FreeBSD/Linux Kernel Cross Reference
sys/dev/ata/atapi-fd.h
1 /*-
2 * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
14 *
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.
25 *
26 * $FreeBSD: releng/8.4/sys/dev/ata/atapi-fd.h 178067 2008-04-10 13:05:05Z sos $
27 */
28
29 /* ATAPI Rewriteable drive Capabilities and Mechanical Status Page */
30 struct afd_capabilities {
31 u_int16_t data_length;
32 u_int8_t medium_type;
33 #define MFD_2DD_UN 0x10
34 #define MFD_2DD 0x11
35 #define MFD_HD_UN 0x20
36 #define MFD_HD_12_98 0x22
37 #define MFD_HD_12 0x23
38 #define MFD_HD_144 0x24
39 #define MFD_UHD 0x31
40
41 #define MFD_UNKNOWN 0x00
42 #define MFD_NO_DISC 0x70
43 #define MFD_DOOR_OPEN 0x71
44 #define MFD_FMT_ERROR 0x72
45
46 u_int8_t reserved0 :7;
47 u_int8_t wp :1; /* write protect */
48 u_int8_t unused[4];
49
50 /* capabilities page */
51 u_int8_t page_code :6;
52 #define ATAPI_REWRITEABLE_CAP_PAGE 0x05
53
54 u_int8_t reserved1_6 :1;
55 u_int8_t ps :1; /* page save supported */
56 u_int8_t page_length; /* page length */
57 u_int16_t transfer_rate; /* in kilobits per second */
58 u_int8_t heads; /* number of heads */
59 u_int8_t sectors; /* number of sectors pr track */
60 u_int16_t sector_size; /* number of bytes per sector */
61 u_int16_t cylinders; /* number of cylinders */
62 u_int8_t reserved10[10];
63 u_int8_t motor_delay; /* motor off delay */
64 u_int8_t reserved21[7];
65 u_int16_t rpm; /* rotations per minute */
66 u_int8_t reserved30[2];
67 };
68
69 struct afd_capacity {
70 u_int32_t capacity;
71 u_int32_t blocksize;
72 };
73
74 struct afd_capacity_big {
75 u_int64_t capacity;
76 u_int32_t blocksize;
77 };
78
79 struct afd_softc {
80 u_int64_t mediasize;
81 u_int32_t heads;
82 u_int32_t sectors;
83 u_int32_t sectorsize;
84 struct disk *disk; /* virtual drives */
85 };
86
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