1 /* $NetBSD: if_xevar.h,v 1.3 2002/09/11 01:46:31 mycroft Exp $ */ 2 /* 3 * Copyright (c) 1998 Darrin B. Jewell 4 * 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 by Darrin B. Jewell 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 struct xe_softc { 33 struct mb8795_softc sc_mb8795; /* glue to MI code */ 34 35 bus_space_tag_t sc_bst; /* bus space tag */ 36 bus_space_handle_t sc_bsh; /* bus space handle */ 37 38 struct nextdma_softc *sc_rxdma; 39 struct nextdma_softc *sc_txdma; 40 41 bus_dmamap_t sc_tx_dmamap; /* should we have multiple of these? */ 42 struct mbuf *sc_tx_mb_head; /* pointer to data for this command */ 43 int sc_tx_loaded; 44 u_char *sc_txbuf; /* to solve alignment problems, we 45 * copy the mbuf into this buffer before 46 * trying to dma it */ 47 48 bus_dmamap_t sc_rx_dmamap[MB8795_NRXBUFS]; 49 struct mbuf *sc_rx_mb_head[MB8795_NRXBUFS]; 50 int sc_rx_loaded_idx; 51 int sc_rx_completed_idx; 52 int sc_rx_handled_idx; 53 }; 54