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Access BusState::allow_hotplug using wraper qbus_is_hotpluggable()

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It would allow to transparently switch detection whether Bus
is hotpluggable from allow_hotplug field to hotplug_handler
link and to drop allow_hotplug field once all users are
converted to hotplug handler API.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Igor Mammedov 2014-09-26 09:28:17 +00:00 committed by Andreas Färber
parent 49cec38591
commit 39b888bd88
5 changed files with 12 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
hw/core/qdev.c
View File

@ -86,7 +86,7 @@ static void bus_add_child(BusState *bus, DeviceState *child)
BusChild *kid = g_malloc0(sizeof(*kid));
if (qdev_hotplug) {
assert(bus->allow_hotplug);
assert(qbus_is_hotpluggable(bus));
}
kid->index = bus->max_index++;
@ -213,7 +213,7 @@ void qdev_unplug(DeviceState *dev, Error **errp)
{
DeviceClass *dc = DEVICE_GET_CLASS(dev);
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;
}
@ -948,7 +948,7 @@ 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)

2
hw/i386/acpi-build.c
View File

@ -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)++;

4
hw/pci/pci-hotplug-old.c
View File

@ -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;
}

5
include/hw/qdev-core.h
View File

@ -368,4 +368,9 @@ static inline void qbus_set_hotplug_handler(BusState *bus, DeviceState *handler,
QDEV_HOTPLUG_HANDLER_PROPERTY, errp);
bus->allow_hotplug = 1;
}
static inline bool qbus_is_hotpluggable(BusState *bus)
{
return bus->allow_hotplug || bus->hotplug_handler;
}
#endif

2
qdev-monitor.c
View File

@ -515,7 +515,7 @@ DeviceState *qdev_device_add(QemuOpts *opts)
return NULL;
}
}
if (qdev_hotplug && bus && !bus->allow_hotplug) {
if (qdev_hotplug && bus && !qbus_is_hotpluggable(bus)) {
qerror_report(QERR_BUS_NO_HOTPLUG, bus->name);
return NULL;
}