freebsd-skq/sys/dev/vnic/thunder_mdio_var.h
zbb af2b2e40e5 Support new MDIO hierarchy in ThunderX DTB
Some firmware revisions provide different DTB tree that include
odd MDIO placement in the tree.
This commit adds support for 2 new buses:
- MRML bridge (PCIB subordinate)
- MDIO nexus (MRML subordinate)
This allows for the correct MDIO attachment with both - new and old
firmware.

Obtained from: Semihalf
Sponsored by:  Cavium
Differential Revision: https://reviews.freebsd.org/D5070
2016-01-28 15:44:14 +00:00

65 lines
2.1 KiB
C

/*-
* Copyright (c) 2015 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Semihalf under
* the sponsorship of the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*
*/
#ifndef __THUNDER_MDIO_VAR_H__
#define __THUNDER_MDIO_VAR_H__
#define THUNDER_MDIO_DEVSTR "Cavium ThunderX SMI/MDIO driver"
MALLOC_DECLARE(M_THUNDER_MDIO);
DECLARE_CLASS(thunder_mdio_driver);
enum thunder_mdio_mode {
MODE_NONE = 0,
MODE_IEEE_C22,
MODE_IEEE_C45
};
struct phy_desc {
device_t miibus; /* One miibus per LMAC */
struct ifnet * ifp; /* Fake ifp to satisfy miibus */
int lmacid; /* ID number of LMAC connected */
TAILQ_ENTRY(phy_desc) phy_desc_list;
};
struct thunder_mdio_softc {
device_t dev;
struct mtx mtx;
struct resource * reg_base;
enum thunder_mdio_mode mode;
TAILQ_HEAD(,phy_desc) phy_desc_head;
};
int thunder_mdio_attach(device_t);
#endif