hw/i386/kvm/xen_overlay.h

   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 */