Linux-libre 4.3.2-gnu

1 files changed, 39 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h
new file mode 100644
index 000000000..27cedc60b
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h
@@ -0,0 +1,39 @@
+#ifndef __NVKM_MMU_PRIV_H__
+#define __NVKM_MMU_PRIV_H__
+#define nvkm_mmu(p) container_of((p), struct nvkm_mmu, subdev)
+#include <subdev/mmu.h>
+
+void nvkm_mmu_ctor(const struct nvkm_mmu_func *, struct nvkm_device *,
+		   int index, struct nvkm_mmu *);
+int nvkm_mmu_new_(const struct nvkm_mmu_func *, struct nvkm_device *,
+		  int index, struct nvkm_mmu **);
+
+struct nvkm_mmu_func {
+	void *(*dtor)(struct nvkm_mmu *);
+	int (*oneinit)(struct nvkm_mmu *);
+	void (*init)(struct nvkm_mmu *);
+
+	u64 limit;
+	u8  dma_bits;
+	u32 pgt_bits;
+	u8  spg_shift;
+	u8  lpg_shift;
+
+	int  (*create)(struct nvkm_mmu *, u64 offset, u64 length, u64 mm_offset,
+		       struct lock_class_key *, struct nvkm_vm **);
+
+	void (*map_pgt)(struct nvkm_gpuobj *pgd, u32 pde,
+			struct nvkm_memory *pgt[2]);
+	void (*map)(struct nvkm_vma *, struct nvkm_memory *,
+		    struct nvkm_mem *, u32 pte, u32 cnt,
+		    u64 phys, u64 delta);
+	void (*map_sg)(struct nvkm_vma *, struct nvkm_memory *,
+		       struct nvkm_mem *, u32 pte, u32 cnt, dma_addr_t *);
+	void (*unmap)(struct nvkm_vma *, struct nvkm_memory *pgt,
+		      u32 pte, u32 cnt);
+	void (*flush)(struct nvkm_vm *);
+};
+
+int nvkm_vm_create(struct nvkm_mmu *, u64, u64, u64, u32,
+		   struct lock_class_key *, struct nvkm_vm **);
+#endif