Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/crypto/rockchip/Makefile b/drivers/crypto/rockchip/Makefile
index 30f9129..6e23764 100644
--- a/drivers/crypto/rockchip/Makefile
+++ b/drivers/crypto/rockchip/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_CRYPTO_DEV_ROCKCHIP) += rk_crypto.o
rk_crypto-objs := rk3288_crypto.o \
rk3288_crypto_ablkcipher.o \
diff --git a/drivers/crypto/rockchip/rk3288_crypto.c b/drivers/crypto/rockchip/rk3288_crypto.c
index c9d622a..e5714ef 100644
--- a/drivers/crypto/rockchip/rk3288_crypto.c
+++ b/drivers/crypto/rockchip/rk3288_crypto.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Crypto acceleration support for Rockchip RK3288
*
@@ -5,10 +6,6 @@
*
* Author: Zain Wang <zain.wang@rock-chips.com>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
* Some ideas are from marvell-cesa.c and s5p-sss.c driver.
*/
@@ -119,7 +116,7 @@
count = (dev->left_bytes > PAGE_SIZE) ?
PAGE_SIZE : dev->left_bytes;
- if (!sg_pcopy_to_buffer(dev->first, dev->nents,
+ if (!sg_pcopy_to_buffer(dev->first, dev->src_nents,
dev->addr_vir, count,
dev->total - dev->left_bytes)) {
dev_err(dev->dev, "[%s:%d] pcopy err\n",
@@ -314,7 +311,6 @@
static int rk_crypto_probe(struct platform_device *pdev)
{
- struct resource *res;
struct device *dev = &pdev->dev;
struct rk_crypto_info *crypto_info;
int err = 0;
@@ -342,8 +338,7 @@
spin_lock_init(&crypto_info->lock);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- crypto_info->reg = devm_ioremap_resource(&pdev->dev, res);
+ crypto_info->reg = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(crypto_info->reg)) {
err = PTR_ERR(crypto_info->reg);
goto err_crypto;
diff --git a/drivers/crypto/rockchip/rk3288_crypto.h b/drivers/crypto/rockchip/rk3288_crypto.h
index d5fb401..18e2b3f 100644
--- a/drivers/crypto/rockchip/rk3288_crypto.h
+++ b/drivers/crypto/rockchip/rk3288_crypto.h
@@ -3,7 +3,7 @@
#define __RK3288_CRYPTO_H__
#include <crypto/aes.h>
-#include <crypto/des.h>
+#include <crypto/internal/des.h>
#include <crypto/algapi.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
@@ -207,7 +207,8 @@
void *addr_vir;
int aligned;
int align_size;
- size_t nents;
+ size_t src_nents;
+ size_t dst_nents;
unsigned int total;
unsigned int count;
dma_addr_t addr_in;
@@ -244,6 +245,7 @@
struct rk_crypto_info *dev;
unsigned int keylen;
u32 mode;
+ u8 iv[AES_BLOCK_SIZE];
};
enum alg_type {
diff --git a/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c b/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c
index 639c15c..d0f4b2d 100644
--- a/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c
+++ b/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Crypto acceleration support for Rockchip RK3288
*
@@ -5,10 +6,6 @@
*
* Author: Zain Wang <zain.wang@rock-chips.com>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
* Some ideas are from marvell-cesa.c and s5p-sss.c driver.
*/
#include "rk3288_crypto.h"
@@ -46,25 +43,30 @@
return 0;
}
+static int rk_des_setkey(struct crypto_ablkcipher *cipher,
+ const u8 *key, unsigned int keylen)
+{
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(cipher);
+ int err;
+
+ err = verify_ablkcipher_des_key(cipher, key);
+ if (err)
+ return err;
+
+ ctx->keylen = keylen;
+ memcpy_toio(ctx->dev->reg + RK_CRYPTO_TDES_KEY1_0, key, keylen);
+ return 0;
+}
+
static int rk_tdes_setkey(struct crypto_ablkcipher *cipher,
const u8 *key, unsigned int keylen)
{
- struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
- struct rk_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
- u32 tmp[DES_EXPKEY_WORDS];
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(cipher);
+ int err;
- if (keylen != DES_KEY_SIZE && keylen != DES3_EDE_KEY_SIZE) {
- crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
- return -EINVAL;
- }
-
- if (keylen == DES_KEY_SIZE) {
- if (!des_ekey(tmp, key) &&
- (tfm->crt_flags & CRYPTO_TFM_REQ_WEAK_KEY)) {
- tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY;
- return -EINVAL;
- }
- }
+ err = verify_ablkcipher_des3_key(cipher, key);
+ if (err)
+ return err;
ctx->keylen = keylen;
memcpy_toio(ctx->dev->reg + RK_CRYPTO_TDES_KEY1_0, key, keylen);
@@ -242,6 +244,22 @@
static int rk_set_data_start(struct rk_crypto_info *dev)
{
int err;
+ struct ablkcipher_request *req =
+ ablkcipher_request_cast(dev->async_req);
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ u32 ivsize = crypto_ablkcipher_ivsize(tfm);
+ u8 *src_last_blk = page_address(sg_page(dev->sg_src)) +
+ dev->sg_src->offset + dev->sg_src->length - ivsize;
+
+ /* Store the iv that need to be updated in chain mode.
+ * And update the IV buffer to contain the next IV for decryption mode.
+ */
+ if (ctx->mode & RK_CRYPTO_DEC) {
+ memcpy(ctx->iv, src_last_blk, ivsize);
+ sg_pcopy_to_buffer(dev->first, dev->src_nents, req->info,
+ ivsize, dev->total - ivsize);
+ }
err = dev->load_data(dev, dev->sg_src, dev->sg_dst);
if (!err)
@@ -260,8 +278,9 @@
dev->total = req->nbytes;
dev->sg_src = req->src;
dev->first = req->src;
- dev->nents = sg_nents(req->src);
+ dev->src_nents = sg_nents(req->src);
dev->sg_dst = req->dst;
+ dev->dst_nents = sg_nents(req->dst);
dev->aligned = 1;
spin_lock_irqsave(&dev->lock, flags);
@@ -276,13 +295,41 @@
struct ablkcipher_request *req =
ablkcipher_request_cast(dev->async_req);
struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
u32 ivsize = crypto_ablkcipher_ivsize(tfm);
+ /* Update the IV buffer to contain the next IV for encryption mode. */
+ if (!(ctx->mode & RK_CRYPTO_DEC)) {
+ if (dev->aligned) {
+ memcpy(req->info, sg_virt(dev->sg_dst) +
+ dev->sg_dst->length - ivsize, ivsize);
+ } else {
+ memcpy(req->info, dev->addr_vir +
+ dev->count - ivsize, ivsize);
+ }
+ }
+}
+
+static void rk_update_iv(struct rk_crypto_info *dev)
+{
+ struct ablkcipher_request *req =
+ ablkcipher_request_cast(dev->async_req);
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ u32 ivsize = crypto_ablkcipher_ivsize(tfm);
+ u8 *new_iv = NULL;
+
+ if (ctx->mode & RK_CRYPTO_DEC) {
+ new_iv = ctx->iv;
+ } else {
+ new_iv = page_address(sg_page(dev->sg_dst)) +
+ dev->sg_dst->offset + dev->sg_dst->length - ivsize;
+ }
+
if (ivsize == DES_BLOCK_SIZE)
- memcpy_fromio(req->info, dev->reg + RK_CRYPTO_TDES_IV_0,
- ivsize);
+ memcpy_toio(dev->reg + RK_CRYPTO_TDES_IV_0, new_iv, ivsize);
else if (ivsize == AES_BLOCK_SIZE)
- memcpy_fromio(req->info, dev->reg + RK_CRYPTO_AES_IV_0, ivsize);
+ memcpy_toio(dev->reg + RK_CRYPTO_AES_IV_0, new_iv, ivsize);
}
/* return:
@@ -297,7 +344,7 @@
dev->unload_data(dev);
if (!dev->aligned) {
- if (!sg_pcopy_from_buffer(req->dst, dev->nents,
+ if (!sg_pcopy_from_buffer(req->dst, dev->dst_nents,
dev->addr_vir, dev->count,
dev->total - dev->left_bytes -
dev->count)) {
@@ -306,6 +353,7 @@
}
}
if (dev->left_bytes) {
+ rk_update_iv(dev);
if (dev->aligned) {
if (sg_is_last(dev->sg_src)) {
dev_err(dev->dev, "[%s:%d] Lack of data\n",
@@ -422,7 +470,7 @@
.cra_u.ablkcipher = {
.min_keysize = DES_KEY_SIZE,
.max_keysize = DES_KEY_SIZE,
- .setkey = rk_tdes_setkey,
+ .setkey = rk_des_setkey,
.encrypt = rk_des_ecb_encrypt,
.decrypt = rk_des_ecb_decrypt,
}
@@ -448,7 +496,7 @@
.min_keysize = DES_KEY_SIZE,
.max_keysize = DES_KEY_SIZE,
.ivsize = DES_BLOCK_SIZE,
- .setkey = rk_tdes_setkey,
+ .setkey = rk_des_setkey,
.encrypt = rk_des_cbc_encrypt,
.decrypt = rk_des_cbc_decrypt,
}
diff --git a/drivers/crypto/rockchip/rk3288_crypto_ahash.c b/drivers/crypto/rockchip/rk3288_crypto_ahash.c
index 821a506..6b7ecbe 100644
--- a/drivers/crypto/rockchip/rk3288_crypto_ahash.c
+++ b/drivers/crypto/rockchip/rk3288_crypto_ahash.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Crypto acceleration support for Rockchip RK3288
*
@@ -5,10 +6,6 @@
*
* Author: Zain Wang <zain.wang@rock-chips.com>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
* Some ideas are from marvell/cesa.c and s5p-sss.c driver.
*/
#include "rk3288_crypto.h"
@@ -206,7 +203,7 @@
dev->sg_dst = NULL;
dev->sg_src = req->src;
dev->first = req->src;
- dev->nents = sg_nents(req->src);
+ dev->src_nents = sg_nents(req->src);
rctx = ahash_request_ctx(req);
rctx->mode = 0;