[linux-2.6-block.git] / arch / um / include / shared / mem.h

/* SPDX-License-Identifier: GPL-2.0 */
/* 
 * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 */

#ifndef __MEM_H__
#define __MEM_H__

extern int phys_mapping(unsigned long phys, unsigned long long *offset_out);

extern unsigned long uml_physmem;
static inline unsigned long uml_to_phys(void *virt)
{
	return(((unsigned long) virt) - uml_physmem);
}

static inline void *uml_to_virt(unsigned long phys)
{
	return((void *) uml_physmem + phys);
}

#endif
Commit	Line	Data
f2f4bf5a	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4	2	/*
0a7675aa	3	* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
1da177e4 LT	4	*/
	5
	6	#ifndef __MEM_H__
	7	#define __MEM_H__
	8
0a7675aa	9	extern int phys_mapping(unsigned long phys, unsigned long long *offset_out);
d99c4022 PBG	10
d99c4022 PBG	11	extern unsigned long uml_physmem;
097da1a4	12	static inline unsigned long uml_to_phys(void *virt)
d99c4022 PBG	13	{
	14	return(((unsigned long) virt) - uml_physmem);
	15	}
	16
097da1a4	17	static inline void *uml_to_virt(unsigned long phys)
d99c4022 PBG	18	{
	19	return((void *) uml_physmem + phys);
	20	}
1da177e4 LT	21
1da177e4 LT	22	#endif