vhost: make indirect desc table copy desc type agnostic

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Acked-by: Tiwei Bie <tiwei.bie@intel.com>

diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c
index d6b3089..00fcbef 100644 (file)
--- a/lib/librte_vhost/virtio_net.c
+++ b/lib/librte_vhost/virtio_net.c
@@ -37,16 +37,15 @@ is_valid_virt_queue_idx(uint32_t idx, int is_tx, uint32_t nr_vring)
        return (is_tx ^ (idx & 1)) == 0 && idx < nr_vring;
 }
 
-static __rte_always_inline struct vring_desc *
+static __rte_always_inline void *
 alloc_copy_ind_table(struct virtio_net *dev, struct vhost_virtqueue *vq,
-                                        struct vring_desc *desc)
+               uint64_t desc_addr, uint64_t desc_len)
 {
-       struct vring_desc *idesc;
+       void *idesc;
        uint64_t src, dst;
-       uint64_t len, remain = desc->len;
-       uint64_t desc_addr = desc->addr;
+       uint64_t len, remain = desc_len;
 
-       idesc = rte_malloc(__func__, desc->len, 0);
+       idesc = rte_malloc(__func__, desc_len, 0);
        if (unlikely(!idesc))
                return 0;
 
@@ -72,7 +71,7 @@ alloc_copy_ind_table(struct virtio_net *dev, struct vhost_virtqueue *vq,
 }
 
 static __rte_always_inline void
-free_ind_table(struct vring_desc *idesc)
+free_ind_table(void *idesc)
 {
        rte_free(idesc);
 }
@@ -251,7 +250,8 @@ fill_vec_buf(struct virtio_net *dev, struct vhost_virtqueue *vq,
                         * The indirect desc table is not contiguous
                         * in process VA space, we have to copy it.
                         */
-                       idesc = alloc_copy_ind_table(dev, vq, &vq->desc[idx]);
+                       idesc = alloc_copy_ind_table(dev, vq,
+                                       vq->desc[idx].addr, vq->desc[idx].len);
                        if (unlikely(!idesc))
                                return -1;