From patchwork Wed Jul 19 17:04:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gaurav Kashyap (QUIC)" X-Patchwork-Id: 13319268 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E975C04E69 for ; Wed, 19 Jul 2023 17:08:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231204AbjGSRIC (ORCPT ); Wed, 19 Jul 2023 13:08:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45272 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231176AbjGSRIA (ORCPT ); Wed, 19 Jul 2023 13:08:00 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F3C78B7; Wed, 19 Jul 2023 10:07:59 -0700 (PDT) Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36JGrEfV032565; Wed, 19 Jul 2023 17:07:56 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=qkrZIIAVeZWW3RG67/hq07pJ9AD1nRaR1IrtTXZca94=; b=YJHus4d4LhLo8wu7qF5wZ8sYgLNMnP6mdN/xyB5sZRLF2HePsAuvhL5dwrBIi+VE5gT+ BVYs6Lp+Xsd5LxMS3Xoj/3N0q1jpyWzS7/gAli4pCxSVwhhA4wnxgy8Ggs9/9guEPjJG 7JlDXt+KSRfHV/byWTA4siKJ4OrBrM3wsMhDiiemA2jjMKKmFpOSNPvSimj7Lavkg7I5 MW8Y3MGM1mVLSlzGrV0KUVgLSprRueWQnI3RVjeyJ5EBC+O/b0uweyHMUSzEqr4CRmmE dQLB0ZscQ2vmBbL7xsllCyD0O7CbtQQPDn80lniNcYNUm2K7XwkCWTGGlGS5Fm6U7gYB kA== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3rxd98h399-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 19 Jul 2023 17:07:56 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 36JH7uu6022276 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 19 Jul 2023 17:07:56 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 15.2.1118.30; Wed, 19 Jul 2023 10:07:55 -0700 From: Gaurav Kashyap To: , , CC: , , , , , , , , Gaurav Kashyap Subject: [PATCH v2 10/10] ufs: host: support for generate, import and prepare key Date: Wed, 19 Jul 2023 10:04:24 -0700 Message-ID: <20230719170423.220033-11-quic_gaurkash@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230719170423.220033-1-quic_gaurkash@quicinc.com> References: <20230719170423.220033-1-quic_gaurkash@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] 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: Um7zn_IoZg3OjWjmAbvuFMtf4kfOIAJa X-Proofpoint-ORIG-GUID: Um7zn_IoZg3OjWjmAbvuFMtf4kfOIAJa X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-19_12,2023-07-19_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 lowpriorityscore=0 phishscore=0 priorityscore=1501 impostorscore=0 mlxscore=0 malwarescore=0 bulkscore=0 mlxlogscore=938 spamscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307190154 Precedence: bulk List-ID: X-Mailing-List: linux-fscrypt@vger.kernel.org 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 --- 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,