78 	struct skcipher_walk walk;  in ecb_crypt()  local
82 	err = skcipher_walk_virt(&walk, req, false);  in ecb_crypt()
84 	while ((nbytes = walk.nbytes)) {  in ecb_crypt()
85 		u8 *wsrc = walk.src.virt.addr;  in ecb_crypt()
86 		u8 *wdst = walk.dst.virt.addr;  in ecb_crypt()
112 		err = skcipher_walk_done(&walk, nbytes);  in ecb_crypt()
129 				  struct skcipher_walk *walk)  in __cbc_encrypt()  argument
132 	unsigned int nbytes = walk->nbytes;  in __cbc_encrypt()
133 	u64 *src = (u64 *)walk->src.virt.addr;  in __cbc_encrypt()
134 	u64 *dst = (u64 *)walk->dst.virt.addr;  in __cbc_encrypt()
135 	u64 *iv = (u64 *)walk->iv;  in __cbc_encrypt()
147 	*(u64 *)walk->iv = *iv;  in __cbc_encrypt()
155 	struct skcipher_walk walk;  in cbc_encrypt()  local
159 	err = skcipher_walk_virt(&walk, req, false);  in cbc_encrypt()
161 	while ((nbytes = walk.nbytes)) {  in cbc_encrypt()
162 		nbytes = __cbc_encrypt(ctx, &walk);  in cbc_encrypt()
163 		err = skcipher_walk_done(&walk, nbytes);  in cbc_encrypt()
170 				  struct skcipher_walk *walk)  in __cbc_decrypt()  argument
173 	unsigned int nbytes = walk->nbytes;  in __cbc_decrypt()
174 	u64 *src = (u64 *)walk->src.virt.addr;  in __cbc_decrypt()
175 	u64 *dst = (u64 *)walk->dst.virt.addr;  in __cbc_decrypt()
226 	*dst ^= *(u64 *)walk->iv;  in __cbc_decrypt()
227 	*(u64 *)walk->iv = last_iv;  in __cbc_decrypt()
236 	struct skcipher_walk walk;  in cbc_decrypt()  local
240 	err = skcipher_walk_virt(&walk, req, false);  in cbc_decrypt()
242 	while ((nbytes = walk.nbytes)) {  in cbc_decrypt()
243 		nbytes = __cbc_decrypt(ctx, &walk);  in cbc_decrypt()
244 		err = skcipher_walk_done(&walk, nbytes);  in cbc_decrypt()
250 static void ctr_crypt_final(struct bf_ctx *ctx, struct skcipher_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()
264 static unsigned int __ctr_crypt(struct bf_ctx *ctx, struct skcipher_walk *walk)  in __ctr_crypt()  argument
267 	unsigned int nbytes = walk->nbytes;  in __ctr_crypt()
268 	u64 *src = (u64 *)walk->src.virt.addr;  in __ctr_crypt()
269 	u64 *dst = (u64 *)walk->dst.virt.addr;  in __ctr_crypt()
270 	u64 ctrblk = be64_to_cpu(*(__be64 *)walk->iv);  in __ctr_crypt()
314 	*(__be64 *)walk->iv = cpu_to_be64(ctrblk);  in __ctr_crypt()
322 	struct skcipher_walk walk;  in ctr_crypt()  local
326 	err = skcipher_walk_virt(&walk, req, false);  in ctr_crypt()
328 	while ((nbytes = walk.nbytes) >= BF_BLOCK_SIZE) {  in ctr_crypt()
329 		nbytes = __ctr_crypt(ctx, &walk);  in ctr_crypt()
330 		err = skcipher_walk_done(&walk, nbytes);  in ctr_crypt()
334 		ctr_crypt_final(ctx, &walk);  in ctr_crypt()
335 		err = skcipher_walk_done(&walk, 0);  in ctr_crypt()