Import QEMU upstream snapshot d2e570c

Upstream: https://gitlab.com/qemu-project/qemu.git

Upstream-Commit: d2e570cc0f97b936902a5b1b86b73c0f5998b475

include/hw/mem/sparse-mem.h

@@ -0,0 +1,19 @@
+/*
+ * A sparse memory device. Useful for fuzzing
+ *
+ * Copyright Red Hat Inc., 2021
+ *
+ * Authors:
+ *  Alexander Bulekov   <[email protected]>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef SPARSE_MEM_H
+#define SPARSE_MEM_H
+#define TYPE_SPARSE_MEM "sparse-mem"
+
+MemoryRegion *sparse_mem_init(uint64_t addr, uint64_t length);
+
+#endif