| Message ID | 1235112888-9524-7-git-send-email-yu.zhao@intel.com (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
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@intel.com> > --- > 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@intel.com> > +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@intel.com> > +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@intel.com> > +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@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
Matthew Wilcox wrote: > Randy, can you wordsmith this one? I'll try. > 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@intel.com> >> --- >> 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@intel.com> >> +Description: >> + This symbol link appears when hardware supports SR-IOV symbolic supports the SR-IOV >> + capability and Physical Function driver has enabled it. ^the | its | a >> + The symbol link points to the PCI device sysfs entry of symbolic >> + Virtual Function whose index is N (0...MaxVFs-1). the Virtual Function >> + >> +What: /sys/bus/pci/devices/.../virtfn/dep_link >> +Date: February 2009 >> +Contact: Yu Zhao <yu.zhao@intel.com> >> +Description: >> + This symbol link appears when hardware supports SR-IOV symbolic supports the SR-IOV >> + capability and Physical Function driver has enabled it, ^its | the | a >> + and this device has vendor specific dependencies with >> + others. The symbol link points to the PCI device sysfs symbolic >> + entry of Physical Function this device depends on. >> + >> +What: /sys/bus/pci/devices/.../physfn >> +Date: February 2009 >> +Contact: Yu Zhao <yu.zhao@intel.com> >> +Description: >> + This symbol link appears when a device is Virtual Function. symbolic is a Virtual Function. >> + The symbol link points to the PCI device sysfs entry of symbolic entry of the >> + Physical Function this device associates with. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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@intel.com> +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@intel.com> +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@intel.com> +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.
Signed-off-by: Yu Zhao <yu.zhao@intel.com> --- Documentation/ABI/testing/sysfs-bus-pci | 27 +++++++++++++++++++++++++++ 1 files changed, 27 insertions(+), 0 deletions(-)