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[Qemu-devel] [RFC PATCH v2 08/10] virtio-scsi: Add 'iothread' property t
From: |
Fam Zheng |
Subject: |
[Qemu-devel] [RFC PATCH v2 08/10] virtio-scsi: Add 'iothread' property to virtio-scsi-pci |
Date: |
Wed, 6 Aug 2014 13:35:06 +0800 |
Similar to this property in virtio-blk for dataplane, add it as a QOM
link in virtio-scsi and an alias in virtio-scsi-pci, in order to assign
an iothread to the device.
Other bus types can be added later.
Signed-off-by: Fam Zheng <address@hidden>
---
hw/scsi/virtio-scsi.c | 11 +++++++++++
hw/virtio/virtio-pci.c | 2 ++
include/hw/virtio/virtio-scsi.h | 1 +
3 files changed, 14 insertions(+)
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index 8fa9bec..9e78e21 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -703,6 +703,16 @@ static void virtio_scsi_device_realize(DeviceState *dev,
Error **errp)
virtio_scsi_save, virtio_scsi_load, s);
}
+static void virtio_scsi_instance_init(Object *obj)
+{
+ VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(obj);
+
+ object_property_add_link(obj, "iothread", TYPE_IOTHREAD,
+ (Object **)&vs->conf.iothread,
+ qdev_prop_allow_set_link_before_realize,
+ OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort);
+}
+
void virtio_scsi_common_unrealize(DeviceState *dev, Error **errp)
{
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
@@ -761,6 +771,7 @@ static const TypeInfo virtio_scsi_info = {
.name = TYPE_VIRTIO_SCSI,
.parent = TYPE_VIRTIO_SCSI_COMMON,
.instance_size = sizeof(VirtIOSCSI),
+ .instance_init = virtio_scsi_instance_init,
.class_init = virtio_scsi_class_init,
};
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 3007319..176b021 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1179,6 +1179,8 @@ static void virtio_scsi_pci_instance_init(Object *obj)
VirtIOSCSIPCI *dev = VIRTIO_SCSI_PCI(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SCSI);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
+ object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev), "iothread",
+ &error_abort);
}
static const TypeInfo virtio_scsi_pci_info = {
diff --git a/include/hw/virtio/virtio-scsi.h b/include/hw/virtio/virtio-scsi.h
index 4b6c266..6f92c29 100644
--- a/include/hw/virtio/virtio-scsi.h
+++ b/include/hw/virtio/virtio-scsi.h
@@ -153,6 +153,7 @@ struct VirtIOSCSIConf {
uint32_t cmd_per_lun;
char *vhostfd;
char *wwpn;
+ IOThread *iothread;
};
struct VirtIOSCSICommon;
--
2.0.3
- [Qemu-devel] [RFC PATCH v2 00/10] virtio-scsi: Dataplane on single iothread, Fam Zheng, 2014/08/06
- [Qemu-devel] [RFC PATCH v2 01/10] virtio: Compile vring code unconditionally, Fam Zheng, 2014/08/06
- [Qemu-devel] [RFC PATCH v2 02/10] virtio-scsi: Split virtio_scsi_handle_cmd_req from virtio_scsi_handle_cmd, Fam Zheng, 2014/08/06
- [Qemu-devel] [RFC PATCH v2 03/10] virtio-scsi: Split virtio_scsi_handle_ctrl_req from virtio_scsi_handle_ctrl, Fam Zheng, 2014/08/06
- [Qemu-devel] [RFC PATCH v2 05/10] virtio-scsi: Make virtio_scsi_init_req public, Fam Zheng, 2014/08/06
- [Qemu-devel] [RFC PATCH v2 04/10] virtio-scsi: Add VirtIOSCSIVring in VirtIOSCSIReq, Fam Zheng, 2014/08/06
- [Qemu-devel] [RFC PATCH v2 06/10] virtio-scsi: Make virtio_scsi_free_req public, Fam Zheng, 2014/08/06
- [Qemu-devel] [RFC PATCH v2 07/10] virtio-scsi: Make virtio_scsi_push_event public, Fam Zheng, 2014/08/06
- [Qemu-devel] [RFC PATCH v2 08/10] virtio-scsi: Add 'iothread' property to virtio-scsi-pci,
Fam Zheng <=
- [Qemu-devel] [RFC PATCH v2 09/10] virtio-scsi-dataplane: Code to run virtio-scsi on iothread, Fam Zheng, 2014/08/06
- [Qemu-devel] [RFC PATCH v2 10/10] virtio-scsi: Hook up with dataplane, Fam Zheng, 2014/08/06