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1 | /* |
2 | * Copyright 2016 Advanced Micro Devices, Inc. | |
3 | * | |
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: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
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. | |
21 | * | |
22 | */ | |
23 | ||
24 | #ifndef __AMDGPU_TTM_H__ | |
25 | #define __AMDGPU_TTM_H__ | |
26 | ||
27 | #include "gpu_scheduler.h" | |
28 | ||
283cde69 CK |
29 | #define AMDGPU_PL_GDS (TTM_PL_PRIV + 0) |
30 | #define AMDGPU_PL_GWS (TTM_PL_PRIV + 1) | |
31 | #define AMDGPU_PL_OA (TTM_PL_PRIV + 2) | |
c632d799 | 32 | |
283cde69 CK |
33 | #define AMDGPU_PL_FLAG_GDS (TTM_PL_FLAG_PRIV << 0) |
34 | #define AMDGPU_PL_FLAG_GWS (TTM_PL_FLAG_PRIV << 1) | |
35 | #define AMDGPU_PL_FLAG_OA (TTM_PL_FLAG_PRIV << 2) | |
c632d799 FC |
36 | |
37 | #define AMDGPU_TTM_LRU_SIZE 20 | |
38 | ||
39 | struct amdgpu_mman_lru { | |
40 | struct list_head *lru[TTM_NUM_MEM_TYPES]; | |
41 | struct list_head *swap_lru; | |
42 | }; | |
43 | ||
44 | struct amdgpu_mman { | |
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; | |
49 | bool initialized; | |
50 | ||
51 | #if defined(CONFIG_DEBUG_FS) | |
52 | struct dentry *vram; | |
53 | struct dentry *gtt; | |
54 | #endif | |
55 | ||
56 | /* buffer handling */ | |
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; | |
61 | ||
62 | /* custom LRU management */ | |
63 | struct amdgpu_mman_lru log2_size[AMDGPU_TTM_LRU_SIZE]; | |
1fdc0b76 CK |
64 | /* guard for log2_size array, don't add anything in between */ |
65 | struct amdgpu_mman_lru guard; | |
c632d799 FC |
66 | }; |
67 | ||
bb990bb0 | 68 | extern const struct ttm_mem_type_manager_func amdgpu_gtt_mgr_func; |
6a7f76e7 | 69 | extern const struct ttm_mem_type_manager_func amdgpu_vram_mgr_func; |
bb990bb0 CK |
70 | |
71 | int amdgpu_gtt_mgr_alloc(struct ttm_mem_type_manager *man, | |
72 | struct ttm_buffer_object *tbo, | |
73 | const struct ttm_place *place, | |
74 | struct ttm_mem_reg *mem); | |
75 | ||
c632d799 FC |
76 | int amdgpu_copy_buffer(struct amdgpu_ring *ring, |
77 | uint64_t src_offset, | |
78 | uint64_t dst_offset, | |
79 | uint32_t byte_count, | |
80 | struct reservation_object *resv, | |
f54d1867 | 81 | struct dma_fence **fence, bool direct_submit); |
c632d799 FC |
82 | int amdgpu_fill_buffer(struct amdgpu_bo *bo, |
83 | uint32_t src_data, | |
84 | struct reservation_object *resv, | |
f54d1867 | 85 | struct dma_fence **fence); |
c632d799 FC |
86 | |
87 | int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma); | |
c855e250 | 88 | bool amdgpu_ttm_is_bound(struct ttm_tt *ttm); |
bb990bb0 | 89 | int amdgpu_ttm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *bo_mem); |
c855e250 | 90 | |
c632d799 | 91 | #endif |