pci: Enable PCIe memory mapped configuration again
[dragonfly.git] / sys / bus / pci / x86_64 / legacyvar.h
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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: src/sys/i386/include/legacyvar.h,v 1.8.8.1 2009/04/15 03:14:26 kensmith Exp $
27 */
28
29#ifndef _MACHINE_LEGACYVAR_H_
30#define _MACHINE_LEGACYVAR_H_
31
32enum legacy_device_ivars {
33 LEGACY_IVAR_PCIDOMAIN,
34 LEGACY_IVAR_PCIBUS
35};
36
37#define LEGACY_ACCESSOR(var, ivar, type) \
38 __BUS_ACCESSOR(legacy, var, LEGACY, ivar, type)
39
40LEGACY_ACCESSOR(pcidomain, PCIDOMAIN, uint32_t)
41LEGACY_ACCESSOR(pcibus, PCIBUS, uint32_t)
42
43#undef LEGACY_ACCESSOR
44
45int legacy_pcib_maxslots(device_t dev);
46uint32_t legacy_pcib_read_config(device_t dev, int bus, int slot, int func,
47 int reg, int bytes);
48int legacy_pcib_read_ivar(device_t dev, device_t child, int which,
49 uintptr_t *result);
50void legacy_pcib_write_config(device_t dev, int bus, int slot, int func,
51 int reg, u_int32_t data, int bytes);
52int legacy_pcib_write_ivar(device_t dev, device_t child, int which,
53 uintptr_t value);
54struct resource *legacy_pcib_alloc_resource(device_t dev, device_t child,
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55 int type, int *rid, u_long start, u_long end, u_long count, u_int flags,
56 int cpuid);
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57
58#endif /* !_MACHINE_LEGACYVAR_H_ */