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linux-kernel/linux-7.2.3/Documentation/ABI/testing/sysfs-nvme
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2026-09-06 12:53:21 -06:00

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