diff options
Diffstat (limited to 'hw/intc/arm_gicv3_kvm.c')
| -rw-r--r-- | hw/intc/arm_gicv3_kvm.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/hw/intc/arm_gicv3_kvm.c b/hw/intc/arm_gicv3_kvm.c index 3be3bf6c28..8ed88e7429 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); |