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crypto: api - Add reqsize to crypto_alg

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Add a reqsize field to crypto_alg with the intention of replacing
the type-specific reqsize field currently used by ahash and acomp.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2025-04-07 18:20:59 +08:00
parent 6eed1e3552
commit afddce13ce
1 changed files with 7 additions and 0 deletions
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include/linux/crypto.h
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@ -276,6 +276,7 @@ struct cipher_alg {
* to the alignmask of the algorithm being used, in order to * to the alignmask of the algorithm being used, in order to
* avoid the API having to realign them. Note: the alignmask is * avoid the API having to realign them. Note: the alignmask is
* not supported for hash algorithms and is always 0 for them. * not supported for hash algorithms and is always 0 for them.
* @cra_reqsize: Size of the request context for this algorithm.
* @cra_priority: Priority of this transformation implementation. In case * @cra_priority: Priority of this transformation implementation. In case
* multiple transformations with same @cra_name are available to * multiple transformations with same @cra_name are available to
* the Crypto API, the kernel will use the one with highest * the Crypto API, the kernel will use the one with highest
@ -322,6 +323,7 @@ struct crypto_alg {
unsigned int cra_blocksize; unsigned int cra_blocksize;
unsigned int cra_ctxsize; unsigned int cra_ctxsize;
unsigned int cra_alignmask; unsigned int cra_alignmask;
unsigned int cra_reqsize;
int cra_priority; int cra_priority;
refcount_t cra_refcnt; refcount_t cra_refcnt;
@ -441,6 +443,11 @@ static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm)
return tfm->__crt_alg->cra_alignmask; return tfm->__crt_alg->cra_alignmask;
} }
static inline unsigned int crypto_tfm_alg_reqsize(struct crypto_tfm *tfm)
{
return tfm->__crt_alg->cra_reqsize;
}
static inline u32 crypto_tfm_get_flags(struct crypto_tfm *tfm) static inline u32 crypto_tfm_get_flags(struct crypto_tfm *tfm)
{ {
return tfm->crt_flags; return tfm->crt_flags;