[dpdk-dev] [PATCH v6 03/10] vhost: add the inflight structure

JinYu jin.yu at intel.com
Thu Aug 29 16:12:17 CEST 2019


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

Signed-off-by: Lin Li <lilin24 at baidu.com>
Signed-off-by: Xun Ni <nixun at baidu.com>
Signed-off-by: Yu Zhang <zhangyu31 at baidu.com>
Signed-off-by: Jin Yu <jin.yu at 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..1d6b7a1cf 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 inflight_desc_split {
+	uint8_t inflight;
+	uint8_t padding[5];
+	uint16_t next;
+	uint64_t counter;
+};
+
+struct inflight_info_split {
+	uint64_t features;
+	uint16_t version;
+	uint16_t desc_num;
+	uint16_t last_inflight_io;
+	uint16_t used_idx;
+	struct inflight_desc_split desc[0];
+};
+
+struct 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 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 inflight_desc_packed desc[0];
+};
+
 struct rte_vhost_vring {
 	union {
 		struct vring_desc *desc;
-- 
2.17.2



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