dvdio.h

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    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_ */

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sys/sys/dvdio.h