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-rw-r--r--include/crypto/internal/skcipher.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h
index 2a97540156bb..06d0a5491cf3 100644
--- a/include/crypto/internal/skcipher.h
+++ b/include/crypto/internal/skcipher.h
@@ -130,6 +130,13 @@ static inline void crypto_skcipher_set_reqsize(
skcipher->reqsize = reqsize;
}
+static inline void crypto_skcipher_set_reqsize_dma(
+ struct crypto_skcipher *skcipher, unsigned int reqsize)
+{
+ reqsize += crypto_dma_align() & ~(crypto_tfm_ctx_alignment() - 1);
+ skcipher->reqsize = reqsize;
+}
+
int crypto_register_skcipher(struct skcipher_alg *alg);
void crypto_unregister_skcipher(struct skcipher_alg *alg);
int crypto_register_skciphers(struct skcipher_alg *algs, int count);
@@ -159,11 +166,26 @@ static inline void *crypto_skcipher_ctx(struct crypto_skcipher *tfm)
return crypto_tfm_ctx(&tfm->base);
}
+static inline void *crypto_skcipher_ctx_dma(struct crypto_skcipher *tfm)
+{
+ return crypto_tfm_ctx_dma(&tfm->base);
+}
+
static inline void *skcipher_request_ctx(struct skcipher_request *req)
{
return req->__ctx;
}
+static inline void *skcipher_request_ctx_dma(struct skcipher_request *req)
+{
+ unsigned int align = crypto_dma_align();
+
+ if (align <= crypto_tfm_ctx_alignment())
+ align = 1;
+
+ return PTR_ALIGN(skcipher_request_ctx(req), align);
+}
+
static inline u32 skcipher_request_flags(struct skcipher_request *req)
{
return req->base.flags;