82 	int (*generator)(struct crypt_config *cc, u8 *iv,
84 	int (*post)(struct crypt_config *cc, u8 *iv,
244 static int crypt_iv_plain_gen(struct crypt_config *cc, u8 *iv,  in crypt_iv_plain_gen()  argument
247 	memset(iv, 0, cc->iv_size);  in crypt_iv_plain_gen()
248 	*(__le32 *)iv = cpu_to_le32(dmreq->iv_sector & 0xffffffff);  in crypt_iv_plain_gen()
253 static int crypt_iv_plain64_gen(struct crypt_config *cc, u8 *iv,  in crypt_iv_plain64_gen()  argument
256 	memset(iv, 0, cc->iv_size);  in crypt_iv_plain64_gen()
257 	*(__le64 *)iv = cpu_to_le64(dmreq->iv_sector);  in crypt_iv_plain64_gen()
407 static int crypt_iv_essiv_gen(struct crypt_config *cc, u8 *iv,  in crypt_iv_essiv_gen()  argument
412 	memset(iv, 0, cc->iv_size);  in crypt_iv_essiv_gen()
413 	*(__le64 *)iv = cpu_to_le64(dmreq->iv_sector);  in crypt_iv_essiv_gen()
414 	crypto_cipher_encrypt_one(essiv_tfm, iv, iv);  in crypt_iv_essiv_gen()
447 static int crypt_iv_benbi_gen(struct crypt_config *cc, u8 *iv,  in crypt_iv_benbi_gen()  argument
452 	memset(iv, 0, cc->iv_size - sizeof(u64)); /* rest is cleared below */  in crypt_iv_benbi_gen()
455 	put_unaligned(val, (__be64 *)(iv + cc->iv_size - sizeof(u64)));  in crypt_iv_benbi_gen()
460 static int crypt_iv_null_gen(struct crypt_config *cc, u8 *iv,  in crypt_iv_null_gen()  argument
463 	memset(iv, 0, cc->iv_size);  in crypt_iv_null_gen()
530 static int crypt_iv_lmk_one(struct crypt_config *cc, u8 *iv,  in crypt_iv_lmk_one()  argument
574 	memcpy(iv, &md5state.hash, cc->iv_size);  in crypt_iv_lmk_one()
579 static int crypt_iv_lmk_gen(struct crypt_config *cc, u8 *iv,  in crypt_iv_lmk_gen()  argument
587 		r = crypt_iv_lmk_one(cc, iv, dmreq, src + dmreq->sg_in.offset);  in crypt_iv_lmk_gen()
590 		memset(iv, 0, cc->iv_size);  in crypt_iv_lmk_gen()
595 static int crypt_iv_lmk_post(struct crypt_config *cc, u8 *iv,  in crypt_iv_lmk_post()  argument
605 	r = crypt_iv_lmk_one(cc, iv, dmreq, dst + dmreq->sg_out.offset);  in crypt_iv_lmk_post()
609 		crypto_xor(dst + dmreq->sg_out.offset, iv, cc->iv_size);  in crypt_iv_lmk_post()
718 static int crypt_iv_tcw_gen(struct crypt_config *cc, u8 *iv,  in crypt_iv_tcw_gen()  argument
734 	memcpy(iv, tcw->iv_seed, cc->iv_size);  in crypt_iv_tcw_gen()
735 	crypto_xor(iv, (u8 *)&sector, 8);  in crypt_iv_tcw_gen()
737 		crypto_xor(&iv[8], (u8 *)&sector, cc->iv_size - 8);  in crypt_iv_tcw_gen()
742 static int crypt_iv_tcw_post(struct crypt_config *cc, u8 *iv,  in crypt_iv_tcw_post()  argument
844 	u8 *iv;  in crypt_convert_block()  local
848 	iv = iv_of_dmreq(cc, dmreq);  in crypt_convert_block()
864 		r = cc->iv_gen_ops->generator(cc, iv, dmreq);  in crypt_convert_block()
870 				     1 << SECTOR_SHIFT, iv);  in crypt_convert_block()
878 		r = cc->iv_gen_ops->post(cc, iv, dmreq);  in crypt_convert_block()