1*c632d799SFlora Cui /* 2*c632d799SFlora Cui * Copyright 2016 Advanced Micro Devices, Inc. 3*c632d799SFlora Cui * 4*c632d799SFlora Cui * Permission is hereby granted, free of charge, to any person obtaining a 5*c632d799SFlora Cui * copy of this software and associated documentation files (the "Software"), 6*c632d799SFlora Cui * to deal in the Software without restriction, including without limitation 7*c632d799SFlora Cui * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8*c632d799SFlora Cui * and/or sell copies of the Software, and to permit persons to whom the 9*c632d799SFlora Cui * Software is furnished to do so, subject to the following conditions: 10*c632d799SFlora Cui * 11*c632d799SFlora Cui * The above copyright notice and this permission notice shall be included in 12*c632d799SFlora Cui * all copies or substantial portions of the Software. 13*c632d799SFlora Cui * 14*c632d799SFlora Cui * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15*c632d799SFlora Cui * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16*c632d799SFlora Cui * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17*c632d799SFlora Cui * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18*c632d799SFlora Cui * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19*c632d799SFlora Cui * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20*c632d799SFlora Cui * OTHER DEALINGS IN THE SOFTWARE. 21*c632d799SFlora Cui * 22*c632d799SFlora Cui */ 23*c632d799SFlora Cui 24*c632d799SFlora Cui #ifndef __AMDGPU_TTM_H__ 25*c632d799SFlora Cui #define __AMDGPU_TTM_H__ 26*c632d799SFlora Cui 27*c632d799SFlora Cui #include "gpu_scheduler.h" 28*c632d799SFlora Cui 29*c632d799SFlora Cui #define AMDGPU_PL_GDS TTM_PL_PRIV0 30*c632d799SFlora Cui #define AMDGPU_PL_GWS TTM_PL_PRIV1 31*c632d799SFlora Cui #define AMDGPU_PL_OA TTM_PL_PRIV2 32*c632d799SFlora Cui 33*c632d799SFlora Cui #define AMDGPU_PL_FLAG_GDS TTM_PL_FLAG_PRIV0 34*c632d799SFlora Cui #define AMDGPU_PL_FLAG_GWS TTM_PL_FLAG_PRIV1 35*c632d799SFlora Cui #define AMDGPU_PL_FLAG_OA TTM_PL_FLAG_PRIV2 36*c632d799SFlora Cui 37*c632d799SFlora Cui #define AMDGPU_TTM_LRU_SIZE 20 38*c632d799SFlora Cui 39*c632d799SFlora Cui struct amdgpu_mman_lru { 40*c632d799SFlora Cui struct list_head *lru[TTM_NUM_MEM_TYPES]; 41*c632d799SFlora Cui struct list_head *swap_lru; 42*c632d799SFlora Cui }; 43*c632d799SFlora Cui 44*c632d799SFlora Cui struct amdgpu_mman { 45*c632d799SFlora Cui struct ttm_bo_global_ref bo_global_ref; 46*c632d799SFlora Cui struct drm_global_reference mem_global_ref; 47*c632d799SFlora Cui struct ttm_bo_device bdev; 48*c632d799SFlora Cui bool mem_global_referenced; 49*c632d799SFlora Cui bool initialized; 50*c632d799SFlora Cui 51*c632d799SFlora Cui #if defined(CONFIG_DEBUG_FS) 52*c632d799SFlora Cui struct dentry *vram; 53*c632d799SFlora Cui struct dentry *gtt; 54*c632d799SFlora Cui #endif 55*c632d799SFlora Cui 56*c632d799SFlora Cui /* buffer handling */ 57*c632d799SFlora Cui const struct amdgpu_buffer_funcs *buffer_funcs; 58*c632d799SFlora Cui struct amdgpu_ring *buffer_funcs_ring; 59*c632d799SFlora Cui /* Scheduler entity for buffer moves */ 60*c632d799SFlora Cui struct amd_sched_entity entity; 61*c632d799SFlora Cui 62*c632d799SFlora Cui /* custom LRU management */ 63*c632d799SFlora Cui struct amdgpu_mman_lru log2_size[AMDGPU_TTM_LRU_SIZE]; 64*c632d799SFlora Cui }; 65*c632d799SFlora Cui 66*c632d799SFlora Cui int amdgpu_copy_buffer(struct amdgpu_ring *ring, 67*c632d799SFlora Cui uint64_t src_offset, 68*c632d799SFlora Cui uint64_t dst_offset, 69*c632d799SFlora Cui uint32_t byte_count, 70*c632d799SFlora Cui struct reservation_object *resv, 71*c632d799SFlora Cui struct fence **fence); 72*c632d799SFlora Cui int amdgpu_fill_buffer(struct amdgpu_bo *bo, 73*c632d799SFlora Cui uint32_t src_data, 74*c632d799SFlora Cui struct reservation_object *resv, 75*c632d799SFlora Cui struct fence **fence); 76*c632d799SFlora Cui 77*c632d799SFlora Cui int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma); 78*c632d799SFlora Cui #endif 79