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/ic/hmevar.h

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    1 /*      $NetBSD: hmevar.h,v 1.14 2005/12/11 12:21:26 christos Exp $     */
    2 
    3 /*-
    4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Paul Kranenburg.
    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  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *        This product includes software developed by the NetBSD
   21  *        Foundation, Inc. and its contributors.
   22  * 4. Neither the name of The NetBSD Foundation nor the names of its
   23  *    contributors may be used to endorse or promote products derived
   24  *    from this software without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   36  * POSSIBILITY OF SUCH DAMAGE.
   37  */
   38 
   39 #include "rnd.h"
   40 
   41 #include <sys/callout.h>
   42 #if NRND > 0
   43 #include <sys/rnd.h>
   44 #endif
   45 
   46 
   47 struct hme_ring {
   48         /* Ring Descriptors */
   49         caddr_t         rb_membase;     /* Packet buffer: CPU address */
   50         bus_addr_t      rb_dmabase;     /* Packet buffer: DMA address */
   51         caddr_t         rb_txd;         /* Transmit descriptors */
   52         bus_addr_t      rb_txddma;      /* DMA address of same */
   53         caddr_t         rb_rxd;         /* Receive descriptors */
   54         bus_addr_t      rb_rxddma;      /* DMA address of same */
   55         caddr_t         rb_txbuf;       /* Transmit buffers */
   56         caddr_t         rb_rxbuf;       /* Receive buffers */
   57         int             rb_ntbuf;       /* # of transmit buffers */
   58         int             rb_nrbuf;       /* # of receive buffers */
   59 
   60         /* Ring Descriptor state */
   61         int     rb_tdhead, rb_tdtail;
   62         int     rb_rdtail;
   63         int     rb_td_nbusy;
   64 };
   65 
   66 struct hme_softc {
   67         struct device   sc_dev;         /* boilerplate device view */
   68         struct ethercom sc_ethercom;    /* Ethernet common part */
   69         struct mii_data sc_mii;         /* MII media control */
   70 #define sc_media        sc_mii.mii_media/* shorthand */
   71         struct callout  sc_tick_ch;     /* tick callout */
   72 
   73         /* The following bus handles are to be provided by the bus front-end */
   74         bus_space_tag_t sc_bustag;      /* bus tag */
   75         bus_dma_tag_t   sc_dmatag;      /* bus dma tag */
   76         bus_dmamap_t    sc_dmamap;      /* bus dma handle */
   77         bus_space_handle_t sc_seb;      /* HME Global registers */
   78         bus_space_handle_t sc_erx;      /* HME ERX registers */
   79         bus_space_handle_t sc_etx;      /* HME ETX registers */
   80         bus_space_handle_t sc_mac;      /* HME MAC registers */
   81         bus_space_handle_t sc_mif;      /* HME MIF registers */
   82         int             sc_burst;       /* DVMA burst size in effect */
   83         int             sc_phys[2];     /* MII instance -> PHY map */
   84 
   85         int             sc_pci;         /* XXXXX -- PCI buses are LE. */
   86 
   87         /* Ring descriptor */
   88         struct hme_ring         sc_rb;
   89 #if notused
   90         void            (*sc_copytobuf)(struct hme_softc *,
   91                                              void *, void *, size_t);
   92         void            (*sc_copyfrombuf)(struct hme_softc *,
   93                                               void *, void *, size_t);
   94 #endif
   95 
   96         int                     sc_debug;
   97         void                    *sc_sh;         /* shutdownhook cookie */
   98         int                     sc_ec_capenable;
   99         short                   sc_if_flags;
  100         u_int8_t                sc_enaddr[ETHER_ADDR_LEN]; /* MAC address */
  101 
  102         /* Special hardware hooks */
  103         void    (*sc_hwreset)(struct hme_softc *);
  104         void    (*sc_hwinit)(struct hme_softc *);
  105 
  106 #if NRND > 0
  107         rndsource_element_t     rnd_source;
  108 #endif
  109 };
  110 
  111 
  112 void    hme_config(struct hme_softc *);
  113 void    hme_reset(struct hme_softc *);
  114 int     hme_intr(void *);

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