diff options
Diffstat (limited to 'usr/src/lib/sun_sas/common/Sun_sasGetSASPhyAttributes.c')
-rw-r--r-- | usr/src/lib/sun_sas/common/Sun_sasGetSASPhyAttributes.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/usr/src/lib/sun_sas/common/Sun_sasGetSASPhyAttributes.c b/usr/src/lib/sun_sas/common/Sun_sasGetSASPhyAttributes.c new file mode 100644 index 0000000000..b4aceb9f50 --- /dev/null +++ b/usr/src/lib/sun_sas/common/Sun_sasGetSASPhyAttributes.c @@ -0,0 +1,99 @@ +/* + * 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 statistics for a specified port on an adapter + */ +HBA_STATUS Sun_sasGetSASPhyAttributes(HBA_HANDLE handle, + HBA_UINT32 port, HBA_UINT32 phy, SMHBA_SAS_PHY *pAttributes) +{ + const char ROUTINE[] = "Sun_sasGetSASPhyAttributes"; + HBA_STATUS status = HBA_STATUS_OK; + struct sun_sas_hba *hba_ptr; + struct sun_sas_port *hba_port_ptr; + struct phy_info *phy_ptr; + + /* Validate the arguments */ + if (pAttributes == NULL) { + log(LOG_DEBUG, ROUTINE, "NULL response buffer"); + return (HBA_STATUS_ERROR_ARG); + } + lock(&all_hbas_lock); + + if ((hba_ptr = Retrieve_Sun_sasHandle(handle)) == NULL) { + log(LOG_DEBUG, ROUTINE, "Invalid handle %08lx", handle); + 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(&all_hbas_lock); + return (status); + } + + for (hba_port_ptr = hba_ptr->first_port; + hba_port_ptr != NULL; + hba_port_ptr = hba_port_ptr->next) { + if (hba_port_ptr->index == port) { + break; + } + } + + if (hba_port_ptr == NULL) { + log(LOG_DEBUG, ROUTINE, "Invalid port index"); + unlock(&all_hbas_lock); + return (HBA_STATUS_ERROR_ILLEGAL_INDEX); + } + + /* match phy index. */ + if (phy >= hba_port_ptr->port_attributes.PortSpecificAttribute. + SASPort->NumberofPhys) { + log(LOG_DEBUG, ROUTINE, "Invalid phy index %d", phy); + unlock(&all_hbas_lock); + return (HBA_STATUS_ERROR_ILLEGAL_INDEX); + } else { + for (phy_ptr = hba_port_ptr->first_phy; phy_ptr != NULL; + phy_ptr = phy_ptr->next) { + if (phy == phy_ptr->index) { + (void) memset(pAttributes, 0, + sizeof (SMHBA_SAS_PHY)); + (void) memcpy(pAttributes, &phy_ptr->phy, + sizeof (SMHBA_SAS_PHY)); + unlock(&all_hbas_lock); + return (HBA_STATUS_OK); + } + } + } + + unlock(&all_hbas_lock); + log(LOG_DEBUG, ROUTINE, "Illegal phy index %d", phy); + return (HBA_STATUS_ERROR_ILLEGAL_INDEX); +} |