1 /*        $NetBSD: atapi_tape.h,v 1.6 2005/12/11 12:23:50 christos Exp $        */
2 
3 
4 /*-
5  * Copyright (c) 1998,1999,2000,2001 S�ren 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 };
115