summaryrefslogtreecommitdiffstats
path: root/Documentation/ABI/testing/sysfs-bus-pci
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-pci')
-rw-r--r--Documentation/ABI/testing/sysfs-bus-pci35
1 files changed, 34 insertions, 1 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci
index d4ae03296861..6fc2c2efe8ab 100644
--- a/Documentation/ABI/testing/sysfs-bus-pci
+++ b/Documentation/ABI/testing/sysfs-bus-pci
@@ -1,4 +1,5 @@
What: /sys/bus/pci/drivers/.../bind
+What: /sys/devices/pciX/.../bind
Date: December 2003
Contact: linux-pci@vger.kernel.org
Description:
@@ -14,6 +15,7 @@ Description:
(Note: kernels before 2.6.28 may require echo -n).
What: /sys/bus/pci/drivers/.../unbind
+What: /sys/devices/pciX/.../unbind
Date: December 2003
Contact: linux-pci@vger.kernel.org
Description:
@@ -29,6 +31,7 @@ Description:
(Note: kernels before 2.6.28 may require echo -n).
What: /sys/bus/pci/drivers/.../new_id
+What: /sys/devices/pciX/.../new_id
Date: December 2003
Contact: linux-pci@vger.kernel.org
Description:
@@ -47,6 +50,7 @@ Description:
# echo "8086 10f5" > /sys/bus/pci/drivers/foo/new_id
What: /sys/bus/pci/drivers/.../remove_id
+What: /sys/devices/pciX/.../remove_id
Date: February 2009
Contact: Chris Wright <chrisw@sous-sol.org>
Description:
@@ -96,6 +100,17 @@ Description:
This attribute indicates the mode that the irq vector named by
the file is in (msi vs. msix)
+What: /sys/bus/pci/devices/.../irq
+Date: August 2021
+Contact: Linux PCI developers <linux-pci@vger.kernel.org>
+Description:
+ If a driver has enabled MSI (not MSI-X), "irq" contains the
+ IRQ of the first MSI vector. Otherwise "irq" contains the
+ IRQ of the legacy INTx interrupt.
+
+ "irq" being set to 0 indicates that the device isn't
+ capable of generating legacy INTx interrupts.
+
What: /sys/bus/pci/devices/.../remove
Date: January 2009
Contact: Linux PCI developers <linux-pci@vger.kernel.org>
@@ -160,7 +175,7 @@ Description:
If the underlying VPD has a writable section then the
corresponding section of this file will be writable.
-What: /sys/bus/pci/devices/.../virtfnN
+What: /sys/bus/pci/devices/.../virtfn<N>
Date: March 2009
Contact: Yu Zhao <yu.zhao@intel.com>
Description:
@@ -187,6 +202,24 @@ 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@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
Date: June 2009
Contact: linux-pci@vger.kernel.org