It's been almost 4 weeks since the last resend and there haven't been any comments. Is there anything that needs to be changed for acceptance? Thanks for your input. Greg On Fri, 2023-07-21 at 16:15 -0500, gjoyce@xxxxxxxxxxxxxxxxxx wrote: > From: Greg Joyce <gjoyce@xxxxxxxxxxxxxxxxxx> > > This patchset has gone through numerous rounds of review and > all comments/suggetions have been addressed. The reviews have > covered all relevant areas including reviews by block and keyring > developers as well as the SED Opal maintainer. The last > patchset submission has not solicited any responses in the > six weeks since it was last distributed. The changes are > generally useful and ready for inclusion. > > TCG SED Opal is a specification from The Trusted Computing Group > that allows self encrypting storage devices (SED) to be locked at > power on and require an authentication key to unlock the drive. > > The current SED Opal implementation in the block driver > requires that authentication keys be provided in an ioctl > so that they can be presented to the underlying SED > capable drive. Currently, the key is typically entered by > a user with an application like sedutil or sedcli. While > this process works, it does not lend itself to automation > like unlock by a udev rule. > > The SED block driver has been extended so it can alternatively > obtain a key from a sed-opal kernel keyring. The SED ioctls > will indicate the source of the key, either directly in the > ioctl data or from the keyring. > > Two new SED ioctls have also been added. These are: > 1) IOC_OPAL_REVERT_LSP to revert LSP state > 2) IOC_OPAL_DISCOVERY to discover drive capabilities/state > > change log v5: > - rebase to for-6.5/block > > change log v4: > - rebase to 6.3-rc7 > - replaced "255" magic number with U8_MAX > > change log: > - rebase to 6.x > - added latest reviews > - removed platform functions for persistent key storage > - replaced key update logic with key_create_or_update() > - minor bracing and padding changes > - add error returns > - opal_key structure is application provided but kernel > verified > - added brief description of TCG SED Opal > > > Greg Joyce (3): > block: sed-opal: Implement IOC_OPAL_DISCOVERY > block: sed-opal: Implement IOC_OPAL_REVERT_LSP > block: sed-opal: keyring support for SED keys > > block/Kconfig | 2 + > block/opal_proto.h | 4 + > block/sed-opal.c | 252 > +++++++++++++++++++++++++++++++++- > include/linux/sed-opal.h | 5 + > include/uapi/linux/sed-opal.h | 25 +++- > 5 files changed, 282 insertions(+), 6 deletions(-) > > > base-commit: 1341c7d2ccf42ed91aea80b8579d35bc1ea381e2
