db6ddd3598
sufficient to transfer all the data from stdin, or to stdout. Working on pipes causes further fragmentation.
975 lines
19 KiB
C
975 lines
19 KiB
C
/*
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* Written By Julian ELischer
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* Copyright julian Elischer 1993.
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* Permission is granted to use or redistribute this file in any way as long
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* as this notice remains. Julian Elischer does not guarantee that this file
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* is totally correct for any given task and users of this file must
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* accept responsibility for any damage that occurs from the application of this
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* file.
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*
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* (julian@tfs.com julian@dialix.oz.au)
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*
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* User SCSI hooks added by Peter Dufault:
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*
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* Copyright (c) 1994 HD Associates
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* (contact: dufault@hda.com)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of HD Associates
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* may not be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: scsi.c,v 1.10 1995/07/30 12:58:47 joerg Exp $
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include <sys/scsiio.h>
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#include <sys/file.h>
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#include <scsi.h>
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#include <ctype.h>
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#include <signal.h>
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int fd;
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int debuglevel;
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int debugflag;
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int commandflag;
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int reprobe;
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int probe_all;
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int verbose = 0;
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int bus = -1; /* all busses */
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int targ = -1; /* all targs */
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int lun = 0; /* just lun 0 */
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int freeze = 0; /* Freeze this many seconds */
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int modeflag;
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int editflag;
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int modepage = 0; /* Read this mode page */
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int pagectl = 0; /* Mode sense page control */
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int seconds = 2;
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void usage(void)
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{
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printf(
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"Usage:\n"
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"\n"
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" scsi -f device -d debug_level # To set debug level\n"
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" scsi -f device [-v] -z seconds # To freeze bus\n"
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" scsi -f device -m page [-P pc] # To read mode pages\n"
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" scsi -f device -p [-b bus] [-l lun] # To probe all devices\n"
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" scsi -f device -r [-b bus] [-t targ] [-l lun] # To reprobe a device\n"
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" scsi -f device [-v] [-s seconds] -c cmd_fmt [arg0 ... argn] # A command...\n"
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" -o count out_fmt [arg0 ... argn] # EITHER (data out)\n"
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" -i count in_fmt # OR (data in)\n"
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"\n"
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"\"out_fmt\" can be \"-\" to read output data from stdin;\n"
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"\"in_fmt\" can be \"-\" to write input data to stdout;\n"
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"\n"
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"If debugging is not compiled in the kernel, \"-d\" will have no effect\n"
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);
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exit (1);
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}
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void procargs(int *argc_p, char ***argv_p)
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{
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int argc = *argc_p;
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char **argv = *argv_p;
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extern char *optarg;
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extern int optind;
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int fflag,
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ch;
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fflag = 0;
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commandflag = 0;
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debugflag = 0;
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while ((ch = getopt(argc, argv, "ceprvf:d:b:t:l:z:m:P:s:")) != EOF) {
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switch (ch) {
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case 'p':
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probe_all = 1;
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break;
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case 'r':
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reprobe = 1;
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break;
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case 'c':
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commandflag = 1;
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break;
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case 'v':
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verbose = 1;
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break;
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case 'e':
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editflag = 1;
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break;
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case 'f':
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if ((fd = scsi_open(optarg, O_RDWR)) < 0) {
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(void) fprintf(stderr,
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"%s: unable to open device %s: %s\n",
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argv[0], optarg, strerror(errno));
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exit(errno);
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}
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fflag = 1;
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break;
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case 'd':
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debuglevel = strtol(optarg, 0, 0);
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debugflag = 1;
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break;
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case 'b':
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bus = strtol(optarg, 0, 0);
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break;
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case 't':
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targ = strtol(optarg, 0, 0);
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break;
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case 'l':
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lun = strtol(optarg, 0, 0);
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break;
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case 'z':
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freeze = strtol(optarg, 0, 0);
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break;
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case 'P':
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pagectl = strtol(optarg, 0, 0);
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break;
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case 's':
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seconds = strtol(optarg, 0, 0);
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break;
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case 'm':
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modeflag = 1;
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modepage = strtol(optarg, 0, 0);
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break;
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case '?':
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default:
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usage();
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}
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}
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*argc_p = argc - optind;
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*argv_p = argv + optind;
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if (!fflag) usage();
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}
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/* get_hook: Structure for evaluating args in a callback.
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*/
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struct get_hook
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{
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int argc;
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char **argv;
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int got;
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};
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/* iget: Integer argument callback
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*/
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int iget(void *hook, char *name)
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{
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struct get_hook *h = (struct get_hook *)hook;
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int arg;
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if (h->got >= h->argc)
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{
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fprintf(stderr, "Expecting an integer argument.\n");
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usage();
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}
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arg = strtol(h->argv[h->got], 0, 0);
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h->got++;
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if (verbose && name && *name)
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printf("%s: %d\n", name, arg);
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return arg;
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}
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/* cget: char * argument callback
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*/
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char *cget(void *hook, char *name)
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{
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struct get_hook *h = (struct get_hook *)hook;
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char *arg;
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if (h->got >= h->argc)
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{
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fprintf(stderr, "Expecting a character pointer argument.\n");
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usage();
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}
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arg = h->argv[h->got];
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h->got++;
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if (verbose && name)
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printf("cget: %s: %s", name, arg);
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return arg;
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}
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/* arg_put: "put argument" callback
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*/
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void arg_put(void *hook, int letter, void *arg, int count, char *name)
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{
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if (verbose && name && *name)
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printf("%s: ", name);
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switch(letter)
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{
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case 'i':
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case 'b':
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printf("%d ", (int)arg);
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break;
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case 'c':
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case 'z':
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{
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char *p = malloc(count + 1);
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p[count] = 0;
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strncpy(p, (char *)arg, count);
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if (letter == 'z')
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{
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int i;
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for (i = count - 1; i >= 0; i--)
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if (p[i] == ' ')
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p[i] = 0;
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else
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break;
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}
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printf("%s ", p);
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}
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break;
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default:
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printf("Unknown format letter: '%c'\n", letter);
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}
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if (verbose)
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putchar('\n');
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}
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int arg_get (void *hook, char *field_name)
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{
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printf("get \"%s\".\n", field_name);
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return 0;
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}
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|
/* data_phase: SCSI bus data phase: DATA IN, DATA OUT, or no data transfer.
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*/
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|
enum data_phase {none = 0, in, out};
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/* do_cmd: Send a command to a SCSI device
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|
*/
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|
static void
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do_cmd(int fd, char *fmt, int argc, char **argv)
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|
{
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struct get_hook h;
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scsireq_t *scsireq = scsireq_new();
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enum data_phase data_phase;
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int count, amount;
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char *data_fmt, *bp;
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h.argc = argc;
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h.argv = argv;
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h.got = 0;
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scsireq_reset(scsireq);
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scsireq_build_visit(scsireq, 0, 0, 0, fmt, iget, (void *)&h);
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/* Three choices here:
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* 1. We've used up all the args and have no data phase.
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* 2. We have input data ("-i")
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* 3. We have output data ("-o")
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*/
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if (h.got >= h.argc)
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{
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data_phase = none;
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count = scsireq->datalen = 0;
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}
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else
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{
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char *flag = cget(&h, 0);
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if (strcmp(flag, "-o") == 0)
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{
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data_phase = out;
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scsireq->flags = SCCMD_WRITE;
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}
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else if (strcmp(flag, "-i") == 0)
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{
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data_phase = in;
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scsireq->flags = SCCMD_READ;
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}
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else
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{
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fprintf(stderr,
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|
"Need either \"-i\" or \"-o\" for data phase; not \"%s\".\n", flag);
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usage();
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|
}
|
|
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|
count = scsireq->datalen = iget(&h, 0);
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|
if (count)
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|
{
|
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data_fmt = cget(&h, 0);
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|
|
|
scsireq->databuf = malloc(count);
|
|
|
|
if (data_phase == out)
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{
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if (strcmp(data_fmt, "-") == 0) /* Read data from stdin */
|
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{
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bp = (char *)scsireq->databuf;
|
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while (count > 0 && (amount = read(0, bp, count)) > 0)
|
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{
|
|
count -= amount;
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|
bp += amount;
|
|
}
|
|
if (amount == -1)
|
|
{
|
|
perror("read");
|
|
exit(errno);
|
|
}
|
|
else if (amount == 0)
|
|
{
|
|
/* early EOF */
|
|
fprintf(stderr,
|
|
"Warning: only read %lu bytes out of %lu.\n",
|
|
scsireq->datalen - (u_long)count,
|
|
scsireq->datalen);
|
|
scsireq->datalen -= (u_long)count;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
bzero(scsireq->databuf, count);
|
|
scsireq_encode_visit(scsireq, data_fmt, iget, (void *)&h);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
scsireq->timeout = seconds * 1000;
|
|
|
|
if (scsireq_enter(fd, scsireq) == -1)
|
|
{
|
|
scsi_debug(stderr, -1, scsireq);
|
|
exit(errno);
|
|
}
|
|
|
|
if (SCSIREQ_ERROR(scsireq))
|
|
scsi_debug(stderr, 0, scsireq);
|
|
|
|
if (count && data_phase == in)
|
|
{
|
|
if (strcmp(data_fmt, "-") == 0) /* stdout */
|
|
{
|
|
bp = (char *)scsireq->databuf;
|
|
while (count > 0 && (amount = write(1, bp, count)) > 0)
|
|
{
|
|
count -= amount;
|
|
bp += amount;
|
|
}
|
|
if (amount < 0)
|
|
{
|
|
perror("write");
|
|
exit(errno);
|
|
}
|
|
else if (amount == 0)
|
|
fprintf(stderr, "Warning: wrote only %d bytes out of %d.\n",
|
|
scsireq->datalen - count,
|
|
scsireq->datalen);
|
|
|
|
}
|
|
else
|
|
{
|
|
scsireq_decode_visit(scsireq, data_fmt, arg_put, 0);
|
|
putchar('\n');
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
freeze_ioctl(int fd, int op, void *data)
|
|
{
|
|
if (ioctl(fd, SCIOCFREEZE, 0) == -1) {
|
|
if (errno == ENODEV) {
|
|
fprintf(stderr,
|
|
"Your kernel must be configured with option SCSI_FREEZE.\n");
|
|
}
|
|
else
|
|
perror("SCIOCFREEZE");
|
|
exit(errno);
|
|
}
|
|
}
|
|
|
|
/* do_freeze: Freeze the bus for a given number of seconds.
|
|
*/
|
|
static void do_freeze(int seconds)
|
|
{
|
|
if (seconds == -1) {
|
|
printf("Hit return to thaw: ");
|
|
fflush(stdout);
|
|
sync();
|
|
|
|
freeze_ioctl(fd, SCIOCFREEZE, 0);
|
|
|
|
(void)getchar();
|
|
|
|
freeze_ioctl(fd, SCIOCTHAW, 0);
|
|
}
|
|
else {
|
|
sync();
|
|
freeze_ioctl(fd, SCIOCFREEZETHAW, &seconds);
|
|
if (verbose) {
|
|
putchar('\007');
|
|
fflush(stdout);
|
|
}
|
|
|
|
freeze_ioctl(fd, SCIOCWAITTHAW, 0);
|
|
if (verbose) {
|
|
putchar('\007');
|
|
fflush(stdout);
|
|
}
|
|
}
|
|
}
|
|
|
|
void mode_sense(int fd, u_char *data, int len, int pc, int page)
|
|
{
|
|
scsireq_t *scsireq;
|
|
|
|
bzero(data, len);
|
|
|
|
scsireq = scsireq_new();
|
|
|
|
if (scsireq_enter(fd, scsireq_build(scsireq,
|
|
len, data, SCCMD_READ,
|
|
"1A 0 v:2 {Page Control} v:6 {Page Code} 0 v:i1 {Allocation Length} 0",
|
|
pc, page, len)) == -1) /* Mode sense */
|
|
{
|
|
scsi_debug(stderr, -1, scsireq);
|
|
exit(errno);
|
|
}
|
|
|
|
if (SCSIREQ_ERROR(scsireq))
|
|
{
|
|
scsi_debug(stderr, 0, scsireq);
|
|
exit(-1);
|
|
}
|
|
|
|
free(scsireq);
|
|
}
|
|
|
|
void mode_select(int fd, u_char *data, int len, int perm)
|
|
{
|
|
scsireq_t *scsireq;
|
|
|
|
scsireq = scsireq_new();
|
|
|
|
if (scsireq_enter(fd, scsireq_build(scsireq,
|
|
len, data, SCCMD_WRITE,
|
|
"15 0:7 v:1 {SP} 0 0 v:i1 {Allocation Length} 0", perm, len)) == -1) /* Mode select */
|
|
{
|
|
scsi_debug(stderr, -1, scsireq);
|
|
exit(errno);
|
|
}
|
|
|
|
if (SCSIREQ_ERROR(scsireq))
|
|
{
|
|
scsi_debug(stderr, 0, scsireq);
|
|
exit(-1);
|
|
}
|
|
|
|
free(scsireq);
|
|
}
|
|
|
|
|
|
#define START_ENTRY '{'
|
|
#define END_ENTRY '}'
|
|
|
|
static void
|
|
skipwhite(FILE *f)
|
|
{
|
|
int c;
|
|
|
|
skip_again:
|
|
|
|
while (isspace(c = getc(f)))
|
|
;
|
|
|
|
if (c == '#') {
|
|
while ((c = getc(f)) != '\n' && c != EOF)
|
|
;
|
|
goto skip_again;
|
|
}
|
|
|
|
ungetc(c, f);
|
|
}
|
|
|
|
/* mode_lookup: Lookup a format description for a given page.
|
|
*/
|
|
char *mode_db = "/usr/share/misc/scsi_modes";
|
|
static char *mode_lookup(int page)
|
|
{
|
|
char *new_db;
|
|
FILE *modes;
|
|
int match, next, found, c;
|
|
static char fmt[1024]; /* XXX This should be with strealloc */
|
|
int page_desc;
|
|
new_db = getenv("SCSI_MODES");
|
|
|
|
if (new_db)
|
|
mode_db = new_db;
|
|
|
|
modes = fopen(mode_db, "r");
|
|
if (modes == 0)
|
|
return 0;
|
|
|
|
next = 0;
|
|
found = 0;
|
|
|
|
while (!found) {
|
|
|
|
skipwhite(modes);
|
|
|
|
if (fscanf(modes, "%i", &page_desc) != 1)
|
|
break;
|
|
|
|
if (page_desc == page)
|
|
found = 1;
|
|
|
|
skipwhite(modes);
|
|
if (getc(modes) != START_ENTRY) {
|
|
fprintf(stderr, "Expected %c.\n", START_ENTRY);
|
|
exit(-1);
|
|
}
|
|
|
|
match = 1;
|
|
while (match != 0) {
|
|
c = getc(modes);
|
|
if (c == EOF) {
|
|
fprintf(stderr, "Expected %c.\n", END_ENTRY);
|
|
}
|
|
|
|
if (c == START_ENTRY) {
|
|
match++;
|
|
}
|
|
if (c == END_ENTRY) {
|
|
match--;
|
|
if (match == 0)
|
|
break;
|
|
}
|
|
if (found && c != '\n') {
|
|
if (next >= sizeof(fmt)) {
|
|
fprintf(stderr, "Stupid program: Buffer overflow.\n");
|
|
exit(ENOMEM);
|
|
}
|
|
|
|
fmt[next++] = (u_char)c;
|
|
}
|
|
}
|
|
}
|
|
fmt[next] = 0;
|
|
|
|
return (found) ? fmt : 0;
|
|
}
|
|
|
|
/* -------- edit: Mode Select Editor ---------
|
|
*/
|
|
struct editinfo
|
|
{
|
|
int can_edit;
|
|
int default_value;
|
|
} editinfo[64]; /* XXX Bogus fixed size */
|
|
|
|
static int editind;
|
|
volatile int edit_opened;
|
|
static FILE *edit_file;
|
|
static char edit_name[L_tmpnam];
|
|
|
|
static inline void
|
|
edit_rewind(void)
|
|
{
|
|
editind = 0;
|
|
}
|
|
|
|
static void
|
|
edit_done(void)
|
|
{
|
|
int opened;
|
|
|
|
sigset_t all, prev;
|
|
sigfillset(&all);
|
|
|
|
(void)sigprocmask(SIG_SETMASK, &all, &prev);
|
|
|
|
opened = (int)edit_opened;
|
|
edit_opened = 0;
|
|
|
|
(void)sigprocmask(SIG_SETMASK, &prev, 0);
|
|
|
|
if (opened)
|
|
{
|
|
if (fclose(edit_file))
|
|
perror(edit_name);
|
|
if (unlink(edit_name))
|
|
perror(edit_name);
|
|
}
|
|
}
|
|
|
|
static void
|
|
edit_init(void)
|
|
{
|
|
edit_rewind();
|
|
if (tmpnam(edit_name) == 0) {
|
|
perror("tmpnam failed");
|
|
exit(errno);
|
|
}
|
|
if ( (edit_file = fopen(edit_name, "w")) == 0) {
|
|
perror(edit_name);
|
|
exit(errno);
|
|
}
|
|
edit_opened = 1;
|
|
|
|
atexit(edit_done);
|
|
}
|
|
|
|
static void
|
|
edit_check(void *hook, int letter, void *arg, int count, char *name)
|
|
{
|
|
if (letter != 'i' && letter != 'b') {
|
|
fprintf(stderr, "Can't edit format %c.\n", letter);
|
|
exit(-1);
|
|
}
|
|
|
|
if (editind >= sizeof(editinfo) / sizeof(editinfo[0])) {
|
|
fprintf(stderr, "edit table overflow\n");
|
|
exit(ENOMEM);
|
|
}
|
|
editinfo[editind].can_edit = ((int)arg != 0);
|
|
editind++;
|
|
}
|
|
|
|
static void
|
|
edit_defaults(void *hook, int letter, void *arg, int count, char *name)
|
|
{
|
|
if (letter != 'i' && letter != 'b') {
|
|
fprintf(stderr, "Can't edit format %c.\n", letter);
|
|
exit(-1);
|
|
}
|
|
|
|
editinfo[editind].default_value = ((int)arg);
|
|
editind++;
|
|
}
|
|
|
|
static void
|
|
edit_report(void *hook, int letter, void *arg, int count, char *name)
|
|
{
|
|
if (editinfo[editind].can_edit) {
|
|
if (letter != 'i' && letter != 'b') {
|
|
fprintf(stderr, "Can't report format %c.\n", letter);
|
|
exit(-1);
|
|
}
|
|
|
|
fprintf(edit_file, "%s: %d\n", name, (int)arg);
|
|
}
|
|
|
|
editind++;
|
|
}
|
|
|
|
static int
|
|
edit_get(void *hook, char *name)
|
|
{
|
|
struct get_hook *h = (struct get_hook *)hook;
|
|
int arg = editinfo[editind].default_value;
|
|
|
|
if (editinfo[editind].can_edit) {
|
|
char line[80];
|
|
if (fgets(line, sizeof(line), edit_file) == 0) {
|
|
perror("fgets");
|
|
exit(errno);
|
|
}
|
|
|
|
line[strlen(line) - 1] = 0;
|
|
|
|
if (strncmp(name, line, strlen(name)) != 0) {
|
|
fprintf(stderr, "Expected \"%s\" and read \"%s\"\n",
|
|
name, line);
|
|
exit(-1);
|
|
}
|
|
|
|
arg = strtoul(line + strlen(name) + 2, 0, 0);
|
|
}
|
|
|
|
editind++;
|
|
return arg;
|
|
}
|
|
|
|
static void
|
|
edit_edit(void)
|
|
{
|
|
char *system_line;
|
|
char *editor = getenv("EDITOR");
|
|
if (!editor)
|
|
editor = "vi";
|
|
|
|
fclose(edit_file);
|
|
|
|
system_line = malloc(strlen(editor) + strlen(edit_name) + 6);
|
|
sprintf(system_line, "%s %s", editor, edit_name);
|
|
system(system_line);
|
|
free(system_line);
|
|
|
|
if ( (edit_file = fopen(edit_name, "r")) == 0) {
|
|
perror(edit_name);
|
|
exit(errno);
|
|
}
|
|
}
|
|
|
|
static void
|
|
mode_edit(int fd, int page, int edit, int argc, char *argv[])
|
|
{
|
|
int i;
|
|
u_char data[255];
|
|
u_char *mode_pars;
|
|
struct mode_header
|
|
{
|
|
u_char mdl; /* Mode data length */
|
|
u_char medium_type;
|
|
u_char dev_spec_par;
|
|
u_char bdl; /* Block descriptor length */
|
|
};
|
|
|
|
struct mode_page_header
|
|
{
|
|
u_char page_code;
|
|
u_char page_length;
|
|
};
|
|
|
|
struct mode_header *mh;
|
|
struct mode_page_header *mph;
|
|
|
|
char *fmt = mode_lookup(page);
|
|
if (!fmt && verbose) {
|
|
fprintf(stderr,
|
|
"No mode data base entry in \"%s\" for page %d; binary %s only.\n",
|
|
mode_db, page, (edit ? "edit" : "display"));
|
|
}
|
|
|
|
if (edit) {
|
|
if (!fmt) {
|
|
fprintf(stderr, "Sorry: can't edit without a format.\n");
|
|
exit(-1);
|
|
}
|
|
|
|
if (pagectl != 0 && pagectl != 3) {
|
|
fprintf(stderr,
|
|
"It only makes sense to edit page 0 (current) or page 3 (saved values)\n");
|
|
exit(-1);
|
|
}
|
|
|
|
verbose = 1;
|
|
|
|
mode_sense(fd, data, sizeof(data), 1, page);
|
|
|
|
mh = (struct mode_header *)data;
|
|
mph = (struct mode_page_header *)
|
|
(((char *)mh) + sizeof(*mh) + mh->bdl);
|
|
|
|
mode_pars = (char *)mph + sizeof(*mph);
|
|
|
|
edit_init();
|
|
scsireq_buff_decode_visit(mode_pars, mh->mdl,
|
|
fmt, edit_check, 0);
|
|
|
|
mode_sense(fd, data, sizeof(data), 0, page);
|
|
|
|
edit_rewind();
|
|
scsireq_buff_decode_visit(mode_pars, mh->mdl,
|
|
fmt, edit_defaults, 0);
|
|
|
|
edit_rewind();
|
|
scsireq_buff_decode_visit(mode_pars, mh->mdl,
|
|
fmt, edit_report, 0);
|
|
|
|
edit_edit();
|
|
|
|
edit_rewind();
|
|
scsireq_buff_encode_visit(mode_pars, mh->mdl,
|
|
fmt, edit_get, 0);
|
|
|
|
/* Eliminate block descriptors:
|
|
*/
|
|
bcopy((char *)mph, ((char *)mh) + sizeof(*mh),
|
|
sizeof(*mph) + mph->page_length);
|
|
|
|
mh->bdl = 0;
|
|
mph = (struct mode_page_header *) (((char *)mh) + sizeof(*mh));
|
|
mode_pars = ((char *)mph) + 2;
|
|
|
|
#if 0
|
|
/* Turn this on to see what you're sending to the
|
|
* device:
|
|
*/
|
|
edit_rewind();
|
|
scsireq_buff_decode_visit(mode_pars,
|
|
mh->mdl, fmt, arg_put, 0);
|
|
#endif
|
|
|
|
edit_done();
|
|
|
|
/* Make it permanent if pageselect is three.
|
|
*/
|
|
|
|
mph->page_code &= ~0xC0; /* Clear PS and RESERVED */
|
|
mh->mdl = 0; /* Reserved for mode select */
|
|
|
|
mode_select(fd, (char *)mh,
|
|
sizeof(*mh) + mh->bdl + sizeof(*mph) + mph->page_length,
|
|
(pagectl == 3));
|
|
|
|
exit(0);
|
|
}
|
|
|
|
mode_sense(fd, data, sizeof(data), pagectl, page);
|
|
|
|
/* Skip over the block descriptors.
|
|
*/
|
|
mh = (struct mode_header *)data;
|
|
mph = (struct mode_page_header *)(((char *)mh) + sizeof(*mh) + mh->bdl);
|
|
mode_pars = (char *)mph + sizeof(*mph);
|
|
|
|
if (!fmt) {
|
|
for (i = 0; i < mh->mdl; i++) {
|
|
printf("%02x%c",mode_pars[i],
|
|
(((i + 1) % 8) == 0) ? '\n' : ' ');
|
|
}
|
|
putc('\n', stdout);
|
|
} else {
|
|
verbose = 1;
|
|
scsireq_buff_decode_visit(mode_pars,
|
|
mh->mdl, fmt, arg_put, 0);
|
|
}
|
|
}
|
|
|
|
/* do_probe_all: Loop over all SCSI IDs and see if something is
|
|
* there. This only does BUS 0 LUN 0.
|
|
*/
|
|
void do_probe_all(void)
|
|
{
|
|
scsireq_t *scsireq;
|
|
|
|
char vendor_id[8 + 1], product_id[16 + 1], revision[4 + 1];
|
|
int id;
|
|
u_char *inq_buf = malloc(96);
|
|
struct scsi_addr addr;
|
|
|
|
scsireq = scsireq_build(scsireq_new(),
|
|
96, inq_buf, SCCMD_READ,
|
|
"12 0 0 0 v 0", 96);
|
|
|
|
addr.scbus = (bus == -1) ? 0 : bus;
|
|
addr.lun = lun;
|
|
|
|
if (addr.scbus || addr.lun)
|
|
{
|
|
printf("For bus %d lun %d:\n", addr.scbus, addr.lun);
|
|
}
|
|
|
|
for (id = 0; id < 8; id++)
|
|
{
|
|
addr.target = id;
|
|
|
|
printf("%d: ", id);
|
|
if (ioctl(fd, SCIOCADDR, &addr) == -1) {
|
|
if (errno == ENXIO)
|
|
{
|
|
errno = 0;
|
|
printf("nothing.\n");
|
|
}
|
|
else
|
|
printf("SCIOCADDR: %s\n", strerror(errno));
|
|
|
|
continue;
|
|
}
|
|
|
|
if (scsireq_enter(fd, scsireq) == -1) {
|
|
printf("scsireq_enter: %s\n", strerror(errno));
|
|
continue;
|
|
}
|
|
|
|
vendor_id[sizeof(vendor_id) - 1] = 0;
|
|
product_id[sizeof(product_id) - 1] = 0;
|
|
revision[sizeof(revision) - 1] = 0;
|
|
|
|
scsireq_decode(scsireq, "s8 c8 c16 c4",
|
|
vendor_id, product_id, revision);
|
|
|
|
printf("%s %s %s\n", vendor_id, product_id, revision);
|
|
}
|
|
}
|
|
|
|
void main(int argc, char **argv)
|
|
{
|
|
struct scsi_addr scaddr;
|
|
|
|
procargs(&argc,&argv);
|
|
|
|
/* XXX This has grown to the point that it should be cleaned up.
|
|
*/
|
|
if (freeze) {
|
|
do_freeze(freeze);
|
|
} else if (probe_all) {
|
|
do_probe_all();
|
|
} else if(reprobe) {
|
|
scaddr.scbus = bus;
|
|
scaddr.target = targ;
|
|
scaddr.lun = lun;
|
|
|
|
if (ioctl(fd,SCIOCREPROBE,&scaddr) == -1)
|
|
perror("ioctl");
|
|
} else if(debugflag) {
|
|
if (ioctl(fd,SCIOCDEBUG,&debuglevel) == -1)
|
|
{
|
|
perror("ioctl [SCIODEBUG]");
|
|
exit(1);
|
|
}
|
|
} else if (commandflag) {
|
|
int i;
|
|
char *fmt;
|
|
|
|
if (argc < 1) {
|
|
fprintf(stderr, "Need the command format string.\n");
|
|
usage();
|
|
}
|
|
|
|
|
|
fmt = argv[0];
|
|
|
|
argc -= 1;
|
|
argv += 1;
|
|
|
|
do_cmd(fd, fmt, argc, argv);
|
|
} else if (modeflag) {
|
|
mode_edit(fd, modepage, editflag, argc, argv);
|
|
}
|
|
exit(0);
|
|
}
|