diff --git a/Documentation/networking/devlink-params.txt b/Documentation/networking/devlink-params.txt index fadb5436188d..ddba3e9b55b1 100644 --- a/Documentation/networking/devlink-params.txt +++ b/Documentation/networking/devlink-params.txt @@ -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 diff --git a/include/net/devlink.h b/include/net/devlink.h index 460bc629d1a4..03e4d9244ff3 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -398,6 +398,7 @@ enum devlink_param_generic_id { DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, + DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, /* add new param generic ids above here*/ __DEVLINK_PARAM_GENERIC_ID_MAX, @@ -428,6 +429,10 @@ enum devlink_param_generic_id { #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 +#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ + "reset_dev_on_drv_probe" +#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 + #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ { \ .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h index c25cc29a6647..1da3e83f1fd4 100644 --- a/include/uapi/linux/devlink.h +++ b/include/uapi/linux/devlink.h @@ -205,6 +205,13 @@ enum devlink_param_fw_load_policy_value { DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DISK, }; +enum devlink_param_reset_dev_on_drv_probe_value { + DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_UNKNOWN, + DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_ALWAYS, + DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_NEVER, + DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_DISK, +}; + enum { DEVLINK_ATTR_STATS_RX_PACKETS, /* u64 */ DEVLINK_ATTR_STATS_RX_BYTES, /* u64 */ diff --git a/net/core/devlink.c b/net/core/devlink.c index 6e52d639dac6..4a2fb94c44cf 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -2852,6 +2852,11 @@ static const struct devlink_param devlink_param_generic[] = { .name = DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME, .type = DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE, }, + { + .id = DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, + .name = DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME, + .type = DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE, + }, }; static int devlink_param_generic_verify(const struct devlink_param *param)