Re: [Qemu-devel] [PATCH 1/1] QMP: add snapshot_blkdev command
On Fri, 8 Jul 2011 14:00:13 +0200 jes.soren...@redhat.com wrote: From: Jes Sorensen jes.soren...@redhat.com Add QMP bits for snapshot_blkdev command. This is the same as snapshot_blkdev in the human monitor. The command is synchronous. In the future async commands and or a break down of the functionality into multiple commands might be added. Signed-off-by: Jes Sorensen jes.soren...@redhat.com --- qmp-commands.hx | 38 ++ 1 files changed, 38 insertions(+), 0 deletions(-) diff --git a/qmp-commands.hx b/qmp-commands.hx index 92c5c3a..eb135c1 100644 --- a/qmp-commands.hx +++ b/qmp-commands.hx @@ -694,6 +694,44 @@ Example: EQMP { +.name = blockdev-snapshot, blockdev-snapshot-sync. +.args_type = device:B,snapshot_file:s?,format:s?, +.params = device [new-image-file] [format], +.help = initiates a live snapshot\n\t\t\t + 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), The 'otherwise' part is a bit confusing. You document something as if it were supported then you say it's not supported. I recommend to just not document it instead. +.user_print = monitor_user_noop, +.mhandler.cmd_new = do_snapshot_blkdev, +}, + +SQMP +blockdev-snapshot-sync +-- + +Synchronous snapshot of block device, using snapshot file as target, +if provided. In QMP only this text is used, the text in '.help' is discarded. Please, move all command documentation here. + +Arguments: + +- device: device name to snapshot (json-string) +- snapshot_file: name of new image file (json-string) +- format: format of new image (json-string) + +Example: + +- { execute: blockdev-snapshot, arguments: { device: ide-hd0, +snapshot_file: We are trying to standardize the use of hyphen in QMP. +/some/place/my-image, + format: qcow2 + } } +- { return: {} } + +EQMP + +{ .name = balloon, .args_type = value:M, .params = target,
Re: [Qemu-devel] [PATCH 1/1] QMP: add snapshot_blkdev command
On Mon, 11 Jul 2011 19:50:45 +0200 Jes Sorensen jes.soren...@redhat.com wrote: On 07/11/11 18:35, Luiz Capitulino wrote: On Fri, 8 Jul 2011 14:00:13 +0200 jes.soren...@redhat.com wrote: From: Jes Sorensen jes.soren...@redhat.com Add QMP bits for snapshot_blkdev command. This is the same as snapshot_blkdev in the human monitor. The command is synchronous. In the future async commands and or a break down of the functionality into multiple commands might be added. Signed-off-by: Jes Sorensen jes.soren...@redhat.com --- qmp-commands.hx | 38 ++ 1 files changed, 38 insertions(+), 0 deletions(-) diff --git a/qmp-commands.hx b/qmp-commands.hx index 92c5c3a..eb135c1 100644 --- a/qmp-commands.hx +++ b/qmp-commands.hx @@ -694,6 +694,44 @@ Example: EQMP { +.name = blockdev-snapshot, blockdev-snapshot-sync. argh, will fix +.args_type = device:B,snapshot_file:s?,format:s?, +.params = device [new-image-file] [format], +.help = initiates a live snapshot\n\t\t\t + 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), The 'otherwise' part is a bit confusing. You document something as if it were supported then you say it's not supported. I recommend to just not document it instead. Ok +.user_print = monitor_user_noop, +.mhandler.cmd_new = do_snapshot_blkdev, +}, + +SQMP +blockdev-snapshot-sync +-- + +Synchronous snapshot of block device, using snapshot file as target, +if provided. In QMP only this text is used, the text in '.help' is discarded. Please, move all command documentation here. If .help isn't used, then please remove it from the struct. It is really pointless to keep carrying both around. Yes, sorry for that. It will be completely dropped when we move to the QAPI (which uses a schema file). + +Arguments: + +- device: device name to snapshot (json-string) +- snapshot_file: name of new image file (json-string) +- format: format of new image (json-string) + +Example: + +- { execute: blockdev-snapshot, arguments: { device: ide-hd0, +snapshot_file: We are trying to standardize the use of hyphen in QMP. Sorry, but I haven't got a clue what you mean here. The argument is called snapshot_file but it should be called snapshot-file.
Re: [Qemu-devel] [PATCH 1/1] QMP: add snapshot_blkdev command
On 07/11/11 18:35, Luiz Capitulino wrote: On Fri, 8 Jul 2011 14:00:13 +0200 jes.soren...@redhat.com wrote: From: Jes Sorensen jes.soren...@redhat.com Add QMP bits for snapshot_blkdev command. This is the same as snapshot_blkdev in the human monitor. The command is synchronous. In the future async commands and or a break down of the functionality into multiple commands might be added. Signed-off-by: Jes Sorensen jes.soren...@redhat.com --- qmp-commands.hx | 38 ++ 1 files changed, 38 insertions(+), 0 deletions(-) diff --git a/qmp-commands.hx b/qmp-commands.hx index 92c5c3a..eb135c1 100644 --- a/qmp-commands.hx +++ b/qmp-commands.hx @@ -694,6 +694,44 @@ Example: EQMP { +.name = blockdev-snapshot, blockdev-snapshot-sync. argh, will fix +.args_type = device:B,snapshot_file:s?,format:s?, +.params = device [new-image-file] [format], +.help = initiates a live snapshot\n\t\t\t + 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), The 'otherwise' part is a bit confusing. You document something as if it were supported then you say it's not supported. I recommend to just not document it instead. Ok +.user_print = monitor_user_noop, +.mhandler.cmd_new = do_snapshot_blkdev, +}, + +SQMP +blockdev-snapshot-sync +-- + +Synchronous snapshot of block device, using snapshot file as target, +if provided. In QMP only this text is used, the text in '.help' is discarded. Please, move all command documentation here. If .help isn't used, then please remove it from the struct. It is really pointless to keep carrying both around. + +Arguments: + +- device: device name to snapshot (json-string) +- snapshot_file: name of new image file (json-string) +- format: format of new image (json-string) + +Example: + +- { execute: blockdev-snapshot, arguments: { device: ide-hd0, +snapshot_file: We are trying to standardize the use of hyphen in QMP. Sorry, but I haven't got a clue what you mean here. Jes