1f193f798SVadim PasternakWhat: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/ 2f193f798SVadim Pasternak asic_health 3f193f798SVadim Pasternak 4f193f798SVadim PasternakDate: June 2018 5f193f798SVadim PasternakKernelVersion: 4.19 6f193f798SVadim PasternakContact: Vadim Pasternak <vadimpmellanox.com> 7f193f798SVadim PasternakDescription: This file shows ASIC health status. The possible values are: 8f193f798SVadim Pasternak 0 - health failed, 2 - health OK, 3 - ASIC in booting state. 9f193f798SVadim Pasternak 10f193f798SVadim Pasternak The files are read only. 11f193f798SVadim Pasternak 12f193f798SVadim PasternakWhat: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/ 13f193f798SVadim Pasternak cpld1_version 14f193f798SVadim Pasternak cpld2_version 15f193f798SVadim Pasternak 16f193f798SVadim PasternakDate: June 2018 17f193f798SVadim PasternakKernelVersion: 4.19 18f193f798SVadim PasternakContact: Vadim Pasternak <vadimpmellanox.com> 19f193f798SVadim PasternakDescription: These files show with which CPLD versions have been burned 20f193f798SVadim Pasternak on carrier and switch boards. 21f193f798SVadim Pasternak 22f193f798SVadim Pasternak The files are read only. 23f193f798SVadim Pasternak 24f193f798SVadim PasternakWhat: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/select_iio 25f193f798SVadim PasternakDate: June 2018 26f193f798SVadim PasternakKernelVersion: 4.19 27f193f798SVadim PasternakContact: Vadim Pasternak <vadimpmellanox.com> 28f193f798SVadim PasternakDescription: This file allows iio devices selection. 29f193f798SVadim Pasternak 30f193f798SVadim Pasternak Attribute select_iio can be written with 0 or with 1. It 31f193f798SVadim Pasternak selects which one of iio devices can be accessed. 32f193f798SVadim Pasternak 33f193f798SVadim Pasternak The file is read/write. 34f193f798SVadim Pasternak 35f193f798SVadim PasternakWhat: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/psu1_on 36f193f798SVadim Pasternak /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/psu2_on 37f193f798SVadim Pasternak /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/pwr_cycle 38f193f798SVadim Pasternak /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/pwr_down 39f193f798SVadim PasternakDate: June 2018 40f193f798SVadim PasternakKernelVersion: 4.19 41f193f798SVadim PasternakContact: Vadim Pasternak <vadimpmellanox.com> 42f193f798SVadim PasternakDescription: These files allow asserting system power cycling, switching 43f193f798SVadim Pasternak power supply units on and off and system's main power domain 44f193f798SVadim Pasternak shutdown. 45f193f798SVadim Pasternak Expected behavior: 46f193f798SVadim Pasternak When pwr_cycle is written 1: auxiliary power domain will go 47f193f798SVadim Pasternak down and after short period (about 1 second) up. 48f193f798SVadim Pasternak When psu1_on or psu2_on is written 1, related unit will be 49f193f798SVadim Pasternak disconnected from the power source, when written 0 - connected. 50f193f798SVadim Pasternak If both are written 1 - power supplies main power domain will 51f193f798SVadim Pasternak go down. 52f193f798SVadim Pasternak When pwr_down is written 1, system's main power domain will go 53f193f798SVadim Pasternak down. 54f193f798SVadim Pasternak 55f193f798SVadim Pasternak The files are write only. 56f193f798SVadim Pasternak 57f193f798SVadim PasternakWhat: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/ 58f193f798SVadim Pasternak reset_aux_pwr_or_ref 59f193f798SVadim Pasternak reset_asic_thermal 60*a34e1343SVadim Pasternak reset_hotswap_or_halt 61f193f798SVadim Pasternak reset_hotswap_or_wd 62f193f798SVadim Pasternak reset_fw_reset 63f193f798SVadim Pasternak reset_long_pb 64f193f798SVadim Pasternak reset_main_pwr_fail 65f193f798SVadim Pasternak reset_short_pb 66f193f798SVadim Pasternak reset_sw_reset 67f193f798SVadim PasternakDate: June 2018 68f193f798SVadim PasternakKernelVersion: 4.19 69f193f798SVadim PasternakContact: Vadim Pasternak <vadimpmellanox.com> 70f193f798SVadim PasternakDescription: These files show the system reset cause, as following: power 71*a34e1343SVadim Pasternak auxiliary outage or power refresh, ASIC thermal shutdown, halt, 72*a34e1343SVadim Pasternak hotswap, watchdog, firmware reset, long press power button, 73f193f798SVadim Pasternak short press power button, software reset. Value 1 in file means 74f193f798SVadim Pasternak this is reset cause, 0 - otherwise. Only one of the above 75f193f798SVadim Pasternak causes could be 1 at the same time, representing only last 76f193f798SVadim Pasternak reset cause. 77f193f798SVadim Pasternak 78f193f798SVadim Pasternak The files are read only. 79