60 static int ecb_crypt(struct blkcipher_desc *desc, struct blkcipher_walk *walk,  in ecb_crypt()  argument
72 	err = blkcipher_walk_virt(desc, walk);  in ecb_crypt()
75 	while ((nbytes = walk->nbytes)) {  in ecb_crypt()
76 		u8 *wsrc = walk->src.virt.addr;  in ecb_crypt()
77 		u8 *wdst = walk->dst.virt.addr;  in ecb_crypt()
107 		err = blkcipher_walk_done(desc, walk, nbytes);  in ecb_crypt()
117 	struct blkcipher_walk walk;  in ecb_encrypt()  local
119 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ecb_encrypt()
120 	return ecb_crypt(desc, &walk, true);  in ecb_encrypt()
126 	struct blkcipher_walk walk;  in ecb_decrypt()  local
128 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ecb_decrypt()
129 	return ecb_crypt(desc, &walk, false);  in ecb_decrypt()
133 				  struct blkcipher_walk *walk)  in __cbc_encrypt()  argument
137 	unsigned int nbytes = walk->nbytes;  in __cbc_encrypt()
138 	u64 *src = (u64 *)walk->src.virt.addr;  in __cbc_encrypt()
139 	u64 *dst = (u64 *)walk->dst.virt.addr;  in __cbc_encrypt()
140 	u64 *iv = (u64 *)walk->iv;  in __cbc_encrypt()
152 	*(u64 *)walk->iv = *iv;  in __cbc_encrypt()
159 	struct blkcipher_walk walk;  in cbc_encrypt()  local
162 	blkcipher_walk_init(&walk, dst, src, nbytes);  in cbc_encrypt()
163 	err = blkcipher_walk_virt(desc, &walk);  in cbc_encrypt()
165 	while ((nbytes = walk.nbytes)) {  in cbc_encrypt()
166 		nbytes = __cbc_encrypt(desc, &walk);  in cbc_encrypt()
167 		err = blkcipher_walk_done(desc, &walk, nbytes);  in cbc_encrypt()
174 				  struct blkcipher_walk *walk)  in __cbc_decrypt()  argument
178 	unsigned int nbytes = walk->nbytes;  in __cbc_decrypt()
179 	u64 *src = (u64 *)walk->src.virt.addr;  in __cbc_decrypt()
180 	u64 *dst = (u64 *)walk->dst.virt.addr;  in __cbc_decrypt()
222 	*dst ^= *(u64 *)walk->iv;  in __cbc_decrypt()
223 	*(u64 *)walk->iv = last_iv;  in __cbc_decrypt()
232 	struct blkcipher_walk walk;  in cbc_decrypt()  local
235 	blkcipher_walk_init(&walk, dst, src, nbytes);  in cbc_decrypt()
236 	err = blkcipher_walk_virt(desc, &walk);  in cbc_decrypt()
239 	while ((nbytes = walk.nbytes)) {  in cbc_decrypt()
241 		nbytes = __cbc_decrypt(desc, &walk);  in cbc_decrypt()
242 		err = blkcipher_walk_done(desc, &walk, nbytes);  in cbc_decrypt()
250 			    struct blkcipher_walk *walk)  in ctr_crypt_final()  argument
253 	u8 *ctrblk = walk->iv;  in ctr_crypt_final()
255 	u8 *src = walk->src.virt.addr;  in ctr_crypt_final()
256 	u8 *dst = walk->dst.virt.addr;  in ctr_crypt_final()
257 	unsigned int nbytes = walk->nbytes;  in ctr_crypt_final()
267 				struct blkcipher_walk *walk)  in __ctr_crypt()  argument
271 	unsigned int nbytes = walk->nbytes;  in __ctr_crypt()
272 	u64 *src = (u64 *)walk->src.virt.addr;  in __ctr_crypt()
273 	u64 *dst = (u64 *)walk->dst.virt.addr;  in __ctr_crypt()
279 					(__be64 *)walk->iv);  in __ctr_crypt()
297 		ctrblk = *(u64 *)walk->iv;  in __ctr_crypt()
298 		be64_add_cpu((__be64 *)walk->iv, 1);  in __ctr_crypt()
316 	struct blkcipher_walk walk;  in ctr_crypt()  local
319 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ctr_crypt()
320 	err = blkcipher_walk_virt_block(desc, &walk, CAST5_BLOCK_SIZE);  in ctr_crypt()
323 	while ((nbytes = walk.nbytes) >= CAST5_BLOCK_SIZE) {  in ctr_crypt()
325 		nbytes = __ctr_crypt(desc, &walk);  in ctr_crypt()
326 		err = blkcipher_walk_done(desc, &walk, nbytes);  in ctr_crypt()
331 	if (walk.nbytes) {  in ctr_crypt()
332 		ctr_crypt_final(desc, &walk);  in ctr_crypt()
333 		err = blkcipher_walk_done(desc, &walk, 0);  in ctr_crypt()