atapi_tape.h revision 1.1.2.2 1 /* $NetBSD: atapi_tape.h,v 1.1.2.2 2001/06/21 20:05:40 nathanw Exp $ */
2
3
4 /*-
5 * Copyright (c) 1998,1999,2000,2001 Sren 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 #define ATAPI_TAPE_CAP_PAGE_
55 u_int8_t cap2;
56 #define ATAPI_TAPE_CAP_PAGE_EF 0x08; /* supports ERASE formatting */
57 #define ATAPI_TAPE_CAP_PAGE_QFA 0x20 /* supports QFA formats */
58 u_int8_t cap3;
59 #define ATAPI_TAPE_CAP_PAGE_LCK 0x01 /* supports locking media */
60 #define ATAPI_TAPE_CAP_PAGE_LCKED 0x02 /* the media is locked */
61 #define ATAPI_TAPE_CAP_PAGE_PRV 0x04 /* defaults to prevent state */
62 #define ATAPI_TAPE_CAP_PAGE_EJ 0x08 /* supports eject */
63 #define ATAPI_TAPE_CAP_PAGE_DIS 0x10 /* can break request > ctl */
64 #define ATAPI_TAPE_CAP_PAGE_ECC 0x40 /* supports error correction */
65 #define ATAPI_TAPE_CAP_PAGE_CMP 0x80 /* supports data compression */
66 u_int8_t cap4;
67 #define ATAPI_TAPE_CAP_PAGE_BLK512 0x02 /* supports 512b block size */
68 #define ATAPI_TAPE_CAP_PAGE_BLK1K 0x04 /* supports 1024b block size */
69 #define ATAPI_TAPE_CAP_PAGE_BLK32K 0x80 /* supports 32kb block size */
70 u_int16_t max_speed; /* supported speed in KBps */
71 u_int16_t max_defects; /* max stored defect entries */
72 u_int16_t ctl; /* continuous transfer limit */
73 u_int16_t speed; /* current Speed, in KBps */
74 u_int16_t buffer_size; /* buffer Size, in 512 bytes */
75 u_int8_t reserved18;
76 u_int8_t reserved19;
77 };
78
79 /* ATAPI OnStream ADR data transfer mode page (ADR unique) */
80 struct ast_transferpage {
81 /* mode page data header */
82 u_int8_t data_length; /* total length of data */
83 u_int8_t medium_type; /* medium type (if any) */
84 u_int8_t dsp; /* device specific parameter */
85 u_int8_t blk_desc_len; /* block Descriptor Length */
86
87 /* data transfer page */
88 u_int8_t page_code :6;
89 #define ATAPI_TAPE_TRANSFER_PAGE 0x30
90
91 u_int8_t reserved0_6 :1;
92 u_int8_t ps :1; /* parameters saveable */
93 u_int8_t page_length; /* page Length == 0x02 */
94 u_int8_t reserved2;
95 u_int8_t read32k :1; /* 32k blk size (data only) */
96 u_int8_t read32k5 :1; /* 32.5k blk size (data&AUX) */
97 u_int8_t reserved3_23 :2;
98 u_int8_t write32k :1; /* 32k blk size (data only) */
99 u_int8_t write32k5 :1; /* 32.5k blk size (data&AUX) */
100 u_int8_t reserved3_6 :1;
101 u_int8_t streaming :1; /* streaming mode enable */
102 };
103
104 /* ATAPI OnStream ADR vendor identification mode page (ADR unique) */
105 struct ast_identifypage {
106 /* mode page data header */
107 u_int8_t data_length; /* total length of data */
108 u_int8_t medium_type; /* medium type (if any) */
109 u_int8_t dsp; /* device specific parameter */
110 u_int8_t blk_desc_len; /* block Descriptor Length */
111
112 /* data transfer page */
113 u_int8_t page_code :6;
114 #define ATAPI_TAPE_IDENTIFY_PAGE 0x36
115
116 u_int8_t reserved0_6 :1;
117 u_int8_t ps :1; /* parameters saveable */
118 u_int8_t page_length; /* page Length == 0x06 */
119 u_int8_t ident[4]; /* host id string */
120 u_int8_t reserved6;
121 u_int8_t reserved7;
122 };
123