#include <linux/highmem.h>
#include <linux/interrupt.h>
#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
#include <asm/kmap_types.h>
extern enum km_type crypto_km_types[];
static inline void crypto_yield(struct crypto_tfm *tfm)
{
- if (!in_atomic())
+ if (tfm->crt_flags & CRYPTO_TFM_REQ_MAY_SLEEP)
cond_resched();
}
{ }
#endif
+static inline unsigned int crypto_digest_ctxsize(struct crypto_alg *alg,
+ int flags)
+{
+ return alg->cra_ctxsize;
+}
+
+static inline unsigned int crypto_cipher_ctxsize(struct crypto_alg *alg,
+ int flags)
+{
+ unsigned int len = alg->cra_ctxsize;
+
+ switch (flags & CRYPTO_TFM_MODE_MASK) {
+ case CRYPTO_TFM_MODE_CBC:
+ len = ALIGN(len, (unsigned long)alg->cra_alignmask + 1);
+ len += alg->cra_blocksize;
+ break;
+ }
+
+ return len;
+}
+
+static inline unsigned int crypto_compress_ctxsize(struct crypto_alg *alg,
+ int flags)
+{
+ return alg->cra_ctxsize;
+}
+
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);