cregit-Linux how code gets into the kernel

Release 4.7 drivers/scsi/nsp32_debug.c

Directory: drivers/scsi
/*
 * 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; } }

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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"); }

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

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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; } }

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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"); }

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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"); } }

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/* end */

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goto masanorigoto masanori143799.58%125.00%
linus torvaldslinus torvalds40.28%125.00%
harvey harrisonharvey harrison10.07%125.00%
justin mattockjustin mattock10.07%125.00%
Total1443100.00%4100.00%
Directory: drivers/scsi
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