1/*
 2 * Copyright 2014 Advanced Micro Devices, Inc.
 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 shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#ifndef __AMDGPU_GDS_H__
25#define __AMDGPU_GDS_H__
26
 
 
 
 
 
 
 
27struct amdgpu_ring;
28struct amdgpu_bo;
29
 
 
 
 
 
 
30struct amdgpu_gds {
31	uint32_t gds_size;
32	uint32_t gws_size;
33	uint32_t oa_size;
34	uint32_t gds_compute_max_wave_id;
 
 
 
 
 
 
 
35};
36
37struct amdgpu_gds_reg_offset {
38	uint32_t	mem_base;
39	uint32_t	mem_size;
40	uint32_t	gws;
41	uint32_t	oa;
42};
43
44#endif /* __AMDGPU_GDS_H__ */

 1/*
 2 * Copyright 2014 Advanced Micro Devices, Inc.
 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 shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#ifndef __AMDGPU_GDS_H__
25#define __AMDGPU_GDS_H__
26
27/* Because TTM request that alloacted buffer should be PAGE_SIZE aligned,
28 * we should report GDS/GWS/OA size as PAGE_SIZE aligned
29 * */
30#define AMDGPU_GDS_SHIFT	2
31#define AMDGPU_GWS_SHIFT	PAGE_SHIFT
32#define AMDGPU_OA_SHIFT		PAGE_SHIFT
33
34struct amdgpu_ring;
35struct amdgpu_bo;
36
37struct amdgpu_gds_asic_info {
38	uint32_t	total_size;
39	uint32_t	gfx_partition_size;
40	uint32_t	cs_partition_size;
41};
42
43struct amdgpu_gds {
44	struct amdgpu_gds_asic_info	mem;
45	struct amdgpu_gds_asic_info	gws;
46	struct amdgpu_gds_asic_info	oa;
47	/* At present, GDS, GWS and OA resources for gfx (graphics)
48	 * is always pre-allocated and available for graphics operation.
49	 * Such resource is shared between all gfx clients.
50	 * TODO: move this operation to user space
51	 * */
52	struct amdgpu_bo*		gds_gfx_bo;
53	struct amdgpu_bo*		gws_gfx_bo;
54	struct amdgpu_bo*		oa_gfx_bo;
55};
56
57struct amdgpu_gds_reg_offset {
58	uint32_t	mem_base;
59	uint32_t	mem_size;
60	uint32_t	gws;
61	uint32_t	oa;
62};
63
64#endif /* __AMDGPU_GDS_H__ */