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Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-cdx')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-cdx | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-cdx b/Documentation/ABI/testing/sysfs-bus-cdx index c2c54abffed5..8c067ff99e54 100644 --- a/Documentation/ABI/testing/sysfs-bus-cdx +++ b/Documentation/ABI/testing/sysfs-bus-cdx @@ -28,6 +28,36 @@ Description: of a device manufacturer. Combination of Vendor ID and Device ID identifies a device. +What: /sys/bus/cdx/devices/.../subsystem_vendor +Date: July 2023 +Contact: puneet.gupta@amd.com +Description: + Subsystem Vendor ID for this CDX device, in hexadecimal. + Subsystem Vendor ID is 16 bit identifier specific to the + card manufacturer. + +What: /sys/bus/cdx/devices/.../subsystem_device +Date: July 2023 +Contact: puneet.gupta@amd.com +Description: + Subsystem Device ID for this CDX device, in hexadecimal + Subsystem Device ID is 16 bit identifier specific to the + card manufacturer. + +What: /sys/bus/cdx/devices/.../class +Date: July 2023 +Contact: puneet.gupta@amd.com +Description: + This file contains the class of the CDX device, in hexadecimal. + Class is 24 bit identifier specifies the functionality of the device. + +What: /sys/bus/cdx/devices/.../revision +Date: July 2023 +Contact: puneet.gupta@amd.com +Description: + This file contains the revision field of the CDX device, in hexadecimal. + Revision is 8 bit revision identifier of the device. + What: /sys/bus/cdx/devices/.../enable Date: October 2023 Contact: abhijit.gangurde@amd.com @@ -67,3 +97,18 @@ Description: For example:: # echo 1 > /sys/bus/cdx/devices/.../remove + +What: /sys/bus/cdx/devices/.../modalias +Date: July 2023 +Contact: nipun.gupta@amd.com +Description: + This attribute indicates the CDX ID of the device. + That is in the format: + cdx:vXXXXdXXXXsvXXXXsdXXXXcXXXXXX, + where: + + - vXXXX contains the vendor ID; + - dXXXX contains the device ID; + - svXXXX contains the subsystem vendor ID; + - sdXXXX contains the subsystem device ID; + - cXXXXXX contains the device class. |