docs: 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: <20210216191027.595031-8-berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

12 files changed, 29 insertions, 27 deletions

diff --git a/docs/COLO-FT.txt b/docs/COLO-FT.txt
index bc5fb2a1bb..8874690e83 100644
--- a/docs/COLO-FT.txt
+++ b/docs/COLO-FT.txt
@@ -162,11 +162,11 @@ instance.
    -device piix3-usb-uhci -device usb-tablet -name primary \
    -netdev tap,id=hn0,vhost=off,helper=/usr/lib/qemu/qemu-bridge-helper \
    -device rtl8139,id=e0,netdev=hn0 \
-   -chardev socket,id=mirror0,host=0.0.0.0,port=9003,server,nowait \
-   -chardev socket,id=compare1,host=0.0.0.0,port=9004,server,wait \
-   -chardev socket,id=compare0,host=127.0.0.1,port=9001,server,nowait \
+   -chardev socket,id=mirror0,host=0.0.0.0,port=9003,server=on,wait=off \
+   -chardev socket,id=compare1,host=0.0.0.0,port=9004,server=on,wait=on \
+   -chardev socket,id=compare0,host=127.0.0.1,port=9001,server=on,wait=off \
    -chardev socket,id=compare0-0,host=127.0.0.1,port=9001 \
-   -chardev socket,id=compare_out,host=127.0.0.1,port=9005,server,nowait \
+   -chardev socket,id=compare_out,host=127.0.0.1,port=9005,server=on,wait=off \
    -chardev socket,id=compare_out0,host=127.0.0.1,port=9005 \
    -object filter-mirror,id=m0,netdev=hn0,queue=tx,outdev=mirror0 \
    -object filter-redirector,netdev=hn0,id=redire0,queue=rx,indev=compare_out \
diff --git a/docs/ccid.txt b/docs/ccid.txt
index c7fda6d07d..c97fbd2de0 100644
--- a/docs/ccid.txt
+++ b/docs/ccid.txt
@@ -109,7 +109,8 @@ NSS.  Registration can be done from Firefox or the command line:
 
 on the host specify the ccid-card-passthru device with a suitable chardev:
 
-    qemu -chardev socket,server,host=0.0.0.0,port=2001,id=ccid,nowait -usb -device usb-ccid -device ccid-card-passthru,chardev=ccid
+    qemu -chardev socket,server=on,host=0.0.0.0,port=2001,id=ccid,wait=off \
+         -usb -device usb-ccid -device ccid-card-passthru,chardev=ccid
 
 on the client run vscclient, built when you built QEMU:
 
@@ -125,7 +126,8 @@ Follow instructions as per #4, except run QEMU and vscclient as follows:
 Run qemu as per #5, and run vscclient from the "fake-smartcard"
 directory as follows:
 
-    qemu -chardev socket,server,host=0.0.0.0,port=2001,id=ccid,nowait -usb -device usb-ccid -device ccid-card-passthru,chardev=ccid
+    qemu -chardev socket,server=on,host=0.0.0.0,port=2001,id=ccid,wait=off \
+         -usb -device usb-ccid -device ccid-card-passthru,chardev=ccid
     vscclient -e "db=\"sql:$PWD\" use_hw=no soft=(,Test,CAC,,id-cert,signing-cert,encryption-cert)" <qemu-host> 2001
 
 
diff --git a/docs/colo-proxy.txt b/docs/colo-proxy.txt
index fa1cef0278..1fc38aed1b 100644
--- a/docs/colo-proxy.txt
+++ b/docs/colo-proxy.txt
@@ -164,11 +164,11 @@ clearly describe the usage.
 Primary(ip:3.3.3.3):
 -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
@@ -190,11 +190,11 @@ If you want to use virtio-net-pci or other driver with vnet_header:
 Primary(ip:3.3.3.3):
 -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 filter-mirror,id=m0,netdev=hn0,queue=tx,outdev=mirror0,vnet_hdr_support
 -object filter-redirector,netdev=hn0,id=redire0,queue=rx,indev=compare_out,vnet_hdr_support
diff --git a/docs/devel/writing-qmp-commands.txt b/docs/devel/writing-qmp-commands.txt
index 258e63bff5..b1e31d56c0 100644
--- a/docs/devel/writing-qmp-commands.txt
+++ b/docs/devel/writing-qmp-commands.txt
@@ -39,7 +39,7 @@ shown here.
 First, QEMU should be started like this:
 
 # qemu-system-TARGET [...] \
-    -chardev socket,id=qmp,port=4444,host=localhost,server \
+    -chardev socket,id=qmp,port=4444,host=localhost,server=on \
     -mon chardev=qmp,mode=control,pretty=on
 
 Then, in a different terminal:
diff --git a/docs/interop/live-block-operations.rst b/docs/interop/live-block-operations.rst
index e13f5a21f8..1073b930dc 100644
--- a/docs/interop/live-block-operations.rst
+++ b/docs/interop/live-block-operations.rst
@@ -133,7 +133,7 @@ socket::
         -M q35 -nodefaults -m 512 \
         -blockdev node-name=node-A,driver=qcow2,file.driver=file,file.node-name=file,file.filename=./a.qcow2 \
         -device virtio-blk,drive=node-A,id=virtio0 \
-        -monitor stdio -qmp unix:/tmp/qmp-sock,server,nowait
+        -monitor stdio -qmp unix:/tmp/qmp-sock,server=on,wait=off
 
 The ``-blockdev`` command-line option, used above, is available from
 QEMU 2.9 onwards.  In the above invocation, notice the ``node-name``
@@ -698,7 +698,7 @@ it could be located elsewhere)::
         -M q35 -nodefaults -m 512 \
         -blockdev node-name=node-TargetDisk,driver=qcow2,file.driver=file,file.node-name=file,file.filename=./target-disk.qcow2 \
         -device virtio-blk,drive=node-TargetDisk,id=virtio0 \
-        -S -monitor stdio -qmp unix:./qmp-sock2,server,nowait \
+        -S -monitor stdio -qmp unix:./qmp-sock2,server=on,wait=off \
         -incoming tcp:localhost:6666
 
 Given the disk image chain on source QEMU::
diff --git a/docs/interop/qmp-intro.txt b/docs/interop/qmp-intro.txt
index 9d54a718b8..1c745a7af0 100644
--- a/docs/interop/qmp-intro.txt
+++ b/docs/interop/qmp-intro.txt
@@ -26,7 +26,7 @@ Usage
 You can use the -qmp option to enable QMP. For example, the following
 makes QMP available on localhost port 4444:
 
-$ qemu [...] -qmp tcp:localhost:4444,server,nowait
+$ qemu [...] -qmp tcp:localhost:4444,server=on,wait=off
 
 However, for more flexibility and to make use of more options, the -mon
 command-line option should be used. For instance, the following example
@@ -34,7 +34,7 @@ creates one HMP instance (human monitor) on stdio and one QMP instance
 on localhost port 4444:
 
 $ qemu [...] -chardev stdio,id=mon0 -mon chardev=mon0,mode=readline \
-             -chardev socket,id=mon1,host=localhost,port=4444,server,nowait \
+             -chardev socket,id=mon1,host=localhost,port=4444,server=on,wait=off \
              -mon chardev=mon1,mode=control,pretty=on
 
 Please, refer to QEMU's manpage for more information.
diff --git a/docs/system/cpu-hotplug.rst b/docs/system/cpu-hotplug.rst
index d0b06403f1..bd0663616e 100644
--- a/docs/system/cpu-hotplug.rst
+++ b/docs/system/cpu-hotplug.rst
@@ -14,7 +14,7 @@ vCPU hotplug
       $ qemu-system-x86_64 -display none -no-user-config -m 2048 \
           -nodefaults -monitor stdio -machine pc,accel=kvm,usb=off \
           -smp 1,maxcpus=2 -cpu IvyBridge-IBRS \
-          -qmp unix:/tmp/qmp-sock,server,nowait
+          -qmp unix:/tmp/qmp-sock,server=on,wait=off
 
 (2) Run 'qmp-shell' (located in the source tree, under: "scripts/qmp/)
     to connect to the just-launched QEMU::
diff --git a/docs/system/s390x/3270.rst b/docs/system/s390x/3270.rst
index 0554a70a9f..0e173b323f 100644
--- a/docs/system/s390x/3270.rst
+++ b/docs/system/s390x/3270.rst
@@ -24,7 +24,7 @@ Example configuration
 
 * Add a ``tn3270`` chardev and a ``x-terminal3270`` to the QEMU command line::
 
-   -chardev socket,id=ch0,host=0.0.0.0,port=2300,nowait,server,tn3270
+   -chardev socket,id=ch0,host=0.0.0.0,port=2300,wait=off,server=on,tn3270=on
    -device x-terminal3270,chardev=ch0,devno=fe.0.000a,id=terminal0
 
 * Start the guest. In the guest, use ``chccwdev -e 0.0.000a`` to enable
diff --git a/docs/system/target-avr.rst b/docs/system/target-avr.rst
index 25ab46ef05..03d5ab51c1 100644
--- a/docs/system/target-avr.rst
+++ b/docs/system/target-avr.rst
@@ -24,7 +24,7 @@ AVR cpu
 - Continuous non interrupted execution with serial output into telnet window::
 
    qemu-system-avr -M mega2560 -bios demo.elf -nographic \
-                   -serial tcp::5678,server,nowait
+                   -serial tcp::5678,server=on,wait=off
 
   and then in another shell::
 
diff --git a/docs/tools/qemu-storage-daemon.rst b/docs/tools/qemu-storage-daemon.rst
index f63627eaf6..c05b3d3811 100644
--- a/docs/tools/qemu-storage-daemon.rst
+++ b/docs/tools/qemu-storage-daemon.rst
@@ -69,7 +69,7 @@ Standard options:
   a description of character device properties. A common character device
   definition configures a UNIX domain socket::
 
-  --chardev socket,id=char1,path=/tmp/qmp.sock,server,nowait
+  --chardev socket,id=char1,path=/tmp/qmp.sock,server=on,wait=off
 
 .. option:: --export [type=]nbd,id=<id>,node-name=<node-name>[,name=<export-name>][,writable=on|off][,bitmap=<name>]
   --export [type=]vhost-user-blk,id=<id>,node-name=<node-name>,addr.type=unix,addr.path=<socket-path>[,writable=on|off][,logical-block-size=<block-size>][,num-queues=<num-queues>]
@@ -124,7 +124,7 @@ Launch the daemon with QMP monitor socket ``qmp.sock`` so clients can execute
 QMP commands::
 
   $ qemu-storage-daemon \
-      --chardev socket,path=qmp.sock,server,nowait,id=char1 \
+      --chardev socket,path=qmp.sock,server=on,wait=off,id=char1 \
       --monitor chardev=char1
 
 Export raw image file ``disk.img`` over NBD UNIX domain socket ``nbd.sock``::
diff --git a/scripts/qmp/qemu-ga-client b/scripts/qmp/qemu-ga-client
index ce122984a9..348d85864c 100755
--- a/scripts/qmp/qemu-ga-client
+++ b/scripts/qmp/qemu-ga-client
@@ -11,7 +11,7 @@
 #
 # Start QEMU with:
 #
-# # qemu [...] -chardev socket,path=/tmp/qga.sock,server,nowait,id=qga0 \
+# # qemu [...] -chardev socket,path=/tmp/qga.sock,server=on,wait=off,id=qga0 \
 #   -device virtio-serial -device virtserialport,chardev=qga0,name=org.qemu.guest_agent.0
 #
 # Run the script:
diff --git a/tests/test-char.c b/tests/test-char.c
index 469d25989c..755d54c15e 100644
--- a/tests/test-char.c
+++ b/tests/test-char.c
@@ -780,7 +780,7 @@ static void char_socket_server_test(gconstpointer opaque)
 
     g_setenv("QTEST_SILENT_ERRORS", "1", 1);
     /*
-     * We rely on config->addr containing "nowait", otherwise
+     * We rely on config->addr containing "wait=off", otherwise
      * qemu_chr_new() will block until a client connects. We
      * can't spawn our client thread though, because until
      * qemu_chr_new() returns we don't know what TCP port was
@@ -1114,7 +1114,7 @@ static void char_socket_server_two_clients_test(gconstpointer opaque)
 
     g_setenv("QTEST_SILENT_ERRORS", "1", 1);
     /*
-     * We rely on addr containing "nowait", otherwise
+     * We rely on addr containing "wait=off", otherwise
      * qemu_chr_new() will block until a client connects. We
      * can't spawn our client thread though, because until
      * qemu_chr_new() returns we don't know what TCP port was