[PATCH v2 10/10] ufs: host: support for generate, import and prepare key

[Gaurav Kashyap <quic_gaurkash@quicinc.com>]

Implements the vops for generate, prepare and import key
apis in ufs qcom and call the respective ICE module apis
for them.

Signed-off-by: Gaurav Kashyap <quic_gaurkash@quicinc.com>
---
 drivers/ufs/host/ufs-qcom.c | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
index 9a7c5d46dbf4..b5be0c41cba2 100644
--- a/drivers/ufs/host/ufs-qcom.c
+++ b/drivers/ufs/host/ufs-qcom.c
@@ -149,10 +149,42 @@ int ufs_qcom_ice_derive_sw_secret(struct ufs_hba *hba, const u8 wrapped_key[],
 					wrapped_key_size, sw_secret);
 }
 
+int ufs_qcom_ice_generate_key(struct ufs_hba *hba,
+	u8 longterm_wrapped_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE])
+{
+	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
+
+	return qcom_ice_generate_key(host->ice, longterm_wrapped_key);
+}
+
+int ufs_qcom_ice_prepare_key(struct ufs_hba *hba,
+	const u8 *longterm_wrapped_key, unsigned int longterm_wrapped_key_size,
+	u8 ephemerally_wrapped_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE])
+{
+	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
+
+	return qcom_ice_prepare_key(host->ice, longterm_wrapped_key,
+				    longterm_wrapped_key_size,
+				    ephemerally_wrapped_key);
+}
+
+int ufs_qcom_ice_import_key(struct ufs_hba *hba,
+	const u8 *imported_key, unsigned int imported_key_size,
+	u8 longterm_wrapped_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE])
+{
+	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
+
+	return qcom_ice_import_key(host->ice, imported_key, imported_key_size,
+				   longterm_wrapped_key);
+}
+
 #else
 
 #define ufs_qcom_ice_program_key NULL
 #define ufs_qcom_ice_derive_sw_secret NULL
+#define ufs_qcom_ice_generate_key NULL
+#define ufs_qcom_ice_prepare_key NULL
+#define ufs_qcom_ice_import_key NULL
 
 static inline void ufs_qcom_ice_enable(struct ufs_qcom_host *host)
 {
@@ -1769,6 +1801,9 @@ static const struct ufs_hba_variant_ops ufs_hba_qcom_vops = {
 	.config_scaling_param = ufs_qcom_config_scaling_param,
 	.program_key		= ufs_qcom_ice_program_key,
 	.derive_sw_secret	= ufs_qcom_ice_derive_sw_secret,
+	.generate_key		= ufs_qcom_ice_generate_key,
+	.prepare_key		= ufs_qcom_ice_prepare_key,
+	.import_key		= ufs_qcom_ice_import_key,
 	.reinit_notify		= ufs_qcom_reinit_notify,
 	.mcq_config_resource	= ufs_qcom_mcq_config_resource,
 	.get_hba_mac		= ufs_qcom_get_hba_mac,
-- 
2.25.1