From 2e95fa17196aa12e7e522925ad420000162153d0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Beno=C3=AEt=20Canet?= Date: Thu, 5 Jun 2014 13:45:32 +0200 Subject: qapi: Extract qapi/block.json definitions Signed-off-by: Benoit Canet Reviewed-by: Eric Blake Signed-off-by: Stefan Hajnoczi --- qapi/block.json | 159 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 159 insertions(+) (limited to 'qapi') diff --git a/qapi/block.json b/qapi/block.json index e2b882f..61c463a 100644 --- a/qapi/block.json +++ b/qapi/block.json @@ -5,3 +5,162 @@ # QAPI block core definitions { 'include': 'block-core.json' } +## +# BiosAtaTranslation: +# +# Policy that BIOS should use to interpret cylinder/head/sector +# addresses. Note that Bochs BIOS and SeaBIOS will not actually +# translate logical CHS to physical; instead, they will use logical +# block addressing. +# +# @auto: If cylinder/heads/sizes are passed, choose between none and LBA +# depending on the size of the disk. If they are not passed, +# choose none if QEMU can guess that the disk had 16 or fewer +# heads, large if QEMU can guess that the disk had 131072 or +# fewer tracks across all heads (i.e. cylinders*heads<131072), +# otherwise LBA. +# +# @none: The physical disk geometry is equal to the logical geometry. +# +# @lba: Assume 63 sectors per track and one of 16, 32, 64, 128 or 255 +# heads (if fewer than 255 are enough to cover the whole disk +# with 1024 cylinders/head). The number of cylinders/head is +# then computed based on the number of sectors and heads. +# +# @large: The number of cylinders per head is scaled down to 1024 +# by correspondingly scaling up the number of heads. +# +# @rechs: Same as @large, but first convert a 16-head geometry to +# 15-head, by proportionally scaling up the number of +# cylinders/head. +# +# Since: 2.0 +## +{ 'enum': 'BiosAtaTranslation', + 'data': ['auto', 'none', 'lba', 'large', 'rechs']} + +## +# @BlockdevSnapshotInternal +# +# @device: the name of the device to generate the snapshot from +# +# @name: the name of the internal snapshot to be created +# +# Notes: In transaction, if @name is empty, or any snapshot matching @name +# exists, the operation will fail. Only some image formats support it, +# for example, qcow2, rbd, and sheepdog. +# +# Since: 1.7 +## +{ 'type': 'BlockdevSnapshotInternal', + 'data': { 'device': 'str', 'name': 'str' } } + +## +# @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' } + +## +# @blockdev-snapshot-delete-internal-sync +# +# Synchronously delete an internal snapshot of a block device, when the format +# of the image used support it. The snapshot is identified by name or id or +# both. One of the name or id is required. Return SnapshotInfo for the +# successfully deleted snapshot. +# +# @device: the name of the device to delete the snapshot from +# +# @id: optional the snapshot's ID to be deleted +# +# @name: optional the snapshot's name to be deleted +# +# Returns: SnapshotInfo on success +# If @device is not a valid block device, DeviceNotFound +# If snapshot not found, GenericError +# If the format of the image used does not support it, +# BlockFormatFeatureNotSupported +# If @id and @name are both not specified, GenericError +# +# Since 1.7 +## +{ 'command': 'blockdev-snapshot-delete-internal-sync', + 'data': { 'device': 'str', '*id': 'str', '*name': 'str'}, + 'returns': 'SnapshotInfo' } + +## +# @eject: +# +# Ejects a device from a removable drive. +# +# @device: The name of the device +# +# @force: @optional If true, eject regardless of whether the drive is locked. +# If not specified, the default value is false. +# +# Returns: Nothing on success +# If @device is not a valid block device, DeviceNotFound +# +# Notes: Ejecting a device will no media results in success +# +# Since: 0.14.0 +## +{ 'command': 'eject', 'data': {'device': 'str', '*force': 'bool'} } + +## +# @nbd-server-start: +# +# Start an NBD server listening on the given host and port. Block +# devices can then be exported using @nbd-server-add. The NBD +# server will present them as named exports; for example, another +# QEMU instance could refer to them as "nbd:HOST:PORT:exportname=NAME". +# +# @addr: Address on which to listen. +# +# Returns: error if the server is already running. +# +# Since: 1.3.0 +## +{ 'command': 'nbd-server-start', + 'data': { 'addr': 'SocketAddress' } } + +## +# @nbd-server-add: +# +# Export a device to QEMU's embedded NBD server. +# +# @device: Block device to be exported +# +# @writable: Whether clients should be able to write to the device via the +# NBD connection (default false). #optional +# +# Returns: error if the device is already marked for export. +# +# Since: 1.3.0 +## +{ 'command': 'nbd-server-add', 'data': {'device': 'str', '*writable': 'bool'} } + +## +# @nbd-server-stop: +# +# Stop QEMU's embedded NBD server, and unregister all devices previously +# added via @nbd-server-add. +# +# Since: 1.3.0 +## +{ 'command': 'nbd-server-stop' } + -- cgit v1.1