[CRYPTO] api: Added spawns
Spawns lock a specific crypto algorithm in place. They can then be used
with crypto_spawn_tfm to allocate a tfm for that algorithm. When the base
algorithm of a spawn is deregistered, all its spawns will be automatically
removed.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 85f73c3..40a6330 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -35,6 +35,8 @@
#define CRYPTO_ALG_TYPE_COMPRESS 0x00000004
#define CRYPTO_ALG_LARVAL 0x00000010
+#define CRYPTO_ALG_DEAD 0x00000020
+#define CRYPTO_ALG_DYING 0x00000040
/*
* Transform masks and values (for crt_flags).
@@ -145,6 +147,8 @@
struct crypto_alg {
struct list_head cra_list;
+ struct list_head cra_users;
+
u32 cra_flags;
unsigned int cra_blocksize;
unsigned int cra_ctxsize;