66 lines
		
	
	
	
		
			1.8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			66 lines
		
	
	
	
		
			1.8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /******************************************************************************
 | ||
|  |  * 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 */
 |