19e86db79SHyon Kim /*
29e86db79SHyon Kim  * CDDL HEADER START
39e86db79SHyon Kim  *
49e86db79SHyon Kim  * The contents of this file are subject to the terms of the
59e86db79SHyon Kim  * Common Development and Distribution License (the "License").
69e86db79SHyon Kim  * You may not use this file except in compliance with the License.
79e86db79SHyon Kim  *
89e86db79SHyon Kim  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
99e86db79SHyon Kim  * or http://www.opensolaris.org/os/licensing.
109e86db79SHyon Kim  * See the License for the specific language governing permissions
119e86db79SHyon Kim  * and limitations under the License.
129e86db79SHyon Kim  *
139e86db79SHyon Kim  * When distributing Covered Code, include this CDDL HEADER in each
149e86db79SHyon Kim  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
159e86db79SHyon Kim  * If applicable, add the following below this CDDL HEADER, with the
169e86db79SHyon Kim  * fields enclosed by brackets "[]" replaced with your own identifying
179e86db79SHyon Kim  * information: Portions Copyright [yyyy] [name of copyright owner]
189e86db79SHyon Kim  *
199e86db79SHyon Kim  * CDDL HEADER END
209e86db79SHyon Kim  */
219e86db79SHyon Kim 
229e86db79SHyon Kim /*
239e86db79SHyon Kim  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
249e86db79SHyon Kim  * Use is subject to license terms.
259e86db79SHyon Kim  */
26*00f453f4SRob Johnston /*
27*00f453f4SRob Johnston  * Copyright 2019 Joyent, Inc.
28*00f453f4SRob Johnston  */
299e86db79SHyon Kim 
309e86db79SHyon Kim #include    <sun_sas.h>
319e86db79SHyon Kim 
329e86db79SHyon Kim /*
339e86db79SHyon Kim  * Retrieves the attributes for a specific discovered port by WWN
349e86db79SHyon Kim  */
359e86db79SHyon Kim HBA_STATUS
Sun_sasGetPortAttributesByWWN(HBA_HANDLE handle,HBA_WWN portWWN,HBA_WWN domainPortWWN,PSMHBA_PORTATTRIBUTES attributes)369e86db79SHyon Kim Sun_sasGetPortAttributesByWWN(HBA_HANDLE handle, HBA_WWN portWWN,
379e86db79SHyon Kim     HBA_WWN domainPortWWN, PSMHBA_PORTATTRIBUTES attributes)
389e86db79SHyon Kim {
399e86db79SHyon Kim 	const char		ROUTINE[] = "Sun_sasGetPortAttributesByWWN";
409e86db79SHyon Kim 	HBA_STATUS		status;
419e86db79SHyon Kim 	struct sun_sas_hba	*hba_ptr;
429e86db79SHyon Kim 	struct sun_sas_port	*hba_port_ptr, *hba_disco_port;
439e86db79SHyon Kim 	int			index, chkDomainPort = 0, domainFound = 0;
449e86db79SHyon Kim 
459e86db79SHyon Kim 	/* Validate the arguments */
469e86db79SHyon Kim 	if (attributes == NULL) {
479e86db79SHyon Kim 		log(LOG_DEBUG, ROUTINE, "NULL port attributes");
489e86db79SHyon Kim 		return (HBA_STATUS_ERROR_ARG);
499e86db79SHyon Kim 	}
509e86db79SHyon Kim 
519e86db79SHyon Kim 	if (wwnConversion(domainPortWWN.wwn) != 0) {
529e86db79SHyon Kim 		chkDomainPort = 1;
539e86db79SHyon Kim 	}
549e86db79SHyon Kim 
559e86db79SHyon Kim 	lock(&all_hbas_lock);
569e86db79SHyon Kim 	index = RetrieveIndex(handle);
579e86db79SHyon Kim 	lock(&open_handles_lock);
589e86db79SHyon Kim 	hba_ptr = RetrieveHandle(index);
599e86db79SHyon Kim 	if (hba_ptr == NULL) {
609e86db79SHyon Kim 		log(LOG_DEBUG, ROUTINE, "Invalid handle %08lx.", handle);
619e86db79SHyon Kim 		unlock(&open_handles_lock);
629e86db79SHyon Kim 		unlock(&all_hbas_lock);
639e86db79SHyon Kim 		return (HBA_STATUS_ERROR_INVALID_HANDLE);
649e86db79SHyon Kim 	}
659e86db79SHyon Kim 
669e86db79SHyon Kim 	/* Check for stale data */
679e86db79SHyon Kim 	status = verifyAdapter(hba_ptr);
689e86db79SHyon Kim 	if (status != HBA_STATUS_OK) {
699e86db79SHyon Kim 		log(LOG_DEBUG, ROUTINE, "Verify adapter failed");
709e86db79SHyon Kim 		unlock(&open_handles_lock);
719e86db79SHyon Kim 		unlock(&all_hbas_lock);
729e86db79SHyon Kim 		return (status);
739e86db79SHyon Kim 	}
749e86db79SHyon Kim 
759e86db79SHyon Kim 	if (hba_ptr->first_port == NULL) {
76*00f453f4SRob Johnston 		/* This is probably an internal failure of the library */
77*00f453f4SRob Johnston 		if (hba_ptr->device_path[0] != '\0') {
789e86db79SHyon Kim 			log(LOG_DEBUG, ROUTINE,
799e86db79SHyon Kim 			    "Internal failure:  Adapter %s contains "
809e86db79SHyon Kim 			    "no port data", hba_ptr->device_path);
819e86db79SHyon Kim 		} else {
829e86db79SHyon Kim 			log(LOG_DEBUG, ROUTINE,
839e86db79SHyon Kim 			    "Internal failure:  Adapter at index %d contains "
849e86db79SHyon Kim 			    "no port data", hba_ptr->index);
859e86db79SHyon Kim 		}
869e86db79SHyon Kim 		unlock(&open_handles_lock);
879e86db79SHyon Kim 		unlock(&all_hbas_lock);
889e86db79SHyon Kim 		return (HBA_STATUS_ERROR);
899e86db79SHyon Kim 	}
909e86db79SHyon Kim 
919e86db79SHyon Kim 	/* Loop over all Adapter ports */
929e86db79SHyon Kim 	for (hba_port_ptr = hba_ptr->first_port;
939e86db79SHyon Kim 	    hba_port_ptr != NULL;
949e86db79SHyon Kim 	    hba_port_ptr = hba_port_ptr->next) {
959e86db79SHyon Kim 		if (chkDomainPort) {
969e86db79SHyon Kim 			if (validateDomainAddress(hba_port_ptr,
979e86db79SHyon Kim 			    domainPortWWN) != HBA_STATUS_OK) {
989e86db79SHyon Kim 				continue;
999e86db79SHyon Kim 			} else
1009e86db79SHyon Kim 				domainFound = 1;
1019e86db79SHyon Kim 		}
1029e86db79SHyon Kim 
1039e86db79SHyon Kim 		if (wwnConversion(hba_port_ptr->port_attributes.
1049e86db79SHyon Kim 		    PortSpecificAttribute.SASPort->LocalSASAddress.wwn) ==
1059e86db79SHyon Kim 		    wwnConversion(portWWN.wwn)) {
1069e86db79SHyon Kim 			/*
1079e86db79SHyon Kim 			 * We should indicate an error if we enter here
1089e86db79SHyon Kim 			 * without domainPortWWN set.
1099e86db79SHyon Kim 			 */
1109e86db79SHyon Kim 			if (chkDomainPort == 0) {
1119e86db79SHyon Kim 				log(LOG_DEBUG, ROUTINE,
1129e86db79SHyon Kim 				    "Domain Port WWN should be set when "
1139e86db79SHyon Kim 				    "querying HBA port %016llx for "
1149e86db79SHyon Kim 				    "handle %08lx",
1159e86db79SHyon Kim 				    wwnConversion(portWWN.wwn), handle);
1169e86db79SHyon Kim 				unlock(&open_handles_lock);
1179e86db79SHyon Kim 				unlock(&all_hbas_lock);
1189e86db79SHyon Kim 				return (HBA_STATUS_ERROR_ARG);
1199e86db79SHyon Kim 			}
1209e86db79SHyon Kim 			attributes->PortType =
1219e86db79SHyon Kim 			    hba_port_ptr->port_attributes.PortType;
1229e86db79SHyon Kim 			attributes->PortState =
1239e86db79SHyon Kim 			    hba_port_ptr->port_attributes.PortState;
1249e86db79SHyon Kim 			(void) strlcpy(attributes->OSDeviceName,
1259e86db79SHyon Kim 			    hba_port_ptr->port_attributes.OSDeviceName,
1269e86db79SHyon Kim 			    sizeof (attributes->OSDeviceName));
1279e86db79SHyon Kim 			(void) memcpy(attributes->PortSpecificAttribute.SASPort,
1289e86db79SHyon Kim 			    hba_port_ptr->port_attributes.PortSpecificAttribute.
1299e86db79SHyon Kim 			    SASPort, sizeof (struct SMHBA_SAS_Port));
1309e86db79SHyon Kim 
1319e86db79SHyon Kim 			unlock(&open_handles_lock);
1329e86db79SHyon Kim 			unlock(&all_hbas_lock);
1339e86db79SHyon Kim 			return (HBA_STATUS_OK);
1349e86db79SHyon Kim 		}
1359e86db79SHyon Kim 
1369e86db79SHyon Kim 		/* check to make sure there are devices attached to this port */
1379e86db79SHyon Kim 		if (hba_port_ptr->first_attached_port != NULL) {
1389e86db79SHyon Kim 
1399e86db79SHyon Kim 			/* Loop over all discovered ports */
1409e86db79SHyon Kim 			for (hba_disco_port = hba_port_ptr->first_attached_port;
1419e86db79SHyon Kim 			    hba_disco_port != NULL;
1429e86db79SHyon Kim 			    hba_disco_port = hba_disco_port->next) {
1439e86db79SHyon Kim 				if (wwnConversion(hba_disco_port->
1449e86db79SHyon Kim 				    port_attributes.PortSpecificAttribute.
1459e86db79SHyon Kim 				    SASPort->LocalSASAddress.wwn) ==
1469e86db79SHyon Kim 				    wwnConversion(portWWN.wwn)) {
1479e86db79SHyon Kim 					attributes->PortType =
1489e86db79SHyon Kim 					    hba_disco_port->port_attributes.
1499e86db79SHyon Kim 					    PortType;
1509e86db79SHyon Kim 					attributes->PortState =
1519e86db79SHyon Kim 					    hba_disco_port->port_attributes.
1529e86db79SHyon Kim 					    PortState;
1539e86db79SHyon Kim 					(void) strlcpy(attributes->OSDeviceName,
1549e86db79SHyon Kim 					    hba_disco_port->port_attributes.
1559e86db79SHyon Kim 					    OSDeviceName,
1569e86db79SHyon Kim 					    sizeof (attributes->OSDeviceName));
1579e86db79SHyon Kim 					(void) memcpy(attributes->
1589e86db79SHyon Kim 					    PortSpecificAttribute.SASPort,
1599e86db79SHyon Kim 					    hba_disco_port->port_attributes.
1609e86db79SHyon Kim 					    PortSpecificAttribute.SASPort,
1619e86db79SHyon Kim 					    sizeof (struct SMHBA_SAS_Port));
1629e86db79SHyon Kim 					unlock(&open_handles_lock);
1639e86db79SHyon Kim 					unlock(&all_hbas_lock);
1649e86db79SHyon Kim 					return (HBA_STATUS_OK);
1659e86db79SHyon Kim 				}
1669e86db79SHyon Kim 			}
1679e86db79SHyon Kim 		}
1689e86db79SHyon Kim 		if (chkDomainPort) {
1699e86db79SHyon Kim 			log(LOG_DEBUG, ROUTINE,
1709e86db79SHyon Kim 			    "Invalid Port WWN %016llx for handle %08lx",
1719e86db79SHyon Kim 			    wwnConversion(portWWN.wwn), handle);
1729e86db79SHyon Kim 			unlock(&open_handles_lock);
1739e86db79SHyon Kim 			unlock(&all_hbas_lock);
1749e86db79SHyon Kim 			return (HBA_STATUS_ERROR_ILLEGAL_WWN);
1759e86db79SHyon Kim 		}
1769e86db79SHyon Kim 	}
1779e86db79SHyon Kim 	if (chkDomainPort && domainFound == 0) {
1789e86db79SHyon Kim 		log(LOG_DEBUG, ROUTINE, "No Matching domain port"
1799e86db79SHyon Kim 		    " (%16llx) for port (%16llx) for handle %08lx",
1809e86db79SHyon Kim 		    wwnConversion(domainPortWWN.wwn),
1819e86db79SHyon Kim 		    wwnConversion(portWWN.wwn),
1829e86db79SHyon Kim 		    handle);
1839e86db79SHyon Kim 	} else {
1849e86db79SHyon Kim 		/* We enter here only when chkDomainPort == 0 */
1859e86db79SHyon Kim 		log(LOG_DEBUG, ROUTINE,
1869e86db79SHyon Kim 		    "Invalid Port WWN %016llx for handle %08lx",
1879e86db79SHyon Kim 		    wwnConversion(portWWN.wwn), handle);
1889e86db79SHyon Kim 	}
1899e86db79SHyon Kim 	unlock(&open_handles_lock);
1909e86db79SHyon Kim 	unlock(&all_hbas_lock);
1919e86db79SHyon Kim 	return (HBA_STATUS_ERROR_ILLEGAL_WWN);
1929e86db79SHyon Kim }
193