sun_sas/common/Sun_sasGetAdapterAttributes.c

	Sun_sasGetAdapterAttributes.c revision 9e86db79b7d1bbc5f2f04e99954cbd5eae0e22bb
/*
 * 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 attribues for an adapter
 */
HBA_STATUS
Sun_sasGetAdapterAttributes(HBA_HANDLE handle,
        PSMHBA_ADAPTERATTRIBUTES attributes) {
    const char      ROUTINE[] = "Sun_sasGetAdapterAttributes";
    struct sun_sas_hba  *hba_ptr;
    int             index = 0;

    if (attributes == NULL) {
        log(LOG_DEBUG, ROUTINE, "NULL attributes pointer");
        return (HBA_STATUS_ERROR_ARG);
    }

    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);
    }

    (void) memcpy(attributes, &hba_ptr->adapter_attributes,
        sizeof (SMHBA_ADAPTERATTRIBUTES));

    unlock(&open_handles_lock);
    unlock(&all_hbas_lock);

    return (HBA_STATUS_OK);
}