1 /* $NetBSD: fstest_lfs.c,v 1.8 2020/06/17 00:16:21 kamil 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_syscallshotgun.h> 47 #include <rump/rump_syscalls.h> 48 49 #include "h_fsmacros.h" 50 #include "mount_lfs.h" 51 52 struct lfstestargs { 53 struct ufs_args ta_uargs; 54 pthread_t ta_cleanerthread; 55 sem_t ta_cleanerloop; 56 char ta_devpath[MAXPATHLEN]; 57 char ta_imgpath[MAXPATHLEN]; 58 char ta_mntpath[MAXPATHLEN]; 59 char ta_hostpath[MAXPATHLEN]; 60 }; 61 62 int 63 lfs_fstest_newfs(const atf_tc_t *tc, void **buf, const char *image, off_t size, 64 void *fspriv) 65 { 66 char cmd[1024]; 67 int res; 68 static unsigned int num = 0; 69 struct lfstestargs *args; 70 71 size /= 512; 72 snprintf(cmd, 1024, "newfs_lfs -D -F -s %"PRId64" ./%s >/dev/null", 73 size, image); 74 res = system(cmd); 75 if (res != 0) 76 return res; 77 78 res = rump_init(); 79 if (res != 0) 80 return res; 81 82 args = calloc(1, sizeof(*args)); 83 if (args == NULL) 84 return -1; 85 86 strcpy(args->ta_hostpath, image); 87 snprintf(args->ta_devpath, MAXPATHLEN, "/dev/device%d.lfs", num); 88 snprintf(args->ta_imgpath, MAXPATHLEN, "%s", image); 89 args->ta_uargs.fspec = args->ta_devpath; 90 sem_init(&args->ta_cleanerloop, 0, 0); 91 92 res = rump_pub_etfs_register(args->ta_devpath, image, RUMP_ETFS_BLK); 93 if (res != 0) { 94 free(args); 95 return res; 96 } 97 98 *buf = args; 99 num++; 100 101 return 0; 102 } 103 104 int 105 lfs_fstest_delfs(const atf_tc_t *tc, void *buf) 106 { 107 int res; 108 struct lfstestargs *args = buf; 109 110 res = rump_pub_etfs_remove(args->ta_devpath); 111 if (res != 0) 112 return res; 113 114 res = unlink(args->ta_imgpath); 115 if (res != 0) 116 return res; 117 118 pthread_join(args->ta_cleanerthread, NULL); 119 free(args); 120 121 return 0; 122 } 123 124 static void * 125 cleaner(void *arg) 126 { 127 char thepath[MAXPATHLEN]; 128 struct lfstestargs *args = arg; 129 const char *the_argv[9]; 130 char buf[64]; 131 132 rump_pub_lwproc_newlwp(rump_sys_getpid()); 133 134 /* this inspired by the cleaner code. fixme */ 135 sprintf(thepath, "/dev/r%s", args->ta_devpath+5); 136 rump_pub_etfs_register(thepath, args->ta_hostpath, RUMP_ETFS_CHR); 137 sprintf(buf, "%p", &args->ta_cleanerloop); 138 139 the_argv[0] = "megamaid"; 140 the_argv[1] = "-D"; /* don't fork() & detach */ 141 the_argv[2] = "-S"; 142 the_argv[3] = buf; 143 the_argv[4] = "-J"; 144 the_argv[5] = thepath; 145 the_argv[6] = args->ta_mntpath; 146 the_argv[7] = NULL; 147 148 /* xxxatf */ 149 optind = 1; 150 opterr = 1; 151 152 lfs_cleaner_main(7, __UNCONST(the_argv)); 153 154 rump_pub_lwproc_releaselwp(); 155 156 return NULL; 157 } 158 159 int 160 lfs_fstest_mount(const atf_tc_t *tc, void *buf, const char *path, int flags) 161 { 162 struct lfstestargs *args = buf; 163 int res; 164 165 res = rump_sys_mkdir(path, 0777); 166 if (res == -1) 167 return res; 168 169 res = rump_sys_mount(MOUNT_LFS, path, flags, &args->ta_uargs, 170 sizeof(args->ta_uargs)); 171 if (res == -1) 172 return res; 173 174 strcpy(args->ta_mntpath, path); 175 res = pthread_create(&args->ta_cleanerthread, NULL, cleaner, args); 176 if (res) 177 return res; 178 179 /* wait for cleaner to initialize */ 180 sem_wait(&args->ta_cleanerloop); 181 182 return 0; 183 } 184 185 int 186 lfs_fstest_unmount(const atf_tc_t *tc, const char *path, int flags) 187 { 188 int res; 189 190 res = rump_sys_unmount(path, flags); 191 if (res == -1) { 192 return res; 193 } 194 195 res = rump_sys_rmdir(path); 196 return res; 197 } 198