1What: /sys/devices/virtual/nvme-fabrics/ctl/.../tls_configured_key 2Date: November 2025 3KernelVersion: 6.19 4Contact: Linux NVMe mailing list <linux-nvme@lists.infradead.org> 5Description: 6 The file is avaliable when using a secure concatanation 7 connection to a NVMe target. Reading the file will return 8 the serial of the currently negotiated key. 9 10 Writing 0 to the file will trigger a PSK reauthentication 11 (REPLACETLSPSK) with the target. After a reauthentication 12 the value returned by tls_configured_key will be the new 13 serial. 14