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Fri, 01 Nov 2024 03:15:41 +0000 Received: from APBLRPPMTA02.qualcomm.com (APBLRPPMTA02.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 4A13FeTo010586; Fri, 1 Nov 2024 03:15:40 GMT Received: from hu-maiyas-hyd.qualcomm.com (hu-spuppala-hyd.qualcomm.com [10.213.108.54]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTP id 4A13FeFL010583; Fri, 01 Nov 2024 03:15:40 +0000 Received: by hu-maiyas-hyd.qualcomm.com (Postfix, from userid 4137148) id 842BC500921; Fri, 1 Nov 2024 08:45:39 +0530 (+0530) From: Seshu Madhavi Puppala To: Adrian Hunter , Asutosh Das , Ulf Hansson Cc: Ritesh Harjani , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, quic_gaurkash@quicinc.com, quic_neersoni@quicinc.com, quic_spuppala@quicinc.com Subject: [PATCH RFC 4/6] mmc: host: wrapped keys support in mmc qcom Date: Fri, 1 Nov 2024 08:45:37 +0530 Message-Id: <20241101031539.13285-5-quic_spuppala@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20241101031539.13285-1-quic_spuppala@quicinc.com> References: <20241101031539.13285-1-quic_spuppala@quicinc.com> X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: voRrEGtRlKVC3TQeXO4L1metYcSjAK2D X-Proofpoint-GUID: voRrEGtRlKVC3TQeXO4L1metYcSjAK2D X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 spamscore=0 phishscore=0 malwarescore=0 clxscore=1011 priorityscore=1501 mlxlogscore=999 suspectscore=0 lowpriorityscore=0 bulkscore=0 adultscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411010022 Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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, MMC can decide to use wrapped keys or standard keys. Also, propagate the appropriate key size to the ICE driver when wrapped keys are used. Signed-off-by: Seshu Madhavi Puppala --- drivers/mmc/host/sdhci-msm.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index 0f2ce93f85cc..f031a4dbc719 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -1834,6 +1834,9 @@ static int sdhci_msm_ice_init(struct sdhci_msm_host *msm_host, msm_host->ice = ice; mmc->caps2 |= MMC_CAP2_CRYPTO; + if (qcom_ice_hwkm_supported(msm_host->ice)) + cq_host->quirks |= CQHCI_QUIRK_USES_WRAPPED_CRYPTO_KEYS; + return 0; } @@ -1880,7 +1883,11 @@ static int sdhci_msm_program_key(struct cqhci_host *cq_host, cap.key_size != CQHCI_CRYPTO_KEY_SIZE_256) return -EINVAL; - 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 (cfg->config_enable & CQHCI_CRYPTO_CONFIGURATION_ENABLE) return qcom_ice_program_key(msm_host->ice, QCOM_ICE_CRYPTO_ALG_AES_XTS,