nvkm/core/gpuobj.h

0001 /* SPDX-License-Identifier: MIT */
0002 #ifndef __NVKM_GPUOBJ_H__
0003 #define __NVKM_GPUOBJ_H__
0004 #include <core/memory.h>
0005 #include <core/mm.h>
0006
0007 #define NVOBJ_FLAG_ZERO_ALLOC 0x00000001
0008 #define NVOBJ_FLAG_HEAP       0x00000004
0009
0010 struct nvkm_gpuobj {
0011     union {
0012         const struct nvkm_gpuobj_func *func;
0013         const struct nvkm_gpuobj_func *ptrs;
0014     };
0015     struct nvkm_gpuobj *parent;
0016     struct nvkm_memory *memory;
0017     struct nvkm_mm_node *node;
0018
0019     u64 addr;
0020     u32 size;
0021     struct nvkm_mm heap;
0022
0023     void __iomem *map;
0024 };
0025
0026 struct nvkm_gpuobj_func {
0027     void *(*acquire)(struct nvkm_gpuobj *);
0028     void (*release)(struct nvkm_gpuobj *);
0029     u32 (*rd32)(struct nvkm_gpuobj *, u32 offset);
0030     void (*wr32)(struct nvkm_gpuobj *, u32 offset, u32 data);
0031     int (*map)(struct nvkm_gpuobj *, u64 offset, struct nvkm_vmm *,
0032            struct nvkm_vma *, void *argv, u32 argc);
0033 };
0034
0035 int nvkm_gpuobj_new(struct nvkm_device *, u32 size, int align, bool zero,
0036             struct nvkm_gpuobj *parent, struct nvkm_gpuobj **);
0037 void nvkm_gpuobj_del(struct nvkm_gpuobj **);
0038 int nvkm_gpuobj_wrap(struct nvkm_memory *, struct nvkm_gpuobj **);
0039 void nvkm_gpuobj_memcpy_to(struct nvkm_gpuobj *dst, u32 dstoffset, void *src,
0040                u32 length);
0041 void nvkm_gpuobj_memcpy_from(void *dst, struct nvkm_gpuobj *src, u32 srcoffset,
0042                  u32 length);
0043 #endif