175 	struct blkcipher_walk walk;  in ecb_encrypt()  local
180 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ecb_encrypt()
181 	err = blkcipher_walk_virt(desc, &walk);  in ecb_encrypt()
184 	while ((blocks = (walk.nbytes / AES_BLOCK_SIZE))) {  in ecb_encrypt()
185 		ce_aes_ecb_encrypt(walk.dst.virt.addr, walk.src.virt.addr,  in ecb_encrypt()
187 		err = blkcipher_walk_done(desc, &walk,  in ecb_encrypt()
188 					  walk.nbytes % AES_BLOCK_SIZE);  in ecb_encrypt()
198 	struct blkcipher_walk walk;  in ecb_decrypt()  local
203 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ecb_decrypt()
204 	err = blkcipher_walk_virt(desc, &walk);  in ecb_decrypt()
207 	while ((blocks = (walk.nbytes / AES_BLOCK_SIZE))) {  in ecb_decrypt()
208 		ce_aes_ecb_decrypt(walk.dst.virt.addr, walk.src.virt.addr,  in ecb_decrypt()
210 		err = blkcipher_walk_done(desc, &walk,  in ecb_decrypt()
211 					  walk.nbytes % AES_BLOCK_SIZE);  in ecb_decrypt()
221 	struct blkcipher_walk walk;  in cbc_encrypt()  local
226 	blkcipher_walk_init(&walk, dst, src, nbytes);  in cbc_encrypt()
227 	err = blkcipher_walk_virt(desc, &walk);  in cbc_encrypt()
230 	while ((blocks = (walk.nbytes / AES_BLOCK_SIZE))) {  in cbc_encrypt()
231 		ce_aes_cbc_encrypt(walk.dst.virt.addr, walk.src.virt.addr,  in cbc_encrypt()
233 				   walk.iv);  in cbc_encrypt()
234 		err = blkcipher_walk_done(desc, &walk,  in cbc_encrypt()
235 					  walk.nbytes % AES_BLOCK_SIZE);  in cbc_encrypt()
245 	struct blkcipher_walk walk;  in cbc_decrypt()  local
250 	blkcipher_walk_init(&walk, dst, src, nbytes);  in cbc_decrypt()
251 	err = blkcipher_walk_virt(desc, &walk);  in cbc_decrypt()
254 	while ((blocks = (walk.nbytes / AES_BLOCK_SIZE))) {  in cbc_decrypt()
255 		ce_aes_cbc_decrypt(walk.dst.virt.addr, walk.src.virt.addr,  in cbc_decrypt()
257 				   walk.iv);  in cbc_decrypt()
258 		err = blkcipher_walk_done(desc, &walk,  in cbc_decrypt()
259 					  walk.nbytes % AES_BLOCK_SIZE);  in cbc_decrypt()
269 	struct blkcipher_walk walk;  in ctr_encrypt()  local
273 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ctr_encrypt()
274 	err = blkcipher_walk_virt_block(desc, &walk, AES_BLOCK_SIZE);  in ctr_encrypt()
277 	while ((blocks = (walk.nbytes / AES_BLOCK_SIZE))) {  in ctr_encrypt()
278 		ce_aes_ctr_encrypt(walk.dst.virt.addr, walk.src.virt.addr,  in ctr_encrypt()
280 				   walk.iv);  in ctr_encrypt()
282 		if (nbytes && nbytes == walk.nbytes % AES_BLOCK_SIZE)  in ctr_encrypt()
284 		err = blkcipher_walk_done(desc, &walk,  in ctr_encrypt()
285 					  walk.nbytes % AES_BLOCK_SIZE);  in ctr_encrypt()
287 	if (walk.nbytes % AES_BLOCK_SIZE) {  in ctr_encrypt()
288 		u8 *tdst = walk.dst.virt.addr + blocks * AES_BLOCK_SIZE;  in ctr_encrypt()
289 		u8 *tsrc = walk.src.virt.addr + blocks * AES_BLOCK_SIZE;  in ctr_encrypt()
299 				   num_rounds(ctx), blocks, walk.iv);  in ctr_encrypt()
301 		err = blkcipher_walk_done(desc, &walk, 0);  in ctr_encrypt()
313 	struct blkcipher_walk walk;  in xts_encrypt()  local
317 	blkcipher_walk_init(&walk, dst, src, nbytes);  in xts_encrypt()
318 	err = blkcipher_walk_virt(desc, &walk);  in xts_encrypt()
321 	for (first = 1; (blocks = (walk.nbytes / AES_BLOCK_SIZE)); first = 0) {  in xts_encrypt()
322 		ce_aes_xts_encrypt(walk.dst.virt.addr, walk.src.virt.addr,  in xts_encrypt()
324 				   walk.iv, (u8 *)ctx->key2.key_enc, first);  in xts_encrypt()
325 		err = blkcipher_walk_done(desc, &walk,  in xts_encrypt()
326 					  walk.nbytes % AES_BLOCK_SIZE);  in xts_encrypt()
338 	struct blkcipher_walk walk;  in xts_decrypt()  local
342 	blkcipher_walk_init(&walk, dst, src, nbytes);  in xts_decrypt()
343 	err = blkcipher_walk_virt(desc, &walk);  in xts_decrypt()
346 	for (first = 1; (blocks = (walk.nbytes / AES_BLOCK_SIZE)); first = 0) {  in xts_decrypt()
347 		ce_aes_xts_decrypt(walk.dst.virt.addr, walk.src.virt.addr,  in xts_decrypt()
349 				   walk.iv, (u8 *)ctx->key2.key_enc, first);  in xts_decrypt()
350 		err = blkcipher_walk_done(desc, &walk,  in xts_decrypt()
351 					  walk.nbytes % AES_BLOCK_SIZE);  in xts_decrypt()