Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / include / nvkm / subdev / bar.h

diff --git a/kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h b/kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h
new file mode 100644 (file)
index 0000000..c7a007b
--- /dev/null
+++ b/kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h
@@ -0,0 +1,33 @@
+#ifndef __NVKM_BAR_H__
+#define __NVKM_BAR_H__
+#include <core/subdev.h>
+struct nvkm_mem;
+struct nvkm_vma;
+
+struct nvkm_bar {
+       struct nvkm_subdev base;
+
+       int  (*alloc)(struct nvkm_bar *, struct nvkm_object *,
+                     struct nvkm_mem *, struct nvkm_object **);
+
+       int  (*kmap)(struct nvkm_bar *, struct nvkm_mem *, u32 flags,
+                    struct nvkm_vma *);
+       int  (*umap)(struct nvkm_bar *, struct nvkm_mem *, u32 flags,
+                    struct nvkm_vma *);
+       void (*unmap)(struct nvkm_bar *, struct nvkm_vma *);
+       void (*flush)(struct nvkm_bar *);
+
+       /* whether the BAR supports to be ioremapped WC or should be uncached */
+       bool iomap_uncached;
+};
+
+static inline struct nvkm_bar *
+nvkm_bar(void *obj)
+{
+       return (void *)nvkm_subdev(obj, NVDEV_SUBDEV_BAR);
+}
+
+extern struct nvkm_oclass nv50_bar_oclass;
+extern struct nvkm_oclass gf100_bar_oclass;
+extern struct nvkm_oclass gk20a_bar_oclass;
+#endif