diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h new file mode 100644 index 000000000000..27cedc60b507 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h @@ -0,0 +1,39 @@ +#ifndef __NVKM_MMU_PRIV_H__ +#define __NVKM_MMU_PRIV_H__ +#define nvkm_mmu(p) container_of((p), struct nvkm_mmu, subdev) +#include <subdev/mmu.h> + +void nvkm_mmu_ctor(const struct nvkm_mmu_func *, struct nvkm_device *, + int index, struct nvkm_mmu *); +int nvkm_mmu_new_(const struct nvkm_mmu_func *, struct nvkm_device *, + int index, struct nvkm_mmu **); + +struct nvkm_mmu_func { + void *(*dtor)(struct nvkm_mmu *); + int (*oneinit)(struct nvkm_mmu *); + void (*init)(struct nvkm_mmu *); + + u64 limit; + u8 dma_bits; + u32 pgt_bits; + u8 spg_shift; + u8 lpg_shift; + + int (*create)(struct nvkm_mmu *, u64 offset, u64 length, u64 mm_offset, + struct lock_class_key *, struct nvkm_vm **); + + void (*map_pgt)(struct nvkm_gpuobj *pgd, u32 pde, + struct nvkm_memory *pgt[2]); + void (*map)(struct nvkm_vma *, struct nvkm_memory *, + struct nvkm_mem *, u32 pte, u32 cnt, + u64 phys, u64 delta); + void (*map_sg)(struct nvkm_vma *, struct nvkm_memory *, + struct nvkm_mem *, u32 pte, u32 cnt, dma_addr_t *); + void (*unmap)(struct nvkm_vma *, struct nvkm_memory *pgt, + u32 pte, u32 cnt); + void (*flush)(struct nvkm_vm *); +}; + +int nvkm_vm_create(struct nvkm_mmu *, u64, u64, u64, u32, + struct lock_class_key *, struct nvkm_vm **); +#endif |