1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2024, Advanced Micro Devices, Inc. 4 */ 5 6 #ifndef _AMDXDNA_GEM_H_ 7 #define _AMDXDNA_GEM_H_ 8 9 struct amdxdna_mem { 10 u64 userptr; 11 void *kva; 12 u64 dev_addr; 13 size_t size; 14 struct page **pages; 15 u32 nr_pages; 16 struct mmu_interval_notifier notifier; 17 unsigned long *pfns; 18 bool map_invalid; 19 }; 20 21 struct amdxdna_gem_obj { 22 struct drm_gem_shmem_object base; 23 struct amdxdna_client *client; 24 u8 type; 25 bool pinned; 26 struct mutex lock; /* Protects: pinned */ 27 struct amdxdna_mem mem; 28 29 /* Below members is uninitialized when needed */ 30 struct drm_mm mm; /* For AMDXDNA_BO_DEV_HEAP */ 31 struct amdxdna_gem_obj *dev_heap; /* For AMDXDNA_BO_DEV */ 32 struct drm_mm_node mm_node; /* For AMDXDNA_BO_DEV */ 33 u32 assigned_hwctx; 34 }; 35 36 #define to_gobj(obj) (&(obj)->base.base) 37 38 static inline struct amdxdna_gem_obj *to_xdna_obj(struct drm_gem_object *gobj) 39 { 40 return container_of(gobj, struct amdxdna_gem_obj, base.base); 41 } 42 43 struct amdxdna_gem_obj *amdxdna_gem_get_obj(struct amdxdna_client *client, 44 u32 bo_hdl, u8 bo_type); 45 static inline void amdxdna_gem_put_obj(struct amdxdna_gem_obj *abo) 46 { 47 drm_gem_object_put(to_gobj(abo)); 48 } 49 50 struct drm_gem_object * 51 amdxdna_gem_create_object_cb(struct drm_device *dev, size_t size); 52 struct amdxdna_gem_obj * 53 amdxdna_drm_alloc_dev_bo(struct drm_device *dev, 54 struct amdxdna_drm_create_bo *args, 55 struct drm_file *filp, bool use_vmap); 56 57 int amdxdna_gem_pin_nolock(struct amdxdna_gem_obj *abo); 58 int amdxdna_gem_pin(struct amdxdna_gem_obj *abo); 59 void amdxdna_gem_unpin(struct amdxdna_gem_obj *abo); 60 61 int amdxdna_drm_create_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); 62 int amdxdna_drm_get_bo_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); 63 int amdxdna_drm_sync_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); 64 65 #endif /* _AMDXDNA_GEM_H_ */ 66