X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_vhost%2Fvhost.h;h=2087d1400e702d22cff04ba6108f25cc1fecae80;hb=cdfa0dc1702bcfe6c403d3cfe4046b29c8e6c5b9;hp=686ce42a209d03a6f34449944af1a5d77bfc84a2;hpb=74f45f872ce642156e3cec10f35575b8e61397de;p=dpdk.git

diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
index 686ce42a20..2087d1400e 100644
--- a/lib/librte_vhost/vhost.h
+++ b/lib/librte_vhost/vhost.h
@@ -462,14 +462,23 @@ static __rte_always_inline void
 vhost_log_cache_used_vring(struct virtio_net *dev, struct vhost_virtqueue *vq,
 			uint64_t offset, uint64_t len)
 {
-	vhost_log_cache_write(dev, vq, vq->log_guest_addr + offset, len);
+	if (unlikely(dev->features & (1ULL << VHOST_F_LOG_ALL))) {
+		if (unlikely(vq->log_guest_addr == 0))
+			return;
+		__vhost_log_cache_write(dev, vq, vq->log_guest_addr + offset,
+					len);
+	}
 }
 
 static __rte_always_inline void
 vhost_log_used_vring(struct virtio_net *dev, struct vhost_virtqueue *vq,
 		     uint64_t offset, uint64_t len)
 {
-	vhost_log_write(dev, vq->log_guest_addr + offset, len);
+	if (unlikely(dev->features & (1ULL << VHOST_F_LOG_ALL))) {
+		if (unlikely(vq->log_guest_addr == 0))
+			return;
+		__vhost_log_write(dev, vq->log_guest_addr + offset, len);
+	}
 }
 
 static __rte_always_inline void
@@ -626,6 +635,8 @@ void *vhost_alloc_copy_ind_table(struct virtio_net *dev,
 			struct vhost_virtqueue *vq,
 			uint64_t desc_addr, uint64_t desc_len);
 int vring_translate(struct virtio_net *dev, struct vhost_virtqueue *vq);
+uint64_t translate_log_addr(struct virtio_net *dev, struct vhost_virtqueue *vq,
+		uint64_t log_addr);
 void vring_invalidate(struct virtio_net *dev, struct vhost_virtqueue *vq);
 
 static __rte_always_inline uint64_t