[dpdk-dev] [PATCH v3] vhost: add device reset status
Chenbo Xia
chenbo.xia at intel.com
Mon Aug 10 15:18:02 CEST 2020
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 at 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
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