/* $NetBSD: adv.h,v 1.13.170.1 2019/12/18 20:04:33 martin Exp $ */ /* * Generic driver definitions and exported functions for the Advanced * Systems Inc. Narrow SCSI controllers * * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * Author: Baldassare Dante Profeta * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _ADVANSYS_NARROW_H_ #define _ADVANSYS_NARROW_H_ /******************************************************************************/ /* second level interrupt callback type definition */ typedef int (* ASC_ISR_CALLBACK) (ASC_SOFTC *, ASC_QDONE_INFO *); struct adv_ccb { ASC_SG_HEAD sghead; ASC_SCSI_Q scsiq; struct scsi_sense_data scsi_sense; struct callout ccb_watchdog; TAILQ_ENTRY(adv_ccb) chain; struct adv_ccb *nexthash; u_long hashkey; struct scsipi_xfer *xs; /* the scsipi_xfer for this cmd */ int flags; /* see below */ int timeout; /* * This DMA map maps the buffer involved in the transfer. */ bus_dmamap_t dmamap_xfer; }; typedef struct adv_ccb ADV_CCB; /* flags for ADV_CCB */ #define CCB_ALLOC 0x01 #define CCB_ABORT 0x02 #define CCB_WATCHDOG 0x10 #define ADV_MAX_CCB 32 struct adv_control { ADV_CCB ccbs[ADV_MAX_CCB]; /* all our control blocks */ u_int8_t overrun_buf[ASC_OVERRUN_BSIZE]; }; /* * Offset of a CCB from the beginning of the control DMA mapping. */ #define ADV_CCB_OFF(c) (offsetof(struct adv_control, ccbs[0]) + \ (((u_long)(c)) - ((u_long)&sc->sc_control->ccbs[0]))) /******************************************************************************/ int adv_init(ASC_SOFTC *); void adv_attach(ASC_SOFTC *); int adv_detach(ASC_SOFTC *, int); int adv_intr(void *); ADV_CCB *adv_ccb_phys_kv(ASC_SOFTC *, u_long); /******************************************************************************/ #endif /* _ADVANSYS_NARROW_H_ */