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Commit 0fbee0ec authored by Dirk van der Merwe's avatar Dirk van der Merwe Committed by David S. Miller
Browse files

nfp: devlink: add 'reset_dev_on_drv_probe' support 



Add support for the 'reset_dev_on_drv_probe' devlink parameter. The
reset control policy is controlled by the 'abi_drv_reset' hwinfo key.

Signed-off-by: default avatarDirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: default avatarJakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: default avatarSimon Horman <simon.horman@netronome.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ff04788c

Documentation/networking/devlink-params-nfp.txt

+3 −0
Original line number Diff line number Diff line 
fw_load_policy		[DEVICE, GENERIC]

			Configuration mode: permanent



reset_dev_on_drv_probe	[DEVICE, GENERIC]

			Configuration mode: permanent

drivers/net/ethernet/netronome/nfp/devlink_param.c

+29 −0
Original line number Diff line number Diff line
@@ -52,6 +52,30 @@ static const struct nfp_devlink_param_u8_arg nfp_devlink_u8_args[] = { 
		.max_dl_val = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DISK,

		.max_hi_val = NFP_NSP_APP_FW_LOAD_PREF,

	},

	[DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE] = {

		.hwinfo_name = "abi_drv_reset",

		.default_hi_val = NFP_NSP_DRV_RESET_DEFAULT,

		.invalid_dl_val =

			DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_UNKNOWN,

		.hi_to_dl = {

			[NFP_NSP_DRV_RESET_ALWAYS] =

				DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_ALWAYS,

			[NFP_NSP_DRV_RESET_NEVER] =

				DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_NEVER,

			[NFP_NSP_DRV_RESET_DISK] =

				DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_DISK,

		},

		.dl_to_hi = {

			[DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_ALWAYS] =

				NFP_NSP_DRV_RESET_ALWAYS,

			[DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_NEVER] =

				NFP_NSP_DRV_RESET_NEVER,

			[DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_DISK] =

				NFP_NSP_DRV_RESET_DISK,

		},

		.max_dl_val = DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_DISK,

		.max_hi_val = NFP_NSP_DRV_RESET_NEVER,

	}

};



static int
@@ -172,6 +196,11 @@ static const struct devlink_param nfp_devlink_params[] = { 
			      nfp_devlink_param_u8_get,

			      nfp_devlink_param_u8_set,

			      nfp_devlink_param_u8_validate),

	DEVLINK_PARAM_GENERIC(RESET_DEV_ON_DRV_PROBE,

			      BIT(DEVLINK_PARAM_CMODE_PERMANENT),

			      nfp_devlink_param_u8_get,

			      nfp_devlink_param_u8_set,

			      nfp_devlink_param_u8_validate),

};



static int nfp_devlink_supports_params(struct nfp_pf *pf)