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hw/arm/virt: Remove device tree restriction for virtio-iommu 

virtio-iommu is now supported with ACPI VIOT as well as device tree.
Remove the restriction that prevents from instantiating a virtio-iommu
device under ACPI.

Acked-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Message-id: 20211210170415.583179-3-jean-philippe@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Jean-Philippe Brucker 2021-12-10 17:04:10 +00:00 committed by Peter Maydell
parent cf1a5cc935
commit 092cba0350
2 changed files with 4 additions and 18 deletions
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10
hw/arm/virt.c
View File

@ -2613,16 +2613,10 @@ static HotplugHandler *virt_machine_get_hotplug_handler(MachineState *machine,
MachineClass *mc = MACHINE_GET_CLASS(machine);
if (device_is_dynamic_sysbus(mc, dev) ||
(object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM))) {
object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM) ||
object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI)) {
return HOTPLUG_HANDLER(machine);
}
if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI)) {
VirtMachineState *vms = VIRT_MACHINE(machine);
if (!vms->bootinfo.firmware_loaded || !virt_is_acpi_enabled(vms)) {
return HOTPLUG_HANDLER(machine);
}
}
return NULL;
}

12
hw/virtio/virtio-iommu-pci.c
View File

@ -48,16 +48,8 @@ static void virtio_iommu_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
VirtIOIOMMU *s = VIRTIO_IOMMU(vdev);
if (!qdev_get_machine_hotplug_handler(DEVICE(vpci_dev))) {
MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
error_setg(errp,
"%s machine fails to create iommu-map device tree bindings",
mc->name);
error_append_hint(errp,
"Check your machine implements a hotplug handler "
"for the virtio-iommu-pci device\n");
error_append_hint(errp, "Check the guest is booted without FW or with "
"-no-acpi\n");
error_setg(errp, "Check your machine implements a hotplug handler "
"for the virtio-iommu-pci device");
return;
}
for (int i = 0; i < s->nb_reserved_regions; i++) {