diff options
486 files changed, 4315 insertions, 4161 deletions
@@ -508,12 +508,8 @@ D: REINER SCT cyberJack pinpad/e-com USB chipcard reader driver S: Germany N: Adrian Bunk -E: bunk@stusta.de P: 1024D/4F12B400 B29C E71E FE19 6755 5C8A 84D4 99FC EA98 4F12 B400 D: misc kernel hacking and testing -S: Grasmeierstrasse 11 -S: 80805 Muenchen -S: Germany N: Ray Burr E: ryb@nightmare.com @@ -1124,6 +1120,9 @@ S: 1150 Ringwood Court S: San Jose, California 95131 S: USA +N: Adam Fritzler +E: mid@zigamorph.net + N: Fernando Fuganti E: fuganti@conectiva.com.br E: fuganti@netbank.com.br diff --git a/Documentation/00-INDEX b/Documentation/00-INDEX index c3014df066c4..40ac7759c3bb 100644 --- a/Documentation/00-INDEX +++ b/Documentation/00-INDEX @@ -154,7 +154,7 @@ firmware_class/ - request_firmware() hotplug interface info. floppy.txt - notes and driver options for the floppy disk driver. -fujitsu/ +frv/ - Fujitsu FR-V Linux documentation. gpio.txt - overview of GPIO (General Purpose Input/Output) access conventions. @@ -364,8 +364,6 @@ sharedsubtree.txt - a description of shared subtrees for namespaces. smart-config.txt - description of the Smart Config makefile feature. -smp.txt - - a few notes on symmetric multi-processing. sony-laptop.txt - Sony Notebook Control Driver (SNC) Readme. sonypi.txt diff --git a/Documentation/BUG-HUNTING b/Documentation/BUG-HUNTING index 35f5bd243336..6c816751b868 100644 --- a/Documentation/BUG-HUNTING +++ b/Documentation/BUG-HUNTING @@ -53,7 +53,7 @@ Finding it the old way [Sat Mar 2 10:32:33 PST 1996 KERNEL_BUG-HOWTO lm@sgi.com (Larry McVoy)] -This is how to track down a bug if you know nothing about kernel hacking. +This is how to track down a bug if you know nothing about kernel hacking. It's a brute force approach but it works pretty well. You need: @@ -66,12 +66,12 @@ You will then do: . Rebuild a revision that you believe works, install, and verify that. . Do a binary search over the kernels to figure out which one - introduced the bug. I.e., suppose 1.3.28 didn't have the bug, but + introduced the bug. I.e., suppose 1.3.28 didn't have the bug, but you know that 1.3.69 does. Pick a kernel in the middle and build that, like 1.3.50. Build & test; if it works, pick the mid point between .50 and .69, else the mid point between .28 and .50. . You'll narrow it down to the kernel that introduced the bug. You - can probably do better than this but it gets tricky. + can probably do better than this but it gets tricky. . Narrow it down to a subdirectory @@ -81,27 +81,27 @@ You will then do: directories: Copy the non-working directory next to the working directory - as "dir.63". + as "dir.63". One directory at time, try moving the working directory to - "dir.62" and mv dir.63 dir"time, try + "dir.62" and mv dir.63 dir"time, try mv dir dir.62 mv dir.63 dir find dir -name '*.[oa]' -print | xargs rm -f And then rebuild and retest. Assuming that all related - changes were contained in the sub directory, this should - isolate the change to a directory. + changes were contained in the sub directory, this should + isolate the change to a directory. Problems: changes in header files may have occurred; I've - found in my case that they were self explanatory - you may + found in my case that they were self explanatory - you may or may not want to give up when that happens. . Narrow it down to a file - You can apply the same technique to each file in the directory, - hoping that the changes in that file are self contained. - + hoping that the changes in that file are self contained. + . Narrow it down to a routine - You can take the old file and the new file and manually create @@ -130,7 +130,7 @@ You will then do: that makes the difference. Finally, you take all the info that you have, kernel revisions, bug -description, the extent to which you have narrowed it down, and pass +description, the extent to which you have narrowed it down, and pass that off to whomever you believe is the maintainer of that section. A post to linux.dev.kernel isn't such a bad idea if you've done some work to narrow it down. diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches index 681e2b36195c..08a1ed1cb5d8 100644 --- a/Documentation/SubmittingPatches +++ b/Documentation/SubmittingPatches @@ -220,20 +220,8 @@ decreasing the likelihood of your MIME-attached change being accepted. Exception: If your mailer is mangling patches then someone may ask you to re-send them using MIME. - -WARNING: Some mailers like Mozilla send your messages with ----- message header ---- -Content-Type: text/plain; charset=us-ascii; format=flowed ----- message header ---- -The problem is that "format=flowed" makes some of the mailers -on receiving side to replace TABs with spaces and do similar -changes. Thus the patches from you can look corrupted. - -To fix this just make your mozilla defaults/pref/mailnews.js file to look like: -pref("mailnews.send_plaintext_flowed", false); // RFC 2646======= -pref("mailnews.display.disable_format_flowed_support", true); - - +See Documentation/email-clients.txt for hints about configuring +your e-mail client so that it sends your patches untouched. 8) E-mail size. diff --git a/Documentation/arm/Sharp-LH/IOBarrier b/Documentation/arm/Sharp-LH/IOBarrier index c0d8853672dc..2e953e228f4d 100644 --- a/Documentation/arm/Sharp-LH/IOBarrier +++ b/Documentation/arm/Sharp-LH/IOBarrier @@ -32,7 +32,7 @@ BARRIER IO before the access to the SMC chip because the AEN latch only needs occurs after the SMC IO write cycle. The routines that implement this work-around make an additional concession which is to disable interrupts during the IO sequence. Other hardware devices -(the LogicPD CPLD) have registers in the same the physical memory +(the LogicPD CPLD) have registers in the same physical memory region as the SMC chip. An interrupt might allow an access to one of those registers while SMC IO is being performed. diff --git a/Documentation/debugging-modules.txt b/Documentation/debugging-modules.txt index 24029f65fc94..172ad4aec493 100644 --- a/Documentation/debugging-modules.txt +++ b/Documentation/debugging-modules.txt @@ -16,3 +16,7 @@ echo 'echo "$@" >> /tmp/modprobe.log' >> /tmp/modprobe echo 'exec /sbin/modprobe "$@"' >> /tmp/modprobe chmod a+x /tmp/modprobe echo /tmp/modprobe > /proc/sys/kernel/modprobe + +Note that the above applies only when the *kernel* is requesting +that the module be loaded -- it won't have any effect if that module +is being loaded explicitly using "modprobe" from userspace. diff --git a/Documentation/driver-model/platform.txt b/Documentation/driver-model/platform.txt index 2a97320ee17f..83009fdcbbc8 100644 --- a/Documentation/driver-model/platform.txt +++ b/Documentation/driver-model/platform.txt @@ -122,15 +122,15 @@ None the less, there are some APIs to support such legacy drivers. Avoid using these calls except with such hotplug-deficient drivers. struct platform_device *platform_device_alloc( - char *name, unsigned id); + const char *name, int id); You can use platform_device_alloc() to dynamically allocate a device, which you will then initialize with resources and platform_device_register(). A better solution is usually: struct platform_device *platform_device_register_simple( - char *name, unsigned id, - struct resource *res, unsigned nres); + const char *name, int id, + struct resource *res, unsigned int nres); You can use platform_device_register_simple() as a one-step call to allocate and register a device. diff --git a/Documentation/filesystems/configfs/configfs.txt b/Documentation/filesystems/configfs/configfs.txt index d1b98257d000..44c97e6accb2 100644 --- a/Documentation/filesystems/configfs/configfs.txt +++ b/Documentation/filesystems/configfs/configfs.txt @@ -377,7 +377,7 @@ more explicit to have a method whereby userspace sees this divergence. Rather than have a group where some items behave differently than others, configfs provides a method whereby one or many subgroups are automatically created inside the parent at its creation. Thus, -mkdir("parent) results in "parent", "parent/subgroup1", up through +mkdir("parent") results in "parent", "parent/subgroup1", up through "parent/subgroupN". Items of type 1 can now be created in "parent/subgroup1", and items of type N can be created in "parent/subgroupN". diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index dac45c92d872..0f33c77bc14b 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -1,6 +1,6 @@ Changes since 2.5.0: ---- +--- [recommended] New helpers: sb_bread(), sb_getblk(), sb_find_get_block(), set_bh(), @@ -10,7 +10,7 @@ Use them. (sb_find_get_block() replaces 2.4's get_hash_table()) ---- +--- [recommended] New methods: ->alloc_inode() and ->destroy_inode(). @@ -28,7 +28,7 @@ Declare Use FOO_I(inode) instead of &inode->u.foo_inode_i; -Add foo_alloc_inode() and foo_destory_inode() - the former should allocate +Add foo_alloc_inode() and foo_destroy_inode() - the former should allocate foo_inode_info and return the address of ->vfs_inode, the latter should free FOO_I(inode) (see in-tree filesystems for examples). diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index 194c8f351320..0b1b0c008613 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -216,6 +216,7 @@ Table 1-3: Contents of the stat files (as of 2.6.22-rc3) priority priority level nice nice level num_threads number of threads + it_real_value (obsolete, always 0) start_time time the process started after system boot vsize virtual memory size rss resident set memory size diff --git a/Documentation/filesystems/ramfs-rootfs-initramfs.txt b/Documentation/filesystems/ramfs-rootfs-initramfs.txt index 339c6a4f220e..7be232b44ee4 100644 --- a/Documentation/filesystems/ramfs-rootfs-initramfs.txt +++ b/Documentation/filesystems/ramfs-rootfs-initramfs.txt @@ -118,7 +118,7 @@ All this differs from the old initrd in several ways: with the new root (cd /newmount; mount --move . /; chroot .), attach stdin/stdout/stderr to the new /dev/console, and exec the new init. - Since this is a remarkably persnickity process (and involves deleting + Since this is a remarkably persnickety process (and involves deleting commands before you can run them), the klibc package introduced a helper program (utils/run_init.c) to do all this for you. Most other packages (such as busybox) have named this command "switch_root". diff --git a/Documentation/filesystems/relay.txt b/Documentation/filesystems/relay.txt index 18d23f9a18c7..094f2d2f38b1 100644 --- a/Documentation/filesystems/relay.txt +++ b/Documentation/filesystems/relay.txt @@ -140,7 +140,7 @@ close() decrements the channel buffer's refcount. When the refcount In order for a user application to make use of relay files, the host filesystem must be mounted. For example, - mount -t debugfs debugfs /debug + mount -t debugfs debugfs /sys/kernel/debug NOTE: the host filesystem doesn't need to be mounted for kernel clients to create or use channels - it only needs to be diff --git a/Documentation/fujitsu/frv/README.txt b/Documentation/frv/README.txt index a984faa968e8..a984faa968e8 100644 --- a/Documentation/fujitsu/frv/README.txt +++ b/Documentation/frv/README.txt diff --git a/Documentation/fujitsu/frv/atomic-ops.txt b/Documentation/frv/atomic-ops.txt index 96638e9b9fe0..96638e9b9fe0 100644 --- a/Documentation/fujitsu/frv/atomic-ops.txt +++ b/Documentation/frv/atomic-ops.txt diff --git a/Documentation/fujitsu/frv/booting.txt b/Documentation/frv/booting.txt index 4e229056ef22..ace200b7c214 100644 --- a/Documentation/fujitsu/frv/booting.txt +++ b/Documentation/frv/booting.txt @@ -177,5 +177,5 @@ separated by spaces: (*) vdc=... This option configures the MB93493 companion chip visual display - driver. Please see Documentation/fujitsu/mb93493/vdc.txt for more + driver. Please see Documentation/frv/mb93493/vdc.txt for more information. diff --git a/Documentation/fujitsu/frv/clock.txt b/Documentation/frv/clock.txt index c72d350e177a..c72d350e177a 100644 --- a/Documentation/fujitsu/frv/clock.txt +++ b/Documentation/frv/clock.txt diff --git a/Documentation/fujitsu/frv/configuring.txt b/Documentation/frv/configuring.txt index 36e76a2336fa..36e76a2336fa 100644 --- a/Documentation/fujitsu/frv/configuring.txt +++ b/Documentation/frv/configuring.txt diff --git a/Documentation/fujitsu/frv/features.txt b/Documentation/frv/features.txt index fa20c0e72833..fa20c0e72833 100644 --- a/Documentation/fujitsu/frv/features.txt +++ b/Documentation/frv/features.txt diff --git a/Documentation/fujitsu/frv/gdbinit b/Documentation/frv/gdbinit index 51517b6f307f..51517b6f307f 100644 --- a/Documentation/fujitsu/frv/gdbinit +++ b/Documentation/frv/gdbinit diff --git a/Documentation/fujitsu/frv/gdbstub.txt b/Documentation/frv/gdbstub.txt index b92bfd902a4e..b92bfd902a4e 100644 --- a/Documentation/fujitsu/frv/gdbstub.txt +++ b/Documentation/frv/gdbstub.txt diff --git a/Documentation/fujitsu/frv/kernel-ABI.txt b/Documentation/frv/kernel-ABI.txt index aaa1cec86f0b..aaa1cec86f0b 100644 --- a/Documentation/fujitsu/frv/kernel-ABI.txt +++ b/Documentation/frv/kernel-ABI.txt diff --git a/Documentation/fujitsu/frv/mmu-layout.txt b/Documentation/frv/mmu-layout.txt index db10250df6be..db10250df6be 100644 --- a/Documentation/fujitsu/frv/mmu-layout.txt +++ b/Documentation/frv/mmu-layout.txt diff --git a/Documentation/initrd.txt b/Documentation/initrd.txt index 74f68b35f7c1..1ba84f3584e3 100644 --- a/Documentation/initrd.txt +++ b/Documentation/initrd.txt @@ -85,7 +85,7 @@ involve special block devices or loopbacks; you merely create a directory on disk with the desired initrd content, cd to that directory, and run (as an example): -find . | cpio --quiet -c -o | gzip -9 -n > /boot/imagefile.img +find . | cpio --quiet -H newc -o | gzip -9 -n > /boot/imagefile.img Examining the contents of an existing image file is just as simple: diff --git a/Documentation/ja_JP/stable_kernel_rules.txt b/Documentation/ja_JP/stable_kernel_rules.txt new file mode 100644 index 000000000000..17d87519e468 --- /dev/null +++ b/Documentation/ja_JP/stable_kernel_rules.txt @@ -0,0 +1,79 @@ +NOTE: +This is Japanese translated version of "Documentation/stable_kernel_rules.txt". +This one is maintained by Tsugikazu Shibata <tshibata@ab.jp.nec.com> +and JF Project team <www.linux.or.jp/JF>. +If you find difference with original file or problem in translation, +please contact maintainer of this file or JF project. + +Please also note that purpose of this file is easier to read for non +English natives and do no intended to fork. So, if you have any +comment or update of this file, please try to update Original(English) +file at first. + +================================== +ããã¯ã +linux-2.6.24/Documentation/stable_kernel_rules.txt +ã®å訳ã§ãã + +翻訳å£ä½ï¼ JF ããã¸ã§ã¯ã < http://www.linux.or.jp/JF/ > +翻訳æ¥ï¼ 2007/12/30 +翻訳è
ï¼ Tsugikazu Shibata <tshibata at ab dot jp dot nec dot com> +æ ¡æ£è
ï¼ æ¦äºä¼¸å
ããã<takei at webmasters dot gr dot jp> + ããããã (Seiji Kaneko) <skaneko at a2 dot mbn dot or dot jp> + å°æ é
å
¸ãã (Masanori Kobayasi) <zap03216 at nifty dot ne dot jp> + éå£ãã (Kenji Noguchi) <tokyo246 at gmail dot com> + ç¥å®®ä¿¡å¤ªéãã <jin at libjingu dot jp> +================================== + +ãã£ã¨ç¥ãããã£ã Linux 2.6 -stable ãªãªã¼ã¹ã®å
¨ã¦ + +"-stable" ããªã¼ã«ã©ã®ãããªç¨®é¡ã®ããããåãå
¥ããããããã©ã®ãã㪠+ãã®ãåãå
¥ããããªãããã«ã¤ãã¦ã®è¦å- + + - æããã«æ£ããããã¹ãããã¦ãããã®ã§ãªããã°ãªããªãã + - æè(å¤æ´è¡ã®åå¾)ãå«ã㦠100 è¡ãã大ããã¦ã¯ãããªãã + - ãã ä¸åã®ãã¨ã ããä¿®æ£ãã¦ããã¹ãã + - çãæ©ã¾ãã¦ããæ¬ç©ã®ãã°ãä¿®æ£ããªããã°ãªããªãã("ããã¯ãã°ã§ + ãããããããªãã..." ã®ãããªãã®ã§ã¯ãªã) + - ãã«ãã¨ã©ã¼(CONFIG_BROKENã«ãªã£ã¦ãããã®ãé¤ã), oops, ãã³ã°ããã¼ + ã¿ç ´å£ãç¾å®ã®ã»ãã¥ãªãã£åé¡ããã®ä» "ãããããã¯ãã¡ã ã"ã¨ãã + ãããªãã®ãä¿®æ£ããªããã°ãªããªããçãè¨ãã°ãé大ãªåé¡ã + - ã©ã®ããã«ç«¶åç¶æ
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ãã¡ã®ã¬ãã¥ã¼ã®ããã« + -stable ãã¥ã¼ã«è¿½å ãããã + - ã»ãã¥ãªãã£ãããã¯ãã®ã¨ã¤ãªã¢ã¹ (stable@kernel.org) ã«éãããã¹ + ãã§ã¯ãªãã代ããã« security@kernel.org ã®ã¢ãã¬ã¹ã«éãããã + +ã¬ãã¥ã¼ãµã¤ã¯ã«- + + - -stable ã¡ã³ãããã¬ãã¥ã¼ãµã¤ã¯ã«ã決ããã¨ãããããã¯ã¬ãã¥ã¼å§ + å¡ä¼ã¨ããããå½±é¿ããé åã®ã¡ã³ãã(æä¾è
ããã®é åã®ã¡ã³ããã§ç¡ + ãéã)ã«éãããlinux-kernel ã¡ã¼ãªã³ã°ãªã¹ãã«CCãããã + - ã¬ãã¥ã¼å§å¡ä¼ã¯ 48æéã®éã« ACK ã NAK ãåºãã + - ããããããå§å¡ä¼ã®ã¡ã³ãããå´ä¸ããããã¡ã³ããéãã¡ã³ããæ°ä» + ããªãã£ãåé¡ãæã¡ããããlinux-kernel ã¡ã³ãããããã«ç°è°ãå±ã + ãå ´åã«ã¯ããããã¯ãã¥ã¼ããåé¤ãããã + - ã¬ãã¥ã¼ãµã¤ã¯ã«ã®æå¾ã«ãACK ãåãããããã¯ææ°ã® -stable ãªãªã¼ + ã¹ã«è¿½å ããããã®å¾ã«æ°ãã -stable ãªãªã¼ã¹ãè¡ãããã + - ã»ãã¥ãªãã£ãããã¯ãé常ã®ã¬ãã¥ã¼ãµã¤ã¯ã«ãéãããã»ãã¥ãªã㣠+ ã«ã¼ãã«ãã¼ã ããç´æ¥ -stable ããªã¼ã«åãä»ããããã + ãã®æç¶ãã®è©³ç´°ã«ã¤ãã¦ã¯ kernel security ãã¼ã ã«åãåããããã¨ã + +ã¬ãã¥ã¼å§å¡ä¼- + + - ãã®å§å¡ä¼ã¯ããã®ã¿ã¹ã¯ã«ã¤ãã¦æ´»åããå¤ãã®ãã©ã³ãã£ã¢ã¨ãå°æ°ã® + éãã©ã³ãã£ã¢ã®ã«ã¼ãã«éçºè
éã§æ§æããã¦ããã + diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index cf3868956f1e..9ad4e6fc56fd 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -549,7 +549,7 @@ and is between 256 and 4096 characters. It is defined in the file 1 will print _a lot_ more information - normally only useful to kernel developers. - decnet= [HW,NET] + decnet.addr= [HW,NET] Format: <area>[,<node>] See also Documentation/networking/decnet.txt. @@ -1561,14 +1561,17 @@ and is between 256 and 4096 characters. It is defined in the file ramdisk_size= [RAM] Sizes of RAM disks in kilobytes See Documentation/ramdisk.txt. - rcu.blimit= [KNL,BOOT] Set maximum number of finished - RCU callbacks to process in one batch. + rcupdate.blimit= [KNL,BOOT] + Set maximum number of finished RCU callbacks to process + in one batch. - rcu.qhimark= [KNL,BOOT] Set threshold of queued + rcupdate.qhimark= [KNL,BOOT] + Set threshold of queued RCU callbacks over which batch limiting is disabled. - rcu.qlowmark= [KNL,BOOT] Set threshold of queued - RCU callbacks below which batch limiting is re-enabled. + rcupdate.qlowmark= [KNL,BOOT] + Set threshold of queued RCU callbacks below which + batch limiting is re-enabled. rdinit= [KNL] Format: <full_path> @@ -1888,9 +1891,6 @@ and is between 256 and 4096 characters. It is defined in the file st= [HW,SCSI] SCSI tape parameters (buffers, etc.) See Documentation/scsi/st.txt. - st0x= [HW,SCSI] - See header of drivers/scsi/seagate.c. - sti= [PARISC,HW] Format: <num> Set the STI (builtin display/keyboard on the HP-PARISC @@ -1975,9 +1975,6 @@ and is between 256 and 4096 characters. It is defined in the file tipar.delay= [HW,PPT] Set inter-bit delay in microseconds (default 10). - tmc8xx= [HW,SCSI] - See header of drivers/scsi/seagate.c. - tmscsim= [HW,SCSI] See comment before function dc390_setup() in drivers/scsi/tmscsim.c. diff --git a/Documentation/lguest/lguest.c b/Documentation/lguest/lguest.c index 6c8a2386cd50..0f23d67f958f 100644 --- a/Documentation/lguest/lguest.c +++ b/Documentation/lguest/lguest.c @@ -34,6 +34,8 @@ #include <zlib.h> #include <assert.h> #include <sched.h> +#include <limits.h> +#include <stddef.h> #include "linux/lguest_launcher.h" #include "linux/virtio_config.h" #include "linux/virtio_net.h" @@ -99,13 +101,11 @@ struct device_list /* The descriptor page for the devices. */ u8 *descpage; - /* The tail of the last descriptor. */ - unsigned int desc_used; - /* A single linked list of devices. */ struct device *dev; - /* ... And an end pointer so we can easily append new devices */ - struct device **lastdev; + /* And a pointer to the last device for easy append and also for + * configuration appending. */ + struct device *lastdev; }; /* The list of Guest devices, based on command line arguments. */ @@ -191,7 +191,14 @@ static void *_convert(struct iovec *iov, size_t size, size_t align, #define cpu_to_le64(v64) (v64) #define le16_to_cpu(v16) (v16) #define le32_to_cpu(v32) (v32) -#define le64_to_cpu(v32) (v64) +#define le64_to_cpu(v64) (v64) + +/* The device virtqueue descriptors are followed by feature bitmasks. */ +static u8 *get_feature_bits(struct device *dev) +{ + return (u8 *)(dev->desc + 1) + + dev->desc->num_vq * sizeof(struct lguest_vqconfig); +} /*L:100 The Launcher code itself takes us out into userspace, that scary place * where pointers run wild and free! Unfortunately, like most userspace @@ -914,21 +921,58 @@ static void enable_fd(int fd, struct virtqueue *vq) write(waker_fd, &vq->dev->fd, sizeof(vq->dev->fd)); } +/* Resetting a device is fairly easy. */ +static void reset_device(struct device *dev) +{ + struct virtqueue *vq; + + verbose("Resetting device %s\n", dev->name); + /* Clear the status. */ + dev->desc->status = 0; + + /* Clear any features they've acked. */ + memset(get_feature_bits(dev) + dev->desc->feature_len, 0, + dev->desc->feature_len); + + /* Zero out the virtqueues. */ + for (vq = dev->vq; vq; vq = vq->next) { + memset(vq->vring.desc, 0, + vring_size(vq->config.num, getpagesize())); + vq->last_avail_idx = 0; + } +} + /* This is the generic routine we call when the Guest uses LHCALL_NOTIFY. */ static void handle_output(int fd, unsigned long addr) { struct device *i; struct virtqueue *vq; - /* Check each virtqueue. */ + /* Check each device and virtqueue. */ for (i = devices.dev; i; i = i->next) { + /* Notifications to device descriptors reset the device. */ + if (from_guest_phys(addr) == i->desc) { + reset_device(i); + return; + } + + /* Notifications to virtqueues mean output has occurred. */ for (vq = i->vq; vq; vq = vq->next) { - if (vq->config.pfn == addr/getpagesize() - && vq->handle_output) { - verbose("Output to %s\n", vq->dev->name); - vq->handle_output(fd, vq); + if (vq->config.pfn != addr/getpagesize()) + continue; + + /* Guest should acknowledge (and set features!) before + * using the device. */ + if (i->desc->status == 0) { + warnx("%s gave early output", i->name); return; } + + if (strcmp(vq->dev->name, "console") != 0) + verbose("Output to %s\n", vq->dev->name); + if (vq->handle_output) + vq->handle_output(fd, vq); + return; } } @@ -986,54 +1030,44 @@ static void handle_input(int fd) * * All devices need a descriptor so the Guest knows it exists, and a "struct * device" so the Launcher can keep track of it. We have common helper - * routines to allocate them. - * - * This routine allocates a new "struct lguest_device_desc" from descriptor - * table just above the Guest's normal memory. It returns a pointer to that - * descriptor. */ -static struct lguest_device_desc *new_dev_desc(u16 type) -{ - struct lguest_device_desc *d; + * routines to allocate and manage them. */ - /* We only have one page for all the descriptors. */ - if (devices.desc_used + sizeof(*d) > getpagesize()) - errx(1, "Too many devices"); - - /* We don't need to set config_len or status: page is 0 already. */ - d = (void *)devices.descpage + devices.desc_used; - d->type = type; - devices.desc_used += sizeof(*d); - - return d; +/* The layout of the device page is a "struct lguest_device_desc" followed by a + * number of virtqueue descriptors, then two sets of feature bits, then an + * array of configuration bytes. This routine returns the configuration + * pointer. */ +static u8 *device_config(const struct device *dev) +{ + return (void *)(dev->desc + 1) + + dev->desc->num_vq * sizeof(struct lguest_vqconfig) + + dev->desc->feature_len * 2; } -/* Each device descriptor is followed by some configuration information. - * Each configuration field looks like: u8 type, u8 len, [... len bytes...]. - * - * This routine adds a new field to an existing device's descriptor. It only - * works for the last device, but that's OK because that's how we use it. */ -static void add_desc_field(struct device *dev, u8 type, u8 len, const void *c) +/* This routine allocates a new "struct lguest_device_desc" from descriptor + * table page just above the Guest's normal memory. It returns a pointer to + * that descriptor. */ +static struct lguest_device_desc *new_dev_desc(u16 type) { - /* This is the last descriptor, right? */ - assert(devices.descpage + devices.desc_used - == (u8 *)(dev->desc + 1) + dev->desc->config_len); + struct lguest_device_desc d = { .type = type }; + void *p; - /* We only have one page of device descriptions. */ - if (devices.desc_used + 2 + len > getpagesize()) - errx(1, "Too many devices"); + /* Figure out where the next device config is, based on the last one. */ + if (devices.lastdev) + p = device_config(devices.lastdev) + + devices.lastdev->desc->config_len; + else + p = devices.descpage; - /* Copy in the new config header: type then length. */ - devices.descpage[devices.desc_used++] = type; - devices.descpage[devices.desc_used++] = len; - memcpy(devices.descpage + devices.desc_used, c, len); - devices.desc_used += len; + /* We only have one page for all the descriptors. */ + if (p + sizeof(d) > (void *)devices.descpage + getpagesize()) + errx(1, "Too many devices"); - /* Update the device descriptor length: two byte head then data. */ - dev->desc->config_len += 2 + len; + /* p might not be aligned, so we memcpy in. */ + return memcpy(p, &d, sizeof(d)); } -/* This routine adds a virtqueue to a device. We specify how many descriptors - * the virtqueue is to have. */ +/* Each device descriptor is followed by the description of its virtqueues. We + * specify how many descriptors the virtqueue is to have. */ static void add_virtqueue(struct device *dev, unsigned int num_descs, void (*handle_output)(int fd, struct virtqueue *me)) { @@ -1059,9 +1093,15 @@ static void add_virtqueue(struct device *dev, unsigned int num_descs, /* Initialize the vring. */ vring_init(&vq->vring, num_descs, p, getpagesize()); - /* Add the configuration information to this device's descriptor. */ - add_desc_field(dev, VIRTIO_CONFIG_F_VIRTQUEUE, - sizeof(vq->config), &vq->config); + /* Append virtqueue to this device's descriptor. We use + * device_config() to get the end of the device's current virtqueues; + * we check that we haven't added any config or feature information + * yet, otherwise we'd be overwriting them. */ + assert(dev->desc->config_len == 0 && dev->desc->feature_len == 0); + memcpy(device_config(dev), &vq->config, sizeof(vq->config)); + dev->desc->num_vq++; + + verbose("Virtqueue page %#lx\n", to_guest_phys(p)); /* Add to tail of list, so dev->vq is first vq, dev->vq->next is * second. */ @@ -1072,11 +1112,41 @@ static void add_virtqueue(struct device *dev, unsigned int num_descs, * virtqueue. */ vq->handle_output = handle_output; - /* Set the "Don't Notify Me" flag if we don't have a handler */ + /* As an optimization, set the advisory "Don't Notify Me" flag if we + * don't have a handler */ if (!handle_output) vq->vring.used->flags = VRING_USED_F_NO_NOTIFY; } +/* The first half of the feature bitmask is for us to advertise features. The + * second half if for the Guest to accept features. */ +static void add_feature(struct device *dev, unsigned bit) +{ + u8 *features = get_feature_bits(dev); + + /* We can't extend the feature bits once we've added config bytes */ + if (dev->desc->feature_len <= bit / CHAR_BIT) { + assert(dev->desc->config_len == 0); + dev->desc->feature_len = (bit / CHAR_BIT) + 1; + } + + features[bit / CHAR_BIT] |= (1 << (bit % CHAR_BIT)); +} + +/* This routine sets the configuration fields for an existing device's + * descriptor. It only works for the last device, but that's OK because that's + * how we use it. */ +static void set_config(struct device *dev, unsigned len, const void *conf) +{ + /* Check we haven't overflowed our single page. */ + if (device_config(dev) + len > devices.descpage + getpagesize()) + errx(1, "Too many devices"); + + /* Copy in the config information, and store the length. */ + memcpy(device_config(dev), conf, len); + dev->desc->config_len = len; +} + /* This routine does all the creation and setup of a new device, including * calling new_dev_desc() to allocate the descriptor and device memory. */ static struct device *new_device(const char *name, u16 type, int fd, @@ -1084,14 +1154,6 @@ static struct device *new_device(const char *name, u16 type, int fd, { struct device *dev = malloc(sizeof(*dev)); - /* Append to device list. Prepending to a single-linked list is - * easier, but the user expects the devices to be arranged on the bus - * in command-line order. The first network device on the command line - * is eth0, the first block device /dev/vda, etc. */ - *devices.lastdev = dev; - dev->next = NULL; - devices.lastdev = &dev->next; - /* Now we populate the fields one at a time. */ dev->fd = fd; /* If we have an input handler for this file descriptor, then we add it @@ -1102,6 +1164,17 @@ static struct device *new_device(const char *name, u16 type, int fd, dev->handle_input = handle_input; dev->name = name; dev->vq = NULL; + + /* Append to device list. Prepending to a single-linked list is + * easier, but the user expects the devices to be arranged on the bus + * in command-line order. The first network device on the command line + * is eth0, the first block device /dev/vda, etc. */ + if (devices.lastdev) + devices.lastdev->next = dev; + else + devices.dev = dev; + devices.lastdev = dev; + return dev; } @@ -1226,7 +1299,7 @@ static void setup_tun_net(const char *arg) int netfd, ipfd; u32 ip; const char *br_name = NULL; - u8 hwaddr[6]; + struct virtio_net_config conf; /* We open the /dev/net/tun device and tell it we want a tap device. A * tap device is like a tun device, only somehow different. To tell @@ -1265,12 +1338,13 @@ static void setup_tun_net(const char *arg) ip = str2ip(arg); /* Set up the tun device, and get the mac address for the interface. */ - configure_device(ipfd, ifr.ifr_name, ip, hwaddr); + configure_device(ipfd, ifr.ifr_name, ip, conf.mac); /* Tell Guest what MAC address to use. */ - add_desc_field(dev, VIRTIO_CONFIG_NET_MAC_F, sizeof(hwaddr), hwaddr); + add_feature(dev, VIRTIO_NET_F_MAC); + set_config(dev, sizeof(conf), &conf); - /* We don't seed the socket any more; setup is done. */ + /* We don't need the socket any more; setup is done. */ close(ipfd); verbose("device %u: tun net %u.%u.%u.%u\n", @@ -1458,8 +1532,7 @@ static void setup_block_file(const char *filename) struct device *dev; struct vblk_info *vblk; void *stack; - u64 cap; - unsigned int val; + struct virtio_blk_config conf; /* This is the pipe the I/O thread will use to tell us I/O is done. */ pipe(p); @@ -1477,14 +1550,18 @@ static void setup_block_file(const char *filename) vblk->fd = open_or_die(filename, O_RDWR|O_LARGEFILE); vblk->len = lseek64(vblk->fd, 0, SEEK_END); + /* We support barriers. */ + add_feature(dev, VIRTIO_BLK_F_BARRIER); + /* Tell Guest how many sectors this device has. */ - cap = cpu_to_le64(vblk->len / 512); - add_desc_field(dev, VIRTIO_CONFIG_BLK_F_CAPACITY, sizeof(cap), &cap); + conf.capacity = cpu_to_le64(vblk->len / 512); /* Tell Guest not to put in too many descriptors at once: two are used * for the in and out elements. */ - val = cpu_to_le32(VIRTQUEUE_NUM - 2); - add_desc_field(dev, VIRTIO_CONFIG_BLK_F_SEG_MAX, sizeof(val), &val); + add_feature(dev, VIRTIO_BLK_F_SEG_MAX); + conf.seg_max = cpu_to_le32(VIRTQUEUE_NUM - 2); + + set_config(dev, sizeof(conf), &conf); /* The I/O thread writes to this end of the pipe when done. */ vblk->done_fd = p[1]; @@ -1505,7 +1582,7 @@ static void setup_block_file(const char *filename) close(vblk->workpipe[0]); verbose("device %u: virtblock %llu sectors\n", - devices.device_num, cap); + devices.device_num, le64_to_cpu(conf.capacity)); } /* That's the end of device setup. :*/ @@ -1610,12 +1687,12 @@ int main(int argc, char *argv[]) /* First we initialize the device list. Since console and network * device receive input from a file descriptor, we keep an fdset * (infds) and the maximum fd number (max_infd) with the head of the - * list. We also keep a pointer to the last device, for easy appending - * to the list. Finally, we keep the next interrupt number to hand out - * (1: remember that 0 is used by the timer). */ + * list. We also keep a pointer to the last device. Finally, we keep + * the next interrupt number to hand out (1: remember that 0 is used by + * the timer). */ FD_ZERO(&devices.infds); devices.max_infd = -1; - devices.lastdev = &devices.dev; + devices.lastdev = NULL; devices.next_irq = 1; cpu_id = 0; diff --git a/Documentation/networking/decnet.txt b/Documentation/networking/decnet.txt index badb7480ea62..d8968958d839 100644 --- a/Documentation/networking/decnet.txt +++ b/Documentation/networking/decnet.txt @@ -60,7 +60,7 @@ operation of the local communications in any other way though. The kernel command line takes options looking like the following: - decnet=1,2 + decnet.addr=1,2 the two numbers are the node address 1,2 = 1.2 For 2.2.xx kernels and early 2.3.xx kernels, you must use a comma when specifying the diff --git a/Documentation/smp.txt b/Documentation/smp.txt deleted file mode 100644 index 82fc50b6305d..000000000000 --- a/Documentation/smp.txt +++ /dev/null @@ -1,22 +0,0 @@ -To set up SMP - -Configure the kernel and answer Y to CONFIG_SMP. - -If you are using LILO, it is handy to have both SMP and non-SMP -kernel images on hand. Edit /etc/lilo.conf to create an entry -for another kernel image called "linux-smp" or something. - -The next time you compile the kernel, when running a SMP kernel, -edit linux/Makefile and change "MAKE=make" to "MAKE=make -jN" -(where N = number of CPU + 1, or if you have tons of memory/swap - you can just use "-j" without a number). Feel free to experiment -with this one. - -Of course you should time how long each build takes :-) -Example: - make config - time -v sh -c 'make clean install modules modules_install' - -If you are using some Compaq MP compliant machines you will need to set -the operating system in the BIOS settings to "Unixware" - don't ask me -why Compaqs don't work otherwise. diff --git a/Documentation/x86_64/00-INDEX b/Documentation/x86_64/00-INDEX new file mode 100644 index 000000000000..92fc20ab5f0e --- /dev/null +++ b/Documentation/x86_64/00-INDEX @@ -0,0 +1,16 @@ +00-INDEX + - This file +boot-options.txt + - AMD64-specific boot options. +cpu-hotplug-spec + - Firmware support for CPU hotplug under Linux/x86-64 +fake-numa-for-cpusets + - Using numa=fake and CPUSets for Resource Management +kernel-stacks + - Context-specific per-processor interrupt stacks. +machinecheck + - Configurable sysfs parameters for the x86-64 machine check code. +mm.txt + - Memory layout of x86-64 (4 level page tables, 46 bits physical). +uefi.txt + - Booting Linux via Unified Extensible Firmware Interface. diff --git a/MAINTAINERS b/MAINTAINERS index 58b16038baea..da30a72a839c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -84,13 +84,6 @@ S: Status, one of the following: it has been replaced by a better system and you should be using that. -3C359 NETWORK DRIVER -P: Mike Phillips -M: mikep@linuxtr.net -L: netdev@vger.kernel.org -W: http://www.linuxtr.net -S: Maintained - 3C505 NETWORK DRIVER P: Philip Blundell M: philb@gnu.org @@ -939,8 +932,6 @@ M: maxk@qualcomm.com S: Maintained BONDING DRIVER -P: Chad Tindel -M: ctindel@users.sourceforge.net P: Jay Vosburgh M: fubar@us.ibm.com L: bonding-devel@lists.sourceforge.net @@ -2864,15 +2855,6 @@ L: ocfs2-devel@oss.oracle.com W: http://oss.oracle.com/projects/ocfs2/ S: Supported -OLYMPIC NETWORK DRIVER -P: Peter De Shrijver -M: p2@ace.ulyssis.student.kuleuven.ac.be -P: Mike Phillips -M: mikep@linuxtr.net -L: netdev@vger.kernel.org -W: http://www.linuxtr.net -S: Maintained - OMNIKEY CARDMAN 4000 DRIVER P: Harald Welte M: laforge@gnumonks.org @@ -3195,7 +3177,7 @@ S: Maintained RAYLINK/WEBGEAR 802.11 WIRELESS LAN DRIVER P: Corey Thomas -M: corey@world.std.com +M: coreythomas@charter.net L: linux-wireless@vger.kernel.org S: Maintained @@ -3788,13 +3770,6 @@ L: tlan-devel@lists.sourceforge.net (subscribers-only) W: http://sourceforge.net/projects/tlan/ S: Maintained -TOKEN-RING NETWORK DRIVER -P: Mike Phillips -M: mikep@linuxtr.net -L: netdev@vger.kernel.org -W: http://www.linuxtr.net -S: Maintained - TOSHIBA ACPI EXTRAS DRIVER P: John Belmonte M: toshiba_acpi@memebeam.org @@ -3815,18 +3790,9 @@ L: linux-kernel@vger.kernel.org S: Maintained TRIVIAL PATCHES -P: Adrian Bunk +P: Jesper Juhl M: trivial@kernel.org L: linux-kernel@vger.kernel.org -W: http://www.kernel.org/pub/linux/kernel/people/bunk/trivial/ -T: git kernel.org:/pub/scm/linux/kernel/git/bunk/trivial.git -S: Maintained - -TMS380 TOKEN-RING NETWORK DRIVER -P: Adam Fritzler -M: mid@auk.cx -L: linux-tr@linuxtr.net -W: http://www.auk.cx/tms380tr/ S: Maintained TULIP NETWORK DRIVER @@ -1484,7 +1484,7 @@ kernelversion: # Single targets # --------------------------------------------------------------------------- # Single targets are compatible with: -# - build whith mixed source and output +# - build with mixed source and output # - build with separate output dir 'make O=...' # - external modules # diff --git a/arch/Kconfig b/arch/Kconfig new file mode 100644 index 000000000000..3d72dc3fc8f5 --- /dev/null +++ b/arch/Kconfig @@ -0,0 +1,31 @@ +# +# General architecture dependent options +# + +config OPROFILE + tristate "OProfile system profiling (EXPERIMENTAL)" + depends on PROFILING + depends on HAVE_OPROFILE + help + OProfile is a profiling system capable of profiling the + whole system, include the kernel, kernel modules, libraries, + and applications. + + If unsure, say N. + +config HAVE_OPROFILE + def_bool n + +config KPROBES + bool "Kprobes" + depends on KALLSYMS && MODULES + depends on HAVE_KPROBES + help + Kprobes allows you to trap at almost any kernel address and + execute a callback function. register_kprobe() establishes + a probepoint and specifies the callback. Kprobes is useful + for kernel debugging, non-intrusive instrumentation and testing. + If in doubt, say "N". + +config HAVE_KPROBES + def_bool n diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index c613d5fb0daa..01b10ab588a6 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -5,6 +5,7 @@ config ALPHA bool default y + select HAVE_OPROFILE help The Alpha is a 64-bit general-purpose processor designed and marketed by the Digital Equipment Corporation of blessed memory, @@ -531,8 +532,8 @@ config SMP singleprocessor machines. On a singleprocessor machine, the kernel will run faster if you say N here. - See also the <file:Documentation/smp.txt>, and the SMP-HOWTO - available at <http://www.tldp.org/docs.html#howto>. + See also the SMP-HOWTO available at + <http://www.tldp.org/docs.html#howto>. If you don't know what to do here, say N. @@ -649,8 +650,6 @@ source "drivers/Kconfig" source "fs/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/alpha/Kconfig.debug" # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 4b1a8e3d292c..471637002e8b 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -10,6 +10,8 @@ config ARM default y select RTC_LIB select SYS_SUPPORTS_APM_EMULATION + select HAVE_OPROFILE + select HAVE_KPROBES if (!XIP_KERNEL) help The ARM series is a line of low-power-consumption RISC chip designs licensed by ARM Ltd and targeted at embedded applications and @@ -135,6 +137,23 @@ config FIQ config ARCH_MTD_XIP bool +if OPROFILE + +config OPROFILE_ARMV6 + def_bool y + depends on CPU_V6 && !SMP + select OPROFILE_ARM11_CORE + +config OPROFILE_MPCORE + def_bool y + depends on CPU_V6 && SMP + select OPROFILE_ARM11_CORE + +config OPROFILE_ARM11_CORE + bool + +endif + config VECTORS_BASE hex default 0xffff0000 if MMU || CPU_HIGH_VECTOR @@ -616,8 +635,7 @@ config SMP processor machines. On a single processor machine, the kernel will run faster if you say N here. - See also the <file:Documentation/smp.txt>, - <file:Documentation/i386/IO-APIC.txt>, + See also <file:Documentation/i386/IO-APIC.txt>, <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at <http://www.linuxdoc.org/docs.html#howto>. @@ -1128,8 +1146,6 @@ endmenu source "fs/Kconfig" -source "arch/arm/Kconfig.instrumentation" - source "arch/arm/Kconfig.debug" source "security/Kconfig" diff --git a/arch/arm/Kconfig.instrumentation b/arch/arm/Kconfig.instrumentation deleted file mode 100644 index 453ad8e15d69..000000000000 --- a/arch/arm/Kconfig.instrumentation +++ /dev/null @@ -1,62 +0,0 @@ -menuconfig INSTRUMENTATION - bool "Instrumentation Support" - default y - ---help--- - Say Y here to get to see options related to performance measurement, - system-wide debugging, and testing. This option alone does not add any - kernel code. - - If you say N, all options in this submenu will be skipped and - disabled. If you're trying to debug the kernel itself, go see the - Kernel Hacking menu. - -if INSTRUMENTATION - -config PROFILING - bool "Profiling support (EXPERIMENTAL)" - help - Say Y here to enable the extended profiling support mechanisms used - by profilers such as OProfile. - -config OPROFILE - tristate "OProfile system profiling (EXPERIMENTAL)" - depends on PROFILING && !UML - help - OProfile is a profiling system capable of profiling the - whole system, include the kernel, kernel modules, libraries, - and applications. - - If unsure, say N. - -config OPROFILE_ARMV6 - bool - depends on OPROFILE && CPU_V6 && !SMP - default y - select OPROFILE_ARM11_CORE - -config OPROFILE_MPCORE - bool - depends on OPROFILE && CPU_V6 && SMP - default y - select OPROFILE_ARM11_CORE - -config OPROFILE_ARM11_CORE - bool - -config KPROBES - bool "Kprobes" - depends on KALLSYMS && MODULES && !UML && !XIP_KERNEL - help - Kprobes allows you to trap at almost any kernel address and - execute a callback function. register_kprobe() establishes - a probepoint and specifies the callback. Kprobes is useful - for kernel debugging, non-intrusive instrumentation and testing. - If in doubt, say "N". - -config MARKERS - bool "Activate markers" - help - Place an empty function call at each marker site. Can be - dynamically changed for a probe function. - -endif # INSTRUMENTATION diff --git a/arch/arm/mach-pxa/corgi_ssp.c b/arch/arm/mach-pxa/corgi_ssp.c index efba65edcd51..31706224a04c 100644 --- a/arch/arm/mach-pxa/corgi_ssp.c +++ b/arch/arm/mach-pxa/corgi_ssp.c @@ -32,7 +32,7 @@ static struct corgissp_machinfo *ssp_machinfo; /* * There are three devices connected to the SSP interface: * 1. A touchscreen controller (TI ADS7846 compatible) - * 2. An LCD contoller (with some Backlight functionality) + * 2. An LCD controller (with some Backlight functionality) * 3. A battery monitoring IC (Maxim MAX1111) * * Each device uses a different speed/mode of communication. diff --git a/arch/arm/mach-sa1100/collie_pm.c b/arch/arm/mach-sa1100/collie_pm.c index 1e25b1d19fce..94620be7bfac 100644 --- a/arch/arm/mach-sa1100/collie_pm.c +++ b/arch/arm/mach-sa1100/collie_pm.c @@ -165,7 +165,7 @@ int collie_read_temp(void) ucb1x00_adc_enable(ucb); ucb1x00_io_write(ucb, COLLIE_TC35143_GPIO_TMP_ON, 0); - /* >1010 = battery removed, 460 = 22C ?, higer = lower temp ? */ + /* >1010 = battery removed, 460 = 22C ?, higher = lower temp ? */ voltage = ucb1x00_adc_read(ucb, UCB_ADC_INP_AD0, UCB_SYNC); ucb1x00_io_write(ucb, 0, COLLIE_TC35143_GPIO_TMP_ON); ucb1x00_adc_disable(ucb); diff --git a/arch/arm/plat-s3c24xx/irq.c b/arch/arm/plat-s3c24xx/irq.c index d486f5112569..ae2c5d7efc9d 100644 --- a/arch/arm/plat-s3c24xx/irq.c +++ b/arch/arm/plat-s3c24xx/irq.c @@ -47,7 +47,7 @@ * Mark IRQ_LCD valid * * 25-Jul-2005 Ben Dooks - * Split the S3C2440 IRQ code to seperate file + * Split the S3C2440 IRQ code to separate file */ #include <linux/init.h> diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig index e34e2c9c94cb..c816f29154c9 100644 --- a/arch/avr32/Kconfig +++ b/arch/avr32/Kconfig @@ -10,6 +10,8 @@ config AVR32 # With EMBEDDED=n, we get lots of stuff automatically selected # that we usually don't need on AVR32. select EMBEDDED + select HAVE_OPROFILE + select HAVE_KPROBES help AVR32 is a high-performance 32-bit RISC microprocessor core, designed for cost-sensitive embedded applications, with particular @@ -54,9 +56,6 @@ config ARCH_HAS_ILOG2_U32 config ARCH_HAS_ILOG2_U64 def_bool n -config ARCH_SUPPORTS_OPROFILE - def_bool y - config GENERIC_HWEIGHT def_bool y @@ -236,8 +235,6 @@ source "drivers/Kconfig" source "fs/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/avr32/Kconfig.debug" source "security/Kconfig" diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 4802eb767dc9..ba21e33b8b1f 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -24,6 +24,7 @@ config RWSEM_XCHGADD_ALGORITHM config BLACKFIN bool default y + select HAVE_OPROFILE config ZONE_DMA bool @@ -973,8 +974,6 @@ source "drivers/Kconfig" source "fs/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/blackfin/Kconfig.debug" source "security/Kconfig" diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig index 222da1501f47..7f0be4cd5e9a 100644 --- a/arch/cris/Kconfig +++ b/arch/cris/Kconfig @@ -213,8 +213,6 @@ source "drivers/pci/Kconfig" source "drivers/usb/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/cris/Kconfig.debug" source "security/Kconfig" diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig index e3f965c91e22..bf0468cbe713 100644 --- a/arch/frv/Kconfig +++ b/arch/frv/Kconfig @@ -79,7 +79,7 @@ config FRV_OUTOFLINE_ATOMIC_OPS Setting this option causes the FR-V atomic operations to be mostly implemented out-of-line. - See Documentation/fujitsu/frv/atomic-ops.txt for more information. + See Documentation/frv/atomic-ops.txt for more information. config HIGHMEM bool "High memory support" @@ -375,8 +375,6 @@ source "drivers/Kconfig" source "fs/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/frv/Kconfig.debug" source "security/Kconfig" diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S index f926c7094776..99046b1f51c8 100644 --- a/arch/frv/kernel/entry.S +++ b/arch/frv/kernel/entry.S @@ -253,7 +253,7 @@ __entry_kernel_external_interrupt_reentry: andi.p gr5,#~PSR_ET,gr5 # set CCCR.CC3 to Undefined to abort atomic-modify completion inside the kernel - # - for an explanation of how it works, see: Documentation/fujitsu/frv/atomic-ops.txt + # - for an explanation of how it works, see: Documentation/frv/atomic-ops.txt andi gr25,#~0xc0,gr25 sti gr20,@(gr28,#REG_TBR) @@ -445,7 +445,7 @@ __entry_kernel_softprog_interrupt_reentry: sti gr22,@(sp,#REG_SP) # set CCCR.CC3 to Undefined to abort atomic-modify completion inside the kernel - # - for an explanation of how it works, see: Documentation/fujitsu/frv/atomic-ops.txt + # - for an explanation of how it works, see: Documentation/frv/atomic-ops.txt movsg cccr,gr20 andi gr20,#~0xc0,gr20 movgs gr20,cccr diff --git a/arch/frv/lib/atomic-ops.S b/arch/frv/lib/atomic-ops.S index 545cd325ac57..ee0ac905fb08 100644 --- a/arch/frv/lib/atomic-ops.S +++ b/arch/frv/lib/atomic-ops.S @@ -1,7 +1,7 @@ /* atomic-ops.S: kernel atomic operations * * For an explanation of how atomic ops work in this arch, see: - * Documentation/fujitsu/frv/atomic-ops.txt + * Documentation/frv/atomic-ops.txt * * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig index ff6a8712bd6d..dc61222e1120 100644 --- a/arch/h8300/Kconfig +++ b/arch/h8300/Kconfig @@ -223,8 +223,6 @@ endmenu source "fs/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/h8300/Kconfig.debug" source "security/Kconfig" diff --git a/arch/h8300/platform/h8s/ints.c b/arch/h8300/platform/h8s/ints.c index 551fd5f30d82..ac10b9783850 100644 --- a/arch/h8300/platform/h8s/ints.c +++ b/arch/h8300/platform/h8s/ints.c @@ -121,7 +121,7 @@ void __init init_IRQ(void) printk("virtual vector at 0x%08lx\n",(unsigned long)ramvec); #if defined(CONFIG_GDB_DEBUG) - /* save orignal break vector */ + /* save original break vector */ break_vec = ramvec[TRAP3_VEC]; #else break_vec = VECTOR(trace_break); diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index c9307c99a1dc..b0de1132dfc0 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -15,6 +15,8 @@ config IA64 select ACPI if (!IA64_HP_SIM) select PM if (!IA64_HP_SIM) select ARCH_SUPPORTS_MSI + select HAVE_OPROFILE + select HAVE_KPROBES default y help The Itanium Processor Family is Intel's 64-bit successor to @@ -283,8 +285,8 @@ config SMP single processor systems. On a single processor system, the kernel will run faster if you say N here. - See also the <file:Documentation/smp.txt> and the SMP-HOWTO - available at <http://www.tldp.org/docs.html#howto>. + See also the SMP-HOWTO available at + <http://www.tldp.org/docs.html#howto>. If you don't know what to do here, say N. @@ -600,8 +602,6 @@ config IRQ_PER_CPU source "arch/ia64/hp/sim/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/ia64/Kconfig.debug" source "security/Kconfig" diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index 49326e9d4413..795180b8fd8e 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -8,6 +8,7 @@ mainmenu "Linux/M32R Kernel Configuration" config M32R bool default y + select HAVE_OPROFILE config SBUS bool @@ -302,8 +303,7 @@ config SMP Y to "Enhanced Real Time Clock Support", below. The "Advanced Power Management" code will be disabled if you say Y here. - See also the <file:Documentation/smp.txt>, - and the SMP-HOWTO available at + See also the SMP-HOWTO available at <http://www.linuxdoc.org/docs.html#howto>. If you don't know what to do here, say N. @@ -426,8 +426,6 @@ source "drivers/Kconfig" source "fs/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/m32r/Kconfig.debug" source "security/Kconfig" diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c index ed4d0756c5db..9aa615d3a5b2 100644 --- a/arch/m32r/kernel/ptrace.c +++ b/arch/m32r/kernel/ptrace.c @@ -476,7 +476,7 @@ unregister_debug_trap(struct task_struct *child, unsigned long addr, return 0; } - /* Recover orignal instruction code. */ + /* Recover original instruction code. */ *code = p->insn[i]; /* Shift debug trap entries. */ diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 24e6bc09e7a7..8236e42ef711 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -678,8 +678,6 @@ endmenu source "fs/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/m68k/Kconfig.debug" source "security/Kconfig" diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig index bd9213749ac2..6abbbb8aac5e 100644 --- a/arch/m68knommu/Kconfig +++ b/arch/m68knommu/Kconfig @@ -711,8 +711,6 @@ source "drivers/Kconfig" source "fs/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/m68knommu/Kconfig.debug" source "security/Kconfig" diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 36a4018f71d2..ec78a5762e9e 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1,6 +1,7 @@ config MIPS bool default y + select HAVE_OPROFILE # Horrible source of confusion. Die, die, die ... select EMBEDDED select RTC_LIB @@ -1754,8 +1755,8 @@ config SMP People using multiprocessor machines who say Y here should also say Y to "Enhanced Real Time Clock Support", below. - See also the <file:Documentation/smp.txt> and the SMP-HOWTO - available at <http://www.tldp.org/docs.html#howto>. + See also the SMP-HOWTO available at + <http://www.tldp.org/docs.html#howto>. If you don't know what to do here, say N. @@ -2095,8 +2096,6 @@ source "drivers/Kconfig" source "fs/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/mips/Kconfig.debug" source "security/Kconfig" diff --git a/arch/mips/au1000/mtx-1/board_setup.c b/arch/mips/au1000/mtx-1/board_setup.c index abfc4bcddf7a..310d5dff89fc 100644 --- a/arch/mips/au1000/mtx-1/board_setup.c +++ b/arch/mips/au1000/mtx-1/board_setup.c @@ -99,7 +99,7 @@ mtx1_pci_idsel(unsigned int devsel, int assert) #endif if (assert && devsel != 0) { - // supress signal to cardbus + // suppress signal to cardbus au_writel( 0x00000002, SYS_OUTPUTCLR ); // set EXT_IO3 OFF } else { diff --git a/arch/mips/kernel/binfmt_elfn32.c b/arch/mips/kernel/binfmt_elfn32.c index 9b34238d41c0..77db3473deab 100644 --- a/arch/mips/kernel/binfmt_elfn32.c +++ b/arch/mips/kernel/binfmt_elfn32.c @@ -98,7 +98,7 @@ static __inline__ void jiffies_to_compat_timeval(unsigned long jiffies, struct compat_timeval *value) { /* - * Convert jiffies to nanoseconds and seperate with + * Convert jiffies to nanoseconds and separate with * one divide. */ u64 nsec = (u64)jiffies * TICK_NSEC; diff --git a/arch/mips/kernel/binfmt_elfo32.c b/arch/mips/kernel/binfmt_elfo32.c index da41eac195ca..08f4cd781ee3 100644 --- a/arch/mips/kernel/binfmt_elfo32.c +++ b/arch/mips/kernel/binfmt_elfo32.c @@ -100,7 +100,7 @@ static inline void jiffies_to_compat_timeval(unsigned long jiffies, struct compat_timeval *value) { /* - * Convert jiffies to nanoseconds and seperate with + * Convert jiffies to nanoseconds and separate with * one divide. */ u64 nsec = (u64)jiffies * TICK_NSEC; diff --git a/arch/mips/kernel/kspd.c b/arch/mips/kernel/kspd.c index f6704ab16306..998c4efcce88 100644 --- a/arch/mips/kernel/kspd.c +++ b/arch/mips/kernel/kspd.c @@ -221,7 +221,7 @@ void sp_work_handle_request(void) } } - /* Run the syscall at the priviledge of the user who loaded the + /* Run the syscall at the privilege of the user who loaded the SP program */ if (vpe_getuid(tclimit)) diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 269c252d956f..c032409cba9b 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -424,13 +424,13 @@ static void __init bootmem_init(void) #endif /* CONFIG_SGI_IP27 */ /* - * arch_mem_init - initialize memory managment subsystem + * arch_mem_init - initialize memory management subsystem * * o plat_mem_setup() detects the memory configuration and will record detected * memory areas using add_memory_region. * * At this stage the memory configuration of the system is known to the - * kernel but generic memory managment system is still entirely uninitialized. + * kernel but generic memory management system is still entirely uninitialized. * * o bootmem_init() * o sparse_init() diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c index 85f700e58131..b42e71c71119 100644 --- a/arch/mips/kernel/smtc.c +++ b/arch/mips/kernel/smtc.c @@ -65,7 +65,7 @@ asiduse smtc_live_asid[MAX_SMTC_TLBS][MAX_SMTC_ASIDS]; static atomic_t ipi_timer_latch[NR_CPUS]; /* - * Number of InterProcessor Interupt (IPI) message buffers to allocate + * Number of InterProcessor Interrupt (IPI) message buffers to allocate */ #define IPIBUF_PER_CPU 4 @@ -780,7 +780,7 @@ void smtc_send_ipi(int cpu, int type, unsigned int action) if (cpu_data[cpu].vpe_id != cpu_data[smp_processor_id()].vpe_id) { if (type == SMTC_CLOCK_TICK) atomic_inc(&ipi_timer_latch[cpu]); - /* If not on same VPE, enqueue and send cross-VPE interupt */ + /* If not on same VPE, enqueue and send cross-VPE interrupt */ smtc_ipi_nq(&IPIQ[cpu], pipi); LOCK_CORE_PRA(); settc(cpu_data[cpu].tc_id); @@ -1063,7 +1063,7 @@ static void setup_cross_vpe_interrupts(unsigned int nvpe) return; if (!cpu_has_vint) - panic("SMTC Kernel requires Vectored Interupt support"); + panic("SMTC Kernel requires Vectored Interrupt support"); set_vi_handler(MIPS_CPU_IPI_IRQ, ipi_irq_dispatch); diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 02bd180f0e02..53ec05267a98 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -1101,7 +1101,7 @@ static void __init setup_scache(void) /* * Do the probing thing on R4000SC and R4400SC processors. Other * processors don't have a S-cache that would be relevant to the - * Linux memory managment. + * Linux memory management. */ switch (c->cputype) { case CPU_R4000SC: diff --git a/arch/mips/sgi-ip27/ip27-hubio.c b/arch/mips/sgi-ip27/ip27-hubio.c index 524b371f9397..a1fa4abb3f6a 100644 --- a/arch/mips/sgi-ip27/ip27-hubio.c +++ b/arch/mips/sgi-ip27/ip27-hubio.c @@ -168,7 +168,7 @@ static void hub_set_piomode(nasid_t nasid) } /* - * hub_pio_init - PIO-related hub initalization + * hub_pio_init - PIO-related hub initialization * * @hub: hubinfo structure for our hub */ diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 2b649c46631c..028d8a0fdbfd 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -7,6 +7,7 @@ mainmenu "Linux/PA-RISC Kernel Configuration" config PARISC def_bool y + select HAVE_OPROFILE help The PA-RISC microprocessor is designed by Hewlett-Packard and used in many of their workstations & servers (HP9000 700 and 800 series, @@ -205,9 +206,8 @@ config SMP singleprocessor machines. On a singleprocessor machine, the kernel will run faster if you say N here. - See also the <file:Documentation/smp.txt>, - <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available - at <http://www.tldp.org/docs.html#howto>. + See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO + available at <http://www.tldp.org/docs.html#howto>. If you don't know what to do here, say N. @@ -272,8 +272,6 @@ source "drivers/Kconfig" source "fs/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/parisc/Kconfig.debug" source "security/Kconfig" diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index 395bbce64993..e10d25d2d9c9 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -305,7 +305,7 @@ flush_user_cache_page_non_current(struct vm_area_struct *vma, /* save the current process space and pgd */ unsigned long space = mfsp(3), pgd = mfctl(25); - /* we don't mind taking interrups since they may not + /* we don't mind taking interrupts since they may not * do anything with user space, but we can't * be preempted here */ preempt_disable(); diff --git a/arch/parisc/kernel/hardware.c b/arch/parisc/kernel/hardware.c index 04848b2b381c..84b9611a9228 100644 --- a/arch/parisc/kernel/hardware.c +++ b/arch/parisc/kernel/hardware.c @@ -1187,7 +1187,7 @@ static struct hp_hardware hp_hardware_list[] __devinitdata = { {HPHW_FIO, 0x005, 0x000A9, 0x00, "AllegroLow Core PCI USB KB"}, {HPHW_FIO, 0x006, 0x000A9, 0x00, "AllegroHigh Core PCI SuperIO RS-232"}, {HPHW_FIO, 0x006, 0x000A9, 0x00, "AllegroHigh Core PCI USB KB"}, - {HPHW_FIO, 0x007, 0x000A9, 0x0, "Miscelaneous PCI Plug-in"}, + {HPHW_FIO, 0x007, 0x000A9, 0x0, "Miscellaneous PCI Plug-in"}, {HPHW_FIO, 0x00A, 0x000A9, 0x0, "Lego 360 Core PCI SuperIO RS-232"}, {HPHW_FIO, 0x00A, 0x000A9, 0x0, "Lego 360 Core PCI USB KB"}, {HPHW_FIO, 0x004, 0x00320, 0x0, "Metheus Frame Buffer"}, diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index 2ce3806f02e1..58fccc96d003 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -333,7 +333,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, flush_user_icache_range((unsigned long) &frame->tramp[0], (unsigned long) &frame->tramp[TRAMP_SIZE]); - /* TRAMP Words 0-4, Lenght 5 = SIGRESTARTBLOCK_TRAMP + /* TRAMP Words 0-4, Length 5 = SIGRESTARTBLOCK_TRAMP * TRAMP Words 5-9, Length 4 = SIGRETURN_TRAMP * So the SIGRETURN_TRAMP is at the end of SIGRESTARTBLOCK_TRAMP */ diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 4a22c9928618..b94d4502a477 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -87,6 +87,8 @@ config ARCH_NO_VIRT_TO_BUS config PPC bool default y + select HAVE_OPROFILE + select HAVE_KPROBES config EARLY_PRINTK bool @@ -713,8 +715,6 @@ source "arch/powerpc/sysdev/qe_lib/Kconfig" source "lib/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/powerpc/Kconfig.debug" source "security/Kconfig" diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig index db5934cdafb3..531156f8919c 100644 --- a/arch/ppc/Kconfig +++ b/arch/ppc/Kconfig @@ -42,6 +42,8 @@ config GENERIC_CALIBRATE_DELAY config PPC bool default y + select HAVE_OPROFILE + select HAVE_KPROBES config PPC32 bool @@ -1256,8 +1258,6 @@ endmenu source "lib/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/ppc/Kconfig.debug" source "security/Kconfig" diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 6ef54d27fc00..82cbffd03654 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -51,6 +51,8 @@ mainmenu "Linux Kernel Configuration" config S390 def_bool y + select HAVE_OPROFILE + select HAVE_KPROBES source "init/Kconfig" @@ -81,8 +83,8 @@ config SMP singleprocessor machines. On a singleprocessor machine, the kernel will run faster if you say N here. - See also the <file:Documentation/smp.txt> and the SMP-HOWTO - available at <http://www.tldp.org/docs.html#howto>. + See also the SMP-HOWTO available at + <http://www.tldp.org/docs.html#howto>. Even if you don't know what to do here, say Y. @@ -526,8 +528,6 @@ source "drivers/Kconfig" source "fs/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/s390/Kconfig.debug" source "security/Kconfig" diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index b30c4c376a83..1c3a90835c7e 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -8,6 +8,7 @@ mainmenu "Linux/SuperH Kernel Configuration" config SUPERH def_bool y select EMBEDDED + select HAVE_OPROFILE help The SuperH is a RISC processor targeted for use in embedded systems and consumer electronics; it was also used in the Sega Dreamcast @@ -672,9 +673,8 @@ config SMP People using multiprocessor machines who say Y here should also say Y to "Enhanced Real Time Clock Support", below. - See also the <file:Documentation/smp.txt>, - <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available - at <http://www.tldp.org/docs.html#howto>. + See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO + available at <http://www.tldp.org/docs.html#howto>. If you don't know what to do here, say N. @@ -896,8 +896,6 @@ source "drivers/Kconfig" source "fs/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/sh/Kconfig.debug" source "security/Kconfig" diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 527adc808ad6..99f8971716d2 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -48,9 +48,8 @@ config SMP Y to "Enhanced Real Time Clock Support", below. The "Advanced Power Management" code will be disabled if you say Y here. - See also the <file:Documentation/smp.txt>, - <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at - <http://www.tldp.org/docs.html#howto>. + See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO + available at <http://www.tldp.org/docs.html#howto>. If you don't know what to do here, say N. @@ -63,6 +62,7 @@ config NR_CPUS config SPARC bool default y + select HAVE_OPROFILE # Identify this as a Sparc32 build config SPARC32 @@ -320,8 +320,6 @@ endmenu source "fs/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/sparc/Kconfig.debug" source "security/Kconfig" diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index 97aa50d1e4ae..ad0ede24ca1d 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -305,7 +305,7 @@ void *sbus_alloc_consistent(struct sbus_dev *sdev, long len, u32 *dma_addrp) struct resource *res; int order; - /* XXX why are some lenghts signed, others unsigned? */ + /* XXX why are some lengths signed, others unsigned? */ if (len <= 0) { return NULL; } @@ -393,7 +393,7 @@ void sbus_free_consistent(struct sbus_dev *sdev, long n, void *p, u32 ba) */ dma_addr_t sbus_map_single(struct sbus_dev *sdev, void *va, size_t len, int direction) { - /* XXX why are some lenghts signed, others unsigned? */ + /* XXX why are some lengths signed, others unsigned? */ if (len <= 0) { return 0; } diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig index 158522f51d31..a8c6366f05a1 100644 --- a/arch/sparc64/Kconfig +++ b/arch/sparc64/Kconfig @@ -8,6 +8,8 @@ mainmenu "Linux/UltraSPARC Kernel Configuration" config SPARC bool default y + select HAVE_OPROFILE + select HAVE_KPROBES config SPARC64 bool @@ -166,9 +168,8 @@ config SMP Y to "Enhanced Real Time Clock Support", below. The "Advanced Power Management" code will be disabled if you say Y here. - See also the <file:Documentation/smp.txt>, - <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at - <http://www.tldp.org/docs.html#howto>. + See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO + available at <http://www.tldp.org/docs.html#howto>. If you don't know what to do here, say N. @@ -465,8 +466,6 @@ source "drivers/sbus/char/Kconfig" source "fs/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/sparc64/Kconfig.debug" source "security/Kconfig" diff --git a/arch/um/Kconfig b/arch/um/Kconfig index dd1689b814cb..55945db1313c 100644 --- a/arch/um/Kconfig +++ b/arch/um/Kconfig @@ -289,6 +289,4 @@ config INPUT bool default n -source "kernel/Kconfig.instrumentation" - source "arch/um/Kconfig.debug" diff --git a/arch/um/sys-x86_64/signal.c b/arch/um/sys-x86_64/signal.c index 7457436b433a..14070181407b 100644 --- a/arch/um/sys-x86_64/signal.c +++ b/arch/um/sys-x86_64/signal.c @@ -112,7 +112,7 @@ static int copy_sc_to_user(struct sigcontext __user *to, err |= PUTREG(regs, RSI, to, si); err |= PUTREG(regs, RBP, to, bp); /* - * Must use orignal RSP, which is passed in, rather than what's in + * Must use original RSP, which is passed in, rather than what's in * the pt_regs, because that's already been updated to point at the * signal frame. */ diff --git a/arch/v850/Kconfig b/arch/v850/Kconfig index b6a50b8b38de..ace479ab273f 100644 --- a/arch/v850/Kconfig +++ b/arch/v850/Kconfig @@ -331,8 +331,6 @@ source "sound/Kconfig" source "drivers/usb/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/v850/Kconfig.debug" source "security/Kconfig" diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 7109037bdf7c..59eef1c7fdaa 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -18,6 +18,8 @@ config X86_64 ### Arch settings config X86 def_bool y + select HAVE_OPROFILE + select HAVE_KPROBES config GENERIC_LOCKBREAK def_bool n @@ -106,10 +108,6 @@ config GENERIC_TIME_VSYSCALL config HAVE_SETUP_PER_CPU_AREA def_bool X86_64 -config ARCH_SUPPORTS_OPROFILE - bool - default y - select HAVE_KVM config ARCH_HIBERNATION_POSSIBLE @@ -204,8 +202,7 @@ config SMP Y to "Enhanced Real Time Clock Support", below. The "Advanced Power Management" code will be disabled if you say Y here. - See also the <file:Documentation/smp.txt>, - <file:Documentation/i386/IO-APIC.txt>, + See also <file:Documentation/i386/IO-APIC.txt>, <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at <http://www.tldp.org/docs.html#howto>. @@ -309,6 +306,7 @@ config X86_RDC321X select M486 select X86_REBOOTFIXUPS select GENERIC_GPIO + select LEDS_CLASS select LEDS_GPIO help This option is needed for RDC R-321x system-on-chip, also known @@ -1597,8 +1595,6 @@ source "drivers/firmware/Kconfig" source "fs/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/x86/Kconfig.debug" source "security/Kconfig" diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 8978e98bed5b..364865b1b08d 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -92,7 +92,6 @@ KBUILD_AFLAGS += $(cfi) $(cfi-sigframe) KBUILD_CFLAGS += $(cfi) $(cfi-sigframe) LDFLAGS := -m elf_$(UTS_MACHINE) -OBJCOPYFLAGS := -O binary -R .note -R .comment -S # Speed up the build KBUILD_CFLAGS += -pipe diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile index 349b81a39c40..f88458e83ef0 100644 --- a/arch/x86/boot/Makefile +++ b/arch/x86/boot/Makefile @@ -26,7 +26,7 @@ SVGA_MODE := -DSVGA_MODE=NORMAL_VGA #RAMDISK := -DRAMDISK=512 targets := vmlinux.bin setup.bin setup.elf zImage bzImage -subdir- := compressed +subdir- := compressed setup-y += a20.o cmdline.o copy.o cpu.o cpucheck.o edd.o setup-y += header.o main.o mca.o memory.o pm.o pmjump.o @@ -43,9 +43,17 @@ setup-y += video-vesa.o setup-y += video-bios.o targets += $(setup-y) -hostprogs-y := tools/build +hostprogs-y := mkcpustr tools/build -HOSTCFLAGS_build.o := $(LINUXINCLUDE) +HOST_EXTRACFLAGS += $(LINUXINCLUDE) + +$(obj)/cpu.o: $(obj)/cpustr.h + +quiet_cmd_cpustr = CPUSTR $@ + cmd_cpustr = $(obj)/mkcpustr > $@ +targets += cpustr.h +$(obj)/cpustr.h: $(obj)/mkcpustr FORCE + $(call if_changed,cpustr) # --------------------------------------------------------------------------- @@ -80,6 +88,7 @@ $(obj)/zImage $(obj)/bzImage: $(obj)/setup.bin \ $(call if_changed,image) @echo 'Kernel: $@ is ready' ' (#'`cat .version`')' +OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE $(call if_changed,objcopy) @@ -90,7 +99,6 @@ $(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE $(call if_changed,ld) OBJCOPYFLAGS_setup.bin := -O binary - $(obj)/setup.bin: $(obj)/setup.elf FORCE $(call if_changed,objcopy) @@ -98,7 +106,7 @@ $(obj)/compressed/vmlinux: FORCE $(Q)$(MAKE) $(build)=$(obj)/compressed IMAGE_OFFSET=$(IMAGE_OFFSET) $@ # Set this if you want to pass append arguments to the zdisk/fdimage/isoimage kernel -FDARGS = +FDARGS = # Set this if you want an initrd included with the zdisk/fdimage/isoimage kernel FDINITRD = diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index fe24ceabd909..d2b9f3bb87c0 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -22,6 +22,7 @@ $(obj)/vmlinux: $(src)/vmlinux_$(BITS).lds $(obj)/head_$(BITS).o $(obj)/misc.o $ $(call if_changed,ld) @: +OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S $(obj)/vmlinux.bin: vmlinux FORCE $(call if_changed,objcopy) diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S index 1ccb38a7f0d2..e8657b98c902 100644 --- a/arch/x86/boot/compressed/head_64.S +++ b/arch/x86/boot/compressed/head_64.S @@ -80,8 +80,8 @@ startup_32: #ifdef CONFIG_RELOCATABLE movl %ebp, %ebx - addl $(LARGE_PAGE_SIZE -1), %ebx - andl $LARGE_PAGE_MASK, %ebx + addl $(PMD_PAGE_SIZE -1), %ebx + andl $PMD_PAGE_MASK, %ebx #else movl $CONFIG_PHYSICAL_START, %ebx #endif @@ -220,8 +220,8 @@ ENTRY(startup_64) /* Start with the delta to where the kernel will run at. */ #ifdef CONFIG_RELOCATABLE leaq startup_32(%rip) /* - $startup_32 */, %rbp - addq $(LARGE_PAGE_SIZE - 1), %rbp - andq $LARGE_PAGE_MASK, %rbp + addq $(PMD_PAGE_SIZE - 1), %rbp + andq $PMD_PAGE_MASK, %rbp movq %rbp, %rbx #else movq $CONFIG_PHYSICAL_START, %rbp diff --git a/arch/x86/boot/cpu.c b/arch/x86/boot/cpu.c index 2a5c32da5852..00e19edd852c 100644 --- a/arch/x86/boot/cpu.c +++ b/arch/x86/boot/cpu.c @@ -1,7 +1,7 @@ /* -*- linux-c -*- ------------------------------------------------------- * * * Copyright (C) 1991, 1992 Linus Torvalds - * Copyright 2007 rPath, Inc. - All Rights Reserved + * Copyright 2007-2008 rPath, Inc. - All Rights Reserved * * This file is part of the Linux kernel, and is made available under * the terms of the GNU General Public License version 2. @@ -9,7 +9,7 @@ * ----------------------------------------------------------------------- */ /* - * arch/i386/boot/cpu.c + * arch/x86/boot/cpu.c * * Check for obligatory CPU features and abort if the features are not * present. @@ -19,6 +19,8 @@ #include "bitops.h" #include <asm/cpufeature.h> +#include "cpustr.h" + static char *cpu_name(int level) { static char buf[6]; @@ -35,6 +37,7 @@ int validate_cpu(void) { u32 *err_flags; int cpu_level, req_level; + const unsigned char *msg_strs; check_cpu(&cpu_level, &req_level, &err_flags); @@ -51,13 +54,26 @@ int validate_cpu(void) puts("This kernel requires the following features " "not present on the CPU:\n"); + msg_strs = (const unsigned char *)x86_cap_strs; + for (i = 0; i < NCAPINTS; i++) { u32 e = err_flags[i]; for (j = 0; j < 32; j++) { - if (e & 1) - printf("%d:%d ", i, j); - + int n = (i << 5)+j; + if (*msg_strs < n) { + /* Skip to the next string */ + do { + msg_strs++; + } while (*msg_strs); + msg_strs++; + } + if (e & 1) { + if (*msg_strs == n && msg_strs[1]) + printf("%s ", msg_strs+1); + else + printf("%d:%d ", i, j); + } e >>= 1; } } diff --git a/arch/x86/boot/mkcpustr.c b/arch/x86/boot/mkcpustr.c new file mode 100644 index 000000000000..bbe76953bae9 --- /dev/null +++ b/arch/x86/boot/mkcpustr.c @@ -0,0 +1,49 @@ +/* ----------------------------------------------------------------------- * + * + * Copyright 2008 rPath, Inc. - All Rights Reserved + * + * This file is part of the Linux kernel, and is made available under + * the terms of the GNU General Public License version 2 or (at your + * option) any later version; incorporated herein by reference. + * + * ----------------------------------------------------------------------- */ + +/* + * This is a host program to preprocess the CPU strings into a + * compact format suitable for the setup code. + */ + +#include <stdio.h> + +#include "../kernel/cpu/feature_names.c" + +#if NCAPFLAGS > 8 +# error "Need to adjust the boot code handling of CPUID strings" +#endif + +int main(void) +{ + int i; + const char *str; + + printf("static const char x86_cap_strs[] = \n"); + + for (i = 0; i < NCAPINTS*32; i++) { + str = x86_cap_flags[i]; + + if (i == NCAPINTS*32-1) { + /* The last entry must be unconditional; this + also consumes the compiler-added null character */ + if (!str) + str = ""; + printf("\t\"\\x%02x\"\"%s\"\n", i, str); + } else if (str) { + printf("#if REQUIRED_MASK%d & (1 << %d)\n" + "\t\"\\x%02x\"\"%s\\0\"\n" + "#endif\n", + i >> 5, i & 31, i, str); + } + } + printf("\t;\n"); + return 0; +} diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 6f813009d44b..21dc1a061bf1 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -37,7 +37,8 @@ obj-$(CONFIG_X86_MSR) += msr.o obj-$(CONFIG_X86_CPUID) += cpuid.o obj-$(CONFIG_MICROCODE) += microcode.o obj-$(CONFIG_PCI) += early-quirks.o -obj-$(CONFIG_APM) += apm_32.o +apm-y := apm_32.o +obj-$(CONFIG_APM) += apm.o obj-$(CONFIG_X86_SMP) += smp_$(BITS).o smpboot_$(BITS).o tsc_sync.o obj-$(CONFIG_X86_32_SMP) += smpcommon_32.o obj-$(CONFIG_X86_64_SMP) += smp_64.o smpboot_64.o tsc_sync.o @@ -74,7 +75,8 @@ ifdef CONFIG_INPUT_PCSPKR obj-y += pcspeaker.o endif -obj-$(CONFIG_SCx200) += scx200_32.o +obj-$(CONFIG_SCx200) += scx200.o +scx200-y += scx200_32.o ### # 64 bit specific files diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile index cfdb2f3bd763..a0c4d7c5dbd7 100644 --- a/arch/x86/kernel/cpu/Makefile +++ b/arch/x86/kernel/cpu/Makefile @@ -3,6 +3,7 @@ # obj-y := intel_cacheinfo.o addon_cpuid_features.o +obj-y += feature_names.o obj-$(CONFIG_X86_32) += common.o proc.o bugs.o obj-$(CONFIG_X86_32) += amd.o diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index b7b2142b58e7..d9313d9adced 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -623,16 +623,6 @@ cpumask_t cpu_initialized __cpuinitdata = CPU_MASK_NONE; * They will insert themselves into the cpu_devs structure. * Then, when cpu_init() is called, we can just iterate over that array. */ - -extern int intel_cpu_init(void); -extern int cyrix_init_cpu(void); -extern int nsc_init_cpu(void); -extern int amd_init_cpu(void); -extern int centaur_init_cpu(void); -extern int transmeta_init_cpu(void); -extern int nexgen_init_cpu(void); -extern int umc_init_cpu(void); - void __init early_cpu_init(void) { intel_cpu_init(); diff --git a/arch/x86/kernel/cpu/cpu.h b/arch/x86/kernel/cpu/cpu.h index ad6527a5beb1..e0b38c33d842 100644 --- a/arch/x86/kernel/cpu/cpu.h +++ b/arch/x86/kernel/cpu/cpu.h @@ -27,3 +27,12 @@ extern void display_cacheinfo(struct cpuinfo_x86 *c); extern void early_init_intel(struct cpuinfo_x86 *c); extern void early_init_amd(struct cpuinfo_x86 *c); +/* Specific CPU type init functions */ +int intel_cpu_init(void); +int amd_init_cpu(void); +int cyrix_init_cpu(void); +int nsc_init_cpu(void); +int centaur_init_cpu(void); +int transmeta_init_cpu(void); +int nexgen_init_cpu(void); +int umc_init_cpu(void); diff --git a/arch/x86/kernel/cpu/feature_names.c b/arch/x86/kernel/cpu/feature_names.c new file mode 100644 index 000000000000..ee975ac6bbcb --- /dev/null +++ b/arch/x86/kernel/cpu/feature_names.c @@ -0,0 +1,83 @@ +/* + * Strings for the various x86 capability flags. + * + * This file must not contain any executable code. + */ + +#include "asm/cpufeature.h" + +/* + * These flag bits must match the definitions in <asm/cpufeature.h>. + * NULL means this bit is undefined or reserved; either way it doesn't + * have meaning as far as Linux is concerned. Note that it's important + * to realize there is a difference between this table and CPUID -- if + * applications want to get the raw CPUID data, they should access + * /dev/cpu/<cpu_nr>/cpuid instead. + */ +const char * const x86_cap_flags[NCAPINTS*32] = { + /* Intel-defined */ + "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce", + "cx8", "apic", NULL, "sep", "mtrr", "pge", "mca", "cmov", + "pat", "pse36", "pn", "clflush", NULL, "dts", "acpi", "mmx", + "fxsr", "sse", "sse2", "ss", "ht", "tm", "ia64", "pbe", + + /* AMD-defined */ + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, "syscall", NULL, NULL, NULL, NULL, + NULL, NULL, NULL, "mp", "nx", NULL, "mmxext", NULL, + NULL, "fxsr_opt", "pdpe1gb", "rdtscp", NULL, "lm", + "3dnowext", "3dnow", + + /* Transmeta-defined */ + "recovery", "longrun", NULL, "lrti", NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + + /* Other (Linux-defined) */ + "cxmmx", "k6_mtrr", "cyrix_arr", "centaur_mcr", + NULL, NULL, NULL, NULL, + "constant_tsc", "up", NULL, "arch_perfmon", + "pebs", "bts", NULL, NULL, + "rep_good", NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + + /* Intel-defined (#2) */ + "pni", NULL, NULL, "monitor", "ds_cpl", "vmx", "smx", "est", + "tm2", "ssse3", "cid", NULL, NULL, "cx16", "xtpr", NULL, + NULL, NULL, "dca", "sse4_1", "sse4_2", NULL, NULL, "popcnt", + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + + /* VIA/Cyrix/Centaur-defined */ + NULL, NULL, "rng", "rng_en", NULL, NULL, "ace", "ace_en", + "ace2", "ace2_en", "phe", "phe_en", "pmm", "pmm_en", NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + + /* AMD-defined (#2) */ + "lahf_lm", "cmp_legacy", "svm", "extapic", + "cr8_legacy", "abm", "sse4a", "misalignsse", + "3dnowprefetch", "osvw", "ibs", "sse5", + "skinit", "wdt", NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + + /* Auxiliary (Linux-defined) */ + "ida", NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, +}; + +const char *const x86_power_flags[32] = { + "ts", /* temperature sensor */ + "fid", /* frequency id control */ + "vid", /* voltage id control */ + "ttp", /* thermal trip */ + "tm", + "stc", + "100mhzsteps", + "hwpstate", + "", /* tsc invariant mapped to constant_tsc */ + /* nothing */ +}; diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index d1c372b018db..fae31ce747bd 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -13,6 +13,7 @@ #include <asm/uaccess.h> #include <asm/ptrace.h> #include <asm/ds.h> +#include <asm/bugs.h> #include "cpu.h" diff --git a/arch/x86/kernel/cpu/mtrr/cyrix.c b/arch/x86/kernel/cpu/mtrr/cyrix.c index 8e139c70f888..ff14c320040c 100644 --- a/arch/x86/kernel/cpu/mtrr/cyrix.c +++ b/arch/x86/kernel/cpu/mtrr/cyrix.c @@ -7,8 +7,6 @@ #include <asm/processor-flags.h> #include "mtrr.h" -int arr3_protected; - static void cyrix_get_arr(unsigned int reg, unsigned long *base, unsigned long *size, mtrr_type * type) @@ -99,8 +97,6 @@ cyrix_get_free_region(unsigned long base, unsigned long size, int replace_reg) case 4: return replace_reg; case 3: - if (arr3_protected) - break; case 2: case 1: case 0: @@ -115,8 +111,6 @@ cyrix_get_free_region(unsigned long base, unsigned long size, int replace_reg) } else { for (i = 0; i < 7; i++) { cyrix_get_arr(i, &lbase, &lsize, <ype); - if ((i == 3) && arr3_protected) - continue; if (lsize == 0) return i; } @@ -260,107 +254,6 @@ static void cyrix_set_all(void) post_set(); } -#if 0 -/* - * On Cyrix 6x86(MX) and M II the ARR3 is special: it has connection - * with the SMM (System Management Mode) mode. So we need the following: - * Check whether SMI_LOCK (CCR3 bit 0) is set - * if it is set, write a warning message: ARR3 cannot be changed! - * (it cannot be changed until the next processor reset) - * if it is reset, then we can change it, set all the needed bits: - * - disable access to SMM memory through ARR3 range (CCR1 bit 7 reset) - * - disable access to SMM memory (CCR1 bit 2 reset) - * - disable SMM mode (CCR1 bit 1 reset) - * - disable write protection of ARR3 (CCR6 bit 1 reset) - * - (maybe) disable ARR3 - * Just to be sure, we enable ARR usage by the processor (CCR5 bit 5 set) - */ -static void __init -cyrix_arr_init(void) -{ - struct set_mtrr_context ctxt; - unsigned char ccr[7]; - int ccrc[7] = { 0, 0, 0, 0, 0, 0, 0 }; -#ifdef CONFIG_SMP - int i; -#endif - - /* flush cache and enable MAPEN */ - set_mtrr_prepare_save(&ctxt); - set_mtrr_cache_disable(&ctxt); - - /* Save all CCRs locally */ - ccr[0] = getCx86(CX86_CCR0); - ccr[1] = getCx86(CX86_CCR1); - ccr[2] = getCx86(CX86_CCR2); - ccr[3] = ctxt.ccr3; - ccr[4] = getCx86(CX86_CCR4); - ccr[5] = getCx86(CX86_CCR5); - ccr[6] = getCx86(CX86_CCR6); - - if (ccr[3] & 1) { - ccrc[3] = 1; - arr3_protected = 1; - } else { - /* Disable SMM mode (bit 1), access to SMM memory (bit 2) and - * access to SMM memory through ARR3 (bit 7). - */ - if (ccr[1] & 0x80) { - ccr[1] &= 0x7f; - ccrc[1] |= 0x80; - } - if (ccr[1] & 0x04) { - ccr[1] &= 0xfb; - ccrc[1] |= 0x04; - } - if (ccr[1] & 0x02) { - ccr[1] &= 0xfd; - ccrc[1] |= 0x02; - } - arr3_protected = 0; - if (ccr[6] & 0x02) { - ccr[6] &= 0xfd; - ccrc[6] = 1; /* Disable write protection of ARR3 */ - setCx86(CX86_CCR6, ccr[6]); - } - /* Disable ARR3. This is safe now that we disabled SMM. */ - /* cyrix_set_arr_up (3, 0, 0, 0, FALSE); */ - } - /* If we changed CCR1 in memory, change it in the processor, too. */ - if (ccrc[1]) - setCx86(CX86_CCR1, ccr[1]); - - /* Enable ARR usage by the processor */ - if (!(ccr[5] & 0x20)) { - ccr[5] |= 0x20; - ccrc[5] = 1; - setCx86(CX86_CCR5, ccr[5]); - } -#ifdef CONFIG_SMP - for (i = 0; i < 7; i++) - ccr_state[i] = ccr[i]; - for (i = 0; i < 8; i++) - cyrix_get_arr(i, - &arr_state[i].base, &arr_state[i].size, - &arr_state[i].type); -#endif - - set_mtrr_done(&ctxt); /* flush cache and disable MAPEN */ - - if (ccrc[5]) - printk(KERN_INFO "mtrr: ARR usage was not enabled, enabled manually\n"); - if (ccrc[3]) - printk(KERN_INFO "mtrr: ARR3 cannot be changed\n"); -/* - if ( ccrc[1] & 0x80) printk ("mtrr: SMM memory access through ARR3 disabled\n"); - if ( ccrc[1] & 0x04) printk ("mtrr: SMM memory access disabled\n"); - if ( ccrc[1] & 0x02) printk ("mtrr: SMM mode disabled\n"); -*/ - if (ccrc[6]) - printk(KERN_INFO "mtrr: ARR3 was write protected, unprotected\n"); -} -#endif - static struct mtrr_ops cyrix_mtrr_ops = { .vendor = X86_VENDOR_CYRIX, // .init = cyrix_arr_init, diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c index 715919582657..1e27b69a7a0e 100644 --- a/arch/x86/kernel/cpu/mtrr/main.c +++ b/arch/x86/kernel/cpu/mtrr/main.c @@ -59,12 +59,6 @@ struct mtrr_ops * mtrr_if = NULL; static void set_mtrr(unsigned int reg, unsigned long base, unsigned long size, mtrr_type type); -#ifndef CONFIG_X86_64 -extern int arr3_protected; -#else -#define arr3_protected 0 -#endif - void set_mtrr_ops(struct mtrr_ops * ops) { if (ops->vendor && ops->vendor < X86_VENDOR_NUM) @@ -513,12 +507,6 @@ int mtrr_del_page(int reg, unsigned long base, unsigned long size) printk(KERN_WARNING "mtrr: register: %d too big\n", reg); goto out; } - if (is_cpu(CYRIX) && !use_intel()) { - if ((reg == 3) && arr3_protected) { - printk(KERN_WARNING "mtrr: ARR3 cannot be changed\n"); - goto out; - } - } mtrr_if->get(reg, &lbase, &lsize, <ype); if (lsize < 1) { printk(KERN_WARNING "mtrr: MTRR %d not used\n", reg); @@ -566,10 +554,6 @@ EXPORT_SYMBOL(mtrr_del); * These should be called implicitly, but we can't yet until all the initcall * stuff is done... */ -extern void amd_init_mtrr(void); -extern void cyrix_init_mtrr(void); -extern void centaur_init_mtrr(void); - static void __init init_ifs(void) { #ifndef CONFIG_X86_64 diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.h b/arch/x86/kernel/cpu/mtrr/mtrr.h index fb74a2c20814..2cc77eb6fea3 100644 --- a/arch/x86/kernel/cpu/mtrr/mtrr.h +++ b/arch/x86/kernel/cpu/mtrr/mtrr.h @@ -97,3 +97,7 @@ void mtrr_state_warn(void); const char *mtrr_attrib_to_str(int x); void mtrr_wrmsr(unsigned, unsigned, unsigned); +/* CPU specific mtrr init functions */ +int amd_init_mtrr(void); +int cyrix_init_mtrr(void); +int centaur_init_mtrr(void); diff --git a/arch/x86/kernel/cpu/proc.c b/arch/x86/kernel/cpu/proc.c index 028213260148..af11d31dce0a 100644 --- a/arch/x86/kernel/cpu/proc.c +++ b/arch/x86/kernel/cpu/proc.c @@ -10,80 +10,6 @@ */ static int show_cpuinfo(struct seq_file *m, void *v) { - /* - * These flag bits must match the definitions in <asm/cpufeature.h>. - * NULL means this bit is undefined or reserved; either way it doesn't - * have meaning as far as Linux is concerned. Note that it's important - * to realize there is a difference between this table and CPUID -- if - * applications want to get the raw CPUID data, they should access - * /dev/cpu/<cpu_nr>/cpuid instead. - */ - static const char * const x86_cap_flags[] = { - /* Intel-defined */ - "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce", - "cx8", "apic", NULL, "sep", "mtrr", "pge", "mca", "cmov", - "pat", "pse36", "pn", "clflush", NULL, "dts", "acpi", "mmx", - "fxsr", "sse", "sse2", "ss", "ht", "tm", "ia64", "pbe", - - /* AMD-defined */ - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, "syscall", NULL, NULL, NULL, NULL, - NULL, NULL, NULL, "mp", "nx", NULL, "mmxext", NULL, - NULL, "fxsr_opt", "pdpe1gb", "rdtscp", NULL, "lm", - "3dnowext", "3dnow", - - /* Transmeta-defined */ - "recovery", "longrun", NULL, "lrti", NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - - /* Other (Linux-defined) */ - "cxmmx", "k6_mtrr", "cyrix_arr", "centaur_mcr", - NULL, NULL, NULL, NULL, - "constant_tsc", "up", NULL, "arch_perfmon", - "pebs", "bts", NULL, "sync_rdtsc", - "rep_good", NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - - /* Intel-defined (#2) */ - "pni", NULL, NULL, "monitor", "ds_cpl", "vmx", "smx", "est", - "tm2", "ssse3", "cid", NULL, NULL, "cx16", "xtpr", NULL, - NULL, NULL, "dca", "sse4_1", "sse4_2", NULL, NULL, "popcnt", - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - - /* VIA/Cyrix/Centaur-defined */ - NULL, NULL, "rng", "rng_en", NULL, NULL, "ace", "ace_en", - "ace2", "ace2_en", "phe", "phe_en", "pmm", "pmm_en", NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - - /* AMD-defined (#2) */ - "lahf_lm", "cmp_legacy", "svm", "extapic", - "cr8_legacy", "abm", "sse4a", "misalignsse", - "3dnowprefetch", "osvw", "ibs", "sse5", - "skinit", "wdt", NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - - /* Auxiliary (Linux-defined) */ - "ida", NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - }; - static const char * const x86_power_flags[] = { - "ts", /* temperature sensor */ - "fid", /* frequency id control */ - "vid", /* voltage id control */ - "ttp", /* thermal trip */ - "tm", - "stc", - "100mhzsteps", - "hwpstate", - "", /* constant_tsc - moved to flags */ - /* nothing */ - }; struct cpuinfo_x86 *c = v; int i, n = 0; int fpu_exception; diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c index a63432d800f9..288e7a6598ac 100644 --- a/arch/x86/kernel/cpuid.c +++ b/arch/x86/kernel/cpuid.c @@ -1,6 +1,6 @@ /* ----------------------------------------------------------------------- * - * - * Copyright 2000 H. Peter Anvin - All Rights Reserved + * + * Copyright 2000-2008 H. Peter Anvin - All Rights Reserved * * 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 @@ -17,6 +17,10 @@ * and then read in chunks of 16 bytes. A larger size means multiple * reads of consecutive levels. * + * The lower 32 bits of the file position is used as the incoming %eax, + * and the upper 32 bits of the file position as the incoming %ecx, + * the latter intended for "counting" eax levels like eax=4. + * * This driver uses /dev/cpu/%d/cpuid where %d is the minor number, and on * an SMP box will direct the access to CPU %d. */ @@ -43,35 +47,24 @@ static struct class *cpuid_class; -struct cpuid_command { - u32 reg; - u32 *data; +struct cpuid_regs { + u32 eax, ebx, ecx, edx; }; static void cpuid_smp_cpuid(void *cmd_block) { - struct cpuid_command *cmd = cmd_block; - - cpuid(cmd->reg, &cmd->data[0], &cmd->data[1], &cmd->data[2], - &cmd->data[3]); -} - -static inline void do_cpuid(int cpu, u32 reg, u32 * data) -{ - struct cpuid_command cmd; - - cmd.reg = reg; - cmd.data = data; + struct cpuid_regs *cmd = (struct cpuid_regs *)cmd_block; - smp_call_function_single(cpu, cpuid_smp_cpuid, &cmd, 1, 1); + cpuid_count(cmd->eax, cmd->ecx, + &cmd->eax, &cmd->ebx, &cmd->ecx, &cmd->edx); } static loff_t cpuid_seek(struct file *file, loff_t offset, int orig) { loff_t ret; + struct inode *inode = file->f_mapping->host; - lock_kernel(); - + mutex_lock(&inode->i_mutex); switch (orig) { case 0: file->f_pos = offset; @@ -84,8 +77,7 @@ static loff_t cpuid_seek(struct file *file, loff_t offset, int orig) default: ret = -EINVAL; } - - unlock_kernel(); + mutex_unlock(&inode->i_mutex); return ret; } @@ -93,19 +85,21 @@ static ssize_t cpuid_read(struct file *file, char __user *buf, size_t count, loff_t * ppos) { char __user *tmp = buf; - u32 data[4]; - u32 reg = *ppos; + struct cpuid_regs cmd; int cpu = iminor(file->f_path.dentry->d_inode); + u64 pos = *ppos; if (count % 16) return -EINVAL; /* Invalid chunk size */ for (; count; count -= 16) { - do_cpuid(cpu, reg, data); - if (copy_to_user(tmp, &data, 16)) + cmd.eax = pos; + cmd.ecx = pos >> 32; + smp_call_function_single(cpu, cpuid_smp_cpuid, &cmd, 1, 1); + if (copy_to_user(tmp, &cmd, 16)) return -EFAULT; tmp += 16; - *ppos = reg++; + *ppos = ++pos; } return tmp - buf; @@ -193,7 +187,7 @@ static int __init cpuid_init(void) } for_each_online_cpu(i) { err = cpuid_device_create(i); - if (err != 0) + if (err != 0) goto out_class; } register_hotcpu_notifier(&cpuid_class_cpu_notifier); @@ -208,7 +202,7 @@ out_class: } class_destroy(cpuid_class); out_chrdev: - unregister_chrdev(CPUID_MAJOR, "cpu/cpuid"); + unregister_chrdev(CPUID_MAJOR, "cpu/cpuid"); out: return err; } diff --git a/arch/x86/kernel/efi.c b/arch/x86/kernel/efi.c index 1411324a625c..32dd62b36ff7 100644 --- a/arch/x86/kernel/efi.c +++ b/arch/x86/kernel/efi.c @@ -379,11 +379,9 @@ void __init efi_init(void) #endif } -#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) static void __init runtime_code_page_mkexec(void) { efi_memory_desc_t *md; - unsigned long end; void *p; if (!(__supported_pte_mask & _PAGE_NX)) @@ -392,18 +390,13 @@ static void __init runtime_code_page_mkexec(void) /* Make EFI runtime service code area executable */ for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) { md = p; - end = md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT); - if (md->type == EFI_RUNTIME_SERVICES_CODE && - (end >> PAGE_SHIFT) <= max_pfn_mapped) { - set_memory_x(md->virt_addr, md->num_pages); - set_memory_uc(md->virt_addr, md->num_pages); - } + + if (md->type != EFI_RUNTIME_SERVICES_CODE) + continue; + + set_memory_x(md->virt_addr, md->num_pages << EFI_PAGE_SHIFT); } - __flush_tlb_all(); } -#else -static inline void __init runtime_code_page_mkexec(void) { } -#endif /* * This function will switch the EFI runtime services to virtual mode. @@ -417,30 +410,40 @@ void __init efi_enter_virtual_mode(void) { efi_memory_desc_t *md; efi_status_t status; - unsigned long end; - void *p; + unsigned long size; + u64 end, systab; + void *p, *va; efi.systab = NULL; for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) { md = p; if (!(md->attribute & EFI_MEMORY_RUNTIME)) continue; - end = md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT); - if ((md->attribute & EFI_MEMORY_WB) && - ((end >> PAGE_SHIFT) <= max_pfn_mapped)) - md->virt_addr = (unsigned long)__va(md->phys_addr); + + size = md->num_pages << EFI_PAGE_SHIFT; + end = md->phys_addr + size; + + if ((end >> PAGE_SHIFT) <= max_pfn_mapped) + va = __va(md->phys_addr); else - md->virt_addr = (unsigned long) - efi_ioremap(md->phys_addr, - md->num_pages << EFI_PAGE_SHIFT); - if (!md->virt_addr) + va = efi_ioremap(md->phys_addr, size); + + if (md->attribute & EFI_MEMORY_WB) + set_memory_uc(md->virt_addr, size); + + md->virt_addr = (u64) (unsigned long) va; + + if (!va) { printk(KERN_ERR PFX "ioremap of 0x%llX failed!\n", (unsigned long long)md->phys_addr); - if ((md->phys_addr <= (unsigned long)efi_phys.systab) && - ((unsigned long)efi_phys.systab < end)) - efi.systab = (efi_system_table_t *)(unsigned long) - (md->virt_addr - md->phys_addr + - (unsigned long)efi_phys.systab); + continue; + } + + systab = (u64) (unsigned long) efi_phys.systab; + if (md->phys_addr <= systab && systab < end) { + systab += md->virt_addr - md->phys_addr; + efi.systab = (efi_system_table_t *) (unsigned long) systab; + } } BUG_ON(!efi.systab); diff --git a/arch/x86/kernel/efi_64.c b/arch/x86/kernel/efi_64.c index 674f2379480f..09d5c2330934 100644 --- a/arch/x86/kernel/efi_64.c +++ b/arch/x86/kernel/efi_64.c @@ -54,10 +54,10 @@ static void __init early_mapping_set_exec(unsigned long start, else set_pte(kpte, __pte((pte_val(*kpte) | _PAGE_NX) & \ __supported_pte_mask)); - if (level == 4) - start = (start + PMD_SIZE) & PMD_MASK; - else + if (level == PG_LEVEL_4K) start = (start + PAGE_SIZE) & PAGE_MASK; + else + start = (start + PMD_SIZE) & PMD_MASK; } } @@ -109,23 +109,23 @@ void __init efi_reserve_bootmem(void) memmap.nr_map * memmap.desc_size); } -void __iomem * __init efi_ioremap(unsigned long offset, - unsigned long size) +void __iomem * __init efi_ioremap(unsigned long phys_addr, unsigned long size) { static unsigned pages_mapped; - unsigned long last_addr; unsigned i, pages; - last_addr = offset + size - 1; - offset &= PAGE_MASK; - pages = (PAGE_ALIGN(last_addr) - offset) >> PAGE_SHIFT; + /* phys_addr and size must be page aligned */ + if ((phys_addr & ~PAGE_MASK) || (size & ~PAGE_MASK)) + return NULL; + + pages = size >> PAGE_SHIFT; if (pages_mapped + pages > MAX_EFI_IO_PAGES) return NULL; for (i = 0; i < pages; i++) { __set_fixmap(FIX_EFI_IO_MAP_FIRST_PAGE - pages_mapped, - offset, PAGE_KERNEL_EXEC_NOCACHE); - offset += PAGE_SIZE; + phys_addr, PAGE_KERNEL); + phys_addr += PAGE_SIZE; pages_mapped++; } diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index 1d5a7a361200..4f283ad215ec 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -63,7 +63,7 @@ startup_64: /* Is the address not 2M aligned? */ movq %rbp, %rax - andl $~LARGE_PAGE_MASK, %eax + andl $~PMD_PAGE_MASK, %eax testl %eax, %eax jnz bad_address @@ -88,7 +88,7 @@ startup_64: /* Add an Identity mapping if I am above 1G */ leaq _text(%rip), %rdi - andq $LARGE_PAGE_MASK, %rdi + andq $PMD_PAGE_MASK, %rdi movq %rdi, %rax shrq $PUD_SHIFT, %rax diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c index 8a7660c8394a..0224c3637c73 100644 --- a/arch/x86/kernel/ldt.c +++ b/arch/x86/kernel/ldt.c @@ -35,7 +35,8 @@ static int alloc_ldt(mm_context_t *pc, int mincount, int reload) if (mincount <= pc->size) return 0; oldsize = pc->size; - mincount = (mincount + 511) & (~511); + mincount = (mincount + (PAGE_SIZE / LDT_ENTRY_SIZE - 1)) & + (~(PAGE_SIZE / LDT_ENTRY_SIZE - 1)); if (mincount * LDT_ENTRY_SIZE > PAGE_SIZE) newldt = vmalloc(mincount * LDT_ENTRY_SIZE); else diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c index bd82850e6519..af51ea8400b2 100644 --- a/arch/x86/kernel/msr.c +++ b/arch/x86/kernel/msr.c @@ -1,6 +1,6 @@ /* ----------------------------------------------------------------------- * - * - * Copyright 2000 H. Peter Anvin - All Rights Reserved + * + * Copyright 2000-2008 H. Peter Anvin - All Rights Reserved * * 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 @@ -45,9 +45,10 @@ static struct class *msr_class; static loff_t msr_seek(struct file *file, loff_t offset, int orig) { - loff_t ret = -EINVAL; + loff_t ret; + struct inode *inode = file->f_mapping->host; - lock_kernel(); + mutex_lock(&inode->i_mutex); switch (orig) { case 0: file->f_pos = offset; @@ -56,8 +57,11 @@ static loff_t msr_seek(struct file *file, loff_t offset, int orig) case 1: file->f_pos += offset; ret = file->f_pos; + break; + default: + ret = -EINVAL; } - unlock_kernel(); + mutex_unlock(&inode->i_mutex); return ret; } diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c index 4d5cc7181982..845cbecd68e9 100644 --- a/arch/x86/kernel/pci-gart_64.c +++ b/arch/x86/kernel/pci-gart_64.c @@ -501,7 +501,7 @@ static __init unsigned long check_iommu_size(unsigned long aper, u64 aper_size) } a = aper + iommu_size; - iommu_size -= round_up(a, LARGE_PAGE_SIZE) - a; + iommu_size -= round_up(a, PMD_PAGE_SIZE) - a; if (iommu_size < 64*1024*1024) { printk(KERN_WARNING @@ -731,7 +731,8 @@ void __init gart_iommu_init(void) * the backing memory. The GART address is only used by PCI * devices. */ - clear_kernel_mapping((unsigned long)__va(iommu_bus_base), iommu_size); + set_memory_np((unsigned long)__va(iommu_bus_base), + iommu_size >> PAGE_SHIFT); /* * Try to workaround a bug (thanks to BenH) diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 968371ab223a..dabdbeff1f77 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -251,7 +251,7 @@ void cpu_idle_wait(void) * because it has nothing to do. * Give all the remaining CPUS a kick. */ - smp_call_function_mask(map, do_nothing, 0, 0); + smp_call_function_mask(map, do_nothing, NULL, 0); } while (!cpus_empty(map)); set_cpus_allowed(current, tmp); diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c index 18df70c534b9..c8939dfddfba 100644 --- a/arch/x86/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c @@ -1068,82 +1068,6 @@ static int show_cpuinfo(struct seq_file *m, void *v) struct cpuinfo_x86 *c = v; int cpu = 0, i; - /* - * These flag bits must match the definitions in <asm/cpufeature.h>. - * NULL means this bit is undefined or reserved; either way it doesn't - * have meaning as far as Linux is concerned. Note that it's important - * to realize there is a difference between this table and CPUID -- if - * applications want to get the raw CPUID data, they should access - * /dev/cpu/<cpu_nr>/cpuid instead. - */ - static const char *const x86_cap_flags[] = { - /* Intel-defined */ - "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce", - "cx8", "apic", NULL, "sep", "mtrr", "pge", "mca", "cmov", - "pat", "pse36", "pn", "clflush", NULL, "dts", "acpi", "mmx", - "fxsr", "sse", "sse2", "ss", "ht", "tm", "ia64", "pbe", - - /* AMD-defined */ - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, "syscall", NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, "nx", NULL, "mmxext", NULL, - NULL, "fxsr_opt", "pdpe1gb", "rdtscp", NULL, "lm", - "3dnowext", "3dnow", - - /* Transmeta-defined */ - "recovery", "longrun", NULL, "lrti", NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - - /* Other (Linux-defined) */ - "cxmmx", "k6_mtrr", "cyrix_arr", "centaur_mcr", - NULL, NULL, NULL, NULL, - "constant_tsc", "up", NULL, "arch_perfmon", - "pebs", "bts", NULL, "sync_rdtsc", - "rep_good", NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - - /* Intel-defined (#2) */ - "pni", NULL, NULL, "monitor", "ds_cpl", "vmx", "smx", "est", - "tm2", "ssse3", "cid", NULL, NULL, "cx16", "xtpr", NULL, - NULL, NULL, "dca", "sse4_1", "sse4_2", NULL, NULL, "popcnt", - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - - /* VIA/Cyrix/Centaur-defined */ - NULL, NULL, "rng", "rng_en", NULL, NULL, "ace", "ace_en", - "ace2", "ace2_en", "phe", "phe_en", "pmm", "pmm_en", NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - - /* AMD-defined (#2) */ - "lahf_lm", "cmp_legacy", "svm", "extapic", - "cr8_legacy", "abm", "sse4a", "misalignsse", - "3dnowprefetch", "osvw", "ibs", "sse5", - "skinit", "wdt", NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - - /* Auxiliary (Linux-defined) */ - "ida", NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - }; - static const char *const x86_power_flags[] = { - "ts", /* temperature sensor */ - "fid", /* frequency id control */ - "vid", /* voltage id control */ - "ttp", /* thermal trip */ - "tm", - "stc", - "100mhzsteps", - "hwpstate", - "", /* tsc invariant mapped to constant_tsc */ - /* nothing */ - }; - - #ifdef CONFIG_SMP cpu = c->cpu_index; #endif diff --git a/arch/x86/kernel/test_nx.c b/arch/x86/kernel/test_nx.c index ae0ef2e304c7..36c100c323aa 100644 --- a/arch/x86/kernel/test_nx.c +++ b/arch/x86/kernel/test_nx.c @@ -12,6 +12,7 @@ #include <linux/module.h> #include <linux/sort.h> #include <asm/uaccess.h> +#include <asm/asm.h> extern int rodata_test_data; @@ -89,16 +90,7 @@ static noinline int test_address(void *address) "2: mov %[zero], %[rslt]\n" " ret\n" ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 8\n" -#ifdef CONFIG_X86_32 - " .long 0b\n" - " .long 2b\n" -#else - " .quad 0b\n" - " .quad 2b\n" -#endif - ".previous\n" + _ASM_EXTABLE(0b,2b) : [rslt] "=r" (result) : [fake_code] "r" (address), [zero] "r" (0UL), "0" (result) ); diff --git a/arch/x86/kernel/trampoline_32.S b/arch/x86/kernel/trampoline_32.S index 9bcc1c6aca3d..64580679861e 100644 --- a/arch/x86/kernel/trampoline_32.S +++ b/arch/x86/kernel/trampoline_32.S @@ -11,12 +11,7 @@ * trampoline page to make our stack and everything else * is a mystery. * - * In fact we don't actually need a stack so we don't - * set one up. - * - * We jump into the boot/compressed/head.S code. So you'd - * better be running a compressed kernel image or you - * won't get very far. + * We jump into arch/x86/kernel/head_32.S. * * On entry to trampoline_data, the processor is in real mode * with 16-bit addressing and 16-bit data. CS has some value diff --git a/arch/x86/kernel/trampoline_64.S b/arch/x86/kernel/trampoline_64.S index e30b67c6a9f5..4aedd0bcee4c 100644 --- a/arch/x86/kernel/trampoline_64.S +++ b/arch/x86/kernel/trampoline_64.S @@ -10,9 +10,6 @@ * trampoline page to make our stack and everything else * is a mystery. * - * In fact we don't actually need a stack so we don't - * set one up. - * * On entry to trampoline_data, the processor is in real mode * with 16-bit addressing and 16-bit data. CS has some value * and IP is zero. Thus, data addresses need to be absolute diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c index 4525bc2c2e19..12affe1f9bce 100644 --- a/arch/x86/kernel/vmi_32.c +++ b/arch/x86/kernel/vmi_32.c @@ -220,21 +220,21 @@ static void vmi_set_tr(void) static void vmi_write_idt_entry(gate_desc *dt, int entry, const gate_desc *g) { u32 *idt_entry = (u32 *)g; - vmi_ops.write_idt_entry(dt, entry, idt_entry[0], idt_entry[2]); + vmi_ops.write_idt_entry(dt, entry, idt_entry[0], idt_entry[1]); } static void vmi_write_gdt_entry(struct desc_struct *dt, int entry, const void *desc, int type) { u32 *gdt_entry = (u32 *)desc; - vmi_ops.write_gdt_entry(dt, entry, gdt_entry[0], gdt_entry[2]); + vmi_ops.write_gdt_entry(dt, entry, gdt_entry[0], gdt_entry[1]); } static void vmi_write_ldt_entry(struct desc_struct *dt, int entry, const void *desc) { u32 *ldt_entry = (u32 *)desc; - vmi_ops.write_idt_entry(dt, entry, ldt_entry[0], ldt_entry[2]); + vmi_ops.write_idt_entry(dt, entry, ldt_entry[0], ldt_entry[1]); } static void vmi_load_sp0(struct tss_struct *tss, diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index c83e1c9b5129..41962e793c0f 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -53,5 +53,6 @@ config KVM_AMD # OK, it's a little counter-intuitive to do this, but it puts it neatly under # the virtualization menu. source drivers/lguest/Kconfig +source drivers/virtio/Kconfig endif # VIRTUALIZATION diff --git a/arch/x86/lib/bitops_32.c b/arch/x86/lib/bitops_32.c index afd0045595d4..b65440459859 100644 --- a/arch/x86/lib/bitops_32.c +++ b/arch/x86/lib/bitops_32.c @@ -2,7 +2,7 @@ #include <linux/module.h> /** - * find_next_bit - find the first set bit in a memory region + * find_next_bit - find the next set bit in a memory region * @addr: The address to base the search on * @offset: The bitnumber to start searching at * @size: The maximum size to search diff --git a/arch/x86/lib/bitops_64.c b/arch/x86/lib/bitops_64.c index 95b6d9639fba..0e8f491e6ccc 100644 --- a/arch/x86/lib/bitops_64.c +++ b/arch/x86/lib/bitops_64.c @@ -58,7 +58,7 @@ long find_first_zero_bit(const unsigned long * addr, unsigned long size) } /** - * find_next_zero_bit - find the first zero bit in a memory region + * find_next_zero_bit - find the next zero bit in a memory region * @addr: The address to base the search on * @offset: The bitnumber to start searching at * @size: The maximum size to search diff --git a/arch/x86/lib/mmx_32.c b/arch/x86/lib/mmx_32.c index 28084d2e8dd4..cc9b4a4450f3 100644 --- a/arch/x86/lib/mmx_32.c +++ b/arch/x86/lib/mmx_32.c @@ -4,6 +4,7 @@ #include <linux/hardirq.h> #include <linux/module.h> +#include <asm/asm.h> #include <asm/i387.h> @@ -50,10 +51,7 @@ void *_mmx_memcpy(void *to, const void *from, size_t len) "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ " jmp 2b\n" ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 1b, 3b\n" - ".previous" + _ASM_EXTABLE(1b,3b) : : "r" (from) ); @@ -81,10 +79,7 @@ void *_mmx_memcpy(void *to, const void *from, size_t len) "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ " jmp 2b\n" ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 1b, 3b\n" - ".previous" + _ASM_EXTABLE(1b,3b) : : "r" (from), "r" (to) : "memory"); from+=64; to+=64; @@ -181,10 +176,7 @@ static void fast_copy_page(void *to, void *from) "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ " jmp 2b\n" ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 1b, 3b\n" - ".previous" + _ASM_EXTABLE(1b,3b) : : "r" (from) ); for(i=0; i<(4096-320)/64; i++) @@ -211,10 +203,7 @@ static void fast_copy_page(void *to, void *from) "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ " jmp 2b\n" ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 1b, 3b\n" - ".previous" + _ASM_EXTABLE(1b,3b) : : "r" (from), "r" (to) : "memory"); from+=64; to+=64; @@ -311,10 +300,7 @@ static void fast_copy_page(void *to, void *from) "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ " jmp 2b\n" ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 1b, 3b\n" - ".previous" + _ASM_EXTABLE(1b,3b) : : "r" (from) ); for(i=0; i<4096/64; i++) @@ -341,10 +327,7 @@ static void fast_copy_page(void *to, void *from) "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ " jmp 2b\n" ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 1b, 3b\n" - ".previous" + _ASM_EXTABLE(1b,3b) : : "r" (from), "r" (to) : "memory"); from+=64; to+=64; diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c index 9c4ffd5bedb2..e849b9998b0e 100644 --- a/arch/x86/lib/usercopy_32.c +++ b/arch/x86/lib/usercopy_32.c @@ -48,10 +48,7 @@ do { \ "3: movl %5,%0\n" \ " jmp 2b\n" \ ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 0b,3b\n" \ - ".previous" \ + _ASM_EXTABLE(0b,3b) \ : "=d"(res), "=c"(count), "=&a" (__d0), "=&S" (__d1), \ "=&D" (__d2) \ : "i"(-EFAULT), "0"(count), "1"(count), "3"(src), "4"(dst) \ @@ -132,11 +129,8 @@ do { \ "3: lea 0(%2,%0,4),%0\n" \ " jmp 2b\n" \ ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 0b,3b\n" \ - " .long 1b,2b\n" \ - ".previous" \ + _ASM_EXTABLE(0b,3b) \ + _ASM_EXTABLE(1b,2b) \ : "=&c"(size), "=&D" (__d0) \ : "r"(size & 3), "0"(size / 4), "1"(addr), "a"(0)); \ } while (0) diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c index 893d43f838cc..0c89d1bb0287 100644 --- a/arch/x86/lib/usercopy_64.c +++ b/arch/x86/lib/usercopy_64.c @@ -31,10 +31,7 @@ do { \ "3: movq %5,%0\n" \ " jmp 2b\n" \ ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 8\n" \ - " .quad 0b,3b\n" \ - ".previous" \ + _ASM_EXTABLE(0b,3b) \ : "=r"(res), "=c"(count), "=&a" (__d0), "=&S" (__d1), \ "=&D" (__d2) \ : "i"(-EFAULT), "0"(count), "1"(count), "3"(src), "4"(dst) \ @@ -87,11 +84,8 @@ unsigned long __clear_user(void __user *addr, unsigned long size) "3: lea 0(%[size1],%[size8],8),%[size8]\n" " jmp 2b\n" ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 8\n" - " .quad 0b,3b\n" - " .quad 1b,2b\n" - ".previous" + _ASM_EXTABLE(0b,3b) + _ASM_EXTABLE(1b,2b) : [size8] "=c"(size), [dst] "=&D" (__d0) : [size1] "r"(size & 7), "[size8]" (size / 8), "[dst]"(addr), [zero] "r" (0UL), [eight] "r" (8UL)); diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index e4440d0abf81..ad8b9733d6b3 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -240,7 +240,8 @@ void dump_pagetable(unsigned long address) pud = pud_offset(pgd, address); if (bad_address(pud)) goto bad; printk("PUD %lx ", pud_val(*pud)); - if (!pud_present(*pud)) goto ret; + if (!pud_present(*pud) || pud_large(*pud)) + goto ret; pmd = pmd_offset(pud, address); if (bad_address(pmd)) goto bad; @@ -508,6 +509,10 @@ static int vmalloc_fault(unsigned long address) pmd_t *pmd, *pmd_ref; pte_t *pte, *pte_ref; + /* Make sure we are in vmalloc area */ + if (!(address >= VMALLOC_START && address < VMALLOC_END)) + return -1; + /* Copy kernel mappings over when needed. This can also happen within a race in page table update. In the later case just flush. */ @@ -603,6 +608,9 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) */ #ifdef CONFIG_X86_32 if (unlikely(address >= TASK_SIZE)) { +#else + if (unlikely(address >= TASK_SIZE64)) { +#endif if (!(error_code & (PF_RSVD|PF_USER|PF_PROT)) && vmalloc_fault(address) >= 0) return; @@ -618,6 +626,8 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) goto bad_area_nosemaphore; } + +#ifdef CONFIG_X86_32 /* It's safe to allow irq's after cr2 has been saved and the vmalloc fault has been handled. */ if (regs->flags & (X86_EFLAGS_IF|VM_MASK)) @@ -630,28 +640,6 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) if (in_atomic() || !mm) goto bad_area_nosemaphore; #else /* CONFIG_X86_64 */ - if (unlikely(address >= TASK_SIZE64)) { - /* - * Don't check for the module range here: its PML4 - * is always initialized because it's shared with the main - * kernel text. Only vmalloc may need PML4 syncups. - */ - if (!(error_code & (PF_RSVD|PF_USER|PF_PROT)) && - ((address >= VMALLOC_START && address < VMALLOC_END))) { - if (vmalloc_fault(address) >= 0) - return; - } - - /* Can handle a stale RO->RW TLB */ - if (spurious_fault(address, error_code)) - return; - - /* - * Don't take the mm semaphore here. If we fixup a prefetch - * fault we could otherwise deadlock. - */ - goto bad_area_nosemaphore; - } if (likely(regs->flags & X86_EFLAGS_IF)) local_irq_enable(); diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index f2f36f8dae52..d1bc04006d16 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -31,6 +31,7 @@ #include <linux/initrd.h> #include <linux/cpumask.h> +#include <asm/asm.h> #include <asm/processor.h> #include <asm/system.h> #include <asm/uaccess.h> @@ -718,10 +719,7 @@ static noinline int do_test_wp_bit(void) "1: movb %1, %0 \n" " xorl %2, %2 \n" "2: \n" - ".section __ex_table, \"a\"\n" - " .align 4 \n" - " .long 1b, 2b \n" - ".previous \n" + _ASM_EXTABLE(1b,2b) :"=m" (*(char *)fix_to_virt(FIX_WP_TEST)), "=q" (tmp_reg), "=r" (flag) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index eabcaed76c28..3a98d6f724ab 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -273,7 +273,6 @@ phys_pmd_init(pmd_t *pmd_page, unsigned long address, unsigned long end) int i = pmd_index(address); for (; i < PTRS_PER_PMD; i++, address += PMD_SIZE) { - unsigned long entry; pmd_t *pmd = pmd_page + pmd_index(address); if (address >= end) { @@ -287,9 +286,8 @@ phys_pmd_init(pmd_t *pmd_page, unsigned long address, unsigned long end) if (pmd_val(*pmd)) continue; - entry = __PAGE_KERNEL_LARGE|_PAGE_GLOBAL|address; - entry &= __supported_pte_mask; - set_pmd(pmd, __pmd(entry)); + set_pte((pte_t *)pmd, + pfn_pte(address >> PAGE_SHIFT, PAGE_KERNEL_LARGE)); } } @@ -435,49 +433,6 @@ void __init paging_init(void) #endif /* - * Unmap a kernel mapping if it exists. This is useful to avoid - * prefetches from the CPU leading to inconsistent cache lines. - * address and size must be aligned to 2MB boundaries. - * Does nothing when the mapping doesn't exist. - */ -void __init clear_kernel_mapping(unsigned long address, unsigned long size) -{ - unsigned long end = address + size; - - BUG_ON(address & ~LARGE_PAGE_MASK); - BUG_ON(size & ~LARGE_PAGE_MASK); - - for (; address < end; address += LARGE_PAGE_SIZE) { - pgd_t *pgd = pgd_offset_k(address); - pud_t *pud; - pmd_t *pmd; - - if (pgd_none(*pgd)) - continue; - - pud = pud_offset(pgd, address); - if (pud_none(*pud)) - continue; - - pmd = pmd_offset(pud, address); - if (!pmd || pmd_none(*pmd)) - continue; - - if (!(pmd_val(*pmd) & _PAGE_PSE)) { - /* - * Could handle this, but it should not happen - * currently: - */ - printk(KERN_ERR "clear_kernel_mapping: " - "mapping has been split. will leak memory\n"); - pmd_ERROR(*pmd); - } - set_pmd(pmd, __pmd(0)); - } - __flush_tlb_all(); -} - -/* * Memory hotplug specific functions */ void online_page(struct page *page) diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index c004d94608fd..ee6648fe6b15 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -70,25 +70,12 @@ int page_is_ram(unsigned long pagenr) * Fix up the linear direct mapping of the kernel to avoid cache attribute * conflicts. */ -static int ioremap_change_attr(unsigned long paddr, unsigned long size, +static int ioremap_change_attr(unsigned long vaddr, unsigned long size, enum ioremap_mode mode) { - unsigned long vaddr = (unsigned long)__va(paddr); unsigned long nrpages = size >> PAGE_SHIFT; - unsigned int level; int err; - /* No change for pages after the last mapping */ - if ((paddr + size - 1) >= (max_pfn_mapped << PAGE_SHIFT)) - return 0; - - /* - * If there is no identity map for this address, - * change_page_attr_addr is unnecessary - */ - if (!lookup_address(vaddr, &level)) - return 0; - switch (mode) { case IOR_MODE_UNCACHED: default: @@ -114,9 +101,8 @@ static int ioremap_change_attr(unsigned long paddr, unsigned long size, static void __iomem *__ioremap(unsigned long phys_addr, unsigned long size, enum ioremap_mode mode) { - void __iomem *addr; + unsigned long pfn, offset, last_addr, vaddr; struct vm_struct *area; - unsigned long offset, last_addr; pgprot_t prot; /* Don't allow wraparound or zero size */ @@ -133,9 +119,10 @@ static void __iomem *__ioremap(unsigned long phys_addr, unsigned long size, /* * Don't allow anybody to remap normal RAM that we're using.. */ - for (offset = phys_addr >> PAGE_SHIFT; offset < max_pfn_mapped && - (offset << PAGE_SHIFT) < last_addr; offset++) { - if (page_is_ram(offset)) + for (pfn = phys_addr >> PAGE_SHIFT; pfn < max_pfn_mapped && + (pfn << PAGE_SHIFT) < last_addr; pfn++) { + if (page_is_ram(pfn) && pfn_valid(pfn) && + !PageReserved(pfn_to_page(pfn))) return NULL; } @@ -163,19 +150,18 @@ static void __iomem *__ioremap(unsigned long phys_addr, unsigned long size, if (!area) return NULL; area->phys_addr = phys_addr; - addr = (void __iomem *) area->addr; - if (ioremap_page_range((unsigned long)addr, (unsigned long)addr + size, - phys_addr, prot)) { - remove_vm_area((void *)(PAGE_MASK & (unsigned long) addr)); + vaddr = (unsigned long) area->addr; + if (ioremap_page_range(vaddr, vaddr + size, phys_addr, prot)) { + remove_vm_area((void *)(vaddr & PAGE_MASK)); return NULL; } - if (ioremap_change_attr(phys_addr, size, mode) < 0) { - vunmap(addr); + if (ioremap_change_attr(vaddr, size, mode) < 0) { + vunmap(area->addr); return NULL; } - return (void __iomem *) (offset + (char __iomem *)addr); + return (void __iomem *) (vaddr + offset); } /** @@ -254,9 +240,6 @@ void iounmap(volatile void __iomem *addr) return; } - /* Reset the direct mapping. Can block */ - ioremap_change_attr(p->phys_addr, p->size, IOR_MODE_CACHED); - /* Finally remove it */ o = remove_vm_area((void *)addr); BUG_ON(p != o || o == NULL); diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c index a920d09b9194..5a02bf4c91ec 100644 --- a/arch/x86/mm/numa_64.c +++ b/arch/x86/mm/numa_64.c @@ -202,6 +202,8 @@ void __init setup_node_bootmem(int nodeid, unsigned long start, if (node_data[nodeid] == NULL) return; nodedata_phys = __pa(node_data[nodeid]); + printk(KERN_INFO " NODE_DATA [%016lx - %016lx]\n", nodedata_phys, + nodedata_phys + pgdat_size - 1); memset(NODE_DATA(nodeid), 0, sizeof(pg_data_t)); NODE_DATA(nodeid)->bdata = &plat_node_bdata[nodeid]; @@ -225,12 +227,15 @@ void __init setup_node_bootmem(int nodeid, unsigned long start, return; } bootmap_start = __pa(bootmap); - Dprintk("bootmap start %lu pages %lu\n", bootmap_start, bootmap_pages); bootmap_size = init_bootmem_node(NODE_DATA(nodeid), bootmap_start >> PAGE_SHIFT, start_pfn, end_pfn); + printk(KERN_INFO " bootmap [%016lx - %016lx] pages %lx\n", + bootmap_start, bootmap_start + bootmap_size - 1, + bootmap_pages); + free_bootmem_with_active_regions(nodeid, end); reserve_bootmem_node(NODE_DATA(nodeid), nodedata_phys, pgdat_size); diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c index 7573e786d2f2..398f3a578dde 100644 --- a/arch/x86/mm/pageattr-test.c +++ b/arch/x86/mm/pageattr-test.c @@ -137,7 +137,8 @@ static __init int exercise_pageattr(void) for (k = 0; k < len[i]; k++) { pte = lookup_address(addr[i] + k*PAGE_SIZE, &level); - if (!pte || pgprot_val(pte_pgprot(*pte)) == 0) { + if (!pte || pgprot_val(pte_pgprot(*pte)) == 0 || + !(pte_val(*pte) & _PAGE_PRESENT)) { addr[i] = 0; break; } diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index e297bd65e513..bb55a78dcd62 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -16,6 +16,17 @@ #include <asm/uaccess.h> #include <asm/pgalloc.h> +/* + * The current flushing context - we pass it instead of 5 arguments: + */ +struct cpa_data { + unsigned long vaddr; + pgprot_t mask_set; + pgprot_t mask_clr; + int numpages; + int flushtlb; +}; + static inline int within(unsigned long addr, unsigned long start, unsigned long end) { @@ -52,21 +63,23 @@ void clflush_cache_range(void *vaddr, unsigned int size) static void __cpa_flush_all(void *arg) { + unsigned long cache = (unsigned long)arg; + /* * Flush all to work around Errata in early athlons regarding * large page flushing. */ __flush_tlb_all(); - if (boot_cpu_data.x86_model >= 4) + if (cache && boot_cpu_data.x86_model >= 4) wbinvd(); } -static void cpa_flush_all(void) +static void cpa_flush_all(unsigned long cache) { BUG_ON(irqs_disabled()); - on_each_cpu(__cpa_flush_all, NULL, 1, 1); + on_each_cpu(__cpa_flush_all, (void *) cache, 1, 1); } static void __cpa_flush_range(void *arg) @@ -79,7 +92,7 @@ static void __cpa_flush_range(void *arg) __flush_tlb_all(); } -static void cpa_flush_range(unsigned long start, int numpages) +static void cpa_flush_range(unsigned long start, int numpages, int cache) { unsigned int i, level; unsigned long addr; @@ -89,6 +102,9 @@ static void cpa_flush_range(unsigned long start, int numpages) on_each_cpu(__cpa_flush_range, NULL, 1, 1); + if (!cache) + return; + /* * We only need to flush on one CPU, * clflush is a MESI-coherent instruction that @@ -101,11 +117,27 @@ static void cpa_flush_range(unsigned long start, int numpages) /* * Only flush present addresses: */ - if (pte && pte_present(*pte)) + if (pte && (pte_val(*pte) & _PAGE_PRESENT)) clflush_cache_range((void *) addr, PAGE_SIZE); } } +#define HIGH_MAP_START __START_KERNEL_map +#define HIGH_MAP_END (__START_KERNEL_map + KERNEL_TEXT_SIZE) + + +/* + * Converts a virtual address to a X86-64 highmap address + */ +static unsigned long virt_to_highmap(void *address) +{ +#ifdef CONFIG_X86_64 + return __pa((unsigned long)address) + HIGH_MAP_START - phys_base; +#else + return (unsigned long)address; +#endif +} + /* * Certain areas of memory on x86 require very specific protection flags, * for example the BIOS area or kernel text. Callers don't always get this @@ -129,12 +161,24 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address) */ if (within(address, (unsigned long)_text, (unsigned long)_etext)) pgprot_val(forbidden) |= _PAGE_NX; + /* + * Do the same for the x86-64 high kernel mapping + */ + if (within(address, virt_to_highmap(_text), virt_to_highmap(_etext))) + pgprot_val(forbidden) |= _PAGE_NX; + #ifdef CONFIG_DEBUG_RODATA /* The .rodata section needs to be read-only */ if (within(address, (unsigned long)__start_rodata, (unsigned long)__end_rodata)) pgprot_val(forbidden) |= _PAGE_RW; + /* + * Do the same for the x86-64 high kernel mapping + */ + if (within(address, virt_to_highmap(__start_rodata), + virt_to_highmap(__end_rodata))) + pgprot_val(forbidden) |= _PAGE_RW; #endif prot = __pgprot(pgprot_val(prot) & ~pgprot_val(forbidden)); @@ -142,6 +186,14 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address) return prot; } +/* + * Lookup the page table entry for a virtual address. Return a pointer + * to the entry and the level of the mapping. + * + * Note: We return pud and pmd either when the entry is marked large + * or when the present bit is not set. Otherwise we would return a + * pointer to a nonexisting mapping. + */ pte_t *lookup_address(unsigned long address, int *level) { pgd_t *pgd = pgd_offset_k(address); @@ -152,21 +204,31 @@ pte_t *lookup_address(unsigned long address, int *level) if (pgd_none(*pgd)) return NULL; + pud = pud_offset(pgd, address); if (pud_none(*pud)) return NULL; + + *level = PG_LEVEL_1G; + if (pud_large(*pud) || !pud_present(*pud)) + return (pte_t *)pud; + pmd = pmd_offset(pud, address); if (pmd_none(*pmd)) return NULL; *level = PG_LEVEL_2M; - if (pmd_large(*pmd)) + if (pmd_large(*pmd) || !pmd_present(*pmd)) return (pte_t *)pmd; *level = PG_LEVEL_4K; + return pte_offset_kernel(pmd, address); } +/* + * Set the new pmd in all the pgds we know about: + */ static void __set_pmd_pte(pte_t *kpte, unsigned long address, pte_t pte) { /* change init_mm */ @@ -175,6 +237,7 @@ static void __set_pmd_pte(pte_t *kpte, unsigned long address, pte_t pte) if (!SHARED_KERNEL_PMD) { struct page *page; + address = __pa(address); list_for_each_entry(page, &pgd_list, lru) { pgd_t *pgd; pud_t *pud; @@ -189,18 +252,114 @@ static void __set_pmd_pte(pte_t *kpte, unsigned long address, pte_t pte) #endif } +static int +try_preserve_large_page(pte_t *kpte, unsigned long address, + struct cpa_data *cpa) +{ + unsigned long nextpage_addr, numpages, pmask, psize, flags; + pte_t new_pte, old_pte, *tmp; + pgprot_t old_prot, new_prot; + int level, do_split = 1; + + /* + * An Athlon 64 X2 showed hard hangs if we tried to preserve + * largepages and changed the PSE entry from RW to RO. + * + * As AMD CPUs have a long series of erratas in this area, + * (and none of the known ones seem to explain this hang), + * disable this code until the hang can be debugged: + */ + if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) + return 1; + + spin_lock_irqsave(&pgd_lock, flags); + /* + * Check for races, another CPU might have split this page + * up already: + */ + tmp = lookup_address(address, &level); + if (tmp != kpte) + goto out_unlock; + + switch (level) { + case PG_LEVEL_2M: + psize = PMD_PAGE_SIZE; + pmask = PMD_PAGE_MASK; + break; +#ifdef CONFIG_X86_64 + case PG_LEVEL_1G: + psize = PMD_PAGE_SIZE; + pmask = PMD_PAGE_MASK; + break; +#endif + default: + do_split = -EINVAL; + goto out_unlock; + } + + /* + * Calculate the number of pages, which fit into this large + * page starting at address: + */ + nextpage_addr = (address + psize) & pmask; + numpages = (nextpage_addr - address) >> PAGE_SHIFT; + if (numpages < cpa->numpages) + cpa->numpages = numpages; + + /* + * We are safe now. Check whether the new pgprot is the same: + */ + old_pte = *kpte; + old_prot = new_prot = pte_pgprot(old_pte); + + pgprot_val(new_prot) &= ~pgprot_val(cpa->mask_clr); + pgprot_val(new_prot) |= pgprot_val(cpa->mask_set); + new_prot = static_protections(new_prot, address); + + /* + * If there are no changes, return. maxpages has been updated + * above: + */ + if (pgprot_val(new_prot) == pgprot_val(old_prot)) { + do_split = 0; + goto out_unlock; + } + + /* + * We need to change the attributes. Check, whether we can + * change the large page in one go. We request a split, when + * the address is not aligned and the number of pages is + * smaller than the number of pages in the large page. Note + * that we limited the number of possible pages already to + * the number of pages in the large page. + */ + if (address == (nextpage_addr - psize) && cpa->numpages == numpages) { + /* + * The address is aligned and the number of pages + * covers the full page. + */ + new_pte = pfn_pte(pte_pfn(old_pte), canon_pgprot(new_prot)); + __set_pmd_pte(kpte, address, new_pte); + cpa->flushtlb = 1; + do_split = 0; + } + +out_unlock: + spin_unlock_irqrestore(&pgd_lock, flags); + + return do_split; +} + static int split_large_page(pte_t *kpte, unsigned long address) { - pgprot_t ref_prot = pte_pgprot(pte_clrhuge(*kpte)); + unsigned long flags, pfn, pfninc = 1; gfp_t gfp_flags = GFP_KERNEL; - unsigned long flags; - unsigned long addr; + unsigned int i, level; pte_t *pbase, *tmp; + pgprot_t ref_prot; struct page *base; - unsigned int i, level; #ifdef CONFIG_DEBUG_PAGEALLOC - gfp_flags = __GFP_HIGH | __GFP_NOFAIL | __GFP_NOWARN; gfp_flags = GFP_ATOMIC | __GFP_NOWARN; #endif base = alloc_pages(gfp_flags, 0); @@ -213,30 +372,41 @@ static int split_large_page(pte_t *kpte, unsigned long address) * up for us already: */ tmp = lookup_address(address, &level); - if (tmp != kpte) { - WARN_ON_ONCE(1); + if (tmp != kpte) goto out_unlock; - } - address = __pa(address); - addr = address & LARGE_PAGE_MASK; pbase = (pte_t *)page_address(base); #ifdef CONFIG_X86_32 paravirt_alloc_pt(&init_mm, page_to_pfn(base)); #endif + ref_prot = pte_pgprot(pte_clrhuge(*kpte)); + +#ifdef CONFIG_X86_64 + if (level == PG_LEVEL_1G) { + pfninc = PMD_PAGE_SIZE >> PAGE_SHIFT; + pgprot_val(ref_prot) |= _PAGE_PSE; + } +#endif - pgprot_val(ref_prot) &= ~_PAGE_NX; - for (i = 0; i < PTRS_PER_PTE; i++, addr += PAGE_SIZE) - set_pte(&pbase[i], pfn_pte(addr >> PAGE_SHIFT, ref_prot)); + /* + * Get the target pfn from the original entry: + */ + pfn = pte_pfn(*kpte); + for (i = 0; i < PTRS_PER_PTE; i++, pfn += pfninc) + set_pte(&pbase[i], pfn_pte(pfn, ref_prot)); /* - * Install the new, split up pagetable. Important detail here: + * Install the new, split up pagetable. Important details here: * * On Intel the NX bit of all levels must be cleared to make a * page executable. See section 4.13.2 of Intel 64 and IA-32 * Architectures Software Developer's Manual). + * + * Mark the entry present. The current mapping might be + * set to not present, which we preserved above. */ ref_prot = pte_pgprot(pte_mkexec(pte_clrhuge(*kpte))); + pgprot_val(ref_prot) |= _PAGE_PRESENT; __set_pmd_pte(kpte, address, mk_pte(base, ref_prot)); base = NULL; @@ -249,18 +419,12 @@ out_unlock: return 0; } -static int -__change_page_attr(unsigned long address, unsigned long pfn, - pgprot_t mask_set, pgprot_t mask_clr) +static int __change_page_attr(unsigned long address, struct cpa_data *cpa) { + int level, do_split, err; struct page *kpte_page; - int level, err = 0; pte_t *kpte; -#ifdef CONFIG_X86_32 - BUG_ON(pfn > max_low_pfn); -#endif - repeat: kpte = lookup_address(address, &level); if (!kpte) @@ -271,23 +435,62 @@ repeat: BUG_ON(PageCompound(kpte_page)); if (level == PG_LEVEL_4K) { - pgprot_t new_prot = pte_pgprot(*kpte); pte_t new_pte, old_pte = *kpte; + pgprot_t new_prot = pte_pgprot(old_pte); + + if(!pte_val(old_pte)) { + printk(KERN_WARNING "CPA: called for zero pte. " + "vaddr = %lx cpa->vaddr = %lx\n", address, + cpa->vaddr); + WARN_ON(1); + return -EINVAL; + } - pgprot_val(new_prot) &= ~pgprot_val(mask_clr); - pgprot_val(new_prot) |= pgprot_val(mask_set); + pgprot_val(new_prot) &= ~pgprot_val(cpa->mask_clr); + pgprot_val(new_prot) |= pgprot_val(cpa->mask_set); new_prot = static_protections(new_prot, address); - new_pte = pfn_pte(pfn, canon_pgprot(new_prot)); - BUG_ON(pte_pfn(new_pte) != pte_pfn(old_pte)); + /* + * We need to keep the pfn from the existing PTE, + * after all we're only going to change it's attributes + * not the memory it points to + */ + new_pte = pfn_pte(pte_pfn(old_pte), canon_pgprot(new_prot)); + + /* + * Do we really change anything ? + */ + if (pte_val(old_pte) != pte_val(new_pte)) { + set_pte_atomic(kpte, new_pte); + cpa->flushtlb = 1; + } + cpa->numpages = 1; + return 0; + } + + /* + * Check, whether we can keep the large page intact + * and just change the pte: + */ + do_split = try_preserve_large_page(kpte, address, cpa); + /* + * When the range fits into the existing large page, + * return. cp->numpages and cpa->tlbflush have been updated in + * try_large_page: + */ + if (do_split <= 0) + return do_split; - set_pte_atomic(kpte, new_pte); - } else { - err = split_large_page(kpte, address); - if (!err) - goto repeat; + /* + * We have to split the large page: + */ + err = split_large_page(kpte, address); + if (!err) { + cpa->flushtlb = 1; + goto repeat; } + return err; } @@ -304,19 +507,14 @@ repeat: * * Modules and drivers should use the set_memory_* APIs instead. */ - -#define HIGH_MAP_START __START_KERNEL_map -#define HIGH_MAP_END (__START_KERNEL_map + KERNEL_TEXT_SIZE) - -static int -change_page_attr_addr(unsigned long address, pgprot_t mask_set, - pgprot_t mask_clr) +static int change_page_attr_addr(struct cpa_data *cpa) { - unsigned long phys_addr = __pa(address); - unsigned long pfn = phys_addr >> PAGE_SHIFT; int err; + unsigned long address = cpa->vaddr; #ifdef CONFIG_X86_64 + unsigned long phys_addr = __pa(address); + /* * If we are inside the high mapped kernel range, then we * fixup the low mapping first. __va() returns the virtual @@ -326,7 +524,7 @@ change_page_attr_addr(unsigned long address, pgprot_t mask_set, address = (unsigned long) __va(phys_addr); #endif - err = __change_page_attr(address, pfn, mask_set, mask_clr); + err = __change_page_attr(address, cpa); if (err) return err; @@ -339,42 +537,89 @@ change_page_attr_addr(unsigned long address, pgprot_t mask_set, /* * Calc the high mapping address. See __phys_addr() * for the non obvious details. + * + * Note that NX and other required permissions are + * checked in static_protections(). */ address = phys_addr + HIGH_MAP_START - phys_base; - /* Make sure the kernel mappings stay executable */ - pgprot_val(mask_clr) |= _PAGE_NX; /* * Our high aliases are imprecise, because we check * everything between 0 and KERNEL_TEXT_SIZE, so do * not propagate lookup failures back to users: */ - __change_page_attr(address, pfn, mask_set, mask_clr); + __change_page_attr(address, cpa); } #endif return err; } -static int __change_page_attr_set_clr(unsigned long addr, int numpages, - pgprot_t mask_set, pgprot_t mask_clr) +static int __change_page_attr_set_clr(struct cpa_data *cpa) { - unsigned int i; - int ret; + int ret, numpages = cpa->numpages; - for (i = 0; i < numpages ; i++, addr += PAGE_SIZE) { - ret = change_page_attr_addr(addr, mask_set, mask_clr); + while (numpages) { + /* + * Store the remaining nr of pages for the large page + * preservation check. + */ + cpa->numpages = numpages; + ret = change_page_attr_addr(cpa); if (ret) return ret; - } + /* + * Adjust the number of pages with the result of the + * CPA operation. Either a large page has been + * preserved or a single page update happened. + */ + BUG_ON(cpa->numpages > numpages); + numpages -= cpa->numpages; + cpa->vaddr += cpa->numpages * PAGE_SIZE; + } return 0; } +static inline int cache_attr(pgprot_t attr) +{ + return pgprot_val(attr) & + (_PAGE_PAT | _PAGE_PAT_LARGE | _PAGE_PWT | _PAGE_PCD); +} + static int change_page_attr_set_clr(unsigned long addr, int numpages, pgprot_t mask_set, pgprot_t mask_clr) { - int ret = __change_page_attr_set_clr(addr, numpages, mask_set, - mask_clr); + struct cpa_data cpa; + int ret, cache; + + /* + * Check, if we are requested to change a not supported + * feature: + */ + mask_set = canon_pgprot(mask_set); + mask_clr = canon_pgprot(mask_clr); + if (!pgprot_val(mask_set) && !pgprot_val(mask_clr)) + return 0; + + cpa.vaddr = addr; + cpa.numpages = numpages; + cpa.mask_set = mask_set; + cpa.mask_clr = mask_clr; + cpa.flushtlb = 0; + + ret = __change_page_attr_set_clr(&cpa); + + /* + * Check whether we really changed something: + */ + if (!cpa.flushtlb) + return ret; + + /* + * No need to flush, when we did not set any of the caching + * attributes: + */ + cache = cache_attr(mask_set); /* * On success we use clflush, when the CPU supports it to @@ -383,9 +628,9 @@ static int change_page_attr_set_clr(unsigned long addr, int numpages, * wbindv): */ if (!ret && cpu_has_clflush) - cpa_flush_range(addr, numpages); + cpa_flush_range(addr, numpages, cache); else - cpa_flush_all(); + cpa_flush_all(cache); return ret; } @@ -489,37 +734,26 @@ int set_pages_rw(struct page *page, int numpages) return set_memory_rw(addr, numpages); } - -#if defined(CONFIG_DEBUG_PAGEALLOC) || defined(CONFIG_CPA_DEBUG) -static inline int __change_page_attr_set(unsigned long addr, int numpages, - pgprot_t mask) -{ - return __change_page_attr_set_clr(addr, numpages, mask, __pgprot(0)); -} - -static inline int __change_page_attr_clear(unsigned long addr, int numpages, - pgprot_t mask) -{ - return __change_page_attr_set_clr(addr, numpages, __pgprot(0), mask); -} -#endif - #ifdef CONFIG_DEBUG_PAGEALLOC static int __set_pages_p(struct page *page, int numpages) { - unsigned long addr = (unsigned long)page_address(page); + struct cpa_data cpa = { .vaddr = (unsigned long) page_address(page), + .numpages = numpages, + .mask_set = __pgprot(_PAGE_PRESENT | _PAGE_RW), + .mask_clr = __pgprot(0)}; - return __change_page_attr_set(addr, numpages, - __pgprot(_PAGE_PRESENT | _PAGE_RW)); + return __change_page_attr_set_clr(&cpa); } static int __set_pages_np(struct page *page, int numpages) { - unsigned long addr = (unsigned long)page_address(page); + struct cpa_data cpa = { .vaddr = (unsigned long) page_address(page), + .numpages = numpages, + .mask_set = __pgprot(0), + .mask_clr = __pgprot(_PAGE_PRESENT | _PAGE_RW)}; - return __change_page_attr_clear(addr, numpages, - __pgprot(_PAGE_PRESENT)); + return __change_page_attr_set_clr(&cpa); } void kernel_map_pages(struct page *page, int numpages, int enable) diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c index cb3aa470249b..c7db504be1ea 100644 --- a/arch/x86/mm/pgtable_32.c +++ b/arch/x86/mm/pgtable_32.c @@ -219,50 +219,39 @@ static inline void pgd_list_del(pgd_t *pgd) list_del(&page->lru); } +#define UNSHARED_PTRS_PER_PGD \ + (SHARED_KERNEL_PMD ? USER_PTRS_PER_PGD : PTRS_PER_PGD) - -#if (PTRS_PER_PMD == 1) -/* Non-PAE pgd constructor */ -static void pgd_ctor(void *pgd) +static void pgd_ctor(void *p) { + pgd_t *pgd = p; unsigned long flags; - /* !PAE, no pagetable sharing */ + /* Clear usermode parts of PGD */ memset(pgd, 0, USER_PTRS_PER_PGD*sizeof(pgd_t)); spin_lock_irqsave(&pgd_lock, flags); - /* must happen under lock */ - clone_pgd_range((pgd_t *)pgd + USER_PTRS_PER_PGD, - swapper_pg_dir + USER_PTRS_PER_PGD, - KERNEL_PGD_PTRS); - paravirt_alloc_pd_clone(__pa(pgd) >> PAGE_SHIFT, - __pa(swapper_pg_dir) >> PAGE_SHIFT, - USER_PTRS_PER_PGD, - KERNEL_PGD_PTRS); - pgd_list_add(pgd); - spin_unlock_irqrestore(&pgd_lock, flags); -} -#else /* PTRS_PER_PMD > 1 */ -/* PAE pgd constructor */ -static void pgd_ctor(void *pgd) -{ - /* PAE, kernel PMD may be shared */ - - if (SHARED_KERNEL_PMD) { - clone_pgd_range((pgd_t *)pgd + USER_PTRS_PER_PGD, + /* If the pgd points to a shared pagetable level (either the + ptes in non-PAE, or shared PMD in PAE), then just copy the + references from swapper_pg_dir. */ + if (PAGETABLE_LEVELS == 2 || + (PAGETABLE_LEVELS == 3 && SHARED_KERNEL_PMD)) { + clone_pgd_range(pgd + USER_PTRS_PER_PGD, swapper_pg_dir + USER_PTRS_PER_PGD, KERNEL_PGD_PTRS); - } else { - unsigned long flags; + paravirt_alloc_pd_clone(__pa(pgd) >> PAGE_SHIFT, + __pa(swapper_pg_dir) >> PAGE_SHIFT, + USER_PTRS_PER_PGD, + KERNEL_PGD_PTRS); + } - memset(pgd, 0, USER_PTRS_PER_PGD*sizeof(pgd_t)); - spin_lock_irqsave(&pgd_lock, flags); + /* list required to sync kernel mapping updates */ + if (!SHARED_KERNEL_PMD) pgd_list_add(pgd); - spin_unlock_irqrestore(&pgd_lock, flags); - } + + spin_unlock_irqrestore(&pgd_lock, flags); } -#endif /* PTRS_PER_PMD */ static void pgd_dtor(void *pgd) { @@ -276,9 +265,6 @@ static void pgd_dtor(void *pgd) spin_unlock_irqrestore(&pgd_lock, flags); } -#define UNSHARED_PTRS_PER_PGD \ - (SHARED_KERNEL_PMD ? USER_PTRS_PER_PGD : PTRS_PER_PGD) - #ifdef CONFIG_X86_PAE /* * Mop up any pmd pages which may still be attached to the pgd. @@ -387,13 +373,6 @@ void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte) void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd) { - /* This is called just after the pmd has been detached from - the pgd, which requires a full tlb flush to be recognized - by the CPU. Rather than incurring multiple tlb flushes - while the address space is being pulled down, make the tlb - gathering machinery do a full flush when we're done. */ - tlb->fullmm = 1; - paravirt_release_pd(__pa(pmd) >> PAGE_SHIFT); tlb_remove_page(tlb, virt_to_page(pmd)); } diff --git a/arch/x86/pci/numa.c b/arch/x86/pci/numa.c index f5f165f69e0c..55270c26237c 100644 --- a/arch/x86/pci/numa.c +++ b/arch/x86/pci/numa.c @@ -5,36 +5,62 @@ #include <linux/pci.h> #include <linux/init.h> #include <linux/nodemask.h> +#include <mach_apic.h> #include "pci.h" +#define XQUAD_PORTIO_BASE 0xfe400000 +#define XQUAD_PORTIO_QUAD 0x40000 /* 256k per quad. */ + #define BUS2QUAD(global) (mp_bus_id_to_node[global]) #define BUS2LOCAL(global) (mp_bus_id_to_local[global]) #define QUADLOCAL2BUS(quad,local) (quad_local_to_mp_bus_id[quad][local]) +extern void *xquad_portio; /* Where the IO area was mapped */ +#define XQUAD_PORT_ADDR(port, quad) (xquad_portio + (XQUAD_PORTIO_QUAD*quad) + port) + #define PCI_CONF1_MQ_ADDRESS(bus, devfn, reg) \ (0x80000000 | (BUS2LOCAL(bus) << 16) | (devfn << 8) | (reg & ~3)) +static void write_cf8(unsigned bus, unsigned devfn, unsigned reg) +{ + unsigned val = PCI_CONF1_MQ_ADDRESS(bus, devfn, reg); + if (xquad_portio) + writel(val, XQUAD_PORT_ADDR(0xcf8, BUS2QUAD(bus))); + else + outl(val, 0xCF8); +} + static int pci_conf1_mq_read(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 *value) { unsigned long flags; + void *adr __iomem = XQUAD_PORT_ADDR(0xcfc, BUS2QUAD(bus)); if (!value || (bus >= MAX_MP_BUSSES) || (devfn > 255) || (reg > 255)) return -EINVAL; spin_lock_irqsave(&pci_config_lock, flags); - outl_quad(PCI_CONF1_MQ_ADDRESS(bus, devfn, reg), 0xCF8, BUS2QUAD(bus)); + write_cf8(bus, devfn, reg); switch (len) { case 1: - *value = inb_quad(0xCFC + (reg & 3), BUS2QUAD(bus)); + if (xquad_portio) + *value = readb(adr + (reg & 3)); + else + *value = inb(0xCFC + (reg & 3)); break; case 2: - *value = inw_quad(0xCFC + (reg & 2), BUS2QUAD(bus)); + if (xquad_portio) + *value = readw(adr + (reg & 2)); + else + *value = inw(0xCFC + (reg & 2)); break; case 4: - *value = inl_quad(0xCFC, BUS2QUAD(bus)); + if (xquad_portio) + *value = readl(adr); + else + *value = inl(0xCFC); break; } @@ -47,23 +73,33 @@ static int pci_conf1_mq_write(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 value) { unsigned long flags; + void *adr __iomem = XQUAD_PORT_ADDR(0xcfc, BUS2QUAD(bus)); if ((bus >= MAX_MP_BUSSES) || (devfn > 255) || (reg > 255)) return -EINVAL; spin_lock_irqsave(&pci_config_lock, flags); - outl_quad(PCI_CONF1_MQ_ADDRESS(bus, devfn, reg), 0xCF8, BUS2QUAD(bus)); + write_cf8(bus, devfn, reg); switch (len) { case 1: - outb_quad((u8)value, 0xCFC + (reg & 3), BUS2QUAD(bus)); + if (xquad_portio) + writeb(value, adr + (reg & 3)); + else + outb((u8)value, 0xCFC + (reg & 3)); break; case 2: - outw_quad((u16)value, 0xCFC + (reg & 2), BUS2QUAD(bus)); + if (xquad_portio) + writew(value, adr + (reg & 2)); + else + outw((u16)value, 0xCFC + (reg & 2)); break; case 4: - outl_quad((u32)value, 0xCFC, BUS2QUAD(bus)); + if (xquad_portio) + writel(value, adr + reg); + else + outl((u32)value, 0xCFC); break; } diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 844721e8e3dd..5d5546ce88fe 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -246,8 +246,6 @@ config EMBEDDED_RAMDISK_IMAGE provide one yourself. endmenu -source "kernel/Kconfig.instrumentation" - source "arch/xtensa/Kconfig.debug" source "security/Kconfig" diff --git a/drivers/Kconfig b/drivers/Kconfig index 08d4ae201597..3f8a231fe754 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -91,6 +91,4 @@ source "drivers/dca/Kconfig" source "drivers/auxdisplay/Kconfig" source "drivers/uio/Kconfig" - -source "drivers/virtio/Kconfig" endmenu diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index cbfe9ae7a9e5..d9d531cce27f 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -830,7 +830,7 @@ static int acpi_bus_get_flags(struct acpi_device *device) if (ACPI_SUCCESS(status)) device->flags.wake_capable = 1; - /* TBD: Peformance management */ + /* TBD: Performance management */ return 0; } diff --git a/drivers/acpi/utilities/utresrc.c b/drivers/acpi/utilities/utresrc.c index cbbd3315a1e2..b630ee137ee1 100644 --- a/drivers/acpi/utilities/utresrc.c +++ b/drivers/acpi/utilities/utresrc.c @@ -1,6 +1,6 @@ /******************************************************************************* * - * Module Name: utresrc - Resource managment utilities + * Module Name: utresrc - Resource management utilities * ******************************************************************************/ diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 47892e6f5ded..4b99ed0c59bb 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -837,7 +837,7 @@ static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev) if (is_slave) { /* clear TIME1|IE1|PPE1|DTE1 */ master_data &= 0xff0f; - /* Enable SITRE (seperate slave timing register) */ + /* Enable SITRE (separate slave timing register) */ master_data |= 0x4000; /* enable PPE1, IE1 and TIME1 as needed */ master_data |= (control << 4); diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index bdbd55af7022..361cf50cbdea 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -3097,7 +3097,7 @@ static int ata_dev_set_mode(struct ata_device *dev) /** * ata_do_set_mode - Program timings and issue SET FEATURES - XFER * @link: link on which timings will be programmed - * @r_failed_dev: out paramter for failed device + * @r_failed_dev: out parameter for failed device * * Standard implementation of the function used to tune and set * ATA device disk transfer mode (PIO3, UDMA6, etc.). If diff --git a/drivers/ata/pata_at32.c b/drivers/ata/pata_at32.c index 67e574de31e8..db057b183d60 100644 --- a/drivers/ata/pata_at32.c +++ b/drivers/ata/pata_at32.c @@ -324,7 +324,7 @@ static int __init pata_at32_probe(struct platform_device *pdev) if (irq < 0) return irq; - /* Setup struct containing private infomation */ + /* Setup struct containing private information */ info = kzalloc(sizeof(struct at32_ide_info), GFP_KERNEL); if (!info) return -ENOMEM; diff --git a/drivers/ata/pata_efar.c b/drivers/ata/pata_efar.c index 043dcd35106c..dc33220fe5b2 100644 --- a/drivers/ata/pata_efar.c +++ b/drivers/ata/pata_efar.c @@ -135,7 +135,7 @@ static void efar_set_piomode (struct ata_port *ap, struct ata_device *adev) idetm_data &= 0xCC0F; idetm_data |= (control << 4); - /* Slave timing in seperate register */ + /* Slave timing in separate register */ pci_read_config_byte(dev, 0x44, &slave_data); slave_data &= 0x0F << shift; slave_data |= ((timings[pio][0] << 2) | timings[pio][1]) << shift; diff --git a/drivers/ata/pata_it8213.c b/drivers/ata/pata_it8213.c index 1eda821e5e39..e0c2cc29d0ca 100644 --- a/drivers/ata/pata_it8213.c +++ b/drivers/ata/pata_it8213.c @@ -128,7 +128,7 @@ static void it8213_set_piomode (struct ata_port *ap, struct ata_device *adev) idetm_data &= 0xCC0F; idetm_data |= (control << 4); - /* Slave timing in seperate register */ + /* Slave timing in separate register */ pci_read_config_byte(dev, 0x44, &slave_data); slave_data &= 0xF0; slave_data |= ((timings[pio][0] << 2) | timings[pio][1]) << 4; diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c index 87546d9f1ca0..dc7e91562e43 100644 --- a/drivers/ata/pata_sis.c +++ b/drivers/ata/pata_sis.c @@ -345,7 +345,7 @@ static void sis_old_set_dmamode (struct ata_port *ap, struct ata_device *adev) if (adev->dma_mode < XFER_UDMA_0) { /* bits 3-0 hold recovery timing bits 8-10 active timing and - the higer bits are dependant on the device */ + the higher bits are dependant on the device */ timing &= ~0x870F; timing |= mwdma_bits[speed]; } else { @@ -385,7 +385,7 @@ static void sis_66_set_dmamode (struct ata_port *ap, struct ata_device *adev) if (adev->dma_mode < XFER_UDMA_0) { /* bits 3-0 hold recovery timing bits 8-10 active timing and - the higer bits are dependant on the device, bit 15 udma */ + the higher bits are dependant on the device, bit 15 udma */ timing &= ~0x870F; timing |= mwdma_bits[speed]; } else { diff --git a/drivers/base/core.c b/drivers/base/core.c index b1727876182c..9c0070b5bd3e 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -423,10 +423,8 @@ struct kset *devices_kset; int device_create_file(struct device *dev, struct device_attribute *attr) { int error = 0; - if (get_device(dev)) { + if (dev) error = sysfs_create_file(&dev->kobj, &attr->attr); - put_device(dev); - } return error; } @@ -437,10 +435,8 @@ int device_create_file(struct device *dev, struct device_attribute *attr) */ void device_remove_file(struct device *dev, struct device_attribute *attr) { - if (get_device(dev)) { + if (dev) sysfs_remove_file(&dev->kobj, &attr->attr); - put_device(dev); - } } /** @@ -1144,25 +1140,11 @@ error: } EXPORT_SYMBOL_GPL(device_create); -/** - * find_device - finds a device that was created with device_create() - * @class: pointer to the struct class that this device was registered with - * @devt: the dev_t of the device that was previously registered - */ -static struct device *find_device(struct class *class, dev_t devt) +static int __match_devt(struct device *dev, void *data) { - struct device *dev = NULL; - struct device *dev_tmp; + dev_t *devt = data; - down(&class->sem); - list_for_each_entry(dev_tmp, &class->devices, node) { - if (dev_tmp->devt == devt) { - dev = dev_tmp; - break; - } - } - up(&class->sem); - return dev; + return dev->devt == *devt; } /** @@ -1177,9 +1159,11 @@ void device_destroy(struct class *class, dev_t devt) { struct device *dev; - dev = find_device(class, devt); - if (dev) + dev = class_find_device(class, &devt, __match_devt); + if (dev) { + put_device(dev); device_unregister(dev); + } } EXPORT_SYMBOL_GPL(device_destroy); @@ -1203,9 +1187,11 @@ void destroy_suspended_device(struct class *class, dev_t devt) { struct device *dev; - dev = find_device(class, devt); - if (dev) + dev = class_find_device(class, &devt, __match_devt); + if (dev) { device_pm_schedule_removal(dev); + put_device(dev); + } } EXPORT_SYMBOL_GPL(destroy_suspended_device); #endif /* CONFIG_PM_SLEEP */ diff --git a/drivers/base/driver.c b/drivers/base/driver.c index a35f04121a00..ba75184c653c 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -97,10 +97,9 @@ int driver_create_file(struct device_driver *drv, struct driver_attribute *attr) { int error; - if (get_driver(drv)) { + if (drv) error = sysfs_create_file(&drv->p->kobj, &attr->attr); - put_driver(drv); - } else + else error = -EINVAL; return error; } @@ -114,10 +113,8 @@ EXPORT_SYMBOL_GPL(driver_create_file); void driver_remove_file(struct device_driver *drv, struct driver_attribute *attr) { - if (get_driver(drv)) { + if (drv) sysfs_remove_file(&drv->p->kobj, &attr->attr); - put_driver(drv); - } } EXPORT_SYMBOL_GPL(driver_remove_file); diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 200ed5fafd50..bdc03f7e8424 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -129,6 +129,7 @@ void device_pm_schedule_removal(struct device *dev) list_move_tail(&dev->power.entry, &dpm_destroy); mutex_unlock(&dpm_list_mtx); } +EXPORT_SYMBOL_GPL(device_pm_schedule_removal); /** * pm_sleep_lock - mutual exclusion for registration and suspend diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h index 6f0dfca8ebdd..e32d3bdb92c1 100644 --- a/drivers/base/power/power.h +++ b/drivers/base/power/power.h @@ -13,7 +13,6 @@ static inline struct device *to_device(struct list_head *entry) extern void device_pm_add(struct device *); extern void device_pm_remove(struct device *); -extern void device_pm_schedule_removal(struct device *); extern int pm_sleep_lock(void); extern void pm_sleep_unlock(void); diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index f2122855d4ec..64e5148d82bc 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -440,6 +440,7 @@ config VIRTIO_BLK tristate "Virtio block driver (EXPERIMENTAL)" depends on EXPERIMENTAL && VIRTIO ---help--- - This is the virtual block driver for lguest. Say Y or M. + This is the virtual block driver for virtio. It can be used with + lguest or QEMU based VMMs (like KVM or Xen). Say Y or M. endif # BLK_DEV diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c index 63ee6c076cb3..55178e9973a0 100644 --- a/drivers/block/cciss_scsi.c +++ b/drivers/block/cciss_scsi.c @@ -1453,7 +1453,7 @@ static int cciss_eh_device_reset_handler(struct scsi_cmnd *scsicmd) rc = sendcmd(CCISS_RESET_MSG, ctlr, NULL, 0, 2, 0, 0, (unsigned char *) &cmd_in_trouble->Header.LUN.LunAddrBytes[0], TYPE_MSG); - /* sendcmd turned off interrputs on the board, turn 'em back on. */ + /* sendcmd turned off interrupts on the board, turn 'em back on. */ (*c)->access.set_intr_mask(*c, CCISS_INTR_ON); if (rc == 0) return SUCCESS; @@ -1483,7 +1483,7 @@ static int cciss_eh_abort_handler(struct scsi_cmnd *scsicmd) 0, 2, 0, 0, (unsigned char *) &cmd_to_abort->Header.LUN.LunAddrBytes[0], TYPE_MSG); - /* sendcmd turned off interrputs on the board, turn 'em back on. */ + /* sendcmd turned off interrupts on the board, turn 'em back on. */ (*c)->access.set_intr_mask(*c, CCISS_INTR_ON); if (rc == 0) return SUCCESS; diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 924ddd8bccd2..3b1a68d6eddb 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -7,8 +7,10 @@ #include <linux/scatterlist.h> #define VIRTIO_MAX_SG (3+MAX_PHYS_SEGMENTS) +#define PART_BITS 4 + +static int major, index; -static unsigned char virtblk_index = 'a'; struct virtio_blk { spinlock_t lock; @@ -36,7 +38,7 @@ struct virtblk_req struct virtio_blk_inhdr in_hdr; }; -static bool blk_done(struct virtqueue *vq) +static void blk_done(struct virtqueue *vq) { struct virtio_blk *vblk = vq->vdev->priv; struct virtblk_req *vbr; @@ -65,7 +67,6 @@ static bool blk_done(struct virtqueue *vq) /* In case queue is stopped waiting for more buffers. */ blk_start_queue(vblk->disk->queue); spin_unlock_irqrestore(&vblk->lock, flags); - return true; } static bool do_req(struct request_queue *q, struct virtio_blk *vblk, @@ -153,20 +154,37 @@ static int virtblk_ioctl(struct inode *inode, struct file *filp, (void __user *)data); } +/* We provide getgeo only to please some old bootloader/partitioning tools */ +static int virtblk_getgeo(struct block_device *bd, struct hd_geometry *geo) +{ + /* some standard values, similar to sd */ + geo->heads = 1 << 6; + geo->sectors = 1 << 5; + geo->cylinders = get_capacity(bd->bd_disk) >> 11; + return 0; +} + static struct block_device_operations virtblk_fops = { - .ioctl = virtblk_ioctl, - .owner = THIS_MODULE, + .ioctl = virtblk_ioctl, + .owner = THIS_MODULE, + .getgeo = virtblk_getgeo, }; +static int index_to_minor(int index) +{ + return index << PART_BITS; +} + static int virtblk_probe(struct virtio_device *vdev) { struct virtio_blk *vblk; - int err, major; - void *token; - unsigned int len; + int err; u64 cap; u32 v; + if (index_to_minor(index) >= 1 << MINORBITS) + return -ENOSPC; + vdev->priv = vblk = kmalloc(sizeof(*vblk), GFP_KERNEL); if (!vblk) { err = -ENOMEM; @@ -178,7 +196,7 @@ static int virtblk_probe(struct virtio_device *vdev) vblk->vdev = vdev; /* We expect one virtqueue, for output. */ - vblk->vq = vdev->config->find_vq(vdev, blk_done); + vblk->vq = vdev->config->find_vq(vdev, 0, blk_done); if (IS_ERR(vblk->vq)) { err = PTR_ERR(vblk->vq); goto out_free_vblk; @@ -190,17 +208,11 @@ static int virtblk_probe(struct virtio_device *vdev) goto out_free_vq; } - major = register_blkdev(0, "virtblk"); - if (major < 0) { - err = major; - goto out_mempool; - } - /* FIXME: How many partitions? How long is a piece of string? */ - vblk->disk = alloc_disk(1 << 4); + vblk->disk = alloc_disk(1 << PART_BITS); if (!vblk->disk) { err = -ENOMEM; - goto out_unregister_blkdev; + goto out_mempool; } vblk->disk->queue = blk_init_queue(do_virtblk_request, &vblk->lock); @@ -209,22 +221,32 @@ static int virtblk_probe(struct virtio_device *vdev) goto out_put_disk; } - sprintf(vblk->disk->disk_name, "vd%c", virtblk_index++); + if (index < 26) { + sprintf(vblk->disk->disk_name, "vd%c", 'a' + index % 26); + } else if (index < (26 + 1) * 26) { + sprintf(vblk->disk->disk_name, "vd%c%c", + 'a' + index / 26 - 1, 'a' + index % 26); + } else { + const unsigned int m1 = (index / 26 - 1) / 26 - 1; + const unsigned int m2 = (index / 26 - 1) % 26; + const unsigned int m3 = index % 26; + sprintf(vblk->disk->disk_name, "vd%c%c%c", + 'a' + m1, 'a' + m2, 'a' + m3); + } + vblk->disk->major = major; - vblk->disk->first_minor = 0; + vblk->disk->first_minor = index_to_minor(index); vblk->disk->private_data = vblk; vblk->disk->fops = &virtblk_fops; + index++; /* If barriers are supported, tell block layer that queue is ordered */ - token = vdev->config->find(vdev, VIRTIO_CONFIG_BLK_F, &len); - if (virtio_use_bit(vdev, token, len, VIRTIO_BLK_F_BARRIER)) + if (vdev->config->feature(vdev, VIRTIO_BLK_F_BARRIER)) blk_queue_ordered(vblk->disk->queue, QUEUE_ORDERED_TAG, NULL); - err = virtio_config_val(vdev, VIRTIO_CONFIG_BLK_F_CAPACITY, &cap); - if (err) { - dev_err(&vdev->dev, "Bad/missing capacity in config\n"); - goto out_cleanup_queue; - } + /* Host must always specify the capacity. */ + __virtio_config_val(vdev, offsetof(struct virtio_blk_config, capacity), + &cap); /* If capacity is too big, truncate with warning. */ if ((sector_t)cap != cap) { @@ -234,31 +256,25 @@ static int virtblk_probe(struct virtio_device *vdev) } set_capacity(vblk->disk, cap); - err = virtio_config_val(vdev, VIRTIO_CONFIG_BLK_F_SIZE_MAX, &v); + /* Host can optionally specify maximum segment size and number of + * segments. */ + err = virtio_config_val(vdev, VIRTIO_BLK_F_SIZE_MAX, + offsetof(struct virtio_blk_config, size_max), + &v); if (!err) blk_queue_max_segment_size(vblk->disk->queue, v); - else if (err != -ENOENT) { - dev_err(&vdev->dev, "Bad SIZE_MAX in config\n"); - goto out_cleanup_queue; - } - err = virtio_config_val(vdev, VIRTIO_CONFIG_BLK_F_SEG_MAX, &v); + err = virtio_config_val(vdev, VIRTIO_BLK_F_SEG_MAX, + offsetof(struct virtio_blk_config, seg_max), + &v); if (!err) blk_queue_max_hw_segments(vblk->disk->queue, v); - else if (err != -ENOENT) { - dev_err(&vdev->dev, "Bad SEG_MAX in config\n"); - goto out_cleanup_queue; - } add_disk(vblk->disk); return 0; -out_cleanup_queue: - blk_cleanup_queue(vblk->disk->queue); out_put_disk: put_disk(vblk->disk); -out_unregister_blkdev: - unregister_blkdev(major, "virtblk"); out_mempool: mempool_destroy(vblk->pool); out_free_vq: @@ -274,12 +290,16 @@ static void virtblk_remove(struct virtio_device *vdev) struct virtio_blk *vblk = vdev->priv; int major = vblk->disk->major; + /* Nothing should be pending. */ BUG_ON(!list_empty(&vblk->reqs)); + + /* Stop all the virtqueues. */ + vdev->config->reset(vdev); + blk_cleanup_queue(vblk->disk->queue); put_disk(vblk->disk); unregister_blkdev(major, "virtblk"); mempool_destroy(vblk->pool); - /* There should be nothing in the queue now, so no need to shutdown */ vdev->config->del_vq(vblk->vq); kfree(vblk); } @@ -299,11 +319,15 @@ static struct virtio_driver virtio_blk = { static int __init init(void) { + major = register_blkdev(0, "virtblk"); + if (major < 0) + return major; return register_virtio_driver(&virtio_blk); } static void __exit fini(void) { + unregister_blkdev(major, "virtblk"); unregister_virtio_driver(&virtio_blk); } module_init(init); diff --git a/drivers/bluetooth/btuart_cs.c b/drivers/bluetooth/btuart_cs.c index 08f48d577aba..dade1626865b 100644 --- a/drivers/bluetooth/btuart_cs.c +++ b/drivers/bluetooth/btuart_cs.c @@ -383,7 +383,7 @@ static void btuart_change_speed(btuart_info_t *info, unsigned int speed) outb(lcr, iobase + UART_LCR); /* Set 8N1 */ outb(fcr, iobase + UART_FCR); /* Enable FIFO's */ - /* Turn on interrups */ + /* Turn on interrupts */ outb(UART_IER_RLSI | UART_IER_RDI | UART_IER_THRI, iobase + UART_IER); spin_unlock_irqrestore(&(info->lock), flags); diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c index e8d50af58201..ef5e6b130c48 100644 --- a/drivers/char/drm/drm_vm.c +++ b/drivers/char/drm/drm_vm.c @@ -506,6 +506,7 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma) vma->vm_ops = &drm_vm_dma_ops; vma->vm_flags |= VM_RESERVED; /* Don't swap */ + vma->vm_flags |= VM_DONTEXPAND; vma->vm_file = filp; /* Needed for drm_vm_open() */ drm_vm_open_locked(vma); @@ -655,6 +656,7 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma) return -EINVAL; /* This should never happen. */ } vma->vm_flags |= VM_RESERVED; /* Don't swap */ + vma->vm_flags |= VM_DONTEXPAND; vma->vm_file = filp; /* Needed for drm_vm_open() */ drm_vm_open_locked(vma); diff --git a/drivers/char/drm/r300_reg.h b/drivers/char/drm/r300_reg.h index 3ae57ecc7afd..fa194a46c1e4 100644 --- a/drivers/char/drm/r300_reg.h +++ b/drivers/char/drm/r300_reg.h @@ -584,7 +584,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. #define R300_RE_FOG_START 0x4298 /* Not sure why there are duplicate of factor and constant values. - * My best guess so far is that there are seperate zbiases for test and write. + * My best guess so far is that there are separate zbiases for test and write. * Ordering might be wrong. * Some of the tests indicate that fgl has a fallback implementation of zbias * via pixel shaders. diff --git a/drivers/char/drm/via_dma.c b/drivers/char/drm/via_dma.c index 75d6b748c2c0..7009dbddac43 100644 --- a/drivers/char/drm/via_dma.c +++ b/drivers/char/drm/via_dma.c @@ -400,7 +400,7 @@ static inline uint32_t *via_align_buffer(drm_via_private_t * dev_priv, } /* - * This function is used internally by ring buffer mangement code. + * This function is used internally by ring buffer management code. * * Returns virtual pointer to ring buffer. */ diff --git a/drivers/char/efirtc.c b/drivers/char/efirtc.c index 004141d535a2..49233f589874 100644 --- a/drivers/char/efirtc.c +++ b/drivers/char/efirtc.c @@ -18,7 +18,7 @@ * * NOTES: * - Locking is required for safe execution of EFI calls with regards - * to interrrupts and SMP. + * to interrupts and SMP. * * TODO (December 1999): * - provide the API to set/get the WakeUp Alarm (different from the diff --git a/drivers/char/epca.c b/drivers/char/epca.c index ffcecde9e2a5..ffd747c5dff0 100644 --- a/drivers/char/epca.c +++ b/drivers/char/epca.c @@ -1797,7 +1797,7 @@ static unsigned termios2digi_c(struct channel *ch, unsigned cflag) res |= cflag & ((CBAUD ^ CBAUDEX) | PARODD | PARENB | CSTOPB | CSIZE); /* * This gets a little confusing. The Digi cards have their own - * representation of c_cflags controling baud rate. For the most part + * representation of c_cflags controlling baud rate. For the most part * this is identical to the Linux implementation. However; Digi * supports one rate (76800) that Linux doesn't. This means that the * c_cflag entry that would normally mean 76800 for Digi actually means @@ -2068,7 +2068,7 @@ static int info_ioctl(struct tty_struct *tty, struct file *file, { /* * This call is made by the apps to complete the - * initilization of the board(s). This routine is + * initialization of the board(s). This routine is * responsible for setting the card to its initial * state and setting the drivers control fields to the * sutianle settings for the card in question. diff --git a/drivers/char/hangcheck-timer.c b/drivers/char/hangcheck-timer.c index 0e8ceea5ea78..712d9f271aa6 100644 --- a/drivers/char/hangcheck-timer.c +++ b/drivers/char/hangcheck-timer.c @@ -26,7 +26,7 @@ * The hangcheck-timer driver uses the TSC to catch delays that * jiffies does not notice. A timer is set. When the timer fires, it * checks whether it was delayed and if that delay exceeds a given - * margin of error. The hangcheck_tick module paramter takes the timer + * margin of error. The hangcheck_tick module parameter takes the timer * duration in seconds. The hangcheck_margin parameter defines the * margin of error, in seconds. The defaults are 60 seconds for the * timer and 180 seconds for the margin of error. IOW, a timer is set diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c index fd7559084b82..3402def22007 100644 --- a/drivers/char/hvcs.c +++ b/drivers/char/hvcs.c @@ -838,7 +838,7 @@ static int __devexit hvcs_remove(struct vio_dev *dev) if (!hvcsd) return -ENODEV; - /* By this time the vty-server won't be getting any more interrups */ + /* By this time the vty-server won't be getting any more interrupts */ spin_lock_irqsave(&hvcsd->lock, flags); diff --git a/drivers/char/ip2/i2lib.c b/drivers/char/ip2/i2lib.c index e46120d05b68..d6567b32fb5c 100644 --- a/drivers/char/ip2/i2lib.c +++ b/drivers/char/ip2/i2lib.c @@ -661,7 +661,7 @@ i2QueueCommands(int type, i2ChanStrPtr pCh, int timeout, int nCommands, if (!in_interrupt()) { schedule_timeout_interruptible(1); // short nap } else { - // we cannot sched/sleep in interrrupt silly + // we cannot sched/sleep in interrupt silly return 0; } if (signal_pending(current)) { diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c index e04e66cf2c68..0f49ccf02a7f 100644 --- a/drivers/char/ip2/ip2main.c +++ b/drivers/char/ip2/ip2main.c @@ -1251,7 +1251,7 @@ ip2_poll(unsigned long arg) // Just polled boards, IRQ = 0 will hit all non-interrupt boards. // It will NOT poll boards handled by hard interrupts. - // The issue of queued BH interrups is handled in ip2_interrupt(). + // The issue of queued BH interrupts is handled in ip2_interrupt(). ip2_polled_interrupt(); PollTimer.expires = POLL_TIMEOUT; diff --git a/drivers/char/mspec.c b/drivers/char/mspec.c index 82f2e27dca7d..ff146c2b08fd 100644 --- a/drivers/char/mspec.c +++ b/drivers/char/mspec.c @@ -283,7 +283,7 @@ mspec_mmap(struct file *file, struct vm_area_struct *vma, vdata->refcnt = ATOMIC_INIT(1); vma->vm_private_data = vdata; - vma->vm_flags |= (VM_IO | VM_RESERVED | VM_PFNMAP); + vma->vm_flags |= (VM_IO | VM_RESERVED | VM_PFNMAP | VM_DONTEXPAND); if (vdata->type == MSPEC_FETCHOP || vdata->type == MSPEC_UNCACHED) vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); vma->vm_ops = &mspec_vm_ops; diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c index 6076e662886a..dfaab2322de3 100644 --- a/drivers/char/nozomi.c +++ b/drivers/char/nozomi.c @@ -2,7 +2,7 @@ * nozomi.c -- HSDPA driver Broadband Wireless Data Card - Globe Trotter * * Written by: Ulf Jakobsson, - * Jan �erfeldt, + * Jan Åkerfeldt, * Stefan Thomasson, * * Maintained by: Paul Hardwick (p.hardwick@option.com) @@ -38,60 +38,6 @@ * -------------------------------------------------------------------------- */ -/* - * CHANGELOG - * Version 2.1d - * 11-November-2007 Jiri Slaby, Frank Seidel - * - Big rework of multicard support by Jiri - * - Major cleanups (semaphore to mutex, endianess, no major reservation) - * - Optimizations - * - * Version 2.1c - * 30-October-2007 Frank Seidel - * - Completed multicard support - * - Minor cleanups - * - * Version 2.1b - * 07-August-2007 Frank Seidel - * - Minor cleanups - * - theoretical multicard support - * - * Version 2.1 - * 03-July-2006 Paul Hardwick - * - * - Stability Improvements. Incorporated spinlock wraps patch. - * - Updated for newer 2.6.14+ kernels (tty_buffer_request_room) - * - using __devexit macro for tty - * - * - * Version 2.0 - * 08-feb-2006 15:34:10:Ulf - * - * -Fixed issue when not waking up line disipine layer, could probably result - * in better uplink performance for 2.4. - * - * -Fixed issue with big endian during initalization, now proper toggle flags - * are handled between preloader and maincode. - * - * -Fixed flow control issue. - * - * -Added support for setting DTR. - * - * -For 2.4 kernels, removing temporary buffer that's not needed. - * - * -Reading CTS only for modem port (only port that supports it). - * - * -Return 0 in write_room instead of netative value, it's not handled in - * upper layer. - * - * -------------------------------------------------------------------------- - * Version 1.0 - * - * First version of driver, only tested with card of type F32_2. - * Works fine with 2.4 and 2.6 kernels. - * Driver also support big endian architecture. - */ - /* Enable this to have a lot of debug printouts */ #define DEBUG @@ -143,8 +89,9 @@ do { \ /* Do we need this settable at runtime? */ static int debug = NOZOMI_DEBUG_LEVEL; -#define D(lvl, args...) do {if (lvl & debug) NFO(KERN_DEBUG, ##args); } \ - while (0) +#define D(lvl, args...) do \ + {if (lvl & debug) NFO(KERN_DEBUG, ##args); } \ + while (0) #define D_(lvl, args...) D(lvl, ##args) /* These printouts are always printed */ @@ -273,13 +220,13 @@ enum port_type { /* Big endian */ struct toggles { - unsigned enabled:5; /* + unsigned int enabled:5; /* * Toggle fields are valid if enabled is 0, * else A-channels must always be used. */ - unsigned diag_dl:1; - unsigned mdm_dl:1; - unsigned mdm_ul:1; + unsigned int diag_dl:1; + unsigned int mdm_dl:1; + unsigned int mdm_ul:1; } __attribute__ ((packed)); /* Configuration table to read at startup of card */ @@ -320,19 +267,19 @@ struct config_table { /* This stores all control downlink flags */ struct ctrl_dl { u8 port; - unsigned reserved:4; - unsigned CTS:1; - unsigned RI:1; - unsigned DCD:1; - unsigned DSR:1; + unsigned int reserved:4; + unsigned int CTS:1; + unsigned int RI:1; + unsigned int DCD:1; + unsigned int DSR:1; } __attribute__ ((packed)); /* This stores all control uplink flags */ struct ctrl_ul { u8 port; - unsigned reserved:6; - unsigned RTS:1; - unsigned DTR:1; + unsigned int reserved:6; + unsigned int RTS:1; + unsigned int DTR:1; } __attribute__ ((packed)); #else @@ -340,10 +287,10 @@ struct ctrl_ul { /* This represents the toggle information */ struct toggles { - unsigned mdm_ul:1; - unsigned mdm_dl:1; - unsigned diag_dl:1; - unsigned enabled:5; /* + unsigned int mdm_ul:1; + unsigned int mdm_dl:1; + unsigned int diag_dl:1; + unsigned int enabled:5; /* * Toggle fields are valid if enabled is 0, * else A-channels must always be used. */ @@ -379,19 +326,19 @@ struct config_table { /* This stores all control downlink flags */ struct ctrl_dl { - unsigned DSR:1; - unsigned DCD:1; - unsigned RI:1; - unsigned CTS:1; - unsigned reserverd:4; + unsigned int DSR:1; + unsigned int DCD:1; + unsigned int RI:1; + unsigned int CTS:1; + unsigned int reserverd:4; u8 port; } __attribute__ ((packed)); /* This stores all control uplink flags */ struct ctrl_ul { - unsigned DTR:1; - unsigned RTS:1; - unsigned reserved:6; + unsigned int DTR:1; + unsigned int RTS:1; + unsigned int reserved:6; u8 port; } __attribute__ ((packed)); #endif @@ -448,7 +395,7 @@ struct buffer { } __attribute__ ((packed)); /* Global variables */ -static struct pci_device_id nozomi_pci_tbl[] = { +static const struct pci_device_id nozomi_pci_tbl[] __devinitconst = { {PCI_DEVICE(VENDOR1, DEVICE1)}, {}, }; @@ -524,12 +471,12 @@ out: * -Optimize * -Rewrite cleaner */ -static u32 write_mem32(void __iomem *mem_addr_start, u32 *buf, +static u32 write_mem32(void __iomem *mem_addr_start, const u32 *buf, u32 size_bytes) { u32 i = 0; u32 *ptr = (__force u32 *) mem_addr_start; - u16 *buf16; + const u16 *buf16; if (unlikely(!ptr || !buf)) return 0; @@ -537,7 +484,7 @@ static u32 write_mem32(void __iomem *mem_addr_start, u32 *buf, /* shortcut for extremely often used cases */ switch (size_bytes) { case 2: /* 2 bytes */ - buf16 = (u16 *) buf; + buf16 = (const u16 *)buf; writew(__cpu_to_le16(*buf16), (void __iomem *)ptr); return 2; break; @@ -554,7 +501,7 @@ static u32 write_mem32(void __iomem *mem_addr_start, u32 *buf, while (i < size_bytes) { if (size_bytes - i == 2) { /* 2 bytes */ - buf16 = (u16 *) buf; + buf16 = (const u16 *)buf; writew(__cpu_to_le16(*buf16), (void __iomem *)ptr); i += 2; } else { @@ -694,7 +641,7 @@ static void dump_table(const struct nozomi *dc) dc->config_table.ul_ctrl_len); } #else -static __inline__ void dump_table(const struct nozomi *dc) { } +static inline void dump_table(const struct nozomi *dc) { } #endif /* @@ -776,8 +723,7 @@ static int nozomi_read_config_table(struct nozomi *dc) /* Enable uplink interrupts */ static void enable_transmit_ul(enum port_type port, struct nozomi *dc) { - u16 mask[NOZOMI_MAX_PORTS] = \ - {MDM_UL, DIAG_UL, APP1_UL, APP2_UL, CTRL_UL}; + static const u16 mask[] = {MDM_UL, DIAG_UL, APP1_UL, APP2_UL, CTRL_UL}; if (port < NOZOMI_MAX_PORTS) { dc->last_ier |= mask[port]; @@ -790,8 +736,8 @@ static void enable_transmit_ul(enum port_type port, struct nozomi *dc) /* Disable uplink interrupts */ static void disable_transmit_ul(enum port_type port, struct nozomi *dc) { - u16 mask[NOZOMI_MAX_PORTS] = \ - {~MDM_UL, ~DIAG_UL, ~APP1_UL, ~APP2_UL, ~CTRL_UL}; + static const u16 mask[] = + {~MDM_UL, ~DIAG_UL, ~APP1_UL, ~APP2_UL, ~CTRL_UL}; if (port < NOZOMI_MAX_PORTS) { dc->last_ier &= mask[port]; @@ -804,8 +750,7 @@ static void disable_transmit_ul(enum port_type port, struct nozomi *dc) /* Enable downlink interrupts */ static void enable_transmit_dl(enum port_type port, struct nozomi *dc) { - u16 mask[NOZOMI_MAX_PORTS] = \ - {MDM_DL, DIAG_DL, APP1_DL, APP2_DL, CTRL_DL}; + static const u16 mask[] = {MDM_DL, DIAG_DL, APP1_DL, APP2_DL, CTRL_DL}; if (port < NOZOMI_MAX_PORTS) { dc->last_ier |= mask[port]; @@ -818,8 +763,8 @@ static void enable_transmit_dl(enum port_type port, struct nozomi *dc) /* Disable downlink interrupts */ static void disable_transmit_dl(enum port_type port, struct nozomi *dc) { - u16 mask[NOZOMI_MAX_PORTS] = \ - {~MDM_DL, ~DIAG_DL, ~APP1_DL, ~APP2_DL, ~CTRL_DL}; + static const u16 mask[] = + {~MDM_DL, ~DIAG_DL, ~APP1_DL, ~APP2_DL, ~CTRL_DL}; if (port < NOZOMI_MAX_PORTS) { dc->last_ier &= mask[port]; @@ -833,13 +778,13 @@ static void disable_transmit_dl(enum port_type port, struct nozomi *dc) * Return 1 - send buffer to card and ack. * Return 0 - don't ack, don't send buffer to card. */ -static int send_data(enum port_type index, struct nozomi *dc) +static int send_data(enum port_type index, const struct nozomi *dc) { u32 size = 0; - struct port *port = &dc->port[index]; - u8 toggle = port->toggle_ul; + const struct port *port = &dc->port[index]; + const u8 toggle = port->toggle_ul; void __iomem *addr = port->ul_addr[toggle]; - u32 ul_size = port->ul_size[toggle]; + const u32 ul_size = port->ul_size[toggle]; struct tty_struct *tty = port->tty; /* Get data from tty and place in buf for now */ @@ -1102,7 +1047,7 @@ static int send_flow_control(struct nozomi *dc) } /* - * Handle donlink data, ports that are handled are modem and diagnostics + * Handle downlink data, ports that are handled are modem and diagnostics * Return 1 - ok * Return 0 - toggle fields are out of sync */ @@ -1359,20 +1304,20 @@ static void nozomi_setup_private_data(struct nozomi *dc) static ssize_t card_type_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct nozomi *dc = pci_get_drvdata(to_pci_dev(dev)); + const struct nozomi *dc = pci_get_drvdata(to_pci_dev(dev)); return sprintf(buf, "%d\n", dc->card_type); } -static DEVICE_ATTR(card_type, 0444, card_type_show, NULL); +static DEVICE_ATTR(card_type, S_IRUGO, card_type_show, NULL); static ssize_t open_ttys_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct nozomi *dc = pci_get_drvdata(to_pci_dev(dev)); + const struct nozomi *dc = pci_get_drvdata(to_pci_dev(dev)); return sprintf(buf, "%u\n", dc->open_ttys); } -static DEVICE_ATTR(open_ttys, 0444, open_ttys_show, NULL); +static DEVICE_ATTR(open_ttys, S_IRUGO, open_ttys_show, NULL); static void make_sysfs_files(struct nozomi *dc) { @@ -1735,7 +1680,7 @@ static int ntty_write_room(struct tty_struct *tty) { struct port *port = tty->driver_data; int room = 0; - struct nozomi *dc = get_dc_by_tty(tty); + const struct nozomi *dc = get_dc_by_tty(tty); if (!dc || !port) return 0; @@ -1755,9 +1700,9 @@ exit: /* Gets io control parameters */ static int ntty_tiocmget(struct tty_struct *tty, struct file *file) { - struct port *port = tty->driver_data; - struct ctrl_dl *ctrl_dl = &port->ctrl_dl; - struct ctrl_ul *ctrl_ul = &port->ctrl_ul; + const struct port *port = tty->driver_data; + const struct ctrl_dl *ctrl_dl = &port->ctrl_dl; + const struct ctrl_ul *ctrl_ul = &port->ctrl_ul; return (ctrl_ul->RTS ? TIOCM_RTS : 0) | (ctrl_ul->DTR ? TIOCM_DTR : 0) | @@ -1787,7 +1732,7 @@ static int ntty_tiocmset(struct tty_struct *tty, struct file *file, static int ntty_cflags_changed(struct port *port, unsigned long flags, struct async_icount *cprev) { - struct async_icount cnow = port->tty_icount; + const struct async_icount cnow = port->tty_icount; int ret; ret = ((flags & TIOCM_RNG) && (cnow.rng != cprev->rng)) || @@ -1802,7 +1747,7 @@ static int ntty_cflags_changed(struct port *port, unsigned long flags, static int ntty_ioctl_tiocgicount(struct port *port, void __user *argp) { - struct async_icount cnow = port->tty_icount; + const struct async_icount cnow = port->tty_icount; struct serial_icounter_struct icount; icount.cts = cnow.cts; @@ -1882,7 +1827,10 @@ static void ntty_throttle(struct tty_struct *tty) /* just to discard single character writes */ static void ntty_put_char(struct tty_struct *tty, unsigned char c) { - /* FIXME !!! */ + /* + * card does not react correct when we write single chars + * to the card, so we discard them + */ DBG2("PUT CHAR Function: %c", c); } @@ -1910,7 +1858,7 @@ exit_in_buffer: return rval; } -static struct tty_operations tty_ops = { +static const struct tty_operations tty_ops = { .ioctl = ntty_ioctl, .open = ntty_open, .close = ntty_close, diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c index 905d1f51a7bf..d010ed95ed3b 100644 --- a/drivers/char/synclink.c +++ b/drivers/char/synclink.c @@ -1544,7 +1544,7 @@ static void mgsl_isr_receive_data( struct mgsl_struct *info ) /* mgsl_isr_misc() * - * Service a miscellaneos interrupt source. + * Service a miscellaneous interrupt source. * * Arguments: info pointer to device extension (instance data) * Return Value: None diff --git a/drivers/char/toshiba.c b/drivers/char/toshiba.c index 5422f999636f..ce5ebe3b168f 100644 --- a/drivers/char/toshiba.c +++ b/drivers/char/toshiba.c @@ -505,7 +505,7 @@ static int __init toshiba_init(void) if (tosh_probe()) return -ENODEV; - printk(KERN_INFO "Toshiba System Managment Mode driver v" TOSH_VERSION "\n"); + printk(KERN_INFO "Toshiba System Management Mode driver v" TOSH_VERSION "\n"); /* set the port to use for Fn status if not specified as a parameter */ if (tosh_fn==0x00) diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index e34da5c97196..dc17fe3a88bc 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -158,13 +158,13 @@ static int __devinit virtcons_probe(struct virtio_device *dev) /* Find the input queue. */ /* FIXME: This is why we want to wean off hvc: we do nothing * when input comes in. */ - in_vq = vdev->config->find_vq(vdev, NULL); + in_vq = vdev->config->find_vq(vdev, 0, NULL); if (IS_ERR(in_vq)) { err = PTR_ERR(in_vq); goto free; } - out_vq = vdev->config->find_vq(vdev, NULL); + out_vq = vdev->config->find_vq(vdev, 1, NULL); if (IS_ERR(out_vq)) { err = PTR_ERR(out_vq); goto free_in_vq; diff --git a/drivers/dio/dio-driver.c b/drivers/dio/dio-driver.c index e4c48e329367..8cd8507b1a8a 100644 --- a/drivers/dio/dio-driver.c +++ b/drivers/dio/dio-driver.c @@ -15,16 +15,15 @@ #include <linux/dio.h> - /** - * dio_match_device - Tell if a DIO device structure has a matching - * DIO device id structure - * @ids: array of DIO device id structures to search in - * @dev: the DIO device structure to match against - * - * Used by a driver to check whether a DIO device present in the - * system is in its list of supported devices. Returns the matching - * dio_device_id structure or %NULL if there is no match. - */ +/** + * dio_match_device - Tell if a DIO device structure has a matching DIO device id structure + * @ids: array of DIO device id structures to search in + * @d: the DIO device structure to match against + * + * Used by a driver to check whether a DIO device present in the + * system is in its list of supported devices. Returns the matching + * dio_device_id structure or %NULL if there is no match. + */ const struct dio_device_id * dio_match_device(const struct dio_device_id *ids, @@ -66,13 +65,13 @@ static int dio_device_probe(struct device *dev) } - /** - * dio_register_driver - register a new DIO driver - * @drv: the driver structure to register - * - * Adds the driver structure to the list of registered drivers - * Returns zero or a negative error value. - */ +/** + * dio_register_driver - register a new DIO driver + * @drv: the driver structure to register + * + * Adds the driver structure to the list of registered drivers + * Returns zero or a negative error value. + */ int dio_register_driver(struct dio_driver *drv) { @@ -85,15 +84,15 @@ int dio_register_driver(struct dio_driver *drv) } - /** - * dio_unregister_driver - unregister a DIO driver - * @drv: the driver structure to unregister - * - * Deletes the driver structure from the list of registered DIO drivers, - * gives it a chance to clean up by calling its remove() function for - * each device it was responsible for, and marks those devices as - * driverless. - */ +/** + * dio_unregister_driver - unregister a DIO driver + * @drv: the driver structure to unregister + * + * Deletes the driver structure from the list of registered DIO drivers, + * gives it a chance to clean up by calling its remove() function for + * each device it was responsible for, and marks those devices as + * driverless. + */ void dio_unregister_driver(struct dio_driver *drv) { @@ -101,16 +100,15 @@ void dio_unregister_driver(struct dio_driver *drv) } - /** - * dio_bus_match - Tell if a DIO device structure has a matching DIO - * device id structure - * @ids: array of DIO device id structures to search in - * @dev: the DIO device structure to match against - * - * Used by a driver to check whether a DIO device present in the - * system is in its list of supported devices. Returns the matching - * dio_device_id structure or %NULL if there is no match. - */ +/** + * dio_bus_match - Tell if a DIO device structure has a matching DIO device id structure + * @dev: the DIO device structure to match against + * @drv: the &device_driver that points to the array of DIO device id structures to search + * + * Used by a driver to check whether a DIO device present in the + * system is in its list of supported devices. Returns the matching + * dio_device_id structure or %NULL if there is no match. + */ static int dio_bus_match(struct device *dev, struct device_driver *drv) { diff --git a/drivers/edac/edac_pci.c b/drivers/edac/edac_pci.c index 5dee9f50414b..e0b47b74ec45 100644 --- a/drivers/edac/edac_pci.c +++ b/drivers/edac/edac_pci.c @@ -73,7 +73,7 @@ EXPORT_SYMBOL_GPL(edac_pci_alloc_ctl_info); * * Last action on the pci control structure. * - * call the remove sysfs informaton, which will unregister + * call the remove sysfs information, which will unregister * this control struct's kobj. When that kobj's ref count * goes to zero, its release function will be call and then * kfree() the memory. diff --git a/drivers/edac/i5000_edac.c b/drivers/edac/i5000_edac.c index a1f24c42d5ff..5a852017c17a 100644 --- a/drivers/edac/i5000_edac.c +++ b/drivers/edac/i5000_edac.c @@ -351,7 +351,7 @@ struct i5000_pvt { u16 b1_ambpresent0; /* Branch 1, Channel 8 */ u16 b1_ambpresent1; /* Branch 1, Channel 1 */ - /* DIMM infomation matrix, allocating architecture maximums */ + /* DIMM information matrix, allocating architecture maximums */ struct i5000_dimm_info dimm_info[MAX_CSROWS][MAX_CHANNELS]; /* Actual values for this controller */ diff --git a/drivers/firmware/edd.c b/drivers/firmware/edd.c index d168223db159..744011989044 100644 --- a/drivers/firmware/edd.c +++ b/drivers/firmware/edd.c @@ -11,7 +11,7 @@ * * This code takes information provided by BIOS EDD calls * fn41 - Check Extensions Present and - * fn48 - Get Device Parametes with EDD extensions + * fn48 - Get Device Parameters with EDD extensions * made in setup.S, copied to safe structures in setup.c, * and presents it in sysfs. * diff --git a/drivers/ide/ide-timing.h b/drivers/ide/ide-timing.h index adeda7626529..3b12ffe77071 100644 --- a/drivers/ide/ide-timing.h +++ b/drivers/ide/ide-timing.h @@ -199,7 +199,7 @@ static int ide_timing_compute(ide_drive_t *drive, short speed, struct ide_timing } /* - * Lenghten active & recovery time so that cycle time is correct. + * Lengthen active & recovery time so that cycle time is correct. */ if (t->act8b + t->rec8b < t->cyc8b) { diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c index 1dc2ac9f3d1c..c5600ac5feb3 100644 --- a/drivers/input/gameport/gameport.c +++ b/drivers/input/gameport/gameport.c @@ -17,7 +17,6 @@ #include <linux/init.h> #include <linux/gameport.h> #include <linux/wait.h> -#include <linux/sched.h> #include <linux/slab.h> #include <linux/delay.h> #include <linux/kthread.h> diff --git a/drivers/input/keyboard/bf54x-keys.c b/drivers/input/keyboard/bf54x-keys.c index e5f4da928340..05e3494cf8b8 100644 --- a/drivers/input/keyboard/bf54x-keys.c +++ b/drivers/input/keyboard/bf54x-keys.c @@ -42,7 +42,6 @@ #include <linux/delay.h> #include <linux/platform_device.h> #include <linux/input.h> -#include <linux/irq.h> #include <asm/portmux.h> #include <asm/mach/bf54x_keys.h> diff --git a/drivers/input/keyboard/jornada720_kbd.c b/drivers/input/keyboard/jornada720_kbd.c index e6696b3c9416..986f93cfc6b8 100644 --- a/drivers/input/keyboard/jornada720_kbd.c +++ b/drivers/input/keyboard/jornada720_kbd.c @@ -17,7 +17,6 @@ */ #include <linux/device.h> #include <linux/errno.h> -#include <linux/init.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/input.h> diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c index 3e99df6be084..adc3bd6e7f7b 100644 --- a/drivers/input/serio/gscps2.c +++ b/drivers/input/serio/gscps2.c @@ -141,7 +141,7 @@ static void gscps2_flush(struct gscps2port *ps2port) /* * gscps2_writeb_output() - write a byte to the port * - * returns 1 on sucess, 0 on error + * returns 1 on success, 0 on error */ static inline int gscps2_writeb_output(struct gscps2port *ps2port, u8 data) diff --git a/drivers/isdn/hardware/eicon/debuglib.c b/drivers/isdn/hardware/eicon/debuglib.c index a19b7ffe9ace..e39c5c1f623e 100644 --- a/drivers/isdn/hardware/eicon/debuglib.c +++ b/drivers/isdn/hardware/eicon/debuglib.c @@ -106,7 +106,7 @@ DbgRegister (char *drvName, char *drvTag, unsigned long dbgMask) return (1) ; } /* - * Check if we registered whith an old maint driver (see debuglib.h) + * Check if we registered with an old maint driver (see debuglib.h) */ if ( myDriverDebugHandle.dbg_end != NULL /* location of 'dbg_prt' in _OldDbgHandle_ struct */ diff --git a/drivers/isdn/hardware/eicon/debuglib.h b/drivers/isdn/hardware/eicon/debuglib.h index 11b3b9edd1d6..016410cf2273 100644 --- a/drivers/isdn/hardware/eicon/debuglib.h +++ b/drivers/isdn/hardware/eicon/debuglib.h @@ -177,7 +177,7 @@ DBG_DECL(PRV3) } } #endif /* - * For event level debug use a separate define, the paramete are + * For event level debug use a separate define, the parameter are * different and cause compiler errors on some systems. */ #define DBG_EVL_ID(args) \ diff --git a/drivers/isdn/hardware/eicon/di.c b/drivers/isdn/hardware/eicon/di.c index ce8df3878908..10760b3c5eb5 100644 --- a/drivers/isdn/hardware/eicon/di.c +++ b/drivers/isdn/hardware/eicon/di.c @@ -285,7 +285,7 @@ byte pr_dpc(ADAPTER * a) a->ram_in(a, &RcIn->RcId), a->ram_in(a, &RcIn->RcCh), a->ram_inw(a, &RcIn->Reference), - tmp[0], /* type of extended informtion */ + tmp[0], /* type of extended information */ tmp[1]); /* extended information */ a->ram_out(a, &RcIn->Rc, 0); } diff --git a/drivers/isdn/hardware/eicon/message.c b/drivers/isdn/hardware/eicon/message.c index ccd35d047ec8..b9177ca4369a 100644 --- a/drivers/isdn/hardware/eicon/message.c +++ b/drivers/isdn/hardware/eicon/message.c @@ -4941,7 +4941,7 @@ void sig_ind(PLCI * plci) /* b = IE1 */ /* S = IE1 length + cont. */ /* b = IE2 */ - /* S = IE2 lenght + cont. */ + /* S = IE2 length + cont. */ sendf(plci->appl, _MANUFACTURER_I, Id, diff --git a/drivers/isdn/hysdn/hycapi.c b/drivers/isdn/hysdn/hycapi.c index f85450146bdc..d3999a8e9f88 100644 --- a/drivers/isdn/hysdn/hycapi.c +++ b/drivers/isdn/hysdn/hycapi.c @@ -541,7 +541,7 @@ hycapi_rx_capipkt(hysdn_card * card, unsigned char *buf, unsigned short len) } ctrl = &cinfo->capi_ctrl; if(len < CAPI_MSG_BASELEN) { - printk(KERN_ERR "HYSDN Card%d: invalid CAPI-message, lenght %d!\n", + printk(KERN_ERR "HYSDN Card%d: invalid CAPI-message, length %d!\n", card->myid, len); return; } diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c index e2eec38c83c2..84f85e23cca7 100644 --- a/drivers/lguest/lguest_device.c +++ b/drivers/lguest/lguest_device.c @@ -52,57 +52,82 @@ struct lguest_device { /*D:130 * Device configurations * - * The configuration information for a device consists of a series of fields. - * We don't really care what they are: the Launcher set them up, and the driver - * will look at them during setup. + * The configuration information for a device consists of one or more + * virtqueues, a feature bitmaks, and some configuration bytes. The + * configuration bytes don't really matter to us: the Launcher sets them up, and + * the driver will look at them during setup. * - * For us these fields come immediately after that device's descriptor in the - * lguest_devices page. - * - * Each field starts with a "type" byte, a "length" byte, then that number of - * bytes of configuration information. The device descriptor tells us the - * total configuration length so we know when we've reached the last field. */ + * A convenient routine to return the device's virtqueue config array: + * immediately after the descriptor. */ +static struct lguest_vqconfig *lg_vq(const struct lguest_device_desc *desc) +{ + return (void *)(desc + 1); +} -/* type + length bytes */ -#define FHDR_LEN 2 +/* The features come immediately after the virtqueues. */ +static u8 *lg_features(const struct lguest_device_desc *desc) +{ + return (void *)(lg_vq(desc) + desc->num_vq); +} -/* This finds the first field of a given type for a device's configuration. */ -static void *lg_find(struct virtio_device *vdev, u8 type, unsigned int *len) +/* The config space comes after the two feature bitmasks. */ +static u8 *lg_config(const struct lguest_device_desc *desc) { - struct lguest_device_desc *desc = to_lgdev(vdev)->desc; - int i; - - for (i = 0; i < desc->config_len; i += FHDR_LEN + desc->config[i+1]) { - if (desc->config[i] == type) { - /* Mark it used, so Host can know we looked at it, and - * also so we won't find the same one twice. */ - desc->config[i] |= 0x80; - /* Remember, the second byte is the length. */ - *len = desc->config[i+1]; - /* We return a pointer to the field header. */ - return desc->config + i; - } - } + return lg_features(desc) + desc->feature_len * 2; +} - /* Not found: return NULL for failure. */ - return NULL; +/* The total size of the config page used by this device (incl. desc) */ +static unsigned desc_size(const struct lguest_device_desc *desc) +{ + return sizeof(*desc) + + desc->num_vq * sizeof(struct lguest_vqconfig) + + desc->feature_len * 2 + + desc->config_len; +} + +/* This tests (and acknowleges) a feature bit. */ +static bool lg_feature(struct virtio_device *vdev, unsigned fbit) +{ + struct lguest_device_desc *desc = to_lgdev(vdev)->desc; + u8 *features; + + /* Obviously if they ask for a feature off the end of our feature + * bitmap, it's not set. */ + if (fbit / 8 > desc->feature_len) + return false; + + /* The feature bitmap comes after the virtqueues. */ + features = lg_features(desc); + if (!(features[fbit / 8] & (1 << (fbit % 8)))) + return false; + + /* We set the matching bit in the other half of the bitmap to tell the + * Host we want to use this feature. We don't use this yet, but we + * could in future. */ + features[desc->feature_len + fbit / 8] |= (1 << (fbit % 8)); + return true; } /* Once they've found a field, getting a copy of it is easy. */ -static void lg_get(struct virtio_device *vdev, void *token, +static void lg_get(struct virtio_device *vdev, unsigned int offset, void *buf, unsigned len) { - /* Check they didn't ask for more than the length of the field! */ - BUG_ON(len > ((u8 *)token)[1]); - memcpy(buf, token + FHDR_LEN, len); + struct lguest_device_desc *desc = to_lgdev(vdev)->desc; + + /* Check they didn't ask for more than the length of the config! */ + BUG_ON(offset + len > desc->config_len); + memcpy(buf, lg_config(desc) + offset, len); } /* Setting the contents is also trivial. */ -static void lg_set(struct virtio_device *vdev, void *token, +static void lg_set(struct virtio_device *vdev, unsigned int offset, const void *buf, unsigned len) { - BUG_ON(len > ((u8 *)token)[1]); - memcpy(token + FHDR_LEN, buf, len); + struct lguest_device_desc *desc = to_lgdev(vdev)->desc; + + /* Check they didn't ask for more than the length of the config! */ + BUG_ON(offset + len > desc->config_len); + memcpy(lg_config(desc) + offset, buf, len); } /* The operations to get and set the status word just access the status field @@ -114,9 +139,20 @@ static u8 lg_get_status(struct virtio_device *vdev) static void lg_set_status(struct virtio_device *vdev, u8 status) { + BUG_ON(!status); to_lgdev(vdev)->desc->status = status; } +/* To reset the device, we (ab)use the NOTIFY hypercall, with the descriptor + * address of the device. The Host will zero the status and all the + * features. */ +static void lg_reset(struct virtio_device *vdev) +{ + unsigned long offset = (void *)to_lgdev(vdev)->desc - lguest_devices; + + hcall(LHCALL_NOTIFY, (max_pfn<<PAGE_SHIFT) + offset, 0, 0); +} + /* * Virtqueues * @@ -165,39 +201,29 @@ static void lg_notify(struct virtqueue *vq) * * So we provide devices with a "find virtqueue and set it up" function. */ static struct virtqueue *lg_find_vq(struct virtio_device *vdev, - bool (*callback)(struct virtqueue *vq)) + unsigned index, + void (*callback)(struct virtqueue *vq)) { + struct lguest_device *ldev = to_lgdev(vdev); struct lguest_vq_info *lvq; struct virtqueue *vq; - unsigned int len; - void *token; int err; - /* Look for a field of the correct type to mark a virtqueue. Note that - * if this succeeds, then the type will be changed so it won't be found - * again, and future lg_find_vq() calls will find the next - * virtqueue (if any). */ - token = vdev->config->find(vdev, VIRTIO_CONFIG_F_VIRTQUEUE, &len); - if (!token) + /* We must have this many virtqueues. */ + if (index >= ldev->desc->num_vq) return ERR_PTR(-ENOENT); lvq = kmalloc(sizeof(*lvq), GFP_KERNEL); if (!lvq) return ERR_PTR(-ENOMEM); - /* Note: we could use a configuration space inside here, just like we - * do for the device. This would allow expansion in future, because - * our configuration system is designed to be expansible. But this is - * way easier. */ - if (len != sizeof(lvq->config)) { - dev_err(&vdev->dev, "Unexpected virtio config len %u\n", len); - err = -EIO; - goto free_lvq; - } - /* Make a copy of the "struct lguest_vqconfig" field. We need a copy - * because the config space might not be aligned correctly. */ - vdev->config->get(vdev, token, &lvq->config, sizeof(lvq->config)); + /* Make a copy of the "struct lguest_vqconfig" entry, which sits after + * the descriptor. We need a copy because the config space might not + * be aligned correctly. */ + memcpy(&lvq->config, lg_vq(ldev->desc)+index, sizeof(lvq->config)); + printk("Mapping virtqueue %i addr %lx\n", index, + (unsigned long)lvq->config.pfn << PAGE_SHIFT); /* Figure out how many pages the ring will take, and map that memory */ lvq->pages = lguest_map((unsigned long)lvq->config.pfn << PAGE_SHIFT, DIV_ROUND_UP(vring_size(lvq->config.num, @@ -259,11 +285,12 @@ static void lg_del_vq(struct virtqueue *vq) /* The ops structure which hooks everything together. */ static struct virtio_config_ops lguest_config_ops = { - .find = lg_find, + .feature = lg_feature, .get = lg_get, .set = lg_set, .get_status = lg_get_status, .set_status = lg_set_status, + .reset = lg_reset, .find_vq = lg_find_vq, .del_vq = lg_del_vq, }; @@ -329,13 +356,14 @@ static void scan_devices(void) struct lguest_device_desc *d; /* We start at the page beginning, and skip over each entry. */ - for (i = 0; i < PAGE_SIZE; i += sizeof(*d) + d->config_len) { + for (i = 0; i < PAGE_SIZE; i += desc_size(d)) { d = lguest_devices + i; /* Once we hit a zero, stop. */ if (d->type == 0) break; + printk("Device at %i has size %u\n", i, desc_size(d)); add_lguest_device(d); } } diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c index 7ce0ea64465c..28958101061f 100644 --- a/drivers/macintosh/adb.c +++ b/drivers/macintosh/adb.c @@ -36,6 +36,7 @@ #include <linux/completion.h> #include <linux/device.h> #include <linux/kthread.h> +#include <linux/platform_device.h> #include <asm/uaccess.h> #include <asm/semaphore.h> diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index d409f6759482..8ba49385c3ff 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -12,7 +12,7 @@ * - maybe add timeout to commands ? * - blocking version of time functions * - polling version of i2c commands (including timer that works with - * interrutps off) + * interrupts off) * - maybe avoid some data copies with i2c by directly using the smu cmd * buffer and a lower level internal interface * - understand SMU -> CPU events and implement reception of them via @@ -179,7 +179,7 @@ static irqreturn_t smu_db_intr(int irq, void *arg) /* CPU might have brought back the cache line, so we need * to flush again before peeking at the SMU response. We * flush the entire buffer for now as we haven't read the - * reply lenght (it's only 2 cache lines anyway) + * reply length (it's only 2 cache lines anyway) */ faddr = (unsigned long)smu->cmd_buf; flush_inval_dcache_range(faddr, faddr + 256); diff --git a/drivers/media/common/saa7146_core.c b/drivers/media/common/saa7146_core.c index 7d04a6fd1acb..168a8d3a5e55 100644 --- a/drivers/media/common/saa7146_core.c +++ b/drivers/media/common/saa7146_core.c @@ -388,7 +388,7 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent } dev->revision &= 0xf; - /* remap the memory from virtual to physical adress */ + /* remap the memory from virtual to physical address */ err = pci_request_region(pci, 0, "saa7146"); if (err < 0) diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c index a33eb5988c42..ed3f8268ed11 100644 --- a/drivers/media/dvb/dvb-core/dvb_net.c +++ b/drivers/media/dvb/dvb-core/dvb_net.c @@ -681,7 +681,7 @@ static void dvb_net_ule( struct net_device *dev, const u8 *buf, size_t buf_len ) drop = 1; /* else: destination address matches the MAC address of our receiver device */ } - /* else: promiscious mode; pass everything up the stack */ + /* else: promiscuous mode; pass everything up the stack */ if (drop) { #ifdef ULE_DEBUG diff --git a/drivers/media/video/bt8xx/bttv-cards.c b/drivers/media/video/bt8xx/bttv-cards.c index 63a47cd4c161..7374c02dd183 100644 --- a/drivers/media/video/bt8xx/bttv-cards.c +++ b/drivers/media/video/bt8xx/bttv-cards.c @@ -4344,7 +4344,7 @@ static void rv605_muxsel(struct bttv *btv, unsigned int input) gpio_bits(0x200,0x000); mdelay(1); - /* create a new conection */ + /* create a new connection */ gpio_bits(0x480,0x080); gpio_bits(0x480,0x480); mdelay(1); diff --git a/drivers/media/video/indycam.c b/drivers/media/video/indycam.c index 5c2c4029ff86..84b9e4f2b3b3 100644 --- a/drivers/media/video/indycam.c +++ b/drivers/media/video/indycam.c @@ -326,7 +326,7 @@ static int indycam_attach(struct i2c_adapter *adap, int addr, int kind) // initialize err = indycam_write_block(client, 0, sizeof(initseq), (u8 *)&initseq); if (err) { - printk(KERN_ERR "IndyCam initalization failed\n"); + printk(KERN_ERR "IndyCam initialization failed\n"); err = -EIO; goto out_detach_client; } diff --git a/drivers/media/video/mt20xx.c b/drivers/media/video/mt20xx.c index b630c26cfe85..58bab653330f 100644 --- a/drivers/media/video/mt20xx.c +++ b/drivers/media/video/mt20xx.c @@ -369,7 +369,7 @@ static struct dvb_tuner_ops mt2032_tuner_ops = { .get_frequency = microtune_get_frequency, }; -// Initalization as described in "MT203x Programming Procedures", Rev 1.2, Feb.2001 +// Initialization as described in "MT203x Programming Procedures", Rev 1.2, Feb.2001 static int mt2032_init(struct dvb_frontend *fe) { struct microtune_priv *priv = fe->tuner_priv; diff --git a/drivers/media/video/pvrusb2/pvrusb2.h b/drivers/media/video/pvrusb2/pvrusb2.h index 074533e9c21e..1a9a4baf12b8 100644 --- a/drivers/media/video/pvrusb2/pvrusb2.h +++ b/drivers/media/video/pvrusb2/pvrusb2.h @@ -27,7 +27,7 @@ might want to increase this - however the driver operation will not be impaired if it is too small. Instead additional units just won't have an ID assigned and it might not be possible to specify - module paramters for those extra units. */ + module parameters for those extra units. */ #define PVR_NUM 20 #endif /* __PVRUSB2_H */ diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c index 7300ace8f44e..f991d72fe108 100644 --- a/drivers/media/video/pwc/pwc-if.c +++ b/drivers/media/video/pwc/pwc-if.c @@ -542,7 +542,7 @@ int pwc_handle_frame(struct pwc_device *pdev) } if (pdev->read_frame != NULL) { - /* Decompression is a lenghty process, so it's outside of the lock. + /* Decompression is a lengthy process, so it's outside of the lock. This gives the isoc_handler the opportunity to fill more frames in the mean time. */ diff --git a/drivers/media/video/tea6420.c b/drivers/media/video/tea6420.c index e0ff811fab6f..ca05cd655087 100644 --- a/drivers/media/video/tea6420.c +++ b/drivers/media/video/tea6420.c @@ -57,7 +57,7 @@ static int tea6420_switch(struct i2c_client *client, int i, int o, int g) dprintk("adr:0x%02x, i:%d, o:%d, g:%d\n", client->addr, i, o, g); - /* check if the paramters are valid */ + /* check if the parameters are valid */ if (i < 1 || i > 6 || o < 1 || o > 4 || g < 0 || g > 6 || g % 2 != 0) return -1; diff --git a/drivers/media/video/usbvideo/quickcam_messenger.c b/drivers/media/video/usbvideo/quickcam_messenger.c index d847273eeba0..5e7b79501370 100644 --- a/drivers/media/video/usbvideo/quickcam_messenger.c +++ b/drivers/media/video/usbvideo/quickcam_messenger.c @@ -258,7 +258,7 @@ static void qcm_hsv2rgb(u16 hue, u16 sat, u16 val, u16 *r, u16 *g, u16 *b) unsigned int p; /* - the registers controling gain are 8 bit of which + the registers controlling gain are 8 bit of which we affect only the last 4 bits with our gain. we know that if saturation is 0, (unsaturated) then we're grayscale (center axis of the colour cone) so diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c index b52b826a30be..df52f8a60215 100644 --- a/drivers/media/video/usbvision/usbvision-video.c +++ b/drivers/media/video/usbvision/usbvision-video.c @@ -131,7 +131,7 @@ static struct usbvision_v4l2_format_st usbvision_v4l2_format[] = { /* Function prototypes */ static void usbvision_release(struct usb_usbvision *usbvision); -/* Default initalization of device driver parameters */ +/* Default initialization of device driver parameters */ /* Set the default format for ISOC endpoint */ static int isocMode = ISOC_MODE_COMPRESS; /* Set the default Debug Mode of the device driver */ diff --git a/drivers/media/video/vpx3220.c b/drivers/media/video/vpx3220.c index 8ef31ed7d3f1..a9133858e913 100644 --- a/drivers/media/video/vpx3220.c +++ b/drivers/media/video/vpx3220.c @@ -566,7 +566,7 @@ vpx3220_init_client (struct i2c_client *client) } /* ----------------------------------------------------------------------- - * Client managment code + * Client management code */ /* diff --git a/drivers/media/video/zoran_card.c b/drivers/media/video/zoran_card.c index 6e0ac4c5c379..690281bb59ee 100644 --- a/drivers/media/video/zoran_card.c +++ b/drivers/media/video/zoran_card.c @@ -1270,7 +1270,7 @@ zoran_setup_videocodec (struct zoran *zr, } /* - * Scan for a Buz card (actually for the PCI contoler ZR36057), + * Scan for a Buz card (actually for the PCI controller ZR36057), * request the irq and map the io memory */ static int __devinit diff --git a/drivers/media/video/zr36050.c b/drivers/media/video/zr36050.c index 9f622e00c479..faae4ec3ea0b 100644 --- a/drivers/media/video/zr36050.c +++ b/drivers/media/video/zr36050.c @@ -161,7 +161,7 @@ zr36050_wait_end (struct zr36050 *ptr) udelay(1); if (i++ > 200000) { // 200ms, there is for sure something wrong!!! dprintk(1, - "%s: timout at wait_end (last status: 0x%02x)\n", + "%s: timeout at wait_end (last status: 0x%02x)\n", ptr->name, ptr->status1); break; } diff --git a/drivers/media/video/zr36060.c b/drivers/media/video/zr36060.c index 1ef14fef08e6..7849b65969d0 100644 --- a/drivers/media/video/zr36060.c +++ b/drivers/media/video/zr36060.c @@ -163,7 +163,7 @@ zr36060_wait_end (struct zr36060 *ptr) udelay(1); if (i++ > 200000) { // 200ms, there is for sure something wrong!!! dprintk(1, - "%s: timout at wait_end (last status: 0x%02x)\n", + "%s: timeout at wait_end (last status: 0x%02x)\n", ptr->name, ptr->status); break; } diff --git a/drivers/message/fusion/lsi/mpi_log_sas.h b/drivers/message/fusion/lsi/mpi_log_sas.h index 6be1f6b65777..af9da03e95e5 100644 --- a/drivers/message/fusion/lsi/mpi_log_sas.h +++ b/drivers/message/fusion/lsi/mpi_log_sas.h @@ -162,7 +162,7 @@ #define PL_LOGINFO_SUB_CODE_FRAME_XFER_ERROR (0x00000400) /* Bits 0-3 encode Transport Status Register (offset 0x08) */ /* Bit 0 is Status Bit 0: FrameXferErr */ /* Bit 1 & 2 are Status Bits 16 and 17: FrameXmitErrStatus */ - /* Bit 3 is Status Bit 18 WriteDataLenghtGTDataLengthErr */ + /* Bit 3 is Status Bit 18 WriteDataLengthGTDataLengthErr */ #define PL_LOGINFO_SUB_CODE_TX_FM_CONNECTED_LOW (0x00000500) #define PL_LOGINFO_SUB_CODE_SATA_NON_NCQ_RW_ERR_BIT_SET (0x00000600) diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c index 6029509702d3..e630b50966ec 100644 --- a/drivers/message/fusion/mptctl.c +++ b/drivers/message/fusion/mptctl.c @@ -1708,7 +1708,7 @@ mptctl_replace_fw (unsigned long arg) * * Outputs: None. * Return: 0 if successful - * -EBUSY if previous command timout and IOC reset is not complete. + * -EBUSY if previous command timeout and IOC reset is not complete. * -EFAULT if data unavailable * -ENODEV if no such device/adapter * -ETIME if timer expires @@ -1748,7 +1748,7 @@ mptctl_mpt_command (unsigned long arg) * * Outputs: None. * Return: 0 if successful - * -EBUSY if previous command timout and IOC reset is not complete. + * -EBUSY if previous command timeout and IOC reset is not complete. * -EFAULT if data unavailable * -ENODEV if no such device/adapter * -ETIME if timer expires @@ -2316,7 +2316,7 @@ done_free_mem: * Outputs: None. * Return: 0 if successful * -EFAULT if data unavailable - * -EBUSY if previous command timout and IOC reset is not complete. + * -EBUSY if previous command timeout and IOC reset is not complete. * -ENODEV if no such device/adapter * -ETIME if timer expires * -ENOMEM if memory allocation error @@ -2553,7 +2553,7 @@ mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size) * Outputs: None. * Return: 0 if successful * -EFAULT if data unavailable - * -EBUSY if previous command timout and IOC reset is not complete. + * -EBUSY if previous command timeout and IOC reset is not complete. * -ENODEV if no such device/adapter * -ETIME if timer expires * -ENOMEM if memory allocation error diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index 5c614ec38cc4..af1de0ccee2f 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -1736,7 +1736,7 @@ mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, i fail_out: /* - * Free task managment mf, and corresponding tm flags + * Free task management mf, and corresponding tm flags */ mpt_free_msg_frame(ioc, mf); hd->tmPending = 0; diff --git a/drivers/message/i2o/iop.c b/drivers/message/i2o/iop.c index 7814a06ae970..da715e11c1b2 100644 --- a/drivers/message/i2o/iop.c +++ b/drivers/message/i2o/iop.c @@ -916,7 +916,7 @@ static int i2o_parse_hrt(struct i2o_controller *c) * status block. The status block could then be accessed through * c->status_block. * - * Returns 0 on sucess or negative error code on failure. + * Returns 0 on success or negative error code on failure. */ int i2o_status_get(struct i2o_controller *c) { diff --git a/drivers/mtd/devices/doc2000.c b/drivers/mtd/devices/doc2000.c index c73e96bfafc6..90acf57c19bd 100644 --- a/drivers/mtd/devices/doc2000.c +++ b/drivers/mtd/devices/doc2000.c @@ -376,7 +376,7 @@ static int DoC_IdentChip(struct DiskOnChip *doc, int floor, int chip) * hardware restriction. */ if (doc->mfr) { if (doc->mfr == mfr && doc->id == id) - return 1; /* This is another the same the first */ + return 1; /* This is the same as the first */ else printk(KERN_WARNING "Flash chip at floor %d, chip %d is different:\n", diff --git a/drivers/mtd/nand/autcpu12.c b/drivers/mtd/nand/autcpu12.c index e3744eb8eccb..dd38011ee0b7 100644 --- a/drivers/mtd/nand/autcpu12.c +++ b/drivers/mtd/nand/autcpu12.c @@ -20,7 +20,7 @@ * * 02-12-2002 TG Cleanup of module params * - * 02-20-2002 TG adjusted for different rd/wr adress support + * 02-20-2002 TG adjusted for different rd/wr address support * added support for read device ready/busy line * added page_cache * @@ -144,7 +144,7 @@ static int __init autcpu12_init(void) goto out; } - /* map physical adress */ + /* map physical address */ autcpu12_fio_base = ioremap(AUTCPU12_PHYS_SMC, SZ_1K); if (!autcpu12_fio_base) { printk("Ioremap autcpu12 SmartMedia Card failed\n"); @@ -227,7 +227,7 @@ static void __exit autcpu12_cleanup(void) /* Release resources, unregister device */ nand_release(autcpu12_mtd); - /* unmap physical adress */ + /* unmap physical address */ iounmap(autcpu12_fio_base); /* Free the MTD device structure */ diff --git a/drivers/mtd/nand/bf5xx_nand.c b/drivers/mtd/nand/bf5xx_nand.c index 1657ecd74881..a52f3a737c39 100644 --- a/drivers/mtd/nand/bf5xx_nand.c +++ b/drivers/mtd/nand/bf5xx_nand.c @@ -4,7 +4,7 @@ * http://blackfin.uclinux.org/ * Bryan Wu <bryan.wu@analog.com> * - * Blackfin BF5xx on-chip NAND flash controler driver + * Blackfin BF5xx on-chip NAND flash controller driver * * Derived from drivers/mtd/nand/s3c2410.c * Copyright (c) 2007 Ben Dooks <ben@simtec.co.uk> diff --git a/drivers/mtd/nand/cs553x_nand.c b/drivers/mtd/nand/cs553x_nand.c index 89deff007116..19e1594421a4 100644 --- a/drivers/mtd/nand/cs553x_nand.c +++ b/drivers/mtd/nand/cs553x_nand.c @@ -337,7 +337,7 @@ static void __exit cs553x_cleanup(void) nand_release(cs553x_mtd[i]); cs553x_mtd[i] = NULL; - /* unmap physical adress */ + /* unmap physical address */ iounmap(mmio_base); /* Free the MTD device structure */ diff --git a/drivers/mtd/nand/edb7312.c b/drivers/mtd/nand/edb7312.c index 0146cdc48039..ba67bbec20d3 100644 --- a/drivers/mtd/nand/edb7312.c +++ b/drivers/mtd/nand/edb7312.c @@ -125,7 +125,7 @@ static int __init ep7312_init(void) return -ENOMEM; } - /* map physical adress */ + /* map physical address */ ep7312_fio_base = ioremap(ep7312_fio_pbase, SZ_1K); if (!ep7312_fio_base) { printk("ioremap EDB7312 NAND flash failed\n"); diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index e29c1da7f56e..ddd4fc019042 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -89,7 +89,7 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to, struct mtd_oob_ops *ops); /* - * For devices which display every fart in the system on a seperate LED. Is + * For devices which display every fart in the system on a separate LED. Is * compiled away when LED support is disabled. */ DEFINE_LED_TRIGGER(nand_led_trigger); diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index 10490b48d9f7..bb885d1fcab5 100644 --- a/drivers/mtd/nand/nandsim.c +++ b/drivers/mtd/nand/nandsim.c @@ -210,7 +210,7 @@ MODULE_PARM_DESC(overridesize, "Specifies the NAND Flash size overriding the I #define STATE_CMD_RESET 0x0000000C /* reset */ #define STATE_CMD_MASK 0x0000000F /* command states mask */ -/* After an addres is input, the simulator goes to one of these states */ +/* After an address is input, the simulator goes to one of these states */ #define STATE_ADDR_PAGE 0x00000010 /* full (row, column) address is accepted */ #define STATE_ADDR_SEC 0x00000020 /* sector address was accepted */ #define STATE_ADDR_ZERO 0x00000030 /* one byte zero address was accepted */ diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c index 66f76e9618dd..2bd0737572c6 100644 --- a/drivers/mtd/nand/s3c2410.c +++ b/drivers/mtd/nand/s3c2410.c @@ -8,7 +8,7 @@ * * Changelog: * 21-Sep-2004 BJD Initial version - * 23-Sep-2004 BJD Mulitple device support + * 23-Sep-2004 BJD Multiple device support * 28-Sep-2004 BJD Fixed ECC placement for Hardware mode * 12-Oct-2004 BJD Fixed errors in use of platform data * 18-Feb-2005 BJD Fix sparse errors diff --git a/drivers/mtd/nand/sharpsl.c b/drivers/mtd/nand/sharpsl.c index 51c7288ab49a..033f8800b1e6 100644 --- a/drivers/mtd/nand/sharpsl.c +++ b/drivers/mtd/nand/sharpsl.c @@ -165,7 +165,7 @@ static int __init sharpsl_nand_init(void) return -ENOMEM; } - /* map physical adress */ + /* map physical address */ sharpsl_io_base = ioremap(sharpsl_phys_base, 0x1000); if (!sharpsl_io_base) { printk("ioremap to access Sharp SL NAND chip failed\n"); diff --git a/drivers/mtd/nftlmount.c b/drivers/mtd/nftlmount.c index 067262ee8df0..0513cbc8834d 100644 --- a/drivers/mtd/nftlmount.c +++ b/drivers/mtd/nftlmount.c @@ -429,7 +429,7 @@ static void check_sectors_in_chain(struct NFTLrecord *nftl, unsigned int first_b } } -/* calc_chain_lenght: Walk through a Virtual Unit Chain and estimate chain length */ +/* calc_chain_length: Walk through a Virtual Unit Chain and estimate chain length */ static int calc_chain_length(struct NFTLrecord *nftl, unsigned int first_block) { unsigned int length = 0, block = first_block; diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 389980f0e59e..f234ba3f0404 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -814,8 +814,8 @@ config ULTRA32 will be called smc-ultra32. config BFIN_MAC - tristate "Blackfin 536/537 on-chip mac support" - depends on NET_ETHERNET && (BF537 || BF536) && (!BF537_PORT_H) + tristate "Blackfin 527/536/537 on-chip mac support" + depends on NET_ETHERNET && (BF527 || BF537 || BF536) && (!BF537_PORT_H) select CRC32 select MII select PHYLIB @@ -828,7 +828,7 @@ config BFIN_MAC config BFIN_MAC_USE_L1 bool "Use L1 memory for rx/tx packets" - depends on BFIN_MAC && BF537 + depends on BFIN_MAC && (BF527 || BF537) default y help To get maximum network performance, you should use L1 memory as rx/tx buffers. @@ -855,7 +855,8 @@ config BFIN_RX_DESC_NUM config BFIN_MAC_RMII bool "RMII PHY Interface (EXPERIMENTAL)" depends on BFIN_MAC && EXPERIMENTAL - default n + default y if BFIN527_EZKIT + default n if BFIN537_STAMP help Use Reduced PHY MII Interface @@ -1199,7 +1200,7 @@ config NE2_MCA config IBMLANA tristate "IBM LAN Adapter/A support" - depends on MCA && MCA_LEGACY + depends on MCA ---help--- This is a Micro Channel Ethernet adapter. You need to set CONFIG_MCA to use this driver. It is both available as an in-kernel @@ -3113,6 +3114,7 @@ config VIRTIO_NET tristate "Virtio network driver (EXPERIMENTAL)" depends on EXPERIMENTAL && VIRTIO ---help--- - This is the virtual network driver for lguest. Say Y or M. + This is the virtual network driver for virtio. It can be used with + lguest or QEMU based VMMs (like KVM or Xen). Say Y or M. endif # NETDEVICES diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c index 25b114a4e2b1..0ae0d83e5d22 100644 --- a/drivers/net/arm/at91_ether.c +++ b/drivers/net/arm/at91_ether.c @@ -384,7 +384,7 @@ static void reset_phy(struct net_device *dev) /* Wait until PHY reset is complete */ do { read_phy(lp->phy_address, MII_BMCR, &bmcr); - } while (!(bmcr && BMCR_RESET)); + } while (!(bmcr & BMCR_RESET)); disable_mdi(); spin_unlock_irq(&lp->lock); diff --git a/drivers/net/ax88796.c b/drivers/net/ax88796.c index 7495a9ee8f4b..194949afacd0 100644 --- a/drivers/net/ax88796.c +++ b/drivers/net/ax88796.c @@ -137,11 +137,12 @@ static int ax_initial_check(struct net_device *dev) static void ax_reset_8390(struct net_device *dev) { struct ei_device *ei_local = netdev_priv(dev); + struct ax_device *ax = to_ax_dev(dev); unsigned long reset_start_time = jiffies; void __iomem *addr = (void __iomem *)dev->base_addr; if (ei_debug > 1) - printk(KERN_DEBUG "resetting the 8390 t=%ld...", jiffies); + dev_dbg(&ax->dev->dev, "resetting the 8390 t=%ld\n", jiffies); ei_outb(ei_inb(addr + NE_RESET), addr + NE_RESET); @@ -151,7 +152,7 @@ static void ax_reset_8390(struct net_device *dev) /* This check _should_not_ be necessary, omit eventually. */ while ((ei_inb(addr + EN0_ISR) & ENISR_RESET) == 0) { if (jiffies - reset_start_time > 2*HZ/100) { - printk(KERN_WARNING "%s: %s did not complete.\n", + dev_warn(&ax->dev->dev, "%s: %s did not complete.\n", __FUNCTION__, dev->name); break; } @@ -165,13 +166,15 @@ static void ax_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) { struct ei_device *ei_local = netdev_priv(dev); + struct ax_device *ax = to_ax_dev(dev); void __iomem *nic_base = ei_local->mem; /* This *shouldn't* happen. If it does, it's the last thing you'll see */ if (ei_status.dmaing) { - printk(KERN_EMERG "%s: DMAing conflict in %s [DMAstat:%d][irqlock:%d].\n", + dev_err(&ax->dev->dev, "%s: DMAing conflict in %s " + "[DMAstat:%d][irqlock:%d].\n", dev->name, __FUNCTION__, - ei_status.dmaing, ei_status.irqlock); + ei_status.dmaing, ei_status.irqlock); return; } @@ -204,13 +207,16 @@ static void ax_block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) { struct ei_device *ei_local = netdev_priv(dev); + struct ax_device *ax = to_ax_dev(dev); void __iomem *nic_base = ei_local->mem; char *buf = skb->data; if (ei_status.dmaing) { - printk(KERN_EMERG "%s: DMAing conflict in ax_block_input " + dev_err(&ax->dev->dev, + "%s: DMAing conflict in %s " "[DMAstat:%d][irqlock:%d].\n", - dev->name, ei_status.dmaing, ei_status.irqlock); + dev->name, __FUNCTION__, + ei_status.dmaing, ei_status.irqlock); return; } @@ -239,6 +245,7 @@ static void ax_block_output(struct net_device *dev, int count, const unsigned char *buf, const int start_page) { struct ei_device *ei_local = netdev_priv(dev); + struct ax_device *ax = to_ax_dev(dev); void __iomem *nic_base = ei_local->mem; unsigned long dma_start; @@ -251,7 +258,7 @@ static void ax_block_output(struct net_device *dev, int count, /* This *shouldn't* happen. If it does, it's the last thing you'll see */ if (ei_status.dmaing) { - printk(KERN_EMERG "%s: DMAing conflict in %s." + dev_err(&ax->dev->dev, "%s: DMAing conflict in %s." "[DMAstat:%d][irqlock:%d]\n", dev->name, __FUNCTION__, ei_status.dmaing, ei_status.irqlock); @@ -281,7 +288,8 @@ static void ax_block_output(struct net_device *dev, int count, while ((ei_inb(nic_base + EN0_ISR) & ENISR_RDC) == 0) { if (jiffies - dma_start > 2*HZ/100) { /* 20ms */ - printk(KERN_WARNING "%s: timeout waiting for Tx RDC.\n", dev->name); + dev_warn(&ax->dev->dev, + "%s: timeout waiting for Tx RDC.\n", dev->name); ax_reset_8390(dev); ax_NS8390_init(dev,1); break; @@ -424,10 +432,11 @@ static void ax_phy_write(struct net_device *dev, int phy_addr, int reg, int value) { struct ei_device *ei = (struct ei_device *) netdev_priv(dev); + struct ax_device *ax = to_ax_dev(dev); unsigned long flags; - printk(KERN_DEBUG "%s: %p, %04x, %04x %04x\n", - __FUNCTION__, dev, phy_addr, reg, value); + dev_dbg(&ax->dev->dev, "%s: %p, %04x, %04x %04x\n", + __FUNCTION__, dev, phy_addr, reg, value); spin_lock_irqsave(&ei->page_lock, flags); @@ -750,14 +759,11 @@ static int ax_init_dev(struct net_device *dev, int first_init) ax_NS8390_init(dev, 0); if (first_init) { - printk("AX88796: %dbit, irq %d, %lx, MAC: ", - ei_status.word16 ? 16:8, dev->irq, dev->base_addr); - - for (i = 0; i < ETHER_ADDR_LEN; i++) - printk("%2.2x%c", dev->dev_addr[i], - (i < (ETHER_ADDR_LEN-1) ? ':' : ' ')); + DECLARE_MAC_BUF(mac); - printk("\n"); + dev_info(&ax->dev->dev, "%dbit, irq %d, %lx, MAC: %s\n", + ei_status.word16 ? 16:8, dev->irq, dev->base_addr, + print_mac(mac, dev->dev_addr)); } ret = register_netdev(dev); diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c index eb971755a3ff..c993a32b3f50 100644 --- a/drivers/net/bfin_mac.c +++ b/drivers/net/bfin_mac.c @@ -1,34 +1,11 @@ /* - * File: drivers/net/bfin_mac.c - * Based on: - * Maintainer: - * Bryan Wu <bryan.wu@analog.com> + * Blackfin On-Chip MAC Driver * - * Original author: - * Luke Yang <luke.yang@analog.com> + * Copyright 2004-2007 Analog Devices Inc. * - * Created: - * Description: + * Enter bugs at http://blackfin.uclinux.org/ * - * Modified: - * Copyright 2004-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * This program is free software ; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation ; either version 2, 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 ; see the file COPYING. - * If not, write to the Free Software Foundation, - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * Licensed under the GPL-2 or later. */ #include <linux/init.h> @@ -65,7 +42,7 @@ #define DRV_NAME "bfin_mac" #define DRV_VERSION "1.1" #define DRV_AUTHOR "Bryan Wu, Luke Yang" -#define DRV_DESC "Blackfin BF53[67] on-chip Ethernet MAC driver" +#define DRV_DESC "Blackfin BF53[67] BF527 on-chip Ethernet MAC driver" MODULE_AUTHOR(DRV_AUTHOR); MODULE_LICENSE("GPL"); @@ -296,7 +273,7 @@ static void mdio_poll(void) /* poll the STABUSY bit */ while ((bfin_read_EMAC_STAADD()) & STABUSY) { - mdelay(10); + udelay(1); if (timeout_cnt-- < 0) { printk(KERN_ERR DRV_NAME ": wait MDC/MDIO transaction to complete timeout\n"); @@ -412,20 +389,26 @@ static void bf537_adjust_link(struct net_device *dev) spin_unlock_irqrestore(&lp->lock, flags); } +/* MDC = 2.5 MHz */ +#define MDC_CLK 2500000 + static int mii_probe(struct net_device *dev) { struct bf537mac_local *lp = netdev_priv(dev); struct phy_device *phydev = NULL; unsigned short sysctl; int i; + u32 sclk, mdc_div; /* Enable PHY output early */ if (!(bfin_read_VR_CTL() & PHYCLKOE)) bfin_write_VR_CTL(bfin_read_VR_CTL() | PHYCLKOE); - /* MDC = 2.5 MHz */ + sclk = get_sclk(); + mdc_div = ((sclk / MDC_CLK) / 2) - 1; + sysctl = bfin_read_EMAC_SYSCTL(); - sysctl |= SET_MDCDIV(24); + sysctl = (sysctl & ~MDCDIV) | SET_MDCDIV(mdc_div); bfin_write_EMAC_SYSCTL(sysctl); /* search for connect PHY device */ @@ -477,8 +460,10 @@ static int mii_probe(struct net_device *dev) lp->phydev = phydev; printk(KERN_INFO "%s: attached PHY driver [%s] " - "(mii_bus:phy_addr=%s, irq=%d)\n", - DRV_NAME, phydev->drv->name, phydev->dev.bus_id, phydev->irq); + "(mii_bus:phy_addr=%s, irq=%d, mdc_clk=%dHz(mdc_div=%d)" + "@sclk=%dMHz)\n", + DRV_NAME, phydev->drv->name, phydev->dev.bus_id, phydev->irq, + MDC_CLK, mdc_div, sclk/1000000); return 0; } @@ -551,7 +536,7 @@ static void adjust_tx_list(void) */ if (current_tx_ptr->next->next == tx_list_head) { while (tx_list_head->status.status_word == 0) { - mdelay(10); + mdelay(1); if (tx_list_head->status.status_word != 0 || !(bfin_read_DMA2_IRQ_STATUS() & 0x08)) { goto adjust_head; @@ -666,6 +651,12 @@ static void bf537mac_rx(struct net_device *dev) current_rx_ptr->skb = new_skb; current_rx_ptr->desc_a.start_addr = (unsigned long)new_skb->data - 2; + /* Invidate the data cache of skb->data range when it is write back + * cache. It will prevent overwritting the new data from DMA + */ + blackfin_dcache_invalidate_range((unsigned long)new_skb->head, + (unsigned long)new_skb->end); + len = (unsigned short)((current_rx_ptr->status.status_word) & RX_FRLEN); skb_put(skb, len); blackfin_dcache_invalidate_range((unsigned long)skb->head, @@ -767,7 +758,7 @@ static void bf537mac_enable(void) #if defined(CONFIG_BFIN_MAC_RMII) opmode |= RMII; /* For Now only 100MBit are supported */ -#ifdef CONFIG_BF_REV_0_2 +#if (defined(CONFIG_BF537) || defined(CONFIG_BF536)) && CONFIG_BF_REV_0_2 opmode |= TE; #endif #endif @@ -792,6 +783,39 @@ static void bf537mac_timeout(struct net_device *dev) netif_wake_queue(dev); } +static void bf537mac_multicast_hash(struct net_device *dev) +{ + u32 emac_hashhi, emac_hashlo; + struct dev_mc_list *dmi = dev->mc_list; + char *addrs; + int i; + u32 crc; + + emac_hashhi = emac_hashlo = 0; + + for (i = 0; i < dev->mc_count; i++) { + addrs = dmi->dmi_addr; + dmi = dmi->next; + + /* skip non-multicast addresses */ + if (!(*addrs & 1)) + continue; + + crc = ether_crc(ETH_ALEN, addrs); + crc >>= 26; + + if (crc & 0x20) + emac_hashhi |= 1 << (crc & 0x1f); + else + emac_hashlo |= 1 << (crc & 0x1f); + } + + bfin_write_EMAC_HASHHI(emac_hashhi); + bfin_write_EMAC_HASHLO(emac_hashlo); + + return; +} + /* * This routine will, depending on the values passed to it, * either make it accept multicast packets, go into @@ -807,11 +831,17 @@ static void bf537mac_set_multicast_list(struct net_device *dev) sysctl = bfin_read_EMAC_OPMODE(); sysctl |= RAF; bfin_write_EMAC_OPMODE(sysctl); - } else if (dev->flags & IFF_ALLMULTI || dev->mc_count) { + } else if (dev->flags & IFF_ALLMULTI) { /* accept all multicast */ sysctl = bfin_read_EMAC_OPMODE(); sysctl |= PAM; bfin_write_EMAC_OPMODE(sysctl); + } else if (dev->mc_count) { + /* set up multicast hash table */ + sysctl = bfin_read_EMAC_OPMODE(); + sysctl |= HM; + bfin_write_EMAC_OPMODE(sysctl); + bf537mac_multicast_hash(dev); } else { /* clear promisc or multicast mode */ sysctl = bfin_read_EMAC_OPMODE(); @@ -860,10 +890,10 @@ static int bf537mac_open(struct net_device *dev) return retval; phy_start(lp->phydev); + phy_write(lp->phydev, MII_BMCR, BMCR_RESET); setup_system_regs(dev); bf537mac_disable(); bf537mac_enable(); - pr_debug("hardware init finished\n"); netif_start_queue(dev); netif_carrier_on(dev); @@ -886,6 +916,7 @@ static int bf537mac_close(struct net_device *dev) netif_carrier_off(dev); phy_stop(lp->phydev); + phy_write(lp->phydev, MII_BMCR, BMCR_PDOWN); /* clear everything */ bf537mac_shutdown(dev); @@ -970,7 +1001,7 @@ static int __init bf537mac_probe(struct net_device *dev) /* register irq handler */ if (request_irq (IRQ_MAC_RX, bf537mac_interrupt, IRQF_DISABLED | IRQF_SHARED, - "BFIN537_MAC_RX", dev)) { + "EMAC_RX", dev)) { printk(KERN_WARNING DRV_NAME ": Unable to attach BlackFin MAC RX interrupt\n"); return -EBUSY; diff --git a/drivers/net/bfin_mac.h b/drivers/net/bfin_mac.h index 5970ea7142cd..f774d5a36942 100644 --- a/drivers/net/bfin_mac.h +++ b/drivers/net/bfin_mac.h @@ -1,34 +1,11 @@ /* - * File: drivers/net/bfin_mac.c - * Based on: - * Maintainer: - * Bryan Wu <bryan.wu@analog.com> + * Blackfin On-Chip MAC Driver * - * Original author: - * Luke Yang <luke.yang@analog.com> + * Copyright 2004-2007 Analog Devices Inc. * - * Created: - * Description: + * Enter bugs at http://blackfin.uclinux.org/ * - * Modified: - * Copyright 2004-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * This program is free software ; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation ; either version 2, 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 ; see the file COPYING. - * If not, write to the Free Software Foundation, - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * Licensed under the GPL-2 or later. */ #define BFIN_MAC_CSUM_OFFLOAD diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 2039f7838f2d..0942d82f7cbf 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1464,10 +1464,12 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) dev_set_allmulti(slave_dev, 1); } + netif_tx_lock_bh(bond_dev); /* upload master's mc_list to new slave */ for (dmi = bond_dev->mc_list; dmi; dmi = dmi->next) { dev_mc_add (slave_dev, dmi->dmi_addr, dmi->dmi_addrlen, 0); } + netif_tx_unlock_bh(bond_dev); } if (bond->params.mode == BOND_MODE_8023AD) { @@ -1821,7 +1823,9 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev) } /* flush master's mc_list from slave */ + netif_tx_lock_bh(bond_dev); bond_mc_list_flush(bond_dev, slave_dev); + netif_tx_unlock_bh(bond_dev); } netdev_set_master(slave_dev, NULL); @@ -1942,7 +1946,9 @@ static int bond_release_all(struct net_device *bond_dev) } /* flush master's mc_list from slave */ + netif_tx_lock_bh(bond_dev); bond_mc_list_flush(bond_dev, slave_dev); + netif_tx_unlock_bh(bond_dev); } netdev_set_master(slave_dev, NULL); @@ -2795,14 +2801,11 @@ void bond_loadbalance_arp_mon(struct work_struct *work) } if (do_failover) { - rtnl_lock(); write_lock_bh(&bond->curr_slave_lock); bond_select_active_slave(bond); write_unlock_bh(&bond->curr_slave_lock); - rtnl_unlock(); - } re_arm: @@ -2859,8 +2862,6 @@ void bond_activebackup_arp_mon(struct work_struct *work) slave->link = BOND_LINK_UP; - rtnl_lock(); - write_lock_bh(&bond->curr_slave_lock); if ((!bond->curr_active_slave) && @@ -2896,7 +2897,6 @@ void bond_activebackup_arp_mon(struct work_struct *work) } write_unlock_bh(&bond->curr_slave_lock); - rtnl_unlock(); } } else { read_lock(&bond->curr_slave_lock); @@ -2966,7 +2966,6 @@ void bond_activebackup_arp_mon(struct work_struct *work) bond->dev->name, slave->dev->name); - rtnl_lock(); write_lock_bh(&bond->curr_slave_lock); bond_select_active_slave(bond); @@ -2974,8 +2973,6 @@ void bond_activebackup_arp_mon(struct work_struct *work) write_unlock_bh(&bond->curr_slave_lock); - rtnl_unlock(); - bond->current_arp_slave = slave; if (slave) { @@ -2993,13 +2990,10 @@ void bond_activebackup_arp_mon(struct work_struct *work) bond->primary_slave->dev->name); /* primary is up so switch to it */ - rtnl_lock(); write_lock_bh(&bond->curr_slave_lock); bond_change_active_slave(bond, bond->primary_slave); write_unlock_bh(&bond->curr_slave_lock); - rtnl_unlock(); - slave = bond->primary_slave; slave->jiffies = jiffies; } else { @@ -3769,42 +3763,45 @@ static struct net_device_stats *bond_get_stats(struct net_device *bond_dev) { struct bonding *bond = bond_dev->priv; struct net_device_stats *stats = &(bond->stats), *sstats; + struct net_device_stats local_stats; struct slave *slave; int i; - memset(stats, 0, sizeof(struct net_device_stats)); + memset(&local_stats, 0, sizeof(struct net_device_stats)); read_lock_bh(&bond->lock); bond_for_each_slave(bond, slave, i) { sstats = slave->dev->get_stats(slave->dev); - stats->rx_packets += sstats->rx_packets; - stats->rx_bytes += sstats->rx_bytes; - stats->rx_errors += sstats->rx_errors; - stats->rx_dropped += sstats->rx_dropped; + local_stats.rx_packets += sstats->rx_packets; + local_stats.rx_bytes += sstats->rx_bytes; + local_stats.rx_errors += sstats->rx_errors; + local_stats.rx_dropped += sstats->rx_dropped; - stats->tx_packets += sstats->tx_packets; - stats->tx_bytes += sstats->tx_bytes; - stats->tx_errors += sstats->tx_errors; - stats->tx_dropped += sstats->tx_dropped; + local_stats.tx_packets += sstats->tx_packets; + local_stats.tx_bytes += sstats->tx_bytes; + local_stats.tx_errors += sstats->tx_errors; + local_stats.tx_dropped += sstats->tx_dropped; - stats->multicast += sstats->multicast; - stats->collisions += sstats->collisions; + local_stats.multicast += sstats->multicast; + local_stats.collisions += sstats->collisions; - stats->rx_length_errors += sstats->rx_length_errors; - stats->rx_over_errors += sstats->rx_over_errors; - stats->rx_crc_errors += sstats->rx_crc_errors; - stats->rx_frame_errors += sstats->rx_frame_errors; - stats->rx_fifo_errors += sstats->rx_fifo_errors; - stats->rx_missed_errors += sstats->rx_missed_errors; + local_stats.rx_length_errors += sstats->rx_length_errors; + local_stats.rx_over_errors += sstats->rx_over_errors; + local_stats.rx_crc_errors += sstats->rx_crc_errors; + local_stats.rx_frame_errors += sstats->rx_frame_errors; + local_stats.rx_fifo_errors += sstats->rx_fifo_errors; + local_stats.rx_missed_errors += sstats->rx_missed_errors; - stats->tx_aborted_errors += sstats->tx_aborted_errors; - stats->tx_carrier_errors += sstats->tx_carrier_errors; - stats->tx_fifo_errors += sstats->tx_fifo_errors; - stats->tx_heartbeat_errors += sstats->tx_heartbeat_errors; - stats->tx_window_errors += sstats->tx_window_errors; + local_stats.tx_aborted_errors += sstats->tx_aborted_errors; + local_stats.tx_carrier_errors += sstats->tx_carrier_errors; + local_stats.tx_fifo_errors += sstats->tx_fifo_errors; + local_stats.tx_heartbeat_errors += sstats->tx_heartbeat_errors; + local_stats.tx_window_errors += sstats->tx_window_errors; } + memcpy(stats, &local_stats, sizeof(struct net_device_stats)); + read_unlock_bh(&bond->lock); return stats; @@ -3937,8 +3934,6 @@ static void bond_set_multicast_list(struct net_device *bond_dev) struct bonding *bond = bond_dev->priv; struct dev_mc_list *dmi; - write_lock_bh(&bond->lock); - /* * Do promisc before checking multicast_mode */ @@ -3959,6 +3954,8 @@ static void bond_set_multicast_list(struct net_device *bond_dev) bond_set_allmulti(bond, -1); } + read_lock(&bond->lock); + bond->flags = bond_dev->flags; /* looking for addresses to add to slaves' mc list */ @@ -3979,7 +3976,7 @@ static void bond_set_multicast_list(struct net_device *bond_dev) bond_mc_list_destroy(bond); bond_mc_list_copy(bond_dev->mc_list, bond, GFP_ATOMIC); - write_unlock_bh(&bond->lock); + read_unlock(&bond->lock); } /* @@ -4526,7 +4523,9 @@ static void bond_free_all(void) struct net_device *bond_dev = bond->dev; bond_work_cancel_all(bond); + netif_tx_lock_bh(bond_dev); bond_mc_list_destroy(bond); + netif_tx_unlock_bh(bond_dev); /* Release the bonded slaves */ bond_release_all(bond_dev); bond_deinit(bond_dev); @@ -4549,14 +4548,19 @@ static void bond_free_all(void) int bond_parse_parm(const char *buf, struct bond_parm_tbl *tbl) { int mode = -1, i, rv; - char modestr[BOND_MAX_MODENAME_LEN + 1] = { 0, }; + char *p, modestr[BOND_MAX_MODENAME_LEN + 1] = { 0, }; - rv = sscanf(buf, "%d", &mode); - if (!rv) { + for (p = (char *)buf; *p; p++) + if (!(isdigit(*p) || isspace(*p))) + break; + + if (*p) rv = sscanf(buf, "%20s", modestr); - if (!rv) - return -1; - } + else + rv = sscanf(buf, "%d", &mode); + + if (!rv) + return -1; for (i = 0; tbl[i].modename; i++) { if (mode == tbl[i].mode) @@ -4883,14 +4887,16 @@ int bond_create(char *name, struct bond_params *params, struct bonding **newbond down_write(&bonding_rwsem); /* Check to see if the bond already exists. */ - list_for_each_entry_safe(bond, nxt, &bond_dev_list, bond_list) - if (strnicmp(bond->dev->name, name, IFNAMSIZ) == 0) { - printk(KERN_ERR DRV_NAME + if (name) { + list_for_each_entry_safe(bond, nxt, &bond_dev_list, bond_list) + if (strnicmp(bond->dev->name, name, IFNAMSIZ) == 0) { + printk(KERN_ERR DRV_NAME ": cannot add bond %s; it already exists\n", - name); - res = -EPERM; - goto out_rtnl; - } + name); + res = -EPERM; + goto out_rtnl; + } + } bond_dev = alloc_netdev(sizeof(struct bonding), name ? name : "", ether_setup); diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index 6d83be49899a..67ccad69d445 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -22,8 +22,8 @@ #include "bond_3ad.h" #include "bond_alb.h" -#define DRV_VERSION "3.2.3" -#define DRV_RELDATE "December 6, 2007" +#define DRV_VERSION "3.2.4" +#define DRV_RELDATE "January 28, 2008" #define DRV_NAME "bonding" #define DRV_DESCRIPTION "Ethernet Channel Bonding Driver" diff --git a/drivers/net/cxgb3/mc5.c b/drivers/net/cxgb3/mc5.c index 84c1ffa8e2d3..4c4d6e877ea6 100644 --- a/drivers/net/cxgb3/mc5.c +++ b/drivers/net/cxgb3/mc5.c @@ -452,7 +452,7 @@ void t3_mc5_intr_handler(struct mc5 *mc5) t3_write_reg(adap, A_MC5_DB_INT_CAUSE, cause); } -void __devinit t3_mc5_prep(struct adapter *adapter, struct mc5 *mc5, int mode) +void t3_mc5_prep(struct adapter *adapter, struct mc5 *mc5, int mode) { #define K * 1024 diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c index cb684d30831f..9ca8c66abd16 100644 --- a/drivers/net/cxgb3/sge.c +++ b/drivers/net/cxgb3/sge.c @@ -2836,7 +2836,7 @@ void t3_sge_init(struct adapter *adap, struct sge_params *p) * defaults for the assorted SGE parameters, which admins can change until * they are used to initialize the SGE. */ -void __devinit t3_sge_prep(struct adapter *adap, struct sge_params *p) +void t3_sge_prep(struct adapter *adap, struct sge_params *p) { int i; diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c index 7469935877bd..a99496a431c4 100644 --- a/drivers/net/cxgb3/t3_hw.c +++ b/drivers/net/cxgb3/t3_hw.c @@ -2675,7 +2675,7 @@ void t3_tp_set_max_rxsize(struct adapter *adap, unsigned int size) V_PMMAXXFERLEN0(size) | V_PMMAXXFERLEN1(size)); } -static void __devinit init_mtus(unsigned short mtus[]) +static void init_mtus(unsigned short mtus[]) { /* * See draft-mathis-plpmtud-00.txt for the values. The min is 88 so @@ -2703,7 +2703,7 @@ static void __devinit init_mtus(unsigned short mtus[]) /* * Initial congestion control parameters. */ -static void __devinit init_cong_ctrl(unsigned short *a, unsigned short *b) +static void init_cong_ctrl(unsigned short *a, unsigned short *b) { a[0] = a[1] = a[2] = a[3] = a[4] = a[5] = a[6] = a[7] = a[8] = 1; a[9] = 2; @@ -3354,8 +3354,7 @@ out_err: * Determines a card's PCI mode and associated parameters, such as speed * and width. */ -static void __devinit get_pci_mode(struct adapter *adapter, - struct pci_params *p) +static void get_pci_mode(struct adapter *adapter, struct pci_params *p) { static unsigned short speed_map[] = { 33, 66, 100, 133 }; u32 pci_mode, pcie_cap; @@ -3395,8 +3394,7 @@ static void __devinit get_pci_mode(struct adapter *adapter, * capabilities and default speed/duplex/flow-control/autonegotiation * settings. */ -static void __devinit init_link_config(struct link_config *lc, - unsigned int caps) +static void init_link_config(struct link_config *lc, unsigned int caps) { lc->supported = caps; lc->requested_speed = lc->speed = SPEED_INVALID; @@ -3419,7 +3417,7 @@ static void __devinit init_link_config(struct link_config *lc, * Calculates the size of an MC7 memory in bytes from the value of its * configuration register. */ -static unsigned int __devinit mc7_calc_size(u32 cfg) +static unsigned int mc7_calc_size(u32 cfg) { unsigned int width = G_WIDTH(cfg); unsigned int banks = !!(cfg & F_BKS) + 1; @@ -3430,8 +3428,8 @@ static unsigned int __devinit mc7_calc_size(u32 cfg) return MBs << 20; } -static void __devinit mc7_prep(struct adapter *adapter, struct mc7 *mc7, - unsigned int base_addr, const char *name) +static void mc7_prep(struct adapter *adapter, struct mc7 *mc7, + unsigned int base_addr, const char *name) { u32 cfg; @@ -3517,7 +3515,7 @@ static int t3_reset_adapter(struct adapter *adapter) return 0; } -static int __devinit init_parity(struct adapter *adap) +static int init_parity(struct adapter *adap) { int i, err, addr; @@ -3552,8 +3550,8 @@ static int __devinit init_parity(struct adapter *adap) * for some adapter tunables, take PHYs out of reset, and initialize the MDIO * interface. */ -int __devinit t3_prep_adapter(struct adapter *adapter, - const struct adapter_info *ai, int reset) +int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai, + int reset) { int ret; unsigned int i, j = 0; diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 51cf577035be..36ba6dc96acc 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -94,7 +94,7 @@ * enabled. 82557 pads with 7Eh, while the later controllers pad * with 00h. * - * IV. Recieve + * IV. Receive * * The Receive Frame Area (RFA) comprises a ring of Receive Frame * Descriptors (RFD) + data buffer, thus forming the simplified mode @@ -120,7 +120,7 @@ * and Rx indication and re-allocation happen in the same context, * therefore no locking is required. A software-generated interrupt * is generated from the watchdog to recover from a failed allocation - * senario where all Rx resources have been indicated and none re- + * scenario where all Rx resources have been indicated and none re- * placed. * * V. Miscellaneous @@ -954,7 +954,7 @@ static void e100_get_defaults(struct nic *nic) /* Quadwords to DMA into FIFO before starting frame transmit */ nic->tx_threshold = 0xE0; - /* no interrupt for every tx completion, delay = 256us if not 557*/ + /* no interrupt for every tx completion, delay = 256us if not 557 */ nic->tx_command = cpu_to_le16(cb_tx | cb_tx_sf | ((nic->mac >= mac_82558_D101_A4) ? cb_cid : cb_i)); @@ -1497,7 +1497,7 @@ static void e100_update_stats(struct nic *nic) &s->complete; /* Device's stats reporting may take several microseconds to - * complete, so where always waiting for results of the + * complete, so we're always waiting for results of the * previous command. */ if(*complete == cpu_to_le32(cuc_dump_reset_complete)) { @@ -1958,7 +1958,7 @@ static void e100_rx_clean(struct nic *nic, unsigned int *work_done, if(restart_required) { // ack the rnr? - writeb(stat_ack_rnr, &nic->csr->scb.stat_ack); + iowrite8(stat_ack_rnr, &nic->csr->scb.stat_ack); e100_start_receiver(nic, nic->rx_to_clean); if(work_done) (*work_done)++; @@ -2774,7 +2774,7 @@ static void __devexit e100_remove(struct pci_dev *pdev) struct nic *nic = netdev_priv(netdev); unregister_netdev(netdev); e100_free(nic); - iounmap(nic->csr); + pci_iounmap(pdev, nic->csr); free_netdev(netdev); pci_release_regions(pdev); pci_disable_device(pdev); @@ -2858,17 +2858,17 @@ static void e100_shutdown(struct pci_dev *pdev) /** * e100_io_error_detected - called when PCI error is detected. * @pdev: Pointer to PCI device - * @state: The current pci conneection state + * @state: The current pci connection state */ static pci_ers_result_t e100_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) { struct net_device *netdev = pci_get_drvdata(pdev); struct nic *nic = netdev_priv(netdev); - /* Similar to calling e100_down(), but avoids adpater I/O. */ + /* Similar to calling e100_down(), but avoids adapter I/O. */ netdev->stop(netdev); - /* Detach; put netif into state similar to hotplug unplug. */ + /* Detach; put netif into a state similar to hotplug unplug. */ napi_enable(&nic->napi); netif_device_detach(netdev); pci_disable_device(pdev); diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 8c87940a9ce8..7c5b05a82f0e 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -853,7 +853,7 @@ e1000_reset(struct e1000_adapter *adapter) /** * Dump the eeprom for users having checksum issues **/ -void e1000_dump_eeprom(struct e1000_adapter *adapter) +static void e1000_dump_eeprom(struct e1000_adapter *adapter) { struct net_device *netdev = adapter->netdev; struct ethtool_eeprom eeprom; diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h index f2175ea46b83..6232c3e96689 100644 --- a/drivers/net/e1000e/defines.h +++ b/drivers/net/e1000e/defines.h @@ -63,6 +63,7 @@ #define E1000_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */ #define E1000_WUFC_MC 0x00000008 /* Directed Multicast Wakeup Enable */ #define E1000_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */ +#define E1000_WUFC_ARP 0x00000020 /* ARP Request Packet Wakeup Enable */ /* Extended Device Control */ #define E1000_CTRL_EXT_SDP7_DATA 0x00000080 /* Value of SW Defineable Pin 7 */ diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c index 6d9c27fd0b53..f77a7427d3a0 100644 --- a/drivers/net/e1000e/ethtool.c +++ b/drivers/net/e1000e/ethtool.c @@ -690,8 +690,8 @@ err_setup: return err; } -bool reg_pattern_test_array(struct e1000_adapter *adapter, u64 *data, - int reg, int offset, u32 mask, u32 write) +static bool reg_pattern_test_array(struct e1000_adapter *adapter, u64 *data, + int reg, int offset, u32 mask, u32 write) { int i; u32 read; @@ -1632,7 +1632,8 @@ static void e1000_get_wol(struct net_device *netdev, return; wol->supported = WAKE_UCAST | WAKE_MCAST | - WAKE_BCAST | WAKE_MAGIC; + WAKE_BCAST | WAKE_MAGIC | + WAKE_PHY | WAKE_ARP; /* apply any specific unsupported masks here */ if (adapter->flags & FLAG_NO_WAKE_UCAST) { @@ -1651,6 +1652,10 @@ static void e1000_get_wol(struct net_device *netdev, wol->wolopts |= WAKE_BCAST; if (adapter->wol & E1000_WUFC_MAG) wol->wolopts |= WAKE_MAGIC; + if (adapter->wol & E1000_WUFC_LNKC) + wol->wolopts |= WAKE_PHY; + if (adapter->wol & E1000_WUFC_ARP) + wol->wolopts |= WAKE_ARP; } static int e1000_set_wol(struct net_device *netdev, @@ -1658,7 +1663,7 @@ static int e1000_set_wol(struct net_device *netdev, { struct e1000_adapter *adapter = netdev_priv(netdev); - if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE)) + if (wol->wolopts & WAKE_MAGICSECURE) return -EOPNOTSUPP; if (!(adapter->flags & FLAG_HAS_WOL)) @@ -1675,6 +1680,10 @@ static int e1000_set_wol(struct net_device *netdev, adapter->wol |= E1000_WUFC_BC; if (wol->wolopts & WAKE_MAGIC) adapter->wol |= E1000_WUFC_MAG; + if (wol->wolopts & WAKE_PHY) + adapter->wol |= E1000_WUFC_LNKC; + if (wol->wolopts & WAKE_ARP) + adapter->wol |= E1000_WUFC_ARP; return 0; } diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 0a2cb7960c9e..f58f017ee47a 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -945,11 +945,7 @@ static int e1000_request_irq(struct e1000_adapter *adapter) int irq_flags = IRQF_SHARED; int err; - err = pci_enable_msi(adapter->pdev); - if (err) { - ndev_warn(netdev, - "Unable to allocate MSI interrupt Error: %d\n", err); - } else { + if (!pci_enable_msi(adapter->pdev)) { adapter->flags |= FLAG_MSI_ENABLED; handler = e1000_intr_msi; irq_flags = 0; @@ -958,10 +954,12 @@ static int e1000_request_irq(struct e1000_adapter *adapter) err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name, netdev); if (err) { + ndev_err(netdev, + "Unable to allocate %s interrupt (return: %d)\n", + adapter->flags & FLAG_MSI_ENABLED ? "MSI":"INTx", + err); if (adapter->flags & FLAG_MSI_ENABLED) pci_disable_msi(adapter->pdev); - ndev_err(netdev, - "Unable to allocate interrupt Error: %d\n", err); } return err; diff --git a/drivers/net/eexpress.c b/drivers/net/eexpress.c index d5459a8056b1..2eb82aba4a8b 100644 --- a/drivers/net/eexpress.c +++ b/drivers/net/eexpress.c @@ -9,7 +9,7 @@ * Many modifications, and currently maintained, by * Philip Blundell <philb@gnu.org> * Added the Compaq LTE Alan Cox <alan@redhat.com> - * Added MCA support Adam Fritzler <mid@auk.cx> + * Added MCA support Adam Fritzler * * Note - this driver is experimental still - it has problems on faster * machines. Someone needs to sit down and go through it line by line with diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h index 5f82a4647eee..88fb53eba715 100644 --- a/drivers/net/ehea/ehea.h +++ b/drivers/net/ehea/ehea.h @@ -458,4 +458,7 @@ void ehea_set_ethtool_ops(struct net_device *netdev); int ehea_sense_port_attr(struct ehea_port *port); int ehea_set_portspeed(struct ehea_port *port, u32 port_speed); +extern u64 ehea_driver_flags; +extern struct work_struct ehea_rereg_mr_task; + #endif /* __EHEA_H__ */ diff --git a/drivers/net/ehea/ehea_ethtool.c b/drivers/net/ehea/ehea_ethtool.c index 679f40ee9572..d76885223366 100644 --- a/drivers/net/ehea/ehea_ethtool.c +++ b/drivers/net/ehea/ehea_ethtool.c @@ -40,7 +40,7 @@ static int ehea_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) return ret; if (netif_carrier_ok(dev)) { - switch(port->port_speed) { + switch (port->port_speed) { case EHEA_SPEED_10M: cmd->speed = SPEED_10; break; case EHEA_SPEED_100M: cmd->speed = SPEED_100; break; case EHEA_SPEED_1G: cmd->speed = SPEED_1000; break; @@ -78,7 +78,7 @@ static int ehea_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) goto doit; } - switch(cmd->speed) { + switch (cmd->speed) { case SPEED_10: if (cmd->duplex == DUPLEX_FULL) sp = H_SPEED_10M_F; diff --git a/drivers/net/ehea/ehea_hw.h b/drivers/net/ehea/ehea_hw.h index 1af7ca499ec5..567981b4b2cc 100644 --- a/drivers/net/ehea/ehea_hw.h +++ b/drivers/net/ehea/ehea_hw.h @@ -29,10 +29,10 @@ #ifndef __EHEA_HW_H__ #define __EHEA_HW_H__ -#define QPX_SQA_VALUE EHEA_BMASK_IBM(48,63) -#define QPX_RQ1A_VALUE EHEA_BMASK_IBM(48,63) -#define QPX_RQ2A_VALUE EHEA_BMASK_IBM(48,63) -#define QPX_RQ3A_VALUE EHEA_BMASK_IBM(48,63) +#define QPX_SQA_VALUE EHEA_BMASK_IBM(48, 63) +#define QPX_RQ1A_VALUE EHEA_BMASK_IBM(48, 63) +#define QPX_RQ2A_VALUE EHEA_BMASK_IBM(48, 63) +#define QPX_RQ3A_VALUE EHEA_BMASK_IBM(48, 63) #define QPTEMM_OFFSET(x) offsetof(struct ehea_qptemm, x) diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index 869e1604b16e..c051c7e09b9a 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -6,9 +6,9 @@ * (C) Copyright IBM Corp. 2006 * * Authors: - * Christoph Raisch <raisch@de.ibm.com> - * Jan-Bernd Themann <themann@de.ibm.com> - * Thomas Klein <tklein@de.ibm.com> + * Christoph Raisch <raisch@de.ibm.com> + * Jan-Bernd Themann <themann@de.ibm.com> + * Thomas Klein <tklein@de.ibm.com> * * * This program is free software; you can redistribute it and/or modify @@ -54,11 +54,11 @@ static int rq1_entries = EHEA_DEF_ENTRIES_RQ1; static int rq2_entries = EHEA_DEF_ENTRIES_RQ2; static int rq3_entries = EHEA_DEF_ENTRIES_RQ3; static int sq_entries = EHEA_DEF_ENTRIES_SQ; -static int use_mcs = 0; -static int use_lro = 0; +static int use_mcs; +static int use_lro; static int lro_max_aggr = EHEA_LRO_MAX_AGGR; static int num_tx_qps = EHEA_NUM_TX_QP; -static int prop_carrier_state = 0; +static int prop_carrier_state; module_param(msg_level, int, 0); module_param(rq1_entries, int, 0); @@ -94,9 +94,9 @@ MODULE_PARM_DESC(lro_max_aggr, " LRO: Max packets to be aggregated. Default = " MODULE_PARM_DESC(use_lro, " Large Receive Offload, 1: enable, 0: disable, " "Default = 0"); -static int port_name_cnt = 0; +static int port_name_cnt; static LIST_HEAD(adapter_list); -u64 ehea_driver_flags = 0; +u64 ehea_driver_flags; struct work_struct ehea_rereg_mr_task; struct semaphore dlpar_mem_lock; @@ -121,12 +121,13 @@ static struct of_platform_driver ehea_driver = { .remove = ehea_remove, }; -void ehea_dump(void *adr, int len, char *msg) { +void ehea_dump(void *adr, int len, char *msg) +{ int x; unsigned char *deb = adr; for (x = 0; x < len; x += 16) { printk(DRV_NAME " %s adr=%p ofs=%04x %016lx %016lx\n", msg, - deb, x, *((u64*)&deb[0]), *((u64*)&deb[8])); + deb, x, *((u64 *)&deb[0]), *((u64 *)&deb[8])); deb += 16; } } @@ -518,7 +519,8 @@ static int ehea_proc_rwqes(struct net_device *dev, last_wqe_index = wqe_index; rmb(); if (!ehea_check_cqe(cqe, &rq)) { - if (rq == 1) { /* LL RQ1 */ + if (rq == 1) { + /* LL RQ1 */ skb = get_skb_by_index_ll(skb_arr_rq1, skb_arr_rq1_len, wqe_index); @@ -531,10 +533,11 @@ static int ehea_proc_rwqes(struct net_device *dev, if (!skb) break; } - skb_copy_to_linear_data(skb, ((char*)cqe) + 64, + skb_copy_to_linear_data(skb, ((char *)cqe) + 64, cqe->num_bytes_transfered - 4); ehea_fill_skb(dev, skb, cqe); - } else if (rq == 2) { /* RQ2 */ + } else if (rq == 2) { + /* RQ2 */ skb = get_skb_by_index(skb_arr_rq2, skb_arr_rq2_len, cqe); if (unlikely(!skb)) { @@ -544,7 +547,8 @@ static int ehea_proc_rwqes(struct net_device *dev, } ehea_fill_skb(dev, skb, cqe); processed_rq2++; - } else { /* RQ3 */ + } else { + /* RQ3 */ skb = get_skb_by_index(skb_arr_rq3, skb_arr_rq3_len, cqe); if (unlikely(!skb)) { @@ -592,7 +596,7 @@ static struct ehea_cqe *ehea_proc_cqes(struct ehea_port_res *pr, int my_quota) unsigned long flags; cqe = ehea_poll_cq(send_cq); - while(cqe && (quota > 0)) { + while (cqe && (quota > 0)) { ehea_inc_cq(send_cq); cqe_counter++; @@ -643,7 +647,8 @@ static struct ehea_cqe *ehea_proc_cqes(struct ehea_port_res *pr, int my_quota) static int ehea_poll(struct napi_struct *napi, int budget) { - struct ehea_port_res *pr = container_of(napi, struct ehea_port_res, napi); + struct ehea_port_res *pr = container_of(napi, struct ehea_port_res, + napi); struct net_device *dev = pr->port->netdev; struct ehea_cqe *cqe; struct ehea_cqe *cqe_skb = NULL; @@ -743,8 +748,9 @@ int ehea_sense_port_attr(struct ehea_port *port) u64 hret; struct hcp_ehea_port_cb0 *cb0; - cb0 = kzalloc(PAGE_SIZE, GFP_ATOMIC); /* May be called via */ - if (!cb0) { /* ehea_neq_tasklet() */ + /* may be called via ehea_neq_tasklet() */ + cb0 = kzalloc(PAGE_SIZE, GFP_ATOMIC); + if (!cb0) { ehea_error("no mem for cb0"); ret = -ENOMEM; goto out; @@ -762,7 +768,7 @@ int ehea_sense_port_attr(struct ehea_port *port) /* MAC address */ port->mac_addr = cb0->port_mac_addr << 16; - if (!is_valid_ether_addr((u8*)&port->mac_addr)) { + if (!is_valid_ether_addr((u8 *)&port->mac_addr)) { ret = -EADDRNOTAVAIL; goto out_free; } @@ -994,7 +1000,7 @@ static void ehea_parse_eqe(struct ehea_adapter *adapter, u64 eqe) static void ehea_neq_tasklet(unsigned long data) { - struct ehea_adapter *adapter = (struct ehea_adapter*)data; + struct ehea_adapter *adapter = (struct ehea_adapter *)data; struct ehea_eqe *eqe; u64 event_mask; @@ -1204,7 +1210,7 @@ int ehea_rem_smrs(struct ehea_port_res *pr) static int ehea_init_q_skba(struct ehea_q_skb_arr *q_skba, int max_q_entries) { - int arr_size = sizeof(void*) * max_q_entries; + int arr_size = sizeof(void *) * max_q_entries; q_skba->arr = vmalloc(arr_size); if (!q_skba->arr) @@ -1489,7 +1495,7 @@ static inline void write_swqe2_data(struct sk_buff *skb, struct net_device *dev, nfrags = skb_shinfo(skb)->nr_frags; sg1entry = &swqe->u.immdata_desc.sg_entry; - sg_list = (struct ehea_vsgentry*)&swqe->u.immdata_desc.sg_list; + sg_list = (struct ehea_vsgentry *)&swqe->u.immdata_desc.sg_list; swqe->descriptors = 0; sg1entry_contains_frag_data = 0; @@ -1542,7 +1548,7 @@ static int ehea_broadcast_reg_helper(struct ehea_port *port, u32 hcallid) reg_type, port->mac_addr, 0, hcallid); if (hret != H_SUCCESS) { ehea_error("%sregistering bc address failed (tagged)", - hcallid == H_REG_BCMC ? "" : "de"); + hcallid == H_REG_BCMC ? "" : "de"); ret = -EIO; goto out_herr; } @@ -1732,7 +1738,7 @@ static void ehea_allmulti(struct net_device *dev, int enable) } } -static void ehea_add_multicast_entry(struct ehea_port* port, u8* mc_mac_addr) +static void ehea_add_multicast_entry(struct ehea_port *port, u8 *mc_mac_addr) { struct ehea_mc_list *ehea_mcl_entry; u64 hret; @@ -1791,11 +1797,10 @@ static void ehea_set_multicast_list(struct net_device *dev) goto out; } - for (i = 0, k_mcl_entry = dev->mc_list; - i < dev->mc_count; - i++, k_mcl_entry = k_mcl_entry->next) { + for (i = 0, k_mcl_entry = dev->mc_list; i < dev->mc_count; i++, + k_mcl_entry = k_mcl_entry->next) ehea_add_multicast_entry(port, k_mcl_entry->dmi_addr); - } + } out: return; @@ -1925,12 +1930,12 @@ static inline int ehea_hash_skb(struct sk_buff *skb, int num_qps) if ((skb->protocol == htons(ETH_P_IP)) && (ip_hdr(skb)->protocol == IPPROTO_TCP)) { - tcp = (struct tcphdr*)(skb_network_header(skb) + (ip_hdr(skb)->ihl * 4)); + tcp = (struct tcphdr *)(skb_network_header(skb) + + (ip_hdr(skb)->ihl * 4)); tmp = (tcp->source + (tcp->dest << 16)) % 31; tmp += ip_hdr(skb)->daddr % 31; return tmp % num_qps; - } - else + } else return 0; } @@ -2122,7 +2127,7 @@ int ehea_activate_qp(struct ehea_adapter *adapter, struct ehea_qp *qp) u64 hret; u16 dummy16 = 0; u64 dummy64 = 0; - struct hcp_modify_qp_cb0* cb0; + struct hcp_modify_qp_cb0 *cb0; cb0 = kzalloc(PAGE_SIZE, GFP_KERNEL); if (!cb0) { @@ -2248,7 +2253,7 @@ static int ehea_clean_all_portres(struct ehea_port *port) int ret = 0; int i; - for(i = 0; i < port->num_def_qps + port->num_add_tx_qps; i++) + for (i = 0; i < port->num_def_qps + port->num_add_tx_qps; i++) ret |= ehea_clean_portres(port, &port->port_res[i]); ret |= ehea_destroy_eq(port->qp_eq); @@ -2300,7 +2305,7 @@ static int ehea_up(struct net_device *dev) goto out_clean_pr; } - for(i = 0; i < port->num_def_qps + port->num_add_tx_qps; i++) { + for (i = 0; i < port->num_def_qps + port->num_add_tx_qps; i++) { ret = ehea_activate_qp(port->adapter, port->port_res[i].qp); if (ret) { ehea_error("activate_qp failed"); @@ -2308,7 +2313,7 @@ static int ehea_up(struct net_device *dev) } } - for(i = 0; i < port->num_def_qps; i++) { + for (i = 0; i < port->num_def_qps; i++) { ret = ehea_fill_port_res(&port->port_res[i]); if (ret) { ehea_error("out_free_irqs"); @@ -2425,7 +2430,7 @@ int ehea_stop_qps(struct net_device *dev) { struct ehea_port *port = netdev_priv(dev); struct ehea_adapter *adapter = port->adapter; - struct hcp_modify_qp_cb0* cb0; + struct hcp_modify_qp_cb0 *cb0; int ret = -EIO; int dret; int i; @@ -2490,7 +2495,7 @@ out: return ret; } -void ehea_update_rqs(struct ehea_qp *orig_qp, struct ehea_port_res * pr) +void ehea_update_rqs(struct ehea_qp *orig_qp, struct ehea_port_res *pr) { struct ehea_qp qp = *orig_qp; struct ehea_qp_init_attr *init_attr = &qp.init_attr; @@ -2530,7 +2535,7 @@ int ehea_restart_qps(struct net_device *dev) int ret = 0; int i; - struct hcp_modify_qp_cb0* cb0; + struct hcp_modify_qp_cb0 *cb0; u64 hret; u64 dummy64 = 0; u16 dummy16 = 0; @@ -2804,34 +2809,6 @@ static void __devinit logical_port_release(struct device *dev) of_node_put(port->ofdev.node); } -static int ehea_driver_sysfs_add(struct device *dev, - struct device_driver *driver) -{ - int ret; - - ret = sysfs_create_link(&driver->kobj, &dev->kobj, - kobject_name(&dev->kobj)); - if (ret == 0) { - ret = sysfs_create_link(&dev->kobj, &driver->kobj, - "driver"); - if (ret) - sysfs_remove_link(&driver->kobj, - kobject_name(&dev->kobj)); - } - return ret; -} - -static void ehea_driver_sysfs_remove(struct device *dev, - struct device_driver *driver) -{ - struct device_driver *drv = driver; - - if (drv) { - sysfs_remove_link(&drv->kobj, kobject_name(&dev->kobj)); - sysfs_remove_link(&dev->kobj, "driver"); - } -} - static struct device *ehea_register_port(struct ehea_port *port, struct device_node *dn) { @@ -2856,16 +2833,8 @@ static struct device *ehea_register_port(struct ehea_port *port, goto out_unreg_of_dev; } - ret = ehea_driver_sysfs_add(&port->ofdev.dev, &ehea_driver.driver); - if (ret) { - ehea_error("failed to register sysfs driver link"); - goto out_rem_dev_file; - } - return &port->ofdev.dev; -out_rem_dev_file: - device_remove_file(&port->ofdev.dev, &dev_attr_log_port_id); out_unreg_of_dev: of_device_unregister(&port->ofdev); out: @@ -2874,7 +2843,6 @@ out: static void ehea_unregister_port(struct ehea_port *port) { - ehea_driver_sysfs_remove(&port->ofdev.dev, &ehea_driver.driver); device_remove_file(&port->ofdev.dev, &dev_attr_log_port_id); of_device_unregister(&port->ofdev); } @@ -3109,7 +3077,7 @@ static ssize_t ehea_probe_port(struct device *dev, of_node_put(eth_dn); if (port) { - for (i=0; i < EHEA_MAX_PORTS; i++) + for (i = 0; i < EHEA_MAX_PORTS; i++) if (!adapter->port[i]) { adapter->port[i] = port; break; @@ -3144,7 +3112,7 @@ static ssize_t ehea_remove_port(struct device *dev, ehea_shutdown_single_port(port); - for (i=0; i < EHEA_MAX_PORTS; i++) + for (i = 0; i < EHEA_MAX_PORTS; i++) if (adapter->port[i] == port) { adapter->port[i] = NULL; break; @@ -3313,7 +3281,7 @@ static int ehea_reboot_notifier(struct notifier_block *nb, } static struct notifier_block ehea_reboot_nb = { - .notifier_call = ehea_reboot_notifier, + .notifier_call = ehea_reboot_notifier, }; static int check_module_parm(void) diff --git a/drivers/net/ehea/ehea_phyp.c b/drivers/net/ehea/ehea_phyp.c index 95c4a7f9cc88..156eb6320b4e 100644 --- a/drivers/net/ehea/ehea_phyp.c +++ b/drivers/net/ehea/ehea_phyp.c @@ -6,9 +6,9 @@ * (C) Copyright IBM Corp. 2006 * * Authors: - * Christoph Raisch <raisch@de.ibm.com> - * Jan-Bernd Themann <themann@de.ibm.com> - * Thomas Klein <tklein@de.ibm.com> + * Christoph Raisch <raisch@de.ibm.com> + * Jan-Bernd Themann <themann@de.ibm.com> + * Thomas Klein <tklein@de.ibm.com> * * * This program is free software; you can redistribute it and/or modify @@ -38,11 +38,11 @@ static inline u16 get_order_of_qentries(u16 queue_entries) } /* Defines for H_CALL H_ALLOC_RESOURCE */ -#define H_ALL_RES_TYPE_QP 1 -#define H_ALL_RES_TYPE_CQ 2 -#define H_ALL_RES_TYPE_EQ 3 -#define H_ALL_RES_TYPE_MR 5 -#define H_ALL_RES_TYPE_MW 6 +#define H_ALL_RES_TYPE_QP 1 +#define H_ALL_RES_TYPE_CQ 2 +#define H_ALL_RES_TYPE_EQ 3 +#define H_ALL_RES_TYPE_MR 5 +#define H_ALL_RES_TYPE_MW 6 static long ehea_plpar_hcall_norets(unsigned long opcode, unsigned long arg1, @@ -137,77 +137,77 @@ u64 ehea_h_query_ehea_qp(const u64 adapter_handle, const u8 qp_category, const u64 qp_handle, const u64 sel_mask, void *cb_addr) { return ehea_plpar_hcall_norets(H_QUERY_HEA_QP, - adapter_handle, /* R4 */ - qp_category, /* R5 */ - qp_handle, /* R6 */ - sel_mask, /* R7 */ + adapter_handle, /* R4 */ + qp_category, /* R5 */ + qp_handle, /* R6 */ + sel_mask, /* R7 */ virt_to_abs(cb_addr), /* R8 */ 0, 0); } /* input param R5 */ -#define H_ALL_RES_QP_EQPO EHEA_BMASK_IBM(9, 11) -#define H_ALL_RES_QP_QPP EHEA_BMASK_IBM(12, 12) -#define H_ALL_RES_QP_RQR EHEA_BMASK_IBM(13, 15) -#define H_ALL_RES_QP_EQEG EHEA_BMASK_IBM(16, 16) -#define H_ALL_RES_QP_LL_QP EHEA_BMASK_IBM(17, 17) -#define H_ALL_RES_QP_DMA128 EHEA_BMASK_IBM(19, 19) -#define H_ALL_RES_QP_HSM EHEA_BMASK_IBM(20, 21) -#define H_ALL_RES_QP_SIGT EHEA_BMASK_IBM(22, 23) -#define H_ALL_RES_QP_TENURE EHEA_BMASK_IBM(48, 55) -#define H_ALL_RES_QP_RES_TYP EHEA_BMASK_IBM(56, 63) +#define H_ALL_RES_QP_EQPO EHEA_BMASK_IBM(9, 11) +#define H_ALL_RES_QP_QPP EHEA_BMASK_IBM(12, 12) +#define H_ALL_RES_QP_RQR EHEA_BMASK_IBM(13, 15) +#define H_ALL_RES_QP_EQEG EHEA_BMASK_IBM(16, 16) +#define H_ALL_RES_QP_LL_QP EHEA_BMASK_IBM(17, 17) +#define H_ALL_RES_QP_DMA128 EHEA_BMASK_IBM(19, 19) +#define H_ALL_RES_QP_HSM EHEA_BMASK_IBM(20, 21) +#define H_ALL_RES_QP_SIGT EHEA_BMASK_IBM(22, 23) +#define H_ALL_RES_QP_TENURE EHEA_BMASK_IBM(48, 55) +#define H_ALL_RES_QP_RES_TYP EHEA_BMASK_IBM(56, 63) /* input param R9 */ -#define H_ALL_RES_QP_TOKEN EHEA_BMASK_IBM(0, 31) -#define H_ALL_RES_QP_PD EHEA_BMASK_IBM(32,63) +#define H_ALL_RES_QP_TOKEN EHEA_BMASK_IBM(0, 31) +#define H_ALL_RES_QP_PD EHEA_BMASK_IBM(32, 63) /* input param R10 */ -#define H_ALL_RES_QP_MAX_SWQE EHEA_BMASK_IBM(4, 7) -#define H_ALL_RES_QP_MAX_R1WQE EHEA_BMASK_IBM(12, 15) -#define H_ALL_RES_QP_MAX_R2WQE EHEA_BMASK_IBM(20, 23) -#define H_ALL_RES_QP_MAX_R3WQE EHEA_BMASK_IBM(28, 31) +#define H_ALL_RES_QP_MAX_SWQE EHEA_BMASK_IBM(4, 7) +#define H_ALL_RES_QP_MAX_R1WQE EHEA_BMASK_IBM(12, 15) +#define H_ALL_RES_QP_MAX_R2WQE EHEA_BMASK_IBM(20, 23) +#define H_ALL_RES_QP_MAX_R3WQE EHEA_BMASK_IBM(28, 31) /* Max Send Scatter Gather Elements */ -#define H_ALL_RES_QP_MAX_SSGE EHEA_BMASK_IBM(37, 39) -#define H_ALL_RES_QP_MAX_R1SGE EHEA_BMASK_IBM(45, 47) +#define H_ALL_RES_QP_MAX_SSGE EHEA_BMASK_IBM(37, 39) +#define H_ALL_RES_QP_MAX_R1SGE EHEA_BMASK_IBM(45, 47) /* Max Receive SG Elements RQ1 */ -#define H_ALL_RES_QP_MAX_R2SGE EHEA_BMASK_IBM(53, 55) -#define H_ALL_RES_QP_MAX_R3SGE EHEA_BMASK_IBM(61, 63) +#define H_ALL_RES_QP_MAX_R2SGE EHEA_BMASK_IBM(53, 55) +#define H_ALL_RES_QP_MAX_R3SGE EHEA_BMASK_IBM(61, 63) /* input param R11 */ -#define H_ALL_RES_QP_SWQE_IDL EHEA_BMASK_IBM(0, 7) +#define H_ALL_RES_QP_SWQE_IDL EHEA_BMASK_IBM(0, 7) /* max swqe immediate data length */ -#define H_ALL_RES_QP_PORT_NUM EHEA_BMASK_IBM(48, 63) +#define H_ALL_RES_QP_PORT_NUM EHEA_BMASK_IBM(48, 63) /* input param R12 */ -#define H_ALL_RES_QP_TH_RQ2 EHEA_BMASK_IBM(0, 15) +#define H_ALL_RES_QP_TH_RQ2 EHEA_BMASK_IBM(0, 15) /* Threshold RQ2 */ -#define H_ALL_RES_QP_TH_RQ3 EHEA_BMASK_IBM(16, 31) +#define H_ALL_RES_QP_TH_RQ3 EHEA_BMASK_IBM(16, 31) /* Threshold RQ3 */ /* output param R6 */ -#define H_ALL_RES_QP_ACT_SWQE EHEA_BMASK_IBM(0, 15) -#define H_ALL_RES_QP_ACT_R1WQE EHEA_BMASK_IBM(16, 31) -#define H_ALL_RES_QP_ACT_R2WQE EHEA_BMASK_IBM(32, 47) -#define H_ALL_RES_QP_ACT_R3WQE EHEA_BMASK_IBM(48, 63) +#define H_ALL_RES_QP_ACT_SWQE EHEA_BMASK_IBM(0, 15) +#define H_ALL_RES_QP_ACT_R1WQE EHEA_BMASK_IBM(16, 31) +#define H_ALL_RES_QP_ACT_R2WQE EHEA_BMASK_IBM(32, 47) +#define H_ALL_RES_QP_ACT_R3WQE EHEA_BMASK_IBM(48, 63) /* output param, R7 */ -#define H_ALL_RES_QP_ACT_SSGE EHEA_BMASK_IBM(0, 7) -#define H_ALL_RES_QP_ACT_R1SGE EHEA_BMASK_IBM(8, 15) -#define H_ALL_RES_QP_ACT_R2SGE EHEA_BMASK_IBM(16, 23) -#define H_ALL_RES_QP_ACT_R3SGE EHEA_BMASK_IBM(24, 31) +#define H_ALL_RES_QP_ACT_SSGE EHEA_BMASK_IBM(0, 7) +#define H_ALL_RES_QP_ACT_R1SGE EHEA_BMASK_IBM(8, 15) +#define H_ALL_RES_QP_ACT_R2SGE EHEA_BMASK_IBM(16, 23) +#define H_ALL_RES_QP_ACT_R3SGE EHEA_BMASK_IBM(24, 31) #define H_ALL_RES_QP_ACT_SWQE_IDL EHEA_BMASK_IBM(32, 39) /* output param R8,R9 */ -#define H_ALL_RES_QP_SIZE_SQ EHEA_BMASK_IBM(0, 31) -#define H_ALL_RES_QP_SIZE_RQ1 EHEA_BMASK_IBM(32, 63) -#define H_ALL_RES_QP_SIZE_RQ2 EHEA_BMASK_IBM(0, 31) -#define H_ALL_RES_QP_SIZE_RQ3 EHEA_BMASK_IBM(32, 63) +#define H_ALL_RES_QP_SIZE_SQ EHEA_BMASK_IBM(0, 31) +#define H_ALL_RES_QP_SIZE_RQ1 EHEA_BMASK_IBM(32, 63) +#define H_ALL_RES_QP_SIZE_RQ2 EHEA_BMASK_IBM(0, 31) +#define H_ALL_RES_QP_SIZE_RQ3 EHEA_BMASK_IBM(32, 63) /* output param R11,R12 */ -#define H_ALL_RES_QP_LIOBN_SQ EHEA_BMASK_IBM(0, 31) -#define H_ALL_RES_QP_LIOBN_RQ1 EHEA_BMASK_IBM(32, 63) -#define H_ALL_RES_QP_LIOBN_RQ2 EHEA_BMASK_IBM(0, 31) -#define H_ALL_RES_QP_LIOBN_RQ3 EHEA_BMASK_IBM(32, 63) +#define H_ALL_RES_QP_LIOBN_SQ EHEA_BMASK_IBM(0, 31) +#define H_ALL_RES_QP_LIOBN_RQ1 EHEA_BMASK_IBM(32, 63) +#define H_ALL_RES_QP_LIOBN_RQ2 EHEA_BMASK_IBM(0, 31) +#define H_ALL_RES_QP_LIOBN_RQ3 EHEA_BMASK_IBM(32, 63) u64 ehea_h_alloc_resource_qp(const u64 adapter_handle, struct ehea_qp_init_attr *init_attr, const u32 pd, @@ -334,28 +334,28 @@ u64 ehea_h_alloc_resource_cq(const u64 adapter_handle, } /* Defines for H_CALL H_ALLOC_RESOURCE */ -#define H_ALL_RES_TYPE_QP 1 -#define H_ALL_RES_TYPE_CQ 2 -#define H_ALL_RES_TYPE_EQ 3 -#define H_ALL_RES_TYPE_MR 5 -#define H_ALL_RES_TYPE_MW 6 +#define H_ALL_RES_TYPE_QP 1 +#define H_ALL_RES_TYPE_CQ 2 +#define H_ALL_RES_TYPE_EQ 3 +#define H_ALL_RES_TYPE_MR 5 +#define H_ALL_RES_TYPE_MW 6 /* input param R5 */ -#define H_ALL_RES_EQ_NEQ EHEA_BMASK_IBM(0, 0) +#define H_ALL_RES_EQ_NEQ EHEA_BMASK_IBM(0, 0) #define H_ALL_RES_EQ_NON_NEQ_ISN EHEA_BMASK_IBM(6, 7) #define H_ALL_RES_EQ_INH_EQE_GEN EHEA_BMASK_IBM(16, 16) -#define H_ALL_RES_EQ_RES_TYPE EHEA_BMASK_IBM(56, 63) +#define H_ALL_RES_EQ_RES_TYPE EHEA_BMASK_IBM(56, 63) /* input param R6 */ -#define H_ALL_RES_EQ_MAX_EQE EHEA_BMASK_IBM(32, 63) +#define H_ALL_RES_EQ_MAX_EQE EHEA_BMASK_IBM(32, 63) /* output param R6 */ -#define H_ALL_RES_EQ_LIOBN EHEA_BMASK_IBM(32, 63) +#define H_ALL_RES_EQ_LIOBN EHEA_BMASK_IBM(32, 63) /* output param R7 */ -#define H_ALL_RES_EQ_ACT_EQE EHEA_BMASK_IBM(32, 63) +#define H_ALL_RES_EQ_ACT_EQE EHEA_BMASK_IBM(32, 63) /* output param R8 */ -#define H_ALL_RES_EQ_ACT_PS EHEA_BMASK_IBM(32, 63) +#define H_ALL_RES_EQ_ACT_PS EHEA_BMASK_IBM(32, 63) /* output param R9 */ #define H_ALL_RES_EQ_ACT_EQ_IST_C EHEA_BMASK_IBM(30, 31) @@ -453,12 +453,12 @@ u64 ehea_h_register_smr(const u64 adapter_handle, const u64 orig_mr_handle, hret = ehea_plpar_hcall9(H_REGISTER_SMR, outs, - adapter_handle , /* R4 */ - orig_mr_handle, /* R5 */ - vaddr_in, /* R6 */ - (((u64)access_ctrl) << 32ULL), /* R7 */ - pd, /* R8 */ - 0, 0, 0, 0); /* R9-R12 */ + adapter_handle , /* R4 */ + orig_mr_handle, /* R5 */ + vaddr_in, /* R6 */ + (((u64)access_ctrl) << 32ULL), /* R7 */ + pd, /* R8 */ + 0, 0, 0, 0); /* R9-R12 */ mr->handle = outs[0]; mr->lkey = (u32)outs[2]; @@ -471,11 +471,11 @@ u64 ehea_h_disable_and_get_hea(const u64 adapter_handle, const u64 qp_handle) u64 outs[PLPAR_HCALL9_BUFSIZE]; return ehea_plpar_hcall9(H_DISABLE_AND_GET_HEA, - outs, + outs, adapter_handle, /* R4 */ H_DISABLE_GET_EHEA_WQE_P, /* R5 */ qp_handle, /* R6 */ - 0, 0, 0, 0, 0, 0); /* R7-R12 */ + 0, 0, 0, 0, 0, 0); /* R7-R12 */ } u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle, @@ -483,9 +483,9 @@ u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle, { return ehea_plpar_hcall_norets(H_FREE_RESOURCE, adapter_handle, /* R4 */ - res_handle, /* R5 */ + res_handle, /* R5 */ force_bit, - 0, 0, 0, 0); /* R7-R10 */ + 0, 0, 0, 0); /* R7-R10 */ } u64 ehea_h_alloc_resource_mr(const u64 adapter_handle, const u64 vaddr, @@ -493,13 +493,13 @@ u64 ehea_h_alloc_resource_mr(const u64 adapter_handle, const u64 vaddr, const u32 pd, u64 *mr_handle, u32 *lkey) { u64 hret; - u64 outs[PLPAR_HCALL9_BUFSIZE]; + u64 outs[PLPAR_HCALL9_BUFSIZE]; hret = ehea_plpar_hcall9(H_ALLOC_HEA_RESOURCE, outs, adapter_handle, /* R4 */ 5, /* R5 */ - vaddr, /* R6 */ + vaddr, /* R6 */ length, /* R7 */ (((u64) access_ctrl) << 32ULL), /* R8 */ pd, /* R9 */ @@ -619,8 +619,8 @@ u64 ehea_h_error_data(const u64 adapter_handle, const u64 ressource_handle, void *rblock) { return ehea_plpar_hcall_norets(H_ERROR_DATA, - adapter_handle, /* R4 */ - ressource_handle, /* R5 */ - virt_to_abs(rblock), /* R6 */ - 0, 0, 0, 0); /* R7-R12 */ + adapter_handle, /* R4 */ + ressource_handle, /* R5 */ + virt_to_abs(rblock), /* R6 */ + 0, 0, 0, 0); /* R7-R12 */ } diff --git a/drivers/net/ehea/ehea_phyp.h b/drivers/net/ehea/ehea_phyp.h index faa191d23b86..f3628c803567 100644 --- a/drivers/net/ehea/ehea_phyp.h +++ b/drivers/net/ehea/ehea_phyp.h @@ -93,7 +93,7 @@ static inline void hcp_epas_ctor(struct h_epas *epas, u64 paddr_kernel, static inline void hcp_epas_dtor(struct h_epas *epas) { if (epas->kernel.addr) - iounmap((void __iomem*)((u64)epas->kernel.addr & PAGE_MASK)); + iounmap((void __iomem *)((u64)epas->kernel.addr & PAGE_MASK)); epas->user.addr = 0; epas->kernel.addr = 0; @@ -388,23 +388,23 @@ u64 ehea_h_modify_ehea_qp(const u64 adapter_handle, const u64 qp_handle, const u64 sel_mask, void *cb_addr, - u64 * inv_attr_id, - u64 * proc_mask, u16 * out_swr, u16 * out_rwr); + u64 *inv_attr_id, + u64 *proc_mask, u16 *out_swr, u16 *out_rwr); u64 ehea_h_alloc_resource_eq(const u64 adapter_handle, - struct ehea_eq_attr *eq_attr, u64 * eq_handle); + struct ehea_eq_attr *eq_attr, u64 *eq_handle); u64 ehea_h_alloc_resource_cq(const u64 adapter_handle, struct ehea_cq_attr *cq_attr, - u64 * cq_handle, struct h_epas *epas); + u64 *cq_handle, struct h_epas *epas); u64 ehea_h_alloc_resource_qp(const u64 adapter_handle, struct ehea_qp_init_attr *init_attr, const u32 pd, - u64 * qp_handle, struct h_epas *h_epas); + u64 *qp_handle, struct h_epas *h_epas); -#define H_REG_RPAGE_PAGE_SIZE EHEA_BMASK_IBM(48,55) -#define H_REG_RPAGE_QT EHEA_BMASK_IBM(62,63) +#define H_REG_RPAGE_PAGE_SIZE EHEA_BMASK_IBM(48, 55) +#define H_REG_RPAGE_QT EHEA_BMASK_IBM(62, 63) u64 ehea_h_register_rpage(const u64 adapter_handle, const u8 pagesize, @@ -426,7 +426,7 @@ u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle, u64 ehea_h_alloc_resource_mr(const u64 adapter_handle, const u64 vaddr, const u64 length, const u32 access_ctrl, - const u32 pd, u64 * mr_handle, u32 * lkey); + const u32 pd, u64 *mr_handle, u32 *lkey); u64 ehea_h_register_rpage_mr(const u64 adapter_handle, const u64 mr_handle, const u8 pagesize, const u8 queue_type, @@ -439,8 +439,8 @@ u64 ehea_h_register_smr(const u64 adapter_handle, const u64 orig_mr_handle, u64 ehea_h_query_ehea(const u64 adapter_handle, void *cb_addr); /* output param R5 */ -#define H_MEHEAPORT_CAT EHEA_BMASK_IBM(40,47) -#define H_MEHEAPORT_PN EHEA_BMASK_IBM(48,63) +#define H_MEHEAPORT_CAT EHEA_BMASK_IBM(40, 47) +#define H_MEHEAPORT_PN EHEA_BMASK_IBM(48, 63) u64 ehea_h_query_ehea_port(const u64 adapter_handle, const u16 port_num, const u8 cb_cat, const u64 select_mask, diff --git a/drivers/net/ehea/ehea_qmr.c b/drivers/net/ehea/ehea_qmr.c index 83b76432b41a..d522e905f460 100644 --- a/drivers/net/ehea/ehea_qmr.c +++ b/drivers/net/ehea/ehea_qmr.c @@ -33,8 +33,6 @@ struct ehea_busmap ehea_bmap = { 0, 0, NULL }; -extern u64 ehea_driver_flags; -extern struct work_struct ehea_rereg_mr_task; static void *hw_qpageit_get_inc(struct hw_queue *queue) @@ -65,7 +63,7 @@ static int hw_queue_ctor(struct hw_queue *queue, const u32 nr_of_pages, } queue->queue_length = nr_of_pages * pagesize; - queue->queue_pages = kmalloc(nr_of_pages * sizeof(void*), GFP_KERNEL); + queue->queue_pages = kmalloc(nr_of_pages * sizeof(void *), GFP_KERNEL); if (!queue->queue_pages) { ehea_error("no mem for queue_pages"); return -ENOMEM; @@ -78,11 +76,11 @@ static int hw_queue_ctor(struct hw_queue *queue, const u32 nr_of_pages, */ i = 0; while (i < nr_of_pages) { - u8 *kpage = (u8*)get_zeroed_page(GFP_KERNEL); + u8 *kpage = (u8 *)get_zeroed_page(GFP_KERNEL); if (!kpage) goto out_nomem; for (k = 0; k < pages_per_kpage && i < nr_of_pages; k++) { - (queue->queue_pages)[i] = (struct ehea_page*)kpage; + (queue->queue_pages)[i] = (struct ehea_page *)kpage; kpage += pagesize; i++; } @@ -235,8 +233,8 @@ int ehea_destroy_cq(struct ehea_cq *cq) return 0; hcp_epas_dtor(&cq->epas); - - if ((hret = ehea_destroy_cq_res(cq, NORMAL_FREE)) == H_R_STATE) { + hret = ehea_destroy_cq_res(cq, NORMAL_FREE); + if (hret == H_R_STATE) { ehea_error_data(cq->adapter, cq->fw_handle); hret = ehea_destroy_cq_res(cq, FORCE_FREE); } @@ -301,13 +299,13 @@ struct ehea_eq *ehea_create_eq(struct ehea_adapter *adapter, if (i == (eq->attr.nr_pages - 1)) { /* last page */ vpage = hw_qpageit_get_inc(&eq->hw_queue); - if ((hret != H_SUCCESS) || (vpage)) { + if ((hret != H_SUCCESS) || (vpage)) goto out_kill_hwq; - } + } else { - if ((hret != H_PAGE_REGISTERED) || (!vpage)) { + if ((hret != H_PAGE_REGISTERED) || (!vpage)) goto out_kill_hwq; - } + } } @@ -331,7 +329,7 @@ struct ehea_eqe *ehea_poll_eq(struct ehea_eq *eq) unsigned long flags; spin_lock_irqsave(&eq->spinlock, flags); - eqe = (struct ehea_eqe*)hw_eqit_eq_get_inc_valid(&eq->hw_queue); + eqe = (struct ehea_eqe *)hw_eqit_eq_get_inc_valid(&eq->hw_queue); spin_unlock_irqrestore(&eq->spinlock, flags); return eqe; @@ -364,7 +362,8 @@ int ehea_destroy_eq(struct ehea_eq *eq) hcp_epas_dtor(&eq->epas); - if ((hret = ehea_destroy_eq_res(eq, NORMAL_FREE)) == H_R_STATE) { + hret = ehea_destroy_eq_res(eq, NORMAL_FREE); + if (hret == H_R_STATE) { ehea_error_data(eq->adapter, eq->fw_handle); hret = ehea_destroy_eq_res(eq, FORCE_FREE); } @@ -546,7 +545,8 @@ int ehea_destroy_qp(struct ehea_qp *qp) hcp_epas_dtor(&qp->epas); - if ((hret = ehea_destroy_qp_res(qp, NORMAL_FREE)) == H_R_STATE) { + hret = ehea_destroy_qp_res(qp, NORMAL_FREE); + if (hret == H_R_STATE) { ehea_error_data(qp->adapter, qp->fw_handle); hret = ehea_destroy_qp_res(qp, FORCE_FREE); } @@ -559,7 +559,7 @@ int ehea_destroy_qp(struct ehea_qp *qp) return 0; } -int ehea_create_busmap( void ) +int ehea_create_busmap(void) { u64 vaddr = EHEA_BUSMAP_START; unsigned long high_section_index = 0; @@ -595,7 +595,7 @@ int ehea_create_busmap( void ) return 0; } -void ehea_destroy_busmap( void ) +void ehea_destroy_busmap(void) { vfree(ehea_bmap.vaddr); } diff --git a/drivers/net/ehea/ehea_qmr.h b/drivers/net/ehea/ehea_qmr.h index bc62d389c166..0bb6f92fa2f8 100644 --- a/drivers/net/ehea/ehea_qmr.h +++ b/drivers/net/ehea/ehea_qmr.h @@ -41,8 +41,8 @@ #define EHEA_SECTSIZE (1UL << 24) #define EHEA_PAGES_PER_SECTION (EHEA_SECTSIZE >> EHEA_PAGESHIFT) -#if (1UL << SECTION_SIZE_BITS) < EHEA_SECTSIZE -#error eHEA module can't work if kernel sectionsize < ehea sectionsize +#if ((1UL << SECTION_SIZE_BITS) < EHEA_SECTSIZE) +#error eHEA module cannot work if kernel sectionsize < ehea sectionsize #endif /* Some abbreviations used here: @@ -188,8 +188,8 @@ struct ehea_eqe { u64 entry; }; -#define ERROR_DATA_LENGTH EHEA_BMASK_IBM(52,63) -#define ERROR_DATA_TYPE EHEA_BMASK_IBM(0,7) +#define ERROR_DATA_LENGTH EHEA_BMASK_IBM(52, 63) +#define ERROR_DATA_TYPE EHEA_BMASK_IBM(0, 7) static inline void *hw_qeit_calc(struct hw_queue *queue, u64 q_offset) { @@ -279,7 +279,7 @@ static inline void *hw_qeit_eq_get_inc(struct hw_queue *queue) static inline void *hw_eqit_eq_get_inc_valid(struct hw_queue *queue) { void *retvalue = hw_qeit_get(queue); - u32 qe = *(u8*)retvalue; + u32 qe = *(u8 *)retvalue; if ((qe >> 7) == (queue->toggle_state & 1)) hw_qeit_eq_get_inc(queue); else @@ -364,7 +364,7 @@ struct ehea_cq *ehea_create_cq(struct ehea_adapter *adapter, int cqe, int ehea_destroy_cq(struct ehea_cq *cq); -struct ehea_qp *ehea_create_qp(struct ehea_adapter * adapter, u32 pd, +struct ehea_qp *ehea_create_qp(struct ehea_adapter *adapter, u32 pd, struct ehea_qp_init_attr *init_attr); int ehea_destroy_qp(struct ehea_qp *qp); @@ -378,8 +378,8 @@ int ehea_rem_mr(struct ehea_mr *mr); void ehea_error_data(struct ehea_adapter *adapter, u64 res_handle); -int ehea_create_busmap( void ); -void ehea_destroy_busmap( void ); +int ehea_create_busmap(void); +void ehea_destroy_busmap(void); u64 ehea_map_vaddr(void *caddr); #endif /* __EHEA_QMR_H__ */ diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 7667a62ac31f..36342230a6de 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -13,7 +13,7 @@ * Copyright (C) 2004 Andrew de Quincey (wol support) * Copyright (C) 2004 Carl-Daniel Hailfinger (invalid MAC handling, insane * IRQ rate fixes, bigendian fixes, cleanups, verification) - * Copyright (c) 2004,5,6 NVIDIA Corporation + * Copyright (c) 2004,2005,2006,2007,2008 NVIDIA Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -226,7 +226,7 @@ enum { #define NVREG_MISC1_HD 0x02 #define NVREG_MISC1_FORCE 0x3b0f3c - NvRegMacReset = 0x3c, + NvRegMacReset = 0x34, #define NVREG_MAC_RESET_ASSERT 0x0F3 NvRegTransmitterControl = 0x084, #define NVREG_XMITCTL_START 0x01 @@ -277,7 +277,9 @@ enum { #define NVREG_MCASTADDRA_FORCE 0x01 NvRegMulticastAddrB = 0xB4, NvRegMulticastMaskA = 0xB8, +#define NVREG_MCASTMASKA_NONE 0xffffffff NvRegMulticastMaskB = 0xBC, +#define NVREG_MCASTMASKB_NONE 0xffff NvRegPhyInterface = 0xC0, #define PHY_RGMII 0x10000000 @@ -316,8 +318,8 @@ enum { NvRegTxRingPhysAddrHigh = 0x148, NvRegRxRingPhysAddrHigh = 0x14C, NvRegTxPauseFrame = 0x170, -#define NVREG_TX_PAUSEFRAME_DISABLE 0x1ff0080 -#define NVREG_TX_PAUSEFRAME_ENABLE 0x0c00030 +#define NVREG_TX_PAUSEFRAME_DISABLE 0x01ff0080 +#define NVREG_TX_PAUSEFRAME_ENABLE 0x01800010 NvRegMIIStatus = 0x180, #define NVREG_MIISTAT_ERROR 0x0001 #define NVREG_MIISTAT_LINKCHANGE 0x0008 @@ -471,9 +473,9 @@ union ring_type { #define NV_RX_AVAIL (1<<31) #define NV_RX2_CHECKSUMMASK (0x1C000000) -#define NV_RX2_CHECKSUMOK1 (0x10000000) -#define NV_RX2_CHECKSUMOK2 (0x14000000) -#define NV_RX2_CHECKSUMOK3 (0x18000000) +#define NV_RX2_CHECKSUM_IP (0x10000000) +#define NV_RX2_CHECKSUM_IP_TCP (0x14000000) +#define NV_RX2_CHECKSUM_IP_UDP (0x18000000) #define NV_RX2_DESCRIPTORVALID (1<<29) #define NV_RX2_SUBSTRACT1 (1<<25) #define NV_RX2_ERROR1 (1<<18) @@ -2375,14 +2377,9 @@ static int nv_rx_process(struct net_device *dev, int limit) goto next_pkt; } } - if ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK2)/*ip and tcp */ { + if (((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUM_IP_TCP) || /*ip and tcp */ + ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUM_IP_UDP)) /*ip and udp */ skb->ip_summed = CHECKSUM_UNNECESSARY; - } else { - if ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK1 || - (flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK3) { - skb->ip_summed = CHECKSUM_UNNECESSARY; - } - } } else { dev_kfree_skb(skb); goto next_pkt; @@ -2474,14 +2471,9 @@ static int nv_rx_process_optimized(struct net_device *dev, int limit) } } - if ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK2)/*ip and tcp */ { + if (((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUM_IP_TCP) || /*ip and tcp */ + ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUM_IP_UDP)) /*ip and udp */ skb->ip_summed = CHECKSUM_UNNECESSARY; - } else { - if ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK1 || - (flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK3) { - skb->ip_summed = CHECKSUM_UNNECESSARY; - } - } /* got a valid packet - forward it to the network core */ skb_put(skb, len); @@ -2703,6 +2695,9 @@ static void nv_set_multicast(struct net_device *dev) addr[1] = alwaysOn[1]; mask[0] = alwaysOn[0] | alwaysOff[0]; mask[1] = alwaysOn[1] | alwaysOff[1]; + } else { + mask[0] = NVREG_MCASTMASKA_NONE; + mask[1] = NVREG_MCASTMASKB_NONE; } } addr[0] |= NVREG_MCASTADDRA_FORCE; @@ -4813,8 +4808,8 @@ static int nv_open(struct net_device *dev) nv_mac_reset(dev); writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA); writel(0, base + NvRegMulticastAddrB); - writel(0, base + NvRegMulticastMaskA); - writel(0, base + NvRegMulticastMaskB); + writel(NVREG_MCASTMASKA_NONE, base + NvRegMulticastMaskA); + writel(NVREG_MCASTMASKB_NONE, base + NvRegMulticastMaskB); writel(0, base + NvRegPacketFilterFlags); writel(0, base + NvRegTransmitterControl); @@ -4908,8 +4903,8 @@ static int nv_open(struct net_device *dev) spin_lock_irq(&np->lock); writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA); writel(0, base + NvRegMulticastAddrB); - writel(0, base + NvRegMulticastMaskA); - writel(0, base + NvRegMulticastMaskB); + writel(NVREG_MCASTMASKA_NONE, base + NvRegMulticastMaskA); + writel(NVREG_MCASTMASKB_NONE, base + NvRegMulticastMaskB); writel(NVREG_PFF_ALWAYS|NVREG_PFF_MYADDR, base + NvRegPacketFilterFlags); /* One manual link speed update: Interrupts are enabled, future link * speed changes cause interrupts and are handled by nv_link_irq(). @@ -5603,35 +5598,35 @@ static struct pci_device_id pci_tbl[] = { }, { /* MCP77 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_32), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, }, { /* MCP77 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_33), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, }, { /* MCP77 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_34), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, }, { /* MCP77 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_35), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, }, { /* MCP79 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_36), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, }, { /* MCP79 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_37), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, }, { /* MCP79 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_38), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, }, { /* MCP79 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_39), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, }, {0,}, }; diff --git a/drivers/net/ibmlana.c b/drivers/net/ibmlana.c index 46e2c52c7862..95e3464068db 100644 --- a/drivers/net/ibmlana.c +++ b/drivers/net/ibmlana.c @@ -901,12 +901,12 @@ static short ibmlana_adapter_ids[] __initdata = { 0x0000 }; -static char *ibmlana_adapter_names[] __initdata = { +static char *ibmlana_adapter_names[] __devinitdata = { "IBM LAN Adapter/A", NULL }; -static int ibmlana_init_one(struct device *kdev) +static int __devinit ibmlana_init_one(struct device *kdev) { struct mca_device *mdev = to_mca_device(kdev); struct net_device *dev; diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index f3c144d5d72f..d4eb8e2d8720 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -438,7 +438,6 @@ static int igb_request_irq(struct igb_adapter *adapter) if (adapter->msix_entries) { err = igb_request_msix(adapter); if (!err) { - struct e1000_hw *hw = &adapter->hw; /* enable IAM, auto-mask, * DO NOT USE EIAME or IAME in legacy mode */ wr32(E1000_IAM, IMS_ENABLE_MASK); diff --git a/drivers/net/irda/ali-ircc.h b/drivers/net/irda/ali-ircc.h index e489c6661ee8..07876578887f 100644 --- a/drivers/net/irda/ali-ircc.h +++ b/drivers/net/irda/ali-ircc.h @@ -173,13 +173,13 @@ struct st_fifo { struct frame_cb { void *start; /* Start of frame in DMA mem */ - int len; /* Lenght of frame in DMA mem */ + int len; /* Length of frame in DMA mem */ }; struct tx_fifo { struct frame_cb queue[MAX_TX_WINDOW]; /* Info about frames in queue */ int ptr; /* Currently being sent */ - int len; /* Lenght of queue */ + int len; /* Length of queue */ int free; /* Next free slot */ void *tail; /* Next free start in DMA mem */ }; diff --git a/drivers/net/irda/nsc-ircc.h b/drivers/net/irda/nsc-ircc.h index bbdc97ff83ca..29398a4f73fd 100644 --- a/drivers/net/irda/nsc-ircc.h +++ b/drivers/net/irda/nsc-ircc.h @@ -231,13 +231,13 @@ struct st_fifo { struct frame_cb { void *start; /* Start of frame in DMA mem */ - int len; /* Lenght of frame in DMA mem */ + int len; /* Length of frame in DMA mem */ }; struct tx_fifo { struct frame_cb queue[MAX_TX_WINDOW]; /* Info about frames in queue */ int ptr; /* Currently being sent */ - int len; /* Lenght of queue */ + int len; /* Length of queue */ int free; /* Next free slot */ void *tail; /* Next free start in DMA mem */ }; diff --git a/drivers/net/irda/via-ircc.h b/drivers/net/irda/via-ircc.h index 204b1b34ffc7..9d012f0dbd30 100644 --- a/drivers/net/irda/via-ircc.h +++ b/drivers/net/irda/via-ircc.h @@ -54,13 +54,13 @@ struct st_fifo { struct frame_cb { void *start; /* Start of frame in DMA mem */ - int len; /* Lenght of frame in DMA mem */ + int len; /* Length of frame in DMA mem */ }; struct tx_fifo { struct frame_cb queue[MAX_TX_WINDOW + 2]; /* Info about frames in queue */ int ptr; /* Currently being sent */ - int len; /* Lenght of queue */ + int len; /* Length of queue */ int free; /* Next free slot */ void *tail; /* Next free start in DMA mem */ }; diff --git a/drivers/net/lib8390.c b/drivers/net/lib8390.c index c429a5002dd6..0c5447dac03b 100644 --- a/drivers/net/lib8390.c +++ b/drivers/net/lib8390.c @@ -148,7 +148,7 @@ static void __NS8390_init(struct net_device *dev, int startp); * * "The author (me) didn't use spin_lock_irqsave because the slowness of the * card means that approach caused horrible problems like losing serial data - * at 38400 baud on some chips. Rememeber many 8390 nics on PCI were ISA + * at 38400 baud on some chips. Remember many 8390 nics on PCI were ISA * chips with FPGA front ends. * * Ok the logic behind the 8390 is very simple: diff --git a/drivers/net/macb.c b/drivers/net/macb.c index e10528ed9081..81bf005ff280 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -1084,7 +1084,7 @@ static int macb_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) return phy_mii_ioctl(phydev, if_mii(rq), cmd); } -static int __devinit macb_probe(struct platform_device *pdev) +static int __init macb_probe(struct platform_device *pdev) { struct eth_platform_data *pdata; struct resource *regs; @@ -1248,7 +1248,7 @@ err_out: return err; } -static int __devexit macb_remove(struct platform_device *pdev) +static int __exit macb_remove(struct platform_device *pdev) { struct net_device *dev; struct macb *bp; @@ -1276,8 +1276,7 @@ static int __devexit macb_remove(struct platform_device *pdev) } static struct platform_driver macb_driver = { - .probe = macb_probe, - .remove = __devexit_p(macb_remove), + .remove = __exit_p(macb_remove), .driver = { .name = "macb", }, @@ -1285,7 +1284,7 @@ static struct platform_driver macb_driver = { static int __init macb_init(void) { - return platform_driver_register(&macb_driver); + return platform_driver_probe(&macb_driver, macb_probe); } static void __exit macb_exit(void) diff --git a/drivers/net/mipsnet.c b/drivers/net/mipsnet.c index aafc3ce59cbb..6d343efb2717 100644 --- a/drivers/net/mipsnet.c +++ b/drivers/net/mipsnet.c @@ -4,8 +4,6 @@ * for more details. */ -#define DEBUG - #include <linux/init.h> #include <linux/io.h> #include <linux/kernel.h> @@ -15,11 +13,93 @@ #include <linux/platform_device.h> #include <asm/mips-boards/simint.h> -#include "mipsnet.h" /* actual device IO mapping */ +#define MIPSNET_VERSION "2007-11-17" + +/* + * Net status/control block as seen by sw in the core. + */ +struct mipsnet_regs { + /* + * Device info for probing, reads as MIPSNET%d where %d is some + * form of version. + */ + u64 devId; /*0x00 */ -#define MIPSNET_VERSION "2005-06-20" + /* + * read only busy flag. + * Set and cleared by the Net Device to indicate that an rx or a tx + * is in progress. + */ + u32 busy; /*0x08 */ -#define mipsnet_reg_address(dev, field) (dev->base_addr + field_offset(field)) + /* + * Set by the Net Device. + * The device will set it once data has been received. + * The value is the number of bytes that should be read from + * rxDataBuffer. The value will decrease till 0 until all the data + * from rxDataBuffer has been read. + */ + u32 rxDataCount; /*0x0c */ +#define MIPSNET_MAX_RXTX_DATACOUNT (1 << 16) + + /* + * Settable from the MIPS core, cleared by the Net Device. + * The core should set the number of bytes it wants to send, + * then it should write those bytes of data to txDataBuffer. + * The device will clear txDataCount has been processed (not + * necessarily sent). + */ + u32 txDataCount; /*0x10 */ + + /* + * Interrupt control + * + * Used to clear the interrupted generated by this dev. + * Write a 1 to clear the interrupt. (except bit31). + * + * Bit0 is set if it was a tx-done interrupt. + * Bit1 is set when new rx-data is available. + * Until this bit is cleared there will be no other RXs. + * + * Bit31 is used for testing, it clears after a read. + * Writing 1 to this bit will cause an interrupt to be generated. + * To clear the test interrupt, write 0 to this register. + */ + u32 interruptControl; /*0x14 */ +#define MIPSNET_INTCTL_TXDONE (1u << 0) +#define MIPSNET_INTCTL_RXDONE (1u << 1) +#define MIPSNET_INTCTL_TESTBIT (1u << 31) + + /* + * Readonly core-specific interrupt info for the device to signal + * the core. The meaning of the contents of this field might change. + */ + /* XXX: the whole memIntf interrupt scheme is messy: the device + * should have no control what so ever of what VPE/register set is + * being used. + * The MemIntf should only expose interrupt lines, and something in + * the config should be responsible for the line<->core/vpe bindings. + */ + u32 interruptInfo; /*0x18 */ + + /* + * This is where the received data is read out. + * There is more data to read until rxDataReady is 0. + * Only 1 byte at this regs offset is used. + */ + u32 rxDataBuffer; /*0x1c */ + + /* + * This is where the data to transmit is written. + * Data should be written for the amount specified in the + * txDataCount register. + * Only 1 byte at this regs offset is used. + */ + u32 txDataBuffer; /*0x20 */ +}; + +#define regaddr(dev, field) \ + (dev->base_addr + offsetof(struct mipsnet_regs, field)) static char mipsnet_string[] = "mipsnet"; @@ -29,32 +109,27 @@ static char mipsnet_string[] = "mipsnet"; static int ioiocpy_frommipsnet(struct net_device *dev, unsigned char *kdata, int len) { - uint32_t available_len = inl(mipsnet_reg_address(dev, rxDataCount)); - - if (available_len < len) - return -EFAULT; - for (; len > 0; len--, kdata++) - *kdata = inb(mipsnet_reg_address(dev, rxDataBuffer)); + *kdata = inb(regaddr(dev, rxDataBuffer)); - return inl(mipsnet_reg_address(dev, rxDataCount)); + return inl(regaddr(dev, rxDataCount)); } -static inline ssize_t mipsnet_put_todevice(struct net_device *dev, +static inline void mipsnet_put_todevice(struct net_device *dev, struct sk_buff *skb) { int count_to_go = skb->len; char *buf_ptr = skb->data; - outl(skb->len, mipsnet_reg_address(dev, txDataCount)); + outl(skb->len, regaddr(dev, txDataCount)); for (; count_to_go; buf_ptr++, count_to_go--) - outb(*buf_ptr, mipsnet_reg_address(dev, txDataBuffer)); + outb(*buf_ptr, regaddr(dev, txDataBuffer)); dev->stats.tx_packets++; dev->stats.tx_bytes += skb->len; - return skb->len; + dev_kfree_skb(skb); } static int mipsnet_xmit(struct sk_buff *skb, struct net_device *dev) @@ -69,18 +144,20 @@ static int mipsnet_xmit(struct sk_buff *skb, struct net_device *dev) return 0; } -static inline ssize_t mipsnet_get_fromdev(struct net_device *dev, size_t count) +static inline ssize_t mipsnet_get_fromdev(struct net_device *dev, size_t len) { struct sk_buff *skb; - size_t len = count; - skb = alloc_skb(len + 2, GFP_KERNEL); + if (!len) + return len; + + skb = dev_alloc_skb(len + NET_IP_ALIGN); if (!skb) { dev->stats.rx_dropped++; return -ENOMEM; } - skb_reserve(skb, 2); + skb_reserve(skb, NET_IP_ALIGN); if (ioiocpy_frommipsnet(dev, skb_put(skb, len), len)) return -EFAULT; @@ -92,50 +169,42 @@ static inline ssize_t mipsnet_get_fromdev(struct net_device *dev, size_t count) dev->stats.rx_packets++; dev->stats.rx_bytes += len; - return count; + return len; } static irqreturn_t mipsnet_interrupt(int irq, void *dev_id) { struct net_device *dev = dev_id; - - irqreturn_t retval = IRQ_NONE; - uint64_t interruptFlags; - - if (irq == dev->irq) { - retval = IRQ_HANDLED; - - interruptFlags = - inl(mipsnet_reg_address(dev, interruptControl)); - - if (interruptFlags & MIPSNET_INTCTL_TXDONE) { - outl(MIPSNET_INTCTL_TXDONE, - mipsnet_reg_address(dev, interruptControl)); - /* only one packet at a time, we are done. */ - netif_wake_queue(dev); - } else if (interruptFlags & MIPSNET_INTCTL_RXDONE) { - mipsnet_get_fromdev(dev, - inl(mipsnet_reg_address(dev, rxDataCount))); - outl(MIPSNET_INTCTL_RXDONE, - mipsnet_reg_address(dev, interruptControl)); - - } else if (interruptFlags & MIPSNET_INTCTL_TESTBIT) { - /* - * TESTBIT is cleared on read. - * And takes effect after a write with 0 - */ - outl(0, mipsnet_reg_address(dev, interruptControl)); - } else { - /* Maybe shared IRQ, just ignore, no clearing. */ - retval = IRQ_NONE; - } - - } else { - printk(KERN_INFO "%s: %s(): irq %d for unknown device\n", - dev->name, __FUNCTION__, irq); - retval = IRQ_NONE; + u32 int_flags; + irqreturn_t ret = IRQ_NONE; + + if (irq != dev->irq) + goto out_badirq; + + /* TESTBIT is cleared on read. */ + int_flags = inl(regaddr(dev, interruptControl)); + if (int_flags & MIPSNET_INTCTL_TESTBIT) { + /* TESTBIT takes effect after a write with 0. */ + outl(0, regaddr(dev, interruptControl)); + ret = IRQ_HANDLED; + } else if (int_flags & MIPSNET_INTCTL_TXDONE) { + /* Only one packet at a time, we are done. */ + dev->stats.tx_packets++; + netif_wake_queue(dev); + outl(MIPSNET_INTCTL_TXDONE, + regaddr(dev, interruptControl)); + ret = IRQ_HANDLED; + } else if (int_flags & MIPSNET_INTCTL_RXDONE) { + mipsnet_get_fromdev(dev, inl(regaddr(dev, rxDataCount))); + outl(MIPSNET_INTCTL_RXDONE, regaddr(dev, interruptControl)); + ret = IRQ_HANDLED; } - return retval; + return ret; + +out_badirq: + printk(KERN_INFO "%s: %s(): irq %d for unknown device\n", + dev->name, __FUNCTION__, irq); + return ret; } static int mipsnet_open(struct net_device *dev) @@ -144,18 +213,15 @@ static int mipsnet_open(struct net_device *dev) err = request_irq(dev->irq, &mipsnet_interrupt, IRQF_SHARED, dev->name, (void *) dev); - if (err) { - release_region(dev->base_addr, MIPSNET_IO_EXTENT); + release_region(dev->base_addr, sizeof(struct mipsnet_regs)); return err; } netif_start_queue(dev); /* test interrupt handler */ - outl(MIPSNET_INTCTL_TESTBIT, - mipsnet_reg_address(dev, interruptControl)); - + outl(MIPSNET_INTCTL_TESTBIT, regaddr(dev, interruptControl)); return 0; } @@ -163,7 +229,7 @@ static int mipsnet_open(struct net_device *dev) static int mipsnet_close(struct net_device *dev) { netif_stop_queue(dev); - + free_irq(dev->irq, dev); return 0; } @@ -194,10 +260,11 @@ static int __init mipsnet_probe(struct device *dev) */ netdev->base_addr = 0x4200; netdev->irq = MIPS_CPU_IRQ_BASE + MIPSCPU_INT_MB0 + - inl(mipsnet_reg_address(netdev, interruptInfo)); + inl(regaddr(netdev, interruptInfo)); /* Get the io region now, get irq on open() */ - if (!request_region(netdev->base_addr, MIPSNET_IO_EXTENT, "mipsnet")) { + if (!request_region(netdev->base_addr, sizeof(struct mipsnet_regs), + "mipsnet")) { err = -EBUSY; goto out_free_netdev; } @@ -217,7 +284,7 @@ static int __init mipsnet_probe(struct device *dev) return 0; out_free_region: - release_region(netdev->base_addr, MIPSNET_IO_EXTENT); + release_region(netdev->base_addr, sizeof(struct mipsnet_regs)); out_free_netdev: free_netdev(netdev); @@ -231,7 +298,7 @@ static int __devexit mipsnet_device_remove(struct device *device) struct net_device *dev = dev_get_drvdata(device); unregister_netdev(dev); - release_region(dev->base_addr, MIPSNET_IO_EXTENT); + release_region(dev->base_addr, sizeof(struct mipsnet_regs)); free_netdev(dev); dev_set_drvdata(device, NULL); diff --git a/drivers/net/mipsnet.h b/drivers/net/mipsnet.h deleted file mode 100644 index 0132c6714a40..000000000000 --- a/drivers/net/mipsnet.h +++ /dev/null @@ -1,112 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#ifndef __MIPSNET_H -#define __MIPSNET_H - -/* - * Id of this Net device, as seen by the core. - */ -#define MIPS_NET_DEV_ID ((uint64_t) \ - ((uint64_t) 'M' << 0)| \ - ((uint64_t) 'I' << 8)| \ - ((uint64_t) 'P' << 16)| \ - ((uint64_t) 'S' << 24)| \ - ((uint64_t) 'N' << 32)| \ - ((uint64_t) 'E' << 40)| \ - ((uint64_t) 'T' << 48)| \ - ((uint64_t) '0' << 56)) - -/* - * Net status/control block as seen by sw in the core. - * (Why not use bit fields? can't be bothered with cross-platform struct - * packing.) - */ -struct net_control_block { - /* - * dev info for probing - * reads as MIPSNET%d where %d is some form of version - */ - uint64_t devId; /* 0x00 */ - - /* - * read only busy flag. - * Set and cleared by the Net Device to indicate that an rx or a tx - * is in progress. - */ - uint32_t busy; /* 0x08 */ - - /* - * Set by the Net Device. - * The device will set it once data has been received. - * The value is the number of bytes that should be read from - * rxDataBuffer. The value will decrease till 0 until all the data - * from rxDataBuffer has been read. - */ - uint32_t rxDataCount; /* 0x0c */ -#define MIPSNET_MAX_RXTX_DATACOUNT (1<<16) - - /* - * Settable from the MIPS core, cleared by the Net Device. The core - * should set the number of bytes it wants to send, then it should - * write those bytes of data to txDataBuffer. The device will clear - * txDataCount has been processed (not necessarily sent). - */ - uint32_t txDataCount; /* 0x10 */ - - /* - * Interrupt control - * - * Used to clear the interrupted generated by this dev. - * Write a 1 to clear the interrupt. (except bit31). - * - * Bit0 is set if it was a tx-done interrupt. - * Bit1 is set when new rx-data is available. - * Until this bit is cleared there will be no other RXs. - * - * Bit31 is used for testing, it clears after a read. - * Writing 1 to this bit will cause an interrupt to be generated. - * To clear the test interrupt, write 0 to this register. - */ - uint32_t interruptControl; /*0x14 */ -#define MIPSNET_INTCTL_TXDONE ((uint32_t)(1 << 0)) -#define MIPSNET_INTCTL_RXDONE ((uint32_t)(1 << 1)) -#define MIPSNET_INTCTL_TESTBIT ((uint32_t)(1 << 31)) -#define MIPSNET_INTCTL_ALLSOURCES (MIPSNET_INTCTL_TXDONE | \ - MIPSNET_INTCTL_RXDONE | \ - MIPSNET_INTCTL_TESTBIT) - - /* - * Readonly core-specific interrupt info for the device to signal the - * core. The meaning of the contents of this field might change. - * - * TODO: the whole memIntf interrupt scheme is messy: the device should - * have no control what so ever of what VPE/register set is being - * used. The MemIntf should only expose interrupt lines, and - * something in the config should be responsible for the - * line<->core/vpe bindings. - */ - uint32_t interruptInfo; /* 0x18 */ - - /* - * This is where the received data is read out. - * There is more data to read until rxDataReady is 0. - * Only 1 byte at this regs offset is used. - */ - uint32_t rxDataBuffer; /* 0x1c */ - - /* - * This is where the data to transmit is written. Data should be - * written for the amount specified in the txDataCount register. Only - * 1 byte at this regs offset is used. - */ - uint32_t txDataBuffer; /* 0x20 */ -}; - -#define MIPSNET_IO_EXTENT 0x40 /* being generous */ - -#define field_offset(field) (offsetof(struct net_control_block, field)) - -#endif /* __MIPSNET_H */ diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c index c329a4f5840c..0a3e60418e53 100644 --- a/drivers/net/natsemi.c +++ b/drivers/net/natsemi.c @@ -203,22 +203,8 @@ skbuff at an offset of "+2", 16-byte aligning the IP header. IIId. Synchronization Most operations are synchronized on the np->lock irq spinlock, except the -performance critical codepaths: - -The rx process only runs in the interrupt handler. Access from outside -the interrupt handler is only permitted after disable_irq(). - -The rx process usually runs under the netif_tx_lock. If np->intr_tx_reap -is set, then access is permitted under spin_lock_irq(&np->lock). - -Thus configuration functions that want to access everything must call - disable_irq(dev->irq); - netif_tx_lock_bh(dev); - spin_lock_irq(&np->lock); - -IV. Notes - -NatSemi PCI network controllers are very uncommon. +recieve and transmit paths which are synchronised using a combination of +hardware descriptor ownership, disabling interrupts and NAPI poll scheduling. IVb. References diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c index bb88a41b7591..2e39e0285d8f 100644 --- a/drivers/net/pasemi_mac.c +++ b/drivers/net/pasemi_mac.c @@ -62,6 +62,10 @@ #define LRO_MAX_AGGR 64 +#define PE_MIN_MTU 64 +#define PE_MAX_MTU 1500 +#define PE_DEF_MTU ETH_DATA_LEN + #define DEFAULT_MSG_ENABLE \ (NETIF_MSG_DRV | \ NETIF_MSG_PROBE | \ @@ -82,8 +86,6 @@ & ((ring)->size - 1)) #define RING_AVAIL(ring) ((ring->size) - RING_USED(ring)) -#define BUF_SIZE 1646 /* 1500 MTU + ETH_HLEN + VLAN_HLEN + 2 64B cachelines */ - MODULE_LICENSE("GPL"); MODULE_AUTHOR ("Olof Johansson <olof@lixom.net>"); MODULE_DESCRIPTION("PA Semi PWRficient Ethernet driver"); @@ -175,6 +177,24 @@ static int mac_to_intf(struct pasemi_mac *mac) return -1; } +static void pasemi_mac_intf_disable(struct pasemi_mac *mac) +{ + unsigned int flags; + + flags = read_mac_reg(mac, PAS_MAC_CFG_PCFG); + flags &= ~PAS_MAC_CFG_PCFG_PE; + write_mac_reg(mac, PAS_MAC_CFG_PCFG, flags); +} + +static void pasemi_mac_intf_enable(struct pasemi_mac *mac) +{ + unsigned int flags; + + flags = read_mac_reg(mac, PAS_MAC_CFG_PCFG); + flags |= PAS_MAC_CFG_PCFG_PE; + write_mac_reg(mac, PAS_MAC_CFG_PCFG, flags); +} + static int pasemi_get_mac_addr(struct pasemi_mac *mac) { struct pci_dev *pdev = mac->pdev; @@ -221,6 +241,33 @@ static int pasemi_get_mac_addr(struct pasemi_mac *mac) return 0; } +static int pasemi_mac_set_mac_addr(struct net_device *dev, void *p) +{ + struct pasemi_mac *mac = netdev_priv(dev); + struct sockaddr *addr = p; + unsigned int adr0, adr1; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EINVAL; + + memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); + + adr0 = dev->dev_addr[2] << 24 | + dev->dev_addr[3] << 16 | + dev->dev_addr[4] << 8 | + dev->dev_addr[5]; + adr1 = read_mac_reg(mac, PAS_MAC_CFG_ADR1); + adr1 &= ~0xffff; + adr1 |= dev->dev_addr[0] << 8 | dev->dev_addr[1]; + + pasemi_mac_intf_disable(mac); + write_mac_reg(mac, PAS_MAC_CFG_ADR0, adr0); + write_mac_reg(mac, PAS_MAC_CFG_ADR1, adr1); + pasemi_mac_intf_enable(mac); + + return 0; +} + static int get_skb_hdr(struct sk_buff *skb, void **iphdr, void **tcph, u64 *hdr_flags, void *data) { @@ -453,7 +500,7 @@ static void pasemi_mac_free_tx_resources(struct pasemi_mac *mac) } -static void pasemi_mac_free_rx_resources(struct pasemi_mac *mac) +static void pasemi_mac_free_rx_buffers(struct pasemi_mac *mac) { struct pasemi_mac_rxring *rx = rx_ring(mac); unsigned int i; @@ -473,7 +520,12 @@ static void pasemi_mac_free_rx_resources(struct pasemi_mac *mac) } for (i = 0; i < RX_RING_SIZE; i++) - RX_DESC(rx, i) = 0; + RX_BUFF(rx, i) = 0; +} + +static void pasemi_mac_free_rx_resources(struct pasemi_mac *mac) +{ + pasemi_mac_free_rx_buffers(mac); dma_free_coherent(&mac->dma_pdev->dev, RX_RING_SIZE * sizeof(u64), rx_ring(mac)->buffers, rx_ring(mac)->buf_dma); @@ -503,14 +555,14 @@ static void pasemi_mac_replenish_rx_ring(const struct net_device *dev, /* Entry in use? */ WARN_ON(*buff); - skb = dev_alloc_skb(BUF_SIZE); + skb = dev_alloc_skb(mac->bufsz); skb_reserve(skb, LOCAL_SKB_ALIGN); if (unlikely(!skb)) break; dma = pci_map_single(mac->dma_pdev, skb->data, - BUF_SIZE - LOCAL_SKB_ALIGN, + mac->bufsz - LOCAL_SKB_ALIGN, PCI_DMA_FROMDEVICE); if (unlikely(dma_mapping_error(dma))) { @@ -520,7 +572,7 @@ static void pasemi_mac_replenish_rx_ring(const struct net_device *dev, info->skb = skb; info->dma = dma; - *buff = XCT_RXB_LEN(BUF_SIZE) | XCT_RXB_ADDR(dma); + *buff = XCT_RXB_LEN(mac->bufsz) | XCT_RXB_ADDR(dma); fill++; } @@ -650,7 +702,7 @@ static int pasemi_mac_clean_rx(struct pasemi_mac_rxring *rx, len = (macrx & XCT_MACRX_LLEN_M) >> XCT_MACRX_LLEN_S; - pci_unmap_single(pdev, dma, BUF_SIZE-LOCAL_SKB_ALIGN, + pci_unmap_single(pdev, dma, mac->bufsz - LOCAL_SKB_ALIGN, PCI_DMA_FROMDEVICE); if (macrx & XCT_MACRX_CRC) { @@ -874,24 +926,6 @@ static irqreturn_t pasemi_mac_tx_intr(int irq, void *data) return IRQ_HANDLED; } -static void pasemi_mac_intf_disable(struct pasemi_mac *mac) -{ - unsigned int flags; - - flags = read_mac_reg(mac, PAS_MAC_CFG_PCFG); - flags &= ~PAS_MAC_CFG_PCFG_PE; - write_mac_reg(mac, PAS_MAC_CFG_PCFG, flags); -} - -static void pasemi_mac_intf_enable(struct pasemi_mac *mac) -{ - unsigned int flags; - - flags = read_mac_reg(mac, PAS_MAC_CFG_PCFG); - flags |= PAS_MAC_CFG_PCFG_PE; - write_mac_reg(mac, PAS_MAC_CFG_PCFG, flags); -} - static void pasemi_adjust_link(struct net_device *dev) { struct pasemi_mac *mac = netdev_priv(dev); @@ -1148,11 +1182,71 @@ out_rx_resources: #define MAX_RETRIES 5000 +static void pasemi_mac_pause_txchan(struct pasemi_mac *mac) +{ + unsigned int sta, retries; + int txch = tx_ring(mac)->chan.chno; + + write_dma_reg(PAS_DMA_TXCHAN_TCMDSTA(txch), + PAS_DMA_TXCHAN_TCMDSTA_ST); + + for (retries = 0; retries < MAX_RETRIES; retries++) { + sta = read_dma_reg(PAS_DMA_TXCHAN_TCMDSTA(txch)); + if (!(sta & PAS_DMA_TXCHAN_TCMDSTA_ACT)) + break; + cond_resched(); + } + + if (sta & PAS_DMA_TXCHAN_TCMDSTA_ACT) + dev_err(&mac->dma_pdev->dev, + "Failed to stop tx channel, tcmdsta %08x\n", sta); + + write_dma_reg(PAS_DMA_TXCHAN_TCMDSTA(txch), 0); +} + +static void pasemi_mac_pause_rxchan(struct pasemi_mac *mac) +{ + unsigned int sta, retries; + int rxch = rx_ring(mac)->chan.chno; + + write_dma_reg(PAS_DMA_RXCHAN_CCMDSTA(rxch), + PAS_DMA_RXCHAN_CCMDSTA_ST); + for (retries = 0; retries < MAX_RETRIES; retries++) { + sta = read_dma_reg(PAS_DMA_RXCHAN_CCMDSTA(rxch)); + if (!(sta & PAS_DMA_RXCHAN_CCMDSTA_ACT)) + break; + cond_resched(); + } + + if (sta & PAS_DMA_RXCHAN_CCMDSTA_ACT) + dev_err(&mac->dma_pdev->dev, + "Failed to stop rx channel, ccmdsta 08%x\n", sta); + write_dma_reg(PAS_DMA_RXCHAN_CCMDSTA(rxch), 0); +} + +static void pasemi_mac_pause_rxint(struct pasemi_mac *mac) +{ + unsigned int sta, retries; + + write_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if), + PAS_DMA_RXINT_RCMDSTA_ST); + for (retries = 0; retries < MAX_RETRIES; retries++) { + sta = read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if)); + if (!(sta & PAS_DMA_RXINT_RCMDSTA_ACT)) + break; + cond_resched(); + } + + if (sta & PAS_DMA_RXINT_RCMDSTA_ACT) + dev_err(&mac->dma_pdev->dev, + "Failed to stop rx interface, rcmdsta %08x\n", sta); + write_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if), 0); +} + static int pasemi_mac_close(struct net_device *dev) { struct pasemi_mac *mac = netdev_priv(dev); unsigned int sta; - int retries; int rxch, txch; rxch = rx_ring(mac)->chan.chno; @@ -1190,51 +1284,10 @@ static int pasemi_mac_close(struct net_device *dev) pasemi_mac_clean_tx(tx_ring(mac)); pasemi_mac_clean_rx(rx_ring(mac), RX_RING_SIZE); - /* Disable interface */ - write_dma_reg(PAS_DMA_TXCHAN_TCMDSTA(txch), - PAS_DMA_TXCHAN_TCMDSTA_ST); - write_dma_reg( PAS_DMA_RXINT_RCMDSTA(mac->dma_if), - PAS_DMA_RXINT_RCMDSTA_ST); - write_dma_reg(PAS_DMA_RXCHAN_CCMDSTA(rxch), - PAS_DMA_RXCHAN_CCMDSTA_ST); - - for (retries = 0; retries < MAX_RETRIES; retries++) { - sta = read_dma_reg(PAS_DMA_TXCHAN_TCMDSTA(rxch)); - if (!(sta & PAS_DMA_TXCHAN_TCMDSTA_ACT)) - break; - cond_resched(); - } - - if (sta & PAS_DMA_TXCHAN_TCMDSTA_ACT) - dev_err(&mac->dma_pdev->dev, "Failed to stop tx channel\n"); - - for (retries = 0; retries < MAX_RETRIES; retries++) { - sta = read_dma_reg(PAS_DMA_RXCHAN_CCMDSTA(rxch)); - if (!(sta & PAS_DMA_RXCHAN_CCMDSTA_ACT)) - break; - cond_resched(); - } - - if (sta & PAS_DMA_RXCHAN_CCMDSTA_ACT) - dev_err(&mac->dma_pdev->dev, "Failed to stop rx channel\n"); - - for (retries = 0; retries < MAX_RETRIES; retries++) { - sta = read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if)); - if (!(sta & PAS_DMA_RXINT_RCMDSTA_ACT)) - break; - cond_resched(); - } - - if (sta & PAS_DMA_RXINT_RCMDSTA_ACT) - dev_err(&mac->dma_pdev->dev, "Failed to stop rx interface\n"); - - /* Then, disable the channel. This must be done separately from - * stopping, since you can't disable when active. - */ - - write_dma_reg(PAS_DMA_TXCHAN_TCMDSTA(txch), 0); - write_dma_reg(PAS_DMA_RXCHAN_CCMDSTA(rxch), 0); - write_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if), 0); + pasemi_mac_pause_txchan(mac); + pasemi_mac_pause_rxint(mac); + pasemi_mac_pause_rxchan(mac); + pasemi_mac_intf_disable(mac); free_irq(mac->tx->chan.irq, mac->tx); free_irq(mac->rx->chan.irq, mac->rx); @@ -1388,6 +1441,62 @@ static int pasemi_mac_poll(struct napi_struct *napi, int budget) return pkts; } +static int pasemi_mac_change_mtu(struct net_device *dev, int new_mtu) +{ + struct pasemi_mac *mac = netdev_priv(dev); + unsigned int reg; + unsigned int rcmdsta; + int running; + + if (new_mtu < PE_MIN_MTU || new_mtu > PE_MAX_MTU) + return -EINVAL; + + running = netif_running(dev); + + if (running) { + /* Need to stop the interface, clean out all already + * received buffers, free all unused buffers on the RX + * interface ring, then finally re-fill the rx ring with + * the new-size buffers and restart. + */ + + napi_disable(&mac->napi); + netif_tx_disable(dev); + pasemi_mac_intf_disable(mac); + + rcmdsta = read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if)); + pasemi_mac_pause_rxint(mac); + pasemi_mac_clean_rx(rx_ring(mac), RX_RING_SIZE); + pasemi_mac_free_rx_buffers(mac); + } + + /* Change maxf, i.e. what size frames are accepted. + * Need room for ethernet header and CRC word + */ + reg = read_mac_reg(mac, PAS_MAC_CFG_MACCFG); + reg &= ~PAS_MAC_CFG_MACCFG_MAXF_M; + reg |= PAS_MAC_CFG_MACCFG_MAXF(new_mtu + ETH_HLEN + 4); + write_mac_reg(mac, PAS_MAC_CFG_MACCFG, reg); + + dev->mtu = new_mtu; + /* MTU + ETH_HLEN + VLAN_HLEN + 2 64B cachelines */ + mac->bufsz = new_mtu + ETH_HLEN + ETH_FCS_LEN + LOCAL_SKB_ALIGN + 128; + + if (running) { + write_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if), + rcmdsta | PAS_DMA_RXINT_RCMDSTA_EN); + + rx_ring(mac)->next_to_fill = 0; + pasemi_mac_replenish_rx_ring(dev, RX_RING_SIZE-1); + + napi_enable(&mac->napi); + netif_start_queue(dev); + pasemi_mac_intf_enable(mac); + } + + return 0; +} + static int __devinit pasemi_mac_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { @@ -1475,6 +1584,12 @@ pasemi_mac_probe(struct pci_dev *pdev, const struct pci_device_id *ent) dev->stop = pasemi_mac_close; dev->hard_start_xmit = pasemi_mac_start_tx; dev->set_multicast_list = pasemi_mac_set_rx_mode; + dev->set_mac_address = pasemi_mac_set_mac_addr; + dev->mtu = PE_DEF_MTU; + /* 1500 MTU + ETH_HLEN + VLAN_HLEN + 2 64B cachelines */ + mac->bufsz = dev->mtu + ETH_HLEN + ETH_FCS_LEN + LOCAL_SKB_ALIGN + 128; + + dev->change_mtu = pasemi_mac_change_mtu; if (err) goto out; diff --git a/drivers/net/pasemi_mac.h b/drivers/net/pasemi_mac.h index 8bee2a664c83..99e7b9329a6f 100644 --- a/drivers/net/pasemi_mac.h +++ b/drivers/net/pasemi_mac.h @@ -59,6 +59,7 @@ struct pasemi_mac { struct phy_device *phydev; struct napi_struct napi; + int bufsz; /* RX ring buffer size */ u8 type; #define MAC_TYPE_GMAC 1 #define MAC_TYPE_XAUI 2 @@ -96,6 +97,9 @@ struct pasemi_mac_buffer { /* MAC CFG register offsets */ enum { PAS_MAC_CFG_PCFG = 0x80, + PAS_MAC_CFG_MACCFG = 0x84, + PAS_MAC_CFG_ADR0 = 0x8c, + PAS_MAC_CFG_ADR1 = 0x90, PAS_MAC_CFG_TXP = 0x98, PAS_MAC_IPC_CHNL = 0x208, }; @@ -130,6 +134,18 @@ enum { #define PAS_MAC_CFG_PCFG_SPD_100M 0x00000001 #define PAS_MAC_CFG_PCFG_SPD_1G 0x00000002 #define PAS_MAC_CFG_PCFG_SPD_10G 0x00000003 + +#define PAS_MAC_CFG_MACCFG_TXT_M 0x70000000 +#define PAS_MAC_CFG_MACCFG_TXT_S 28 +#define PAS_MAC_CFG_MACCFG_PRES_M 0x0f000000 +#define PAS_MAC_CFG_MACCFG_PRES_S 24 +#define PAS_MAC_CFG_MACCFG_MAXF_M 0x00ffff00 +#define PAS_MAC_CFG_MACCFG_MAXF_S 8 +#define PAS_MAC_CFG_MACCFG_MAXF(x) (((x) << PAS_MAC_CFG_MACCFG_MAXF_S) & \ + PAS_MAC_CFG_MACCFG_MAXF_M) +#define PAS_MAC_CFG_MACCFG_MINF_M 0x000000ff +#define PAS_MAC_CFG_MACCFG_MINF_S 0 + #define PAS_MAC_CFG_TXP_FCF 0x01000000 #define PAS_MAC_CFG_TXP_FCE 0x00800000 #define PAS_MAC_CFG_TXP_FC 0x00400000 diff --git a/drivers/net/pci-skeleton.c b/drivers/net/pci-skeleton.c index ed402e00e730..fffc49befe04 100644 --- a/drivers/net/pci-skeleton.c +++ b/drivers/net/pci-skeleton.c @@ -541,7 +541,7 @@ static void netdrv_hw_start (struct net_device *dev); #define NETDRV_W32_F(reg, val32) do { writel ((val32), ioaddr + (reg)); readl (ioaddr + (reg)); } while (0) -#if MMIO_FLUSH_AUDIT_COMPLETE +#ifdef MMIO_FLUSH_AUDIT_COMPLETE /* write MMIO register */ #define NETDRV_W8(reg, val8) writeb ((val8), ioaddr + (reg)) @@ -603,7 +603,7 @@ static int __devinit netdrv_init_board (struct pci_dev *pdev, return -ENOMEM; } SET_NETDEV_DEV(dev, &pdev->dev); - tp = dev->priv; + tp = netdev_priv(dev); /* enable device (incl. PCI PM wakeup), and bus-mastering */ rc = pci_enable_device (pdev); @@ -759,7 +759,7 @@ static int __devinit netdrv_init_one (struct pci_dev *pdev, return i; } - tp = dev->priv; + tp = netdev_priv(dev); assert (ioaddr != NULL); assert (dev != NULL); @@ -783,7 +783,7 @@ static int __devinit netdrv_init_one (struct pci_dev *pdev, dev->base_addr = (unsigned long) ioaddr; /* dev->priv/tp zeroed and aligned in alloc_etherdev */ - tp = dev->priv; + tp = netdev_priv(dev); /* note: tp->chipset set in netdrv_init_board */ tp->drv_flags = PCI_COMMAND_IO | PCI_COMMAND_MEMORY | @@ -841,7 +841,7 @@ static void __devexit netdrv_remove_one (struct pci_dev *pdev) assert (dev != NULL); - np = dev->priv; + np = netdev_priv(dev); assert (np != NULL); unregister_netdev (dev); @@ -974,7 +974,7 @@ static void mdio_sync (void *mdio_addr) static int mdio_read (struct net_device *dev, int phy_id, int location) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); void *mdio_addr = tp->mmio_addr + Config4; int mii_cmd = (0xf6 << 10) | (phy_id << 5) | location; int retval = 0; @@ -1017,7 +1017,7 @@ static int mdio_read (struct net_device *dev, int phy_id, int location) static void mdio_write (struct net_device *dev, int phy_id, int location, int value) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); void *mdio_addr = tp->mmio_addr + Config4; int mii_cmd = (0x5002 << 16) | (phy_id << 23) | (location << 18) | value; @@ -1060,7 +1060,7 @@ static void mdio_write (struct net_device *dev, int phy_id, int location, static int netdrv_open (struct net_device *dev) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); int retval; #ifdef NETDRV_DEBUG void *ioaddr = tp->mmio_addr; @@ -1121,7 +1121,7 @@ static int netdrv_open (struct net_device *dev) /* Start the hardware at open or resume. */ static void netdrv_hw_start (struct net_device *dev) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); void *ioaddr = tp->mmio_addr; u32 i; @@ -1191,7 +1191,7 @@ static void netdrv_hw_start (struct net_device *dev) /* Initialize the Rx and Tx rings, along with various 'dev' bits. */ static void netdrv_init_ring (struct net_device *dev) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); int i; DPRINTK ("ENTER\n"); @@ -1213,7 +1213,7 @@ static void netdrv_init_ring (struct net_device *dev) static void netdrv_timer (unsigned long data) { struct net_device *dev = (struct net_device *) data; - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); void *ioaddr = tp->mmio_addr; int next_tick = 60 * HZ; int mii_lpa; @@ -1252,9 +1252,10 @@ static void netdrv_timer (unsigned long data) } -static void netdrv_tx_clear (struct netdrv_private *tp) +static void netdrv_tx_clear (struct net_device *dev) { int i; + struct netdrv_private *tp = netdev_priv(dev); atomic_set (&tp->cur_tx, 0); atomic_set (&tp->dirty_tx, 0); @@ -1278,7 +1279,7 @@ static void netdrv_tx_clear (struct netdrv_private *tp) static void netdrv_tx_timeout (struct net_device *dev) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); void *ioaddr = tp->mmio_addr; int i; u8 tmp8; @@ -1311,7 +1312,7 @@ static void netdrv_tx_timeout (struct net_device *dev) /* Stop a shared interrupt from scavenging while we are. */ spin_lock_irqsave (&tp->lock, flags); - netdrv_tx_clear (tp); + netdrv_tx_clear (dev); spin_unlock_irqrestore (&tp->lock, flags); @@ -1325,7 +1326,7 @@ static void netdrv_tx_timeout (struct net_device *dev) static int netdrv_start_xmit (struct sk_buff *skb, struct net_device *dev) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); void *ioaddr = tp->mmio_addr; int entry; @@ -1525,7 +1526,7 @@ static void netdrv_rx_interrupt (struct net_device *dev, DPRINTK ("%s: netdrv_rx() status %4.4x, size %4.4x," " cur %4.4x.\n", dev->name, rx_status, rx_size, cur_rx); -#if NETDRV_DEBUG > 2 +#if defined(NETDRV_DEBUG) && (NETDRV_DEBUG > 2) { int i; DPRINTK ("%s: Frame contents ", dev->name); @@ -1648,7 +1649,7 @@ static void netdrv_weird_interrupt (struct net_device *dev, static irqreturn_t netdrv_interrupt (int irq, void *dev_instance) { struct net_device *dev = (struct net_device *) dev_instance; - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); int boguscnt = max_interrupt_work; void *ioaddr = tp->mmio_addr; int status = 0, link_changed = 0; /* avoid bogus "uninit" warning */ @@ -1711,7 +1712,7 @@ static irqreturn_t netdrv_interrupt (int irq, void *dev_instance) static int netdrv_close (struct net_device *dev) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); void *ioaddr = tp->mmio_addr; unsigned long flags; @@ -1738,10 +1739,10 @@ static int netdrv_close (struct net_device *dev) spin_unlock_irqrestore (&tp->lock, flags); - synchronize_irq (); + synchronize_irq (dev->irq); free_irq (dev->irq, dev); - netdrv_tx_clear (tp); + netdrv_tx_clear (dev); pci_free_consistent(tp->pci_dev, RX_BUF_TOT_LEN, tp->rx_ring, tp->rx_ring_dma); @@ -1762,7 +1763,7 @@ static int netdrv_close (struct net_device *dev) static int netdrv_ioctl (struct net_device *dev, struct ifreq *rq, int cmd) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); struct mii_ioctl_data *data = if_mii(rq); unsigned long flags; int rc = 0; @@ -1805,7 +1806,7 @@ static int netdrv_ioctl (struct net_device *dev, struct ifreq *rq, int cmd) static void netdrv_set_rx_mode (struct net_device *dev) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); void *ioaddr = tp->mmio_addr; u32 mc_filter[2]; /* Multicast hash filter */ int i, rx_mode; @@ -1862,7 +1863,7 @@ static void netdrv_set_rx_mode (struct net_device *dev) static int netdrv_suspend (struct pci_dev *pdev, pm_message_t state) { struct net_device *dev = pci_get_drvdata (pdev); - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); void *ioaddr = tp->mmio_addr; unsigned long flags; @@ -1892,7 +1893,7 @@ static int netdrv_suspend (struct pci_dev *pdev, pm_message_t state) static int netdrv_resume (struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata (pdev); - struct netdrv_private *tp = dev->priv; + /*struct netdrv_private *tp = netdev_priv(dev);*/ if (!netif_running(dev)) return 0; diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 7fe03ce774b1..f4ca0591231d 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -60,6 +60,11 @@ config ICPLUS_PHY ---help--- Currently supports the IP175C PHY. +config REALTEK_PHY + tristate "Drivers for Realtek PHYs" + ---help--- + Supports the Realtek 821x PHY. + config FIXED_PHY bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs" ---help--- diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index 3d6cc7b67a80..5997d6ef702b 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -12,5 +12,6 @@ obj-$(CONFIG_SMSC_PHY) += smsc.o obj-$(CONFIG_VITESSE_PHY) += vitesse.o obj-$(CONFIG_BROADCOM_PHY) += broadcom.o obj-$(CONFIG_ICPLUS_PHY) += icplus.o +obj-$(CONFIG_REALTEK_PHY) += realtek.o obj-$(CONFIG_FIXED_PHY) += fixed.o obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c index 29666c85ed55..5b80358af658 100644 --- a/drivers/net/phy/broadcom.c +++ b/drivers/net/phy/broadcom.c @@ -141,6 +141,20 @@ static struct phy_driver bcm5461_driver = { .driver = { .owner = THIS_MODULE }, }; +static struct phy_driver bcm5482_driver = { + .phy_id = 0x0143bcb0, + .phy_id_mask = 0xfffffff0, + .name = "Broadcom BCM5482", + .features = PHY_GBIT_FEATURES, + .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, + .config_init = bcm54xx_config_init, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .ack_interrupt = bcm54xx_ack_interrupt, + .config_intr = bcm54xx_config_intr, + .driver = { .owner = THIS_MODULE }, +}; + static int __init broadcom_init(void) { int ret; @@ -154,8 +168,13 @@ static int __init broadcom_init(void) ret = phy_driver_register(&bcm5461_driver); if (ret) goto out_5461; + ret = phy_driver_register(&bcm5482_driver); + if (ret) + goto out_5482; return ret; +out_5482: + phy_driver_unregister(&bcm5461_driver); out_5461: phy_driver_unregister(&bcm5421_driver); out_5421: @@ -166,6 +185,7 @@ out_5411: static void __exit broadcom_exit(void) { + phy_driver_unregister(&bcm5482_driver); phy_driver_unregister(&bcm5461_driver); phy_driver_unregister(&bcm5421_driver); phy_driver_unregister(&bcm5411_driver); diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index c30196d0ad16..6e9f619c491f 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -49,7 +49,7 @@ int mdiobus_register(struct mii_bus *bus) int i; int err = 0; - spin_lock_init(&bus->mdio_lock); + mutex_init(&bus->mdio_lock); if (NULL == bus || NULL == bus->name || NULL == bus->read || diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 7c9e6e349503..12fccb1c76dc 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -26,7 +26,6 @@ #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/skbuff.h> -#include <linux/spinlock.h> #include <linux/mm.h> #include <linux/module.h> #include <linux/mii.h> @@ -72,9 +71,11 @@ int phy_read(struct phy_device *phydev, u16 regnum) int retval; struct mii_bus *bus = phydev->bus; - spin_lock_bh(&bus->mdio_lock); + BUG_ON(in_interrupt()); + + mutex_lock(&bus->mdio_lock); retval = bus->read(bus, phydev->addr, regnum); - spin_unlock_bh(&bus->mdio_lock); + mutex_unlock(&bus->mdio_lock); return retval; } @@ -95,9 +96,11 @@ int phy_write(struct phy_device *phydev, u16 regnum, u16 val) int err; struct mii_bus *bus = phydev->bus; - spin_lock_bh(&bus->mdio_lock); + BUG_ON(in_interrupt()); + + mutex_lock(&bus->mdio_lock); err = bus->write(bus, phydev->addr, regnum, val); - spin_unlock_bh(&bus->mdio_lock); + mutex_unlock(&bus->mdio_lock); return err; } @@ -428,7 +431,7 @@ int phy_start_aneg(struct phy_device *phydev) { int err; - spin_lock_bh(&phydev->lock); + mutex_lock(&phydev->lock); if (AUTONEG_DISABLE == phydev->autoneg) phy_sanitize_settings(phydev); @@ -449,13 +452,14 @@ int phy_start_aneg(struct phy_device *phydev) } out_unlock: - spin_unlock_bh(&phydev->lock); + mutex_unlock(&phydev->lock); return err; } EXPORT_SYMBOL(phy_start_aneg); static void phy_change(struct work_struct *work); +static void phy_state_machine(struct work_struct *work); static void phy_timer(unsigned long data); /** @@ -476,6 +480,7 @@ void phy_start_machine(struct phy_device *phydev, { phydev->adjust_state = handler; + INIT_WORK(&phydev->state_queue, phy_state_machine); init_timer(&phydev->phy_timer); phydev->phy_timer.function = &phy_timer; phydev->phy_timer.data = (unsigned long) phydev; @@ -493,11 +498,12 @@ void phy_start_machine(struct phy_device *phydev, void phy_stop_machine(struct phy_device *phydev) { del_timer_sync(&phydev->phy_timer); + cancel_work_sync(&phydev->state_queue); - spin_lock_bh(&phydev->lock); + mutex_lock(&phydev->lock); if (phydev->state > PHY_UP) phydev->state = PHY_UP; - spin_unlock_bh(&phydev->lock); + mutex_unlock(&phydev->lock); phydev->adjust_state = NULL; } @@ -541,9 +547,9 @@ static void phy_force_reduction(struct phy_device *phydev) */ void phy_error(struct phy_device *phydev) { - spin_lock_bh(&phydev->lock); + mutex_lock(&phydev->lock); phydev->state = PHY_HALTED; - spin_unlock_bh(&phydev->lock); + mutex_unlock(&phydev->lock); } /** @@ -705,10 +711,10 @@ static void phy_change(struct work_struct *work) if (err) goto phy_err; - spin_lock_bh(&phydev->lock); + mutex_lock(&phydev->lock); if ((PHY_RUNNING == phydev->state) || (PHY_NOLINK == phydev->state)) phydev->state = PHY_CHANGELINK; - spin_unlock_bh(&phydev->lock); + mutex_unlock(&phydev->lock); atomic_dec(&phydev->irq_disable); enable_irq(phydev->irq); @@ -735,7 +741,7 @@ phy_err: */ void phy_stop(struct phy_device *phydev) { - spin_lock_bh(&phydev->lock); + mutex_lock(&phydev->lock); if (PHY_HALTED == phydev->state) goto out_unlock; @@ -751,7 +757,7 @@ void phy_stop(struct phy_device *phydev) phydev->state = PHY_HALTED; out_unlock: - spin_unlock_bh(&phydev->lock); + mutex_unlock(&phydev->lock); /* * Cannot call flush_scheduled_work() here as desired because @@ -773,7 +779,7 @@ out_unlock: */ void phy_start(struct phy_device *phydev) { - spin_lock_bh(&phydev->lock); + mutex_lock(&phydev->lock); switch (phydev->state) { case PHY_STARTING: @@ -787,19 +793,26 @@ void phy_start(struct phy_device *phydev) default: break; } - spin_unlock_bh(&phydev->lock); + mutex_unlock(&phydev->lock); } EXPORT_SYMBOL(phy_stop); EXPORT_SYMBOL(phy_start); -/* PHY timer which handles the state machine */ -static void phy_timer(unsigned long data) +/** + * phy_state_machine - Handle the state machine + * @work: work_struct that describes the work to be done + * + * Description: Scheduled by the state_queue workqueue each time + * phy_timer is triggered. + */ +static void phy_state_machine(struct work_struct *work) { - struct phy_device *phydev = (struct phy_device *)data; + struct phy_device *phydev = + container_of(work, struct phy_device, state_queue); int needs_aneg = 0; int err = 0; - spin_lock_bh(&phydev->lock); + mutex_lock(&phydev->lock); if (phydev->adjust_state) phydev->adjust_state(phydev->attached_dev); @@ -965,7 +978,7 @@ static void phy_timer(unsigned long data) break; } - spin_unlock_bh(&phydev->lock); + mutex_unlock(&phydev->lock); if (needs_aneg) err = phy_start_aneg(phydev); @@ -976,3 +989,14 @@ static void phy_timer(unsigned long data) mod_timer(&phydev->phy_timer, jiffies + PHY_STATE_TIME * HZ); } +/* PHY timer which schedules the state machine work */ +static void phy_timer(unsigned long data) +{ + struct phy_device *phydev = (struct phy_device *)data; + + /* + * PHY I/O operations can potentially sleep so we ensure that + * it's done from a process context + */ + schedule_work(&phydev->state_queue); +} diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 5b9e1751e1b4..f4c4fd85425f 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -25,7 +25,6 @@ #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/skbuff.h> -#include <linux/spinlock.h> #include <linux/mm.h> #include <linux/module.h> #include <linux/mii.h> @@ -80,7 +79,7 @@ struct phy_device* phy_device_create(struct mii_bus *bus, int addr, int phy_id) dev->state = PHY_DOWN; - spin_lock_init(&dev->lock); + mutex_init(&dev->lock); return dev; } @@ -656,7 +655,7 @@ static int phy_probe(struct device *dev) if (!(phydrv->flags & PHY_HAS_INTERRUPT)) phydev->irq = PHY_POLL; - spin_lock_bh(&phydev->lock); + mutex_lock(&phydev->lock); /* Start out supporting everything. Eventually, * a controller will attach, and may modify one @@ -670,7 +669,7 @@ static int phy_probe(struct device *dev) if (phydev->drv->probe) err = phydev->drv->probe(phydev); - spin_unlock_bh(&phydev->lock); + mutex_unlock(&phydev->lock); return err; @@ -682,9 +681,9 @@ static int phy_remove(struct device *dev) phydev = to_phy_device(dev); - spin_lock_bh(&phydev->lock); + mutex_lock(&phydev->lock); phydev->state = PHY_DOWN; - spin_unlock_bh(&phydev->lock); + mutex_unlock(&phydev->lock); if (phydev->drv->remove) phydev->drv->remove(phydev); diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c new file mode 100644 index 000000000000..a052a6744a51 --- /dev/null +++ b/drivers/net/phy/realtek.c @@ -0,0 +1,80 @@ +/* + * drivers/net/phy/realtek.c + * + * Driver for Realtek PHYs + * + * Author: Johnson Leung <r58129@freescale.com> + * + * Copyright (c) 2004 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ +#include <linux/phy.h> + +#define RTL821x_PHYSR 0x11 +#define RTL821x_PHYSR_DUPLEX 0x2000 +#define RTL821x_PHYSR_SPEED 0xc000 +#define RTL821x_INER 0x12 +#define RTL821x_INER_INIT 0x6400 +#define RTL821x_INSR 0x13 + +MODULE_DESCRIPTION("Realtek PHY driver"); +MODULE_AUTHOR("Johnson Leung"); +MODULE_LICENSE("GPL"); + +static int rtl821x_ack_interrupt(struct phy_device *phydev) +{ + int err; + + err = phy_read(phydev, RTL821x_INSR); + + return (err < 0) ? err : 0; +} + +static int rtl821x_config_intr(struct phy_device *phydev) +{ + int err; + + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + err = phy_write(phydev, RTL821x_INER, + RTL821x_INER_INIT); + else + err = phy_write(phydev, RTL821x_INER, 0); + + return err; +} + +/* RTL8211B */ +static struct phy_driver rtl821x_driver = { + .phy_id = 0x001cc912, + .name = "RTL821x Gigabit Ethernet", + .phy_id_mask = 0x001fffff, + .features = PHY_GBIT_FEATURES, + .flags = PHY_HAS_INTERRUPT, + .config_aneg = &genphy_config_aneg, + .read_status = &genphy_read_status, + .ack_interrupt = &rtl821x_ack_interrupt, + .config_intr = &rtl821x_config_intr, + .driver = { .owner = THIS_MODULE,}, +}; + +static int __init realtek_init(void) +{ + int ret; + + ret = phy_driver_register(&rtl821x_driver); + + return ret; +} + +static void __exit realtek_exit(void) +{ + phy_driver_unregister(&rtl821x_driver); +} + +module_init(realtek_init); +module_exit(realtek_exit); diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 5fab7d7b5d74..6179a0a2032c 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -8118,7 +8118,7 @@ static void initiate_new_session(struct lro *lro, u8 *l2h, lro->iph = ip; lro->tcph = tcp; lro->tcp_next_seq = tcp_pyld_len + ntohl(tcp->seq); - lro->tcp_ack = ntohl(tcp->ack_seq); + lro->tcp_ack = tcp->ack_seq; lro->sg_num = 1; lro->total_len = ntohs(ip->tot_len); lro->frags_len = 0; @@ -8127,10 +8127,10 @@ static void initiate_new_session(struct lro *lro, u8 *l2h, * already been done. */ if (tcp->doff == 8) { - u32 *ptr; - ptr = (u32 *)(tcp+1); + __be32 *ptr; + ptr = (__be32 *)(tcp+1); lro->saw_ts = 1; - lro->cur_tsval = *(ptr+1); + lro->cur_tsval = ntohl(*(ptr+1)); lro->cur_tsecr = *(ptr+2); } lro->in_use = 1; @@ -8156,7 +8156,7 @@ static void update_L3L4_header(struct s2io_nic *sp, struct lro *lro) /* Update tsecr field if this session has timestamps enabled */ if (lro->saw_ts) { - u32 *ptr = (u32 *)(tcp + 1); + __be32 *ptr = (__be32 *)(tcp + 1); *(ptr+2) = lro->cur_tsecr; } @@ -8181,10 +8181,10 @@ static void aggregate_new_rx(struct lro *lro, struct iphdr *ip, lro->window = tcp->window; if (lro->saw_ts) { - u32 *ptr; + __be32 *ptr; /* Update tsecr and tsval from this packet */ - ptr = (u32 *) (tcp + 1); - lro->cur_tsval = *(ptr + 1); + ptr = (__be32 *)(tcp+1); + lro->cur_tsval = ntohl(*(ptr+1)); lro->cur_tsecr = *(ptr + 2); } } @@ -8235,11 +8235,11 @@ static int verify_l3_l4_lro_capable(struct lro *l_lro, struct iphdr *ip, /* Ensure timestamp value increases monotonically */ if (l_lro) - if (l_lro->cur_tsval > *((u32 *)(ptr+2))) + if (l_lro->cur_tsval > ntohl(*((__be32 *)(ptr+2)))) return -1; /* timestamp echo reply should be non-zero */ - if (*((u32 *)(ptr+6)) == 0) + if (*((__be32 *)(ptr+6)) == 0) return -1; } diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h index 9f6016c6f135..64b88eb48287 100644 --- a/drivers/net/s2io.h +++ b/drivers/net/s2io.h @@ -809,7 +809,7 @@ struct lro { int in_use; __be16 window; u32 cur_tsval; - u32 cur_tsecr; + __be32 cur_tsecr; u8 saw_ts; }; diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c index b570402f7fed..2e9e88be7b33 100644 --- a/drivers/net/sis190.c +++ b/drivers/net/sis190.c @@ -326,7 +326,7 @@ static const struct { { "SiS 191 PCI Gigabit Ethernet adapter" }, }; -static struct pci_device_id sis190_pci_tbl[] __devinitdata = { +static struct pci_device_id sis190_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0190), 0, 0, 0 }, { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0191), 0, 0, 1 }, { 0, }, diff --git a/drivers/net/skfp/ess.c b/drivers/net/skfp/ess.c index 62b01328c496..889f98724610 100644 --- a/drivers/net/skfp/ess.c +++ b/drivers/net/skfp/ess.c @@ -598,7 +598,7 @@ static void ess_send_alc_req(struct s_smc *smc) req->cmd.sba_cmd = REQUEST_ALLOCATION ; /* - * set the parameter type and parameter lenght of all used + * set the parameter type and parameter length of all used * parameters */ diff --git a/drivers/net/skfp/fplustm.c b/drivers/net/skfp/fplustm.c index a45205da8033..76dc8adc9441 100644 --- a/drivers/net/skfp/fplustm.c +++ b/drivers/net/skfp/fplustm.c @@ -398,7 +398,7 @@ static void copy_tx_mac(struct s_smc *smc, u_long td, struct fddi_mac *mac, /* u_long td; transmit descriptor */ /* struct fddi_mac *mac; mac frame pointer */ /* unsigned off; start address within buffer memory */ -/* int len ; lenght of the frame including the FC */ +/* int len ; length of the frame including the FC */ { int i ; u_int *p ; diff --git a/drivers/net/skfp/hwmtm.c b/drivers/net/skfp/hwmtm.c index 8a430a366547..46e339315656 100644 --- a/drivers/net/skfp/hwmtm.c +++ b/drivers/net/skfp/hwmtm.c @@ -1185,7 +1185,7 @@ void process_receive(struct s_smc *smc) DB_RX("frame length = %d",len,0,4) ; /* - * check the frame_lenght and all error flags + * check the frame_length and all error flags */ if (rfsw & (RX_MSRABT|RX_FS_E|RX_FS_CRC|RX_FS_IMPL)){ if (rfsw & RD_S_MSRABT) { diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 626190eb91e7..dc062367a1c8 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -623,6 +623,7 @@ static void sky2_phy_power(struct sky2_hw *hw, unsigned port, int onoff) static const u32 phy_power[] = { PCI_Y2_PHY1_POWD, PCI_Y2_PHY2_POWD }; static const u32 coma_mode[] = { PCI_Y2_PHY1_COMA, PCI_Y2_PHY2_COMA }; + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); reg1 = sky2_pci_read32(hw, PCI_DEV_REG1); /* Turn on/off phy power saving */ if (onoff) @@ -634,7 +635,8 @@ static void sky2_phy_power(struct sky2_hw *hw, unsigned port, int onoff) reg1 |= coma_mode[port]; sky2_pci_write32(hw, PCI_DEV_REG1, reg1); - reg1 = sky2_pci_read32(hw, PCI_DEV_REG1); + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); + sky2_pci_read32(hw, PCI_DEV_REG1); udelay(100); } @@ -1422,6 +1424,7 @@ static int sky2_up(struct net_device *dev) imask |= portirq_msk[port]; sky2_write32(hw, B0_IMSK, imask); + sky2_set_multicast(dev); return 0; err_out: @@ -2436,6 +2439,7 @@ static void sky2_hw_intr(struct sky2_hw *hw) if (status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) { u16 pci_err; + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); pci_err = sky2_pci_read16(hw, PCI_STATUS); if (net_ratelimit()) dev_err(&pdev->dev, "PCI hardware error (0x%x)\n", @@ -2443,12 +2447,14 @@ static void sky2_hw_intr(struct sky2_hw *hw) sky2_pci_write16(hw, PCI_STATUS, pci_err | PCI_STATUS_ERROR_BITS); + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); } if (status & Y2_IS_PCI_EXP) { /* PCI-Express uncorrectable Error occurred */ u32 err; + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); err = sky2_read32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS); sky2_write32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS, 0xfffffffful); @@ -2456,6 +2462,7 @@ static void sky2_hw_intr(struct sky2_hw *hw) dev_err(&pdev->dev, "PCI Express error (0x%x)\n", err); sky2_read32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS); + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); } if (status & Y2_HWE_L1_MASK) @@ -2831,6 +2838,7 @@ static void sky2_reset(struct sky2_hw *hw) } sky2_power_on(hw); + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); for (i = 0; i < hw->ports; i++) { sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_SET); @@ -3554,8 +3562,6 @@ static int sky2_set_ringparam(struct net_device *dev, err = sky2_up(dev); if (err) dev_close(dev); - else - sky2_set_multicast(dev); } return err; @@ -4389,8 +4395,6 @@ static int sky2_resume(struct pci_dev *pdev) dev_close(dev); goto out; } - - sky2_set_multicast(dev); } } diff --git a/drivers/net/sunbmac.c b/drivers/net/sunbmac.c index fe3ac6f9ae89..0e4a88d16327 100644 --- a/drivers/net/sunbmac.c +++ b/drivers/net/sunbmac.c @@ -1075,7 +1075,7 @@ static const struct ethtool_ops bigmac_ethtool_ops = { .get_link = bigmac_get_link, }; -static int __init bigmac_ether_init(struct sbus_dev *qec_sdev) +static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev) { struct net_device *dev; static int version_printed; diff --git a/drivers/net/sunqe.c b/drivers/net/sunqe.c index ff23c6489efd..e811331d4608 100644 --- a/drivers/net/sunqe.c +++ b/drivers/net/sunqe.c @@ -747,7 +747,7 @@ static inline void qec_init_once(struct sunqec *qecp, struct sbus_dev *qsdev) qecp->gregs + GLOB_RSIZE); } -static u8 __init qec_get_burst(struct device_node *dp) +static u8 __devinit qec_get_burst(struct device_node *dp) { u8 bsizes, bsizes_more; @@ -767,7 +767,7 @@ static u8 __init qec_get_burst(struct device_node *dp) return bsizes; } -static struct sunqec * __init get_qec(struct sbus_dev *child_sdev) +static struct sunqec * __devinit get_qec(struct sbus_dev *child_sdev) { struct sbus_dev *qec_sdev = child_sdev->parent; struct sunqec *qecp; @@ -823,7 +823,7 @@ fail: return NULL; } -static int __init qec_ether_init(struct sbus_dev *sdev) +static int __devinit qec_ether_init(struct sbus_dev *sdev) { static unsigned version_printed; struct net_device *dev; diff --git a/drivers/net/sunvnet.c b/drivers/net/sunvnet.c index 4a0035f7a842..6415ce15c2ef 100644 --- a/drivers/net/sunvnet.c +++ b/drivers/net/sunvnet.c @@ -1130,7 +1130,7 @@ static struct vio_driver_ops vnet_vio_ops = { .handshake_complete = vnet_handshake_complete, }; -static void print_version(void) +static void __devinit print_version(void) { static int version_printed; diff --git a/drivers/net/tokenring/abyss.c b/drivers/net/tokenring/abyss.c index 124cfd4fbcf4..7a7de0469eae 100644 --- a/drivers/net/tokenring/abyss.c +++ b/drivers/net/tokenring/abyss.c @@ -10,7 +10,7 @@ * - Madge Smart 16/4 PCI Mk2 * * Maintainer(s): - * AF Adam Fritzler mid@auk.cx + * AF Adam Fritzler * * Modification History: * 30-Dec-99 AF Split off from the tms380tr driver. diff --git a/drivers/net/tokenring/abyss.h b/drivers/net/tokenring/abyss.h index 0ee6e4f085b1..b0a473b89133 100644 --- a/drivers/net/tokenring/abyss.h +++ b/drivers/net/tokenring/abyss.h @@ -2,7 +2,7 @@ * abyss.h: Header for the abyss tms380tr module * * Authors: - * - Adam Fritzler <mid@auk.cx> + * - Adam Fritzler */ #ifndef __LINUX_MADGETR_H diff --git a/drivers/net/tokenring/madgemc.c b/drivers/net/tokenring/madgemc.c index 5a4151362fc0..c9c5a2b1ed9e 100644 --- a/drivers/net/tokenring/madgemc.c +++ b/drivers/net/tokenring/madgemc.c @@ -11,7 +11,7 @@ * - Madge Smart 16/4 Ringnode MC32 (??) * * Maintainer(s): - * AF Adam Fritzler mid@auk.cx + * AF Adam Fritzler * * Modification History: * 16-Jan-00 AF Created diff --git a/drivers/net/tokenring/madgemc.h b/drivers/net/tokenring/madgemc.h index 2dd822203809..fe88e272c531 100644 --- a/drivers/net/tokenring/madgemc.h +++ b/drivers/net/tokenring/madgemc.h @@ -2,7 +2,7 @@ * madgemc.h: Header for the madgemc tms380tr module * * Authors: - * - Adam Fritzler <mid@auk.cx> + * - Adam Fritzler */ #ifndef __LINUX_MADGEMC_H diff --git a/drivers/net/tokenring/olympic.c b/drivers/net/tokenring/olympic.c index e7b4adc5c4e7..433c994ea9d8 100644 --- a/drivers/net/tokenring/olympic.c +++ b/drivers/net/tokenring/olympic.c @@ -434,7 +434,7 @@ static int __devinit olympic_init(struct net_device *dev) } -static int olympic_open(struct net_device *dev) +static int __devinit olympic_open(struct net_device *dev) { struct olympic_private *olympic_priv=netdev_priv(dev); u8 __iomem *olympic_mmio=olympic_priv->olympic_mmio,*init_srb; diff --git a/drivers/net/tokenring/proteon.c b/drivers/net/tokenring/proteon.c index ca6b65919b3d..00ea94513460 100644 --- a/drivers/net/tokenring/proteon.c +++ b/drivers/net/tokenring/proteon.c @@ -12,7 +12,7 @@ * - Proteon 1392, 1392+ * * Maintainer(s): - * AF Adam Fritzler mid@auk.cx + * AF Adam Fritzler * JF Jochen Friedrich jochen@scram.de * * Modification History: diff --git a/drivers/net/tokenring/skisa.c b/drivers/net/tokenring/skisa.c index 32e8d5a9f958..41b6999a0f33 100644 --- a/drivers/net/tokenring/skisa.c +++ b/drivers/net/tokenring/skisa.c @@ -13,7 +13,7 @@ * - SysKonnect TR4/16(+) ISA (SK-4190) * * Maintainer(s): - * AF Adam Fritzler mid@auk.cx + * AF Adam Fritzler * JF Jochen Friedrich jochen@scram.de * * Modification History: diff --git a/drivers/net/tokenring/tms380tr.c b/drivers/net/tokenring/tms380tr.c index d5fa36d36515..d07c4523c847 100644 --- a/drivers/net/tokenring/tms380tr.c +++ b/drivers/net/tokenring/tms380tr.c @@ -30,7 +30,7 @@ * Maintainer(s): * JS Jay Schulist jschlst@samba.org * CG Christoph Goos cgoos@syskonnect.de - * AF Adam Fritzler mid@auk.cx + * AF Adam Fritzler * MLP Mike Phillips phillim@amtrak.com * JF Jochen Friedrich jochen@scram.de * diff --git a/drivers/net/tokenring/tms380tr.h b/drivers/net/tokenring/tms380tr.h index 7daf74e31ccd..7af76d708849 100644 --- a/drivers/net/tokenring/tms380tr.h +++ b/drivers/net/tokenring/tms380tr.h @@ -3,7 +3,7 @@ * * Authors: * - Christoph Goos <cgoos@syskonnect.de> - * - Adam Fritzler <mid@auk.cx> + * - Adam Fritzler */ #ifndef __LINUX_TMS380TR_H diff --git a/drivers/net/tokenring/tmspci.c b/drivers/net/tokenring/tmspci.c index 1c18f782f522..5f0ee880cfff 100644 --- a/drivers/net/tokenring/tmspci.c +++ b/drivers/net/tokenring/tmspci.c @@ -14,7 +14,7 @@ * - 3Com 3C339 Token Link Velocity * * Maintainer(s): - * AF Adam Fritzler mid@auk.cx + * AF Adam Fritzler * * Modification History: * 30-Dec-99 AF Split off from the tms380tr driver. diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index 4ffd8739f8b7..fba0811d2608 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -2084,8 +2084,10 @@ static void ucc_geth_memclean(struct ucc_geth_private *ugeth) if (!ugeth) return; - if (ugeth->uccf) + if (ugeth->uccf) { ucc_fast_free(ugeth->uccf); + ugeth->uccf = NULL; + } if (ugeth->p_thread_data_tx) { qe_muram_free(ugeth->thread_dat_tx_offset); @@ -2305,10 +2307,6 @@ static int ucc_struct_init(struct ucc_geth_private *ugeth) ug_info = ugeth->ug_info; uf_info = &ug_info->uf_info; - /* Create CQs for hash tables */ - INIT_LIST_HEAD(&ugeth->group_hash_q); - INIT_LIST_HEAD(&ugeth->ind_hash_q); - if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) || (uf_info->bd_mem_part == MEM_PART_MURAM))) { if (netif_msg_probe(ugeth)) @@ -3668,6 +3666,23 @@ static irqreturn_t ucc_geth_irq_handler(int irq, void *info) return IRQ_HANDLED; } +#ifdef CONFIG_NET_POLL_CONTROLLER +/* + * Polling 'interrupt' - used by things like netconsole to send skbs + * without having to re-enable interrupts. It's not called while + * the interrupt routine is executing. + */ +static void ucc_netpoll(struct net_device *dev) +{ + struct ucc_geth_private *ugeth = netdev_priv(dev); + int irq = ugeth->ug_info->uf_info.irq; + + disable_irq(irq); + ucc_geth_irq_handler(irq, dev); + enable_irq(irq); +} +#endif /* CONFIG_NET_POLL_CONTROLLER */ + /* Called when something needs to use the ethernet device */ /* Returns 0 for success. */ static int ucc_geth_open(struct net_device *dev) @@ -3990,6 +4005,10 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma ugeth = netdev_priv(dev); spin_lock_init(&ugeth->lock); + /* Create CQs for hash tables */ + INIT_LIST_HEAD(&ugeth->group_hash_q); + INIT_LIST_HEAD(&ugeth->ind_hash_q); + dev_set_drvdata(device, dev); /* Set the dev->base_addr to the gfar reg region */ @@ -4006,6 +4025,9 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma #ifdef CONFIG_UGETH_NAPI netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, UCC_GETH_DEV_WEIGHT); #endif /* CONFIG_UGETH_NAPI */ +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = ucc_netpoll; +#endif dev->stop = ucc_geth_close; // dev->change_mtu = ucc_geth_change_mtu; dev->mtu = 1500; @@ -4040,9 +4062,10 @@ static int ucc_geth_remove(struct of_device* ofdev) struct net_device *dev = dev_get_drvdata(device); struct ucc_geth_private *ugeth = netdev_priv(dev); - dev_set_drvdata(device, NULL); - ucc_geth_memclean(ugeth); + unregister_netdev(dev); free_netdev(dev); + ucc_geth_memclean(ugeth); + dev_set_drvdata(device, NULL); return 0; } diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c index 33cbc306226c..7e1f00131f91 100644 --- a/drivers/net/usb/rtl8150.c +++ b/drivers/net/usb/rtl8150.c @@ -926,7 +926,6 @@ static int rtl8150_probe(struct usb_interface *intf, netdev->set_multicast_list = rtl8150_set_multicast; netdev->set_mac_address = rtl8150_set_mac_address; netdev->get_stats = rtl8150_netdev_stats; - netdev->mtu = RTL8150_MTU; SET_ETHTOOL_OPS(netdev, &ops); dev->intr_interval = 100; /* 100ms */ diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c index 87c180b563d3..7c851b1e6daa 100644 --- a/drivers/net/via-rhine.c +++ b/drivers/net/via-rhine.c @@ -606,7 +606,7 @@ static int rhine_napipoll(struct napi_struct *napi, int budget) } #endif -static void rhine_hw_init(struct net_device *dev, long pioaddr) +static void __devinit rhine_hw_init(struct net_device *dev, long pioaddr) { struct rhine_private *rp = netdev_priv(dev); diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c index 35cd65d6b9ed..8c9fb824cbd4 100644 --- a/drivers/net/via-velocity.c +++ b/drivers/net/via-velocity.c @@ -8,7 +8,6 @@ * for 64bit hardware platforms. * * TODO - * Big-endian support * rx_copybreak/alignment * Scatter gather * More testing @@ -681,7 +680,7 @@ static void velocity_rx_reset(struct velocity_info *vptr) * Init state, all RD entries belong to the NIC */ for (i = 0; i < vptr->options.numrx; ++i) - vptr->rd_ring[i].rdesc0.owner = OWNED_BY_NIC; + vptr->rd_ring[i].rdesc0.len |= OWNED_BY_NIC; writew(vptr->options.numrx, ®s->RBRDU); writel(vptr->rd_pool_dma, ®s->RDBaseLo); @@ -777,7 +776,7 @@ static void velocity_init_registers(struct velocity_info *vptr, vptr->int_mask = INT_MASK_DEF; - writel(cpu_to_le32(vptr->rd_pool_dma), ®s->RDBaseLo); + writel(vptr->rd_pool_dma, ®s->RDBaseLo); writew(vptr->options.numrx - 1, ®s->RDCSize); mac_rx_queue_run(regs); mac_rx_queue_wake(regs); @@ -785,7 +784,7 @@ static void velocity_init_registers(struct velocity_info *vptr, writew(vptr->options.numtx - 1, ®s->TDCSize); for (i = 0; i < vptr->num_txq; i++) { - writel(cpu_to_le32(vptr->td_pool_dma[i]), &(regs->TDBaseLo[i])); + writel(vptr->td_pool_dma[i], ®s->TDBaseLo[i]); mac_tx_queue_run(regs, i); } @@ -1195,7 +1194,7 @@ static inline void velocity_give_many_rx_descs(struct velocity_info *vptr) dirty = vptr->rd_dirty - unusable; for (avail = vptr->rd_filled & 0xfffc; avail; avail--) { dirty = (dirty > 0) ? dirty - 1 : vptr->options.numrx - 1; - vptr->rd_ring[dirty].rdesc0.owner = OWNED_BY_NIC; + vptr->rd_ring[dirty].rdesc0.len |= OWNED_BY_NIC; } writew(vptr->rd_filled & 0xfffc, ®s->RBRDU); @@ -1210,7 +1209,7 @@ static int velocity_rx_refill(struct velocity_info *vptr) struct rx_desc *rd = vptr->rd_ring + dirty; /* Fine for an all zero Rx desc at init time as well */ - if (rd->rdesc0.owner == OWNED_BY_NIC) + if (rd->rdesc0.len & OWNED_BY_NIC) break; if (!vptr->rd_info[dirty].skb) { @@ -1413,7 +1412,7 @@ static int velocity_rx_srv(struct velocity_info *vptr, int status) if (!vptr->rd_info[rd_curr].skb) break; - if (rd->rdesc0.owner == OWNED_BY_NIC) + if (rd->rdesc0.len & OWNED_BY_NIC) break; rmb(); @@ -1421,7 +1420,7 @@ static int velocity_rx_srv(struct velocity_info *vptr, int status) /* * Don't drop CE or RL error frame although RXOK is off */ - if ((rd->rdesc0.RSR & RSR_RXOK) || (!(rd->rdesc0.RSR & RSR_RXOK) && (rd->rdesc0.RSR & (RSR_CE | RSR_RL)))) { + if (rd->rdesc0.RSR & (RSR_RXOK | RSR_CE | RSR_RL)) { if (velocity_receive_frame(vptr, rd_curr) < 0) stats->rx_dropped++; } else { @@ -1433,7 +1432,7 @@ static int velocity_rx_srv(struct velocity_info *vptr, int status) stats->rx_dropped++; } - rd->inten = 1; + rd->size |= RX_INTEN; vptr->dev->last_rx = jiffies; @@ -1554,7 +1553,7 @@ static int velocity_receive_frame(struct velocity_info *vptr, int idx) struct net_device_stats *stats = &vptr->stats; struct velocity_rd_info *rd_info = &(vptr->rd_info[idx]); struct rx_desc *rd = &(vptr->rd_ring[idx]); - int pkt_len = rd->rdesc0.len; + int pkt_len = le16_to_cpu(rd->rdesc0.len) & 0x3fff; struct sk_buff *skb; if (rd->rdesc0.RSR & (RSR_STP | RSR_EDP)) { @@ -1637,8 +1636,7 @@ static int velocity_alloc_rx_buf(struct velocity_info *vptr, int idx) */ *((u32 *) & (rd->rdesc0)) = 0; - rd->len = cpu_to_le32(vptr->rx_buf_sz); - rd->inten = 1; + rd->size = cpu_to_le16(vptr->rx_buf_sz) | RX_INTEN; rd->pa_low = cpu_to_le32(rd_info->skb_dma); rd->pa_high = 0; return 0; @@ -1674,7 +1672,7 @@ static int velocity_tx_srv(struct velocity_info *vptr, u32 status) td = &(vptr->td_rings[qnum][idx]); tdinfo = &(vptr->td_infos[qnum][idx]); - if (td->tdesc0.owner == OWNED_BY_NIC) + if (td->tdesc0.len & OWNED_BY_NIC) break; if ((works++ > 15)) @@ -1874,7 +1872,7 @@ static void velocity_free_tx_buf(struct velocity_info *vptr, struct velocity_td_ for (i = 0; i < tdinfo->nskb_dma; i++) { #ifdef VELOCITY_ZERO_COPY_SUPPORT - pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], td->tdesc1.len, PCI_DMA_TODEVICE); + pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], le16_to_cpu(td->tdesc1.len), PCI_DMA_TODEVICE); #else pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], skb->len, PCI_DMA_TODEVICE); #endif @@ -2067,8 +2065,8 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) struct velocity_td_info *tdinfo; unsigned long flags; int index; - int pktlen = skb->len; + __le16 len = cpu_to_le16(pktlen); #ifdef VELOCITY_ZERO_COPY_SUPPORT if (skb_shinfo(skb)->nr_frags > 6 && __skb_linearize(skb)) { @@ -2083,9 +2081,8 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) td_ptr = &(vptr->td_rings[qnum][index]); tdinfo = &(vptr->td_infos[qnum][index]); - td_ptr->tdesc1.TCPLS = TCPLS_NORMAL; td_ptr->tdesc1.TCR = TCR0_TIC; - td_ptr->td_buf[0].queue = 0; + td_ptr->td_buf[0].size &= ~TD_QUEUE; /* * Pad short frames. @@ -2093,16 +2090,16 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) if (pktlen < ETH_ZLEN) { /* Cannot occur until ZC support */ pktlen = ETH_ZLEN; + len = cpu_to_le16(ETH_ZLEN); skb_copy_from_linear_data(skb, tdinfo->buf, skb->len); memset(tdinfo->buf + skb->len, 0, ETH_ZLEN - skb->len); tdinfo->skb = skb; tdinfo->skb_dma[0] = tdinfo->buf_dma; - td_ptr->tdesc0.pktsize = pktlen; + td_ptr->tdesc0.len = len; td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]); td_ptr->td_buf[0].pa_high = 0; - td_ptr->td_buf[0].bufsize = td_ptr->tdesc0.pktsize; + td_ptr->td_buf[0].size = len; /* queue is 0 anyway */ tdinfo->nskb_dma = 1; - td_ptr->tdesc1.CMDZ = 2; } else #ifdef VELOCITY_ZERO_COPY_SUPPORT if (skb_shinfo(skb)->nr_frags > 0) { @@ -2111,36 +2108,35 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) if (nfrags > 6) { skb_copy_from_linear_data(skb, tdinfo->buf, skb->len); tdinfo->skb_dma[0] = tdinfo->buf_dma; - td_ptr->tdesc0.pktsize = + td_ptr->tdesc0.len = len; td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]); td_ptr->td_buf[0].pa_high = 0; - td_ptr->td_buf[0].bufsize = td_ptr->tdesc0.pktsize; + td_ptr->td_buf[0].size = len; /* queue is 0 anyway */ tdinfo->nskb_dma = 1; - td_ptr->tdesc1.CMDZ = 2; } else { int i = 0; tdinfo->nskb_dma = 0; - tdinfo->skb_dma[i] = pci_map_single(vptr->pdev, skb->data, skb->len - skb->data_len, PCI_DMA_TODEVICE); + tdinfo->skb_dma[i] = pci_map_single(vptr->pdev, skb->data, + skb_headlen(skb), PCI_DMA_TODEVICE); - td_ptr->tdesc0.pktsize = pktlen; + td_ptr->tdesc0.len = len; /* FIXME: support 48bit DMA later */ td_ptr->td_buf[i].pa_low = cpu_to_le32(tdinfo->skb_dma); td_ptr->td_buf[i].pa_high = 0; - td_ptr->td_buf[i].bufsize = skb->len->skb->data_len; + td_ptr->td_buf[i].size = cpu_to_le16(skb_headlen(skb)); for (i = 0; i < nfrags; i++) { skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; - void *addr = ((void *) page_address(frag->page + frag->page_offset)); + void *addr = (void *)page_address(frag->page) + frag->page_offset; tdinfo->skb_dma[i + 1] = pci_map_single(vptr->pdev, addr, frag->size, PCI_DMA_TODEVICE); td_ptr->td_buf[i + 1].pa_low = cpu_to_le32(tdinfo->skb_dma[i + 1]); td_ptr->td_buf[i + 1].pa_high = 0; - td_ptr->td_buf[i + 1].bufsize = frag->size; + td_ptr->td_buf[i + 1].size = cpu_to_le16(frag->size); } tdinfo->nskb_dma = i - 1; - td_ptr->tdesc1.CMDZ = i; } } else @@ -2152,18 +2148,16 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) */ tdinfo->skb = skb; tdinfo->skb_dma[0] = pci_map_single(vptr->pdev, skb->data, pktlen, PCI_DMA_TODEVICE); - td_ptr->tdesc0.pktsize = pktlen; + td_ptr->tdesc0.len = len; td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]); td_ptr->td_buf[0].pa_high = 0; - td_ptr->td_buf[0].bufsize = td_ptr->tdesc0.pktsize; + td_ptr->td_buf[0].size = len; tdinfo->nskb_dma = 1; - td_ptr->tdesc1.CMDZ = 2; } + td_ptr->tdesc1.cmd = TCPLS_NORMAL + (tdinfo->nskb_dma + 1) * 16; if (vptr->vlgrp && vlan_tx_tag_present(skb)) { - td_ptr->tdesc1.pqinf.VID = vlan_tx_tag_get(skb); - td_ptr->tdesc1.pqinf.priority = 0; - td_ptr->tdesc1.pqinf.CFI = 0; + td_ptr->tdesc1.vlan = cpu_to_le16(vlan_tx_tag_get(skb)); td_ptr->tdesc1.TCR |= TCR0_VETAG; } @@ -2185,7 +2179,7 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) if (prev < 0) prev = vptr->options.numtx - 1; - td_ptr->tdesc0.owner = OWNED_BY_NIC; + td_ptr->tdesc0.len |= OWNED_BY_NIC; vptr->td_used[qnum]++; vptr->td_curr[qnum] = (index + 1) % vptr->options.numtx; @@ -2193,7 +2187,7 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) netif_stop_queue(dev); td_ptr = &(vptr->td_rings[qnum][prev]); - td_ptr->td_buf[0].queue = 1; + td_ptr->td_buf[0].size |= TD_QUEUE; mac_tx_queue_wake(vptr->mac_regs, qnum); } dev->trans_start = jiffies; @@ -3410,7 +3404,7 @@ static int velocity_suspend(struct pci_dev *pdev, pm_message_t state) velocity_save_context(vptr, &vptr->context); velocity_shutdown(vptr); velocity_set_wol(vptr); - pci_enable_wake(pdev, 3, 1); + pci_enable_wake(pdev, PCI_D3hot, 1); pci_set_power_state(pdev, PCI_D3hot); } else { velocity_save_context(vptr, &vptr->context); diff --git a/drivers/net/via-velocity.h b/drivers/net/via-velocity.h index aa9179623d90..7387be4f428d 100644 --- a/drivers/net/via-velocity.h +++ b/drivers/net/via-velocity.h @@ -70,40 +70,27 @@ * Bits in the RSR0 register */ -#define RSR_DETAG 0x0080 -#define RSR_SNTAG 0x0040 -#define RSR_RXER 0x0020 -#define RSR_RL 0x0010 -#define RSR_CE 0x0008 -#define RSR_FAE 0x0004 -#define RSR_CRC 0x0002 -#define RSR_VIDM 0x0001 +#define RSR_DETAG cpu_to_le16(0x0080) +#define RSR_SNTAG cpu_to_le16(0x0040) +#define RSR_RXER cpu_to_le16(0x0020) +#define RSR_RL cpu_to_le16(0x0010) +#define RSR_CE cpu_to_le16(0x0008) +#define RSR_FAE cpu_to_le16(0x0004) +#define RSR_CRC cpu_to_le16(0x0002) +#define RSR_VIDM cpu_to_le16(0x0001) /* * Bits in the RSR1 register */ -#define RSR_RXOK 0x8000 // rx OK -#define RSR_PFT 0x4000 // Perfect filtering address match -#define RSR_MAR 0x2000 // MAC accept multicast address packet -#define RSR_BAR 0x1000 // MAC accept broadcast address packet -#define RSR_PHY 0x0800 // MAC accept physical address packet -#define RSR_VTAG 0x0400 // 802.1p/1q tagging packet indicator -#define RSR_STP 0x0200 // start of packet -#define RSR_EDP 0x0100 // end of packet - -/* - * Bits in the RSR1 register - */ - -#define RSR1_RXOK 0x80 // rx OK -#define RSR1_PFT 0x40 // Perfect filtering address match -#define RSR1_MAR 0x20 // MAC accept multicast address packet -#define RSR1_BAR 0x10 // MAC accept broadcast address packet -#define RSR1_PHY 0x08 // MAC accept physical address packet -#define RSR1_VTAG 0x04 // 802.1p/1q tagging packet indicator -#define RSR1_STP 0x02 // start of packet -#define RSR1_EDP 0x01 // end of packet +#define RSR_RXOK cpu_to_le16(0x8000) // rx OK +#define RSR_PFT cpu_to_le16(0x4000) // Perfect filtering address match +#define RSR_MAR cpu_to_le16(0x2000) // MAC accept multicast address packet +#define RSR_BAR cpu_to_le16(0x1000) // MAC accept broadcast address packet +#define RSR_PHY cpu_to_le16(0x0800) // MAC accept physical address packet +#define RSR_VTAG cpu_to_le16(0x0400) // 802.1p/1q tagging packet indicator +#define RSR_STP cpu_to_le16(0x0200) // start of packet +#define RSR_EDP cpu_to_le16(0x0100) // end of packet /* * Bits in the CSM register @@ -120,33 +107,21 @@ * Bits in the TSR0 register */ -#define TSR0_ABT 0x0080 // Tx abort because of excessive collision -#define TSR0_OWT 0x0040 // Jumbo frame Tx abort -#define TSR0_OWC 0x0020 // Out of window collision -#define TSR0_COLS 0x0010 // experience collision in this transmit event -#define TSR0_NCR3 0x0008 // collision retry counter[3] -#define TSR0_NCR2 0x0004 // collision retry counter[2] -#define TSR0_NCR1 0x0002 // collision retry counter[1] -#define TSR0_NCR0 0x0001 // collision retry counter[0] -#define TSR0_TERR 0x8000 // -#define TSR0_FDX 0x4000 // current transaction is serviced by full duplex mode -#define TSR0_GMII 0x2000 // current transaction is serviced by GMII mode -#define TSR0_LNKFL 0x1000 // packet serviced during link down -#define TSR0_SHDN 0x0400 // shutdown case -#define TSR0_CRS 0x0200 // carrier sense lost -#define TSR0_CDH 0x0100 // AQE test fail (CD heartbeat) - -/* - * Bits in the TSR1 register - */ - -#define TSR1_TERR 0x80 // -#define TSR1_FDX 0x40 // current transaction is serviced by full duplex mode -#define TSR1_GMII 0x20 // current transaction is serviced by GMII mode -#define TSR1_LNKFL 0x10 // packet serviced during link down -#define TSR1_SHDN 0x04 // shutdown case -#define TSR1_CRS 0x02 // carrier sense lost -#define TSR1_CDH 0x01 // AQE test fail (CD heartbeat) +#define TSR0_ABT cpu_to_le16(0x0080) // Tx abort because of excessive collision +#define TSR0_OWT cpu_to_le16(0x0040) // Jumbo frame Tx abort +#define TSR0_OWC cpu_to_le16(0x0020) // Out of window collision +#define TSR0_COLS cpu_to_le16(0x0010) // experience collision in this transmit event +#define TSR0_NCR3 cpu_to_le16(0x0008) // collision retry counter[3] +#define TSR0_NCR2 cpu_to_le16(0x0004) // collision retry counter[2] +#define TSR0_NCR1 cpu_to_le16(0x0002) // collision retry counter[1] +#define TSR0_NCR0 cpu_to_le16(0x0001) // collision retry counter[0] +#define TSR0_TERR cpu_to_le16(0x8000) // +#define TSR0_FDX cpu_to_le16(0x4000) // current transaction is serviced by full duplex mode +#define TSR0_GMII cpu_to_le16(0x2000) // current transaction is serviced by GMII mode +#define TSR0_LNKFL cpu_to_le16(0x1000) // packet serviced during link down +#define TSR0_SHDN cpu_to_le16(0x0400) // shutdown case +#define TSR0_CRS cpu_to_le16(0x0200) // carrier sense lost +#define TSR0_CDH cpu_to_le16(0x0100) // AQE test fail (CD heartbeat) // // Bits in the TCR0 register @@ -197,25 +172,26 @@ */ struct rdesc0 { - u16 RSR; /* Receive status */ - u16 len:14; /* Received packet length */ - u16 reserved:1; - u16 owner:1; /* Who owns this buffer ? */ + __le16 RSR; /* Receive status */ + __le16 len; /* bits 0--13; bit 15 - owner */ }; struct rdesc1 { - u16 PQTAG; + __le16 PQTAG; u8 CSM; u8 IPKT; }; +enum { + RX_INTEN = __constant_cpu_to_le16(0x8000) +}; + struct rx_desc { struct rdesc0 rdesc0; struct rdesc1 rdesc1; - u32 pa_low; /* Low 32 bit PCI address */ - u16 pa_high; /* Next 16 bit PCI address (48 total) */ - u16 len:15; /* Frame size */ - u16 inten:1; /* Enable interrupt */ + __le32 pa_low; /* Low 32 bit PCI address */ + __le16 pa_high; /* Next 16 bit PCI address (48 total) */ + __le16 size; /* bits 0--14 - frame size, bit 15 - enable int. */ } __attribute__ ((__packed__)); /* @@ -223,32 +199,24 @@ struct rx_desc { */ struct tdesc0 { - u16 TSR; /* Transmit status register */ - u16 pktsize:14; /* Size of frame */ - u16 reserved:1; - u16 owner:1; /* Who owns the buffer */ + __le16 TSR; /* Transmit status register */ + __le16 len; /* bits 0--13 - size of frame, bit 15 - owner */ }; -struct pqinf { /* Priority queue info */ - u16 VID:12; - u16 CFI:1; - u16 priority:3; -} __attribute__ ((__packed__)); - struct tdesc1 { - struct pqinf pqinf; + __le16 vlan; u8 TCR; - u8 TCPLS:2; - u8 reserved:2; - u8 CMDZ:4; + u8 cmd; /* bits 0--1 - TCPLS, bits 4--7 - CMDZ */ } __attribute__ ((__packed__)); +enum { + TD_QUEUE = __constant_cpu_to_le16(0x8000) +}; + struct td_buf { - u32 pa_low; - u16 pa_high; - u16 bufsize:14; - u16 reserved:1; - u16 queue:1; + __le32 pa_low; + __le16 pa_high; + __le16 size; /* bits 0--13 - size, bit 15 - queue */ } __attribute__ ((__packed__)); struct tx_desc { @@ -276,7 +244,7 @@ struct velocity_td_info { enum velocity_owner { OWNED_BY_HOST = 0, - OWNED_BY_NIC = 1 + OWNED_BY_NIC = __constant_cpu_to_le16(0x8000) }; @@ -1012,45 +980,45 @@ struct mac_regs { volatile u8 RCR; volatile u8 TCR; - volatile u32 CR0Set; /* 0x08 */ - volatile u32 CR0Clr; /* 0x0C */ + volatile __le32 CR0Set; /* 0x08 */ + volatile __le32 CR0Clr; /* 0x0C */ volatile u8 MARCAM[8]; /* 0x10 */ - volatile u32 DecBaseHi; /* 0x18 */ - volatile u16 DbfBaseHi; /* 0x1C */ - volatile u16 reserved_1E; + volatile __le32 DecBaseHi; /* 0x18 */ + volatile __le16 DbfBaseHi; /* 0x1C */ + volatile __le16 reserved_1E; - volatile u16 ISRCTL; /* 0x20 */ + volatile __le16 ISRCTL; /* 0x20 */ volatile u8 TXESR; volatile u8 RXESR; - volatile u32 ISR; /* 0x24 */ - volatile u32 IMR; + volatile __le32 ISR; /* 0x24 */ + volatile __le32 IMR; - volatile u32 TDStatusPort; /* 0x2C */ + volatile __le32 TDStatusPort; /* 0x2C */ - volatile u16 TDCSRSet; /* 0x30 */ + volatile __le16 TDCSRSet; /* 0x30 */ volatile u8 RDCSRSet; volatile u8 reserved_33; - volatile u16 TDCSRClr; + volatile __le16 TDCSRClr; volatile u8 RDCSRClr; volatile u8 reserved_37; - volatile u32 RDBaseLo; /* 0x38 */ - volatile u16 RDIdx; /* 0x3C */ - volatile u16 reserved_3E; + volatile __le32 RDBaseLo; /* 0x38 */ + volatile __le16 RDIdx; /* 0x3C */ + volatile __le16 reserved_3E; - volatile u32 TDBaseLo[4]; /* 0x40 */ + volatile __le32 TDBaseLo[4]; /* 0x40 */ - volatile u16 RDCSize; /* 0x50 */ - volatile u16 TDCSize; /* 0x52 */ - volatile u16 TDIdx[4]; /* 0x54 */ - volatile u16 tx_pause_timer; /* 0x5C */ - volatile u16 RBRDU; /* 0x5E */ + volatile __le16 RDCSize; /* 0x50 */ + volatile __le16 TDCSize; /* 0x52 */ + volatile __le16 TDIdx[4]; /* 0x54 */ + volatile __le16 tx_pause_timer; /* 0x5C */ + volatile __le16 RBRDU; /* 0x5E */ - volatile u32 FIFOTest0; /* 0x60 */ - volatile u32 FIFOTest1; /* 0x64 */ + volatile __le32 FIFOTest0; /* 0x60 */ + volatile __le32 FIFOTest1; /* 0x64 */ volatile u8 CAMADDR; /* 0x68 */ volatile u8 CAMCR; /* 0x69 */ @@ -1063,18 +1031,18 @@ struct mac_regs { volatile u8 PHYSR1; volatile u8 MIICR; volatile u8 MIIADR; - volatile u16 MIIDATA; + volatile __le16 MIIDATA; - volatile u16 SoftTimer0; /* 0x74 */ - volatile u16 SoftTimer1; + volatile __le16 SoftTimer0; /* 0x74 */ + volatile __le16 SoftTimer1; volatile u8 CFGA; /* 0x78 */ volatile u8 CFGB; volatile u8 CFGC; volatile u8 CFGD; - volatile u16 DCFG; /* 0x7C */ - volatile u16 MCFG; + volatile __le16 DCFG; /* 0x7C */ + volatile __le16 MCFG; volatile u8 TBIST; /* 0x80 */ volatile u8 RBIST; @@ -1086,9 +1054,9 @@ struct mac_regs { volatile u8 rev_id; volatile u8 PORSTS; - volatile u32 MIBData; /* 0x88 */ + volatile __le32 MIBData; /* 0x88 */ - volatile u16 EEWrData; + volatile __le16 EEWrData; volatile u8 reserved_8E; volatile u8 BPMDWr; @@ -1098,7 +1066,7 @@ struct mac_regs { volatile u8 EECHKSUM; /* 0x92 */ volatile u8 EECSR; - volatile u16 EERdData; /* 0x94 */ + volatile __le16 EERdData; /* 0x94 */ volatile u8 EADDR; volatile u8 EMBCMD; @@ -1112,22 +1080,22 @@ struct mac_regs { volatile u8 DEBUG; volatile u8 CHIPGCR; - volatile u16 WOLCRSet; /* 0xA0 */ + volatile __le16 WOLCRSet; /* 0xA0 */ volatile u8 PWCFGSet; volatile u8 WOLCFGSet; - volatile u16 WOLCRClr; /* 0xA4 */ + volatile __le16 WOLCRClr; /* 0xA4 */ volatile u8 PWCFGCLR; volatile u8 WOLCFGClr; - volatile u16 WOLSRSet; /* 0xA8 */ - volatile u16 reserved_AA; + volatile __le16 WOLSRSet; /* 0xA8 */ + volatile __le16 reserved_AA; - volatile u16 WOLSRClr; /* 0xAC */ - volatile u16 reserved_AE; + volatile __le16 WOLSRClr; /* 0xAC */ + volatile __le16 reserved_AE; - volatile u16 PatternCRC[8]; /* 0xB0 */ - volatile u32 ByteMask[4][4]; /* 0xC0 */ + volatile __le16 PatternCRC[8]; /* 0xB0 */ + volatile __le32 ByteMask[4][4]; /* 0xC0 */ } __attribute__ ((__packed__)); @@ -1238,12 +1206,12 @@ typedef u8 MCAM_ADDR[ETH_ALEN]; struct arp_packet { u8 dest_mac[ETH_ALEN]; u8 src_mac[ETH_ALEN]; - u16 type; - u16 ar_hrd; - u16 ar_pro; + __be16 type; + __be16 ar_hrd; + __be16 ar_pro; u8 ar_hln; u8 ar_pln; - u16 ar_op; + __be16 ar_op; u8 ar_sha[ETH_ALEN]; u8 ar_sip[4]; u8 ar_tha[ETH_ALEN]; @@ -1253,7 +1221,7 @@ struct arp_packet { struct _magic_packet { u8 dest_mac[6]; u8 src_mac[6]; - u16 type; + __be16 type; u8 MAC[16][6]; u8 password[6]; } __attribute__ ((__packed__)); diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 5413dbf3d4ac..e66de0c12fc1 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -24,6 +24,13 @@ #include <linux/virtio_net.h> #include <linux/scatterlist.h> +static int napi_weight = 128; +module_param(napi_weight, int, 0444); + +static int csum = 1, gso = 1; +module_param(csum, bool, 0444); +module_param(gso, bool, 0444); + /* FIXME: MTU in config. */ #define MAX_PACKET_LEN (ETH_HLEN+ETH_DATA_LEN) @@ -52,13 +59,14 @@ static inline void vnet_hdr_to_sg(struct scatterlist *sg, struct sk_buff *skb) sg_init_one(sg, skb_vnet_hdr(skb), sizeof(struct virtio_net_hdr)); } -static bool skb_xmit_done(struct virtqueue *rvq) +static void skb_xmit_done(struct virtqueue *svq) { - struct virtnet_info *vi = rvq->vdev->priv; + struct virtnet_info *vi = svq->vdev->priv; - /* In case we were waiting for output buffers. */ + /* Suppress further interrupts. */ + svq->vq_ops->disable_cb(svq); + /* We were waiting for more output buffers. */ netif_wake_queue(vi->dev); - return true; } static void receive_skb(struct net_device *dev, struct sk_buff *skb, @@ -83,28 +91,16 @@ static void receive_skb(struct net_device *dev, struct sk_buff *skb, if (hdr->flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) { pr_debug("Needs csum!\n"); - skb->ip_summed = CHECKSUM_PARTIAL; - skb->csum_start = hdr->csum_start; - skb->csum_offset = hdr->csum_offset; - if (skb->csum_start > skb->len - 2 - || skb->csum_offset > skb->len - 2) { - if (net_ratelimit()) - printk(KERN_WARNING "%s: csum=%u/%u len=%u\n", - dev->name, skb->csum_start, - skb->csum_offset, skb->len); + if (!skb_partial_csum_set(skb,hdr->csum_start,hdr->csum_offset)) goto frame_err; - } } if (hdr->gso_type != VIRTIO_NET_HDR_GSO_NONE) { pr_debug("GSO!\n"); - switch (hdr->gso_type) { + switch (hdr->gso_type & ~VIRTIO_NET_HDR_GSO_ECN) { case VIRTIO_NET_HDR_GSO_TCPV4: skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4; break; - case VIRTIO_NET_HDR_GSO_TCPV4_ECN: - skb_shinfo(skb)->gso_type = SKB_GSO_TCP_ECN; - break; case VIRTIO_NET_HDR_GSO_UDP: skb_shinfo(skb)->gso_type = SKB_GSO_UDP; break; @@ -118,6 +114,9 @@ static void receive_skb(struct net_device *dev, struct sk_buff *skb, goto frame_err; } + if (hdr->gso_type & VIRTIO_NET_HDR_GSO_ECN) + skb_shinfo(skb)->gso_type |= SKB_GSO_TCP_ECN; + skb_shinfo(skb)->gso_size = hdr->gso_size; if (skb_shinfo(skb)->gso_size == 0) { if (net_ratelimit()) @@ -170,12 +169,14 @@ static void try_fill_recv(struct virtnet_info *vi) vi->rvq->vq_ops->kick(vi->rvq); } -static bool skb_recv_done(struct virtqueue *rvq) +static void skb_recv_done(struct virtqueue *rvq) { struct virtnet_info *vi = rvq->vdev->priv; - netif_rx_schedule(vi->dev, &vi->napi); - /* Suppress further interrupts. */ - return false; + /* Schedule NAPI, Suppress further interrupts if successful. */ + if (netif_rx_schedule_prep(vi->dev, &vi->napi)) { + rvq->vq_ops->disable_cb(rvq); + __netif_rx_schedule(vi->dev, &vi->napi); + } } static int virtnet_poll(struct napi_struct *napi, int budget) @@ -201,7 +202,7 @@ again: /* Out of packets? */ if (received < budget) { netif_rx_complete(vi->dev, napi); - if (unlikely(!vi->rvq->vq_ops->restart(vi->rvq)) + if (unlikely(!vi->rvq->vq_ops->enable_cb(vi->rvq)) && netif_rx_reschedule(vi->dev, napi)) goto again; } @@ -236,8 +237,6 @@ static int start_xmit(struct sk_buff *skb, struct net_device *dev) pr_debug("%s: xmit %p %s\n", dev->name, skb, print_mac(mac, dest)); - free_old_xmit_skbs(vi); - /* Encode metadata header at front. */ hdr = skb_vnet_hdr(skb); if (skb->ip_summed == CHECKSUM_PARTIAL) { @@ -250,10 +249,9 @@ static int start_xmit(struct sk_buff *skb, struct net_device *dev) } if (skb_is_gso(skb)) { + hdr->hdr_len = skb_transport_header(skb) - skb->data; hdr->gso_size = skb_shinfo(skb)->gso_size; - if (skb_shinfo(skb)->gso_type & SKB_GSO_TCP_ECN) - hdr->gso_type = VIRTIO_NET_HDR_GSO_TCPV4_ECN; - else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4) + if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4) hdr->gso_type = VIRTIO_NET_HDR_GSO_TCPV4; else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) hdr->gso_type = VIRTIO_NET_HDR_GSO_TCPV6; @@ -261,19 +259,34 @@ static int start_xmit(struct sk_buff *skb, struct net_device *dev) hdr->gso_type = VIRTIO_NET_HDR_GSO_UDP; else BUG(); + if (skb_shinfo(skb)->gso_type & SKB_GSO_TCP_ECN) + hdr->gso_type |= VIRTIO_NET_HDR_GSO_ECN; } else { hdr->gso_type = VIRTIO_NET_HDR_GSO_NONE; - hdr->gso_size = 0; + hdr->gso_size = hdr->hdr_len = 0; } vnet_hdr_to_sg(sg, skb); num = skb_to_sgvec(skb, sg+1, 0, skb->len) + 1; __skb_queue_head(&vi->send, skb); + +again: + /* Free up any pending old buffers before queueing new ones. */ + free_old_xmit_skbs(vi); err = vi->svq->vq_ops->add_buf(vi->svq, sg, num, 0, skb); if (err) { pr_debug("%s: virtio not prepared to send\n", dev->name); - skb_unlink(skb, &vi->send); netif_stop_queue(dev); + + /* Activate callback for using skbs: if this fails it + * means some were used in the meantime. */ + if (unlikely(!vi->svq->vq_ops->enable_cb(vi->svq))) { + printk("Unlikely: restart svq failed\n"); + netif_start_queue(dev); + goto again; + } + __skb_unlink(skb, &vi->send); + return NETDEV_TX_BUSY; } vi->svq->vq_ops->kick(vi->svq); @@ -285,45 +298,31 @@ static int virtnet_open(struct net_device *dev) { struct virtnet_info *vi = netdev_priv(dev); - try_fill_recv(vi); + napi_enable(&vi->napi); - /* If we didn't even get one input buffer, we're useless. */ - if (vi->num == 0) - return -ENOMEM; + /* If all buffers were filled by other side before we napi_enabled, we + * won't get another interrupt, so process any outstanding packets + * now. virtnet_poll wants re-enable the queue, so we disable here. */ + vi->rvq->vq_ops->disable_cb(vi->rvq); + netif_rx_schedule(vi->dev, &vi->napi); - napi_enable(&vi->napi); return 0; } static int virtnet_close(struct net_device *dev) { struct virtnet_info *vi = netdev_priv(dev); - struct sk_buff *skb; napi_disable(&vi->napi); - /* networking core has neutered skb_xmit_done/skb_recv_done, so don't - * worry about races vs. get(). */ - vi->rvq->vq_ops->shutdown(vi->rvq); - while ((skb = __skb_dequeue(&vi->recv)) != NULL) { - kfree_skb(skb); - vi->num--; - } - vi->svq->vq_ops->shutdown(vi->svq); - while ((skb = __skb_dequeue(&vi->send)) != NULL) - kfree_skb(skb); - - BUG_ON(vi->num != 0); return 0; } static int virtnet_probe(struct virtio_device *vdev) { int err; - unsigned int len; struct net_device *dev; struct virtnet_info *vi; - void *token; /* Allocate ourselves a network device with room for our info */ dev = alloc_etherdev(sizeof(struct virtnet_info)); @@ -331,7 +330,6 @@ static int virtnet_probe(struct virtio_device *vdev) return -ENOMEM; /* Set up network device as normal. */ - ether_setup(dev); dev->open = virtnet_open; dev->stop = virtnet_close; dev->hard_start_xmit = start_xmit; @@ -339,42 +337,37 @@ static int virtnet_probe(struct virtio_device *vdev) SET_NETDEV_DEV(dev, &vdev->dev); /* Do we support "hardware" checksums? */ - token = vdev->config->find(vdev, VIRTIO_CONFIG_NET_F, &len); - if (virtio_use_bit(vdev, token, len, VIRTIO_NET_F_NO_CSUM)) { + if (csum && vdev->config->feature(vdev, VIRTIO_NET_F_CSUM)) { /* This opens up the world of extra features. */ dev->features |= NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST; - if (virtio_use_bit(vdev, token, len, VIRTIO_NET_F_TSO4)) - dev->features |= NETIF_F_TSO; - if (virtio_use_bit(vdev, token, len, VIRTIO_NET_F_UFO)) - dev->features |= NETIF_F_UFO; - if (virtio_use_bit(vdev, token, len, VIRTIO_NET_F_TSO4_ECN)) - dev->features |= NETIF_F_TSO_ECN; - if (virtio_use_bit(vdev, token, len, VIRTIO_NET_F_TSO6)) - dev->features |= NETIF_F_TSO6; + if (gso && vdev->config->feature(vdev, VIRTIO_NET_F_GSO)) { + dev->features |= NETIF_F_TSO | NETIF_F_UFO + | NETIF_F_TSO_ECN | NETIF_F_TSO6; + } } /* Configuration may specify what MAC to use. Otherwise random. */ - token = vdev->config->find(vdev, VIRTIO_CONFIG_NET_MAC_F, &len); - if (token) { - dev->addr_len = len; - vdev->config->get(vdev, token, dev->dev_addr, len); + if (vdev->config->feature(vdev, VIRTIO_NET_F_MAC)) { + vdev->config->get(vdev, + offsetof(struct virtio_net_config, mac), + dev->dev_addr, dev->addr_len); } else random_ether_addr(dev->dev_addr); /* Set up our device-specific information */ vi = netdev_priv(dev); - netif_napi_add(dev, &vi->napi, virtnet_poll, 16); + netif_napi_add(dev, &vi->napi, virtnet_poll, napi_weight); vi->dev = dev; vi->vdev = vdev; /* We expect two virtqueues, receive then send. */ - vi->rvq = vdev->config->find_vq(vdev, skb_recv_done); + vi->rvq = vdev->config->find_vq(vdev, 0, skb_recv_done); if (IS_ERR(vi->rvq)) { err = PTR_ERR(vi->rvq); goto free; } - vi->svq = vdev->config->find_vq(vdev, skb_xmit_done); + vi->svq = vdev->config->find_vq(vdev, 1, skb_xmit_done); if (IS_ERR(vi->svq)) { err = PTR_ERR(vi->svq); goto free_recv; @@ -389,10 +382,22 @@ static int virtnet_probe(struct virtio_device *vdev) pr_debug("virtio_net: registering device failed\n"); goto free_send; } + + /* Last of all, set up some receive buffers. */ + try_fill_recv(vi); + + /* If we didn't even get one input buffer, we're useless. */ + if (vi->num == 0) { + err = -ENOMEM; + goto unregister; + } + pr_debug("virtnet: registered device %s\n", dev->name); vdev->priv = vi; return 0; +unregister: + unregister_netdev(dev); free_send: vdev->config->del_vq(vi->svq); free_recv: @@ -405,6 +410,20 @@ free: static void virtnet_remove(struct virtio_device *vdev) { struct virtnet_info *vi = vdev->priv; + struct sk_buff *skb; + + /* Stop all the virtqueues. */ + vdev->config->reset(vdev); + + /* Free our skbs in send and recv queues, if any. */ + while ((skb = __skb_dequeue(&vi->recv)) != NULL) { + kfree_skb(skb); + vi->num--; + } + while ((skb = __skb_dequeue(&vi->send)) != NULL) + kfree_skb(skb); + + BUG_ON(vi->num != 0); vdev->config->del_vq(vi->svq); vdev->config->del_vq(vi->rvq); diff --git a/drivers/net/wan/cycx_drv.c b/drivers/net/wan/cycx_drv.c index d347d59db656..d14e6678deed 100644 --- a/drivers/net/wan/cycx_drv.c +++ b/drivers/net/wan/cycx_drv.c @@ -322,7 +322,7 @@ static int cycx_data_boot(void __iomem *addr, u8 *code, u32 len) void __iomem *pt_boot_cmd = addr + CMD_OFFSET; u32 i; - /* boot buffer lenght */ + /* boot buffer length */ writew(CFM_LOAD_BUFSZ, pt_boot_cmd + sizeof(u16)); writew(GEN_DEFPAR, pt_boot_cmd); @@ -353,7 +353,7 @@ static int cycx_code_boot(void __iomem *addr, u8 *code, u32 len) void __iomem *pt_boot_cmd = addr + CMD_OFFSET; u32 i; - /* boot buffer lenght */ + /* boot buffer length */ writew(CFM_LOAD_BUFSZ, pt_boot_cmd + sizeof(u16)); writew(GEN_DEFPAR, pt_boot_cmd); diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c index d6599d219193..ddc87149fe31 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -153,7 +153,7 @@ static int ath5k_pci_resume(struct pci_dev *pdev); #define ath5k_pci_resume NULL #endif /* CONFIG_PM */ -static struct pci_driver ath5k_pci_drv_id = { +static struct pci_driver ath5k_pci_driver = { .name = "ath5k_pci", .id_table = ath5k_pci_id_table, .probe = ath5k_pci_probe, @@ -329,7 +329,7 @@ init_ath5k_pci(void) ath5k_debug_init(); - ret = pci_register_driver(&ath5k_pci_drv_id); + ret = pci_register_driver(&ath5k_pci_driver); if (ret) { printk(KERN_ERR "ath5k_pci: can't register pci driver\n"); return ret; @@ -341,7 +341,7 @@ init_ath5k_pci(void) static void __exit exit_ath5k_pci(void) { - pci_unregister_driver(&ath5k_pci_drv_id); + pci_unregister_driver(&ath5k_pci_driver); ath5k_debug_finish(); } diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index 4fdeb5323248..8d4d91d35fd2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -238,9 +238,10 @@ void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv, struct iwl3945_rx_mem_b priv->last_statistics_time = jiffies; } -void iwl3945_add_radiotap(struct iwl3945_priv *priv, struct sk_buff *skb, - struct iwl3945_rx_frame_hdr *rx_hdr, - struct ieee80211_rx_status *stats) +static void iwl3945_add_radiotap(struct iwl3945_priv *priv, + struct sk_buff *skb, + struct iwl3945_rx_frame_hdr *rx_hdr, + struct ieee80211_rx_status *stats) { /* First cache any information we need before we overwrite * the information provided in the skb from the hardware */ diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index 569347ff377b..d727de8b96fe 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -4658,17 +4658,30 @@ void iwl4965_set_ht_add_station(struct iwl4965_priv *priv, u8 index, struct ieee80211_ht_info *sta_ht_inf) { __le32 sta_flags; + u8 mimo_ps_mode; if (!sta_ht_inf || !sta_ht_inf->ht_supported) goto done; + mimo_ps_mode = (sta_ht_inf->cap & IEEE80211_HT_CAP_MIMO_PS) >> 2; + sta_flags = priv->stations[index].sta.station_flags; - if (((sta_ht_inf->cap & IEEE80211_HT_CAP_MIMO_PS >> 2)) - == IWL_MIMO_PS_DYNAMIC) + sta_flags &= ~(STA_FLG_RTS_MIMO_PROT_MSK | STA_FLG_MIMO_DIS_MSK); + + switch (mimo_ps_mode) { + case WLAN_HT_CAP_MIMO_PS_STATIC: + sta_flags |= STA_FLG_MIMO_DIS_MSK; + break; + case WLAN_HT_CAP_MIMO_PS_DYNAMIC: sta_flags |= STA_FLG_RTS_MIMO_PROT_MSK; - else - sta_flags &= ~STA_FLG_RTS_MIMO_PROT_MSK; + break; + case WLAN_HT_CAP_MIMO_PS_DISABLED: + break; + default: + IWL_WARNING("Invalid MIMO PS mode %d", mimo_ps_mode); + break; + } sta_flags |= cpu_to_le32( (u32)sta_ht_inf->ampdu_factor << STA_FLG_MAX_AGG_SIZE_POS); @@ -4679,7 +4692,7 @@ void iwl4965_set_ht_add_station(struct iwl4965_priv *priv, u8 index, if (iwl4965_is_fat_tx_allowed(priv, sta_ht_inf)) sta_flags |= STA_FLG_FAT_EN_MSK; else - sta_flags &= (~STA_FLG_FAT_EN_MSK); + sta_flags &= ~STA_FLG_FAT_EN_MSK; priv->stations[index].sta.station_flags = sta_flags; done: diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h index cb009f4c401f..8993cca81b40 100644 --- a/drivers/net/wireless/iwlwifi/iwl-helpers.h +++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h @@ -147,9 +147,6 @@ static inline struct ieee80211_conf *ieee80211_get_hw_conf( #define QOS_CONTROL_LEN 2 -#define IEEE80211_STYPE_BACK_REQ 0x0080 -#define IEEE80211_STYPE_BACK 0x0090 - static inline int ieee80211_is_management(u16 fc) { diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 33239f197984..f55c75712b55 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -6330,6 +6330,11 @@ static int __iwl3945_up(struct iwl3945_priv *priv) return -ENODEV; } + if (!priv->ucode_data_backup.v_addr || !priv->ucode_data.v_addr) { + IWL_ERROR("ucode not available for device bringup\n"); + return -EIO; + } + /* If platform's RF_KILL switch is NOT set to KILL */ if (iwl3945_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) @@ -6342,11 +6347,6 @@ static int __iwl3945_up(struct iwl3945_priv *priv) } } - if (!priv->ucode_data_backup.v_addr || !priv->ucode_data.v_addr) { - IWL_ERROR("ucode not available for device bringup\n"); - return -EIO; - } - iwl3945_write32(priv, CSR_INT, 0xFFFFFFFF); rc = iwl3945_hw_nic_init(priv); diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c index bf3a60c037aa..f423241b9567 100644 --- a/drivers/net/wireless/iwlwifi/iwl4965-base.c +++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c @@ -6755,6 +6755,11 @@ static int __iwl4965_up(struct iwl4965_priv *priv) return -ENODEV; } + if (!priv->ucode_data_backup.v_addr || !priv->ucode_data.v_addr) { + IWL_ERROR("ucode not available for device bringup\n"); + return -EIO; + } + /* If platform's RF_KILL switch is NOT set to KILL */ if (iwl4965_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) @@ -6767,11 +6772,6 @@ static int __iwl4965_up(struct iwl4965_priv *priv) } } - if (!priv->ucode_data_backup.v_addr || !priv->ucode_data.v_addr) { - IWL_ERROR("ucode not available for device bringup\n"); - return -EIO; - } - iwl4965_write32(priv, CSR_INT, 0xFFFFFFFF); rc = iwl4965_hw_nic_init(priv); diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c index 9a61188b62e9..69f94c92b32d 100644 --- a/drivers/net/wireless/libertas/scan.c +++ b/drivers/net/wireless/libertas/scan.c @@ -1473,7 +1473,7 @@ int lbs_get_scan(struct net_device *dev, struct iw_request_info *info, * Called via lbs_prepare_and_send_command(priv, CMD_802_11_SCAN, ...) * from cmd.c * - * Sends a fixed lenght data part (specifying the BSS type and BSSID filters) + * Sends a fixed length data part (specifying the BSS type and BSSID filters) * as well as a variable number/length of TLVs to the firmware. * * @param priv A pointer to struct lbs_private structure diff --git a/drivers/nubus/nubus.c b/drivers/nubus/nubus.c index e503c9c98032..f4076aeb2098 100644 --- a/drivers/nubus/nubus.c +++ b/drivers/nubus/nubus.c @@ -352,7 +352,7 @@ nubus_find_rsrc(struct nubus_dir* dir, unsigned char rsrc_type, resource blocks. */ /* FIXME: A lot of this stuff will eventually be useful after - initializaton, for intelligently probing Ethernet and video chips, + initialization, for intelligently probing Ethernet and video chips, among other things. The rest of it should go in the /proc code. For now, we just use it to give verbose boot logs. */ diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c index 7c60cbd85dc8..ca52307b8f40 100644 --- a/drivers/parisc/ccio-dma.c +++ b/drivers/parisc/ccio-dma.c @@ -363,7 +363,7 @@ ccio_alloc_range(struct ioc *ioc, size_t size) if (pages_needed <= 8) { /* * LAN traffic will not thrash the TLB IFF the same NIC - * uses 8 adjacent pages to map seperate payload data. + * uses 8 adjacent pages to map separate payload data. * ie the same byte in the resource bit map. */ #if 0 @@ -1589,7 +1589,7 @@ static int __init ccio_probe(struct parisc_device *dev) } /** - * ccio_init - ccio initalization procedure. + * ccio_init - ccio initialization procedure. * * Register this driver. */ diff --git a/drivers/parisc/hppb.c b/drivers/parisc/hppb.c index a728a7cd2fc8..65eee67aa2ae 100644 --- a/drivers/parisc/hppb.c +++ b/drivers/parisc/hppb.c @@ -95,7 +95,7 @@ static struct parisc_driver hppb_driver = { }; /** - * hppb_init - HP-PB bus initalization procedure. + * hppb_init - HP-PB bus initialization procedure. * * Register this driver. */ diff --git a/drivers/parport/probe.c b/drivers/parport/probe.c index 853a15f44f88..cd565bb4e1a9 100644 --- a/drivers/parport/probe.c +++ b/drivers/parport/probe.c @@ -163,7 +163,7 @@ static ssize_t parport_read_device_id (struct parport *port, char *buffer, idlens[1] = idlens[0]+2; if (belen != lelen) { int off = 2; - /* Don't try lenghts of 0x100 and 0x200 as 1 and 2 */ + /* Don't try lengths of 0x100 and 0x200 as 1 and 2 */ if (idlens[0] <= 2) off = 0; idlens[off] = max(belen, lelen); diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile index f697f3d728eb..9f04d17576d6 100644 --- a/drivers/pci/Makefile +++ b/drivers/pci/Makefile @@ -13,6 +13,9 @@ obj-$(CONFIG_HOTPLUG) += hotplug.o # Build the PCI Hotplug drivers if we were asked to obj-$(CONFIG_HOTPLUG_PCI) += hotplug/ +ifdef CONFIG_HOTPLUG_PCI +obj-y += hotplug-pci.o +endif # Build the PCI MSI interrupt support obj-$(CONFIG_PCI_MSI) += msi.o diff --git a/drivers/pci/hotplug-pci.c b/drivers/pci/hotplug-pci.c new file mode 100644 index 000000000000..a590ef682153 --- /dev/null +++ b/drivers/pci/hotplug-pci.c @@ -0,0 +1,20 @@ +/* Core PCI functionality used only by PCI hotplug */ + +#include <linux/pci.h> +#include "pci.h" + + +unsigned int pci_do_scan_bus(struct pci_bus *bus) +{ + unsigned int max; + + max = pci_scan_child_bus(bus); + + /* + * Make the discovered devices available. + */ + pci_bus_add_devices(bus); + + return max; +} +EXPORT_SYMBOL(pci_do_scan_bus); diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index abf4203304e4..8dcf1458aa2f 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -21,7 +21,6 @@ #include <linux/topology.h> #include <linux/mm.h> #include <linux/capability.h> -#include <linux/aspm.h> #include "pci.h" static int sysfs_initialized; /* = 0 */ @@ -651,8 +650,6 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev) if (pcibios_add_platform_entries(pdev)) goto err_rom_file; - pcie_aspm_create_sysfs_dev_files(pdev); - return 0; err_rom_file: @@ -682,8 +679,6 @@ void pci_remove_sysfs_dev_files(struct pci_dev *pdev) if (!sysfs_initialized) return; - pcie_aspm_remove_sysfs_dev_files(pdev); - if (pdev->cfg_size < 4096) sysfs_remove_bin_file(&pdev->dev.kobj, &pci_config_attr); else diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index b3e9294e4a0e..04aac7782468 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -18,7 +18,6 @@ #include <linux/spinlock.h> #include <linux/string.h> #include <linux/log2.h> -#include <linux/aspm.h> #include <asm/dma.h> /* isa_dma_bridge_buggy */ #include "pci.h" @@ -520,9 +519,6 @@ pci_set_power_state(struct pci_dev *dev, pci_power_t state) if (need_restore) pci_restore_bars(dev); - if (dev->bus->self) - pcie_aspm_pm_state_change(dev->bus->self); - return 0; } diff --git a/drivers/pci/pcie/Kconfig b/drivers/pci/pcie/Kconfig index 60104cf98796..287a9311716c 100644 --- a/drivers/pci/pcie/Kconfig +++ b/drivers/pci/pcie/Kconfig @@ -26,23 +26,3 @@ config HOTPLUG_PCI_PCIE When in doubt, say N. source "drivers/pci/pcie/aer/Kconfig" - -# -# PCI Express ASPM -# -config PCIEASPM - bool "PCI Express ASPM support(Experimental)" - depends on PCI && EXPERIMENTAL - default y - help - This enables PCI Express ASPM (Active State Power Management) and - Clock Power Management. ASPM supports state L0/L0s/L1. - - When in doubt, say N. -config PCIEASPM_DEBUG - bool "Debug PCI Express ASPM" - depends on PCIEASPM - default n - help - This enables PCI Express ASPM debug support. It will add per-device - interface to control ASPM. diff --git a/drivers/pci/pcie/Makefile b/drivers/pci/pcie/Makefile index 11f6bb1eae24..e00fb99acf44 100644 --- a/drivers/pci/pcie/Makefile +++ b/drivers/pci/pcie/Makefile @@ -2,9 +2,6 @@ # Makefile for PCI-Express PORT Driver # -# Build PCI Express ASPM if needed -obj-$(CONFIG_PCIEASPM) += aspm.o - pcieportdrv-y := portdrv_core.o portdrv_pci.o portdrv_bus.o obj-$(CONFIG_PCIEPORTBUS) += pcieportdrv.o diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c deleted file mode 100644 index 1a5adeb10c95..000000000000 --- a/drivers/pci/pcie/aspm.c +++ /dev/null @@ -1,802 +0,0 @@ -/* - * File: drivers/pci/pcie/aspm.c - * Enabling PCIE link L0s/L1 state and Clock Power Management - * - * Copyright (C) 2007 Intel - * Copyright (C) Zhang Yanmin (yanmin.zhang@intel.com) - * Copyright (C) Shaohua Li (shaohua.li@intel.com) - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/pci.h> -#include <linux/pci_regs.h> -#include <linux/errno.h> -#include <linux/pm.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/aspm.h> -#include <acpi/acpi_bus.h> -#include <linux/pci-acpi.h> -#include "../pci.h" - -#ifdef MODULE_PARAM_PREFIX -#undef MODULE_PARAM_PREFIX -#endif -#define MODULE_PARAM_PREFIX "pcie_aspm." - -struct endpoint_state { - unsigned int l0s_acceptable_latency; - unsigned int l1_acceptable_latency; -}; - -struct pcie_link_state { - struct list_head sibiling; - struct pci_dev *pdev; - - /* ASPM state */ - unsigned int support_state; - unsigned int enabled_state; - unsigned int bios_aspm_state; - /* upstream component */ - unsigned int l0s_upper_latency; - unsigned int l1_upper_latency; - /* downstream component */ - unsigned int l0s_down_latency; - unsigned int l1_down_latency; - /* Clock PM state*/ - unsigned int clk_pm_capable; - unsigned int clk_pm_enabled; - unsigned int bios_clk_state; - - /* - * A pcie downstream port only has one slot under it, so at most there - * are 8 functions - */ - struct endpoint_state endpoints[8]; -}; - -static int aspm_disabled; -static DEFINE_MUTEX(aspm_lock); -static LIST_HEAD(link_list); - -#define POLICY_DEFAULT 0 /* BIOS default setting */ -#define POLICY_PERFORMANCE 1 /* high performance */ -#define POLICY_POWERSAVE 2 /* high power saving */ -static int aspm_policy; -static const char *policy_str[] = { - [POLICY_DEFAULT] = "default", - [POLICY_PERFORMANCE] = "performance", - [POLICY_POWERSAVE] = "powersave" -}; - -static int policy_to_aspm_state(struct pci_dev *pdev) -{ - struct pcie_link_state *link_state = pdev->link_state; - - switch (aspm_policy) { - case POLICY_PERFORMANCE: - /* Disable ASPM and Clock PM */ - return 0; - case POLICY_POWERSAVE: - /* Enable ASPM L0s/L1 */ - return PCIE_LINK_STATE_L0S|PCIE_LINK_STATE_L1; - case POLICY_DEFAULT: - return link_state->bios_aspm_state; - } - return 0; -} - -static int policy_to_clkpm_state(struct pci_dev *pdev) -{ - struct pcie_link_state *link_state = pdev->link_state; - - switch (aspm_policy) { - case POLICY_PERFORMANCE: - /* Disable ASPM and Clock PM */ - return 0; - case POLICY_POWERSAVE: - /* Disable Clock PM */ - return 1; - case POLICY_DEFAULT: - return link_state->bios_clk_state; - } - return 0; -} - -static void pcie_set_clock_pm(struct pci_dev *pdev, int enable) -{ - struct pci_dev *child_dev; - int pos; - u16 reg16; - struct pcie_link_state *link_state = pdev->link_state; - - list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { - pos = pci_find_capability(child_dev, PCI_CAP_ID_EXP); - if (!pos) - return; - pci_read_config_word(child_dev, pos + PCI_EXP_LNKCTL, ®16); - if (enable) - reg16 |= PCI_EXP_LNKCTL_CLKREQ_EN; - else - reg16 &= ~PCI_EXP_LNKCTL_CLKREQ_EN; - pci_write_config_word(child_dev, pos + PCI_EXP_LNKCTL, reg16); - } - link_state->clk_pm_enabled = !!enable; -} - -static void pcie_check_clock_pm(struct pci_dev *pdev) -{ - int pos; - u32 reg32; - u16 reg16; - int capable = 1, enabled = 1; - struct pci_dev *child_dev; - struct pcie_link_state *link_state = pdev->link_state; - - /* All functions should have the same cap and state, take the worst */ - list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { - pos = pci_find_capability(child_dev, PCI_CAP_ID_EXP); - if (!pos) - return; - pci_read_config_dword(child_dev, pos + PCI_EXP_LNKCAP, ®32); - if (!(reg32 & PCI_EXP_LNKCAP_CLKPM)) { - capable = 0; - enabled = 0; - break; - } - pci_read_config_word(child_dev, pos + PCI_EXP_LNKCTL, ®16); - if (!(reg16 & PCI_EXP_LNKCTL_CLKREQ_EN)) - enabled = 0; - } - link_state->clk_pm_capable = capable; - link_state->clk_pm_enabled = enabled; - link_state->bios_clk_state = enabled; - pcie_set_clock_pm(pdev, policy_to_clkpm_state(pdev)); -} - -/* - * pcie_aspm_configure_common_clock: check if the 2 ends of a link - * could use common clock. If they are, configure them to use the - * common clock. That will reduce the ASPM state exit latency. - */ -static void pcie_aspm_configure_common_clock(struct pci_dev *pdev) -{ - int pos, child_pos; - u16 reg16 = 0; - struct pci_dev *child_dev; - int same_clock = 1; - - /* - * all functions of a slot should have the same Slot Clock - * Configuration, so just check one function - * */ - child_dev = list_entry(pdev->subordinate->devices.next, struct pci_dev, - bus_list); - BUG_ON(!child_dev->is_pcie); - - /* Check downstream component if bit Slot Clock Configuration is 1 */ - child_pos = pci_find_capability(child_dev, PCI_CAP_ID_EXP); - pci_read_config_word(child_dev, child_pos + PCI_EXP_LNKSTA, ®16); - if (!(reg16 & PCI_EXP_LNKSTA_SLC)) - same_clock = 0; - - /* Check upstream component if bit Slot Clock Configuration is 1 */ - pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); - pci_read_config_word(pdev, pos + PCI_EXP_LNKSTA, ®16); - if (!(reg16 & PCI_EXP_LNKSTA_SLC)) - same_clock = 0; - - /* Configure downstream component, all functions */ - list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { - child_pos = pci_find_capability(child_dev, PCI_CAP_ID_EXP); - pci_read_config_word(child_dev, child_pos + PCI_EXP_LNKCTL, - ®16); - if (same_clock) - reg16 |= PCI_EXP_LNKCTL_CCC; - else - reg16 &= ~PCI_EXP_LNKCTL_CCC; - pci_write_config_word(child_dev, child_pos + PCI_EXP_LNKCTL, - reg16); - } - - /* Configure upstream component */ - pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, ®16); - if (same_clock) - reg16 |= PCI_EXP_LNKCTL_CCC; - else - reg16 &= ~PCI_EXP_LNKCTL_CCC; - pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16); - - /* retrain link */ - reg16 |= PCI_EXP_LNKCTL_RL; - pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16); - - /* Wait for link training end */ - while (1) { - pci_read_config_word(pdev, pos + PCI_EXP_LNKSTA, ®16); - if (!(reg16 & PCI_EXP_LNKSTA_LT)) - break; - cpu_relax(); - } -} - -/* - * calc_L0S_latency: Convert L0s latency encoding to ns - */ -static unsigned int calc_L0S_latency(unsigned int latency_encoding, int ac) -{ - unsigned int ns = 64; - - if (latency_encoding == 0x7) { - if (ac) - ns = -1U; - else - ns = 5*1000; /* > 4us */ - } else - ns *= (1 << latency_encoding); - return ns; -} - -/* - * calc_L1_latency: Convert L1 latency encoding to ns - */ -static unsigned int calc_L1_latency(unsigned int latency_encoding, int ac) -{ - unsigned int ns = 1000; - - if (latency_encoding == 0x7) { - if (ac) - ns = -1U; - else - ns = 65*1000; /* > 64us */ - } else - ns *= (1 << latency_encoding); - return ns; -} - -static void pcie_aspm_get_cap_device(struct pci_dev *pdev, u32 *state, - unsigned int *l0s, unsigned int *l1, unsigned int *enabled) -{ - int pos; - u16 reg16; - u32 reg32; - unsigned int latency; - - pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); - pci_read_config_dword(pdev, pos + PCI_EXP_LNKCAP, ®32); - *state = (reg32 & PCI_EXP_LNKCAP_ASPMS) >> 10; - if (*state != PCIE_LINK_STATE_L0S && - *state != (PCIE_LINK_STATE_L1|PCIE_LINK_STATE_L0S)) - * state = 0; - if (*state == 0) - return; - - latency = (reg32 & PCI_EXP_LNKCAP_L0SEL) >> 12; - *l0s = calc_L0S_latency(latency, 0); - if (*state & PCIE_LINK_STATE_L1) { - latency = (reg32 & PCI_EXP_LNKCAP_L1EL) >> 15; - *l1 = calc_L1_latency(latency, 0); - } - pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, ®16); - *enabled = reg16 & (PCIE_LINK_STATE_L0S|PCIE_LINK_STATE_L1); -} - -static void pcie_aspm_cap_init(struct pci_dev *pdev) -{ - struct pci_dev *child_dev; - u32 state, tmp; - struct pcie_link_state *link_state = pdev->link_state; - - /* upstream component states */ - pcie_aspm_get_cap_device(pdev, &link_state->support_state, - &link_state->l0s_upper_latency, - &link_state->l1_upper_latency, - &link_state->enabled_state); - /* downstream component states, all functions have the same setting */ - child_dev = list_entry(pdev->subordinate->devices.next, struct pci_dev, - bus_list); - pcie_aspm_get_cap_device(child_dev, &state, - &link_state->l0s_down_latency, - &link_state->l1_down_latency, - &tmp); - link_state->support_state &= state; - if (!link_state->support_state) - return; - link_state->enabled_state &= link_state->support_state; - link_state->bios_aspm_state = link_state->enabled_state; - - /* ENDPOINT states*/ - list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { - int pos; - u32 reg32; - unsigned int latency; - struct endpoint_state *ep_state = - &link_state->endpoints[PCI_FUNC(child_dev->devfn)]; - - if (child_dev->pcie_type != PCI_EXP_TYPE_ENDPOINT && - child_dev->pcie_type != PCI_EXP_TYPE_LEG_END) - continue; - - pos = pci_find_capability(child_dev, PCI_CAP_ID_EXP); - pci_read_config_dword(child_dev, pos + PCI_EXP_DEVCAP, ®32); - latency = (reg32 & PCI_EXP_DEVCAP_L0S) >> 6; - latency = calc_L0S_latency(latency, 1); - ep_state->l0s_acceptable_latency = latency; - if (link_state->support_state & PCIE_LINK_STATE_L1) { - latency = (reg32 & PCI_EXP_DEVCAP_L1) >> 9; - latency = calc_L1_latency(latency, 1); - ep_state->l1_acceptable_latency = latency; - } - } -} - -static unsigned int __pcie_aspm_check_state_one(struct pci_dev *pdev, - unsigned int state) -{ - struct pci_dev *parent_dev, *tmp_dev; - unsigned int latency, l1_latency = 0; - struct pcie_link_state *link_state; - struct endpoint_state *ep_state; - - parent_dev = pdev->bus->self; - link_state = parent_dev->link_state; - state &= link_state->support_state; - if (state == 0) - return 0; - ep_state = &link_state->endpoints[PCI_FUNC(pdev->devfn)]; - - /* - * Check latency for endpoint device. - * TBD: The latency from the endpoint to root complex vary per - * switch's upstream link state above the device. Here we just do a - * simple check which assumes all links above the device can be in L1 - * state, that is we just consider the worst case. If switch's upstream - * link can't be put into L0S/L1, then our check is too strictly. - */ - tmp_dev = pdev; - while (state & (PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1)) { - parent_dev = tmp_dev->bus->self; - link_state = parent_dev->link_state; - if (state & PCIE_LINK_STATE_L0S) { - latency = max_t(unsigned int, - link_state->l0s_upper_latency, - link_state->l0s_down_latency); - if (latency > ep_state->l0s_acceptable_latency) - state &= ~PCIE_LINK_STATE_L0S; - } - if (state & PCIE_LINK_STATE_L1) { - latency = max_t(unsigned int, - link_state->l1_upper_latency, - link_state->l1_down_latency); - if (latency + l1_latency > - ep_state->l1_acceptable_latency) - state &= ~PCIE_LINK_STATE_L1; - } - if (!parent_dev->bus->self) /* parent_dev is a root port */ - break; - else { - /* - * parent_dev is the downstream port of a switch, make - * tmp_dev the upstream port of the switch - */ - tmp_dev = parent_dev->bus->self; - /* - * every switch on the path to root complex need 1 more - * microsecond for L1. Spec doesn't mention L0S. - */ - if (state & PCIE_LINK_STATE_L1) - l1_latency += 1000; - } - } - return state; -} - -static unsigned int pcie_aspm_check_state(struct pci_dev *pdev, - unsigned int state) -{ - struct pci_dev *child_dev; - - /* If no child, disable the link */ - if (list_empty(&pdev->subordinate->devices)) - return 0; - list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { - if (child_dev->pcie_type == PCI_EXP_TYPE_PCI_BRIDGE) { - /* - * If downstream component of a link is pci bridge, we - * disable ASPM for now for the link - * */ - state = 0; - break; - } - if ((child_dev->pcie_type != PCI_EXP_TYPE_ENDPOINT && - child_dev->pcie_type != PCI_EXP_TYPE_LEG_END)) - continue; - /* Device not in D0 doesn't need check latency */ - if (child_dev->current_state == PCI_D1 || - child_dev->current_state == PCI_D2 || - child_dev->current_state == PCI_D3hot || - child_dev->current_state == PCI_D3cold) - continue; - state = __pcie_aspm_check_state_one(child_dev, state); - } - return state; -} - -static void __pcie_aspm_config_one_dev(struct pci_dev *pdev, unsigned int state) -{ - u16 reg16; - int pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); - - pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, ®16); - reg16 &= ~0x3; - reg16 |= state; - pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16); -} - -static void __pcie_aspm_config_link(struct pci_dev *pdev, unsigned int state) -{ - struct pci_dev *child_dev; - int valid = 1; - struct pcie_link_state *link_state = pdev->link_state; - - /* - * if the downstream component has pci bridge function, don't do ASPM - * now - */ - list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { - if (child_dev->pcie_type == PCI_EXP_TYPE_PCI_BRIDGE) { - valid = 0; - break; - } - } - if (!valid) - return; - - /* - * spec 2.0 suggests all functions should be configured the same - * setting for ASPM. Enabling ASPM L1 should be done in upstream - * component first and then downstream, and vice versa for disabling - * ASPM L1. Spec doesn't mention L0S. - */ - if (state & PCIE_LINK_STATE_L1) - __pcie_aspm_config_one_dev(pdev, state); - - list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) - __pcie_aspm_config_one_dev(child_dev, state); - - if (!(state & PCIE_LINK_STATE_L1)) - __pcie_aspm_config_one_dev(pdev, state); - - link_state->enabled_state = state; -} - -static void __pcie_aspm_configure_link_state(struct pci_dev *pdev, - unsigned int state) -{ - struct pcie_link_state *link_state = pdev->link_state; - - if (link_state->support_state == 0) - return; - state &= PCIE_LINK_STATE_L0S|PCIE_LINK_STATE_L1; - - /* state 0 means disabling aspm */ - state = pcie_aspm_check_state(pdev, state); - if (link_state->enabled_state == state) - return; - __pcie_aspm_config_link(pdev, state); -} - -/* - * pcie_aspm_configure_link_state: enable/disable PCI express link state - * @pdev: the root port or switch downstream port - */ -static void pcie_aspm_configure_link_state(struct pci_dev *pdev, - unsigned int state) -{ - down_read(&pci_bus_sem); - mutex_lock(&aspm_lock); - __pcie_aspm_configure_link_state(pdev, state); - mutex_unlock(&aspm_lock); - up_read(&pci_bus_sem); -} - -static void free_link_state(struct pci_dev *pdev) -{ - kfree(pdev->link_state); - pdev->link_state = NULL; -} - -/* - * pcie_aspm_init_link_state: Initiate PCI express link state. - * It is called after the pcie and its children devices are scaned. - * @pdev: the root port or switch downstream port - */ -void pcie_aspm_init_link_state(struct pci_dev *pdev) -{ - unsigned int state; - struct pcie_link_state *link_state; - int error = 0; - - if (aspm_disabled || !pdev->is_pcie || pdev->link_state) - return; - if (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && - pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) - return; - down_read(&pci_bus_sem); - if (list_empty(&pdev->subordinate->devices)) - goto out; - - mutex_lock(&aspm_lock); - - link_state = kzalloc(sizeof(*link_state), GFP_KERNEL); - if (!link_state) - goto unlock_out; - pdev->link_state = link_state; - - pcie_aspm_configure_common_clock(pdev); - - pcie_aspm_cap_init(pdev); - - /* config link state to avoid BIOS error */ - state = pcie_aspm_check_state(pdev, policy_to_aspm_state(pdev)); - __pcie_aspm_config_link(pdev, state); - - pcie_check_clock_pm(pdev); - - link_state->pdev = pdev; - list_add(&link_state->sibiling, &link_list); - -unlock_out: - if (error) - free_link_state(pdev); - mutex_unlock(&aspm_lock); -out: - up_read(&pci_bus_sem); -} - -/* @pdev: the endpoint device */ -void pcie_aspm_exit_link_state(struct pci_dev *pdev) -{ - struct pci_dev *parent = pdev->bus->self; - struct pcie_link_state *link_state = parent->link_state; - - if (aspm_disabled || !pdev->is_pcie || !parent || !link_state) - return; - if (parent->pcie_type != PCI_EXP_TYPE_ROOT_PORT && - parent->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) - return; - down_read(&pci_bus_sem); - mutex_lock(&aspm_lock); - - /* - * All PCIe functions are in one slot, remove one function will remove - * the the whole slot, so just wait - */ - if (!list_empty(&parent->subordinate->devices)) - goto out; - - /* All functions are removed, so just disable ASPM for the link */ - __pcie_aspm_config_one_dev(parent, 0); - list_del(&link_state->sibiling); - /* Clock PM is for endpoint device */ - - free_link_state(parent); -out: - mutex_unlock(&aspm_lock); - up_read(&pci_bus_sem); -} - -/* @pdev: the root port or switch downstream port */ -void pcie_aspm_pm_state_change(struct pci_dev *pdev) -{ - struct pcie_link_state *link_state = pdev->link_state; - - if (aspm_disabled || !pdev->is_pcie || !pdev->link_state) - return; - if (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && - pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) - return; - /* - * devices changed PM state, we should recheck if latency meets all - * functions' requirement - */ - pcie_aspm_configure_link_state(pdev, link_state->enabled_state); -} - -/* - * pci_disable_link_state - disable pci device's link state, so the link will - * never enter specific states - */ -void pci_disable_link_state(struct pci_dev *pdev, int state) -{ - struct pci_dev *parent = pdev->bus->self; - struct pcie_link_state *link_state; - - if (aspm_disabled || !pdev->is_pcie) - return; - if (pdev->pcie_type == PCI_EXP_TYPE_ROOT_PORT || - pdev->pcie_type == PCI_EXP_TYPE_DOWNSTREAM) - parent = pdev; - if (!parent) - return; - - down_read(&pci_bus_sem); - mutex_lock(&aspm_lock); - link_state = parent->link_state; - link_state->support_state &= - ~(state & (PCIE_LINK_STATE_L0S|PCIE_LINK_STATE_L1)); - if (state & PCIE_LINK_STATE_CLKPM) - link_state->clk_pm_capable = 0; - - __pcie_aspm_configure_link_state(parent, link_state->enabled_state); - if (!link_state->clk_pm_capable && link_state->clk_pm_enabled) - pcie_set_clock_pm(parent, 0); - mutex_unlock(&aspm_lock); - up_read(&pci_bus_sem); -} -EXPORT_SYMBOL(pci_disable_link_state); - -static int pcie_aspm_set_policy(const char *val, struct kernel_param *kp) -{ - int i; - struct pci_dev *pdev; - struct pcie_link_state *link_state; - - for (i = 0; i < ARRAY_SIZE(policy_str); i++) - if (!strncmp(val, policy_str[i], strlen(policy_str[i]))) - break; - if (i >= ARRAY_SIZE(policy_str)) - return -EINVAL; - if (i == aspm_policy) - return 0; - - down_read(&pci_bus_sem); - mutex_lock(&aspm_lock); - aspm_policy = i; - list_for_each_entry(link_state, &link_list, sibiling) { - pdev = link_state->pdev; - __pcie_aspm_configure_link_state(pdev, - policy_to_aspm_state(pdev)); - if (link_state->clk_pm_capable && - link_state->clk_pm_enabled != policy_to_clkpm_state(pdev)) - pcie_set_clock_pm(pdev, policy_to_clkpm_state(pdev)); - - } - mutex_unlock(&aspm_lock); - up_read(&pci_bus_sem); - return 0; -} - -static int pcie_aspm_get_policy(char *buffer, struct kernel_param *kp) -{ - int i, cnt = 0; - for (i = 0; i < ARRAY_SIZE(policy_str); i++) - if (i == aspm_policy) - cnt += sprintf(buffer + cnt, "[%s] ", policy_str[i]); - else - cnt += sprintf(buffer + cnt, "%s ", policy_str[i]); - return cnt; -} - -module_param_call(policy, pcie_aspm_set_policy, pcie_aspm_get_policy, - NULL, 0644); - -#ifdef CONFIG_PCIEASPM_DEBUG -static ssize_t link_state_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct pci_dev *pci_device = to_pci_dev(dev); - struct pcie_link_state *link_state = pci_device->link_state; - - return sprintf(buf, "%d\n", link_state->enabled_state); -} - -static ssize_t link_state_store(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t n) -{ - struct pci_dev *pci_device = to_pci_dev(dev); - int state; - - if (n < 1) - return -EINVAL; - state = buf[0]-'0'; - if (state >= 0 && state <= 3) { - /* setup link aspm state */ - pcie_aspm_configure_link_state(pci_device, state); - return n; - } - - return -EINVAL; -} - -static ssize_t clk_ctl_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct pci_dev *pci_device = to_pci_dev(dev); - struct pcie_link_state *link_state = pci_device->link_state; - - return sprintf(buf, "%d\n", link_state->clk_pm_enabled); -} - -static ssize_t clk_ctl_store(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t n) -{ - struct pci_dev *pci_device = to_pci_dev(dev); - int state; - - if (n < 1) - return -EINVAL; - state = buf[0]-'0'; - - down_read(&pci_bus_sem); - mutex_lock(&aspm_lock); - pcie_set_clock_pm(pci_device, !!state); - mutex_unlock(&aspm_lock); - up_read(&pci_bus_sem); - - return n; -} - -static DEVICE_ATTR(link_state, 0644, link_state_show, link_state_store); -static DEVICE_ATTR(clk_ctl, 0644, clk_ctl_show, clk_ctl_store); - -static char power_group[] = "power"; -void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev) -{ - struct pcie_link_state *link_state = pdev->link_state; - - if (!pdev->is_pcie || (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && - pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM)) - return; - - if (link_state->support_state) - sysfs_add_file_to_group(&pdev->dev.kobj, - &dev_attr_link_state.attr, power_group); - if (link_state->clk_pm_capable) - sysfs_add_file_to_group(&pdev->dev.kobj, - &dev_attr_clk_ctl.attr, power_group); -} - -void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev) -{ - struct pcie_link_state *link_state = pdev->link_state; - - if (!pdev->is_pcie || (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && - pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM)) - return; - - if (link_state->support_state) - sysfs_remove_file_from_group(&pdev->dev.kobj, - &dev_attr_link_state.attr, power_group); - if (link_state->clk_pm_capable) - sysfs_remove_file_from_group(&pdev->dev.kobj, - &dev_attr_clk_ctl.attr, power_group); -} -#endif - -static int __init pcie_aspm_disable(char *str) -{ - aspm_disabled = 1; - return 1; -} - -__setup("pcie_noaspm", pcie_aspm_disable); - -static int __init pcie_aspm_init(void) -{ - if (aspm_disabled) - return 0; - pci_osc_support_set(OSC_ACTIVE_STATE_PWR_SUPPORT| - OSC_CLOCK_PWR_CAPABILITY_SUPPORT); - return 0; -} - -fs_initcall(pcie_aspm_init); diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 8b505bd925aa..7f5dab34d315 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -9,7 +9,6 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/cpumask.h> -#include <linux/aspm.h> #include "pci.h" #define CARDBUS_LATENCY_TIMER 176 /* secondary latency timer */ @@ -434,7 +433,7 @@ pci_alloc_child_bus(struct pci_bus *parent, struct pci_dev *bridge, int busnr) return child; } -struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr) +struct pci_bus *__ref pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr) { struct pci_bus *child; @@ -949,7 +948,7 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus) up_write(&pci_bus_sem); } -struct pci_dev *pci_scan_single_device(struct pci_bus *bus, int devfn) +struct pci_dev *__ref pci_scan_single_device(struct pci_bus *bus, int devfn) { struct pci_dev *dev; @@ -1002,10 +1001,6 @@ int pci_scan_slot(struct pci_bus *bus, int devfn) break; } } - - if (bus->self) - pcie_aspm_init_link_state(bus->self); - return nr; } @@ -1045,20 +1040,6 @@ unsigned int pci_scan_child_bus(struct pci_bus *bus) return max; } -unsigned int __devinit pci_do_scan_bus(struct pci_bus *bus) -{ - unsigned int max; - - max = pci_scan_child_bus(bus); - - /* - * Make the discovered devices available. - */ - pci_bus_add_devices(bus); - - return max; -} - struct pci_bus * pci_create_bus(struct device *parent, int bus, struct pci_ops *ops, void *sysdata) { @@ -1145,7 +1126,6 @@ EXPORT_SYMBOL(pci_scan_bus_parented); #ifdef CONFIG_HOTPLUG EXPORT_SYMBOL(pci_add_new_bus); -EXPORT_SYMBOL(pci_do_scan_bus); EXPORT_SYMBOL(pci_scan_slot); EXPORT_SYMBOL(pci_scan_bridge); EXPORT_SYMBOL_GPL(pci_scan_child_bus); diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c index ec4a82ba29a8..9684e1bde277 100644 --- a/drivers/pci/remove.c +++ b/drivers/pci/remove.c @@ -1,6 +1,5 @@ #include <linux/pci.h> #include <linux/module.h> -#include <linux/aspm.h> #include "pci.h" static void pci_free_resources(struct pci_dev *dev) @@ -31,9 +30,6 @@ static void pci_stop_dev(struct pci_dev *dev) dev->global_list.next = dev->global_list.prev = NULL; up_write(&pci_bus_sem); } - - if (dev->bus->self) - pcie_aspm_exit_link_state(dev); } static void pci_destroy_dev(struct pci_dev *dev) diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 8a7232feb553..262b0439abe9 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -456,7 +456,7 @@ pci_bus_size_cardbus(struct pci_bus *bus) } } -void pci_bus_size_bridges(struct pci_bus *bus) +void __ref pci_bus_size_bridges(struct pci_bus *bus) { struct pci_dev *dev; unsigned long mask, prefmask; @@ -511,7 +511,7 @@ void pci_bus_size_bridges(struct pci_bus *bus) } EXPORT_SYMBOL(pci_bus_size_bridges); -void pci_bus_assign_resources(struct pci_bus *bus) +void __ref pci_bus_assign_resources(struct pci_bus *bus) { struct pci_bus *b; struct pci_dev *dev; diff --git a/drivers/pcmcia/m32r_pcc.c b/drivers/pcmcia/m32r_pcc.c index c5e0d89c3ece..ec4c1253ebbb 100644 --- a/drivers/pcmcia/m32r_pcc.c +++ b/drivers/pcmcia/m32r_pcc.c @@ -368,7 +368,7 @@ static irqreturn_t pcc_interrupt(int irq, void *dev) handled = 1; irc = pcc_get(i, PCIRC); irc >>=16; - debug(2, "m32r-pcc:interrput: socket %d pcirc 0x%02x ", i, irc); + debug(2, "m32r-pcc:interrupt: socket %d pcirc 0x%02x ", i, irc); if (!irc) continue; diff --git a/drivers/pcmcia/m8xx_pcmcia.c b/drivers/pcmcia/m8xx_pcmcia.c index d182760f035b..4ea426a25909 100644 --- a/drivers/pcmcia/m8xx_pcmcia.c +++ b/drivers/pcmcia/m8xx_pcmcia.c @@ -851,7 +851,7 @@ static int m8xx_set_socket(struct pcmcia_socket *sock, socket_state_t * state) I tried to control the CxOE signal with SS_OUTPUT_ENA, but the reset signal seems connected via the 541. If the CxOE is left high are some signals tristated and - no pullups are present -> the cards act wierd. + no pullups are present -> the cards act weird. So right now the buffers are enabled if the power is on. */ if (state->Vcc || state->Vpp) diff --git a/drivers/scsi/NCR53C9x.h b/drivers/scsi/NCR53C9x.h index d85cb73a9f69..00a0ba040dba 100644 --- a/drivers/scsi/NCR53C9x.h +++ b/drivers/scsi/NCR53C9x.h @@ -1,6 +1,6 @@ /* NCR53C9x.c: Defines and structures for the NCR53C9x generic driver. * - * Originaly esp.h: Defines and structures for the Sparc ESP + * Originally esp.h: Defines and structures for the Sparc ESP * (Enhanced SCSI Processor) driver under Linux. * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c index 190568ebea3c..5a1471c370fa 100644 --- a/drivers/scsi/aha1542.c +++ b/drivers/scsi/aha1542.c @@ -21,7 +21,7 @@ * Modified by Chris Faulhaber <jedgar@fxp.org> * Added module command-line options * 19-Jul-99 - * Modified by Adam Fritzler <mid@auk.cx> + * Modified by Adam Fritzler * Added proper detection of the AHA-1640 (MCA version of AHA-1540) */ diff --git a/drivers/scsi/aic7xxx/Makefile b/drivers/scsi/aic7xxx/Makefile index e4f70c563bc2..4c549540a35d 100644 --- a/drivers/scsi/aic7xxx/Makefile +++ b/drivers/scsi/aic7xxx/Makefile @@ -44,13 +44,8 @@ clean-files += aic79xx_seq.h aic79xx_reg.h aic79xx_reg_print.c # Dependencies for generated files need to be listed explicitly -$(obj)/aic7xxx_core.o: $(obj)/aic7xxx_seq.h -$(obj)/aic7xxx_core.o: $(obj)/aic7xxx_reg.h -$(obj)/aic79xx_core.o: $(obj)/aic79xx_seq.h -$(obj)/aic79xx_core.o: $(obj)/aic79xx_reg.h - -$(addprefix $(obj)/,$(aic7xxx-y)): $(obj)/aic7xxx_seq.h -$(addprefix $(obj)/,$(aic79xx-y)): $(obj)/aic79xx_seq.h +$(addprefix $(src)/,$(aic7xxx-y:.o=.c)): $(obj)/aic7xxx_seq.h $(obj)/aic7xxx_reg.h +$(addprefix $(src)/,$(aic79xx-y:.o=.c)): $(obj)/aic79xx_seq.h $(obj)/aic79xx_reg.h aic7xxx-gen-$(CONFIG_AIC7XXX_BUILD_FIRMWARE) := $(obj)/aic7xxx_reg.h aic7xxx-gen-$(CONFIG_AIC7XXX_REG_PRETTY_PRINT) += $(obj)/aic7xxx_reg_print.c diff --git a/drivers/scsi/aic7xxx/aic79xx_inline.h b/drivers/scsi/aic7xxx/aic79xx_inline.h index 2ceb67f4af2a..45e55575a0fa 100644 --- a/drivers/scsi/aic7xxx/aic79xx_inline.h +++ b/drivers/scsi/aic7xxx/aic79xx_inline.h @@ -417,7 +417,7 @@ ahd_targetcmd_offset(struct ahd_softc *ahd, u_int index) - (uint8_t *)ahd->qoutfifo); } -/*********************** Miscelaneous Support Functions ***********************/ +/*********************** Miscellaneous Support Functions ***********************/ static __inline struct ahd_initiator_tinfo * ahd_fetch_transinfo(struct ahd_softc *ahd, char channel, u_int our_id, diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c index 014654792901..72fccd9f40df 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c @@ -325,7 +325,7 @@ MODULE_PARM_DESC(aic79xx, " verbose Enable verbose/diagnostic logging\n" " allow_memio Allow device registers to be memory mapped\n" " debug Bitmask of debug values to enable\n" -" no_reset Supress initial bus resets\n" +" no_reset Suppress initial bus resets\n" " extended Enable extended geometry on all controllers\n" " periodic_otag Send an ordered tagged transaction\n" " periodically to prevent tag starvation.\n" diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.c b/drivers/scsi/aic7xxx/aic79xx_pci.c index df853676e66a..c9f79fdf9131 100644 --- a/drivers/scsi/aic7xxx/aic79xx_pci.c +++ b/drivers/scsi/aic7xxx/aic79xx_pci.c @@ -979,7 +979,7 @@ ahd_aic790X_setup(struct ahd_softc *ahd) | AHD_FAINT_LED_BUG; /* - * IO Cell paramter setup. + * IO Cell parameter setup. */ AHD_SET_PRECOMP(ahd, AHD_PRECOMP_CUTBACK_29); @@ -1006,7 +1006,7 @@ ahd_aic790X_setup(struct ahd_softc *ahd) ahd->bugs |= AHD_INTCOLLISION_BUG|AHD_ABORT_LQI_BUG; /* - * IO Cell paramter setup. + * IO Cell parameter setup. */ AHD_SET_PRECOMP(ahd, AHD_PRECOMP_CUTBACK_29); AHD_SET_SLEWRATE(ahd, AHD_SLEWRATE_DEF_REVB); diff --git a/drivers/scsi/aic7xxx/aic7xxx_inline.h b/drivers/scsi/aic7xxx/aic7xxx_inline.h index 8e1954cdd84f..cba2f23bbe79 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_inline.h +++ b/drivers/scsi/aic7xxx/aic7xxx_inline.h @@ -229,7 +229,7 @@ ahc_name(struct ahc_softc *ahc) return (ahc->name); } -/*********************** Miscelaneous Support Functions ***********************/ +/*********************** Miscellaneous Support Functions ***********************/ static __inline void ahc_update_residual(struct ahc_softc *ahc, struct scb *scb); diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c index 99a3b33a3233..282aff6f852e 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c @@ -347,7 +347,7 @@ MODULE_PARM_DESC(aic7xxx, " debug Bitmask of debug values to enable\n" " no_probe Toggle EISA/VLB controller probing\n" " probe_eisa_vl Toggle EISA/VLB controller probing\n" -" no_reset Supress initial bus resets\n" +" no_reset Suppress initial bus resets\n" " extended Enable extended geometry on all controllers\n" " periodic_otag Send an ordered tagged transaction\n" " periodically to prevent tag starvation.\n" diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 73270ff892d9..2074701f7e76 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -7053,7 +7053,7 @@ static pci_ers_result_t ipr_pci_error_detected(struct pci_dev *pdev, * where it can accept new commands. * Return value: - * 0 on sucess / -EIO on failure + * 0 on success / -EIO on failure **/ static int __devinit ipr_probe_ioa_part2(struct ipr_ioa_cfg *ioa_cfg) { diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index 7505cca8e68e..bb152fb9fec7 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -1309,7 +1309,7 @@ ips_intr_copperhead(ips_ha_t * ha) cstatus.value = (*ha->func.statupd) (ha); if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) { - /* Spurious Interupt ? */ + /* Spurious Interrupt ? */ continue; } diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index f26b9538affe..83567b9755b4 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -325,7 +325,7 @@ struct lpfc_vport { #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */ #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */ -#define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timout */ +#define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */ #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */ #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */ diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 29b4cf9e059b..6cfeba7454d4 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -1894,7 +1894,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) uint16_t iotag; int bars = pci_select_bars(pdev, IORESOURCE_MEM); - if (pci_enable_device_bars(pdev, bars)) + if (pci_enable_device_mem(pdev)) goto out; if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME)) goto out_disable_device; diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c index dfc63f6ccd7b..7a9be4c5b7cb 100644 --- a/drivers/scsi/lpfc/lpfc_mbox.c +++ b/drivers/scsi/lpfc/lpfc_mbox.c @@ -880,7 +880,7 @@ lpfc_mbox_get(struct lpfc_hba * phba) void lpfc_mbox_cmpl_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) { - /* This function expects to be called from interupt context */ + /* This function expects to be called from interrupt context */ spin_lock(&phba->hbalock); list_add_tail(&mbq->list, &phba->sli.mboxq_cmpl); spin_unlock(&phba->hbalock); diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c index 6db77c00e3ee..9f041929aca5 100644 --- a/drivers/scsi/megaraid/megaraid_mbox.c +++ b/drivers/scsi/megaraid/megaraid_mbox.c @@ -3464,12 +3464,12 @@ megaraid_mbox_setup_device_map(adapter_t *adapter) /* * START: Interface for the common management module * - * This is the module, which interfaces with the common mangement module to + * This is the module, which interfaces with the common management module to * provide support for ioctl and sysfs */ /** - * megaraid_cmm_register - register with the mangement module + * megaraid_cmm_register - register with the management module * @adapter : HBA soft state * * Register with the management module, which allows applications to issue @@ -3557,7 +3557,7 @@ megaraid_cmm_register(adapter_t *adapter) /** - * megaraid_cmm_unregister - un-register with the mangement module + * megaraid_cmm_unregister - un-register with the management module * @adapter : HBA soft state * * Un-register with the management module. @@ -3579,7 +3579,7 @@ megaraid_cmm_unregister(adapter_t *adapter) * @kioc : CMM interface packet * @action : command action * - * This routine is invoked whenever the Common Mangement Module (CMM) has a + * This routine is invoked whenever the Common Management Module (CMM) has a * command for us. The 'action' parameter specifies if this is a new command * or otherwise. */ @@ -3944,7 +3944,7 @@ megaraid_sysfs_get_ldmap_timeout(unsigned long data) * * This routine will be called whenever user reads the logical drive * attributes, go get the current logical drive mapping table from the - * firmware. We use the managment API's to issue commands to the controller. + * firmware. We use the management API's to issue commands to the controller. * * NOTE: The commands issuance functionality is not generalized and * implemented in context of "get ld map" command only. If required, the diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index eb0784c9ff83..6226d88479f5 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -1094,7 +1094,7 @@ qla2x00_sns_rnn_id(scsi_qla_host_t *ha) } /** - * qla2x00_mgmt_svr_login() - Login to fabric Managment Service. + * qla2x00_mgmt_svr_login() - Login to fabric Management Service. * @ha: HA context * * Returns 0 on success. diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h index accaf690eaf0..d6be0762eb91 100644 --- a/drivers/scsi/qla4xxx/ql4_def.h +++ b/drivers/scsi/qla4xxx/ql4_def.h @@ -121,7 +121,7 @@ #define MAX_REQS_SERVICED_PER_INTR 16 #define ISCSI_IPADDR_SIZE 4 /* IP address size */ -#define ISCSI_ALIAS_SIZE 32 /* ISCSI Alais name size */ +#define ISCSI_ALIAS_SIZE 32 /* ISCSI Alias name size */ #define ISCSI_NAME_SIZE 0xE0 /* ISCSI Name size */ #define LSDW(x) ((u32)((u64)(x))) diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c index cbe0a17ced5f..49925f92555e 100644 --- a/drivers/scsi/qla4xxx/ql4_init.c +++ b/drivers/scsi/qla4xxx/ql4_init.c @@ -1098,7 +1098,7 @@ static int qla4xxx_start_firmware(struct scsi_qla_host *ha) } config_chip = 1; - /* Reset clears the semaphore, so aquire again */ + /* Reset clears the semaphore, so acquire again */ if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) return QLA_ERROR; } diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c index 91630baea532..3677fbb30b72 100644 --- a/drivers/scsi/scsi_tgt_lib.c +++ b/drivers/scsi/scsi_tgt_lib.c @@ -320,7 +320,7 @@ int scsi_tgt_queue_command(struct scsi_cmnd *cmd, u64 itn_id, EXPORT_SYMBOL_GPL(scsi_tgt_queue_command); /* - * This is run from a interrpt handler normally and the unmap + * This is run from a interrupt handler normally and the unmap * needs process context so we must queue */ static void scsi_tgt_cmd_done(struct scsi_cmnd *cmd) diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c index f2149d0bb999..43a964d635b4 100644 --- a/drivers/scsi/scsi_transport_sas.c +++ b/drivers/scsi/scsi_transport_sas.c @@ -6,7 +6,7 @@ * * The SAS transport class contains common code to deal with SAS HBAs, * an aproximated representation of SAS topologies in the driver model, - * and various sysfs attributes to expose these topologies and managment + * and various sysfs attributes to expose these topologies and management * interfaces to userspace. * * In addition to the basic SCSI core objects this transport class diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 8a053ea21e1d..4fa7927997ad 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -1295,8 +1295,8 @@ config SERIAL_NETX_CONSOLE depends on SERIAL_NETX select SERIAL_CORE_CONSOLE help - If you have enabled the serial port on the Motorola IMX - CPU you can make it the console by answering Y to this option. + If you have enabled the serial port on the Hilscher NetX SoC + you can make it the console by answering Y to this option. config SERIAL_OF_PLATFORM tristate "Serial port on Open Firmware platform bus" diff --git a/drivers/serial/icom.h b/drivers/serial/icom.h index 027455496745..c8029e0025c9 100644 --- a/drivers/serial/icom.h +++ b/drivers/serial/icom.h @@ -20,7 +20,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include<linux/serial_core.h> +#include <linux/serial_core.h> #define BAUD_TABLE_LIMIT ((sizeof(icom_acfg_baud)/sizeof(int)) - 1) static int icom_acfg_baud[] = { diff --git a/drivers/serial/mux.c b/drivers/serial/mux.c index 83211013deb8..e94031731a47 100644 --- a/drivers/serial/mux.c +++ b/drivers/serial/mux.c @@ -582,7 +582,7 @@ static struct parisc_driver serial_mux_driver = { }; /** - * mux_init - Serial MUX initalization procedure. + * mux_init - Serial MUX initialization procedure. * * Register the Serial MUX driver. */ diff --git a/drivers/spi/spi_imx.c b/drivers/spi/spi_imx.c index 2cd8573fb09c..639963eb1ac1 100644 --- a/drivers/spi/spi_imx.c +++ b/drivers/spi/spi_imx.c @@ -157,7 +157,7 @@ #define SPI_FIFO_BYTE_WIDTH (2) #define SPI_FIFO_OVERFLOW_MARGIN (2) -/* DMA burst lenght for half full/empty request trigger */ +/* DMA burst length for half full/empty request trigger */ #define SPI_DMA_BLR (SPI_FIFO_DEPTH * SPI_FIFO_BYTE_WIDTH / 2) /* Dummy char output to achieve reads. diff --git a/drivers/ssb/b43_pci_bridge.c b/drivers/ssb/b43_pci_bridge.c index 1a31f7a72848..2d27d6d6d08e 100644 --- a/drivers/ssb/b43_pci_bridge.c +++ b/drivers/ssb/b43_pci_bridge.c @@ -1,7 +1,7 @@ /* * Broadcom 43xx PCI-SSB bridge module * - * This technically is a seperate PCI driver module, but + * This technically is a separate PCI driver module, but * because of its small size we include it in the SSB core * instead of creating a standalone module. * diff --git a/drivers/video/aty/radeon_pm.c b/drivers/video/aty/radeon_pm.c index 83ee3e75386c..675abdafc2d8 100644 --- a/drivers/video/aty/radeon_pm.c +++ b/drivers/video/aty/radeon_pm.c @@ -2561,7 +2561,7 @@ static void radeon_set_suspend(struct radeonfb_info *rinfo, int suspend) pci_read_config_dword(rinfo->pdev, i * 4, &rinfo->cfg_save[i]); - /* Switch PCI power managment to D2. */ + /* Switch PCI power management to D2. */ pci_disable_device(rinfo->pdev); for (;;) { pci_read_config_word( diff --git a/drivers/video/cyblafb.c b/drivers/video/cyblafb.c index e23324d10be2..9704b73135f5 100644 --- a/drivers/video/cyblafb.c +++ b/drivers/video/cyblafb.c @@ -1156,7 +1156,7 @@ static struct fb_ops cyblafb_ops __devinitdata = { // need altered timings to display correctly. So I decided that it is much // better to provide a limited optimized set of modes plus the option of // using the mode in effect at startup time (might be selected using the -// vga=??? paramter). After that the user might use fbset to select any +// vga=??? parameter). After that the user might use fbset to select any // mode he likes, check_var will not try to alter geometry parameters as // it would be necessary otherwise. // diff --git a/drivers/video/intelfb/intelfb.h b/drivers/video/intelfb/intelfb.h index 2fe3f7def530..836796177942 100644 --- a/drivers/video/intelfb/intelfb.h +++ b/drivers/video/intelfb/intelfb.h @@ -111,7 +111,7 @@ #define FIXED_MODE(d) ((d)->fixed_mode) -/*** Driver paramters ***/ +/*** Driver parameters ***/ #define RINGBUFFER_SIZE KB(64) #define HW_CURSOR_SIZE KB(4) diff --git a/drivers/video/omap/lcdc.c b/drivers/video/omap/lcdc.c index 9085188d815e..fb19ed4992db 100644 --- a/drivers/video/omap/lcdc.c +++ b/drivers/video/omap/lcdc.c @@ -312,7 +312,7 @@ static irqreturn_t lcdc_irq_handler(int irq, void *dev_id) /* * Change to a new video mode. We defer this to a later time to avoid any * flicker and not to mess up the current LCD DMA context. For this we disable - * the LCD controler, which will generate a DONE irq after the last frame has + * the LCD controller, which will generate a DONE irq after the last frame has * been transferred. Then it'll be safe to reconfigure both the LCD controller * as well as the LCD DMA. */ diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c index 1be95a68d696..58f200c69be3 100644 --- a/drivers/video/sm501fb.c +++ b/drivers/video/sm501fb.c @@ -48,7 +48,7 @@ enum sm501_controller { HEAD_PANEL = 1, }; -/* SM501 memory adress */ +/* SM501 memory address */ struct sm501_mem { unsigned long size; unsigned long sm_addr; diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig index 9e33fc4da875..3dd6294d10b6 100644 --- a/drivers/virtio/Kconfig +++ b/drivers/virtio/Kconfig @@ -1,8 +1,35 @@ # Virtio always gets selected by whoever wants it. config VIRTIO - bool + tristate # Similarly the virtio ring implementation. config VIRTIO_RING - bool + tristate depends on VIRTIO + +config VIRTIO_PCI + tristate "PCI driver for virtio devices (EXPERIMENTAL)" + depends on PCI && EXPERIMENTAL + select VIRTIO + select VIRTIO_RING + ---help--- + This drivers provides support for virtio based paravirtual device + drivers over PCI. This requires that your VMM has appropriate PCI + virtio backends. Most QEMU based VMMs should support these devices + (like KVM or Xen). + + Currently, the ABI is not considered stable so there is no guarantee + that this version of the driver will work with your VMM. + + If unsure, say M. + +config VIRTIO_BALLOON + tristate "Virtio balloon driver (EXPERIMENTAL)" + select VIRTIO + select VIRTIO_RING + ---help--- + This driver supports increasing and decreasing the amount + of memory within a KVM guest. + + If unsure, say M. + diff --git a/drivers/virtio/Makefile b/drivers/virtio/Makefile index f70e40971dd9..6738c446c199 100644 --- a/drivers/virtio/Makefile +++ b/drivers/virtio/Makefile @@ -1,2 +1,4 @@ obj-$(CONFIG_VIRTIO) += virtio.o obj-$(CONFIG_VIRTIO_RING) += virtio_ring.o +obj-$(CONFIG_VIRTIO_PCI) += virtio_pci.o +obj-$(CONFIG_VIRTIO_BALLOON) += virtio_balloon.o diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 69d7ea02cd48..b535483bc556 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -102,9 +102,13 @@ static int virtio_dev_remove(struct device *_d) struct virtio_driver *drv = container_of(dev->dev.driver, struct virtio_driver, driver); - dev->config->set_status(dev, dev->config->get_status(dev) - & ~VIRTIO_CONFIG_S_DRIVER); drv->remove(dev); + + /* Driver should have reset device. */ + BUG_ON(dev->config->get_status(dev)); + + /* Acknowledge the device's existence again. */ + add_status(dev, VIRTIO_CONFIG_S_ACKNOWLEDGE); return 0; } @@ -130,6 +134,10 @@ int register_virtio_device(struct virtio_device *dev) dev->dev.bus = &virtio_bus; sprintf(dev->dev.bus_id, "%u", dev->index); + /* We always start by resetting the device, in case a previous + * driver messed it up. This also tests that code path a little. */ + dev->config->reset(dev); + /* Acknowledge that we've seen the device. */ add_status(dev, VIRTIO_CONFIG_S_ACKNOWLEDGE); @@ -148,55 +156,18 @@ void unregister_virtio_device(struct virtio_device *dev) } EXPORT_SYMBOL_GPL(unregister_virtio_device); -int __virtio_config_val(struct virtio_device *vdev, - u8 type, void *val, size_t size) -{ - void *token; - unsigned int len; - - token = vdev->config->find(vdev, type, &len); - if (!token) - return -ENOENT; - - if (len != size) - return -EIO; - - vdev->config->get(vdev, token, val, size); - return 0; -} -EXPORT_SYMBOL_GPL(__virtio_config_val); - -int virtio_use_bit(struct virtio_device *vdev, - void *token, unsigned int len, unsigned int bitnum) -{ - unsigned long bits[16]; - - /* This makes it convenient to pass-through find() results. */ - if (!token) - return 0; - - /* bit not in range of this bitfield? */ - if (bitnum * 8 >= len / 2) - return 0; - - /* Giant feature bitfields are silly. */ - BUG_ON(len > sizeof(bits)); - vdev->config->get(vdev, token, bits, len); - - if (!test_bit(bitnum, bits)) - return 0; - - /* Set acknowledge bit, and write it back. */ - set_bit(bitnum + len * 8 / 2, bits); - vdev->config->set(vdev, token, bits, len); - return 1; -} -EXPORT_SYMBOL_GPL(virtio_use_bit); - static int virtio_init(void) { if (bus_register(&virtio_bus) != 0) panic("virtio bus registration failed"); return 0; } + +static void __exit virtio_exit(void) +{ + bus_unregister(&virtio_bus); +} core_initcall(virtio_init); +module_exit(virtio_exit); + +MODULE_LICENSE("GPL"); diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c new file mode 100644 index 000000000000..622aece1acce --- /dev/null +++ b/drivers/virtio/virtio_balloon.c @@ -0,0 +1,284 @@ +/* Virtio balloon implementation, inspired by Dor Loar and Marcelo + * Tosatti's implementations. + * + * Copyright 2008 Rusty Russell IBM Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +//#define DEBUG +#include <linux/virtio.h> +#include <linux/virtio_balloon.h> +#include <linux/swap.h> +#include <linux/kthread.h> +#include <linux/freezer.h> + +struct virtio_balloon +{ + struct virtio_device *vdev; + struct virtqueue *inflate_vq, *deflate_vq; + + /* Where the ballooning thread waits for config to change. */ + wait_queue_head_t config_change; + + /* The thread servicing the balloon. */ + struct task_struct *thread; + + /* Waiting for host to ack the pages we released. */ + struct completion acked; + + /* Do we have to tell Host *before* we reuse pages? */ + bool tell_host_first; + + /* The pages we've told the Host we're not using. */ + unsigned int num_pages; + struct list_head pages; + + /* The array of pfns we tell the Host about. */ + unsigned int num_pfns; + u32 pfns[256]; +}; + +static struct virtio_device_id id_table[] = { + { VIRTIO_ID_BALLOON, VIRTIO_DEV_ANY_ID }, + { 0 }, +}; + +static void balloon_ack(struct virtqueue *vq) +{ + struct virtio_balloon *vb; + unsigned int len; + + vb = vq->vq_ops->get_buf(vq, &len); + if (vb) + complete(&vb->acked); +} + +static void tell_host(struct virtio_balloon *vb, struct virtqueue *vq) +{ + struct scatterlist sg; + + sg_init_one(&sg, vb->pfns, sizeof(vb->pfns[0]) * vb->num_pfns); + + init_completion(&vb->acked); + + /* We should always be able to add one buffer to an empty queue. */ + if (vq->vq_ops->add_buf(vq, &sg, 1, 0, vb) != 0) + BUG(); + vq->vq_ops->kick(vq); + + /* When host has read buffer, this completes via balloon_ack */ + wait_for_completion(&vb->acked); +} + +static void fill_balloon(struct virtio_balloon *vb, size_t num) +{ + /* We can only do one array worth at a time. */ + num = min(num, ARRAY_SIZE(vb->pfns)); + + for (vb->num_pfns = 0; vb->num_pfns < num; vb->num_pfns++) { + struct page *page = alloc_page(GFP_HIGHUSER | __GFP_NORETRY); + if (!page) { + if (printk_ratelimit()) + dev_printk(KERN_INFO, &vb->vdev->dev, + "Out of puff! Can't get %zu pages\n", + num); + /* Sleep for at least 1/5 of a second before retry. */ + msleep(200); + break; + } + vb->pfns[vb->num_pfns] = page_to_pfn(page); + totalram_pages--; + vb->num_pages++; + list_add(&page->lru, &vb->pages); + } + + /* Didn't get any? Oh well. */ + if (vb->num_pfns == 0) + return; + + tell_host(vb, vb->inflate_vq); +} + +static void release_pages_by_pfn(const u32 pfns[], unsigned int num) +{ + unsigned int i; + + for (i = 0; i < num; i++) { + __free_page(pfn_to_page(pfns[i])); + totalram_pages++; + } +} + +static void leak_balloon(struct virtio_balloon *vb, size_t num) +{ + struct page *page; + + /* We can only do one array worth at a time. */ + num = min(num, ARRAY_SIZE(vb->pfns)); + + for (vb->num_pfns = 0; vb->num_pfns < num; vb->num_pfns++) { + page = list_first_entry(&vb->pages, struct page, lru); + list_del(&page->lru); + vb->pfns[vb->num_pfns] = page_to_pfn(page); + vb->num_pages--; + } + + if (vb->tell_host_first) { + tell_host(vb, vb->deflate_vq); + release_pages_by_pfn(vb->pfns, vb->num_pfns); + } else { + release_pages_by_pfn(vb->pfns, vb->num_pfns); + tell_host(vb, vb->deflate_vq); + } +} + +static void virtballoon_changed(struct virtio_device *vdev) +{ + struct virtio_balloon *vb = vdev->priv; + + wake_up(&vb->config_change); +} + +static inline int towards_target(struct virtio_balloon *vb) +{ + u32 v; + __virtio_config_val(vb->vdev, + offsetof(struct virtio_balloon_config, num_pages), + &v); + return v - vb->num_pages; +} + +static void update_balloon_size(struct virtio_balloon *vb) +{ + __le32 actual = cpu_to_le32(vb->num_pages); + + vb->vdev->config->set(vb->vdev, + offsetof(struct virtio_balloon_config, actual), + &actual, sizeof(actual)); +} + +static int balloon(void *_vballoon) +{ + struct virtio_balloon *vb = _vballoon; + + set_freezable(); + while (!kthread_should_stop()) { + int diff; + + try_to_freeze(); + wait_event_interruptible(vb->config_change, + (diff = towards_target(vb)) != 0 + || kthread_should_stop()); + if (diff > 0) + fill_balloon(vb, diff); + else if (diff < 0) + leak_balloon(vb, -diff); + update_balloon_size(vb); + } + return 0; +} + +static int virtballoon_probe(struct virtio_device *vdev) +{ + struct virtio_balloon *vb; + int err; + + vdev->priv = vb = kmalloc(sizeof(*vb), GFP_KERNEL); + if (!vb) { + err = -ENOMEM; + goto out; + } + + INIT_LIST_HEAD(&vb->pages); + vb->num_pages = 0; + init_waitqueue_head(&vb->config_change); + vb->vdev = vdev; + + /* We expect two virtqueues. */ + vb->inflate_vq = vdev->config->find_vq(vdev, 0, balloon_ack); + if (IS_ERR(vb->inflate_vq)) { + err = PTR_ERR(vb->inflate_vq); + goto out_free_vb; + } + + vb->deflate_vq = vdev->config->find_vq(vdev, 1, balloon_ack); + if (IS_ERR(vb->deflate_vq)) { + err = PTR_ERR(vb->deflate_vq); + goto out_del_inflate_vq; + } + + vb->thread = kthread_run(balloon, vb, "vballoon"); + if (IS_ERR(vb->thread)) { + err = PTR_ERR(vb->thread); + goto out_del_deflate_vq; + } + + vb->tell_host_first + = vdev->config->feature(vdev, VIRTIO_BALLOON_F_MUST_TELL_HOST); + + return 0; + +out_del_deflate_vq: + vdev->config->del_vq(vb->deflate_vq); +out_del_inflate_vq: + vdev->config->del_vq(vb->inflate_vq); +out_free_vb: + kfree(vb); +out: + return err; +} + +static void virtballoon_remove(struct virtio_device *vdev) +{ + struct virtio_balloon *vb = vdev->priv; + + kthread_stop(vb->thread); + + /* There might be pages left in the balloon: free them. */ + while (vb->num_pages) + leak_balloon(vb, vb->num_pages); + + /* Now we reset the device so we can clean up the queues. */ + vdev->config->reset(vdev); + + vdev->config->del_vq(vb->deflate_vq); + vdev->config->del_vq(vb->inflate_vq); + kfree(vb); +} + +static struct virtio_driver virtio_balloon = { + .driver.name = KBUILD_MODNAME, + .driver.owner = THIS_MODULE, + .id_table = id_table, + .probe = virtballoon_probe, + .remove = __devexit_p(virtballoon_remove), + .config_changed = virtballoon_changed, +}; + +static int __init init(void) +{ + return register_virtio_driver(&virtio_balloon); +} + +static void __exit fini(void) +{ + unregister_virtio_driver(&virtio_balloon); +} +module_init(init); +module_exit(fini); + +MODULE_DEVICE_TABLE(virtio, id_table); +MODULE_DESCRIPTION("Virtio balloon driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c new file mode 100644 index 000000000000..26f787ddd5ff --- /dev/null +++ b/drivers/virtio/virtio_pci.c @@ -0,0 +1,446 @@ +/* + * Virtio PCI driver + * + * This module allows virtio devices to be used over a virtual PCI device. + * This can be used with QEMU based VMMs like KVM or Xen. + * + * Copyright IBM Corp. 2007 + * + * Authors: + * Anthony Liguori <aliguori@us.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#include <linux/module.h> +#include <linux/list.h> +#include <linux/pci.h> +#include <linux/interrupt.h> +#include <linux/virtio.h> +#include <linux/virtio_config.h> +#include <linux/virtio_ring.h> +#include <linux/virtio_pci.h> +#include <linux/highmem.h> +#include <linux/spinlock.h> + +MODULE_AUTHOR("Anthony Liguori <aliguori@us.ibm.com>"); +MODULE_DESCRIPTION("virtio-pci"); +MODULE_LICENSE("GPL"); +MODULE_VERSION("1"); + +/* Our device structure */ +struct virtio_pci_device +{ + struct virtio_device vdev; + struct pci_dev *pci_dev; + + /* the IO mapping for the PCI config space */ + void *ioaddr; + + /* a list of queues so we can dispatch IRQs */ + spinlock_t lock; + struct list_head virtqueues; +}; + +struct virtio_pci_vq_info +{ + /* the actual virtqueue */ + struct virtqueue *vq; + + /* the number of entries in the queue */ + int num; + + /* the index of the queue */ + int queue_index; + + /* the virtual address of the ring queue */ + void *queue; + + /* the list node for the virtqueues list */ + struct list_head node; +}; + +/* Qumranet donated their vendor ID for devices 0x1000 thru 0x10FF. */ +static struct pci_device_id virtio_pci_id_table[] = { + { 0x1af4, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + { 0 }, +}; + +MODULE_DEVICE_TABLE(pci, virtio_pci_id_table); + +/* A PCI device has it's own struct device and so does a virtio device so + * we create a place for the virtio devices to show up in sysfs. I think it + * would make more sense for virtio to not insist on having it's own device. */ +static struct device virtio_pci_root = { + .parent = NULL, + .bus_id = "virtio-pci", +}; + +/* Unique numbering for devices under the kvm root */ +static unsigned int dev_index; + +/* Convert a generic virtio device to our structure */ +static struct virtio_pci_device *to_vp_device(struct virtio_device *vdev) +{ + return container_of(vdev, struct virtio_pci_device, vdev); +} + +/* virtio config->feature() implementation */ +static bool vp_feature(struct virtio_device *vdev, unsigned bit) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vdev); + u32 mask; + + /* Since this function is supposed to have the side effect of + * enabling a queried feature, we simulate that by doing a read + * from the host feature bitmask and then writing to the guest + * feature bitmask */ + mask = ioread32(vp_dev->ioaddr + VIRTIO_PCI_HOST_FEATURES); + if (mask & (1 << bit)) { + mask |= (1 << bit); + iowrite32(mask, vp_dev->ioaddr + VIRTIO_PCI_GUEST_FEATURES); + } + + return !!(mask & (1 << bit)); +} + +/* virtio config->get() implementation */ +static void vp_get(struct virtio_device *vdev, unsigned offset, + void *buf, unsigned len) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vdev); + void *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset; + u8 *ptr = buf; + int i; + + for (i = 0; i < len; i++) + ptr[i] = ioread8(ioaddr + i); +} + +/* the config->set() implementation. it's symmetric to the config->get() + * implementation */ +static void vp_set(struct virtio_device *vdev, unsigned offset, + const void *buf, unsigned len) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vdev); + void *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset; + const u8 *ptr = buf; + int i; + + for (i = 0; i < len; i++) + iowrite8(ptr[i], ioaddr + i); +} + +/* config->{get,set}_status() implementations */ +static u8 vp_get_status(struct virtio_device *vdev) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vdev); + return ioread8(vp_dev->ioaddr + VIRTIO_PCI_STATUS); +} + +static void vp_set_status(struct virtio_device *vdev, u8 status) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vdev); + /* We should never be setting status to 0. */ + BUG_ON(status == 0); + return iowrite8(status, vp_dev->ioaddr + VIRTIO_PCI_STATUS); +} + +static void vp_reset(struct virtio_device *vdev) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vdev); + /* 0 status means a reset. */ + return iowrite8(0, vp_dev->ioaddr + VIRTIO_PCI_STATUS); +} + +/* the notify function used when creating a virt queue */ +static void vp_notify(struct virtqueue *vq) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); + struct virtio_pci_vq_info *info = vq->priv; + + /* we write the queue's selector into the notification register to + * signal the other end */ + iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_NOTIFY); +} + +/* A small wrapper to also acknowledge the interrupt when it's handled. + * I really need an EIO hook for the vring so I can ack the interrupt once we + * know that we'll be handling the IRQ but before we invoke the callback since + * the callback may notify the host which results in the host attempting to + * raise an interrupt that we would then mask once we acknowledged the + * interrupt. */ +static irqreturn_t vp_interrupt(int irq, void *opaque) +{ + struct virtio_pci_device *vp_dev = opaque; + struct virtio_pci_vq_info *info; + irqreturn_t ret = IRQ_NONE; + u8 isr; + + /* reading the ISR has the effect of also clearing it so it's very + * important to save off the value. */ + isr = ioread8(vp_dev->ioaddr + VIRTIO_PCI_ISR); + + /* It's definitely not us if the ISR was not high */ + if (!isr) + return IRQ_NONE; + + /* Configuration change? Tell driver if it wants to know. */ + if (isr & VIRTIO_PCI_ISR_CONFIG) { + struct virtio_driver *drv; + drv = container_of(vp_dev->vdev.dev.driver, + struct virtio_driver, driver); + + if (drv->config_changed) + drv->config_changed(&vp_dev->vdev); + } + + spin_lock(&vp_dev->lock); + list_for_each_entry(info, &vp_dev->virtqueues, node) { + if (vring_interrupt(irq, info->vq) == IRQ_HANDLED) + ret = IRQ_HANDLED; + } + spin_unlock(&vp_dev->lock); + + return ret; +} + +/* the config->find_vq() implementation */ +static struct virtqueue *vp_find_vq(struct virtio_device *vdev, unsigned index, + void (*callback)(struct virtqueue *vq)) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vdev); + struct virtio_pci_vq_info *info; + struct virtqueue *vq; + u16 num; + int err; + + /* Select the queue we're interested in */ + iowrite16(index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_SEL); + + /* Check if queue is either not available or already active. */ + num = ioread16(vp_dev->ioaddr + VIRTIO_PCI_QUEUE_NUM); + if (!num || ioread32(vp_dev->ioaddr + VIRTIO_PCI_QUEUE_PFN)) + return ERR_PTR(-ENOENT); + + /* allocate and fill out our structure the represents an active + * queue */ + info = kmalloc(sizeof(struct virtio_pci_vq_info), GFP_KERNEL); + if (!info) + return ERR_PTR(-ENOMEM); + + info->queue_index = index; + info->num = num; + + info->queue = kzalloc(PAGE_ALIGN(vring_size(num,PAGE_SIZE)), GFP_KERNEL); + if (info->queue == NULL) { + err = -ENOMEM; + goto out_info; + } + + /* activate the queue */ + iowrite32(virt_to_phys(info->queue) >> PAGE_SHIFT, + vp_dev->ioaddr + VIRTIO_PCI_QUEUE_PFN); + + /* create the vring */ + vq = vring_new_virtqueue(info->num, vdev, info->queue, + vp_notify, callback); + if (!vq) { + err = -ENOMEM; + goto out_activate_queue; + } + + vq->priv = info; + info->vq = vq; + + spin_lock(&vp_dev->lock); + list_add(&info->node, &vp_dev->virtqueues); + spin_unlock(&vp_dev->lock); + + return vq; + +out_activate_queue: + iowrite32(0, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_PFN); + kfree(info->queue); +out_info: + kfree(info); + return ERR_PTR(err); +} + +/* the config->del_vq() implementation */ +static void vp_del_vq(struct virtqueue *vq) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); + struct virtio_pci_vq_info *info = vq->priv; + + spin_lock(&vp_dev->lock); + list_del(&info->node); + spin_unlock(&vp_dev->lock); + + vring_del_virtqueue(vq); + + /* Select and deactivate the queue */ + iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_SEL); + iowrite32(0, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_PFN); + + kfree(info->queue); + kfree(info); +} + +static struct virtio_config_ops virtio_pci_config_ops = { + .feature = vp_feature, + .get = vp_get, + .set = vp_set, + .get_status = vp_get_status, + .set_status = vp_set_status, + .reset = vp_reset, + .find_vq = vp_find_vq, + .del_vq = vp_del_vq, +}; + +/* the PCI probing function */ +static int __devinit virtio_pci_probe(struct pci_dev *pci_dev, + const struct pci_device_id *id) +{ + struct virtio_pci_device *vp_dev; + int err; + + /* We only own devices >= 0x1000 and <= 0x103f: leave the rest. */ + if (pci_dev->device < 0x1000 || pci_dev->device > 0x103f) + return -ENODEV; + + if (pci_dev->revision != VIRTIO_PCI_ABI_VERSION) { + printk(KERN_ERR "virtio_pci: expected ABI version %d, got %d\n", + VIRTIO_PCI_ABI_VERSION, pci_dev->revision); + return -ENODEV; + } + + /* allocate our structure and fill it out */ + vp_dev = kzalloc(sizeof(struct virtio_pci_device), GFP_KERNEL); + if (vp_dev == NULL) + return -ENOMEM; + + snprintf(vp_dev->vdev.dev.bus_id, BUS_ID_SIZE, "virtio%d", dev_index); + vp_dev->vdev.index = dev_index; + dev_index++; + + vp_dev->vdev.dev.parent = &virtio_pci_root; + vp_dev->vdev.config = &virtio_pci_config_ops; + vp_dev->pci_dev = pci_dev; + INIT_LIST_HEAD(&vp_dev->virtqueues); + spin_lock_init(&vp_dev->lock); + + /* enable the device */ + err = pci_enable_device(pci_dev); + if (err) + goto out; + + err = pci_request_regions(pci_dev, "virtio-pci"); + if (err) + goto out_enable_device; + + vp_dev->ioaddr = pci_iomap(pci_dev, 0, 0); + if (vp_dev->ioaddr == NULL) + goto out_req_regions; + + pci_set_drvdata(pci_dev, vp_dev); + + /* we use the subsystem vendor/device id as the virtio vendor/device + * id. this allows us to use the same PCI vendor/device id for all + * virtio devices and to identify the particular virtio driver by + * the subsytem ids */ + vp_dev->vdev.id.vendor = pci_dev->subsystem_vendor; + vp_dev->vdev.id.device = pci_dev->subsystem_device; + + /* register a handler for the queue with the PCI device's interrupt */ + err = request_irq(vp_dev->pci_dev->irq, vp_interrupt, IRQF_SHARED, + vp_dev->vdev.dev.bus_id, vp_dev); + if (err) + goto out_set_drvdata; + + /* finally register the virtio device */ + err = register_virtio_device(&vp_dev->vdev); + if (err) + goto out_req_irq; + + return 0; + +out_req_irq: + free_irq(pci_dev->irq, vp_dev); +out_set_drvdata: + pci_set_drvdata(pci_dev, NULL); + pci_iounmap(pci_dev, vp_dev->ioaddr); +out_req_regions: + pci_release_regions(pci_dev); +out_enable_device: + pci_disable_device(pci_dev); +out: + kfree(vp_dev); + return err; +} + +static void __devexit virtio_pci_remove(struct pci_dev *pci_dev) +{ + struct virtio_pci_device *vp_dev = pci_get_drvdata(pci_dev); + + free_irq(pci_dev->irq, vp_dev); + pci_set_drvdata(pci_dev, NULL); + pci_iounmap(pci_dev, vp_dev->ioaddr); + pci_release_regions(pci_dev); + pci_disable_device(pci_dev); + kfree(vp_dev); +} + +#ifdef CONFIG_PM +static int virtio_pci_suspend(struct pci_dev *pci_dev, pm_message_t state) +{ + pci_save_state(pci_dev); + pci_set_power_state(pci_dev, PCI_D3hot); + return 0; +} + +static int virtio_pci_resume(struct pci_dev *pci_dev) +{ + pci_restore_state(pci_dev); + pci_set_power_state(pci_dev, PCI_D0); + return 0; +} +#endif + +static struct pci_driver virtio_pci_driver = { + .name = "virtio-pci", + .id_table = virtio_pci_id_table, + .probe = virtio_pci_probe, + .remove = virtio_pci_remove, +#ifdef CONFIG_PM + .suspend = virtio_pci_suspend, + .resume = virtio_pci_resume, +#endif +}; + +static int __init virtio_pci_init(void) +{ + int err; + + err = device_register(&virtio_pci_root); + if (err) + return err; + + err = pci_register_driver(&virtio_pci_driver); + if (err) + device_unregister(&virtio_pci_root); + + return err; +} + +module_init(virtio_pci_init); + +static void __exit virtio_pci_exit(void) +{ + device_unregister(&virtio_pci_root); + pci_unregister_driver(&virtio_pci_driver); +} + +module_exit(virtio_pci_exit); diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 1dc04b6684e6..3a28c1382131 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -87,6 +87,8 @@ static int vring_add_buf(struct virtqueue *_vq, if (vq->num_free < out + in) { pr_debug("Can't add buf len %i - avail = %i\n", out + in, vq->num_free); + /* We notify *even if* VRING_USED_F_NO_NOTIFY is set here. */ + vq->notify(&vq->vq); END_USE(vq); return -ENOSPC; } @@ -97,16 +99,14 @@ static int vring_add_buf(struct virtqueue *_vq, head = vq->free_head; for (i = vq->free_head; out; i = vq->vring.desc[i].next, out--) { vq->vring.desc[i].flags = VRING_DESC_F_NEXT; - vq->vring.desc[i].addr = (page_to_pfn(sg_page(sg))<<PAGE_SHIFT) - + sg->offset; + vq->vring.desc[i].addr = sg_phys(sg); vq->vring.desc[i].len = sg->length; prev = i; sg++; } for (; in; i = vq->vring.desc[i].next, in--) { vq->vring.desc[i].flags = VRING_DESC_F_NEXT|VRING_DESC_F_WRITE; - vq->vring.desc[i].addr = (page_to_pfn(sg_page(sg))<<PAGE_SHIFT) - + sg->offset; + vq->vring.desc[i].addr = sg_phys(sg); vq->vring.desc[i].len = sg->length; prev = i; sg++; @@ -171,16 +171,6 @@ static void detach_buf(struct vring_virtqueue *vq, unsigned int head) vq->num_free++; } -/* FIXME: We need to tell other side about removal, to synchronize. */ -static void vring_shutdown(struct virtqueue *_vq) -{ - struct vring_virtqueue *vq = to_vvq(_vq); - unsigned int i; - - for (i = 0; i < vq->vring.num; i++) - detach_buf(vq, i); -} - static inline bool more_used(const struct vring_virtqueue *vq) { return vq->last_used_idx != vq->vring.used->idx; @@ -220,7 +210,17 @@ static void *vring_get_buf(struct virtqueue *_vq, unsigned int *len) return ret; } -static bool vring_restart(struct virtqueue *_vq) +static void vring_disable_cb(struct virtqueue *_vq) +{ + struct vring_virtqueue *vq = to_vvq(_vq); + + START_USE(vq); + BUG_ON(vq->vring.avail->flags & VRING_AVAIL_F_NO_INTERRUPT); + vq->vring.avail->flags |= VRING_AVAIL_F_NO_INTERRUPT; + END_USE(vq); +} + +static bool vring_enable_cb(struct virtqueue *_vq) { struct vring_virtqueue *vq = to_vvq(_vq); @@ -253,26 +253,34 @@ irqreturn_t vring_interrupt(int irq, void *_vq) if (unlikely(vq->broken)) return IRQ_HANDLED; + /* Other side may have missed us turning off the interrupt, + * but we should preserve disable semantic for virtio users. */ + if (unlikely(vq->vring.avail->flags & VRING_AVAIL_F_NO_INTERRUPT)) { + pr_debug("virtqueue interrupt after disable for %p\n", vq); + return IRQ_HANDLED; + } + pr_debug("virtqueue callback for %p (%p)\n", vq, vq->vq.callback); - if (vq->vq.callback && !vq->vq.callback(&vq->vq)) - vq->vring.avail->flags |= VRING_AVAIL_F_NO_INTERRUPT; + if (vq->vq.callback) + vq->vq.callback(&vq->vq); return IRQ_HANDLED; } +EXPORT_SYMBOL_GPL(vring_interrupt); static struct virtqueue_ops vring_vq_ops = { .add_buf = vring_add_buf, .get_buf = vring_get_buf, .kick = vring_kick, - .restart = vring_restart, - .shutdown = vring_shutdown, + .disable_cb = vring_disable_cb, + .enable_cb = vring_enable_cb, }; struct virtqueue *vring_new_virtqueue(unsigned int num, struct virtio_device *vdev, void *pages, void (*notify)(struct virtqueue *), - bool (*callback)(struct virtqueue *)) + void (*callback)(struct virtqueue *)) { struct vring_virtqueue *vq; unsigned int i; @@ -311,9 +319,12 @@ struct virtqueue *vring_new_virtqueue(unsigned int num, return &vq->vq; } +EXPORT_SYMBOL_GPL(vring_new_virtqueue); void vring_del_virtqueue(struct virtqueue *vq) { kfree(to_vvq(vq)); } +EXPORT_SYMBOL_GPL(vring_del_virtqueue); +MODULE_LICENSE("GPL"); diff --git a/drivers/watchdog/shwdt.c b/drivers/watchdog/shwdt.c index cecbedd473a4..61dde863bd40 100644 --- a/drivers/watchdog/shwdt.c +++ b/drivers/watchdog/shwdt.c @@ -52,7 +52,7 @@ * overflow periods respectively. * * Also, since we can't really expect userspace to be responsive enough - * before the overflow happens, we maintain two seperate timers .. One in + * before the overflow happens, we maintain two separate timers .. One in * the kernel for clearing out WOVF every 2ms or so (again, this depends on * HZ == 1000), and another for monitoring userspace writes to the WDT device. * diff --git a/fs/befs/btree.c b/fs/befs/btree.c index af5bb93276f8..4202db7496cb 100644 --- a/fs/befs/btree.c +++ b/fs/befs/btree.c @@ -232,7 +232,7 @@ befs_bt_read_node(struct super_block *sb, befs_data_stream * ds, * @key: Key string to lookup in btree * @value: Value stored with @key * - * On sucess, returns BEFS_OK and sets *@value to the value stored + * On success, returns BEFS_OK and sets *@value to the value stored * with @key (usually the disk block number of an inode). * * On failure, returns BEFS_ERR or BEFS_BT_NOT_FOUND. diff --git a/fs/befs/datastream.c b/fs/befs/datastream.c index aacb4da6298a..e3287d0d1a58 100644 --- a/fs/befs/datastream.c +++ b/fs/befs/datastream.c @@ -236,7 +236,7 @@ befs_count_blocks(struct super_block * sb, befs_data_stream * ds) as in the indirect region code). When/if blockno is found, if blockno is inside of a block - run as stored on disk, we offset the start and lenght members + run as stored on disk, we offset the start and length members of the block run, so that blockno is the start and len is still valid (the run ends in the same place). diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 18ed6dd906c1..4628c42ca892 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -117,7 +117,7 @@ static int padzero(unsigned long elf_bss) return 0; } -/* Let's use some macros to make this stack manipulation a litle clearer */ +/* Let's use some macros to make this stack manipulation a little clearer */ #ifdef CONFIG_STACK_GROWSUP #define STACK_ADD(sp, items) ((elf_addr_t __user *)(sp) + (items)) #define STACK_ROUND(sp, items) \ diff --git a/fs/freevxfs/vxfs_dir.h b/fs/freevxfs/vxfs_dir.h index 3c96d6e63978..aaf1fb098639 100644 --- a/fs/freevxfs/vxfs_dir.h +++ b/fs/freevxfs/vxfs_dir.h @@ -41,7 +41,7 @@ * VxFS directory block header. * * This entry is the head of every filesystem block in a directory. - * It is used for free space managment and additionally includes + * It is used for free space management and additionally includes * a hash for speeding up directory search (lookup). * * The hash may be empty and in fact we do not use it all in the diff --git a/fs/freevxfs/vxfs_immed.c b/fs/freevxfs/vxfs_immed.c index 24b5a775ff96..8a5959a61ba9 100644 --- a/fs/freevxfs/vxfs_immed.c +++ b/fs/freevxfs/vxfs_immed.c @@ -54,7 +54,7 @@ const struct inode_operations vxfs_immed_symlink_iops = { }; /* - * Adress space operations for immed files and directories. + * Address space operations for immed files and directories. */ const struct address_space_operations vxfs_immed_aops = { .readpage = vxfs_immed_readpage, diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c index b249e294a95b..6fb07d67ca8a 100644 --- a/fs/gfs2/recovery.c +++ b/fs/gfs2/recovery.c @@ -450,7 +450,7 @@ int gfs2_recover_journal(struct gfs2_jdesc *jd) fs_info(sdp, "jid=%u: Trying to acquire journal lock...\n", jd->jd_jid); - /* Aquire the journal lock so we can do recovery */ + /* Acquire the journal lock so we can do recovery */ error = gfs2_glock_nq_num(sdp, jd->jd_jid, &gfs2_journal_glops, LM_ST_EXCLUSIVE, diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c index 2eae5d2dbebe..6c1ba3566f58 100644 --- a/fs/jffs2/readinode.c +++ b/fs/jffs2/readinode.c @@ -741,7 +741,7 @@ static inline int read_dnode(struct jffs2_sb_info *c, struct jffs2_raw_node_ref * are not obsolete. * * Of course, this optimization only makes sense in case - * of NAND flashes (or other flashes whith + * of NAND flashes (or other flashes with * !jffs2_can_mark_obsolete()), since on NOR flashes * nodes are marked obsolete physically. * diff --git a/fs/jfs/jfs_xtree.c b/fs/jfs/jfs_xtree.c index 1543906a2e0d..a000aaa75136 100644 --- a/fs/jfs/jfs_xtree.c +++ b/fs/jfs/jfs_xtree.c @@ -3965,7 +3965,7 @@ s64 xtTruncate(tid_t tid, struct inode *ip, s64 newsize, int flag) * xtTruncate_pmap() * * function: - * Perform truncate to zero lenghth for deleted file, leaving the + * Perform truncate to zero length for deleted file, leaving the * the xtree and working map untouched. This allows the file to * be accessed via open file handles, while the delete of the file * is committed to disk. diff --git a/fs/locks.c b/fs/locks.c index 8b8388eca05e..49354b9c7dc1 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -125,6 +125,7 @@ #include <linux/syscalls.h> #include <linux/time.h> #include <linux/rcupdate.h> +#include <linux/pid_namespace.h> #include <asm/semaphore.h> #include <asm/uaccess.h> @@ -185,6 +186,7 @@ void locks_init_lock(struct file_lock *fl) fl->fl_fasync = NULL; fl->fl_owner = NULL; fl->fl_pid = 0; + fl->fl_nspid = NULL; fl->fl_file = NULL; fl->fl_flags = 0; fl->fl_type = 0; @@ -553,6 +555,8 @@ static void locks_insert_lock(struct file_lock **pos, struct file_lock *fl) { list_add(&fl->fl_link, &file_lock_list); + fl->fl_nspid = get_pid(task_tgid(current)); + /* insert into file's list */ fl->fl_next = *pos; *pos = fl; @@ -584,6 +588,11 @@ static void locks_delete_lock(struct file_lock **thisfl_p) if (fl->fl_ops && fl->fl_ops->fl_remove) fl->fl_ops->fl_remove(fl); + if (fl->fl_nspid) { + put_pid(fl->fl_nspid); + fl->fl_nspid = NULL; + } + locks_wake_up_blocks(fl); locks_free_lock(fl); } @@ -634,33 +643,6 @@ static int flock_locks_conflict(struct file_lock *caller_fl, struct file_lock *s return (locks_conflict(caller_fl, sys_fl)); } -static int interruptible_sleep_on_locked(wait_queue_head_t *fl_wait, int timeout) -{ - int result = 0; - DECLARE_WAITQUEUE(wait, current); - - __set_current_state(TASK_INTERRUPTIBLE); - add_wait_queue(fl_wait, &wait); - if (timeout == 0) - schedule(); - else - result = schedule_timeout(timeout); - if (signal_pending(current)) - result = -ERESTARTSYS; - remove_wait_queue(fl_wait, &wait); - __set_current_state(TASK_RUNNING); - return result; -} - -static int locks_block_on_timeout(struct file_lock *blocker, struct file_lock *waiter, int time) -{ - int result; - locks_insert_block(blocker, waiter); - result = interruptible_sleep_on_locked(&waiter->fl_wait, time); - __locks_delete_block(waiter); - return result; -} - void posix_test_lock(struct file *filp, struct file_lock *fl) { @@ -673,55 +655,67 @@ posix_test_lock(struct file *filp, struct file_lock *fl) if (posix_locks_conflict(fl, cfl)) break; } - if (cfl) + if (cfl) { __locks_copy_lock(fl, cfl); - else + if (cfl->fl_nspid) + fl->fl_pid = pid_nr_ns(cfl->fl_nspid, + task_active_pid_ns(current)); + } else fl->fl_type = F_UNLCK; unlock_kernel(); return; } - EXPORT_SYMBOL(posix_test_lock); -/* This function tests for deadlock condition before putting a process to - * sleep. The detection scheme is no longer recursive. Recursive was neat, - * but dangerous - we risked stack corruption if the lock data was bad, or - * if the recursion was too deep for any other reason. +/* + * Deadlock detection: + * + * We attempt to detect deadlocks that are due purely to posix file + * locks. * - * We rely on the fact that a task can only be on one lock's wait queue - * at a time. When we find blocked_task on a wait queue we can re-search - * with blocked_task equal to that queue's owner, until either blocked_task - * isn't found, or blocked_task is found on a queue owned by my_task. + * We assume that a task can be waiting for at most one lock at a time. + * So for any acquired lock, the process holding that lock may be + * waiting on at most one other lock. That lock in turns may be held by + * someone waiting for at most one other lock. Given a requested lock + * caller_fl which is about to wait for a conflicting lock block_fl, we + * follow this chain of waiters to ensure we are not about to create a + * cycle. * - * Note: the above assumption may not be true when handling lock requests - * from a broken NFS client. But broken NFS clients have a lot more to - * worry about than proper deadlock detection anyway... --okir + * Since we do this before we ever put a process to sleep on a lock, we + * are ensured that there is never a cycle; that is what guarantees that + * the while() loop in posix_locks_deadlock() eventually completes. * - * However, the failure of this assumption (also possible in the case of - * multiple tasks sharing the same open file table) also means there's no - * guarantee that the loop below will terminate. As a hack, we give up - * after a few iterations. + * Note: the above assumption may not be true when handling lock + * requests from a broken NFS client. It may also fail in the presence + * of tasks (such as posix threads) sharing the same open file table. + * + * To handle those cases, we just bail out after a few iterations. */ #define MAX_DEADLK_ITERATIONS 10 +/* Find a lock that the owner of the given block_fl is blocking on. */ +static struct file_lock *what_owner_is_waiting_for(struct file_lock *block_fl) +{ + struct file_lock *fl; + + list_for_each_entry(fl, &blocked_list, fl_link) { + if (posix_same_owner(fl, block_fl)) + return fl->fl_next; + } + return NULL; +} + static int posix_locks_deadlock(struct file_lock *caller_fl, struct file_lock *block_fl) { - struct file_lock *fl; int i = 0; -next_task: - if (posix_same_owner(caller_fl, block_fl)) - return 1; - list_for_each_entry(fl, &blocked_list, fl_link) { - if (posix_same_owner(fl, block_fl)) { - if (i++ > MAX_DEADLK_ITERATIONS) - return 0; - fl = fl->fl_next; - block_fl = fl; - goto next_task; - } + while ((block_fl = what_owner_is_waiting_for(block_fl))) { + if (i++ > MAX_DEADLK_ITERATIONS) + return 0; + if (posix_same_owner(caller_fl, block_fl)) + return 1; } return 0; } @@ -1256,7 +1250,10 @@ restart: if (break_time == 0) break_time++; } - error = locks_block_on_timeout(flock, new_fl, break_time); + locks_insert_block(flock, new_fl); + error = wait_event_interruptible_timeout(new_fl->fl_wait, + !new_fl->fl_next, break_time); + __locks_delete_block(new_fl); if (error >= 0) { if (error == 0) time_out_leases(inode); @@ -2084,6 +2081,12 @@ static void lock_get_status(struct seq_file *f, struct file_lock *fl, int id, char *pfx) { struct inode *inode = NULL; + unsigned int fl_pid; + + if (fl->fl_nspid) + fl_pid = pid_nr_ns(fl->fl_nspid, task_active_pid_ns(current)); + else + fl_pid = fl->fl_pid; if (fl->fl_file != NULL) inode = fl->fl_file->f_path.dentry->d_inode; @@ -2124,16 +2127,16 @@ static void lock_get_status(struct seq_file *f, struct file_lock *fl, } if (inode) { #ifdef WE_CAN_BREAK_LSLK_NOW - seq_printf(f, "%d %s:%ld ", fl->fl_pid, + seq_printf(f, "%d %s:%ld ", fl_pid, inode->i_sb->s_id, inode->i_ino); #else /* userspace relies on this representation of dev_t ;-( */ - seq_printf(f, "%d %02x:%02x:%ld ", fl->fl_pid, + seq_printf(f, "%d %02x:%02x:%ld ", fl_pid, MAJOR(inode->i_sb->s_dev), MINOR(inode->i_sb->s_dev), inode->i_ino); #endif } else { - seq_printf(f, "%d <none>:0 ", fl->fl_pid); + seq_printf(f, "%d <none>:0 ", fl_pid); } if (IS_POSIX(fl)) { if (fl->fl_end == OFFSET_MAX) diff --git a/fs/ncpfs/mmap.c b/fs/ncpfs/mmap.c index a94473d3072c..5d8dcb9ee326 100644 --- a/fs/ncpfs/mmap.c +++ b/fs/ncpfs/mmap.c @@ -50,10 +50,6 @@ static int ncp_file_mmap_fault(struct vm_area_struct *area, pos = vmf->pgoff << PAGE_SHIFT; count = PAGE_SIZE; - if ((unsigned long)vmf->virtual_address + PAGE_SIZE > area->vm_end) { - WARN_ON(1); /* shouldn't happen? */ - count = area->vm_end - (unsigned long)vmf->virtual_address; - } /* what we can read in one go */ bufsize = NCP_SERVER(inode)->buffer_size; diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index e6df06ac6405..64713e149e46 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -3338,7 +3338,7 @@ static int ocfs2_insert_path(struct inode *inode, if (insert->ins_split != SPLIT_NONE) { /* * We could call ocfs2_insert_at_leaf() for some types - * of splits, but it's easier to just let one seperate + * of splits, but it's easier to just let one separate * function sort it all out. */ ocfs2_split_record(inode, left_path, right_path, diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 6b0107f21344..e280833ceb9a 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -1215,7 +1215,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, down_write(&oi->ip_alloc_sem); /* - * Prepare for worst case allocation scenario of two seperate + * Prepare for worst case allocation scenario of two separate * extents. */ if (alloc == 2) diff --git a/fs/ocfs2/ocfs1_fs_compat.h b/fs/ocfs2/ocfs1_fs_compat.h index 0b499bccec5a..dfb313bda5dd 100644 --- a/fs/ocfs2/ocfs1_fs_compat.h +++ b/fs/ocfs2/ocfs1_fs_compat.h @@ -77,7 +77,7 @@ struct ocfs1_disk_lock { /*00*/ __u32 curr_master; __u8 file_lock; - __u8 compat_pad[3]; /* Not in orignal definition. Used to + __u8 compat_pad[3]; /* Not in original definition. Used to make the already existing alignment explicit */ __u64 last_write_time; diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index 7e397e2c25dd..72c198a004df 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -646,7 +646,7 @@ bail: * sync-data inodes." * * Note: OCFS2 already does this differently for metadata vs data - * allocations, as those bitmaps are seperate and undo access is never + * allocations, as those bitmaps are separate and undo access is never * called on a metadata group descriptor. */ static int ocfs2_test_bg_bit_allocatable(struct buffer_head *bg_bh, diff --git a/fs/reiserfs/bitmap.c b/fs/reiserfs/bitmap.c index 16b331dd9913..f491ceb5af02 100644 --- a/fs/reiserfs/bitmap.c +++ b/fs/reiserfs/bitmap.c @@ -272,7 +272,7 @@ static inline int block_group_used(struct super_block *s, u32 id) /* If we don't have cached information on this bitmap block, we're * going to have to load it later anyway. Loading it here allows us - * to make a better decision. This favors long-term performace gain + * to make a better decision. This favors long-term performance gain * with a better on-disk layout vs. a short term gain of skipping the * read and potentially having a bad placement. */ if (info->free_count == UINT_MAX) { @@ -663,7 +663,7 @@ static inline void new_hashed_relocation(reiserfs_blocknr_hint_t * hint) /* * Relocation based on dirid, hashing them into a given bitmap block - * files. Formatted nodes are unaffected, a seperate policy covers them + * files. Formatted nodes are unaffected, a separate policy covers them */ static void dirid_groups(reiserfs_blocknr_hint_t * hint) { @@ -688,7 +688,7 @@ static void dirid_groups(reiserfs_blocknr_hint_t * hint) /* * Relocation based on oid, hashing them into a given bitmap block - * files. Formatted nodes are unaffected, a seperate policy covers them + * files. Formatted nodes are unaffected, a separate policy covers them */ static void oid_groups(reiserfs_blocknr_hint_t * hint) { diff --git a/fs/signalfd.c b/fs/signalfd.c index fb7f7e8034df..2d3e107da2d3 100644 --- a/fs/signalfd.c +++ b/fs/signalfd.c @@ -66,7 +66,7 @@ static int signalfd_copyinfo(struct signalfd_siginfo __user *uinfo, BUILD_BUG_ON(sizeof(struct signalfd_siginfo) != 128); /* - * Unused memebers should be zero ... + * Unused members should be zero ... */ err = __clear_user(uinfo, sizeof(*uinfo)); diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index b729e64d0d4c..d970f7f99549 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -85,7 +85,7 @@ acpi_install_initialization_handler(acpi_init_handler handler, u32 function); #endif /* - * ACPI Memory managment + * ACPI Memory management */ void *acpi_allocate(u32 size); diff --git a/include/acpi/processor.h b/include/acpi/processor.h index 76411b1fc4fd..6e253b5b0f3b 100644 --- a/include/acpi/processor.h +++ b/include/acpi/processor.h @@ -182,7 +182,7 @@ struct acpi_processor_throttling { /* Limit Interface */ struct acpi_processor_lx { - int px; /* performace state */ + int px; /* performance state */ int tx; /* throttle level */ }; diff --git a/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h b/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h index 5d949d763a91..1205c28a2078 100644 --- a/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h +++ b/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h @@ -587,23 +587,23 @@ #define UICR1_IM14 (1 << 6) /* Interrupt mask ep 14 */ #define UICR1_IM15 (1 << 7) /* Interrupt mask ep 15 */ -#define USIR0_IR0 (1 << 0) /* Interrup request ep 0 */ -#define USIR0_IR1 (1 << 1) /* Interrup request ep 1 */ -#define USIR0_IR2 (1 << 2) /* Interrup request ep 2 */ -#define USIR0_IR3 (1 << 3) /* Interrup request ep 3 */ -#define USIR0_IR4 (1 << 4) /* Interrup request ep 4 */ -#define USIR0_IR5 (1 << 5) /* Interrup request ep 5 */ -#define USIR0_IR6 (1 << 6) /* Interrup request ep 6 */ -#define USIR0_IR7 (1 << 7) /* Interrup request ep 7 */ - -#define USIR1_IR8 (1 << 0) /* Interrup request ep 8 */ -#define USIR1_IR9 (1 << 1) /* Interrup request ep 9 */ -#define USIR1_IR10 (1 << 2) /* Interrup request ep 10 */ -#define USIR1_IR11 (1 << 3) /* Interrup request ep 11 */ -#define USIR1_IR12 (1 << 4) /* Interrup request ep 12 */ -#define USIR1_IR13 (1 << 5) /* Interrup request ep 13 */ -#define USIR1_IR14 (1 << 6) /* Interrup request ep 14 */ -#define USIR1_IR15 (1 << 7) /* Interrup request ep 15 */ +#define USIR0_IR0 (1 << 0) /* Interrupt request ep 0 */ +#define USIR0_IR1 (1 << 1) /* Interrupt request ep 1 */ +#define USIR0_IR2 (1 << 2) /* Interrupt request ep 2 */ +#define USIR0_IR3 (1 << 3) /* Interrupt request ep 3 */ +#define USIR0_IR4 (1 << 4) /* Interrupt request ep 4 */ +#define USIR0_IR5 (1 << 5) /* Interrupt request ep 5 */ +#define USIR0_IR6 (1 << 6) /* Interrupt request ep 6 */ +#define USIR0_IR7 (1 << 7) /* Interrupt request ep 7 */ + +#define USIR1_IR8 (1 << 0) /* Interrupt request ep 8 */ +#define USIR1_IR9 (1 << 1) /* Interrupt request ep 9 */ +#define USIR1_IR10 (1 << 2) /* Interrupt request ep 10 */ +#define USIR1_IR11 (1 << 3) /* Interrupt request ep 11 */ +#define USIR1_IR12 (1 << 4) /* Interrupt request ep 12 */ +#define USIR1_IR13 (1 << 5) /* Interrupt request ep 13 */ +#define USIR1_IR14 (1 << 6) /* Interrupt request ep 14 */ +#define USIR1_IR15 (1 << 7) /* Interrupt request ep 15 */ #define DCMD_LENGTH 0x01fff /* length mask (max = 8K - 1) */ diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h index 442494d71f12..16ed24dbda4e 100644 --- a/include/asm-arm/arch-pxa/pxa-regs.h +++ b/include/asm-arm/arch-pxa/pxa-regs.h @@ -737,25 +737,25 @@ #define USIR0 __REG(0x40600058) /* UDC Status Interrupt Register 0 */ -#define USIR0_IR0 (1 << 0) /* Interrup request ep 0 */ -#define USIR0_IR1 (1 << 1) /* Interrup request ep 1 */ -#define USIR0_IR2 (1 << 2) /* Interrup request ep 2 */ -#define USIR0_IR3 (1 << 3) /* Interrup request ep 3 */ -#define USIR0_IR4 (1 << 4) /* Interrup request ep 4 */ -#define USIR0_IR5 (1 << 5) /* Interrup request ep 5 */ -#define USIR0_IR6 (1 << 6) /* Interrup request ep 6 */ -#define USIR0_IR7 (1 << 7) /* Interrup request ep 7 */ +#define USIR0_IR0 (1 << 0) /* Interrupt request ep 0 */ +#define USIR0_IR1 (1 << 1) /* Interrupt request ep 1 */ +#define USIR0_IR2 (1 << 2) /* Interrupt request ep 2 */ +#define USIR0_IR3 (1 << 3) /* Interrupt request ep 3 */ +#define USIR0_IR4 (1 << 4) /* Interrupt request ep 4 */ +#define USIR0_IR5 (1 << 5) /* Interrupt request ep 5 */ +#define USIR0_IR6 (1 << 6) /* Interrupt request ep 6 */ +#define USIR0_IR7 (1 << 7) /* Interrupt request ep 7 */ #define USIR1 __REG(0x4060005C) /* UDC Status Interrupt Register 1 */ -#define USIR1_IR8 (1 << 0) /* Interrup request ep 8 */ -#define USIR1_IR9 (1 << 1) /* Interrup request ep 9 */ -#define USIR1_IR10 (1 << 2) /* Interrup request ep 10 */ -#define USIR1_IR11 (1 << 3) /* Interrup request ep 11 */ -#define USIR1_IR12 (1 << 4) /* Interrup request ep 12 */ -#define USIR1_IR13 (1 << 5) /* Interrup request ep 13 */ -#define USIR1_IR14 (1 << 6) /* Interrup request ep 14 */ -#define USIR1_IR15 (1 << 7) /* Interrup request ep 15 */ +#define USIR1_IR8 (1 << 0) /* Interrupt request ep 8 */ +#define USIR1_IR9 (1 << 1) /* Interrupt request ep 9 */ +#define USIR1_IR10 (1 << 2) /* Interrupt request ep 10 */ +#define USIR1_IR11 (1 << 3) /* Interrupt request ep 11 */ +#define USIR1_IR12 (1 << 4) /* Interrupt request ep 12 */ +#define USIR1_IR13 (1 << 5) /* Interrupt request ep 13 */ +#define USIR1_IR14 (1 << 6) /* Interrupt request ep 14 */ +#define USIR1_IR15 (1 << 7) /* Interrupt request ep 15 */ #elif defined(CONFIG_PXA27x) @@ -1020,7 +1020,7 @@ #define ICSR0 __REG(0x40800014) /* ICP Status Register 0 */ #define ICSR1 __REG(0x40800018) /* ICP Status Register 1 */ -#define ICCR0_AME (1 << 7) /* Adress match enable */ +#define ICCR0_AME (1 << 7) /* Address match enable */ #define ICCR0_TIE (1 << 6) /* Transmit FIFO interrupt enable */ #define ICCR0_RIE (1 << 5) /* Recieve FIFO interrupt enable */ #define ICCR0_RXE (1 << 4) /* Receive enable */ diff --git a/include/asm-arm/arch-versatile/irqs.h b/include/asm-arm/arch-versatile/irqs.h index 745aa841b31a..f7263b99403b 100644 --- a/include/asm-arm/arch-versatile/irqs.h +++ b/include/asm-arm/arch-versatile/irqs.h @@ -22,7 +22,7 @@ #include <asm/arch/platform.h> /* - * IRQ interrupts definitions are the same the INT definitions + * IRQ interrupts definitions are the same as the INT definitions * held within platform.h */ #define IRQ_VIC_START 0 @@ -94,7 +94,7 @@ #define IRQMASK_VICSOURCE31 INTMASK_VICSOURCE31 /* - * FIQ interrupts definitions are the same the INT definitions. + * FIQ interrupts definitions are the same as the INT definitions. */ #define FIQ_WDOGINT INT_WDOGINT #define FIQ_SOFTINT INT_SOFTINT diff --git a/include/asm-arm/hardware/it8152.h b/include/asm-arm/hardware/it8152.h index aaebb61aca48..74b5fff7f575 100644 --- a/include/asm-arm/hardware/it8152.h +++ b/include/asm-arm/hardware/it8152.h @@ -42,7 +42,7 @@ extern unsigned long it8152_base_address; #define IT8152_GPIO_GPDR __REG_IT8152(0x3f00500) /* - Interrup contoler per register summary: + Interrupt controller per register summary: --------------------------------------- LCDNIRR: IT8152_LD_IRQ(8) PCICLK stop diff --git a/include/asm-arm/mach/udc_pxa2xx.h b/include/asm-arm/mach/udc_pxa2xx.h index f191e147ea90..f9f3606986c2 100644 --- a/include/asm-arm/mach/udc_pxa2xx.h +++ b/include/asm-arm/mach/udc_pxa2xx.h @@ -16,7 +16,7 @@ struct pxa2xx_udc_mach_info { #define PXA2XX_UDC_CMD_DISCONNECT 1 /* so host won't see us */ /* Boards following the design guidelines in the developer's manual, - * with on-chip GPIOs not Lubbock's wierd hardware, can have a sane + * with on-chip GPIOs not Lubbock's weird hardware, can have a sane * VBUS IRQ and omit the methods above. Store the GPIO number * here; for GPIO 0, also mask in one of the pxa_gpio_mode() bits. * Note that sometimes the signals go through inverters... diff --git a/include/asm-frv/atomic.h b/include/asm-frv/atomic.h index d425d8d0ad77..6ec494a5bc5a 100644 --- a/include/asm-frv/atomic.h +++ b/include/asm-frv/atomic.h @@ -1,7 +1,7 @@ /* atomic.h: atomic operation emulation for FR-V * * For an explanation of how atomic ops work in this arch, see: - * Documentation/fujitsu/frv/atomic-ops.txt + * Documentation/frv/atomic-ops.txt * * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) diff --git a/include/asm-frv/bitops.h b/include/asm-frv/bitops.h index e29de7131b79..5f86b876b298 100644 --- a/include/asm-frv/bitops.h +++ b/include/asm-frv/bitops.h @@ -1,7 +1,7 @@ /* bitops.h: bit operations for the Fujitsu FR-V CPUs * * For an explanation of how atomic ops work in this arch, see: - * Documentation/fujitsu/frv/atomic-ops.txt + * Documentation/frv/atomic-ops.txt * * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) diff --git a/include/asm-frv/cacheflush.h b/include/asm-frv/cacheflush.h index 02500405a6fb..432a69e7f3d4 100644 --- a/include/asm-frv/cacheflush.h +++ b/include/asm-frv/cacheflush.h @@ -29,7 +29,7 @@ #define flush_dcache_mmap_unlock(mapping) do {} while(0) /* - * physically-indexed cache managment + * physically-indexed cache management * - see arch/frv/lib/cache.S */ extern void frv_dcache_writeback(unsigned long start, unsigned long size); diff --git a/include/asm-frv/highmem.h b/include/asm-frv/highmem.h index ff4d6cdeb152..26cefcde5cee 100644 --- a/include/asm-frv/highmem.h +++ b/include/asm-frv/highmem.h @@ -4,7 +4,7 @@ * Written by David Howells (dhowells@redhat.com) * - Derived from include/asm-i386/highmem.h * - * See Documentation/fujitsu/frv/mmu-layout.txt for more information. + * See Documentation/frv/mmu-layout.txt for more information. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/include/asm-frv/mem-layout.h b/include/asm-frv/mem-layout.h index aaf2a773d9d3..83532252b8be 100644 --- a/include/asm-frv/mem-layout.h +++ b/include/asm-frv/mem-layout.h @@ -39,7 +39,7 @@ #ifdef CONFIG_MMU -/* see Documentation/fujitsu/frv/mmu-layout.txt */ +/* see Documentation/frv/mmu-layout.txt */ #define KERNEL_LOWMEM_START __UL(0xc0000000) #define KERNEL_LOWMEM_END __UL(0xd0000000) #define VMALLOC_START __UL(0xd0000000) diff --git a/include/asm-frv/pgtable.h b/include/asm-frv/pgtable.h index 147e995bec24..3c402afb9e74 100644 --- a/include/asm-frv/pgtable.h +++ b/include/asm-frv/pgtable.h @@ -93,7 +93,7 @@ extern unsigned long empty_zero_page; /* * we use 2-level page tables, folding the PMD (mid-level table) into the PGE (top-level entry) - * [see Documentation/fujitsu/frv/mmu-layout.txt] + * [see Documentation/frv/mmu-layout.txt] * * Page Directory: * - Size: 16KB diff --git a/include/asm-generic/rtc.h b/include/asm-generic/rtc.h index d3238f1f70a6..dd1bed860e64 100644 --- a/include/asm-generic/rtc.h +++ b/include/asm-generic/rtc.h @@ -35,10 +35,11 @@ static inline unsigned char rtc_is_updating(void) { unsigned char uip; + unsigned long flags; - spin_lock_irq(&rtc_lock); + spin_lock_irqsave(&rtc_lock, flags); uip = (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP); - spin_unlock_irq(&rtc_lock); + spin_unlock_irqrestore(&rtc_lock, flags); return uip; } @@ -46,6 +47,8 @@ static inline unsigned int get_rtc_time(struct rtc_time *time) { unsigned long uip_watchdog = jiffies; unsigned char ctrl; + unsigned long flags; + #ifdef CONFIG_MACH_DECSTATION unsigned int real_year; #endif @@ -72,7 +75,7 @@ static inline unsigned int get_rtc_time(struct rtc_time *time) * RTC has RTC_DAY_OF_WEEK, we ignore it, as it is only updated * by the RTC when initially set to a non-zero value. */ - spin_lock_irq(&rtc_lock); + spin_lock_irqsave(&rtc_lock, flags); time->tm_sec = CMOS_READ(RTC_SECONDS); time->tm_min = CMOS_READ(RTC_MINUTES); time->tm_hour = CMOS_READ(RTC_HOURS); @@ -83,7 +86,7 @@ static inline unsigned int get_rtc_time(struct rtc_time *time) real_year = CMOS_READ(RTC_DEC_YEAR); #endif ctrl = CMOS_READ(RTC_CONTROL); - spin_unlock_irq(&rtc_lock); + spin_unlock_irqrestore(&rtc_lock, flags); if (!(ctrl & RTC_DM_BINARY) || RTC_ALWAYS_BCD) { diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h index 75f2bfab614f..f490e43a90b9 100644 --- a/include/asm-generic/tlb.h +++ b/include/asm-generic/tlb.h @@ -14,7 +14,6 @@ #define _ASM_GENERIC__TLB_H #include <linux/swap.h> -#include <linux/quicklist.h> #include <asm/pgalloc.h> #include <asm/tlbflush.h> diff --git a/include/asm-ia64/compat.h b/include/asm-ia64/compat.h index 0f6e5264ab8f..dfcf75b8426d 100644 --- a/include/asm-ia64/compat.h +++ b/include/asm-ia64/compat.h @@ -181,7 +181,7 @@ struct compat_shmid64_ds { /* * A pointer passed in from user mode. This should not be used for syscall parameters, * just declare them as pointers because the syscall entry code will have appropriately - * comverted them already. + * converted them already. */ typedef u32 compat_uptr_t; diff --git a/include/asm-m68knommu/bitops.h b/include/asm-m68knommu/bitops.h index f43afe1fc3b3..c142fbf2f376 100644 --- a/include/asm-m68knommu/bitops.h +++ b/include/asm-m68knommu/bitops.h @@ -262,7 +262,7 @@ static __inline__ unsigned long ext2_find_next_zero_bit(void *addr, unsigned lon * tmp = __swab32(*(p++)); * tmp |= ~0UL >> (32-offset); * - * but this would decrease preformance, so we change the + * but this would decrease performance, so we change the * shift: */ tmp = *(p++); diff --git a/include/asm-m68knommu/commproc.h b/include/asm-m68knommu/commproc.h index 0161ebb5d883..36e870b468ef 100644 --- a/include/asm-m68knommu/commproc.h +++ b/include/asm-m68knommu/commproc.h @@ -715,7 +715,7 @@ extern void cpm_install_handler(int vec, void (*handler)(void *), void *dev_id); #define CICR_SCC_SCC3 ((uint)0x00200000) /* SCC3 @ SCCc */ #define CICR_SCB_SCC2 ((uint)0x00040000) /* SCC2 @ SCCb */ #define CICR_SCA_SCC1 ((uint)0x00000000) /* SCC1 @ SCCa */ -#define CICR_IRL_MASK ((uint)0x0000e000) /* Core interrrupt */ +#define CICR_IRL_MASK ((uint)0x0000e000) /* Core interrupt */ #define CICR_HP_MASK ((uint)0x00001f00) /* Hi-pri int. */ #define CICR_IEN ((uint)0x00000080) /* Int. enable */ #define CICR_SPS ((uint)0x00000001) /* SCC Spread */ diff --git a/include/asm-m68knommu/delay.h b/include/asm-m68knommu/delay.h index 04a20fd051cf..55cbd6294ab6 100644 --- a/include/asm-m68knommu/delay.h +++ b/include/asm-m68knommu/delay.h @@ -68,7 +68,7 @@ static inline void _udelay(unsigned long usecs) /* * Moved the udelay() function into library code, no longer inlined. * I had to change the algorithm because we are overflowing now on - * the faster ColdFire parts. The code is a little biger, so it makes + * the faster ColdFire parts. The code is a little bigger, so it makes * sense to library it. */ extern void udelay(unsigned long usecs); diff --git a/include/asm-m68knommu/m5249sim.h b/include/asm-m68knommu/m5249sim.h index 399814f0b219..366eb8602d2f 100644 --- a/include/asm-m68knommu/m5249sim.h +++ b/include/asm-m68knommu/m5249sim.h @@ -43,10 +43,10 @@ #define MCFSIM_CSAR1 0x8c /* CS 1 Address reg (r/w) */ #define MCFSIM_CSMR1 0x90 /* CS 1 Mask reg (r/w) */ #define MCFSIM_CSCR1 0x96 /* CS 1 Control reg (r/w) */ -#define MCFSIM_CSAR2 0x98 /* CS 2 Adress reg (r/w) */ +#define MCFSIM_CSAR2 0x98 /* CS 2 Address reg (r/w) */ #define MCFSIM_CSMR2 0x9c /* CS 2 Mask reg (r/w) */ #define MCFSIM_CSCR2 0xa2 /* CS 2 Control reg (r/w) */ -#define MCFSIM_CSAR3 0xa4 /* CS 3 Adress reg (r/w) */ +#define MCFSIM_CSAR3 0xa4 /* CS 3 Address reg (r/w) */ #define MCFSIM_CSMR3 0xa8 /* CS 3 Mask reg (r/w) */ #define MCFSIM_CSCR3 0xae /* CS 3 Control reg (r/w) */ diff --git a/include/asm-m68knommu/m5307sim.h b/include/asm-m68knommu/m5307sim.h index d3ce550f6ef4..5886728409c0 100644 --- a/include/asm-m68knommu/m5307sim.h +++ b/include/asm-m68knommu/m5307sim.h @@ -64,22 +64,22 @@ #define MCFSIM_CSMR7 0xda /* CS 7 Mask reg (r/w) */ #define MCFSIM_CSCR7 0xde /* CS 7 Control reg (r/w) */ #else -#define MCFSIM_CSAR2 0x98 /* CS 2 Adress reg (r/w) */ +#define MCFSIM_CSAR2 0x98 /* CS 2 Address reg (r/w) */ #define MCFSIM_CSMR2 0x9c /* CS 2 Mask reg (r/w) */ #define MCFSIM_CSCR2 0xa2 /* CS 2 Control reg (r/w) */ -#define MCFSIM_CSAR3 0xa4 /* CS 3 Adress reg (r/w) */ +#define MCFSIM_CSAR3 0xa4 /* CS 3 Address reg (r/w) */ #define MCFSIM_CSMR3 0xa8 /* CS 3 Mask reg (r/w) */ #define MCFSIM_CSCR3 0xae /* CS 3 Control reg (r/w) */ -#define MCFSIM_CSAR4 0xb0 /* CS 4 Adress reg (r/w) */ +#define MCFSIM_CSAR4 0xb0 /* CS 4 Address reg (r/w) */ #define MCFSIM_CSMR4 0xb4 /* CS 4 Mask reg (r/w) */ #define MCFSIM_CSCR4 0xba /* CS 4 Control reg (r/w) */ -#define MCFSIM_CSAR5 0xbc /* CS 5 Adress reg (r/w) */ +#define MCFSIM_CSAR5 0xbc /* CS 5 Address reg (r/w) */ #define MCFSIM_CSMR5 0xc0 /* CS 5 Mask reg (r/w) */ #define MCFSIM_CSCR5 0xc6 /* CS 5 Control reg (r/w) */ -#define MCFSIM_CSAR6 0xc8 /* CS 6 Adress reg (r/w) */ +#define MCFSIM_CSAR6 0xc8 /* CS 6 Address reg (r/w) */ #define MCFSIM_CSMR6 0xcc /* CS 6 Mask reg (r/w) */ #define MCFSIM_CSCR6 0xd2 /* CS 6 Control reg (r/w) */ -#define MCFSIM_CSAR7 0xd4 /* CS 7 Adress reg (r/w) */ +#define MCFSIM_CSAR7 0xd4 /* CS 7 Address reg (r/w) */ #define MCFSIM_CSMR7 0xd8 /* CS 7 Mask reg (r/w) */ #define MCFSIM_CSCR7 0xde /* CS 7 Control reg (r/w) */ #endif /* CONFIG_OLDMASK */ diff --git a/include/asm-m68knommu/m5407sim.h b/include/asm-m68knommu/m5407sim.h index 75dcdacdb298..cc22c4a53005 100644 --- a/include/asm-m68knommu/m5407sim.h +++ b/include/asm-m68knommu/m5407sim.h @@ -48,22 +48,22 @@ #define MCFSIM_CSMR1 0x90 /* CS 1 Mask reg (r/w) */ #define MCFSIM_CSCR1 0x96 /* CS 1 Control reg (r/w) */ -#define MCFSIM_CSAR2 0x98 /* CS 2 Adress reg (r/w) */ +#define MCFSIM_CSAR2 0x98 /* CS 2 Address reg (r/w) */ #define MCFSIM_CSMR2 0x9c /* CS 2 Mask reg (r/w) */ #define MCFSIM_CSCR2 0xa2 /* CS 2 Control reg (r/w) */ -#define MCFSIM_CSAR3 0xa4 /* CS 3 Adress reg (r/w) */ +#define MCFSIM_CSAR3 0xa4 /* CS 3 Address reg (r/w) */ #define MCFSIM_CSMR3 0xa8 /* CS 3 Mask reg (r/w) */ #define MCFSIM_CSCR3 0xae /* CS 3 Control reg (r/w) */ -#define MCFSIM_CSAR4 0xb0 /* CS 4 Adress reg (r/w) */ +#define MCFSIM_CSAR4 0xb0 /* CS 4 Address reg (r/w) */ #define MCFSIM_CSMR4 0xb4 /* CS 4 Mask reg (r/w) */ #define MCFSIM_CSCR4 0xba /* CS 4 Control reg (r/w) */ -#define MCFSIM_CSAR5 0xbc /* CS 5 Adress reg (r/w) */ +#define MCFSIM_CSAR5 0xbc /* CS 5 Address reg (r/w) */ #define MCFSIM_CSMR5 0xc0 /* CS 5 Mask reg (r/w) */ #define MCFSIM_CSCR5 0xc6 /* CS 5 Control reg (r/w) */ -#define MCFSIM_CSAR6 0xc8 /* CS 6 Adress reg (r/w) */ +#define MCFSIM_CSAR6 0xc8 /* CS 6 Address reg (r/w) */ #define MCFSIM_CSMR6 0xcc /* CS 6 Mask reg (r/w) */ #define MCFSIM_CSCR6 0xd2 /* CS 6 Control reg (r/w) */ -#define MCFSIM_CSAR7 0xd4 /* CS 7 Adress reg (r/w) */ +#define MCFSIM_CSAR7 0xd4 /* CS 7 Address reg (r/w) */ #define MCFSIM_CSMR7 0xd8 /* CS 7 Mask reg (r/w) */ #define MCFSIM_CSCR7 0xde /* CS 7 Control reg (r/w) */ diff --git a/include/asm-m68knommu/m68360_regs.h b/include/asm-m68knommu/m68360_regs.h index a3f8cc8a4a84..d57217ca4f27 100644 --- a/include/asm-m68knommu/m68360_regs.h +++ b/include/asm-m68knommu/m68360_regs.h @@ -138,7 +138,7 @@ #define CICR_SCC_SCC3 ((uint)0x00200000) /* SCC3 @ SCCc */ #define CICR_SCD_SCC4 ((uint)0x00c00000) /* SCC4 @ SCCd */ -#define CICR_IRL_MASK ((uint)0x0000e000) /* Core interrrupt */ +#define CICR_IRL_MASK ((uint)0x0000e000) /* Core interrupt */ #define CICR_HP_MASK ((uint)0x00001f00) /* Hi-pri int. */ #define CICR_VBA_MASK ((uint)0x000000e0) /* Vector Base Address */ #define CICR_SPS ((uint)0x00000001) /* SCC Spread */ diff --git a/include/asm-m68knommu/mcfuart.h b/include/asm-m68knommu/mcfuart.h index 1319a81814b1..8a7a67703ac3 100644 --- a/include/asm-m68knommu/mcfuart.h +++ b/include/asm-m68knommu/mcfuart.h @@ -71,7 +71,7 @@ struct mcf_platform_uart { #define MCFUART_UTB 0x0c /* Transmit Buffer (w) */ #define MCFUART_UIPCR 0x10 /* Input Port Change (r) */ #define MCFUART_UACR 0x10 /* Auxiliary Control (w) */ -#define MCFUART_UISR 0x14 /* Interrup Status (r) */ +#define MCFUART_UISR 0x14 /* Interrupt Status (r) */ #define MCFUART_UIMR 0x14 /* Interrupt Mask (w) */ #define MCFUART_UBG1 0x18 /* Baud Rate MSB (r/w) */ #define MCFUART_UBG2 0x1c /* Baud Rate LSB (r/w) */ diff --git a/include/asm-mips/compat.h b/include/asm-mips/compat.h index 568c76cdd900..ac5d541368e9 100644 --- a/include/asm-mips/compat.h +++ b/include/asm-mips/compat.h @@ -128,7 +128,7 @@ typedef u32 compat_sigset_word; * A pointer passed in from user mode. This should not * be used for syscall parameters, just declare them * as pointers because the syscall entry code will have - * appropriately comverted them already. + * appropriately converted them already. */ typedef u32 compat_uptr_t; diff --git a/include/asm-mips/mach-excite/excite_fpga.h b/include/asm-mips/mach-excite/excite_fpga.h index 38fcda703a0b..0a1ef69bece7 100644 --- a/include/asm-mips/mach-excite/excite_fpga.h +++ b/include/asm-mips/mach-excite/excite_fpga.h @@ -3,7 +3,7 @@ /** - * Adress alignment of the individual FPGA bytes. + * Address alignment of the individual FPGA bytes. * The address arrangement of the individual bytes of the FPGA is two * byte aligned at the embedded MK2 platform. */ diff --git a/include/asm-mips/mach-wrppmc/mach-gt64120.h b/include/asm-mips/mach-wrppmc/mach-gt64120.h index 00d8bf6164a9..83746b84a5ec 100644 --- a/include/asm-mips/mach-wrppmc/mach-gt64120.h +++ b/include/asm-mips/mach-wrppmc/mach-gt64120.h @@ -45,7 +45,7 @@ #define GT_PCI_IO_SIZE 0x02000000UL /* - * PCI interrupts will come in on either the INTA or INTD interrups lines, + * PCI interrupts will come in on either the INTA or INTD interrupt lines, * which are mapped to the #2 and #5 interrupt pins of the MIPS. On our * boards, they all either come in on IntD or they all come in on IntA, they * aren't mixed. There can be numerous PCI interrupts, so we keep a list of the diff --git a/include/asm-mips/sgi/ip22.h b/include/asm-mips/sgi/ip22.h index f4981c4f16bb..c0501f91719b 100644 --- a/include/asm-mips/sgi/ip22.h +++ b/include/asm-mips/sgi/ip22.h @@ -15,7 +15,7 @@ /* * These are the virtual IRQ numbers, we divide all IRQ's into * 'spaces', the 'space' determines where and how to enable/disable - * that particular IRQ on an SGI machine. HPC DMA and MC DMA interrups + * that particular IRQ on an SGI machine. HPC DMA and MC DMA interrupts * are not supported this way. Driver is supposed to allocate HPC/MC * interrupt as shareable and then look to proper status bit (see * HAL2 driver). This will prevent many complications, trust me ;-) diff --git a/include/asm-mips/sn/sn0/hubio.h b/include/asm-mips/sn/sn0/hubio.h index ef91b3363554..0187895e556c 100644 --- a/include/asm-mips/sn/sn0/hubio.h +++ b/include/asm-mips/sn/sn0/hubio.h @@ -338,7 +338,7 @@ typedef union io_perf_cnt { #define IIO_IFDR 0x400398 /* IOQ FIFO Depth */ #define IIO_IIAP 0x4003a0 /* IIQ Arbitration Parameters */ #define IIO_IMMR IIO_IIAP -#define IIO_ICMR 0x4003a8 /* CRB Managment Register */ +#define IIO_ICMR 0x4003a8 /* CRB Management Register */ #define IIO_ICCR 0x4003b0 /* CRB Control Register */ #define IIO_ICTO 0x4003b8 /* CRB Time Out Register */ #define IIO_ICTP 0x4003c0 /* CRB Time Out Prescalar */ diff --git a/include/asm-parisc/compat.h b/include/asm-parisc/compat.h index 5a85d1b025c8..7f32611a7a5e 100644 --- a/include/asm-parisc/compat.h +++ b/include/asm-parisc/compat.h @@ -132,7 +132,7 @@ typedef u32 compat_sigset_word; * A pointer passed in from user mode. This should not * be used for syscall parameters, just declare them * as pointers because the syscall entry code will have - * appropriately comverted them already. + * appropriately converted them already. */ typedef u32 compat_uptr_t; diff --git a/include/asm-parisc/elf.h b/include/asm-parisc/elf.h index f628ac7de83d..8e7946a141de 100644 --- a/include/asm-parisc/elf.h +++ b/include/asm-parisc/elf.h @@ -28,7 +28,7 @@ #define EFA_PARISC_1_1 0x0210 /* PA-RISC 1.1 big-endian. */ #define EFA_PARISC_2_0 0x0214 /* PA-RISC 2.0 big-endian. */ -/* Additional section indeces. */ +/* Additional section indices. */ #define SHN_PARISC_ANSI_COMMON 0xff00 /* Section for tenatively declared symbols in ANSI C. */ diff --git a/include/asm-parisc/linkage.h b/include/asm-parisc/linkage.h index ad8cd0d069ea..0b19a7242d0c 100644 --- a/include/asm-parisc/linkage.h +++ b/include/asm-parisc/linkage.h @@ -8,7 +8,7 @@ /* * In parisc assembly a semicolon marks a comment while a - * exclamation mark is used to seperate independent lines. + * exclamation mark is used to separate independent lines. */ #ifdef __ASSEMBLY__ diff --git a/include/asm-parisc/vga.h b/include/asm-parisc/vga.h index 154a84c843a7..171399a88ca6 100644 --- a/include/asm-parisc/vga.h +++ b/include/asm-parisc/vga.h @@ -3,4 +3,4 @@ /* nothing */ -#endif __ASM_PARISC_VGA_H__ +#endif /* __ASM_PARISC_VGA_H__ */ diff --git a/include/asm-powerpc/compat.h b/include/asm-powerpc/compat.h index 64ab1ddbdf85..d811a8cd7b58 100644 --- a/include/asm-powerpc/compat.h +++ b/include/asm-powerpc/compat.h @@ -119,7 +119,7 @@ typedef u32 compat_sigset_word; * A pointer passed in from user mode. This should not * be used for syscall parameters, just declare them * as pointers because the syscall entry code will have - * appropriately comverted them already. + * appropriately converted them already. */ typedef u32 compat_uptr_t; diff --git a/include/asm-s390/compat.h b/include/asm-s390/compat.h index 7f4ad623f7d5..de065b32381a 100644 --- a/include/asm-s390/compat.h +++ b/include/asm-s390/compat.h @@ -149,7 +149,7 @@ typedef u32 compat_sigset_word; * A pointer passed in from user mode. This should not * be used for syscall parameters, just declare them * as pointers because the syscall entry code will have - * appropriately comverted them already. + * appropriately converted them already. */ typedef u32 compat_uptr_t; diff --git a/include/asm-sparc64/compat.h b/include/asm-sparc64/compat.h index 01fe6682b405..f260b58f5ce9 100644 --- a/include/asm-sparc64/compat.h +++ b/include/asm-sparc64/compat.h @@ -152,7 +152,7 @@ typedef u32 compat_sigset_word; * A pointer passed in from user mode. This should not * be used for syscall parameters, just declare them * as pointers because the syscall entry code will have - * appropriately comverted them already. + * appropriately converted them already. */ typedef u32 compat_uptr_t; diff --git a/include/asm-x86/asm.h b/include/asm-x86/asm.h index 1a6980a60fc6..90dec0c23646 100644 --- a/include/asm-x86/asm.h +++ b/include/asm-x86/asm.h @@ -29,4 +29,11 @@ #endif /* CONFIG_X86_32 */ +/* Exception table entry */ +# define _ASM_EXTABLE(from,to) \ + " .section __ex_table,\"a\"\n" \ + _ASM_ALIGN "\n" \ + _ASM_PTR #from "," #to "\n" \ + " .previous\n" + #endif /* _ASM_X86_ASM_H */ diff --git a/include/asm-x86/bugs.h b/include/asm-x86/bugs.h index 3fcc30dc0731..021cbdd5f258 100644 --- a/include/asm-x86/bugs.h +++ b/include/asm-x86/bugs.h @@ -2,6 +2,6 @@ #define _ASM_X86_BUGS_H extern void check_bugs(void); -extern int ppro_with_ram_bug(void); +int ppro_with_ram_bug(void); #endif /* _ASM_X86_BUGS_H */ diff --git a/include/asm-x86/compat.h b/include/asm-x86/compat.h index b270ee04959e..d3e8f3e87ee8 100644 --- a/include/asm-x86/compat.h +++ b/include/asm-x86/compat.h @@ -190,7 +190,7 @@ typedef struct user_regs_struct32 compat_elf_gregset_t; * A pointer passed in from user mode. This should not * be used for syscall parameters, just declare them * as pointers because the syscall entry code will have - * appropriately comverted them already. + * appropriately converted them already. */ typedef u32 compat_uptr_t; diff --git a/include/asm-x86/cpufeature.h b/include/asm-x86/cpufeature.h index 3fb7dfa7fc91..065e92966c7c 100644 --- a/include/asm-x86/cpufeature.h +++ b/include/asm-x86/cpufeature.h @@ -4,9 +4,6 @@ #ifndef _ASM_X86_CPUFEATURE_H #define _ASM_X86_CPUFEATURE_H -#ifndef __ASSEMBLY__ -#include <linux/bitops.h> -#endif #include <asm/required-features.h> #define NCAPINTS 8 /* N 32-bit words worth of info */ @@ -49,6 +46,7 @@ #define X86_FEATURE_MP (1*32+19) /* MP Capable. */ #define X86_FEATURE_NX (1*32+20) /* Execute Disable */ #define X86_FEATURE_MMXEXT (1*32+22) /* AMD MMX extensions */ +#define X86_FEATURE_GBPAGES (1*32+26) /* GB pages */ #define X86_FEATURE_RDTSCP (1*32+27) /* RDTSCP */ #define X86_FEATURE_LM (1*32+29) /* Long Mode (x86-64) */ #define X86_FEATURE_3DNOWEXT (1*32+30) /* AMD 3DNow! extensions */ @@ -115,6 +113,13 @@ */ #define X86_FEATURE_IDA (7*32+ 0) /* Intel Dynamic Acceleration */ +#if defined(__KERNEL__) && !defined(__ASSEMBLY__) + +#include <linux/bitops.h> + +extern const char * const x86_cap_flags[NCAPINTS*32]; +extern const char * const x86_power_flags[32]; + #define cpu_has(c, bit) \ (__builtin_constant_p(bit) && \ ( (((bit)>>5)==0 && (1UL<<((bit)&31) & REQUIRED_MASK0)) || \ @@ -175,6 +180,7 @@ #define cpu_has_pebs boot_cpu_has(X86_FEATURE_PEBS) #define cpu_has_clflush boot_cpu_has(X86_FEATURE_CLFLSH) #define cpu_has_bts boot_cpu_has(X86_FEATURE_BTS) +#define cpu_has_gbpages boot_cpu_has(X86_FEATURE_GBPAGES) #if defined(CONFIG_X86_INVLPG) || defined(CONFIG_X86_64) # define cpu_has_invlpg 1 @@ -204,4 +210,6 @@ #endif /* CONFIG_X86_64 */ +#endif /* defined(__KERNEL__) && !defined(__ASSEMBLY__) */ + #endif /* _ASM_X86_CPUFEATURE_H */ diff --git a/include/asm-x86/efi.h b/include/asm-x86/efi.h index 9c68a1f098d8..ea9734b74aca 100644 --- a/include/asm-x86/efi.h +++ b/include/asm-x86/efi.h @@ -33,7 +33,7 @@ extern unsigned long asmlinkage efi_call_phys(void *, ...); #define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \ efi_call_virt(f, a1, a2, a3, a4, a5, a6) -#define efi_ioremap(addr, size) ioremap(addr, size) +#define efi_ioremap(addr, size) ioremap_cache(addr, size) #else /* !CONFIG_X86_32 */ @@ -86,7 +86,7 @@ extern u64 efi_call6(void *fp, u64 arg1, u64 arg2, u64 arg3, efi_call6((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \ (u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6)) -extern void *efi_ioremap(unsigned long offset, unsigned long size); +extern void *efi_ioremap(unsigned long addr, unsigned long size); #endif /* CONFIG_X86_32 */ diff --git a/include/asm-x86/futex.h b/include/asm-x86/futex.h index 9d919264923a..cd9f894dd2d7 100644 --- a/include/asm-x86/futex.h +++ b/include/asm-x86/futex.h @@ -17,11 +17,8 @@ "2: .section .fixup,\"ax\"\n \ 3: mov %3, %1\n \ jmp 2b\n \ - .previous\n \ - .section __ex_table,\"a\"\n \ - .align 8\n" \ - _ASM_PTR "1b,3b\n \ - .previous" \ + .previous\n" \ + _ASM_EXTABLE(1b,3b) \ : "=r" (oldval), "=r" (ret), "+m" (*uaddr) \ : "i" (-EFAULT), "0" (oparg), "1" (0)) @@ -35,11 +32,9 @@ 3: .section .fixup,\"ax\"\n \ 4: mov %5, %1\n \ jmp 3b\n \ - .previous\n \ - .section __ex_table,\"a\"\n \ - .align 8\n" \ - _ASM_PTR "1b,4b,2b,4b\n \ - .previous" \ + .previous\n" \ + _ASM_EXTABLE(1b,4b) \ + _ASM_EXTABLE(2b,4b) \ : "=&a" (oldval), "=&r" (ret), "+m" (*uaddr), \ "=&r" (tem) \ : "r" (oparg), "i" (-EFAULT), "1" (0)) @@ -111,18 +106,12 @@ futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) return -EFAULT; __asm__ __volatile__( - "1: lock; cmpxchgl %3, %1 \n" "2: .section .fixup, \"ax\" \n" "3: mov %2, %0 \n" " jmp 2b \n" " .previous \n" - - " .section __ex_table, \"a\" \n" - " .align 8 \n" - _ASM_PTR " 1b,3b \n" - " .previous \n" - + _ASM_EXTABLE(1b,3b) : "=a" (oldval), "+m" (*uaddr) : "i" (-EFAULT), "r" (newval), "0" (oldval) : "memory" diff --git a/include/asm-x86/highmem.h b/include/asm-x86/highmem.h index 13cdcd66fff2..c25cfcaab589 100644 --- a/include/asm-x86/highmem.h +++ b/include/asm-x86/highmem.h @@ -63,8 +63,8 @@ extern pte_t *pkmap_page_table; #define PKMAP_NR(virt) ((virt-PKMAP_BASE) >> PAGE_SHIFT) #define PKMAP_ADDR(nr) (PKMAP_BASE + ((nr) << PAGE_SHIFT)) -extern void * FASTCALL(kmap_high(struct page *page)); -extern void FASTCALL(kunmap_high(struct page *page)); +extern void *kmap_high(struct page *page); +extern void kunmap_high(struct page *page); void *kmap(struct page *page); void kunmap(struct page *page); diff --git a/include/asm-x86/hw_irq_32.h b/include/asm-x86/hw_irq_32.h index 6d65fbb6358b..ea88054e03f3 100644 --- a/include/asm-x86/hw_irq_32.h +++ b/include/asm-x86/hw_irq_32.h @@ -47,7 +47,7 @@ void enable_8259A_irq(unsigned int irq); int i8259A_irq_pending(unsigned int irq); void make_8259A_irq(unsigned int irq); void init_8259A(int aeoi); -void FASTCALL(send_IPI_self(int vector)); +void send_IPI_self(int vector); void init_VISWS_APIC_irqs(void); void setup_IO_APIC(void); void disable_IO_APIC(void); diff --git a/include/asm-x86/i387.h b/include/asm-x86/i387.h index ba8105ca822b..6b1895ccd6b7 100644 --- a/include/asm-x86/i387.h +++ b/include/asm-x86/i387.h @@ -13,6 +13,7 @@ #include <linux/sched.h> #include <linux/kernel_stat.h> #include <linux/regset.h> +#include <asm/asm.h> #include <asm/processor.h> #include <asm/sigcontext.h> #include <asm/user.h> @@ -41,10 +42,7 @@ static inline void tolerant_fwait(void) { asm volatile("1: fwait\n" "2:\n" - " .section __ex_table,\"a\"\n" - " .align 8\n" - " .quad 1b,2b\n" - " .previous\n"); + _ASM_EXTABLE(1b,2b)); } static inline int restore_fpu_checking(struct i387_fxsave_struct *fx) @@ -57,10 +55,7 @@ static inline int restore_fpu_checking(struct i387_fxsave_struct *fx) "3: movl $-1,%[err]\n" " jmp 2b\n" ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 8\n" - " .quad 1b,3b\n" - ".previous" + _ASM_EXTABLE(1b,3b) : [err] "=r" (err) #if 0 /* See comment in __save_init_fpu() below. */ : [fx] "r" (fx), "m" (*fx), "0" (0)); @@ -99,10 +94,7 @@ static inline int save_i387_checking(struct i387_fxsave_struct __user *fx) "3: movl $-1,%[err]\n" " jmp 2b\n" ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 8\n" - " .quad 1b,3b\n" - ".previous" + _ASM_EXTABLE(1b,3b) : [err] "=r" (err), "=m" (*fx) #if 0 /* See comment in __fxsave_clear() below. */ : [fx] "r" (fx), "0" (0)); diff --git a/include/asm-x86/io_32.h b/include/asm-x86/io_32.h index 586d7aa54ceb..58d2c45cd0b1 100644 --- a/include/asm-x86/io_32.h +++ b/include/asm-x86/io_32.h @@ -275,29 +275,6 @@ static inline void slow_down_io(void) { #endif -#ifdef CONFIG_X86_NUMAQ -extern void *xquad_portio; /* Where the IO area was mapped */ -#define XQUAD_PORT_ADDR(port, quad) (xquad_portio + (XQUAD_PORTIO_QUAD*quad) + port) -#define __BUILDIO(bwl,bw,type) \ -static inline void out##bwl##_quad(unsigned type value, int port, int quad) { \ - if (xquad_portio) \ - write##bwl(value, XQUAD_PORT_ADDR(port, quad)); \ - else \ - out##bwl##_local(value, port); \ -} \ -static inline void out##bwl(unsigned type value, int port) { \ - out##bwl##_quad(value, port, 0); \ -} \ -static inline unsigned type in##bwl##_quad(int port, int quad) { \ - if (xquad_portio) \ - return read##bwl(XQUAD_PORT_ADDR(port, quad)); \ - else \ - return in##bwl##_local(port); \ -} \ -static inline unsigned type in##bwl(int port) { \ - return in##bwl##_quad(port, 0); \ -} -#else #define __BUILDIO(bwl,bw,type) \ static inline void out##bwl(unsigned type value, int port) { \ out##bwl##_local(value, port); \ @@ -305,8 +282,6 @@ static inline void out##bwl(unsigned type value, int port) { \ static inline unsigned type in##bwl(int port) { \ return in##bwl##_local(port); \ } -#endif - #define BUILDIO(bwl,bw,type) \ static inline void out##bwl##_local(unsigned type value, int port) { \ diff --git a/include/asm-x86/mach-numaq/mach_apic.h b/include/asm-x86/mach-numaq/mach_apic.h index 17e183bd39c1..3b637fac890b 100644 --- a/include/asm-x86/mach-numaq/mach_apic.h +++ b/include/asm-x86/mach-numaq/mach_apic.h @@ -109,6 +109,8 @@ static inline int mpc_apic_id(struct mpc_config_processor *m, return logical_apicid; } +extern void *xquad_portio; + static inline void setup_portio_remap(void) { int num_quads = num_online_nodes(); diff --git a/include/asm-x86/mach-voyager/do_timer.h b/include/asm-x86/mach-voyager/do_timer.h index bc2b58926308..9e5a459fd15b 100644 --- a/include/asm-x86/mach-voyager/do_timer.h +++ b/include/asm-x86/mach-voyager/do_timer.h @@ -6,7 +6,6 @@ /** * do_timer_interrupt_hook - hook into timer tick - * @regs: standard registers from interrupt * * Call the pit clock event handler. see asm/i8253.h **/ diff --git a/include/asm-x86/msr.h b/include/asm-x86/msr.h index 204a8a30fecf..3ca29ebebbb1 100644 --- a/include/asm-x86/msr.h +++ b/include/asm-x86/msr.h @@ -57,10 +57,7 @@ static inline unsigned long long native_read_msr_safe(unsigned int msr, ".section .fixup,\"ax\"\n\t" "3: mov %3,%0 ; jmp 1b\n\t" ".previous\n\t" - ".section __ex_table,\"a\"\n" - _ASM_ALIGN "\n\t" - _ASM_PTR " 2b,3b\n\t" - ".previous" + _ASM_EXTABLE(2b,3b) : "=r" (*err), EAX_EDX_RET(val, low, high) : "c" (msr), "i" (-EFAULT)); return EAX_EDX_VAL(val, low, high); @@ -81,10 +78,7 @@ static inline int native_write_msr_safe(unsigned int msr, ".section .fixup,\"ax\"\n\t" "3: mov %4,%0 ; jmp 1b\n\t" ".previous\n\t" - ".section __ex_table,\"a\"\n" - _ASM_ALIGN "\n\t" - _ASM_PTR " 2b,3b\n\t" - ".previous" + _ASM_EXTABLE(2b,3b) : "=a" (err) : "c" (msr), "0" (low), "d" (high), "i" (-EFAULT)); diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h index c8b30efeed85..1cb7c51bc296 100644 --- a/include/asm-x86/page.h +++ b/include/asm-x86/page.h @@ -13,8 +13,8 @@ #define PHYSICAL_PAGE_MASK (PAGE_MASK & __PHYSICAL_MASK) #define PTE_MASK (_AT(long, PHYSICAL_PAGE_MASK)) -#define LARGE_PAGE_SIZE (_AC(1,UL) << PMD_SHIFT) -#define LARGE_PAGE_MASK (~(LARGE_PAGE_SIZE-1)) +#define PMD_PAGE_SIZE (_AC(1, UL) << PMD_SHIFT) +#define PMD_PAGE_MASK (~(PMD_PAGE_SIZE-1)) #define HPAGE_SHIFT PMD_SHIFT #define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT) diff --git a/include/asm-x86/page_64.h b/include/asm-x86/page_64.h index c1ac42d8707f..dcf0c0746075 100644 --- a/include/asm-x86/page_64.h +++ b/include/asm-x86/page_64.h @@ -23,6 +23,9 @@ #define MCE_STACK 5 #define N_EXCEPTION_STACKS 5 /* hw limit: 7 */ +#define PUD_PAGE_SIZE (_AC(1, UL) << PUD_SHIFT) +#define PUD_PAGE_MASK (~(PUD_PAGE_SIZE-1)) + #define __PAGE_OFFSET _AC(0xffff810000000000, UL) #define __PHYSICAL_START CONFIG_PHYSICAL_START diff --git a/include/asm-x86/pgalloc_32.h b/include/asm-x86/pgalloc_32.h index 7641e7b5d931..6c21ef951dab 100644 --- a/include/asm-x86/pgalloc_32.h +++ b/include/asm-x86/pgalloc_32.h @@ -80,8 +80,10 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd) set_pud(pudp, __pud(__pa(pmd) | _PAGE_PRESENT)); /* - * Pentium-II erratum A13: in PAE mode we explicitly have to flush - * the TLB via cr3 if the top-level pgd is changed... + * According to Intel App note "TLBs, Paging-Structure Caches, + * and Their Invalidation", April 2007, document 317080-001, + * section 8.1: in PAE mode we explicitly have to flush the + * TLB via cr3 if the top-level pgd is changed... */ if (mm == current->active_mm) write_cr3(read_cr3()); diff --git a/include/asm-x86/pgtable-3level.h b/include/asm-x86/pgtable-3level.h index a195c3e757b9..1d763eec740f 100644 --- a/include/asm-x86/pgtable-3level.h +++ b/include/asm-x86/pgtable-3level.h @@ -93,26 +93,22 @@ static inline void native_pmd_clear(pmd_t *pmd) static inline void pud_clear(pud_t *pudp) { + unsigned long pgd; + set_pud(pudp, __pud(0)); /* - * In principle we need to do a cr3 reload here to make sure - * the processor recognizes the changed pgd. In practice, all - * the places where pud_clear() gets called are followed by - * full tlb flushes anyway, so we can defer the cost here. - * - * Specifically: - * - * mm/memory.c:free_pmd_range() - immediately after the - * pud_clear() it does a pmd_free_tlb(). We change the - * mmu_gather structure to do a full tlb flush (which has the - * effect of reloading cr3) when the pagetable free is - * complete. + * According to Intel App note "TLBs, Paging-Structure Caches, + * and Their Invalidation", April 2007, document 317080-001, + * section 8.1: in PAE mode we explicitly have to flush the + * TLB via cr3 if the top-level pgd is changed... * - * arch/x86/mm/hugetlbpage.c:huge_pmd_unshare() - the call to - * this is followed by a flush_tlb_range, which on x86 does a - * full tlb flush. + * Make sure the pud entry we're updating is within the + * current pgd to avoid unnecessary TLB flushes. */ + pgd = read_cr3(); + if (__pa(pudp) >= pgd && __pa(pudp) < (pgd + sizeof(pgd_t)*PTRS_PER_PGD)) + write_cr3(pgd); } #define pud_page(pud) \ diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index cd2524f07452..44c0a4f1b1eb 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h @@ -13,10 +13,12 @@ #define _PAGE_BIT_DIRTY 6 #define _PAGE_BIT_FILE 6 #define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page */ +#define _PAGE_BIT_PAT 7 /* on 4KB pages */ #define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */ #define _PAGE_BIT_UNUSED1 9 /* available for programmer */ #define _PAGE_BIT_UNUSED2 10 #define _PAGE_BIT_UNUSED3 11 +#define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */ #define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */ /* @@ -36,6 +38,8 @@ #define _PAGE_UNUSED1 (_AC(1, L)<<_PAGE_BIT_UNUSED1) #define _PAGE_UNUSED2 (_AC(1, L)<<_PAGE_BIT_UNUSED2) #define _PAGE_UNUSED3 (_AC(1, L)<<_PAGE_BIT_UNUSED3) +#define _PAGE_PAT (_AC(1, L)<<_PAGE_BIT_PAT) +#define _PAGE_PAT_LARGE (_AC(1, L)<<_PAGE_BIT_PAT_LARGE) #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) #define _PAGE_NX (_AC(1, ULL) << _PAGE_BIT_NX) diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h index 21e70fbf1dae..935630d17304 100644 --- a/include/asm-x86/pgtable_32.h +++ b/include/asm-x86/pgtable_32.h @@ -148,6 +148,8 @@ static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count) */ #define pgd_offset_k(address) pgd_offset(&init_mm, address) +static inline int pud_large(pud_t pud) { return 0; } + /* * the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD] * diff --git a/include/asm-x86/pgtable_64.h b/include/asm-x86/pgtable_64.h index 6e615a103c2f..bd4740a60f29 100644 --- a/include/asm-x86/pgtable_64.h +++ b/include/asm-x86/pgtable_64.h @@ -21,7 +21,6 @@ extern pgd_t init_level4_pgt[]; #define swapper_pg_dir init_level4_pgt extern void paging_init(void); -extern void clear_kernel_mapping(unsigned long addr, unsigned long size); #endif /* !__ASSEMBLY__ */ @@ -199,6 +198,12 @@ static inline unsigned long pmd_bad(pmd_t pmd) #define pud_offset(pgd, address) ((pud_t *) pgd_page_vaddr(*(pgd)) + pud_index(address)) #define pud_present(pud) (pud_val(pud) & _PAGE_PRESENT) +static inline int pud_large(pud_t pte) +{ + return (pud_val(pte) & (_PAGE_PSE|_PAGE_PRESENT)) == + (_PAGE_PSE|_PAGE_PRESENT); +} + /* PMD - Level 2 access */ #define pmd_page_vaddr(pmd) ((unsigned long) __va(pmd_val(pmd) & PTE_MASK)) #define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT)) diff --git a/include/asm-x86/string_32.h b/include/asm-x86/string_32.h index 55bfa308f900..c5d13a86dea7 100644 --- a/include/asm-x86/string_32.h +++ b/include/asm-x86/string_32.h @@ -213,14 +213,14 @@ static __always_inline void * __constant_c_and_count_memset(void * s, unsigned l case 0: return s; case 1: - *(unsigned char *)s = pattern; + *(unsigned char *)s = pattern & 0xff; return s; case 2: - *(unsigned short *)s = pattern; + *(unsigned short *)s = pattern & 0xffff; return s; case 3: - *(unsigned short *)s = pattern; - *(2+(unsigned char *)s) = pattern; + *(unsigned short *)s = pattern & 0xffff; + *(2+(unsigned char *)s) = pattern & 0xff; return s; case 4: *(unsigned long *)s = pattern; diff --git a/include/asm-x86/system.h b/include/asm-x86/system.h index ee32ef9367f4..9cff02ffe6c2 100644 --- a/include/asm-x86/system.h +++ b/include/asm-x86/system.h @@ -20,8 +20,8 @@ #ifdef CONFIG_X86_32 struct task_struct; /* one of the stranger aspects of C forward declarations */ -extern struct task_struct *FASTCALL(__switch_to(struct task_struct *prev, - struct task_struct *next)); +struct task_struct *__switch_to(struct task_struct *prev, + struct task_struct *next); /* * Saving eflags is important. It switches not only IOPL between tasks, @@ -130,10 +130,7 @@ extern void load_gs_index(unsigned); "movl %k1, %%" #seg "\n\t" \ "jmp 2b\n" \ ".previous\n" \ - ".section __ex_table,\"a\"\n\t" \ - _ASM_ALIGN "\n\t" \ - _ASM_PTR " 1b,3b\n" \ - ".previous" \ + _ASM_EXTABLE(1b,3b) \ : :"r" (value), "r" (0)) @@ -214,12 +211,10 @@ static inline unsigned long native_read_cr4_safe(void) /* This could fault if %cr4 does not exist. In x86_64, a cr4 always * exists, so it will never fail. */ #ifdef CONFIG_X86_32 - asm volatile("1: mov %%cr4, %0 \n" - "2: \n" - ".section __ex_table,\"a\" \n" - ".long 1b,2b \n" - ".previous \n" - : "=r" (val), "=m" (__force_order) : "0" (0)); + asm volatile("1: mov %%cr4, %0\n" + "2:\n" + _ASM_EXTABLE(1b,2b) + : "=r" (val), "=m" (__force_order) : "0" (0)); #else val = native_read_cr4(); #endif @@ -276,9 +271,9 @@ static inline void native_wbinvd(void) #endif /* __KERNEL__ */ -static inline void clflush(void *__p) +static inline void clflush(volatile void *__p) { - asm volatile("clflush %0" : "+m" (*(char __force *)__p)); + asm volatile("clflush %0" : "+m" (*(volatile char __force *)__p)); } #define nop() __asm__ __volatile__ ("nop") diff --git a/include/asm-x86/uaccess_32.h b/include/asm-x86/uaccess_32.h index d2a4f7be9c2c..fcc570ec4fee 100644 --- a/include/asm-x86/uaccess_32.h +++ b/include/asm-x86/uaccess_32.h @@ -8,6 +8,7 @@ #include <linux/thread_info.h> #include <linux/prefetch.h> #include <linux/string.h> +#include <asm/asm.h> #include <asm/page.h> #define VERIFY_READ 0 @@ -287,11 +288,8 @@ extern void __put_user_8(void); "4: movl %3,%0\n" \ " jmp 3b\n" \ ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 1b,4b\n" \ - " .long 2b,4b\n" \ - ".previous" \ + _ASM_EXTABLE(1b,4b) \ + _ASM_EXTABLE(2b,4b) \ : "=r"(err) \ : "A" (x), "r" (addr), "i"(-EFAULT), "0"(err)) @@ -338,10 +336,7 @@ struct __large_struct { unsigned long buf[100]; }; "3: movl %3,%0\n" \ " jmp 2b\n" \ ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 1b,3b\n" \ - ".previous" \ + _ASM_EXTABLE(1b,3b) \ : "=r"(err) \ : ltype (x), "m"(__m(addr)), "i"(errret), "0"(err)) @@ -378,10 +373,7 @@ do { \ " xor"itype" %"rtype"1,%"rtype"1\n" \ " jmp 2b\n" \ ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 1b,3b\n" \ - ".previous" \ + _ASM_EXTABLE(1b,3b) \ : "=r"(err), ltype (x) \ : "m"(__m(addr)), "i"(errret), "0"(err)) diff --git a/include/asm-x86/uaccess_64.h b/include/asm-x86/uaccess_64.h index 31d794702719..b87eb4ba8f9d 100644 --- a/include/asm-x86/uaccess_64.h +++ b/include/asm-x86/uaccess_64.h @@ -181,10 +181,7 @@ struct __large_struct { unsigned long buf[100]; }; "3: mov %3,%0\n" \ " jmp 2b\n" \ ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 8\n" \ - " .quad 1b,3b\n" \ - ".previous" \ + _ASM_EXTABLE(1b,3b) \ : "=r"(err) \ : ltype (x), "m"(__m(addr)), "i"(errno), "0"(err)) @@ -226,10 +223,7 @@ do { \ " xor"itype" %"rtype"1,%"rtype"1\n" \ " jmp 2b\n" \ ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 8\n" \ - " .quad 1b,3b\n" \ - ".previous" \ + _ASM_EXTABLE(1b,3b) \ : "=r"(err), ltype (x) \ : "m"(__m(addr)), "i"(errno), "0"(err)) diff --git a/include/asm-x86/vm86.h b/include/asm-x86/vm86.h index a5edf517b992..c92fe4af52e8 100644 --- a/include/asm-x86/vm86.h +++ b/include/asm-x86/vm86.h @@ -195,6 +195,7 @@ struct kernel_vm86_struct { void handle_vm86_fault(struct kernel_vm86_regs *, long); int handle_vm86_trap(struct kernel_vm86_regs *, long, int); +struct pt_regs *save_v86_state(struct kernel_vm86_regs *); struct task_struct; void release_vm86_irqs(struct task_struct *); diff --git a/include/linux/aspm.h b/include/linux/aspm.h deleted file mode 100644 index f41a69895485..000000000000 --- a/include/linux/aspm.h +++ /dev/null @@ -1,44 +0,0 @@ -/* - * aspm.h - * - * PCI Express ASPM defines and function prototypes - * - * Copyright (C) 2007 Intel Corp. - * Zhang Yanmin (yanmin.zhang@intel.com) - * Shaohua Li (shaohua.li@intel.com) - * - * For more information, please consult the following manuals (look at - * http://www.pcisig.com/ for how to get them): - * - * PCI Express Specification - */ - -#ifndef LINUX_ASPM_H -#define LINUX_ASPM_H - -#include <linux/pci.h> - -#define PCIE_LINK_STATE_L0S 1 -#define PCIE_LINK_STATE_L1 2 -#define PCIE_LINK_STATE_CLKPM 4 - -#ifdef CONFIG_PCIEASPM -extern void pcie_aspm_init_link_state(struct pci_dev *pdev); -extern void pcie_aspm_exit_link_state(struct pci_dev *pdev); -extern void pcie_aspm_pm_state_change(struct pci_dev *pdev); -extern void pci_disable_link_state(struct pci_dev *pdev, int state); -#else -#define pcie_aspm_init_link_state(pdev) do {} while (0) -#define pcie_aspm_exit_link_state(pdev) do {} while (0) -#define pcie_aspm_pm_state_change(pdev) do {} while (0) -#define pci_disable_link_state(pdev, state) do {} while (0) -#endif - -#ifdef CONFIG_PCIEASPM_DEBUG /* this depends on CONFIG_PCIEASPM */ -extern void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev); -extern void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev); -#else -#define pcie_aspm_create_sysfs_dev_files(pdev) do {} while (0) -#define pcie_aspm_remove_sysfs_dev_files(pdev) do {} while (0) -#endif -#endif /* LINUX_ASPM_H */ diff --git a/include/linux/chio.h b/include/linux/chio.h index a404c111c937..519248d8b2b6 100644 --- a/include/linux/chio.h +++ b/include/linux/chio.h @@ -108,7 +108,7 @@ struct changer_element_status { /* * CHIOGELEM - * get more detailed status informtion for a single element + * get more detailed status information for a single element */ struct changer_get_element { int cge_type; /* type/unit */ diff --git a/include/linux/cyclades.h b/include/linux/cyclades.h index 8f3dcd30828f..504cb2c3fa9a 100644 --- a/include/linux/cyclades.h +++ b/include/linux/cyclades.h @@ -177,7 +177,7 @@ struct CUSTOM_REG { __u32 fpga_version; /* FPGA Version Number Register */ __u32 cpu_start; /* CPU start Register (write) */ __u32 cpu_stop; /* CPU stop Register (write) */ - __u32 misc_reg; /* Miscelaneous Register */ + __u32 misc_reg; /* Miscellaneous Register */ __u32 idt_mode; /* IDT mode Register */ __u32 uart_irq_status; /* UART IRQ status Register */ __u32 clear_timer0_irq; /* Clear timer interrupt Register */ diff --git a/include/linux/cycx_x25.h b/include/linux/cycx_x25.h index f7a906583463..362bf19d6cf1 100644 --- a/include/linux/cycx_x25.h +++ b/include/linux/cycx_x25.h @@ -81,7 +81,7 @@ struct cycx_x25_cmd { * @n2win - level 2 window (values: 1 thru 7) * @n3win - level 3 window (values: 1 thru 7) * @nvc - # of logical channels (values: 1 thru 64) - * @pktlen - level 3 packet lenght - log base 2 of size + * @pktlen - level 3 packet length - log base 2 of size * @locaddr - my address * @remaddr - remote address * @t1 - time, in seconds diff --git a/include/linux/dccp.h b/include/linux/dccp.h index 484e45c7c89a..aa0737019e37 100644 --- a/include/linux/dccp.h +++ b/include/linux/dccp.h @@ -525,6 +525,7 @@ struct dccp_sock { __u64 dccps_gsr; __u64 dccps_gar; __be32 dccps_service; + __u32 dccps_mss_cache; struct dccp_service_list *dccps_service_list; __u32 dccps_timestamp_echo; __u32 dccps_timestamp_time; @@ -533,7 +534,6 @@ struct dccp_sock { __u16 dccps_pcslen; __u16 dccps_pcrlen; unsigned long dccps_ndp_count; - __u32 dccps_mss_cache; unsigned long dccps_rate_last; struct dccp_minisock dccps_minisock; struct dccp_ackvec *dccps_hc_rx_ackvec; diff --git a/include/linux/device.h b/include/linux/device.h index db375be333c7..479c0b31593c 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -534,11 +534,17 @@ extern struct device *device_create(struct class *cls, struct device *parent, extern void device_destroy(struct class *cls, dev_t devt); #ifdef CONFIG_PM_SLEEP extern void destroy_suspended_device(struct class *cls, dev_t devt); +extern void device_pm_schedule_removal(struct device *); #else /* !CONFIG_PM_SLEEP */ static inline void destroy_suspended_device(struct class *cls, dev_t devt) { device_destroy(cls, devt); } + +static inline void device_pm_schedule_removal(struct device *dev) +{ + device_unregister(dev); +} #endif /* !CONFIG_PM_SLEEP */ /* diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 101a2d4636be..4470950892be 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -1,5 +1,5 @@ -#ifndef _ASM_LINUX_DMA_MAPPING_H -#define _ASM_LINUX_DMA_MAPPING_H +#ifndef _LINUX_DMA_MAPPING_H +#define _LINUX_DMA_MAPPING_H #include <linux/device.h> #include <linux/err.h> diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 55c9a6952f44..5c84bf897593 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -29,7 +29,7 @@ #include <linux/dma-mapping.h> /** - * enum dma_state - resource PNP/power managment state + * enum dma_state - resource PNP/power management state * @DMA_RESOURCE_SUSPEND: DMA device going into low power state * @DMA_RESOURCE_RESUME: DMA device returning to full power * @DMA_RESOURCE_AVAILABLE: DMA device available to the system diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index 71d4ada6f315..fcbe8b640ffb 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -309,7 +309,7 @@ int ethtool_op_set_flags(struct net_device *dev, u32 data); * get_ringparam: Report ring sizes * set_ringparam: Set ring sizes * get_pauseparam: Report pause parameters - * set_pauseparam: Set pause paramters + * set_pauseparam: Set pause parameters * get_rx_csum: Report whether receive checksums are turned on or off * set_rx_csum: Turn receive checksum on or off * get_tx_csum: Report whether transmit checksums are turned on or off diff --git a/include/linux/fs.h b/include/linux/fs.h index a516b6716870..56bd421c1208 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -872,6 +872,7 @@ struct file_lock { struct list_head fl_block; /* circular list of blocked processes */ fl_owner_t fl_owner; unsigned int fl_pid; + struct pid *fl_nspid; wait_queue_head_t fl_wait; struct file *fl_file; unsigned char fl_flags; @@ -1307,7 +1308,7 @@ struct super_operations { * being set. find_inode() uses this to prevent returning * nearly-dead inodes. * I_SYNC Similar to I_LOCK, but limited in scope to writeback - * of inode dirty data. Having a seperate lock for this + * of inode dirty data. Having a separate lock for this * purpose reduces latency and prevents some filesystem- * specific deadlocks. * diff --git a/include/linux/hdreg.h b/include/linux/hdreg.h index 3882013d29ea..e38e75967e74 100644 --- a/include/linux/hdreg.h +++ b/include/linux/hdreg.h @@ -364,7 +364,7 @@ typedef struct hd_drive_hob_hdr { #define SETFEATURES_EN_RLA 0xAA /* Enable read look-ahead feature */ #define SETFEATURES_PREFETCH 0xAB /* Sets drive prefetch value */ #define SETFEATURES_EN_REST 0xAC /* ATA-1 */ -#define SETFEATURES_4B_RW_LONG 0xBB /* Set Lenght of 4 bytes */ +#define SETFEATURES_4B_RW_LONG 0xBB /* Set Length of 4 bytes */ #define SETFEATURES_DIS_AAM 0xC2 /* Disable Automatic Acoustic Management */ #define SETFEATURES_EN_RPOD 0xCC /* Enable reverting to power on defaults */ #define SETFEATURES_DIS_RI 0xDD /* Disable release interrupt ATAPI */ diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 49067f14fac1..f79dcba4b2c1 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -147,7 +147,6 @@ struct hrtimer_sleeper { * @get_time: function to retrieve the current time of the clock * @get_softirq_time: function to retrieve the current time from the softirq * @softirq_time: the time when running the hrtimer queue in the softirq - * @cb_pending: list of timers where the callback is pending * @offset: offset of this clock to the monotonic base * @reprogram: function to reprogram the timer event */ diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 5de6d911cdf7..f577c8f1c66d 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -287,6 +287,12 @@ struct ieee80211_ht_addt_info { #define IEEE80211_HT_IE_NON_GF_STA_PRSNT 0x0004 #define IEEE80211_HT_IE_NON_HT_STA_PRSNT 0x0010 +/* MIMO Power Save Modes */ +#define WLAN_HT_CAP_MIMO_PS_STATIC 0 +#define WLAN_HT_CAP_MIMO_PS_DYNAMIC 1 +#define WLAN_HT_CAP_MIMO_PS_INVALID 2 +#define WLAN_HT_CAP_MIMO_PS_DISABLED 3 + /* Authentication algorithms */ #define WLAN_AUTH_OPEN 0 #define WLAN_AUTH_SHARED_KEY 1 diff --git a/include/linux/init.h b/include/linux/init.h index 2efbda016741..90cdbbbbe077 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -124,9 +124,6 @@ #define __REF .section ".ref.text", "ax" #define __REFDATA .section ".ref.data", "aw" #define __REFCONST .section ".ref.rodata", "aw" -/* backward compatibility */ -#define __INIT_REFOK .section __REF -#define __INITDATA_REFOK .section __REFDATA #ifndef __ASSEMBLY__ /* diff --git a/include/linux/lguest_launcher.h b/include/linux/lguest_launcher.h index 697104da91f1..589be3e1f3ac 100644 --- a/include/linux/lguest_launcher.h +++ b/include/linux/lguest_launcher.h @@ -23,7 +23,12 @@ struct lguest_device_desc { /* The device type: console, network, disk etc. Type 0 terminates. */ __u8 type; - /* The number of bytes of the config array. */ + /* The number of virtqueues (first in config array) */ + __u8 num_vq; + /* The number of bytes of feature bits. Multiply by 2: one for host + * features and one for guest acknowledgements. */ + __u8 feature_len; + /* The number of bytes of the config array after virtqueues. */ __u8 config_len; /* A status byte, written by the Guest. */ __u8 status; @@ -31,7 +36,7 @@ struct lguest_device_desc { }; /*D:135 This is how we expect the device configuration field for a virtqueue - * (type VIRTIO_CONFIG_F_VIRTQUEUE) to be laid out: */ + * to be laid out in config space. */ struct lguest_vqconfig { /* The number of entries in the virtio_ring */ __u16 num; diff --git a/include/linux/llc.h b/include/linux/llc.h index 09f2e6d0e9eb..7733585603f1 100644 --- a/include/linux/llc.h +++ b/include/linux/llc.h @@ -49,9 +49,9 @@ enum llc_sockopts { /* LLC SAP types. */ #define LLC_SAP_NULL 0x00 /* NULL SAP. */ -#define LLC_SAP_LLC 0x02 /* LLC Sublayer Managment. */ +#define LLC_SAP_LLC 0x02 /* LLC Sublayer Management. */ #define LLC_SAP_SNA 0x04 /* SNA Path Control. */ -#define LLC_SAP_PNM 0x0E /* Proway Network Managment. */ +#define LLC_SAP_PNM 0x0E /* Proway Network Management. */ #define LLC_SAP_IP 0x06 /* TCP/IP. */ #define LLC_SAP_BSPAN 0x42 /* Bridge Spanning Tree Proto */ #define LLC_SAP_MMS 0x4E /* Manufacturing Message Srv. */ diff --git a/include/linux/pci.h b/include/linux/pci.h index 4f96f1d94ac4..cee75c0ff6e7 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -128,7 +128,6 @@ struct pci_cap_saved_state { u32 data[0]; }; -struct pcie_link_state; /* * The pci_dev structure is used to describe PCI devices. */ @@ -164,10 +163,6 @@ struct pci_dev { this is D0-D3, D0 being fully functional, and D3 being off. */ -#ifdef CONFIG_PCIEASPM - struct pcie_link_state *link_state; /* ASPM link state. */ -#endif - pci_channel_state_t error_state; /* current connectivity state */ struct device dev; /* Generic device interface */ diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h index c0c1223c9194..c1914a8b94a9 100644 --- a/include/linux/pci_regs.h +++ b/include/linux/pci_regs.h @@ -395,17 +395,9 @@ #define PCI_EXP_DEVSTA_AUXPD 0x10 /* AUX Power Detected */ #define PCI_EXP_DEVSTA_TRPND 0x20 /* Transactions Pending */ #define PCI_EXP_LNKCAP 12 /* Link Capabilities */ -#define PCI_EXP_LNKCAP_ASPMS 0xc00 /* ASPM Support */ -#define PCI_EXP_LNKCAP_L0SEL 0x7000 /* L0s Exit Latency */ -#define PCI_EXP_LNKCAP_L1EL 0x38000 /* L1 Exit Latency */ -#define PCI_EXP_LNKCAP_CLKPM 0x40000 /* L1 Clock Power Management */ #define PCI_EXP_LNKCTL 16 /* Link Control */ -#define PCI_EXP_LNKCTL_RL 0x20 /* Retrain Link */ -#define PCI_EXP_LNKCTL_CCC 0x40 /* Common Clock COnfiguration */ #define PCI_EXP_LNKCTL_CLKREQ_EN 0x100 /* Enable clkreq */ #define PCI_EXP_LNKSTA 18 /* Link Status */ -#define PCI_EXP_LNKSTA_LT 0x800 /* Link Training */ -#define PCI_EXP_LNKSTA_SLC 0x1000 /* Slot Clock Configuration */ #define PCI_EXP_SLTCAP 20 /* Slot Capabilities */ #define PCI_EXP_SLTCTL 24 /* Slot Control */ #define PCI_EXP_SLTSTA 26 /* Slot Status */ diff --git a/include/linux/phy.h b/include/linux/phy.h index 554836edd915..5e43ae751412 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -88,7 +88,7 @@ struct mii_bus { /* A lock to ensure that only one thing can read/write * the MDIO bus at a time */ - spinlock_t mdio_lock; + struct mutex mdio_lock; struct device *dev; @@ -284,10 +284,11 @@ struct phy_device { /* Interrupt and Polling infrastructure */ struct work_struct phy_queue; + struct work_struct state_queue; struct timer_list phy_timer; atomic_t irq_disable; - spinlock_t lock; + struct mutex lock; struct net_device *attached_dev; diff --git a/include/linux/pm.h b/include/linux/pm.h index b78e0295adf4..eccf59ea2a77 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -95,7 +95,7 @@ struct pm_dev }; /* Functions above this comment are list-based old-style power - * managment. Please avoid using them. */ + * management. Please avoid using them. */ /* * Callbacks for platform drivers to implement. diff --git a/include/linux/pnp.h b/include/linux/pnp.h index 2a6d62c7d2d1..b9339d8b95bc 100644 --- a/include/linux/pnp.h +++ b/include/linux/pnp.h @@ -126,7 +126,7 @@ struct pnp_resource_table { }; /* - * Device Managemnt + * Device Management */ struct pnp_card { diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h index b6116b4445c7..b8ce2b444bb5 100644 --- a/include/linux/radix-tree.h +++ b/include/linux/radix-tree.h @@ -91,7 +91,7 @@ do { \ * * For API usage, in general, * - any function _modifying_ the tree or tags (inserting or deleting - * items, setting or clearing tags must exclude other modifications, and + * items, setting or clearing tags) must exclude other modifications, and * exclude any functions reading the tree. * - any function _reading_ the tree or tags (looking up items or tags, * gang lookups) must exclude modifications to the tree, but may occur diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h index 10fa0c832018..db5ef9b83c3f 100644 --- a/include/linux/reiserfs_fs_sb.h +++ b/include/linux/reiserfs_fs_sb.h @@ -185,7 +185,7 @@ struct reiserfs_journal { unsigned long j_trans_id; unsigned long j_mount_id; unsigned long j_start; /* start of current waiting commit (index into j_ap_blocks) */ - unsigned long j_len; /* lenght of current waiting commit */ + unsigned long j_len; /* length of current waiting commit */ unsigned long j_len_alloc; /* number of buffers requested by journal_begin() */ atomic_t j_wcount; /* count of writers for current commit */ unsigned long j_bcount; /* batch count. allows turning X transactions into 1 */ diff --git a/include/linux/signalfd.h b/include/linux/signalfd.h index 86f9b1ef0e09..ea037f28df91 100644 --- a/include/linux/signalfd.h +++ b/include/linux/signalfd.h @@ -29,7 +29,7 @@ struct signalfd_siginfo { /* * Pad strcture to 128 bytes. Remember to update the - * pad size when you add new memebers. We use a fixed + * pad size when you add new members. We use a fixed * size structure to avoid compatibility problems with * future versions, and we leave extra space for additional * members. We use fixed size members because this strcture diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index dfe975a9967e..412672a79e8a 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1810,5 +1810,6 @@ static inline void skb_forward_csum(struct sk_buff *skb) skb->ip_summed = CHECKSUM_NONE; } +bool skb_partial_csum_set(struct sk_buff *skb, u16 start, u16 off); #endif /* __KERNEL__ */ #endif /* _LINUX_SKBUFF_H */ diff --git a/include/linux/sm501-regs.h b/include/linux/sm501-regs.h index df7620dd8f31..64236b73c724 100644 --- a/include/linux/sm501-regs.h +++ b/include/linux/sm501-regs.h @@ -171,7 +171,7 @@ /* USB slave/gadget data port base */ #define SM501_USB_GADGET_DATA (0x070000) -/* Display contoller/video engine base */ +/* Display controller/video engine base */ #define SM501_DC (0x080000) /* common defines for the SM501 address registers */ diff --git a/include/linux/spinlock_api_up.h b/include/linux/spinlock_api_up.h index 67faa044c5f5..04e1d3164576 100644 --- a/include/linux/spinlock_api_up.h +++ b/include/linux/spinlock_api_up.h @@ -21,7 +21,7 @@ /* * In the UP-nondebug case there's no real locking going on, so the * only thing we have to do is to keep the preempt counts and irq - * flags straight, to supress compiler warnings of unused lock + * flags straight, to suppress compiler warnings of unused lock * variables, and to add the proper checker annotations: */ #define __LOCK(lock) \ diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 14e1379876d3..260d1fcf29a4 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -11,15 +11,13 @@ /** * virtqueue - a queue to register buffers for sending or receiving. * @callback: the function to call when buffers are consumed (can be NULL). - * If this returns false, callbacks are suppressed until vq_ops->restart - * is called. * @vdev: the virtio device this queue was created for. * @vq_ops: the operations for this virtqueue (see below). * @priv: a pointer for the virtqueue implementation to use. */ struct virtqueue { - bool (*callback)(struct virtqueue *vq); + void (*callback)(struct virtqueue *vq); struct virtio_device *vdev; struct virtqueue_ops *vq_ops; void *priv; @@ -41,13 +39,12 @@ struct virtqueue * vq: the struct virtqueue we're talking about. * len: the length written into the buffer * Returns NULL or the "data" token handed to add_buf. - * @restart: restart callbacks after callback returned false. + * @disable_cb: disable callbacks + * vq: the struct virtqueue we're talking about. + * @enable_cb: restart callbacks after disable_cb. * vq: the struct virtqueue we're talking about. * This returns "false" (and doesn't re-enable) if there are pending * buffers in the queue, to avoid a race. - * @shutdown: "unadd" all buffers. - * vq: the struct virtqueue we're talking about. - * Remove everything from the queue. * * Locking rules are straightforward: the driver is responsible for * locking. No two operations may be invoked simultaneously. @@ -65,9 +62,8 @@ struct virtqueue_ops { void *(*get_buf)(struct virtqueue *vq, unsigned int *len); - bool (*restart)(struct virtqueue *vq); - - void (*shutdown)(struct virtqueue *vq); + void (*disable_cb)(struct virtqueue *vq); + bool (*enable_cb)(struct virtqueue *vq); }; /** @@ -97,12 +93,15 @@ void unregister_virtio_device(struct virtio_device *dev); * @probe: the function to call when a device is found. Returns a token for * remove, or PTR_ERR(). * @remove: the function when a device is removed. + * @config_changed: optional function to call when the device configuration + * changes; may be called in interrupt context. */ struct virtio_driver { struct device_driver driver; const struct virtio_device_id *id_table; int (*probe)(struct virtio_device *dev); void (*remove)(struct virtio_device *dev); + void (*config_changed)(struct virtio_device *dev); }; int register_virtio_driver(struct virtio_driver *drv); diff --git a/include/linux/virtio_balloon.h b/include/linux/virtio_balloon.h new file mode 100644 index 000000000000..979524ee75b7 --- /dev/null +++ b/include/linux/virtio_balloon.h @@ -0,0 +1,18 @@ +#ifndef _LINUX_VIRTIO_BALLOON_H +#define _LINUX_VIRTIO_BALLOON_H +#include <linux/virtio_config.h> + +/* The ID for virtio_balloon */ +#define VIRTIO_ID_BALLOON 5 + +/* The feature bitmap for virtio balloon */ +#define VIRTIO_BALLOON_F_MUST_TELL_HOST 0 /* Tell before reclaiming pages */ + +struct virtio_balloon_config +{ + /* Number of pages host wants Guest to give up. */ + __le32 num_pages; + /* Number of pages we've actually got in balloon. */ + __le32 actual; +}; +#endif /* _LINUX_VIRTIO_BALLOON_H */ diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h index 7bd2bce0cfd9..bca0b10d7947 100644 --- a/include/linux/virtio_blk.h +++ b/include/linux/virtio_blk.h @@ -6,15 +6,19 @@ #define VIRTIO_ID_BLOCK 2 /* Feature bits */ -#define VIRTIO_CONFIG_BLK_F 0x40 -#define VIRTIO_BLK_F_BARRIER 1 /* Does host support barriers? */ +#define VIRTIO_BLK_F_BARRIER 0 /* Does host support barriers? */ +#define VIRTIO_BLK_F_SIZE_MAX 1 /* Indicates maximum segment size */ +#define VIRTIO_BLK_F_SEG_MAX 2 /* Indicates maximum # of segments */ -/* The capacity (in 512-byte sectors). */ -#define VIRTIO_CONFIG_BLK_F_CAPACITY 0x41 -/* The maximum segment size. */ -#define VIRTIO_CONFIG_BLK_F_SIZE_MAX 0x42 -/* The maximum number of segments. */ -#define VIRTIO_CONFIG_BLK_F_SEG_MAX 0x43 +struct virtio_blk_config +{ + /* The capacity (in 512-byte sectors). */ + __le64 capacity; + /* The maximum segment size (if VIRTIO_BLK_F_SIZE_MAX) */ + __le32 size_max; + /* The maximum number of segments (if VIRTIO_BLK_F_SEG_MAX) */ + __le32 seg_max; +} __attribute__((packed)); /* These two define direction. */ #define VIRTIO_BLK_T_IN 0 @@ -35,8 +39,6 @@ struct virtio_blk_outhdr __u32 ioprio; /* Sector (ie. 512 byte offset) */ __u64 sector; - /* Where to put reply. */ - __u64 id; }; #define VIRTIO_BLK_S_OK 0 diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index bcc01888df78..d581b2914b34 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -5,7 +5,7 @@ * store and access that space differently. */ #include <linux/types.h> -/* Status byte for guest to report progress, and synchronize config. */ +/* Status byte for guest to report progress, and synchronize features. */ /* We have seen device and processed generic fields (VIRTIO_CONFIG_F_VIRTIO) */ #define VIRTIO_CONFIG_S_ACKNOWLEDGE 1 /* We have found a driver for the device. */ @@ -15,34 +15,27 @@ /* We've given up on this device. */ #define VIRTIO_CONFIG_S_FAILED 0x80 -/* Feature byte (actually 7 bits availabe): */ -/* Requirements/features of the virtio implementation. */ -#define VIRTIO_CONFIG_F_VIRTIO 1 -/* Requirements/features of the virtqueue (may have more than one). */ -#define VIRTIO_CONFIG_F_VIRTQUEUE 2 - #ifdef __KERNEL__ struct virtio_device; /** * virtio_config_ops - operations for configuring a virtio device - * @find: search for the next configuration field of the given type. + * @feature: search for a feature in this config * vdev: the virtio_device - * type: the feature type - * len: the (returned) length of the field if found. - * Returns a token if found, or NULL. Never returnes the same field twice - * (ie. it's used up). - * @get: read the value of a configuration field after find(). + * bit: the feature bit + * Returns true if the feature is supported. Acknowledges the feature + * so the host can see it. + * @get: read the value of a configuration field * vdev: the virtio_device - * token: the token returned from find(). + * offset: the offset of the configuration field * buf: the buffer to write the field value into. - * len: the length of the buffer (given by find()). + * len: the length of the buffer * Note that contents are conventionally little-endian. - * @set: write the value of a configuration field after find(). + * @set: write the value of a configuration field * vdev: the virtio_device - * token: the token returned from find(). + * offset: the offset of the configuration field * buf: the buffer to read the field value from. - * len: the length of the buffer (given by find()). + * len: the length of the buffer * Note that contents are conventionally little-endian. * @get_status: read the status byte * vdev: the virtio_device @@ -50,62 +43,67 @@ struct virtio_device; * @set_status: write the status byte * vdev: the virtio_device * status: the new status byte - * @find_vq: find the first VIRTIO_CONFIG_F_VIRTQUEUE and create a virtqueue. + * @reset: reset the device + * vdev: the virtio device + * After this, status and feature negotiation must be done again + * @find_vq: find a virtqueue and instantiate it. * vdev: the virtio_device + * index: the 0-based virtqueue number in case there's more than one. * callback: the virqtueue callback - * Returns the new virtqueue or ERR_PTR(). + * Returns the new virtqueue or ERR_PTR() (eg. -ENOENT). * @del_vq: free a virtqueue found by find_vq(). */ struct virtio_config_ops { - void *(*find)(struct virtio_device *vdev, u8 type, unsigned *len); - void (*get)(struct virtio_device *vdev, void *token, + bool (*feature)(struct virtio_device *vdev, unsigned bit); + void (*get)(struct virtio_device *vdev, unsigned offset, void *buf, unsigned len); - void (*set)(struct virtio_device *vdev, void *token, + void (*set)(struct virtio_device *vdev, unsigned offset, const void *buf, unsigned len); u8 (*get_status)(struct virtio_device *vdev); void (*set_status)(struct virtio_device *vdev, u8 status); + void (*reset)(struct virtio_device *vdev); struct virtqueue *(*find_vq)(struct virtio_device *vdev, - bool (*callback)(struct virtqueue *)); + unsigned index, + void (*callback)(struct virtqueue *)); void (*del_vq)(struct virtqueue *vq); }; /** - * virtio_config_val - get a single virtio config and mark it used. - * @config: the virtio config space - * @type: the type to search for. + * virtio_config_val - look for a feature and get a single virtio config. + * @vdev: the virtio device + * @fbit: the feature bit + * @offset: the type to search for. * @val: a pointer to the value to fill in. * - * Once used, the config type is marked with VIRTIO_CONFIG_F_USED so it can't - * be found again. This version does endian conversion. */ -#define virtio_config_val(vdev, type, v) ({ \ - int _err = __virtio_config_val((vdev),(type),(v),sizeof(*(v))); \ - \ - BUILD_BUG_ON(sizeof(*(v)) != 1 && sizeof(*(v)) != 2 \ - && sizeof(*(v)) != 4 && sizeof(*(v)) != 8); \ - if (!_err) { \ - switch (sizeof(*(v))) { \ - case 2: le16_to_cpus((__u16 *) v); break; \ - case 4: le32_to_cpus((__u32 *) v); break; \ - case 8: le64_to_cpus((__u64 *) v); break; \ - } \ - } \ + * The return value is -ENOENT if the feature doesn't exist. Otherwise + * the value is endian-corrected and returned in v. */ +#define virtio_config_val(vdev, fbit, offset, v) ({ \ + int _err; \ + if ((vdev)->config->feature((vdev), (fbit))) { \ + __virtio_config_val((vdev), (offset), (v)); \ + _err = 0; \ + } else \ + _err = -ENOENT; \ _err; \ }) -int __virtio_config_val(struct virtio_device *dev, - u8 type, void *val, size_t size); - /** - * virtio_use_bit - helper to use a feature bit in a bitfield value. - * @dev: the virtio device - * @token: the token as returned from vdev->config->find(). - * @len: the length of the field. - * @bitnum: the bit to test. + * __virtio_config_val - get a single virtio config without feature check. + * @vdev: the virtio device + * @offset: the type to search for. + * @val: a pointer to the value to fill in. * - * If handed a NULL token, it returns false, otherwise returns bit status. - * If it's one, it sets the mirroring acknowledgement bit. */ -int virtio_use_bit(struct virtio_device *vdev, - void *token, unsigned int len, unsigned int bitnum); + * The value is endian-corrected and returned in v. */ +#define __virtio_config_val(vdev, offset, v) do { \ + BUILD_BUG_ON(sizeof(*(v)) != 1 && sizeof(*(v)) != 2 \ + && sizeof(*(v)) != 4 && sizeof(*(v)) != 8); \ + (vdev)->config->get((vdev), (offset), (v), sizeof(*(v))); \ + switch (sizeof(*(v))) { \ + case 2: le16_to_cpus((__u16 *) v); break; \ + case 4: le32_to_cpus((__u32 *) v); break; \ + case 8: le64_to_cpus((__u64 *) v); break; \ + } \ +} while(0) #endif /* __KERNEL__ */ #endif /* _LINUX_VIRTIO_CONFIG_H */ diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h index ae469ae55d36..1ea3351df609 100644 --- a/include/linux/virtio_net.h +++ b/include/linux/virtio_net.h @@ -5,32 +5,32 @@ /* The ID for virtio_net */ #define VIRTIO_ID_NET 1 -/* The bitmap of config for virtio net */ -#define VIRTIO_CONFIG_NET_F 0x40 -#define VIRTIO_NET_F_NO_CSUM 0 -#define VIRTIO_NET_F_TSO4 1 -#define VIRTIO_NET_F_UFO 2 -#define VIRTIO_NET_F_TSO4_ECN 3 -#define VIRTIO_NET_F_TSO6 4 +/* The feature bitmap for virtio net */ +#define VIRTIO_NET_F_CSUM 0 /* Can handle pkts w/ partial csum */ +#define VIRTIO_NET_F_MAC 5 /* Host has given MAC address. */ +#define VIRTIO_NET_F_GSO 6 /* Can handle pkts w/ any GSO type */ -/* The config defining mac address. */ -#define VIRTIO_CONFIG_NET_MAC_F 0x41 +struct virtio_net_config +{ + /* The config defining mac address (if VIRTIO_NET_F_MAC) */ + __u8 mac[6]; +} __attribute__((packed)); /* This is the first element of the scatter-gather list. If you don't * specify GSO or CSUM features, you can simply ignore the header. */ struct virtio_net_hdr { #define VIRTIO_NET_HDR_F_NEEDS_CSUM 1 // Use csum_start, csum_offset - __u8 flags; + __u8 flags; #define VIRTIO_NET_HDR_GSO_NONE 0 // Not a GSO frame #define VIRTIO_NET_HDR_GSO_TCPV4 1 // GSO frame, IPv4 TCP (TSO) -/* FIXME: Do we need this? If they said they can handle ECN, do they care? */ -#define VIRTIO_NET_HDR_GSO_TCPV4_ECN 2 // GSO frame, IPv4 TCP w/ ECN #define VIRTIO_NET_HDR_GSO_UDP 3 // GSO frame, IPv4 UDP (UFO) #define VIRTIO_NET_HDR_GSO_TCPV6 4 // GSO frame, IPv6 TCP - __u8 gso_type; - __u16 gso_size; - __u16 csum_start; - __u16 csum_offset; +#define VIRTIO_NET_HDR_GSO_ECN 0x80 // TCP has ECN set + __u8 gso_type; + __u16 hdr_len; /* Ethernet + IP + tcp/udp hdrs */ + __u16 gso_size; /* Bytes to append to gso_hdr_len per frame */ + __u16 csum_start; /* Position to start checksumming from */ + __u16 csum_offset; /* Offset after that to place checksum */ }; #endif /* _LINUX_VIRTIO_NET_H */ diff --git a/include/linux/virtio_pci.h b/include/linux/virtio_pci.h new file mode 100644 index 000000000000..b3151659cf49 --- /dev/null +++ b/include/linux/virtio_pci.h @@ -0,0 +1,57 @@ +/* + * Virtio PCI driver + * + * This module allows virtio devices to be used over a virtual PCI device. + * This can be used with QEMU based VMMs like KVM or Xen. + * + * Copyright IBM Corp. 2007 + * + * Authors: + * Anthony Liguori <aliguori@us.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#ifndef _LINUX_VIRTIO_PCI_H +#define _LINUX_VIRTIO_PCI_H + +#include <linux/virtio_config.h> + +/* A 32-bit r/o bitmask of the features supported by the host */ +#define VIRTIO_PCI_HOST_FEATURES 0 + +/* A 32-bit r/w bitmask of features activated by the guest */ +#define VIRTIO_PCI_GUEST_FEATURES 4 + +/* A 32-bit r/w PFN for the currently selected queue */ +#define VIRTIO_PCI_QUEUE_PFN 8 + +/* A 16-bit r/o queue size for the currently selected queue */ +#define VIRTIO_PCI_QUEUE_NUM 12 + +/* A 16-bit r/w queue selector */ +#define VIRTIO_PCI_QUEUE_SEL 14 + +/* A 16-bit r/w queue notifier */ +#define VIRTIO_PCI_QUEUE_NOTIFY 16 + +/* An 8-bit device status register. */ +#define VIRTIO_PCI_STATUS 18 + +/* An 8-bit r/o interrupt status register. Reading the value will return the + * current contents of the ISR and will also clear it. This is effectively + * a read-and-acknowledge. */ +#define VIRTIO_PCI_ISR 19 + +/* The bit of the ISR which indicates a device configuration change. */ +#define VIRTIO_PCI_ISR_CONFIG 0x2 + +/* The remaining space is defined by each driver as the per-driver + * configuration space */ +#define VIRTIO_PCI_CONFIG 20 + +/* Virtio ABI version, this must match exactly */ +#define VIRTIO_PCI_ABI_VERSION 0 +#endif diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h index 1a4ed49f6478..abe481ed990e 100644 --- a/include/linux/virtio_ring.h +++ b/include/linux/virtio_ring.h @@ -15,9 +15,13 @@ /* This marks a buffer as write-only (otherwise read-only). */ #define VRING_DESC_F_WRITE 2 -/* This means don't notify other side when buffer added. */ +/* The Host uses this in used->flags to advise the Guest: don't kick me when + * you add a buffer. It's unreliable, so it's simply an optimization. Guest + * will still kick if it's out of buffers. */ #define VRING_USED_F_NO_NOTIFY 1 -/* This means don't interrupt guest when buffer consumed. */ +/* The Guest uses this in avail->flags to advise the Host: don't interrupt me + * when you consume a buffer. It's unreliable, so it's simply an + * optimization. */ #define VRING_AVAIL_F_NO_INTERRUPT 1 /* Virtio ring descriptors: 16 bytes. These can chain together via "next". */ @@ -89,7 +93,7 @@ struct vring { * }; */ static inline void vring_init(struct vring *vr, unsigned int num, void *p, - unsigned int pagesize) + unsigned long pagesize) { vr->num = num; vr->desc = p; @@ -98,7 +102,7 @@ static inline void vring_init(struct vring *vr, unsigned int num, void *p, & ~(pagesize - 1)); } -static inline unsigned vring_size(unsigned int num, unsigned int pagesize) +static inline unsigned vring_size(unsigned int num, unsigned long pagesize) { return ((sizeof(struct vring_desc) * num + sizeof(__u16) * (2 + num) + pagesize - 1) & ~(pagesize - 1)) @@ -114,7 +118,7 @@ struct virtqueue *vring_new_virtqueue(unsigned int num, struct virtio_device *vdev, void *pages, void (*notify)(struct virtqueue *vq), - bool (*callback)(struct virtqueue *vq)); + void (*callback)(struct virtqueue *vq)); void vring_del_virtqueue(struct virtqueue *vq); irqreturn_t vring_interrupt(int irq, void *_vq); diff --git a/include/linux/wireless.h b/include/linux/wireless.h index 74e84caa1e20..3160dfed73ca 100644 --- a/include/linux/wireless.h +++ b/include/linux/wireless.h @@ -1079,7 +1079,7 @@ struct iw_priv_args */ struct iw_event { - __u16 len; /* Real lenght of this stuff */ + __u16 len; /* Real length of this stuff */ __u16 cmd; /* Wireless IOCTL */ union iwreq_data u; /* IOCTL fixed payload */ }; diff --git a/include/media/rds.h b/include/media/rds.h index 951c1ae0be74..a89426667618 100644 --- a/include/media/rds.h +++ b/include/media/rds.h @@ -4,7 +4,7 @@ saa6588.c and every driver (e.g. bttv-driver.c) that wants to use the saa6588 module. - Instead of having a seperate rds.h, I'd prefer to include + Instead of having a separate rds.h, I'd prefer to include this stuff in one of the already existing files like tuner.h (c) 2005 by Hans J. Koch diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h index b24508abb850..b2cfc4927257 100644 --- a/include/net/if_inet6.h +++ b/include/net/if_inet6.h @@ -112,13 +112,13 @@ struct ifmcaddr6 struct ip6_sf_list *mca_sources; struct ip6_sf_list *mca_tomb; unsigned int mca_sfmode; + unsigned char mca_crcount; unsigned long mca_sfcount[2]; struct timer_list mca_timer; unsigned mca_flags; int mca_users; atomic_t mca_refcnt; spinlock_t mca_lock; - unsigned char mca_crcount; unsigned long mca_cstamp; unsigned long mca_tstamp; }; @@ -166,11 +166,11 @@ struct inet6_dev struct ifmcaddr6 *mc_list; struct ifmcaddr6 *mc_tomb; rwlock_t mc_lock; - unsigned long mc_v1_seen; - unsigned long mc_maxdelay; unsigned char mc_qrv; unsigned char mc_gq_running; unsigned char mc_ifc_count; + unsigned long mc_v1_seen; + unsigned long mc_maxdelay; struct timer_list mc_gq_timer; /* general query timer */ struct timer_list mc_ifc_timer; /* interface change timer */ diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h index fdff630708ce..62a5b691858e 100644 --- a/include/net/inet6_hashtables.h +++ b/include/net/inet6_hashtables.h @@ -49,7 +49,7 @@ static inline int inet6_sk_ehashfn(const struct sock *sk) return inet6_ehashfn(laddr, lport, faddr, fport); } -extern void __inet6_hash(struct inet_hashinfo *hashinfo, struct sock *sk); +extern void __inet6_hash(struct sock *sk); /* * Sockets in TCP_CLOSE state are _always_ taken out of the hash, so diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index 133cf30d2d79..f00f0573627b 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -29,7 +29,6 @@ #undef INET_CSK_CLEAR_TIMERS struct inet_bind_bucket; -struct inet_hashinfo; struct tcp_congestion_ops; /* @@ -59,6 +58,8 @@ struct inet_connection_sock_af_ops { int level, int optname, char __user *optval, int __user *optlen); void (*addr2sockaddr)(struct sock *sk, struct sockaddr *); + int (*bind_conflict)(const struct sock *sk, + const struct inet_bind_bucket *tb); }; /** inet_connection_sock - INET connection oriented sock @@ -244,10 +245,7 @@ extern struct request_sock *inet_csk_search_req(const struct sock *sk, const __be32 laddr); extern int inet_csk_bind_conflict(const struct sock *sk, const struct inet_bind_bucket *tb); -extern int inet_csk_get_port(struct inet_hashinfo *hashinfo, - struct sock *sk, unsigned short snum, - int (*bind_conflict)(const struct sock *sk, - const struct inet_bind_bucket *tb)); +extern int inet_csk_get_port(struct sock *sk, unsigned short snum); extern struct dst_entry* inet_csk_route_req(struct sock *sk, const struct request_sock *req); diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h index c23c4ed30724..48ac620cb846 100644 --- a/include/net/inet_hashtables.h +++ b/include/net/inet_hashtables.h @@ -221,9 +221,9 @@ static inline int inet_sk_listen_hashfn(const struct sock *sk) } /* Caller must disable local BH processing. */ -static inline void __inet_inherit_port(struct inet_hashinfo *table, - struct sock *sk, struct sock *child) +static inline void __inet_inherit_port(struct sock *sk, struct sock *child) { + struct inet_hashinfo *table = sk->sk_prot->hashinfo; const int bhash = inet_bhashfn(inet_sk(child)->num, table->bhash_size); struct inet_bind_hashbucket *head = &table->bhash[bhash]; struct inet_bind_bucket *tb; @@ -235,15 +235,14 @@ static inline void __inet_inherit_port(struct inet_hashinfo *table, spin_unlock(&head->lock); } -static inline void inet_inherit_port(struct inet_hashinfo *table, - struct sock *sk, struct sock *child) +static inline void inet_inherit_port(struct sock *sk, struct sock *child) { local_bh_disable(); - __inet_inherit_port(table, sk, child); + __inet_inherit_port(sk, child); local_bh_enable(); } -extern void inet_put_port(struct inet_hashinfo *table, struct sock *sk); +extern void inet_put_port(struct sock *sk); extern void inet_listen_wlock(struct inet_hashinfo *hashinfo); @@ -266,41 +265,9 @@ static inline void inet_listen_unlock(struct inet_hashinfo *hashinfo) wake_up(&hashinfo->lhash_wait); } -extern void __inet_hash(struct inet_hashinfo *hashinfo, struct sock *sk); -extern void __inet_hash_nolisten(struct inet_hashinfo *hinfo, struct sock *sk); - -static inline void inet_hash(struct inet_hashinfo *hashinfo, struct sock *sk) -{ - if (sk->sk_state != TCP_CLOSE) { - local_bh_disable(); - __inet_hash(hashinfo, sk); - local_bh_enable(); - } -} - -static inline void inet_unhash(struct inet_hashinfo *hashinfo, struct sock *sk) -{ - rwlock_t *lock; - - if (sk_unhashed(sk)) - goto out; - - if (sk->sk_state == TCP_LISTEN) { - local_bh_disable(); - inet_listen_wlock(hashinfo); - lock = &hashinfo->lhash_lock; - } else { - lock = inet_ehash_lockp(hashinfo, sk->sk_hash); - write_lock_bh(lock); - } - - if (__sk_del_node_init(sk)) - sock_prot_inuse_add(sk->sk_prot, -1); - write_unlock_bh(lock); -out: - if (sk->sk_state == TCP_LISTEN) - wake_up(&hashinfo->lhash_wait); -} +extern void __inet_hash_nolisten(struct sock *sk); +extern void inet_hash(struct sock *sk); +extern void inet_unhash(struct sock *sk); extern struct sock *__inet_lookup_listener(struct net *net, struct inet_hashinfo *hashinfo, @@ -425,7 +392,7 @@ extern int __inet_hash_connect(struct inet_timewait_death_row *death_row, struct sock *sk, int (*check_established)(struct inet_timewait_death_row *, struct sock *, __u16, struct inet_timewait_sock **), - void (*hash)(struct inet_hashinfo *, struct sock *)); + void (*hash)(struct sock *sk)); extern int inet_hash_connect(struct inet_timewait_death_row *death_row, struct sock *sk); #endif /* _INET_HASHTABLES_H */ diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h index 67e925065aae..296547bfb0b7 100644 --- a/include/net/inet_timewait_sock.h +++ b/include/net/inet_timewait_sock.h @@ -116,6 +116,7 @@ struct inet_timewait_sock { #define tw_hash __tw_common.skc_hash #define tw_prot __tw_common.skc_prot #define tw_net __tw_common.skc_net + int tw_timeout; volatile unsigned char tw_substate; /* 3 bits hole, try to pack */ unsigned char tw_rcv_wscale; @@ -130,7 +131,6 @@ struct inet_timewait_sock { __u8 tw_ipv6only:1; /* 15 bits hole, try to pack */ __u16 tw_ipv6_offset; - int tw_timeout; unsigned long tw_ttd; struct inet_bind_bucket *tw_tb; struct hlist_node tw_death_node; diff --git a/include/net/sock.h b/include/net/sock.h index e3fb4c047f4c..8a7889b35810 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -496,6 +496,7 @@ extern int sk_wait_data(struct sock *sk, long *timeo); struct request_sock_ops; struct timewait_sock_ops; +struct inet_hashinfo; /* Networking protocol blocks we attach to sockets. * socket layer -> transport layer interface @@ -578,6 +579,8 @@ struct proto { struct request_sock_ops *rsk_prot; struct timewait_sock_ops *twsk_prot; + struct inet_hashinfo *hashinfo; + struct module *owner; char name[32]; diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h index e466d886e192..4769efd4db24 100644 --- a/include/scsi/scsi_transport_fc.h +++ b/include/scsi/scsi_transport_fc.h @@ -176,7 +176,7 @@ struct class_device_attribute class_device_attr_vport_##_name = \ * ports has a unique presense on the SAN, and may be instantiated via * NPIV, Virtual Fabrics, or via additional ALPAs. As the vport is a * unique presense, each vport has it's own view of the fabric, - * authentication priviledge, and priorities. + * authentication privilege, and priorities. * * A virtual port may support 1 or more FC4 roles. Typically it is a * FCP Initiator. It could be a FCP Target, or exist sole for an IP over FC diff --git a/init/Kconfig b/init/Kconfig index dcc96a8c8c69..b2acdeb2d312 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -665,6 +665,20 @@ config SLOB endchoice +config PROFILING + bool "Profiling support (EXPERIMENTAL)" + help + Say Y here to enable the extended profiling support mechanisms used + by profilers such as OProfile. + +config MARKERS + bool "Activate markers" + help + Place an empty function call at each marker site. Can be + dynamically changed for a probe function. + +source "arch/Kconfig" + endmenu # General setup config SLABINFO diff --git a/kernel/Kconfig.instrumentation b/kernel/Kconfig.instrumentation deleted file mode 100644 index 468f47ad7503..000000000000 --- a/kernel/Kconfig.instrumentation +++ /dev/null @@ -1,49 +0,0 @@ -menuconfig INSTRUMENTATION - bool "Instrumentation Support" - default y - ---help--- - Say Y here to get to see options related to performance measurement, - system-wide debugging, and testing. This option alone does not add any - kernel code. - - If you say N, all options in this submenu will be skipped and - disabled. If you're trying to debug the kernel itself, go see the - Kernel Hacking menu. - -if INSTRUMENTATION - -config PROFILING - bool "Profiling support (EXPERIMENTAL)" - help - Say Y here to enable the extended profiling support mechanisms used - by profilers such as OProfile. - -config OPROFILE - tristate "OProfile system profiling (EXPERIMENTAL)" - depends on PROFILING && !UML - depends on ARCH_SUPPORTS_OPROFILE || ALPHA || ARM || BLACKFIN || IA64 || M32R || PARISC || PPC || S390 || SUPERH || SPARC - help - OProfile is a profiling system capable of profiling the - whole system, include the kernel, kernel modules, libraries, - and applications. - - If unsure, say N. - -config KPROBES - bool "Kprobes" - depends on KALLSYMS && MODULES && !UML - depends on X86_32 || IA64 || PPC || S390 || SPARC64 || X86_64 || AVR32 - help - Kprobes allows you to trap at almost any kernel address and - execute a callback function. register_kprobe() establishes - a probepoint and specifies the callback. Kprobes is useful - for kernel debugging, non-intrusive instrumentation and testing. - If in doubt, say "N". - -config MARKERS - bool "Activate markers" - help - Place an empty function call at each marker site. Can be - dynamically changed for a probe function. - -endif # INSTRUMENTATION diff --git a/kernel/Makefile b/kernel/Makefile index 8885627ea021..db9af707ff5b 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -9,7 +9,7 @@ obj-y = sched.o fork.o exec_domain.o panic.o printk.o profile.o \ rcupdate.o extable.o params.o posix-timers.o \ kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \ hrtimer.o rwsem.o latency.o nsproxy.o srcu.o \ - utsname.o notifier.o + utsname.o notifier.o ksysfs.o obj-$(CONFIG_SYSCTL) += sysctl_check.o obj-$(CONFIG_STACKTRACE) += stacktrace.o @@ -49,7 +49,6 @@ obj-$(CONFIG_AUDIT) += audit.o auditfilter.o obj-$(CONFIG_AUDITSYSCALL) += auditsc.o obj-$(CONFIG_AUDIT_TREE) += audit_tree.o obj-$(CONFIG_KPROBES) += kprobes.o -obj-$(CONFIG_SYSFS) += ksysfs.o obj-$(CONFIG_DETECT_SOFTLOCKUP) += softlockup.o obj-$(CONFIG_GENERIC_HARDIRQS) += irq/ obj-$(CONFIG_SECCOMP) += seccomp.o diff --git a/kernel/exit.c b/kernel/exit.c index bfb1c0e940e8..9e459fefda77 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -50,8 +50,6 @@ #include <asm/pgtable.h> #include <asm/mmu_context.h> -extern void sem_exit (void); - static void exit_mm(struct task_struct * tsk); static void __unhash_process(struct task_struct *p) diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c index 35b4bbfc78ff..36d563fd9e3b 100644 --- a/kernel/posix-timers.c +++ b/kernel/posix-timers.c @@ -493,7 +493,7 @@ sys_timer_create(const clockid_t which_clock, goto retry; else if (error) { /* - * Wierd looking, but we return EAGAIN if the IDR is + * Weird looking, but we return EAGAIN if the IDR is * full (proper POSIX return value for this) */ error = -EAGAIN; diff --git a/kernel/relay.c b/kernel/relay.c index 61134eb7a0c8..7c0373322f18 100644 --- a/kernel/relay.c +++ b/kernel/relay.c @@ -92,6 +92,7 @@ static int relay_mmap_buf(struct rchan_buf *buf, struct vm_area_struct *vma) return -EINVAL; vma->vm_ops = &relay_file_mmap_ops; + vma->vm_flags |= VM_DONTEXPAND; vma->vm_private_data = buf; buf->chan->cb->buf_mapped(buf, filp); diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 0d8a5a4a789d..0d385be682db 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -81,7 +81,7 @@ config HEADERS_CHECK config DEBUG_SECTION_MISMATCH bool "Enable full Section mismatch analysis" - default n + depends on UNDEFINED help The section mismatch analysis checks if there are illegal references from one section to another section. @@ -90,19 +90,19 @@ config DEBUG_SECTION_MISMATCH most likely result in an oops. In the code functions and variables are annotated with __init, __devinit etc. (see full list in include/linux/init.h) - which result in the code/data being placed in specific sections. - The section mismatch anaylsis are always done after a full - kernel build but enabling this options will in addition + which results in the code/data being placed in specific sections. + The section mismatch analysis is always done after a full + kernel build but enabling this option will in addition do the following: - Add the option -fno-inline-functions-called-once to gcc When inlining a function annotated __init in a non-init - function we would loose the section information and thus + function we would lose the section information and thus the analysis would not catch the illegal reference. - This options tell gcc to inline less but will also + This option tells gcc to inline less but will also result in a larger kernel. - Run the section mismatch analysis for each module/built-in.o When we run the section mismatch analysis on vmlinux.o we - looses valueable information about where the mismatch was + lose valueble information about where the mismatch was introduced. Running the analysis for each module/built-in.o file will tell where the mismatch happens much closer to the diff --git a/lib/crc32.c b/lib/crc32.c index d2c2f257bedd..49d1c9e3ce38 100644 --- a/lib/crc32.c +++ b/lib/crc32.c @@ -348,7 +348,7 @@ EXPORT_SYMBOL(crc32_be); * but again the multiple of the polynomial to subtract depends only on * the high bits, the high 8 bits in this case. * - * The multile we need in that case is the low 32 bits of a 40-bit + * The multiple we need in that case is the low 32 bits of a 40-bit * value whose high 8 bits are given, and which is a multiple of the * generator polynomial. This is simply the CRC-32 of the given * one-byte message. diff --git a/lib/kobject.c b/lib/kobject.c index 1d63ead1815e..d784daeb8571 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -637,7 +637,7 @@ struct kobject *kobject_create(void) * @name: the name for the kset * @parent: the parent kobject of this kobject, if any. * - * This function creates a kset structure dynamically and registers it + * This function creates a kobject structure dynamically and registers it * with sysfs. When you are finished with this structure, call * kobject_put() and the structure will be dynamically freed when * it is no longer being used. diff --git a/lib/zlib_deflate/defutil.h b/lib/zlib_deflate/defutil.h index d9feaf638608..6b15a909ca3f 100644 --- a/lib/zlib_deflate/defutil.h +++ b/lib/zlib_deflate/defutil.h @@ -164,7 +164,7 @@ typedef struct deflate_state { int nice_match; /* Stop searching when current match exceeds this */ /* used by trees.c: */ - /* Didn't use ct_data typedef below to supress compiler warning */ + /* Didn't use ct_data typedef below to suppress compiler warning */ struct ct_data_s dyn_ltree[HEAP_SIZE]; /* literal and length tree */ struct ct_data_s dyn_dtree[2*D_CODES+1]; /* distance tree */ struct ct_data_s bl_tree[2*BL_CODES+1]; /* Huffman tree for bit lengths */ diff --git a/mm/mmap.c b/mm/mmap.c index d2b6d44962b7..8295577a83b2 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2216,7 +2216,7 @@ int install_special_mapping(struct mm_struct *mm, vma->vm_start = addr; vma->vm_end = addr + len; - vma->vm_flags = vm_flags | mm->def_flags; + vma->vm_flags = vm_flags | mm->def_flags | VM_DONTEXPAND; vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); vma->vm_ops = &special_mapping_vmops; diff --git a/mm/truncate.c b/mm/truncate.c index cadc15653dde..c3123b08ff6d 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -21,7 +21,7 @@ /** - * do_invalidatepage - invalidate part of all of a page + * do_invalidatepage - invalidate part or all of a page * @page: the page which is affected * @offset: the index of the truncation point * diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 40b71a29fc3f..42eea5fe2628 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -199,14 +199,12 @@ static void p9_virtio_close(struct p9_trans *trans) kfree(trans); } -static bool p9_virtio_intr(struct virtqueue *q) +static void p9_virtio_intr(struct virtqueue *q) { struct virtio_chan *chan = q->vdev->priv; P9_DPRINTK(P9_DEBUG_TRANS, "9p poll_wakeup: %p\n", &chan->wq); wake_up_interruptible(&chan->wq); - - return true; } static int p9_virtio_probe(struct virtio_device *dev) @@ -236,13 +234,13 @@ static int p9_virtio_probe(struct virtio_device *dev) /* Find the input queue. */ dev->priv = chan; - chan->in_vq = dev->config->find_vq(dev, p9_virtio_intr); + chan->in_vq = dev->config->find_vq(dev, 0, p9_virtio_intr); if (IS_ERR(chan->in_vq)) { err = PTR_ERR(chan->in_vq); goto free; } - chan->out_vq = dev->config->find_vq(dev, NULL); + chan->out_vq = dev->config->find_vq(dev, 1, NULL); if (IS_ERR(chan->out_vq)) { err = PTR_ERR(chan->out_vq); goto free_in_vq; diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index 26e941d912e8..7b660834a4c2 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -287,7 +287,7 @@ EXPORT_SYMBOL_GPL(register_pernet_subsys); * @ops: pernet operations structure to manipulate * * Remove the pernet operations structure from the list to be - * used when network namespaces are created or destoryed. In + * used when network namespaces are created or destroyed. In * addition run the exit method for all existing network * namespaces. */ @@ -335,7 +335,7 @@ EXPORT_SYMBOL_GPL(register_pernet_device); * @ops: pernet operations structure to manipulate * * Remove the pernet operations structure from the list to be - * used when network namespaces are created or destoryed. In + * used when network namespaces are created or destroyed. In * addition run the exit method for all existing network * namespaces. */ diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 98420f9c4b6d..4e354221ec23 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -2461,6 +2461,34 @@ int skb_cow_data(struct sk_buff *skb, int tailbits, struct sk_buff **trailer) return elt; } +/** + * skb_partial_csum_set - set up and verify partial csum values for packet + * @skb: the skb to set + * @start: the number of bytes after skb->data to start checksumming. + * @off: the offset from start to place the checksum. + * + * For untrusted partially-checksummed packets, we need to make sure the values + * for skb->csum_start and skb->csum_offset are valid so we don't oops. + * + * This function checks and sets those values and skb->ip_summed: if this + * returns false you should drop the packet. + */ +bool skb_partial_csum_set(struct sk_buff *skb, u16 start, u16 off) +{ + if (unlikely(start > skb->len - 2) || + unlikely((int)start + off > skb->len - 2)) { + if (net_ratelimit()) + printk(KERN_WARNING + "bad partial csum: csum=%u/%u len=%u\n", + start, off, skb->len); + return false; + } + skb->ip_summed = CHECKSUM_PARTIAL; + skb->csum_start = skb_headroom(skb) + start; + skb->csum_offset = off; + return true; +} + EXPORT_SYMBOL(___pskb_trim); EXPORT_SYMBOL(__kfree_skb); EXPORT_SYMBOL(kfree_skb); @@ -2497,3 +2525,4 @@ EXPORT_SYMBOL(skb_append_datato_frags); EXPORT_SYMBOL_GPL(skb_to_sgvec); EXPORT_SYMBOL_GPL(skb_cow_data); +EXPORT_SYMBOL_GPL(skb_partial_csum_set); diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h index ebe59d98721a..287a62bc2e0f 100644 --- a/net/dccp/dccp.h +++ b/net/dccp/dccp.h @@ -271,8 +271,6 @@ extern struct sk_buff *dccp_make_response(struct sock *sk, extern int dccp_connect(struct sock *sk); extern int dccp_disconnect(struct sock *sk, int flags); -extern void dccp_hash(struct sock *sk); -extern void dccp_unhash(struct sock *sk); extern int dccp_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen); extern int dccp_setsockopt(struct sock *sk, int level, int optname, diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index c982ad88223d..474075adbde4 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -38,12 +38,6 @@ */ static struct socket *dccp_v4_ctl_socket; -static int dccp_v4_get_port(struct sock *sk, const unsigned short snum) -{ - return inet_csk_get_port(&dccp_hashinfo, sk, snum, - inet_csk_bind_conflict); -} - int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) { struct inet_sock *inet = inet_sk(sk); @@ -408,8 +402,8 @@ struct sock *dccp_v4_request_recv_sock(struct sock *sk, struct sk_buff *skb, dccp_sync_mss(newsk, dst_mtu(dst)); - __inet_hash_nolisten(&dccp_hashinfo, newsk); - __inet_inherit_port(&dccp_hashinfo, sk, newsk); + __inet_hash_nolisten(newsk); + __inet_inherit_port(sk, newsk); return newsk; @@ -898,6 +892,7 @@ static struct inet_connection_sock_af_ops dccp_ipv4_af_ops = { .getsockopt = ip_getsockopt, .addr2sockaddr = inet_csk_addr2sockaddr, .sockaddr_len = sizeof(struct sockaddr_in), + .bind_conflict = inet_csk_bind_conflict, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_ip_setsockopt, .compat_getsockopt = compat_ip_getsockopt, @@ -937,10 +932,10 @@ static struct proto dccp_v4_prot = { .sendmsg = dccp_sendmsg, .recvmsg = dccp_recvmsg, .backlog_rcv = dccp_v4_do_rcv, - .hash = dccp_hash, - .unhash = dccp_unhash, + .hash = inet_hash, + .unhash = inet_unhash, .accept = inet_csk_accept, - .get_port = dccp_v4_get_port, + .get_port = inet_csk_get_port, .shutdown = dccp_shutdown, .destroy = dccp_destroy_sock, .orphan_count = &dccp_orphan_count, @@ -948,6 +943,7 @@ static struct proto dccp_v4_prot = { .obj_size = sizeof(struct dccp_sock), .rsk_prot = &dccp_request_sock_ops, .twsk_prot = &dccp_timewait_sock_ops, + .hashinfo = &dccp_hashinfo, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_dccp_setsockopt, .compat_getsockopt = compat_dccp_getsockopt, diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index ed0a0053a797..490333d47c7b 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -39,21 +39,15 @@ static struct socket *dccp_v6_ctl_socket; static struct inet_connection_sock_af_ops dccp_ipv6_mapped; static struct inet_connection_sock_af_ops dccp_ipv6_af_ops; -static int dccp_v6_get_port(struct sock *sk, unsigned short snum) -{ - return inet_csk_get_port(&dccp_hashinfo, sk, snum, - inet6_csk_bind_conflict); -} - static void dccp_v6_hash(struct sock *sk) { if (sk->sk_state != DCCP_CLOSED) { if (inet_csk(sk)->icsk_af_ops == &dccp_ipv6_mapped) { - dccp_hash(sk); + inet_hash(sk); return; } local_bh_disable(); - __inet6_hash(&dccp_hashinfo, sk); + __inet6_hash(sk); local_bh_enable(); } } @@ -630,8 +624,8 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk, newinet->daddr = newinet->saddr = newinet->rcv_saddr = LOOPBACK4_IPV6; - __inet6_hash(&dccp_hashinfo, newsk); - inet_inherit_port(&dccp_hashinfo, sk, newsk); + __inet6_hash(newsk); + inet_inherit_port(sk, newsk); return newsk; @@ -1054,6 +1048,7 @@ static struct inet_connection_sock_af_ops dccp_ipv6_af_ops = { .getsockopt = ipv6_getsockopt, .addr2sockaddr = inet6_csk_addr2sockaddr, .sockaddr_len = sizeof(struct sockaddr_in6), + .bind_conflict = inet6_csk_bind_conflict, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_ipv6_setsockopt, .compat_getsockopt = compat_ipv6_getsockopt, @@ -1123,9 +1118,9 @@ static struct proto dccp_v6_prot = { .recvmsg = dccp_recvmsg, .backlog_rcv = dccp_v6_do_rcv, .hash = dccp_v6_hash, - .unhash = dccp_unhash, + .unhash = inet_unhash, .accept = inet_csk_accept, - .get_port = dccp_v6_get_port, + .get_port = inet_csk_get_port, .shutdown = dccp_shutdown, .destroy = dccp_v6_destroy_sock, .orphan_count = &dccp_orphan_count, @@ -1133,6 +1128,7 @@ static struct proto dccp_v6_prot = { .obj_size = sizeof(struct dccp6_sock), .rsk_prot = &dccp6_request_sock_ops, .twsk_prot = &dccp6_timewait_sock_ops, + .hashinfo = &dccp_hashinfo, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_dccp_setsockopt, .compat_getsockopt = compat_dccp_getsockopt, diff --git a/net/dccp/proto.c b/net/dccp/proto.c index 0bed4a6095b7..e3f5d37b84be 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -78,7 +78,7 @@ void dccp_set_state(struct sock *sk, const int state) sk->sk_prot->unhash(sk); if (inet_csk(sk)->icsk_bind_hash != NULL && !(sk->sk_userlocks & SOCK_BINDPORT_LOCK)) - inet_put_port(&dccp_hashinfo, sk); + inet_put_port(sk); /* fall through */ default: if (oldstate == DCCP_OPEN) @@ -173,20 +173,6 @@ const char *dccp_state_name(const int state) EXPORT_SYMBOL_GPL(dccp_state_name); -void dccp_hash(struct sock *sk) -{ - inet_hash(&dccp_hashinfo, sk); -} - -EXPORT_SYMBOL_GPL(dccp_hash); - -void dccp_unhash(struct sock *sk) -{ - inet_unhash(&dccp_hashinfo, sk); -} - -EXPORT_SYMBOL_GPL(dccp_unhash); - int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized) { struct dccp_sock *dp = dccp_sk(sk); @@ -268,7 +254,7 @@ int dccp_destroy_sock(struct sock *sk) /* Clean up a referenced DCCP bind bucket. */ if (inet_csk(sk)->icsk_bind_hash != NULL) - inet_put_port(&dccp_hashinfo, sk); + inet_put_port(sk); kfree(dp->dccps_service_list); dp->dccps_service_list = NULL; diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index de5a41de191a..b189278c7bc1 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -78,11 +78,9 @@ EXPORT_SYMBOL_GPL(inet_csk_bind_conflict); /* Obtain a reference to a local port for the given sock, * if snum is zero it means select any available local port. */ -int inet_csk_get_port(struct inet_hashinfo *hashinfo, - struct sock *sk, unsigned short snum, - int (*bind_conflict)(const struct sock *sk, - const struct inet_bind_bucket *tb)) +int inet_csk_get_port(struct sock *sk, unsigned short snum) { + struct inet_hashinfo *hashinfo = sk->sk_prot->hashinfo; struct inet_bind_hashbucket *head; struct hlist_node *node; struct inet_bind_bucket *tb; @@ -142,7 +140,7 @@ tb_found: goto success; } else { ret = 1; - if (bind_conflict(sk, tb)) + if (inet_csk(sk)->icsk_af_ops->bind_conflict(sk, tb)) goto fail_unlock; } } diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index 48d45008f749..90f422c9447b 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -66,8 +66,9 @@ void inet_bind_hash(struct sock *sk, struct inet_bind_bucket *tb, /* * Get rid of any references to a local port held by the given sock. */ -static void __inet_put_port(struct inet_hashinfo *hashinfo, struct sock *sk) +static void __inet_put_port(struct sock *sk) { + struct inet_hashinfo *hashinfo = sk->sk_prot->hashinfo; const int bhash = inet_bhashfn(inet_sk(sk)->num, hashinfo->bhash_size); struct inet_bind_hashbucket *head = &hashinfo->bhash[bhash]; struct inet_bind_bucket *tb; @@ -81,10 +82,10 @@ static void __inet_put_port(struct inet_hashinfo *hashinfo, struct sock *sk) spin_unlock(&head->lock); } -void inet_put_port(struct inet_hashinfo *hashinfo, struct sock *sk) +void inet_put_port(struct sock *sk) { local_bh_disable(); - __inet_put_port(hashinfo, sk); + __inet_put_port(sk); local_bh_enable(); } @@ -317,8 +318,9 @@ static inline u32 inet_sk_port_offset(const struct sock *sk) inet->dport); } -void __inet_hash_nolisten(struct inet_hashinfo *hashinfo, struct sock *sk) +void __inet_hash_nolisten(struct sock *sk) { + struct inet_hashinfo *hashinfo = sk->sk_prot->hashinfo; struct hlist_head *list; rwlock_t *lock; struct inet_ehash_bucket *head; @@ -337,13 +339,14 @@ void __inet_hash_nolisten(struct inet_hashinfo *hashinfo, struct sock *sk) } EXPORT_SYMBOL_GPL(__inet_hash_nolisten); -void __inet_hash(struct inet_hashinfo *hashinfo, struct sock *sk) +static void __inet_hash(struct sock *sk) { + struct inet_hashinfo *hashinfo = sk->sk_prot->hashinfo; struct hlist_head *list; rwlock_t *lock; if (sk->sk_state != TCP_LISTEN) { - __inet_hash_nolisten(hashinfo, sk); + __inet_hash_nolisten(sk); return; } @@ -357,13 +360,48 @@ void __inet_hash(struct inet_hashinfo *hashinfo, struct sock *sk) write_unlock(lock); wake_up(&hashinfo->lhash_wait); } -EXPORT_SYMBOL_GPL(__inet_hash); + +void inet_hash(struct sock *sk) +{ + if (sk->sk_state != TCP_CLOSE) { + local_bh_disable(); + __inet_hash(sk); + local_bh_enable(); + } +} +EXPORT_SYMBOL_GPL(inet_hash); + +void inet_unhash(struct sock *sk) +{ + rwlock_t *lock; + struct inet_hashinfo *hashinfo = sk->sk_prot->hashinfo; + + if (sk_unhashed(sk)) + goto out; + + if (sk->sk_state == TCP_LISTEN) { + local_bh_disable(); + inet_listen_wlock(hashinfo); + lock = &hashinfo->lhash_lock; + } else { + lock = inet_ehash_lockp(hashinfo, sk->sk_hash); + write_lock_bh(lock); + } + + if (__sk_del_node_init(sk)) + sock_prot_inuse_add(sk->sk_prot, -1); + write_unlock_bh(lock); +out: + if (sk->sk_state == TCP_LISTEN) + wake_up(&hashinfo->lhash_wait); +} +EXPORT_SYMBOL_GPL(inet_unhash); int __inet_hash_connect(struct inet_timewait_death_row *death_row, struct sock *sk, int (*check_established)(struct inet_timewait_death_row *, struct sock *, __u16, struct inet_timewait_sock **), - void (*hash)(struct inet_hashinfo *, struct sock *)) + void (*hash)(struct sock *sk)) { struct inet_hashinfo *hinfo = death_row->hashinfo; const unsigned short snum = inet_sk(sk)->num; @@ -427,7 +465,7 @@ ok: inet_bind_hash(sk, tb, port); if (sk_unhashed(sk)) { inet_sk(sk)->sport = htons(port); - hash(hinfo, sk); + hash(sk); } spin_unlock(&head->lock); @@ -444,7 +482,7 @@ ok: tb = inet_csk(sk)->icsk_bind_hash; spin_lock_bh(&head->lock); if (sk_head(&tb->owners) == sk && !sk->sk_bind_node.next) { - hash(hinfo, sk); + hash(sk); spin_unlock_bh(&head->lock); return 0; } else { diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index a0d373bd9065..071e83a894ad 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1669,7 +1669,7 @@ void tcp_set_state(struct sock *sk, int state) sk->sk_prot->unhash(sk); if (inet_csk(sk)->icsk_bind_hash && !(sk->sk_userlocks & SOCK_BINDPORT_LOCK)) - inet_put_port(&tcp_hashinfo, sk); + inet_put_port(sk); /* fall through */ default: if (oldstate==TCP_ESTABLISHED) diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 77c1939a2b0d..63414ea427c5 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -108,22 +108,6 @@ struct inet_hashinfo __cacheline_aligned tcp_hashinfo = { .lhash_wait = __WAIT_QUEUE_HEAD_INITIALIZER(tcp_hashinfo.lhash_wait), }; -static int tcp_v4_get_port(struct sock *sk, unsigned short snum) -{ - return inet_csk_get_port(&tcp_hashinfo, sk, snum, - inet_csk_bind_conflict); -} - -static void tcp_v4_hash(struct sock *sk) -{ - inet_hash(&tcp_hashinfo, sk); -} - -void tcp_unhash(struct sock *sk) -{ - inet_unhash(&tcp_hashinfo, sk); -} - static inline __u32 tcp_v4_init_sequence(struct sk_buff *skb) { return secure_tcp_sequence_number(ip_hdr(skb)->daddr, @@ -1478,8 +1462,8 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb, } #endif - __inet_hash_nolisten(&tcp_hashinfo, newsk); - __inet_inherit_port(&tcp_hashinfo, sk, newsk); + __inet_hash_nolisten(newsk); + __inet_inherit_port(sk, newsk); return newsk; @@ -1827,6 +1811,7 @@ struct inet_connection_sock_af_ops ipv4_specific = { .getsockopt = ip_getsockopt, .addr2sockaddr = inet_csk_addr2sockaddr, .sockaddr_len = sizeof(struct sockaddr_in), + .bind_conflict = inet_csk_bind_conflict, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_ip_setsockopt, .compat_getsockopt = compat_ip_getsockopt, @@ -1926,7 +1911,7 @@ int tcp_v4_destroy_sock(struct sock *sk) /* Clean up a referenced TCP bind bucket. */ if (inet_csk(sk)->icsk_bind_hash) - inet_put_port(&tcp_hashinfo, sk); + inet_put_port(sk); /* * If sendmsg cached page exists, toss it. @@ -2435,9 +2420,9 @@ struct proto tcp_prot = { .getsockopt = tcp_getsockopt, .recvmsg = tcp_recvmsg, .backlog_rcv = tcp_v4_do_rcv, - .hash = tcp_v4_hash, - .unhash = tcp_unhash, - .get_port = tcp_v4_get_port, + .hash = inet_hash, + .unhash = inet_unhash, + .get_port = inet_csk_get_port, .enter_memory_pressure = tcp_enter_memory_pressure, .sockets_allocated = &tcp_sockets_allocated, .orphan_count = &tcp_orphan_count, @@ -2450,6 +2435,7 @@ struct proto tcp_prot = { .obj_size = sizeof(struct tcp_sock), .twsk_prot = &tcp_timewait_sock_ops, .rsk_prot = &tcp_request_sock_ops, + .hashinfo = &tcp_hashinfo, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_tcp_setsockopt, .compat_getsockopt = compat_tcp_getsockopt, @@ -2467,7 +2453,6 @@ void __init tcp_v4_init(struct net_proto_family *ops) EXPORT_SYMBOL(ipv4_specific); EXPORT_SYMBOL(tcp_hashinfo); EXPORT_SYMBOL(tcp_prot); -EXPORT_SYMBOL(tcp_unhash); EXPORT_SYMBOL(tcp_v4_conn_request); EXPORT_SYMBOL(tcp_v4_connect); EXPORT_SYMBOL(tcp_v4_do_rcv); diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c index d325a9958909..43f3993e1f30 100644 --- a/net/ipv6/inet6_hashtables.c +++ b/net/ipv6/inet6_hashtables.c @@ -22,9 +22,9 @@ #include <net/inet6_hashtables.h> #include <net/ip.h> -void __inet6_hash(struct inet_hashinfo *hashinfo, - struct sock *sk) +void __inet6_hash(struct sock *sk) { + struct inet_hashinfo *hashinfo = sk->sk_prot->hashinfo; struct hlist_head *list; rwlock_t *lock; diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 59d0029e93a7..12750f2b05ab 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -86,12 +86,6 @@ static struct tcp_sock_af_ops tcp_sock_ipv6_specific; static struct tcp_sock_af_ops tcp_sock_ipv6_mapped_specific; #endif -static int tcp_v6_get_port(struct sock *sk, unsigned short snum) -{ - return inet_csk_get_port(&tcp_hashinfo, sk, snum, - inet6_csk_bind_conflict); -} - static void tcp_v6_hash(struct sock *sk) { if (sk->sk_state != TCP_CLOSE) { @@ -100,7 +94,7 @@ static void tcp_v6_hash(struct sock *sk) return; } local_bh_disable(); - __inet6_hash(&tcp_hashinfo, sk); + __inet6_hash(sk); local_bh_enable(); } } @@ -1504,8 +1498,8 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, } #endif - __inet6_hash(&tcp_hashinfo, newsk); - inet_inherit_port(&tcp_hashinfo, sk, newsk); + __inet6_hash(newsk); + inet_inherit_port(sk, newsk); return newsk; @@ -1833,6 +1827,7 @@ static struct inet_connection_sock_af_ops ipv6_specific = { .getsockopt = ipv6_getsockopt, .addr2sockaddr = inet6_csk_addr2sockaddr, .sockaddr_len = sizeof(struct sockaddr_in6), + .bind_conflict = inet6_csk_bind_conflict, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_ipv6_setsockopt, .compat_getsockopt = compat_ipv6_getsockopt, @@ -1864,6 +1859,7 @@ static struct inet_connection_sock_af_ops ipv6_mapped = { .getsockopt = ipv6_getsockopt, .addr2sockaddr = inet6_csk_addr2sockaddr, .sockaddr_len = sizeof(struct sockaddr_in6), + .bind_conflict = inet6_csk_bind_conflict, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_ipv6_setsockopt, .compat_getsockopt = compat_ipv6_getsockopt, @@ -2127,8 +2123,8 @@ struct proto tcpv6_prot = { .recvmsg = tcp_recvmsg, .backlog_rcv = tcp_v6_do_rcv, .hash = tcp_v6_hash, - .unhash = tcp_unhash, - .get_port = tcp_v6_get_port, + .unhash = inet_unhash, + .get_port = inet_csk_get_port, .enter_memory_pressure = tcp_enter_memory_pressure, .sockets_allocated = &tcp_sockets_allocated, .memory_allocated = &tcp_memory_allocated, @@ -2141,6 +2137,7 @@ struct proto tcpv6_prot = { .obj_size = sizeof(struct tcp6_sock), .twsk_prot = &tcp6_timewait_sock_ops, .rsk_prot = &tcp6_request_sock_ops, + .hashinfo = &tcp_hashinfo, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_tcp_setsockopt, .compat_getsockopt = compat_tcp_getsockopt, diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig index 09c255002e56..e77592d050ce 100644 --- a/net/mac80211/Kconfig +++ b/net/mac80211/Kconfig @@ -98,6 +98,18 @@ config MAC80211_DEBUGFS Say N unless you know you need this. +config MAC80211_DEBUG_PACKET_ALIGNMENT + bool "Enable packet alignment debugging" + depends on MAC80211 + help + This option is recommended for driver authors and strongly + discouraged for everybody else, it will trigger a warning + when a driver hands mac80211 a buffer that is aligned in + a way that will cause problems with the IP stack on some + architectures. + + Say N unless you're writing a mac80211 based driver. + config MAC80211_DEBUG bool "Enable debugging output" depends on MAC80211 diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c index 5dcc2d61551f..67b7c75c430d 100644 --- a/net/mac80211/ieee80211.c +++ b/net/mac80211/ieee80211.c @@ -1344,17 +1344,17 @@ static int __init ieee80211_init(void) ret = rc80211_simple_init(); if (ret) - goto fail; + goto out; ret = rc80211_pid_init(); if (ret) - goto fail_simple; + goto out_cleanup_simple; ret = ieee80211_wme_register(); if (ret) { printk(KERN_DEBUG "ieee80211_init: failed to " "initialize WME (err=%d)\n", ret); - goto fail_pid; + goto out_cleanup_pid; } ieee80211_debugfs_netdev_init(); @@ -1362,11 +1362,11 @@ static int __init ieee80211_init(void) return 0; - fail_pid: - rc80211_simple_exit(); - fail_simple: + out_cleanup_pid: rc80211_pid_exit(); - fail: + out_cleanup_simple: + rc80211_simple_exit(); + out: return ret; } diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c index 554c4baed6fb..c339571632b2 100644 --- a/net/mac80211/rc80211_pid_algo.c +++ b/net/mac80211/rc80211_pid_algo.c @@ -538,7 +538,7 @@ int __init rc80211_pid_init(void) return ieee80211_rate_control_register(&mac80211_rcpid); } -void __exit rc80211_pid_exit(void) +void rc80211_pid_exit(void) { ieee80211_rate_control_unregister(&mac80211_rcpid); } diff --git a/net/mac80211/rc80211_simple.c b/net/mac80211/rc80211_simple.c index 934676d687d6..9a78b116acff 100644 --- a/net/mac80211/rc80211_simple.c +++ b/net/mac80211/rc80211_simple.c @@ -389,7 +389,7 @@ int __init rc80211_simple_init(void) return ieee80211_rate_control_register(&mac80211_rcsimple); } -void __exit rc80211_simple_exit(void) +void rc80211_simple_exit(void) { ieee80211_rate_control_unregister(&mac80211_rcsimple); } diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index d44c87269bcb..535407d07fa4 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -340,11 +340,15 @@ static u32 ieee80211_rx_load_stats(struct ieee80211_local *local, return load; } +#ifdef CONFIG_MAC80211_DEBUG_PACKET_ALIGNMENT static ieee80211_txrx_result ieee80211_rx_h_verify_ip_alignment(struct ieee80211_txrx_data *rx) { int hdrlen; + if (!WLAN_FC_DATA_PRESENT(rx->fc)) + return TXRX_CONTINUE; + /* * Drivers are required to align the payload data in a way that * guarantees that the contained IP header is aligned to a four- @@ -371,11 +375,14 @@ ieee80211_rx_h_verify_ip_alignment(struct ieee80211_txrx_data *rx) return TXRX_CONTINUE; } +#endif ieee80211_rx_handler ieee80211_rx_pre_handlers[] = { ieee80211_rx_h_parse_qos, +#ifdef CONFIG_MAC80211_DEBUG_PACKET_ALIGNMENT ieee80211_rx_h_verify_ip_alignment, +#endif NULL }; diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c index 6562f868e82f..1a47f5d1be17 100644 --- a/net/rfkill/rfkill.c +++ b/net/rfkill/rfkill.c @@ -340,7 +340,7 @@ EXPORT_SYMBOL(rfkill_allocate); * rfkill_free - Mark rfkill structure for deletion * @rfkill: rfkill structure to be destroyed * - * Decrements reference count of rfkill structure so it is destoryed. + * Decrements reference count of rfkill structure so it is destroyed. * Note that rfkill_free() should _not_ be called after rfkill_unregister(). */ void rfkill_free(struct rfkill *rfkill) diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 61cbd5a8dd0c..5df0c4bd415b 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -537,7 +537,7 @@ sctp_disposition_t sctp_sf_do_5_1C_ack(const struct sctp_endpoint *ep, * * This means that if we only want to abort associations * in an authenticated way (i.e AUTH+ABORT), then we - * can't destory this association just becuase the packet + * can't destroy this association just becuase the packet * was malformed. */ if (sctp_auth_recv_cid(SCTP_CID_ABORT, asoc)) @@ -4130,7 +4130,7 @@ static sctp_disposition_t sctp_sf_abort_violation( * * This means that if we only want to abort associations * in an authenticated way (i.e AUTH+ABORT), then we - * can't destory this association just becuase the packet + * can't destroy this association just becuase the packet * was malformed. */ if (sctp_auth_recv_cid(SCTP_CID_ABORT, asoc)) diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c index 50e61c411bc0..734cf4f3131e 100644 --- a/scripts/kconfig/mconf.c +++ b/scripts/kconfig/mconf.c @@ -821,6 +821,7 @@ static void conf_load(void) return; if (!conf_read(dialog_input_result)) { set_config_filename(dialog_input_result); + sym_set_change_count(1); return; } show_textbox(NULL, _("File does not exist!"), 5, 38); diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c index fdad17367f61..606ceb9e746e 100644 --- a/scripts/kconfig/menu.c +++ b/scripts/kconfig/menu.c @@ -203,12 +203,9 @@ void sym_check_prop(struct symbol *sym) prop_warn(prop, "config symbol '%s' uses select, but is " "not boolean or tristate", sym->name); - else if (sym2->type == S_UNKNOWN) - prop_warn(prop, - "'select' used by config symbol '%s' " - "refers to undefined symbol '%s'", - sym->name, sym2->name); - else if (sym2->type != S_BOOLEAN && sym2->type != S_TRISTATE) + else if (sym2->type != S_UNKNOWN && + sym2->type != S_BOOLEAN && + sym2->type != S_TRISTATE) prop_warn(prop, "'%s' has wrong type. 'select' only " "accept arguments of boolean and " diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index f8efc93eb700..5d546466e6b1 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -870,7 +870,7 @@ const struct sectioncheck sectioncheck[] = { /* Do not export init/exit functions or data */ { .fromsec = { "__ksymtab*", NULL }, - .tosec = { ALL_INIT_SECTIONS, ALL_EXIT_SECTIONS, NULL }, + .tosec = { INIT_SECTIONS, EXIT_SECTIONS, NULL }, .mismatch = EXPORT_TO_INIT_EXIT } }; @@ -1125,15 +1125,15 @@ static void report_sec_mismatch(const char *modname, enum mismatch mismatch, to = to_is_func ? "function" : "variable"; to_p = to_is_func ? "()" : ""; + sec_mismatch_count++; + if (!sec_mismatch_verbose) + return; + fprintf(stderr, "WARNING: %s(%s+0x%llx): Section mismatch in" " reference from the %s %s%s to the %s %s:%s%s\n", modname, fromsec, fromaddr, from, fromsym, from_p, to, tosec, tosym, to_p); - sec_mismatch_count++; - if (!sec_mismatch_verbose) - return; - switch (mismatch) { case TEXT_TO_INIT: fprintf(stderr, @@ -1939,10 +1939,9 @@ int main(int argc, char **argv) write_dump(dump_write); if (sec_mismatch_count && !sec_mismatch_verbose) fprintf(stderr, "modpost: Found %d section mismatch(es).\n" - "To see additional details select \"Enable full " - "Section mismatch analysis\"\n" - "in the Kernel Hacking menu " - "(CONFIG_SECTION_MISMATCH).\n", sec_mismatch_count); + "To see full details build your kernel with:\n" + "'make CONFIG_DEBUG_SECTION_MISMATCH=y'\n", + sec_mismatch_count); return err; } diff --git a/scripts/setlocalversion b/scripts/setlocalversion index 52f032e409a3..1c1bdaf7348a 100644..100755 --- a/scripts/setlocalversion +++ b/scripts/setlocalversion @@ -45,3 +45,19 @@ if hgid=`hg id 2>/dev/null`; then # All done with mercurial exit fi + +# Check for svn and a svn repo. +if rev=`svn info 2>/dev/null | grep '^Revision'`; then + rev=`echo $rev | awk '{print $NF}'` + changes=`svn status 2>/dev/null | grep '^[AMD]' | wc -l` + + # Are there uncommitted changes? + if [ $changes != 0 ]; then + printf -- '-svn%s%s%s' "$rev" -dirty "$changes" + else + printf -- '-svn%s' "$rev" + fi + + # All done with svn + exit +fi diff --git a/sound/oss/via82cxxx_audio.c b/sound/oss/via82cxxx_audio.c index 5d3c0372df32..f95aa0946758 100644 --- a/sound/oss/via82cxxx_audio.c +++ b/sound/oss/via82cxxx_audio.c @@ -2104,6 +2104,7 @@ static struct page * via_mm_nopage (struct vm_area_struct * vma, { struct via_info *card = vma->vm_private_data; struct via_channel *chan = &card->ch_out; + unsigned long max_bufs; struct page *dmapage; unsigned long pgoff; int rd, wr; @@ -2127,14 +2128,11 @@ static struct page * via_mm_nopage (struct vm_area_struct * vma, rd = card->ch_in.is_mapped; wr = card->ch_out.is_mapped; -#ifndef VIA_NDEBUG - { - unsigned long max_bufs = chan->frag_number; - if (rd && wr) max_bufs *= 2; - /* via_dsp_mmap() should ensure this */ - assert (pgoff < max_bufs); - } -#endif + max_bufs = chan->frag_number; + if (rd && wr) + max_bufs *= 2; + if (pgoff >= max_bufs) + return NOPAGE_SIGBUS; /* if full-duplex (read+write) and we have two sets of bufs, * then the playback buffers come first, sez soundcard.c */ diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c index 6495534e5bf6..1558a5c4094f 100644 --- a/sound/usb/usx2y/usX2Yhwdep.c +++ b/sound/usb/usx2y/usX2Yhwdep.c @@ -84,7 +84,7 @@ static int snd_us428ctls_mmap(struct snd_hwdep * hw, struct file *filp, struct v us428->us428ctls_sharedmem->CtlSnapShotLast = -2; } area->vm_ops = &us428ctls_vm_ops; - area->vm_flags |= VM_RESERVED; + area->vm_flags |= VM_RESERVED | VM_DONTEXPAND; area->vm_private_data = hw->private_data; return 0; } diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c index 800b5cecfc80..117946f2debb 100644 --- a/sound/usb/usx2y/usx2yhwdeppcm.c +++ b/sound/usb/usx2y/usx2yhwdeppcm.c @@ -722,7 +722,7 @@ static int snd_usX2Y_hwdep_pcm_mmap(struct snd_hwdep * hw, struct file *filp, st return -ENODEV; } area->vm_ops = &snd_usX2Y_hwdep_pcm_vm_ops; - area->vm_flags |= VM_RESERVED; + area->vm_flags |= VM_RESERVED | VM_DONTEXPAND; area->vm_private_data = hw->private_data; return 0; } |