diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/core/gpuobj.h')
-rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/core/gpuobj.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/gpuobj.h b/drivers/gpu/drm/nouveau/include/nvkm/core/gpuobj.h new file mode 100644 index 0000000000..0f515ec28f --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/gpuobj.h @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: MIT */ +#ifndef __NVKM_GPUOBJ_H__ +#define __NVKM_GPUOBJ_H__ +#include <core/memory.h> +#include <core/mm.h> + +#define NVOBJ_FLAG_ZERO_ALLOC 0x00000001 +#define NVOBJ_FLAG_HEAP 0x00000004 + +struct nvkm_gpuobj { + union { + const struct nvkm_gpuobj_func *func; + const struct nvkm_gpuobj_func *ptrs; + }; + struct nvkm_gpuobj *parent; + struct nvkm_memory *memory; + struct nvkm_mm_node *node; + + u64 addr; + u32 size; + struct nvkm_mm heap; + + void __iomem *map; +}; + +struct nvkm_gpuobj_func { + void *(*acquire)(struct nvkm_gpuobj *); + void (*release)(struct nvkm_gpuobj *); + u32 (*rd32)(struct nvkm_gpuobj *, u32 offset); + void (*wr32)(struct nvkm_gpuobj *, u32 offset, u32 data); + int (*map)(struct nvkm_gpuobj *, u64 offset, struct nvkm_vmm *, + struct nvkm_vma *, void *argv, u32 argc); +}; + +int nvkm_gpuobj_new(struct nvkm_device *, u32 size, int align, bool zero, + struct nvkm_gpuobj *parent, struct nvkm_gpuobj **); +void nvkm_gpuobj_del(struct nvkm_gpuobj **); +int nvkm_gpuobj_wrap(struct nvkm_memory *, struct nvkm_gpuobj **); +void nvkm_gpuobj_memcpy_to(struct nvkm_gpuobj *dst, u32 dstoffset, void *src, + u32 length); +void nvkm_gpuobj_memcpy_from(void *dst, struct nvkm_gpuobj *src, u32 srcoffset, + u32 length); +#endif |