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/******************************************************************************
* hypervisor.h
*
* Linux-specific hypervisor handling.
*
* Copyright (c) 2002-2004, K A Fraser
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation; or, when distributed
* separately from the Linux kernel or incorporated into other
* software packages, subject to the following license:
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this source file (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify,
* merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef __HYPERVISOR_H__
#define __HYPERVISOR_H__
#include <linux/types.h>
#include <linux/kernel.h>
#include <xen/interface/xen.h>
#include <xen/interface/version.h>
#include <asm/ptrace.h>
#include <asm/page.h>
#include <asm/desc.h>
#if defined(__i386__)
# ifdef CONFIG_X86_PAE
# include <asm-generic/pgtable-nopud.h>
# else
# include <asm-generic/pgtable-nopmd.h>
# endif
#endif
#include <asm/xen/hypercall.h>
/* arch/i386/kernel/setup.c */
extern struct shared_info *HYPERVISOR_shared_info;
extern struct start_info *xen_start_info;
/* arch/i386/mach-xen/evtchn.c */
/* Force a proper event-channel callback from Xen. */
extern void force_evtchn_callback(void);
/* Turn jiffies into Xen system time. */
u64 jiffies_to_st(unsigned long jiffies);
#define MULTI_UVMFLAGS_INDEX 3
#define MULTI_UVMDOMID_INDEX 4
enum xen_domain_type {
XEN_NATIVE,
XEN_PV_DOMAIN,
XEN_HVM_DOMAIN,
};
extern enum xen_domain_type xen_domain_type;
#define xen_domain() (xen_domain_type != XEN_NATIVE)
#define xen_pv_domain() (xen_domain_type == XEN_PV_DOMAIN)
#define xen_initial_domain() (xen_pv_domain() && xen_start_info->flags & SIF_INITDOMAIN)
#define xen_hvm_domain() (xen_domain_type == XEN_HVM_DOMAIN)
#endif /* __HYPERVISOR_H__ */
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