179 static int ppc_ecb_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in ppc_ecb_encrypt()  argument
182 	struct ppc_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in ppc_ecb_encrypt()
187 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in ppc_ecb_encrypt()
189 	err = blkcipher_walk_virt(desc, &walk);  in ppc_ecb_encrypt()
201 		err = blkcipher_walk_done(desc, &walk, ubytes);  in ppc_ecb_encrypt()
207 static int ppc_ecb_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in ppc_ecb_decrypt()  argument
210 	struct ppc_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in ppc_ecb_decrypt()
215 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in ppc_ecb_decrypt()
217 	err = blkcipher_walk_virt(desc, &walk);  in ppc_ecb_decrypt()
229 		err = blkcipher_walk_done(desc, &walk, ubytes);  in ppc_ecb_decrypt()
235 static int ppc_cbc_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in ppc_cbc_encrypt()  argument
238 	struct ppc_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in ppc_cbc_encrypt()
243 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in ppc_cbc_encrypt()
245 	err = blkcipher_walk_virt(desc, &walk);  in ppc_cbc_encrypt()
257 		err = blkcipher_walk_done(desc, &walk, ubytes);  in ppc_cbc_encrypt()
263 static int ppc_cbc_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in ppc_cbc_decrypt()  argument
266 	struct ppc_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in ppc_cbc_decrypt()
271 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in ppc_cbc_decrypt()
273 	err = blkcipher_walk_virt(desc, &walk);  in ppc_cbc_decrypt()
285 		err = blkcipher_walk_done(desc, &walk, ubytes);  in ppc_cbc_decrypt()
291 static int ppc_ctr_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in ppc_ctr_crypt()  argument
294 	struct ppc_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in ppc_ctr_crypt()
299 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in ppc_ctr_crypt()
301 	err = blkcipher_walk_virt_block(desc, &walk, AES_BLOCK_SIZE);  in ppc_ctr_crypt()
315 		err = blkcipher_walk_done(desc, &walk, ubytes);  in ppc_ctr_crypt()
321 static int ppc_xts_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in ppc_xts_encrypt()  argument
324 	struct ppc_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in ppc_xts_encrypt()
330 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in ppc_xts_encrypt()
332 	err = blkcipher_walk_virt(desc, &walk);  in ppc_xts_encrypt()
346 		err = blkcipher_walk_done(desc, &walk, ubytes);  in ppc_xts_encrypt()
352 static int ppc_xts_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,  in ppc_xts_decrypt()  argument
355 	struct ppc_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);  in ppc_xts_decrypt()
361 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in ppc_xts_decrypt()
363 	err = blkcipher_walk_virt(desc, &walk);  in ppc_xts_decrypt()
377 		err = blkcipher_walk_done(desc, &walk, ubytes);  in ppc_xts_decrypt()