xref: /freebsd/sys/x86/include/legacyvar.h (revision 1f4bcc459a76b7aa664f3fd557684cd0ba6da352)
1 /*-
2  * Copyright (c) 2000 Peter Wemm <peter@FreeBSD.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  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef _X86_LEGACYVAR_H_
30 #define	_X86_LEGACYVAR_H_
31 
32 enum legacy_device_ivars {
33 	LEGACY_IVAR_PCIDOMAIN,
34 	LEGACY_IVAR_PCIBUS,
35 	LEGACY_IVAR_PCISLOT,
36 	LEGACY_IVAR_PCIFUNC
37 };
38 
39 #define LEGACY_ACCESSOR(var, ivar, type)				\
40     __BUS_ACCESSOR(legacy, var, LEGACY, ivar, type)
41 
42 LEGACY_ACCESSOR(pcidomain,		PCIDOMAIN,	uint32_t)
43 LEGACY_ACCESSOR(pcibus,			PCIBUS,		uint32_t)
44 LEGACY_ACCESSOR(pcislot,		PCISLOT,	int)
45 LEGACY_ACCESSOR(pcifunc,		PCIFUNC,	int)
46 
47 #undef LEGACY_ACCESSOR
48 
49 int	legacy_pcib_maxslots(device_t dev);
50 uint32_t legacy_pcib_read_config(device_t dev, u_int bus, u_int slot,
51     u_int func, u_int reg, int bytes);
52 int	legacy_pcib_read_ivar(device_t dev, device_t child, int which,
53     uintptr_t *result);
54 void	legacy_pcib_write_config(device_t dev, u_int bus, u_int slot,
55     u_int func, u_int reg, uint32_t data, int bytes);
56 int	legacy_pcib_write_ivar(device_t dev, device_t child, int which,
57     uintptr_t value);
58 struct resource *legacy_pcib_alloc_resource(device_t dev, device_t child,
59     int type, int *rid, rman_res_t start, rman_res_t end, rman_res_t count,
60     u_int flags);
61 int	legacy_pcib_adjust_resource(device_t dev, device_t child, int type,
62     struct resource *r, rman_res_t start, rman_res_t end);
63 int	legacy_pcib_release_resource(device_t dev, device_t child, int type,
64     int rid, struct resource *r);
65 int	legacy_pcib_alloc_msi(device_t pcib, device_t dev, int count,
66     int maxcount, int *irqs);
67 int	legacy_pcib_alloc_msix(device_t pcib, device_t dev, int *irq);
68 int	legacy_pcib_map_msi(device_t pcib, device_t dev, int irq,
69     uint64_t *addr, uint32_t *data);
70 
71 #endif /* !_X86_LEGACYVAR_H_ */
72