mirror of https://gitee.com/openkylin/qemu.git
qmp-commands: move 'query-block' doc to schema
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Marc-André Lureau
Markus Armbruster
parent
5c32b4ccd6
commit
978cceab03
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@ -800,181 +800,6 @@ named schema entities. Entities are commands, events and various
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types. See docs/qapi-code-gen.txt for information on their structure
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and intended use.
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query-block
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-----------
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Show the block devices.
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Each block device information is stored in a json-object and the returned value
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is a json-array of all devices.
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Each json-object contain the following:
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- "device": device name (json-string)
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- "type": device type (json-string)
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- deprecated, retained for backward compatibility
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- Possible values: "unknown"
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- "removable": true if the device is removable, false otherwise (json-bool)
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- "locked": true if the device is locked, false otherwise (json-bool)
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- "tray_open": only present if removable, true if the device has a tray,
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and it is open (json-bool)
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- "inserted": only present if the device is inserted, it is a json-object
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containing the following:
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- "file": device file name (json-string)
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- "ro": true if read-only, false otherwise (json-bool)
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- "drv": driver format name (json-string)
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- Possible values: "blkdebug", "bochs", "cloop", "dmg",
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"file", "file", "ftp", "ftps", "host_cdrom",
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"host_device", "http", "https",
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"nbd", "parallels", "qcow", "qcow2", "raw",
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"vdi", "vmdk", "vpc", "vvfat"
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- "backing_file": backing file name (json-string, optional)
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- "backing_file_depth": number of files in the backing file chain (json-int)
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- "encrypted": true if encrypted, false otherwise (json-bool)
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- "bps": limit total bytes per second (json-int)
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- "bps_rd": limit read bytes per second (json-int)
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- "bps_wr": limit write bytes per second (json-int)
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- "iops": limit total I/O operations per second (json-int)
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- "iops_rd": limit read operations per second (json-int)
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- "iops_wr": limit write operations per second (json-int)
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- "bps_max": total max in bytes (json-int)
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- "bps_rd_max": read max in bytes (json-int)
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- "bps_wr_max": write max in bytes (json-int)
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- "iops_max": total I/O operations max (json-int)
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- "iops_rd_max": read I/O operations max (json-int)
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- "iops_wr_max": write I/O operations max (json-int)
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- "iops_size": I/O size when limiting by iops (json-int)
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- "detect_zeroes": detect and optimize zero writing (json-string)
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- Possible values: "off", "on", "unmap"
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- "write_threshold": write offset threshold in bytes, a event will be
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emitted if crossed. Zero if disabled (json-int)
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- "image": the detail of the image, it is a json-object containing
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the following:
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- "filename": image file name (json-string)
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- "format": image format (json-string)
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- "virtual-size": image capacity in bytes (json-int)
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- "dirty-flag": true if image is not cleanly closed, not present
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means clean (json-bool, optional)
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- "actual-size": actual size on disk in bytes of the image, not
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present when image does not support thin
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provision (json-int, optional)
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- "cluster-size": size of a cluster in bytes, not present if image
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format does not support it (json-int, optional)
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- "encrypted": true if the image is encrypted, not present means
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false or the image format does not support
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encryption (json-bool, optional)
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- "backing_file": backing file name, not present means no backing
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file is used or the image format does not
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support backing file chain
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(json-string, optional)
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- "full-backing-filename": full path of the backing file, not
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present if it equals backing_file or no
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backing file is used
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(json-string, optional)
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- "backing-filename-format": the format of the backing file, not
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present means unknown or no backing
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file (json-string, optional)
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- "snapshots": the internal snapshot info, it is an optional list
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of json-object containing the following:
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- "id": unique snapshot id (json-string)
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- "name": snapshot name (json-string)
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- "vm-state-size": size of the VM state in bytes (json-int)
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- "date-sec": UTC date of the snapshot in seconds (json-int)
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- "date-nsec": fractional part in nanoseconds to be used with
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date-sec (json-int)
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- "vm-clock-sec": VM clock relative to boot in seconds
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(json-int)
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- "vm-clock-nsec": fractional part in nanoseconds to be used
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with vm-clock-sec (json-int)
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- "backing-image": the detail of the backing image, it is an
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optional json-object only present when a
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backing image present for this image
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- "io-status": I/O operation status, only present if the device supports it
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and the VM is configured to stop on errors. It's always reset
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to "ok" when the "cont" command is issued (json_string, optional)
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- Possible values: "ok", "failed", "nospace"
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Example:
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-> { "execute": "query-block" }
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<- {
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"return":[
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{
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"io-status": "ok",
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"device":"ide0-hd0",
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"locked":false,
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"removable":false,
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"inserted":{
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"ro":false,
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"drv":"qcow2",
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"encrypted":false,
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"file":"disks/test.qcow2",
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"backing_file_depth":1,
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"bps":1000000,
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"bps_rd":0,
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"bps_wr":0,
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"iops":1000000,
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"iops_rd":0,
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"iops_wr":0,
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"bps_max": 8000000,
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"bps_rd_max": 0,
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"bps_wr_max": 0,
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"iops_max": 0,
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"iops_rd_max": 0,
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"iops_wr_max": 0,
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"iops_size": 0,
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"detect_zeroes": "on",
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"write_threshold": 0,
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"image":{
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"filename":"disks/test.qcow2",
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"format":"qcow2",
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"virtual-size":2048000,
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"backing_file":"base.qcow2",
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"full-backing-filename":"disks/base.qcow2",
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"backing-filename-format":"qcow2",
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"snapshots":[
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{
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"id": "1",
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"name": "snapshot1",
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"vm-state-size": 0,
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"date-sec": 10000200,
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"date-nsec": 12,
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"vm-clock-sec": 206,
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"vm-clock-nsec": 30
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}
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],
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"backing-image":{
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"filename":"disks/base.qcow2",
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"format":"qcow2",
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"virtual-size":2048000
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}
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}
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},
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"type":"unknown"
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},
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{
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"io-status": "ok",
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"device":"ide1-cd0",
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"locked":false,
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"removable":true,
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"type":"unknown"
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},
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{
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"device":"floppy0",
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"locked":false,
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"removable":true,
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"type":"unknown"
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},
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{
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"device":"sd0",
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"locked":false,
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"removable":true,
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"type":"unknown"
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}
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]
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}
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query-blockstats
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----------------
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@ -469,6 +469,87 @@
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# Returns: a list of @BlockInfo describing each virtual block device
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#
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# Since: 0.14.0
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#
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# Example:
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#
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# -> { "execute": "query-block" }
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# <- {
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# "return":[
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# {
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# "io-status": "ok",
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# "device":"ide0-hd0",
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# "locked":false,
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# "removable":false,
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# "inserted":{
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# "ro":false,
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# "drv":"qcow2",
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# "encrypted":false,
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# "file":"disks/test.qcow2",
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# "backing_file_depth":1,
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# "bps":1000000,
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# "bps_rd":0,
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# "bps_wr":0,
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# "iops":1000000,
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# "iops_rd":0,
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# "iops_wr":0,
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# "bps_max": 8000000,
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# "bps_rd_max": 0,
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# "bps_wr_max": 0,
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# "iops_max": 0,
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# "iops_rd_max": 0,
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# "iops_wr_max": 0,
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# "iops_size": 0,
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# "detect_zeroes": "on",
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# "write_threshold": 0,
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# "image":{
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# "filename":"disks/test.qcow2",
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# "format":"qcow2",
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# "virtual-size":2048000,
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# "backing_file":"base.qcow2",
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# "full-backing-filename":"disks/base.qcow2",
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# "backing-filename-format":"qcow2",
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# "snapshots":[
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# {
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# "id": "1",
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# "name": "snapshot1",
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# "vm-state-size": 0,
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# "date-sec": 10000200,
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# "date-nsec": 12,
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# "vm-clock-sec": 206,
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# "vm-clock-nsec": 30
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# }
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# ],
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# "backing-image":{
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# "filename":"disks/base.qcow2",
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# "format":"qcow2",
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# "virtual-size":2048000
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# }
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# }
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# },
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# "type":"unknown"
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# },
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# {
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# "io-status": "ok",
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# "device":"ide1-cd0",
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# "locked":false,
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# "removable":true,
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# "type":"unknown"
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# },
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# {
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# "device":"floppy0",
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# "locked":false,
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# "removable":true,
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# "type":"unknown"
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# },
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# {
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# "device":"sd0",
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# "locked":false,
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# "removable":true,
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# "type":"unknown"
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# }
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# ]
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# }
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#
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##
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{ 'command': 'query-block', 'returns': ['BlockInfo'] }
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