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-rw-r--r--Documentation/ABI/testing/sysfs-bus-pci27
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci
index 3d29793..d175a2a 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.