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Commit 4f6a1f4a authored by Barani Muthukumaran's avatar Barani Muthukumaran Committed by Todd Kjos
Browse files

ANDROID: ufshcd-crypto: export cap find API 



Export symbol ufshcd_crypto_cap_find to find
the crypto capabilities from the crypto engine
in the storage controller. This is used to
validate that the crypto_mode and data_unit_size
provided is supported by the inline encryption
hardware. This can be used by all vops

Bug: 147209885

Change-Id: I42de2d4f645adb2e4f688716434fd2884ff043bc
Signed-off-by: default avatarBarani Muthukumaran <bmuthuku@codeaurora.org>
Signed-off-by: default avatarEric Biggers <ebiggers@google.com>
parent d9d33d9a

drivers/scsi/ufs/ufshcd-crypto.c

+4 −3
Original line number Diff line number Diff line
@@ -37,7 +37,7 @@ static size_t get_keysize_bytes(enum ufs_crypto_key_size size) 
	}

}



static int ufshcd_crypto_cap_find(struct ufs_hba *hba,

int ufshcd_crypto_cap_find(struct ufs_hba *hba,

			   enum blk_crypto_mode_num crypto_mode,

			   unsigned int data_unit_size)

{
@@ -71,6 +71,7 @@ static int ufshcd_crypto_cap_find(struct ufs_hba *hba, 


	return -EINVAL;

}

EXPORT_SYMBOL(ufshcd_crypto_cap_find);



/**

 * ufshcd_crypto_cfg_entry_write_key - Write a key into a crypto_cfg_entry

drivers/scsi/ufs/ufshcd-crypto.h

+4 −0
Original line number Diff line number Diff line
@@ -36,6 +36,10 @@ static inline bool ufshcd_is_crypto_enabled(struct ufs_hba *hba) 
}



/* Functions implementing UFSHCI v2.1 specification behaviour */

int ufshcd_crypto_cap_find(struct ufs_hba *hba,

			   enum blk_crypto_mode_num crypto_mode,

			   unsigned int data_unit_size);



int ufshcd_prepare_lrbp_crypto_spec(struct ufs_hba *hba,

				    struct scsi_cmnd *cmd,

				    struct ufshcd_lrb *lrbp);