1 files changed, 15 insertions, 8 deletions

diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index 870ab74b04..66f054a12c 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -368,11 +368,18 @@ static void vhost_vdpa_get_iova_range(struct vhost_vdpa *v)
                                     v->iova_range.last);
 }
 
-static bool vhost_vdpa_one_time_request(struct vhost_dev *dev)
+/*
+ * The use of this function is for requests that only need to be
+ * applied once. Typically such request occurs at the beginning
+ * of operation, and before setting up queues. It should not be
+ * used for request that performs operation until all queues are
+ * set, which would need to check dev->vq_index_end instead.
+ */
+static bool vhost_vdpa_first_dev(struct vhost_dev *dev)
 {
     struct vhost_vdpa *v = dev->opaque;
 
-    return v->index != 0;
+    return v->index == 0;
 }
 
 static int vhost_vdpa_get_dev_features(struct vhost_dev *dev,
@@ -453,7 +460,7 @@ static int vhost_vdpa_init(struct vhost_dev *dev, void *opaque, Error **errp)
 
     vhost_vdpa_get_iova_range(v);
 
-    if (vhost_vdpa_one_time_request(dev)) {
+    if (!vhost_vdpa_first_dev(dev)) {
         return 0;
     }
 
@@ -596,7 +603,7 @@ static int vhost_vdpa_memslots_limit(struct vhost_dev *dev)
 static int vhost_vdpa_set_mem_table(struct vhost_dev *dev,
                                     struct vhost_memory *mem)
 {
-    if (vhost_vdpa_one_time_request(dev)) {
+    if (!vhost_vdpa_first_dev(dev)) {
         return 0;
     }
 
@@ -625,7 +632,7 @@ static int vhost_vdpa_set_features(struct vhost_dev *dev,
     struct vhost_vdpa *v = dev->opaque;
     int ret;
 
-    if (vhost_vdpa_one_time_request(dev)) {
+    if (!vhost_vdpa_first_dev(dev)) {
         return 0;
     }
 
@@ -667,7 +674,7 @@ static int vhost_vdpa_set_backend_cap(struct vhost_dev *dev)
 
     features &= f;
 
-    if (!vhost_vdpa_one_time_request(dev)) {
+    if (vhost_vdpa_first_dev(dev)) {
         r = vhost_vdpa_call(dev, VHOST_SET_BACKEND_FEATURES, &features);
         if (r) {
             return -EFAULT;
@@ -1120,7 +1127,7 @@ static int vhost_vdpa_set_log_base(struct vhost_dev *dev, uint64_t base,
                                      struct vhost_log *log)
 {
     struct vhost_vdpa *v = dev->opaque;
-    if (v->shadow_vqs_enabled || vhost_vdpa_one_time_request(dev)) {
+    if (v->shadow_vqs_enabled || !vhost_vdpa_first_dev(dev)) {
         return 0;
     }
 
@@ -1242,7 +1249,7 @@ static int vhost_vdpa_get_features(struct vhost_dev *dev,
 
 static int vhost_vdpa_set_owner(struct vhost_dev *dev)
 {
-    if (vhost_vdpa_one_time_request(dev)) {
+    if (!vhost_vdpa_first_dev(dev)) {
         return 0;
     }