61 lines
2.8 KiB
C
61 lines
2.8 KiB
C
/* $NetBSD: espvar.h,v 1.6 1999/01/27 06:37:49 dbj Exp $ */
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/*-
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* Copyright (c) 1997 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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struct esp_softc {
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struct ncr53c9x_softc sc_ncr53c9x; /* glue to MI code */
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struct nextdma_config sc_scsi_dma;
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bus_space_tag_t sc_bst;
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bus_space_handle_t sc_bsh; /* the device registers */
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bus_dmamap_t sc_dmamap; /* i/o dma map */
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int sc_datain; /* dma direction for map */
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caddr_t sc_slop_bgn_addr; /* bytes to be fifo'd at beginning */
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caddr_t sc_slop_end_addr; /* bytes to be fifo'd at end */
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int sc_slop_bgn_size; /* # bytes to be fifo'd at beginning */
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int sc_slop_end_size; /* # bytes to be fifo'd at end */
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int sc_dmamap_loaded; /* 0=not loaded, 1=sc_dmamap, 2=sc_tail_dmamap */
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caddr_t *sc_dmaaddr;
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size_t *sc_dmalen;
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size_t sc_dmasize;
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#define ESP_DMA_MAXTAIL 128
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caddr_t sc_tail;
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size_t sc_tail_size;
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char sc_tailbuf[ESP_DMA_MAXTAIL+2*DMA_ENDALIGNMENT];
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bus_dmamap_t sc_tail_dmamap;
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};
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