docs/interop/vhost-user.rst

80 - Bit 2 is the reply flag - needs to be sent on each reply from the back-end
381 vhost for the Linux Kernel. Most messages that can be sent via the
509 queue in the sent message to identify a specified queue.
712 either front-end sent an update message containing the IOTLB entry
713 containing requested address and permission, or front-end sent nothing if
1132    This is no longer used. Used to be sent to request disabling all
1315   This request should be sent only when ``VHOST_USER_PROTOCOL_F_MQ``
1327   This request should be sent only when
1354   This request should be sent only when ``VIRTIO_NET_F_MTU`` feature
1373   This request should be sent only when
1405   This request should be sent only when
1446   This request should be sent only when
1460   This request should be sent only when
1484   This is always sent sometime after a ``VHOST_USER_POSTCOPY_ADVISE``,
1497   is sent at the end of the migration, after
1498   ``VHOST_USER_POSTCOPY_LISTEN`` was previously sent.
1733 For this type of message, the request is sent by the back-end and the reply
1734 is sent by the front-end.
1783   request is sent with a file descriptor.
1785   This request should be sent only when
1862   operation fails, no fd is sent to the backend.
1871 commands are sent over an ``ioctl()`` call and block until the back-end