xref: /freebsd/sys/dev/vnic/thunder_mdio_var.h (revision f39bffc62c1395bde25d152c7f68fdf7cbaab414)
1 /*-
2  * Copyright (c) 2015 The FreeBSD Foundation
3  * All rights reserved.
4  *
5  * This software was developed by Semihalf under
6  * the sponsorship of the FreeBSD Foundation.
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  * $FreeBSD$
30  *
31  */
32 
33 #ifndef __THUNDER_MDIO_VAR_H__
34 #define	__THUNDER_MDIO_VAR_H__
35 
36 #define	THUNDER_MDIO_DEVSTR	"Cavium ThunderX SMI/MDIO driver"
37 MALLOC_DECLARE(M_THUNDER_MDIO);
38 DECLARE_CLASS(thunder_mdio_driver);
39 
40 enum thunder_mdio_mode {
41 	MODE_NONE = 0,
42 	MODE_IEEE_C22,
43 	MODE_IEEE_C45
44 };
45 
46 struct phy_desc {
47 	device_t		miibus; /* One miibus per LMAC */
48 	struct ifnet *		ifp;	/* Fake ifp to satisfy miibus */
49 	int			lmacid;	/* ID number of LMAC connected */
50 	TAILQ_ENTRY(phy_desc)	phy_desc_list;
51 };
52 
53 struct thunder_mdio_softc {
54 	device_t		dev;
55 	struct mtx		mtx;
56 	struct resource *	reg_base;
57 
58 	enum thunder_mdio_mode	mode;
59 
60 	TAILQ_HEAD(,phy_desc)	phy_desc_head;
61 };
62 
63 int thunder_mdio_attach(device_t);
64 #endif
65