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Annotation of 43BSDReno/sys/hpdev/scsivar.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1990 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * This code is derived from software contributed to Berkeley by
        !             6:  * Van Jacobson of Lawrence Berkeley Laboratory.
        !             7:  *
        !             8:  * Redistribution is only permitted until one year after the first shipment
        !             9:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
        !            10:  * binary forms are permitted provided that: (1) source distributions retain
        !            11:  * this entire copyright notice and comment, and (2) distributions including
        !            12:  * binaries display the following acknowledgement:  This product includes
        !            13:  * software developed by the University of California, Berkeley and its
        !            14:  * contributors'' in the documentation or other materials provided with the
        !            15:  * distribution and in all advertising materials mentioning features or use
        !            16:  * of this software.  Neither the name of the University nor the names of
        !            17:  * its contributors may be used to endorse or promote products derived from
        !            18:  * this software without specific prior written permission.
        !            19:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            20:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            21:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            22:  *
        !            23:  *     @(#)scsivar.h   7.1 (Berkeley) 5/8/90
        !            24:  */
        !            25: 
        !            26: struct scsi_softc {
        !            27:        struct  hp_ctlr *sc_hc;
        !            28:        struct  devqueue sc_dq;
        !            29:        struct  devqueue sc_sq;
        !            30:        u_char  sc_flags;
        !            31:        u_char  sc_sync;
        !            32:        u_char  sc_scsi_addr;
        !            33:        u_char  sc_stat[2];
        !            34:        u_char  sc_msg[7];
        !            35: };
        !            36: 
        !            37: /* sc_flags */
        !            38: #define        SCSI_IO         0x80    /* DMA I/O in progress */
        !            39: #define        SCSI_DMA32      0x40    /* 32-bit DMA should be used */
        !            40: #define        SCSI_ALIVE      0x01    /* controller initialized */
        !            41: #ifdef DEBUG
        !            42: #define        SCSI_PAD        0x02    /* 'padded' transfer in progress */
        !            43: #endif

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