libnvmf_register_ctrl(9) libnvme API manual libnvmf_register_ctrl(9)

libnvmf_register_ctrl - Perform registration task with a DC

int libnvmf_register_ctrl (struct libnvme_ctrl *c , enum nvmf_dim_tas tas , __u32 *result );

Controller instance
Task field of the Command Dword 10 (cdw10). Indicates whether to perform a Registration, Deregistration, or Registration-update.
The command-specific result returned by the DC upon command completion.

Perform registration task with a Discovery Controller (DC). Three tasks are supported: register, deregister, and registration update.

0 on success, negative error code otherwise.

libnvmf_register_ctrl September 2026