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PCI: export SMBIOS provided firmware instance and label to sysfs

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This patch exports SMBIOS provided firmware instance and label of
onboard PCI devices to sysfs.  New files are:
  /sys/bus/pci/devices/.../label which contains the firmware name for
the device in question, and
  /sys/bus/pci/devices/.../index which contains the firmware device type
instance for the given device.

Signed-off-by: Jordan Hargrave <[email protected]>
Signed-off-by: Narendra K <[email protected]>
Signed-off-by: Jesse Barnes <[email protected]>
This commit is contained in:
Narendra K 2010-07-26 05:56:50 -05:00 • committed by Jesse Barnes
commit 911e1c9b05
7 changed files with 221 additions and 0 deletions
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27
Documentation/ABI/testing/sysfs-bus-pci
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@ -139,3 +139,30 @@ Contact: [email protected]
Description:
This symbolic link points to the PCI hotplug controller driver
module that manages the hotplug slot.
What: /sys/bus/pci/devices/.../label
Date: July 2010
Contact: Narendra K <[email protected]>, [email protected]
Description:
Reading this attribute will provide the firmware
given name(SMBIOS type 41 string) of the PCI device.
The attribute will be created only if the firmware
has given a name to the PCI device.
Users:
Userspace applications interested in knowing the
firmware assigned name of the PCI device.
What: /sys/bus/pci/devices/.../index
Date: July 2010
Contact: Narendra K <[email protected]>, [email protected]
Description:
Reading this attribute will provide the firmware
given instance(SMBIOS type 41 device type instance)
of the PCI device. The attribute will be created
only if the firmware has given a device type instance
to the PCI device.
Users:
Userspace applications interested in knowing the
firmware assigned device type instance of the PCI
device that can help in understanding the firmware
intended order of the PCI device.