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qemu-char: add -chardev mux support 

Allow to explicitly create mux chardevs on the command line,
like you can using QMP.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
master
Gerd Hoffmann 2013-06-24 08:39:54 +02:00 committed by Michael Tokarev
parent dc2c4eca89
commit bb6fb7c085
1 changed files with 18 additions and 0 deletions
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18
qemu-char.c
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@ -3115,6 +3115,19 @@ static void qemu_chr_parse_memory(QemuOpts *opts, ChardevBackend *backend,
}
}
static void qemu_chr_parse_mux(QemuOpts *opts, ChardevBackend *backend,
Error **errp)
{
const char *chardev = qemu_opt_get(opts, "chardev");
if (chardev == NULL) {
error_setg(errp, "chardev: mux: no chardev given");
return;
}
backend->mux = g_new0(ChardevMux, 1);
backend->mux->chardev = g_strdup(chardev);
}
typedef struct CharDriver {
const char *name;
/* old, pre qapi */
@ -3481,6 +3494,9 @@ QemuOptsList qemu_chardev_opts = {
},{
.name = "size",
.type = QEMU_OPT_SIZE,
},{
.name = "chardev",
.type = QEMU_OPT_STRING,
},
{ /* end of list */ }
},
@ -3771,6 +3787,8 @@ static void register_types(void)
register_char_driver_qapi("console", CHARDEV_BACKEND_KIND_CONSOLE, NULL);
register_char_driver_qapi("pipe", CHARDEV_BACKEND_KIND_PIPE,
qemu_chr_parse_pipe);
register_char_driver_qapi("mux", CHARDEV_BACKEND_KIND_MUX,
qemu_chr_parse_mux);
}
type_init(register_types);