1*b2b21931Sbeck /* $OpenBSD: chio.c,v 1.13 2006/05/29 01:21:38 beck Exp $ */ 2c16b380fSderaadt /* $NetBSD: chio.c,v 1.1.1.1 1996/04/03 00:34:38 thorpej Exp $ */ 3c16b380fSderaadt 4c16b380fSderaadt /* 5c16b380fSderaadt * Copyright (c) 1996 Jason R. Thorpe <thorpej@and.com> 6c16b380fSderaadt * All rights reserved. 7c16b380fSderaadt * 8c16b380fSderaadt * Redistribution and use in source and binary forms, with or without 9c16b380fSderaadt * modification, are permitted provided that the following conditions 10c16b380fSderaadt * are met: 11c16b380fSderaadt * 1. Redistributions of source code must retain the above copyright 12c16b380fSderaadt * notice, this list of conditions and the following disclaimer. 13c16b380fSderaadt * 2. Redistributions in binary form must reproduce the above copyright 14c16b380fSderaadt * notice, this list of conditions and the following disclaimer in the 15c16b380fSderaadt * documentation and/or other materials provided with the distribution. 16c16b380fSderaadt * 3. All advertising materials mentioning features or use of this software 17d9248734Stodd * must display the following acknowledgments: 18c16b380fSderaadt * This product includes software developed by Jason R. Thorpe 19c16b380fSderaadt * for And Communications, http://www.and.com/ 20c16b380fSderaadt * 4. The name of the author may not be used to endorse or promote products 21c16b380fSderaadt * derived from this software without specific prior written permission. 22c16b380fSderaadt * 23c16b380fSderaadt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24c16b380fSderaadt * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25c16b380fSderaadt * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26c16b380fSderaadt * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27c16b380fSderaadt * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 28c16b380fSderaadt * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 29c16b380fSderaadt * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 30c16b380fSderaadt * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 31c16b380fSderaadt * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32c16b380fSderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33c16b380fSderaadt * SUCH DAMAGE. 34c16b380fSderaadt */ 35c16b380fSderaadt 36c16b380fSderaadt #include <sys/param.h> 37c16b380fSderaadt #include <sys/ioctl.h> 38*b2b21931Sbeck #include <sys/mtio.h> 39c16b380fSderaadt #include <sys/chio.h> 40c16b380fSderaadt #include <err.h> 41c16b380fSderaadt #include <errno.h> 42c16b380fSderaadt #include <fcntl.h> 43c16b380fSderaadt #include <limits.h> 44c16b380fSderaadt #include <stdio.h> 45c16b380fSderaadt #include <stdlib.h> 46c16b380fSderaadt #include <string.h> 47c16b380fSderaadt #include <unistd.h> 48*b2b21931Sbeck #include <util.h> 49c16b380fSderaadt 50c16b380fSderaadt #include "defs.h" 51c16b380fSderaadt #include "pathnames.h" 52c16b380fSderaadt 53*b2b21931Sbeck #define _PATH_CH_CONF "/etc/chio.conf" 54*b2b21931Sbeck extern char *parse_tapedev(const char *, const char *, int); /* parse.y */ 55c16b380fSderaadt extern char *__progname; /* from crt0.o */ 56c16b380fSderaadt 57c72b5b24Smillert static void usage(void); 58c72b5b24Smillert static int parse_element_type(char *); 59c72b5b24Smillert static int parse_element_unit(char *); 60c72b5b24Smillert static int parse_special(char *); 61c72b5b24Smillert static int is_special(char *); 62c72b5b24Smillert static char *bits_to_string(int, const char *); 63c16b380fSderaadt 64c72b5b24Smillert static int do_move(char *, int, char **); 65c72b5b24Smillert static int do_exchange(char *, int, char **); 66c72b5b24Smillert static int do_position(char *, int, char **); 67c72b5b24Smillert static int do_params(char *, int, char **); 68c72b5b24Smillert static int do_getpicker(char *, int, char **); 69c72b5b24Smillert static int do_setpicker(char *, int, char **); 70c72b5b24Smillert static int do_status(char *, int, char **); 71c16b380fSderaadt 72c16b380fSderaadt /* Valid changer element types. */ 73c16b380fSderaadt const struct element_type elements[] = { 74c16b380fSderaadt { "drive", CHET_DT }, 75b13cd761Sderaadt { "picker", CHET_MT }, 76b13cd761Sderaadt { "portal", CHET_IE }, 77b13cd761Sderaadt { "slot", CHET_ST }, 78c16b380fSderaadt { NULL, 0 }, 79c16b380fSderaadt }; 80c16b380fSderaadt 81c16b380fSderaadt /* Valid commands. */ 82c16b380fSderaadt const struct changer_command commands[] = { 83c16b380fSderaadt { "exchange", do_exchange }, 84c16b380fSderaadt { "getpicker", do_getpicker }, 85b13cd761Sderaadt { "move", do_move }, 86b13cd761Sderaadt { "params", do_params }, 87b13cd761Sderaadt { "position", do_position }, 88c16b380fSderaadt { "setpicker", do_setpicker }, 89c16b380fSderaadt { "status", do_status }, 90c16b380fSderaadt { NULL, 0 }, 91c16b380fSderaadt }; 92c16b380fSderaadt 93c16b380fSderaadt /* Valid special words. */ 94c16b380fSderaadt const struct special_word specials[] = { 95c16b380fSderaadt { "inv", SW_INVERT }, 96c16b380fSderaadt { "inv1", SW_INVERT1 }, 97c16b380fSderaadt { "inv2", SW_INVERT2 }, 98c16b380fSderaadt { NULL, 0 }, 99c16b380fSderaadt }; 100c16b380fSderaadt 101c16b380fSderaadt static int changer_fd; 102c16b380fSderaadt static char *changer_name; 103c16b380fSderaadt 104c16b380fSderaadt int 105ab83b6d6Sderaadt main(int argc, char *argv[]) 106c16b380fSderaadt { 107c16b380fSderaadt int ch, i; 108c16b380fSderaadt 109c16b380fSderaadt while ((ch = getopt(argc, argv, "f:")) != -1) { 110c16b380fSderaadt switch (ch) { 111c16b380fSderaadt case 'f': 112c16b380fSderaadt changer_name = optarg; 113c16b380fSderaadt break; 114c16b380fSderaadt 115c16b380fSderaadt default: 116c16b380fSderaadt usage(); 117c16b380fSderaadt } 118c16b380fSderaadt } 119c16b380fSderaadt argc -= optind; 120c16b380fSderaadt argv += optind; 121c16b380fSderaadt 122c16b380fSderaadt if (argc == 0) 123c16b380fSderaadt usage(); 124c16b380fSderaadt 125c16b380fSderaadt /* Get the default changer if not already specified. */ 126c16b380fSderaadt if (changer_name == NULL) 127c16b380fSderaadt if ((changer_name = getenv(CHANGER_ENV_VAR)) == NULL) 128c16b380fSderaadt changer_name = _PATH_CH; 129c16b380fSderaadt 130c16b380fSderaadt /* Open the changer device. */ 131c16b380fSderaadt if ((changer_fd = open(changer_name, O_RDWR, 0600)) == -1) 132c16b380fSderaadt err(1, "%s: open", changer_name); 133c16b380fSderaadt 134c16b380fSderaadt /* Find the specified command. */ 135c16b380fSderaadt for (i = 0; commands[i].cc_name != NULL; ++i) 136c16b380fSderaadt if (strcmp(*argv, commands[i].cc_name) == 0) 137c16b380fSderaadt break; 138b13cd761Sderaadt if (commands[i].cc_name == NULL) { 139b13cd761Sderaadt /* look for abbreviation */ 140b13cd761Sderaadt for (i = 0; commands[i].cc_name != NULL; ++i) 141b13cd761Sderaadt if (strncmp(*argv, commands[i].cc_name, 142b13cd761Sderaadt strlen(*argv)) == 0) 143b13cd761Sderaadt break; 144b13cd761Sderaadt } 145c16b380fSderaadt if (commands[i].cc_name == NULL) 146c16b380fSderaadt errx(1, "unknown command: %s", *argv); 147c16b380fSderaadt 148c16b380fSderaadt /* Skip over the command name and call handler. */ 149c16b380fSderaadt ++argv; --argc; 150c16b380fSderaadt exit ((*commands[i].cc_handler)(commands[i].cc_name, argc, argv)); 151c16b380fSderaadt } 152c16b380fSderaadt 153c16b380fSderaadt static int 154ab83b6d6Sderaadt do_move(char *cname, int argc, char *argv[]) 155c16b380fSderaadt { 156c16b380fSderaadt struct changer_move cmd; 157c16b380fSderaadt int val; 158c16b380fSderaadt 159c16b380fSderaadt /* 160c16b380fSderaadt * On a move command, we expect the following: 161c16b380fSderaadt * 162c16b380fSderaadt * <from ET> <from EU> <to ET> <to EU> [inv] 163c16b380fSderaadt * 164c16b380fSderaadt * where ET == element type and EU == element unit. 165c16b380fSderaadt */ 166c16b380fSderaadt if (argc < 4) { 167c16b380fSderaadt warnx("%s: too few arguments", cname); 168c16b380fSderaadt goto usage; 169c16b380fSderaadt } else if (argc > 5) { 170c16b380fSderaadt warnx("%s: too many arguments", cname); 171c16b380fSderaadt goto usage; 172c16b380fSderaadt } 173c16b380fSderaadt bzero(&cmd, sizeof(cmd)); 174c16b380fSderaadt 175c16b380fSderaadt /* <from ET> */ 176c16b380fSderaadt cmd.cm_fromtype = parse_element_type(*argv); 177c16b380fSderaadt ++argv; --argc; 178c16b380fSderaadt 179c16b380fSderaadt /* <from EU> */ 180c16b380fSderaadt cmd.cm_fromunit = parse_element_unit(*argv); 181c16b380fSderaadt ++argv; --argc; 182c16b380fSderaadt 183*b2b21931Sbeck if (cmd.cm_fromtype == CHET_DT) { 184*b2b21931Sbeck /* 185*b2b21931Sbeck * from unit is a drive - make sure the tape 186*b2b21931Sbeck * in it is unmounted before we attempt to move 187*b2b21931Sbeck * it to avoid errors in "disconnected" type 188*b2b21931Sbeck * pickers where the drive is on a seperate target 189*b2b21931Sbeck * from the changer. 190*b2b21931Sbeck */ 191*b2b21931Sbeck int mtfd; 192*b2b21931Sbeck struct mtop mtoffl = { MTOFFL, 1 }; 193*b2b21931Sbeck char * tapedev = parse_tapedev(_PATH_CH_CONF, changer_name, cmd.cm_fromunit); 194*b2b21931Sbeck mtfd = opendev(tapedev, O_RDONLY, OPENDEV_PART | OPENDEV_DRCT, 195*b2b21931Sbeck NULL); 196*b2b21931Sbeck if (mtfd == -1) 197*b2b21931Sbeck err(1, "%s drive %d (%s): open", changer_name, 198*b2b21931Sbeck cmd.cm_fromunit, tapedev); 199*b2b21931Sbeck if (ioctl(mtfd, MTIOCTOP, &mtoffl) == -1) 200*b2b21931Sbeck err(1, "%s drive %d (%s): rewoffl", changer_name, 201*b2b21931Sbeck cmd.cm_fromunit, tapedev); 202*b2b21931Sbeck close(mtfd); 203*b2b21931Sbeck } 204*b2b21931Sbeck 205c16b380fSderaadt /* <to ET> */ 206c16b380fSderaadt cmd.cm_totype = parse_element_type(*argv); 207c16b380fSderaadt ++argv; --argc; 208c16b380fSderaadt 209c16b380fSderaadt /* <to EU> */ 210c16b380fSderaadt cmd.cm_tounit = parse_element_unit(*argv); 211c16b380fSderaadt ++argv; --argc; 212c16b380fSderaadt 213c16b380fSderaadt /* Deal with optional command modifier. */ 214c16b380fSderaadt if (argc) { 215c16b380fSderaadt val = parse_special(*argv); 216c16b380fSderaadt switch (val) { 217c16b380fSderaadt case SW_INVERT: 218c16b380fSderaadt cmd.cm_flags |= CM_INVERT; 219c16b380fSderaadt break; 220c16b380fSderaadt 221c16b380fSderaadt default: 222c16b380fSderaadt errx(1, "%s: inappropriate modifier `%s'", 223c16b380fSderaadt cname, *argv); 224c16b380fSderaadt /* NOTREACHED */ 225c16b380fSderaadt } 226c16b380fSderaadt } 227c16b380fSderaadt 228c16b380fSderaadt /* Send command to changer. */ 229496bd962Sderaadt if (ioctl(changer_fd, CHIOMOVE, &cmd)) 230c16b380fSderaadt err(1, "%s: CHIOMOVE", changer_name); 231c16b380fSderaadt 232c16b380fSderaadt return (0); 233c16b380fSderaadt 234c16b380fSderaadt usage: 235c16b380fSderaadt fprintf(stderr, "usage: %s %s " 236c16b380fSderaadt "<from ET> <from EU> <to ET> <to EU> [inv]\n", __progname, cname); 237c16b380fSderaadt return (1); 238c16b380fSderaadt } 239c16b380fSderaadt 240c16b380fSderaadt static int 241ab83b6d6Sderaadt do_exchange(char *cname, int argc, char *argv[]) 242c16b380fSderaadt { 243c16b380fSderaadt struct changer_exchange cmd; 244c16b380fSderaadt int val; 245c16b380fSderaadt 246c16b380fSderaadt /* 247c16b380fSderaadt * On an exchange command, we expect the following: 248c16b380fSderaadt * 249c16b380fSderaadt * <src ET> <src EU> <dst1 ET> <dst1 EU> [<dst2 ET> <dst2 EU>] [inv1] [inv2] 250c16b380fSderaadt * 251c16b380fSderaadt * where ET == element type and EU == element unit. 252c16b380fSderaadt */ 253c16b380fSderaadt if (argc < 4) { 254c16b380fSderaadt warnx("%s: too few arguments", cname); 255c16b380fSderaadt goto usage; 256c16b380fSderaadt } else if (argc > 8) { 257c16b380fSderaadt warnx("%s: too many arguments", cname); 258c16b380fSderaadt goto usage; 259c16b380fSderaadt } 260c16b380fSderaadt bzero(&cmd, sizeof(cmd)); 261c16b380fSderaadt 262c16b380fSderaadt /* <src ET> */ 263c16b380fSderaadt cmd.ce_srctype = parse_element_type(*argv); 264c16b380fSderaadt ++argv; --argc; 265c16b380fSderaadt 266c16b380fSderaadt /* <src EU> */ 267c16b380fSderaadt cmd.ce_srcunit = parse_element_unit(*argv); 268c16b380fSderaadt ++argv; --argc; 269c16b380fSderaadt 270c16b380fSderaadt /* <dst1 ET> */ 271c16b380fSderaadt cmd.ce_fdsttype = parse_element_type(*argv); 272c16b380fSderaadt ++argv; --argc; 273c16b380fSderaadt 274c16b380fSderaadt /* <dst1 EU> */ 275c16b380fSderaadt cmd.ce_fdstunit = parse_element_unit(*argv); 276c16b380fSderaadt ++argv; --argc; 277c16b380fSderaadt 278c16b380fSderaadt /* 279c16b380fSderaadt * If the next token is a special word or there are no more 280c16b380fSderaadt * arguments, then this is a case of simple exchange. 281c16b380fSderaadt * dst2 == src. 282c16b380fSderaadt */ 283c16b380fSderaadt if ((argc == 0) || is_special(*argv)) { 284c16b380fSderaadt cmd.ce_sdsttype = cmd.ce_srctype; 285c16b380fSderaadt cmd.ce_sdstunit = cmd.ce_srcunit; 286c16b380fSderaadt goto do_special; 287c16b380fSderaadt } 288c16b380fSderaadt 289c16b380fSderaadt /* <dst2 ET> */ 290c16b380fSderaadt cmd.ce_sdsttype = parse_element_type(*argv); 291c16b380fSderaadt ++argv; --argc; 292c16b380fSderaadt 293c16b380fSderaadt /* <dst2 EU> */ 294c16b380fSderaadt cmd.ce_sdstunit = parse_element_unit(*argv); 295c16b380fSderaadt ++argv; --argc; 296c16b380fSderaadt 297c16b380fSderaadt do_special: 298c16b380fSderaadt /* Deal with optional command modifiers. */ 299c16b380fSderaadt while (argc) { 300c16b380fSderaadt val = parse_special(*argv); 301c16b380fSderaadt ++argv; --argc; 302c16b380fSderaadt switch (val) { 303c16b380fSderaadt case SW_INVERT1: 304c16b380fSderaadt cmd.ce_flags |= CE_INVERT1; 305c16b380fSderaadt break; 306c16b380fSderaadt 307c16b380fSderaadt case SW_INVERT2: 308c16b380fSderaadt cmd.ce_flags |= CE_INVERT2; 309c16b380fSderaadt break; 310c16b380fSderaadt 311c16b380fSderaadt default: 312c16b380fSderaadt errx(1, "%s: inappropriate modifier `%s'", 313c16b380fSderaadt cname, *argv); 314c16b380fSderaadt /* NOTREACHED */ 315c16b380fSderaadt } 316c16b380fSderaadt } 317c16b380fSderaadt 318c16b380fSderaadt /* Send command to changer. */ 319496bd962Sderaadt if (ioctl(changer_fd, CHIOEXCHANGE, &cmd)) 320c16b380fSderaadt err(1, "%s: CHIOEXCHANGE", changer_name); 321c16b380fSderaadt 322c16b380fSderaadt return (0); 323c16b380fSderaadt 324c16b380fSderaadt usage: 325c16b380fSderaadt fprintf(stderr, "usage: %s %s <src ET> <src EU> <dst1 ET> <dst1 EU>\n" 326c16b380fSderaadt " [<dst2 ET> <dst2 EU>] [inv1] [inv2]\n", 327c16b380fSderaadt __progname, cname); 328c16b380fSderaadt return (1); 329c16b380fSderaadt } 330c16b380fSderaadt 331c16b380fSderaadt static int 332ab83b6d6Sderaadt do_position(char *cname, int argc, char *argv[]) 333c16b380fSderaadt { 334c16b380fSderaadt struct changer_position cmd; 335c16b380fSderaadt int val; 336c16b380fSderaadt 337c16b380fSderaadt /* 338c16b380fSderaadt * On a position command, we expect the following: 339c16b380fSderaadt * 340c16b380fSderaadt * <to ET> <to EU> [inv] 341c16b380fSderaadt * 342c16b380fSderaadt * where ET == element type and EU == element unit. 343c16b380fSderaadt */ 344c16b380fSderaadt if (argc < 2) { 345c16b380fSderaadt warnx("%s: too few arguments", cname); 346c16b380fSderaadt goto usage; 347c16b380fSderaadt } else if (argc > 3) { 348c16b380fSderaadt warnx("%s: too many arguments", cname); 349c16b380fSderaadt goto usage; 350c16b380fSderaadt } 351c16b380fSderaadt bzero(&cmd, sizeof(cmd)); 352c16b380fSderaadt 353c16b380fSderaadt /* <to ET> */ 354c16b380fSderaadt cmd.cp_type = parse_element_type(*argv); 355c16b380fSderaadt ++argv; --argc; 356c16b380fSderaadt 357c16b380fSderaadt /* <to EU> */ 358c16b380fSderaadt cmd.cp_unit = parse_element_unit(*argv); 359c16b380fSderaadt ++argv; --argc; 360c16b380fSderaadt 361c16b380fSderaadt /* Deal with optional command modifier. */ 362c16b380fSderaadt if (argc) { 363c16b380fSderaadt val = parse_special(*argv); 364c16b380fSderaadt switch (val) { 365c16b380fSderaadt case SW_INVERT: 366c16b380fSderaadt cmd.cp_flags |= CP_INVERT; 367c16b380fSderaadt break; 368c16b380fSderaadt 369c16b380fSderaadt default: 370c16b380fSderaadt errx(1, "%s: inappropriate modifier `%s'", 371c16b380fSderaadt cname, *argv); 372c16b380fSderaadt /* NOTREACHED */ 373c16b380fSderaadt } 374c16b380fSderaadt } 375c16b380fSderaadt 376c16b380fSderaadt /* Send command to changer. */ 377496bd962Sderaadt if (ioctl(changer_fd, CHIOPOSITION, &cmd)) 378c16b380fSderaadt err(1, "%s: CHIOPOSITION", changer_name); 379c16b380fSderaadt 380c16b380fSderaadt return (0); 381c16b380fSderaadt 382c16b380fSderaadt usage: 383c16b380fSderaadt fprintf(stderr, "usage: %s %s <to ET> <to EU> [inv]\n", 384c16b380fSderaadt __progname, cname); 385c16b380fSderaadt return (1); 386c16b380fSderaadt } 387c16b380fSderaadt 388c16b380fSderaadt static int 389ab83b6d6Sderaadt do_params(char *cname, int argc, char *argv[]) 390c16b380fSderaadt { 391c16b380fSderaadt struct changer_params data; 392c16b380fSderaadt 393c16b380fSderaadt /* No arguments to this command. */ 394c16b380fSderaadt if (argc) { 395d9248734Stodd warnx("%s: no arguments expected", cname); 396c16b380fSderaadt goto usage; 397c16b380fSderaadt } 398c16b380fSderaadt 399c16b380fSderaadt /* Get params from changer and display them. */ 400c16b380fSderaadt bzero(&data, sizeof(data)); 401496bd962Sderaadt if (ioctl(changer_fd, CHIOGPARAMS, &data)) 402c16b380fSderaadt err(1, "%s: CHIOGPARAMS", changer_name); 403c16b380fSderaadt 404c16b380fSderaadt printf("%s: %d slot%s, %d drive%s, %d picker%s", 405c16b380fSderaadt changer_name, 406c16b380fSderaadt data.cp_nslots, (data.cp_nslots > 1) ? "s" : "", 407c16b380fSderaadt data.cp_ndrives, (data.cp_ndrives > 1) ? "s" : "", 408c16b380fSderaadt data.cp_npickers, (data.cp_npickers > 1) ? "s" : ""); 409c16b380fSderaadt if (data.cp_nportals) 410c16b380fSderaadt printf(", %d portal%s", data.cp_nportals, 411c16b380fSderaadt (data.cp_nportals > 1) ? "s" : ""); 412c16b380fSderaadt printf("\n%s: current picker: %d\n", changer_name, data.cp_curpicker); 413c16b380fSderaadt 414c16b380fSderaadt return (0); 415c16b380fSderaadt 416c16b380fSderaadt usage: 417c16b380fSderaadt fprintf(stderr, "usage: %s %s\n", __progname, cname); 418c16b380fSderaadt return (1); 419c16b380fSderaadt } 420c16b380fSderaadt 421c16b380fSderaadt static int 422ab83b6d6Sderaadt do_getpicker(char *cname, int argc, char *argv[]) 423c16b380fSderaadt { 424c16b380fSderaadt int picker; 425c16b380fSderaadt 426c16b380fSderaadt /* No arguments to this command. */ 427c16b380fSderaadt if (argc) { 428c16b380fSderaadt warnx("%s: no arguments expected", cname); 429c16b380fSderaadt goto usage; 430c16b380fSderaadt } 431c16b380fSderaadt 432c16b380fSderaadt /* Get current picker from changer and display it. */ 433496bd962Sderaadt if (ioctl(changer_fd, CHIOGPICKER, &picker)) 434c16b380fSderaadt err(1, "%s: CHIOGPICKER", changer_name); 435c16b380fSderaadt 436c16b380fSderaadt printf("%s: current picker: %d\n", changer_name, picker); 437c16b380fSderaadt 438c16b380fSderaadt return (0); 439c16b380fSderaadt 440c16b380fSderaadt usage: 441c16b380fSderaadt fprintf(stderr, "usage: %s %s\n", __progname, cname); 442c16b380fSderaadt return (1); 443c16b380fSderaadt } 444c16b380fSderaadt 445c16b380fSderaadt static int 446ab83b6d6Sderaadt do_setpicker(char *cname, int argc, char *argv[]) 447c16b380fSderaadt { 448c16b380fSderaadt int picker; 449c16b380fSderaadt 450c16b380fSderaadt if (argc < 1) { 451c16b380fSderaadt warnx("%s: too few arguments", cname); 452c16b380fSderaadt goto usage; 453c16b380fSderaadt } else if (argc > 1) { 454c16b380fSderaadt warnx("%s: too many arguments", cname); 455c16b380fSderaadt goto usage; 456c16b380fSderaadt } 457c16b380fSderaadt 458c16b380fSderaadt picker = parse_element_unit(*argv); 459c16b380fSderaadt 460c16b380fSderaadt /* Set the changer picker. */ 461496bd962Sderaadt if (ioctl(changer_fd, CHIOSPICKER, &picker)) 462c16b380fSderaadt err(1, "%s: CHIOSPICKER", changer_name); 463c16b380fSderaadt 464c16b380fSderaadt return (0); 465c16b380fSderaadt 466c16b380fSderaadt usage: 467c16b380fSderaadt fprintf(stderr, "usage: %s %s <picker>\n", __progname, cname); 468c16b380fSderaadt return (1); 469c16b380fSderaadt } 470c16b380fSderaadt 471c16b380fSderaadt static int 472ab83b6d6Sderaadt do_status(char *cname, int argc, char *argv[]) 473c16b380fSderaadt { 474c16b380fSderaadt struct changer_element_status cmd; 475c16b380fSderaadt struct changer_params data; 476c16b380fSderaadt u_int8_t *statusp; 477496bd962Sderaadt int i, chet, schet, echet; 478764064c4Smickey char *description; 479496bd962Sderaadt size_t count; 480764064c4Smickey 481764064c4Smickey #ifdef lint 482764064c4Smickey count = 0; 483764064c4Smickey description = NULL; 484764064c4Smickey #endif 485c16b380fSderaadt 486c16b380fSderaadt /* 487c16b380fSderaadt * On a status command, we expect the following: 488c16b380fSderaadt * 489c16b380fSderaadt * [<ET>] 490c16b380fSderaadt * 491c16b380fSderaadt * where ET == element type. 492c16b380fSderaadt * 493c16b380fSderaadt * If we get no arguments, we get the status of all 494c16b380fSderaadt * known element types. 495c16b380fSderaadt */ 496c16b380fSderaadt if (argc > 1) { 497c16b380fSderaadt warnx("%s: too many arguments", cname); 498c16b380fSderaadt goto usage; 499c16b380fSderaadt } 500c16b380fSderaadt 501c16b380fSderaadt /* 502c16b380fSderaadt * Get params from changer. Specifically, we need the element 503c16b380fSderaadt * counts. 504c16b380fSderaadt */ 505c16b380fSderaadt bzero(&data, sizeof(data)); 506496bd962Sderaadt if (ioctl(changer_fd, CHIOGPARAMS, &data)) 507c16b380fSderaadt err(1, "%s: CHIOGPARAMS", changer_name); 508c16b380fSderaadt 509c16b380fSderaadt if (argc) 510c16b380fSderaadt schet = echet = parse_element_type(*argv); 511c16b380fSderaadt else { 512c16b380fSderaadt schet = CHET_MT; 513c16b380fSderaadt echet = CHET_DT; 514c16b380fSderaadt } 515c16b380fSderaadt 516c16b380fSderaadt for (chet = schet; chet <= echet; ++chet) { 517c16b380fSderaadt switch (chet) { 518c16b380fSderaadt case CHET_MT: 519c16b380fSderaadt count = data.cp_npickers; 520c16b380fSderaadt description = "picker"; 521c16b380fSderaadt break; 522c16b380fSderaadt 523c16b380fSderaadt case CHET_ST: 524c16b380fSderaadt count = data.cp_nslots; 525c16b380fSderaadt description = "slot"; 526c16b380fSderaadt break; 527c16b380fSderaadt 528c16b380fSderaadt case CHET_IE: 529c16b380fSderaadt count = data.cp_nportals; 530c16b380fSderaadt description = "portal"; 531c16b380fSderaadt break; 532c16b380fSderaadt 533c16b380fSderaadt case CHET_DT: 534c16b380fSderaadt count = data.cp_ndrives; 535c16b380fSderaadt description = "drive"; 536c16b380fSderaadt break; 537c16b380fSderaadt } 538c16b380fSderaadt 539c16b380fSderaadt if (count == 0) { 540c16b380fSderaadt if (argc == 0) 541c16b380fSderaadt continue; 542c16b380fSderaadt else { 543c16b380fSderaadt printf("%s: no %s elements\n", 544c16b380fSderaadt changer_name, description); 545c16b380fSderaadt return (0); 546c16b380fSderaadt } 547c16b380fSderaadt } 548c16b380fSderaadt 549c16b380fSderaadt /* Allocate storage for the status bytes. */ 550496bd962Sderaadt if ((statusp = malloc(count)) == NULL) 551c16b380fSderaadt errx(1, "can't allocate status storage"); 552c16b380fSderaadt 553c16b380fSderaadt bzero(statusp, count); 554c16b380fSderaadt bzero(&cmd, sizeof(cmd)); 555c16b380fSderaadt 556c16b380fSderaadt cmd.ces_type = chet; 557c16b380fSderaadt cmd.ces_data = statusp; 558c16b380fSderaadt 559496bd962Sderaadt if (ioctl(changer_fd, CHIOGSTATUS, &cmd)) { 560c16b380fSderaadt free(statusp); 561c16b380fSderaadt err(1, "%s: CHIOGSTATUS", changer_name); 562c16b380fSderaadt } 563c16b380fSderaadt 564c16b380fSderaadt /* Dump the status for each element of this type. */ 565c16b380fSderaadt for (i = 0; i < count; ++i) { 566c16b380fSderaadt printf("%s %d: %s\n", description, i, 567c16b380fSderaadt bits_to_string(statusp[i], CESTATUS_BITS)); 568c16b380fSderaadt } 569c16b380fSderaadt 570c16b380fSderaadt free(statusp); 571c16b380fSderaadt } 572c16b380fSderaadt 573c16b380fSderaadt return (0); 574c16b380fSderaadt 575c16b380fSderaadt usage: 576c16b380fSderaadt fprintf(stderr, "usage: %s %s [<element type>]\n", __progname, 577c16b380fSderaadt cname); 578c16b380fSderaadt return (1); 579c16b380fSderaadt } 580c16b380fSderaadt 581c16b380fSderaadt static int 582ab83b6d6Sderaadt parse_element_type(char *cp) 583c16b380fSderaadt { 584c16b380fSderaadt int i; 585c16b380fSderaadt 586c16b380fSderaadt for (i = 0; elements[i].et_name != NULL; ++i) 587c16b380fSderaadt if (strcmp(elements[i].et_name, cp) == 0) 588c16b380fSderaadt return (elements[i].et_type); 589c16b380fSderaadt 590c16b380fSderaadt errx(1, "invalid element type `%s'", cp); 591c16b380fSderaadt } 592c16b380fSderaadt 593c16b380fSderaadt static int 594ab83b6d6Sderaadt parse_element_unit(char *cp) 595c16b380fSderaadt { 596c16b380fSderaadt int i; 597c16b380fSderaadt char *p; 598c16b380fSderaadt 599c16b380fSderaadt i = (int)strtol(cp, &p, 10); 600c16b380fSderaadt if ((i < 0) || (*p != '\0')) 601c16b380fSderaadt errx(1, "invalid unit number `%s'", cp); 602c16b380fSderaadt 603c16b380fSderaadt return (i); 604c16b380fSderaadt } 605c16b380fSderaadt 606c16b380fSderaadt static int 607ab83b6d6Sderaadt parse_special(char *cp) 608c16b380fSderaadt { 609c16b380fSderaadt int val; 610c16b380fSderaadt 611c16b380fSderaadt val = is_special(cp); 612c16b380fSderaadt if (val) 613c16b380fSderaadt return (val); 614c16b380fSderaadt 615c16b380fSderaadt errx(1, "invalid modifier `%s'", cp); 616c16b380fSderaadt } 617c16b380fSderaadt 618c16b380fSderaadt static int 619ab83b6d6Sderaadt is_special(char *cp) 620c16b380fSderaadt { 621c16b380fSderaadt int i; 622c16b380fSderaadt 623c16b380fSderaadt for (i = 0; specials[i].sw_name != NULL; ++i) 624c16b380fSderaadt if (strcmp(specials[i].sw_name, cp) == 0) 625c16b380fSderaadt return (specials[i].sw_value); 626c16b380fSderaadt 627c16b380fSderaadt return (0); 628c16b380fSderaadt } 629c16b380fSderaadt 630c16b380fSderaadt static char * 631ab83b6d6Sderaadt bits_to_string(int v, const char *cp) 632c16b380fSderaadt { 633c16b380fSderaadt const char *np; 634c16b380fSderaadt char f, sep, *bp; 635c16b380fSderaadt static char buf[128]; 636c16b380fSderaadt 637c16b380fSderaadt bp = buf; 638c16b380fSderaadt bzero(buf, sizeof(buf)); 639c16b380fSderaadt 640c16b380fSderaadt for (sep = '<'; (f = *cp++) != 0; cp = np) { 641c16b380fSderaadt for (np = cp; *np >= ' ';) 642c16b380fSderaadt np++; 643c16b380fSderaadt if ((v & (1 << (f - 1))) == 0) 644c16b380fSderaadt continue; 6452f61c7c6Smillert (void)snprintf(bp, sizeof(buf) - (bp - &buf[0]), 646707c1213Sart "%c%.*s", sep, (int)(np - cp), cp); 6472f61c7c6Smillert bp += strlen(bp); 648c16b380fSderaadt sep = ','; 649c16b380fSderaadt } 650c16b380fSderaadt if (sep != '<') 651c16b380fSderaadt *bp = '>'; 652c16b380fSderaadt 653c16b380fSderaadt return (buf); 654c16b380fSderaadt } 655c16b380fSderaadt 656c16b380fSderaadt static void 657ab83b6d6Sderaadt usage(void) 658c16b380fSderaadt { 659b13cd761Sderaadt int i; 660c16b380fSderaadt 661b13cd761Sderaadt fprintf(stderr, "usage: %s [-f device] command [args ...]\n", 662b13cd761Sderaadt __progname); 663b13cd761Sderaadt fprintf(stderr, "commands:"); 664b13cd761Sderaadt for (i = 0; commands[i].cc_name; i++) 665b13cd761Sderaadt fprintf(stderr, " %s", commands[i].cc_name); 666b13cd761Sderaadt fprintf(stderr, "\n"); 667c16b380fSderaadt exit(1); 668c16b380fSderaadt } 669