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 (c) 1992-1993,1999 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26 
  27 #ifndef _SYS_SPL_H
  28 #define _SYS_SPL_H
  29 
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31 
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35 
  36 /*
  37  * Convert system interrupt priorities (0-7) into a psr for splx.
  38  * In general, the processor priority (0-15) should be 2 times
  39  * the system pririty.
  40  */
  41 #define pritospl(n)     ((n) << 1)
  42 
  43 /*
  44  * on x86 platform these are identity functions
  45  */
  46 #define ipltospl(n)     (n)
  47 #define spltoipl(n)     (n)
  48 #define spltopri(n)     (n)
  49 
  50 /*
  51  * Hardware spl levels
  52  * it should be replace by the appropriate interrupt class info.
  53  */
  54 #define SPL8    15
  55 #define SPL7    13
  56 
  57 #ifdef  __cplusplus
  58 }
  59 #endif
  60 
  61 #endif  /* _SYS_SPL_H */