diff options
| author | Yu Zhao <yu.zhao@intel.com> | 2009-03-20 11:25:17 +0800 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-03-20 10:48:32 -0700 |
| commit | 01db4957179c92fda7d9a06e49b7ae56fb7c925b (patch) | |
| tree | a643400cf322336e38a7755c594518fa891032b9 /Documentation/ABI | |
| parent | 74bb1bcc7dbbc9ddef773bf3395d7ff92aaaad2e (diff) | |
| download | linux-01db4957179c92fda7d9a06e49b7ae56fb7c925b.tar.gz linux-01db4957179c92fda7d9a06e49b7ae56fb7c925b.tar.bz2 linux-01db4957179c92fda7d9a06e49b7ae56fb7c925b.zip | |
PCI: document SR-IOV sysfs entries
Reviewed-by: Randy Dunlap <rdunlap@xenotime.net>
Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-pci | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci index 3d29793a0ea2..d175a2a5fac2 100644 --- a/Documentation/ABI/testing/sysfs-bus-pci +++ b/Documentation/ABI/testing/sysfs-bus-pci @@ -68,3 +68,30 @@ Description: that some devices may have malformatted data. If the underlying VPD has a writable section then the corresponding section of this file will be writable. + +What: /sys/bus/pci/devices/.../virtfnN +Date: March 2009 +Contact: Yu Zhao <yu.zhao@intel.com> +Description: + This symbolic link appears when hardware supports the SR-IOV + capability and the Physical Function driver has enabled it. + The symbolic link points to the PCI device sysfs entry of the + Virtual Function whose index is N (0...MaxVFs-1). + +What: /sys/bus/pci/devices/.../dep_link +Date: March 2009 +Contact: Yu Zhao <yu.zhao@intel.com> +Description: + This symbolic link appears when hardware supports the SR-IOV + capability and the Physical Function driver has enabled it, + and this device has vendor specific dependencies with others. + The symbolic link points to the PCI device sysfs entry of + Physical Function this device depends on. + +What: /sys/bus/pci/devices/.../physfn +Date: March 2009 +Contact: Yu Zhao <yu.zhao@intel.com> +Description: + This symbolic link appears when a device is a Virtual Function. + The symbolic link points to the PCI device sysfs entry of the + Physical Function this device associates with. |