Function vhost_crypto_finalize_one_request

dpdk/lib/vhost/vhost_crypto.c:1292–1329

}

static __rte_always_inline struct vhost_virtqueue *
vhost_crypto_finalize_one_request(struct rte_crypto_op *op,
		struct vhost_virtqueue *old_vq)
{
	struct rte_mbuf *m_src = op->sym->m_src;
	struct rte_mbuf *m_dst = op->sym->m_dst;
	struct vhost_crypto_data_req *vc_req = rte_mbuf_to_priv(m_src);
	struct vhost_virtqueue *vq;
	uint16_t used_idx, desc_idx;

	if (unlikely(!vc_req)) {
		VC_LOG_ERR("Failed to retrieve vc_req");
		return NULL;
	}
	vq = vc_req->vq;
	used_idx = vc_req->desc_idx;

	if (old_vq && (vq != old_vq))
		return vq;

	if (unlikely(op->status != RTE_CRYPTO_OP_STATUS_SUCCESS))
		vc_req->inhdr->status = VIRTIO_CRYPTO_ERR;
	else {
		if (vc_req->zero_copy == 0)
			write_back_data(vc_req);
	}

	desc_idx = vq->avail->ring[used_idx];
	vq->used->ring[desc_idx].id = vq->avail->ring[desc_idx];
	vq->used->ring[desc_idx].len = vc_req->len;

	rte_mempool_put(m_src->pool, (void *)m_src);

	if (m_dst)
		rte_mempool_put(m_dst->pool, (void *)m_dst);

	return vc_req->vq;
}

static __rte_always_inline uint16_t
vhost_crypto_complete_one_vm_requests(struct rte_crypto_op **ops,