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[PATCH 5/7] s390x/pci: clean up s390 PCI groups
From: |
Matthew Rosato |
Subject: |
[PATCH 5/7] s390x/pci: clean up s390 PCI groups |
Date: |
Sat, 19 Sep 2020 11:34:30 -0400 |
Add a step to remove all stashed PCI groups to avoid stale data between
machine resets.
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
---
hw/s390x/s390-pci-bus.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c
index 3015d86..d6666c2 100644
--- a/hw/s390x/s390-pci-bus.c
+++ b/hw/s390x/s390-pci-bus.c
@@ -811,6 +811,17 @@ static void s390_pcihost_realize(DeviceState *dev, Error
**errp)
S390_ADAPTER_SUPPRESSIBLE, errp);
}
+static void s390_pcihost_unrealize(DeviceState *dev)
+{
+ S390PCIGroup *grp;
+ S390pciState *s = S390_PCI_HOST_BRIDGE(dev);
+
+ while (!QTAILQ_EMPTY(&s->zpci_grps)) {
+ grp = QTAILQ_FIRST(&s->zpci_grps);
+ QTAILQ_REMOVE(&s->zpci_grps, grp, link);
+ }
+}
+
static int s390_pci_msix_init(S390PCIBusDevice *pbdev)
{
char *name;
@@ -1165,6 +1176,7 @@ static void s390_pcihost_class_init(ObjectClass *klass,
void *data)
dc->reset = s390_pcihost_reset;
dc->realize = s390_pcihost_realize;
+ dc->unrealize = s390_pcihost_unrealize;
hc->pre_plug = s390_pcihost_pre_plug;
hc->plug = s390_pcihost_plug;
hc->unplug_request = s390_pcihost_unplug_request;
--
1.8.3.1