Document the SR-IOV sysfs entries.
Cc: Alex Chiang <[EMAIL PROTECTED]>
Cc: Grant Grundler <[EMAIL PROTECTED]>
Cc: Greg KH <[EMAIL PROTECTED]>
Cc: Ingo Molnar <[EMAIL PROTECTED]>
Cc: Jesse Barnes <[EMAIL PROTECTED]>
Cc: Matthew Wilcox <[EMAIL PROTECTED]>
Cc: Randy Dunlap <[EMAIL PROTECTED]>
Cc: Roland Dreier <[EMAIL PROTECTED]>
Signed-off-by: Yu Zhao <[EMAIL PROTECTED]>
---
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 <[EMAIL PROTECTED]>
+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 <[EMAIL PROTECTED]>
+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 <[EMAIL PROTECTED]>
+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 <[EMAIL PROTECTED]>
+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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