thunder_pcie_common.h revision 294991 
1/*-
2 * Copyright (c) 2015 The FreeBSD Foundation
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: head/sys/arm64/cavium/thunder_pcie_common.h 294991 2016-01-28 15:34:13Z zbb $
27 */
28
29#ifndef _CAVIUM_THUNDER_PCIE_COMMON_H_
30#define	_CAVIUM_THUNDER_PCIE_COMMON_H_
31
32#define	RANGES_TUPLES_MAX	6
33#define	RANGES_TUPLES_INVALID (RANGES_TUPLES_MAX + 1)
34
35DECLARE_CLASS(thunder_pcie_driver);
36
37struct pcie_range {
38	uint64_t	pci_base;
39	uint64_t	phys_base;
40	uint64_t	size;
41	uint64_t	flags;
42};
43
44struct thunder_pcie_softc {
45	struct pcie_range	ranges[RANGES_TUPLES_MAX];
46	struct rman		mem_rman;
47	struct resource		*res;
48	int			ecam;
49	device_t		dev;
50};
51
52uint32_t range_addr_is_pci(struct pcie_range *, uint64_t, uint64_t);
53uint32_t range_addr_is_phys(struct pcie_range *, uint64_t, uint64_t);
54uint64_t range_addr_pci_to_phys(struct pcie_range *, uint64_t);
55int thunder_common_alloc_msi(device_t, device_t, int, int, int *);
56int thunder_common_alloc_msix(device_t, device_t, int *);
57int thunder_common_map_msi(device_t, device_t, int, uint64_t *, uint32_t *);
58int thunder_common_release_msi(device_t, device_t, int, int *);
59int thunder_common_release_msix(device_t, device_t, int);
60
61int thunder_pcie_attach(device_t);
62
63#endif /* _CAVIUM_THUNDER_PCIE_COMMON_H_ */
64