xref: /titanic_44/usr/src/uts/i86pc/sys/apix_irm_impl.h (revision db8b037b5616a366b7dfdc01ef9552f02f9adfdd)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
24  */
25 
26 #ifndef	_APIX_IRM_IMPL_H
27 #define	_APIX_IRM_IMPL_H
28 
29 #include <sys/types.h>
30 #include <sys/ddi_intr_impl.h>
31 #include <sys/psm_types.h>
32 #include <sys/apix.h>
33 
34 #ifdef	__cplusplus
35 extern "C" {
36 #endif
37 
38 #define	APIX_IRM_DEBUG(args)	DDI_INTR_IRMDBG(args)
39 
40 typedef struct apix_irm_info {
41 	int	apix_ncpus;		/* # of available CPUs (boot time) */
42 	int	apix_per_cpu_vectors;	/* # of available vectors per CPU */
43 	int	apix_ioapic_max_vectors; /* max # of vectors used by IOAPICs */
44 	int	apix_vectors_allocated; /* # of vectors (pre) allocated */
45 } apix_irm_info_t;
46 
47 extern apix_irm_info_t apix_irminfo;
48 extern int apix_system_max_vectors;
49 extern int apix_irm_cpu_factor;
50 extern ddi_irm_pool_t *apix_irm_pool_p;
51 
52 #ifdef	__cplusplus
53 }
54 #endif
55 
56 #endif	/* _APIX_IRM_IMPL_H */
57