diff options
| -rw-r--r-- | blockdev.c | 13 | ||||
| -rw-r--r-- | qapi-schema.json | 20 | ||||
| -rw-r--r-- | qmp-commands.hx | 29 |
3 files changed, 62 insertions, 0 deletions
diff --git a/blockdev.c b/blockdev.c index 0fd30e2d8d..0f4a7b5d85 100644 --- a/blockdev.c +++ b/blockdev.c @@ -858,6 +858,19 @@ void qmp_blockdev_snapshot_sync(const char *device, const char *snapshot_file, &snapshot, errp); } +void qmp_blockdev_snapshot_internal_sync(const char *device, + const char *name, + Error **errp) +{ + BlockdevSnapshotInternal snapshot = { + .device = (char *) device, + .name = (char *) name + }; + + blockdev_do_action(TRANSACTION_ACTION_KIND_BLOCKDEV_SNAPSHOT_INTERNAL_SYNC, + &snapshot, errp); +} + /* New and old BlockDriverState structs for group snapshots */ diff --git a/qapi-schema.json b/qapi-schema.json index 77bbbf59cf..43faf91410 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -1805,6 +1805,26 @@ 'data': 'BlockdevSnapshot' } ## +# @blockdev-snapshot-internal-sync +# +# Synchronously take an internal snapshot of a block device, when the format +# of the image used supports it. +# +# For the arguments, see the documentation of BlockdevSnapshotInternal. +# +# Returns: nothing on success +# If @device is not a valid block device, DeviceNotFound +# If any snapshot matching @name exists, or @name is empty, +# GenericError +# If the format of the image used does not support it, +# BlockFormatFeatureNotSupported +# +# Since 1.7 +## +{ 'command': 'blockdev-snapshot-internal-sync', + 'data': 'BlockdevSnapshotInternal' } + +## # @human-monitor-command: # # Execute a command on the human monitor and return the output. diff --git a/qmp-commands.hx b/qmp-commands.hx index 66701927af..5c9ddef3a5 100644 --- a/qmp-commands.hx +++ b/qmp-commands.hx @@ -1098,6 +1098,35 @@ Example: EQMP { + .name = "blockdev-snapshot-internal-sync", + .args_type = "device:B,name:s", + .mhandler.cmd_new = qmp_marshal_input_blockdev_snapshot_internal_sync, + }, + +SQMP +blockdev-snapshot-internal-sync +------------------------------- + +Synchronously take an internal snapshot of a block device when the format of +image used supports it. If the name is an empty string, or a snapshot with +name already exists, the operation will fail. + +Arguments: + +- "device": device name to snapshot (json-string) +- "name": name of the new snapshot (json-string) + +Example: + +-> { "execute": "blockdev-snapshot-internal-sync", + "arguments": { "device": "ide-hd0", + "name": "snapshot0" } + } +<- { "return": {} } + +EQMP + + { .name = "drive-mirror", .args_type = "sync:s,device:B,target:s,speed:i?,mode:s?,format:s?," "on-source-error:s?,on-target-error:s?," |