summary refs log tree commit diff stats
path: root/hw/i386/kvm/xen_overlay.h
diff options
context:
space:
mode:
Diffstat (limited to 'hw/i386/kvm/xen_overlay.h')
-rw-r--r--hw/i386/kvm/xen_overlay.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/hw/i386/kvm/xen_overlay.h b/hw/i386/kvm/xen_overlay.h
new file mode 100644
index 0000000000..75ecb6b359
--- /dev/null
+++ b/hw/i386/kvm/xen_overlay.h
@@ -0,0 +1,26 @@
+/*
+ * QEMU Xen emulation: Shared/overlay pages support
+ *
+ * Copyright © 2022 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * Authors: David Woodhouse <dwmw2@infradead.org>
+ *
+ * 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 QEMU_XEN_OVERLAY_H
+#define QEMU_XEN_OVERLAY_H
+
+void xen_overlay_create(void);
+
+int xen_overlay_map_shinfo_page(uint64_t gpa);
+void *xen_overlay_get_shinfo_ptr(void);
+
+int xen_sync_long_mode(void);
+int xen_set_long_mode(bool long_mode);
+bool xen_is_long_mode(void);
+
+void xen_overlay_do_map_page(MemoryRegion *page, uint64_t gpa);
+
+#endif /* QEMU_XEN_OVERLAY_H */