/* * Copyright © 2016 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. * */ #ifndef __MOCK_ENGINE_H__ #define __MOCK_ENGINE_H__ #include <linux/list.h> #include <linux/spinlock.h> #include <linux/timer.h> #include "../intel_ringbuffer.h" struct mock_engine { struct intel_engine_cs base; spinlock_t hw_lock; struct list_head hw_queue; struct timer_list hw_delay; }; struct intel_engine_cs *mock_engine(struct drm_i915_private *i915, const char *name, int id); void mock_engine_flush(struct intel_engine_cs *engine); void mock_engine_reset(struct intel_engine_cs *engine); void mock_engine_free(struct intel_engine_cs *engine); static inline void mock_seqno_advance(struct intel_engine_cs *engine, u32 seqno) { intel_write_status_page(engine, I915_GEM_HWS_INDEX, seqno); intel_engine_wakeup(engine); } #endif /* !__MOCK_ENGINE_H__ */