/******************************************************************************
* arch/ia64/include/asm/xen/page.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_IA64_XEN_PAGE_H
#define _ASM_IA64_XEN_PAGE_H

#define INVALID_P2M_ENTRY (~0UL)

static inline unsigned long mfn_to_pfn(unsigned long mfn)
{
return mfn;
}

static inline unsigned long pfn_to_mfn(unsigned long pfn)
{
return pfn;
}

#define phys_to_machine_mapping_valid(_x) (1)

static inline void *mfn_to_virt(unsigned long mfn)
{
return __va(mfn << PAGE_SHIFT);
}

static inline unsigned long virt_to_mfn(void *virt)
{
return __pa(virt) >> PAGE_SHIFT;
}

/* for tpmfront.c */
static inline unsigned long virt_to_machine(void *virt)
{
return __pa(virt);
}

static inline void set_phys_to_machine(unsigned long pfn, unsigned long mfn)
{
/* nothing */
}

#define pte_mfn(_x) pte_pfn(_x)
#define mfn_pte(_x, _y) __pte_ma(0) /* unmodified use */
#define __pte_ma(_x) ((pte_t) {(_x)}) /* unmodified use */

#endif /* _ASM_IA64_XEN_PAGE_H */