linux/drivers/message/i2o/debug.c
<<
>>
Prefs
   1#include <linux/module.h>
   2#include <linux/kernel.h>
   3#include <linux/pci.h>
   4#include <linux/i2o.h>
   5
   6static void i2o_report_util_cmd(u8 cmd);
   7static void i2o_report_exec_cmd(u8 cmd);
   8static void i2o_report_fail_status(u8 req_status, u32 * msg);
   9static void i2o_report_common_status(u8 req_status);
  10static 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 */
  16void 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("%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("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(" / DetailedStatus = %0#4x.\n",
  48                       detailed_status);
  49}
  50
  51/* Used to dump a message to syslog during debugging */
  52void 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 */
  69static 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("TRANSPORT_UNKNOWN_FAILURE (%0#2x).\n",
  93                       req_status);
  94        else
  95                printk("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\n", (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 */
 127static 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("RequestStatus = %0#2x", req_status);
 146        else
 147                printk("%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 */
 155static 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(" / DetailedStatus = %0#4x.\n",
 191                       detailed_status);
 192        else
 193                printk(" / %s.\n", COMMON_DSC[detailed_status]);
 194}
 195
 196/*
 197 * Used for error reporting/debugging purposes
 198 */
 199static void i2o_report_util_cmd(u8 cmd)
 200{
 201        switch (cmd) {
 202        case I2O_CMD_UTIL_NOP:
 203                printk("UTIL_NOP, ");
 204                break;
 205        case I2O_CMD_UTIL_ABORT:
 206                printk("UTIL_ABORT, ");
 207                break;
 208        case I2O_CMD_UTIL_CLAIM:
 209                printk("UTIL_CLAIM, ");
 210                break;
 211        case I2O_CMD_UTIL_RELEASE:
 212                printk("UTIL_CLAIM_RELEASE, ");
 213                break;
 214        case I2O_CMD_UTIL_CONFIG_DIALOG:
 215                printk("UTIL_CONFIG_DIALOG, ");
 216                break;
 217        case I2O_CMD_UTIL_DEVICE_RESERVE:
 218                printk("UTIL_DEVICE_RESERVE, ");
 219                break;
 220        case I2O_CMD_UTIL_DEVICE_RELEASE:
 221                printk("UTIL_DEVICE_RELEASE, ");
 222                break;
 223        case I2O_CMD_UTIL_EVT_ACK:
 224                printk("UTIL_EVENT_ACKNOWLEDGE, ");
 225                break;
 226        case I2O_CMD_UTIL_EVT_REGISTER:
 227                printk("UTIL_EVENT_REGISTER, ");
 228                break;
 229        case I2O_CMD_UTIL_LOCK:
 230                printk("UTIL_LOCK, ");
 231                break;
 232        case I2O_CMD_UTIL_LOCK_RELEASE:
 233                printk("UTIL_LOCK_RELEASE, ");
 234                break;
 235        case I2O_CMD_UTIL_PARAMS_GET:
 236                printk("UTIL_PARAMS_GET, ");
 237                break;
 238        case I2O_CMD_UTIL_PARAMS_SET:
 239                printk("UTIL_PARAMS_SET, ");
 240                break;
 241        case I2O_CMD_UTIL_REPLY_FAULT_NOTIFY:
 242                printk("UTIL_REPLY_FAULT_NOTIFY, ");
 243                break;
 244        default:
 245                printk("Cmd = %0#2x, ", cmd);
 246        }
 247}
 248
 249/*
 250 * Used for error reporting/debugging purposes
 251 */
 252static void i2o_report_exec_cmd(u8 cmd)
 253{
 254        switch (cmd) {
 255        case I2O_CMD_ADAPTER_ASSIGN:
 256                printk("EXEC_ADAPTER_ASSIGN, ");
 257                break;
 258        case I2O_CMD_ADAPTER_READ:
 259                printk("EXEC_ADAPTER_READ, ");
 260                break;
 261        case I2O_CMD_ADAPTER_RELEASE:
 262                printk("EXEC_ADAPTER_RELEASE, ");
 263                break;
 264        case I2O_CMD_BIOS_INFO_SET:
 265                printk("EXEC_BIOS_INFO_SET, ");
 266                break;
 267        case I2O_CMD_BOOT_DEVICE_SET:
 268                printk("EXEC_BOOT_DEVICE_SET, ");
 269                break;
 270        case I2O_CMD_CONFIG_VALIDATE:
 271                printk("EXEC_CONFIG_VALIDATE, ");
 272                break;
 273        case I2O_CMD_CONN_SETUP:
 274                printk("EXEC_CONN_SETUP, ");
 275                break;
 276        case I2O_CMD_DDM_DESTROY:
 277                printk("EXEC_DDM_DESTROY, ");
 278                break;
 279        case I2O_CMD_DDM_ENABLE:
 280                printk("EXEC_DDM_ENABLE, ");
 281                break;
 282        case I2O_CMD_DDM_QUIESCE:
 283                printk("EXEC_DDM_QUIESCE, ");
 284                break;
 285        case I2O_CMD_DDM_RESET:
 286                printk("EXEC_DDM_RESET, ");
 287                break;
 288        case I2O_CMD_DDM_SUSPEND:
 289                printk("EXEC_DDM_SUSPEND, ");
 290                break;
 291        case I2O_CMD_DEVICE_ASSIGN:
 292                printk("EXEC_DEVICE_ASSIGN, ");
 293                break;
 294        case I2O_CMD_DEVICE_RELEASE:
 295                printk("EXEC_DEVICE_RELEASE, ");
 296                break;
 297        case I2O_CMD_HRT_GET:
 298                printk("EXEC_HRT_GET, ");
 299                break;
 300        case I2O_CMD_ADAPTER_CLEAR:
 301                printk("EXEC_IOP_CLEAR, ");
 302                break;
 303        case I2O_CMD_ADAPTER_CONNECT:
 304                printk("EXEC_IOP_CONNECT, ");
 305                break;
 306        case I2O_CMD_ADAPTER_RESET:
 307                printk("EXEC_IOP_RESET, ");
 308                break;
 309        case I2O_CMD_LCT_NOTIFY:
 310                printk("EXEC_LCT_NOTIFY, ");
 311                break;
 312        case I2O_CMD_OUTBOUND_INIT:
 313                printk("EXEC_OUTBOUND_INIT, ");
 314                break;
 315        case I2O_CMD_PATH_ENABLE:
 316                printk("EXEC_PATH_ENABLE, ");
 317                break;
 318        case I2O_CMD_PATH_QUIESCE:
 319                printk("EXEC_PATH_QUIESCE, ");
 320                break;
 321        case I2O_CMD_PATH_RESET:
 322                printk("EXEC_PATH_RESET, ");
 323                break;
 324        case I2O_CMD_STATIC_MF_CREATE:
 325                printk("EXEC_STATIC_MF_CREATE, ");
 326                break;
 327        case I2O_CMD_STATIC_MF_RELEASE:
 328                printk("EXEC_STATIC_MF_RELEASE, ");
 329                break;
 330        case I2O_CMD_STATUS_GET:
 331                printk("EXEC_STATUS_GET, ");
 332                break;
 333        case I2O_CMD_SW_DOWNLOAD:
 334                printk("EXEC_SW_DOWNLOAD, ");
 335                break;
 336        case I2O_CMD_SW_UPLOAD:
 337                printk("EXEC_SW_UPLOAD, ");
 338                break;
 339        case I2O_CMD_SW_REMOVE:
 340                printk("EXEC_SW_REMOVE, ");
 341                break;
 342        case I2O_CMD_SYS_ENABLE:
 343                printk("EXEC_SYS_ENABLE, ");
 344                break;
 345        case I2O_CMD_SYS_MODIFY:
 346                printk("EXEC_SYS_MODIFY, ");
 347                break;
 348        case I2O_CMD_SYS_QUIESCE:
 349                printk("EXEC_SYS_QUIESCE, ");
 350                break;
 351        case I2O_CMD_SYS_TAB_SET:
 352                printk("EXEC_SYS_TAB_SET, ");
 353                break;
 354        default:
 355                printk("Cmd = %#02x, ", cmd);
 356        }
 357}
 358
 359void 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("INIT\n");
 365                break;
 366        case 0x02:
 367                printk("RESET\n");
 368                break;
 369        case 0x04:
 370                printk("HOLD\n");
 371                break;
 372        case 0x05:
 373                printk("READY\n");
 374                break;
 375        case 0x08:
 376                printk("OPERATIONAL\n");
 377                break;
 378        case 0x10:
 379                printk("FAILED\n");
 380                break;
 381        case 0x11:
 382                printk("FAULTED\n");
 383                break;
 384        default:
 385                printk("%x (unknown !!)\n",
 386                       ((i2o_status_block *) c->status_block.virt)->iop_state);
 387        }
 388};
 389
 390void 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
 472EXPORT_SYMBOL(i2o_dump_message);
 473