From: Matthew Rosato <mjrosato@linux.ibm.com>
To: cohuck@redhat.com, thuth@redhat.com
Cc: pmorel@linux.ibm.com, schnelle@linux.ibm.com, rth@twiddle.net,
david@redhat.com, pasic@linux.ibm.com, borntraeger@de.ibm.com,
mst@redhat.com, pbonzini@redhat.com, alex.williamson@redhat.com,
qemu-s390x@nongnu.org, qemu-devel@nongnu.org,
kvm@vger.kernel.org
Subject: [PATCH v3 07/10] s390x/pci: clean up s390 PCI groups
Date: Wed, 7 Oct 2020 15:04:12 -0400 [thread overview]
Message-ID: <1602097455-15658-8-git-send-email-mjrosato@linux.ibm.com> (raw)
In-Reply-To: <1602097455-15658-1-git-send-email-mjrosato@linux.ibm.com>
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 c99f2f0..c34f14a 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 *group;
+ S390pciState *s = S390_PCI_HOST_BRIDGE(dev);
+
+ while (!QTAILQ_EMPTY(&s->zpci_groups)) {
+ group = QTAILQ_FIRST(&s->zpci_groups);
+ QTAILQ_REMOVE(&s->zpci_groups, group, 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
next prev parent reply other threads:[~2020-10-07 19:04 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-07 19:04 [PATCH v3 00/10] Retrieve zPCI hardware information from VFIO Matthew Rosato
2020-10-07 19:04 ` [PATCH v3 01/10] s390x/pci: Move header files to include/hw/s390x Matthew Rosato
2020-10-09 9:50 ` Cornelia Huck
2020-10-07 19:04 ` [PATCH v3 02/10] vfio: Create shared routine for scanning info capabilities Matthew Rosato
2020-10-07 19:04 ` [PATCH v3 03/10] update-linux-headers: Add vfio_zdev.h Matthew Rosato
2020-10-07 19:04 ` [PATCH v3 04/10] linux-headers: update against 5.9-rc8 Matthew Rosato
2020-10-07 19:04 ` [PATCH v3 05/10] s390x/pci: create a header dedicated to PCI CLP Matthew Rosato
2020-10-07 19:04 ` [PATCH v3 06/10] s390x/pci: use a PCI Group structure Matthew Rosato
2020-10-09 10:53 ` Cornelia Huck
2020-10-07 19:04 ` Matthew Rosato [this message]
2020-10-09 10:54 ` [PATCH v3 07/10] s390x/pci: clean up s390 PCI groups Cornelia Huck
2020-10-07 19:04 ` [PATCH v3 08/10] s390x/pci: use a PCI Function structure Matthew Rosato
2020-10-09 10:56 ` Cornelia Huck
2020-10-07 19:04 ` [PATCH v3 09/10] vfio: Add routine for finding VFIO_DEVICE_GET_INFO capabilities Matthew Rosato
2020-10-09 9:53 ` Cornelia Huck
2020-10-07 19:04 ` [PATCH v3 10/10] s390x/pci: get zPCI function info from host Matthew Rosato
2020-10-09 15:48 ` Cornelia Huck
2020-10-09 16:10 ` Matthew Rosato
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