From patchwork Mon Jun 17 00:51:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gaurav Kashyap \(QUIC\)" X-Patchwork-Id: 806637 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 DA7A2441F; Mon, 17 Jun 2024 00:59:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718585984; cv=none; b=J6stmeJShWAwFymOMj+mw4a3XKiWcgtqS9zQogmsNW2s4/BTS/0rQHj40ldvs8k3dqRHdufrOMp0IiGU5Z6E0S7gJ4vLCb/i2MAc9NbQTQ7s+0SjX7GRNFO5mbvlWttT/J6H4iNxrUvTRUsnDB9nQzOayJf+6rBcicMaVtljQGk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718585984; c=relaxed/simple; bh=5bYHipe++QDfZuNjUSFAEEQHl1D6NdV4h+YnIjUT0Rk=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=DSHCrV9NlAZGYtqOym/mohtEK0whk32+sw8pvSB4EZEibjPKIM0FLhoYKGSCe490Pqw4/j+d9HSMbwJkYLEOw1p3S7HmIac0b+q/Yx0P/Npt2a97XFYhT2XWwRy+9kdN/DTgcisoVfO7Jb8R9YZr+8LDj6FUTkj11KQa60vEreQ= 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=nLyFzZjO; arc=none smtp.client-ip=205.220.168.131 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="nLyFzZjO" Received: from pps.filterd (m0279867.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 45GMime2002279; Mon, 17 Jun 2024 00:59:02 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= wnnOipFym8Nc/CwOiHlCvif70ZzeDQ60T15CeLLjB1c=; b=nLyFzZjO/2GNhG8D zBvKMYpfb7EbRJYMkTbwejsQvcKOssFXmNai+dB0k9MPzKgtjlliPUJtmulRZ4u2 Arj78gfzasGeFDaP6Kxi+bq/2uHlPFw7UHrULpu+rfJIU49DDXoEm7ks4uY73ueE 6pAlhZ2K9XRKZg4Da/o4MyzX7/m4BX26af3WMCwFHrvitCufLWABvMeuBcMlSayF UMJzFpiVVWgJGi2MJrzaRDcbgA0S6u99o9XqTBxWZH+xszAyNV4IEiSRijk8S5K+ Ll8mCYX6sjglcxXfqfswFERabHgx4qrbufif1BuCsrtgig6BjrPk+aNFwx3qlKz7 zpuDiw== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3ys0nfancv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 17 Jun 2024 00:59:02 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA03.qualcomm.com (8.17.1.19/8.17.1.19) with ESMTPS id 45H0x1RR027026 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); 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 17:58:55 -0700 From: Gaurav Kashyap To: , , , , , , , , CC: , , , , , , , , , , , , , , , , , , Gaurav Kashyap Subject: [PATCH v5 10/15] ufs: host: wrapped keys support in ufs qcom Date: Sun, 16 Jun 2024 17:51:05 -0700 Message-ID: <20240617005825.1443206-11-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-scsi@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: DVGqQVOPhajQUVphC1C-8HECNrqS-Z0s X-Proofpoint-ORIG-GUID: DVGqQVOPhajQUVphC1C-8HECNrqS-Z0s 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 mlxscore=0 phishscore=0 adultscore=0 clxscore=1015 suspectscore=0 spamscore=0 priorityscore=1501 lowpriorityscore=0 mlxlogscore=999 impostorscore=0 bulkscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2406170006 Use the wrapped keys quirk when hwkm is supported/used. Whether to use HWKM or not would be decided during an ICE probe, and based on this information, UFS can decide to use wrapped keys or standard keys. Also, propagate the appropriate key size to the ICE driver when wrapped keys are used. Tested-by: Neil Armstrong Reviewed-by: Om Prakash Singh Signed-off-by: Gaurav Kashyap --- drivers/ufs/host/ufs-qcom.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 82584bb318fb..16f846f4a0c3 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -129,6 +129,8 @@ static int ufs_qcom_ice_init(struct ufs_qcom_host *host) host->ice = ice; hba->caps |= UFSHCD_CAP_CRYPTO; + if (qcom_ice_hwkm_supported(host->ice)) + hba->quirks |= UFSHCD_QUIRK_USES_WRAPPED_CRYPTO_KEYS; return 0; } @@ -166,7 +168,11 @@ static int ufs_qcom_ice_program_key(struct ufs_hba *hba, cap.key_size != UFS_CRYPTO_KEY_SIZE_256) return -EOPNOTSUPP; - ice_key_size = QCOM_ICE_CRYPTO_KEY_SIZE_256; + if (bkey->crypto_cfg.key_type == BLK_CRYPTO_KEY_TYPE_HW_WRAPPED) + ice_key_size = QCOM_ICE_CRYPTO_KEY_SIZE_WRAPPED; + else + ice_key_size = QCOM_ICE_CRYPTO_KEY_SIZE_256; + if (config_enable) return qcom_ice_program_key(host->ice, QCOM_ICE_CRYPTO_ALG_AES_XTS,