linux-kernel - [PATCH v2 2/3] mmc: cqhci: Add additional algo mode for inline encryption

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Message-ID: <20240916085741.1636554-3-quic_mdalam@quicinc.com>
Date: Mon, 16 Sep 2024 14:27:40 +0530
From: Md Sadre Alam <quic_mdalam@...cinc.com>
To: <axboe@...nel.dk>, <song@...nel.org>, <yukuai3@...wei.com>,
        <agk@...hat.com>, <snitzer@...nel.org>, <mpatocka@...hat.com>,
        <adrian.hunter@...el.com>, <quic_asutoshd@...cinc.com>,
        <ritesh.list@...il.com>, <ulf.hansson@...aro.org>,
        <andersson@...nel.org>, <konradybcio@...nel.org>, <kees@...nel.org>,
        <gustavoars@...nel.org>, <linux-block@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-raid@...r.kernel.org>,
        <dm-devel@...ts.linux.dev>, <linux-mmc@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-hardening@...r.kernel.org>
CC: <quic_srichara@...cinc.com>, <quic_varada@...cinc.com>,
        <quic_mdalam@...cinc.com>
Subject: [PATCH v2 2/3] mmc: cqhci: Add additional algo mode for inline encryption

Add support for AES-XTS-256, AES-CBC-128 and AES-CBC-256 in
cqhci_crypto_algs for inline encryption.

Signed-off-by: Md Sadre Alam <quic_mdalam@...cinc.com>
---

Change in [v2]

* No change

Change in [v1]

* Added alog mode AES-XTS-256, AES-CBC-128, AES-CBC-256 in 
  cqhci

 drivers/mmc/host/cqhci-crypto.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/mmc/host/cqhci-crypto.c b/drivers/mmc/host/cqhci-crypto.c
index d5f4b6972f63..85ab7bb87886 100644
--- a/drivers/mmc/host/cqhci-crypto.c
+++ b/drivers/mmc/host/cqhci-crypto.c
@@ -16,10 +16,22 @@ static const struct cqhci_crypto_alg_entry {
 	enum cqhci_crypto_alg alg;
 	enum cqhci_crypto_key_size key_size;
 } cqhci_crypto_algs[BLK_ENCRYPTION_MODE_MAX] = {
+	[BLK_ENCRYPTION_MODE_AES_128_XTS] = {
+		.alg = CQHCI_CRYPTO_ALG_AES_XTS,
+		.key_size = CQHCI_CRYPTO_KEY_SIZE_128,
+	},
 	[BLK_ENCRYPTION_MODE_AES_256_XTS] = {
 		.alg = CQHCI_CRYPTO_ALG_AES_XTS,
 		.key_size = CQHCI_CRYPTO_KEY_SIZE_256,
 	},
+	[BLK_ENCRYPTION_MODE_AES_128_CBC] = {
+		.alg = CQHCI_CRYPTO_ALG_BITLOCKER_AES_CBC,
+		.key_size = CQHCI_CRYPTO_KEY_SIZE_128,
+	},
+	[BLK_ENCRYPTION_MODE_AES_256_CBC] = {
+		.alg = CQHCI_CRYPTO_ALG_BITLOCKER_AES_CBC,
+		.key_size = CQHCI_CRYPTO_KEY_SIZE_256,
+	},
 };
 
 static inline struct cqhci_host *
-- 
2.34.1