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crypto: api - permit users to specify numa node of acomp hardware

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For a Linux server with NUMA, there are possibly multiple (de)compressors
which are either local or remote to some NUMA node. Some drivers will
automatically use the (de)compressor near the CPU calling acomp_alloc().
However, it is not necessarily correct because users who send acomp_req
could be from different NUMA node with the CPU which allocates acomp.

Just like kernel has kmalloc() and kmalloc_node(), here crypto can have
same support.

Cc: Seth Jennings <sjenning@redhat.com>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Barry Song <song.bao.hua@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Barry Song
2020-07-05 21:18:58 +12:00
committed by Herbert Xu
parent 3347c8a079
commit 7bc13b5b60
5 changed files with 62 additions and 13 deletions
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23
crypto/internal.h
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@@ -68,13 +68,28 @@ void crypto_remove_final(struct list_head *list);
void crypto_shoot_alg(struct crypto_alg *alg);
struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type,
u32 mask);
void *crypto_create_tfm(struct crypto_alg *alg,
const struct crypto_type *frontend);
void *crypto_create_tfm_node(struct crypto_alg *alg,
const struct crypto_type *frontend, int node);
static inline void *crypto_create_tfm(struct crypto_alg *alg,
const struct crypto_type *frontend)
{
return crypto_create_tfm_node(alg, frontend, NUMA_NO_NODE);
}
struct crypto_alg *crypto_find_alg(const char *alg_name,
const struct crypto_type *frontend,
u32 type, u32 mask);
void *crypto_alloc_tfm(const char *alg_name,
const struct crypto_type *frontend, u32 type, u32 mask);
void *crypto_alloc_tfm_node(const char *alg_name,
const struct crypto_type *frontend, u32 type, u32 mask,
int node);
static inline void *crypto_alloc_tfm(const char *alg_name,
const struct crypto_type *frontend, u32 type, u32 mask)
{
return crypto_alloc_tfm_node(alg_name, frontend, type, mask, NUMA_NO_NODE);
}
int crypto_probing_notify(unsigned long val, void *v);