Re: [PATCH 1/1] scsi: ufs: crypto: Add ufs_hba_variant_ops::crypto_keyslot_remap

[Eric Biggers]

On Wed, Nov 12, 2025 at 11:05:24AM +0800, zheng.gong wrote:
> Add a new variant operation crypto_keyslot_remap to allow platform-specific
> remapping of crypto keyslot indices before sending requests to the UFS
> controller. This is required on platforms that partition the UFS crypto
> engine's keyslots among multiple domains (e.g.virtual machines),
> where each domain has a keyslot offset.
> 
> To support this, pass the UFS HBA pointer to ufshcd_prepare_lrbp_crypto(),
> so the callback can access platform context.
> 
> This functionality is used on Samsung ExynosAuto UFS platforms, where
> keyslot allocation is per-VM and a runtime offset is applied based on
> the VM ID.
> 
> Signed-off-by: zheng.gong <zheng.gong@xxxxxxxxxxx>
> ---
>  drivers/ufs/core/ufshcd-crypto.h | 10 ++++++++--
>  drivers/ufs/core/ufshcd.c        |  9 +++++----
>  include/ufs/ufshcd.h             |  6 ++++++
>  3 files changed, 19 insertions(+), 6 deletions(-)

This doesn't make sense by itself.  The patch that uses this new method
needs to be submitted alongside it.

- Eric