OpenSolaris_b135/lib/mpapi/libmpscsi_vhci/common/MP_GetMultipathLusDevProd.c
/*
* 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 <string.h>
#include <syslog.h>
#include <errno.h>
#include <unistd.h>
#include <stropts.h>
#include <libdevinfo.h>
#include "mp_utils.h"
static int getOidList(di_node_t root_node,
MP_OID_LIST *pOidList,
char *pProductID,
char *pVendorID)
{
int numNodes = 0;
int pidSize = 0;
int vidSize = 0;
int haveList = (NULL != pOidList);
char *pid = NULL;
char *vid = NULL;
di_node_t sv_node = DI_NODE_NIL;
di_node_t sv_child_node = DI_NODE_NIL;
MP_UINT64 nodeInstance = 0;
log(LOG_INFO, "getOidList()", " - enter");
sv_node = di_drv_first_node("scsi_vhci", root_node);
if (DI_NODE_NIL == sv_node) {
log(LOG_INFO, "getOidList()",
" - di_drv_first_node() failed");
return (-1);
}
sv_child_node = di_child_node(sv_node);
while (DI_NODE_NIL != sv_child_node) {
(void) di_prop_lookup_strings(DDI_DEV_T_ANY,
sv_child_node,
"inquiry-product-id",
&pid);
pidSize = strlen(pid);
(void) di_prop_lookup_strings(DDI_DEV_T_ANY,
sv_child_node,
"inquiry-vendor-id",
&vid);
vidSize = strlen(vid);
if ((0 == strncmp(pProductID, pid, pidSize)) &&
(0 == strncmp(pVendorID, vid, vidSize))) {
if (haveList) {
nodeInstance =
(MP_UINT64)
di_instance(sv_child_node);
if (numNodes < pOidList->oidCount) {
pOidList->oids[numNodes].
objectType =
MP_OBJECT_TYPE_MULTIPATH_LU;
pOidList->oids[numNodes].
ownerId =
g_pluginOwnerID;
pOidList->oids[numNodes].
objectSequenceNumber =
nodeInstance;
}
}
++numNodes;
}
sv_child_node = di_sibling_node(sv_child_node);
}
log(LOG_INFO,
"getOidList()",
" - numNodes: %d",
numNodes);
log(LOG_INFO, "getOidList()", " - exit");
return (numNodes);
}
MP_STATUS
MP_GetMultipathLusDevProd(MP_OID oid, MP_OID_LIST **ppList)
{
di_node_t root_node = DI_NODE_NIL;
MP_STATUS mpStatus = MP_STATUS_SUCCESS;
int numNodes = 0;
int ioctlStatus = 0;
int i = 0;
mp_iocdata_t mp_ioctl;
mp_dev_prod_prop_t devProdInfo;
char inqProductID[256];
char inqVendorID[256];
log(LOG_INFO, "MP_GetMultipathLusDevProd()", " - enter");
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
"oid.objectSequenceNumber = %llx",
oid.objectSequenceNumber);
if (g_scsi_vhci_fd < 0) {
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
"invalid driver file handle");
log(LOG_INFO, "MP_GetMultipathLusDevProd",
" - error exit");
return (MP_STATUS_FAILED);
}
(void) memset(&mp_ioctl, 0, sizeof (mp_iocdata_t));
(void) memset(&devProdInfo, 0, sizeof (mp_dev_prod_prop_t));
mp_ioctl.mp_cmd = MP_GET_DEV_PROD_PROP;
mp_ioctl.mp_ibuf = (caddr_t)&oid.objectSequenceNumber;
mp_ioctl.mp_ilen = sizeof (oid.objectSequenceNumber);
mp_ioctl.mp_obuf = (caddr_t)&devProdInfo;
mp_ioctl.mp_olen = sizeof (mp_dev_prod_prop_t);
mp_ioctl.mp_xfer = MP_XFER_READ;
ioctlStatus = ioctl(g_scsi_vhci_fd, MP_CMD, &mp_ioctl);
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
" IOCTL call returned: %d", ioctlStatus);
if (ioctlStatus < 0) {
ioctlStatus = errno;
}
if (ioctlStatus != 0) {
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
"IOCTL call failed. IOCTL error is: %d",
ioctlStatus);
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
"IOCTL call failed. IOCTL error is: %s",
strerror(ioctlStatus));
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
"IOCTL call failed. mp_ioctl.mp_errno: %x",
mp_ioctl.mp_errno);
if (ENOTSUP == ioctlStatus) {
mpStatus = MP_STATUS_UNSUPPORTED;
} else if (0 == mp_ioctl.mp_errno) {
mpStatus = MP_STATUS_FAILED;
} else {
mpStatus = getStatus4ErrorCode(mp_ioctl.mp_errno);
}
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
" - error exit");
return (mpStatus);
}
(void) strncpy(inqProductID,
devProdInfo.prodInfo.product,
sizeof (devProdInfo.prodInfo.product));
(void) strncpy(inqVendorID,
devProdInfo.prodInfo.vendor,
sizeof (devProdInfo.prodInfo.vendor));
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
" - inqProductID: [%s]", inqProductID);
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
" - inqVendorID: [%s]", inqVendorID);
root_node = di_init("/", DINFOCACHE);
if (DI_NODE_NIL == root_node) {
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
" - di_init() failed");
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
" - error exit");
return (MP_STATUS_FAILED);
}
numNodes = getOidList(root_node,
NULL,
inqProductID,
inqVendorID);
if (numNodes < 0) {
log(LOG_INFO,
"MP_GetMultipathLusDevProd()",
" - unable to get OID list.");
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
" - error exit");
di_fini(root_node);
return (MP_STATUS_FAILED);
}
if (0 == numNodes) {
*ppList = createOidList(1);
if (NULL == *ppList) {
log(LOG_INFO,
"MP_GetMultipathLusDevProd()",
" - unable to create OID list.");
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
" - error exit");
di_fini(root_node);
return (MP_STATUS_INSUFFICIENT_MEMORY);
}
(*ppList)->oids[0].objectType =
MP_OBJECT_TYPE_MULTIPATH_LU;
(*ppList)->oids[0].ownerId =
g_pluginOwnerID;
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
" - returning empty list.");
return (MP_STATUS_SUCCESS);
}
*ppList = createOidList(numNodes);
if (NULL == *ppList) {
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
"no memory for *ppList");
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
" - error exit");
return (MP_STATUS_INSUFFICIENT_MEMORY);
}
(*ppList)->oidCount = numNodes;
numNodes = getOidList(root_node,
*ppList,
inqProductID,
inqVendorID);
for (i = 0; i < (*ppList)->oidCount; i++) {
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
"(*ppList)->oids[%d].objectType = %d",
i, (*ppList)->oids[i].objectType);
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
"(*ppList)->oids[%d].ownerId = %d",
i, (*ppList)->oids[i].ownerId);
log(LOG_INFO, "MP_GetMultipathLusDevProd()",
"(*ppList)->oids[%d].objectSequenceNumber = %llx",
i, (*ppList)->oids[i].objectSequenceNumber);
}
di_fini(root_node);
log(LOG_INFO, "MP_GetMultipathLusDevProd()", " - exit");
return (MP_STATUS_SUCCESS);
}