From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56285) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XXRrl-0003dS-0R for qemu-devel@nongnu.org; Fri, 26 Sep 2014 05:31:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XXRre-0008BK-SB for qemu-devel@nongnu.org; Fri, 26 Sep 2014 05:31:04 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55855) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XXRre-0008Ai-AQ for qemu-devel@nongnu.org; Fri, 26 Sep 2014 05:30:58 -0400 From: Igor Mammedov Date: Fri, 26 Sep 2014 09:28:33 +0000 Message-Id: <1411723721-20484-29-git-send-email-imammedo@redhat.com> In-Reply-To: <1411723721-20484-1-git-send-email-imammedo@redhat.com> References: <1411723721-20484-1-git-send-email-imammedo@redhat.com> Subject: [Qemu-devel] [PATCH v2 28/36] scsi: convert virtio-scsi HBA to hotplug handler API List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: cornelia.huck@de.ibm.com, mst@redhat.com, amit.shah@redhat.com, agraf@suse.de, borntraeger@de.ibm.com, kraxel@redhat.com, dmitry@daynix.com, pbonzini@redhat.com, rth@twiddle.net Signed-off-by: Igor Mammedov --- v2: * enforce virtio-scsi specific hotplug-handler --- 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 86aba88..a08e253 100644 --- a/hw/scsi/virtio-scsi.c +++ b/hw/scsi/virtio-scsi.c @@ -649,26 +649,29 @@ 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 = { @@ -680,8 +683,6 @@ 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, @@ -736,6 +737,8 @@ 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); @@ -785,6 +788,7 @@ 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); @@ -793,6 +797,8 @@ 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 = { @@ -808,6 +814,10 @@ static const TypeInfo virtio_scsi_info = { .parent = TYPE_VIRTIO_SCSI_COMMON, .instance_size = sizeof(VirtIOSCSI), .class_init = virtio_scsi_class_init, + .interfaces = (InterfaceInfo[]) { + { TYPE_HOTPLUG_HANDLER }, + { } + } }; static void virtio_register_types(void) -- 1.8.3.1