drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __NVKM_MMU_PRIV_H__
   3 #define __NVKM_MMU_PRIV_H__
   4 #define nvkm_mmu(p) container_of((p), struct nvkm_mmu, subdev)
   5 #include <subdev/mmu.h>
   6
   7 void nvkm_mmu_ctor(const struct nvkm_mmu_func *, struct nvkm_device *,
   8                    int index, struct nvkm_mmu *);
   9 int nvkm_mmu_new_(const struct nvkm_mmu_func *, struct nvkm_device *,
  10                   int index, struct nvkm_mmu **);
  11
  12 struct nvkm_mmu_func {
  13         void *(*dtor)(struct nvkm_mmu *);
  14         int (*oneinit)(struct nvkm_mmu *);
  15         void (*init)(struct nvkm_mmu *);
  16
  17         u64 limit;
  18         u8  dma_bits;
  19         u32 pgt_bits;
  20         u8  spg_shift;
  21         u8  lpg_shift;
  22
  23         int  (*create)(struct nvkm_mmu *, u64 offset, u64 length, u64 mm_offset,
  24                        struct lock_class_key *, struct nvkm_vm **);
  25
  26         void (*map_pgt)(struct nvkm_gpuobj *pgd, u32 pde,
  27                         struct nvkm_memory *pgt[2]);
  28         void (*map)(struct nvkm_vma *, struct nvkm_memory *,
  29                     struct nvkm_mem *, u32 pte, u32 cnt,
  30                     u64 phys, u64 delta);
  31         void (*map_sg)(struct nvkm_vma *, struct nvkm_memory *,
  32                        struct nvkm_mem *, u32 pte, u32 cnt, dma_addr_t *);
  33         void (*unmap)(struct nvkm_vma *, struct nvkm_memory *pgt,
  34                       u32 pte, u32 cnt);
  35         void (*flush)(struct nvkm_vm *);
  36 };
  37
  38 int nvkm_vm_create(struct nvkm_mmu *, u64, u64, u64, u32,
  39                    struct lock_class_key *, struct nvkm_vm **);
  40 #endif