[PATCH v10 6/7] PCI: document SR-IOV sysfs entries

Yu Zhao
2009-02-20T06:54:56Z

Signed-off-by: Yu Zhao <yu.zhao@intel.com>
---
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 ceddcff..84dc100 100644
--- a/Documentation/ABI/testing/sysfs-bus-pci
+++ b/Documentation/ABI/testing/sysfs-bus-pci
@@ -9,3 +9,30 @@ 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/.../virtfn/N
+Date: February 2009
+Contact: Yu Zhao <yu.zhao@intel.com>
+Description:
+ This symbol link appears when hardware supports SR-IOV
+ capability and Physical Function driver has enabled it.
+ The symbol link points to the PCI device sysfs entry of
+ Virtual Function whose index is N (0...MaxVFs-1).
+
+What: /sys/bus/pci/devices/.../virtfn/dep_link
+Date: February 2009
+Contact: Yu Zhao <yu.zhao@intel.com>
+Description:
+ This symbol link appears when hardware supports SR-IOV
+ capability and Physical Function driver has enabled it,
+ and this device has vendor specific dependencies with
+ others. The symbol link points to the PCI device sysfs
+ entry of Physical Function this device depends on.
+
+What: /sys/bus/pci/devices/.../physfn
+Date: February 2009
+Contact: Yu Zhao <yu.zhao@intel.com>
+Description:
+ This symbol link appears when a device is Virtual Function.
+ The symbol link points to the PCI device sysfs entry of
+ Physical Function this device associates with.
--
1.6.1