SCCMD_READ
if (scsireq->flags & SCCMD_READ)
scsireq->flags = SCCMD_READ;
len, data, SCCMD_READ,
if (ISSET(screq->flags, SCCMD_READ))
if (screq->datalen > 0 && ISSET(screq->flags, SCCMD_READ)) {
scr.flags = SCCMD_ESCAPE | SCCMD_READ;
scr.flags = SCCMD_ESCAPE | SCCMD_READ;
scr.flags = SCCMD_ESCAPE|SCCMD_READ;
scr.flags = SCCMD_ESCAPE|SCCMD_READ;
scr.flags = SCCMD_ESCAPE|SCCMD_READ;
scr.flags = SCCMD_ESCAPE | SCCMD_READ;