# IDXD Driver {#idxd} # Public Interface {#idxd_interface} - spdk/idxd.h # Key Functions {#idxd_key_functions} Function | Description --------------------------------------- | ----------- spdk_idxd_probe() | @copybrief spdk_idxd_probe() spdk_idxd_submit_copy() | @copybrief spdk_idxd_submit_copy() spdk_idxd_submit_fill() | @copybrief spdk_idxd_submit_fill() # Pre-defined configurations {#idxd_configs} The RPC `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.