83 	int (*generator)(struct crypt_config *cc, u8 *iv,
85 	int (*post)(struct crypt_config *cc, u8 *iv,
224 static int crypt_iv_plain_gen(struct crypt_config *cc, u8 *iv,  in crypt_iv_plain_gen()  argument
227 	memset(iv, 0, cc->iv_size);  in crypt_iv_plain_gen()
228 	*(__le32 *)iv = cpu_to_le32(dmreq->iv_sector & 0xffffffff);  in crypt_iv_plain_gen()
233 static int crypt_iv_plain64_gen(struct crypt_config *cc, u8 *iv,  in crypt_iv_plain64_gen()  argument
236 	memset(iv, 0, cc->iv_size);  in crypt_iv_plain64_gen()
237 	*(__le64 *)iv = cpu_to_le64(dmreq->iv_sector);  in crypt_iv_plain64_gen()
387 static int crypt_iv_essiv_gen(struct crypt_config *cc, u8 *iv,  in crypt_iv_essiv_gen()  argument
392 	memset(iv, 0, cc->iv_size);  in crypt_iv_essiv_gen()
393 	*(__le64 *)iv = cpu_to_le64(dmreq->iv_sector);  in crypt_iv_essiv_gen()
394 	crypto_cipher_encrypt_one(essiv_tfm, iv, iv);  in crypt_iv_essiv_gen()
427 static int crypt_iv_benbi_gen(struct crypt_config *cc, u8 *iv,  in crypt_iv_benbi_gen()  argument
432 	memset(iv, 0, cc->iv_size - sizeof(u64)); /* rest is cleared below */  in crypt_iv_benbi_gen()
435 	put_unaligned(val, (__be64 *)(iv + cc->iv_size - sizeof(u64)));  in crypt_iv_benbi_gen()
440 static int crypt_iv_null_gen(struct crypt_config *cc, u8 *iv,  in crypt_iv_null_gen()  argument
443 	memset(iv, 0, cc->iv_size);  in crypt_iv_null_gen()
510 static int crypt_iv_lmk_one(struct crypt_config *cc, u8 *iv,  in crypt_iv_lmk_one()  argument
557 	memcpy(iv, &md5state.hash, cc->iv_size);  in crypt_iv_lmk_one()
562 static int crypt_iv_lmk_gen(struct crypt_config *cc, u8 *iv,  in crypt_iv_lmk_gen()  argument
570 		r = crypt_iv_lmk_one(cc, iv, dmreq, src + dmreq->sg_in.offset);  in crypt_iv_lmk_gen()
573 		memset(iv, 0, cc->iv_size);  in crypt_iv_lmk_gen()
578 static int crypt_iv_lmk_post(struct crypt_config *cc, u8 *iv,  in crypt_iv_lmk_post()  argument
588 	r = crypt_iv_lmk_one(cc, iv, dmreq, dst + dmreq->sg_out.offset);  in crypt_iv_lmk_post()
592 		crypto_xor(dst + dmreq->sg_out.offset, iv, cc->iv_size);  in crypt_iv_lmk_post()
674 	u8 *iv;  in crypt_convert_block()  local
678 	iv = iv_of_dmreq(cc, dmreq);  in crypt_convert_block()
703 		r = cc->iv_gen_ops->generator(cc, iv, dmreq);  in crypt_convert_block()
709 				     1 << SECTOR_SHIFT, iv);  in crypt_convert_block()
717 		r = cc->iv_gen_ops->post(cc, iv, dmreq);  in crypt_convert_block()