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Annotation of sys/arch/vax/if/sgecvar.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: sgecvar.h,v 1.5 2006/08/30 19:28:11 miod Exp $        */
        !             2: /*      $NetBSD: sgecvar.h,v 1.2 2000/06/04 02:14:14 matt Exp $ */
        !             3: /*
        !             4:  * Copyright (c) 1999 Ludd, University of Lule}, Sweden. All rights reserved.
        !             5:  *
        !             6:  * Redistribution and use in source and binary forms, with or without
        !             7:  * modification, are permitted provided that the following conditions
        !             8:  * are met:
        !             9:  * 1. Redistributions of source code must retain the above copyright
        !            10:  *    notice, this list of conditions and the following disclaimer.
        !            11:  * 2. Redistributions in binary form must reproduce the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer in the
        !            13:  *    documentation and/or other materials provided with the distribution.
        !            14:  * 3. All advertising materials mentioning features or use of this software
        !            15:  *    must display the following acknowledgement:
        !            16:  *      This product includes software developed at Ludd, University of
        !            17:  *      Lule}, Sweden and its contributors.
        !            18:  * 4. The name of the author may not be used to endorse or promote products
        !            19:  *    derived from this software without specific prior written permission
        !            20:  *
        !            21:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            22:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            23:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            24:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            25:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            26:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            27:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            28:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            29:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            30:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            31:  */
        !            32:
        !            33: #define RXDESCS        30      /* # of receive descriptors */
        !            34: #define TXDESCS        60      /* # transmit descs */
        !            35:
        !            36: /*
        !            37:  * Descriptors must be an even number; optimisation thing.
        !            38:  */
        !            39: struct ze_cdata {
        !            40:        struct ze_rdes  zc_recv[RXDESCS+2];     /* Receive descriptors */
        !            41:        struct ze_tdes  zc_xmit[TXDESCS+2];     /* Transmit descriptors */
        !            42:        u_int8_t        zc_setup[128];          /* Setup packet layout */
        !            43: };
        !            44:
        !            45: struct ze_softc {
        !            46:        struct device   sc_dev;         /* Configuration common part    */
        !            47:        struct evcount  sc_intrcnt;     /* Interrupt counters           */
        !            48:        struct arpcom   sc_ac;          /* Ethernet common part         */
        !            49: #define sc_if  sc_ac.ac_if             /* network-visible interface    */
        !            50:        bus_space_tag_t sc_iot;
        !            51:        bus_addr_t      sc_ioh;
        !            52:        bus_dma_tag_t   sc_dmat;
        !            53:        struct ze_cdata *sc_zedata;     /* Descriptor struct            */
        !            54:        struct ze_cdata *sc_pzedata;    /* Physical address of above    */
        !            55:        bus_dmamap_t    sc_cmap;        /* Map for control structures   */
        !            56:        struct mbuf*    sc_txmbuf[TXDESCS];
        !            57:        struct mbuf*    sc_rxmbuf[RXDESCS];
        !            58:        bus_dmamap_t    sc_xmtmap[TXDESCS];
        !            59:        bus_dmamap_t    sc_rcvmap[RXDESCS];
        !            60:        int             sc_intvec;      /* Interrupt vector             */
        !            61:        int             sc_nexttx;
        !            62:        int             sc_inq;
        !            63:        int             sc_lastack;
        !            64:        int             sc_nextrx;
        !            65:        int             sc_flags;
        !            66: #define        SGECF_SETUP             0x00000001      /* need to send setup packet */
        !            67: #define        SGECF_VXTQUIRKS         0x00000002      /* need VXT2000 care */
        !            68: };
        !            69:
        !            70: void   sgec_attach(struct ze_softc *);
        !            71: int    sgec_intr(struct ze_softc *);