diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 93 |
1 files changed, 85 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index 382485115b064..428aae048f4b1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -33,6 +33,72 @@ #define AMDGPU_BO_INVALID_OFFSET LONG_MAX +/* 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; +}; + +struct amdgpu_bo { + /* Protected by tbo.reserved */ + u32 preferred_domains; + u32 allowed_domains; + struct ttm_place placements[AMDGPU_GEM_DOMAIN_MAX + 1]; + 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; + /* list of all virtual address to which this bo is associated to */ + struct list_head va; + /* Constant after initialization */ + struct drm_gem_object gem_base; + struct amdgpu_bo *parent; + struct amdgpu_bo *shadow; + + struct ttm_bo_kmap_obj dma_buf_vmap; + struct amdgpu_mn *mn; + + union { + struct list_head mn_list; + struct list_head shadow_list; + }; +}; + +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 @@ -120,7 +186,19 @@ static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo) */ static inline bool amdgpu_bo_gpu_accessible(struct amdgpu_bo *bo) { - return bo->tbo.mem.mem_type != TTM_PL_SYSTEM; + switch (bo->tbo.mem.mem_type) { + case TTM_PL_TT: return amdgpu_ttm_is_bound(bo->tbo.ttm); + case TTM_PL_VRAM: return true; + default: 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; } int amdgpu_bo_create(struct amdgpu_device *adev, @@ -128,14 +206,12 @@ int amdgpu_bo_create(struct amdgpu_device *adev, bool kernel, u32 domain, u64 flags, struct sg_table *sg, struct reservation_object *resv, + uint64_t init_value, struct amdgpu_bo **bo_ptr); -int amdgpu_bo_create_restricted(struct amdgpu_device *adev, - unsigned long size, int byte_align, - bool kernel, u32 domain, u64 flags, - struct sg_table *sg, - struct ttm_placement *placement, - struct reservation_object *resv, - 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, @@ -143,6 +219,7 @@ int amdgpu_bo_create_kernel(struct amdgpu_device *adev, 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); |