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seta75D 2e8a93c394 Init
2021-10-11 18:20:23 -03:00

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C

#ident "@(#)sense.h 1.1 92/07/30 SMI"
/*
* Copyright (c) 1988, 1989, 1990 by Sun Microsystems, Inc.
*/
#ifndef _scsi_impl_sense_h
#define _scsi_impl_sense_h
/*
* Implementation Variant defines
* for SCSI Sense Information
*/
/*
* These are 'pseudo' sense keys for common Sun implementation driver
* detected errors. Note that they start out as being higher than the
* legal key numbers for standard SCSI.
*/
#define SUN_KEY_FATAL 0x10 /* driver, scsi handshake failure */
#define SUN_KEY_TIMEOUT 0x11 /* driver, command timeout */
#define SUN_KEY_EOF 0x12 /* driver, eof hit */
#define SUN_KEY_EOT 0x13 /* driver, eot hit */
#define SUN_KEY_LENGTH 0x14 /* driver, length error */
#define SUN_KEY_BOT 0x15 /* driver, bot hit */
#define SUN_KEY_WRONGMEDIA 0x16 /* driver, wrong tape media */
#define NUM_IMPL_SENSE_KEYS 7 /* seven extra keys */
/*
* Common sense length allocation sufficient for this implementation.
*/
#define SENSE_LENGTH \
(roundup(sizeof (struct scsi_extended_sense), sizeof (long)))
/*
* Minimum useful Sense Length value
*/
#define SUN_MIN_SENSE_LENGTH 4
/*
* Specific variants to the Extended Sense structure.
*
* Defines for:
* Emulex MD21 SCSI/ESDI Controller
* Emulex MT02 SCSI/QIC-36 Controller.
*
* 1) The Emulex controllers put error class and error code into the byte
* right after the 'additional sense length' field in Extended Sense.
*
* 2) Except that some people state that this isn't so for the MD21- only
* the MT02.
*/
#define emulex_ercl_ercd es_cmd_info[0]
/*
* 2) These are valid on Extended Sense for the MD21, FORMAT command only:
*/
#define emulex_cyl_msb es_info_1
#define emulex_cyl_lsb es_info_2
#define emulex_head_num es_info_3
#define emulex_sect_num es_info_4
#endif /* !_scsi_impl_sense_h */