The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 /*      $NetBSD: adv.h,v 1.13 2005/12/11 12:21:25 christos 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 scsi_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(ASC_SOFTC *);
   96 void adv_attach(ASC_SOFTC *);
   97 int adv_detach(ASC_SOFTC *, int);
   98 int adv_intr(void *);
   99 ADV_CCB *adv_ccb_phys_kv(ASC_SOFTC *, u_long);
  100 
  101 /******************************************************************************/
  102 
  103 #endif /* _ADVANSYS_NARROW_H_ */

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