diff mbox series

[v3,10/12] ufs: host: support for generate, import and prepare key

Message ID 20231122053817.3401748-11-quic_gaurkash@quicinc.com
State Superseded
Headers show
Series Hardware wrapped key support for qcom ice and ufs | expand

Commit Message

Gaurav Kashyap (QUIC) Nov. 22, 2023, 5:38 a.m. UTC
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 | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

Comments

Om Prakash Singh Dec. 8, 2023, 8:29 a.m. UTC | #1
On 11/22/2023 11:08 AM, Gaurav Kashyap wrote:
> 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> ---
Reviewed-by: Om Prakash Singh <quic_omprsing@quicinc.com>
diff mbox series

Patch

diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
index 6b09e09b1a30..b4644d07d6f3 100644
--- a/drivers/ufs/host/ufs-qcom.c
+++ b/drivers/ufs/host/ufs-qcom.c
@@ -191,10 +191,41 @@  int ufs_qcom_ice_derive_sw_secret(struct ufs_hba *hba, const u8 wkey[],
 	return qcom_ice_derive_sw_secret(host->ice, wkey, wkey_size, sw_secret);
 }
 
+int ufs_qcom_ice_generate_key(struct ufs_hba *hba,
+			      u8 lt_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE])
+{
+	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
+
+	return qcom_ice_generate_key(host->ice, lt_key);
+}
+
+int ufs_qcom_ice_prepare_key(struct ufs_hba *hba,
+			     const u8 *lt_key, size_t lt_key_size,
+			     u8 eph_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE])
+{
+	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
+
+	return qcom_ice_prepare_key(host->ice, lt_key, lt_key_size,
+				    eph_key);
+}
+
+int ufs_qcom_ice_import_key(struct ufs_hba *hba,
+			    const u8 *imp_key, size_t imp_key_size,
+			    u8 lt_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE])
+{
+	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
+
+	return qcom_ice_import_key(host->ice, imp_key, imp_key_size,
+				   lt_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)
 {
@@ -2017,6 +2048,9 @@  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,