@@ -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.",
@@ -1038,6 +1037,22 @@ Snapshot device, using snapshot file as target if provided
ETEXI
{
+ .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,
+ },
+
+STEXI
+@item snapshot_blkdev_internal
+@findex snapshot_blkdev_internal
+Take an internal snapshot on device if it support
+ETEXI
+
+ {
.name = "drive_mirror",
.args_type = "reuse:-n,full:-f,device:B,target:s,format:s?",
.params = "[-n] [-f] device target [format]",
@@ -930,6 +930,16 @@ 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)
{
qmp_migrate_cancel(NULL);
@@ -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_migrate_cancel(Monitor *mon, const QDict *qdict);
void hmp_migrate_set_downtime(Monitor *mon, const QDict *qdict);
Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com> --- hmp-commands.hx | 19 +++++++++++++++++-- hmp.c | 10 ++++++++++ hmp.h | 1 + 3 files changed, 28 insertions(+), 2 deletions(-)