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 29 #ifndef __RADEON_OBJECT_H__ 30 #define __RADEON_OBJECT_H__ 31 32 #include <drm/radeon_drm.h> 33 #include "radeon.h" 34 35 /** 36 * radeon_mem_type_to_domain - return domain corresponding to mem_type 37 * @mem_type: ttm memory type 38 * 39 * Returns corresponding domain of the ttm mem_type 40 */ 41 static inline unsigned radeon_mem_type_to_domain(u32 mem_type) 42 { 43 switch (mem_type) { 44 case TTM_PL_VRAM: 45 return RADEON_GEM_DOMAIN_VRAM; 46 case TTM_PL_TT: 47 return RADEON_GEM_DOMAIN_GTT; 48 case TTM_PL_SYSTEM: 49 return RADEON_GEM_DOMAIN_CPU; 50 default: 51 break; 52 } 53 return 0; 54 } 55 56 int radeon_bo_reserve(struct radeon_bo *bo, bool no_intr); 57 58 static inline void radeon_bo_unreserve(struct radeon_bo *bo) 59 { 60 ttm_bo_unreserve(&bo->tbo); 61 } 62 63 /** 64 * radeon_bo_gpu_offset - return GPU offset of bo 65 * @bo: radeon object for which we query the offset 66 * 67 * Returns current GPU offset of the object. 68 * 69 * Note: object should either be pinned or reserved when calling this 70 * function, it might be useful to add check for this for debugging. 71 */ 72 static inline u64 radeon_bo_gpu_offset(struct radeon_bo *bo) 73 { 74 return bo->tbo.offset; 75 } 76 77 static inline unsigned long radeon_bo_size(struct radeon_bo *bo) 78 { 79 return bo->tbo.num_pages << PAGE_SHIFT; 80 } 81 82 static inline unsigned radeon_bo_ngpu_pages(struct radeon_bo *bo) 83 { 84 return (bo->tbo.num_pages << PAGE_SHIFT) / RADEON_GPU_PAGE_SIZE; 85 } 86 87 static inline unsigned radeon_bo_gpu_page_alignment(struct radeon_bo *bo) 88 { 89 return (bo->tbo.mem.page_alignment << PAGE_SHIFT) / RADEON_GPU_PAGE_SIZE; 90 } 91 92 /** 93 * radeon_bo_mmap_offset - return mmap offset of bo 94 * @bo: radeon object for which we query the offset 95 * 96 * Returns mmap offset of the object. 97 */ 98 static inline u64 radeon_bo_mmap_offset(struct radeon_bo *bo) 99 { 100 return drm_vma_node_offset_addr(&bo->tbo.vma_node); 101 } 102 103 extern int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type, 104 bool no_wait); 105 106 extern int radeon_bo_create(struct radeon_device *rdev, 107 unsigned long size, int byte_align, 108 bool kernel, u32 domain, u32 flags, 109 struct sg_table *sg, 110 struct radeon_bo **bo_ptr); 111 extern int radeon_bo_kmap(struct radeon_bo *bo, void **ptr); 112 extern void radeon_bo_kunmap(struct radeon_bo *bo); 113 extern struct radeon_bo *radeon_bo_ref(struct radeon_bo *bo); 114 extern void radeon_bo_unref(struct radeon_bo **bo); 115 extern int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr); 116 extern int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain, 117 u64 max_offset, u64 *gpu_addr); 118 extern int radeon_bo_unpin(struct radeon_bo *bo); 119 extern int radeon_bo_evict_vram(struct radeon_device *rdev); 120 extern void radeon_bo_force_delete(struct radeon_device *rdev); 121 extern int radeon_bo_init(struct radeon_device *rdev); 122 extern void radeon_bo_fini(struct radeon_device *rdev); 123 extern int radeon_bo_list_validate(struct radeon_device *rdev, 124 struct ww_acquire_ctx *ticket, 125 struct list_head *head, int ring); 126 extern int radeon_bo_set_tiling_flags(struct radeon_bo *bo, 127 u32 tiling_flags, u32 pitch); 128 extern void radeon_bo_get_tiling_flags(struct radeon_bo *bo, 129 u32 *tiling_flags, u32 *pitch); 130 extern int radeon_bo_check_tiling(struct radeon_bo *bo, bool has_moved, 131 bool force_drop); 132 extern void radeon_bo_move_notify(struct ttm_buffer_object *bo, 133 struct ttm_mem_reg *new_mem); 134 extern int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo); 135 extern int radeon_bo_get_surface_reg(struct radeon_bo *bo); 136 137 /* 138 * sub allocation 139 */ 140 141 static inline uint64_t radeon_sa_bo_gpu_addr(struct radeon_sa_bo *sa_bo) 142 { 143 return sa_bo->manager->gpu_addr + sa_bo->soffset; 144 } 145 146 static inline void * radeon_sa_bo_cpu_addr(struct radeon_sa_bo *sa_bo) 147 { 148 return (char *)sa_bo->manager->cpu_ptr + sa_bo->soffset; 149 } 150 151 extern int radeon_sa_bo_manager_init(struct radeon_device *rdev, 152 struct radeon_sa_manager *sa_manager, 153 unsigned size, u32 align, u32 domain, 154 u32 flags); 155 extern void radeon_sa_bo_manager_fini(struct radeon_device *rdev, 156 struct radeon_sa_manager *sa_manager); 157 extern int radeon_sa_bo_manager_start(struct radeon_device *rdev, 158 struct radeon_sa_manager *sa_manager); 159 extern int radeon_sa_bo_manager_suspend(struct radeon_device *rdev, 160 struct radeon_sa_manager *sa_manager); 161 extern int radeon_sa_bo_new(struct radeon_device *rdev, 162 struct radeon_sa_manager *sa_manager, 163 struct radeon_sa_bo **sa_bo, 164 unsigned size, unsigned align); 165 extern void radeon_sa_bo_free(struct radeon_device *rdev, 166 struct radeon_sa_bo **sa_bo, 167 struct radeon_fence *fence); 168 #if defined(CONFIG_DEBUG_FS) 169 extern void radeon_sa_bo_dump_debug_info(struct radeon_sa_manager *sa_manager, 170 struct seq_file *m); 171 #endif 172 173 174 #endif 175