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* block/sed-opal: allocate struct opal_dev dynamicallyChristoph Hellwig2017-02-171-0/+23
| | | | | | | | | | | | | Insted of bloating the containing structure with it all the time this allocates struct opal_dev dynamically. Additionally this allows moving the definition of struct opal_dev into sed-opal.c. For this a new private data field is added to it that is passed to the send/receive callback. After that a lot of internals can be made private as well. Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Scott Bauer <scott.bauer@intel.com> Reviewed-by: Scott Bauer <scott.bauer@intel.com> Signed-off-by: Jens Axboe <axboe@fb.com>
* block: Add Sed-opal libraryScott Bauer2017-02-061-0/+429
This patch implements the necessary logic to bring an Opal enabled drive out of a factory-enabled into a working Opal state. This patch set also enables logic to save a password to be replayed during a resume from suspend. Signed-off-by: Scott Bauer <scott.bauer@intel.com> Signed-off-by: Rafael Antognolli <Rafael.Antognolli@intel.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>