mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
2.0 KiB
44 lines
2.0 KiB
What: /sys/bus/platform/devices/.../driver_override |
|
Date: April 2014 |
|
Contact: Kim Phillips <[email protected]> |
|
Description: |
|
This file allows the driver for a device to be specified which |
|
will override standard OF, ACPI, ID table, and name matching. |
|
When specified, only a driver with a name matching the value |
|
written to driver_override will have an opportunity to bind |
|
to the device. The override is specified by writing a string |
|
to the driver_override file (echo vfio-platform > \ |
|
driver_override) and may be cleared with an empty string |
|
(echo > driver_override). This returns the device to standard |
|
matching rules binding. Writing to driver_override does not |
|
automatically unbind the device from its current driver or make |
|
any attempt to automatically load the specified driver. If no |
|
driver with a matching name is currently loaded in the kernel, |
|
the device will not bind to any driver. This also allows |
|
devices to opt-out of driver binding using a driver_override |
|
name such as "none". Only a single driver may be specified in |
|
the override, there is no support for parsing delimiters. |
|
|
|
What: /sys/bus/platform/devices/.../numa_node |
|
Date: June 2020 |
|
Contact: Barry Song <[email protected]> |
|
Description: |
|
This file contains the NUMA node to which the platform device |
|
is attached. It won't be visible if the node is unknown. The |
|
value comes from an ACPI _PXM method or a similar firmware |
|
source. Initial users for this file would be devices like |
|
arm smmu which are populated by arm64 acpi_iort. |
|
|
|
What: /sys/bus/platform/devices/.../msi_irqs/ |
|
Date: August 2021 |
|
Contact: Barry Song <[email protected]> |
|
Description: |
|
The /sys/devices/.../msi_irqs directory contains a variable set |
|
of files, with each file being named after a corresponding msi |
|
irq vector allocated to that device. |
|
|
|
What: /sys/bus/platform/devices/.../msi_irqs/<N> |
|
Date: August 2021 |
|
Contact: Barry Song <[email protected]> |
|
Description: |
|
This attribute will show "msi" if <N> is a valid msi irq
|
|
|