1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (C) 2020-2023 Intel Corporation 4 */ 5 #ifndef __IVPU_GEM_H__ 6 #define __IVPU_GEM_H__ 7 8 #include <drm/drm_gem.h> 9 #include <drm/drm_gem_shmem_helper.h> 10 #include <drm/drm_mm.h> 11 12 struct ivpu_file_priv; 13 14 struct ivpu_bo { 15 struct drm_gem_shmem_object base; 16 struct ivpu_mmu_context *ctx; 17 struct list_head bo_list_node; 18 struct drm_mm_node mm_node; 19 20 struct mutex lock; /* Protects: ctx, mmu_mapped, vpu_addr */ 21 u64 vpu_addr; 22 u32 flags; 23 u32 job_status; /* Valid only for command buffer */ 24 bool mmu_mapped; 25 }; 26 27 int ivpu_bo_pin(struct ivpu_bo *bo); 28 void ivpu_bo_unbind_all_bos_from_context(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx); 29 30 struct drm_gem_object *ivpu_gem_create_object(struct drm_device *dev, size_t size); 31 struct ivpu_bo *ivpu_bo_create(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx, 32 struct ivpu_addr_range *range, u64 size, u32 flags); 33 struct ivpu_bo *ivpu_bo_create_global(struct ivpu_device *vdev, u64 size, u32 flags); 34 void ivpu_bo_free(struct ivpu_bo *bo); 35 36 int ivpu_bo_create_ioctl(struct drm_device *dev, void *data, struct drm_file *file); 37 int ivpu_bo_info_ioctl(struct drm_device *dev, void *data, struct drm_file *file); 38 int ivpu_bo_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file); 39 40 void ivpu_bo_list(struct drm_device *dev, struct drm_printer *p); 41 void ivpu_bo_list_print(struct drm_device *dev); 42 43 static inline struct ivpu_bo *to_ivpu_bo(struct drm_gem_object *obj) 44 { 45 return container_of(obj, struct ivpu_bo, base.base); 46 } 47 48 static inline void *ivpu_bo_vaddr(struct ivpu_bo *bo) 49 { 50 return bo->base.vaddr; 51 } 52 53 static inline size_t ivpu_bo_size(struct ivpu_bo *bo) 54 { 55 return bo->base.base.size; 56 } 57 58 static inline u32 ivpu_bo_cache_mode(struct ivpu_bo *bo) 59 { 60 return bo->flags & DRM_IVPU_BO_CACHE_MASK; 61 } 62 63 static inline struct ivpu_device *ivpu_bo_to_vdev(struct ivpu_bo *bo) 64 { 65 return to_ivpu_device(bo->base.base.dev); 66 } 67 68 static inline bool ivpu_bo_is_snooped(struct ivpu_bo *bo) 69 { 70 if (ivpu_is_force_snoop_enabled(ivpu_bo_to_vdev(bo))) 71 return true; 72 73 return ivpu_bo_cache_mode(bo) == DRM_IVPU_BO_CACHED; 74 } 75 76 static inline void *ivpu_to_cpu_addr(struct ivpu_bo *bo, u32 vpu_addr) 77 { 78 if (vpu_addr < bo->vpu_addr) 79 return NULL; 80 81 if (vpu_addr >= (bo->vpu_addr + ivpu_bo_size(bo))) 82 return NULL; 83 84 return ivpu_bo_vaddr(bo) + (vpu_addr - bo->vpu_addr); 85 } 86 87 static inline u32 cpu_to_vpu_addr(struct ivpu_bo *bo, void *cpu_addr) 88 { 89 if (cpu_addr < ivpu_bo_vaddr(bo)) 90 return 0; 91 92 if (cpu_addr >= (ivpu_bo_vaddr(bo) + ivpu_bo_size(bo))) 93 return 0; 94 95 return bo->vpu_addr + (cpu_addr - ivpu_bo_vaddr(bo)); 96 } 97 98 #endif /* __IVPU_GEM_H__ */ 99