LXR linux/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h

   1#ifndef __NVKM_BAR_H__
   2#define __NVKM_BAR_H__
   3#include <core/subdev.h>
   4struct nvkm_vma;
   5
   6struct nvkm_bar {
   7        const struct nvkm_bar_func *func;
   8        struct nvkm_subdev subdev;
   9
  10        spinlock_t lock;
  11
  12        /* whether the BAR supports to be ioremapped WC or should be uncached */
  13        bool iomap_uncached;
  14};
  15
  16void nvkm_bar_flush(struct nvkm_bar *);
  17struct nvkm_vm *nvkm_bar_kmap(struct nvkm_bar *);
  18int nvkm_bar_umap(struct nvkm_bar *, u64 size, int type, struct nvkm_vma *);
  19
  20int nv50_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  21int g84_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  22int gf100_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  23int gk20a_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  24#endif
  25