fascmd.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_FASCMD_H
#define _SYS_SCSI_ADAPTERS_FASCMD_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/isa_defs.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* The transport layer deals with things in terms of the following structure.
* Note that the target driver's view of things is the scsi_pkt that is
* enfolded as the first element of the following structure.
*
* the preferred the cdb size is 12. fas is a scsi2 HBA driver and
* rarely needs 16 byte cdb's
*/
/*
* preferred pkt_private length in 64-bit quantities
*/
#ifdef _LP64
#define PKT_PRIV_SIZE 2
#else /* _ILP32 */
#define PKT_PRIV_SIZE 1
#endif
#define EXTCMDS_STATUS_SIZE (sizeof (struct scsi_arq_status))
struct fas_cmd {
int cmd_pkt_flags; /* copy of pkt_flags */
struct scsi_arq_status cmd_scb;
};
/*
* private data for arq pkt
*/
struct arq_private_data {
struct buf *arq_save_bp;
struct fas_cmd *arq_save_sp;
};
/*
* A note about the cmd_cdb && cmd_scb structures:
*
* If the command allocation requested exceeds the size of CDB_SIZE,
* the cdb will be allocated outside this structure (via kmem_zalloc)
* The same applies to cmd_scb.
*/
/*
* These are the defined flags for this structure.
*/
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SCSI_ADAPTERS_FASCMD_H */