1 /*	$NetBSD: fstest_lfs.c,v 1.4 2010/07/30 16:15:05 pooka 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 
51 sem_t lfs_clearnerloop;
52 
53 struct lfstestargs {
54 	struct ufs_args ta_uargs;
55 	pthread_t ta_cleanerthread;
56 	sem_t ta_cleanerloop;
57 	char ta_devpath[MAXPATHLEN];
58 	char ta_imgpath[MAXPATHLEN];
59 	char ta_mntpath[MAXPATHLEN];
60 	char ta_hostpath[MAXPATHLEN];
61 };
62 
63 int
64 lfs_fstest_newfs(const atf_tc_t *tc, void **buf, const char *image, off_t size,
65 	void *fspriv)
66 {
67 	char cmd[1024];
68 	int res;
69 	static unsigned int num = 0;
70 	struct lfstestargs *args;
71 
72 	size /= 512;
73 	snprintf(cmd, 1024, "newfs_lfs -D -F -s %"PRId64" ./%s >/dev/null",
74 	    size, image);
75 	res = system(cmd);
76 	if (res != 0)
77 		return res;
78 
79 	res = rump_init();
80 	if (res != 0)
81 		return res;
82 
83 	args = calloc(1, sizeof(*args));
84 	if (args == NULL)
85 		return -1;
86 
87 	strcpy(args->ta_hostpath, image);
88 	snprintf(args->ta_devpath, MAXPATHLEN, "/dev/device%d.lfs", num);
89 	snprintf(args->ta_imgpath, MAXPATHLEN, "%s", image);
90 	args->ta_uargs.fspec = args->ta_devpath;
91 	sem_init(&args->ta_cleanerloop, 0, 0);
92 
93 	res = rump_pub_etfs_register(args->ta_devpath, image, RUMP_ETFS_BLK);
94 	if (res != 0) {
95 		free(args);
96 		return res;
97 	}
98 
99 	*buf = args;
100 	num++;
101 
102 	return 0;
103 }
104 
105 int
106 lfs_fstest_delfs(const atf_tc_t *tc, void *buf)
107 {
108 	int res;
109 	struct lfstestargs *args = buf;
110 
111 	res = rump_pub_etfs_remove(args->ta_devpath);
112 	if (res != 0)
113 		return res;
114 
115 	res = unlink(args->ta_imgpath);
116 	if (res != 0)
117 		return res;
118 
119 	pthread_join(args->ta_cleanerthread, NULL);
120 	free(args);
121 
122 	return 0;
123 }
124 
125 static void *
126 cleaner(void *arg)
127 {
128 	char thepath[MAXPATHLEN];
129 	struct lfstestargs *args = arg;
130 	const char *the_argv[7];
131 	char buf[64];
132 
133 	/* this inspired by the cleaner code.  fixme */
134 	sprintf(thepath, "/dev/r%s", args->ta_devpath+5);
135 	rump_pub_etfs_register(thepath, args->ta_hostpath, RUMP_ETFS_CHR);
136 	sprintf(buf, "%p", &args->ta_cleanerloop);
137 
138 	the_argv[0] = "megamaid";
139 	the_argv[1] = "-D"; /* don't fork() & detach */
140 	the_argv[2] = "-S";
141 	the_argv[3] = buf;
142 	the_argv[4] = args->ta_mntpath;
143 	the_argv[5] = NULL;
144 
145 	/* xxxatf */
146 	optind = 1;
147 	opterr = 1;
148 
149 	lfs_cleaner_main(5, __UNCONST(the_argv));
150 
151 	return NULL;
152 }
153 
154 int
155 lfs_fstest_mount(const atf_tc_t *tc, void *buf, const char *path, int flags)
156 {
157 	struct lfstestargs *args = buf;
158 	int res;
159 
160 	res = rump_sys_mkdir(path, 0777);
161 	if (res == -1)
162 		return res;
163 
164 	res = rump_sys_mount(MOUNT_LFS, path, flags, &args->ta_uargs,
165 	    sizeof(args->ta_uargs));
166 	if (res == -1)
167 		return res;
168 
169 	strcpy(args->ta_mntpath, path);
170 	res = pthread_create(&args->ta_cleanerthread, NULL, cleaner, args);
171 	if (res)
172 		return res;
173 
174 	/* wait for cleaner to initialize */
175 	sem_wait(&args->ta_cleanerloop);
176 
177 	return 0;
178 }
179 
180 int
181 lfs_fstest_unmount(const atf_tc_t *tc, const char *path, int flags)
182 {
183 	int res;
184 
185 	res = rump_sys_unmount(path, flags);
186 	if (res == -1) {
187 		return res;
188 	}
189 
190 	res = rump_sys_rmdir(path);
191 	return res;
192 }
193