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scsi: Convert virtio-scsi HBA to hotplug handler API 

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Igor Mammedov 2014-09-26 09:28:33 +00:00 committed by Andreas Färber
parent 91c8daad4b
commit 02206e5275
1 changed files with 20 additions and 10 deletions
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30
hw/scsi/virtio-scsi.c
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@ -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(hotplug_dev);
VirtIODevice *vdev = VIRTIO_DEVICE(s);
if ((vdev->guest_features >> VIRTIO_SCSI_F_HOTPLUG) & 1) { 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); 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(hotplug_dev);
VirtIODevice *vdev = VIRTIO_DEVICE(s);
if ((vdev->guest_features >> VIRTIO_SCSI_F_HOTPLUG) & 1) { 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); VIRTIO_SCSI_EVT_RESET_REMOVED);
} }
qdev_simple_device_unplug_cb(hotplug_dev, dev, errp);
} }
static struct SCSIBusInfo virtio_scsi_scsi_info = { static struct SCSIBusInfo virtio_scsi_scsi_info = {
@ -768,8 +771,6 @@ static struct SCSIBusInfo virtio_scsi_scsi_info = {
.complete = virtio_scsi_command_complete, .complete = virtio_scsi_command_complete,
.cancel = virtio_scsi_request_cancelled, .cancel = virtio_scsi_request_cancelled,
.change = virtio_scsi_change, .change = virtio_scsi_change,
.hotplug = virtio_scsi_hotplug,
.hot_unplug = virtio_scsi_hot_unplug,
.parse_cdb = virtio_scsi_parse_cdb, .parse_cdb = virtio_scsi_parse_cdb,
.get_sg_list = virtio_scsi_get_sg_list, .get_sg_list = virtio_scsi_get_sg_list,
.save_request = virtio_scsi_save_request, .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, scsi_bus_new(&s->bus, sizeof(s->bus), dev,
&virtio_scsi_scsi_info, vdev->bus_name); &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) { if (!dev->hotplugged) {
scsi_bus_legacy_handle_cmdline(&s->bus, &err); 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); DeviceClass *dc = DEVICE_CLASS(klass);
VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass); VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
dc->props = virtio_scsi_properties; dc->props = virtio_scsi_properties;
set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 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->set_config = virtio_scsi_set_config;
vdc->get_features = virtio_scsi_get_features; vdc->get_features = virtio_scsi_get_features;
vdc->reset = virtio_scsi_reset; vdc->reset = virtio_scsi_reset;
hc->plug = virtio_scsi_hotplug;
hc->unplug = virtio_scsi_hotunplug;
} }
static const TypeInfo virtio_scsi_common_info = { static const TypeInfo virtio_scsi_common_info = {
@ -939,6 +945,10 @@ static const TypeInfo virtio_scsi_info = {
.instance_size = sizeof(VirtIOSCSI), .instance_size = sizeof(VirtIOSCSI),
.instance_init = virtio_scsi_instance_init, .instance_init = virtio_scsi_instance_init,
.class_init = virtio_scsi_class_init, .class_init = virtio_scsi_class_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_HOTPLUG_HANDLER },
{ }
}
}; };
static void virtio_register_types(void) static void virtio_register_types(void)