Re: [PATCH v2 7/7] virtio: add 1.0 support
From: Xie, Huawei <hidden>
Date: 2016-01-14 07:47:36
On 1/12/2016 2:58 PM, Yuanhan Liu wrote:
Modern (v1.0) virtio pci device defines several pci capabilities.
[snip]
+static void
+modern_notify_queue(struct virtio_hw *hw __rte_unused, struct virtqueue *vq)
+{
+ modern_write16(1, vq->notify_addr);
+}Does virtio 1.0 only supports MMIO? MMIO has long VMEXIT latency than PORT IO. [snip]