diff options
Diffstat (limited to 'include/net/devlink.h')
| -rw-r--r-- | include/net/devlink.h | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/include/net/devlink.h b/include/net/devlink.h index e336ea9c73df..b9b89d6604d4 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -27,6 +27,9 @@ struct devlink { struct list_head sb_list; struct list_head dpipe_table_list; struct list_head resource_list; + struct list_head param_list; + struct list_head region_list; + u32 snapshot_id; struct devlink_dpipe_headers *dpipe_headers; const struct devlink_ops *ops; struct device *dev; @@ -295,6 +298,115 @@ struct devlink_resource { #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 +#define DEVLINK_PARAM_MAX_STRING_VALUE 32 +enum devlink_param_type { + DEVLINK_PARAM_TYPE_U8, + DEVLINK_PARAM_TYPE_U16, + DEVLINK_PARAM_TYPE_U32, + DEVLINK_PARAM_TYPE_STRING, + DEVLINK_PARAM_TYPE_BOOL, +}; + +union devlink_param_value { + u8 vu8; + u16 vu16; + u32 vu32; + const char *vstr; + bool vbool; +}; + +struct devlink_param_gset_ctx { + union devlink_param_value val; + enum devlink_param_cmode cmode; +}; + +/** + * struct devlink_param - devlink configuration parameter data + * @name: name of the parameter + * @generic: indicates if the parameter is generic or driver specific + * @type: parameter type + * @supported_cmodes: bitmap of supported configuration modes + * @get: get parameter value, used for runtime and permanent + * configuration modes + * @set: set parameter value, used for runtime and permanent + * configuration modes + * @validate: validate input value is applicable (within value range, etc.) + * + * This struct should be used by the driver to fill the data for + * a parameter it registers. + */ +struct devlink_param { + u32 id; + const char *name; + bool generic; + enum devlink_param_type type; + unsigned long supported_cmodes; + int (*get)(struct devlink *devlink, u32 id, + struct devlink_param_gset_ctx *ctx); + int (*set)(struct devlink *devlink, u32 id, + struct devlink_param_gset_ctx *ctx); + int (*validate)(struct devlink *devlink, u32 id, + union devlink_param_value val, + struct netlink_ext_ack *extack); +}; + +struct devlink_param_item { + struct list_head list; + const struct devlink_param *param; + union devlink_param_value driverinit_value; + bool driverinit_value_valid; +}; + +enum devlink_param_generic_id { + DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, + DEVLINK_PARAM_GENERIC_ID_MAX_MACS, + DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, + DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, + + /* add new param generic ids above here*/ + __DEVLINK_PARAM_GENERIC_ID_MAX, + DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, +}; + +#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" +#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL + +#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" +#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 + +#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" +#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL + +#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" +#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL + +#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ +{ \ + .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ + .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ + .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ + .generic = true, \ + .supported_cmodes = _cmodes, \ + .get = _get, \ + .set = _set, \ + .validate = _validate, \ +} + +#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ +{ \ + .id = _id, \ + .name = _name, \ + .type = _type, \ + .supported_cmodes = _cmodes, \ + .get = _get, \ + .set = _set, \ + .validate = _validate, \ +} + +struct devlink_region; + +typedef void devlink_snapshot_data_dest_t(const void *data); + struct devlink_ops { int (*reload)(struct devlink *devlink, struct netlink_ext_ack *extack); int (*port_type_set)(struct devlink_port *devlink_port, @@ -430,6 +542,26 @@ void devlink_resource_occ_get_register(struct devlink *devlink, void *occ_get_priv); void devlink_resource_occ_get_unregister(struct devlink *devlink, u64 resource_id); +int devlink_params_register(struct devlink *devlink, + const struct devlink_param *params, + size_t params_count); +void devlink_params_unregister(struct devlink *devlink, + const struct devlink_param *params, + size_t params_count); +int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, + union devlink_param_value *init_val); +int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, + union devlink_param_value init_val); +void devlink_param_value_changed(struct devlink *devlink, u32 param_id); +struct devlink_region *devlink_region_create(struct devlink *devlink, + const char *region_name, + u32 region_max_snapshots, + u64 region_size); +void devlink_region_destroy(struct devlink_region *region); +u32 devlink_region_shapshot_id_get(struct devlink *devlink); +int devlink_region_snapshot_create(struct devlink_region *region, u64 data_len, + u8 *data, u32 snapshot_id, + devlink_snapshot_data_dest_t *data_destructor); #else @@ -622,6 +754,69 @@ devlink_resource_occ_get_unregister(struct devlink *devlink, { } +static inline int +devlink_params_register(struct devlink *devlink, + const struct devlink_param *params, + size_t params_count) +{ + return 0; +} + +static inline void +devlink_params_unregister(struct devlink *devlink, + const struct devlink_param *params, + size_t params_count) +{ + +} + +static inline int +devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, + union devlink_param_value *init_val) +{ + return -EOPNOTSUPP; +} + +static inline int +devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, + union devlink_param_value init_val) +{ + return -EOPNOTSUPP; +} + +static inline void +devlink_param_value_changed(struct devlink *devlink, u32 param_id) +{ +} + +static inline struct devlink_region * +devlink_region_create(struct devlink *devlink, + const char *region_name, + u32 region_max_snapshots, + u64 region_size) +{ + return NULL; +} + +static inline void +devlink_region_destroy(struct devlink_region *region) +{ +} + +static inline u32 +devlink_region_shapshot_id_get(struct devlink *devlink) +{ + return 0; +} + +static inline int +devlink_region_snapshot_create(struct devlink_region *region, u64 data_len, + u8 *data, u32 snapshot_id, + devlink_snapshot_data_dest_t *data_destructor) +{ + return 0; +} + #endif #endif /* _NET_DEVLINK_H_ */ |