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Annotation of 43BSDReno/sys/hpdev/scsivar.h, revision 1.1.1.1

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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