/*    This is os.device.inc include file     */

/* The entry point of each device must be    */
/* a procedure of the format:                */
/*                                           */
/*   OsDevice : PROCEDURE (req, pCB, pError);*/
/*                                           */
/* where pCB points to a control block and   */
/* pError points to a place to put the error */
/* and request is a word.                    */

/*    Request codes      */

DCL ddInitialize LIT '0';
DCL ddGetStatus LIT '1';
DCL ddOpen LIT '2';
DCL ddClose LIT '3';
DCL ddRead LIT '4';
DCL ddWrite LIT '5';
DCL ddSeek LIT '6';
DCL ddTruncate LIT '7';
DCL ddAttach LIT '8';
DCL ddDetach LIT '9';
DCL ddRename LIT '10';
DCL ddDelete LIT '11';
DCL ddReadDesc LIT '12';
DCL ddWriteDesc LIT '13';
DCL ddFlush LIT '14';
DCL ddWaitSRQ LIT '15';
DCL ddSelfTest LIT '16';
DCL ddFormat LIT '17';
DCL ddSetStatus LIT '20';
DCL ddDeactivate LIT '21';

DCL ddTrackFormat LIT '22';
DCL ddControllerTest LIT '23';
DCL ddRamTest LIT '24';
DCL ddDriveTest LIT '25';
DCL ddProg LIT '26';
DCL ddWriteProtect LIT   '27';
DCL ddBufferCommand LIT  '28';
DCL ddReadDirPage   LIT  '29';
DCL ddSignon        LIT  '30';
DCL ddSignOff       LIT  '31';
DCL ddSend          LIT  '32';
DCL ddRemoteCopy    LIT  '33';
DCL ddGetMoreStatus LIT  '34';
DCL ddReadRamBuffer LIT  '35';
DCL ddWriteRamBuffer LIT '36';
DCL ddVerifyMedia   LIT  '40';
DCL ddReadVolName   LIT  '41';
DCL ddAddMassVolName LIT  '42'; /* For GBridge */

DCL ddConnect       LIT '100';
DCL ddDisConnect    LIT '101';
DCL ddWaitConnect   LIT '102';


/*    Structure Types            */

DCL ParamListType LIT 'STRUCTURE
   (connection SELECTOR,
   pBuffer PTR,
   position DWORD,
   length WORD,
   mode BYTE,
   numbuf BYTE,
   intAddr BYTE,
   pOverflow PTR)';

DCL GetConnStatusType LIT 'STRUCTURE
   (open BYTE,
   access BYTE,
   seek BYTE,
   filePosition DWORD)';

DCL MSStatusType LIT 'STRUCTURE
(pageSize WORD,
logPageSize WORD,
numPages WORD,
driveReady BYTE,
bitMapFID WORD,
directoryFID WORD,
minDirPage WORD,
mode BYTE,
name (32) BYTE,
bytePerSec WORD,
secPerTrk WORD,
trkPerCyl WORD)';