diff options
Diffstat (limited to 'drivers/accel/amdxdna/amdxdna_gem.h')
| -rw-r--r-- | drivers/accel/amdxdna/amdxdna_gem.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/accel/amdxdna/amdxdna_gem.h b/drivers/accel/amdxdna/amdxdna_gem.h new file mode 100644 index 000000000000..8ccc0375dd9d --- /dev/null +++ b/drivers/accel/amdxdna/amdxdna_gem.h @@ -0,0 +1,65 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2024, Advanced Micro Devices, Inc. + */ + +#ifndef _AMDXDNA_GEM_H_ +#define _AMDXDNA_GEM_H_ + +struct amdxdna_mem { + u64 userptr; + void *kva; + u64 dev_addr; + size_t size; + struct page **pages; + u32 nr_pages; + struct mmu_interval_notifier notifier; + unsigned long *pfns; + bool map_invalid; +}; + +struct amdxdna_gem_obj { + struct drm_gem_shmem_object base; + struct amdxdna_client *client; + u8 type; + bool pinned; + struct mutex lock; /* Protects: pinned */ + struct amdxdna_mem mem; + + /* Below members is uninitialized when needed */ + struct drm_mm mm; /* For AMDXDNA_BO_DEV_HEAP */ + struct amdxdna_gem_obj *dev_heap; /* For AMDXDNA_BO_DEV */ + struct drm_mm_node mm_node; /* For AMDXDNA_BO_DEV */ + u32 assigned_hwctx; +}; + +#define to_gobj(obj) (&(obj)->base.base) + +static inline struct amdxdna_gem_obj *to_xdna_obj(struct drm_gem_object *gobj) +{ + return container_of(gobj, struct amdxdna_gem_obj, base.base); +} + +struct amdxdna_gem_obj *amdxdna_gem_get_obj(struct amdxdna_client *client, + u32 bo_hdl, u8 bo_type); +static inline void amdxdna_gem_put_obj(struct amdxdna_gem_obj *abo) +{ + drm_gem_object_put(to_gobj(abo)); +} + +struct drm_gem_object * +amdxdna_gem_create_object_cb(struct drm_device *dev, size_t size); +struct amdxdna_gem_obj * +amdxdna_drm_alloc_dev_bo(struct drm_device *dev, + struct amdxdna_drm_create_bo *args, + struct drm_file *filp, bool use_vmap); + +int amdxdna_gem_pin_nolock(struct amdxdna_gem_obj *abo); +int amdxdna_gem_pin(struct amdxdna_gem_obj *abo); +void amdxdna_gem_unpin(struct amdxdna_gem_obj *abo); + +int amdxdna_drm_create_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); +int amdxdna_drm_get_bo_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); +int amdxdna_drm_sync_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); + +#endif /* _AMDXDNA_GEM_H_ */ |