@@ -272,4 +272,9 @@ static inline bool crypto_tfm_req_chain(struct crypto_tfm *tfm)
return tfm->__crt_alg->cra_flags & CRYPTO_ALG_REQ_CHAIN;
}
+static inline u32 crypto_request_flags(struct crypto_async_request *req)
+{
+ return req->flags & ~CRYPTO_TFM_REQ_ON_STACK;
+}
+
#endif /* _CRYPTO_ALGAPI_H */
@@ -476,5 +476,29 @@ static inline bool crypto_tfm_is_async(struct crypto_tfm *tfm)
return tfm->__crt_alg->cra_flags & CRYPTO_ALG_ASYNC;
}
+static inline bool crypto_req_on_stack(struct crypto_async_request *req)
+{
+ return req->flags & CRYPTO_TFM_REQ_ON_STACK;
+}
+
+static inline void crypto_request_set_callback(
+ struct crypto_async_request *req, u32 flags,
+ crypto_completion_t compl, void *data)
+{
+ u32 keep = CRYPTO_TFM_REQ_ON_STACK;
+
+ req->complete = compl;
+ req->data = data;
+ req->flags &= keep;
+ req->flags |= flags & ~keep;
+}
+
+static inline void crypto_request_set_tfm(struct crypto_async_request *req,
+ struct crypto_tfm *tfm)
+{
+ req->tfm = tfm;
+ req->flags &= ~CRYPTO_TFM_REQ_ON_STACK;
+}
+
#endif /* _LINUX_CRYPTO_H */
Add helpers so that the ON_STACK request flag management is not duplicated all over the place. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> --- include/crypto/algapi.h | 5 +++++ include/linux/crypto.h | 24 ++++++++++++++++++++++++ 2 files changed, 29 insertions(+)