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

[Hannes Reinecke]

On 11/30/22 00:25, gjoyce at linux.vnet.ibm.com wrote:
> From: Greg Joyce <gjoyce at linux.vnet.ibm.com>
> 
> 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 at linux.vnet.ibm.com>
> Reviewed-by: Christoph Hellwig <hch at lst.de>
> Reviewed-by: Jonathan Derrick <jonathan.derrick at linux.dev>
> ---
>   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 at suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare at suse.de                              +49 911 74053 688
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