/*
* 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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sun_sas.h>
/*
* Retrieves the attributes for a specific discovered port by WWN
*/
HBA_STATUS
Sun_sasGetPortAttributesByWWN(HBA_HANDLE handle, HBA_WWN portWWN,
HBA_WWN domainPortWWN, PSMHBA_PORTATTRIBUTES attributes)
{
const char ROUTINE[] = "Sun_sasGetPortAttributesByWWN";
HBA_STATUS status;
struct sun_sas_hba *hba_ptr;
struct sun_sas_port *hba_port_ptr, *hba_disco_port;
int index, chkDomainPort = 0, domainFound = 0;
/* Validate the arguments */
if (attributes == NULL) {
log(LOG_DEBUG, ROUTINE, "NULL port attributes");
return (HBA_STATUS_ERROR_ARG);
}
if (wwnConversion(domainPortWWN.wwn) != 0) {
chkDomainPort = 1;
}
lock(&all_hbas_lock);
index = RetrieveIndex(handle);
lock(&open_handles_lock);
hba_ptr = RetrieveHandle(index);
if (hba_ptr == NULL) {
log(LOG_DEBUG, ROUTINE, "Invalid handle %08lx.", handle);
unlock(&open_handles_lock);
unlock(&all_hbas_lock);
return (HBA_STATUS_ERROR_INVALID_HANDLE);
}
/* Check for stale data */
status = verifyAdapter(hba_ptr);
if (status != HBA_STATUS_OK) {
log(LOG_DEBUG, ROUTINE, "Verify adapter failed");
unlock(&open_handles_lock);
unlock(&all_hbas_lock);
return (status);
}
if (hba_ptr->first_port == NULL) {
/* This is probably an internal failure of the library */
if (hba_ptr->device_path) {
log(LOG_DEBUG, ROUTINE,
"Internal failure: Adapter %s contains "
"no port data", hba_ptr->device_path);
} else {
log(LOG_DEBUG, ROUTINE,
"Internal failure: Adapter at index %d contains "
"no port data", hba_ptr->index);
}
unlock(&open_handles_lock);
unlock(&all_hbas_lock);
return (HBA_STATUS_ERROR);
}
/* Loop over all Adapter ports */
for (hba_port_ptr = hba_ptr->first_port;
hba_port_ptr != NULL;
hba_port_ptr = hba_port_ptr->next) {
if (chkDomainPort) {
if (validateDomainAddress(hba_port_ptr,
domainPortWWN) != HBA_STATUS_OK) {
continue;
} else
domainFound = 1;
}
if (wwnConversion(hba_port_ptr->port_attributes.
PortSpecificAttribute.SASPort->LocalSASAddress.wwn) ==
wwnConversion(portWWN.wwn)) {
/*
* We should indicate an error if we enter here
* without domainPortWWN set.
*/
if (chkDomainPort == 0) {
log(LOG_DEBUG, ROUTINE,
"Domain Port WWN should be set when "
"querying HBA port %016llx for "
"handle %08lx",
wwnConversion(portWWN.wwn), handle);
unlock(&open_handles_lock);
unlock(&all_hbas_lock);
return (HBA_STATUS_ERROR_ARG);
}
attributes->PortType =
hba_port_ptr->port_attributes.PortType;
attributes->PortState =
hba_port_ptr->port_attributes.PortState;
(void) strlcpy(attributes->OSDeviceName,
hba_port_ptr->port_attributes.OSDeviceName,
sizeof (attributes->OSDeviceName));
(void) memcpy(attributes->PortSpecificAttribute.SASPort,
hba_port_ptr->port_attributes.PortSpecificAttribute.
SASPort, sizeof (struct SMHBA_SAS_Port));
unlock(&open_handles_lock);
unlock(&all_hbas_lock);
return (HBA_STATUS_OK);
}
/* check to make sure there are devices attached to this port */
if (hba_port_ptr->first_attached_port != NULL) {
/* Loop over all discovered ports */
for (hba_disco_port = hba_port_ptr->first_attached_port;
hba_disco_port != NULL;
hba_disco_port = hba_disco_port->next) {
if (wwnConversion(hba_disco_port->
port_attributes.PortSpecificAttribute.
SASPort->LocalSASAddress.wwn) ==
wwnConversion(portWWN.wwn)) {
attributes->PortType =
hba_disco_port->port_attributes.
PortType;
attributes->PortState =
hba_disco_port->port_attributes.
PortState;
(void) strlcpy(attributes->OSDeviceName,
hba_disco_port->port_attributes.
OSDeviceName,
sizeof (attributes->OSDeviceName));
(void) memcpy(attributes->
PortSpecificAttribute.SASPort,
hba_disco_port->port_attributes.
PortSpecificAttribute.SASPort,
sizeof (struct SMHBA_SAS_Port));
unlock(&open_handles_lock);
unlock(&all_hbas_lock);
return (HBA_STATUS_OK);
}
}
}
if (chkDomainPort) {
log(LOG_DEBUG, ROUTINE,
"Invalid Port WWN %016llx for handle %08lx",
wwnConversion(portWWN.wwn), handle);
unlock(&open_handles_lock);
unlock(&all_hbas_lock);
return (HBA_STATUS_ERROR_ILLEGAL_WWN);
}
}
if (chkDomainPort && domainFound == 0) {
log(LOG_DEBUG, ROUTINE, "No Matching domain port"
" (%16llx) for port (%16llx) for handle %08lx",
wwnConversion(domainPortWWN.wwn),
wwnConversion(portWWN.wwn),
handle);
} else {
/* We enter here only when chkDomainPort == 0 */
log(LOG_DEBUG, ROUTINE,
"Invalid Port WWN %016llx for handle %08lx",
wwnConversion(portWWN.wwn), handle);
}
unlock(&open_handles_lock);
unlock(&all_hbas_lock);
return (HBA_STATUS_ERROR_ILLEGAL_WWN);
}