1/*
2 *
3 *   Copyright (c) International Business Machines  Corp., 2001
4 *
5 *   This program is free software;  you can redistribute it and/or modify
6 *   it under the terms of the GNU General Public License as published by
7 *   the Free Software Foundation; either version 2 of the License, or
8 *   (at your option) any later version.
9 *
10 *   This program is distributed in the hope that it will be useful,
11 *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
12 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
13 *   the GNU General Public License for more details.
14 *
15 *   You should have received a copy of the GNU General Public License
16 *   along with this program;  if not, write to the Free Software
17 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20/*
21 * hugetlb.h - common definitions for the hugepage tests
22 */
23
24#ifndef __HUGETLB_H
25#define __HUGETLB_H
26
27#include <sys/ipc.h>
28#include <sys/shm.h>
29#include <errno.h>
30#include <sys/wait.h>
31#include "test.h"
32
33#define SHM_RD	0400
34#define SHM_WR	0200
35#define SHM_RW	(SHM_RD|SHM_WR)
36
37#ifndef SHM_HUGETLB
38#define SHM_HUGETLB	04000	/* segment is mapped via hugetlb */
39#endif
40
41/*
42 * to get the lower nine permission bits
43 * from shmid_ds.ipc_perm.mode
44 */
45#define MODE_MASK	0x01FF
46#define PATH_HUGEPAGES	"/sys/kernel/mm/hugepages/"
47
48key_t shmkey;			/* an IPC key generated by ftok() */
49
50void check_hugepage(void);
51
52int getipckey(void (*cleanup_fn) (void));
53int getuserid(void (*cleanup_fn) (void), char *user);
54void rm_shm(int shm_id);
55
56char *nr_opt;
57int sflag;
58long orig_hugepages;
59
60#endif /* hugetlb.h */
61