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Annotation of Net2/arch/hp300/dev/scsivar.h, revision 1.1.1.2

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 and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. All advertising materials mentioning features or use of this software
                     17:  *    must display the following acknowledgement:
                     18:  *     This product includes software developed by the University of
                     19:  *     California, Berkeley and its contributors.
                     20:  * 4. Neither the name of the University nor the names of its contributors
                     21:  *    may be used to endorse or promote products derived from this software
                     22:  *    without specific prior written permission.
                     23:  *
                     24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     34:  * SUCH DAMAGE.
                     35:  *
1.1.1.2 ! root       36:  *     from: @(#)scsivar.h     7.1 (Berkeley) 5/8/90
        !            37:  *     scsivar.h,v 1.2 1993/05/22 07:56:51 cgd Exp
1.1       root       38:  */
                     39: 
                     40: struct scsi_softc {
                     41:        struct  hp_ctlr *sc_hc;
                     42:        struct  devqueue sc_dq;
                     43:        struct  devqueue sc_sq;
                     44:        u_char  sc_flags;
                     45:        u_char  sc_sync;
                     46:        u_char  sc_scsi_addr;
                     47:        u_char  sc_stat[2];
                     48:        u_char  sc_msg[7];
                     49: };
                     50: 
                     51: /* sc_flags */
                     52: #define        SCSI_IO         0x80    /* DMA I/O in progress */
                     53: #define        SCSI_DMA32      0x40    /* 32-bit DMA should be used */
                     54: #define        SCSI_ALIVE      0x01    /* controller initialized */
                     55: #ifdef DEBUG
                     56: #define        SCSI_PAD        0x02    /* 'padded' transfer in progress */
                     57: #endif

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