The vfio-ccw module does the check too, and there is actually no
technical obstacle for supporting fmt 1 idaws. Let us be ready for the
beautiful day when fmt 1 idaws become supported by the vfio-ccw kernel
module. QEMU does not have to do a thing for that, except not insisting
on this check.
Signed-off-by: Halil Pasic <pasic@linux.ibm.com>
Acked-by: Jason J. Herne <jjherne@linux.ibm.com>
Tested-by: Jason J. Herne <jjherne@linux.ibm.com>
Message-Id: <
20180524175828.3143-3-pasic@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
assert(orb != NULL);
p->intparm = orb->intparm;
}
-
- /*
- * Only support prefetch enable mode.
- * Only support 64bit addressing idal.
- */
- if (!(orb->ctrl0 & ORB_CTRL0_MASK_C64)) {
- warn_report("vfio-ccw requires PFCH and C64 flags set");
- sch_gen_unit_exception(sch);
- css_inject_io_interrupt(sch);
- return IOINST_CC_EXPECTED;
- }
return s390_ccw_cmd_request(sch);
}