[dpdk-dev] [PATCH v7 03/10] vhost: add the inflight structure

[Jin Yu]

This patch adds the inflight queue region structure include
the split and packed.

Signed-off-by: Lin Li <lili...@baidu.com>
Signed-off-by: Xun Ni <ni...@baidu.com>
Signed-off-by: Yu Zhang <zhangy...@baidu.com>
Signed-off-by: Jin Yu <jin...@intel.com>
---
 lib/librte_vhost/rte_vhost.h | 43 ++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/lib/librte_vhost/rte_vhost.h b/lib/librte_vhost/rte_vhost.h
index 7257f0965..644b3e0d7 100644
--- a/lib/librte_vhost/rte_vhost.h
+++ b/lib/librte_vhost/rte_vhost.h
@@ -102,6 +102,49 @@ struct rte_vhost_memory {
        struct rte_vhost_mem_region regions[];
 };
 
+struct rte_vhost_inflight_desc_split {
+       uint8_t inflight;
+       uint8_t padding[5];
+       uint16_t next;
+       uint64_t counter;
+};
+
+struct rte_vhost_inflight_info_split {
+       uint64_t features;
+       uint16_t version;
+       uint16_t desc_num;
+       uint16_t last_inflight_io;
+       uint16_t used_idx;
+       struct rte_vhost_inflight_desc_split desc[0];
+};
+
+struct rte_vhost_inflight_desc_packed {
+       uint8_t inflight;
+       uint8_t padding;
+       uint16_t next;
+       uint16_t last;
+       uint16_t num;
+       uint64_t counter;
+       uint16_t id;
+       uint16_t flags;
+       uint32_t len;
+       uint64_t addr;
+       };
+
+struct rte_vhost_inflight_info_packed {
+       uint64_t features;
+       uint16_t version;
+       uint16_t desc_num;
+       uint16_t free_head;
+       uint16_t old_free_head;
+       uint16_t used_idx;
+       uint16_t old_used_idx;
+       uint8_t used_wrap_counter;
+       uint8_t old_used_wrap_counter;
+       uint8_t padding[7];
+       struct rte_vhost_inflight_desc_packed desc[0];
+};
+
 struct rte_vhost_vring {
        union {
                struct vring_desc *desc;
-- 
2.17.2