/*

 * ldt.h

 *

 * Definitions of structures used with the modify_ldt system call.

 */

#ifndef _LINUX_LDT_H

#define _LINUX_LDT_H

/* Maximum number of LDT entries supported. */

#define LDT_ENTRIES	8192

/* The size of each LDT entry. */

#define LDT_ENTRY_SIZE	8

#ifndef __ASSEMBLY__

/* Note on 64bit base and limit is ignored and you cannot set

   DS/ES/CS not to the default values if you still want to do syscalls. This

   call is more for 32bit mode therefore. */

struct user_desc {

	unsigned int  entry_number;

	unsigned int  base_addr;

	unsigned int  limit;

	unsigned int  seg_32bit:1;

	unsigned int  contents:2;

	unsigned int  read_exec_only:1;

	unsigned int  limit_in_pages:1;

	unsigned int  seg_not_present:1;

	unsigned int  useable:1;

	unsigned int  lm:1;

};

#define MODIFY_LDT_CONTENTS_DATA	0

#define MODIFY_LDT_CONTENTS_STACK	1

#define MODIFY_LDT_CONTENTS_CODE	2

#endif /* !__ASSEMBLY__ */

#endif