nsp32_debug.c

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/*
 * Workbit NinjaSCSI-32Bi/UDE PCI/CardBus SCSI Host Bus Adapter driver
 * Debug routine
 *
 * This software may be used and distributed according to the terms of
 * the GNU General Public License.
 */

/*
 * Show the command data of a command
 */
static const char unknown[] = "UNKNOWN";

static const char * group_0_commands[] = {
/* 00-03 */ "Test Unit Ready", "Rezero Unit", unknown, "Request Sense",
/* 04-07 */ "Format Unit", "Read Block Limits", unknown, "Reassign Blocks",
/* 08-0d */ "Read (6)", unknown, "Write (6)", "Seek (6)", unknown, unknown,
/* 0e-12 */ unknown, "Read Reverse", "Write Filemarks", "Space", "Inquiry",  
/* 13-16 */ unknown, "Recover Buffered Data", "Mode Select", "Reserve",
/* 17-1b */ "Release", "Copy", "Erase", "Mode Sense", "Start/Stop Unit",
/* 1c-1d */ "Receive Diagnostic", "Send Diagnostic", 
/* 1e-1f */ "Prevent/Allow Medium Removal", unknown,
};


static const char *group_1_commands[] = {
/* 20-22 */  unknown, unknown, unknown,
/* 23-28 */ unknown, unknown, "Read Capacity", unknown, unknown, "Read (10)",
/* 29-2d */ unknown, "Write (10)", "Seek (10)", unknown, unknown,
/* 2e-31 */ "Write Verify","Verify", "Search High", "Search Equal",
/* 32-34 */ "Search Low", "Set Limits", "Prefetch or Read Position", 
/* 35-37 */ "Synchronize Cache","Lock/Unlock Cache", "Read Defect Data",
/* 38-3c */ "Medium Scan", "Compare","Copy Verify", "Write Buffer", "Read Buffer",
/* 3d-3f */ "Update Block", "Read Long",  "Write Long",
};


static const char *group_2_commands[] = {
/* 40-41 */ "Change Definition", "Write Same", 
/* 42-48 */ "Read Sub-Ch(cd)", "Read TOC", "Read Header(cd)", "Play Audio(cd)", unknown, "Play Audio MSF(cd)", "Play Audio Track/Index(cd)", 
/* 49-4f */ "Play Track Relative(10)(cd)", unknown, "Pause/Resume(cd)", "Log Select", "Log Sense", unknown, unknown,
/* 50-55 */ unknown, unknown, unknown, unknown, unknown, "Mode Select (10)",
/* 56-5b */ unknown, unknown, unknown, unknown, "Mode Sense (10)", unknown,
/* 5c-5f */ unknown, unknown, unknown,
};

#define group(opcode) (((opcode) >> 5) & 7)

#define RESERVED_GROUP  0
#define VENDOR_GROUP    1
#define NOTEXT_GROUP    2

static const char **commands[] = {
    group_0_commands, group_1_commands, group_2_commands, 
    (const char **) RESERVED_GROUP, (const char **) RESERVED_GROUP, 
    (const char **) NOTEXT_GROUP, (const char **) VENDOR_GROUP, 
    (const char **) VENDOR_GROUP
};

static const char reserved[] = "RESERVED";
static const char vendor[] = "VENDOR SPECIFIC";

static void print_opcodek(unsigned char opcode)
{
    const char **table = commands[ group(opcode) ];

    switch ((unsigned long) table) {
    case RESERVED_GROUP:
        printk("%s[%02x] ", reserved, opcode); 
        break;
    case NOTEXT_GROUP:
        printk("%s(notext)[%02x] ", unknown, opcode); 
        break;
    case VENDOR_GROUP:
        printk("%s[%02x] ", vendor, opcode); 
        break;
    default:
        if (table[opcode & 0x1f] != unknown)
            printk("%s[%02x] ", table[opcode & 0x1f], opcode);
        else
            printk("%s[%02x] ", unknown, opcode);
        break;
    }
}

static void print_commandk (unsigned char *command)
{
    int i,s;
//  printk(KERN_DEBUG);
    print_opcodek(command[0]);
    /*printk(KERN_DEBUG "%s ", __func__);*/
    if ((command[0] >> 5) == 6 ||
        (command[0] >> 5) == 7 ) {
        s = 12; /* vender specific */
    } else {
        s = COMMAND_SIZE(command[0]);
    }

    for ( i = 1; i < s; ++i) {
        printk("%02x ", command[i]);
    }

    switch (s) {
    case 6:
        printk("LBA=%d len=%d",
               (((unsigned int)command[1] & 0x0f) << 16) |
               ( (unsigned int)command[2]         <<  8) |
               ( (unsigned int)command[3]              ),
               (unsigned int)command[4]
            );
        break;
    case 10:
        printk("LBA=%d len=%d",
               ((unsigned int)command[2] << 24) |
               ((unsigned int)command[3] << 16) |
               ((unsigned int)command[4] <<  8) |
               ((unsigned int)command[5]      ),
               ((unsigned int)command[7] <<  8) |
               ((unsigned int)command[8]      )
               );
        break;
    case 12:
        printk("LBA=%d len=%d",
               ((unsigned int)command[2] << 24) |
               ((unsigned int)command[3] << 16) |
               ((unsigned int)command[4] <<  8) |
               ((unsigned int)command[5]      ),
               ((unsigned int)command[6] << 24) |
               ((unsigned int)command[7] << 16) |
               ((unsigned int)command[8] <<  8) |
               ((unsigned int)command[9]      )
               );
        break;
    default:
        break;
    }
    printk("\n");
}

static void show_command(Scsi_Cmnd *SCpnt)
{
    print_commandk(SCpnt->cmnd);
}

static void show_busphase(unsigned char stat)
{
    switch(stat) {
    case BUSPHASE_COMMAND:
        printk( "BUSPHASE_COMMAND\n");
        break;
    case BUSPHASE_MESSAGE_IN:
        printk( "BUSPHASE_MESSAGE_IN\n");
        break;
    case BUSPHASE_MESSAGE_OUT:
        printk( "BUSPHASE_MESSAGE_OUT\n");
        break;
    case BUSPHASE_DATA_IN:
        printk( "BUSPHASE_DATA_IN\n");
        break;
    case BUSPHASE_DATA_OUT:
        printk( "BUSPHASE_DATA_OUT\n");
        break;
    case BUSPHASE_STATUS:
        printk( "BUSPHASE_STATUS\n");
        break;
    case BUSPHASE_SELECT:
        printk( "BUSPHASE_SELECT\n");
        break;
    default:
        printk( "BUSPHASE_other: 0x%x\n", stat);
        break;
    }
}

static void show_autophase(unsigned short i)
{
    printk("auto: 0x%x,", i);

    if(i & COMMAND_PHASE) {
        printk(" cmd");
    }
    if(i & DATA_IN_PHASE) {
        printk(" din");
    }
    if(i & DATA_OUT_PHASE) {
        printk(" dout");
    }
    if(i & MSGOUT_PHASE) {
        printk(" mout");
    }
    if(i & STATUS_PHASE) {
        printk(" stat");
    }
    if(i & ILLEGAL_PHASE) {
        printk(" ill");
    }
    if(i & BUS_FREE_OCCUER) {
        printk(" bfree-o");
    }
    if(i & MSG_IN_OCCUER) {
        printk(" min-o");
    }
    if(i & MSG_OUT_OCCUER) {
        printk(" mout-o");
    }
    if(i & SELECTION_TIMEOUT) {
        printk(" sel");
    }
    if(i & MSGIN_00_VALID) {
        printk(" m0");
    }
    if(i & MSGIN_02_VALID) {
        printk(" m2");
    }
    if(i & MSGIN_03_VALID) {
        printk(" m3");
    }
    if(i & MSGIN_04_VALID) {
        printk(" m4");
    }
    if(i & AUTOSCSI_BUSY) {
        printk(" busy");
    }

    printk("\n");
}

static void nsp32_print_register(int base)
{
    if (!(NSP32_DEBUG_MASK & NSP32_SPECIAL_PRINT_REGISTER))
        return;

    printk("Phase=0x%x, ", nsp32_read1(base, SCSI_BUS_MONITOR));
    printk("OldPhase=0x%x, ", nsp32_index_read1(base, OLD_SCSI_PHASE));
    printk("syncreg=0x%x, ", nsp32_read1(base, SYNC_REG));
    printk("ackwidth=0x%x, ", nsp32_read1(base, ACK_WIDTH));
    printk("sgtpaddr=0x%lx, ", nsp32_read4(base, SGT_ADR));
    printk("scsioutlatch=0x%x, ", nsp32_read1(base, SCSI_OUT_LATCH_TARGET_ID));
    printk("msgout=0x%lx, ", nsp32_read4(base, SCSI_MSG_OUT));
    printk("miscrd=0x%x, ", nsp32_index_read2(base, MISC_WR));
    printk("seltimeout=0x%x, ", nsp32_read2(base, SEL_TIME_OUT));
    printk("sreqrate=0x%x, ", nsp32_read1(base, SREQ_SMPL_RATE));
    printk("transStatus=0x%x, ", nsp32_read2(base, TRANSFER_STATUS));
    printk("reselectid=0x%x, ", nsp32_read2(base, COMMAND_CONTROL));
    printk("arbit=0x%x, ", nsp32_read1(base, ARBIT_STATUS));
    printk("BmStart=0x%lx, ", nsp32_read4(base, BM_START_ADR));
    printk("BmCount=0x%lx, ", nsp32_read4(base, BM_CNT));
    printk("SackCnt=0x%lx, ", nsp32_read4(base, SACK_CNT));
    printk("SReqCnt=0x%lx, ", nsp32_read4(base, SREQ_CNT));
    printk("SavedSackCnt=0x%lx, ", nsp32_read4(base, SAVED_SACK_CNT));
    printk("ScsiBusControl=0x%x, ", nsp32_read1(base, SCSI_BUS_CONTROL));
    printk("FifoRestCnt=0x%x, ", nsp32_read2(base, FIFO_REST_CNT));
    printk("CdbIn=0x%x, ", nsp32_read1(base, SCSI_CSB_IN));
    printk("\n");

    if (0) {
        printk("execph=0x%x, ", nsp32_read2(base, SCSI_EXECUTE_PHASE));
        printk("IrqStatus=0x%x, ", nsp32_read2(base, IRQ_STATUS));
        printk("\n");
    }
}

/* end */