Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/crypto/mediatek/Makefile b/drivers/crypto/mediatek/Makefile
index 187be79..196a465 100644
--- a/drivers/crypto/mediatek/Makefile
+++ b/drivers/crypto/mediatek/Makefile
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_CRYPTO_DEV_MEDIATEK) += mtk-crypto.o
mtk-crypto-objs:= mtk-platform.o mtk-aes.o mtk-sha.o
diff --git a/drivers/crypto/mediatek/mtk-aes.c b/drivers/crypto/mediatek/mtk-aes.c
index c2058cf..90c9644 100644
--- a/drivers/crypto/mediatek/mtk-aes.c
+++ b/drivers/crypto/mediatek/mtk-aes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Cryptographic API.
*
@@ -5,10 +6,6 @@
*
* Copyright (c) 2016 Ryder Lee <ryder.lee@mediatek.com>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* Some ideas are from atmel-aes.c drivers.
*/
@@ -26,7 +23,7 @@
#define AES_CT_CTRL_HDR cpu_to_le32(0x00220000)
-/* AES-CBC/ECB/CTR command token */
+/* AES-CBC/ECB/CTR/OFB/CFB command token */
#define AES_CMD0 cpu_to_le32(0x05000000)
#define AES_CMD1 cpu_to_le32(0x2d060000)
#define AES_CMD2 cpu_to_le32(0xe4a63806)
@@ -53,6 +50,8 @@
/* AES transform information word 1 fields */
#define AES_TFM_ECB cpu_to_le32(0x0 << 0)
#define AES_TFM_CBC cpu_to_le32(0x1 << 0)
+#define AES_TFM_OFB cpu_to_le32(0x4 << 0)
+#define AES_TFM_CFB128 cpu_to_le32(0x5 << 0)
#define AES_TFM_CTR_INIT cpu_to_le32(0x2 << 0) /* init counter to 1 */
#define AES_TFM_CTR_LOAD cpu_to_le32(0x6 << 0) /* load/reuse counter */
#define AES_TFM_3IV cpu_to_le32(0x7 << 5) /* using IV 0-2 */
@@ -61,13 +60,15 @@
#define AES_TFM_ENC_HASH cpu_to_le32(0x1 << 17)
/* AES flags */
-#define AES_FLAGS_CIPHER_MSK GENMASK(2, 0)
+#define AES_FLAGS_CIPHER_MSK GENMASK(4, 0)
#define AES_FLAGS_ECB BIT(0)
#define AES_FLAGS_CBC BIT(1)
#define AES_FLAGS_CTR BIT(2)
-#define AES_FLAGS_GCM BIT(3)
-#define AES_FLAGS_ENCRYPT BIT(4)
-#define AES_FLAGS_BUSY BIT(5)
+#define AES_FLAGS_OFB BIT(3)
+#define AES_FLAGS_CFB128 BIT(4)
+#define AES_FLAGS_GCM BIT(5)
+#define AES_FLAGS_ENCRYPT BIT(6)
+#define AES_FLAGS_BUSY BIT(7)
#define AES_AUTH_TAG_ERR cpu_to_le32(BIT(26))
@@ -104,6 +105,7 @@
struct mtk_aes_base_ctx {
struct mtk_cryp *cryp;
u32 keylen;
+ __le32 key[12];
__le32 keymode;
mtk_aes_fn start;
@@ -408,7 +410,7 @@
return mtk_aes_complete(cryp, aes, -EINVAL);
}
-/* Initialize transform information of CBC/ECB/CTR mode */
+/* Initialize transform information of CBC/ECB/CTR/OFB/CFB mode */
static void mtk_aes_info_init(struct mtk_cryp *cryp, struct mtk_aes_rec *aes,
size_t len)
{
@@ -437,7 +439,12 @@
case AES_FLAGS_CTR:
info->tfm[1] = AES_TFM_CTR_LOAD;
goto ctr;
-
+ case AES_FLAGS_OFB:
+ info->tfm[1] = AES_TFM_OFB;
+ break;
+ case AES_FLAGS_CFB128:
+ info->tfm[1] = AES_TFM_CFB128;
+ break;
default:
/* Should not happen... */
return;
@@ -528,6 +535,8 @@
backlog->complete(backlog, -EINPROGRESS);
ctx = crypto_tfm_ctx(areq->tfm);
+ /* Write key into state buffer */
+ memcpy(ctx->info.state, ctx->key, sizeof(ctx->key));
aes->areq = areq;
aes->ctx = ctx;
@@ -647,21 +656,26 @@
}
ctx->keylen = SIZE_IN_WORDS(keylen);
- mtk_aes_write_state_le(ctx->info.state, (const u32 *)key, keylen);
+ mtk_aes_write_state_le(ctx->key, (const u32 *)key, keylen);
return 0;
}
static int mtk_aes_crypt(struct ablkcipher_request *req, u64 mode)
{
- struct mtk_aes_base_ctx *ctx;
+ struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
+ struct mtk_aes_base_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher);
struct mtk_aes_reqctx *rctx;
+ struct mtk_cryp *cryp;
- ctx = crypto_ablkcipher_ctx(crypto_ablkcipher_reqtfm(req));
+ cryp = mtk_aes_find_dev(ctx);
+ if (!cryp)
+ return -ENODEV;
+
rctx = ablkcipher_request_ctx(req);
rctx->mode = mode;
- return mtk_aes_handle_queue(ctx->cryp, !(mode & AES_FLAGS_ENCRYPT),
+ return mtk_aes_handle_queue(cryp, !(mode & AES_FLAGS_ENCRYPT),
&req->base);
}
@@ -695,16 +709,29 @@
return mtk_aes_crypt(req, AES_FLAGS_CTR);
}
+static int mtk_aes_ofb_encrypt(struct ablkcipher_request *req)
+{
+ return mtk_aes_crypt(req, AES_FLAGS_ENCRYPT | AES_FLAGS_OFB);
+}
+
+static int mtk_aes_ofb_decrypt(struct ablkcipher_request *req)
+{
+ return mtk_aes_crypt(req, AES_FLAGS_OFB);
+}
+
+static int mtk_aes_cfb_encrypt(struct ablkcipher_request *req)
+{
+ return mtk_aes_crypt(req, AES_FLAGS_ENCRYPT | AES_FLAGS_CFB128);
+}
+
+static int mtk_aes_cfb_decrypt(struct ablkcipher_request *req)
+{
+ return mtk_aes_crypt(req, AES_FLAGS_CFB128);
+}
+
static int mtk_aes_cra_init(struct crypto_tfm *tfm)
{
struct mtk_aes_ctx *ctx = crypto_tfm_ctx(tfm);
- struct mtk_cryp *cryp = NULL;
-
- cryp = mtk_aes_find_dev(&ctx->base);
- if (!cryp) {
- pr_err("can't find crypto device\n");
- return -ENODEV;
- }
tfm->crt_ablkcipher.reqsize = sizeof(struct mtk_aes_reqctx);
ctx->base.start = mtk_aes_start;
@@ -714,13 +741,6 @@
static int mtk_aes_ctr_cra_init(struct crypto_tfm *tfm)
{
struct mtk_aes_ctx *ctx = crypto_tfm_ctx(tfm);
- struct mtk_cryp *cryp = NULL;
-
- cryp = mtk_aes_find_dev(&ctx->base);
- if (!cryp) {
- pr_err("can't find crypto device\n");
- return -ENODEV;
- }
tfm->crt_ablkcipher.reqsize = sizeof(struct mtk_aes_reqctx);
ctx->base.start = mtk_aes_ctr_start;
@@ -790,6 +810,48 @@
.decrypt = mtk_aes_ctr_decrypt,
}
},
+{
+ .cra_name = "ofb(aes)",
+ .cra_driver_name = "ofb-aes-mtk",
+ .cra_priority = 400,
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+ CRYPTO_ALG_ASYNC,
+ .cra_init = mtk_aes_cra_init,
+ .cra_blocksize = 1,
+ .cra_ctxsize = sizeof(struct mtk_aes_ctx),
+ .cra_alignmask = 0xf,
+ .cra_type = &crypto_ablkcipher_type,
+ .cra_module = THIS_MODULE,
+ .cra_u.ablkcipher = {
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .setkey = mtk_aes_setkey,
+ .encrypt = mtk_aes_ofb_encrypt,
+ .decrypt = mtk_aes_ofb_decrypt,
+ }
+},
+{
+ .cra_name = "cfb(aes)",
+ .cra_driver_name = "cfb-aes-mtk",
+ .cra_priority = 400,
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+ CRYPTO_ALG_ASYNC,
+ .cra_init = mtk_aes_cra_init,
+ .cra_blocksize = 1,
+ .cra_ctxsize = sizeof(struct mtk_aes_ctx),
+ .cra_alignmask = 0xf,
+ .cra_type = &crypto_ablkcipher_type,
+ .cra_module = THIS_MODULE,
+ .cra_u.ablkcipher = {
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .setkey = mtk_aes_setkey,
+ .encrypt = mtk_aes_cfb_encrypt,
+ .decrypt = mtk_aes_cfb_decrypt,
+ }
+},
};
static inline struct mtk_aes_gcm_ctx *
@@ -908,14 +970,11 @@
aes->resume = mtk_aes_transfer_complete;
/* Compute total process length. */
aes->total = len + gctx->authsize;
- /* Compute text length. */
- gctx->textlen = req->cryptlen;
/* Hardware will append authenticated tag to output buffer */
scatterwalk_map_and_copy(tag, req->dst, len, gctx->authsize, 1);
} else {
aes->resume = mtk_aes_gcm_tag_verify;
aes->total = len;
- gctx->textlen = req->cryptlen - gctx->authsize;
}
return mtk_aes_gcm_dma(cryp, aes, req->src, req->dst, len);
@@ -926,6 +985,15 @@
struct mtk_aes_base_ctx *ctx = crypto_aead_ctx(crypto_aead_reqtfm(req));
struct mtk_aes_gcm_ctx *gctx = mtk_aes_gcm_ctx_cast(ctx);
struct mtk_aes_reqctx *rctx = aead_request_ctx(req);
+ struct mtk_cryp *cryp;
+ bool enc = !!(mode & AES_FLAGS_ENCRYPT);
+
+ cryp = mtk_aes_find_dev(ctx);
+ if (!cryp)
+ return -ENODEV;
+
+ /* Compute text length. */
+ gctx->textlen = req->cryptlen - (enc ? 0 : gctx->authsize);
/* Empty messages are not supported yet */
if (!gctx->textlen && !req->assoclen)
@@ -933,8 +1001,7 @@
rctx->mode = AES_FLAGS_GCM | mode;
- return mtk_aes_handle_queue(ctx->cryp, !!(mode & AES_FLAGS_ENCRYPT),
- &req->base);
+ return mtk_aes_handle_queue(cryp, enc, &req->base);
}
/*
@@ -1006,10 +1073,8 @@
if (err)
goto out;
- /* Write key into state buffer */
- mtk_aes_write_state_le(ctx->info.state, (const u32 *)key, keylen);
- /* Write key(H) into state buffer */
- mtk_aes_write_state_be(ctx->info.state + ctx->keylen, data->hash,
+ mtk_aes_write_state_le(ctx->key, (const u32 *)key, keylen);
+ mtk_aes_write_state_be(ctx->key + ctx->keylen, data->hash,
AES_BLOCK_SIZE);
out:
kzfree(data);
@@ -1049,13 +1114,6 @@
static int mtk_aes_gcm_init(struct crypto_aead *aead)
{
struct mtk_aes_gcm_ctx *ctx = crypto_aead_ctx(aead);
- struct mtk_cryp *cryp = NULL;
-
- cryp = mtk_aes_find_dev(&ctx->base);
- if (!cryp) {
- pr_err("can't find crypto device\n");
- return -ENODEV;
- }
ctx->ctr = crypto_alloc_skcipher("ctr(aes)", 0,
CRYPTO_ALG_ASYNC);
diff --git a/drivers/crypto/mediatek/mtk-platform.c b/drivers/crypto/mediatek/mtk-platform.c
index ee0404e..7e3ad08 100644
--- a/drivers/crypto/mediatek/mtk-platform.c
+++ b/drivers/crypto/mediatek/mtk-platform.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Driver for EIP97 cryptographic accelerator.
*
* Copyright (c) 2016 Ryder Lee <ryder.lee@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/clk.h>
@@ -453,17 +449,17 @@
if (!ring[i])
goto err_cleanup;
- ring[i]->cmd_base = dma_zalloc_coherent(cryp->dev,
- MTK_DESC_RING_SZ,
- &ring[i]->cmd_dma,
- GFP_KERNEL);
+ ring[i]->cmd_base = dma_alloc_coherent(cryp->dev,
+ MTK_DESC_RING_SZ,
+ &ring[i]->cmd_dma,
+ GFP_KERNEL);
if (!ring[i]->cmd_base)
goto err_cleanup;
- ring[i]->res_base = dma_zalloc_coherent(cryp->dev,
- MTK_DESC_RING_SZ,
- &ring[i]->res_dma,
- GFP_KERNEL);
+ ring[i]->res_base = dma_alloc_coherent(cryp->dev,
+ MTK_DESC_RING_SZ,
+ &ring[i]->res_dma,
+ GFP_KERNEL);
if (!ring[i]->res_base)
goto err_cleanup;
@@ -485,7 +481,6 @@
static int mtk_crypto_probe(struct platform_device *pdev)
{
- struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
struct mtk_cryp *cryp;
int i, err;
@@ -493,16 +488,14 @@
if (!cryp)
return -ENOMEM;
- cryp->base = devm_ioremap_resource(&pdev->dev, res);
+ cryp->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(cryp->base))
return PTR_ERR(cryp->base);
for (i = 0; i < MTK_IRQ_NUM; i++) {
cryp->irq[i] = platform_get_irq(pdev, i);
- if (cryp->irq[i] < 0) {
- dev_err(cryp->dev, "no IRQ:%d resource info\n", i);
+ if (cryp->irq[i] < 0)
return cryp->irq[i];
- }
}
cryp->clk_cryp = devm_clk_get(&pdev->dev, "cryp");
diff --git a/drivers/crypto/mediatek/mtk-platform.h b/drivers/crypto/mediatek/mtk-platform.h
index f0831f1..47920c5 100644
--- a/drivers/crypto/mediatek/mtk-platform.h
+++ b/drivers/crypto/mediatek/mtk-platform.h
@@ -1,12 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Driver for EIP97 cryptographic accelerator.
*
* Copyright (c) 2016 Ryder Lee <ryder.lee@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#ifndef __MTK_PLATFORM_H_
diff --git a/drivers/crypto/mediatek/mtk-regs.h b/drivers/crypto/mediatek/mtk-regs.h
index 94f4eb8..d3defda 100644
--- a/drivers/crypto/mediatek/mtk-regs.h
+++ b/drivers/crypto/mediatek/mtk-regs.h
@@ -1,13 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Support for MediaTek cryptographic accelerator.
*
* Copyright (c) 2016 MediaTek Inc.
* Author: Ryder Lee <ryder.lee@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License.
- *
*/
#ifndef __MTK_REGS_H__
diff --git a/drivers/crypto/mediatek/mtk-sha.c b/drivers/crypto/mediatek/mtk-sha.c
index 5f4f845..9e9f48b 100644
--- a/drivers/crypto/mediatek/mtk-sha.c
+++ b/drivers/crypto/mediatek/mtk-sha.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Cryptographic API.
*
@@ -5,10 +6,6 @@
*
* Copyright (c) 2016 Ryder Lee <ryder.lee@mediatek.com>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* Some ideas are from atmel-sha.c and omap-sham.c drivers.
*/
@@ -365,7 +362,6 @@
SHASH_DESC_ON_STACK(shash, bctx->shash);
shash->tfm = bctx->shash;
- shash->flags = 0; /* not CRYPTO_TFM_REQ_MAY_SLEEP */
return crypto_shash_init(shash) ?:
crypto_shash_update(shash, bctx->opad, ctx->bs) ?:
@@ -782,7 +778,9 @@
ctx->flags |= SHA_FLAGS_FINUP;
err1 = mtk_sha_update(req);
- if (err1 == -EINPROGRESS || err1 == -EBUSY)
+ if (err1 == -EINPROGRESS ||
+ (err1 == -EBUSY && (ahash_request_flags(req) &
+ CRYPTO_TFM_REQ_MAY_BACKLOG)))
return err1;
/*
* final() has to be always called to cleanup resources
@@ -810,8 +808,6 @@
SHASH_DESC_ON_STACK(shash, bctx->shash);
shash->tfm = bctx->shash;
- shash->flags = crypto_shash_get_flags(bctx->shash) &
- CRYPTO_TFM_REQ_MAY_SLEEP;
if (keylen > bs) {
err = crypto_shash_digest(shash, key, keylen, bctx->ipad);