From: JinYu <jin.yu@intel.com>
To: dev@dpdk.org
Cc: changpeng.liu@intel.com, maxime.coquelin@redhat.com,
tiwei.bie@intel.com, zhihong.wang@intel.com,
JinYu <jin.yu@intel.com>, Lin Li <lilin24@baidu.com>,
Xun Ni <nixun@baidu.com>, Yu Zhang <zhangyu31@baidu.com>
Subject: [dpdk-dev] [PATCH v7 09/11] vhost: add an API for judging vq format
Date: Tue, 17 Sep 2019 22:52:32 +0800 [thread overview]
Message-ID: <20190917145234.16951-10-jin.yu@intel.com> (raw)
In-Reply-To: <20190917145234.16951-1-jin.yu@intel.com>
This patch introduces an API for getting virtqueue format.
Signed-off-by: Lin Li <lilin24@baidu.com>
Signed-off-by: Xun Ni <nixun@baidu.com>
Signed-off-by: Yu Zhang <zhangyu31@baidu.com>
Signed-off-by: Jin Yu <jin.yu@intel.com>
---
lib/librte_vhost/rte_vhost.h | 13 +++++++++++++
lib/librte_vhost/vhost.c | 12 ++++++++++++
2 files changed, 25 insertions(+)
diff --git a/lib/librte_vhost/rte_vhost.h b/lib/librte_vhost/rte_vhost.h
index 8b6435d0d..6d768c550 100644
--- a/lib/librte_vhost/rte_vhost.h
+++ b/lib/librte_vhost/rte_vhost.h
@@ -11,6 +11,7 @@
*/
#include <stdint.h>
+#include <stdbool.h>
#include <sys/eventfd.h>
#include <rte_memory.h>
@@ -678,6 +679,18 @@ uint16_t rte_vhost_dequeue_burst(int vid, uint16_t queue_id,
*/
int rte_vhost_get_mem_table(int vid, struct rte_vhost_memory **mem);
+/**
+ * Get vq is packed
+ *
+ * @param vid
+ * vhost device ID
+ * @return
+ * true on packed, false on split
+ */
+__rte_experimental
+bool
+rte_vhost_vq_is_packed(int vid);
+
/**
* Get guest vring info, including the vring address, vring size, etc.
*
diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c
index 1b6dcca98..372a25375 100644
--- a/lib/librte_vhost/vhost.c
+++ b/lib/librte_vhost/vhost.c
@@ -753,6 +753,18 @@ rte_vhost_get_mem_table(int vid, struct rte_vhost_memory **mem)
return 0;
}
+bool
+rte_vhost_vq_is_packed(int vid)
+{
+ struct virtio_net *dev;
+
+ dev = get_device(vid);
+ if (unlikely(!dev))
+ return -1;
+
+ return vq_is_packed(dev);
+}
+
int
rte_vhost_get_vhost_vring(int vid, uint16_t vring_idx,
struct rte_vhost_vring *vring)
--
2.17.2
next prev parent reply other threads:[~2019-09-17 7:10 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20190829141224.49700>
2019-09-17 14:52 ` [dpdk-dev] [PATCH v7 00/11] vhost: support inflight share memory protocol feature JinYu
2019-09-17 14:52 ` [dpdk-dev] [PATCH v7 01/11] vhost: add the inflight description JinYu
2019-09-18 1:29 ` Tiwei Bie
2019-09-18 1:37 ` Yu, Jin
2019-09-17 14:52 ` [dpdk-dev] [PATCH v7 02/11] vhost: add packed ring JinYu
2019-09-17 14:52 ` [dpdk-dev] [PATCH v7 03/11] vhost: add the inflight structure JinYu
2019-09-17 14:52 ` [dpdk-dev] [PATCH v7 04/11] vhost: add two new messages to support a shared buffer JinYu
2019-09-17 12:55 ` Aaron Conole
2019-09-17 14:52 ` [dpdk-dev] [PATCH v7 05/11] vhost: checkout and cleanup the resubmit inflight information JinYu
2019-09-17 14:52 ` [dpdk-dev] [PATCH v7 06/11] vhost: add the APIs to operate inflight ring JinYu
2019-09-17 14:52 ` [dpdk-dev] [PATCH v7 07/11] vhost: add APIs for user getting " JinYu
2019-09-17 14:52 ` [dpdk-dev] [PATCH v7 08/11] vhost: fix vring functions to support packed ring JinYu
2019-09-18 5:47 ` Tiwei Bie
2019-09-17 14:52 ` JinYu [this message]
2019-09-17 14:52 ` [dpdk-dev] [PATCH v7 10/11] vhost: add APIs to rte_vhost version map JinYu
2019-09-18 6:05 ` Tiwei Bie
2019-09-18 6:31 ` Yu, Jin
2019-09-17 14:52 ` [dpdk-dev] [PATCH v7 11/11] vhost: add vhost-user-blk example which support inflight JinYu
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