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 (*init)(struct nvkm_mmu *);
  13
  14         u8  dma_bits;
  15
  16         struct {
  17                 struct nvkm_sclass user;
  18         } mmu;
  19
  20         struct {
  21                 struct nvkm_sclass user;
  22                 int (*vram)(struct nvkm_mmu *, int type, u8 page, u64 size,
  23                             void *argv, u32 argc, struct nvkm_memory **);
  24                 int (*umap)(struct nvkm_mmu *, struct nvkm_memory *, void *argv,
  25                             u32 argc, u64 *addr, u64 *size, struct nvkm_vma **);
  26         } mem;
  27
  28         struct {
  29                 struct nvkm_sclass user;
  30                 int (*ctor)(struct nvkm_mmu *, u64 addr, u64 size,
  31                             void *argv, u32 argc, struct lock_class_key *,
  32                             const char *name, struct nvkm_vmm **);
  33                 bool global;
  34                 u32 pd_offset;
  35         } vmm;
  36
  37         const u8 *(*kind)(struct nvkm_mmu *, int *count);
  38         bool kind_sys;
  39 };
  40
  41 extern const struct nvkm_mmu_func nv04_mmu;
  42
  43 const u8 *nv50_mmu_kind(struct nvkm_mmu *, int *count);
  44
  45 const u8 *gf100_mmu_kind(struct nvkm_mmu *, int *count);
  46
  47 const u8 *gm200_mmu_kind(struct nvkm_mmu *, int *);
  48
  49 struct nvkm_mmu_pt {
  50         union {
  51                 struct nvkm_mmu_ptc *ptc;
  52                 struct nvkm_mmu_ptp *ptp;
  53         };
  54         struct nvkm_memory *memory;
  55         bool sub;
  56         u16 base;
  57         u64 addr;
  58         struct list_head head;
  59 };
  60
  61 void nvkm_mmu_ptc_dump(struct nvkm_mmu *);
  62 struct nvkm_mmu_pt *
  63 nvkm_mmu_ptc_get(struct nvkm_mmu *, u32 size, u32 align, bool zero);
  64 void nvkm_mmu_ptc_put(struct nvkm_mmu *, bool force, struct nvkm_mmu_pt **);
  65 #endif