aiclib.c

一个2.4.21版本的嵌入式linux内核

			"Asynchronous information protection error detected") },
/* DTLPWRSOMCAE */{SST(0x47, 0x05, SS_RDEF|SSQ_FALLBACK,
			"Protocol server CRC error") },
/* DTLPWRSOMCAE */{SST(0x48, 0x00, SS_RDEF|SSQ_FALLBACK,
			"Initiator detected error message received") },
/* DTLPWRSOMCAE */{SST(0x49, 0x00, SS_RDEF,
			"Invalid message error") },
/* DTLPWRSOMCAE */{SST(0x4A, 0x00, SS_RDEF,
			"Command phase error") },
/* DTLPWRSOMCAE */{SST(0x4B, 0x00, SS_RDEF,
			"Data phase error") },
/* DTLPWRSOMCAE */{SST(0x4C, 0x00, SS_RDEF,
			"Logical unit failed self-configuration") },
/* DTLPWRSOMCAE */{SST(0x4D, 0x00, SS_RDEF,
			"Tagged overlapped commands: ASCQ = Queue tag ID") },
/* DTLPWRSOMCAE */{SST(0x4D, 0xFF, SS_RDEF|SSQ_RANGE,
			NULL)}, /* Range 0x00->0xFF */
/* DTLPWRSOMCAE */{SST(0x4E, 0x00, SS_RDEF,
			"Overlapped commands attempted") },
/*  T           */{SST(0x50, 0x00, SS_RDEF,
			"Write append error") },
/*  T           */{SST(0x50, 0x01, SS_RDEF,
			"Write append position error") },
/*  T           */{SST(0x50, 0x02, SS_RDEF,
			"Position error related to timing") },
/*  T     O     */{SST(0x51, 0x00, SS_RDEF,
			"Erase failure") },
/*  T           */{SST(0x52, 0x00, SS_RDEF,
			"Cartridge fault") },
/* DTL WRSOM    */{SST(0x53, 0x00, SS_RDEF,
			"Media load or eject failed") },
/*  T           */{SST(0x53, 0x01, SS_RDEF,
			"Unload tape failure") },
/* DT  WR OM    */{SST(0x53, 0x02, SS_RDEF,
			"Medium removal prevented") },
/*    P         */{SST(0x54, 0x00, SS_RDEF,
			"Scsi to host system interface failure") },
/*    P         */{SST(0x55, 0x00, SS_RDEF,
			"System resource failure") },
/* D      O     */{SST(0x55, 0x01, SS_FATAL|ENOSPC,
			"System buffer full") },
/*      R       */{SST(0x57, 0x00, SS_RDEF,
			"Unable to recover table-of-contents") },
/*        O     */{SST(0x58, 0x00, SS_RDEF,
			"Generation does not exist") },
/*        O     */{SST(0x59, 0x00, SS_RDEF,
			"Updated block read") },
/* DTLPWRSOM    */{SST(0x5A, 0x00, SS_RDEF,
			"Operator request or state change input") },
/* DT  WR OM    */{SST(0x5A, 0x01, SS_RDEF,
			"Operator medium removal request") },
/* DT  W  O     */{SST(0x5A, 0x02, SS_RDEF,
			"Operator selected write protect") },
/* DT  W  O     */{SST(0x5A, 0x03, SS_RDEF,
			"Operator selected write permit") },
/* DTLPWRSOM    */{SST(0x5B, 0x00, SS_RDEF,
			"Log exception") },
/* DTLPWRSOM    */{SST(0x5B, 0x01, SS_RDEF,
			"Threshold condition met") },
/* DTLPWRSOM    */{SST(0x5B, 0x02, SS_RDEF,
			"Log counter at maximum") },
/* DTLPWRSOM    */{SST(0x5B, 0x03, SS_RDEF,
			"Log list codes exhausted") },
/* D      O     */{SST(0x5C, 0x00, SS_RDEF,
			"RPL status change") },
/* D      O     */{SST(0x5C, 0x01, SS_NOP|SSQ_PRINT_SENSE,
			"Spindles synchronized") },
/* D      O     */{SST(0x5C, 0x02, SS_RDEF,
			"Spindles not synchronized") },
/* DTLPWRSOMCAE */{SST(0x5D, 0x00, SS_RDEF,
			"Failure prediction threshold exceeded") },
/* DTLPWRSOMCAE */{SST(0x5D, 0xFF, SS_RDEF,
			"Failure prediction threshold exceeded (false)") },
/* DTLPWRSO CA  */{SST(0x5E, 0x00, SS_RDEF,
			"Low power condition on") },
/* DTLPWRSO CA  */{SST(0x5E, 0x01, SS_RDEF,
			"Idle condition activated by timer") },
/* DTLPWRSO CA  */{SST(0x5E, 0x02, SS_RDEF,
			"Standby condition activated by timer") },
/* DTLPWRSO CA  */{SST(0x5E, 0x03, SS_RDEF,
			"Idle condition activated by command") },
/* DTLPWRSO CA  */{SST(0x5E, 0x04, SS_RDEF,
			"Standby condition activated by command") },
/*       S      */{SST(0x60, 0x00, SS_RDEF,
			"Lamp failure") },
/*       S      */{SST(0x61, 0x00, SS_RDEF,
			"Video acquisition error") },
/*       S      */{SST(0x61, 0x01, SS_RDEF,
			"Unable to acquire video") },
/*       S      */{SST(0x61, 0x02, SS_RDEF,
			"Out of focus") },
/*       S      */{SST(0x62, 0x00, SS_RDEF,
			"Scan head positioning error") },
/*      R       */{SST(0x63, 0x00, SS_RDEF,
			"End of user area encountered on this track") },
/*      R       */{SST(0x63, 0x01, SS_FATAL|ENOSPC,
			"Packet does not fit in available space") },
/*      R       */{SST(0x64, 0x00, SS_RDEF,
			"Illegal mode for this track") },
/*      R       */{SST(0x64, 0x01, SS_RDEF,
			"Invalid packet size") },
/* DTLPWRSOMCAE */{SST(0x65, 0x00, SS_RDEF,
			"Voltage fault") },
/*       S      */{SST(0x66, 0x00, SS_RDEF,
			"Automatic document feeder cover up") },
/*       S      */{SST(0x66, 0x01, SS_RDEF,
			"Automatic document feeder lift up") },
/*       S      */{SST(0x66, 0x02, SS_RDEF,
			"Document jam in automatic document feeder") },
/*       S      */{SST(0x66, 0x03, SS_RDEF,
			"Document miss feed automatic in document feeder") },
/*           A  */{SST(0x67, 0x00, SS_RDEF,
			"Configuration failure") },
/*           A  */{SST(0x67, 0x01, SS_RDEF,
			"Configuration of incapable logical units failed") },
/*           A  */{SST(0x67, 0x02, SS_RDEF,
			"Add logical unit failed") },
/*           A  */{SST(0x67, 0x03, SS_RDEF,
			"Modification of logical unit failed") },
/*           A  */{SST(0x67, 0x04, SS_RDEF,
			"Exchange of logical unit failed") },
/*           A  */{SST(0x67, 0x05, SS_RDEF,
			"Remove of logical unit failed") },
/*           A  */{SST(0x67, 0x06, SS_RDEF,
			"Attachment of logical unit failed") },
/*           A  */{SST(0x67, 0x07, SS_RDEF,
			"Creation of logical unit failed") },
/*           A  */{SST(0x68, 0x00, SS_RDEF,
			"Logical unit not configured") },
/*           A  */{SST(0x69, 0x00, SS_RDEF,
			"Data loss on logical unit") },
/*           A  */{SST(0x69, 0x01, SS_RDEF,
			"Multiple logical unit failures") },
/*           A  */{SST(0x69, 0x02, SS_RDEF,
			"Parity/data mismatch") },
/*           A  */{SST(0x6A, 0x00, SS_RDEF,
			"Informational, refer to log") },
/*           A  */{SST(0x6B, 0x00, SS_RDEF,
			"State change has occurred") },
/*           A  */{SST(0x6B, 0x01, SS_RDEF,
			"Redundancy level got better") },
/*           A  */{SST(0x6B, 0x02, SS_RDEF,
			"Redundancy level got worse") },
/*           A  */{SST(0x6C, 0x00, SS_RDEF,
			"Rebuild failure occurred") },
/*           A  */{SST(0x6D, 0x00, SS_RDEF,
			"Recalculate failure occurred") },
/*           A  */{SST(0x6E, 0x00, SS_RDEF,
			"Command to logical unit failed") },
/*  T           */{SST(0x70, 0x00, SS_RDEF,
			"Decompression exception short: ASCQ = Algorithm ID") },
/*  T           */{SST(0x70, 0xFF, SS_RDEF|SSQ_RANGE,
			NULL) }, /* Range 0x00 -> 0xFF */
/*  T           */{SST(0x71, 0x00, SS_RDEF,
			"Decompression exception long: ASCQ = Algorithm ID") },
/*  T           */{SST(0x71, 0xFF, SS_RDEF|SSQ_RANGE,
			NULL) }, /* Range 0x00 -> 0xFF */	
/*      R       */{SST(0x72, 0x00, SS_RDEF,
			"Session fixation error") },
/*      R       */{SST(0x72, 0x01, SS_RDEF,
			"Session fixation error writing lead-in") },
/*      R       */{SST(0x72, 0x02, SS_RDEF,
			"Session fixation error writing lead-out") },
/*      R       */{SST(0x72, 0x03, SS_RDEF,
			"Session fixation error - incomplete track in session") },
/*      R       */{SST(0x72, 0x04, SS_RDEF,
			"Empty or partially written reserved track") },
/*      R       */{SST(0x73, 0x00, SS_RDEF,
			"CD control error") },
/*      R       */{SST(0x73, 0x01, SS_RDEF,
			"Power calibration area almost full") },
/*      R       */{SST(0x73, 0x02, SS_FATAL|ENOSPC,
			"Power calibration area is full") },
/*      R       */{SST(0x73, 0x03, SS_RDEF,
			"Power calibration area error") },
/*      R       */{SST(0x73, 0x04, SS_RDEF,
			"Program memory area update failure") },
/*      R       */{SST(0x73, 0x05, SS_RDEF,
			"program memory area is full") }
};

static const int asc_table_size = sizeof(asc_table)/sizeof(asc_table[0]);

struct asc_key
{
	int asc;
	int ascq;
};

static int
ascentrycomp(const void *key, const void *member)
{
	int asc;
	int ascq;
	const struct asc_table_entry *table_entry;

	asc = ((const struct asc_key *)key)->asc;
	ascq = ((const struct asc_key *)key)->ascq;
	table_entry = (const struct asc_table_entry *)member;

	if (asc >= table_entry->asc) {

		if (asc > table_entry->asc)
			return (1);

		if (ascq <= table_entry->ascq) {
			/* Check for ranges */
			if (ascq == table_entry->ascq
		 	 || ((table_entry->action & SSQ_RANGE) != 0
		  	   && ascq >= (table_entry - 1)->ascq))
				return (0);
			return (-1);
		}
		return (1);
	}
	return (-1);
}

static int
senseentrycomp(const void *key, const void *member)
{
	int sense_key;
	const struct sense_key_table_entry *table_entry;

	sense_key = *((const int *)key);
	table_entry = (const struct sense_key_table_entry *)member;

	if (sense_key >= table_entry->sense_key) {
		if (sense_key == table_entry->sense_key)
			return (0);
		return (1);
	}
	return (-1);
}

static void
fetchtableentries(int sense_key, int asc, int ascq,
		  struct scsi_inquiry_data *inq_data,
		  const struct sense_key_table_entry **sense_entry,
		  const struct asc_table_entry **asc_entry)
{
	void *match;
	const struct asc_table_entry *asc_tables[2];
	const struct sense_key_table_entry *sense_tables[2];
	struct asc_key asc_ascq;
	size_t asc_tables_size[2];
	size_t sense_tables_size[2];
	int num_asc_tables;
	int num_sense_tables;
	int i;

	/* Default to failure */
	*sense_entry = NULL;
	*asc_entry = NULL;
	match = NULL;
	if (inq_data != NULL)
		match = cam_quirkmatch((void *)inq_data,
				       (void *)sense_quirk_table,
				       sense_quirk_table_size,
				       sizeof(*sense_quirk_table),
				       aic_inquiry_match);

	if (match != NULL) {
		struct scsi_sense_quirk_entry *quirk;

		quirk = (struct scsi_sense_quirk_entry *)match;
		asc_tables[0] = quirk->asc_info;
		asc_tables_size[0] = quirk->num_ascs;
		asc_tables[1] = asc_table;
		asc_tables_size[1] = asc_table_size;
		num_asc_tables = 2;
		sense_tables[0] = quirk->sense_key_info;
		sense_tables_size[0] = quirk->num_sense_keys;
		sense_tables[1] = sense_key_table;
		sense_tables_size[1] = sense_key_table_size;
		num_sense_tables = 2;
	} else {
		asc_tables[0] = asc_table;
		asc_tables_size[0] = asc_table_size;
		num_asc_tables = 1;
		sense_tables[0] = sense_key_table;
		sense_tables_size[0] = sense_key_table_size;
		num_sense_tables = 1;
	}

	asc_ascq.asc = asc;
	asc_ascq.ascq = ascq;
	for (i = 0; i < num_asc_tables; i++) {
		void *found_entry;

		found_entry = scsibsearch(&asc_ascq, asc_tables[i],
					  asc_tables_size[i],
					  sizeof(**asc_tables),
					  ascentrycomp);

		if (found_entry) {
			*asc_entry = (struct asc_table_entry *)found_entry;
			break;
		}
	}

	for (i = 0; i < num_sense_tables; i++) {
		void *found_entry;

		found_entry = scsibsearch(&sense_key, sense_tables[i],
					  sense_tables_size[i],
					  sizeof(**sense_tables),
					  senseentrycomp);

		if (found_entry) {
			*sense_entry =
			    (struct sense_key_table_entry *)found_entry;
			break;
		}
	}
}

static void *
scsibsearch(const void *key, const void *base, size_t nmemb, size_t size,
		 int (*compar)(const void *, const void *))
{
	const void *entry;
	u_int l;
	u_int u;
	u_int m;

	l = -1;
	u = nmemb;
	while (l + 1 != u) {
		m = (l + u) / 2;
		entry = base + m * size;
		if (compar(key, entry) > 0)
			l = m;
		else