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[Qemu-ppc] [PULL 09/40] spapr_drc: add unrealize method to physical DRC


From: David Gibson
Subject: [Qemu-ppc] [PULL 09/40] spapr_drc: add unrealize method to physical DRC class
Date: Fri, 8 Sep 2017 20:35:27 +1000

From: Greg Kurz <address@hidden>

When hot-unplugging a PHB, all its PCI DRC connectors get unrealized. This
patch adds an unrealize method to the physical DRC class, in order to undo
registrations performed in realize_physical().

Signed-off-by: Greg Kurz <address@hidden>
Signed-off-by: David Gibson <address@hidden>
---
 hw/ppc/spapr_drc.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/hw/ppc/spapr_drc.c b/hw/ppc/spapr_drc.c
index 644a6fffaf..b10f849d37 100644
--- a/hw/ppc/spapr_drc.c
+++ b/hw/ppc/spapr_drc.c
@@ -630,12 +630,28 @@ static void realize_physical(DeviceState *d, Error **errp)
     qemu_register_reset(drc_physical_reset, drcp);
 }
 
+static void unrealize_physical(DeviceState *d, Error **errp)
+{
+    sPAPRDRCPhysical *drcp = SPAPR_DRC_PHYSICAL(d);
+    Error *local_err = NULL;
+
+    unrealize(d, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
+        return;
+    }
+
+    vmstate_unregister(DEVICE(drcp), &vmstate_spapr_drc_physical, drcp);
+    qemu_unregister_reset(drc_physical_reset, drcp);
+}
+
 static void spapr_drc_physical_class_init(ObjectClass *k, void *data)
 {
     DeviceClass *dk = DEVICE_CLASS(k);
     sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_CLASS(k);
 
     dk->realize = realize_physical;
+    dk->unrealize = unrealize_physical;
     drck->dr_entity_sense = physical_entity_sense;
     drck->isolate = drc_isolate_physical;
     drck->unisolate = drc_unisolate_physical;
-- 
2.13.5




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