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

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