1 /* $NetBSD: adv.h,v 1.15 2019/12/15 16:48:27 tsutsui 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 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef _ADVANSYS_NARROW_H_ 35 #define _ADVANSYS_NARROW_H_ 36 37 /******************************************************************************/ 38 39 struct adv_ccb 40 { 41 ASC_SG_HEAD sghead; 42 ASC_SCSI_Q scsiq; 43 44 struct scsi_sense_data scsi_sense; 45 46 struct callout ccb_watchdog; 47 48 TAILQ_ENTRY(adv_ccb) chain; 49 struct adv_ccb *nexthash; 50 u_long hashkey; 51 struct scsipi_xfer *xs; /* the scsipi_xfer for this cmd */ 52 int flags; /* see below */ 53 54 int timeout; 55 /* 56 * This DMA map maps the buffer involved in the transfer. 57 */ 58 bus_dmamap_t dmamap_xfer; 59 }; 60 61 typedef struct adv_ccb ADV_CCB; 62 63 /* flags for ADV_CCB */ 64 #define CCB_ALLOC 0x01 65 #define CCB_ABORT 0x02 66 #define CCB_WATCHDOG 0x10 67 68 69 #define ADV_MAX_CCB 32 70 71 struct adv_control 72 { 73 ADV_CCB ccbs[ADV_MAX_CCB]; /* all our control blocks */ 74 u_int8_t overrun_buf[ASC_OVERRUN_BSIZE]; 75 }; 76 77 /* 78 * Offset of a CCB from the beginning of the control DMA mapping. 79 */ 80 #define ADV_CCB_OFF(c) (offsetof(struct adv_control, ccbs[0]) + \ 81 (((u_long)(c)) - ((u_long)&sc->sc_control->ccbs[0]))) 82 83 /******************************************************************************/ 84 85 int adv_init(ASC_SOFTC *); 86 void adv_attach(ASC_SOFTC *); 87 int adv_detach(ASC_SOFTC *, int); 88 int adv_intr(void *); 89 ADV_CCB *adv_ccb_phys_kv(ASC_SOFTC *, u_long); 90 91 /******************************************************************************/ 92 93 #endif /* _ADVANSYS_NARROW_H_ */ 94