| /* |
| * Copyright (C) 2002, 2003 Jeff Dike (jdike@addtoit.com) |
| * Licensed under the GPL |
| */ |
| |
| #ifndef __MEM_H__ |
| #define __MEM_H__ |
| |
| #include "linux/types.h" |
| |
| extern int phys_mapping(unsigned long phys, __u64 *offset_out); |
| extern int physmem_subst_mapping(void *virt, int fd, __u64 offset, int w); |
| extern int is_remapped(void *virt); |
| extern int physmem_remove_mapping(void *virt); |
| extern void physmem_forget_descriptor(int fd); |
| |
| extern unsigned long uml_physmem; |
| static inline unsigned long to_phys(void *virt) |
| { |
| return(((unsigned long) virt) - uml_physmem); |
| } |
| |
| static inline void *to_virt(unsigned long phys) |
| { |
| return((void *) uml_physmem + phys); |
| } |
| |
| #endif |
| |
| /* |
| * Overrides for Emacs so that we follow Linus's tabbing style. |
| * Emacs will notice this stuff at the end of the file and automatically |
| * adjust the settings for this buffer only. This must remain at the end |
| * of the file. |
| * --------------------------------------------------------------------------- |
| * Local variables: |
| * c-file-style: "linux" |
| * End: |
| */ |
