mbuf: extend mbuf pool private structure

[dpdk.git] / lib / librte_vhost / vhost.h

diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
index a2b9221..9f11b28 100644 (file)
--- a/lib/librte_vhost/vhost.h
+++ b/lib/librte_vhost/vhost.h
@@ -39,6 +39,14 @@
 
 #define VHOST_LOG_CACHE_NR 32
 
+#define PACKED_DESC_ENQUEUE_USED_FLAG(w)       \
+       ((w) ? (VRING_DESC_F_AVAIL | VRING_DESC_F_USED | VRING_DESC_F_WRITE) : \
+               VRING_DESC_F_WRITE)
+#define PACKED_DESC_DEQUEUE_USED_FLAG(w)       \
+       ((w) ? (VRING_DESC_F_AVAIL | VRING_DESC_F_USED) : 0x0)
+#define PACKED_DESC_SINGLE_DEQUEUE_FLAG (VRING_DESC_F_NEXT | \
+                                        VRING_DESC_F_INDIRECT)
+
 #define PACKED_BATCH_SIZE (RTE_CACHE_LINE_SIZE / \
                            sizeof(struct vring_packed_desc))
 #define PACKED_BATCH_MASK (PACKED_BATCH_SIZE - 1)
@@ -108,6 +116,7 @@ struct log_cache_entry {
 
 struct vring_used_elem_packed {
        uint16_t id;
+       uint16_t flags;
        uint32_t len;
        uint32_t count;
 };
@@ -171,6 +180,10 @@ struct vhost_virtqueue {
                struct vring_used_elem_packed *shadow_used_packed;
        };
        uint16_t                shadow_used_idx;
+       /* Record packed ring enqueue latest desc cache aligned index */
+       uint16_t                shadow_aligned_idx;
+       /* Record packed ring first dequeue desc index */
+       uint16_t                shadow_last_used_idx;
        struct vhost_vring_addr ring_addrs;
 
        struct batch_copy_elem  *batch_copy_elems;