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/* 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_ */
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