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2 * Copyright 2014 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
24 #ifndef __AMDGPU_GDS_H__
25 #define __AMDGPU_GDS_H__
27 /* Because TTM request that alloacted buffer should be PAGE_SIZE aligned,
28 * we should report GDS/GWS/OA size as PAGE_SIZE aligned
30 #define AMDGPU_GDS_SHIFT 2
31 #define AMDGPU_GWS_SHIFT PAGE_SHIFT
32 #define AMDGPU_OA_SHIFT PAGE_SHIFT
37 struct amdgpu_gds_asic_info
{
39 uint32_t gfx_partition_size
;
40 uint32_t cs_partition_size
;
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
52 struct amdgpu_bo
* gds_gfx_bo
;
53 struct amdgpu_bo
* gws_gfx_bo
;
54 struct amdgpu_bo
* oa_gfx_bo
;
57 struct amdgpu_gds_reg_offset
{
64 #endif /* __AMDGPU_GDS_H__ */