Commit 775ca88e authored by Wenchao Xia's avatar Wenchao Xia Committed by Kevin Wolf

hmp: add interface hmp_snapshot_blkdev_internal

Signed-off-by: default avatarWenchao Xia <>
Signed-off-by: default avatarKevin Wolf <>
parent 44e3e053
......@@ -1023,8 +1023,7 @@ ETEXI
"of device. If a new image file is specified, the\n\t\t\t"
"new image file will become the new root image.\n\t\t\t"
"If format is specified, the snapshot file will\n\t\t\t"
"be created in that format. Otherwise the\n\t\t\t"
"snapshot will be internal! (currently unsupported).\n\t\t\t"
"be created in that format.\n\t\t\t"
"The default format is qcow2. The -n flag requests QEMU\n\t\t\t"
"to reuse the image found in new-image-file, instead of\n\t\t\t"
"recreating it from scratch.",
......@@ -1035,6 +1034,22 @@ STEXI
@item snapshot_blkdev
@findex snapshot_blkdev
Snapshot device, using snapshot file as target if provided
.name = "snapshot_blkdev_internal",
.args_type = "device:B,name:s",
.params = "device name",
.help = "take an internal snapshot of device.\n\t\t\t"
"The format of the image used by device must\n\t\t\t"
"support it, such as qcow2.\n\t\t\t",
.mhandler.cmd = hmp_snapshot_blkdev_internal,
@item snapshot_blkdev_internal
@findex snapshot_blkdev_internal
Take an internal snapshot on device if it support
......@@ -978,6 +978,16 @@ void hmp_snapshot_blkdev(Monitor *mon, const QDict *qdict)
hmp_handle_error(mon, &errp);
void hmp_snapshot_blkdev_internal(Monitor *mon, const QDict *qdict)
const char *device = qdict_get_str(qdict, "device");
const char *name = qdict_get_str(qdict, "name");
Error *errp = NULL;
qmp_blockdev_snapshot_internal_sync(device, name, &errp);
hmp_handle_error(mon, &errp);
void hmp_migrate_cancel(Monitor *mon, const QDict *qdict)
......@@ -54,6 +54,7 @@ void hmp_block_passwd(Monitor *mon, const QDict *qdict);
void hmp_balloon(Monitor *mon, const QDict *qdict);
void hmp_block_resize(Monitor *mon, const QDict *qdict);
void hmp_snapshot_blkdev(Monitor *mon, const QDict *qdict);
void hmp_snapshot_blkdev_internal(Monitor *mon, const QDict *qdict);
void hmp_drive_mirror(Monitor *mon, const QDict *qdict);
void hmp_drive_backup(Monitor *mon, const QDict *qdict);
void hmp_migrate_cancel(Monitor *mon, const QDict *qdict);
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