linux/drivers/scsi/nsp32_debug.c
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   1/*
   2 * Workbit NinjaSCSI-32Bi/UDE PCI/CardBus SCSI Host Bus Adapter driver
   3 * Debug routine
   4 *
   5 * This software may be used and distributed according to the terms of
   6 * the GNU General Public License.
   7 */
   8
   9/*
  10 * Show the command data of a command
  11 */
  12static const char unknown[] = "UNKNOWN";
  13
  14static const char * group_0_commands[] = {
  15/* 00-03 */ "Test Unit Ready", "Rezero Unit", unknown, "Request Sense",
  16/* 04-07 */ "Format Unit", "Read Block Limits", unknown, "Reassign Blocks",
  17/* 08-0d */ "Read (6)", unknown, "Write (6)", "Seek (6)", unknown, unknown,
  18/* 0e-12 */ unknown, "Read Reverse", "Write Filemarks", "Space", "Inquiry",  
  19/* 13-16 */ unknown, "Recover Buffered Data", "Mode Select", "Reserve",
  20/* 17-1b */ "Release", "Copy", "Erase", "Mode Sense", "Start/Stop Unit",
  21/* 1c-1d */ "Receive Diagnostic", "Send Diagnostic", 
  22/* 1e-1f */ "Prevent/Allow Medium Removal", unknown,
  23};
  24
  25
  26static const char *group_1_commands[] = {
  27/* 20-22 */  unknown, unknown, unknown,
  28/* 23-28 */ unknown, unknown, "Read Capacity", unknown, unknown, "Read (10)",
  29/* 29-2d */ unknown, "Write (10)", "Seek (10)", unknown, unknown,
  30/* 2e-31 */ "Write Verify","Verify", "Search High", "Search Equal",
  31/* 32-34 */ "Search Low", "Set Limits", "Prefetch or Read Position", 
  32/* 35-37 */ "Synchronize Cache","Lock/Unlock Cache", "Read Defect Data",
  33/* 38-3c */ "Medium Scan", "Compare","Copy Verify", "Write Buffer", "Read Buffer",
  34/* 3d-3f */ "Update Block", "Read Long",  "Write Long",
  35};
  36
  37
  38static const char *group_2_commands[] = {
  39/* 40-41 */ "Change Definition", "Write Same", 
  40/* 42-48 */ "Read Sub-Ch(cd)", "Read TOC", "Read Header(cd)", "Play Audio(cd)", unknown, "Play Audio MSF(cd)", "Play Audio Track/Index(cd)", 
  41/* 49-4f */ "Play Track Relative(10)(cd)", unknown, "Pause/Resume(cd)", "Log Select", "Log Sense", unknown, unknown,
  42/* 50-55 */ unknown, unknown, unknown, unknown, unknown, "Mode Select (10)",
  43/* 56-5b */ unknown, unknown, unknown, unknown, "Mode Sense (10)", unknown,
  44/* 5c-5f */ unknown, unknown, unknown,
  45};
  46
  47#define group(opcode) (((opcode) >> 5) & 7)
  48
  49#define RESERVED_GROUP  0
  50#define VENDOR_GROUP    1
  51#define NOTEXT_GROUP    2
  52
  53static const char **commands[] = {
  54    group_0_commands, group_1_commands, group_2_commands, 
  55    (const char **) RESERVED_GROUP, (const char **) RESERVED_GROUP, 
  56    (const char **) NOTEXT_GROUP, (const char **) VENDOR_GROUP, 
  57    (const char **) VENDOR_GROUP
  58};
  59
  60static const char reserved[] = "RESERVED";
  61static const char vendor[] = "VENDOR SPECIFIC";
  62
  63static void print_opcodek(unsigned char opcode)
  64{
  65        const char **table = commands[ group(opcode) ];
  66
  67        switch ((unsigned long) table) {
  68        case RESERVED_GROUP:
  69                printk("%s[%02x] ", reserved, opcode); 
  70                break;
  71        case NOTEXT_GROUP:
  72                printk("%s(notext)[%02x] ", unknown, opcode); 
  73                break;
  74        case VENDOR_GROUP:
  75                printk("%s[%02x] ", vendor, opcode); 
  76                break;
  77        default:
  78                if (table[opcode & 0x1f] != unknown)
  79                        printk("%s[%02x] ", table[opcode & 0x1f], opcode);
  80                else
  81                        printk("%s[%02x] ", unknown, opcode);
  82                break;
  83        }
  84}
  85
  86static void print_commandk (unsigned char *command)
  87{
  88        int i,s;
  89//      printk(KERN_DEBUG);
  90        print_opcodek(command[0]);
  91        /*printk(KERN_DEBUG "%s ", __func__);*/
  92        if ((command[0] >> 5) == 6 ||
  93            (command[0] >> 5) == 7 ) {
  94                s = 12; /* vender specific */
  95        } else {
  96                s = COMMAND_SIZE(command[0]);
  97        }
  98
  99        for ( i = 1; i < s; ++i) {
 100                printk("%02x ", command[i]);
 101        }
 102
 103        switch (s) {
 104        case 6:
 105                printk("LBA=%d len=%d",
 106                       (((unsigned int)command[1] & 0x0f) << 16) |
 107                       ( (unsigned int)command[2]         <<  8) |
 108                       ( (unsigned int)command[3]              ),
 109                       (unsigned int)command[4]
 110                        );
 111                break;
 112        case 10:
 113                printk("LBA=%d len=%d",
 114                       ((unsigned int)command[2] << 24) |
 115                       ((unsigned int)command[3] << 16) |
 116                       ((unsigned int)command[4] <<  8) |
 117                       ((unsigned int)command[5]      ),
 118                       ((unsigned int)command[7] <<  8) |
 119                       ((unsigned int)command[8]      )
 120                       );
 121                break;
 122        case 12:
 123                printk("LBA=%d len=%d",
 124                       ((unsigned int)command[2] << 24) |
 125                       ((unsigned int)command[3] << 16) |
 126                       ((unsigned int)command[4] <<  8) |
 127                       ((unsigned int)command[5]      ),
 128                       ((unsigned int)command[6] << 24) |
 129                       ((unsigned int)command[7] << 16) |
 130                       ((unsigned int)command[8] <<  8) |
 131                       ((unsigned int)command[9]      )
 132                       );
 133                break;
 134        default:
 135                break;
 136        }
 137        printk("\n");
 138}
 139
 140static void show_command(Scsi_Cmnd *SCpnt)
 141{
 142        print_commandk(SCpnt->cmnd);
 143}
 144
 145static void show_busphase(unsigned char stat)
 146{
 147        switch(stat) {
 148        case BUSPHASE_COMMAND:
 149                printk( "BUSPHASE_COMMAND\n");
 150                break;
 151        case BUSPHASE_MESSAGE_IN:
 152                printk( "BUSPHASE_MESSAGE_IN\n");
 153                break;
 154        case BUSPHASE_MESSAGE_OUT:
 155                printk( "BUSPHASE_MESSAGE_OUT\n");
 156                break;
 157        case BUSPHASE_DATA_IN:
 158                printk( "BUSPHASE_DATA_IN\n");
 159                break;
 160        case BUSPHASE_DATA_OUT:
 161                printk( "BUSPHASE_DATA_OUT\n");
 162                break;
 163        case BUSPHASE_STATUS:
 164                printk( "BUSPHASE_STATUS\n");
 165                break;
 166        case BUSPHASE_SELECT:
 167                printk( "BUSPHASE_SELECT\n");
 168                break;
 169        default:
 170                printk( "BUSPHASE_other: 0x%x\n", stat);
 171                break;
 172        }
 173}
 174
 175static void show_autophase(unsigned short i)
 176{
 177        printk("auto: 0x%x,", i);
 178
 179        if(i & COMMAND_PHASE) {
 180                printk(" cmd");
 181        }
 182        if(i & DATA_IN_PHASE) {
 183                printk(" din");
 184        }
 185        if(i & DATA_OUT_PHASE) {
 186                printk(" dout");
 187        }
 188        if(i & MSGOUT_PHASE) {
 189                printk(" mout");
 190        }
 191        if(i & STATUS_PHASE) {
 192                printk(" stat");
 193        }
 194        if(i & ILLEGAL_PHASE) {
 195                printk(" ill");
 196        }
 197        if(i & BUS_FREE_OCCUER) {
 198                printk(" bfree-o");
 199        }
 200        if(i & MSG_IN_OCCUER) {
 201                printk(" min-o");
 202        }
 203        if(i & MSG_OUT_OCCUER) {
 204                printk(" mout-o");
 205        }
 206        if(i & SELECTION_TIMEOUT) {
 207                printk(" sel");
 208        }
 209        if(i & MSGIN_00_VALID) {
 210                printk(" m0");
 211        }
 212        if(i & MSGIN_02_VALID) {
 213                printk(" m2");
 214        }
 215        if(i & MSGIN_03_VALID) {
 216                printk(" m3");
 217        }
 218        if(i & MSGIN_04_VALID) {
 219                printk(" m4");
 220        }
 221        if(i & AUTOSCSI_BUSY) {
 222                printk(" busy");
 223        }
 224
 225        printk("\n");
 226}
 227
 228static void nsp32_print_register(int base)
 229{
 230        if (!(NSP32_DEBUG_MASK & NSP32_SPECIAL_PRINT_REGISTER))
 231                return;
 232
 233        printk("Phase=0x%x, ", nsp32_read1(base, SCSI_BUS_MONITOR));
 234        printk("OldPhase=0x%x, ", nsp32_index_read1(base, OLD_SCSI_PHASE));
 235        printk("syncreg=0x%x, ", nsp32_read1(base, SYNC_REG));
 236        printk("ackwidth=0x%x, ", nsp32_read1(base, ACK_WIDTH));
 237        printk("sgtpaddr=0x%lx, ", nsp32_read4(base, SGT_ADR));
 238        printk("scsioutlatch=0x%x, ", nsp32_read1(base, SCSI_OUT_LATCH_TARGET_ID));
 239        printk("msgout=0x%lx, ", nsp32_read4(base, SCSI_MSG_OUT));
 240        printk("miscrd=0x%x, ", nsp32_index_read2(base, MISC_WR));
 241        printk("seltimeout=0x%x, ", nsp32_read2(base, SEL_TIME_OUT));
 242        printk("sreqrate=0x%x, ", nsp32_read1(base, SREQ_SMPL_RATE));
 243        printk("transStatus=0x%x, ", nsp32_read2(base, TRANSFER_STATUS));
 244        printk("reselectid=0x%x, ", nsp32_read2(base, COMMAND_CONTROL));
 245        printk("arbit=0x%x, ", nsp32_read1(base, ARBIT_STATUS));
 246        printk("BmStart=0x%lx, ", nsp32_read4(base, BM_START_ADR));
 247        printk("BmCount=0x%lx, ", nsp32_read4(base, BM_CNT));
 248        printk("SackCnt=0x%lx, ", nsp32_read4(base, SACK_CNT));
 249        printk("SReqCnt=0x%lx, ", nsp32_read4(base, SREQ_CNT));
 250        printk("SavedSackCnt=0x%lx, ", nsp32_read4(base, SAVED_SACK_CNT));
 251        printk("ScsiBusControl=0x%x, ", nsp32_read1(base, SCSI_BUS_CONTROL));
 252        printk("FifoRestCnt=0x%x, ", nsp32_read2(base, FIFO_REST_CNT));
 253        printk("CdbIn=0x%x, ", nsp32_read1(base, SCSI_CSB_IN));
 254        printk("\n");
 255
 256        if (0) {
 257                printk("execph=0x%x, ", nsp32_read2(base, SCSI_EXECUTE_PHASE));
 258                printk("IrqStatus=0x%x, ", nsp32_read2(base, IRQ_STATUS));
 259                printk("\n");
 260        }
 261}
 262
 263/* end */
 264
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