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Mon, 17 Jun 2024 00:59:01 GMT Received: from hu-gaurkash-lv.qualcomm.com (10.49.16.6) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Sun, 16 Jun 2024 17:58:56 -0700 From: Gaurav Kashyap To: , , , , , , , , CC: , , , , , , , , , , , , , , , , , , Gaurav Kashyap Subject: [PATCH v5 12/15] ufs: host: support for generate, import and prepare key Date: Sun, 16 Jun 2024 17:51:07 -0700 Message-ID: <20240617005825.1443206-13-quic_gaurkash@quicinc.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240617005825.1443206-1-quic_gaurkash@quicinc.com> References: <20240617005825.1443206-1-quic_gaurkash@quicinc.com> Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: SydS0BvmKAYRBKtPVSPE3840Y9ho9UEO X-Proofpoint-ORIG-GUID: SydS0BvmKAYRBKtPVSPE3840Y9ho9UEO X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-16_12,2024-06-14_03,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 lowpriorityscore=0 bulkscore=0 phishscore=0 mlxlogscore=999 spamscore=0 impostorscore=0 malwarescore=0 adultscore=0 mlxscore=0 priorityscore=1501 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2406170006 UFS core defines a variant ops to tie the corresponding generate, prepare and import wrapped key blk crypto ops to the vendor specific implementation of wrapped keys. This patch implements these variant ops. Reviewed-by: Om Prakash Singh Tested-by: Neil Armstrong Signed-off-by: Gaurav Kashyap --- drivers/ufs/host/ufs-qcom.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index d6ac9c147303..971598d099ba 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -195,10 +195,41 @@ static 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); } +static 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); +} + +static 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); +} + +static 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) { @@ -1825,6 +1856,9 @@ 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,