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kernel/linux-imx6_3.14.28/drivers/scsi/nsp32_debug.c 7.32 KB
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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("
  ");
  }
  
  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
  ");
  		break;
  	case BUSPHASE_MESSAGE_IN:
  		printk( "BUSPHASE_MESSAGE_IN
  ");
  		break;
  	case BUSPHASE_MESSAGE_OUT:
  		printk( "BUSPHASE_MESSAGE_OUT
  ");
  		break;
  	case BUSPHASE_DATA_IN:
  		printk( "BUSPHASE_DATA_IN
  ");
  		break;
  	case BUSPHASE_DATA_OUT:
  		printk( "BUSPHASE_DATA_OUT
  ");
  		break;
  	case BUSPHASE_STATUS:
  		printk( "BUSPHASE_STATUS
  ");
  		break;
  	case BUSPHASE_SELECT:
  		printk( "BUSPHASE_SELECT
  ");
  		break;
  	default:
  		printk( "BUSPHASE_other: 0x%x
  ", 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("
  ");
  }
  
  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("
  ");
  
  	if (0) {
  		printk("execph=0x%x, ", nsp32_read2(base, SCSI_EXECUTE_PHASE));
  		printk("IrqStatus=0x%x, ", nsp32_read2(base, IRQ_STATUS));
  		printk("
  ");
  	}
  }
  
  /* end */