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authorPaolo Bonzini <pbonzini@redhat.com>2012-09-28 17:22:47 +0200
committerKevin Wolf <kwolf@redhat.com>2012-09-28 19:14:26 +0200
commit2f0c9fe64c6a2887047b7eab05cd85b2643234c8 (patch)
treeb51cbca0b50e9fc21482dd42a016d5ea20726144 /block_int.h
parent7e03a9342fff50f2a6a4086906fa66e6c6d4351d (diff)
block: move job APIs to separate files
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block_int.h')
-rw-r--r--block_int.h151
1 files changed, 0 insertions, 151 deletions
diff --git a/block_int.h b/block_int.h
index 6b6b3ab639..61dc73b0e4 100644
--- a/block_int.h
+++ b/block_int.h
@@ -67,73 +67,6 @@ typedef struct BlockIOBaseValue {
uint64_t ios[2];
} BlockIOBaseValue;
-typedef struct BlockJob BlockJob;
-
-/**
- * BlockJobType:
- *
- * A class type for block job objects.
- */
-typedef struct BlockJobType {
- /** Derived BlockJob struct size */
- size_t instance_size;
-
- /** String describing the operation, part of query-block-jobs QMP API */
- const char *job_type;
-
- /** Optional callback for job types that support setting a speed limit */
- void (*set_speed)(BlockJob *job, int64_t speed, Error **errp);
-} BlockJobType;
-
-/**
- * BlockJob:
- *
- * Long-running operation on a BlockDriverState.
- */
-struct BlockJob {
- /** The job type, including the job vtable. */
- const BlockJobType *job_type;
-
- /** The block device on which the job is operating. */
- BlockDriverState *bs;
-
- /**
- * The coroutine that executes the job. If not NULL, it is
- * reentered when busy is false and the job is cancelled.
- */
- Coroutine *co;
-
- /**
- * Set to true if the job should cancel itself. The flag must
- * always be tested just before toggling the busy flag from false
- * to true. After a job has been cancelled, it should only yield
- * if #qemu_aio_wait will ("sooner or later") reenter the coroutine.
- */
- bool cancelled;
-
- /**
- * Set to false by the job while it is in a quiescent state, where
- * no I/O is pending and the job has yielded on any condition
- * that is not detected by #qemu_aio_wait, such as a timer.
- */
- bool busy;
-
- /** Offset that is published by the query-block-jobs QMP API */
- int64_t offset;
-
- /** Length that is published by the query-block-jobs QMP API */
- int64_t len;
-
- /** Speed that was set with @block_job_set_speed. */
- int64_t speed;
-
- /** The completion function that will be called when the job completes. */
- BlockDriverCompletionFunc *cb;
-
- /** The opaque value that is passed to the completion function. */
- void *opaque;
-};
-
struct BlockDriver {
const char *format_name;
int instance_size;
@@ -355,90 +288,6 @@ int is_windows_drive(const char *filename);
#endif
/**
- * block_job_create:
- * @job_type: The class object for the newly-created job.
- * @bs: The block
- * @speed: The maximum speed, in bytes per second, or 0 for unlimited.
- * @cb: Completion function for the job.
- * @opaque: Opaque pointer value passed to @cb.
- * @errp: Error object.
- *
- * Create a new long-running block device job and return it. The job
- * will call @cb asynchronously when the job completes. Note that
- * @bs may have been closed at the time the @cb it is called. If
- * this is the case, the job may be reported as either cancelled or
- * completed.
- *
- * This function is not part of the public job interface; it should be
- * called from a wrapper that is specific to the job type.
- */
-void *block_job_create(const BlockJobType *job_type, BlockDriverState *bs,
- int64_t speed, BlockDriverCompletionFunc *cb,
- void *opaque, Error **errp);
-
-/**
- * block_job_sleep_ns:
- * @job: The job that calls the function.
- * @clock: The clock to sleep on.
- * @ns: How many nanoseconds to stop for.
- *
- * Put the job to sleep (assuming that it wasn't canceled) for @ns
- * nanoseconds. Canceling the job will interrupt the wait immediately.
- */
-void block_job_sleep_ns(BlockJob *job, QEMUClock *clock, int64_t ns);
-
-/**
- * block_job_complete:
- * @job: The job being completed.
- * @ret: The status code.
- *
- * Call the completion function that was registered at creation time, and
- * free @job.
- */
-void block_job_complete(BlockJob *job, int ret);
-
-/**
- * block_job_set_speed:
- * @job: The job to set the speed for.
- * @speed: The new value
- * @errp: Error object.
- *
- * Set a rate-limiting parameter for the job; the actual meaning may
- * vary depending on the job type.
- */
-void block_job_set_speed(BlockJob *job, int64_t speed, Error **errp);
-
-/**
- * block_job_cancel:
- * @job: The job to be canceled.
- *
- * Asynchronously cancel the specified job.
- */
-void block_job_cancel(BlockJob *job);
-
-/**
- * block_job_is_cancelled:
- * @job: The job being queried.
- *
- * Returns whether the job is scheduled for cancellation.
- */
-bool block_job_is_cancelled(BlockJob *job);
-
-/**
- * block_job_cancel_sync:
- * @job: The job to be canceled.
- *
- * Synchronously cancel the job. The completion callback is called
- * before the function returns. The job may actually complete
- * instead of canceling itself; the circumstances under which this
- * happens depend on the kind of job that is active.
- *
- * Returns the return value from the job if the job actually completed
- * during the call, or -ECANCELED if it was canceled.
- */
-int block_job_cancel_sync(BlockJob *job);
-
-/**
* stream_start:
* @bs: Block device to operate on.
* @base: Block device that will become the new base, or %NULL to