fstest_lfs.c revision 313498 
1/*	$NetBSD: fstest_lfs.c,v 1.5 2015/08/30 18:27:26 dholland Exp $	*/
2
3/*-
4 * Copyright (c) 2010 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Nicolas Joly.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <sys/mount.h>
33#include <sys/stat.h>
34
35#include <atf-c.h>
36#include <pthread.h>
37#include <semaphore.h>
38#include <stdio.h>
39#include <stdlib.h>
40#include <string.h>
41#include <unistd.h>
42
43#include <ufs/ufs/ufsmount.h>
44
45#include <rump/rump.h>
46#include <rump/rump_syscalls.h>
47
48#include "h_fsmacros.h"
49#include "mount_lfs.h"
50
51struct lfstestargs {
52	struct ufs_args ta_uargs;
53	pthread_t ta_cleanerthread;
54	sem_t ta_cleanerloop;
55	char ta_devpath[MAXPATHLEN];
56	char ta_imgpath[MAXPATHLEN];
57	char ta_mntpath[MAXPATHLEN];
58	char ta_hostpath[MAXPATHLEN];
59};
60
61int
62lfs_fstest_newfs(const atf_tc_t *tc, void **buf, const char *image, off_t size,
63	void *fspriv)
64{
65	char cmd[1024];
66	int res;
67	static unsigned int num = 0;
68	struct lfstestargs *args;
69
70	size /= 512;
71	snprintf(cmd, 1024, "newfs_lfs -D -F -s %"PRId64" ./%s >/dev/null",
72	    size, image);
73	res = system(cmd);
74	if (res != 0)
75		return res;
76
77	res = rump_init();
78	if (res != 0)
79		return res;
80
81	args = calloc(1, sizeof(*args));
82	if (args == NULL)
83		return -1;
84
85	strcpy(args->ta_hostpath, image);
86	snprintf(args->ta_devpath, MAXPATHLEN, "/dev/device%d.lfs", num);
87	snprintf(args->ta_imgpath, MAXPATHLEN, "%s", image);
88	args->ta_uargs.fspec = args->ta_devpath;
89	sem_init(&args->ta_cleanerloop, 0, 0);
90
91	res = rump_pub_etfs_register(args->ta_devpath, image, RUMP_ETFS_BLK);
92	if (res != 0) {
93		free(args);
94		return res;
95	}
96
97	*buf = args;
98	num++;
99
100	return 0;
101}
102
103int
104lfs_fstest_delfs(const atf_tc_t *tc, void *buf)
105{
106	int res;
107	struct lfstestargs *args = buf;
108
109	res = rump_pub_etfs_remove(args->ta_devpath);
110	if (res != 0)
111		return res;
112
113	res = unlink(args->ta_imgpath);
114	if (res != 0)
115		return res;
116
117	pthread_join(args->ta_cleanerthread, NULL);
118	free(args);
119
120	return 0;
121}
122
123static void *
124cleaner(void *arg)
125{
126	char thepath[MAXPATHLEN];
127	struct lfstestargs *args = arg;
128	const char *the_argv[7];
129	char buf[64];
130
131	/* this inspired by the cleaner code.  fixme */
132	sprintf(thepath, "/dev/r%s", args->ta_devpath+5);
133	rump_pub_etfs_register(thepath, args->ta_hostpath, RUMP_ETFS_CHR);
134	sprintf(buf, "%p", &args->ta_cleanerloop);
135
136	the_argv[0] = "megamaid";
137	the_argv[1] = "-D"; /* don't fork() & detach */
138	the_argv[2] = "-S";
139	the_argv[3] = buf;
140	the_argv[4] = args->ta_mntpath;
141	the_argv[5] = NULL;
142
143	/* xxxatf */
144	optind = 1;
145	opterr = 1;
146
147	lfs_cleaner_main(5, __UNCONST(the_argv));
148
149	return NULL;
150}
151
152int
153lfs_fstest_mount(const atf_tc_t *tc, void *buf, const char *path, int flags)
154{
155	struct lfstestargs *args = buf;
156	int res;
157
158	res = rump_sys_mkdir(path, 0777);
159	if (res == -1)
160		return res;
161
162	res = rump_sys_mount(MOUNT_LFS, path, flags, &args->ta_uargs,
163	    sizeof(args->ta_uargs));
164	if (res == -1)
165		return res;
166
167	strcpy(args->ta_mntpath, path);
168	res = pthread_create(&args->ta_cleanerthread, NULL, cleaner, args);
169	if (res)
170		return res;
171
172	/* wait for cleaner to initialize */
173	sem_wait(&args->ta_cleanerloop);
174
175	return 0;
176}
177
178int
179lfs_fstest_unmount(const atf_tc_t *tc, const char *path, int flags)
180{
181	int res;
182
183	res = rump_sys_unmount(path, flags);
184	if (res == -1) {
185		return res;
186	}
187
188	res = rump_sys_rmdir(path);
189	return res;
190}
191