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 2006 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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <libdevinfo.h>
33 
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37 
38 #define	HB_ENUMR_VERS	1
39 
40 #define	MAX_HBS	255
41 
42 /*
43  * Solaris Drivers for hostbridge ASICs.
44  */
45 #define	SCHIZO		"pcisch"
46 #define	PSYCHO		"pcipsy"
47 #define	NPE		"npe"
48 #define	PCIE_PCI	"pcie_pci"
49 #define	PCI_PCI		"pci_pci"
50 #define	PCI		"pci"
51 #define	PX		"px"
52 
53 /*
54  * These #defines are special values of bus and root complex instance
55  * numbers, used in calls to did_create().  They're here because it's
56  * the hostbridge enumerator that generally establishes the did_t values
57  * at the top level.
58  */
59 #define	TRUST_BDF	(-1)	/* Believe the bus value in the reg property */
60 #define	NO_RC		(-2)	/* Not a pci-express bus, so no root complex */
61 
62 /*
63  * PCI-express bridges to PCI, root complex instance is set to
64  * (instance of the PCI-express side root complex - TO_PCI)
65  */
66 #define	TO_PCI		(1000)
67 
68 extern tnode_t *pcihostbridge_declare(topo_mod_t *, tnode_t *, di_node_t,
69     topo_instance_t);
70 extern tnode_t *pciexhostbridge_declare(topo_mod_t *, tnode_t *, di_node_t,
71     topo_instance_t);
72 extern tnode_t *pciexrc_declare(topo_mod_t *, tnode_t *, di_node_t,
73     topo_instance_t);
74 
75 #ifdef __cplusplus
76 }
77 #endif
78 
79 #endif /* _HOSTBRIDGE_H */
80