This patch adds wrapper functions for compression users
that allocate and free per-cpu compression transforms
Signed-off-by: Seth Jennings <sjenn...@linux.vnet.ibm.com>
---
include/linux/crypto.h | 28 ++++++++++++++++++++++++++++
1 files changed, 28 insertions(+), 0 deletions(-)
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 8a94217..5ed19c1 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -483,6 +483,10 @@ struct crypto_attr_u32 {
struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask);
void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm);
+struct crypto_tfm * __percpu *crypto_alloc_percpu_tfms(const char *alg_name,
+ u32 type, u32 mask, const struct cpumask *cpumask);
+void crypto_free_percpu_tfms(struct crypto_tfm * __percpu *tfms,
+ const struct cpumask *cpumask);
static inline void crypto_free_tfm(struct crypto_tfm *tfm)
{
@@ -1213,6 +1217,12 @@ static inline struct crypto_comp
*__crypto_comp_cast(struct crypto_tfm *tfm)
return (struct crypto_comp *)tfm;
}
+static inline struct crypto_comp * __percpu *__crypto_comp_percpu_cast(
+ struct crypto_tfm * __percpu *tfms)
+{
+ return (struct crypto_comp * __percpu *)tfms;
+}
+
static inline struct crypto_comp *crypto_comp_cast(struct crypto_tfm *tfm)
{
BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_COMPRESS) &
@@ -1230,6 +1240,17 @@ static inline struct crypto_comp
*crypto_alloc_comp(const char *alg_name,
return __crypto_comp_cast(crypto_alloc_base(alg_name, type, mask));
}
+static inline struct crypto_comp * __percpu *crypto_alloc_percpu_comp(
+ const char *alg_name, u32 type, u32 mask, const struct cpumask *cpumask)
+{
+ type &= ~CRYPTO_ALG_TYPE_MASK;
+ type |= CRYPTO_ALG_TYPE_COMPRESS;
+ mask |= CRYPTO_ALG_TYPE_MASK;
+
+ return __crypto_comp_percpu_cast(crypto_alloc_percpu_tfms(alg_name,
+ type, mask, cpumask));
+}
+
static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm)
{
return &tfm->base;
@@ -1240,6 +1261,13 @@ static inline void crypto_free_comp(struct crypto_comp
*tfm)
crypto_free_tfm(crypto_comp_tfm(tfm));
}
+static inline void crypto_free_percpu_comp(struct crypto_comp * __percpu *tfms,
+ const struct cpumask *cpumask)
+{
+ crypto_free_percpu_tfms((struct crypto_tfm * __percpu *)(tfms),
+ cpumask);
+}
+
static inline int crypto_has_comp(const char *alg_name, u32 type, u32 mask)
{
type &= ~CRYPTO_ALG_TYPE_MASK;
--
1.7.5.4
--
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