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- What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/
- asic_health
- Date: June 2018
- KernelVersion: 4.19
- Contact: Vadim Pasternak <vadimpmellanox.com>
- Description: This file shows ASIC health status. The possible values are:
- 0 - health failed, 2 - health OK, 3 - ASIC in booting state.
- The files are read only.
- What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/
- cpld1_version
- cpld2_version
- Date: June 2018
- KernelVersion: 4.19
- Contact: Vadim Pasternak <vadimpmellanox.com>
- Description: These files show with which CPLD versions have been burned
- on carrier and switch boards.
- The files are read only.
- What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/select_iio
- Date: June 2018
- KernelVersion: 4.19
- Contact: Vadim Pasternak <vadimpmellanox.com>
- Description: This file allows iio devices selection.
- Attribute select_iio can be written with 0 or with 1. It
- selects which one of iio devices can be accessed.
- The file is read/write.
- What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/psu1_on
- /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/psu2_on
- /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/pwr_cycle
- /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/pwr_down
- Date: June 2018
- KernelVersion: 4.19
- Contact: Vadim Pasternak <vadimpmellanox.com>
- Description: These files allow asserting system power cycling, switching
- power supply units on and off and system's main power domain
- shutdown.
- Expected behavior:
- When pwr_cycle is written 1: auxiliary power domain will go
- down and after short period (about 1 second) up.
- When psu1_on or psu2_on is written 1, related unit will be
- disconnected from the power source, when written 0 - connected.
- If both are written 1 - power supplies main power domain will
- go down.
- When pwr_down is written 1, system's main power domain will go
- down.
- The files are write only.
- What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/
- reset_aux_pwr_or_ref
- reset_asic_thermal
- reset_hotswap_or_halt
- reset_hotswap_or_wd
- reset_fw_reset
- reset_long_pb
- reset_main_pwr_fail
- reset_short_pb
- reset_sw_reset
- Date: June 2018
- KernelVersion: 4.19
- Contact: Vadim Pasternak <vadimpmellanox.com>
- Description: These files show the system reset cause, as following: power
- auxiliary outage or power refresh, ASIC thermal shutdown, halt,
- hotswap, watchdog, firmware reset, long press power button,
- short press power button, software reset. Value 1 in file means
- this is reset cause, 0 - otherwise. Only one of the above
- causes could be 1 at the same time, representing only last
- reset cause.
- The files are read only.
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