1 /* $NetBSD: if_xevar.h,v 1.5 2010/04/24 19:58:13 dbj 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 struct xe_softc { 28 struct mb8795_softc sc_mb8795; /* glue to MI code */ 29 30 bus_space_tag_t sc_bst; /* bus space tag */ 31 bus_space_handle_t sc_bsh; /* bus space handle */ 32 33 struct nextdma_softc *sc_rxdma; 34 struct nextdma_softc *sc_txdma; 35 36 bus_dmamap_t sc_tx_dmamap; /* should we have multiple of these? */ 37 struct mbuf *sc_tx_mb_head; /* pointer to data for this command */ 38 int sc_tx_loaded; 39 u_char *sc_txbuf; /* to solve alignment problems, we 40 * copy the mbuf into this buffer before 41 * trying to DMA it */ 42 43 bus_dmamap_t sc_rx_dmamap[MB8795_NRXBUFS]; 44 struct mbuf *sc_rx_mb_head[MB8795_NRXBUFS]; 45 int sc_rx_loaded_idx; 46 int sc_rx_completed_idx; 47 int sc_rx_handled_idx; 48 }; 49