1 /* 2 * Copyright 2008 Advanced Micro Devices, Inc. 3 * Copyright 2008 Red Hat Inc. 4 * Copyright 2009 Jerome Glisse. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Dave Airlie 25 * Alex Deucher 26 * Jerome Glisse 27 */ 28 #ifndef __AMDGPU_OBJECT_H__ 29 #define __AMDGPU_OBJECT_H__ 30 31 #include <drm/amdgpu_drm.h> 32 #include "amdgpu.h" 33 34 #define AMDGPU_BO_INVALID_OFFSET LONG_MAX 35 36 /** 37 * amdgpu_mem_type_to_domain - return domain corresponding to mem_type 38 * @mem_type: ttm memory type 39 * 40 * Returns corresponding domain of the ttm mem_type 41 */ 42 static inline unsigned amdgpu_mem_type_to_domain(u32 mem_type) 43 { 44 switch (mem_type) { 45 case TTM_PL_VRAM: 46 return AMDGPU_GEM_DOMAIN_VRAM; 47 case TTM_PL_TT: 48 return AMDGPU_GEM_DOMAIN_GTT; 49 case TTM_PL_SYSTEM: 50 return AMDGPU_GEM_DOMAIN_CPU; 51 case AMDGPU_PL_GDS: 52 return AMDGPU_GEM_DOMAIN_GDS; 53 case AMDGPU_PL_GWS: 54 return AMDGPU_GEM_DOMAIN_GWS; 55 case AMDGPU_PL_OA: 56 return AMDGPU_GEM_DOMAIN_OA; 57 default: 58 break; 59 } 60 return 0; 61 } 62 63 /** 64 * amdgpu_bo_reserve - reserve bo 65 * @bo: bo structure 66 * @no_intr: don't return -ERESTARTSYS on pending signal 67 * 68 * Returns: 69 * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by 70 * a signal. Release all buffer reservations and return to user-space. 71 */ 72 static inline int amdgpu_bo_reserve(struct amdgpu_bo *bo, bool no_intr) 73 { 74 struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); 75 int r; 76 77 r = ttm_bo_reserve(&bo->tbo, !no_intr, false, NULL); 78 if (unlikely(r != 0)) { 79 if (r != -ERESTARTSYS) 80 dev_err(adev->dev, "%p reserve failed\n", bo); 81 return r; 82 } 83 return 0; 84 } 85 86 static inline void amdgpu_bo_unreserve(struct amdgpu_bo *bo) 87 { 88 ttm_bo_unreserve(&bo->tbo); 89 } 90 91 static inline unsigned long amdgpu_bo_size(struct amdgpu_bo *bo) 92 { 93 return bo->tbo.num_pages << PAGE_SHIFT; 94 } 95 96 static inline unsigned amdgpu_bo_ngpu_pages(struct amdgpu_bo *bo) 97 { 98 return (bo->tbo.num_pages << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE; 99 } 100 101 static inline unsigned amdgpu_bo_gpu_page_alignment(struct amdgpu_bo *bo) 102 { 103 return (bo->tbo.mem.page_alignment << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE; 104 } 105 106 /** 107 * amdgpu_bo_mmap_offset - return mmap offset of bo 108 * @bo: amdgpu object for which we query the offset 109 * 110 * Returns mmap offset of the object. 111 */ 112 static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo) 113 { 114 return drm_vma_node_offset_addr(&bo->tbo.vma_node); 115 } 116 117 /** 118 * amdgpu_bo_gpu_accessible - return whether the bo is currently in memory that 119 * is accessible to the GPU. 120 */ 121 static inline bool amdgpu_bo_gpu_accessible(struct amdgpu_bo *bo) 122 { 123 return bo->tbo.mem.mem_type != TTM_PL_SYSTEM; 124 } 125 126 int amdgpu_bo_create(struct amdgpu_device *adev, 127 unsigned long size, int byte_align, 128 bool kernel, u32 domain, u64 flags, 129 struct sg_table *sg, 130 struct reservation_object *resv, 131 struct amdgpu_bo **bo_ptr); 132 int amdgpu_bo_create_restricted(struct amdgpu_device *adev, 133 unsigned long size, int byte_align, 134 bool kernel, u32 domain, u64 flags, 135 struct sg_table *sg, 136 struct ttm_placement *placement, 137 struct reservation_object *resv, 138 struct amdgpu_bo **bo_ptr); 139 int amdgpu_bo_create_kernel(struct amdgpu_device *adev, 140 unsigned long size, int align, 141 u32 domain, struct amdgpu_bo **bo_ptr, 142 u64 *gpu_addr, void **cpu_addr); 143 void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr, 144 void **cpu_addr); 145 int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr); 146 void amdgpu_bo_kunmap(struct amdgpu_bo *bo); 147 struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo); 148 void amdgpu_bo_unref(struct amdgpu_bo **bo); 149 int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain, u64 *gpu_addr); 150 int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain, 151 u64 min_offset, u64 max_offset, 152 u64 *gpu_addr); 153 int amdgpu_bo_unpin(struct amdgpu_bo *bo); 154 int amdgpu_bo_evict_vram(struct amdgpu_device *adev); 155 int amdgpu_bo_init(struct amdgpu_device *adev); 156 void amdgpu_bo_fini(struct amdgpu_device *adev); 157 int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo, 158 struct vm_area_struct *vma); 159 int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags); 160 void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags); 161 int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata, 162 uint32_t metadata_size, uint64_t flags); 163 int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer, 164 size_t buffer_size, uint32_t *metadata_size, 165 uint64_t *flags); 166 void amdgpu_bo_move_notify(struct ttm_buffer_object *bo, 167 bool evict, 168 struct ttm_mem_reg *new_mem); 169 int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo); 170 void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence, 171 bool shared); 172 u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo); 173 int amdgpu_bo_backup_to_shadow(struct amdgpu_device *adev, 174 struct amdgpu_ring *ring, 175 struct amdgpu_bo *bo, 176 struct reservation_object *resv, 177 struct dma_fence **fence, bool direct); 178 int amdgpu_bo_validate(struct amdgpu_bo *bo); 179 int amdgpu_bo_restore_from_shadow(struct amdgpu_device *adev, 180 struct amdgpu_ring *ring, 181 struct amdgpu_bo *bo, 182 struct reservation_object *resv, 183 struct dma_fence **fence, 184 bool direct); 185 186 187 /* 188 * sub allocation 189 */ 190 191 static inline uint64_t amdgpu_sa_bo_gpu_addr(struct amdgpu_sa_bo *sa_bo) 192 { 193 return sa_bo->manager->gpu_addr + sa_bo->soffset; 194 } 195 196 static inline void * amdgpu_sa_bo_cpu_addr(struct amdgpu_sa_bo *sa_bo) 197 { 198 return sa_bo->manager->cpu_ptr + sa_bo->soffset; 199 } 200 201 int amdgpu_sa_bo_manager_init(struct amdgpu_device *adev, 202 struct amdgpu_sa_manager *sa_manager, 203 unsigned size, u32 align, u32 domain); 204 void amdgpu_sa_bo_manager_fini(struct amdgpu_device *adev, 205 struct amdgpu_sa_manager *sa_manager); 206 int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev, 207 struct amdgpu_sa_manager *sa_manager); 208 int amdgpu_sa_bo_manager_suspend(struct amdgpu_device *adev, 209 struct amdgpu_sa_manager *sa_manager); 210 int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager, 211 struct amdgpu_sa_bo **sa_bo, 212 unsigned size, unsigned align); 213 void amdgpu_sa_bo_free(struct amdgpu_device *adev, 214 struct amdgpu_sa_bo **sa_bo, 215 struct dma_fence *fence); 216 #if defined(CONFIG_DEBUG_FS) 217 void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager, 218 struct seq_file *m); 219 #endif 220 221 222 #endif 223