source: trunk/minix/lib/syslib/sys_sdevio.c@ 20

#include "syslib.h"

/*===========================================================================*
 *                                sys_sdevio                                 *
 *===========================================================================*/
PUBLIC int sys_sdevio(req, port, type, proc_nr, buffer, count)
int req;                                /* request: DIO_INPUT/ DIO_OUTPUT */
long port;                              /* port address to read from */
int type;                               /* byte, word, long */
int proc_nr;                            /* process where buffer is */
void *buffer;                           /* pointer to buffer */
int count;                              /* number of elements */
{
    message m_io;
    int result;

    m_io.DIO_REQUEST = req;
    m_io.DIO_TYPE = type;
    m_io.DIO_PORT = port;
    m_io.DIO_VEC_ENDPT = proc_nr;
    m_io.DIO_VEC_ADDR = buffer;
    m_io.DIO_VEC_SIZE = count;

    return(_taskcall(SYSTASK, SYS_SDEVIO, &m_io));
}