libnvmf_read_hostid(9) libnvme API manual libnvmf_read_hostid(9)

libnvmf_read_hostid - Get the configured host identifier

char * libnvmf_read_hostid (struct libnvme_global_ctx *ctx );

struct libnvme_global_ctx object

Return ctx's hostid default if one is set, otherwise read the identifier from $SYSCONFDIR/nvme/hostid. $SYSCONFDIR is usually /etc. An empty ctx default suppresses the file lookup.

This is not the identity a connect uses. See libnvmf_host_get_ids for the full resolution order.

The host identifier, or NULL if unsuccessful. If found, the caller is responsible to free the string.

libnvmf_read_hostid September 2026