espcmd.h revision 602ca9ea8f9ce0933f0944601cc5d230e91a950d
/*
* 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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_SCSI_ADAPTERS_ESPCMD_H
#define _SYS_SCSI_ADAPTERS_ESPCMD_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/isa_defs.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* preferred pkt_private length in 64-bit quantities
*/
#ifdef _LP64
#define PKT_PRIV_SIZE 2
#else /* _ILP32 */
#define PKT_PRIV_SIZE 1
#endif
/*
* define size of extended scsi cmd pkt (ie. includes ARQ)
*/
#define EXTCMDS_STATUS_SIZE (sizeof (struct scsi_arq_status))
/*
* esp_cmd is selectively zeroed. During packet allocation, some
* fields need zeroing, others will be initialized in esp_prepare_pkt()
*
* preferred cdb size is 12 since esp is a scsi2 HBA driver and rarely
* needs 16 byte CDBs
*/
struct esp_cmd {
/* the generic packet itself */
/* ... scsi_pkt_size() */
};
#define ESP_CMD_SIZE (sizeof (struct esp_cmd) - \
sizeof (struct scsi_pkt) + scsi_pkt_size())
/*
* These are the defined flags for this structure.
*/
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SCSI_ADAPTERS_ESPCMD_H */