usr/src/psm/promif/ieee1275/sun4/prom_sparc.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, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 1991-1993,2003 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include <sys/promif.h>
  30 #include <sys/promimpl.h>
  31
  32 /*
  33  * P1275 Client Interface Functions defined for SPARC.
  34  * This file belongs in a platform dependent area.
  35  */
  36
  37 /*
  38  * This function returns NULL or a a verified client interface structure
  39  * pointer to the caller.
  40  */
  41
  42 int (*cif_handler)(void *);
  43
  44 void *
  45 p1275_sparc_cif_init(void *cookie)
  46 {
  47         cif_handler = (int (*)(void *))cookie;
  48         return ((void *)cookie);
  49 }
  50
  51 int
  52 p1275_sparc_cif_handler(void *p)
  53 {
  54         int rv;
  55
  56         if (cif_handler == NULL)
  57                 return (-1);
  58
  59         rv = client_handler((void *)cif_handler, p);
  60         return (rv);
  61 }