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         struct {
  37                 struct nvkm_sclass base;
  38                 int (*ctor)(struct nvkm_mmu *, u64 addr, u64 size,
  39                             void *argv, u32 argc, struct lock_class_key *,
  40                             const char *name, struct nvkm_vmm **);
  41                 bool global;
  42         } vmm;
  43 };
  44
  45 int nvkm_vm_create(struct nvkm_mmu *, u64, u64, u64, u32,
  46                    struct lock_class_key *, struct nvkm_vm **);
  47
  48 int nv50_vm_create(struct nvkm_mmu *, u64, u64, u64, struct lock_class_key *,
  49                    struct nvkm_vm **);
  50 void nv50_vm_map_pgt(struct nvkm_gpuobj *, u32, struct nvkm_memory **);
  51 void nv50_vm_map(struct nvkm_vma *, struct nvkm_memory *, struct nvkm_mem *,
  52                  u32, u32, u64, u64);
  53 void nv50_vm_map_sg(struct nvkm_vma *, struct nvkm_memory *, struct nvkm_mem *,
  54                     u32, u32, dma_addr_t *);
  55 void nv50_vm_unmap(struct nvkm_vma *, struct nvkm_memory *, u32, u32);
  56 void nv50_vm_flush(struct nvkm_vm *);
  57
  58 int gf100_vm_create(struct nvkm_mmu *, u64, u64, u64, struct lock_class_key *,
  59                     struct nvkm_vm **);
  60 void gf100_vm_map_pgt(struct nvkm_gpuobj *, u32, struct nvkm_memory **);
  61 void gf100_vm_map(struct nvkm_vma *, struct nvkm_memory *, struct nvkm_mem *,
  62                   u32, u32, u64, u64);
  63 void gf100_vm_map_sg(struct nvkm_vma *, struct nvkm_memory *, struct nvkm_mem *,
  64                      u32, u32, dma_addr_t *);
  65 void gf100_vm_unmap(struct nvkm_vma *, struct nvkm_memory *, u32, u32);
  66 void gf100_vm_flush(struct nvkm_vm *);
  67
  68 struct nvkm_mmu_pt {
  69         union {
  70                 struct nvkm_mmu_ptc *ptc;
  71                 struct nvkm_mmu_ptp *ptp;
  72         };
  73         struct nvkm_memory *memory;
  74         bool sub;
  75         u16 base;
  76         u64 addr;
  77         struct list_head head;
  78 };
  79
  80 void nvkm_mmu_ptc_dump(struct nvkm_mmu *);
  81 struct nvkm_mmu_pt *
  82 nvkm_mmu_ptc_get(struct nvkm_mmu *, u32 size, u32 align, bool zero);
  83 void nvkm_mmu_ptc_put(struct nvkm_mmu *, bool force, struct nvkm_mmu_pt **);
  84 #endif