status.h revision 0205780bc43902d17f94f07ceacb0cd8d5eab20f
/*
* 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
* or http://www.opensolaris.org/os/licensing.
* 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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_SCSI_GENERIC_STATUS_H
#define _SYS_SCSI_GENERIC_STATUS_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* SCSI status completion block
*
* The SCSI standard specifies one byte of status.
*/
/*
* The definition of of the Status block as a bitfield
*/
struct scsi_status {
#if defined(_BIT_FIELDS_LTOH)
uchar_t sts_vu0 : 1, /* vendor unique */
sts_chk : 1, /* check condition */
sts_cm : 1, /* condition met */
sts_busy : 1, /* device busy or reserved */
sts_is : 1, /* intermediate status sent */
sts_vu6 : 1, /* vendor unique */
sts_vu7 : 1, /* vendor unique */
sts_resvd : 1; /* reserved */
#elif defined(_BIT_FIELDS_HTOL)
uchar_t sts_resvd : 1, /* reserved */
sts_vu7 : 1, /* vendor unique */
sts_vu6 : 1, /* vendor unique */
sts_is : 1, /* intermediate status sent */
sts_busy : 1, /* device busy or reserved */
sts_cm : 1, /* condition met */
sts_chk : 1, /* check condition */
sts_vu0 : 1; /* vendor unique */
#else
#error One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
#endif /* _BIT_FIELDS_LTOH */
};
#define sts_scsi2 sts_vu6 /* SCSI modifier bit */
/*
* if auto request sense has been enabled, then use this structure
*/
struct scsi_arq_status {
struct scsi_status sts_status;
struct scsi_status sts_rqpkt_status;
uchar_t sts_rqpkt_reason; /* reason completion */
uchar_t sts_rqpkt_resid; /* residue */
uint_t sts_rqpkt_state; /* state of command */
uint_t sts_rqpkt_statistics; /* statistics */
struct scsi_extended_sense sts_sensedata;
};
#define SECMDS_STATUS_SIZE (sizeof (struct scsi_arq_status))
/*
* Bit Mask definitions, for use accessing the status as a byte.
*/
#define STATUS_MASK 0x3E
#define STATUS_GOOD 0x00
#define STATUS_CHECK 0x02
#define STATUS_MET 0x04
#define STATUS_BUSY 0x08
#define STATUS_INTERMEDIATE 0x10
#define STATUS_SCSI2 0x20
#define STATUS_INTERMEDIATE_MET 0x14
#define STATUS_RESERVATION_CONFLICT 0x18
#define STATUS_TERMINATED 0x22
#define STATUS_QFULL 0x28
#define STATUS_ACA_ACTIVE 0x30
#define STATUS_TASK_ABORT 0x40
#ifdef __cplusplus
}
#endif
/*
* Some deviations from the one byte of Status are known. Each
* implementation will define them specifically
*/
#include <sys/scsi/impl/status.h>
#endif /* _SYS_SCSI_GENERIC_STATUS_H */