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 29c632d799SFlora Cui #define AMDGPU_PL_GDS TTM_PL_PRIV0 30c632d799SFlora Cui #define AMDGPU_PL_GWS TTM_PL_PRIV1 31c632d799SFlora Cui #define AMDGPU_PL_OA TTM_PL_PRIV2 32c632d799SFlora Cui 33c632d799SFlora Cui #define AMDGPU_PL_FLAG_GDS TTM_PL_FLAG_PRIV0 34c632d799SFlora Cui #define AMDGPU_PL_FLAG_GWS TTM_PL_FLAG_PRIV1 35c632d799SFlora Cui #define AMDGPU_PL_FLAG_OA TTM_PL_FLAG_PRIV2 36c632d799SFlora Cui 37c632d799SFlora Cui #define AMDGPU_TTM_LRU_SIZE 20 38c632d799SFlora Cui 39c632d799SFlora Cui struct amdgpu_mman_lru { 40c632d799SFlora Cui struct list_head *lru[TTM_NUM_MEM_TYPES]; 41c632d799SFlora Cui struct list_head *swap_lru; 42c632d799SFlora Cui }; 43c632d799SFlora Cui 44c632d799SFlora Cui struct amdgpu_mman { 45c632d799SFlora Cui struct ttm_bo_global_ref bo_global_ref; 46c632d799SFlora Cui struct drm_global_reference mem_global_ref; 47c632d799SFlora Cui struct ttm_bo_device bdev; 48c632d799SFlora Cui bool mem_global_referenced; 49c632d799SFlora Cui bool initialized; 50c632d799SFlora Cui 51c632d799SFlora Cui #if defined(CONFIG_DEBUG_FS) 52c632d799SFlora Cui struct dentry *vram; 53c632d799SFlora Cui struct dentry *gtt; 54c632d799SFlora Cui #endif 55c632d799SFlora Cui 56c632d799SFlora Cui /* buffer handling */ 57c632d799SFlora Cui const struct amdgpu_buffer_funcs *buffer_funcs; 58c632d799SFlora Cui struct amdgpu_ring *buffer_funcs_ring; 59c632d799SFlora Cui /* Scheduler entity for buffer moves */ 60c632d799SFlora Cui struct amd_sched_entity entity; 61c632d799SFlora Cui 62c632d799SFlora Cui /* custom LRU management */ 63c632d799SFlora Cui struct amdgpu_mman_lru log2_size[AMDGPU_TTM_LRU_SIZE]; 641fdc0b76SChristian König /* guard for log2_size array, don't add anything in between */ 651fdc0b76SChristian König struct amdgpu_mman_lru guard; 66c632d799SFlora Cui }; 67c632d799SFlora Cui 68c632d799SFlora Cui int amdgpu_copy_buffer(struct amdgpu_ring *ring, 69c632d799SFlora Cui uint64_t src_offset, 70c632d799SFlora Cui uint64_t dst_offset, 71c632d799SFlora Cui uint32_t byte_count, 72c632d799SFlora Cui struct reservation_object *resv, 73e24db985SChunming Zhou struct fence **fence, bool direct_submit); 74c632d799SFlora Cui int amdgpu_fill_buffer(struct amdgpu_bo *bo, 75c632d799SFlora Cui uint32_t src_data, 76c632d799SFlora Cui struct reservation_object *resv, 77c632d799SFlora Cui struct fence **fence); 78c632d799SFlora Cui 79c632d799SFlora Cui int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma); 80*c855e250SChristian König bool amdgpu_ttm_is_bound(struct ttm_tt *ttm); 81*c855e250SChristian König int amdgpu_ttm_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem); 82*c855e250SChristian König 83c632d799SFlora Cui #endif 84