search for: b46671e

...ast_used_idx, vq->vring.used->idx); + END_USE(vq); + + return ret; +} +EXPORT_SYMBOL_GPL(virtqueue_enable_cb_avail); + /** * virtqueue_poll - query pending used buffers * @vq: the struct virtqueue we're talking about. diff --git a/include/linux/virtio.h b/include/linux/virtio.h index b46671e..bfaf058 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -65,6 +65,8 @@ bool virtqueue_enable_cb(struct virtqueue *vq); unsigned virtqueue_enable_cb_prepare(struct virtqueue *vq); +bool virtqueue_enable_cb_avail(struct virtqueue *vq); + bool virtqueue_poll(struct virtqueue...

...ast_used_idx, vq->vring.used->idx); + END_USE(vq); + + return ret; +} +EXPORT_SYMBOL_GPL(virtqueue_enable_cb_avail); + /** * virtqueue_poll - query pending used buffers * @vq: the struct virtqueue we're talking about. diff --git a/include/linux/virtio.h b/include/linux/virtio.h index b46671e..bfaf058 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -65,6 +65,8 @@ bool virtqueue_enable_cb(struct virtqueue *vq); unsigned virtqueue_enable_cb_prepare(struct virtqueue *vq); +bool virtqueue_enable_cb_avail(struct virtqueue *vq); + bool virtqueue_poll(struct virtqueue...

...* Caller must ensure we don't call this with other virtqueue * operations at the same time (except where noted). */ >> diff --git a/include/linux/virtio.h b/include/linux/virtio.h >> index b46671e..bfaf058 100644 >> --- a/include/linux/virtio.h >> +++ b/include/linux/virtio.h >> @@ -65,6 +65,8 @@ bool virtqueue_enable_cb(struct virtqueue *vq); >> >> unsigned virtqueue_enable_cb_prepare(struct virtqueue *vq); >> >> +bool virtqueue_enable_cb_avail...

...* Caller must ensure we don't call this with other virtqueue * operations at the same time (except where noted). */ >> diff --git a/include/linux/virtio.h b/include/linux/virtio.h >> index b46671e..bfaf058 100644 >> --- a/include/linux/virtio.h >> +++ b/include/linux/virtio.h >> @@ -65,6 +65,8 @@ bool virtqueue_enable_cb(struct virtqueue *vq); >> >> unsigned virtqueue_enable_cb_prepare(struct virtqueue *vq); >> >> +bool virtqueue_enable_cb_avail...

...ensure we don't call this with other >> virtqueue >> * operations at the same time (except where >> noted). >> */ >> >>>> diff --git a/include/linux/virtio.h b/include/linux/virtio.h >>>> index b46671e..bfaf058 100644 >>>> --- a/include/linux/virtio.h >>>> +++ b/include/linux/virtio.h >>>> @@ -65,6 +65,8 @@ bool virtqueue_enable_cb(struct virtqueue *vq); >>>> >>>> unsigned virtqueue_enable_cb_prepare(struct virtqueue *vq); >>&gt...

...ensure we don't call this with other >> virtqueue >> * operations at the same time (except where >> noted). >> */ >> >>>> diff --git a/include/linux/virtio.h b/include/linux/virtio.h >>>> index b46671e..bfaf058 100644 >>>> --- a/include/linux/virtio.h >>>> +++ b/include/linux/virtio.h >>>> @@ -65,6 +65,8 @@ bool virtqueue_enable_cb(struct virtqueue *vq); >>>> >>>> unsigned virtqueue_enable_cb_prepare(struct virtqueue *vq); >>&gt...

.../virtio_ccw.c | 6 +----- drivers/virtio/virtio.c | 10 ++++++++++ drivers/virtio/virtio_mmio.c | 7 ++----- drivers/virtio/virtio_pci.c | 6 +----- 7 files changed, 18 insertions(+), 28 deletions(-) diff --git a/include/linux/virtio.h b/include/linux/virtio.h index b46671e..3c19bd3 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -108,6 +108,8 @@ void unregister_virtio_device(struct virtio_device *dev); void virtio_break_device(struct virtio_device *dev); +void virtio_config_changed(struct virtio_device *dev); + /** * virtio_driver - operat...

.../virtio_ccw.c | 6 +----- drivers/virtio/virtio.c | 10 ++++++++++ drivers/virtio/virtio_mmio.c | 7 ++----- drivers/virtio/virtio_pci.c | 6 +----- 7 files changed, 18 insertions(+), 28 deletions(-) diff --git a/include/linux/virtio.h b/include/linux/virtio.h index b46671e..3c19bd3 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -108,6 +108,8 @@ void unregister_virtio_device(struct virtio_device *dev); void virtio_break_device(struct virtio_device *dev); +void virtio_config_changed(struct virtio_device *dev); + /** * virtio_driver - operat...

...virtqueue_enable_cb_avail); > + > /** > * virtqueue_poll - query pending used buffers > * @vq: the struct virtqueue we're talking about. Could not figure out what this does. Please add documentation. > diff --git a/include/linux/virtio.h b/include/linux/virtio.h > index b46671e..bfaf058 100644 > --- a/include/linux/virtio.h > +++ b/include/linux/virtio.h > @@ -65,6 +65,8 @@ bool virtqueue_enable_cb(struct virtqueue *vq); > > unsigned virtqueue_enable_cb_prepare(struct virtqueue *vq); > > +bool virtqueue_enable_cb_avail(struct virtqueue *vq); >...

...> > * Caller must ensure we don't call this with other > virtqueue > * operations at the same time (except where > noted). > */ > > >> diff --git a/include/linux/virtio.h b/include/linux/virtio.h > >> index b46671e..bfaf058 100644 > >> --- a/include/linux/virtio.h > >> +++ b/include/linux/virtio.h > >> @@ -65,6 +65,8 @@ bool virtqueue_enable_cb(struct virtqueue *vq); > >> > >> unsigned virtqueue_enable_cb_prepare(struct virtqueue *vq); > >> > >&...

.../virtio_ccw.c | 6 +----- drivers/virtio/virtio.c | 10 ++++++++++ drivers/virtio/virtio_mmio.c | 7 ++----- drivers/virtio/virtio_pci.c | 6 +----- 7 files changed, 18 insertions(+), 28 deletions(-) diff --git a/include/linux/virtio.h b/include/linux/virtio.h index b46671e..3c19bd3 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -108,6 +108,8 @@ void unregister_virtio_device(struct virtio_device *dev); void virtio_break_device(struct virtio_device *dev); +void virtio_config_changed(struct virtio_device *dev); + /** * virtio_driver - operat...

...0/kvm/virtio_ccw.c | 6 +----- drivers/virtio/virtio.c | 9 +++++++++ drivers/virtio/virtio_mmio.c | 7 ++----- drivers/virtio/virtio_pci.c | 6 +----- 7 files changed, 17 insertions(+), 28 deletions(-) diff --git a/include/linux/virtio.h b/include/linux/virtio.h index b46671e..3c19bd3 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -108,6 +108,8 @@ void unregister_virtio_device(struct virtio_device *dev); void virtio_break_device(struct virtio_device *dev); +void virtio_config_changed(struct virtio_device *dev); + /** * virtio_driver - operat...

...ev_to_virtio(_d); + struct virtio_driver *drv = drv_to_virtio(dev->dev.driver); + + err = virtio_feature_negotiate(dev); + if (err) + return err; err = drv->probe(dev); if (err) add_status(dev, VIRTIO_CONFIG_S_FAILED); diff --git a/include/linux/virtio.h b/include/linux/virtio.h index b46671e..49d8ab4 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -98,6 +98,8 @@ struct virtio_device { void *priv; }; +int virtio_feature_negotiate(struct virtio_device *dev); + static inline struct virtio_device *dev_to_virtio(struct device *_dev) { return container_of(_dev, s...

...ev_to_virtio(_d); + struct virtio_driver *drv = drv_to_virtio(dev->dev.driver); + + err = virtio_feature_negotiate(dev); + if (err) + return err; err = drv->probe(dev); if (err) add_status(dev, VIRTIO_CONFIG_S_FAILED); diff --git a/include/linux/virtio.h b/include/linux/virtio.h index b46671e..49d8ab4 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -98,6 +98,8 @@ struct virtio_device { void *priv; }; +int virtio_feature_negotiate(struct virtio_device *dev); + static inline struct virtio_device *dev_to_virtio(struct device *_dev) { return container_of(_dev, s...

...sed_idx); > +} > +EXPORT_SYMBOL_GPL(virtqueue_enable_cb_urgent); > + > /** > * virtqueue_enable_cb_delayed - restart callbacks after disable_cb. > * @vq: the struct virtqueue we're talking about. > diff --git a/include/linux/virtio.h b/include/linux/virtio.h > index b46671e..68be5f2 100644 > --- a/include/linux/virtio.h > +++ b/include/linux/virtio.h > @@ -39,6 +39,12 @@ int virtqueue_add_outbuf(struct virtqueue *vq, > void *data, > gfp_t gfp); > > +int virtqueue_add_outbuf_urgent(struct virtqueue *vq, > + struct scatterlist sg[]...

...; + + return !virtqueue_poll(_vq, last_used_idx); +} +EXPORT_SYMBOL_GPL(virtqueue_enable_cb_urgent); + /** * virtqueue_enable_cb_delayed - restart callbacks after disable_cb. * @vq: the struct virtqueue we're talking about. diff --git a/include/linux/virtio.h b/include/linux/virtio.h index b46671e..68be5f2 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -39,6 +39,12 @@ int virtqueue_add_outbuf(struct virtqueue *vq, void *data, gfp_t gfp); +int virtqueue_add_outbuf_urgent(struct virtqueue *vq, + struct scatterlist sg[], unsigned int num, + void *data, +...

...; + + return !virtqueue_poll(_vq, last_used_idx); +} +EXPORT_SYMBOL_GPL(virtqueue_enable_cb_urgent); + /** * virtqueue_enable_cb_delayed - restart callbacks after disable_cb. * @vq: the struct virtqueue we're talking about. diff --git a/include/linux/virtio.h b/include/linux/virtio.h index b46671e..68be5f2 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -39,6 +39,12 @@ int virtqueue_add_outbuf(struct virtqueue *vq, void *data, gfp_t gfp); +int virtqueue_add_outbuf_urgent(struct virtqueue *vq, + struct scatterlist sg[], unsigned int num, + void *data, +...

On Fri, Jun 20, 2014 at 11:29:40PM +0800, Ming Lei wrote: > Firstly this patch supports more than one virtual queues for virtio-blk > device. > > Secondly this patch maps the virtual queue to blk-mq's hardware queue. > > With this approach, both scalability and performance can be improved. > > Signed-off-by: Ming Lei <ming.lei at canonical.com> > --- >

On Fri, Jun 20, 2014 at 11:29:40PM +0800, Ming Lei wrote: > Firstly this patch supports more than one virtual queues for virtio-blk > device. > > Secondly this patch maps the virtual queue to blk-mq's hardware queue. > > With this approach, both scalability and performance can be improved. > > Signed-off-by: Ming Lei <ming.lei at canonical.com> > --- >

...,7 +835,7 @@ void vring_transport_features(struct virtio_device *vdev) break; default: /* We don't understand this bit. */ - clear_bit(i, vdev->features); + vdev->features &= ~(1 << i); } } } diff --git a/include/linux/virtio.h b/include/linux/virtio.h index b46671e..4b8380a 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -93,8 +93,7 @@ struct virtio_device { const struct virtio_config_ops *config; const struct vringh_config_ops *vringh_config; struct list_head vqs; - /* Note that this is a Linux set_bit-style bitmap. */ - unsigned lo...