Hi,
this is the QEMU companion patchset to "vfio-ccw: support for {halt,clear}
subchannel", but is interface-wise independent of it.
With an old host kernel, things should work as before. With a new host
kernel, guest halt/clear requests should get passed through to the host.
I tested this with a hacked-up guest kernel to issue clears on demand.
Cornelia Huck (2):
vfio-ccw: forward halt/clear to device if supported
s390/css: add some tracing for pass-through handling
hw/s390x/css.c | 38 ++++++++++++++++++++++++++++++++++----
hw/s390x/trace-events | 4 ++++
hw/vfio/ccw.c | 11 +++++++++--
include/hw/s390x/css.h | 10 +++++++---
4 files changed, 54 insertions(+), 9 deletions(-)
--
2.14.3
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