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/9.2/sys/dev/ex/if_exvar.h 182088 2008-08-24 00:22:42Z imp $
   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         u_short         irq_no;         /* IRQ number. */
   45 
   46         char *          irq2ee;         /* irq <-> internal             */
   47         u_char *        ee2irq;         /* representation conversion    */
   48 
   49         u_int           mem_size;       /* Total memory size, in bytes. */
   50         u_int           rx_mem_size;    /* Rx memory size (by default,  */
   51                                         /* first 3/4 of total memory).  */
   52 
   53         u_int           rx_lower_limit; /* Lower and upper limits of    */
   54         u_int           rx_upper_limit; /* receive buffer.              */
   55 
   56         u_int           rx_head;        /* Head of receive ring buffer. */
   57         u_int           tx_mem_size;    /* Tx memory size (by default,  */
   58                                         /* last quarter of total memory).*/
   59 
   60         u_int           tx_lower_limit; /* Lower and upper limits of    */
   61         u_int           tx_upper_limit; /* transmit buffer.             */
   62 
   63         u_int           tx_head;        /* Head and tail of             */
   64         u_int           tx_tail;        /* transmit ring buffer.        */
   65 
   66         u_int           tx_last;        /* Pointer to beginning of last */
   67                                         /* frame in the chain.          */
   68         struct mtx      lock;
   69         struct callout  timer;
   70         int             tx_timeout;
   71         int             flags;
   72 #define HAS_INT_NO_REG  1
   73 };
   74 
   75 extern devclass_t ex_devclass;
   76 
   77 extern char     irq2eemap[];
   78 extern u_char   ee2irqmap[];
   79 extern char     plus_irq2eemap[];
   80 extern u_char   plus_ee2irqmap[];
   81 
   82 int             ex_alloc_resources(device_t);
   83 void            ex_release_resources(device_t);
   84 int             ex_attach(device_t);
   85 int             ex_detach(device_t);
   86 
   87 driver_intr_t   ex_intr;
   88 
   89 u_int16_t       ex_eeprom_read(struct ex_softc *, int);
   90 void            ex_get_address(struct ex_softc *, u_char *);
   91 int             ex_card_type(u_char *);
   92 
   93 void            ex_stop(struct ex_softc *);
   94 
   95 #define CSR_READ_1(sc, off) (bus_read_1((sc)->ioport, off))
   96 #define CSR_READ_2(sc, off) (bus_read_2((sc)->ioport, off))
   97 #define CSR_WRITE_1(sc, off, val) \
   98         bus_write_1((sc)->ioport, off, val)
   99 #define CSR_WRITE_2(sc, off, val) \
  100         bus_write_2((sc)->ioport, off, val)
  101 #define CSR_WRITE_MULTI_1(sc, off, addr, count) \
  102         bus_write_multi_1((sc)->ioport, off, addr, count)
  103 #define CSR_WRITE_MULTI_2(sc, off, addr, count) \
  104         bus_write_multi_2((sc)->ioport, off, addr, count)
  105 #define CSR_WRITE_MULTI_4(sc, off, addr, count) \
  106         bus_write_multi_4((sc)->ioport, off, addr, count)
  107 #define CSR_READ_MULTI_1(sc, off, addr, count) \
  108         bus_read_multi_1((sc)->ioport, off, addr, count)
  109 #define CSR_READ_MULTI_2(sc, off, addr, count) \
  110         bus_read_multi_2((sc)->ioport, off, addr, count)
  111 #define CSR_READ_MULTI_4(sc, off, addr, count) \
  112         bus_read_multi_4((sc)->ioport, off, addr, count)
  113 
  114 #define EX_LOCK(sc)             mtx_lock(&(sc)->lock)
  115 #define EX_UNLOCK(sc)           mtx_unlock(&(sc)->lock)
  116 #define EX_ASSERT_LOCKED(sc)    mtx_assert(&(sc)->lock, MA_OWNED)

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