diff mbox series

[net-next,09/11] nfp: devlink: add 'reset_dev_on_drv_probe' support

Message ID 20190906160101.14866-10-simon.horman@netronome.com
State Changes Requested
Delegated to: David Miller
Headers show
Series nfp: implement firmware loading policy | expand

Commit Message

Simon Horman Sept. 6, 2019, 4 p.m. UTC 
From: Dirk van der Merwe <dirk.vandermerwe@netronome.com>

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: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
---
 Documentation/networking/devlink-params-nfp.txt    |  3 +++
 drivers/net/ethernet/netronome/nfp/devlink_param.c | 28 ++++++++++++++++++++++
 2 files changed, 31 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/networking/devlink-params-nfp.txt b/Documentation/networking/devlink-params-nfp.txt
index 85b1e36f73a8..43e4d4034865 100644
--- a/Documentation/networking/devlink-params-nfp.txt
+++ b/Documentation/networking/devlink-params-nfp.txt
@@ -1,2 +1,5 @@ 
 fw_load_policy		[DEVICE, GENERIC]
 			Configuration mode: permanent
+
+reset_dev_on_drv_probe	[DEVICE, GENERIC]
+			Configuration mode: permanent
diff --git a/drivers/net/ethernet/netronome/nfp/devlink_param.c b/drivers/net/ethernet/netronome/nfp/devlink_param.c
index d9c74cfba560..df5a5c88ee76 100644
--- a/drivers/net/ethernet/netronome/nfp/devlink_param.c
+++ b/drivers/net/ethernet/netronome/nfp/devlink_param.c
@@ -52,6 +52,29 @@  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] = {
+		.hwinfo_name = "abi_drv_reset",
+		.default_hi_val = NFP_NSP_DRV_RESET_DEFAULT,
+		.invalid_dl_val = DEVLINK_PARAM_RESET_DEV_VALUE_UNKNOWN,
+		.hi_to_dl = {
+			[NFP_NSP_DRV_RESET_ALWAYS] =
+				DEVLINK_PARAM_RESET_DEV_VALUE_ALWAYS,
+			[NFP_NSP_DRV_RESET_NEVER] =
+				DEVLINK_PARAM_RESET_DEV_VALUE_NEVER,
+			[NFP_NSP_DRV_RESET_DISK] =
+				DEVLINK_PARAM_RESET_DEV_VALUE_DISK,
+		},
+		.dl_to_hi = {
+			[DEVLINK_PARAM_RESET_DEV_VALUE_ALWAYS] =
+				NFP_NSP_DRV_RESET_ALWAYS,
+			[DEVLINK_PARAM_RESET_DEV_VALUE_NEVER] =
+				NFP_NSP_DRV_RESET_NEVER,
+			[DEVLINK_PARAM_RESET_DEV_VALUE_DISK] =
+				NFP_NSP_DRV_RESET_DISK,
+		},
+		.max_dl_val = DEVLINK_PARAM_RESET_DEV_VALUE_DISK,
+		.max_hi_val = NFP_NSP_DRV_RESET_NEVER,
+	}
 };
 
 static int
@@ -172,6 +195,11 @@  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,
+			      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)