Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include <disk.h>
#include "scsireq.h"

long
SReinitialise(ScsiReq *rp)
{
        uchar cmd[6];

        memset(cmd, 0, sizeof(cmd));
        cmd[0] = ScmdEInitialise;
        rp->cmd.p = cmd;
        rp->cmd.count = sizeof(cmd);
        rp->data.p = cmd;
        rp->data.count = 0;
        rp->data.write = 1;
        return SRrequest(rp);
}

long
SRmmove(ScsiReq *rp, int transport, int source, int destination, int invert)
{
        uchar cmd[12];

        memset(cmd, 0, sizeof(cmd));
        cmd[0] = ScmdMMove;
        cmd[2] = transport>>8;
        cmd[3] = transport;
        cmd[4] = source>>8;
        cmd[5] = source;
        cmd[6] = destination>>8;
        cmd[7] = destination;
        cmd[10] = invert & 0x01;
        rp->cmd.p = cmd;
        rp->cmd.count = sizeof(cmd);
        rp->data.p = cmd;
        rp->data.count = 0;
        rp->data.write = 1;
        return SRrequest(rp);
}

long
SRestatus(ScsiReq *rp, uchar type, uchar *list, int nbytes)
{
        uchar cmd[12];

        memset(cmd, 0, sizeof(cmd));
        cmd[0] = ScmdEStatus;
        cmd[1] = type & 0x07;
        cmd[4] = 0xFF;
        cmd[5] = 0xFF;
        cmd[7] = nbytes>>16;
        cmd[8] = nbytes>>8;
        cmd[9] = nbytes;
        rp->cmd.p = cmd;
        rp->cmd.count = sizeof(cmd);
        rp->data.p = list;
        rp->data.count = nbytes;
        rp->data.write = 0;
        return SRrequest(rp);
}