1*3aaa63ebSderaadt /* $OpenBSD: chio.c,v 1.26 2019/06/28 13:34:58 deraadt 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 36f4faee91Sderaadt #include <sys/types.h> 37c16b380fSderaadt #include <sys/ioctl.h> 38b2b21931Sbeck #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> 48b2b21931Sbeck #include <util.h> 49c16b380fSderaadt 50c16b380fSderaadt #include "defs.h" 51c16b380fSderaadt #include "pathnames.h" 52c16b380fSderaadt 53b2b21931Sbeck #define _PATH_CH_CONF "/etc/chio.conf" 54b2b21931Sbeck 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 *); 632db6d628Sbeck static void find_voltag(char *, int *, int *); 642db6d628Sbeck static void check_source_drive(int); 65c16b380fSderaadt 66c72b5b24Smillert static int do_move(char *, int, char **); 67c72b5b24Smillert static int do_exchange(char *, int, char **); 68c72b5b24Smillert static int do_position(char *, int, char **); 69c72b5b24Smillert static int do_params(char *, int, char **); 70c72b5b24Smillert static int do_getpicker(char *, int, char **); 71c72b5b24Smillert static int do_setpicker(char *, int, char **); 72c72b5b24Smillert static int do_status(char *, int, char **); 73c16b380fSderaadt 74c16b380fSderaadt /* Valid changer element types. */ 75c16b380fSderaadt const struct element_type elements[] = { 76c16b380fSderaadt { "drive", CHET_DT }, 77b13cd761Sderaadt { "picker", CHET_MT }, 78b13cd761Sderaadt { "portal", CHET_IE }, 79b13cd761Sderaadt { "slot", CHET_ST }, 80c16b380fSderaadt { NULL, 0 }, 81c16b380fSderaadt }; 82c16b380fSderaadt 83c16b380fSderaadt /* Valid commands. */ 84c16b380fSderaadt const struct changer_command commands[] = { 85c16b380fSderaadt { "exchange", do_exchange }, 86c16b380fSderaadt { "getpicker", do_getpicker }, 87b13cd761Sderaadt { "move", do_move }, 88b13cd761Sderaadt { "params", do_params }, 89b13cd761Sderaadt { "position", do_position }, 90c16b380fSderaadt { "setpicker", do_setpicker }, 91c16b380fSderaadt { "status", do_status }, 92c16b380fSderaadt { NULL, 0 }, 93c16b380fSderaadt }; 94c16b380fSderaadt 95c16b380fSderaadt /* Valid special words. */ 96c16b380fSderaadt const struct special_word specials[] = { 97c16b380fSderaadt { "inv", SW_INVERT }, 98c16b380fSderaadt { "inv1", SW_INVERT1 }, 99c16b380fSderaadt { "inv2", SW_INVERT2 }, 100c16b380fSderaadt { NULL, 0 }, 101c16b380fSderaadt }; 102c16b380fSderaadt 103c16b380fSderaadt static int changer_fd; 104c16b380fSderaadt static char *changer_name; 105c4a732d1Sbeck static int avoltag; 106c4a732d1Sbeck static int pvoltag; 107c16b380fSderaadt 108c16b380fSderaadt int 109ab83b6d6Sderaadt main(int argc, char *argv[]) 110c16b380fSderaadt { 111c16b380fSderaadt int ch, i; 112c16b380fSderaadt 113f2f647aaSderaadt while ((ch = getopt(argc, argv, "f:")) != -1) { 114c16b380fSderaadt switch (ch) { 115c16b380fSderaadt case 'f': 116c16b380fSderaadt changer_name = optarg; 117c16b380fSderaadt break; 118c16b380fSderaadt default: 119c16b380fSderaadt usage(); 120c16b380fSderaadt } 121c16b380fSderaadt } 122c16b380fSderaadt argc -= optind; 123c16b380fSderaadt argv += optind; 124c16b380fSderaadt 125c16b380fSderaadt if (argc == 0) 126c16b380fSderaadt usage(); 127c16b380fSderaadt 128c16b380fSderaadt /* Get the default changer if not already specified. */ 129c16b380fSderaadt if (changer_name == NULL) 130c16b380fSderaadt if ((changer_name = getenv(CHANGER_ENV_VAR)) == NULL) 131c16b380fSderaadt changer_name = _PATH_CH; 132c16b380fSderaadt 133c16b380fSderaadt /* Open the changer device. */ 134c16b380fSderaadt if ((changer_fd = open(changer_name, O_RDWR, 0600)) == -1) 135c16b380fSderaadt err(1, "%s: open", changer_name); 136c16b380fSderaadt 137c16b380fSderaadt /* Find the specified command. */ 138c16b380fSderaadt for (i = 0; commands[i].cc_name != NULL; ++i) 139c16b380fSderaadt if (strcmp(*argv, commands[i].cc_name) == 0) 140c16b380fSderaadt break; 141b13cd761Sderaadt if (commands[i].cc_name == NULL) { 142b13cd761Sderaadt /* look for abbreviation */ 143b13cd761Sderaadt for (i = 0; commands[i].cc_name != NULL; ++i) 144b13cd761Sderaadt if (strncmp(*argv, commands[i].cc_name, 145b13cd761Sderaadt strlen(*argv)) == 0) 146b13cd761Sderaadt break; 147b13cd761Sderaadt } 148c16b380fSderaadt if (commands[i].cc_name == NULL) 149c16b380fSderaadt errx(1, "unknown command: %s", *argv); 150c16b380fSderaadt 151c16b380fSderaadt exit((*commands[i].cc_handler)(commands[i].cc_name, argc, argv)); 152c16b380fSderaadt } 153c16b380fSderaadt 154c16b380fSderaadt static int 155ab83b6d6Sderaadt do_move(char *cname, int argc, char *argv[]) 156c16b380fSderaadt { 157c16b380fSderaadt struct changer_move cmd; 158c16b380fSderaadt int val; 159c16b380fSderaadt 160c16b380fSderaadt /* 161c16b380fSderaadt * On a move command, we expect the following: 162c16b380fSderaadt * 163c16b380fSderaadt * <from ET> <from EU> <to ET> <to EU> [inv] 164c16b380fSderaadt * 165c16b380fSderaadt * where ET == element type and EU == element unit. 166c16b380fSderaadt */ 167f2f647aaSderaadt 168f2f647aaSderaadt ++argv; --argc; 169f2f647aaSderaadt 170c16b380fSderaadt if (argc < 4) { 171c16b380fSderaadt warnx("%s: too few arguments", cname); 172c16b380fSderaadt goto usage; 173c16b380fSderaadt } else if (argc > 5) { 174c16b380fSderaadt warnx("%s: too many arguments", cname); 175c16b380fSderaadt goto usage; 176c16b380fSderaadt } 177c16b380fSderaadt bzero(&cmd, sizeof(cmd)); 178c16b380fSderaadt 1792db6d628Sbeck /* 1802db6d628Sbeck * Get the from ET and EU - we search for it if the ET is 1812db6d628Sbeck * "voltag", otherwise, we just use the ET and EU given to us. 1822db6d628Sbeck */ 1832db6d628Sbeck if (strcmp(*argv, "voltag") == 0) { 1842db6d628Sbeck ++argv; --argc; 1852db6d628Sbeck find_voltag(*argv, &cmd.cm_fromtype, &cmd.cm_fromunit); 1862db6d628Sbeck ++argv; --argc; 1872db6d628Sbeck } else { 188c16b380fSderaadt cmd.cm_fromtype = parse_element_type(*argv); 189c16b380fSderaadt ++argv; --argc; 190c16b380fSderaadt cmd.cm_fromunit = parse_element_unit(*argv); 191c16b380fSderaadt ++argv; --argc; 192b2b21931Sbeck } 193b2b21931Sbeck 1942db6d628Sbeck if (cmd.cm_fromtype == CHET_DT) 1952db6d628Sbeck check_source_drive(cmd.cm_fromunit); 1962db6d628Sbeck 1972db6d628Sbeck /* 1982db6d628Sbeck * Don't allow voltag on the to ET, using a volume 1992db6d628Sbeck * as a destination makes no sense on a move 2002db6d628Sbeck */ 201c16b380fSderaadt cmd.cm_totype = parse_element_type(*argv); 202c16b380fSderaadt ++argv; --argc; 203c16b380fSderaadt cmd.cm_tounit = parse_element_unit(*argv); 204c16b380fSderaadt ++argv; --argc; 205c16b380fSderaadt 206c16b380fSderaadt /* Deal with optional command modifier. */ 207c16b380fSderaadt if (argc) { 208c16b380fSderaadt val = parse_special(*argv); 209c16b380fSderaadt switch (val) { 210c16b380fSderaadt case SW_INVERT: 211c16b380fSderaadt cmd.cm_flags |= CM_INVERT; 212c16b380fSderaadt break; 213c16b380fSderaadt 214c16b380fSderaadt default: 215c16b380fSderaadt errx(1, "%s: inappropriate modifier `%s'", 216c16b380fSderaadt cname, *argv); 217c16b380fSderaadt /* NOTREACHED */ 218c16b380fSderaadt } 219c16b380fSderaadt } 220c16b380fSderaadt 221c16b380fSderaadt /* Send command to changer. */ 222*3aaa63ebSderaadt if (ioctl(changer_fd, CHIOMOVE, &cmd) == -1) 223c16b380fSderaadt err(1, "%s: CHIOMOVE", changer_name); 224c16b380fSderaadt 225c16b380fSderaadt return (0); 226c16b380fSderaadt 227c16b380fSderaadt usage: 228c16b380fSderaadt fprintf(stderr, "usage: %s %s " 229c16b380fSderaadt "<from ET> <from EU> <to ET> <to EU> [inv]\n", __progname, cname); 230c16b380fSderaadt return (1); 231c16b380fSderaadt } 232c16b380fSderaadt 233c16b380fSderaadt static int 234ab83b6d6Sderaadt do_exchange(char *cname, int argc, char *argv[]) 235c16b380fSderaadt { 236c16b380fSderaadt struct changer_exchange cmd; 237c16b380fSderaadt int val; 238c16b380fSderaadt 239c16b380fSderaadt /* 240c16b380fSderaadt * On an exchange command, we expect the following: 241c16b380fSderaadt * 242c16b380fSderaadt * <src ET> <src EU> <dst1 ET> <dst1 EU> [<dst2 ET> <dst2 EU>] [inv1] [inv2] 243c16b380fSderaadt * 244c16b380fSderaadt * where ET == element type and EU == element unit. 245c16b380fSderaadt */ 246f2f647aaSderaadt 247f2f647aaSderaadt ++argv; --argc; 248f2f647aaSderaadt 249c16b380fSderaadt if (argc < 4) { 250c16b380fSderaadt warnx("%s: too few arguments", cname); 251c16b380fSderaadt goto usage; 252c16b380fSderaadt } else if (argc > 8) { 253c16b380fSderaadt warnx("%s: too many arguments", cname); 254c16b380fSderaadt goto usage; 255c16b380fSderaadt } 256c16b380fSderaadt bzero(&cmd, sizeof(cmd)); 257c16b380fSderaadt 258c16b380fSderaadt /* <src ET> */ 259c16b380fSderaadt cmd.ce_srctype = parse_element_type(*argv); 260c16b380fSderaadt ++argv; --argc; 261c16b380fSderaadt 262c16b380fSderaadt /* <src EU> */ 263c16b380fSderaadt cmd.ce_srcunit = parse_element_unit(*argv); 264c16b380fSderaadt ++argv; --argc; 265c16b380fSderaadt 266c16b380fSderaadt /* <dst1 ET> */ 267c16b380fSderaadt cmd.ce_fdsttype = parse_element_type(*argv); 268c16b380fSderaadt ++argv; --argc; 269c16b380fSderaadt 270c16b380fSderaadt /* <dst1 EU> */ 271c16b380fSderaadt cmd.ce_fdstunit = parse_element_unit(*argv); 272c16b380fSderaadt ++argv; --argc; 273c16b380fSderaadt 274c16b380fSderaadt /* 275c16b380fSderaadt * If the next token is a special word or there are no more 276c16b380fSderaadt * arguments, then this is a case of simple exchange. 277c16b380fSderaadt * dst2 == src. 278c16b380fSderaadt */ 279c16b380fSderaadt if ((argc == 0) || is_special(*argv)) { 280c16b380fSderaadt cmd.ce_sdsttype = cmd.ce_srctype; 281c16b380fSderaadt cmd.ce_sdstunit = cmd.ce_srcunit; 282c16b380fSderaadt goto do_special; 283c16b380fSderaadt } 284c16b380fSderaadt 285c16b380fSderaadt /* <dst2 ET> */ 286c16b380fSderaadt cmd.ce_sdsttype = parse_element_type(*argv); 287c16b380fSderaadt ++argv; --argc; 288c16b380fSderaadt 289c16b380fSderaadt /* <dst2 EU> */ 290c16b380fSderaadt cmd.ce_sdstunit = parse_element_unit(*argv); 291c16b380fSderaadt ++argv; --argc; 292c16b380fSderaadt 293c16b380fSderaadt do_special: 294c16b380fSderaadt /* Deal with optional command modifiers. */ 295c16b380fSderaadt while (argc) { 296c16b380fSderaadt val = parse_special(*argv); 297c16b380fSderaadt ++argv; --argc; 298c16b380fSderaadt switch (val) { 299c16b380fSderaadt case SW_INVERT1: 300c16b380fSderaadt cmd.ce_flags |= CE_INVERT1; 301c16b380fSderaadt break; 302c16b380fSderaadt 303c16b380fSderaadt case SW_INVERT2: 304c16b380fSderaadt cmd.ce_flags |= CE_INVERT2; 305c16b380fSderaadt break; 306c16b380fSderaadt 307c16b380fSderaadt default: 308c16b380fSderaadt errx(1, "%s: inappropriate modifier `%s'", 309c16b380fSderaadt cname, *argv); 310c16b380fSderaadt /* NOTREACHED */ 311c16b380fSderaadt } 312c16b380fSderaadt } 313c16b380fSderaadt 314c16b380fSderaadt /* Send command to changer. */ 315*3aaa63ebSderaadt if (ioctl(changer_fd, CHIOEXCHANGE, &cmd) == -1) 316c16b380fSderaadt err(1, "%s: CHIOEXCHANGE", changer_name); 317c16b380fSderaadt 318c16b380fSderaadt return (0); 319c16b380fSderaadt 320c16b380fSderaadt usage: 321c16b380fSderaadt fprintf(stderr, "usage: %s %s <src ET> <src EU> <dst1 ET> <dst1 EU>\n" 322c16b380fSderaadt " [<dst2 ET> <dst2 EU>] [inv1] [inv2]\n", 323c16b380fSderaadt __progname, cname); 324c16b380fSderaadt return (1); 325c16b380fSderaadt } 326c16b380fSderaadt 327c16b380fSderaadt static int 328ab83b6d6Sderaadt do_position(char *cname, int argc, char *argv[]) 329c16b380fSderaadt { 330c16b380fSderaadt struct changer_position cmd; 331c16b380fSderaadt int val; 332c16b380fSderaadt 333c16b380fSderaadt /* 334c16b380fSderaadt * On a position command, we expect the following: 335c16b380fSderaadt * 336c16b380fSderaadt * <to ET> <to EU> [inv] 337c16b380fSderaadt * 338c16b380fSderaadt * where ET == element type and EU == element unit. 339c16b380fSderaadt */ 340f2f647aaSderaadt 341f2f647aaSderaadt ++argv; --argc; 342f2f647aaSderaadt 343c16b380fSderaadt if (argc < 2) { 344c16b380fSderaadt warnx("%s: too few arguments", cname); 345c16b380fSderaadt goto usage; 346c16b380fSderaadt } else if (argc > 3) { 347c16b380fSderaadt warnx("%s: too many arguments", cname); 348c16b380fSderaadt goto usage; 349c16b380fSderaadt } 350c16b380fSderaadt bzero(&cmd, sizeof(cmd)); 351c16b380fSderaadt 352c16b380fSderaadt /* <to ET> */ 353c16b380fSderaadt cmd.cp_type = parse_element_type(*argv); 354c16b380fSderaadt ++argv; --argc; 355c16b380fSderaadt 356c16b380fSderaadt /* <to EU> */ 357c16b380fSderaadt cmd.cp_unit = parse_element_unit(*argv); 358c16b380fSderaadt ++argv; --argc; 359c16b380fSderaadt 360c16b380fSderaadt /* Deal with optional command modifier. */ 361c16b380fSderaadt if (argc) { 362c16b380fSderaadt val = parse_special(*argv); 363c16b380fSderaadt switch (val) { 364c16b380fSderaadt case SW_INVERT: 365c16b380fSderaadt cmd.cp_flags |= CP_INVERT; 366c16b380fSderaadt break; 367c16b380fSderaadt 368c16b380fSderaadt default: 369c16b380fSderaadt errx(1, "%s: inappropriate modifier `%s'", 370c16b380fSderaadt cname, *argv); 371c16b380fSderaadt /* NOTREACHED */ 372c16b380fSderaadt } 373c16b380fSderaadt } 374c16b380fSderaadt 375c16b380fSderaadt /* Send command to changer. */ 376*3aaa63ebSderaadt if (ioctl(changer_fd, CHIOPOSITION, &cmd) == -1) 377c16b380fSderaadt err(1, "%s: CHIOPOSITION", changer_name); 378c16b380fSderaadt 379c16b380fSderaadt return (0); 380c16b380fSderaadt 381c16b380fSderaadt usage: 382c16b380fSderaadt fprintf(stderr, "usage: %s %s <to ET> <to EU> [inv]\n", 383c16b380fSderaadt __progname, cname); 384c16b380fSderaadt return (1); 385c16b380fSderaadt } 386c16b380fSderaadt 387c16b380fSderaadt static int 388ab83b6d6Sderaadt do_params(char *cname, int argc, char *argv[]) 389c16b380fSderaadt { 390c16b380fSderaadt struct changer_params data; 391c16b380fSderaadt 392c16b380fSderaadt /* No arguments to this command. */ 393f2f647aaSderaadt 394f2f647aaSderaadt ++argv; --argc; 395f2f647aaSderaadt 396c16b380fSderaadt if (argc) { 397d9248734Stodd warnx("%s: no arguments expected", cname); 398c16b380fSderaadt goto usage; 399c16b380fSderaadt } 400c16b380fSderaadt 401c16b380fSderaadt /* Get params from changer and display them. */ 402c16b380fSderaadt bzero(&data, sizeof(data)); 403*3aaa63ebSderaadt if (ioctl(changer_fd, CHIOGPARAMS, &data) == -1) 404c16b380fSderaadt err(1, "%s: CHIOGPARAMS", changer_name); 405c16b380fSderaadt 406c16b380fSderaadt printf("%s: %d slot%s, %d drive%s, %d picker%s", 407c16b380fSderaadt changer_name, 408c16b380fSderaadt data.cp_nslots, (data.cp_nslots > 1) ? "s" : "", 409c16b380fSderaadt data.cp_ndrives, (data.cp_ndrives > 1) ? "s" : "", 410c16b380fSderaadt data.cp_npickers, (data.cp_npickers > 1) ? "s" : ""); 411c16b380fSderaadt if (data.cp_nportals) 412c16b380fSderaadt printf(", %d portal%s", data.cp_nportals, 413c16b380fSderaadt (data.cp_nportals > 1) ? "s" : ""); 414c16b380fSderaadt printf("\n%s: current picker: %d\n", changer_name, data.cp_curpicker); 415c16b380fSderaadt 416c16b380fSderaadt return (0); 417c16b380fSderaadt 418c16b380fSderaadt usage: 419c16b380fSderaadt fprintf(stderr, "usage: %s %s\n", __progname, cname); 420c16b380fSderaadt return (1); 421c16b380fSderaadt } 422c16b380fSderaadt 423c16b380fSderaadt static int 424ab83b6d6Sderaadt do_getpicker(char *cname, int argc, char *argv[]) 425c16b380fSderaadt { 426c16b380fSderaadt int picker; 427c16b380fSderaadt 428c16b380fSderaadt /* No arguments to this command. */ 429f2f647aaSderaadt 430f2f647aaSderaadt ++argv; --argc; 431f2f647aaSderaadt 432c16b380fSderaadt if (argc) { 433c16b380fSderaadt warnx("%s: no arguments expected", cname); 434c16b380fSderaadt goto usage; 435c16b380fSderaadt } 436c16b380fSderaadt 437c16b380fSderaadt /* Get current picker from changer and display it. */ 438*3aaa63ebSderaadt if (ioctl(changer_fd, CHIOGPICKER, &picker) == -1) 439c16b380fSderaadt err(1, "%s: CHIOGPICKER", changer_name); 440c16b380fSderaadt 441c16b380fSderaadt printf("%s: current picker: %d\n", changer_name, picker); 442c16b380fSderaadt 443c16b380fSderaadt return (0); 444c16b380fSderaadt 445c16b380fSderaadt usage: 446c16b380fSderaadt fprintf(stderr, "usage: %s %s\n", __progname, cname); 447c16b380fSderaadt return (1); 448c16b380fSderaadt } 449c16b380fSderaadt 450c16b380fSderaadt static int 451ab83b6d6Sderaadt do_setpicker(char *cname, int argc, char *argv[]) 452c16b380fSderaadt { 453c16b380fSderaadt int picker; 454c16b380fSderaadt 455f2f647aaSderaadt ++argv; --argc; 456f2f647aaSderaadt 457c16b380fSderaadt if (argc < 1) { 458c16b380fSderaadt warnx("%s: too few arguments", cname); 459c16b380fSderaadt goto usage; 460c16b380fSderaadt } else if (argc > 1) { 461c16b380fSderaadt warnx("%s: too many arguments", cname); 462c16b380fSderaadt goto usage; 463c16b380fSderaadt } 464c16b380fSderaadt 465c16b380fSderaadt picker = parse_element_unit(*argv); 466c16b380fSderaadt 467c16b380fSderaadt /* Set the changer picker. */ 468*3aaa63ebSderaadt if (ioctl(changer_fd, CHIOSPICKER, &picker) == -1) 469c16b380fSderaadt err(1, "%s: CHIOSPICKER", changer_name); 470c16b380fSderaadt 471c16b380fSderaadt return (0); 472c16b380fSderaadt 473c16b380fSderaadt usage: 474c16b380fSderaadt fprintf(stderr, "usage: %s %s <picker>\n", __progname, cname); 475c16b380fSderaadt return (1); 476c16b380fSderaadt } 477c16b380fSderaadt 478c16b380fSderaadt static int 479ab83b6d6Sderaadt do_status(char *cname, int argc, char *argv[]) 480c16b380fSderaadt { 481c4a732d1Sbeck struct changer_element_status_request cmd; 482c16b380fSderaadt struct changer_params data; 483f2f647aaSderaadt int i, chet, schet, echet, c; 484764064c4Smickey char *description; 485496bd962Sderaadt size_t count; 486764064c4Smickey 487f2f647aaSderaadt optreset = 1; 488f2f647aaSderaadt optind = 1; 489f2f647aaSderaadt while ((c = getopt(argc, argv, "vVa")) != -1) { 490f2f647aaSderaadt switch (c) { 491f2f647aaSderaadt case 'v': 492f2f647aaSderaadt pvoltag = 1; 493f2f647aaSderaadt break; 494f2f647aaSderaadt case 'V': 495f2f647aaSderaadt avoltag = 1; 496f2f647aaSderaadt break; 497f2f647aaSderaadt case 'a': 498f2f647aaSderaadt pvoltag = avoltag = 1; 499f2f647aaSderaadt break; 500f2f647aaSderaadt default: 501f2f647aaSderaadt goto usage; 502f2f647aaSderaadt } 503f2f647aaSderaadt } 504f2f647aaSderaadt 505f2f647aaSderaadt argc -= optind; 506f2f647aaSderaadt argv += optind; 507f2f647aaSderaadt 508c16b380fSderaadt /* 509c16b380fSderaadt * On a status command, we expect the following: 510c16b380fSderaadt * 511c16b380fSderaadt * [<ET>] 512c16b380fSderaadt * 513c16b380fSderaadt * where ET == element type. 514c16b380fSderaadt * 515c16b380fSderaadt * If we get no arguments, we get the status of all 516c16b380fSderaadt * known element types. 517c16b380fSderaadt */ 518c16b380fSderaadt if (argc > 1) { 519c16b380fSderaadt warnx("%s: too many arguments", cname); 520c16b380fSderaadt goto usage; 521c16b380fSderaadt } 522c16b380fSderaadt 523c16b380fSderaadt /* 524c16b380fSderaadt * Get params from changer. Specifically, we need the element 525c16b380fSderaadt * counts. 526c16b380fSderaadt */ 527c16b380fSderaadt bzero(&data, sizeof(data)); 528*3aaa63ebSderaadt if (ioctl(changer_fd, CHIOGPARAMS, &data) == -1) 529c16b380fSderaadt err(1, "%s: CHIOGPARAMS", changer_name); 530c16b380fSderaadt 531c16b380fSderaadt if (argc) 532c16b380fSderaadt schet = echet = parse_element_type(*argv); 533c16b380fSderaadt else { 534c16b380fSderaadt schet = CHET_MT; 535c16b380fSderaadt echet = CHET_DT; 536c16b380fSderaadt } 537c16b380fSderaadt 538c16b380fSderaadt for (chet = schet; chet <= echet; ++chet) { 539c16b380fSderaadt switch (chet) { 540c16b380fSderaadt case CHET_MT: 541c16b380fSderaadt count = data.cp_npickers; 542c16b380fSderaadt description = "picker"; 543c16b380fSderaadt break; 544c16b380fSderaadt 545c16b380fSderaadt case CHET_ST: 546c16b380fSderaadt count = data.cp_nslots; 547c16b380fSderaadt description = "slot"; 548c16b380fSderaadt break; 549c16b380fSderaadt 550c16b380fSderaadt case CHET_IE: 551c16b380fSderaadt count = data.cp_nportals; 552c16b380fSderaadt description = "portal"; 553c16b380fSderaadt break; 554c16b380fSderaadt 555c16b380fSderaadt case CHET_DT: 556c16b380fSderaadt count = data.cp_ndrives; 557c16b380fSderaadt description = "drive"; 558c16b380fSderaadt break; 559c16b380fSderaadt } 560c16b380fSderaadt 561c16b380fSderaadt if (count == 0) { 562c16b380fSderaadt if (argc == 0) 563c16b380fSderaadt continue; 564c16b380fSderaadt else { 565c16b380fSderaadt printf("%s: no %s elements\n", 566c16b380fSderaadt changer_name, description); 567c16b380fSderaadt return (0); 568c16b380fSderaadt } 569c16b380fSderaadt } 570c16b380fSderaadt 571c16b380fSderaadt bzero(&cmd, sizeof(cmd)); 572c16b380fSderaadt 573c4a732d1Sbeck cmd.cesr_type = chet; 574c4a732d1Sbeck /* Allocate storage for the status info. */ 575c4a732d1Sbeck cmd.cesr_data = calloc(count, sizeof(*cmd.cesr_data)); 576c4a732d1Sbeck if ((cmd.cesr_data) == NULL) 577c4a732d1Sbeck errx(1, "can't allocate status storage"); 578c4a732d1Sbeck if (avoltag || pvoltag) 579c4a732d1Sbeck cmd.cesr_flags |= CESR_VOLTAGS; 580c16b380fSderaadt 581*3aaa63ebSderaadt if (ioctl(changer_fd, CHIOGSTATUS, &cmd) == -1) { 582c4a732d1Sbeck free(cmd.cesr_data); 583c16b380fSderaadt err(1, "%s: CHIOGSTATUS", changer_name); 584c16b380fSderaadt } 585c16b380fSderaadt 586c16b380fSderaadt /* Dump the status for each element of this type. */ 587c16b380fSderaadt for (i = 0; i < count; ++i) { 588c4a732d1Sbeck struct changer_element_status *ces = 589c4a732d1Sbeck &(cmd.cesr_data[i]); 590c4a732d1Sbeck printf("%s %d: %s", description, i, 591c4a732d1Sbeck bits_to_string(ces->ces_flags, CESTATUS_BITS)); 592c4a732d1Sbeck if (pvoltag) 593c4a732d1Sbeck printf(" voltag: <%s:%d>", 594c4a732d1Sbeck ces->ces_pvoltag.cv_volid, 595c4a732d1Sbeck ces->ces_pvoltag.cv_serial); 596c4a732d1Sbeck if (avoltag) 597c4a732d1Sbeck printf(" avoltag: <%s:%d>", 598c4a732d1Sbeck ces->ces_avoltag.cv_volid, 599c4a732d1Sbeck ces->ces_avoltag.cv_serial); 600c4a732d1Sbeck printf("\n"); 601c16b380fSderaadt } 602c16b380fSderaadt 603c4a732d1Sbeck free(cmd.cesr_data); 604c16b380fSderaadt } 605c16b380fSderaadt 606c16b380fSderaadt return (0); 607c16b380fSderaadt 608c16b380fSderaadt usage: 609c16b380fSderaadt fprintf(stderr, "usage: %s %s [<element type>]\n", __progname, 610c16b380fSderaadt cname); 611c16b380fSderaadt return (1); 612c16b380fSderaadt } 613c16b380fSderaadt 6142db6d628Sbeck /* 6152db6d628Sbeck * Check a drive unit as the source for a move or exchange 6162db6d628Sbeck * operation. If the drive is not accessible, we attempt 6172db6d628Sbeck * to unmount the tape in it before moving to avoid 6182db6d628Sbeck * errors in "disconnected" type pickers where the drive 61980adcad8Smartynas * is on a separate target from the changer. 6202db6d628Sbeck */ 6212db6d628Sbeck static void 622f2f647aaSderaadt check_source_drive(int unit) 623f2f647aaSderaadt { 6242db6d628Sbeck struct mtop mtoffl = { MTOFFL, 1 }; 6252db6d628Sbeck struct changer_element_status_request cmd; 6262db6d628Sbeck struct changer_element_status *ces; 6272db6d628Sbeck struct changer_params data; 6282db6d628Sbeck size_t count = 0; 6292db6d628Sbeck int mtfd; 6302db6d628Sbeck char *tapedev; 6312db6d628Sbeck 6322db6d628Sbeck /* 6332db6d628Sbeck * Get params from changer. Specifically, we need the element 6342db6d628Sbeck * counts. 6352db6d628Sbeck */ 6362db6d628Sbeck bzero(&data, sizeof(data)); 637*3aaa63ebSderaadt if (ioctl(changer_fd, CHIOGPARAMS, &data) == -1) 6382db6d628Sbeck err(1, "%s: CHIOGPARAMS", changer_name); 6392db6d628Sbeck 6402db6d628Sbeck count = data.cp_ndrives; 6412db6d628Sbeck if (unit < 0 || unit >= count) 6422db6d628Sbeck err(1, "%s: invalid drive: drive %d", changer_name, unit); 6432db6d628Sbeck 6442db6d628Sbeck bzero(&cmd, sizeof(cmd)); 6452db6d628Sbeck cmd.cesr_type = CHET_DT; 6462db6d628Sbeck /* Allocate storage for the status info. */ 6472db6d628Sbeck cmd.cesr_data = calloc(count, sizeof(*cmd.cesr_data)); 6482db6d628Sbeck if ((cmd.cesr_data) == NULL) 6492db6d628Sbeck errx(1, "can't allocate status storage"); 6502db6d628Sbeck 651*3aaa63ebSderaadt if (ioctl(changer_fd, CHIOGSTATUS, &cmd) == -1) { 6522db6d628Sbeck free(cmd.cesr_data); 6532db6d628Sbeck err(1, "%s: CHIOGSTATUS", changer_name); 6542db6d628Sbeck } 6552db6d628Sbeck ces = &(cmd.cesr_data[unit]); 6562db6d628Sbeck 6572db6d628Sbeck if ((ces->ces_flags & CESTATUS_FULL) != CESTATUS_FULL) 6582db6d628Sbeck err(1, "%s: drive %d is empty!", changer_name, unit); 6592db6d628Sbeck 6602db6d628Sbeck if ((ces->ces_flags & CESTATUS_ACCESS) == CESTATUS_ACCESS) 6612db6d628Sbeck return; /* changer thinks all is well - trust it */ 6622db6d628Sbeck 6632db6d628Sbeck /* 6642db6d628Sbeck * Otherwise, drive is FULL, but not accessible. 6652db6d628Sbeck * Try to make it accessible by doing an mt offline. 6662db6d628Sbeck */ 6672db6d628Sbeck tapedev = parse_tapedev(_PATH_CH_CONF, changer_name, unit); 668f2875fa7Skrw mtfd = opendev(tapedev, O_RDONLY, 0, NULL); 6692db6d628Sbeck if (mtfd == -1) 6702db6d628Sbeck err(1, "%s drive %d (%s): open", changer_name, unit, tapedev); 6712db6d628Sbeck if (ioctl(mtfd, MTIOCTOP, &mtoffl) == -1) 6722db6d628Sbeck err(1, "%s drive %d (%s): rewoffl", changer_name, unit, 6732db6d628Sbeck tapedev); 6742db6d628Sbeck close(mtfd); 6752db6d628Sbeck } 6762db6d628Sbeck 6772db6d628Sbeck void 6782db6d628Sbeck find_voltag(char *voltag, int *type, int *unit) 6792db6d628Sbeck { 6802db6d628Sbeck struct changer_element_status_request cmd; 6812db6d628Sbeck struct changer_params data; 6822db6d628Sbeck int i, chet, schet, echet, found; 6832db6d628Sbeck size_t count = 0; 6842db6d628Sbeck 6852db6d628Sbeck /* 6862db6d628Sbeck * Get params from changer. Specifically, we need the element 6872db6d628Sbeck * counts. 6882db6d628Sbeck */ 6892db6d628Sbeck bzero(&data, sizeof(data)); 690*3aaa63ebSderaadt if (ioctl(changer_fd, CHIOGPARAMS, &data) == -1) 6912db6d628Sbeck err(1, "%s: CHIOGPARAMS", changer_name); 6922db6d628Sbeck 6932db6d628Sbeck found = 0; 6942db6d628Sbeck schet = CHET_MT; 6952db6d628Sbeck echet = CHET_DT; 6962db6d628Sbeck 6972db6d628Sbeck /* 6982db6d628Sbeck * For each type of element, iterate through each one until 6992db6d628Sbeck * we find the correct volume id. 7002db6d628Sbeck */ 7012db6d628Sbeck for (chet = schet; chet <= echet; ++chet) { 7022db6d628Sbeck switch (chet) { 7032db6d628Sbeck case CHET_MT: 7042db6d628Sbeck count = data.cp_npickers; 7052db6d628Sbeck break; 7062db6d628Sbeck case CHET_ST: 7072db6d628Sbeck count = data.cp_nslots; 7082db6d628Sbeck break; 7092db6d628Sbeck case CHET_IE: 7102db6d628Sbeck count = data.cp_nportals; 7112db6d628Sbeck break; 7122db6d628Sbeck case CHET_DT: 7132db6d628Sbeck count = data.cp_ndrives; 7142db6d628Sbeck break; 7152db6d628Sbeck } 7162db6d628Sbeck if (count == 0 || found) 7172db6d628Sbeck continue; 7182db6d628Sbeck 7192db6d628Sbeck bzero(&cmd, sizeof(cmd)); 7202db6d628Sbeck cmd.cesr_type = chet; 7212db6d628Sbeck /* Allocate storage for the status info. */ 7222db6d628Sbeck cmd.cesr_data = calloc(count, sizeof(*cmd.cesr_data)); 7232db6d628Sbeck if ((cmd.cesr_data) == NULL) 7242db6d628Sbeck errx(1, "can't allocate status storage"); 7252db6d628Sbeck cmd.cesr_flags |= CESR_VOLTAGS; 7262db6d628Sbeck 727*3aaa63ebSderaadt if (ioctl(changer_fd, CHIOGSTATUS, &cmd) == -1) { 7282db6d628Sbeck free(cmd.cesr_data); 7292db6d628Sbeck err(1, "%s: CHIOGSTATUS", changer_name); 7302db6d628Sbeck } 7312db6d628Sbeck 7322db6d628Sbeck /* 7332db6d628Sbeck * look through each element to see if it has our desired 7342db6d628Sbeck * volume tag. 7352db6d628Sbeck */ 7362db6d628Sbeck for (i = 0; i < count; ++i) { 7372db6d628Sbeck struct changer_element_status *ces = 7382db6d628Sbeck &(cmd.cesr_data[i]); 7392db6d628Sbeck if ((ces->ces_flags & CESTATUS_FULL) != CESTATUS_FULL) 7402db6d628Sbeck continue; /* no tape in drive */ 7412db6d628Sbeck if (strcasecmp(voltag, ces->ces_pvoltag.cv_volid) 7422db6d628Sbeck == 0) { 7432db6d628Sbeck *type = chet; 7442db6d628Sbeck *unit = i; 7452db6d628Sbeck found = 1; 7462db6d628Sbeck free(cmd.cesr_data); 7472db6d628Sbeck return; 7482db6d628Sbeck } 7492db6d628Sbeck } 7502db6d628Sbeck free(cmd.cesr_data); 7512db6d628Sbeck } 7522db6d628Sbeck errx(1, "%s: unable to locate voltag: %s", changer_name, voltag); 7532db6d628Sbeck } 7542db6d628Sbeck 7552db6d628Sbeck 756c16b380fSderaadt static int 757ab83b6d6Sderaadt parse_element_type(char *cp) 758c16b380fSderaadt { 759c16b380fSderaadt int i; 760c16b380fSderaadt 761c16b380fSderaadt for (i = 0; elements[i].et_name != NULL; ++i) 762c16b380fSderaadt if (strcmp(elements[i].et_name, cp) == 0) 763c16b380fSderaadt return (elements[i].et_type); 764c16b380fSderaadt 765c16b380fSderaadt errx(1, "invalid element type `%s'", cp); 766c16b380fSderaadt } 767c16b380fSderaadt 768c16b380fSderaadt static int 769ab83b6d6Sderaadt parse_element_unit(char *cp) 770c16b380fSderaadt { 771c16b380fSderaadt int i; 772c16b380fSderaadt char *p; 773c16b380fSderaadt 774c16b380fSderaadt i = (int)strtol(cp, &p, 10); 775c16b380fSderaadt if ((i < 0) || (*p != '\0')) 776c16b380fSderaadt errx(1, "invalid unit number `%s'", cp); 777c16b380fSderaadt 778c16b380fSderaadt return (i); 779c16b380fSderaadt } 780c16b380fSderaadt 781c16b380fSderaadt static int 782ab83b6d6Sderaadt parse_special(char *cp) 783c16b380fSderaadt { 784c16b380fSderaadt int val; 785c16b380fSderaadt 786c16b380fSderaadt val = is_special(cp); 787c16b380fSderaadt if (val) 788c16b380fSderaadt return (val); 789c16b380fSderaadt 790c16b380fSderaadt errx(1, "invalid modifier `%s'", cp); 791c16b380fSderaadt } 792c16b380fSderaadt 793c16b380fSderaadt static int 794ab83b6d6Sderaadt is_special(char *cp) 795c16b380fSderaadt { 796c16b380fSderaadt int i; 797c16b380fSderaadt 798c16b380fSderaadt for (i = 0; specials[i].sw_name != NULL; ++i) 799c16b380fSderaadt if (strcmp(specials[i].sw_name, cp) == 0) 800c16b380fSderaadt return (specials[i].sw_value); 801c16b380fSderaadt 802c16b380fSderaadt return (0); 803c16b380fSderaadt } 804c16b380fSderaadt 805c16b380fSderaadt static char * 806ab83b6d6Sderaadt bits_to_string(int v, const char *cp) 807c16b380fSderaadt { 808c16b380fSderaadt const char *np; 809c16b380fSderaadt char f, sep, *bp; 810c16b380fSderaadt static char buf[128]; 811c16b380fSderaadt 812c16b380fSderaadt bp = buf; 813c16b380fSderaadt bzero(buf, sizeof(buf)); 814c16b380fSderaadt 815c16b380fSderaadt for (sep = '<'; (f = *cp++) != 0; cp = np) { 816c16b380fSderaadt for (np = cp; *np >= ' ';) 817c16b380fSderaadt np++; 818c16b380fSderaadt if ((v & (1 << (f - 1))) == 0) 819c16b380fSderaadt continue; 8202f61c7c6Smillert (void)snprintf(bp, sizeof(buf) - (bp - &buf[0]), 821707c1213Sart "%c%.*s", sep, (int)(np - cp), cp); 8222f61c7c6Smillert bp += strlen(bp); 823c16b380fSderaadt sep = ','; 824c16b380fSderaadt } 825c16b380fSderaadt if (sep != '<') 826c16b380fSderaadt *bp = '>'; 827c16b380fSderaadt 828c16b380fSderaadt return (buf); 829c16b380fSderaadt } 830c16b380fSderaadt 831c16b380fSderaadt static void 832ab83b6d6Sderaadt usage(void) 833c16b380fSderaadt { 834b13cd761Sderaadt int i; 835c16b380fSderaadt 836cc600725Ssobrado fprintf(stderr, "usage: %s [-f changer] command [arg ...]\n", 837b13cd761Sderaadt __progname); 838b13cd761Sderaadt fprintf(stderr, "commands:"); 839b13cd761Sderaadt for (i = 0; commands[i].cc_name; i++) 840b13cd761Sderaadt fprintf(stderr, " %s", commands[i].cc_name); 841b13cd761Sderaadt fprintf(stderr, "\n"); 842c16b380fSderaadt exit(1); 843c16b380fSderaadt } 844