/* $NetBSD: vnconfig.c,v 1.31 2004/04/21 01:05:48 christos Exp $ */ /*- * Copyright (c) 1997 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (c) 1990, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: Utah $Hdr: vnconfig.c 1.1 93/12/15$ * * @(#)vnconfig.c 8.1 (Berkeley) 12/15/93 */ /* * Copyright (c) 1993 University of Utah. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: Utah $Hdr: vnconfig.c 1.1 93/12/15$ * * @(#)vnconfig.c 8.1 (Berkeley) 12/15/93 */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define VND_CONFIG 1 #define VND_UNCONFIG 2 #define VND_GET 3 int verbose = 0; int readonly = 0; int force = 0; char *tabname; int config __P((char *, char *, char *, int)); int getgeom __P((struct vndgeom *, char *)); int main __P((int, char **)); char *rawdevice __P((char *)); void usage __P((void)); int main(argc, argv) int argc; char *argv[]; { int ch, rv, action = VND_CONFIG; while ((ch = getopt(argc, argv, "Fcf:lrt:uv")) != -1) { switch (ch) { case 'F': force = 1; break; case 'c': action = VND_CONFIG; break; case 'f': if (setdisktab(optarg) == -1) usage(); break; case 'l': action = VND_GET; break; case 'r': readonly = 1; break; case 't': tabname = optarg; break; case 'u': action = VND_UNCONFIG; break; case 'v': verbose = 1; break; default: case '?': usage(); /* NOTREACHED */ } } argc -= optind; argv += optind; if (action == VND_CONFIG) { if ((argc < 2 || argc > 3) || (argc == 3 && tabname != NULL)) usage(); rv = config(argv[0], argv[1], (argc == 3) ? argv[2] : NULL, action); } else if (action == VND_UNCONFIG) { if (argc != 1 || tabname != NULL) usage(); rv = config(argv[0], NULL, NULL, action); } else { /* VND_GET */ char *vn, path[64]; struct vnd_user vnu; int v, n; if (argc != 0 && argc != 1) usage(); vn = argc ? argv[0] : "vnd0"; v = opendisk(vn, O_RDONLY, path, sizeof(path), 0); if (v == -1) err(1, "open: %s", vn); for (n = 0; ; n++) { vnu.vnu_unit = argc ? -1 : n; rv = ioctl(v, VNDIOCGET, &vnu); if (rv == -1) { if (errno == ENXIO) break; err(1, "VNDIOCGET"); } if (vnu.vnu_ino == 0) printf("vnd%d: not in use\n", vnu.vnu_unit); else { char *dev; struct statvfs *mnt = NULL; int i, n; printf("vnd%d: ", vnu.vnu_unit); dev = devname(vnu.vnu_dev, S_IFBLK); if (dev != NULL) n = getmntinfo(&mnt, MNT_NOWAIT); else mnt = NULL; if (mnt != NULL) { for (i = 0; i < n; i++) { if (strncmp( mnt[i].f_mntfromname, "/dev/", 5) == 0 && strcmp( mnt[i].f_mntfromname + 5, dev) == 0) break; } if (i < n) printf("%s (%s) ", mnt[i].f_mntonname, mnt[i].f_mntfromname); else printf("%s ", dev); } else if (dev != NULL) printf("%s ", dev); else printf("dev %d,%d ", major(vnu.vnu_dev), minor(vnu.vnu_dev)); printf("inode %d\n", vnu.vnu_ino); } if (argc) break; } close(v); } exit(rv); } int config(dev, file, geom, action) char *dev, *file, *geom; int action; { struct vnd_ioctl vndio; struct disklabel *lp; char rdev[MAXPATHLEN + 1]; int fd, rv; fd = opendisk(dev, O_RDWR, rdev, sizeof(rdev), 0); if (fd < 0) { warn("%s: opendisk", rdev); return (1); } memset(&vndio, 0, sizeof(vndio)); #ifdef __GNUC__ rv = 0; /* XXX */ #endif vndio.vnd_file = file; if (geom != NULL) { rv = getgeom(&vndio.vnd_geom, geom); if (rv != 0) errx(1, "invalid geometry: %s", geom); vndio.vnd_flags = VNDIOF_HASGEOM; } else if (tabname != NULL) { lp = getdiskbyname(tabname); if (lp == NULL) errx(1, "unknown disk type: %s", tabname); vndio.vnd_geom.vng_secsize = lp->d_secsize; vndio.vnd_geom.vng_nsectors = lp->d_nsectors; vndio.vnd_geom.vng_ntracks = lp->d_ntracks; vndio.vnd_geom.vng_ncylinders = lp->d_ncylinders; vndio.vnd_flags = VNDIOF_HASGEOM; } if (readonly) vndio.vnd_flags |= VNDIOF_READONLY; /* * Clear (un-configure) the device */ if (action == VND_UNCONFIG) { if (force) vndio.vnd_flags |= VNDIOF_FORCE; rv = ioctl(fd, VNDIOCCLR, &vndio); if (rv) warn("%s: VNDIOCCLR", rdev); else if (verbose) printf("%s: cleared\n", rdev); } /* * Configure the device */ if (action == VND_CONFIG) { int ffd; ffd = open(file, readonly ? O_RDONLY : O_RDWR); if (ffd < 0) warn("%s", file); else { (void) close(ffd); rv = ioctl(fd, VNDIOCSET, &vndio); if (rv) warn("%s: VNDIOCSET", rdev); else if (verbose) { printf("%s: %d bytes on %s", rdev, vndio.vnd_size, file); if (vndio.vnd_flags & VNDIOF_HASGEOM) printf(" using geometry %d/%d/%d/%d", vndio.vnd_geom.vng_secsize, vndio.vnd_geom.vng_nsectors, vndio.vnd_geom.vng_ntracks, vndio.vnd_geom.vng_ncylinders); printf("\n"); } } } (void) close(fd); fflush(stdout); return (rv < 0); } int getgeom(vng, cp) struct vndgeom *vng; char *cp; { char *secsize, *nsectors, *ntracks, *ncylinders; #define GETARG(arg) \ do { \ if (cp == NULL || *cp == '\0') \ return (1); \ arg = strsep(&cp, "/"); \ if (arg == NULL) \ return (1); \ } while (0) GETARG(secsize); GETARG(nsectors); GETARG(ntracks); GETARG(ncylinders); #undef GETARG /* Too many? */ if (cp != NULL) return (1); #define CVTARG(str, num) \ do { \ num = strtol(str, &cp, 10); \ if (*cp != '\0') \ return (1); \ } while (0) CVTARG(secsize, vng->vng_secsize); CVTARG(nsectors, vng->vng_nsectors); CVTARG(ntracks, vng->vng_ntracks); CVTARG(ncylinders, vng->vng_ncylinders); #undef CVTARG return (0); } void usage() { (void)fprintf(stderr, "%s%s", "usage: vnconfig [-crv] [-f disktab] [-t typename] vnode_disk" " regular-file [geomspec]\n", " vnconfig -u [-Fv] vnode_disk\n" " vnconfig -l [vnode_disk]\n"); exit(1); }