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charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20241011-wrapped-keys-v7-15-e3f7a752059b@linaro.org> References: <20241011-wrapped-keys-v7-0-e3f7a752059b@linaro.org> In-Reply-To: <20241011-wrapped-keys-v7-0-e3f7a752059b@linaro.org> To: Jens Axboe <axboe@kernel.dk>, Jonathan Corbet <corbet@lwn.net>, Alasdair Kergon <agk@redhat.com>, Mike Snitzer <snitzer@kernel.org>, Mikulas Patocka <mpatocka@redhat.com>, Adrian Hunter <adrian.hunter@intel.com>, Asutosh Das <quic_asutoshd@quicinc.com>, Ritesh Harjani <ritesh.list@gmail.com>, Ulf Hansson <ulf.hansson@linaro.org>, Alim Akhtar <alim.akhtar@samsung.com>, Avri Altman <avri.altman@wdc.com>, Bart Van Assche <bvanassche@acm.org>, "James E.J. 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Series |
Hardware wrapped key support for QCom ICE and UFS core
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expand
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diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 2f317a4c3edf..880df3a8955a 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->caps |= UFSHCD_CAP_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,