drivers/message/i2o/debug.c

   1 #include <linux/config.h>
   2 #include <linux/module.h>
   3 #include <linux/kernel.h>
   4 #include <linux/pci.h>
   5 #include <linux/i2o.h>
   6
   7 static void i2o_report_util_cmd(u8 cmd);
   8 static void i2o_report_exec_cmd(u8 cmd);
   9 static void i2o_report_fail_status(u8 req_status, u32 * msg);
  10 static void i2o_report_common_status(u8 req_status);
  11 static void i2o_report_common_dsc(u16 detailed_status);
  12
  13 /*
  14  * Used for error reporting/debugging purposes.
  15  * Report Cmd name, Request status, Detailed Status.
  16  */
  17 void i2o_report_status(const char *severity, const char *str,
  18                        struct i2o_message *m)
  19 {
  20         u32 *msg = (u32 *) m;
  21         u8 cmd = (msg[1] >> 24) & 0xFF;
  22         u8 req_status = (msg[4] >> 24) & 0xFF;
  23         u16 detailed_status = msg[4] & 0xFFFF;
  24
  25         if (cmd == I2O_CMD_UTIL_EVT_REGISTER)
  26                 return;         // No status in this reply
  27
  28         printk(KERN_DEBUG "%s%s: ", severity, str);
  29
  30         if (cmd < 0x1F)         // Utility cmd
  31                 i2o_report_util_cmd(cmd);
  32
  33         else if (cmd >= 0xA0 && cmd <= 0xEF)    // Executive cmd
  34                 i2o_report_exec_cmd(cmd);
  35         else
  36                 printk(KERN_DEBUG "Cmd = %0#2x, ", cmd);        // Other cmds
  37
  38         if (msg[0] & MSG_FAIL) {
  39                 i2o_report_fail_status(req_status, msg);
  40                 return;
  41         }
  42
  43         i2o_report_common_status(req_status);
  44
  45         if (cmd < 0x1F || (cmd >= 0xA0 && cmd <= 0xEF))
  46                 i2o_report_common_dsc(detailed_status);
  47         else
  48                 printk(KERN_DEBUG " / DetailedStatus = %0#4x.\n",
  49                        detailed_status);
  50 }
  51
  52 /* Used to dump a message to syslog during debugging */
  53 void i2o_dump_message(struct i2o_message *m)
  54 {
  55 #ifdef DEBUG
  56         u32 *msg = (u32 *) m;
  57         int i;
  58         printk(KERN_INFO "Dumping I2O message size %d @ %p\n",
  59                msg[0] >> 16 & 0xffff, msg);
  60         for (i = 0; i < ((msg[0] >> 16) & 0xffff); i++)
  61                 printk(KERN_INFO "  msg[%d] = %0#10x\n", i, msg[i]);
  62 #endif
  63 }
  64
  65 /*
  66  * Used for error reporting/debugging purposes.
  67  * Following fail status are common to all classes.
  68  * The preserved message must be handled in the reply handler.
  69  */
  70 static void i2o_report_fail_status(u8 req_status, u32 * msg)
  71 {
  72         static char *FAIL_STATUS[] = {
  73                 "0x80",         /* not used */
  74                 "SERVICE_SUSPENDED",    /* 0x81 */
  75                 "SERVICE_TERMINATED",   /* 0x82 */
  76                 "CONGESTION",
  77                 "FAILURE",
  78                 "STATE_ERROR",
  79                 "TIME_OUT",
  80                 "ROUTING_FAILURE",
  81                 "INVALID_VERSION",
  82                 "INVALID_OFFSET",
  83                 "INVALID_MSG_FLAGS",
  84                 "FRAME_TOO_SMALL",
  85                 "FRAME_TOO_LARGE",
  86                 "INVALID_TARGET_ID",
  87                 "INVALID_INITIATOR_ID",
  88                 "INVALID_INITIATOR_CONTEX",     /* 0x8F */
  89                 "UNKNOWN_FAILURE"       /* 0xFF */
  90         };
  91
  92         if (req_status == I2O_FSC_TRANSPORT_UNKNOWN_FAILURE)
  93                 printk(KERN_DEBUG "TRANSPORT_UNKNOWN_FAILURE (%0#2x)\n.",
  94                        req_status);
  95         else
  96                 printk(KERN_DEBUG "TRANSPORT_%s.\n",
  97                        FAIL_STATUS[req_status & 0x0F]);
  98
  99         /* Dump some details */
 100
 101         printk(KERN_ERR "  InitiatorId = %d, TargetId = %d\n",
 102                (msg[1] >> 12) & 0xFFF, msg[1] & 0xFFF);
 103         printk(KERN_ERR "  LowestVersion = 0x%02X, HighestVersion = 0x%02X\n",
 104                (msg[4] >> 8) & 0xFF, msg[4] & 0xFF);
 105         printk(KERN_ERR "  FailingHostUnit = 0x%04X,  FailingIOP = 0x%03X\n",
 106                msg[5] >> 16, msg[5] & 0xFFF);
 107
 108         printk(KERN_ERR "  Severity:  0x%02X ", (msg[4] >> 16) & 0xFF);
 109         if (msg[4] & (1 << 16))
 110                 printk(KERN_DEBUG "(FormatError), "
 111                        "this msg can never be delivered/processed.\n");
 112         if (msg[4] & (1 << 17))
 113                 printk(KERN_DEBUG "(PathError), "
 114                        "this msg can no longer be delivered/processed.\n");
 115         if (msg[4] & (1 << 18))
 116                 printk(KERN_DEBUG "(PathState), "
 117                        "the system state does not allow delivery.\n");
 118         if (msg[4] & (1 << 19))
 119                 printk(KERN_DEBUG
 120                        "(Congestion), resources temporarily not available;"
 121                        "do not retry immediately.\n");
 122 }
 123
 124 /*
 125  * Used for error reporting/debugging purposes.
 126  * Following reply status are common to all classes.
 127  */
 128 static void i2o_report_common_status(u8 req_status)
 129 {
 130         static char *REPLY_STATUS[] = {
 131                 "SUCCESS",
 132                 "ABORT_DIRTY",
 133                 "ABORT_NO_DATA_TRANSFER",
 134                 "ABORT_PARTIAL_TRANSFER",
 135                 "ERROR_DIRTY",
 136                 "ERROR_NO_DATA_TRANSFER",
 137                 "ERROR_PARTIAL_TRANSFER",
 138                 "PROCESS_ABORT_DIRTY",
 139                 "PROCESS_ABORT_NO_DATA_TRANSFER",
 140                 "PROCESS_ABORT_PARTIAL_TRANSFER",
 141                 "TRANSACTION_ERROR",
 142                 "PROGRESS_REPORT"
 143         };
 144
 145         if (req_status >= ARRAY_SIZE(REPLY_STATUS))
 146                 printk(KERN_DEBUG "RequestStatus = %0#2x", req_status);
 147         else
 148                 printk(KERN_DEBUG "%s", REPLY_STATUS[req_status]);
 149 }
 150
 151 /*
 152  * Used for error reporting/debugging purposes.
 153  * Following detailed status are valid  for executive class,
 154  * utility class, DDM class and for transaction error replies.
 155  */
 156 static void i2o_report_common_dsc(u16 detailed_status)
 157 {
 158         static char *COMMON_DSC[] = {
 159                 "SUCCESS",
 160                 "0x01",         // not used
 161                 "BAD_KEY",
 162                 "TCL_ERROR",
 163                 "REPLY_BUFFER_FULL",
 164                 "NO_SUCH_PAGE",
 165                 "INSUFFICIENT_RESOURCE_SOFT",
 166                 "INSUFFICIENT_RESOURCE_HARD",
 167                 "0x08",         // not used
 168                 "CHAIN_BUFFER_TOO_LARGE",
 169                 "UNSUPPORTED_FUNCTION",
 170                 "DEVICE_LOCKED",
 171                 "DEVICE_RESET",
 172                 "INAPPROPRIATE_FUNCTION",
 173                 "INVALID_INITIATOR_ADDRESS",
 174                 "INVALID_MESSAGE_FLAGS",
 175                 "INVALID_OFFSET",
 176                 "INVALID_PARAMETER",
 177                 "INVALID_REQUEST",
 178                 "INVALID_TARGET_ADDRESS",
 179                 "MESSAGE_TOO_LARGE",
 180                 "MESSAGE_TOO_SMALL",
 181                 "MISSING_PARAMETER",
 182                 "TIMEOUT",
 183                 "UNKNOWN_ERROR",
 184                 "UNKNOWN_FUNCTION",
 185                 "UNSUPPORTED_VERSION",
 186                 "DEVICE_BUSY",
 187                 "DEVICE_NOT_AVAILABLE"
 188         };
 189
 190         if (detailed_status > I2O_DSC_DEVICE_NOT_AVAILABLE)
 191                 printk(KERN_DEBUG " / DetailedStatus = %0#4x.\n",
 192                        detailed_status);
 193         else
 194                 printk(KERN_DEBUG " / %s.\n", COMMON_DSC[detailed_status]);
 195 }
 196
 197 /*
 198  * Used for error reporting/debugging purposes
 199  */
 200 static void i2o_report_util_cmd(u8 cmd)
 201 {
 202         switch (cmd) {
 203         case I2O_CMD_UTIL_NOP:
 204                 printk(KERN_DEBUG "UTIL_NOP, ");
 205                 break;
 206         case I2O_CMD_UTIL_ABORT:
 207                 printk(KERN_DEBUG "UTIL_ABORT, ");
 208                 break;
 209         case I2O_CMD_UTIL_CLAIM:
 210                 printk(KERN_DEBUG "UTIL_CLAIM, ");
 211                 break;
 212         case I2O_CMD_UTIL_RELEASE:
 213                 printk(KERN_DEBUG "UTIL_CLAIM_RELEASE, ");
 214                 break;
 215         case I2O_CMD_UTIL_CONFIG_DIALOG:
 216                 printk(KERN_DEBUG "UTIL_CONFIG_DIALOG, ");
 217                 break;
 218         case I2O_CMD_UTIL_DEVICE_RESERVE:
 219                 printk(KERN_DEBUG "UTIL_DEVICE_RESERVE, ");
 220                 break;
 221         case I2O_CMD_UTIL_DEVICE_RELEASE:
 222                 printk(KERN_DEBUG "UTIL_DEVICE_RELEASE, ");
 223                 break;
 224         case I2O_CMD_UTIL_EVT_ACK:
 225                 printk(KERN_DEBUG "UTIL_EVENT_ACKNOWLEDGE, ");
 226                 break;
 227         case I2O_CMD_UTIL_EVT_REGISTER:
 228                 printk(KERN_DEBUG "UTIL_EVENT_REGISTER, ");
 229                 break;
 230         case I2O_CMD_UTIL_LOCK:
 231                 printk(KERN_DEBUG "UTIL_LOCK, ");
 232                 break;
 233         case I2O_CMD_UTIL_LOCK_RELEASE:
 234                 printk(KERN_DEBUG "UTIL_LOCK_RELEASE, ");
 235                 break;
 236         case I2O_CMD_UTIL_PARAMS_GET:
 237                 printk(KERN_DEBUG "UTIL_PARAMS_GET, ");
 238                 break;
 239         case I2O_CMD_UTIL_PARAMS_SET:
 240                 printk(KERN_DEBUG "UTIL_PARAMS_SET, ");
 241                 break;
 242         case I2O_CMD_UTIL_REPLY_FAULT_NOTIFY:
 243                 printk(KERN_DEBUG "UTIL_REPLY_FAULT_NOTIFY, ");
 244                 break;
 245         default:
 246                 printk(KERN_DEBUG "Cmd = %0#2x, ", cmd);
 247         }
 248 }
 249
 250 /*
 251  * Used for error reporting/debugging purposes
 252  */
 253 static void i2o_report_exec_cmd(u8 cmd)
 254 {
 255         switch (cmd) {
 256         case I2O_CMD_ADAPTER_ASSIGN:
 257                 printk(KERN_DEBUG "EXEC_ADAPTER_ASSIGN, ");
 258                 break;
 259         case I2O_CMD_ADAPTER_READ:
 260                 printk(KERN_DEBUG "EXEC_ADAPTER_READ, ");
 261                 break;
 262         case I2O_CMD_ADAPTER_RELEASE:
 263                 printk(KERN_DEBUG "EXEC_ADAPTER_RELEASE, ");
 264                 break;
 265         case I2O_CMD_BIOS_INFO_SET:
 266                 printk(KERN_DEBUG "EXEC_BIOS_INFO_SET, ");
 267                 break;
 268         case I2O_CMD_BOOT_DEVICE_SET:
 269                 printk(KERN_DEBUG "EXEC_BOOT_DEVICE_SET, ");
 270                 break;
 271         case I2O_CMD_CONFIG_VALIDATE:
 272                 printk(KERN_DEBUG "EXEC_CONFIG_VALIDATE, ");
 273                 break;
 274         case I2O_CMD_CONN_SETUP:
 275                 printk(KERN_DEBUG "EXEC_CONN_SETUP, ");
 276                 break;
 277         case I2O_CMD_DDM_DESTROY:
 278                 printk(KERN_DEBUG "EXEC_DDM_DESTROY, ");
 279                 break;
 280         case I2O_CMD_DDM_ENABLE:
 281                 printk(KERN_DEBUG "EXEC_DDM_ENABLE, ");
 282                 break;
 283         case I2O_CMD_DDM_QUIESCE:
 284                 printk(KERN_DEBUG "EXEC_DDM_QUIESCE, ");
 285                 break;
 286         case I2O_CMD_DDM_RESET:
 287                 printk(KERN_DEBUG "EXEC_DDM_RESET, ");
 288                 break;
 289         case I2O_CMD_DDM_SUSPEND:
 290                 printk(KERN_DEBUG "EXEC_DDM_SUSPEND, ");
 291                 break;
 292         case I2O_CMD_DEVICE_ASSIGN:
 293                 printk(KERN_DEBUG "EXEC_DEVICE_ASSIGN, ");
 294                 break;
 295         case I2O_CMD_DEVICE_RELEASE:
 296                 printk(KERN_DEBUG "EXEC_DEVICE_RELEASE, ");
 297                 break;
 298         case I2O_CMD_HRT_GET:
 299                 printk(KERN_DEBUG "EXEC_HRT_GET, ");
 300                 break;
 301         case I2O_CMD_ADAPTER_CLEAR:
 302                 printk(KERN_DEBUG "EXEC_IOP_CLEAR, ");
 303                 break;
 304         case I2O_CMD_ADAPTER_CONNECT:
 305                 printk(KERN_DEBUG "EXEC_IOP_CONNECT, ");
 306                 break;
 307         case I2O_CMD_ADAPTER_RESET:
 308                 printk(KERN_DEBUG "EXEC_IOP_RESET, ");
 309                 break;
 310         case I2O_CMD_LCT_NOTIFY:
 311                 printk(KERN_DEBUG "EXEC_LCT_NOTIFY, ");
 312                 break;
 313         case I2O_CMD_OUTBOUND_INIT:
 314                 printk(KERN_DEBUG "EXEC_OUTBOUND_INIT, ");
 315                 break;
 316         case I2O_CMD_PATH_ENABLE:
 317                 printk(KERN_DEBUG "EXEC_PATH_ENABLE, ");
 318                 break;
 319         case I2O_CMD_PATH_QUIESCE:
 320                 printk(KERN_DEBUG "EXEC_PATH_QUIESCE, ");
 321                 break;
 322         case I2O_CMD_PATH_RESET:
 323                 printk(KERN_DEBUG "EXEC_PATH_RESET, ");
 324                 break;
 325         case I2O_CMD_STATIC_MF_CREATE:
 326                 printk(KERN_DEBUG "EXEC_STATIC_MF_CREATE, ");
 327                 break;
 328         case I2O_CMD_STATIC_MF_RELEASE:
 329                 printk(KERN_DEBUG "EXEC_STATIC_MF_RELEASE, ");
 330                 break;
 331         case I2O_CMD_STATUS_GET:
 332                 printk(KERN_DEBUG "EXEC_STATUS_GET, ");
 333                 break;
 334         case I2O_CMD_SW_DOWNLOAD:
 335                 printk(KERN_DEBUG "EXEC_SW_DOWNLOAD, ");
 336                 break;
 337         case I2O_CMD_SW_UPLOAD:
 338                 printk(KERN_DEBUG "EXEC_SW_UPLOAD, ");
 339                 break;
 340         case I2O_CMD_SW_REMOVE:
 341                 printk(KERN_DEBUG "EXEC_SW_REMOVE, ");
 342                 break;
 343         case I2O_CMD_SYS_ENABLE:
 344                 printk(KERN_DEBUG "EXEC_SYS_ENABLE, ");
 345                 break;
 346         case I2O_CMD_SYS_MODIFY:
 347                 printk(KERN_DEBUG "EXEC_SYS_MODIFY, ");
 348                 break;
 349         case I2O_CMD_SYS_QUIESCE:
 350                 printk(KERN_DEBUG "EXEC_SYS_QUIESCE, ");
 351                 break;
 352         case I2O_CMD_SYS_TAB_SET:
 353                 printk(KERN_DEBUG "EXEC_SYS_TAB_SET, ");
 354                 break;
 355         default:
 356                 printk(KERN_DEBUG "Cmd = %#02x, ", cmd);
 357         }
 358 }
 359
 360 void i2o_debug_state(struct i2o_controller *c)
 361 {
 362         printk(KERN_INFO "%s: State = ", c->name);
 363         switch (((i2o_status_block *) c->status_block.virt)->iop_state) {
 364         case 0x01:
 365                 printk(KERN_DEBUG "INIT\n");
 366                 break;
 367         case 0x02:
 368                 printk(KERN_DEBUG "RESET\n");
 369                 break;
 370         case 0x04:
 371                 printk(KERN_DEBUG "HOLD\n");
 372                 break;
 373         case 0x05:
 374                 printk(KERN_DEBUG "READY\n");
 375                 break;
 376         case 0x08:
 377                 printk(KERN_DEBUG "OPERATIONAL\n");
 378                 break;
 379         case 0x10:
 380                 printk(KERN_DEBUG "FAILED\n");
 381                 break;
 382         case 0x11:
 383                 printk(KERN_DEBUG "FAULTED\n");
 384                 break;
 385         default:
 386                 printk(KERN_DEBUG "%x (unknown !!)\n",
 387                        ((i2o_status_block *) c->status_block.virt)->iop_state);
 388         }
 389 };
 390
 391 void i2o_dump_hrt(struct i2o_controller *c)
 392 {
 393         u32 *rows = (u32 *) c->hrt.virt;
 394         u8 *p = (u8 *) c->hrt.virt;
 395         u8 *d;
 396         int count;
 397         int length;
 398         int i;
 399         int state;
 400
 401         if (p[3] != 0) {
 402                 printk(KERN_ERR
 403                        "%s: HRT table for controller is too new a version.\n",
 404                        c->name);
 405                 return;
 406         }
 407
 408         count = p[0] | (p[1] << 8);
 409         length = p[2];
 410
 411         printk(KERN_INFO "%s: HRT has %d entries of %d bytes each.\n",
 412                c->name, count, length << 2);
 413
 414         rows += 2;
 415
 416         for (i = 0; i < count; i++) {
 417                 printk(KERN_INFO "Adapter %08X: ", rows[0]);
 418                 p = (u8 *) (rows + 1);
 419                 d = (u8 *) (rows + 2);
 420                 state = p[1] << 8 | p[0];
 421
 422                 printk(KERN_DEBUG "TID %04X:[", state & 0xFFF);
 423                 state >>= 12;
 424                 if (state & (1 << 0))
 425                         printk(KERN_DEBUG "H"); /* Hidden */
 426                 if (state & (1 << 2)) {
 427                         printk(KERN_DEBUG "P"); /* Present */
 428                         if (state & (1 << 1))
 429                                 printk(KERN_DEBUG "C"); /* Controlled */
 430                 }
 431                 if (state > 9)
 432                         printk(KERN_DEBUG "*"); /* Hard */
 433
 434                 printk(KERN_DEBUG "]:");
 435
 436                 switch (p[3] & 0xFFFF) {
 437                 case 0:
 438                         /* Adapter private bus - easy */
 439                         printk(KERN_DEBUG
 440                                "Local bus %d: I/O at 0x%04X Mem 0x%08X", p[2],
 441                                d[1] << 8 | d[0], *(u32 *) (d + 4));
 442                         break;
 443                 case 1:
 444                         /* ISA bus */
 445                         printk(KERN_DEBUG
 446                                "ISA %d: CSN %d I/O at 0x%04X Mem 0x%08X", p[2],
 447                                d[2], d[1] << 8 | d[0], *(u32 *) (d + 4));
 448                         break;
 449
 450                 case 2: /* EISA bus */
 451                         printk(KERN_DEBUG
 452                                "EISA %d: Slot %d I/O at 0x%04X Mem 0x%08X",
 453                                p[2], d[3], d[1] << 8 | d[0], *(u32 *) (d + 4));
 454                         break;
 455
 456                 case 3: /* MCA bus */
 457                         printk(KERN_DEBUG
 458                                "MCA %d: Slot %d I/O at 0x%04X Mem 0x%08X", p[2],
 459                                d[3], d[1] << 8 | d[0], *(u32 *) (d + 4));
 460                         break;
 461
 462                 case 4: /* PCI bus */
 463                         printk(KERN_DEBUG
 464                                "PCI %d: Bus %d Device %d Function %d", p[2],
 465                                d[2], d[1], d[0]);
 466                         break;
 467
 468                 case 0x80:      /* Other */
 469                 default:
 470                         printk(KERN_DEBUG "Unsupported bus type.");
 471                         break;
 472                 }
 473                 printk(KERN_DEBUG "\n");
 474                 rows += length;
 475         }
 476 }
 477
 478 EXPORT_SYMBOL(i2o_dump_message);