*/
static int cfs_crypto_hash_speeds[CFS_HASH_ALG_MAX];
-
-#ifndef HAVE_STRUCT_HASH_DESC
-/** 2.6.18 kernel have no crypto_hash function
- * this part was copied from lustre_compat25.h */
-#define crypto_hash crypto_tfm
-struct hash_desc {
- struct crypto_hash *tfm;
- unsigned int flags;
-};
-
-static inline
-struct crypto_hash *crypto_alloc_hash(const char *alg, unsigned int type,
- unsigned int mask)
-{
- return crypto_alloc_tfm(alg, 0);
-}
-
-static inline void crypto_free_hash(struct crypto_hash *tfm)
-{
- crypto_free_tfm(tfm);
-}
-
-static inline int crypto_hash_init(struct hash_desc *desc)
-{
- crypto_digest_init(desc->tfm);
- return 0;
-}
-
-static inline int crypto_hash_update(struct hash_desc *desc,
- struct scatterlist *sg,
- unsigned int nbytes)
-{
- if (desc->tfm->crt_digest.dit_update == NULL)
- return -1;
-
- LASSERT(nbytes == sg->length);
- crypto_digest_update(desc->tfm, sg, 1);
-
- return 0;
-}
-
-static inline int crypto_hash_digest(struct hash_desc *desc,
- struct scatterlist *sg,
- unsigned int nbytes, unsigned char *out)
-{
- crypto_hash_update(desc, sg, nbytes);
- crypto_digest_final(desc->tfm, out);
- return 0;
-}
-
-static inline int crypto_hash_final(struct hash_desc *desc, unsigned char *out)
-{
- crypto_digest_final(desc->tfm, out);
- return 0;
-}
-
-static inline struct crypto_tfm *crypto_hash_tfm(struct crypto_hash *tfm)
-{
- return tfm;
-}
-
-#define crypto_hash_setkey(tfm, key, keylen) \
- crypto_digest_setkey(tfm, key, keylen)
-#define crypto_hash_digestsize(tfm) crypto_tfm_alg_digestsize(tfm)
-#define crypto_hash_blocksize(tfm) crypto_tfm_alg_blocksize(tfm)
-#endif
-
static int cfs_crypto_hash_alloc(unsigned char alg_id,
const struct cfs_crypto_hash_type **type,
struct hash_desc *desc, unsigned char *key,
desc->flags = 0;
- /** Shash have different logic for initialization then digest
- * shash: crypto_hash_setkey, crypto_hash_init
- * digest: crypto_digest_init, crypto_digest_setkey
- * Skip this function for digest, because we use shash logic at
- * cfs_crypto_hash_alloc.
- */
-#ifndef HAVE_STRUCT_SHASH_ALG
- crypto_hash_init(desc);
-#endif
if (key != NULL) {
err = crypto_hash_setkey(desc->tfm, key, key_len);
} else if ((*type)->cht_key != 0) {
(crypto_hash_tfm(desc->tfm))->__crt_alg->cra_driver_name,
cfs_crypto_hash_speeds[alg_id]);
-#ifdef HAVE_STRUCT_SHASH_ALG
return crypto_hash_init(desc);
-#else
- return 0;
-#endif
}
int cfs_crypto_hash_digest(unsigned char alg_id,
1000) / (1024 * 1024);
cfs_crypto_hash_speeds[alg_id] = (int)tmp;
}
- CDEBUG(D_INFO, "Crypto hash algorithm %s speed = %d MB/s\n",
+ CDEBUG(D_CONFIG, "Crypto hash algorithm %s speed = %d MB/s\n",
cfs_crypto_hash_name(alg_id), cfs_crypto_hash_speeds[alg_id]);
}
return 0;
}
-static int crc32, adler32;
+static int adler32;
+#ifdef HAVE_CRC32
+static int crc32;
+#endif
#ifdef HAVE_PCLMULQDQ
+#ifdef NEED_CRC32_ACCEL
static int crc32pclmul;
#endif
+#ifdef NEED_CRC32C_ACCEL
+static int crc32c_pclmul;
+#endif
+#endif
int cfs_crypto_register(void)
{
- cfs_request_module("crc32c");
+ request_module("crc32c");
- crc32 = cfs_crypto_crc32_register();
adler32 = cfs_crypto_adler32_register();
+#ifdef HAVE_CRC32
+ crc32 = cfs_crypto_crc32_register();
+#endif
#ifdef HAVE_PCLMULQDQ
+#ifdef NEED_CRC32_ACCEL
crc32pclmul = cfs_crypto_crc32_pclmul_register();
#endif
-
+#ifdef NEED_CRC32C_ACCEL
+ crc32c_pclmul = cfs_crypto_crc32c_pclmul_register();
+#endif
+#endif
/* check all algorithms and do performance test */
cfs_crypto_test_hashes();
return 0;
}
void cfs_crypto_unregister(void)
{
- if (crc32 == 0)
- cfs_crypto_crc32_unregister();
if (adler32 == 0)
cfs_crypto_adler32_unregister();
+#ifdef HAVE_CRC32
+ if (crc32 == 0)
+ cfs_crypto_crc32_unregister();
+#endif
#ifdef HAVE_PCLMULQDQ
+#ifdef NEED_CRC32_ACCEL
if (crc32pclmul == 0)
cfs_crypto_crc32_pclmul_unregister();
#endif
-
+#ifdef NEED_CRC32C_ACCEL
+ if (crc32c_pclmul == 0)
+ cfs_crypto_crc32c_pclmul_unregister();
+#endif
+#endif
return;
}