diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index 14d97d9fa719c..d9338387edd58 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -1914,11 +1914,6 @@ static int sdhci_msm_ice_init(struct sdhci_msm_host *msm_host, if (IS_ERR_OR_NULL(ice)) return PTR_ERR_OR_ZERO(ice); - if (qcom_ice_get_supported_key_type(ice) != BLK_CRYPTO_KEY_TYPE_RAW) { - dev_warn(dev, "Wrapped keys not supported. Disabling inline encryption support.\n"); - return 0; - } - msm_host->ice = ice; /* Initialize the blk_crypto_profile */ @@ -1932,7 +1927,7 @@ static int sdhci_msm_ice_init(struct sdhci_msm_host *msm_host, profile->ll_ops = sdhci_msm_crypto_ops; profile->max_dun_bytes_supported = 4; - profile->key_types_supported = BLK_CRYPTO_KEY_TYPE_RAW; + profile->key_types_supported = qcom_ice_get_supported_key_type(ice); profile->dev = dev; /* @@ -2013,9 +2008,49 @@ static int sdhci_msm_ice_keyslot_evict(struct blk_crypto_profile *profile, return qcom_ice_evict_key(msm_host->ice, slot); } +static int sdhci_msm_ice_derive_sw_secret(struct blk_crypto_profile *profile, + const u8 *eph_key, size_t eph_key_size, + u8 sw_secret[BLK_CRYPTO_SW_SECRET_SIZE]) +{ + struct sdhci_msm_host *msm_host = sdhci_msm_host_from_crypto_profile(profile); + + return qcom_ice_derive_sw_secret(msm_host->ice, eph_key, eph_key_size, + sw_secret); +} + +static int sdhci_msm_ice_import_key(struct blk_crypto_profile *profile, + const u8 *raw_key, size_t raw_key_size, + u8 lt_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE]) +{ + struct sdhci_msm_host *msm_host = sdhci_msm_host_from_crypto_profile(profile); + + return qcom_ice_import_key(msm_host->ice, raw_key, raw_key_size, lt_key); +} + +static int sdhci_msm_ice_generate_key(struct blk_crypto_profile *profile, + u8 lt_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE]) +{ + struct sdhci_msm_host *msm_host = sdhci_msm_host_from_crypto_profile(profile); + + return qcom_ice_generate_key(msm_host->ice, lt_key); +} + +static int sdhci_msm_ice_prepare_key(struct blk_crypto_profile *profile, + const u8 *lt_key, size_t lt_key_size, + u8 eph_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE]) +{ + struct sdhci_msm_host *msm_host = sdhci_msm_host_from_crypto_profile(profile); + + return qcom_ice_prepare_key(msm_host->ice, lt_key, lt_key_size, eph_key); +} + static const struct blk_crypto_ll_ops sdhci_msm_crypto_ops = { .keyslot_program = sdhci_msm_ice_keyslot_program, .keyslot_evict = sdhci_msm_ice_keyslot_evict, + .derive_sw_secret = sdhci_msm_ice_derive_sw_secret, + .import_key = sdhci_msm_ice_import_key, + .generate_key = sdhci_msm_ice_generate_key, + .prepare_key = sdhci_msm_ice_prepare_key, }; #else /* CONFIG_MMC_CRYPTO */