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[unix-history] / usr / src / sys / vax / stand / conf.c

/*      conf.c  4.9     81/12/01        */

#include "../h/param.h"
#include "../h/inode.h"
#include "../h/pte.h"
#include "../h/mbareg.h"
#include "saio.h"

devread(io)
       register struct iob *io;
{

       return( (*devsw[io->i_ino.i_dev].dv_strategy)(io, READ) );
}

devwrite(io)
       register struct iob *io;
{

       return( (*devsw[io->i_ino.i_dev].dv_strategy)(io, WRITE) );
}

devopen(io)
       register struct iob *io;
{

       (*devsw[io->i_ino.i_dev].dv_open)(io);
}

devclose(io)
       register struct iob *io;
{

       (*devsw[io->i_ino.i_dev].dv_close)(io);
}

nullsys()
{

       ;
}

int     nullsys();
int     hpstrategy(), hpopen();
int     htstrategy(), htopen(), htclose();
int     upstrategy(), upopen();
int     tmstrategy(), tmopen(), tmclose();
int     tsstrategy(), tsopen(), tsclose();
int     mtstrategy(), mtopen(), mtclose();
int     rkstrategy(), rkopen();
int     udstrategy(), udopen();
int     utstrategy(), utopen(), utclose();

struct devsw devsw[] = {
       "hp",   hpstrategy,     hpopen,         nullsys,
       "ht",   htstrategy,     htopen,         htclose,
       "up",   upstrategy,     upopen,         nullsys,
       "tm",   tmstrategy,     tmopen,         tmclose,
       "hk",   rkstrategy,     rkopen,         nullsys,
       "ts",   tsstrategy,     tsopen,         tsclose,
       "mt",   mtstrategy,     mtopen,         mtclose,
       "ra",   udstrategy,     udopen,         nullsys,
       "ut",   utstrategy,     utopen,         utclose,
       0,0,0,0
};