1 /* $NetBSD: fstest_lfs.c,v 1.7 2019/08/30 23:45:13 brad 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 struct 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 61 int 62 lfs_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 } 102 103 int 104 lfs_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 } 122 123 static void * 124 cleaner(void *arg) 125 { 126 char thepath[MAXPATHLEN]; 127 struct lfstestargs *args = arg; 128 const char *the_argv[9]; 129 char buf[64]; 130 131 rump_pub_lwproc_newlwp(rump_sys_getpid()); 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] = "-J"; 143 the_argv[5] = thepath; 144 the_argv[6] = args->ta_mntpath; 145 the_argv[7] = NULL; 146 147 /* xxxatf */ 148 optind = 1; 149 opterr = 1; 150 151 lfs_cleaner_main(7, __UNCONST(the_argv)); 152 153 rump_pub_lwproc_releaselwp(); 154 155 return NULL; 156 } 157 158 int 159 lfs_fstest_mount(const atf_tc_t *tc, void *buf, const char *path, int flags) 160 { 161 struct lfstestargs *args = buf; 162 int res; 163 164 res = rump_sys_mkdir(path, 0777); 165 if (res == -1) 166 return res; 167 168 res = rump_sys_mount(MOUNT_LFS, path, flags, &args->ta_uargs, 169 sizeof(args->ta_uargs)); 170 if (res == -1) 171 return res; 172 173 strcpy(args->ta_mntpath, path); 174 res = pthread_create(&args->ta_cleanerthread, NULL, cleaner, args); 175 if (res) 176 return res; 177 178 /* wait for cleaner to initialize */ 179 sem_wait(&args->ta_cleanerloop); 180 181 return 0; 182 } 183 184 int 185 lfs_fstest_unmount(const atf_tc_t *tc, const char *path, int flags) 186 { 187 int res; 188 189 res = rump_sys_unmount(path, flags); 190 if (res == -1) { 191 return res; 192 } 193 194 res = rump_sys_rmdir(path); 195 return res; 196 } 197