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-rw-r--r--hw/acpi/piix4.c6
-rw-r--r--hw/char/virtio-serial-bus.c20
-rw-r--r--hw/core/hotplug.c11
-rw-r--r--hw/core/qdev-properties-system.c8
-rw-r--r--hw/core/qdev-properties.c14
-rw-r--r--hw/core/qdev.c113
-rw-r--r--hw/cpu/icc_bus.c8
-rw-r--r--hw/i386/acpi-build.c2
-rw-r--r--hw/isa/lpc_ich9.c6
-rw-r--r--hw/pci-bridge/pci_bridge_dev.c2
-rw-r--r--hw/pci/pci-hotplug-old.c4
-rw-r--r--hw/pci/pcie.c4
-rw-r--r--hw/pci/pcie_port.c2
-rw-r--r--hw/pci/shpc.c4
-rw-r--r--hw/s390x/event-facility.c2
-rw-r--r--hw/s390x/s390-virtio-bus.c10
-rw-r--r--hw/s390x/virtio-ccw.c17
-rw-r--r--hw/scsi/scsi-bus.c24
-rw-r--r--hw/scsi/virtio-scsi.c30
-rw-r--r--hw/scsi/vmw_pvscsi.c26
-rw-r--r--hw/usb/bus.c9
-rw-r--r--hw/usb/dev-smartcard-reader.c8
-rw-r--r--hw/usb/dev-storage.c4
-rw-r--r--hw/virtio/virtio-mmio.c17
-rw-r--r--hw/virtio/virtio-pci.c3
25 files changed, 214 insertions, 140 deletions
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index b72b34e5c9..0bfa814f71 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -354,8 +354,8 @@ static void piix4_device_plug_cb(HotplugHandler *hotplug_dev,
}
}
-static void piix4_device_unplug_cb(HotplugHandler *hotplug_dev,
- DeviceState *dev, Error **errp)
+static void piix4_device_unplug_request_cb(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
{
PIIX4PMState *s = PIIX4_PM(hotplug_dev);
@@ -615,7 +615,7 @@ static void piix4_pm_class_init(ObjectClass *klass, void *data)
dc->cannot_instantiate_with_device_add_yet = true;
dc->hotpluggable = false;
hc->plug = piix4_device_plug_cb;
- hc->unplug = piix4_device_unplug_cb;
+ hc->unplug_request = piix4_device_unplug_request_cb;
adevc->ospm_status = piix4_ospm_status;
}
diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c
index 3931085983..c6870f19e1 100644
--- a/hw/char/virtio-serial-bus.c
+++ b/hw/char/virtio-serial-bus.c
@@ -904,6 +904,12 @@ static void virtser_port_device_realize(DeviceState *dev, Error **errp)
}
port->elem.out_num = 0;
+}
+
+static void virtser_port_device_plug(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
+{
+ VirtIOSerialPort *port = VIRTIO_SERIAL_PORT(dev);
QTAILQ_INSERT_TAIL(&port->vser->ports, port, next);
port->ivq = port->vser->ivqs[port->id];
@@ -912,7 +918,7 @@ static void virtser_port_device_realize(DeviceState *dev, Error **errp)
add_port(port->vser, port->id);
/* Send an update to the guest about this new port added */
- virtio_notify_config(vdev);
+ virtio_notify_config(VIRTIO_DEVICE(hotplug_dev));
}
static void virtser_port_device_unrealize(DeviceState *dev, Error **errp)
@@ -935,7 +941,6 @@ static void virtio_serial_device_realize(DeviceState *dev, Error **errp)
{
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
VirtIOSerial *vser = VIRTIO_SERIAL(dev);
- BusState *bus;
uint32_t i, max_supported_ports;
if (!vser->serial.max_virtserial_ports) {
@@ -957,8 +962,7 @@ static void virtio_serial_device_realize(DeviceState *dev, Error **errp)
/* Spawn a new virtio-serial bus on which the ports will ride as devices */
qbus_create_inplace(&vser->bus, sizeof(vser->bus), TYPE_VIRTIO_SERIAL_BUS,
dev, vdev->bus_name);
- bus = BUS(&vser->bus);
- bus->allow_hotplug = 1;
+ qbus_set_hotplug_handler(BUS(&vser->bus), DEVICE(vser), errp);
vser->bus.vser = vser;
QTAILQ_INIT(&vser->ports);
@@ -1021,7 +1025,6 @@ static void virtio_serial_port_class_init(ObjectClass *klass, void *data)
k->bus_type = TYPE_VIRTIO_SERIAL_BUS;
k->realize = virtser_port_device_realize;
k->unrealize = virtser_port_device_unrealize;
- k->unplug = qdev_simple_unplug_cb;
k->props = virtser_props;
}
@@ -1064,6 +1067,7 @@ static void virtio_serial_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
+ HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
QLIST_INIT(&vserdevices.devices);
@@ -1077,6 +1081,8 @@ static void virtio_serial_class_init(ObjectClass *klass, void *data)
vdc->reset = vser_reset;
vdc->save = virtio_serial_save_device;
vdc->load = virtio_serial_load_device;
+ hc->plug = virtser_port_device_plug;
+ hc->unplug = qdev_simple_device_unplug_cb;
}
static const TypeInfo virtio_device_info = {
@@ -1084,6 +1090,10 @@ static const TypeInfo virtio_device_info = {
.parent = TYPE_VIRTIO_DEVICE,
.instance_size = sizeof(VirtIOSerial),
.class_init = virtio_serial_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { TYPE_HOTPLUG_HANDLER },
+ { }
+ }
};
static void virtio_serial_register_types(void)
diff --git a/hw/core/hotplug.c b/hw/core/hotplug.c
index 5573d9d2d9..4e01074557 100644
--- a/hw/core/hotplug.c
+++ b/hw/core/hotplug.c
@@ -23,6 +23,17 @@ void hotplug_handler_plug(HotplugHandler *plug_handler,
}
}
+void hotplug_handler_unplug_request(HotplugHandler *plug_handler,
+ DeviceState *plugged_dev,
+ Error **errp)
+{
+ HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler);
+
+ if (hdc->unplug_request) {
+ hdc->unplug_request(plug_handler, plugged_dev, errp);
+ }
+}
+
void hotplug_handler_unplug(HotplugHandler *plug_handler,
DeviceState *plugged_dev,
Error **errp)
diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c
index 84caa1d694..f2bd954be5 100644
--- a/hw/core/qdev-properties-system.c
+++ b/hw/core/qdev-properties-system.c
@@ -112,7 +112,7 @@ static void set_drive(Object *obj, Visitor *v, void *opaque,
PropertyInfo qdev_prop_drive = {
.name = "str",
- .legacy_name = "drive",
+ .description = "ID of a drive to use as a backend",
.get = get_drive,
.set = set_drive,
.release = release_drive,
@@ -169,7 +169,7 @@ static void set_chr(Object *obj, Visitor *v, void *opaque,
PropertyInfo qdev_prop_chr = {
.name = "str",
- .legacy_name = "chr",
+ .description = "ID of a chardev to use as a backend",
.get = get_chr,
.set = set_chr,
.release = release_chr,
@@ -248,7 +248,7 @@ static void set_netdev(Object *obj, Visitor *v, void *opaque,
PropertyInfo qdev_prop_netdev = {
.name = "str",
- .legacy_name = "netdev",
+ .description = "ID of a netdev to use as a backend",
.get = get_netdev,
.set = set_netdev,
};
@@ -328,7 +328,7 @@ static void set_vlan(Object *obj, Visitor *v, void *opaque,
PropertyInfo qdev_prop_vlan = {
.name = "int32",
- .legacy_name = "vlan",
+ .description = "Integer VLAN id to connect to",
.print = print_vlan,
.get = get_vlan,
.set = set_vlan,
diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
index 66556d3bf9..2ed995f2b7 100644
--- a/hw/core/qdev-properties.c
+++ b/hw/core/qdev-properties.c
@@ -120,7 +120,7 @@ static void prop_set_bit(Object *obj, Visitor *v, void *opaque,
PropertyInfo qdev_prop_bit = {
.name = "bool",
- .legacy_name = "on/off",
+ .description = "on/off",
.get = prop_get_bit,
.set = prop_set_bit,
};
@@ -455,7 +455,7 @@ inval:
PropertyInfo qdev_prop_macaddr = {
.name = "str",
- .legacy_name = "macaddr",
+ .description = "Ethernet 6-byte MAC Address, example: 52:54:00:12:34:56",
.get = get_mac,
.set = set_mac,
};
@@ -477,7 +477,8 @@ QEMU_BUILD_BUG_ON(sizeof(BiosAtaTranslation) != sizeof(int));
PropertyInfo qdev_prop_bios_chs_trans = {
.name = "BiosAtaTranslation",
- .legacy_name = "bios-chs-trans",
+ .description = "Logical CHS translation algorithm, "
+ "auto/none/lba/large/rechs",
.enum_table = BiosAtaTranslation_lookup,
.get = get_enum,
.set = set_enum,
@@ -551,7 +552,7 @@ static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest,
PropertyInfo qdev_prop_pci_devfn = {
.name = "int32",
- .legacy_name = "pci-devfn",
+ .description = "Slot and optional function number, example: 06.0 or 06",
.print = print_pci_devfn,
.get = get_int32,
.set = set_pci_devfn,
@@ -598,7 +599,7 @@ static void set_blocksize(Object *obj, Visitor *v, void *opaque,
PropertyInfo qdev_prop_blocksize = {
.name = "uint16",
- .legacy_name = "blocksize",
+ .description = "A power of two between 512 and 32768",
.get = get_uint16,
.set = set_blocksize,
};
@@ -706,7 +707,8 @@ inval:
PropertyInfo qdev_prop_pci_host_devaddr = {
.name = "str",
- .legacy_name = "pci-host-devaddr",
+ .description = "Address (bus/device/function) of "
+ "the host device, example: 04:10.0",
.get = get_pci_host_devaddr,
.set = set_pci_host_devaddr,
};
diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index fcb16383a1..a1e9247772 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -85,10 +85,6 @@ static void bus_add_child(BusState *bus, DeviceState *child)
char name[32];
BusChild *kid = g_malloc0(sizeof(*kid));
- if (qdev_hotplug) {
- assert(bus->allow_hotplug);
- }
-
kid->index = bus->max_index++;
kid->child = child;
object_ref(OBJECT(kid->child));
@@ -112,6 +108,24 @@ void qdev_set_parent_bus(DeviceState *dev, BusState *bus)
bus_add_child(bus, dev);
}
+static void qbus_set_hotplug_handler_internal(BusState *bus, Object *handler,
+ Error **errp)
+{
+
+ object_property_set_link(OBJECT(bus), OBJECT(handler),
+ QDEV_HOTPLUG_HANDLER_PROPERTY, errp);
+}
+
+void qbus_set_hotplug_handler(BusState *bus, DeviceState *handler, Error **errp)
+{
+ qbus_set_hotplug_handler_internal(bus, OBJECT(handler), errp);
+}
+
+void qbus_set_bus_hotplug_handler(BusState *bus, Error **errp)
+{
+ qbus_set_hotplug_handler_internal(bus, OBJECT(bus), errp);
+}
+
/* Create a new device. This only initializes the device state structure
and allows properties to be set. qdev_init should be called to
initialize the actual device emulation. */
@@ -209,11 +223,30 @@ void qdev_set_legacy_instance_id(DeviceState *dev, int alias_id,
dev->alias_required_for_version = required_for_version;
}
+static HotplugHandler *qdev_get_hotplug_handler(DeviceState *dev)
+{
+ HotplugHandler *hotplug_ctrl = NULL;
+
+ if (dev->parent_bus && dev->parent_bus->hotplug_handler) {
+ hotplug_ctrl = dev->parent_bus->hotplug_handler;
+ } else if (object_dynamic_cast(qdev_get_machine(), TYPE_MACHINE)) {
+ MachineState *machine = MACHINE(qdev_get_machine());
+ MachineClass *mc = MACHINE_GET_CLASS(machine);
+
+ if (mc->get_hotplug_handler) {
+ hotplug_ctrl = mc->get_hotplug_handler(machine, dev);
+ }
+ }
+ return hotplug_ctrl;
+}
+
void qdev_unplug(DeviceState *dev, Error **errp)
{
DeviceClass *dc = DEVICE_GET_CLASS(dev);
+ HotplugHandler *hotplug_ctrl;
+ HotplugHandlerClass *hdc;
- if (dev->parent_bus && !dev->parent_bus->allow_hotplug) {
+ if (dev->parent_bus && !qbus_is_hotpluggable(dev->parent_bus)) {
error_set(errp, QERR_BUS_NO_HOTPLUG, dev->parent_bus->name);
return;
}
@@ -226,13 +259,18 @@ void qdev_unplug(DeviceState *dev, Error **errp)
qdev_hot_removed = true;
- if (dev->parent_bus && dev->parent_bus->hotplug_handler) {
- hotplug_handler_unplug(dev->parent_bus->hotplug_handler, dev, errp);
+ hotplug_ctrl = qdev_get_hotplug_handler(dev);
+ /* hotpluggable device MUST have HotplugHandler, if it doesn't
+ * then something is very wrong with it */
+ g_assert(hotplug_ctrl);
+
+ /* If device supports async unplug just request it to be done,
+ * otherwise just remove it synchronously */
+ hdc = HOTPLUG_HANDLER_GET_CLASS(hotplug_ctrl);
+ if (hdc->unplug_request) {
+ hotplug_handler_unplug_request(hotplug_ctrl, dev, errp);
} else {
- assert(dc->unplug != NULL);
- if (dc->unplug(dev) < 0) { /* legacy handler */
- error_set(errp, QERR_UNDEFINED_ERROR);
- }
+ hotplug_handler_unplug(hotplug_ctrl, dev, errp);
}
}
@@ -269,14 +307,13 @@ void qbus_reset_all_fn(void *opaque)
}
/* can be used as ->unplug() callback for the simple cases */
-int qdev_simple_unplug_cb(DeviceState *dev)
+void qdev_simple_device_unplug_cb(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
{
/* just zap it */
object_unparent(OBJECT(dev));
- return 0;
}
-
/* Like qdev_init(), but terminate program via error_report() instead of
returning an error value. This is okay during machine creation.
Don't use for hotplug, because there callers need to recover from
@@ -337,10 +374,20 @@ static NamedGPIOList *qdev_get_named_gpio_list(DeviceState *dev,
void qdev_init_gpio_in_named(DeviceState *dev, qemu_irq_handler handler,
const char *name, int n)
{
+ int i;
NamedGPIOList *gpio_list = qdev_get_named_gpio_list(dev, name);
+ char *propname = g_strdup_printf("%s[*]", name ? name : "unnamed-gpio-in");
+ assert(gpio_list->num_out == 0 || !name);
gpio_list->in = qemu_extend_irqs(gpio_list->in, gpio_list->num_in, handler,
dev, n);
+
+ for (i = gpio_list->num_in; i < gpio_list->num_in + n; i++) {
+ object_property_add_child(OBJECT(dev), propname,
+ OBJECT(gpio_list->in[i]), &error_abort);
+ }
+ g_free(propname);
+
gpio_list->num_in += n;
}
@@ -352,11 +399,24 @@ void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n)
void qdev_init_gpio_out_named(DeviceState *dev, qemu_irq *pins,
const char *name, int n)
{
+ int i;
NamedGPIOList *gpio_list = qdev_get_named_gpio_list(dev, name);
+ char *propname = g_strdup_printf("%s[*]", name ? name : "unnamed-gpio-out");
+ assert(gpio_list->num_in == 0 || !name);
assert(gpio_list->num_out == 0);
gpio_list->num_out = n;
gpio_list->out = pins;
+
+ for (i = 0; i < n; ++i) {
+ memset(&pins[i], 0, sizeof(*pins));
+ object_property_add_link(OBJECT(dev), propname, TYPE_IRQ,
+ (Object **)&pins[i],
+ object_property_allow_set_link,
+ OBJ_PROP_LINK_UNREF_ON_RELEASE,
+ &error_abort);
+ }
+ g_free(propname);
}
void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n)
@@ -766,6 +826,11 @@ void qdev_property_add_static(DeviceState *dev, Property *prop,
error_propagate(errp, local_err);
return;
}
+
+ object_property_set_description(obj, prop->name,
+ prop->info->description,
+ &error_abort);
+
if (prop->qtype == QTYPE_NONE) {
return;
}
@@ -811,6 +876,7 @@ static void device_set_realized(Object *obj, bool value, Error **errp)
{
DeviceState *dev = DEVICE(obj);
DeviceClass *dc = DEVICE_GET_CLASS(dev);
+ HotplugHandler *hotplug_ctrl;
BusState *bus;
Error *local_err = NULL;
@@ -838,20 +904,9 @@ static void device_set_realized(Object *obj, bool value, Error **errp)
goto fail;
}
- if (dev->parent_bus && dev->parent_bus->hotplug_handler) {
- hotplug_handler_plug(dev->parent_bus->hotplug_handler,
- dev, &local_err);
- } else if (object_dynamic_cast(qdev_get_machine(), TYPE_MACHINE)) {
- HotplugHandler *hotplug_ctrl;
- MachineState *machine = MACHINE(qdev_get_machine());
- MachineClass *mc = MACHINE_GET_CLASS(machine);
-
- if (mc->get_hotplug_handler) {
- hotplug_ctrl = mc->get_hotplug_handler(machine, dev);
- if (hotplug_ctrl) {
- hotplug_handler_plug(hotplug_ctrl, dev, &local_err);
- }
- }
+ hotplug_ctrl = qdev_get_hotplug_handler(dev);
+ if (hotplug_ctrl) {
+ hotplug_handler_plug(hotplug_ctrl, dev, &local_err);
}
if (local_err != NULL) {
@@ -925,7 +980,7 @@ static bool device_get_hotpluggable(Object *obj, Error **errp)
DeviceState *dev = DEVICE(obj);
return dc->hotpluggable && (dev->parent_bus == NULL ||
- dev->parent_bus->allow_hotplug);
+ qbus_is_hotpluggable(dev->parent_bus));
}
static bool device_get_hotplugged(Object *obj, Error **err)
diff --git a/hw/cpu/icc_bus.c b/hw/cpu/icc_bus.c
index 7f44c59b25..9575fd6a42 100644
--- a/hw/cpu/icc_bus.c
+++ b/hw/cpu/icc_bus.c
@@ -24,18 +24,10 @@
/* icc-bridge implementation */
-static void icc_bus_init(Object *obj)
-{
- BusState *b = BUS(obj);
-
- b->allow_hotplug = true;
-}
-
static const TypeInfo icc_bus_info = {
.name = TYPE_ICC_BUS,
.parent = TYPE_BUS,
.instance_size = sizeof(ICCBus),
- .instance_init = icc_bus_init,
};
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index a3133211a8..00be4bb12a 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -774,7 +774,7 @@ static void *acpi_set_bsel(PCIBus *bus, void *opaque)
unsigned *bsel_alloc = opaque;
unsigned *bus_bsel;
- if (bus->qbus.allow_hotplug) {
+ if (qbus_is_hotpluggable(BUS(bus))) {
bus_bsel = g_malloc(sizeof *bus_bsel);
*bus_bsel = (*bsel_alloc)++;
diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c
index 177023bcaf..530b074551 100644
--- a/hw/isa/lpc_ich9.c
+++ b/hw/isa/lpc_ich9.c
@@ -607,8 +607,8 @@ static void ich9_device_plug_cb(HotplugHandler *hotplug_dev,
ich9_pm_device_plug_cb(&lpc->pm, dev, errp);
}
-static void ich9_device_unplug_cb(HotplugHandler *hotplug_dev,
- DeviceState *dev, Error **errp)
+static void ich9_device_unplug_request_cb(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
{
error_setg(errp, "acpi: device unplug request for not supported device"
" type: %s", object_get_typename(OBJECT(dev)));
@@ -676,7 +676,7 @@ static void ich9_lpc_class_init(ObjectClass *klass, void *data)
*/
dc->cannot_instantiate_with_device_add_yet = true;
hc->plug = ich9_device_plug_cb;
- hc->unplug = ich9_device_unplug_cb;
+ hc->unplug_request = ich9_device_unplug_request_cb;
adevc->ospm_status = ich9_pm_ospm_status;
}
diff --git a/hw/pci-bridge/pci_bridge_dev.c b/hw/pci-bridge/pci_bridge_dev.c
index 92799d08ef..252ea5eb53 100644
--- a/hw/pci-bridge/pci_bridge_dev.c
+++ b/hw/pci-bridge/pci_bridge_dev.c
@@ -150,7 +150,7 @@ static void pci_bridge_dev_class_init(ObjectClass *klass, void *data)
dc->vmsd = &pci_bridge_dev_vmstate;
set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
hc->plug = shpc_device_hotplug_cb;
- hc->unplug = shpc_device_hot_unplug_cb;
+ hc->unplug_request = shpc_device_hot_unplug_request_cb;
}
static const TypeInfo pci_bridge_dev_info = {
diff --git a/hw/pci/pci-hotplug-old.c b/hw/pci/pci-hotplug-old.c
index d87c469096..6ab28b703c 100644
--- a/hw/pci/pci-hotplug-old.c
+++ b/hw/pci/pci-hotplug-old.c
@@ -77,7 +77,7 @@ static PCIDevice *qemu_pci_hot_add_nic(Monitor *mon,
monitor_printf(mon, "Invalid PCI device address %s\n", devaddr);
return NULL;
}
- if (!((BusState*)bus)->allow_hotplug) {
+ if (!qbus_is_hotpluggable(BUS(bus))) {
monitor_printf(mon, "PCI bus doesn't support hotplug\n");
return NULL;
}
@@ -227,7 +227,7 @@ static PCIDevice *qemu_pci_hot_add_storage(Monitor *mon,
monitor_printf(mon, "Invalid PCI device address %s\n", devaddr);
return NULL;
}
- if (!((BusState*)bus)->allow_hotplug) {
+ if (!qbus_is_hotpluggable(BUS(bus))) {
monitor_printf(mon, "PCI bus doesn't support hotplug\n");
return NULL;
}
diff --git a/hw/pci/pcie.c b/hw/pci/pcie.c
index 1babddff4d..b64a004631 100644
--- a/hw/pci/pcie.c
+++ b/hw/pci/pcie.c
@@ -262,8 +262,8 @@ void pcie_cap_slot_hotplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
PCI_EXP_HP_EV_PDC | PCI_EXP_HP_EV_ABP);
}
-void pcie_cap_slot_hot_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
- Error **errp)
+void pcie_cap_slot_hot_unplug_request_cb(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
{
uint8_t *exp_cap;
diff --git a/hw/pci/pcie_port.c b/hw/pci/pcie_port.c
index fa24877955..40ca8d5d17 100644
--- a/hw/pci/pcie_port.c
+++ b/hw/pci/pcie_port.c
@@ -154,7 +154,7 @@ static void pcie_slot_class_init(ObjectClass *oc, void *data)
dc->props = pcie_slot_props;
hc->plug = pcie_cap_slot_hotplug_cb;
- hc->unplug = pcie_cap_slot_hot_unplug_cb;
+ hc->unplug_request = pcie_cap_slot_hot_unplug_request_cb;
}
static const TypeInfo pcie_slot_type_info = {
diff --git a/hw/pci/shpc.c b/hw/pci/shpc.c
index 1fcb8c4d85..65b2f5103f 100644
--- a/hw/pci/shpc.c
+++ b/hw/pci/shpc.c
@@ -549,8 +549,8 @@ void shpc_device_hotplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
shpc_interrupt_update(pci_hotplug_dev);
}
-void shpc_device_hot_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
- Error **errp)
+void shpc_device_hot_unplug_request_cb(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
{
Error *local_err = NULL;
PCIDevice *pci_hotplug_dev = PCI_DEVICE(hotplug_dev);
diff --git a/hw/s390x/event-facility.c b/hw/s390x/event-facility.c
index 597db34019..78da718362 100644
--- a/hw/s390x/event-facility.c
+++ b/hw/s390x/event-facility.c
@@ -333,7 +333,6 @@ static int init_event_facility(SCLPEventFacility *event_facility)
/* Spawn a new bus for SCLP events */
qbus_create_inplace(&event_facility->sbus, sizeof(event_facility->sbus),
TYPE_SCLP_EVENTS_BUS, sdev, NULL);
- event_facility->sbus.qbus.allow_hotplug = 0;
quiesce = qdev_create(&event_facility->sbus.qbus, "sclpquiesce");
if (!quiesce) {
@@ -408,7 +407,6 @@ static void event_class_init(ObjectClass *klass, void *data)
DeviceClass *dc = DEVICE_CLASS(klass);
dc->bus_type = TYPE_SCLP_EVENTS_BUS;
- dc->unplug = qdev_simple_unplug_cb;
dc->realize = event_realize;
dc->unrealize = event_unrealize;
}
diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c
index fabde3722b..29ecdb4194 100644
--- a/hw/s390x/s390-virtio-bus.c
+++ b/hw/s390x/s390-virtio-bus.c
@@ -102,7 +102,7 @@ VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size)
bus->next_ring = bus->dev_page + TARGET_PAGE_SIZE;
/* Enable hotplugging */
- _bus->allow_hotplug = 1;
+ qbus_set_hotplug_handler(_bus, dev, &error_abort);
/* Allocate RAM for VirtIO device pages (descriptors, queues, rings) */
*ram_size += S390_DEVICE_PAGES * TARGET_PAGE_SIZE;
@@ -604,7 +604,6 @@ static void virtio_s390_device_class_init(ObjectClass *klass, void *data)
dc->init = s390_virtio_busdev_init;
dc->bus_type = TYPE_S390_VIRTIO_BUS;
- dc->unplug = qdev_simple_unplug_cb;
dc->reset = s390_virtio_busdev_reset;
}
@@ -685,6 +684,10 @@ static const TypeInfo s390_virtio_bridge_info = {
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(SysBusDevice),
.class_init = s390_virtio_bridge_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { TYPE_HOTPLUG_HANDLER },
+ { }
+ }
};
/* virtio-s390-bus */
@@ -693,13 +696,10 @@ static void virtio_s390_bus_new(VirtioBusState *bus, size_t bus_size,
VirtIOS390Device *dev)
{
DeviceState *qdev = DEVICE(dev);
- BusState *qbus;
char virtio_bus_name[] = "virtio-bus";
qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_S390_BUS,
qdev, virtio_bus_name);
- qbus = BUS(bus);
- qbus->allow_hotplug = 1;
}
static void virtio_s390_bus_class_init(ObjectClass *klass, void *data)
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index 6bb870810f..f5ec94657f 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -230,7 +230,7 @@ VirtualCssBus *virtual_css_bus_init(void)
cbus = VIRTUAL_CSS_BUS(bus);
/* Enable hotplugging */
- bus->allow_hotplug = 1;
+ qbus_set_hotplug_handler(bus, dev, &error_abort);
return cbus;
}
@@ -1594,7 +1594,8 @@ static int virtio_ccw_busdev_exit(DeviceState *dev)
return _info->exit(_dev);
}
-static int virtio_ccw_busdev_unplug(DeviceState *dev)
+static void virtio_ccw_busdev_unplug(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
{
VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev;
SubchDev *sch = _dev->sch;
@@ -1613,7 +1614,6 @@ static int virtio_ccw_busdev_unplug(DeviceState *dev)
css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid, 1, 0);
object_unparent(OBJECT(dev));
- return 0;
}
static Property virtio_ccw_properties[] = {
@@ -1628,9 +1628,7 @@ static void virtio_ccw_device_class_init(ObjectClass *klass, void *data)
dc->props = virtio_ccw_properties;
dc->init = virtio_ccw_busdev_init;
dc->exit = virtio_ccw_busdev_exit;
- dc->unplug = virtio_ccw_busdev_unplug;
dc->bus_type = TYPE_VIRTUAL_CSS_BUS;
-
}
static const TypeInfo virtio_ccw_device_info = {
@@ -1654,8 +1652,10 @@ static int virtual_css_bridge_init(SysBusDevice *dev)
static void virtual_css_bridge_class_init(ObjectClass *klass, void *data)
{
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+ HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
k->init = virtual_css_bridge_init;
+ hc->unplug = virtio_ccw_busdev_unplug;
}
static const TypeInfo virtual_css_bridge_info = {
@@ -1663,6 +1663,10 @@ static const TypeInfo virtual_css_bridge_info = {
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(SysBusDevice),
.class_init = virtual_css_bridge_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { TYPE_HOTPLUG_HANDLER },
+ { }
+ }
};
/* virtio-ccw-bus */
@@ -1671,13 +1675,10 @@ static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size,
VirtioCcwDevice *dev)
{
DeviceState *qdev = DEVICE(dev);
- BusState *qbus;
char virtio_bus_name[] = "virtio-bus";
qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_CCW_BUS,
qdev, virtio_bus_name);
- qbus = BUS(bus);
- qbus->allow_hotplug = 1;
}
static void virtio_ccw_bus_class_init(ObjectClass *klass, void *data)
diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
index e7b1cf6730..022a524074 100644
--- a/hw/scsi/scsi-bus.c
+++ b/hw/scsi/scsi-bus.c
@@ -23,9 +23,11 @@ static Property scsi_props[] = {
static void scsi_bus_class_init(ObjectClass *klass, void *data)
{
BusClass *k = BUS_CLASS(klass);
+ HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
k->get_dev_path = scsibus_get_dev_path;
k->get_fw_dev_path = scsibus_get_fw_dev_path;
+ hc->unplug = qdev_simple_device_unplug_cb;
}
static const TypeInfo scsi_bus_info = {
@@ -33,6 +35,10 @@ static const TypeInfo scsi_bus_info = {
.parent = TYPE_BUS,
.instance_size = sizeof(SCSIBus),
.class_init = scsi_bus_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { TYPE_HOTPLUG_HANDLER },
+ { }
+ }
};
static int next_scsi_bus;
@@ -92,7 +98,7 @@ void scsi_bus_new(SCSIBus *bus, size_t bus_size, DeviceState *host,
qbus_create_inplace(bus, bus_size, TYPE_SCSI_BUS, host, bus_name);
bus->busnr = next_scsi_bus++;
bus->info = info;
- bus->qbus.allow_hotplug = 1;
+ qbus_set_bus_hotplug_handler(BUS(bus), &error_abort);
}
static void scsi_dma_restart_bh(void *opaque)
@@ -202,10 +208,6 @@ static void scsi_qdev_realize(DeviceState *qdev, Error **errp)
}
dev->vmsentry = qemu_add_vm_change_state_handler(scsi_dma_restart_cb,
dev);
-
- if (bus->info->hotplug) {
- bus->info->hotplug(bus, dev);
- }
}
static void scsi_qdev_unrealize(DeviceState *qdev, Error **errp)
@@ -1938,17 +1940,6 @@ static int get_scsi_requests(QEMUFile *f, void *pv, size_t size)
return 0;
}
-static int scsi_qdev_unplug(DeviceState *qdev)
-{
- SCSIDevice *dev = SCSI_DEVICE(qdev);
- SCSIBus *bus = DO_UPCAST(SCSIBus, qbus, dev->qdev.parent_bus);
-
- if (bus->info->hot_unplug) {
- bus->info->hot_unplug(bus, dev);
- }
- return qdev_simple_unplug_cb(qdev);
-}
-
static const VMStateInfo vmstate_info_scsi_requests = {
.name = "scsi-requests",
.get = get_scsi_requests,
@@ -2012,7 +2003,6 @@ static void scsi_device_class_init(ObjectClass *klass, void *data)
set_bit(DEVICE_CATEGORY_STORAGE, k->categories);
k->bus_type = TYPE_SCSI_BUS;
k->realize = scsi_qdev_realize;
- k->unplug = scsi_qdev_unplug;
k->unrealize = scsi_qdev_unrealize;
k->props = scsi_props;
}
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index 6c02fe2b9a..8547ea0475 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -737,26 +737,29 @@ static void virtio_scsi_change(SCSIBus *bus, SCSIDevice *dev, SCSISense sense)
}
}
-static void virtio_scsi_hotplug(SCSIBus *bus, SCSIDevice *dev)
+static void virtio_scsi_hotplug(HotplugHandler *hotplug_dev, DeviceState *dev,
+ Error **errp)
{
- VirtIOSCSI *s = container_of(bus, VirtIOSCSI, bus);
- VirtIODevice *vdev = VIRTIO_DEVICE(s);
+ VirtIODevice *vdev = VIRTIO_DEVICE(hotplug_dev);
if ((vdev->guest_features >> VIRTIO_SCSI_F_HOTPLUG) & 1) {
- virtio_scsi_push_event(s, dev, VIRTIO_SCSI_T_TRANSPORT_RESET,
+ virtio_scsi_push_event(VIRTIO_SCSI(hotplug_dev), SCSI_DEVICE(dev),
+ VIRTIO_SCSI_T_TRANSPORT_RESET,
VIRTIO_SCSI_EVT_RESET_RESCAN);
}
}
-static void virtio_scsi_hot_unplug(SCSIBus *bus, SCSIDevice *dev)
+static void virtio_scsi_hotunplug(HotplugHandler *hotplug_dev, DeviceState *dev,
+ Error **errp)
{
- VirtIOSCSI *s = container_of(bus, VirtIOSCSI, bus);
- VirtIODevice *vdev = VIRTIO_DEVICE(s);
+ VirtIODevice *vdev = VIRTIO_DEVICE(hotplug_dev);
if ((vdev->guest_features >> VIRTIO_SCSI_F_HOTPLUG) & 1) {
- virtio_scsi_push_event(s, dev, VIRTIO_SCSI_T_TRANSPORT_RESET,
+ virtio_scsi_push_event(VIRTIO_SCSI(hotplug_dev), SCSI_DEVICE(dev),
+ VIRTIO_SCSI_T_TRANSPORT_RESET,
VIRTIO_SCSI_EVT_RESET_REMOVED);
}
+ qdev_simple_device_unplug_cb(hotplug_dev, dev, errp);
}
static struct SCSIBusInfo virtio_scsi_scsi_info = {
@@ -768,8 +771,6 @@ static struct SCSIBusInfo virtio_scsi_scsi_info = {
.complete = virtio_scsi_command_complete,
.cancel = virtio_scsi_request_cancelled,
.change = virtio_scsi_change,
- .hotplug = virtio_scsi_hotplug,
- .hot_unplug = virtio_scsi_hot_unplug,
.parse_cdb = virtio_scsi_parse_cdb,
.get_sg_list = virtio_scsi_get_sg_list,
.save_request = virtio_scsi_save_request,
@@ -853,6 +854,8 @@ static void virtio_scsi_device_realize(DeviceState *dev, Error **errp)
scsi_bus_new(&s->bus, sizeof(s->bus), dev,
&virtio_scsi_scsi_info, vdev->bus_name);
+ /* override default SCSI bus hotplug-handler, with virtio-scsi's one */
+ qbus_set_hotplug_handler(BUS(&s->bus), dev, &error_abort);
if (!dev->hotplugged) {
scsi_bus_legacy_handle_cmdline(&s->bus, &err);
@@ -915,6 +918,7 @@ static void virtio_scsi_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
+ HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
dc->props = virtio_scsi_properties;
set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
@@ -923,6 +927,8 @@ static void virtio_scsi_class_init(ObjectClass *klass, void *data)
vdc->set_config = virtio_scsi_set_config;
vdc->get_features = virtio_scsi_get_features;
vdc->reset = virtio_scsi_reset;
+ hc->plug = virtio_scsi_hotplug;
+ hc->unplug = virtio_scsi_hotunplug;
}
static const TypeInfo virtio_scsi_common_info = {
@@ -939,6 +945,10 @@ static const TypeInfo virtio_scsi_info = {
.instance_size = sizeof(VirtIOSCSI),
.instance_init = virtio_scsi_instance_init,
.class_init = virtio_scsi_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { TYPE_HOTPLUG_HANDLER },
+ { }
+ }
};
static void virtio_register_types(void)
diff --git a/hw/scsi/vmw_pvscsi.c b/hw/scsi/vmw_pvscsi.c
index 5734d19789..d3a92fbabf 100644
--- a/hw/scsi/vmw_pvscsi.c
+++ b/hw/scsi/vmw_pvscsi.c
@@ -524,17 +524,20 @@ pvscsi_send_msg(PVSCSIState *s, SCSIDevice *dev, uint32_t msg_type)
}
static void
-pvscsi_hotplug(SCSIBus *bus, SCSIDevice *dev)
+pvscsi_hotplug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp)
{
- PVSCSIState *s = container_of(bus, PVSCSIState, bus);
- pvscsi_send_msg(s, dev, PVSCSI_MSG_DEV_ADDED);
+ PVSCSIState *s = PVSCSI(hotplug_dev);
+
+ pvscsi_send_msg(s, SCSI_DEVICE(dev), PVSCSI_MSG_DEV_ADDED);
}
static void
-pvscsi_hot_unplug(SCSIBus *bus, SCSIDevice *dev)
+pvscsi_hot_unplug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp)
{
- PVSCSIState *s = container_of(bus, PVSCSIState, bus);
- pvscsi_send_msg(s, dev, PVSCSI_MSG_DEV_REMOVED);
+ PVSCSIState *s = PVSCSI(hotplug_dev);
+
+ pvscsi_send_msg(s, SCSI_DEVICE(dev), PVSCSI_MSG_DEV_REMOVED);
+ qdev_simple_device_unplug_cb(hotplug_dev, dev, errp);
}
static void
@@ -1057,8 +1060,6 @@ static const struct SCSIBusInfo pvscsi_scsi_info = {
.get_sg_list = pvscsi_get_sg_list,
.complete = pvscsi_command_complete,
.cancel = pvscsi_request_cancelled,
- .hotplug = pvscsi_hotplug,
- .hot_unplug = pvscsi_hot_unplug,
};
static int
@@ -1092,6 +1093,8 @@ pvscsi_init(PCIDevice *pci_dev)
scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(pci_dev),
&pvscsi_scsi_info, NULL);
+ /* override default SCSI bus hotplug-handler, with pvscsi's one */
+ qbus_set_hotplug_handler(BUS(&s->bus), DEVICE(s), &error_abort);
pvscsi_reset_state(s);
return 0;
@@ -1187,6 +1190,7 @@ static void pvscsi_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+ HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
k->init = pvscsi_init;
k->exit = pvscsi_uninit;
@@ -1199,6 +1203,8 @@ static void pvscsi_class_init(ObjectClass *klass, void *data)
dc->props = pvscsi_properties;
set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
k->config_write = pvscsi_write_config;
+ hc->unplug = pvscsi_hot_unplug;
+ hc->plug = pvscsi_hotplug;
}
static const TypeInfo pvscsi_info = {
@@ -1206,6 +1212,10 @@ static const TypeInfo pvscsi_info = {
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(PVSCSIState),
.class_init = pvscsi_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { TYPE_HOTPLUG_HANDLER },
+ { }
+ }
};
static void
diff --git a/hw/usb/bus.c b/hw/usb/bus.c
index da1eba9fbd..986b2d8da8 100644
--- a/hw/usb/bus.c
+++ b/hw/usb/bus.c
@@ -24,10 +24,12 @@ static Property usb_props[] = {
static void usb_bus_class_init(ObjectClass *klass, void *data)
{
BusClass *k = BUS_CLASS(klass);
+ HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
k->print_dev = usb_bus_dev_print;
k->get_dev_path = usb_get_dev_path;
k->get_fw_dev_path = usb_get_fw_dev_path;
+ hc->unplug = qdev_simple_device_unplug_cb;
}
static const TypeInfo usb_bus_info = {
@@ -35,6 +37,10 @@ static const TypeInfo usb_bus_info = {
.parent = TYPE_BUS,
.instance_size = sizeof(USBBus),
.class_init = usb_bus_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { TYPE_HOTPLUG_HANDLER },
+ { }
+ }
};
static int next_usb_bus = 0;
@@ -79,9 +85,9 @@ void usb_bus_new(USBBus *bus, size_t bus_size,
USBBusOps *ops, DeviceState *host)
{
qbus_create_inplace(bus, bus_size, TYPE_USB_BUS, host, NULL);
+ qbus_set_bus_hotplug_handler(BUS(bus), &error_abort);
bus->ops = ops;
bus->busnr = next_usb_bus++;
- bus->qbus.allow_hotplug = 1; /* Yes, we can */
QTAILQ_INIT(&bus->free);
QTAILQ_INIT(&bus->used);
QTAILQ_INSERT_TAIL(&busses, bus, next);
@@ -701,7 +707,6 @@ static void usb_device_class_init(ObjectClass *klass, void *data)
{
DeviceClass *k = DEVICE_CLASS(klass);
k->bus_type = TYPE_USB_BUS;
- k->unplug = qdev_simple_unplug_cb;
k->realize = usb_qdev_realize;
k->unrealize = usb_qdev_unrealize;
k->props = usb_props;
diff --git a/hw/usb/dev-smartcard-reader.c b/hw/usb/dev-smartcard-reader.c
index d37ed02d2e..78ce681671 100644
--- a/hw/usb/dev-smartcard-reader.c
+++ b/hw/usb/dev-smartcard-reader.c
@@ -1312,8 +1312,8 @@ static void ccid_realize(USBDevice *dev, Error **errp)
usb_desc_init(dev);
qbus_create_inplace(&s->bus, sizeof(s->bus), TYPE_CCID_BUS, DEVICE(dev),
NULL);
+ qbus_set_hotplug_handler(BUS(&s->bus), DEVICE(dev), &error_abort);
s->intr = usb_ep_get(dev, USB_TOKEN_IN, CCID_INT_IN_EP);
- s->bus.qbus.allow_hotplug = 1;
s->card = NULL;
s->migration_state = MIGRATION_NONE;
s->migration_target_ip = 0;
@@ -1439,6 +1439,7 @@ static void ccid_class_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
+ HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
uc->realize = ccid_realize;
uc->product_desc = "QEMU USB CCID";
@@ -1451,6 +1452,7 @@ static void ccid_class_initfn(ObjectClass *klass, void *data)
dc->vmsd = &ccid_vmstate;
dc->props = ccid_properties;
set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
+ hc->unplug = qdev_simple_device_unplug_cb;
}
static const TypeInfo ccid_info = {
@@ -1458,6 +1460,10 @@ static const TypeInfo ccid_info = {
.parent = TYPE_USB_DEVICE,
.instance_size = sizeof(USBCCIDState),
.class_init = ccid_class_initfn,
+ .interfaces = (InterfaceInfo[]) {
+ { TYPE_HOTPLUG_HANDLER },
+ { }
+ }
};
static void ccid_card_class_init(ObjectClass *klass, void *data)
diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
index 7406fdd4a9..5bfc72ca45 100644
--- a/hw/usb/dev-storage.c
+++ b/hw/usb/dev-storage.c
@@ -634,7 +634,6 @@ static void usb_msd_realize_storage(USBDevice *dev, Error **errp)
error_propagate(errp, err);
return;
}
- s->bus.qbus.allow_hotplug = 0;
usb_msd_handle_reset(dev);
s->scsi_dev = scsi_dev;
@@ -656,7 +655,6 @@ static void usb_msd_realize_bot(USBDevice *dev, Error **errp)
usb_desc_init(dev);
scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev),
&usb_msd_scsi_info_bot, NULL);
- s->bus.qbus.allow_hotplug = 0;
usb_msd_handle_reset(dev);
}
@@ -821,9 +819,11 @@ static void usb_msd_instance_init(Object *obj)
static void usb_msd_class_initfn_bot(ObjectClass *klass, void *data)
{
USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
+ DeviceClass *dc = DEVICE_CLASS(klass);
uc->realize = usb_msd_realize_bot;
usb_msd_class_initfn_common(klass);
+ dc->hotpluggable = false;
}
static const TypeInfo msd_info = {
diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c
index 18c6e5b55c..2450c13747 100644
--- a/hw/virtio/virtio-mmio.c
+++ b/hw/virtio/virtio-mmio.c
@@ -89,9 +89,6 @@ typedef struct {
VirtioBusState bus;
} VirtIOMMIOProxy;
-static void virtio_mmio_bus_new(VirtioBusState *bus, size_t bus_size,
- VirtIOMMIOProxy *dev);
-
static uint64_t virtio_mmio_read(void *opaque, hwaddr offset, unsigned size)
{
VirtIOMMIOProxy *proxy = (VirtIOMMIOProxy *)opaque;
@@ -362,7 +359,8 @@ static void virtio_mmio_realizefn(DeviceState *d, Error **errp)
VirtIOMMIOProxy *proxy = VIRTIO_MMIO(d);
SysBusDevice *sbd = SYS_BUS_DEVICE(d);
- virtio_mmio_bus_new(&proxy->bus, sizeof(proxy->bus), proxy);
+ qbus_create_inplace(&proxy->bus, sizeof(proxy->bus), TYPE_VIRTIO_MMIO_BUS,
+ d, NULL);
sysbus_init_irq(sbd, &proxy->irq);
memory_region_init_io(&proxy->iomem, OBJECT(d), &virtio_mem_ops, proxy,
TYPE_VIRTIO_MMIO, 0x200);
@@ -393,17 +391,6 @@ static const TypeInfo virtio_mmio_info = {
/* virtio-mmio-bus. */
-static void virtio_mmio_bus_new(VirtioBusState *bus, size_t bus_size,
- VirtIOMMIOProxy *dev)
-{
- DeviceState *qdev = DEVICE(dev);
- BusState *qbus;
-
- qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_MMIO_BUS, qdev, NULL);
- qbus = BUS(bus);
- qbus->allow_hotplug = 0;
-}
-
static void virtio_mmio_bus_class_init(ObjectClass *klass, void *data)
{
BusClass *bus_class = BUS_CLASS(klass);
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 3f219ae248..ae7fef96d5 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1546,13 +1546,10 @@ static void virtio_pci_bus_new(VirtioBusState *bus, size_t bus_size,
VirtIOPCIProxy *dev)
{
DeviceState *qdev = DEVICE(dev);
- BusState *qbus;
char virtio_bus_name[] = "virtio-bus";
qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_PCI_BUS, qdev,
virtio_bus_name);
- qbus = BUS(bus);
- qbus->allow_hotplug = 1;
}
static void virtio_pci_bus_class_init(ObjectClass *klass, void *data)