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Diffstat (limited to 'hw/intc/arm_gicv3_kvm.c')
-rw-r--r--hw/intc/arm_gicv3_kvm.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/hw/intc/arm_gicv3_kvm.c b/hw/intc/arm_gicv3_kvm.c
index 8e17cab..8ed88e7 100644
--- a/hw/intc/arm_gicv3_kvm.c
+++ b/hw/intc/arm_gicv3_kvm.c
@@ -22,6 +22,7 @@
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "hw/intc/arm_gicv3_common.h"
+#include "hw/arm/virt.h"
#include "qemu/error-report.h"
#include "qemu/module.h"
#include "system/kvm.h"
@@ -825,6 +826,34 @@ static void kvm_arm_gicv3_realize(DeviceState *dev, Error **errp)
return;
}
+ if (s->maint_irq) {
+ Error *kvm_nv_migration_blocker = NULL;
+ int ret;
+
+ error_setg(&kvm_nv_migration_blocker,
+ "Live migration disabled because KVM nested virt is enabled");
+ if (migrate_add_blocker(&kvm_nv_migration_blocker, errp)) {
+ error_free(kvm_nv_migration_blocker);
+ return;
+ }
+
+ ret = kvm_device_check_attr(s->dev_fd,
+ KVM_DEV_ARM_VGIC_GRP_MAINT_IRQ, 0);
+ if (!ret) {
+ error_setg_errno(errp, errno,
+ "VGICv3 setting maintenance IRQ is not "
+ "supported by this host kernel");
+ return;
+ }
+
+ ret = kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_MAINT_IRQ, 0,
+ &s->maint_irq, true, errp);
+ if (ret) {
+ error_setg_errno(errp, errno, "Failed to set VGIC maintenance IRQ");
+ return;
+ }
+ }
+
multiple_redist_region_allowed =
kvm_device_check_attr(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION);
@@ -893,7 +922,7 @@ static void kvm_arm_gicv3_realize(DeviceState *dev, Error **errp)
}
}
-static void kvm_arm_gicv3_class_init(ObjectClass *klass, void *data)
+static void kvm_arm_gicv3_class_init(ObjectClass *klass, const void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
ResettableClass *rc = RESETTABLE_CLASS(klass);