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s390x/pci: avoid double enable/disable of aif

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Use a flag to keep track of whether AIF is currently enabled.  This can be
used to avoid enabling/disabling AIF multiple times as well as to determine
whether or not it should be disabled during reset processing.

Fixes: d0bc7091c2 ("s390x/pci: enable adapter event notification for interpreted devices")
Reported-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-ID: <20240118185151.265329-2-mjrosato@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Matthew Rosato 2024-01-18 13:51:49 -05:00 • committed by Thomas Huth
parent 88cf5fec91
commit 07b2c8e034
2 changed files with 24 additions and 2 deletions
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include/hw/s390x/s390-pci-bus.h
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@ -361,6 +361,7 @@ struct S390PCIBusDevice {
bool unplug_requested;
bool interp;
bool forwarding_assist;
bool aif;
QTAILQ_ENTRY(S390PCIBusDevice) link;
};