linux-headers/asm-s390/kvm.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef __LINUX_KVM_S390_H
   3 #define __LINUX_KVM_S390_H
   4 /*
   5  * KVM s390 specific structures and definitions
   6  *
   7  * Copyright IBM Corp. 2008, 2018
   8  *
   9  *    Author(s): Carsten Otte <cotte@de.ibm.com>
  10  *               Christian Borntraeger <borntraeger@de.ibm.com>
  11  */
  12 #include <linux/types.h>
  13
  14 #define __KVM_S390
  15
  16 struct kvm_s390_skeys {
  17         __u64 start_gfn;
  18         __u64 count;
  19         __u64 skeydata_addr;
  20         __u32 flags;
  21         __u32 reserved[9];
  22 };
  23
  24 #define KVM_S390_CMMA_PEEK (1 << 0)
  25
  26 /**
  27  * kvm_s390_cmma_log - Used for CMMA migration.
  28  *
  29  * Used both for input and output.
  30  *
  31  * @start_gfn: Guest page number to start from.
  32  * @count: Size of the result buffer.
  33  * @flags: Control operation mode via KVM_S390_CMMA_* flags
  34  * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
  35  *             pages are still remaining.
  36  * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
  37  *        in the PGSTE.
  38  * @values: Pointer to the values buffer.
  39  *
  40  * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
  41  */
  42 struct kvm_s390_cmma_log {
  43         __u64 start_gfn;
  44         __u32 count;
  45         __u32 flags;
  46         union {
  47                 __u64 remaining;
  48                 __u64 mask;
  49         };
  50         __u64 values;
  51 };
  52
  53 #define KVM_S390_RESET_POR       1
  54 #define KVM_S390_RESET_CLEAR     2
  55 #define KVM_S390_RESET_SUBSYSTEM 4
  56 #define KVM_S390_RESET_CPU_INIT  8
  57 #define KVM_S390_RESET_IPL       16
  58
  59 /* for KVM_S390_MEM_OP */
  60 struct kvm_s390_mem_op {
  61         /* in */
  62         __u64 gaddr;            /* the guest address */
  63         __u64 flags;            /* flags */
  64         __u32 size;             /* amount of bytes */
  65         __u32 op;               /* type of operation */
  66         __u64 buf;              /* buffer in userspace */
  67         union {
  68                 struct {
  69                         __u8 ar;        /* the access register number */
  70                         __u8 key;       /* access key, ignored if flag unset */
  71                         __u8 pad1[6];   /* ignored */
  72                         __u64 old_addr; /* ignored if cmpxchg flag unset */
  73                 };
  74                 __u32 sida_offset; /* offset into the sida */
  75                 __u8 reserved[32]; /* ignored */
  76         };
  77 };
  78 /* types for kvm_s390_mem_op->op */
  79 #define KVM_S390_MEMOP_LOGICAL_READ     0
  80 #define KVM_S390_MEMOP_LOGICAL_WRITE    1
  81 #define KVM_S390_MEMOP_SIDA_READ        2
  82 #define KVM_S390_MEMOP_SIDA_WRITE       3
  83 #define KVM_S390_MEMOP_ABSOLUTE_READ    4
  84 #define KVM_S390_MEMOP_ABSOLUTE_WRITE   5
  85 #define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG 6
  86
  87 /* flags for kvm_s390_mem_op->flags */
  88 #define KVM_S390_MEMOP_F_CHECK_ONLY             (1ULL << 0)
  89 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION       (1ULL << 1)
  90 #define KVM_S390_MEMOP_F_SKEY_PROTECTION        (1ULL << 2)
  91
  92 /* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */
  93 #define KVM_S390_MEMOP_EXTENSION_CAP_BASE       (1 << 0)
  94 #define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG    (1 << 1)
  95
  96 struct kvm_s390_psw {
  97         __u64 mask;
  98         __u64 addr;
  99 };
 100
 101 /* valid values for type in kvm_s390_interrupt */
 102 #define KVM_S390_SIGP_STOP              0xfffe0000u
 103 #define KVM_S390_PROGRAM_INT            0xfffe0001u
 104 #define KVM_S390_SIGP_SET_PREFIX        0xfffe0002u
 105 #define KVM_S390_RESTART                0xfffe0003u
 106 #define KVM_S390_INT_PFAULT_INIT        0xfffe0004u
 107 #define KVM_S390_INT_PFAULT_DONE        0xfffe0005u
 108 #define KVM_S390_MCHK                   0xfffe1000u
 109 #define KVM_S390_INT_CLOCK_COMP         0xffff1004u
 110 #define KVM_S390_INT_CPU_TIMER          0xffff1005u
 111 #define KVM_S390_INT_VIRTIO             0xffff2603u
 112 #define KVM_S390_INT_SERVICE            0xffff2401u
 113 #define KVM_S390_INT_EMERGENCY          0xffff1201u
 114 #define KVM_S390_INT_EXTERNAL_CALL      0xffff1202u
 115 /* Anything below 0xfffe0000u is taken by INT_IO */
 116 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
 117         (((schid)) |                           \
 118          ((ssid) << 16) |                      \
 119          ((cssid) << 18) |                     \
 120          ((ai) << 26))
 121 #define KVM_S390_INT_IO_MIN             0x00000000u
 122 #define KVM_S390_INT_IO_MAX             0xfffdffffu
 123 #define KVM_S390_INT_IO_AI_MASK         0x04000000u
 124
 125
 126 struct kvm_s390_interrupt {
 127         __u32 type;
 128         __u32 parm;
 129         __u64 parm64;
 130 };
 131
 132 struct kvm_s390_io_info {
 133         __u16 subchannel_id;
 134         __u16 subchannel_nr;
 135         __u32 io_int_parm;
 136         __u32 io_int_word;
 137 };
 138
 139 struct kvm_s390_ext_info {
 140         __u32 ext_params;
 141         __u32 pad;
 142         __u64 ext_params2;
 143 };
 144
 145 struct kvm_s390_pgm_info {
 146         __u64 trans_exc_code;
 147         __u64 mon_code;
 148         __u64 per_address;
 149         __u32 data_exc_code;
 150         __u16 code;
 151         __u16 mon_class_nr;
 152         __u8 per_code;
 153         __u8 per_atmid;
 154         __u8 exc_access_id;
 155         __u8 per_access_id;
 156         __u8 op_access_id;
 157 #define KVM_S390_PGM_FLAGS_ILC_VALID    0x01
 158 #define KVM_S390_PGM_FLAGS_ILC_0        0x02
 159 #define KVM_S390_PGM_FLAGS_ILC_1        0x04
 160 #define KVM_S390_PGM_FLAGS_ILC_MASK     0x06
 161 #define KVM_S390_PGM_FLAGS_NO_REWIND    0x08
 162         __u8 flags;
 163         __u8 pad[2];
 164 };
 165
 166 struct kvm_s390_prefix_info {
 167         __u32 address;
 168 };
 169
 170 struct kvm_s390_extcall_info {
 171         __u16 code;
 172 };
 173
 174 struct kvm_s390_emerg_info {
 175         __u16 code;
 176 };
 177
 178 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
 179 struct kvm_s390_stop_info {
 180         __u32 flags;
 181 };
 182
 183 struct kvm_s390_mchk_info {
 184         __u64 cr14;
 185         __u64 mcic;
 186         __u64 failing_storage_address;
 187         __u32 ext_damage_code;
 188         __u32 pad;
 189         __u8 fixed_logout[16];
 190 };
 191
 192 struct kvm_s390_irq {
 193         __u64 type;
 194         union {
 195                 struct kvm_s390_io_info io;
 196                 struct kvm_s390_ext_info ext;
 197                 struct kvm_s390_pgm_info pgm;
 198                 struct kvm_s390_emerg_info emerg;
 199                 struct kvm_s390_extcall_info extcall;
 200                 struct kvm_s390_prefix_info prefix;
 201                 struct kvm_s390_stop_info stop;
 202                 struct kvm_s390_mchk_info mchk;
 203                 char reserved[64];
 204         } u;
 205 };
 206
 207 struct kvm_s390_irq_state {
 208         __u64 buf;
 209         __u32 flags;        /* will stay unused for compatibility reasons */
 210         __u32 len;
 211         __u32 reserved[4];  /* will stay unused for compatibility reasons */
 212 };
 213
 214 struct kvm_s390_ucas_mapping {
 215         __u64 user_addr;
 216         __u64 vcpu_addr;
 217         __u64 length;
 218 };
 219
 220 struct kvm_s390_pv_sec_parm {
 221         __u64 origin;
 222         __u64 length;
 223 };
 224
 225 struct kvm_s390_pv_unp {
 226         __u64 addr;
 227         __u64 size;
 228         __u64 tweak;
 229 };
 230
 231 enum pv_cmd_dmp_id {
 232         KVM_PV_DUMP_INIT,
 233         KVM_PV_DUMP_CONFIG_STOR_STATE,
 234         KVM_PV_DUMP_COMPLETE,
 235         KVM_PV_DUMP_CPU,
 236 };
 237
 238 struct kvm_s390_pv_dmp {
 239         __u64 subcmd;
 240         __u64 buff_addr;
 241         __u64 buff_len;
 242         __u64 gaddr;            /* For dump storage state */
 243         __u64 reserved[4];
 244 };
 245
 246 enum pv_cmd_info_id {
 247         KVM_PV_INFO_VM,
 248         KVM_PV_INFO_DUMP,
 249 };
 250
 251 struct kvm_s390_pv_info_dump {
 252         __u64 dump_cpu_buffer_len;
 253         __u64 dump_config_mem_buffer_per_1m;
 254         __u64 dump_config_finalize_len;
 255 };
 256
 257 struct kvm_s390_pv_info_vm {
 258         __u64 inst_calls_list[4];
 259         __u64 max_cpus;
 260         __u64 max_guests;
 261         __u64 max_guest_addr;
 262         __u64 feature_indication;
 263 };
 264
 265 struct kvm_s390_pv_info_header {
 266         __u32 id;
 267         __u32 len_max;
 268         __u32 len_written;
 269         __u32 reserved;
 270 };
 271
 272 struct kvm_s390_pv_info {
 273         struct kvm_s390_pv_info_header header;
 274         union {
 275                 struct kvm_s390_pv_info_dump dump;
 276                 struct kvm_s390_pv_info_vm vm;
 277         };
 278 };
 279
 280 enum pv_cmd_id {
 281         KVM_PV_ENABLE,
 282         KVM_PV_DISABLE,
 283         KVM_PV_SET_SEC_PARMS,
 284         KVM_PV_UNPACK,
 285         KVM_PV_VERIFY,
 286         KVM_PV_PREP_RESET,
 287         KVM_PV_UNSHARE_ALL,
 288         KVM_PV_INFO,
 289         KVM_PV_DUMP,
 290         KVM_PV_ASYNC_CLEANUP_PREPARE,
 291         KVM_PV_ASYNC_CLEANUP_PERFORM,
 292 };
 293
 294 struct kvm_pv_cmd {
 295         __u32 cmd;      /* Command to be executed */
 296         __u16 rc;       /* Ultravisor return code */
 297         __u16 rrc;      /* Ultravisor return reason code */
 298         __u64 data;     /* Data or address */
 299         __u32 flags;    /* flags for future extensions. Must be 0 for now */
 300         __u32 reserved[3];
 301 };
 302
 303 struct kvm_s390_zpci_op {
 304         /* in */
 305         __u32 fh;               /* target device */
 306         __u8  op;               /* operation to perform */
 307         __u8  pad[3];
 308         union {
 309                 /* for KVM_S390_ZPCIOP_REG_AEN */
 310                 struct {
 311                         __u64 ibv;      /* Guest addr of interrupt bit vector */
 312                         __u64 sb;       /* Guest addr of summary bit */
 313                         __u32 flags;
 314                         __u32 noi;      /* Number of interrupts */
 315                         __u8 isc;       /* Guest interrupt subclass */
 316                         __u8 sbo;       /* Offset of guest summary bit vector */
 317                         __u16 pad;
 318                 } reg_aen;
 319                 __u64 reserved[8];
 320         } u;
 321 };
 322
 323 /* types for kvm_s390_zpci_op->op */
 324 #define KVM_S390_ZPCIOP_REG_AEN                0
 325 #define KVM_S390_ZPCIOP_DEREG_AEN      1
 326
 327 /* flags for kvm_s390_zpci_op->u.reg_aen.flags */
 328 #define KVM_S390_ZPCIOP_REGAEN_HOST    (1 << 0)
 329
 330 /* Device control API: s390-specific devices */
 331 #define KVM_DEV_FLIC_GET_ALL_IRQS       1
 332 #define KVM_DEV_FLIC_ENQUEUE            2
 333 #define KVM_DEV_FLIC_CLEAR_IRQS         3
 334 #define KVM_DEV_FLIC_APF_ENABLE         4
 335 #define KVM_DEV_FLIC_APF_DISABLE_WAIT   5
 336 #define KVM_DEV_FLIC_ADAPTER_REGISTER   6
 337 #define KVM_DEV_FLIC_ADAPTER_MODIFY     7
 338 #define KVM_DEV_FLIC_CLEAR_IO_IRQ       8
 339 #define KVM_DEV_FLIC_AISM               9
 340 #define KVM_DEV_FLIC_AIRQ_INJECT        10
 341 #define KVM_DEV_FLIC_AISM_ALL           11
 342 /*
 343  * We can have up to 4*64k pending subchannels + 8 adapter interrupts,
 344  * as well as up  to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts.
 345  * There are also sclp and machine checks. This gives us
 346  * sizeof(kvm_s390_irq)*(4*65536+8+64*64+1+1) = 72 * 266250 = 19170000
 347  * Lets round up to 8192 pages.
 348  */
 349 #define KVM_S390_MAX_FLOAT_IRQS 266250
 350 #define KVM_S390_FLIC_MAX_BUFFER        0x2000000
 351
 352 struct kvm_s390_io_adapter {
 353         __u32 id;
 354         __u8 isc;
 355         __u8 maskable;
 356         __u8 swap;
 357         __u8 flags;
 358 };
 359
 360 #define KVM_S390_ADAPTER_SUPPRESSIBLE 0x01
 361
 362 struct kvm_s390_ais_req {
 363         __u8 isc;
 364         __u16 mode;
 365 };
 366
 367 struct kvm_s390_ais_all {
 368         __u8 simm;
 369         __u8 nimm;
 370 };
 371
 372 #define KVM_S390_IO_ADAPTER_MASK 1
 373 #define KVM_S390_IO_ADAPTER_MAP 2
 374 #define KVM_S390_IO_ADAPTER_UNMAP 3
 375
 376 struct kvm_s390_io_adapter_req {
 377         __u32 id;
 378         __u8 type;
 379         __u8 mask;
 380         __u16 pad0;
 381         __u64 addr;
 382 };
 383
 384 /* kvm attr_group  on vm fd */
 385 #define KVM_S390_VM_MEM_CTRL            0
 386 #define KVM_S390_VM_TOD                 1
 387 #define KVM_S390_VM_CRYPTO              2
 388 #define KVM_S390_VM_CPU_MODEL           3
 389 #define KVM_S390_VM_MIGRATION           4
 390 #define KVM_S390_VM_CPU_TOPOLOGY        5
 391
 392 /* kvm attributes for mem_ctrl */
 393 #define KVM_S390_VM_MEM_ENABLE_CMMA     0
 394 #define KVM_S390_VM_MEM_CLR_CMMA        1
 395 #define KVM_S390_VM_MEM_LIMIT_SIZE      2
 396
 397 #define KVM_S390_NO_MEM_LIMIT           U64_MAX
 398
 399 /* kvm attributes for KVM_S390_VM_TOD */
 400 #define KVM_S390_VM_TOD_LOW             0
 401 #define KVM_S390_VM_TOD_HIGH            1
 402 #define KVM_S390_VM_TOD_EXT             2
 403
 404 struct kvm_s390_vm_tod_clock {
 405         __u8  epoch_idx;
 406         __u64 tod;
 407 };
 408
 409 /* kvm attributes for KVM_S390_VM_CPU_MODEL */
 410 /* processor related attributes are r/w */
 411 #define KVM_S390_VM_CPU_PROCESSOR       0
 412 struct kvm_s390_vm_cpu_processor {
 413         __u64 cpuid;
 414         __u16 ibc;
 415         __u8  pad[6];
 416         __u64 fac_list[256];
 417 };
 418
 419 /* machine related attributes are r/o */
 420 #define KVM_S390_VM_CPU_MACHINE         1
 421 struct kvm_s390_vm_cpu_machine {
 422         __u64 cpuid;
 423         __u32 ibc;
 424         __u8  pad[4];
 425         __u64 fac_mask[256];
 426         __u64 fac_list[256];
 427 };
 428
 429 #define KVM_S390_VM_CPU_PROCESSOR_FEAT  2
 430 #define KVM_S390_VM_CPU_MACHINE_FEAT    3
 431
 432 #define KVM_S390_VM_CPU_FEAT_NR_BITS    1024
 433 #define KVM_S390_VM_CPU_FEAT_ESOP       0
 434 #define KVM_S390_VM_CPU_FEAT_SIEF2      1
 435 #define KVM_S390_VM_CPU_FEAT_64BSCAO    2
 436 #define KVM_S390_VM_CPU_FEAT_SIIF       3
 437 #define KVM_S390_VM_CPU_FEAT_GPERE      4
 438 #define KVM_S390_VM_CPU_FEAT_GSLS       5
 439 #define KVM_S390_VM_CPU_FEAT_IB         6
 440 #define KVM_S390_VM_CPU_FEAT_CEI        7
 441 #define KVM_S390_VM_CPU_FEAT_IBS        8
 442 #define KVM_S390_VM_CPU_FEAT_SKEY       9
 443 #define KVM_S390_VM_CPU_FEAT_CMMA       10
 444 #define KVM_S390_VM_CPU_FEAT_PFMFI      11
 445 #define KVM_S390_VM_CPU_FEAT_SIGPIF     12
 446 #define KVM_S390_VM_CPU_FEAT_KSS        13
 447 struct kvm_s390_vm_cpu_feat {
 448         __u64 feat[16];
 449 };
 450
 451 #define KVM_S390_VM_CPU_PROCESSOR_SUBFUNC       4
 452 #define KVM_S390_VM_CPU_MACHINE_SUBFUNC         5
 453 /* for "test bit" instructions MSB 0 bit ordering, for "query" raw blocks */
 454 struct kvm_s390_vm_cpu_subfunc {
 455         __u8 plo[32];           /* always */
 456         __u8 ptff[16];          /* with TOD-clock steering */
 457         __u8 kmac[16];          /* with MSA */
 458         __u8 kmc[16];           /* with MSA */
 459         __u8 km[16];            /* with MSA */
 460         __u8 kimd[16];          /* with MSA */
 461         __u8 klmd[16];          /* with MSA */
 462         __u8 pckmo[16];         /* with MSA3 */
 463         __u8 kmctr[16];         /* with MSA4 */
 464         __u8 kmf[16];           /* with MSA4 */
 465         __u8 kmo[16];           /* with MSA4 */
 466         __u8 pcc[16];           /* with MSA4 */
 467         __u8 ppno[16];          /* with MSA5 */
 468         __u8 kma[16];           /* with MSA8 */
 469         __u8 kdsa[16];          /* with MSA9 */
 470         __u8 sortl[32];         /* with STFLE.150 */
 471         __u8 dfltcc[32];        /* with STFLE.151 */
 472         __u8 reserved[1728];
 473 };
 474
 475 #define KVM_S390_VM_CPU_PROCESSOR_UV_FEAT_GUEST 6
 476 #define KVM_S390_VM_CPU_MACHINE_UV_FEAT_GUEST   7
 477
 478 #define KVM_S390_VM_CPU_UV_FEAT_NR_BITS 64
 479 struct kvm_s390_vm_cpu_uv_feat {
 480         union {
 481                 struct {
 482                         __u64 : 4;
 483                         __u64 ap : 1;           /* bit 4 */
 484                         __u64 ap_intr : 1;      /* bit 5 */
 485                         __u64 : 58;
 486                 };
 487                 __u64 feat;
 488         };
 489 };
 490
 491 /* kvm attributes for crypto */
 492 #define KVM_S390_VM_CRYPTO_ENABLE_AES_KW        0
 493 #define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW        1
 494 #define KVM_S390_VM_CRYPTO_DISABLE_AES_KW       2
 495 #define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW       3
 496 #define KVM_S390_VM_CRYPTO_ENABLE_APIE          4
 497 #define KVM_S390_VM_CRYPTO_DISABLE_APIE         5
 498
 499 /* kvm attributes for migration mode */
 500 #define KVM_S390_VM_MIGRATION_STOP      0
 501 #define KVM_S390_VM_MIGRATION_START     1
 502 #define KVM_S390_VM_MIGRATION_STATUS    2
 503
 504 /* for KVM_GET_REGS and KVM_SET_REGS */
 505 struct kvm_regs {
 506         /* general purpose regs for s390 */
 507         __u64 gprs[16];
 508 };
 509
 510 /* for KVM_GET_SREGS and KVM_SET_SREGS */
 511 struct kvm_sregs {
 512         __u32 acrs[16];
 513         __u64 crs[16];
 514 };
 515
 516 /* for KVM_GET_FPU and KVM_SET_FPU */
 517 struct kvm_fpu {
 518         __u32 fpc;
 519         __u64 fprs[16];
 520 };
 521
 522 #define KVM_GUESTDBG_USE_HW_BP          0x00010000
 523
 524 #define KVM_HW_BP                       1
 525 #define KVM_HW_WP_WRITE                 2
 526 #define KVM_SINGLESTEP                  4
 527
 528 struct kvm_debug_exit_arch {
 529         __u64 addr;
 530         __u8 type;
 531         __u8 pad[7]; /* Should be set to 0 */
 532 };
 533
 534 struct kvm_hw_breakpoint {
 535         __u64 addr;
 536         __u64 phys_addr;
 537         __u64 len;
 538         __u8 type;
 539         __u8 pad[7]; /* Should be set to 0 */
 540 };
 541
 542 /* for KVM_SET_GUEST_DEBUG */
 543 struct kvm_guest_debug_arch {
 544         __u32 nr_hw_bp;
 545         __u32 pad; /* Should be set to 0 */
 546         struct kvm_hw_breakpoint *hw_bp;
 547 };
 548
 549 /* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */
 550 #define KVM_S390_PFAULT_TOKEN_INVALID   0xffffffffffffffffULL
 551
 552 #define KVM_SYNC_PREFIX (1UL << 0)
 553 #define KVM_SYNC_GPRS   (1UL << 1)
 554 #define KVM_SYNC_ACRS   (1UL << 2)
 555 #define KVM_SYNC_CRS    (1UL << 3)
 556 #define KVM_SYNC_ARCH0  (1UL << 4)
 557 #define KVM_SYNC_PFAULT (1UL << 5)
 558 #define KVM_SYNC_VRS    (1UL << 6)
 559 #define KVM_SYNC_RICCB  (1UL << 7)
 560 #define KVM_SYNC_FPRS   (1UL << 8)
 561 #define KVM_SYNC_GSCB   (1UL << 9)
 562 #define KVM_SYNC_BPBC   (1UL << 10)
 563 #define KVM_SYNC_ETOKEN (1UL << 11)
 564 #define KVM_SYNC_DIAG318 (1UL << 12)
 565
 566 #define KVM_SYNC_S390_VALID_FIELDS \
 567         (KVM_SYNC_PREFIX | KVM_SYNC_GPRS | KVM_SYNC_ACRS | KVM_SYNC_CRS | \
 568          KVM_SYNC_ARCH0 | KVM_SYNC_PFAULT | KVM_SYNC_VRS | KVM_SYNC_RICCB | \
 569          KVM_SYNC_FPRS | KVM_SYNC_GSCB | KVM_SYNC_BPBC | KVM_SYNC_ETOKEN | \
 570          KVM_SYNC_DIAG318)
 571
 572 /* length and alignment of the sdnx as a power of two */
 573 #define SDNXC 8
 574 #define SDNXL (1UL << SDNXC)
 575 /* definition of registers in kvm_run */
 576 struct kvm_sync_regs {
 577         __u64 prefix;   /* prefix register */
 578         __u64 gprs[16]; /* general purpose registers */
 579         __u32 acrs[16]; /* access registers */
 580         __u64 crs[16];  /* control registers */
 581         __u64 todpr;    /* tod programmable register [ARCH0] */
 582         __u64 cputm;    /* cpu timer [ARCH0] */
 583         __u64 ckc;      /* clock comparator [ARCH0] */
 584         __u64 pp;       /* program parameter [ARCH0] */
 585         __u64 gbea;     /* guest breaking-event address [ARCH0] */
 586         __u64 pft;      /* pfault token [PFAULT] */
 587         __u64 pfs;      /* pfault select [PFAULT] */
 588         __u64 pfc;      /* pfault compare [PFAULT] */
 589         union {
 590                 __u64 vrs[32][2];       /* vector registers (KVM_SYNC_VRS) */
 591                 __u64 fprs[16];         /* fp registers (KVM_SYNC_FPRS) */
 592         };
 593         __u8  reserved[512];    /* for future vector expansion */
 594         __u32 fpc;              /* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */
 595         __u8 bpbc : 1;          /* bp mode */
 596         __u8 reserved2 : 7;
 597         __u8 padding1[51];      /* riccb needs to be 64byte aligned */
 598         __u8 riccb[64];         /* runtime instrumentation controls block */
 599         __u64 diag318;          /* diagnose 0x318 info */
 600         __u8 padding2[184];     /* sdnx needs to be 256byte aligned */
 601         union {
 602                 __u8 sdnx[SDNXL];  /* state description annex */
 603                 struct {
 604                         __u64 reserved1[2];
 605                         __u64 gscb[4];
 606                         __u64 etoken;
 607                         __u64 etoken_extension;
 608                 };
 609         };
 610 };
 611
 612 #define KVM_REG_S390_TODPR      (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1)
 613 #define KVM_REG_S390_EPOCHDIFF  (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2)
 614 #define KVM_REG_S390_CPU_TIMER  (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3)
 615 #define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4)
 616 #define KVM_REG_S390_PFTOKEN    (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5)
 617 #define KVM_REG_S390_PFCOMPARE  (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6)
 618 #define KVM_REG_S390_PFSELECT   (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7)
 619 #define KVM_REG_S390_PP         (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8)
 620 #define KVM_REG_S390_GBEA       (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9)
 621 #endif