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         int (*oneinit)(struct nvkm_mmu *);
  13         void (*init)(struct nvkm_mmu *);
  14
  15         u64 limit;
  16         u8  dma_bits;
  17         u32 pgt_bits;
  18         u8  spg_shift;
  19         u8  lpg_shift;
  20
  21         void (*map_pgt)(struct nvkm_vmm *, u32 pde,
  22                         struct nvkm_memory *pgt[2]);
  23         void (*map)(struct nvkm_vma *, struct nvkm_memory *,
  24                     struct nvkm_mem *, u32 pte, u32 cnt,
  25                     u64 phys, u64 delta);
  26         void (*map_sg)(struct nvkm_vma *, struct nvkm_memory *,
  27                        struct nvkm_mem *, u32 pte, u32 cnt, dma_addr_t *);
  28         void (*unmap)(struct nvkm_vma *, struct nvkm_memory *pgt,
  29                       u32 pte, u32 cnt);
  30         void (*flush)(struct nvkm_vm *);
  31
  32         struct {
  33                 struct nvkm_sclass user;
  34                 int (*ctor)(struct nvkm_mmu *, u64 addr, u64 size,
  35                             void *argv, u32 argc, struct lock_class_key *,
  36                             const char *name, struct nvkm_vmm **);
  37                 bool global;
  38                 u32 pd_offset;
  39         } vmm;
  40
  41         const u8 *(*kind)(struct nvkm_mmu *, int *count);
  42 };
  43
  44 extern const struct nvkm_mmu_func nv04_mmu;
  45
  46 const u8 *nv50_mmu_kind(struct nvkm_mmu *, int *count);
  47
  48 void gf100_vm_map_pgt(struct nvkm_vmm *, u32, struct nvkm_memory **);
  49 void gf100_vm_map(struct nvkm_vma *, struct nvkm_memory *, struct nvkm_mem *,
  50                   u32, u32, u64, u64);
  51 void gf100_vm_map_sg(struct nvkm_vma *, struct nvkm_memory *, struct nvkm_mem *,
  52                      u32, u32, dma_addr_t *);
  53 void gf100_vm_unmap(struct nvkm_vma *, struct nvkm_memory *, u32, u32);
  54 void gf100_vm_flush(struct nvkm_vm *);
  55
  56 struct nvkm_mmu_pt {
  57         union {
  58                 struct nvkm_mmu_ptc *ptc;
  59                 struct nvkm_mmu_ptp *ptp;
  60         };
  61         struct nvkm_memory *memory;
  62         bool sub;
  63         u16 base;
  64         u64 addr;
  65         struct list_head head;
  66 };
  67
  68 void nvkm_mmu_ptc_dump(struct nvkm_mmu *);
  69 struct nvkm_mmu_pt *
  70 nvkm_mmu_ptc_get(struct nvkm_mmu *, u32 size, u32 align, bool zero);
  71 void nvkm_mmu_ptc_put(struct nvkm_mmu *, bool force, struct nvkm_mmu_pt **);
  72 #endif