nvme\_init\_identify\_primary\_ctrl\_cap(9) libnvme API manual nvme\_init\_identify\_primary\_ctrl\_cap(9)

# [NAME](#NAME)

nvme\_init\_identify\_primary\_ctrl\_cap - Initialize passthru command for Primary Controller Capabilities data

# [SYNOPSIS](#SYNOPSIS)

**void nvme\_init\_identify\_primary\_ctrl\_cap** **(struct libnvme\_passthru\_cmd \*cmd ,** **\_\_u16 cntid ,** **struct nvme\_primary\_ctrl\_cap \*cap );**

# [ARGUMENTS](#ARGUMENTS)

[cmd](#cmd)

Command data structure to initialize

[cntid](#cntid)

Return controllers starting at this identifier

[cap](#cap)

User space destination buffer address to transfer the data

# [DESCRIPTION](#DESCRIPTION)

Initializes the passthru command buffer for the Identify command with CNS value NVME\_IDENTIFY\_CNS\_PRIMARY\_CTRL\_CAP.

nvme\_init\_identify\_primary\_ctrl\_cap October 2026

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