text: /*
   * 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
   * or http://www.opensolaris.org/os/licensing.
   * 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.
   */
  
  #include <syslog.h>
  #include <errno.h>
  #include <unistd.h>
  #include <stropts.h>
  #include <sys/scsi/impl/uscsi.h>
  
  #include "mp_utils.h"
  
  
  /*
   *	Called by the common layer to request to steer a path
   */
  
  MP_STATUS
  Sun_MP_SendScsiCmd(MP_OID pathOid, struct uscsi_cmd *cmd)
  {
  	mp_iocdata_t mp_ioctl;
  
  	int ioctlStatus = 0;
  
  	MP_STATUS mpStatus = MP_STATUS_SUCCESS;
  
  	log(LOG_INFO, "Sun_MP_SendScsiCmd()", " - enter");
  
  	log(LOG_INFO, "Sun_MP_SendScsiCmd()",
  		"pathOid.objectSequenceNumber = %llx",
  		pathOid.objectSequenceNumber);
  
  	if (g_scsi_vhci_fd < 0) {
  		log(LOG_INFO, "Sun_MP_SendScsiCmd()",
  		    "invalid driver file handle");
  		log(LOG_INFO, "Sun_MP_SendScsiCmd()", " - error exit");
  		return (MP_STATUS_FAILED);
  	}
  
  	(void) memset(&mp_ioctl, 0, sizeof (mp_iocdata_t));
  
  	mp_ioctl.mp_cmd  = MP_SEND_SCSI_CMD;
  	mp_ioctl.mp_ibuf = (caddr_t)&pathOid.objectSequenceNumber;
  	mp_ioctl.mp_ilen = sizeof (pathOid.objectSequenceNumber);
  	mp_ioctl.mp_xfer =
  	    ((cmd->uscsi_flags & USCSI_READ) ? MP_XFER_READ : MP_XFER_WRITE);
  	mp_ioctl.mp_obuf = (char *)cmd;
  	mp_ioctl.mp_olen = sizeof (*cmd);
  
  	log(LOG_INFO, "Sun_MP_SendScsiCmd()",
  		"mp_ioctl.mp_cmd (MP_SEND_SCSI_CMD) : %d",
  		mp_ioctl.mp_cmd);
  
  	ioctlStatus = ioctl(g_scsi_vhci_fd, MP_CMD, &mp_ioctl);
  
  	log(LOG_INFO, "Sun_MP_SendScsiCmd()",
  		" IOCTL call returned: %d", ioctlStatus);
  
  	if (ioctlStatus < 0) {
  		ioctlStatus = errno;
  	}
  
  	if (ioctlStatus != 0) {
  		log(LOG_INFO, "Sun_MP_SendScsiCmd()",
  		    "IOCTL call failed.  IOCTL error is: %d",
  			ioctlStatus);
  		log(LOG_INFO, "Sun_MP_SendScsiCmd()",
  		    "IOCTL call failed.  IOCTL error is: %s",
  			strerror(ioctlStatus));
  		log(LOG_INFO, "Sun_MP_SendScsiCmd()",
  		    "IOCTL call failed.  mp_ioctl.mp_errno: %x",
  			mp_ioctl.mp_errno);
  
  		if (ENOTSUP == ioctlStatus) {
  			mpStatus = MP_STATUS_UNSUPPORTED;
  		} else if (EPERM == ioctlStatus) {
  			mpStatus = MP_STATUS_NOT_PERMITTED;
  		} else if (0 == mp_ioctl.mp_errno) {
  			mpStatus = MP_STATUS_FAILED;
  		} else {
  			mpStatus = getStatus4ErrorCode(mp_ioctl.mp_errno);
  		}
  
  		log(LOG_INFO, "Sun_MP_SendScsiCmd()",
  			" - error exit");
  
  		return (mpStatus);
  	}
  
  
  	log(LOG_INFO, "Sun_MP_SendScsiCmd()", " - exit");
  
  	return (MP_STATUS_SUCCESS);
  }
  