FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/adv.h

     /*      $OpenBSD: adv.h,v 1.7 2020/02/18 20:24:52 krw Exp $     */
     /*      $NetBSD: adv.h,v 1.3 1998/09/26 16:02:56 dante 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 <dante@mclink.it>
     *
     * 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_
    
    #include <dev/ic/advlib.h>
    
    /******************************************************************************/
    
    struct adv_ccb
    {
            ASC_SG_HEAD     sghead;
            ASC_SCSI_Q      scsiq;
    
            struct scsi_sense_data scsi_sense;
    
            TAILQ_ENTRY(adv_ccb) chain;
            struct scsi_xfer        *xs;    /* the scsi_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 */
    };
    
    /*
     * 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 *sc);
    void adv_attach(ASC_SOFTC *sc);
    int adv_intr(void *arg);
    
    /******************************************************************************/
    
    #endif /* _ADVANSYS_NARROW_H_ */

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