diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-class-mei')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-mei | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-mei b/Documentation/ABI/testing/sysfs-class-mei new file mode 100644 index 000000000..80d9888a8 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-mei @@ -0,0 +1,31 @@ +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. + |