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Create a fake engine that runs requests using a timer to simulate hw. v2: Prevent leaks of ctx->name along error paths Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170213171558.20942-8-chris@chris-wilson.co.uk
55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/*
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* Copyright © 2016 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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*/
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#ifndef __MOCK_ENGINE_H__
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#define __MOCK_ENGINE_H__
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#include <linux/list.h>
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#include <linux/spinlock.h>
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#include <linux/timer.h>
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#include "../intel_ringbuffer.h"
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struct mock_engine {
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struct intel_engine_cs base;
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spinlock_t hw_lock;
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struct list_head hw_queue;
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struct timer_list hw_delay;
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};
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struct intel_engine_cs *mock_engine(struct drm_i915_private *i915,
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const char *name);
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void mock_engine_flush(struct intel_engine_cs *engine);
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void mock_engine_reset(struct intel_engine_cs *engine);
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void mock_engine_free(struct intel_engine_cs *engine);
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static inline void mock_seqno_advance(struct intel_engine_cs *engine, u32 seqno)
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{
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intel_write_status_page(engine, I915_GEM_HWS_INDEX, seqno);
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intel_engine_wakeup(engine);
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}
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#endif /* !__MOCK_ENGINE_H__ */
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