| 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 */ |