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/scsipi/atapi_tape.h

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    1 /*      $NetBSD: atapi_tape.h,v 1.2 2001/12/01 00:03:45 bouyer Exp $    */
    2 
    3 
    4 /*-
    5  * Copyright (c) 1998,1999,2000,2001 Søren Schmidt
    6  * All rights reserved.
    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  *    without modification, immediately at the beginning of the file.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *    notice, this list of conditions and the following disclaimer in the
   16  *    documentation and/or other materials provided with the distribution.
   17  * 3. The name of the author may not be used to endorse or promote products
   18  *    derived from this software without specific prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   30  *
   31  * $FreeBSD: src/sys/dev/ata/atapi-tape.h,v 1.15 2001/03/14 12:05:44 sos Exp $
   32  */
   33 
   34 /* defines for the device specific byte in the mode select/sense header */
   35 #define SMH_DSP_BUFF_MODE       0x70
   36 #define SMH_DSP_BUFF_MODE_OFF   0x00
   37 #define SMH_DSP_BUFF_MODE_ON    0x10
   38 #define SMH_DSP_BUFF_MODE_MLTI  0x20
   39 #define SMH_DSP_WRITE_PROT      0x80
   40 
   41 /* ATAPI tape drive Capabilities and Mechanical Status Page */
   42 struct atapi_cappage {
   43     /* mode page data header */
   44     struct scsipi_mode_header header;
   45     /* capabilities page */
   46     u_int8_t    page_code;
   47 #define ATAPI_TAPE_CAP_PAGE     0x2a
   48     u_int8_t    page_length;                    /* page Length == 0x12 */
   49     u_int8_t    reserved2;
   50     u_int8_t    reserved3;
   51     u_int8_t    cap1;
   52 #define ATAPI_TAPE_CAP_PAGE_RO  0x01;           /* read Only Mode */
   53 #define ATAPI_TAPE_CAP_PAGE_REV 0x20;           /* supports reverse direction */
   54     u_int8_t    cap2;
   55 #define ATAPI_TAPE_CAP_PAGE_EF  0x08;           /* supports ERASE formatting */
   56 #define ATAPI_TAPE_CAP_PAGE_QFA 0x20            /* supports QFA formats */
   57     u_int8_t    cap3;
   58 #define ATAPI_TAPE_CAP_PAGE_LCK 0x01            /* supports locking media */
   59 #define ATAPI_TAPE_CAP_PAGE_LCKED 0x02          /* the media is locked */
   60 #define ATAPI_TAPE_CAP_PAGE_PRV 0x04            /* defaults to prevent state */
   61 #define ATAPI_TAPE_CAP_PAGE_EJ  0x08            /* supports eject */
   62 #define ATAPI_TAPE_CAP_PAGE_DIS 0x10            /* can break request > ctl */
   63 #define ATAPI_TAPE_CAP_PAGE_ECC 0x40            /* supports error correction */
   64 #define ATAPI_TAPE_CAP_PAGE_CMP 0x80            /* supports data compression */
   65     u_int8_t    cap4;
   66 #define ATAPI_TAPE_CAP_PAGE_BLK512 0x02         /* supports 512b block size */
   67 #define ATAPI_TAPE_CAP_PAGE_BLK1K 0x04          /* supports 1024b block size */
   68 #define ATAPI_TAPE_CAP_PAGE_BLK32K 0x80         /* supports 32kb block size */
   69     u_int16_t   max_speed;                      /* supported speed in KBps */
   70     u_int16_t   max_defects;                    /* max stored defect entries */
   71     u_int16_t   ctl;                            /* continuous transfer limit */
   72     u_int16_t   speed;                          /* current Speed, in KBps */
   73     u_int16_t   buffer_size;                    /* buffer Size, in 512 bytes */
   74     u_int8_t    reserved18;
   75     u_int8_t    reserved19;
   76 };
   77 
   78 /* ATAPI OnStream ADR data transfer mode page (ADR unique) */
   79 struct ast_transferpage {
   80     /* mode page data header */
   81     u_int8_t    data_length;                    /* total length of data */
   82     u_int8_t    medium_type;                    /* medium type (if any) */
   83     u_int8_t    dsp;                            /* device specific parameter */
   84     u_int8_t    blk_desc_len;                   /* block Descriptor Length */
   85 
   86     /* data transfer page */
   87     u_int8_t    page_code       :6;
   88 #define ATAPI_TAPE_TRANSFER_PAGE     0x30
   89 
   90     u_int8_t    reserved0_6     :1;
   91     u_int8_t    ps              :1;             /* parameters saveable */
   92     u_int8_t    page_length;                    /* page Length == 0x02 */
   93     u_int8_t    reserved2;
   94     u_int8_t    read32k         :1;             /* 32k blk size (data only) */
   95     u_int8_t    read32k5        :1;             /* 32.5k blk size (data&AUX) */
   96     u_int8_t    reserved3_23    :2;
   97     u_int8_t    write32k        :1;             /* 32k blk size (data only) */
   98     u_int8_t    write32k5       :1;             /* 32.5k blk size (data&AUX) */
   99     u_int8_t    reserved3_6     :1;
  100     u_int8_t    streaming       :1;             /* streaming mode enable */
  101 };
  102 
  103 /* ATAPI OnStream ADR vendor identification mode page (ADR unique) */
  104 struct ast_identifypage {
  105     /* mode page data header */
  106     struct scsipi_mode_header header;
  107     /* data transfer page */
  108     u_int8_t    page_code;
  109 #define ATAPI_TAPE_IDENTIFY_PAGE     0x36
  110     u_int8_t    page_length;                    /* page Length == 0x06 */
  111     u_int8_t    ident[4];                       /* host id string */
  112     u_int8_t    reserved6;
  113     u_int8_t    reserved7;
  114 };

Cache object: e622f3a8a9d129161fb9ab1d2bbb0ef7


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