35 static inline bool cast5_fpu_begin(bool fpu_enabled, struct skcipher_walk *walk,  in cast5_fpu_begin()  argument
39 			      walk, fpu_enabled, nbytes);  in cast5_fpu_begin()
52 	struct skcipher_walk walk;  in ecb_crypt()  local
58 	err = skcipher_walk_virt(&walk, req, false);  in ecb_crypt()
60 	while ((nbytes = walk.nbytes)) {  in ecb_crypt()
61 		u8 *wsrc = walk.src.virt.addr;  in ecb_crypt()
62 		u8 *wdst = walk.dst.virt.addr;  in ecb_crypt()
64 		fpu_enabled = cast5_fpu_begin(fpu_enabled, &walk, nbytes);  in ecb_crypt()
93 		err = skcipher_walk_done(&walk, nbytes);  in ecb_crypt()
115 	struct skcipher_walk walk;  in cbc_encrypt()  local
119 	err = skcipher_walk_virt(&walk, req, false);  in cbc_encrypt()
121 	while ((nbytes = walk.nbytes)) {  in cbc_encrypt()
122 		u64 *src = (u64 *)walk.src.virt.addr;  in cbc_encrypt()
123 		u64 *dst = (u64 *)walk.dst.virt.addr;  in cbc_encrypt()
124 		u64 *iv = (u64 *)walk.iv;  in cbc_encrypt()
135 		*(u64 *)walk.iv = *iv;  in cbc_encrypt()
136 		err = skcipher_walk_done(&walk, nbytes);  in cbc_encrypt()
143 				  struct skcipher_walk *walk)  in __cbc_decrypt()  argument
146 	unsigned int nbytes = walk->nbytes;  in __cbc_decrypt()
147 	u64 *src = (u64 *)walk->src.virt.addr;  in __cbc_decrypt()
148 	u64 *dst = (u64 *)walk->dst.virt.addr;  in __cbc_decrypt()
190 	*dst ^= *(u64 *)walk->iv;  in __cbc_decrypt()
191 	*(u64 *)walk->iv = last_iv;  in __cbc_decrypt()
201 	struct skcipher_walk walk;  in cbc_decrypt()  local
205 	err = skcipher_walk_virt(&walk, req, false);  in cbc_decrypt()
207 	while ((nbytes = walk.nbytes)) {  in cbc_decrypt()
208 		fpu_enabled = cast5_fpu_begin(fpu_enabled, &walk, nbytes);  in cbc_decrypt()
209 		nbytes = __cbc_decrypt(ctx, &walk);  in cbc_decrypt()
210 		err = skcipher_walk_done(&walk, nbytes);  in cbc_decrypt()
217 static void ctr_crypt_final(struct skcipher_walk *walk, struct cast5_ctx *ctx)  in ctr_crypt_final()  argument
219 	u8 *ctrblk = walk->iv;  in ctr_crypt_final()
221 	u8 *src = walk->src.virt.addr;  in ctr_crypt_final()
222 	u8 *dst = walk->dst.virt.addr;  in ctr_crypt_final()
223 	unsigned int nbytes = walk->nbytes;  in ctr_crypt_final()
231 static unsigned int __ctr_crypt(struct skcipher_walk *walk,  in __ctr_crypt()  argument
235 	unsigned int nbytes = walk->nbytes;  in __ctr_crypt()
236 	u64 *src = (u64 *)walk->src.virt.addr;  in __ctr_crypt()
237 	u64 *dst = (u64 *)walk->dst.virt.addr;  in __ctr_crypt()
243 					(__be64 *)walk->iv);  in __ctr_crypt()
261 		ctrblk = *(u64 *)walk->iv;  in __ctr_crypt()
262 		be64_add_cpu((__be64 *)walk->iv, 1);  in __ctr_crypt()
281 	struct skcipher_walk walk;  in ctr_crypt()  local
285 	err = skcipher_walk_virt(&walk, req, false);  in ctr_crypt()
287 	while ((nbytes = walk.nbytes) >= CAST5_BLOCK_SIZE) {  in ctr_crypt()
288 		fpu_enabled = cast5_fpu_begin(fpu_enabled, &walk, nbytes);  in ctr_crypt()
289 		nbytes = __ctr_crypt(&walk, ctx);  in ctr_crypt()
290 		err = skcipher_walk_done(&walk, nbytes);  in ctr_crypt()
295 	if (walk.nbytes) {  in ctr_crypt()
296 		ctr_crypt_final(&walk, ctx);  in ctr_crypt()
297 		err = skcipher_walk_done(&walk, 0);  in ctr_crypt()