1 /* $NetBSD: radeon_object.h,v 1.4 2021/12/18 23:45:43 riastradh Exp $ */ 2 3 /* 4 * Copyright 2008 Advanced Micro Devices, Inc. 5 * Copyright 2008 Red Hat Inc. 6 * Copyright 2009 Jerome Glisse. 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a 9 * copy of this software and associated documentation files (the "Software"), 10 * to deal in the Software without restriction, including without limitation 11 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 12 * and/or sell copies of the Software, and to permit persons to whom the 13 * Software is furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be included in 16 * all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 22 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 23 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 24 * OTHER DEALINGS IN THE SOFTWARE. 25 * 26 * Authors: Dave Airlie 27 * Alex Deucher 28 * Jerome Glisse 29 */ 30 #ifndef __RADEON_OBJECT_H__ 31 #define __RADEON_OBJECT_H__ 32 33 #include <drm/radeon_drm.h> 34 #include "radeon.h" 35 36 /** 37 * radeon_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 radeon_mem_type_to_domain(u32 mem_type) 43 { 44 switch (mem_type) { 45 case TTM_PL_VRAM: 46 return RADEON_GEM_DOMAIN_VRAM; 47 case TTM_PL_TT: 48 return RADEON_GEM_DOMAIN_GTT; 49 case TTM_PL_SYSTEM: 50 return RADEON_GEM_DOMAIN_CPU; 51 default: 52 break; 53 } 54 return 0; 55 } 56 57 /** 58 * radeon_bo_reserve - reserve bo 59 * @bo: bo structure 60 * @no_intr: don't return -ERESTARTSYS on pending signal 61 * 62 * Returns: 63 * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by 64 * a signal. Release all buffer reservations and return to user-space. 65 */ 66 static inline int radeon_bo_reserve(struct radeon_bo *bo, bool no_intr) 67 { 68 int r; 69 70 r = ttm_bo_reserve(&bo->tbo, !no_intr, false, NULL); 71 if (unlikely(r != 0)) { 72 if (r != -ERESTARTSYS) 73 dev_err(bo->rdev->dev, "%p reserve failed\n", bo); 74 return r; 75 } 76 return 0; 77 } 78 79 static inline void radeon_bo_unreserve(struct radeon_bo *bo) 80 { 81 ttm_bo_unreserve(&bo->tbo); 82 } 83 84 /** 85 * radeon_bo_gpu_offset - return GPU offset of bo 86 * @bo: radeon object for which we query the offset 87 * 88 * Returns current GPU offset of the object. 89 * 90 * Note: object should either be pinned or reserved when calling this 91 * function, it might be useful to add check for this for debugging. 92 */ 93 static inline u64 radeon_bo_gpu_offset(struct radeon_bo *bo) 94 { 95 return bo->tbo.offset; 96 } 97 98 static inline unsigned long radeon_bo_size(struct radeon_bo *bo) 99 { 100 return bo->tbo.num_pages << PAGE_SHIFT; 101 } 102 103 static inline unsigned radeon_bo_ngpu_pages(struct radeon_bo *bo) 104 { 105 return (bo->tbo.num_pages << PAGE_SHIFT) / RADEON_GPU_PAGE_SIZE; 106 } 107 108 static inline unsigned radeon_bo_gpu_page_alignment(struct radeon_bo *bo) 109 { 110 return (bo->tbo.mem.page_alignment << PAGE_SHIFT) / RADEON_GPU_PAGE_SIZE; 111 } 112 113 /** 114 * radeon_bo_mmap_offset - return mmap offset of bo 115 * @bo: radeon object for which we query the offset 116 * 117 * Returns mmap offset of the object. 118 */ 119 static inline u64 radeon_bo_mmap_offset(struct radeon_bo *bo) 120 { 121 return drm_vma_node_offset_addr(&bo->tbo.base.vma_node); 122 } 123 124 extern int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type, 125 bool no_wait); 126 127 extern int radeon_bo_create(struct radeon_device *rdev, 128 unsigned long size, int byte_align, 129 bool kernel, u32 domain, u32 flags, 130 struct sg_table *sg, 131 struct dma_resv *resv, 132 struct radeon_bo **bo_ptr); 133 extern int radeon_bo_kmap(struct radeon_bo *bo, void **ptr); 134 extern void radeon_bo_kunmap(struct radeon_bo *bo); 135 extern struct radeon_bo *radeon_bo_ref(struct radeon_bo *bo); 136 extern void radeon_bo_unref(struct radeon_bo **bo); 137 extern int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr); 138 extern int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain, 139 u64 max_offset, u64 *gpu_addr); 140 extern int radeon_bo_unpin(struct radeon_bo *bo); 141 extern int radeon_bo_evict_vram(struct radeon_device *rdev); 142 extern void radeon_bo_force_delete(struct radeon_device *rdev); 143 extern int radeon_bo_init(struct radeon_device *rdev); 144 extern void radeon_bo_fini(struct radeon_device *rdev); 145 extern int radeon_bo_list_validate(struct radeon_device *rdev, 146 struct ww_acquire_ctx *ticket, 147 struct list_head *head, int ring); 148 extern int radeon_bo_set_tiling_flags(struct radeon_bo *bo, 149 u32 tiling_flags, u32 pitch); 150 extern void radeon_bo_get_tiling_flags(struct radeon_bo *bo, 151 u32 *tiling_flags, u32 *pitch); 152 extern int radeon_bo_check_tiling(struct radeon_bo *bo, bool has_moved, 153 bool force_drop); 154 extern void radeon_bo_move_notify(struct ttm_buffer_object *bo, 155 bool evict, 156 struct ttm_mem_reg *new_mem); 157 extern int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo); 158 extern int radeon_bo_get_surface_reg(struct radeon_bo *bo); 159 extern void radeon_bo_fence(struct radeon_bo *bo, struct radeon_fence *fence, 160 bool shared); 161 162 /* 163 * sub allocation 164 */ 165 166 static inline uint64_t radeon_sa_bo_gpu_addr(struct radeon_sa_bo *sa_bo) 167 { 168 return sa_bo->manager->gpu_addr + sa_bo->soffset; 169 } 170 171 static inline void * radeon_sa_bo_cpu_addr(struct radeon_sa_bo *sa_bo) 172 { 173 return (char *)sa_bo->manager->cpu_ptr + sa_bo->soffset; 174 } 175 176 extern int radeon_sa_bo_manager_init(struct radeon_device *rdev, 177 struct radeon_sa_manager *sa_manager, 178 unsigned size, u32 align, u32 domain, 179 u32 flags); 180 extern void radeon_sa_bo_manager_fini(struct radeon_device *rdev, 181 struct radeon_sa_manager *sa_manager); 182 extern int radeon_sa_bo_manager_start(struct radeon_device *rdev, 183 struct radeon_sa_manager *sa_manager); 184 extern int radeon_sa_bo_manager_suspend(struct radeon_device *rdev, 185 struct radeon_sa_manager *sa_manager); 186 extern int radeon_sa_bo_new(struct radeon_device *rdev, 187 struct radeon_sa_manager *sa_manager, 188 struct radeon_sa_bo **sa_bo, 189 unsigned size, unsigned align); 190 extern void radeon_sa_bo_free(struct radeon_device *rdev, 191 struct radeon_sa_bo **sa_bo, 192 struct radeon_fence *fence); 193 #if defined(CONFIG_DEBUG_FS) 194 extern void radeon_sa_bo_dump_debug_info(struct radeon_sa_manager *sa_manager, 195 struct seq_file *m); 196 #endif 197 198 199 #endif 200
Indexes created Sun Sep 21 20:09:37 GMT 2025