drm/nouveau/mmu: define user interfaces to mmu memory allocation

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.h
new file mode 100644
index 000000000000..85cf692d620a
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.h
@@ -0,0 +1,26 @@
+#ifndef __NVKM_UMEM_H__
+#define __NVKM_UMEM_H__
+#define nvkm_umem(p) container_of((p), struct nvkm_umem, object)
+#include <core/object.h>
+#include "mem.h"
+
+struct nvkm_umem {
+	struct nvkm_object object;
+	struct nvkm_mmu *mmu;
+	u8 type:8;
+	bool priv:1;
+	bool mappable:1;
+	bool io:1;
+
+	struct nvkm_memory *memory;
+	struct list_head head;
+
+	union {
+		struct nvkm_vma *bar;
+		void *map;
+	};
+};
+
+int nvkm_umem_new(const struct nvkm_oclass *, void *argv, u32 argc,
+		  struct nvkm_object **);
+#endif