search for: vd_get_vdpa

...eue */ + struct virtqueue *vq; + + /* the list node for the virtqueues list */ + struct list_head node; +}; + +static inline struct virtio_vdpa_device * +to_virtio_vdpa_device(struct virtio_device *dev) +{ + return container_of(dev, struct virtio_vdpa_device, vdev); +} + +static struct vdpa_device *vd_get_vdpa(struct virtio_device *vdev) +{ + return to_virtio_vdpa_device(vdev)->vdpa; +} + +static void virtio_vdpa_get(struct virtio_device *vdev, unsigned offset, + void *buf, unsigned len) +{ + struct vdpa_device *vdpa = vd_get_vdpa(vdev); + const struct vdpa_config_ops *ops = vdpa->config; + +...

...eue */ + struct virtqueue *vq; + + /* the list node for the virtqueues list */ + struct list_head node; +}; + +static inline struct virtio_vdpa_device * +to_virtio_vdpa_device(struct virtio_device *dev) +{ + return container_of(dev, struct virtio_vdpa_device, vdev); +} + +static struct vdpa_device *vd_get_vdpa(struct virtio_device *vdev) +{ + return to_virtio_vdpa_device(vdev)->vdpa; +} + +static void virtio_vdpa_get(struct virtio_device *vdev, unsigned offset, + void *buf, unsigned len) +{ + struct vdpa_device *vdpa = vd_get_vdpa(vdev); + const struct vdpa_config_ops *ops = vdpa->config; + +...

....c b/drivers/virtio/virtio_vdpa.c index c30eb55030be..4a9ddb44b2a7 100644 --- a/drivers/virtio/virtio_vdpa.c +++ b/drivers/virtio/virtio_vdpa.c @@ -57,9 +57,8 @@ static void virtio_vdpa_get(struct virtio_device *vdev, unsigned offset, void *buf, unsigned len) { struct vdpa_device *vdpa = vd_get_vdpa(vdev); - const struct vdpa_config_ops *ops = vdpa->config; - ops->get_config(vdpa, offset, buf, len); + vdpa_get_config(vdpa, offset, buf, len); } static void virtio_vdpa_set(struct virtio_device *vdev, unsigned offset, @@ -101,9 +100,8 @@ static void virtio_vdpa_set_status(struct virti...

...c index d7f5af62dda..bdaf30f7fbf 100644 --- a/drivers/virtio/virtio_vdpa.c +++ b/drivers/virtio/virtio_vdpa.c @@ -112,6 +112,17 @@ static bool virtio_vdpa_notify(struct virtqueue *vq) return true; } +static bool virtio_vdpa_notify_with_data(struct virtqueue *vq) +{ + struct vdpa_device *vdpa = vd_get_vdpa(vq->vdev); + const struct vdpa_config_ops *ops = vdpa->config; + u32 data = vring_notification_data(vq); + + ops->kick_vq_with_data(vdpa, data); + + return true; +} + static irqreturn_t virtio_vdpa_config_cb(void *private) { struct virtio_vdpa_device *vd_dev = private; @@ -138,6 +149,7...

Hi all: This is an update version of vDPA support in kernel. vDPA device is a device that uses a datapath which complies with the virtio specifications with vendor specific control path. vDPA devices can be both physically located on the hardware or emulated by software. vDPA hardware devices are usually implemented through PCIE with the following types: - PF (Physical Function) - A single

Hi all: This is an update version of vDPA support in kernel. vDPA device is a device that uses a datapath which complies with the virtio specifications with vendor specific control path. vDPA devices can be both physically located on the hardware or emulated by software. vDPA hardware devices are usually implemented through PCIE with the following types: - PF (Physical Function) - A single

...; --- a/drivers/virtio/virtio_vdpa.c > +++ b/drivers/virtio/virtio_vdpa.c > @@ -282,9 +282,13 @@ static int virtio_vdpa_find_vqs(struct virtio_device *vdev, unsigned int nvqs, > struct virtio_vdpa_device *vd_dev = to_virtio_vdpa_device(vdev); > struct vdpa_device *vdpa = vd_get_vdpa(vdev); > const struct vdpa_config_ops *ops = vdpa->config; > + struct irq_affinity default_affd = { 0 }; > struct vdpa_callback cb; > int i, err, queue_idx = 0; > > + if (ops->set_irq_affinity) > + ops->set_irq_affinity...

Hi all: This is an updated version of kernel support for vDPA device. Various changes were made based on the feedback since last verion. One major change is to drop the sysfs API and leave the management interface for future development, and introudce the incremental DMA bus operations. Please see changelog for more information. The work on vhost, IFCVF (intel VF driver for vDPA) and qemu is

...gt; drivers/virtio/virtio_vdpa.c:302:1: warning: control reaches end of non-void function [-Wreturn-type] 302 | } | ^ vim +301 drivers/virtio/virtio_vdpa.c 292 293 static int virtio_vdpa_finalize_features(struct virtio_device *vdev) 294 { 295 struct vdpa_device *vdpa = vd_get_vdpa(vdev); 296 const struct vdpa_config_ops *ops = vdpa->config; 297 298 /* Give virtio_ring a chance to accept features. */ 299 vring_transport_features(vdev); 300 > 301 return vdpa_set_features(vdpa, vdev->features); > 302 } 303 --- 0-DAY CI Kernel Test Service...

...--- a/drivers/virtio/virtio_vdpa.c > +++ b/drivers/virtio/virtio_vdpa.c > @@ -112,6 +112,17 @@ static bool virtio_vdpa_notify(struct virtqueue *vq) > return true; > } > > +static bool virtio_vdpa_notify_with_data(struct virtqueue *vq) > +{ > + struct vdpa_device *vdpa = vd_get_vdpa(vq->vdev); > + const struct vdpa_config_ops *ops = vdpa->config; > + u32 data = vring_notification_data(vq); > + > + ops->kick_vq_with_data(vdpa, data); > + > + return true; > +} > + > static irqreturn_t virtio_vdpa_config_cb(void *private) > { > struct...

...ers/virtio/virtio_vdpa.c > +++ b/drivers/virtio/virtio_vdpa.c > @@ -112,6 +112,17 @@ static bool virtio_vdpa_notify(struct virtqueue *vq) > return true; > } > > +static bool virtio_vdpa_notify_with_data(struct virtqueue *vq) > +{ > + struct vdpa_device *vdpa = vd_get_vdpa(vq->vdev); > + const struct vdpa_config_ops *ops = vdpa->config; > + u32 data = vring_notification_data(vq); > + > + ops->kick_vq_with_data(vdpa, data); > + > + return true; > +} > + > static irqreturn_t virtio_vdpa_config_cb(void *privat...

...c index d7f5af62dda..737c1f36d32 100644 --- a/drivers/virtio/virtio_vdpa.c +++ b/drivers/virtio/virtio_vdpa.c @@ -112,6 +112,17 @@ static bool virtio_vdpa_notify(struct virtqueue *vq) return true; } +static bool virtio_vdpa_notify_with_data(struct virtqueue *vq) +{ + struct vdpa_device *vdpa = vd_get_vdpa(vq->vdev); + const struct vdpa_config_ops *ops = vdpa->config; + u32 data = vring_notification_data(vq); + + ops->kick_vq_with_data(vdpa, data); + + return true; +} + static irqreturn_t virtio_vdpa_config_cb(void *private) { struct virtio_vdpa_device *vd_dev = private; @@ -138,6 +149,7...

Config space endian-ness is currently a mess: fields are not tagged with the correct endian-ness so it's easy to make mistakes like instanciating config space in native endian-ness. The following patches adding sparse tagging are currently in my tree. Lightly tested. As a follow-up, I plan to add new APIs that handle modern config space in a more efficient way (bypassing the version check).