rfsinit.c

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#include <xinu.h>

struct rfdata Rf_data;

/*------------------------------------------------------------------------
 *  rfsinit  -  Initialize the remote file system master device
 *------------------------------------------------------------------------
 */
devcall rfsinit(
    struct dentry *devptr /* Entry in device switch table   */
)
{

    /* Choose an initial message sequence number */

    Rf_data.rf_seq = 1;

    /* Set the server IP address, server port, and local port */

    if (dot2ip(RF_SERVER_IP, &Rf_data.rf_ser_ip) == SYSERR)
    {
        panic("invalid IP address for remote file server");
    }
    Rf_data.rf_ser_port = RF_SERVER_PORT;
    Rf_data.rf_loc_port = RF_LOC_PORT;

    /* Create a mutual exclusion semaphore */

    if ((Rf_data.rf_mutex = semcreate(1)) == SYSERR)
    {
        panic("Cannot create remote file system semaphore");
    }

    /* Specify that the server port is not yet registered */

    Rf_data.rf_registered = FALSE;

    return OK;
}