linux/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h
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   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
   7void nvkm_mmu_ctor(const struct nvkm_mmu_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
   8                   struct nvkm_mmu *);
   9int nvkm_mmu_new_(const struct nvkm_mmu_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
  10                  struct nvkm_mmu **);
  11
  12struct 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
  42extern const struct nvkm_mmu_func nv04_mmu;
  43
  44const u8 *nv50_mmu_kind(struct nvkm_mmu *, int *count, u8 *invalid);
  45
  46const u8 *gf100_mmu_kind(struct nvkm_mmu *, int *count, u8 *invalid);
  47
  48const u8 *gm200_mmu_kind(struct nvkm_mmu *, int *, u8 *);
  49
  50struct 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
  62void nvkm_mmu_ptc_dump(struct nvkm_mmu *);
  63struct nvkm_mmu_pt *
  64nvkm_mmu_ptc_get(struct nvkm_mmu *, u32 size, u32 align, bool zero);
  65void nvkm_mmu_ptc_put(struct nvkm_mmu *, bool force, struct nvkm_mmu_pt **);
  66#endif
  67