1 /* $NetBSD: mount_puffs.c,v 1.3 2010/05/21 11:59:38 pooka Exp $ */ 2 3 /* 4 * Copyright (c) 2010 Antti Kantee. All Rights Reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /* 29 * This is to support -o getargs without having to replicate 30 * it in every file server. 31 */ 32 33 #include <sys/cdefs.h> 34 #ifndef lint 35 __RCSID("$NetBSD: mount_puffs.c,v 1.3 2010/05/21 11:59:38 pooka Exp $"); 36 #endif /* !lint */ 37 38 #include <sys/param.h> 39 #include <sys/mount.h> 40 41 #include <fs/puffs/puffs_msgif.h> 42 43 #include <err.h> 44 #include <mntopts.h> 45 #include <stdio.h> 46 #include <stdlib.h> 47 #include <unistd.h> 48 49 const struct mntopt getargmopt[] = { 50 MOPT_GETARGS, 51 MOPT_NULL, 52 }; 53 54 static void 55 usage(void) 56 { 57 58 fprintf(stderr, "usage: %s -o getargs spec dir\n", getprogname()); 59 exit(1); 60 } 61 62 int 63 main(int argc, char *argv[]) 64 { 65 const char *vtypes[] = { VNODE_TYPES }; 66 struct puffs_kargs kargs; 67 mntoptparse_t mp; 68 int mntflags, f; 69 int ch; 70 71 if (argc < 3) 72 usage(); 73 74 mntflags = 0; 75 while ((ch = getopt(argc, argv, "o:")) != -1) { 76 switch (ch) { 77 case 'o': 78 mp = getmntopts(optarg, getargmopt, &mntflags, &f); 79 if (mp == NULL) 80 err(1, "getmntopts"); 81 freemntopts(mp); 82 break; 83 default: 84 usage(); 85 } 86 } 87 argc -= optind; 88 argv += optind; 89 90 if (argc != 2) 91 usage(); 92 93 if (mntflags != MNT_GETARGS) 94 usage(); 95 96 if (mount(MOUNT_PUFFS, argv[1], mntflags, &kargs, sizeof(kargs)) == -1) 97 err(1, "mount"); 98 99 printf("version=%d, ", kargs.pa_vers); 100 printf("flags=0x%x, ", kargs.pa_flags); 101 102 printf("root cookie=%p, ", kargs.pa_root_cookie); 103 printf("root type=%s", vtypes[kargs.pa_root_vtype]); 104 105 if (kargs.pa_root_vtype != VDIR) 106 printf(", root size=%llu", 107 (unsigned long long)kargs.pa_root_vsize); 108 if (kargs.pa_root_vtype == VCHR || kargs.pa_root_vtype == VBLK) 109 printf(", root rdev=0x%" PRIx64, (uint64_t)kargs.pa_root_rdev); 110 printf("\n"); 111 112 return 0; 113 } 114