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 struct amdgpu_ring; 28 struct amdgpu_bo; 29 30 struct amdgpu_gds_asic_info { 31 uint32_t total_size; 32 uint32_t gfx_partition_size; 33 uint32_t cs_partition_size; 34 }; 35 36 struct amdgpu_gds { 37 struct amdgpu_gds_asic_info mem; 38 struct amdgpu_gds_asic_info gws; 39 struct amdgpu_gds_asic_info oa; 40 uint32_t gds_compute_max_wave_id; 41 42 /* At present, GDS, GWS and OA resources for gfx (graphics) 43 * is always pre-allocated and available for graphics operation. 44 * Such resource is shared between all gfx clients. 45 * TODO: move this operation to user space 46 * */ 47 struct amdgpu_bo* gds_gfx_bo; 48 struct amdgpu_bo* gws_gfx_bo; 49 struct amdgpu_bo* oa_gfx_bo; 50 }; 51 52 struct amdgpu_gds_reg_offset { 53 uint32_t mem_base; 54 uint32_t mem_size; 55 uint32_t gws; 56 uint32_t oa; 57 }; 58 59 #endif /* __AMDGPU_GDS_H__ */ 60