constants.c

LINUX 1.0 内核c源代码

  {0x2C,0x01,S,"Too many windows specified"},
  {0x2C,0x02,S,"Invalid combination of windows specified"},
  {0x2D,0x00,T,"Overwrite error on update in place"},
  {0x2F,0x00,D|T|L|P|W|R|S|O|M|C,"Commands cleared by another initiator"},
  {0x30,0x00,D|T|W|R|O|M,"Incompatible medium installed"},
  {0x30,0x01,D|T|W|R|O,"Cannot read medium - unknown format"},
  {0x30,0x02,D|T|W|R|O,"Cannot read medium - incompatible format"},
  {0x30,0x03,D|T,"Cleaning cartridge installed"},
  {0x31,0x00,D|T|W|O,"Medium format corrupted"},
  {0x31,0x01,D|L|O,"Format command failed"},
  {0x32,0x00,D|W|O,"No defect spare location available"},
  {0x32,0x01,D|W|O,"Defect list update failure"},
  {0x33,0x00,T,"Tape length error"},
  {0x36,0x00,L,"Ribbon, ink, or toner failure"},
  {0x37,0x00,D|T|L|W|R|S|O|M|C,"Rounded parameter"},
  {0x39,0x00,D|T|L|W|R|S|O|M|C,"Saving parameters not supported"},
  {0x3A,0x00,D|T|L|W|R|S|O|M,"Medium not present"},
  {0x3B,0x00,T|L,"Sequential positioning error"},
  {0x3B,0x01,T,"Tape position error at beginning-of-medium"},
  {0x3B,0x02,T,"Tape position error at end-of-medium"},
  {0x3B,0x03,L,"Tape or electronic vertical forms unit not ready"},
  {0x3B,0x04,L,"Slew failure"},
  {0x3B,0x05,L,"Paper jam"},
  {0x3B,0x06,L,"Failed to sense top-of-form"},
  {0x3B,0x07,L,"Failed to sense bottom-of-form"},
  {0x3B,0x08,T,"Reposition error"},
  {0x3B,0x09,S,"Read past end of medium"},
  {0x3B,0x0A,S,"Read past beginning of medium"},
  {0x3B,0x0B,S,"Position past end of medium"},
  {0x3B,0x0C,S,"Position past beginning of medium"},
  {0x3B,0x0D,M,"Medium destination element full"},
  {0x3B,0x0E,M,"Medium source element empty"},
  {0x3D,0x00,D|T|L|P|W|R|S|O|M|C,"Invalid bits in identify message"},
  {0x3E,0x00,D|T|L|P|W|R|S|O|M|C,"Logical unit has not self-configured yet"},
  {0x3F,0x00,D|T|L|P|W|R|S|O|M|C,"Target operating conditions have changed"},
  {0x3F,0x01,D|T|L|P|W|R|S|O|M|C,"Microcode has been changed"},
  {0x3F,0x02,D|T|L|P|W|R|S|O|M|C,"Changed operating definition"},
  {0x3F,0x03,D|T|L|P|W|R|S|O|M|C,"Inquiry data has changed"},
  {0x43,0x00,D|T|L|P|W|R|S|O|M|C,"Message error"},
  {0x44,0x00,D|T|L|P|W|R|S|O|M|C,"Internal target failure"},
  {0x45,0x00,D|T|L|P|W|R|S|O|M|C,"Select or reselect failure"},
  {0x46,0x00,D|T|L|P|W|R|S|O|M|C,"Unsuccessful soft reset"},
  {0x47,0x00,D|T|L|P|W|R|S|O|M|C,"Scsi parity error"},
  {0x48,0x00,D|T|L|P|W|R|S|O|M|C,"Initiator detected error message received"},
  {0x49,0x00,D|T|L|P|W|R|S|O|M|C,"Invalid message error"},
  {0x4A,0x00,D|T|L|P|W|R|S|O|M|C,"Command phase error"},
  {0x4B,0x00,D|T|L|P|W|R|S|O|M|C,"Data phase error"},
  {0x4C,0x00,D|T|L|P|W|R|S|O|M|C,"Logical unit failed self-configuration"},
  {0x4E,0x00,D|T|L|P|W|R|S|O|M|C,"Overlapped commands attempted"},
  {0x50,0x00,T,"Write append error"},
  {0x50,0x01,T,"Write append position error"},
  {0x50,0x02,T,"Position error related to timing"},
  {0x51,0x00,T|O,"Erase failure"},
  {0x52,0x00,T,"Cartridge fault"},
  {0x53,0x00,D|T|L|W|R|S|O|M,"Media load or eject failed"},
  {0x53,0x01,T,"Unload tape failure"},
  {0x53,0x02,D|T|W|R|O|M,"Medium removal prevented"},
  {0x54,0x00,P,"Scsi to host system interface failure"},
  {0x55,0x00,P,"System resource failure"},
  {0x57,0x00,R,"Unable to recover table-of-contents"},
  {0x58,0x00,O,"Generation does not exist"},
  {0x59,0x00,O,"Updated block read"},
  {0x5A,0x00,D|T|L|P|W|R|S|O|M,"Operator request or state change input (unspecified)"},
  {0x5A,0x01,D|T|W|R|O|M,"Operator medium removal request"},
  {0x5A,0x02,D|T|W|O,"Operator selected write protect"},
  {0x5A,0x03,D|T|W|O,"Operator selected write permit"},
  {0x5B,0x00,D|T|L|P|W|R|S|O|M,"Log exception"},
  {0x5B,0x01,D|T|L|P|W|R|S|O|M,"Threshold condition met"},
  {0x5B,0x02,D|T|L|P|W|R|S|O|M,"Log counter at maximum"},
  {0x5B,0x03,D|T|L|P|W|R|S|O|M,"Log list codes exhausted"},
  {0x5C,0x00,D|O,"Rpl status change"},
  {0x5C,0x01,D|O,"Spindles synchronized"},
  {0x5C,0x02,D|O,"Spindles not synchronized"},
  {0x60,0x00,S,"Lamp failure"},
  {0x61,0x00,S,"Video acquisition error"},
  {0x61,0x01,S,"Unable to acquire video"},
  {0x61,0x02,S,"Out of focus"},
  {0x62,0x00,S,"Scan head positioning error"},
  {0x63,0x00,R,"End of user area encountered on this track"},
  {0x64,0x00,R,"Illegal mode for this track"},
  {0, 0, 0, NULL}
};
#endif

#if (CONSTANTS & CONST_SENSE)
static char *snstext[] = {
	"None","Recovered Error","Not Ready","Medium Error","Hardware Error",
	"Illegal Request","Unit Attention","Data Protect","Blank Check",
	"Key=E","Key=F","Filemark","End-Of-Medium","Incorrect Block Length",
	"14","15"};
#endif


/* Print sense information */
void print_sense(char * devclass, Scsi_Cmnd * SCpnt)
{
	int i, s;
	int sense_class, valid, code;
	unsigned char * sense_buffer = SCpnt->sense_buffer;
	char * error = NULL;
	int dev = SCpnt->request.dev;

	sense_class = (sense_buffer[0] >> 4) & 0x07;
	code = sense_buffer[0] & 0xf;
	valid = sense_buffer[0] & 0x80;

	if (sense_class == 7) { 
	  s = sense_buffer[7] + 8;
	  if(s > sizeof(SCpnt->sense_buffer)) s = sizeof(SCpnt->sense_buffer);

	  if (!valid)
	    printk("extra data not valid ");
	  
	  if (sense_buffer[2] & 0x80) printk( "FMK ");
	  if (sense_buffer[2] & 0x40) printk( "EOM ");
	  if (sense_buffer[2] & 0x20) printk( "ILI ");

	  switch (code) {
	  case 0x0:
	    error = "Current";
	    break;
	  case 0x1:
	    error = "Deferred";
	    break;
	  default:
	    error = "Invalid";
	  }
	  
	  printk("%s error ", error);
	  
#if (CONSTANTS & CONST_SENSE)
	  if (sense_buffer[2] & 0x80) printk( "FMK ");
	  if (sense_buffer[2] & 0x40) printk( "EOM ");
	  if (sense_buffer[2] & 0x20) printk( "ILI ");
	  printk( "%s%x: sense key %s\n", devclass, dev, snstext[sense_buffer[2] & 0x0f]);
#else
	  printk("%s%x: sns = %2x %2x\n", devclass, dev, sense_buffer[0], sense_buffer[2]);
#endif
	
	/* Check to see if additional sense information is available */
	if(sense_buffer[7] + 7 < 13 ||
	   (sense_buffer[12] == 0  && sense_buffer[13] ==  0)) goto done;
	
#if (CONSTANTS & CONST_XSENSE)
	for(i=0; additional[i].text; i++)
		if(additional[i].code1 == sense_buffer[12] &&
		   additional[i].code2 == sense_buffer[13])
			printk("Additional sense indicates %s\n", additional[i].text);
	
	for(i=0; additional2[i].text; i++)
		if(additional2[i].code1 == sense_buffer[12] &&
		   additional2[i].code2_min >= sense_buffer[13]  &&
		   additional2[i].code2_max <= sense_buffer[13]) {
			printk("Additional sense indicates ");
			printk(additional2[i].text, sense_buffer[13]);
			printk("\n");
		};
#else
	printk("ASC=%2x ASCQ=%2x\n", sense_buffer[12], sense_buffer[13]);
#endif
	} else { 

#if (CONSTANTS & CONST_SENSE)
	  if (sense_buffer[0] < 15)
	    printk("%s%x: old sense key %s\n", devclass, dev, snstext[sense_buffer[0] & 0x0f]);
	  else
#endif
	    printk("%s%x: sns = %2x %2x\n", devclass, dev, sense_buffer[0], sense_buffer[2]);

	  printk("Non-extended sense class %d code 0x%0x ", sense_class, code);
	  s = 4;
	}
	
      done:
	for (i = 0; i < s; ++i) 
	  printk("0x%02x ", sense_buffer[i]);

	return;
}

#if (CONSTANTS & CONST_MSG) 
static const char *one_byte_msgs[] = {
/* 0x00 */ "Command Complete", NULL, "Save Pointers",
/* 0x03 */ "Restore Pointers", "Disconnect", "Initiator Error", 
/* 0x06 */ "Abort", "Message Reject", "Nop", "Message Parity Error",
/* 0x0a */ "Linked Command Complete", "Linked Command Complete w/flag",
/* 0x0c */ "Bus device reset", "Abort Tag", "Clear Queue", 
/* 0x0f */ "Initiate Recovery", "Release Recovery"
}

#define NO_ONE_BYTE_MSGS (sizeof(one_byte_msgs)  / sizeof (const char *))

static const char *queue_tag_msgs[] = {
/* 0x20 */ "Simple Queue Tag", "Head of Queue Tag", "Ordered Queue Tag"
/* 0x23 */ "Ignore Wide Residue"
}

#define NO_TWO_BYTE_MSGS (sizeof(two_byte_msgs)  / sizeof (const char *))

static const char *extended_msgs[] = {
/* 0x00 */ "Modify Data Pointer", "Synchronous Data Transfer Request",
/* 0x02 */ "SCSI-I Extended Identify", "Wide Data Transfer Reqeust"
};

#define NO_EXTENDED_MSGS (sizeof(two_byte_msgs)  / sizeof (const char *))
#endif /* (CONSTANTS & CONST_MSG) */

int print_msg (const unsigned char *msg) {
    int len = 0, i;
    if (msg[0] == EXTENDED_MESSAGE) {
	len = 3 + msg[1];
#if (CONSTANTS & CONST_MSG)
	printk("Extended Message code %s arguments ", 
	    (msg[2] < NO_EXTENDED_MESSAGES) ?
	    printk("%s " extended_msgs[msg[2]]),
	    reserved);
	for (i = 3; i < msg[1]; ++i) 
#else
	for (i = 0; i < msg[1]; ++i)
#endif
	    printk("%02x ", msg[i]);
    /* Identify */
    } else if (msg[0] & 0x80) {
#if (CONSTANTS & CONST_MSG)
	printk("Identify disconnect %sallowed %s %d ",
	    (msg[0] & 0x40) ? "" : "not ",
	    (msg[0] & 0x20) ? "target routine" : "lun",
	    msg[0] & 0x7);
#else
    printk("%02x ", msg[0]);
#endif
    len = 1;
    /* Normal One byte */
    } else if (msg[0] < 0x1f) {
#if (CONSTANTS & CONST_MSG)
	if (msg[0] < NO_ONE_BYTE_MSGS)
	    printk(one_byte_msgs[msg[0]]);
	else
	    printk("reserved (%02x) ", msg[0]);
#else
	printk("%02x ", msg[0]);
#endif
	len = 1;
    /* Two byte */
    } else if (msg[0] <= 0x2f) {
#if (CONSTANTS & CONST_MSG)
	if ((msg[0] - 0x20) < NO_TWO_BYTE_MESSAGES) 
	    printk("%s %02x ", two_byte_msgs[msg[0] - 0x20], 
		msg[1]);
	else 
	    printk("reserved two byte (%02x %02x) ", 
		msg[0], msg[1]);
#else
	printk("%02x %02x", msg[0], msg[1]);
#endif
	len = 2;
    } else 
#if (CONSTANTS & CONST_MSG)
	printk(reserved);
#else
	printk("%02x ", msg[0]);
#endif
    return len;
}