Randy, can you wordsmith this one? I think I'm starting to understand the difference between physfn and dep_link, but an example would definitely help. It may or may not be appropriate to put it in. On Fri, Feb 20, 2009 at 02:54:47PM +0800, Yu Zhao wrote: > Signed-off-by: Yu Zhao <yu.zhao@xxxxxxxxx> > --- > Documentation/ABI/testing/sysfs-bus-pci | 27 +++++++++++++++++++++++++++ > 1 files changed, 27 insertions(+), 0 deletions(-) > > diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci > index ceddcff..84dc100 100644 > --- a/Documentation/ABI/testing/sysfs-bus-pci > +++ b/Documentation/ABI/testing/sysfs-bus-pci > @@ -9,3 +9,30 @@ 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/.../virtfn/N > +Date: February 2009 > +Contact: Yu Zhao <yu.zhao@xxxxxxxxx> > +Description: > + This symbol link appears when hardware supports SR-IOV > + capability and Physical Function driver has enabled it. > + The symbol link points to the PCI device sysfs entry of > + Virtual Function whose index is N (0...MaxVFs-1). > + > +What: /sys/bus/pci/devices/.../virtfn/dep_link > +Date: February 2009 > +Contact: Yu Zhao <yu.zhao@xxxxxxxxx> > +Description: > + This symbol link appears when hardware supports SR-IOV > + capability and Physical Function driver has enabled it, > + and this device has vendor specific dependencies with > + others. The symbol link points to the PCI device sysfs > + entry of Physical Function this device depends on. > + > +What: /sys/bus/pci/devices/.../physfn > +Date: February 2009 > +Contact: Yu Zhao <yu.zhao@xxxxxxxxx> > +Description: > + This symbol link appears when a device is Virtual Function. > + The symbol link points to the PCI device sysfs entry of > + Physical Function this device associates with. > -- > 1.6.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-pci" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
