On Thursday, August 14, 2008 7:46 AM, Greg KH <mailto:greg@xxxxxxxxx> wrote: > On Wed, Aug 13, 2008 at 01:09:16PM -0700, Randy Dunlap wrote: >> On Tue, 12 Aug 2008 16:46:39 +0800 Zhao, Yu wrote: >> >>> [PATCH 4/4] PCI: document SR-IOV >>> >>> SR-IOV Documentation. >>> >>> Signed-off-by: Yu Zhao <yu.zhao@xxxxxxxxx> >>> Signed-off-by: Eddie Dong <eddie.dong@xxxxxxxxx> >>> >>> --- >>> Documentation/ABI/testing/sysfs-bus-pci | 13 ++ >>> Documentation/PCI/00-INDEX | 2 >>> Documentation/PCI/pci-iov-howto.txt | 170 > +++++++++++++++++++++++++++++++ >>> 3 files changed, 185 insertions(+), 0 deletions(-) >>> >>> diff --git a/Documentation/ABI/testing/sysfs-bus-pci > b/Documentation/ABI/testing/sysfs-bus-pci >>> index ceddcff..9ada27b 100644 >>> --- a/Documentation/ABI/testing/sysfs-bus-pci >>> +++ b/Documentation/ABI/testing/sysfs-bus-pci >>> @@ -9,3 +9,16 @@ 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 >>> +Date: August 2008 >>> +Contact: Yu Zhao <yu.zhao@xxxxxxxxx> >>> +Description: >>> + This file will appear when SR-IOV capability is enabled >>> + by the device driver if supported. It holds number of >>> + available Virtual Functions and Bus, Device, Function >>> + number and status of these Virtual Functions that belong >>> + to this device (Physical Function). This file can be >> >> This one file contains available VFs, Bus:dev:Func number, and >> status? Sounds like a misuse (abuse) of sysfs "one value per file" >> mantra, but I'll read below to see how it's done. >> >> [added GregKH to cc: list] > > I agree, why not just display the device tree of available devices > like all other busses do? > Thanks for the comments. Will separate this file to /sys/bus/pci/devices/.../iov/{NumVFs,VF1,VF2,...}. The NumVFs file contains number of available VFs, and each VF file contains "bus:dev.func=status". Sounds better? > thanks, > > greg k-h _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
