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-rw-r--r--include/monitor/monitor.h1
-rw-r--r--monitor.c22
-rw-r--r--vl.c5
3 files changed, 26 insertions, 2 deletions
diff --git a/include/monitor/monitor.h b/include/monitor/monitor.h
index 0cb0538a31..d6ab70cae2 100644
--- a/include/monitor/monitor.h
+++ b/include/monitor/monitor.h
@@ -13,6 +13,7 @@ extern Monitor *cur_mon;
#define MONITOR_USE_READLINE 0x02
#define MONITOR_USE_CONTROL 0x04
#define MONITOR_USE_PRETTY 0x08
+#define MONITOR_USE_OOB 0x10
bool monitor_cur_is_qmp(void);
diff --git a/monitor.c b/monitor.c
index 32d6114ac3..51f4cf480f 100644
--- a/monitor.c
+++ b/monitor.c
@@ -36,6 +36,7 @@
#include "net/slirp.h"
#include "chardev/char-fe.h"
#include "chardev/char-io.h"
+#include "chardev/char-mux.h"
#include "ui/qemu-spice.h"
#include "sysemu/numa.h"
#include "monitor/monitor.h"
@@ -4562,12 +4563,26 @@ static void monitor_qmp_setup_handlers_bh(void *opaque)
void monitor_init(Chardev *chr, int flags)
{
Monitor *mon = g_malloc(sizeof(*mon));
+ bool use_readline = flags & MONITOR_USE_READLINE;
+ bool use_oob = flags & MONITOR_USE_OOB;
+
+ if (use_oob) {
+ if (CHARDEV_IS_MUX(chr)) {
+ error_report("Monitor Out-Of-Band is not supported with "
+ "MUX typed chardev backend");
+ exit(1);
+ }
+ if (use_readline) {
+ error_report("Monitor Out-Of-band is only supported by QMP");
+ exit(1);
+ }
+ }
- monitor_data_init(mon, false, false);
+ monitor_data_init(mon, false, use_oob);
qemu_chr_fe_init(&mon->chr, chr, &error_abort);
mon->flags = flags;
- if (flags & MONITOR_USE_READLINE) {
+ if (use_readline) {
mon->rs = readline_init(monitor_readline_printf,
monitor_readline_flush,
mon,
@@ -4663,6 +4678,9 @@ QemuOptsList qemu_mon_opts = {
},{
.name = "pretty",
.type = QEMU_OPT_BOOL,
+ },{
+ .name = "x-oob",
+ .type = QEMU_OPT_BOOL,
},
{ /* end of list */ }
},
diff --git a/vl.c b/vl.c
index c81cc86607..5fd01bd5f6 100644
--- a/vl.c
+++ b/vl.c
@@ -2404,6 +2404,11 @@ static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
if (qemu_opt_get_bool(opts, "pretty", 0))
flags |= MONITOR_USE_PRETTY;
+ /* OOB is off by default */
+ if (qemu_opt_get_bool(opts, "x-oob", 0)) {
+ flags |= MONITOR_USE_OOB;
+ }
+
chardev = qemu_opt_get(opts, "chardev");
chr = qemu_chr_find(chardev);
if (chr == NULL) {