1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/include/core/mm.h b/drivers/gpu/drm/nouveau/core/include/core/mm.h
new file mode 100644
index 0000000..2514e81
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/include/core/mm.h
@@ -0,0 +1,38 @@
+#ifndef __NOUVEAU_MM_H__
+#define __NOUVEAU_MM_H__
+
+struct nouveau_mm_node {
+	struct list_head nl_entry;
+	struct list_head fl_entry;
+	struct list_head rl_entry;
+
+	u8  type;
+	u32 offset;
+	u32 length;
+};
+
+struct nouveau_mm {
+	struct list_head nodes;
+	struct list_head free;
+
+	struct mutex mutex;
+
+	u32 block_size;
+	int heap_nodes;
+};
+
+static inline bool
+nouveau_mm_initialised(struct nouveau_mm *mm)
+{
+	return mm->block_size != 0;
+}
+
+int  nouveau_mm_init(struct nouveau_mm *, u32 offset, u32 length, u32 block);
+int  nouveau_mm_fini(struct nouveau_mm *);
+int  nouveau_mm_head(struct nouveau_mm *, u8 type, u32 size_max, u32 size_min,
+		     u32 align, struct nouveau_mm_node **);
+int  nouveau_mm_tail(struct nouveau_mm *, u8 type, u32 size_max, u32 size_min,
+		     u32 align, struct nouveau_mm_node **);
+void nouveau_mm_free(struct nouveau_mm *, struct nouveau_mm_node **);
+
+#endif