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qemu-options: update to show preferred boolean syntax for -chardev 

The preferred syntax is to use "foo=on|off", rather than a bare
"foo" or "nofoo".

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20210216191027.595031-3-berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2021-02-16 19:10:19 +00:00 committed by Paolo Bonzini
parent 87c9991a0c
commit bfdc126768
1 changed files with 39 additions and 39 deletions
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78
qemu-options.hx
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@ -3032,13 +3032,13 @@ DEFHEADING(Character device options:)
DEF("chardev", HAS_ARG, QEMU_OPTION_chardev,
"-chardev help\n"
"-chardev null,id=id[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
"-chardev socket,id=id[,host=host],port=port[,to=to][,ipv4][,ipv6][,nodelay][,reconnect=seconds]\n"
" [,server][,nowait][,telnet][,websocket][,reconnect=seconds][,mux=on|off]\n"
"-chardev socket,id=id[,host=host],port=port[,to=to][,ipv4=on|off][,ipv6=on|off][,delay=on|off][,reconnect=seconds]\n"
" [,server=on|off][,wait=on|off][,telnet=on|off][,websocket=on|off][,reconnect=seconds][,mux=on|off]\n"
" [,logfile=PATH][,logappend=on|off][,tls-creds=ID][,tls-authz=ID] (tcp)\n"
"-chardev socket,id=id,path=path[,server][,nowait][,telnet][,websocket][,reconnect=seconds]\n"
"-chardev socket,id=id,path=path[,server=on|off][,wait=on|off][,telnet=on|off][,websocket=on|off][,reconnect=seconds]\n"
" [,mux=on|off][,logfile=PATH][,logappend=on|off][,abstract=on|off][,tight=on|off] (unix)\n"
"-chardev udp,id=id[,host=host],port=port[,localaddr=localaddr]\n"
" [,localport=localport][,ipv4][,ipv6][,mux=on|off]\n"
" [,localport=localport][,ipv4=on|off][,ipv6=on|off][,mux=on|off]\n"
" [,logfile=PATH][,logappend=on|off]\n"
"-chardev msmouse,id=id[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
"-chardev vc,id=id[[,width=width][,height=height]][[,cols=cols][,rows=rows]]\n"
@ -3148,21 +3148,21 @@ The available backends are:
A void device. This device will not emit any data, and will drop any
data it receives. The null backend does not take any options.
``-chardev socket,id=id[,TCP options or unix options][,server][,nowait][,telnet][,websocket][,reconnect=seconds][,tls-creds=id][,tls-authz=id]``
``-chardev socket,id=id[,TCP options or unix options][,server=on|off][,wait=on|off][,telnet=on|off][,websocket=on|off][,reconnect=seconds][,tls-creds=id][,tls-authz=id]``
Create a two-way stream socket, which can be either a TCP or a unix
socket. A unix socket will be created if ``path`` is specified.
Behaviour is undefined if TCP options are specified for a unix
socket.
``server`` specifies that the socket shall be a listening socket.
``server=on|off`` specifies that the socket shall be a listening socket.
``nowait`` specifies that QEMU should not block waiting for a client
``wait=on|off`` specifies that QEMU should not block waiting for a client
to connect to a listening socket.
``telnet`` specifies that traffic on the socket should interpret
``telnet=on|off`` specifies that traffic on the socket should interpret
telnet escape sequences.
``websocket`` specifies that the socket uses WebSocket protocol for
``websocket=on|off`` specifies that the socket uses WebSocket protocol for
communication.
``reconnect`` sets the timeout for reconnecting on non-server
@ -3183,7 +3183,7 @@ The available backends are:
TCP and unix socket options are given below:
``TCP options: port=port[,host=host][,to=to][,ipv4][,ipv6][,nodelay]``
``TCP options: port=port[,host=host][,to=to][,ipv4=on|off][,ipv6=on|off][,delay=on|off]``
``host`` for a listening socket specifies the local address to
be bound. For a connecting socket species the remote host to
connect to. ``host`` is optional for listening sockets. If not
@ -3199,21 +3199,21 @@ The available backends are:
bind to subsequent ports up to and including ``to`` until it
succeeds. ``to`` must be specified as a port number.
``ipv4`` and ``ipv6`` specify that either IPv4 or IPv6 must be
used. If neither is specified the socket may use either
protocol.
``ipv4=on|off`` and ``ipv6=on|off`` specify that either IPv4
or IPv6 must be used. If neither is specified the socket may
use either protocol.
``nodelay`` disables the Nagle algorithm.
``delay=on|off`` disables the Nagle algorithm.
``unix options: path=path[,abstract=on|off][,tight=on|off]``
``path`` specifies the local path of the unix socket. ``path``
is required.
``abstract`` specifies the use of the abstract socket namespace,
``abstract=on|off`` specifies the use of the abstract socket namespace,
rather than the filesystem. Optional, defaults to false.
``tight`` sets the socket length of abstract sockets to their minimum,
``tight=on|off`` sets the socket length of abstract sockets to their minimum,
rather than the full sun_path length. Optional, defaults to true.
``-chardev udp,id=id[,host=host],port=port[,localaddr=localaddr][,localport=localport][,ipv4][,ipv6]``
``-chardev udp,id=id[,host=host],port=port[,localaddr=localaddr][,localport=localport][,ipv4=on|off][,ipv6=on|off]``
Sends all traffic from the guest to a remote host over UDP.
``host`` specifies the remote host to connect to. If not specified
@ -3228,7 +3228,7 @@ The available backends are:
``localport`` specifies the local port to bind to. If not specified
any available local port will be used.
``ipv4`` and ``ipv6`` specify that either IPv4 or IPv6 must be used.
``ipv4=on|off`` and ``ipv6=on|off`` specify that either IPv4 or IPv6 must be used.
If neither is specified the device may use either protocol.
``-chardev msmouse,id=id``
@ -3592,30 +3592,30 @@ SRST
``telnet options:``
localhost 5555
``tcp:[host]:port[,server][,nowait][,nodelay][,reconnect=seconds]``
``tcp:[host]:port[,server=on|off][,wait=on|off][,delay=on|off][,reconnect=seconds]``
The TCP Net Console has two modes of operation. It can send the
serial I/O to a location or wait for a connection from a
location. By default the TCP Net Console is sent to host at the
port. If you use the server option QEMU will wait for a client
port. If you use the ``server=on`` option QEMU will wait for a client
socket application to connect to the port before continuing,
unless the ``nowait`` option was specified. The ``nodelay``
option disables the Nagle buffering algorithm. The ``reconnect``
option only applies if noserver is set, if the connection goes
unless the ``wait=on|off`` option was specified. The ``delay=on|off``
option disables the Nagle buffering algorithm. The ``reconnect=on``
option only applies if ``server=no`` is set, if the connection goes
down it will attempt to reconnect at the given interval. If host
is omitted, 0.0.0.0 is assumed. Only one TCP connection at a
time is accepted. You can use ``telnet`` to connect to the
time is accepted. You can use ``telnet=on`` to connect to the
corresponding character device.
``Example to send tcp console to 192.168.0.2 port 4444``
-serial tcp:192.168.0.2:4444
``Example to listen and wait on port 4444 for connection``
-serial tcp::4444,server
-serial tcp::4444,server=on
``Example to not wait and listen on ip 192.168.0.100 port 4444``
-serial tcp:192.168.0.100:4444,server,nowait
-serial tcp:192.168.0.100:4444,server=on,wait=off
``telnet:host:port[,server][,nowait][,nodelay]``
``telnet:host:port[,server=on|off][,wait=on|off][,delay=on|off]``
The telnet protocol is used instead of raw tcp sockets. The
options work the same as if you had specified ``-serial tcp``.
The difference is that the port acts like a telnet server or
@ -3625,11 +3625,11 @@ SRST
you do it with Control-] and then type "send break" followed by
pressing the enter key.
``websocket:host:port,server[,nowait][,nodelay]``
``websocket:host:port,server=on[,wait=on|off][,delay=on|off]``
The WebSocket protocol is used instead of raw tcp socket. The
port acts as a WebSocket server. Client mode is not supported.
``unix:path[,server][,nowait][,reconnect=seconds]``
``unix:path[,server=on|off][,wait=on|off][,reconnect=seconds]``
A unix domain socket is used instead of a tcp socket. The option
works the same as if you had specified ``-serial tcp`` except
the unix domain socket path is used for connections.
@ -3642,7 +3642,7 @@ SRST
multiplex the monitor onto a telnet server listening on port
4444 would be:
``-serial mon:telnet::4444,server,nowait``
``-serial mon:telnet::4444,server=on,wait=off``
When the monitor is multiplexed to stdio in this way, Ctrl+C
will not terminate QEMU any more but will be passed to the guest
@ -4815,11 +4815,11 @@ SRST
primary:
-netdev tap,id=hn0,vhost=off,script=/etc/qemu-ifup,downscript=/etc/qemu-ifdown
-device e1000,id=e0,netdev=hn0,mac=52:a4:00:12:78:66
-chardev socket,id=mirror0,host=3.3.3.3,port=9003,server,nowait
-chardev socket,id=compare1,host=3.3.3.3,port=9004,server,nowait
-chardev socket,id=compare0,host=3.3.3.3,port=9001,server,nowait
-chardev socket,id=mirror0,host=3.3.3.3,port=9003,server=on,wait=off
-chardev socket,id=compare1,host=3.3.3.3,port=9004,server=on,wait=off
-chardev socket,id=compare0,host=3.3.3.3,port=9001,server=on,wait=off
-chardev socket,id=compare0-0,host=3.3.3.3,port=9001
-chardev socket,id=compare_out,host=3.3.3.3,port=9005,server,nowait
-chardev socket,id=compare_out,host=3.3.3.3,port=9005,server=on,wait=off
-chardev socket,id=compare_out0,host=3.3.3.3,port=9005
-object iothread,id=iothread1
-object filter-mirror,id=m0,netdev=hn0,queue=tx,outdev=mirror0
@ -4841,13 +4841,13 @@ SRST
primary:
-netdev tap,id=hn0,vhost=off,script=/etc/qemu-ifup,downscript=/etc/qemu-ifdown
-device e1000,id=e0,netdev=hn0,mac=52:a4:00:12:78:66
-chardev socket,id=mirror0,host=3.3.3.3,port=9003,server,nowait
-chardev socket,id=compare1,host=3.3.3.3,port=9004,server,nowait
-chardev socket,id=compare0,host=3.3.3.3,port=9001,server,nowait
-chardev socket,id=mirror0,host=3.3.3.3,port=9003,server=on,wait=off
-chardev socket,id=compare1,host=3.3.3.3,port=9004,server=on,wait=off
-chardev socket,id=compare0,host=3.3.3.3,port=9001,server=on,wait=off
-chardev socket,id=compare0-0,host=3.3.3.3,port=9001
-chardev socket,id=compare_out,host=3.3.3.3,port=9005,server,nowait
-chardev socket,id=compare_out,host=3.3.3.3,port=9005,server=on,wait=off
-chardev socket,id=compare_out0,host=3.3.3.3,port=9005
-chardev socket,id=notify_way,host=3.3.3.3,port=9009,server,nowait
-chardev socket,id=notify_way,host=3.3.3.3,port=9009,server=on,wait=off
-object filter-mirror,id=m0,netdev=hn0,queue=tx,outdev=mirror0
-object filter-redirector,netdev=hn0,id=redire0,queue=rx,indev=compare_out
-object filter-redirector,netdev=hn0,id=redire1,queue=rx,outdev=compare0