[PATCH 0/2] Add Opal unlock support to NVMe.

Christoph Hellwig hch at infradead.org
Mon Apr 25 01:24:08 PDT 2016


On Fri, Apr 22, 2016 at 04:12:10PM -0700, Rafael Antognolli wrote:
> This patch series implement a small set of the Opal protocol for self
> encrypting devices. It's implemented only what is needed for saving a password
> and unlocking a given "locking range". The password is saved on the driver and
> replayed back to the device on resume from suspend to RAM. It is specifically
> supporting the single user mode.
> 
> It is not planned to implement the full Opal protocol (at least not for now).

I think the OPAL code should be a generic library outside the NVMe
code so that we can use it for SATA and SAS as well, just with a little
glue code for the Security Send / Receive commands to wire it up to
NVMe.



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