista Software, Inc.
+ * Copyright (C) 2006-2007, 2009 MontaVista Software, Inc.
* Copyright (C) 2007 Bartlomiej Zolnierkiewicz
*
* Portions Copyright (C) 1999 Promise Technology, Inc.
@@ -227,28 +227,19 @@ somebody_else:
return (dma_stat & 4) == 4; /* return 1 if INTR asserted */
}
-static void pdc202xx_reset_host (ide_hwif_t *hwif)
+static void pdc202xx_reset(ide_drive_t *drive)
{
+ ide_hwif_t *hwif = drive->hwif;
unsigned long high_16 = hwif->extra_base - 16;
u8 udma_speed_flag = inb(high_16 | 0x001f);
+ printk(KERN_WARNING "PDC202xx: software reset...\n");
+
outb(udma_speed_flag | 0x10, high_16 | 0x001f);
mdelay(100);
outb(udma_speed_flag & ~0x10, high_16 | 0x001f);
mdelay(2000); /* 2 seconds ?! */
- printk(KERN_WARNING "PDC202XX: %s channel reset.\n",
- hwif->channel ? "Secondary" : "Primary");
-}
-
-static void pdc202xx_reset (ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
- ide_hwif_t *mate = hwif->mate;
-
- pdc202xx_reset_host(hwif);
- pdc202xx_reset_host(mate);
-
ide_set_max_pio(drive);
}
@@ -328,9 +319,8 @@ static const struct ide_dma_ops pdc20246_dma_ops = {
.dma_start = ide_dma_start,
.dma_end = ide_dma_end,
.dma_test_irq = pdc202xx_dma_test_irq,
- .dma_lost_irq = pdc202xx_dma_lost_irq,
+ .dma_lost_irq = ide_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_clear = pdc202xx_reset,
.dma_sff_read_status = ide_dma_sff_read_status,
};
diff --git a/drivers/ide/piix.c b/drivers/ide/piix.c
index 2aa699933064..69860dea3820 100644
--- a/drivers/ide/piix.c
+++ b/drivers/ide/piix.c
@@ -263,6 +263,7 @@ static const struct ich_laptop ich_laptop[] = {
{ 0x24CA, 0x1025, 0x003d }, /* ICH4 on ACER TM290 */
{ 0x266F, 0x1025, 0x0066 }, /* ICH6 on ACER Aspire 1694WLMi */
{ 0x2653, 0x1043, 0x82D8 }, /* ICH6M on Asus Eee 701 */
+ { 0x27df, 0x104d, 0x900e }, /* ICH7 on Sony TZ-90 */
/* end marker */
{ 0, }
};
diff --git a/drivers/ide/via82cxxx.c b/drivers/ide/via82cxxx.c
index 3ff7231e4858..028de26a25fe 100644
--- a/drivers/ide/via82cxxx.c
+++ b/drivers/ide/via82cxxx.c
@@ -67,6 +67,7 @@ static struct via_isa_bridge {
u8 udma_mask;
u8 flags;
} via_isa_bridges[] = {
+ { "vx855", PCI_DEVICE_ID_VIA_VX855, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ "vx800", PCI_DEVICE_ID_VIA_VX800, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ "cx700", PCI_DEVICE_ID_VIA_CX700, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ "vt8237s", PCI_DEVICE_ID_VIA_8237S, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
@@ -474,6 +475,7 @@ static const struct pci_device_id via_pci_tbl[] = {
{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C576_1), 0 },
{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C586_1), 0 },
{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_CX700_IDE), 0 },
+ { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_VX855_IDE), 0 },
{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_6410), 1 },
{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_SATA_EIDE), 1 },
{ 0, },
diff --git a/drivers/idle/i7300_idle.c b/drivers/idle/i7300_idle.c
index bf740394d704..949c97ff57e3 100644
--- a/drivers/idle/i7300_idle.c
+++ b/drivers/idle/i7300_idle.c
@@ -41,6 +41,10 @@ static int debug;
module_param_named(debug, debug, uint, 0644);
MODULE_PARM_DESC(debug, "Enable debug printks in this driver");
+static int forceload;
+module_param_named(forceload, forceload, uint, 0644);
+MODULE_PARM_DESC(debug, "Enable driver testing on unvalidated i5000");
+
#define dprintk(fmt, arg...) \
do { if (debug) printk(KERN_INFO I7300_PRINT fmt, ##arg); } while (0)
@@ -552,7 +556,7 @@ static int __init i7300_idle_init(void)
cpus_clear(idle_cpumask);
total_us = 0;
- if (i7300_idle_platform_probe(&fbd_dev, &ioat_dev))
+ if (i7300_idle_platform_probe(&fbd_dev, &ioat_dev, forceload))
return -ENODEV;
if (i7300_idle_thrt_save())
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
index 8d71086f5a1c..62f9cf2f94ec 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
@@ -410,6 +410,7 @@ int cxio_flush_sq(struct t3_wq *wq, struct t3_cq *cq, int count)
ptr = wq->sq_rptr + count;
sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2);
while (ptr != wq->sq_wptr) {
+ sqp->signaled = 0;
insert_sq_cqe(wq, cq, sqp);
ptr++;
sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2);
diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c
index 8dc2bb781605..b3684060465e 100644
--- a/drivers/infiniband/hw/ipath/ipath_fs.c
+++ b/drivers/infiniband/hw/ipath/ipath_fs.c
@@ -347,7 +347,7 @@ static int ipathfs_fill_super(struct super_block *sb, void *data,
spin_unlock_irqrestore(&ipath_devs_lock, flags);
ret = create_device_files(sb, dd);
if (ret) {
- deactivate_super(sb);
+ deactivate_locked_super(sb);
goto bail;
}
spin_lock_irqsave(&ipath_devs_lock, flags);
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h
index 9974e886b8de..8a7dd6795fa0 100644
--- a/drivers/infiniband/hw/mlx4/mlx4_ib.h
+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h
@@ -86,6 +86,7 @@ struct mlx4_ib_mr {
struct mlx4_ib_fast_reg_page_list {
struct ib_fast_reg_page_list ibfrpl;
+ __be64 *mapped_page_list;
dma_addr_t map;
};
diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index 8e4d26d56a95..8f3666b20ea4 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -231,7 +231,11 @@ struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device
if (!mfrpl)
return ERR_PTR(-ENOMEM);
- mfrpl->ibfrpl.page_list = dma_alloc_coherent(&dev->dev->pdev->dev,
+ mfrpl->ibfrpl.page_list = kmalloc(size, GFP_KERNEL);
+ if (!mfrpl->ibfrpl.page_list)
+ goto err_free;
+
+ mfrpl->mapped_page_list = dma_alloc_coherent(&dev->dev->pdev->dev,
size, &mfrpl->map,
GFP_KERNEL);
if (!mfrpl->ibfrpl.page_list)
@@ -242,6 +246,7 @@ struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device
return &mfrpl->ibfrpl;
err_free:
+ kfree(mfrpl->ibfrpl.page_list);
kfree(mfrpl);
return ERR_PTR(-ENOMEM);
}
@@ -252,8 +257,9 @@ void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list)
struct mlx4_ib_fast_reg_page_list *mfrpl = to_mfrpl(page_list);
int size = page_list->max_page_list_len * sizeof (u64);
- dma_free_coherent(&dev->dev->pdev->dev, size, page_list->page_list,
+ dma_free_coherent(&dev->dev->pdev->dev, size, mfrpl->mapped_page_list,
mfrpl->map);
+ kfree(mfrpl->ibfrpl.page_list);
kfree(mfrpl);
}
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index f385a24d31d2..20724aee76f4 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1365,7 +1365,7 @@ static void set_fmr_seg(struct mlx4_wqe_fmr_seg *fseg, struct ib_send_wr *wr)
int i;
for (i = 0; i < wr->wr.fast_reg.page_list_len; ++i)
- wr->wr.fast_reg.page_list->page_list[i] =
+ mfrpl->mapped_page_list[i] =
cpu_to_be64(wr->wr.fast_reg.page_list->page_list[i] |
MLX4_MTT_FLAG_PRESENT);
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 13d7674b293d..75223f50de58 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -599,6 +599,7 @@ static struct scsi_host_template iscsi_iser_sht = {
.eh_abort_handler = iscsi_eh_abort,
.eh_device_reset_handler= iscsi_eh_device_reset,
.eh_target_reset_handler= iscsi_eh_target_reset,
+ .target_alloc = iscsi_target_alloc,
.use_clustering = DISABLE_CLUSTERING,
.proc_name = "iscsi_iser",
.this_id = -1,
diff --git a/drivers/input/ff-memless.c b/drivers/input/ff-memless.c
index bc4e40f3ede7..2d1415e16834 100644
--- a/drivers/input/ff-memless.c
+++ b/drivers/input/ff-memless.c
@@ -226,7 +226,7 @@ static int get_compatible_type(struct ff_device *ff, int effect_type)
*/
static void ml_combine_effects(struct ff_effect *effect,
struct ml_effect_state *state,
- int gain)
+ unsigned int gain)
{
struct ff_effect *new = state->effect;
unsigned int strong, weak, i;
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 935a1835de2d..5d445f48789b 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -29,6 +29,24 @@ MODULE_LICENSE("GPL");
#define INPUT_DEVICES 256
+/*
+ * EV_ABS events which should not be cached are listed here.
+ */
+static unsigned int input_abs_bypass_init_data[] __initdata = {
+ ABS_MT_TOUCH_MAJOR,
+ ABS_MT_TOUCH_MINOR,
+ ABS_MT_WIDTH_MAJOR,
+ ABS_MT_WIDTH_MINOR,
+ ABS_MT_ORIENTATION,
+ ABS_MT_POSITION_X,
+ ABS_MT_POSITION_Y,
+ ABS_MT_TOOL_TYPE,
+ ABS_MT_BLOB_ID,
+ ABS_MT_TRACKING_ID,
+ 0
+};
+static unsigned long input_abs_bypass[BITS_TO_LONGS(ABS_CNT)];
+
static LIST_HEAD(input_dev_list);
static LIST_HEAD(input_handler_list);
@@ -161,6 +179,10 @@ static void input_handle_event(struct input_dev *dev,
disposition = INPUT_PASS_TO_HANDLERS;
}
break;
+ case SYN_MT_REPORT:
+ dev->sync = 0;
+ disposition = INPUT_PASS_TO_HANDLERS;
+ break;
}
break;
@@ -192,6 +214,11 @@ static void input_handle_event(struct input_dev *dev,
case EV_ABS:
if (is_event_supported(code, dev->absbit, ABS_MAX)) {
+ if (test_bit(code, input_abs_bypass)) {
+ disposition = INPUT_PASS_TO_HANDLERS;
+ break;
+ }
+
value = input_defuzz_abs_event(value,
dev->abs[code], dev->absfuzz[code]);
@@ -1634,10 +1661,20 @@ static const struct file_operations input_fops = {
.open = input_open_file,
};
+static void __init input_init_abs_bypass(void)
+{
+ const unsigned int *p;
+
+ for (p = input_abs_bypass_init_data; *p; p++)
+ input_abs_bypass[BIT_WORD(*p)] |= BIT_MASK(*p);
+}
+
static int __init input_init(void)
{
int err;
+ input_init_abs_bypass();
+
err = class_register(&input_class);
if (err) {
printk(KERN_ERR "input: unable to register input_dev class\n");
diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index 4224f0112849..012a5e753991 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -843,7 +843,13 @@ static const struct input_device_id joydev_blacklist[] = {
INPUT_DEVICE_ID_MATCH_KEYBIT,
.evbit = { BIT_MASK(EV_KEY) },
.keybit = { [BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH) },
- }, /* Avoid itouchpads, touchscreens and tablets */
+ }, /* Avoid itouchpads and touchscreens */
+ {
+ .flags = INPUT_DEVICE_ID_MATCH_EVBIT |
+ INPUT_DEVICE_ID_MATCH_KEYBIT,
+ .evbit = { BIT_MASK(EV_KEY) },
+ .keybit = { [BIT_WORD(BTN_DIGI)] = BIT_MASK(BTN_DIGI) },
+ }, /* Avoid tablets, digitisers and similar devices */
{ } /* Terminating entry */
};
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 444dec07e5d8..df3f8aa68115 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -895,6 +895,13 @@ static unsigned int atkbd_amilo_pa1510_forced_release_keys[] = {
};
/*
+ * Amilo Xi 3650 key release for light touch bar not working
+ */
+static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = {
+ 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U
+};
+
+/*
* atkbd_set_keycode_table() initializes keyboard's keycode table
* according to the selected scancode set
*/
@@ -1560,6 +1567,15 @@ static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = {
.callback = atkbd_setup_forced_release,
.driver_data = atkbd_amilo_pa1510_forced_release_keys,
},
+ {
+ .ident = "Fujitsu Amilo Xi 3650",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"),
+ },
+ .callback = atkbd_setup_forced_release,
+ .driver_data = atkbd_amilo_xi3650_forced_release_keys,
+ },
{ }
};
diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c
index 058fa8b02c21..87ec7b18ac69 100644
--- a/drivers/input/keyboard/omap-keypad.c
+++ b/drivers/input/keyboard/omap-keypad.c
@@ -100,8 +100,20 @@ static irqreturn_t omap_kp_interrupt(int irq, void *dev_id)
/* disable keyboard interrupt and schedule for handling */
if (cpu_is_omap24xx()) {
int i;
- for (i = 0; i < omap_kp->rows; i++)
- disable_irq(gpio_to_irq(row_gpios[i]));
+
+ for (i = 0; i < omap_kp->rows; i++) {
+ int gpio_irq = gpio_to_irq(row_gpios[i]);
+ /*
+ * The interrupt which we're currently handling should
+ * be disabled _nosync() to avoid deadlocks waiting
+ * for this handler to complete. All others should
+ * be disabled the regular way for SMP safety.
+ */
+ if (gpio_irq == irq)
+ disable_irq_nosync(gpio_irq);
+ else
+ disable_irq(gpio_irq);
+ }
} else
/* disable keyboard interrupt and schedule for handling */
omap_writew(1, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index cbedf957cc58..daecc75c72e6 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -37,6 +37,7 @@
#define ALPS_FW_BK_2 0x40
static const struct alps_model_info alps_model_data[] = {
+ { { 0x32, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Toshiba Salellite Pro M10 */
{ { 0x33, 0x02, 0x0a }, 0x88, 0xf8, ALPS_OLDPROTO }, /* UMAX-530T */
{ { 0x53, 0x02, 0x0a }, 0xf8, 0xf8, 0 },
{ { 0x53, 0x02, 0x14 }, 0xf8, 0xf8, 0 },
diff --git a/drivers/input/mouse/appletouch.c b/drivers/input/mouse/appletouch.c
index 454b96112f03..e0140fdc02a5 100644
--- a/drivers/input/mouse/appletouch.c
+++ b/drivers/input/mouse/appletouch.c
@@ -255,15 +255,22 @@ MODULE_PARM_DESC(debug, "Activate debugging output");
*/
static int atp_geyser_init(struct usb_device *udev)
{
- char data[8];
+ char *data;
int size;
int i;
+ int ret;
+
+ data = kmalloc(8, GFP_KERNEL);
+ if (!data) {
+ err("Out of memory");
+ return -ENOMEM;
+ }
size = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
ATP_GEYSER_MODE_READ_REQUEST_ID,
USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
ATP_GEYSER_MODE_REQUEST_VALUE,
- ATP_GEYSER_MODE_REQUEST_INDEX, &data, 8, 5000);
+ ATP_GEYSER_MODE_REQUEST_INDEX, data, 8, 5000);
if (size != 8) {
dprintk("atp_geyser_init: read error\n");
@@ -271,7 +278,8 @@ static int atp_geyser_init(struct usb_device *udev)
dprintk("appletouch[%d]: %d\n", i, data[i]);
err("Failed to read mode from device.");
- return -EIO;
+ ret = -EIO;
+ goto out_free;
}
/* Apply the mode switch */
@@ -281,7 +289,7 @@ static int atp_geyser_init(struct usb_device *udev)
ATP_GEYSER_MODE_WRITE_REQUEST_ID,
USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
ATP_GEYSER_MODE_REQUEST_VALUE,
- ATP_GEYSER_MODE_REQUEST_INDEX, &data, 8, 5000);
+ ATP_GEYSER_MODE_REQUEST_INDEX, data, 8, 5000);
if (size != 8) {
dprintk("atp_geyser_init: write error\n");
@@ -289,9 +297,13 @@ static int atp_geyser_init(struct usb_device *udev)
dprintk("appletouch[%d]: %d\n", i, data[i]);
err("Failed to request geyser raw mode");
- return -EIO;
+ ret = -EIO;
+ goto out_free;
}
- return 0;
+ ret = 0;
+out_free:
+ kfree(data);
+ return ret;
}
/*
diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c
index 2998a6ac9ae4..2d8fc0bf6923 100644
--- a/drivers/input/mouse/bcm5974.c
+++ b/drivers/input/mouse/bcm5974.c
@@ -51,6 +51,10 @@
#define USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI 0x0230
#define USB_DEVICE_ID_APPLE_WELLSPRING2_ISO 0x0231
#define USB_DEVICE_ID_APPLE_WELLSPRING2_JIS 0x0232
+/* Macbook5,1 (unibody), aka wellspring3 */
+#define USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI 0x0236
+#define USB_DEVICE_ID_APPLE_WELLSPRING3_ISO 0x0237
+#define USB_DEVICE_ID_APPLE_WELLSPRING3_JIS 0x0238
#define BCM5974_DEVICE(prod) { \
.match_flags = (USB_DEVICE_ID_MATCH_DEVICE | \
@@ -72,6 +76,10 @@ static const struct usb_device_id bcm5974_table[] = {
BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI),
BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING2_ISO),
BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING2_JIS),
+ /* Macbook5,1 */
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING3_ISO),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING3_JIS),
/* Terminating entry */
{}
};
@@ -96,14 +104,23 @@ struct bt_data {
u8 rel_y; /* relative y coordinate */
};
-/* trackpad header structure */
-struct tp_header {
- u8 unknown1[16]; /* constants, timers, etc */
- u8 fingers; /* number of fingers on trackpad */
- u8 unknown2[9]; /* constants, timers, etc */
+/* trackpad header types */
+enum tp_type {
+ TYPE1, /* plain trackpad */
+ TYPE2 /* button integrated in trackpad */
};
-/* trackpad finger structure */
+/* trackpad finger data offsets, le16-aligned */
+#define FINGER_TYPE1 (13 * sizeof(__le16))
+#define FINGER_TYPE2 (15 * sizeof(__le16))
+
+/* trackpad button data offsets */
+#define BUTTON_TYPE2 15
+
+/* list of device capability bits */
+#define HAS_INTEGRATED_BUTTON 1
+
+/* trackpad finger structure, le16-aligned */
struct tp_finger {
__le16 origin; /* zero when switching track finger */
__le16 abs_x; /* absolute x coodinate */
@@ -117,13 +134,11 @@ struct tp_finger {
__le16 force_minor; /* trackpad force, minor axis? */
__le16 unused[3]; /* zeros */
__le16 multi; /* one finger: varies, more fingers: constant */
-};
+} __attribute__((packed,aligned(2)));
-/* trackpad data structure, empirically at least ten fingers */
-struct tp_data {
- struct tp_header header;
- struct tp_finger finger[16];
-};
+/* trackpad finger data size, empirically at least ten fingers */
+#define SIZEOF_FINGER sizeof(struct tp_finger)
+#define SIZEOF_ALL_FINGERS (16 * SIZEOF_FINGER)
/* device-specific parameters */
struct bcm5974_param {
@@ -136,9 +151,12 @@ struct bcm5974_param {
/* device-specific configuration */
struct bcm5974_config {
int ansi, iso, jis; /* the product id of this device */
+ int caps; /* device capability bitmask */
int bt_ep; /* the endpoint of the button interface */
int bt_datalen; /* data length of the button interface */
int tp_ep; /* the endpoint of the trackpad interface */
+ enum tp_type tp_type; /* type of trackpad interface */
+ int tp_offset; /* offset to trackpad finger data */
int tp_datalen; /* data length of the trackpad interface */
struct bcm5974_param p; /* finger pressure limits */
struct bcm5974_param w; /* finger width limits */
@@ -158,7 +176,7 @@ struct bcm5974 {
struct urb *bt_urb; /* button usb request block */
struct bt_data *bt_data; /* button transferred data */
struct urb *tp_urb; /* trackpad usb request block */
- struct tp_data *tp_data; /* trackpad transferred data */
+ u8 *tp_data; /* trackpad transferred data */
int fingers; /* number of fingers on trackpad */
};
@@ -183,8 +201,9 @@ static const struct bcm5974_config bcm5974_config_table[] = {
USB_DEVICE_ID_APPLE_WELLSPRING_ANSI,
USB_DEVICE_ID_APPLE_WELLSPRING_ISO,
USB_DEVICE_ID_APPLE_WELLSPRING_JIS,
+ 0,
0x84, sizeof(struct bt_data),
- 0x81, sizeof(struct tp_data),
+ 0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS,
{ DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 256 },
{ DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 },
{ DIM_X, DIM_X / SN_COORD, -4824, 5342 },
@@ -194,13 +213,26 @@ static const struct bcm5974_config bcm5974_config_table[] = {
USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI,
USB_DEVICE_ID_APPLE_WELLSPRING2_ISO,
USB_DEVICE_ID_APPLE_WELLSPRING2_JIS,
+ 0,
0x84, sizeof(struct bt_data),
- 0x81, sizeof(struct tp_data),
+ 0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS,
{ DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 256 },
{ DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 },
{ DIM_X, DIM_X / SN_COORD, -4824, 4824 },
{ DIM_Y, DIM_Y / SN_COORD, -172, 4290 }
},
+ {
+ USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI,
+ USB_DEVICE_ID_APPLE_WELLSPRING3_ISO,
+ USB_DEVICE_ID_APPLE_WELLSPRING3_JIS,
+ HAS_INTEGRATED_BUTTON,
+ 0x84, sizeof(struct bt_data),
+ 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+ { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 },
+ { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 },
+ { DIM_X, DIM_X / SN_COORD, -4460, 5166 },
+ { DIM_Y, DIM_Y / SN_COORD, -75, 6700 }
+ },
{}
};
@@ -257,6 +289,7 @@ static void setup_events_to_report(struct input_dev *input_dev,
__set_bit(BTN_TOOL_FINGER, input_dev->keybit);
__set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
__set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
+ __set_bit(BTN_TOOL_QUADTAP, input_dev->keybit);
__set_bit(BTN_LEFT, input_dev->keybit);
}
@@ -266,6 +299,11 @@ static int report_bt_state(struct bcm5974 *dev, int size)
if (size != sizeof(struct bt_data))
return -EIO;
+ dprintk(7,
+ "bcm5974: button data: %x %x %x %x\n",
+ dev->bt_data->unknown1, dev->bt_data->button,
+ dev->bt_data->rel_x, dev->bt_data->rel_y);
+
input_report_key(dev->input, BTN_LEFT, dev->bt_data->button);
input_sync(dev->input);
@@ -276,29 +314,37 @@ static int report_bt_state(struct bcm5974 *dev, int size)
static int report_tp_state(struct bcm5974 *dev, int size)
{
const struct bcm5974_config *c = &dev->cfg;
- const struct tp_finger *f = dev->tp_data->finger;
+ const struct tp_finger *f;
struct input_dev *input = dev->input;
- const int fingers = (size - 26) / 28;
- int raw_p, raw_w, raw_x, raw_y;
- int ptest = 0, origin = 0, nmin = 0, nmax = 0;
+ int raw_p, raw_w, raw_x, raw_y, raw_n;
+ int ptest = 0, origin = 0, ibt = 0, nmin = 0, nmax = 0;
int abs_p = 0, abs_w = 0, abs_x = 0, abs_y = 0;
- if (size < 26 || (size - 26) % 28 != 0)
+ if (size < c->tp_offset || (size - c->tp_offset) % SIZEOF_FINGER != 0)
return -EIO;
+ /* finger data, le16-aligned */
+ f = (const struct tp_finger *)(dev->tp_data + c->tp_offset);
+ raw_n = (size - c->tp_offset) / SIZEOF_FINGER;
+
/* always track the first finger; when detached, start over */
- if (fingers) {
+ if (raw_n) {
raw_p = raw2int(f->force_major);
raw_w = raw2int(f->size_major);
raw_x = raw2int(f->abs_x);
raw_y = raw2int(f->abs_y);
dprintk(9,
- "bcm5974: raw: p: %+05d w: %+05d x: %+05d y: %+05d\n",
- raw_p, raw_w, raw_x, raw_y);
+ "bcm5974: "
+ "raw: p: %+05d w: %+05d x: %+05d y: %+05d n: %d\n",
+ raw_p, raw_w, raw_x, raw_y, raw_n);
ptest = int2bound(&c->p, raw_p);
origin = raw2int(f->origin);
+
+ /* set the integrated button if applicable */
+ if (c->tp_type == TYPE2)
+ ibt = raw2int(dev->tp_data[BUTTON_TYPE2]);
}
/* while tracking finger still valid, count all fingers */
@@ -307,12 +353,13 @@ static int report_tp_state(struct bcm5974 *dev, int size)
abs_w = int2bound(&c->w, raw_w);
abs_x = int2bound(&c->x, raw_x - c->x.devmin);
abs_y = int2bound(&c->y, c->y.devmax - raw_y);
- for (; f != dev->tp_data->finger + fingers; f++) {
+ while (raw_n--) {
ptest = int2bound(&c->p, raw2int(f->force_major));
if (ptest > PRESSURE_LOW)
nmax++;
if (ptest > PRESSURE_HIGH)
nmin++;
+ f++;
}
}
@@ -324,7 +371,8 @@ static int report_tp_state(struct bcm5974 *dev, int size)
input_report_key(input, BTN_TOUCH, dev->fingers > 0);
input_report_key(input, BTN_TOOL_FINGER, dev->fingers == 1);
input_report_key(input, BTN_TOOL_DOUBLETAP, dev->fingers == 2);
- input_report_key(input, BTN_TOOL_TRIPLETAP, dev->fingers > 2);
+ input_report_key(input, BTN_TOOL_TRIPLETAP, dev->fingers == 3);
+ input_report_key(input, BTN_TOOL_QUADTAP, dev->fingers > 3);
input_report_abs(input, ABS_PRESSURE, abs_p);
input_report_abs(input, ABS_TOOL_WIDTH, abs_w);
@@ -335,11 +383,15 @@ static int report_tp_state(struct bcm5974 *dev, int size)
dprintk(8,
"bcm5974: abs: p: %+05d w: %+05d x: %+05d y: %+05d "
- "nmin: %d nmax: %d n: %d\n",
- abs_p, abs_w, abs_x, abs_y, nmin, nmax, dev->fingers);
+ "nmin: %d nmax: %d n: %d ibt: %d\n", abs_p, abs_w,
+ abs_x, abs_y, nmin, nmax, dev->fingers, ibt);
}
+ /* type 2 reports button events via ibt only */
+ if (c->tp_type == TYPE2)
+ input_report_key(input, BTN_LEFT, ibt);
+
input_sync(input);
return 0;
@@ -649,6 +701,8 @@ static int bcm5974_probe(struct usb_interface *iface,
input_dev->name = "bcm5974";
input_dev->phys = dev->phys;
usb_to_input_id(dev->udev, &input_dev->id);
+ /* report driver capabilities via the version field */
+ input_dev->id.version = cfg->caps;
input_dev->dev.parent = &iface->dev;
input_set_drvdata(input_dev, dev);
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 6ab0eb1ada1c..4bc78892ba91 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1,7 +1,7 @@
/*
- * Elantech Touchpad driver (v5)
+ * Elantech Touchpad driver (v6)
*
- * Copyright (C) 2007-2008 Arjan Opmeer <arjan@opmeer.net>
+ * Copyright (C) 2007-2009 Arjan Opmeer <arjan@opmeer.net>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
@@ -178,6 +178,7 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse)
struct elantech_data *etd = psmouse->private;
unsigned char *packet = psmouse->packet;
int fingers;
+ static int old_fingers;
if (etd->fw_version_maj == 0x01) {
/* byte 0: D U p1 p2 1 p3 R L
@@ -190,6 +191,14 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse)
fingers = (packet[0] & 0xc0) >> 6;
}
+ if (etd->jumpy_cursor) {
+ /* Discard packets that are likely to have bogus coordinates */
+ if (fingers > old_fingers) {
+ elantech_debug("elantech.c: discarding packet\n");
+ goto discard_packet_v1;
+ }
+ }
+
input_report_key(dev, BTN_TOUCH, fingers != 0);
/* byte 2: x7 x6 x5 x4 x3 x2 x1 x0
@@ -216,6 +225,9 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse)
}
input_sync(dev);
+
+ discard_packet_v1:
+ old_fingers = fingers;
}
/*
@@ -363,9 +375,14 @@ static int elantech_set_absolute_mode(struct psmouse *psmouse)
rc = -1;
break;
}
+ }
+
+ if (rc == 0) {
/*
- * Read back reg 0x10. The touchpad is probably initalising
- * and not ready until we read back the value we just wrote.
+ * Read back reg 0x10. For hardware version 1 we must make
+ * sure the absolute mode bit is set. For hardware version 2
+ * the touchpad is probably initalising and not ready until
+ * we read back the value we just wrote.
*/
do {
rc = elantech_read_reg(psmouse, 0x10, &val);
@@ -373,12 +390,18 @@ static int elantech_set_absolute_mode(struct psmouse *psmouse)
break;
tries--;
elantech_debug("elantech.c: retrying read (%d).\n",
- tries);
+ tries);
msleep(ETP_READ_BACK_DELAY);
} while (tries > 0);
- if (rc)
+
+ if (rc) {
pr_err("elantech.c: failed to read back register 0x10.\n");
- break;
+ } else if (etd->hw_version == 1 &&
+ !(val & ETP_R10_ABSOLUTE_MODE)) {
+ pr_err("elantech.c: touchpad refuses "
+ "to switch to absolute mode.\n");
+ rc = -1;
+ }
}
if (rc)
@@ -662,6 +685,17 @@ int elantech_init(struct psmouse *psmouse)
param[0], param[1], param[2]);
etd->capabilities = param[0];
+ /*
+ * This firmware seems to suffer from misreporting coordinates when
+ * a touch action starts causing the mouse cursor or scrolled page
+ * to jump. Enable a workaround.
+ */
+ if (etd->fw_version_maj == 0x02 && etd->fw_version_min == 0x22) {
+ pr_info("elantech.c: firmware version 2.34 detected, "
+ "enabling jumpy cursor workaround\n");
+ etd->jumpy_cursor = 1;
+ }
+
if (elantech_set_absolute_mode(psmouse)) {
pr_err("elantech.c: failed to put touchpad into absolute mode.\n");
goto init_fail;
diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
index bee282b540bc..ed848cc80814 100644
--- a/drivers/input/mouse/elantech.h
+++ b/drivers/input/mouse/elantech.h
@@ -1,7 +1,7 @@
/*
- * Elantech Touchpad driver (v5)
+ * Elantech Touchpad driver (v6)
*
- * Copyright (C) 2007-2008 Arjan Opmeer <arjan@opmeer.net>
+ * Copyright (C) 2007-2009 Arjan Opmeer <arjan@opmeer.net>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
@@ -104,6 +104,7 @@ struct elantech_data {
unsigned char fw_version_min;
unsigned char hw_version;
unsigned char paritycheck;
+ unsigned char jumpy_cursor;
unsigned char parity[256];
};
diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c
index df81b0aaa9f8..15ac3205ac05 100644
--- a/drivers/input/mouse/lifebook.c
+++ b/drivers/input/mouse/lifebook.c
@@ -61,6 +61,12 @@ static const struct dmi_system_id lifebook_dmi_table[] = {
},
},
{
+ .ident = "Lifebook B-2130",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "ZEPHYR"),
+ },
+ },
+ {
.ident = "Lifebook B213x/B2150",
.matches = {
DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B2131/B2133/B2150"),
diff --git a/drivers/input/serio/ambakmi.c b/drivers/input/serio/ambakmi.c
index e29cdc13a199..a28c06d686e1 100644
--- a/drivers/input/serio/ambakmi.c
+++ b/drivers/input/serio/ambakmi.c
@@ -107,7 +107,7 @@ static void amba_kmi_close(struct serio *io)
clk_disable(kmi->clk);
}
-static int amba_kmi_probe(struct amba_device *dev, void *id)
+static int amba_kmi_probe(struct amba_device *dev, struct amba_id *id)
{
struct amba_kmi_port *kmi;
struct serio *io;
diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
index 67248c31e19a..be5bbbb8ae4e 100644
--- a/drivers/input/serio/libps2.c
+++ b/drivers/input/serio/libps2.c
@@ -210,7 +210,7 @@ int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
timeout = wait_event_timeout(ps2dev->wait,
!(ps2dev->flags & PS2_FLAG_CMD1), timeout);
- if (ps2dev->cmdcnt && timeout > 0) {
+ if (ps2dev->cmdcnt && !(ps2dev->flags & PS2_FLAG_CMD1)) {
timeout = ps2_adjust_timeout(ps2dev, command, timeout);
wait_event_timeout(ps2dev->wait,
diff --git a/drivers/input/serio/sa1111ps2.c b/drivers/input/serio/sa1111ps2.c
index 57953c0eb82f..f412c69478a8 100644
--- a/drivers/input/serio/sa1111ps2.c
+++ b/drivers/input/serio/sa1111ps2.c
@@ -77,7 +77,7 @@ static irqreturn_t ps2_txint(int irq, void *dev_id)
spin_lock(&ps2if->lock);
status = sa1111_readl(ps2if->base + SA1111_PS2STAT);
if (ps2if->head == ps2if->tail) {
- disable_irq(irq);
+ disable_irq_nosync(irq);
/* done */
} else if (status & PS2STAT_TXE) {
sa1111_writel(ps2if->buf[ps2if->tail], ps2if->base + SA1111_PS2DATA);
diff --git a/drivers/input/tablet/wacom.h b/drivers/input/tablet/wacom.h
index 677680e9f54f..9710bfd49cf9 100644
--- a/drivers/input/tablet/wacom.h
+++ b/drivers/input/tablet/wacom.h
@@ -11,7 +11,7 @@
* Copyright (c) 2000 Daniel Egger <egger@suse.de>
* Copyright (c) 2001 Frederic Lepied <flepied@mandrakesoft.com>
* Copyright (c) 2004 Panagiotis Issaris <panagiotis.issaris@mech.kuleuven.ac.be>
- * Copyright (c) 2002-2008 Ping Cheng <pingc@wacom.com>
+ * Copyright (c) 2002-2009 Ping Cheng <pingc@wacom.com>
*
* ChangeLog:
* v0.1 (vp) - Initial release
@@ -67,6 +67,7 @@
* v1.47 (pc) - Added support for Bamboo
* v1.48 (pc) - Added support for Bamboo1, BambooFun, and Cintiq 12WX
* v1.49 (pc) - Added support for USB Tablet PC (0x90, 0x93, and 0x9A)
+ * v1.50 (pc) - Fixed a TabletPC touch bug in 2.6.28
*/
/*
@@ -87,7 +88,7 @@
/*
* Version Information
*/
-#define DRIVER_VERSION "v1.49"
+#define DRIVER_VERSION "v1.50"
#define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>"
#define DRIVER_DESC "USB Wacom Graphire and Wacom Intuos tablet driver"
#define DRIVER_LICENSE "GPL"
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 484496daa0f3..b8624f27abf9 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -289,6 +289,7 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
5000); /* 5 secs */
} while (result < 0 && limit++ < 5);
+ /* No need to parse the Descriptor. It isn't an error though */
if (result < 0)
goto out;
@@ -368,9 +369,8 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
}
}
- result = 0;
-
out:
+ result = 0;
kfree(report);
return result;
}
@@ -425,6 +425,15 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
endpoint = &intf->cur_altsetting->endpoint[0].desc;
+ /* Initialize touch_x_max and touch_y_max in case it is not defined */
+ if (wacom_wac->features->type == TABLETPC) {
+ features->touch_x_max = 1023;
+ features->touch_y_max = 1023;
+ } else {
+ features->touch_x_max = 0;
+ features->touch_y_max = 0;
+ }
+
/* TabletPC need to retrieve the physical and logical maximum from report descriptor */
if (wacom_wac->features->type == TABLETPC) {
if (usb_get_extra_descriptor(interface, HID_DEVICET_HID, &hid_desc)) {
diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c
index 4ab070246892..948e167557f1 100644
--- a/drivers/input/touchscreen/tsc2007.c
+++ b/drivers/input/touchscreen/tsc2007.c
@@ -200,8 +200,9 @@ static int tsc2007_read_values(struct tsc2007 *tsc)
static enum hrtimer_restart tsc2007_timer(struct hrtimer *handle)
{
struct tsc2007 *ts = container_of(handle, struct tsc2007, timer);
+ unsigned long flags;
- spin_lock_irq(&ts->lock);
+ spin_lock_irqsave(&ts->lock, flags);
if (unlikely(!ts->get_pendown_state() && ts->pendown)) {
struct input_dev *input = ts->input;
@@ -222,7 +223,7 @@ static enum hrtimer_restart tsc2007_timer(struct hrtimer *handle)
tsc2007_send_event(ts);
}
- spin_unlock_irq(&ts->lock);
+ spin_unlock_irqrestore(&ts->lock, flags);
return HRTIMER_NORESTART;
}
@@ -235,7 +236,7 @@ static irqreturn_t tsc2007_irq(int irq, void *handle)
spin_lock_irqsave(&ts->lock, flags);
if (likely(ts->get_pendown_state())) {
- disable_irq(ts->irq);
+ disable_irq_nosync(ts->irq);
hrtimer_start(&ts->timer, ktime_set(0, TS_POLL_DELAY),
HRTIMER_MODE_REL);
}
diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c
index e868264fe799..6954f5500108 100644
--- a/drivers/input/touchscreen/ucb1400_ts.c
+++ b/drivers/input/touchscreen/ucb1400_ts.c
@@ -256,7 +256,7 @@ static irqreturn_t ucb1400_hard_irq(int irqnr, void *devid)
struct ucb1400_ts *ucb = devid;
if (irqnr == ucb->irq) {
- disable_irq(ucb->irq);
+ disable_irq_nosync(ucb->irq);
ucb->irq_pending = 1;
wake_up(&ucb->ts_wait);
return IRQ_HANDLED;
@@ -419,7 +419,7 @@ static int ucb1400_ts_remove(struct platform_device *dev)
#ifdef CONFIG_PM
static int ucb1400_ts_resume(struct platform_device *dev)
{
- struct ucb1400_ts *ucb = platform_get_drvdata(dev);
+ struct ucb1400_ts *ucb = dev->dev.platform_data;
if (ucb->ts_task) {
/*
diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c
index b129409925af..bff72d81f263 100644
--- a/drivers/isdn/capi/capifs.c
+++ b/drivers/isdn/capi/capifs.c
@@ -75,15 +75,17 @@ static int capifs_remount(struct super_block *s, int *flags, char *data)
}
}
- kfree(s->s_options);
- s->s_options = new_opt;
+ mutex_lock(&s->s_root->d_inode->i_mutex);
+ replace_mount_options(s, new_opt);
config.setuid = setuid;
config.setgid = setgid;
config.uid = uid;
config.gid = gid;
config.mode = mode;
+ mutex_unlock(&s->s_root->d_inode->i_mutex);
+
return 0;
}
@@ -154,13 +156,16 @@ void capifs_new_ncci(unsigned int number, dev_t device)
if (!inode)
return;
inode->i_ino = number+2;
+
+ dentry = get_node(number);
+
+ /* config contents is protected by root's i_mutex */
inode->i_uid = config.setuid ? config.uid : current_fsuid();
inode->i_gid = config.setgid ? config.gid : current_fsgid();
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
init_special_inode(inode, S_IFCHR|config.mode, device);
//inode->i_op = &capifs_file_inode_operations;
- dentry = get_node(number);
if (!IS_ERR(dentry) && !dentry->d_inode)
d_instantiate(dentry, inode);
mutex_unlock(&capifs_root->d_inode->i_mutex);
diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c
index b171e75cb52e..29808c4fb1cb 100644
--- a/drivers/isdn/gigaset/isocdata.c
+++ b/drivers/isdn/gigaset/isocdata.c
@@ -175,7 +175,7 @@ int gigaset_isowbuf_getbytes(struct isowbuf_t *iwb, int size)
return -EINVAL;
}
src = iwb->read;
- if (unlikely(limit > BAS_OUTBUFSIZE + BAS_OUTBUFPAD ||
+ if (unlikely(limit >= BAS_OUTBUFSIZE + BAS_OUTBUFPAD ||
(read < src && limit >= src))) {
pr_err("isoc write buffer frame reservation violated\n");
return -EFAULT;
diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c
index 1a83910f674f..eaf722fe309a 100644
--- a/drivers/lguest/x86/core.c
+++ b/drivers/lguest/x86/core.c
@@ -358,6 +358,16 @@ void lguest_arch_handle_trap(struct lg_cpu *cpu)
if (emulate_insn(cpu))
return;
}
+ /* If KVM is active, the vmcall instruction triggers a
+ * General Protection Fault. Normally it triggers an
+ * invalid opcode fault (6): */
+ case 6:
+ /* We need to check if ring == GUEST_PL and
+ * faulting instruction == vmcall. */
+ if (is_hypercall(cpu)) {
+ rewrite_hypercall(cpu);
+ return;
+ }
break;
case 14: /* We've intercepted a Page Fault. */
/* The Guest accessed a virtual address that wasn't mapped.
@@ -403,15 +413,6 @@ void lguest_arch_handle_trap(struct lg_cpu *cpu)
* up the pointer now to indicate a hypercall is pending. */
cpu->hcall = (struct hcall_args *)cpu->regs;
return;
- case 6:
- /* kvm hypercalls trigger an invalid opcode fault (6).
- * We need to check if ring == GUEST_PL and
- * faulting instruction == vmcall. */
- if (is_hypercall(cpu)) {
- rewrite_hypercall(cpu);
- return;
- }
- break;
}
/* We didn't handle the trap, so it needs to go to the Guest. */
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 1fb91edc7de2..56df1cee8fb3 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -986,6 +986,9 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start)
oldindex = index;
oldpage = page;
+ bitmap->filemap[bitmap->file_pages++] = page;
+ bitmap->last_page_size = count;
+
if (outofdate) {
/*
* if bitmap is out of date, dirty the
@@ -998,15 +1001,9 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start)
write_page(bitmap, page, 1);
ret = -EIO;
- if (bitmap->flags & BITMAP_WRITE_ERROR) {
- /* release, page not in filemap yet */
- put_page(page);
+ if (bitmap->flags & BITMAP_WRITE_ERROR)
goto err;
- }
}
-
- bitmap->filemap[bitmap->file_pages++] = page;
- bitmap->last_page_size = count;
}
paddr = kmap_atomic(page, KM_USER0);
if (bitmap->flags & BITMAP_HOSTENDIAN)
@@ -1016,9 +1013,11 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start)
kunmap_atomic(paddr, KM_USER0);
if (b) {
/* if the disk bit is set, set the memory bit */
- bitmap_set_memory_bits(bitmap, i << CHUNK_BLOCK_SHIFT(bitmap),
- ((i+1) << (CHUNK_BLOCK_SHIFT(bitmap)) >= start)
- );
+ int needed = ((sector_t)(i+1) << (CHUNK_BLOCK_SHIFT(bitmap))
+ >= start);
+ bitmap_set_memory_bits(bitmap,
+ (sector_t)i << CHUNK_BLOCK_SHIFT(bitmap),
+ needed);
bit_cnt++;
set_page_attr(bitmap, page, BITMAP_PAGE_CLEAN);
}
@@ -1098,14 +1097,12 @@ void bitmap_daemon_work(struct bitmap *bitmap)
}
bitmap->allclean = 1;
+ spin_lock_irqsave(&bitmap->lock, flags);
for (j = 0; j < bitmap->chunks; j++) {
bitmap_counter_t *bmc;
- spin_lock_irqsave(&bitmap->lock, flags);
- if (!bitmap->filemap) {
+ if (!bitmap->filemap)
/* error or shutdown */
- spin_unlock_irqrestore(&bitmap->lock, flags);
break;
- }
page = filemap_get_page(bitmap, j);
@@ -1122,6 +1119,8 @@ void bitmap_daemon_work(struct bitmap *bitmap)
write_page(bitmap, page, 0);
bitmap->allclean = 0;
}
+ spin_lock_irqsave(&bitmap->lock, flags);
+ j |= (PAGE_BITS - 1);
continue;
}
@@ -1154,8 +1153,9 @@ void bitmap_daemon_work(struct bitmap *bitmap)
spin_lock_irqsave(&bitmap->lock, flags);
clear_page_attr(bitmap, page, BITMAP_PAGE_CLEAN);
}
- bmc = bitmap_get_counter(bitmap, j << CHUNK_BLOCK_SHIFT(bitmap),
- &blocks, 0);
+ bmc = bitmap_get_counter(bitmap,
+ (sector_t)j << CHUNK_BLOCK_SHIFT(bitmap),
+ &blocks, 0);
if (bmc) {
/*
if (j < 100) printk("bitmap: j=%lu, *bmc = 0x%x\n", j, *bmc);
@@ -1169,7 +1169,8 @@ void bitmap_daemon_work(struct bitmap *bitmap)
} else if (*bmc == 1) {
/* we can clear the bit */
*bmc = 0;
- bitmap_count_page(bitmap, j << CHUNK_BLOCK_SHIFT(bitmap),
+ bitmap_count_page(bitmap,
+ (sector_t)j << CHUNK_BLOCK_SHIFT(bitmap),
-1);
/* clear the bit */
@@ -1180,9 +1181,10 @@ void bitmap_daemon_work(struct bitmap *bitmap)
ext2_clear_bit(file_page_offset(j), paddr);
kunmap_atomic(paddr, KM_USER0);
}
- }
- spin_unlock_irqrestore(&bitmap->lock, flags);
+ } else
+ j |= PAGE_COUNTER_MASK;
}
+ spin_unlock_irqrestore(&bitmap->lock, flags);
/* now sync the final page */
if (lastpage != NULL) {
@@ -1514,7 +1516,7 @@ void bitmap_dirty_bits(struct bitmap *bitmap, unsigned long s, unsigned long e)
unsigned long chunk;
for (chunk = s; chunk <= e; chunk++) {
- sector_t sec = chunk << CHUNK_BLOCK_SHIFT(bitmap);
+ sector_t sec = (sector_t)chunk << CHUNK_BLOCK_SHIFT(bitmap);
bitmap_set_memory_bits(bitmap, sec, 1);
bitmap_file_set_bit(bitmap, sec);
}
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 612343fdde94..641b211fe3fe 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1375,6 +1375,9 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev)
sb->raid_disks = cpu_to_le32(mddev->raid_disks);
sb->size = cpu_to_le64(mddev->dev_sectors);
+ sb->chunksize = cpu_to_le32(mddev->chunk_size >> 9);
+ sb->level = cpu_to_le32(mddev->level);
+ sb->layout = cpu_to_le32(mddev->layout);
if (mddev->bitmap && mddev->bitmap_file == NULL) {
sb->bitmap_offset = cpu_to_le32((__u32)mddev->bitmap_offset);
@@ -3066,11 +3069,8 @@ array_state_store(mddev_t *mddev, const char *buf, size_t len)
} else
err = -EBUSY;
spin_unlock_irq(&mddev->write_lock);
- } else {
- mddev->ro = 0;
- mddev->recovery_cp = MaxSector;
- err = do_md_run(mddev);
- }
+ } else
+ err = -EINVAL;
break;
case active:
if (mddev->pers) {
@@ -3306,7 +3306,9 @@ static ssize_t
action_show(mddev_t *mddev, char *page)
{
char *type = "idle";
- if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) ||
+ if (test_bit(MD_RECOVERY_FROZEN, &mddev->recovery))
+ type = "frozen";
+ else if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) ||
(!mddev->ro && test_bit(MD_RECOVERY_NEEDED, &mddev->recovery))) {
if (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery))
type = "reshape";
@@ -3329,7 +3331,12 @@ action_store(mddev_t *mddev, const char *page, size_t len)
if (!mddev->pers || !mddev->pers->sync_request)
return -EINVAL;
- if (cmd_match(page, "idle")) {
+ if (cmd_match(page, "frozen"))
+ set_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
+ else
+ clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
+
+ if (cmd_match(page, "idle") || cmd_match(page, "frozen")) {
if (mddev->sync_thread) {
set_bit(MD_RECOVERY_INTR, &mddev->recovery);
md_unregister_thread(mddev->sync_thread);
@@ -3683,7 +3690,7 @@ array_size_store(mddev_t *mddev, const char *buf, size_t len)
if (strict_blocks_to_sectors(buf, &sectors) < 0)
return -EINVAL;
if (mddev->pers && mddev->pers->size(mddev, 0, 0) < sectors)
- return -EINVAL;
+ return -E2BIG;
mddev->external_size = 1;
}
@@ -4297,6 +4304,7 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
{
int err = 0;
struct gendisk *disk = mddev->gendisk;
+ mdk_rdev_t *rdev;
if (atomic_read(&mddev->openers) > is_open) {
printk("md: %s still in use.\n",mdname(mddev));
@@ -4339,6 +4347,13 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
/* tell userspace to handle 'inactive' */
sysfs_notify_dirent(mddev->sysfs_state);
+ list_for_each_entry(rdev, &mddev->disks, same_set)
+ if (rdev->raid_disk >= 0) {
+ char nm[20];
+ sprintf(nm, "rd%d", rdev->raid_disk);
+ sysfs_remove_link(&mddev->kobj, nm);
+ }
+
set_capacity(disk, 0);
mddev->changed = 1;
@@ -4359,7 +4374,6 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
* Free resources if final stop
*/
if (mode == 0) {
- mdk_rdev_t *rdev;
printk(KERN_INFO "md: %s stopped.\n", mdname(mddev));
@@ -4371,13 +4385,6 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
}
mddev->bitmap_offset = 0;
- list_for_each_entry(rdev, &mddev->disks, same_set)
- if (rdev->raid_disk >= 0) {
- char nm[20];
- sprintf(nm, "rd%d", rdev->raid_disk);
- sysfs_remove_link(&mddev->kobj, nm);
- }
-
/* make sure all md_delayed_delete calls have finished */
flush_scheduled_work();
@@ -5560,7 +5567,7 @@ static struct block_device_operations md_fops =
.owner = THIS_MODULE,
.open = md_open,
.release = md_release,
- .locked_ioctl = md_ioctl,
+ .ioctl = md_ioctl,
.getgeo = md_getgeo,
.media_changed = md_media_changed,
.revalidate_disk= md_revalidate,
@@ -5705,37 +5712,38 @@ static void status_unused(struct seq_file *seq)
static void status_resync(struct seq_file *seq, mddev_t * mddev)
{
- sector_t max_blocks, resync, res;
- unsigned long dt, db, rt;
+ sector_t max_sectors, resync, res;
+ unsigned long dt, db;
+ sector_t rt;
int scale;
unsigned int per_milli;
- resync = (mddev->curr_resync - atomic_read(&mddev->recovery_active))/2;
+ resync = mddev->curr_resync - atomic_read(&mddev->recovery_active);
if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery))
- max_blocks = mddev->resync_max_sectors >> 1;
+ max_sectors = mddev->resync_max_sectors;
else
- max_blocks = mddev->dev_sectors / 2;
+ max_sectors = mddev->dev_sectors;
/*
* Should not happen.
*/
- if (!max_blocks) {
+ if (!max_sectors) {
MD_BUG();
return;
}
/* Pick 'scale' such that (resync>>scale)*1000 will fit
- * in a sector_t, and (max_blocks>>scale) will fit in a
+ * in a sector_t, and (max_sectors>>scale) will fit in a
* u32, as those are the requirements for sector_div.
* Thus 'scale' must be at least 10
*/
scale = 10;
if (sizeof(sector_t) > sizeof(unsigned long)) {
- while ( max_blocks/2 > (1ULL<<(scale+32)))
+ while ( max_sectors/2 > (1ULL<<(scale+32)))
scale++;
}
res = (resync>>scale)*1000;
- sector_div(res, (u32)((max_blocks>>scale)+1));
+ sector_div(res, (u32)((max_sectors>>scale)+1));
per_milli = res;
{
@@ -5756,25 +5764,35 @@ static void status_resync(struct seq_file *seq, mddev_t * mddev)
(test_bit(MD_RECOVERY_SYNC, &mddev->recovery) ?
"resync" : "recovery"))),
per_milli/10, per_milli % 10,
- (unsigned long long) resync,
- (unsigned long long) max_blocks);
+ (unsigned long long) resync/2,
+ (unsigned long long) max_sectors/2);
/*
- * We do not want to overflow, so the order of operands and
- * the * 100 / 100 trick are important. We do a +1 to be
- * safe against division by zero. We only estimate anyway.
- *
* dt: time from mark until now
* db: blocks written from mark until now
* rt: remaining time
+ *
+ * rt is a sector_t, so could be 32bit or 64bit.
+ * So we divide before multiply in case it is 32bit and close
+ * to the limit.
+ * We scale the divisor (db) by 32 to avoid loosing precision
+ * near the end of resync when the number of remaining sectors
+ * is close to 'db'.
+ * We then divide rt by 32 after multiplying by db to compensate.
+ * The '+1' avoids division by zero if db is very small.
*/
dt = ((jiffies - mddev->resync_mark) / HZ);
if (!dt) dt++;
db = (mddev->curr_mark_cnt - atomic_read(&mddev->recovery_active))
- mddev->resync_mark_cnt;
- rt = (dt * ((unsigned long)(max_blocks-resync) / (db/2/100+1)))/100;
- seq_printf(seq, " finish=%lu.%lumin", rt / 60, (rt % 60)/6);
+ rt = max_sectors - resync; /* number of remaining sectors */
+ sector_div(rt, db/32+1);
+ rt *= dt;
+ rt >>= 5;
+
+ seq_printf(seq, " finish=%lu.%lumin", (unsigned long)rt / 60,
+ ((unsigned long)rt % 60)/6);
seq_printf(seq, " speed=%ldK/sec", db/2/dt);
}
@@ -5965,7 +5983,7 @@ static int md_seq_show(struct seq_file *seq, void *v)
return 0;
}
-static struct seq_operations md_seq_ops = {
+static const struct seq_operations md_seq_ops = {
.start = md_seq_start,
.next = md_seq_next,
.stop = md_seq_stop,
@@ -6344,12 +6362,13 @@ void md_do_sync(mddev_t *mddev)
skipped = 0;
- if ((mddev->curr_resync > mddev->curr_resync_completed &&
- (mddev->curr_resync - mddev->curr_resync_completed)
- > (max_sectors >> 4)) ||
- (j - mddev->curr_resync_completed)*2
- >= mddev->resync_max - mddev->curr_resync_completed
- ) {
+ if (!test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) &&
+ ((mddev->curr_resync > mddev->curr_resync_completed &&
+ (mddev->curr_resync - mddev->curr_resync_completed)
+ > (max_sectors >> 4)) ||
+ (j - mddev->curr_resync_completed)*2
+ >= mddev->resync_max - mddev->curr_resync_completed
+ )) {
/* time to update curr_resync_completed */
blk_unplug(mddev->queue);
wait_event(mddev->recovery_wait,
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 81a54f17417e..499620afb44b 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1809,17 +1809,17 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
r10_bio->sector = sect;
raid10_find_phys(conf, r10_bio);
- /* Need to check if this section will still be
+
+ /* Need to check if the array will still be
* degraded
*/
- for (j=0; j<conf->copies;j++) {
- int d = r10_bio->devs[j].devnum;
- if (conf->mirrors[d].rdev == NULL ||
- test_bit(Faulty, &conf->mirrors[d].rdev->flags)) {
+ for (j=0; j<conf->raid_disks; j++)
+ if (conf->mirrors[j].rdev == NULL ||
+ test_bit(Faulty, &conf->mirrors[j].rdev->flags)) {
still_degraded = 1;
break;
}
- }
+
must_sync = bitmap_start_sync(mddev->bitmap, sect,
&sync_blocks, still_degraded);
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 4616bc3a6e71..bb37fb1b2d82 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -362,7 +362,7 @@ static void raid5_unplug_device(struct request_queue *q);
static struct stripe_head *
get_active_stripe(raid5_conf_t *conf, sector_t sector,
- int previous, int noblock)
+ int previous, int noblock, int noquiesce)
{
struct stripe_head *sh;
@@ -372,7 +372,7 @@ get_active_stripe(raid5_conf_t *conf, sector_t sector,
do {
wait_event_lock_irq(conf->wait_for_stripe,
- conf->quiesce == 0,
+ conf->quiesce == 0 || noquiesce,
conf->device_lock, /* nothing */);
sh = __find_stripe(conf, sector, conf->generation - previous);
if (!sh) {
@@ -2671,7 +2671,7 @@ static void handle_stripe_expansion(raid5_conf_t *conf, struct stripe_head *sh,
sector_t bn = compute_blocknr(sh, i, 1);
sector_t s = raid5_compute_sector(conf, bn, 0,
&dd_idx, NULL);
- sh2 = get_active_stripe(conf, s, 0, 1);
+ sh2 = get_active_stripe(conf, s, 0, 1, 1);
if (sh2 == NULL)
/* so far only the early blocks of this stripe
* have been requested. When later blocks
@@ -2944,7 +2944,7 @@ static bool handle_stripe5(struct stripe_head *sh)
/* Finish reconstruct operations initiated by the expansion process */
if (sh->reconstruct_state == reconstruct_state_result) {
struct stripe_head *sh2
- = get_active_stripe(conf, sh->sector, 1, 1);
+ = get_active_stripe(conf, sh->sector, 1, 1, 1);
if (sh2 && test_bit(STRIPE_EXPAND_SOURCE, &sh2->state)) {
/* sh cannot be written until sh2 has been read.
* so arrange for sh to be delayed a little
@@ -3189,7 +3189,7 @@ static bool handle_stripe6(struct stripe_head *sh, struct page *tmp_page)
if (s.expanded && test_bit(STRIPE_EXPANDING, &sh->state)) {
struct stripe_head *sh2
- = get_active_stripe(conf, sh->sector, 1, 1);
+ = get_active_stripe(conf, sh->sector, 1, 1, 1);
if (sh2 && test_bit(STRIPE_EXPAND_SOURCE, &sh2->state)) {
/* sh cannot be written until sh2 has been read.
* so arrange for sh to be delayed a little
@@ -3288,7 +3288,7 @@ static void unplug_slaves(mddev_t *mddev)
int i;
rcu_read_lock();
- for (i=0; i<mddev->raid_disks; i++) {
+ for (i = 0; i < conf->raid_disks; i++) {
mdk_rdev_t *rdev = rcu_dereference(conf->disks[i].rdev);
if (rdev && !test_bit(Faulty, &rdev->flags) && atomic_read(&rdev->nr_pending)) {
struct request_queue *r_queue = bdev_get_queue(rdev->bdev);
@@ -3675,7 +3675,7 @@ static int make_request(struct request_queue *q, struct bio * bi)
(unsigned long long)logical_sector);
sh = get_active_stripe(conf, new_sector, previous,
- (bi->bi_rw&RWA_MASK));
+ (bi->bi_rw&RWA_MASK), 0);
if (sh) {
if (unlikely(previous)) {
/* expansion might have moved on while waiting for a
@@ -3811,13 +3811,13 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
safepos = conf->reshape_safe;
sector_div(safepos, data_disks);
if (mddev->delta_disks < 0) {
- writepos -= reshape_sectors;
+ writepos -= min_t(sector_t, reshape_sectors, writepos);
readpos += reshape_sectors;
safepos += reshape_sectors;
} else {
writepos += reshape_sectors;
- readpos -= reshape_sectors;
- safepos -= reshape_sectors;
+ readpos -= min_t(sector_t, reshape_sectors, readpos);
+ safepos -= min_t(sector_t, reshape_sectors, safepos);
}
/* 'writepos' is the most advanced device address we might write.
@@ -3873,7 +3873,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
for (i = 0; i < reshape_sectors; i += STRIPE_SECTORS) {
int j;
int skipped = 0;
- sh = get_active_stripe(conf, stripe_addr+i, 0, 0);
+ sh = get_active_stripe(conf, stripe_addr+i, 0, 0, 1);
set_bit(STRIPE_EXPANDING, &sh->state);
atomic_inc(&conf->reshape_stripes);
/* If any of this stripe is beyond the end of the old
@@ -3916,13 +3916,13 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
raid5_compute_sector(conf, stripe_addr*(new_data_disks),
1, &dd_idx, NULL);
last_sector =
- raid5_compute_sector(conf, ((stripe_addr+conf->chunk_size/512)
+ raid5_compute_sector(conf, ((stripe_addr+reshape_sectors)
*(new_data_disks) - 1),
1, &dd_idx, NULL);
if (last_sector >= mddev->dev_sectors)
last_sector = mddev->dev_sectors - 1;
while (first_sector <= last_sector) {
- sh = get_active_stripe(conf, first_sector, 1, 0);
+ sh = get_active_stripe(conf, first_sector, 1, 0, 1);
set_bit(STRIPE_EXPAND_SOURCE, &sh->state);
set_bit(STRIPE_HANDLE, &sh->state);
release_stripe(sh);
@@ -4022,9 +4022,9 @@ static inline sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *ski
bitmap_cond_end_sync(mddev->bitmap, sector_nr);
- sh = get_active_stripe(conf, sector_nr, 0, 1);
+ sh = get_active_stripe(conf, sector_nr, 0, 1, 0);
if (sh == NULL) {
- sh = get_active_stripe(conf, sector_nr, 0, 0);
+ sh = get_active_stripe(conf, sector_nr, 0, 0, 0);
/* make sure we don't swamp the stripe cache if someone else
* is trying to get access
*/
@@ -4034,7 +4034,7 @@ static inline sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *ski
* We don't need to check the 'failed' flag as when that gets set,
* recovery aborts.
*/
- for (i=0; i<mddev->raid_disks; i++)
+ for (i = 0; i < conf->raid_disks; i++)
if (conf->disks[i].rdev == NULL)
still_degraded = 1;
@@ -4086,7 +4086,7 @@ static int retry_aligned_read(raid5_conf_t *conf, struct bio *raid_bio)
/* already done this stripe */
continue;
- sh = get_active_stripe(conf, sector, 0, 1);
+ sh = get_active_stripe(conf, sector, 0, 1, 0);
if (!sh) {
/* failed to get a stripe - must wait */
diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c
index 1dba8f0832a0..5cf6c45b91fe 100644
--- a/drivers/media/radio/radio-sf16fmi.c
+++ b/drivers/media/radio/radio-sf16fmi.c
@@ -153,7 +153,7 @@ static int vidioc_g_tuner(struct file *file, void *priv,
mult = (fmi->flags & V4L2_TUNER_CAP_LOW) ? 1 : 1000;
v->rangelow = RSF16_MINFREQ / mult;
v->rangehigh = RSF16_MAXFREQ / mult;
- v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_MODE_STEREO;
+ v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
v->capability = fmi->flags & V4L2_TUNER_CAP_LOW;
v->audmode = V4L2_TUNER_MODE_STEREO;
v->signal = fmi_getsigstr(fmi);
diff --git a/drivers/media/radio/radio-sf16fmr2.c b/drivers/media/radio/radio-sf16fmr2.c
index c09ca8600ea1..935ff9bcdfcc 100644
--- a/drivers/media/radio/radio-sf16fmr2.c
+++ b/drivers/media/radio/radio-sf16fmr2.c
@@ -233,7 +233,7 @@ static int vidioc_g_tuner(struct file *file, void *priv,
mult = (fmr2->flags & V4L2_TUNER_CAP_LOW) ? 1 : 1000;
v->rangelow = RSF16_MINFREQ / mult;
v->rangehigh = RSF16_MAXFREQ / mult;
- v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_MODE_STEREO;
+ v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
v->capability = fmr2->flags&V4L2_TUNER_CAP_LOW;
v->audmode = fmr2->stereo ? V4L2_TUNER_MODE_STEREO:
V4L2_TUNER_MODE_MONO;
diff --git a/drivers/media/video/cafe_ccic.c b/drivers/media/video/cafe_ccic.c
index 5f582726985d..c4d181dde1ca 100644
--- a/drivers/media/video/cafe_ccic.c
+++ b/drivers/media/video/cafe_ccic.c
@@ -774,6 +774,7 @@ static int cafe_cam_init(struct cafe_camera *cam)
ret = __cafe_cam_reset(cam);
if (ret)
goto out;
+ chip.ident = V4L2_IDENT_NONE;
chip.match.type = V4L2_CHIP_MATCH_I2C_ADDR;
chip.match.addr = cam->sensor_addr;
ret = sensor_call(cam, core, g_chip_ident, &chip);
diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
index 0c49a98213c4..1dc070da8652 100644
--- a/drivers/media/video/cx23885/cx23885-dvb.c
+++ b/drivers/media/video/cx23885/cx23885-dvb.c
@@ -472,7 +472,7 @@ static int dvb_register(struct cx23885_tsport *port)
static struct xc2028_ctrl ctl = {
.fname = XC2028_DEFAULT_FIRMWARE,
.max_len = 64,
- .scode_table = XC3028_FE_OREN538,
+ .demod = XC3028_FE_OREN538,
};
fe = dvb_attach(xc2028_attach,
diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c
index b0195e8ee4d1..db2ac9a99acd 100644
--- a/drivers/media/video/ivtv/ivtv-driver.c
+++ b/drivers/media/video/ivtv/ivtv-driver.c
@@ -305,14 +305,17 @@ int ivtv_waitq(wait_queue_head_t *waitq)
/* Generic utility functions */
int ivtv_msleep_timeout(unsigned int msecs, int intr)
{
- int ret;
int timeout = msecs_to_jiffies(msecs);
do {
set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
timeout = schedule_timeout(timeout);
- if (intr && (ret = signal_pending(current)))
- return ret;
+ if (intr) {
+ int ret = signal_pending(current);
+
+ if (ret)
+ return ret;
+ }
} while (timeout);
return 0;
}
diff --git a/drivers/media/video/ivtv/ivtv-gpio.c b/drivers/media/video/ivtv/ivtv-gpio.c
index ceb05bdcaf62..85ac707228e7 100644
--- a/drivers/media/video/ivtv/ivtv-gpio.c
+++ b/drivers/media/video/ivtv/ivtv-gpio.c
@@ -190,8 +190,8 @@ static int subdev_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
mask = itv->card->gpio_audio_detect.mask;
if (mask == 0 || (read_reg(IVTV_REG_GPIO_IN) & mask))
- vt->rxsubchans = V4L2_TUNER_MODE_STEREO |
- V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
+ vt->rxsubchans = V4L2_TUNER_SUB_STEREO |
+ V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
else
vt->rxsubchans = V4L2_TUNER_SUB_MONO;
return 0;
diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c
index 4a2d464f055e..c342a9fe983e 100644
--- a/drivers/media/video/ivtv/ivtv-ioctl.c
+++ b/drivers/media/video/ivtv/ivtv-ioctl.c
@@ -180,7 +180,7 @@ int ivtv_set_speed(struct ivtv *itv, int speed)
/* Wait for any DMA to finish */
prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);
- while (itv->i_flags & IVTV_F_I_DMA) {
+ while (test_bit(IVTV_F_I_DMA, &itv->i_flags)) {
got_sig = signal_pending(current);
if (got_sig)
break;
@@ -1710,7 +1710,8 @@ static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
we are waiting unlock first and later lock again. */
mutex_unlock(&itv->serialize_lock);
prepare_to_wait(&itv->event_waitq, &wait, TASK_INTERRUPTIBLE);
- if ((itv->i_flags & (IVTV_F_I_EV_DEC_STOPPED|IVTV_F_I_EV_VSYNC)) == 0)
+ if (!test_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags) &&
+ !test_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags))
schedule();
finish_wait(&itv->event_waitq, &wait);
mutex_lock(&itv->serialize_lock);
diff --git a/drivers/media/video/ivtv/ivtv-irq.c b/drivers/media/video/ivtv/ivtv-irq.c
index 01c14d2b381a..cd9db0bf33bf 100644
--- a/drivers/media/video/ivtv/ivtv-irq.c
+++ b/drivers/media/video/ivtv/ivtv-irq.c
@@ -196,7 +196,7 @@ static int stream_enc_dma_append(struct ivtv_stream *s, u32 data[CX2341X_MBOX_MA
bytes_needed, s->name);
return -1;
}
- if (rc && !s->buffers_stolen && (s->s_flags & IVTV_F_S_APPL_IO)) {
+ if (rc && !s->buffers_stolen && test_bit(IVTV_F_S_APPL_IO, &s->s_flags)) {
IVTV_WARN("All %s stream buffers are full. Dropping data.\n", s->name);
IVTV_WARN("Cause: the application is not reading fast enough.\n");
}
diff --git a/drivers/media/video/ivtv/ivtv-queue.c b/drivers/media/video/ivtv/ivtv-queue.c
index ff7b7deded4f..7fde36e6d227 100644
--- a/drivers/media/video/ivtv/ivtv-queue.c
+++ b/drivers/media/video/ivtv/ivtv-queue.c
@@ -230,7 +230,8 @@ int ivtv_stream_alloc(struct ivtv_stream *s)
return -ENOMEM;
}
if (ivtv_might_use_dma(s)) {
- s->sg_handle = pci_map_single(itv->pdev, s->sg_dma, sizeof(struct ivtv_sg_element), s->dma);
+ s->sg_handle = pci_map_single(itv->pdev, s->sg_dma,
+ sizeof(struct ivtv_sg_element), PCI_DMA_TODEVICE);
ivtv_stream_sync_for_cpu(s);
}
diff --git a/drivers/media/video/ivtv/ivtv-yuv.c b/drivers/media/video/ivtv/ivtv-yuv.c
index 7912ed6b72ee..c0875378acc2 100644
--- a/drivers/media/video/ivtv/ivtv-yuv.c
+++ b/drivers/media/video/ivtv/ivtv-yuv.c
@@ -1063,7 +1063,8 @@ static int ivtv_yuv_udma_frame(struct ivtv *itv, struct ivtv_dma_frame *args)
prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);
/* if no UDMA is pending and no UDMA is in progress, then the DMA
is finished */
- while (itv->i_flags & (IVTV_F_I_UDMA_PENDING | IVTV_F_I_UDMA)) {
+ while (test_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags) ||
+ test_bit(IVTV_F_I_UDMA, &itv->i_flags)) {
/* don't interrupt if the DMA is in progress but break off
a still pending DMA. */
got_sig = signal_pending(current);
diff --git a/drivers/media/video/ivtv/ivtvfb.c b/drivers/media/video/ivtv/ivtvfb.c
index 66e6eb513076..fa6bb85cb4b0 100644
--- a/drivers/media/video/ivtv/ivtvfb.c
+++ b/drivers/media/video/ivtv/ivtvfb.c
@@ -298,7 +298,8 @@ static int ivtvfb_prep_dec_dma_to_device(struct ivtv *itv,
prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);
/* if no UDMA is pending and no UDMA is in progress, then the DMA
is finished */
- while (itv->i_flags & (IVTV_F_I_UDMA_PENDING | IVTV_F_I_UDMA)) {
+ while (test_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags) ||
+ test_bit(IVTV_F_I_UDMA, &itv->i_flags)) {
/* don't interrupt if the DMA is in progress but break off
a still pending DMA. */
got_sig = signal_pending(current);
diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c
index 399412d7f020..507dc85646b2 100644
--- a/drivers/media/video/uvc/uvc_driver.c
+++ b/drivers/media/video/uvc/uvc_driver.c
@@ -1726,14 +1726,17 @@ static int uvc_suspend(struct usb_interface *intf, pm_message_t message)
static int __uvc_resume(struct usb_interface *intf, int reset)
{
struct uvc_device *dev = usb_get_intfdata(intf);
- int ret;
uvc_trace(UVC_TRACE_SUSPEND, "Resuming interface %u\n",
intf->cur_altsetting->desc.bInterfaceNumber);
if (intf->cur_altsetting->desc.bInterfaceSubClass == SC_VIDEOCONTROL) {
- if (reset && (ret = uvc_ctrl_resume_device(dev)) < 0)
- return ret;
+ if (reset) {
+ int ret = uvc_ctrl_resume_device(dev);
+
+ if (ret < 0)
+ return ret;
+ }
return uvc_status_resume(dev);
}
diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c
index a95e17329c5b..6ce974d7362f 100644
--- a/drivers/media/video/uvc/uvc_video.c
+++ b/drivers/media/video/uvc/uvc_video.c
@@ -742,7 +742,7 @@ static int uvc_alloc_urb_buffers(struct uvc_video_device *video,
/* Buffers are already allocated, bail out. */
if (video->urb_size)
- return 0;
+ return video->urb_size / psize;
/* Compute the number of packets. Bulk endpoints might transfer UVC
* payloads accross multiple URBs.
diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c
index 88f10d6cbc92..be64a502ea27 100644
--- a/drivers/media/video/v4l2-ioctl.c
+++ b/drivers/media/video/v4l2-ioctl.c
@@ -42,6 +42,12 @@
printk(KERN_DEBUG "%s: " fmt, vfd->name, ## arg);\
} while (0)
+/* Zero out the end of the struct pointed to by p. Everthing after, but
+ * not including, the specified field is cleared. */
+#define CLEAR_AFTER_FIELD(p, field) \
+ memset((u8 *)(p) + offsetof(typeof(*(p)), field) + sizeof((p)->field), \
+ 0, sizeof(*(p)) - offsetof(typeof(*(p)), field) - sizeof((p)->field))
+
struct std_descr {
v4l2_std_id std;
const char *descr;
@@ -544,39 +550,39 @@ static int check_fmt(const struct v4l2_ioctl_ops *ops, enum v4l2_buf_type type)
switch (type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- if (ops->vidioc_try_fmt_vid_cap)
+ if (ops->vidioc_g_fmt_vid_cap)
return 0;
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
- if (ops->vidioc_try_fmt_vid_overlay)
+ if (ops->vidioc_g_fmt_vid_overlay)
return 0;
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
- if (ops->vidioc_try_fmt_vid_out)
+ if (ops->vidioc_g_fmt_vid_out)
return 0;
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
- if (ops->vidioc_try_fmt_vid_out_overlay)
+ if (ops->vidioc_g_fmt_vid_out_overlay)
return 0;
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
- if (ops->vidioc_try_fmt_vbi_cap)
+ if (ops->vidioc_g_fmt_vbi_cap)
return 0;
break;
case V4L2_BUF_TYPE_VBI_OUTPUT:
- if (ops->vidioc_try_fmt_vbi_out)
+ if (ops->vidioc_g_fmt_vbi_out)
return 0;
break;
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
- if (ops->vidioc_try_fmt_sliced_vbi_cap)
+ if (ops->vidioc_g_fmt_sliced_vbi_cap)
return 0;
break;
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
- if (ops->vidioc_try_fmt_sliced_vbi_out)
+ if (ops->vidioc_g_fmt_sliced_vbi_out)
return 0;
break;
case V4L2_BUF_TYPE_PRIVATE:
- if (ops->vidioc_try_fmt_type_private)
+ if (ops->vidioc_g_fmt_type_private)
return 0;
break;
}
@@ -782,44 +788,53 @@ static long __video_do_ioctl(struct file *file,
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ CLEAR_AFTER_FIELD(f, fmt.pix);
v4l_print_pix_fmt(vfd, &f->fmt.pix);
if (ops->vidioc_s_fmt_vid_cap)
ret = ops->vidioc_s_fmt_vid_cap(file, fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ CLEAR_AFTER_FIELD(f, fmt.win);
if (ops->vidioc_s_fmt_vid_overlay)
ret = ops->vidioc_s_fmt_vid_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
+ CLEAR_AFTER_FIELD(f, fmt.pix);
v4l_print_pix_fmt(vfd, &f->fmt.pix);
if (ops->vidioc_s_fmt_vid_out)
ret = ops->vidioc_s_fmt_vid_out(file, fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
+ CLEAR_AFTER_FIELD(f, fmt.win);
if (ops->vidioc_s_fmt_vid_out_overlay)
ret = ops->vidioc_s_fmt_vid_out_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
+ CLEAR_AFTER_FIELD(f, fmt.vbi);
if (ops->vidioc_s_fmt_vbi_cap)
ret = ops->vidioc_s_fmt_vbi_cap(file, fh, f);
break;
case V4L2_BUF_TYPE_VBI_OUTPUT:
+ CLEAR_AFTER_FIELD(f, fmt.vbi);
if (ops->vidioc_s_fmt_vbi_out)
ret = ops->vidioc_s_fmt_vbi_out(file, fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
+ CLEAR_AFTER_FIELD(f, fmt.sliced);
if (ops->vidioc_s_fmt_sliced_vbi_cap)
ret = ops->vidioc_s_fmt_sliced_vbi_cap(file,
fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
+ CLEAR_AFTER_FIELD(f, fmt.sliced);
if (ops->vidioc_s_fmt_sliced_vbi_out)
ret = ops->vidioc_s_fmt_sliced_vbi_out(file,
fh, f);
break;
case V4L2_BUF_TYPE_PRIVATE:
+ /* CLEAR_AFTER_FIELD(f, fmt.raw_data); <- does nothing */
if (ops->vidioc_s_fmt_type_private)
ret = ops->vidioc_s_fmt_type_private(file,
fh, f);
@@ -836,46 +851,55 @@ static long __video_do_ioctl(struct file *file,
v4l2_type_names));
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ CLEAR_AFTER_FIELD(f, fmt.pix);
if (ops->vidioc_try_fmt_vid_cap)
ret = ops->vidioc_try_fmt_vid_cap(file, fh, f);
if (!ret)
v4l_print_pix_fmt(vfd, &f->fmt.pix);
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ CLEAR_AFTER_FIELD(f, fmt.win);
if (ops->vidioc_try_fmt_vid_overlay)
ret = ops->vidioc_try_fmt_vid_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
+ CLEAR_AFTER_FIELD(f, fmt.pix);
if (ops->vidioc_try_fmt_vid_out)
ret = ops->vidioc_try_fmt_vid_out(file, fh, f);
if (!ret)
v4l_print_pix_fmt(vfd, &f->fmt.pix);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
+ CLEAR_AFTER_FIELD(f, fmt.win);
if (ops->vidioc_try_fmt_vid_out_overlay)
ret = ops->vidioc_try_fmt_vid_out_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
+ CLEAR_AFTER_FIELD(f, fmt.vbi);
if (ops->vidioc_try_fmt_vbi_cap)
ret = ops->vidioc_try_fmt_vbi_cap(file, fh, f);
break;
case V4L2_BUF_TYPE_VBI_OUTPUT:
+ CLEAR_AFTER_FIELD(f, fmt.vbi);
if (ops->vidioc_try_fmt_vbi_out)
ret = ops->vidioc_try_fmt_vbi_out(file, fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
+ CLEAR_AFTER_FIELD(f, fmt.sliced);
if (ops->vidioc_try_fmt_sliced_vbi_cap)
ret = ops->vidioc_try_fmt_sliced_vbi_cap(file,
fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
+ CLEAR_AFTER_FIELD(f, fmt.sliced);
if (ops->vidioc_try_fmt_sliced_vbi_out)
ret = ops->vidioc_try_fmt_sliced_vbi_out(file,
fh, f);
break;
case V4L2_BUF_TYPE_PRIVATE:
+ /* CLEAR_AFTER_FIELD(f, fmt.raw_data); <- does nothing */
if (ops->vidioc_try_fmt_type_private)
ret = ops->vidioc_try_fmt_type_private(file,
fh, f);
@@ -898,6 +922,9 @@ static long __video_do_ioctl(struct file *file,
if (ret)
break;
+ if (p->type < V4L2_BUF_TYPE_PRIVATE)
+ CLEAR_AFTER_FIELD(p, memory);
+
ret = ops->vidioc_reqbufs(file, fh, p);
dbgarg(cmd, "count=%d, type=%s, memory=%s\n",
p->count,
diff --git a/drivers/media/video/zoran/zoran_driver.c b/drivers/media/video/zoran/zoran_driver.c
index 092333b1c34f..643cccaa1aab 100644
--- a/drivers/media/video/zoran/zoran_driver.c
+++ b/drivers/media/video/zoran/zoran_driver.c
@@ -1863,22 +1863,20 @@ static int zoran_querycap(struct file *file, void *__fh, struct v4l2_capability
static int zoran_enum_fmt(struct zoran *zr, struct v4l2_fmtdesc *fmt, int flag)
{
- int num = -1, i;
-
- for (i = 0; i < NUM_FORMATS; i++) {
- if (zoran_formats[i].flags & flag)
- num++;
- if (num == fmt->index)
- break;
+ unsigned int num, i;
+
+ for (num = i = 0; i < NUM_FORMATS; i++) {
+ if (zoran_formats[i].flags & flag && num++ == fmt->index) {
+ strncpy(fmt->description, zoran_formats[i].name,
+ sizeof(fmt->description) - 1);
+ /* fmt struct pre-zeroed, so adding '\0' not neeed */
+ fmt->pixelformat = zoran_formats[i].fourcc;
+ if (zoran_formats[i].flags & ZORAN_FORMAT_COMPRESSED)
+ fmt->flags |= V4L2_FMT_FLAG_COMPRESSED;
+ return 0;
+ }
}
- if (fmt->index < 0 /* late, but not too late */ || i == NUM_FORMATS)
- return -EINVAL;
-
- strncpy(fmt->description, zoran_formats[i].name, sizeof(fmt->description)-1);
- fmt->pixelformat = zoran_formats[i].fourcc;
- if (zoran_formats[i].flags & ZORAN_FORMAT_COMPRESSED)
- fmt->flags |= V4L2_FMT_FLAG_COMPRESSED;
- return 0;
+ return -EINVAL;
}
static int zoran_enum_fmt_vid_cap(struct file *file, void *__fh,
diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 7793932a513b..11a6248cc1c1 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -443,7 +443,7 @@ static irqreturn_t pcf50633_irq(int irq, void *data)
dev_dbg(pcf->dev, "pcf50633_irq\n");
get_device(pcf->dev);
- disable_irq(pcf->irq);
+ disable_irq_nosync(pcf->irq);
schedule_work(&pcf->irq_work);
return IRQ_HANDLED;
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index c2be3088e2e1..fe24079387c5 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -79,10 +79,6 @@ static int wm8350_phys_read(struct wm8350 *wm8350, u8 reg, int num_regs,
/* Cache is CPU endian */
dest[i - reg] = be16_to_cpu(dest[i - reg]);
- /* Satisfy non-volatile bits from cache */
- dest[i - reg] &= wm8350_reg_io_map[i].vol;
- dest[i - reg] |= wm8350->reg_cache[i];
-
/* Mask out non-readable bits */
dest[i - reg] &= wm8350_reg_io_map[i].readable;
}
@@ -182,9 +178,6 @@ static int wm8350_write(struct wm8350 *wm8350, u8 reg, int num_regs, u16 *src)
(wm8350->reg_cache[i] & ~wm8350_reg_io_map[i].writable)
| src[i - reg];
- /* Don't store volatile bits */
- wm8350->reg_cache[i] &= ~wm8350_reg_io_map[i].vol;
-
src[i - reg] = cpu_to_be16(src[i - reg]);
}
@@ -1261,7 +1254,6 @@ static int wm8350_create_cache(struct wm8350 *wm8350, int type, int mode)
(i < WM8350_CLOCK_CONTROL_1 || i > WM8350_AIF_TEST)) {
value = be16_to_cpu(wm8350->reg_cache[i]);
value &= wm8350_reg_io_map[i].readable;
- value &= ~wm8350_reg_io_map[i].vol;
wm8350->reg_cache[i] = value;
} else
wm8350->reg_cache[i] = reg_map[i];
diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c
index 3cf61ece71d7..348443bdb23b 100644
--- a/drivers/misc/enclosure.c
+++ b/drivers/misc/enclosure.c
@@ -119,7 +119,7 @@ enclosure_register(struct device *dev, const char *name, int components,
edev->edev.class = &enclosure_class;
edev->edev.parent = get_device(dev);
edev->cb = cb;
- dev_set_name(&edev->edev, name);
+ dev_set_name(&edev->edev, "%s", name);
err = device_register(&edev->edev);
if (err)
goto err;
@@ -255,8 +255,8 @@ enclosure_component_register(struct enclosure_device *edev,
ecomp->number = number;
cdev = &ecomp->cdev;
cdev->parent = get_device(&edev->edev);
- if (name)
- dev_set_name(cdev, name);
+ if (name && name[0])
+ dev_set_name(cdev, "%s", name);
else
dev_set_name(cdev, "%u", number);
diff --git a/drivers/misc/isl29003.c b/drivers/misc/isl29003.c
index 2e2a5923d4c2..a71e245801ee 100644
--- a/drivers/misc/isl29003.c
+++ b/drivers/misc/isl29003.c
@@ -64,6 +64,7 @@ struct isl29003_data {
struct i2c_client *client;
struct mutex lock;
u8 reg_cache[ISL29003_NUM_CACHABLE_REGS];
+ u8 power_state_before_suspend;
};
static int gain_range[] = {
@@ -411,6 +412,9 @@ static int __devexit isl29003_remove(struct i2c_client *client)
#ifdef CONFIG_PM
static int isl29003_suspend(struct i2c_client *client, pm_message_t mesg)
{
+ struct isl29003_data *data = i2c_get_clientdata(client);
+
+ data->power_state_before_suspend = isl29003_get_power_state(client);
return isl29003_set_power_state(client, 0);
}
@@ -421,10 +425,11 @@ static int isl29003_resume(struct i2c_client *client)
/* restore registers from cache */
for (i = 0; i < ARRAY_SIZE(data->reg_cache); i++)
- if (!i2c_smbus_write_byte_data(client, i, data->reg_cache[i]))
+ if (i2c_smbus_write_byte_data(client, i, data->reg_cache[i]))
return -EIO;
- return 0;
+ return isl29003_set_power_state(client,
+ data->power_state_before_suspend);
}
#else
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index fe8041e619ea..b25e9b6516ae 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -254,6 +254,14 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
brq.data.blocks = req->nr_sectors;
/*
+ * The block layer doesn't support all sector count
+ * restrictions, so we need to be prepared for too big
+ * requests.
+ */
+ if (brq.data.blocks > card->host->max_blk_count)
+ brq.data.blocks = card->host->max_blk_count;
+
+ /*
* After a read error, we redo the request one sector at a time
* in order to accurately determine which sectors can be read
* successfully.
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index fa073ab3fa34..264911732756 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -706,7 +706,7 @@ static void mmc_power_up(struct mmc_host *host)
* This delay should be sufficient to allow the power supply
* to reach the minimum voltage.
*/
- mmc_delay(2);
+ mmc_delay(10);
host->ios.clock = host->f_min;
host->ios.power_mode = MMC_POWER_ON;
@@ -716,7 +716,7 @@ static void mmc_power_up(struct mmc_host *host)
* This delay must be at least 74 clock sizes, or 1 ms, or the
* time required to reach a stable voltage.
*/
- mmc_delay(2);
+ mmc_delay(10);
}
static void mmc_power_off(struct mmc_host *host)
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index a663429b3d55..7d4febdab286 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -490,7 +490,7 @@ static void mmci_check_status(unsigned long data)
mod_timer(&host->timer, jiffies + HZ);
}
-static int __devinit mmci_probe(struct amba_device *dev, void *id)
+static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
{
struct mmc_platform_data *plat = dev->dev.platform_data;
struct mmci_host *host;
@@ -514,6 +514,7 @@ static int __devinit mmci_probe(struct amba_device *dev, void *id)
}
host = mmc_priv(mmc);
+ host->mmc = mmc;
/* Bits 12 thru 19 is the designer */
host->hw_designer = (dev->periphid >> 12) & 0xff;
/* Bits 20 thru 23 is the revison */
@@ -545,7 +546,6 @@ static int __devinit mmci_probe(struct amba_device *dev, void *id)
host->mclk = clk_get_rate(host->clk);
DBG(host, "eventual mclk rate: %u Hz\n", host->mclk);
}
- host->mmc = mmc;
host->base = ioremap(dev->res.start, SZ_4K);
if (!host->base) {
ret = -ENOMEM;
diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c
index b5c375d94ab3..b56d72ff06e9 100644
--- a/drivers/mmc/host/mvsdio.c
+++ b/drivers/mmc/host/mvsdio.c
@@ -64,6 +64,31 @@ static int mvsd_setup_data(struct mvsd_host *host, struct mmc_data *data)
unsigned int tmout;
int tmout_index;
+ /*
+ * Hardware weirdness. The FIFO_EMPTY bit of the HW_STATE
+ * register is sometimes not set before a while when some
+ * "unusual" data block sizes are used (such as with the SWITCH
+ * command), even despite the fact that the XFER_DONE interrupt
+ * was raised. And if another data transfer starts before
+ * this bit comes to good sense (which eventually happens by
+ * itself) then the new transfer simply fails with a timeout.
+ */
+ if (!(mvsd_read(MVSD_HW_STATE) & (1 << 13))) {
+ unsigned long t = jiffies + HZ;
+ unsigned int hw_state, count = 0;
+ do {
+ if (time_after(jiffies, t)) {
+ dev_warn(host->dev, "FIFO_EMPTY bit missing\n");
+ break;
+ }
+ hw_state = mvsd_read(MVSD_HW_STATE);
+ count++;
+ } while (!(hw_state & (1 << 13)));
+ dev_dbg(host->dev, "*** wait for FIFO_EMPTY bit "
+ "(hw=0x%04x, count=%d, jiffies=%ld)\n",
+ hw_state, count, jiffies - (t - HZ));
+ }
+
/* If timeout=0 then maximum timeout index is used. */
tmout = DIV_ROUND_UP(data->timeout_ns, host->ns_per_clk);
tmout += data->timeout_clks;
@@ -620,9 +645,18 @@ static void mvsd_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
if (ios->bus_width == MMC_BUS_WIDTH_4)
ctrl_reg |= MVSD_HOST_CTRL_DATA_WIDTH_4_BITS;
+ /*
+ * The HI_SPEED_EN bit is causing trouble with many (but not all)
+ * high speed SD, SDHC and SDIO cards. Not enabling that bit
+ * makes all cards work. So let's just ignore that bit for now
+ * and revisit this issue if problems for not enabling this bit
+ * are ever reported.
+ */
+#if 0
if (ios->timing == MMC_TIMING_MMC_HS ||
ios->timing == MMC_TIMING_SD_HS)
ctrl_reg |= MVSD_HOST_CTRL_HI_SPEED_EN;
+#endif
host->ctrl = ctrl_reg;
mvsd_write(MVSD_HOST_CTRL, ctrl_reg);
@@ -825,24 +859,23 @@ static int __exit mvsd_remove(struct platform_device *pdev)
}
#ifdef CONFIG_PM
-static int mvsd_suspend(struct platform_device *dev, pm_message_t state,
- u32 level)
+static int mvsd_suspend(struct platform_device *dev, pm_message_t state)
{
struct mmc_host *mmc = platform_get_drvdata(dev);
int ret = 0;
- if (mmc && level == SUSPEND_DISABLE)
+ if (mmc)
ret = mmc_suspend_host(mmc, state);
return ret;
}
-static int mvsd_resume(struct platform_device *dev, u32 level)
+static int mvsd_resume(struct platform_device *dev)
{
- struct mmc_host *mmc = platform_dev_get_drvdata(dev);
+ struct mmc_host *mmc = platform_get_drvdata(dev);
int ret = 0;
- if (mmc && level == RESUME_ENABLE)
+ if (mmc)
ret = mmc_resume_host(mmc);
return ret;
@@ -883,3 +916,4 @@ module_param(nodma, int, 0);
MODULE_AUTHOR("Maen Suleiman, Nicolas Pitre");
MODULE_DESCRIPTION("Marvell MMC,SD,SDIO Host Controller driver");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mvsdio");
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index b4a615c55f28..f4cbe473670e 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -140,6 +140,8 @@ struct mxcmci_host {
struct work_struct datawork;
};
+static void mxcmci_set_clk_rate(struct mxcmci_host *host, unsigned int clk_ios);
+
static inline int mxcmci_use_dma(struct mxcmci_host *host)
{
return host->do_dma;
@@ -160,7 +162,7 @@ static void mxcmci_softreset(struct mxcmci_host *host)
writew(0xff, host->base + MMC_REG_RES_TO);
}
-static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
+static int mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
{
unsigned int nob = data->blocks;
unsigned int blksz = data->blksz;
@@ -168,6 +170,7 @@ static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
#ifdef HAS_DMA
struct scatterlist *sg;
int i;
+ int ret;
#endif
if (data->flags & MMC_DATA_STREAM)
nob = 0xffff;
@@ -183,7 +186,7 @@ static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
for_each_sg(data->sg, sg, data->sg_len, i) {
if (sg->offset & 3 || sg->length & 3) {
host->do_dma = 0;
- return;
+ return 0;
}
}
@@ -192,23 +195,30 @@ static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
host->dma_nents = dma_map_sg(mmc_dev(host->mmc), data->sg,
data->sg_len, host->dma_dir);
- imx_dma_setup_sg(host->dma, data->sg, host->dma_nents, datasize,
- host->res->start + MMC_REG_BUFFER_ACCESS,
- DMA_MODE_READ);
+ ret = imx_dma_setup_sg(host->dma, data->sg, host->dma_nents,
+ datasize,
+ host->res->start + MMC_REG_BUFFER_ACCESS,
+ DMA_MODE_READ);
} else {
host->dma_dir = DMA_TO_DEVICE;
host->dma_nents = dma_map_sg(mmc_dev(host->mmc), data->sg,
data->sg_len, host->dma_dir);
- imx_dma_setup_sg(host->dma, data->sg, host->dma_nents, datasize,
- host->res->start + MMC_REG_BUFFER_ACCESS,
- DMA_MODE_WRITE);
+ ret = imx_dma_setup_sg(host->dma, data->sg, host->dma_nents,
+ datasize,
+ host->res->start + MMC_REG_BUFFER_ACCESS,
+ DMA_MODE_WRITE);
}
+ if (ret) {
+ dev_err(mmc_dev(host->mmc), "failed to setup DMA : %d\n", ret);
+ return ret;
+ }
wmb();
imx_dma_enable(host->dma);
#endif /* HAS_DMA */
+ return 0;
}
static int mxcmci_start_cmd(struct mxcmci_host *host, struct mmc_command *cmd,
@@ -345,8 +355,11 @@ static int mxcmci_poll_status(struct mxcmci_host *host, u32 mask)
stat = readl(host->base + MMC_REG_STATUS);
if (stat & STATUS_ERR_MASK)
return stat;
- if (time_after(jiffies, timeout))
+ if (time_after(jiffies, timeout)) {
+ mxcmci_softreset(host);
+ mxcmci_set_clk_rate(host, host->clock);
return STATUS_TIME_OUT_READ;
+ }
if (stat & mask)
return 0;
cpu_relax();
@@ -531,6 +544,7 @@ static void mxcmci_request(struct mmc_host *mmc, struct mmc_request *req)
{
struct mxcmci_host *host = mmc_priv(mmc);
unsigned int cmdat = host->cmdat;
+ int error;
WARN_ON(host->req != NULL);
@@ -540,7 +554,12 @@ static void mxcmci_request(struct mmc_host *mmc, struct mmc_request *req)
host->do_dma = 1;
#endif
if (req->data) {
- mxcmci_setup_data(host, req->data);
+ error = mxcmci_setup_data(host, req->data);
+ if (error) {
+ req->cmd->error = error;
+ goto out;
+ }
+
cmdat |= CMD_DAT_CONT_DATA_ENABLE;
@@ -548,7 +567,9 @@ static void mxcmci_request(struct mmc_host *mmc, struct mmc_request *req)
cmdat |= CMD_DAT_CONT_WRITE;
}
- if (mxcmci_start_cmd(host, req->cmd, cmdat))
+ error = mxcmci_start_cmd(host, req->cmd, cmdat);
+out:
+ if (error)
mxcmci_finish_request(host, req);
}
@@ -724,7 +745,9 @@ static int mxcmci_probe(struct platform_device *pdev)
goto out_clk_put;
}
- mmc->f_min = clk_get_rate(host->clk) >> 7;
+ mmc->f_min = clk_get_rate(host->clk) >> 16;
+ if (mmc->f_min < 400000)
+ mmc->f_min = 400000;
mmc->f_max = clk_get_rate(host->clk) >> 1;
/* recommended in data sheet */
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 5570849188cc..dceb5ee3bda0 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -157,8 +157,6 @@ struct mmc_omap_host {
struct timer_list dma_timer;
unsigned dma_len;
- short power_pin;
-
struct mmc_omap_slot *slots[OMAP_MMC_MAX_SLOTS];
struct mmc_omap_slot *current_slot;
spinlock_t slot_lock;
@@ -824,7 +822,7 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
del_timer(&host->cmd_abort_timer);
host->abort = 1;
OMAP_MMC_WRITE(host, IE, 0);
- disable_irq(host->irq);
+ disable_irq_nosync(host->irq);
schedule_work(&host->cmd_abort_work);
return IRQ_HANDLED;
}
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index e62a22a7f00c..c40cb96255a2 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -680,7 +680,7 @@ static void mmc_omap_dma_cb(int lch, u16 ch_status, void *data)
host->dma_ch = -1;
/*
* DMA Callback: run in interrupt context.
- * mutex_unlock will through a kernel warning if used.
+ * mutex_unlock will throw a kernel warning if used.
*/
up(&host->sem);
}
diff --git a/drivers/mmc/host/sdhci-of.c b/drivers/mmc/host/sdhci-of.c
index 3ff4ac3abe8b..128c614d11aa 100644
--- a/drivers/mmc/host/sdhci-of.c
+++ b/drivers/mmc/host/sdhci-of.c
@@ -55,7 +55,13 @@ static u32 esdhc_readl(struct sdhci_host *host, int reg)
static u16 esdhc_readw(struct sdhci_host *host, int reg)
{
- return in_be16(host->ioaddr + (reg ^ 0x2));
+ u16 ret;
+
+ if (unlikely(reg == SDHCI_HOST_VERSION))
+ ret = in_be16(host->ioaddr + reg);
+ else
+ ret = in_be16(host->ioaddr + (reg ^ 0x2));
+ return ret;
}
static u8 esdhc_readb(struct sdhci_host *host, int reg)
@@ -277,6 +283,7 @@ static int __devexit sdhci_of_remove(struct of_device *ofdev)
static const struct of_device_id sdhci_of_match[] = {
{ .compatible = "fsl,mpc8379-esdhc", .data = &sdhci_esdhc, },
{ .compatible = "fsl,mpc8536-esdhc", .data = &sdhci_esdhc, },
+ { .compatible = "fsl,esdhc", .data = &sdhci_esdhc, },
{ .compatible = "generic-sdhci", },
{},
};
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index cd37962ec44f..65be27995d5c 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -522,8 +522,8 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot(
host = sdhci_alloc_host(&pdev->dev, sizeof(struct sdhci_pci_slot));
if (IS_ERR(host)) {
- ret = PTR_ERR(host);
- goto unmap;
+ dev_err(&pdev->dev, "cannot allocate host\n");
+ return ERR_PTR(PTR_ERR(host));
}
slot = sdhci_priv(host);
@@ -541,7 +541,7 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot(
ret = pci_request_region(pdev, bar, mmc_hostname(host->mmc));
if (ret) {
dev_err(&pdev->dev, "cannot request region\n");
- return ERR_PTR(ret);
+ goto free;
}
addr = pci_resource_start(pdev, bar);
@@ -572,6 +572,8 @@ unmap:
release:
pci_release_region(pdev, bar);
+
+free:
sdhci_free_host(host);
return ERR_PTR(ret);
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index f20a834f4309..65c6f996bbd3 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -125,7 +125,7 @@
#define SDHCI_INT_DATA_MASK (SDHCI_INT_DATA_END | SDHCI_INT_DMA_END | \
SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL | \
SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_DATA_CRC | \
- SDHCI_INT_DATA_END_BIT)
+ SDHCI_INT_DATA_END_BIT | SDHCI_ADMA_ERROR)
#define SDHCI_INT_ALL_MASK ((unsigned int)-1)
#define SDHCI_ACMD12_ERR 0x3C
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 8185b1f3e5e6..cc6369ea67dd 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -54,7 +54,7 @@
#define SR_SRWD 0x80 /* SR write protect */
/* Define max times to check status register before we give up. */
-#define MAX_READY_WAIT_COUNT 100000
+#define MAX_READY_WAIT_JIFFIES (10 * HZ) /* eg. M25P128 specs 6s max sector erase */
#define CMD_SIZE 4
#ifdef CONFIG_M25PXX_USE_FAST_READ
@@ -139,20 +139,20 @@ static inline int write_enable(struct m25p *flash)
*/
static int wait_till_ready(struct m25p *flash)
{
- int count;
+ unsigned long deadline;
int sr;
- /* one chip guarantees max 5 msec wait here after page writes,
- * but potentially three seconds (!) after page erase.
- */
- for (count = 0; count < MAX_READY_WAIT_COUNT; count++) {
+ deadline = jiffies + MAX_READY_WAIT_JIFFIES;
+
+ do {
if ((sr = read_sr(flash)) < 0)
break;
else if (!(sr & SR_WIP))
return 0;
- /* REVISIT sometimes sleeping would be best */
- }
+ cond_resched();
+
+ } while (!time_after_eq(jiffies, deadline));
return 1;
}
@@ -246,10 +246,12 @@ static int m25p80_erase(struct mtd_info *mtd, struct erase_info *instr)
mutex_lock(&flash->lock);
/* whole-chip erase? */
- if (len == flash->mtd.size && erase_chip(flash)) {
- instr->state = MTD_ERASE_FAILED;
- mutex_unlock(&flash->lock);
- return -EIO;
+ if (len == flash->mtd.size) {
+ if (erase_chip(flash)) {
+ instr->state = MTD_ERASE_FAILED;
+ mutex_unlock(&flash->lock);
+ return -EIO;
+ }
/* REVISIT in some cases we could speed up erasing large regions
* by using OPCODE_SE instead of OPCODE_BE_4K. We may have set up
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index 62dee54af0a5..43976aa4dbb1 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -178,7 +178,7 @@ static int dataflash_erase(struct mtd_info *mtd, struct erase_info *instr)
/* Calculate flash page address; use block erase (for speed) if
* we're at a block boundary and need to erase the whole block.
*/
- pageaddr = div_u64(instr->len, priv->page_size);
+ pageaddr = div_u64(instr->addr, priv->page_size);
do_block = (pageaddr & 0x7) == 0 && instr->len >= blocksize;
pageaddr = pageaddr << priv->page_offset;
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index fdd6ae859397..bccb4b1ffc46 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -48,11 +48,11 @@ static LIST_HEAD(mtd_notifiers);
*/
static void mtd_release(struct device *dev)
{
- struct mtd_info *mtd = dev_to_mtd(dev);
+ dev_t index = MTD_DEVT(dev_to_mtd(dev)->index);
/* remove /dev/mtdXro node if needed */
- if (MTD_DEVT(mtd->index))
- device_destroy(mtd_class, MTD_DEVT(mtd->index) + 1);
+ if (index)
+ device_destroy(mtd_class, index + 1);
}
static ssize_t mtd_type_show(struct device *dev,
@@ -132,6 +132,17 @@ static ssize_t mtd_writesize_show(struct device *dev,
}
static DEVICE_ATTR(writesize, S_IRUGO, mtd_writesize_show, NULL);
+static ssize_t mtd_subpagesize_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct mtd_info *mtd = dev_to_mtd(dev);
+ unsigned int subpagesize = mtd->writesize >> mtd->subpage_sft;
+
+ return snprintf(buf, PAGE_SIZE, "%u\n", subpagesize);
+
+}
+static DEVICE_ATTR(subpagesize, S_IRUGO, mtd_subpagesize_show, NULL);
+
static ssize_t mtd_oobsize_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -169,6 +180,7 @@ static struct attribute *mtd_attrs[] = {
&dev_attr_size.attr,
&dev_attr_erasesize.attr,
&dev_attr_writesize.attr,
+ &dev_attr_subpagesize.attr,
&dev_attr_oobsize.attr,
&dev_attr_numeraseregions.attr,
&dev_attr_name.attr,
diff --git a/drivers/mtd/mtdsuper.c b/drivers/mtd/mtdsuper.c
index 92285d0089c2..af8b42e0a55b 100644
--- a/drivers/mtd/mtdsuper.c
+++ b/drivers/mtd/mtdsuper.c
@@ -74,8 +74,7 @@ static int get_sb_mtd_aux(struct file_system_type *fs_type, int flags,
ret = fill_super(sb, data, flags & MS_SILENT ? 1 : 0);
if (ret < 0) {
- up_write(&sb->s_umount);
- deactivate_super(sb);
+ deactivate_locked_super(sb);
return ret;
}
diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index 0119220de7d0..02700f769b8a 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -407,16 +407,17 @@ static int __init nand_davinci_probe(struct platform_device *pdev)
}
info->chip.ecc.mode = ecc_mode;
- info->clk = clk_get(&pdev->dev, "AEMIFCLK");
+ info->clk = clk_get(&pdev->dev, "aemif");
if (IS_ERR(info->clk)) {
ret = PTR_ERR(info->clk);
- dev_dbg(&pdev->dev, "unable to get AEMIFCLK, err %d\n", ret);
+ dev_dbg(&pdev->dev, "unable to get AEMIF clock, err %d\n", ret);
goto err_clk;
}
ret = clk_enable(info->clk);
if (ret < 0) {
- dev_dbg(&pdev->dev, "unable to enable AEMIFCLK, err %d\n", ret);
+ dev_dbg(&pdev->dev, "unable to enable AEMIF clock, err %d\n",
+ ret);
goto err_clk_enable;
}
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index f3548d048014..40c26080ecda 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -831,6 +831,7 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
break;
case NAND_CMD_READID:
+ host->col_addr = 0;
send_read_id(host);
break;
@@ -867,6 +868,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
mtd->priv = this;
mtd->owner = THIS_MODULE;
mtd->dev.parent = &pdev->dev;
+ mtd->name = "mxc_nand";
/* 50 us command delay time */
this->chip_delay = 5;
@@ -882,8 +884,10 @@ static int __init mxcnd_probe(struct platform_device *pdev)
this->verify_buf = mxc_nand_verify_buf;
host->clk = clk_get(&pdev->dev, "nfc");
- if (IS_ERR(host->clk))
+ if (IS_ERR(host->clk)) {
+ err = PTR_ERR(host->clk);
goto eclk;
+ }
clk_enable(host->clk);
host->clk_act = 1;
@@ -896,7 +900,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
host->regs = ioremap(res->start, res->end - res->start + 1);
if (!host->regs) {
- err = -EIO;
+ err = -ENOMEM;
goto eres;
}
@@ -1011,30 +1015,35 @@ static int __devexit mxcnd_remove(struct platform_device *pdev)
#ifdef CONFIG_PM
static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state)
{
- struct mtd_info *info = platform_get_drvdata(pdev);
+ struct mtd_info *mtd = platform_get_drvdata(pdev);
+ struct nand_chip *nand_chip = mtd->priv;
+ struct mxc_nand_host *host = nand_chip->priv;
int ret = 0;
DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND suspend\n");
- if (info)
- ret = info->suspend(info);
-
- /* Disable the NFC clock */
- clk_disable(nfc_clk); /* FIXME */
+ if (mtd) {
+ ret = mtd->suspend(mtd);
+ /* Disable the NFC clock */
+ clk_disable(host->clk);
+ }
return ret;
}
static int mxcnd_resume(struct platform_device *pdev)
{
- struct mtd_info *info = platform_get_drvdata(pdev);
+ struct mtd_info *mtd = platform_get_drvdata(pdev);
+ struct nand_chip *nand_chip = mtd->priv;
+ struct mxc_nand_host *host = nand_chip->priv;
int ret = 0;
DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND resume\n");
- /* Enable the NFC clock */
- clk_enable(nfc_clk); /* FIXME */
- if (info)
- info->resume(info);
+ if (mtd) {
+ /* Enable the NFC clock */
+ clk_enable(host->clk);
+ mtd->resume(mtd);
+ }
return ret;
}
@@ -1055,13 +1064,7 @@ static struct platform_driver mxcnd_driver = {
static int __init mxc_nd_init(void)
{
- /* Register the device driver structure. */
- pr_info("MXC MTD nand Driver\n");
- if (platform_driver_probe(&mxcnd_driver, mxcnd_probe) != 0) {
- printk(KERN_ERR "Driver register failed for mxcnd_driver\n");
- return -ENODEV;
- }
- return 0;
+ return platform_driver_probe(&mxcnd_driver, mxcnd_probe);
}
static void __exit mxc_nd_cleanup(void)
diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c
index fbb371921991..682aad897081 100644
--- a/drivers/net/3c509.c
+++ b/drivers/net/3c509.c
@@ -480,9 +480,13 @@ static int pnp_registered;
#ifdef CONFIG_EISA
static struct eisa_device_id el3_eisa_ids[] = {
+ { "TCM5090" },
+ { "TCM5091" },
{ "TCM5092" },
{ "TCM5093" },
+ { "TCM5094" },
{ "TCM5095" },
+ { "TCM5098" },
{ "" }
};
MODULE_DEVICE_TABLE(eisa, el3_eisa_ids);
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 1fc4602a6ff2..a1c25cb4669f 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -102,7 +102,7 @@ obj-$(CONFIG_HAMACHI) += hamachi.o
obj-$(CONFIG_NET) += Space.o loopback.o
obj-$(CONFIG_SEEQ8005) += seeq8005.o
obj-$(CONFIG_NET_SB1000) += sb1000.o
-obj-$(CONFIG_MAC8390) += mac8390.o 8390.o
+obj-$(CONFIG_MAC8390) += mac8390.o
obj-$(CONFIG_APNE) += apne.o 8390.o
obj-$(CONFIG_PCMCIA_PCNET) += 8390.o
obj-$(CONFIG_HP100) += hp100.o
diff --git a/drivers/net/arm/ixp4xx_eth.c b/drivers/net/arm/ixp4xx_eth.c
index 448487e22fa3..a740053d3af3 100644
--- a/drivers/net/arm/ixp4xx_eth.c
+++ b/drivers/net/arm/ixp4xx_eth.c
@@ -338,12 +338,12 @@ static int ixp4xx_mdio_register(void)
if (cpu_is_ixp43x()) {
/* IXP43x lacks NPE-B and uses NPE-C for MII PHY access */
if (!(ixp4xx_read_feature_bits() & IXP4XX_FEATURE_NPEC_ETH))
- return -ENOSYS;
+ return -ENODEV;
mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthC_BASE_VIRT;
} else {
/* All MII PHY accesses use NPE-B Ethernet registers */
if (!(ixp4xx_read_feature_bits() & IXP4XX_FEATURE_NPEB_ETH0))
- return -ENOSYS;
+ return -ENODEV;
mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthB_BASE_VIRT;
}
@@ -1174,7 +1174,7 @@ static int __devinit eth_init_one(struct platform_device *pdev)
regs_phys = IXP4XX_EthC_BASE_PHYS;
break;
default:
- err = -ENOSYS;
+ err = -ENODEV;
goto err_free;
}
@@ -1189,15 +1189,10 @@ static int __devinit eth_init_one(struct platform_device *pdev)
goto err_free;
}
- if (register_netdev(dev)) {
- err = -EIO;
- goto err_npe_rel;
- }
-
port->mem_res = request_mem_region(regs_phys, REGS_SIZE, dev->name);
if (!port->mem_res) {
err = -EBUSY;
- goto err_unreg;
+ goto err_npe_rel;
}
port->plat = plat;
@@ -1215,20 +1210,25 @@ static int __devinit eth_init_one(struct platform_device *pdev)
snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, "0", plat->phy);
port->phydev = phy_connect(dev, phy_id, &ixp4xx_adjust_link, 0,
PHY_INTERFACE_MODE_MII);
- if (IS_ERR(port->phydev)) {
- printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
- return PTR_ERR(port->phydev);
- }
+ if ((err = IS_ERR(port->phydev)))
+ goto err_free_mem;
port->phydev->irq = PHY_POLL;
+ if ((err = register_netdev(dev)))
+ goto err_phy_dis;
+
printk(KERN_INFO "%s: MII PHY %i on %s\n", dev->name, plat->phy,
npe_name(port->npe));
return 0;
-err_unreg:
- unregister_netdev(dev);
+err_phy_dis:
+ phy_disconnect(port->phydev);
+err_free_mem:
+ npe_port_tab[NPE_ID(port->id)] = NULL;
+ platform_set_drvdata(pdev, NULL);
+ release_resource(port->mem_res);
err_npe_rel:
npe_release(port->npe);
err_free:
@@ -1242,6 +1242,7 @@ static int __devexit eth_remove_one(struct platform_device *pdev)
struct port *port = netdev_priv(dev);
unregister_netdev(dev);
+ phy_disconnect(port->phydev);
npe_port_tab[NPE_ID(port->id)] = NULL;
platform_set_drvdata(pdev, NULL);
npe_release(port->npe);
diff --git a/drivers/net/atl1e/atl1e_main.c b/drivers/net/atl1e/atl1e_main.c
index fb57b750866b..1342418fb209 100644
--- a/drivers/net/atl1e/atl1e_main.c
+++ b/drivers/net/atl1e/atl1e_main.c
@@ -37,6 +37,7 @@ char atl1e_driver_version[] = DRV_VERSION;
*/
static struct pci_device_id atl1e_pci_tbl[] = {
{PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1E)},
+ {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, 0x1066)},
/* required last entry */
{ 0 }
};
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 0ab22540bf59..4e817126e280 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -82,6 +82,12 @@
#include "atl1.h"
+#define ATLX_DRIVER_VERSION "2.1.3"
+MODULE_AUTHOR("Xiong Huang <xiong.huang@atheros.com>, \
+ Chris Snook <csnook@redhat.com>, Jay Cliburn <jcliburn@gmail.com>");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(ATLX_DRIVER_VERSION);
+
/* Temporary hack for merging atl1 and atl2 */
#include "atlx.c"
diff --git a/drivers/net/atlx/atlx.h b/drivers/net/atlx/atlx.h
index 297a03da6b7f..14054b75aa62 100644
--- a/drivers/net/atlx/atlx.h
+++ b/drivers/net/atlx/atlx.h
@@ -29,12 +29,6 @@
#include <linux/module.h>
#include <linux/types.h>
-#define ATLX_DRIVER_VERSION "2.1.3"
-MODULE_AUTHOR("Xiong Huang <xiong.huang@atheros.com>, \
- Chris Snook <csnook@redhat.com>, Jay Cliburn <jcliburn@gmail.com>");
-MODULE_LICENSE("GPL");
-MODULE_VERSION(ATLX_DRIVER_VERSION);
-
#define ATLX_ERR_PHY 2
#define ATLX_ERR_PHY_SPEED 7
#define ATLX_ERR_PHY_RES 8
diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index c49ddd08b2aa..b4bb06fdf307 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -35,8 +35,22 @@
#define DRV_VER "2.0.348"
#define DRV_NAME "be2net"
#define BE_NAME "ServerEngines BladeEngine2 10Gbps NIC"
+#define OC_NAME "Emulex OneConnect 10Gbps NIC"
#define DRV_DESC BE_NAME "Driver"
+#define BE_VENDOR_ID 0x19a2
+#define BE_DEVICE_ID1 0x211
+#define OC_DEVICE_ID1 0x700
+#define OC_DEVICE_ID2 0x701
+
+static inline char *nic_name(struct pci_dev *pdev)
+{
+ if (pdev->device == OC_DEVICE_ID1 || pdev->device == OC_DEVICE_ID2)
+ return OC_NAME;
+ else
+ return BE_NAME;
+}
+
/* Number of bytes of an RX frame that are copied to skb->data */
#define BE_HDR_LEN 64
#define BE_MAX_JUMBO_FRAME_SIZE 9018
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 30d0c81c989e..5c378b5e8e41 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -28,10 +28,10 @@ static unsigned int rx_frag_size = 2048;
module_param(rx_frag_size, uint, S_IRUGO);
MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data.");
-#define BE_VENDOR_ID 0x19a2
-#define BE2_DEVICE_ID_1 0x0211
static DEFINE_PCI_DEVICE_TABLE(be_dev_ids) = {
- { PCI_DEVICE(BE_VENDOR_ID, BE2_DEVICE_ID_1) },
+ { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) },
+ { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) },
+ { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) },
{ 0 }
};
MODULE_DEVICE_TABLE(pci, be_dev_ids);
@@ -1859,7 +1859,7 @@ static int __devinit be_probe(struct pci_dev *pdev,
if (status != 0)
goto stats_clean;
- dev_info(&pdev->dev, BE_NAME " port %d\n", adapter->port_num);
+ dev_info(&pdev->dev, "%s port %d\n", nic_name(pdev), adapter->port_num);
return 0;
stats_clean:
@@ -1873,7 +1873,7 @@ rel_reg:
disable_dev:
pci_disable_device(pdev);
do_none:
- dev_warn(&pdev->dev, BE_NAME " initialization failed\n");
+ dev_err(&pdev->dev, "%s initialization failed\n", nic_name(pdev));
return status;
}
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index 9f971ed6b58d..b4da18213324 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -979,22 +979,7 @@ static int bfin_mac_open(struct net_device *dev)
return 0;
}
-static const struct net_device_ops bfin_mac_netdev_ops = {
- .ndo_open = bfin_mac_open,
- .ndo_stop = bfin_mac_close,
- .ndo_start_xmit = bfin_mac_hard_start_xmit,
- .ndo_set_mac_address = bfin_mac_set_mac_address,
- .ndo_tx_timeout = bfin_mac_timeout,
- .ndo_set_multicast_list = bfin_mac_set_multicast_list,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_change_mtu = eth_change_mtu,
-#ifdef CONFIG_NET_POLL_CONTROLLER
- .ndo_poll_controller = bfin_mac_poll,
-#endif
-};
-
/*
- *
* this makes the board clean up everything that it can
* and not talk to the outside world. Caused by
* an 'ifconfig ethX down'
@@ -1019,6 +1004,20 @@ static int bfin_mac_close(struct net_device *dev)
return 0;
}
+static const struct net_device_ops bfin_mac_netdev_ops = {
+ .ndo_open = bfin_mac_open,
+ .ndo_stop = bfin_mac_close,
+ .ndo_start_xmit = bfin_mac_hard_start_xmit,
+ .ndo_set_mac_address = bfin_mac_set_mac_address,
+ .ndo_tx_timeout = bfin_mac_timeout,
+ .ndo_set_multicast_list = bfin_mac_set_multicast_list,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_change_mtu = eth_change_mtu,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = bfin_mac_poll,
+#endif
+};
+
static int __devinit bfin_mac_probe(struct platform_device *pdev)
{
struct net_device *ndev;
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index d47839184a06..b0cb29d4cc01 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -54,8 +54,8 @@
#define DRV_MODULE_NAME "bnx2"
#define PFX DRV_MODULE_NAME ": "
-#define DRV_MODULE_VERSION "2.0.0"
-#define DRV_MODULE_RELDATE "April 2, 2009"
+#define DRV_MODULE_VERSION "2.0.1"
+#define DRV_MODULE_RELDATE "May 6, 2009"
#define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-4.6.16.fw"
#define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-4.6.16.fw"
#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-4.6.17.fw"
@@ -2600,6 +2600,7 @@ bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
/* Tell compiler that status block fields can change. */
barrier();
cons = *bnapi->hw_tx_cons_ptr;
+ barrier();
if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
cons++;
return cons;
@@ -2879,6 +2880,7 @@ bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
/* Tell compiler that status block fields can change. */
barrier();
cons = *bnapi->hw_rx_cons_ptr;
+ barrier();
if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
cons++;
return cons;
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 8c2e5ab51f08..faf094abef7f 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -1465,6 +1465,12 @@ static struct aggregator *ad_agg_selection_test(struct aggregator *best,
return best;
}
+static int agg_device_up(const struct aggregator *agg)
+{
+ return (netif_running(agg->slave->dev) &&
+ netif_carrier_ok(agg->slave->dev));
+}
+
/**
* ad_agg_selection_logic - select an aggregation group for a team
* @aggregator: the aggregator we're looking at
@@ -1496,14 +1502,13 @@ static void ad_agg_selection_logic(struct aggregator *agg)
struct port *port;
origin = agg;
-
active = __get_active_agg(agg);
- best = active;
+ best = (active && agg_device_up(active)) ? active : NULL;
do {
agg->is_active = 0;
- if (agg->num_of_ports)
+ if (agg->num_of_ports && agg_device_up(agg))
best = ad_agg_selection_test(best, agg);
} while ((agg = __get_next_agg(agg)));
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index 553a89919778..46d312bedfb8 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -1706,10 +1706,8 @@ void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave
* Called with RTNL
*/
int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr)
- __releases(&bond->curr_slave_lock)
- __releases(&bond->lock)
__acquires(&bond->lock)
- __acquires(&bond->curr_slave_lock)
+ __releases(&bond->lock)
{
struct bonding *bond = netdev_priv(bond_dev);
struct sockaddr *sa = addr;
@@ -1745,9 +1743,6 @@ int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr)
}
}
- write_unlock_bh(&bond->curr_slave_lock);
- read_unlock(&bond->lock);
-
if (swap_slave) {
alb_swap_mac_addr(bond, swap_slave, bond->curr_active_slave);
alb_fasten_mac_swap(bond, swap_slave, bond->curr_active_slave);
@@ -1755,16 +1750,15 @@ int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr)
alb_set_slave_mac_addr(bond->curr_active_slave, bond_dev->dev_addr,
bond->alb_info.rlb_enabled);
+ read_lock(&bond->lock);
alb_send_learning_packets(bond->curr_active_slave, bond_dev->dev_addr);
if (bond->alb_info.rlb_enabled) {
/* inform clients mac address has changed */
rlb_req_update_slave_clients(bond, bond->curr_active_slave);
}
+ read_unlock(&bond->lock);
}
- read_lock(&bond->lock);
- write_lock_bh(&bond->curr_slave_lock);
-
return 0;
}
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 63369b6b14d4..74824028f85c 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2213,33 +2213,24 @@ static int bond_slave_info_query(struct net_device *bond_dev, struct ifslave *in
{
struct bonding *bond = netdev_priv(bond_dev);
struct slave *slave;
- int i, found = 0;
-
- if (info->slave_id < 0) {
- return -ENODEV;
- }
+ int i, res = -ENODEV;
read_lock(&bond->lock);
bond_for_each_slave(bond, slave, i) {
if (i == (int)info->slave_id) {
- found = 1;
+ res = 0;
+ strcpy(info->slave_name, slave->dev->name);
+ info->link = slave->link;
+ info->state = slave->state;
+ info->link_failure_count = slave->link_failure_count;
break;
}
}
read_unlock(&bond->lock);
- if (found) {
- strcpy(info->slave_name, slave->dev->name);
- info->link = slave->link;
- info->state = slave->state;
- info->link_failure_count = slave->link_failure_count;
- } else {
- return -ENODEV;
- }
-
- return 0;
+ return res;
}
/*-------------------------------- Monitoring -------------------------------*/
@@ -5167,16 +5158,15 @@ int bond_create(char *name, struct bond_params *params)
up_write(&bonding_rwsem);
rtnl_unlock(); /* allows sysfs registration of net device */
res = bond_create_sysfs_entry(netdev_priv(bond_dev));
- if (res < 0) {
- rtnl_lock();
- down_write(&bonding_rwsem);
- bond_deinit(bond_dev);
- unregister_netdevice(bond_dev);
- goto out_rtnl;
- }
+ if (res < 0)
+ goto out_unreg;
return 0;
+out_unreg:
+ rtnl_lock();
+ down_write(&bonding_rwsem);
+ unregister_netdevice(bond_dev);
out_bond:
bond_deinit(bond_dev);
out_netdev:
@@ -5191,7 +5181,6 @@ static int __init bonding_init(void)
{
int i;
int res;
- struct bonding *bond;
printk(KERN_INFO "%s", version);
@@ -5222,13 +5211,6 @@ static int __init bonding_init(void)
goto out;
err:
- list_for_each_entry(bond, &bond_dev_list, bond_list) {
- bond_work_cancel_all(bond);
- destroy_workqueue(bond->wq);
- }
-
- bond_destroy_sysfs();
-
rtnl_lock();
bond_free_all();
rtnl_unlock();
diff --git a/drivers/net/cxgb3/adapter.h b/drivers/net/cxgb3/adapter.h
index 714df2b675e6..c888e97c9671 100644
--- a/drivers/net/cxgb3/adapter.h
+++ b/drivers/net/cxgb3/adapter.h
@@ -85,8 +85,8 @@ struct fl_pg_chunk {
struct page *page;
void *va;
unsigned int offset;
- u64 *p_cnt;
- DECLARE_PCI_UNMAP_ADDR(mapping);
+ unsigned long *p_cnt;
+ dma_addr_t mapping;
};
struct rx_desc;
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 7ea48414c6cb..17858b9a5830 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -2496,14 +2496,16 @@ static void check_link_status(struct adapter *adapter)
for_each_port(adapter, i) {
struct net_device *dev = adapter->port[i];
struct port_info *p = netdev_priv(dev);
+ int link_fault;
spin_lock_irq(&adapter->work_lock);
- if (p->link_fault) {
+ link_fault = p->link_fault;
+ spin_unlock_irq(&adapter->work_lock);
+
+ if (link_fault) {
t3_link_fault(adapter, i);
- spin_unlock_irq(&adapter->work_lock);
continue;
}
- spin_unlock_irq(&adapter->work_lock);
if (!(p->phy.caps & SUPPORTED_IRQ) && netif_running(dev)) {
t3_xgm_intr_disable(adapter, i);
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index 26d3587f3399..b3ee2bc1a005 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -355,7 +355,7 @@ static void clear_rx_desc(struct pci_dev *pdev, const struct sge_fl *q,
(*d->pg_chunk.p_cnt)--;
if (!*d->pg_chunk.p_cnt)
pci_unmap_page(pdev,
- pci_unmap_addr(&d->pg_chunk, mapping),
+ d->pg_chunk.mapping,
q->alloc_size, PCI_DMA_FROMDEVICE);
put_page(d->pg_chunk.page);
@@ -454,7 +454,7 @@ static int alloc_pg_chunk(struct adapter *adapter, struct sge_fl *q,
q->pg_chunk.offset = 0;
mapping = pci_map_page(adapter->pdev, q->pg_chunk.page,
0, q->alloc_size, PCI_DMA_FROMDEVICE);
- pci_unmap_addr_set(&q->pg_chunk, mapping, mapping);
+ q->pg_chunk.mapping = mapping;
}
sd->pg_chunk = q->pg_chunk;
@@ -511,8 +511,7 @@ static int refill_fl(struct adapter *adap, struct sge_fl *q, int n, gfp_t gfp)
nomem: q->alloc_failed++;
break;
}
- mapping = pci_unmap_addr(&sd->pg_chunk, mapping) +
- sd->pg_chunk.offset;
+ mapping = sd->pg_chunk.mapping + sd->pg_chunk.offset;
pci_unmap_addr_set(sd, dma_addr, mapping);
add_one_rx_chunk(mapping, d, q->gen);
@@ -881,7 +880,7 @@ recycle:
(*sd->pg_chunk.p_cnt)--;
if (!*sd->pg_chunk.p_cnt)
pci_unmap_page(adap->pdev,
- pci_unmap_addr(&sd->pg_chunk, mapping),
+ sd->pg_chunk.mapping,
fl->alloc_size,
PCI_DMA_FROMDEVICE);
if (!skb) {
@@ -2096,7 +2095,7 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
(*sd->pg_chunk.p_cnt)--;
if (!*sd->pg_chunk.p_cnt)
pci_unmap_page(adap->pdev,
- pci_unmap_addr(&sd->pg_chunk, mapping),
+ sd->pg_chunk.mapping,
fl->alloc_size,
PCI_DMA_FROMDEVICE);
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index e1bd690ff831..4950d5d789ae 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -1274,6 +1274,11 @@ void t3_link_fault(struct adapter *adapter, int port_id)
A_XGM_INT_STATUS + mac->offset);
link_fault &= F_LINKFAULTCHANGE;
+ link_ok = lc->link_ok;
+ speed = lc->speed;
+ duplex = lc->duplex;
+ fc = lc->fc;
+
phy->ops->get_link_status(phy, &link_ok, &speed, &duplex, &fc);
if (link_fault) {
@@ -3779,7 +3784,7 @@ int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai,
adapter->params.info = ai;
adapter->params.nports = ai->nports0 + ai->nports1;
- adapter->params.chan_map = !!ai->nports0 | (!!ai->nports1 << 1);
+ adapter->params.chan_map = (!!ai->nports0) | (!!ai->nports1 << 1);
adapter->params.rev = t3_read_reg(adapter, A_PL_REV);
/*
* We used to only run the "adapter check task" once a second if
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 6a46ceed9436..fffb006b7d95 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3738,7 +3738,7 @@ static irqreturn_t e1000_intr(int irq, void *data)
struct e1000_hw *hw = &adapter->hw;
u32 rctl, icr = er32(ICR);
- if (unlikely((!icr) || test_bit(__E1000_RESETTING, &adapter->flags)))
+ if (unlikely((!icr) || test_bit(__E1000_DOWN, &adapter->flags)))
return IRQ_NONE; /* Not our interrupt */
/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
@@ -4027,8 +4027,9 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
PCI_DMA_FROMDEVICE);
length = le16_to_cpu(rx_desc->length);
-
- if (unlikely(!(status & E1000_RXD_STAT_EOP))) {
+ /* !EOP means multiple descriptors were used to store a single
+ * packet, also make sure the frame isn't just CRC only */
+ if (unlikely(!(status & E1000_RXD_STAT_EOP) || (length <= 4))) {
/* All receives must fit into a single buffer */
E1000_DBG("%s: Receive packet consumed multiple"
" buffers\n", netdev->name);
diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h
index 6e317caf429c..16a41389575a 100644
--- a/drivers/net/ehea/ehea.h
+++ b/drivers/net/ehea/ehea.h
@@ -40,7 +40,7 @@
#include <asm/io.h>
#define DRV_NAME "ehea"
-#define DRV_VERSION "EHEA_0100"
+#define DRV_VERSION "EHEA_0101"
/* eHEA capability flags */
#define DLPAR_PORT_ADD_REM 1
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 604c844d0769..b22dab9153f6 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -545,14 +545,17 @@ static inline struct sk_buff *get_skb_by_index(struct sk_buff **skb_array,
x &= (arr_len - 1);
pref = skb_array[x];
- prefetchw(pref);
- prefetchw(pref + EHEA_CACHE_LINE);
-
- pref = (skb_array[x]->data);
- prefetch(pref);
- prefetch(pref + EHEA_CACHE_LINE);
- prefetch(pref + EHEA_CACHE_LINE * 2);
- prefetch(pref + EHEA_CACHE_LINE * 3);
+ if (pref) {
+ prefetchw(pref);
+ prefetchw(pref + EHEA_CACHE_LINE);
+
+ pref = (skb_array[x]->data);
+ prefetch(pref);
+ prefetch(pref + EHEA_CACHE_LINE);
+ prefetch(pref + EHEA_CACHE_LINE * 2);
+ prefetch(pref + EHEA_CACHE_LINE * 3);
+ }
+
skb = skb_array[skb_index];
skb_array[skb_index] = NULL;
return skb;
@@ -569,12 +572,14 @@ static inline struct sk_buff *get_skb_by_index_ll(struct sk_buff **skb_array,
x &= (arr_len - 1);
pref = skb_array[x];
- prefetchw(pref);
- prefetchw(pref + EHEA_CACHE_LINE);
+ if (pref) {
+ prefetchw(pref);
+ prefetchw(pref + EHEA_CACHE_LINE);
- pref = (skb_array[x]->data);
- prefetchw(pref);
- prefetchw(pref + EHEA_CACHE_LINE);
+ pref = (skb_array[x]->data);
+ prefetchw(pref);
+ prefetchw(pref + EHEA_CACHE_LINE);
+ }
skb = skb_array[wqe_index];
skb_array[wqe_index] = NULL;
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index f9a846b1b92f..9f6a68fb7b45 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -897,6 +897,12 @@ enum {
};
static int phy_cross = NV_CROSSOVER_DETECTION_DISABLED;
+/*
+ * Power down phy when interface is down (persists through reboot;
+ * older Linux and other OSes may not power it up again)
+ */
+static int phy_power_down = 0;
+
static inline struct fe_priv *get_nvpriv(struct net_device *dev)
{
return netdev_priv(dev);
@@ -1485,7 +1491,10 @@ static int phy_init(struct net_device *dev)
/* restart auto negotiation, power down phy */
mii_control = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ);
- mii_control |= (BMCR_ANRESTART | BMCR_ANENABLE | BMCR_PDOWN);
+ mii_control |= (BMCR_ANRESTART | BMCR_ANENABLE);
+ if (phy_power_down) {
+ mii_control |= BMCR_PDOWN;
+ }
if (mii_rw(dev, np->phyaddr, MII_BMCR, mii_control)) {
return PHY_ERROR;
}
@@ -5513,7 +5522,7 @@ static int nv_close(struct net_device *dev)
nv_drain_rxtx(dev);
- if (np->wolenabled) {
+ if (np->wolenabled || !phy_power_down) {
writel(NVREG_PFF_ALWAYS|NVREG_PFF_MYADDR, base + NvRegPacketFilterFlags);
nv_start_rx(dev);
} else {
@@ -6367,6 +6376,8 @@ module_param(dma_64bit, int, 0);
MODULE_PARM_DESC(dma_64bit, "High DMA is enabled by setting to 1 and disabled by setting to 0.");
module_param(phy_cross, int, 0);
MODULE_PARM_DESC(phy_cross, "Phy crossover detection for Realtek 8201 phy is enabled by setting to 1 and disabled by setting to 0.");
+module_param(phy_power_down, int, 0);
+MODULE_PARM_DESC(phy_power_down, "Power down phy and disable link when interface is down (1), or leave phy powered up (0).");
MODULE_AUTHOR("Manfred Spraul <manfred@colorfullife.com>");
MODULE_DESCRIPTION("Reverse Engineered nForce ethernet driver");
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index b2c49679bba7..a0519184e54e 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -1885,8 +1885,17 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
if (unlikely(!newskb))
newskb = skb;
- else if (skb)
+ else if (skb) {
+ /*
+ * We need to reset ->data to what it
+ * was before gfar_new_skb() re-aligned
+ * it to an RXBUF_ALIGNMENT boundary
+ * before we put the skb back on the
+ * recycle list.
+ */
+ skb->data = skb->head + NET_SKB_PAD;
__skb_queue_head(&priv->rx_recycle, skb);
+ }
} else {
/* Increment the number of packets */
dev->stats.rx_packets++;
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index 0642d52aef5c..cf352961ae9b 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -259,7 +259,7 @@ extern const char gfar_driver_version[];
(IEVENT_RXC | IEVENT_BSY | IEVENT_EBERR | IEVENT_MSRO | \
IEVENT_BABT | IEVENT_TXC | IEVENT_TXE | IEVENT_LC \
| IEVENT_CRL | IEVENT_XFUN | IEVENT_DPE | IEVENT_PERR \
- | IEVENT_MAG)
+ | IEVENT_MAG | IEVENT_BABR)
#define IMASK_INIT_CLEAR 0x00000000
#define IMASK_BABR 0x80000000
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 08c801490c72..e25343588fc7 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -2006,7 +2006,7 @@ static void igb_setup_rctl(struct igb_adapter *adapter)
struct e1000_hw *hw = &adapter->hw;
u32 rctl;
u32 srrctl = 0;
- int i, j;
+ int i;
rctl = rd32(E1000_RCTL);
@@ -2071,8 +2071,6 @@ static void igb_setup_rctl(struct igb_adapter *adapter)
if (adapter->vfs_allocated_count) {
u32 vmolr;
- j = adapter->rx_ring[0].reg_idx;
-
/* set all queue drop enable bits */
wr32(E1000_QDE, ALL_QUEUES);
srrctl |= E1000_SRRCTL_DROP_EN;
@@ -2080,16 +2078,16 @@ static void igb_setup_rctl(struct igb_adapter *adapter)
/* disable queue 0 to prevent tail write w/o re-config */
wr32(E1000_RXDCTL(0), 0);
- vmolr = rd32(E1000_VMOLR(j));
+ vmolr = rd32(E1000_VMOLR(adapter->vfs_allocated_count));
if (rctl & E1000_RCTL_LPE)
vmolr |= E1000_VMOLR_LPE;
- if (adapter->num_rx_queues > 0)
+ if (adapter->num_rx_queues > 1)
vmolr |= E1000_VMOLR_RSSE;
- wr32(E1000_VMOLR(j), vmolr);
+ wr32(E1000_VMOLR(adapter->vfs_allocated_count), vmolr);
}
for (i = 0; i < adapter->num_rx_queues; i++) {
- j = adapter->rx_ring[i].reg_idx;
+ int j = adapter->rx_ring[i].reg_idx;
wr32(E1000_SRRCTL(j), srrctl);
}
diff --git a/drivers/net/mac8390.c b/drivers/net/mac8390.c
index 8e884869a05b..22e74a0e0361 100644
--- a/drivers/net/mac8390.c
+++ b/drivers/net/mac8390.c
@@ -304,7 +304,7 @@ struct net_device * __init mac8390_probe(int unit)
if (!MACH_IS_MAC)
return ERR_PTR(-ENODEV);
- dev = alloc_ei_netdev();
+ dev = ____alloc_ei_netdev(0);
if (!dev)
return ERR_PTR(-ENOMEM);
@@ -481,15 +481,15 @@ void cleanup_module(void)
static const struct net_device_ops mac8390_netdev_ops = {
.ndo_open = mac8390_open,
.ndo_stop = mac8390_close,
- .ndo_start_xmit = ei_start_xmit,
- .ndo_tx_timeout = ei_tx_timeout,
- .ndo_get_stats = ei_get_stats,
- .ndo_set_multicast_list = ei_set_multicast_list,
+ .ndo_start_xmit = __ei_start_xmit,
+ .ndo_tx_timeout = __ei_tx_timeout,
+ .ndo_get_stats = __ei_get_stats,
+ .ndo_set_multicast_list = __ei_set_multicast_list,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = eth_mac_addr,
.ndo_change_mtu = eth_change_mtu,
#ifdef CONFIG_NET_POLL_CONTROLLER
- .ndo_poll_controller = ei_poll,
+ .ndo_poll_controller = __ei_poll,
#endif
};
diff --git a/drivers/net/meth.c b/drivers/net/meth.c
index aa08987f6e81..dbd3436912b8 100644
--- a/drivers/net/meth.c
+++ b/drivers/net/meth.c
@@ -127,11 +127,11 @@ static unsigned long mdio_read(struct meth_private *priv, unsigned long phyreg)
static int mdio_probe(struct meth_private *priv)
{
int i;
- unsigned long p2, p3;
+ unsigned long p2, p3, flags;
/* check if phy is detected already */
if(priv->phy_addr>=0&&priv->phy_addr<32)
return 0;
- spin_lock(&priv->meth_lock);
+ spin_lock_irqsave(&priv->meth_lock, flags);
for (i=0;i<32;++i){
priv->phy_addr=i;
p2=mdio_read(priv,2);
@@ -157,7 +157,7 @@ static int mdio_probe(struct meth_private *priv)
break;
}
}
- spin_unlock(&priv->meth_lock);
+ spin_unlock_irqrestore(&priv->meth_lock, flags);
if(priv->phy_addr<32) {
return 0;
}
@@ -373,14 +373,14 @@ static int meth_release(struct net_device *dev)
static void meth_rx(struct net_device* dev, unsigned long int_status)
{
struct sk_buff *skb;
- unsigned long status;
+ unsigned long status, flags;
struct meth_private *priv = netdev_priv(dev);
unsigned long fifo_rptr = (int_status & METH_INT_RX_RPTR_MASK) >> 8;
- spin_lock(&priv->meth_lock);
+ spin_lock_irqsave(&priv->meth_lock, flags);
priv->dma_ctrl &= ~METH_DMA_RX_INT_EN;
mace->eth.dma_ctrl = priv->dma_ctrl;
- spin_unlock(&priv->meth_lock);
+ spin_unlock_irqrestore(&priv->meth_lock, flags);
if (int_status & METH_INT_RX_UNDERFLOW) {
fifo_rptr = (fifo_rptr - 1) & 0x0f;
@@ -452,12 +452,12 @@ static void meth_rx(struct net_device* dev, unsigned long int_status)
mace->eth.rx_fifo = priv->rx_ring_dmas[priv->rx_write];
ADVANCE_RX_PTR(priv->rx_write);
}
- spin_lock(&priv->meth_lock);
+ spin_lock_irqsave(&priv->meth_lock, flags);
/* In case there was underflow, and Rx DMA was disabled */
priv->dma_ctrl |= METH_DMA_RX_INT_EN | METH_DMA_RX_EN;
mace->eth.dma_ctrl = priv->dma_ctrl;
mace->eth.int_stat = METH_INT_RX_THRESHOLD;
- spin_unlock(&priv->meth_lock);
+ spin_unlock_irqrestore(&priv->meth_lock, flags);
}
static int meth_tx_full(struct net_device *dev)
@@ -470,11 +470,11 @@ static int meth_tx_full(struct net_device *dev)
static void meth_tx_cleanup(struct net_device* dev, unsigned long int_status)
{
struct meth_private *priv = netdev_priv(dev);
- unsigned long status;
+ unsigned long status, flags;
struct sk_buff *skb;
unsigned long rptr = (int_status&TX_INFO_RPTR) >> 16;
- spin_lock(&priv->meth_lock);
+ spin_lock_irqsave(&priv->meth_lock, flags);
/* Stop DMA notification */
priv->dma_ctrl &= ~(METH_DMA_TX_INT_EN);
@@ -527,12 +527,13 @@ static void meth_tx_cleanup(struct net_device* dev, unsigned long int_status)
}
mace->eth.int_stat = METH_INT_TX_EMPTY | METH_INT_TX_PKT;
- spin_unlock(&priv->meth_lock);
+ spin_unlock_irqrestore(&priv->meth_lock, flags);
}
static void meth_error(struct net_device* dev, unsigned status)
{
struct meth_private *priv = netdev_priv(dev);
+ unsigned long flags;
printk(KERN_WARNING "meth: error status: 0x%08x\n",status);
/* check for errors too... */
@@ -547,7 +548,7 @@ static void meth_error(struct net_device* dev, unsigned status)
printk(KERN_WARNING "meth: Rx overflow\n");
if (status & (METH_INT_RX_UNDERFLOW)) {
printk(KERN_WARNING "meth: Rx underflow\n");
- spin_lock(&priv->meth_lock);
+ spin_lock_irqsave(&priv->meth_lock, flags);
mace->eth.int_stat = METH_INT_RX_UNDERFLOW;
/* more underflow interrupts will be delivered,
* effectively throwing us into an infinite loop.
@@ -555,7 +556,7 @@ static void meth_error(struct net_device* dev, unsigned status)
priv->dma_ctrl &= ~METH_DMA_RX_EN;
mace->eth.dma_ctrl = priv->dma_ctrl;
DPRINTK("Disabled meth Rx DMA temporarily\n");
- spin_unlock(&priv->meth_lock);
+ spin_unlock_irqrestore(&priv->meth_lock, flags);
}
mace->eth.int_stat = METH_INT_ERROR;
}
diff --git a/drivers/net/mlx4/en_cq.c b/drivers/net/mlx4/en_cq.c
index 91f50de84be9..a276125b709b 100644
--- a/drivers/net/mlx4/en_cq.c
+++ b/drivers/net/mlx4/en_cq.c
@@ -125,8 +125,10 @@ void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
if (cq->is_tx)
del_timer(&cq->timer);
- else
+ else {
napi_disable(&cq->napi);
+ netif_napi_del(&cq->napi);
+ }
mlx4_cq_free(mdev->dev, &cq->mcq);
}
diff --git a/drivers/net/mlx4/en_rx.c b/drivers/net/mlx4/en_rx.c
index 7942c4d3cd88..9ee873e872b3 100644
--- a/drivers/net/mlx4/en_rx.c
+++ b/drivers/net/mlx4/en_rx.c
@@ -951,7 +951,6 @@ static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv,
if (err) {
mlx4_err(mdev, "Failed to allocate qp #%d\n", qpn);
goto out;
- return err;
}
qp->event = mlx4_en_sqp_event;
diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c
index ac6fc499b280..e5c98a98ad37 100644
--- a/drivers/net/mlx4/en_tx.c
+++ b/drivers/net/mlx4/en_tx.c
@@ -426,7 +426,7 @@ void mlx4_en_poll_tx_cq(unsigned long data)
INC_PERF_COUNTER(priv->pstats.tx_poll);
- if (!spin_trylock(&ring->comp_lock)) {
+ if (!spin_trylock_irq(&ring->comp_lock)) {
mod_timer(&cq->timer, jiffies + MLX4_EN_TX_POLL_TIMEOUT);
return;
}
@@ -439,7 +439,7 @@ void mlx4_en_poll_tx_cq(unsigned long data)
if (inflight && priv->port_up)
mod_timer(&cq->timer, jiffies + MLX4_EN_TX_POLL_TIMEOUT);
- spin_unlock(&ring->comp_lock);
+ spin_unlock_irq(&ring->comp_lock);
}
static struct mlx4_en_tx_desc *mlx4_en_bounce_to_desc(struct mlx4_en_priv *priv,
@@ -482,9 +482,9 @@ static inline void mlx4_en_xmit_poll(struct mlx4_en_priv *priv, int tx_ind)
/* Poll the CQ every mlx4_en_TX_MODER_POLL packets */
if ((++ring->poll_cnt & (MLX4_EN_TX_POLL_MODER - 1)) == 0)
- if (spin_trylock(&ring->comp_lock)) {
+ if (spin_trylock_irq(&ring->comp_lock)) {
mlx4_en_process_tx_cq(priv->dev, cq);
- spin_unlock(&ring->comp_lock);
+ spin_unlock_irq(&ring->comp_lock);
}
}
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index b3185bf2c158..6bb5af35eda6 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -393,12 +393,12 @@ struct mv643xx_eth_private {
struct work_struct tx_timeout_task;
struct napi_struct napi;
+ u8 oom;
u8 work_link;
u8 work_tx;
u8 work_tx_end;
u8 work_rx;
u8 work_rx_refill;
- u8 work_rx_oom;
int skb_size;
struct sk_buff_head rx_recycle;
@@ -569,7 +569,7 @@ static int rxq_process(struct rx_queue *rxq, int budget)
if (rxq->rx_curr_desc == rxq->rx_ring_size)
rxq->rx_curr_desc = 0;
- dma_unmap_single(NULL, rx_desc->buf_ptr,
+ dma_unmap_single(mp->dev->dev.parent, rx_desc->buf_ptr,
rx_desc->buf_size, DMA_FROM_DEVICE);
rxq->rx_desc_count--;
rx++;
@@ -661,7 +661,7 @@ static int rxq_refill(struct rx_queue *rxq, int budget)
dma_get_cache_alignment() - 1);
if (skb == NULL) {
- mp->work_rx_oom |= 1 << rxq->index;
+ mp->oom = 1;
goto oom;
}
@@ -678,8 +678,9 @@ static int rxq_refill(struct rx_queue *rxq, int budget)
rx_desc = rxq->rx_desc_area + rx;
- rx_desc->buf_ptr = dma_map_single(NULL, skb->data,
- mp->skb_size, DMA_FROM_DEVICE);
+ rx_desc->buf_ptr = dma_map_single(mp->dev->dev.parent,
+ skb->data, mp->skb_size,
+ DMA_FROM_DEVICE);
rx_desc->buf_size = mp->skb_size;
rxq->rx_skb[rx] = skb;
wmb();
@@ -718,6 +719,7 @@ static inline unsigned int has_tiny_unaligned_frags(struct sk_buff *skb)
static void txq_submit_frag_skb(struct tx_queue *txq, struct sk_buff *skb)
{
+ struct mv643xx_eth_private *mp = txq_to_mp(txq);
int nr_frags = skb_shinfo(skb)->nr_frags;
int frag;
@@ -746,10 +748,10 @@ static void txq_submit_frag_skb(struct tx_queue *txq, struct sk_buff *skb)
desc->l4i_chk = 0;
desc->byte_cnt = this_frag->size;
- desc->buf_ptr = dma_map_page(NULL, this_frag->page,
- this_frag->page_offset,
- this_frag->size,
- DMA_TO_DEVICE);
+ desc->buf_ptr = dma_map_page(mp->dev->dev.parent,
+ this_frag->page,
+ this_frag->page_offset,
+ this_frag->size, DMA_TO_DEVICE);
}
}
@@ -826,7 +828,8 @@ no_csum:
desc->l4i_chk = l4i_chk;
desc->byte_cnt = length;
- desc->buf_ptr = dma_map_single(NULL, skb->data, length, DMA_TO_DEVICE);
+ desc->buf_ptr = dma_map_single(mp->dev->dev.parent, skb->data,
+ length, DMA_TO_DEVICE);
__skb_queue_tail(&txq->tx_skb, skb);
@@ -956,10 +959,10 @@ static int txq_reclaim(struct tx_queue *txq, int budget, int force)
}
if (cmd_sts & TX_FIRST_DESC) {
- dma_unmap_single(NULL, desc->buf_ptr,
+ dma_unmap_single(mp->dev->dev.parent, desc->buf_ptr,
desc->byte_cnt, DMA_TO_DEVICE);
} else {
- dma_unmap_page(NULL, desc->buf_ptr,
+ dma_unmap_page(mp->dev->dev.parent, desc->buf_ptr,
desc->byte_cnt, DMA_TO_DEVICE);
}
@@ -1255,7 +1258,6 @@ static void mib_counters_update(struct mv643xx_eth_private *mp)
spin_lock_bh(&mp->mib_counters_lock);
p->good_octets_received += mib_read(mp, 0x00);
- p->good_octets_received += (u64)mib_read(mp, 0x04) << 32;
p->bad_octets_received += mib_read(mp, 0x08);
p->internal_mac_transmit_err += mib_read(mp, 0x0c);
p->good_frames_received += mib_read(mp, 0x10);
@@ -1269,7 +1271,6 @@ static void mib_counters_update(struct mv643xx_eth_private *mp)
p->frames_512_to_1023_octets += mib_read(mp, 0x30);
p->frames_1024_to_max_octets += mib_read(mp, 0x34);
p->good_octets_sent += mib_read(mp, 0x38);
- p->good_octets_sent += (u64)mib_read(mp, 0x3c) << 32;
p->good_frames_sent += mib_read(mp, 0x40);
p->excessive_collision += mib_read(mp, 0x44);
p->multicast_frames_sent += mib_read(mp, 0x48);
@@ -1896,9 +1897,9 @@ static int rxq_init(struct mv643xx_eth_private *mp, int index)
mp->rx_desc_sram_size);
rxq->rx_desc_dma = mp->rx_desc_sram_addr;
} else {
- rxq->rx_desc_area = dma_alloc_coherent(NULL, size,
- &rxq->rx_desc_dma,
- GFP_KERNEL);
+ rxq->rx_desc_area = dma_alloc_coherent(mp->dev->dev.parent,
+ size, &rxq->rx_desc_dma,
+ GFP_KERNEL);
}
if (rxq->rx_desc_area == NULL) {
@@ -1949,7 +1950,7 @@ out_free:
if (index == 0 && size <= mp->rx_desc_sram_size)
iounmap(rxq->rx_desc_area);
else
- dma_free_coherent(NULL, size,
+ dma_free_coherent(mp->dev->dev.parent, size,
rxq->rx_desc_area,
rxq->rx_desc_dma);
@@ -1981,7 +1982,7 @@ static void rxq_deinit(struct rx_queue *rxq)
rxq->rx_desc_area_size <= mp->rx_desc_sram_size)
iounmap(rxq->rx_desc_area);
else
- dma_free_coherent(NULL, rxq->rx_desc_area_size,
+ dma_free_coherent(mp->dev->dev.parent, rxq->rx_desc_area_size,
rxq->rx_desc_area, rxq->rx_desc_dma);
kfree(rxq->rx_skb);
@@ -2009,9 +2010,9 @@ static int txq_init(struct mv643xx_eth_private *mp, int index)
mp->tx_desc_sram_size);
txq->tx_desc_dma = mp->tx_desc_sram_addr;
} else {
- txq->tx_desc_area = dma_alloc_coherent(NULL, size,
- &txq->tx_desc_dma,
- GFP_KERNEL);
+ txq->tx_desc_area = dma_alloc_coherent(mp->dev->dev.parent,
+ size, &txq->tx_desc_dma,
+ GFP_KERNEL);
}
if (txq->tx_desc_area == NULL) {
@@ -2055,7 +2056,7 @@ static void txq_deinit(struct tx_queue *txq)
txq->tx_desc_area_size <= mp->tx_desc_sram_size)
iounmap(txq->tx_desc_area);
else
- dma_free_coherent(NULL, txq->tx_desc_area_size,
+ dma_free_coherent(mp->dev->dev.parent, txq->tx_desc_area_size,
txq->tx_desc_area, txq->tx_desc_dma);
}
@@ -2167,8 +2168,10 @@ static int mv643xx_eth_poll(struct napi_struct *napi, int budget)
mp = container_of(napi, struct mv643xx_eth_private, napi);
- mp->work_rx_refill |= mp->work_rx_oom;
- mp->work_rx_oom = 0;
+ if (unlikely(mp->oom)) {
+ mp->oom = 0;
+ del_timer(&mp->rx_oom);
+ }
work_done = 0;
while (work_done < budget) {
@@ -2182,8 +2185,10 @@ static int mv643xx_eth_poll(struct napi_struct *napi, int budget)
continue;
}
- queue_mask = mp->work_tx | mp->work_tx_end |
- mp->work_rx | mp->work_rx_refill;
+ queue_mask = mp->work_tx | mp->work_tx_end | mp->work_rx;
+ if (likely(!mp->oom))
+ queue_mask |= mp->work_rx_refill;
+
if (!queue_mask) {
if (mv643xx_eth_collect_events(mp))
continue;
@@ -2204,7 +2209,7 @@ static int mv643xx_eth_poll(struct napi_struct *napi, int budget)
txq_maybe_wake(mp->txq + queue);
} else if (mp->work_rx & queue_mask) {
work_done += rxq_process(mp->rxq + queue, work_tbd);
- } else if (mp->work_rx_refill & queue_mask) {
+ } else if (!mp->oom && (mp->work_rx_refill & queue_mask)) {
work_done += rxq_refill(mp->rxq + queue, work_tbd);
} else {
BUG();
@@ -2212,7 +2217,7 @@ static int mv643xx_eth_poll(struct napi_struct *napi, int budget)
}
if (work_done < budget) {
- if (mp->work_rx_oom)
+ if (mp->oom)
mod_timer(&mp->rx_oom, jiffies + (HZ / 10));
napi_complete(napi);
wrlp(mp, INT_MASK, INT_TX_END | INT_RX | INT_EXT);
@@ -2372,7 +2377,7 @@ static int mv643xx_eth_open(struct net_device *dev)
rxq_refill(mp->rxq + i, INT_MAX);
}
- if (mp->work_rx_oom) {
+ if (mp->oom) {
mp->rx_oom.expires = jiffies + (HZ / 10);
add_timer(&mp->rx_oom);
}
diff --git a/drivers/net/ne2k-pci.c b/drivers/net/ne2k-pci.c
index eb66f658f9d1..7d83896b8c26 100644
--- a/drivers/net/ne2k-pci.c
+++ b/drivers/net/ne2k-pci.c
@@ -374,18 +374,17 @@ static int __devinit ne2k_pci_init_one (struct pci_dev *pdev,
dev->ethtool_ops = &ne2k_pci_ethtool_ops;
NS8390_init(dev, 0);
+ memcpy(dev->dev_addr, SA_prom, 6);
+ memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
+
i = register_netdev(dev);
if (i)
goto err_out_free_netdev;
- for(i = 0; i < 6; i++)
- dev->dev_addr[i] = SA_prom[i];
printk("%s: %s found at %#lx, IRQ %d, %pM.\n",
dev->name, pci_clone_list[chip_idx].name, ioaddr, dev->irq,
dev->dev_addr);
- memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
-
return 0;
err_out_free_netdev:
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index eceadf787a67..bf4af5248cb7 100644
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -664,7 +664,7 @@ static int netconsole_netdev_event(struct notifier_block *this,
struct netconsole_target *nt;
struct net_device *dev = ptr;
- if (!(event == NETDEV_CHANGENAME))
+ if (!(event == NETDEV_CHANGENAME || event == NETDEV_UNREGISTER))
goto done;
spin_lock_irqsave(&target_list_lock, flags);
@@ -675,6 +675,15 @@ static int netconsole_netdev_event(struct notifier_block *this,
case NETDEV_CHANGENAME:
strlcpy(nt->np.dev_name, dev->name, IFNAMSIZ);
break;
+ case NETDEV_UNREGISTER:
+ if (!nt->enabled)
+ break;
+ netpoll_cleanup(&nt->np);
+ nt->enabled = 0;
+ printk(KERN_INFO "netconsole: network logging stopped"
+ ", interface %s unregistered\n",
+ dev->name);
+ break;
}
}
netconsole_target_put(nt);
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 0b6e8c896835..3b19e0ce290f 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -66,7 +66,6 @@ static const int multicast_filter_limit = 32;
#define RX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
#define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
#define EarlyTxThld 0x3F /* 0x3F means NO early transmit */
-#define RxPacketMaxSize 0x3FE8 /* 16K - 1 - ETH_HLEN - VLAN - CRC... */
#define SafeMtu 0x1c20 /* ... actually life sucks beyond ~7k */
#define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */
@@ -2357,10 +2356,10 @@ static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
return cmd;
}
-static void rtl_set_rx_max_size(void __iomem *ioaddr)
+static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
{
/* Low hurts. Let's disable the filtering. */
- RTL_W16(RxMaxSize, 16383);
+ RTL_W16(RxMaxSize, rx_buf_sz);
}
static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
@@ -2407,7 +2406,7 @@ static void rtl_hw_start_8169(struct net_device *dev)
RTL_W8(EarlyTxThres, EarlyTxThld);
- rtl_set_rx_max_size(ioaddr);
+ rtl_set_rx_max_size(ioaddr, tp->rx_buf_sz);
if ((tp->mac_version == RTL_GIGA_MAC_VER_01) ||
(tp->mac_version == RTL_GIGA_MAC_VER_02) ||
@@ -2668,7 +2667,7 @@ static void rtl_hw_start_8168(struct net_device *dev)
RTL_W8(EarlyTxThres, EarlyTxThld);
- rtl_set_rx_max_size(ioaddr);
+ rtl_set_rx_max_size(ioaddr, tp->rx_buf_sz);
tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
@@ -2846,7 +2845,7 @@ static void rtl_hw_start_8101(struct net_device *dev)
RTL_W8(EarlyTxThres, EarlyTxThld);
- rtl_set_rx_max_size(ioaddr);
+ rtl_set_rx_max_size(ioaddr, tp->rx_buf_sz);
tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
@@ -3554,54 +3553,64 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
int handled = 0;
int status;
+ /* loop handling interrupts until we have no new ones or
+ * we hit a invalid/hotplug case.
+ */
status = RTL_R16(IntrStatus);
+ while (status && status != 0xffff) {
+ handled = 1;
- /* hotplug/major error/no more work/shared irq */
- if ((status == 0xffff) || !status)
- goto out;
-
- handled = 1;
+ /* Handle all of the error cases first. These will reset
+ * the chip, so just exit the loop.
+ */
+ if (unlikely(!netif_running(dev))) {
+ rtl8169_asic_down(ioaddr);
+ break;
+ }
- if (unlikely(!netif_running(dev))) {
- rtl8169_asic_down(ioaddr);
- goto out;
- }
+ /* Work around for rx fifo overflow */
+ if (unlikely(status & RxFIFOOver) &&
+ (tp->mac_version == RTL_GIGA_MAC_VER_11)) {
+ netif_stop_queue(dev);
+ rtl8169_tx_timeout(dev);
+ break;
+ }
- status &= tp->intr_mask;
- RTL_W16(IntrStatus,
- (status & RxFIFOOver) ? (status | RxOverflow) : status);
+ if (unlikely(status & SYSErr)) {
+ rtl8169_pcierr_interrupt(dev);
+ break;
+ }
- if (!(status & tp->intr_event))
- goto out;
+ if (status & LinkChg)
+ rtl8169_check_link_status(dev, tp, ioaddr);
- /* Work around for rx fifo overflow */
- if (unlikely(status & RxFIFOOver) &&
- (tp->mac_version == RTL_GIGA_MAC_VER_11)) {
- netif_stop_queue(dev);
- rtl8169_tx_timeout(dev);
- goto out;
- }
+ /* We need to see the lastest version of tp->intr_mask to
+ * avoid ignoring an MSI interrupt and having to wait for
+ * another event which may never come.
+ */
+ smp_rmb();
+ if (status & tp->intr_mask & tp->napi_event) {
+ RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
+ tp->intr_mask = ~tp->napi_event;
+
+ if (likely(napi_schedule_prep(&tp->napi)))
+ __napi_schedule(&tp->napi);
+ else if (netif_msg_intr(tp)) {
+ printk(KERN_INFO "%s: interrupt %04x in poll\n",
+ dev->name, status);
+ }
+ }
- if (unlikely(status & SYSErr)) {
- rtl8169_pcierr_interrupt(dev);
- goto out;
+ /* We only get a new MSI interrupt when all active irq
+ * sources on the chip have been acknowledged. So, ack
+ * everything we've seen and check if new sources have become
+ * active to avoid blocking all interrupts from the chip.
+ */
+ RTL_W16(IntrStatus,
+ (status & RxFIFOOver) ? (status | RxOverflow) : status);
+ status = RTL_R16(IntrStatus);
}
- if (status & LinkChg)
- rtl8169_check_link_status(dev, tp, ioaddr);
-
- if (status & tp->napi_event) {
- RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
- tp->intr_mask = ~tp->napi_event;
-
- if (likely(napi_schedule_prep(&tp->napi)))
- __napi_schedule(&tp->napi);
- else if (netif_msg_intr(tp)) {
- printk(KERN_INFO "%s: interrupt %04x in poll\n",
- dev->name, status);
- }
- }
-out:
return IRQ_RETVAL(handled);
}
@@ -3617,13 +3626,15 @@ static int rtl8169_poll(struct napi_struct *napi, int budget)
if (work_done < budget) {
napi_complete(napi);
- tp->intr_mask = 0xffff;
- /*
- * 20040426: the barrier is not strictly required but the
- * behavior of the irq handler could be less predictable
- * without it. Btw, the lack of flush for the posted pci
- * write is safe - FR
+
+ /* We need for force the visibility of tp->intr_mask
+ * for other CPUs, as we can loose an MSI interrupt
+ * and potentially wait for a retransmit timeout if we don't.
+ * The posted write to IntrMask is safe, as it will
+ * eventually make it to the chip and we won't loose anything
+ * until it does.
*/
+ tp->intr_mask = 0xffff;
smp_wmb();
RTL_W16(IntrMask, tp->intr_event);
}
diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig
index 8ee21030e9ac..dfc6cf765fbd 100644
--- a/drivers/net/usb/Kconfig
+++ b/drivers/net/usb/Kconfig
@@ -180,6 +180,20 @@ config USB_NET_CDCETHER
IEEE 802 "local assignment" bit is set in the address, a "usbX"
name is used instead.
+config USB_NET_CDC_EEM
+ tristate "CDC EEM support"
+ depends on USB_USBNET && EXPERIMENTAL
+ help
+ This option supports devices conforming to the Communication Device
+ Class (CDC) Ethernet Emulation Model, a specification that's easy to
+ implement in device firmware. The CDC EEM specifications are available
+ from <http://www.usb.org/>.
+
+ This driver creates an interface named "ethX", where X depends on
+ what other networking devices you have in use. However, if the
+ IEEE 802 "local assignment" bit is set in the address, a "usbX"
+ name is used instead.
+
config USB_NET_DM9601
tristate "Davicom DM9601 based USB 1.1 10/100 ethernet devices"
depends on USB_USBNET
diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile
index 88a87eeb376a..c8aef62cf2b7 100644
--- a/drivers/net/usb/Makefile
+++ b/drivers/net/usb/Makefile
@@ -9,6 +9,7 @@ obj-$(CONFIG_USB_RTL8150) += rtl8150.o
obj-$(CONFIG_USB_HSO) += hso.o
obj-$(CONFIG_USB_NET_AX8817X) += asix.o
obj-$(CONFIG_USB_NET_CDCETHER) += cdc_ether.o
+obj-$(CONFIG_USB_NET_CDC_EEM) += cdc_eem.o
obj-$(CONFIG_USB_NET_DM9601) += dm9601.o
obj-$(CONFIG_USB_NET_SMSC95XX) += smsc95xx.o
obj-$(CONFIG_USB_NET_GL620A) += gl620a.o
diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c
new file mode 100644
index 000000000000..80e01778dd3b
--- /dev/null
+++ b/drivers/net/usb/cdc_eem.c
@@ -0,0 +1,381 @@
+/*
+ * USB CDC EEM network interface driver
+ * Copyright (C) 2009 Oberthur Technologies
+ * by Omar Laazimani, Olivier Condemine
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ctype.h>
+#include <linux/ethtool.h>
+#include <linux/workqueue.h>
+#include <linux/mii.h>
+#include <linux/usb.h>
+#include <linux/crc32.h>
+#include <linux/usb/cdc.h>
+#include <linux/usb/usbnet.h>
+
+
+/*
+ * This driver is an implementation of the CDC "Ethernet Emulation
+ * Model" (EEM) specification, which encapsulates Ethernet frames
+ * for transport over USB using a simpler USB device model than the
+ * previous CDC "Ethernet Control Model" (ECM, or "CDC Ethernet").
+ *
+ * For details, see www.usb.org/developers/devclass_docs/CDC_EEM10.pdf
+ *
+ * This version has been tested with GIGAntIC WuaoW SIM Smart Card on 2.6.24,
+ * 2.6.27 and 2.6.30rc2 kernel.
+ * It has also been validated on Openmoko Om 2008.12 (based on 2.6.24 kernel).
+ * build on 23-April-2009
+ */
+
+#define EEM_HEAD 2 /* 2 byte header */
+
+/*-------------------------------------------------------------------------*/
+
+static void eem_linkcmd_complete(struct urb *urb)
+{
+ dev_kfree_skb(urb->context);
+ usb_free_urb(urb);
+}
+
+static void eem_linkcmd(struct usbnet *dev, struct sk_buff *skb)
+{
+ struct urb *urb;
+ int status;
+
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!urb)
+ goto fail;
+
+ usb_fill_bulk_urb(urb, dev->udev, dev->out,
+ skb->data, skb->len, eem_linkcmd_complete, skb);
+
+ status = usb_submit_urb(urb, GFP_ATOMIC);
+ if (status) {
+ usb_free_urb(urb);
+fail:
+ dev_kfree_skb(skb);
+ devwarn(dev, "link cmd failure\n");
+ return;
+ }
+}
+
+static int eem_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+ int status = 0;
+
+ status = usbnet_get_endpoints(dev, intf);
+ if (status < 0) {
+ usb_set_intfdata(intf, NULL);
+ usb_driver_release_interface(driver_of(intf), intf);
+ return status;
+ }
+
+ /* no jumbogram (16K) support for now */
+
+ dev->net->hard_header_len += EEM_HEAD + ETH_FCS_LEN;
+
+ return 0;
+}
+
+/*
+ * EEM permits packing multiple Ethernet frames into USB transfers
+ * (a "bundle"), but for TX we don't try to do that.
+ */
+static struct sk_buff *eem_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
+ gfp_t flags)
+{
+ struct sk_buff *skb2 = NULL;
+ u16 len = skb->len;
+ u32 crc = 0;
+ int padlen = 0;
+
+ /* When ((len + EEM_HEAD + ETH_FCS_LEN) % dev->maxpacket) is
+ * zero, stick two bytes of zero length EEM packet on the end.
+ * Else the framework would add invalid single byte padding,
+ * since it can't know whether ZLPs will be handled right by
+ * all the relevant hardware and software.
+ */
+ if (!((len + EEM_HEAD + ETH_FCS_LEN) % dev->maxpacket))
+ padlen += 2;
+
+ if (!skb_cloned(skb)) {
+ int headroom = skb_headroom(skb);
+ int tailroom = skb_tailroom(skb);
+
+ if ((tailroom >= ETH_FCS_LEN + padlen)
+ && (headroom >= EEM_HEAD))
+ goto done;
+
+ if ((headroom + tailroom)
+ > (EEM_HEAD + ETH_FCS_LEN + padlen)) {
+ skb->data = memmove(skb->head +
+ EEM_HEAD,
+ skb->data,
+ skb->len);
+ skb_set_tail_pointer(skb, len);
+ goto done;
+ }
+ }
+
+ skb2 = skb_copy_expand(skb, EEM_HEAD, ETH_FCS_LEN + padlen, flags);
+ if (!skb2)
+ return NULL;
+
+ dev_kfree_skb_any(skb);
+ skb = skb2;
+
+done:
+ /* we don't use the "no Ethernet CRC" option */
+ crc = crc32_le(~0, skb->data, skb->len);
+ crc = ~crc;
+
+ put_unaligned_le32(crc, skb_put(skb, 4));
+
+ /* EEM packet header format:
+ * b0..13: length of ethernet frame
+ * b14: bmCRC (1 == valid Ethernet CRC)
+ * b15: bmType (0 == data)
+ */
+ len = skb->len;
+ put_unaligned_le16(BIT(14) | len, skb_push(skb, 2));
+
+ /* Bundle a zero length EEM packet if needed */
+ if (padlen)
+ put_unaligned_le16(0, skb_put(skb, 2));
+
+ return skb;
+}
+
+static int eem_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+{
+ /*
+ * Our task here is to strip off framing, leaving skb with one
+ * data frame for the usbnet framework code to process. But we
+ * may have received multiple EEM payloads, or command payloads.
+ * So we must process _everything_ as if it's a header, except
+ * maybe the last data payload
+ *
+ * REVISIT the framework needs updating so that when we consume
+ * all payloads (the last or only message was a command, or a
+ * zero length EEM packet) that is not accounted as an rx_error.
+ */
+ do {
+ struct sk_buff *skb2 = NULL;
+ u16 header;
+ u16 len = 0;
+
+ /* incomplete EEM header? */
+ if (skb->len < EEM_HEAD)
+ return 0;
+
+ /*
+ * EEM packet header format:
+ * b0..14: EEM type dependant (Data or Command)
+ * b15: bmType
+ */
+ header = get_unaligned_le16(skb->data);
+ skb_pull(skb, EEM_HEAD);
+
+ /*
+ * The bmType bit helps to denote when EEM
+ * packet is data or command :
+ * bmType = 0 : EEM data payload
+ * bmType = 1 : EEM (link) command
+ */
+ if (header & BIT(15)) {
+ u16 bmEEMCmd;
+
+ /*
+ * EEM (link) command packet:
+ * b0..10: bmEEMCmdParam
+ * b11..13: bmEEMCmd
+ * b14: bmReserved (must be 0)
+ * b15: 1 (EEM command)
+ */
+ if (header & BIT(14)) {
+ devdbg(dev, "reserved command %04x\n", header);
+ continue;
+ }
+
+ bmEEMCmd = (header >> 11) & 0x7;
+ switch (bmEEMCmd) {
+
+ /* Responding to echo requests is mandatory. */
+ case 0: /* Echo command */
+ len = header & 0x7FF;
+
+ /* bogus command? */
+ if (skb->len < len)
+ return 0;
+
+ skb2 = skb_clone(skb, GFP_ATOMIC);
+ if (unlikely(!skb2))
+ goto next;
+ skb_trim(skb2, len);
+ put_unaligned_le16(BIT(15) | (1 << 11) | len,
+ skb_push(skb2, 2));
+ eem_linkcmd(dev, skb2);
+ break;
+
+ /*
+ * Host may choose to ignore hints.
+ * - suspend: peripheral ready to suspend
+ * - response: suggest N millisec polling
+ * - response complete: suggest N sec polling
+ */
+ case 2: /* Suspend hint */
+ case 3: /* Response hint */
+ case 4: /* Response complete hint */
+ continue;
+
+ /*
+ * Hosts should never receive host-to-peripheral
+ * or reserved command codes; or responses to an
+ * echo command we didn't send.
+ */
+ case 1: /* Echo response */
+ case 5: /* Tickle */
+ default: /* reserved */
+ devwarn(dev, "unexpected link command %d\n",
+ bmEEMCmd);
+ continue;
+ }
+
+ } else {
+ u32 crc, crc2;
+ int is_last;
+
+ /* zero length EEM packet? */
+ if (header == 0)
+ continue;
+
+ /*
+ * EEM data packet header :
+ * b0..13: length of ethernet frame
+ * b14: bmCRC
+ * b15: 0 (EEM data)
+ */
+ len = header & 0x3FFF;
+
+ /* bogus EEM payload? */
+ if (skb->len < len)
+ return 0;
+
+ /* bogus ethernet frame? */
+ if (len < (ETH_HLEN + ETH_FCS_LEN))
+ goto next;
+
+ /*
+ * Treat the last payload differently: framework
+ * code expects our "fixup" to have stripped off
+ * headers, so "skb" is a data packet (or error).
+ * Else if it's not the last payload, keep "skb"
+ * for further processing.
+ */
+ is_last = (len == skb->len);
+ if (is_last)
+ skb2 = skb;
+ else {
+ skb2 = skb_clone(skb, GFP_ATOMIC);
+ if (unlikely(!skb2))
+ return 0;
+ }
+
+ crc = get_unaligned_le32(skb2->data
+ + len - ETH_FCS_LEN);
+ skb_trim(skb2, len - ETH_FCS_LEN);
+
+ /*
+ * The bmCRC helps to denote when the CRC field in
+ * the Ethernet frame contains a calculated CRC:
+ * bmCRC = 1 : CRC is calculated
+ * bmCRC = 0 : CRC = 0xDEADBEEF
+ */
+ if (header & BIT(14))
+ crc2 = ~crc32_le(~0, skb2->data, len);
+ else
+ crc2 = 0xdeadbeef;
+
+ if (is_last)
+ return crc == crc2;
+
+ if (unlikely(crc != crc2)) {
+ dev->stats.rx_errors++;
+ dev_kfree_skb_any(skb2);
+ } else
+ usbnet_skb_return(dev, skb2);
+ }
+
+next:
+ skb_pull(skb, len);
+ } while (skb->len);
+
+ return 1;
+}
+
+static const struct driver_info eem_info = {
+ .description = "CDC EEM Device",
+ .flags = FLAG_ETHER,
+ .bind = eem_bind,
+ .rx_fixup = eem_rx_fixup,
+ .tx_fixup = eem_tx_fixup,
+};
+
+/*-------------------------------------------------------------------------*/
+
+static const struct usb_device_id products[] = {
+{
+ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_EEM,
+ USB_CDC_PROTO_EEM),
+ .driver_info = (unsigned long) &eem_info,
+},
+{
+ /* EMPTY == end of list */
+},
+};
+MODULE_DEVICE_TABLE(usb, products);
+
+static struct usb_driver eem_driver = {
+ .name = "cdc_eem",
+ .id_table = products,
+ .probe = usbnet_probe,
+ .disconnect = usbnet_disconnect,
+ .suspend = usbnet_suspend,
+ .resume = usbnet_resume,
+};
+
+
+static int __init eem_init(void)
+{
+ return usb_register(&eem_driver);
+}
+module_init(eem_init);
+
+static void __exit eem_exit(void)
+{
+ usb_deregister(&eem_driver);
+}
+module_exit(eem_exit);
+
+MODULE_AUTHOR("Omar Laazimani <omar.oberthur@gmail.com>");
+MODULE_DESCRIPTION("USB CDC EEM");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index dc1665326592..5a7283372b53 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -941,6 +941,16 @@ static int smsc95xx_reset(struct usbnet *dev)
if (netif_msg_ifup(dev))
devdbg(dev, "ID_REV = 0x%08x", read_buf);
+ /* Configure GPIO pins as LED outputs */
+ write_buf = LED_GPIO_CFG_SPD_LED | LED_GPIO_CFG_LNK_LED |
+ LED_GPIO_CFG_FDX_LED;
+ ret = smsc95xx_write_reg(dev, LED_GPIO_CFG, write_buf);
+ if (ret < 0) {
+ devwarn(dev, "Failed to write LED_GPIO_CFG register, ret=%d",
+ ret);
+ return ret;
+ }
+
/* Init Tx */
write_buf = 0;
ret = smsc95xx_write_reg(dev, FLOW, write_buf);
@@ -1231,6 +1241,11 @@ static const struct usb_device_id products[] = {
USB_DEVICE(0x0424, 0x9500),
.driver_info = (unsigned long) &smsc95xx_info,
},
+ {
+ /* SMSC9512/9514 USB Hub & Ethernet Device */
+ USB_DEVICE(0x0424, 0xec00),
+ .driver_info = (unsigned long) &smsc95xx_info,
+ },
{ }, /* END */
};
MODULE_DEVICE_TABLE(usb, products);
diff --git a/drivers/net/usb/smsc95xx.h b/drivers/net/usb/smsc95xx.h
index 66b5c84f302e..86bc44977fbd 100644
--- a/drivers/net/usb/smsc95xx.h
+++ b/drivers/net/usb/smsc95xx.h
@@ -99,6 +99,9 @@
#define PM_CTL_WUPS_MULTI_ (0x00000003)
#define LED_GPIO_CFG (0x24)
+#define LED_GPIO_CFG_SPD_LED (0x01000000)
+#define LED_GPIO_CFG_LNK_LED (0x00100000)
+#define LED_GPIO_CFG_FDX_LED (0x00010000)
#define GPIO_CFG (0x28)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 9c82a39497e5..4d1d47953fc6 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -616,10 +616,11 @@ static int virtnet_open(struct net_device *dev)
static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd,
struct scatterlist *data, int out, int in)
{
- struct scatterlist sg[VIRTNET_SEND_COMMAND_SG_MAX + 2];
+ struct scatterlist *s, sg[VIRTNET_SEND_COMMAND_SG_MAX + 2];
struct virtio_net_ctrl_hdr ctrl;
virtio_net_ctrl_ack status = ~0;
unsigned int tmp;
+ int i;
if (!virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ)) {
BUG(); /* Caller should know better */
@@ -637,7 +638,8 @@ static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd,
sg_init_table(sg, out + in);
sg_set_buf(&sg[0], &ctrl, sizeof(ctrl));
- memcpy(&sg[1], data, sizeof(struct scatterlist) * (out + in - 2));
+ for_each_sg(data, s, out + in - 2, i)
+ sg_set_buf(&sg[i + 1], sg_virt(s), s->length);
sg_set_buf(&sg[out + in - 1], &status, sizeof(status));
if (vi->cvq->vq_ops->add_buf(vi->cvq, sg, out, in, vi) != 0)
@@ -692,7 +694,7 @@ static void virtnet_set_rx_mode(struct net_device *dev)
promisc = ((dev->flags & IFF_PROMISC) != 0);
allmulti = ((dev->flags & IFF_ALLMULTI) != 0);
- sg_set_buf(sg, &promisc, sizeof(promisc));
+ sg_init_one(sg, &promisc, sizeof(promisc));
if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_RX,
VIRTIO_NET_CTRL_RX_PROMISC,
@@ -700,7 +702,7 @@ static void virtnet_set_rx_mode(struct net_device *dev)
dev_warn(&dev->dev, "Failed to %sable promisc mode.\n",
promisc ? "en" : "dis");
- sg_set_buf(sg, &allmulti, sizeof(allmulti));
+ sg_init_one(sg, &allmulti, sizeof(allmulti));
if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_RX,
VIRTIO_NET_CTRL_RX_ALLMULTI,
@@ -716,6 +718,8 @@ static void virtnet_set_rx_mode(struct net_device *dev)
return;
}
+ sg_init_table(sg, 2);
+
/* Store the unicast list and count in the front of the buffer */
mac_data->entries = dev->uc_count;
addr = dev->uc_list;
@@ -744,24 +748,24 @@ static void virtnet_set_rx_mode(struct net_device *dev)
kfree(buf);
}
-static void virnet_vlan_rx_add_vid(struct net_device *dev, u16 vid)
+static void virtnet_vlan_rx_add_vid(struct net_device *dev, u16 vid)
{
struct virtnet_info *vi = netdev_priv(dev);
struct scatterlist sg;
- sg_set_buf(&sg, &vid, sizeof(vid));
+ sg_init_one(&sg, &vid, sizeof(vid));
if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_VLAN,
VIRTIO_NET_CTRL_VLAN_ADD, &sg, 1, 0))
dev_warn(&dev->dev, "Failed to add VLAN ID %d.\n", vid);
}
-static void virnet_vlan_rx_kill_vid(struct net_device *dev, u16 vid)
+static void virtnet_vlan_rx_kill_vid(struct net_device *dev, u16 vid)
{
struct virtnet_info *vi = netdev_priv(dev);
struct scatterlist sg;
- sg_set_buf(&sg, &vid, sizeof(vid));
+ sg_init_one(&sg, &vid, sizeof(vid));
if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_VLAN,
VIRTIO_NET_CTRL_VLAN_DEL, &sg, 1, 0))
@@ -794,8 +798,8 @@ static const struct net_device_ops virtnet_netdev = {
.ndo_set_mac_address = virtnet_set_mac_address,
.ndo_set_rx_mode = virtnet_set_rx_mode,
.ndo_change_mtu = virtnet_change_mtu,
- .ndo_vlan_rx_add_vid = virnet_vlan_rx_add_vid,
- .ndo_vlan_rx_kill_vid = virnet_vlan_rx_kill_vid,
+ .ndo_vlan_rx_add_vid = virtnet_vlan_rx_add_vid,
+ .ndo_vlan_rx_kill_vid = virtnet_vlan_rx_kill_vid,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = virtnet_netpoll,
#endif
diff --git a/drivers/net/vxge/vxge-traffic.c b/drivers/net/vxge/vxge-traffic.c
index 7be0ae10d69b..c2eeac4125f3 100644
--- a/drivers/net/vxge/vxge-traffic.c
+++ b/drivers/net/vxge/vxge-traffic.c
@@ -115,7 +115,7 @@ enum vxge_hw_status vxge_hw_vpath_intr_enable(struct __vxge_hw_vpath_handle *vp)
VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO1_POISON|
VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO2_POISON|
VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO1_DMA_ERR|
- VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO1_DMA_ERR), 0, 32),
+ VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO2_DMA_ERR), 0, 32),
&vp_reg->kdfcctl_errors_mask);
__vxge_hw_pio_mem_write32_upper(0, &vp_reg->vpath_ppif_int_mask);
diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c
index 3bf7d3f447db..765a7f5d6aa4 100644
--- a/drivers/net/wan/ixp4xx_hss.c
+++ b/drivers/net/wan/ixp4xx_hss.c
@@ -1249,7 +1249,7 @@ static int __devinit hss_init_one(struct platform_device *pdev)
return -ENOMEM;
if ((port->npe = npe_request(0)) == NULL) {
- err = -ENOSYS;
+ err = -ENODEV;
goto err_free;
}
@@ -1311,7 +1311,7 @@ static int __init hss_init_module(void)
if ((ixp4xx_read_feature_bits() &
(IXP4XX_FEATURE_HDLC | IXP4XX_FEATURE_HSS)) !=
(IXP4XX_FEATURE_HDLC | IXP4XX_FEATURE_HSS))
- return -ENOSYS;
+ return -ENODEV;
spin_lock_init(&npe_lock);
diff --git a/drivers/net/wimax/i2400m/rx.c b/drivers/net/wimax/i2400m/rx.c
index 02419bfd64b5..f9fc38902322 100644
--- a/drivers/net/wimax/i2400m/rx.c
+++ b/drivers/net/wimax/i2400m/rx.c
@@ -819,10 +819,9 @@ void i2400m_roq_queue_update_ws(struct i2400m *i2400m, struct i2400m_roq *roq,
roq_data = (struct i2400m_roq_data *) &skb->cb;
i2400m_net_erx(i2400m, skb, roq_data->cs);
}
- else {
+ else
__i2400m_roq_queue(i2400m, roq, skb, sn, nsn);
- __i2400m_roq_update_ws(i2400m, roq, sn + 1);
- }
+ __i2400m_roq_update_ws(i2400m, roq, sn + 1);
i2400m_roq_log_add(i2400m, roq, I2400M_RO_TYPE_PACKET_WS,
old_ws, len, sn, nsn, roq->ws);
}
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index ca4151a9e222..17851321b7fd 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -505,27 +505,52 @@ int i2400mu_suspend(struct usb_interface *iface, pm_message_t pm_msg)
#ifdef CONFIG_PM
struct usb_device *usb_dev = i2400mu->usb_dev;
#endif
+ unsigned is_autosuspend = 0;
struct i2400m *i2400m = &i2400mu->i2400m;
+#ifdef CONFIG_PM
+ if (usb_dev->auto_pm > 0)
+ is_autosuspend = 1;
+#endif
+
d_fnstart(3, dev, "(iface %p pm_msg %u)\n", iface, pm_msg.event);
if (i2400m->updown == 0)
goto no_firmware;
- d_printf(1, dev, "fw up, requesting standby\n");
+ if (i2400m->state == I2400M_SS_DATA_PATH_CONNECTED && is_autosuspend) {
+ /* ugh -- the device is connected and this suspend
+ * request is an autosuspend one (not a system standby
+ * / hibernate).
+ *
+ * The only way the device can go to standby is if the
+ * link with the base station is in IDLE mode; that
+ * were the case, we'd be in status
+ * I2400M_SS_CONNECTED_IDLE. But we are not.
+ *
+ * If we *tell* him to go power save now, it'll reset
+ * as a precautionary measure, so if this is an
+ * autosuspend thing, say no and it'll come back
+ * later, when the link is IDLE
+ */
+ result = -EBADF;
+ d_printf(1, dev, "fw up, link up, not-idle, autosuspend: "
+ "not entering powersave\n");
+ goto error_not_now;
+ }
+ d_printf(1, dev, "fw up: entering powersave\n");
atomic_dec(&i2400mu->do_autopm);
result = i2400m_cmd_enter_powersave(i2400m);
atomic_inc(&i2400mu->do_autopm);
-#ifdef CONFIG_PM
- if (result < 0 && usb_dev->auto_pm == 0) {
+ if (result < 0 && !is_autosuspend) {
/* System suspend, can't fail */
dev_err(dev, "failed to suspend, will reset on resume\n");
result = 0;
}
-#endif
if (result < 0)
goto error_enter_powersave;
i2400mu_notification_release(i2400mu);
- d_printf(1, dev, "fw up, got standby\n");
+ d_printf(1, dev, "powersave requested\n");
error_enter_powersave:
+error_not_now:
no_firmware:
d_fnend(3, dev, "(iface %p pm_msg %u) = %d\n",
iface, pm_msg.event, result);
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index 8a0823588c51..3d94e7dfea69 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -430,6 +430,7 @@ config RTL8187
ASUS P5B Deluxe
Toshiba Satellite Pro series of laptops
Asus Wireless Link
+ Linksys WUSB54GC-EU
Thanks to Realtek for their support!
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index c36d3a3d655f..9eabf4d1f2e7 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -6467,6 +6467,7 @@ static int airo_get_encode(struct net_device *dev,
{
struct airo_info *local = dev->ml_priv;
int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
+ int wep_key_len;
u8 buf[16];
if (!local->wep_capable)
@@ -6500,8 +6501,13 @@ static int airo_get_encode(struct net_device *dev,
dwrq->flags |= index + 1;
/* Copy the key to the user buffer */
- dwrq->length = get_wep_key(local, index, &buf[0], sizeof(buf));
- memcpy(extra, buf, dwrq->length);
+ wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
+ if (wep_key_len < 0) {
+ dwrq->length = 0;
+ } else {
+ dwrq->length = wep_key_len;
+ memcpy(extra, buf, dwrq->length);
+ }
return 0;
}
@@ -6614,7 +6620,7 @@ static int airo_get_encodeext(struct net_device *dev,
struct airo_info *local = dev->ml_priv;
struct iw_point *encoding = &wrqu->encoding;
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
- int idx, max_key_len;
+ int idx, max_key_len, wep_key_len;
u8 buf[16];
if (!local->wep_capable)
@@ -6658,8 +6664,13 @@ static int airo_get_encodeext(struct net_device *dev,
memset(extra, 0, 16);
/* Copy the key to the user buffer */
- ext->key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
- memcpy(extra, buf, ext->key_len);
+ wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
+ if (wep_key_len < 0) {
+ ext->key_len = 0;
+ } else {
+ ext->key_len = wep_key_len;
+ memcpy(extra, buf, ext->key_len);
+ }
return 0;
}
diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c
index 744f4f4dd3d1..8d93ca4651b9 100644
--- a/drivers/net/wireless/at76c50x-usb.c
+++ b/drivers/net/wireless/at76c50x-usb.c
@@ -1873,18 +1873,18 @@ static void at76_dwork_hw_scan(struct work_struct *work)
if (ret != CMD_STATUS_COMPLETE) {
queue_delayed_work(priv->hw->workqueue, &priv->dwork_hw_scan,
SCAN_POLL_INTERVAL);
- goto exit;
+ mutex_unlock(&priv->mtx);
+ return;
}
- ieee80211_scan_completed(priv->hw, false);
-
if (is_valid_ether_addr(priv->bssid))
at76_join(priv);
- ieee80211_wake_queues(priv->hw);
-
-exit:
mutex_unlock(&priv->mtx);
+
+ ieee80211_scan_completed(priv->hw, false);
+
+ ieee80211_wake_queues(priv->hw);
}
static int at76_hw_scan(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index a08bc8a4fb69..32df27a9c7a2 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -214,7 +214,7 @@ static struct pci_driver ath5k_pci_driver = {
* Prototypes - MAC 802.11 stack related functions
*/
static int ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
-static int ath5k_reset(struct ath5k_softc *sc, bool stop, bool change_channel);
+static int ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan);
static int ath5k_reset_wake(struct ath5k_softc *sc);
static int ath5k_start(struct ieee80211_hw *hw);
static void ath5k_stop(struct ieee80211_hw *hw);
@@ -1038,16 +1038,13 @@ ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan)
if (chan->center_freq != sc->curchan->center_freq ||
chan->hw_value != sc->curchan->hw_value) {
- sc->curchan = chan;
- sc->curband = &sc->sbands[chan->band];
-
/*
* To switch channels clear any pending DMA operations;
* wait long enough for the RX fifo to drain, reset the
* hardware at the new frequency, and then re-enable
* the relevant bits of the h/w.
*/
- return ath5k_reset(sc, true, true);
+ return ath5k_reset(sc, chan);
}
return 0;
@@ -2314,7 +2311,7 @@ ath5k_init(struct ath5k_softc *sc)
sc->imask = AR5K_INT_RXOK | AR5K_INT_RXERR | AR5K_INT_RXEOL |
AR5K_INT_RXORN | AR5K_INT_TXDESC | AR5K_INT_TXEOL |
AR5K_INT_FATAL | AR5K_INT_GLOBAL;
- ret = ath5k_reset(sc, false, false);
+ ret = ath5k_reset(sc, NULL);
if (ret)
goto done;
@@ -2599,18 +2596,25 @@ drop_packet:
return NETDEV_TX_OK;
}
+/*
+ * Reset the hardware. If chan is not NULL, then also pause rx/tx
+ * and change to the given channel.
+ */
static int
-ath5k_reset(struct ath5k_softc *sc, bool stop, bool change_channel)
+ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan)
{
struct ath5k_hw *ah = sc->ah;
int ret;
ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "resetting\n");
- if (stop) {
+ if (chan) {
ath5k_hw_set_imr(ah, 0);
ath5k_txq_cleanup(sc);
ath5k_rx_stop(sc);
+
+ sc->curchan = chan;
+ sc->curband = &sc->sbands[chan->band];
}
ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, true);
if (ret) {
@@ -2648,7 +2652,7 @@ ath5k_reset_wake(struct ath5k_softc *sc)
{
int ret;
- ret = ath5k_reset(sc, true, true);
+ ret = ath5k_reset(sc, sc->curchan);
if (!ret)
ieee80211_wake_queues(sc->hw);
diff --git a/drivers/net/wireless/ath5k/debug.c b/drivers/net/wireless/ath5k/debug.c
index 9770bb3d40f9..4904a07e4b59 100644
--- a/drivers/net/wireless/ath5k/debug.c
+++ b/drivers/net/wireless/ath5k/debug.c
@@ -424,7 +424,7 @@ ath5k_debug_dump_bands(struct ath5k_softc *sc)
for (b = 0; b < IEEE80211_NUM_BANDS; b++) {
struct ieee80211_supported_band *band = &sc->sbands[b];
- char bname[5];
+ char bname[6];
switch (band->band) {
case IEEE80211_BAND_2GHZ:
strcpy(bname, "2 GHz");
diff --git a/drivers/net/wireless/ath5k/phy.c b/drivers/net/wireless/ath5k/phy.c
index 9e2faae5ae94..b48b29dca3d2 100644
--- a/drivers/net/wireless/ath5k/phy.c
+++ b/drivers/net/wireless/ath5k/phy.c
@@ -1487,28 +1487,35 @@ ath5k_get_linear_pcdac_min(const u8 *stepL, const u8 *stepR,
{
s8 tmp;
s16 min_pwrL, min_pwrR;
- s16 pwr_i = pwrL[0];
-
- do {
- pwr_i--;
- tmp = (s8) ath5k_get_interpolated_value(pwr_i,
- pwrL[0], pwrL[1],
- stepL[0], stepL[1]);
-
- } while (tmp > 1);
-
- min_pwrL = pwr_i;
-
- pwr_i = pwrR[0];
- do {
- pwr_i--;
- tmp = (s8) ath5k_get_interpolated_value(pwr_i,
- pwrR[0], pwrR[1],
- stepR[0], stepR[1]);
-
- } while (tmp > 1);
+ s16 pwr_i;
+
+ if (pwrL[0] == pwrL[1])
+ min_pwrL = pwrL[0];
+ else {
+ pwr_i = pwrL[0];
+ do {
+ pwr_i--;
+ tmp = (s8) ath5k_get_interpolated_value(pwr_i,
+ pwrL[0], pwrL[1],
+ stepL[0], stepL[1]);
+ } while (tmp > 1);
+
+ min_pwrL = pwr_i;
+ }
- min_pwrR = pwr_i;
+ if (pwrR[0] == pwrR[1])
+ min_pwrR = pwrR[0];
+ else {
+ pwr_i = pwrR[0];
+ do {
+ pwr_i--;
+ tmp = (s8) ath5k_get_interpolated_value(pwr_i,
+ pwrR[0], pwrR[1],
+ stepR[0], stepR[1]);
+ } while (tmp > 1);
+
+ min_pwrR = pwr_i;
+ }
/* Keep the right boundary so that it works for both curves */
return max(min_pwrL, min_pwrR);
diff --git a/drivers/net/wireless/ath5k/reset.c b/drivers/net/wireless/ath5k/reset.c
index 7a17d31b2fd9..5f72c111c2e8 100644
--- a/drivers/net/wireless/ath5k/reset.c
+++ b/drivers/net/wireless/ath5k/reset.c
@@ -26,7 +26,7 @@
\*****************************/
#include <linux/pci.h> /* To determine if a card is pci-e */
-#include <linux/bitops.h> /* For get_bitmask_order */
+#include <linux/log2.h>
#include "ath5k.h"
#include "reg.h"
#include "base.h"
@@ -69,10 +69,10 @@ static inline int ath5k_hw_write_ofdm_timings(struct ath5k_hw *ah,
/* Get exponent
* ALGO: coef_exp = 14 - highest set bit position */
- coef_exp = get_bitmask_order(coef_scaled);
+ coef_exp = ilog2(coef_scaled);
/* Doesn't make sense if it's zero*/
- if (!coef_exp)
+ if (!coef_scaled || !coef_exp)
return -EINVAL;
/* Note: we've shifted coef_scaled by 24 */
@@ -359,7 +359,7 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial)
mode |= AR5K_PHY_MODE_FREQ_5GHZ;
if (ah->ah_radio == AR5K_RF5413)
- clock |= AR5K_PHY_PLL_40MHZ_5413;
+ clock = AR5K_PHY_PLL_40MHZ_5413;
else
clock |= AR5K_PHY_PLL_40MHZ;
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index e5ca2511a81a..9452461ce864 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -46,7 +46,7 @@
#include "iwl-6000-hw.h"
/* Highest firmware API version supported */
-#define IWL5000_UCODE_API_MAX 1
+#define IWL5000_UCODE_API_MAX 2
#define IWL5150_UCODE_API_MAX 2
/* Lowest firmware API version supported */
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index edfa5e149f71..bd438d8acf55 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -101,8 +101,8 @@ struct iwl_cfg iwl6000_2agn_cfg = {
.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
.mod_params = &iwl50_mod_params,
- .valid_tx_ant = ANT_BC,
- .valid_rx_ant = ANT_BC,
+ .valid_tx_ant = ANT_AB,
+ .valid_rx_ant = ANT_AB,
.need_pll_cfg = false,
};
@@ -117,8 +117,8 @@ struct iwl_cfg iwl6050_2agn_cfg = {
.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
.mod_params = &iwl50_mod_params,
- .valid_tx_ant = ANT_BC,
- .valid_rx_ant = ANT_BC,
+ .valid_tx_ant = ANT_AB,
+ .valid_rx_ant = ANT_AB,
.need_pll_cfg = false,
};
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 1ef4192207a5..f46ba2475776 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -669,13 +669,6 @@ static int iwl_set_mode(struct iwl_priv *priv, int mode)
if (!iwl_is_ready_rf(priv))
return -EAGAIN;
- cancel_delayed_work(&priv->scan_check);
- if (iwl_scan_cancel_timeout(priv, 100)) {
- IWL_WARN(priv, "Aborted scan still in progress after 100ms\n");
- IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n");
- return -EAGAIN;
- }
-
iwl_commit_rxon(priv);
return 0;
@@ -3636,7 +3629,9 @@ static struct pci_device_id iwl_hw_card_ids[] = {
{IWL_PCI_DEVICE(0x0085, 0x1112, iwl6000_2ag_cfg)},
{IWL_PCI_DEVICE(0x0082, 0x1122, iwl6000_2ag_cfg)},
{IWL_PCI_DEVICE(0x422B, PCI_ANY_ID, iwl6000_3agn_cfg)},
+ {IWL_PCI_DEVICE(0x422C, PCI_ANY_ID, iwl6000_2agn_cfg)},
{IWL_PCI_DEVICE(0x4238, PCI_ANY_ID, iwl6000_3agn_cfg)},
+ {IWL_PCI_DEVICE(0x4239, PCI_ANY_ID, iwl6000_2agn_cfg)},
{IWL_PCI_DEVICE(0x0082, PCI_ANY_ID, iwl6000_2agn_cfg)},
{IWL_PCI_DEVICE(0x0085, PCI_ANY_ID, iwl6000_3agn_cfg)},
{IWL_PCI_DEVICE(0x0086, PCI_ANY_ID, iwl6050_3agn_cfg)},
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 23644cf884f1..6330b91e37ce 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -227,9 +227,6 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv,
/* The HW is no longer scanning */
clear_bit(STATUS_SCAN_HW, &priv->status);
- /* The scan completion notification came in, so kill that timer... */
- cancel_delayed_work(&priv->scan_check);
-
IWL_DEBUG_INFO(priv, "Scan pass on %sGHz took %dms\n",
(priv->scan_bands & BIT(IEEE80211_BAND_2GHZ)) ?
"2.4" : "5.2",
@@ -712,6 +709,8 @@ static void iwl_bg_request_scan(struct work_struct *data)
mutex_lock(&priv->mutex);
+ cancel_delayed_work(&priv->scan_check);
+
if (!iwl_is_ready(priv)) {
IWL_WARN(priv, "request scan called when driver not ready.\n");
goto done;
@@ -925,11 +924,13 @@ void iwl_bg_scan_completed(struct work_struct *work)
IWL_DEBUG_SCAN(priv, "SCAN complete scan\n");
- if (test_bit(STATUS_EXIT_PENDING, &priv->status))
- return;
+ cancel_delayed_work(&priv->scan_check);
ieee80211_scan_completed(priv->hw, false);
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+ return;
+
/* Since setting the TXPOWER may have been deferred while
* performing the scan, fire one off */
mutex_lock(&priv->mutex);
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index 5798fe49c771..44ab03a12e40 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -719,6 +719,14 @@ static int iwl_set_tkip_dynamic_key_info(struct iwl_priv *priv,
{
unsigned long flags;
int ret = 0;
+ __le16 key_flags = 0;
+
+ key_flags |= (STA_KEY_FLG_TKIP | STA_KEY_FLG_MAP_KEY_MSK);
+ key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
+ key_flags &= ~STA_KEY_FLG_INVALID;
+
+ if (sta_id == priv->hw_params.bcast_sta_id)
+ key_flags |= STA_KEY_MULTICAST_MSK;
keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
@@ -738,6 +746,9 @@ static int iwl_set_tkip_dynamic_key_info(struct iwl_priv *priv,
WARN(priv->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET,
"no space for a new key");
+ priv->stations[sta_id].sta.key.key_flags = key_flags;
+
+
/* This copy is acutally not needed: we get the key with each TX */
memcpy(priv->stations[sta_id].keyinfo.key, keyconf->key, 16);
@@ -754,9 +765,7 @@ void iwl_update_tkip_key(struct iwl_priv *priv,
{
u8 sta_id = IWL_INVALID_STATION;
unsigned long flags;
- __le16 key_flags = 0;
int i;
- DECLARE_MAC_BUF(mac);
sta_id = iwl_find_station(priv, addr);
if (sta_id == IWL_INVALID_STATION) {
@@ -771,16 +780,8 @@ void iwl_update_tkip_key(struct iwl_priv *priv,
return;
}
- key_flags |= (STA_KEY_FLG_TKIP | STA_KEY_FLG_MAP_KEY_MSK);
- key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
- key_flags &= ~STA_KEY_FLG_INVALID;
-
- if (sta_id == priv->hw_params.bcast_sta_id)
- key_flags |= STA_KEY_MULTICAST_MSK;
-
spin_lock_irqsave(&priv->sta_lock, flags);
- priv->stations[sta_id].sta.key.key_flags = key_flags;
priv->stations[sta_id].sta.key.tkip_rx_tsc_byte2 = (u8) iv32;
for (i = 0; i < 5; i++)
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 617c4235d971..ff4d0e41d7c4 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -782,13 +782,6 @@ static int iwl3945_set_mode(struct iwl_priv *priv, int mode)
if (!iwl_is_ready_rf(priv))
return -EAGAIN;
- cancel_delayed_work(&priv->scan_check);
- if (iwl_scan_cancel_timeout(priv, 100)) {
- IWL_WARN(priv, "Aborted scan still in progress after 100ms\n");
- IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n");
- return -EAGAIN;
- }
-
iwl3945_commit_rxon(priv);
return 0;
@@ -1694,7 +1687,6 @@ void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq)
rxq->free_count = 0;
spin_unlock_irqrestore(&rxq->lock, flags);
}
-EXPORT_SYMBOL(iwl3945_rx_queue_reset);
/*
* this should be called while priv->lock is locked
@@ -1745,7 +1737,6 @@ static void iwl3945_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rx
rxq->bd = NULL;
rxq->rb_stts = NULL;
}
-EXPORT_SYMBOL(iwl3945_rx_queue_free);
/* Convert linear signal-to-noise ratio into dB */
@@ -3300,6 +3291,8 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
mutex_lock(&priv->mutex);
+ cancel_delayed_work(&priv->scan_check);
+
if (!iwl_is_ready(priv)) {
IWL_WARN(priv, "request scan called when driver not ready.\n");
goto done;
diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index db91db776508..bebf735cd4bd 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -2558,6 +2558,11 @@ static int rndis_wext_bind(struct usbnet *usbdev, struct usb_interface *intf)
mutex_init(&priv->command_lock);
spin_lock_init(&priv->stats_lock);
+ /* because rndis_command() sleeps we need to use workqueue */
+ priv->workqueue = create_singlethread_workqueue("rndis_wlan");
+ INIT_WORK(&priv->work, rndis_wext_worker);
+ INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
+
/* try bind rndis_host */
retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
if (retval < 0)
@@ -2603,16 +2608,17 @@ static int rndis_wext_bind(struct usbnet *usbdev, struct usb_interface *intf)
disassociate(usbdev, 1);
netif_carrier_off(usbdev->net);
- /* because rndis_command() sleeps we need to use workqueue */
- priv->workqueue = create_singlethread_workqueue("rndis_wlan");
- INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
queue_delayed_work(priv->workqueue, &priv->stats_work,
round_jiffies_relative(STATS_UPDATE_JIFFIES));
- INIT_WORK(&priv->work, rndis_wext_worker);
return 0;
fail:
+ cancel_delayed_work_sync(&priv->stats_work);
+ cancel_work_sync(&priv->work);
+ flush_workqueue(priv->workqueue);
+ destroy_workqueue(priv->workqueue);
+
kfree(priv);
return retval;
}
diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c
index 07d378ef0b46..7b3ee8c2eaef 100644
--- a/drivers/net/wireless/rt2x00/rt2x00debug.c
+++ b/drivers/net/wireless/rt2x00/rt2x00debug.c
@@ -138,7 +138,7 @@ void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev,
if (cipher == CIPHER_TKIP_NO_MIC)
cipher = CIPHER_TKIP;
- if (cipher == CIPHER_NONE || cipher > CIPHER_MAX)
+ if (cipher == CIPHER_NONE || cipher >= CIPHER_MAX)
return;
/* Remove CIPHER_NONE index */
diff --git a/drivers/net/wireless/rtl818x/rtl8187.h b/drivers/net/wireless/rtl818x/rtl8187.h
index 9718f61809cf..edeff82a4d06 100644
--- a/drivers/net/wireless/rtl818x/rtl8187.h
+++ b/drivers/net/wireless/rtl818x/rtl8187.h
@@ -120,6 +120,12 @@ struct rtl8187_priv {
__le64 buf;
struct sk_buff_head queue;
} b_tx_status; /* This queue is used by both -b and non-b devices */
+ struct mutex io_mutex;
+ union {
+ u8 bits8;
+ __le16 bits16;
+ __le32 bits32;
+ } *io_dmabuf;
};
void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
@@ -129,10 +135,14 @@ static inline u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
{
u8 val;
+ mutex_lock(&priv->io_mutex);
usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
- (unsigned long)addr, idx & 0x03, &val,
- sizeof(val), HZ / 2);
+ (unsigned long)addr, idx & 0x03,
+ &priv->io_dmabuf->bits8, sizeof(val), HZ / 2);
+
+ val = priv->io_dmabuf->bits8;
+ mutex_unlock(&priv->io_mutex);
return val;
}
@@ -147,10 +157,14 @@ static inline u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
{
__le16 val;
+ mutex_lock(&priv->io_mutex);
usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
- (unsigned long)addr, idx & 0x03, &val,
- sizeof(val), HZ / 2);
+ (unsigned long)addr, idx & 0x03,
+ &priv->io_dmabuf->bits16, sizeof(val), HZ / 2);
+
+ val = priv->io_dmabuf->bits16;
+ mutex_unlock(&priv->io_mutex);
return le16_to_cpu(val);
}
@@ -165,10 +179,14 @@ static inline u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
{
__le32 val;
+ mutex_lock(&priv->io_mutex);
usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
- (unsigned long)addr, idx & 0x03, &val,
- sizeof(val), HZ / 2);
+ (unsigned long)addr, idx & 0x03,
+ &priv->io_dmabuf->bits32, sizeof(val), HZ / 2);
+
+ val = priv->io_dmabuf->bits32;
+ mutex_unlock(&priv->io_mutex);
return le32_to_cpu(val);
}
@@ -181,10 +199,15 @@ static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
static inline void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
u8 *addr, u8 val, u8 idx)
{
+ mutex_lock(&priv->io_mutex);
+
+ priv->io_dmabuf->bits8 = val;
usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
- (unsigned long)addr, idx & 0x03, &val,
- sizeof(val), HZ / 2);
+ (unsigned long)addr, idx & 0x03,
+ &priv->io_dmabuf->bits8, sizeof(val), HZ / 2);
+
+ mutex_unlock(&priv->io_mutex);
}
static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
@@ -195,12 +218,15 @@ static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
static inline void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
__le16 *addr, u16 val, u8 idx)
{
- __le16 buf = cpu_to_le16(val);
+ mutex_lock(&priv->io_mutex);
+ priv->io_dmabuf->bits16 = cpu_to_le16(val);
usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
- (unsigned long)addr, idx & 0x03, &buf, sizeof(buf),
- HZ / 2);
+ (unsigned long)addr, idx & 0x03,
+ &priv->io_dmabuf->bits16, sizeof(val), HZ / 2);
+
+ mutex_unlock(&priv->io_mutex);
}
static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
@@ -212,12 +238,15 @@ static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
static inline void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
__le32 *addr, u32 val, u8 idx)
{
- __le32 buf = cpu_to_le32(val);
+ mutex_lock(&priv->io_mutex);
+ priv->io_dmabuf->bits32 = cpu_to_le32(val);
usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
- (unsigned long)addr, idx & 0x03, &buf, sizeof(buf),
- HZ / 2);
+ (unsigned long)addr, idx & 0x03,
+ &priv->io_dmabuf->bits32, sizeof(val), HZ / 2);
+
+ mutex_unlock(&priv->io_mutex);
}
static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr,
diff --git a/drivers/net/wireless/rtl818x/rtl8187_dev.c b/drivers/net/wireless/rtl818x/rtl8187_dev.c
index fd81884b9c7d..d51ba0a88c23 100644
--- a/drivers/net/wireless/rtl818x/rtl8187_dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8187_dev.c
@@ -71,6 +71,8 @@ static struct usb_device_id rtl8187_table[] __devinitdata = {
{USB_DEVICE(0x18E8, 0x6232), .driver_info = DEVICE_RTL8187},
/* AirLive */
{USB_DEVICE(0x1b75, 0x8187), .driver_info = DEVICE_RTL8187},
+ /* Linksys */
+ {USB_DEVICE(0x1737, 0x0073), .driver_info = DEVICE_RTL8187B},
{}
};
@@ -1329,6 +1331,14 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
priv = dev->priv;
priv->is_rtl8187b = (id->driver_info == DEVICE_RTL8187B);
+ /* allocate "DMA aware" buffer for register accesses */
+ priv->io_dmabuf = kmalloc(sizeof(*priv->io_dmabuf), GFP_KERNEL);
+ if (!priv->io_dmabuf) {
+ err = -ENOMEM;
+ goto err_free_dev;
+ }
+ mutex_init(&priv->io_mutex);
+
SET_IEEE80211_DEV(dev, &intf->dev);
usb_set_intfdata(intf, dev);
priv->udev = udev;
@@ -1495,7 +1505,7 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
err = ieee80211_register_hw(dev);
if (err) {
printk(KERN_ERR "rtl8187: Cannot register device\n");
- goto err_free_dev;
+ goto err_free_dmabuf;
}
mutex_init(&priv->conf_mutex);
skb_queue_head_init(&priv->b_tx_status.queue);
@@ -1506,6 +1516,8 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
return 0;
+ err_free_dmabuf:
+ kfree(priv->io_dmabuf);
err_free_dev:
ieee80211_free_hw(dev);
usb_set_intfdata(intf, NULL);
@@ -1526,6 +1538,7 @@ static void __devexit rtl8187_disconnect(struct usb_interface *intf)
priv = dev->priv;
usb_reset_device(priv->udev);
usb_put_dev(interface_to_usbdev(intf));
+ kfree(priv->io_dmabuf);
ieee80211_free_hw(dev);
}
diff --git a/drivers/net/wireless/rtl818x/rtl8187_rtl8225.c b/drivers/net/wireless/rtl818x/rtl8187_rtl8225.c
index 78df281b297a..a09819386a1e 100644
--- a/drivers/net/wireless/rtl818x/rtl8187_rtl8225.c
+++ b/drivers/net/wireless/rtl818x/rtl8187_rtl8225.c
@@ -88,9 +88,15 @@ static void rtl8225_write_8051(struct ieee80211_hw *dev, u8 addr, __le16 data)
rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80);
udelay(10);
+ mutex_lock(&priv->io_mutex);
+
+ priv->io_dmabuf->bits16 = data;
usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
- addr, 0x8225, &data, sizeof(data), HZ / 2);
+ addr, 0x8225, &priv->io_dmabuf->bits16, sizeof(data),
+ HZ / 2);
+
+ mutex_unlock(&priv->io_mutex);
rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80 | (1 << 2));
udelay(10);
diff --git a/drivers/parport/parport_gsc.c b/drivers/parport/parport_gsc.c
index e6a7e847ee80..ea31a452b153 100644
--- a/drivers/parport/parport_gsc.c
+++ b/drivers/parport/parport_gsc.c
@@ -352,8 +352,8 @@ static int __devinit parport_init_chip(struct parisc_device *dev)
unsigned long port;
if (!dev->irq) {
- printk(KERN_WARNING "IRQ not found for parallel device at 0x%lx\n",
- dev->hpa.start);
+ printk(KERN_WARNING "IRQ not found for parallel device at 0x%llx\n",
+ (unsigned long long)dev->hpa.start);
return -ENODEV;
}
diff --git a/drivers/parport/share.c b/drivers/parport/share.c
index 0ebca450ed29..dffa5d4fb298 100644
--- a/drivers/parport/share.c
+++ b/drivers/parport/share.c
@@ -614,7 +614,10 @@ parport_register_device(struct parport *port, const char *name,
* pardevice fields. -arca
*/
port->ops->init_state(tmp, tmp->state);
- parport_device_proc_register(tmp);
+ if (!test_and_set_bit(PARPORT_DEVPROC_REGISTERED, &port->devflags)) {
+ port->proc_device = tmp;
+ parport_device_proc_register(tmp);
+ }
return tmp;
out_free_all:
@@ -646,10 +649,14 @@ void parport_unregister_device(struct pardevice *dev)
}
#endif
- parport_device_proc_unregister(dev);
-
port = dev->port->physport;
+ if (port->proc_device == dev) {
+ port->proc_device = NULL;
+ clear_bit(PARPORT_DEVPROC_REGISTERED, &port->devflags);
+ parport_device_proc_unregister(dev);
+ }
+
if (port->cad == dev) {
printk(KERN_DEBUG "%s: %s forgot to release port\n",
port->name, dev->name);
diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index 4fc168b70095..e68d5f20ffb3 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -129,7 +129,6 @@ struct acpiphp_func {
struct acpiphp_bridge *bridge; /* Ejectable PCI-to-PCI bridge */
struct list_head sibling;
- struct pci_dev *pci_dev;
struct notifier_block nb;
acpi_handle handle;
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index a33794d9e0dc..3a6064bce561 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -32,9 +32,6 @@
/*
* Lifetime rules for pci_dev:
- * - The one in acpiphp_func has its refcount elevated by pci_get_slot()
- * when the driver is loaded or when an insertion event occurs. It loses
- * a refcount when its ejected or the driver unloads.
* - The one in acpiphp_bridge has its refcount elevated by pci_get_slot()
* when the bridge is scanned and it loses a refcount when the bridge
* is removed.
@@ -130,6 +127,7 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
unsigned long long adr, sun;
int device, function, retval;
struct pci_bus *pbus = bridge->pci_bus;
+ struct pci_dev *pdev;
if (!acpi_pci_check_ejectable(pbus, handle) && !is_dock_device(handle))
return AE_OK;
@@ -213,10 +211,10 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
newfunc->slot = slot;
list_add_tail(&newfunc->sibling, &slot->funcs);
- /* associate corresponding pci_dev */
- newfunc->pci_dev = pci_get_slot(pbus, PCI_DEVFN(device, function));
- if (newfunc->pci_dev) {
+ pdev = pci_get_slot(pbus, PCI_DEVFN(device, function));
+ if (pdev) {
slot->flags |= (SLOT_ENABLED | SLOT_POWEREDON);
+ pci_dev_put(pdev);
}
if (is_dock_device(handle)) {
@@ -617,7 +615,6 @@ static void cleanup_bridge(struct acpiphp_bridge *bridge)
if (ACPI_FAILURE(status))
err("failed to remove notify handler\n");
}
- pci_dev_put(func->pci_dev);
list_del(list);
kfree(func);
}
@@ -1101,22 +1098,24 @@ static int __ref enable_device(struct acpiphp_slot *slot)
pci_enable_bridges(bus);
pci_bus_add_devices(bus);
- /* associate pci_dev to our representation */
list_for_each (l, &slot->funcs) {
func = list_entry(l, struct acpiphp_func, sibling);
- func->pci_dev = pci_get_slot(bus, PCI_DEVFN(slot->device,
- func->function));
- if (!func->pci_dev)
+ dev = pci_get_slot(bus, PCI_DEVFN(slot->device,
+ func->function));
+ if (!dev)
continue;
- if (func->pci_dev->hdr_type != PCI_HEADER_TYPE_BRIDGE &&
- func->pci_dev->hdr_type != PCI_HEADER_TYPE_CARDBUS)
+ if (dev->hdr_type != PCI_HEADER_TYPE_BRIDGE &&
+ dev->hdr_type != PCI_HEADER_TYPE_CARDBUS) {
+ pci_dev_put(dev);
continue;
+ }
status = find_p2p_bridge(func->handle, (u32)1, bus, NULL);
if (ACPI_FAILURE(status))
warn("find_p2p_bridge failed (error code = 0x%x)\n",
status);
+ pci_dev_put(dev);
}
slot->flags |= SLOT_ENABLED;
@@ -1142,17 +1141,14 @@ static void disable_bridges(struct pci_bus *bus)
*/
static int disable_device(struct acpiphp_slot *slot)
{
- int retval = 0;
struct acpiphp_func *func;
- struct list_head *l;
+ struct pci_dev *pdev;
/* is this slot already disabled? */
if (!(slot->flags & SLOT_ENABLED))
goto err_exit;
- list_for_each (l, &slot->funcs) {
- func = list_entry(l, struct acpiphp_func, sibling);
-
+ list_for_each_entry(func, &slot->funcs, sibling) {
if (func->bridge) {
/* cleanup p2p bridges under this P2P bridge */
cleanup_p2p_bridge(func->bridge->handle,
@@ -1160,35 +1156,28 @@ static int disable_device(struct acpiphp_slot *slot)
func->bridge = NULL;
}
- if (func->pci_dev) {
- pci_stop_bus_device(func->pci_dev);
- if (func->pci_dev->subordinate) {
- disable_bridges(func->pci_dev->subordinate);
- pci_disable_device(func->pci_dev);
+ pdev = pci_get_slot(slot->bridge->pci_bus,
+ PCI_DEVFN(slot->device, func->function));
+ if (pdev) {
+ pci_stop_bus_device(pdev);
+ if (pdev->subordinate) {
+ disable_bridges(pdev->subordinate);
+ pci_disable_device(pdev);
}
+ pci_remove_bus_device(pdev);
+ pci_dev_put(pdev);
}
}
- list_for_each (l, &slot->funcs) {
- func = list_entry(l, struct acpiphp_func, sibling);
-
+ list_for_each_entry(func, &slot->funcs, sibling) {
acpiphp_unconfigure_ioapics(func->handle);
acpiphp_bus_trim(func->handle);
- /* try to remove anyway.
- * acpiphp_bus_add might have been failed */
-
- if (!func->pci_dev)
- continue;
-
- pci_remove_bus_device(func->pci_dev);
- pci_dev_put(func->pci_dev);
- func->pci_dev = NULL;
}
slot->flags &= (~SLOT_ENABLED);
- err_exit:
- return retval;
+err_exit:
+ return 0;
}
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 001b328adf80..a563fbe559d0 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -59,6 +59,10 @@
#define DMA_32BIT_PFN IOVA_PFN(DMA_BIT_MASK(32))
#define DMA_64BIT_PFN IOVA_PFN(DMA_BIT_MASK(64))
+#ifndef PHYSICAL_PAGE_MASK
+#define PHYSICAL_PAGE_MASK PAGE_MASK
+#endif
+
/* global iommu list, set NULL for ignored DMAR units */
static struct intel_iommu **g_iommus;
@@ -1216,7 +1220,7 @@ static void dmar_init_reserved_ranges(void)
if (!r->flags || !(r->flags & IORESOURCE_MEM))
continue;
addr = r->start;
- addr &= PAGE_MASK;
+ addr &= PHYSICAL_PAGE_MASK;
size = r->end - addr;
size = PAGE_ALIGN(size);
iova = reserve_iova(&reserved_iova_list, IOVA_PFN(addr),
@@ -2173,7 +2177,8 @@ static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr,
* is not a big problem
*/
ret = domain_page_mapping(domain, start_paddr,
- ((u64)paddr) & PAGE_MASK, size, prot);
+ ((u64)paddr) & PHYSICAL_PAGE_MASK,
+ size, prot);
if (ret)
goto error;
@@ -2463,8 +2468,8 @@ static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int ne
addr = page_to_phys(sg_page(sg)) + sg->offset;
size = aligned_size((u64)addr, sg->length);
ret = domain_page_mapping(domain, start_addr + offset,
- ((u64)addr) & PAGE_MASK,
- size, prot);
+ ((u64)addr) & PHYSICAL_PAGE_MASK,
+ size, prot);
if (ret) {
/* clear the page */
dma_pte_clear_range(domain, start_addr,
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 6f2e6295e773..362773247fbf 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -455,8 +455,6 @@ static int msix_capability_init(struct pci_dev *dev,
entry->msi_attrib.default_irq = dev->irq;
entry->msi_attrib.pos = pos;
entry->mask_base = base;
- entry->masked = readl(base + j * PCI_MSIX_ENTRY_SIZE +
- PCI_MSIX_ENTRY_VECTOR_CTRL_OFFSET);
msix_mask_irq(entry, 1);
list_add_tail(&entry->list, &dev->msi_list);
@@ -493,6 +491,12 @@ static int msix_capability_init(struct pci_dev *dev,
msix_set_enable(dev, 1);
dev->msix_enabled = 1;
+ list_for_each_entry(entry, &dev->msi_list, list) {
+ int vector = entry->msi_attrib.entry_nr;
+ entry->masked = readl(base + vector * PCI_MSIX_ENTRY_SIZE +
+ PCI_MSIX_ENTRY_VECTOR_CTRL_OFFSET);
+ }
+
return 0;
}
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 34bf0fdf5047..1a91bf9687af 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -557,7 +557,8 @@ static int pci_platform_power_transition(struct pci_dev *dev, pci_power_t state)
} else {
error = -ENODEV;
/* Fall back to PCI_D0 if native PM is not supported */
- pci_update_current_state(dev, PCI_D0);
+ if (!dev->pm_cap)
+ dev->current_state = PCI_D0;
}
return error;
diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h
index c7ad68b6c6d6..aa14482a4779 100644
--- a/drivers/pci/pcie/aer/aerdrv.h
+++ b/drivers/pci/pcie/aer/aerdrv.h
@@ -95,6 +95,9 @@ struct aer_broadcast_data {
static inline pci_ers_result_t merge_result(enum pci_ers_result orig,
enum pci_ers_result new)
{
+ if (new == PCI_ERS_RESULT_NONE)
+ return orig;
+
switch (orig) {
case PCI_ERS_RESULT_CAN_RECOVER:
case PCI_ERS_RESULT_RECOVERED:
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index b924e2463f85..091ce70051e0 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -200,7 +200,7 @@ static int slot_reset_iter(struct device *device, void *data)
static pci_ers_result_t pcie_portdrv_slot_reset(struct pci_dev *dev)
{
- pci_ers_result_t status = PCI_ERS_RESULT_NONE;
+ pci_ers_result_t status = PCI_ERS_RESULT_RECOVERED;
int retval;
/* If fatal, restore cfg space for possible link reset at upstream */
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index e3c3e081b834..f1ae2475ffff 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -745,6 +745,8 @@ int pci_setup_device(struct pci_dev *dev)
/* Early fixups, before probing the BARs */
pci_fixup_device(pci_fixup_early, dev);
+ /* device class may be changed after fixup */
+ class = dev->class >> 8;
switch (dev->hdr_type) { /* header type */
case PCI_HEADER_TYPE_NORMAL: /* standard header */
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index eeafc6c0160d..bfc1a8892a32 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -269,16 +269,16 @@ static struct key_entry asus_keymap[] = {
{KE_KEY, 0x34, KEY_SWITCHVIDEOMODE},
{KE_KEY, 0x40, KEY_PREVIOUSSONG},
{KE_KEY, 0x41, KEY_NEXTSONG},
- {KE_KEY, 0x43, KEY_STOP},
+ {KE_KEY, 0x43, KEY_STOPCD},
{KE_KEY, 0x45, KEY_PLAYPAUSE},
{KE_KEY, 0x50, KEY_EMAIL},
{KE_KEY, 0x51, KEY_WWW},
- {KE_KEY, 0x5C, BTN_EXTRA}, /* Performance */
+ {KE_KEY, 0x5C, KEY_SCREENLOCK}, /* Screenlock */
{KE_KEY, 0x5D, KEY_WLAN},
{KE_KEY, 0x61, KEY_SWITCHVIDEOMODE},
{KE_KEY, 0x6B, BTN_TOUCH}, /* Lock Mouse */
{KE_KEY, 0x82, KEY_CAMERA},
- {KE_KEY, 0x8A, KEY_TV},
+ {KE_KEY, 0x8A, KEY_PROG1},
{KE_KEY, 0x95, KEY_MEDIA},
{KE_KEY, 0x99, KEY_PHONE},
{KE_END, 0},
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index 6f54fd1757cd..353a898c3693 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -158,6 +158,7 @@ enum { KE_KEY, KE_END };
static struct key_entry eeepc_keymap[] = {
/* Sleep already handled via generic ACPI code */
{KE_KEY, 0x10, KEY_WLAN },
+ {KE_KEY, 0x11, KEY_WLAN },
{KE_KEY, 0x12, KEY_PROG1 },
{KE_KEY, 0x13, KEY_MUTE },
{KE_KEY, 0x14, KEY_VOLUMEDOWN },
@@ -166,6 +167,8 @@ static struct key_entry eeepc_keymap[] = {
{KE_KEY, 0x1b, KEY_ZOOM },
{KE_KEY, 0x1c, KEY_PROG2 },
{KE_KEY, 0x1d, KEY_PROG3 },
+ {KE_KEY, NOTIFY_BRN_MIN, KEY_BRIGHTNESSDOWN },
+ {KE_KEY, NOTIFY_BRN_MIN + 2, KEY_BRIGHTNESSUP },
{KE_KEY, 0x30, KEY_SWITCHVIDEOMODE },
{KE_KEY, 0x31, KEY_SWITCHVIDEOMODE },
{KE_KEY, 0x32, KEY_SWITCHVIDEOMODE },
@@ -381,11 +384,13 @@ static ssize_t show_sys_acpi(int cm, char *buf)
EEEPC_CREATE_DEVICE_ATTR(camera, CM_ASL_CAMERA);
EEEPC_CREATE_DEVICE_ATTR(cardr, CM_ASL_CARDREADER);
EEEPC_CREATE_DEVICE_ATTR(disp, CM_ASL_DISPLAYSWITCH);
+EEEPC_CREATE_DEVICE_ATTR(cpufv, CM_ASL_CPUFV);
static struct attribute *platform_attributes[] = {
&dev_attr_camera.attr,
&dev_attr_cardr.attr,
&dev_attr_disp.attr,
+ &dev_attr_cpufv.attr,
NULL
};
@@ -512,15 +517,21 @@ static int eeepc_hotk_check(void)
return 0;
}
-static void notify_brn(void)
+static int notify_brn(void)
{
+ /* returns the *previous* brightness, or -1 */
struct backlight_device *bd = eeepc_backlight_device;
- if (bd)
+ if (bd) {
+ int old = bd->props.brightness;
bd->props.brightness = read_brightness(bd);
+ return old;
+ }
+ return -1;
}
static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data)
{
+ enum rfkill_state state;
struct pci_dev *dev;
struct pci_bus *bus = pci_find_bus(0, 1);
@@ -532,7 +543,9 @@ static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data)
return;
}
- if (get_acpi(CM_ASL_WLAN) == 1) {
+ eeepc_wlan_rfkill_state(ehotk->eeepc_wlan_rfkill, &state);
+
+ if (state == RFKILL_STATE_UNBLOCKED) {
dev = pci_get_slot(bus, 0);
if (dev) {
/* Device already present */
@@ -552,23 +565,41 @@ static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data)
pci_dev_put(dev);
}
}
+
+ rfkill_force_state(ehotk->eeepc_wlan_rfkill, state);
}
static void eeepc_hotk_notify(acpi_handle handle, u32 event, void *data)
{
static struct key_entry *key;
u16 count;
+ int brn = -ENODEV;
if (!ehotk)
return;
if (event >= NOTIFY_BRN_MIN && event <= NOTIFY_BRN_MAX)
- notify_brn();
+ brn = notify_brn();
count = ehotk->event_count[event % 128]++;
acpi_bus_generate_proc_event(ehotk->device, event, count);
acpi_bus_generate_netlink_event(ehotk->device->pnp.device_class,
dev_name(&ehotk->device->dev), event,
count);
if (ehotk->inputdev) {
+ if (brn != -ENODEV) {
+ /* brightness-change events need special
+ * handling for conversion to key events
+ */
+ if (brn < 0)
+ brn = event;
+ else
+ brn += NOTIFY_BRN_MIN;
+ if (event < brn)
+ event = NOTIFY_BRN_MIN; /* brightness down */
+ else if (event > brn)
+ event = NOTIFY_BRN_MIN + 2; /* ... up */
+ else
+ event = NOTIFY_BRN_MIN + 1; /* ... unchanged */
+ }
key = eepc_get_entry_by_scancode(event);
if (key) {
switch (key->type) {
@@ -649,6 +680,9 @@ static int eeepc_hotk_add(struct acpi_device *device)
if (ACPI_FAILURE(status))
printk(EEEPC_ERR "Error installing notify handler\n");
+ eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P6");
+ eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P7");
+
if (get_acpi(CM_ASL_WLAN) != -1) {
ehotk->eeepc_wlan_rfkill = rfkill_allocate(&device->dev,
RFKILL_TYPE_WLAN);
@@ -704,9 +738,6 @@ static int eeepc_hotk_add(struct acpi_device *device)
goto bluetooth_fail;
}
- eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P6");
- eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P7");
-
return 0;
bluetooth_fail:
@@ -717,6 +748,8 @@ static int eeepc_hotk_add(struct acpi_device *device)
wlan_fail:
if (ehotk->eeepc_wlan_rfkill)
rfkill_free(ehotk->eeepc_wlan_rfkill);
+ eeepc_unregister_rfkill_notifier("\\_SB.PCI0.P0P6");
+ eeepc_unregister_rfkill_notifier("\\_SB.PCI0.P0P7");
ehotk_fail:
kfree(ehotk);
ehotk = NULL;
diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index 9a3a682c6981..9496494f340e 100644
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -110,11 +110,9 @@ static int pnpacpi_disable_resources(struct pnp_dev *dev)
/* acpi_unregister_gsi(pnp_irq(dev, 0)); */
ret = 0;
- if (acpi_bus_power_manageable(handle)) {
- ret = acpi_bus_set_power(handle, ACPI_STATE_D3);
- if (ret)
- return ret;
- }
+ if (acpi_bus_power_manageable(handle))
+ acpi_bus_set_power(handle, ACPI_STATE_D3);
+ /* continue even if acpi_bus_set_power() fails */
if (ACPI_FAILURE(acpi_evaluate_object(handle, "_DIS", NULL, NULL)))
ret = -ENODEV;
return ret;
diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c
index 72b15495183c..c6628f5a0af7 100644
--- a/drivers/regulator/da903x.c
+++ b/drivers/regulator/da903x.c
@@ -497,7 +497,7 @@ static struct platform_driver da903x_regulator_driver = {
.owner = THIS_MODULE,
},
.probe = da903x_regulator_probe,
- .remove = da903x_regulator_remove,
+ .remove = __devexit_p(da903x_regulator_remove),
};
static int __init da903x_regulator_init(void)
diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c
index 826153552157..aaf1f75fa293 100644
--- a/drivers/rtc/rtc-pl030.c
+++ b/drivers/rtc/rtc-pl030.c
@@ -102,7 +102,7 @@ static const struct rtc_class_ops pl030_ops = {
.set_alarm = pl030_set_alarm,
};
-static int pl030_probe(struct amba_device *dev, void *id)
+static int pl030_probe(struct amba_device *dev, struct amba_id *id)
{
struct pl030_rtc *rtc;
int ret;
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index 333eec689d2f..451fc13784d1 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -127,7 +127,7 @@ static int pl031_remove(struct amba_device *adev)
return 0;
}
-static int pl031_probe(struct amba_device *adev, void *id)
+static int pl031_probe(struct amba_device *adev, struct amba_id *id)
{
int ret;
struct pl031_local *ldata;
diff --git a/drivers/rtc/rtc-twl4030.c b/drivers/rtc/rtc-twl4030.c
index a6341e4f9a0f..9c8c70c497dc 100644
--- a/drivers/rtc/rtc-twl4030.c
+++ b/drivers/rtc/rtc-twl4030.c
@@ -495,9 +495,7 @@ static int twl4030_rtc_suspend(struct platform_device *pdev, pm_message_t state)
{
irqstat = rtc_irq_bits;
- /* REVISIT alarm may need to wake us from sleep */
- mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M |
- BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);
+ mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M);
return 0;
}
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 616c60ffcf2c..3ac27ee47396 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -97,9 +97,7 @@ static void __init zfcp_init_device_configure(char *busid, u64 wwpn, u64 lun)
ccw_device_set_online(adapter->ccw_device);
zfcp_erp_wait(adapter);
- wait_event(adapter->erp_done_wqh,
- !(atomic_read(&unit->status) &
- ZFCP_STATUS_UNIT_SCSI_WORK_PENDING));
+ flush_work(&unit->scsi_work);
down(&zfcp_data.config_sema);
zfcp_unit_put(unit);
@@ -279,6 +277,7 @@ struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, u64 fcp_lun)
atomic_set(&unit->refcount, 0);
init_waitqueue_head(&unit->remove_wq);
+ INIT_WORK(&unit->scsi_work, zfcp_scsi_scan);
unit->port = port;
unit->fcp_lun = fcp_lun;
@@ -525,6 +524,8 @@ int zfcp_adapter_enqueue(struct ccw_device *ccw_device)
atomic_clear_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status);
+ zfcp_fc_nameserver_init(adapter);
+
if (!zfcp_adapter_scsi_register(adapter))
return 0;
@@ -553,7 +554,6 @@ void zfcp_adapter_dequeue(struct zfcp_adapter *adapter)
cancel_work_sync(&adapter->scan_work);
cancel_work_sync(&adapter->stat_work);
- cancel_delayed_work_sync(&adapter->nsp.work);
zfcp_adapter_scsi_unregister(adapter);
sysfs_remove_group(&adapter->ccw_device->dev.kobj,
&zfcp_sysfs_adapter_attrs);
@@ -671,8 +671,7 @@ void zfcp_port_dequeue(struct zfcp_port *port)
list_del(&port->list);
write_unlock_irq(&zfcp_data.config_lock);
if (port->rport)
- fc_remote_port_delete(port->rport);
- port->rport = NULL;
+ port->rport->dd_data = NULL;
zfcp_adapter_put(port->adapter);
sysfs_remove_group(&port->sysfs_device.kobj, &zfcp_sysfs_port_attrs);
device_unregister(&port->sysfs_device);
diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c
index cfb0dcb6e3ff..733fe3bf6285 100644
--- a/drivers/s390/scsi/zfcp_ccw.c
+++ b/drivers/s390/scsi/zfcp_ccw.c
@@ -108,7 +108,6 @@ static int zfcp_ccw_set_online(struct ccw_device *ccw_device)
/* initialize request counter */
BUG_ON(!zfcp_reqlist_isempty(adapter));
adapter->req_no = 0;
- zfcp_fc_nameserver_init(adapter);
zfcp_erp_modify_adapter_status(adapter, "ccsonl1", NULL,
ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET);
diff --git a/drivers/s390/scsi/zfcp_cfdc.c b/drivers/s390/scsi/zfcp_cfdc.c
index 10cbfd172a28..8305c874e86f 100644
--- a/drivers/s390/scsi/zfcp_cfdc.c
+++ b/drivers/s390/scsi/zfcp_cfdc.c
@@ -4,7 +4,7 @@
* Userspace interface for accessing the
* Access Control Lists / Control File Data Channel
*
- * Copyright IBM Corporation 2008
+ * Copyright IBM Corporation 2008, 2009
*/
#define KMSG_COMPONENT "zfcp"
@@ -197,6 +197,7 @@ static long zfcp_cfdc_dev_ioctl(struct file *file, unsigned int command,
retval = -ENXIO;
goto free_buffer;
}
+ zfcp_adapter_get(adapter);
retval = zfcp_cfdc_sg_setup(data->command, fsf_cfdc->sg,
data_user->control_file);
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index a0318630f047..4c362a9069f0 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -255,7 +255,6 @@ enum zfcp_wka_status {
/* logical unit status */
#define ZFCP_STATUS_UNIT_SHARED 0x00000004
#define ZFCP_STATUS_UNIT_READONLY 0x00000008
-#define ZFCP_STATUS_UNIT_SCSI_WORK_PENDING 0x00000020
/* FSF request status (this does not have a common part) */
#define ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT 0x00000002
@@ -530,6 +529,7 @@ struct zfcp_unit {
struct zfcp_erp_action erp_action; /* pending error recovery */
atomic_t erp_counter;
struct zfcp_latencies latencies;
+ struct work_struct scsi_work;
};
/* FSF request */
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 631bdb1dfd6c..fdc9b4352a64 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -719,6 +719,7 @@ static void zfcp_erp_adapter_strategy_close(struct zfcp_erp_action *act)
zfcp_qdio_close(adapter);
zfcp_fsf_req_dismiss_all(adapter);
adapter->fsf_req_seq_no = 0;
+ zfcp_fc_wka_port_force_offline(&adapter->nsp);
/* all ports and units are closed */
zfcp_erp_modify_adapter_status(adapter, "erascl1", NULL,
ZFCP_STATUS_COMMON_OPEN, ZFCP_CLEAR);
@@ -1176,48 +1177,6 @@ static void zfcp_erp_action_dequeue(struct zfcp_erp_action *erp_action)
}
}
-struct zfcp_erp_add_work {
- struct zfcp_unit *unit;
- struct work_struct work;
-};
-
-static void zfcp_erp_scsi_scan(struct work_struct *work)
-{
- struct zfcp_erp_add_work *p =
- container_of(work, struct zfcp_erp_add_work, work);
- struct zfcp_unit *unit = p->unit;
- struct fc_rport *rport = unit->port->rport;
-
- if (rport && rport->port_state == FC_PORTSTATE_ONLINE)
- scsi_scan_target(&rport->dev, 0, rport->scsi_target_id,
- scsilun_to_int((struct scsi_lun *)&unit->fcp_lun), 0);
- atomic_clear_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, &unit->status);
- zfcp_unit_put(unit);
- wake_up(&unit->port->adapter->erp_done_wqh);
- kfree(p);
-}
-
-static void zfcp_erp_schedule_work(struct zfcp_unit *unit)
-{
- struct zfcp_erp_add_work *p;
-
- p = kzalloc(sizeof(*p), GFP_KERNEL);
- if (!p) {
- dev_err(&unit->port->adapter->ccw_device->dev,
- "Registering unit 0x%016Lx on port 0x%016Lx failed\n",
- (unsigned long long)unit->fcp_lun,
- (unsigned long long)unit->port->wwpn);
- return;
- }
-
- zfcp_unit_get(unit);
- atomic_set_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, &unit->status);
- INIT_WORK(&p->work, zfcp_erp_scsi_scan);
- p->unit = unit;
- if (!queue_work(zfcp_data.work_queue, &p->work))
- zfcp_unit_put(unit);
-}
-
static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result)
{
struct zfcp_adapter *adapter = act->adapter;
@@ -1226,11 +1185,11 @@ static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result)
switch (act->action) {
case ZFCP_ERP_ACTION_REOPEN_UNIT:
- flush_work(&port->rport_work);
if ((result == ZFCP_ERP_SUCCEEDED) && !unit->device) {
- if (!(atomic_read(&unit->status) &
- ZFCP_STATUS_UNIT_SCSI_WORK_PENDING))
- zfcp_erp_schedule_work(unit);
+ zfcp_unit_get(unit);
+ if (scsi_queue_work(unit->port->adapter->scsi_host,
+ &unit->scsi_work) <= 0)
+ zfcp_unit_put(unit);
}
zfcp_unit_put(unit);
break;
@@ -1352,6 +1311,11 @@ static int zfcp_erp_thread(void *data)
while (!(atomic_read(&adapter->status) &
ZFCP_STATUS_ADAPTER_ERP_THREAD_KILL)) {
+
+ zfcp_rec_dbf_event_thread_lock("erthrd1", adapter);
+ ignore = down_interruptible(&adapter->erp_ready_sem);
+ zfcp_rec_dbf_event_thread_lock("erthrd2", adapter);
+
write_lock_irqsave(&adapter->erp_lock, flags);
next = adapter->erp_ready_head.next;
write_unlock_irqrestore(&adapter->erp_lock, flags);
@@ -1363,10 +1327,6 @@ static int zfcp_erp_thread(void *data)
if (zfcp_erp_strategy(act) != ZFCP_ERP_DISMISSED)
zfcp_erp_wakeup(adapter);
}
-
- zfcp_rec_dbf_event_thread_lock("erthrd1", adapter);
- ignore = down_interruptible(&adapter->erp_ready_sem);
- zfcp_rec_dbf_event_thread_lock("erthrd2", adapter);
}
atomic_clear_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP, &adapter->status);
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index f6399ca97bcb..2e31b536548c 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -106,6 +106,7 @@ extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *);
extern void zfcp_test_link(struct zfcp_port *);
extern void zfcp_fc_link_test_work(struct work_struct *);
extern void zfcp_fc_nameserver_init(struct zfcp_adapter *);
+extern void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *);
/* zfcp_fsf.c */
extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
@@ -158,6 +159,7 @@ extern void zfcp_scsi_rport_work(struct work_struct *);
extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
+extern void zfcp_scsi_scan(struct work_struct *);
/* zfcp_sysfs.c */
extern struct attribute_group zfcp_sysfs_unit_attrs;
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index e8d032b9dfbd..19ae0842047c 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -98,13 +98,6 @@ static void zfcp_wka_port_offline(struct work_struct *work)
struct zfcp_wka_port *wka_port =
container_of(dw, struct zfcp_wka_port, work);
- /* Don't wait forvever. If the wka_port is too busy take it offline
- through a new call later */
- if (!wait_event_timeout(wka_port->completion_wq,
- atomic_read(&wka_port->refcount) == 0,
- HZ >> 1))
- return;
-
mutex_lock(&wka_port->mutex);
if ((atomic_read(&wka_port->refcount) != 0) ||
(wka_port->status != ZFCP_WKA_PORT_ONLINE))
@@ -142,6 +135,14 @@ void zfcp_fc_nameserver_init(struct zfcp_adapter *adapter)
INIT_DELAYED_WORK(&wka_port->work, zfcp_wka_port_offline);
}
+void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *wka)
+{
+ cancel_delayed_work_sync(&wka->work);
+ mutex_lock(&wka->mutex);
+ wka->status = ZFCP_WKA_PORT_OFFLINE;
+ mutex_unlock(&wka->mutex);
+}
+
static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range,
struct fcp_rscn_element *elem)
{
@@ -372,7 +373,8 @@ static void zfcp_fc_adisc_handler(unsigned long data)
if (adisc->els.status) {
/* request rejected or timed out */
- zfcp_erp_port_forced_reopen(port, 0, "fcadh_1", NULL);
+ zfcp_erp_port_forced_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED,
+ "fcadh_1", NULL);
goto out;
}
@@ -431,11 +433,6 @@ void zfcp_fc_link_test_work(struct work_struct *work)
container_of(work, struct zfcp_port, test_link_work);
int retval;
- if (!(atomic_read(&port->status) & ZFCP_STATUS_COMMON_UNBLOCKED)) {
- zfcp_port_put(port);
- return; /* port erp is running and will update rport status */
- }
-
zfcp_port_get(port);
port->rport_task = RPORT_DEL;
zfcp_scsi_rport_work(&port->rport_work);
@@ -542,6 +539,9 @@ static void zfcp_validate_port(struct zfcp_port *port)
{
struct zfcp_adapter *adapter = port->adapter;
+ if (!(atomic_read(&port->status) & ZFCP_STATUS_COMMON_NOESC))
+ return;
+
atomic_clear_mask(ZFCP_STATUS_COMMON_NOESC, &port->status);
if ((port->supported_classes != 0) ||
@@ -602,10 +602,8 @@ static int zfcp_scan_eval_gpn_ft(struct zfcp_gpn_ft *gpn_ft, int max_entries)
if (acc->wwpn == fc_host_port_name(adapter->scsi_host))
continue;
port = zfcp_get_port_by_wwpn(adapter, acc->wwpn);
- if (port) {
- zfcp_port_get(port);
+ if (port)
continue;
- }
port = zfcp_port_enqueue(adapter, acc->wwpn,
ZFCP_STATUS_COMMON_NOESC, d_id);
@@ -637,7 +635,8 @@ int zfcp_scan_ports(struct zfcp_adapter *adapter)
max_entries = chain ? ZFCP_GPN_FT_MAX_ENTRIES : ZFCP_GPN_FT_ENTRIES;
max_bytes = chain ? ZFCP_GPN_FT_MAX_SIZE : ZFCP_CT_SIZE_ONE_PAGE;
- if (fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPORT)
+ if (fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPORT &&
+ fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPIV)
return 0;
ret = zfcp_wka_port_get(&adapter->nsp);
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index b29f3121b666..74dee32afba8 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -172,12 +172,16 @@ static void zfcp_fsf_link_down_info_eval(struct zfcp_fsf_req *req, char *id,
struct fsf_link_down_info *link_down)
{
struct zfcp_adapter *adapter = req->adapter;
+ unsigned long flags;
if (atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED)
return;
atomic_set_mask(ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED, &adapter->status);
+
+ read_lock_irqsave(&zfcp_data.config_lock, flags);
zfcp_scsi_schedule_rports_block(adapter);
+ read_unlock_irqrestore(&zfcp_data.config_lock, flags);
if (!link_down)
goto out;
@@ -645,30 +649,30 @@ static void zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *req)
}
}
-static int zfcp_fsf_req_sbal_get(struct zfcp_adapter *adapter)
- __releases(&adapter->req_q_lock)
- __acquires(&adapter->req_q_lock)
+static int zfcp_fsf_sbal_check(struct zfcp_adapter *adapter)
{
struct zfcp_qdio_queue *req_q = &adapter->req_q;
- long ret;
- if (atomic_read(&req_q->count) <= -REQUEST_LIST_SIZE)
- return -EIO;
- if (atomic_read(&req_q->count) > 0)
- return 0;
+ spin_lock_bh(&adapter->req_q_lock);
+ if (atomic_read(&req_q->count))
+ return 1;
+ spin_unlock_bh(&adapter->req_q_lock);
+ return 0;
+}
+
+static int zfcp_fsf_req_sbal_get(struct zfcp_adapter *adapter)
+{
+ long ret;
- atomic_dec(&req_q->count);
spin_unlock_bh(&adapter->req_q_lock);
ret = wait_event_interruptible_timeout(adapter->request_wq,
- atomic_read(&req_q->count) >= 0,
- 5 * HZ);
- spin_lock_bh(&adapter->req_q_lock);
- atomic_inc(&req_q->count);
-
+ zfcp_fsf_sbal_check(adapter), 5 * HZ);
if (ret > 0)
return 0;
if (!ret)
atomic_inc(&adapter->qdio_outb_full);
+
+ spin_lock_bh(&adapter->req_q_lock);
return -EIO;
}
@@ -766,8 +770,9 @@ static struct zfcp_fsf_req *zfcp_fsf_req_create(struct zfcp_adapter *adapter,
static int zfcp_fsf_req_send(struct zfcp_fsf_req *req)
{
struct zfcp_adapter *adapter = req->adapter;
- unsigned long flags;
- int idx;
+ unsigned long flags;
+ int idx;
+ int with_qtcb = (req->qtcb != NULL);
/* put allocated FSF request into hash table */
spin_lock_irqsave(&adapter->req_list_lock, flags);
@@ -789,7 +794,7 @@ static int zfcp_fsf_req_send(struct zfcp_fsf_req *req)
}
/* Don't increase for unsolicited status */
- if (req->qtcb)
+ if (with_qtcb)
adapter->fsf_req_seq_no++;
adapter->req_no++;
@@ -1253,13 +1258,13 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter,
spin_lock_bh(&adapter->req_q_lock);
if (zfcp_fsf_req_sbal_get(adapter))
- goto out;
+ goto out_unlock;
req = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_CONFIG_DATA,
0, NULL);
if (IS_ERR(req)) {
retval = PTR_ERR(req);
- goto out;
+ goto out_unlock;
}
sbale = zfcp_qdio_sbale_req(req);
@@ -1278,14 +1283,16 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter,
zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT);
retval = zfcp_fsf_req_send(req);
-out:
spin_unlock_bh(&adapter->req_q_lock);
if (!retval)
wait_event(req->completion_wq,
req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
zfcp_fsf_req_free(req);
+ return retval;
+out_unlock:
+ spin_unlock_bh(&adapter->req_q_lock);
return retval;
}
@@ -1352,13 +1359,13 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter,
spin_lock_bh(&adapter->req_q_lock);
if (zfcp_fsf_req_sbal_get(adapter))
- goto out;
+ goto out_unlock;
req = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_PORT_DATA, 0,
NULL);
if (IS_ERR(req)) {
retval = PTR_ERR(req);
- goto out;
+ goto out_unlock;
}
if (data)
@@ -1371,14 +1378,18 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter,
req->handler = zfcp_fsf_exchange_port_data_handler;
zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT);
retval = zfcp_fsf_req_send(req);
-out:
spin_unlock_bh(&adapter->req_q_lock);
+
if (!retval)
wait_event(req->completion_wq,
req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
zfcp_fsf_req_free(req);
return retval;
+
+out_unlock:
+ spin_unlock_bh(&adapter->req_q_lock);
+ return retval;
}
static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req)
@@ -2472,8 +2483,6 @@ out:
static void zfcp_fsf_control_file_handler(struct zfcp_fsf_req *req)
{
- if (req->qtcb->header.fsf_status != FSF_GOOD)
- req->status |= ZFCP_STATUS_FSFREQ_ERROR;
}
/**
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 58201e1ae478..e8fbeaeb5fbf 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -171,7 +171,7 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
write_unlock_irqrestore(&adapter->abort_lock, flags);
zfcp_scsi_dbf_event_abort("lte1", adapter, scpnt, NULL,
old_req_id);
- return SUCCESS;
+ return FAILED; /* completion could be in progress */
}
old_req->data = NULL;
@@ -486,10 +486,12 @@ static void zfcp_set_rport_dev_loss_tmo(struct fc_rport *rport, u32 timeout)
*/
static void zfcp_scsi_dev_loss_tmo_callbk(struct fc_rport *rport)
{
- struct zfcp_port *port = rport->dd_data;
+ struct zfcp_port *port;
write_lock_irq(&zfcp_data.config_lock);
- port->rport = NULL;
+ port = rport->dd_data;
+ if (port)
+ port->rport = NULL;
write_unlock_irq(&zfcp_data.config_lock);
}
@@ -503,9 +505,18 @@ static void zfcp_scsi_dev_loss_tmo_callbk(struct fc_rport *rport)
*/
static void zfcp_scsi_terminate_rport_io(struct fc_rport *rport)
{
- struct zfcp_port *port = rport->dd_data;
+ struct zfcp_port *port;
+
+ write_lock_irq(&zfcp_data.config_lock);
+ port = rport->dd_data;
+ if (port)
+ zfcp_port_get(port);
+ write_unlock_irq(&zfcp_data.config_lock);
- zfcp_erp_port_reopen(port, 0, "sctrpi1", NULL);
+ if (port) {
+ zfcp_erp_port_reopen(port, 0, "sctrpi1", NULL);
+ zfcp_port_put(port);
+ }
}
static void zfcp_scsi_rport_register(struct zfcp_port *port)
@@ -534,8 +545,10 @@ static void zfcp_scsi_rport_register(struct zfcp_port *port)
static void zfcp_scsi_rport_block(struct zfcp_port *port)
{
- if (port->rport)
- fc_remote_port_delete(port->rport);
+ struct fc_rport *rport = port->rport;
+
+ if (rport)
+ fc_remote_port_delete(rport);
}
void zfcp_scsi_schedule_rport_register(struct zfcp_port *port)
@@ -583,6 +596,23 @@ void zfcp_scsi_rport_work(struct work_struct *work)
}
+void zfcp_scsi_scan(struct work_struct *work)
+{
+ struct zfcp_unit *unit = container_of(work, struct zfcp_unit,
+ scsi_work);
+ struct fc_rport *rport;
+
+ flush_work(&unit->port->rport_work);
+ rport = unit->port->rport;
+
+ if (rport && rport->port_state == FC_PORTSTATE_ONLINE)
+ scsi_scan_target(&rport->dev, 0, rport->scsi_target_id,
+ scsilun_to_int((struct scsi_lun *)
+ &unit->fcp_lun), 0);
+
+ zfcp_unit_put(unit);
+}
+
struct fc_function_template zfcp_transport_functions = {
.show_starget_port_id = 1,
.show_starget_port_name = 1,
diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c
index 9a3b8e261c0a..3e51e64d1108 100644
--- a/drivers/s390/scsi/zfcp_sysfs.c
+++ b/drivers/s390/scsi/zfcp_sysfs.c
@@ -254,12 +254,21 @@ static ssize_t zfcp_sysfs_unit_remove_store(struct device *dev,
write_lock_irq(&zfcp_data.config_lock);
unit = zfcp_get_unit_by_lun(port, fcp_lun);
- if (unit && (atomic_read(&unit->refcount) == 0)) {
- zfcp_unit_get(unit);
- atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &unit->status);
- list_move(&unit->list, &unit_remove_lh);
- } else
- unit = NULL;
+ if (unit) {
+ write_unlock_irq(&zfcp_data.config_lock);
+ /* wait for possible timeout during SCSI probe */
+ flush_work(&unit->scsi_work);
+ write_lock_irq(&zfcp_data.config_lock);
+
+ if (atomic_read(&unit->refcount) == 0) {
+ zfcp_unit_get(unit);
+ atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE,
+ &unit->status);
+ list_move(&unit->list, &unit_remove_lh);
+ } else {
+ unit = NULL;
+ }
+ }
write_unlock_irq(&zfcp_data.config_lock);
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index 8b7983aba8f7..36c21b19e5d7 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -1978,7 +1978,8 @@ static void twa_unmap_scsi_data(TW_Device_Extension *tw_dev, int request_id)
{
struct scsi_cmnd *cmd = tw_dev->srb[request_id];
- scsi_dma_unmap(cmd);
+ if (cmd->SCp.phase == TW_PHASE_SGLIST)
+ scsi_dma_unmap(cmd);
} /* End twa_unmap_scsi_data() */
/* scsi_host_template initializer */
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index c03f1d2c9e2e..faa0fcfed71e 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -6,7 +6,7 @@
Arnaldo Carvalho de Melo <acme@conectiva.com.br>
Brad Strand <linux@3ware.com>
- Copyright (C) 1999-2007 3ware Inc.
+ Copyright (C) 1999-2009 3ware Inc.
Kernel compatiblity By: Andre Hedrick <andre@suse.com>
Non-Copyright (C) 2000 Andre Hedrick <andre@suse.com>
@@ -1294,7 +1294,8 @@ static void tw_unmap_scsi_data(struct pci_dev *pdev, struct scsi_cmnd *cmd)
{
dprintk(KERN_WARNING "3w-xxxx: tw_unmap_scsi_data()\n");
- scsi_dma_unmap(cmd);
+ if (cmd->SCp.phase == TW_PHASE_SGLIST)
+ scsi_dma_unmap(cmd);
} /* End tw_unmap_scsi_data() */
/* This function will reset a device extension */
diff --git a/drivers/scsi/3w-xxxx.h b/drivers/scsi/3w-xxxx.h
index 8e71e5e122b3..a5a2ba2561d9 100644
--- a/drivers/scsi/3w-xxxx.h
+++ b/drivers/scsi/3w-xxxx.h
@@ -6,7 +6,7 @@
Arnaldo Carvalho de Melo <acme@conectiva.com.br>
Brad Strand <linux@3ware.com>
- Copyright (C) 1999-2007 3ware Inc.
+ Copyright (C) 1999-2009 3ware Inc.
Kernel compatiblity By: Andre Hedrick <andre@suse.com>
Non-Copyright (C) 2000 Andre Hedrick <andre@suse.com>
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 8ed2990c826e..fb2740789b68 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -628,6 +628,17 @@ config FCOE
---help---
Fibre Channel over Ethernet module
+config FCOE_FNIC
+ tristate "Cisco FNIC Driver"
+ depends on PCI && X86
+ select LIBFC
+ help
+ This is support for the Cisco PCI-Express FCoE HBA.
+
+ To compile this driver as a module, choose M here and read
+ <file:Documentation/scsi/scsi.txt>.
+ The module will be called fnic.
+
config SCSI_DMX3191D
tristate "DMX3191D SCSI support"
depends on PCI && SCSI
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index e7c861ac417d..a5049cfb40ed 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -39,6 +39,7 @@ obj-$(CONFIG_SCSI_DH) += device_handler/
obj-$(CONFIG_LIBFC) += libfc/
obj-$(CONFIG_LIBFCOE) += fcoe/
obj-$(CONFIG_FCOE) += fcoe/
+obj-$(CONFIG_FCOE_FNIC) += fnic/
obj-$(CONFIG_ISCSI_TCP) += libiscsi.o libiscsi_tcp.o iscsi_tcp.o
obj-$(CONFIG_INFINIBAND_ISER) += libiscsi.o
obj-$(CONFIG_SCSI_A4000T) += 53c700.o a4000t.o
diff --git a/drivers/scsi/cxgb3i/cxgb3i.h b/drivers/scsi/cxgb3i/cxgb3i.h
index d362860e7504..59b0958d2d11 100644
--- a/drivers/scsi/cxgb3i/cxgb3i.h
+++ b/drivers/scsi/cxgb3i/cxgb3i.h
@@ -34,7 +34,7 @@
#include "cxgb3i_offload.h"
#include "cxgb3i_ddp.h"
-#define CXGB3I_SCSI_QDEPTH_DFLT 128
+#define CXGB3I_SCSI_HOST_QDEPTH 1024
#define CXGB3I_MAX_TARGET CXGB3I_MAX_CONN
#define CXGB3I_MAX_LUN 512
#define ISCSI_PDU_NONPAYLOAD_MAX \
diff --git a/drivers/scsi/cxgb3i/cxgb3i_ddp.c b/drivers/scsi/cxgb3i/cxgb3i_ddp.c
index d06a661c209f..99c912547902 100644
--- a/drivers/scsi/cxgb3i/cxgb3i_ddp.c
+++ b/drivers/scsi/cxgb3i/cxgb3i_ddp.c
@@ -120,20 +120,26 @@ static void clear_ddp_map(struct cxgb3i_ddp_info *ddp, unsigned int tag,
}
static inline int ddp_find_unused_entries(struct cxgb3i_ddp_info *ddp,
- int start, int max, int count,
+ unsigned int start, unsigned int max,
+ unsigned int count,
struct cxgb3i_gather_list *gl)
{
- unsigned int i, j;
+ unsigned int i, j, k;
+ /* not enough entries */
+ if ((max - start) < count)
+ return -EBUSY;
+
+ max -= count;
spin_lock(&ddp->map_lock);
- for (i = start; i <= max;) {
- for (j = 0; j < count; j++) {
- if (ddp->gl_map[i + j])
+ for (i = start; i < max;) {
+ for (j = 0, k = i; j < count; j++, k++) {
+ if (ddp->gl_map[k])
break;
}
if (j == count) {
- for (j = 0; j < count; j++)
- ddp->gl_map[i + j] = gl;
+ for (j = 0, k = i; j < count; j++, k++)
+ ddp->gl_map[k] = gl;
spin_unlock(&ddp->map_lock);
return i;
}
@@ -354,7 +360,7 @@ int cxgb3i_ddp_tag_reserve(struct t3cdev *tdev, unsigned int tid,
struct cxgb3i_ddp_info *ddp = tdev->ulp_iscsi;
struct pagepod_hdr hdr;
unsigned int npods;
- int idx = -1, idx_max;
+ int idx = -1;
int err = -ENOMEM;
u32 sw_tag = *tagp;
u32 tag;
@@ -367,17 +373,17 @@ int cxgb3i_ddp_tag_reserve(struct t3cdev *tdev, unsigned int tid,
}
npods = (gl->nelem + PPOD_PAGES_MAX - 1) >> PPOD_PAGES_SHIFT;
- idx_max = ddp->nppods - npods + 1;
if (ddp->idx_last == ddp->nppods)
- idx = ddp_find_unused_entries(ddp, 0, idx_max, npods, gl);
+ idx = ddp_find_unused_entries(ddp, 0, ddp->nppods, npods, gl);
else {
idx = ddp_find_unused_entries(ddp, ddp->idx_last + 1,
- idx_max, npods, gl);
- if (idx < 0 && ddp->idx_last >= npods)
+ ddp->nppods, npods, gl);
+ if (idx < 0 && ddp->idx_last >= npods) {
idx = ddp_find_unused_entries(ddp, 0,
- ddp->idx_last - npods + 1,
+ min(ddp->idx_last + npods, ddp->nppods),
npods, gl);
+ }
}
if (idx < 0) {
ddp_log_debug("xferlen %u, gl %u, npods %u NO DDP.\n",
diff --git a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c
index fff8e4327644..9212400b9b13 100644
--- a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c
+++ b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c
@@ -876,13 +876,14 @@ static struct scsi_host_template cxgb3i_host_template = {
.proc_name = "cxgb3i",
.queuecommand = iscsi_queuecommand,
.change_queue_depth = iscsi_change_queue_depth,
- .can_queue = CXGB3I_SCSI_QDEPTH_DFLT - 1,
+ .can_queue = CXGB3I_SCSI_HOST_QDEPTH,
.sg_tablesize = SG_ALL,
.max_sectors = 0xFFFF,
- .cmd_per_lun = CXGB3I_SCSI_QDEPTH_DFLT,
+ .cmd_per_lun = ISCSI_DEF_CMD_PER_LUN,
.eh_abort_handler = iscsi_eh_abort,
.eh_device_reset_handler = iscsi_eh_device_reset,
.eh_target_reset_handler = iscsi_eh_target_reset,
+ .target_alloc = iscsi_target_alloc,
.use_clustering = DISABLE_CLUSTERING,
.this_id = -1,
};
diff --git a/drivers/scsi/cxgb3i/cxgb3i_offload.c b/drivers/scsi/cxgb3i/cxgb3i_offload.c
index 4d8654cdbdae..e11c9c180f39 100644
--- a/drivers/scsi/cxgb3i/cxgb3i_offload.c
+++ b/drivers/scsi/cxgb3i/cxgb3i_offload.c
@@ -1737,7 +1737,7 @@ int cxgb3i_c3cn_send_pdus(struct s3_conn *c3cn, struct sk_buff *skb)
c3cn_tx_debug("c3cn 0x%p, snd %u - %u > %u.\n",
c3cn, c3cn->write_seq, c3cn->snd_una,
cxgb3_snd_win);
- err = -EAGAIN;
+ err = -ENOBUFS;
goto out_err;
}
@@ -1775,6 +1775,8 @@ done:
out_err:
if (copied == 0 && err == -EPIPE)
copied = c3cn->err ? c3cn->err : -EPIPE;
+ else
+ copied = err;
goto done;
}
diff --git a/drivers/scsi/cxgb3i/cxgb3i_pdu.c b/drivers/scsi/cxgb3i/cxgb3i_pdu.c
index 7eebc9a7cb35..709105071177 100644
--- a/drivers/scsi/cxgb3i/cxgb3i_pdu.c
+++ b/drivers/scsi/cxgb3i/cxgb3i_pdu.c
@@ -400,17 +400,18 @@ int cxgb3i_conn_xmit_pdu(struct iscsi_task *task)
return 0;
}
- if (err < 0 && err != -EAGAIN) {
- kfree_skb(skb);
- cxgb3i_tx_debug("itt 0x%x, skb 0x%p, len %u/%u, xmit err %d.\n",
- task->itt, skb, skb->len, skb->data_len, err);
- iscsi_conn_printk(KERN_ERR, task->conn, "xmit err %d.\n", err);
- iscsi_conn_failure(task->conn, ISCSI_ERR_XMIT_FAILED);
+ if (err == -EAGAIN || err == -ENOBUFS) {
+ /* reset skb to send when we are called again */
+ tdata->skb = skb;
return err;
}
- /* reset skb to send when we are called again */
- tdata->skb = skb;
- return -EAGAIN;
+
+ kfree_skb(skb);
+ cxgb3i_tx_debug("itt 0x%x, skb 0x%p, len %u/%u, xmit err %d.\n",
+ task->itt, skb, skb->len, skb->data_len, err);
+ iscsi_conn_printk(KERN_ERR, task->conn, "xmit err %d.\n", err);
+ iscsi_conn_failure(task->conn, ISCSI_ERR_XMIT_FAILED);
+ return err;
}
int cxgb3i_pdu_init(void)
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 94e1e3189773..03e1926f40b5 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -57,7 +57,7 @@ DEFINE_RWLOCK(fcoe_hostlist_lock);
DEFINE_TIMER(fcoe_timer, NULL, 0, 0);
DEFINE_PER_CPU(struct fcoe_percpu_s, fcoe_percpu);
-/* Function Prototyes */
+/* Function Prototypes */
static int fcoe_reset(struct Scsi_Host *shost);
static int fcoe_xmit(struct fc_lport *, struct fc_frame *);
static int fcoe_rcv(struct sk_buff *, struct net_device *,
@@ -138,7 +138,6 @@ static struct scsi_host_template fcoe_shost_template = {
/**
* fcoe_lport_config() - sets up the fc_lport
* @lp: ptr to the fc_lport
- * @shost: ptr to the parent scsi host
*
* Returns: 0 for success
*/
@@ -256,6 +255,7 @@ static int fcoe_netdev_config(struct fc_lport *lp, struct net_device *netdev)
rtnl_lock();
memcpy(flogi_maddr, (u8[6]) FC_FCOE_FLOGI_MAC, ETH_ALEN);
dev_unicast_add(fc->real_dev, flogi_maddr, ETH_ALEN);
+ dev_mc_add(fc->real_dev, FIP_ALL_ENODE_MACS, ETH_ALEN, 0);
rtnl_unlock();
/*
@@ -380,7 +380,7 @@ static int fcoe_if_destroy(struct net_device *netdev)
dev_mc_delete(fc->real_dev, FIP_ALL_ENODE_MACS, ETH_ALEN, 0);
rtnl_unlock();
- /* Free the per-CPU revieve threads */
+ /* Free the per-CPU receive threads */
fcoe_percpu_clean(lp);
/* Free existing skbs */
@@ -720,7 +720,7 @@ static void fcoe_percpu_thread_destroy(unsigned int cpu)
}
#else
/*
- * This a non-SMP scenario where the singluar Rx thread is
+ * This a non-SMP scenario where the singular Rx thread is
* being removed. Free all skbs and stop the thread.
*/
spin_lock_bh(&p->fcoe_rx_list.lock);
@@ -777,7 +777,7 @@ static struct notifier_block fcoe_cpu_notifier = {
* @skb: the receive skb
* @dev: associated net device
* @ptype: context
- * @odldev: last device
+ * @olddev: last device
*
* this function will receive the packet and build fc frame and pass it up
*
@@ -884,7 +884,6 @@ err2:
kfree_skb(skb);
return -1;
}
-EXPORT_SYMBOL_GPL(fcoe_rcv);
/**
* fcoe_start_io() - pass to netdev to start xmit for fcoe
@@ -905,7 +904,7 @@ static inline int fcoe_start_io(struct sk_buff *skb)
}
/**
- * fcoe_get_paged_crc_eof() - in case we need alloc a page for crc_eof
+ * fcoe_get_paged_crc_eof() - in case we need to alloc a page for crc_eof
* @skb: the skb to be xmitted
* @tlen: total len
*
@@ -947,7 +946,7 @@ static int fcoe_get_paged_crc_eof(struct sk_buff *skb, int tlen)
/**
* fcoe_fc_crc() - calculates FC CRC in this fcoe skb
- * @fp: the fc_frame containg data to be checksummed
+ * @fp: the fc_frame containing data to be checksummed
*
* This uses crc32() to calculate the crc for fc frame
* Return : 32 bit crc
@@ -1011,7 +1010,7 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp)
wlen = skb->len / FCOE_WORD_TO_BYTE;
if (!lp->link_up) {
- kfree(skb);
+ kfree_skb(skb);
return 0;
}
@@ -1062,7 +1061,7 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp)
cp = NULL;
}
- /* adjust skb netowrk/transport offsets to match mac/fcoe/fc */
+ /* adjust skb network/transport offsets to match mac/fcoe/fc */
skb_push(skb, elen + hlen);
skb_reset_mac_header(skb);
skb_reset_network_header(skb);
@@ -1123,7 +1122,6 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp)
return 0;
}
-EXPORT_SYMBOL_GPL(fcoe_xmit);
/**
* fcoe_percpu_receive_thread() - recv thread per cpu
@@ -1296,17 +1294,16 @@ void fcoe_watchdog(ulong vp)
/**
- * fcoe_check_wait_queue() - put the skb into fcoe pending xmit queue
- * @lp: the fc_port for this skb
- * @skb: the associated skb to be xmitted
+ * fcoe_check_wait_queue() - attempt to clear the transmit backlog
+ * @lp: the fc_lport
*
* This empties the wait_queue, dequeue the head of the wait_queue queue
* and calls fcoe_start_io() for each packet, if all skb have been
* transmitted, return qlen or -1 if a error occurs, then restore
- * wait_queue and try again later.
+ * wait_queue and try again later.
*
* The wait_queue is used when the skb transmit fails. skb will go
- * in the wait_queue which will be emptied by the time function OR
+ * in the wait_queue which will be emptied by the timer function or
* by the next skb transmit.
*
* Returns: 0 for success
@@ -1355,10 +1352,6 @@ out:
*/
static void fcoe_dev_setup()
{
- /*
- * here setup a interface specific wd time to
- * monitor the link state
- */
register_netdevice_notifier(&fcoe_notifier);
}
@@ -1437,10 +1430,9 @@ out:
/**
* fcoe_if_to_netdev() - parse a name buffer to get netdev
- * @ifname: fixed array for output parsed ifname
* @buffer: incoming buffer to be copied
*
- * Returns: NULL or ptr to netdeive
+ * Returns: NULL or ptr to net_device
*/
static struct net_device *fcoe_if_to_netdev(const char *buffer)
{
@@ -1458,7 +1450,7 @@ static struct net_device *fcoe_if_to_netdev(const char *buffer)
}
/**
- * fcoe_netdev_to_module_owner() - finds out the nic drive moddule of the netdev
+ * fcoe_netdev_to_module_owner() - finds out the driver module of the netdev
* @netdev: the target netdev
*
* Returns: ptr to the struct module, NULL for failure
@@ -1488,7 +1480,7 @@ fcoe_netdev_to_module_owner(const struct net_device *netdev)
* Holds the Ethernet driver module by try_module_get() for
* the corresponding netdev.
*
- * Returns: 0 for succsss
+ * Returns: 0 for success
*/
static int fcoe_ethdrv_get(const struct net_device *netdev)
{
@@ -1510,7 +1502,7 @@ static int fcoe_ethdrv_get(const struct net_device *netdev)
* Releases the Ethernet driver module by module_put for
* the corresponding netdev.
*
- * Returns: 0 for succsss
+ * Returns: 0 for success
*/
static int fcoe_ethdrv_put(const struct net_device *netdev)
{
@@ -1528,7 +1520,7 @@ static int fcoe_ethdrv_put(const struct net_device *netdev)
/**
* fcoe_destroy() - handles the destroy from sysfs
- * @buffer: expcted to be a eth if name
+ * @buffer: expected to be an eth if name
* @kp: associated kernel param
*
* Returns: 0 for success
@@ -1565,7 +1557,7 @@ out_nodev:
/**
* fcoe_create() - Handles the create call from sysfs
- * @buffer: expcted to be a eth if name
+ * @buffer: expected to be an eth if name
* @kp: associated kernel param
*
* Returns: 0 for success
@@ -1652,7 +1644,6 @@ int fcoe_link_ok(struct fc_lport *lp)
return rc;
}
-EXPORT_SYMBOL_GPL(fcoe_link_ok);
/**
* fcoe_percpu_clean() - Clear the pending skbs for an lport
@@ -1684,7 +1675,6 @@ void fcoe_percpu_clean(struct fc_lport *lp)
spin_unlock_bh(&pp->fcoe_rx_list.lock);
}
}
-EXPORT_SYMBOL_GPL(fcoe_percpu_clean);
/**
* fcoe_clean_pending_queue() - Dequeue a skb and free it
@@ -1705,7 +1695,6 @@ void fcoe_clean_pending_queue(struct fc_lport *lp)
}
spin_unlock_bh(&fc->fcoe_pending_queue.lock);
}
-EXPORT_SYMBOL_GPL(fcoe_clean_pending_queue);
/**
* fcoe_reset() - Resets the fcoe
@@ -1719,11 +1708,10 @@ int fcoe_reset(struct Scsi_Host *shost)
fc_lport_reset(lport);
return 0;
}
-EXPORT_SYMBOL_GPL(fcoe_reset);
/**
* fcoe_hostlist_lookup_softc() - find the corresponding lport by a given device
- * @device: this is currently ptr to net_device
+ * @dev: this is currently ptr to net_device
*
* Returns: NULL or the located fcoe_softc
*/
@@ -1757,11 +1745,10 @@ struct fc_lport *fcoe_hostlist_lookup(const struct net_device *netdev)
return (fc) ? fc->ctlr.lp : NULL;
}
-EXPORT_SYMBOL_GPL(fcoe_hostlist_lookup);
/**
* fcoe_hostlist_add() - Add a lport to lports list
- * @lp: ptr to the fc_lport to badded
+ * @lp: ptr to the fc_lport to be added
*
* Returns: 0 for success
*/
@@ -1778,11 +1765,10 @@ int fcoe_hostlist_add(const struct fc_lport *lp)
}
return 0;
}
-EXPORT_SYMBOL_GPL(fcoe_hostlist_add);
/**
* fcoe_hostlist_remove() - remove a lport from lports list
- * @lp: ptr to the fc_lport to badded
+ * @lp: ptr to the fc_lport to be removed
*
* Returns: 0 for success
*/
@@ -1798,7 +1784,6 @@ int fcoe_hostlist_remove(const struct fc_lport *lp)
return 0;
}
-EXPORT_SYMBOL_GPL(fcoe_hostlist_remove);
/**
* fcoe_init() - fcoe module loading initialization
diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index f410f4abb548..62ba0f39c6bd 100644
--- a/drivers/scsi/fcoe/libfcoe.c
+++ b/drivers/scsi/fcoe/libfcoe.c
@@ -122,7 +122,7 @@ static void fcoe_ctlr_reset_fcfs(struct fcoe_ctlr *fip)
}
/**
- * fcoe_ctrl_destroy() - Disable and tear-down the FCoE controller.
+ * fcoe_ctlr_destroy() - Disable and tear-down the FCoE controller.
* @fip: FCoE controller.
*
* This is called by FCoE drivers before freeing the &fcoe_ctlr.
diff --git a/drivers/scsi/fnic/Makefile b/drivers/scsi/fnic/Makefile
new file mode 100644
index 000000000000..37c3440bc17c
--- /dev/null
+++ b/drivers/scsi/fnic/Makefile
@@ -0,0 +1,15 @@
+obj-$(CONFIG_FCOE_FNIC) += fnic.o
+
+fnic-y := \
+ fnic_attrs.o \
+ fnic_isr.o \
+ fnic_main.o \
+ fnic_res.o \
+ fnic_fcs.o \
+ fnic_scsi.o \
+ vnic_cq.o \
+ vnic_dev.o \
+ vnic_intr.o \
+ vnic_rq.o \
+ vnic_wq_copy.o \
+ vnic_wq.o
diff --git a/drivers/scsi/fnic/cq_desc.h b/drivers/scsi/fnic/cq_desc.h
new file mode 100644
index 000000000000..d1225cf6320e
--- /dev/null
+++ b/drivers/scsi/fnic/cq_desc.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _CQ_DESC_H_
+#define _CQ_DESC_H_
+
+/*
+ * Completion queue descriptor types
+ */
+enum cq_desc_types {
+ CQ_DESC_TYPE_WQ_ENET = 0,
+ CQ_DESC_TYPE_DESC_COPY = 1,
+ CQ_DESC_TYPE_WQ_EXCH = 2,
+ CQ_DESC_TYPE_RQ_ENET = 3,
+ CQ_DESC_TYPE_RQ_FCP = 4,
+};
+
+/* Completion queue descriptor: 16B
+ *
+ * All completion queues have this basic layout. The
+ * type_specfic area is unique for each completion
+ * queue type.
+ */
+struct cq_desc {
+ __le16 completed_index;
+ __le16 q_number;
+ u8 type_specfic[11];
+ u8 type_color;
+};
+
+#define CQ_DESC_TYPE_BITS 4
+#define CQ_DESC_TYPE_MASK ((1 << CQ_DESC_TYPE_BITS) - 1)
+#define CQ_DESC_COLOR_MASK 1
+#define CQ_DESC_COLOR_SHIFT 7
+#define CQ_DESC_Q_NUM_BITS 10
+#define CQ_DESC_Q_NUM_MASK ((1 << CQ_DESC_Q_NUM_BITS) - 1)
+#define CQ_DESC_COMP_NDX_BITS 12
+#define CQ_DESC_COMP_NDX_MASK ((1 << CQ_DESC_COMP_NDX_BITS) - 1)
+
+static inline void cq_desc_dec(const struct cq_desc *desc_arg,
+ u8 *type, u8 *color, u16 *q_number, u16 *completed_index)
+{
+ const struct cq_desc *desc = desc_arg;
+ const u8 type_color = desc->type_color;
+
+ *color = (type_color >> CQ_DESC_COLOR_SHIFT) & CQ_DESC_COLOR_MASK;
+
+ /*
+ * Make sure color bit is read from desc *before* other fields
+ * are read from desc. Hardware guarantees color bit is last
+ * bit (byte) written. Adding the rmb() prevents the compiler
+ * and/or CPU from reordering the reads which would potentially
+ * result in reading stale values.
+ */
+
+ rmb();
+
+ *type = type_color & CQ_DESC_TYPE_MASK;
+ *q_number = le16_to_cpu(desc->q_number) & CQ_DESC_Q_NUM_MASK;
+ *completed_index = le16_to_cpu(desc->completed_index) &
+ CQ_DESC_COMP_NDX_MASK;
+}
+
+#endif /* _CQ_DESC_H_ */
diff --git a/drivers/scsi/fnic/cq_enet_desc.h b/drivers/scsi/fnic/cq_enet_desc.h
new file mode 100644
index 000000000000..a9fa26f82ddd
--- /dev/null
+++ b/drivers/scsi/fnic/cq_enet_desc.h
@@ -0,0 +1,167 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _CQ_ENET_DESC_H_
+#define _CQ_ENET_DESC_H_
+
+#include "cq_desc.h"
+
+/* Ethernet completion queue descriptor: 16B */
+struct cq_enet_wq_desc {
+ __le16 completed_index;
+ __le16 q_number;
+ u8 reserved[11];
+ u8 type_color;
+};
+
+static inline void cq_enet_wq_desc_dec(struct cq_enet_wq_desc *desc,
+ u8 *type, u8 *color, u16 *q_number, u16 *completed_index)
+{
+ cq_desc_dec((struct cq_desc *)desc, type,
+ color, q_number, completed_index);
+}
+
+/* Completion queue descriptor: Ethernet receive queue, 16B */
+struct cq_enet_rq_desc {
+ __le16 completed_index_flags;
+ __le16 q_number_rss_type_flags;
+ __le32 rss_hash;
+ __le16 bytes_written_flags;
+ __le16 vlan;
+ __le16 checksum_fcoe;
+ u8 flags;
+ u8 type_color;
+};
+
+#define CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT (0x1 << 12)
+#define CQ_ENET_RQ_DESC_FLAGS_FCOE (0x1 << 13)
+#define CQ_ENET_RQ_DESC_FLAGS_EOP (0x1 << 14)
+#define CQ_ENET_RQ_DESC_FLAGS_SOP (0x1 << 15)
+
+#define CQ_ENET_RQ_DESC_RSS_TYPE_BITS 4
+#define CQ_ENET_RQ_DESC_RSS_TYPE_MASK \
+ ((1 << CQ_ENET_RQ_DESC_RSS_TYPE_BITS) - 1)
+#define CQ_ENET_RQ_DESC_RSS_TYPE_NONE 0
+#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv4 1
+#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv4 2
+#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6 3
+#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6 4
+#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6_EX 5
+#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6_EX 6
+
+#define CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC (0x1 << 14)
+
+#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS 14
+#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK \
+ ((1 << CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS) - 1)
+#define CQ_ENET_RQ_DESC_FLAGS_TRUNCATED (0x1 << 14)
+#define CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED (0x1 << 15)
+
+#define CQ_ENET_RQ_DESC_FCOE_SOF_BITS 4
+#define CQ_ENET_RQ_DESC_FCOE_SOF_MASK \
+ ((1 << CQ_ENET_RQ_DESC_FCOE_SOF_BITS) - 1)
+#define CQ_ENET_RQ_DESC_FCOE_EOF_BITS 8
+#define CQ_ENET_RQ_DESC_FCOE_EOF_MASK \
+ ((1 << CQ_ENET_RQ_DESC_FCOE_EOF_BITS) - 1)
+#define CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT 8
+
+#define CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK (0x1 << 0)
+#define CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK (0x1 << 0)
+#define CQ_ENET_RQ_DESC_FLAGS_UDP (0x1 << 1)
+#define CQ_ENET_RQ_DESC_FCOE_ENC_ERROR (0x1 << 1)
+#define CQ_ENET_RQ_DESC_FLAGS_TCP (0x1 << 2)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK (0x1 << 3)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV6 (0x1 << 4)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV4 (0x1 << 5)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT (0x1 << 6)
+#define CQ_ENET_RQ_DESC_FLAGS_FCS_OK (0x1 << 7)
+
+static inline void cq_enet_rq_desc_dec(struct cq_enet_rq_desc *desc,
+ u8 *type, u8 *color, u16 *q_number, u16 *completed_index,
+ u8 *ingress_port, u8 *fcoe, u8 *eop, u8 *sop, u8 *rss_type,
+ u8 *csum_not_calc, u32 *rss_hash, u16 *bytes_written, u8 *packet_error,
+ u8 *vlan_stripped, u16 *vlan, u16 *checksum, u8 *fcoe_sof,
+ u8 *fcoe_fc_crc_ok, u8 *fcoe_enc_error, u8 *fcoe_eof,
+ u8 *tcp_udp_csum_ok, u8 *udp, u8 *tcp, u8 *ipv4_csum_ok,
+ u8 *ipv6, u8 *ipv4, u8 *ipv4_fragment, u8 *fcs_ok)
+{
+ u16 completed_index_flags = le16_to_cpu(desc->completed_index_flags);
+ u16 q_number_rss_type_flags =
+ le16_to_cpu(desc->q_number_rss_type_flags);
+ u16 bytes_written_flags = le16_to_cpu(desc->bytes_written_flags);
+
+ cq_desc_dec((struct cq_desc *)desc, type,
+ color, q_number, completed_index);
+
+ *ingress_port = (completed_index_flags &
+ CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT) ? 1 : 0;
+ *fcoe = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_FCOE) ?
+ 1 : 0;
+ *eop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_EOP) ?
+ 1 : 0;
+ *sop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_SOP) ?
+ 1 : 0;
+
+ *rss_type = (u8)((q_number_rss_type_flags >> CQ_DESC_Q_NUM_BITS) &
+ CQ_ENET_RQ_DESC_RSS_TYPE_MASK);
+ *csum_not_calc = (q_number_rss_type_flags &
+ CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC) ? 1 : 0;
+
+ *rss_hash = le32_to_cpu(desc->rss_hash);
+
+ *bytes_written = bytes_written_flags &
+ CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK;
+ *packet_error = (bytes_written_flags &
+ CQ_ENET_RQ_DESC_FLAGS_TRUNCATED) ? 1 : 0;
+ *vlan_stripped = (bytes_written_flags &
+ CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED) ? 1 : 0;
+
+ *vlan = le16_to_cpu(desc->vlan);
+
+ if (*fcoe) {
+ *fcoe_sof = (u8)(le16_to_cpu(desc->checksum_fcoe) &
+ CQ_ENET_RQ_DESC_FCOE_SOF_MASK);
+ *fcoe_fc_crc_ok = (desc->flags &
+ CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK) ? 1 : 0;
+ *fcoe_enc_error = (desc->flags &
+ CQ_ENET_RQ_DESC_FCOE_ENC_ERROR) ? 1 : 0;
+ *fcoe_eof = (u8)((desc->checksum_fcoe >>
+ CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT) &
+ CQ_ENET_RQ_DESC_FCOE_EOF_MASK);
+ *checksum = 0;
+ } else {
+ *fcoe_sof = 0;
+ *fcoe_fc_crc_ok = 0;
+ *fcoe_enc_error = 0;
+ *fcoe_eof = 0;
+ *checksum = le16_to_cpu(desc->checksum_fcoe);
+ }
+
+ *tcp_udp_csum_ok =
+ (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK) ? 1 : 0;
+ *udp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_UDP) ? 1 : 0;
+ *tcp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP) ? 1 : 0;
+ *ipv4_csum_ok =
+ (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK) ? 1 : 0;
+ *ipv6 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV6) ? 1 : 0;
+ *ipv4 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4) ? 1 : 0;
+ *ipv4_fragment =
+ (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT) ? 1 : 0;
+ *fcs_ok = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_FCS_OK) ? 1 : 0;
+}
+
+#endif /* _CQ_ENET_DESC_H_ */
diff --git a/drivers/scsi/fnic/cq_exch_desc.h b/drivers/scsi/fnic/cq_exch_desc.h
new file mode 100644
index 000000000000..501660cfe228
--- /dev/null
+++ b/drivers/scsi/fnic/cq_exch_desc.h
@@ -0,0 +1,182 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _CQ_EXCH_DESC_H_
+#define _CQ_EXCH_DESC_H_
+
+#include "cq_desc.h"
+
+/* Exchange completion queue descriptor: 16B */
+struct cq_exch_wq_desc {
+ u16 completed_index;
+ u16 q_number;
+ u16 exchange_id;
+ u8 tmpl;
+ u8 reserved0;
+ u32 reserved1;
+ u8 exch_status;
+ u8 reserved2[2];
+ u8 type_color;
+};
+
+#define CQ_EXCH_WQ_STATUS_BITS 2
+#define CQ_EXCH_WQ_STATUS_MASK ((1 << CQ_EXCH_WQ_STATUS_BITS) - 1)
+
+enum cq_exch_status_types {
+ CQ_EXCH_WQ_STATUS_TYPE_COMPLETE = 0,
+ CQ_EXCH_WQ_STATUS_TYPE_ABORT = 1,
+ CQ_EXCH_WQ_STATUS_TYPE_SGL_EOF = 2,
+ CQ_EXCH_WQ_STATUS_TYPE_TMPL_ERR = 3,
+};
+
+static inline void cq_exch_wq_desc_dec(struct cq_exch_wq_desc *desc_ptr,
+ u8 *type,
+ u8 *color,
+ u16 *q_number,
+ u16 *completed_index,
+ u8 *exch_status)
+{
+ cq_desc_dec((struct cq_desc *)desc_ptr, type,
+ color, q_number, completed_index);
+ *exch_status = desc_ptr->exch_status & CQ_EXCH_WQ_STATUS_MASK;
+}
+
+struct cq_fcp_rq_desc {
+ u16 completed_index_eop_sop_prt;
+ u16 q_number;
+ u16 exchange_id;
+ u16 tmpl;
+ u16 bytes_written;
+ u16 vlan;
+ u8 sof;
+ u8 eof;
+ u8 fcs_fer_fck;
+ u8 type_color;
+};
+
+#define CQ_FCP_RQ_DESC_FLAGS_SOP (1 << 15)
+#define CQ_FCP_RQ_DESC_FLAGS_EOP (1 << 14)
+#define CQ_FCP_RQ_DESC_FLAGS_PRT (1 << 12)
+#define CQ_FCP_RQ_DESC_TMPL_MASK 0x1f
+#define CQ_FCP_RQ_DESC_BYTES_WRITTEN_MASK 0x3fff
+#define CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT 14
+#define CQ_FCP_RQ_DESC_PACKET_ERR_MASK (1 << CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT)
+#define CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT 15
+#define CQ_FCP_RQ_DESC_VS_STRIPPED_MASK (1 << CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT)
+#define CQ_FCP_RQ_DESC_FC_CRC_OK_MASK 0x1
+#define CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT 1
+#define CQ_FCP_RQ_DESC_FCOE_ERR_MASK (1 << CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT)
+#define CQ_FCP_RQ_DESC_FCS_OK_SHIFT 7
+#define CQ_FCP_RQ_DESC_FCS_OK_MASK (1 << CQ_FCP_RQ_DESC_FCS_OK_SHIFT)
+
+static inline void cq_fcp_rq_desc_dec(struct cq_fcp_rq_desc *desc_ptr,
+ u8 *type,
+ u8 *color,
+ u16 *q_number,
+ u16 *completed_index,
+ u8 *eop,
+ u8 *sop,
+ u8 *fck,
+ u16 *exchange_id,
+ u16 *tmpl,
+ u32 *bytes_written,
+ u8 *sof,
+ u8 *eof,
+ u8 *ingress_port,
+ u8 *packet_err,
+ u8 *fcoe_err,
+ u8 *fcs_ok,
+ u8 *vlan_stripped,
+ u16 *vlan)
+{
+ cq_desc_dec((struct cq_desc *)desc_ptr, type,
+ color, q_number, completed_index);
+ *eop = (desc_ptr->completed_index_eop_sop_prt &
+ CQ_FCP_RQ_DESC_FLAGS_EOP) ? 1 : 0;
+ *sop = (desc_ptr->completed_index_eop_sop_prt &
+ CQ_FCP_RQ_DESC_FLAGS_SOP) ? 1 : 0;
+ *ingress_port =
+ (desc_ptr->completed_index_eop_sop_prt &
+ CQ_FCP_RQ_DESC_FLAGS_PRT) ? 1 : 0;
+ *exchange_id = desc_ptr->exchange_id;
+ *tmpl = desc_ptr->tmpl & CQ_FCP_RQ_DESC_TMPL_MASK;
+ *bytes_written =
+ desc_ptr->bytes_written & CQ_FCP_RQ_DESC_BYTES_WRITTEN_MASK;
+ *packet_err =
+ (desc_ptr->bytes_written & CQ_FCP_RQ_DESC_PACKET_ERR_MASK) >>
+ CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT;
+ *vlan_stripped =
+ (desc_ptr->bytes_written & CQ_FCP_RQ_DESC_VS_STRIPPED_MASK) >>
+ CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT;
+ *vlan = desc_ptr->vlan;
+ *sof = desc_ptr->sof;
+ *fck = desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FC_CRC_OK_MASK;
+ *fcoe_err = (desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FCOE_ERR_MASK) >>
+ CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT;
+ *eof = desc_ptr->eof;
+ *fcs_ok =
+ (desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FCS_OK_MASK) >>
+ CQ_FCP_RQ_DESC_FCS_OK_SHIFT;
+}
+
+struct cq_sgl_desc {
+ u16 exchange_id;
+ u16 q_number;
+ u32 active_burst_offset;
+ u32 tot_data_bytes;
+ u16 tmpl;
+ u8 sgl_err;
+ u8 type_color;
+};
+
+enum cq_sgl_err_types {
+ CQ_SGL_ERR_NO_ERROR = 0,
+ CQ_SGL_ERR_OVERFLOW, /* data ran beyond end of SGL */
+ CQ_SGL_ERR_SGL_LCL_ADDR_ERR, /* sgl access to local vnic addr illegal*/
+ CQ_SGL_ERR_ADDR_RSP_ERR, /* sgl address error */
+ CQ_SGL_ERR_DATA_RSP_ERR, /* sgl data rsp error */
+ CQ_SGL_ERR_CNT_ZERO_ERR, /* SGL count is 0 */
+ CQ_SGL_ERR_CNT_MAX_ERR, /* SGL count is larger than supported */
+ CQ_SGL_ERR_ORDER_ERR, /* frames recv on both ports, order err */
+ CQ_SGL_ERR_DATA_LCL_ADDR_ERR,/* sgl data buf to local vnic addr ill */
+ CQ_SGL_ERR_HOST_CQ_ERR, /* host cq entry to local vnic addr ill */
+};
+
+#define CQ_SGL_SGL_ERR_MASK 0x1f
+#define CQ_SGL_TMPL_MASK 0x1f
+
+static inline void cq_sgl_desc_dec(struct cq_sgl_desc *desc_ptr,
+ u8 *type,
+ u8 *color,
+ u16 *q_number,
+ u16 *exchange_id,
+ u32 *active_burst_offset,
+ u32 *tot_data_bytes,
+ u16 *tmpl,
+ u8 *sgl_err)
+{
+ /* Cheat a little by assuming exchange_id is the same as completed
+ index */
+ cq_desc_dec((struct cq_desc *)desc_ptr, type, color, q_number,
+ exchange_id);
+ *active_burst_offset = desc_ptr->active_burst_offset;
+ *tot_data_bytes = desc_ptr->tot_data_bytes;
+ *tmpl = desc_ptr->tmpl & CQ_SGL_TMPL_MASK;
+ *sgl_err = desc_ptr->sgl_err & CQ_SGL_SGL_ERR_MASK;
+}
+
+#endif /* _CQ_EXCH_DESC_H_ */
diff --git a/drivers/scsi/fnic/fcpio.h b/drivers/scsi/fnic/fcpio.h
new file mode 100644
index 000000000000..12d770d885c5
--- /dev/null
+++ b/drivers/scsi/fnic/fcpio.h
@@ -0,0 +1,780 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _FCPIO_H_
+#define _FCPIO_H_
+
+#include <linux/if_ether.h>
+
+/*
+ * This header file includes all of the data structures used for
+ * communication by the host driver to the fcp firmware.
+ */
+
+/*
+ * Exchange and sequence id space allocated to the host driver
+ */
+#define FCPIO_HOST_EXCH_RANGE_START 0x1000
+#define FCPIO_HOST_EXCH_RANGE_END 0x1fff
+#define FCPIO_HOST_SEQ_ID_RANGE_START 0x80
+#define FCPIO_HOST_SEQ_ID_RANGE_END 0xff
+
+/*
+ * Command entry type
+ */
+enum fcpio_type {
+ /*
+ * Initiator request types
+ */
+ FCPIO_ICMND_16 = 0x1,
+ FCPIO_ICMND_32,
+ FCPIO_ICMND_CMPL,
+ FCPIO_ITMF,
+ FCPIO_ITMF_CMPL,
+
+ /*
+ * Target request types
+ */
+ FCPIO_TCMND_16 = 0x11,
+ FCPIO_TCMND_32,
+ FCPIO_TDATA,
+ FCPIO_TXRDY,
+ FCPIO_TRSP,
+ FCPIO_TDRSP_CMPL,
+ FCPIO_TTMF,
+ FCPIO_TTMF_ACK,
+ FCPIO_TABORT,
+ FCPIO_TABORT_CMPL,
+
+ /*
+ * Misc request types
+ */
+ FCPIO_ACK = 0x20,
+ FCPIO_RESET,
+ FCPIO_RESET_CMPL,
+ FCPIO_FLOGI_REG,
+ FCPIO_FLOGI_REG_CMPL,
+ FCPIO_ECHO,
+ FCPIO_ECHO_CMPL,
+ FCPIO_LUNMAP_CHNG,
+ FCPIO_LUNMAP_REQ,
+ FCPIO_LUNMAP_REQ_CMPL,
+ FCPIO_FLOGI_FIP_REG,
+ FCPIO_FLOGI_FIP_REG_CMPL,
+};
+
+/*
+ * Header status codes from the firmware
+ */
+enum fcpio_status {
+ FCPIO_SUCCESS = 0, /* request was successful */
+
+ /*
+ * If a request to the firmware is rejected, the original request
+ * header will be returned with the status set to one of the following:
+ */
+ FCPIO_INVALID_HEADER, /* header contains invalid data */
+ FCPIO_OUT_OF_RESOURCE, /* out of resources to complete request */
+ FCPIO_INVALID_PARAM, /* some parameter in request is invalid */
+ FCPIO_REQ_NOT_SUPPORTED, /* request type is not supported */
+ FCPIO_IO_NOT_FOUND, /* requested I/O was not found */
+
+ /*
+ * Once a request is processed, the firmware will usually return
+ * a cmpl message type. In cases where errors occurred,
+ * the header status field would be filled in with one of the following:
+ */
+ FCPIO_ABORTED = 0x41, /* request was aborted */
+ FCPIO_TIMEOUT, /* request was timed out */
+ FCPIO_SGL_INVALID, /* request was aborted due to sgl error */
+ FCPIO_MSS_INVALID, /* request was aborted due to mss error */
+ FCPIO_DATA_CNT_MISMATCH, /* recv/sent more/less data than exp. */
+ FCPIO_FW_ERR, /* request was terminated due to fw error */
+ FCPIO_ITMF_REJECTED, /* itmf req was rejected by remote node */
+ FCPIO_ITMF_FAILED, /* itmf req was failed by remote node */
+ FCPIO_ITMF_INCORRECT_LUN, /* itmf req targeted incorrect LUN */
+ FCPIO_CMND_REJECTED, /* request was invalid and rejected */
+ FCPIO_NO_PATH_AVAIL, /* no paths to the lun was available */
+ FCPIO_PATH_FAILED, /* i/o sent to current path failed */
+ FCPIO_LUNMAP_CHNG_PEND, /* i/o rejected due to lunmap change */
+};
+
+/*
+ * The header command tag. All host requests will use the "tag" field
+ * to mark commands with a unique tag. When the firmware responds to
+ * a host request, it will copy the tag field into the response.
+ *
+ * The only firmware requests that will use the rx_id/ox_id fields instead
+ * of the tag field will be the target command and target task management
+ * requests. These two requests do not have corresponding host requests
+ * since they come directly from the FC initiator on the network.
+ */
+struct fcpio_tag {
+ union {
+ u32 req_id;
+ struct {
+ u16 rx_id;
+ u16 ox_id;
+ } ex_id;
+ } u;
+};
+
+static inline void
+fcpio_tag_id_enc(struct fcpio_tag *tag, u32 id)
+{
+ tag->u.req_id = id;
+}
+
+static inline void
+fcpio_tag_id_dec(struct fcpio_tag *tag, u32 *id)
+{
+ *id = tag->u.req_id;
+}
+
+static inline void
+fcpio_tag_exid_enc(struct fcpio_tag *tag, u16 ox_id, u16 rx_id)
+{
+ tag->u.ex_id.rx_id = rx_id;
+ tag->u.ex_id.ox_id = ox_id;
+}
+
+static inline void
+fcpio_tag_exid_dec(struct fcpio_tag *tag, u16 *ox_id, u16 *rx_id)
+{
+ *rx_id = tag->u.ex_id.rx_id;
+ *ox_id = tag->u.ex_id.ox_id;
+}
+
+/*
+ * The header for an fcpio request, whether from the firmware or from the
+ * host driver
+ */
+struct fcpio_header {
+ u8 type; /* enum fcpio_type */
+ u8 status; /* header status entry */
+ u16 _resvd; /* reserved */
+ struct fcpio_tag tag; /* header tag */
+};
+
+static inline void
+fcpio_header_enc(struct fcpio_header *hdr,
+ u8 type, u8 status,
+ struct fcpio_tag tag)
+{
+ hdr->type = type;
+ hdr->status = status;
+ hdr->_resvd = 0;
+ hdr->tag = tag;
+}
+
+static inline void
+fcpio_header_dec(struct fcpio_header *hdr,
+ u8 *type, u8 *status,
+ struct fcpio_tag *tag)
+{
+ *type = hdr->type;
+ *status = hdr->status;
+ *tag = hdr->tag;
+}
+
+#define CDB_16 16
+#define CDB_32 32
+#define LUN_ADDRESS 8
+
+/*
+ * fcpio_icmnd_16: host -> firmware request
+ *
+ * used for sending out an initiator SCSI 16-byte command
+ */
+struct fcpio_icmnd_16 {
+ u32 lunmap_id; /* index into lunmap table */
+ u8 special_req_flags; /* special exchange request flags */
+ u8 _resvd0[3]; /* reserved */
+ u32 sgl_cnt; /* scatter-gather list count */
+ u32 sense_len; /* sense buffer length */
+ u64 sgl_addr; /* scatter-gather list addr */
+ u64 sense_addr; /* sense buffer address */
+ u8 crn; /* SCSI Command Reference No. */
+ u8 pri_ta; /* SCSI Priority and Task attribute */
+ u8 _resvd1; /* reserved: should be 0 */
+ u8 flags; /* command flags */
+ u8 scsi_cdb[CDB_16]; /* SCSI Cmnd Descriptor Block */
+ u32 data_len; /* length of data expected */
+ u8 lun[LUN_ADDRESS]; /* FC vNIC only: LUN address */
+ u8 _resvd2; /* reserved */
+ u8 d_id[3]; /* FC vNIC only: Target D_ID */
+ u16 mss; /* FC vNIC only: max burst */
+ u16 _resvd3; /* reserved */
+ u32 r_a_tov; /* FC vNIC only: Res. Alloc Timeout */
+ u32 e_d_tov; /* FC vNIC only: Err Detect Timeout */
+};
+
+/*
+ * Special request flags
+ */
+#define FCPIO_ICMND_SRFLAG_RETRY 0x01 /* Enable Retry handling on exchange */
+
+/*
+ * Priority/Task Attribute settings
+ */
+#define FCPIO_ICMND_PTA_SIMPLE 0 /* simple task attribute */
+#define FCPIO_ICMND_PTA_HEADQ 1 /* head of queue task attribute */
+#define FCPIO_ICMND_PTA_ORDERED 2 /* ordered task attribute */
+#define FCPIO_ICMND_PTA_ACA 4 /* auto contingent allegiance */
+#define FCPIO_ICMND_PRI_SHIFT 3 /* priority field starts in bit 3 */
+
+/*
+ * Command flags
+ */
+#define FCPIO_ICMND_RDDATA 0x02 /* read data */
+#define FCPIO_ICMND_WRDATA 0x01 /* write data */
+
+/*
+ * fcpio_icmnd_32: host -> firmware request
+ *
+ * used for sending out an initiator SCSI 32-byte command
+ */
+struct fcpio_icmnd_32 {
+ u32 lunmap_id; /* index into lunmap table */
+ u8 special_req_flags; /* special exchange request flags */
+ u8 _resvd0[3]; /* reserved */
+ u32 sgl_cnt; /* scatter-gather list count */
+ u32 sense_len; /* sense buffer length */
+ u64 sgl_addr; /* scatter-gather list addr */
+ u64 sense_addr; /* sense buffer address */
+ u8 crn; /* SCSI Command Reference No. */
+ u8 pri_ta; /* SCSI Priority and Task attribute */
+ u8 _resvd1; /* reserved: should be 0 */
+ u8 flags; /* command flags */
+ u8 scsi_cdb[CDB_32]; /* SCSI Cmnd Descriptor Block */
+ u32 data_len; /* length of data expected */
+ u8 lun[LUN_ADDRESS]; /* FC vNIC only: LUN address */
+ u8 _resvd2; /* reserved */
+ u8 d_id[3]; /* FC vNIC only: Target D_ID */
+ u16 mss; /* FC vNIC only: max burst */
+ u16 _resvd3; /* reserved */
+ u32 r_a_tov; /* FC vNIC only: Res. Alloc Timeout */
+ u32 e_d_tov; /* FC vNIC only: Error Detect Timeout */
+};
+
+/*
+ * fcpio_itmf: host -> firmware request
+ *
+ * used for requesting the firmware to abort a request and/or send out
+ * a task management function
+ *
+ * The t_tag field is only needed when the request type is ABT_TASK.
+ */
+struct fcpio_itmf {
+ u32 lunmap_id; /* index into lunmap table */
+ u32 tm_req; /* SCSI Task Management request */
+ u32 t_tag; /* header tag of fcpio to be aborted */
+ u32 _resvd; /* _reserved */
+ u8 lun[LUN_ADDRESS]; /* FC vNIC only: LUN address */
+ u8 _resvd1; /* reserved */
+ u8 d_id[3]; /* FC vNIC only: Target D_ID */
+ u32 r_a_tov; /* FC vNIC only: R_A_TOV in msec */
+ u32 e_d_tov; /* FC vNIC only: E_D_TOV in msec */
+};
+
+/*
+ * Task Management request
+ */
+enum fcpio_itmf_tm_req_type {
+ FCPIO_ITMF_ABT_TASK_TERM = 0x01, /* abort task and terminate */
+ FCPIO_ITMF_ABT_TASK, /* abort task and issue abts */
+ FCPIO_ITMF_ABT_TASK_SET, /* abort task set */
+ FCPIO_ITMF_CLR_TASK_SET, /* clear task set */
+ FCPIO_ITMF_LUN_RESET, /* logical unit reset task mgmt */
+ FCPIO_ITMF_CLR_ACA, /* Clear ACA condition */
+};
+
+/*
+ * fcpio_tdata: host -> firmware request
+ *
+ * used for requesting the firmware to send out a read data transfer for a
+ * target command
+ */
+struct fcpio_tdata {
+ u16 rx_id; /* FC rx_id of target command */
+ u16 flags; /* command flags */
+ u32 rel_offset; /* data sequence relative offset */
+ u32 sgl_cnt; /* scatter-gather list count */
+ u32 data_len; /* length of data expected to send */
+ u64 sgl_addr; /* scatter-gather list address */
+};
+
+/*
+ * Command flags
+ */
+#define FCPIO_TDATA_SCSI_RSP 0x01 /* send a scsi resp. after last frame */
+
+/*
+ * fcpio_txrdy: host -> firmware request
+ *
+ * used for requesting the firmware to send out a write data transfer for a
+ * target command
+ */
+struct fcpio_txrdy {
+ u16 rx_id; /* FC rx_id of target command */
+ u16 _resvd0; /* reserved */
+ u32 rel_offset; /* data sequence relative offset */
+ u32 sgl_cnt; /* scatter-gather list count */
+ u32 data_len; /* length of data expected to send */
+ u64 sgl_addr; /* scatter-gather list address */
+};
+
+/*
+ * fcpio_trsp: host -> firmware request
+ *
+ * used for requesting the firmware to send out a response for a target
+ * command
+ */
+struct fcpio_trsp {
+ u16 rx_id; /* FC rx_id of target command */
+ u16 _resvd0; /* reserved */
+ u32 sense_len; /* sense data buffer length */
+ u64 sense_addr; /* sense data buffer address */
+ u16 _resvd1; /* reserved */
+ u8 flags; /* response request flags */
+ u8 scsi_status; /* SCSI status */
+ u32 residual; /* SCSI data residual value of I/O */
+};
+
+/*
+ * resposnse request flags
+ */
+#define FCPIO_TRSP_RESID_UNDER 0x08 /* residual is valid and is underflow */
+#define FCPIO_TRSP_RESID_OVER 0x04 /* residual is valid and is overflow */
+
+/*
+ * fcpio_ttmf_ack: host -> firmware response
+ *
+ * used by the host to indicate to the firmware it has received and processed
+ * the target tmf request
+ */
+struct fcpio_ttmf_ack {
+ u16 rx_id; /* FC rx_id of target command */
+ u16 _resvd0; /* reserved */
+ u32 tmf_status; /* SCSI task management status */
+};
+
+/*
+ * fcpio_tabort: host -> firmware request
+ *
+ * used by the host to request the firmware to abort a target request that was
+ * received by the firmware
+ */
+struct fcpio_tabort {
+ u16 rx_id; /* rx_id of the target request */
+};
+
+/*
+ * fcpio_reset: host -> firmware request
+ *
+ * used by the host to signal a reset of the driver to the firmware
+ * and to request firmware to clean up all outstanding I/O
+ */
+struct fcpio_reset {
+ u32 _resvd;
+};
+
+enum fcpio_flogi_reg_format_type {
+ FCPIO_FLOGI_REG_DEF_DEST = 0, /* Use the oui | s_id mac format */
+ FCPIO_FLOGI_REG_GW_DEST, /* Use the fixed gateway mac */
+};
+
+/*
+ * fcpio_flogi_reg: host -> firmware request
+ *
+ * fc vnic only
+ * used by the host to notify the firmware of the lif's s_id
+ * and destination mac address format
+ */
+struct fcpio_flogi_reg {
+ u8 format;
+ u8 s_id[3]; /* FC vNIC only: Source S_ID */
+ u8 gateway_mac[ETH_ALEN]; /* Destination gateway mac */
+ u16 _resvd;
+ u32 r_a_tov; /* R_A_TOV in msec */
+ u32 e_d_tov; /* E_D_TOV in msec */
+};
+
+/*
+ * fcpio_echo: host -> firmware request
+ *
+ * sends a heartbeat echo request to the firmware
+ */
+struct fcpio_echo {
+ u32 _resvd;
+};
+
+/*
+ * fcpio_lunmap_req: host -> firmware request
+ *
+ * scsi vnic only
+ * sends a request to retrieve the lunmap table for scsi vnics
+ */
+struct fcpio_lunmap_req {
+ u64 addr; /* address of the buffer */
+ u32 len; /* len of the buffer */
+};
+
+/*
+ * fcpio_flogi_fip_reg: host -> firmware request
+ *
+ * fc vnic only
+ * used by the host to notify the firmware of the lif's s_id
+ * and destination mac address format
+ */
+struct fcpio_flogi_fip_reg {
+ u8 _resvd0;
+ u8 s_id[3]; /* FC vNIC only: Source S_ID */
+ u8 fcf_mac[ETH_ALEN]; /* FCF Target destination mac */
+ u16 _resvd1;
+ u32 r_a_tov; /* R_A_TOV in msec */
+ u32 e_d_tov; /* E_D_TOV in msec */
+ u8 ha_mac[ETH_ALEN]; /* Host adapter source mac */
+ u16 _resvd2;
+};
+
+/*
+ * Basic structure for all fcpio structures that are sent from the host to the
+ * firmware. They are 128 bytes per structure.
+ */
+#define FCPIO_HOST_REQ_LEN 128 /* expected length of host requests */
+
+struct fcpio_host_req {
+ struct fcpio_header hdr;
+
+ union {
+ /*
+ * Defines space needed for request
+ */
+ u8 buf[FCPIO_HOST_REQ_LEN - sizeof(struct fcpio_header)];
+
+ /*
+ * Initiator host requests
+ */
+ struct fcpio_icmnd_16 icmnd_16;
+ struct fcpio_icmnd_32 icmnd_32;
+ struct fcpio_itmf itmf;
+
+ /*
+ * Target host requests
+ */
+ struct fcpio_tdata tdata;
+ struct fcpio_txrdy txrdy;
+ struct fcpio_trsp trsp;
+ struct fcpio_ttmf_ack ttmf_ack;
+ struct fcpio_tabort tabort;
+
+ /*
+ * Misc requests
+ */
+ struct fcpio_reset reset;
+ struct fcpio_flogi_reg flogi_reg;
+ struct fcpio_echo echo;
+ struct fcpio_lunmap_req lunmap_req;
+ struct fcpio_flogi_fip_reg flogi_fip_reg;
+ } u;
+};
+
+/*
+ * fcpio_icmnd_cmpl: firmware -> host response
+ *
+ * used for sending the host a response to an initiator command
+ */
+struct fcpio_icmnd_cmpl {
+ u8 _resvd0[6]; /* reserved */
+ u8 flags; /* response flags */
+ u8 scsi_status; /* SCSI status */
+ u32 residual; /* SCSI data residual length */
+ u32 sense_len; /* SCSI sense length */
+};
+
+/*
+ * response flags
+ */
+#define FCPIO_ICMND_CMPL_RESID_UNDER 0x08 /* resid under and valid */
+#define FCPIO_ICMND_CMPL_RESID_OVER 0x04 /* resid over and valid */
+
+/*
+ * fcpio_itmf_cmpl: firmware -> host response
+ *
+ * used for sending the host a response for a itmf request
+ */
+struct fcpio_itmf_cmpl {
+ u32 _resvd; /* reserved */
+};
+
+/*
+ * fcpio_tcmnd_16: firmware -> host request
+ *
+ * used by the firmware to notify the host of an incoming target SCSI 16-Byte
+ * request
+ */
+struct fcpio_tcmnd_16 {
+ u8 lun[LUN_ADDRESS]; /* FC vNIC only: LUN address */
+ u8 crn; /* SCSI Command Reference No. */
+ u8 pri_ta; /* SCSI Priority and Task attribute */
+ u8 _resvd2; /* reserved: should be 0 */
+ u8 flags; /* command flags */
+ u8 scsi_cdb[CDB_16]; /* SCSI Cmnd Descriptor Block */
+ u32 data_len; /* length of data expected */
+ u8 _resvd1; /* reserved */
+ u8 s_id[3]; /* FC vNIC only: Source S_ID */
+};
+
+/*
+ * Priority/Task Attribute settings
+ */
+#define FCPIO_TCMND_PTA_SIMPLE 0 /* simple task attribute */
+#define FCPIO_TCMND_PTA_HEADQ 1 /* head of queue task attribute */
+#define FCPIO_TCMND_PTA_ORDERED 2 /* ordered task attribute */
+#define FCPIO_TCMND_PTA_ACA 4 /* auto contingent allegiance */
+#define FCPIO_TCMND_PRI_SHIFT 3 /* priority field starts in bit 3 */
+
+/*
+ * Command flags
+ */
+#define FCPIO_TCMND_RDDATA 0x02 /* read data */
+#define FCPIO_TCMND_WRDATA 0x01 /* write data */
+
+/*
+ * fcpio_tcmnd_32: firmware -> host request
+ *
+ * used by the firmware to notify the host of an incoming target SCSI 32-Byte
+ * request
+ */
+struct fcpio_tcmnd_32 {
+ u8 lun[LUN_ADDRESS]; /* FC vNIC only: LUN address */
+ u8 crn; /* SCSI Command Reference No. */
+ u8 pri_ta; /* SCSI Priority and Task attribute */
+ u8 _resvd2; /* reserved: should be 0 */
+ u8 flags; /* command flags */
+ u8 scsi_cdb[CDB_32]; /* SCSI Cmnd Descriptor Block */
+ u32 data_len; /* length of data expected */
+ u8 _resvd0; /* reserved */
+ u8 s_id[3]; /* FC vNIC only: Source S_ID */
+};
+
+/*
+ * fcpio_tdrsp_cmpl: firmware -> host response
+ *
+ * used by the firmware to notify the host of a response to a host target
+ * command
+ */
+struct fcpio_tdrsp_cmpl {
+ u16 rx_id; /* rx_id of the target request */
+ u16 _resvd0; /* reserved */
+};
+
+/*
+ * fcpio_ttmf: firmware -> host request
+ *
+ * used by the firmware to notify the host of an incoming task management
+ * function request
+ */
+struct fcpio_ttmf {
+ u8 _resvd0; /* reserved */
+ u8 s_id[3]; /* FC vNIC only: Source S_ID */
+ u8 lun[LUN_ADDRESS]; /* FC vNIC only: LUN address */
+ u8 crn; /* SCSI Command Reference No. */
+ u8 _resvd2[3]; /* reserved */
+ u32 tmf_type; /* task management request type */
+};
+
+/*
+ * Task Management request
+ */
+#define FCPIO_TTMF_CLR_ACA 0x40 /* Clear ACA condition */
+#define FCPIO_TTMF_LUN_RESET 0x10 /* logical unit reset task mgmt */
+#define FCPIO_TTMF_CLR_TASK_SET 0x04 /* clear task set */
+#define FCPIO_TTMF_ABT_TASK_SET 0x02 /* abort task set */
+#define FCPIO_TTMF_ABT_TASK 0x01 /* abort task */
+
+/*
+ * fcpio_tabort_cmpl: firmware -> host response
+ *
+ * used by the firmware to respond to a host's tabort request
+ */
+struct fcpio_tabort_cmpl {
+ u16 rx_id; /* rx_id of the target request */
+ u16 _resvd0; /* reserved */
+};
+
+/*
+ * fcpio_ack: firmware -> host response
+ *
+ * used by firmware to notify the host of the last work request received
+ */
+struct fcpio_ack {
+ u16 request_out; /* last host entry received */
+ u16 _resvd;
+};
+
+/*
+ * fcpio_reset_cmpl: firmware -> host response
+ *
+ * use by firmware to respond to the host's reset request
+ */
+struct fcpio_reset_cmpl {
+ u16 vnic_id;
+};
+
+/*
+ * fcpio_flogi_reg_cmpl: firmware -> host response
+ *
+ * fc vnic only
+ * response to the fcpio_flogi_reg request
+ */
+struct fcpio_flogi_reg_cmpl {
+ u32 _resvd;
+};
+
+/*
+ * fcpio_echo_cmpl: firmware -> host response
+ *
+ * response to the fcpio_echo request
+ */
+struct fcpio_echo_cmpl {
+ u32 _resvd;
+};
+
+/*
+ * fcpio_lunmap_chng: firmware -> host notification
+ *
+ * scsi vnic only
+ * notifies the host that the lunmap tables have changed
+ */
+struct fcpio_lunmap_chng {
+ u32 _resvd;
+};
+
+/*
+ * fcpio_lunmap_req_cmpl: firmware -> host response
+ *
+ * scsi vnic only
+ * response for lunmap table request from the host
+ */
+struct fcpio_lunmap_req_cmpl {
+ u32 _resvd;
+};
+
+/*
+ * Basic structure for all fcpio structures that are sent from the firmware to
+ * the host. They are 64 bytes per structure.
+ */
+#define FCPIO_FW_REQ_LEN 64 /* expected length of fw requests */
+struct fcpio_fw_req {
+ struct fcpio_header hdr;
+
+ union {
+ /*
+ * Defines space needed for request
+ */
+ u8 buf[FCPIO_FW_REQ_LEN - sizeof(struct fcpio_header)];
+
+ /*
+ * Initiator firmware responses
+ */
+ struct fcpio_icmnd_cmpl icmnd_cmpl;
+ struct fcpio_itmf_cmpl itmf_cmpl;
+
+ /*
+ * Target firmware new requests
+ */
+ struct fcpio_tcmnd_16 tcmnd_16;
+ struct fcpio_tcmnd_32 tcmnd_32;
+
+ /*
+ * Target firmware responses
+ */
+ struct fcpio_tdrsp_cmpl tdrsp_cmpl;
+ struct fcpio_ttmf ttmf;
+ struct fcpio_tabort_cmpl tabort_cmpl;
+
+ /*
+ * Firmware response to work received
+ */
+ struct fcpio_ack ack;
+
+ /*
+ * Misc requests
+ */
+ struct fcpio_reset_cmpl reset_cmpl;
+ struct fcpio_flogi_reg_cmpl flogi_reg_cmpl;
+ struct fcpio_echo_cmpl echo_cmpl;
+ struct fcpio_lunmap_chng lunmap_chng;
+ struct fcpio_lunmap_req_cmpl lunmap_req_cmpl;
+ } u;
+};
+
+/*
+ * Access routines to encode and decode the color bit, which is the most
+ * significant bit of the MSB of the structure
+ */
+static inline void fcpio_color_enc(struct fcpio_fw_req *fw_req, u8 color)
+{
+ u8 *c = ((u8 *) fw_req) + sizeof(struct fcpio_fw_req) - 1;
+
+ if (color)
+ *c |= 0x80;
+ else
+ *c &= ~0x80;
+}
+
+static inline void fcpio_color_dec(struct fcpio_fw_req *fw_req, u8 *color)
+{
+ u8 *c = ((u8 *) fw_req) + sizeof(struct fcpio_fw_req) - 1;
+
+ *color = *c >> 7;
+
+ /*
+ * Make sure color bit is read from desc *before* other fields
+ * are read from desc. Hardware guarantees color bit is last
+ * bit (byte) written. Adding the rmb() prevents the compiler
+ * and/or CPU from reordering the reads which would potentially
+ * result in reading stale values.
+ */
+
+ rmb();
+
+}
+
+/*
+ * Lunmap table entry for scsi vnics
+ */
+#define FCPIO_LUNMAP_TABLE_SIZE 256
+#define FCPIO_FLAGS_LUNMAP_VALID 0x80
+#define FCPIO_FLAGS_BOOT 0x01
+struct fcpio_lunmap_entry {
+ u8 bus;
+ u8 target;
+ u8 lun;
+ u8 path_cnt;
+ u16 flags;
+ u16 update_cnt;
+};
+
+struct fcpio_lunmap_tbl {
+ u32 update_cnt;
+ struct fcpio_lunmap_entry lunmaps[FCPIO_LUNMAP_TABLE_SIZE];
+};
+
+#endif /* _FCPIO_H_ */
diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h
new file mode 100644
index 000000000000..e4c0a3d7d87b
--- /dev/null
+++ b/drivers/scsi/fnic/fnic.h
@@ -0,0 +1,265 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _FNIC_H_
+#define _FNIC_H_
+
+#include <linux/interrupt.h>
+#include <linux/netdevice.h>
+#include <linux/workqueue.h>
+#include <scsi/libfc.h>
+#include "fnic_io.h"
+#include "fnic_res.h"
+#include "vnic_dev.h"
+#include "vnic_wq.h"
+#include "vnic_rq.h"
+#include "vnic_cq.h"
+#include "vnic_wq_copy.h"
+#include "vnic_intr.h"
+#include "vnic_stats.h"
+#include "vnic_scsi.h"
+
+#define DRV_NAME "fnic"
+#define DRV_DESCRIPTION "Cisco FCoE HBA Driver"
+#define DRV_VERSION "1.0.0.1121"
+#define PFX DRV_NAME ": "
+#define DFX DRV_NAME "%d: "
+
+#define DESC_CLEAN_LOW_WATERMARK 8
+#define FNIC_MAX_IO_REQ 2048 /* scsi_cmnd tag map entries */
+#define FNIC_IO_LOCKS 64 /* IO locks: power of 2 */
+#define FNIC_DFLT_QUEUE_DEPTH 32
+#define FNIC_STATS_RATE_LIMIT 4 /* limit rate at which stats are pulled up */
+
+/*
+ * Tag bits used for special requests.
+ */
+#define BIT(nr) (1UL << (nr))
+#define FNIC_TAG_ABORT BIT(30) /* tag bit indicating abort */
+#define FNIC_TAG_DEV_RST BIT(29) /* indicates device reset */
+#define FNIC_TAG_MASK (BIT(24) - 1) /* mask for lookup */
+#define FNIC_NO_TAG -1
+
+/*
+ * Usage of the scsi_cmnd scratchpad.
+ * These fields are locked by the hashed io_req_lock.
+ */
+#define CMD_SP(Cmnd) ((Cmnd)->SCp.ptr)
+#define CMD_STATE(Cmnd) ((Cmnd)->SCp.phase)
+#define CMD_ABTS_STATUS(Cmnd) ((Cmnd)->SCp.Message)
+#define CMD_LR_STATUS(Cmnd) ((Cmnd)->SCp.have_data_in)
+#define CMD_TAG(Cmnd) ((Cmnd)->SCp.sent_command)
+
+#define FCPIO_INVALID_CODE 0x100 /* hdr_status value unused by firmware */
+
+#define FNIC_LUN_RESET_TIMEOUT 10000 /* mSec */
+#define FNIC_HOST_RESET_TIMEOUT 10000 /* mSec */
+#define FNIC_RMDEVICE_TIMEOUT 1000 /* mSec */
+#define FNIC_HOST_RESET_SETTLE_TIME 30 /* Sec */
+
+#define FNIC_MAX_FCP_TARGET 256
+
+extern unsigned int fnic_log_level;
+
+#define FNIC_MAIN_LOGGING 0x01
+#define FNIC_FCS_LOGGING 0x02
+#define FNIC_SCSI_LOGGING 0x04
+#define FNIC_ISR_LOGGING 0x08
+
+#define FNIC_CHECK_LOGGING(LEVEL, CMD) \
+do { \
+ if (unlikely(fnic_log_level & LEVEL)) \
+ do { \
+ CMD; \
+ } while (0); \
+} while (0)
+
+#define FNIC_MAIN_DBG(kern_level, host, fmt, args...) \
+ FNIC_CHECK_LOGGING(FNIC_MAIN_LOGGING, \
+ shost_printk(kern_level, host, fmt, ##args);)
+
+#define FNIC_FCS_DBG(kern_level, host, fmt, args...) \
+ FNIC_CHECK_LOGGING(FNIC_FCS_LOGGING, \
+ shost_printk(kern_level, host, fmt, ##args);)
+
+#define FNIC_SCSI_DBG(kern_level, host, fmt, args...) \
+ FNIC_CHECK_LOGGING(FNIC_SCSI_LOGGING, \
+ shost_printk(kern_level, host, fmt, ##args);)
+
+#define FNIC_ISR_DBG(kern_level, host, fmt, args...) \
+ FNIC_CHECK_LOGGING(FNIC_ISR_LOGGING, \
+ shost_printk(kern_level, host, fmt, ##args);)
+
+extern const char *fnic_state_str[];
+
+enum fnic_intx_intr_index {
+ FNIC_INTX_WQ_RQ_COPYWQ,
+ FNIC_INTX_ERR,
+ FNIC_INTX_NOTIFY,
+ FNIC_INTX_INTR_MAX,
+};
+
+enum fnic_msix_intr_index {
+ FNIC_MSIX_RQ,
+ FNIC_MSIX_WQ,
+ FNIC_MSIX_WQ_COPY,
+ FNIC_MSIX_ERR_NOTIFY,
+ FNIC_MSIX_INTR_MAX,
+};
+
+struct fnic_msix_entry {
+ int requested;
+ char devname[IFNAMSIZ];
+ irqreturn_t (*isr)(int, void *);
+ void *devid;
+};
+
+enum fnic_state {
+ FNIC_IN_FC_MODE = 0,
+ FNIC_IN_FC_TRANS_ETH_MODE,
+ FNIC_IN_ETH_MODE,
+ FNIC_IN_ETH_TRANS_FC_MODE,
+};
+
+#define FNIC_WQ_COPY_MAX 1
+#define FNIC_WQ_MAX 1
+#define FNIC_RQ_MAX 1
+#define FNIC_CQ_MAX (FNIC_WQ_COPY_MAX + FNIC_WQ_MAX + FNIC_RQ_MAX)
+
+struct mempool;
+
+/* Per-instance private data structure */
+struct fnic {
+ struct fc_lport *lport;
+ struct vnic_dev_bar bar0;
+
+ struct msix_entry msix_entry[FNIC_MSIX_INTR_MAX];
+ struct fnic_msix_entry msix[FNIC_MSIX_INTR_MAX];
+
+ struct vnic_stats *stats;
+ unsigned long stats_time; /* time of stats update */
+ struct vnic_nic_cfg *nic_cfg;
+ char name[IFNAMSIZ];
+ struct timer_list notify_timer; /* used for MSI interrupts */
+
+ unsigned int err_intr_offset;
+ unsigned int link_intr_offset;
+
+ unsigned int wq_count;
+ unsigned int cq_count;
+
+ u32 fcoui_mode:1; /* use fcoui address*/
+ u32 vlan_hw_insert:1; /* let hw insert the tag */
+ u32 in_remove:1; /* fnic device in removal */
+ u32 stop_rx_link_events:1; /* stop proc. rx frames, link events */
+
+ struct completion *remove_wait; /* device remove thread blocks */
+
+ struct fc_frame *flogi;
+ struct fc_frame *flogi_resp;
+ u16 flogi_oxid;
+ unsigned long s_id;
+ enum fnic_state state;
+ spinlock_t fnic_lock;
+
+ u16 vlan_id; /* VLAN tag including priority */
+ u8 mac_addr[ETH_ALEN];
+ u8 dest_addr[ETH_ALEN];
+ u8 data_src_addr[ETH_ALEN];
+ u64 fcp_input_bytes; /* internal statistic */
+ u64 fcp_output_bytes; /* internal statistic */
+ u32 link_down_cnt;
+ int link_status;
+
+ struct list_head list;
+ struct pci_dev *pdev;
+ struct vnic_fc_config config;
+ struct vnic_dev *vdev;
+ unsigned int raw_wq_count;
+ unsigned int wq_copy_count;
+ unsigned int rq_count;
+ int fw_ack_index[FNIC_WQ_COPY_MAX];
+ unsigned short fw_ack_recd[FNIC_WQ_COPY_MAX];
+ unsigned short wq_copy_desc_low[FNIC_WQ_COPY_MAX];
+ unsigned int intr_count;
+ u32 __iomem *legacy_pba;
+ struct fnic_host_tag *tags;
+ mempool_t *io_req_pool;
+ mempool_t *io_sgl_pool[FNIC_SGL_NUM_CACHES];
+ spinlock_t io_req_lock[FNIC_IO_LOCKS]; /* locks for scsi cmnds */
+
+ struct work_struct link_work;
+ struct work_struct frame_work;
+ struct sk_buff_head frame_queue;
+
+ /* copy work queue cache line section */
+ ____cacheline_aligned struct vnic_wq_copy wq_copy[FNIC_WQ_COPY_MAX];
+ /* completion queue cache line section */
+ ____cacheline_aligned struct vnic_cq cq[FNIC_CQ_MAX];
+
+ spinlock_t wq_copy_lock[FNIC_WQ_COPY_MAX];
+
+ /* work queue cache line section */
+ ____cacheline_aligned struct vnic_wq wq[FNIC_WQ_MAX];
+ spinlock_t wq_lock[FNIC_WQ_MAX];
+
+ /* receive queue cache line section */
+ ____cacheline_aligned struct vnic_rq rq[FNIC_RQ_MAX];
+
+ /* interrupt resource cache line section */
+ ____cacheline_aligned struct vnic_intr intr[FNIC_MSIX_INTR_MAX];
+};
+
+extern struct workqueue_struct *fnic_event_queue;
+extern struct device_attribute *fnic_attrs[];
+
+void fnic_clear_intr_mode(struct fnic *fnic);
+int fnic_set_intr_mode(struct fnic *fnic);
+void fnic_free_intr(struct fnic *fnic);
+int fnic_request_intr(struct fnic *fnic);
+
+int fnic_send(struct fc_lport *, struct fc_frame *);
+void fnic_free_wq_buf(struct vnic_wq *wq, struct vnic_wq_buf *buf);
+void fnic_handle_frame(struct work_struct *work);
+void fnic_handle_link(struct work_struct *work);
+int fnic_rq_cmpl_handler(struct fnic *fnic, int);
+int fnic_alloc_rq_frame(struct vnic_rq *rq);
+void fnic_free_rq_buf(struct vnic_rq *rq, struct vnic_rq_buf *buf);
+int fnic_send_frame(struct fnic *fnic, struct fc_frame *fp);
+
+int fnic_queuecommand(struct scsi_cmnd *, void (*done)(struct scsi_cmnd *));
+int fnic_abort_cmd(struct scsi_cmnd *);
+int fnic_device_reset(struct scsi_cmnd *);
+int fnic_host_reset(struct scsi_cmnd *);
+int fnic_reset(struct Scsi_Host *);
+void fnic_scsi_cleanup(struct fc_lport *);
+void fnic_scsi_abort_io(struct fc_lport *);
+void fnic_empty_scsi_cleanup(struct fc_lport *);
+void fnic_exch_mgr_reset(struct fc_lport *, u32, u32);
+int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int);
+int fnic_wq_cmpl_handler(struct fnic *fnic, int);
+int fnic_flogi_reg_handler(struct fnic *fnic);
+void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq,
+ struct fcpio_host_req *desc);
+int fnic_fw_reset_handler(struct fnic *fnic);
+void fnic_terminate_rport_io(struct fc_rport *);
+const char *fnic_state_to_str(unsigned int state);
+
+void fnic_log_q_error(struct fnic *fnic);
+void fnic_handle_link_event(struct fnic *fnic);
+
+#endif /* _FNIC_H_ */
diff --git a/drivers/scsi/fnic/fnic_attrs.c b/drivers/scsi/fnic/fnic_attrs.c
new file mode 100644
index 000000000000..aea0c3becfd4
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_attrs.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 <linux/string.h>
+#include <linux/device.h>
+#include <scsi/scsi_host.h>
+#include "fnic.h"
+
+static ssize_t fnic_show_state(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct fc_lport *lp = shost_priv(class_to_shost(dev));
+ struct fnic *fnic = lport_priv(lp);
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", fnic_state_str[fnic->state]);
+}
+
+static ssize_t fnic_show_drv_version(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%s\n", DRV_VERSION);
+}
+
+static ssize_t fnic_show_link_state(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct fc_lport *lp = shost_priv(class_to_shost(dev));
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", (lp->link_up)
+ ? "Link Up" : "Link Down");
+}
+
+static DEVICE_ATTR(fnic_state, S_IRUGO, fnic_show_state, NULL);
+static DEVICE_ATTR(drv_version, S_IRUGO, fnic_show_drv_version, NULL);
+static DEVICE_ATTR(link_state, S_IRUGO, fnic_show_link_state, NULL);
+
+struct device_attribute *fnic_attrs[] = {
+ &dev_attr_fnic_state,
+ &dev_attr_drv_version,
+ &dev_attr_link_state,
+ NULL,
+};
diff --git a/drivers/scsi/fnic/fnic_fcs.c b/drivers/scsi/fnic/fnic_fcs.c
new file mode 100644
index 000000000000..07e6eedb83ce
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_fcs.c
@@ -0,0 +1,742 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 <linux/errno.h>
+#include <linux/pci.h>
+#include <linux/skbuff.h>
+#include <linux/interrupt.h>
+#include <linux/spinlock.h>
+#include <linux/if_ether.h>
+#include <linux/if_vlan.h>
+#include <linux/workqueue.h>
+#include <scsi/fc/fc_els.h>
+#include <scsi/fc/fc_fcoe.h>
+#include <scsi/fc_frame.h>
+#include <scsi/libfc.h>
+#include "fnic_io.h"
+#include "fnic.h"
+#include "cq_enet_desc.h"
+#include "cq_exch_desc.h"
+
+struct workqueue_struct *fnic_event_queue;
+
+void fnic_handle_link(struct work_struct *work)
+{
+ struct fnic *fnic = container_of(work, struct fnic, link_work);
+ unsigned long flags;
+ int old_link_status;
+ u32 old_link_down_cnt;
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+
+ if (fnic->stop_rx_link_events) {
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ return;
+ }
+
+ old_link_down_cnt = fnic->link_down_cnt;
+ old_link_status = fnic->link_status;
+ fnic->link_status = vnic_dev_link_status(fnic->vdev);
+ fnic->link_down_cnt = vnic_dev_link_down_cnt(fnic->vdev);
+
+ if (old_link_status == fnic->link_status) {
+ if (!fnic->link_status)
+ /* DOWN -> DOWN */
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ else {
+ if (old_link_down_cnt != fnic->link_down_cnt) {
+ /* UP -> DOWN -> UP */
+ fnic->lport->host_stats.link_failure_count++;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ "link down\n");
+ fc_linkdown(fnic->lport);
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ "link up\n");
+ fc_linkup(fnic->lport);
+ } else
+ /* UP -> UP */
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ }
+ } else if (fnic->link_status) {
+ /* DOWN -> UP */
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, "link up\n");
+ fc_linkup(fnic->lport);
+ } else {
+ /* UP -> DOWN */
+ fnic->lport->host_stats.link_failure_count++;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, "link down\n");
+ fc_linkdown(fnic->lport);
+ }
+
+}
+
+/*
+ * This function passes incoming fabric frames to libFC
+ */
+void fnic_handle_frame(struct work_struct *work)
+{
+ struct fnic *fnic = container_of(work, struct fnic, frame_work);
+ struct fc_lport *lp = fnic->lport;
+ unsigned long flags;
+ struct sk_buff *skb;
+ struct fc_frame *fp;
+
+ while ((skb = skb_dequeue(&fnic->frame_queue))) {
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ if (fnic->stop_rx_link_events) {
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ dev_kfree_skb(skb);
+ return;
+ }
+ fp = (struct fc_frame *)skb;
+ /* if Flogi resp frame, register the address */
+ if (fr_flags(fp)) {
+ vnic_dev_add_addr(fnic->vdev,
+ fnic->data_src_addr);
+ fr_flags(fp) = 0;
+ }
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ fc_exch_recv(lp, lp->emp, fp);
+ }
+
+}
+
+static inline void fnic_import_rq_fc_frame(struct sk_buff *skb,
+ u32 len, u8 sof, u8 eof)
+{
+ struct fc_frame *fp = (struct fc_frame *)skb;
+
+ skb_trim(skb, len);
+ fr_eof(fp) = eof;
+ fr_sof(fp) = sof;
+}
+
+
+static inline int fnic_import_rq_eth_pkt(struct sk_buff *skb, u32 len)
+{
+ struct fc_frame *fp;
+ struct ethhdr *eh;
+ struct vlan_ethhdr *vh;
+ struct fcoe_hdr *fcoe_hdr;
+ struct fcoe_crc_eof *ft;
+ u32 transport_len = 0;
+
+ eh = (struct ethhdr *)skb->data;
+ vh = (struct vlan_ethhdr *)skb->data;
+ if (vh->h_vlan_proto == htons(ETH_P_8021Q) &&
+ vh->h_vlan_encapsulated_proto == htons(ETH_P_FCOE)) {
+ skb_pull(skb, sizeof(struct vlan_ethhdr));
+ transport_len += sizeof(struct vlan_ethhdr);
+ } else if (eh->h_proto == htons(ETH_P_FCOE)) {
+ transport_len += sizeof(struct ethhdr);
+ skb_pull(skb, sizeof(struct ethhdr));
+ } else
+ return -1;
+
+ fcoe_hdr = (struct fcoe_hdr *)skb->data;
+ if (FC_FCOE_DECAPS_VER(fcoe_hdr) != FC_FCOE_VER)
+ return -1;
+
+ fp = (struct fc_frame *)skb;
+ fc_frame_init(fp);
+ fr_sof(fp) = fcoe_hdr->fcoe_sof;
+ skb_pull(skb, sizeof(struct fcoe_hdr));
+ transport_len += sizeof(struct fcoe_hdr);
+
+ ft = (struct fcoe_crc_eof *)(skb->data + len -
+ transport_len - sizeof(*ft));
+ fr_eof(fp) = ft->fcoe_eof;
+ skb_trim(skb, len - transport_len - sizeof(*ft));
+ return 0;
+}
+
+static inline int fnic_handle_flogi_resp(struct fnic *fnic,
+ struct fc_frame *fp)
+{
+ u8 mac[ETH_ALEN] = FC_FCOE_FLOGI_MAC;
+ struct ethhdr *eth_hdr;
+ struct fc_frame_header *fh;
+ int ret = 0;
+ unsigned long flags;
+ struct fc_frame *old_flogi_resp = NULL;
+
+ fh = (struct fc_frame_header *)fr_hdr(fp);
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+
+ if (fnic->state == FNIC_IN_ETH_MODE) {
+
+ /*
+ * Check if oxid matches on taking the lock. A new Flogi
+ * issued by libFC might have changed the fnic cached oxid
+ */
+ if (fnic->flogi_oxid != ntohs(fh->fh_ox_id)) {
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ "Flogi response oxid not"
+ " matching cached oxid, dropping frame"
+ "\n");
+ ret = -1;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ dev_kfree_skb_irq(fp_skb(fp));
+ goto handle_flogi_resp_end;
+ }
+
+ /* Drop older cached flogi response frame, cache this frame */
+ old_flogi_resp = fnic->flogi_resp;
+ fnic->flogi_resp = fp;
+ fnic->flogi_oxid = FC_XID_UNKNOWN;
+
+ /*
+ * this frame is part of flogi get the src mac addr from this
+ * frame if the src mac is fcoui based then we mark the
+ * address mode flag to use fcoui base for dst mac addr
+ * otherwise we have to store the fcoe gateway addr
+ */
+ eth_hdr = (struct ethhdr *)skb_mac_header(fp_skb(fp));
+ memcpy(mac, eth_hdr->h_source, ETH_ALEN);
+
+ if (ntoh24(mac) == FC_FCOE_OUI)
+ fnic->fcoui_mode = 1;
+ else {
+ fnic->fcoui_mode = 0;
+ memcpy(fnic->dest_addr, mac, ETH_ALEN);
+ }
+
+ /*
+ * Except for Flogi frame, all outbound frames from us have the
+ * Eth Src address as FC_FCOE_OUI"our_sid". Flogi frame uses
+ * the vnic MAC address as the Eth Src address
+ */
+ fc_fcoe_set_mac(fnic->data_src_addr, fh->fh_d_id);
+
+ /* We get our s_id from the d_id of the flogi resp frame */
+ fnic->s_id = ntoh24(fh->fh_d_id);
+
+ /* Change state to reflect transition from Eth to FC mode */
+ fnic->state = FNIC_IN_ETH_TRANS_FC_MODE;
+
+ } else {
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ "Unexpected fnic state %s while"
+ " processing flogi resp\n",
+ fnic_state_to_str(fnic->state));
+ ret = -1;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ dev_kfree_skb_irq(fp_skb(fp));
+ goto handle_flogi_resp_end;
+ }
+
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ /* Drop older cached frame */
+ if (old_flogi_resp)
+ dev_kfree_skb_irq(fp_skb(old_flogi_resp));
+
+ /*
+ * send flogi reg request to firmware, this will put the fnic in
+ * in FC mode
+ */
+ ret = fnic_flogi_reg_handler(fnic);
+
+ if (ret < 0) {
+ int free_fp = 1;
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ /*
+ * free the frame is some other thread is not
+ * pointing to it
+ */
+ if (fnic->flogi_resp != fp)
+ free_fp = 0;
+ else
+ fnic->flogi_resp = NULL;
+
+ if (fnic->state == FNIC_IN_ETH_TRANS_FC_MODE)
+ fnic->state = FNIC_IN_ETH_MODE;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ if (free_fp)
+ dev_kfree_skb_irq(fp_skb(fp));
+ }
+
+ handle_flogi_resp_end:
+ return ret;
+}
+
+/* Returns 1 for a response that matches cached flogi oxid */
+static inline int is_matching_flogi_resp_frame(struct fnic *fnic,
+ struct fc_frame *fp)
+{
+ struct fc_frame_header *fh;
+ int ret = 0;
+ u32 f_ctl;
+
+ fh = fc_frame_header_get(fp);
+ f_ctl = ntoh24(fh->fh_f_ctl);
+
+ if (fnic->flogi_oxid == ntohs(fh->fh_ox_id) &&
+ fh->fh_r_ctl == FC_RCTL_ELS_REP &&
+ (f_ctl & (FC_FC_EX_CTX | FC_FC_SEQ_CTX)) == FC_FC_EX_CTX &&
+ fh->fh_type == FC_TYPE_ELS)
+ ret = 1;
+
+ return ret;
+}
+
+static void fnic_rq_cmpl_frame_recv(struct vnic_rq *rq, struct cq_desc
+ *cq_desc, struct vnic_rq_buf *buf,
+ int skipped __attribute__((unused)),
+ void *opaque)
+{
+ struct fnic *fnic = vnic_dev_priv(rq->vdev);
+ struct sk_buff *skb;
+ struct fc_frame *fp;
+ unsigned int eth_hdrs_stripped;
+ u8 type, color, eop, sop, ingress_port, vlan_stripped;
+ u8 fcoe = 0, fcoe_sof, fcoe_eof;
+ u8 fcoe_fc_crc_ok = 1, fcoe_enc_error = 0;
+ u8 tcp_udp_csum_ok, udp, tcp, ipv4_csum_ok;
+ u8 ipv6, ipv4, ipv4_fragment, rss_type, csum_not_calc;
+ u8 fcs_ok = 1, packet_error = 0;
+ u16 q_number, completed_index, bytes_written = 0, vlan, checksum;
+ u32 rss_hash;
+ u16 exchange_id, tmpl;
+ u8 sof = 0;
+ u8 eof = 0;
+ u32 fcp_bytes_written = 0;
+ unsigned long flags;
+
+ pci_unmap_single(fnic->pdev, buf->dma_addr, buf->len,
+ PCI_DMA_FROMDEVICE);
+ skb = buf->os_buf;
+ buf->os_buf = NULL;
+
+ cq_desc_dec(cq_desc, &type, &color, &q_number, &completed_index);
+ if (type == CQ_DESC_TYPE_RQ_FCP) {
+ cq_fcp_rq_desc_dec((struct cq_fcp_rq_desc *)cq_desc,
+ &type, &color, &q_number, &completed_index,
+ &eop, &sop, &fcoe_fc_crc_ok, &exchange_id,
+ &tmpl, &fcp_bytes_written, &sof, &eof,
+ &ingress_port, &packet_error,
+ &fcoe_enc_error, &fcs_ok, &vlan_stripped,
+ &vlan);
+ eth_hdrs_stripped = 1;
+
+ } else if (type == CQ_DESC_TYPE_RQ_ENET) {
+ cq_enet_rq_desc_dec((struct cq_enet_rq_desc *)cq_desc,
+ &type, &color, &q_number, &completed_index,
+ &ingress_port, &fcoe, &eop, &sop,
+ &rss_type, &csum_not_calc, &rss_hash,
+ &bytes_written, &packet_error,
+ &vlan_stripped, &vlan, &checksum,
+ &fcoe_sof, &fcoe_fc_crc_ok,
+ &fcoe_enc_error, &fcoe_eof,
+ &tcp_udp_csum_ok, &udp, &tcp,
+ &ipv4_csum_ok, &ipv6, &ipv4,
+ &ipv4_fragment, &fcs_ok);
+ eth_hdrs_stripped = 0;
+
+ } else {
+ /* wrong CQ type*/
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "fnic rq_cmpl wrong cq type x%x\n", type);
+ goto drop;
+ }
+
+ if (!fcs_ok || packet_error || !fcoe_fc_crc_ok || fcoe_enc_error) {
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ "fnic rq_cmpl fcoe x%x fcsok x%x"
+ " pkterr x%x fcoe_fc_crc_ok x%x, fcoe_enc_err"
+ " x%x\n",
+ fcoe, fcs_ok, packet_error,
+ fcoe_fc_crc_ok, fcoe_enc_error);
+ goto drop;
+ }
+
+ if (eth_hdrs_stripped)
+ fnic_import_rq_fc_frame(skb, fcp_bytes_written, sof, eof);
+ else if (fnic_import_rq_eth_pkt(skb, bytes_written))
+ goto drop;
+
+ fp = (struct fc_frame *)skb;
+
+ /*
+ * If frame is an ELS response that matches the cached FLOGI OX_ID,
+ * and is accept, issue flogi_reg_request copy wq request to firmware
+ * to register the S_ID and determine whether FC_OUI mode or GW mode.
+ */
+ if (is_matching_flogi_resp_frame(fnic, fp)) {
+ if (!eth_hdrs_stripped) {
+ if (fc_frame_payload_op(fp) == ELS_LS_ACC) {
+ fnic_handle_flogi_resp(fnic, fp);
+ return;
+ }
+ /*
+ * Recd. Flogi reject. No point registering
+ * with fw, but forward to libFC
+ */
+ goto forward;
+ }
+ goto drop;
+ }
+ if (!eth_hdrs_stripped)
+ goto drop;
+
+forward:
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ if (fnic->stop_rx_link_events) {
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ goto drop;
+ }
+ /* Use fr_flags to indicate whether succ. flogi resp or not */
+ fr_flags(fp) = 0;
+ fr_dev(fp) = fnic->lport;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ skb_queue_tail(&fnic->frame_queue, skb);
+ queue_work(fnic_event_queue, &fnic->frame_work);
+
+ return;
+drop:
+ dev_kfree_skb_irq(skb);
+}
+
+static int fnic_rq_cmpl_handler_cont(struct vnic_dev *vdev,
+ struct cq_desc *cq_desc, u8 type,
+ u16 q_number, u16 completed_index,
+ void *opaque)
+{
+ struct fnic *fnic = vnic_dev_priv(vdev);
+
+ vnic_rq_service(&fnic->rq[q_number], cq_desc, completed_index,
+ VNIC_RQ_RETURN_DESC, fnic_rq_cmpl_frame_recv,
+ NULL);
+ return 0;
+}
+
+int fnic_rq_cmpl_handler(struct fnic *fnic, int rq_work_to_do)
+{
+ unsigned int tot_rq_work_done = 0, cur_work_done;
+ unsigned int i;
+ int err;
+
+ for (i = 0; i < fnic->rq_count; i++) {
+ cur_work_done = vnic_cq_service(&fnic->cq[i], rq_work_to_do,
+ fnic_rq_cmpl_handler_cont,
+ NULL);
+ if (cur_work_done) {
+ err = vnic_rq_fill(&fnic->rq[i], fnic_alloc_rq_frame);
+ if (err)
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "fnic_alloc_rq_frame cant alloc"
+ " frame\n");
+ }
+ tot_rq_work_done += cur_work_done;
+ }
+
+ return tot_rq_work_done;
+}
+
+/*
+ * This function is called once at init time to allocate and fill RQ
+ * buffers. Subsequently, it is called in the interrupt context after RQ
+ * buffer processing to replenish the buffers in the RQ
+ */
+int fnic_alloc_rq_frame(struct vnic_rq *rq)
+{
+ struct fnic *fnic = vnic_dev_priv(rq->vdev);
+ struct sk_buff *skb;
+ u16 len;
+ dma_addr_t pa;
+
+ len = FC_FRAME_HEADROOM + FC_MAX_FRAME + FC_FRAME_TAILROOM;
+ skb = dev_alloc_skb(len);
+ if (!skb) {
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ "Unable to allocate RQ sk_buff\n");
+ return -ENOMEM;
+ }
+ skb_reset_mac_header(skb);
+ skb_reset_transport_header(skb);
+ skb_reset_network_header(skb);
+ skb_put(skb, len);
+ pa = pci_map_single(fnic->pdev, skb->data, len, PCI_DMA_FROMDEVICE);
+ fnic_queue_rq_desc(rq, skb, pa, len);
+ return 0;
+}
+
+void fnic_free_rq_buf(struct vnic_rq *rq, struct vnic_rq_buf *buf)
+{
+ struct fc_frame *fp = buf->os_buf;
+ struct fnic *fnic = vnic_dev_priv(rq->vdev);
+
+ pci_unmap_single(fnic->pdev, buf->dma_addr, buf->len,
+ PCI_DMA_FROMDEVICE);
+
+ dev_kfree_skb(fp_skb(fp));
+ buf->os_buf = NULL;
+}
+
+static inline int is_flogi_frame(struct fc_frame_header *fh)
+{
+ return fh->fh_r_ctl == FC_RCTL_ELS_REQ && *(u8 *)(fh + 1) == ELS_FLOGI;
+}
+
+int fnic_send_frame(struct fnic *fnic, struct fc_frame *fp)
+{
+ struct vnic_wq *wq = &fnic->wq[0];
+ struct sk_buff *skb;
+ dma_addr_t pa;
+ struct ethhdr *eth_hdr;
+ struct vlan_ethhdr *vlan_hdr;
+ struct fcoe_hdr *fcoe_hdr;
+ struct fc_frame_header *fh;
+ u32 tot_len, eth_hdr_len;
+ int ret = 0;
+ unsigned long flags;
+
+ fh = fc_frame_header_get(fp);
+ skb = fp_skb(fp);
+
+ if (!fnic->vlan_hw_insert) {
+ eth_hdr_len = sizeof(*vlan_hdr) + sizeof(*fcoe_hdr);
+ vlan_hdr = (struct vlan_ethhdr *)skb_push(skb, eth_hdr_len);
+ eth_hdr = (struct ethhdr *)vlan_hdr;
+ vlan_hdr->h_vlan_proto = htons(ETH_P_8021Q);
+ vlan_hdr->h_vlan_encapsulated_proto = htons(ETH_P_FCOE);
+ vlan_hdr->h_vlan_TCI = htons(fnic->vlan_id);
+ fcoe_hdr = (struct fcoe_hdr *)(vlan_hdr + 1);
+ } else {
+ eth_hdr_len = sizeof(*eth_hdr) + sizeof(*fcoe_hdr);
+ eth_hdr = (struct ethhdr *)skb_push(skb, eth_hdr_len);
+ eth_hdr->h_proto = htons(ETH_P_FCOE);
+ fcoe_hdr = (struct fcoe_hdr *)(eth_hdr + 1);
+ }
+
+ if (is_flogi_frame(fh)) {
+ fc_fcoe_set_mac(eth_hdr->h_dest, fh->fh_d_id);
+ memcpy(eth_hdr->h_source, fnic->mac_addr, ETH_ALEN);
+ } else {
+ if (fnic->fcoui_mode)
+ fc_fcoe_set_mac(eth_hdr->h_dest, fh->fh_d_id);
+ else
+ memcpy(eth_hdr->h_dest, fnic->dest_addr, ETH_ALEN);
+ memcpy(eth_hdr->h_source, fnic->data_src_addr, ETH_ALEN);
+ }
+
+ tot_len = skb->len;
+ BUG_ON(tot_len % 4);
+
+ memset(fcoe_hdr, 0, sizeof(*fcoe_hdr));
+ fcoe_hdr->fcoe_sof = fr_sof(fp);
+ if (FC_FCOE_VER)
+ FC_FCOE_ENCAPS_VER(fcoe_hdr, FC_FCOE_VER);
+
+ pa = pci_map_single(fnic->pdev, eth_hdr, tot_len, PCI_DMA_TODEVICE);
+
+ spin_lock_irqsave(&fnic->wq_lock[0], flags);
+
+ if (!vnic_wq_desc_avail(wq)) {
+ pci_unmap_single(fnic->pdev, pa,
+ tot_len, PCI_DMA_TODEVICE);
+ ret = -1;
+ goto fnic_send_frame_end;
+ }
+
+ fnic_queue_wq_desc(wq, skb, pa, tot_len, fr_eof(fp),
+ fnic->vlan_hw_insert, fnic->vlan_id, 1, 1, 1);
+fnic_send_frame_end:
+ spin_unlock_irqrestore(&fnic->wq_lock[0], flags);
+
+ if (ret)
+ dev_kfree_skb_any(fp_skb(fp));
+
+ return ret;
+}
+
+/*
+ * fnic_send
+ * Routine to send a raw frame
+ */
+int fnic_send(struct fc_lport *lp, struct fc_frame *fp)
+{
+ struct fnic *fnic = lport_priv(lp);
+ struct fc_frame_header *fh;
+ int ret = 0;
+ enum fnic_state old_state;
+ unsigned long flags;
+ struct fc_frame *old_flogi = NULL;
+ struct fc_frame *old_flogi_resp = NULL;
+
+ if (fnic->in_remove) {
+ dev_kfree_skb(fp_skb(fp));
+ ret = -1;
+ goto fnic_send_end;
+ }
+
+ fh = fc_frame_header_get(fp);
+ /* if not an Flogi frame, send it out, this is the common case */
+ if (!is_flogi_frame(fh))
+ return fnic_send_frame(fnic, fp);
+
+ /* Flogi frame, now enter the state machine */
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+again:
+ /* Get any old cached frames, free them after dropping lock */
+ old_flogi = fnic->flogi;
+ fnic->flogi = NULL;
+ old_flogi_resp = fnic->flogi_resp;
+ fnic->flogi_resp = NULL;
+
+ fnic->flogi_oxid = FC_XID_UNKNOWN;
+
+ old_state = fnic->state;
+ switch (old_state) {
+ case FNIC_IN_FC_MODE:
+ case FNIC_IN_ETH_TRANS_FC_MODE:
+ default:
+ fnic->state = FNIC_IN_FC_TRANS_ETH_MODE;
+ vnic_dev_del_addr(fnic->vdev, fnic->data_src_addr);
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ if (old_flogi) {
+ dev_kfree_skb(fp_skb(old_flogi));
+ old_flogi = NULL;
+ }
+ if (old_flogi_resp) {
+ dev_kfree_skb(fp_skb(old_flogi_resp));
+ old_flogi_resp = NULL;
+ }
+
+ ret = fnic_fw_reset_handler(fnic);
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ if (fnic->state != FNIC_IN_FC_TRANS_ETH_MODE)
+ goto again;
+ if (ret) {
+ fnic->state = old_state;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ dev_kfree_skb(fp_skb(fp));
+ goto fnic_send_end;
+ }
+ old_flogi = fnic->flogi;
+ fnic->flogi = fp;
+ fnic->flogi_oxid = ntohs(fh->fh_ox_id);
+ old_flogi_resp = fnic->flogi_resp;
+ fnic->flogi_resp = NULL;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ break;
+
+ case FNIC_IN_FC_TRANS_ETH_MODE:
+ /*
+ * A reset is pending with the firmware. Store the flogi
+ * and its oxid. The transition out of this state happens
+ * only when Firmware completes the reset, either with
+ * success or failed. If success, transition to
+ * FNIC_IN_ETH_MODE, if fail, then transition to
+ * FNIC_IN_FC_MODE
+ */
+ fnic->flogi = fp;
+ fnic->flogi_oxid = ntohs(fh->fh_ox_id);
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ break;
+
+ case FNIC_IN_ETH_MODE:
+ /*
+ * The fw/hw is already in eth mode. Store the oxid,
+ * and send the flogi frame out. The transition out of this
+ * state happens only we receive flogi response from the
+ * network, and the oxid matches the cached oxid when the
+ * flogi frame was sent out. If they match, then we issue
+ * a flogi_reg request and transition to state
+ * FNIC_IN_ETH_TRANS_FC_MODE
+ */
+ fnic->flogi_oxid = ntohs(fh->fh_ox_id);
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ ret = fnic_send_frame(fnic, fp);
+ break;
+ }
+
+fnic_send_end:
+ if (old_flogi)
+ dev_kfree_skb(fp_skb(old_flogi));
+ if (old_flogi_resp)
+ dev_kfree_skb(fp_skb(old_flogi_resp));
+ return ret;
+}
+
+static void fnic_wq_complete_frame_send(struct vnic_wq *wq,
+ struct cq_desc *cq_desc,
+ struct vnic_wq_buf *buf, void *opaque)
+{
+ struct sk_buff *skb = buf->os_buf;
+ struct fc_frame *fp = (struct fc_frame *)skb;
+ struct fnic *fnic = vnic_dev_priv(wq->vdev);
+
+ pci_unmap_single(fnic->pdev, buf->dma_addr,
+ buf->len, PCI_DMA_TODEVICE);
+ dev_kfree_skb_irq(fp_skb(fp));
+ buf->os_buf = NULL;
+}
+
+static int fnic_wq_cmpl_handler_cont(struct vnic_dev *vdev,
+ struct cq_desc *cq_desc, u8 type,
+ u16 q_number, u16 completed_index,
+ void *opaque)
+{
+ struct fnic *fnic = vnic_dev_priv(vdev);
+ unsigned long flags;
+
+ spin_lock_irqsave(&fnic->wq_lock[q_number], flags);
+ vnic_wq_service(&fnic->wq[q_number], cq_desc, completed_index,
+ fnic_wq_complete_frame_send, NULL);
+ spin_unlock_irqrestore(&fnic->wq_lock[q_number], flags);
+
+ return 0;
+}
+
+int fnic_wq_cmpl_handler(struct fnic *fnic, int work_to_do)
+{
+ unsigned int wq_work_done = 0;
+ unsigned int i;
+
+ for (i = 0; i < fnic->raw_wq_count; i++) {
+ wq_work_done += vnic_cq_service(&fnic->cq[fnic->rq_count+i],
+ work_to_do,
+ fnic_wq_cmpl_handler_cont,
+ NULL);
+ }
+
+ return wq_work_done;
+}
+
+
+void fnic_free_wq_buf(struct vnic_wq *wq, struct vnic_wq_buf *buf)
+{
+ struct fc_frame *fp = buf->os_buf;
+ struct fnic *fnic = vnic_dev_priv(wq->vdev);
+
+ pci_unmap_single(fnic->pdev, buf->dma_addr,
+ buf->len, PCI_DMA_TODEVICE);
+
+ dev_kfree_skb(fp_skb(fp));
+ buf->os_buf = NULL;
+}
diff --git a/drivers/scsi/fnic/fnic_io.h b/drivers/scsi/fnic/fnic_io.h
new file mode 100644
index 000000000000..f0b896988cd5
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_io.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _FNIC_IO_H_
+#define _FNIC_IO_H_
+
+#include <scsi/fc/fc_fcp.h>
+
+#define FNIC_DFLT_SG_DESC_CNT 32
+#define FNIC_MAX_SG_DESC_CNT 1024 /* Maximum descriptors per sgl */
+#define FNIC_SG_DESC_ALIGN 16 /* Descriptor address alignment */
+
+struct host_sg_desc {
+ __le64 addr;
+ __le32 len;
+ u32 _resvd;
+};
+
+struct fnic_dflt_sgl_list {
+ struct host_sg_desc sg_desc[FNIC_DFLT_SG_DESC_CNT];
+};
+
+struct fnic_sgl_list {
+ struct host_sg_desc sg_desc[FNIC_MAX_SG_DESC_CNT];
+};
+
+enum fnic_sgl_list_type {
+ FNIC_SGL_CACHE_DFLT = 0, /* cache with default size sgl */
+ FNIC_SGL_CACHE_MAX, /* cache with max size sgl */
+ FNIC_SGL_NUM_CACHES /* number of sgl caches */
+};
+
+enum fnic_ioreq_state {
+ FNIC_IOREQ_CMD_PENDING = 0,
+ FNIC_IOREQ_ABTS_PENDING,
+ FNIC_IOREQ_ABTS_COMPLETE,
+ FNIC_IOREQ_CMD_COMPLETE,
+};
+
+struct fnic_io_req {
+ struct host_sg_desc *sgl_list; /* sgl list */
+ void *sgl_list_alloc; /* sgl list address used for free */
+ dma_addr_t sense_buf_pa; /* dma address for sense buffer*/
+ dma_addr_t sgl_list_pa; /* dma address for sgl list */
+ u16 sgl_cnt;
+ u8 sgl_type; /* device DMA descriptor list type */
+ u8 io_completed:1; /* set to 1 when fw completes IO */
+ u32 port_id; /* remote port DID */
+ struct completion *abts_done; /* completion for abts */
+ struct completion *dr_done; /* completion for device reset */
+};
+
+#endif /* _FNIC_IO_H_ */
diff --git a/drivers/scsi/fnic/fnic_isr.c b/drivers/scsi/fnic/fnic_isr.c
new file mode 100644
index 000000000000..2b3064828aea
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_isr.c
@@ -0,0 +1,332 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 <linux/string.h>
+#include <linux/errno.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <scsi/libfc.h>
+#include <scsi/fc_frame.h>
+#include "vnic_dev.h"
+#include "vnic_intr.h"
+#include "vnic_stats.h"
+#include "fnic_io.h"
+#include "fnic.h"
+
+static irqreturn_t fnic_isr_legacy(int irq, void *data)
+{
+ struct fnic *fnic = data;
+ u32 pba;
+ unsigned long work_done = 0;
+
+ pba = vnic_intr_legacy_pba(fnic->legacy_pba);
+ if (!pba)
+ return IRQ_NONE;
+
+ if (pba & (1 << FNIC_INTX_NOTIFY)) {
+ vnic_intr_return_all_credits(&fnic->intr[FNIC_INTX_NOTIFY]);
+ fnic_handle_link_event(fnic);
+ }
+
+ if (pba & (1 << FNIC_INTX_ERR)) {
+ vnic_intr_return_all_credits(&fnic->intr[FNIC_INTX_ERR]);
+ fnic_log_q_error(fnic);
+ }
+
+ if (pba & (1 << FNIC_INTX_WQ_RQ_COPYWQ)) {
+ work_done += fnic_wq_copy_cmpl_handler(fnic, 8);
+ work_done += fnic_wq_cmpl_handler(fnic, 4);
+ work_done += fnic_rq_cmpl_handler(fnic, 4);
+
+ vnic_intr_return_credits(&fnic->intr[FNIC_INTX_WQ_RQ_COPYWQ],
+ work_done,
+ 1 /* unmask intr */,
+ 1 /* reset intr timer */);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t fnic_isr_msi(int irq, void *data)
+{
+ struct fnic *fnic = data;
+ unsigned long work_done = 0;
+
+ work_done += fnic_wq_copy_cmpl_handler(fnic, 8);
+ work_done += fnic_wq_cmpl_handler(fnic, 4);
+ work_done += fnic_rq_cmpl_handler(fnic, 4);
+
+ vnic_intr_return_credits(&fnic->intr[0],
+ work_done,
+ 1 /* unmask intr */,
+ 1 /* reset intr timer */);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t fnic_isr_msix_rq(int irq, void *data)
+{
+ struct fnic *fnic = data;
+ unsigned long rq_work_done = 0;
+
+ rq_work_done = fnic_rq_cmpl_handler(fnic, 4);
+ vnic_intr_return_credits(&fnic->intr[FNIC_MSIX_RQ],
+ rq_work_done,
+ 1 /* unmask intr */,
+ 1 /* reset intr timer */);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t fnic_isr_msix_wq(int irq, void *data)
+{
+ struct fnic *fnic = data;
+ unsigned long wq_work_done = 0;
+
+ wq_work_done = fnic_wq_cmpl_handler(fnic, 4);
+ vnic_intr_return_credits(&fnic->intr[FNIC_MSIX_WQ],
+ wq_work_done,
+ 1 /* unmask intr */,
+ 1 /* reset intr timer */);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t fnic_isr_msix_wq_copy(int irq, void *data)
+{
+ struct fnic *fnic = data;
+ unsigned long wq_copy_work_done = 0;
+
+ wq_copy_work_done = fnic_wq_copy_cmpl_handler(fnic, 8);
+ vnic_intr_return_credits(&fnic->intr[FNIC_MSIX_WQ_COPY],
+ wq_copy_work_done,
+ 1 /* unmask intr */,
+ 1 /* reset intr timer */);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t fnic_isr_msix_err_notify(int irq, void *data)
+{
+ struct fnic *fnic = data;
+
+ vnic_intr_return_all_credits(&fnic->intr[FNIC_MSIX_ERR_NOTIFY]);
+ fnic_log_q_error(fnic);
+ fnic_handle_link_event(fnic);
+
+ return IRQ_HANDLED;
+}
+
+void fnic_free_intr(struct fnic *fnic)
+{
+ int i;
+
+ switch (vnic_dev_get_intr_mode(fnic->vdev)) {
+ case VNIC_DEV_INTR_MODE_INTX:
+ case VNIC_DEV_INTR_MODE_MSI:
+ free_irq(fnic->pdev->irq, fnic);
+ break;
+
+ case VNIC_DEV_INTR_MODE_MSIX:
+ for (i = 0; i < ARRAY_SIZE(fnic->msix); i++)
+ if (fnic->msix[i].requested)
+ free_irq(fnic->msix_entry[i].vector,
+ fnic->msix[i].devid);
+ break;
+
+ default:
+ break;
+ }
+}
+
+int fnic_request_intr(struct fnic *fnic)
+{
+ int err = 0;
+ int i;
+
+ switch (vnic_dev_get_intr_mode(fnic->vdev)) {
+
+ case VNIC_DEV_INTR_MODE_INTX:
+ err = request_irq(fnic->pdev->irq, &fnic_isr_legacy,
+ IRQF_SHARED, DRV_NAME, fnic);
+ break;
+
+ case VNIC_DEV_INTR_MODE_MSI:
+ err = request_irq(fnic->pdev->irq, &fnic_isr_msi,
+ 0, fnic->name, fnic);
+ break;
+
+ case VNIC_DEV_INTR_MODE_MSIX:
+
+ sprintf(fnic->msix[FNIC_MSIX_RQ].devname,
+ "%.11s-fcs-rq", fnic->name);
+ fnic->msix[FNIC_MSIX_RQ].isr = fnic_isr_msix_rq;
+ fnic->msix[FNIC_MSIX_RQ].devid = fnic;
+
+ sprintf(fnic->msix[FNIC_MSIX_WQ].devname,
+ "%.11s-fcs-wq", fnic->name);
+ fnic->msix[FNIC_MSIX_WQ].isr = fnic_isr_msix_wq;
+ fnic->msix[FNIC_MSIX_WQ].devid = fnic;
+
+ sprintf(fnic->msix[FNIC_MSIX_WQ_COPY].devname,
+ "%.11s-scsi-wq", fnic->name);
+ fnic->msix[FNIC_MSIX_WQ_COPY].isr = fnic_isr_msix_wq_copy;
+ fnic->msix[FNIC_MSIX_WQ_COPY].devid = fnic;
+
+ sprintf(fnic->msix[FNIC_MSIX_ERR_NOTIFY].devname,
+ "%.11s-err-notify", fnic->name);
+ fnic->msix[FNIC_MSIX_ERR_NOTIFY].isr =
+ fnic_isr_msix_err_notify;
+ fnic->msix[FNIC_MSIX_ERR_NOTIFY].devid = fnic;
+
+ for (i = 0; i < ARRAY_SIZE(fnic->msix); i++) {
+ err = request_irq(fnic->msix_entry[i].vector,
+ fnic->msix[i].isr, 0,
+ fnic->msix[i].devname,
+ fnic->msix[i].devid);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "MSIX: request_irq"
+ " failed %d\n", err);
+ fnic_free_intr(fnic);
+ break;
+ }
+ fnic->msix[i].requested = 1;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ return err;
+}
+
+int fnic_set_intr_mode(struct fnic *fnic)
+{
+ unsigned int n = ARRAY_SIZE(fnic->rq);
+ unsigned int m = ARRAY_SIZE(fnic->wq);
+ unsigned int o = ARRAY_SIZE(fnic->wq_copy);
+ unsigned int i;
+
+ /*
+ * Set interrupt mode (INTx, MSI, MSI-X) depending
+ * system capabilities.
+ *
+ * Try MSI-X first
+ *
+ * We need n RQs, m WQs, o Copy WQs, n+m+o CQs, and n+m+o+1 INTRs
+ * (last INTR is used for WQ/RQ errors and notification area)
+ */
+
+ BUG_ON(ARRAY_SIZE(fnic->msix_entry) < n + m + o + 1);
+ for (i = 0; i < n + m + o + 1; i++)
+ fnic->msix_entry[i].entry = i;
+
+ if (fnic->rq_count >= n &&
+ fnic->raw_wq_count >= m &&
+ fnic->wq_copy_count >= o &&
+ fnic->cq_count >= n + m + o) {
+ if (!pci_enable_msix(fnic->pdev, fnic->msix_entry,
+ n + m + o + 1)) {
+ fnic->rq_count = n;
+ fnic->raw_wq_count = m;
+ fnic->wq_copy_count = o;
+ fnic->wq_count = m + o;
+ fnic->cq_count = n + m + o;
+ fnic->intr_count = n + m + o + 1;
+ fnic->err_intr_offset = FNIC_MSIX_ERR_NOTIFY;
+
+ FNIC_ISR_DBG(KERN_DEBUG, fnic->lport->host,
+ "Using MSI-X Interrupts\n");
+ vnic_dev_set_intr_mode(fnic->vdev,
+ VNIC_DEV_INTR_MODE_MSIX);
+ return 0;
+ }
+ }
+
+ /*
+ * Next try MSI
+ * We need 1 RQ, 1 WQ, 1 WQ_COPY, 3 CQs, and 1 INTR
+ */
+ if (fnic->rq_count >= 1 &&
+ fnic->raw_wq_count >= 1 &&
+ fnic->wq_copy_count >= 1 &&
+ fnic->cq_count >= 3 &&
+ fnic->intr_count >= 1 &&
+ !pci_enable_msi(fnic->pdev)) {
+
+ fnic->rq_count = 1;
+ fnic->raw_wq_count = 1;
+ fnic->wq_copy_count = 1;
+ fnic->wq_count = 2;
+ fnic->cq_count = 3;
+ fnic->intr_count = 1;
+ fnic->err_intr_offset = 0;
+
+ FNIC_ISR_DBG(KERN_DEBUG, fnic->lport->host,
+ "Using MSI Interrupts\n");
+ vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_MSI);
+
+ return 0;
+ }
+
+ /*
+ * Next try INTx
+ * We need 1 RQ, 1 WQ, 1 WQ_COPY, 3 CQs, and 3 INTRs
+ * 1 INTR is used for all 3 queues, 1 INTR for queue errors
+ * 1 INTR for notification area
+ */
+
+ if (fnic->rq_count >= 1 &&
+ fnic->raw_wq_count >= 1 &&
+ fnic->wq_copy_count >= 1 &&
+ fnic->cq_count >= 3 &&
+ fnic->intr_count >= 3) {
+
+ fnic->rq_count = 1;
+ fnic->raw_wq_count = 1;
+ fnic->wq_copy_count = 1;
+ fnic->cq_count = 3;
+ fnic->intr_count = 3;
+
+ FNIC_ISR_DBG(KERN_DEBUG, fnic->lport->host,
+ "Using Legacy Interrupts\n");
+ vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_INTX);
+
+ return 0;
+ }
+
+ vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_UNKNOWN);
+
+ return -EINVAL;
+}
+
+void fnic_clear_intr_mode(struct fnic *fnic)
+{
+ switch (vnic_dev_get_intr_mode(fnic->vdev)) {
+ case VNIC_DEV_INTR_MODE_MSIX:
+ pci_disable_msix(fnic->pdev);
+ break;
+ case VNIC_DEV_INTR_MODE_MSI:
+ pci_disable_msi(fnic->pdev);
+ break;
+ default:
+ break;
+ }
+
+ vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_INTX);
+}
+
diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c
new file mode 100644
index 000000000000..32ef6b87d895
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_main.c
@@ -0,0 +1,942 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 <linux/module.h>
+#include <linux/mempool.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/skbuff.h>
+#include <linux/interrupt.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_transport.h>
+#include <scsi/scsi_transport_fc.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/libfc.h>
+#include <scsi/fc_frame.h>
+
+#include "vnic_dev.h"
+#include "vnic_intr.h"
+#include "vnic_stats.h"
+#include "fnic_io.h"
+#include "fnic.h"
+
+#define PCI_DEVICE_ID_CISCO_FNIC 0x0045
+
+/* Timer to poll notification area for events. Used for MSI interrupts */
+#define FNIC_NOTIFY_TIMER_PERIOD (2 * HZ)
+
+static struct kmem_cache *fnic_sgl_cache[FNIC_SGL_NUM_CACHES];
+static struct kmem_cache *fnic_io_req_cache;
+LIST_HEAD(fnic_list);
+DEFINE_SPINLOCK(fnic_list_lock);
+
+/* Supported devices by fnic module */
+static struct pci_device_id fnic_id_table[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_FNIC) },
+ { 0, }
+};
+
+MODULE_DESCRIPTION(DRV_DESCRIPTION);
+MODULE_AUTHOR("Abhijeet Joglekar <abjoglek@cisco.com>, "
+ "Joseph R. Eykholt <jeykholt@cisco.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_VERSION(DRV_VERSION);
+MODULE_DEVICE_TABLE(pci, fnic_id_table);
+
+unsigned int fnic_log_level;
+module_param(fnic_log_level, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(fnic_log_level, "bit mask of fnic logging levels");
+
+
+static struct libfc_function_template fnic_transport_template = {
+ .frame_send = fnic_send,
+ .fcp_abort_io = fnic_empty_scsi_cleanup,
+ .fcp_cleanup = fnic_empty_scsi_cleanup,
+ .exch_mgr_reset = fnic_exch_mgr_reset
+};
+
+static int fnic_slave_alloc(struct scsi_device *sdev)
+{
+ struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
+ struct fc_lport *lp = shost_priv(sdev->host);
+ struct fnic *fnic = lport_priv(lp);
+
+ sdev->tagged_supported = 1;
+
+ if (!rport || fc_remote_port_chkready(rport))
+ return -ENXIO;
+
+ scsi_activate_tcq(sdev, FNIC_DFLT_QUEUE_DEPTH);
+ rport->dev_loss_tmo = fnic->config.port_down_timeout / 1000;
+
+ return 0;
+}
+
+static struct scsi_host_template fnic_host_template = {
+ .module = THIS_MODULE,
+ .name = DRV_NAME,
+ .queuecommand = fnic_queuecommand,
+ .eh_abort_handler = fnic_abort_cmd,
+ .eh_device_reset_handler = fnic_device_reset,
+ .eh_host_reset_handler = fnic_host_reset,
+ .slave_alloc = fnic_slave_alloc,
+ .change_queue_depth = fc_change_queue_depth,
+ .change_queue_type = fc_change_queue_type,
+ .this_id = -1,
+ .cmd_per_lun = 3,
+ .can_queue = FNIC_MAX_IO_REQ,
+ .use_clustering = ENABLE_CLUSTERING,
+ .sg_tablesize = FNIC_MAX_SG_DESC_CNT,
+ .max_sectors = 0xffff,
+ .shost_attrs = fnic_attrs,
+};
+
+static void fnic_get_host_speed(struct Scsi_Host *shost);
+static struct scsi_transport_template *fnic_fc_transport;
+static struct fc_host_statistics *fnic_get_stats(struct Scsi_Host *);
+
+static struct fc_function_template fnic_fc_functions = {
+
+ .show_host_node_name = 1,
+ .show_host_port_name = 1,
+ .show_host_supported_classes = 1,
+ .show_host_supported_fc4s = 1,
+ .show_host_active_fc4s = 1,
+ .show_host_maxframe_size = 1,
+ .show_host_port_id = 1,
+ .show_host_supported_speeds = 1,
+ .get_host_speed = fnic_get_host_speed,
+ .show_host_speed = 1,
+ .show_host_port_type = 1,
+ .get_host_port_state = fc_get_host_port_state,
+ .show_host_port_state = 1,
+ .show_host_symbolic_name = 1,
+ .show_rport_maxframe_size = 1,
+ .show_rport_supported_classes = 1,
+ .show_host_fabric_name = 1,
+ .show_starget_node_name = 1,
+ .show_starget_port_name = 1,
+ .show_starget_port_id = 1,
+ .show_rport_dev_loss_tmo = 1,
+ .issue_fc_host_lip = fnic_reset,
+ .get_fc_host_stats = fnic_get_stats,
+ .dd_fcrport_size = sizeof(struct fc_rport_libfc_priv),
+ .terminate_rport_io = fnic_terminate_rport_io,
+};
+
+static void fnic_get_host_speed(struct Scsi_Host *shost)
+{
+ struct fc_lport *lp = shost_priv(shost);
+ struct fnic *fnic = lport_priv(lp);
+ u32 port_speed = vnic_dev_port_speed(fnic->vdev);
+
+ /* Add in other values as they get defined in fw */
+ switch (port_speed) {
+ case 10000:
+ fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
+ break;
+ default:
+ fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
+ break;
+ }
+}
+
+static struct fc_host_statistics *fnic_get_stats(struct Scsi_Host *host)
+{
+ int ret;
+ struct fc_lport *lp = shost_priv(host);
+ struct fnic *fnic = lport_priv(lp);
+ struct fc_host_statistics *stats = &lp->host_stats;
+ struct vnic_stats *vs;
+ unsigned long flags;
+
+ if (time_before(jiffies, fnic->stats_time + HZ / FNIC_STATS_RATE_LIMIT))
+ return stats;
+ fnic->stats_time = jiffies;
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ ret = vnic_dev_stats_dump(fnic->vdev, &fnic->stats);
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ if (ret) {
+ FNIC_MAIN_DBG(KERN_DEBUG, fnic->lport->host,
+ "fnic: Get vnic stats failed"
+ " 0x%x", ret);
+ return stats;
+ }
+ vs = fnic->stats;
+ stats->tx_frames = vs->tx.tx_unicast_frames_ok;
+ stats->tx_words = vs->tx.tx_unicast_bytes_ok / 4;
+ stats->rx_frames = vs->rx.rx_unicast_frames_ok;
+ stats->rx_words = vs->rx.rx_unicast_bytes_ok / 4;
+ stats->error_frames = vs->tx.tx_errors + vs->rx.rx_errors;
+ stats->dumped_frames = vs->tx.tx_drops + vs->rx.rx_drop;
+ stats->invalid_crc_count = vs->rx.rx_crc_errors;
+ stats->seconds_since_last_reset = (jiffies - lp->boot_time) / HZ;
+ stats->fcp_input_megabytes = div_u64(fnic->fcp_input_bytes, 1000000);
+ stats->fcp_output_megabytes = div_u64(fnic->fcp_output_bytes, 1000000);
+
+ return stats;
+}
+
+void fnic_log_q_error(struct fnic *fnic)
+{
+ unsigned int i;
+ u32 error_status;
+
+ for (i = 0; i < fnic->raw_wq_count; i++) {
+ error_status = ioread32(&fnic->wq[i].ctrl->error_status);
+ if (error_status)
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "WQ[%d] error_status"
+ " %d\n", i, error_status);
+ }
+
+ for (i = 0; i < fnic->rq_count; i++) {
+ error_status = ioread32(&fnic->rq[i].ctrl->error_status);
+ if (error_status)
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "RQ[%d] error_status"
+ " %d\n", i, error_status);
+ }
+
+ for (i = 0; i < fnic->wq_copy_count; i++) {
+ error_status = ioread32(&fnic->wq_copy[i].ctrl->error_status);
+ if (error_status)
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "CWQ[%d] error_status"
+ " %d\n", i, error_status);
+ }
+}
+
+void fnic_handle_link_event(struct fnic *fnic)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ if (fnic->stop_rx_link_events) {
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ return;
+ }
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ queue_work(fnic_event_queue, &fnic->link_work);
+
+}
+
+static int fnic_notify_set(struct fnic *fnic)
+{
+ int err;
+
+ switch (vnic_dev_get_intr_mode(fnic->vdev)) {
+ case VNIC_DEV_INTR_MODE_INTX:
+ err = vnic_dev_notify_set(fnic->vdev, FNIC_INTX_NOTIFY);
+ break;
+ case VNIC_DEV_INTR_MODE_MSI:
+ err = vnic_dev_notify_set(fnic->vdev, -1);
+ break;
+ case VNIC_DEV_INTR_MODE_MSIX:
+ err = vnic_dev_notify_set(fnic->vdev, FNIC_MSIX_ERR_NOTIFY);
+ break;
+ default:
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Interrupt mode should be set up"
+ " before devcmd notify set %d\n",
+ vnic_dev_get_intr_mode(fnic->vdev));
+ err = -1;
+ break;
+ }
+
+ return err;
+}
+
+static void fnic_notify_timer(unsigned long data)
+{
+ struct fnic *fnic = (struct fnic *)data;
+
+ fnic_handle_link_event(fnic);
+ mod_timer(&fnic->notify_timer,
+ round_jiffies(jiffies + FNIC_NOTIFY_TIMER_PERIOD));
+}
+
+static void fnic_notify_timer_start(struct fnic *fnic)
+{
+ switch (vnic_dev_get_intr_mode(fnic->vdev)) {
+ case VNIC_DEV_INTR_MODE_MSI:
+ /*
+ * Schedule first timeout immediately. The driver is
+ * initiatialized and ready to look for link up notification
+ */
+ mod_timer(&fnic->notify_timer, jiffies);
+ break;
+ default:
+ /* Using intr for notification for INTx/MSI-X */
+ break;
+ };
+}
+
+static int fnic_dev_wait(struct vnic_dev *vdev,
+ int (*start)(struct vnic_dev *, int),
+ int (*finished)(struct vnic_dev *, int *),
+ int arg)
+{
+ unsigned long time;
+ int done;
+ int err;
+
+ err = start(vdev, arg);
+ if (err)
+ return err;
+
+ /* Wait for func to complete...2 seconds max */
+ time = jiffies + (HZ * 2);
+ do {
+ err = finished(vdev, &done);
+ if (err)
+ return err;
+ if (done)
+ return 0;
+ schedule_timeout_uninterruptible(HZ / 10);
+ } while (time_after(time, jiffies));
+
+ return -ETIMEDOUT;
+}
+
+static int fnic_cleanup(struct fnic *fnic)
+{
+ unsigned int i;
+ int err;
+ unsigned long flags;
+ struct fc_frame *flogi = NULL;
+ struct fc_frame *flogi_resp = NULL;
+
+ vnic_dev_disable(fnic->vdev);
+ for (i = 0; i < fnic->intr_count; i++)
+ vnic_intr_mask(&fnic->intr[i]);
+
+ for (i = 0; i < fnic->rq_count; i++) {
+ err = vnic_rq_disable(&fnic->rq[i]);
+ if (err)
+ return err;
+ }
+ for (i = 0; i < fnic->raw_wq_count; i++) {
+ err = vnic_wq_disable(&fnic->wq[i]);
+ if (err)
+ return err;
+ }
+ for (i = 0; i < fnic->wq_copy_count; i++) {
+ err = vnic_wq_copy_disable(&fnic->wq_copy[i]);
+ if (err)
+ return err;
+ }
+
+ /* Clean up completed IOs and FCS frames */
+ fnic_wq_copy_cmpl_handler(fnic, -1);
+ fnic_wq_cmpl_handler(fnic, -1);
+ fnic_rq_cmpl_handler(fnic, -1);
+
+ /* Clean up the IOs and FCS frames that have not completed */
+ for (i = 0; i < fnic->raw_wq_count; i++)
+ vnic_wq_clean(&fnic->wq[i], fnic_free_wq_buf);
+ for (i = 0; i < fnic->rq_count; i++)
+ vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf);
+ for (i = 0; i < fnic->wq_copy_count; i++)
+ vnic_wq_copy_clean(&fnic->wq_copy[i],
+ fnic_wq_copy_cleanup_handler);
+
+ for (i = 0; i < fnic->cq_count; i++)
+ vnic_cq_clean(&fnic->cq[i]);
+ for (i = 0; i < fnic->intr_count; i++)
+ vnic_intr_clean(&fnic->intr[i]);
+
+ /*
+ * Remove cached flogi and flogi resp frames if any
+ * These frames are not in any queue, and therefore queue
+ * cleanup does not clean them. So clean them explicitly
+ */
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ flogi = fnic->flogi;
+ fnic->flogi = NULL;
+ flogi_resp = fnic->flogi_resp;
+ fnic->flogi_resp = NULL;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ if (flogi)
+ dev_kfree_skb(fp_skb(flogi));
+
+ if (flogi_resp)
+ dev_kfree_skb(fp_skb(flogi_resp));
+
+ mempool_destroy(fnic->io_req_pool);
+ for (i = 0; i < FNIC_SGL_NUM_CACHES; i++)
+ mempool_destroy(fnic->io_sgl_pool[i]);
+
+ return 0;
+}
+
+static void fnic_iounmap(struct fnic *fnic)
+{
+ if (fnic->bar0.vaddr)
+ iounmap(fnic->bar0.vaddr);
+}
+
+/*
+ * Allocate element for mempools requiring GFP_DMA flag.
+ * Otherwise, checks in kmem_flagcheck() hit BUG_ON().
+ */
+static void *fnic_alloc_slab_dma(gfp_t gfp_mask, void *pool_data)
+{
+ struct kmem_cache *mem = pool_data;
+
+ return kmem_cache_alloc(mem, gfp_mask | GFP_ATOMIC | GFP_DMA);
+}
+
+static int __devinit fnic_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ struct Scsi_Host *host;
+ struct fc_lport *lp;
+ struct fnic *fnic;
+ mempool_t *pool;
+ int err;
+ int i;
+ unsigned long flags;
+
+ /*
+ * Allocate SCSI Host and set up association between host,
+ * local port, and fnic
+ */
+ host = scsi_host_alloc(&fnic_host_template,
+ sizeof(struct fc_lport) + sizeof(struct fnic));
+ if (!host) {
+ printk(KERN_ERR PFX "Unable to alloc SCSI host\n");
+ err = -ENOMEM;
+ goto err_out;
+ }
+ lp = shost_priv(host);
+ lp->host = host;
+ fnic = lport_priv(lp);
+ fnic->lport = lp;
+
+ snprintf(fnic->name, sizeof(fnic->name) - 1, "%s%d", DRV_NAME,
+ host->host_no);
+
+ host->transportt = fnic_fc_transport;
+
+ err = scsi_init_shared_tag_map(host, FNIC_MAX_IO_REQ);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Unable to alloc shared tag map\n");
+ goto err_out_free_hba;
+ }
+
+ /* Setup PCI resources */
+ pci_set_drvdata(pdev, fnic);
+
+ fnic->pdev = pdev;
+
+ err = pci_enable_device(pdev);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Cannot enable PCI device, aborting.\n");
+ goto err_out_free_hba;
+ }
+
+ err = pci_request_regions(pdev, DRV_NAME);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Cannot enable PCI resources, aborting\n");
+ goto err_out_disable_device;
+ }
+
+ pci_set_master(pdev);
+
+ /* Query PCI controller on system for DMA addressing
+ * limitation for the device. Try 40-bit first, and
+ * fail to 32-bit.
+ */
+ err = pci_set_dma_mask(pdev, DMA_40BIT_MASK);
+ if (err) {
+ err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "No usable DMA configuration "
+ "aborting\n");
+ goto err_out_release_regions;
+ }
+ err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Unable to obtain 32-bit DMA "
+ "for consistent allocations, aborting.\n");
+ goto err_out_release_regions;
+ }
+ } else {
+ err = pci_set_consistent_dma_mask(pdev, DMA_40BIT_MASK);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Unable to obtain 40-bit DMA "
+ "for consistent allocations, aborting.\n");
+ goto err_out_release_regions;
+ }
+ }
+
+ /* Map vNIC resources from BAR0 */
+ if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "BAR0 not memory-map'able, aborting.\n");
+ err = -ENODEV;
+ goto err_out_release_regions;
+ }
+
+ fnic->bar0.vaddr = pci_iomap(pdev, 0, 0);
+ fnic->bar0.bus_addr = pci_resource_start(pdev, 0);
+ fnic->bar0.len = pci_resource_len(pdev, 0);
+
+ if (!fnic->bar0.vaddr) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Cannot memory-map BAR0 res hdr, "
+ "aborting.\n");
+ err = -ENODEV;
+ goto err_out_release_regions;
+ }
+
+ fnic->vdev = vnic_dev_register(NULL, fnic, pdev, &fnic->bar0);
+ if (!fnic->vdev) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "vNIC registration failed, "
+ "aborting.\n");
+ err = -ENODEV;
+ goto err_out_iounmap;
+ }
+
+ err = fnic_dev_wait(fnic->vdev, vnic_dev_open,
+ vnic_dev_open_done, 0);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "vNIC dev open failed, aborting.\n");
+ goto err_out_vnic_unregister;
+ }
+
+ err = vnic_dev_init(fnic->vdev, 0);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "vNIC dev init failed, aborting.\n");
+ goto err_out_dev_close;
+ }
+
+ err = vnic_dev_mac_addr(fnic->vdev, fnic->mac_addr);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "vNIC get MAC addr failed \n");
+ goto err_out_dev_close;
+ }
+
+ /* Get vNIC configuration */
+ err = fnic_get_vnic_config(fnic);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Get vNIC configuration failed, "
+ "aborting.\n");
+ goto err_out_dev_close;
+ }
+ host->max_lun = fnic->config.luns_per_tgt;
+ host->max_id = FNIC_MAX_FCP_TARGET;
+
+ fnic_get_res_counts(fnic);
+
+ err = fnic_set_intr_mode(fnic);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Failed to set intr mode, "
+ "aborting.\n");
+ goto err_out_dev_close;
+ }
+
+ err = fnic_request_intr(fnic);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Unable to request irq.\n");
+ goto err_out_clear_intr;
+ }
+
+ err = fnic_alloc_vnic_resources(fnic);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Failed to alloc vNIC resources, "
+ "aborting.\n");
+ goto err_out_free_intr;
+ }
+
+
+ /* initialize all fnic locks */
+ spin_lock_init(&fnic->fnic_lock);
+
+ for (i = 0; i < FNIC_WQ_MAX; i++)
+ spin_lock_init(&fnic->wq_lock[i]);
+
+ for (i = 0; i < FNIC_WQ_COPY_MAX; i++) {
+ spin_lock_init(&fnic->wq_copy_lock[i]);
+ fnic->wq_copy_desc_low[i] = DESC_CLEAN_LOW_WATERMARK;
+ fnic->fw_ack_recd[i] = 0;
+ fnic->fw_ack_index[i] = -1;
+ }
+
+ for (i = 0; i < FNIC_IO_LOCKS; i++)
+ spin_lock_init(&fnic->io_req_lock[i]);
+
+ fnic->io_req_pool = mempool_create_slab_pool(2, fnic_io_req_cache);
+ if (!fnic->io_req_pool)
+ goto err_out_free_resources;
+
+ pool = mempool_create(2, fnic_alloc_slab_dma, mempool_free_slab,
+ fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
+ if (!pool)
+ goto err_out_free_ioreq_pool;
+ fnic->io_sgl_pool[FNIC_SGL_CACHE_DFLT] = pool;
+
+ pool = mempool_create(2, fnic_alloc_slab_dma, mempool_free_slab,
+ fnic_sgl_cache[FNIC_SGL_CACHE_MAX]);
+ if (!pool)
+ goto err_out_free_dflt_pool;
+ fnic->io_sgl_pool[FNIC_SGL_CACHE_MAX] = pool;
+
+ /* setup vlan config, hw inserts vlan header */
+ fnic->vlan_hw_insert = 1;
+ fnic->vlan_id = 0;
+
+ fnic->flogi_oxid = FC_XID_UNKNOWN;
+ fnic->flogi = NULL;
+ fnic->flogi_resp = NULL;
+ fnic->state = FNIC_IN_FC_MODE;
+
+ /* Enable hardware stripping of vlan header on ingress */
+ fnic_set_nic_config(fnic, 0, 0, 0, 0, 0, 0, 1);
+
+ /* Setup notification buffer area */
+ err = fnic_notify_set(fnic);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Failed to alloc notify buffer, aborting.\n");
+ goto err_out_free_max_pool;
+ }
+
+ /* Setup notify timer when using MSI interrupts */
+ if (vnic_dev_get_intr_mode(fnic->vdev) == VNIC_DEV_INTR_MODE_MSI)
+ setup_timer(&fnic->notify_timer,
+ fnic_notify_timer, (unsigned long)fnic);
+
+ /* allocate RQ buffers and post them to RQ*/
+ for (i = 0; i < fnic->rq_count; i++) {
+ err = vnic_rq_fill(&fnic->rq[i], fnic_alloc_rq_frame);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "fnic_alloc_rq_frame can't alloc "
+ "frame\n");
+ goto err_out_free_rq_buf;
+ }
+ }
+
+ /*
+ * Initialization done with PCI system, hardware, firmware.
+ * Add host to SCSI
+ */
+ err = scsi_add_host(lp->host, &pdev->dev);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "fnic: scsi_add_host failed...exiting\n");
+ goto err_out_free_rq_buf;
+ }
+
+ /* Start local port initiatialization */
+
+ lp->link_up = 0;
+ lp->tt = fnic_transport_template;
+
+ lp->emp = fc_exch_mgr_alloc(lp, FC_CLASS_3,
+ FCPIO_HOST_EXCH_RANGE_START,
+ FCPIO_HOST_EXCH_RANGE_END);
+ if (!lp->emp) {
+ err = -ENOMEM;
+ goto err_out_remove_scsi_host;
+ }
+
+ lp->max_retry_count = fnic->config.flogi_retries;
+ lp->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS |
+ FCP_SPPF_CONF_COMPL);
+ if (fnic->config.flags & VFCF_FCP_SEQ_LVL_ERR)
+ lp->service_params |= FCP_SPPF_RETRY;
+
+ lp->boot_time = jiffies;
+ lp->e_d_tov = fnic->config.ed_tov;
+ lp->r_a_tov = fnic->config.ra_tov;
+ lp->link_supported_speeds = FC_PORTSPEED_10GBIT;
+ fc_set_wwnn(lp, fnic->config.node_wwn);
+ fc_set_wwpn(lp, fnic->config.port_wwn);
+
+ fc_exch_init(lp);
+ fc_lport_init(lp);
+ fc_elsct_init(lp);
+ fc_rport_init(lp);
+ fc_disc_init(lp);
+
+ fc_lport_config(lp);
+
+ if (fc_set_mfs(lp, fnic->config.maxdatafieldsize +
+ sizeof(struct fc_frame_header))) {
+ err = -EINVAL;
+ goto err_out_free_exch_mgr;
+ }
+ fc_host_maxframe_size(lp->host) = lp->mfs;
+
+ sprintf(fc_host_symbolic_name(lp->host),
+ DRV_NAME " v" DRV_VERSION " over %s", fnic->name);
+
+ spin_lock_irqsave(&fnic_list_lock, flags);
+ list_add_tail(&fnic->list, &fnic_list);
+ spin_unlock_irqrestore(&fnic_list_lock, flags);
+
+ INIT_WORK(&fnic->link_work, fnic_handle_link);
+ INIT_WORK(&fnic->frame_work, fnic_handle_frame);
+ skb_queue_head_init(&fnic->frame_queue);
+
+ /* Enable all queues */
+ for (i = 0; i < fnic->raw_wq_count; i++)
+ vnic_wq_enable(&fnic->wq[i]);
+ for (i = 0; i < fnic->rq_count; i++)
+ vnic_rq_enable(&fnic->rq[i]);
+ for (i = 0; i < fnic->wq_copy_count; i++)
+ vnic_wq_copy_enable(&fnic->wq_copy[i]);
+
+ fc_fabric_login(lp);
+
+ vnic_dev_enable(fnic->vdev);
+ for (i = 0; i < fnic->intr_count; i++)
+ vnic_intr_unmask(&fnic->intr[i]);
+
+ fnic_notify_timer_start(fnic);
+
+ return 0;
+
+err_out_free_exch_mgr:
+ fc_exch_mgr_free(lp->emp);
+err_out_remove_scsi_host:
+ fc_remove_host(fnic->lport->host);
+ scsi_remove_host(fnic->lport->host);
+err_out_free_rq_buf:
+ for (i = 0; i < fnic->rq_count; i++)
+ vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf);
+ vnic_dev_notify_unset(fnic->vdev);
+err_out_free_max_pool:
+ mempool_destroy(fnic->io_sgl_pool[FNIC_SGL_CACHE_MAX]);
+err_out_free_dflt_pool:
+ mempool_destroy(fnic->io_sgl_pool[FNIC_SGL_CACHE_DFLT]);
+err_out_free_ioreq_pool:
+ mempool_destroy(fnic->io_req_pool);
+err_out_free_resources:
+ fnic_free_vnic_resources(fnic);
+err_out_free_intr:
+ fnic_free_intr(fnic);
+err_out_clear_intr:
+ fnic_clear_intr_mode(fnic);
+err_out_dev_close:
+ vnic_dev_close(fnic->vdev);
+err_out_vnic_unregister:
+ vnic_dev_unregister(fnic->vdev);
+err_out_iounmap:
+ fnic_iounmap(fnic);
+err_out_release_regions:
+ pci_release_regions(pdev);
+err_out_disable_device:
+ pci_disable_device(pdev);
+err_out_free_hba:
+ scsi_host_put(lp->host);
+err_out:
+ return err;
+}
+
+static void __devexit fnic_remove(struct pci_dev *pdev)
+{
+ struct fnic *fnic = pci_get_drvdata(pdev);
+ unsigned long flags;
+
+ /*
+ * Mark state so that the workqueue thread stops forwarding
+ * received frames and link events to the local port. ISR and
+ * other threads that can queue work items will also stop
+ * creating work items on the fnic workqueue
+ */
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ fnic->stop_rx_link_events = 1;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ if (vnic_dev_get_intr_mode(fnic->vdev) == VNIC_DEV_INTR_MODE_MSI)
+ del_timer_sync(&fnic->notify_timer);
+
+ /*
+ * Flush the fnic event queue. After this call, there should
+ * be no event queued for this fnic device in the workqueue
+ */
+ flush_workqueue(fnic_event_queue);
+ skb_queue_purge(&fnic->frame_queue);
+
+ /*
+ * Log off the fabric. This stops all remote ports, dns port,
+ * logs off the fabric. This flushes all rport, disc, lport work
+ * before returning
+ */
+ fc_fabric_logoff(fnic->lport);
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ fnic->in_remove = 1;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ fc_lport_destroy(fnic->lport);
+
+ /*
+ * This stops the fnic device, masks all interrupts. Completed
+ * CQ entries are drained. Posted WQ/RQ/Copy-WQ entries are
+ * cleaned up
+ */
+ fnic_cleanup(fnic);
+
+ BUG_ON(!skb_queue_empty(&fnic->frame_queue));
+
+ spin_lock_irqsave(&fnic_list_lock, flags);
+ list_del(&fnic->list);
+ spin_unlock_irqrestore(&fnic_list_lock, flags);
+
+ fc_remove_host(fnic->lport->host);
+ scsi_remove_host(fnic->lport->host);
+ fc_exch_mgr_free(fnic->lport->emp);
+ vnic_dev_notify_unset(fnic->vdev);
+ fnic_free_vnic_resources(fnic);
+ fnic_free_intr(fnic);
+ fnic_clear_intr_mode(fnic);
+ vnic_dev_close(fnic->vdev);
+ vnic_dev_unregister(fnic->vdev);
+ fnic_iounmap(fnic);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+ scsi_host_put(fnic->lport->host);
+}
+
+static struct pci_driver fnic_driver = {
+ .name = DRV_NAME,
+ .id_table = fnic_id_table,
+ .probe = fnic_probe,
+ .remove = __devexit_p(fnic_remove),
+};
+
+static int __init fnic_init_module(void)
+{
+ size_t len;
+ int err = 0;
+
+ printk(KERN_INFO PFX "%s, ver %s\n", DRV_DESCRIPTION, DRV_VERSION);
+
+ /* Create a cache for allocation of default size sgls */
+ len = sizeof(struct fnic_dflt_sgl_list);
+ fnic_sgl_cache[FNIC_SGL_CACHE_DFLT] = kmem_cache_create
+ ("fnic_sgl_dflt", len + FNIC_SG_DESC_ALIGN, FNIC_SG_DESC_ALIGN,
+ SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA,
+ NULL);
+ if (!fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]) {
+ printk(KERN_ERR PFX "failed to create fnic dflt sgl slab\n");
+ err = -ENOMEM;
+ goto err_create_fnic_sgl_slab_dflt;
+ }
+
+ /* Create a cache for allocation of max size sgls*/
+ len = sizeof(struct fnic_sgl_list);
+ fnic_sgl_cache[FNIC_SGL_CACHE_MAX] = kmem_cache_create
+ ("fnic_sgl_max", len + FNIC_SG_DESC_ALIGN, FNIC_SG_DESC_ALIGN,
+ SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA,
+ NULL);
+ if (!fnic_sgl_cache[FNIC_SGL_CACHE_MAX]) {
+ printk(KERN_ERR PFX "failed to create fnic max sgl slab\n");
+ err = -ENOMEM;
+ goto err_create_fnic_sgl_slab_max;
+ }
+
+ /* Create a cache of io_req structs for use via mempool */
+ fnic_io_req_cache = kmem_cache_create("fnic_io_req",
+ sizeof(struct fnic_io_req),
+ 0, SLAB_HWCACHE_ALIGN, NULL);
+ if (!fnic_io_req_cache) {
+ printk(KERN_ERR PFX "failed to create fnic io_req slab\n");
+ err = -ENOMEM;
+ goto err_create_fnic_ioreq_slab;
+ }
+
+ fnic_event_queue = create_singlethread_workqueue("fnic_event_wq");
+ if (!fnic_event_queue) {
+ printk(KERN_ERR PFX "fnic work queue create failed\n");
+ err = -ENOMEM;
+ goto err_create_fnic_workq;
+ }
+
+ spin_lock_init(&fnic_list_lock);
+ INIT_LIST_HEAD(&fnic_list);
+
+ fnic_fc_transport = fc_attach_transport(&fnic_fc_functions);
+ if (!fnic_fc_transport) {
+ printk(KERN_ERR PFX "fc_attach_transport error\n");
+ err = -ENOMEM;
+ goto err_fc_transport;
+ }
+
+ /* register the driver with PCI system */
+ err = pci_register_driver(&fnic_driver);
+ if (err < 0) {
+ printk(KERN_ERR PFX "pci register error\n");
+ goto err_pci_register;
+ }
+ return err;
+
+err_pci_register:
+ fc_release_transport(fnic_fc_transport);
+err_fc_transport:
+ destroy_workqueue(fnic_event_queue);
+err_create_fnic_workq:
+ kmem_cache_destroy(fnic_io_req_cache);
+err_create_fnic_ioreq_slab:
+ kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_MAX]);
+err_create_fnic_sgl_slab_max:
+ kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
+err_create_fnic_sgl_slab_dflt:
+ return err;
+}
+
+static void __exit fnic_cleanup_module(void)
+{
+ pci_unregister_driver(&fnic_driver);
+ destroy_workqueue(fnic_event_queue);
+ kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_MAX]);
+ kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
+ kmem_cache_destroy(fnic_io_req_cache);
+ fc_release_transport(fnic_fc_transport);
+}
+
+module_init(fnic_init_module);
+module_exit(fnic_cleanup_module);
+
diff --git a/drivers/scsi/fnic/fnic_res.c b/drivers/scsi/fnic/fnic_res.c
new file mode 100644
index 000000000000..7ba61ec715d2
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_res.c
@@ -0,0 +1,444 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include "wq_enet_desc.h"
+#include "rq_enet_desc.h"
+#include "cq_enet_desc.h"
+#include "vnic_resource.h"
+#include "vnic_dev.h"
+#include "vnic_wq.h"
+#include "vnic_rq.h"
+#include "vnic_cq.h"
+#include "vnic_intr.h"
+#include "vnic_stats.h"
+#include "vnic_nic.h"
+#include "fnic.h"
+
+int fnic_get_vnic_config(struct fnic *fnic)
+{
+ struct vnic_fc_config *c = &fnic->config;
+ int err;
+
+#define GET_CONFIG(m) \
+ do { \
+ err = vnic_dev_spec(fnic->vdev, \
+ offsetof(struct vnic_fc_config, m), \
+ sizeof(c->m), &c->m); \
+ if (err) { \
+ shost_printk(KERN_ERR, fnic->lport->host, \
+ "Error getting %s, %d\n", #m, \
+ err); \
+ return err; \
+ } \
+ } while (0);
+
+ GET_CONFIG(node_wwn);
+ GET_CONFIG(port_wwn);
+ GET_CONFIG(wq_enet_desc_count);
+ GET_CONFIG(wq_copy_desc_count);
+ GET_CONFIG(rq_desc_count);
+ GET_CONFIG(maxdatafieldsize);
+ GET_CONFIG(ed_tov);
+ GET_CONFIG(ra_tov);
+ GET_CONFIG(intr_timer);
+ GET_CONFIG(intr_timer_type);
+ GET_CONFIG(flags);
+ GET_CONFIG(flogi_retries);
+ GET_CONFIG(flogi_timeout);
+ GET_CONFIG(plogi_retries);
+ GET_CONFIG(plogi_timeout);
+ GET_CONFIG(io_throttle_count);
+ GET_CONFIG(link_down_timeout);
+ GET_CONFIG(port_down_timeout);
+ GET_CONFIG(port_down_io_retries);
+ GET_CONFIG(luns_per_tgt);
+
+ c->wq_enet_desc_count =
+ min_t(u32, VNIC_FNIC_WQ_DESCS_MAX,
+ max_t(u32, VNIC_FNIC_WQ_DESCS_MIN,
+ c->wq_enet_desc_count));
+ c->wq_enet_desc_count = ALIGN(c->wq_enet_desc_count, 16);
+
+ c->wq_copy_desc_count =
+ min_t(u32, VNIC_FNIC_WQ_COPY_DESCS_MAX,
+ max_t(u32, VNIC_FNIC_WQ_COPY_DESCS_MIN,
+ c->wq_copy_desc_count));
+ c->wq_copy_desc_count = ALIGN(c->wq_copy_desc_count, 16);
+
+ c->rq_desc_count =
+ min_t(u32, VNIC_FNIC_RQ_DESCS_MAX,
+ max_t(u32, VNIC_FNIC_RQ_DESCS_MIN,
+ c->rq_desc_count));
+ c->rq_desc_count = ALIGN(c->rq_desc_count, 16);
+
+ c->maxdatafieldsize =
+ min_t(u16, VNIC_FNIC_MAXDATAFIELDSIZE_MAX,
+ max_t(u16, VNIC_FNIC_MAXDATAFIELDSIZE_MIN,
+ c->maxdatafieldsize));
+ c->ed_tov =
+ min_t(u32, VNIC_FNIC_EDTOV_MAX,
+ max_t(u32, VNIC_FNIC_EDTOV_MIN,
+ c->ed_tov));
+
+ c->ra_tov =
+ min_t(u32, VNIC_FNIC_RATOV_MAX,
+ max_t(u32, VNIC_FNIC_RATOV_MIN,
+ c->ra_tov));
+
+ c->flogi_retries =
+ min_t(u32, VNIC_FNIC_FLOGI_RETRIES_MAX, c->flogi_retries);
+
+ c->flogi_timeout =
+ min_t(u32, VNIC_FNIC_FLOGI_TIMEOUT_MAX,
+ max_t(u32, VNIC_FNIC_FLOGI_TIMEOUT_MIN,
+ c->flogi_timeout));
+
+ c->plogi_retries =
+ min_t(u32, VNIC_FNIC_PLOGI_RETRIES_MAX, c->plogi_retries);
+
+ c->plogi_timeout =
+ min_t(u32, VNIC_FNIC_PLOGI_TIMEOUT_MAX,
+ max_t(u32, VNIC_FNIC_PLOGI_TIMEOUT_MIN,
+ c->plogi_timeout));
+
+ c->io_throttle_count =
+ min_t(u32, VNIC_FNIC_IO_THROTTLE_COUNT_MAX,
+ max_t(u32, VNIC_FNIC_IO_THROTTLE_COUNT_MIN,
+ c->io_throttle_count));
+
+ c->link_down_timeout =
+ min_t(u32, VNIC_FNIC_LINK_DOWN_TIMEOUT_MAX,
+ c->link_down_timeout);
+
+ c->port_down_timeout =
+ min_t(u32, VNIC_FNIC_PORT_DOWN_TIMEOUT_MAX,
+ c->port_down_timeout);
+
+ c->port_down_io_retries =
+ min_t(u32, VNIC_FNIC_PORT_DOWN_IO_RETRIES_MAX,
+ c->port_down_io_retries);
+
+ c->luns_per_tgt =
+ min_t(u32, VNIC_FNIC_LUNS_PER_TARGET_MAX,
+ max_t(u32, VNIC_FNIC_LUNS_PER_TARGET_MIN,
+ c->luns_per_tgt));
+
+ c->intr_timer = min_t(u16, VNIC_INTR_TIMER_MAX, c->intr_timer);
+ c->intr_timer_type = c->intr_timer_type;
+
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC MAC addr %02x:%02x:%02x:%02x:%02x:%02x "
+ "wq/wq_copy/rq %d/%d/%d\n",
+ fnic->mac_addr[0], fnic->mac_addr[1], fnic->mac_addr[2],
+ fnic->mac_addr[3], fnic->mac_addr[4], fnic->mac_addr[5],
+ c->wq_enet_desc_count, c->wq_copy_desc_count,
+ c->rq_desc_count);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC node wwn %llx port wwn %llx\n",
+ c->node_wwn, c->port_wwn);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC ed_tov %d ra_tov %d\n",
+ c->ed_tov, c->ra_tov);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC mtu %d intr timer %d\n",
+ c->maxdatafieldsize, c->intr_timer);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC flags 0x%x luns per tgt %d\n",
+ c->flags, c->luns_per_tgt);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC flogi_retries %d flogi timeout %d\n",
+ c->flogi_retries, c->flogi_timeout);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC plogi retries %d plogi timeout %d\n",
+ c->plogi_retries, c->plogi_timeout);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC io throttle count %d link dn timeout %d\n",
+ c->io_throttle_count, c->link_down_timeout);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC port dn io retries %d port dn timeout %d\n",
+ c->port_down_io_retries, c->port_down_timeout);
+
+ return 0;
+}
+
+int fnic_set_nic_config(struct fnic *fnic, u8 rss_default_cpu,
+ u8 rss_hash_type,
+ u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable,
+ u8 tso_ipid_split_en, u8 ig_vlan_strip_en)
+{
+ u64 a0, a1;
+ u32 nic_cfg;
+ int wait = 1000;
+
+ vnic_set_nic_cfg(&nic_cfg, rss_default_cpu,
+ rss_hash_type, rss_hash_bits, rss_base_cpu,
+ rss_enable, tso_ipid_split_en, ig_vlan_strip_en);
+
+ a0 = nic_cfg;
+ a1 = 0;
+
+ return vnic_dev_cmd(fnic->vdev, CMD_NIC_CFG, &a0, &a1, wait);
+}
+
+void fnic_get_res_counts(struct fnic *fnic)
+{
+ fnic->wq_count = vnic_dev_get_res_count(fnic->vdev, RES_TYPE_WQ);
+ fnic->raw_wq_count = fnic->wq_count - 1;
+ fnic->wq_copy_count = fnic->wq_count - fnic->raw_wq_count;
+ fnic->rq_count = vnic_dev_get_res_count(fnic->vdev, RES_TYPE_RQ);
+ fnic->cq_count = vnic_dev_get_res_count(fnic->vdev, RES_TYPE_CQ);
+ fnic->intr_count = vnic_dev_get_res_count(fnic->vdev,
+ RES_TYPE_INTR_CTRL);
+}
+
+void fnic_free_vnic_resources(struct fnic *fnic)
+{
+ unsigned int i;
+
+ for (i = 0; i < fnic->raw_wq_count; i++)
+ vnic_wq_free(&fnic->wq[i]);
+
+ for (i = 0; i < fnic->wq_copy_count; i++)
+ vnic_wq_copy_free(&fnic->wq_copy[i]);
+
+ for (i = 0; i < fnic->rq_count; i++)
+ vnic_rq_free(&fnic->rq[i]);
+
+ for (i = 0; i < fnic->cq_count; i++)
+ vnic_cq_free(&fnic->cq[i]);
+
+ for (i = 0; i < fnic->intr_count; i++)
+ vnic_intr_free(&fnic->intr[i]);
+}
+
+int fnic_alloc_vnic_resources(struct fnic *fnic)
+{
+ enum vnic_dev_intr_mode intr_mode;
+ unsigned int mask_on_assertion;
+ unsigned int interrupt_offset;
+ unsigned int error_interrupt_enable;
+ unsigned int error_interrupt_offset;
+ unsigned int i, cq_index;
+ unsigned int wq_copy_cq_desc_count;
+ int err;
+
+ intr_mode = vnic_dev_get_intr_mode(fnic->vdev);
+
+ shost_printk(KERN_INFO, fnic->lport->host, "vNIC interrupt mode: %s\n",
+ intr_mode == VNIC_DEV_INTR_MODE_INTX ? "legacy PCI INTx" :
+ intr_mode == VNIC_DEV_INTR_MODE_MSI ? "MSI" :
+ intr_mode == VNIC_DEV_INTR_MODE_MSIX ?
+ "MSI-X" : "unknown");
+
+ shost_printk(KERN_INFO, fnic->lport->host, "vNIC resources avail: "
+ "wq %d cp_wq %d raw_wq %d rq %d cq %d intr %d\n",
+ fnic->wq_count, fnic->wq_copy_count, fnic->raw_wq_count,
+ fnic->rq_count, fnic->cq_count, fnic->intr_count);
+
+ /* Allocate Raw WQ used for FCS frames */
+ for (i = 0; i < fnic->raw_wq_count; i++) {
+ err = vnic_wq_alloc(fnic->vdev, &fnic->wq[i], i,
+ fnic->config.wq_enet_desc_count,
+ sizeof(struct wq_enet_desc));
+ if (err)
+ goto err_out_cleanup;
+ }
+
+ /* Allocate Copy WQs used for SCSI IOs */
+ for (i = 0; i < fnic->wq_copy_count; i++) {
+ err = vnic_wq_copy_alloc(fnic->vdev, &fnic->wq_copy[i],
+ (fnic->raw_wq_count + i),
+ fnic->config.wq_copy_desc_count,
+ sizeof(struct fcpio_host_req));
+ if (err)
+ goto err_out_cleanup;
+ }
+
+ /* RQ for receiving FCS frames */
+ for (i = 0; i < fnic->rq_count; i++) {
+ err = vnic_rq_alloc(fnic->vdev, &fnic->rq[i], i,
+ fnic->config.rq_desc_count,
+ sizeof(struct rq_enet_desc));
+ if (err)
+ goto err_out_cleanup;
+ }
+
+ /* CQ for each RQ */
+ for (i = 0; i < fnic->rq_count; i++) {
+ cq_index = i;
+ err = vnic_cq_alloc(fnic->vdev,
+ &fnic->cq[cq_index], cq_index,
+ fnic->config.rq_desc_count,
+ sizeof(struct cq_enet_rq_desc));
+ if (err)
+ goto err_out_cleanup;
+ }
+
+ /* CQ for each WQ */
+ for (i = 0; i < fnic->raw_wq_count; i++) {
+ cq_index = fnic->rq_count + i;
+ err = vnic_cq_alloc(fnic->vdev, &fnic->cq[cq_index], cq_index,
+ fnic->config.wq_enet_desc_count,
+ sizeof(struct cq_enet_wq_desc));
+ if (err)
+ goto err_out_cleanup;
+ }
+
+ /* CQ for each COPY WQ */
+ wq_copy_cq_desc_count = (fnic->config.wq_copy_desc_count * 3);
+ for (i = 0; i < fnic->wq_copy_count; i++) {
+ cq_index = fnic->raw_wq_count + fnic->rq_count + i;
+ err = vnic_cq_alloc(fnic->vdev, &fnic->cq[cq_index],
+ cq_index,
+ wq_copy_cq_desc_count,
+ sizeof(struct fcpio_fw_req));
+ if (err)
+ goto err_out_cleanup;
+ }
+
+ for (i = 0; i < fnic->intr_count; i++) {
+ err = vnic_intr_alloc(fnic->vdev, &fnic->intr[i], i);
+ if (err)
+ goto err_out_cleanup;
+ }
+
+ fnic->legacy_pba = vnic_dev_get_res(fnic->vdev,
+ RES_TYPE_INTR_PBA_LEGACY, 0);
+
+ if (!fnic->legacy_pba && intr_mode == VNIC_DEV_INTR_MODE_INTX) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Failed to hook legacy pba resource\n");
+ err = -ENODEV;
+ goto err_out_cleanup;
+ }
+
+ /*
+ * Init RQ/WQ resources.
+ *
+ * RQ[0 to n-1] point to CQ[0 to n-1]
+ * WQ[0 to m-1] point to CQ[n to n+m-1]
+ * WQ_COPY[0 to k-1] points to CQ[n+m to n+m+k-1]
+ *
+ * Note for copy wq we always initialize with cq_index = 0
+ *
+ * Error interrupt is not enabled for MSI.
+ */
+
+ switch (intr_mode) {
+ case VNIC_DEV_INTR_MODE_INTX:
+ case VNIC_DEV_INTR_MODE_MSIX:
+ error_interrupt_enable = 1;
+ error_interrupt_offset = fnic->err_intr_offset;
+ break;
+ default:
+ error_interrupt_enable = 0;
+ error_interrupt_offset = 0;
+ break;
+ }
+
+ for (i = 0; i < fnic->rq_count; i++) {
+ cq_index = i;
+ vnic_rq_init(&fnic->rq[i],
+ cq_index,
+ error_interrupt_enable,
+ error_interrupt_offset);
+ }
+
+ for (i = 0; i < fnic->raw_wq_count; i++) {
+ cq_index = i + fnic->rq_count;
+ vnic_wq_init(&fnic->wq[i],
+ cq_index,
+ error_interrupt_enable,
+ error_interrupt_offset);
+ }
+
+ for (i = 0; i < fnic->wq_copy_count; i++) {
+ vnic_wq_copy_init(&fnic->wq_copy[i],
+ 0 /* cq_index 0 - always */,
+ error_interrupt_enable,
+ error_interrupt_offset);
+ }
+
+ for (i = 0; i < fnic->cq_count; i++) {
+
+ switch (intr_mode) {
+ case VNIC_DEV_INTR_MODE_MSIX:
+ interrupt_offset = i;
+ break;
+ default:
+ interrupt_offset = 0;
+ break;
+ }
+
+ vnic_cq_init(&fnic->cq[i],
+ 0 /* flow_control_enable */,
+ 1 /* color_enable */,
+ 0 /* cq_head */,
+ 0 /* cq_tail */,
+ 1 /* cq_tail_color */,
+ 1 /* interrupt_enable */,
+ 1 /* cq_entry_enable */,
+ 0 /* cq_message_enable */,
+ interrupt_offset,
+ 0 /* cq_message_addr */);
+ }
+
+ /*
+ * Init INTR resources
+ *
+ * mask_on_assertion is not used for INTx due to the level-
+ * triggered nature of INTx
+ */
+
+ switch (intr_mode) {
+ case VNIC_DEV_INTR_MODE_MSI:
+ case VNIC_DEV_INTR_MODE_MSIX:
+ mask_on_assertion = 1;
+ break;
+ default:
+ mask_on_assertion = 0;
+ break;
+ }
+
+ for (i = 0; i < fnic->intr_count; i++) {
+ vnic_intr_init(&fnic->intr[i],
+ fnic->config.intr_timer,
+ fnic->config.intr_timer_type,
+ mask_on_assertion);
+ }
+
+ /* init the stats memory by making the first call here */
+ err = vnic_dev_stats_dump(fnic->vdev, &fnic->stats);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "vnic_dev_stats_dump failed - x%x\n", err);
+ goto err_out_cleanup;
+ }
+
+ /* Clear LIF stats */
+ vnic_dev_stats_clear(fnic->vdev);
+
+ return 0;
+
+err_out_cleanup:
+ fnic_free_vnic_resources(fnic);
+
+ return err;
+}
diff --git a/drivers/scsi/fnic/fnic_res.h b/drivers/scsi/fnic/fnic_res.h
new file mode 100644
index 000000000000..b6f310262534
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_res.h
@@ -0,0 +1,197 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _FNIC_RES_H_
+#define _FNIC_RES_H_
+
+#include "wq_enet_desc.h"
+#include "rq_enet_desc.h"
+#include "vnic_wq.h"
+#include "vnic_rq.h"
+#include "fnic_io.h"
+#include "fcpio.h"
+#include "vnic_wq_copy.h"
+#include "vnic_cq_copy.h"
+
+static inline void fnic_queue_wq_desc(struct vnic_wq *wq,
+ void *os_buf, dma_addr_t dma_addr,
+ unsigned int len, unsigned int fc_eof,
+ int vlan_tag_insert,
+ unsigned int vlan_tag,
+ int cq_entry, int sop, int eop)
+{
+ struct wq_enet_desc *desc = vnic_wq_next_desc(wq);
+
+ wq_enet_desc_enc(desc,
+ (u64)dma_addr | VNIC_PADDR_TARGET,
+ (u16)len,
+ 0, /* mss_or_csum_offset */
+ (u16)fc_eof,
+ 0, /* offload_mode */
+ (u8)eop, (u8)cq_entry,
+ 1, /* fcoe_encap */
+ (u8)vlan_tag_insert,
+ (u16)vlan_tag,
+ 0 /* loopback */);
+
+ vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop);
+}
+
+static inline void fnic_queue_wq_copy_desc_icmnd_16(struct vnic_wq_copy *wq,
+ u32 req_id,
+ u32 lunmap_id, u8 spl_flags,
+ u32 sgl_cnt, u32 sense_len,
+ u64 sgl_addr, u64 sns_addr,
+ u8 crn, u8 pri_ta,
+ u8 flags, u8 *scsi_cdb,
+ u32 data_len, u8 *lun,
+ u32 d_id, u16 mss,
+ u32 ratov, u32 edtov)
+{
+ struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+ desc->hdr.type = FCPIO_ICMND_16; /* enum fcpio_type */
+ desc->hdr.status = 0; /* header status entry */
+ desc->hdr._resvd = 0; /* reserved */
+ desc->hdr.tag.u.req_id = req_id; /* id for this request */
+
+ desc->u.icmnd_16.lunmap_id = lunmap_id; /* index into lunmap table */
+ desc->u.icmnd_16.special_req_flags = spl_flags; /* exch req flags */
+ desc->u.icmnd_16._resvd0[0] = 0; /* reserved */
+ desc->u.icmnd_16._resvd0[1] = 0; /* reserved */
+ desc->u.icmnd_16._resvd0[2] = 0; /* reserved */
+ desc->u.icmnd_16.sgl_cnt = sgl_cnt; /* scatter-gather list count */
+ desc->u.icmnd_16.sense_len = sense_len; /* sense buffer length */
+ desc->u.icmnd_16.sgl_addr = sgl_addr; /* scatter-gather list addr */
+ desc->u.icmnd_16.sense_addr = sns_addr; /* sense buffer address */
+ desc->u.icmnd_16.crn = crn; /* SCSI Command Reference No.*/
+ desc->u.icmnd_16.pri_ta = pri_ta; /* SCSI Pri & Task attribute */
+ desc->u.icmnd_16._resvd1 = 0; /* reserved: should be 0 */
+ desc->u.icmnd_16.flags = flags; /* command flags */
+ memcpy(desc->u.icmnd_16.scsi_cdb, scsi_cdb, CDB_16); /* SCSI CDB */
+ desc->u.icmnd_16.data_len = data_len; /* length of data expected */
+ memcpy(desc->u.icmnd_16.lun, lun, LUN_ADDRESS); /* LUN address */
+ desc->u.icmnd_16._resvd2 = 0; /* reserved */
+ hton24(desc->u.icmnd_16.d_id, d_id); /* FC vNIC only: Target D_ID */
+ desc->u.icmnd_16.mss = mss; /* FC vNIC only: max burst */
+ desc->u.icmnd_16.r_a_tov = ratov; /*FC vNIC only: Res. Alloc Timeout */
+ desc->u.icmnd_16.e_d_tov = edtov; /*FC vNIC only: Err Detect Timeout */
+
+ vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_wq_copy_desc_itmf(struct vnic_wq_copy *wq,
+ u32 req_id, u32 lunmap_id,
+ u32 tm_req, u32 tm_id, u8 *lun,
+ u32 d_id, u32 r_a_tov,
+ u32 e_d_tov)
+{
+ struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+ desc->hdr.type = FCPIO_ITMF; /* enum fcpio_type */
+ desc->hdr.status = 0; /* header status entry */
+ desc->hdr._resvd = 0; /* reserved */
+ desc->hdr.tag.u.req_id = req_id; /* id for this request */
+
+ desc->u.itmf.lunmap_id = lunmap_id; /* index into lunmap table */
+ desc->u.itmf.tm_req = tm_req; /* SCSI Task Management request */
+ desc->u.itmf.t_tag = tm_id; /* tag of fcpio to be aborted */
+ desc->u.itmf._resvd = 0;
+ memcpy(desc->u.itmf.lun, lun, LUN_ADDRESS); /* LUN address */
+ desc->u.itmf._resvd1 = 0;
+ hton24(desc->u.itmf.d_id, d_id); /* FC vNIC only: Target D_ID */
+ desc->u.itmf.r_a_tov = r_a_tov; /* FC vNIC only: R_A_TOV in msec */
+ desc->u.itmf.e_d_tov = e_d_tov; /* FC vNIC only: E_D_TOV in msec */
+
+ vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_wq_copy_desc_flogi_reg(struct vnic_wq_copy *wq,
+ u32 req_id, u8 format,
+ u32 s_id, u8 *gw_mac)
+{
+ struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+ desc->hdr.type = FCPIO_FLOGI_REG; /* enum fcpio_type */
+ desc->hdr.status = 0; /* header status entry */
+ desc->hdr._resvd = 0; /* reserved */
+ desc->hdr.tag.u.req_id = req_id; /* id for this request */
+
+ desc->u.flogi_reg.format = format;
+ hton24(desc->u.flogi_reg.s_id, s_id);
+ memcpy(desc->u.flogi_reg.gateway_mac, gw_mac, ETH_ALEN);
+
+ vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_wq_copy_desc_fw_reset(struct vnic_wq_copy *wq,
+ u32 req_id)
+{
+ struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+ desc->hdr.type = FCPIO_RESET; /* enum fcpio_type */
+ desc->hdr.status = 0; /* header status entry */
+ desc->hdr._resvd = 0; /* reserved */
+ desc->hdr.tag.u.req_id = req_id; /* id for this request */
+
+ vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_wq_copy_desc_lunmap(struct vnic_wq_copy *wq,
+ u32 req_id, u64 lunmap_addr,
+ u32 lunmap_len)
+{
+ struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+ desc->hdr.type = FCPIO_LUNMAP_REQ; /* enum fcpio_type */
+ desc->hdr.status = 0; /* header status entry */
+ desc->hdr._resvd = 0; /* reserved */
+ desc->hdr.tag.u.req_id = req_id; /* id for this request */
+
+ desc->u.lunmap_req.addr = lunmap_addr; /* address of the buffer */
+ desc->u.lunmap_req.len = lunmap_len; /* len of the buffer */
+
+ vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_rq_desc(struct vnic_rq *rq,
+ void *os_buf, dma_addr_t dma_addr,
+ u16 len)
+{
+ struct rq_enet_desc *desc = vnic_rq_next_desc(rq);
+
+ rq_enet_desc_enc(desc,
+ (u64)dma_addr | VNIC_PADDR_TARGET,
+ RQ_ENET_TYPE_ONLY_SOP,
+ (u16)len);
+
+ vnic_rq_post(rq, os_buf, 0, dma_addr, len);
+}
+
+
+struct fnic;
+
+int fnic_get_vnic_config(struct fnic *);
+int fnic_alloc_vnic_resources(struct fnic *);
+void fnic_free_vnic_resources(struct fnic *);
+void fnic_get_res_counts(struct fnic *);
+int fnic_set_nic_config(struct fnic *fnic, u8 rss_default_cpu,
+ u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu,
+ u8 rss_enable, u8 tso_ipid_split_en,
+ u8 ig_vlan_strip_en);
+
+#endif /* _FNIC_RES_H_ */
diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
new file mode 100644
index 000000000000..eabf36502856
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -0,0 +1,1850 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 <linux/mempool.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/workqueue.h>
+#include <linux/pci.h>
+#include <linux/scatterlist.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/if_ether.h>
+#include <linux/if_vlan.h>
+#include <linux/delay.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/fc/fc_els.h>
+#include <scsi/fc/fc_fcoe.h>
+#include <scsi/libfc.h>
+#include <scsi/fc_frame.h>
+#include "fnic_io.h"
+#include "fnic.h"
+
+const char *fnic_state_str[] = {
+ [FNIC_IN_FC_MODE] = "FNIC_IN_FC_MODE",
+ [FNIC_IN_FC_TRANS_ETH_MODE] = "FNIC_IN_FC_TRANS_ETH_MODE",
+ [FNIC_IN_ETH_MODE] = "FNIC_IN_ETH_MODE",
+ [FNIC_IN_ETH_TRANS_FC_MODE] = "FNIC_IN_ETH_TRANS_FC_MODE",
+};
+
+static const char *fnic_ioreq_state_str[] = {
+ [FNIC_IOREQ_CMD_PENDING] = "FNIC_IOREQ_CMD_PENDING",
+ [FNIC_IOREQ_ABTS_PENDING] = "FNIC_IOREQ_ABTS_PENDING",
+ [FNIC_IOREQ_ABTS_COMPLETE] = "FNIC_IOREQ_ABTS_COMPLETE",
+ [FNIC_IOREQ_CMD_COMPLETE] = "FNIC_IOREQ_CMD_COMPLETE",
+};
+
+static const char *fcpio_status_str[] = {
+ [FCPIO_SUCCESS] = "FCPIO_SUCCESS", /*0x0*/
+ [FCPIO_INVALID_HEADER] = "FCPIO_INVALID_HEADER",
+ [FCPIO_OUT_OF_RESOURCE] = "FCPIO_OUT_OF_RESOURCE",
+ [FCPIO_INVALID_PARAM] = "FCPIO_INVALID_PARAM]",
+ [FCPIO_REQ_NOT_SUPPORTED] = "FCPIO_REQ_NOT_SUPPORTED",
+ [FCPIO_IO_NOT_FOUND] = "FCPIO_IO_NOT_FOUND",
+ [FCPIO_ABORTED] = "FCPIO_ABORTED", /*0x41*/
+ [FCPIO_TIMEOUT] = "FCPIO_TIMEOUT",
+ [FCPIO_SGL_INVALID] = "FCPIO_SGL_INVALID",
+ [FCPIO_MSS_INVALID] = "FCPIO_MSS_INVALID",
+ [FCPIO_DATA_CNT_MISMATCH] = "FCPIO_DATA_CNT_MISMATCH",
+ [FCPIO_FW_ERR] = "FCPIO_FW_ERR",
+ [FCPIO_ITMF_REJECTED] = "FCPIO_ITMF_REJECTED",
+ [FCPIO_ITMF_FAILED] = "FCPIO_ITMF_FAILED",
+ [FCPIO_ITMF_INCORRECT_LUN] = "FCPIO_ITMF_INCORRECT_LUN",
+ [FCPIO_CMND_REJECTED] = "FCPIO_CMND_REJECTED",
+ [FCPIO_NO_PATH_AVAIL] = "FCPIO_NO_PATH_AVAIL",
+ [FCPIO_PATH_FAILED] = "FCPIO_PATH_FAILED",
+ [FCPIO_LUNMAP_CHNG_PEND] = "FCPIO_LUNHMAP_CHNG_PEND",
+};
+
+const char *fnic_state_to_str(unsigned int state)
+{
+ if (state >= ARRAY_SIZE(fnic_state_str) || !fnic_state_str[state])
+ return "unknown";
+
+ return fnic_state_str[state];
+}
+
+static const char *fnic_ioreq_state_to_str(unsigned int state)
+{
+ if (state >= ARRAY_SIZE(fnic_ioreq_state_str) ||
+ !fnic_ioreq_state_str[state])
+ return "unknown";
+
+ return fnic_ioreq_state_str[state];
+}
+
+static const char *fnic_fcpio_status_to_str(unsigned int status)
+{
+ if (status >= ARRAY_SIZE(fcpio_status_str) || !fcpio_status_str[status])
+ return "unknown";
+
+ return fcpio_status_str[status];
+}
+
+static void fnic_cleanup_io(struct fnic *fnic, int exclude_id);
+
+static inline spinlock_t *fnic_io_lock_hash(struct fnic *fnic,
+ struct scsi_cmnd *sc)
+{
+ u32 hash = sc->request->tag & (FNIC_IO_LOCKS - 1);
+
+ return &fnic->io_req_lock[hash];
+}
+
+/*
+ * Unmap the data buffer and sense buffer for an io_req,
+ * also unmap and free the device-private scatter/gather list.
+ */
+static void fnic_release_ioreq_buf(struct fnic *fnic,
+ struct fnic_io_req *io_req,
+ struct scsi_cmnd *sc)
+{
+ if (io_req->sgl_list_pa)
+ pci_unmap_single(fnic->pdev, io_req->sgl_list_pa,
+ sizeof(io_req->sgl_list[0]) * io_req->sgl_cnt,
+ PCI_DMA_TODEVICE);
+ scsi_dma_unmap(sc);
+
+ if (io_req->sgl_cnt)
+ mempool_free(io_req->sgl_list_alloc,
+ fnic->io_sgl_pool[io_req->sgl_type]);
+ if (io_req->sense_buf_pa)
+ pci_unmap_single(fnic->pdev, io_req->sense_buf_pa,
+ SCSI_SENSE_BUFFERSIZE, PCI_DMA_FROMDEVICE);
+}
+
+/* Free up Copy Wq descriptors. Called with copy_wq lock held */
+static int free_wq_copy_descs(struct fnic *fnic, struct vnic_wq_copy *wq)
+{
+ /* if no Ack received from firmware, then nothing to clean */
+ if (!fnic->fw_ack_recd[0])
+ return 1;
+
+ /*
+ * Update desc_available count based on number of freed descriptors
+ * Account for wraparound
+ */
+ if (wq->to_clean_index <= fnic->fw_ack_index[0])
+ wq->ring.desc_avail += (fnic->fw_ack_index[0]
+ - wq->to_clean_index + 1);
+ else
+ wq->ring.desc_avail += (wq->ring.desc_count
+ - wq->to_clean_index
+ + fnic->fw_ack_index[0] + 1);
+
+ /*
+ * just bump clean index to ack_index+1 accounting for wraparound
+ * this will essentially free up all descriptors between
+ * to_clean_index and fw_ack_index, both inclusive
+ */
+ wq->to_clean_index =
+ (fnic->fw_ack_index[0] + 1) % wq->ring.desc_count;
+
+ /* we have processed the acks received so far */
+ fnic->fw_ack_recd[0] = 0;
+ return 0;
+}
+
+
+/*
+ * fnic_fw_reset_handler
+ * Routine to send reset msg to fw
+ */
+int fnic_fw_reset_handler(struct fnic *fnic)
+{
+ struct vnic_wq_copy *wq = &fnic->wq_copy[0];
+ int ret = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&fnic->wq_copy_lock[0], flags);
+
+ if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
+ free_wq_copy_descs(fnic, wq);
+
+ if (!vnic_wq_copy_desc_avail(wq))
+ ret = -EAGAIN;
+ else
+ fnic_queue_wq_copy_desc_fw_reset(wq, SCSI_NO_TAG);
+
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags);
+
+ if (!ret)
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "Issued fw reset\n");
+ else
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "Failed to issue fw reset\n");
+ return ret;
+}
+
+
+/*
+ * fnic_flogi_reg_handler
+ * Routine to send flogi register msg to fw
+ */
+int fnic_flogi_reg_handler(struct fnic *fnic)
+{
+ struct vnic_wq_copy *wq = &fnic->wq_copy[0];
+ u8 gw_mac[ETH_ALEN];
+ int ret = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&fnic->wq_copy_lock[0], flags);
+
+ if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
+ free_wq_copy_descs(fnic, wq);
+
+ if (!vnic_wq_copy_desc_avail(wq)) {
+ ret = -EAGAIN;
+ goto flogi_reg_ioreq_end;
+ }
+
+ if (fnic->fcoui_mode)
+ memset(gw_mac, 0xff, ETH_ALEN);
+ else
+ memcpy(gw_mac, fnic->dest_addr, ETH_ALEN);
+
+ fnic_queue_wq_copy_desc_flogi_reg(wq, SCSI_NO_TAG,
+ FCPIO_FLOGI_REG_GW_DEST,
+ fnic->s_id,
+ gw_mac);
+
+flogi_reg_ioreq_end:
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags);
+
+ if (!ret)
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "flog reg issued\n");
+
+ return ret;
+}
+
+/*
+ * fnic_queue_wq_copy_desc
+ * Routine to enqueue a wq copy desc
+ */
+static inline int fnic_queue_wq_copy_desc(struct fnic *fnic,
+ struct vnic_wq_copy *wq,
+ struct fnic_io_req *io_req,
+ struct scsi_cmnd *sc,
+ u32 sg_count)
+{
+ struct scatterlist *sg;
+ struct fc_rport *rport = starget_to_rport(scsi_target(sc->device));
+ struct fc_rport_libfc_priv *rp = rport->dd_data;
+ struct host_sg_desc *desc;
+ u8 pri_tag = 0;
+ unsigned int i;
+ unsigned long intr_flags;
+ int flags;
+ u8 exch_flags;
+ struct scsi_lun fc_lun;
+ char msg[2];
+
+ if (sg_count) {
+ BUG_ON(sg_count < 0);
+ BUG_ON(sg_count > FNIC_MAX_SG_DESC_CNT);
+
+ /* For each SGE, create a device desc entry */
+ desc = io_req->sgl_list;
+ for_each_sg(scsi_sglist(sc), sg, sg_count, i) {
+ desc->addr = cpu_to_le64(sg_dma_address(sg));
+ desc->len = cpu_to_le32(sg_dma_len(sg));
+ desc->_resvd = 0;
+ desc++;
+ }
+
+ io_req->sgl_list_pa = pci_map_single
+ (fnic->pdev,
+ io_req->sgl_list,
+ sizeof(io_req->sgl_list[0]) * sg_count,
+ PCI_DMA_TODEVICE);
+ }
+
+ io_req->sense_buf_pa = pci_map_single(fnic->pdev,
+ sc->sense_buffer,
+ SCSI_SENSE_BUFFERSIZE,
+ PCI_DMA_FROMDEVICE);
+
+ int_to_scsilun(sc->device->lun, &fc_lun);
+
+ pri_tag = FCPIO_ICMND_PTA_SIMPLE;
+ msg[0] = MSG_SIMPLE_TAG;
+ scsi_populate_tag_msg(sc, msg);
+ if (msg[0] == MSG_ORDERED_TAG)
+ pri_tag = FCPIO_ICMND_PTA_ORDERED;
+
+ /* Enqueue the descriptor in the Copy WQ */
+ spin_lock_irqsave(&fnic->wq_copy_lock[0], intr_flags);
+
+ if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
+ free_wq_copy_descs(fnic, wq);
+
+ if (unlikely(!vnic_wq_copy_desc_avail(wq))) {
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[0], intr_flags);
+ return SCSI_MLQUEUE_HOST_BUSY;
+ }
+
+ flags = 0;
+ if (sc->sc_data_direction == DMA_FROM_DEVICE)
+ flags = FCPIO_ICMND_RDDATA;
+ else if (sc->sc_data_direction == DMA_TO_DEVICE)
+ flags = FCPIO_ICMND_WRDATA;
+
+ exch_flags = 0;
+ if ((fnic->config.flags & VFCF_FCP_SEQ_LVL_ERR) &&
+ (rp->flags & FC_RP_FLAGS_RETRY))
+ exch_flags |= FCPIO_ICMND_SRFLAG_RETRY;
+
+ fnic_queue_wq_copy_desc_icmnd_16(wq, sc->request->tag,
+ 0, exch_flags, io_req->sgl_cnt,
+ SCSI_SENSE_BUFFERSIZE,
+ io_req->sgl_list_pa,
+ io_req->sense_buf_pa,
+ 0, /* scsi cmd ref, always 0 */
+ pri_tag, /* scsi pri and tag */
+ flags, /* command flags */
+ sc->cmnd, scsi_bufflen(sc),
+ fc_lun.scsi_lun, io_req->port_id,
+ rport->maxframe_size, rp->r_a_tov,
+ rp->e_d_tov);
+
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[0], intr_flags);
+ return 0;
+}
+
+/*
+ * fnic_queuecommand
+ * Routine to send a scsi cdb
+ * Called with host_lock held and interrupts disabled.
+ */
+int fnic_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
+{
+ struct fc_lport *lp;
+ struct fc_rport *rport;
+ struct fnic_io_req *io_req;
+ struct fnic *fnic;
+ struct vnic_wq_copy *wq;
+ int ret;
+ u32 sg_count;
+ unsigned long flags;
+ unsigned long ptr;
+
+ rport = starget_to_rport(scsi_target(sc->device));
+ ret = fc_remote_port_chkready(rport);
+ if (ret) {
+ sc->result = ret;
+ done(sc);
+ return 0;
+ }
+
+ lp = shost_priv(sc->device->host);
+ if (lp->state != LPORT_ST_READY || !(lp->link_up))
+ return SCSI_MLQUEUE_HOST_BUSY;
+
+ /*
+ * Release host lock, use driver resource specific locks from here.
+ * Don't re-enable interrupts in case they were disabled prior to the
+ * caller disabling them.
+ */
+ spin_unlock(lp->host->host_lock);
+
+ /* Get a new io_req for this SCSI IO */
+ fnic = lport_priv(lp);
+
+ io_req = mempool_alloc(fnic->io_req_pool, GFP_ATOMIC);
+ if (!io_req) {
+ ret = SCSI_MLQUEUE_HOST_BUSY;
+ goto out;
+ }
+ memset(io_req, 0, sizeof(*io_req));
+
+ /* Map the data buffer */
+ sg_count = scsi_dma_map(sc);
+ if (sg_count < 0) {
+ mempool_free(io_req, fnic->io_req_pool);
+ goto out;
+ }
+
+ /* Determine the type of scatter/gather list we need */
+ io_req->sgl_cnt = sg_count;
+ io_req->sgl_type = FNIC_SGL_CACHE_DFLT;
+ if (sg_count > FNIC_DFLT_SG_DESC_CNT)
+ io_req->sgl_type = FNIC_SGL_CACHE_MAX;
+
+ if (sg_count) {
+ io_req->sgl_list =
+ mempool_alloc(fnic->io_sgl_pool[io_req->sgl_type],
+ GFP_ATOMIC | GFP_DMA);
+ if (!io_req->sgl_list) {
+ ret = SCSI_MLQUEUE_HOST_BUSY;
+ scsi_dma_unmap(sc);
+ mempool_free(io_req, fnic->io_req_pool);
+ goto out;
+ }
+
+ /* Cache sgl list allocated address before alignment */
+ io_req->sgl_list_alloc = io_req->sgl_list;
+ ptr = (unsigned long) io_req->sgl_list;
+ if (ptr % FNIC_SG_DESC_ALIGN) {
+ io_req->sgl_list = (struct host_sg_desc *)
+ (((unsigned long) ptr
+ + FNIC_SG_DESC_ALIGN - 1)
+ & ~(FNIC_SG_DESC_ALIGN - 1));
+ }
+ }
+
+ /* initialize rest of io_req */
+ io_req->port_id = rport->port_id;
+ CMD_STATE(sc) = FNIC_IOREQ_CMD_PENDING;
+ CMD_SP(sc) = (char *)io_req;
+ sc->scsi_done = done;
+
+ /* create copy wq desc and enqueue it */
+ wq = &fnic->wq_copy[0];
+ ret = fnic_queue_wq_copy_desc(fnic, wq, io_req, sc, sg_count);
+ if (ret) {
+ /*
+ * In case another thread cancelled the request,
+ * refetch the pointer under the lock.
+ */
+ spinlock_t *io_lock = fnic_io_lock_hash(fnic, sc);
+
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ CMD_SP(sc) = NULL;
+ CMD_STATE(sc) = FNIC_IOREQ_CMD_COMPLETE;
+ spin_unlock_irqrestore(io_lock, flags);
+ if (io_req) {
+ fnic_release_ioreq_buf(fnic, io_req, sc);
+ mempool_free(io_req, fnic->io_req_pool);
+ }
+ }
+out:
+ /* acquire host lock before returning to SCSI */
+ spin_lock(lp->host->host_lock);
+ return ret;
+}
+
+/*
+ * fnic_fcpio_fw_reset_cmpl_handler
+ * Routine to handle fw reset completion
+ */
+static int fnic_fcpio_fw_reset_cmpl_handler(struct fnic *fnic,
+ struct fcpio_fw_req *desc)
+{
+ u8 type;
+ u8 hdr_status;
+ struct fcpio_tag tag;
+ int ret = 0;
+ struct fc_frame *flogi;
+ unsigned long flags;
+
+ fcpio_header_dec(&desc->hdr, &type, &hdr_status, &tag);
+
+ /* Clean up all outstanding io requests */
+ fnic_cleanup_io(fnic, SCSI_NO_TAG);
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+
+ flogi = fnic->flogi;
+ fnic->flogi = NULL;
+
+ /* fnic should be in FC_TRANS_ETH_MODE */
+ if (fnic->state == FNIC_IN_FC_TRANS_ETH_MODE) {
+ /* Check status of reset completion */
+ if (!hdr_status) {
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "reset cmpl success\n");
+ /* Ready to send flogi out */
+ fnic->state = FNIC_IN_ETH_MODE;
+ } else {
+ FNIC_SCSI_DBG(KERN_DEBUG,
+ fnic->lport->host,
+ "fnic fw_reset : failed %s\n",
+ fnic_fcpio_status_to_str(hdr_status));
+
+ /*
+ * Unable to change to eth mode, cannot send out flogi
+ * Change state to fc mode, so that subsequent Flogi
+ * requests from libFC will cause more attempts to
+ * reset the firmware. Free the cached flogi
+ */
+ fnic->state = FNIC_IN_FC_MODE;
+ ret = -1;
+ }
+ } else {
+ FNIC_SCSI_DBG(KERN_DEBUG,
+ fnic->lport->host,
+ "Unexpected state %s while processing"
+ " reset cmpl\n", fnic_state_to_str(fnic->state));
+ ret = -1;
+ }
+
+ /* Thread removing device blocks till firmware reset is complete */
+ if (fnic->remove_wait)
+ complete(fnic->remove_wait);
+
+ /*
+ * If fnic is being removed, or fw reset failed
+ * free the flogi frame. Else, send it out
+ */
+ if (fnic->remove_wait || ret) {
+ fnic->flogi_oxid = FC_XID_UNKNOWN;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ if (flogi)
+ dev_kfree_skb_irq(fp_skb(flogi));
+ goto reset_cmpl_handler_end;
+ }
+
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ if (flogi)
+ ret = fnic_send_frame(fnic, flogi);
+
+ reset_cmpl_handler_end:
+ return ret;
+}
+
+/*
+ * fnic_fcpio_flogi_reg_cmpl_handler
+ * Routine to handle flogi register completion
+ */
+static int fnic_fcpio_flogi_reg_cmpl_handler(struct fnic *fnic,
+ struct fcpio_fw_req *desc)
+{
+ u8 type;
+ u8 hdr_status;
+ struct fcpio_tag tag;
+ int ret = 0;
+ struct fc_frame *flogi_resp = NULL;
+ unsigned long flags;
+ struct sk_buff *skb;
+
+ fcpio_header_dec(&desc->hdr, &type, &hdr_status, &tag);
+
+ /* Update fnic state based on status of flogi reg completion */
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+
+ flogi_resp = fnic->flogi_resp;
+ fnic->flogi_resp = NULL;
+
+ if (fnic->state == FNIC_IN_ETH_TRANS_FC_MODE) {
+
+ /* Check flogi registration completion status */
+ if (!hdr_status) {
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "flog reg succeeded\n");
+ fnic->state = FNIC_IN_FC_MODE;
+ } else {
+ FNIC_SCSI_DBG(KERN_DEBUG,
+ fnic->lport->host,
+ "fnic flogi reg :failed %s\n",
+ fnic_fcpio_status_to_str(hdr_status));
+ fnic->state = FNIC_IN_ETH_MODE;
+ ret = -1;
+ }
+ } else {
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "Unexpected fnic state %s while"
+ " processing flogi reg completion\n",
+ fnic_state_to_str(fnic->state));
+ ret = -1;
+ }
+
+ /* Successful flogi reg cmpl, pass frame to LibFC */
+ if (!ret && flogi_resp) {
+ if (fnic->stop_rx_link_events) {
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ goto reg_cmpl_handler_end;
+ }
+ skb = (struct sk_buff *)flogi_resp;
+ /* Use fr_flags to indicate whether flogi resp or not */
+ fr_flags(flogi_resp) = 1;
+ fr_dev(flogi_resp) = fnic->lport;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ skb_queue_tail(&fnic->frame_queue, skb);
+ queue_work(fnic_event_queue, &fnic->frame_work);
+
+ } else {
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ if (flogi_resp)
+ dev_kfree_skb_irq(fp_skb(flogi_resp));
+ }
+
+reg_cmpl_handler_end:
+ return ret;
+}
+
+static inline int is_ack_index_in_range(struct vnic_wq_copy *wq,
+ u16 request_out)
+{
+ if (wq->to_clean_index <= wq->to_use_index) {
+ /* out of range, stale request_out index */
+ if (request_out < wq->to_clean_index ||
+ request_out >= wq->to_use_index)
+ return 0;
+ } else {
+ /* out of range, stale request_out index */
+ if (request_out < wq->to_clean_index &&
+ request_out >= wq->to_use_index)
+ return 0;
+ }
+ /* request_out index is in range */
+ return 1;
+}
+
+
+/*
+ * Mark that ack received and store the Ack index. If there are multiple
+ * acks received before Tx thread cleans it up, the latest value will be
+ * used which is correct behavior. This state should be in the copy Wq
+ * instead of in the fnic
+ */
+static inline void fnic_fcpio_ack_handler(struct fnic *fnic,
+ unsigned int cq_index,
+ struct fcpio_fw_req *desc)
+{
+ struct vnic_wq_copy *wq;
+ u16 request_out = desc->u.ack.request_out;
+ unsigned long flags;
+
+ /* mark the ack state */
+ wq = &fnic->wq_copy[cq_index - fnic->raw_wq_count - fnic->rq_count];
+ spin_lock_irqsave(&fnic->wq_copy_lock[0], flags);
+
+ if (is_ack_index_in_range(wq, request_out)) {
+ fnic->fw_ack_index[0] = request_out;
+ fnic->fw_ack_recd[0] = 1;
+ }
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags);
+}
+
+/*
+ * fnic_fcpio_icmnd_cmpl_handler
+ * Routine to handle icmnd completions
+ */
+static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
+ struct fcpio_fw_req *desc)
+{
+ u8 type;
+ u8 hdr_status;
+ struct fcpio_tag tag;
+ u32 id;
+ u64 xfer_len = 0;
+ struct fcpio_icmnd_cmpl *icmnd_cmpl;
+ struct fnic_io_req *io_req;
+ struct scsi_cmnd *sc;
+ unsigned long flags;
+ spinlock_t *io_lock;
+
+ /* Decode the cmpl description to get the io_req id */
+ fcpio_header_dec(&desc->hdr, &type, &hdr_status, &tag);
+ fcpio_tag_id_dec(&tag, &id);
+
+ if (id >= FNIC_MAX_IO_REQ)
+ return;
+
+ sc = scsi_host_find_tag(fnic->lport->host, id);
+ WARN_ON_ONCE(!sc);
+ if (!sc)
+ return;
+
+ io_lock = fnic_io_lock_hash(fnic, sc);
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ WARN_ON_ONCE(!io_req);
+ if (!io_req) {
+ spin_unlock_irqrestore(io_lock, flags);
+ return;
+ }
+
+ /* firmware completed the io */
+ io_req->io_completed = 1;
+
+ /*
+ * if SCSI-ML has already issued abort on this command,
+ * ignore completion of the IO. The abts path will clean it up
+ */
+ if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
+ spin_unlock_irqrestore(io_lock, flags);
+ return;
+ }
+
+ /* Mark the IO as complete */
+ CMD_STATE(sc) = FNIC_IOREQ_CMD_COMPLETE;
+
+ icmnd_cmpl = &desc->u.icmnd_cmpl;
+
+ switch (hdr_status) {
+ case FCPIO_SUCCESS:
+ sc->result = (DID_OK << 16) | icmnd_cmpl->scsi_status;
+ xfer_len = scsi_bufflen(sc);
+ scsi_set_resid(sc, icmnd_cmpl->residual);
+
+ if (icmnd_cmpl->flags & FCPIO_ICMND_CMPL_RESID_UNDER)
+ xfer_len -= icmnd_cmpl->residual;
+
+ /*
+ * If queue_full, then try to reduce queue depth for all
+ * LUNS on the target. Todo: this should be accompanied
+ * by a periodic queue_depth rampup based on successful
+ * IO completion.
+ */
+ if (icmnd_cmpl->scsi_status == QUEUE_FULL) {
+ struct scsi_device *t_sdev;
+ int qd = 0;
+
+ shost_for_each_device(t_sdev, sc->device->host) {
+ if (t_sdev->id != sc->device->id)
+ continue;
+
+ if (t_sdev->queue_depth > 1) {
+ qd = scsi_track_queue_full
+ (t_sdev,
+ t_sdev->queue_depth - 1);
+ if (qd == -1)
+ qd = t_sdev->host->cmd_per_lun;
+ shost_printk(KERN_INFO,
+ fnic->lport->host,
+ "scsi[%d:%d:%d:%d"
+ "] queue full detected,"
+ "new depth = %d\n",
+ t_sdev->host->host_no,
+ t_sdev->channel,
+ t_sdev->id, t_sdev->lun,
+ t_sdev->queue_depth);
+ }
+ }
+ }
+ break;
+
+ case FCPIO_TIMEOUT: /* request was timed out */
+ sc->result = (DID_TIME_OUT << 16) | icmnd_cmpl->scsi_status;
+ break;
+
+ case FCPIO_ABORTED: /* request was aborted */
+ sc->result = (DID_ERROR << 16) | icmnd_cmpl->scsi_status;
+ break;
+
+ case FCPIO_DATA_CNT_MISMATCH: /* recv/sent more/less data than exp. */
+ scsi_set_resid(sc, icmnd_cmpl->residual);
+ sc->result = (DID_ERROR << 16) | icmnd_cmpl->scsi_status;
+ break;
+
+ case FCPIO_OUT_OF_RESOURCE: /* out of resources to complete request */
+ sc->result = (DID_REQUEUE << 16) | icmnd_cmpl->scsi_status;
+ break;
+ case FCPIO_INVALID_HEADER: /* header contains invalid data */
+ case FCPIO_INVALID_PARAM: /* some parameter in request invalid */
+ case FCPIO_REQ_NOT_SUPPORTED:/* request type is not supported */
+ case FCPIO_IO_NOT_FOUND: /* requested I/O was not found */
+ case FCPIO_SGL_INVALID: /* request was aborted due to sgl error */
+ case FCPIO_MSS_INVALID: /* request was aborted due to mss error */
+ case FCPIO_FW_ERR: /* request was terminated due fw error */
+ default:
+ shost_printk(KERN_ERR, fnic->lport->host, "hdr status = %s\n",
+ fnic_fcpio_status_to_str(hdr_status));
+ sc->result = (DID_ERROR << 16) | icmnd_cmpl->scsi_status;
+ break;
+ }
+
+ /* Break link with the SCSI command */
+ CMD_SP(sc) = NULL;
+
+ spin_unlock_irqrestore(io_lock, flags);
+
+ fnic_release_ioreq_buf(fnic, io_req, sc);
+
+ mempool_free(io_req, fnic->io_req_pool);
+
+ if (sc->sc_data_direction == DMA_FROM_DEVICE) {
+ fnic->lport->host_stats.fcp_input_requests++;
+ fnic->fcp_input_bytes += xfer_len;
+ } else if (sc->sc_data_direction == DMA_TO_DEVICE) {
+ fnic->lport->host_stats.fcp_output_requests++;
+ fnic->fcp_output_bytes += xfer_len;
+ } else
+ fnic->lport->host_stats.fcp_control_requests++;
+
+ /* Call SCSI completion function to complete the IO */
+ if (sc->scsi_done)
+ sc->scsi_done(sc);
+
+}
+
+/* fnic_fcpio_itmf_cmpl_handler
+ * Routine to handle itmf completions
+ */
+static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic,
+ struct fcpio_fw_req *desc)
+{
+ u8 type;
+ u8 hdr_status;
+ struct fcpio_tag tag;
+ u32 id;
+ struct scsi_cmnd *sc;
+ struct fnic_io_req *io_req;
+ unsigned long flags;
+ spinlock_t *io_lock;
+
+ fcpio_header_dec(&desc->hdr, &type, &hdr_status, &tag);
+ fcpio_tag_id_dec(&tag, &id);
+
+ if ((id & FNIC_TAG_MASK) >= FNIC_MAX_IO_REQ)
+ return;
+
+ sc = scsi_host_find_tag(fnic->lport->host, id & FNIC_TAG_MASK);
+ WARN_ON_ONCE(!sc);
+ if (!sc)
+ return;
+
+ io_lock = fnic_io_lock_hash(fnic, sc);
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ WARN_ON_ONCE(!io_req);
+ if (!io_req) {
+ spin_unlock_irqrestore(io_lock, flags);
+ return;
+ }
+
+ if (id & FNIC_TAG_ABORT) {
+ /* Completion of abort cmd */
+ if (CMD_STATE(sc) != FNIC_IOREQ_ABTS_PENDING) {
+ /* This is a late completion. Ignore it */
+ spin_unlock_irqrestore(io_lock, flags);
+ return;
+ }
+ CMD_STATE(sc) = FNIC_IOREQ_ABTS_COMPLETE;
+ CMD_ABTS_STATUS(sc) = hdr_status;
+
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "abts cmpl recd. id %d status %s\n",
+ (int)(id & FNIC_TAG_MASK),
+ fnic_fcpio_status_to_str(hdr_status));
+
+ /*
+ * If scsi_eh thread is blocked waiting for abts to complete,
+ * signal completion to it. IO will be cleaned in the thread
+ * else clean it in this context
+ */
+ if (io_req->abts_done) {
+ complete(io_req->abts_done);
+ spin_unlock_irqrestore(io_lock, flags);
+ } else {
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "abts cmpl, completing IO\n");
+ CMD_SP(sc) = NULL;
+ sc->result = (DID_ERROR << 16);
+
+ spin_unlock_irqrestore(io_lock, flags);
+
+ fnic_release_ioreq_buf(fnic, io_req, sc);
+ mempool_free(io_req, fnic->io_req_pool);
+ if (sc->scsi_done)
+ sc->scsi_done(sc);
+ }
+
+ } else if (id & FNIC_TAG_DEV_RST) {
+ /* Completion of device reset */
+ CMD_LR_STATUS(sc) = hdr_status;
+ CMD_STATE(sc) = FNIC_IOREQ_CMD_COMPLETE;
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "dev reset cmpl recd. id %d status %s\n",
+ (int)(id & FNIC_TAG_MASK),
+ fnic_fcpio_status_to_str(hdr_status));
+ if (io_req->dr_done)
+ complete(io_req->dr_done);
+ spin_unlock_irqrestore(io_lock, flags);
+
+ } else {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Unexpected itmf io state %s tag %x\n",
+ fnic_ioreq_state_to_str(CMD_STATE(sc)), id);
+ spin_unlock_irqrestore(io_lock, flags);
+ }
+
+}
+
+/*
+ * fnic_fcpio_cmpl_handler
+ * Routine to service the cq for wq_copy
+ */
+static int fnic_fcpio_cmpl_handler(struct vnic_dev *vdev,
+ unsigned int cq_index,
+ struct fcpio_fw_req *desc)
+{
+ struct fnic *fnic = vnic_dev_priv(vdev);
+ int ret = 0;
+
+ switch (desc->hdr.type) {
+ case FCPIO_ACK: /* fw copied copy wq desc to its queue */
+ fnic_fcpio_ack_handler(fnic, cq_index, desc);
+ break;
+
+ case FCPIO_ICMND_CMPL: /* fw completed a command */
+ fnic_fcpio_icmnd_cmpl_handler(fnic, desc);
+ break;
+
+ case FCPIO_ITMF_CMPL: /* fw completed itmf (abort cmd, lun reset)*/
+ fnic_fcpio_itmf_cmpl_handler(fnic, desc);
+ break;
+
+ case FCPIO_FLOGI_REG_CMPL: /* fw completed flogi_reg */
+ ret = fnic_fcpio_flogi_reg_cmpl_handler(fnic, desc);
+ break;
+
+ case FCPIO_RESET_CMPL: /* fw completed reset */
+ ret = fnic_fcpio_fw_reset_cmpl_handler(fnic, desc);
+ break;
+
+ default:
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "firmware completion type %d\n",
+ desc->hdr.type);
+ break;
+ }
+
+ return ret;
+}
+
+/*
+ * fnic_wq_copy_cmpl_handler
+ * Routine to process wq copy
+ */
+int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int copy_work_to_do)
+{
+ unsigned int wq_work_done = 0;
+ unsigned int i, cq_index;
+ unsigned int cur_work_done;
+
+ for (i = 0; i < fnic->wq_copy_count; i++) {
+ cq_index = i + fnic->raw_wq_count + fnic->rq_count;
+ cur_work_done = vnic_cq_copy_service(&fnic->cq[cq_index],
+ fnic_fcpio_cmpl_handler,
+ copy_work_to_do);
+ wq_work_done += cur_work_done;
+ }
+ return wq_work_done;
+}
+
+static void fnic_cleanup_io(struct fnic *fnic, int exclude_id)
+{
+ unsigned int i;
+ struct fnic_io_req *io_req;
+ unsigned long flags = 0;
+ struct scsi_cmnd *sc;
+ spinlock_t *io_lock;
+
+ for (i = 0; i < FNIC_MAX_IO_REQ; i++) {
+ if (i == exclude_id)
+ continue;
+
+ sc = scsi_host_find_tag(fnic->lport->host, i);
+ if (!sc)
+ continue;
+
+ io_lock = fnic_io_lock_hash(fnic, sc);
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ if (!io_req) {
+ spin_unlock_irqrestore(io_lock, flags);
+ goto cleanup_scsi_cmd;
+ }
+
+ CMD_SP(sc) = NULL;
+
+ spin_unlock_irqrestore(io_lock, flags);
+
+ /*
+ * If there is a scsi_cmnd associated with this io_req, then
+ * free the corresponding state
+ */
+ fnic_release_ioreq_buf(fnic, io_req, sc);
+ mempool_free(io_req, fnic->io_req_pool);
+
+cleanup_scsi_cmd:
+ sc->result = DID_TRANSPORT_DISRUPTED << 16;
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "fnic_cleanup_io:"
+ " DID_TRANSPORT_DISRUPTED\n");
+
+ /* Complete the command to SCSI */
+ if (sc->scsi_done)
+ sc->scsi_done(sc);
+ }
+}
+
+void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq,
+ struct fcpio_host_req *desc)
+{
+ u32 id;
+ struct fnic *fnic = vnic_dev_priv(wq->vdev);
+ struct fnic_io_req *io_req;
+ struct scsi_cmnd *sc;
+ unsigned long flags;
+ spinlock_t *io_lock;
+
+ /* get the tag reference */
+ fcpio_tag_id_dec(&desc->hdr.tag, &id);
+ id &= FNIC_TAG_MASK;
+
+ if (id >= FNIC_MAX_IO_REQ)
+ return;
+
+ sc = scsi_host_find_tag(fnic->lport->host, id);
+ if (!sc)
+ return;
+
+ io_lock = fnic_io_lock_hash(fnic, sc);
+ spin_lock_irqsave(io_lock, flags);
+
+ /* Get the IO context which this desc refers to */
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+
+ /* fnic interrupts are turned off by now */
+
+ if (!io_req) {
+ spin_unlock_irqrestore(io_lock, flags);
+ goto wq_copy_cleanup_scsi_cmd;
+ }
+
+ CMD_SP(sc) = NULL;
+
+ spin_unlock_irqrestore(io_lock, flags);
+
+ fnic_release_ioreq_buf(fnic, io_req, sc);
+ mempool_free(io_req, fnic->io_req_pool);
+
+wq_copy_cleanup_scsi_cmd:
+ sc->result = DID_NO_CONNECT << 16;
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "wq_copy_cleanup_handler:"
+ " DID_NO_CONNECT\n");
+
+ if (sc->scsi_done)
+ sc->scsi_done(sc);
+}
+
+static inline int fnic_queue_abort_io_req(struct fnic *fnic, int tag,
+ u32 task_req, u8 *fc_lun,
+ struct fnic_io_req *io_req)
+{
+ struct vnic_wq_copy *wq = &fnic->wq_copy[0];
+ unsigned long flags;
+
+ spin_lock_irqsave(&fnic->wq_copy_lock[0], flags);
+
+ if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
+ free_wq_copy_descs(fnic, wq);
+
+ if (!vnic_wq_copy_desc_avail(wq)) {
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags);
+ return 1;
+ }
+ fnic_queue_wq_copy_desc_itmf(wq, tag | FNIC_TAG_ABORT,
+ 0, task_req, tag, fc_lun, io_req->port_id,
+ fnic->config.ra_tov, fnic->config.ed_tov);
+
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags);
+ return 0;
+}
+
+void fnic_rport_exch_reset(struct fnic *fnic, u32 port_id)
+{
+ int tag;
+ struct fnic_io_req *io_req;
+ spinlock_t *io_lock;
+ unsigned long flags;
+ struct scsi_cmnd *sc;
+ struct scsi_lun fc_lun;
+ enum fnic_ioreq_state old_ioreq_state;
+
+ FNIC_SCSI_DBG(KERN_DEBUG,
+ fnic->lport->host,
+ "fnic_rport_reset_exch called portid 0x%06x\n",
+ port_id);
+
+ if (fnic->in_remove)
+ return;
+
+ for (tag = 0; tag < FNIC_MAX_IO_REQ; tag++) {
+ sc = scsi_host_find_tag(fnic->lport->host, tag);
+ if (!sc)
+ continue;
+
+ io_lock = fnic_io_lock_hash(fnic, sc);
+ spin_lock_irqsave(io_lock, flags);
+
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+
+ if (!io_req || io_req->port_id != port_id) {
+ spin_unlock_irqrestore(io_lock, flags);
+ continue;
+ }
+
+ /*
+ * Found IO that is still pending with firmware and
+ * belongs to rport that went away
+ */
+ if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
+ spin_unlock_irqrestore(io_lock, flags);
+ continue;
+ }
+ old_ioreq_state = CMD_STATE(sc);
+ CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING;
+ CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE;
+
+ BUG_ON(io_req->abts_done);
+
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "fnic_rport_reset_exch: Issuing abts\n");
+
+ spin_unlock_irqrestore(io_lock, flags);
+
+ /* Now queue the abort command to firmware */
+ int_to_scsilun(sc->device->lun, &fc_lun);
+
+ if (fnic_queue_abort_io_req(fnic, tag,
+ FCPIO_ITMF_ABT_TASK_TERM,
+ fc_lun.scsi_lun, io_req)) {
+ /*
+ * Revert the cmd state back to old state, if
+ * it hasnt changed in between. This cmd will get
+ * aborted later by scsi_eh, or cleaned up during
+ * lun reset
+ */
+ io_lock = fnic_io_lock_hash(fnic, sc);
+
+ spin_lock_irqsave(io_lock, flags);
+ if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING)
+ CMD_STATE(sc) = old_ioreq_state;
+ spin_unlock_irqrestore(io_lock, flags);
+ }
+ }
+
+}
+
+void fnic_terminate_rport_io(struct fc_rport *rport)
+{
+ int tag;
+ struct fnic_io_req *io_req;
+ spinlock_t *io_lock;
+ unsigned long flags;
+ struct scsi_cmnd *sc;
+ struct scsi_lun fc_lun;
+ struct fc_rport_libfc_priv *rdata = rport->dd_data;
+ struct fc_lport *lport = rdata->local_port;
+ struct fnic *fnic = lport_priv(lport);
+ struct fc_rport *cmd_rport;
+ enum fnic_ioreq_state old_ioreq_state;
+
+ FNIC_SCSI_DBG(KERN_DEBUG,
+ fnic->lport->host, "fnic_terminate_rport_io called"
+ " wwpn 0x%llx, wwnn0x%llx, portid 0x%06x\n",
+ rport->port_name, rport->node_name,
+ rport->port_id);
+
+ if (fnic->in_remove)
+ return;
+
+ for (tag = 0; tag < FNIC_MAX_IO_REQ; tag++) {
+ sc = scsi_host_find_tag(fnic->lport->host, tag);
+ if (!sc)
+ continue;
+
+ cmd_rport = starget_to_rport(scsi_target(sc->device));
+ if (rport != cmd_rport)
+ continue;
+
+ io_lock = fnic_io_lock_hash(fnic, sc);
+ spin_lock_irqsave(io_lock, flags);
+
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+
+ if (!io_req || rport != cmd_rport) {
+ spin_unlock_irqrestore(io_lock, flags);
+ continue;
+ }
+
+ /*
+ * Found IO that is still pending with firmware and
+ * belongs to rport that went away
+ */
+ if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
+ spin_unlock_irqrestore(io_lock, flags);
+ continue;
+ }
+ old_ioreq_state = CMD_STATE(sc);
+ CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING;
+ CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE;
+
+ BUG_ON(io_req->abts_done);
+
+ FNIC_SCSI_DBG(KERN_DEBUG,
+ fnic->lport->host,
+ "fnic_terminate_rport_io: Issuing abts\n");
+
+ spin_unlock_irqrestore(io_lock, flags);
+
+ /* Now queue the abort command to firmware */
+ int_to_scsilun(sc->device->lun, &fc_lun);
+
+ if (fnic_queue_abort_io_req(fnic, tag,
+ FCPIO_ITMF_ABT_TASK_TERM,
+ fc_lun.scsi_lun, io_req)) {
+ /*
+ * Revert the cmd state back to old state, if
+ * it hasnt changed in between. This cmd will get
+ * aborted later by scsi_eh, or cleaned up during
+ * lun reset
+ */
+ io_lock = fnic_io_lock_hash(fnic, sc);
+
+ spin_lock_irqsave(io_lock, flags);
+ if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING)
+ CMD_STATE(sc) = old_ioreq_state;
+ spin_unlock_irqrestore(io_lock, flags);
+ }
+ }
+
+}
+
+static void fnic_block_error_handler(struct scsi_cmnd *sc)
+{
+ struct Scsi_Host *shost = sc->device->host;
+ struct fc_rport *rport = starget_to_rport(scsi_target(sc->device));
+ unsigned long flags;
+
+ spin_lock_irqsave(shost->host_lock, flags);
+ while (rport->port_state == FC_PORTSTATE_BLOCKED) {
+ spin_unlock_irqrestore(shost->host_lock, flags);
+ msleep(1000);
+ spin_lock_irqsave(shost->host_lock, flags);
+ }
+ spin_unlock_irqrestore(shost->host_lock, flags);
+
+}
+
+/*
+ * This function is exported to SCSI for sending abort cmnds.
+ * A SCSI IO is represented by a io_req in the driver.
+ * The ioreq is linked to the SCSI Cmd, thus a link with the ULP's IO.
+ */
+int fnic_abort_cmd(struct scsi_cmnd *sc)
+{
+ struct fc_lport *lp;
+ struct fnic *fnic;
+ struct fnic_io_req *io_req;
+ struct fc_rport *rport;
+ spinlock_t *io_lock;
+ unsigned long flags;
+ int ret = SUCCESS;
+ u32 task_req;
+ struct scsi_lun fc_lun;
+ DECLARE_COMPLETION_ONSTACK(tm_done);
+
+ /* Wait for rport to unblock */
+ fnic_block_error_handler(sc);
+
+ /* Get local-port, check ready and link up */
+ lp = shost_priv(sc->device->host);
+
+ fnic = lport_priv(lp);
+ FNIC_SCSI_DBG(KERN_DEBUG,
+ fnic->lport->host,
+ "Abort Cmd called FCID 0x%x, LUN 0x%x TAG %d\n",
+ (starget_to_rport(scsi_target(sc->device)))->port_id,
+ sc->device->lun, sc->request->tag);
+
+ if (lp->state != LPORT_ST_READY || !(lp->link_up)) {
+ ret = FAILED;
+ goto fnic_abort_cmd_end;
+ }
+
+ /*
+ * Avoid a race between SCSI issuing the abort and the device
+ * completing the command.
+ *
+ * If the command is already completed by the fw cmpl code,
+ * we just return SUCCESS from here. This means that the abort
+ * succeeded. In the SCSI ML, since the timeout for command has
+ * happened, the completion wont actually complete the command
+ * and it will be considered as an aborted command
+ *
+ * The CMD_SP will not be cleared except while holding io_req_lock.
+ */
+ io_lock = fnic_io_lock_hash(fnic, sc);
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ if (!io_req) {
+ spin_unlock_irqrestore(io_lock, flags);
+ goto fnic_abort_cmd_end;
+ }
+
+ io_req->abts_done = &tm_done;
+
+ if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
+ spin_unlock_irqrestore(io_lock, flags);
+ goto wait_pending;
+ }
+ /*
+ * Command is still pending, need to abort it
+ * If the firmware completes the command after this point,
+ * the completion wont be done till mid-layer, since abort
+ * has already started.
+ */
+ CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING;
+ CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE;
+
+ spin_unlock_irqrestore(io_lock, flags);
+
+ /*
+ * Check readiness of the remote port. If the path to remote
+ * port is up, then send abts to the remote port to terminate
+ * the IO. Else, just locally terminate the IO in the firmware
+ */
+ rport = starget_to_rport(scsi_target(sc->device));
+ if (fc_remote_port_chkready(rport) == 0)
+ task_req = FCPIO_ITMF_ABT_TASK;
+ else
+ task_req = FCPIO_ITMF_ABT_TASK_TERM;
+
+ /* Now queue the abort command to firmware */
+ int_to_scsilun(sc->device->lun, &fc_lun);
+
+ if (fnic_queue_abort_io_req(fnic, sc->request->tag, task_req,
+ fc_lun.scsi_lun, io_req)) {
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ if (io_req)
+ io_req->abts_done = NULL;
+ spin_unlock_irqrestore(io_lock, flags);
+ ret = FAILED;
+ goto fnic_abort_cmd_end;
+ }
+
+ /*
+ * We queued an abort IO, wait for its completion.
+ * Once the firmware completes the abort command, it will
+ * wake up this thread.
+ */
+ wait_pending:
+ wait_for_completion_timeout(&tm_done,
+ msecs_to_jiffies
+ (2 * fnic->config.ra_tov +
+ fnic->config.ed_tov));
+
+ /* Check the abort status */
+ spin_lock_irqsave(io_lock, flags);
+
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ if (!io_req) {
+ spin_unlock_irqrestore(io_lock, flags);
+ ret = FAILED;
+ goto fnic_abort_cmd_end;
+ }
+ io_req->abts_done = NULL;
+
+ /* fw did not complete abort, timed out */
+ if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
+ spin_unlock_irqrestore(io_lock, flags);
+ ret = FAILED;
+ goto fnic_abort_cmd_end;
+ }
+
+ /*
+ * firmware completed the abort, check the status,
+ * free the io_req irrespective of failure or success
+ */
+ if (CMD_ABTS_STATUS(sc) != FCPIO_SUCCESS)
+ ret = FAILED;
+
+ CMD_SP(sc) = NULL;
+
+ spin_unlock_irqrestore(io_lock, flags);
+
+ fnic_release_ioreq_buf(fnic, io_req, sc);
+ mempool_free(io_req, fnic->io_req_pool);
+
+fnic_abort_cmd_end:
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "Returning from abort cmd %s\n",
+ (ret == SUCCESS) ?
+ "SUCCESS" : "FAILED");
+ return ret;
+}
+
+static inline int fnic_queue_dr_io_req(struct fnic *fnic,
+ struct scsi_cmnd *sc,
+ struct fnic_io_req *io_req)
+{
+ struct vnic_wq_copy *wq = &fnic->wq_copy[0];
+ struct scsi_lun fc_lun;
+ int ret = 0;
+ unsigned long intr_flags;
+
+ spin_lock_irqsave(&fnic->wq_copy_lock[0], intr_flags);
+
+ if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
+ free_wq_copy_descs(fnic, wq);
+
+ if (!vnic_wq_copy_desc_avail(wq)) {
+ ret = -EAGAIN;
+ goto lr_io_req_end;
+ }
+
+ /* fill in the lun info */
+ int_to_scsilun(sc->device->lun, &fc_lun);
+
+ fnic_queue_wq_copy_desc_itmf(wq, sc->request->tag | FNIC_TAG_DEV_RST,
+ 0, FCPIO_ITMF_LUN_RESET, SCSI_NO_TAG,
+ fc_lun.scsi_lun, io_req->port_id,
+ fnic->config.ra_tov, fnic->config.ed_tov);
+
+lr_io_req_end:
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[0], intr_flags);
+
+ return ret;
+}
+
+/*
+ * Clean up any pending aborts on the lun
+ * For each outstanding IO on this lun, whose abort is not completed by fw,
+ * issue a local abort. Wait for abort to complete. Return 0 if all commands
+ * successfully aborted, 1 otherwise
+ */
+static int fnic_clean_pending_aborts(struct fnic *fnic,
+ struct scsi_cmnd *lr_sc)
+{
+ int tag;
+ struct fnic_io_req *io_req;
+ spinlock_t *io_lock;
+ unsigned long flags;
+ int ret = 0;
+ struct scsi_cmnd *sc;
+ struct fc_rport *rport;
+ struct scsi_lun fc_lun;
+ struct scsi_device *lun_dev = lr_sc->device;
+ DECLARE_COMPLETION_ONSTACK(tm_done);
+
+ for (tag = 0; tag < FNIC_MAX_IO_REQ; tag++) {
+ sc = scsi_host_find_tag(fnic->lport->host, tag);
+ /*
+ * ignore this lun reset cmd or cmds that do not belong to
+ * this lun
+ */
+ if (!sc || sc == lr_sc || sc->device != lun_dev)
+ continue;
+
+ io_lock = fnic_io_lock_hash(fnic, sc);
+ spin_lock_irqsave(io_lock, flags);
+
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+
+ if (!io_req || sc->device != lun_dev) {
+ spin_unlock_irqrestore(io_lock, flags);
+ continue;
+ }
+
+ /*
+ * Found IO that is still pending with firmware and
+ * belongs to the LUN that we are resetting
+ */
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "Found IO in %s on lun\n",
+ fnic_ioreq_state_to_str(CMD_STATE(sc)));
+
+ BUG_ON(CMD_STATE(sc) != FNIC_IOREQ_ABTS_PENDING);
+
+ CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE;
+ io_req->abts_done = &tm_done;
+ spin_unlock_irqrestore(io_lock, flags);
+
+ /* Now queue the abort command to firmware */
+ int_to_scsilun(sc->device->lun, &fc_lun);
+ rport = starget_to_rport(scsi_target(sc->device));
+
+ if (fnic_queue_abort_io_req(fnic, tag,
+ FCPIO_ITMF_ABT_TASK_TERM,
+ fc_lun.scsi_lun, io_req)) {
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ if (io_req)
+ io_req->abts_done = NULL;
+ spin_unlock_irqrestore(io_lock, flags);
+ ret = 1;
+ goto clean_pending_aborts_end;
+ }
+
+ wait_for_completion_timeout(&tm_done,
+ msecs_to_jiffies
+ (fnic->config.ed_tov));
+
+ /* Recheck cmd state to check if it is now aborted */
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ if (!io_req) {
+ spin_unlock_irqrestore(io_lock, flags);
+ ret = 1;
+ goto clean_pending_aborts_end;
+ }
+
+ io_req->abts_done = NULL;
+
+ /* if abort is still pending with fw, fail */
+ if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
+ spin_unlock_irqrestore(io_lock, flags);
+ ret = 1;
+ goto clean_pending_aborts_end;
+ }
+ CMD_SP(sc) = NULL;
+ spin_unlock_irqrestore(io_lock, flags);
+
+ fnic_release_ioreq_buf(fnic, io_req, sc);
+ mempool_free(io_req, fnic->io_req_pool);
+ }
+
+clean_pending_aborts_end:
+ return ret;
+}
+
+/*
+ * SCSI Eh thread issues a Lun Reset when one or more commands on a LUN
+ * fail to get aborted. It calls driver's eh_device_reset with a SCSI command
+ * on the LUN.
+ */
+int fnic_device_reset(struct scsi_cmnd *sc)
+{
+ struct fc_lport *lp;
+ struct fnic *fnic;
+ struct fnic_io_req *io_req;
+ struct fc_rport *rport;
+ int status;
+ int ret = FAILED;
+ spinlock_t *io_lock;
+ unsigned long flags;
+ DECLARE_COMPLETION_ONSTACK(tm_done);
+
+ /* Wait for rport to unblock */
+ fnic_block_error_handler(sc);
+
+ /* Get local-port, check ready and link up */
+ lp = shost_priv(sc->device->host);
+
+ fnic = lport_priv(lp);
+ FNIC_SCSI_DBG(KERN_DEBUG,
+ fnic->lport->host,
+ "Device reset called FCID 0x%x, LUN 0x%x\n",
+ (starget_to_rport(scsi_target(sc->device)))->port_id,
+ sc->device->lun);
+
+
+ if (lp->state != LPORT_ST_READY || !(lp->link_up))
+ goto fnic_device_reset_end;
+
+ /* Check if remote port up */
+ rport = starget_to_rport(scsi_target(sc->device));
+ if (fc_remote_port_chkready(rport))
+ goto fnic_device_reset_end;
+
+ io_lock = fnic_io_lock_hash(fnic, sc);
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+
+ /*
+ * If there is a io_req attached to this command, then use it,
+ * else allocate a new one.
+ */
+ if (!io_req) {
+ io_req = mempool_alloc(fnic->io_req_pool, GFP_ATOMIC);
+ if (!io_req) {
+ spin_unlock_irqrestore(io_lock, flags);
+ goto fnic_device_reset_end;
+ }
+ memset(io_req, 0, sizeof(*io_req));
+ io_req->port_id = rport->port_id;
+ CMD_SP(sc) = (char *)io_req;
+ }
+ io_req->dr_done = &tm_done;
+ CMD_STATE(sc) = FNIC_IOREQ_CMD_PENDING;
+ CMD_LR_STATUS(sc) = FCPIO_INVALID_CODE;
+ spin_unlock_irqrestore(io_lock, flags);
+
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "TAG %d\n",
+ sc->request->tag);
+
+ /*
+ * issue the device reset, if enqueue failed, clean up the ioreq
+ * and break assoc with scsi cmd
+ */
+ if (fnic_queue_dr_io_req(fnic, sc, io_req)) {
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ if (io_req)
+ io_req->dr_done = NULL;
+ goto fnic_device_reset_clean;
+ }
+
+ /*
+ * Wait on the local completion for LUN reset. The io_req may be
+ * freed while we wait since we hold no lock.
+ */
+ wait_for_completion_timeout(&tm_done,
+ msecs_to_jiffies(FNIC_LUN_RESET_TIMEOUT));
+
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ if (!io_req) {
+ spin_unlock_irqrestore(io_lock, flags);
+ goto fnic_device_reset_end;
+ }
+ io_req->dr_done = NULL;
+
+ status = CMD_LR_STATUS(sc);
+ spin_unlock_irqrestore(io_lock, flags);
+
+ /*
+ * If lun reset not completed, bail out with failed. io_req
+ * gets cleaned up during higher levels of EH
+ */
+ if (status == FCPIO_INVALID_CODE) {
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "Device reset timed out\n");
+ goto fnic_device_reset_end;
+ }
+
+ /* Completed, but not successful, clean up the io_req, return fail */
+ if (status != FCPIO_SUCCESS) {
+ spin_lock_irqsave(io_lock, flags);
+ FNIC_SCSI_DBG(KERN_DEBUG,
+ fnic->lport->host,
+ "Device reset completed - failed\n");
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ goto fnic_device_reset_clean;
+ }
+
+ /*
+ * Clean up any aborts on this lun that have still not
+ * completed. If any of these fail, then LUN reset fails.
+ * clean_pending_aborts cleans all cmds on this lun except
+ * the lun reset cmd. If all cmds get cleaned, the lun reset
+ * succeeds
+ */
+ if (fnic_clean_pending_aborts(fnic, sc)) {
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "Device reset failed"
+ " since could not abort all IOs\n");
+ goto fnic_device_reset_clean;
+ }
+
+ /* Clean lun reset command */
+ spin_lock_irqsave(io_lock, flags);
+ io_req = (struct fnic_io_req *)CMD_SP(sc);
+ if (io_req)
+ /* Completed, and successful */
+ ret = SUCCESS;
+
+fnic_device_reset_clean:
+ if (io_req)
+ CMD_SP(sc) = NULL;
+
+ spin_unlock_irqrestore(io_lock, flags);
+
+ if (io_req) {
+ fnic_release_ioreq_buf(fnic, io_req, sc);
+ mempool_free(io_req, fnic->io_req_pool);
+ }
+
+fnic_device_reset_end:
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "Returning from device reset %s\n",
+ (ret == SUCCESS) ?
+ "SUCCESS" : "FAILED");
+ return ret;
+}
+
+/* Clean up all IOs, clean up libFC local port */
+int fnic_reset(struct Scsi_Host *shost)
+{
+ struct fc_lport *lp;
+ struct fnic *fnic;
+ int ret = SUCCESS;
+
+ lp = shost_priv(shost);
+ fnic = lport_priv(lp);
+
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "fnic_reset called\n");
+
+ /*
+ * Reset local port, this will clean up libFC exchanges,
+ * reset remote port sessions, and if link is up, begin flogi
+ */
+ if (lp->tt.lport_reset(lp))
+ ret = FAILED;
+
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "Returning from fnic reset %s\n",
+ (ret == SUCCESS) ?
+ "SUCCESS" : "FAILED");
+
+ return ret;
+}
+
+/*
+ * SCSI Error handling calls driver's eh_host_reset if all prior
+ * error handling levels return FAILED. If host reset completes
+ * successfully, and if link is up, then Fabric login begins.
+ *
+ * Host Reset is the highest level of error recovery. If this fails, then
+ * host is offlined by SCSI.
+ *
+ */
+int fnic_host_reset(struct scsi_cmnd *sc)
+{
+ int ret;
+ unsigned long wait_host_tmo;
+ struct Scsi_Host *shost = sc->device->host;
+ struct fc_lport *lp = shost_priv(shost);
+
+ /*
+ * If fnic_reset is successful, wait for fabric login to complete
+ * scsi-ml tries to send a TUR to every device if host reset is
+ * successful, so before returning to scsi, fabric should be up
+ */
+ ret = fnic_reset(shost);
+ if (ret == SUCCESS) {
+ wait_host_tmo = jiffies + FNIC_HOST_RESET_SETTLE_TIME * HZ;
+ ret = FAILED;
+ while (time_before(jiffies, wait_host_tmo)) {
+ if ((lp->state == LPORT_ST_READY) &&
+ (lp->link_up)) {
+ ret = SUCCESS;
+ break;
+ }
+ ssleep(1);
+ }
+ }
+
+ return ret;
+}
+
+/*
+ * This fxn is called from libFC when host is removed
+ */
+void fnic_scsi_abort_io(struct fc_lport *lp)
+{
+ int err = 0;
+ unsigned long flags;
+ enum fnic_state old_state;
+ struct fnic *fnic = lport_priv(lp);
+ DECLARE_COMPLETION_ONSTACK(remove_wait);
+
+ /* Issue firmware reset for fnic, wait for reset to complete */
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ fnic->remove_wait = &remove_wait;
+ old_state = fnic->state;
+ fnic->state = FNIC_IN_FC_TRANS_ETH_MODE;
+ vnic_dev_del_addr(fnic->vdev, fnic->data_src_addr);
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ err = fnic_fw_reset_handler(fnic);
+ if (err) {
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ if (fnic->state == FNIC_IN_FC_TRANS_ETH_MODE)
+ fnic->state = old_state;
+ fnic->remove_wait = NULL;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ return;
+ }
+
+ /* Wait for firmware reset to complete */
+ wait_for_completion_timeout(&remove_wait,
+ msecs_to_jiffies(FNIC_RMDEVICE_TIMEOUT));
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ fnic->remove_wait = NULL;
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "fnic_scsi_abort_io %s\n",
+ (fnic->state == FNIC_IN_ETH_MODE) ?
+ "SUCCESS" : "FAILED");
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+}
+
+/*
+ * This fxn called from libFC to clean up driver IO state on link down
+ */
+void fnic_scsi_cleanup(struct fc_lport *lp)
+{
+ unsigned long flags;
+ enum fnic_state old_state;
+ struct fnic *fnic = lport_priv(lp);
+
+ /* issue fw reset */
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ old_state = fnic->state;
+ fnic->state = FNIC_IN_FC_TRANS_ETH_MODE;
+ vnic_dev_del_addr(fnic->vdev, fnic->data_src_addr);
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+ if (fnic_fw_reset_handler(fnic)) {
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ if (fnic->state == FNIC_IN_FC_TRANS_ETH_MODE)
+ fnic->state = old_state;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ }
+
+}
+
+void fnic_empty_scsi_cleanup(struct fc_lport *lp)
+{
+}
+
+void fnic_exch_mgr_reset(struct fc_lport *lp, u32 sid, u32 did)
+{
+ struct fnic *fnic = lport_priv(lp);
+
+ /* Non-zero sid, nothing to do */
+ if (sid)
+ goto call_fc_exch_mgr_reset;
+
+ if (did) {
+ fnic_rport_exch_reset(fnic, did);
+ goto call_fc_exch_mgr_reset;
+ }
+
+ /*
+ * sid = 0, did = 0
+ * link down or device being removed
+ */
+ if (!fnic->in_remove)
+ fnic_scsi_cleanup(lp);
+ else
+ fnic_scsi_abort_io(lp);
+
+ /* call libFC exch mgr reset to reset its exchanges */
+call_fc_exch_mgr_reset:
+ fc_exch_mgr_reset(lp, sid, did);
+
+}
diff --git a/drivers/scsi/fnic/rq_enet_desc.h b/drivers/scsi/fnic/rq_enet_desc.h
new file mode 100644
index 000000000000..92e80ae6b725
--- /dev/null
+++ b/drivers/scsi/fnic/rq_enet_desc.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _RQ_ENET_DESC_H_
+#define _RQ_ENET_DESC_H_
+
+/* Ethernet receive queue descriptor: 16B */
+struct rq_enet_desc {
+ __le64 address;
+ __le16 length_type;
+ u8 reserved[6];
+};
+
+enum rq_enet_type_types {
+ RQ_ENET_TYPE_ONLY_SOP = 0,
+ RQ_ENET_TYPE_NOT_SOP = 1,
+ RQ_ENET_TYPE_RESV2 = 2,
+ RQ_ENET_TYPE_RESV3 = 3,
+};
+
+#define RQ_ENET_ADDR_BITS 64
+#define RQ_ENET_LEN_BITS 14
+#define RQ_ENET_LEN_MASK ((1 << RQ_ENET_LEN_BITS) - 1)
+#define RQ_ENET_TYPE_BITS 2
+#define RQ_ENET_TYPE_MASK ((1 << RQ_ENET_TYPE_BITS) - 1)
+
+static inline void rq_enet_desc_enc(struct rq_enet_desc *desc,
+ u64 address, u8 type, u16 length)
+{
+ desc->address = cpu_to_le64(address);
+ desc->length_type = cpu_to_le16((length & RQ_ENET_LEN_MASK) |
+ ((type & RQ_ENET_TYPE_MASK) << RQ_ENET_LEN_BITS));
+}
+
+static inline void rq_enet_desc_dec(struct rq_enet_desc *desc,
+ u64 *address, u8 *type, u16 *length)
+{
+ *address = le64_to_cpu(desc->address);
+ *length = le16_to_cpu(desc->length_type) & RQ_ENET_LEN_MASK;
+ *type = (u8)((le16_to_cpu(desc->length_type) >> RQ_ENET_LEN_BITS) &
+ RQ_ENET_TYPE_MASK);
+}
+
+#endif /* _RQ_ENET_DESC_H_ */
diff --git a/drivers/scsi/fnic/vnic_cq.c b/drivers/scsi/fnic/vnic_cq.c
new file mode 100644
index 000000000000..c5db32eda5ef
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_cq.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include "vnic_dev.h"
+#include "vnic_cq.h"
+
+void vnic_cq_free(struct vnic_cq *cq)
+{
+ vnic_dev_free_desc_ring(cq->vdev, &cq->ring);
+
+ cq->ctrl = NULL;
+}
+
+int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index,
+ unsigned int desc_count, unsigned int desc_size)
+{
+ int err;
+
+ cq->index = index;
+ cq->vdev = vdev;
+
+ cq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_CQ, index);
+ if (!cq->ctrl) {
+ printk(KERN_ERR "Failed to hook CQ[%d] resource\n", index);
+ return -EINVAL;
+ }
+
+ err = vnic_dev_alloc_desc_ring(vdev, &cq->ring, desc_count, desc_size);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable,
+ unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail,
+ unsigned int cq_tail_color, unsigned int interrupt_enable,
+ unsigned int cq_entry_enable, unsigned int cq_message_enable,
+ unsigned int interrupt_offset, u64 cq_message_addr)
+{
+ u64 paddr;
+
+ paddr = (u64)cq->ring.base_addr | VNIC_PADDR_TARGET;
+ writeq(paddr, &cq->ctrl->ring_base);
+ iowrite32(cq->ring.desc_count, &cq->ctrl->ring_size);
+ iowrite32(flow_control_enable, &cq->ctrl->flow_control_enable);
+ iowrite32(color_enable, &cq->ctrl->color_enable);
+ iowrite32(cq_head, &cq->ctrl->cq_head);
+ iowrite32(cq_tail, &cq->ctrl->cq_tail);
+ iowrite32(cq_tail_color, &cq->ctrl->cq_tail_color);
+ iowrite32(interrupt_enable, &cq->ctrl->interrupt_enable);
+ iowrite32(cq_entry_enable, &cq->ctrl->cq_entry_enable);
+ iowrite32(cq_message_enable, &cq->ctrl->cq_message_enable);
+ iowrite32(interrupt_offset, &cq->ctrl->interrupt_offset);
+ writeq(cq_message_addr, &cq->ctrl->cq_message_addr);
+}
+
+void vnic_cq_clean(struct vnic_cq *cq)
+{
+ cq->to_clean = 0;
+ cq->last_color = 0;
+
+ iowrite32(0, &cq->ctrl->cq_head);
+ iowrite32(0, &cq->ctrl->cq_tail);
+ iowrite32(1, &cq->ctrl->cq_tail_color);
+
+ vnic_dev_clear_desc_ring(&cq->ring);
+}
diff --git a/drivers/scsi/fnic/vnic_cq.h b/drivers/scsi/fnic/vnic_cq.h
new file mode 100644
index 000000000000..4ede6809fb1e
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_cq.h
@@ -0,0 +1,121 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _VNIC_CQ_H_
+#define _VNIC_CQ_H_
+
+#include "cq_desc.h"
+#include "vnic_dev.h"
+
+/*
+ * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
+ * Driver) when both are built with CONFIG options =y
+ */
+#define vnic_cq_service fnic_cq_service
+#define vnic_cq_free fnic_cq_free
+#define vnic_cq_alloc fnic_cq_alloc
+#define vnic_cq_init fnic_cq_init
+#define vnic_cq_clean fnic_cq_clean
+
+/* Completion queue control */
+struct vnic_cq_ctrl {
+ u64 ring_base; /* 0x00 */
+ u32 ring_size; /* 0x08 */
+ u32 pad0;
+ u32 flow_control_enable; /* 0x10 */
+ u32 pad1;
+ u32 color_enable; /* 0x18 */
+ u32 pad2;
+ u32 cq_head; /* 0x20 */
+ u32 pad3;
+ u32 cq_tail; /* 0x28 */
+ u32 pad4;
+ u32 cq_tail_color; /* 0x30 */
+ u32 pad5;
+ u32 interrupt_enable; /* 0x38 */
+ u32 pad6;
+ u32 cq_entry_enable; /* 0x40 */
+ u32 pad7;
+ u32 cq_message_enable; /* 0x48 */
+ u32 pad8;
+ u32 interrupt_offset; /* 0x50 */
+ u32 pad9;
+ u64 cq_message_addr; /* 0x58 */
+ u32 pad10;
+};
+
+struct vnic_cq {
+ unsigned int index;
+ struct vnic_dev *vdev;
+ struct vnic_cq_ctrl __iomem *ctrl; /* memory-mapped */
+ struct vnic_dev_ring ring;
+ unsigned int to_clean;
+ unsigned int last_color;
+};
+
+static inline unsigned int vnic_cq_service(struct vnic_cq *cq,
+ unsigned int work_to_do,
+ int (*q_service)(struct vnic_dev *vdev, struct cq_desc *cq_desc,
+ u8 type, u16 q_number, u16 completed_index, void *opaque),
+ void *opaque)
+{
+ struct cq_desc *cq_desc;
+ unsigned int work_done = 0;
+ u16 q_number, completed_index;
+ u8 type, color;
+
+ cq_desc = (struct cq_desc *)((u8 *)cq->ring.descs +
+ cq->ring.desc_size * cq->to_clean);
+ cq_desc_dec(cq_desc, &type, &color,
+ &q_number, &completed_index);
+
+ while (color != cq->last_color) {
+
+ if ((*q_service)(cq->vdev, cq_desc, type,
+ q_number, completed_index, opaque))
+ break;
+
+ cq->to_clean++;
+ if (cq->to_clean == cq->ring.desc_count) {
+ cq->to_clean = 0;
+ cq->last_color = cq->last_color ? 0 : 1;
+ }
+
+ cq_desc = (struct cq_desc *)((u8 *)cq->ring.descs +
+ cq->ring.desc_size * cq->to_clean);
+ cq_desc_dec(cq_desc, &type, &color,
+ &q_number, &completed_index);
+
+ work_done++;
+ if (work_done >= work_to_do)
+ break;
+ }
+
+ return work_done;
+}
+
+void vnic_cq_free(struct vnic_cq *cq);
+int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index,
+ unsigned int desc_count, unsigned int desc_size);
+void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable,
+ unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail,
+ unsigned int cq_tail_color, unsigned int interrupt_enable,
+ unsigned int cq_entry_enable, unsigned int message_enable,
+ unsigned int interrupt_offset, u64 message_addr);
+void vnic_cq_clean(struct vnic_cq *cq);
+
+#endif /* _VNIC_CQ_H_ */
diff --git a/drivers/scsi/fnic/vnic_cq_copy.h b/drivers/scsi/fnic/vnic_cq_copy.h
new file mode 100644
index 000000000000..7901ce255a81
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_cq_copy.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _VNIC_CQ_COPY_H_
+#define _VNIC_CQ_COPY_H_
+
+#include "fcpio.h"
+
+static inline unsigned int vnic_cq_copy_service(
+ struct vnic_cq *cq,
+ int (*q_service)(struct vnic_dev *vdev,
+ unsigned int index,
+ struct fcpio_fw_req *desc),
+ unsigned int work_to_do)
+
+{
+ struct fcpio_fw_req *desc;
+ unsigned int work_done = 0;
+ u8 color;
+
+ desc = (struct fcpio_fw_req *)((u8 *)cq->ring.descs +
+ cq->ring.desc_size * cq->to_clean);
+ fcpio_color_dec(desc, &color);
+
+ while (color != cq->last_color) {
+
+ if ((*q_service)(cq->vdev, cq->index, desc))
+ break;
+
+ cq->to_clean++;
+ if (cq->to_clean == cq->ring.desc_count) {
+ cq->to_clean = 0;
+ cq->last_color = cq->last_color ? 0 : 1;
+ }
+
+ desc = (struct fcpio_fw_req *)((u8 *)cq->ring.descs +
+ cq->ring.desc_size * cq->to_clean);
+ fcpio_color_dec(desc, &color);
+
+ work_done++;
+ if (work_done >= work_to_do)
+ break;
+ }
+
+ return work_done;
+}
+
+#endif /* _VNIC_CQ_COPY_H_ */
diff --git a/drivers/scsi/fnic/vnic_dev.c b/drivers/scsi/fnic/vnic_dev.c
new file mode 100644
index 000000000000..566770645086
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_dev.c
@@ -0,0 +1,690 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/if_ether.h>
+#include "vnic_resource.h"
+#include "vnic_devcmd.h"
+#include "vnic_dev.h"
+#include "vnic_stats.h"
+
+struct vnic_res {
+ void __iomem *vaddr;
+ unsigned int count;
+};
+
+struct vnic_dev {
+ void *priv;
+ struct pci_dev *pdev;
+ struct vnic_res res[RES_TYPE_MAX];
+ enum vnic_dev_intr_mode intr_mode;
+ struct vnic_devcmd __iomem *devcmd;
+ struct vnic_devcmd_notify *notify;
+ struct vnic_devcmd_notify notify_copy;
+ dma_addr_t notify_pa;
+ u32 *linkstatus;
+ dma_addr_t linkstatus_pa;
+ struct vnic_stats *stats;
+ dma_addr_t stats_pa;
+ struct vnic_devcmd_fw_info *fw_info;
+ dma_addr_t fw_info_pa;
+};
+
+#define VNIC_MAX_RES_HDR_SIZE \
+ (sizeof(struct vnic_resource_header) + \
+ sizeof(struct vnic_resource) * RES_TYPE_MAX)
+#define VNIC_RES_STRIDE 128
+
+void *vnic_dev_priv(struct vnic_dev *vdev)
+{
+ return vdev->priv;
+}
+
+static int vnic_dev_discover_res(struct vnic_dev *vdev,
+ struct vnic_dev_bar *bar)
+{
+ struct vnic_resource_header __iomem *rh;
+ struct vnic_resource __iomem *r;
+ u8 type;
+
+ if (bar->len < VNIC_MAX_RES_HDR_SIZE) {
+ printk(KERN_ERR "vNIC BAR0 res hdr length error\n");
+ return -EINVAL;
+ }
+
+ rh = bar->vaddr;
+ if (!rh) {
+ printk(KERN_ERR "vNIC BAR0 res hdr not mem-mapped\n");
+ return -EINVAL;
+ }
+
+ if (ioread32(&rh->magic) != VNIC_RES_MAGIC ||
+ ioread32(&rh->version) != VNIC_RES_VERSION) {
+ printk(KERN_ERR "vNIC BAR0 res magic/version error "
+ "exp (%lx/%lx) curr (%x/%x)\n",
+ VNIC_RES_MAGIC, VNIC_RES_VERSION,
+ ioread32(&rh->magic), ioread32(&rh->version));
+ return -EINVAL;
+ }
+
+ r = (struct vnic_resource __iomem *)(rh + 1);
+
+ while ((type = ioread8(&r->type)) != RES_TYPE_EOL) {
+
+ u8 bar_num = ioread8(&r->bar);
+ u32 bar_offset = ioread32(&r->bar_offset);
+ u32 count = ioread32(&r->count);
+ u32 len;
+
+ r++;
+
+ if (bar_num != 0) /* only mapping in BAR0 resources */
+ continue;
+
+ switch (type) {
+ case RES_TYPE_WQ:
+ case RES_TYPE_RQ:
+ case RES_TYPE_CQ:
+ case RES_TYPE_INTR_CTRL:
+ /* each count is stride bytes long */
+ len = count * VNIC_RES_STRIDE;
+ if (len + bar_offset > bar->len) {
+ printk(KERN_ERR "vNIC BAR0 resource %d "
+ "out-of-bounds, offset 0x%x + "
+ "size 0x%x > bar len 0x%lx\n",
+ type, bar_offset,
+ len,
+ bar->len);
+ return -EINVAL;
+ }
+ break;
+ case RES_TYPE_INTR_PBA_LEGACY:
+ case RES_TYPE_DEVCMD:
+ len = count;
+ break;
+ default:
+ continue;
+ }
+
+ vdev->res[type].count = count;
+ vdev->res[type].vaddr = (char __iomem *)bar->vaddr + bar_offset;
+ }
+
+ return 0;
+}
+
+unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
+ enum vnic_res_type type)
+{
+ return vdev->res[type].count;
+}
+
+void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
+ unsigned int index)
+{
+ if (!vdev->res[type].vaddr)
+ return NULL;
+
+ switch (type) {
+ case RES_TYPE_WQ:
+ case RES_TYPE_RQ:
+ case RES_TYPE_CQ:
+ case RES_TYPE_INTR_CTRL:
+ return (char __iomem *)vdev->res[type].vaddr +
+ index * VNIC_RES_STRIDE;
+ default:
+ return (char __iomem *)vdev->res[type].vaddr;
+ }
+}
+
+unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring,
+ unsigned int desc_count,
+ unsigned int desc_size)
+{
+ /* The base address of the desc rings must be 512 byte aligned.
+ * Descriptor count is aligned to groups of 32 descriptors. A
+ * count of 0 means the maximum 4096 descriptors. Descriptor
+ * size is aligned to 16 bytes.
+ */
+
+ unsigned int count_align = 32;
+ unsigned int desc_align = 16;
+
+ ring->base_align = 512;
+
+ if (desc_count == 0)
+ desc_count = 4096;
+
+ ring->desc_count = ALIGN(desc_count, count_align);
+
+ ring->desc_size = ALIGN(desc_size, desc_align);
+
+ ring->size = ring->desc_count * ring->desc_size;
+ ring->size_unaligned = ring->size + ring->base_align;
+
+ return ring->size_unaligned;
+}
+
+void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring)
+{
+ memset(ring->descs, 0, ring->size);
+}
+
+int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
+ unsigned int desc_count, unsigned int desc_size)
+{
+ vnic_dev_desc_ring_size(ring, desc_count, desc_size);
+
+ ring->descs_unaligned = pci_alloc_consistent(vdev->pdev,
+ ring->size_unaligned,
+ &ring->base_addr_unaligned);
+
+ if (!ring->descs_unaligned) {
+ printk(KERN_ERR
+ "Failed to allocate ring (size=%d), aborting\n",
+ (int)ring->size);
+ return -ENOMEM;
+ }
+
+ ring->base_addr = ALIGN(ring->base_addr_unaligned,
+ ring->base_align);
+ ring->descs = (u8 *)ring->descs_unaligned +
+ (ring->base_addr - ring->base_addr_unaligned);
+
+ vnic_dev_clear_desc_ring(ring);
+
+ ring->desc_avail = ring->desc_count - 1;
+
+ return 0;
+}
+
+void vnic_dev_free_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring)
+{
+ if (ring->descs) {
+ pci_free_consistent(vdev->pdev,
+ ring->size_unaligned,
+ ring->descs_unaligned,
+ ring->base_addr_unaligned);
+ ring->descs = NULL;
+ }
+}
+
+int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
+ u64 *a0, u64 *a1, int wait)
+{
+ struct vnic_devcmd __iomem *devcmd = vdev->devcmd;
+ int delay;
+ u32 status;
+ int dev_cmd_err[] = {
+ /* convert from fw's version of error.h to host's version */
+ 0, /* ERR_SUCCESS */
+ EINVAL, /* ERR_EINVAL */
+ EFAULT, /* ERR_EFAULT */
+ EPERM, /* ERR_EPERM */
+ EBUSY, /* ERR_EBUSY */
+ };
+ int err;
+
+ status = ioread32(&devcmd->status);
+ if (status & STAT_BUSY) {
+ printk(KERN_ERR "Busy devcmd %d\n", _CMD_N(cmd));
+ return -EBUSY;
+ }
+
+ if (_CMD_DIR(cmd) & _CMD_DIR_WRITE) {
+ writeq(*a0, &devcmd->args[0]);
+ writeq(*a1, &devcmd->args[1]);
+ wmb();
+ }
+
+ iowrite32(cmd, &devcmd->cmd);
+
+ if ((_CMD_FLAGS(cmd) & _CMD_FLAGS_NOWAIT))
+ return 0;
+
+ for (delay = 0; delay < wait; delay++) {
+
+ udelay(100);
+
+ status = ioread32(&devcmd->status);
+ if (!(status & STAT_BUSY)) {
+
+ if (status & STAT_ERROR) {
+ err = dev_cmd_err[(int)readq(&devcmd->args[0])];
+ printk(KERN_ERR "Error %d devcmd %d\n",
+ err, _CMD_N(cmd));
+ return -err;
+ }
+
+ if (_CMD_DIR(cmd) & _CMD_DIR_READ) {
+ rmb();
+ *a0 = readq(&devcmd->args[0]);
+ *a1 = readq(&devcmd->args[1]);
+ }
+
+ return 0;
+ }
+ }
+
+ printk(KERN_ERR "Timedout devcmd %d\n", _CMD_N(cmd));
+ return -ETIMEDOUT;
+}
+
+int vnic_dev_fw_info(struct vnic_dev *vdev,
+ struct vnic_devcmd_fw_info **fw_info)
+{
+ u64 a0, a1 = 0;
+ int wait = 1000;
+ int err = 0;
+
+ if (!vdev->fw_info) {
+ vdev->fw_info = pci_alloc_consistent(vdev->pdev,
+ sizeof(struct vnic_devcmd_fw_info),
+ &vdev->fw_info_pa);
+ if (!vdev->fw_info)
+ return -ENOMEM;
+
+ a0 = vdev->fw_info_pa;
+
+ /* only get fw_info once and cache it */
+ err = vnic_dev_cmd(vdev, CMD_MCPU_FW_INFO, &a0, &a1, wait);
+ }
+
+ *fw_info = vdev->fw_info;
+
+ return err;
+}
+
+int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size,
+ void *value)
+{
+ u64 a0, a1;
+ int wait = 1000;
+ int err;
+
+ a0 = offset;
+ a1 = size;
+
+ err = vnic_dev_cmd(vdev, CMD_DEV_SPEC, &a0, &a1, wait);
+
+ switch (size) {
+ case 1:
+ *(u8 *)value = (u8)a0;
+ break;
+ case 2:
+ *(u16 *)value = (u16)a0;
+ break;
+ case 4:
+ *(u32 *)value = (u32)a0;
+ break;
+ case 8:
+ *(u64 *)value = a0;
+ break;
+ default:
+ BUG();
+ break;
+ }
+
+ return err;
+}
+
+int vnic_dev_stats_clear(struct vnic_dev *vdev)
+{
+ u64 a0 = 0, a1 = 0;
+ int wait = 1000;
+ return vnic_dev_cmd(vdev, CMD_STATS_CLEAR, &a0, &a1, wait);
+}
+
+int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats)
+{
+ u64 a0, a1;
+ int wait = 1000;
+
+ if (!vdev->stats) {
+ vdev->stats = pci_alloc_consistent(vdev->pdev,
+ sizeof(struct vnic_stats), &vdev->stats_pa);
+ if (!vdev->stats)
+ return -ENOMEM;
+ }
+
+ *stats = vdev->stats;
+ a0 = vdev->stats_pa;
+ a1 = sizeof(struct vnic_stats);
+
+ return vnic_dev_cmd(vdev, CMD_STATS_DUMP, &a0, &a1, wait);
+}
+
+int vnic_dev_close(struct vnic_dev *vdev)
+{
+ u64 a0 = 0, a1 = 0;
+ int wait = 1000;
+ return vnic_dev_cmd(vdev, CMD_CLOSE, &a0, &a1, wait);
+}
+
+int vnic_dev_enable(struct vnic_dev *vdev)
+{
+ u64 a0 = 0, a1 = 0;
+ int wait = 1000;
+ return vnic_dev_cmd(vdev, CMD_ENABLE, &a0, &a1, wait);
+}
+
+int vnic_dev_disable(struct vnic_dev *vdev)
+{
+ u64 a0 = 0, a1 = 0;
+ int wait = 1000;
+ return vnic_dev_cmd(vdev, CMD_DISABLE, &a0, &a1, wait);
+}
+
+int vnic_dev_open(struct vnic_dev *vdev, int arg)
+{
+ u64 a0 = (u32)arg, a1 = 0;
+ int wait = 1000;
+ return vnic_dev_cmd(vdev, CMD_OPEN, &a0, &a1, wait);
+}
+
+int vnic_dev_open_done(struct vnic_dev *vdev, int *done)
+{
+ u64 a0 = 0, a1 = 0;
+ int wait = 1000;
+ int err;
+
+ *done = 0;
+
+ err = vnic_dev_cmd(vdev, CMD_OPEN_STATUS, &a0, &a1, wait);
+ if (err)
+ return err;
+
+ *done = (a0 == 0);
+
+ return 0;
+}
+
+int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg)
+{
+ u64 a0 = (u32)arg, a1 = 0;
+ int wait = 1000;
+ return vnic_dev_cmd(vdev, CMD_SOFT_RESET, &a0, &a1, wait);
+}
+
+int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done)
+{
+ u64 a0 = 0, a1 = 0;
+ int wait = 1000;
+ int err;
+
+ *done = 0;
+
+ err = vnic_dev_cmd(vdev, CMD_SOFT_RESET_STATUS, &a0, &a1, wait);
+ if (err)
+ return err;
+
+ *done = (a0 == 0);
+
+ return 0;
+}
+
+int vnic_dev_hang_notify(struct vnic_dev *vdev)
+{
+ u64 a0, a1;
+ int wait = 1000;
+ return vnic_dev_cmd(vdev, CMD_HANG_NOTIFY, &a0, &a1, wait);
+}
+
+int vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr)
+{
+ u64 a0, a1;
+ int wait = 1000;
+ int err, i;
+
+ for (i = 0; i < ETH_ALEN; i++)
+ mac_addr[i] = 0;
+
+ err = vnic_dev_cmd(vdev, CMD_MAC_ADDR, &a0, &a1, wait);
+ if (err)
+ return err;
+
+ for (i = 0; i < ETH_ALEN; i++)
+ mac_addr[i] = ((u8 *)&a0)[i];
+
+ return 0;
+}
+
+void vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
+ int broadcast, int promisc, int allmulti)
+{
+ u64 a0, a1 = 0;
+ int wait = 1000;
+ int err;
+
+ a0 = (directed ? CMD_PFILTER_DIRECTED : 0) |
+ (multicast ? CMD_PFILTER_MULTICAST : 0) |
+ (broadcast ? CMD_PFILTER_BROADCAST : 0) |
+ (promisc ? CMD_PFILTER_PROMISCUOUS : 0) |
+ (allmulti ? CMD_PFILTER_ALL_MULTICAST : 0);
+
+ err = vnic_dev_cmd(vdev, CMD_PACKET_FILTER, &a0, &a1, wait);
+ if (err)
+ printk(KERN_ERR "Can't set packet filter\n");
+}
+
+void vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr)
+{
+ u64 a0 = 0, a1 = 0;
+ int wait = 1000;
+ int err;
+ int i;
+
+ for (i = 0; i < ETH_ALEN; i++)
+ ((u8 *)&a0)[i] = addr[i];
+
+ err = vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait);
+ if (err)
+ printk(KERN_ERR
+ "Can't add addr [%02x:%02x:%02x:%02x:%02x:%02x], %d\n",
+ addr[0], addr[1], addr[2], addr[3], addr[4], addr[5],
+ err);
+}
+
+void vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr)
+{
+ u64 a0 = 0, a1 = 0;
+ int wait = 1000;
+ int err;
+ int i;
+
+ for (i = 0; i < ETH_ALEN; i++)
+ ((u8 *)&a0)[i] = addr[i];
+
+ err = vnic_dev_cmd(vdev, CMD_ADDR_DEL, &a0, &a1, wait);
+ if (err)
+ printk(KERN_ERR
+ "Can't del addr [%02x:%02x:%02x:%02x:%02x:%02x], %d\n",
+ addr[0], addr[1], addr[2], addr[3], addr[4], addr[5],
+ err);
+}
+
+int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr)
+{
+ u64 a0, a1;
+ int wait = 1000;
+
+ if (!vdev->notify) {
+ vdev->notify = pci_alloc_consistent(vdev->pdev,
+ sizeof(struct vnic_devcmd_notify),
+ &vdev->notify_pa);
+ if (!vdev->notify)
+ return -ENOMEM;
+ }
+
+ a0 = vdev->notify_pa;
+ a1 = ((u64)intr << 32) & 0x0000ffff00000000ULL;
+ a1 += sizeof(struct vnic_devcmd_notify);
+
+ return vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait);
+}
+
+void vnic_dev_notify_unset(struct vnic_dev *vdev)
+{
+ u64 a0, a1;
+ int wait = 1000;
+
+ a0 = 0; /* paddr = 0 to unset notify buffer */
+ a1 = 0x0000ffff00000000ULL; /* intr num = -1 to unreg for intr */
+ a1 += sizeof(struct vnic_devcmd_notify);
+
+ vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait);
+}
+
+static int vnic_dev_notify_ready(struct vnic_dev *vdev)
+{
+ u32 *words;
+ unsigned int nwords = sizeof(struct vnic_devcmd_notify) / 4;
+ unsigned int i;
+ u32 csum;
+
+ if (!vdev->notify)
+ return 0;
+
+ do {
+ csum = 0;
+ memcpy(&vdev->notify_copy, vdev->notify,
+ sizeof(struct vnic_devcmd_notify));
+ words = (u32 *)&vdev->notify_copy;
+ for (i = 1; i < nwords; i++)
+ csum += words[i];
+ } while (csum != words[0]);
+
+ return 1;
+}
+
+int vnic_dev_init(struct vnic_dev *vdev, int arg)
+{
+ u64 a0 = (u32)arg, a1 = 0;
+ int wait = 1000;
+ return vnic_dev_cmd(vdev, CMD_INIT, &a0, &a1, wait);
+}
+
+int vnic_dev_link_status(struct vnic_dev *vdev)
+{
+ if (vdev->linkstatus)
+ return *vdev->linkstatus;
+
+ if (!vnic_dev_notify_ready(vdev))
+ return 0;
+
+ return vdev->notify_copy.link_state;
+}
+
+u32 vnic_dev_port_speed(struct vnic_dev *vdev)
+{
+ if (!vnic_dev_notify_ready(vdev))
+ return 0;
+
+ return vdev->notify_copy.port_speed;
+}
+
+u32 vnic_dev_msg_lvl(struct vnic_dev *vdev)
+{
+ if (!vnic_dev_notify_ready(vdev))
+ return 0;
+
+ return vdev->notify_copy.msglvl;
+}
+
+u32 vnic_dev_mtu(struct vnic_dev *vdev)
+{
+ if (!vnic_dev_notify_ready(vdev))
+ return 0;
+
+ return vdev->notify_copy.mtu;
+}
+
+u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev)
+{
+ if (!vnic_dev_notify_ready(vdev))
+ return 0;
+
+ return vdev->notify_copy.link_down_cnt;
+}
+
+void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
+ enum vnic_dev_intr_mode intr_mode)
+{
+ vdev->intr_mode = intr_mode;
+}
+
+enum vnic_dev_intr_mode vnic_dev_get_intr_mode(
+ struct vnic_dev *vdev)
+{
+ return vdev->intr_mode;
+}
+
+void vnic_dev_unregister(struct vnic_dev *vdev)
+{
+ if (vdev) {
+ if (vdev->notify)
+ pci_free_consistent(vdev->pdev,
+ sizeof(struct vnic_devcmd_notify),
+ vdev->notify,
+ vdev->notify_pa);
+ if (vdev->linkstatus)
+ pci_free_consistent(vdev->pdev,
+ sizeof(u32),
+ vdev->linkstatus,
+ vdev->linkstatus_pa);
+ if (vdev->stats)
+ pci_free_consistent(vdev->pdev,
+ sizeof(struct vnic_dev),
+ vdev->stats, vdev->stats_pa);
+ if (vdev->fw_info)
+ pci_free_consistent(vdev->pdev,
+ sizeof(struct vnic_devcmd_fw_info),
+ vdev->fw_info, vdev->fw_info_pa);
+ kfree(vdev);
+ }
+}
+
+struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
+ void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar)
+{
+ if (!vdev) {
+ vdev = kzalloc(sizeof(struct vnic_dev), GFP_KERNEL);
+ if (!vdev)
+ return NULL;
+ }
+
+ vdev->priv = priv;
+ vdev->pdev = pdev;
+
+ if (vnic_dev_discover_res(vdev, bar))
+ goto err_out;
+
+ vdev->devcmd = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD, 0);
+ if (!vdev->devcmd)
+ goto err_out;
+
+ return vdev;
+
+err_out:
+ vnic_dev_unregister(vdev);
+ return NULL;
+}
diff --git a/drivers/scsi/fnic/vnic_dev.h b/drivers/scsi/fnic/vnic_dev.h
new file mode 100644
index 000000000000..f9935a8a5a09
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_dev.h
@@ -0,0 +1,161 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _VNIC_DEV_H_
+#define _VNIC_DEV_H_
+
+#include "vnic_resource.h"
+#include "vnic_devcmd.h"
+
+/*
+ * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
+ * Driver) when both are built with CONFIG options =y
+ */
+#define vnic_dev_priv fnic_dev_priv
+#define vnic_dev_get_res_count fnic_dev_get_res_count
+#define vnic_dev_get_res fnic_dev_get_res
+#define vnic_dev_desc_ring_size fnic_dev_desc_ring_siz
+#define vnic_dev_clear_desc_ring fnic_dev_clear_desc_ring
+#define vnic_dev_alloc_desc_ring fnic_dev_alloc_desc_ring
+#define vnic_dev_free_desc_ring fnic_dev_free_desc_ring
+#define vnic_dev_cmd fnic_dev_cmd
+#define vnic_dev_fw_info fnic_dev_fw_info
+#define vnic_dev_spec fnic_dev_spec
+#define vnic_dev_stats_clear fnic_dev_stats_clear
+#define vnic_dev_stats_dump fnic_dev_stats_dump
+#define vnic_dev_hang_notify fnic_dev_hang_notify
+#define vnic_dev_packet_filter fnic_dev_packet_filter
+#define vnic_dev_add_addr fnic_dev_add_addr
+#define vnic_dev_del_addr fnic_dev_del_addr
+#define vnic_dev_mac_addr fnic_dev_mac_addr
+#define vnic_dev_notify_set fnic_dev_notify_set
+#define vnic_dev_notify_unset fnic_dev_notify_unset
+#define vnic_dev_link_status fnic_dev_link_status
+#define vnic_dev_port_speed fnic_dev_port_speed
+#define vnic_dev_msg_lvl fnic_dev_msg_lvl
+#define vnic_dev_mtu fnic_dev_mtu
+#define vnic_dev_link_down_cnt fnic_dev_link_down_cnt
+#define vnic_dev_close fnic_dev_close
+#define vnic_dev_enable fnic_dev_enable
+#define vnic_dev_disable fnic_dev_disable
+#define vnic_dev_open fnic_dev_open
+#define vnic_dev_open_done fnic_dev_open_done
+#define vnic_dev_init fnic_dev_init
+#define vnic_dev_soft_reset fnic_dev_soft_reset
+#define vnic_dev_soft_reset_done fnic_dev_soft_reset_done
+#define vnic_dev_set_intr_mode fnic_dev_set_intr_mode
+#define vnic_dev_get_intr_mode fnic_dev_get_intr_mode
+#define vnic_dev_unregister fnic_dev_unregister
+#define vnic_dev_register fnic_dev_register
+
+#ifndef VNIC_PADDR_TARGET
+#define VNIC_PADDR_TARGET 0x0000000000000000ULL
+#endif
+
+#ifndef readq
+static inline u64 readq(void __iomem *reg)
+{
+ return ((u64)readl(reg + 0x4UL) << 32) | (u64)readl(reg);
+}
+
+static inline void writeq(u64 val, void __iomem *reg)
+{
+ writel(val & 0xffffffff, reg);
+ writel(val >> 32, reg + 0x4UL);
+}
+#endif
+
+enum vnic_dev_intr_mode {
+ VNIC_DEV_INTR_MODE_UNKNOWN,
+ VNIC_DEV_INTR_MODE_INTX,
+ VNIC_DEV_INTR_MODE_MSI,
+ VNIC_DEV_INTR_MODE_MSIX,
+};
+
+struct vnic_dev_bar {
+ void __iomem *vaddr;
+ dma_addr_t bus_addr;
+ unsigned long len;
+};
+
+struct vnic_dev_ring {
+ void *descs;
+ size_t size;
+ dma_addr_t base_addr;
+ size_t base_align;
+ void *descs_unaligned;
+ size_t size_unaligned;
+ dma_addr_t base_addr_unaligned;
+ unsigned int desc_size;
+ unsigned int desc_count;
+ unsigned int desc_avail;
+};
+
+struct vnic_dev;
+struct vnic_stats;
+
+void *vnic_dev_priv(struct vnic_dev *vdev);
+unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
+ enum vnic_res_type type);
+void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
+ unsigned int index);
+unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring,
+ unsigned int desc_count,
+ unsigned int desc_size);
+void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
+int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
+ unsigned int desc_count, unsigned int desc_size);
+void vnic_dev_free_desc_ring(struct vnic_dev *vdev,
+ struct vnic_dev_ring *ring);
+int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
+ u64 *a0, u64 *a1, int wait);
+int vnic_dev_fw_info(struct vnic_dev *vdev,
+ struct vnic_devcmd_fw_info **fw_info);
+int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset,
+ unsigned int size, void *value);
+int vnic_dev_stats_clear(struct vnic_dev *vdev);
+int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
+int vnic_dev_hang_notify(struct vnic_dev *vdev);
+void vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
+ int broadcast, int promisc, int allmulti);
+void vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr);
+void vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr);
+int vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
+int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
+void vnic_dev_notify_unset(struct vnic_dev *vdev);
+int vnic_dev_link_status(struct vnic_dev *vdev);
+u32 vnic_dev_port_speed(struct vnic_dev *vdev);
+u32 vnic_dev_msg_lvl(struct vnic_dev *vdev);
+u32 vnic_dev_mtu(struct vnic_dev *vdev);
+u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev);
+int vnic_dev_close(struct vnic_dev *vdev);
+int vnic_dev_enable(struct vnic_dev *vdev);
+int vnic_dev_disable(struct vnic_dev *vdev);
+int vnic_dev_open(struct vnic_dev *vdev, int arg);
+int vnic_dev_open_done(struct vnic_dev *vdev, int *done);
+int vnic_dev_init(struct vnic_dev *vdev, int arg);
+int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg);
+int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done);
+void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
+ enum vnic_dev_intr_mode intr_mode);
+enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev);
+void vnic_dev_unregister(struct vnic_dev *vdev);
+struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
+ void *priv, struct pci_dev *pdev,
+ struct vnic_dev_bar *bar);
+
+#endif /* _VNIC_DEV_H_ */
diff --git a/drivers/scsi/fnic/vnic_devcmd.h b/drivers/scsi/fnic/vnic_devcmd.h
new file mode 100644
index 000000000000..d62b9061bf12
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_devcmd.h
@@ -0,0 +1,281 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _VNIC_DEVCMD_H_
+#define _VNIC_DEVCMD_H_
+
+#define _CMD_NBITS 14
+#define _CMD_VTYPEBITS 10
+#define _CMD_FLAGSBITS 6
+#define _CMD_DIRBITS 2
+
+#define _CMD_NMASK ((1 << _CMD_NBITS)-1)
+#define _CMD_VTYPEMASK ((1 << _CMD_VTYPEBITS)-1)
+#define _CMD_FLAGSMASK ((1 << _CMD_FLAGSBITS)-1)
+#define _CMD_DIRMASK ((1 << _CMD_DIRBITS)-1)
+
+#define _CMD_NSHIFT 0
+#define _CMD_VTYPESHIFT (_CMD_NSHIFT+_CMD_NBITS)
+#define _CMD_FLAGSSHIFT (_CMD_VTYPESHIFT+_CMD_VTYPEBITS)
+#define _CMD_DIRSHIFT (_CMD_FLAGSSHIFT+_CMD_FLAGSBITS)
+
+/*
+ * Direction bits (from host perspective).
+ */
+#define _CMD_DIR_NONE 0U
+#define _CMD_DIR_WRITE 1U
+#define _CMD_DIR_READ 2U
+#define _CMD_DIR_RW (_CMD_DIR_WRITE | _CMD_DIR_READ)
+
+/*
+ * Flag bits.
+ */
+#define _CMD_FLAGS_NONE 0U
+#define _CMD_FLAGS_NOWAIT 1U
+
+/*
+ * vNIC type bits.
+ */
+#define _CMD_VTYPE_NONE 0U
+#define _CMD_VTYPE_ENET 1U
+#define _CMD_VTYPE_FC 2U
+#define _CMD_VTYPE_SCSI 4U
+#define _CMD_VTYPE_ALL (_CMD_VTYPE_ENET | _CMD_VTYPE_FC | _CMD_VTYPE_SCSI)
+
+/*
+ * Used to create cmds..
+*/
+#define _CMDCF(dir, flags, vtype, nr) \
+ (((dir) << _CMD_DIRSHIFT) | \
+ ((flags) << _CMD_FLAGSSHIFT) | \
+ ((vtype) << _CMD_VTYPESHIFT) | \
+ ((nr) << _CMD_NSHIFT))
+#define _CMDC(dir, vtype, nr) _CMDCF(dir, 0, vtype, nr)
+#define _CMDCNW(dir, vtype, nr) _CMDCF(dir, _CMD_FLAGS_NOWAIT, vtype, nr)
+
+/*
+ * Used to decode cmds..
+*/
+#define _CMD_DIR(cmd) (((cmd) >> _CMD_DIRSHIFT) & _CMD_DIRMASK)
+#define _CMD_FLAGS(cmd) (((cmd) >> _CMD_FLAGSSHIFT) & _CMD_FLAGSMASK)
+#define _CMD_VTYPE(cmd) (((cmd) >> _CMD_VTYPESHIFT) & _CMD_VTYPEMASK)
+#define _CMD_N(cmd) (((cmd) >> _CMD_NSHIFT) & _CMD_NMASK)
+
+enum vnic_devcmd_cmd {
+ CMD_NONE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_NONE, 0),
+
+ /* mcpu fw info in mem: (u64)a0=paddr to struct vnic_devcmd_fw_info */
+ CMD_MCPU_FW_INFO = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 1),
+
+ /* dev-specific block member:
+ * in: (u16)a0=offset,(u8)a1=size
+ * out: a0=value */
+ CMD_DEV_SPEC = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 2),
+
+ /* stats clear */
+ CMD_STATS_CLEAR = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 3),
+
+ /* stats dump in mem: (u64)a0=paddr to stats area,
+ * (u16)a1=sizeof stats area */
+ CMD_STATS_DUMP = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 4),
+
+ /* set Rx packet filter: (u32)a0=filters (see CMD_PFILTER_*) */
+ CMD_PACKET_FILTER = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 7),
+
+ /* hang detection notification */
+ CMD_HANG_NOTIFY = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 8),
+
+ /* MAC address in (u48)a0 */
+ CMD_MAC_ADDR = _CMDC(_CMD_DIR_READ,
+ _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 9),
+
+ /* disable/enable promisc mode: (u8)a0=0/1 */
+/***** XXX DEPRECATED *****/
+ CMD_PROMISC_MODE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 10),
+
+ /* disable/enable all-multi mode: (u8)a0=0/1 */
+/***** XXX DEPRECATED *****/
+ CMD_ALLMULTI_MODE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 11),
+
+ /* add addr from (u48)a0 */
+ CMD_ADDR_ADD = _CMDCNW(_CMD_DIR_WRITE,
+ _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 12),
+
+ /* del addr from (u48)a0 */
+ CMD_ADDR_DEL = _CMDCNW(_CMD_DIR_WRITE,
+ _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 13),
+
+ /* add VLAN id in (u16)a0 */
+ CMD_VLAN_ADD = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 14),
+
+ /* del VLAN id in (u16)a0 */
+ CMD_VLAN_DEL = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 15),
+
+ /* nic_cfg in (u32)a0 */
+ CMD_NIC_CFG = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16),
+
+ /* union vnic_rss_key in mem: (u64)a0=paddr, (u16)a1=len */
+ CMD_RSS_KEY = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 17),
+
+ /* union vnic_rss_cpu in mem: (u64)a0=paddr, (u16)a1=len */
+ CMD_RSS_CPU = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 18),
+
+ /* initiate softreset */
+ CMD_SOFT_RESET = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 19),
+
+ /* softreset status:
+ * out: a0=0 reset complete, a0=1 reset in progress */
+ CMD_SOFT_RESET_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 20),
+
+ /* set struct vnic_devcmd_notify buffer in mem:
+ * in:
+ * (u64)a0=paddr to notify (set paddr=0 to unset)
+ * (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify)
+ * (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr)
+ * out:
+ * (u32)a1 = effective size
+ */
+ CMD_NOTIFY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 21),
+
+ /* UNDI API: (u64)a0=paddr to s_PXENV_UNDI_ struct,
+ * (u8)a1=PXENV_UNDI_xxx */
+ CMD_UNDI = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 22),
+
+ /* initiate open sequence (u32)a0=flags (see CMD_OPENF_*) */
+ CMD_OPEN = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 23),
+
+ /* open status:
+ * out: a0=0 open complete, a0=1 open in progress */
+ CMD_OPEN_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 24),
+
+ /* close vnic */
+ CMD_CLOSE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 25),
+
+ /* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */
+ CMD_INIT = _CMDCNW(_CMD_DIR_READ, _CMD_VTYPE_ALL, 26),
+
+ /* variant of CMD_INIT, with provisioning info
+ * (u64)a0=paddr of vnic_devcmd_provinfo
+ * (u32)a1=sizeof provision info */
+ CMD_INIT_PROV_INFO = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 27),
+
+ /* enable virtual link */
+ CMD_ENABLE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28),
+
+ /* disable virtual link */
+ CMD_DISABLE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 29),
+
+ /* stats dump all vnics on uplink in mem: (u64)a0=paddr (u32)a1=uif */
+ CMD_STATS_DUMP_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 30),
+
+ /* init status:
+ * out: a0=0 init complete, a0=1 init in progress
+ * if a0=0, a1=errno */
+ CMD_INIT_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 31),
+
+ /* INT13 API: (u64)a0=paddr to vnic_int13_params struct
+ * (u8)a1=INT13_CMD_xxx */
+ CMD_INT13 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_FC, 32),
+
+ /* logical uplink enable/disable: (u64)a0: 0/1=disable/enable */
+ CMD_LOGICAL_UPLINK = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 33),
+
+ /* undo initialize of virtual link */
+ CMD_DEINIT = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 34),
+};
+
+/* flags for CMD_OPEN */
+#define CMD_OPENF_OPROM 0x1 /* open coming from option rom */
+
+/* flags for CMD_INIT */
+#define CMD_INITF_DEFAULT_MAC 0x1 /* init with default mac addr */
+
+/* flags for CMD_PACKET_FILTER */
+#define CMD_PFILTER_DIRECTED 0x01
+#define CMD_PFILTER_MULTICAST 0x02
+#define CMD_PFILTER_BROADCAST 0x04
+#define CMD_PFILTER_PROMISCUOUS 0x08
+#define CMD_PFILTER_ALL_MULTICAST 0x10
+
+enum vnic_devcmd_status {
+ STAT_NONE = 0,
+ STAT_BUSY = 1 << 0, /* cmd in progress */
+ STAT_ERROR = 1 << 1, /* last cmd caused error (code in a0) */
+};
+
+enum vnic_devcmd_error {
+ ERR_SUCCESS = 0,
+ ERR_EINVAL = 1,
+ ERR_EFAULT = 2,
+ ERR_EPERM = 3,
+ ERR_EBUSY = 4,
+ ERR_ECMDUNKNOWN = 5,
+ ERR_EBADSTATE = 6,
+ ERR_ENOMEM = 7,
+ ERR_ETIMEDOUT = 8,
+ ERR_ELINKDOWN = 9,
+};
+
+struct vnic_devcmd_fw_info {
+ char fw_version[32];
+ char fw_build[32];
+ char hw_version[32];
+ char hw_serial_number[32];
+};
+
+struct vnic_devcmd_notify {
+ u32 csum; /* checksum over following words */
+
+ u32 link_state; /* link up == 1 */
+ u32 port_speed; /* effective port speed (rate limit) */
+ u32 mtu; /* MTU */
+ u32 msglvl; /* requested driver msg lvl */
+ u32 uif; /* uplink interface */
+ u32 status; /* status bits (see VNIC_STF_*) */
+ u32 error; /* error code (see ERR_*) for first ERR */
+ u32 link_down_cnt; /* running count of link down transitions */
+};
+#define VNIC_STF_FATAL_ERR 0x0001 /* fatal fw error */
+
+struct vnic_devcmd_provinfo {
+ u8 oui[3];
+ u8 type;
+ u8 data[0];
+};
+
+/*
+ * Writing cmd register causes STAT_BUSY to get set in status register.
+ * When cmd completes, STAT_BUSY will be cleared.
+ *
+ * If cmd completed successfully STAT_ERROR will be clear
+ * and args registers contain cmd-specific results.
+ *
+ * If cmd error, STAT_ERROR will be set and args[0] contains error code.
+ *
+ * status register is read-only. While STAT_BUSY is set,
+ * all other register contents are read-only.
+ */
+
+/* Make sizeof(vnic_devcmd) a power-of-2 for I/O BAR. */
+#define VNIC_DEVCMD_NARGS 15
+struct vnic_devcmd {
+ u32 status; /* RO */
+ u32 cmd; /* RW */
+ u64 args[VNIC_DEVCMD_NARGS]; /* RW cmd args (little-endian) */
+};
+
+#endif /* _VNIC_DEVCMD_H_ */
diff --git a/drivers/scsi/fnic/vnic_intr.c b/drivers/scsi/fnic/vnic_intr.c
new file mode 100644
index 000000000000..4f4dc8793d23
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_intr.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include "vnic_dev.h"
+#include "vnic_intr.h"
+
+void vnic_intr_free(struct vnic_intr *intr)
+{
+ intr->ctrl = NULL;
+}
+
+int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr,
+ unsigned int index)
+{
+ intr->index = index;
+ intr->vdev = vdev;
+
+ intr->ctrl = vnic_dev_get_res(vdev, RES_TYPE_INTR_CTRL, index);
+ if (!intr->ctrl) {
+ printk(KERN_ERR "Failed to hook INTR[%d].ctrl resource\n",
+ index);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+void vnic_intr_init(struct vnic_intr *intr, unsigned int coalescing_timer,
+ unsigned int coalescing_type, unsigned int mask_on_assertion)
+{
+ iowrite32(coalescing_timer, &intr->ctrl->coalescing_timer);
+ iowrite32(coalescing_type, &intr->ctrl->coalescing_type);
+ iowrite32(mask_on_assertion, &intr->ctrl->mask_on_assertion);
+ iowrite32(0, &intr->ctrl->int_credits);
+}
+
+void vnic_intr_clean(struct vnic_intr *intr)
+{
+ iowrite32(0, &intr->ctrl->int_credits);
+}
diff --git a/drivers/scsi/fnic/vnic_intr.h b/drivers/scsi/fnic/vnic_intr.h
new file mode 100644
index 000000000000..d5fb40e7c98e
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_intr.h
@@ -0,0 +1,118 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _VNIC_INTR_H_
+#define _VNIC_INTR_H_
+
+#include <linux/pci.h>
+#include "vnic_dev.h"
+
+/*
+ * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
+ * Driver) when both are built with CONFIG options =y
+ */
+#define vnic_intr_unmask fnic_intr_unmask
+#define vnic_intr_mask fnic_intr_mask
+#define vnic_intr_return_credits fnic_intr_return_credits
+#define vnic_intr_credits fnic_intr_credits
+#define vnic_intr_return_all_credits fnic_intr_return_all_credits
+#define vnic_intr_legacy_pba fnic_intr_legacy_pba
+#define vnic_intr_free fnic_intr_free
+#define vnic_intr_alloc fnic_intr_alloc
+#define vnic_intr_init fnic_intr_init
+#define vnic_intr_clean fnic_intr_clean
+
+#define VNIC_INTR_TIMER_MAX 0xffff
+
+#define VNIC_INTR_TIMER_TYPE_ABS 0
+#define VNIC_INTR_TIMER_TYPE_QUIET 1
+
+/* Interrupt control */
+struct vnic_intr_ctrl {
+ u32 coalescing_timer; /* 0x00 */
+ u32 pad0;
+ u32 coalescing_value; /* 0x08 */
+ u32 pad1;
+ u32 coalescing_type; /* 0x10 */
+ u32 pad2;
+ u32 mask_on_assertion; /* 0x18 */
+ u32 pad3;
+ u32 mask; /* 0x20 */
+ u32 pad4;
+ u32 int_credits; /* 0x28 */
+ u32 pad5;
+ u32 int_credit_return; /* 0x30 */
+ u32 pad6;
+};
+
+struct vnic_intr {
+ unsigned int index;
+ struct vnic_dev *vdev;
+ struct vnic_intr_ctrl __iomem *ctrl; /* memory-mapped */
+};
+
+static inline void vnic_intr_unmask(struct vnic_intr *intr)
+{
+ iowrite32(0, &intr->ctrl->mask);
+}
+
+static inline void vnic_intr_mask(struct vnic_intr *intr)
+{
+ iowrite32(1, &intr->ctrl->mask);
+}
+
+static inline void vnic_intr_return_credits(struct vnic_intr *intr,
+ unsigned int credits, int unmask, int reset_timer)
+{
+#define VNIC_INTR_UNMASK_SHIFT 16
+#define VNIC_INTR_RESET_TIMER_SHIFT 17
+
+ u32 int_credit_return = (credits & 0xffff) |
+ (unmask ? (1 << VNIC_INTR_UNMASK_SHIFT) : 0) |
+ (reset_timer ? (1 << VNIC_INTR_RESET_TIMER_SHIFT) : 0);
+
+ iowrite32(int_credit_return, &intr->ctrl->int_credit_return);
+}
+
+static inline unsigned int vnic_intr_credits(struct vnic_intr *intr)
+{
+ return ioread32(&intr->ctrl->int_credits);
+}
+
+static inline void vnic_intr_return_all_credits(struct vnic_intr *intr)
+{
+ unsigned int credits = vnic_intr_credits(intr);
+ int unmask = 1;
+ int reset_timer = 1;
+
+ vnic_intr_return_credits(intr, credits, unmask, reset_timer);
+}
+
+static inline u32 vnic_intr_legacy_pba(u32 __iomem *legacy_pba)
+{
+ /* read PBA without clearing */
+ return ioread32(legacy_pba);
+}
+
+void vnic_intr_free(struct vnic_intr *intr);
+int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr,
+ unsigned int index);
+void vnic_intr_init(struct vnic_intr *intr, unsigned int coalescing_timer,
+ unsigned int coalescing_type, unsigned int mask_on_assertion);
+void vnic_intr_clean(struct vnic_intr *intr);
+
+#endif /* _VNIC_INTR_H_ */
diff --git a/drivers/scsi/fnic/vnic_nic.h b/drivers/scsi/fnic/vnic_nic.h
new file mode 100644
index 000000000000..f15b83eeaced
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_nic.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _VNIC_NIC_H_
+#define _VNIC_NIC_H_
+
+/*
+ * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
+ * Driver) when both are built with CONFIG options =y
+ */
+#define vnic_set_nic_cfg fnic_set_nic_cfg
+
+#define NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD 0xffUL
+#define NIC_CFG_RSS_DEFAULT_CPU_SHIFT 0
+#define NIC_CFG_RSS_HASH_TYPE (0xffUL << 8)
+#define NIC_CFG_RSS_HASH_TYPE_MASK_FIELD 0xffUL
+#define NIC_CFG_RSS_HASH_TYPE_SHIFT 8
+#define NIC_CFG_RSS_HASH_BITS (7UL << 16)
+#define NIC_CFG_RSS_HASH_BITS_MASK_FIELD 7UL
+#define NIC_CFG_RSS_HASH_BITS_SHIFT 16
+#define NIC_CFG_RSS_BASE_CPU (7UL << 19)
+#define NIC_CFG_RSS_BASE_CPU_MASK_FIELD 7UL
+#define NIC_CFG_RSS_BASE_CPU_SHIFT 19
+#define NIC_CFG_RSS_ENABLE (1UL << 22)
+#define NIC_CFG_RSS_ENABLE_MASK_FIELD 1UL
+#define NIC_CFG_RSS_ENABLE_SHIFT 22
+#define NIC_CFG_TSO_IPID_SPLIT_EN (1UL << 23)
+#define NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD 1UL
+#define NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT 23
+#define NIC_CFG_IG_VLAN_STRIP_EN (1UL << 24)
+#define NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD 1UL
+#define NIC_CFG_IG_VLAN_STRIP_EN_SHIFT 24
+
+static inline void vnic_set_nic_cfg(u32 *nic_cfg,
+ u8 rss_default_cpu, u8 rss_hash_type,
+ u8 rss_hash_bits, u8 rss_base_cpu,
+ u8 rss_enable, u8 tso_ipid_split_en,
+ u8 ig_vlan_strip_en)
+{
+ *nic_cfg = (rss_default_cpu & NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD) |
+ ((rss_hash_type & NIC_CFG_RSS_HASH_TYPE_MASK_FIELD)
+ << NIC_CFG_RSS_HASH_TYPE_SHIFT) |
+ ((rss_hash_bits & NIC_CFG_RSS_HASH_BITS_MASK_FIELD)
+ << NIC_CFG_RSS_HASH_BITS_SHIFT) |
+ ((rss_base_cpu & NIC_CFG_RSS_BASE_CPU_MASK_FIELD)
+ << NIC_CFG_RSS_BASE_CPU_SHIFT) |
+ ((rss_enable & NIC_CFG_RSS_ENABLE_MASK_FIELD)
+ << NIC_CFG_RSS_ENABLE_SHIFT) |
+ ((tso_ipid_split_en & NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD)
+ << NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT) |
+ ((ig_vlan_strip_en & NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD)
+ << NIC_CFG_IG_VLAN_STRIP_EN_SHIFT);
+}
+
+#endif /* _VNIC_NIC_H_ */
diff --git a/drivers/scsi/fnic/vnic_resource.h b/drivers/scsi/fnic/vnic_resource.h
new file mode 100644
index 000000000000..2d842f79d41a
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_resource.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _VNIC_RESOURCE_H_
+#define _VNIC_RESOURCE_H_
+
+#define VNIC_RES_MAGIC 0x766E6963L /* 'vnic' */
+#define VNIC_RES_VERSION 0x00000000L
+
+/* vNIC resource types */
+enum vnic_res_type {
+ RES_TYPE_EOL, /* End-of-list */
+ RES_TYPE_WQ, /* Work queues */
+ RES_TYPE_RQ, /* Receive queues */
+ RES_TYPE_CQ, /* Completion queues */
+ RES_TYPE_RSVD1,
+ RES_TYPE_NIC_CFG, /* Enet NIC config registers */
+ RES_TYPE_RSVD2,
+ RES_TYPE_RSVD3,
+ RES_TYPE_RSVD4,
+ RES_TYPE_RSVD5,
+ RES_TYPE_INTR_CTRL, /* Interrupt ctrl table */
+ RES_TYPE_INTR_TABLE, /* MSI/MSI-X Interrupt table */
+ RES_TYPE_INTR_PBA, /* MSI/MSI-X PBA table */
+ RES_TYPE_INTR_PBA_LEGACY, /* Legacy intr status */
+ RES_TYPE_RSVD6,
+ RES_TYPE_RSVD7,
+ RES_TYPE_DEVCMD, /* Device command region */
+ RES_TYPE_PASS_THRU_PAGE, /* Pass-thru page */
+
+ RES_TYPE_MAX, /* Count of resource types */
+};
+
+struct vnic_resource_header {
+ u32 magic;
+ u32 version;
+};
+
+struct vnic_resource {
+ u8 type;
+ u8 bar;
+ u8 pad[2];
+ u32 bar_offset;
+ u32 count;
+};
+
+#endif /* _VNIC_RESOURCE_H_ */
diff --git a/drivers/scsi/fnic/vnic_rq.c b/drivers/scsi/fnic/vnic_rq.c
new file mode 100644
index 000000000000..bedd0d285630
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_rq.c
@@ -0,0 +1,196 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include "vnic_dev.h"
+#include "vnic_rq.h"
+
+static int vnic_rq_alloc_bufs(struct vnic_rq *rq)
+{
+ struct vnic_rq_buf *buf;
+ struct vnic_dev *vdev;
+ unsigned int i, j, count = rq->ring.desc_count;
+ unsigned int blks = VNIC_RQ_BUF_BLKS_NEEDED(count);
+
+ vdev = rq->vdev;
+
+ for (i = 0; i < blks; i++) {
+ rq->bufs[i] = kzalloc(VNIC_RQ_BUF_BLK_SZ, GFP_ATOMIC);
+ if (!rq->bufs[i]) {
+ printk(KERN_ERR "Failed to alloc rq_bufs\n");
+ return -ENOMEM;
+ }
+ }
+
+ for (i = 0; i < blks; i++) {
+ buf = rq->bufs[i];
+ for (j = 0; j < VNIC_RQ_BUF_BLK_ENTRIES; j++) {
+ buf->index = i * VNIC_RQ_BUF_BLK_ENTRIES + j;
+ buf->desc = (u8 *)rq->ring.descs +
+ rq->ring.desc_size * buf->index;
+ if (buf->index + 1 == count) {
+ buf->next = rq->bufs[0];
+ break;
+ } else if (j + 1 == VNIC_RQ_BUF_BLK_ENTRIES) {
+ buf->next = rq->bufs[i + 1];
+ } else {
+ buf->next = buf + 1;
+ buf++;
+ }
+ }
+ }
+
+ rq->to_use = rq->to_clean = rq->bufs[0];
+ rq->buf_index = 0;
+
+ return 0;
+}
+
+void vnic_rq_free(struct vnic_rq *rq)
+{
+ struct vnic_dev *vdev;
+ unsigned int i;
+
+ vdev = rq->vdev;
+
+ vnic_dev_free_desc_ring(vdev, &rq->ring);
+
+ for (i = 0; i < VNIC_RQ_BUF_BLKS_MAX; i++) {
+ kfree(rq->bufs[i]);
+ rq->bufs[i] = NULL;
+ }
+
+ rq->ctrl = NULL;
+}
+
+int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index,
+ unsigned int desc_count, unsigned int desc_size)
+{
+ int err;
+
+ rq->index = index;
+ rq->vdev = vdev;
+
+ rq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_RQ, index);
+ if (!rq->ctrl) {
+ printk(KERN_ERR "Failed to hook RQ[%d] resource\n", index);
+ return -EINVAL;
+ }
+
+ vnic_rq_disable(rq);
+
+ err = vnic_dev_alloc_desc_ring(vdev, &rq->ring, desc_count, desc_size);
+ if (err)
+ return err;
+
+ err = vnic_rq_alloc_bufs(rq);
+ if (err) {
+ vnic_rq_free(rq);
+ return err;
+ }
+
+ return 0;
+}
+
+void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index,
+ unsigned int error_interrupt_enable,
+ unsigned int error_interrupt_offset)
+{
+ u64 paddr;
+ u32 fetch_index;
+
+ paddr = (u64)rq->ring.base_addr | VNIC_PADDR_TARGET;
+ writeq(paddr, &rq->ctrl->ring_base);
+ iowrite32(rq->ring.desc_count, &rq->ctrl->ring_size);
+ iowrite32(cq_index, &rq->ctrl->cq_index);
+ iowrite32(error_interrupt_enable, &rq->ctrl->error_interrupt_enable);
+ iowrite32(error_interrupt_offset, &rq->ctrl->error_interrupt_offset);
+ iowrite32(0, &rq->ctrl->dropped_packet_count);
+ iowrite32(0, &rq->ctrl->error_status);
+
+ /* Use current fetch_index as the ring starting point */
+ fetch_index = ioread32(&rq->ctrl->fetch_index);
+ rq->to_use = rq->to_clean =
+ &rq->bufs[fetch_index / VNIC_RQ_BUF_BLK_ENTRIES]
+ [fetch_index % VNIC_RQ_BUF_BLK_ENTRIES];
+ iowrite32(fetch_index, &rq->ctrl->posted_index);
+
+ rq->buf_index = 0;
+}
+
+unsigned int vnic_rq_error_status(struct vnic_rq *rq)
+{
+ return ioread32(&rq->ctrl->error_status);
+}
+
+void vnic_rq_enable(struct vnic_rq *rq)
+{
+ iowrite32(1, &rq->ctrl->enable);
+}
+
+int vnic_rq_disable(struct vnic_rq *rq)
+{
+ unsigned int wait;
+
+ iowrite32(0, &rq->ctrl->enable);
+
+ /* Wait for HW to ACK disable request */
+ for (wait = 0; wait < 100; wait++) {
+ if (!(ioread32(&rq->ctrl->running)))
+ return 0;
+ udelay(1);
+ }
+
+ printk(KERN_ERR "Failed to disable RQ[%d]\n", rq->index);
+
+ return -ETIMEDOUT;
+}
+
+void vnic_rq_clean(struct vnic_rq *rq,
+ void (*buf_clean)(struct vnic_rq *rq, struct vnic_rq_buf *buf))
+{
+ struct vnic_rq_buf *buf;
+ u32 fetch_index;
+
+ BUG_ON(ioread32(&rq->ctrl->enable));
+
+ buf = rq->to_clean;
+
+ while (vnic_rq_desc_used(rq) > 0) {
+
+ (*buf_clean)(rq, buf);
+
+ buf = rq->to_clean = buf->next;
+ rq->ring.desc_avail++;
+ }
+
+ /* Use current fetch_index as the ring starting point */
+ fetch_index = ioread32(&rq->ctrl->fetch_index);
+ rq->to_use = rq->to_clean =
+ &rq->bufs[fetch_index / VNIC_RQ_BUF_BLK_ENTRIES]
+ [fetch_index % VNIC_RQ_BUF_BLK_ENTRIES];
+ iowrite32(fetch_index, &rq->ctrl->posted_index);
+
+ rq->buf_index = 0;
+
+ vnic_dev_clear_desc_ring(&rq->ring);
+}
+
diff --git a/drivers/scsi/fnic/vnic_rq.h b/drivers/scsi/fnic/vnic_rq.h
new file mode 100644
index 000000000000..aebdfbd6ad3c
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_rq.h
@@ -0,0 +1,235 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _VNIC_RQ_H_
+#define _VNIC_RQ_H_
+
+#include <linux/pci.h>
+#include "vnic_dev.h"
+#include "vnic_cq.h"
+
+/*
+ * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
+ * Driver) when both are built with CONFIG options =y
+ */
+#define vnic_rq_desc_avail fnic_rq_desc_avail
+#define vnic_rq_desc_used fnic_rq_desc_used
+#define vnic_rq_next_desc fnic_rq_next_desc
+#define vnic_rq_next_index fnic_rq_next_index
+#define vnic_rq_next_buf_index fnic_rq_next_buf_index
+#define vnic_rq_post fnic_rq_post
+#define vnic_rq_posting_soon fnic_rq_posting_soon
+#define vnic_rq_return_descs fnic_rq_return_descs
+#define vnic_rq_service fnic_rq_service
+#define vnic_rq_fill fnic_rq_fill
+#define vnic_rq_free fnic_rq_free
+#define vnic_rq_alloc fnic_rq_alloc
+#define vnic_rq_init fnic_rq_init
+#define vnic_rq_error_status fnic_rq_error_status
+#define vnic_rq_enable fnic_rq_enable
+#define vnic_rq_disable fnic_rq_disable
+#define vnic_rq_clean fnic_rq_clean
+
+/* Receive queue control */
+struct vnic_rq_ctrl {
+ u64 ring_base; /* 0x00 */
+ u32 ring_size; /* 0x08 */
+ u32 pad0;
+ u32 posted_index; /* 0x10 */
+ u32 pad1;
+ u32 cq_index; /* 0x18 */
+ u32 pad2;
+ u32 enable; /* 0x20 */
+ u32 pad3;
+ u32 running; /* 0x28 */
+ u32 pad4;
+ u32 fetch_index; /* 0x30 */
+ u32 pad5;
+ u32 error_interrupt_enable; /* 0x38 */
+ u32 pad6;
+ u32 error_interrupt_offset; /* 0x40 */
+ u32 pad7;
+ u32 error_status; /* 0x48 */
+ u32 pad8;
+ u32 dropped_packet_count; /* 0x50 */
+ u32 pad9;
+ u32 dropped_packet_count_rc; /* 0x58 */
+ u32 pad10;
+};
+
+/* Break the vnic_rq_buf allocations into blocks of 64 entries */
+#define VNIC_RQ_BUF_BLK_ENTRIES 64
+#define VNIC_RQ_BUF_BLK_SZ \
+ (VNIC_RQ_BUF_BLK_ENTRIES * sizeof(struct vnic_rq_buf))
+#define VNIC_RQ_BUF_BLKS_NEEDED(entries) \
+ DIV_ROUND_UP(entries, VNIC_RQ_BUF_BLK_ENTRIES)
+#define VNIC_RQ_BUF_BLKS_MAX VNIC_RQ_BUF_BLKS_NEEDED(4096)
+
+struct vnic_rq_buf {
+ struct vnic_rq_buf *next;
+ dma_addr_t dma_addr;
+ void *os_buf;
+ unsigned int os_buf_index;
+ unsigned int len;
+ unsigned int index;
+ void *desc;
+};
+
+struct vnic_rq {
+ unsigned int index;
+ struct vnic_dev *vdev;
+ struct vnic_rq_ctrl __iomem *ctrl; /* memory-mapped */
+ struct vnic_dev_ring ring;
+ struct vnic_rq_buf *bufs[VNIC_RQ_BUF_BLKS_MAX];
+ struct vnic_rq_buf *to_use;
+ struct vnic_rq_buf *to_clean;
+ void *os_buf_head;
+ unsigned int buf_index;
+ unsigned int pkts_outstanding;
+};
+
+static inline unsigned int vnic_rq_desc_avail(struct vnic_rq *rq)
+{
+ /* how many does SW own? */
+ return rq->ring.desc_avail;
+}
+
+static inline unsigned int vnic_rq_desc_used(struct vnic_rq *rq)
+{
+ /* how many does HW own? */
+ return rq->ring.desc_count - rq->ring.desc_avail - 1;
+}
+
+static inline void *vnic_rq_next_desc(struct vnic_rq *rq)
+{
+ return rq->to_use->desc;
+}
+
+static inline unsigned int vnic_rq_next_index(struct vnic_rq *rq)
+{
+ return rq->to_use->index;
+}
+
+static inline unsigned int vnic_rq_next_buf_index(struct vnic_rq *rq)
+{
+ return rq->buf_index++;
+}
+
+static inline void vnic_rq_post(struct vnic_rq *rq,
+ void *os_buf, unsigned int os_buf_index,
+ dma_addr_t dma_addr, unsigned int len)
+{
+ struct vnic_rq_buf *buf = rq->to_use;
+
+ buf->os_buf = os_buf;
+ buf->os_buf_index = os_buf_index;
+ buf->dma_addr = dma_addr;
+ buf->len = len;
+
+ buf = buf->next;
+ rq->to_use = buf;
+ rq->ring.desc_avail--;
+
+ /* Move the posted_index every nth descriptor
+ */
+
+#ifndef VNIC_RQ_RETURN_RATE
+#define VNIC_RQ_RETURN_RATE 0xf /* keep 2^n - 1 */
+#endif
+
+ if ((buf->index & VNIC_RQ_RETURN_RATE) == 0) {
+ /* Adding write memory barrier prevents compiler and/or CPU
+ * reordering, thus avoiding descriptor posting before
+ * descriptor is initialized. Otherwise, hardware can read
+ * stale descriptor fields.
+ */
+ wmb();
+ iowrite32(buf->index, &rq->ctrl->posted_index);
+ }
+}
+
+static inline int vnic_rq_posting_soon(struct vnic_rq *rq)
+{
+ return (rq->to_use->index & VNIC_RQ_RETURN_RATE) == 0;
+}
+
+static inline void vnic_rq_return_descs(struct vnic_rq *rq, unsigned int count)
+{
+ rq->ring.desc_avail += count;
+}
+
+enum desc_return_options {
+ VNIC_RQ_RETURN_DESC,
+ VNIC_RQ_DEFER_RETURN_DESC,
+};
+
+static inline void vnic_rq_service(struct vnic_rq *rq,
+ struct cq_desc *cq_desc, u16 completed_index,
+ int desc_return, void (*buf_service)(struct vnic_rq *rq,
+ struct cq_desc *cq_desc, struct vnic_rq_buf *buf,
+ int skipped, void *opaque), void *opaque)
+{
+ struct vnic_rq_buf *buf;
+ int skipped;
+
+ buf = rq->to_clean;
+ while (1) {
+
+ skipped = (buf->index != completed_index);
+
+ (*buf_service)(rq, cq_desc, buf, skipped, opaque);
+
+ if (desc_return == VNIC_RQ_RETURN_DESC)
+ rq->ring.desc_avail++;
+
+ rq->to_clean = buf->next;
+
+ if (!skipped)
+ break;
+
+ buf = rq->to_clean;
+ }
+}
+
+static inline int vnic_rq_fill(struct vnic_rq *rq,
+ int (*buf_fill)(struct vnic_rq *rq))
+{
+ int err;
+
+ while (vnic_rq_desc_avail(rq) > 1) {
+
+ err = (*buf_fill)(rq);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+void vnic_rq_free(struct vnic_rq *rq);
+int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index,
+ unsigned int desc_count, unsigned int desc_size);
+void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index,
+ unsigned int error_interrupt_enable,
+ unsigned int error_interrupt_offset);
+unsigned int vnic_rq_error_status(struct vnic_rq *rq);
+void vnic_rq_enable(struct vnic_rq *rq);
+int vnic_rq_disable(struct vnic_rq *rq);
+void vnic_rq_clean(struct vnic_rq *rq,
+ void (*buf_clean)(struct vnic_rq *rq, struct vnic_rq_buf *buf));
+
+#endif /* _VNIC_RQ_H_ */
diff --git a/drivers/scsi/fnic/vnic_scsi.h b/drivers/scsi/fnic/vnic_scsi.h
new file mode 100644
index 000000000000..46baa5254001
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_scsi.h
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _VNIC_SCSI_H_
+#define _VNIC_SCSI_H_
+
+#define VNIC_FNIC_WQ_COPY_COUNT_MIN 1
+#define VNIC_FNIC_WQ_COPY_COUNT_MAX 1
+
+#define VNIC_FNIC_WQ_DESCS_MIN 64
+#define VNIC_FNIC_WQ_DESCS_MAX 128
+
+#define VNIC_FNIC_WQ_COPY_DESCS_MIN 64
+#define VNIC_FNIC_WQ_COPY_DESCS_MAX 512
+
+#define VNIC_FNIC_RQ_DESCS_MIN 64
+#define VNIC_FNIC_RQ_DESCS_MAX 128
+
+#define VNIC_FNIC_EDTOV_MIN 1000
+#define VNIC_FNIC_EDTOV_MAX 255000
+#define VNIC_FNIC_EDTOV_DEF 2000
+
+#define VNIC_FNIC_RATOV_MIN 1000
+#define VNIC_FNIC_RATOV_MAX 255000
+
+#define VNIC_FNIC_MAXDATAFIELDSIZE_MIN 256
+#define VNIC_FNIC_MAXDATAFIELDSIZE_MAX 2112
+
+#define VNIC_FNIC_FLOGI_RETRIES_MIN 0
+#define VNIC_FNIC_FLOGI_RETRIES_MAX 0xffffffff
+#define VNIC_FNIC_FLOGI_RETRIES_DEF 0xffffffff
+
+#define VNIC_FNIC_FLOGI_TIMEOUT_MIN 1000
+#define VNIC_FNIC_FLOGI_TIMEOUT_MAX 255000
+
+#define VNIC_FNIC_PLOGI_RETRIES_MIN 0
+#define VNIC_FNIC_PLOGI_RETRIES_MAX 255
+#define VNIC_FNIC_PLOGI_RETRIES_DEF 8
+
+#define VNIC_FNIC_PLOGI_TIMEOUT_MIN 1000
+#define VNIC_FNIC_PLOGI_TIMEOUT_MAX 255000
+
+#define VNIC_FNIC_IO_THROTTLE_COUNT_MIN 256
+#define VNIC_FNIC_IO_THROTTLE_COUNT_MAX 4096
+
+#define VNIC_FNIC_LINK_DOWN_TIMEOUT_MIN 0
+#define VNIC_FNIC_LINK_DOWN_TIMEOUT_MAX 240000
+
+#define VNIC_FNIC_PORT_DOWN_TIMEOUT_MIN 0
+#define VNIC_FNIC_PORT_DOWN_TIMEOUT_MAX 240000
+
+#define VNIC_FNIC_PORT_DOWN_IO_RETRIES_MIN 0
+#define VNIC_FNIC_PORT_DOWN_IO_RETRIES_MAX 255
+
+#define VNIC_FNIC_LUNS_PER_TARGET_MIN 1
+#define VNIC_FNIC_LUNS_PER_TARGET_MAX 1024
+
+/* Device-specific region: scsi configuration */
+struct vnic_fc_config {
+ u64 node_wwn;
+ u64 port_wwn;
+ u32 flags;
+ u32 wq_enet_desc_count;
+ u32 wq_copy_desc_count;
+ u32 rq_desc_count;
+ u32 flogi_retries;
+ u32 flogi_timeout;
+ u32 plogi_retries;
+ u32 plogi_timeout;
+ u32 io_throttle_count;
+ u32 link_down_timeout;
+ u32 port_down_timeout;
+ u32 port_down_io_retries;
+ u32 luns_per_tgt;
+ u16 maxdatafieldsize;
+ u16 ed_tov;
+ u16 ra_tov;
+ u16 intr_timer;
+ u8 intr_timer_type;
+};
+
+#define VFCF_FCP_SEQ_LVL_ERR 0x1 /* Enable FCP-2 Error Recovery */
+#define VFCF_PERBI 0x2 /* persistent binding info available */
+
+#endif /* _VNIC_SCSI_H_ */
diff --git a/drivers/scsi/fnic/vnic_stats.h b/drivers/scsi/fnic/vnic_stats.h
new file mode 100644
index 000000000000..5372e23c1cb3
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_stats.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _VNIC_STATS_H_
+#define _VNIC_STATS_H_
+
+/* Tx statistics */
+struct vnic_tx_stats {
+ u64 tx_frames_ok;
+ u64 tx_unicast_frames_ok;
+ u64 tx_multicast_frames_ok;
+ u64 tx_broadcast_frames_ok;
+ u64 tx_bytes_ok;
+ u64 tx_unicast_bytes_ok;
+ u64 tx_multicast_bytes_ok;
+ u64 tx_broadcast_bytes_ok;
+ u64 tx_drops;
+ u64 tx_errors;
+ u64 tx_tso;
+ u64 rsvd[16];
+};
+
+/* Rx statistics */
+struct vnic_rx_stats {
+ u64 rx_frames_ok;
+ u64 rx_frames_total;
+ u64 rx_unicast_frames_ok;
+ u64 rx_multicast_frames_ok;
+ u64 rx_broadcast_frames_ok;
+ u64 rx_bytes_ok;
+ u64 rx_unicast_bytes_ok;
+ u64 rx_multicast_bytes_ok;
+ u64 rx_broadcast_bytes_ok;
+ u64 rx_drop;
+ u64 rx_no_bufs;
+ u64 rx_errors;
+ u64 rx_rss;
+ u64 rx_crc_errors;
+ u64 rx_frames_64;
+ u64 rx_frames_127;
+ u64 rx_frames_255;
+ u64 rx_frames_511;
+ u64 rx_frames_1023;
+ u64 rx_frames_1518;
+ u64 rx_frames_to_max;
+ u64 rsvd[16];
+};
+
+struct vnic_stats {
+ struct vnic_tx_stats tx;
+ struct vnic_rx_stats rx;
+};
+
+#endif /* _VNIC_STATS_H_ */
diff --git a/drivers/scsi/fnic/vnic_wq.c b/drivers/scsi/fnic/vnic_wq.c
new file mode 100644
index 000000000000..1f9ea790d130
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_wq.c
@@ -0,0 +1,182 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include "vnic_dev.h"
+#include "vnic_wq.h"
+
+static int vnic_wq_alloc_bufs(struct vnic_wq *wq)
+{
+ struct vnic_wq_buf *buf;
+ struct vnic_dev *vdev;
+ unsigned int i, j, count = wq->ring.desc_count;
+ unsigned int blks = VNIC_WQ_BUF_BLKS_NEEDED(count);
+
+ vdev = wq->vdev;
+
+ for (i = 0; i < blks; i++) {
+ wq->bufs[i] = kzalloc(VNIC_WQ_BUF_BLK_SZ, GFP_ATOMIC);
+ if (!wq->bufs[i]) {
+ printk(KERN_ERR "Failed to alloc wq_bufs\n");
+ return -ENOMEM;
+ }
+ }
+
+ for (i = 0; i < blks; i++) {
+ buf = wq->bufs[i];
+ for (j = 0; j < VNIC_WQ_BUF_BLK_ENTRIES; j++) {
+ buf->index = i * VNIC_WQ_BUF_BLK_ENTRIES + j;
+ buf->desc = (u8 *)wq->ring.descs +
+ wq->ring.desc_size * buf->index;
+ if (buf->index + 1 == count) {
+ buf->next = wq->bufs[0];
+ break;
+ } else if (j + 1 == VNIC_WQ_BUF_BLK_ENTRIES) {
+ buf->next = wq->bufs[i + 1];
+ } else {
+ buf->next = buf + 1;
+ buf++;
+ }
+ }
+ }
+
+ wq->to_use = wq->to_clean = wq->bufs[0];
+
+ return 0;
+}
+
+void vnic_wq_free(struct vnic_wq *wq)
+{
+ struct vnic_dev *vdev;
+ unsigned int i;
+
+ vdev = wq->vdev;
+
+ vnic_dev_free_desc_ring(vdev, &wq->ring);
+
+ for (i = 0; i < VNIC_WQ_BUF_BLKS_MAX; i++) {
+ kfree(wq->bufs[i]);
+ wq->bufs[i] = NULL;
+ }
+
+ wq->ctrl = NULL;
+
+}
+
+int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index,
+ unsigned int desc_count, unsigned int desc_size)
+{
+ int err;
+
+ wq->index = index;
+ wq->vdev = vdev;
+
+ wq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_WQ, index);
+ if (!wq->ctrl) {
+ printk(KERN_ERR "Failed to hook WQ[%d] resource\n", index);
+ return -EINVAL;
+ }
+
+ vnic_wq_disable(wq);
+
+ err = vnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, desc_size);
+ if (err)
+ return err;
+
+ err = vnic_wq_alloc_bufs(wq);
+ if (err) {
+ vnic_wq_free(wq);
+ return err;
+ }
+
+ return 0;
+}
+
+void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index,
+ unsigned int error_interrupt_enable,
+ unsigned int error_interrupt_offset)
+{
+ u64 paddr;
+
+ paddr = (u64)wq->ring.base_addr | VNIC_PADDR_TARGET;
+ writeq(paddr, &wq->ctrl->ring_base);
+ iowrite32(wq->ring.desc_count, &wq->ctrl->ring_size);
+ iowrite32(0, &wq->ctrl->fetch_index);
+ iowrite32(0, &wq->ctrl->posted_index);
+ iowrite32(cq_index, &wq->ctrl->cq_index);
+ iowrite32(error_interrupt_enable, &wq->ctrl->error_interrupt_enable);
+ iowrite32(error_interrupt_offset, &wq->ctrl->error_interrupt_offset);
+ iowrite32(0, &wq->ctrl->error_status);
+}
+
+unsigned int vnic_wq_error_status(struct vnic_wq *wq)
+{
+ return ioread32(&wq->ctrl->error_status);
+}
+
+void vnic_wq_enable(struct vnic_wq *wq)
+{
+ iowrite32(1, &wq->ctrl->enable);
+}
+
+int vnic_wq_disable(struct vnic_wq *wq)
+{
+ unsigned int wait;
+
+ iowrite32(0, &wq->ctrl->enable);
+
+ /* Wait for HW to ACK disable request */
+ for (wait = 0; wait < 100; wait++) {
+ if (!(ioread32(&wq->ctrl->running)))
+ return 0;
+ udelay(1);
+ }
+
+ printk(KERN_ERR "Failed to disable WQ[%d]\n", wq->index);
+
+ return -ETIMEDOUT;
+}
+
+void vnic_wq_clean(struct vnic_wq *wq,
+ void (*buf_clean)(struct vnic_wq *wq, struct vnic_wq_buf *buf))
+{
+ struct vnic_wq_buf *buf;
+
+ BUG_ON(ioread32(&wq->ctrl->enable));
+
+ buf = wq->to_clean;
+
+ while (vnic_wq_desc_used(wq) > 0) {
+
+ (*buf_clean)(wq, buf);
+
+ buf = wq->to_clean = buf->next;
+ wq->ring.desc_avail++;
+ }
+
+ wq->to_use = wq->to_clean = wq->bufs[0];
+
+ iowrite32(0, &wq->ctrl->fetch_index);
+ iowrite32(0, &wq->ctrl->posted_index);
+ iowrite32(0, &wq->ctrl->error_status);
+
+ vnic_dev_clear_desc_ring(&wq->ring);
+}
diff --git a/drivers/scsi/fnic/vnic_wq.h b/drivers/scsi/fnic/vnic_wq.h
new file mode 100644
index 000000000000..5cd094f79281
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_wq.h
@@ -0,0 +1,175 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _VNIC_WQ_H_
+#define _VNIC_WQ_H_
+
+#include <linux/pci.h>
+#include "vnic_dev.h"
+#include "vnic_cq.h"
+
+/*
+ * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
+ * Driver) when both are built with CONFIG options =y
+ */
+#define vnic_wq_desc_avail fnic_wq_desc_avail
+#define vnic_wq_desc_used fnic_wq_desc_used
+#define vnic_wq_next_desc fni_cwq_next_desc
+#define vnic_wq_post fnic_wq_post
+#define vnic_wq_service fnic_wq_service
+#define vnic_wq_free fnic_wq_free
+#define vnic_wq_alloc fnic_wq_alloc
+#define vnic_wq_init fnic_wq_init
+#define vnic_wq_error_status fnic_wq_error_status
+#define vnic_wq_enable fnic_wq_enable
+#define vnic_wq_disable fnic_wq_disable
+#define vnic_wq_clean fnic_wq_clean
+
+/* Work queue control */
+struct vnic_wq_ctrl {
+ u64 ring_base; /* 0x00 */
+ u32 ring_size; /* 0x08 */
+ u32 pad0;
+ u32 posted_index; /* 0x10 */
+ u32 pad1;
+ u32 cq_index; /* 0x18 */
+ u32 pad2;
+ u32 enable; /* 0x20 */
+ u32 pad3;
+ u32 running; /* 0x28 */
+ u32 pad4;
+ u32 fetch_index; /* 0x30 */
+ u32 pad5;
+ u32 dca_value; /* 0x38 */
+ u32 pad6;
+ u32 error_interrupt_enable; /* 0x40 */
+ u32 pad7;
+ u32 error_interrupt_offset; /* 0x48 */
+ u32 pad8;
+ u32 error_status; /* 0x50 */
+ u32 pad9;
+};
+
+struct vnic_wq_buf {
+ struct vnic_wq_buf *next;
+ dma_addr_t dma_addr;
+ void *os_buf;
+ unsigned int len;
+ unsigned int index;
+ int sop;
+ void *desc;
+};
+
+/* Break the vnic_wq_buf allocations into blocks of 64 entries */
+#define VNIC_WQ_BUF_BLK_ENTRIES 64
+#define VNIC_WQ_BUF_BLK_SZ \
+ (VNIC_WQ_BUF_BLK_ENTRIES * sizeof(struct vnic_wq_buf))
+#define VNIC_WQ_BUF_BLKS_NEEDED(entries) \
+ DIV_ROUND_UP(entries, VNIC_WQ_BUF_BLK_ENTRIES)
+#define VNIC_WQ_BUF_BLKS_MAX VNIC_WQ_BUF_BLKS_NEEDED(4096)
+
+struct vnic_wq {
+ unsigned int index;
+ struct vnic_dev *vdev;
+ struct vnic_wq_ctrl __iomem *ctrl; /* memory-mapped */
+ struct vnic_dev_ring ring;
+ struct vnic_wq_buf *bufs[VNIC_WQ_BUF_BLKS_MAX];
+ struct vnic_wq_buf *to_use;
+ struct vnic_wq_buf *to_clean;
+ unsigned int pkts_outstanding;
+};
+
+static inline unsigned int vnic_wq_desc_avail(struct vnic_wq *wq)
+{
+ /* how many does SW own? */
+ return wq->ring.desc_avail;
+}
+
+static inline unsigned int vnic_wq_desc_used(struct vnic_wq *wq)
+{
+ /* how many does HW own? */
+ return wq->ring.desc_count - wq->ring.desc_avail - 1;
+}
+
+static inline void *vnic_wq_next_desc(struct vnic_wq *wq)
+{
+ return wq->to_use->desc;
+}
+
+static inline void vnic_wq_post(struct vnic_wq *wq,
+ void *os_buf, dma_addr_t dma_addr,
+ unsigned int len, int sop, int eop)
+{
+ struct vnic_wq_buf *buf = wq->to_use;
+
+ buf->sop = sop;
+ buf->os_buf = eop ? os_buf : NULL;
+ buf->dma_addr = dma_addr;
+ buf->len = len;
+
+ buf = buf->next;
+ if (eop) {
+ /* Adding write memory barrier prevents compiler and/or CPU
+ * reordering, thus avoiding descriptor posting before
+ * descriptor is initialized. Otherwise, hardware can read
+ * stale descriptor fields.
+ */
+ wmb();
+ iowrite32(buf->index, &wq->ctrl->posted_index);
+ }
+ wq->to_use = buf;
+
+ wq->ring.desc_avail--;
+}
+
+static inline void vnic_wq_service(struct vnic_wq *wq,
+ struct cq_desc *cq_desc, u16 completed_index,
+ void (*buf_service)(struct vnic_wq *wq,
+ struct cq_desc *cq_desc, struct vnic_wq_buf *buf, void *opaque),
+ void *opaque)
+{
+ struct vnic_wq_buf *buf;
+
+ buf = wq->to_clean;
+ while (1) {
+
+ (*buf_service)(wq, cq_desc, buf, opaque);
+
+ wq->ring.desc_avail++;
+
+ wq->to_clean = buf->next;
+
+ if (buf->index == completed_index)
+ break;
+
+ buf = wq->to_clean;
+ }
+}
+
+void vnic_wq_free(struct vnic_wq *wq);
+int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index,
+ unsigned int desc_count, unsigned int desc_size);
+void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index,
+ unsigned int error_interrupt_enable,
+ unsigned int error_interrupt_offset);
+unsigned int vnic_wq_error_status(struct vnic_wq *wq);
+void vnic_wq_enable(struct vnic_wq *wq);
+int vnic_wq_disable(struct vnic_wq *wq);
+void vnic_wq_clean(struct vnic_wq *wq,
+ void (*buf_clean)(struct vnic_wq *wq, struct vnic_wq_buf *buf));
+
+#endif /* _VNIC_WQ_H_ */
diff --git a/drivers/scsi/fnic/vnic_wq_copy.c b/drivers/scsi/fnic/vnic_wq_copy.c
new file mode 100644
index 000000000000..9eab7e7caf38
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_wq_copy.c
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include "vnic_wq_copy.h"
+
+void vnic_wq_copy_enable(struct vnic_wq_copy *wq)
+{
+ iowrite32(1, &wq->ctrl->enable);
+}
+
+int vnic_wq_copy_disable(struct vnic_wq_copy *wq)
+{
+ unsigned int wait;
+
+ iowrite32(0, &wq->ctrl->enable);
+
+ /* Wait for HW to ACK disable request */
+ for (wait = 0; wait < 100; wait++) {
+ if (!(ioread32(&wq->ctrl->running)))
+ return 0;
+ udelay(1);
+ }
+
+ printk(KERN_ERR "Failed to disable Copy WQ[%d],"
+ " fetch index=%d, posted_index=%d\n",
+ wq->index, ioread32(&wq->ctrl->fetch_index),
+ ioread32(&wq->ctrl->posted_index));
+
+ return -ENODEV;
+}
+
+void vnic_wq_copy_clean(struct vnic_wq_copy *wq,
+ void (*q_clean)(struct vnic_wq_copy *wq,
+ struct fcpio_host_req *wq_desc))
+{
+ BUG_ON(ioread32(&wq->ctrl->enable));
+
+ if (vnic_wq_copy_desc_in_use(wq))
+ vnic_wq_copy_service(wq, -1, q_clean);
+
+ wq->to_use_index = wq->to_clean_index = 0;
+
+ iowrite32(0, &wq->ctrl->fetch_index);
+ iowrite32(0, &wq->ctrl->posted_index);
+ iowrite32(0, &wq->ctrl->error_status);
+
+ vnic_dev_clear_desc_ring(&wq->ring);
+}
+
+void vnic_wq_copy_free(struct vnic_wq_copy *wq)
+{
+ struct vnic_dev *vdev;
+
+ vdev = wq->vdev;
+ vnic_dev_free_desc_ring(vdev, &wq->ring);
+ wq->ctrl = NULL;
+}
+
+int vnic_wq_copy_alloc(struct vnic_dev *vdev, struct vnic_wq_copy *wq,
+ unsigned int index, unsigned int desc_count,
+ unsigned int desc_size)
+{
+ int err;
+
+ wq->index = index;
+ wq->vdev = vdev;
+ wq->to_use_index = wq->to_clean_index = 0;
+ wq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_WQ, index);
+ if (!wq->ctrl) {
+ printk(KERN_ERR "Failed to hook COPY WQ[%d] resource\n", index);
+ return -EINVAL;
+ }
+
+ vnic_wq_copy_disable(wq);
+
+ err = vnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, desc_size);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+void vnic_wq_copy_init(struct vnic_wq_copy *wq, unsigned int cq_index,
+ unsigned int error_interrupt_enable,
+ unsigned int error_interrupt_offset)
+{
+ u64 paddr;
+
+ paddr = (u64)wq->ring.base_addr | VNIC_PADDR_TARGET;
+ writeq(paddr, &wq->ctrl->ring_base);
+ iowrite32(wq->ring.desc_count, &wq->ctrl->ring_size);
+ iowrite32(0, &wq->ctrl->fetch_index);
+ iowrite32(0, &wq->ctrl->posted_index);
+ iowrite32(cq_index, &wq->ctrl->cq_index);
+ iowrite32(error_interrupt_enable, &wq->ctrl->error_interrupt_enable);
+ iowrite32(error_interrupt_offset, &wq->ctrl->error_interrupt_offset);
+}
+
diff --git a/drivers/scsi/fnic/vnic_wq_copy.h b/drivers/scsi/fnic/vnic_wq_copy.h
new file mode 100644
index 000000000000..6aff9740c3df
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_wq_copy.h
@@ -0,0 +1,128 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _VNIC_WQ_COPY_H_
+#define _VNIC_WQ_COPY_H_
+
+#include <linux/pci.h>
+#include "vnic_wq.h"
+#include "fcpio.h"
+
+#define VNIC_WQ_COPY_MAX 1
+
+struct vnic_wq_copy {
+ unsigned int index;
+ struct vnic_dev *vdev;
+ struct vnic_wq_ctrl __iomem *ctrl; /* memory-mapped */
+ struct vnic_dev_ring ring;
+ unsigned to_use_index;
+ unsigned to_clean_index;
+};
+
+static inline unsigned int vnic_wq_copy_desc_avail(struct vnic_wq_copy *wq)
+{
+ return wq->ring.desc_avail;
+}
+
+static inline unsigned int vnic_wq_copy_desc_in_use(struct vnic_wq_copy *wq)
+{
+ return wq->ring.desc_count - 1 - wq->ring.desc_avail;
+}
+
+static inline void *vnic_wq_copy_next_desc(struct vnic_wq_copy *wq)
+{
+ struct fcpio_host_req *desc = wq->ring.descs;
+ return &desc[wq->to_use_index];
+}
+
+static inline void vnic_wq_copy_post(struct vnic_wq_copy *wq)
+{
+
+ ((wq->to_use_index + 1) == wq->ring.desc_count) ?
+ (wq->to_use_index = 0) : (wq->to_use_index++);
+ wq->ring.desc_avail--;
+
+ /* Adding write memory barrier prevents compiler and/or CPU
+ * reordering, thus avoiding descriptor posting before
+ * descriptor is initialized. Otherwise, hardware can read
+ * stale descriptor fields.
+ */
+ wmb();
+
+ iowrite32(wq->to_use_index, &wq->ctrl->posted_index);
+}
+
+static inline void vnic_wq_copy_desc_process(struct vnic_wq_copy *wq, u16 index)
+{
+ unsigned int cnt;
+
+ if (wq->to_clean_index <= index)
+ cnt = (index - wq->to_clean_index) + 1;
+ else
+ cnt = wq->ring.desc_count - wq->to_clean_index + index + 1;
+
+ wq->to_clean_index = ((index + 1) % wq->ring.desc_count);
+ wq->ring.desc_avail += cnt;
+
+}
+
+static inline void vnic_wq_copy_service(struct vnic_wq_copy *wq,
+ u16 completed_index,
+ void (*q_service)(struct vnic_wq_copy *wq,
+ struct fcpio_host_req *wq_desc))
+{
+ struct fcpio_host_req *wq_desc = wq->ring.descs;
+ unsigned int curr_index;
+
+ while (1) {
+
+ if (q_service)
+ (*q_service)(wq, &wq_desc[wq->to_clean_index]);
+
+ wq->ring.desc_avail++;
+
+ curr_index = wq->to_clean_index;
+
+ /* increment the to-clean index so that we start
+ * with an unprocessed index next time we enter the loop
+ */
+ ((wq->to_clean_index + 1) == wq->ring.desc_count) ?
+ (wq->to_clean_index = 0) : (wq->to_clean_index++);
+
+ if (curr_index == completed_index)
+ break;
+
+ /* we have cleaned all the entries */
+ if ((completed_index == (u16)-1) &&
+ (wq->to_clean_index == wq->to_use_index))
+ break;
+ }
+}
+
+void vnic_wq_copy_enable(struct vnic_wq_copy *wq);
+int vnic_wq_copy_disable(struct vnic_wq_copy *wq);
+void vnic_wq_copy_free(struct vnic_wq_copy *wq);
+int vnic_wq_copy_alloc(struct vnic_dev *vdev, struct vnic_wq_copy *wq,
+ unsigned int index, unsigned int desc_count, unsigned int desc_size);
+void vnic_wq_copy_init(struct vnic_wq_copy *wq, unsigned int cq_index,
+ unsigned int error_interrupt_enable,
+ unsigned int error_interrupt_offset);
+void vnic_wq_copy_clean(struct vnic_wq_copy *wq,
+ void (*q_clean)(struct vnic_wq_copy *wq,
+ struct fcpio_host_req *wq_desc));
+
+#endif /* _VNIC_WQ_COPY_H_ */
diff --git a/drivers/scsi/fnic/wq_enet_desc.h b/drivers/scsi/fnic/wq_enet_desc.h
new file mode 100644
index 000000000000..b121cbad18b8
--- /dev/null
+++ b/drivers/scsi/fnic/wq_enet_desc.h
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 _WQ_ENET_DESC_H_
+#define _WQ_ENET_DESC_H_
+
+/* Ethernet work queue descriptor: 16B */
+struct wq_enet_desc {
+ __le64 address;
+ __le16 length;
+ __le16 mss_loopback;
+ __le16 header_length_flags;
+ __le16 vlan_tag;
+};
+
+#define WQ_ENET_ADDR_BITS 64
+#define WQ_ENET_LEN_BITS 14
+#define WQ_ENET_LEN_MASK ((1 << WQ_ENET_LEN_BITS) - 1)
+#define WQ_ENET_MSS_BITS 14
+#define WQ_ENET_MSS_MASK ((1 << WQ_ENET_MSS_BITS) - 1)
+#define WQ_ENET_MSS_SHIFT 2
+#define WQ_ENET_LOOPBACK_SHIFT 1
+#define WQ_ENET_HDRLEN_BITS 10
+#define WQ_ENET_HDRLEN_MASK ((1 << WQ_ENET_HDRLEN_BITS) - 1)
+#define WQ_ENET_FLAGS_OM_BITS 2
+#define WQ_ENET_FLAGS_OM_MASK ((1 << WQ_ENET_FLAGS_OM_BITS) - 1)
+#define WQ_ENET_FLAGS_EOP_SHIFT 12
+#define WQ_ENET_FLAGS_CQ_ENTRY_SHIFT 13
+#define WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT 14
+#define WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT 15
+
+#define WQ_ENET_OFFLOAD_MODE_CSUM 0
+#define WQ_ENET_OFFLOAD_MODE_RESERVED 1
+#define WQ_ENET_OFFLOAD_MODE_CSUM_L4 2
+#define WQ_ENET_OFFLOAD_MODE_TSO 3
+
+static inline void wq_enet_desc_enc(struct wq_enet_desc *desc,
+ u64 address, u16 length, u16 mss, u16 header_length,
+ u8 offload_mode, u8 eop, u8 cq_entry, u8 fcoe_encap,
+ u8 vlan_tag_insert, u16 vlan_tag, u8 loopback)
+{
+ desc->address = cpu_to_le64(address);
+ desc->length = cpu_to_le16(length & WQ_ENET_LEN_MASK);
+ desc->mss_loopback = cpu_to_le16((mss & WQ_ENET_MSS_MASK) <<
+ WQ_ENET_MSS_SHIFT | (loopback & 1) << WQ_ENET_LOOPBACK_SHIFT);
+ desc->header_length_flags = cpu_to_le16(
+ (header_length & WQ_ENET_HDRLEN_MASK) |
+ (offload_mode & WQ_ENET_FLAGS_OM_MASK) << WQ_ENET_HDRLEN_BITS |
+ (eop & 1) << WQ_ENET_FLAGS_EOP_SHIFT |
+ (cq_entry & 1) << WQ_ENET_FLAGS_CQ_ENTRY_SHIFT |
+ (fcoe_encap & 1) << WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT |
+ (vlan_tag_insert & 1) << WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT);
+ desc->vlan_tag = cpu_to_le16(vlan_tag);
+}
+
+static inline void wq_enet_desc_dec(struct wq_enet_desc *desc,
+ u64 *address, u16 *length, u16 *mss, u16 *header_length,
+ u8 *offload_mode, u8 *eop, u8 *cq_entry, u8 *fcoe_encap,
+ u8 *vlan_tag_insert, u16 *vlan_tag, u8 *loopback)
+{
+ *address = le64_to_cpu(desc->address);
+ *length = le16_to_cpu(desc->length) & WQ_ENET_LEN_MASK;
+ *mss = (le16_to_cpu(desc->mss_loopback) >> WQ_ENET_MSS_SHIFT) &
+ WQ_ENET_MSS_MASK;
+ *loopback = (u8)((le16_to_cpu(desc->mss_loopback) >>
+ WQ_ENET_LOOPBACK_SHIFT) & 1);
+ *header_length = le16_to_cpu(desc->header_length_flags) &
+ WQ_ENET_HDRLEN_MASK;
+ *offload_mode = (u8)((le16_to_cpu(desc->header_length_flags) >>
+ WQ_ENET_HDRLEN_BITS) & WQ_ENET_FLAGS_OM_MASK);
+ *eop = (u8)((le16_to_cpu(desc->header_length_flags) >>
+ WQ_ENET_FLAGS_EOP_SHIFT) & 1);
+ *cq_entry = (u8)((le16_to_cpu(desc->header_length_flags) >>
+ WQ_ENET_FLAGS_CQ_ENTRY_SHIFT) & 1);
+ *fcoe_encap = (u8)((le16_to_cpu(desc->header_length_flags) >>
+ WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT) & 1);
+ *vlan_tag_insert = (u8)((le16_to_cpu(desc->header_length_flags) >>
+ WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT) & 1);
+ *vlan_tag = le16_to_cpu(desc->vlan_tag);
+}
+
+#endif /* _WQ_ENET_DESC_H_ */
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index c09d77591f92..dd689ded8609 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -3654,6 +3654,7 @@ static int ipr_slave_configure(struct scsi_device *sdev)
{
struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata;
struct ipr_resource_entry *res;
+ struct ata_port *ap = NULL;
unsigned long lock_flags = 0;
spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
@@ -3672,12 +3673,16 @@ static int ipr_slave_configure(struct scsi_device *sdev)
}
if (ipr_is_vset_device(res) || ipr_is_scsi_disk(res))
sdev->allow_restart = 1;
- if (ipr_is_gata(res) && res->sata_port) {
+ if (ipr_is_gata(res) && res->sata_port)
+ ap = res->sata_port->ap;
+ spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
+
+ if (ap) {
scsi_adjust_queue_depth(sdev, 0, IPR_MAX_CMD_PER_ATA_LUN);
- ata_sas_slave_configure(sdev, res->sata_port->ap);
- } else {
+ ata_sas_slave_configure(sdev, ap);
+ } else
scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun);
- }
+ return 0;
}
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
return 0;
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index b3e5e08e44ab..b7c092d63bbe 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -463,7 +463,7 @@ static int iscsi_sw_tcp_pdu_init(struct iscsi_task *task,
}
if (err) {
- iscsi_conn_failure(conn, err);
+ /* got invalid offset/len */
return -EIO;
}
return 0;
@@ -851,6 +851,7 @@ static struct scsi_host_template iscsi_sw_tcp_sht = {
.use_clustering = DISABLE_CLUSTERING,
.slave_alloc = iscsi_sw_tcp_slave_alloc,
.slave_configure = iscsi_sw_tcp_slave_configure,
+ .target_alloc = iscsi_target_alloc,
.proc_name = "iscsi_tcp",
.this_id = -1,
};
diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c
index e57556ea5b48..4c880656990b 100644
--- a/drivers/scsi/libfc/fc_disc.c
+++ b/drivers/scsi/libfc/fc_disc.c
@@ -113,6 +113,11 @@ void fc_disc_stop_rports(struct fc_disc *disc)
lport->tt.rport_logoff(rport);
}
+ list_for_each_entry_safe(rdata, next, &disc->rogue_rports, peers) {
+ rport = PRIV_TO_RPORT(rdata);
+ lport->tt.rport_logoff(rport);
+ }
+
mutex_unlock(&disc->disc_mutex);
}
@@ -131,23 +136,32 @@ static void fc_disc_rport_callback(struct fc_lport *lport,
{
struct fc_rport_libfc_priv *rdata = rport->dd_data;
struct fc_disc *disc = &lport->disc;
- int found = 0;
FC_DEBUG_DISC("Received a %d event for port (%6x)\n", event,
rport->port_id);
- if (event == RPORT_EV_CREATED) {
+ switch (event) {
+ case RPORT_EV_CREATED:
if (disc) {
- found = 1;
mutex_lock(&disc->disc_mutex);
list_add_tail(&rdata->peers, &disc->rports);
mutex_unlock(&disc->disc_mutex);
}
+ break;
+ case RPORT_EV_LOGO:
+ case RPORT_EV_FAILED:
+ case RPORT_EV_STOP:
+ mutex_lock(&disc->disc_mutex);
+ mutex_lock(&rdata->rp_mutex);
+ if (rdata->trans_state == FC_PORTSTATE_ROGUE)
+ list_del(&rdata->peers);
+ mutex_unlock(&rdata->rp_mutex);
+ mutex_unlock(&disc->disc_mutex);
+ break;
+ default:
+ break;
}
- if (!found)
- FC_DEBUG_DISC("The rport (%6x) is not maintained "
- "by the discovery layer\n", rport->port_id);
}
/**
@@ -439,6 +453,7 @@ static int fc_disc_new_target(struct fc_disc *disc,
rdata = rport->dd_data;
rdata->ops = &fc_disc_rport_ops;
rdata->rp_state = RPORT_ST_INIT;
+ list_add_tail(&rdata->peers, &disc->rogue_rports);
lport->tt.rport_login(rport);
}
}
@@ -461,21 +476,29 @@ static void fc_disc_del_target(struct fc_disc *disc, struct fc_rport *rport)
/**
* fc_disc_done() - Discovery has been completed
* @disc: FC discovery context
+ * Locking Note: This function expects that the disc mutex is locked before
+ * it is called. The discovery callback is then made with the lock released,
+ * and the lock is re-taken before returning from this function
*/
static void fc_disc_done(struct fc_disc *disc)
{
struct fc_lport *lport = disc->lport;
+ enum fc_disc_event event;
FC_DEBUG_DISC("Discovery complete for port (%6x)\n",
fc_host_port_id(lport->host));
- disc->disc_callback(lport, disc->event);
+ event = disc->event;
disc->event = DISC_EV_NONE;
if (disc->requested)
fc_disc_gpn_ft_req(disc);
else
disc->pending = 0;
+
+ mutex_unlock(&disc->disc_mutex);
+ disc->disc_callback(lport, event);
+ mutex_lock(&disc->disc_mutex);
}
/**
@@ -622,6 +645,8 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len)
rdata = rport->dd_data;
rdata->ops = &fc_disc_rport_ops;
rdata->local_port = lport;
+ list_add_tail(&rdata->peers,
+ &disc->rogue_rports);
lport->tt.rport_login(rport);
} else
FC_DBG("Failed to allocate memory for "
@@ -681,8 +706,8 @@ static void fc_disc_timeout(struct work_struct *work)
* @fp: response frame
* @lp_arg: Fibre Channel host port instance
*
- * Locking Note: This function expects that the disc_mutex is locked
- * before it is called.
+ * Locking Note: This function is called without disc mutex held, and
+ * should do all its processing with the mutex held
*/
static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp,
void *disc_arg)
@@ -695,11 +720,13 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp,
unsigned int len;
int error;
+ mutex_lock(&disc->disc_mutex);
FC_DEBUG_DISC("Received a GPN_FT response on port (%6x)\n",
fc_host_port_id(disc->lport->host));
if (IS_ERR(fp)) {
fc_disc_error(disc, fp);
+ mutex_unlock(&disc->disc_mutex);
return;
}
@@ -744,6 +771,8 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp,
disc->seq_count++;
}
fc_frame_free(fp);
+
+ mutex_unlock(&disc->disc_mutex);
}
/**
@@ -757,7 +786,6 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp,
static void fc_disc_single(struct fc_disc *disc, struct fc_disc_port *dp)
{
struct fc_lport *lport;
- struct fc_rport *rport;
struct fc_rport *new_rport;
struct fc_rport_libfc_priv *rdata;
@@ -766,15 +794,12 @@ static void fc_disc_single(struct fc_disc *disc, struct fc_disc_port *dp)
if (dp->ids.port_id == fc_host_port_id(lport->host))
goto out;
- rport = lport->tt.rport_lookup(lport, dp->ids.port_id);
- if (rport)
- fc_disc_del_target(disc, rport);
-
new_rport = lport->tt.rport_create(dp);
if (new_rport) {
rdata = new_rport->dd_data;
rdata->ops = &fc_disc_rport_ops;
kfree(dp);
+ list_add_tail(&rdata->peers, &disc->rogue_rports);
lport->tt.rport_login(new_rport);
}
return;
@@ -836,6 +861,7 @@ int fc_disc_init(struct fc_lport *lport)
INIT_DELAYED_WORK(&disc->disc_work, fc_disc_timeout);
mutex_init(&disc->disc_mutex);
INIT_LIST_HEAD(&disc->rports);
+ INIT_LIST_HEAD(&disc->rogue_rports);
disc->lport = lport;
disc->delay = FC_DISC_DELAY;
diff --git a/drivers/scsi/libfc/fc_elsct.c b/drivers/scsi/libfc/fc_elsct.c
index dd47fe619d1e..5878b34bff18 100644
--- a/drivers/scsi/libfc/fc_elsct.c
+++ b/drivers/scsi/libfc/fc_elsct.c
@@ -41,7 +41,7 @@ static struct fc_seq *fc_elsct_send(struct fc_lport *lport,
void *arg, u32 timer_msec)
{
enum fc_rctl r_ctl;
- u32 did;
+ u32 did = FC_FID_NONE;
enum fc_fh_type fh_type;
int rc;
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index f555ae99ad40..521f996f9b13 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -713,7 +713,7 @@ done:
static void fc_fcp_recv(struct fc_seq *seq, struct fc_frame *fp, void *arg)
{
struct fc_fcp_pkt *fsp = (struct fc_fcp_pkt *)arg;
- struct fc_lport *lp;
+ struct fc_lport *lport = fsp->lp;
struct fc_frame_header *fh;
struct fcp_txrdy *dd;
u8 r_ctl;
@@ -724,9 +724,8 @@ static void fc_fcp_recv(struct fc_seq *seq, struct fc_frame *fp, void *arg)
fh = fc_frame_header_get(fp);
r_ctl = fh->fh_r_ctl;
- lp = fsp->lp;
- if (!(lp->state & LPORT_ST_READY))
+ if (!(lport->state & LPORT_ST_READY))
goto out;
if (fc_fcp_lock_pkt(fsp))
goto out;
@@ -779,7 +778,7 @@ errout:
if (IS_ERR(fp))
fc_fcp_error(fsp, fp);
else if (rc == -ENOMEM)
- fc_fcp_reduce_can_queue(lp);
+ fc_fcp_reduce_can_queue(lport);
}
static void fc_fcp_resp(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index b8178ef398d7..e0c247724d2b 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -618,6 +618,11 @@ int fc_fabric_logoff(struct fc_lport *lport)
{
lport->tt.disc_stop_final(lport);
mutex_lock(&lport->lp_mutex);
+ if (lport->dns_rp)
+ lport->tt.rport_logoff(lport->dns_rp);
+ mutex_unlock(&lport->lp_mutex);
+ lport->tt.rport_flush_queue();
+ mutex_lock(&lport->lp_mutex);
fc_lport_enter_logo(lport);
mutex_unlock(&lport->lp_mutex);
cancel_delayed_work_sync(&lport->retry_work);
@@ -639,7 +644,12 @@ EXPORT_SYMBOL(fc_fabric_logoff);
*/
int fc_lport_destroy(struct fc_lport *lport)
{
+ mutex_lock(&lport->lp_mutex);
+ lport->state = LPORT_ST_NONE;
+ lport->link_up = 0;
lport->tt.frame_send = fc_frame_drop;
+ mutex_unlock(&lport->lp_mutex);
+
lport->tt.fcp_abort_io(lport);
lport->tt.exch_mgr_reset(lport, 0, 0);
return 0;
@@ -1032,17 +1042,19 @@ static void fc_lport_rft_id_resp(struct fc_seq *sp, struct fc_frame *fp,
FC_DEBUG_LPORT("Received a RFT_ID response\n");
- if (IS_ERR(fp)) {
- fc_lport_error(lport, fp);
- goto err;
- }
-
if (lport->state != LPORT_ST_RFT_ID) {
FC_DBG("Received a RFT_ID response, but in state %s\n",
fc_lport_state(lport));
+ if (IS_ERR(fp))
+ goto err;
goto out;
}
+ if (IS_ERR(fp)) {
+ fc_lport_error(lport, fp);
+ goto err;
+ }
+
fh = fc_frame_header_get(fp);
ct = fc_frame_payload_get(fp, sizeof(*ct));
@@ -1084,17 +1096,19 @@ static void fc_lport_rpn_id_resp(struct fc_seq *sp, struct fc_frame *fp,
FC_DEBUG_LPORT("Received a RPN_ID response\n");
- if (IS_ERR(fp)) {
- fc_lport_error(lport, fp);
- goto err;
- }
-
if (lport->state != LPORT_ST_RPN_ID) {
FC_DBG("Received a RPN_ID response, but in state %s\n",
fc_lport_state(lport));
+ if (IS_ERR(fp))
+ goto err;
goto out;
}
+ if (IS_ERR(fp)) {
+ fc_lport_error(lport, fp);
+ goto err;
+ }
+
fh = fc_frame_header_get(fp);
ct = fc_frame_payload_get(fp, sizeof(*ct));
if (fh && ct && fh->fh_type == FC_TYPE_CT &&
@@ -1134,17 +1148,19 @@ static void fc_lport_scr_resp(struct fc_seq *sp, struct fc_frame *fp,
FC_DEBUG_LPORT("Received a SCR response\n");
- if (IS_ERR(fp)) {
- fc_lport_error(lport, fp);
- goto err;
- }
-
if (lport->state != LPORT_ST_SCR) {
FC_DBG("Received a SCR response, but in state %s\n",
fc_lport_state(lport));
+ if (IS_ERR(fp))
+ goto err;
goto out;
}
+ if (IS_ERR(fp)) {
+ fc_lport_error(lport, fp);
+ goto err;
+ }
+
op = fc_frame_payload_op(fp);
if (op == ELS_LS_ACC)
fc_lport_enter_ready(lport);
@@ -1360,17 +1376,19 @@ static void fc_lport_logo_resp(struct fc_seq *sp, struct fc_frame *fp,
FC_DEBUG_LPORT("Received a LOGO response\n");
- if (IS_ERR(fp)) {
- fc_lport_error(lport, fp);
- goto err;
- }
-
if (lport->state != LPORT_ST_LOGO) {
FC_DBG("Received a LOGO response, but in state %s\n",
fc_lport_state(lport));
+ if (IS_ERR(fp))
+ goto err;
goto out;
}
+ if (IS_ERR(fp)) {
+ fc_lport_error(lport, fp);
+ goto err;
+ }
+
op = fc_frame_payload_op(fp);
if (op == ELS_LS_ACC)
fc_lport_enter_reset(lport);
@@ -1400,10 +1418,6 @@ static void fc_lport_enter_logo(struct fc_lport *lport)
fc_lport_state_enter(lport, LPORT_ST_LOGO);
- /* DNS session should be closed so we can release it here */
- if (lport->dns_rp)
- lport->tt.rport_logoff(lport->dns_rp);
-
fp = fc_frame_alloc(lport, sizeof(*logo));
if (!fp) {
fc_lport_error(lport, fp);
@@ -1444,17 +1458,19 @@ static void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp,
FC_DEBUG_LPORT("Received a FLOGI response\n");
- if (IS_ERR(fp)) {
- fc_lport_error(lport, fp);
- goto err;
- }
-
if (lport->state != LPORT_ST_FLOGI) {
FC_DBG("Received a FLOGI response, but in state %s\n",
fc_lport_state(lport));
+ if (IS_ERR(fp))
+ goto err;
goto out;
}
+ if (IS_ERR(fp)) {
+ fc_lport_error(lport, fp);
+ goto err;
+ }
+
fh = fc_frame_header_get(fp);
did = ntoh24(fh->fh_d_id);
if (fc_frame_payload_op(fp) == ELS_LS_ACC && did != 0) {
diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index 0472bb73221e..747d73c5c8af 100644
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c
@@ -267,6 +267,10 @@ static void fc_rport_work(struct work_struct *work)
"(%6x).\n", ids.port_id);
event = RPORT_EV_FAILED;
}
+ if (rport->port_id != FC_FID_DIR_SERV)
+ if (rport_ops->event_callback)
+ rport_ops->event_callback(lport, rport,
+ RPORT_EV_FAILED);
put_device(&rport->dev);
rport = new_rport;
rdata = new_rport->dd_data;
@@ -325,11 +329,20 @@ int fc_rport_login(struct fc_rport *rport)
int fc_rport_logoff(struct fc_rport *rport)
{
struct fc_rport_libfc_priv *rdata = rport->dd_data;
+ struct fc_lport *lport = rdata->local_port;
mutex_lock(&rdata->rp_mutex);
FC_DEBUG_RPORT("Remove port (%6x)\n", rport->port_id);
+ if (rdata->rp_state == RPORT_ST_NONE) {
+ FC_DEBUG_RPORT("(%6x): Port (%6x) in NONE state,"
+ " not removing", fc_host_port_id(lport->host),
+ rport->port_id);
+ mutex_unlock(&rdata->rp_mutex);
+ goto out;
+ }
+
fc_rport_enter_logo(rport);
/*
@@ -349,6 +362,7 @@ int fc_rport_logoff(struct fc_rport *rport)
mutex_unlock(&rdata->rp_mutex);
+out:
return 0;
}
@@ -430,6 +444,7 @@ static void fc_rport_error(struct fc_rport *rport, struct fc_frame *fp)
case RPORT_ST_PRLI:
case RPORT_ST_LOGO:
rdata->event = RPORT_EV_FAILED;
+ fc_rport_state_enter(rport, RPORT_ST_NONE);
queue_work(rport_event_queue,
&rdata->event_work);
break;
@@ -494,7 +509,7 @@ static void fc_rport_plogi_resp(struct fc_seq *sp, struct fc_frame *fp,
struct fc_rport *rport = rp_arg;
struct fc_rport_libfc_priv *rdata = rport->dd_data;
struct fc_lport *lport = rdata->local_port;
- struct fc_els_flogi *plp;
+ struct fc_els_flogi *plp = NULL;
unsigned int tov;
u16 csp_seq;
u16 cssp_seq;
@@ -505,17 +520,19 @@ static void fc_rport_plogi_resp(struct fc_seq *sp, struct fc_frame *fp,
FC_DEBUG_RPORT("Received a PLOGI response from port (%6x)\n",
rport->port_id);
- if (IS_ERR(fp)) {
- fc_rport_error_retry(rport, fp);
- goto err;
- }
-
if (rdata->rp_state != RPORT_ST_PLOGI) {
FC_DBG("Received a PLOGI response, but in state %s\n",
fc_rport_state(rport));
+ if (IS_ERR(fp))
+ goto err;
goto out;
}
+ if (IS_ERR(fp)) {
+ fc_rport_error_retry(rport, fp);
+ goto err;
+ }
+
op = fc_frame_payload_op(fp);
if (op == ELS_LS_ACC &&
(plp = fc_frame_payload_get(fp, sizeof(*plp))) != NULL) {
@@ -614,17 +631,19 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp,
FC_DEBUG_RPORT("Received a PRLI response from port (%6x)\n",
rport->port_id);
- if (IS_ERR(fp)) {
- fc_rport_error_retry(rport, fp);
- goto err;
- }
-
if (rdata->rp_state != RPORT_ST_PRLI) {
FC_DBG("Received a PRLI response, but in state %s\n",
fc_rport_state(rport));
+ if (IS_ERR(fp))
+ goto err;
goto out;
}
+ if (IS_ERR(fp)) {
+ fc_rport_error_retry(rport, fp);
+ goto err;
+ }
+
op = fc_frame_payload_op(fp);
if (op == ELS_LS_ACC) {
pp = fc_frame_payload_get(fp, sizeof(*pp));
@@ -646,6 +665,7 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp,
} else {
FC_DBG("Bad ELS response\n");
rdata->event = RPORT_EV_FAILED;
+ fc_rport_state_enter(rport, RPORT_ST_NONE);
queue_work(rport_event_queue, &rdata->event_work);
}
@@ -678,23 +698,26 @@ static void fc_rport_logo_resp(struct fc_seq *sp, struct fc_frame *fp,
FC_DEBUG_RPORT("Received a LOGO response from port (%6x)\n",
rport->port_id);
- if (IS_ERR(fp)) {
- fc_rport_error_retry(rport, fp);
- goto err;
- }
-
if (rdata->rp_state != RPORT_ST_LOGO) {
FC_DEBUG_RPORT("Received a LOGO response, but in state %s\n",
fc_rport_state(rport));
+ if (IS_ERR(fp))
+ goto err;
goto out;
}
+ if (IS_ERR(fp)) {
+ fc_rport_error_retry(rport, fp);
+ goto err;
+ }
+
op = fc_frame_payload_op(fp);
if (op == ELS_LS_ACC) {
fc_rport_enter_rtv(rport);
} else {
FC_DBG("Bad ELS response\n");
rdata->event = RPORT_EV_LOGO;
+ fc_rport_state_enter(rport, RPORT_ST_NONE);
queue_work(rport_event_queue, &rdata->event_work);
}
@@ -764,17 +787,19 @@ static void fc_rport_rtv_resp(struct fc_seq *sp, struct fc_frame *fp,
FC_DEBUG_RPORT("Received a RTV response from port (%6x)\n",
rport->port_id);
- if (IS_ERR(fp)) {
- fc_rport_error(rport, fp);
- goto err;
- }
-
if (rdata->rp_state != RPORT_ST_RTV) {
FC_DBG("Received a RTV response, but in state %s\n",
fc_rport_state(rport));
+ if (IS_ERR(fp))
+ goto err;
goto out;
}
+ if (IS_ERR(fp)) {
+ fc_rport_error(rport, fp);
+ goto err;
+ }
+
op = fc_frame_payload_op(fp);
if (op == ELS_LS_ACC) {
struct fc_els_rtv_acc *rtv;
@@ -1007,6 +1032,8 @@ static void fc_rport_recv_plogi_req(struct fc_rport *rport,
default:
FC_DEBUG_RPORT("incoming PLOGI from %x in unexpected "
"state %d\n", sid, rdata->rp_state);
+ fc_frame_free(fp);
+ return;
break;
}
@@ -1098,6 +1125,8 @@ static void fc_rport_recv_prli_req(struct fc_rport *rport,
reason = ELS_RJT_NONE;
break;
default:
+ fc_frame_free(rx_fp);
+ return;
break;
}
len = fr_len(rx_fp) - sizeof(*fh);
@@ -1227,6 +1256,11 @@ static void fc_rport_recv_prlo_req(struct fc_rport *rport, struct fc_seq *sp,
"while in state %s\n", ntoh24(fh->fh_s_id),
fc_rport_state(rport));
+ if (rdata->rp_state == RPORT_ST_NONE) {
+ fc_frame_free(fp);
+ return;
+ }
+
rjt_data.fp = NULL;
rjt_data.reason = ELS_RJT_UNAB;
rjt_data.explan = ELS_EXPL_NONE;
@@ -1256,7 +1290,13 @@ static void fc_rport_recv_logo_req(struct fc_rport *rport, struct fc_seq *sp,
"while in state %s\n", ntoh24(fh->fh_s_id),
fc_rport_state(rport));
+ if (rdata->rp_state == RPORT_ST_NONE) {
+ fc_frame_free(fp);
+ return;
+ }
+
rdata->event = RPORT_EV_LOGO;
+ fc_rport_state_enter(rport, RPORT_ST_NONE);
queue_work(rport_event_queue, &rdata->event_work);
lport->tt.seq_els_rsp_send(sp, ELS_LS_ACC, NULL);
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 689628359169..e72b4ad47d35 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1463,6 +1463,16 @@ int iscsi_change_queue_depth(struct scsi_device *sdev, int depth)
}
EXPORT_SYMBOL_GPL(iscsi_change_queue_depth);
+int iscsi_target_alloc(struct scsi_target *starget)
+{
+ struct iscsi_cls_session *cls_session = starget_to_session(starget);
+ struct iscsi_session *session = cls_session->dd_data;
+
+ starget->can_queue = session->scsi_cmds_max;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(iscsi_target_alloc);
+
void iscsi_session_recovery_timedout(struct iscsi_cls_session *cls_session)
{
struct iscsi_session *session = cls_session->dd_data;
diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c
index 91f8ce4d8d08..b579ca9f4836 100644
--- a/drivers/scsi/libiscsi_tcp.c
+++ b/drivers/scsi/libiscsi_tcp.c
@@ -1036,8 +1036,11 @@ flush:
rc = conn->session->tt->init_pdu(task, r2t->data_offset + r2t->sent,
r2t->data_count);
- if (rc)
+ if (rc) {
+ iscsi_conn_failure(conn, ISCSI_ERR_XMIT_FAILED);
return rc;
+ }
+
r2t->sent += r2t->data_count;
goto flush;
}
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index dcba267db711..1105f9a111ba 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -443,6 +443,7 @@ struct lpfc_hba {
uint32_t hba_flag; /* hba generic flags */
#define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */
+#define DEFER_ERATT 0x4 /* Deferred error attention in progress */
struct lpfc_dmabuf slim2p;
MAILBOX_t *mbox;
@@ -723,4 +724,3 @@ lpfc_sli_read_hs(struct lpfc_hba *phba)
return;
}
-
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 40cf0f4f327f..c14f0cbdb125 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -51,7 +51,7 @@
#define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8"
/**
- * lpfc_jedec_to_ascii: Hex to ascii convertor according to JEDEC rules.
+ * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules
* @incr: integer to convert.
* @hdw: ascii string holding converted integer plus a string terminator.
*
@@ -82,7 +82,7 @@ lpfc_jedec_to_ascii(int incr, char hdw[])
}
/**
- * lpfc_drvr_version_show: Return the Emulex driver string with version number.
+ * lpfc_drvr_version_show - Return the Emulex driver string with version number
* @dev: class unused variable.
* @attr: device attribute, not used.
* @buf: on return contains the module description text.
@@ -152,7 +152,7 @@ lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_info_show: Return some pci info about the host in ascii.
+ * lpfc_info_show - Return some pci info about the host in ascii
* @dev: class converted to a Scsi_host structure.
* @attr: device attribute, not used.
* @buf: on return contains the formatted text from lpfc_info().
@@ -169,7 +169,7 @@ lpfc_info_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_serialnum_show: Return the hba serial number in ascii.
+ * lpfc_serialnum_show - Return the hba serial number in ascii
* @dev: class converted to a Scsi_host structure.
* @attr: device attribute, not used.
* @buf: on return contains the formatted text serial number.
@@ -188,7 +188,7 @@ lpfc_serialnum_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_temp_sensor_show: Return the temperature sensor level.
+ * lpfc_temp_sensor_show - Return the temperature sensor level
* @dev: class converted to a Scsi_host structure.
* @attr: device attribute, not used.
* @buf: on return contains the formatted support level.
@@ -210,7 +210,7 @@ lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_modeldesc_show: Return the model description of the hba.
+ * lpfc_modeldesc_show - Return the model description of the hba
* @dev: class converted to a Scsi_host structure.
* @attr: device attribute, not used.
* @buf: on return contains the scsi vpd model description.
@@ -229,7 +229,7 @@ lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_modelname_show: Return the model name of the hba.
+ * lpfc_modelname_show - Return the model name of the hba
* @dev: class converted to a Scsi_host structure.
* @attr: device attribute, not used.
* @buf: on return contains the scsi vpd model name.
@@ -248,7 +248,7 @@ lpfc_modelname_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_programtype_show: Return the program type of the hba.
+ * lpfc_programtype_show - Return the program type of the hba
* @dev: class converted to a Scsi_host structure.
* @attr: device attribute, not used.
* @buf: on return contains the scsi vpd program type.
@@ -267,7 +267,7 @@ lpfc_programtype_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_mlomgmt_show: Return the Menlo Maintenance sli flag.
+ * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag
* @dev: class converted to a Scsi_host structure.
* @attr: device attribute, not used.
* @buf: on return contains the Menlo Maintenance sli flag.
@@ -286,7 +286,7 @@ lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf)
}
/**
- * lpfc_vportnum_show: Return the port number in ascii of the hba.
+ * lpfc_vportnum_show - Return the port number in ascii of the hba
* @dev: class converted to a Scsi_host structure.
* @attr: device attribute, not used.
* @buf: on return contains scsi vpd program type.
@@ -305,7 +305,7 @@ lpfc_vportnum_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_fwrev_show: Return the firmware rev running in the hba.
+ * lpfc_fwrev_show - Return the firmware rev running in the hba
* @dev: class converted to a Scsi_host structure.
* @attr: device attribute, not used.
* @buf: on return contains the scsi vpd program type.
@@ -326,7 +326,7 @@ lpfc_fwrev_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_hdw_show: Return the jedec information about the hba.
+ * lpfc_hdw_show - Return the jedec information about the hba
* @dev: class converted to a Scsi_host structure.
* @attr: device attribute, not used.
* @buf: on return contains the scsi vpd program type.
@@ -347,7 +347,7 @@ lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf)
}
/**
- * lpfc_option_rom_version_show: Return the adapter ROM FCode version.
+ * lpfc_option_rom_version_show - Return the adapter ROM FCode version
* @dev: class converted to a Scsi_host structure.
* @attr: device attribute, not used.
* @buf: on return contains the ROM and FCode ascii strings.
@@ -366,7 +366,7 @@ lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_state_show: Return the link state of the port.
+ * lpfc_state_show - Return the link state of the port
* @dev: class converted to a Scsi_host structure.
* @attr: device attribute, not used.
* @buf: on return contains text describing the state of the link.
@@ -451,7 +451,7 @@ lpfc_link_state_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_num_discovered_ports_show: Return sum of mapped and unmapped vports.
+ * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
* @buf: on return contains the sum of fc mapped and unmapped.
@@ -474,7 +474,7 @@ lpfc_num_discovered_ports_show(struct device *dev,
}
/**
- * lpfc_issue_lip: Misnomer, name carried over from long ago.
+ * lpfc_issue_lip - Misnomer, name carried over from long ago
* @shost: Scsi_Host pointer.
*
* Description:
@@ -529,7 +529,7 @@ lpfc_issue_lip(struct Scsi_Host *shost)
}
/**
- * lpfc_do_offline: Issues a mailbox command to bring the link down.
+ * lpfc_do_offline - Issues a mailbox command to bring the link down
* @phba: lpfc_hba pointer.
* @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL.
*
@@ -537,7 +537,7 @@ lpfc_issue_lip(struct Scsi_Host *shost)
* Assumes any error from lpfc_do_offline() will be negative.
* Can wait up to 5 seconds for the port ring buffers count
* to reach zero, prints a warning if it is not zero and continues.
- * lpfc_workq_post_event() returns a non-zero return coce if call fails.
+ * lpfc_workq_post_event() returns a non-zero return code if call fails.
*
* Returns:
* -EIO error posting the event
@@ -591,7 +591,7 @@ lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
}
/**
- * lpfc_selective_reset: Offline then onlines the port.
+ * lpfc_selective_reset - Offline then onlines the port
* @phba: lpfc_hba pointer.
*
* Description:
@@ -632,7 +632,7 @@ lpfc_selective_reset(struct lpfc_hba *phba)
}
/**
- * lpfc_issue_reset: Selectively resets an adapter.
+ * lpfc_issue_reset - Selectively resets an adapter
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
* @buf: containing the string "selective".
@@ -672,7 +672,7 @@ lpfc_issue_reset(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_nport_evt_cnt_show: Return the number of nport events.
+ * lpfc_nport_evt_cnt_show - Return the number of nport events
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
* @buf: on return contains the ascii number of nport events.
@@ -691,7 +691,7 @@ lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_board_mode_show: Return the state of the board.
+ * lpfc_board_mode_show - Return the state of the board
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
* @buf: on return contains the state of the adapter.
@@ -720,7 +720,7 @@ lpfc_board_mode_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_board_mode_store: Puts the hba in online, offline, warm or error state.
+ * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
* @buf: containing one of the strings "online", "offline", "warm" or "error".
@@ -766,14 +766,14 @@ lpfc_board_mode_store(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_get_hba_info: Return various bits of informaton about the adapter.
+ * lpfc_get_hba_info - Return various bits of informaton about the adapter
* @phba: pointer to the adapter structure.
- * @mxri max xri count.
- * @axri available xri count.
- * @mrpi max rpi count.
- * @arpi available rpi count.
- * @mvpi max vpi count.
- * @avpi available vpi count.
+ * @mxri: max xri count.
+ * @axri: available xri count.
+ * @mrpi: max rpi count.
+ * @arpi: available rpi count.
+ * @mvpi: max vpi count.
+ * @avpi: available vpi count.
*
* Description:
* If an integer pointer for an count is not null then the value for the
@@ -846,7 +846,7 @@ lpfc_get_hba_info(struct lpfc_hba *phba,
}
/**
- * lpfc_max_rpi_show: Return maximum rpi.
+ * lpfc_max_rpi_show - Return maximum rpi
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
* @buf: on return contains the maximum rpi count in decimal or "Unknown".
@@ -874,7 +874,7 @@ lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_used_rpi_show: Return maximum rpi minus available rpi.
+ * lpfc_used_rpi_show - Return maximum rpi minus available rpi
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
* @buf: containing the used rpi count in decimal or "Unknown".
@@ -902,7 +902,7 @@ lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_max_xri_show: Return maximum xri.
+ * lpfc_max_xri_show - Return maximum xri
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
* @buf: on return contains the maximum xri count in decimal or "Unknown".
@@ -930,7 +930,7 @@ lpfc_max_xri_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_used_xri_show: Return maximum xpi minus the available xpi.
+ * lpfc_used_xri_show - Return maximum xpi minus the available xpi
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
* @buf: on return contains the used xri count in decimal or "Unknown".
@@ -958,7 +958,7 @@ lpfc_used_xri_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_max_vpi_show: Return maximum vpi.
+ * lpfc_max_vpi_show - Return maximum vpi
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
* @buf: on return contains the maximum vpi count in decimal or "Unknown".
@@ -986,7 +986,7 @@ lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_used_vpi_show: Return maximum vpi minus the available vpi.
+ * lpfc_used_vpi_show - Return maximum vpi minus the available vpi
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
* @buf: on return contains the used vpi count in decimal or "Unknown".
@@ -1014,7 +1014,7 @@ lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_npiv_info_show: Return text about NPIV support for the adapter.
+ * lpfc_npiv_info_show - Return text about NPIV support for the adapter
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
* @buf: text that must be interpreted to determine if npiv is supported.
@@ -1042,7 +1042,7 @@ lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_poll_show: Return text about poll support for the adapter.
+ * lpfc_poll_show - Return text about poll support for the adapter
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
* @buf: on return contains the cfg_poll in hex.
@@ -1064,7 +1064,7 @@ lpfc_poll_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_poll_store: Set the value of cfg_poll for the adapter.
+ * lpfc_poll_store - Set the value of cfg_poll for the adapter
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
* @buf: one or more lpfc_polling_flags values.
@@ -1136,7 +1136,7 @@ lpfc_poll_store(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_param_show: Return a cfg attribute value in decimal.
+ * lpfc_param_show - Return a cfg attribute value in decimal
*
* Description:
* Macro that given an attr e.g. hba_queue_depth expands
@@ -1164,7 +1164,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
}
/**
- * lpfc_param_hex_show: Return a cfg attribute value in hex.
+ * lpfc_param_hex_show - Return a cfg attribute value in hex
*
* Description:
* Macro that given an attr e.g. hba_queue_depth expands
@@ -1173,7 +1173,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
* lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field.
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
- * @buf: on return contains the attribute value in hexidecimal.
+ * @buf: on return contains the attribute value in hexadecimal.
*
* Returns: size of formatted string.
**/
@@ -1192,7 +1192,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
}
/**
- * lpfc_param_init: Intializes a cfg attribute.
+ * lpfc_param_init - Intializes a cfg attribute
*
* Description:
* Macro that given an attr e.g. hba_queue_depth expands
@@ -1226,7 +1226,7 @@ lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
}
/**
- * lpfc_param_set: Set a cfg attribute value.
+ * lpfc_param_set - Set a cfg attribute value
*
* Description:
* Macro that given an attr e.g. hba_queue_depth expands
@@ -1260,7 +1260,7 @@ lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
}
/**
- * lpfc_param_store: Set a vport attribute value.
+ * lpfc_param_store - Set a vport attribute value
*
* Description:
* Macro that given an attr e.g. hba_queue_depth expands
@@ -1300,7 +1300,7 @@ lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
}
/**
- * lpfc_vport_param_show: Return decimal formatted cfg attribute value.
+ * lpfc_vport_param_show - Return decimal formatted cfg attribute value
*
* Description:
* Macro that given an attr e.g. hba_queue_depth expands
@@ -1326,17 +1326,17 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
}
/**
- * lpfc_vport_param_hex_show: Return hex formatted attribute value.
+ * lpfc_vport_param_hex_show - Return hex formatted attribute value
*
* Description:
* Macro that given an attr e.g.
* hba_queue_depth expands into a function with the name
* lpfc_hba_queue_depth_show
*
- * lpfc_##attr##_show: prints the attribute value in hexidecimal.
+ * lpfc_##attr##_show: prints the attribute value in hexadecimal.
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
- * @buf: on return contains the attribute value in hexidecimal.
+ * @buf: on return contains the attribute value in hexadecimal.
*
* Returns: length of formatted string.
**/
@@ -1353,7 +1353,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
}
/**
- * lpfc_vport_param_init: Initialize a vport cfg attribute.
+ * lpfc_vport_param_init - Initialize a vport cfg attribute
*
* Description:
* Macro that given an attr e.g. hba_queue_depth expands
@@ -1386,7 +1386,7 @@ lpfc_##attr##_init(struct lpfc_vport *vport, int val) \
}
/**
- * lpfc_vport_param_set: Set a vport cfg attribute.
+ * lpfc_vport_param_set - Set a vport cfg attribute
*
* Description:
* Macro that given an attr e.g. hba_queue_depth expands
@@ -1417,7 +1417,7 @@ lpfc_##attr##_set(struct lpfc_vport *vport, int val) \
}
/**
- * lpfc_vport_param_store: Set a vport attribute.
+ * lpfc_vport_param_store - Set a vport attribute
*
* Description:
* Macro that given an attr e.g. hba_queue_depth
@@ -1576,7 +1576,7 @@ static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL);
static char *lpfc_soft_wwn_key = "C99G71SL8032A";
/**
- * lpfc_soft_wwn_enable_store: Allows setting of the wwn if the key is valid.
+ * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
* @buf: containing the string lpfc_soft_wwn_key.
@@ -1623,10 +1623,10 @@ static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL,
lpfc_soft_wwn_enable_store);
/**
- * lpfc_soft_wwpn_show: Return the cfg soft ww port name of the adapter.
+ * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
- * @buf: on return contains the wwpn in hexidecimal.
+ * @buf: on return contains the wwpn in hexadecimal.
*
* Returns: size of formatted string.
**/
@@ -1643,10 +1643,10 @@ lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_soft_wwpn_store: Set the ww port name of the adapter.
+ * lpfc_soft_wwpn_store - Set the ww port name of the adapter
* @dev class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
- * @buf: contains the wwpn in hexidecimal.
+ * @buf: contains the wwpn in hexadecimal.
* @count: number of wwpn bytes in buf
*
* Returns:
@@ -1729,10 +1729,10 @@ static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
/**
- * lpfc_soft_wwnn_show: Return the cfg soft ww node name for the adapter.
+ * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
- * @buf: on return contains the wwnn in hexidecimal.
+ * @buf: on return contains the wwnn in hexadecimal.
*
* Returns: size of formatted string.
**/
@@ -1747,9 +1747,9 @@ lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_soft_wwnn_store: sets the ww node name of the adapter.
+ * lpfc_soft_wwnn_store - sets the ww node name of the adapter
* @cdev: class device that is converted into a Scsi_host.
- * @buf: contains the ww node name in hexidecimal.
+ * @buf: contains the ww node name in hexadecimal.
* @count: number of wwnn bytes in buf.
*
* Returns:
@@ -1845,7 +1845,7 @@ MODULE_PARM_DESC(lpfc_nodev_tmo,
"for a device to come back");
/**
- * lpfc_nodev_tmo_show: Return the hba dev loss timeout value.
+ * lpfc_nodev_tmo_show - Return the hba dev loss timeout value
* @dev: class converted to a Scsi_host structure.
* @attr: device attribute, not used.
* @buf: on return contains the dev loss timeout in decimal.
@@ -1864,7 +1864,7 @@ lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr,
}
/**
- * lpfc_nodev_tmo_init: Set the hba nodev timeout value.
+ * lpfc_nodev_tmo_init - Set the hba nodev timeout value
* @vport: lpfc vport structure pointer.
* @val: contains the nodev timeout value.
*
@@ -1905,7 +1905,7 @@ lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val)
}
/**
- * lpfc_update_rport_devloss_tmo: Update dev loss tmo value.
+ * lpfc_update_rport_devloss_tmo - Update dev loss tmo value
* @vport: lpfc vport structure pointer.
*
* Description:
@@ -1926,7 +1926,7 @@ lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport)
}
/**
- * lpfc_nodev_tmo_set: Set the vport nodev tmo and devloss tmo values.
+ * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values
* @vport: lpfc vport structure pointer.
* @val: contains the tmo value.
*
@@ -1982,7 +1982,7 @@ lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
lpfc_vport_param_show(devloss_tmo)
/**
- * lpfc_devloss_tmo_set: Sets vport nodev tmo, devloss tmo values, changed bit.
+ * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit
* @vport: lpfc vport structure pointer.
* @val: contains the tmo value.
*
@@ -2094,7 +2094,7 @@ MODULE_PARM_DESC(lpfc_restrict_login,
lpfc_vport_param_show(restrict_login);
/**
- * lpfc_restrict_login_init: Set the vport restrict login flag.
+ * lpfc_restrict_login_init - Set the vport restrict login flag
* @vport: lpfc vport structure pointer.
* @val: contains the restrict login value.
*
@@ -2128,7 +2128,7 @@ lpfc_restrict_login_init(struct lpfc_vport *vport, int val)
}
/**
- * lpfc_restrict_login_set: Set the vport restrict login flag.
+ * lpfc_restrict_login_set - Set the vport restrict login flag
* @vport: lpfc vport structure pointer.
* @val: contains the restrict login value.
*
@@ -2201,7 +2201,7 @@ LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1,
*/
/**
- * lpfc_topology_set: Set the adapters topology field.
+ * lpfc_topology_set - Set the adapters topology field
* @phba: lpfc_hba pointer.
* @val: topology value.
*
@@ -2216,18 +2216,41 @@ LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1,
* non-zero return value from lpfc_issue_lip()
* -EINVAL val out of range
**/
-static int
-lpfc_topology_set(struct lpfc_hba *phba, int val)
+static ssize_t
+lpfc_topology_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ int val = 0;
+ int nolip = 0;
+ const char *val_buf = buf;
int err;
uint32_t prev_val;
+
+ if (!strncmp(buf, "nolip ", strlen("nolip "))) {
+ nolip = 1;
+ val_buf = &buf[strlen("nolip ")];
+ }
+
+ if (!isdigit(val_buf[0]))
+ return -EINVAL;
+ if (sscanf(val_buf, "%i", &val) != 1)
+ return -EINVAL;
+
if (val >= 0 && val <= 6) {
prev_val = phba->cfg_topology;
phba->cfg_topology = val;
+ if (nolip)
+ return strlen(buf);
+
err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport));
- if (err)
+ if (err) {
phba->cfg_topology = prev_val;
- return err;
+ return -EINVAL;
+ } else
+ return strlen(buf);
}
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"%d:0467 lpfc_topology attribute cannot be set to %d, "
@@ -2240,14 +2263,12 @@ module_param(lpfc_topology, int, 0);
MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology");
lpfc_param_show(topology)
lpfc_param_init(topology, 0, 0, 6)
-lpfc_param_store(topology)
static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR,
lpfc_topology_show, lpfc_topology_store);
/**
- * lpfc_stat_data_ctrl_store: write call back for lpfc_stat_data_ctrl
- * sysfs file.
+ * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file
* @dev: Pointer to class device.
* @buf: Data buffer.
* @count: Size of the data buffer.
@@ -2282,7 +2303,7 @@ lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr,
unsigned long base, step, bucket_type;
if (!strncmp(buf, "setbucket", strlen("setbucket"))) {
- if (strlen(buf) > LPFC_MAX_DATA_CTRL_LEN)
+ if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1))
return -EINVAL;
strcpy(bucket_data, buf);
@@ -2411,8 +2432,7 @@ lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr,
/**
- * lpfc_stat_data_ctrl_show: Read callback function for
- * lpfc_stat_data_ctrl sysfs file.
+ * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file
* @dev: Pointer to class device object.
* @buf: Data buffer.
*
@@ -2489,8 +2509,7 @@ static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR,
/**
- * sysfs_drvr_stat_data_read: Read callback function for lpfc_drvr_stat_data
- * sysfs attribute.
+ * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute
* @kobj: Pointer to the kernel object
* @bin_attr: Attribute object
* @buff: Buffer pointer
@@ -2585,7 +2604,7 @@ static struct bin_attribute sysfs_drvr_stat_data_attr = {
*/
/**
- * lpfc_link_speed_set: Set the adapters link speed.
+ * lpfc_link_speed_set - Set the adapters link speed
* @phba: lpfc_hba pointer.
* @val: link speed value.
*
@@ -2601,12 +2620,29 @@ static struct bin_attribute sysfs_drvr_stat_data_attr = {
* non-zero return value from lpfc_issue_lip()
* -EINVAL val out of range
**/
-static int
-lpfc_link_speed_set(struct lpfc_hba *phba, int val)
+static ssize_t
+lpfc_link_speed_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ int val = 0;
+ int nolip = 0;
+ const char *val_buf = buf;
int err;
uint32_t prev_val;
+ if (!strncmp(buf, "nolip ", strlen("nolip "))) {
+ nolip = 1;
+ val_buf = &buf[strlen("nolip ")];
+ }
+
+ if (!isdigit(val_buf[0]))
+ return -EINVAL;
+ if (sscanf(val_buf, "%i", &val) != 1)
+ return -EINVAL;
+
if (((val == LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) ||
((val == LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) ||
((val == LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) ||
@@ -2614,14 +2650,19 @@ lpfc_link_speed_set(struct lpfc_hba *phba, int val)
((val == LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb)))
return -EINVAL;
- if ((val >= 0 && val <= LPFC_MAX_LINK_SPEED)
+ if ((val >= 0 && val <= 8)
&& (LPFC_LINK_SPEED_BITMAP & (1 << val))) {
prev_val = phba->cfg_link_speed;
phba->cfg_link_speed = val;
+ if (nolip)
+ return strlen(buf);
+
err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport));
- if (err)
+ if (err) {
phba->cfg_link_speed = prev_val;
- return err;
+ return -EINVAL;
+ } else
+ return strlen(buf);
}
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
@@ -2637,7 +2678,7 @@ MODULE_PARM_DESC(lpfc_link_speed, "Select link speed");
lpfc_param_show(link_speed)
/**
- * lpfc_link_speed_init: Set the adapters link speed.
+ * lpfc_link_speed_init - Set the adapters link speed
* @phba: lpfc_hba pointer.
* @val: link speed value.
*
@@ -2668,7 +2709,6 @@ lpfc_link_speed_init(struct lpfc_hba *phba, int val)
return -EINVAL;
}
-lpfc_param_store(link_speed)
static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR,
lpfc_link_speed_show, lpfc_link_speed_store);
@@ -2865,7 +2905,7 @@ MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type");
/*
- * lpfc_sg_seg_cnt: Initial Maximum DMA Segment Count
+ * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count
* This value can be set to values between 64 and 256. The default value is
* 64, but may be increased to allow for larger Max I/O sizes. The scsi layer
* will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE).
@@ -2967,7 +3007,7 @@ struct device_attribute *lpfc_vport_attrs[] = {
};
/**
- * sysfs_ctlreg_write: Write method for writing to ctlreg.
+ * sysfs_ctlreg_write - Write method for writing to ctlreg
* @kobj: kernel kobject that contains the kernel class device.
* @bin_attr: kernel attributes passed to us.
* @buf: contains the data to be written to the adapter IOREG space.
@@ -3017,7 +3057,7 @@ sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr,
}
/**
- * sysfs_ctlreg_read: Read method for reading from ctlreg.
+ * sysfs_ctlreg_read - Read method for reading from ctlreg
* @kobj: kernel kobject that contains the kernel class device.
* @bin_attr: kernel attributes passed to us.
* @buf: if succesful contains the data from the adapter IOREG space.
@@ -3078,7 +3118,7 @@ static struct bin_attribute sysfs_ctlreg_attr = {
};
/**
- * sysfs_mbox_idle: frees the sysfs mailbox.
+ * sysfs_mbox_idle - frees the sysfs mailbox
* @phba: lpfc_hba pointer
**/
static void
@@ -3095,7 +3135,7 @@ sysfs_mbox_idle(struct lpfc_hba *phba)
}
/**
- * sysfs_mbox_write: Write method for writing information via mbox.
+ * sysfs_mbox_write - Write method for writing information via mbox
* @kobj: kernel kobject that contains the kernel class device.
* @bin_attr: kernel attributes passed to us.
* @buf: contains the data to be written to sysfs mbox.
@@ -3170,7 +3210,7 @@ sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr,
}
/**
- * sysfs_mbox_read: Read method for reading information via mbox.
+ * sysfs_mbox_read - Read method for reading information via mbox
* @kobj: kernel kobject that contains the kernel class device.
* @bin_attr: kernel attributes passed to us.
* @buf: contains the data to be read from sysfs mbox.
@@ -3374,7 +3414,7 @@ static struct bin_attribute sysfs_mbox_attr = {
};
/**
- * lpfc_alloc_sysfs_attr: Creates the ctlreg and mbox entries.
+ * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries
* @vport: address of lpfc vport structure.
*
* Return codes:
@@ -3415,7 +3455,7 @@ out:
}
/**
- * lpfc_free_sysfs_attr: Removes the ctlreg and mbox entries.
+ * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries
* @vport: address of lpfc vport structure.
**/
void
@@ -3437,7 +3477,7 @@ lpfc_free_sysfs_attr(struct lpfc_vport *vport)
*/
/**
- * lpfc_get_host_port_id: Copy the vport DID into the scsi host port id.
+ * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id
* @shost: kernel scsi host pointer.
**/
static void
@@ -3450,7 +3490,7 @@ lpfc_get_host_port_id(struct Scsi_Host *shost)
}
/**
- * lpfc_get_host_port_type: Set the value of the scsi host port type.
+ * lpfc_get_host_port_type - Set the value of the scsi host port type
* @shost: kernel scsi host pointer.
**/
static void
@@ -3482,7 +3522,7 @@ lpfc_get_host_port_type(struct Scsi_Host *shost)
}
/**
- * lpfc_get_host_port_state: Set the value of the scsi host port state.
+ * lpfc_get_host_port_state - Set the value of the scsi host port state
* @shost: kernel scsi host pointer.
**/
static void
@@ -3520,7 +3560,7 @@ lpfc_get_host_port_state(struct Scsi_Host *shost)
}
/**
- * lpfc_get_host_speed: Set the value of the scsi host speed.
+ * lpfc_get_host_speed - Set the value of the scsi host speed
* @shost: kernel scsi host pointer.
**/
static void
@@ -3556,7 +3596,7 @@ lpfc_get_host_speed(struct Scsi_Host *shost)
}
/**
- * lpfc_get_host_fabric_name: Set the value of the scsi host fabric name.
+ * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name
* @shost: kernel scsi host pointer.
**/
static void
@@ -3582,7 +3622,7 @@ lpfc_get_host_fabric_name (struct Scsi_Host *shost)
}
/**
- * lpfc_get_stats: Return statistical information about the adapter.
+ * lpfc_get_stats - Return statistical information about the adapter
* @shost: kernel scsi host pointer.
*
* Notes:
@@ -3707,7 +3747,7 @@ lpfc_get_stats(struct Scsi_Host *shost)
}
/**
- * lpfc_reset_stats: Copy the adapter link stats information.
+ * lpfc_reset_stats - Copy the adapter link stats information
* @shost: kernel scsi host pointer.
**/
static void
@@ -3788,7 +3828,7 @@ lpfc_reset_stats(struct Scsi_Host *shost)
*/
/**
- * lpfc_get_node_by_target: Return the nodelist for a target.
+ * lpfc_get_node_by_target - Return the nodelist for a target
* @starget: kernel scsi target pointer.
*
* Returns:
@@ -3817,7 +3857,7 @@ lpfc_get_node_by_target(struct scsi_target *starget)
}
/**
- * lpfc_get_starget_port_id: Set the target port id to the ndlp DID or -1.
+ * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1
* @starget: kernel scsi target pointer.
**/
static void
@@ -3829,7 +3869,7 @@ lpfc_get_starget_port_id(struct scsi_target *starget)
}
/**
- * lpfc_get_starget_node_name: Set the target node name.
+ * lpfc_get_starget_node_name - Set the target node name
* @starget: kernel scsi target pointer.
*
* Description: Set the target node name to the ndlp node name wwn or zero.
@@ -3844,7 +3884,7 @@ lpfc_get_starget_node_name(struct scsi_target *starget)
}
/**
- * lpfc_get_starget_port_name: Set the target port name.
+ * lpfc_get_starget_port_name - Set the target port name
* @starget: kernel scsi target pointer.
*
* Description: set the target port name to the ndlp port name wwn or zero.
@@ -3859,7 +3899,7 @@ lpfc_get_starget_port_name(struct scsi_target *starget)
}
/**
- * lpfc_set_rport_loss_tmo: Set the rport dev loss tmo.
+ * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo
* @rport: fc rport address.
* @timeout: new value for dev loss tmo.
*
@@ -3877,7 +3917,7 @@ lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
}
/**
- * lpfc_rport_show_function: Return rport target information.
+ * lpfc_rport_show_function - Return rport target information
*
* Description:
* Macro that uses field to generate a function with the name lpfc_show_rport_
@@ -3905,7 +3945,7 @@ lpfc_show_rport_##field (struct device *dev, \
static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
/**
- * lpfc_set_vport_symbolic_name: Set the vport's symbolic name.
+ * lpfc_set_vport_symbolic_name - Set the vport's symbolic name
* @fc_vport: The fc_vport who's symbolic name has been changed.
*
* Description:
@@ -4048,7 +4088,7 @@ struct fc_function_template lpfc_vport_transport_functions = {
};
/**
- * lpfc_get_cfgparam: Used during probe_one to init the adapter structure.
+ * lpfc_get_cfgparam - Used during probe_one to init the adapter structure
* @phba: lpfc_hba pointer.
**/
void
@@ -4097,7 +4137,7 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
}
/**
- * lpfc_get_vport_cfgparam: Used during port create, init the vport structure.
+ * lpfc_get_vport_cfgparam - Used during port create, init the vport structure
* @vport: lpfc_vport pointer.
**/
void
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 07f4976319a5..f88ce3f26190 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -184,6 +184,8 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *);
struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *);
uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *);
+void lpfc_sli_cancel_iocbs(struct lpfc_hba *, struct list_head *, uint32_t,
+ uint32_t);
void lpfc_reset_barrier(struct lpfc_hba * phba);
int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index 81cdcf46c471..52be5644e07a 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -47,7 +47,7 @@
#include "lpfc_debugfs.h"
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
-/**
+/*
* debugfs interface
*
* To access this interface the user should:
@@ -95,7 +95,7 @@ module_param(lpfc_debugfs_max_slow_ring_trc, int, 0);
MODULE_PARM_DESC(lpfc_debugfs_max_slow_ring_trc,
"Set debugfs slow ring trace depth");
-int lpfc_debugfs_mask_disc_trc;
+static int lpfc_debugfs_mask_disc_trc;
module_param(lpfc_debugfs_mask_disc_trc, int, 0);
MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc,
"Set debugfs discovery trace mask");
@@ -127,7 +127,7 @@ static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0);
static unsigned long lpfc_debugfs_start_time = 0L;
/**
- * lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer.
+ * lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer
* @vport: The vport to gather the log info from.
* @buf: The buffer to dump log into.
* @size: The maximum amount of data to process.
@@ -187,7 +187,7 @@ lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size)
}
/**
- * lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer.
+ * lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer
* @phba: The HBA to gather the log info from.
* @buf: The buffer to dump log into.
* @size: The maximum amount of data to process.
@@ -250,7 +250,7 @@ lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size)
static int lpfc_debugfs_last_hbq = -1;
/**
- * lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer.
+ * lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer
* @phba: The HBA to gather host buffer info from.
* @buf: The buffer to dump log into.
* @size: The maximum amount of data to process.
@@ -369,7 +369,7 @@ skipit:
static int lpfc_debugfs_last_hba_slim_off;
/**
- * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer.
+ * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer
* @phba: The HBA to gather SLIM info from.
* @buf: The buffer to dump log into.
* @size: The maximum amount of data to process.
@@ -399,8 +399,7 @@ lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size)
len += snprintf(buf+len, size-len, "HBA SLIM\n");
lpfc_memcpy_from_slim(buffer,
- ((uint8_t *)phba->MBslimaddr) + lpfc_debugfs_last_hba_slim_off,
- 1024);
+ phba->MBslimaddr + lpfc_debugfs_last_hba_slim_off, 1024);
ptr = (uint32_t *)&buffer[0];
off = lpfc_debugfs_last_hba_slim_off;
@@ -426,7 +425,7 @@ lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size)
}
/**
- * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer.
+ * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer
* @phba: The HBA to gather Host SLIM info from.
* @buf: The buffer to dump log into.
* @size: The maximum amount of data to process.
@@ -501,7 +500,7 @@ lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size)
}
/**
- * lpfc_debugfs_nodelist_data - Dump target node list to a buffer.
+ * lpfc_debugfs_nodelist_data - Dump target node list to a buffer
* @vport: The vport to gather target node info from.
* @buf: The buffer to dump log into.
* @size: The maximum amount of data to process.
@@ -599,7 +598,7 @@ lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size)
#endif
/**
- * lpfc_debugfs_disc_trc - Store discovery trace log.
+ * lpfc_debugfs_disc_trc - Store discovery trace log
* @vport: The vport to associate this trace string with for retrieval.
* @mask: Log entry classification.
* @fmt: Format string to be displayed when dumping the log.
@@ -643,7 +642,7 @@ lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt,
}
/**
- * lpfc_debugfs_slow_ring_trc - Store slow ring trace log.
+ * lpfc_debugfs_slow_ring_trc - Store slow ring trace log
* @phba: The phba to associate this trace string with for retrieval.
* @fmt: Format string to be displayed when dumping the log.
* @data1: 1st data parameter to be applied to @fmt.
@@ -682,7 +681,7 @@ lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt,
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
/**
- * lpfc_debugfs_disc_trc_open - Open the discovery trace log.
+ * lpfc_debugfs_disc_trc_open - Open the discovery trace log
* @inode: The inode pointer that contains a vport pointer.
* @file: The file pointer to attach the log output.
*
@@ -732,7 +731,7 @@ out:
}
/**
- * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log.
+ * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log
* @inode: The inode pointer that contains a vport pointer.
* @file: The file pointer to attach the log output.
*
@@ -782,7 +781,7 @@ out:
}
/**
- * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer.
+ * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer
* @inode: The inode pointer that contains a vport pointer.
* @file: The file pointer to attach the log output.
*
@@ -824,7 +823,7 @@ out:
}
/**
- * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer.
+ * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer
* @inode: The inode pointer that contains a vport pointer.
* @file: The file pointer to attach the log output.
*
@@ -866,7 +865,7 @@ out:
}
/**
- * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer.
+ * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer
* @inode: The inode pointer that contains a vport pointer.
* @file: The file pointer to attach the log output.
*
@@ -993,7 +992,7 @@ lpfc_debugfs_dumpDataDif_write(struct file *file, const char __user *buf,
/**
- * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file.
+ * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file
* @inode: The inode pointer that contains a vport pointer.
* @file: The file pointer to attach the log output.
*
@@ -1035,7 +1034,7 @@ out:
}
/**
- * lpfc_debugfs_lseek - Seek through a debugfs file.
+ * lpfc_debugfs_lseek - Seek through a debugfs file
* @file: The file pointer to seek through.
* @off: The offset to seek to or the amount to seek by.
* @whence: Indicates how to seek.
@@ -1073,7 +1072,7 @@ lpfc_debugfs_lseek(struct file *file, loff_t off, int whence)
}
/**
- * lpfc_debugfs_read - Read a debugfs file.
+ * lpfc_debugfs_read - Read a debugfs file
* @file: The file pointer to read from.
* @buf: The buffer to copy the data to.
* @nbytes: The number of bytes to read.
@@ -1098,7 +1097,7 @@ lpfc_debugfs_read(struct file *file, char __user *buf,
}
/**
- * lpfc_debugfs_release - Release the buffer used to store debugfs file data.
+ * lpfc_debugfs_release - Release the buffer used to store debugfs file data
* @inode: The inode pointer that contains a vport pointer. (unused)
* @file: The file pointer that contains the buffer to release.
*
@@ -1210,7 +1209,7 @@ static atomic_t lpfc_debugfs_hba_count;
#endif
/**
- * lpfc_debugfs_initialize - Initialize debugfs for a vport.
+ * lpfc_debugfs_initialize - Initialize debugfs for a vport
* @vport: The vport pointer to initialize.
*
* Description:
@@ -1434,7 +1433,7 @@ debug_failed:
}
/**
- * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport.
+ * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport
* @vport: The vport pointer to remove from debugfs.
*
* Description:
diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h
index f29e548a90d1..ffd108972072 100644
--- a/drivers/scsi/lpfc/lpfc_disc.h
+++ b/drivers/scsi/lpfc/lpfc_disc.h
@@ -99,6 +99,7 @@ struct lpfc_nodelist {
#define NLP_USG_FREE_ACK_BIT 0x8 /* Indicate ndlp memory free invoked */
struct timer_list nlp_delayfunc; /* Used for delayed ELS cmds */
+ struct lpfc_hba *phba;
struct fc_rport *rport; /* Corresponding FC transport
port structure */
struct lpfc_vport *vport;
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index a7302480bc4a..b8b34cf5c3d2 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -55,7 +55,7 @@ static void lpfc_register_new_vport(struct lpfc_hba *phba,
static int lpfc_max_els_tries = 3;
/**
- * lpfc_els_chk_latt: Check host link attention event for a vport.
+ * lpfc_els_chk_latt - Check host link attention event for a vport
* @vport: pointer to a host virtual N_Port data structure.
*
* This routine checks whether there is an outstanding host link
@@ -116,7 +116,7 @@ lpfc_els_chk_latt(struct lpfc_vport *vport)
}
/**
- * lpfc_prep_els_iocb: Allocate and prepare a lpfc iocb data structure.
+ * lpfc_prep_els_iocb - Allocate and prepare a lpfc iocb data structure
* @vport: pointer to a host virtual N_Port data structure.
* @expectRsp: flag indicating whether response is expected.
* @cmdSize: size of the ELS command.
@@ -290,7 +290,7 @@ els_iocb_free_pcmb_exit:
}
/**
- * lpfc_issue_fabric_reglogin: Issue fabric registration login for a vport.
+ * lpfc_issue_fabric_reglogin - Issue fabric registration login for a vport
* @vport: pointer to a host virtual N_Port data structure.
*
* This routine issues a fabric registration login for a @vport. An
@@ -386,7 +386,7 @@ fail:
}
/**
- * lpfc_cmpl_els_flogi_fabric: Completion function for flogi to a fabric port.
+ * lpfc_cmpl_els_flogi_fabric - Completion function for flogi to a fabric port
* @vport: pointer to a host virtual N_Port data structure.
* @ndlp: pointer to a node-list data structure.
* @sp: pointer to service parameter data structure.
@@ -509,7 +509,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
}
/**
- * lpfc_cmpl_els_flogi_nport: Completion function for flogi to an N_Port.
+ * lpfc_cmpl_els_flogi_nport - Completion function for flogi to an N_Port
* @vport: pointer to a host virtual N_Port data structure.
* @ndlp: pointer to a node-list data structure.
* @sp: pointer to service parameter data structure.
@@ -626,7 +626,7 @@ fail:
}
/**
- * lpfc_cmpl_els_flogi: Completion callback function for flogi.
+ * lpfc_cmpl_els_flogi - Completion callback function for flogi
* @phba: pointer to lpfc hba data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @rspiocb: pointer to lpfc response iocb data structure.
@@ -751,7 +751,7 @@ out:
}
/**
- * lpfc_issue_els_flogi: Issue an flogi iocb command for a vport.
+ * lpfc_issue_els_flogi - Issue an flogi iocb command for a vport
* @vport: pointer to a host virtual N_Port data structure.
* @ndlp: pointer to a node-list data structure.
* @retry: number of retries to the command IOCB.
@@ -849,7 +849,7 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
}
/**
- * lpfc_els_abort_flogi: Abort all outstanding flogi iocbs.
+ * lpfc_els_abort_flogi - Abort all outstanding flogi iocbs
* @phba: pointer to lpfc hba data structure.
*
* This routine aborts all the outstanding Fabric Login (FLOGI) IOCBs
@@ -898,7 +898,7 @@ lpfc_els_abort_flogi(struct lpfc_hba *phba)
}
/**
- * lpfc_initial_flogi: Issue an initial fabric login for a vport.
+ * lpfc_initial_flogi - Issue an initial fabric login for a vport
* @vport: pointer to a host virtual N_Port data structure.
*
* This routine issues an initial Fabric Login (FLOGI) for the @vport
@@ -949,7 +949,7 @@ lpfc_initial_flogi(struct lpfc_vport *vport)
}
/**
- * lpfc_initial_fdisc: Issue an initial fabric discovery for a vport.
+ * lpfc_initial_fdisc - Issue an initial fabric discovery for a vport
* @vport: pointer to a host virtual N_Port data structure.
*
* This routine issues an initial Fabric Discover (FDISC) for the @vport
@@ -998,7 +998,7 @@ lpfc_initial_fdisc(struct lpfc_vport *vport)
}
/**
- * lpfc_more_plogi: Check and issue remaining plogis for a vport.
+ * lpfc_more_plogi - Check and issue remaining plogis for a vport
* @vport: pointer to a host virtual N_Port data structure.
*
* This routine checks whether there are more remaining Port Logins
@@ -1031,7 +1031,7 @@ lpfc_more_plogi(struct lpfc_vport *vport)
}
/**
- * lpfc_plogi_confirm_nport: Confirm pologi wwpn matches stored ndlp.
+ * lpfc_plogi_confirm_nport - Confirm pologi wwpn matches stored ndlp
* @phba: pointer to lpfc hba data structure.
* @prsp: pointer to response IOCB payload.
* @ndlp: pointer to a node-list data structure.
@@ -1165,7 +1165,7 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
}
/**
- * lpfc_end_rscn: Check and handle more rscn for a vport.
+ * lpfc_end_rscn - Check and handle more rscn for a vport
* @vport: pointer to a host virtual N_Port data structure.
*
* This routine checks whether more Registration State Change
@@ -1197,7 +1197,7 @@ lpfc_end_rscn(struct lpfc_vport *vport)
}
/**
- * lpfc_cmpl_els_plogi: Completion callback function for plogi.
+ * lpfc_cmpl_els_plogi - Completion callback function for plogi
* @phba: pointer to lpfc hba data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @rspiocb: pointer to lpfc response iocb data structure.
@@ -1322,7 +1322,7 @@ out:
}
/**
- * lpfc_issue_els_plogi: Issue an plogi iocb command for a vport.
+ * lpfc_issue_els_plogi - Issue an plogi iocb command for a vport
* @vport: pointer to a host virtual N_Port data structure.
* @did: destination port identifier.
* @retry: number of retries to the command IOCB.
@@ -1401,7 +1401,7 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry)
}
/**
- * lpfc_cmpl_els_prli: Completion callback function for prli.
+ * lpfc_cmpl_els_prli - Completion callback function for prli
* @phba: pointer to lpfc hba data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @rspiocb: pointer to lpfc response iocb data structure.
@@ -1472,7 +1472,7 @@ out:
}
/**
- * lpfc_issue_els_prli: Issue a prli iocb command for a vport.
+ * lpfc_issue_els_prli - Issue a prli iocb command for a vport
* @vport: pointer to a host virtual N_Port data structure.
* @ndlp: pointer to a node-list data structure.
* @retry: number of retries to the command IOCB.
@@ -1562,7 +1562,7 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
}
/**
- * lpfc_rscn_disc: Perform rscn discovery for a vport.
+ * lpfc_rscn_disc - Perform rscn discovery for a vport
* @vport: pointer to a host virtual N_Port data structure.
*
* This routine performs Registration State Change Notification (RSCN)
@@ -1588,7 +1588,7 @@ lpfc_rscn_disc(struct lpfc_vport *vport)
}
/**
- * lpfc_adisc_done: Complete the adisc phase of discovery.
+ * lpfc_adisc_done - Complete the adisc phase of discovery
* @vport: pointer to lpfc_vport hba data structure that finished all ADISCs.
*
* This function is called when the final ADISC is completed during discovery.
@@ -1639,7 +1639,7 @@ lpfc_adisc_done(struct lpfc_vport *vport)
}
/**
- * lpfc_more_adisc: Issue more adisc as needed.
+ * lpfc_more_adisc - Issue more adisc as needed
* @vport: pointer to a host virtual N_Port data structure.
*
* This routine determines whether there are more ndlps on a @vport
@@ -1672,7 +1672,7 @@ lpfc_more_adisc(struct lpfc_vport *vport)
}
/**
- * lpfc_cmpl_els_adisc: Completion callback function for adisc.
+ * lpfc_cmpl_els_adisc - Completion callback function for adisc
* @phba: pointer to lpfc hba data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @rspiocb: pointer to lpfc response iocb data structure.
@@ -1760,7 +1760,7 @@ out:
}
/**
- * lpfc_issue_els_adisc: Issue an address discover iocb to an node on a vport.
+ * lpfc_issue_els_adisc - Issue an address discover iocb to an node on a vport
* @vport: pointer to a virtual N_Port data structure.
* @ndlp: pointer to a node-list data structure.
* @retry: number of retries to the command IOCB.
@@ -1833,7 +1833,7 @@ lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
}
/**
- * lpfc_cmpl_els_logo: Completion callback function for logo.
+ * lpfc_cmpl_els_logo - Completion callback function for logo
* @phba: pointer to lpfc hba data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @rspiocb: pointer to lpfc response iocb data structure.
@@ -1910,7 +1910,7 @@ out:
}
/**
- * lpfc_issue_els_logo: Issue a logo to an node on a vport.
+ * lpfc_issue_els_logo - Issue a logo to an node on a vport
* @vport: pointer to a virtual N_Port data structure.
* @ndlp: pointer to a node-list data structure.
* @retry: number of retries to the command IOCB.
@@ -1991,7 +1991,7 @@ lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
}
/**
- * lpfc_cmpl_els_cmd: Completion callback function for generic els command.
+ * lpfc_cmpl_els_cmd - Completion callback function for generic els command
* @phba: pointer to lpfc hba data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @rspiocb: pointer to lpfc response iocb data structure.
@@ -2031,7 +2031,7 @@ lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
}
/**
- * lpfc_issue_els_scr: Issue a scr to an node on a vport.
+ * lpfc_issue_els_scr - Issue a scr to an node on a vport
* @vport: pointer to a host virtual N_Port data structure.
* @nportid: N_Port identifier to the remote node.
* @retry: number of retries to the command IOCB.
@@ -2125,7 +2125,7 @@ lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry)
}
/**
- * lpfc_issue_els_farpr: Issue a farp to an node on a vport.
+ * lpfc_issue_els_farpr - Issue a farp to an node on a vport
* @vport: pointer to a host virtual N_Port data structure.
* @nportid: N_Port identifier to the remote node.
* @retry: number of retries to the command IOCB.
@@ -2236,7 +2236,7 @@ lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry)
}
/**
- * lpfc_cancel_retry_delay_tmo: Cancel the timer with delayed iocb-cmd retry.
+ * lpfc_cancel_retry_delay_tmo - Cancel the timer with delayed iocb-cmd retry
* @vport: pointer to a host virtual N_Port data structure.
* @nlp: pointer to a node-list data structure.
*
@@ -2291,7 +2291,7 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp)
}
/**
- * lpfc_els_retry_delay: Timer function with a ndlp delayed function timer.
+ * lpfc_els_retry_delay - Timer function with a ndlp delayed function timer
* @ptr: holder for the pointer to the timer function associated data (ndlp).
*
* This routine is invoked by the ndlp delayed-function timer to check
@@ -2333,7 +2333,7 @@ lpfc_els_retry_delay(unsigned long ptr)
}
/**
- * lpfc_els_retry_delay_handler: Work thread handler for ndlp delayed function.
+ * lpfc_els_retry_delay_handler - Work thread handler for ndlp delayed function
* @ndlp: pointer to a node-list data structure.
*
* This routine is the worker-thread handler for processing the @ndlp delayed
@@ -2404,7 +2404,7 @@ lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp)
}
/**
- * lpfc_els_retry: Make retry decision on an els command iocb.
+ * lpfc_els_retry - Make retry decision on an els command iocb
* @phba: pointer to lpfc hba data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @rspiocb: pointer to lpfc response iocb data structure.
@@ -2732,7 +2732,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
}
/**
- * lpfc_els_free_data: Free lpfc dma buffer and data structure with an iocb.
+ * lpfc_els_free_data - Free lpfc dma buffer and data structure with an iocb
* @phba: pointer to lpfc hba data structure.
* @buf_ptr1: pointer to the lpfc DMA buffer data structure.
*
@@ -2764,7 +2764,7 @@ lpfc_els_free_data(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr1)
}
/**
- * lpfc_els_free_bpl: Free lpfc dma buffer and data structure with bpl.
+ * lpfc_els_free_bpl - Free lpfc dma buffer and data structure with bpl
* @phba: pointer to lpfc hba data structure.
* @buf_ptr: pointer to the lpfc dma buffer data structure.
*
@@ -2784,7 +2784,7 @@ lpfc_els_free_bpl(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr)
}
/**
- * lpfc_els_free_iocb: Free a command iocb and its associated resources.
+ * lpfc_els_free_iocb - Free a command iocb and its associated resources
* @phba: pointer to lpfc hba data structure.
* @elsiocb: pointer to lpfc els command iocb data structure.
*
@@ -2877,7 +2877,7 @@ lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb)
}
/**
- * lpfc_cmpl_els_logo_acc: Completion callback function to logo acc response.
+ * lpfc_cmpl_els_logo_acc - Completion callback function to logo acc response
* @phba: pointer to lpfc hba data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @rspiocb: pointer to lpfc response iocb data structure.
@@ -2931,7 +2931,7 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
}
/**
- * lpfc_mbx_cmpl_dflt_rpi: Completion callbk func for unreg dflt rpi mbox cmd.
+ * lpfc_mbx_cmpl_dflt_rpi - Completion callbk func for unreg dflt rpi mbox cmd
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
*
@@ -2965,7 +2965,7 @@ lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
}
/**
- * lpfc_cmpl_els_rsp: Completion callback function for els response iocb cmd.
+ * lpfc_cmpl_els_rsp - Completion callback function for els response iocb cmd
* @phba: pointer to lpfc hba data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @rspiocb: pointer to lpfc response iocb data structure.
@@ -3136,7 +3136,7 @@ out:
}
/**
- * lpfc_els_rsp_acc: Prepare and issue an acc response iocb command.
+ * lpfc_els_rsp_acc - Prepare and issue an acc response iocb command
* @vport: pointer to a host virtual N_Port data structure.
* @flag: the els command code to be accepted.
* @oldiocb: pointer to the original lpfc command iocb data structure.
@@ -3275,7 +3275,7 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag,
}
/**
- * lpfc_els_rsp_reject: Propare and issue a rjt response iocb command.
+ * lpfc_els_rsp_reject - Propare and issue a rjt response iocb command
* @vport: pointer to a virtual N_Port data structure.
* @rejectError:
* @oldiocb: pointer to the original lpfc command iocb data structure.
@@ -3356,7 +3356,7 @@ lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError,
}
/**
- * lpfc_els_rsp_adisc_acc: Prepare and issue acc response to adisc iocb cmd.
+ * lpfc_els_rsp_adisc_acc - Prepare and issue acc response to adisc iocb cmd
* @vport: pointer to a virtual N_Port data structure.
* @oldiocb: pointer to the original lpfc command iocb data structure.
* @ndlp: pointer to a node-list data structure.
@@ -3431,7 +3431,7 @@ lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb,
}
/**
- * lpfc_els_rsp_prli_acc: Prepare and issue acc response to prli iocb cmd.
+ * lpfc_els_rsp_prli_acc - Prepare and issue acc response to prli iocb cmd
* @vport: pointer to a virtual N_Port data structure.
* @oldiocb: pointer to the original lpfc command iocb data structure.
* @ndlp: pointer to a node-list data structure.
@@ -3529,7 +3529,7 @@ lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb,
}
/**
- * lpfc_els_rsp_rnid_acc: Issue rnid acc response iocb command.
+ * lpfc_els_rsp_rnid_acc - Issue rnid acc response iocb command
* @vport: pointer to a virtual N_Port data structure.
* @format: rnid command format.
* @oldiocb: pointer to the original lpfc command iocb data structure.
@@ -3635,7 +3635,7 @@ lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format,
}
/**
- * lpfc_els_disc_adisc: Issue remaining adisc iocbs to npr nodes of a vport.
+ * lpfc_els_disc_adisc - Issue remaining adisc iocbs to npr nodes of a vport
* @vport: pointer to a host virtual N_Port data structure.
*
* This routine issues Address Discover (ADISC) ELS commands to those
@@ -3693,7 +3693,7 @@ lpfc_els_disc_adisc(struct lpfc_vport *vport)
}
/**
- * lpfc_els_disc_plogi: Issue plogi for all npr nodes of a vport before adisc.
+ * lpfc_els_disc_plogi - Issue plogi for all npr nodes of a vport before adisc
* @vport: pointer to a host virtual N_Port data structure.
*
* This routine issues Port Login (PLOGI) ELS commands to all the N_Ports
@@ -3752,7 +3752,7 @@ lpfc_els_disc_plogi(struct lpfc_vport *vport)
}
/**
- * lpfc_els_flush_rscn: Clean up any rscn activities with a vport.
+ * lpfc_els_flush_rscn - Clean up any rscn activities with a vport
* @vport: pointer to a host virtual N_Port data structure.
*
* This routine cleans up any Registration State Change Notification
@@ -3791,7 +3791,7 @@ lpfc_els_flush_rscn(struct lpfc_vport *vport)
}
/**
- * lpfc_rscn_payload_check: Check whether there is a pending rscn to a did.
+ * lpfc_rscn_payload_check - Check whether there is a pending rscn to a did
* @vport: pointer to a host virtual N_Port data structure.
* @did: remote destination port identifier.
*
@@ -3866,7 +3866,7 @@ return_did_out:
}
/**
- * lpfc_rscn_recovery_check: Send recovery event to vport nodes matching rscn
+ * lpfc_rscn_recovery_check - Send recovery event to vport nodes matching rscn
* @vport: pointer to a host virtual N_Port data structure.
*
* This routine sends recovery (NLP_EVT_DEVICE_RECOVERY) event to the
@@ -3895,7 +3895,7 @@ lpfc_rscn_recovery_check(struct lpfc_vport *vport)
}
/**
- * lpfc_send_rscn_event: Send an RSCN event to management application.
+ * lpfc_send_rscn_event - Send an RSCN event to management application
* @vport: pointer to a host virtual N_Port data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
*
@@ -3938,7 +3938,7 @@ lpfc_send_rscn_event(struct lpfc_vport *vport,
}
/**
- * lpfc_els_rcv_rscn: Process an unsolicited rscn iocb.
+ * lpfc_els_rcv_rscn - Process an unsolicited rscn iocb
* @vport: pointer to a host virtual N_Port data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @ndlp: pointer to a node-list data structure.
@@ -4134,7 +4134,7 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
}
/**
- * lpfc_els_handle_rscn: Handle rscn for a vport.
+ * lpfc_els_handle_rscn - Handle rscn for a vport
* @vport: pointer to a host virtual N_Port data structure.
*
* This routine handles the Registration State Configuration Notification
@@ -4222,7 +4222,7 @@ lpfc_els_handle_rscn(struct lpfc_vport *vport)
}
/**
- * lpfc_els_rcv_flogi: Process an unsolicited flogi iocb.
+ * lpfc_els_rcv_flogi - Process an unsolicited flogi iocb
* @vport: pointer to a host virtual N_Port data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @ndlp: pointer to a node-list data structure.
@@ -4336,7 +4336,7 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
}
/**
- * lpfc_els_rcv_rnid: Process an unsolicited rnid iocb.
+ * lpfc_els_rcv_rnid - Process an unsolicited rnid iocb
* @vport: pointer to a host virtual N_Port data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @ndlp: pointer to a node-list data structure.
@@ -4391,7 +4391,7 @@ lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
}
/**
- * lpfc_els_rcv_lirr: Process an unsolicited lirr iocb.
+ * lpfc_els_rcv_lirr - Process an unsolicited lirr iocb
* @vport: pointer to a host virtual N_Port data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @ndlp: pointer to a node-list data structure.
@@ -4419,7 +4419,7 @@ lpfc_els_rcv_lirr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
}
/**
- * lpfc_els_rsp_rps_acc: Completion callbk func for MBX_READ_LNK_STAT mbox cmd.
+ * lpfc_els_rsp_rps_acc - Completion callbk func for MBX_READ_LNK_STAT mbox cmd
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
*
@@ -4513,7 +4513,7 @@ lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
}
/**
- * lpfc_els_rcv_rps: Process an unsolicited rps iocb.
+ * lpfc_els_rcv_rps - Process an unsolicited rps iocb
* @vport: pointer to a host virtual N_Port data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @ndlp: pointer to a node-list data structure.
@@ -4590,7 +4590,7 @@ reject_out:
}
/**
- * lpfc_els_rsp_rpl_acc: Issue an accept rpl els command.
+ * lpfc_els_rsp_rpl_acc - Issue an accept rpl els command
* @vport: pointer to a host virtual N_Port data structure.
* @cmdsize: size of the ELS command.
* @oldiocb: pointer to the original lpfc command iocb data structure.
@@ -4662,7 +4662,7 @@ lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize,
}
/**
- * lpfc_els_rcv_rpl: Process an unsolicited rpl iocb.
+ * lpfc_els_rcv_rpl - Process an unsolicited rpl iocb
* @vport: pointer to a host virtual N_Port data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @ndlp: pointer to a node-list data structure.
@@ -4721,7 +4721,7 @@ lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
}
/**
- * lpfc_els_rcv_farp: Process an unsolicited farp request els command.
+ * lpfc_els_rcv_farp - Process an unsolicited farp request els command
* @vport: pointer to a virtual N_Port data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @ndlp: pointer to a node-list data structure.
@@ -4804,7 +4804,7 @@ lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
}
/**
- * lpfc_els_rcv_farpr: Process an unsolicited farp response iocb.
+ * lpfc_els_rcv_farpr - Process an unsolicited farp response iocb
* @vport: pointer to a host virtual N_Port data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @ndlp: pointer to a node-list data structure.
@@ -4842,7 +4842,7 @@ lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
}
/**
- * lpfc_els_rcv_fan: Process an unsolicited fan iocb command.
+ * lpfc_els_rcv_fan - Process an unsolicited fan iocb command
* @vport: pointer to a host virtual N_Port data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @fan_ndlp: pointer to a node-list data structure.
@@ -4890,7 +4890,7 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
}
/**
- * lpfc_els_timeout: Handler funciton to the els timer.
+ * lpfc_els_timeout - Handler funciton to the els timer
* @ptr: holder for the timer function associated data.
*
* This routine is invoked by the ELS timer after timeout. It posts the ELS
@@ -4919,7 +4919,7 @@ lpfc_els_timeout(unsigned long ptr)
}
/**
- * lpfc_els_timeout_handler: Process an els timeout event.
+ * lpfc_els_timeout_handler - Process an els timeout event
* @vport: pointer to a virtual N_Port data structure.
*
* This routine is the actual handler function that processes an ELS timeout
@@ -4994,7 +4994,7 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport)
}
/**
- * lpfc_els_flush_cmd: Clean up the outstanding els commands to a vport.
+ * lpfc_els_flush_cmd - Clean up the outstanding els commands to a vport
* @vport: pointer to a host virtual N_Port data structure.
*
* This routine is used to clean up all the outstanding ELS commands on a
@@ -5058,25 +5058,15 @@ lpfc_els_flush_cmd(struct lpfc_vport *vport)
}
spin_unlock_irq(&phba->hbalock);
- while (!list_empty(&completions)) {
- piocb = list_get_first(&completions, struct lpfc_iocbq, list);
- cmd = &piocb->iocb;
- list_del_init(&piocb->list);
-
- if (!piocb->iocb_cmpl)
- lpfc_sli_release_iocbq(phba, piocb);
- else {
- cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
- cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
- (piocb->iocb_cmpl) (phba, piocb, piocb);
- }
- }
+ /* Cancell all the IOCBs from the completions list */
+ lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
+ IOERR_SLI_ABORTED);
return;
}
/**
- * lpfc_els_flush_all_cmd: Clean up all the outstanding els commands to a HBA.
+ * lpfc_els_flush_all_cmd - Clean up all the outstanding els commands to a HBA
* @phba: pointer to lpfc hba data structure.
*
* This routine is used to clean up all the outstanding ELS commands on a
@@ -5121,23 +5111,16 @@ lpfc_els_flush_all_cmd(struct lpfc_hba *phba)
lpfc_sli_issue_abort_iotag(phba, pring, piocb);
}
spin_unlock_irq(&phba->hbalock);
- while (!list_empty(&completions)) {
- piocb = list_get_first(&completions, struct lpfc_iocbq, list);
- cmd = &piocb->iocb;
- list_del_init(&piocb->list);
- if (!piocb->iocb_cmpl)
- lpfc_sli_release_iocbq(phba, piocb);
- else {
- cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
- cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
- (piocb->iocb_cmpl) (phba, piocb, piocb);
- }
- }
+
+ /* Cancel all the IOCBs from the completions list */
+ lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
+ IOERR_SLI_ABORTED);
+
return;
}
/**
- * lpfc_send_els_failure_event: Posts an ELS command failure event.
+ * lpfc_send_els_failure_event - Posts an ELS command failure event
* @phba: Pointer to hba context object.
* @cmdiocbp: Pointer to command iocb which reported error.
* @rspiocbp: Pointer to response iocb which reported error.
@@ -5204,7 +5187,7 @@ lpfc_send_els_failure_event(struct lpfc_hba *phba,
}
/**
- * lpfc_send_els_event: Posts unsolicited els event.
+ * lpfc_send_els_event - Posts unsolicited els event
* @vport: Pointer to vport object.
* @ndlp: Pointer FC node object.
* @cmd: ELS command code.
@@ -5284,7 +5267,7 @@ lpfc_send_els_event(struct lpfc_vport *vport,
/**
- * lpfc_els_unsol_buffer: Process an unsolicited event data buffer.
+ * lpfc_els_unsol_buffer - Process an unsolicited event data buffer
* @phba: pointer to lpfc hba data structure.
* @pring: pointer to a SLI ring.
* @vport: pointer to a host virtual N_Port data structure.
@@ -5592,7 +5575,7 @@ dropit:
}
/**
- * lpfc_find_vport_by_vpid: Find a vport on a HBA through vport identifier.
+ * lpfc_find_vport_by_vpid - Find a vport on a HBA through vport identifier
* @phba: pointer to lpfc hba data structure.
* @vpi: host virtual N_Port identifier.
*
@@ -5622,7 +5605,7 @@ lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi)
}
/**
- * lpfc_els_unsol_event: Process an unsolicited event from an els sli ring.
+ * lpfc_els_unsol_event - Process an unsolicited event from an els sli ring
* @phba: pointer to lpfc hba data structure.
* @pring: pointer to a SLI ring.
* @elsiocb: pointer to lpfc els iocb data structure.
@@ -5710,7 +5693,7 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
}
/**
- * lpfc_do_scr_ns_plogi: Issue a plogi to the name server for scr.
+ * lpfc_do_scr_ns_plogi - Issue a plogi to the name server for scr
* @phba: pointer to lpfc hba data structure.
* @vport: pointer to a virtual N_Port data structure.
*
@@ -5781,7 +5764,7 @@ lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport)
}
/**
- * lpfc_cmpl_reg_new_vport: Completion callback function to register new vport.
+ * lpfc_cmpl_reg_new_vport - Completion callback function to register new vport
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
*
@@ -5850,7 +5833,7 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
}
/**
- * lpfc_register_new_vport: Register a new vport with a HBA.
+ * lpfc_register_new_vport - Register a new vport with a HBA
* @phba: pointer to lpfc hba data structure.
* @vport: pointer to a host virtual N_Port data structure.
* @ndlp: pointer to a node-list data structure.
@@ -5899,7 +5882,7 @@ mbox_err_exit:
}
/**
- * lpfc_cmpl_els_fdisc: Completion function for fdisc iocb command.
+ * lpfc_cmpl_els_fdisc - Completion function for fdisc iocb command
* @phba: pointer to lpfc hba data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @rspiocb: pointer to lpfc response iocb data structure.
@@ -6007,7 +5990,7 @@ out:
}
/**
- * lpfc_issue_els_fdisc: Issue a fdisc iocb command.
+ * lpfc_issue_els_fdisc - Issue a fdisc iocb command
* @vport: pointer to a virtual N_Port data structure.
* @ndlp: pointer to a node-list data structure.
* @retry: number of retries to the command IOCB.
@@ -6101,7 +6084,7 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
}
/**
- * lpfc_cmpl_els_npiv_logo: Completion function with vport logo.
+ * lpfc_cmpl_els_npiv_logo - Completion function with vport logo
* @phba: pointer to lpfc hba data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @rspiocb: pointer to lpfc response iocb data structure.
@@ -6136,7 +6119,7 @@ lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
}
/**
- * lpfc_issue_els_npiv_logo: Issue a logo off a vport.
+ * lpfc_issue_els_npiv_logo - Issue a logo off a vport
* @vport: pointer to a virtual N_Port data structure.
* @ndlp: pointer to a node-list data structure.
*
@@ -6197,7 +6180,7 @@ lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
}
/**
- * lpfc_fabric_block_timeout: Handler function to the fabric block timer.
+ * lpfc_fabric_block_timeout - Handler function to the fabric block timer
* @ptr: holder for the timer function associated data.
*
* This routine is invoked by the fabric iocb block timer after
@@ -6226,7 +6209,7 @@ lpfc_fabric_block_timeout(unsigned long ptr)
}
/**
- * lpfc_resume_fabric_iocbs: Issue a fabric iocb from driver internal list.
+ * lpfc_resume_fabric_iocbs - Issue a fabric iocb from driver internal list
* @phba: pointer to lpfc hba data structure.
*
* This routine issues one fabric iocb from the driver internal list to
@@ -6285,7 +6268,7 @@ repeat:
}
/**
- * lpfc_unblock_fabric_iocbs: Unblock issuing fabric iocb command.
+ * lpfc_unblock_fabric_iocbs - Unblock issuing fabric iocb command
* @phba: pointer to lpfc hba data structure.
*
* This routine unblocks the issuing fabric iocb command. The function
@@ -6303,7 +6286,7 @@ lpfc_unblock_fabric_iocbs(struct lpfc_hba *phba)
}
/**
- * lpfc_block_fabric_iocbs: Block issuing fabric iocb command.
+ * lpfc_block_fabric_iocbs - Block issuing fabric iocb command
* @phba: pointer to lpfc hba data structure.
*
* This routine blocks the issuing fabric iocb for a specified amount of
@@ -6325,7 +6308,7 @@ lpfc_block_fabric_iocbs(struct lpfc_hba *phba)
}
/**
- * lpfc_cmpl_fabric_iocb: Completion callback function for fabric iocb.
+ * lpfc_cmpl_fabric_iocb - Completion callback function for fabric iocb
* @phba: pointer to lpfc hba data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @rspiocb: pointer to lpfc response iocb data structure.
@@ -6384,7 +6367,7 @@ lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
}
/**
- * lpfc_issue_fabric_iocb: Issue a fabric iocb command.
+ * lpfc_issue_fabric_iocb - Issue a fabric iocb command
* @phba: pointer to lpfc hba data structure.
* @iocb: pointer to lpfc command iocb data structure.
*
@@ -6453,7 +6436,7 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb)
}
/**
- * lpfc_fabric_abort_vport: Abort a vport's iocbs from driver fabric iocb list.
+ * lpfc_fabric_abort_vport - Abort a vport's iocbs from driver fabric iocb list
* @vport: pointer to a virtual N_Port data structure.
*
* This routine aborts all the IOCBs associated with a @vport from the
@@ -6468,7 +6451,6 @@ static void lpfc_fabric_abort_vport(struct lpfc_vport *vport)
LIST_HEAD(completions);
struct lpfc_hba *phba = vport->phba;
struct lpfc_iocbq *tmp_iocb, *piocb;
- IOCB_t *cmd;
spin_lock_irq(&phba->hbalock);
list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list,
@@ -6481,19 +6463,13 @@ static void lpfc_fabric_abort_vport(struct lpfc_vport *vport)
}
spin_unlock_irq(&phba->hbalock);
- while (!list_empty(&completions)) {
- piocb = list_get_first(&completions, struct lpfc_iocbq, list);
- list_del_init(&piocb->list);
-
- cmd = &piocb->iocb;
- cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
- cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
- (piocb->iocb_cmpl) (phba, piocb, piocb);
- }
+ /* Cancel all the IOCBs from the completions list */
+ lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
+ IOERR_SLI_ABORTED);
}
/**
- * lpfc_fabric_abort_nport: Abort a ndlp's iocbs from driver fabric iocb list.
+ * lpfc_fabric_abort_nport - Abort a ndlp's iocbs from driver fabric iocb list
* @ndlp: pointer to a node-list data structure.
*
* This routine aborts all the IOCBs associated with an @ndlp from the
@@ -6506,10 +6482,9 @@ static void lpfc_fabric_abort_vport(struct lpfc_vport *vport)
void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp)
{
LIST_HEAD(completions);
- struct lpfc_hba *phba = ndlp->vport->phba;
+ struct lpfc_hba *phba = ndlp->phba;
struct lpfc_iocbq *tmp_iocb, *piocb;
struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
- IOCB_t *cmd;
spin_lock_irq(&phba->hbalock);
list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list,
@@ -6521,19 +6496,13 @@ void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp)
}
spin_unlock_irq(&phba->hbalock);
- while (!list_empty(&completions)) {
- piocb = list_get_first(&completions, struct lpfc_iocbq, list);
- list_del_init(&piocb->list);
-
- cmd = &piocb->iocb;
- cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
- cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
- (piocb->iocb_cmpl) (phba, piocb, piocb);
- }
+ /* Cancel all the IOCBs from the completions list */
+ lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
+ IOERR_SLI_ABORTED);
}
/**
- * lpfc_fabric_abort_hba: Abort all iocbs on driver fabric iocb list.
+ * lpfc_fabric_abort_hba - Abort all iocbs on driver fabric iocb list
* @phba: pointer to lpfc hba data structure.
*
* This routine aborts all the IOCBs currently on the driver internal
@@ -6546,20 +6515,12 @@ void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp)
void lpfc_fabric_abort_hba(struct lpfc_hba *phba)
{
LIST_HEAD(completions);
- struct lpfc_iocbq *piocb;
- IOCB_t *cmd;
spin_lock_irq(&phba->hbalock);
list_splice_init(&phba->fabric_iocb_list, &completions);
spin_unlock_irq(&phba->hbalock);
- while (!list_empty(&completions)) {
- piocb = list_get_first(&completions, struct lpfc_iocbq, list);
- list_del_init(&piocb->list);
-
- cmd = &piocb->iocb;
- cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
- cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
- (piocb->iocb_cmpl) (phba, piocb, piocb);
- }
+ /* Cancel all the IOCBs from the completions list */
+ lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
+ IOERR_SLI_ABORTED);
}
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 311ed6dea726..e764ce0bf704 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -78,7 +78,7 @@ lpfc_terminate_rport_io(struct fc_rport *rport)
return;
}
- phba = ndlp->vport->phba;
+ phba = ndlp->phba;
lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT,
"rport terminate: sid:x%x did:x%x flg:x%x",
@@ -276,7 +276,7 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
}
/**
- * lpfc_alloc_fast_evt: Allocates data structure for posting event.
+ * lpfc_alloc_fast_evt - Allocates data structure for posting event
* @phba: Pointer to hba context object.
*
* This function is called from the functions which need to post
@@ -303,7 +303,7 @@ lpfc_alloc_fast_evt(struct lpfc_hba *phba) {
}
/**
- * lpfc_free_fast_evt: Frees event data structure.
+ * lpfc_free_fast_evt - Frees event data structure
* @phba: Pointer to hba context object.
* @evt: Event object which need to be freed.
*
@@ -319,7 +319,7 @@ lpfc_free_fast_evt(struct lpfc_hba *phba,
}
/**
- * lpfc_send_fastpath_evt: Posts events generated from fast path.
+ * lpfc_send_fastpath_evt - Posts events generated from fast path
* @phba: Pointer to hba context object.
* @evtp: Event data structure.
*
@@ -1858,13 +1858,18 @@ lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
NLP_STE_UNUSED_NODE);
}
/**
- * lpfc_initialize_node: Initialize all fields of node object.
+ * lpfc_initialize_node - Initialize all fields of node object
* @vport: Pointer to Virtual Port object.
* @ndlp: Pointer to FC node object.
* @did: FC_ID of the node.
- * This function is always called when node object need to
- * be initialized. It initializes all the fields of the node
- * object.
+ *
+ * This function is always called when node object need to be initialized.
+ * It initializes all the fields of the node object. Although the reference
+ * to phba from @ndlp can be obtained indirectly through it's reference to
+ * @vport, a direct reference to phba is taken here by @ndlp. This is due
+ * to the life-span of the @ndlp might go beyond the existence of @vport as
+ * the final release of ndlp is determined by its reference count. And, the
+ * operation on @ndlp needs the reference to phba.
**/
static inline void
lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
@@ -1877,6 +1882,7 @@ lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
ndlp->nlp_delayfunc.data = (unsigned long)ndlp;
ndlp->nlp_DID = did;
ndlp->vport = vport;
+ ndlp->phba = vport->phba;
ndlp->nlp_sid = NLP_NO_SID;
kref_init(&ndlp->kref);
NLP_INT_NODE_ACT(ndlp);
@@ -2086,7 +2092,6 @@ lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
struct lpfc_sli *psli;
struct lpfc_sli_ring *pring;
struct lpfc_iocbq *iocb, *next_iocb;
- IOCB_t *icmd;
uint32_t rpi, i;
lpfc_fabric_abort_nport(ndlp);
@@ -2122,19 +2127,9 @@ lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
}
}
- while (!list_empty(&completions)) {
- iocb = list_get_first(&completions, struct lpfc_iocbq, list);
- list_del_init(&iocb->list);
-
- if (!iocb->iocb_cmpl)
- lpfc_sli_release_iocbq(phba, iocb);
- else {
- icmd = &iocb->iocb;
- icmd->ulpStatus = IOSTAT_LOCAL_REJECT;
- icmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
- (iocb->iocb_cmpl)(phba, iocb, iocb);
- }
- }
+ /* Cancel all the IOCBs from the completions list */
+ lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
+ IOERR_SLI_ABORTED);
return 0;
}
@@ -2186,9 +2181,13 @@ lpfc_unreg_all_rpis(struct lpfc_vport *vport)
mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
mbox->context1 = NULL;
rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO);
- if (rc == MBX_NOT_FINISHED) {
+ if (rc != MBX_TIMEOUT)
mempool_free(mbox, phba->mbox_mem_pool);
- }
+
+ if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED))
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT,
+ "1836 Could not issue "
+ "unreg_login(all_rpis) status %d\n", rc);
}
}
@@ -2206,12 +2205,14 @@ lpfc_unreg_default_rpis(struct lpfc_vport *vport)
mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
mbox->context1 = NULL;
rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO);
- if (rc == MBX_NOT_FINISHED) {
+ if (rc != MBX_TIMEOUT)
+ mempool_free(mbox, phba->mbox_mem_pool);
+
+ if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED))
lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT,
"1815 Could not issue "
- "unreg_did (default rpis)\n");
- mempool_free(mbox, phba->mbox_mem_pool);
- }
+ "unreg_did (default rpis) status %d\n",
+ rc);
}
}
@@ -2470,14 +2471,13 @@ lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did)
if (ndlp->nlp_flag & NLP_RCV_PLOGI)
return NULL;
- spin_lock_irq(shost->host_lock);
- ndlp->nlp_flag |= NLP_NPR_2B_DISC;
- spin_unlock_irq(shost->host_lock);
-
/* Since this node is marked for discovery,
* delay timeout is not needed.
*/
lpfc_cancel_retry_delay_tmo(vport, ndlp);
+ spin_lock_irq(shost->host_lock);
+ ndlp->nlp_flag |= NLP_NPR_2B_DISC;
+ spin_unlock_irq(shost->host_lock);
} else
ndlp = NULL;
} else {
@@ -2740,19 +2740,9 @@ lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
}
spin_unlock_irq(&phba->hbalock);
- while (!list_empty(&completions)) {
- iocb = list_get_first(&completions, struct lpfc_iocbq, list);
- list_del_init(&iocb->list);
-
- if (!iocb->iocb_cmpl)
- lpfc_sli_release_iocbq(phba, iocb);
- else {
- icmd = &iocb->iocb;
- icmd->ulpStatus = IOSTAT_LOCAL_REJECT;
- icmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
- (iocb->iocb_cmpl) (phba, iocb, iocb);
- }
- }
+ /* Cancel all the IOCBs from the completions list */
+ lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
+ IOERR_SLI_ABORTED);
}
static void
@@ -3173,7 +3163,7 @@ lpfc_nlp_release(struct kref *kref)
lpfc_nlp_remove(ndlp->vport, ndlp);
/* clear the ndlp active flag for all release cases */
- phba = ndlp->vport->phba;
+ phba = ndlp->phba;
spin_lock_irqsave(&phba->ndlp_lock, flags);
NLP_CLR_NODE_ACT(ndlp);
spin_unlock_irqrestore(&phba->ndlp_lock, flags);
@@ -3181,7 +3171,7 @@ lpfc_nlp_release(struct kref *kref)
/* free ndlp memory for final ndlp release */
if (NLP_CHK_FREE_REQ(ndlp)) {
kfree(ndlp->lat_data);
- mempool_free(ndlp, ndlp->vport->phba->nlp_mem_pool);
+ mempool_free(ndlp, ndlp->phba->nlp_mem_pool);
}
}
@@ -3204,7 +3194,7 @@ lpfc_nlp_get(struct lpfc_nodelist *ndlp)
* ndlp reference count that is in the process of being
* released.
*/
- phba = ndlp->vport->phba;
+ phba = ndlp->phba;
spin_lock_irqsave(&phba->ndlp_lock, flags);
if (!NLP_CHK_NODE_ACT(ndlp) || NLP_CHK_FREE_ACK(ndlp)) {
spin_unlock_irqrestore(&phba->ndlp_lock, flags);
@@ -3240,7 +3230,7 @@ lpfc_nlp_put(struct lpfc_nodelist *ndlp)
"node put: did:x%x flg:x%x refcnt:x%x",
ndlp->nlp_DID, ndlp->nlp_flag,
atomic_read(&ndlp->kref.refcount));
- phba = ndlp->vport->phba;
+ phba = ndlp->phba;
spin_lock_irqsave(&phba->ndlp_lock, flags);
/* Check the ndlp memory free acknowledge flag to avoid the
* possible race condition that kref_put got invoked again
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 06874e6009ea..86d1bdcbf2d8 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -60,7 +60,7 @@ static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
static DEFINE_IDR(lpfc_hba_index);
/**
- * lpfc_config_port_prep: Perform lpfc initialization prior to config port.
+ * lpfc_config_port_prep - Perform lpfc initialization prior to config port
* @phba: pointer to lpfc hba data structure.
*
* This routine will do LPFC initialization prior to issuing the CONFIG_PORT
@@ -221,7 +221,7 @@ out_free_mbox:
}
/**
- * lpfc_config_async_cmpl: Completion handler for config async event mbox cmd.
+ * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
* @phba: pointer to lpfc hba data structure.
* @pmboxq: pointer to the driver internal queue element for mailbox command.
*
@@ -242,8 +242,7 @@ lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
}
/**
- * lpfc_dump_wakeup_param_cmpl: Completion handler for dump memory mailbox
- * command used for getting wake up parameters.
+ * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
* @phba: pointer to lpfc hba data structure.
* @pmboxq: pointer to the driver internal queue element for mailbox command.
*
@@ -287,7 +286,7 @@ lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
}
/**
- * lpfc_config_port_post: Perform lpfc initialization after config port.
+ * lpfc_config_port_post - Perform lpfc initialization after config port
* @phba: pointer to lpfc hba data structure.
*
* This routine will do LPFC initialization after the CONFIG_PORT mailbox
@@ -303,6 +302,7 @@ int
lpfc_config_port_post(struct lpfc_hba *phba)
{
struct lpfc_vport *vport = phba->pport;
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
LPFC_MBOXQ_t *pmb;
MAILBOX_t *mb;
struct lpfc_dmabuf *mp;
@@ -360,6 +360,11 @@ lpfc_config_port_post(struct lpfc_hba *phba)
sizeof (struct lpfc_name));
memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
sizeof (struct lpfc_name));
+
+ /* Update the fc_host data structures with new wwn. */
+ fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
+ fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
+
/* If no serial number in VPD data, use low 6 bytes of WWNN */
/* This should be consolidated into parse_vpd ? - mr */
if (phba->SerialNumber[0] == 0) {
@@ -551,7 +556,7 @@ lpfc_config_port_post(struct lpfc_hba *phba)
}
/**
- * lpfc_hba_down_prep: Perform lpfc uninitialization prior to HBA reset.
+ * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
* @phba: pointer to lpfc HBA data structure.
*
* This routine will do LPFC uninitialization before the HBA is reset when
@@ -583,7 +588,7 @@ lpfc_hba_down_prep(struct lpfc_hba *phba)
}
/**
- * lpfc_hba_down_post: Perform lpfc uninitialization after HBA reset.
+ * lpfc_hba_down_post - Perform lpfc uninitialization after HBA reset
* @phba: pointer to lpfc HBA data structure.
*
* This routine will do uninitialization after the HBA is reset when bring
@@ -599,8 +604,6 @@ lpfc_hba_down_post(struct lpfc_hba *phba)
struct lpfc_sli *psli = &phba->sli;
struct lpfc_sli_ring *pring;
struct lpfc_dmabuf *mp, *next_mp;
- struct lpfc_iocbq *iocb;
- IOCB_t *cmd = NULL;
LIST_HEAD(completions);
int i;
@@ -628,20 +631,9 @@ lpfc_hba_down_post(struct lpfc_hba *phba)
pring->txcmplq_cnt = 0;
spin_unlock_irq(&phba->hbalock);
- while (!list_empty(&completions)) {
- iocb = list_get_first(&completions, struct lpfc_iocbq,
- list);
- cmd = &iocb->iocb;
- list_del_init(&iocb->list);
-
- if (!iocb->iocb_cmpl)
- lpfc_sli_release_iocbq(phba, iocb);
- else {
- cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
- cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
- (iocb->iocb_cmpl) (phba, iocb, iocb);
- }
- }
+ /* Cancel all the IOCBs from the completions list */
+ lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
+ IOERR_SLI_ABORTED);
lpfc_sli_abort_iocb_ring(phba, pring);
spin_lock_irq(&phba->hbalock);
@@ -652,7 +644,7 @@ lpfc_hba_down_post(struct lpfc_hba *phba)
}
/**
- * lpfc_hb_timeout: The HBA-timer timeout handler.
+ * lpfc_hb_timeout - The HBA-timer timeout handler
* @ptr: unsigned long holds the pointer to lpfc hba data structure.
*
* This is the HBA-timer timeout handler registered to the lpfc driver. When
@@ -686,7 +678,7 @@ lpfc_hb_timeout(unsigned long ptr)
}
/**
- * lpfc_hb_mbox_cmpl: The lpfc heart-beat mailbox command callback function.
+ * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
* @phba: pointer to lpfc hba data structure.
* @pmboxq: pointer to the driver internal queue element for mailbox command.
*
@@ -721,7 +713,7 @@ lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
}
/**
- * lpfc_hb_timeout_handler: The HBA-timer timeout handler.
+ * lpfc_hb_timeout_handler - The HBA-timer timeout handler
* @phba: pointer to lpfc hba data structure.
*
* This is the actual HBA-timer timeout handler to be invoked by the worker
@@ -830,7 +822,7 @@ lpfc_hb_timeout_handler(struct lpfc_hba *phba)
}
/**
- * lpfc_offline_eratt: Bring lpfc offline on hardware error attention.
+ * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
* @phba: pointer to lpfc hba data structure.
*
* This routine is called to bring the HBA offline when HBA hardware error
@@ -857,7 +849,73 @@ lpfc_offline_eratt(struct lpfc_hba *phba)
}
/**
- * lpfc_handle_eratt: The HBA hardware error handler.
+ * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to handle the deferred HBA hardware error
+ * conditions. This type of error is indicated by HBA by setting ER1
+ * and another ER bit in the host status register. The driver will
+ * wait until the ER1 bit clears before handling the error condition.
+ **/
+static void
+lpfc_handle_deferred_eratt(struct lpfc_hba *phba)
+{
+ uint32_t old_host_status = phba->work_hs;
+ struct lpfc_sli_ring *pring;
+ struct lpfc_sli *psli = &phba->sli;
+
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "0479 Deferred Adapter Hardware Error "
+ "Data: x%x x%x x%x\n",
+ phba->work_hs,
+ phba->work_status[0], phba->work_status[1]);
+
+ spin_lock_irq(&phba->hbalock);
+ psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
+ spin_unlock_irq(&phba->hbalock);
+
+
+ /*
+ * Firmware stops when it triggred erratt. That could cause the I/Os
+ * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
+ * SCSI layer retry it after re-establishing link.
+ */
+ pring = &psli->ring[psli->fcp_ring];
+ lpfc_sli_abort_iocb_ring(phba, pring);
+
+ /*
+ * There was a firmware error. Take the hba offline and then
+ * attempt to restart it.
+ */
+ lpfc_offline_prep(phba);
+ lpfc_offline(phba);
+
+ /* Wait for the ER1 bit to clear.*/
+ while (phba->work_hs & HS_FFER1) {
+ msleep(100);
+ phba->work_hs = readl(phba->HSregaddr);
+ /* If driver is unloading let the worker thread continue */
+ if (phba->pport->load_flag & FC_UNLOADING) {
+ phba->work_hs = 0;
+ break;
+ }
+ }
+
+ /*
+ * This is to ptrotect against a race condition in which
+ * first write to the host attention register clear the
+ * host status register.
+ */
+ if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING)))
+ phba->work_hs = old_host_status & ~HS_FFER1;
+
+ phba->hba_flag &= ~DEFER_ERATT;
+ phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
+ phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
+}
+
+/**
+ * lpfc_handle_eratt - The HBA hardware error handler
* @phba: pointer to lpfc hba data structure.
*
* This routine is invoked to handle the following HBA hardware error
@@ -895,6 +953,9 @@ lpfc_handle_eratt(struct lpfc_hba *phba)
(char *) &board_event,
LPFC_NL_VENDOR_ID);
+ if (phba->hba_flag & DEFER_ERATT)
+ lpfc_handle_deferred_eratt(phba);
+
if (phba->work_hs & HS_FFER6) {
/* Re-establishing Link */
lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
@@ -976,7 +1037,7 @@ lpfc_handle_eratt(struct lpfc_hba *phba)
}
/**
- * lpfc_handle_latt: The HBA link event handler.
+ * lpfc_handle_latt - The HBA link event handler
* @phba: pointer to lpfc hba data structure.
*
* This routine is invoked from the worker thread to handle a HBA host
@@ -1063,7 +1124,7 @@ lpfc_handle_latt_err_exit:
}
/**
- * lpfc_parse_vpd: Parse VPD (Vital Product Data).
+ * lpfc_parse_vpd - Parse VPD (Vital Product Data)
* @phba: pointer to lpfc hba data structure.
* @vpd: pointer to the vital product data.
* @len: length of the vital product data in bytes.
@@ -1213,7 +1274,7 @@ lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
}
/**
- * lpfc_get_hba_model_desc: Retrieve HBA device model name and description.
+ * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
* @phba: pointer to lpfc hba data structure.
* @mdp: pointer to the data structure to hold the derived model name.
* @descp: pointer to the data structure to hold the derived description.
@@ -1322,7 +1383,8 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
break;
case PCI_DEVICE_ID_ZEPHYR_DCSP:
- m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
+ m = (typeof(m)){"LP2105", max_speed, "PCIe"};
+ GE = 1;
break;
case PCI_DEVICE_ID_ZMID:
m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
@@ -1392,7 +1454,7 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
}
/**
- * lpfc_post_buffer: Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring.
+ * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
* @phba: pointer to lpfc hba data structure.
* @pring: pointer to a IOCB ring.
* @cnt: the number of IOCBs to be posted to the IOCB ring.
@@ -1493,7 +1555,7 @@ lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt)
}
/**
- * lpfc_post_rcv_buf: Post the initial receive IOCB buffers to ELS ring.
+ * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
* @phba: pointer to lpfc hba data structure.
*
* This routine posts initial receive IOCB buffers to the ELS ring. The
@@ -1518,7 +1580,7 @@ lpfc_post_rcv_buf(struct lpfc_hba *phba)
#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
/**
- * lpfc_sha_init: Set up initial array of hash table entries.
+ * lpfc_sha_init - Set up initial array of hash table entries
* @HashResultPointer: pointer to an array as hash table.
*
* This routine sets up the initial values to the array of hash table entries
@@ -1535,7 +1597,7 @@ lpfc_sha_init(uint32_t * HashResultPointer)
}
/**
- * lpfc_sha_iterate: Iterate initial hash table with the working hash table.
+ * lpfc_sha_iterate - Iterate initial hash table with the working hash table
* @HashResultPointer: pointer to an initial/result hash table.
* @HashWorkingPointer: pointer to an working hash table.
*
@@ -1592,7 +1654,7 @@ lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
}
/**
- * lpfc_challenge_key: Create challenge key based on WWPN of the HBA.
+ * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
* @RandomChallenge: pointer to the entry of host challenge random number array.
* @HashWorking: pointer to the entry of the working hash array.
*
@@ -1608,7 +1670,7 @@ lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
}
/**
- * lpfc_hba_init: Perform special handling for LC HBA initialization.
+ * lpfc_hba_init - Perform special handling for LC HBA initialization
* @phba: pointer to lpfc hba data structure.
* @hbainit: pointer to an array of unsigned 32-bit integers.
*
@@ -1637,7 +1699,7 @@ lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
}
/**
- * lpfc_cleanup: Performs vport cleanups before deleting a vport.
+ * lpfc_cleanup - Performs vport cleanups before deleting a vport
* @vport: pointer to a virtual N_Port data structure.
*
* This routine performs the necessary cleanups before deleting the @vport.
@@ -1724,7 +1786,7 @@ lpfc_cleanup(struct lpfc_vport *vport)
}
/**
- * lpfc_stop_vport_timers: Stop all the timers associated with a vport.
+ * lpfc_stop_vport_timers - Stop all the timers associated with a vport
* @vport: pointer to a virtual N_Port data structure.
*
* This routine stops all the timers associated with a @vport. This function
@@ -1741,7 +1803,7 @@ lpfc_stop_vport_timers(struct lpfc_vport *vport)
}
/**
- * lpfc_stop_phba_timers: Stop all the timers associated with an HBA.
+ * lpfc_stop_phba_timers - Stop all the timers associated with an HBA
* @phba: pointer to lpfc hba data structure.
*
* This routine stops all the timers associated with a HBA. This function is
@@ -1761,7 +1823,7 @@ lpfc_stop_phba_timers(struct lpfc_hba *phba)
}
/**
- * lpfc_block_mgmt_io: Mark a HBA's management interface as blocked.
+ * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
* @phba: pointer to lpfc hba data structure.
*
* This routine marks a HBA's management interface as blocked. Once the HBA's
@@ -1781,7 +1843,7 @@ lpfc_block_mgmt_io(struct lpfc_hba * phba)
}
/**
- * lpfc_online: Initialize and bring a HBA online.
+ * lpfc_online - Initialize and bring a HBA online
* @phba: pointer to lpfc hba data structure.
*
* This routine initializes the HBA and brings a HBA online. During this
@@ -1839,7 +1901,7 @@ lpfc_online(struct lpfc_hba *phba)
}
/**
- * lpfc_unblock_mgmt_io: Mark a HBA's management interface to be not blocked.
+ * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
* @phba: pointer to lpfc hba data structure.
*
* This routine marks a HBA's management interface as not blocked. Once the
@@ -1860,7 +1922,7 @@ lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
}
/**
- * lpfc_offline_prep: Prepare a HBA to be brought offline.
+ * lpfc_offline_prep - Prepare a HBA to be brought offline
* @phba: pointer to lpfc hba data structure.
*
* This routine is invoked to prepare a HBA to be brought offline. It performs
@@ -1917,7 +1979,7 @@ lpfc_offline_prep(struct lpfc_hba * phba)
}
/**
- * lpfc_offline: Bring a HBA offline.
+ * lpfc_offline - Bring a HBA offline
* @phba: pointer to lpfc hba data structure.
*
* This routine actually brings a HBA offline. It stops all the timers
@@ -1962,7 +2024,7 @@ lpfc_offline(struct lpfc_hba *phba)
}
/**
- * lpfc_scsi_free: Free all the SCSI buffers and IOCBs from driver lists.
+ * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
* @phba: pointer to lpfc hba data structure.
*
* This routine is to free all the SCSI buffers and IOCBs from the driver
@@ -2001,7 +2063,7 @@ lpfc_scsi_free(struct lpfc_hba *phba)
}
/**
- * lpfc_create_port: Create an FC port.
+ * lpfc_create_port - Create an FC port
* @phba: pointer to lpfc hba data structure.
* @instance: a unique integer ID to this FC port.
* @dev: pointer to the device data structure.
@@ -2091,7 +2153,7 @@ out:
}
/**
- * destroy_port: Destroy an FC port.
+ * destroy_port - destroy an FC port
* @vport: pointer to an lpfc virtual N_Port data structure.
*
* This routine destroys a FC port from the upper layer protocol. All the
@@ -2116,7 +2178,7 @@ destroy_port(struct lpfc_vport *vport)
}
/**
- * lpfc_get_instance: Get a unique integer ID.
+ * lpfc_get_instance - Get a unique integer ID
*
* This routine allocates a unique integer ID from lpfc_hba_index pool. It
* uses the kernel idr facility to perform the task.
@@ -2139,7 +2201,7 @@ lpfc_get_instance(void)
}
/**
- * lpfc_scan_finished: method for SCSI layer to detect whether scan is done.
+ * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
* @shost: pointer to SCSI host data structure.
* @time: elapsed time of the scan in jiffies.
*
@@ -2197,7 +2259,7 @@ finished:
}
/**
- * lpfc_host_attrib_init: Initialize SCSI host attributes on a FC port.
+ * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
* @shost: pointer to SCSI host data structure.
*
* This routine initializes a given SCSI host attributes on a FC port. The
@@ -2252,7 +2314,7 @@ void lpfc_host_attrib_init(struct Scsi_Host *shost)
}
/**
- * lpfc_enable_msix: Enable MSI-X interrupt mode.
+ * lpfc_enable_msix - Enable MSI-X interrupt mode
* @phba: pointer to lpfc hba data structure.
*
* This routine is invoked to enable the MSI-X interrupt vectors. The kernel
@@ -2366,7 +2428,7 @@ msi_fail_out:
}
/**
- * lpfc_disable_msix: Disable MSI-X interrupt mode.
+ * lpfc_disable_msix - Disable MSI-X interrupt mode
* @phba: pointer to lpfc hba data structure.
*
* This routine is invoked to release the MSI-X vectors and then disable the
@@ -2385,7 +2447,7 @@ lpfc_disable_msix(struct lpfc_hba *phba)
}
/**
- * lpfc_enable_msi: Enable MSI interrupt mode.
+ * lpfc_enable_msi - Enable MSI interrupt mode
* @phba: pointer to lpfc hba data structure.
*
* This routine is invoked to enable the MSI interrupt mode. The kernel
@@ -2423,7 +2485,7 @@ lpfc_enable_msi(struct lpfc_hba *phba)
}
/**
- * lpfc_disable_msi: Disable MSI interrupt mode.
+ * lpfc_disable_msi - Disable MSI interrupt mode
* @phba: pointer to lpfc hba data structure.
*
* This routine is invoked to disable the MSI interrupt mode. The driver
@@ -2441,7 +2503,7 @@ lpfc_disable_msi(struct lpfc_hba *phba)
}
/**
- * lpfc_log_intr_mode: Log the active interrupt mode
+ * lpfc_log_intr_mode - Log the active interrupt mode
* @phba: pointer to lpfc hba data structure.
* @intr_mode: active interrupt mode adopted.
*
@@ -2490,7 +2552,7 @@ lpfc_stop_port(struct lpfc_hba *phba)
}
/**
- * lpfc_enable_intr: Enable device interrupt.
+ * lpfc_enable_intr - Enable device interrupt
* @phba: pointer to lpfc hba data structure.
*
* This routine is invoked to enable device interrupt and associate driver's
@@ -2547,7 +2609,7 @@ lpfc_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
}
/**
- * lpfc_disable_intr: Disable device interrupt.
+ * lpfc_disable_intr - Disable device interrupt
* @phba: pointer to lpfc hba data structure.
*
* This routine is invoked to disable device interrupt and disassociate the
@@ -2574,7 +2636,7 @@ lpfc_disable_intr(struct lpfc_hba *phba)
}
/**
- * lpfc_pci_probe_one: lpfc PCI probe func to register device to PCI subsystem.
+ * lpfc_pci_probe_one - lpfc PCI probe func to register device to PCI subsystem
* @pdev: pointer to PCI device
* @pid: pointer to PCI device identifier
*
@@ -3010,7 +3072,7 @@ out:
}
/**
- * lpfc_pci_remove_one: lpfc PCI func to unregister device from PCI subsystem.
+ * lpfc_pci_remove_one - lpfc PCI func to unregister device from PCI subsystem
* @pdev: pointer to PCI device
*
* This routine is to be registered to the kernel's PCI subsystem. When an
@@ -3033,8 +3095,6 @@ lpfc_pci_remove_one(struct pci_dev *pdev)
lpfc_free_sysfs_attr(vport);
- kthread_stop(phba->worker_thread);
-
/* Release all the vports against this physical port */
vports = lpfc_create_vport_work_array(phba);
if (vports != NULL)
@@ -3052,7 +3112,12 @@ lpfc_pci_remove_one(struct pci_dev *pdev)
* clears the rings, discards all mailbox commands, and resets
* the HBA.
*/
+
+ /* HBA interrupt will be diabled after this call */
lpfc_sli_hba_down(phba);
+ /* Stop kthread signal shall trigger work_done one more time */
+ kthread_stop(phba->worker_thread);
+ /* Final cleanup of txcmplq and reset the HBA */
lpfc_sli_brdrestart(phba);
lpfc_stop_phba_timers(phba);
@@ -3095,7 +3160,7 @@ lpfc_pci_remove_one(struct pci_dev *pdev)
}
/**
- * lpfc_pci_suspend_one: lpfc PCI func to suspend device for power management.
+ * lpfc_pci_suspend_one - lpfc PCI func to suspend device for power management
* @pdev: pointer to PCI device
* @msg: power management message
*
@@ -3139,7 +3204,7 @@ lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg)
}
/**
- * lpfc_pci_resume_one: lpfc PCI func to resume device for power management.
+ * lpfc_pci_resume_one - lpfc PCI func to resume device for power management
* @pdev: pointer to PCI device
*
* This routine is to be registered to the kernel's PCI subsystem to support
@@ -3204,7 +3269,7 @@ lpfc_pci_resume_one(struct pci_dev *pdev)
}
/**
- * lpfc_io_error_detected: Driver method for handling PCI I/O error detected.
+ * lpfc_io_error_detected - Driver method for handling PCI I/O error detected
* @pdev: pointer to PCI device.
* @state: the current PCI connection state.
*
@@ -3254,7 +3319,7 @@ static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
}
/**
- * lpfc_io_slot_reset: Restart a PCI device from scratch.
+ * lpfc_io_slot_reset - Restart a PCI device from scratch
* @pdev: pointer to PCI device.
*
* This routine is registered to the PCI subsystem for error handling. This is
@@ -3313,7 +3378,7 @@ static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
}
/**
- * lpfc_io_resume: Resume PCI I/O operation.
+ * lpfc_io_resume - Resume PCI I/O operation
* @pdev: pointer to PCI device
*
* This routine is registered to the PCI subsystem for error handling. It is
@@ -3426,7 +3491,7 @@ static struct pci_driver lpfc_driver = {
};
/**
- * lpfc_init: lpfc module initialization routine.
+ * lpfc_init - lpfc module initialization routine
*
* This routine is to be invoked when the lpfc module is loaded into the
* kernel. The special kernel macro module_init() is used to indicate the
@@ -3472,7 +3537,7 @@ lpfc_init(void)
}
/**
- * lpfc_exit: lpfc module removal routine.
+ * lpfc_exit - lpfc module removal routine
*
* This routine is invoked when the lpfc module is removed from the kernel.
* The special kernel macro module_exit() is used to indicate the role of
diff --git a/drivers/scsi/lpfc/lpfc_logmsg.h b/drivers/scsi/lpfc/lpfc_logmsg.h
index a85b7c196bbc..1aa85709b012 100644
--- a/drivers/scsi/lpfc/lpfc_logmsg.h
+++ b/drivers/scsi/lpfc/lpfc_logmsg.h
@@ -27,7 +27,7 @@
#define LOG_FCP 0x40 /* FCP traffic history */
#define LOG_NODE 0x80 /* Node table events */
#define LOG_TEMP 0x100 /* Temperature sensor events */
-#define LOG_BG 0x200 /* BlockBuard events */
+#define LOG_BG 0x200 /* BlockGuard events */
#define LOG_MISC 0x400 /* Miscellaneous events */
#define LOG_SLI 0x800 /* SLI events */
#define LOG_FCP_ERROR 0x1000 /* log errors, not underruns */
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index 34eeb086a667..134fc7fc2127 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -39,7 +39,7 @@
#include "lpfc_compat.h"
/**
- * lpfc_dump_mem: Prepare a mailbox command for retrieving HBA's VPD memory.
+ * lpfc_dump_mem - Prepare a mailbox command for retrieving HBA's VPD memory
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
* @offset: offset for dumping VPD memory mailbox command.
@@ -77,9 +77,10 @@ lpfc_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset)
}
/**
- * lpfc_dump_mem: Prepare a mailbox command for retrieving wakeup params.
+ * lpfc_dump_wakeup_param - Prepare mailbox command for retrieving wakeup params
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
+ *
* This function create a dump memory mailbox command to dump wake up
* parameters.
*/
@@ -109,7 +110,7 @@ lpfc_dump_wakeup_param(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
}
/**
- * lpfc_read_nv: Prepare a mailbox command for reading HBA's NVRAM param.
+ * lpfc_read_nv - Prepare a mailbox command for reading HBA's NVRAM param
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
*
@@ -132,7 +133,7 @@ lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
}
/**
- * lpfc_config_async: Prepare a mailbox command for enabling HBA async event.
+ * lpfc_config_async - Prepare a mailbox command for enabling HBA async event
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
* @ring: ring number for the asynchronous event to be configured.
@@ -159,7 +160,7 @@ lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
}
/**
- * lpfc_heart_beat: Prepare a mailbox command for heart beat.
+ * lpfc_heart_beat - Prepare a mailbox command for heart beat
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
*
@@ -184,7 +185,7 @@ lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
}
/**
- * lpfc_read_la: Prepare a mailbox command for reading HBA link attention.
+ * lpfc_read_la - Prepare a mailbox command for reading HBA link attention
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
* @mp: DMA buffer memory for reading the link attention information into.
@@ -228,7 +229,7 @@ lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, struct lpfc_dmabuf *mp)
}
/**
- * lpfc_clear_la: Prepare a mailbox command for clearing HBA link attention.
+ * lpfc_clear_la - Prepare a mailbox command for clearing HBA link attention
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
*
@@ -257,7 +258,7 @@ lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
}
/**
- * lpfc_config_link: Prepare a mailbox command for configuring link on a HBA.
+ * lpfc_config_link - Prepare a mailbox command for configuring link on a HBA
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
*
@@ -305,7 +306,7 @@ lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
}
/**
- * lpfc_config_msi: Prepare a mailbox command for configuring msi-x.
+ * lpfc_config_msi - Prepare a mailbox command for configuring msi-x
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
*
@@ -383,7 +384,7 @@ lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
}
/**
- * lpfc_init_link: Prepare a mailbox command for initialize link on a HBA.
+ * lpfc_init_link - Prepare a mailbox command for initialize link on a HBA
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
* @topology: the link topology for the link to be initialized to.
@@ -463,7 +464,7 @@ lpfc_init_link(struct lpfc_hba * phba,
}
/**
- * lpfc_read_sparam: Prepare a mailbox command for reading HBA parameters.
+ * lpfc_read_sparam - Prepare a mailbox command for reading HBA parameters
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
* @vpi: virtual N_Port identifier.
@@ -523,7 +524,7 @@ lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi)
}
/**
- * lpfc_unreg_did: Prepare a mailbox command for unregistering DID.
+ * lpfc_unreg_did - Prepare a mailbox command for unregistering DID
* @phba: pointer to lpfc hba data structure.
* @vpi: virtual N_Port identifier.
* @did: remote port identifier.
@@ -555,7 +556,7 @@ lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did,
}
/**
- * lpfc_read_config: Prepare a mailbox command for reading HBA configuration.
+ * lpfc_read_config - Prepare a mailbox command for reading HBA configuration
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
*
@@ -581,7 +582,7 @@ lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
}
/**
- * lpfc_read_lnk_stat: Prepare a mailbox command for reading HBA link stats.
+ * lpfc_read_lnk_stat - Prepare a mailbox command for reading HBA link stats
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
*
@@ -606,7 +607,7 @@ lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
}
/**
- * lpfc_reg_login: Prepare a mailbox command for registering remote login.
+ * lpfc_reg_login - Prepare a mailbox command for registering remote login
* @phba: pointer to lpfc hba data structure.
* @vpi: virtual N_Port identifier.
* @did: remote port identifier.
@@ -677,7 +678,7 @@ lpfc_reg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t did,
}
/**
- * lpfc_unreg_login: Prepare a mailbox command for unregistering remote login.
+ * lpfc_unreg_login - Prepare a mailbox command for unregistering remote login
* @phba: pointer to lpfc hba data structure.
* @vpi: virtual N_Port identifier.
* @rpi: remote port identifier
@@ -709,7 +710,7 @@ lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi,
}
/**
- * lpfc_reg_vpi: Prepare a mailbox command for registering vport identifier.
+ * lpfc_reg_vpi - Prepare a mailbox command for registering vport identifier
* @phba: pointer to lpfc hba data structure.
* @vpi: virtual N_Port identifier.
* @sid: Fibre Channel S_ID (N_Port_ID assigned to a virtual N_Port).
@@ -741,7 +742,7 @@ lpfc_reg_vpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t sid,
}
/**
- * lpfc_unreg_vpi: Prepare a mailbox command for unregistering vport id.
+ * lpfc_unreg_vpi - Prepare a mailbox command for unregistering vport id
* @phba: pointer to lpfc hba data structure.
* @vpi: virtual N_Port identifier.
* @pmb: pointer to the driver internal queue element for mailbox command.
@@ -771,7 +772,7 @@ lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb)
}
/**
- * lpfc_config_pcb_setup: Set up IOCB rings in the Port Control Block (PCB)
+ * lpfc_config_pcb_setup - Set up IOCB rings in the Port Control Block (PCB)
* @phba: pointer to lpfc hba data structure.
*
* This routine sets up and initializes the IOCB rings in the Port Control
@@ -835,7 +836,7 @@ lpfc_config_pcb_setup(struct lpfc_hba * phba)
}
/**
- * lpfc_read_rev: Prepare a mailbox command for reading HBA revision.
+ * lpfc_read_rev - Prepare a mailbox command for reading HBA revision
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
*
@@ -861,7 +862,7 @@ lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
}
/**
- * lpfc_build_hbq_profile2: Set up the HBQ Selection Profile 2.
+ * lpfc_build_hbq_profile2 - Set up the HBQ Selection Profile 2
* @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
* @hbq_desc: pointer to the HBQ selection profile descriptor.
*
@@ -880,7 +881,7 @@ lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb,
}
/**
- * lpfc_build_hbq_profile3: Set up the HBQ Selection Profile 3.
+ * lpfc_build_hbq_profile3 - Set up the HBQ Selection Profile 3
* @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
* @hbq_desc: pointer to the HBQ selection profile descriptor.
*
@@ -902,7 +903,7 @@ lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb,
}
/**
- * lpfc_build_hbq_profile5: Set up the HBQ Selection Profile 5.
+ * lpfc_build_hbq_profile5 - Set up the HBQ Selection Profile 5
* @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
* @hbq_desc: pointer to the HBQ selection profile descriptor.
*
@@ -925,7 +926,7 @@ lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb,
}
/**
- * lpfc_config_hbq: Prepare a mailbox command for configuring an HBQ.
+ * lpfc_config_hbq - Prepare a mailbox command for configuring an HBQ
* @phba: pointer to lpfc hba data structure.
* @id: HBQ identifier.
* @hbq_desc: pointer to the HBA descriptor data structure.
@@ -999,7 +1000,7 @@ lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id,
}
/**
- * lpfc_config_ring: Prepare a mailbox command for configuring an IOCB ring.
+ * lpfc_config_ring - Prepare a mailbox command for configuring an IOCB ring
* @phba: pointer to lpfc hba data structure.
* @ring:
* @pmb: pointer to the driver internal queue element for mailbox command.
@@ -1057,7 +1058,7 @@ lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb)
}
/**
- * lpfc_config_port: Prepare a mailbox command for configuring port.
+ * lpfc_config_port - Prepare a mailbox command for configuring port
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
*
@@ -1227,7 +1228,7 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
}
/**
- * lpfc_kill_board: Prepare a mailbox command for killing board.
+ * lpfc_kill_board - Prepare a mailbox command for killing board
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
*
@@ -1253,7 +1254,7 @@ lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
}
/**
- * lpfc_mbox_put: Put a mailbox cmd into the tail of driver's mailbox queue.
+ * lpfc_mbox_put - Put a mailbox cmd into the tail of driver's mailbox queue
* @phba: pointer to lpfc hba data structure.
* @mbq: pointer to the driver internal queue element for mailbox command.
*
@@ -1277,7 +1278,7 @@ lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
}
/**
- * lpfc_mbox_get: Remove a mailbox cmd from the head of driver's mailbox queue.
+ * lpfc_mbox_get - Remove a mailbox cmd from the head of driver's mailbox queue
* @phba: pointer to lpfc hba data structure.
*
* Driver maintains a internal mailbox command queue implemented as a linked
@@ -1304,7 +1305,7 @@ lpfc_mbox_get(struct lpfc_hba * phba)
}
/**
- * lpfc_mbox_cmpl_put: Put mailbox command into mailbox command complete list.
+ * lpfc_mbox_cmpl_put - Put mailbox command into mailbox command complete list
* @phba: pointer to lpfc hba data structure.
* @mbq: pointer to the driver internal queue element for mailbox command.
*
@@ -1327,7 +1328,7 @@ lpfc_mbox_cmpl_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
}
/**
- * lpfc_mbox_tmo_val: Retrieve mailbox command timeout value.
+ * lpfc_mbox_tmo_val - Retrieve mailbox command timeout value
* @phba: pointer to lpfc hba data structure.
* @cmd: mailbox command code.
*
diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c
index a4bba2069248..35a976733398 100644
--- a/drivers/scsi/lpfc/lpfc_mem.c
+++ b/drivers/scsi/lpfc/lpfc_mem.c
@@ -41,7 +41,7 @@
/**
- * lpfc_mem_alloc: create and allocate all PCI and memory pools
+ * lpfc_mem_alloc - create and allocate all PCI and memory pools
* @phba: HBA to allocate pools for
*
* Description: Creates and allocates PCI pools lpfc_scsi_dma_buf_pool,
@@ -136,12 +136,12 @@ lpfc_mem_alloc(struct lpfc_hba * phba)
}
/**
- * lpfc_mem_free: Frees all PCI and memory allocated by lpfc_mem_alloc
+ * lpfc_mem_free - Frees all PCI and memory allocated by lpfc_mem_alloc
* @phba: HBA to free memory for
*
* Description: Frees PCI pools lpfc_scsi_dma_buf_pool, lpfc_mbuf_pool,
* lpfc_hbq_pool. Frees kmalloc-backed mempools for LPFC_MBOXQ_t and
- * lpfc_nodelist. Also frees the VPI bitmask.
+ * lpfc_nodelist. Also frees the VPI bitmask
*
* Returns: None
**/
@@ -212,7 +212,7 @@ lpfc_mem_free(struct lpfc_hba * phba)
}
/**
- * lpfc_mbuf_alloc: Allocate an mbuf from the lpfc_mbuf_pool PCI pool
+ * lpfc_mbuf_alloc - Allocate an mbuf from the lpfc_mbuf_pool PCI pool
* @phba: HBA which owns the pool to allocate from
* @mem_flags: indicates if this is a priority (MEM_PRI) allocation
* @handle: used to return the DMA-mapped address of the mbuf
@@ -249,7 +249,7 @@ lpfc_mbuf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle)
}
/**
- * __lpfc_mem_free: Free an mbuf from the lpfc_mbuf_pool PCI pool (locked)
+ * __lpfc_mbuf_free - Free an mbuf from the lpfc_mbuf_pool PCI pool (locked)
* @phba: HBA which owns the pool to return to
* @virt: mbuf to free
* @dma: the DMA-mapped address of the lpfc_mbuf_pool to be freed
@@ -278,7 +278,7 @@ __lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
}
/**
- * lpfc_mem_free: Free an mbuf from the lpfc_mbuf_pool PCI pool (unlocked)
+ * lpfc_mbuf_free - Free an mbuf from the lpfc_mbuf_pool PCI pool (unlocked)
* @phba: HBA which owns the pool to return to
* @virt: mbuf to free
* @dma: the DMA-mapped address of the lpfc_mbuf_pool to be freed
@@ -291,7 +291,6 @@ __lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
* Returns: None
**/
void
-
lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
{
unsigned long iflags;
@@ -303,7 +302,7 @@ lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
}
/**
- * lpfc_els_hbq_alloc: Allocate an HBQ buffer
+ * lpfc_els_hbq_alloc - Allocate an HBQ buffer
* @phba: HBA to allocate HBQ buffer for
*
* Description: Allocates a DMA-mapped HBQ buffer from the lpfc_hbq_pool PCI
@@ -335,7 +334,7 @@ lpfc_els_hbq_alloc(struct lpfc_hba *phba)
}
/**
- * lpfc_mem_hbq_free: Frees an HBQ buffer allocated with lpfc_els_hbq_alloc
+ * lpfc_mem_hbq_free - Frees an HBQ buffer allocated with lpfc_els_hbq_alloc
* @phba: HBA buffer was allocated for
* @hbqbp: HBQ container returned by lpfc_els_hbq_alloc
*
@@ -355,7 +354,7 @@ lpfc_els_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp)
}
/**
- * lpfc_in_buf_free: Free a DMA buffer
+ * lpfc_in_buf_free - Free a DMA buffer
* @phba: HBA buffer is associated with
* @mp: Buffer to free
*
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 8f548adae9cc..08cdc77af41c 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -192,7 +192,6 @@ lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
struct lpfc_sli *psli = &phba->sli;
struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
struct lpfc_iocbq *iocb, *next_iocb;
- IOCB_t *cmd;
/* Abort outstanding I/O on NPort <nlp_DID> */
lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_DISCOVERY,
@@ -223,19 +222,10 @@ lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
}
spin_unlock_irq(&phba->hbalock);
- while (!list_empty(&completions)) {
- iocb = list_get_first(&completions, struct lpfc_iocbq, list);
- cmd = &iocb->iocb;
- list_del_init(&iocb->list);
-
- if (!iocb->iocb_cmpl)
- lpfc_sli_release_iocbq(phba, iocb);
- else {
- cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
- cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
- (iocb->iocb_cmpl) (phba, iocb, iocb);
- }
- }
+ /* Cancel all the IOCBs from the completions list */
+ lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
+ IOERR_SLI_ABORTED);
+
lpfc_cancel_retry_delay_tmo(phba->pport, ndlp);
return 0;
}
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 36fd2e75da1c..167b66dd34c7 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -112,7 +112,7 @@ lpfc_debug_save_dif(struct scsi_cmnd *cmnd)
}
/**
- * lpfc_update_stats: Update statistical data for the command completion.
+ * lpfc_update_stats - Update statistical data for the command completion
* @phba: Pointer to HBA object.
* @lpfc_cmd: lpfc scsi command object pointer.
*
@@ -165,8 +165,7 @@ lpfc_update_stats(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
}
/**
- * lpfc_send_sdev_queuedepth_change_event: Posts a queuedepth change
- * event.
+ * lpfc_send_sdev_queuedepth_change_event - Posts a queuedepth change event
* @phba: Pointer to HBA context object.
* @vport: Pointer to vport object.
* @ndlp: Pointer to FC node associated with the target.
@@ -220,7 +219,7 @@ lpfc_send_sdev_queuedepth_change_event(struct lpfc_hba *phba,
}
/**
- * lpfc_rampdown_queue_depth: Post RAMP_DOWN_QUEUE event to worker thread.
+ * lpfc_rampdown_queue_depth - Post RAMP_DOWN_QUEUE event to worker thread
* @phba: The Hba for which this call is being executed.
*
* This routine is called when there is resource error in driver or firmware.
@@ -261,7 +260,7 @@ lpfc_rampdown_queue_depth(struct lpfc_hba *phba)
}
/**
- * lpfc_rampup_queue_depth: Post RAMP_UP_QUEUE event for worker thread.
+ * lpfc_rampup_queue_depth - Post RAMP_UP_QUEUE event for worker thread
* @phba: The Hba for which this call is being executed.
*
* This routine post WORKER_RAMP_UP_QUEUE event for @phba vport. This routine
@@ -273,14 +272,14 @@ lpfc_rampdown_queue_depth(struct lpfc_hba *phba)
**/
static inline void
lpfc_rampup_queue_depth(struct lpfc_vport *vport,
- struct scsi_device *sdev)
+ uint32_t queue_depth)
{
unsigned long flags;
struct lpfc_hba *phba = vport->phba;
uint32_t evt_posted;
atomic_inc(&phba->num_cmd_success);
- if (vport->cfg_lun_queue_depth <= sdev->queue_depth)
+ if (vport->cfg_lun_queue_depth <= queue_depth)
return;
spin_lock_irqsave(&phba->hbalock, flags);
if (((phba->last_ramp_up_time + QUEUE_RAMP_UP_INTERVAL) > jiffies) ||
@@ -303,7 +302,7 @@ lpfc_rampup_queue_depth(struct lpfc_vport *vport,
}
/**
- * lpfc_ramp_down_queue_handler: WORKER_RAMP_DOWN_QUEUE event handler.
+ * lpfc_ramp_down_queue_handler - WORKER_RAMP_DOWN_QUEUE event handler
* @phba: The Hba for which this call is being executed.
*
* This routine is called to process WORKER_RAMP_DOWN_QUEUE event for worker
@@ -361,7 +360,7 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
}
/**
- * lpfc_ramp_up_queue_handler: WORKER_RAMP_UP_QUEUE event handler.
+ * lpfc_ramp_up_queue_handler - WORKER_RAMP_UP_QUEUE event handler
* @phba: The Hba for which this call is being executed.
*
* This routine is called to process WORKER_RAMP_UP_QUEUE event for worker
@@ -410,7 +409,7 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba)
}
/**
- * lpfc_scsi_dev_block: set all scsi hosts to block state.
+ * lpfc_scsi_dev_block - set all scsi hosts to block state
* @phba: Pointer to HBA context object.
*
* This function walks vport list and set each SCSI host to block state
@@ -439,7 +438,7 @@ lpfc_scsi_dev_block(struct lpfc_hba *phba)
}
/**
- * lpfc_new_scsi_buf: Scsi buffer allocator.
+ * lpfc_new_scsi_buf - Scsi buffer allocator
* @vport: The virtual port for which this call being executed.
*
* This routine allocates a scsi buffer, which contains all the necessary
@@ -563,7 +562,7 @@ lpfc_new_scsi_buf(struct lpfc_vport *vport)
}
/**
- * lpfc_get_scsi_buf: Get a scsi buffer from lpfc_scsi_buf_list list of Hba.
+ * lpfc_get_scsi_buf - Get a scsi buffer from lpfc_scsi_buf_list list of Hba
* @phba: The Hba for which this call is being executed.
*
* This routine removes a scsi buffer from head of @phba lpfc_scsi_buf_list list
@@ -592,7 +591,7 @@ lpfc_get_scsi_buf(struct lpfc_hba * phba)
}
/**
- * lpfc_release_scsi_buf: Return a scsi buffer back to hba lpfc_scsi_buf_list list.
+ * lpfc_release_scsi_buf - Return a scsi buffer back to hba's lpfc_scsi_buf_list
* @phba: The Hba for which this call is being executed.
* @psb: The scsi buffer which is being released.
*
@@ -611,7 +610,7 @@ lpfc_release_scsi_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *psb)
}
/**
- * lpfc_scsi_prep_dma_buf: Routine to do DMA mapping for scsi buffer.
+ * lpfc_scsi_prep_dma_buf - Routine to do DMA mapping for scsi buffer
* @phba: The Hba for which this call is being executed.
* @lpfc_cmd: The scsi buffer which is going to be mapped.
*
@@ -738,7 +737,7 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
* Due to difference in data length between DIF/non-DIF paths,
* we need to set word 4 of IOCB here
*/
- iocb_cmd->un.fcpi.fcpi_parm = le32_to_cpu(scsi_bufflen(scsi_cmnd));
+ iocb_cmd->un.fcpi.fcpi_parm = scsi_bufflen(scsi_cmnd);
return 0;
}
@@ -823,9 +822,9 @@ lpfc_cmd_blksize(struct scsi_cmnd *sc)
/**
* lpfc_get_cmd_dif_parms - Extract DIF parameters from SCSI command
* @sc: in: SCSI command
- * @apptagmask out: app tag mask
- * @apptagval out: app tag value
- * @reftag out: ref tag (reference tag)
+ * @apptagmask: out: app tag mask
+ * @apptagval: out: app tag value
+ * @reftag: out: ref tag (reference tag)
*
* Description:
* Extract DIF paramters from the command if possible. Otherwise,
@@ -1413,7 +1412,7 @@ out:
}
/**
- * lpfc_send_scsi_error_event: Posts an event when there is SCSI error.
+ * lpfc_send_scsi_error_event - Posts an event when there is SCSI error
* @phba: Pointer to hba context object.
* @vport: Pointer to vport object.
* @lpfc_cmd: Pointer to lpfc scsi command which reported the error.
@@ -1505,7 +1504,7 @@ lpfc_send_scsi_error_event(struct lpfc_hba *phba, struct lpfc_vport *vport,
}
/**
- * lpfc_scsi_unprep_dma_buf: Routine to un-map DMA mapping of scatter gather.
+ * lpfc_scsi_unprep_dma_buf - Routine to un-map DMA mapping of scatter gather
* @phba: The Hba for which this call is being executed.
* @psb: The scsi buffer which is going to be un-mapped.
*
@@ -1530,7 +1529,7 @@ lpfc_scsi_unprep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * psb)
}
/**
- * lpfc_handler_fcp_err: FCP response handler.
+ * lpfc_handler_fcp_err - FCP response handler
* @vport: The virtual port for which this call is being executed.
* @lpfc_cmd: Pointer to lpfc_scsi_buf data structure.
* @rsp_iocb: The response IOCB which contains FCP error.
@@ -1674,7 +1673,7 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
}
/**
- * lpfc_scsi_cmd_iocb_cmpl: Scsi cmnd IOCB completion routine.
+ * lpfc_scsi_cmd_iocb_cmpl - Scsi cmnd IOCB completion routine
* @phba: The Hba for which this call is being executed.
* @pIocbIn: The command IOCBQ for the scsi cmnd.
* @pIocbOut: The response IOCBQ for the scsi cmnd .
@@ -1694,10 +1693,12 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
struct lpfc_nodelist *pnode = rdata->pnode;
struct scsi_cmnd *cmd = lpfc_cmd->pCmd;
int result;
- struct scsi_device *sdev, *tmp_sdev;
+ struct scsi_device *tmp_sdev;
int depth = 0;
unsigned long flags;
struct lpfc_fast_path_event *fast_path_evt;
+ struct Scsi_Host *shost = cmd->device->host;
+ uint32_t queue_depth, scsi_id;
lpfc_cmd->result = pIocbOut->iocb.un.ulpWord[4];
lpfc_cmd->status = pIocbOut->iocb.ulpStatus;
@@ -1808,11 +1809,10 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
lpfc_update_stats(phba, lpfc_cmd);
result = cmd->result;
- sdev = cmd->device;
if (vport->cfg_max_scsicmpl_time &&
time_after(jiffies, lpfc_cmd->start_time +
msecs_to_jiffies(vport->cfg_max_scsicmpl_time))) {
- spin_lock_irqsave(sdev->host->host_lock, flags);
+ spin_lock_irqsave(shost->host_lock, flags);
if (pnode && NLP_CHK_NODE_ACT(pnode)) {
if (pnode->cmd_qdepth >
atomic_read(&pnode->cmd_pending) &&
@@ -1825,22 +1825,26 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
pnode->last_change_time = jiffies;
}
- spin_unlock_irqrestore(sdev->host->host_lock, flags);
+ spin_unlock_irqrestore(shost->host_lock, flags);
} else if (pnode && NLP_CHK_NODE_ACT(pnode)) {
if ((pnode->cmd_qdepth < LPFC_MAX_TGT_QDEPTH) &&
time_after(jiffies, pnode->last_change_time +
msecs_to_jiffies(LPFC_TGTQ_INTERVAL))) {
- spin_lock_irqsave(sdev->host->host_lock, flags);
+ spin_lock_irqsave(shost->host_lock, flags);
pnode->cmd_qdepth += pnode->cmd_qdepth *
LPFC_TGTQ_RAMPUP_PCENT / 100;
if (pnode->cmd_qdepth > LPFC_MAX_TGT_QDEPTH)
pnode->cmd_qdepth = LPFC_MAX_TGT_QDEPTH;
pnode->last_change_time = jiffies;
- spin_unlock_irqrestore(sdev->host->host_lock, flags);
+ spin_unlock_irqrestore(shost->host_lock, flags);
}
}
lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd);
+
+ /* The sdev is not guaranteed to be valid post scsi_done upcall. */
+ queue_depth = cmd->device->queue_depth;
+ scsi_id = cmd->device->id;
cmd->scsi_done(cmd);
if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
@@ -1848,28 +1852,28 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
* If there is a thread waiting for command completion
* wake up the thread.
*/
- spin_lock_irqsave(sdev->host->host_lock, flags);
+ spin_lock_irqsave(shost->host_lock, flags);
lpfc_cmd->pCmd = NULL;
if (lpfc_cmd->waitq)
wake_up(lpfc_cmd->waitq);
- spin_unlock_irqrestore(sdev->host->host_lock, flags);
+ spin_unlock_irqrestore(shost->host_lock, flags);
lpfc_release_scsi_buf(phba, lpfc_cmd);
return;
}
if (!result)
- lpfc_rampup_queue_depth(vport, sdev);
+ lpfc_rampup_queue_depth(vport, queue_depth);
if (!result && pnode && NLP_CHK_NODE_ACT(pnode) &&
((jiffies - pnode->last_ramp_up_time) >
LPFC_Q_RAMP_UP_INTERVAL * HZ) &&
((jiffies - pnode->last_q_full_time) >
LPFC_Q_RAMP_UP_INTERVAL * HZ) &&
- (vport->cfg_lun_queue_depth > sdev->queue_depth)) {
- shost_for_each_device(tmp_sdev, sdev->host) {
+ (vport->cfg_lun_queue_depth > queue_depth)) {
+ shost_for_each_device(tmp_sdev, shost) {
if (vport->cfg_lun_queue_depth > tmp_sdev->queue_depth){
- if (tmp_sdev->id != sdev->id)
+ if (tmp_sdev->id != scsi_id)
continue;
if (tmp_sdev->ordered_tags)
scsi_adjust_queue_depth(tmp_sdev,
@@ -1885,7 +1889,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
}
lpfc_send_sdev_queuedepth_change_event(phba, vport, pnode,
0xFFFFFFFF,
- sdev->queue_depth - 1, sdev->queue_depth);
+ queue_depth , queue_depth + 1);
}
/*
@@ -1896,8 +1900,8 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
NLP_CHK_NODE_ACT(pnode)) {
pnode->last_q_full_time = jiffies;
- shost_for_each_device(tmp_sdev, sdev->host) {
- if (tmp_sdev->id != sdev->id)
+ shost_for_each_device(tmp_sdev, shost) {
+ if (tmp_sdev->id != scsi_id)
continue;
depth = scsi_track_queue_full(tmp_sdev,
tmp_sdev->queue_depth - 1);
@@ -1909,7 +1913,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
* scsi_track_queue_full.
*/
if (depth == -1)
- depth = sdev->host->cmd_per_lun;
+ depth = shost->cmd_per_lun;
if (depth) {
lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP,
@@ -1925,17 +1929,17 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
* If there is a thread waiting for command completion
* wake up the thread.
*/
- spin_lock_irqsave(sdev->host->host_lock, flags);
+ spin_lock_irqsave(shost->host_lock, flags);
lpfc_cmd->pCmd = NULL;
if (lpfc_cmd->waitq)
wake_up(lpfc_cmd->waitq);
- spin_unlock_irqrestore(sdev->host->host_lock, flags);
+ spin_unlock_irqrestore(shost->host_lock, flags);
lpfc_release_scsi_buf(phba, lpfc_cmd);
}
/**
- * lpfc_fcpcmd_to_iocb - copy the fcp_cmd data into the IOCB.
+ * lpfc_fcpcmd_to_iocb - copy the fcp_cmd data into the IOCB
* @data: A pointer to the immediate command data portion of the IOCB.
* @fcp_cmnd: The FCP Command that is provided by the SCSI layer.
*
@@ -1953,7 +1957,7 @@ lpfc_fcpcmd_to_iocb(uint8_t *data, struct fcp_cmnd *fcp_cmnd)
}
/**
- * lpfc_scsi_prep_cmnd: Routine to convert scsi cmnd to FCP information unit.
+ * lpfc_scsi_prep_cmnd - Routine to convert scsi cmnd to FCP information unit
* @vport: The virtual port for which this call is being executed.
* @lpfc_cmd: The scsi command which needs to send.
* @pnode: Pointer to lpfc_nodelist.
@@ -2047,7 +2051,7 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
}
/**
- * lpfc_scsi_prep_task_mgmt_cmnd: Convert scsi TM cmnd to FCP information unit.
+ * lpfc_scsi_prep_task_mgmt_cmnd - Convert scsi TM cmnd to FCP information unit
* @vport: The virtual port for which this call is being executed.
* @lpfc_cmd: Pointer to lpfc_scsi_buf data structure.
* @lun: Logical unit number.
@@ -2110,7 +2114,7 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_vport *vport,
}
/**
- * lpc_taskmgmt_def_cmpl: IOCB completion routine for task management command.
+ * lpfc_taskmgmt_def_cmpl - IOCB completion routine for task management command
* @phba: The Hba for which this call is being executed.
* @cmdiocbq: Pointer to lpfc_iocbq data structure.
* @rspiocbq: Pointer to lpfc_iocbq data structure.
@@ -2131,7 +2135,7 @@ lpfc_tskmgmt_def_cmpl(struct lpfc_hba *phba,
}
/**
- * lpfc_scsi_tgt_reset: Target reset handler.
+ * lpfc_scsi_tgt_reset - Target reset handler
* @lpfc_cmd: Pointer to lpfc_scsi_buf data structure
* @vport: The virtual port for which this call is being executed.
* @tgt_id: Target ID.
@@ -2198,7 +2202,7 @@ lpfc_scsi_tgt_reset(struct lpfc_scsi_buf *lpfc_cmd, struct lpfc_vport *vport,
}
/**
- * lpfc_info: Info entry point of scsi_host_template data structure.
+ * lpfc_info - Info entry point of scsi_host_template data structure
* @host: The scsi host for which this call is being executed.
*
* This routine provides module information about hba.
@@ -2236,7 +2240,7 @@ lpfc_info(struct Scsi_Host *host)
}
/**
- * lpfc_poll_rearm_time: Routine to modify fcp_poll timer of hba.
+ * lpfc_poll_rearm_time - Routine to modify fcp_poll timer of hba
* @phba: The Hba for which this call is being executed.
*
* This routine modifies fcp_poll_timer field of @phba by cfg_poll_tmo.
@@ -2253,7 +2257,7 @@ static __inline__ void lpfc_poll_rearm_timer(struct lpfc_hba * phba)
}
/**
- * lpfc_poll_start_timer: Routine to start fcp_poll_timer of HBA.
+ * lpfc_poll_start_timer - Routine to start fcp_poll_timer of HBA
* @phba: The Hba for which this call is being executed.
*
* This routine starts the fcp_poll_timer of @phba.
@@ -2264,7 +2268,7 @@ void lpfc_poll_start_timer(struct lpfc_hba * phba)
}
/**
- * lpfc_poll_timeout: Restart polling timer.
+ * lpfc_poll_timeout - Restart polling timer
* @ptr: Map to lpfc_hba data structure pointer.
*
* This routine restarts fcp_poll timer, when FCP ring polling is enable
@@ -2283,8 +2287,7 @@ void lpfc_poll_timeout(unsigned long ptr)
}
/**
- * lpfc_queuecommand: Queuecommand entry point of Scsi Host Templater data
- * structure.
+ * lpfc_queuecommand - scsi_host_template queuecommand entry point
* @cmnd: Pointer to scsi_cmnd data structure.
* @done: Pointer to done routine.
*
@@ -2450,7 +2453,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
}
/**
- * lpfc_block_error_handler: Routine to block error handler.
+ * lpfc_block_error_handler - Routine to block error handler
* @cmnd: Pointer to scsi_cmnd data structure.
*
* This routine blocks execution till fc_rport state is not FC_PORSTAT_BLCOEKD.
@@ -2472,8 +2475,7 @@ lpfc_block_error_handler(struct scsi_cmnd *cmnd)
}
/**
- * lpfc_abort_handler: Eh_abort_handler entry point of Scsi Host Template data
- *structure.
+ * lpfc_abort_handler - scsi_host_template eh_abort_handler entry point
* @cmnd: Pointer to scsi_cmnd data structure.
*
* This routine aborts @cmnd pending in base driver.
@@ -2578,8 +2580,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
}
/**
- * lpfc_device_reset_handler: eh_device_reset entry point of Scsi Host Template
- *data structure.
+ * lpfc_device_reset_handler - scsi_host_template eh_device_reset entry point
* @cmnd: Pointer to scsi_cmnd data structure.
*
* This routine does a device reset by sending a TARGET_RESET task management
@@ -2587,7 +2588,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
*
* Return code :
* 0x2003 - Error
- * 0ex2002 - Success
+ * 0x2002 - Success
**/
static int
lpfc_device_reset_handler(struct scsi_cmnd *cmnd)
@@ -2707,8 +2708,7 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd)
}
/**
- * lpfc_bus_reset_handler: eh_bus_reset_handler entry point of Scsi Host
- * Template data structure.
+ * lpfc_bus_reset_handler - scsi_host_template eh_bus_reset_handler entry point
* @cmnd: Pointer to scsi_cmnd data structure.
*
* This routine does target reset to all target on @cmnd->device->host.
@@ -2808,8 +2808,7 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd)
}
/**
- * lpfc_slave_alloc: slave_alloc entry point of Scsi Host Template data
- * structure.
+ * lpfc_slave_alloc - scsi_host_template slave_alloc entry point
* @sdev: Pointer to scsi_device.
*
* This routine populates the cmds_per_lun count + 2 scsi_bufs into this host's
@@ -2883,8 +2882,7 @@ lpfc_slave_alloc(struct scsi_device *sdev)
}
/**
- * lpfc_slave_configure: slave_configure entry point of Scsi Host Templater data
- * structure.
+ * lpfc_slave_configure - scsi_host_template slave_configure entry point
* @sdev: Pointer to scsi_device.
*
* This routine configures following items
@@ -2925,7 +2923,7 @@ lpfc_slave_configure(struct scsi_device *sdev)
}
/**
- * lpfc_slave_destroy: slave_destroy entry point of SHT data structure.
+ * lpfc_slave_destroy - slave_destroy entry point of SHT data structure
* @sdev: Pointer to scsi_device.
*
* This routine sets @sdev hostatdata filed to null.
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index a36a120561e2..eb5c75c45ba4 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -68,7 +68,7 @@ typedef enum _lpfc_iocb_type {
} lpfc_iocb_type;
/**
- * lpfc_cmd_iocb: Get next command iocb entry in the ring.
+ * lpfc_cmd_iocb - Get next command iocb entry in the ring
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
*
@@ -85,7 +85,7 @@ lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
}
/**
- * lpfc_resp_iocb: Get next response iocb entry in the ring.
+ * lpfc_resp_iocb - Get next response iocb entry in the ring
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
*
@@ -102,7 +102,7 @@ lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
}
/**
- * __lpfc_sli_get_iocbq: Allocates an iocb object from iocb pool.
+ * __lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool
* @phba: Pointer to HBA context object.
*
* This function is called with hbalock held. This function
@@ -121,7 +121,7 @@ __lpfc_sli_get_iocbq(struct lpfc_hba *phba)
}
/**
- * lpfc_sli_get_iocbq: Allocates an iocb object from iocb pool.
+ * lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool
* @phba: Pointer to HBA context object.
*
* This function is called with no lock held. This function
@@ -142,7 +142,7 @@ lpfc_sli_get_iocbq(struct lpfc_hba *phba)
}
/**
- * __lpfc_sli_release_iocbq: Release iocb to the iocb pool.
+ * __lpfc_sli_release_iocbq - Release iocb to the iocb pool
* @phba: Pointer to HBA context object.
* @iocbq: Pointer to driver iocb object.
*
@@ -164,7 +164,7 @@ __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
}
/**
- * lpfc_sli_release_iocbq: Release iocb to the iocb pool.
+ * lpfc_sli_release_iocbq - Release iocb to the iocb pool
* @phba: Pointer to HBA context object.
* @iocbq: Pointer to driver iocb object.
*
@@ -185,8 +185,40 @@ lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
}
/**
- * lpfc_sli_iocb_cmd_type: Get the iocb type.
- * @iocb_cmnd : iocb command code.
+ * lpfc_sli_cancel_iocbs - Cancel all iocbs from a list.
+ * @phba: Pointer to HBA context object.
+ * @iocblist: List of IOCBs.
+ * @ulpstatus: ULP status in IOCB command field.
+ * @ulpWord4: ULP word-4 in IOCB command field.
+ *
+ * This function is called with a list of IOCBs to cancel. It cancels the IOCB
+ * on the list by invoking the complete callback function associated with the
+ * IOCB with the provided @ulpstatus and @ulpword4 set to the IOCB commond
+ * fields.
+ **/
+void
+lpfc_sli_cancel_iocbs(struct lpfc_hba *phba, struct list_head *iocblist,
+ uint32_t ulpstatus, uint32_t ulpWord4)
+{
+ struct lpfc_iocbq *piocb;
+
+ while (!list_empty(iocblist)) {
+ list_remove_head(iocblist, piocb, struct lpfc_iocbq, list);
+
+ if (!piocb->iocb_cmpl)
+ lpfc_sli_release_iocbq(phba, piocb);
+ else {
+ piocb->iocb.ulpStatus = ulpstatus;
+ piocb->iocb.un.ulpWord[4] = ulpWord4;
+ (piocb->iocb_cmpl) (phba, piocb, piocb);
+ }
+ }
+ return;
+}
+
+/**
+ * lpfc_sli_iocb_cmd_type - Get the iocb type
+ * @iocb_cmnd: iocb command code.
*
* This function is called by ring event handler function to get the iocb type.
* This function translates the iocb command to an iocb command type used to
@@ -295,7 +327,7 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd)
}
/**
- * lpfc_sli_ring_map: Issue config_ring mbox for all rings.
+ * lpfc_sli_ring_map - Issue config_ring mbox for all rings
* @phba: Pointer to HBA context object.
*
* This function is called from SLI initialization code
@@ -338,7 +370,7 @@ lpfc_sli_ring_map(struct lpfc_hba *phba)
}
/**
- * lpfc_sli_ringtxcmpl_put: Adds new iocb to the txcmplq.
+ * lpfc_sli_ringtxcmpl_put - Adds new iocb to the txcmplq
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
* @piocb: Pointer to the driver iocb object.
@@ -370,7 +402,7 @@ lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
}
/**
- * lpfc_sli_ringtx_get: Get first element of the txq.
+ * lpfc_sli_ringtx_get - Get first element of the txq
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
*
@@ -391,7 +423,7 @@ lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
}
/**
- * lpfc_sli_next_iocb_slot: Get next iocb slot in the ring.
+ * lpfc_sli_next_iocb_slot - Get next iocb slot in the ring
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
*
@@ -445,7 +477,7 @@ lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
}
/**
- * lpfc_sli_next_iotag: Get an iotag for the iocb.
+ * lpfc_sli_next_iotag - Get an iotag for the iocb
* @phba: Pointer to HBA context object.
* @iocbq: Pointer to driver iocb object.
*
@@ -520,7 +552,7 @@ lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
}
/**
- * lpfc_sli_submit_iocb: Submit an iocb to the firmware.
+ * lpfc_sli_submit_iocb - Submit an iocb to the firmware
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
* @iocb: Pointer to iocb slot in the ring.
@@ -577,7 +609,7 @@ lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
}
/**
- * lpfc_sli_update_full_ring: Update the chip attention register.
+ * lpfc_sli_update_full_ring - Update the chip attention register
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
*
@@ -608,7 +640,7 @@ lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
}
/**
- * lpfc_sli_update_ring: Update chip attention register.
+ * lpfc_sli_update_ring - Update chip attention register
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
*
@@ -632,7 +664,7 @@ lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
}
/**
- * lpfc_sli_resume_iocb: Process iocbs in the txq.
+ * lpfc_sli_resume_iocb - Process iocbs in the txq
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
*
@@ -672,7 +704,7 @@ lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
}
/**
- * lpfc_sli_next_hbq_slot: Get next hbq entry for the HBQ.
+ * lpfc_sli_next_hbq_slot - Get next hbq entry for the HBQ
* @phba: Pointer to HBA context object.
* @hbqno: HBQ number.
*
@@ -717,7 +749,7 @@ lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno)
}
/**
- * lpfc_sli_hbqbuf_free_all: Free all the hbq buffers.
+ * lpfc_sli_hbqbuf_free_all - Free all the hbq buffers
* @phba: Pointer to HBA context object.
*
* This function is called with no lock held to free all the
@@ -771,7 +803,7 @@ lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba)
}
/**
- * lpfc_sli_hbq_to_firmware: Post the hbq buffer to firmware.
+ * lpfc_sli_hbq_to_firmware - Post the hbq buffer to firmware
* @phba: Pointer to HBA context object.
* @hbqno: HBQ number.
* @hbq_buf: Pointer to HBQ buffer.
@@ -818,8 +850,8 @@ static struct lpfc_hbq_init lpfc_els_hbq = {
.profile = 0,
.ring_mask = (1 << LPFC_ELS_RING),
.buffer_count = 0,
- .init_count = 20,
- .add_count = 5,
+ .init_count = 40,
+ .add_count = 40,
};
/* HBQ for the extra ring if needed */
@@ -841,7 +873,7 @@ struct lpfc_hbq_init *lpfc_hbq_defs[] = {
};
/**
- * lpfc_sli_hbqbuf_fill_hbqs: Post more hbq buffers to HBQ.
+ * lpfc_sli_hbqbuf_fill_hbqs - Post more hbq buffers to HBQ
* @phba: Pointer to HBA context object.
* @hbqno: HBQ number.
* @count: Number of HBQ buffers to be posted.
@@ -901,7 +933,7 @@ err:
}
/**
- * lpfc_sli_hbqbuf_add_hbqs: Post more HBQ buffers to firmware.
+ * lpfc_sli_hbqbuf_add_hbqs - Post more HBQ buffers to firmware
* @phba: Pointer to HBA context object.
* @qno: HBQ number.
*
@@ -917,7 +949,7 @@ lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno)
}
/**
- * lpfc_sli_hbqbuf_init_hbqs: Post initial buffers to the HBQ.
+ * lpfc_sli_hbqbuf_init_hbqs - Post initial buffers to the HBQ
* @phba: Pointer to HBA context object.
* @qno: HBQ queue number.
*
@@ -933,7 +965,7 @@ lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno)
}
/**
- * lpfc_sli_hbqbuf_find: Find the hbq buffer associated with a tag.
+ * lpfc_sli_hbqbuf_find - Find the hbq buffer associated with a tag
* @phba: Pointer to HBA context object.
* @tag: Tag of the hbq buffer.
*
@@ -966,7 +998,7 @@ lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag)
}
/**
- * lpfc_sli_free_hbq: Give back the hbq buffer to firmware.
+ * lpfc_sli_free_hbq - Give back the hbq buffer to firmware
* @phba: Pointer to HBA context object.
* @hbq_buffer: Pointer to HBQ buffer.
*
@@ -988,7 +1020,7 @@ lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer)
}
/**
- * lpfc_sli_chk_mbx_command: Check if the mailbox is a legitimate mailbox.
+ * lpfc_sli_chk_mbx_command - Check if the mailbox is a legitimate mailbox
* @mbxCommand: mailbox command code.
*
* This function is called by the mailbox event handler function to verify
@@ -1064,8 +1096,7 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand)
}
/**
- * lpfc_sli_wake_mbox_wait: Completion handler for mbox issued from
- * lpfc_sli_issue_mbox_wait.
+ * lpfc_sli_wake_mbox_wait - lpfc_sli_issue_mbox_wait mbox completion handler
* @phba: Pointer to HBA context object.
* @pmboxq: Pointer to mailbox command.
*
@@ -1096,7 +1127,7 @@ lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
/**
- * lpfc_sli_def_mbox_cmpl: Default mailbox completion handler.
+ * lpfc_sli_def_mbox_cmpl - Default mailbox completion handler
* @phba: Pointer to HBA context object.
* @pmb: Pointer to mailbox object.
*
@@ -1140,7 +1171,7 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
}
/**
- * lpfc_sli_handle_mb_event: Handle mailbox completions from firmware.
+ * lpfc_sli_handle_mb_event - Handle mailbox completions from firmware
* @phba: Pointer to HBA context object.
*
* This function is called with no lock held. This function processes all
@@ -1260,7 +1291,7 @@ lpfc_sli_handle_mb_event(struct lpfc_hba *phba)
}
/**
- * lpfc_sli_get_buff: Get the buffer associated with the buffer tag.
+ * lpfc_sli_get_buff - Get the buffer associated with the buffer tag
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
* @tag: buffer tag.
@@ -1288,7 +1319,7 @@ lpfc_sli_get_buff(struct lpfc_hba *phba,
/**
- * lpfc_sli_process_unsol_iocb: Unsolicited iocb handler.
+ * lpfc_sli_process_unsol_iocb - Unsolicited iocb handler
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
* @saveq: Pointer to the unsolicited iocb.
@@ -1484,7 +1515,7 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
}
/**
- * lpfc_sli_iocbq_lookup: Find command iocb for the given response iocb.
+ * lpfc_sli_iocbq_lookup - Find command iocb for the given response iocb
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
* @prspiocb: Pointer to response iocb object.
@@ -1521,7 +1552,7 @@ lpfc_sli_iocbq_lookup(struct lpfc_hba *phba,
}
/**
- * lpfc_sli_process_sol_iocb: process solicited iocb completion.
+ * lpfc_sli_process_sol_iocb - process solicited iocb completion
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
* @saveq: Pointer to the response iocb to be processed.
@@ -1597,7 +1628,7 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
* Ring <ringno> handler: unexpected completion IoTag
* <IoTag>
*/
- lpfc_printf_vlog(cmdiocbp->vport, KERN_WARNING, LOG_SLI,
+ lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
"0322 Ring %d handler: "
"unexpected completion IoTag x%x "
"Data: x%x x%x x%x x%x\n",
@@ -1614,7 +1645,7 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
}
/**
- * lpfc_sli_rsp_pointers_error: Response ring pointer error handler.
+ * lpfc_sli_rsp_pointers_error - Response ring pointer error handler
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
*
@@ -1652,7 +1683,7 @@ lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
}
/**
- * lpfc_poll_eratt: Error attention polling timer timeout handler.
+ * lpfc_poll_eratt - Error attention polling timer timeout handler
* @ptr: Pointer to address of HBA context object.
*
* This function is invoked by the Error Attention polling timer when the
@@ -1682,7 +1713,7 @@ void lpfc_poll_eratt(unsigned long ptr)
}
/**
- * lpfc_sli_poll_fcp_ring: Handle FCP ring completion in polling mode.
+ * lpfc_sli_poll_fcp_ring - Handle FCP ring completion in polling mode
* @phba: Pointer to HBA context object.
*
* This function is called from lpfc_queuecommand, lpfc_poll_timeout,
@@ -1845,7 +1876,7 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba)
}
/**
- * lpfc_sli_handle_fast_ring_event: Handle ring events on FCP ring.
+ * lpfc_sli_handle_fast_ring_event - Handle ring events on FCP ring
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
* @mask: Host attention register mask for this ring.
@@ -2037,7 +2068,7 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba,
}
/**
- * lpfc_sli_handle_slow_ring_event: Handle ring events for non-FCP rings.
+ * lpfc_sli_handle_slow_ring_event - Handle ring events for non-FCP rings
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
* @mask: Host attention register mask for this ring.
@@ -2311,7 +2342,7 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba,
}
/**
- * lpfc_sli_abort_iocb_ring: Abort all iocbs in the ring.
+ * lpfc_sli_abort_iocb_ring - Abort all iocbs in the ring
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
*
@@ -2325,7 +2356,6 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
{
LIST_HEAD(completions);
struct lpfc_iocbq *iocb, *next_iocb;
- IOCB_t *cmd = NULL;
if (pring->ringno == LPFC_ELS_RING) {
lpfc_fabric_abort_hba(phba);
@@ -2344,23 +2374,13 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
spin_unlock_irq(&phba->hbalock);
- while (!list_empty(&completions)) {
- iocb = list_get_first(&completions, struct lpfc_iocbq, list);
- cmd = &iocb->iocb;
- list_del_init(&iocb->list);
-
- if (!iocb->iocb_cmpl)
- lpfc_sli_release_iocbq(phba, iocb);
- else {
- cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
- cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
- (iocb->iocb_cmpl) (phba, iocb, iocb);
- }
- }
+ /* Cancel all the IOCBs from the completions list */
+ lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
+ IOERR_SLI_ABORTED);
}
/**
- * lpfc_sli_flush_fcp_rings: flush all iocbs in the fcp ring.
+ * lpfc_sli_flush_fcp_rings - flush all iocbs in the fcp ring
* @phba: Pointer to HBA context object.
*
* This function flushes all iocbs in the fcp ring and frees all the iocb
@@ -2374,8 +2394,6 @@ lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba)
{
LIST_HEAD(txq);
LIST_HEAD(txcmplq);
- struct lpfc_iocbq *iocb;
- IOCB_t *cmd = NULL;
struct lpfc_sli *psli = &phba->sli;
struct lpfc_sli_ring *pring;
@@ -2393,38 +2411,16 @@ lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba)
spin_unlock_irq(&phba->hbalock);
/* Flush the txq */
- while (!list_empty(&txq)) {
- iocb = list_get_first(&txq, struct lpfc_iocbq, list);
- cmd = &iocb->iocb;
- list_del_init(&iocb->list);
-
- if (!iocb->iocb_cmpl)
- lpfc_sli_release_iocbq(phba, iocb);
- else {
- cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
- cmd->un.ulpWord[4] = IOERR_SLI_DOWN;
- (iocb->iocb_cmpl) (phba, iocb, iocb);
- }
- }
+ lpfc_sli_cancel_iocbs(phba, &txq, IOSTAT_LOCAL_REJECT,
+ IOERR_SLI_DOWN);
/* Flush the txcmpq */
- while (!list_empty(&txcmplq)) {
- iocb = list_get_first(&txcmplq, struct lpfc_iocbq, list);
- cmd = &iocb->iocb;
- list_del_init(&iocb->list);
-
- if (!iocb->iocb_cmpl)
- lpfc_sli_release_iocbq(phba, iocb);
- else {
- cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
- cmd->un.ulpWord[4] = IOERR_SLI_DOWN;
- (iocb->iocb_cmpl) (phba, iocb, iocb);
- }
- }
+ lpfc_sli_cancel_iocbs(phba, &txcmplq, IOSTAT_LOCAL_REJECT,
+ IOERR_SLI_DOWN);
}
/**
- * lpfc_sli_brdready: Check for host status bits.
+ * lpfc_sli_brdready - Check for host status bits
* @phba: Pointer to HBA context object.
* @mask: Bit mask to be checked.
*
@@ -2484,7 +2480,7 @@ lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask)
#define BARRIER_TEST_PATTERN (0xdeadbeef)
/**
- * lpfc_reset_barrier: Make HBA ready for HBA reset.
+ * lpfc_reset_barrier - Make HBA ready for HBA reset
* @phba: Pointer to HBA context object.
*
* This function is called before resetting an HBA. This
@@ -2564,7 +2560,7 @@ restore_hc:
}
/**
- * lpfc_sli_brdkill: Issue a kill_board mailbox command.
+ * lpfc_sli_brdkill - Issue a kill_board mailbox command
* @phba: Pointer to HBA context object.
*
* This function issues a kill_board mailbox command and waits for
@@ -2651,7 +2647,7 @@ lpfc_sli_brdkill(struct lpfc_hba *phba)
}
/**
- * lpfc_sli_brdreset: Reset the HBA.
+ * lpfc_sli_brdreset - Reset the HBA
* @phba: Pointer to HBA context object.
*
* This function resets the HBA by writing HC_INITFF to the control
@@ -2714,7 +2710,7 @@ lpfc_sli_brdreset(struct lpfc_hba *phba)
}
/**
- * lpfc_sli_brdrestart: Restart the HBA.
+ * lpfc_sli_brdrestart - Restart the HBA
* @phba: Pointer to HBA context object.
*
* This function is called in the SLI initialization code path to
@@ -2781,7 +2777,7 @@ lpfc_sli_brdrestart(struct lpfc_hba *phba)
}
/**
- * lpfc_sli_chipset_init: Wait for the restart of the HBA after a restart.
+ * lpfc_sli_chipset_init - Wait for the restart of the HBA after a restart
* @phba: Pointer to HBA context object.
*
* This function is called after a HBA restart to wait for successful
@@ -2876,7 +2872,7 @@ lpfc_sli_chipset_init(struct lpfc_hba *phba)
}
/**
- * lpfc_sli_hbq_count: Get the number of HBQs to be configured.
+ * lpfc_sli_hbq_count - Get the number of HBQs to be configured
*
* This function calculates and returns the number of HBQs required to be
* configured.
@@ -2888,7 +2884,7 @@ lpfc_sli_hbq_count(void)
}
/**
- * lpfc_sli_hbq_entry_count: Calculate total number of hbq entries.
+ * lpfc_sli_hbq_entry_count - Calculate total number of hbq entries
*
* This function adds the number of hbq entries in every HBQ to get
* the total number of hbq entries required for the HBA and returns
@@ -2907,7 +2903,7 @@ lpfc_sli_hbq_entry_count(void)
}
/**
- * lpfc_sli_hbq_size: Calculate memory required for all hbq entries.
+ * lpfc_sli_hbq_size - Calculate memory required for all hbq entries
*
* This function calculates amount of memory required for all hbq entries
* to be configured and returns the total memory required.
@@ -2919,7 +2915,7 @@ lpfc_sli_hbq_size(void)
}
/**
- * lpfc_sli_hbq_setup: configure and initialize HBQs.
+ * lpfc_sli_hbq_setup - configure and initialize HBQs
* @phba: Pointer to HBA context object.
*
* This function is called during the SLI initialization to configure
@@ -2988,7 +2984,7 @@ lpfc_sli_hbq_setup(struct lpfc_hba *phba)
}
/**
- * lpfc_sli_config_port: Issue config port mailbox command.
+ * lpfc_sli_config_port - Issue config port mailbox command
* @phba: Pointer to HBA context object.
* @sli_mode: sli mode - 2/3
*
@@ -3114,7 +3110,7 @@ do_prep_failed:
/**
- * lpfc_sli_hba_setup: SLI intialization function.
+ * lpfc_sli_hba_setup - SLI intialization function
* @phba: Pointer to HBA context object.
*
* This function is the main SLI intialization function. This function
@@ -3206,7 +3202,7 @@ lpfc_sli_hba_setup_error:
/**
- * lpfc_mbox_timeout: Timeout call back function for mbox timer.
+ * lpfc_mbox_timeout - Timeout call back function for mbox timer
* @ptr: context object - pointer to hba structure.
*
* This is the callback function for mailbox timer. The mailbox
@@ -3237,7 +3233,7 @@ lpfc_mbox_timeout(unsigned long ptr)
/**
- * lpfc_mbox_timeout_handler: Worker thread function to handle mailbox timeout.
+ * lpfc_mbox_timeout_handler - Worker thread function to handle mailbox timeout
* @phba: Pointer to HBA context object.
*
* This function is called from worker thread when a mailbox command times out.
@@ -3252,6 +3248,21 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
struct lpfc_sli *psli = &phba->sli;
struct lpfc_sli_ring *pring;
+ /* Check the pmbox pointer first. There is a race condition
+ * between the mbox timeout handler getting executed in the
+ * worklist and the mailbox actually completing. When this
+ * race condition occurs, the mbox_active will be NULL.
+ */
+ spin_lock_irq(&phba->hbalock);
+ if (pmbox == NULL) {
+ lpfc_printf_log(phba, KERN_WARNING,
+ LOG_MBOX | LOG_SLI,
+ "0353 Active Mailbox cleared - mailbox timeout "
+ "exiting\n");
+ spin_unlock_irq(&phba->hbalock);
+ return;
+ }
+
/* Mbox cmd <mbxCommand> timeout */
lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
"0310 Mailbox command x%x timeout Data: x%x x%x x%p\n",
@@ -3259,6 +3270,7 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
phba->pport->port_state,
phba->sli.sli_flag,
phba->sli.mbox_active);
+ spin_unlock_irq(&phba->hbalock);
/* Setting state unknown so lpfc_sli_abort_iocb_ring
* would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing
@@ -3295,7 +3307,7 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
}
/**
- * lpfc_sli_issue_mbox: Issue a mailbox command to firmware.
+ * lpfc_sli_issue_mbox - Issue a mailbox command to firmware
* @phba: Pointer to HBA context object.
* @pmbox: Pointer to mailbox object.
* @flag: Flag indicating how the mailbox need to be processed.
@@ -3365,6 +3377,12 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
goto out_not_finished;
}
+ /* If HBA has a deferred error attention, fail the iocb. */
+ if (unlikely(phba->hba_flag & DEFER_ERATT)) {
+ spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
+ goto out_not_finished;
+ }
+
psli = &phba->sli;
mb = &pmbox->mb;
@@ -3632,7 +3650,7 @@ out_not_finished:
}
/**
- * __lpfc_sli_ringtx_put: Add an iocb to the txq.
+ * __lpfc_sli_ringtx_put - Add an iocb to the txq
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
* @piocb: Pointer to address of newly added command iocb.
@@ -3651,7 +3669,7 @@ __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
}
/**
- * lpfc_sli_next_iocb: Get the next iocb in the txq.
+ * lpfc_sli_next_iocb - Get the next iocb in the txq
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
* @piocb: Pointer to address of newly added command iocb.
@@ -3683,7 +3701,7 @@ lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
}
/**
- * __lpfc_sli_issue_iocb: Lockless version of lpfc_sli_issue_iocb.
+ * __lpfc_sli_issue_iocb - Lockless version of lpfc_sli_issue_iocb
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
* @piocb: Pointer to command iocb.
@@ -3729,6 +3747,10 @@ __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
if (unlikely(pci_channel_offline(phba->pcidev)))
return IOCB_ERROR;
+ /* If HBA has a deferred error attention, fail the iocb. */
+ if (unlikely(phba->hba_flag & DEFER_ERATT))
+ return IOCB_ERROR;
+
/*
* We should never get an IOCB if we are in a < LINK_DOWN state
*/
@@ -3813,7 +3835,7 @@ __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
/**
- * lpfc_sli_issue_iocb: Wrapper function for __lpfc_sli_issue_iocb.
+ * lpfc_sli_issue_iocb - Wrapper function for __lpfc_sli_issue_iocb
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
* @piocb: Pointer to command iocb.
@@ -3840,7 +3862,7 @@ lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
}
/**
- * lpfc_extra_ring_setup: Extra ring setup function.
+ * lpfc_extra_ring_setup - Extra ring setup function
* @phba: Pointer to HBA context object.
*
* This function is called while driver attaches with the
@@ -3886,7 +3908,7 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba)
}
/**
- * lpfc_sli_async_event_handler: ASYNC iocb handler function.
+ * lpfc_sli_async_event_handler - ASYNC iocb handler function
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
* @iocbq: Pointer to iocb object.
@@ -3907,6 +3929,7 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba,
uint16_t temp;
struct temp_event temp_event_data;
struct Scsi_Host *shost;
+ uint32_t *iocb_w;
icmd = &iocbq->iocb;
evt_code = icmd->un.asyncstat.evt_code;
@@ -3914,13 +3937,23 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba,
if ((evt_code != ASYNC_TEMP_WARN) &&
(evt_code != ASYNC_TEMP_SAFE)) {
+ iocb_w = (uint32_t *) icmd;
lpfc_printf_log(phba,
KERN_ERR,
LOG_SLI,
"0346 Ring %d handler: unexpected ASYNC_STATUS"
- " evt_code 0x%x\n",
+ " evt_code 0x%x \n"
+ "W0 0x%08x W1 0x%08x W2 0x%08x W3 0x%08x\n"
+ "W4 0x%08x W5 0x%08x W6 0x%08x W7 0x%08x\n"
+ "W8 0x%08x W9 0x%08x W10 0x%08x W11 0x%08x\n"
+ "W12 0x%08x W13 0x%08x W14 0x%08x W15 0x%08x\n",
pring->ringno,
- icmd->un.asyncstat.evt_code);
+ icmd->un.asyncstat.evt_code,
+ iocb_w[0], iocb_w[1], iocb_w[2], iocb_w[3],
+ iocb_w[4], iocb_w[5], iocb_w[6], iocb_w[7],
+ iocb_w[8], iocb_w[9], iocb_w[10], iocb_w[11],
+ iocb_w[12], iocb_w[13], iocb_w[14], iocb_w[15]);
+
return;
}
temp_event_data.data = (uint32_t)temp;
@@ -3954,7 +3987,7 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba,
/**
- * lpfc_sli_setup: SLI ring setup function.
+ * lpfc_sli_setup - SLI ring setup function
* @phba: Pointer to HBA context object.
*
* lpfc_sli_setup sets up rings of the SLI interface with
@@ -4076,7 +4109,7 @@ lpfc_sli_setup(struct lpfc_hba *phba)
}
/**
- * lpfc_sli_queue_setup: Queue initialization function.
+ * lpfc_sli_queue_setup - Queue initialization function
* @phba: Pointer to HBA context object.
*
* lpfc_sli_queue_setup sets up mailbox queues and iocb queues for each
@@ -4115,7 +4148,7 @@ lpfc_sli_queue_setup(struct lpfc_hba *phba)
}
/**
- * lpfc_sli_host_down: Vport cleanup function.
+ * lpfc_sli_host_down - Vport cleanup function
* @vport: Pointer to virtual port object.
*
* lpfc_sli_host_down is called to clean up the resources
@@ -4179,22 +4212,14 @@ lpfc_sli_host_down(struct lpfc_vport *vport)
spin_unlock_irqrestore(&phba->hbalock, flags);
- while (!list_empty(&completions)) {
- list_remove_head(&completions, iocb, struct lpfc_iocbq, list);
-
- if (!iocb->iocb_cmpl)
- lpfc_sli_release_iocbq(phba, iocb);
- else {
- iocb->iocb.ulpStatus = IOSTAT_LOCAL_REJECT;
- iocb->iocb.un.ulpWord[4] = IOERR_SLI_DOWN;
- (iocb->iocb_cmpl) (phba, iocb, iocb);
- }
- }
+ /* Cancel all the IOCBs from the completions list */
+ lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
+ IOERR_SLI_DOWN);
return 1;
}
/**
- * lpfc_sli_hba_down: Resource cleanup function for the HBA.
+ * lpfc_sli_hba_down - Resource cleanup function for the HBA
* @phba: Pointer to HBA context object.
*
* This function cleans up all iocb, buffers, mailbox commands
@@ -4216,8 +4241,6 @@ lpfc_sli_hba_down(struct lpfc_hba *phba)
struct lpfc_sli_ring *pring;
struct lpfc_dmabuf *buf_ptr;
LPFC_MBOXQ_t *pmb;
- struct lpfc_iocbq *iocb;
- IOCB_t *cmd = NULL;
int i;
unsigned long flags = 0;
@@ -4245,18 +4268,9 @@ lpfc_sli_hba_down(struct lpfc_hba *phba)
}
spin_unlock_irqrestore(&phba->hbalock, flags);
- while (!list_empty(&completions)) {
- list_remove_head(&completions, iocb, struct lpfc_iocbq, list);
- cmd = &iocb->iocb;
-
- if (!iocb->iocb_cmpl)
- lpfc_sli_release_iocbq(phba, iocb);
- else {
- cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
- cmd->un.ulpWord[4] = IOERR_SLI_DOWN;
- (iocb->iocb_cmpl) (phba, iocb, iocb);
- }
- }
+ /* Cancel all the IOCBs from the completions list */
+ lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
+ IOERR_SLI_DOWN);
spin_lock_irqsave(&phba->hbalock, flags);
list_splice_init(&phba->elsbuf, &completions);
@@ -4299,7 +4313,7 @@ lpfc_sli_hba_down(struct lpfc_hba *phba)
}
/**
- * lpfc_sli_pcimem_bcopy: SLI memory copy function.
+ * lpfc_sli_pcimem_bcopy - SLI memory copy function
* @srcp: Source memory pointer.
* @destp: Destination memory pointer.
* @cnt: Number of words required to be copied.
@@ -4329,7 +4343,7 @@ lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt)
/**
- * lpfc_sli_ringpostbuf_put: Function to add a buffer to postbufq.
+ * lpfc_sli_ringpostbuf_put - Function to add a buffer to postbufq
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
* @mp: Pointer to driver buffer object.
@@ -4352,8 +4366,7 @@ lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
}
/**
- * lpfc_sli_get_buffer_tag: Tag allocation function for a buffer posted
- * using CMD_QUE_XRI64_CX iocb.
+ * lpfc_sli_get_buffer_tag - allocates a tag for a CMD_QUE_XRI64_CX buffer
* @phba: Pointer to HBA context object.
*
* When HBQ is enabled, buffers are searched based on tags. This function
@@ -4378,8 +4391,7 @@ lpfc_sli_get_buffer_tag(struct lpfc_hba *phba)
}
/**
- * lpfc_sli_ring_taggedbuf_get: Search HBQ buffer associated with
- * posted using CMD_QUE_XRI64_CX iocb.
+ * lpfc_sli_ring_taggedbuf_get - find HBQ buffer associated with given tag
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
* @tag: Buffer tag.
@@ -4422,8 +4434,7 @@ lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
}
/**
- * lpfc_sli_ringpostbuf_get: SLI2 buffer search function for
- * unsolicited ct and els events.
+ * lpfc_sli_ringpostbuf_get - search buffers for unsolicited CT and ELS events
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
* @phys: DMA address of the buffer.
@@ -4466,7 +4477,7 @@ lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
}
/**
- * lpfc_sli_abort_els_cmpl: Completion handler for the els abort iocbs.
+ * lpfc_sli_abort_els_cmpl - Completion handler for the els abort iocbs
* @phba: Pointer to HBA context object.
* @cmdiocb: Pointer to driver command iocb object.
* @rspiocb: Pointer to driver response iocb object.
@@ -4542,7 +4553,7 @@ lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
}
/**
- * lpfc_ignore_els_cmpl: Completion handler for aborted ELS command.
+ * lpfc_ignore_els_cmpl - Completion handler for aborted ELS command
* @phba: Pointer to HBA context object.
* @cmdiocb: Pointer to driver command iocb object.
* @rspiocb: Pointer to driver response iocb object.
@@ -4572,7 +4583,7 @@ lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
}
/**
- * lpfc_sli_issue_abort_iotag: Abort function for a command iocb.
+ * lpfc_sli_issue_abort_iotag - Abort function for a command iocb
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
* @cmdiocb: Pointer to driver command iocb object.
@@ -4658,15 +4669,14 @@ abort_iotag_exit:
}
/**
- * lpfc_sli_validate_fcp_iocb: Filtering function, used to find commands
- * associated with a vport/SCSI target/lun.
+ * lpfc_sli_validate_fcp_iocb - find commands associated with a vport or LUN
* @iocbq: Pointer to driver iocb object.
* @vport: Pointer to driver virtual port object.
* @tgt_id: SCSI ID of the target.
* @lun_id: LUN ID of the scsi device.
* @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST
*
- * This function acts as iocb filter for functions which abort or count
+ * This function acts as an iocb filter for functions which abort or count
* all FCP iocbs pending on a lun/SCSI target/SCSI host. It will return
* 0 if the filtering criteria is met for the given iocb and will return
* 1 if the filtering criteria is not met.
@@ -4724,7 +4734,7 @@ lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport,
}
/**
- * lpfc_sli_sum_iocb: Function to count the number of FCP iocbs pending.
+ * lpfc_sli_sum_iocb - Function to count the number of FCP iocbs pending
* @vport: Pointer to virtual port.
* @tgt_id: SCSI ID of the target.
* @lun_id: LUN ID of the scsi device.
@@ -4762,8 +4772,7 @@ lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id,
}
/**
- * lpfc_sli_abort_fcp_cmpl: Completion handler function for an aborted
- * FCP iocb.
+ * lpfc_sli_abort_fcp_cmpl - Completion handler function for aborted FCP IOCBs
* @phba: Pointer to HBA context object
* @cmdiocb: Pointer to command iocb object.
* @rspiocb: Pointer to response iocb object.
@@ -4781,8 +4790,7 @@ lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
}
/**
- * lpfc_sli_abort_iocb: This function issue abort for all SCSI commands
- * pending on a SCSI host(vport)/target/lun.
+ * lpfc_sli_abort_iocb - issue abort for all commands on a host/target/LUN
* @vport: Pointer to virtual port.
* @pring: Pointer to driver SLI ring object.
* @tgt_id: SCSI ID of the target.
@@ -4854,8 +4862,7 @@ lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring,
}
/**
- * lpfc_sli_wake_iocb_wait: iocb completion handler for iocb issued using
- * lpfc_sli_issue_iocb_wait.
+ * lpfc_sli_wake_iocb_wait - lpfc_sli_issue_iocb_wait's completion handler
* @phba: Pointer to HBA context object.
* @cmdiocbq: Pointer to command iocb.
* @rspiocbq: Pointer to response iocb.
@@ -4893,7 +4900,7 @@ lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba,
}
/**
- * lpfc_sli_issue_iocb_wait: Synchronous function to issue iocb commands.
+ * lpfc_sli_issue_iocb_wait - Synchronous function to issue iocb commands
* @phba: Pointer to HBA context object..
* @pring: Pointer to sli ring.
* @piocb: Pointer to command iocb.
@@ -5000,7 +5007,7 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba,
}
/**
- * lpfc_sli_issue_mbox_wait: Synchronous function to issue mailbox.
+ * lpfc_sli_issue_mbox_wait - Synchronous function to issue mailbox
* @phba: Pointer to HBA context object.
* @pmboxq: Pointer to driver mailbox object.
* @timeout: Timeout in number of seconds.
@@ -5070,7 +5077,7 @@ lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq,
}
/**
- * lpfc_sli_flush_mbox_queue: mailbox queue cleanup function.
+ * lpfc_sli_flush_mbox_queue - mailbox queue cleanup function
* @phba: Pointer to HBA context.
*
* This function is called to cleanup any pending mailbox
@@ -5113,7 +5120,7 @@ lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba)
}
/**
- * lpfc_sli_check_eratt: check error attention events
+ * lpfc_sli_check_eratt - check error attention events
* @phba: Pointer to HBA context.
*
* This function is called form timer soft interrupt context to check HBA's
@@ -5145,11 +5152,31 @@ lpfc_sli_check_eratt(struct lpfc_hba *phba)
return 0;
}
+ /*
+ * If there is deferred error attention, do not check for error
+ * attention
+ */
+ if (unlikely(phba->hba_flag & DEFER_ERATT)) {
+ spin_unlock_irq(&phba->hbalock);
+ return 0;
+ }
+
/* Read chip Host Attention (HA) register */
ha_copy = readl(phba->HAregaddr);
if (ha_copy & HA_ERATT) {
/* Read host status register to retrieve error event */
lpfc_sli_read_hs(phba);
+
+ /* Check if there is a deferred error condition is active */
+ if ((HS_FFER1 & phba->work_hs) &&
+ ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 |
+ HS_FFER6 | HS_FFER7) & phba->work_hs)) {
+ phba->hba_flag |= DEFER_ERATT;
+ /* Clear all interrupt enable conditions */
+ writel(0, phba->HCregaddr);
+ readl(phba->HCregaddr);
+ }
+
/* Set the driver HA work bitmap */
phba->work_ha |= HA_ERATT;
/* Indicate polling handles this ERATT */
@@ -5162,7 +5189,7 @@ lpfc_sli_check_eratt(struct lpfc_hba *phba)
}
/**
- * lpfc_sp_intr_handler: The slow-path interrupt handler of lpfc driver.
+ * lpfc_sp_intr_handler - The slow-path interrupt handler of lpfc driver
* @irq: Interrupt number.
* @dev_id: The device context pointer.
*
@@ -5238,6 +5265,16 @@ lpfc_sp_intr_handler(int irq, void *dev_id)
/* Indicate interrupt handler handles ERATT */
phba->hba_flag |= HBA_ERATT_HANDLED;
}
+
+ /*
+ * If there is deferred error attention, do not check for any
+ * interrupt.
+ */
+ if (unlikely(phba->hba_flag & DEFER_ERATT)) {
+ spin_unlock_irq(&phba->hbalock);
+ return IRQ_NONE;
+ }
+
/* Clear up only attention source related to slow-path */
writel((ha_copy & (HA_MBATT | HA_R2_CLR_MSK)),
phba->HAregaddr);
@@ -5309,8 +5346,22 @@ lpfc_sp_intr_handler(int irq, void *dev_id)
}
}
spin_lock_irqsave(&phba->hbalock, iflag);
- if (work_ha_copy & HA_ERATT)
+ if (work_ha_copy & HA_ERATT) {
lpfc_sli_read_hs(phba);
+ /*
+ * Check if there is a deferred error condition
+ * is active
+ */
+ if ((HS_FFER1 & phba->work_hs) &&
+ ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 |
+ HS_FFER6 | HS_FFER7) & phba->work_hs)) {
+ phba->hba_flag |= DEFER_ERATT;
+ /* Clear all interrupt enable conditions */
+ writel(0, phba->HCregaddr);
+ readl(phba->HCregaddr);
+ }
+ }
+
if ((work_ha_copy & HA_MBATT) && (phba->sli.mbox_active)) {
pmb = phba->sli.mbox_active;
pmbox = &pmb->mb;
@@ -5423,7 +5474,7 @@ send_current_mbox:
} /* lpfc_sp_intr_handler */
/**
- * lpfc_fp_intr_handler: The fast-path interrupt handler of lpfc driver.
+ * lpfc_fp_intr_handler - The fast-path interrupt handler of lpfc driver
* @irq: Interrupt number.
* @dev_id: The device context pointer.
*
@@ -5474,6 +5525,14 @@ lpfc_fp_intr_handler(int irq, void *dev_id)
ha_copy = readl(phba->HAregaddr);
/* Clear up only attention source related to fast-path */
spin_lock_irqsave(&phba->hbalock, iflag);
+ /*
+ * If there is deferred error attention, do not check for
+ * any interrupt.
+ */
+ if (unlikely(phba->hba_flag & DEFER_ERATT)) {
+ spin_unlock_irq(&phba->hbalock);
+ return IRQ_NONE;
+ }
writel((ha_copy & (HA_R0_CLR_MSK | HA_R1_CLR_MSK)),
phba->HAregaddr);
readl(phba->HAregaddr); /* flush */
@@ -5510,7 +5569,7 @@ lpfc_fp_intr_handler(int irq, void *dev_id)
} /* lpfc_fp_intr_handler */
/**
- * lpfc_intr_handler: The device-level interrupt handler of lpfc driver.
+ * lpfc_intr_handler - The device-level interrupt handler of lpfc driver
* @irq: Interrupt number.
* @dev_id: The device context pointer.
*
@@ -5566,6 +5625,14 @@ lpfc_intr_handler(int irq, void *dev_id)
phba->hba_flag |= HBA_ERATT_HANDLED;
}
+ /*
+ * If there is deferred error attention, do not check for any interrupt.
+ */
+ if (unlikely(phba->hba_flag & DEFER_ERATT)) {
+ spin_unlock_irq(&phba->hbalock);
+ return IRQ_NONE;
+ }
+
/* Clear attention sources except link and error attentions */
writel((phba->ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr);
readl(phba->HAregaddr); /* flush */
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index 7e32e95c5392..e599519e3078 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2008 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2009 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
@@ -18,7 +18,7 @@
* included with this package. *
*******************************************************************/
-#define LPFC_DRIVER_VERSION "8.3.0"
+#define LPFC_DRIVER_VERSION "8.3.1"
#define LPFC_DRIVER_NAME "lpfc"
#define LPFC_SP_DRIVER_HANDLER_NAME "lpfc:sp"
@@ -26,4 +26,4 @@
#define LPFC_MODULE_DESC "Emulex LightPulse Fibre Channel SCSI driver " \
LPFC_DRIVER_VERSION
-#define LPFC_COPYRIGHT "Copyright(c) 2004-2008 Emulex. All rights reserved."
+#define LPFC_COPYRIGHT "Copyright(c) 2004-2009 Emulex. All rights reserved."
diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
index 63b54c66756c..917ad56b0aff 100644
--- a/drivers/scsi/lpfc/lpfc_vport.c
+++ b/drivers/scsi/lpfc/lpfc_vport.c
@@ -206,7 +206,7 @@ lpfc_unique_wwpn(struct lpfc_hba *phba, struct lpfc_vport *new_vport)
}
/**
- * lpfc_discovery_wait: Wait for driver discovery to quiesce.
+ * lpfc_discovery_wait - Wait for driver discovery to quiesce
* @vport: The virtual port for which this call is being executed.
*
* This driver calls this routine specifically from lpfc_vport_delete
@@ -741,7 +741,7 @@ lpfc_destroy_vport_work_array(struct lpfc_hba *phba, struct lpfc_vport **vports)
/**
- * lpfc_vport_reset_stat_data: Reset the statistical data for the vport.
+ * lpfc_vport_reset_stat_data - Reset the statistical data for the vport
* @vport: Pointer to vport object.
*
* This function resets the statistical data for the vport. This function
@@ -763,8 +763,7 @@ lpfc_vport_reset_stat_data(struct lpfc_vport *vport)
/**
- * lpfc_alloc_bucket: Allocate data buffer required for collecting
- * statistical data.
+ * lpfc_alloc_bucket - Allocate data buffer required for statistical data
* @vport: Pointer to vport object.
*
* This function allocates data buffer required for all the FC
@@ -797,8 +796,7 @@ lpfc_alloc_bucket(struct lpfc_vport *vport)
}
/**
- * lpfc_free_bucket: Free data buffer required for collecting
- * statistical data.
+ * lpfc_free_bucket - Free data buffer required for statistical data
* @vport: Pointer to vport object.
*
* Th function frees statistical data buffer of all the FC
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index a91f5143ceac..f3da592f7bcc 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -636,6 +636,14 @@ _base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc)
static irqreturn_t
_base_interrupt(int irq, void *bus_id)
{
+ union reply_descriptor {
+ u64 word;
+ struct {
+ u32 low;
+ u32 high;
+ } u;
+ };
+ union reply_descriptor rd;
u32 post_index, post_index_next, completed_cmds;
u8 request_desript_type;
u16 smid;
@@ -656,7 +664,8 @@ _base_interrupt(int irq, void *bus_id)
completed_cmds = 0;
do {
- if (ioc->reply_post_free[post_index].Words == ~0ULL)
+ rd.word = ioc->reply_post_free[post_index].Words;
+ if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX)
goto out;
reply = 0;
cb_idx = 0xFF;
@@ -721,7 +730,7 @@ _base_interrupt(int irq, void *bus_id)
for (i = 0 ; i < completed_cmds; i++) {
post_index = post_index_next;
/* poison the reply post descriptor */
- ioc->reply_post_free[post_index_next].Words = ~0ULL;
+ ioc->reply_post_free[post_index_next].Words = ULLONG_MAX;
post_index_next = (post_index ==
(ioc->reply_post_queue_depth - 1))
? 0 : post_index + 1;
@@ -1387,6 +1396,64 @@ mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
}
/**
+ * _base_display_dell_branding - Disply branding string
+ * @ioc: per adapter object
+ *
+ * Return nothing.
+ */
+static void
+_base_display_dell_branding(struct MPT2SAS_ADAPTER *ioc)
+{
+ char dell_branding[MPT2SAS_DELL_BRANDING_SIZE];
+
+ if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL)
+ return;
+
+ memset(dell_branding, 0, MPT2SAS_DELL_BRANDING_SIZE);
+ switch (ioc->pdev->subsystem_device) {
+ case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID:
+ strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING,
+ MPT2SAS_DELL_BRANDING_SIZE - 1);
+ break;
+ case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID:
+ strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING,
+ MPT2SAS_DELL_BRANDING_SIZE - 1);
+ break;
+ case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID:
+ strncpy(dell_branding,
+ MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING,
+ MPT2SAS_DELL_BRANDING_SIZE - 1);
+ break;
+ case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID:
+ strncpy(dell_branding,
+ MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING,
+ MPT2SAS_DELL_BRANDING_SIZE - 1);
+ break;
+ case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID:
+ strncpy(dell_branding,
+ MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING,
+ MPT2SAS_DELL_BRANDING_SIZE - 1);
+ break;
+ case MPT2SAS_DELL_PERC_H200_SSDID:
+ strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING,
+ MPT2SAS_DELL_BRANDING_SIZE - 1);
+ break;
+ case MPT2SAS_DELL_6GBPS_SAS_SSDID:
+ strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING,
+ MPT2SAS_DELL_BRANDING_SIZE - 1);
+ break;
+ default:
+ sprintf(dell_branding, "0x%4X", ioc->pdev->subsystem_device);
+ break;
+ }
+
+ printk(MPT2SAS_INFO_FMT "%s: Vendor(0x%04X), Device(0x%04X),"
+ " SSVID(0x%04X), SSDID(0x%04X)\n", ioc->name, dell_branding,
+ ioc->pdev->vendor, ioc->pdev->device, ioc->pdev->subsystem_vendor,
+ ioc->pdev->subsystem_device);
+}
+
+/**
* _base_display_ioc_capabilities - Disply IOC's capabilities.
* @ioc: per adapter object
*
@@ -1427,6 +1494,8 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc)
i++;
}
+ _base_display_dell_branding(ioc);
+
i = 0;
printk("), ");
printk("Capabilities=(");
@@ -3068,7 +3137,7 @@ _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
/* initialize Reply Post Free Queue */
for (i = 0; i < ioc->reply_post_queue_depth; i++)
- ioc->reply_post_free[i].Words = ~0ULL;
+ ioc->reply_post_free[i].Words = ULLONG_MAX;
r = _base_send_ioc_init(ioc, VF_ID, sleep_flag);
if (r)
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index 6945ff4d382e..36b1d1052ba1 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -68,11 +68,11 @@
#define MPT2SAS_DRIVER_NAME "mpt2sas"
#define MPT2SAS_AUTHOR "LSI Corporation <DL-MPTFusionLinux@lsi.com>"
#define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver"
-#define MPT2SAS_DRIVER_VERSION "00.100.11.16"
-#define MPT2SAS_MAJOR_VERSION 00
+#define MPT2SAS_DRIVER_VERSION "01.100.02.00"
+#define MPT2SAS_MAJOR_VERSION 01
#define MPT2SAS_MINOR_VERSION 100
-#define MPT2SAS_BUILD_VERSION 11
-#define MPT2SAS_RELEASE_VERSION 16
+#define MPT2SAS_BUILD_VERSION 02
+#define MPT2SAS_RELEASE_VERSION 00
/*
* Set MPT2SAS_SG_DEPTH value based on user input.
@@ -130,6 +130,30 @@
#define MPT2SAS_ERR_FMT KERN_ERR MPT2SAS_FMT
/*
+ * Dell HBA branding
+ */
+#define MPT2SAS_DELL_BRANDING_SIZE 32
+
+#define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA"
+#define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter"
+#define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
+#define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular"
+#define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded"
+#define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200"
+#define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS"
+
+/*
+ * Dell HBA SSDIDs
+ */
+#define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C
+#define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D
+#define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E
+#define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F
+#define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20
+#define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21
+#define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22
+
+/*
* per target private data
*/
#define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
index 2d4f85c9d7a1..ba6ab170bdf0 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
@@ -64,6 +64,9 @@
static struct fasync_struct *async_queue;
static DECLARE_WAIT_QUEUE_HEAD(ctl_poll_wait);
+static int _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type,
+ u8 *issue_reset);
+
/**
* enum block_state - blocking state
* @NON_BLOCKING: non blocking
@@ -378,10 +381,22 @@ _ctl_verify_adapter(int ioc_number, struct MPT2SAS_ADAPTER **iocpp)
void
mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
{
+ int i;
+ u8 issue_reset;
+
switch (reset_phase) {
case MPT2_IOC_PRE_RESET:
dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
"MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
+ for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
+ if (!(ioc->diag_buffer_status[i] &
+ MPT2_DIAG_BUFFER_IS_REGISTERED))
+ continue;
+ if ((ioc->diag_buffer_status[i] &
+ MPT2_DIAG_BUFFER_IS_RELEASED))
+ continue;
+ _ctl_send_release(ioc, i, &issue_reset);
+ }
break;
case MPT2_IOC_AFTER_RESET:
dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
@@ -395,6 +410,17 @@ mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
case MPT2_IOC_DONE_RESET:
dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
"MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
+
+ for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
+ if (!(ioc->diag_buffer_status[i] &
+ MPT2_DIAG_BUFFER_IS_REGISTERED))
+ continue;
+ if ((ioc->diag_buffer_status[i] &
+ MPT2_DIAG_BUFFER_IS_RELEASED))
+ continue;
+ ioc->diag_buffer_status[i] |=
+ MPT2_DIAG_BUFFER_IS_DIAG_RESET;
+ }
break;
}
}
@@ -714,8 +740,10 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc,
if (tm_request->TaskType ==
MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
- if (_ctl_do_task_abort(ioc, &karg, tm_request))
+ if (_ctl_do_task_abort(ioc, &karg, tm_request)) {
+ mpt2sas_base_free_smid(ioc, smid);
goto out;
+ }
}
mutex_lock(&ioc->tm_cmds.mutex);
@@ -915,9 +943,9 @@ _ctl_getiocinfo(void __user *arg)
karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn);
karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus);
karg.firmware_version = ioc->facts.FWVersion.Word;
- strncpy(karg.driver_version, MPT2SAS_DRIVER_VERSION,
- MPT2_IOCTL_VERSION_LENGTH);
- karg.driver_version[MPT2_IOCTL_VERSION_LENGTH - 1] = '\0';
+ strcpy(karg.driver_version, MPT2SAS_DRIVER_NAME);
+ strcat(karg.driver_version, "-");
+ strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION);
karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
if (copy_to_user(arg, &karg, sizeof(karg))) {
@@ -1551,81 +1579,38 @@ _ctl_diag_query(void __user *arg)
}
/**
- * _ctl_diag_release - request to send Diag Release Message to firmware
- * @arg - user space buffer containing ioctl content
- * @state - NON_BLOCKING or BLOCKING
+ * _ctl_send_release - Diag Release Message
+ * @ioc: per adapter object
+ * @buffer_type - specifies either TRACE or SNAPSHOT
+ * @issue_reset - specifies whether host reset is required.
*
- * This allows ownership of the specified buffer to returned to the driver,
- * allowing an application to read the buffer without fear that firmware is
- * overwritting information in the buffer.
*/
-static long
-_ctl_diag_release(void __user *arg, enum block_state state)
+static int
+_ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, u8 *issue_reset)
{
- struct mpt2_diag_release karg;
- struct MPT2SAS_ADAPTER *ioc;
- void *request_data;
- int rc;
Mpi2DiagReleaseRequest_t *mpi_request;
Mpi2DiagReleaseReply_t *mpi_reply;
- u8 buffer_type;
- unsigned long timeleft;
u16 smid;
u16 ioc_status;
- u8 issue_reset = 0;
-
- if (copy_from_user(&karg, arg, sizeof(karg))) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
- if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc)
- return -ENODEV;
+ u32 ioc_state;
+ int rc;
+ unsigned long timeleft;
dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name,
__func__));
- buffer_type = karg.unique_id & 0x000000ff;
- if (!_ctl_diag_capability(ioc, buffer_type)) {
- printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
- "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
- return -EPERM;
- }
-
- if ((ioc->diag_buffer_status[buffer_type] &
- MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
- printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not "
- "registered\n", ioc->name, __func__, buffer_type);
- return -EINVAL;
- }
-
- if (karg.unique_id != ioc->unique_id[buffer_type]) {
- printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
- "registered\n", ioc->name, __func__, karg.unique_id);
- return -EINVAL;
- }
-
- if (ioc->diag_buffer_status[buffer_type] &
- MPT2_DIAG_BUFFER_IS_RELEASED) {
- printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) "
- "is already released\n", ioc->name, __func__,
- buffer_type);
- return 0;
- }
-
- request_data = ioc->diag_buffer[buffer_type];
+ rc = 0;
+ *issue_reset = 0;
- if (!request_data) {
- printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for "
- "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
- return -ENOMEM;
+ ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
+ if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
+ dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
+ "skipping due to FAULT state\n", ioc->name,
+ __func__));
+ rc = -EAGAIN;
+ goto out;
}
- if (state == NON_BLOCKING && !mutex_trylock(&ioc->ctl_cmds.mutex))
- return -EAGAIN;
- else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex))
- return -ERESTARTSYS;
-
if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
ioc->name, __func__);
@@ -1641,7 +1626,6 @@ _ctl_diag_release(void __user *arg, enum block_state state)
goto out;
}
- rc = 0;
ioc->ctl_cmds.status = MPT2_CMD_PENDING;
memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
@@ -1660,8 +1644,9 @@ _ctl_diag_release(void __user *arg, enum block_state state)
_debug_dump_mf(mpi_request,
sizeof(Mpi2DiagReleaseRequest_t)/4);
if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
- issue_reset = 1;
- goto issue_host_reset;
+ *issue_reset = 1;
+ rc = -EFAULT;
+ goto out;
}
/* process the completed Reply Message Frame */
@@ -1687,14 +1672,101 @@ _ctl_diag_release(void __user *arg, enum block_state state)
rc = -EFAULT;
}
- issue_host_reset:
+ out:
+ ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
+ return rc;
+}
+
+/**
+ * _ctl_diag_release - request to send Diag Release Message to firmware
+ * @arg - user space buffer containing ioctl content
+ * @state - NON_BLOCKING or BLOCKING
+ *
+ * This allows ownership of the specified buffer to returned to the driver,
+ * allowing an application to read the buffer without fear that firmware is
+ * overwritting information in the buffer.
+ */
+static long
+_ctl_diag_release(void __user *arg, enum block_state state)
+{
+ struct mpt2_diag_release karg;
+ struct MPT2SAS_ADAPTER *ioc;
+ void *request_data;
+ int rc;
+ u8 buffer_type;
+ u8 issue_reset = 0;
+
+ if (copy_from_user(&karg, arg, sizeof(karg))) {
+ printk(KERN_ERR "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return -EFAULT;
+ }
+ if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc)
+ return -ENODEV;
+
+ dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name,
+ __func__));
+
+ buffer_type = karg.unique_id & 0x000000ff;
+ if (!_ctl_diag_capability(ioc, buffer_type)) {
+ printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
+ "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
+ return -EPERM;
+ }
+
+ if ((ioc->diag_buffer_status[buffer_type] &
+ MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
+ printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not "
+ "registered\n", ioc->name, __func__, buffer_type);
+ return -EINVAL;
+ }
+
+ if (karg.unique_id != ioc->unique_id[buffer_type]) {
+ printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
+ "registered\n", ioc->name, __func__, karg.unique_id);
+ return -EINVAL;
+ }
+
+ if (ioc->diag_buffer_status[buffer_type] &
+ MPT2_DIAG_BUFFER_IS_RELEASED) {
+ printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) "
+ "is already released\n", ioc->name, __func__,
+ buffer_type);
+ return 0;
+ }
+
+ request_data = ioc->diag_buffer[buffer_type];
+
+ if (!request_data) {
+ printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for "
+ "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
+ return -ENOMEM;
+ }
+
+ /* buffers were released by due to host reset */
+ if ((ioc->diag_buffer_status[buffer_type] &
+ MPT2_DIAG_BUFFER_IS_DIAG_RESET)) {
+ ioc->diag_buffer_status[buffer_type] |=
+ MPT2_DIAG_BUFFER_IS_RELEASED;
+ ioc->diag_buffer_status[buffer_type] &=
+ ~MPT2_DIAG_BUFFER_IS_DIAG_RESET;
+ printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) "
+ "was released due to host reset\n", ioc->name, __func__,
+ buffer_type);
+ return 0;
+ }
+
+ if (state == NON_BLOCKING && !mutex_trylock(&ioc->ctl_cmds.mutex))
+ return -EAGAIN;
+ else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex))
+ return -ERESTARTSYS;
+
+ rc = _ctl_send_release(ioc, buffer_type, &issue_reset);
+
if (issue_reset)
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
FORCE_BIG_HAMMER);
- out:
-
- ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
mutex_unlock(&ioc->ctl_cmds.mutex);
return rc;
}
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.h b/drivers/scsi/mpt2sas/mpt2sas_ctl.h
index dbb6c0cf8889..4da11435533f 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.h
@@ -50,7 +50,7 @@
#endif
#define MPT2SAS_DEV_NAME "mpt2ctl"
-#define MPT2_MAGIC_NUMBER 'm'
+#define MPT2_MAGIC_NUMBER 'L'
#define MPT2_IOCTL_DEFAULT_TIMEOUT (10) /* in seconds */
/**
@@ -295,8 +295,9 @@ struct mpt2_ioctl_btdh_mapping {
/* status bits for ioc->diag_buffer_status */
-#define MPT2_DIAG_BUFFER_IS_REGISTERED (0x01)
-#define MPT2_DIAG_BUFFER_IS_RELEASED (0x02)
+#define MPT2_DIAG_BUFFER_IS_REGISTERED (0x01)
+#define MPT2_DIAG_BUFFER_IS_RELEASED (0x02)
+#define MPT2_DIAG_BUFFER_IS_DIAG_RESET (0x04)
/* application flags for mpt2_diag_register, mpt2_diag_query */
#define MPT2_APP_FLAGS_APP_OWNED (0x0001)
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 0c463c483c02..e3a7967259e7 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -119,7 +119,7 @@ struct sense_info {
*/
struct fw_event_work {
struct list_head list;
- struct delayed_work work;
+ struct work_struct work;
struct MPT2SAS_ADAPTER *ioc;
u8 VF_ID;
u8 host_reset_handling;
@@ -516,12 +516,8 @@ _scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc,
handle = sas_device->handle;
parent_handle = sas_device->parent_handle;
sas_address = sas_device->sas_address;
- if (!mpt2sas_transport_port_add(ioc, handle, parent_handle)) {
+ if (!mpt2sas_transport_port_add(ioc, handle, parent_handle))
_scsih_sas_device_remove(ioc, sas_device);
- } else if (!sas_device->starget) {
- mpt2sas_transport_port_remove(ioc, sas_address, parent_handle);
- _scsih_sas_device_remove(ioc, sas_device);
- }
}
/**
@@ -1203,7 +1199,9 @@ scsih_target_destroy(struct scsi_target *starget)
rphy = dev_to_rphy(starget->dev.parent);
sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
rphy->identify.sas_address);
- if (sas_device)
+ if (sas_device && (sas_device->starget == starget) &&
+ (sas_device->id == starget->id) &&
+ (sas_device->channel == starget->channel))
sas_device->starget = NULL;
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
@@ -2009,8 +2007,8 @@ _scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
spin_lock_irqsave(&ioc->fw_event_lock, flags);
list_add_tail(&fw_event->list, &ioc->fw_event_list);
- INIT_DELAYED_WORK(&fw_event->work, _firmware_event_work);
- queue_delayed_work(ioc->firmware_event_thread, &fw_event->work, 1);
+ INIT_WORK(&fw_event->work, _firmware_event_work);
+ queue_work(ioc->firmware_event_thread, &fw_event->work);
spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
}
@@ -2054,7 +2052,7 @@ _scsih_fw_event_requeue(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work
return;
spin_lock_irqsave(&ioc->fw_event_lock, flags);
- queue_delayed_work(ioc->firmware_event_thread, &fw_event->work, delay);
+ queue_work(ioc->firmware_event_thread, &fw_event->work);
spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
}
@@ -2863,8 +2861,9 @@ scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply)
struct sense_info data;
const void *sense_data = mpt2sas_base_get_sense_buffer(ioc,
smid);
- memcpy(scmd->sense_buffer, sense_data,
+ u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
le32_to_cpu(mpi_reply->SenseCount));
+ memcpy(scmd->sense_buffer, sense_data, sz);
_scsih_normalize_sense(scmd->sense_buffer, &data);
/* failure prediction threshold exceeded */
if (data.asc == 0x5D)
@@ -3923,7 +3922,7 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
mpt2sas_scsih_issue_tm(ioc, handle, lun,
MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30);
- termination_count += le32_to_cpu(mpi_reply->TerminationCount);
+ ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
if ((mpi_reply->IOCStatus == MPI2_IOCSTATUS_SUCCESS) &&
(mpi_reply->ResponseCode ==
@@ -3933,10 +3932,10 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
continue;
mpt2sas_scsih_issue_tm(ioc, handle, lun,
- MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, smid, 30);
+ MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, 0, 30);
+ ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
termination_count += le32_to_cpu(mpi_reply->TerminationCount);
}
- ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
ioc->broadcast_aen_busy = 0;
mutex_unlock(&ioc->tm_cmds.mutex);
@@ -4962,7 +4961,7 @@ static void
_firmware_event_work(struct work_struct *work)
{
struct fw_event_work *fw_event = container_of(work,
- struct fw_event_work, work.work);
+ struct fw_event_work, work);
unsigned long flags;
struct MPT2SAS_ADAPTER *ioc = fw_event->ioc;
diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c
index 2a5f0777148d..1ce6b24abab2 100644
--- a/drivers/scsi/osd/osd_initiator.c
+++ b/drivers/scsi/osd/osd_initiator.c
@@ -205,6 +205,74 @@ static unsigned _osd_req_alist_elem_size(struct osd_request *or, unsigned len)
osdv2_attr_list_elem_size(len);
}
+static void _osd_req_alist_elem_encode(struct osd_request *or,
+ void *attr_last, const struct osd_attr *oa)
+{
+ if (osd_req_is_ver1(or)) {
+ struct osdv1_attributes_list_element *attr = attr_last;
+
+ attr->attr_page = cpu_to_be32(oa->attr_page);
+ attr->attr_id = cpu_to_be32(oa->attr_id);
+ attr->attr_bytes = cpu_to_be16(oa->len);
+ memcpy(attr->attr_val, oa->val_ptr, oa->len);
+ } else {
+ struct osdv2_attributes_list_element *attr = attr_last;
+
+ attr->attr_page = cpu_to_be32(oa->attr_page);
+ attr->attr_id = cpu_to_be32(oa->attr_id);
+ attr->attr_bytes = cpu_to_be16(oa->len);
+ memcpy(attr->attr_val, oa->val_ptr, oa->len);
+ }
+}
+
+static int _osd_req_alist_elem_decode(struct osd_request *or,
+ void *cur_p, struct osd_attr *oa, unsigned max_bytes)
+{
+ unsigned inc;
+ if (osd_req_is_ver1(or)) {
+ struct osdv1_attributes_list_element *attr = cur_p;
+
+ if (max_bytes < sizeof(*attr))
+ return -1;
+
+ oa->len = be16_to_cpu(attr->attr_bytes);
+ inc = _osd_req_alist_elem_size(or, oa->len);
+ if (inc > max_bytes)
+ return -1;
+
+ oa->attr_page = be32_to_cpu(attr->attr_page);
+ oa->attr_id = be32_to_cpu(attr->attr_id);
+
+ /* OSD1: On empty attributes we return a pointer to 2 bytes
+ * of zeros. This keeps similar behaviour with OSD2.
+ * (See below)
+ */
+ oa->val_ptr = likely(oa->len) ? attr->attr_val :
+ (u8 *)&attr->attr_bytes;
+ } else {
+ struct osdv2_attributes_list_element *attr = cur_p;
+
+ if (max_bytes < sizeof(*attr))
+ return -1;
+
+ oa->len = be16_to_cpu(attr->attr_bytes);
+ inc = _osd_req_alist_elem_size(or, oa->len);
+ if (inc > max_bytes)
+ return -1;
+
+ oa->attr_page = be32_to_cpu(attr->attr_page);
+ oa->attr_id = be32_to_cpu(attr->attr_id);
+
+ /* OSD2: For convenience, on empty attributes, we return 8 bytes
+ * of zeros here. This keeps the same behaviour with OSD2r04,
+ * and is nice with null terminating ASCII fields.
+ * oa->val_ptr == NULL marks the end-of-list, or error.
+ */
+ oa->val_ptr = likely(oa->len) ? attr->attr_val : attr->reserved;
+ }
+ return inc;
+}
+
static unsigned _osd_req_alist_size(struct osd_request *or, void *list_head)
{
return osd_req_is_ver1(or) ?
@@ -282,9 +350,9 @@ _osd_req_sec_params(struct osd_request *or)
struct osd_cdb *ocdb = &or->cdb;
if (osd_req_is_ver1(or))
- return &ocdb->v1.sec_params;
+ return (struct osd_security_parameters *)&ocdb->v1.sec_params;
else
- return &ocdb->v2.sec_params;
+ return (struct osd_security_parameters *)&ocdb->v2.sec_params;
}
void osd_dev_init(struct osd_dev *osdd, struct scsi_device *scsi_device)
@@ -612,9 +680,9 @@ static int _osd_req_list_objects(struct osd_request *or,
WARN_ON(or->in.bio);
bio = bio_map_kern(q, list, len, or->alloc_flags);
- if (!bio) {
+ if (IS_ERR(bio)) {
OSD_ERR("!!! Failed to allocate list_objects BIO\n");
- return -ENOMEM;
+ return PTR_ERR(bio);
}
bio->bi_rw &= ~(1 << BIO_RW);
@@ -798,7 +866,6 @@ int osd_req_add_set_attr_list(struct osd_request *or,
attr_last = or->set_attr.buff + total_bytes;
for (; nelem; --nelem) {
- struct osd_attributes_list_element *attr;
unsigned elem_size = _osd_req_alist_elem_size(or, oa->len);
total_bytes += elem_size;
@@ -811,11 +878,7 @@ int osd_req_add_set_attr_list(struct osd_request *or,
or->set_attr.buff + or->set_attr.total_bytes;
}
- attr = attr_last;
- attr->attr_page = cpu_to_be32(oa->attr_page);
- attr->attr_id = cpu_to_be32(oa->attr_id);
- attr->attr_bytes = cpu_to_be16(oa->len);
- memcpy(attr->attr_val, oa->val_ptr, oa->len);
+ _osd_req_alist_elem_encode(or, attr_last, oa);
attr_last += elem_size;
++oa;
@@ -1070,15 +1133,10 @@ int osd_req_decode_get_attr_list(struct osd_request *or,
}
for (n = 0; (n < *nelem) && (cur_bytes < returned_bytes); ++n) {
- struct osd_attributes_list_element *attr = cur_p;
- unsigned inc;
+ int inc = _osd_req_alist_elem_decode(or, cur_p, oa,
+ returned_bytes - cur_bytes);
- oa->len = be16_to_cpu(attr->attr_bytes);
- inc = _osd_req_alist_elem_size(or, oa->len);
- OSD_DEBUG("oa->len=%d inc=%d cur_bytes=%d\n",
- oa->len, inc, cur_bytes);
- cur_bytes += inc;
- if (cur_bytes > returned_bytes) {
+ if (inc < 0) {
OSD_ERR("BAD FOOD from target. list not valid!"
"c=%d r=%d n=%d\n",
cur_bytes, returned_bytes, n);
@@ -1086,10 +1144,7 @@ int osd_req_decode_get_attr_list(struct osd_request *or,
break;
}
- oa->attr_page = be32_to_cpu(attr->attr_page);
- oa->attr_id = be32_to_cpu(attr->attr_id);
- oa->val_ptr = attr->attr_val;
-
+ cur_bytes += inc;
cur_p += inc;
++oa;
}
@@ -1159,6 +1214,24 @@ static int _osd_req_finalize_attr_page(struct osd_request *or)
return ret;
}
+static inline void osd_sec_parms_set_out_offset(bool is_v1,
+ struct osd_security_parameters *sec_parms, osd_cdb_offset offset)
+{
+ if (is_v1)
+ sec_parms->v1.data_out_integrity_check_offset = offset;
+ else
+ sec_parms->v2.data_out_integrity_check_offset = offset;
+}
+
+static inline void osd_sec_parms_set_in_offset(bool is_v1,
+ struct osd_security_parameters *sec_parms, osd_cdb_offset offset)
+{
+ if (is_v1)
+ sec_parms->v1.data_in_integrity_check_offset = offset;
+ else
+ sec_parms->v2.data_in_integrity_check_offset = offset;
+}
+
static int _osd_req_finalize_data_integrity(struct osd_request *or,
bool has_in, bool has_out, const u8 *cap_key)
{
@@ -1182,8 +1255,8 @@ static int _osd_req_finalize_data_integrity(struct osd_request *or,
or->out_data_integ.get_attributes_bytes = cpu_to_be64(
or->enc_get_attr.total_bytes);
- sec_parms->data_out_integrity_check_offset =
- osd_req_encode_offset(or, or->out.total_bytes, &pad);
+ osd_sec_parms_set_out_offset(osd_req_is_ver1(or), sec_parms,
+ osd_req_encode_offset(or, or->out.total_bytes, &pad));
ret = _req_append_segment(or, pad, &seg, or->out.last_seg,
&or->out);
@@ -1203,8 +1276,8 @@ static int _osd_req_finalize_data_integrity(struct osd_request *or,
};
unsigned pad;
- sec_parms->data_in_integrity_check_offset =
- osd_req_encode_offset(or, or->in.total_bytes, &pad);
+ osd_sec_parms_set_in_offset(osd_req_is_ver1(or), sec_parms,
+ osd_req_encode_offset(or, or->in.total_bytes, &pad));
ret = _req_append_segment(or, pad, &seg, or->in.last_seg,
&or->in);
diff --git a/drivers/scsi/osd/osd_uld.c b/drivers/scsi/osd/osd_uld.c
index f644c9571eab..22b59e13ba83 100644
--- a/drivers/scsi/osd/osd_uld.c
+++ b/drivers/scsi/osd/osd_uld.c
@@ -173,26 +173,26 @@ static const struct file_operations osd_fops = {
.unlocked_ioctl = osd_uld_ioctl,
};
-struct osd_dev *osduld_path_lookup(const char *path)
+struct osd_dev *osduld_path_lookup(const char *name)
{
- struct nameidata nd;
+ struct path path;
struct inode *inode;
struct cdev *cdev;
struct osd_uld_device *uninitialized_var(oud);
int error;
- if (!path || !*path) {
+ if (!name || !*name) {
OSD_ERR("Mount with !path || !*path\n");
return ERR_PTR(-EINVAL);
}
- error = path_lookup(path, LOOKUP_FOLLOW, &nd);
+ error = kern_path(name, LOOKUP_FOLLOW, &path);
if (error) {
- OSD_ERR("path_lookup of %s faild=>%d\n", path, error);
+ OSD_ERR("path_lookup of %s failed=>%d\n", name, error);
return ERR_PTR(error);
}
- inode = nd.path.dentry->d_inode;
+ inode = path.dentry->d_inode;
error = -EINVAL; /* Not the right device e.g osd_uld_device */
if (!S_ISCHR(inode->i_mode)) {
OSD_DEBUG("!S_ISCHR()\n");
@@ -202,15 +202,15 @@ struct osd_dev *osduld_path_lookup(const char *path)
cdev = inode->i_cdev;
if (!cdev) {
OSD_ERR("Before mounting an OSD Based filesystem\n");
- OSD_ERR(" user-mode must open+close the %s device\n", path);
- OSD_ERR(" Example: bash: echo < %s\n", path);
+ OSD_ERR(" user-mode must open+close the %s device\n", name);
+ OSD_ERR(" Example: bash: echo < %s\n", name);
goto out;
}
/* The Magic wand. Is it our char-dev */
/* TODO: Support sg devices */
if (cdev->owner != THIS_MODULE) {
- OSD_ERR("Error mounting %s - is not an OSD device\n", path);
+ OSD_ERR("Error mounting %s - is not an OSD device\n", name);
goto out;
}
@@ -220,7 +220,7 @@ struct osd_dev *osduld_path_lookup(const char *path)
error = 0;
out:
- path_put(&nd.path);
+ path_put(&path);
return error ? ERR_PTR(error) : &oud->od;
}
EXPORT_SYMBOL(osduld_path_lookup);
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index d1cb64ad1a3f..bb218c8b6e98 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1291,10 +1291,8 @@ static inline int scsi_target_queue_ready(struct Scsi_Host *shost,
if (--starget->target_blocked == 0) {
SCSI_LOG_MLQUEUE(3, starget_printk(KERN_INFO, starget,
"unblocking target at zero depth\n"));
- } else {
- blk_plug_device(sdev->request_queue);
+ } else
return 0;
- }
}
if (scsi_target_is_busy(starget)) {
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 6f51ca485f35..e2b50d8f57a8 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -425,6 +425,7 @@ static struct scsi_target *scsi_alloc_target(struct device *parent,
INIT_LIST_HEAD(&starget->devices);
starget->state = STARGET_CREATED;
starget->scsi_level = SCSI_2;
+ starget->max_target_blocked = SCSI_DEFAULT_TARGET_BLOCKED;
retry:
spin_lock_irqsave(shost->host_lock, flags);
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 094795455293..0a2ce7b6325c 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -357,7 +357,7 @@ int iscsi_session_chkready(struct iscsi_cls_session *session)
err = 0;
break;
case ISCSI_SESSION_FAILED:
- err = DID_TRANSPORT_DISRUPTED << 16;
+ err = DID_IMM_RETRY << 16;
break;
case ISCSI_SESSION_FREE:
err = DID_TRANSPORT_FAILFAST << 16;
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 3fcb64b91c43..84044233b637 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -50,6 +50,7 @@
#include <linux/string_helpers.h>
#include <linux/async.h>
#include <asm/uaccess.h>
+#include <asm/unaligned.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
@@ -1344,12 +1345,8 @@ static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp,
return -EINVAL;
}
- sector_size = (buffer[8] << 24) | (buffer[9] << 16) |
- (buffer[10] << 8) | buffer[11];
- lba = (((u64)buffer[0] << 56) | ((u64)buffer[1] << 48) |
- ((u64)buffer[2] << 40) | ((u64)buffer[3] << 32) |
- ((u64)buffer[4] << 24) | ((u64)buffer[5] << 16) |
- ((u64)buffer[6] << 8) | (u64)buffer[7]);
+ sector_size = get_unaligned_be32(&buffer[8]);
+ lba = get_unaligned_be64(&buffer[0]);
sd_read_protection_type(sdkp, buffer);
@@ -1400,10 +1397,8 @@ static int read_capacity_10(struct scsi_disk *sdkp, struct scsi_device *sdp,
return -EINVAL;
}
- sector_size = (buffer[4] << 24) | (buffer[5] << 16) |
- (buffer[6] << 8) | buffer[7];
- lba = (buffer[0] << 24) | (buffer[1] << 16) |
- (buffer[2] << 8) | buffer[3];
+ sector_size = get_unaligned_be32(&buffer[4]);
+ lba = get_unaligned_be32(&buffer[0]);
if ((sizeof(sdkp->capacity) == 4) && (lba == 0xffffffff)) {
sd_printk(KERN_ERR, sdkp, "Too big for this kernel. Use a "
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 82312df9b0bf..e1716f14cd47 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -179,7 +179,7 @@ typedef struct sg_device { /* holds the state of each scsi generic device */
/* tasklet or soft irq callback */
static void sg_rq_end_io(struct request *rq, int uptodate);
static int sg_start_req(Sg_request *srp, unsigned char *cmd);
-static void sg_finish_rem_req(Sg_request * srp);
+static int sg_finish_rem_req(Sg_request * srp);
static int sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size);
static ssize_t sg_new_read(Sg_fd * sfp, char __user *buf, size_t count,
Sg_request * srp);
@@ -518,7 +518,7 @@ sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp)
goto err_out;
}
err_out:
- sg_finish_rem_req(srp);
+ err = sg_finish_rem_req(srp);
return (0 == err) ? count : err;
}
@@ -1696,9 +1696,10 @@ static int sg_start_req(Sg_request *srp, unsigned char *cmd)
return res;
}
-static void
-sg_finish_rem_req(Sg_request * srp)
+static int sg_finish_rem_req(Sg_request * srp)
{
+ int ret = 0;
+
Sg_fd *sfp = srp->parentfp;
Sg_scatter_hold *req_schp = &srp->data;
@@ -1710,12 +1711,14 @@ sg_finish_rem_req(Sg_request * srp)
if (srp->rq) {
if (srp->bio)
- blk_rq_unmap_user(srp->bio);
+ ret = blk_rq_unmap_user(srp->bio);
blk_put_request(srp->rq);
}
sg_remove_request(sfp, srp);
+
+ return ret;
}
static int
diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c
index d92ff512d213..291236e6e435 100644
--- a/drivers/scsi/sr_ioctl.c
+++ b/drivers/scsi/sr_ioctl.c
@@ -309,6 +309,11 @@ int sr_drive_status(struct cdrom_device_info *cdi, int slot)
if (0 == sr_test_unit_ready(cd->device, &sshdr))
return CDS_DISC_OK;
+ /* SK/ASC/ASCQ of 2/4/1 means "unit is becoming ready" */
+ if (scsi_sense_valid(&sshdr) && sshdr.sense_key == NOT_READY
+ && sshdr.asc == 0x04 && sshdr.ascq == 0x01)
+ return CDS_DRIVE_NOT_READY;
+
if (!cdrom_get_media_event(cdi, &med)) {
if (med.media_present)
return CDS_DISC_OK;
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index b4b39811b445..a0127e93ade0 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -137,6 +137,7 @@ struct uart_8250_port {
unsigned char mcr;
unsigned char mcr_mask; /* mask of user bits */
unsigned char mcr_force; /* mask of forced bits */
+ unsigned char cur_iotype; /* Running I/O type */
/*
* Some bits in registers are cleared on a read, so they must
@@ -471,6 +472,7 @@ static void io_serial_out(struct uart_port *p, int offset, int value)
static void set_io_from_upio(struct uart_port *p)
{
+ struct uart_8250_port *up = (struct uart_8250_port *)p;
switch (p->iotype) {
case UPIO_HUB6:
p->serial_in = hub6_serial_in;
@@ -509,6 +511,8 @@ static void set_io_from_upio(struct uart_port *p)
p->serial_out = io_serial_out;
break;
}
+ /* Remember loaded iotype */
+ up->cur_iotype = p->iotype;
}
static void
@@ -1937,6 +1941,9 @@ static int serial8250_startup(struct uart_port *port)
up->capabilities = uart_config[up->port.type].flags;
up->mcr = 0;
+ if (up->port.iotype != up->cur_iotype)
+ set_io_from_upio(port);
+
if (up->port.type == PORT_16C950) {
/* Wake up and initialize UART */
up->acr = 0;
@@ -2563,6 +2570,9 @@ static void serial8250_config_port(struct uart_port *port, int flags)
if (ret < 0)
probeflags &= ~PROBE_RSA;
+ if (up->port.iotype != up->cur_iotype)
+ set_io_from_upio(port);
+
if (flags & UART_CONFIG_TYPE)
autoconfig(up, probeflags);
if (up->port.type != PORT_UNKNOWN && flags & UART_CONFIG_IRQ)
@@ -2671,6 +2681,11 @@ serial8250_register_ports(struct uart_driver *drv, struct device *dev)
{
int i;
+ for (i = 0; i < nr_uarts; i++) {
+ struct uart_8250_port *up = &serial8250_ports[i];
+ up->cur_iotype = 0xFF;
+ }
+
serial8250_isa_init_ports();
for (i = 0; i < nr_uarts; i++) {
diff --git a/drivers/serial/8250_gsc.c b/drivers/serial/8250_gsc.c
index 418b4fe9a0a1..33149d982e82 100644
--- a/drivers/serial/8250_gsc.c
+++ b/drivers/serial/8250_gsc.c
@@ -39,9 +39,9 @@ static int __init serial_init_chip(struct parisc_device *dev)
*/
if (parisc_parent(dev)->id.hw_type != HPHW_IOA)
printk(KERN_INFO
- "Serial: device 0x%lx not configured.\n"
+ "Serial: device 0x%llx not configured.\n"
"Enable support for Wax, Lasi, Asp or Dino.\n",
- dev->hpa.start);
+ (unsigned long long)dev->hpa.start);
return -ENODEV;
}
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index e3a5ad5ef1d6..cdc049d4350f 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -665,7 +665,7 @@ static struct uart_driver amba_reg = {
.cons = AMBA_CONSOLE,
};
-static int pl010_probe(struct amba_device *dev, void *id)
+static int pl010_probe(struct amba_device *dev, struct amba_id *id)
{
struct uart_amba_port *uap;
void __iomem *base;
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index 8b2b9700f3e4..88fdac51b6c5 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -729,7 +729,7 @@ static struct uart_driver amba_reg = {
.cons = AMBA_CONSOLE,
};
-static int pl011_probe(struct amba_device *dev, void *id)
+static int pl011_probe(struct amba_device *dev, struct amba_id *id)
{
struct uart_amba_port *uap;
void __iomem *base;
diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c
index 7ba7d70f04d6..7be52fe288eb 100644
--- a/drivers/serial/crisv10.c
+++ b/drivers/serial/crisv10.c
@@ -23,16 +23,18 @@ static char *serial_version = "$Revision: 1.25 $";
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/init.h>
-#include <asm/uaccess.h>
#include <linux/kernel.h>
#include <linux/mutex.h>
#include <linux/bitops.h>
+#include <linux/seq_file.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
-#include <asm/io.h>
#include <asm/irq.h>
#include <asm/dma.h>
#include <asm/system.h>
-#include <linux/delay.h>
#include <arch/svinto.h>
@@ -456,7 +458,6 @@ static struct e100_serial rs_table[] = {
#define NR_PORTS (sizeof(rs_table)/sizeof(struct e100_serial))
-static struct ktermios *serial_termios[NR_PORTS];
#ifdef CONFIG_ETRAX_SERIAL_FAST_TIMER
static struct fast_timer fast_timers[NR_PORTS];
#endif
@@ -4257,151 +4258,132 @@ rs_open(struct tty_struct *tty, struct file * filp)
return 0;
}
+#ifdef CONFIG_PROC_FS
/*
* /proc fs routines....
*/
-static int line_info(char *buf, struct e100_serial *info)
+static void seq_line_info(struct seq_file *m, struct e100_serial *info)
{
- char stat_buf[30];
- int ret;
unsigned long tmp;
- ret = sprintf(buf, "%d: uart:E100 port:%lX irq:%d",
- info->line, (unsigned long)info->ioport, info->irq);
+ seq_printf(m, "%d: uart:E100 port:%lX irq:%d",
+ info->line, (unsigned long)info->ioport, info->irq);
if (!info->ioport || (info->type == PORT_UNKNOWN)) {
- ret += sprintf(buf+ret, "\n");
- return ret;
+ seq_printf(m, "\n");
+ return;
}
- stat_buf[0] = 0;
- stat_buf[1] = 0;
- if (!E100_RTS_GET(info))
- strcat(stat_buf, "|RTS");
- if (!E100_CTS_GET(info))
- strcat(stat_buf, "|CTS");
- if (!E100_DTR_GET(info))
- strcat(stat_buf, "|DTR");
- if (!E100_DSR_GET(info))
- strcat(stat_buf, "|DSR");
- if (!E100_CD_GET(info))
- strcat(stat_buf, "|CD");
- if (!E100_RI_GET(info))
- strcat(stat_buf, "|RI");
-
- ret += sprintf(buf+ret, " baud:%d", info->baud);
-
- ret += sprintf(buf+ret, " tx:%lu rx:%lu",
+ seq_printf(m, " baud:%d", info->baud);
+ seq_printf(m, " tx:%lu rx:%lu",
(unsigned long)info->icount.tx,
(unsigned long)info->icount.rx);
tmp = CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
- if (tmp) {
- ret += sprintf(buf+ret, " tx_pend:%lu/%lu",
- (unsigned long)tmp,
- (unsigned long)SERIAL_XMIT_SIZE);
- }
+ if (tmp)
+ seq_printf(m, " tx_pend:%lu/%lu",
+ (unsigned long)tmp,
+ (unsigned long)SERIAL_XMIT_SIZE);
- ret += sprintf(buf+ret, " rx_pend:%lu/%lu",
- (unsigned long)info->recv_cnt,
- (unsigned long)info->max_recv_cnt);
+ seq_printf(m, " rx_pend:%lu/%lu",
+ (unsigned long)info->recv_cnt,
+ (unsigned long)info->max_recv_cnt);
#if 1
if (info->port.tty) {
-
if (info->port.tty->stopped)
- ret += sprintf(buf+ret, " stopped:%i",
- (int)info->port.tty->stopped);
+ seq_printf(m, " stopped:%i",
+ (int)info->port.tty->stopped);
if (info->port.tty->hw_stopped)
- ret += sprintf(buf+ret, " hw_stopped:%i",
- (int)info->port.tty->hw_stopped);
+ seq_printf(m, " hw_stopped:%i",
+ (int)info->port.tty->hw_stopped);
}
{
unsigned char rstat = info->ioport[REG_STATUS];
- if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect) )
- ret += sprintf(buf+ret, " xoff_detect:1");
+ if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect))
+ seq_printf(m, " xoff_detect:1");
}
#endif
-
-
-
if (info->icount.frame)
- ret += sprintf(buf+ret, " fe:%lu",
- (unsigned long)info->icount.frame);
+ seq_printf(m, " fe:%lu", (unsigned long)info->icount.frame);
if (info->icount.parity)
- ret += sprintf(buf+ret, " pe:%lu",
- (unsigned long)info->icount.parity);
+ seq_printf(m, " pe:%lu", (unsigned long)info->icount.parity);
if (info->icount.brk)
- ret += sprintf(buf+ret, " brk:%lu",
- (unsigned long)info->icount.brk);
+ seq_printf(m, " brk:%lu", (unsigned long)info->icount.brk);
if (info->icount.overrun)
- ret += sprintf(buf+ret, " oe:%lu",
- (unsigned long)info->icount.overrun);
+ seq_printf(m, " oe:%lu", (unsigned long)info->icount.overrun);
/*
* Last thing is the RS-232 status lines
*/
- ret += sprintf(buf+ret, " %s\n", stat_buf+1);
- return ret;
+ if (!E100_RTS_GET(info))
+ seq_puts(m, "|RTS");
+ if (!E100_CTS_GET(info))
+ seq_puts(m, "|CTS");
+ if (!E100_DTR_GET(info))
+ seq_puts(m, "|DTR");
+ if (!E100_DSR_GET(info))
+ seq_puts(m, "|DSR");
+ if (!E100_CD_GET(info))
+ seq_puts(m, "|CD");
+ if (!E100_RI_GET(info))
+ seq_puts(m, "|RI");
+ seq_puts(m, "\n");
}
-int rs_read_proc(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+
+static int crisv10_proc_show(struct seq_file *m, void *v)
{
- int i, len = 0, l;
- off_t begin = 0;
+ int i;
- len += sprintf(page, "serinfo:1.0 driver:%s\n",
- serial_version);
- for (i = 0; i < NR_PORTS && len < 4000; i++) {
+ seq_printf(m, "serinfo:1.0 driver:%s\n", serial_version);
+
+ for (i = 0; i < NR_PORTS; i++) {
if (!rs_table[i].enabled)
continue;
- l = line_info(page + len, &rs_table[i]);
- len += l;
- if (len+begin > off+count)
- goto done;
- if (len+begin < off) {
- begin += len;
- len = 0;
- }
+ seq_line_info(m, &rs_table[i]);
}
#ifdef DEBUG_LOG_INCLUDED
for (i = 0; i < debug_log_pos; i++) {
- len += sprintf(page + len, "%-4i %lu.%lu ", i, debug_log[i].time, timer_data_to_ns(debug_log[i].timer_data));
- len += sprintf(page + len, debug_log[i].string, debug_log[i].value);
- if (len+begin > off+count)
- goto done;
- if (len+begin < off) {
- begin += len;
- len = 0;
- }
+ seq_printf(m, "%-4i %lu.%lu ",
+ i, debug_log[i].time,
+ timer_data_to_ns(debug_log[i].timer_data));
+ seq_printf(m, debug_log[i].string, debug_log[i].value);
}
- len += sprintf(page + len, "debug_log %i/%i %li bytes\n",
- i, DEBUG_LOG_SIZE, begin+len);
+ seq_printf(m, "debug_log %i/%i\n", i, DEBUG_LOG_SIZE);
debug_log_pos = 0;
#endif
+ return 0;
+}
- *eof = 1;
-done:
- if (off >= len+begin)
- return 0;
- *start = page + (off-begin);
- return ((count < begin+len-off) ? count : begin+len-off);
+static int crisv10_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, crisv10_proc_show, NULL);
}
+static const struct file_operations crisv10_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = crisv10_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+#endif
+
+
/* Finally, routines used to initialize the serial driver. */
-static void
-show_serial_version(void)
+static void show_serial_version(void)
{
printk(KERN_INFO
- "ETRAX 100LX serial-driver %s, (c) 2000-2004 Axis Communications AB\r\n",
+ "ETRAX 100LX serial-driver %s, "
+ "(c) 2000-2004 Axis Communications AB\r\n",
&serial_version[11]); /* "$Revision: x.yy" */
}
@@ -4425,13 +4407,14 @@ static const struct tty_operations rs_ops = {
.break_ctl = rs_break,
.send_xchar = rs_send_xchar,
.wait_until_sent = rs_wait_until_sent,
- .read_proc = rs_read_proc,
.tiocmget = rs_tiocmget,
- .tiocmset = rs_tiocmset
+ .tiocmset = rs_tiocmset,
+#ifdef CONFIG_PROC_FS
+ .proc_fops = &crisv10_proc_fops,
+#endif
};
-static int __init
-rs_init(void)
+static int __init rs_init(void)
{
int i;
struct e100_serial *info;
diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c
index 6579e2be1dd1..a461b3b2c72d 100644
--- a/drivers/serial/icom.c
+++ b/drivers/serial/icom.c
@@ -1472,8 +1472,8 @@ static void icom_remove_adapter(struct icom_adapter *icom_adapter)
free_irq(icom_adapter->pci_dev->irq, (void *) icom_adapter);
iounmap(icom_adapter->base_addr);
- icom_free_adapter(icom_adapter);
pci_release_regions(icom_adapter->pci_dev);
+ icom_free_adapter(icom_adapter);
}
static void icom_kref_release(struct kref *kref)
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 9f460b175c50..5f0be40dfdab 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -1031,6 +1031,8 @@ imx_console_setup(struct console *co, char *options)
if (co->index == -1 || co->index >= ARRAY_SIZE(imx_ports))
co->index = 0;
sport = imx_ports[co->index];
+ if(sport == NULL)
+ return -ENODEV;
if (options)
uart_parse_options(options, &baud, &parity, &bits, &flow);
diff --git a/drivers/serial/jsm/jsm.h b/drivers/serial/jsm/jsm.h
index 8871aaa3dba6..c0a3e2734e24 100644
--- a/drivers/serial/jsm/jsm.h
+++ b/drivers/serial/jsm/jsm.h
@@ -130,8 +130,6 @@ struct jsm_board
struct pci_dev *pci_dev;
u32 maxports; /* MAX ports this board can handle */
- spinlock_t bd_lock; /* Used to protect board */
-
spinlock_t bd_intr_lock; /* Used to protect the poller tasklet and
* the interrupt routine from each other.
*/
diff --git a/drivers/serial/jsm/jsm_driver.c b/drivers/serial/jsm/jsm_driver.c
index d2d32a198629..b3604aa322a4 100644
--- a/drivers/serial/jsm/jsm_driver.c
+++ b/drivers/serial/jsm/jsm_driver.c
@@ -88,7 +88,6 @@ static int __devinit jsm_probe_one(struct pci_dev *pdev, const struct pci_device
else
brd->maxports = 2;
- spin_lock_init(&brd->bd_lock);
spin_lock_init(&brd->bd_intr_lock);
/* store which revision we have */
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index 7f72f8ceaa6f..b3feb6198d57 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -988,7 +988,7 @@ mpc52xx_console_setup(struct console *co, char *options)
pr_debug("mpc52xx_console_setup co=%p, co->index=%i, options=%s\n",
co, co->index, options);
- if ((co->index < 0) || (co->index > MPC52xx_PSC_MAXNUM)) {
+ if ((co->index < 0) || (co->index >= MPC52xx_PSC_MAXNUM)) {
pr_debug("PSC%x out of range\n", co->index);
return -EINVAL;
}
diff --git a/drivers/serial/nwpserial.c b/drivers/serial/nwpserial.c
index 32f3eaf0d262..9e150b19d726 100644
--- a/drivers/serial/nwpserial.c
+++ b/drivers/serial/nwpserial.c
@@ -145,11 +145,13 @@ static irqreturn_t nwpserial_interrupt(int irq, void *dev_id)
ch = dcr_read(up->dcr_host, UART_RX);
if (up->port.ignore_status_mask != NWPSERIAL_STATUS_RXVALID)
tty_insert_flip_char(tty, ch, TTY_NORMAL);
- } while (dcr_read(up->dcr_host, UART_RX) & UART_LSR_DR);
+ } while (dcr_read(up->dcr_host, UART_LSR) & UART_LSR_DR);
tty_flip_buffer_push(tty);
ret = IRQ_HANDLED;
+ /* clear interrupt */
+ dcr_write(up->dcr_host, UART_IIR, 1);
out:
spin_unlock(&up->port.lock);
return ret;
diff --git a/drivers/serial/s3c6400.c b/drivers/serial/s3c6400.c
index 06936d13393f..3e3785233682 100644
--- a/drivers/serial/s3c6400.c
+++ b/drivers/serial/s3c6400.c
@@ -102,6 +102,7 @@ static struct s3c24xx_uart_info s3c6400_uart_inf = {
.name = "Samsung S3C6400 UART",
.type = PORT_S3C6400,
.fifosize = 64,
+ .has_divslot = 1,
.rx_fifomask = S3C2440_UFSTAT_RXMASK,
.rx_fifoshift = S3C2440_UFSTAT_RXSHIFT,
.rx_fifofull = S3C2440_UFSTAT_RXFULL,
diff --git a/drivers/serial/samsung.c b/drivers/serial/samsung.c
index e06686ae858b..93b5d75db126 100644
--- a/drivers/serial/samsung.c
+++ b/drivers/serial/samsung.c
@@ -508,6 +508,7 @@ s3c24xx_serial_setsource(struct uart_port *port, struct s3c24xx_uart_clksrc *c)
struct baud_calc {
struct s3c24xx_uart_clksrc *clksrc;
unsigned int calc;
+ unsigned int divslot;
unsigned int quot;
struct clk *src;
};
@@ -517,6 +518,7 @@ static int s3c24xx_serial_calcbaud(struct baud_calc *calc,
struct s3c24xx_uart_clksrc *clksrc,
unsigned int baud)
{
+ struct s3c24xx_uart_port *ourport = to_ourport(port);
unsigned long rate;
calc->src = clk_get(port->dev, clksrc->name);
@@ -527,8 +529,24 @@ static int s3c24xx_serial_calcbaud(struct baud_calc *calc,
rate /= clksrc->divisor;
calc->clksrc = clksrc;
- calc->quot = (rate + (8 * baud)) / (16 * baud);
- calc->calc = (rate / (calc->quot * 16));
+
+ if (ourport->info->has_divslot) {
+ unsigned long div = rate / baud;
+
+ /* The UDIVSLOT register on the newer UARTs allows us to
+ * get a divisor adjustment of 1/16th on the baud clock.
+ *
+ * We don't keep the UDIVSLOT value (the 16ths we calculated
+ * by not multiplying the baud by 16) as it is easy enough
+ * to recalculate.
+ */
+
+ calc->quot = div / 16;
+ calc->calc = rate / div;
+ } else {
+ calc->quot = (rate + (8 * baud)) / (16 * baud);
+ calc->calc = (rate / (calc->quot * 16));
+ }
calc->quot--;
return 1;
@@ -611,6 +629,30 @@ static unsigned int s3c24xx_serial_getclk(struct uart_port *port,
return best->quot;
}
+/* udivslot_table[]
+ *
+ * This table takes the fractional value of the baud divisor and gives
+ * the recommended setting for the UDIVSLOT register.
+ */
+static u16 udivslot_table[16] = {
+ [0] = 0x0000,
+ [1] = 0x0080,
+ [2] = 0x0808,
+ [3] = 0x0888,
+ [4] = 0x2222,
+ [5] = 0x4924,
+ [6] = 0x4A52,
+ [7] = 0x54AA,
+ [8] = 0x5555,
+ [9] = 0xD555,
+ [10] = 0xD5D5,
+ [11] = 0xDDD5,
+ [12] = 0xDDDD,
+ [13] = 0xDFDD,
+ [14] = 0xDFDF,
+ [15] = 0xFFDF,
+};
+
static void s3c24xx_serial_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
@@ -623,6 +665,7 @@ static void s3c24xx_serial_set_termios(struct uart_port *port,
unsigned int baud, quot;
unsigned int ulcon;
unsigned int umcon;
+ unsigned int udivslot = 0;
/*
* We don't support modem control lines.
@@ -644,6 +687,7 @@ static void s3c24xx_serial_set_termios(struct uart_port *port,
/* check to see if we need to change clock source */
if (ourport->clksrc != clksrc || ourport->baudclk != clk) {
+ dbg("selecting clock %p\n", clk);
s3c24xx_serial_setsource(port, clksrc);
if (ourport->baudclk != NULL && !IS_ERR(ourport->baudclk)) {
@@ -658,6 +702,13 @@ static void s3c24xx_serial_set_termios(struct uart_port *port,
ourport->baudclk_rate = clk ? clk_get_rate(clk) : 0;
}
+ if (ourport->info->has_divslot) {
+ unsigned int div = ourport->baudclk_rate / baud;
+
+ udivslot = udivslot_table[div & 15];
+ dbg("udivslot = %04x (div %d)\n", udivslot, div & 15);
+ }
+
switch (termios->c_cflag & CSIZE) {
case CS5:
dbg("config: 5bits/char\n");
@@ -697,12 +748,16 @@ static void s3c24xx_serial_set_termios(struct uart_port *port,
spin_lock_irqsave(&port->lock, flags);
- dbg("setting ulcon to %08x, brddiv to %d\n", ulcon, quot);
+ dbg("setting ulcon to %08x, brddiv to %d, udivslot %08x\n",
+ ulcon, quot, udivslot);
wr_regl(port, S3C2410_ULCON, ulcon);
wr_regl(port, S3C2410_UBRDIV, quot);
wr_regl(port, S3C2410_UMCON, umcon);
+ if (ourport->info->has_divslot)
+ wr_regl(port, S3C2443_DIVSLOT, udivslot);
+
dbg("uart: ulcon = 0x%08x, ucon = 0x%08x, ufcon = 0x%08x\n",
rd_regl(port, S3C2410_ULCON),
rd_regl(port, S3C2410_UCON),
diff --git a/drivers/serial/samsung.h b/drivers/serial/samsung.h
index 571d6b90d206..7afb94843a08 100644
--- a/drivers/serial/samsung.h
+++ b/drivers/serial/samsung.h
@@ -21,6 +21,10 @@ struct s3c24xx_uart_info {
unsigned long tx_fifoshift;
unsigned long tx_fifofull;
+ /* uart port features */
+
+ unsigned int has_divslot:1;
+
/* clock source control */
int (*get_clksrc)(struct uart_port *, struct s3c24xx_uart_clksrc *clk);
diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c
index 885194a07418..3f3c08c6ba4e 100644
--- a/drivers/spi/pxa2xx_spi.c
+++ b/drivers/spi/pxa2xx_spi.c
@@ -1373,6 +1373,9 @@ static void cleanup(struct spi_device *spi)
{
struct chip_data *chip = spi_get_ctldata(spi);
+ if (!chip)
+ return;
+
if (gpio_is_valid(chip->gpio_cs))
gpio_free(chip->gpio_cs);
diff --git a/drivers/ssb/embedded.c b/drivers/ssb/embedded.c
index 7dc3a6b41397..a0e0d246b592 100644
--- a/drivers/ssb/embedded.c
+++ b/drivers/ssb/embedded.c
@@ -29,6 +29,7 @@ int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks)
}
return -ENODEV;
}
+EXPORT_SYMBOL(ssb_watchdog_timer_set);
u32 ssb_gpio_in(struct ssb_bus *bus, u32 mask)
{
diff --git a/drivers/staging/comedi/TODO b/drivers/staging/comedi/TODO
index 557812958464..15c9348fb938 100644
--- a/drivers/staging/comedi/TODO
+++ b/drivers/staging/comedi/TODO
@@ -11,4 +11,3 @@ Please send patches to Greg Kroah-Hartman <greg@kroah.com> and
copy:
Ian Abbott <abbotti@mev.co.uk>
Frank Mori Hess <fmhess@users.sourceforge.net>
- David Schleef <ds@schleef.org>
diff --git a/drivers/staging/rt2870/rt2870.h b/drivers/staging/rt2870/rt2870.h
index a42caa370808..a69cf338e498 100644
--- a/drivers/staging/rt2870/rt2870.h
+++ b/drivers/staging/rt2870/rt2870.h
@@ -145,6 +145,7 @@
{USB_DEVICE(0x0789,0x0162)}, /* Logitec */ \
{USB_DEVICE(0x0789,0x0163)}, /* Logitec */ \
{USB_DEVICE(0x0789,0x0164)}, /* Logitec */ \
+ {USB_DEVICE(0x7392,0x7717)}, /* Edimax */ \
{ }/* Terminating entry */ \
}
diff --git a/drivers/staging/rtl8187se/r8180.h b/drivers/staging/rtl8187se/r8180.h
index 12215fc61ddc..db446b7e2e08 100644
--- a/drivers/staging/rtl8187se/r8180.h
+++ b/drivers/staging/rtl8187se/r8180.h
@@ -19,7 +19,7 @@
#define R8180H
-#define RTL8180_MODULE_NAME "rtl8180"
+#define RTL8180_MODULE_NAME "r8180"
#define DMESG(x,a...) printk(KERN_INFO RTL8180_MODULE_NAME ": " x "\n", ## a)
#define DMESGW(x,a...) printk(KERN_WARNING RTL8180_MODULE_NAME ": WW:" x "\n", ## a)
#define DMESGE(x,a...) printk(KERN_WARNING RTL8180_MODULE_NAME ": EE:" x "\n", ## a)
diff --git a/drivers/staging/rtl8187se/r8180_core.c b/drivers/staging/rtl8187se/r8180_core.c
index 6ecd12de4296..e10413cee0df 100644
--- a/drivers/staging/rtl8187se/r8180_core.c
+++ b/drivers/staging/rtl8187se/r8180_core.c
@@ -640,11 +640,9 @@ void rtl8180_proc_init_one(struct net_device *dev)
{
struct proc_dir_entry *e;
struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
- priv->dir_dev = create_proc_entry(dev->name,
- S_IFDIR | S_IRUGO | S_IXUGO,
- rtl8180_proc);
+ priv->dir_dev = rtl8180_proc;
if (!priv->dir_dev) {
- DMESGE("Unable to initialize /proc/net/rtl8180/%s\n",
+ DMESGE("Unable to initialize /proc/net/r8180/%s\n",
dev->name);
return;
}
@@ -654,7 +652,7 @@ void rtl8180_proc_init_one(struct net_device *dev)
if (!e) {
DMESGE("Unable to initialize "
- "/proc/net/rtl8180/%s/stats-hw\n",
+ "/proc/net/r8180/%s/stats-hw\n",
dev->name);
}
@@ -663,7 +661,7 @@ void rtl8180_proc_init_one(struct net_device *dev)
if (!e) {
DMESGE("Unable to initialize "
- "/proc/net/rtl8180/%s/stats-rx\n",
+ "/proc/net/r8180/%s/stats-rx\n",
dev->name);
}
@@ -673,7 +671,7 @@ void rtl8180_proc_init_one(struct net_device *dev)
if (!e) {
DMESGE("Unable to initialize "
- "/proc/net/rtl8180/%s/stats-tx\n",
+ "/proc/net/r8180/%s/stats-tx\n",
dev->name);
}
#if 0
@@ -702,7 +700,7 @@ void rtl8180_proc_init_one(struct net_device *dev)
if (!e) {
DMESGE("Unable to initialize "
- "/proc/net/rtl8180/%s/registers\n",
+ "/proc/net/r8180/%s/registers\n",
dev->name);
}
}
@@ -977,13 +975,6 @@ void check_tx_ring(struct net_device *dev, int pri)
*tmp & (1<<15)? "ok": "err", *(tmp+4));
}
- DMESG("nic at %d",
- (nic-nicbegin) / 8 /4);
- DMESG("tail at %d", ((int)tail - (int)begin) /8 /4);
- DMESG("head at %d", ((int)head - (int)begin) /8 /4);
- DMESG("check free desc returns %d", check_nic_enought_desc(dev,pri));
- DMESG("free desc is %d\n", get_curr_tx_free_desc(dev,pri));
- //rtl8180_reset(dev);
return;
}
@@ -1736,17 +1727,7 @@ short alloc_tx_desc_ring(struct net_device *dev, int bufsize, int count,
* descriptor's buffer must be 256 byte aligned
* we shouldn't be here, since we set DMA mask !
*/
- DMESGW("Fixing TX alignment");
- desc = (u32*)((u8*)desc + 256);
-#if (defined(CONFIG_HIGHMEM64G) || defined(CONFIG_64BIT_PHYS_ADDR))
- desc = (u32*)((u64)desc &~ 0xff);
- dma_desc = (dma_addr_t)((u8*)dma_desc + 256);
- dma_desc = (dma_addr_t)((u64)dma_desc &~ 0xff);
-#else
- desc = (u32*)((u32)desc &~ 0xff);
- dma_desc = (dma_addr_t)((u8*)dma_desc + 256);
- dma_desc = (dma_addr_t)((u32)dma_desc &~ 0xff);
-#endif
+ WARN(1, "DMA buffer is not aligned\n");
}
tmp=desc;
for (i=0;i<count;i++)
@@ -1984,18 +1965,7 @@ short alloc_rx_desc_ring(struct net_device *dev, u16 bufsize, int count)
* descriptor's buffer must be 256 byte aligned
* should never happen since we specify the DMA mask
*/
-
- DMESGW("Fixing RX alignment");
- desc = (u32*)((u8*)desc + 256);
-#if (defined(CONFIG_HIGHMEM64G) || defined(CONFIG_64BIT_PHYS_ADDR))
- desc = (u32*)((u64)desc &~ 0xff);
- dma_desc = (dma_addr_t)((u8*)dma_desc + 256);
- dma_desc = (dma_addr_t)((u64)dma_desc &~ 0xff);
-#else
- desc = (u32*)((u32)desc &~ 0xff);
- dma_desc = (dma_addr_t)((u8*)dma_desc + 256);
- dma_desc = (dma_addr_t)((u32)dma_desc &~ 0xff);
-#endif
+ WARN(1, "DMA buffer is not aligned\n");
}
priv->rxring=desc;
diff --git a/drivers/staging/winbond/wbusb.c b/drivers/staging/winbond/wbusb.c
index 9c3f9439f35e..3b2d52819b4c 100644
--- a/drivers/staging/winbond/wbusb.c
+++ b/drivers/staging/winbond/wbusb.c
@@ -386,7 +386,7 @@ static int wb35_probe(struct usb_interface *intf, const struct usb_device_id *id
if (err)
goto error_free_hw;
- usb_set_intfdata(intf, priv);
+ usb_set_intfdata(intf, dev);
return 0;
@@ -415,10 +415,15 @@ static void wb35_hw_halt(struct wbsoft_priv *adapter)
static void wb35_disconnect(struct usb_interface *intf)
{
- struct wbsoft_priv *priv = usb_get_intfdata(intf);
+ struct ieee80211_hw *hw = usb_get_intfdata(intf);
+ struct wbsoft_priv *priv = hw->priv;
wb35_hw_halt(priv);
+ ieee80211_stop_queues(hw);
+ ieee80211_unregister_hw(hw);
+ ieee80211_free_hw(hw);
+
usb_set_intfdata(intf, NULL);
usb_put_dev(interface_to_usbdev(intf));
}
diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c
index d0b093b66adc..5e38ba10a3a9 100644
--- a/drivers/thermal/thermal_sys.c
+++ b/drivers/thermal/thermal_sys.c
@@ -961,7 +961,7 @@ void thermal_zone_device_update(struct thermal_zone_device *tz)
switch (trip_type) {
case THERMAL_TRIP_CRITICAL:
- if (temp > trip_temp) {
+ if (temp >= trip_temp) {
if (tz->ops->notify)
ret = tz->ops->notify(tz, count,
trip_type);
@@ -974,7 +974,7 @@ void thermal_zone_device_update(struct thermal_zone_device *tz)
}
break;
case THERMAL_TRIP_HOT:
- if (temp > trip_temp)
+ if (temp >= trip_temp)
if (tz->ops->notify)
tz->ops->notify(tz, count, trip_type);
break;
@@ -986,14 +986,14 @@ void thermal_zone_device_update(struct thermal_zone_device *tz)
cdev = instance->cdev;
- if (temp > trip_temp)
+ if (temp >= trip_temp)
cdev->ops->set_cur_state(cdev, 1);
else
cdev->ops->set_cur_state(cdev, 0);
}
break;
case THERMAL_TRIP_PASSIVE:
- if (temp > trip_temp || tz->passive)
+ if (temp >= trip_temp || tz->passive)
thermal_zone_device_passive(tz, temp,
trip_temp, count);
break;
diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile
index 89299a5ce168..0a3dc5ece634 100644
--- a/drivers/usb/Makefile
+++ b/drivers/usb/Makefile
@@ -11,7 +11,6 @@ obj-$(CONFIG_USB_MON) += mon/
obj-$(CONFIG_PCI) += host/
obj-$(CONFIG_USB_EHCI_HCD) += host/
obj-$(CONFIG_USB_ISP116X_HCD) += host/
-obj-$(CONFIG_USB_ISP1760_HCD) += host/
obj-$(CONFIG_USB_OHCI_HCD) += host/
obj-$(CONFIG_USB_UHCI_HCD) += host/
obj-$(CONFIG_USB_FHCI_HCD) += host/
@@ -27,6 +26,8 @@ obj-$(CONFIG_USB_WUSB) += wusbcore/
obj-$(CONFIG_USB_ACM) += class/
obj-$(CONFIG_USB_PRINTER) += class/
+obj-$(CONFIG_USB_WDM) += class/
+obj-$(CONFIG_USB_TMC) += class/
obj-$(CONFIG_USB_STORAGE) += storage/
obj-$(CONFIG_USB) += storage/
diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c
index 6789089e2461..56802d2e994b 100644
--- a/drivers/usb/atm/cxacru.c
+++ b/drivers/usb/atm/cxacru.c
@@ -227,8 +227,14 @@ static ssize_t cxacru_sysfs_showattr_s8(s8 value, char *buf)
static ssize_t cxacru_sysfs_showattr_dB(s16 value, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%d.%02u\n",
- value / 100, abs(value) % 100);
+ if (likely(value >= 0)) {
+ return snprintf(buf, PAGE_SIZE, "%u.%02u\n",
+ value / 100, value % 100);
+ } else {
+ value = -value;
+ return snprintf(buf, PAGE_SIZE, "-%u.%02u\n",
+ value / 100, value % 100);
+ }
}
static ssize_t cxacru_sysfs_showattr_bool(u32 value, char *buf)
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 0a69c0977e3f..7a1164dd1d37 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1375,6 +1375,9 @@ static struct usb_device_id acm_ids[] = {
{ USB_DEVICE(0x0572, 0x1324), /* Conexant USB MODEM RD02-D400 */
.driver_info = NO_UNION_NORMAL, /* has no union descriptor */
},
+ { USB_DEVICE(0x0572, 0x1328), /* Shiro / Aztech USB MODEM UM-3100 */
+ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
+ },
{ USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */
},
{ USB_DEVICE(0x0572, 0x1329), /* Hummingbird huc56s (Conexant) */
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 563d57275448..05c913cc3658 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -794,7 +794,8 @@ usba_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
if (ep->desc) {
list_add_tail(&req->queue, &ep->queue);
- if (ep->is_in || (ep_is_control(ep)
+ if ((!ep_is_control(ep) && ep->is_in) ||
+ (ep_is_control(ep)
&& (ep->state == DATA_STAGE_IN
|| ep->state == STATUS_STAGE_IN)))
usba_ep_writel(ep, CTL_ENB, USBA_TX_PK_RDY);
@@ -1940,7 +1941,7 @@ static int __init usba_udc_probe(struct platform_device *pdev)
usba_writel(udc, CTRL, USBA_DISABLE_MASK);
clk_disable(pclk);
- usba_ep = kmalloc(sizeof(struct usba_ep) * pdata->num_ep,
+ usba_ep = kzalloc(sizeof(struct usba_ep) * pdata->num_ep,
GFP_KERNEL);
if (!usba_ep)
goto err_alloc_ep;
diff --git a/drivers/usb/gadget/usbstring.c b/drivers/usb/gadget/usbstring.c
index 4154be375c7a..58c4d37d312a 100644
--- a/drivers/usb/gadget/usbstring.c
+++ b/drivers/usb/gadget/usbstring.c
@@ -38,7 +38,7 @@ static int utf8_to_utf16le(const char *s, __le16 *cp, unsigned len)
uchar = (c & 0x1f) << 6;
c = (u8) *s++;
- if ((c & 0xc0) != 0xc0)
+ if ((c & 0xc0) != 0x80)
goto fail;
c &= 0x3f;
uchar |= c;
@@ -49,13 +49,13 @@ static int utf8_to_utf16le(const char *s, __le16 *cp, unsigned len)
uchar = (c & 0x0f) << 12;
c = (u8) *s++;
- if ((c & 0xc0) != 0xc0)
+ if ((c & 0xc0) != 0x80)
goto fail;
c &= 0x3f;
uchar |= c << 6;
c = (u8) *s++;
- if ((c & 0xc0) != 0xc0)
+ if ((c & 0xc0) != 0x80)
goto fail;
c &= 0x3f;
uchar |= c;
diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c
index cd07ea3f0c63..15438469f21a 100644
--- a/drivers/usb/host/isp1760-hcd.c
+++ b/drivers/usb/host/isp1760-hcd.c
@@ -1658,6 +1658,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
u32 reg_base, or_reg, skip_reg;
unsigned long flags;
struct ptd ptd;
+ packet_enqueue *pe;
switch (usb_pipetype(urb->pipe)) {
case PIPE_ISOCHRONOUS:
@@ -1669,6 +1670,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
reg_base = INT_REGS_OFFSET;
or_reg = HC_INT_IRQ_MASK_OR_REG;
skip_reg = HC_INT_PTD_SKIPMAP_REG;
+ pe = enqueue_an_INT_packet;
break;
default:
@@ -1676,6 +1678,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
reg_base = ATL_REGS_OFFSET;
or_reg = HC_ATL_IRQ_MASK_OR_REG;
skip_reg = HC_ATL_PTD_SKIPMAP_REG;
+ pe = enqueue_an_ATL_packet;
break;
}
@@ -1687,6 +1690,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
u32 skip_map;
u32 or_map;
struct isp1760_qtd *qtd;
+ struct isp1760_qh *qh = ints->qh;
skip_map = isp1760_readl(hcd->regs + skip_reg);
skip_map |= 1 << i;
@@ -1699,8 +1703,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
priv_write_copy(priv, (u32 *)&ptd, hcd->regs + reg_base
+ i * sizeof(ptd), sizeof(ptd));
qtd = ints->qtd;
-
- clean_up_qtdlist(qtd);
+ qtd = clean_up_qtdlist(qtd);
free_mem(priv, ints->payload);
@@ -1711,7 +1714,24 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
ints->payload = 0;
isp1760_urb_done(priv, urb, status);
+ if (qtd)
+ pe(hcd, qh, qtd);
break;
+
+ } else if (ints->qtd) {
+ struct isp1760_qtd *qtd, *prev_qtd = ints->qtd;
+
+ for (qtd = ints->qtd->hw_next; qtd; qtd = qtd->hw_next) {
+ if (qtd->urb == urb) {
+ prev_qtd->hw_next = clean_up_qtdlist(qtd);
+ isp1760_urb_done(priv, urb, status);
+ break;
+ }
+ prev_qtd = qtd;
+ }
+ /* we found the urb before the end of the list */
+ if (qtd)
+ break;
}
ints++;
}
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 8100f1d25904..d9fcdaedf389 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -56,6 +56,7 @@ static __u16 vendor = FTDI_VID;
static __u16 product;
struct ftdi_private {
+ struct kref kref;
ftdi_chip_type_t chip_type;
/* type of device, either SIO or FT8U232AM */
int baud_base; /* baud base clock for divisor setting */
@@ -669,6 +670,8 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(ADI_VID, ADI_GNICE_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
+ { USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
+ .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ }, /* Optional parameter entry */
{ } /* Terminating entry */
};
@@ -1352,6 +1355,7 @@ static int ftdi_sio_port_probe(struct usb_serial_port *port)
return -ENOMEM;
}
+ kref_init(&priv->kref);
spin_lock_init(&priv->rx_lock);
spin_lock_init(&priv->tx_lock);
init_waitqueue_head(&priv->delta_msr_wait);
@@ -1468,6 +1472,13 @@ static void ftdi_shutdown(struct usb_serial *serial)
dbg("%s", __func__);
}
+static void ftdi_sio_priv_release(struct kref *k)
+{
+ struct ftdi_private *priv = container_of(k, struct ftdi_private, kref);
+
+ kfree(priv);
+}
+
static int ftdi_sio_port_remove(struct usb_serial_port *port)
{
struct ftdi_private *priv = usb_get_serial_port_data(port);
@@ -1476,14 +1487,7 @@ static int ftdi_sio_port_remove(struct usb_serial_port *port)
remove_sysfs_attrs(port);
- /* all open ports are closed at this point
- * (by usbserial.c:__serial_close, which calls ftdi_close)
- */
-
- if (priv) {
- usb_set_serial_port_data(port, NULL);
- kfree(priv);
- }
+ kref_put(&priv->kref, ftdi_sio_priv_release);
return 0;
}
@@ -1547,7 +1551,8 @@ static int ftdi_open(struct tty_struct *tty,
dev_err(&port->dev,
"%s - failed submitting read urb, error %d\n",
__func__, result);
-
+ else
+ kref_get(&priv->kref);
return result;
} /* ftdi_open */
@@ -1589,11 +1594,11 @@ static void ftdi_close(struct tty_struct *tty,
mutex_unlock(&port->serial->disc_mutex);
/* cancel any scheduled reading */
- cancel_delayed_work(&priv->rx_work);
- flush_scheduled_work();
+ cancel_delayed_work_sync(&priv->rx_work);
/* shutdown our bulk read */
usb_kill_urb(port->read_urb);
+ kref_put(&priv->kref, ftdi_sio_priv_release);
} /* ftdi_close */
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index c09f658a448b..12330fa1c095 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -920,6 +920,12 @@
#define JETI_SPC1201_PID 0x04b2
/*
+ * Marvell SheevaPlug
+ */
+#define MARVELL_VID 0x9e88
+#define MARVELL_SHEEVAPLUG_PID 0x9e8f
+
+/*
* BmRequestType: 1100 0000b
* bRequest: FTDI_E2_READ
* wValue: 0
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 0a566eea49c0..f331e2bde88a 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -974,6 +974,7 @@ int usb_serial_probe(struct usb_interface *interface,
if (retval > 0) {
/* quietly accept this device, but don't bind to a
serial port as it's about to disappear */
+ serial->num_ports = 0;
goto exit;
}
}
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index fa65a3b08601..4b8b69045fe6 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -160,8 +160,9 @@ UNUSUAL_DEV( 0x0420, 0x0001, 0x0100, 0x0100,
US_SC_DEVICE, US_PR_DEVICE, NULL,
US_FL_IGNORE_RESIDUE ),
-/* Reported by Andrew Nayenko <relan@bk.ru> */
-UNUSUAL_DEV( 0x0421, 0x0019, 0x0592, 0x0592,
+/* Reported by Andrew Nayenko <relan@bk.ru>
+ * Updated for new firmware by Phillip Potter <phillipinda@hotmail.com> */
+UNUSUAL_DEV( 0x0421, 0x0019, 0x0592, 0x0610,
"Nokia",
"Nokia 6288",
US_SC_DEVICE, US_PR_DEVICE, NULL,
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 7826bdce4bbe..0048f1185a60 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -1128,13 +1128,6 @@ config FB_INTEL
830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM/965G/965GM chipsets.
Say Y if you have and plan to use such a board.
- If you say Y here and want DDC/I2C support you must first say Y to
- "I2C support" and "I2C bit-banging support" in the character devices
- section.
-
- If you say M here then "I2C support" and "I2C bit-banging support"
- can be build either as modules or built-in.
-
To compile this driver as a module, choose M here: the
module will be called intelfb.
@@ -1207,11 +1200,10 @@ config FB_MATROX_G
pixel and 32 bpp packed pixel. You can also use font widths
different from 8.
- If you need support for G400 secondary head, you must first say Y to
- "I2C support" in the character devices section, and then to
- "Matrox I2C support" and "G400 second head support" here in the
- framebuffer section. G450/G550 secondary head and digital output
- are supported without additional modules.
+ If you need support for G400 secondary head, you must say Y to
+ "Matrox I2C support" and "G400 second head support" right below.
+ G450/G550 secondary head and digital output are supported without
+ additional modules.
The driver starts in monitor mode. You must use the matroxset tool
(available at <ftp://platan.vc.cvut.cz/pub/linux/matrox-latest/>) to
@@ -1310,13 +1302,6 @@ config FB_RADEON
a framebuffer device. There are both PCI and AGP versions. You
don't need to choose this to run the Radeon in plain VGA mode.
- If you say Y here and want DDC/I2C support you must first say Y to
- "I2C support" and "I2C bit-banging support" in the character devices
- section.
-
- If you say M here then "I2C support" and "I2C bit-banging support"
- can be build either as modules or built-in.
-
There is a product page at
http://apps.ati.com/ATIcompare/
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 0dbd6c68d76b..d8d0be5151e3 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -56,7 +56,6 @@ obj-$(CONFIG_FB_CT65550) += chipsfb.o
obj-$(CONFIG_FB_IMSTT) += imsttfb.o
obj-$(CONFIG_FB_FM2) += fm2fb.o
obj-$(CONFIG_FB_VT8623) += vt8623fb.o
-obj-$(CONFIG_FB_CYBLA) += cyblafb.o
obj-$(CONFIG_FB_TRIDENT) += tridentfb.o
obj-$(CONFIG_FB_LE80578) += vermilion/
obj-$(CONFIG_FB_S3) += s3fb.o
diff --git a/drivers/video/amba-clcd.c b/drivers/video/amba-clcd.c
index 61050ab14128..d1f80bac54f0 100644
--- a/drivers/video/amba-clcd.c
+++ b/drivers/video/amba-clcd.c
@@ -437,7 +437,7 @@ static int clcdfb_register(struct clcd_fb *fb)
return ret;
}
-static int clcdfb_probe(struct amba_device *dev, void *id)
+static int clcdfb_probe(struct amba_device *dev, struct amba_id *id)
{
struct clcd_board *board = dev->dev.platform_data;
struct clcd_fb *fb;
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 9a577a800db5..2fb63f6ea2f1 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -29,14 +29,8 @@
/* configurable parameters */
#define ATMEL_LCDC_CVAL_DEFAULT 0xc8
-#define ATMEL_LCDC_DMA_BURST_LEN 8
-
-#if defined(CONFIG_ARCH_AT91SAM9263) || defined(CONFIG_ARCH_AT91CAP9) || \
- defined(CONFIG_ARCH_AT91SAM9RL)
-#define ATMEL_LCDC_FIFO_SIZE 2048
-#else
-#define ATMEL_LCDC_FIFO_SIZE 512
-#endif
+#define ATMEL_LCDC_DMA_BURST_LEN 8 /* words */
+#define ATMEL_LCDC_FIFO_SIZE 512 /* words */
#if defined(CONFIG_ARCH_AT91)
#define ATMEL_LCDFB_FBINFO_DEFAULT (FBINFO_DEFAULT \
diff --git a/drivers/video/cfbfillrect.c b/drivers/video/cfbfillrect.c
index 64b35766b2a2..ba9f58b2a5e8 100644
--- a/drivers/video/cfbfillrect.c
+++ b/drivers/video/cfbfillrect.c
@@ -9,10 +9,6 @@
*
* NOTES:
*
- * The code for depths like 24 that don't have integer number of pixels per
- * long is broken and needs to be fixed. For now I turned these types of
- * mode off.
- *
* Also need to add code to deal with cards endians that are different than
* the native cpu endians. I also need to deal with MSB position in the word.
*
@@ -139,7 +135,7 @@ bitfill_unaligned(struct fb_info *p, unsigned long __iomem *dst, int dst_idx,
// Trailing bits
if (last)
- FB_WRITEL(comp(pat, FB_READL(dst), first), dst);
+ FB_WRITEL(comp(pat, FB_READL(dst), last), dst);
}
}
@@ -281,7 +277,7 @@ bitfill_unaligned_rev(struct fb_info *p, unsigned long __iomem *dst,
void cfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect)
{
- unsigned long pat, fg;
+ unsigned long pat, pat2, fg;
unsigned long width = rect->width, height = rect->height;
int bits = BITS_PER_LONG, bytes = bits >> 3;
u32 bpp = p->var.bits_per_pixel;
@@ -297,7 +293,7 @@ void cfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect)
else
fg = rect->color;
- pat = pixel_to_pat( bpp, fg);
+ pat = pixel_to_pat(bpp, fg);
dst = (unsigned long __iomem *)((unsigned long)p->screen_base & ~(bytes-1));
dst_idx = ((unsigned long)p->screen_base & (bytes - 1))*8;
@@ -333,17 +329,16 @@ void cfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect)
dst_idx += p->fix.line_length*8;
}
} else {
- int right;
- int r;
- int rot = (left-dst_idx) % bpp;
+ int right, r;
void (*fill_op)(struct fb_info *p, unsigned long __iomem *dst,
int dst_idx, unsigned long pat, int left,
int right, unsigned n, int bits) = NULL;
-
- /* rotate pattern to correct start position */
- pat = pat << rot | pat >> (bpp-rot);
-
- right = bpp-left;
+#ifdef __LITTLE_ENDIAN
+ right = left;
+ left = bpp - right;
+#else
+ right = bpp - left;
+#endif
switch (rect->rop) {
case ROP_XOR:
fill_op = bitfill_unaligned_rev;
@@ -352,17 +347,18 @@ void cfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect)
fill_op = bitfill_unaligned;
break;
default:
- printk( KERN_ERR "cfb_fillrect(): unknown rop, defaulting to ROP_COPY\n");
+ printk(KERN_ERR "cfb_fillrect(): unknown rop, defaulting to ROP_COPY\n");
fill_op = bitfill_unaligned;
break;
}
while (height--) {
- dst += dst_idx >> (ffs(bits) - 1);
+ dst += dst_idx / bits;
dst_idx &= (bits - 1);
- fill_op(p, dst, dst_idx, pat, left, right,
+ r = dst_idx % bpp;
+ /* rotate pattern to the correct start position */
+ pat2 = le_long_to_cpu(rolx(cpu_to_le_long(pat), r, bpp));
+ fill_op(p, dst, dst_idx, pat2, left, right,
width*bpp, bits);
- r = (p->fix.line_length*8) % bpp;
- pat = pat << (bpp-r) | pat >> r;
dst_idx += p->fix.line_length*8;
}
}
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index d012edda6d11..38e86b84dce0 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -1282,7 +1282,7 @@ static int vgacon_font_get(struct vc_data *c, struct console_font *font)
font->charcount = vga_512_chars ? 512 : 256;
if (!font->data)
return 0;
- return vgacon_do_font_op(&state, font->data, 0, 0);
+ return vgacon_do_font_op(&state, font->data, 0, vga_512_chars);
}
#else
diff --git a/drivers/video/fb_draw.h b/drivers/video/fb_draw.h
index 1db622192bde..04c01faaf772 100644
--- a/drivers/video/fb_draw.h
+++ b/drivers/video/fb_draw.h
@@ -33,11 +33,11 @@ pixel_to_pat( u32 bpp, u32 pixel)
case 8:
return 0x0101010101010101ul*pixel;
case 12:
- return 0x0001001001001001ul*pixel;
+ return 0x1001001001001001ul*pixel;
case 16:
return 0x0001000100010001ul*pixel;
case 24:
- return 0x0000000001000001ul*pixel;
+ return 0x0001000001000001ul*pixel;
case 32:
return 0x0000000100000001ul*pixel;
default:
@@ -58,11 +58,11 @@ pixel_to_pat( u32 bpp, u32 pixel)
case 8:
return 0x01010101ul*pixel;
case 12:
- return 0x00001001ul*pixel;
+ return 0x01001001ul*pixel;
case 16:
return 0x00010001ul*pixel;
case 24:
- return 0x00000001ul*pixel;
+ return 0x01000001ul*pixel;
case 32:
return 0x00000001ul*pixel;
default:
@@ -167,4 +167,17 @@ static inline unsigned long fb_rev_pixels_in_long(unsigned long val,
#endif /* CONFIG_FB_CFB_REV_PIXELS_IN_BYTE */
+#define cpu_to_le_long _cpu_to_le_long(BITS_PER_LONG)
+#define _cpu_to_le_long(x) __cpu_to_le_long(x)
+#define __cpu_to_le_long(x) cpu_to_le##x
+
+#define le_long_to_cpu _le_long_to_cpu(BITS_PER_LONG)
+#define _le_long_to_cpu(x) __le_long_to_cpu(x)
+#define __le_long_to_cpu(x) le##x##_to_cpu
+
+static inline unsigned long rolx(unsigned long word, unsigned int shift, unsigned int x)
+{
+ return (word << shift) | (word >> (x - shift));
+}
+
#endif /* FB_DRAW_H */
diff --git a/drivers/video/gbefb.c b/drivers/video/gbefb.c
index fe5b519860b1..1a83709f9611 100644
--- a/drivers/video/gbefb.c
+++ b/drivers/video/gbefb.c
@@ -75,7 +75,7 @@ struct gbefb_par {
static unsigned int gbe_mem_size = CONFIG_FB_GBE_MEM * 1024*1024;
static void *gbe_mem;
static dma_addr_t gbe_dma_addr;
-unsigned long gbe_mem_phys;
+static unsigned long gbe_mem_phys;
static struct {
uint16_t *cpu;
@@ -185,8 +185,8 @@ static struct fb_videomode default_mode_LCD __initdata = {
.vmode = FB_VMODE_NONINTERLACED,
};
-struct fb_videomode *default_mode __initdata = &default_mode_CRT;
-struct fb_var_screeninfo *default_var __initdata = &default_var_CRT;
+static struct fb_videomode *default_mode __initdata = &default_mode_CRT;
+static struct fb_var_screeninfo *default_var __initdata = &default_var_CRT;
static int flat_panel_enabled = 0;
@@ -205,7 +205,7 @@ static void gbe_reset(void)
* console.
*/
-void gbe_turn_off(void)
+static void gbe_turn_off(void)
{
int i;
unsigned int val, x, y, vpixen_off;
@@ -1097,7 +1097,7 @@ static void gbefb_create_sysfs(struct device *dev)
* Initialization
*/
-int __init gbefb_setup(char *options)
+static int __init gbefb_setup(char *options)
{
char *this_opt;
@@ -1283,7 +1283,7 @@ static struct platform_driver gbefb_driver = {
static struct platform_device *gbefb_device;
-int __init gbefb_init(void)
+static int __init gbefb_init(void)
{
int ret = platform_driver_register(&gbefb_driver);
if (!ret) {
@@ -1301,7 +1301,7 @@ int __init gbefb_init(void)
return ret;
}
-void __exit gbefb_exit(void)
+static void __exit gbefb_exit(void)
{
platform_device_unregister(gbefb_device);
platform_driver_unregister(&gbefb_driver);
diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c
index 21b3692092f2..9894de1c9b9f 100644
--- a/drivers/video/mx3fb.c
+++ b/drivers/video/mx3fb.c
@@ -1152,11 +1152,11 @@ static struct fb_ops mx3fb_ops = {
*/
static int mx3fb_suspend(struct platform_device *pdev, pm_message_t state)
{
- struct mx3fb_data *drv_data = platform_get_drvdata(pdev);
- struct mx3fb_info *mx3_fbi = drv_data->fbi->par;
+ struct mx3fb_data *mx3fb = platform_get_drvdata(pdev);
+ struct mx3fb_info *mx3_fbi = mx3fb->fbi->par;
acquire_console_sem();
- fb_set_suspend(drv_data->fbi, 1);
+ fb_set_suspend(mx3fb->fbi, 1);
release_console_sem();
if (mx3_fbi->blank == FB_BLANK_UNBLANK) {
@@ -1172,16 +1172,16 @@ static int mx3fb_suspend(struct platform_device *pdev, pm_message_t state)
*/
static int mx3fb_resume(struct platform_device *pdev)
{
- struct mx3fb_data *drv_data = platform_get_drvdata(pdev);
- struct mx3fb_info *mx3_fbi = drv_data->fbi->par;
+ struct mx3fb_data *mx3fb = platform_get_drvdata(pdev);
+ struct mx3fb_info *mx3_fbi = mx3fb->fbi->par;
if (mx3_fbi->blank == FB_BLANK_UNBLANK) {
sdc_enable_channel(mx3_fbi);
- sdc_set_brightness(mx3fb, drv_data->backlight_level);
+ sdc_set_brightness(mx3fb, mx3fb->backlight_level);
}
acquire_console_sem();
- fb_set_suspend(drv_data->fbi, 0);
+ fb_set_suspend(mx3fb->fbi, 0);
release_console_sem();
return 0;
diff --git a/drivers/video/omap/dispc.c b/drivers/video/omap/dispc.c
index dfb72f5e4c96..148cbcc39602 100644
--- a/drivers/video/omap/dispc.c
+++ b/drivers/video/omap/dispc.c
@@ -880,20 +880,22 @@ static irqreturn_t omap_dispc_irq_handler(int irq, void *dev)
static int get_dss_clocks(void)
{
- if (IS_ERR((dispc.dss_ick = clk_get(dispc.fbdev->dev, "dss_ick")))) {
- dev_err(dispc.fbdev->dev, "can't get dss_ick\n");
+ dispc.dss_ick = clk_get(dispc.fbdev->dev, "ick");
+ if (IS_ERR(dispc.dss_ick)) {
+ dev_err(dispc.fbdev->dev, "can't get ick\n");
return PTR_ERR(dispc.dss_ick);
}
- if (IS_ERR((dispc.dss1_fck = clk_get(dispc.fbdev->dev, "dss1_fck")))) {
+ dispc.dss1_fck = clk_get(dispc.fbdev->dev, "dss1_fck");
+ if (IS_ERR(dispc.dss1_fck)) {
dev_err(dispc.fbdev->dev, "can't get dss1_fck\n");
clk_put(dispc.dss_ick);
return PTR_ERR(dispc.dss1_fck);
}
- if (IS_ERR((dispc.dss_54m_fck =
- clk_get(dispc.fbdev->dev, "dss_54m_fck")))) {
- dev_err(dispc.fbdev->dev, "can't get dss_54m_fck\n");
+ dispc.dss_54m_fck = clk_get(dispc.fbdev->dev, "tv_fck");
+ if (IS_ERR(dispc.dss_54m_fck)) {
+ dev_err(dispc.fbdev->dev, "can't get tv_fck\n");
clk_put(dispc.dss_ick);
clk_put(dispc.dss1_fck);
return PTR_ERR(dispc.dss_54m_fck);
diff --git a/drivers/video/omap/rfbi.c b/drivers/video/omap/rfbi.c
index a13c8dcad2a8..9332d6ca6456 100644
--- a/drivers/video/omap/rfbi.c
+++ b/drivers/video/omap/rfbi.c
@@ -83,12 +83,14 @@ static inline u32 rfbi_read_reg(int idx)
static int rfbi_get_clocks(void)
{
- if (IS_ERR((rfbi.dss_ick = clk_get(rfbi.fbdev->dev, "dss_ick")))) {
- dev_err(rfbi.fbdev->dev, "can't get dss_ick\n");
+ rfbi.dss_ick = clk_get(rfbi.fbdev->dev, "ick");
+ if (IS_ERR(rfbi.dss_ick)) {
+ dev_err(rfbi.fbdev->dev, "can't get ick\n");
return PTR_ERR(rfbi.dss_ick);
}
- if (IS_ERR((rfbi.dss1_fck = clk_get(rfbi.fbdev->dev, "dss1_fck")))) {
+ rfbi.dss1_fck = clk_get(rfbi.fbdev->dev, "dss1_fck");
+ if (IS_ERR(rfbi.dss1_fck)) {
dev_err(rfbi.fbdev->dev, "can't get dss1_fck\n");
clk_put(rfbi.dss_ick);
return PTR_ERR(rfbi.dss1_fck);
diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
index 5e9c6302433b..d3a568e6b169 100644
--- a/drivers/video/s3c-fb.c
+++ b/drivers/video/s3c-fb.c
@@ -947,7 +947,8 @@ static int __devexit s3c_fb_remove(struct platform_device *pdev)
int win;
for (win = 0; win <= S3C_FB_MAX_WIN; win++)
- s3c_fb_release_win(sfb, sfb->windows[win]);
+ if (sfb->windows[win])
+ s3c_fb_release_win(sfb, sfb->windows[win]);
iounmap(sfb->regs);
@@ -985,11 +986,20 @@ static int s3c_fb_suspend(struct platform_device *pdev, pm_message_t state)
static int s3c_fb_resume(struct platform_device *pdev)
{
struct s3c_fb *sfb = platform_get_drvdata(pdev);
+ struct s3c_fb_platdata *pd = sfb->pdata;
struct s3c_fb_win *win;
int win_no;
clk_enable(sfb->bus_clk);
+ /* setup registers */
+ writel(pd->vidcon1, sfb->regs + VIDCON1);
+
+ /* zero all windows before we do anything */
+ for (win_no = 0; win_no < S3C_FB_MAX_WIN; win_no++)
+ s3c_fb_clear_win(sfb, win_no);
+
+ /* restore framebuffers */
for (win_no = 0; win_no < S3C_FB_MAX_WIN; win_no++) {
win = sfb->windows[win_no];
if (!win)
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 92ea0ab44ce2..f10d2fbeda06 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -47,6 +47,7 @@ struct sh_mobile_lcdc_priv {
#endif
unsigned long lddckr;
struct sh_mobile_lcdc_chan ch[2];
+ int started;
};
/* shared registers */
@@ -451,6 +452,7 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
/* start the lcdc */
sh_mobile_lcdc_start_stop(priv, 1);
+ priv->started = 1;
/* tell the board code to enable the panel */
for (k = 0; k < ARRAY_SIZE(priv->ch); k++) {
@@ -493,7 +495,10 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv)
}
/* stop the lcdc */
- sh_mobile_lcdc_start_stop(priv, 0);
+ if (priv->started) {
+ sh_mobile_lcdc_start_stop(priv, 0);
+ priv->started = 0;
+ }
/* stop clocks */
for (k = 0; k < ARRAY_SIZE(priv->ch); k++)
diff --git a/drivers/video/sysfillrect.c b/drivers/video/sysfillrect.c
index f94d6b6e29ee..33ee3d34f9d2 100644
--- a/drivers/video/sysfillrect.c
+++ b/drivers/video/sysfillrect.c
@@ -124,7 +124,7 @@ bitfill_unaligned(struct fb_info *p, unsigned long *dst, int dst_idx,
/* Trailing bits */
if (last)
- *dst = comp(pat, *dst, first);
+ *dst = comp(pat, *dst, last);
}
}
@@ -242,7 +242,7 @@ bitfill_unaligned_rev(struct fb_info *p, unsigned long *dst, int dst_idx,
void sys_fillrect(struct fb_info *p, const struct fb_fillrect *rect)
{
- unsigned long pat, fg;
+ unsigned long pat, pat2, fg;
unsigned long width = rect->width, height = rect->height;
int bits = BITS_PER_LONG, bytes = bits >> 3;
u32 bpp = p->var.bits_per_pixel;
@@ -292,17 +292,16 @@ void sys_fillrect(struct fb_info *p, const struct fb_fillrect *rect)
dst_idx += p->fix.line_length*8;
}
} else {
- int right;
- int r;
- int rot = (left-dst_idx) % bpp;
+ int right, r;
void (*fill_op)(struct fb_info *p, unsigned long *dst,
int dst_idx, unsigned long pat, int left,
int right, unsigned n, int bits) = NULL;
-
- /* rotate pattern to correct start position */
- pat = pat << rot | pat >> (bpp-rot);
-
- right = bpp-left;
+#ifdef __LITTLE_ENDIAN
+ right = left;
+ left = bpp - right;
+#else
+ right = bpp - left;
+#endif
switch (rect->rop) {
case ROP_XOR:
fill_op = bitfill_unaligned_rev;
@@ -311,18 +310,19 @@ void sys_fillrect(struct fb_info *p, const struct fb_fillrect *rect)
fill_op = bitfill_unaligned;
break;
default:
- printk(KERN_ERR "cfb_fillrect(): unknown rop, "
+ printk(KERN_ERR "sys_fillrect(): unknown rop, "
"defaulting to ROP_COPY\n");
fill_op = bitfill_unaligned;
break;
}
while (height--) {
- dst += dst_idx >> (ffs(bits) - 1);
+ dst += dst_idx / bits;
dst_idx &= (bits - 1);
- fill_op(p, dst, dst_idx, pat, left, right,
+ r = dst_idx % bpp;
+ /* rotate pattern to the correct start position */
+ pat2 = le_long_to_cpu(rolx(cpu_to_le_long(pat), r, bpp));
+ fill_op(p, dst, dst_idx, pat2, left, right,
width*bpp, bits);
- r = (p->fix.line_length*8) % bpp;
- pat = pat << (bpp-r) | pat >> r;
dst_idx += p->fix.line_length*8;
}
}
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index e327b84820d2..a0fec298216e 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -2103,7 +2103,7 @@ static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
static int __devinit via_pci_probe(void)
{
- unsigned int default_xres, default_yres;
+ unsigned long default_xres, default_yres;
char *tmpc, *tmpm;
char *tmpc_sec, *tmpm_sec;
int vmode_index;
@@ -2196,8 +2196,8 @@ static int __devinit via_pci_probe(void)
viafb_FB_MM = viaparinfo->fbmem_virt;
tmpm = viafb_mode;
tmpc = strsep(&tmpm, "x");
- strict_strtoul(tmpc, 0, (unsigned long *)&default_xres);
- strict_strtoul(tmpm, 0, (unsigned long *)&default_yres);
+ strict_strtoul(tmpc, 0, &default_xres);
+ strict_strtoul(tmpm, 0, &default_yres);
vmode_index = viafb_get_mode_index(default_xres, default_yres, 0);
DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index);
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index efa4b363ce72..f5bbd9e83416 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -513,7 +513,8 @@ static ssize_t show_target(struct sys_device *dev, struct sysdev_attribute *attr
char *buf)
{
return sprintf(buf, "%llu\n",
- (u64)balloon_stats.target_pages << PAGE_SHIFT);
+ (unsigned long long)balloon_stats.target_pages
+ << PAGE_SHIFT);
}
static ssize_t store_target(struct sys_device *dev,