OpenSolaris_b135/lib/mpapi/libmpscsi_vhci/common/MP_GetAssociatedPathOidList.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 <syslog.h>
#include <errno.h>
#include <unistd.h>
#include <stropts.h>
#include "mp_utils.h"
#include <libdevinfo.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/stat.h>
static MP_STATUS doDevInfoStuffForIntPort(MP_OID oid)
{
di_node_t root_node = DI_NODE_NIL;
di_node_t vh_node = DI_NODE_NIL;
di_node_t ph_node = DI_NODE_NIL;
di_node_t sv_node = DI_NODE_NIL;
di_path_t path = DI_PATH_NIL;
struct stat buffer;
int instNum = 0;
int majorNum = 0;
int oidInstNum = 0;
int oidMajorNum = 0;
int found = 0;
int status = -1;
char *pathName = NULL;
char *minorName = "c";
char fullName[512];
log(LOG_INFO, "doDevInfoStuffForIntPort()", " - enter");
oidInstNum = (int)MP_GET_INST_FROM_ID(oid.objectSequenceNumber);
oidMajorNum = (int)MP_GET_MAJOR_FROM_ID(oid.objectSequenceNumber);
root_node = di_init("/", DINFOCACHE);
if (DI_NODE_NIL == root_node) {
log(LOG_INFO, "doDevInfoStuffForIntPort()",
" - di_init() failed");
return (MP_STATUS_FAILED);
}
vh_node = di_vhci_first_node(root_node);
while (DI_NODE_NIL != vh_node) {
if ((di_driver_name(vh_node) != NULL) &&
(strncmp(di_driver_name(vh_node), "scsi_vhci", 9) == 0)) {
ph_node = di_phci_first_node(vh_node);
while (DI_NODE_NIL != ph_node) {
instNum = di_instance(ph_node);
majorNum = di_driver_major(ph_node);
if ((majorNum == oidMajorNum) &&
(instNum == oidInstNum)) {
log(LOG_INFO,
"doDevInfoStuffForIntPort()",
"got a match");
found = 1;
break;
}
ph_node = di_phci_next_node(ph_node);
}
}
if (found) {
break;
}
vh_node = di_vhci_next_node(vh_node);
}
if (!found) {
di_fini(root_node);
log(LOG_INFO,
"doDevInfoStuffForIntPort()",
" - no match found, error exit");
return (MP_STATUS_OBJECT_NOT_FOUND);
}
path = di_path_next(ph_node, DI_PATH_NIL);
if (DI_PATH_NIL == path) {
log(LOG_INFO, "doDevInfoStuffForIntPort()",
" - path is DI_PATH_NIL");
}
while (DI_PATH_NIL != path) {
sv_node = di_path_client_node(path);
if (DI_NODE_NIL == sv_node) {
log(LOG_INFO, "doDevInfoStuffForIntPort()",
" - sv_node is DI_NODE_NIL");
} else {
pathName = di_devfs_path(sv_node);
(void) snprintf(fullName, 511, "/devices%s:%s",
pathName, minorName);
(void) di_devfs_path_free(pathName);
status = stat(fullName, &buffer);
if (status < 0) {
log(LOG_INFO,
"doDevInfoStuffForIntPort()",
" - stat() call failed: %d", status);
log(LOG_INFO,
"doDevInfoStuffForIntPort()",
" - errno: [%d].", errno);
log(LOG_INFO,
"doDevInfoStuffForIntPort()",
" - strerror(errno): [%s].",
strerror(errno));
di_fini(root_node);
log(LOG_INFO,
"doDevInfoStuffForIntPort()",
" - error exit.");
return (MP_STATUS_FAILED);
}
}
path = di_path_next(ph_node, path);
}
di_fini(root_node);
log(LOG_INFO, "doDevInfoStuffForIntPort()", " - exit");
return (MP_STATUS_SUCCESS);
}
static MP_STATUS doDevInfoStuffForTargetPort(MP_OID oid)
{
di_node_t root_node = DI_NODE_NIL;
di_node_t sv_node = DI_NODE_NIL;
di_node_t child_node = DI_NODE_NIL;
di_path_t path = DI_PATH_NIL;
int match = 0;
int count = 0;
int ioctlStatus = 0;
int status = -1;
struct stat buffer;
char *pathName = NULL;
char *minorName = "c";
char fullName[512];
uchar_t *targetPort = NULL;
mp_iocdata_t mp_ioctl;
mp_target_port_prop_t tpInfo;
MP_STATUS mpStatus = MP_STATUS_SUCCESS;
log(LOG_INFO, "doDevInfoStuffForTargetPort()", " - enter");
log(LOG_INFO, "doDevInfoStuffForTargetPort()",
"oid.objectSequenceNumber = %llx",
oid.objectSequenceNumber);
(void) memset(&mp_ioctl, 0, sizeof (mp_iocdata_t));
(void) memset(&tpInfo, 0, sizeof (mp_target_port_prop_t));
mp_ioctl.mp_cmd = MP_GET_TARGET_PORT_PROP;
mp_ioctl.mp_ibuf = (caddr_t)&oid.objectSequenceNumber;
mp_ioctl.mp_ilen = sizeof (oid.objectSequenceNumber);
mp_ioctl.mp_obuf = (caddr_t)&tpInfo;
mp_ioctl.mp_olen = sizeof (mp_target_port_prop_t);
mp_ioctl.mp_xfer = MP_XFER_READ;
log(LOG_INFO, "doDevInfoStuffForTargetPort()",
"mp_ioctl.mp_cmd (MP_GET_TARGET_PORT_PROP) : %d",
mp_ioctl.mp_cmd);
ioctlStatus = ioctl(g_scsi_vhci_fd, MP_CMD, &mp_ioctl);
log(LOG_INFO, "doDevInfoStuffForTargetPort()",
" IOCTL call returned: %d", ioctlStatus);
if (ioctlStatus < 0) {
ioctlStatus = errno;
}
if (ioctlStatus != 0) {
log(LOG_INFO, "doDevInfoStuffForTargetPort()",
"IOCTL call failed. IOCTL error is: %d",
ioctlStatus);
log(LOG_INFO, "doDevInfoStuffForTargetPort()",
"IOCTL call failed. IOCTL error is: %s",
strerror(ioctlStatus));
log(LOG_INFO, "doDevInfoStuffForTargetPort()",
"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, "doDevInfoStuffForTargetPort()",
" - error exit");
return (mpStatus);
}
root_node = di_init("/", DINFOCACHE);
if (DI_NODE_NIL == root_node) {
log(LOG_INFO, "doDevInfoStuffForTargetPort()",
" - di_init() failed");
return (MP_STATUS_FAILED);
}
sv_node = di_drv_first_node("scsi_vhci", root_node);
if (DI_NODE_NIL == sv_node) {
log(LOG_INFO, "doDevInfoStuffForTargetPort()",
" - di_drv_first_node() failed");
di_fini(root_node);
return (MP_STATUS_FAILED);
}
child_node = di_child_node(sv_node);
while (DI_NODE_NIL != child_node) {
path = di_path_next(child_node, path);
match = 0;
while (DI_PATH_NIL != path) {
count = di_path_prop_lookup_bytes(path,
"target-port",
&targetPort);
if (NULL != targetPort) {
if (0 == memcmp(targetPort,
tpInfo.portName,
count)) {
match = 1;
break;
}
}
path = di_path_next(child_node, path);
}
if (match) {
log(LOG_INFO, "doDevInfoStuffForTargetPort()",
" - got a match");
pathName = di_devfs_path(child_node);
(void) snprintf(fullName, 511, "/devices%s:%s",
pathName, minorName);
(void) di_devfs_path_free(pathName);
status = stat(fullName, &buffer);
if (status < 0) {
log(LOG_INFO,
"doDevInfoStuffForTargetPort()",
" - stat() call failed: %d", status);
log(LOG_INFO,
"doDevInfoStuffForTargetPort()",
" - errno: [%d].", errno);
log(LOG_INFO,
"doDevInfoStuffForTargetPort()",
" - strerror(errno): [%s].",
strerror(errno));
di_fini(root_node);
log(LOG_INFO,
"doDevInfoStuffForTargetPort()",
" - error exit.");
return (MP_STATUS_FAILED);
}
}
child_node = di_sibling_node(child_node);
}
di_fini(root_node);
log(LOG_INFO, "doDevInfoStuffForTargetPort()", " - exit");
return (MP_STATUS_SUCCESS);
}
MP_STATUS
MP_GetAssociatedPathOidList(MP_OID oid, MP_OID_LIST **ppList)
{
mp_iocdata_t mp_ioctl;
uint64_t *objList = NULL;
int numOBJ = 0;
int i = 0;
int ioctlStatus = 0;
MP_STATUS mpStatus = MP_STATUS_SUCCESS;
int request = MP_GET_PATH_LIST_FOR_MP_LU;
log(LOG_INFO, "MP_GetAssociatedPathOidList()", " - enter");
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
" set default request to MP_GET_PATH_LIST_FOR_MP_LU");
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"oid.objectSequenceNumber = %llx",
oid.objectSequenceNumber);
if (g_scsi_vhci_fd < 0) {
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"invalid driver file handle");
log(LOG_INFO, "MP_GetAssociatedPathOidList()", " - error exit");
return (MP_STATUS_FAILED);
}
if (MP_OBJECT_TYPE_INITIATOR_PORT == oid.objectType) {
request = MP_GET_PATH_LIST_FOR_INIT_PORT;
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
" set request to MP_GET_PATH_LIST_FOR_INIT_PORT");
mpStatus = doDevInfoStuffForIntPort(oid);
if (MP_STATUS_SUCCESS != mpStatus) {
return (mpStatus);
}
} else if (MP_OBJECT_TYPE_TARGET_PORT == oid.objectType) {
request = MP_GET_PATH_LIST_FOR_TARGET_PORT;
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
" set request to MP_GET_PATH_LIST_FOR_TARGET_PORT");
mpStatus = doDevInfoStuffForTargetPort(oid);
if (MP_STATUS_SUCCESS != mpStatus) {
return (mpStatus);
}
}
objList = (uint64_t *)calloc(1, DEFAULT_BUFFER_SIZE_PATH_LIST);
if (NULL == objList) {
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"no memory for objList(1)");
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
" - error exit");
return (MP_STATUS_INSUFFICIENT_MEMORY);
}
(void) memset(&mp_ioctl, 0, sizeof (mp_iocdata_t));
mp_ioctl.mp_cmd = request;
mp_ioctl.mp_ibuf = (caddr_t)&oid.objectSequenceNumber;
mp_ioctl.mp_ilen = sizeof (oid.objectSequenceNumber);
mp_ioctl.mp_obuf = (caddr_t)objList;
mp_ioctl.mp_olen = DEFAULT_BUFFER_SIZE_PATH_LIST;
mp_ioctl.mp_xfer = MP_XFER_READ;
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"mp_ioctl.mp_cmd : %d", mp_ioctl.mp_cmd);
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"mp_ioctl.mp_obuf: %x", mp_ioctl.mp_obuf);
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"mp_ioctl.mp_olen: %d", mp_ioctl.mp_olen);
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"mp_ioctl.mp_xfer: %d (MP_XFER_READ)",
mp_ioctl.mp_xfer);
ioctlStatus = ioctl(g_scsi_vhci_fd, MP_CMD, &mp_ioctl);
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"ioctl call returned ioctlStatus: %d",
ioctlStatus);
if (ioctlStatus < 0) {
ioctlStatus = errno;
}
if ((ioctlStatus != 0) && (MP_MORE_DATA != mp_ioctl.mp_errno)) {
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"IOCTL call failed. IOCTL error is: %d",
ioctlStatus);
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"IOCTL call failed. IOCTL error is: %s",
strerror(ioctlStatus));
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"IOCTL call failed. mp_ioctl.mp_errno: %x",
mp_ioctl.mp_errno);
free(objList);
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_GetAssociatedPathOidList()",
" - error exit");
return (mpStatus);
}
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
" - mp_ioctl.mp_alen : %d",
mp_ioctl.mp_alen);
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
" - sizeof (uint64_t): %d",
sizeof (uint64_t));
numOBJ = mp_ioctl.mp_alen / sizeof (uint64_t);
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"Length of list: %d", numOBJ);
if (numOBJ < 1) {
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"driver returned empty list.");
free(objList);
*ppList = createOidList(1);
if (NULL == *ppList) {
log(LOG_INFO,
"MP_GetAssociatedPathOidList()",
"no memory for MP_OID_LIST");
log(LOG_INFO,
"MP_GetAssociatedPathOidList()",
" - error exit");
return (MP_STATUS_INSUFFICIENT_MEMORY);
}
return (MP_STATUS_SUCCESS);
}
if (mp_ioctl.mp_alen > DEFAULT_BUFFER_SIZE_PATH_LIST) {
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"buffer size too small, need : %d",
mp_ioctl.mp_alen);
free(objList);
objList = (uint64_t *)calloc(1, numOBJ * sizeof (uint64_t));
if (NULL == objList) {
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"no memory for objList(2)");
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
" - error exit");
return (MP_STATUS_INSUFFICIENT_MEMORY);
}
(void) memset(&mp_ioctl, 0, sizeof (mp_iocdata_t));
mp_ioctl.mp_cmd = request;
mp_ioctl.mp_ibuf = (caddr_t)&oid.objectSequenceNumber;
mp_ioctl.mp_ilen = sizeof (oid.objectSequenceNumber);
mp_ioctl.mp_obuf = (caddr_t)objList;
mp_ioctl.mp_olen = numOBJ * sizeof (uint64_t);
mp_ioctl.mp_xfer = MP_XFER_READ;
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"mp_ioctl.mp_cmd : %d", mp_ioctl.mp_cmd);
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"mp_ioctl.mp_obuf: %x", mp_ioctl.mp_obuf);
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"mp_ioctl.mp_olen: %d", mp_ioctl.mp_olen);
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"mp_ioctl.mp_xfer: %d (MP_XFER_READ)",
mp_ioctl.mp_xfer);
ioctlStatus = ioctl(g_scsi_vhci_fd, MP_CMD, &mp_ioctl);
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"ioctl call returned ioctlStatus: %d",
ioctlStatus);
if (ioctlStatus < 0) {
ioctlStatus = errno;
}
if (ioctlStatus != 0) {
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"IOCTL call failed. IOCTL error is: %d",
ioctlStatus);
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"IOCTL call failed. IOCTL error is: %s",
strerror(ioctlStatus));
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"IOCTL call failed. mp_ioctl.mp_errno: %x",
mp_ioctl.mp_errno);
free(objList);
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_GetAssociatedPathOidList()",
" - error exit");
return (mpStatus);
}
}
*ppList = createOidList(numOBJ);
if (NULL == *ppList) {
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"no memory for *ppList");
free(objList);
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
" - error exit");
return (MP_STATUS_INSUFFICIENT_MEMORY);
}
(*ppList)->oidCount = numOBJ;
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"(*ppList)->oidCount = %d",
(*ppList)->oidCount);
for (i = 0; i < numOBJ; i++) {
(*ppList)->oids[i].objectType = MP_OBJECT_TYPE_PATH_LU;
(*ppList)->oids[i].ownerId = g_pluginOwnerID;
(*ppList)->oids[i].objectSequenceNumber = objList[i];
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"(*ppList)->oids[%d].objectType = %d",
i, (*ppList)->oids[i].objectType);
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"(*ppList)->oids[%d].ownerId = %d",
i, (*ppList)->oids[i].ownerId);
log(LOG_INFO, "MP_GetAssociatedPathOidList()",
"(*ppList)->oids[%d].objectSequenceNumber = %llx",
i, (*ppList)->oids[i].objectSequenceNumber);
}
free(objList);
log(LOG_INFO, "MP_GetAssociatedPathOidList()", " - exit");
return (MP_STATUS_SUCCESS);
}