module/zfs/spa_boot.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 #ifdef _KERNEL
  28
  29 #include <sys/zio.h>
  30 #include <sys/spa.h>
  31 #include <sys/sunddi.h>
  32
  33 char *
  34 spa_get_bootprop(char *propname)
  35 {
  36         char *value;
  37
  38         if (ddi_prop_lookup_string(DDI_DEV_T_ANY, ddi_root_node(),
  39             DDI_PROP_DONTPASS, propname, &value) != DDI_SUCCESS)
  40                 return (NULL);
  41         return (value);
  42 }
  43
  44 void
  45 spa_free_bootprop(char *value)
  46 {
  47         ddi_prop_free(value);
  48 }
  49
  50 #endif /* _KERNEL */