qmp: add query-block-jobs
Add query-block-jobs, which shows the progress of ongoing block device
operations.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/blockdev.c b/blockdev.c
index d3d6718..d026cd4 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -1006,3 +1006,36 @@
trace_qmp_block_job_cancel(job);
block_job_cancel(job);
}
+
+static void do_qmp_query_block_jobs_one(void *opaque, BlockDriverState *bs)
+{
+ BlockJobInfoList **prev = opaque;
+ BlockJob *job = bs->job;
+
+ if (job) {
+ BlockJobInfoList *elem;
+ BlockJobInfo *info = g_new(BlockJobInfo, 1);
+ *info = (BlockJobInfo){
+ .type = g_strdup(job->job_type->job_type),
+ .device = g_strdup(bdrv_get_device_name(bs)),
+ .len = job->len,
+ .offset = job->offset,
+ .speed = job->speed,
+ };
+
+ elem = g_new0(BlockJobInfoList, 1);
+ elem->value = info;
+
+ (*prev)->next = elem;
+ *prev = elem;
+ }
+}
+
+BlockJobInfoList *qmp_query_block_jobs(Error **errp)
+{
+ /* Dummy is a fake list element for holding the head pointer */
+ BlockJobInfoList dummy = {};
+ BlockJobInfoList *prev = &dummy;
+ bdrv_iterate(do_qmp_query_block_jobs_one, &prev);
+ return dummy.next;
+}
