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chardev: Document mux option

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Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Jan Kiszka 2010-04-06 16:55:54 +02:00 committed by Luiz Capitulino
parent 157b931987
commit 97331287ed
1 changed files with 20 additions and 15 deletions
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35
qemu-options.hx
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@ -1175,32 +1175,33 @@ DEFHEADING()
DEFHEADING(Character device options:) DEFHEADING(Character device options:)
DEF("chardev", HAS_ARG, QEMU_OPTION_chardev, DEF("chardev", HAS_ARG, QEMU_OPTION_chardev,
"-chardev null,id=id\n" "-chardev null,id=id[,mux=on|off]\n"
"-chardev socket,id=id[,host=host],port=host[,to=to][,ipv4][,ipv6][,nodelay]\n" "-chardev socket,id=id[,host=host],port=host[,to=to][,ipv4][,ipv6][,nodelay]\n"
" [,server][,nowait][,telnet] (tcp)\n" " [,server][,nowait][,telnet][,mux=on|off] (tcp)\n"
"-chardev socket,id=id,path=path[,server][,nowait][,telnet] (unix)\n" "-chardev socket,id=id,path=path[,server][,nowait][,telnet],[mux=on|off] (unix)\n"
"-chardev udp,id=id[,host=host],port=port[,localaddr=localaddr]\n" "-chardev udp,id=id[,host=host],port=port[,localaddr=localaddr]\n"
" [,localport=localport][,ipv4][,ipv6]\n" " [,localport=localport][,ipv4][,ipv6][,mux=on|off]\n"
"-chardev msmouse,id=id\n" "-chardev msmouse,id=id[,mux=on|off]\n"
"-chardev vc,id=id[[,width=width][,height=height]][[,cols=cols][,rows=rows]]\n" "-chardev vc,id=id[[,width=width][,height=height]][[,cols=cols][,rows=rows]]\n"
"-chardev file,id=id,path=path\n" " [,mux=on|off]\n"
"-chardev pipe,id=id,path=path\n" "-chardev file,id=id,path=path[,mux=on|off]\n"
"-chardev pipe,id=id,path=path[,mux=on|off]\n"
#ifdef _WIN32 #ifdef _WIN32
"-chardev console,id=id\n" "-chardev console,id=id[,mux=on|off]\n"
"-chardev serial,id=id,path=path\n" "-chardev serial,id=id,path=path[,mux=on|off]\n"
#else #else
"-chardev pty,id=id\n" "-chardev pty,id=id[,mux=on|off]\n"
"-chardev stdio,id=id\n" "-chardev stdio,id=id[,mux=on|off]\n"
#endif #endif
#ifdef CONFIG_BRLAPI #ifdef CONFIG_BRLAPI
"-chardev braille,id=id\n" "-chardev braille,id=id[,mux=on|off]\n"
#endif #endif
#if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
|| defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
"-chardev tty,id=id,path=path\n" "-chardev tty,id=id,path=path[,mux=on|off]\n"
#endif #endif
#if defined(__linux__) || defined(__FreeBSD__) || defined(__DragonFly__) #if defined(__linux__) || defined(__FreeBSD__) || defined(__DragonFly__)
"-chardev parport,id=id,path=path\n" "-chardev parport,id=id,path=path[,mux=on|off]\n"
#endif #endif
, QEMU_ARCH_ALL , QEMU_ARCH_ALL
) )
@ -1210,7 +1211,7 @@ STEXI
The general form of a character device option is: The general form of a character device option is:
@table @option @table @option
@item -chardev @var{backend} ,id=@var{id} [,@var{options}] @item -chardev @var{backend} ,id=@var{id} [,mux=on|off] [,@var{options}]
@findex -chardev @findex -chardev
Backend is one of: Backend is one of:
@option{null}, @option{null},
@ -1232,6 +1233,10 @@ The specific backend will determine the applicable options.
All devices must have an id, which can be any string up to 127 characters long. All devices must have an id, which can be any string up to 127 characters long.
It is used to uniquely identify this device in other command line directives. It is used to uniquely identify this device in other command line directives.
A character device may be used in multiplexing mode by multiple front-ends.
The key sequence of @key{Control-a} and @key{c} will rotate the input focus
between attached front-ends. Specify @option{mux=on} to enable this mode.
Options to each backend are described below. Options to each backend are described below.
@item -chardev null ,id=@var{id} @item -chardev null ,id=@var{id}