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Annotation of sys/dev/ic/adv.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: adv.h,v 1.5 2002/03/14 01:26:53 millert Exp $ */
                      2: /*      $NetBSD: adv.h,v 1.3 1998/09/26 16:02:56 dante Exp $        */
                      3:
                      4: /*
                      5:  * Generic driver definitions and exported functions for the Advanced
                      6:  * Systems Inc. Narrow SCSI controllers
                      7:  *
                      8:  * Copyright (c) 1998 The NetBSD Foundation, Inc.
                      9:  * All rights reserved.
                     10:  *
                     11:  * Author: Baldassare Dante Profeta <dante@mclink.it>
                     12:  *
                     13:  * Redistribution and use in source and binary forms, with or without
                     14:  * modification, are permitted provided that the following conditions
                     15:  * are met:
                     16:  * 1. Redistributions of source code must retain the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer.
                     18:  * 2. Redistributions in binary form must reproduce the above copyright
                     19:  *    notice, this list of conditions and the following disclaimer in the
                     20:  *    documentation and/or other materials provided with the distribution.
                     21:  * 3. All advertising materials mentioning features or use of this software
                     22:  *    must display the following acknowledgement:
                     23:  *        This product includes software developed by the NetBSD
                     24:  *        Foundation, Inc. and its contributors.
                     25:  * 4. Neither the name of The NetBSD Foundation nor the names of its
                     26:  *    contributors may be used to endorse or promote products derived
                     27:  *    from this software without specific prior written permission.
                     28:  *
                     29:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     30:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     31:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                     32:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
                     33:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
                     34:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
                     35:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     36:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
                     37:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
                     38:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     39:  * POSSIBILITY OF SUCH DAMAGE.
                     40:  */
                     41:
                     42: #ifndef _ADVANSYS_NARROW_H_
                     43: #define _ADVANSYS_NARROW_H_
                     44:
                     45: #include <dev/ic/advlib.h>
                     46:
                     47: /******************************************************************************/
                     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:        TAILQ_ENTRY(adv_ccb) chain;
                     57:        struct scsi_xfer        *xs;    /* the scsi_xfer for this cmd */
                     58:        int                     flags;  /* see below */
                     59:
                     60:        int                     timeout;
                     61:        /*
                     62:         * This DMA map maps the buffer involved in the transfer.
                     63:         */
                     64:        bus_dmamap_t            dmamap_xfer;
                     65: };
                     66:
                     67: typedef struct adv_ccb ADV_CCB;
                     68:
                     69: /* flags for ADV_CCB */
                     70: #define CCB_ALLOC       0x01
                     71: #define CCB_ABORT       0x02
                     72: #define        CCB_WATCHDOG    0x10
                     73:
                     74:
                     75: #define ADV_MAX_CCB    32
                     76:
                     77: struct adv_control
                     78: {
                     79:        ADV_CCB ccbs[ADV_MAX_CCB];      /* all our control blocks */
                     80: };
                     81:
                     82: /*
                     83:  * Offset of a CCB from the beginning of the control DMA mapping.
                     84:  */
                     85: #define        ADV_CCB_OFF(c)  (offsetof(struct adv_control, ccbs[0]) +        \
                     86:                    (((u_long)(c)) - ((u_long)&sc->sc_control->ccbs[0])))
                     87:
                     88: /******************************************************************************/
                     89:
                     90: int adv_init(ASC_SOFTC *sc);
                     91: void adv_attach(ASC_SOFTC *sc);
                     92: int adv_intr(void *arg);
                     93:
                     94: /******************************************************************************/
                     95:
                     96: #endif /* _ADVANSYS_NARROW_H_ */