diff options
Diffstat (limited to 'include/net/devlink.h')
| -rw-r--r-- | include/net/devlink.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/include/net/devlink.h b/include/net/devlink.h index 4d2c6fc94837..ceb1895d119b 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -26,6 +26,7 @@ struct devlink { struct list_head port_list; struct list_head sb_list; struct list_head dpipe_table_list; + struct list_head resource_list; struct devlink_dpipe_headers *dpipe_headers; const struct devlink_ops *ops; struct device *dev; @@ -224,6 +225,61 @@ struct devlink_dpipe_headers { unsigned int headers_count; }; +/** + * struct devlink_resource_ops - resource ops + * @occ_get: get the occupied size + * @size_validate: validate the size of the resource before update, reload + * is needed for changes to take place + */ +struct devlink_resource_ops { + u64 (*occ_get)(struct devlink *devlink); + int (*size_validate)(struct devlink *devlink, u64 size, + struct netlink_ext_ack *extack); +}; + +/** + * struct devlink_resource_size_params - resource's size parameters + * @size_min: minimum size which can be set + * @size_max: maximum size which can be set + * @size_granularity: size granularity + * @size_unit: resource's basic unit + */ +struct devlink_resource_size_params { + u64 size_min; + u64 size_max; + u64 size_granularity; + enum devlink_resource_unit unit; +}; + +/** + * struct devlink_resource - devlink resource + * @name: name of the resource + * @id: id, per devlink instance + * @size: size of the resource + * @size_new: updated size of the resource, reload is needed + * @size_valid: valid in case the total size of the resource is valid + * including its children + * @parent: parent resource + * @size_params: size parameters + * @list: parent list + * @resource_list: list of child resources + * @resource_ops: resource ops + */ +struct devlink_resource { + const char *name; + u64 id; + u64 size; + u64 size_new; + bool size_valid; + struct devlink_resource *parent; + struct devlink_resource_size_params *size_params; + struct list_head list; + struct list_head resource_list; + const struct devlink_resource_ops *resource_ops; +}; + +#define DEVLINK_RESOURCE_ID_PARENT_TOP 0 + struct devlink_ops { int (*port_type_set)(struct devlink_port *devlink_port, enum devlink_port_type port_type); @@ -333,6 +389,20 @@ extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; +int devlink_resource_register(struct devlink *devlink, + const char *resource_name, + bool top_hierarchy, + u64 resource_size, + u64 resource_id, + u64 parent_resource_id, + struct devlink_resource_size_params *size_params, + const struct devlink_resource_ops *resource_ops); +void devlink_resources_unregister(struct devlink *devlink, + struct devlink_resource *resource); +int devlink_resource_size_get(struct devlink *devlink, + u64 resource_id, + u64 *p_resource_size); + #else static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, @@ -469,6 +539,32 @@ devlink_dpipe_match_put(struct sk_buff *skb, return 0; } +static inline int +devlink_resource_register(struct devlink *devlink, + const char *resource_name, + bool top_hierarchy, + u64 resource_size, + u64 resource_id, + u64 parent_resource_id, + struct devlink_resource_size_params *size_params, + const struct devlink_resource_ops *resource_ops) +{ + return 0; +} + +static inline void +devlink_resources_unregister(struct devlink *devlink, + struct devlink_resource *resource) +{ +} + +static inline int +devlink_resource_size_get(struct devlink *devlink, u64 resource_id, + u64 *p_resource_size) +{ + return -EOPNOTSUPP; +} + #endif #endif /* _NET_DEVLINK_H_ */ |