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Commit 0bde03e7 authored by Gaurav Kashyap's avatar Gaurav Kashyap
Browse files

scsi: ufs: Make crypto updates on QTI ufs 



Make v6 updates on ufshcd-qti.c to match the updates
in ufshcd.c. Also compile UFS crypto when using
ufshcd-qti.

Change-Id: I1799b9b7f0aeee2cb76599403ae8461457a3fcd2
Signed-off-by: default avatarGaurav Kashyap <gaurkash@codeaurora.org>
parent addcafbc

drivers/scsi/ufs/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -171,7 +171,7 @@ config SCSI_UFS_BSG 


config SCSI_UFS_CRYPTO

	bool "UFS Crypto Engine Support"

	depends on SCSI_UFSHCD && BLK_INLINE_ENCRYPTION

	depends on (SCSI_UFSHCD || SCSI_UFSHCD_QTI) && BLK_INLINE_ENCRYPTION

	help

	  Enable Crypto Engine Support in UFS.

	  Enabling this makes it possible for the kernel to use the crypto

drivers/scsi/ufs/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -15,3 +15,4 @@ obj-$(CONFIG_SCSI_UFSHCD_QTI) += ufshcd-qti-core.o 
ufshcd-qti-core-y		+= ufshcd-qti.o ufs-sysfs.o

ufshcd-qti-core-$(CONFIG_SCSI_UFS_BSG)	+= ufs_bsg.o

ufshcd-core-$(CONFIG_SCSI_UFS_CRYPTO) += ufshcd-crypto.o

ufshcd-qti-core-$(CONFIG_SCSI_UFS_CRYPTO) += ufshcd-crypto.o

drivers/scsi/ufs/ufshcd-qti.c

+6 −2
Original line number Diff line number Diff line
@@ -2890,12 +2890,14 @@ static int ufshcd_prepare_req_desc_hdr(struct ufshcd_lrb *lrbp, 


	/* Transfer request descriptor header fields */

	if (lrbp->crypto_enable) {

#if IS_ENABLED(CONFIG_SCSI_UFS_CRYPTO)

		dword_0 |= UTP_REQ_DESC_CRYPTO_ENABLE_CMD;

		dword_0 |= lrbp->crypto_key_slot;

		req_desc->header.dword_1 =

			cpu_to_le32((u32)lrbp->data_unit_num);

			cpu_to_le32(lower_32_bits(lrbp->data_unit_num));

		req_desc->header.dword_3 =

			cpu_to_le32((u32)(lrbp->data_unit_num >> 32));

			cpu_to_le32(upper_32_bits(lrbp->data_unit_num));

#endif /* CONFIG_SCSI_UFS_CRYPTO */

	} else {

		/* dword_1 and dword_3 are reserved, hence they are set to 0 */

		req_desc->header.dword_1 = 0;
@@ -3309,7 +3311,9 @@ static int ufshcd_compose_dev_cmd(struct ufs_hba *hba, 
	lrbp->task_tag = tag;

	lrbp->lun = 0; /* device management cmd is not specific to any LUN */

	lrbp->intr_cmd = true; /* No interrupt aggregation */

#if IS_ENABLED(CONFIG_SCSI_UFS_CRYPTO)

	lrbp->crypto_enable = false; /* No crypto operations */

#endif

	hba->dev_cmd.type = cmd_type;



	return ufshcd_comp_devman_upiu(hba, lrbp);