ccdconfig.c revision 13762
113762Sasami/* $Id: ccdconfig.c,v 1.3 1995/12/28 00:22:16 asami Exp $ */ 213070Sasami 313044Sasami/* $NetBSD: ccdconfig.c,v 1.2.2.1 1995/11/11 02:43:35 thorpej Exp $ */ 413044Sasami 513044Sasami/* 613044Sasami * Copyright (c) 1995 Jason R. Thorpe. 713044Sasami * All rights reserved. 813044Sasami * 913044Sasami * Redistribution and use in source and binary forms, with or without 1013044Sasami * modification, are permitted provided that the following conditions 1113044Sasami * are met: 1213044Sasami * 1. Redistributions of source code must retain the above copyright 1313044Sasami * notice, this list of conditions and the following disclaimer. 1413044Sasami * 2. Redistributions in binary form must reproduce the above copyright 1513044Sasami * notice, this list of conditions and the following disclaimer in the 1613044Sasami * documentation and/or other materials provided with the distribution. 1713044Sasami * 3. All advertising materials mentioning features or use of this software 1813044Sasami * must display the following acknowledgement: 1913044Sasami * This product includes software developed for the NetBSD Project 2013044Sasami * by Jason R. Thorpe. 2113044Sasami * 4. The name of the author may not be used to endorse or promote products 2213044Sasami * derived from this software without specific prior written permission. 2313044Sasami * 2413044Sasami * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 2513044Sasami * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 2613044Sasami * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 2713044Sasami * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 2813044Sasami * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 2913044Sasami * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 3013044Sasami * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 3113044Sasami * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 3213044Sasami * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3313044Sasami * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3413044Sasami * SUCH DAMAGE. 3513044Sasami */ 3613044Sasami 3713044Sasami#include <sys/param.h> 3813044Sasami#include <sys/ioctl.h> 3913044Sasami#include <sys/disklabel.h> 4013044Sasami#include <sys/device.h> 4113044Sasami#include <sys/disk.h> 4213044Sasami#include <sys/stat.h> 4313044Sasami#include <sys/sysctl.h> 4413044Sasami#include <ctype.h> 4513044Sasami#include <err.h> 4613044Sasami#include <errno.h> 4713044Sasami#include <fcntl.h> 4813044Sasami#include <kvm.h> 4913044Sasami#include <limits.h> 5013044Sasami#include <nlist.h> 5113044Sasami#include <stdio.h> 5213044Sasami#include <stdlib.h> 5313044Sasami#include <string.h> 5413044Sasami#include <unistd.h> 5513044Sasami 5613052Sasami#include <sys/ccdvar.h> 5713044Sasami 5813044Sasami#include "pathnames.h" 5913044Sasami 6013044Sasamiextern char *__progname; 6113044Sasami 6213044Sasamistatic int lineno = 0; 6313044Sasamistatic int verbose = 0; 6413044Sasamistatic char *ccdconf = _PATH_CCDCONF; 6513044Sasami 6613044Sasamistatic char *core = NULL; 6713044Sasamistatic char *kernel = NULL; 6813044Sasami 6913044Sasamistruct flagval { 7013044Sasami char *fv_flag; 7113044Sasami int fv_val; 7213044Sasami} flagvaltab[] = { 7313044Sasami { "CCDF_SWAP", CCDF_SWAP }, 7413044Sasami { "CCDF_UNIFORM", CCDF_UNIFORM }, 7513762Sasami { "CCDF_MIRROR", CCDF_MIRROR }, 7613762Sasami { "CCDF_PARITY", CCDF_PARITY }, 7713044Sasami { NULL, 0 }, 7813044Sasami}; 7913044Sasami 8013044Sasamistatic struct nlist nl[] = { 8113044Sasami { "_ccd_softc" }, 8213044Sasami#define SYM_CCDSOFTC 0 8313044Sasami { "_numccd" }, 8413044Sasami#define SYM_NUMCCD 1 8513044Sasami { NULL }, 8613044Sasami}; 8713044Sasami 8813044Sasami#define CCD_CONFIG 0 /* configure a device */ 8913044Sasami#define CCD_CONFIGALL 1 /* configure all devices */ 9013044Sasami#define CCD_UNCONFIG 2 /* unconfigure a device */ 9113044Sasami#define CCD_UNCONFIGALL 3 /* unconfigure all devices */ 9213044Sasami#define CCD_DUMP 4 /* dump a ccd's configuration */ 9313044Sasami 9413044Sasamistatic int checkdev __P((char *)); 9513044Sasamistatic int do_io __P((char *, u_long, struct ccd_ioctl *)); 9613044Sasamistatic int do_single __P((int, char **, int)); 9713044Sasamistatic int do_all __P((int)); 9813044Sasamistatic int dump_ccd __P((int, char **)); 9913044Sasamistatic int getmaxpartitions __P((void)); 10013044Sasamistatic int getrawpartition __P((void)); 10113044Sasamistatic int flags_to_val __P((char *)); 10213044Sasamistatic int pathtodevt __P((char *, dev_t *)); 10313044Sasamistatic void print_ccd_info __P((struct ccd_softc *, kvm_t *)); 10413044Sasamistatic char *resolve_ccdname __P((char *)); 10513044Sasamistatic void usage __P((void)); 10613044Sasami 10713044Sasamiint 10813044Sasamimain(argc, argv) 10913044Sasami int argc; 11013044Sasami char **argv; 11113044Sasami{ 11213044Sasami int ch, options = 0, action = CCD_CONFIG; 11313044Sasami 11413044Sasami while ((ch = getopt(argc, argv, "cCf:gM:N:uUv")) != -1) { 11513044Sasami switch (ch) { 11613044Sasami case 'c': 11713044Sasami action = CCD_CONFIG; 11813044Sasami ++options; 11913044Sasami break; 12013044Sasami 12113044Sasami case 'C': 12213044Sasami action = CCD_CONFIGALL; 12313044Sasami ++options; 12413044Sasami break; 12513044Sasami 12613044Sasami case 'f': 12713044Sasami ccdconf = optarg; 12813044Sasami break; 12913044Sasami 13013044Sasami case 'g': 13113044Sasami action = CCD_DUMP; 13213044Sasami break; 13313044Sasami 13413044Sasami case 'M': 13513044Sasami core = optarg; 13613044Sasami break; 13713044Sasami 13813044Sasami case 'N': 13913044Sasami kernel = optarg; 14013044Sasami break; 14113044Sasami 14213044Sasami case 'u': 14313044Sasami action = CCD_UNCONFIG; 14413044Sasami ++options; 14513044Sasami break; 14613044Sasami 14713044Sasami case 'U': 14813044Sasami action = CCD_UNCONFIGALL; 14913044Sasami ++options; 15013044Sasami break; 15113044Sasami 15213044Sasami case 'v': 15313044Sasami verbose = 1; 15413044Sasami break; 15513044Sasami 15613044Sasami default: 15713044Sasami usage(); 15813044Sasami } 15913044Sasami } 16013044Sasami argc -= optind; 16113044Sasami argv += optind; 16213044Sasami 16313044Sasami if (options > 1) 16413044Sasami usage(); 16513044Sasami 16613044Sasami switch (action) { 16713044Sasami case CCD_CONFIG: 16813044Sasami case CCD_UNCONFIG: 16913044Sasami exit(do_single(argc, argv, action)); 17013044Sasami /* NOTREACHED */ 17113044Sasami 17213044Sasami case CCD_CONFIGALL: 17313044Sasami case CCD_UNCONFIGALL: 17413044Sasami exit(do_all(action)); 17513044Sasami /* NOTREACHED */ 17613044Sasami 17713044Sasami case CCD_DUMP: 17813044Sasami exit(dump_ccd(argc, argv)); 17913044Sasami /* NOTREACHED */ 18013044Sasami } 18113044Sasami /* NOTREACHED */ 18213044Sasami} 18313044Sasami 18413044Sasamistatic int 18513044Sasamido_single(argc, argv, action) 18613044Sasami int argc; 18713044Sasami char **argv; 18813044Sasami int action; 18913044Sasami{ 19013044Sasami struct ccd_ioctl ccio; 19113044Sasami char *ccd, *cp, *cp2, **disks; 19213044Sasami int noflags = 0, i, ileave, flags, j, error; 19313044Sasami 19413044Sasami bzero(&ccio, sizeof(ccio)); 19513044Sasami 19613044Sasami /* 19713044Sasami * If unconfiguring, all arguments are treated as ccds. 19813044Sasami */ 19913044Sasami if (action == CCD_UNCONFIG || action == CCD_UNCONFIGALL) { 20013044Sasami for (i = 0; argc != 0; ) { 20113044Sasami cp = *argv++; --argc; 20213044Sasami if ((ccd = resolve_ccdname(cp)) == NULL) { 20313044Sasami warnx("invalid ccd name: %s", cp); 20413044Sasami i = 1; 20513044Sasami continue; 20613044Sasami } 20713044Sasami if (do_io(ccd, CCDIOCCLR, &ccio)) 20813044Sasami i = 1; 20913044Sasami else 21013044Sasami if (verbose) 21113044Sasami printf("%s unconfigured\n", cp); 21213044Sasami } 21313044Sasami return (i); 21413044Sasami } 21513044Sasami 21613044Sasami /* Make sure there are enough arguments. */ 21713044Sasami if (argc < 4) 21813044Sasami if (argc == 3) { 21913044Sasami /* Assume that no flags are specified. */ 22013044Sasami noflags = 1; 22113044Sasami } else { 22213044Sasami if (action == CCD_CONFIGALL) { 22313044Sasami warnx("%s: bad line: %d", ccdconf, lineno); 22413044Sasami return (1); 22513044Sasami } else 22613044Sasami usage(); 22713044Sasami } 22813044Sasami 22913044Sasami /* First argument is the ccd to configure. */ 23013044Sasami cp = *argv++; --argc; 23113044Sasami if ((ccd = resolve_ccdname(cp)) == NULL) { 23213044Sasami warnx("invalid ccd name: %s", cp); 23313044Sasami return (1); 23413044Sasami } 23513044Sasami 23613044Sasami /* Next argument is the interleave factor. */ 23713044Sasami cp = *argv++; --argc; 23813044Sasami errno = 0; /* to check for ERANGE */ 23913044Sasami ileave = (int)strtol(cp, &cp2, 10); 24013044Sasami if ((errno == ERANGE) || (ileave < 0) || (*cp2 != '\0')) { 24113044Sasami warnx("invalid interleave factor: %s", cp); 24213044Sasami return (1); 24313044Sasami } 24413044Sasami 24513044Sasami if (noflags == 0) { 24613044Sasami /* Next argument is the ccd configuration flags. */ 24713044Sasami cp = *argv++; --argc; 24813044Sasami if ((flags = flags_to_val(cp)) < 0) { 24913044Sasami warnx("invalid flags argument: %s", cp); 25013044Sasami return (1); 25113044Sasami } 25213044Sasami } 25313044Sasami 25413044Sasami /* Next is the list of disks to make the ccd from. */ 25513044Sasami disks = malloc(argc * sizeof(char *)); 25613044Sasami if (disks == NULL) { 25713044Sasami warnx("no memory to configure ccd"); 25813044Sasami return (1); 25913044Sasami } 26013044Sasami for (i = 0; argc != 0; ) { 26113044Sasami cp = *argv++; --argc; 26213044Sasami if ((j = checkdev(cp)) == 0) 26313044Sasami disks[i++] = cp; 26413044Sasami else { 26513044Sasami warnx("%s: %s", cp, strerror(j)); 26613044Sasami return (1); 26713044Sasami } 26813044Sasami } 26913044Sasami 27013044Sasami /* Fill in the ccio. */ 27113044Sasami ccio.ccio_disks = disks; 27213044Sasami ccio.ccio_ndisks = i; 27313044Sasami ccio.ccio_ileave = ileave; 27413044Sasami ccio.ccio_flags = flags; 27513044Sasami 27613044Sasami if (do_io(ccd, CCDIOCSET, &ccio)) { 27713044Sasami free(disks); 27813044Sasami return (1); 27913044Sasami } 28013044Sasami 28113044Sasami if (verbose) { 28213044Sasami printf("ccd%d: %d components ", ccio.ccio_unit, 28313044Sasami ccio.ccio_ndisks); 28413044Sasami for (i = 0; i < ccio.ccio_ndisks; ++i) { 28513044Sasami if ((cp2 = strrchr(disks[i], '/')) != NULL) 28613044Sasami ++cp2; 28713044Sasami else 28813044Sasami cp2 = disks[i]; 28913044Sasami printf("%c%s%c", 29013044Sasami i == 0 ? '(' : ' ', cp2, 29113044Sasami i == ccio.ccio_ndisks - 1 ? ')' : ','); 29213044Sasami } 29313044Sasami printf(", %d blocks ", ccio.ccio_size); 29413044Sasami if (ccio.ccio_ileave != 0) 29513044Sasami printf("interleaved at %d blocks\n", ccio.ccio_ileave); 29613044Sasami else 29713044Sasami printf("concatenated\n"); 29813044Sasami } 29913044Sasami 30013044Sasami free(disks); 30113044Sasami return (0); 30213044Sasami} 30313044Sasami 30413044Sasamistatic int 30513044Sasamido_all(action) 30613044Sasami int action; 30713044Sasami{ 30813044Sasami FILE *f; 30913044Sasami char line[_POSIX2_LINE_MAX]; 31013044Sasami char *cp, **argv; 31113044Sasami int argc, rval; 31213044Sasami 31313044Sasami if ((f = fopen(ccdconf, "r")) == NULL) { 31413044Sasami warn("fopen: %s", ccdconf); 31513044Sasami return (1); 31613044Sasami } 31713044Sasami 31813044Sasami while (fgets(line, sizeof(line), f) != NULL) { 31913044Sasami argc = 0; 32013044Sasami argv = NULL; 32113044Sasami ++lineno; 32213044Sasami if ((cp = strrchr(line, '\n')) != NULL) 32313044Sasami *cp = '\0'; 32413044Sasami 32513044Sasami /* Break up the line and pass it's contents to do_single(). */ 32613044Sasami if (line[0] == '\0') 32713044Sasami goto end_of_line; 32813044Sasami for (cp = line; (cp = strtok(cp, " \t")) != NULL; cp = NULL) { 32913044Sasami if (*cp == '#') 33013044Sasami break; 33113044Sasami if ((argv = realloc(argv, 33213044Sasami sizeof(char *) * ++argc)) == NULL) { 33313044Sasami warnx("no memory to configure ccds"); 33413044Sasami return (1); 33513044Sasami } 33613044Sasami argv[argc - 1] = cp; 33713044Sasami /* 33813044Sasami * If our action is to unconfigure all, then pass 33913044Sasami * just the first token to do_single() and ignore 34013044Sasami * the rest. Since this will be encountered on 34113044Sasami * our first pass through the line, the Right 34213044Sasami * Thing will happen. 34313044Sasami */ 34413044Sasami if (action == CCD_UNCONFIGALL) { 34513044Sasami if (do_single(argc, argv, action)) 34613044Sasami rval = 1; 34713044Sasami goto end_of_line; 34813044Sasami } 34913044Sasami } 35013044Sasami if (argc != 0) 35113044Sasami if (do_single(argc, argv, action)) 35213044Sasami rval = 1; 35313044Sasami 35413044Sasami end_of_line: 35513044Sasami if (argv != NULL) 35613044Sasami free(argv); 35713044Sasami } 35813044Sasami 35913044Sasami (void)fclose(f); 36013044Sasami return (rval); 36113044Sasami} 36213044Sasami 36313044Sasamistatic int 36413044Sasamicheckdev(path) 36513044Sasami char *path; 36613044Sasami{ 36713044Sasami struct stat st; 36813044Sasami 36913044Sasami if (stat(path, &st) != 0) 37013044Sasami return (errno); 37113044Sasami 37213044Sasami if (!S_ISBLK(st.st_mode) && !S_ISCHR(st.st_mode)) 37313044Sasami return (EINVAL); 37413044Sasami 37513044Sasami return (0); 37613044Sasami} 37713044Sasami 37813044Sasamistatic int 37913044Sasamipathtounit(path, unitp) 38013044Sasami char *path; 38113044Sasami int *unitp; 38213044Sasami{ 38313044Sasami struct stat st; 38413044Sasami dev_t dev; 38513044Sasami int maxpartitions; 38613044Sasami 38713044Sasami if (stat(path, &st) != 0) 38813044Sasami return (errno); 38913044Sasami 39013044Sasami if (!S_ISBLK(st.st_mode) && !S_ISCHR(st.st_mode)) 39113044Sasami return (EINVAL); 39213044Sasami 39313044Sasami if ((maxpartitions = getmaxpartitions()) < 0) 39413044Sasami return (errno); 39513044Sasami 39613044Sasami *unitp = minor(st.st_rdev) / maxpartitions; 39713044Sasami 39813044Sasami return (0); 39913044Sasami} 40013044Sasami 40113044Sasamistatic char * 40213044Sasamiresolve_ccdname(name) 40313044Sasami char *name; 40413044Sasami{ 40513044Sasami char c, *cp, *path; 40613044Sasami size_t len, newlen; 40713044Sasami int rawpart; 40813044Sasami 40913044Sasami if (name[0] == '/' || name[0] == '.') { 41013044Sasami /* Assume they gave the correct pathname. */ 41113044Sasami return (strdup(name)); 41213044Sasami } 41313044Sasami 41413044Sasami len = strlen(name); 41513044Sasami c = name[len - 1]; 41613044Sasami 41713044Sasami newlen = len + 8; 41813044Sasami if ((path = malloc(newlen)) == NULL) 41913044Sasami return (NULL); 42013044Sasami bzero(path, newlen); 42113044Sasami 42213044Sasami if (isdigit(c)) { 42313044Sasami if ((rawpart = getrawpartition()) < 0) { 42413044Sasami free(path); 42513044Sasami return (NULL); 42613044Sasami } 42713044Sasami (void)sprintf(path, "/dev/%s%c", name, 'a' + rawpart); 42813044Sasami } else 42913044Sasami (void)sprintf(path, "/dev/%s", name); 43013044Sasami 43113044Sasami return (path); 43213044Sasami} 43313044Sasami 43413044Sasamistatic int 43513044Sasamido_io(path, cmd, cciop) 43613044Sasami char *path; 43713044Sasami u_long cmd; 43813044Sasami struct ccd_ioctl *cciop; 43913044Sasami{ 44013044Sasami int fd; 44113044Sasami char *cp; 44213044Sasami 44313044Sasami if ((fd = open(path, O_RDWR, 0640)) < 0) { 44413044Sasami warn("open: %s", path); 44513044Sasami return (1); 44613044Sasami } 44713044Sasami 44813044Sasami if (ioctl(fd, cmd, cciop) < 0) { 44913044Sasami switch (cmd) { 45013044Sasami case CCDIOCSET: 45113044Sasami cp = "CCDIOCSET"; 45213044Sasami break; 45313044Sasami 45413044Sasami case CCDIOCCLR: 45513044Sasami cp = "CCDIOCCLR"; 45613044Sasami break; 45713044Sasami 45813044Sasami default: 45913044Sasami cp = "unknown"; 46013044Sasami } 46113044Sasami warn("ioctl (%s): %s", cp, path); 46213044Sasami return (1); 46313044Sasami } 46413044Sasami 46513044Sasami return (0); 46613044Sasami} 46713044Sasami 46813044Sasami#define KVM_ABORT(kd, str) { \ 46913044Sasami (void)kvm_close((kd)); \ 47013044Sasami warnx((str)); \ 47113044Sasami warnx(kvm_geterr((kd))); \ 47213044Sasami return (1); \ 47313044Sasami} 47413044Sasami 47513044Sasamistatic int 47613044Sasamidump_ccd(argc, argv) 47713044Sasami int argc; 47813044Sasami char **argv; 47913044Sasami{ 48013044Sasami char errbuf[_POSIX2_LINE_MAX], *ccd, *cp; 48113044Sasami struct ccd_softc *cs, *kcs; 48213044Sasami size_t readsize; 48313044Sasami int i, error, numccd, numconfiged = 0; 48413044Sasami kvm_t *kd; 48513044Sasami 48613044Sasami bzero(errbuf, sizeof(errbuf)); 48713044Sasami 48813044Sasami if ((kd = kvm_openfiles(kernel, core, NULL, O_RDONLY, 48913044Sasami errbuf)) == NULL) { 49013044Sasami warnx("can't open kvm: %s", errbuf); 49113044Sasami return (1); 49213044Sasami } 49313044Sasami 49413044Sasami if (kvm_nlist(kd, nl)) 49513044Sasami KVM_ABORT(kd, "ccd-related symbols not available"); 49613044Sasami 49713044Sasami /* Check to see how many ccds are currently configured. */ 49813044Sasami if (kvm_read(kd, nl[SYM_NUMCCD].n_value, (char *)&numccd, 49913044Sasami sizeof(numccd)) != sizeof(numccd)) 50013044Sasami KVM_ABORT(kd, "can't determine number of configured ccds"); 50113044Sasami 50213044Sasami if (numccd == 0) { 50313044Sasami printf("ccd driver in kernel, but is uninitialized\n"); 50413044Sasami goto done; 50513044Sasami } 50613044Sasami 50713044Sasami /* Allocate space for the configuration data. */ 50813044Sasami readsize = numccd * sizeof(struct ccd_softc); 50913044Sasami if ((cs = malloc(readsize)) == NULL) { 51013044Sasami warnx("no memory for configuration data"); 51113044Sasami goto bad; 51213044Sasami } 51313044Sasami bzero(cs, readsize); 51413044Sasami 51513044Sasami /* 51613044Sasami * Read the ccd configuration data from the kernel and dump 51713044Sasami * it to stdout. 51813044Sasami */ 51913044Sasami if (kvm_read(kd, nl[SYM_CCDSOFTC].n_value, (char *)&kcs, 52013044Sasami sizeof(kcs)) != sizeof(kcs)) { 52113044Sasami free(cs); 52213044Sasami KVM_ABORT(kd, "can't find pointer to configuration data"); 52313044Sasami } 52413044Sasami if (kvm_read(kd, (u_long)kcs, (char *)cs, readsize) != readsize) { 52513044Sasami free(cs); 52613044Sasami KVM_ABORT(kd, "can't read configuration data"); 52713044Sasami } 52813044Sasami 52913044Sasami if (argc == 0) { 53013044Sasami for (i = 0; i < numccd; ++i) 53113044Sasami if (cs[i].sc_flags & CCDF_INITED) { 53213044Sasami ++numconfiged; 53313044Sasami print_ccd_info(&cs[i], kd); 53413044Sasami } 53513044Sasami 53613044Sasami if (numconfiged == 0) 53713044Sasami printf("no concatenated disks configured\n"); 53813044Sasami } else { 53913044Sasami while (argc) { 54013044Sasami cp = *argv++; --argc; 54113044Sasami if ((ccd = resolve_ccdname(cp)) == NULL) { 54213044Sasami warnx("invalid ccd name: %s", cp); 54313044Sasami continue; 54413044Sasami } 54513044Sasami if ((error = pathtounit(ccd, &i)) != 0) { 54613044Sasami warnx("%s: %s", ccd, strerror(error)); 54713044Sasami continue; 54813044Sasami } 54913044Sasami if (i >= numccd) { 55013044Sasami warnx("ccd%d not configured", i); 55113044Sasami continue; 55213044Sasami } 55313044Sasami if (cs[i].sc_flags & CCDF_INITED) 55413044Sasami print_ccd_info(&cs[i], kd); 55513044Sasami else 55613044Sasami printf("ccd%d not configured\n", i); 55713044Sasami } 55813044Sasami } 55913044Sasami 56013044Sasami free(cs); 56113044Sasami 56213044Sasami done: 56313044Sasami (void)kvm_close(kd); 56413044Sasami return (0); 56513044Sasami 56613044Sasami bad: 56713044Sasami (void)kvm_close(kd); 56813044Sasami return (1); 56913044Sasami} 57013044Sasami 57113044Sasamistatic void 57213044Sasamiprint_ccd_info(cs, kd) 57313044Sasami struct ccd_softc *cs; 57413044Sasami kvm_t *kd; 57513044Sasami{ 57613044Sasami static int header_printed = 0; 57713044Sasami struct ccdcinfo *cip; 57813044Sasami size_t readsize; 57913044Sasami char path[MAXPATHLEN]; 58013044Sasami int i; 58113044Sasami 58213044Sasami if (header_printed == 0 && verbose) { 58313044Sasami printf("# ccd\t\tileave\tflags\tcompnent devices\n"); 58413044Sasami header_printed = 1; 58513044Sasami } 58613044Sasami 58713044Sasami readsize = cs->sc_nccdisks * sizeof(struct ccdcinfo); 58813044Sasami if ((cip = malloc(readsize)) == NULL) { 58913044Sasami warn("ccd%d: can't allocate memory for component info", 59013044Sasami cs->sc_unit); 59113044Sasami return; 59213044Sasami } 59313044Sasami bzero(cip, readsize); 59413044Sasami 59513044Sasami /* Dump out softc information. */ 59613044Sasami printf("ccd%d\t\t%d\t%d\t", cs->sc_unit, cs->sc_ileave, 59713044Sasami cs->sc_cflags & CCDF_USERMASK); 59813044Sasami fflush(stdout); 59913044Sasami 60013044Sasami /* Read in the component info. */ 60113044Sasami if (kvm_read(kd, (u_long)cs->sc_cinfo, (char *)cip, 60213044Sasami readsize) != readsize) { 60313044Sasami printf("\n"); 60413044Sasami warnx("can't read component info"); 60513044Sasami warnx(kvm_geterr(kd)); 60613044Sasami goto done; 60713044Sasami } 60813044Sasami 60913044Sasami /* Read component pathname and display component info. */ 61013044Sasami for (i = 0; i < cs->sc_nccdisks; ++i) { 61113044Sasami if (kvm_read(kd, (u_long)cip[i].ci_path, (char *)path, 61213044Sasami cip[i].ci_pathlen) != cip[i].ci_pathlen) { 61313044Sasami printf("\n"); 61413044Sasami warnx("can't read component pathname"); 61513044Sasami warnx(kvm_geterr(kd)); 61613044Sasami goto done; 61713044Sasami } 61813044Sasami printf((i + 1 < cs->sc_nccdisks) ? "%s " : "%s\n", path); 61913044Sasami fflush(stdout); 62013044Sasami } 62113044Sasami 62213044Sasami done: 62313044Sasami free(cip); 62413044Sasami} 62513044Sasami 62613044Sasamistatic int 62713044Sasamigetmaxpartitions() 62813044Sasami{ 62913052Sasami return (MAXPARTITIONS); 63013044Sasami} 63113044Sasami 63213044Sasamistatic int 63313044Sasamigetrawpartition() 63413044Sasami{ 63513052Sasami return (RAW_PART); 63613044Sasami} 63713044Sasami 63813044Sasamistatic int 63913044Sasamiflags_to_val(flags) 64013044Sasami char *flags; 64113044Sasami{ 64213044Sasami char *cp, *tok; 64313044Sasami int i, tmp, val = ~CCDF_USERMASK; 64413044Sasami size_t flagslen; 64513044Sasami 64613044Sasami /* 64713044Sasami * The most common case is that of NIL flags, so check for 64813044Sasami * those first. 64913044Sasami */ 65013044Sasami if (strcmp("none", flags) == 0 || strcmp("0x0", flags) == 0 || 65113044Sasami strcmp("0", flags) == 0) 65213044Sasami return (0); 65313044Sasami 65413044Sasami flagslen = strlen(flags); 65513044Sasami 65613044Sasami /* Check for values represented by strings. */ 65713044Sasami if ((cp = strdup(flags)) == NULL) 65813044Sasami err(1, "no memory to parse flags"); 65913044Sasami tmp = 0; 66013044Sasami for (tok = cp; (tok = strtok(tok, ",")) != NULL; tok = NULL) { 66113044Sasami for (i = 0; flagvaltab[i].fv_flag != NULL; ++i) 66213044Sasami if (strcmp(tok, flagvaltab[i].fv_flag) == 0) 66313044Sasami break; 66413044Sasami if (flagvaltab[i].fv_flag == NULL) { 66513044Sasami free(cp); 66613044Sasami goto bad_string; 66713044Sasami } 66813044Sasami tmp |= flagvaltab[i].fv_val; 66913044Sasami } 67013044Sasami 67113044Sasami /* If we get here, the string was ok. */ 67213044Sasami free(cp); 67313044Sasami val = tmp; 67413044Sasami goto out; 67513044Sasami 67613044Sasami bad_string: 67713044Sasami 67813044Sasami /* Check for values represented in hex. */ 67913044Sasami if (flagslen > 2 && flags[0] == '0' && flags[1] == 'x') { 68013044Sasami errno = 0; /* to check for ERANGE */ 68113044Sasami val = (int)strtol(&flags[2], &cp, 16); 68213044Sasami if ((errno == ERANGE) || (*cp != '\0')) 68313044Sasami return (-1); 68413044Sasami goto out; 68513044Sasami } 68613044Sasami 68713044Sasami /* Check for values represented in decimal. */ 68813044Sasami errno = 0; /* to check for ERANGE */ 68913044Sasami val = (int)strtol(flags, &cp, 10); 69013044Sasami if ((errno == ERANGE) || (*cp != '\0')) 69113044Sasami return (-1); 69213044Sasami 69313044Sasami out: 69413044Sasami return (((val & ~CCDF_USERMASK) == 0) ? val : -1); 69513044Sasami} 69613044Sasami 69713044Sasamistatic void 69813044Sasamiusage() 69913044Sasami{ 70013044Sasami 70113044Sasami fprintf(stderr, "usage: %s [-cv] ccd ileave [flags] %s\n", __progname, 70213044Sasami "dev [...]"); 70313044Sasami fprintf(stderr, " %s -C [-v] [-f config_file]\n", __progname); 70413044Sasami fprintf(stderr, " %s -u [-v] ccd [...]\n", __progname); 70513044Sasami fprintf(stderr, " %s -U [-v] [-f config_file]\n", __progname); 70613044Sasami fprintf(stderr, " %s -g [-M core] [-N system] %s\n", __progname, 70713044Sasami "[ccd [...]]"); 70813044Sasami exit(1); 70913044Sasami} 71013052Sasami 71113052Sasami/* Local Variables: */ 71213052Sasami/* c-argdecl-indent: 8 */ 71313052Sasami/* c-indent-level: 8 */ 71413052Sasami/* End: */ 715