search for: vp_notify

...-ENOMEM; > goto error_new_virtqueue; > diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c > index a6c86f916dbd..535263abc2bd 100644 > --- a/drivers/virtio/virtio_pci_common.c > +++ b/drivers/virtio/virtio_pci_common.c > @@ -43,6 +43,16 @@ bool vp_notify(struct virtqueue *vq) > /* we write the queue's selector into the notification register to > * signal the other end */ > iowrite16(vq->index, (void __iomem *)vq->priv); > + > + return true; > +} > + > +bool vp_notify_with_data(struct virtqueue *vq) > +{ &...

...-ENOMEM; > goto error_new_virtqueue; > diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c > index a6c86f916dbd..535263abc2bd 100644 > --- a/drivers/virtio/virtio_pci_common.c > +++ b/drivers/virtio/virtio_pci_common.c > @@ -43,6 +43,16 @@ bool vp_notify(struct virtqueue *vq) > /* we write the queue's selector into the notification register to > * signal the other end */ > iowrite16(vq->index, (void __iomem *)vq->priv); > + > + return true; > +} > + > +bool vp_notify_with_data(struct virtqueue *vq) > +{ &...

...-ENOMEM; > goto error_new_virtqueue; > diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c > index a6c86f916dbd..e915c22f2384 100644 > --- a/drivers/virtio/virtio_pci_common.c > +++ b/drivers/virtio/virtio_pci_common.c > @@ -43,6 +43,16 @@ bool vp_notify(struct virtqueue *vq) > /* we write the queue's selector into the notification register to > * signal the other end */ > iowrite16(vq->index, (void __iomem *)vq->priv); > + > + return true; > +} > + > +bool vp_notify_with_data(struct virtqueue *vq) > +{ &...

...5 +++++++++++++++++++++++++++++++++--------- 1 files changed, 35 insertions(+), 10 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 3671c42..f7b79a2 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -164,6 +164,37 @@ static void vp_notify(struct virtqueue *vq) iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_NOTIFY); } +/* Handle a configuration change: Tell driver if it wants to know. */ +static irqreturn_t vp_config_changed(int irq, void *opaque) +{ + struct virtio_pci_device *vp_dev = opaque; + struct vir...

...5 +++++++++++++++++++++++++++++++++--------- 1 files changed, 35 insertions(+), 10 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 3671c42..f7b79a2 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -164,6 +164,37 @@ static void vp_notify(struct virtqueue *vq) iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_NOTIFY); } +/* Handle a configuration change: Tell driver if it wants to know. */ +static irqreturn_t vp_config_changed(int irq, void *opaque) +{ + struct virtio_pci_device *vp_dev = opaque; + struct vir...

...ble index. In a > packed queue case, the extra data is 1-bit wrap counter and 15-bit > available index. > > Add support for this feature for MMIO, channel I/O and modern PCI > transports. > > Signed-off-by: Viktor Prutyanov <viktor at daynix.com> > --- > v4: remove VP_NOTIFY macro and legacy PCI support, add > virtio_ccw_kvm_notify_with_data to virtio_ccw > v3: support feature in virtio_ccw, remove VM_NOTIFY, use avail_idx_shadow, > remove byte swap, rename to vring_notification_data > v2: reject the feature in virtio_ccw, replace __le32 with u32...

...15-bit > > > available index. > > > > > > Add support for this feature for MMIO, channel I/O and modern PCI > > > transports. > > > > > > Signed-off-by: Viktor Prutyanov <viktor at daynix.com> > > > --- > > > v4: remove VP_NOTIFY macro and legacy PCI support, add > > > virtio_ccw_kvm_notify_with_data to virtio_ccw > > > v3: support feature in virtio_ccw, remove VM_NOTIFY, use avail_idx_shadow, > > > remove byte swap, rename to vring_notification_data > > > v2: reject the feature...

...e index. In a > packed queue case, the extra data is 1-bit wrap counter and 15-bit > available index. > > Add support for this feature for MMIO, channel I/O and modern PCI > transports. > > Signed-off-by: Viktor Prutyanov <viktor at daynix.com> > --- > v4: remove VP_NOTIFY macro and legacy PCI support, add > virtio_ccw_kvm_notify_with_data to virtio_ccw > v3: support feature in virtio_ccw, remove VM_NOTIFY, use avail_idx_shadow, > remove byte swap, rename to vring_notification_data > v2: reject the feature in virtio_ccw, replace __le32 with u32...

...5 +++++++++++++++++++++++++++++++++--------- 1 files changed, 35 insertions(+), 10 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 330aacb..151538c 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -164,6 +164,37 @@ static void vp_notify(struct virtqueue *vq) iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_NOTIFY); } +/* Handle a configuration change: Tell driver if it wants to know. */ +static irqreturn_t vp_config_changed(int irq, void *opaque) +{ + struct virtio_pci_device *vp_dev = opaque; + struct vir...

...3 +++++++++++++++++++++++++++--------------- 1 files changed, 34 insertions(+), 19 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 027f13f..951e673 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -164,6 +164,37 @@ static void vp_notify(struct virtqueue *vq) iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_NOTIFY); } +/* Handle a configuration change: Tell driver if it wants to know. */ +static irqreturn_t vp_config_changed(int irq, void *opaque) +{ + struct virtio_pci_device *vp_dev = opaque; + struct vir...

...3 +++++++++++++++++++++++++++--------------- 1 files changed, 34 insertions(+), 19 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 027f13f..951e673 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -164,6 +164,37 @@ static void vp_notify(struct virtqueue *vq) iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_NOTIFY); } +/* Handle a configuration change: Tell driver if it wants to know. */ +static irqreturn_t vp_config_changed(int irq, void *opaque) +{ + struct virtio_pci_device *vp_dev = opaque; + struct vir...

...5 +++++++++++++++++++++++++++++++++--------- 1 files changed, 35 insertions(+), 10 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 330aacb..151538c 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -164,6 +164,37 @@ static void vp_notify(struct virtqueue *vq) iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_NOTIFY); } +/* Handle a configuration change: Tell driver if it wants to know. */ +static irqreturn_t vp_config_changed(int irq, void *opaque) +{ + struct virtio_pci_device *vp_dev = opaque; + struct vir...

...3 +++++++++++++++++++++++++++--------------- 1 files changed, 34 insertions(+), 19 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 027f13f..951e673 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -164,6 +164,37 @@ static void vp_notify(struct virtqueue *vq) iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_NOTIFY); } +/* Handle a configuration change: Tell driver if it wants to know. */ +static irqreturn_t vp_config_changed(int irq, void *opaque) +{ + struct virtio_pci_device *vp_dev = opaque; + struct vir...

...3 +++++++++++++++++++++++++++--------------- 1 files changed, 34 insertions(+), 19 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 027f13f..951e673 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -164,6 +164,37 @@ static void vp_notify(struct virtqueue *vq) iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_NOTIFY); } +/* Handle a configuration change: Tell driver if it wants to know. */ +static irqreturn_t vp_config_changed(int irq, void *opaque) +{ + struct virtio_pci_device *vp_dev = opaque; + struct vir...

...a data is 1-bit wrap counter and 15-bit > available index. > > Add support for this feature for MMIO, channel I/O and modern PCI > transports. > > Signed-off-by: Viktor Prutyanov <viktor at daynix.com> > --- > v5: replace ternary operator with if-else > v4: remove VP_NOTIFY macro and legacy PCI support, add > virtio_ccw_kvm_notify_with_data to virtio_ccw > v3: support feature in virtio_ccw, remove VM_NOTIFY, use avail_idx_shadow, > remove byte swap, rename to vring_notification_data > v2: reject the feature in virtio_ccw, replace __le32 with u32...

...e, + bool ctx, u16 msix_vec) { struct virtqueue *vq; @@ -132,7 +133,8 @@ static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, /* create the vring */ vq = vring_create_virtqueue(index, num, VIRTIO_PCI_VRING_ALIGN, &vp_dev->vdev, - true, false, vp_notify, callback, name); + true, false, ctx, + vp_notify, callback, name); if (!vq) return ERR_PTR(-ENOMEM); diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index 7bc3004..709f7e2 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio...

...e, + bool ctx, u16 msix_vec) { struct virtqueue *vq; @@ -132,7 +133,8 @@ static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, /* create the vring */ vq = vring_create_virtqueue(index, num, VIRTIO_PCI_VRING_ALIGN, &vp_dev->vdev, - true, false, vp_notify, callback, name); + true, false, ctx, + vp_notify, callback, name); if (!vq) return ERR_PTR(-ENOMEM); diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index 7bc3004..709f7e2 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio...

...tic struct virtio_pci_device *to_vp_device(struct virtio_device *vdev) +{ + return container_of(vdev, struct virtio_pci_device, vdev); +} + +/* wait for pending irq handlers */ +void vp_synchronize_vectors(struct virtio_device *vdev); +/* the notify function used when creating a virt queue */ +bool vp_notify(struct virtqueue *vq); +/* the config->del_vqs() implementation */ +void vp_del_vqs(struct virtio_device *vdev); +/* the config->find_vqs() implementation */ +int vp_find_vqs(struct virtio_device *vdev, unsigned nvqs, + struct virtqueue *vqs[], + vq_callback_t *callbacks[], +...

...tic struct virtio_pci_device *to_vp_device(struct virtio_device *vdev) +{ + return container_of(vdev, struct virtio_pci_device, vdev); +} + +/* wait for pending irq handlers */ +void vp_synchronize_vectors(struct virtio_device *vdev); +/* the notify function used when creating a virt queue */ +bool vp_notify(struct virtqueue *vq); +/* the config->del_vqs() implementation */ +void vp_del_vqs(struct virtio_device *vdev); +/* the config->find_vqs() implementation */ +int vp_find_vqs(struct virtio_device *vdev, unsigned nvqs, + struct virtqueue *vqs[], + vq_callback_t *callbacks[], +...

...tic struct virtio_pci_device *to_vp_device(struct virtio_device *vdev) +{ + return container_of(vdev, struct virtio_pci_device, vdev); +} + +/* wait for pending irq handlers */ +void vp_synchronize_vectors(struct virtio_device *vdev); +/* the notify function used when creating a virt queue */ +bool vp_notify(struct virtqueue *vq); +/* the config->del_vqs() implementation */ +void vp_del_vqs(struct virtio_device *vdev); +/* the config->find_vqs() implementation */ +int vp_find_vqs(struct virtio_device *vdev, unsigned nvqs, + struct virtqueue *vqs[], + vq_callback_t *callbacks[], +...