From patchwork Sat Jan 27 23:14:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gaurav Kashyap X-Patchwork-Id: 767944 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DD6CB20B0F; Sat, 27 Jan 2024 23:26:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706398004; cv=none; b=NCHUirupKBrUJ/+q53JGisAAuVoeUT+dQKY/qAhpkNy+PboyN2okVQdFc4LPKzlzCbPPP6RkZk3Ke1el/Qb/XihDNhYquOUM8rsZI8mAjzRHQKTxqpA4qd+RJ6OGjZnsgHzxuDHX15ISI3dMqjjH/o92U6ggh4EshlbuqiUPMk0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706398004; c=relaxed/simple; bh=jstl00pDe6ZaQRcJVbIyePVGhUjWQPu0uo2G6X+kCwg=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=bSi5yx9SJc+hYdKltBjlw+CSTjJ4xlu/zZuOONRIPB68IdblND92lDVBXj/uUEJbvYTgjZsVR7hn0f8LQVoQNXobxhJOX9MLihay5w6Z8//I/Vm9l8nM28UvQMhVp8g8Tmr24UnFCgMSrkc4f09vK6TwS4fQ5Yk0287UCWWRjg0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=dHY7RnRa; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="dHY7RnRa" Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 40RNQPEV032301; Sat, 27 Jan 2024 23:26:25 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=lpSwXfamTR8hWVVtjbbPTfipbhrNMGF5S4nOSytSb4Q=; b=dH Y7RnRa37N1y84AbOe/ePSsTIBNsZGxdQvrZpGlsu4QpYAoElovzxRzQEozypaYFf MIlGGTnhHzH8rkU6fiIZGh5NQgXJl5co0uOX6Voy1E6pzvYV/gxSA+HGPlsCr3DU WsHIeU6erV8d2tOcgWpMUuFZkz+rUNhfOCPqiwmY8VKZWhVN56jA+AkpP1hsKMx8 nkHFYCAMgcTTRZrrO2hkJTEsJosNnUP0dCvOrqyNK2ItzBC2t28V0MeJv/Ggwebm ut0j9GndH/R3+vdugmuSagq0GgD3eAuMZ2dARGMLRP2MINmeERms/z+GI4zWdaAl wpsPjM4v1yxWUsc70BUA== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3vvq6shb8y-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 27 Jan 2024 23:26:24 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 40RNQNFQ010255 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 27 Jan 2024 23:26:23 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 15.2.1118.40; Sat, 27 Jan 2024 15:26:20 -0800 From: Gaurav Kashyap To: , , , , , , , , CC: , , , , , , , , , , , , , , , Gaurav Kashyap Subject: [PATCH v4 12/15] ufs: host: support for generate, import and prepare key Date: Sat, 27 Jan 2024 15:14:10 -0800 Message-ID: <20240127232436.2632187-13-quic_gaurkash@quicinc.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240127232436.2632187-1-quic_gaurkash@quicinc.com> References: <20240127232436.2632187-1-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: nalasex01c.na.qualcomm.com (10.47.97.35) 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: cK3VrZDmcMl2NO2NnfnczGmxlVCrHbrb X-Proofpoint-ORIG-GUID: cK3VrZDmcMl2NO2NnfnczGmxlVCrHbrb X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-25_14,2024-01-25_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 spamscore=0 phishscore=0 adultscore=0 clxscore=1015 malwarescore=0 priorityscore=1501 suspectscore=0 mlxscore=0 lowpriorityscore=0 mlxlogscore=999 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2401190000 definitions=main-2401270178 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. Signed-off-by: Gaurav Kashyap Reviewed-by: Om Prakash Singh Tested-by: Neil Armstrong --- 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 e319176accd3..5de23ae0538c 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -189,10 +189,41 @@ 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) { @@ -1802,6 +1833,9 @@ 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,