crypto/s390x_arch.h

   1 /*
   2  * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #ifndef S390X_ARCH_H
  11 # define S390X_ARCH_H
  12
  13 # ifndef __ASSEMBLER__
  14
  15 void s390x_kimd(const unsigned char *in, size_t len, unsigned int fc,
  16                 void *param);
  17 void s390x_klmd(const unsigned char *in, size_t inlen, unsigned char *out,
  18                 size_t outlen, unsigned int fc, void *param);
  19 void s390x_km(const unsigned char *in, size_t len, unsigned char *out,
  20               unsigned int fc, void *param);
  21 void s390x_kmac(const unsigned char *in, size_t len, unsigned int fc,
  22                 void *param);
  23 void s390x_kmo(const unsigned char *in, size_t len, unsigned char *out,
  24                unsigned int fc, void *param);
  25 void s390x_kmf(const unsigned char *in, size_t len, unsigned char *out,
  26                unsigned int fc, void *param);
  27 void s390x_kma(const unsigned char *aad, size_t alen, const unsigned char *in,
  28                size_t len, unsigned char *out, unsigned int fc, void *param);
  29
  30 /*
  31  * The field elements of OPENSSL_s390xcap_P are the 64-bit words returned by
  32  * the STFLE instruction followed by the 64-bit word pairs returned by
  33  * instructions' QUERY functions. If STFLE returns fewer data or an instruction
  34  * is not supported, the corresponding field elements are zero.
  35  */
  36 struct OPENSSL_s390xcap_st {
  37     unsigned long long stfle[4];
  38     unsigned long long kimd[2];
  39     unsigned long long klmd[2];
  40     unsigned long long km[2];
  41     unsigned long long kmc[2];
  42     unsigned long long kmac[2];
  43     unsigned long long kmctr[2];
  44     unsigned long long kmo[2];
  45     unsigned long long kmf[2];
  46     unsigned long long prno[2];
  47     unsigned long long kma[2];
  48 };
  49
  50 extern struct OPENSSL_s390xcap_st OPENSSL_s390xcap_P;
  51
  52 /* Max number of 64-bit words currently returned by STFLE */
  53 #  define S390X_STFLE_MAX       3
  54
  55 /* convert facility bit number or function code to bit mask */
  56 #  define S390X_CAPBIT(i)       (1ULL << (63 - (i) % 64))
  57
  58 # endif
  59
  60 /* OPENSSL_s390xcap_P offsets [bytes] */
  61 # define S390X_STFLE            0x00
  62 # define S390X_KIMD             0x20
  63 # define S390X_KLMD             0x30
  64 # define S390X_KM               0x40
  65 # define S390X_KMC              0x50
  66 # define S390X_KMAC             0x60
  67 # define S390X_KMCTR            0x70
  68 # define S390X_KMO              0x80
  69 # define S390X_KMF              0x90
  70 # define S390X_PRNO             0xa0
  71 # define S390X_KMA              0xb0
  72
  73 /* Facility Bit Numbers */
  74 # define S390X_MSA              17      /* message-security-assist */
  75 # define S390X_STCKF            25      /* store-clock-fast */
  76 # define S390X_MSA5             57      /* message-security-assist-ext. 5 */
  77 # define S390X_MSA3             76      /* message-security-assist-ext. 3 */
  78 # define S390X_MSA4             77      /* message-security-assist-ext. 4 */
  79 # define S390X_VX               129     /* vector */
  80 # define S390X_VXD              134     /* vector packed decimal */
  81 # define S390X_VXE              135     /* vector enhancements 1 */
  82 # define S390X_MSA8             146     /* message-security-assist-ext. 8 */
  83
  84 /* Function Codes */
  85
  86 /* all instructions */
  87 # define S390X_QUERY            0
  88
  89 /* kimd/klmd */
  90 # define S390X_SHA_1            1
  91 # define S390X_SHA_256          2
  92 # define S390X_SHA_512          3
  93 # define S390X_SHA3_224         32
  94 # define S390X_SHA3_256         33
  95 # define S390X_SHA3_384         34
  96 # define S390X_SHA3_512         35
  97 # define S390X_SHAKE_128        36
  98 # define S390X_SHAKE_256        37
  99 # define S390X_GHASH            65
 100
 101 /* km/kmc/kmac/kmctr/kmo/kmf/kma */
 102 # define S390X_AES_128          18
 103 # define S390X_AES_192          19
 104 # define S390X_AES_256          20
 105
 106 /* km */
 107 # define S390X_XTS_AES_128      50
 108 # define S390X_XTS_AES_256      52
 109
 110 /* prno */
 111 # define S390X_SHA_512_DRNG     3
 112 # define S390X_TRNG             114
 113
 114 /* Register 0 Flags */
 115 # define S390X_DECRYPT          0x80
 116 # define S390X_KMA_LPC          0x100
 117 # define S390X_KMA_LAAD         0x200
 118 # define S390X_KMA_HS           0x400
 119
 120 #endif