mlxsw: core_hwmon: Extend hwmon interface with critical and emergency alarms

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Add new attributes to hwmon object for exposing critical and emergency
alarms.

In case that current temperature is higher than emergency threshold,
EMERGENCY alarm will be reported in sensors utility:

$ sensors
...
front panel 025:  +55.0°C  (crit = +35.0°C, emerg = +40.0°C) ALARM(EMERGENCY)

In case that current temperature is higher than critical threshold,
CRIT alarm will be reported in sensors utility:

$ sensors
...
front panel 025:  +54.0°C  (crit = +35.0°C, emerg = +80.0°C) ALARM(CRIT)

Signed-off-by: Amit Cohen <amitc@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Acked-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

This commit is contained in:

Amit Cohen 2020-09-03 16:41:46 +03:00 • committed by David S. Miller

parent 02bed4e8b7

commit 91df5d3a72

1 changed files with 70 additions and 1 deletions

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drivers/net/ethernet/mellanox/mlxsw/core_hwmon.c

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