nvme\_init\_identify\_csi\_ns\_user\_data\_format(9) libnvme API manual nvme\_init\_identify\_csi\_ns\_user\_data\_format(9)

# [NAME](#NAME)

nvme\_init\_identify\_csi\_ns\_user\_data\_format - Initialize passthru command for Identify namespace user data format

# [SYNOPSIS](#SYNOPSIS)

**void nvme\_init\_identify\_csi\_ns\_user\_data\_format** **(struct libnvme\_passthru\_cmd \*cmd ,** **enum nvme\_csi csi ,** **\_\_u16 fidx ,** **\_\_u8 uidx ,** **void \*data );**

# [ARGUMENTS](#ARGUMENTS)

[cmd](#cmd)

Command data structure to initialize

[csi](#csi)

Command Set Identifier

[fidx](#fidx)

Format Index

[uidx](#uidx)

UUID selection, if supported

[data](#data)

User space destination address to transfer the data

# [DESCRIPTION](#DESCRIPTION)

Initializes the passthru command buffer for the Identify command with CNS value NVME\_IDENTIFY\_CNS\_CSI\_NS\_USER\_DATA\_FORMAT.

nvme\_init\_identify\_csi\_ns\_user\_data\_format October 2026

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Document: nvme_init_identify_csi_ns_user_data_format-libnvme3(2) from nvme-cli 3.2-r0 (Chainguard OS)
Source: https://github.com/linux-nvme/nvme-cli