1 /* 2 * Copyright © 2016 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 * 23 */ 24 25 #include "mock_engine.h" 26 #include "mock_request.h" 27 28 struct drm_i915_gem_request * 29 mock_request(struct intel_engine_cs *engine, 30 struct i915_gem_context *context, 31 unsigned long delay) 32 { 33 struct drm_i915_gem_request *request; 34 struct mock_request *mock; 35 36 /* NB the i915->requests slab cache is enlarged to fit mock_request */ 37 request = i915_gem_request_alloc(engine, context); 38 if (IS_ERR(request)) 39 return NULL; 40 41 mock = container_of(request, typeof(*mock), base); 42 mock->delay = delay; 43 44 return &mock->base; 45 } 46 47 bool mock_cancel_request(struct drm_i915_gem_request *request) 48 { 49 struct mock_request *mock = container_of(request, typeof(*mock), base); 50 struct mock_engine *engine = 51 container_of(request->engine, typeof(*engine), base); 52 bool was_queued; 53 54 spin_lock_irq(&engine->hw_lock); 55 was_queued = !list_empty(&mock->link); 56 list_del_init(&mock->link); 57 spin_unlock_irq(&engine->hw_lock); 58 59 if (was_queued) 60 i915_gem_request_unsubmit(request); 61 62 return was_queued; 63 } 64