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

   1 /* SPDX-License-Identifier: MIT */
   2 #ifndef __NVKM_MMU_PRIV_H__
   3 #define __NVKM_MMU_PRIV_H__
   4 #define nvkm_mmu(p) container_of((p), struct nvkm_mmu, subdev)
   5 #include <subdev/mmu.h>
   6
   7 void nvkm_mmu_ctor(const struct nvkm_mmu_func *, struct nvkm_device *,
   8                    int index, struct nvkm_mmu *);
   9 int nvkm_mmu_new_(const struct nvkm_mmu_func *, struct nvkm_device *,
  10                   int index, struct nvkm_mmu **);
  11
  12 struct nvkm_mmu_func {
  13         void (*init)(struct nvkm_mmu *);
  14
  15         u8  dma_bits;
  16
  17         struct {
  18                 struct nvkm_sclass user;
  19         } mmu;
  20
  21         struct {
  22                 struct nvkm_sclass user;
  23                 int (*vram)(struct nvkm_mmu *, int type, u8 page, u64 size,
  24                             void *argv, u32 argc, struct nvkm_memory **);
  25                 int (*umap)(struct nvkm_mmu *, struct nvkm_memory *, void *argv,
  26                             u32 argc, u64 *addr, u64 *size, struct nvkm_vma **);
  27         } mem;
  28
  29         struct {
  30                 struct nvkm_sclass user;
  31                 int (*ctor)(struct nvkm_mmu *, bool managed, u64 addr, u64 size,
  32                             void *argv, u32 argc, struct lock_class_key *,
  33                             const char *name, struct nvkm_vmm **);
  34                 bool global;
  35                 u32 pd_offset;
  36         } vmm;
  37
  38         const u8 *(*kind)(struct nvkm_mmu *, int *count, u8 *invalid);
  39         bool kind_sys;
  40 };
  41
  42 extern const struct nvkm_mmu_func nv04_mmu;
  43
  44 const u8 *nv50_mmu_kind(struct nvkm_mmu *, int *count, u8 *invalid);
  45
  46 const u8 *gf100_mmu_kind(struct nvkm_mmu *, int *count, u8 *invalid);
  47
  48 const u8 *gm200_mmu_kind(struct nvkm_mmu *, int *, u8 *);
  49
  50 struct nvkm_mmu_pt {
  51         union {
  52                 struct nvkm_mmu_ptc *ptc;
  53                 struct nvkm_mmu_ptp *ptp;
  54         };
  55         struct nvkm_memory *memory;
  56         bool sub;
  57         u16 base;
  58         u64 addr;
  59         struct list_head head;
  60 };
  61
  62 void nvkm_mmu_ptc_dump(struct nvkm_mmu *);
  63 struct nvkm_mmu_pt *
  64 nvkm_mmu_ptc_get(struct nvkm_mmu *, u32 size, u32 align, bool zero);
  65 void nvkm_mmu_ptc_put(struct nvkm_mmu *, bool force, struct nvkm_mmu_pt **);
  66 #endif