|spdk_idxd_probe()||Enumerate the IDXD devices attached to the system and attach the userspace IDXD driver to them if desired.|
|spdk_idxd_submit_copy()||Build and submit a DMA engine memory copy request.|
|spdk_idxd_submit_fill()||Build and submit a DMA engine memory fill request.|
idxd_scan_accel_engine is used to both enable IDXD and set it's configuration to one of two pre-defined configs:
Config #0: 4 groups, 1 work queue per group, 1 engine per group. Config #1: 2 groups, 2 work queues per group, 2 engines per group.