1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __NVKM_GPUOBJ_H__ 3 #define __NVKM_GPUOBJ_H__ 4 #include <core/object.h> 5 #include <core/memory.h> 6 #include <core/mm.h> 7 struct nvkm_vma; 8 struct nvkm_vm; 9 10 #define NVOBJ_FLAG_ZERO_ALLOC 0x00000001 11 #define NVOBJ_FLAG_HEAP 0x00000004 12 13 struct nvkm_gpuobj { 14 struct nvkm_object object; 15 const struct nvkm_gpuobj_func *func; 16 struct nvkm_gpuobj *parent; 17 struct nvkm_memory *memory; 18 struct nvkm_mm_node *node; 19 20 u64 addr; 21 u32 size; 22 struct nvkm_mm heap; 23 24 void __iomem *map; 25 }; 26 27 struct nvkm_gpuobj_func { 28 void *(*acquire)(struct nvkm_gpuobj *); 29 void (*release)(struct nvkm_gpuobj *); 30 u32 (*rd32)(struct nvkm_gpuobj *, u32 offset); 31 void (*wr32)(struct nvkm_gpuobj *, u32 offset, u32 data); 32 }; 33 34 int nvkm_gpuobj_new(struct nvkm_device *, u32 size, int align, bool zero, 35 struct nvkm_gpuobj *parent, struct nvkm_gpuobj **); 36 void nvkm_gpuobj_del(struct nvkm_gpuobj **); 37 int nvkm_gpuobj_wrap(struct nvkm_memory *, struct nvkm_gpuobj **); 38 int nvkm_gpuobj_map(struct nvkm_gpuobj *, struct nvkm_vm *, u32 access, 39 struct nvkm_vma *); 40 void nvkm_gpuobj_unmap(struct nvkm_vma *); 41 void nvkm_gpuobj_memcpy_to(struct nvkm_gpuobj *dst, u32 dstoffset, void *src, 42 u32 length); 43 void nvkm_gpuobj_memcpy_from(void *dst, struct nvkm_gpuobj *src, u32 srcoffset, 44 u32 length); 45 #endif 46