xref: /freebsd/sys/dev/vnic/thunder_mdio_var.h (revision 59c8e88e72633afbc47a4ace0d2170d00d51f7dc)
1 /*-
2  * Copyright (c) 2015 The FreeBSD Foundation
3  *
4  * This software was developed by Semihalf under
5  * the sponsorship of the FreeBSD Foundation.
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 
30 #ifndef __THUNDER_MDIO_VAR_H__
31 #define	__THUNDER_MDIO_VAR_H__
32 
33 #define	THUNDER_MDIO_DEVSTR	"Cavium ThunderX SMI/MDIO driver"
34 MALLOC_DECLARE(M_THUNDER_MDIO);
35 DECLARE_CLASS(thunder_mdio_driver);
36 
37 enum thunder_mdio_mode {
38 	MODE_NONE = 0,
39 	MODE_IEEE_C22,
40 	MODE_IEEE_C45
41 };
42 
43 struct phy_desc {
44 	device_t		miibus; /* One miibus per LMAC */
45 	if_t 			ifp;	/* Fake ifp to satisfy miibus */
46 	int			lmacid;	/* ID number of LMAC connected */
47 	TAILQ_ENTRY(phy_desc)	phy_desc_list;
48 };
49 
50 struct thunder_mdio_softc {
51 	device_t		dev;
52 	struct mtx		mtx;
53 	struct resource *	reg_base;
54 
55 	enum thunder_mdio_mode	mode;
56 
57 	TAILQ_HEAD(,phy_desc)	phy_desc_head;
58 };
59 
60 int thunder_mdio_attach(device_t);
61 #endif
62