pci_host_generic.h revision 299928 
1/*
2 * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
3 * Copyright (c) 2015 The FreeBSD Foundation
4 * All rights reserved.
5 *
6 * This software was developed by Semihalf.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 *
30 * $FreeBSD: head/sys/dev/pci/pci_host_generic.h 299928 2016-05-16 09:11:40Z andrew $
31 *
32 */
33
34#ifndef __PCI_HOST_GENERIC_H_
35#define	__PCI_HOST_GENERIC_H_
36
37#define	MAX_RANGES_TUPLES	16
38#define	MIN_RANGES_TUPLES	2
39
40struct pcie_range {
41	uint64_t	pci_base;
42	uint64_t	phys_base;
43	uint64_t	size;
44	uint64_t	flags;
45#define	FLAG_IO		(1 << 0)
46#define	FLAG_MEM	(1 << 1)
47};
48
49struct generic_pcie_softc {
50	struct pcie_range	ranges[MAX_RANGES_TUPLES];
51	int			nranges;
52	struct rman		mem_rman;
53	struct rman		io_rman;
54	struct resource		*res;
55	struct resource		*res1;
56	int			ecam;
57	bus_space_tag_t		bst;
58	bus_space_handle_t	bsh;
59	device_t		dev;
60	bus_space_handle_t	ioh;
61#ifdef FDT
62	struct ofw_bus_iinfo	pci_iinfo;
63	phandle_t		msi_parent;
64#endif
65};
66
67extern devclass_t generic_pcie_devclass;
68DECLARE_CLASS(generic_pcie_driver);
69
70struct resource *pci_host_generic_alloc_resource(device_t,
71    device_t, int, int *, rman_res_t, rman_res_t, rman_res_t, u_int);
72int pci_host_generic_attach(device_t);
73
74#endif /* __PCI_HOST_GENERIC_H_ */
75