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      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 1986,2003 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #ifndef _SYS_SPL_H
     28 #define	_SYS_SPL_H
     29 
     30 #pragma ident	"%Z%%M%	%I%	%E% SMI" /* from SunOS psl.h 1.2 */
     31 
     32 #ifdef	__cplusplus
     33 extern "C" {
     34 #endif
     35 
     36 /*
     37  * v9 spl and ipl are identical since pil is a separate register.
     38  */
     39 #define	ipltospl(n)	(n)
     40 #define	spltoipl(n)	(n)
     41 
     42 /*
     43  * Hardware spl levels
     44  * XXX - This is a hack for softcall to block all i/o interrupts.
     45  * XXX - SPL5 and SPL3 are hacks for the latest zs code.
     46  * it should be replace by the appropriate interrupt class info.
     47  */
     48 #define	SPL8    15
     49 #define	SPL7    13
     50 #define	SPL5    12
     51 #define	SPLTTY  SPL5
     52 #define	SPL3    6
     53 
     54 #ifdef	__cplusplus
     55 }
     56 #endif
     57 
     58 #endif	/* _SYS_SPL_H */
     59