hmevar.h

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    1 /*      $NetBSD: hmevar.h,v 1.24 2015/04/13 16:33:24 riastradh 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  *
   19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   29  * POSSIBILITY OF SUCH DAMAGE.
   30  */
   31 
   32 #include <sys/callout.h>
   33 #include <sys/rndsource.h>
   34 
   35 struct hme_ring {
   36         /* Ring Descriptors */
   37         void *          rb_membase;     /* Packet buffer: CPU address */
   38         bus_addr_t      rb_dmabase;     /* Packet buffer: DMA address */
   39         void *          rb_txd;         /* Transmit descriptors */
   40         bus_addr_t      rb_txddma;      /* DMA address of same */
   41         void *          rb_rxd;         /* Receive descriptors */
   42         bus_addr_t      rb_rxddma;      /* DMA address of same */
   43         void *          rb_txbuf;       /* Transmit buffers */
   44         void *          rb_rxbuf;       /* Receive buffers */
   45         int             rb_ntbuf;       /* # of transmit buffers */
   46         int             rb_nrbuf;       /* # of receive buffers */
   47 
   48         /* Ring Descriptor state */
   49         int     rb_tdhead, rb_tdtail;
   50         int     rb_rdtail;
   51         int     rb_td_nbusy;
   52 };
   53 
   54 struct hme_softc {
   55         device_t        sc_dev;         /* boilerplate device view */
   56         struct ethercom sc_ethercom;    /* Ethernet common part */
   57         struct mii_data sc_mii;         /* MII media control */
   58         struct callout  sc_tick_ch;     /* tick callout */
   59 
   60         /* The following bus handles are to be provided by the bus front-end */
   61         bus_space_tag_t sc_bustag;      /* bus tag */
   62         bus_dma_tag_t   sc_dmatag;      /* bus dma tag */
   63         bus_dmamap_t    sc_dmamap;      /* bus dma handle */
   64         bus_space_handle_t sc_seb;      /* HME Global registers */
   65         bus_space_handle_t sc_erx;      /* HME ERX registers */
   66         bus_space_handle_t sc_etx;      /* HME ETX registers */
   67         bus_space_handle_t sc_mac;      /* HME MAC registers */
   68         bus_space_handle_t sc_mif;      /* HME MIF registers */
   69         int             sc_burst;       /* DVMA burst size in effect */
   70         int             sc_phys[2];     /* MII instance -> PHY map */
   71 
   72         int             sc_pci;         /* XXXXX -- PCI buses are LE. */
   73 
   74         /* Ring descriptor */
   75         struct hme_ring         sc_rb;
   76 #if notused
   77         void            (*sc_copytobuf)(struct hme_softc *,
   78                                              void *, void *, size_t);
   79         void            (*sc_copyfrombuf)(struct hme_softc *,
   80                                               void *, void *, size_t);
   81 #endif
   82 
   83         int                     sc_debug;
   84         int                     sc_ec_capenable;
   85         short                   sc_if_flags;
   86         uint8_t                 sc_enaddr[ETHER_ADDR_LEN]; /* MAC address */
   87 
   88         /* Special hardware hooks */
   89         void    (*sc_hwreset)(struct hme_softc *);
   90         void    (*sc_hwinit)(struct hme_softc *);
   91 
   92         krndsource_t    rnd_source;
   93 };
   94 
   95 
   96 void    hme_config(struct hme_softc *);
   97 int     hme_intr(void *);

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FreeBSD/Linux Kernel Cross Reference sys/dev/ic/hmevar.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/hmevar.h