1*b843c749SSergey Zigachev /* 2*b843c749SSergey Zigachev * Copyright 2014 Advanced Micro Devices, Inc. 3*b843c749SSergey Zigachev * 4*b843c749SSergey Zigachev * Permission is hereby granted, free of charge, to any person obtaining a 5*b843c749SSergey Zigachev * copy of this software and associated documentation files (the "Software"), 6*b843c749SSergey Zigachev * to deal in the Software without restriction, including without limitation 7*b843c749SSergey Zigachev * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8*b843c749SSergey Zigachev * and/or sell copies of the Software, and to permit persons to whom the 9*b843c749SSergey Zigachev * Software is furnished to do so, subject to the following conditions: 10*b843c749SSergey Zigachev * 11*b843c749SSergey Zigachev * The above copyright notice and this permission notice shall be included in 12*b843c749SSergey Zigachev * all copies or substantial portions of the Software. 13*b843c749SSergey Zigachev * 14*b843c749SSergey Zigachev * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15*b843c749SSergey Zigachev * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16*b843c749SSergey Zigachev * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17*b843c749SSergey Zigachev * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18*b843c749SSergey Zigachev * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19*b843c749SSergey Zigachev * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20*b843c749SSergey Zigachev * OTHER DEALINGS IN THE SOFTWARE. 21*b843c749SSergey Zigachev * 22*b843c749SSergey Zigachev */ 23*b843c749SSergey Zigachev 24*b843c749SSergey Zigachev #ifndef __AMDGPU_GDS_H__ 25*b843c749SSergey Zigachev #define __AMDGPU_GDS_H__ 26*b843c749SSergey Zigachev 27*b843c749SSergey Zigachev /* Because TTM request that alloacted buffer should be PAGE_SIZE aligned, 28*b843c749SSergey Zigachev * we should report GDS/GWS/OA size as PAGE_SIZE aligned 29*b843c749SSergey Zigachev * */ 30*b843c749SSergey Zigachev #define AMDGPU_GDS_SHIFT 2 31*b843c749SSergey Zigachev #define AMDGPU_GWS_SHIFT PAGE_SHIFT 32*b843c749SSergey Zigachev #define AMDGPU_OA_SHIFT PAGE_SHIFT 33*b843c749SSergey Zigachev 34*b843c749SSergey Zigachev struct amdgpu_ring; 35*b843c749SSergey Zigachev struct amdgpu_bo; 36*b843c749SSergey Zigachev 37*b843c749SSergey Zigachev struct amdgpu_gds_asic_info { 38*b843c749SSergey Zigachev uint32_t total_size; 39*b843c749SSergey Zigachev uint32_t gfx_partition_size; 40*b843c749SSergey Zigachev uint32_t cs_partition_size; 41*b843c749SSergey Zigachev }; 42*b843c749SSergey Zigachev 43*b843c749SSergey Zigachev struct amdgpu_gds { 44*b843c749SSergey Zigachev struct amdgpu_gds_asic_info mem; 45*b843c749SSergey Zigachev struct amdgpu_gds_asic_info gws; 46*b843c749SSergey Zigachev struct amdgpu_gds_asic_info oa; 47*b843c749SSergey Zigachev /* At present, GDS, GWS and OA resources for gfx (graphics) 48*b843c749SSergey Zigachev * is always pre-allocated and available for graphics operation. 49*b843c749SSergey Zigachev * Such resource is shared between all gfx clients. 50*b843c749SSergey Zigachev * TODO: move this operation to user space 51*b843c749SSergey Zigachev * */ 52*b843c749SSergey Zigachev struct amdgpu_bo* gds_gfx_bo; 53*b843c749SSergey Zigachev struct amdgpu_bo* gws_gfx_bo; 54*b843c749SSergey Zigachev struct amdgpu_bo* oa_gfx_bo; 55*b843c749SSergey Zigachev }; 56*b843c749SSergey Zigachev 57*b843c749SSergey Zigachev struct amdgpu_gds_reg_offset { 58*b843c749SSergey Zigachev uint32_t mem_base; 59*b843c749SSergey Zigachev uint32_t mem_size; 60*b843c749SSergey Zigachev uint32_t gws; 61*b843c749SSergey Zigachev uint32_t oa; 62*b843c749SSergey Zigachev }; 63*b843c749SSergey Zigachev 64*b843c749SSergey Zigachev #endif /* __AMDGPU_GDS_H__ */ 65