5b0c189fcb
This is purely preparation for upcoming commits, there should be no code changes here. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
34 lines
878 B
C
34 lines
878 B
C
#ifndef __NVKM_BAR_H__
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#define __NVKM_BAR_H__
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#include <core/subdev.h>
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struct nvkm_mem;
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struct nvkm_vma;
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struct nvkm_bar {
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struct nvkm_subdev subdev;
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int (*alloc)(struct nvkm_bar *, struct nvkm_object *,
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struct nvkm_mem *, struct nvkm_object **);
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int (*kmap)(struct nvkm_bar *, struct nvkm_mem *, u32 flags,
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struct nvkm_vma *);
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int (*umap)(struct nvkm_bar *, struct nvkm_mem *, u32 flags,
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struct nvkm_vma *);
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void (*unmap)(struct nvkm_bar *, struct nvkm_vma *);
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void (*flush)(struct nvkm_bar *);
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/* whether the BAR supports to be ioremapped WC or should be uncached */
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bool iomap_uncached;
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};
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static inline struct nvkm_bar *
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nvkm_bar(void *obj)
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{
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return (void *)nvkm_subdev(obj, NVDEV_SUBDEV_BAR);
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}
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extern struct nvkm_oclass nv50_bar_oclass;
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extern struct nvkm_oclass gf100_bar_oclass;
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extern struct nvkm_oclass gk20a_bar_oclass;
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#endif
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