| /* |
| * Copyright 2014 Advanced Micro Devices, Inc. |
| * |
| * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 __AMDGPU_GDS_H__ |
| #define __AMDGPU_GDS_H__ |
| |
| /* Because TTM request that alloacted buffer should be PAGE_SIZE aligned, |
| * we should report GDS/GWS/OA size as PAGE_SIZE aligned |
| * */ |
| #define AMDGPU_GDS_SHIFT 2 |
| #define AMDGPU_GWS_SHIFT PAGE_SHIFT |
| #define AMDGPU_OA_SHIFT PAGE_SHIFT |
| |
| #define AMDGPU_PL_GDS TTM_PL_PRIV0 |
| #define AMDGPU_PL_GWS TTM_PL_PRIV1 |
| #define AMDGPU_PL_OA TTM_PL_PRIV2 |
| |
| #define AMDGPU_PL_FLAG_GDS TTM_PL_FLAG_PRIV0 |
| #define AMDGPU_PL_FLAG_GWS TTM_PL_FLAG_PRIV1 |
| #define AMDGPU_PL_FLAG_OA TTM_PL_FLAG_PRIV2 |
| |
| struct amdgpu_ring; |
| struct amdgpu_bo; |
| |
| struct amdgpu_gds_asic_info { |
| uint32_t total_size; |
| uint32_t gfx_partition_size; |
| uint32_t cs_partition_size; |
| }; |
| |
| struct amdgpu_gds { |
| struct amdgpu_gds_asic_info mem; |
| struct amdgpu_gds_asic_info gws; |
| struct amdgpu_gds_asic_info oa; |
| /* At present, GDS, GWS and OA resources for gfx (graphics) |
| * is always pre-allocated and available for graphics operation. |
| * Such resource is shared between all gfx clients. |
| * TODO: move this operation to user space |
| * */ |
| struct amdgpu_bo* gds_gfx_bo; |
| struct amdgpu_bo* gws_gfx_bo; |
| struct amdgpu_bo* oa_gfx_bo; |
| }; |
| |
| struct amdgpu_gds_reg_offset { |
| uint32_t mem_base; |
| uint32_t mem_size; |
| uint32_t gws; |
| uint32_t oa; |
| }; |
| |
| #endif /* __AMDGPU_GDS_H__ */ |