152 lines
6.0 KiB
Plaintext
152 lines
6.0 KiB
Plaintext
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/asic_health
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Date: June 2018
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KernelVersion: 4.19
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Contact: Vadim Pasternak <vadimpmellanox.com>
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Description: This file shows ASIC health status. The possible values are:
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0 - health failed, 2 - health OK, 3 - ASIC in booting state.
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The files are read only.
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld1_version
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld2_version
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Date: June 2018
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KernelVersion: 4.19
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Contact: Vadim Pasternak <vadimpmellanox.com>
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Description: These files show with which CPLD versions have been burned
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on carrier and switch boards.
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The files are read only.
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/fan_dir
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Date: December 2018
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KernelVersion: 5.0
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Contact: Vadim Pasternak <vadimpmellanox.com>
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Description: This file shows the system fans direction:
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forward direction - relevant bit is set 0;
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reversed direction - relevant bit is set 1.
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The files are read only.
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld3_version
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Date: November 2018
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KernelVersion: 5.0
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Contact: Vadim Pasternak <vadimpmellanox.com>
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Description: These files show with which CPLD versions have been burned
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on LED or Gearbox board.
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The files are read only.
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/jtag_enable
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Date: November 2018
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KernelVersion: 5.0
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Contact: Vadim Pasternak <vadimpmellanox.com>
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Description: These files enable and disable the access to the JTAG domain.
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By default access to the JTAG domain is disabled.
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The file is read/write.
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/select_iio
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Date: June 2018
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KernelVersion: 4.19
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Contact: Vadim Pasternak <vadimpmellanox.com>
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Description: This file allows iio devices selection.
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Attribute select_iio can be written with 0 or with 1. It
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selects which one of iio devices can be accessed.
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The file is read/write.
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/psu1_on
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/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/psu2_on
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/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/pwr_cycle
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/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/pwr_down
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Date: June 2018
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KernelVersion: 4.19
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Contact: Vadim Pasternak <vadimpmellanox.com>
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Description: These files allow asserting system power cycling, switching
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power supply units on and off and system's main power domain
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shutdown.
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Expected behavior:
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When pwr_cycle is written 1: auxiliary power domain will go
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down and after short period (about 1 second) up.
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When psu1_on or psu2_on is written 1, related unit will be
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disconnected from the power source, when written 0 - connected.
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If both are written 1 - power supplies main power domain will
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go down.
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When pwr_down is written 1, system's main power domain will go
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down.
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The files are write only.
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_aux_pwr_or_ref
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_asic_thermal
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_hotswap_or_halt
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_hotswap_or_wd
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_fw_reset
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_long_pb
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_main_pwr_fail
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_short_pb
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_sw_reset
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Date: June 2018
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KernelVersion: 4.19
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Contact: Vadim Pasternak <vadimpmellanox.com>
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Description: These files show the system reset cause, as following: power
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auxiliary outage or power refresh, ASIC thermal shutdown, halt,
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hotswap, watchdog, firmware reset, long press power button,
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short press power button, software reset. Value 1 in file means
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this is reset cause, 0 - otherwise. Only one of the above
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causes could be 1 at the same time, representing only last
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reset cause.
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The files are read only.
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_comex_pwr_fail
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_from_comex
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_system
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_voltmon_upgrade_fail
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Date: November 2018
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KernelVersion: 5.0
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Contact: Vadim Pasternak <vadimpmellanox.com>
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Description: These files show the system reset cause, as following: ComEx
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power fail, reset from ComEx, system platform reset, reset
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due to voltage monitor devices upgrade failure,
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Value 1 in file means this is reset cause, 0 - otherwise.
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Only one bit could be 1 at the same time, representing only
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the last reset cause.
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The files are read only.
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld4_version
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Date: November 2018
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KernelVersion: 5.0
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Contact: Vadim Pasternak <vadimpmellanox.com>
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Description: These files show with which CPLD versions have been burned
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on LED board.
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The files are read only.
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Date: June 2019
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KernelVersion: 5.3
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Contact: Vadim Pasternak <vadimpmellanox.com>
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Description: These files show the system reset cause, as following:
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COMEX thermal shutdown; wathchdog power off or reset was derived
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by one of the next components: COMEX, switch board or by Small Form
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Factor mezzanine, reset requested from ASIC, reset cuased by BIOS
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reload. Value 1 in file means this is reset cause, 0 - otherwise.
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Only one of the above causes could be 1 at the same time, representing
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only last reset cause.
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The files are read only.
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_comex_thermal
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_comex_wd
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_from_asic
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_reload_bios
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_sff_wd
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What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_swb_wd
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