104 	struct blkcipher_walk walk;  in ecb_encrypt()  local
108 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ecb_encrypt()
109 	err = blkcipher_walk_virt(desc, &walk);  in ecb_encrypt()
112 	for (first = 1; (blocks = (walk.nbytes / AES_BLOCK_SIZE)); first = 0) {  in ecb_encrypt()
113 		aes_ecb_encrypt(walk.dst.virt.addr, walk.src.virt.addr,  in ecb_encrypt()
115 		err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE);  in ecb_encrypt()
126 	struct blkcipher_walk walk;  in ecb_decrypt()  local
130 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ecb_decrypt()
131 	err = blkcipher_walk_virt(desc, &walk);  in ecb_decrypt()
134 	for (first = 1; (blocks = (walk.nbytes / AES_BLOCK_SIZE)); first = 0) {  in ecb_decrypt()
135 		aes_ecb_decrypt(walk.dst.virt.addr, walk.src.virt.addr,  in ecb_decrypt()
137 		err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE);  in ecb_decrypt()
148 	struct blkcipher_walk walk;  in cbc_encrypt()  local
152 	blkcipher_walk_init(&walk, dst, src, nbytes);  in cbc_encrypt()
153 	err = blkcipher_walk_virt(desc, &walk);  in cbc_encrypt()
156 	for (first = 1; (blocks = (walk.nbytes / AES_BLOCK_SIZE)); first = 0) {  in cbc_encrypt()
157 		aes_cbc_encrypt(walk.dst.virt.addr, walk.src.virt.addr,  in cbc_encrypt()
158 				(u8 *)ctx->key_enc, rounds, blocks, walk.iv,  in cbc_encrypt()
160 		err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE);  in cbc_encrypt()
171 	struct blkcipher_walk walk;  in cbc_decrypt()  local
175 	blkcipher_walk_init(&walk, dst, src, nbytes);  in cbc_decrypt()
176 	err = blkcipher_walk_virt(desc, &walk);  in cbc_decrypt()
179 	for (first = 1; (blocks = (walk.nbytes / AES_BLOCK_SIZE)); first = 0) {  in cbc_decrypt()
180 		aes_cbc_decrypt(walk.dst.virt.addr, walk.src.virt.addr,  in cbc_decrypt()
181 				(u8 *)ctx->key_dec, rounds, blocks, walk.iv,  in cbc_decrypt()
183 		err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE);  in cbc_decrypt()
194 	struct blkcipher_walk walk;  in ctr_encrypt()  local
198 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ctr_encrypt()
199 	err = blkcipher_walk_virt_block(desc, &walk, AES_BLOCK_SIZE);  in ctr_encrypt()
203 	while ((blocks = (walk.nbytes / AES_BLOCK_SIZE))) {  in ctr_encrypt()
204 		aes_ctr_encrypt(walk.dst.virt.addr, walk.src.virt.addr,  in ctr_encrypt()
205 				(u8 *)ctx->key_enc, rounds, blocks, walk.iv,  in ctr_encrypt()
209 		if (nbytes && nbytes == walk.nbytes % AES_BLOCK_SIZE)  in ctr_encrypt()
211 		err = blkcipher_walk_done(desc, &walk,  in ctr_encrypt()
212 					  walk.nbytes % AES_BLOCK_SIZE);  in ctr_encrypt()
214 	if (walk.nbytes % AES_BLOCK_SIZE) {  in ctr_encrypt()
215 		u8 *tdst = walk.dst.virt.addr + blocks * AES_BLOCK_SIZE;  in ctr_encrypt()
216 		u8 *tsrc = walk.src.virt.addr + blocks * AES_BLOCK_SIZE;  in ctr_encrypt()
226 				blocks, walk.iv, first);  in ctr_encrypt()
228 		err = blkcipher_walk_done(desc, &walk, 0);  in ctr_encrypt()
240 	struct blkcipher_walk walk;  in xts_encrypt()  local
244 	blkcipher_walk_init(&walk, dst, src, nbytes);  in xts_encrypt()
245 	err = blkcipher_walk_virt(desc, &walk);  in xts_encrypt()
248 	for (first = 1; (blocks = (walk.nbytes / AES_BLOCK_SIZE)); first = 0) {  in xts_encrypt()
249 		aes_xts_encrypt(walk.dst.virt.addr, walk.src.virt.addr,  in xts_encrypt()
251 				(u8 *)ctx->key2.key_enc, walk.iv, first);  in xts_encrypt()
252 		err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE);  in xts_encrypt()
264 	struct blkcipher_walk walk;  in xts_decrypt()  local
268 	blkcipher_walk_init(&walk, dst, src, nbytes);  in xts_decrypt()
269 	err = blkcipher_walk_virt(desc, &walk);  in xts_decrypt()
272 	for (first = 1; (blocks = (walk.nbytes / AES_BLOCK_SIZE)); first = 0) {  in xts_decrypt()
273 		aes_xts_decrypt(walk.dst.virt.addr, walk.src.virt.addr,  in xts_decrypt()
275 				(u8 *)ctx->key2.key_enc, walk.iv, first);  in xts_decrypt()
276 		err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE);  in xts_decrypt()