On Tue, 14 Jul 2020 13:15:48 +0200 Pierre Morel <pmorel@xxxxxxxxxxxxx> wrote: > After a channel is enabled we start a SENSE_ID command using > the SSCH instruction to recognize the control unit and device. > > This tests the success of SSCH, the I/O interruption and the TSCH > instructions. > > The SENSE_ID command response is tested to report 0xff inside > its reserved field and to report the same control unit type > as the cu_type kernel argument. > > Without the cu_type kernel argument, the test expects a device > with a default control unit type of 0x3832, a.k.a virtio-net-ccw. > > Signed-off-by: Pierre Morel <pmorel@xxxxxxxxxxxxx> > --- > lib/s390x/asm/arch_def.h | 1 + > lib/s390x/css.h | 35 ++++++++ > lib/s390x/css_lib.c | 180 +++++++++++++++++++++++++++++++++++++++ > s390x/css.c | 80 +++++++++++++++++ > 4 files changed, 296 insertions(+) Other than the padding issue, looks good to me now.
