59 static int ecb_crypt(struct blkcipher_desc *desc, struct blkcipher_walk *walk,  in ecb_crypt()  argument
71 	err = blkcipher_walk_virt(desc, walk);  in ecb_crypt()
74 	while ((nbytes = walk->nbytes)) {  in ecb_crypt()
75 		u8 *wsrc = walk->src.virt.addr;  in ecb_crypt()
76 		u8 *wdst = walk->dst.virt.addr;  in ecb_crypt()
106 		err = blkcipher_walk_done(desc, walk, nbytes);  in ecb_crypt()
116 	struct blkcipher_walk walk;  in ecb_encrypt()  local
118 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ecb_encrypt()
119 	return ecb_crypt(desc, &walk, true);  in ecb_encrypt()
125 	struct blkcipher_walk walk;  in ecb_decrypt()  local
127 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ecb_decrypt()
128 	return ecb_crypt(desc, &walk, false);  in ecb_decrypt()
132 				  struct blkcipher_walk *walk)  in __cbc_encrypt()  argument
136 	unsigned int nbytes = walk->nbytes;  in __cbc_encrypt()
137 	u64 *src = (u64 *)walk->src.virt.addr;  in __cbc_encrypt()
138 	u64 *dst = (u64 *)walk->dst.virt.addr;  in __cbc_encrypt()
139 	u64 *iv = (u64 *)walk->iv;  in __cbc_encrypt()
151 	*(u64 *)walk->iv = *iv;  in __cbc_encrypt()
158 	struct blkcipher_walk walk;  in cbc_encrypt()  local
161 	blkcipher_walk_init(&walk, dst, src, nbytes);  in cbc_encrypt()
162 	err = blkcipher_walk_virt(desc, &walk);  in cbc_encrypt()
164 	while ((nbytes = walk.nbytes)) {  in cbc_encrypt()
165 		nbytes = __cbc_encrypt(desc, &walk);  in cbc_encrypt()
166 		err = blkcipher_walk_done(desc, &walk, nbytes);  in cbc_encrypt()
173 				  struct blkcipher_walk *walk)  in __cbc_decrypt()  argument
177 	unsigned int nbytes = walk->nbytes;  in __cbc_decrypt()
178 	u64 *src = (u64 *)walk->src.virt.addr;  in __cbc_decrypt()
179 	u64 *dst = (u64 *)walk->dst.virt.addr;  in __cbc_decrypt()
221 	*dst ^= *(u64 *)walk->iv;  in __cbc_decrypt()
222 	*(u64 *)walk->iv = last_iv;  in __cbc_decrypt()
231 	struct blkcipher_walk walk;  in cbc_decrypt()  local
234 	blkcipher_walk_init(&walk, dst, src, nbytes);  in cbc_decrypt()
235 	err = blkcipher_walk_virt(desc, &walk);  in cbc_decrypt()
238 	while ((nbytes = walk.nbytes)) {  in cbc_decrypt()
240 		nbytes = __cbc_decrypt(desc, &walk);  in cbc_decrypt()
241 		err = blkcipher_walk_done(desc, &walk, nbytes);  in cbc_decrypt()
249 			    struct blkcipher_walk *walk)  in ctr_crypt_final()  argument
252 	u8 *ctrblk = walk->iv;  in ctr_crypt_final()
254 	u8 *src = walk->src.virt.addr;  in ctr_crypt_final()
255 	u8 *dst = walk->dst.virt.addr;  in ctr_crypt_final()
256 	unsigned int nbytes = walk->nbytes;  in ctr_crypt_final()
266 				struct blkcipher_walk *walk)  in __ctr_crypt()  argument
270 	unsigned int nbytes = walk->nbytes;  in __ctr_crypt()
271 	u64 *src = (u64 *)walk->src.virt.addr;  in __ctr_crypt()
272 	u64 *dst = (u64 *)walk->dst.virt.addr;  in __ctr_crypt()
278 					(__be64 *)walk->iv);  in __ctr_crypt()
296 		ctrblk = *(u64 *)walk->iv;  in __ctr_crypt()
297 		be64_add_cpu((__be64 *)walk->iv, 1);  in __ctr_crypt()
315 	struct blkcipher_walk walk;  in ctr_crypt()  local
318 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ctr_crypt()
319 	err = blkcipher_walk_virt_block(desc, &walk, CAST5_BLOCK_SIZE);  in ctr_crypt()
322 	while ((nbytes = walk.nbytes) >= CAST5_BLOCK_SIZE) {  in ctr_crypt()
324 		nbytes = __ctr_crypt(desc, &walk);  in ctr_crypt()
325 		err = blkcipher_walk_done(desc, &walk, nbytes);  in ctr_crypt()
330 	if (walk.nbytes) {  in ctr_crypt()
331 		ctr_crypt_final(desc, &walk);  in ctr_crypt()
332 		err = blkcipher_walk_done(desc, &walk, 0);  in ctr_crypt()