drivers/scsi/nsp32_debug.c

0001 /*
0002  * Workbit NinjaSCSI-32Bi/UDE PCI/CardBus SCSI Host Bus Adapter driver
0003  * Debug routine
0004  *
0005  * This software may be used and distributed according to the terms of
0006  * the GNU General Public License.
0007  */
0008
0009 /*
0010  * Show the command data of a command
0011  */
0012 static const char unknown[] = "UNKNOWN";
0013
0014 static const char * group_0_commands[] = {
0015 /* 00-03 */ "Test Unit Ready", "Rezero Unit", unknown, "Request Sense",
0016 /* 04-07 */ "Format Unit", "Read Block Limits", unknown, "Reassign Blocks",
0017 /* 08-0d */ "Read (6)", unknown, "Write (6)", "Seek (6)", unknown, unknown,
0018 /* 0e-12 */ unknown, "Read Reverse", "Write Filemarks", "Space", "Inquiry",
0019 /* 13-16 */ unknown, "Recover Buffered Data", "Mode Select", "Reserve",
0020 /* 17-1b */ "Release", "Copy", "Erase", "Mode Sense", "Start/Stop Unit",
0021 /* 1c-1d */ "Receive Diagnostic", "Send Diagnostic",
0022 /* 1e-1f */ "Prevent/Allow Medium Removal", unknown,
0023 };
0024
0025
0026 static const char *group_1_commands[] = {
0027 /* 20-22 */  unknown, unknown, unknown,
0028 /* 23-28 */ unknown, unknown, "Read Capacity", unknown, unknown, "Read (10)",
0029 /* 29-2d */ unknown, "Write (10)", "Seek (10)", unknown, unknown,
0030 /* 2e-31 */ "Write Verify","Verify", "Search High", "Search Equal",
0031 /* 32-34 */ "Search Low", "Set Limits", "Prefetch or Read Position",
0032 /* 35-37 */ "Synchronize Cache","Lock/Unlock Cache", "Read Defect Data",
0033 /* 38-3c */ "Medium Scan", "Compare","Copy Verify", "Write Buffer", "Read Buffer",
0034 /* 3d-3f */ "Update Block", "Read Long",  "Write Long",
0035 };
0036
0037
0038 static const char *group_2_commands[] = {
0039 /* 40-41 */ "Change Definition", "Write Same",
0040 /* 42-48 */ "Read Sub-Ch(cd)", "Read TOC", "Read Header(cd)", "Play Audio(cd)", unknown, "Play Audio MSF(cd)", "Play Audio Track/Index(cd)",
0041 /* 49-4f */ "Play Track Relative(10)(cd)", unknown, "Pause/Resume(cd)", "Log Select", "Log Sense", unknown, unknown,
0042 /* 50-55 */ unknown, unknown, unknown, unknown, unknown, "Mode Select (10)",
0043 /* 56-5b */ unknown, unknown, unknown, unknown, "Mode Sense (10)", unknown,
0044 /* 5c-5f */ unknown, unknown, unknown,
0045 };
0046
0047 #define group(opcode) (((opcode) >> 5) & 7)
0048
0049 #define RESERVED_GROUP  0
0050 #define VENDOR_GROUP    1
0051 #define NOTEXT_GROUP    2
0052
0053 static const char **commands[] = {
0054     group_0_commands, group_1_commands, group_2_commands,
0055     (const char **) RESERVED_GROUP, (const char **) RESERVED_GROUP,
0056     (const char **) NOTEXT_GROUP, (const char **) VENDOR_GROUP,
0057     (const char **) VENDOR_GROUP
0058 };
0059
0060 static const char reserved[] = "RESERVED";
0061 static const char vendor[] = "VENDOR SPECIFIC";
0062
0063 static void print_opcodek(unsigned char opcode)
0064 {
0065     const char **table = commands[ group(opcode) ];
0066
0067     switch ((unsigned long) table) {
0068     case RESERVED_GROUP:
0069         printk("%s[%02x] ", reserved, opcode);
0070         break;
0071     case NOTEXT_GROUP:
0072         printk("%s(notext)[%02x] ", unknown, opcode);
0073         break;
0074     case VENDOR_GROUP:
0075         printk("%s[%02x] ", vendor, opcode);
0076         break;
0077     default:
0078         if (table[opcode & 0x1f] != unknown)
0079             printk("%s[%02x] ", table[opcode & 0x1f], opcode);
0080         else
0081             printk("%s[%02x] ", unknown, opcode);
0082         break;
0083     }
0084 }
0085
0086 static void print_commandk (unsigned char *command)
0087 {
0088     int i,s;
0089 //  printk(KERN_DEBUG);
0090     print_opcodek(command[0]);
0091     /*printk(KERN_DEBUG "%s ", __func__);*/
0092     if ((command[0] >> 5) == 6 ||
0093         (command[0] >> 5) == 7 ) {
0094         s = 12; /* vender specific */
0095     } else {
0096         s = COMMAND_SIZE(command[0]);
0097     }
0098
0099     for ( i = 1; i < s; ++i) {
0100         printk("%02x ", command[i]);
0101     }
0102
0103     switch (s) {
0104     case 6:
0105         printk("LBA=%d len=%d",
0106                (((unsigned int)command[1] & 0x0f) << 16) |
0107                ( (unsigned int)command[2]         <<  8) |
0108                ( (unsigned int)command[3]              ),
0109                (unsigned int)command[4]
0110             );
0111         break;
0112     case 10:
0113         printk("LBA=%d len=%d",
0114                ((unsigned int)command[2] << 24) |
0115                ((unsigned int)command[3] << 16) |
0116                ((unsigned int)command[4] <<  8) |
0117                ((unsigned int)command[5]      ),
0118                ((unsigned int)command[7] <<  8) |
0119                ((unsigned int)command[8]      )
0120                );
0121         break;
0122     case 12:
0123         printk("LBA=%d len=%d",
0124                ((unsigned int)command[2] << 24) |
0125                ((unsigned int)command[3] << 16) |
0126                ((unsigned int)command[4] <<  8) |
0127                ((unsigned int)command[5]      ),
0128                ((unsigned int)command[6] << 24) |
0129                ((unsigned int)command[7] << 16) |
0130                ((unsigned int)command[8] <<  8) |
0131                ((unsigned int)command[9]      )
0132                );
0133         break;
0134     default:
0135         break;
0136     }
0137     printk("\n");
0138 }
0139
0140 static void show_command(struct scsi_cmnd *SCpnt)
0141 {
0142     print_commandk(SCpnt->cmnd);
0143 }
0144
0145 static void show_busphase(unsigned char stat)
0146 {
0147     switch(stat) {
0148     case BUSPHASE_COMMAND:
0149         printk( "BUSPHASE_COMMAND\n");
0150         break;
0151     case BUSPHASE_MESSAGE_IN:
0152         printk( "BUSPHASE_MESSAGE_IN\n");
0153         break;
0154     case BUSPHASE_MESSAGE_OUT:
0155         printk( "BUSPHASE_MESSAGE_OUT\n");
0156         break;
0157     case BUSPHASE_DATA_IN:
0158         printk( "BUSPHASE_DATA_IN\n");
0159         break;
0160     case BUSPHASE_DATA_OUT:
0161         printk( "BUSPHASE_DATA_OUT\n");
0162         break;
0163     case BUSPHASE_STATUS:
0164         printk( "BUSPHASE_STATUS\n");
0165         break;
0166     case BUSPHASE_SELECT:
0167         printk( "BUSPHASE_SELECT\n");
0168         break;
0169     default:
0170         printk( "BUSPHASE_other: 0x%x\n", stat);
0171         break;
0172     }
0173 }
0174
0175 static void show_autophase(unsigned short i)
0176 {
0177     printk("auto: 0x%x,", i);
0178
0179     if(i & COMMAND_PHASE) {
0180         printk(" cmd");
0181     }
0182     if(i & DATA_IN_PHASE) {
0183         printk(" din");
0184     }
0185     if(i & DATA_OUT_PHASE) {
0186         printk(" dout");
0187     }
0188     if(i & MSGOUT_PHASE) {
0189         printk(" mout");
0190     }
0191     if(i & STATUS_PHASE) {
0192         printk(" stat");
0193     }
0194     if(i & ILLEGAL_PHASE) {
0195         printk(" ill");
0196     }
0197     if(i & BUS_FREE_OCCUER) {
0198         printk(" bfree-o");
0199     }
0200     if(i & MSG_IN_OCCUER) {
0201         printk(" min-o");
0202     }
0203     if(i & MSG_OUT_OCCUER) {
0204         printk(" mout-o");
0205     }
0206     if(i & SELECTION_TIMEOUT) {
0207         printk(" sel");
0208     }
0209     if(i & MSGIN_00_VALID) {
0210         printk(" m0");
0211     }
0212     if(i & MSGIN_02_VALID) {
0213         printk(" m2");
0214     }
0215     if(i & MSGIN_03_VALID) {
0216         printk(" m3");
0217     }
0218     if(i & MSGIN_04_VALID) {
0219         printk(" m4");
0220     }
0221     if(i & AUTOSCSI_BUSY) {
0222         printk(" busy");
0223     }
0224
0225     printk("\n");
0226 }
0227
0228 static void nsp32_print_register(int base)
0229 {
0230     if (!(NSP32_DEBUG_MASK & NSP32_SPECIAL_PRINT_REGISTER))
0231         return;
0232
0233     printk("Phase=0x%x, ", nsp32_read1(base, SCSI_BUS_MONITOR));
0234     printk("OldPhase=0x%x, ", nsp32_index_read1(base, OLD_SCSI_PHASE));
0235     printk("syncreg=0x%x, ", nsp32_read1(base, SYNC_REG));
0236     printk("ackwidth=0x%x, ", nsp32_read1(base, ACK_WIDTH));
0237     printk("sgtpaddr=0x%lx, ", nsp32_read4(base, SGT_ADR));
0238     printk("scsioutlatch=0x%x, ", nsp32_read1(base, SCSI_OUT_LATCH_TARGET_ID));
0239     printk("msgout=0x%lx, ", nsp32_read4(base, SCSI_MSG_OUT));
0240     printk("miscrd=0x%x, ", nsp32_index_read2(base, MISC_WR));
0241     printk("seltimeout=0x%x, ", nsp32_read2(base, SEL_TIME_OUT));
0242     printk("sreqrate=0x%x, ", nsp32_read1(base, SREQ_SMPL_RATE));
0243     printk("transStatus=0x%x, ", nsp32_read2(base, TRANSFER_STATUS));
0244     printk("reselectid=0x%x, ", nsp32_read2(base, COMMAND_CONTROL));
0245     printk("arbit=0x%x, ", nsp32_read1(base, ARBIT_STATUS));
0246     printk("BmStart=0x%lx, ", nsp32_read4(base, BM_START_ADR));
0247     printk("BmCount=0x%lx, ", nsp32_read4(base, BM_CNT));
0248     printk("SackCnt=0x%lx, ", nsp32_read4(base, SACK_CNT));
0249     printk("SReqCnt=0x%lx, ", nsp32_read4(base, SREQ_CNT));
0250     printk("SavedSackCnt=0x%lx, ", nsp32_read4(base, SAVED_SACK_CNT));
0251     printk("ScsiBusControl=0x%x, ", nsp32_read1(base, SCSI_BUS_CONTROL));
0252     printk("FifoRestCnt=0x%x, ", nsp32_read2(base, FIFO_REST_CNT));
0253     printk("CdbIn=0x%x, ", nsp32_read1(base, SCSI_CSB_IN));
0254     printk("\n");
0255
0256     if (0) {
0257         printk("execph=0x%x, ", nsp32_read2(base, SCSI_EXECUTE_PHASE));
0258         printk("IrqStatus=0x%x, ", nsp32_read2(base, IRQ_STATUS));
0259         printk("\n");
0260     }
0261 }
0262
0263 /* end */