LXR linux/arch/ia64/include/asm/xen/hypervisor.h

   1/******************************************************************************
   2 * hypervisor.h
   3 *
   4 * Linux-specific hypervisor handling.
   5 *
   6 * Copyright (c) 2002-2004, K A Fraser
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License version 2
  10 * as published by the Free Software Foundation; or, when distributed
  11 * separately from the Linux kernel or incorporated into other
  12 * software packages, subject to the following license:
  13 *
  14 * Permission is hereby granted, free of charge, to any person obtaining a copy
  15 * of this source file (the "Software"), to deal in the Software without
  16 * restriction, including without limitation the rights to use, copy, modify,
  17 * merge, publish, distribute, sublicense, and/or sell copies of the Software,
  18 * and to permit persons to whom the Software is furnished to do so, subject to
  19 * the following conditions:
  20 *
  21 * The above copyright notice and this permission notice shall be included in
  22 * all copies or substantial portions of the Software.
  23 *
  24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  25 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  26 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  27 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  28 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  29 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  30 * IN THE SOFTWARE.
  31 */
  32
  33#ifndef _ASM_IA64_XEN_HYPERVISOR_H
  34#define _ASM_IA64_XEN_HYPERVISOR_H
  35
  36#include <linux/err.h>
  37#include <xen/interface/xen.h>
  38#include <xen/interface/version.h>      /* to compile feature.c */
  39#include <xen/features.h>               /* to comiple xen-netfront.c */
  40#include <xen/xen.h>
  41#include <asm/xen/hypercall.h>
  42
  43#ifdef CONFIG_XEN
  44extern struct shared_info *HYPERVISOR_shared_info;
  45extern struct start_info *xen_start_info;
  46
  47void __init xen_setup_vcpu_info_placement(void);
  48void force_evtchn_callback(void);
  49
  50/* for drivers/xen/balloon/balloon.c */
  51#ifdef CONFIG_XEN_SCRUB_PAGES
  52#define scrub_pages(_p, _n) memset((void *)(_p), 0, (_n) << PAGE_SHIFT)
  53#else
  54#define scrub_pages(_p, _n) ((void)0)
  55#endif
  56
  57/* For setup_arch() in arch/ia64/kernel/setup.c */
  58void xen_ia64_enable_opt_feature(void);
  59#endif
  60
  61#endif /* _ASM_IA64_XEN_HYPERVISOR_H */
  62