drivers/message/i2o/debug.c

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