linux-vybrid_public/include/asm-ia64/paravirt.h

/******************************************************************************
 * include/asm-ia64/paravirt.h
 *
 * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
 *                    VA Linux Systems Japan K.K.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */


#ifndef __ASM_PARAVIRT_H
#define __ASM_PARAVIRT_H

#ifdef CONFIG_PARAVIRT_GUEST

#define PARAVIRT_HYPERVISOR_TYPE_DEFAULT	0
#define PARAVIRT_HYPERVISOR_TYPE_XEN		1

#ifndef __ASSEMBLY__

#include <asm/hw_irq.h>
#include <asm/meminit.h>

/******************************************************************************
 * general info
 */
struct pv_info {
	unsigned int kernel_rpl;
	int paravirt_enabled;
	const char *name;
};

extern struct pv_info pv_info;

static inline int paravirt_enabled(void)
{
	return pv_info.paravirt_enabled;
}

static inline unsigned int get_kernel_rpl(void)
{
	return pv_info.kernel_rpl;
}

#endif /* !__ASSEMBLY__ */

#else
/* fallback for native case */

#endif /* CONFIG_PARAVIRT_GUEST */

#endif /* __ASM_PARAVIRT_H */