Messages in this thread Patch in this message | | | Date | Wed, 22 Oct 2008 16:45:15 +0800 | From | Yu Zhao <> | Subject | [PATCH 15/16 v6] PCI: document the SR-IOV sysfs entries |
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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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