| 1 | /* $NetBSD: dvdio.h,v 1.8 2005/12/26 18:41:36 perry Exp $ */ |
| 2 | |
| 3 | #ifndef _SYS_DVDIO_H_ |
| 4 | #define _SYS_DVDIO_H_ |
| 5 | |
| 6 | #include <sys/types.h> |
| 7 | #include <sys/ioccom.h> |
| 8 | |
| 9 | /* DVD-ROM Specific ioctls */ |
| 10 | #define DVD_READ_STRUCT _IOWR('d', 0, dvd_struct) |
| 11 | #define DVD_WRITE_STRUCT _IOWR('d', 1, dvd_struct) |
| 12 | #define DVD_AUTH _IOWR('d', 2, dvd_authinfo) |
| 13 | |
| 14 | #define GPCMD_READ_DVD_STRUCTURE 0xad |
| 15 | #define GPCMD_SEND_DVD_STRUCTURE 0xad |
| 16 | #define GPCMD_REPORT_KEY 0xa4 |
| 17 | #define GPCMD_SEND_KEY 0xa3 |
| 18 | |
| 19 | /* DVD struct types */ |
| 20 | #define DVD_STRUCT_PHYSICAL 0x00 |
| 21 | #define DVD_STRUCT_COPYRIGHT 0x01 |
| 22 | #define DVD_STRUCT_DISCKEY 0x02 |
| 23 | #define DVD_STRUCT_BCA 0x03 |
| 24 | #define DVD_STRUCT_MANUFACT 0x04 |
| 25 | |
| 26 | struct dvd_layer { |
| 27 | uint8_t book_version : 4; |
| 28 | uint8_t book_type : 4; |
| 29 | uint8_t min_rate : 4; |
| 30 | uint8_t disc_size : 4; |
| 31 | uint8_t layer_type : 4; |
| 32 | uint8_t track_path : 1; |
| 33 | uint8_t nlayers : 2; |
| 34 | uint8_t track_density : 4; |
| 35 | uint8_t linear_density : 4; |
| 36 | uint8_t bca : 1; |
| 37 | uint32_t start_sector; |
| 38 | uint32_t end_sector; |
| 39 | uint32_t end_sector_l0; |
| 40 | }; |
| 41 | |
| 42 | struct dvd_physical { |
| 43 | uint8_t type; |
| 44 | uint8_t layer_num; |
| 45 | struct dvd_layer layer[4]; |
| 46 | }; |
| 47 | |
| 48 | struct dvd_copyright { |
| 49 | uint8_t type; |
| 50 | |
| 51 | uint8_t layer_num; |
| 52 | uint8_t cpst; |
| 53 | uint8_t rmi; |
| 54 | }; |
| 55 | |
| 56 | struct dvd_disckey { |
| 57 | uint8_t type; |
| 58 | |
| 59 | unsigned agid : 2; |
| 60 | uint8_t value[2048]; |
| 61 | }; |
| 62 | |
| 63 | struct dvd_bca { |
| 64 | uint8_t type; |
| 65 | |
| 66 | int len; |
| 67 | uint8_t value[188]; |
| 68 | }; |
| 69 | |
| 70 | struct dvd_manufact { |
| 71 | uint8_t type; |
| 72 | |
| 73 | uint8_t layer_num; |
| 74 | int len; |
| 75 | uint8_t value[2048]; |
| 76 | }; |
| 77 | |
| 78 | typedef union { |
| 79 | uint8_t type; |
| 80 | |
| 81 | struct dvd_physical physical; |
| 82 | struct dvd_copyright copyright; |
| 83 | struct dvd_disckey disckey; |
| 84 | struct dvd_bca bca; |
| 85 | struct dvd_manufact manufact; |
| 86 | } dvd_struct; |
| 87 | |
| 88 | /* |
| 89 | * DVD authentication ioctl |
| 90 | */ |
| 91 | |
| 92 | /* Authentication states */ |
| 93 | #define DVD_LU_SEND_AGID 0 |
| 94 | #define DVD_HOST_SEND_CHALLENGE 1 |
| 95 | #define DVD_LU_SEND_KEY1 2 |
| 96 | #define DVD_LU_SEND_CHALLENGE 3 |
| 97 | #define DVD_HOST_SEND_KEY2 4 |
| 98 | |
| 99 | /* Termination states */ |
| 100 | #define DVD_AUTH_ESTABLISHED 5 |
| 101 | #define DVD_AUTH_FAILURE 6 |
| 102 | |
| 103 | /* Other functions */ |
| 104 | #define DVD_LU_SEND_TITLE_KEY 7 |
| 105 | #define DVD_LU_SEND_ASF 8 |
| 106 | #define DVD_INVALIDATE_AGID 9 |
| 107 | #define DVD_LU_SEND_RPC_STATE 10 |
| 108 | #define DVD_HOST_SEND_RPC_STATE 11 |
| 109 | |
| 110 | /* State data */ |
| 111 | typedef uint8_t dvd_key[5]; /* 40-bit value, MSB is first elem. */ |
| 112 | typedef uint8_t dvd_challenge[10]; /* 80-bit value, MSB is first elem. */ |
| 113 | |
| 114 | struct dvd_lu_send_agid { |
| 115 | uint8_t type; |
| 116 | unsigned agid : 2; |
| 117 | }; |
| 118 | |
| 119 | struct dvd_host_send_challenge { |
| 120 | uint8_t type; |
| 121 | unsigned agid : 2; |
| 122 | |
| 123 | dvd_challenge chal; |
| 124 | }; |
| 125 | |
| 126 | struct dvd_send_key { |
| 127 | uint8_t type; |
| 128 | unsigned agid : 2; |
| 129 | |
| 130 | dvd_key key; |
| 131 | }; |
| 132 | |
| 133 | struct dvd_lu_send_challenge { |
| 134 | uint8_t type; |
| 135 | unsigned agid : 2; |
| 136 | |
| 137 | dvd_challenge chal; |
| 138 | }; |
| 139 | |
| 140 | #define DVD_CPM_NO_COPYRIGHT 0 |
| 141 | #define DVD_CPM_COPYRIGHTED 1 |
| 142 | |
| 143 | #define DVD_CP_SEC_NONE 0 |
| 144 | #define DVD_CP_SEC_EXIST 1 |
| 145 | |
| 146 | #define DVD_CGMS_UNRESTRICTED 0 |
| 147 | #define DVD_CGMS_SINGLE 2 |
| 148 | #define DVD_CGMS_RESTRICTED 3 |
| 149 | |
| 150 | struct dvd_lu_send_title_key { |
| 151 | uint8_t type; |
| 152 | unsigned agid : 2; |
| 153 | |
| 154 | dvd_key title_key; |
| 155 | int lba; |
| 156 | unsigned cpm : 1; |
| 157 | unsigned cp_sec : 1; |
| 158 | unsigned cgms : 2; |
| 159 | }; |
| 160 | |
| 161 | struct dvd_lu_send_asf { |
| 162 | uint8_t type; |
| 163 | unsigned agid : 2; |
| 164 | |
| 165 | unsigned asf : 1; |
| 166 | }; |
| 167 | |
| 168 | struct dvd_host_send_rpcstate { |
| 169 | uint8_t type; |
| 170 | uint8_t pdrc; |
| 171 | }; |
| 172 | |
| 173 | struct dvd_lu_send_rpcstate { |
| 174 | uint8_t type : 2; |
| 175 | uint8_t vra : 3; |
| 176 | uint8_t ucca : 3; |
| 177 | uint8_t region_mask; |
| 178 | uint8_t rpc_scheme; |
| 179 | }; |
| 180 | |
| 181 | typedef union { |
| 182 | uint8_t type; |
| 183 | |
| 184 | struct dvd_lu_send_agid lsa; |
| 185 | struct dvd_host_send_challenge hsc; |
| 186 | struct dvd_send_key lsk; |
| 187 | struct dvd_lu_send_challenge lsc; |
| 188 | struct dvd_send_key hsk; |
| 189 | struct dvd_lu_send_title_key lstk; |
| 190 | struct dvd_lu_send_asf lsasf; |
| 191 | struct dvd_host_send_rpcstate hrpcs; |
| 192 | struct dvd_lu_send_rpcstate lrpcs; |
| 193 | } dvd_authinfo; |
| 194 | |
| 195 | typedef struct { |
| 196 | uint16_t report_key_length; |
| 197 | uint8_t reserved1[2]; |
| 198 | uint8_t ucca : 3; |
| 199 | uint8_t vra : 3; |
| 200 | uint8_t type_code : 2; |
| 201 | uint8_t region_mask; |
| 202 | uint8_t rpc_scheme; |
| 203 | uint8_t reserved2; |
| 204 | } dvd_rpc_state_t; |
| 205 | |
| 206 | #endif /* _SYS_DVDIO_H_ */ |
| 207 | |