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
33extern "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
66extern tnode_t *pcihostbridge_declare(topo_mod_t *, tnode_t *, di_node_t,
67    topo_instance_t);
68extern tnode_t *pciexhostbridge_declare(topo_mod_t *, tnode_t *, di_node_t,
69    topo_instance_t);
70extern 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