1 /* 2 * QEMU Xen emulation: Shared/overlay pages support 3 * 4 * Copyright © 2022 Amazon.com, Inc. or its affiliates. All Rights Reserved. 5 * 6 * Authors: David Woodhouse <dwmw2@infradead.org> 7 * 8 * This work is licensed under the terms of the GNU GPL, version 2 or later. 9 * See the COPYING file in the top-level directory. 10 */ 11 12 #ifndef QEMU_XEN_OVERLAY_H 13 #define QEMU_XEN_OVERLAY_H 14 15 void xen_overlay_create(void); 16 17 int xen_overlay_map_shinfo_page(uint64_t gpa); 18 void *xen_overlay_get_shinfo_ptr(void); 19 20 int xen_sync_long_mode(void); 21 int xen_set_long_mode(bool long_mode); 22 bool xen_is_long_mode(void); 23 24 void xen_overlay_do_map_page(MemoryRegion *page, uint64_t gpa); 25 26 #endif /* QEMU_XEN_OVERLAY_H */ 27