FreeBSD/Linux Kernel Cross Reference
sys/dev/sn/if_snvar.h

     /*-
      * Copyright (c) 1999 M. Warner Losh <imp@village.org> 
      * All rights reserved.
      *
      * 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 ``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 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: releng/8.3/sys/dev/sn/if_snvar.h 226921 2011-10-30 01:13:47Z marius $
     */
    
    #ifndef _IF_SNVAR_H
    #define _IF_SNVAR_H
    
    #include <net/if_arp.h>
    
    struct sn_softc {
            struct ifnet    *ifp;
            bus_space_tag_t bst;
            bus_space_handle_t bsh;
            struct mtx sc_mtx;
            struct callout watchdog;
            int             timer;
            int             pages_wanted;   /* Size of outstanding MMU ALLOC */
            int             intr_mask;      /* Most recently set interrupt mask */
            device_t        dev;
            void            *intrhand;
            struct resource *irq_res;
            int             irq_rid;
            struct resource *port_res;
            int             port_rid;
            struct resource *modem_res;     /* Extra resource for modem */
            int             modem_rid;
    };
    
    int     sn_probe(device_t);
    int     sn_attach(device_t);
    int     sn_detach(device_t);
    void    sn_intr(void *);
    
    int     sn_activate(device_t);
    void    sn_deactivate(device_t);
    
    #define CSR_READ_1(sc, off) (bus_space_read_1((sc)->bst, (sc)->bsh, off))
    #define CSR_READ_2(sc, off) (bus_space_read_2((sc)->bst, (sc)->bsh, off))
    #define CSR_WRITE_1(sc, off, val) \
            bus_space_write_1(sc->bst, sc->bsh, off, val)
    #define CSR_WRITE_2(sc, off, val) \
            bus_space_write_2(sc->bst, sc->bsh, off, val)
    #define CSR_WRITE_MULTI_1(sc, off, addr, count) \
            bus_space_write_multi_1(sc->bst, sc->bsh, off, addr, count)
    #define CSR_WRITE_MULTI_2(sc, off, addr, count) \
            bus_space_write_multi_2(sc->bst, sc->bsh, off, addr, count)
    #define CSR_READ_MULTI_1(sc, off, addr, count) \
            bus_space_read_multi_1(sc->bst, sc->bsh, off, addr, count)
    #define CSR_READ_MULTI_2(sc, off, addr, count) \
            bus_space_read_multi_2(sc->bst, sc->bsh, off, addr, count)
    
    #define SN_LOCK(_sc)            mtx_lock(&(_sc)->sc_mtx)
    #define SN_UNLOCK(_sc)          mtx_unlock(&(_sc)->sc_mtx)
    #define SN_LOCK_INIT(_sc) \
            mtx_init(&_sc->sc_mtx, device_get_nameunit(_sc->dev), \
                MTX_NETWORK_LOCK, MTX_DEF)
    #define SN_LOCK_DESTROY(_sc)    mtx_destroy(&_sc->sc_mtx);
    #define SN_ASSERT_LOCKED(_sc)   mtx_assert(&_sc->sc_mtx, MA_OWNED);
    #define SN_ASSERT_UNLOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_NOTOWNED);
    
    #endif /* _IF_SNVAR_H */

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