25 #define BYTES2BLKS(nbytes)	((nbytes) >> 4)  argument
37 				   u8 *iv, unsigned int nbytes);
39 				   u8 *iv, unsigned int nbytes);
47 			       u8 *tweak, unsigned int nbytes,
50 			       u8 *tweak, unsigned int nbytes,
117 	unsigned int nbytes;  in sm4_ecb_do_crypt()  local
122 	while ((nbytes = walk.nbytes) > 0) {  in sm4_ecb_do_crypt()
129 		nblks = BYTES2BLKS(nbytes);  in sm4_ecb_do_crypt()
132 			nbytes -= nblks * SM4_BLOCK_SIZE;  in sm4_ecb_do_crypt()
137 		err = skcipher_walk_done(&walk, nbytes);  in sm4_ecb_do_crypt()
163 	unsigned int nbytes;  in sm4_cbc_crypt()  local
170 	while ((nbytes = walk.nbytes) > 0) {  in sm4_cbc_crypt()
175 		nblocks = nbytes / SM4_BLOCK_SIZE;  in sm4_cbc_crypt()
189 		err = skcipher_walk_done(&walk, nbytes % SM4_BLOCK_SIZE);  in sm4_cbc_crypt()
263 				   walk.src.virt.addr, walk.iv, walk.nbytes);  in sm4_cbc_cts_crypt()
266 				   walk.src.virt.addr, walk.iv, walk.nbytes);  in sm4_cbc_cts_crypt()
288 	unsigned int nbytes;  in sm4_cfb_encrypt()  local
293 	while ((nbytes = walk.nbytes) > 0) {  in sm4_cfb_encrypt()
300 		nblks = BYTES2BLKS(nbytes);  in sm4_cfb_encrypt()
305 			nbytes -= nblks * SM4_BLOCK_SIZE;  in sm4_cfb_encrypt()
309 		if (walk.nbytes == walk.total && nbytes > 0) {  in sm4_cfb_encrypt()
313 			crypto_xor_cpy(dst, src, keystream, nbytes);  in sm4_cfb_encrypt()
314 			nbytes = 0;  in sm4_cfb_encrypt()
319 		err = skcipher_walk_done(&walk, nbytes);  in sm4_cfb_encrypt()
330 	unsigned int nbytes;  in sm4_cfb_decrypt()  local
335 	while ((nbytes = walk.nbytes) > 0) {  in sm4_cfb_decrypt()
342 		nblks = BYTES2BLKS(nbytes);  in sm4_cfb_decrypt()
347 			nbytes -= nblks * SM4_BLOCK_SIZE;  in sm4_cfb_decrypt()
351 		if (walk.nbytes == walk.total && nbytes > 0) {  in sm4_cfb_decrypt()
355 			crypto_xor_cpy(dst, src, keystream, nbytes);  in sm4_cfb_decrypt()
356 			nbytes = 0;  in sm4_cfb_decrypt()
361 		err = skcipher_walk_done(&walk, nbytes);  in sm4_cfb_decrypt()
372 	unsigned int nbytes;  in sm4_ctr_crypt()  local
377 	while ((nbytes = walk.nbytes) > 0) {  in sm4_ctr_crypt()
384 		nblks = BYTES2BLKS(nbytes);  in sm4_ctr_crypt()
389 			nbytes -= nblks * SM4_BLOCK_SIZE;  in sm4_ctr_crypt()
393 		if (walk.nbytes == walk.total && nbytes > 0) {  in sm4_ctr_crypt()
398 			crypto_xor_cpy(dst, src, keystream, nbytes);  in sm4_ctr_crypt()
399 			nbytes = 0;  in sm4_ctr_crypt()
404 		err = skcipher_walk_done(&walk, nbytes);  in sm4_ctr_crypt()
420 	unsigned int nbytes;  in sm4_xts_crypt()  local
430 	if (unlikely(tail > 0 && walk.nbytes < walk.total)) {  in sm4_xts_crypt()
449 	while ((nbytes = walk.nbytes) >= SM4_BLOCK_SIZE) {  in sm4_xts_crypt()
450 		if (nbytes < walk.total)  in sm4_xts_crypt()
451 			nbytes &= ~(SM4_BLOCK_SIZE - 1);  in sm4_xts_crypt()
457 				       walk.src.virt.addr, walk.iv, nbytes,  in sm4_xts_crypt()
461 				       walk.src.virt.addr, walk.iv, nbytes,  in sm4_xts_crypt()
468 		err = skcipher_walk_done(&walk, walk.nbytes - nbytes);  in sm4_xts_crypt()
493 			       walk.src.virt.addr, walk.iv, walk.nbytes,  in sm4_xts_crypt()
497 			       walk.src.virt.addr, walk.iv, walk.nbytes,  in sm4_xts_crypt()