add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/drivers/infiniband/core/rdma_core.h
..
..
@@ -48,30 +48,7 @@
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 void uverbs_destroy_ufile_hw(struct ib_uverbs_file *ufile,
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 			     enum rdma_remove_reason reason);
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50
 
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-int uobj_destroy(struct ib_uobject *uobj);
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-
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-/*
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- * uverbs_uobject_get is called in order to increase the reference count on
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- * an uobject. This is useful when a handler wants to keep the uobject's memory
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- * alive, regardless if this uobject is still alive in the context's objects
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- * repository. Objects are put via uverbs_uobject_put.
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- */
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-void uverbs_uobject_get(struct ib_uobject *uobject);
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-
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-/*
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- * In order to indicate we no longer needs this uobject, uverbs_uobject_put
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- * is called. When the reference count is decreased, the uobject is freed.
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- * For example, this is used when attaching a completion channel to a CQ.
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- */
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-void uverbs_uobject_put(struct ib_uobject *uobject);
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-
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-/* Indicate this fd is no longer used by this consumer, but its memory isn't
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- * necessarily released yet. When the last reference is put, we release the
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- * memory. After this call is executed, calling uverbs_uobject_get isn't
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- * allowed.
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- * This must be called from the release file_operations of the file!
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- */
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-void uverbs_close_fd(struct file *f);
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+int uobj_destroy(struct ib_uobject *uobj, struct uverbs_attr_bundle *attrs);
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52
 
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 /*
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  * Get an ib_uobject that corresponds to the given id from ufile, assuming
..
..
@@ -83,31 +60,19 @@
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  * uverbs_finalize_objects are called.
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  */
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 struct ib_uobject *
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-uverbs_get_uobject_from_file(u16 object_id,
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-			     struct ib_uverbs_file *ufile,
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-			     enum uverbs_obj_access access, s64 id);
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+uverbs_get_uobject_from_file(u16 object_id, enum uverbs_obj_access access,
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+			     s64 id, struct uverbs_attr_bundle *attrs);
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65
 
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-/*
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- * Note that certain finalize stages could return a status:
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- *   (a) alloc_commit could return a failure if the object is committed at the
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- *       same time when the context is destroyed.
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- *   (b) remove_commit could fail if the object wasn't destroyed successfully.
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- * Since multiple objects could be finalized in one transaction, it is very NOT
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- * recommended to have several finalize actions which have side effects.
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- * For example, it's NOT recommended to have a certain action which has both
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- * a commit action and a destroy action or two destroy objects in the same
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- * action. The rule of thumb is to have one destroy or commit action with
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- * multiple lookups.
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- * The first non zero return value of finalize_object is returned from this
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- * function. For example, this could happen when we couldn't destroy an
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- * object.
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- */
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-int uverbs_finalize_object(struct ib_uobject *uobj,
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-			   enum uverbs_obj_access access,
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-			   bool commit);
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+void uverbs_finalize_object(struct ib_uobject *uobj,
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+			    enum uverbs_obj_access access, bool hw_obj_valid,
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+			    bool commit, struct uverbs_attr_bundle *attrs);
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+
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+int uverbs_output_written(const struct uverbs_attr_bundle *bundle, size_t idx);
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71
 
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 void setup_ufile_idr_uobject(struct ib_uverbs_file *ufile);
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 void release_ufile_idr_uobject(struct ib_uverbs_file *ufile);
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+
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+struct ib_udata *uverbs_get_cleared_udata(struct uverbs_attr_bundle *attrs);
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 /*
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  * This is the runtime description of the uverbs API, used by the syscall
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..
@@ -118,47 +83,109 @@
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  * Depending on ID the slot pointer in the radix tree points at one of these
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  * structs.
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  */
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-struct uverbs_api_object {
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-	const struct uverbs_obj_type *type_attrs;
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-	const struct uverbs_obj_type_class *type_class;
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-};
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 struct uverbs_api_ioctl_method {
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-	int (__rcu *handler)(struct ib_uverbs_file *ufile,
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-			     struct uverbs_attr_bundle *ctx);
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+	int(__rcu *handler)(struct uverbs_attr_bundle *attrs);
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 	DECLARE_BITMAP(attr_mandatory, UVERBS_API_ATTR_BKEY_LEN);
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 	u16 bundle_size;
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 	u8 use_stack:1;
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 	u8 driver_method:1;
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+	u8 disabled:1;
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+	u8 has_udata:1;
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 	u8 key_bitmap_len;
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 	u8 destroy_bkey;
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+};
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+
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+struct uverbs_api_write_method {
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+	int (*handler)(struct uverbs_attr_bundle *attrs);
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+	u8 disabled:1;
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+	u8 is_ex:1;
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+	u8 has_udata:1;
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+	u8 has_resp:1;
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+	u8 req_size;
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+	u8 resp_size;
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 };
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 struct uverbs_api_attr {
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 	struct uverbs_attr_spec spec;
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 };
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112
 
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-struct uverbs_api_object;
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 struct uverbs_api {
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 	/* radix tree contains struct uverbs_api_* pointers */
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 	struct radix_tree_root radix;
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 	enum rdma_driver_id driver_id;
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+
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+	unsigned int num_write;
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+	unsigned int num_write_ex;
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+	struct uverbs_api_write_method notsupp_method;
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+	const struct uverbs_api_write_method **write_methods;
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+	const struct uverbs_api_write_method **write_ex_methods;
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 };
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124
 
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+/*
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+ * Get an uverbs_api_object that corresponds to the given object_id.
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+ * Note:
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+ * -ENOMSG means that any object is allowed to match during lookup.
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+ */
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 static inline const struct uverbs_api_object *
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 uapi_get_object(struct uverbs_api *uapi, u16 object_id)
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 {
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-	return radix_tree_lookup(&uapi->radix, uapi_key_obj(object_id));
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+	const struct uverbs_api_object *res;
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+
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+	if (object_id == UVERBS_IDR_ANY_OBJECT)
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+		return ERR_PTR(-ENOMSG);
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+
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+	res = radix_tree_lookup(&uapi->radix, uapi_key_obj(object_id));
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+	if (!res)
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+		return ERR_PTR(-ENOENT);
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+
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+	return res;
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 }
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 char *uapi_key_format(char *S, unsigned int key);
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-struct uverbs_api *uverbs_alloc_api(
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-	const struct uverbs_object_tree_def *const *driver_specs,
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-	enum rdma_driver_id driver_id);
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+struct uverbs_api *uverbs_alloc_api(struct ib_device *ibdev);
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 void uverbs_disassociate_api_pre(struct ib_uverbs_device *uverbs_dev);
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 void uverbs_disassociate_api(struct uverbs_api *uapi);
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 void uverbs_destroy_api(struct uverbs_api *uapi);
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 void uapi_compute_bundle_size(struct uverbs_api_ioctl_method *method_elm,
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 			      unsigned int num_attrs);
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+void uverbs_user_mmap_disassociate(struct ib_uverbs_file *ufile);
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+
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+extern const struct uapi_definition uverbs_def_obj_async_fd[];
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+extern const struct uapi_definition uverbs_def_obj_counters[];
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+extern const struct uapi_definition uverbs_def_obj_cq[];
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+extern const struct uapi_definition uverbs_def_obj_device[];
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+extern const struct uapi_definition uverbs_def_obj_dm[];
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+extern const struct uapi_definition uverbs_def_obj_flow_action[];
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+extern const struct uapi_definition uverbs_def_obj_intf[];
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+extern const struct uapi_definition uverbs_def_obj_mr[];
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+extern const struct uapi_definition uverbs_def_obj_qp[];
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+extern const struct uapi_definition uverbs_def_obj_srq[];
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+extern const struct uapi_definition uverbs_def_obj_wq[];
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+extern const struct uapi_definition uverbs_def_write_intf[];
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+
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+static inline const struct uverbs_api_write_method *
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+uapi_get_method(const struct uverbs_api *uapi, u32 command)
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+{
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+	u32 cmd_idx = command & IB_USER_VERBS_CMD_COMMAND_MASK;
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+
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+	if (command & ~(u32)(IB_USER_VERBS_CMD_FLAG_EXTENDED |
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+			     IB_USER_VERBS_CMD_COMMAND_MASK))
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+		return ERR_PTR(-EINVAL);
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+
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+	if (command & IB_USER_VERBS_CMD_FLAG_EXTENDED) {
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+		if (cmd_idx >= uapi->num_write_ex)
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+			return ERR_PTR(-EOPNOTSUPP);
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+		return uapi->write_ex_methods[cmd_idx];
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+	}
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+
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+	if (cmd_idx >= uapi->num_write)
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+		return ERR_PTR(-EOPNOTSUPP);
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+	return uapi->write_methods[cmd_idx];
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+}
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+
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+void uverbs_fill_udata(struct uverbs_attr_bundle *bundle,
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+		       struct ib_udata *udata, unsigned int attr_in,
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+		       unsigned int attr_out);
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 #endif /* RDMA_CORE_H */