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 10 struct 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 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 int (*map)(struct nvkm_gpuobj *, u64 offset, struct nvkm_vmm *, 32 struct nvkm_vma *, void *argv, u32 argc); 33 }; 34 35 int nvkm_gpuobj_new(struct nvkm_device *, u32 size, int align, bool zero, 36 struct nvkm_gpuobj *parent, struct nvkm_gpuobj **); 37 void nvkm_gpuobj_del(struct nvkm_gpuobj **); 38 int nvkm_gpuobj_wrap(struct nvkm_memory *, struct nvkm_gpuobj **); 39 void nvkm_gpuobj_memcpy_to(struct nvkm_gpuobj *dst, u32 dstoffset, void *src, 40 u32 length); 41 void nvkm_gpuobj_memcpy_from(void *dst, struct nvkm_gpuobj *src, u32 srcoffset, 42 u32 length); 43 #endif 44