Re: [PATCH v3 2/3] block: sed-opal: Implement IOC_OPAL_REVERT_LSP

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On 11/30/22 00:25, gjoyce@xxxxxxxxxxxxxxxxxx wrote:
From: Greg Joyce <gjoyce@xxxxxxxxxxxxxxxxxx>

This is used in conjunction with IOC_OPAL_REVERT_TPR to return a drive to
Original Factory State without erasing the data. If IOC_OPAL_REVERT_LSP
is called with opal_revert_lsp.options bit OPAL_PRESERVE set prior
to calling IOC_OPAL_REVERT_TPR, the drive global locking range will not
be erased.

Signed-off-by: Greg Joyce <gjoyce@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Jonathan Derrick <jonathan.derrick@xxxxxxxxx>
---
  block/opal_proto.h            |  4 ++++
  block/sed-opal.c              | 40 +++++++++++++++++++++++++++++++++++
  include/linux/sed-opal.h      |  1 +
  include/uapi/linux/sed-opal.h | 11 ++++++++++
  4 files changed, 56 insertions(+)

Reviewed-by: Hannes Reinecke <hare@xxxxxxx>

Cheers,

Hannes
--
Dr. Hannes Reinecke                Kernel Storage Architect
hare@xxxxxxx                              +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Ivo Totev, Andrew
Myers, Andrew McDonald, Martje Boudien Moerman




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