drm/xe/xe_drm_client.c

19  * xe_drm_client_alloc() - Allocate drm client
22  * Allocate drm client struct to track client memory against
23  * same till client life. Call this API whenever new client
26  * Return: pointer to client struct or NULL if can't allocate
30 	struct xe_drm_client *client;
32 	client = kzalloc(sizeof(*client), GFP_KERNEL);
33 	if (!client)
36 	kref_init(&client->kref);
39 	spin_lock_init(&client->bos_lock);
40 	INIT_LIST_HEAD(&client->bos_list);
42 	return client;
46  * __xe_drm_client_free() - Free client struct
49  * This frees client struct. Call this API when xe device is closed
50  * by drm client.
56 	struct xe_drm_client *client =
57 		container_of(kref, typeof(*client), kref);
59 	kfree(client);
64  * xe_drm_client_add_bo() - Add BO for tracking client mem usage
65  * @client: The drm client ptr
68  * Add all BO created by individual drm client by calling this function.
69  * This helps in tracking client memory usage.
73 void xe_drm_client_add_bo(struct xe_drm_client *client,
76 	XE_WARN_ON(bo->client);
79 	spin_lock(&client->bos_lock);
80 	bo->client = xe_drm_client_get(client);
81 	list_add_tail(&bo->client_link, &client->bos_list);
82 	spin_unlock(&client->bos_lock);
86  * xe_drm_client_remove_bo() - Remove BO for tracking client mem usage
89  * Remove all BO removed by individual drm client by calling this function.
90  * This helps in tracking client memory usage.
96 	struct xe_drm_client *client = bo->client;
98 	spin_lock(&client->bos_lock);
100 	spin_unlock(&client->bos_lock);
102 	xe_drm_client_put(client);
138 	struct xe_drm_client *client;
144 	client = xef->client;
156 	spin_lock(&client->bos_lock);
157 	list_for_each_entry(bo, &client->bos_list, client_link) {
163 	spin_unlock(&client->bos_lock);