1c632d799SFlora Cui /* 2c632d799SFlora Cui * Copyright 2016 Advanced Micro Devices, Inc. 3c632d799SFlora Cui * 4c632d799SFlora Cui * Permission is hereby granted, free of charge, to any person obtaining a 5c632d799SFlora Cui * copy of this software and associated documentation files (the "Software"), 6c632d799SFlora Cui * to deal in the Software without restriction, including without limitation 7c632d799SFlora Cui * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8c632d799SFlora Cui * and/or sell copies of the Software, and to permit persons to whom the 9c632d799SFlora Cui * Software is furnished to do so, subject to the following conditions: 10c632d799SFlora Cui * 11c632d799SFlora Cui * The above copyright notice and this permission notice shall be included in 12c632d799SFlora Cui * all copies or substantial portions of the Software. 13c632d799SFlora Cui * 14c632d799SFlora Cui * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15c632d799SFlora Cui * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16c632d799SFlora Cui * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17c632d799SFlora Cui * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18c632d799SFlora Cui * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19c632d799SFlora Cui * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20c632d799SFlora Cui * OTHER DEALINGS IN THE SOFTWARE. 21c632d799SFlora Cui * 22c632d799SFlora Cui */ 23c632d799SFlora Cui 24c632d799SFlora Cui #ifndef __AMDGPU_TTM_H__ 25c632d799SFlora Cui #define __AMDGPU_TTM_H__ 26c632d799SFlora Cui 27c632d799SFlora Cui #include "gpu_scheduler.h" 28c632d799SFlora Cui 29283cde69SChristian König #define AMDGPU_PL_GDS (TTM_PL_PRIV + 0) 30283cde69SChristian König #define AMDGPU_PL_GWS (TTM_PL_PRIV + 1) 31283cde69SChristian König #define AMDGPU_PL_OA (TTM_PL_PRIV + 2) 32c632d799SFlora Cui 33283cde69SChristian König #define AMDGPU_PL_FLAG_GDS (TTM_PL_FLAG_PRIV << 0) 34283cde69SChristian König #define AMDGPU_PL_FLAG_GWS (TTM_PL_FLAG_PRIV << 1) 35283cde69SChristian König #define AMDGPU_PL_FLAG_OA (TTM_PL_FLAG_PRIV << 2) 36c632d799SFlora Cui 37cc25188aSChristian König #define AMDGPU_GTT_MAX_TRANSFER_SIZE 512 38cc25188aSChristian König #define AMDGPU_GTT_NUM_TRANSFER_WINDOWS 2 39cc25188aSChristian König 40c632d799SFlora Cui struct amdgpu_mman { 41c632d799SFlora Cui struct ttm_bo_global_ref bo_global_ref; 42c632d799SFlora Cui struct drm_global_reference mem_global_ref; 43c632d799SFlora Cui struct ttm_bo_device bdev; 44c632d799SFlora Cui bool mem_global_referenced; 45c632d799SFlora Cui bool initialized; 46c632d799SFlora Cui 47c632d799SFlora Cui #if defined(CONFIG_DEBUG_FS) 48c632d799SFlora Cui struct dentry *vram; 49c632d799SFlora Cui struct dentry *gtt; 50c632d799SFlora Cui #endif 51c632d799SFlora Cui 52c632d799SFlora Cui /* buffer handling */ 53c632d799SFlora Cui const struct amdgpu_buffer_funcs *buffer_funcs; 54c632d799SFlora Cui struct amdgpu_ring *buffer_funcs_ring; 55abca90f1SChristian König 56abca90f1SChristian König struct mutex gtt_window_lock; 57c632d799SFlora Cui /* Scheduler entity for buffer moves */ 58c632d799SFlora Cui struct amd_sched_entity entity; 59c632d799SFlora Cui }; 60c632d799SFlora Cui 61bb990bb0SChristian König extern const struct ttm_mem_type_manager_func amdgpu_gtt_mgr_func; 626a7f76e7SChristian König extern const struct ttm_mem_type_manager_func amdgpu_vram_mgr_func; 63bb990bb0SChristian König 6498a7f88cSChristian König bool amdgpu_gtt_mgr_is_allocated(struct ttm_mem_reg *mem); 65bb990bb0SChristian König int amdgpu_gtt_mgr_alloc(struct ttm_mem_type_manager *man, 66bb990bb0SChristian König struct ttm_buffer_object *tbo, 67bb990bb0SChristian König const struct ttm_place *place, 68bb990bb0SChristian König struct ttm_mem_reg *mem); 69bb990bb0SChristian König 70fc9c8f54SChristian König int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset, 71fc9c8f54SChristian König uint64_t dst_offset, uint32_t byte_count, 72c632d799SFlora Cui struct reservation_object *resv, 73fc9c8f54SChristian König struct dma_fence **fence, bool direct_submit, 74fc9c8f54SChristian König bool vm_needs_flush); 75c632d799SFlora Cui int amdgpu_fill_buffer(struct amdgpu_bo *bo, 76*330df03bSYong Zhao uint64_t src_data, 77c632d799SFlora Cui struct reservation_object *resv, 78f54d1867SChris Wilson struct dma_fence **fence); 79c632d799SFlora Cui 80c632d799SFlora Cui int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma); 81c855e250SChristian König bool amdgpu_ttm_is_bound(struct ttm_tt *ttm); 82bb990bb0SChristian König int amdgpu_ttm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *bo_mem); 833490bdb5SChristian König int amdgpu_ttm_recover_gart(struct amdgpu_device *adev); 84c855e250SChristian König 85c632d799SFlora Cui #endif 86