1/*
 2 * Copyright (C) 2004 Fujitsu Siemens Computers GmbH
 3 * Licensed under the GPL
 4 *
 5 * Author: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
 6 */
 7
 8#ifndef __ASM_LDT_H
 9#define __ASM_LDT_H
10
11#include <linux/mutex.h>
12#include <sysdep/host_ldt.h>
13
14extern void ldt_host_info(void);
15
16#define LDT_PAGES_MAX \
17	((LDT_ENTRIES * LDT_ENTRY_SIZE)/PAGE_SIZE)
18#define LDT_ENTRIES_PER_PAGE \
19	(PAGE_SIZE/LDT_ENTRY_SIZE)
20#define LDT_DIRECT_ENTRIES \
21	((LDT_PAGES_MAX*sizeof(void *))/LDT_ENTRY_SIZE)
22
23struct ldt_entry {
24	__u32 a;
25	__u32 b;
26};
27
28typedef struct uml_ldt {
29	int entry_count;
30	struct mutex lock;
31	union {
32		struct ldt_entry * pages[LDT_PAGES_MAX];
33		struct ldt_entry entries[LDT_DIRECT_ENTRIES];
34	} u;
35} uml_ldt_t;
36
37#endif