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...extra data (besides >+ * identifying the Virtqueue) in their device notifications. >+ */ >+#define VIRTIO_F_NOTIFICATION_DATA 36 >+ > #endif /* _UAPI_LINUX_VIRTIO_CONFIG_H */ >diff --git a/include/uapi/linux/virtio_ring.h b/include/uapi/linux/virtio_ring.h >index 6d5d5faa989b..77b1d4aeef72 100644 >--- a/include/uapi/linux/virtio_ring.h >+++ b/include/uapi/linux/virtio_ring.h >@@ -44,6 +44,9 @@ > /* This means the buffer contains a list of buffer descriptors. */ > #define VRING_DESC_F_INDIRECT 4 > >+#define VRING_DESC_F_AVAIL(b) ((b) << 7) >+#define VRING...

...indicates that drivers pass extra data (besides + * identifying the Virtqueue) in their device notifications. + */ +#define VIRTIO_F_NOTIFICATION_DATA 36 + #endif /* _UAPI_LINUX_VIRTIO_CONFIG_H */ diff --git a/include/uapi/linux/virtio_ring.h b/include/uapi/linux/virtio_ring.h index 6d5d5faa989b..77b1d4aeef72 100644 --- a/include/uapi/linux/virtio_ring.h +++ b/include/uapi/linux/virtio_ring.h @@ -44,6 +44,9 @@ /* This means the buffer contains a list of buffer descriptors. */ #define VRING_DESC_F_INDIRECT 4 +#define VRING_DESC_F_AVAIL(b) ((b) << 7) +#define VRING_DESC_F_USED(b) ((b) << 1...

Hello everyone, This RFC implements a subset of packed ring which is described at https://github.com/oasis-tcs/virtio-docs/blob/master/virtio-v1.1-packed-wd08.pdf The code was tested with DPDK vhost (testpmd/vhost-PMD) implemented by Jens at http://dpdk.org/ml/archives/dev/2018-January/089417.html Minor changes are needed for the vhost code, e.g. to kick the guest. It's not a complete