examples/vhost: demonstrate the new generic APIs

[dpdk.git] / examples / vhost / main.h

diff --git a/examples/vhost/main.h b/examples/vhost/main.h
index ddcd858..9a2aca3 100644 (file)
--- a/examples/vhost/main.h
+++ b/examples/vhost/main.h
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2017 Intel Corporation. All rights reserved.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -45,6 +45,8 @@
 
 enum {VIRTIO_RXQ, VIRTIO_TXQ, VIRTIO_QNUM};
 
+#define MAX_PKT_BURST 32               /* Max burst size for RX/TX */
+
 struct device_statistics {
        uint64_t        tx;
        uint64_t        tx_total;
@@ -52,6 +54,12 @@ struct device_statistics {
        rte_atomic64_t  rx_total_atomic;
 };
 
+struct vhost_queue {
+       struct rte_vhost_vring  vr;
+       uint16_t                last_avail_idx;
+       uint16_t                last_used_idx;
+};
+
 struct vhost_dev {
        /**< Number of memory regions for gpa to hpa translation. */
        uint32_t nregions_hpa;
@@ -69,9 +77,16 @@ struct vhost_dev {
        volatile uint8_t remove;
 
        int vid;
+       uint64_t features;
+       size_t hdr_len;
+       uint16_t nr_vrings;
+       struct rte_vhost_memory *mem;
        struct device_statistics stats;
        TAILQ_ENTRY(vhost_dev) global_vdev_entry;
        TAILQ_ENTRY(vhost_dev) lcore_vdev_entry;
+
+#define MAX_QUEUE_PAIRS        4
+       struct vhost_queue queues[MAX_QUEUE_PAIRS * 2];
 } __rte_cache_aligned;
 
 TAILQ_HEAD(vhost_dev_tailq_list, vhost_dev);
@@ -92,4 +107,15 @@ struct lcore_info {
        struct vhost_dev_tailq_list vdev_list;
 };
 
+/* we implement non-extra virtio net features */
+#define VIRTIO_NET_FEATURES    0
+
+void vs_vhost_net_setup(struct vhost_dev *dev);
+void vs_vhost_net_remove(struct vhost_dev *dev);
+uint16_t vs_enqueue_pkts(struct vhost_dev *dev, uint16_t queue_id,
+                        struct rte_mbuf **pkts, uint32_t count);
+
+uint16_t vs_dequeue_pkts(struct vhost_dev *dev, uint16_t queue_id,
+                        struct rte_mempool *mbuf_pool,
+                        struct rte_mbuf **pkts, uint16_t count);
 #endif /* _MAIN_H_ */