if_exvar.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 1996, Javier Mart^mn Rueda (jmrueda@diatel.upm.es)
    5  * All rights reserved.
    6  *
    7  * Copyright (c) 2000 Matthew N. Dodd
    8  * All rights reserved.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  *
   31  *      $FreeBSD: releng/12.0/sys/dev/ex/if_exvar.h 326255 2017-11-27 14:52:40Z pfg $
   32  */
   33 
   34 struct ex_softc {
   35         struct ifnet    *ifp;
   36         struct ifmedia  ifmedia;
   37         u_char          enaddr[6];
   38 
   39         device_t        dev;
   40         struct resource *ioport;
   41         int             ioport_rid;
   42         struct resource *irq;
   43         int             irq_rid;
   44         void *          ih;
   45 
   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         struct mtx      lock;
   71         struct callout  timer;
   72         int             tx_timeout;
   73         int             flags;
   74 #define HAS_INT_NO_REG  1
   75 };
   76 
   77 extern devclass_t ex_devclass;
   78 
   79 extern char     irq2eemap[];
   80 extern u_char   ee2irqmap[];
   81 extern char     plus_irq2eemap[];
   82 extern u_char   plus_ee2irqmap[];
   83 
   84 int             ex_alloc_resources(device_t);
   85 void            ex_release_resources(device_t);
   86 int             ex_attach(device_t);
   87 int             ex_detach(device_t);
   88 
   89 driver_intr_t   ex_intr;
   90 
   91 u_int16_t       ex_eeprom_read(struct ex_softc *, int);
   92 void            ex_get_address(struct ex_softc *, u_char *);
   93 int             ex_card_type(u_char *);
   94 
   95 void            ex_stop(struct ex_softc *);
   96 
   97 #define CSR_READ_1(sc, off) (bus_read_1((sc)->ioport, off))
   98 #define CSR_READ_2(sc, off) (bus_read_2((sc)->ioport, off))
   99 #define CSR_WRITE_1(sc, off, val) \
  100         bus_write_1((sc)->ioport, off, val)
  101 #define CSR_WRITE_2(sc, off, val) \
  102         bus_write_2((sc)->ioport, off, val)
  103 #define CSR_WRITE_MULTI_1(sc, off, addr, count) \
  104         bus_write_multi_1((sc)->ioport, off, addr, count)
  105 #define CSR_WRITE_MULTI_2(sc, off, addr, count) \
  106         bus_write_multi_2((sc)->ioport, off, addr, count)
  107 #define CSR_WRITE_MULTI_4(sc, off, addr, count) \
  108         bus_write_multi_4((sc)->ioport, off, addr, count)
  109 #define CSR_READ_MULTI_1(sc, off, addr, count) \
  110         bus_read_multi_1((sc)->ioport, off, addr, count)
  111 #define CSR_READ_MULTI_2(sc, off, addr, count) \
  112         bus_read_multi_2((sc)->ioport, off, addr, count)
  113 #define CSR_READ_MULTI_4(sc, off, addr, count) \
  114         bus_read_multi_4((sc)->ioport, off, addr, count)
  115 
  116 #define EX_LOCK(sc)             mtx_lock(&(sc)->lock)
  117 #define EX_UNLOCK(sc)           mtx_unlock(&(sc)->lock)
  118 #define EX_ASSERT_LOCKED(sc)    mtx_assert(&(sc)->lock, MA_OWNED)

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

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