drivers/gpu/drm/nouveau/include/nvif/vmm.h

   1 #ifndef __NVIF_VMM_H__
   2 #define __NVIF_VMM_H__
   3 #include <nvif/object.h>
   4 struct nvif_mem;
   5 struct nvif_mmu;
   6
   7 enum nvif_vmm_get {
   8         ADDR,
   9         PTES,
  10         LAZY
  11 };
  12
  13 struct nvif_vma {
  14         u64 addr;
  15         u64 size;
  16 };
  17
  18 struct nvif_vmm {
  19         struct nvif_object object;
  20         u64 start;
  21         u64 limit;
  22
  23         struct {
  24                 u8 shift;
  25                 bool sparse:1;
  26                 bool vram:1;
  27                 bool host:1;
  28                 bool comp:1;
  29         } *page;
  30         int page_nr;
  31 };
  32
  33 int nvif_vmm_init(struct nvif_mmu *, s32 oclass, u64 addr, u64 size,
  34                   void *argv, u32 argc, struct nvif_vmm *);
  35 void nvif_vmm_fini(struct nvif_vmm *);
  36 int nvif_vmm_get(struct nvif_vmm *, enum nvif_vmm_get, bool sparse,
  37                  u8 page, u8 align, u64 size, struct nvif_vma *);
  38 void nvif_vmm_put(struct nvif_vmm *, struct nvif_vma *);
  39 int nvif_vmm_map(struct nvif_vmm *, u64 addr, u64 size, void *argv, u32 argc,
  40                  struct nvif_mem *, u64 offset);
  41 int nvif_vmm_unmap(struct nvif_vmm *, u64);
  42 #endif