59 static int ecb_crypt(struct blkcipher_desc *desc, struct blkcipher_walk *walk,  in ecb_crypt()  argument
69 	err = blkcipher_walk_virt(desc, walk);  in ecb_crypt()
72 	while ((nbytes = walk->nbytes)) {  in ecb_crypt()
73 		u8 *wsrc = walk->src.virt.addr;  in ecb_crypt()
74 		u8 *wdst = walk->dst.virt.addr;  in ecb_crypt()
105 		err = blkcipher_walk_done(desc, walk, nbytes);  in ecb_crypt()
115 	struct blkcipher_walk walk;  in ecb_encrypt()  local
117 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ecb_encrypt()
118 	return ecb_crypt(desc, &walk, true);  in ecb_encrypt()
124 	struct blkcipher_walk walk;  in ecb_decrypt()  local
126 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ecb_decrypt()
127 	return ecb_crypt(desc, &walk, false);  in ecb_decrypt()
131 				  struct blkcipher_walk *walk)  in __cbc_encrypt()  argument
135 	unsigned int nbytes = walk->nbytes;  in __cbc_encrypt()
136 	u64 *src = (u64 *)walk->src.virt.addr;  in __cbc_encrypt()
137 	u64 *dst = (u64 *)walk->dst.virt.addr;  in __cbc_encrypt()
138 	u64 *iv = (u64 *)walk->iv;  in __cbc_encrypt()
150 	*(u64 *)walk->iv = *iv;  in __cbc_encrypt()
157 	struct blkcipher_walk walk;  in cbc_encrypt()  local
160 	blkcipher_walk_init(&walk, dst, src, nbytes);  in cbc_encrypt()
161 	err = blkcipher_walk_virt(desc, &walk);  in cbc_encrypt()
163 	while ((nbytes = walk.nbytes)) {  in cbc_encrypt()
164 		nbytes = __cbc_encrypt(desc, &walk);  in cbc_encrypt()
165 		err = blkcipher_walk_done(desc, &walk, nbytes);  in cbc_encrypt()
172 				  struct blkcipher_walk *walk)  in __cbc_decrypt()  argument
176 	unsigned int nbytes = walk->nbytes;  in __cbc_decrypt()
177 	u64 *src = (u64 *)walk->src.virt.addr;  in __cbc_decrypt()
178 	u64 *dst = (u64 *)walk->dst.virt.addr;  in __cbc_decrypt()
220 	*dst ^= *(u64 *)walk->iv;  in __cbc_decrypt()
221 	*(u64 *)walk->iv = last_iv;  in __cbc_decrypt()
230 	struct blkcipher_walk walk;  in cbc_decrypt()  local
233 	blkcipher_walk_init(&walk, dst, src, nbytes);  in cbc_decrypt()
234 	err = blkcipher_walk_virt(desc, &walk);  in cbc_decrypt()
237 	while ((nbytes = walk.nbytes)) {  in cbc_decrypt()
239 		nbytes = __cbc_decrypt(desc, &walk);  in cbc_decrypt()
240 		err = blkcipher_walk_done(desc, &walk, nbytes);  in cbc_decrypt()
248 			    struct blkcipher_walk *walk)  in ctr_crypt_final()  argument
251 	u8 *ctrblk = walk->iv;  in ctr_crypt_final()
253 	u8 *src = walk->src.virt.addr;  in ctr_crypt_final()
254 	u8 *dst = walk->dst.virt.addr;  in ctr_crypt_final()
255 	unsigned int nbytes = walk->nbytes;  in ctr_crypt_final()
265 				struct blkcipher_walk *walk)  in __ctr_crypt()  argument
269 	unsigned int nbytes = walk->nbytes;  in __ctr_crypt()
270 	u64 *src = (u64 *)walk->src.virt.addr;  in __ctr_crypt()
271 	u64 *dst = (u64 *)walk->dst.virt.addr;  in __ctr_crypt()
277 					(__be64 *)walk->iv);  in __ctr_crypt()
295 		ctrblk = *(u64 *)walk->iv;  in __ctr_crypt()
296 		be64_add_cpu((__be64 *)walk->iv, 1);  in __ctr_crypt()
314 	struct blkcipher_walk walk;  in ctr_crypt()  local
317 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ctr_crypt()
318 	err = blkcipher_walk_virt_block(desc, &walk, CAST5_BLOCK_SIZE);  in ctr_crypt()
321 	while ((nbytes = walk.nbytes) >= CAST5_BLOCK_SIZE) {  in ctr_crypt()
323 		nbytes = __ctr_crypt(desc, &walk);  in ctr_crypt()
324 		err = blkcipher_walk_done(desc, &walk, nbytes);  in ctr_crypt()
329 	if (walk.nbytes) {  in ctr_crypt()
330 		ctr_crypt_final(desc, &walk);  in ctr_crypt()
331 		err = blkcipher_walk_done(desc, &walk, 0);  in ctr_crypt()