99 static int ecb_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in ecb_encrypt()  argument
102 	struct crypto_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in ecb_encrypt()
107 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in ecb_encrypt()
109 	err = blkcipher_walk_virt(desc, &walk);  in ecb_encrypt()
115 		err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE);  in ecb_encrypt()
121 static int ecb_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in ecb_decrypt()  argument
124 	struct crypto_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in ecb_decrypt()
129 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in ecb_decrypt()
131 	err = blkcipher_walk_virt(desc, &walk);  in ecb_decrypt()
137 		err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE);  in ecb_decrypt()
143 static int cbc_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in cbc_encrypt()  argument
146 	struct crypto_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in cbc_encrypt()
151 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in cbc_encrypt()
153 	err = blkcipher_walk_virt(desc, &walk);  in cbc_encrypt()
160 		err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE);  in cbc_encrypt()
166 static int cbc_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in cbc_decrypt()  argument
169 	struct crypto_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in cbc_decrypt()
174 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in cbc_decrypt()
176 	err = blkcipher_walk_virt(desc, &walk);  in cbc_decrypt()
183 		err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE);  in cbc_decrypt()
189 static int ctr_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in ctr_encrypt()  argument
192 	struct crypto_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in ctr_encrypt()
197 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in ctr_encrypt()
199 	err = blkcipher_walk_virt_block(desc, &walk, AES_BLOCK_SIZE);  in ctr_encrypt()
211 		err = blkcipher_walk_done(desc, &walk,  in ctr_encrypt()
228 		err = blkcipher_walk_done(desc, &walk, 0);  in ctr_encrypt()
235 static int xts_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in xts_encrypt()  argument
238 	struct crypto_aes_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in xts_encrypt()
243 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in xts_encrypt()
245 	err = blkcipher_walk_virt(desc, &walk);  in xts_encrypt()
252 		err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE);  in xts_encrypt()
259 static int xts_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in xts_decrypt()  argument
262 	struct crypto_aes_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in xts_decrypt()
267 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in xts_decrypt()
269 	err = blkcipher_walk_virt(desc, &walk);  in xts_decrypt()
276 		err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE);  in xts_decrypt()