2 * Copyright 2016 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
24 #ifndef __AMDGPU_TTM_H__
25 #define __AMDGPU_TTM_H__
27 #include "gpu_scheduler.h"
29 #define AMDGPU_PL_GDS TTM_PL_PRIV0
30 #define AMDGPU_PL_GWS TTM_PL_PRIV1
31 #define AMDGPU_PL_OA TTM_PL_PRIV2
33 #define AMDGPU_PL_FLAG_GDS TTM_PL_FLAG_PRIV0
34 #define AMDGPU_PL_FLAG_GWS TTM_PL_FLAG_PRIV1
35 #define AMDGPU_PL_FLAG_OA TTM_PL_FLAG_PRIV2
37 #define AMDGPU_TTM_LRU_SIZE 20
39 struct amdgpu_mman_lru {
40 struct list_head *lru[TTM_NUM_MEM_TYPES];
41 struct list_head *swap_lru;
45 struct ttm_bo_global_ref bo_global_ref;
46 struct drm_global_reference mem_global_ref;
47 struct ttm_bo_device bdev;
48 bool mem_global_referenced;
51 #if defined(CONFIG_DEBUG_FS)
57 const struct amdgpu_buffer_funcs *buffer_funcs;
58 struct amdgpu_ring *buffer_funcs_ring;
59 /* Scheduler entity for buffer moves */
60 struct amd_sched_entity entity;
62 /* custom LRU management */
63 struct amdgpu_mman_lru log2_size[AMDGPU_TTM_LRU_SIZE];
66 int amdgpu_copy_buffer(struct amdgpu_ring *ring,
70 struct reservation_object *resv,
71 struct fence **fence);
72 int amdgpu_fill_buffer(struct amdgpu_bo *bo,
74 struct reservation_object *resv,
75 struct fence **fence);
77 int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma);