The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/ex/if_exvar.h

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    1 /*-
    2  * Copyright (c) 1996, Javier Mart^mn Rueda (jmrueda@diatel.upm.es)
    3  * All rights reserved.
    4  *
    5  * Copyright (c) 2000 Matthew N. Dodd
    6  * All rights reserved.
    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: releng/7.4/sys/dev/ex/if_exvar.h 168776 2007-04-16 12:31:35Z pjd $
   30  */
   31 
   32 struct ex_softc {
   33         struct ifnet    *ifp;
   34         struct ifmedia  ifmedia;
   35         u_char          enaddr[6];
   36 
   37         device_t        dev;
   38         struct resource *ioport;
   39         int             ioport_rid;
   40         struct resource *irq;
   41         int             irq_rid;
   42         void *          ih;
   43 
   44         bus_space_tag_t bst;
   45         bus_space_handle_t bsh;
   46         u_short         irq_no;         /* IRQ number. */
   47 
   48         char *          irq2ee;         /* irq <-> internal             */
   49         u_char *        ee2irq;         /* representation conversion    */
   50 
   51         u_int           mem_size;       /* Total memory size, in bytes. */
   52         u_int           rx_mem_size;    /* Rx memory size (by default,  */
   53                                         /* first 3/4 of total memory).  */
   54 
   55         u_int           rx_lower_limit; /* Lower and upper limits of    */
   56         u_int           rx_upper_limit; /* receive buffer.              */
   57 
   58         u_int           rx_head;        /* Head of receive ring buffer. */
   59         u_int           tx_mem_size;    /* Tx memory size (by default,  */
   60                                         /* last quarter of total memory).*/
   61 
   62         u_int           tx_lower_limit; /* Lower and upper limits of    */
   63         u_int           tx_upper_limit; /* transmit buffer.             */
   64 
   65         u_int           tx_head;        /* Head and tail of             */
   66         u_int           tx_tail;        /* transmit ring buffer.        */
   67 
   68         u_int           tx_last;        /* Pointer to beginning of last */
   69                                         /* frame in the chain.          */
   70 };
   71 
   72 extern devclass_t ex_devclass;
   73 
   74 extern char     irq2eemap[];
   75 extern u_char   ee2irqmap[];
   76 extern char     plus_irq2eemap[];
   77 extern u_char   plus_ee2irqmap[];
   78 
   79 int             ex_alloc_resources(device_t);
   80 void            ex_release_resources(device_t);
   81 int             ex_attach(device_t);
   82 int             ex_detach(device_t);
   83 
   84 driver_intr_t   ex_intr;
   85 
   86 u_int16_t       ex_eeprom_read(struct ex_softc *, int);
   87 void            ex_get_address(struct ex_softc *, u_char *);
   88 int             ex_card_type(u_char *);
   89 
   90 void            ex_stop(struct ex_softc *);
   91 
   92 #define CSR_READ_1(sc, off) (bus_space_read_1((sc)->bst, (sc)->bsh, off))
   93 #define CSR_READ_2(sc, off) (bus_space_read_2((sc)->bst, (sc)->bsh, off))
   94 #define CSR_WRITE_1(sc, off, val) \
   95         bus_space_write_1((sc)->bst, (sc)->bsh, off, val)
   96 #define CSR_WRITE_2(sc, off, val) \
   97         bus_space_write_2((sc)->bst, (sc)->bsh, off, val)
   98 #define CSR_WRITE_MULTI_1(sc, off, addr, count) \
   99         bus_space_write_multi_1((sc)->bst, (sc)->bsh, off, addr, count)
  100 #define CSR_WRITE_MULTI_2(sc, off, addr, count) \
  101         bus_space_write_multi_2((sc)->bst, (sc)->bsh, off, addr, count)
  102 #define CSR_WRITE_MULTI_4(sc, off, addr, count) \
  103         bus_space_write_multi_4((sc)->bst, (sc)->bsh, off, addr, count)
  104 #define CSR_READ_MULTI_1(sc, off, addr, count) \
  105         bus_space_read_multi_1((sc)->bst, (sc)->bsh, off, addr, count)
  106 #define CSR_READ_MULTI_2(sc, off, addr, count) \
  107         bus_space_read_multi_2((sc)->bst, (sc)->bsh, off, addr, count)
  108 #define CSR_READ_MULTI_4(sc, off, addr, count) \
  109         bus_space_read_multi_4((sc)->bst, (sc)->bsh, off, addr, count)
  110 
  111 #define EX_LOCK(_sc)            mtx_lock(&(_sc)->sc_mtx)
  112 #define EX_UNLOCK(_sc)          mtx_unlock(&(_sc)->sc_mtx)
  113 #define EX_LOCK_INIT(_sc) \
  114         mtx_init(&_sc->sc_mtx, device_get_nameunit(_sc->dev), \
  115             MTX_NETWORK_LOCK, MTX_DEF)
  116 #define EX_LOCK_DESTROY(_sc)    mtx_destroy(&_sc->sc_mtx);
  117 #define EX_ASSERT_LOCKED(_sc)   mtx_assert(&_sc->sc_mtx, MA_OWNED);
  118 #define EX_ASSERT_UNLOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_NOTOWNED);

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