usr/src/lib/sun_sas/common/Sun_sasGetAdapterAttributes.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #include    <sun_sas.h>
  28 /*
  29  * Retrieves the attribues for an adapter
  30  */
  31 HBA_STATUS
  32 Sun_sasGetAdapterAttributes(HBA_HANDLE handle,
  33             PSMHBA_ADAPTERATTRIBUTES attributes) {
  34         const char              ROUTINE[] = "Sun_sasGetAdapterAttributes";
  35         struct sun_sas_hba      *hba_ptr;
  36         int                     index = 0;
  37
  38         if (attributes == NULL) {
  39             log(LOG_DEBUG, ROUTINE, "NULL attributes pointer");
  40             return (HBA_STATUS_ERROR_ARG);
  41         }
  42
  43         lock(&all_hbas_lock);
  44         index = RetrieveIndex(handle);
  45         lock(&open_handles_lock);
  46         hba_ptr = RetrieveHandle(index);
  47         if (hba_ptr == NULL) {
  48             log(LOG_DEBUG, ROUTINE,
  49                 "Invalid handle %08lx", handle);
  50             unlock(&open_handles_lock);
  51             unlock(&all_hbas_lock);
  52             return (HBA_STATUS_ERROR_INVALID_HANDLE);
  53         }
  54
  55         (void) memcpy(attributes, &hba_ptr->adapter_attributes,
  56             sizeof (SMHBA_ADAPTERATTRIBUTES));
  57
  58         unlock(&open_handles_lock);
  59         unlock(&all_hbas_lock);
  60
  61         return (HBA_STATUS_OK);
  62 }