block: Add Sed-opal library

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>

1 files changed, 7 insertions, 0 deletions

diff --git a/block/Kconfig b/block/Kconfig
index 7f659b23850c..1aef809affae 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -159,6 +159,13 @@ config BLK_DEBUG_FS
         Unless you are building a kernel for a tiny system, you should
         say Y here.
 
+config BLK_SED_OPAL
+        bool "Logic for interfacing with Opal enabled SEDs"
+        ---help---
+        Builds Logic for interfacing with Opal enabled controllers.
+        Enabling this option enables users to setup/unlock/lock
+        Locking ranges for SED devices using the Opal protocol.
+
 menu "Partition Types"
 
 source "block/partitions/Kconfig"