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 * $FreeBSD: head/sys/dev/drm2/radeon/radeon_object.h 254885 2013-08-25 19:37:15Z dumbbell $ 29 */ 30 31 #ifndef __RADEON_OBJECT_H__ 32 #define __RADEON_OBJECT_H__ 33 34 #include <uapi_drm/radeon_drm.h> 35 #include "radeon.h" 36 37 /* 38 * Undefine max_offset (defined in vm/vm_map.h), because it conflicts 39 * with an argument of the function radeon_bo_pin_restricted(). 40 */ 41 #undef max_offset 42 43 /** 44 * radeon_mem_type_to_domain - return domain corresponding to mem_type 45 * @mem_type: ttm memory type 46 * 47 * Returns corresponding domain of the ttm mem_type 48 */ 49 static inline unsigned radeon_mem_type_to_domain(u32 mem_type) 50 { 51 switch (mem_type) { 52 case TTM_PL_VRAM: 53 return RADEON_GEM_DOMAIN_VRAM; 54 case TTM_PL_TT: 55 return RADEON_GEM_DOMAIN_GTT; 56 case TTM_PL_SYSTEM: 57 return RADEON_GEM_DOMAIN_CPU; 58 default: 59 break; 60 } 61 return 0; 62 } 63 64 int radeon_bo_reserve(struct radeon_bo *bo, bool no_intr); 65 66 static inline void radeon_bo_unreserve(struct radeon_bo *bo) 67 { 68 ttm_bo_unreserve(&bo->tbo); 69 } 70 71 /** 72 * radeon_bo_gpu_offset - return GPU offset of bo 73 * @bo: radeon object for which we query the offset 74 * 75 * Returns current GPU offset of the object. 76 * 77 * Note: object should either be pinned or reserved when calling this 78 * function, it might be useful to add check for this for debugging. 79 */ 80 static inline u64 radeon_bo_gpu_offset(struct radeon_bo *bo) 81 { 82 return bo->tbo.offset; 83 } 84 85 static inline unsigned long radeon_bo_size(struct radeon_bo *bo) 86 { 87 return bo->tbo.num_pages << PAGE_SHIFT; 88 } 89 90 static inline bool radeon_bo_is_reserved(struct radeon_bo *bo) 91 { 92 return ttm_bo_is_reserved(&bo->tbo); 93 } 94 95 static inline unsigned radeon_bo_ngpu_pages(struct radeon_bo *bo) 96 { 97 return (bo->tbo.num_pages << PAGE_SHIFT) / RADEON_GPU_PAGE_SIZE; 98 } 99 100 static inline unsigned radeon_bo_gpu_page_alignment(struct radeon_bo *bo) 101 { 102 return (bo->tbo.mem.page_alignment << PAGE_SHIFT) / RADEON_GPU_PAGE_SIZE; 103 } 104 105 /** 106 * radeon_bo_mmap_offset - return mmap offset of bo 107 * @bo: radeon object for which we query the offset 108 * 109 * Returns mmap offset of the object. 110 * 111 * Note: addr_space_offset is constant after ttm bo init thus isn't protected 112 * by any lock. 113 */ 114 static inline u64 radeon_bo_mmap_offset(struct radeon_bo *bo) 115 { 116 return bo->tbo.addr_space_offset; 117 } 118 119 extern int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type, 120 bool no_wait); 121 122 extern int radeon_bo_create(struct radeon_device *rdev, 123 unsigned long size, int byte_align, 124 bool kernel, u32 domain, 125 struct sg_table *sg, 126 struct radeon_bo **bo_ptr); 127 extern int radeon_bo_kmap(struct radeon_bo *bo, void **ptr); 128 extern void radeon_bo_kunmap(struct radeon_bo *bo); 129 extern void radeon_bo_unref(struct radeon_bo **bo); 130 extern int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr); 131 extern int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain, 132 u64 max_offset, u64 *gpu_addr); 133 extern int radeon_bo_unpin(struct radeon_bo *bo); 134 extern int radeon_bo_evict_vram(struct radeon_device *rdev); 135 extern void radeon_bo_force_delete(struct radeon_device *rdev); 136 extern int radeon_bo_init(struct radeon_device *rdev); 137 extern void radeon_bo_fini(struct radeon_device *rdev); 138 extern void radeon_bo_list_add_object(struct radeon_bo_list *lobj, 139 struct list_head *head); 140 extern int radeon_bo_list_validate(struct list_head *head); 141 #ifdef DUMBBELL_WIP 142 extern int radeon_bo_fbdev_mmap(struct radeon_bo *bo, 143 struct vm_area_struct *vma); 144 #endif /* DUMBBELL_WIP */ 145 extern int radeon_bo_set_tiling_flags(struct radeon_bo *bo, 146 u32 tiling_flags, u32 pitch); 147 extern void radeon_bo_get_tiling_flags(struct radeon_bo *bo, 148 u32 *tiling_flags, u32 *pitch); 149 extern int radeon_bo_check_tiling(struct radeon_bo *bo, bool has_moved, 150 bool force_drop); 151 extern void radeon_bo_move_notify(struct ttm_buffer_object *bo, 152 struct ttm_mem_reg *mem); 153 extern int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo); 154 extern int radeon_bo_get_surface_reg(struct radeon_bo *bo); 155 156 /* 157 * sub allocation 158 */ 159 160 static inline uint64_t radeon_sa_bo_gpu_addr(struct radeon_sa_bo *sa_bo) 161 { 162 return sa_bo->manager->gpu_addr + sa_bo->soffset; 163 } 164 165 static inline void * radeon_sa_bo_cpu_addr(struct radeon_sa_bo *sa_bo) 166 { 167 return (char *)sa_bo->manager->cpu_ptr + sa_bo->soffset; 168 } 169 170 extern int radeon_sa_bo_manager_init(struct radeon_device *rdev, 171 struct radeon_sa_manager *sa_manager, 172 unsigned size, u32 domain); 173 extern void radeon_sa_bo_manager_fini(struct radeon_device *rdev, 174 struct radeon_sa_manager *sa_manager); 175 extern int radeon_sa_bo_manager_start(struct radeon_device *rdev, 176 struct radeon_sa_manager *sa_manager); 177 extern int radeon_sa_bo_manager_suspend(struct radeon_device *rdev, 178 struct radeon_sa_manager *sa_manager); 179 extern int radeon_sa_bo_new(struct radeon_device *rdev, 180 struct radeon_sa_manager *sa_manager, 181 struct radeon_sa_bo **sa_bo, 182 unsigned size, unsigned align, bool block); 183 extern void radeon_sa_bo_free(struct radeon_device *rdev, 184 struct radeon_sa_bo **sa_bo, 185 struct radeon_fence *fence); 186 #if defined(CONFIG_DEBUG_FS) 187 extern void radeon_sa_bo_dump_debug_info(struct radeon_sa_manager *sa_manager, 188 struct seq_file *m); 189 #endif 190 191 192 #endif 193