1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * CP Assist for Cryptographic Functions (CPACF)
4 *
5 * Copyright IBM Corp. 2003, 2023
6 * Author(s): Thomas Spatzier
7 * Jan Glauber
8 * Harald Freudenberger (freude@de.ibm.com)
9 * Martin Schwidefsky <schwidefsky@de.ibm.com>
10 */
11 #ifndef _ASM_S390_CPACF_H
12 #define _ASM_S390_CPACF_H
13
14 #include <asm/facility.h>
15
16 /*
17 * Instruction opcodes for the CPACF instructions
18 */
19 #define CPACF_KMAC 0xb91e /* MSA */
20 #define CPACF_KM 0xb92e /* MSA */
21 #define CPACF_KMC 0xb92f /* MSA */
22 #define CPACF_KIMD 0xb93e /* MSA */
23 #define CPACF_KLMD 0xb93f /* MSA */
24 #define CPACF_PCKMO 0xb928 /* MSA3 */
25 #define CPACF_KMF 0xb92a /* MSA4 */
26 #define CPACF_KMO 0xb92b /* MSA4 */
27 #define CPACF_PCC 0xb92c /* MSA4 */
28 #define CPACF_KMCTR 0xb92d /* MSA4 */
29 #define CPACF_PRNO 0xb93c /* MSA5 */
30 #define CPACF_KMA 0xb929 /* MSA8 */
31 #define CPACF_KDSA 0xb93a /* MSA9 */
32
33 /*
34 * En/decryption modifier bits
35 */
36 #define CPACF_ENCRYPT 0x00
37 #define CPACF_DECRYPT 0x80
38
39 /*
40 * Function codes for the KM (CIPHER MESSAGE) instruction
41 */
42 #define CPACF_KM_QUERY 0x00
43 #define CPACF_KM_DEA 0x01
44 #define CPACF_KM_TDEA_128 0x02
45 #define CPACF_KM_TDEA_192 0x03
46 #define CPACF_KM_AES_128 0x12
47 #define CPACF_KM_AES_192 0x13
48 #define CPACF_KM_AES_256 0x14
49 #define CPACF_KM_PAES_128 0x1a
50 #define CPACF_KM_PAES_192 0x1b
51 #define CPACF_KM_PAES_256 0x1c
52 #define CPACF_KM_XTS_128 0x32
53 #define CPACF_KM_XTS_256 0x34
54 #define CPACF_KM_PXTS_128 0x3a
55 #define CPACF_KM_PXTS_256 0x3c
56
57 /*
58 * Function codes for the KMC (CIPHER MESSAGE WITH CHAINING)
59 * instruction
60 */
61 #define CPACF_KMC_QUERY 0x00
62 #define CPACF_KMC_DEA 0x01
63 #define CPACF_KMC_TDEA_128 0x02
64 #define CPACF_KMC_TDEA_192 0x03
65 #define CPACF_KMC_AES_128 0x12
66 #define CPACF_KMC_AES_192 0x13
67 #define CPACF_KMC_AES_256 0x14
68 #define CPACF_KMC_PAES_128 0x1a
69 #define CPACF_KMC_PAES_192 0x1b
70 #define CPACF_KMC_PAES_256 0x1c
71 #define CPACF_KMC_PRNG 0x43
72
73 /*
74 * Function codes for the KMCTR (CIPHER MESSAGE WITH COUNTER)
75 * instruction
76 */
77 #define CPACF_KMCTR_QUERY 0x00
78 #define CPACF_KMCTR_DEA 0x01
79 #define CPACF_KMCTR_TDEA_128 0x02
80 #define CPACF_KMCTR_TDEA_192 0x03
81 #define CPACF_KMCTR_AES_128 0x12
82 #define CPACF_KMCTR_AES_192 0x13
83 #define CPACF_KMCTR_AES_256 0x14
84 #define CPACF_KMCTR_PAES_128 0x1a
85 #define CPACF_KMCTR_PAES_192 0x1b
86 #define CPACF_KMCTR_PAES_256 0x1c
87
88 /*
89 * Function codes for the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST)
90 * instruction
91 */
92 #define CPACF_KIMD_QUERY 0x00
93 #define CPACF_KIMD_SHA_1 0x01
94 #define CPACF_KIMD_SHA_256 0x02
95 #define CPACF_KIMD_SHA_512 0x03
96 #define CPACF_KIMD_SHA3_224 0x20
97 #define CPACF_KIMD_SHA3_256 0x21
98 #define CPACF_KIMD_SHA3_384 0x22
99 #define CPACF_KIMD_SHA3_512 0x23
100 #define CPACF_KIMD_GHASH 0x41
101
102 /*
103 * Function codes for the KLMD (COMPUTE LAST MESSAGE DIGEST)
104 * instruction
105 */
106 #define CPACF_KLMD_QUERY 0x00
107 #define CPACF_KLMD_SHA_1 0x01
108 #define CPACF_KLMD_SHA_256 0x02
109 #define CPACF_KLMD_SHA_512 0x03
110 #define CPACF_KLMD_SHA3_224 0x20
111 #define CPACF_KLMD_SHA3_256 0x21
112 #define CPACF_KLMD_SHA3_384 0x22
113 #define CPACF_KLMD_SHA3_512 0x23
114
115 /*
116 * function codes for the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE)
117 * instruction
118 */
119 #define CPACF_KMAC_QUERY 0x00
120 #define CPACF_KMAC_DEA 0x01
121 #define CPACF_KMAC_TDEA_128 0x02
122 #define CPACF_KMAC_TDEA_192 0x03
123
124 /*
125 * Function codes for the PCKMO (PERFORM CRYPTOGRAPHIC KEY MANAGEMENT)
126 * instruction
127 */
128 #define CPACF_PCKMO_QUERY 0x00
129 #define CPACF_PCKMO_ENC_DES_KEY 0x01
130 #define CPACF_PCKMO_ENC_TDES_128_KEY 0x02
131 #define CPACF_PCKMO_ENC_TDES_192_KEY 0x03
132 #define CPACF_PCKMO_ENC_AES_128_KEY 0x12
133 #define CPACF_PCKMO_ENC_AES_192_KEY 0x13
134 #define CPACF_PCKMO_ENC_AES_256_KEY 0x14
135 #define CPACF_PCKMO_ENC_ECC_P256_KEY 0x20
136 #define CPACF_PCKMO_ENC_ECC_P384_KEY 0x21
137 #define CPACF_PCKMO_ENC_ECC_P521_KEY 0x22
138 #define CPACF_PCKMO_ENC_ECC_ED25519_KEY 0x28
139 #define CPACF_PCKMO_ENC_ECC_ED448_KEY 0x29
140
141 /*
142 * Function codes for the PRNO (PERFORM RANDOM NUMBER OPERATION)
143 * instruction
144 */
145 #define CPACF_PRNO_QUERY 0x00
146 #define CPACF_PRNO_SHA512_DRNG_GEN 0x03
147 #define CPACF_PRNO_SHA512_DRNG_SEED 0x83
148 #define CPACF_PRNO_TRNG_Q_R2C_RATIO 0x70
149 #define CPACF_PRNO_TRNG 0x72
150
151 /*
152 * Function codes for the KMA (CIPHER MESSAGE WITH AUTHENTICATION)
153 * instruction
154 */
155 #define CPACF_KMA_QUERY 0x00
156 #define CPACF_KMA_GCM_AES_128 0x12
157 #define CPACF_KMA_GCM_AES_192 0x13
158 #define CPACF_KMA_GCM_AES_256 0x14
159
160 /*
161 * Flags for the KMA (CIPHER MESSAGE WITH AUTHENTICATION) instruction
162 */
163 #define CPACF_KMA_LPC 0x100 /* Last-Plaintext/Ciphertext */
164 #define CPACF_KMA_LAAD 0x200 /* Last-AAD */
165 #define CPACF_KMA_HS 0x400 /* Hash-subkey Supplied */
166
167 typedef struct { unsigned char bytes[16]; } cpacf_mask_t;
168
169 /**
170 * cpacf_query() - check if a specific CPACF function is available
171 * @opcode: the opcode of the crypto instruction
172 * @func: the function code to test for
173 *
174 * Executes the query function for the given crypto instruction @opcode
175 * and checks if @func is available
176 *
177 * Returns 1 if @func is available for @opcode, 0 otherwise
178 */
__cpacf_query(unsigned int opcode,cpacf_mask_t * mask)179 static __always_inline void __cpacf_query(unsigned int opcode, cpacf_mask_t *mask)
180 {
181 asm volatile(
182 " lghi 0,0\n" /* query function */
183 " lgr 1,%[mask]\n"
184 " spm 0\n" /* pckmo doesn't change the cc */
185 /* Parameter regs are ignored, but must be nonzero and unique */
186 "0: .insn rrf,%[opc] << 16,2,4,6,0\n"
187 " brc 1,0b\n" /* handle partial completion */
188 : "=m" (*mask)
189 : [mask] "d" ((unsigned long)mask), [opc] "i" (opcode)
190 : "cc", "0", "1");
191 }
192
__cpacf_check_opcode(unsigned int opcode)193 static __always_inline int __cpacf_check_opcode(unsigned int opcode)
194 {
195 switch (opcode) {
196 case CPACF_KMAC:
197 case CPACF_KM:
198 case CPACF_KMC:
199 case CPACF_KIMD:
200 case CPACF_KLMD:
201 return test_facility(17); /* check for MSA */
202 case CPACF_PCKMO:
203 return test_facility(76); /* check for MSA3 */
204 case CPACF_KMF:
205 case CPACF_KMO:
206 case CPACF_PCC:
207 case CPACF_KMCTR:
208 return test_facility(77); /* check for MSA4 */
209 case CPACF_PRNO:
210 return test_facility(57); /* check for MSA5 */
211 case CPACF_KMA:
212 return test_facility(146); /* check for MSA8 */
213 default:
214 BUG();
215 }
216 }
217
cpacf_query(unsigned int opcode,cpacf_mask_t * mask)218 static __always_inline int cpacf_query(unsigned int opcode, cpacf_mask_t *mask)
219 {
220 if (__cpacf_check_opcode(opcode)) {
221 __cpacf_query(opcode, mask);
222 return 1;
223 }
224 memset(mask, 0, sizeof(*mask));
225 return 0;
226 }
227
cpacf_test_func(cpacf_mask_t * mask,unsigned int func)228 static inline int cpacf_test_func(cpacf_mask_t *mask, unsigned int func)
229 {
230 return (mask->bytes[func >> 3] & (0x80 >> (func & 7))) != 0;
231 }
232
cpacf_query_func(unsigned int opcode,unsigned int func)233 static __always_inline int cpacf_query_func(unsigned int opcode, unsigned int func)
234 {
235 cpacf_mask_t mask;
236
237 if (cpacf_query(opcode, &mask))
238 return cpacf_test_func(&mask, func);
239 return 0;
240 }
241
242 /**
243 * cpacf_km() - executes the KM (CIPHER MESSAGE) instruction
244 * @func: the function code passed to KM; see CPACF_KM_xxx defines
245 * @param: address of parameter block; see POP for details on each func
246 * @dest: address of destination memory area
247 * @src: address of source memory area
248 * @src_len: length of src operand in bytes
249 *
250 * Returns 0 for the query func, number of processed bytes for
251 * encryption/decryption funcs
252 */
cpacf_km(unsigned long func,void * param,u8 * dest,const u8 * src,long src_len)253 static inline int cpacf_km(unsigned long func, void *param,
254 u8 *dest, const u8 *src, long src_len)
255 {
256 union register_pair d, s;
257
258 d.even = (unsigned long)dest;
259 s.even = (unsigned long)src;
260 s.odd = (unsigned long)src_len;
261 asm volatile(
262 " lgr 0,%[fc]\n"
263 " lgr 1,%[pba]\n"
264 "0: .insn rre,%[opc] << 16,%[dst],%[src]\n"
265 " brc 1,0b\n" /* handle partial completion */
266 : [src] "+&d" (s.pair), [dst] "+&d" (d.pair)
267 : [fc] "d" (func), [pba] "d" ((unsigned long)param),
268 [opc] "i" (CPACF_KM)
269 : "cc", "memory", "0", "1");
270
271 return src_len - s.odd;
272 }
273
274 /**
275 * cpacf_kmc() - executes the KMC (CIPHER MESSAGE WITH CHAINING) instruction
276 * @func: the function code passed to KM; see CPACF_KMC_xxx defines
277 * @param: address of parameter block; see POP for details on each func
278 * @dest: address of destination memory area
279 * @src: address of source memory area
280 * @src_len: length of src operand in bytes
281 *
282 * Returns 0 for the query func, number of processed bytes for
283 * encryption/decryption funcs
284 */
cpacf_kmc(unsigned long func,void * param,u8 * dest,const u8 * src,long src_len)285 static inline int cpacf_kmc(unsigned long func, void *param,
286 u8 *dest, const u8 *src, long src_len)
287 {
288 union register_pair d, s;
289
290 d.even = (unsigned long)dest;
291 s.even = (unsigned long)src;
292 s.odd = (unsigned long)src_len;
293 asm volatile(
294 " lgr 0,%[fc]\n"
295 " lgr 1,%[pba]\n"
296 "0: .insn rre,%[opc] << 16,%[dst],%[src]\n"
297 " brc 1,0b\n" /* handle partial completion */
298 : [src] "+&d" (s.pair), [dst] "+&d" (d.pair)
299 : [fc] "d" (func), [pba] "d" ((unsigned long)param),
300 [opc] "i" (CPACF_KMC)
301 : "cc", "memory", "0", "1");
302
303 return src_len - s.odd;
304 }
305
306 /**
307 * cpacf_kimd() - executes the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST)
308 * instruction
309 * @func: the function code passed to KM; see CPACF_KIMD_xxx defines
310 * @param: address of parameter block; see POP for details on each func
311 * @src: address of source memory area
312 * @src_len: length of src operand in bytes
313 */
cpacf_kimd(unsigned long func,void * param,const u8 * src,long src_len)314 static inline void cpacf_kimd(unsigned long func, void *param,
315 const u8 *src, long src_len)
316 {
317 union register_pair s;
318
319 s.even = (unsigned long)src;
320 s.odd = (unsigned long)src_len;
321 asm volatile(
322 " lgr 0,%[fc]\n"
323 " lgr 1,%[pba]\n"
324 "0: .insn rre,%[opc] << 16,0,%[src]\n"
325 " brc 1,0b\n" /* handle partial completion */
326 : [src] "+&d" (s.pair)
327 : [fc] "d" (func), [pba] "d" ((unsigned long)(param)),
328 [opc] "i" (CPACF_KIMD)
329 : "cc", "memory", "0", "1");
330 }
331
332 /**
333 * cpacf_klmd() - executes the KLMD (COMPUTE LAST MESSAGE DIGEST) instruction
334 * @func: the function code passed to KM; see CPACF_KLMD_xxx defines
335 * @param: address of parameter block; see POP for details on each func
336 * @src: address of source memory area
337 * @src_len: length of src operand in bytes
338 */
cpacf_klmd(unsigned long func,void * param,const u8 * src,long src_len)339 static inline void cpacf_klmd(unsigned long func, void *param,
340 const u8 *src, long src_len)
341 {
342 union register_pair s;
343
344 s.even = (unsigned long)src;
345 s.odd = (unsigned long)src_len;
346 asm volatile(
347 " lgr 0,%[fc]\n"
348 " lgr 1,%[pba]\n"
349 "0: .insn rre,%[opc] << 16,0,%[src]\n"
350 " brc 1,0b\n" /* handle partial completion */
351 : [src] "+&d" (s.pair)
352 : [fc] "d" (func), [pba] "d" ((unsigned long)param),
353 [opc] "i" (CPACF_KLMD)
354 : "cc", "memory", "0", "1");
355 }
356
357 /**
358 * cpacf_kmac() - executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE)
359 * instruction
360 * @func: the function code passed to KM; see CPACF_KMAC_xxx defines
361 * @param: address of parameter block; see POP for details on each func
362 * @src: address of source memory area
363 * @src_len: length of src operand in bytes
364 *
365 * Returns 0 for the query func, number of processed bytes for digest funcs
366 */
cpacf_kmac(unsigned long func,void * param,const u8 * src,long src_len)367 static inline int cpacf_kmac(unsigned long func, void *param,
368 const u8 *src, long src_len)
369 {
370 union register_pair s;
371
372 s.even = (unsigned long)src;
373 s.odd = (unsigned long)src_len;
374 asm volatile(
375 " lgr 0,%[fc]\n"
376 " lgr 1,%[pba]\n"
377 "0: .insn rre,%[opc] << 16,0,%[src]\n"
378 " brc 1,0b\n" /* handle partial completion */
379 : [src] "+&d" (s.pair)
380 : [fc] "d" (func), [pba] "d" ((unsigned long)param),
381 [opc] "i" (CPACF_KMAC)
382 : "cc", "memory", "0", "1");
383
384 return src_len - s.odd;
385 }
386
387 /**
388 * cpacf_kmctr() - executes the KMCTR (CIPHER MESSAGE WITH COUNTER) instruction
389 * @func: the function code passed to KMCTR; see CPACF_KMCTR_xxx defines
390 * @param: address of parameter block; see POP for details on each func
391 * @dest: address of destination memory area
392 * @src: address of source memory area
393 * @src_len: length of src operand in bytes
394 * @counter: address of counter value
395 *
396 * Returns 0 for the query func, number of processed bytes for
397 * encryption/decryption funcs
398 */
cpacf_kmctr(unsigned long func,void * param,u8 * dest,const u8 * src,long src_len,u8 * counter)399 static inline int cpacf_kmctr(unsigned long func, void *param, u8 *dest,
400 const u8 *src, long src_len, u8 *counter)
401 {
402 union register_pair d, s, c;
403
404 d.even = (unsigned long)dest;
405 s.even = (unsigned long)src;
406 s.odd = (unsigned long)src_len;
407 c.even = (unsigned long)counter;
408 asm volatile(
409 " lgr 0,%[fc]\n"
410 " lgr 1,%[pba]\n"
411 "0: .insn rrf,%[opc] << 16,%[dst],%[src],%[ctr],0\n"
412 " brc 1,0b\n" /* handle partial completion */
413 : [src] "+&d" (s.pair), [dst] "+&d" (d.pair),
414 [ctr] "+&d" (c.pair)
415 : [fc] "d" (func), [pba] "d" ((unsigned long)param),
416 [opc] "i" (CPACF_KMCTR)
417 : "cc", "memory", "0", "1");
418
419 return src_len - s.odd;
420 }
421
422 /**
423 * cpacf_prno() - executes the PRNO (PERFORM RANDOM NUMBER OPERATION)
424 * instruction
425 * @func: the function code passed to PRNO; see CPACF_PRNO_xxx defines
426 * @param: address of parameter block; see POP for details on each func
427 * @dest: address of destination memory area
428 * @dest_len: size of destination memory area in bytes
429 * @seed: address of seed data
430 * @seed_len: size of seed data in bytes
431 */
cpacf_prno(unsigned long func,void * param,u8 * dest,unsigned long dest_len,const u8 * seed,unsigned long seed_len)432 static inline void cpacf_prno(unsigned long func, void *param,
433 u8 *dest, unsigned long dest_len,
434 const u8 *seed, unsigned long seed_len)
435 {
436 union register_pair d, s;
437
438 d.even = (unsigned long)dest;
439 d.odd = (unsigned long)dest_len;
440 s.even = (unsigned long)seed;
441 s.odd = (unsigned long)seed_len;
442 asm volatile (
443 " lgr 0,%[fc]\n"
444 " lgr 1,%[pba]\n"
445 "0: .insn rre,%[opc] << 16,%[dst],%[seed]\n"
446 " brc 1,0b\n" /* handle partial completion */
447 : [dst] "+&d" (d.pair)
448 : [fc] "d" (func), [pba] "d" ((unsigned long)param),
449 [seed] "d" (s.pair), [opc] "i" (CPACF_PRNO)
450 : "cc", "memory", "0", "1");
451 }
452
453 /**
454 * cpacf_trng() - executes the TRNG subfunction of the PRNO instruction
455 * @ucbuf: buffer for unconditioned data
456 * @ucbuf_len: amount of unconditioned data to fetch in bytes
457 * @cbuf: buffer for conditioned data
458 * @cbuf_len: amount of conditioned data to fetch in bytes
459 */
cpacf_trng(u8 * ucbuf,unsigned long ucbuf_len,u8 * cbuf,unsigned long cbuf_len)460 static inline void cpacf_trng(u8 *ucbuf, unsigned long ucbuf_len,
461 u8 *cbuf, unsigned long cbuf_len)
462 {
463 union register_pair u, c;
464
465 u.even = (unsigned long)ucbuf;
466 u.odd = (unsigned long)ucbuf_len;
467 c.even = (unsigned long)cbuf;
468 c.odd = (unsigned long)cbuf_len;
469 asm volatile (
470 " lghi 0,%[fc]\n"
471 "0: .insn rre,%[opc] << 16,%[ucbuf],%[cbuf]\n"
472 " brc 1,0b\n" /* handle partial completion */
473 : [ucbuf] "+&d" (u.pair), [cbuf] "+&d" (c.pair)
474 : [fc] "K" (CPACF_PRNO_TRNG), [opc] "i" (CPACF_PRNO)
475 : "cc", "memory", "0");
476 }
477
478 /**
479 * cpacf_pcc() - executes the PCC (PERFORM CRYPTOGRAPHIC COMPUTATION)
480 * instruction
481 * @func: the function code passed to PCC; see CPACF_KM_xxx defines
482 * @param: address of parameter block; see POP for details on each func
483 */
cpacf_pcc(unsigned long func,void * param)484 static inline void cpacf_pcc(unsigned long func, void *param)
485 {
486 asm volatile(
487 " lgr 0,%[fc]\n"
488 " lgr 1,%[pba]\n"
489 "0: .insn rre,%[opc] << 16,0,0\n" /* PCC opcode */
490 " brc 1,0b\n" /* handle partial completion */
491 :
492 : [fc] "d" (func), [pba] "d" ((unsigned long)param),
493 [opc] "i" (CPACF_PCC)
494 : "cc", "memory", "0", "1");
495 }
496
497 /**
498 * cpacf_pckmo() - executes the PCKMO (PERFORM CRYPTOGRAPHIC KEY
499 * MANAGEMENT) instruction
500 * @func: the function code passed to PCKMO; see CPACF_PCKMO_xxx defines
501 * @param: address of parameter block; see POP for details on each func
502 *
503 * Returns 0.
504 */
cpacf_pckmo(long func,void * param)505 static inline void cpacf_pckmo(long func, void *param)
506 {
507 asm volatile(
508 " lgr 0,%[fc]\n"
509 " lgr 1,%[pba]\n"
510 " .insn rre,%[opc] << 16,0,0\n" /* PCKMO opcode */
511 :
512 : [fc] "d" (func), [pba] "d" ((unsigned long)param),
513 [opc] "i" (CPACF_PCKMO)
514 : "cc", "memory", "0", "1");
515 }
516
517 /**
518 * cpacf_kma() - executes the KMA (CIPHER MESSAGE WITH AUTHENTICATION)
519 * instruction
520 * @func: the function code passed to KMA; see CPACF_KMA_xxx defines
521 * @param: address of parameter block; see POP for details on each func
522 * @dest: address of destination memory area
523 * @src: address of source memory area
524 * @src_len: length of src operand in bytes
525 * @aad: address of additional authenticated data memory area
526 * @aad_len: length of aad operand in bytes
527 */
cpacf_kma(unsigned long func,void * param,u8 * dest,const u8 * src,unsigned long src_len,const u8 * aad,unsigned long aad_len)528 static inline void cpacf_kma(unsigned long func, void *param, u8 *dest,
529 const u8 *src, unsigned long src_len,
530 const u8 *aad, unsigned long aad_len)
531 {
532 union register_pair d, s, a;
533
534 d.even = (unsigned long)dest;
535 s.even = (unsigned long)src;
536 s.odd = (unsigned long)src_len;
537 a.even = (unsigned long)aad;
538 a.odd = (unsigned long)aad_len;
539 asm volatile(
540 " lgr 0,%[fc]\n"
541 " lgr 1,%[pba]\n"
542 "0: .insn rrf,%[opc] << 16,%[dst],%[src],%[aad],0\n"
543 " brc 1,0b\n" /* handle partial completion */
544 : [dst] "+&d" (d.pair), [src] "+&d" (s.pair),
545 [aad] "+&d" (a.pair)
546 : [fc] "d" (func), [pba] "d" ((unsigned long)param),
547 [opc] "i" (CPACF_KMA)
548 : "cc", "memory", "0", "1");
549 }
550
551 #endif /* _ASM_S390_CPACF_H */
552