66 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /******************************************************************************
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|  * arch/ia64/include/asm/xen/page.h
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|  *
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|  * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
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|  *                    VA Linux Systems Japan K.K.
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|  *
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|  * This program is free software; you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation; either version 2 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program; if not, write to the Free Software
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|  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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|  *
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|  */
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| 
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| #ifndef _ASM_IA64_XEN_PAGE_H
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| #define _ASM_IA64_XEN_PAGE_H
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| 
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| #define INVALID_P2M_ENTRY	(~0UL)
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| 
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| static inline unsigned long mfn_to_pfn(unsigned long mfn)
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| {
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| 	return mfn;
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| }
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| 
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| static inline unsigned long pfn_to_mfn(unsigned long pfn)
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| {
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| 	return pfn;
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| }
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| 
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| #define phys_to_machine_mapping_valid(_x)	(1)
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| 
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| static inline void *mfn_to_virt(unsigned long mfn)
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| {
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| 	return __va(mfn << PAGE_SHIFT);
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| }
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| 
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| static inline unsigned long virt_to_mfn(void *virt)
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| {
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| 	return __pa(virt) >> PAGE_SHIFT;
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| }
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| 
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| /* for tpmfront.c */
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| static inline unsigned long virt_to_machine(void *virt)
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| {
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| 	return __pa(virt);
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| }
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| 
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| static inline void set_phys_to_machine(unsigned long pfn, unsigned long mfn)
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| {
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| 	/* nothing */
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| }
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| 
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| #define pte_mfn(_x)	pte_pfn(_x)
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| #define mfn_pte(_x, _y)	__pte_ma(0)		/* unmodified use */
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| #define __pte_ma(_x)	((pte_t) {(_x)})        /* unmodified use */
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| 
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| #endif /* _ASM_IA64_XEN_PAGE_H */
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