Re: [PATCH v5 09/15] ufs: core: add support for generate, import and prepare keys

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On 6/17/24 02:51, Gaurav Kashyap wrote:
Block crypto allows storage controllers like UFS to
register ops to generate, prepare and import wrapped
keys in the kernel.

Wrapped keys in most cases will have vendor specific
implementations, which means these ops would need to have
corresponding UFS variant ops.
This change adds hooks in UFS core to support these variant
ops and tie them to the blk crypto ops.

Tested-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
Reviewed-by: Om Prakash Singh <quic_omprsing@xxxxxxxxxxx>
Signed-off-by: Gaurav Kashyap <quic_gaurkash@xxxxxxxxxxx>
---
  drivers/ufs/core/ufshcd-crypto.c | 41 ++++++++++++++++++++++++++++++++
  include/ufs/ufshcd.h             | 11 +++++++++
  2 files changed, 52 insertions(+)

diff --git a/drivers/ufs/core/ufshcd-crypto.c b/drivers/ufs/core/ufshcd-crypto.c
index c14800eac1ff..fb935a54acfa 100644
--- a/drivers/ufs/core/ufshcd-crypto.c
+++ b/drivers/ufs/core/ufshcd-crypto.c
@@ -143,10 +143,51 @@ bool ufshcd_crypto_enable(struct ufs_hba *hba)
  	return true;
  }
+static int ufshcd_crypto_generate_key(struct blk_crypto_profile *profile,
+				      u8 lt_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE])
+{
+	struct ufs_hba *hba =
+		container_of(profile, struct ufs_hba, crypto_profile);
+
+	if (hba->vops && hba->vops->generate_key)
+		return  hba->vops->generate_key(hba, lt_key);

Couple more double spaces in this one

Konrad




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