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Commit ba07e3aa authored by Vadim Pasternak's avatar Vadim Pasternak Committed by Andy Shevchenko
Browse files

Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces 



Add documentation for the new attributes for exposing reset causes for
the next type of resets: caused by different watchdog, BIOS reload,
ASIC reset request.

Signed-off-by: default avatarVadim Pasternak <vadimp@mellanox.com>
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
parent 262d861b

Documentation/ABI/stable/sysfs-driver-mlxreg-io

+20 −0
Original line number Diff line number Diff line
@@ -127,3 +127,23 @@ Description: These files show the system reset cause, as following: ComEx 
		the last reset cause.



		The files are read only.



Date:		June 2019

KernelVersion:	5.3

Contact:	Vadim Pasternak <vadimpmellanox.com>

Description:	These files show the system reset cause, as following:

		COMEX thermal shutdown; wathchdog power off or reset was derived

		by one of the next components: COMEX, switch board or by Small Form

		Factor mezzanine, reset requested from ASIC, reset cuased by BIOS

		reload. 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.



What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_comex_thermal

What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_comex_wd

What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_from_asic

What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_reload_bios

What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_sff_wd

What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_swb_wd