From 02206e5275ee1e34b2adf177c05aadec56af4bf8 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Fri, 26 Sep 2014 09:28:33 +0000 Subject: [PATCH] scsi: Convert virtio-scsi HBA to hotplug handler API MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Igor Mammedov Reviewed-by: Paolo Bonzini Reviewed-by: Michael S. Tsirkin Signed-off-by: Andreas Färber --- hw/scsi/virtio-scsi.c | 30 ++++++++++++++++++++---------- 1 file changed, 20 insertions(+), 10 deletions(-) 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) -- 2.11.4.GIT