2 * Copyright (c) 1998 - 2006 Søren Schmidt <sos@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 * $FreeBSD: src/sys/dev/ata/atapi-tape.h,v 1.24 2006/01/05 21:27:19 sos Exp $
27 * $DragonFly: src/sys/dev/disk/nata/atapi-tape.h,v 1.1 2006/12/04 14:40:37 tgen Exp $
30 #include <sys/param.h>
31 #include <sys/devicestat.h>
33 /* ATAPI tape drive Capabilities and Mechanical Status Page */
35 /* mode page data header */
36 u_int8_t data_length; /* total length of data */
37 u_int8_t medium_type; /* medium type (if any) */
39 u_int8_t mode :3; /* buffering mode */
40 u_int8_t write_protect :1; /* media is writeprotected */
41 u_int8_t blk_desc_len; /* block Descriptor Length */
43 /* capabilities page */
44 u_int8_t page_code :6;
45 #define ATAPI_TAPE_CAP_PAGE 0x2a
47 u_int8_t reserved0_6 :1;
48 u_int8_t ps :1; /* parameters saveable */
49 u_int8_t page_length; /* page Length == 0x12 */
52 u_int8_t readonly :1; /* read Only Mode */
53 u_int8_t reserved4_1234 :4;
54 u_int8_t reverse :1; /* supports reverse direction */
55 u_int8_t reserved4_67 :2;
56 u_int8_t reserved5_012 :3;
57 u_int8_t eformat :1; /* supports ERASE formatting */
58 u_int8_t reserved5_4 :1;
59 u_int8_t qfa :1; /* supports QFA formats */
60 u_int8_t reserved5_67 :2;
61 u_int8_t lock :1; /* supports locking media */
62 u_int8_t locked :1; /* the media is locked */
63 u_int8_t prevent :1; /* defaults to prevent state */
64 u_int8_t eject :1; /* supports eject */
65 u_int8_t disconnect :1; /* can break request > ctl */
66 u_int8_t reserved6_5 :1;
67 u_int8_t ecc :1; /* supports error correction */
68 u_int8_t compress :1; /* supports data compression */
69 u_int8_t reserved7_0 :1;
70 u_int8_t blk512 :1; /* supports 512b block size */
71 u_int8_t blk1024 :1; /* supports 1024b block size */
72 u_int8_t reserved7_3456 :4;
73 u_int8_t blk32k :1; /* supports 32kb block size */
74 u_int16_t max_speed; /* supported speed in KBps */
75 u_int16_t max_defects; /* max stored defect entries */
76 u_int16_t ctl; /* continuous transfer limit */
77 u_int16_t speed; /* current Speed, in KBps */
78 u_int16_t buffer_size; /* buffer Size, in 512 bytes */
83 /* ATAPI OnStream ADR data transfer mode page (ADR unique) */
84 struct ast_transferpage {
85 /* mode page data header */
86 u_int8_t data_length; /* total length of data */
87 u_int8_t medium_type; /* medium type (if any) */
88 u_int8_t dsp; /* device specific parameter */
89 u_int8_t blk_desc_len; /* block Descriptor Length */
91 /* data transfer page */
92 u_int8_t page_code :6;
93 #define ATAPI_TAPE_TRANSFER_PAGE 0x30
95 u_int8_t reserved0_6 :1;
96 u_int8_t ps :1; /* parameters saveable */
97 u_int8_t page_length; /* page Length == 0x02 */
99 u_int8_t read32k :1; /* 32k blk size (data only) */
100 u_int8_t read32k5 :1; /* 32.5k blk size (data&AUX) */
101 u_int8_t reserved3_23 :2;
102 u_int8_t write32k :1; /* 32k blk size (data only) */
103 u_int8_t write32k5 :1; /* 32.5k blk size (data&AUX) */
104 u_int8_t reserved3_6 :1;
105 u_int8_t streaming :1; /* streaming mode enable */
108 /* ATAPI OnStream ADR vendor identification mode page (ADR unique) */
109 struct ast_identifypage {
110 /* mode page data header */
111 u_int8_t data_length; /* total length of data */
112 u_int8_t medium_type; /* medium type (if any) */
113 u_int8_t dsp; /* device specific parameter */
114 u_int8_t blk_desc_len; /* block Descriptor Length */
116 /* data transfer page */
117 u_int8_t page_code :6;
118 #define ATAPI_TAPE_IDENTIFY_PAGE 0x36
120 u_int8_t reserved0_6 :1;
121 u_int8_t ps :1; /* parameters saveable */
122 u_int8_t page_length; /* page Length == 0x06 */
123 u_int8_t ident[4]; /* host id string */
128 /* ATAPI read position structure */
129 struct ast_readposition {
130 u_int8_t reserved0_05 :6;
131 u_int8_t eop :1; /* end of partition */
132 u_int8_t bop :1; /* beginning of partition */
136 u_int32_t host; /* frame address in buffer */
137 u_int32_t tape; /* frame address on tape */
141 u_int8_t blks_in_buf; /* blocks in buffer */
149 int flags; /* device state flags */
150 #define F_CTL_WARN 0x0001 /* warned about CTL wrong? */
151 #define F_WRITEPROTECT 0x0002 /* media is writeprotected */
152 #define F_DATA_WRITTEN 0x0004 /* data has been written */
153 #define F_FM_WRITTEN 0x0008 /* filemark has been written */
154 #define F_ONSTREAM 0x0100 /* OnStream ADR device */
156 int blksize; /* block size (512 | 1024) */
157 struct atapi_params *param; /* drive parameters table */
158 struct ast_cappage cap; /* capabilities page info */
159 struct devstat stats; /* devstat entry */
160 cdev_t cdev1, cdev2; /* device place holders */