sys/dev/scsipi/atapi_tape.h

   1 /*      $NetBSD: atapi_tape.h,v 1.2.16.2 2005/03/04 16:50:32 skrll 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 scsi_mode_parameter_header_6 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 scsi_mode_parameter_header_6 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 };