1 files changed, 38 insertions, 0 deletions
diff --git a/include/sysemu/xen.h b/include/sysemu/xen.h
new file mode 100644
index 0000000000..1ca292715e
--- /dev/null
+++ b/include/sysemu/xen.h
@@ -0,0 +1,38 @@
+/*
+ * QEMU Xen support
+ *
+ * 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 SYSEMU_XEN_H
+#define SYSEMU_XEN_H
+
+#ifdef CONFIG_XEN
+
+bool xen_enabled(void);
+
+#ifndef CONFIG_USER_ONLY
+void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length);
+void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
+                   struct MemoryRegion *mr, Error **errp);
+#endif
+
+#else /* !CONFIG_XEN */
+
+#define xen_enabled() 0
+#ifndef CONFIG_USER_ONLY
+static inline void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length)
+{
+    /* nothing */
+}
+static inline void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
+                                 MemoryRegion *mr, Error **errp)
+{
+    g_assert_not_reached();
+}
+#endif
+
+#endif /* CONFIG_XEN */
+
+#endif