drivers/scsi/nsp32_debug.c

   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  */
  12 static const char unknown[] = "UNKNOWN";
  13
  14 static 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
  26 static 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
  38 static 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
  53 static 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
  60 static const char reserved[] = "RESERVED";
  61 static const char vendor[] = "VENDOR SPECIFIC";
  62
  63 static 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
  86 static 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
 140 static void show_command(struct scsi_cmnd *SCpnt)
 141 {
 142         print_commandk(SCpnt->cmnd);
 143 }
 144
 145 static 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
 175 static 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
 228 static 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 */