4 Contact: Tomas Winkler <tomas.winkler@intel.com>
6 The mei/ class sub-directory belongs to mei device class
9 What: /sys/class/mei/meiN/
12 Contact: Tomas Winkler <tomas.winkler@intel.com>
14 The /sys/class/mei/meiN directory is created for
15 each probed mei device
17 What: /sys/class/mei/meiN/fw_status
20 Contact: Tomas Winkler <tomas.winkler@intel.com>
21 Description: Display fw status registers content
23 The ME FW writes its status information into fw status
24 registers for BIOS and OS to monitor fw health.
26 The register contains running state, power management
27 state, error codes, and others. The way the registers
28 are decoded depends on PCH or SoC generation.
29 Also number of registers varies between 1 and 6
30 depending on generation.