Matthew Rosato 68c691ca99 s390x/pci: drive ISM reset from subsystem reset ... ISM devices are sensitive to manipulation of the IOMMU, so the ISM device needs to be reset before the vfio-pci device is reset (triggering a full UNMAP). In order to ensure this occurs, trigger ISM device resets from subsystem_reset before triggering the PCI bus reset (which will also trigger vfio-pci reset). This only needs to be done for ISM devices which were enabled for use by the guest. Further, ensure that AIF is disabled as part of the reset event. Fixes: ef1535901a ("s390x: do a subsystem reset before the unprotect on reboot") Fixes: 03451953c7 ("s390x/pci: reset ISM passthrough devices on shutdown and system reset") Reported-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com> Message-ID: <20240118185151.265329-4-mjrosato@linux.ibm.com> Reviewed-by: Eric Farman <farman@linux.ibm.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>		2024-01-19 11:38:32 +01:00
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3270-ccw.h
adapter.h
ap-bridge.h
ap-device.h
cpu-topology.h	s390x/cpu topology: resetting the Topology-Change-Report	2023-10-20 07:16:53 +02:00
css-bridge.h
css.h	hw/s390x/css: Have css_do_sic() take S390CPU instead of CPUS390XState	2023-11-07 12:32:39 +01:00
ebcdic.h
event-facility.h
ioinst.h
s390_flic.h
s390-ccw.h
s390-pci-bus.h	s390x/pci: drive ISM reset from subsystem reset	2024-01-19 11:38:32 +01:00
s390-pci-clp.h
s390-pci-inst.h
s390-pci-kvm.h
s390-pci-vfio.h
s390-virtio-ccw.h	s390x/cpu topology: interception of PTF instruction	2023-10-20 07:16:53 +02:00
sclp.h	* Fix s390x CPU reconfiguration information in the SCLP facility map	2023-11-08 20:34:36 +08:00
storage-attributes.h
storage-keys.h
tod.h
vfio-ccw.h	vfio/ccw: Remove redundant definition of TYPE_VFIO_CCW	2023-10-18 10:10:49 +02:00