xref: /openbsd/sys/dev/pci/drm/amd/amdgpu/amdgpu_cs.h (revision f005ef32)
11bb76ff1Sjsg /*
21bb76ff1Sjsg  * Copyright 2022 Advanced Micro Devices, Inc.
31bb76ff1Sjsg  *
41bb76ff1Sjsg  * Permission is hereby granted, free of charge, to any person obtaining a
51bb76ff1Sjsg  * copy of this software and associated documentation files (the "Software"),
61bb76ff1Sjsg  * to deal in the Software without restriction, including without limitation
71bb76ff1Sjsg  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
81bb76ff1Sjsg  * and/or sell copies of the Software, and to permit persons to whom the
91bb76ff1Sjsg  * Software is furnished to do so, subject to the following conditions:
101bb76ff1Sjsg  *
111bb76ff1Sjsg  * The above copyright notice and this permission notice shall be included in
121bb76ff1Sjsg  * all copies or substantial portions of the Software.
131bb76ff1Sjsg  *
141bb76ff1Sjsg  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
151bb76ff1Sjsg  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
161bb76ff1Sjsg  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
171bb76ff1Sjsg  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
181bb76ff1Sjsg  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
191bb76ff1Sjsg  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
201bb76ff1Sjsg  * OTHER DEALINGS IN THE SOFTWARE.
211bb76ff1Sjsg  *
221bb76ff1Sjsg  */
231bb76ff1Sjsg #ifndef __AMDGPU_CS_H__
241bb76ff1Sjsg #define __AMDGPU_CS_H__
251bb76ff1Sjsg 
26*f005ef32Sjsg #include <linux/ww_mutex.h>
27*f005ef32Sjsg #include <drm/drm_exec.h>
28*f005ef32Sjsg 
291bb76ff1Sjsg #include "amdgpu_job.h"
301bb76ff1Sjsg #include "amdgpu_bo_list.h"
311bb76ff1Sjsg #include "amdgpu_ring.h"
321bb76ff1Sjsg 
331bb76ff1Sjsg #define AMDGPU_CS_GANG_SIZE	4
341bb76ff1Sjsg 
351bb76ff1Sjsg struct amdgpu_bo_va_mapping;
361bb76ff1Sjsg 
371bb76ff1Sjsg struct amdgpu_cs_chunk {
381bb76ff1Sjsg 	uint32_t		chunk_id;
391bb76ff1Sjsg 	uint32_t		length_dw;
401bb76ff1Sjsg 	void			*kdata;
411bb76ff1Sjsg };
421bb76ff1Sjsg 
431bb76ff1Sjsg struct amdgpu_cs_post_dep {
441bb76ff1Sjsg 	struct drm_syncobj *syncobj;
451bb76ff1Sjsg 	struct dma_fence_chain *chain;
461bb76ff1Sjsg 	u64 point;
471bb76ff1Sjsg };
481bb76ff1Sjsg 
491bb76ff1Sjsg struct amdgpu_cs_parser {
501bb76ff1Sjsg 	struct amdgpu_device	*adev;
511bb76ff1Sjsg 	struct drm_file		*filp;
521bb76ff1Sjsg 	struct amdgpu_ctx	*ctx;
531bb76ff1Sjsg 
541bb76ff1Sjsg 	/* chunks */
551bb76ff1Sjsg 	unsigned		nchunks;
561bb76ff1Sjsg 	struct amdgpu_cs_chunk	*chunks;
571bb76ff1Sjsg 
581bb76ff1Sjsg 	/* scheduler job objects */
591bb76ff1Sjsg 	unsigned int		gang_size;
601bb76ff1Sjsg 	unsigned int		gang_leader_idx;
611bb76ff1Sjsg 	struct drm_sched_entity	*entities[AMDGPU_CS_GANG_SIZE];
621bb76ff1Sjsg 	struct amdgpu_job	*jobs[AMDGPU_CS_GANG_SIZE];
631bb76ff1Sjsg 	struct amdgpu_job	*gang_leader;
641bb76ff1Sjsg 
651bb76ff1Sjsg 	/* buffer objects */
66*f005ef32Sjsg 	struct drm_exec			exec;
671bb76ff1Sjsg 	struct amdgpu_bo_list		*bo_list;
681bb76ff1Sjsg 	struct amdgpu_mn		*mn;
691bb76ff1Sjsg 	struct dma_fence		*fence;
701bb76ff1Sjsg 	uint64_t			bytes_moved_threshold;
711bb76ff1Sjsg 	uint64_t			bytes_moved_vis_threshold;
721bb76ff1Sjsg 	uint64_t			bytes_moved;
731bb76ff1Sjsg 	uint64_t			bytes_moved_vis;
741bb76ff1Sjsg 
751bb76ff1Sjsg 	/* user fence */
76*f005ef32Sjsg 	struct amdgpu_bo		*uf_bo;
771bb76ff1Sjsg 
781bb76ff1Sjsg 	unsigned			num_post_deps;
791bb76ff1Sjsg 	struct amdgpu_cs_post_dep	*post_deps;
80*f005ef32Sjsg 
81*f005ef32Sjsg 	struct amdgpu_sync		sync;
821bb76ff1Sjsg };
831bb76ff1Sjsg 
841bb76ff1Sjsg int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
851bb76ff1Sjsg 			   uint64_t addr, struct amdgpu_bo **bo,
861bb76ff1Sjsg 			   struct amdgpu_bo_va_mapping **mapping);
871bb76ff1Sjsg 
881bb76ff1Sjsg #endif
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