usr.sbin/sicontrol/sicontrol.c

   1 /*
   2  * Device driver for Specialix range (SLXOS) of serial line multiplexors.
   3  *      SLXOS configuration and debug interface
   4  *
   5  * Copyright (C) 1990, 1992 Specialix International,
   6  * Copyright (C) 1993, Andy Rutter <andy@acronym.co.uk>
   7  * Copyright (C) 1995, Peter Wemm <peter@haywire.dialix.com>
   8  *
   9  * Derived from:        SunOS 4.x version
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notices, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notices, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  * 3. All advertising materials mentioning features or use of this software
  20  *    must display the following acknowledgement:
  21  *      This product includes software developed by Andy Rutter of
  22  *      Advanced Methods and Tools Ltd. based on original information
  23  *      from Specialix International.
  24  * 4. Neither the name of Advanced Methods and Tools, nor Specialix
  25  *    International may be used to endorse or promote products derived from
  26  *    this software without specific prior written permission.
  27  *
  28  * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED
  29  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  30  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
  31  * NO EVENT SHALL THE AUTHORS BE LIABLE.
  32  *
  33  * $FreeBSD: src/usr.sbin/sicontrol/sicontrol.c,v 1.12.2.1 2000/12/11 01:03:39 obrien Exp $
  34  * $DragonFly: src/usr.sbin/sicontrol/sicontrol.c,v 1.6 2007/04/09 09:15:48 swildner Exp $
  35  */
  36
  37 #define _KERNEL_STRUCTURES
  38
  39 #include <sys/types.h>
  40 #include <sys/param.h>
  41 #include <sys/stat.h>
  42 #include <sys/ioctl.h>
  43 #include <sys/tty.h>
  44
  45 #include <dev/serial/si/si.h>
  46
  47 #include <ctype.h>
  48 #include <err.h>
  49 #include <fcntl.h>
  50 #include <paths.h>
  51 #include <stdio.h>
  52 #include <stdlib.h>
  53 #include <string.h>
  54
  55 #define U_DEBUG         0
  56 #define U_TXINT         1
  57 #define U_RXINT         2
  58 #define U_NPORT         3
  59 #define U_MSTATE        4
  60 #define U_STAT_CCB      5
  61 #define U_STAT_TTY      6
  62 #define U_MAX           7
  63 #define U_ALL           -1
  64
  65 static void     ccb_stat(int, char **);
  66 static void     debug(int, char **);
  67 static void     dostat(void);
  68 static int      getnum(char *);
  69 static int      islevel(char *);
  70 static int      lvls2bits(char *);
  71 static void     mstate(int, char **);
  72 static void     nport(int, char **);
  73 static int      opencontrol(void);
  74 static void     prlevels(int);
  75 static void     prusage(int, int);
  76 static void     rxint(int, char **);
  77 static void     tty_stat(int, char **);
  78 static void     txint(int, char **);
  79
  80 static struct lv {
  81         const char *lv_name;
  82         int     lv_bit;
  83 } lv[] = {
  84         {"entry",       DBG_ENTRY},
  85         {"open",        DBG_OPEN},
  86         {"close",       DBG_CLOSE},
  87         {"read",        DBG_READ},
  88         {"write",       DBG_WRITE},
  89         {"param",       DBG_PARAM},
  90         {"modem",       DBG_MODEM},
  91         {"select",      DBG_SELECT},
  92         {"optim",       DBG_OPTIM},
  93         {"intr",        DBG_INTR},
  94         {"start",       DBG_START},
  95         {"lstart",      DBG_LSTART},
  96         {"ioctl",       DBG_IOCTL},
  97         {"fail",        DBG_FAIL},
  98         {"autoboot",    DBG_AUTOBOOT},
  99         {"download",    DBG_DOWNLOAD},
 100         {"drain",       DBG_DRAIN},
 101         {"poll",        DBG_POLL},
 102         {0,             0}
 103 };
 104
 105 static struct opt {
 106         const char *o_name;
 107         void    (*o_func)(int, char **);
 108 } opt[] = {
 109         {"debug",               debug},
 110         {"rxint_throttle",      rxint},
 111         {"int_throttle",        txint},
 112         {"nport",               nport},
 113         {"mstate",              mstate},
 114         {"ccbstat",             ccb_stat},
 115         {"ttystat",             tty_stat},
 116         {0,                     0}
 117 };
 118
 119 static struct stat_list {
 120         void (*st_func)(int, char **);
 121 } stat_list[] = {
 122         {mstate},
 123         {0}
 124 };
 125
 126 static const char *usagestr[] = {
 127         "debug [[add|del|set debug_levels] | [off]]\n",
 128         "int_throttle [newvalue]\n",
 129         "rxint_throttle [newvalue]\n",
 130         "nport\n",
 131         "mstate\n",
 132         "ccbstat\n",
 133         "ttystat\n",
 134         0
 135 };
 136
 137 static int alldev = 0;
 138 static int ctlfd;
 139 static char *Devname;
 140 static struct si_tcsi tc;
 141
 142 int
 143 main(int argc, char **argv)
 144 {
 145         struct opt *op;
 146         void (*func)(int, char **) = NULL;
 147
 148         if (argc < 2)
 149                 prusage(U_ALL, 1);
 150         Devname = argv[1];
 151         if (strcmp(Devname, "-") == 0) {
 152                 alldev = 1;
 153         } else {
 154                 sidev_t dev;
 155                 struct stat st;
 156
 157                 if (strchr(Devname, '/') == NULL) {
 158                         char *acp = malloc(6 + strlen(Devname));
 159                         strcpy(acp, _PATH_DEV);
 160                         strcat(acp, Devname);
 161                         Devname = acp;
 162                 }
 163                 if (stat(Devname, &st) < 0)
 164                         errx(1, "can't stat %s", Devname);
 165                 dev.sid_card = SI_CARD(minor(st.st_rdev));
 166                 dev.sid_port = SI_PORT(minor(st.st_rdev));
 167                 dev.sid_control = 0;
 168                 tc.tc_dev = dev;
 169         }
 170         ctlfd = opencontrol();
 171         if (argc == 2) {
 172                 dostat();
 173                 exit(0);
 174         }
 175
 176         argc--; argv++;
 177         for (op = opt; op->o_name; op++) {
 178                 if (strcmp(argv[1], op->o_name) == 0) {
 179                         func = op->o_func;
 180                         break;
 181                 }
 182         }
 183         if (func == NULL)
 184                 prusage(U_ALL, 1);
 185
 186         argc -= 2;
 187         argv += 2;
 188         (*func)(argc, argv);
 189         exit(0);
 190 }
 191
 192 int
 193 opencontrol(void)
 194 {
 195         int fd;
 196
 197         fd = open(CONTROLDEV, O_RDWR|O_NDELAY);
 198         if (fd < 0)
 199                 err(1, "open on %s", CONTROLDEV);
 200         return(fd);
 201 }
 202
 203 /*
 204  * Print a usage message - this relies on U_DEBUG==0 and U_BOOT==1.
 205  * Don't print the DEBUG usage string unless explicity requested.
 206  */
 207 void
 208 prusage(int strn, int eflag)
 209 {
 210         const char **cp;
 211
 212         if (strn == U_ALL) {
 213                 fprintf(stderr, "usage: sicontrol %s", usagestr[1]);
 214                 fprintf(stderr, "       sicontrol %s", usagestr[2]);
 215                 fprintf(stderr, "       sicontrol %s", usagestr[3]);
 216                 fprintf(stderr, "       sicontrol devname %s", usagestr[4]);
 217                 for (cp = &usagestr[5]; *cp; cp++)
 218                         fprintf(stderr, "       sicontrol devname %s", *cp);
 219         }
 220         else if (strn >= 0 && strn <= U_MAX)
 221                 fprintf(stderr, "usage: sicontrol devname %s", usagestr[strn]);
 222         else
 223                 fprintf(stderr, "sicontrol: usage ???\n");
 224         exit(eflag);
 225 }
 226
 227 /* print port status */
 228 void
 229 dostat(void)
 230 {
 231         char *av[1], *acp;
 232         struct stat_list *stp;
 233         struct si_tcsi stc;
 234         int donefirst = 0;
 235
 236         printf("%s: ", alldev ? "ALL" : Devname);
 237         acp = malloc(strlen(Devname) + 3);
 238         memset(acp, ' ', strlen(Devname));
 239         strcat(acp, "  ");
 240         stc = tc;
 241         for (stp = stat_list; stp->st_func != NULL; stp++) {
 242                 if (donefirst)
 243                         fputs(acp, stdout);
 244                 else
 245                         donefirst++;
 246                 av[0] = NULL;
 247                 tc = stc;
 248                 (*stp->st_func)(-1, av);
 249         }
 250 }
 251
 252 /*
 253  * debug
 254  * debug [[set|add|del debug_lvls] | [off]]
 255  */
 256 void
 257 debug(int ac, char **av)
 258 {
 259         int level;
 260
 261         if (ac > 2)
 262                 prusage(U_DEBUG, 1);
 263         if (alldev) {
 264                 if (ioctl(ctlfd, TCSIGDBG_ALL, &tc.tc_dbglvl) < 0)
 265                         err(1, "TCSIGDBG_ALL on %s", Devname);
 266         } else {
 267                 if (ioctl(ctlfd, TCSIGDBG_LEVEL, &tc) < 0)
 268                         err(1, "TCSIGDBG_LEVEL on %s", Devname);
 269         }
 270
 271         switch (ac) {
 272         case 0:
 273                 printf("%s: debug levels - ", Devname);
 274                 prlevels(tc.tc_dbglvl);
 275                 return;
 276         case 1:
 277                 if (strcmp(av[0], "off") == 0) {
 278                         tc.tc_dbglvl = 0;
 279                         break;
 280                 }
 281                 prusage(U_DEBUG, 1);
 282                 /* no return */
 283         case 2:
 284                 level = lvls2bits(av[1]);
 285                 if (strcmp(av[0], "add") == 0)
 286                         tc.tc_dbglvl |= level;
 287                 else if (strcmp(av[0], "del") == 0)
 288                         tc.tc_dbglvl &= ~level;
 289                 else if (strcmp(av[0], "set") == 0)
 290                         tc.tc_dbglvl = level;
 291                 else
 292                         prusage(U_DEBUG, 1);
 293         }
 294         if (alldev) {
 295                 if (ioctl(ctlfd, TCSISDBG_ALL, &tc.tc_dbglvl) < 0)
 296                         err(1, "TCSISDBG_ALL on %s", Devname);
 297         } else {
 298                 if (ioctl(ctlfd, TCSISDBG_LEVEL, &tc) < 0)
 299                         err(1, "TCSISDBG_LEVEL on %s", Devname);
 300         }
 301 }
 302
 303 void
 304 rxint(int ac, char **av)
 305 {
 306         tc.tc_port = 0;
 307         switch (ac) {
 308         case 0:
 309                 printf("%s: ", Devname);
 310         case -1:
 311                 if (ioctl(ctlfd, TCSIGRXIT, &tc) < 0)
 312                         err(1, "TCSIGRXIT");
 313                 printf("RX interrupt throttle: %d msec\n", tc.tc_int*10);
 314                 break;
 315         case 1:
 316                 tc.tc_int = getnum(av[0]) / 10;
 317                 if (tc.tc_int == 0)
 318                         tc.tc_int = 1;
 319                 if (ioctl(ctlfd, TCSIRXIT, &tc) < 0)
 320                         err(1, "TCSIRXIT on %s at %d msec",
 321                                 Devname, tc.tc_int*10);
 322                 break;
 323         default:
 324                 prusage(U_RXINT, 1);
 325         }
 326 }
 327
 328 void
 329 txint(int ac, char **av)
 330 {
 331
 332         tc.tc_port = 0;
 333         switch (ac) {
 334         case 0:
 335                 printf("%s: ", Devname);
 336         case -1:
 337                 if (ioctl(ctlfd, TCSIGIT, &tc) < 0)
 338                         err(1, "TCSIGIT");
 339                 printf("aggregate interrupt throttle: %d\n", tc.tc_int);
 340                 break;
 341         case 1:
 342                 tc.tc_int = getnum(av[0]);
 343                 if (ioctl(ctlfd, TCSIIT, &tc) < 0)
 344                         err(1, "TCSIIT on %s at %d", Devname, tc.tc_int);
 345                 break;
 346         default:
 347                 prusage(U_TXINT, 1);
 348         }
 349 }
 350
 351 void
 352 mstate(int ac, char **av __unused)
 353 {
 354         switch (ac) {
 355         case 0:
 356                 printf("%s: ", Devname);
 357         case -1:
 358                 break;
 359         default:
 360                 prusage(U_MSTATE, 1);
 361         }
 362         if (ioctl(ctlfd, TCSISTATE, &tc) < 0)
 363                 err(1, "TCSISTATE on %s", Devname);
 364         printf("modem bits state - (0x%x)", tc.tc_int);
 365         if (tc.tc_int & IP_DCD) printf(" DCD");
 366         if (tc.tc_int & IP_DTR) printf(" DTR");
 367         if (tc.tc_int & IP_RTS) printf(" RTS");
 368         printf("\n");
 369 }
 370
 371 void
 372 nport(int ac, char **av __unused)
 373 {
 374         int ports;
 375
 376         if (ac != 0)
 377                 prusage(U_NPORT, 1);
 378         if (ioctl(ctlfd, TCSIPORTS, &ports) < 0)
 379                 err(1, "TCSIPORTS on %s", Devname);
 380         printf("SLXOS: total of %d ports\n", ports);
 381 }
 382
 383 void
 384 ccb_stat(int ac, char **av __unused)
 385 {
 386         struct si_pstat sip;
 387 #define CCB     sip.tc_ccb
 388
 389         if (ac != 0)
 390                 prusage(U_STAT_CCB, 1);
 391         sip.tc_dev = tc.tc_dev;
 392         if (ioctl(ctlfd, TCSI_CCB, &sip) < 0)
 393                 err(1, "TCSI_CCB on %s", Devname);
 394         printf("%s: ", Devname);
 395
 396                                                         /* WORD next - Next Channel */
 397                                                         /* WORD addr_uart - Uart address */
 398                                                         /* WORD module - address of module struct */
 399         printf("\tuart_type 0x%x\n", CCB.type);         /* BYTE type - Uart type */
 400                                                         /* BYTE fill - */
 401         printf("\tx_status 0x%x\n", CCB.x_status);      /* BYTE x_status - XON / XOFF status */
 402         printf("\tc_status 0x%x\n", CCB.c_status);      /* BYTE c_status - cooking status */
 403         printf("\thi_rxipos 0x%x\n", CCB.hi_rxipos);    /* BYTE hi_rxipos - stuff into rx buff */
 404         printf("\thi_rxopos 0x%x\n", CCB.hi_rxopos);    /* BYTE hi_rxopos - stuff out of rx buffer */
 405         printf("\thi_txopos 0x%x\n", CCB.hi_txopos);    /* BYTE hi_txopos - Stuff into tx ptr */
 406         printf("\thi_txipos 0x%x\n", CCB.hi_txipos);    /* BYTE hi_txipos - ditto out */
 407         printf("\thi_stat 0x%x\n", CCB.hi_stat);                /* BYTE hi_stat - Command register */
 408         printf("\tdsr_bit 0x%x\n", CCB.dsr_bit);                /* BYTE dsr_bit - Magic bit for DSR */
 409         printf("\ttxon 0x%x\n", CCB.txon);              /* BYTE txon - TX XON char */
 410         printf("\ttxoff 0x%x\n", CCB.txoff);            /* BYTE txoff - ditto XOFF */
 411         printf("\trxon 0x%x\n", CCB.rxon);              /* BYTE rxon - RX XON char */
 412         printf("\trxoff 0x%x\n", CCB.rxoff);            /* BYTE rxoff - ditto XOFF */
 413         printf("\thi_mr1 0x%x\n", CCB.hi_mr1);          /* BYTE hi_mr1 - mode 1 image */
 414         printf("\thi_mr2 0x%x\n", CCB.hi_mr2);          /* BYTE hi_mr2 - mode 2 image */
 415         printf("\thi_csr 0x%x\n", CCB.hi_csr);          /* BYTE hi_csr - clock register */
 416         printf("\thi_op 0x%x\n", CCB.hi_op);            /* BYTE hi_op - Op control */
 417         printf("\thi_ip 0x%x\n", CCB.hi_ip);            /* BYTE hi_ip - Input pins */
 418         printf("\thi_state 0x%x\n", CCB.hi_state);      /* BYTE hi_state - status */
 419         printf("\thi_prtcl 0x%x\n", CCB.hi_prtcl);      /* BYTE hi_prtcl - Protocol */
 420         printf("\thi_txon 0x%x\n", CCB.hi_txon);                /* BYTE hi_txon - host copy tx xon stuff */
 421         printf("\thi_txoff 0x%x\n", CCB.hi_txoff);      /* BYTE hi_txoff - */
 422         printf("\thi_rxon 0x%x\n", CCB.hi_rxon);                /* BYTE hi_rxon - */
 423         printf("\thi_rxoff 0x%x\n", CCB.hi_rxoff);      /* BYTE hi_rxoff - */
 424         printf("\tclose_prev 0x%x\n", CCB.close_prev);  /* BYTE close_prev - Was channel previously closed */
 425         printf("\thi_break 0x%x\n", CCB.hi_break);      /* BYTE hi_break - host copy break process */
 426         printf("\tbreak_state 0x%x\n", CCB.break_state);        /* BYTE break_state - local copy ditto */
 427         printf("\thi_mask 0x%x\n", CCB.hi_mask);                /* BYTE hi_mask - Mask for CS7 etc. */
 428         printf("\tmask_z280 0x%x\n", CCB.mask_z280);    /* BYTE mask_z280 - Z280's copy */
 429                                                         /* BYTE res[0x60 - 36] - */
 430                                                         /* BYTE hi_txbuf[SLXOS_BUFFERSIZE] - */
 431                                                         /* BYTE hi_rxbuf[SLXOS_BUFFERSIZE] - */
 432                                                         /* BYTE res1[0xA0] - */
 433 }
 434
 435 void
 436 tty_stat(int ac, char **av __unused)
 437 {
 438         struct si_pstat sip;
 439 #define TTY     sip.tc_tty
 440
 441         if (ac != 0)
 442                 prusage(U_STAT_TTY, 1);
 443         sip.tc_dev = tc.tc_dev;
 444         if (ioctl(ctlfd, TCSI_TTY, &sip) < 0)
 445                 err(1, "TCSI_TTY on %s", Devname);
 446         printf("%s: ", Devname);
 447
 448         printf("\tt_outq.c_cc %d.\n", TTY.t_outq.c_cc); /* struct clist t_outq */
 449         printf("\tt_dev %p\n", TTY.t_dev);              /* t_dev */
 450         printf("\tt_flags 0x%x\n", TTY.t_flags);        /* int  t_flags */
 451         printf("\tt_state 0x%x\n", TTY.t_state);        /* int  t_state */
 452         printf("\tt_ihiwat %d.\n", TTY.t_ihiwat);       /* int  t_ihiwat */
 453         printf("\tt_ilowat %d.\n", TTY.t_ilowat);       /* int  t_ilowat */
 454         printf("\tt_ohiwat %d.\n", TTY.t_ohiwat);       /* int  t_ohiwat */
 455         printf("\tt_olowat %d.\n", TTY.t_olowat);       /* int  t_olowat */
 456         printf("\tt_iflag 0x%x\n", TTY.t_iflag);        /* t_iflag */
 457         printf("\tt_oflag 0x%x\n", TTY.t_oflag);        /* t_oflag */
 458         printf("\tt_cflag 0x%x\n", TTY.t_cflag);        /* t_cflag */
 459         printf("\tt_lflag 0x%x\n", TTY.t_lflag);        /* t_lflag */
 460         printf("\tt_cc %p\n", (void *)TTY.t_cc);        /* t_cc */
 461         printf("\tt_termios.c_ispeed 0x%x\n", TTY.t_termios.c_ispeed);  /* t_termios.c_ispeed */
 462         printf("\tt_termios.c_ospeed 0x%x\n", TTY.t_termios.c_ospeed);  /* t_termios.c_ospeed */
 463 }
 464
 465 int
 466 islevel(char *tk)
 467 {
 468         struct lv *lvp;
 469         char *acp;
 470
 471         for (acp = tk; *acp; acp++)
 472                 if (isupper(*acp))
 473                         *acp = tolower(*acp);
 474         for (lvp = lv; lvp->lv_name; lvp++)
 475                 if (strcmp(lvp->lv_name, tk) == 0)
 476                         return(lvp->lv_bit);
 477         return(0);
 478 }
 479
 480 /*
 481  * Convert a string consisting of tokens separated by white space, commas
 482  * or `|' into a bitfield - flag any unrecognised tokens.
 483  */
 484 int
 485 lvls2bits(char *str)
 486 {
 487         int i, bits = 0;
 488         int errflag = 0;
 489         char token[20];
 490
 491         while (sscanf(str, "%[^,| \t]", token) == 1) {
 492                 str += strlen(token);
 493                 while (isspace(*str) || *str==',' || *str=='|')
 494                         str++;
 495                 if (strcmp(token, "all") == 0)
 496                         return(0xffffffff);
 497                 if ((i = islevel(token)) == 0) {
 498                         warnx("unknown token '%s'", token);
 499                         errflag++;
 500                 } else
 501                         bits |= i;
 502         }
 503         if (errflag)
 504                 exit(1);
 505
 506         return(bits);
 507 }
 508
 509 int
 510 getnum(char *str)
 511 {
 512         int x;
 513         char *acp = str;
 514
 515         x = 0;
 516         while (*acp) {
 517                 if (!isdigit(*acp))
 518                         errx(1, "%s is not a number", str);
 519                 x *= 10;
 520                 x += (*acp - '0');
 521                 acp++;
 522         }
 523         return(x);
 524 }
 525
 526 void
 527 prlevels(int x)
 528 {
 529         struct lv *lvp;
 530
 531         switch (x) {
 532         case 0:
 533                 printf("(none)\n");
 534                 break;
 535         case 0xffffffff:
 536                 printf("all\n");
 537                 break;
 538         default:
 539                 for (lvp = lv; lvp->lv_name; lvp++)
 540                         if (x & lvp->lv_bit)
 541                                 printf(" %s", lvp->lv_name);
 542                 printf("\n");
 543         }
 544 }