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