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-rw-r--r--qapi/block-core.json116
-rw-r--r--qapi/job.json253
-rw-r--r--qapi/qapi-schema.json1
3 files changed, 269 insertions, 101 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json
index 55728cb..7dfa77a 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -6,6 +6,7 @@
{ 'include': 'common.json' }
{ 'include': 'crypto.json' }
+{ 'include': 'job.json' }
{ 'include': 'sockets.json' }
##
@@ -1050,95 +1051,6 @@
'data': ['top', 'full', 'none', 'incremental'] }
##
-# @BlockJobType:
-#
-# Type of a block job.
-#
-# @commit: block commit job type, see "block-commit"
-#
-# @stream: block stream job type, see "block-stream"
-#
-# @mirror: drive mirror job type, see "drive-mirror"
-#
-# @backup: drive backup job type, see "drive-backup"
-#
-# Since: 1.7
-##
-{ 'enum': 'BlockJobType',
- 'data': ['commit', 'stream', 'mirror', 'backup'] }
-
-##
-# @BlockJobVerb:
-#
-# Represents command verbs that can be applied to a blockjob.
-#
-# @cancel: see @block-job-cancel
-#
-# @pause: see @block-job-pause
-#
-# @resume: see @block-job-resume
-#
-# @set-speed: see @block-job-set-speed
-#
-# @complete: see @block-job-complete
-#
-# @dismiss: see @block-job-dismiss
-#
-# @finalize: see @block-job-finalize
-#
-# Since: 2.12
-##
-{ 'enum': 'BlockJobVerb',
- 'data': ['cancel', 'pause', 'resume', 'set-speed', 'complete', 'dismiss',
- 'finalize' ] }
-
-##
-# @BlockJobStatus:
-#
-# Indicates the present state of a given blockjob in its lifetime.
-#
-# @undefined: Erroneous, default state. Should not ever be visible.
-#
-# @created: The job has been created, but not yet started.
-#
-# @running: The job is currently running.
-#
-# @paused: The job is running, but paused. The pause may be requested by
-# either the QMP user or by internal processes.
-#
-# @ready: The job is running, but is ready for the user to signal completion.
-# This is used for long-running jobs like mirror that are designed to
-# run indefinitely.
-#
-# @standby: The job is ready, but paused. This is nearly identical to @paused.
-# The job may return to @ready or otherwise be canceled.
-#
-# @waiting: The job is waiting for other jobs in the transaction to converge
-# to the waiting state. This status will likely not be visible for
-# the last job in a transaction.
-#
-# @pending: The job has finished its work, but has finalization steps that it
-# needs to make prior to completing. These changes may require
-# manual intervention by the management process if manual was set
-# to true. These changes may still fail.
-#
-# @aborting: The job is in the process of being aborted, and will finish with
-# an error. The job will afterwards report that it is @concluded.
-# This status may not be visible to the management process.
-#
-# @concluded: The job has finished all work. If manual was set to true, the job
-# will remain in the query list until it is dismissed.
-#
-# @null: The job is in the process of being dismantled. This state should not
-# ever be visible externally.
-#
-# Since: 2.12
-##
-{ 'enum': 'BlockJobStatus',
- 'data': ['undefined', 'created', 'running', 'paused', 'ready', 'standby',
- 'waiting', 'pending', 'aborting', 'concluded', 'null' ] }
-
-##
# @BlockJobInfo:
#
# Information about a long-running block device operation.
@@ -1148,7 +1060,12 @@
# @device: The job identifier. Originally the device name but other
# values are allowed since QEMU 2.7
#
-# @len: the maximum progress value
+# @len: Estimated @offset value at the completion of the job. This value can
+# arbitrarily change while the job is running, in both directions.
+#
+# @offset: Progress made until now. The unit is arbitrary and the value can
+# only meaningfully be used for the ratio of @offset to @len. The
+# value is monotonically increasing.
#
# @busy: false if the job is known to be in a quiescent state, with
# no pending I/O. Since 1.3.
@@ -1156,8 +1073,6 @@
# @paused: whether the job is paused or, if @busy is true, will
# pause itself as soon as possible. Since 1.3.
#
-# @offset: the current progress value
-#
# @speed: the rate limit, bytes per second
#
# @io-status: the status of the job (since 1.3)
@@ -1181,7 +1096,7 @@
'data': {'type': 'str', 'device': 'str', 'len': 'int',
'offset': 'int', 'busy': 'bool', 'paused': 'bool', 'speed': 'int',
'io-status': 'BlockDeviceIoStatus', 'ready': 'bool',
- 'status': 'BlockJobStatus',
+ 'status': 'JobStatus',
'auto-finalize': 'bool', 'auto-dismiss': 'bool',
'*error': 'str' } }
@@ -2338,8 +2253,7 @@
#
# This command returns immediately after marking the active background block
# operation for pausing. It is an error to call this command if no
-# operation is in progress. Pausing an already paused job has no cumulative
-# effect; a single block-job-resume command will resume the job.
+# operation is in progress or if the job is already paused.
#
# The operation will pause as soon as possible. No event is emitted when
# the operation is actually paused. Cancelling a paused job automatically
@@ -2363,7 +2277,7 @@
#
# This command returns immediately after resuming a paused background block
# operation. It is an error to call this command if no operation is in
-# progress. Resuming an already running job is not an error.
+# progress or if the job is not paused.
#
# This command also clears the error status of the job.
#
@@ -2414,7 +2328,7 @@
# QEMU 2.12+ job lifetime management semantics.
#
# This command will refuse to operate on any job that has not yet reached
-# its terminal state, BLOCK_JOB_STATUS_CONCLUDED. For jobs that make use of
+# its terminal state, JOB_STATUS_CONCLUDED. For jobs that make use of the
# BLOCK_JOB_READY event, block-job-cancel or block-job-complete will still need
# to be used as appropriate.
#
@@ -4497,7 +4411,7 @@
#
##
{ 'event': 'BLOCK_JOB_COMPLETED',
- 'data': { 'type' : 'BlockJobType',
+ 'data': { 'type' : 'JobType',
'device': 'str',
'len' : 'int',
'offset': 'int',
@@ -4533,7 +4447,7 @@
#
##
{ 'event': 'BLOCK_JOB_CANCELLED',
- 'data': { 'type' : 'BlockJobType',
+ 'data': { 'type' : 'JobType',
'device': 'str',
'len' : 'int',
'offset': 'int',
@@ -4598,7 +4512,7 @@
#
##
{ 'event': 'BLOCK_JOB_READY',
- 'data': { 'type' : 'BlockJobType',
+ 'data': { 'type' : 'JobType',
'device': 'str',
'len' : 'int',
'offset': 'int',
@@ -4625,7 +4539,7 @@
#
##
{ 'event': 'BLOCK_JOB_PENDING',
- 'data': { 'type' : 'BlockJobType',
+ 'data': { 'type' : 'JobType',
'id' : 'str' } }
##
diff --git a/qapi/job.json b/qapi/job.json
new file mode 100644
index 0000000..970124d
--- /dev/null
+++ b/qapi/job.json
@@ -0,0 +1,253 @@
+# -*- Mode: Python -*-
+
+##
+# == Background jobs
+##
+
+##
+# @JobType:
+#
+# Type of a background job.
+#
+# @commit: block commit job type, see "block-commit"
+#
+# @stream: block stream job type, see "block-stream"
+#
+# @mirror: drive mirror job type, see "drive-mirror"
+#
+# @backup: drive backup job type, see "drive-backup"
+#
+# Since: 1.7
+##
+{ 'enum': 'JobType',
+ 'data': ['commit', 'stream', 'mirror', 'backup'] }
+
+##
+# @JobStatus:
+#
+# Indicates the present state of a given job in its lifetime.
+#
+# @undefined: Erroneous, default state. Should not ever be visible.
+#
+# @created: The job has been created, but not yet started.
+#
+# @running: The job is currently running.
+#
+# @paused: The job is running, but paused. The pause may be requested by
+# either the QMP user or by internal processes.
+#
+# @ready: The job is running, but is ready for the user to signal completion.
+# This is used for long-running jobs like mirror that are designed to
+# run indefinitely.
+#
+# @standby: The job is ready, but paused. This is nearly identical to @paused.
+# The job may return to @ready or otherwise be canceled.
+#
+# @waiting: The job is waiting for other jobs in the transaction to converge
+# to the waiting state. This status will likely not be visible for
+# the last job in a transaction.
+#
+# @pending: The job has finished its work, but has finalization steps that it
+# needs to make prior to completing. These changes may require
+# manual intervention by the management process if manual was set
+# to true. These changes may still fail.
+#
+# @aborting: The job is in the process of being aborted, and will finish with
+# an error. The job will afterwards report that it is @concluded.
+# This status may not be visible to the management process.
+#
+# @concluded: The job has finished all work. If manual was set to true, the job
+# will remain in the query list until it is dismissed.
+#
+# @null: The job is in the process of being dismantled. This state should not
+# ever be visible externally.
+#
+# Since: 2.12
+##
+{ 'enum': 'JobStatus',
+ 'data': ['undefined', 'created', 'running', 'paused', 'ready', 'standby',
+ 'waiting', 'pending', 'aborting', 'concluded', 'null' ] }
+
+##
+# @JobVerb:
+#
+# Represents command verbs that can be applied to a job.
+#
+# @cancel: see @block-job-cancel
+#
+# @pause: see @block-job-pause
+#
+# @resume: see @block-job-resume
+#
+# @set-speed: see @block-job-set-speed
+#
+# @complete: see @block-job-complete
+#
+# @dismiss: see @block-job-dismiss
+#
+# @finalize: see @block-job-finalize
+#
+# Since: 2.12
+##
+{ 'enum': 'JobVerb',
+ 'data': ['cancel', 'pause', 'resume', 'set-speed', 'complete', 'dismiss',
+ 'finalize' ] }
+
+##
+# @JOB_STATUS_CHANGE:
+#
+# Emitted when a job transitions to a different status.
+#
+# @id: The job identifier
+# @status: The new job status
+#
+# Since: 2.13
+##
+{ 'event': 'JOB_STATUS_CHANGE',
+ 'data': { 'id': 'str',
+ 'status': 'JobStatus' } }
+
+##
+# @job-pause:
+#
+# Pause an active job.
+#
+# This command returns immediately after marking the active job for pausing.
+# Pausing an already paused job is an error.
+#
+# The job will pause as soon as possible, which means transitioning into the
+# PAUSED state if it was RUNNING, or into STANDBY if it was READY. The
+# corresponding JOB_STATUS_CHANGE event will be emitted.
+#
+# Cancelling a paused job automatically resumes it.
+#
+# @id: The job identifier.
+#
+# Since: 2.13
+##
+{ 'command': 'job-pause', 'data': { 'id': 'str' } }
+
+##
+# @job-resume:
+#
+# Resume a paused job.
+#
+# This command returns immediately after resuming a paused job. Resuming an
+# already running job is an error.
+#
+# @id : The job identifier.
+#
+# Since: 2.13
+##
+{ 'command': 'job-resume', 'data': { 'id': 'str' } }
+
+##
+# @job-cancel:
+#
+# Instruct an active background job to cancel at the next opportunity.
+# This command returns immediately after marking the active job for
+# cancellation.
+#
+# The job will cancel as soon as possible and then emit a JOB_STATUS_CHANGE
+# event. Usually, the status will change to ABORTING, but it is possible that
+# a job successfully completes (e.g. because it was almost done and there was
+# no opportunity to cancel earlier than completing the job) and transitions to
+# PENDING instead.
+#
+# @id: The job identifier.
+#
+# Since: 2.13
+##
+{ 'command': 'job-cancel', 'data': { 'id': 'str' } }
+
+
+##
+# @job-complete:
+#
+# Manually trigger completion of an active job in the READY state.
+#
+# @id: The job identifier.
+#
+# Since: 2.13
+##
+{ 'command': 'job-complete', 'data': { 'id': 'str' } }
+
+##
+# @job-dismiss:
+#
+# Deletes a job that is in the CONCLUDED state. This command only needs to be
+# run explicitly for jobs that don't have automatic dismiss enabled.
+#
+# This command will refuse to operate on any job that has not yet reached its
+# terminal state, JOB_STATUS_CONCLUDED. For jobs that make use of JOB_READY
+# event, job-cancel or job-complete will still need to be used as appropriate.
+#
+# @id: The job identifier.
+#
+# Since: 2.13
+##
+{ 'command': 'job-dismiss', 'data': { 'id': 'str' } }
+
+##
+# @job-finalize:
+#
+# Instructs all jobs in a transaction (or a single job if it is not part of any
+# transaction) to finalize any graph changes and do any necessary cleanup. This
+# command requires that all involved jobs are in the PENDING state.
+#
+# For jobs in a transaction, instructing one job to finalize will force
+# ALL jobs in the transaction to finalize, so it is only necessary to instruct
+# a single member job to finalize.
+#
+# @id: The identifier of any job in the transaction, or of a job that is not
+# part of any transaction.
+#
+# Since: 2.13
+##
+{ 'command': 'job-finalize', 'data': { 'id': 'str' } }
+
+##
+# @JobInfo:
+#
+# Information about a job.
+#
+# @id: The job identifier
+#
+# @type: The kind of job that is being performed
+#
+# @status: Current job state/status
+#
+# @current-progress: Progress made until now. The unit is arbitrary and the
+# value can only meaningfully be used for the ratio of
+# @current-progress to @total-progress. The value is
+# monotonically increasing.
+#
+# @total-progress: Estimated @current-progress value at the completion of
+# the job. This value can arbitrarily change while the
+# job is running, in both directions.
+#
+# @error: If this field is present, the job failed; if it is
+# still missing in the CONCLUDED state, this indicates
+# successful completion.
+#
+# The value is a human-readable error message to describe
+# the reason for the job failure. It should not be parsed
+# by applications.
+#
+# Since: 2.13
+##
+{ 'struct': 'JobInfo',
+ 'data': { 'id': 'str', 'type': 'JobType', 'status': 'JobStatus',
+ 'current-progress': 'int', 'total-progress': 'int',
+ '*error': 'str' } }
+
+##
+# @query-jobs:
+#
+# Return information about jobs.
+#
+# Returns: a list with a @JobInfo for each active job
+#
+# Since: 2.13
+##
+{ 'command': 'query-jobs', 'returns': ['JobInfo'] }
diff --git a/qapi/qapi-schema.json b/qapi/qapi-schema.json
index 25bce78..65b6dc2 100644
--- a/qapi/qapi-schema.json
+++ b/qapi/qapi-schema.json
@@ -84,6 +84,7 @@
{ 'include': 'crypto.json' }
{ 'include': 'block.json' }
{ 'include': 'char.json' }
+{ 'include': 'job.json' }
{ 'include': 'net.json' }
{ 'include': 'rocker.json' }
{ 'include': 'tpm.json' }