10  * struct devlink_resource - devlink resource
11  * @name: name of the resource
13  * @size: size of the resource
14  * @size_new: updated size of the resource, reload is needed
15  * @size_valid: valid in case the total size of the resource is valid
17  * @parent: parent resource
40 			struct devlink_resource *resource,  in __devlink_resource_find()  argument
45 	if (resource)  in __devlink_resource_find()
46 		resource_list = &resource->resource_list;  in __devlink_resource_find()
50 	list_for_each_entry(resource, resource_list, list) {  in __devlink_resource_find()
53 		if (resource->id == resource_id)  in __devlink_resource_find()
54 			return resource;  in __devlink_resource_find()
57 							 resource,  in __devlink_resource_find()
67 		      struct devlink_resource *resource, u64 resource_id)  in devlink_resource_find()  argument
70 				       resource, resource_id);  in devlink_resource_find()
74 devlink_resource_validate_children(struct devlink_resource *resource)  in devlink_resource_validate_children()  argument
80 	if (list_empty(&resource->resource_list))  in devlink_resource_validate_children()
83 	list_for_each_entry(child_resource, &resource->resource_list, list)  in devlink_resource_validate_children()
86 	if (parts_size > resource->size_new)  in devlink_resource_validate_children()
89 	resource->size_valid = size_valid;  in devlink_resource_validate_children()
93 devlink_resource_validate_size(struct devlink_resource *resource, u64 size,  in devlink_resource_validate_size()  argument
99 	if (size > resource->size_params.size_max) {  in devlink_resource_validate_size()
104 	if (size < resource->size_params.size_min) {  in devlink_resource_validate_size()
109 	div64_u64_rem(size, resource->size_params.size_granularity, &reminder);  in devlink_resource_validate_size()
121 	struct devlink_resource *resource;  in devlink_nl_resource_set_doit()  local
131 	resource = devlink_resource_find(devlink, NULL, resource_id);  in devlink_nl_resource_set_doit()
132 	if (!resource)  in devlink_nl_resource_set_doit()
136 	err = devlink_resource_validate_size(resource, size, info->extack);  in devlink_nl_resource_set_doit()
140 	resource->size_new = size;  in devlink_nl_resource_set_doit()
141 	devlink_resource_validate_children(resource);  in devlink_nl_resource_set_doit()
142 	if (resource->parent)  in devlink_nl_resource_set_doit()
143 		devlink_resource_validate_children(resource->parent);  in devlink_nl_resource_set_doit()
148 devlink_resource_size_params_put(struct devlink_resource *resource,  in devlink_resource_size_params_put()  argument
153 	size_params = &resource->size_params;  in devlink_resource_size_params_put()
165 static int devlink_resource_occ_put(struct devlink_resource *resource,  in devlink_resource_occ_put()  argument
168 	if (!resource->occ_get)  in devlink_resource_occ_put()
171 				  resource->occ_get(resource->occ_get_priv));  in devlink_resource_occ_put()
175 				struct devlink_resource *resource)  in devlink_resource_put()  argument
185 	if (nla_put_string(skb, DEVLINK_ATTR_RESOURCE_NAME, resource->name) ||  in devlink_resource_put()
186 	    devlink_nl_put_u64(skb, DEVLINK_ATTR_RESOURCE_SIZE, resource->size) ||  in devlink_resource_put()
187 	    devlink_nl_put_u64(skb, DEVLINK_ATTR_RESOURCE_ID, resource->id))  in devlink_resource_put()
189 	if (resource->size != resource->size_new &&  in devlink_resource_put()
191 			       resource->size_new))  in devlink_resource_put()
193 	if (devlink_resource_occ_put(resource, skb))  in devlink_resource_put()
195 	if (devlink_resource_size_params_put(resource, skb))  in devlink_resource_put()
197 	if (list_empty(&resource->resource_list))  in devlink_resource_put()
201 		       resource->size_valid))  in devlink_resource_put()
209 	list_for_each_entry(child_resource, &resource->resource_list, list) {  in devlink_resource_put()
231 	struct devlink_resource *resource;  in devlink_resource_list_fill()  local
235 	list_for_each_entry(resource, resource_list_head, list) {  in devlink_resource_list_fill()
240 		err = devlink_resource_put(devlink, skb, resource);  in devlink_resource_list_fill()
257 	struct devlink_resource *resource;  in devlink_resource_fill()  local
270 	resource = list_first_entry(resource_list,  in devlink_resource_fill()
297 	list_for_each_entry_from(resource, resource_list, list) {  in devlink_resource_fill()
298 		err = devlink_resource_put(devlink, skb, resource);  in devlink_resource_fill()
417 					    "empty resource scope selection");  in devlink_nl_resource_dump_one()
461 			       struct devlink_resource *resource,  in devlink_resources_validate()  argument
467 	if (resource)  in devlink_resources_validate()
468 		resource_list = &resource->resource_list;  in devlink_resources_validate()
472 	list_for_each_entry(resource, resource_list, list) {  in devlink_resources_validate()
473 		if (!resource->size_valid)  in devlink_resources_validate()
475 		err = devlink_resources_validate(devlink, resource, info);  in devlink_resources_validate()
489 	struct devlink_resource *resource;  in __devl_resource_register()  local
499 	resource = __devlink_resource_find(resource_list_head, NULL,  in __devl_resource_register()
501 	if (resource)  in __devl_resource_register()
504 	resource = kzalloc_obj(*resource);  in __devl_resource_register()
505 	if (!resource)  in __devl_resource_register()
518 			resource->parent = parent_resource;  in __devl_resource_register()
520 			kfree(resource);  in __devl_resource_register()
525 	resource->name = resource_name;  in __devl_resource_register()
526 	resource->size = resource_size;  in __devl_resource_register()
527 	resource->size_new = resource_size;  in __devl_resource_register()
528 	resource->id = resource_id;  in __devl_resource_register()
529 	resource->size_valid = true;  in __devl_resource_register()
530 	memcpy(&resource->size_params, params, sizeof(resource->size_params));  in __devl_resource_register()
531 	INIT_LIST_HEAD(&resource->resource_list);  in __devl_resource_register()
532 	list_add_tail(&resource->list, resource_list);  in __devl_resource_register()
538  * devl_resource_register - devlink resource register
541  * @resource_name: resource's name
542  * @resource_size: resource's size
543  * @resource_id: resource's id
544  * @parent_resource_id: resource's parent id
549  * Documentation/networking/devlink/devlink-resource.rst
565 static void devlink_resource_unregister(struct devlink_resource *resource)  in devlink_resource_unregister()  argument
569 	list_for_each_entry_safe(child_resource, tmp, &resource->resource_list,  in devlink_resource_unregister()
623  * @resource_id: the requested resource id
630 	struct devlink_resource *resource;  in devl_resource_size_get()  local
634 	resource = devlink_resource_find(devlink, NULL, resource_id);  in devl_resource_size_get()
635 	if (!resource)  in devl_resource_size_get()
637 	*p_resource_size = resource->size_new;  in devl_resource_size_get()
638 	resource->size = resource->size_new;  in devl_resource_size_get()
647  * @resource_id: resource id
656 	struct devlink_resource *resource;  in devl_resource_occ_get_register()  local
660 	resource = devlink_resource_find(devlink, NULL, resource_id);  in devl_resource_occ_get_register()
661 	if (WARN_ON(!resource))  in devl_resource_occ_get_register()
663 	WARN_ON(resource->occ_get);  in devl_resource_occ_get_register()
665 	resource->occ_get = occ_get;  in devl_resource_occ_get_register()
666 	resource->occ_get_priv = occ_get_priv;  in devl_resource_occ_get_register()
674  * @resource_id: resource id
679 	struct devlink_resource *resource;  in devl_resource_occ_get_unregister()  local
683 	resource = devlink_resource_find(devlink, NULL, resource_id);  in devl_resource_occ_get_unregister()
684 	if (WARN_ON(!resource))  in devl_resource_occ_get_unregister()
686 	WARN_ON(!resource->occ_get);  in devl_resource_occ_get_unregister()
688 	resource->occ_get = NULL;  in devl_resource_occ_get_unregister()
689 	resource->occ_get_priv = NULL;  in devl_resource_occ_get_unregister()
694  * devl_port_resource_register - devlink port resource register
697  * @resource_name: resource's name
698  * @resource_size: resource's size
699  * @resource_id: resource's id
700  * @parent_resource_id: resource's parent id
705  * Documentation/networking/devlink/devlink-resource.rst