166 static int ecb_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in ecb_encrypt()  argument
169 	struct crypto_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in ecb_encrypt()
174 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in ecb_encrypt()
176 	err = blkcipher_walk_virt(desc, &walk);  in ecb_encrypt()
182 		err = blkcipher_walk_done(desc, &walk,  in ecb_encrypt()
189 static int ecb_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in ecb_decrypt()  argument
192 	struct crypto_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in ecb_decrypt()
197 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in ecb_decrypt()
199 	err = blkcipher_walk_virt(desc, &walk);  in ecb_decrypt()
205 		err = blkcipher_walk_done(desc, &walk,  in ecb_decrypt()
212 static int cbc_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in cbc_encrypt()  argument
215 	struct crypto_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in cbc_encrypt()
220 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in cbc_encrypt()
222 	err = blkcipher_walk_virt(desc, &walk);  in cbc_encrypt()
229 		err = blkcipher_walk_done(desc, &walk,  in cbc_encrypt()
236 static int cbc_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in cbc_decrypt()  argument
239 	struct crypto_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in cbc_decrypt()
244 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in cbc_decrypt()
246 	err = blkcipher_walk_virt(desc, &walk);  in cbc_decrypt()
253 		err = blkcipher_walk_done(desc, &walk,  in cbc_decrypt()
260 static int ctr_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in ctr_encrypt()  argument
263 	struct crypto_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in ctr_encrypt()
267 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in ctr_encrypt()
269 	err = blkcipher_walk_virt_block(desc, &walk, AES_BLOCK_SIZE);  in ctr_encrypt()
279 		err = blkcipher_walk_done(desc, &walk,  in ctr_encrypt()
296 		err = blkcipher_walk_done(desc, &walk, 0);  in ctr_encrypt()
303 static int xts_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in xts_encrypt()  argument
306 	struct crypto_aes_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in xts_encrypt()
311 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in xts_encrypt()
313 	err = blkcipher_walk_virt(desc, &walk);  in xts_encrypt()
320 		err = blkcipher_walk_done(desc, &walk,  in xts_encrypt()
328 static int xts_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in xts_decrypt()  argument
331 	struct crypto_aes_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in xts_decrypt()
336 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in xts_decrypt()
338 	err = blkcipher_walk_virt(desc, &walk);  in xts_decrypt()
345 		err = blkcipher_walk_done(desc, &walk,  in xts_decrypt()