A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-28 10:41:38 -04:00
Code Issues Projects Releases Packages Wiki Activity

[CRYPTO] api: Added event notification

Browse source 
This patch adds a notifier chain for algorithm/template registration events.
This will be used to register compound algorithms such as cbc(aes).  In
future this will also be passed onto user-space through netlink.

Signed-off-by: Herbert Xu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Herbert Xu 2006-08-06 21:23:26 +10:00
commit 2825982d9d
4 changed files with 199 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

37
crypto/internal.h
View file

@ -14,6 +14,7 @@
#define _CRYPTO_INTERNAL_H
#include <crypto/algapi.h>
#include <linux/completion.h>
#include <linux/mm.h>
#include <linux/highmem.h>
#include <linux/interrupt.h>
@ -21,15 +22,32 @@
#include <linux/list.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/notifier.h>
#include <linux/rwsem.h>
#include <linux/slab.h>
#include <asm/kmap_types.h>
/* Crypto notification events. */
enum {
CRYPTO_MSG_ALG_REQUEST,
CRYPTO_MSG_ALG_REGISTER,
CRYPTO_MSG_ALG_UNREGISTER,
CRYPTO_MSG_TMPL_REGISTER,
CRYPTO_MSG_TMPL_UNREGISTER,
};
struct crypto_instance;
struct crypto_template;
struct crypto_larval {
struct crypto_alg alg;
struct crypto_alg *adult;
struct completion completion;
};
extern struct list_head crypto_alg_list;
extern struct rw_semaphore crypto_alg_sem;
extern struct blocking_notifier_head crypto_chain;
extern enum km_type crypto_km_types[];
@ -104,6 +122,10 @@ static inline unsigned int crypto_compress_ctxsize(struct crypto_alg *alg,
return alg->cra_ctxsize;
}
struct crypto_alg *crypto_mod_get(struct crypto_alg *alg);
void crypto_mod_put(struct crypto_alg *alg);
struct crypto_alg *__crypto_alg_lookup(const char *name);
int crypto_init_digest_flags(struct crypto_tfm *tfm, u32 flags);
int crypto_init_cipher_flags(struct crypto_tfm *tfm, u32 flags);
int crypto_init_compress_flags(struct crypto_tfm *tfm, u32 flags);
@ -116,9 +138,14 @@ void crypto_exit_digest_ops(struct crypto_tfm *tfm);
void crypto_exit_cipher_ops(struct crypto_tfm *tfm);
void crypto_exit_compress_ops(struct crypto_tfm *tfm);
void crypto_larval_error(const char *name);
int crypto_register_instance(struct crypto_template *tmpl,
struct crypto_instance *inst);
int crypto_register_notifier(struct notifier_block *nb);
int crypto_unregister_notifier(struct notifier_block *nb);
static inline int crypto_tmpl_get(struct crypto_template *tmpl)
{
return try_module_get(tmpl->module);
@ -129,5 +156,15 @@ static inline void crypto_tmpl_put(struct crypto_template *tmpl)
module_put(tmpl->module);
}
static inline int crypto_is_larval(struct crypto_alg *alg)
{
return alg->cra_flags & CRYPTO_ALG_LARVAL;
}
static inline int crypto_notify(unsigned long val, void *v)
{
return blocking_notifier_call_chain(&crypto_chain, val, v);
}
#endif /* _CRYPTO_INTERNAL_H */