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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1996-1998 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #ifndef _SYS_SCSI_SCSI_ADDRESS_H 28 #define _SYS_SCSI_SCSI_ADDRESS_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/scsi/scsi_types.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 /* 39 * SCSI address definition. 40 * 41 * A target driver instance controls a target/lun instance. 42 * It sends the command to the device instance it controls. 43 * In generic case HBA driver maintains the target/lun information 44 * in the cloned transport structure pointed to by a_hba_tran field. 45 * This is the only way SCSI-3 devices will work. 46 * 47 * a_target and a_lun fields are for compatibility with SCSI-2. 48 * They are not defined in SCSI-3 and target driver should use 49 * scsi_get_addr(9F) to get the target/lun information. 50 * 51 * a_sublun was never used and was never part of DDI (scsi_address(9S)). 52 */ 53 struct scsi_address { 54 struct scsi_hba_tran *a_hba_tran; /* Transport vectors */ 55 ushort_t a_target; /* Target identifier */ 56 uchar_t a_lun; /* Lun on that Target */ 57 uchar_t a_sublun; /* Sublun on that Lun */ 58 /* Not used */ 59 }; 60 61 #ifdef __cplusplus 62 } 63 #endif 64 65 #endif /* _SYS_SCSI_SCSI_ADDRESS_H */ 66