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 27 #include <syslog.h> 28 #include <errno.h> 29 #include <unistd.h> 30 #include <stropts.h> 31 32 #include "mp_utils.h" 33 34 35 /* 36 * Called by the common layer to request to enable a path 37 */ 38 39 MP_STATUS 40 MP_EnablePath(MP_OID oid) 41 { 42 mp_iocdata_t mp_ioctl; 43 44 int ioctlStatus = 0; 45 46 MP_STATUS mpStatus = MP_STATUS_SUCCESS; 47 48 49 50 log(LOG_INFO, "MP_EnablePath()", " - enter"); 51 52 53 log(LOG_INFO, "MP_EnablePath()", 54 "oid.objectSequenceNumber = %llx", 55 oid.objectSequenceNumber); 56 57 if (g_scsi_vhci_fd < 0) { 58 log(LOG_INFO, "MP_EnablePath()", 59 "invalid driver file handle"); 60 log(LOG_INFO, "MP_EnablePath()", " - error exit"); 61 return (MP_STATUS_FAILED); 62 } 63 64 (void) memset(&mp_ioctl, 0, sizeof (mp_iocdata_t)); 65 66 mp_ioctl.mp_cmd = MP_ENABLE_PATH; 67 mp_ioctl.mp_ibuf = (caddr_t)&oid.objectSequenceNumber; 68 mp_ioctl.mp_ilen = sizeof (oid.objectSequenceNumber); 69 mp_ioctl.mp_xfer = MP_XFER_WRITE; 70 71 log(LOG_INFO, "MP_EnablePath()", 72 "mp_ioctl.mp_cmd (MP_ENABLE_PATH) : %d", 73 mp_ioctl.mp_cmd); 74 75 ioctlStatus = ioctl(g_scsi_vhci_fd, MP_CMD, &mp_ioctl); 76 77 log(LOG_INFO, "MP_EnablePath()", 78 " IOCTL call returned: %d", ioctlStatus); 79 80 if (ioctlStatus < 0) { 81 ioctlStatus = errno; 82 } 83 84 if (ioctlStatus != 0) { 85 log(LOG_INFO, "MP_EnablePath()", 86 "IOCTL call failed. IOCTL error is: %d", 87 ioctlStatus); 88 log(LOG_INFO, "MP_EnablePath()", 89 "IOCTL call failed. IOCTL error is: %s", 90 strerror(ioctlStatus)); 91 log(LOG_INFO, "MP_EnablePath()", 92 "IOCTL call failed. mp_ioctl.mp_errno: %x", 93 mp_ioctl.mp_errno); 94 95 if (ENOTSUP == ioctlStatus) { 96 mpStatus = MP_STATUS_UNSUPPORTED; 97 } else if (0 == mp_ioctl.mp_errno) { 98 mpStatus = MP_STATUS_FAILED; 99 } else { 100 mpStatus = getStatus4ErrorCode(mp_ioctl.mp_errno); 101 } 102 103 log(LOG_INFO, "MP_EnablePath()", 104 " - error exit"); 105 106 return (mpStatus); 107 } 108 109 110 log(LOG_INFO, "MP_EnablePath()", " - exit"); 111 112 return (MP_STATUS_SUCCESS); 113 } 114