NetBSD/sys/arch/next68k/dev/if_xevar.h
2003-05-03 18:10:37 +00:00

54 lines
2.4 KiB
C

/* $NetBSD: if_xevar.h,v 1.4 2003/05/03 18:10:55 wiz Exp $ */
/*
* Copyright (c) 1998 Darrin B. Jewell
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Darrin B. Jewell
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
struct xe_softc {
struct mb8795_softc sc_mb8795; /* glue to MI code */
bus_space_tag_t sc_bst; /* bus space tag */
bus_space_handle_t sc_bsh; /* bus space handle */
struct nextdma_softc *sc_rxdma;
struct nextdma_softc *sc_txdma;
bus_dmamap_t sc_tx_dmamap; /* should we have multiple of these? */
struct mbuf *sc_tx_mb_head; /* pointer to data for this command */
int sc_tx_loaded;
u_char *sc_txbuf; /* to solve alignment problems, we
* copy the mbuf into this buffer before
* trying to DMA it */
bus_dmamap_t sc_rx_dmamap[MB8795_NRXBUFS];
struct mbuf *sc_rx_mb_head[MB8795_NRXBUFS];
int sc_rx_loaded_idx;
int sc_rx_completed_idx;
int sc_rx_handled_idx;
};