1d40ddd52SDavid Woodhouse /* 2d40ddd52SDavid Woodhouse * QEMU Xen emulation: Shared/overlay pages support 3d40ddd52SDavid Woodhouse * 4d40ddd52SDavid Woodhouse * Copyright © 2022 Amazon.com, Inc. or its affiliates. All Rights Reserved. 5d40ddd52SDavid Woodhouse * 6d40ddd52SDavid Woodhouse * Authors: David Woodhouse <dwmw2@infradead.org> 7d40ddd52SDavid Woodhouse * 8d40ddd52SDavid Woodhouse * This work is licensed under the terms of the GNU GPL, version 2 or later. 9d40ddd52SDavid Woodhouse * See the COPYING file in the top-level directory. 10d40ddd52SDavid Woodhouse */ 11d40ddd52SDavid Woodhouse 12d40ddd52SDavid Woodhouse #ifndef QEMU_XEN_OVERLAY_H 13d40ddd52SDavid Woodhouse #define QEMU_XEN_OVERLAY_H 14d40ddd52SDavid Woodhouse 15d40ddd52SDavid Woodhouse void xen_overlay_create(void); 16d40ddd52SDavid Woodhouse 17d40ddd52SDavid Woodhouse int xen_overlay_map_shinfo_page(uint64_t gpa); 18d40ddd52SDavid Woodhouse void *xen_overlay_get_shinfo_ptr(void); 19d40ddd52SDavid Woodhouse 20110a0ea5SDavid Woodhouse int xen_sync_long_mode(void); 21110a0ea5SDavid Woodhouse int xen_set_long_mode(bool long_mode); 22110a0ea5SDavid Woodhouse bool xen_is_long_mode(void); 23110a0ea5SDavid Woodhouse 24*e33cb789SDavid Woodhouse void xen_overlay_do_map_page(MemoryRegion *page, uint64_t gpa); 25*e33cb789SDavid Woodhouse 26d40ddd52SDavid Woodhouse #endif /* QEMU_XEN_OVERLAY_H */ 27