1/*-
 2 * SPDX-License-Identifier: BSD-2-Clause
 3 *
 4 * Copyright (c) 2000 Peter Wemm <peter@FreeBSD.org>
 5 * All rights reserved.
 6 *
 7 * Redistribution and use in source and binary forms, with or without
 8 * modification, are permitted provided that the following conditions
 9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef _X86_LEGACYVAR_H_
30#define	_X86_LEGACYVAR_H_
31
32enum 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
42LEGACY_ACCESSOR(pcidomain,		PCIDOMAIN,	uint32_t)
43LEGACY_ACCESSOR(pcibus,			PCIBUS,		uint32_t)
44LEGACY_ACCESSOR(pcislot,		PCISLOT,	int)
45LEGACY_ACCESSOR(pcifunc,		PCIFUNC,	int)
46
47#undef LEGACY_ACCESSOR
48
49int	legacy_pcib_maxslots(device_t dev);
50uint32_t legacy_pcib_read_config(device_t dev, u_int bus, u_int slot,
51    u_int func, u_int reg, int bytes);
52int	legacy_pcib_read_ivar(device_t dev, device_t child, int which,
53    uintptr_t *result);
54void	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);
56int	legacy_pcib_write_ivar(device_t dev, device_t child, int which,
57    uintptr_t value);
58struct 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);
61int	legacy_pcib_adjust_resource(device_t dev, device_t child, int type,
62    struct resource *r, rman_res_t start, rman_res_t end);
63int	legacy_pcib_release_resource(device_t dev, device_t child, int type,
64    int rid, struct resource *r);
65int	legacy_pcib_alloc_msi(device_t pcib, device_t dev, int count,
66    int maxcount, int *irqs);
67int	legacy_pcib_alloc_msix(device_t pcib, device_t dev, int *irq);
68int	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_ */