xref: /titanic_41/usr/src/uts/i86pc/sys/xc_levels.h (revision c5024742c2f7d10880eae26cc592353b20a58f4a)
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) 1991-1993, Sun Microsystems,  Inc.
24  */
25 
26 #ifndef _SYS_XC_LEVELS_H
27 #define	_SYS_XC_LEVELS_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 /* Index for xc_mboxes at each level */
36 #define	X_CALL_LOPRI	0
37 #define	X_CALL_MEDPRI	1
38 #define	X_CALL_HIPRI	2
39 #define	X_CALL_LEVELS	(X_CALL_HIPRI - X_CALL_LOPRI + 1)
40 
41 /* PIL associated with each x-call level */
42 #define	XC_CPUPOKE_PIL	11	/* cpu poke priority x-calls */
43 #define	XC_LO_PIL	1	/* low priority x-calls */
44 #define	XC_MED_PIL	13	/* medium priority x-calls */
45 #define	XC_HI_PIL	15	/* high priority x-calls */
46 
47 #ifdef	__cplusplus
48 }
49 #endif
50 
51 #endif	/* _SYS_XC_LEVELS_H */
52