kernel/drivers/isdn/sc/ioctl.c

   1 /*
   2  * Copyright (C) 1996  SpellCaster Telecommunications Inc.
   3  *
   4  * This software may be used and distributed according to the terms
   5  * of the GNU General Public License, incorporated herein by reference.
   6  *
   7  */
   8
   9 #include "includes.h"
  10 #include "hardware.h"
  11 #include "message.h"
  12 #include "card.h"
  13 #include "scioc.h"
  14
  15 static int GetStatus(int card, boardInfo *);
  16
  17 /*
  18  * Process private IOCTL messages (typically from scctrl)
  19  */
  20 int sc_ioctl(int card, scs_ioctl *data)
  21 {
  22         int             status;
  23         RspMessage      *rcvmsg;
  24         char            *spid;
  25         char            *dn;
  26         char            switchtype;
  27         char            speed;
  28
  29         rcvmsg = kmalloc(sizeof(RspMessage), GFP_KERNEL);
  30         if (!rcvmsg)
  31                 return -ENOMEM;
  32
  33         switch (data->command) {
  34         case SCIOCRESET:        /* Perform a hard reset of the adapter */
  35         {
  36                 pr_debug("%s: SCIOCRESET: ioctl received\n",
  37                          sc_adapter[card]->devicename);
  38                 sc_adapter[card]->StartOnReset = 0;
  39                 kfree(rcvmsg);
  40                 return reset(card);
  41         }
  42
  43         case SCIOCLOAD:
  44         {
  45                 char *srec;
  46
  47                 srec = kmalloc(SCIOC_SRECSIZE, GFP_KERNEL);
  48                 if (!srec) {
  49                         kfree(rcvmsg);
  50                         return -ENOMEM;
  51                 }
  52                 pr_debug("%s: SCIOLOAD: ioctl received\n",
  53                          sc_adapter[card]->devicename);
  54                 if (sc_adapter[card]->EngineUp) {
  55                         pr_debug("%s: SCIOCLOAD: command failed, LoadProc while engine running.\n",
  56                                  sc_adapter[card]->devicename);
  57                         kfree(rcvmsg);
  58                         kfree(srec);
  59                         return -1;
  60                 }
  61
  62                 /*
  63                  * Get the SRec from user space
  64                  */
  65                 if (copy_from_user(srec, data->dataptr, SCIOC_SRECSIZE)) {
  66                         kfree(rcvmsg);
  67                         kfree(srec);
  68                         return -EFAULT;
  69                 }
  70
  71                 status = send_and_receive(card, CMPID, cmReqType2, cmReqClass0, cmReqLoadProc,
  72                                           0, SCIOC_SRECSIZE, srec, rcvmsg, SAR_TIMEOUT);
  73                 kfree(rcvmsg);
  74                 kfree(srec);
  75
  76                 if (status) {
  77                         pr_debug("%s: SCIOCLOAD: command failed, status = %d\n",
  78                                  sc_adapter[card]->devicename, status);
  79                         return -1;
  80                 }
  81                 else {
  82                         pr_debug("%s: SCIOCLOAD: command successful\n",
  83                                  sc_adapter[card]->devicename);
  84                         return 0;
  85                 }
  86         }
  87
  88         case SCIOCSTART:
  89         {
  90                 kfree(rcvmsg);
  91                 pr_debug("%s: SCIOSTART: ioctl received\n",
  92                          sc_adapter[card]->devicename);
  93                 if (sc_adapter[card]->EngineUp) {
  94                         pr_debug("%s: SCIOCSTART: command failed, engine already running.\n",
  95                                  sc_adapter[card]->devicename);
  96                         return -1;
  97                 }
  98
  99                 sc_adapter[card]->StartOnReset = 1;
 100                 startproc(card);
 101                 return 0;
 102         }
 103
 104         case SCIOCSETSWITCH:
 105         {
 106                 pr_debug("%s: SCIOSETSWITCH: ioctl received\n",
 107                          sc_adapter[card]->devicename);
 108
 109                 /*
 110                  * Get the switch type from user space
 111                  */
 112                 if (copy_from_user(&switchtype, data->dataptr, sizeof(char))) {
 113                         kfree(rcvmsg);
 114                         return -EFAULT;
 115                 }
 116
 117                 pr_debug("%s: SCIOCSETSWITCH: setting switch type to %d\n",
 118                          sc_adapter[card]->devicename,
 119                          switchtype);
 120                 status = send_and_receive(card, CEPID, ceReqTypeCall, ceReqClass0, ceReqCallSetSwitchType,
 121                                           0, sizeof(char), &switchtype, rcvmsg, SAR_TIMEOUT);
 122                 if (!status && !(rcvmsg->rsp_status)) {
 123                         pr_debug("%s: SCIOCSETSWITCH: command successful\n",
 124                                  sc_adapter[card]->devicename);
 125                         kfree(rcvmsg);
 126                         return 0;
 127                 }
 128                 else {
 129                         pr_debug("%s: SCIOCSETSWITCH: command failed (status = %d)\n",
 130                                  sc_adapter[card]->devicename, status);
 131                         kfree(rcvmsg);
 132                         return status;
 133                 }
 134         }
 135
 136         case SCIOCGETSWITCH:
 137         {
 138                 pr_debug("%s: SCIOGETSWITCH: ioctl received\n",
 139                          sc_adapter[card]->devicename);
 140
 141                 /*
 142                  * Get the switch type from the board
 143                  */
 144                 status = send_and_receive(card, CEPID, ceReqTypeCall, ceReqClass0,
 145                                           ceReqCallGetSwitchType, 0, 0, NULL, rcvmsg, SAR_TIMEOUT);
 146                 if (!status && !(rcvmsg->rsp_status)) {
 147                         pr_debug("%s: SCIOCGETSWITCH: command successful\n",
 148                                  sc_adapter[card]->devicename);
 149                 }
 150                 else {
 151                         pr_debug("%s: SCIOCGETSWITCH: command failed (status = %d)\n",
 152                                  sc_adapter[card]->devicename, status);
 153                         kfree(rcvmsg);
 154                         return status;
 155                 }
 156
 157                 switchtype = rcvmsg->msg_data.byte_array[0];
 158
 159                 /*
 160                  * Package the switch type and send to user space
 161                  */
 162                 if (copy_to_user(data->dataptr, &switchtype,
 163                                  sizeof(char))) {
 164                         kfree(rcvmsg);
 165                         return -EFAULT;
 166                 }
 167
 168                 kfree(rcvmsg);
 169                 return 0;
 170         }
 171
 172         case SCIOCGETSPID:
 173         {
 174                 pr_debug("%s: SCIOGETSPID: ioctl received\n",
 175                          sc_adapter[card]->devicename);
 176
 177                 spid = kzalloc(SCIOC_SPIDSIZE, GFP_KERNEL);
 178                 if (!spid) {
 179                         kfree(rcvmsg);
 180                         return -ENOMEM;
 181                 }
 182                 /*
 183                  * Get the spid from the board
 184                  */
 185                 status = send_and_receive(card, CEPID, ceReqTypeCall, ceReqClass0, ceReqCallGetSPID,
 186                                           data->channel, 0, NULL, rcvmsg, SAR_TIMEOUT);
 187                 if (!status) {
 188                         pr_debug("%s: SCIOCGETSPID: command successful\n",
 189                                  sc_adapter[card]->devicename);
 190                 } else {
 191                         pr_debug("%s: SCIOCGETSPID: command failed (status = %d)\n",
 192                                  sc_adapter[card]->devicename, status);
 193                         kfree(spid);
 194                         kfree(rcvmsg);
 195                         return status;
 196                 }
 197                 strlcpy(spid, rcvmsg->msg_data.byte_array, SCIOC_SPIDSIZE);
 198
 199                 /*
 200                  * Package the switch type and send to user space
 201                  */
 202                 if (copy_to_user(data->dataptr, spid, SCIOC_SPIDSIZE)) {
 203                         kfree(spid);
 204                         kfree(rcvmsg);
 205                         return -EFAULT;
 206                 }
 207
 208                 kfree(spid);
 209                 kfree(rcvmsg);
 210                 return 0;
 211         }
 212
 213         case SCIOCSETSPID:
 214         {
 215                 pr_debug("%s: DCBIOSETSPID: ioctl received\n",
 216                          sc_adapter[card]->devicename);
 217
 218                 /*
 219                  * Get the spid from user space
 220                  */
 221                 spid = memdup_user(data->dataptr, SCIOC_SPIDSIZE);
 222                 if (IS_ERR(spid)) {
 223                         kfree(rcvmsg);
 224                         return PTR_ERR(spid);
 225                 }
 226
 227                 pr_debug("%s: SCIOCSETSPID: setting channel %d spid to %s\n",
 228                          sc_adapter[card]->devicename, data->channel, spid);
 229                 status = send_and_receive(card, CEPID, ceReqTypeCall,
 230                                           ceReqClass0, ceReqCallSetSPID, data->channel,
 231                                           strlen(spid), spid, rcvmsg, SAR_TIMEOUT);
 232                 if (!status && !(rcvmsg->rsp_status)) {
 233                         pr_debug("%s: SCIOCSETSPID: command successful\n",
 234                                  sc_adapter[card]->devicename);
 235                         kfree(rcvmsg);
 236                         kfree(spid);
 237                         return 0;
 238                 }
 239                 else {
 240                         pr_debug("%s: SCIOCSETSPID: command failed (status = %d)\n",
 241                                  sc_adapter[card]->devicename, status);
 242                         kfree(rcvmsg);
 243                         kfree(spid);
 244                         return status;
 245                 }
 246         }
 247
 248         case SCIOCGETDN:
 249         {
 250                 pr_debug("%s: SCIOGETDN: ioctl received\n",
 251                          sc_adapter[card]->devicename);
 252
 253                 /*
 254                  * Get the dn from the board
 255                  */
 256                 status = send_and_receive(card, CEPID, ceReqTypeCall, ceReqClass0, ceReqCallGetMyNumber,
 257                                           data->channel, 0, NULL, rcvmsg, SAR_TIMEOUT);
 258                 if (!status) {
 259                         pr_debug("%s: SCIOCGETDN: command successful\n",
 260                                  sc_adapter[card]->devicename);
 261                 }
 262                 else {
 263                         pr_debug("%s: SCIOCGETDN: command failed (status = %d)\n",
 264                                  sc_adapter[card]->devicename, status);
 265                         kfree(rcvmsg);
 266                         return status;
 267                 }
 268
 269                 dn = kzalloc(SCIOC_DNSIZE, GFP_KERNEL);
 270                 if (!dn) {
 271                         kfree(rcvmsg);
 272                         return -ENOMEM;
 273                 }
 274                 strlcpy(dn, rcvmsg->msg_data.byte_array, SCIOC_DNSIZE);
 275                 kfree(rcvmsg);
 276
 277                 /*
 278                  * Package the dn and send to user space
 279                  */
 280                 if (copy_to_user(data->dataptr, dn, SCIOC_DNSIZE)) {
 281                         kfree(dn);
 282                         return -EFAULT;
 283                 }
 284                 kfree(dn);
 285                 return 0;
 286         }
 287
 288         case SCIOCSETDN:
 289         {
 290                 pr_debug("%s: SCIOSETDN: ioctl received\n",
 291                          sc_adapter[card]->devicename);
 292
 293                 /*
 294                  * Get the spid from user space
 295                  */
 296                 dn = memdup_user(data->dataptr, SCIOC_DNSIZE);
 297                 if (IS_ERR(dn)) {
 298                         kfree(rcvmsg);
 299                         return PTR_ERR(dn);
 300                 }
 301
 302                 pr_debug("%s: SCIOCSETDN: setting channel %d dn to %s\n",
 303                          sc_adapter[card]->devicename, data->channel, dn);
 304                 status = send_and_receive(card, CEPID, ceReqTypeCall,
 305                                           ceReqClass0, ceReqCallSetMyNumber, data->channel,
 306                                           strlen(dn), dn, rcvmsg, SAR_TIMEOUT);
 307                 if (!status && !(rcvmsg->rsp_status)) {
 308                         pr_debug("%s: SCIOCSETDN: command successful\n",
 309                                  sc_adapter[card]->devicename);
 310                         kfree(rcvmsg);
 311                         kfree(dn);
 312                         return 0;
 313                 }
 314                 else {
 315                         pr_debug("%s: SCIOCSETDN: command failed (status = %d)\n",
 316                                  sc_adapter[card]->devicename, status);
 317                         kfree(rcvmsg);
 318                         kfree(dn);
 319                         return status;
 320                 }
 321         }
 322
 323         case SCIOCTRACE:
 324
 325                 pr_debug("%s: SCIOTRACE: ioctl received\n",
 326                          sc_adapter[card]->devicename);
 327 /*              sc_adapter[card]->trace = !sc_adapter[card]->trace;
 328                 pr_debug("%s: SCIOCTRACE: tracing turned %s\n",
 329                 sc_adapter[card]->devicename,
 330                 sc_adapter[card]->trace ? "ON" : "OFF"); */
 331                 break;
 332
 333         case SCIOCSTAT:
 334         {
 335                 boardInfo *bi;
 336
 337                 pr_debug("%s: SCIOSTAT: ioctl received\n",
 338                          sc_adapter[card]->devicename);
 339
 340                 bi = kzalloc(sizeof(boardInfo), GFP_KERNEL);
 341                 if (!bi) {
 342                         kfree(rcvmsg);
 343                         return -ENOMEM;
 344                 }
 345
 346                 kfree(rcvmsg);
 347                 GetStatus(card, bi);
 348
 349                 if (copy_to_user(data->dataptr, bi, sizeof(boardInfo))) {
 350                         kfree(bi);
 351                         return -EFAULT;
 352                 }
 353
 354                 kfree(bi);
 355                 return 0;
 356         }
 357
 358         case SCIOCGETSPEED:
 359         {
 360                 pr_debug("%s: SCIOGETSPEED: ioctl received\n",
 361                          sc_adapter[card]->devicename);
 362
 363                 /*
 364                  * Get the speed from the board
 365                  */
 366                 status = send_and_receive(card, CEPID, ceReqTypeCall, ceReqClass0,
 367                                           ceReqCallGetCallType, data->channel, 0, NULL, rcvmsg, SAR_TIMEOUT);
 368                 if (!status && !(rcvmsg->rsp_status)) {
 369                         pr_debug("%s: SCIOCGETSPEED: command successful\n",
 370                                  sc_adapter[card]->devicename);
 371                 }
 372                 else {
 373                         pr_debug("%s: SCIOCGETSPEED: command failed (status = %d)\n",
 374                                  sc_adapter[card]->devicename, status);
 375                         kfree(rcvmsg);
 376                         return status;
 377                 }
 378
 379                 speed = rcvmsg->msg_data.byte_array[0];
 380
 381                 kfree(rcvmsg);
 382
 383                 /*
 384                  * Package the switch type and send to user space
 385                  */
 386
 387                 if (copy_to_user(data->dataptr, &speed, sizeof(char)))
 388                         return -EFAULT;
 389
 390                 return 0;
 391         }
 392
 393         case SCIOCSETSPEED:
 394                 pr_debug("%s: SCIOCSETSPEED: ioctl received\n",
 395                          sc_adapter[card]->devicename);
 396                 break;
 397
 398         case SCIOCLOOPTST:
 399                 pr_debug("%s: SCIOCLOOPTST: ioctl received\n",
 400                          sc_adapter[card]->devicename);
 401                 break;
 402
 403         default:
 404                 kfree(rcvmsg);
 405                 return -1;
 406         }
 407
 408         kfree(rcvmsg);
 409         return 0;
 410 }
 411
 412 static int GetStatus(int card, boardInfo *bi)
 413 {
 414         RspMessage rcvmsg;
 415         int i, status;
 416
 417         /*
 418          * Fill in some of the basic info about the board
 419          */
 420         bi->modelid = sc_adapter[card]->model;
 421         strcpy(bi->serial_no, sc_adapter[card]->hwconfig.serial_no);
 422         strcpy(bi->part_no, sc_adapter[card]->hwconfig.part_no);
 423         bi->iobase = sc_adapter[card]->iobase;
 424         bi->rambase = sc_adapter[card]->rambase;
 425         bi->irq = sc_adapter[card]->interrupt;
 426         bi->ramsize = sc_adapter[card]->hwconfig.ram_size;
 427         bi->interface = sc_adapter[card]->hwconfig.st_u_sense;
 428         strcpy(bi->load_ver, sc_adapter[card]->load_ver);
 429         strcpy(bi->proc_ver, sc_adapter[card]->proc_ver);
 430
 431         /*
 432          * Get the current PhyStats and LnkStats
 433          */
 434         status = send_and_receive(card, CEPID, ceReqTypePhy, ceReqClass2,
 435                                   ceReqPhyStatus, 0, 0, NULL, &rcvmsg, SAR_TIMEOUT);
 436         if (!status) {
 437                 if (sc_adapter[card]->model < PRI_BOARD) {
 438                         bi->l1_status = rcvmsg.msg_data.byte_array[2];
 439                         for (i = 0; i < BRI_CHANNELS; i++)
 440                                 bi->status.bristats[i].phy_stat =
 441                                         rcvmsg.msg_data.byte_array[i];
 442                 }
 443                 else {
 444                         bi->l1_status = rcvmsg.msg_data.byte_array[0];
 445                         bi->l2_status = rcvmsg.msg_data.byte_array[1];
 446                         for (i = 0; i < PRI_CHANNELS; i++)
 447                                 bi->status.pristats[i].phy_stat =
 448                                         rcvmsg.msg_data.byte_array[i + 2];
 449                 }
 450         }
 451
 452         /*
 453          * Get the call types for each channel
 454          */
 455         for (i = 0; i < sc_adapter[card]->nChannels; i++) {
 456                 status = send_and_receive(card, CEPID, ceReqTypeCall, ceReqClass0,
 457                                           ceReqCallGetCallType, 0, 0, NULL, &rcvmsg, SAR_TIMEOUT);
 458                 if (!status) {
 459                         if (sc_adapter[card]->model == PRI_BOARD) {
 460                                 bi->status.pristats[i].call_type =
 461                                         rcvmsg.msg_data.byte_array[0];
 462                         }
 463                         else {
 464                                 bi->status.bristats[i].call_type =
 465                                         rcvmsg.msg_data.byte_array[0];
 466                         }
 467                 }
 468         }
 469
 470         /*
 471          * If PRI, get the call states and service states for each channel
 472          */
 473         if (sc_adapter[card]->model == PRI_BOARD) {
 474                 /*
 475                  * Get the call states
 476                  */
 477                 status = send_and_receive(card, CEPID, ceReqTypeStat, ceReqClass2,
 478                                           ceReqPhyChCallState, 0, 0, NULL, &rcvmsg, SAR_TIMEOUT);
 479                 if (!status) {
 480                         for (i = 0; i < PRI_CHANNELS; i++)
 481                                 bi->status.pristats[i].call_state =
 482                                         rcvmsg.msg_data.byte_array[i];
 483                 }
 484
 485                 /*
 486                  * Get the service states
 487                  */
 488                 status = send_and_receive(card, CEPID, ceReqTypeStat, ceReqClass2,
 489                                           ceReqPhyChServState, 0, 0, NULL, &rcvmsg, SAR_TIMEOUT);
 490                 if (!status) {
 491                         for (i = 0; i < PRI_CHANNELS; i++)
 492                                 bi->status.pristats[i].serv_state =
 493                                         rcvmsg.msg_data.byte_array[i];
 494                 }
 495
 496                 /*
 497                  * Get the link stats for the channels
 498                  */
 499                 for (i = 1; i <= PRI_CHANNELS; i++) {
 500                         status = send_and_receive(card, CEPID, ceReqTypeLnk, ceReqClass0,
 501                                                   ceReqLnkGetStats, i, 0, NULL, &rcvmsg, SAR_TIMEOUT);
 502                         if (!status) {
 503                                 bi->status.pristats[i - 1].link_stats.tx_good =
 504                                         (unsigned long)rcvmsg.msg_data.byte_array[0];
 505                                 bi->status.pristats[i - 1].link_stats.tx_bad =
 506                                         (unsigned long)rcvmsg.msg_data.byte_array[4];
 507                                 bi->status.pristats[i - 1].link_stats.rx_good =
 508                                         (unsigned long)rcvmsg.msg_data.byte_array[8];
 509                                 bi->status.pristats[i - 1].link_stats.rx_bad =
 510                                         (unsigned long)rcvmsg.msg_data.byte_array[12];
 511                         }
 512                 }
 513
 514                 /*
 515                  * Link stats for the D channel
 516                  */
 517                 status = send_and_receive(card, CEPID, ceReqTypeLnk, ceReqClass0,
 518                                           ceReqLnkGetStats, 0, 0, NULL, &rcvmsg, SAR_TIMEOUT);
 519                 if (!status) {
 520                         bi->dch_stats.tx_good = (unsigned long)rcvmsg.msg_data.byte_array[0];
 521                         bi->dch_stats.tx_bad = (unsigned long)rcvmsg.msg_data.byte_array[4];
 522                         bi->dch_stats.rx_good = (unsigned long)rcvmsg.msg_data.byte_array[8];
 523                         bi->dch_stats.rx_bad = (unsigned long)rcvmsg.msg_data.byte_array[12];
 524                 }
 525
 526                 return 0;
 527         }
 528
 529         /*
 530          * If BRI or POTS, Get SPID, DN and call types for each channel
 531          */
 532
 533         /*
 534          * Get the link stats for the channels
 535          */
 536         status = send_and_receive(card, CEPID, ceReqTypeLnk, ceReqClass0,
 537                                   ceReqLnkGetStats, 0, 0, NULL, &rcvmsg, SAR_TIMEOUT);
 538         if (!status) {
 539                 bi->dch_stats.tx_good = (unsigned long)rcvmsg.msg_data.byte_array[0];
 540                 bi->dch_stats.tx_bad = (unsigned long)rcvmsg.msg_data.byte_array[4];
 541                 bi->dch_stats.rx_good = (unsigned long)rcvmsg.msg_data.byte_array[8];
 542                 bi->dch_stats.rx_bad = (unsigned long)rcvmsg.msg_data.byte_array[12];
 543                 bi->status.bristats[0].link_stats.tx_good =
 544                         (unsigned long)rcvmsg.msg_data.byte_array[16];
 545                 bi->status.bristats[0].link_stats.tx_bad =
 546                         (unsigned long)rcvmsg.msg_data.byte_array[20];
 547                 bi->status.bristats[0].link_stats.rx_good =
 548                         (unsigned long)rcvmsg.msg_data.byte_array[24];
 549                 bi->status.bristats[0].link_stats.rx_bad =
 550                         (unsigned long)rcvmsg.msg_data.byte_array[28];
 551                 bi->status.bristats[1].link_stats.tx_good =
 552                         (unsigned long)rcvmsg.msg_data.byte_array[32];
 553                 bi->status.bristats[1].link_stats.tx_bad =
 554                         (unsigned long)rcvmsg.msg_data.byte_array[36];
 555                 bi->status.bristats[1].link_stats.rx_good =
 556                         (unsigned long)rcvmsg.msg_data.byte_array[40];
 557                 bi->status.bristats[1].link_stats.rx_bad =
 558                         (unsigned long)rcvmsg.msg_data.byte_array[44];
 559         }
 560
 561         /*
 562          * Get the SPIDs
 563          */
 564         for (i = 0; i < BRI_CHANNELS; i++) {
 565                 status = send_and_receive(card, CEPID, ceReqTypeCall, ceReqClass0,
 566                                           ceReqCallGetSPID, i + 1, 0, NULL, &rcvmsg, SAR_TIMEOUT);
 567                 if (!status)
 568                         strcpy(bi->status.bristats[i].spid, rcvmsg.msg_data.byte_array);
 569         }
 570
 571         /*
 572          * Get the DNs
 573          */
 574         for (i = 0; i < BRI_CHANNELS; i++) {
 575                 status = send_and_receive(card, CEPID, ceReqTypeCall, ceReqClass0,
 576                                           ceReqCallGetMyNumber, i + 1, 0, NULL, &rcvmsg, SAR_TIMEOUT);
 577                 if (!status)
 578                         strcpy(bi->status.bristats[i].dn, rcvmsg.msg_data.byte_array);
 579         }
 580
 581         return 0;
 582 }