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devlink: add 'reset_dev_on_drv_probe' param

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Add the 'reset_dev_on_drv_probe' devlink parameter, controlling the
device reset policy on driver probe.

This parameter is useful in conjunction with the existing
'fw_load_policy' parameter.

Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dirk van der Merwe
2019-09-09 00:54:18 +01:00
committed by David S. Miller
parent e019a3b17f
commit 5bbd21df5a
4 changed files with 31 additions and 0 deletions
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14
Documentation/networking/devlink-params.txt
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@@ -51,3 +51,17 @@ fw_load_policy [DEVICE, GENERIC]
* DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DISK (2)
Load firmware currently available on host's disk.
Type: u8
reset_dev_on_drv_probe [DEVICE, GENERIC]
Controls the device's reset policy on driver probe.
Valid values:
* DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_UNKNOWN (0)
Unknown or invalid value.
* DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_ALWAYS (1)
Always reset device on driver probe.
* DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_NEVER (2)
Never reset device on driver probe.
* DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_DISK (3)
Reset only if device firmware can be found in the
filesystem.
Type: u8