target/s390x/cpu_features.c

   1 /*
   2  * CPU features/facilities for s390x
   3  *
   4  * Copyright IBM Corp. 2016, 2018
   5  *
   6  * Author(s): David Hildenbrand <dahi@linux.vnet.ibm.com>
   7  *
   8  * This work is licensed under the terms of the GNU GPL, version 2 or (at
   9  * your option) any later version. See the COPYING file in the top-level
  10  * directory.
  11  */
  12
  13 #include "qemu/osdep.h"
  14 #include "qemu/module.h"
  15 #include "cpu_features.h"
  16
  17 #define FEAT_INIT(_name, _type, _bit, _desc) \
  18     {                                                \
  19         .name = _name,                               \
  20         .type = _type,                               \
  21         .bit = _bit,                                 \
  22         .desc = _desc,                               \
  23     }
  24
  25 /* S390FeatDef.bit is not applicable as there is no feature block. */
  26 #define FEAT_INIT_MISC(_name, _desc)                 \
  27             FEAT_INIT(_name, S390_FEAT_TYPE_MISC, 0, _desc)
  28
  29 /* indexed by feature number for easy lookup */
  30 static const S390FeatDef s390_features[] = {
  31     FEAT_INIT("esan3", S390_FEAT_TYPE_STFL, 0, "Instructions marked as n3"),
  32     FEAT_INIT("zarch", S390_FEAT_TYPE_STFL, 1, "z/Architecture architectural mode"),
  33     FEAT_INIT("dateh", S390_FEAT_TYPE_STFL, 3, "DAT-enhancement facility"),
  34     FEAT_INIT("idtes", S390_FEAT_TYPE_STFL, 4, "IDTE selective TLB segment-table clearing"),
  35     FEAT_INIT("idter", S390_FEAT_TYPE_STFL, 5, "IDTE selective TLB region-table clearing"),
  36     FEAT_INIT("asnlxr", S390_FEAT_TYPE_STFL, 6, "ASN-and-LX reuse facility"),
  37     FEAT_INIT("stfle", S390_FEAT_TYPE_STFL, 7, "Store-facility-list-extended facility"),
  38     FEAT_INIT("edat", S390_FEAT_TYPE_STFL, 8, "Enhanced-DAT facility"),
  39     FEAT_INIT("srs", S390_FEAT_TYPE_STFL, 9, "Sense-running-status facility"),
  40     FEAT_INIT("csske", S390_FEAT_TYPE_STFL, 10, "Conditional-SSKE facility"),
  41     FEAT_INIT("ctop", S390_FEAT_TYPE_STFL, 11, "Configuration-topology facility"),
  42     FEAT_INIT("apqci", S390_FEAT_TYPE_STFL, 12, "Query AP Configuration Information facility"),
  43     FEAT_INIT("ipter", S390_FEAT_TYPE_STFL, 13, "IPTE-range facility"),
  44     FEAT_INIT("nonqks", S390_FEAT_TYPE_STFL, 14, "Nonquiescing key-setting facility"),
  45     FEAT_INIT("apft", S390_FEAT_TYPE_STFL, 15, "AP Facilities Test facility"),
  46     FEAT_INIT("etf2", S390_FEAT_TYPE_STFL, 16, "Extended-translation facility 2"),
  47     FEAT_INIT("msa-base", S390_FEAT_TYPE_STFL, 17, "Message-security-assist facility (excluding subfunctions)"),
  48     FEAT_INIT("ldisp", S390_FEAT_TYPE_STFL, 18, "Long-displacement facility"),
  49     FEAT_INIT("ldisphp", S390_FEAT_TYPE_STFL, 19, "Long-displacement facility has high performance"),
  50     FEAT_INIT("hfpm", S390_FEAT_TYPE_STFL, 20, "HFP-multiply-add/subtract facility"),
  51     FEAT_INIT("eimm", S390_FEAT_TYPE_STFL, 21, "Extended-immediate facility"),
  52     FEAT_INIT("etf3", S390_FEAT_TYPE_STFL, 22, "Extended-translation facility 3"),
  53     FEAT_INIT("hfpue", S390_FEAT_TYPE_STFL, 23, "HFP-unnormalized-extension facility"),
  54     FEAT_INIT("etf2eh", S390_FEAT_TYPE_STFL, 24, "ETF2-enhancement facility"),
  55     FEAT_INIT("stckf", S390_FEAT_TYPE_STFL, 25, "Store-clock-fast facility"),
  56     FEAT_INIT("parseh", S390_FEAT_TYPE_STFL, 26, "Parsing-enhancement facility"),
  57     FEAT_INIT("mvcos", S390_FEAT_TYPE_STFL, 27, "Move-with-optional-specification facility"),
  58     FEAT_INIT("tods-base", S390_FEAT_TYPE_STFL, 28, "TOD-clock-steering facility (excluding subfunctions)"),
  59     FEAT_INIT("etf3eh", S390_FEAT_TYPE_STFL, 30, "ETF3-enhancement facility"),
  60     FEAT_INIT("ectg", S390_FEAT_TYPE_STFL, 31, "Extract-CPU-time facility"),
  61     FEAT_INIT("csst", S390_FEAT_TYPE_STFL, 32, "Compare-and-swap-and-store facility"),
  62     FEAT_INIT("csst2", S390_FEAT_TYPE_STFL, 33, "Compare-and-swap-and-store facility 2"),
  63     FEAT_INIT("ginste", S390_FEAT_TYPE_STFL, 34, "General-instructions-extension facility"),
  64     FEAT_INIT("exrl", S390_FEAT_TYPE_STFL, 35, "Execute-extensions facility"),
  65     FEAT_INIT("emon", S390_FEAT_TYPE_STFL, 36, "Enhanced-monitor facility"),
  66     FEAT_INIT("fpe", S390_FEAT_TYPE_STFL, 37, "Floating-point extension facility"),
  67     FEAT_INIT("opc", S390_FEAT_TYPE_STFL, 38, "Order Preserving Compression facility"),
  68     FEAT_INIT("sprogp", S390_FEAT_TYPE_STFL, 40, "Set-program-parameters facility"),
  69     FEAT_INIT("fpseh", S390_FEAT_TYPE_STFL, 41, "Floating-point-support-enhancement facilities"),
  70     FEAT_INIT("dfp", S390_FEAT_TYPE_STFL, 42, "DFP (decimal-floating-point) facility"),
  71     FEAT_INIT("dfphp", S390_FEAT_TYPE_STFL, 43, "DFP (decimal-floating-point) facility has high performance"),
  72     FEAT_INIT("pfpo", S390_FEAT_TYPE_STFL, 44, "PFPO instruction"),
  73     FEAT_INIT("stfle45", S390_FEAT_TYPE_STFL, 45, "Various facilities introduced with z196"),
  74     FEAT_INIT("cmpsceh", S390_FEAT_TYPE_STFL, 47, "CMPSC-enhancement facility"),
  75     FEAT_INIT("dfpzc", S390_FEAT_TYPE_STFL, 48, "Decimal-floating-point zoned-conversion facility"),
  76     FEAT_INIT("stfle49", S390_FEAT_TYPE_STFL, 49, "Various facilities introduced with zEC12"),
  77     FEAT_INIT("cte", S390_FEAT_TYPE_STFL, 50, "Constrained transactional-execution facility"),
  78     FEAT_INIT("ltlbc", S390_FEAT_TYPE_STFL, 51, "Local-TLB-clearing facility"),
  79     FEAT_INIT("iacc2", S390_FEAT_TYPE_STFL, 52, "Interlocked-access facility 2"),
  80     FEAT_INIT("stfle53", S390_FEAT_TYPE_STFL, 53, "Various facilities introduced with z13"),
  81     FEAT_INIT("eec", S390_FEAT_TYPE_STFL, 54, "Entropy encoding compression facility"),
  82     FEAT_INIT("msa5-base", S390_FEAT_TYPE_STFL, 57, "Message-security-assist-extension-5 facility (excluding subfunctions)"),
  83     FEAT_INIT("minste2", S390_FEAT_TYPE_STFL, 58, "Miscellaneous-instruction-extensions facility 2"),
  84     FEAT_INIT("sema", S390_FEAT_TYPE_STFL, 59, "Semaphore-assist facility"),
  85     FEAT_INIT("tsi", S390_FEAT_TYPE_STFL, 60, "Time-slice Instrumentation facility"),
  86     FEAT_INIT("minste3", S390_FEAT_TYPE_STFL, 61, "Miscellaneous-Instruction-Extensions Facility 3"),
  87     FEAT_INIT("ri", S390_FEAT_TYPE_STFL, 64, "CPU runtime-instrumentation facility"),
  88     FEAT_INIT("zpci", S390_FEAT_TYPE_STFL, 69, "z/PCI facility"),
  89     FEAT_INIT("aen", S390_FEAT_TYPE_STFL, 71, "General-purpose-adapter-event-notification facility"),
  90     FEAT_INIT("ais", S390_FEAT_TYPE_STFL, 72, "General-purpose-adapter-interruption-suppression facility"),
  91     FEAT_INIT("te", S390_FEAT_TYPE_STFL, 73, "Transactional-execution facility"),
  92     FEAT_INIT("sthyi", S390_FEAT_TYPE_STFL, 74, "Store-hypervisor-information facility"),
  93     FEAT_INIT("aefsi", S390_FEAT_TYPE_STFL, 75, "Access-exception-fetch/store-indication facility"),
  94     FEAT_INIT("msa3-base", S390_FEAT_TYPE_STFL, 76, "Message-security-assist-extension-3 facility (excluding subfunctions)"),
  95     FEAT_INIT("msa4-base", S390_FEAT_TYPE_STFL, 77, "Message-security-assist-extension-4 facility (excluding subfunctions)"),
  96     FEAT_INIT("edat2", S390_FEAT_TYPE_STFL, 78, "Enhanced-DAT facility 2"),
  97     FEAT_INIT("dfppc", S390_FEAT_TYPE_STFL, 80, "Decimal-floating-point packed-conversion facility"),
  98     FEAT_INIT("ppa15", S390_FEAT_TYPE_STFL, 81, "PPA15 is installed"),
  99     FEAT_INIT("bpb", S390_FEAT_TYPE_STFL, 82, "Branch prediction blocking"),
 100     FEAT_INIT("vx", S390_FEAT_TYPE_STFL, 129, "Vector facility"),
 101     FEAT_INIT("iep", S390_FEAT_TYPE_STFL, 130, "Instruction-execution-protection facility"),
 102     FEAT_INIT("sea_esop2", S390_FEAT_TYPE_STFL, 131, "Side-effect-access facility and Enhanced-suppression-on-protection facility 2"),
 103     FEAT_INIT("gs", S390_FEAT_TYPE_STFL, 133, "Guarded-storage facility"),
 104     FEAT_INIT("vxpd", S390_FEAT_TYPE_STFL, 134, "Vector packed decimal facility"),
 105     FEAT_INIT("vxeh", S390_FEAT_TYPE_STFL, 135, "Vector enhancements facility"),
 106     FEAT_INIT("mepoch", S390_FEAT_TYPE_STFL, 139, "Multiple-epoch facility"),
 107     FEAT_INIT("tpei", S390_FEAT_TYPE_STFL, 144, "Test-pending-external-interruption facility"),
 108     FEAT_INIT("irbm", S390_FEAT_TYPE_STFL, 145, "Insert-reference-bits-multiple facility"),
 109     FEAT_INIT("msa8-base", S390_FEAT_TYPE_STFL, 146, "Message-security-assist-extension-8 facility (excluding subfunctions)"),
 110     FEAT_INIT("cmmnt", S390_FEAT_TYPE_STFL, 147, "CMM: ESSA-enhancement (no translate) facility"),
 111     FEAT_INIT("etoken", S390_FEAT_TYPE_STFL, 156, "Etoken facility"),
 112
 113     /* SCLP SCCB Byte 80 - 98  (bit numbers relative to byte-80) */
 114     FEAT_INIT("gsls", S390_FEAT_TYPE_SCLP_CONF_CHAR, 40, "SIE: Guest-storage-limit-suppression facility"),
 115     FEAT_INIT("esop", S390_FEAT_TYPE_SCLP_CONF_CHAR, 46, "Enhanced-suppression-on-protection facility"),
 116     FEAT_INIT("hpma2", S390_FEAT_TYPE_SCLP_CONF_CHAR, 90, "Host page management assist 2 Facility"), /* 91-2 */
 117     FEAT_INIT("kss", S390_FEAT_TYPE_SCLP_CONF_CHAR, 151, "SIE: Keyless-subset facility"),  /* 98-7 */
 118
 119     /* SCLP SCCB Byte 116 - 119 (bit numbers relative to byte-116) */
 120     FEAT_INIT("64bscao", S390_FEAT_TYPE_SCLP_CONF_CHAR_EXT, 0, "SIE: 64-bit-SCAO facility"),
 121     FEAT_INIT("cmma", S390_FEAT_TYPE_SCLP_CONF_CHAR_EXT, 1, "SIE: Collaborative-memory-management assist"),
 122     FEAT_INIT("pfmfi", S390_FEAT_TYPE_SCLP_CONF_CHAR_EXT, 9, "SIE: PFMF interpretation facility"),
 123     FEAT_INIT("ibs", S390_FEAT_TYPE_SCLP_CONF_CHAR_EXT, 10, "SIE: Interlock-and-broadcast-suppression facility"),
 124
 125     FEAT_INIT("sief2", S390_FEAT_TYPE_SCLP_CPU, 4, "SIE: interception format 2 (Virtual SIE)"),
 126     FEAT_INIT("skey", S390_FEAT_TYPE_SCLP_CPU, 5, "SIE: Storage-key facility"),
 127     FEAT_INIT("gpereh", S390_FEAT_TYPE_SCLP_CPU, 10, "SIE: Guest-PER enhancement facility"),
 128     FEAT_INIT("siif", S390_FEAT_TYPE_SCLP_CPU, 11, "SIE: Shared IPTE-interlock facility"),
 129     FEAT_INIT("sigpif", S390_FEAT_TYPE_SCLP_CPU, 12, "SIE: SIGP interpretation facility"),
 130     FEAT_INIT("ib", S390_FEAT_TYPE_SCLP_CPU, 42, "SIE: Intervention bypass facility"),
 131     FEAT_INIT("cei", S390_FEAT_TYPE_SCLP_CPU, 43, "SIE: Conditional-external-interception facility"),
 132
 133     FEAT_INIT_MISC("dateh2", "DAT-enhancement facility 2"),
 134     FEAT_INIT_MISC("cmm", "Collaborative-memory-management facility"),
 135     FEAT_INIT_MISC("ap", "AP instructions installed"),
 136
 137     FEAT_INIT("plo-cl", S390_FEAT_TYPE_PLO, 0, "PLO Compare and load (32 bit in general registers)"),
 138     FEAT_INIT("plo-clg", S390_FEAT_TYPE_PLO, 1, "PLO Compare and load (64 bit in parameter list)"),
 139     FEAT_INIT("plo-clgr", S390_FEAT_TYPE_PLO, 2, "PLO Compare and load (32 bit in general registers)"),
 140     FEAT_INIT("plo-clx", S390_FEAT_TYPE_PLO, 3, "PLO Compare and load (128 bit in parameter list)"),
 141     FEAT_INIT("plo-cs", S390_FEAT_TYPE_PLO, 4, "PLO Compare and swap (32 bit in general registers)"),
 142     FEAT_INIT("plo-csg", S390_FEAT_TYPE_PLO, 5, "PLO Compare and swap (64 bit in parameter list)"),
 143     FEAT_INIT("plo-csgr", S390_FEAT_TYPE_PLO, 6, "PLO Compare and swap (32 bit in general registers)"),
 144     FEAT_INIT("plo-csx", S390_FEAT_TYPE_PLO, 7, "PLO Compare and swap (128 bit in parameter list)"),
 145     FEAT_INIT("plo-dcs", S390_FEAT_TYPE_PLO, 8, "PLO Double compare and swap (32 bit in general registers)"),
 146     FEAT_INIT("plo-dcsg", S390_FEAT_TYPE_PLO, 9, "PLO Double compare and swap (64 bit in parameter list)"),
 147     FEAT_INIT("plo-dcsgr", S390_FEAT_TYPE_PLO, 10, "PLO Double compare and swap (32 bit in general registers)"),
 148     FEAT_INIT("plo-dcsx", S390_FEAT_TYPE_PLO, 11, "PLO Double compare and swap (128 bit in parameter list)"),
 149     FEAT_INIT("plo-csst", S390_FEAT_TYPE_PLO, 12, "PLO Compare and swap and store (32 bit in general registers)"),
 150     FEAT_INIT("plo-csstg", S390_FEAT_TYPE_PLO, 13, "PLO Compare and swap and store (64 bit in parameter list)"),
 151     FEAT_INIT("plo-csstgr", S390_FEAT_TYPE_PLO, 14, "PLO Compare and swap and store (32 bit in general registers)"),
 152     FEAT_INIT("plo-csstx", S390_FEAT_TYPE_PLO, 15, "PLO Compare and swap and store (128 bit in parameter list)"),
 153     FEAT_INIT("plo-csdst", S390_FEAT_TYPE_PLO, 16, "PLO Compare and swap and double store (32 bit in general registers)"),
 154     FEAT_INIT("plo-csdstg", S390_FEAT_TYPE_PLO, 17, "PLO Compare and swap and double store (64 bit in parameter list)"),
 155     FEAT_INIT("plo-csdstgr", S390_FEAT_TYPE_PLO, 18, "PLO Compare and swap and double store (32 bit in general registers)"),
 156     FEAT_INIT("plo-csdstx", S390_FEAT_TYPE_PLO, 19, "PLO Compare and swap and double store (128 bit in parameter list)"),
 157     FEAT_INIT("plo-cstst", S390_FEAT_TYPE_PLO, 20, "PLO Compare and swap and triple store (32 bit in general registers)"),
 158     FEAT_INIT("plo-cststg", S390_FEAT_TYPE_PLO, 21, "PLO Compare and swap and triple store (64 bit in parameter list)"),
 159     FEAT_INIT("plo-cststgr", S390_FEAT_TYPE_PLO, 22, "PLO Compare and swap and triple store (32 bit in general registers)"),
 160     FEAT_INIT("plo-cststx", S390_FEAT_TYPE_PLO, 23, "PLO Compare and swap and triple store (128 bit in parameter list)"),
 161
 162     FEAT_INIT("ptff-qto", S390_FEAT_TYPE_PTFF, 1, "PTFF Query TOD Offset"),
 163     FEAT_INIT("ptff-qsi", S390_FEAT_TYPE_PTFF, 2, "PTFF Query Steering Information"),
 164     FEAT_INIT("ptff-qpc", S390_FEAT_TYPE_PTFF, 3, "PTFF Query Physical Clock"),
 165     FEAT_INIT("ptff-qui", S390_FEAT_TYPE_PTFF, 4, "PTFF Query UTC Information"),
 166     FEAT_INIT("ptff-qtou", S390_FEAT_TYPE_PTFF, 5, "PTFF Query TOD Offset User"),
 167     FEAT_INIT("ptff-qsie", S390_FEAT_TYPE_PTFF, 10, "PTFF Query Steering Information Extended"),
 168     FEAT_INIT("ptff-qtoue", S390_FEAT_TYPE_PTFF, 13, "PTFF Query TOD Offset User Extended"),
 169     FEAT_INIT("ptff-sto", S390_FEAT_TYPE_PTFF, 65, "PTFF Set TOD Offset"),
 170     FEAT_INIT("ptff-stou", S390_FEAT_TYPE_PTFF, 69, "PTFF Set TOD Offset User"),
 171     FEAT_INIT("ptff-stoe", S390_FEAT_TYPE_PTFF, 73, "PTFF Set TOD Offset Extended"),
 172     FEAT_INIT("ptff-stoue", S390_FEAT_TYPE_PTFF, 77, "PTFF Set TOD Offset User Extended"),
 173
 174     FEAT_INIT("kmac-dea", S390_FEAT_TYPE_KMAC, 1, "KMAC DEA"),
 175     FEAT_INIT("kmac-tdea-128", S390_FEAT_TYPE_KMAC, 2, "KMAC TDEA-128"),
 176     FEAT_INIT("kmac-tdea-192", S390_FEAT_TYPE_KMAC, 3, "KMAC TDEA-192"),
 177     FEAT_INIT("kmac-edea", S390_FEAT_TYPE_KMAC, 9, "KMAC Encrypted-DEA"),
 178     FEAT_INIT("kmac-etdea-128", S390_FEAT_TYPE_KMAC, 10, "KMAC Encrypted-TDEA-128"),
 179     FEAT_INIT("kmac-etdea-192", S390_FEAT_TYPE_KMAC, 11, "KMAC Encrypted-TDEA-192"),
 180     FEAT_INIT("kmac-aes-128", S390_FEAT_TYPE_KMAC, 18, "KMAC AES-128"),
 181     FEAT_INIT("kmac-aes-192", S390_FEAT_TYPE_KMAC, 19, "KMAC AES-192"),
 182     FEAT_INIT("kmac-aes-256", S390_FEAT_TYPE_KMAC, 20, "KMAC AES-256"),
 183     FEAT_INIT("kmac-eaes-128", S390_FEAT_TYPE_KMAC, 26, "KMAC Encrypted-AES-128"),
 184     FEAT_INIT("kmac-eaes-192", S390_FEAT_TYPE_KMAC, 27, "KMAC Encrypted-AES-192"),
 185     FEAT_INIT("kmac-eaes-256", S390_FEAT_TYPE_KMAC, 28, "KMAC Encrypted-AES-256"),
 186
 187     FEAT_INIT("kmc-dea", S390_FEAT_TYPE_KMC, 1, "KMC DEA"),
 188     FEAT_INIT("kmc-tdea-128", S390_FEAT_TYPE_KMC, 2, "KMC TDEA-128"),
 189     FEAT_INIT("kmc-tdea-192", S390_FEAT_TYPE_KMC, 3, "KMC TDEA-192"),
 190     FEAT_INIT("kmc-edea", S390_FEAT_TYPE_KMC, 9, "KMC Encrypted-DEA"),
 191     FEAT_INIT("kmc-etdea-128", S390_FEAT_TYPE_KMC, 10, "KMC Encrypted-TDEA-128"),
 192     FEAT_INIT("kmc-etdea-192", S390_FEAT_TYPE_KMC, 11, "KMC Encrypted-TDEA-192"),
 193     FEAT_INIT("kmc-aes-128", S390_FEAT_TYPE_KMC, 18, "KMC AES-128"),
 194     FEAT_INIT("kmc-aes-192", S390_FEAT_TYPE_KMC, 19, "KMC AES-192"),
 195     FEAT_INIT("kmc-aes-256", S390_FEAT_TYPE_KMC, 20, "KMC AES-256"),
 196     FEAT_INIT("kmc-eaes-128", S390_FEAT_TYPE_KMC, 26, "KMC Encrypted-AES-128"),
 197     FEAT_INIT("kmc-eaes-192", S390_FEAT_TYPE_KMC, 27, "KMC Encrypted-AES-192"),
 198     FEAT_INIT("kmc-eaes-256", S390_FEAT_TYPE_KMC, 28, "KMC Encrypted-AES-256"),
 199     FEAT_INIT("kmc-prng", S390_FEAT_TYPE_KMC, 67, "KMC PRNG"),
 200
 201     FEAT_INIT("km-dea", S390_FEAT_TYPE_KM, 1, "KM DEA"),
 202     FEAT_INIT("km-tdea-128", S390_FEAT_TYPE_KM, 2, "KM TDEA-128"),
 203     FEAT_INIT("km-tdea-192", S390_FEAT_TYPE_KM, 3, "KM TDEA-192"),
 204     FEAT_INIT("km-edea", S390_FEAT_TYPE_KM, 9, "KM Encrypted-DEA"),
 205     FEAT_INIT("km-etdea-128", S390_FEAT_TYPE_KM, 10, "KM Encrypted-TDEA-128"),
 206     FEAT_INIT("km-etdea-192", S390_FEAT_TYPE_KM, 11, "KM Encrypted-TDEA-192"),
 207     FEAT_INIT("km-aes-128", S390_FEAT_TYPE_KM, 18, "KM AES-128"),
 208     FEAT_INIT("km-aes-192", S390_FEAT_TYPE_KM, 19, "KM AES-192"),
 209     FEAT_INIT("km-aes-256", S390_FEAT_TYPE_KM, 20, "KM AES-256"),
 210     FEAT_INIT("km-eaes-128", S390_FEAT_TYPE_KM, 26, "KM Encrypted-AES-128"),
 211     FEAT_INIT("km-eaes-192", S390_FEAT_TYPE_KM, 27, "KM Encrypted-AES-192"),
 212     FEAT_INIT("km-eaes-256", S390_FEAT_TYPE_KM, 28, "KM Encrypted-AES-256"),
 213     FEAT_INIT("km-xts-aes-128", S390_FEAT_TYPE_KM, 50, "KM XTS-AES-128"),
 214     FEAT_INIT("km-xts-aes-256", S390_FEAT_TYPE_KM, 52, "KM XTS-AES-256"),
 215     FEAT_INIT("km-xts-eaes-128", S390_FEAT_TYPE_KM, 58, "KM XTS-Encrypted-AES-128"),
 216     FEAT_INIT("km-xts-eaes-256", S390_FEAT_TYPE_KM, 60, "KM XTS-Encrypted-AES-256"),
 217
 218     FEAT_INIT("kimd-sha-1", S390_FEAT_TYPE_KIMD, 1, "KIMD SHA-1"),
 219     FEAT_INIT("kimd-sha-256", S390_FEAT_TYPE_KIMD, 2, "KIMD SHA-256"),
 220     FEAT_INIT("kimd-sha-512", S390_FEAT_TYPE_KIMD, 3, "KIMD SHA-512"),
 221     FEAT_INIT("kimd-sha3-224", S390_FEAT_TYPE_KIMD, 32, "KIMD SHA3-224"),
 222     FEAT_INIT("kimd-sha3-256", S390_FEAT_TYPE_KIMD, 33, "KIMD SHA3-256"),
 223     FEAT_INIT("kimd-sha3-384", S390_FEAT_TYPE_KIMD, 34, "KIMD SHA3-384"),
 224     FEAT_INIT("kimd-sha3-512", S390_FEAT_TYPE_KIMD, 35, "KIMD SHA3-512"),
 225     FEAT_INIT("kimd-shake-128", S390_FEAT_TYPE_KIMD, 36, "KIMD SHAKE-128"),
 226     FEAT_INIT("kimd-shake-256", S390_FEAT_TYPE_KIMD, 37, "KIMD SHAKE-256"),
 227     FEAT_INIT("kimd-ghash", S390_FEAT_TYPE_KIMD, 65, "KIMD GHASH"),
 228
 229     FEAT_INIT("klmd-sha-1", S390_FEAT_TYPE_KLMD, 1, "KLMD SHA-1"),
 230     FEAT_INIT("klmd-sha-256", S390_FEAT_TYPE_KLMD, 2, "KLMD SHA-256"),
 231     FEAT_INIT("klmd-sha-512", S390_FEAT_TYPE_KLMD, 3, "KLMD SHA-512"),
 232     FEAT_INIT("klmd-sha3-224", S390_FEAT_TYPE_KLMD, 32, "KLMD SHA3-224"),
 233     FEAT_INIT("klmd-sha3-256", S390_FEAT_TYPE_KLMD, 33, "KLMD SHA3-256"),
 234     FEAT_INIT("klmd-sha3-384", S390_FEAT_TYPE_KLMD, 34, "KLMD SHA3-384"),
 235     FEAT_INIT("klmd-sha3-512", S390_FEAT_TYPE_KLMD, 35, "KLMD SHA3-512"),
 236     FEAT_INIT("klmd-shake-128", S390_FEAT_TYPE_KLMD, 36, "KLMD SHAKE-128"),
 237     FEAT_INIT("klmd-shake-256", S390_FEAT_TYPE_KLMD, 37, "KLMD SHAKE-256"),
 238
 239     FEAT_INIT("pckmo-edea", S390_FEAT_TYPE_PCKMO, 1, "PCKMO Encrypted-DEA-Key"),
 240     FEAT_INIT("pckmo-etdea-128", S390_FEAT_TYPE_PCKMO, 2, "PCKMO Encrypted-TDEA-128-Key"),
 241     FEAT_INIT("pckmo-etdea-192", S390_FEAT_TYPE_PCKMO, 3, "PCKMO Encrypted-TDEA-192-Key"),
 242     FEAT_INIT("pckmo-aes-128", S390_FEAT_TYPE_PCKMO, 18, "PCKMO Encrypted-AES-128-Key"),
 243     FEAT_INIT("pckmo-aes-192", S390_FEAT_TYPE_PCKMO, 19, "PCKMO Encrypted-AES-192-Key"),
 244     FEAT_INIT("pckmo-aes-256", S390_FEAT_TYPE_PCKMO, 20, "PCKMO Encrypted-AES-256-Key"),
 245
 246     FEAT_INIT("kmctr-dea", S390_FEAT_TYPE_KMCTR, 1, "KMCTR DEA"),
 247     FEAT_INIT("kmctr-tdea-128", S390_FEAT_TYPE_KMCTR, 2, "KMCTR TDEA-128"),
 248     FEAT_INIT("kmctr-tdea-192", S390_FEAT_TYPE_KMCTR, 3, "KMCTR TDEA-192"),
 249     FEAT_INIT("kmctr-edea", S390_FEAT_TYPE_KMCTR, 9, "KMCTR Encrypted-DEA"),
 250     FEAT_INIT("kmctr-etdea-128", S390_FEAT_TYPE_KMCTR, 10, "KMCTR Encrypted-TDEA-128"),
 251     FEAT_INIT("kmctr-etdea-192", S390_FEAT_TYPE_KMCTR, 11, "KMCTR Encrypted-TDEA-192"),
 252     FEAT_INIT("kmctr-aes-128", S390_FEAT_TYPE_KMCTR, 18, "KMCTR AES-128"),
 253     FEAT_INIT("kmctr-aes-192", S390_FEAT_TYPE_KMCTR, 19, "KMCTR AES-192"),
 254     FEAT_INIT("kmctr-aes-256", S390_FEAT_TYPE_KMCTR, 20, "KMCTR AES-256"),
 255     FEAT_INIT("kmctr-eaes-128", S390_FEAT_TYPE_KMCTR, 26, "KMCTR Encrypted-AES-128"),
 256     FEAT_INIT("kmctr-eaes-192", S390_FEAT_TYPE_KMCTR, 27, "KMCTR Encrypted-AES-192"),
 257     FEAT_INIT("kmctr-eaes-256", S390_FEAT_TYPE_KMCTR, 28, "KMCTR Encrypted-AES-256"),
 258
 259     FEAT_INIT("kmf-dea", S390_FEAT_TYPE_KMF, 1, "KMF DEA"),
 260     FEAT_INIT("kmf-tdea-128", S390_FEAT_TYPE_KMF, 2, "KMF TDEA-128"),
 261     FEAT_INIT("kmf-tdea-192", S390_FEAT_TYPE_KMF, 3, "KMF TDEA-192"),
 262     FEAT_INIT("kmf-edea", S390_FEAT_TYPE_KMF, 9, "KMF Encrypted-DEA"),
 263     FEAT_INIT("kmf-etdea-128", S390_FEAT_TYPE_KMF, 10, "KMF Encrypted-TDEA-128"),
 264     FEAT_INIT("kmf-etdea-192", S390_FEAT_TYPE_KMF, 11, "KMF Encrypted-TDEA-192"),
 265     FEAT_INIT("kmf-aes-128", S390_FEAT_TYPE_KMF, 18, "KMF AES-128"),
 266     FEAT_INIT("kmf-aes-192", S390_FEAT_TYPE_KMF, 19, "KMF AES-192"),
 267     FEAT_INIT("kmf-aes-256", S390_FEAT_TYPE_KMF, 20, "KMF AES-256"),
 268     FEAT_INIT("kmf-eaes-128", S390_FEAT_TYPE_KMF, 26, "KMF Encrypted-AES-128"),
 269     FEAT_INIT("kmf-eaes-192", S390_FEAT_TYPE_KMF, 27, "KMF Encrypted-AES-192"),
 270     FEAT_INIT("kmf-eaes-256", S390_FEAT_TYPE_KMF, 28, "KMF Encrypted-AES-256"),
 271
 272     FEAT_INIT("kmo-dea", S390_FEAT_TYPE_KMO, 1, "KMO DEA"),
 273     FEAT_INIT("kmo-tdea-128", S390_FEAT_TYPE_KMO, 2, "KMO TDEA-128"),
 274     FEAT_INIT("kmo-tdea-192", S390_FEAT_TYPE_KMO, 3, "KMO TDEA-192"),
 275     FEAT_INIT("kmo-edea", S390_FEAT_TYPE_KMO, 9, "KMO Encrypted-DEA"),
 276     FEAT_INIT("kmo-etdea-128", S390_FEAT_TYPE_KMO, 10, "KMO Encrypted-TDEA-128"),
 277     FEAT_INIT("kmo-etdea-192", S390_FEAT_TYPE_KMO, 11, "KMO Encrypted-TDEA-192"),
 278     FEAT_INIT("kmo-aes-128", S390_FEAT_TYPE_KMO, 18, "KMO AES-128"),
 279     FEAT_INIT("kmo-aes-192", S390_FEAT_TYPE_KMO, 19, "KMO AES-192"),
 280     FEAT_INIT("kmo-aes-256", S390_FEAT_TYPE_KMO, 20, "KMO AES-256"),
 281     FEAT_INIT("kmo-eaes-128", S390_FEAT_TYPE_KMO, 26, "KMO Encrypted-AES-128"),
 282     FEAT_INIT("kmo-eaes-192", S390_FEAT_TYPE_KMO, 27, "KMO Encrypted-AES-192"),
 283     FEAT_INIT("kmo-eaes-256", S390_FEAT_TYPE_KMO, 28, "KMO Encrypted-AES-256"),
 284
 285     FEAT_INIT("pcc-cmac-dea", S390_FEAT_TYPE_PCC, 1, "PCC Compute-Last-Block-CMAC-Using-DEA"),
 286     FEAT_INIT("pcc-cmac-tdea-128", S390_FEAT_TYPE_PCC, 2, "PCC Compute-Last-Block-CMAC-Using-TDEA-128"),
 287     FEAT_INIT("pcc-cmac-tdea-192", S390_FEAT_TYPE_PCC, 3, "PCC Compute-Last-Block-CMAC-Using-TDEA-192"),
 288     FEAT_INIT("pcc-cmac-edea", S390_FEAT_TYPE_PCC, 9, "PCC Compute-Last-Block-CMAC-Using-Encrypted-DEA"),
 289     FEAT_INIT("pcc-cmac-etdea-128", S390_FEAT_TYPE_PCC, 10, "PCC Compute-Last-Block-CMAC-Using-Encrypted-TDEA-128"),
 290     FEAT_INIT("pcc-cmac-etdea-192", S390_FEAT_TYPE_PCC, 11, "PCC Compute-Last-Block-CMAC-Using-EncryptedTDEA-192"),
 291     FEAT_INIT("pcc-cmac-aes-128", S390_FEAT_TYPE_PCC, 18, "PCC Compute-Last-Block-CMAC-Using-AES-128"),
 292     FEAT_INIT("pcc-cmac-aes-192", S390_FEAT_TYPE_PCC, 19, "PCC Compute-Last-Block-CMAC-Using-AES-192"),
 293     FEAT_INIT("pcc-cmac-eaes-256", S390_FEAT_TYPE_PCC, 20, "PCC Compute-Last-Block-CMAC-Using-AES-256"),
 294     FEAT_INIT("pcc-cmac-eaes-128", S390_FEAT_TYPE_PCC, 26, "PCC Compute-Last-Block-CMAC-Using-Encrypted-AES-128"),
 295     FEAT_INIT("pcc-cmac-eaes-192", S390_FEAT_TYPE_PCC, 27, "PCC Compute-Last-Block-CMAC-Using-Encrypted-AES-192"),
 296     FEAT_INIT("pcc-cmac-eaes-256", S390_FEAT_TYPE_PCC, 28, "PCC Compute-Last-Block-CMAC-Using-Encrypted-AES-256"),
 297     FEAT_INIT("pcc-xts-aes-128", S390_FEAT_TYPE_PCC, 50, "PCC Compute-XTS-Parameter-Using-AES-128"),
 298     FEAT_INIT("pcc-xts-aes-256", S390_FEAT_TYPE_PCC, 52, "PCC Compute-XTS-Parameter-Using-AES-256"),
 299     FEAT_INIT("pcc-xts-eaes-128", S390_FEAT_TYPE_PCC, 58, "PCC Compute-XTS-Parameter-Using-Encrypted-AES-128"),
 300     FEAT_INIT("pcc-xts-eaes-256", S390_FEAT_TYPE_PCC, 60, "PCC Compute-XTS-Parameter-Using-Encrypted-AES-256"),
 301
 302     FEAT_INIT("ppno-sha-512-drng", S390_FEAT_TYPE_PPNO, 3, "PPNO SHA-512-DRNG"),
 303     FEAT_INIT("prno-trng-qrtcr", S390_FEAT_TYPE_PPNO, 112, "PRNO TRNG-Query-Raw-to-Conditioned-Ratio"),
 304     FEAT_INIT("prno-trng", S390_FEAT_TYPE_PPNO, 114, "PRNO TRNG"),
 305
 306     FEAT_INIT("kma-gcm-aes-128", S390_FEAT_TYPE_KMA, 18, "KMA GCM-AES-128"),
 307     FEAT_INIT("kma-gcm-aes-192", S390_FEAT_TYPE_KMA, 19, "KMA GCM-AES-192"),
 308     FEAT_INIT("kma-gcm-aes-256", S390_FEAT_TYPE_KMA, 20, "KMA GCM-AES-256"),
 309     FEAT_INIT("kma-gcm-eaes-128", S390_FEAT_TYPE_KMA, 26, "KMA GCM-Encrypted-AES-128"),
 310     FEAT_INIT("kma-gcm-eaes-192", S390_FEAT_TYPE_KMA, 27, "KMA GCM-Encrypted-AES-192"),
 311     FEAT_INIT("kma-gcm-eaes-256", S390_FEAT_TYPE_KMA, 28, "KMA GCM-Encrypted-AES-256"),
 312 };
 313
 314 const S390FeatDef *s390_feat_def(S390Feat feat)
 315 {
 316     return &s390_features[feat];
 317 }
 318
 319 S390Feat s390_feat_by_type_and_bit(S390FeatType type, int bit)
 320 {
 321     S390Feat feat;
 322
 323     for (feat = 0; feat < ARRAY_SIZE(s390_features); feat++) {
 324         if (s390_features[feat].type == type &&
 325             s390_features[feat].bit == bit) {
 326             return feat;
 327         }
 328     }
 329     return S390_FEAT_MAX;
 330 }
 331
 332 void s390_init_feat_bitmap(const S390FeatInit init, S390FeatBitmap bitmap)
 333 {
 334     int i, j;
 335
 336     for (i = 0; i < (S390_FEAT_MAX / 64 + 1); i++) {
 337         if (init[i]) {
 338             for (j = 0; j < 64; j++) {
 339                 if (init[i] & 1ULL << j) {
 340                     set_bit(i * 64 + j, bitmap);
 341                 }
 342             }
 343         }
 344     }
 345 }
 346
 347 void s390_fill_feat_block(const S390FeatBitmap features, S390FeatType type,
 348                           uint8_t *data)
 349 {
 350     S390Feat feat;
 351     int bit_nr;
 352
 353     switch (type) {
 354     case S390_FEAT_TYPE_STFL:
 355         if (test_bit(S390_FEAT_ZARCH, features)) {
 356             /* Features that are always active */
 357             set_be_bit(2, data);   /* z/Architecture */
 358             set_be_bit(138, data); /* Configuration-z-architectural-mode */
 359         }
 360         break;
 361     case S390_FEAT_TYPE_PTFF:
 362     case S390_FEAT_TYPE_KMAC:
 363     case S390_FEAT_TYPE_KMC:
 364     case S390_FEAT_TYPE_KM:
 365     case S390_FEAT_TYPE_KIMD:
 366     case S390_FEAT_TYPE_KLMD:
 367     case S390_FEAT_TYPE_PCKMO:
 368     case S390_FEAT_TYPE_KMCTR:
 369     case S390_FEAT_TYPE_KMF:
 370     case S390_FEAT_TYPE_KMO:
 371     case S390_FEAT_TYPE_PCC:
 372     case S390_FEAT_TYPE_PPNO:
 373     case S390_FEAT_TYPE_KMA:
 374         set_be_bit(0, data); /* query is always available */
 375         break;
 376     default:
 377         break;
 378     };
 379
 380     feat = find_first_bit(features, S390_FEAT_MAX);
 381     while (feat < S390_FEAT_MAX) {
 382         if (s390_features[feat].type == type) {
 383             bit_nr = s390_features[feat].bit;
 384             /* big endian on uint8_t array */
 385             set_be_bit(bit_nr, data);
 386         }
 387         feat = find_next_bit(features, S390_FEAT_MAX, feat + 1);
 388     }
 389 }
 390
 391 void s390_add_from_feat_block(S390FeatBitmap features, S390FeatType type,
 392                               uint8_t *data)
 393 {
 394     int nr_bits, le_bit;
 395
 396     switch (type) {
 397     case S390_FEAT_TYPE_STFL:
 398        nr_bits = 16384;
 399        break;
 400     case S390_FEAT_TYPE_PLO:
 401        nr_bits = 256;
 402        break;
 403     default:
 404        /* all cpu subfunctions have 128 bit */
 405        nr_bits = 128;
 406     };
 407
 408     le_bit = find_first_bit((unsigned long *) data, nr_bits);
 409     while (le_bit < nr_bits) {
 410         /* convert the bit number to a big endian bit nr */
 411         S390Feat feat = s390_feat_by_type_and_bit(type, BE_BIT_NR(le_bit));
 412         /* ignore unknown bits */
 413         if (feat < S390_FEAT_MAX) {
 414             set_bit(feat, features);
 415         }
 416         le_bit = find_next_bit((unsigned long *) data, nr_bits, le_bit + 1);
 417     }
 418 }
 419
 420 void s390_feat_bitmap_to_ascii(const S390FeatBitmap features, void *opaque,
 421                                void (*fn)(const char *name, void *opaque))
 422 {
 423     S390FeatBitmap bitmap, tmp;
 424     S390FeatGroup group;
 425     S390Feat feat;
 426
 427     bitmap_copy(bitmap, features, S390_FEAT_MAX);
 428
 429     /* process whole groups first */
 430     for (group = 0; group < S390_FEAT_GROUP_MAX; group++) {
 431         const S390FeatGroupDef *def = s390_feat_group_def(group);
 432
 433         bitmap_and(tmp, bitmap, def->feat, S390_FEAT_MAX);
 434         if (bitmap_equal(tmp, def->feat, S390_FEAT_MAX)) {
 435             bitmap_andnot(bitmap, bitmap, def->feat, S390_FEAT_MAX);
 436             fn(def->name, opaque);
 437         }
 438     }
 439
 440     /* report leftovers as separate features */
 441     feat = find_first_bit(bitmap, S390_FEAT_MAX);
 442     while (feat < S390_FEAT_MAX) {
 443         fn(s390_feat_def(feat)->name, opaque);
 444         feat = find_next_bit(bitmap, S390_FEAT_MAX, feat + 1);
 445     };
 446 }
 447
 448 #define FEAT_GROUP_INIT(_name, _group, _desc)        \
 449     {                                                \
 450         .name = _name,                               \
 451         .desc = _desc,                               \
 452         .init = { S390_FEAT_GROUP_LIST_ ## _group }, \
 453     }
 454
 455 /* indexed by feature group number for easy lookup */
 456 static S390FeatGroupDef s390_feature_groups[] = {
 457     FEAT_GROUP_INIT("plo", PLO, "Perform-locked-operation facility"),
 458     FEAT_GROUP_INIT("tods", TOD_CLOCK_STEERING, "Tod-clock-steering facility"),
 459     FEAT_GROUP_INIT("gen13ptff", GEN13_PTFF, "PTFF enhancements introduced with z13"),
 460     FEAT_GROUP_INIT("msa", MSA, "Message-security-assist facility"),
 461     FEAT_GROUP_INIT("msa1", MSA_EXT_1, "Message-security-assist-extension 1 facility"),
 462     FEAT_GROUP_INIT("msa2", MSA_EXT_2, "Message-security-assist-extension 2 facility"),
 463     FEAT_GROUP_INIT("msa3", MSA_EXT_3, "Message-security-assist-extension 3 facility"),
 464     FEAT_GROUP_INIT("msa4", MSA_EXT_4, "Message-security-assist-extension 4 facility"),
 465     FEAT_GROUP_INIT("msa5", MSA_EXT_5, "Message-security-assist-extension 5 facility"),
 466     FEAT_GROUP_INIT("msa6", MSA_EXT_6, "Message-security-assist-extension 6 facility"),
 467     FEAT_GROUP_INIT("msa7", MSA_EXT_7, "Message-security-assist-extension 7 facility"),
 468     FEAT_GROUP_INIT("msa8", MSA_EXT_8, "Message-security-assist-extension 8 facility"),
 469     FEAT_GROUP_INIT("mepochptff", MULTIPLE_EPOCH_PTFF, "PTFF enhancements introduced with Multiple-epoch facility"),
 470 };
 471
 472 const S390FeatGroupDef *s390_feat_group_def(S390FeatGroup group)
 473 {
 474     return &s390_feature_groups[group];
 475 }
 476
 477 static void init_groups(void)
 478 {
 479     int i;
 480
 481     /* init all bitmaps from gnerated data initially */
 482     for (i = 0; i < ARRAY_SIZE(s390_feature_groups); i++) {
 483         s390_init_feat_bitmap(s390_feature_groups[i].init,
 484                               s390_feature_groups[i].feat);
 485     }
 486 }
 487
 488 type_init(init_groups)