1 // SPDX-License-Identifier: MIT
22 	struct i915_drm_client *client;  in i915_drm_client_alloc()  local
24 	client = kzalloc(sizeof(*client), GFP_KERNEL);  in i915_drm_client_alloc()
25 	if (!client)  in i915_drm_client_alloc()
28 	kref_init(&client->kref);  in i915_drm_client_alloc()
29 	spin_lock_init(&client->ctx_lock);  in i915_drm_client_alloc()
30 	INIT_LIST_HEAD(&client->ctx_list);  in i915_drm_client_alloc()
32 	spin_lock_init(&client->objects_lock);  in i915_drm_client_alloc()
33 	INIT_LIST_HEAD(&client->objects_list);  in i915_drm_client_alloc()
36 	return client;  in i915_drm_client_alloc()
41 	struct i915_drm_client *client =  in __i915_drm_client_free()  local
42 		container_of(kref, typeof(*client), kref);  in __i915_drm_client_free()
44 	kfree(client);  in __i915_drm_client_free()
52 	const enum intel_region_id id = obj->mm.region ?  in obj_meminfo()
53 					obj->mm.region->id : INTEL_REGION_SMEM;  in obj_meminfo()
54 	const u64 sz = obj->base.size;  in obj_meminfo()
56 	if (drm_gem_object_is_shared_for_memory_stats(&obj->base))  in obj_meminfo()
57 		stats[id].shared += sz;  in obj_meminfo()
59 		stats[id].private += sz;  in obj_meminfo()
62 		stats[id].resident += sz;  in obj_meminfo()
64 		if (!dma_resv_test_signaled(obj->base.resv,  in obj_meminfo()
66 			stats[id].active += sz;  in obj_meminfo()
68 			 obj->mm.madv == I915_MADV_DONTNEED)  in obj_meminfo()
69 			stats[id].purgeable += sz;  in obj_meminfo()
76 	struct drm_i915_file_private *fpriv = file->driver_priv;  in show_meminfo()
77 	struct i915_drm_client *client = fpriv->client;  in show_meminfo()  local
78 	struct drm_i915_private *i915 = fpriv->i915;  in show_meminfo()
82 	unsigned int id;  in show_meminfo()  local
85 	spin_lock(&file->table_lock);  in show_meminfo()
86 	idr_for_each_entry(&file->object_idr, obj, id)  in show_meminfo()
88 	spin_unlock(&file->table_lock);  in show_meminfo()
92 	list_for_each_rcu(pos, &client->objects_list) {  in show_meminfo()
102 	for_each_memory_region(mr, i915, id)  in show_meminfo()
104 				       &stats[id],  in show_meminfo()
108 				       mr->uabi_name);  in show_meminfo()
115 	[I915_ENGINE_CLASS_VIDEO_ENHANCE] = "video-enhance",
125 	for_each_gem_engine(ce, rcu_dereference(ctx->engines), it) {  in busy_add()
126 		if (ce->engine->uabi_class != class)  in busy_add()
138 		  struct i915_drm_client *client,  in show_client_class()  argument
141 	const unsigned int capacity = i915->engine_uabi_class_count[class];  in show_client_class()
142 	u64 total = atomic64_read(&client->past_runtime[class]);  in show_client_class()
146 	list_for_each_entry_rcu(ctx, &client->ctx_list, client_link)  in show_client_class()
151 		drm_printf(p, "drm-engine-%s:\t%llu ns\n",  in show_client_class()
155 		drm_printf(p, "drm-engine-capacity-%s:\t%u\n",  in show_client_class()
162 	struct drm_i915_file_private *file_priv = file->driver_priv;  in i915_drm_client_fdinfo()
163 	struct drm_i915_private *i915 = file_priv->i915;  in i915_drm_client_fdinfo()
168 	 * For text output format description please see drm-usage-stats.rst!  in i915_drm_client_fdinfo()
178 		show_client_class(p, i915, file_priv->client, i);  in i915_drm_client_fdinfo()
181 void i915_drm_client_add_object(struct i915_drm_client *client,  in i915_drm_client_add_object()  argument
186 	GEM_WARN_ON(obj->client);  in i915_drm_client_add_object()
187 	GEM_WARN_ON(!list_empty(&obj->client_link));  in i915_drm_client_add_object()
189 	spin_lock_irqsave(&client->objects_lock, flags);  in i915_drm_client_add_object()
190 	obj->client = i915_drm_client_get(client);  in i915_drm_client_add_object()
191 	list_add_tail_rcu(&obj->client_link, &client->objects_list);  in i915_drm_client_add_object()
192 	spin_unlock_irqrestore(&client->objects_lock, flags);  in i915_drm_client_add_object()
197 	struct i915_drm_client *client = fetch_and_zero(&obj->client);  in i915_drm_client_remove_object()  local
200 	/* Object may not be associated with a client. */  in i915_drm_client_remove_object()
201 	if (!client)  in i915_drm_client_remove_object()
204 	spin_lock_irqsave(&client->objects_lock, flags);  in i915_drm_client_remove_object()
205 	list_del_rcu(&obj->client_link);  in i915_drm_client_remove_object()
206 	spin_unlock_irqrestore(&client->objects_lock, flags);  in i915_drm_client_remove_object()
208 	i915_drm_client_put(client);  in i915_drm_client_remove_object()
211 void i915_drm_client_add_context_objects(struct i915_drm_client *client,  in i915_drm_client_add_context_objects()  argument
214 	if (ce->state)  in i915_drm_client_add_context_objects()
215 		i915_drm_client_add_object(client, ce->state->obj);  in i915_drm_client_add_context_objects()
217 	if (ce->ring != ce->engine->legacy.ring && ce->ring->vma)  in i915_drm_client_add_context_objects()
218 		i915_drm_client_add_object(client, ce->ring->vma->obj);  in i915_drm_client_add_context_objects()