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Subject[PATCH 15/16 v6] PCI: document the SR-IOV sysfs entries
Document the SR-IOV sysfs entries.

Cc: Alex Chiang <achiang@hp.com>
Cc: Grant Grundler <grundler@parisc-linux.org>
Cc: Greg KH <greg@kroah.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Roland Dreier <rdreier@cisco.com>
Signed-off-by: Yu Zhao <yu.zhao@intel.com>

---
Documentation/ABI/testing/sysfs-bus-pci | 33 +++++++++++++++++++++++++++++++
1 files changed, 33 insertions(+), 0 deletions(-)
diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci
index ceddcff..41cce8f 100644
--- a/Documentation/ABI/testing/sysfs-bus-pci
+++ b/Documentation/ABI/testing/sysfs-bus-pci
@@ -9,3 +9,36 @@ 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/.../iov/enable
+Date: October 2008
+Contact: Yu Zhao <yu.zhao@intel.com>
+Description:
+ This file appears when a device has the SR-IOV capability.
+ It holds the status of the capability, and could be written
+ (0/1) to disable and enable the capability if the PF driver
+ supports this operation.
+
+What: /sys/bus/pci/devices/.../iov/initialvfs
+Date: October 2008
+Contact: Yu Zhao <yu.zhao@intel.com>
+Description:
+ This file appears when a device has the SR-IOV capability.
+ It holds the number of initial Virtual Functions (read-only).
+
+What: /sys/bus/pci/devices/.../iov/totalvfs
+Date: October 2008
+Contact: Yu Zhao <yu.zhao@intel.com>
+Description:
+ This file appears when a device has the SR-IOV capability.
+ It holds the number of total Virtual Functions (read-only).
+
+
+What: /sys/bus/pci/devices/.../iov/numvfs
+Date: October 2008
+Contact: Yu Zhao <yu.zhao@intel.com>
+Description:
+ This file appears when a device has the SR-IOV capability.
+ It holds the number of available Virtual Functions, and
+ could be written (1 ~ InitialVFs) to change the number if
+ the PF driver supports this operation.
--
1.5.6.4


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