ubuntu-linux-kernel/drivers/gpu/drm/i915/selftests/mock_engine.h

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2024-04-01 15:06:58 +00:00
/*
* 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__ */