1/* SPDX-License-Identifier: MIT */
 2#ifndef __NVKM_GPUOBJ_H__
 3#define __NVKM_GPUOBJ_H__
 4#include <core/memory.h>
 5#include <core/mm.h>
 6
 7#define NVOBJ_FLAG_ZERO_ALLOC 0x00000001
 8#define NVOBJ_FLAG_HEAP       0x00000004
 9
10struct nvkm_gpuobj {
11	union {
12		const struct nvkm_gpuobj_func *func;
13		const struct nvkm_gpuobj_func *ptrs;
14	};
15	struct nvkm_gpuobj *parent;
16	struct nvkm_memory *memory;
17	struct nvkm_mm_node *node;
18
19	u64 addr;
20	u32 size;
21	struct nvkm_mm heap;
22
23	void __iomem *map;
24};
25
26struct nvkm_gpuobj_func {
27	void *(*acquire)(struct nvkm_gpuobj *);
28	void (*release)(struct nvkm_gpuobj *);
29	u32 (*rd32)(struct nvkm_gpuobj *, u32 offset);
30	void (*wr32)(struct nvkm_gpuobj *, u32 offset, u32 data);
31	int (*map)(struct nvkm_gpuobj *, u64 offset, struct nvkm_vmm *,
32		   struct nvkm_vma *, void *argv, u32 argc);
33};
34
35int nvkm_gpuobj_new(struct nvkm_device *, u32 size, int align, bool zero,
36		    struct nvkm_gpuobj *parent, struct nvkm_gpuobj **);
37void nvkm_gpuobj_del(struct nvkm_gpuobj **);
38int nvkm_gpuobj_wrap(struct nvkm_memory *, struct nvkm_gpuobj **);
39void nvkm_gpuobj_memcpy_to(struct nvkm_gpuobj *dst, u32 dstoffset, void *src,
40			   u32 length);
41void nvkm_gpuobj_memcpy_from(void *dst, struct nvkm_gpuobj *src, u32 srcoffset,
42			     u32 length);
43#endif