linux/Documentation/ABI/testing/sysfs-bus-mei
Alexander Usyskin 2dd1e5ae8c mei: add vtag support bit in client properties
Vtag support is on a client basis, meaning not every client
supports it. The vtag capability is communicated via the client properties
structure during client enumeration process.
Export the propertiy via sysfs.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200818115147.2567012-4-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-08-18 15:44:43 +02:00

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What: /sys/bus/mei/devices/.../modalias
Date: March 2013
KernelVersion: 3.10
Contact: Samuel Ortiz <sameo@linux.intel.com>
linux-mei@linux.intel.com
Description: Stores the same MODALIAS value emitted by uevent
Format: mei:<mei device name>:<device uuid>:<protocol version>
What: /sys/bus/mei/devices/.../name
Date: May 2015
KernelVersion: 4.2
Contact: Tomas Winkler <tomas.winkler@intel.com>
Description: Stores mei client device name
Format: string
What: /sys/bus/mei/devices/.../uuid
Date: May 2015
KernelVersion: 4.2
Contact: Tomas Winkler <tomas.winkler@intel.com>
Description: Stores mei client device uuid
Format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
What: /sys/bus/mei/devices/.../version
Date: Aug 2015
KernelVersion: 4.3
Contact: Tomas Winkler <tomas.winkler@intel.com>
Description: Stores mei client protocol version
Format: %d
What: /sys/bus/mei/devices/.../max_conn
Date: Nov 2019
KernelVersion: 5.5
Contact: Tomas Winkler <tomas.winkler@intel.com>
Description: Stores mei client maximum number of connections
Format: %d
What: /sys/bus/mei/devices/.../fixed
Date: Nov 2019
KernelVersion: 5.5
Contact: Tomas Winkler <tomas.winkler@intel.com>
Description: Stores mei client fixed address, if any
Format: %d
What: /sys/bus/mei/devices/.../vtag
Date: Nov 2020
KernelVersion: 5.9
Contact: Tomas Winkler <tomas.winkler@intel.com>
Description: Stores mei client vtag support status
Format: %d
What: /sys/bus/mei/devices/.../max_len
Date: Nov 2019
KernelVersion: 5.5
Contact: Tomas Winkler <tomas.winkler@intel.com>
Description: Stores mei client maximum message length
Format: %d