From: Yu Zhao Subject: [PATCH 15/16 v6] PCI: document the SR-IOV sysfs entries Date: Wed, 22 Oct 2008 16:45:15 +0800 Message-ID: <20081022084515.GO3773@yzhao12-linux.sh.intel.com> References: <20081022083809.GA3757@yzhao12-linux.sh.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "achiang@hp.com" , "grundler@parisc-linux.org" , "greg@kroah.com" , "mingo@elte.hu" , "jbarnes@virtuousgeek.org" , "matthew@wil.cx" , "randy.dunlap@oracle.com" , "rdreier@cisco.com" , "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" , "virtualization@lists.linux-foundation.org" To: "linux-pci@vger.kernel.org" Return-path: Received: from mga09.intel.com ([134.134.136.24]:47879 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755298AbYJVJlg (ORCPT ); Wed, 22 Oct 2008 05:41:36 -0400 Content-Disposition: inline In-Reply-To: <20081022083809.GA3757@yzhao12-linux.sh.intel.com> Sender: kvm-owner@vger.kernel.org List-ID: Document the SR-IOV sysfs entries. Cc: Alex Chiang Cc: Grant Grundler Cc: Greg KH Cc: Ingo Molnar Cc: Jesse Barnes Cc: Matthew Wilcox Cc: Randy Dunlap Cc: Roland Dreier Signed-off-by: Yu Zhao --- 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 +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 +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 +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 +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