X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_vhost%2Fvhost.h;h=9f11b28a31bf833a587afc48274a1d20bf1f4073;hb=0ab9d1cfd01bd2980a053d80c2c4ccd3dc6515ac;hp=a2b9221e0d007d6851773a8a6845b8c3d898cc2a;hpb=934274065a596f7fc7d4d5bfe5ab039390915a49;p=dpdk.git

diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
index a2b9221e0d..9f11b28a31 100644
--- 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;