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 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _HOSTBRIDGE_H
28 #define	_HOSTBRIDGE_H
29 
30 #include <libdevinfo.h>
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
36 #define	HB_ENUMR_VERS	1
37 
38 #define	MAX_HBS	255
39 
40 /*
41  * Solaris Drivers for hostbridge ASICs.
42  */
43 #define	SCHIZO		"pcisch"
44 #define	PSYCHO		"pcipsy"
45 #define	NPE		"npe"
46 #define	PCIEB		"pcieb"
47 #define	PCI_PCI		"pci_pci"
48 #define	PCI		"pci"
49 #define	PX		"px"
50 
51 /*
52  * These #defines are special values of bus and root complex instance
53  * numbers, used in calls to did_create().  They're here because it's
54  * the hostbridge enumerator that generally establishes the did_t values
55  * at the top level.
56  */
57 #define	TRUST_BDF	(-1)	/* Believe the bus value in the reg property */
58 #define	NO_RC		(-2)	/* Not a pci-express bus, so no root complex */
59 
60 /*
61  * PCI-express bridges to PCI, root complex instance is set to
62  * (instance of the PCI-express side root complex - TO_PCI)
63  */
64 #define	TO_PCI		(1000)
65 
66 extern tnode_t *pcihostbridge_declare(topo_mod_t *, tnode_t *, di_node_t,
67     topo_instance_t);
68 extern tnode_t *pciexhostbridge_declare(topo_mod_t *, tnode_t *, di_node_t,
69     topo_instance_t);
70 extern tnode_t *pciexrc_declare(topo_mod_t *, tnode_t *, di_node_t,
71     topo_instance_t);
72 
73 #ifdef __cplusplus
74 }
75 #endif
76 
77 #endif /* _HOSTBRIDGE_H */
78