sense.h revision 30ab6db6f19a1f9cb466e0b45b221f6d19ca557c
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_SCSI_IMPL_SENSE_H
#define _SYS_SCSI_IMPL_SENSE_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* 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.
*/
/*
* Common sense length allocation sufficient for this implementation.
*/
#define SENSE_LENGTH \
(roundup(sizeof (struct scsi_extended_sense), sizeof (int)))
/*
* Per SPC-3 standard, the maximum length of sense data is 252 bytes.
*/
#define MAX_SENSE_LENGTH 252
/*
* Minimum useful Sense Length value
*/
#define SUN_MIN_SENSE_LENGTH 4
/*
* Specific variants to the Extended Sense structure.
*
* Defines for:
*
* 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
struct scsi_descr_template {
};
/*
* Function prototypes for descriptor-format sense data functions
*/
int descr_type);
/*
* Function prototypes for format-neutral sense data functions
*/
/*
* Return codes for scsi_validate_sense
*/
#define SENSE_UNUSABLE 0
#define SENSE_FIXED_FORMAT 1
#define SENSE_DESCR_FORMAT 2
/*
* Flags from scsi_validate_sense
*/
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SCSI_IMPL_SENSE_H */