.TH "nvme_init_identify_ns_user_data_format" 9 "nvme_init_identify_ns_user_data_format" "October 2026" "libnvme API manual" LINUX .SH NAME nvme_init_identify_ns_user_data_format \- Initialize passthru command for Identify namespace user data format .SH SYNOPSIS .B "void" nvme_init_identify_ns_user_data_format .BI "(struct libnvme_passthru_cmd *cmd " "," .BI "enum nvme_csi csi " "," .BI "__u16 fidx " "," .BI "__u8 uidx " "," .BI "void *data " ");" .SH ARGUMENTS .IP "cmd" 12 Command data structure to initialize .IP "csi" 12 Command Set Identifier .IP "fidx" 12 Format Index .IP "uidx" 12 UUID selection, if supported .IP "data" 12 User space destination address to transfer the data .SH "DESCRIPTION" Initializes the passthru command buffer for the Identify command with CNS value NVME_IDENTIFY_CNS_NS_USER_DATA_FORMAT.