1 /* $NetBSD: adv.h,v 1.8 2001/03/08 06:49:49 thorpej Exp $ */ 2 3 /* 4 * Generic driver definitions and exported functions for the Advanced 5 * Systems Inc. Narrow SCSI controllers 6 * 7 * Copyright (c) 1998 The NetBSD Foundation, Inc. 8 * All rights reserved. 9 * 10 * Author: Baldassare Dante Profeta <dante@mclink.it> 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 #ifndef _ADVANSYS_NARROW_H_ 42 #define _ADVANSYS_NARROW_H_ 43 44 /******************************************************************************/ 45 46 /* second level interrupt callback type definition */ 47 typedef int (* ASC_ISR_CALLBACK) (ASC_SOFTC *, ASC_QDONE_INFO *); 48 49 struct adv_ccb 50 { 51 ASC_SG_HEAD sghead; 52 ASC_SCSI_Q scsiq; 53 54 struct scsipi_sense_data scsi_sense; 55 56 struct callout ccb_watchdog; 57 58 TAILQ_ENTRY(adv_ccb) chain; 59 struct adv_ccb *nexthash; 60 u_long hashkey; 61 struct scsipi_xfer *xs; /* the scsipi_xfer for this cmd */ 62 int flags; /* see below */ 63 64 int timeout; 65 /* 66 * This DMA map maps the buffer involved in the transfer. 67 */ 68 bus_dmamap_t dmamap_xfer; 69 }; 70 71 typedef struct adv_ccb ADV_CCB; 72 73 /* flags for ADV_CCB */ 74 #define CCB_ALLOC 0x01 75 #define CCB_ABORT 0x02 76 #define CCB_WATCHDOG 0x10 77 78 79 #define ADV_MAX_CCB 32 80 81 struct adv_control 82 { 83 ADV_CCB ccbs[ADV_MAX_CCB]; /* all our control blocks */ 84 u_int8_t overrun_buf[ASC_OVERRUN_BSIZE]; 85 }; 86 87 /* 88 * Offset of a CCB from the beginning of the control DMA mapping. 89 */ 90 #define ADV_CCB_OFF(c) (offsetof(struct adv_control, ccbs[0]) + \ 91 (((u_long)(c)) - ((u_long)&sc->sc_control->ccbs[0]))) 92 93 /******************************************************************************/ 94 95 int adv_init __P((ASC_SOFTC *sc)); 96 void adv_attach __P((ASC_SOFTC *sc)); 97 int adv_detach __P((ASC_SOFTC *sc, int)); 98 int adv_intr __P((void *arg)); 99 ADV_CCB *adv_ccb_phys_kv __P((ASC_SOFTC *, u_long)); 100 101 /******************************************************************************/ 102 103 #endif /* _ADVANSYS_NARROW_H_ */ 104