1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/gpuobj.h b/drivers/gpu/drm/nouveau/include/nvkm/core/gpuobj.h
new file mode 100644
index 000000000..0f515ec28
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/gpuobj.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_GPUOBJ_H__
+#define __NVKM_GPUOBJ_H__
+#include <core/memory.h>
+#include <core/mm.h>
+
+#define NVOBJ_FLAG_ZERO_ALLOC 0x00000001
+#define NVOBJ_FLAG_HEAP       0x00000004
+
+struct nvkm_gpuobj {
+	union {
+		const struct nvkm_gpuobj_func *func;
+		const struct nvkm_gpuobj_func *ptrs;
+	};
+	struct nvkm_gpuobj *parent;
+	struct nvkm_memory *memory;
+	struct nvkm_mm_node *node;
+
+	u64 addr;
+	u32 size;
+	struct nvkm_mm heap;
+
+	void __iomem *map;
+};
+
+struct nvkm_gpuobj_func {
+	void *(*acquire)(struct nvkm_gpuobj *);
+	void (*release)(struct nvkm_gpuobj *);
+	u32 (*rd32)(struct nvkm_gpuobj *, u32 offset);
+	void (*wr32)(struct nvkm_gpuobj *, u32 offset, u32 data);
+	int (*map)(struct nvkm_gpuobj *, u64 offset, struct nvkm_vmm *,
+		   struct nvkm_vma *, void *argv, u32 argc);
+};
+
+int nvkm_gpuobj_new(struct nvkm_device *, u32 size, int align, bool zero,
+		    struct nvkm_gpuobj *parent, struct nvkm_gpuobj **);
+void nvkm_gpuobj_del(struct nvkm_gpuobj **);
+int nvkm_gpuobj_wrap(struct nvkm_memory *, struct nvkm_gpuobj **);
+void nvkm_gpuobj_memcpy_to(struct nvkm_gpuobj *dst, u32 dstoffset, void *src,
+			   u32 length);
+void nvkm_gpuobj_memcpy_from(void *dst, struct nvkm_gpuobj *src, u32 srcoffset,
+			     u32 length);
+#endif