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ABI: sysfs-bus-pci: add documentation for modalias

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Even being available since 2005, there's no documentation for
modalias.

Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/9ceb1fcdbef3c0d2d0368dcc2f19084a3e529ad1.1632750608.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mauro Carvalho Chehab
2021-09-27 15:59:39 +02:00
committed by Greg Kroah-Hartman
parent e95d6d8b01
commit 9919c339ba
1 changed files with 18 additions and 0 deletions
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18
Documentation/ABI/testing/sysfs-bus-pci
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@@ -187,6 +187,24 @@ Description:
The symbolic link points to the PCI device sysfs entry of the The symbolic link points to the PCI device sysfs entry of the
Physical Function this device associates with. Physical Function this device associates with.
What: /sys/bus/pci/devices/.../modalias
Date: May 2005
Contact: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Description:
This attribute indicates the PCI ID of the device object.
That is in the format:
pci:vXXXXXXXXdXXXXXXXXsvXXXXXXXXsdXXXXXXXXbcXXscXXiXX,
where:
- vXXXXXXXX contains the vendor ID;
- dXXXXXXXX contains the device ID;
- svXXXXXXXX contains the sub-vendor ID;
- sdXXXXXXXX contains the subsystem device ID;
- bcXX contains the device class;
- scXX contains the device subclass;
- iXX contains the device class programming interface.
What: /sys/bus/pci/slots/.../module What: /sys/bus/pci/slots/.../module
Date: June 2009 Date: June 2009
Contact: linux-pci@vger.kernel.org Contact: linux-pci@vger.kernel.org