if_snvar.h revision 121589 
1/*
2 * Copyright (c) 1999 M. Warner Losh <imp@village.org>
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 ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * $FreeBSD: head/sys/dev/sn/if_snvar.h 121589 2003-10-26 22:35:44Z imp $
26 */
27
28#ifndef _IF_SNVAR_H
29#define _IF_SNVAR_H
30
31#include <net/if_arp.h>
32
33/*
34 * Ethernet software status per interface.  The first element MUST
35 * be the arpcom struct since the address of the arpcom struct is
36 * used as a backdoor to obtain the address of this whole structure
37 * in many cases.
38 */
39struct sn_softc {
40	struct arpcom   arpcom;	/* Ethernet common part */
41	bus_space_tag_t	bst;
42	bus_space_handle_t bsh;
43	struct mtx sc_mtx;
44	int             pages_wanted;	/* Size of outstanding MMU ALLOC */
45	int             intr_mask;	/* Most recently set interrupt mask */
46	device_t	dev;
47	void		*intrhand;
48	struct resource *irq_res;
49	int		irq_rid;
50	struct resource	*port_res;
51	int		port_rid;
52	int		pccard_enaddr;	/* MAC address in pccard CIS tupple */
53};
54
55int	sn_probe(device_t, int);
56int	sn_attach(device_t);
57int	sn_detach(device_t);
58void	sn_intr(void *);
59
60int	sn_activate(device_t);
61void	sn_deactivate(device_t);
62
63#define CSR_READ_1(sc, off) (bus_space_read_1((sc)->bst, (sc)->bsh, off))
64#define CSR_READ_2(sc, off) (bus_space_read_2((sc)->bst, (sc)->bsh, off))
65#define CSR_WRITE_1(sc, off, val) \
66	bus_space_write_1(sc->bst, sc->bsh, off, val)
67#define CSR_WRITE_2(sc, off, val) \
68	bus_space_write_2(sc->bst, sc->bsh, off, val)
69#define CSR_WRITE_MULTI_1(sc, off, addr, count) \
70	bus_space_write_multi_1(sc->bst, sc->bsh, off, addr, count)
71#define CSR_WRITE_MULTI_2(sc, off, addr, count) \
72	bus_space_write_multi_2(sc->bst, sc->bsh, off, addr, count)
73#define CSR_READ_MULTI_1(sc, off, addr, count) \
74	bus_space_read_multi_1(sc->bst, sc->bsh, off, addr, count)
75#define CSR_READ_MULTI_2(sc, off, addr, count) \
76	bus_space_read_multi_2(sc->bst, sc->bsh, off, addr, count)
77
78#define SN_LOCK(_sc)		mtx_lock(&(_sc)->sc_mtx)
79#define	SN_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_mtx)
80#define SN_LOCK_INIT(_sc) \
81	mtx_init(&_sc->sc_mtx, device_get_nameunit(_sc->dev), \
82	    MTX_NETWORK_LOCK, MTX_DEF)
83#define SN_LOCK_DESTORY(_sc)	mtx_destroy(&_sc->sc_mtx);
84#define SN_ASSERT_LOCKED(_sc)	mtx_assert(&_sc->sc_mtx, MA_OWNED);
85#define SN_ASSERT_UNLOCKED(_sc)	mtx_assert(&_sc->sc_mtx, MA_NOTOWNED);
86
87#endif /* _IF_SNVAR_H */
88