1*ab83b6d6Sderaadt /* $OpenBSD: chio.c,v 1.11 2002/07/04 04:26:39 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 36c16b380fSderaadt #include <sys/param.h> 37c16b380fSderaadt #include <sys/ioctl.h> 38c16b380fSderaadt #include <sys/chio.h> 39c16b380fSderaadt #include <err.h> 40c16b380fSderaadt #include <errno.h> 41c16b380fSderaadt #include <fcntl.h> 42c16b380fSderaadt #include <limits.h> 43c16b380fSderaadt #include <stdio.h> 44c16b380fSderaadt #include <stdlib.h> 45c16b380fSderaadt #include <string.h> 46c16b380fSderaadt #include <unistd.h> 47c16b380fSderaadt 48c16b380fSderaadt #include "defs.h" 49c16b380fSderaadt #include "pathnames.h" 50c16b380fSderaadt 51c16b380fSderaadt extern char *__progname; /* from crt0.o */ 52c16b380fSderaadt 53c72b5b24Smillert static void usage(void); 54c72b5b24Smillert static int parse_element_type(char *); 55c72b5b24Smillert static int parse_element_unit(char *); 56c72b5b24Smillert static int parse_special(char *); 57c72b5b24Smillert static int is_special(char *); 58c72b5b24Smillert static char *bits_to_string(int, const char *); 59c16b380fSderaadt 60c72b5b24Smillert static int do_move(char *, int, char **); 61c72b5b24Smillert static int do_exchange(char *, int, char **); 62c72b5b24Smillert static int do_position(char *, int, char **); 63c72b5b24Smillert static int do_params(char *, int, char **); 64c72b5b24Smillert static int do_getpicker(char *, int, char **); 65c72b5b24Smillert static int do_setpicker(char *, int, char **); 66c72b5b24Smillert static int do_status(char *, int, char **); 67c16b380fSderaadt 68c16b380fSderaadt /* Valid changer element types. */ 69c16b380fSderaadt const struct element_type elements[] = { 70c16b380fSderaadt { "drive", CHET_DT }, 71b13cd761Sderaadt { "picker", CHET_MT }, 72b13cd761Sderaadt { "portal", CHET_IE }, 73b13cd761Sderaadt { "slot", CHET_ST }, 74c16b380fSderaadt { NULL, 0 }, 75c16b380fSderaadt }; 76c16b380fSderaadt 77c16b380fSderaadt /* Valid commands. */ 78c16b380fSderaadt const struct changer_command commands[] = { 79c16b380fSderaadt { "exchange", do_exchange }, 80c16b380fSderaadt { "getpicker", do_getpicker }, 81b13cd761Sderaadt { "move", do_move }, 82b13cd761Sderaadt { "params", do_params }, 83b13cd761Sderaadt { "position", do_position }, 84c16b380fSderaadt { "setpicker", do_setpicker }, 85c16b380fSderaadt { "status", do_status }, 86c16b380fSderaadt { NULL, 0 }, 87c16b380fSderaadt }; 88c16b380fSderaadt 89c16b380fSderaadt /* Valid special words. */ 90c16b380fSderaadt const struct special_word specials[] = { 91c16b380fSderaadt { "inv", SW_INVERT }, 92c16b380fSderaadt { "inv1", SW_INVERT1 }, 93c16b380fSderaadt { "inv2", SW_INVERT2 }, 94c16b380fSderaadt { NULL, 0 }, 95c16b380fSderaadt }; 96c16b380fSderaadt 97c16b380fSderaadt static int changer_fd; 98c16b380fSderaadt static char *changer_name; 99c16b380fSderaadt 100c16b380fSderaadt int 101*ab83b6d6Sderaadt main(int argc, char *argv[]) 102c16b380fSderaadt { 103c16b380fSderaadt int ch, i; 104c16b380fSderaadt 105c16b380fSderaadt while ((ch = getopt(argc, argv, "f:")) != -1) { 106c16b380fSderaadt switch (ch) { 107c16b380fSderaadt case 'f': 108c16b380fSderaadt changer_name = optarg; 109c16b380fSderaadt break; 110c16b380fSderaadt 111c16b380fSderaadt default: 112c16b380fSderaadt usage(); 113c16b380fSderaadt } 114c16b380fSderaadt } 115c16b380fSderaadt argc -= optind; 116c16b380fSderaadt argv += optind; 117c16b380fSderaadt 118c16b380fSderaadt if (argc == 0) 119c16b380fSderaadt usage(); 120c16b380fSderaadt 121c16b380fSderaadt /* Get the default changer if not already specified. */ 122c16b380fSderaadt if (changer_name == NULL) 123c16b380fSderaadt if ((changer_name = getenv(CHANGER_ENV_VAR)) == NULL) 124c16b380fSderaadt changer_name = _PATH_CH; 125c16b380fSderaadt 126c16b380fSderaadt /* Open the changer device. */ 127c16b380fSderaadt if ((changer_fd = open(changer_name, O_RDWR, 0600)) == -1) 128c16b380fSderaadt err(1, "%s: open", changer_name); 129c16b380fSderaadt 130c16b380fSderaadt /* Find the specified command. */ 131c16b380fSderaadt for (i = 0; commands[i].cc_name != NULL; ++i) 132c16b380fSderaadt if (strcmp(*argv, commands[i].cc_name) == 0) 133c16b380fSderaadt break; 134b13cd761Sderaadt if (commands[i].cc_name == NULL) { 135b13cd761Sderaadt /* look for abbreviation */ 136b13cd761Sderaadt for (i = 0; commands[i].cc_name != NULL; ++i) 137b13cd761Sderaadt if (strncmp(*argv, commands[i].cc_name, 138b13cd761Sderaadt strlen(*argv)) == 0) 139b13cd761Sderaadt break; 140b13cd761Sderaadt } 141c16b380fSderaadt if (commands[i].cc_name == NULL) 142c16b380fSderaadt errx(1, "unknown command: %s", *argv); 143c16b380fSderaadt 144c16b380fSderaadt /* Skip over the command name and call handler. */ 145c16b380fSderaadt ++argv; --argc; 146c16b380fSderaadt exit ((*commands[i].cc_handler)(commands[i].cc_name, argc, argv)); 147c16b380fSderaadt } 148c16b380fSderaadt 149c16b380fSderaadt static int 150*ab83b6d6Sderaadt do_move(char *cname, int argc, char *argv[]) 151c16b380fSderaadt { 152c16b380fSderaadt struct changer_move cmd; 153c16b380fSderaadt int val; 154c16b380fSderaadt 155c16b380fSderaadt /* 156c16b380fSderaadt * On a move command, we expect the following: 157c16b380fSderaadt * 158c16b380fSderaadt * <from ET> <from EU> <to ET> <to EU> [inv] 159c16b380fSderaadt * 160c16b380fSderaadt * where ET == element type and EU == element unit. 161c16b380fSderaadt */ 162c16b380fSderaadt if (argc < 4) { 163c16b380fSderaadt warnx("%s: too few arguments", cname); 164c16b380fSderaadt goto usage; 165c16b380fSderaadt } else if (argc > 5) { 166c16b380fSderaadt warnx("%s: too many arguments", cname); 167c16b380fSderaadt goto usage; 168c16b380fSderaadt } 169c16b380fSderaadt bzero(&cmd, sizeof(cmd)); 170c16b380fSderaadt 171c16b380fSderaadt /* <from ET> */ 172c16b380fSderaadt cmd.cm_fromtype = parse_element_type(*argv); 173c16b380fSderaadt ++argv; --argc; 174c16b380fSderaadt 175c16b380fSderaadt /* <from EU> */ 176c16b380fSderaadt cmd.cm_fromunit = parse_element_unit(*argv); 177c16b380fSderaadt ++argv; --argc; 178c16b380fSderaadt 179c16b380fSderaadt /* <to ET> */ 180c16b380fSderaadt cmd.cm_totype = parse_element_type(*argv); 181c16b380fSderaadt ++argv; --argc; 182c16b380fSderaadt 183c16b380fSderaadt /* <to EU> */ 184c16b380fSderaadt cmd.cm_tounit = parse_element_unit(*argv); 185c16b380fSderaadt ++argv; --argc; 186c16b380fSderaadt 187c16b380fSderaadt /* Deal with optional command modifier. */ 188c16b380fSderaadt if (argc) { 189c16b380fSderaadt val = parse_special(*argv); 190c16b380fSderaadt switch (val) { 191c16b380fSderaadt case SW_INVERT: 192c16b380fSderaadt cmd.cm_flags |= CM_INVERT; 193c16b380fSderaadt break; 194c16b380fSderaadt 195c16b380fSderaadt default: 196c16b380fSderaadt errx(1, "%s: inappropriate modifier `%s'", 197c16b380fSderaadt cname, *argv); 198c16b380fSderaadt /* NOTREACHED */ 199c16b380fSderaadt } 200c16b380fSderaadt } 201c16b380fSderaadt 202c16b380fSderaadt /* Send command to changer. */ 203c16b380fSderaadt if (ioctl(changer_fd, CHIOMOVE, (char *)&cmd)) 204c16b380fSderaadt err(1, "%s: CHIOMOVE", changer_name); 205c16b380fSderaadt 206c16b380fSderaadt return (0); 207c16b380fSderaadt 208c16b380fSderaadt usage: 209c16b380fSderaadt fprintf(stderr, "usage: %s %s " 210c16b380fSderaadt "<from ET> <from EU> <to ET> <to EU> [inv]\n", __progname, cname); 211c16b380fSderaadt return (1); 212c16b380fSderaadt } 213c16b380fSderaadt 214c16b380fSderaadt static int 215*ab83b6d6Sderaadt do_exchange(char *cname, int argc, char *argv[]) 216c16b380fSderaadt { 217c16b380fSderaadt struct changer_exchange cmd; 218c16b380fSderaadt int val; 219c16b380fSderaadt 220c16b380fSderaadt /* 221c16b380fSderaadt * On an exchange command, we expect the following: 222c16b380fSderaadt * 223c16b380fSderaadt * <src ET> <src EU> <dst1 ET> <dst1 EU> [<dst2 ET> <dst2 EU>] [inv1] [inv2] 224c16b380fSderaadt * 225c16b380fSderaadt * where ET == element type and EU == element unit. 226c16b380fSderaadt */ 227c16b380fSderaadt if (argc < 4) { 228c16b380fSderaadt warnx("%s: too few arguments", cname); 229c16b380fSderaadt goto usage; 230c16b380fSderaadt } else if (argc > 8) { 231c16b380fSderaadt warnx("%s: too many arguments", cname); 232c16b380fSderaadt goto usage; 233c16b380fSderaadt } 234c16b380fSderaadt bzero(&cmd, sizeof(cmd)); 235c16b380fSderaadt 236c16b380fSderaadt /* <src ET> */ 237c16b380fSderaadt cmd.ce_srctype = parse_element_type(*argv); 238c16b380fSderaadt ++argv; --argc; 239c16b380fSderaadt 240c16b380fSderaadt /* <src EU> */ 241c16b380fSderaadt cmd.ce_srcunit = parse_element_unit(*argv); 242c16b380fSderaadt ++argv; --argc; 243c16b380fSderaadt 244c16b380fSderaadt /* <dst1 ET> */ 245c16b380fSderaadt cmd.ce_fdsttype = parse_element_type(*argv); 246c16b380fSderaadt ++argv; --argc; 247c16b380fSderaadt 248c16b380fSderaadt /* <dst1 EU> */ 249c16b380fSderaadt cmd.ce_fdstunit = parse_element_unit(*argv); 250c16b380fSderaadt ++argv; --argc; 251c16b380fSderaadt 252c16b380fSderaadt /* 253c16b380fSderaadt * If the next token is a special word or there are no more 254c16b380fSderaadt * arguments, then this is a case of simple exchange. 255c16b380fSderaadt * dst2 == src. 256c16b380fSderaadt */ 257c16b380fSderaadt if ((argc == 0) || is_special(*argv)) { 258c16b380fSderaadt cmd.ce_sdsttype = cmd.ce_srctype; 259c16b380fSderaadt cmd.ce_sdstunit = cmd.ce_srcunit; 260c16b380fSderaadt goto do_special; 261c16b380fSderaadt } 262c16b380fSderaadt 263c16b380fSderaadt /* <dst2 ET> */ 264c16b380fSderaadt cmd.ce_sdsttype = parse_element_type(*argv); 265c16b380fSderaadt ++argv; --argc; 266c16b380fSderaadt 267c16b380fSderaadt /* <dst2 EU> */ 268c16b380fSderaadt cmd.ce_sdstunit = parse_element_unit(*argv); 269c16b380fSderaadt ++argv; --argc; 270c16b380fSderaadt 271c16b380fSderaadt do_special: 272c16b380fSderaadt /* Deal with optional command modifiers. */ 273c16b380fSderaadt while (argc) { 274c16b380fSderaadt val = parse_special(*argv); 275c16b380fSderaadt ++argv; --argc; 276c16b380fSderaadt switch (val) { 277c16b380fSderaadt case SW_INVERT1: 278c16b380fSderaadt cmd.ce_flags |= CE_INVERT1; 279c16b380fSderaadt break; 280c16b380fSderaadt 281c16b380fSderaadt case SW_INVERT2: 282c16b380fSderaadt cmd.ce_flags |= CE_INVERT2; 283c16b380fSderaadt break; 284c16b380fSderaadt 285c16b380fSderaadt default: 286c16b380fSderaadt errx(1, "%s: inappropriate modifier `%s'", 287c16b380fSderaadt cname, *argv); 288c16b380fSderaadt /* NOTREACHED */ 289c16b380fSderaadt } 290c16b380fSderaadt } 291c16b380fSderaadt 292c16b380fSderaadt /* Send command to changer. */ 293c16b380fSderaadt if (ioctl(changer_fd, CHIOEXCHANGE, (char *)&cmd)) 294c16b380fSderaadt err(1, "%s: CHIOEXCHANGE", changer_name); 295c16b380fSderaadt 296c16b380fSderaadt return (0); 297c16b380fSderaadt 298c16b380fSderaadt usage: 299c16b380fSderaadt fprintf(stderr, "usage: %s %s <src ET> <src EU> <dst1 ET> <dst1 EU>\n" 300c16b380fSderaadt " [<dst2 ET> <dst2 EU>] [inv1] [inv2]\n", 301c16b380fSderaadt __progname, cname); 302c16b380fSderaadt return (1); 303c16b380fSderaadt } 304c16b380fSderaadt 305c16b380fSderaadt static int 306*ab83b6d6Sderaadt do_position(char *cname, int argc, char *argv[]) 307c16b380fSderaadt { 308c16b380fSderaadt struct changer_position cmd; 309c16b380fSderaadt int val; 310c16b380fSderaadt 311c16b380fSderaadt /* 312c16b380fSderaadt * On a position command, we expect the following: 313c16b380fSderaadt * 314c16b380fSderaadt * <to ET> <to EU> [inv] 315c16b380fSderaadt * 316c16b380fSderaadt * where ET == element type and EU == element unit. 317c16b380fSderaadt */ 318c16b380fSderaadt if (argc < 2) { 319c16b380fSderaadt warnx("%s: too few arguments", cname); 320c16b380fSderaadt goto usage; 321c16b380fSderaadt } else if (argc > 3) { 322c16b380fSderaadt warnx("%s: too many arguments", cname); 323c16b380fSderaadt goto usage; 324c16b380fSderaadt } 325c16b380fSderaadt bzero(&cmd, sizeof(cmd)); 326c16b380fSderaadt 327c16b380fSderaadt /* <to ET> */ 328c16b380fSderaadt cmd.cp_type = parse_element_type(*argv); 329c16b380fSderaadt ++argv; --argc; 330c16b380fSderaadt 331c16b380fSderaadt /* <to EU> */ 332c16b380fSderaadt cmd.cp_unit = parse_element_unit(*argv); 333c16b380fSderaadt ++argv; --argc; 334c16b380fSderaadt 335c16b380fSderaadt /* Deal with optional command modifier. */ 336c16b380fSderaadt if (argc) { 337c16b380fSderaadt val = parse_special(*argv); 338c16b380fSderaadt switch (val) { 339c16b380fSderaadt case SW_INVERT: 340c16b380fSderaadt cmd.cp_flags |= CP_INVERT; 341c16b380fSderaadt break; 342c16b380fSderaadt 343c16b380fSderaadt default: 344c16b380fSderaadt errx(1, "%s: inappropriate modifier `%s'", 345c16b380fSderaadt cname, *argv); 346c16b380fSderaadt /* NOTREACHED */ 347c16b380fSderaadt } 348c16b380fSderaadt } 349c16b380fSderaadt 350c16b380fSderaadt /* Send command to changer. */ 351c16b380fSderaadt if (ioctl(changer_fd, CHIOPOSITION, (char *)&cmd)) 352c16b380fSderaadt err(1, "%s: CHIOPOSITION", changer_name); 353c16b380fSderaadt 354c16b380fSderaadt return (0); 355c16b380fSderaadt 356c16b380fSderaadt usage: 357c16b380fSderaadt fprintf(stderr, "usage: %s %s <to ET> <to EU> [inv]\n", 358c16b380fSderaadt __progname, cname); 359c16b380fSderaadt return (1); 360c16b380fSderaadt } 361c16b380fSderaadt 362c16b380fSderaadt static int 363*ab83b6d6Sderaadt do_params(char *cname, int argc, char *argv[]) 364c16b380fSderaadt { 365c16b380fSderaadt struct changer_params data; 366c16b380fSderaadt 367c16b380fSderaadt /* No arguments to this command. */ 368c16b380fSderaadt if (argc) { 369d9248734Stodd warnx("%s: no arguments expected", cname); 370c16b380fSderaadt goto usage; 371c16b380fSderaadt } 372c16b380fSderaadt 373c16b380fSderaadt /* Get params from changer and display them. */ 374c16b380fSderaadt bzero(&data, sizeof(data)); 375c16b380fSderaadt if (ioctl(changer_fd, CHIOGPARAMS, (char *)&data)) 376c16b380fSderaadt err(1, "%s: CHIOGPARAMS", changer_name); 377c16b380fSderaadt 378c16b380fSderaadt printf("%s: %d slot%s, %d drive%s, %d picker%s", 379c16b380fSderaadt changer_name, 380c16b380fSderaadt data.cp_nslots, (data.cp_nslots > 1) ? "s" : "", 381c16b380fSderaadt data.cp_ndrives, (data.cp_ndrives > 1) ? "s" : "", 382c16b380fSderaadt data.cp_npickers, (data.cp_npickers > 1) ? "s" : ""); 383c16b380fSderaadt if (data.cp_nportals) 384c16b380fSderaadt printf(", %d portal%s", data.cp_nportals, 385c16b380fSderaadt (data.cp_nportals > 1) ? "s" : ""); 386c16b380fSderaadt printf("\n%s: current picker: %d\n", changer_name, data.cp_curpicker); 387c16b380fSderaadt 388c16b380fSderaadt return (0); 389c16b380fSderaadt 390c16b380fSderaadt usage: 391c16b380fSderaadt fprintf(stderr, "usage: %s %s\n", __progname, cname); 392c16b380fSderaadt return (1); 393c16b380fSderaadt } 394c16b380fSderaadt 395c16b380fSderaadt static int 396*ab83b6d6Sderaadt do_getpicker(char *cname, int argc, char *argv[]) 397c16b380fSderaadt { 398c16b380fSderaadt int picker; 399c16b380fSderaadt 400c16b380fSderaadt /* No arguments to this command. */ 401c16b380fSderaadt if (argc) { 402c16b380fSderaadt warnx("%s: no arguments expected", cname); 403c16b380fSderaadt goto usage; 404c16b380fSderaadt } 405c16b380fSderaadt 406c16b380fSderaadt /* Get current picker from changer and display it. */ 407c16b380fSderaadt if (ioctl(changer_fd, CHIOGPICKER, (char *)&picker)) 408c16b380fSderaadt err(1, "%s: CHIOGPICKER", changer_name); 409c16b380fSderaadt 410c16b380fSderaadt printf("%s: current picker: %d\n", changer_name, picker); 411c16b380fSderaadt 412c16b380fSderaadt return (0); 413c16b380fSderaadt 414c16b380fSderaadt usage: 415c16b380fSderaadt fprintf(stderr, "usage: %s %s\n", __progname, cname); 416c16b380fSderaadt return (1); 417c16b380fSderaadt } 418c16b380fSderaadt 419c16b380fSderaadt static int 420*ab83b6d6Sderaadt do_setpicker(char *cname, int argc, char *argv[]) 421c16b380fSderaadt { 422c16b380fSderaadt int picker; 423c16b380fSderaadt 424c16b380fSderaadt if (argc < 1) { 425c16b380fSderaadt warnx("%s: too few arguments", cname); 426c16b380fSderaadt goto usage; 427c16b380fSderaadt } else if (argc > 1) { 428c16b380fSderaadt warnx("%s: too many arguments", cname); 429c16b380fSderaadt goto usage; 430c16b380fSderaadt } 431c16b380fSderaadt 432c16b380fSderaadt picker = parse_element_unit(*argv); 433c16b380fSderaadt 434c16b380fSderaadt /* Set the changer picker. */ 435c16b380fSderaadt if (ioctl(changer_fd, CHIOSPICKER, (char *)&picker)) 436c16b380fSderaadt err(1, "%s: CHIOSPICKER", changer_name); 437c16b380fSderaadt 438c16b380fSderaadt return (0); 439c16b380fSderaadt 440c16b380fSderaadt usage: 441c16b380fSderaadt fprintf(stderr, "usage: %s %s <picker>\n", __progname, cname); 442c16b380fSderaadt return (1); 443c16b380fSderaadt } 444c16b380fSderaadt 445c16b380fSderaadt static int 446*ab83b6d6Sderaadt do_status(char *cname, int argc, char *argv[]) 447c16b380fSderaadt { 448c16b380fSderaadt struct changer_element_status cmd; 449c16b380fSderaadt struct changer_params data; 450c16b380fSderaadt u_int8_t *statusp; 451c16b380fSderaadt int i, count, chet, schet, echet; 452764064c4Smickey char *description; 453764064c4Smickey 454764064c4Smickey #ifdef lint 455764064c4Smickey count = 0; 456764064c4Smickey description = NULL; 457764064c4Smickey #endif 458c16b380fSderaadt 459c16b380fSderaadt /* 460c16b380fSderaadt * On a status command, we expect the following: 461c16b380fSderaadt * 462c16b380fSderaadt * [<ET>] 463c16b380fSderaadt * 464c16b380fSderaadt * where ET == element type. 465c16b380fSderaadt * 466c16b380fSderaadt * If we get no arguments, we get the status of all 467c16b380fSderaadt * known element types. 468c16b380fSderaadt */ 469c16b380fSderaadt if (argc > 1) { 470c16b380fSderaadt warnx("%s: too many arguments", cname); 471c16b380fSderaadt goto usage; 472c16b380fSderaadt } 473c16b380fSderaadt 474c16b380fSderaadt /* 475c16b380fSderaadt * Get params from changer. Specifically, we need the element 476c16b380fSderaadt * counts. 477c16b380fSderaadt */ 478c16b380fSderaadt bzero(&data, sizeof(data)); 479c16b380fSderaadt if (ioctl(changer_fd, CHIOGPARAMS, (char *)&data)) 480c16b380fSderaadt err(1, "%s: CHIOGPARAMS", changer_name); 481c16b380fSderaadt 482c16b380fSderaadt if (argc) 483c16b380fSderaadt schet = echet = parse_element_type(*argv); 484c16b380fSderaadt else { 485c16b380fSderaadt schet = CHET_MT; 486c16b380fSderaadt echet = CHET_DT; 487c16b380fSderaadt } 488c16b380fSderaadt 489c16b380fSderaadt for (chet = schet; chet <= echet; ++chet) { 490c16b380fSderaadt switch (chet) { 491c16b380fSderaadt case CHET_MT: 492c16b380fSderaadt count = data.cp_npickers; 493c16b380fSderaadt description = "picker"; 494c16b380fSderaadt break; 495c16b380fSderaadt 496c16b380fSderaadt case CHET_ST: 497c16b380fSderaadt count = data.cp_nslots; 498c16b380fSderaadt description = "slot"; 499c16b380fSderaadt break; 500c16b380fSderaadt 501c16b380fSderaadt case CHET_IE: 502c16b380fSderaadt count = data.cp_nportals; 503c16b380fSderaadt description = "portal"; 504c16b380fSderaadt break; 505c16b380fSderaadt 506c16b380fSderaadt case CHET_DT: 507c16b380fSderaadt count = data.cp_ndrives; 508c16b380fSderaadt description = "drive"; 509c16b380fSderaadt break; 510c16b380fSderaadt } 511c16b380fSderaadt 512c16b380fSderaadt if (count == 0) { 513c16b380fSderaadt if (argc == 0) 514c16b380fSderaadt continue; 515c16b380fSderaadt else { 516c16b380fSderaadt printf("%s: no %s elements\n", 517c16b380fSderaadt changer_name, description); 518c16b380fSderaadt return (0); 519c16b380fSderaadt } 520c16b380fSderaadt } 521c16b380fSderaadt 522c16b380fSderaadt /* Allocate storage for the status bytes. */ 523c16b380fSderaadt if ((statusp = (u_int8_t *)malloc(count)) == NULL) 524c16b380fSderaadt errx(1, "can't allocate status storage"); 525c16b380fSderaadt 526c16b380fSderaadt bzero(statusp, count); 527c16b380fSderaadt bzero(&cmd, sizeof(cmd)); 528c16b380fSderaadt 529c16b380fSderaadt cmd.ces_type = chet; 530c16b380fSderaadt cmd.ces_data = statusp; 531c16b380fSderaadt 532c16b380fSderaadt if (ioctl(changer_fd, CHIOGSTATUS, (char *)&cmd)) { 533c16b380fSderaadt free(statusp); 534c16b380fSderaadt err(1, "%s: CHIOGSTATUS", changer_name); 535c16b380fSderaadt } 536c16b380fSderaadt 537c16b380fSderaadt /* Dump the status for each element of this type. */ 538c16b380fSderaadt for (i = 0; i < count; ++i) { 539c16b380fSderaadt printf("%s %d: %s\n", description, i, 540c16b380fSderaadt bits_to_string(statusp[i], CESTATUS_BITS)); 541c16b380fSderaadt } 542c16b380fSderaadt 543c16b380fSderaadt free(statusp); 544c16b380fSderaadt } 545c16b380fSderaadt 546c16b380fSderaadt return (0); 547c16b380fSderaadt 548c16b380fSderaadt usage: 549c16b380fSderaadt fprintf(stderr, "usage: %s %s [<element type>]\n", __progname, 550c16b380fSderaadt cname); 551c16b380fSderaadt return (1); 552c16b380fSderaadt } 553c16b380fSderaadt 554c16b380fSderaadt static int 555*ab83b6d6Sderaadt parse_element_type(char *cp) 556c16b380fSderaadt { 557c16b380fSderaadt int i; 558c16b380fSderaadt 559c16b380fSderaadt for (i = 0; elements[i].et_name != NULL; ++i) 560c16b380fSderaadt if (strcmp(elements[i].et_name, cp) == 0) 561c16b380fSderaadt return (elements[i].et_type); 562c16b380fSderaadt 563c16b380fSderaadt errx(1, "invalid element type `%s'", cp); 564c16b380fSderaadt } 565c16b380fSderaadt 566c16b380fSderaadt static int 567*ab83b6d6Sderaadt parse_element_unit(char *cp) 568c16b380fSderaadt { 569c16b380fSderaadt int i; 570c16b380fSderaadt char *p; 571c16b380fSderaadt 572c16b380fSderaadt i = (int)strtol(cp, &p, 10); 573c16b380fSderaadt if ((i < 0) || (*p != '\0')) 574c16b380fSderaadt errx(1, "invalid unit number `%s'", cp); 575c16b380fSderaadt 576c16b380fSderaadt return (i); 577c16b380fSderaadt } 578c16b380fSderaadt 579c16b380fSderaadt static int 580*ab83b6d6Sderaadt parse_special(char *cp) 581c16b380fSderaadt { 582c16b380fSderaadt int val; 583c16b380fSderaadt 584c16b380fSderaadt val = is_special(cp); 585c16b380fSderaadt if (val) 586c16b380fSderaadt return (val); 587c16b380fSderaadt 588c16b380fSderaadt errx(1, "invalid modifier `%s'", cp); 589c16b380fSderaadt } 590c16b380fSderaadt 591c16b380fSderaadt static int 592*ab83b6d6Sderaadt is_special(char *cp) 593c16b380fSderaadt { 594c16b380fSderaadt int i; 595c16b380fSderaadt 596c16b380fSderaadt for (i = 0; specials[i].sw_name != NULL; ++i) 597c16b380fSderaadt if (strcmp(specials[i].sw_name, cp) == 0) 598c16b380fSderaadt return (specials[i].sw_value); 599c16b380fSderaadt 600c16b380fSderaadt return (0); 601c16b380fSderaadt } 602c16b380fSderaadt 603c16b380fSderaadt static char * 604*ab83b6d6Sderaadt bits_to_string(int v, const char *cp) 605c16b380fSderaadt { 606c16b380fSderaadt const char *np; 607c16b380fSderaadt char f, sep, *bp; 608c16b380fSderaadt static char buf[128]; 609c16b380fSderaadt 610c16b380fSderaadt bp = buf; 611c16b380fSderaadt bzero(buf, sizeof(buf)); 612c16b380fSderaadt 613c16b380fSderaadt for (sep = '<'; (f = *cp++) != 0; cp = np) { 614c16b380fSderaadt for (np = cp; *np >= ' ';) 615c16b380fSderaadt np++; 616c16b380fSderaadt if ((v & (1 << (f - 1))) == 0) 617c16b380fSderaadt continue; 6182f61c7c6Smillert (void)snprintf(bp, sizeof(buf) - (bp - &buf[0]), 619707c1213Sart "%c%.*s", sep, (int)(np - cp), cp); 6202f61c7c6Smillert bp += strlen(bp); 621c16b380fSderaadt sep = ','; 622c16b380fSderaadt } 623c16b380fSderaadt if (sep != '<') 624c16b380fSderaadt *bp = '>'; 625c16b380fSderaadt 626c16b380fSderaadt return (buf); 627c16b380fSderaadt } 628c16b380fSderaadt 629c16b380fSderaadt static void 630*ab83b6d6Sderaadt usage(void) 631c16b380fSderaadt { 632b13cd761Sderaadt int i; 633c16b380fSderaadt 634b13cd761Sderaadt fprintf(stderr, "usage: %s [-f device] command [args ...]\n", 635b13cd761Sderaadt __progname); 636b13cd761Sderaadt fprintf(stderr, "commands:"); 637b13cd761Sderaadt for (i = 0; commands[i].cc_name; i++) 638b13cd761Sderaadt fprintf(stderr, " %s", commands[i].cc_name); 639b13cd761Sderaadt fprintf(stderr, "\n"); 640c16b380fSderaadt exit(1); 641c16b380fSderaadt } 642