/* * Copyright 2008 Advanced Micro Devices, Inc. * Copyright 2008 Red Hat Inc. * Copyright 2009 Jerome Glisse. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: Dave Airlie * Alex Deucher * Jerome Glisse */ #ifndef __AMDGPU_OBJECT_H__ #define __AMDGPU_OBJECT_H__ #include #include "amdgpu.h" #ifdef CONFIG_MMU_NOTIFIER #include #endif #define AMDGPU_BO_INVALID_OFFSET LONG_MAX #define AMDGPU_BO_MAX_PLACEMENTS 3 struct amdgpu_bo_param { unsigned long size; int byte_align; u32 domain; u32 preferred_domain; u64 flags; enum ttm_bo_type type; bool no_wait_gpu; struct dma_resv *resv; }; /* bo virtual addresses in a vm */ struct amdgpu_bo_va_mapping { struct amdgpu_bo_va *bo_va; struct list_head list; struct rb_node rb; uint64_t start; uint64_t last; uint64_t __subtree_last; uint64_t offset; uint64_t flags; }; /* User space allocated BO in a VM */ struct amdgpu_bo_va { struct amdgpu_vm_bo_base base; /* protected by bo being reserved */ unsigned ref_count; /* all other members protected by the VM PD being reserved */ struct dma_fence *last_pt_update; /* mappings for this bo_va */ struct list_head invalids; struct list_head valids; /* If the mappings are cleared or filled */ bool cleared; bool is_xgmi; }; struct amdgpu_bo { /* Protected by tbo.reserved */ u32 preferred_domains; u32 allowed_domains; struct ttm_place placements[AMDGPU_BO_MAX_PLACEMENTS]; struct ttm_placement placement; struct ttm_buffer_object tbo; struct ttm_bo_kmap_obj kmap; u64 flags; unsigned pin_count; u64 tiling_flags; u64 metadata_flags; void *metadata; u32 metadata_size; unsigned prime_shared_count; /* per VM structure for page tables and with virtual addresses */ struct amdgpu_vm_bo_base *vm_bo; /* Constant after initialization */ struct amdgpu_bo *parent; struct amdgpu_bo *shadow; struct ttm_bo_kmap_obj dma_buf_vmap; struct amdgpu_mn *mn; #ifdef CONFIG_MMU_NOTIFIER struct mmu_interval_notifier notifier; #endif struct list_head shadow_list; struct kgd_mem *kfd_bo; }; static inline struct amdgpu_bo *ttm_to_amdgpu_bo(struct ttm_buffer_object *tbo) { return container_of(tbo, struct amdgpu_bo, tbo); } /** * amdgpu_mem_type_to_domain - return domain corresponding to mem_type * @mem_type: ttm memory type * * Returns corresponding domain of the ttm mem_type */ static inline unsigned amdgpu_mem_type_to_domain(u32 mem_type) { switch (mem_type) { case TTM_PL_VRAM: return AMDGPU_GEM_DOMAIN_VRAM; case TTM_PL_TT: return AMDGPU_GEM_DOMAIN_GTT; case TTM_PL_SYSTEM: return AMDGPU_GEM_DOMAIN_CPU; case AMDGPU_PL_GDS: return AMDGPU_GEM_DOMAIN_GDS; case AMDGPU_PL_GWS: return AMDGPU_GEM_DOMAIN_GWS; case AMDGPU_PL_OA: return AMDGPU_GEM_DOMAIN_OA; default: break; } return 0; } /** * amdgpu_bo_reserve - reserve bo * @bo: bo structure * @no_intr: don't return -ERESTARTSYS on pending signal * * Returns: * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by * a signal. Release all buffer reservations and return to user-space. */ static inline int amdgpu_bo_reserve(struct amdgpu_bo *bo, bool no_intr) { struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); int r; r = __ttm_bo_reserve(&bo->tbo, !no_intr, false, NULL); if (unlikely(r != 0)) { if (r != -ERESTARTSYS) dev_err(adev->dev, "%p reserve failed\n", bo); return r; } return 0; } static inline void amdgpu_bo_unreserve(struct amdgpu_bo *bo) { ttm_bo_unreserve(&bo->tbo); } static inline unsigned long amdgpu_bo_size(struct amdgpu_bo *bo) { return bo->tbo.num_pages << PAGE_SHIFT; } static inline unsigned amdgpu_bo_ngpu_pages(struct amdgpu_bo *bo) { return (bo->tbo.num_pages << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE; } static inline unsigned amdgpu_bo_gpu_page_alignment(struct amdgpu_bo *bo) { return (bo->tbo.mem.page_alignment << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE; } /** * amdgpu_bo_mmap_offset - return mmap offset of bo * @bo: amdgpu object for which we query the offset * * Returns mmap offset of the object. */ static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo) { return drm_vma_node_offset_addr(&bo->tbo.base.vma_node); } /** * amdgpu_bo_in_cpu_visible_vram - check if BO is (partly) in visible VRAM */ static inline bool amdgpu_bo_in_cpu_visible_vram(struct amdgpu_bo *bo) { struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); unsigned fpfn = adev->gmc.visible_vram_size >> PAGE_SHIFT; struct drm_mm_node *node = bo->tbo.mem.mm_node; unsigned long pages_left; if (bo->tbo.mem.mem_type != TTM_PL_VRAM) return false; for (pages_left = bo->tbo.mem.num_pages; pages_left; pages_left -= node->size, node++) if (node->start < fpfn) return true; return false; } /** * amdgpu_bo_explicit_sync - return whether the bo is explicitly synced */ static inline bool amdgpu_bo_explicit_sync(struct amdgpu_bo *bo) { return bo->flags & AMDGPU_GEM_CREATE_EXPLICIT_SYNC; } /** * amdgpu_bo_encrypted - test if the BO is encrypted * @bo: pointer to a buffer object * * Return true if the buffer object is encrypted, false otherwise. */ static inline bool amdgpu_bo_encrypted(struct amdgpu_bo *bo) { return bo->flags & AMDGPU_GEM_CREATE_ENCRYPTED; } bool amdgpu_bo_is_amdgpu_bo(struct ttm_buffer_object *bo); void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain); int amdgpu_bo_create(struct amdgpu_device *adev, struct amdgpu_bo_param *bp, struct amdgpu_bo **bo_ptr); int amdgpu_bo_create_reserved(struct amdgpu_device *adev, unsigned long size, int align, u32 domain, struct amdgpu_bo **bo_ptr, u64 *gpu_addr, void **cpu_addr); int amdgpu_bo_create_kernel(struct amdgpu_device *adev, unsigned long size, int align, u32 domain, struct amdgpu_bo **bo_ptr, u64 *gpu_addr, void **cpu_addr); int amdgpu_bo_create_kernel_at(struct amdgpu_device *adev, uint64_t offset, uint64_t size, uint32_t domain, struct amdgpu_bo **bo_ptr, void **cpu_addr); void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr, void **cpu_addr); int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr); void *amdgpu_bo_kptr(struct amdgpu_bo *bo); void amdgpu_bo_kunmap(struct amdgpu_bo *bo); struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo); void amdgpu_bo_unref(struct amdgpu_bo **bo); int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain); int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain, u64 min_offset, u64 max_offset); int amdgpu_bo_unpin(struct amdgpu_bo *bo); int amdgpu_bo_evict_vram(struct amdgpu_device *adev); int amdgpu_bo_init(struct amdgpu_device *adev); int amdgpu_bo_late_init(struct amdgpu_device *adev); void amdgpu_bo_fini(struct amdgpu_device *adev); int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo, struct vm_area_struct *vma); int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags); void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags); int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata, uint32_t metadata_size, uint64_t flags); int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer, size_t buffer_size, uint32_t *metadata_size, uint64_t *flags); void amdgpu_bo_move_notify(struct ttm_buffer_object *bo, bool evict, struct ttm_mem_reg *new_mem); void amdgpu_bo_release_notify(struct ttm_buffer_object *bo); int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo); void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence, bool shared); int amdgpu_bo_sync_wait_resv(struct amdgpu_device *adev, struct dma_resv *resv, enum amdgpu_sync_mode sync_mode, void *owner, bool intr); int amdgpu_bo_sync_wait(struct amdgpu_bo *bo, void *owner, bool intr); u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo); u64 amdgpu_bo_gpu_offset_no_check(struct amdgpu_bo *bo); int amdgpu_bo_validate(struct amdgpu_bo *bo); int amdgpu_bo_restore_shadow(struct amdgpu_bo *shadow, struct dma_fence **fence); uint32_t amdgpu_bo_get_preferred_pin_domain(struct amdgpu_device *adev, uint32_t domain); /* * sub allocation */ static inline uint64_t amdgpu_sa_bo_gpu_addr(struct amdgpu_sa_bo *sa_bo) { return sa_bo->manager->gpu_addr + sa_bo->soffset; } static inline void * amdgpu_sa_bo_cpu_addr(struct amdgpu_sa_bo *sa_bo) { return sa_bo->manager->cpu_ptr + sa_bo->soffset; } int amdgpu_sa_bo_manager_init(struct amdgpu_device *adev, struct amdgpu_sa_manager *sa_manager, unsigned size, u32 align, u32 domain); void amdgpu_sa_bo_manager_fini(struct amdgpu_device *adev, struct amdgpu_sa_manager *sa_manager); int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev, struct amdgpu_sa_manager *sa_manager); int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager, struct amdgpu_sa_bo **sa_bo, unsigned size, unsigned align); void amdgpu_sa_bo_free(struct amdgpu_device *adev, struct amdgpu_sa_bo **sa_bo, struct dma_fence *fence); #if defined(CONFIG_DEBUG_FS) void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager, struct seq_file *m); #endif int amdgpu_debugfs_sa_init(struct amdgpu_device *adev); bool amdgpu_bo_support_uswc(u64 bo_flags); #endif