[PATCH 06/17] ABI: sysfs-bus-pci: add documentation for modalias
From: Mauro Carvalho Chehab
Date: Mon Sep 27 2021 - 10:00:18 EST
Even being available since 2005, there's no documentation for
modalias.
Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
---
See [PATCH 00/17] at: https://lore.kernel.org/all/cover.1632750608.git.mchehab+huawei@xxxxxxxxxx/
Documentation/ABI/testing/sysfs-bus-pci | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci
index 191cbe9ae5ed..1eeac7f59672 100644
--- a/Documentation/ABI/testing/sysfs-bus-pci
+++ b/Documentation/ABI/testing/sysfs-bus-pci
@@ -187,6 +187,24 @@ Description:
The symbolic link points to the PCI device sysfs entry of the
Physical Function this device associates with.
+What: /sys/bus/pci/devices/.../modalias
+Date: May 2005
+Contact: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
+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
Date: June 2009
Contact: linux-pci@xxxxxxxxxxxxxxx
--
2.31.1