27 void intel_context_free(struct intel_context *ce)  in intel_context_free()  argument
29 	kmem_cache_free(global.slab_ce, ce);  in intel_context_free()
36 	struct intel_context *ce;  in intel_context_create()  local
38 	ce = intel_context_alloc();  in intel_context_create()
39 	if (!ce)  in intel_context_create()
42 	intel_context_init(ce, ctx, engine);  in intel_context_create()
43 	return ce;  in intel_context_create()
46 int __intel_context_do_pin(struct intel_context *ce)  in __intel_context_do_pin()  argument
50 	if (mutex_lock_interruptible(&ce->pin_mutex))  in __intel_context_do_pin()
53 	if (likely(!atomic_read(&ce->pin_count))) {  in __intel_context_do_pin()
56 		if (unlikely(!test_bit(CONTEXT_ALLOC_BIT, &ce->flags))) {  in __intel_context_do_pin()
57 			err = ce->ops->alloc(ce);  in __intel_context_do_pin()
61 			__set_bit(CONTEXT_ALLOC_BIT, &ce->flags);  in __intel_context_do_pin()
65 		with_intel_runtime_pm(&ce->engine->i915->runtime_pm, wakeref)  in __intel_context_do_pin()
66 			err = ce->ops->pin(ce);  in __intel_context_do_pin()
71 			  ce->engine->name, ce->timeline->fence_context,  in __intel_context_do_pin()
72 			  ce->ring->head, ce->ring->tail);  in __intel_context_do_pin()
74 		i915_gem_context_get(ce->gem_context); /* for ctx->ppgtt */  in __intel_context_do_pin()
79 	atomic_inc(&ce->pin_count);  in __intel_context_do_pin()
80 	GEM_BUG_ON(!intel_context_is_pinned(ce)); /* no overflow! */  in __intel_context_do_pin()
82 	mutex_unlock(&ce->pin_mutex);  in __intel_context_do_pin()
86 	mutex_unlock(&ce->pin_mutex);  in __intel_context_do_pin()
90 void intel_context_unpin(struct intel_context *ce)  in intel_context_unpin()  argument
92 	if (likely(atomic_add_unless(&ce->pin_count, -1, 1)))  in intel_context_unpin()
96 	intel_context_get(ce);  in intel_context_unpin()
97 	mutex_lock_nested(&ce->pin_mutex, SINGLE_DEPTH_NESTING);  in intel_context_unpin()
99 	if (likely(atomic_dec_and_test(&ce->pin_count))) {  in intel_context_unpin()
101 			  ce->engine->name, ce->timeline->fence_context);  in intel_context_unpin()
103 		ce->ops->unpin(ce);  in intel_context_unpin()
105 		i915_gem_context_put(ce->gem_context);  in intel_context_unpin()
106 		intel_context_active_release(ce);  in intel_context_unpin()
109 	mutex_unlock(&ce->pin_mutex);  in intel_context_unpin()
110 	intel_context_put(ce);  in intel_context_unpin()
143 	struct intel_context *ce = container_of(active, typeof(*ce), active);  in __intel_context_retire()  local
146 		  ce->engine->name, ce->timeline->fence_context);  in __intel_context_retire()
148 	if (ce->state)  in __intel_context_retire()
149 		__context_unpin_state(ce->state);  in __intel_context_retire()
151 	intel_timeline_unpin(ce->timeline);  in __intel_context_retire()
152 	intel_ring_unpin(ce->ring);  in __intel_context_retire()
153 	intel_context_put(ce);  in __intel_context_retire()
158 	struct intel_context *ce = container_of(active, typeof(*ce), active);  in __intel_context_active()  local
161 	intel_context_get(ce);  in __intel_context_active()
163 	err = intel_ring_pin(ce->ring);  in __intel_context_active()
167 	err = intel_timeline_pin(ce->timeline);  in __intel_context_active()
171 	if (!ce->state)  in __intel_context_active()
174 	err = __context_pin_state(ce->state);  in __intel_context_active()
181 	intel_timeline_unpin(ce->timeline);  in __intel_context_active()
183 	intel_ring_unpin(ce->ring);  in __intel_context_active()
185 	intel_context_put(ce);  in __intel_context_active()
189 int intel_context_active_acquire(struct intel_context *ce)  in intel_context_active_acquire()  argument
193 	err = i915_active_acquire(&ce->active);  in intel_context_active_acquire()
198 	if (!i915_gem_context_is_kernel(ce->gem_context)) {  in intel_context_active_acquire()
199 		err = i915_active_acquire_preallocate_barrier(&ce->active,  in intel_context_active_acquire()
200 							      ce->engine);  in intel_context_active_acquire()
202 			i915_active_release(&ce->active);  in intel_context_active_acquire()
210 void intel_context_active_release(struct intel_context *ce)  in intel_context_active_release()  argument
213 	i915_active_acquire_barrier(&ce->active);  in intel_context_active_release()
214 	i915_active_release(&ce->active);  in intel_context_active_release()
218 intel_context_init(struct intel_context *ce,  in intel_context_init()  argument
224 	kref_init(&ce->ref);  in intel_context_init()
226 	ce->gem_context = ctx;  in intel_context_init()
227 	ce->vm = i915_vm_get(ctx->vm ?: &engine->gt->ggtt->vm);  in intel_context_init()
229 		ce->timeline = intel_timeline_get(ctx->timeline);  in intel_context_init()
231 	ce->engine = engine;  in intel_context_init()
232 	ce->ops = engine->cops;  in intel_context_init()
233 	ce->sseu = engine->sseu;  in intel_context_init()
234 	ce->ring = __intel_context_ring_size(SZ_16K);  in intel_context_init()
236 	INIT_LIST_HEAD(&ce->signal_link);  in intel_context_init()
237 	INIT_LIST_HEAD(&ce->signals);  in intel_context_init()
239 	mutex_init(&ce->pin_mutex);  in intel_context_init()
241 	i915_active_init(ctx->i915, &ce->active,  in intel_context_init()
245 void intel_context_fini(struct intel_context *ce)  in intel_context_fini()  argument
247 	if (ce->timeline)  in intel_context_fini()
248 		intel_timeline_put(ce->timeline);  in intel_context_fini()
249 	i915_vm_put(ce->vm);  in intel_context_fini()
251 	mutex_destroy(&ce->pin_mutex);  in intel_context_fini()
252 	i915_active_fini(&ce->active);  in intel_context_fini()
280 void intel_context_enter_engine(struct intel_context *ce)  in intel_context_enter_engine()  argument
282 	intel_engine_pm_get(ce->engine);  in intel_context_enter_engine()
283 	intel_timeline_enter(ce->timeline);  in intel_context_enter_engine()
286 void intel_context_exit_engine(struct intel_context *ce)  in intel_context_exit_engine()  argument
288 	intel_timeline_exit(ce->timeline);  in intel_context_exit_engine()
289 	intel_engine_pm_put(ce->engine);  in intel_context_exit_engine()
292 int intel_context_prepare_remote_request(struct intel_context *ce,  in intel_context_prepare_remote_request()  argument
295 	struct intel_timeline *tl = ce->timeline;  in intel_context_prepare_remote_request()
299 	GEM_BUG_ON(rq->hw_context == ce);  in intel_context_prepare_remote_request()
321 	GEM_BUG_ON(i915_active_is_idle(&ce->active));  in intel_context_prepare_remote_request()
322 	return i915_active_ref(&ce->active, rq->timeline, rq);  in intel_context_prepare_remote_request()
325 struct i915_request *intel_context_create_request(struct intel_context *ce)  in intel_context_create_request()  argument
330 	err = intel_context_pin(ce);  in intel_context_create_request()
334 	rq = i915_request_create(ce);  in intel_context_create_request()
335 	intel_context_unpin(ce);  in intel_context_create_request()