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authorMaxime Coquelin2020-06-18 15:45:01 +0200
committerMichael S. Tsirkin2020-07-03 13:57:04 +0200
commit553dc662bbb4b5ce73b07db9202e9366aaba153c (patch)
tree23a606b9f466b035bb9afc767afbd1c78085bbd5 /docs/interop
parenttests/acpi: remove stale allowed tables (diff)
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docs: vhost-user: add Virtio status protocol feature
This patch specifies the VHOST_USER_SET_STATUS and VHOST_USER_GET_STATUS requests, which are sent by the master to update and query the Virtio status in the backend. Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com> Message-Id: <20200618134501.145747-1-maxime.coquelin@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'docs/interop')
-rw-r--r--docs/interop/vhost-user.rst24
1 files changed, 24 insertions, 0 deletions
diff --git a/docs/interop/vhost-user.rst b/docs/interop/vhost-user.rst
index 688b7c6900..10e3e3475e 100644
--- a/docs/interop/vhost-user.rst
+++ b/docs/interop/vhost-user.rst
@@ -816,6 +816,7 @@ Protocol features
#define VHOST_USER_PROTOCOL_F_RESET_DEVICE 13
#define VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS 14
#define VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS 15
+ #define VHOST_USER_PROTOCOL_F_STATUS 16
Master message types
--------------------
@@ -1307,6 +1308,29 @@ Master message types
``VHOST_USER_ADD_MEM_REG`` message, this message is used to set and
update the memory tables of the slave device.
+``VHOST_USER_SET_STATUS``
+ :id: 39
+ :equivalent ioctl: VHOST_VDPA_SET_STATUS
+ :slave payload: N/A
+ :master payload: ``u64``
+
+ When the ``VHOST_USER_PROTOCOL_F_STATUS`` protocol feature has been
+ successfully negotiated, this message is submitted by the master to
+ notify the backend with updated device status as defined in the Virtio
+ specification.
+
+``VHOST_USER_GET_STATUS``
+ :id: 40
+ :equivalent ioctl: VHOST_VDPA_GET_STATUS
+ :slave payload: ``u64``
+ :master payload: N/A
+
+ When the ``VHOST_USER_PROTOCOL_F_STATUS`` protocol feature has been
+ successfully negotiated, this message is submitted by the master to
+ query the backend for its device status as defined in the Virtio
+ specification.
+
+
Slave message types
-------------------