arch/s390/include/asm/cpacf.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * CP Assist for Cryptographic Functions (CPACF)
   4  *
   5  * Copyright IBM Corp. 2003, 2017
   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
  32 /*
  33  * En/decryption modifier bits
  34  */
  35 #define CPACF_ENCRYPT           0x00
  36 #define CPACF_DECRYPT           0x80
  37
  38 /*
  39  * Function codes for the KM (CIPHER MESSAGE) instruction
  40  */
  41 #define CPACF_KM_QUERY          0x00
  42 #define CPACF_KM_DEA            0x01
  43 #define CPACF_KM_TDEA_128       0x02
  44 #define CPACF_KM_TDEA_192       0x03
  45 #define CPACF_KM_AES_128        0x12
  46 #define CPACF_KM_AES_192        0x13
  47 #define CPACF_KM_AES_256        0x14
  48 #define CPACF_KM_PAES_128       0x1a
  49 #define CPACF_KM_PAES_192       0x1b
  50 #define CPACF_KM_PAES_256       0x1c
  51 #define CPACF_KM_XTS_128        0x32
  52 #define CPACF_KM_XTS_256        0x34
  53 #define CPACF_KM_PXTS_128       0x3a
  54 #define CPACF_KM_PXTS_256       0x3c
  55
  56 /*
  57  * Function codes for the KMC (CIPHER MESSAGE WITH CHAINING)
  58  * instruction
  59  */
  60 #define CPACF_KMC_QUERY         0x00
  61 #define CPACF_KMC_DEA           0x01
  62 #define CPACF_KMC_TDEA_128      0x02
  63 #define CPACF_KMC_TDEA_192      0x03
  64 #define CPACF_KMC_AES_128       0x12
  65 #define CPACF_KMC_AES_192       0x13
  66 #define CPACF_KMC_AES_256       0x14
  67 #define CPACF_KMC_PAES_128      0x1a
  68 #define CPACF_KMC_PAES_192      0x1b
  69 #define CPACF_KMC_PAES_256      0x1c
  70 #define CPACF_KMC_PRNG          0x43
  71
  72 /*
  73  * Function codes for the KMCTR (CIPHER MESSAGE WITH COUNTER)
  74  * instruction
  75  */
  76 #define CPACF_KMCTR_QUERY       0x00
  77 #define CPACF_KMCTR_DEA         0x01
  78 #define CPACF_KMCTR_TDEA_128    0x02
  79 #define CPACF_KMCTR_TDEA_192    0x03
  80 #define CPACF_KMCTR_AES_128     0x12
  81 #define CPACF_KMCTR_AES_192     0x13
  82 #define CPACF_KMCTR_AES_256     0x14
  83 #define CPACF_KMCTR_PAES_128    0x1a
  84 #define CPACF_KMCTR_PAES_192    0x1b
  85 #define CPACF_KMCTR_PAES_256    0x1c
  86
  87 /*
  88  * Function codes for the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST)
  89  * instruction
  90  */
  91 #define CPACF_KIMD_QUERY        0x00
  92 #define CPACF_KIMD_SHA_1        0x01
  93 #define CPACF_KIMD_SHA_256      0x02
  94 #define CPACF_KIMD_SHA_512      0x03
  95 #define CPACF_KIMD_GHASH        0x41
  96
  97 /*
  98  * Function codes for the KLMD (COMPUTE LAST MESSAGE DIGEST)
  99  * instruction
 100  */
 101 #define CPACF_KLMD_QUERY        0x00
 102 #define CPACF_KLMD_SHA_1        0x01
 103 #define CPACF_KLMD_SHA_256      0x02
 104 #define CPACF_KLMD_SHA_512      0x03
 105
 106 /*
 107  * function codes for the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE)
 108  * instruction
 109  */
 110 #define CPACF_KMAC_QUERY        0x00
 111 #define CPACF_KMAC_DEA          0x01
 112 #define CPACF_KMAC_TDEA_128     0x02
 113 #define CPACF_KMAC_TDEA_192     0x03
 114
 115 /*
 116  * Function codes for the PCKMO (PERFORM CRYPTOGRAPHIC KEY MANAGEMENT)
 117  * instruction
 118  */
 119 #define CPACF_PCKMO_QUERY               0x00
 120 #define CPACF_PCKMO_ENC_DES_KEY         0x01
 121 #define CPACF_PCKMO_ENC_TDES_128_KEY    0x02
 122 #define CPACF_PCKMO_ENC_TDES_192_KEY    0x03
 123 #define CPACF_PCKMO_ENC_AES_128_KEY     0x12
 124 #define CPACF_PCKMO_ENC_AES_192_KEY     0x13
 125 #define CPACF_PCKMO_ENC_AES_256_KEY     0x14
 126
 127 /*
 128  * Function codes for the PRNO (PERFORM RANDOM NUMBER OPERATION)
 129  * instruction
 130  */
 131 #define CPACF_PRNO_QUERY                0x00
 132 #define CPACF_PRNO_SHA512_DRNG_GEN      0x03
 133 #define CPACF_PRNO_SHA512_DRNG_SEED     0x83
 134 #define CPACF_PRNO_TRNG_Q_R2C_RATIO     0x70
 135 #define CPACF_PRNO_TRNG                 0x72
 136
 137 /*
 138  * Function codes for the KMA (CIPHER MESSAGE WITH AUTHENTICATION)
 139  * instruction
 140  */
 141 #define CPACF_KMA_QUERY         0x00
 142 #define CPACF_KMA_GCM_AES_128   0x12
 143 #define CPACF_KMA_GCM_AES_192   0x13
 144 #define CPACF_KMA_GCM_AES_256   0x14
 145
 146 /*
 147  * Flags for the KMA (CIPHER MESSAGE WITH AUTHENTICATION) instruction
 148  */
 149 #define CPACF_KMA_LPC   0x100   /* Last-Plaintext/Ciphertext */
 150 #define CPACF_KMA_LAAD  0x200   /* Last-AAD */
 151 #define CPACF_KMA_HS    0x400   /* Hash-subkey Supplied */
 152
 153 typedef struct { unsigned char bytes[16]; } cpacf_mask_t;
 154
 155 /**
 156  * cpacf_query() - check if a specific CPACF function is available
 157  * @opcode: the opcode of the crypto instruction
 158  * @func: the function code to test for
 159  *
 160  * Executes the query function for the given crypto instruction @opcode
 161  * and checks if @func is available
 162  *
 163  * Returns 1 if @func is available for @opcode, 0 otherwise
 164  */
 165 static inline void __cpacf_query(unsigned int opcode, cpacf_mask_t *mask)
 166 {
 167         register unsigned long r0 asm("0") = 0; /* query function */
 168         register unsigned long r1 asm("1") = (unsigned long) mask;
 169
 170         asm volatile(
 171                 "       spm 0\n" /* pckmo doesn't change the cc */
 172                 /* Parameter regs are ignored, but must be nonzero and unique */
 173                 "0:     .insn   rrf,%[opc] << 16,2,4,6,0\n"
 174                 "       brc     1,0b\n" /* handle partial completion */
 175                 : "=m" (*mask)
 176                 : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (opcode)
 177                 : "cc");
 178 }
 179
 180 static inline int __cpacf_check_opcode(unsigned int opcode)
 181 {
 182         switch (opcode) {
 183         case CPACF_KMAC:
 184         case CPACF_KM:
 185         case CPACF_KMC:
 186         case CPACF_KIMD:
 187         case CPACF_KLMD:
 188                 return test_facility(17);       /* check for MSA */
 189         case CPACF_PCKMO:
 190                 return test_facility(76);       /* check for MSA3 */
 191         case CPACF_KMF:
 192         case CPACF_KMO:
 193         case CPACF_PCC:
 194         case CPACF_KMCTR:
 195                 return test_facility(77);       /* check for MSA4 */
 196         case CPACF_PRNO:
 197                 return test_facility(57);       /* check for MSA5 */
 198         case CPACF_KMA:
 199                 return test_facility(146);      /* check for MSA8 */
 200         default:
 201                 BUG();
 202         }
 203 }
 204
 205 static inline int cpacf_query(unsigned int opcode, cpacf_mask_t *mask)
 206 {
 207         if (__cpacf_check_opcode(opcode)) {
 208                 __cpacf_query(opcode, mask);
 209                 return 1;
 210         }
 211         memset(mask, 0, sizeof(*mask));
 212         return 0;
 213 }
 214
 215 static inline int cpacf_test_func(cpacf_mask_t *mask, unsigned int func)
 216 {
 217         return (mask->bytes[func >> 3] & (0x80 >> (func & 7))) != 0;
 218 }
 219
 220 static inline int cpacf_query_func(unsigned int opcode, unsigned int func)
 221 {
 222         cpacf_mask_t mask;
 223
 224         if (cpacf_query(opcode, &mask))
 225                 return cpacf_test_func(&mask, func);
 226         return 0;
 227 }
 228
 229 /**
 230  * cpacf_km() - executes the KM (CIPHER MESSAGE) instruction
 231  * @func: the function code passed to KM; see CPACF_KM_xxx defines
 232  * @param: address of parameter block; see POP for details on each func
 233  * @dest: address of destination memory area
 234  * @src: address of source memory area
 235  * @src_len: length of src operand in bytes
 236  *
 237  * Returns 0 for the query func, number of processed bytes for
 238  * encryption/decryption funcs
 239  */
 240 static inline int cpacf_km(unsigned long func, void *param,
 241                            u8 *dest, const u8 *src, long src_len)
 242 {
 243         register unsigned long r0 asm("0") = (unsigned long) func;
 244         register unsigned long r1 asm("1") = (unsigned long) param;
 245         register unsigned long r2 asm("2") = (unsigned long) src;
 246         register unsigned long r3 asm("3") = (unsigned long) src_len;
 247         register unsigned long r4 asm("4") = (unsigned long) dest;
 248
 249         asm volatile(
 250                 "0:     .insn   rre,%[opc] << 16,%[dst],%[src]\n"
 251                 "       brc     1,0b\n" /* handle partial completion */
 252                 : [src] "+a" (r2), [len] "+d" (r3), [dst] "+a" (r4)
 253                 : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KM)
 254                 : "cc", "memory");
 255
 256         return src_len - r3;
 257 }
 258
 259 /**
 260  * cpacf_kmc() - executes the KMC (CIPHER MESSAGE WITH CHAINING) instruction
 261  * @func: the function code passed to KM; see CPACF_KMC_xxx defines
 262  * @param: address of parameter block; see POP for details on each func
 263  * @dest: address of destination memory area
 264  * @src: address of source memory area
 265  * @src_len: length of src operand in bytes
 266  *
 267  * Returns 0 for the query func, number of processed bytes for
 268  * encryption/decryption funcs
 269  */
 270 static inline int cpacf_kmc(unsigned long func, void *param,
 271                             u8 *dest, const u8 *src, long src_len)
 272 {
 273         register unsigned long r0 asm("0") = (unsigned long) func;
 274         register unsigned long r1 asm("1") = (unsigned long) param;
 275         register unsigned long r2 asm("2") = (unsigned long) src;
 276         register unsigned long r3 asm("3") = (unsigned long) src_len;
 277         register unsigned long r4 asm("4") = (unsigned long) dest;
 278
 279         asm volatile(
 280                 "0:     .insn   rre,%[opc] << 16,%[dst],%[src]\n"
 281                 "       brc     1,0b\n" /* handle partial completion */
 282                 : [src] "+a" (r2), [len] "+d" (r3), [dst] "+a" (r4)
 283                 : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KMC)
 284                 : "cc", "memory");
 285
 286         return src_len - r3;
 287 }
 288
 289 /**
 290  * cpacf_kimd() - executes the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST)
 291  *                instruction
 292  * @func: the function code passed to KM; see CPACF_KIMD_xxx defines
 293  * @param: address of parameter block; see POP for details on each func
 294  * @src: address of source memory area
 295  * @src_len: length of src operand in bytes
 296  */
 297 static inline void cpacf_kimd(unsigned long func, void *param,
 298                               const u8 *src, long src_len)
 299 {
 300         register unsigned long r0 asm("0") = (unsigned long) func;
 301         register unsigned long r1 asm("1") = (unsigned long) param;
 302         register unsigned long r2 asm("2") = (unsigned long) src;
 303         register unsigned long r3 asm("3") = (unsigned long) src_len;
 304
 305         asm volatile(
 306                 "0:     .insn   rre,%[opc] << 16,0,%[src]\n"
 307                 "       brc     1,0b\n" /* handle partial completion */
 308                 : [src] "+a" (r2), [len] "+d" (r3)
 309                 : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KIMD)
 310                 : "cc", "memory");
 311 }
 312
 313 /**
 314  * cpacf_klmd() - executes the KLMD (COMPUTE LAST MESSAGE DIGEST) instruction
 315  * @func: the function code passed to KM; see CPACF_KLMD_xxx defines
 316  * @param: address of parameter block; see POP for details on each func
 317  * @src: address of source memory area
 318  * @src_len: length of src operand in bytes
 319  */
 320 static inline void cpacf_klmd(unsigned long func, void *param,
 321                               const u8 *src, long src_len)
 322 {
 323         register unsigned long r0 asm("0") = (unsigned long) func;
 324         register unsigned long r1 asm("1") = (unsigned long) param;
 325         register unsigned long r2 asm("2") = (unsigned long) src;
 326         register unsigned long r3 asm("3") = (unsigned long) src_len;
 327
 328         asm volatile(
 329                 "0:     .insn   rre,%[opc] << 16,0,%[src]\n"
 330                 "       brc     1,0b\n" /* handle partial completion */
 331                 : [src] "+a" (r2), [len] "+d" (r3)
 332                 : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KLMD)
 333                 : "cc", "memory");
 334 }
 335
 336 /**
 337  * cpacf_kmac() - executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE)
 338  *                instruction
 339  * @func: the function code passed to KM; see CPACF_KMAC_xxx defines
 340  * @param: address of parameter block; see POP for details on each func
 341  * @src: address of source memory area
 342  * @src_len: length of src operand in bytes
 343  *
 344  * Returns 0 for the query func, number of processed bytes for digest funcs
 345  */
 346 static inline int cpacf_kmac(unsigned long func, void *param,
 347                              const u8 *src, long src_len)
 348 {
 349         register unsigned long r0 asm("0") = (unsigned long) func;
 350         register unsigned long r1 asm("1") = (unsigned long) param;
 351         register unsigned long r2 asm("2") = (unsigned long) src;
 352         register unsigned long r3 asm("3") = (unsigned long) src_len;
 353
 354         asm volatile(
 355                 "0:     .insn   rre,%[opc] << 16,0,%[src]\n"
 356                 "       brc     1,0b\n" /* handle partial completion */
 357                 : [src] "+a" (r2), [len] "+d" (r3)
 358                 : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KMAC)
 359                 : "cc", "memory");
 360
 361         return src_len - r3;
 362 }
 363
 364 /**
 365  * cpacf_kmctr() - executes the KMCTR (CIPHER MESSAGE WITH COUNTER) instruction
 366  * @func: the function code passed to KMCTR; see CPACF_KMCTR_xxx defines
 367  * @param: address of parameter block; see POP for details on each func
 368  * @dest: address of destination memory area
 369  * @src: address of source memory area
 370  * @src_len: length of src operand in bytes
 371  * @counter: address of counter value
 372  *
 373  * Returns 0 for the query func, number of processed bytes for
 374  * encryption/decryption funcs
 375  */
 376 static inline int cpacf_kmctr(unsigned long func, void *param, u8 *dest,
 377                               const u8 *src, long src_len, u8 *counter)
 378 {
 379         register unsigned long r0 asm("0") = (unsigned long) func;
 380         register unsigned long r1 asm("1") = (unsigned long) param;
 381         register unsigned long r2 asm("2") = (unsigned long) src;
 382         register unsigned long r3 asm("3") = (unsigned long) src_len;
 383         register unsigned long r4 asm("4") = (unsigned long) dest;
 384         register unsigned long r6 asm("6") = (unsigned long) counter;
 385
 386         asm volatile(
 387                 "0:     .insn   rrf,%[opc] << 16,%[dst],%[src],%[ctr],0\n"
 388                 "       brc     1,0b\n" /* handle partial completion */
 389                 : [src] "+a" (r2), [len] "+d" (r3),
 390                   [dst] "+a" (r4), [ctr] "+a" (r6)
 391                 : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KMCTR)
 392                 : "cc", "memory");
 393
 394         return src_len - r3;
 395 }
 396
 397 /**
 398  * cpacf_prno() - executes the PRNO (PERFORM RANDOM NUMBER OPERATION)
 399  *                instruction
 400  * @func: the function code passed to PRNO; see CPACF_PRNO_xxx defines
 401  * @param: address of parameter block; see POP for details on each func
 402  * @dest: address of destination memory area
 403  * @dest_len: size of destination memory area in bytes
 404  * @seed: address of seed data
 405  * @seed_len: size of seed data in bytes
 406  */
 407 static inline void cpacf_prno(unsigned long func, void *param,
 408                               u8 *dest, unsigned long dest_len,
 409                               const u8 *seed, unsigned long seed_len)
 410 {
 411         register unsigned long r0 asm("0") = (unsigned long) func;
 412         register unsigned long r1 asm("1") = (unsigned long) param;
 413         register unsigned long r2 asm("2") = (unsigned long) dest;
 414         register unsigned long r3 asm("3") = (unsigned long) dest_len;
 415         register unsigned long r4 asm("4") = (unsigned long) seed;
 416         register unsigned long r5 asm("5") = (unsigned long) seed_len;
 417
 418         asm volatile (
 419                 "0:     .insn   rre,%[opc] << 16,%[dst],%[seed]\n"
 420                 "       brc     1,0b\n"   /* handle partial completion */
 421                 : [dst] "+a" (r2), [dlen] "+d" (r3)
 422                 : [fc] "d" (r0), [pba] "a" (r1),
 423                   [seed] "a" (r4), [slen] "d" (r5), [opc] "i" (CPACF_PRNO)
 424                 : "cc", "memory");
 425 }
 426
 427 /**
 428  * cpacf_trng() - executes the TRNG subfunction of the PRNO instruction
 429  * @ucbuf: buffer for unconditioned data
 430  * @ucbuf_len: amount of unconditioned data to fetch in bytes
 431  * @cbuf: buffer for conditioned data
 432  * @cbuf_len: amount of conditioned data to fetch in bytes
 433  */
 434 static inline void cpacf_trng(u8 *ucbuf, unsigned long ucbuf_len,
 435                               u8 *cbuf, unsigned long cbuf_len)
 436 {
 437         register unsigned long r0 asm("0") = (unsigned long) CPACF_PRNO_TRNG;
 438         register unsigned long r2 asm("2") = (unsigned long) ucbuf;
 439         register unsigned long r3 asm("3") = (unsigned long) ucbuf_len;
 440         register unsigned long r4 asm("4") = (unsigned long) cbuf;
 441         register unsigned long r5 asm("5") = (unsigned long) cbuf_len;
 442
 443         asm volatile (
 444                 "0:     .insn   rre,%[opc] << 16,%[ucbuf],%[cbuf]\n"
 445                 "       brc     1,0b\n"   /* handle partial completion */
 446                 : [ucbuf] "+a" (r2), [ucbuflen] "+d" (r3),
 447                   [cbuf] "+a" (r4), [cbuflen] "+d" (r5)
 448                 : [fc] "d" (r0), [opc] "i" (CPACF_PRNO)
 449                 : "cc", "memory");
 450 }
 451
 452 /**
 453  * cpacf_pcc() - executes the PCC (PERFORM CRYPTOGRAPHIC COMPUTATION)
 454  *               instruction
 455  * @func: the function code passed to PCC; see CPACF_KM_xxx defines
 456  * @param: address of parameter block; see POP for details on each func
 457  */
 458 static inline void cpacf_pcc(unsigned long func, void *param)
 459 {
 460         register unsigned long r0 asm("0") = (unsigned long) func;
 461         register unsigned long r1 asm("1") = (unsigned long) param;
 462
 463         asm volatile(
 464                 "0:     .insn   rre,%[opc] << 16,0,0\n" /* PCC opcode */
 465                 "       brc     1,0b\n" /* handle partial completion */
 466                 :
 467                 : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_PCC)
 468                 : "cc", "memory");
 469 }
 470
 471 /**
 472  * cpacf_pckmo() - executes the PCKMO (PERFORM CRYPTOGRAPHIC KEY
 473  *                MANAGEMENT) instruction
 474  * @func: the function code passed to PCKMO; see CPACF_PCKMO_xxx defines
 475  * @param: address of parameter block; see POP for details on each func
 476  *
 477  * Returns 0.
 478  */
 479 static inline void cpacf_pckmo(long func, void *param)
 480 {
 481         register unsigned long r0 asm("0") = (unsigned long) func;
 482         register unsigned long r1 asm("1") = (unsigned long) param;
 483
 484         asm volatile(
 485                 "       .insn   rre,%[opc] << 16,0,0\n" /* PCKMO opcode */
 486                 :
 487                 : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_PCKMO)
 488                 : "cc", "memory");
 489 }
 490
 491 /**
 492  * cpacf_kma() - executes the KMA (CIPHER MESSAGE WITH AUTHENTICATION)
 493  *               instruction
 494  * @func: the function code passed to KMA; see CPACF_KMA_xxx defines
 495  * @param: address of parameter block; see POP for details on each func
 496  * @dest: address of destination memory area
 497  * @src: address of source memory area
 498  * @src_len: length of src operand in bytes
 499  * @aad: address of additional authenticated data memory area
 500  * @aad_len: length of aad operand in bytes
 501  */
 502 static inline void cpacf_kma(unsigned long func, void *param, u8 *dest,
 503                              const u8 *src, unsigned long src_len,
 504                              const u8 *aad, unsigned long aad_len)
 505 {
 506         register unsigned long r0 asm("0") = (unsigned long) func;
 507         register unsigned long r1 asm("1") = (unsigned long) param;
 508         register unsigned long r2 asm("2") = (unsigned long) src;
 509         register unsigned long r3 asm("3") = (unsigned long) src_len;
 510         register unsigned long r4 asm("4") = (unsigned long) aad;
 511         register unsigned long r5 asm("5") = (unsigned long) aad_len;
 512         register unsigned long r6 asm("6") = (unsigned long) dest;
 513
 514         asm volatile(
 515                 "0:     .insn   rrf,%[opc] << 16,%[dst],%[src],%[aad],0\n"
 516                 "       brc     1,0b\n" /* handle partial completion */
 517                 : [dst] "+a" (r6), [src] "+a" (r2), [slen] "+d" (r3),
 518                   [aad] "+a" (r4), [alen] "+d" (r5)
 519                 : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KMA)
 520                 : "cc", "memory");
 521 }
 522
 523 #endif  /* _ASM_S390_CPACF_H */