Signed-off-by: Wenchao Xia <xiaw...@linux.vnet.ibm.com> --- hmp-commands.hx | 19 +++++++++++++++++-- hmp.c | 10 ++++++++++ hmp.h | 1 + 3 files changed, 28 insertions(+), 2 deletions(-)
diff --git a/hmp-commands.hx b/hmp-commands.hx index 915b0d1..53e3ef3 100644 --- a/hmp-commands.hx +++ b/hmp-commands.hx @@ -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]", diff --git a/hmp.c b/hmp.c index 494a9aa..d66ab20 100644 --- a/hmp.c +++ b/hmp.c @@ -912,6 +912,16 @@ 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); diff --git a/hmp.h b/hmp.h index 56d2e92..fddf3a9 100644 --- a/hmp.h +++ b/hmp.h @@ -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); -- 1.7.1