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
34#define AMDGPU_PL_GDS		TTM_PL_PRIV0
35#define AMDGPU_PL_GWS		TTM_PL_PRIV1
36#define AMDGPU_PL_OA		TTM_PL_PRIV2
37
38#define AMDGPU_PL_FLAG_GDS		TTM_PL_FLAG_PRIV0
39#define AMDGPU_PL_FLAG_GWS		TTM_PL_FLAG_PRIV1
40#define AMDGPU_PL_FLAG_OA		TTM_PL_FLAG_PRIV2
41
42struct amdgpu_ring;
43struct amdgpu_bo;
44
45struct amdgpu_gds_asic_info {
46	uint32_t 	total_size;
47	uint32_t	gfx_partition_size;
48	uint32_t	cs_partition_size;
49};
50
51struct amdgpu_gds {
52	struct amdgpu_gds_asic_info	mem;
53	struct amdgpu_gds_asic_info	gws;
54	struct amdgpu_gds_asic_info	oa;
55	/* At present, GDS, GWS and OA resources for gfx (graphics) 
56	 * is always pre-allocated and available for graphics operation. 
57	 * Such resource is shared between all gfx clients.
58	 * TODO: move this operation to user space
59	 * */
60	struct amdgpu_bo*		gds_gfx_bo;
61	struct amdgpu_bo*		gws_gfx_bo;
62	struct amdgpu_bo*		oa_gfx_bo;
63};
64
65struct amdgpu_gds_reg_offset {
66	uint32_t	mem_base;
67	uint32_t	mem_size;
68	uint32_t	gws;
69	uint32_t	oa;
70};
71
72#endif /* __AMDGPU_GDS_H__ */