github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-04 12:35:52 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

crypto: kpp - Add ctx helpers with DMA alignment

Browse Source 
This patch adds helpers to access the kpp context structure and
request context structure with an added alignment for DMA access.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2022-11-25 12:36:43 +08:00
parent 4ac3377645
commit a5a49249ef
1 changed files with 23 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
include/crypto/internal/kpp.h
View File

@ -50,15 +50,37 @@ static inline void *kpp_request_ctx(struct kpp_request *req)
return req->__ctx;
}
static inline void *kpp_request_ctx_dma(struct kpp_request *req)
{
unsigned int align = crypto_dma_align();
if (align <= crypto_tfm_ctx_alignment())
align = 1;
return PTR_ALIGN(kpp_request_ctx(req), align);
}
static inline void kpp_set_reqsize(struct crypto_kpp *kpp,
unsigned int reqsize)
{
kpp->reqsize = reqsize;
}
static inline void kpp_set_reqsize_dma(struct crypto_kpp *kpp,
unsigned int reqsize)
{
reqsize += crypto_dma_align() & ~(crypto_tfm_ctx_alignment() - 1);
kpp->reqsize = reqsize;
}
static inline void *kpp_tfm_ctx(struct crypto_kpp *tfm)
{
return tfm->base.__crt_ctx;
return crypto_tfm_ctx(&tfm->base);
}
static inline void *kpp_tfm_ctx_dma(struct crypto_kpp *tfm)
{
return crypto_tfm_ctx_dma(&tfm->base);
}
static inline void kpp_request_complete(struct kpp_request *req, int err)