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path: root/drivers/crypto/ccp/ccp-crypto-des3.c
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Diffstat (limited to 'drivers/crypto/ccp/ccp-crypto-des3.c')
-rw-r--r--drivers/crypto/ccp/ccp-crypto-des3.c35
1 files changed, 17 insertions, 18 deletions
diff --git a/drivers/crypto/ccp/ccp-crypto-des3.c b/drivers/crypto/ccp/ccp-crypto-des3.c
index ec97daf0fcb7..91b1189c47de 100644
--- a/drivers/crypto/ccp/ccp-crypto-des3.c
+++ b/drivers/crypto/ccp/ccp-crypto-des3.c
@@ -7,22 +7,24 @@
* Author: Gary R Hook <ghook@amd.com>
*/
+#include <crypto/internal/des.h>
+#include <crypto/internal/skcipher.h>
+#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/delay.h>
#include <linux/scatterlist.h>
-#include <linux/crypto.h>
-#include <crypto/algapi.h>
-#include <crypto/scatterwalk.h>
-#include <crypto/internal/des.h>
+#include <linux/slab.h>
+#include <linux/string.h>
#include "ccp-crypto.h"
static int ccp_des3_complete(struct crypto_async_request *async_req, int ret)
{
struct skcipher_request *req = skcipher_request_cast(async_req);
- struct ccp_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
- struct ccp_des3_req_ctx *rctx = skcipher_request_ctx(req);
+ struct ccp_ctx *ctx = crypto_skcipher_ctx_dma(
+ crypto_skcipher_reqtfm(req));
+ struct ccp_des3_req_ctx *rctx = skcipher_request_ctx_dma(req);
if (ret)
return ret;
@@ -37,7 +39,7 @@ static int ccp_des3_setkey(struct crypto_skcipher *tfm, const u8 *key,
unsigned int key_len)
{
struct ccp_crypto_skcipher_alg *alg = ccp_crypto_skcipher_alg(tfm);
- struct ccp_ctx *ctx = crypto_skcipher_ctx(tfm);
+ struct ccp_ctx *ctx = crypto_skcipher_ctx_dma(tfm);
int err;
err = verify_skcipher_des3_key(tfm, key);
@@ -60,11 +62,10 @@ static int ccp_des3_setkey(struct crypto_skcipher *tfm, const u8 *key,
static int ccp_des3_crypt(struct skcipher_request *req, bool encrypt)
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
- struct ccp_ctx *ctx = crypto_skcipher_ctx(tfm);
- struct ccp_des3_req_ctx *rctx = skcipher_request_ctx(req);
+ struct ccp_ctx *ctx = crypto_skcipher_ctx_dma(tfm);
+ struct ccp_des3_req_ctx *rctx = skcipher_request_ctx_dma(req);
struct scatterlist *iv_sg = NULL;
unsigned int iv_len = 0;
- int ret;
if (!ctx->u.des3.key_len)
return -EINVAL;
@@ -100,9 +101,7 @@ static int ccp_des3_crypt(struct skcipher_request *req, bool encrypt)
rctx->cmd.u.des3.src_len = req->cryptlen;
rctx->cmd.u.des3.dst = req->dst;
- ret = ccp_crypto_enqueue_request(&req->base, &rctx->cmd);
-
- return ret;
+ return ccp_crypto_enqueue_request(&req->base, &rctx->cmd);
}
static int ccp_des3_encrypt(struct skcipher_request *req)
@@ -117,12 +116,12 @@ static int ccp_des3_decrypt(struct skcipher_request *req)
static int ccp_des3_init_tfm(struct crypto_skcipher *tfm)
{
- struct ccp_ctx *ctx = crypto_skcipher_ctx(tfm);
+ struct ccp_ctx *ctx = crypto_skcipher_ctx_dma(tfm);
ctx->complete = ccp_des3_complete;
ctx->u.des3.key_len = 0;
- crypto_skcipher_set_reqsize(tfm, sizeof(struct ccp_des3_req_ctx));
+ crypto_skcipher_set_reqsize_dma(tfm, sizeof(struct ccp_des3_req_ctx));
return 0;
}
@@ -140,7 +139,7 @@ static const struct skcipher_alg ccp_des3_defaults = {
CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_NEED_FALLBACK,
.base.cra_blocksize = DES3_EDE_BLOCK_SIZE,
- .base.cra_ctxsize = sizeof(struct ccp_ctx),
+ .base.cra_ctxsize = sizeof(struct ccp_ctx) + CRYPTO_DMA_PADDING,
.base.cra_priority = CCP_CRA_PRIORITY,
.base.cra_module = THIS_MODULE,
};