mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 00:48:50 +00:00
0d502366d6
An "N" upper letter is not a wildcard, nor can easily be identified by script, specially since the USB sysfs define things like. bNumInterfaces. Use, instead, <N>, in order to let script/get_abi.pl to convert it into a Regex. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/3789f936a637f1b4059400099ae7a592cd4df8f5.1631782432.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
105 lines
2.8 KiB
Text
105 lines
2.8 KiB
Text
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/mei<N>/
|
|
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/mei<N>/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/mei<N>/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/mei<N>/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/mei<N>/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/mei<N>/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/mei<N>/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/mei<N>/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.
|
|
|
|
What: /sys/class/mei/mei<N>/kind
|
|
Date: Jul 2020
|
|
KernelVersion: 5.8
|
|
Contact: Tomas Winkler <tomas.winkler@intel.com>
|
|
Description: Display kind of the device
|
|
|
|
Generic devices are marked as "mei"
|
|
while special purpose have their own
|
|
names.
|
|
Available options:
|
|
- mei: generic mei device.
|
|
- itouch: itouch (ipts) mei device.
|