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Allow userspace to trigger a reauth (REPLACETLSPSK) from sysfs. This can be done by writing a zero to the sysfs file. echo 0 > /sys/devices/virtual/nvme-fabrics/ctl/nvme0/tls_configured_key In order to use the new keys for the admin queue we call controller reset. This isn't ideal, but I can't find a simpler way to reset the admin queue TLS connection. Signed-off-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Wilfred Mallawa <wilfred.mallawa@wdc.com> Signed-off-by: Keith Busch <kbusch@kernel.org>
14 lines
542 B
Plaintext
14 lines
542 B
Plaintext
What: /sys/devices/virtual/nvme-fabrics/ctl/.../tls_configured_key
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Date: November 2025
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KernelVersion: 6.19
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Contact: Linux NVMe mailing list <linux-nvme@lists.infradead.org>
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Description:
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The file is avaliable when using a secure concatanation
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connection to a NVMe target. Reading the file will return
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the serial of the currently negotiated key.
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Writing 0 to the file will trigger a PSK reauthentication
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(REPLACETLSPSK) with the target. After a reauthentication
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the value returned by tls_configured_key will be the new
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serial.
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