1 #ifndef __NVKM_GPUOBJ_H__
2 #define __NVKM_GPUOBJ_H__
3 #include <core/object.h>
4 #include <core/memory.h>
5 #include <core/mm.h>
6 struct nvkm_vma;
7 struct nvkm_vm;
8 
9 #define NVOBJ_FLAG_ZERO_ALLOC 0x00000001
10 #define NVOBJ_FLAG_HEAP       0x00000004
11 
12 struct nvkm_gpuobj {
13 	struct nvkm_object object;
14 	const struct nvkm_gpuobj_func *func;
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 
26 struct 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 };
32 
33 int nvkm_gpuobj_new(struct nvkm_device *, u32 size, int align, bool zero,
34 		    struct nvkm_gpuobj *parent, struct nvkm_gpuobj **);
35 void nvkm_gpuobj_del(struct nvkm_gpuobj **);
36 int nvkm_gpuobj_wrap(struct nvkm_memory *, struct nvkm_gpuobj **);
37 int nvkm_gpuobj_map(struct nvkm_gpuobj *, struct nvkm_vm *, u32 access,
38 		    struct nvkm_vma *);
39 void nvkm_gpuobj_unmap(struct nvkm_vma *);
40 #endif
41