mirror of https://gitee.com/openkylin/linux.git
93 lines
2.5 KiB
Plaintext
93 lines
2.5 KiB
Plaintext
What: /sys/class/mei/
|
|
Date: May 2014
|
|
KernelVersion: 3.17
|
|
Contact: Tomas Winkler <tomas.winkler@intel.com>
|
|
Description:
|
|
The mei/ class sub-directory belongs to mei device class
|
|
|
|
|
|
What: /sys/class/mei/meiN/
|
|
Date: May 2014
|
|
KernelVersion: 3.17
|
|
Contact: Tomas Winkler <tomas.winkler@intel.com>
|
|
Description:
|
|
The /sys/class/mei/meiN directory is created for
|
|
each probed mei device
|
|
|
|
What: /sys/class/mei/meiN/fw_status
|
|
Date: Nov 2014
|
|
KernelVersion: 3.19
|
|
Contact: Tomas Winkler <tomas.winkler@intel.com>
|
|
Description: Display fw status registers content
|
|
|
|
The ME FW writes its status information into fw status
|
|
registers for BIOS and OS to monitor fw health.
|
|
|
|
The register contains running state, power management
|
|
state, error codes, and others. The way the registers
|
|
are decoded depends on PCH or SoC generation.
|
|
Also number of registers varies between 1 and 6
|
|
depending on generation.
|
|
|
|
What: /sys/class/mei/meiN/hbm_ver
|
|
Date: Aug 2016
|
|
KernelVersion: 4.9
|
|
Contact: Tomas Winkler <tomas.winkler@intel.com>
|
|
Description: Display the negotiated HBM protocol version.
|
|
|
|
The HBM protocol version negotiated
|
|
between the driver and the device.
|
|
|
|
What: /sys/class/mei/meiN/hbm_ver_drv
|
|
Date: Aug 2016
|
|
KernelVersion: 4.9
|
|
Contact: Tomas Winkler <tomas.winkler@intel.com>
|
|
Description: Display the driver HBM protocol version.
|
|
|
|
The HBM protocol version supported by the driver.
|
|
|
|
What: /sys/class/mei/meiN/tx_queue_limit
|
|
Date: Jan 2018
|
|
KernelVersion: 4.16
|
|
Contact: Tomas Winkler <tomas.winkler@intel.com>
|
|
Description: Configure tx queue limit
|
|
|
|
Set maximal number of pending writes
|
|
per opened session.
|
|
|
|
What: /sys/class/mei/meiN/fw_ver
|
|
Date: May 2018
|
|
KernelVersion: 4.18
|
|
Contact: Tomas Winkler <tomas.winkler@intel.com>
|
|
Description: Display the ME firmware version.
|
|
|
|
The version of the platform ME firmware is in format:
|
|
<platform>:<major>.<minor>.<milestone>.<build_no>.
|
|
There can be up to three such blocks for different
|
|
FW components.
|
|
|
|
What: /sys/class/mei/meiN/dev_state
|
|
Date: Mar 2019
|
|
KernelVersion: 5.1
|
|
Contact: Tomas Winkler <tomas.winkler@intel.com>
|
|
Description: Display the ME device state.
|
|
|
|
The device state can have following values:
|
|
INITIALIZING
|
|
INIT_CLIENTS
|
|
ENABLED
|
|
RESETTING
|
|
DISABLED
|
|
POWER_DOWN
|
|
POWER_UP
|
|
|
|
What: /sys/class/mei/meiN/trc
|
|
Date: Nov 2019
|
|
KernelVersion: 5.5
|
|
Contact: Tomas Winkler <tomas.winkler@intel.com>
|
|
Description: Display trc status register content
|
|
|
|
The ME FW writes Glitch Detection HW (TRC)
|
|
status information into trc status register
|
|
for BIOS and OS to monitor fw health.
|