1*f2f4bf5aSAlex Dewar /* SPDX-License-Identifier: GPL-2.0 */ 28569c914SAl Viro /* 38569c914SAl Viro * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) 48569c914SAl Viro */ 58569c914SAl Viro 68569c914SAl Viro #ifndef __MEM_H__ 78569c914SAl Viro #define __MEM_H__ 88569c914SAl Viro 98569c914SAl Viro extern int phys_mapping(unsigned long phys, unsigned long long *offset_out); 108569c914SAl Viro 118569c914SAl Viro extern unsigned long uml_physmem; 128569c914SAl Viro static inline unsigned long to_phys(void *virt) 138569c914SAl Viro { 148569c914SAl Viro return(((unsigned long) virt) - uml_physmem); 158569c914SAl Viro } 168569c914SAl Viro 178569c914SAl Viro static inline void *to_virt(unsigned long phys) 188569c914SAl Viro { 198569c914SAl Viro return((void *) uml_physmem + phys); 208569c914SAl Viro } 218569c914SAl Viro 228569c914SAl Viro #endif 23