On 8/6/20 1:34 PM, Chenbo Xia wrote:
> vhost lib now does not have definition of reset status. This patch
> adds the reset status definiton and changes related log.
>
> Signed-off-by: Chenbo Xia <chenbo....@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..1b520ead7 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 & 0) will always be 0, right?
how about (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),
>
--
Adrián Moreno
