49 static inline bool cast5_fpu_begin(bool fpu_enabled, unsigned int nbytes)  in cast5_fpu_begin()  argument
52 			      NULL, fpu_enabled, nbytes);  in cast5_fpu_begin()
66 	unsigned int nbytes;  in ecb_crypt()  local
75 	while ((nbytes = walk->nbytes)) {  in ecb_crypt()
79 		fpu_enabled = cast5_fpu_begin(fpu_enabled, nbytes);  in ecb_crypt()
82 		if (nbytes >= bsize * CAST5_PARALLEL_BLOCKS) {  in ecb_crypt()
88 				nbytes -= bsize * CAST5_PARALLEL_BLOCKS;  in ecb_crypt()
89 			} while (nbytes >= bsize * CAST5_PARALLEL_BLOCKS);  in ecb_crypt()
91 			if (nbytes < bsize)  in ecb_crypt()
103 			nbytes -= bsize;  in ecb_crypt()
104 		} while (nbytes >= bsize);  in ecb_crypt()
107 		err = blkcipher_walk_done(desc, walk, nbytes);  in ecb_crypt()
115 		       struct scatterlist *src, unsigned int nbytes)  in ecb_encrypt()  argument
119 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ecb_encrypt()
124 		       struct scatterlist *src, unsigned int nbytes)  in ecb_decrypt()  argument
128 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ecb_decrypt()
137 	unsigned int nbytes = walk->nbytes;  in __cbc_encrypt()  local
149 		nbytes -= bsize;  in __cbc_encrypt()
150 	} while (nbytes >= bsize);  in __cbc_encrypt()
153 	return nbytes;  in __cbc_encrypt()
157 		       struct scatterlist *src, unsigned int nbytes)  in cbc_encrypt()  argument
162 	blkcipher_walk_init(&walk, dst, src, nbytes);  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()
178 	unsigned int nbytes = walk->nbytes;  in __cbc_decrypt()  local
184 	src += nbytes / bsize - 1;  in __cbc_decrypt()
185 	dst += nbytes / bsize - 1;  in __cbc_decrypt()
190 	if (nbytes >= bsize * CAST5_PARALLEL_BLOCKS) {  in __cbc_decrypt()
192 			nbytes -= bsize * (CAST5_PARALLEL_BLOCKS - 1);  in __cbc_decrypt()
198 			nbytes -= bsize;  in __cbc_decrypt()
199 			if (nbytes < bsize)  in __cbc_decrypt()
205 		} while (nbytes >= bsize * CAST5_PARALLEL_BLOCKS);  in __cbc_decrypt()
212 		nbytes -= bsize;  in __cbc_decrypt()
213 		if (nbytes < bsize)  in __cbc_decrypt()
225 	return nbytes;  in __cbc_decrypt()
229 		       struct scatterlist *src, unsigned int nbytes)  in cbc_decrypt()  argument
235 	blkcipher_walk_init(&walk, dst, src, nbytes);  in cbc_decrypt()
239 	while ((nbytes = walk.nbytes)) {  in cbc_decrypt()
240 		fpu_enabled = cast5_fpu_begin(fpu_enabled, nbytes);  in cbc_decrypt()
241 		nbytes = __cbc_decrypt(desc, &walk);  in cbc_decrypt()
242 		err = blkcipher_walk_done(desc, &walk, nbytes);  in cbc_decrypt()
257 	unsigned int nbytes = walk->nbytes;  in ctr_crypt_final()  local
260 	crypto_xor(keystream, src, nbytes);  in ctr_crypt_final()
261 	memcpy(dst, keystream, nbytes);  in ctr_crypt_final()
271 	unsigned int nbytes = walk->nbytes;  in __ctr_crypt()  local
276 	if (nbytes >= bsize * CAST5_PARALLEL_BLOCKS) {  in __ctr_crypt()
283 			nbytes -= bsize * CAST5_PARALLEL_BLOCKS;  in __ctr_crypt()
284 		} while (nbytes >= bsize * CAST5_PARALLEL_BLOCKS);  in __ctr_crypt()
286 		if (nbytes < bsize)  in __ctr_crypt()
305 		nbytes -= bsize;  in __ctr_crypt()
306 	} while (nbytes >= bsize);  in __ctr_crypt()
309 	return nbytes;  in __ctr_crypt()
313 		     struct scatterlist *src, unsigned int nbytes)  in ctr_crypt()  argument
319 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ctr_crypt()
323 	while ((nbytes = walk.nbytes) >= CAST5_BLOCK_SIZE) {  in ctr_crypt()
324 		fpu_enabled = cast5_fpu_begin(fpu_enabled, nbytes);  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()