[deliverable/linux.git] / drivers / gpu / drm / i915 / intel_lrc.h

/*
 * Copyright © 2014 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 _INTEL_LRC_H_
#define _INTEL_LRC_H_

/* Logical Rings */
void intel_logical_ring_stop(struct intel_engine_cs *ring);
void intel_logical_ring_cleanup(struct intel_engine_cs *ring);
int intel_logical_rings_init(struct drm_device *dev);

int logical_ring_flush_all_caches(struct intel_ringbuffer *ringbuf);
void intel_logical_ring_advance_and_submit(struct intel_ringbuffer *ringbuf);
static inline void intel_logical_ring_advance(struct intel_ringbuffer *ringbuf)
{
	ringbuf->tail &= ringbuf->size - 1;
}
static inline void intel_logical_ring_emit(struct intel_ringbuffer *ringbuf,
					   u32 data)
{
	iowrite32(data, ringbuf->virtual_start + ringbuf->tail);
	ringbuf->tail += 4;
}
int intel_logical_ring_begin(struct intel_ringbuffer *ringbuf, int num_dwords);

/* Logical Ring Contexts */
void intel_lr_context_free(struct intel_context *ctx);
int intel_lr_context_deferred_create(struct intel_context *ctx,
				     struct intel_engine_cs *ring);

/* Execlists */
int intel_sanitize_enable_execlists(struct drm_device *dev, int enable_execlists);
int intel_execlists_submission(struct drm_device *dev, struct drm_file *file,
			       struct intel_engine_cs *ring,
			       struct intel_context *ctx,
			       struct drm_i915_gem_execbuffer2 *args,
			       struct list_head *vmas,
			       struct drm_i915_gem_object *batch_obj,
			       u64 exec_start, u32 flags);
u32 intel_execlists_ctx_id(struct drm_i915_gem_object *ctx_obj);

struct intel_ctx_submit_request {
	struct intel_context *ctx;
	struct intel_engine_cs *ring;
	u32 tail;

	struct list_head execlist_link;
};

#endif /* _INTEL_LRC_H_ */
Commit	Line	Data
b20385f1 OM	1	/*
	2	* Copyright © 2014 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
	21	* DEALINGS IN THE SOFTWARE.
	22	*/
	23
	24	#ifndef _INTEL_LRC_H_
	25	#define _INTEL_LRC_H_
	26
454afebd OM	27	/* Logical Rings */
	28	void intel_logical_ring_stop(struct intel_engine_cs *ring);
	29	void intel_logical_ring_cleanup(struct intel_engine_cs *ring);
	30	int intel_logical_rings_init(struct drm_device *dev);
	31
48e29f55	32	int logical_ring_flush_all_caches(struct intel_ringbuffer *ringbuf);
82e104cc OM	33	void intel_logical_ring_advance_and_submit(struct intel_ringbuffer *ringbuf);
	34	static inline void intel_logical_ring_advance(struct intel_ringbuffer *ringbuf)
	35	{
	36	ringbuf->tail &= ringbuf->size - 1;
	37	}
	38	static inline void intel_logical_ring_emit(struct intel_ringbuffer *ringbuf,
	39	u32 data)
	40	{
	41	iowrite32(data, ringbuf->virtual_start + ringbuf->tail);
	42	ringbuf->tail += 4;
	43	}
	44	int intel_logical_ring_begin(struct intel_ringbuffer *ringbuf, int num_dwords);
	45
ede7d42b OM	46	/* Logical Ring Contexts */
	47	void intel_lr_context_free(struct intel_context *ctx);
	48	int intel_lr_context_deferred_create(struct intel_context *ctx,
	49	struct intel_engine_cs *ring);
	50
127f1003 OM	51	/* Execlists */
127f1003 OM	52	int intel_sanitize_enable_execlists(struct drm_device *dev, int enable_execlists);
454afebd OM	53	int intel_execlists_submission(struct drm_device dev, struct drm_file file,
	54	struct intel_engine_cs *ring,
	55	struct intel_context *ctx,
	56	struct drm_i915_gem_execbuffer2 *args,
	57	struct list_head *vmas,
	58	struct drm_i915_gem_object *batch_obj,
	59	u64 exec_start, u32 flags);
84b790f8	60	u32 intel_execlists_ctx_id(struct drm_i915_gem_object *ctx_obj);
127f1003	61
acdd884a MT	62	struct intel_ctx_submit_request {
	63	struct intel_context *ctx;
	64	struct intel_engine_cs *ring;
	65	u32 tail;
	66
	67	struct list_head execlist_link;
	68	};
	69
b20385f1	70	#endif /* _INTEL_LRC_H_ */