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Diffstat (limited to 'hw/net/virtio-net.c')
-rw-r--r--hw/net/virtio-net.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 403a693baf..9959f1932b 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -2039,6 +2039,22 @@ static ssize_t virtio_net_receive_rcu(NetClientState *nc, const uint8_t *buf,
goto err;
}
+ /* Mark dirty page's bitmap of guest memory */
+ if (vdev->lm_logging_ctrl == LM_ENABLE) {
+ uint64_t chunk = elem->in_addr[i] / VHOST_LOG_CHUNK;
+ /* Get chunk index */
+ BitmapMemoryRegionCaches *caches = qatomic_rcu_read(&vdev->caches);
+ uint64_t index = chunk / 8;
+ uint64_t shift = chunk % 8;
+ uint8_t val = 0;
+ address_space_read_cached(&caches->bitmap, index, &val,
+ sizeof(val));
+ val |= 1 << shift;
+ address_space_write_cached(&caches->bitmap, index, &val,
+ sizeof(val));
+ address_space_cache_invalidate(&caches->bitmap, index, sizeof(val));
+ }
+
elems[i] = elem;
lens[i] = total;
i++;