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chardev: add hmp hotplug commands 

Add chardev-add and chardev-remove commands to the human monitor.
chardev-add accepts the same syntax as -chardev, chardev-remove
expects a chardev id.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-12-19 10:33:40 +01:00
parent f1a1a35638
commit f108890891
3 changed files with 57 additions and 0 deletions
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32
hmp-commands.hx
View File

@ -1482,6 +1482,38 @@ Password is invalidated at the given time. @var{nsec} are the seconds
passed since 1970, i.e. unix epoch.
@end table
ETEXI
{
.name = "chardev-add",
.args_type = "args:s",
.params = "args",
.help = "add chardev",
.mhandler.cmd = hmp_chardev_add,
},
STEXI
@item chardev_add args
@findex chardev_add
chardev_add accepts the same parameters as the -chardev command line switch.
ETEXI
{
.name = "chardev-remove",
.args_type = "id:s",
.params = "id",
.help = "remove chardev",
.mhandler.cmd = hmp_chardev_remove,
},
STEXI
@item chardev_remove id
@findex chardev_remove
Removes the chardev @var{id}.
ETEXI
{

23
hmp.c
View File

@ -1336,3 +1336,26 @@ void hmp_nbd_server_stop(Monitor *mon, const QDict *qdict)
qmp_nbd_server_stop(&errp);
hmp_handle_error(mon, &errp);
}
void hmp_chardev_add(Monitor *mon, const QDict *qdict)
{
const char *args = qdict_get_str(qdict, "args");
Error *err = NULL;
QemuOpts *opts;
opts = qemu_opts_parse(qemu_find_opts("chardev"), args, 1);
if (opts == NULL) {
error_setg(&err, "Parsing chardev args failed\n");
} else {
qemu_chr_new_from_opts(opts, NULL, &err);
}
hmp_handle_error(mon, &err);
}
void hmp_chardev_remove(Monitor *mon, const QDict *qdict)
{
Error *local_err = NULL;
qmp_chardev_remove(qdict_get_str(qdict, "id"), &local_err);
hmp_handle_error(mon, &local_err);
}

2
hmp.h
View File

@ -80,5 +80,7 @@ void hmp_screen_dump(Monitor *mon, const QDict *qdict);
void hmp_nbd_server_start(Monitor *mon, const QDict *qdict);
void hmp_nbd_server_add(Monitor *mon, const QDict *qdict);
void hmp_nbd_server_stop(Monitor *mon, const QDict *qdict);
void hmp_chardev_add(Monitor *mon, const QDict *qdict);
void hmp_chardev_remove(Monitor *mon, const QDict *qdict);
#endif