.TH "libnvme" 9 "enum nvme_lm_ctrl_data_queue_fid" "March 2025" "API Manual" LINUX .SH NAME enum nvme_lm_ctrl_data_queue_fid \- Controller Data Queue - Set Feature .SH SYNOPSIS enum nvme_lm_ctrl_data_queue_fid { .br .BI " NVME_LM_CTRL_DATA_QUEUE_ETPT_MASK" , .br .br .BI " NVME_LM_CTRL_DATA_QUEUE_ETPT_SHIFT" }; .SH Constants .IP "NVME_LM_CTRL_DATA_QUEUE_ETPT_MASK" 12 Mask to set Enable Tail Pointer Trigger (ETPT) .IP "NVME_LM_CTRL_DATA_QUEUE_ETPT_SHIFT" 12 Shift to set ETPT