[dpdk-dev] [PATCH v3] vhost: add device reset status

[Chenbo Xia <chenbo.xia@intel.com>]

vhost lib now does not have definition of reset status. This patch
adds the reset status definition and changes related log.

Signed-off-by: Chenbo Xia <chenbo.xia@intel.com>
---
 lib/librte_vhost/vhost.h      | 1 +
 lib/librte_vhost/vhost_user.c | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
index 632f66d53..73a1ed889 100644
--- a/lib/librte_vhost/vhost.h
+++ b/lib/librte_vhost/vhost.h
@@ -239,6 +239,7 @@ struct vhost_virtqueue {
 } __rte_cache_aligned;
 
 /* Virtio device status as per Virtio specification */
+#define VIRTIO_DEVICE_STATUS_RESET		0x00
 #define VIRTIO_DEVICE_STATUS_ACK		0x01
 #define VIRTIO_DEVICE_STATUS_DRIVER		0x02
 #define VIRTIO_DEVICE_STATUS_DRIVER_OK		0x04
diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index c3c924fae..501218e19 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -2531,6 +2531,7 @@ vhost_user_set_status(struct virtio_net **pdev, struct VhostUserMsg *msg,
 	}
 
 	VHOST_LOG_CONFIG(INFO, "New device status(0x%08x):\n"
+			"\t-RESET: %u\n"
 			"\t-ACKNOWLEDGE: %u\n"
 			"\t-DRIVER: %u\n"
 			"\t-FEATURES_OK: %u\n"
@@ -2538,6 +2539,7 @@ vhost_user_set_status(struct virtio_net **pdev, struct VhostUserMsg *msg,
 			"\t-DEVICE_NEED_RESET: %u\n"
 			"\t-FAILED: %u\n",
 			dev->status,
+			(dev->status == VIRTIO_DEVICE_STATUS_RESET),
 			!!(dev->status & VIRTIO_DEVICE_STATUS_ACK),
 			!!(dev->status & VIRTIO_DEVICE_STATUS_DRIVER),
 			!!(dev->status & VIRTIO_DEVICE_STATUS_FEATURES_OK),
-- 
2.17.1