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This update brings dataplane to virtio-scsi (NOT

Browse source 
yet 100% thread-safe, though, which makes it really, really
 experimental.  It also brings asynchronous cancellation to
 the SCSI subsystem and implements it in virtio-scsi.  This
 is a pretty important feature.  Almost all the work here
 was done by Fam Zheng.
 
 I also included the virtio refcount fixes from Gonglei,
 because they had a small conflict with virtio-scsi dataplane.
 
 This pull request is using the new subkey 4E6B09D7.
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 Version: GnuPG v2.0.22 (GNU/Linux)
 
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

This update brings dataplane to virtio-scsi (NOT
yet 100% thread-safe, though, which makes it really, really
experimental.  It also brings asynchronous cancellation to
the SCSI subsystem and implements it in virtio-scsi.  This
is a pretty important feature.  Almost all the work here
was done by Fam Zheng.

I also included the virtio refcount fixes from Gonglei,
because they had a small conflict with virtio-scsi dataplane.

This pull request is using the new subkey 4E6B09D7.

# gpg: Signature made Tue 30 Sep 2014 12:31:02 BST using RSA key ID 4E6B09D7
# gpg: Good signature from "Paolo Bonzini <pbonzini@redhat.com>"
# gpg:                 aka "Paolo Bonzini <bonzini@gnu.org>"

* remotes/bonzini/tags/for-upstream: (39 commits)
  block/iscsi: handle failure on malloc of the allocationmap
  util: introduce bitmap_try_new
  virtio-scsi: Handle TMF request cancellation asynchronously
  scsi: Introduce scsi_req_cancel_async
  scsi: Introduce scsi_req_cancel_complete
  scsi: Drop SCSIReqOps.cancel_io
  scsi: Unify request unref in scsi_req_cancel
  scsi-generic: Handle canceled request in scsi_command_complete
  scsi: Drop scsi_req_abort
  virtio-scsi: Process ".iothread" property
  virtio-scsi: Call bdrv_io_plug/bdrv_io_unplug in cmd request handling
  virtio-scsi: Batched prepare for cmd reqs
  virtio-scsi: Two stages processing of cmd request
  virtio-scsi: Add migration state notifier for dataplane code
  virtio-scsi: Hook up with dataplane
  virtio-scsi-dataplane: Code to run virtio-scsi on iothread
  virtio-scsi: Add VirtIOSCSIVring in VirtIOSCSIReq
  virtio-scsi: Add 'iothread' property to virtio-scsi
  virtio: add a wrapper for virtio-backend initialization
  virtio-9p: fix virtio-9p child refcount in transports
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2014-09-30 16:45:34 +01:00
commit 1831e15060
17 changed files with 765 additions and 304 deletions
Download patch file Download diff file Expand all files Collapse all files

38
hw/s390x/s390-virtio-bus.c
View file

@ -159,8 +159,9 @@ static int s390_virtio_net_init(VirtIOS390Device *s390_dev)
static void s390_virtio_net_instance_init(Object *obj)
{
VirtIONetS390 *dev = VIRTIO_NET_S390(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_NET);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VIRTIO_NET);
}
static int s390_virtio_blk_init(VirtIOS390Device *s390_dev)
@ -177,10 +178,9 @@ static int s390_virtio_blk_init(VirtIOS390Device *s390_dev)
static void s390_virtio_blk_instance_init(Object *obj)
{
VirtIOBlkS390 *dev = VIRTIO_BLK_S390(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_BLK);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
object_unref(OBJECT(&dev->vdev));
qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VIRTIO_BLK);
object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread",
&error_abort);
}
@ -222,8 +222,9 @@ static int s390_virtio_serial_init(VirtIOS390Device *s390_dev)
static void s390_virtio_serial_instance_init(Object *obj)
{
VirtIOSerialS390 *dev = VIRTIO_SERIAL_S390(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SERIAL);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VIRTIO_SERIAL);
}
static int s390_virtio_scsi_init(VirtIOS390Device *s390_dev)
@ -254,8 +255,9 @@ static int s390_virtio_scsi_init(VirtIOS390Device *s390_dev)
static void s390_virtio_scsi_instance_init(Object *obj)
{
VirtIOSCSIS390 *dev = VIRTIO_SCSI_S390(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SCSI);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VIRTIO_SCSI);
}
#ifdef CONFIG_VHOST_SCSI
@ -275,8 +277,9 @@ static int s390_vhost_scsi_init(VirtIOS390Device *s390_dev)
static void s390_vhost_scsi_instance_init(Object *obj)
{
VHostSCSIS390 *dev = VHOST_SCSI_S390(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VHOST_SCSI);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VHOST_SCSI);
}
#endif
@ -301,8 +304,9 @@ static int s390_virtio_rng_init(VirtIOS390Device *s390_dev)
static void s390_virtio_rng_instance_init(Object *obj)
{
VirtIORNGS390 *dev = VIRTIO_RNG_S390(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_RNG);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VIRTIO_RNG);
object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
(Object **)&dev->vdev.conf.rng,
qdev_prop_allow_set_link_before_realize,
@ -493,10 +497,8 @@ static unsigned virtio_s390_get_features(DeviceState *d)
/**************** S390 Virtio Bus Device Descriptions *******************/
static Property s390_virtio_net_properties[] = {
DEFINE_NIC_PROPERTIES(VirtIONetS390, vdev.nic_conf),
DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features),
DEFINE_VIRTIO_NET_FEATURES(VirtIOS390Device, host_features),
DEFINE_VIRTIO_NET_PROPERTIES(VirtIONetS390, vdev.net_conf),
DEFINE_PROP_END_OF_LIST(),
};
@ -533,7 +535,6 @@ static const TypeInfo s390_virtio_blk = {
};
static Property s390_virtio_serial_properties[] = {
DEFINE_VIRTIO_SERIAL_PROPERTIES(VirtIOSerialS390, vdev.serial),
DEFINE_PROP_END_OF_LIST(),
};
@ -556,7 +557,6 @@ static const TypeInfo s390_virtio_serial = {
static Property s390_virtio_rng_properties[] = {
DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features),
DEFINE_VIRTIO_RNG_PROPERTIES(VirtIORNGS390, vdev.conf),
DEFINE_PROP_END_OF_LIST(),
};
@ -614,7 +614,6 @@ static const TypeInfo virtio_s390_device_info = {
};
static Property s390_virtio_scsi_properties[] = {
DEFINE_VIRTIO_SCSI_PROPERTIES(VirtIOSCSIS390, vdev.parent_obj.conf),
DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features),
DEFINE_VIRTIO_SCSI_FEATURES(VirtIOS390Device, host_features),
DEFINE_PROP_END_OF_LIST(),
@ -640,7 +639,6 @@ static const TypeInfo s390_virtio_scsi = {
#ifdef CONFIG_VHOST_SCSI
static Property s390_vhost_scsi_properties[] = {
DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features),
DEFINE_VHOST_SCSI_PROPERTIES(VHostSCSIS390, vdev.parent_obj.conf),
DEFINE_PROP_END_OF_LIST(),
};

42
hw/s390x/virtio-ccw.c
View file

@ -792,8 +792,9 @@ static int virtio_ccw_net_init(VirtioCcwDevice *ccw_dev)
static void virtio_ccw_net_instance_init(Object *obj)
{
VirtIONetCcw *dev = VIRTIO_NET_CCW(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_NET);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VIRTIO_NET);
}
static int virtio_ccw_blk_init(VirtioCcwDevice *ccw_dev)
@ -811,10 +812,9 @@ static int virtio_ccw_blk_init(VirtioCcwDevice *ccw_dev)
static void virtio_ccw_blk_instance_init(Object *obj)
{
VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_BLK);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
object_unref(OBJECT(&dev->vdev));
qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VIRTIO_BLK);
object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread",
&error_abort);
}
@ -848,8 +848,9 @@ static int virtio_ccw_serial_init(VirtioCcwDevice *ccw_dev)
static void virtio_ccw_serial_instance_init(Object *obj)
{
VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SERIAL);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VIRTIO_SERIAL);
}
static int virtio_ccw_balloon_init(VirtioCcwDevice *ccw_dev)
@ -896,7 +897,7 @@ static void virtio_ccw_balloon_instance_init(Object *obj)
VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_BALLOON);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
object_unref(OBJECT(&dev->vdev));
object_property_add(obj, "guest-stats", "guest statistics",
balloon_ccw_stats_get_all, NULL, NULL, dev, NULL);
@ -934,8 +935,11 @@ static int virtio_ccw_scsi_init(VirtioCcwDevice *ccw_dev)
static void virtio_ccw_scsi_instance_init(Object *obj)
{
VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SCSI);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VIRTIO_SCSI);
object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev), "iothread",
&error_abort);
}
#ifdef CONFIG_VHOST_SCSI
@ -955,8 +959,9 @@ static int vhost_ccw_scsi_init(VirtioCcwDevice *ccw_dev)
static void vhost_ccw_scsi_instance_init(Object *obj)
{
VHostSCSICcw *dev = VHOST_SCSI_CCW(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VHOST_SCSI);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VHOST_SCSI);
}
#endif
@ -1374,8 +1379,6 @@ static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f)
static Property virtio_ccw_net_properties[] = {
DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
DEFINE_VIRTIO_NET_FEATURES(VirtioCcwDevice, host_features[0]),
DEFINE_VIRTIO_NET_PROPERTIES(VirtIONetCcw, vdev.net_conf),
DEFINE_NIC_PROPERTIES(VirtIONetCcw, vdev.nic_conf),
DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_END_OF_LIST(),
@ -1428,7 +1431,6 @@ static const TypeInfo virtio_ccw_blk = {
static Property virtio_ccw_serial_properties[] = {
DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
DEFINE_VIRTIO_SERIAL_PROPERTIES(VirtioSerialCcw, vdev.serial),
DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_END_OF_LIST(),
@ -1481,7 +1483,6 @@ static const TypeInfo virtio_ccw_balloon = {
static Property virtio_ccw_scsi_properties[] = {
DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
DEFINE_VIRTIO_SCSI_PROPERTIES(VirtIOSCSICcw, vdev.parent_obj.conf),
DEFINE_VIRTIO_SCSI_FEATURES(VirtioCcwDevice, host_features[0]),
DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
@ -1510,7 +1511,6 @@ static const TypeInfo virtio_ccw_scsi = {
#ifdef CONFIG_VHOST_SCSI
static Property vhost_ccw_scsi_properties[] = {
DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
DEFINE_VHOST_SCSI_PROPERTIES(VirtIOSCSICcw, vdev.parent_obj.conf),
DEFINE_PROP_END_OF_LIST(),
};
@ -1537,8 +1537,9 @@ static const TypeInfo vhost_ccw_scsi = {
static void virtio_ccw_rng_instance_init(Object *obj)
{
VirtIORNGCcw *dev = VIRTIO_RNG_CCW(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_RNG);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VIRTIO_RNG);
object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
(Object **)&dev->vdev.conf.rng,
qdev_prop_allow_set_link_before_realize,
@ -1547,7 +1548,6 @@ static void virtio_ccw_rng_instance_init(Object *obj)
static Property virtio_ccw_rng_properties[] = {
DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
DEFINE_VIRTIO_RNG_PROPERTIES(VirtIORNGCcw, vdev.conf),
DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_END_OF_LIST(),