spl.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1992-1993,1999 by Sun Microsystems, Inc.
* All rights reserved.
*/
#ifndef _SYS_SPL_H
#define _SYS_SPL_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Convert system interrupt priorities (0-7) into a psr for splx.
* In general, the processor priority (0-15) should be 2 times
* the system pririty.
*/
#define pritospl(n) ((n) << 1)
/*
* on x86 platform these are identity functions
*/
#define ipltospl(n) (n)
#define spltoipl(n) (n)
#define spltopri(n) (n)
/*
* Hardware spl levels
* it should be replace by the appropriate interrupt class info.
*/
#define SPL8 15
#define SPL7 13
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SPL_H */