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