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 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 /*
27 * Generic Abort, Reset and Misc Routines
28 */
29
30 #include <sys/scsi/scsi.h>
31
32
33 #define A_TO_TRAN(ap) (ap->a_hba_tran)
34
35 int
scsi_abort(struct scsi_address * ap,struct scsi_pkt * pkt)36 scsi_abort(struct scsi_address *ap, struct scsi_pkt *pkt)
37 {
38 return (*A_TO_TRAN(ap)->tran_abort)(ap, pkt);
39 }
40
41 int
scsi_reset(struct scsi_address * ap,int level)42 scsi_reset(struct scsi_address *ap, int level)
43 {
44 ASSERT((level == RESET_LUN) || (level == RESET_TARGET) ||
45 (level == RESET_ALL));
46 if ((level == RESET_LUN) &&
47 ((*A_TO_TRAN(ap)->tran_getcap)(ap, "lun-reset", 1) != 1)) {
48 return (0);
49 }
50 if ((A_TO_TRAN(ap)->tran_reset) == NULL) {
51 return (0);
52 }
53 return (*A_TO_TRAN(ap)->tran_reset)(ap, level);
54 }
55
56 int
scsi_reset_notify(struct scsi_address * ap,int flag,void (* callback)(caddr_t),caddr_t arg)57 scsi_reset_notify(struct scsi_address *ap, int flag,
58 void (*callback)(caddr_t), caddr_t arg)
59 {
60 if ((A_TO_TRAN(ap)->tran_reset_notify) == NULL) {
61 return (DDI_FAILURE);
62 }
63 return (*A_TO_TRAN(ap)->tran_reset_notify)(ap, flag, callback, arg);
64 }
65
66 int
scsi_clear_task_set(struct scsi_address * ap)67 scsi_clear_task_set(struct scsi_address *ap)
68 {
69 if ((A_TO_TRAN(ap)->tran_clear_task_set) == NULL) {
70 return (-1);
71 }
72 return (*A_TO_TRAN(ap)->tran_clear_task_set)(ap);
73 }
74
75 int
scsi_terminate_task(struct scsi_address * ap,struct scsi_pkt * pkt)76 scsi_terminate_task(struct scsi_address *ap, struct scsi_pkt *pkt)
77 {
78 if ((A_TO_TRAN(ap)->tran_terminate_task) == NULL) {
79 return (-1);
80 }
81 return (*A_TO_TRAN(ap)->tran_terminate_task)(ap, pkt);
82 }
83
84 /*
85 * Other Misc Routines
86 */
87
88 int
scsi_clear_aca(struct scsi_address * ap)89 scsi_clear_aca(struct scsi_address *ap)
90 {
91 if ((A_TO_TRAN(ap)->tran_clear_aca) == NULL) {
92 return (-1);
93 }
94 return (*A_TO_TRAN(ap)->tran_clear_aca)(ap);
95 }
96