xref: /freebsd/sys/dev/bhnd/bhndb/bhndb_pcivar.h (revision 8a6eceff3ce76a4bb9078f3fa710f51ab6671ca3)
1 /*-
2  * Copyright (c) 2015 Landon Fuller <landon@landonf.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer,
10  *    without modification.
11  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13  *    redistribution must be conditioned upon including a substantially
14  *    similar Disclaimer requirement for further binary redistribution.
15  *
16  * NO WARRANTY
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
20  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
22  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
27  * THE POSSIBILITY OF SUCH DAMAGES.
28  *
29  * $FreeBSD$
30  */
31 
32 #ifndef _BHND_BHNDB_PCIVAR_H_
33 #define _BHND_BHNDB_PCIVAR_H_
34 
35 #include "bhndbvar.h"
36 
37 /*
38  * bhndb(4) PCI driver subclass.
39  */
40 
41 DECLARE_CLASS(bhndb_pci_driver);
42 
43 struct bhndb_pci_softc;
44 
45 /*
46  * An interconnect-specific function implementing BHNDB_SET_WINDOW_ADDR
47  */
48 typedef int (*bhndb_pci_set_regwin_t)(struct bhndb_pci_softc *sc,
49 	         const struct bhndb_regwin *rw, bhnd_addr_t addr);
50 
51 /* bhndb_pci interrupt state */
52 struct bhndb_pci_intr {
53 	int		msi_count;	/**< MSI count, or 0 */
54 	int		intr_rid;	/**< interrupt resource ID.*/
55 };
56 
57 struct bhndb_pci_softc {
58 	struct bhndb_softc	bhndb;		/**< parent softc */
59 	device_t		dev;		/**< bridge device */
60 	device_t		parent;		/**< parent PCI device */
61 	bhnd_devclass_t		pci_devclass;	/**< PCI core's devclass */
62 	struct bhndb_pci_intr	intr;		/**< PCI interrupt config */
63 
64 	bhndb_pci_set_regwin_t	set_regwin;	/**< regwin handler */
65 };
66 
67 #endif /* _BHND_BHNDB_PCIVAR_H_ */
68