/* *  linux/include/asm-arm/proc-armv/domain.h * *  Copyright (C) 1999 Russell King. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */#ifndef __ASM_PROC_DOMAIN_H#define __ASM_PROC_DOMAIN_H/* * Domain numbers * *  DOMAIN_IO     - domain 2 includes all IO only *  DOMAIN_KERNEL - domain 1 includes all kernel memory only *  DOMAIN_USER   - domain 0 includes all user memory only */#define DOMAIN_USER	0#define DOMAIN_KERNEL	1#define DOMAIN_TABLE	1#define DOMAIN_IO	2/* * Domain types */#define DOMAIN_NOACCESS	0#define DOMAIN_CLIENT	1#define DOMAIN_MANAGER	3#define domain_val(dom,type)	((type) << 2*(dom))#define set_domain(x)					\	do {						\	__asm__ __volatile__(				\	"mcr	p15, 0, %0, c3, c0	@ set domain"	\	  : : "r" (x));					\	} while (0)#define modify_domain(dom,type)				\	do {						\	unsigned int domain = current->thread.domain;	\	domain &= ~domain_val(dom, DOMAIN_MANAGER);	\	domain |= domain_val(dom, type);		\	current->thread.domain = domain;		\	set_domain(current->thread.domain);		\	} while (0)#endif