Return to qecvar.h CVS log

Up to [local] / sys / dev / sbus

Annotation of sys/dev/sbus/qecvar.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: qecvar.h,v 1.3 2006/06/02 20:00:56 miod Exp $ */
        !             2: /*     $NetBSD: qecvar.h,v 1.4 1999/01/17 20:47:50 pk Exp $    */
        !             3:
        !             4: /*-
        !             5:  * Copyright (c) 1998 The NetBSD Foundation, Inc.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * This code is derived from software contributed to The NetBSD Foundation
        !             9:  * by Paul Kranenburg.
        !            10:  *
        !            11:  * Redistribution and use in source and binary forms, with or without
        !            12:  * modification, are permitted provided that the following conditions
        !            13:  * are met:
        !            14:  * 1. Redistributions of source code must retain the above copyright
        !            15:  *    notice, this list of conditions and the following disclaimer.
        !            16:  * 2. Redistributions in binary form must reproduce the above copyright
        !            17:  *    notice, this list of conditions and the following disclaimer in the
        !            18:  *    documentation and/or other materials provided with the distribution.
        !            19:  * 3. All advertising materials mentioning features or use of this software
        !            20:  *    must display the following acknowledgement:
        !            21:  *        This product includes software developed by the NetBSD
        !            22:  *        Foundation, Inc. and its contributors.
        !            23:  * 4. Neither the name of The NetBSD Foundation nor the names of its
        !            24:  *    contributors may be used to endorse or promote products derived
        !            25:  *    from this software without specific prior written permission.
        !            26:  *
        !            27:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
        !            28:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
        !            29:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
        !            30:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
        !            31:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
        !            32:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
        !            33:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
        !            34:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
        !            35:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
        !            36:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            37:  * POSSIBILITY OF SUCH DAMAGE.
        !            38:  */
        !            39:
        !            40: struct qec_softc {
        !            41:        struct device sc_dev;           /* us as a device */
        !            42:        bus_space_tag_t sc_bustag;      /* bus & dma tags */
        !            43:        bus_dma_tag_t   sc_dmatag;
        !            44:        struct  sbus_range *sc_range;   /* PROM ranges */
        !            45:        int     sc_nrange;              /*             */
        !            46:        struct  sbus_intr *sc_intr;     /* interrupt info */
        !            47:
        !            48:        bus_space_handle_t sc_regs;     /* QEC registers */
        !            49:        int     sc_nchannels;           /* # of channels on board */
        !            50:        int     sc_burst;               /* DVMA burst size in effect */
        !            51:        caddr_t sc_buffer;              /* VA of the buffer we provide */
        !            52:        int     sc_bufsiz;              /* Size of buffer */
        !            53:
        !            54:        u_int   sc_msize;               /* QEC buffer offset per channel */
        !            55:        u_int   sc_rsize;               /* QEC buffer size for receive */
        !            56: };
        !            57:
        !            58: struct qec_ring {
        !            59:        /* Ring Descriptors */
        !            60:        caddr_t         rb_membase;     /* Packet buffer: CPU address */
        !            61:        bus_addr_t      rb_dmabase;     /* Packet buffer: DMA address */
        !            62:        struct  qec_xd  *rb_txd;        /* Transmit descriptors */
        !            63:        bus_addr_t      rb_txddma;      /* DMA address of same */
        !            64:        struct  qec_xd  *rb_rxd;        /* Receive descriptors */
        !            65:        bus_addr_t      rb_rxddma;      /* DMA address of same */
        !            66:        caddr_t         rb_txbuf;       /* Transmit buffers */
        !            67:        caddr_t         rb_rxbuf;       /* Receive buffers */
        !            68:        int             rb_ntbuf;       /* # of transmit buffers */
        !            69:        int             rb_nrbuf;       /* # of receive buffers */
        !            70:
        !            71:        /* Ring Descriptor state */
        !            72:        int     rb_tdhead, rb_tdtail;
        !            73:        int     rb_rdtail;
        !            74:        int     rb_td_nbusy;
        !            75: };
        !            76:
        !            77: void   qec_meminit(struct qec_ring *, unsigned int);