diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 0546e43448..7d9dbc2663 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -73,11 +73,10 @@ #include "hw/arm/smmuv3.h" #include "hw/acpi/acpi.h" #include "target/arm/internals.h" -#include "hw/mem/memory-device.h" #include "hw/mem/pc-dimm.h" #include "hw/mem/nvdimm.h" #include "hw/acpi/generic_event_device.h" -#include "hw/virtio/virtio-mem-pci.h" +#include "hw/virtio/virtio-md-pci.h" #include "hw/virtio/virtio-iommu.h" #include "hw/char/pl011.h" #include "qemu/guest-random.h" @@ -2733,64 +2732,6 @@ static void virt_memory_plug(HotplugHandler *hotplug_dev, dev, &error_abort); } -static void virt_virtio_md_pci_pre_plug(HotplugHandler *hotplug_dev, - DeviceState *dev, Error **errp) -{ - HotplugHandler *hotplug_dev2 = qdev_get_bus_hotplug_handler(dev); - Error *local_err = NULL; - - if (!hotplug_dev2 && dev->hotplugged) { - /* - * Without a bus hotplug handler, we cannot control the plug/unplug - * order. We should never reach this point when hotplugging on ARM. - * However, it's nice to add a safety net, similar to what we have - * on x86. - */ - error_setg(errp, "hotplug of virtio based memory devices not supported" - " on this bus."); - return; - } - /* - * First, see if we can plug this memory device at all. If that - * succeeds, branch of to the actual hotplug handler. - */ - memory_device_pre_plug(MEMORY_DEVICE(dev), MACHINE(hotplug_dev), NULL, - &local_err); - if (!local_err && hotplug_dev2) { - hotplug_handler_pre_plug(hotplug_dev2, dev, &local_err); - } - error_propagate(errp, local_err); -} - -static void virt_virtio_md_pci_plug(HotplugHandler *hotplug_dev, - DeviceState *dev, Error **errp) -{ - HotplugHandler *hotplug_dev2 = qdev_get_bus_hotplug_handler(dev); - Error *local_err = NULL; - - /* - * Plug the memory device first and then branch off to the actual - * hotplug handler. If that one fails, we can easily undo the memory - * device bits. - */ - memory_device_plug(MEMORY_DEVICE(dev), MACHINE(hotplug_dev)); - if (hotplug_dev2) { - hotplug_handler_plug(hotplug_dev2, dev, &local_err); - if (local_err) { - memory_device_unplug(MEMORY_DEVICE(dev), MACHINE(hotplug_dev)); - } - } - error_propagate(errp, local_err); -} - -static void virt_virtio_md_pci_unplug_request(HotplugHandler *hotplug_dev, - DeviceState *dev, Error **errp) -{ - /* We don't support hot unplug of virtio based memory devices */ - error_setg(errp, "virtio based memory devices cannot be unplugged."); -} - - static void virt_machine_device_pre_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { @@ -2798,8 +2739,8 @@ static void virt_machine_device_pre_plug_cb(HotplugHandler *hotplug_dev, if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { virt_memory_pre_plug(hotplug_dev, dev, errp); - } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) { - virt_virtio_md_pci_pre_plug(hotplug_dev, dev, errp); + } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MD_PCI)) { + virtio_md_pci_pre_plug(VIRTIO_MD_PCI(dev), MACHINE(hotplug_dev), errp); } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI)) { hwaddr db_start = 0, db_end = 0; char *resv_prop_str; @@ -2848,12 +2789,11 @@ static void virt_machine_device_plug_cb(HotplugHandler *hotplug_dev, SYS_BUS_DEVICE(dev)); } } + if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { virt_memory_plug(hotplug_dev, dev, errp); - } - - if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) { - virt_virtio_md_pci_plug(hotplug_dev, dev, errp); + } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MD_PCI)) { + virtio_md_pci_plug(VIRTIO_MD_PCI(dev), MACHINE(hotplug_dev), errp); } if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI)) { @@ -2908,8 +2848,9 @@ static void virt_machine_device_unplug_request_cb(HotplugHandler *hotplug_dev, { if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { virt_dimm_unplug_request(hotplug_dev, dev, errp); - } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) { - virt_virtio_md_pci_unplug_request(hotplug_dev, dev, errp); + } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MD_PCI)) { + virtio_md_pci_unplug_request(VIRTIO_MD_PCI(dev), MACHINE(hotplug_dev), + errp); } else { error_setg(errp, "device unplug request for unsupported device" " type: %s", object_get_typename(OBJECT(dev))); @@ -2921,6 +2862,8 @@ static void virt_machine_device_unplug_cb(HotplugHandler *hotplug_dev, { if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { virt_dimm_unplug(hotplug_dev, dev, errp); + } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MD_PCI)) { + virtio_md_pci_unplug(VIRTIO_MD_PCI(dev), MACHINE(hotplug_dev), errp); } else { error_setg(errp, "virt: device unplug for unsupported device" " type: %s", object_get_typename(OBJECT(dev))); @@ -2934,7 +2877,7 @@ static HotplugHandler *virt_machine_get_hotplug_handler(MachineState *machine, if (device_is_dynamic_sysbus(mc, dev) || object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM) || - object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI) || + object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MD_PCI) || object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI)) { return HOTPLUG_HANDLER(machine); }