/*
* 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);
}