Commit 587da2c3 authored by Kevin Wolf's avatar Kevin Wolf Committed by Stefan Hajnoczi
Browse files

Make qemu-io commands available in HMP

It was decided to not make this command available in QMP in order to
make clear that this is not supposed to be a stable API and should be
used only for testing and debugging purposes.
Signed-off-by: default avatarKevin Wolf <>
Signed-off-by: default avatarStefan Hajnoczi <>
parent 02da386a
......@@ -186,7 +186,7 @@ qemu-img.o: qemu-img-cmds.h
qemu-img$(EXESUF): qemu-img.o $(block-obj-y) libqemuutil.a libqemustub.a
qemu-nbd$(EXESUF): qemu-nbd.o $(block-obj-y) libqemuutil.a libqemustub.a
qemu-io$(EXESUF): qemu-io.o qemu-io-cmds.o $(block-obj-y) libqemuutil.a libqemustub.a
qemu-io$(EXESUF): qemu-io.o $(block-obj-y) libqemuutil.a libqemustub.a
qemu-bridge-helper$(EXESUF): qemu-bridge-helper.o
......@@ -13,6 +13,7 @@ block-obj-$(CONFIG_POSIX) += aio-posix.o
block-obj-$(CONFIG_WIN32) += aio-win32.o
block-obj-y += block/
block-obj-y += qapi-types.o qapi-visit.o
block-obj-y += qemu-io-cmds.o
block-obj-y += qemu-coroutine.o qemu-coroutine-lock.o qemu-coroutine-io.o
block-obj-y += qemu-coroutine-sleep.o
......@@ -1550,6 +1550,22 @@ STEXI
Removes the chardev @var{id}.
.name = "qemu-io",
.args_type = "device:B,command:s",
.params = "[device] \"[command]\"",
.help = "run a qemu-io command on a block device",
.mhandler.cmd = hmp_qemu_io,
@item qemu-io @var{device} @var{command}
@findex qemu-io
Executes a qemu-io command on the given block device.
......@@ -22,6 +22,7 @@
#include "qemu/sockets.h"
#include "monitor/monitor.h"
#include "ui/console.h"
#include "qemu-io.h"
static void hmp_handle_error(Monitor *mon, Error **errp)
......@@ -1425,3 +1426,20 @@ void hmp_chardev_remove(Monitor *mon, const QDict *qdict)
qmp_chardev_remove(qdict_get_str(qdict, "id"), &local_err);
hmp_handle_error(mon, &local_err);
void hmp_qemu_io(Monitor *mon, const QDict *qdict)
BlockDriverState *bs;
const char* device = qdict_get_str(qdict, "device");
const char* command = qdict_get_str(qdict, "command");
Error *err = NULL;
bs = bdrv_find(device);
if (bs) {
qemuio_command(bs, command);
} else {
error_set(&err, QERR_DEVICE_NOT_FOUND, device);
hmp_handle_error(mon, &err);
......@@ -85,5 +85,6 @@ 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);
void hmp_qemu_io(Monitor *mon, const QDict *qdict);
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment