ATA_DEBUG_RQ
ATA_DEBUG_RQ(request, "interrupt");
ATA_DEBUG_RQ(request, "timeout");
ATA_DEBUG_RQ(request, "dmaload");
ATA_DEBUG_RQ(request, "dmaunload");
ATA_DEBUG_RQ(request, "end transaction");
ATA_DEBUG_RQ(request, "begin transaction");
ATA_DEBUG_RQ(request, "dmastart");
ATA_DEBUG_RQ(request, "dmastop");