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Wed, 10 Jan 2024 23:12:32 +0300 From: Alexey Romanov To: , , , , , , , , , , CC: , , , , , , Jan Dakinevich , Alexey Romanov Subject: [PATCH v1 08/24] drivers: crypto: meson: cleanup defines Date: Wed, 10 Jan 2024 23:11:24 +0300 Message-ID: <20240110201216.18016-9-avromanov@salutedevices.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240110201216.18016-1-avromanov@salutedevices.com> References: <20240110201216.18016-1-avromanov@salutedevices.com> MIME-Version: 1.0 X-Originating-IP: [100.64.160.123] X-ClientProxiedBy: p-i-exch-sc-m02.sberdevices.ru (172.16.192.103) To p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 182544 [Jan 10 2024] X-KSMG-AntiSpam-Version: 6.1.0.3 X-KSMG-AntiSpam-Envelope-From: avromanov@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 7 0.3.7 6d6bf5bd8eea7373134f756a2fd73e9456bb7d1a, {Tracking_from_domain_doesnt_match_to}, 100.64.160.123:7.1.2;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;salutedevices.com:7.1.1;127.0.0.199:7.1.2;smtp.sberdevices.ru:5.0.1,7.1.1, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2024/01/10 17:01:00 #23071477 X-KSMG-AntiVirus-Status: Clean, skipped X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240110_121235_156985_4A7F6388 X-CRM114-Status: GOOD ( 15.43 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Jan Dakinevich It is bad to use hardcoded values directly in the code. Signed-off-by: Jan Dakinevich Signed-off-by: Alexey Romanov --- drivers/crypto/amlogic/amlogic-gxl-cipher.c | 24 ++++++++++----------- drivers/crypto/amlogic/amlogic-gxl.h | 16 ++++++++------ 2 files changed, 21 insertions(+), 19 deletions(-) diff --git a/drivers/crypto/amlogic/amlogic-gxl-cipher.c b/drivers/crypto/amlogic/amlogic-gxl-cipher.c index d2f39bd97486..389f6aea7c25 100644 --- a/drivers/crypto/amlogic/amlogic-gxl-cipher.c +++ b/drivers/crypto/amlogic/amlogic-gxl-cipher.c @@ -141,8 +141,8 @@ static int meson_cipher(struct skcipher_request *areq) ivsize, 0); } } - if (keyivlen == 24) - keyivlen = 32; + if (keyivlen == AES_KEYSIZE_192) + keyivlen = AES_MAX_KEY_SIZE; phykeyiv = dma_map_single(mc->dev, bkeyiv, keyivlen, DMA_TO_DEVICE); @@ -161,7 +161,7 @@ static int meson_cipher(struct skcipher_request *areq) todo = min(keyivlen - eat, 16u); desc->t_src = cpu_to_le32(phykeyiv + i * 16); desc->t_dst = cpu_to_le32(i * 16); - v = (MODE_KEY << 20) | DESC_OWN | 16; + v = DESC_MODE_KEY | DESC_OWN | 16; desc->t_status = cpu_to_le32(v); eat += todo; @@ -205,7 +205,7 @@ static int meson_cipher(struct skcipher_request *areq) desc->t_src = cpu_to_le32(sg_dma_address(src_sg)); desc->t_dst = cpu_to_le32(sg_dma_address(dst_sg)); todo = min(len, sg_dma_len(src_sg)); - v = (op->keymode << 20) | DESC_OWN | todo | (algt->blockmode << 26); + v = op->keymode | DESC_OWN | todo | algt->blockmode; if (rctx->op_dir) v |= DESC_ENCRYPTION; len -= todo; @@ -353,14 +353,14 @@ static int meson_aes_setkey(struct crypto_skcipher *tfm, const u8 *key, struct meson_dev *mc = op->mc; switch (keylen) { - case 128 / 8: - op->keymode = MODE_AES_128; + case AES_KEYSIZE_128: + op->keymode = DESC_MODE_AES_128; break; - case 192 / 8: - op->keymode = MODE_AES_192; + case AES_KEYSIZE_192: + op->keymode = DESC_MODE_AES_192; break; - case 256 / 8: - op->keymode = MODE_AES_256; + case AES_KEYSIZE_256: + op->keymode = DESC_MODE_AES_256; break; default: dev_dbg(mc->dev, "ERROR: Invalid keylen %u\n", keylen); @@ -378,7 +378,7 @@ static int meson_aes_setkey(struct crypto_skcipher *tfm, const u8 *key, static struct meson_alg_template algs[] = { { .type = CRYPTO_ALG_TYPE_SKCIPHER, - .blockmode = MESON_OPMODE_CBC, + .blockmode = DESC_OPMODE_CBC, .alg.skcipher = { .base = { .cra_name = "cbc(aes)", @@ -404,7 +404,7 @@ static struct meson_alg_template algs[] = { }, { .type = CRYPTO_ALG_TYPE_SKCIPHER, - .blockmode = MESON_OPMODE_ECB, + .blockmode = DESC_OPMODE_ECB, .alg.skcipher = { .base = { .cra_name = "ecb(aes)", diff --git a/drivers/crypto/amlogic/amlogic-gxl.h b/drivers/crypto/amlogic/amlogic-gxl.h index 1e6ec5790750..8e28adc57d39 100644 --- a/drivers/crypto/amlogic/amlogic-gxl.h +++ b/drivers/crypto/amlogic/amlogic-gxl.h @@ -11,19 +11,21 @@ #include #include -#define MODE_KEY 1 -#define MODE_AES_128 0x8 -#define MODE_AES_192 0x9 -#define MODE_AES_256 0xa - #define MESON_DECRYPT 0 #define MESON_ENCRYPT 1 -#define MESON_OPMODE_ECB 0 -#define MESON_OPMODE_CBC 1 +#define DESC_MODE_KEY (0x1 << 20) +#define DESC_MODE_AES_128 (0x8 << 20) +#define DESC_MODE_AES_192 (0x9 << 20) +#define DESC_MODE_AES_256 (0xa << 20) #define MAXDESC 64 +#define DESC_OPMODE_ECB (0 << 26) +#define DESC_OPMODE_CBC (1 << 26) + +#define DESC_MAXLEN ((1 << 17) - 1) + #define DESC_LAST BIT(18) #define DESC_ENCRYPTION BIT(28) #define DESC_OWN BIT(31)