1 /*
2 * DDK information for DVD
3 *
4 * Copyright (C) 2004 Uwe Bonnes
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #ifndef __NTDDCDVD_H
22 #define __NTDDCDVD_H
23
24 /* definitions taken from libdvdcss, modified to reflect Windows names and data types in places */
25
26 #define IOCTL_DVD_BASE FILE_DEVICE_DVD
27
28 #define IOCTL_DVD_START_SESSION CTL_CODE(IOCTL_DVD_BASE, 0x0400, METHOD_BUFFERED, FILE_READ_ACCESS)
29 #define IOCTL_DVD_READ_KEY CTL_CODE(IOCTL_DVD_BASE, 0x0401, METHOD_BUFFERED, FILE_READ_ACCESS)
30 #define IOCTL_DVD_SEND_KEY CTL_CODE(IOCTL_DVD_BASE, 0x0402, METHOD_BUFFERED, FILE_READ_ACCESS)
31 #define IOCTL_DVD_END_SESSION CTL_CODE(IOCTL_DVD_BASE, 0x0403, METHOD_BUFFERED, FILE_READ_ACCESS)
32 #define IOCTL_DVD_SET_READ_AHEAD CTL_CODE(IOCTL_DVD_BASE, 0x0404, METHOD_BUFFERED, FILE_READ_ACCESS)
33 #define IOCTL_DVD_GET_REGION CTL_CODE(IOCTL_DVD_BASE, 0x0405, METHOD_BUFFERED, FILE_READ_ACCESS)
34 #define IOCTL_DVD_SEND_KEY2 CTL_CODE(IOCTL_DVD_BASE, 0x0406, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
35
36 #define IOCTL_DVD_READ_STRUCTURE CTL_CODE(IOCTL_DVD_BASE, 0x0450, METHOD_BUFFERED, FILE_READ_ACCESS)
37
38 typedef enum {
39 DvdChallengeKey = 0x01,
40 DvdBusKey1,
41 DvdBusKey2,
42 DvdTitleKey,
43 DvdAsf,
44 DvdSetRpcKey = 0x6,
45 DvdGetRpcKey = 0x8,
46 DvdDiskKey = 0x80,
47 DvdInvalidateAGID = 0x3f
48 } DVD_KEY_TYPE;
49
50 typedef ULONG DVD_SESSION_ID, *PDVD_SESSION_ID;
51
52 typedef struct _DVD_COPY_PROTECT_KEY {
53 ULONG KeyLength;
54 DVD_SESSION_ID SessionId;
55 DVD_KEY_TYPE KeyType;
56 ULONG KeyFlags;
57 union {
58 struct {
59 ULONG FileHandle;
60 ULONG Reserved; /* used for NT alignment */
61 } s;
62 LARGE_INTEGER TitleOffset;
63 } Parameters;
64 UCHAR KeyData[1];
65 } DVD_COPY_PROTECT_KEY, *PDVD_COPY_PROTECT_KEY;
66
67 typedef struct _DVD_RPC_KEY {
68 UCHAR UserResetsAvailable:3;
69 UCHAR ManufacturerResetsAvailable:3;
70 UCHAR TypeCode:2;
71 UCHAR RegionMask;
72 UCHAR RpcScheme;
73 UCHAR Reserved2[1];
74 } DVD_RPC_KEY, * PDVD_RPC_KEY;
75
76 typedef struct _DVD_ASF {
77 UCHAR Reserved0[3];
78 UCHAR SuccessFlag:1;
79 UCHAR Reserved1:7;
80 } DVD_ASF, * PDVD_ASF;
81
82 typedef struct _DVD_REGION
83 {
84 UCHAR CopySystem;
85 UCHAR RegionData; /* current media region (not playable when set) */
86 UCHAR SystemRegion; /* current drive region (playable when set) */
87 UCHAR ResetCount; /* number of resets available */
88 } DVD_REGION, * PDVD_REGION;
89
90 typedef enum _DVD_STRUCTURE_FORMAT
91 {
92 DvdPhysicalDescriptor,
93 DvdCopyrightDescriptor,
94 DvdDiskKeyDescriptor,
95 DvdBCADescriptor,
96 DvdManufacturerDescriptor,
97 DvdMaxDescriptor
98 } DVD_STRUCTURE_FORMAT, *PDVD_STRUCTURE_FORMAT;
99
100 typedef struct _DVD_READ_STRUCTURE {
101 /* Contains an offset to the logical block address of the descriptor to be retrieved. */
102 LARGE_INTEGER BlockByteOffset;
103
104 /* 0:Physical descriptor, 1:Copyright descriptor, 2:Disk key descriptor
105 3:BCA descriptor, 4:Manufacturer descriptor, 5:Max descriptor
106 */
107 DVD_STRUCTURE_FORMAT Format;
108
109 /* Session ID, that is obtained by IOCTL_DVD_START_SESSION */
110 DVD_SESSION_ID SessionId;
111
112 /* From 0 to 4 */
113 UCHAR LayerNumber;
114 }DVD_READ_STRUCTURE, * PDVD_READ_STRUCTURE;
115
116 typedef struct _DVD_LAYER_DESCRIPTOR
117 {
118 UCHAR BookVersion : 4;
119
120 /* 0:DVD-ROM, 1:DVD-RAM, 2:DVD-R, 3:DVD-RW, 9:DVD-RW */
121 UCHAR BookType : 4;
122
123 UCHAR MinimumRate : 4;
124
125 /* The physical size of the media. 0:120 mm, 1:80 mm. */
126 UCHAR DiskSize : 4;
127
128 /* 1:Read-only layer, 2:Recordable layer, 4:Rewritable layer */
129 UCHAR LayerType : 4;
130
131 /* 0:parallel track path, 1:opposite track path */
132 UCHAR TrackPath : 1;
133
134 /* 0:one layers, 1:two layers, and so on */
135 UCHAR NumberOfLayers : 2;
136
137 UCHAR Reserved1 : 1;
138
139 /* 0:0.74 µm/track, 1:0.80 µm/track, 2:0.615 µm/track */
140 UCHAR TrackDensity : 4;
141
142 /* 0:0.267 µm/bit, 1:0.293 µm/bit, 2:0.409 to 0.435 µm/bit, 4:0.280 to 0.291 µm/bit, 8:0.353 µm/bit */
143 UCHAR LinearDensity : 4;
144
145 /* Must be either 0x30000:DVD-ROM or DVD-R/-RW or 0x31000:DVD-RAM or DVD+RW */
146 ULONG StartingDataSector;
147
148 ULONG EndDataSector;
149 ULONG EndLayerZeroSector;
150 UCHAR Reserved5 : 7;
151
152 /* 0 indicates no BCA data */
153 UCHAR BCAFlag : 1;
154
155 UCHAR Reserved6;
156 }DVD_LAYER_DESCRIPTOR, * PDVD_LAYER_DESCRIPTOR;
157
158 typedef struct _DVD_COPYRIGHT_DESCRIPTOR
159 {
160 UCHAR CopyrightProtectionType;
161 UCHAR RegionManagementInformation;
162 USHORT Reserved;
163 }DVD_COPYRIGHT_DESCRIPTOR, * PDVD_COPYRIGHT_DESCRIPTOR;
164
165 typedef struct _DVD_DISK_KEY_DESCRIPTOR
166 {
167 UCHAR DiskKeyData[2048];
168 }DVD_DISK_KEY_DESCRIPTOR, * PDVD_DISK_KEY_DESCRIPTOR;
169
170 typedef struct _DVD_BCA_DESCRIPTOR
171 {
172 UCHAR BCAInformation[1];
173 }DVD_BCA_DESCRIPTOR, * PDVD_BCA_DESCRIPTOR;
174
175 typedef struct _DVD_MANUFACTURER_DESCRIPTOR
176 {
177 UCHAR ManufacturingInformation[2048];
178 }DVD_MANUFACTURER_DESCRIPTOR, * PDVD_MANUFACTURER_DESCRIPTOR;
179
180 #define DVD_CHALLENGE_KEY_LENGTH (12 + sizeof(DVD_COPY_PROTECT_KEY) - sizeof(UCHAR))
181
182 #define DVD_DISK_KEY_LENGTH (2048 + sizeof(DVD_COPY_PROTECT_KEY) - sizeof(UCHAR))
183
184 #define DVD_KEY_SIZE 5
185 #define DVD_CHALLENGE_SIZE 10
186 #define DVD_DISCKEY_SIZE 2048
187 #define DVD_SECTOR_PROTECTED 0x00000020
188
189 #endif /* __NTDDCDVD_H */
190
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