xref: /titanic_44/usr/src/uts/sun/sys/dada/dada_address.h (revision 01ef659d9b1ead333ef0adc346e7051f7eae7520)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef	_SYS_DADA_DADA_ADDRESS_H
27 #define	_SYS_DADA_DADA_ADDRESS_H
28 
29 #include <sys/dada/dada_types.h>
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 /*
36  * DADA address definition.
37  *
38  * 	A target driver instance controls a target/lun instance.
39  *	It sends the command to the device instance it controls.
40  *	In generic case HBA drive maintains the target/lun information
41  * 	in the cloned transport structure pointed to by a_hba_tran field.
42  *
43  */
44 struct	dcd_address {
45 	uchar_t			da_lun;		/* Not used. 		*/
46 	ushort_t		da_target;	/* The target identifier */
47 	struct dcd_hba_tran	*a_hba_tran; 	/* Transport vectors */
48 };
49 #ifdef	__cplusplus
50 }
51 #endif
52 
53 #endif	/* _SYS_DADA_DADA_ADDRESS_H */
54