hw/intc/s390_flic_kvm.c

   1 /*
   2  * QEMU S390x KVM floating interrupt controller (flic)
   3  *
   4  * Copyright 2014 IBM Corp.
   5  * Author(s): Jens Freimann <jfrei@linux.vnet.ibm.com>
   6  *            Cornelia Huck <cornelia.huck@de.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 "cpu.h"
  15 #include "kvm_s390x.h"
  16 #include <sys/ioctl.h>
  17 #include "qemu/error-report.h"
  18 #include "qemu/module.h"
  19 #include "qapi/error.h"
  20 #include "hw/sysbus.h"
  21 #include "sysemu/kvm.h"
  22 #include "hw/s390x/s390_flic.h"
  23 #include "hw/s390x/adapter.h"
  24 #include "hw/s390x/css.h"
  25 #include "migration/qemu-file-types.h"
  26 #include "trace.h"
  27
  28 #define FLIC_SAVE_INITIAL_SIZE qemu_real_host_page_size
  29 #define FLIC_FAILED (-1UL)
  30 #define FLIC_SAVEVM_VERSION 1
  31
  32 typedef struct KVMS390FLICState {
  33     S390FLICState parent_obj;
  34
  35     uint32_t fd;
  36     bool clear_io_supported;
  37 } KVMS390FLICState;
  38
  39 static KVMS390FLICState *s390_get_kvm_flic(S390FLICState *fs)
  40 {
  41     static KVMS390FLICState *flic;
  42
  43     if (!flic) {
  44         /* we only have one flic device, so this is fine to cache */
  45         flic = KVM_S390_FLIC(fs);
  46     }
  47     return flic;
  48 }
  49
  50 /**
  51  * flic_get_all_irqs - store all pending irqs in buffer
  52  * @buf: pointer to buffer which is passed to kernel
  53  * @len: length of buffer
  54  * @flic: pointer to flic device state
  55  *
  56  * Returns: -ENOMEM if buffer is too small,
  57  * -EINVAL if attr.group is invalid,
  58  * -EFAULT if copying to userspace failed,
  59  * on success return number of stored interrupts
  60  */
  61 static int flic_get_all_irqs(KVMS390FLICState *flic,
  62                              void *buf, int len)
  63 {
  64     struct kvm_device_attr attr = {
  65         .group = KVM_DEV_FLIC_GET_ALL_IRQS,
  66         .addr = (uint64_t) buf,
  67         .attr = len,
  68     };
  69     int rc;
  70
  71     rc = ioctl(flic->fd, KVM_GET_DEVICE_ATTR, &attr);
  72
  73     return rc == -1 ? -errno : rc;
  74 }
  75
  76 static void flic_enable_pfault(KVMS390FLICState *flic)
  77 {
  78     struct kvm_device_attr attr = {
  79         .group = KVM_DEV_FLIC_APF_ENABLE,
  80     };
  81     int rc;
  82
  83     rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
  84
  85     if (rc) {
  86         fprintf(stderr, "flic: couldn't enable pfault\n");
  87     }
  88 }
  89
  90 static void flic_disable_wait_pfault(KVMS390FLICState *flic)
  91 {
  92     struct kvm_device_attr attr = {
  93         .group = KVM_DEV_FLIC_APF_DISABLE_WAIT,
  94     };
  95     int rc;
  96
  97     rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
  98
  99     if (rc) {
 100         fprintf(stderr, "flic: couldn't disable pfault\n");
 101     }
 102 }
 103
 104 /** flic_enqueue_irqs - returns 0 on success
 105  * @buf: pointer to buffer which is passed to kernel
 106  * @len: length of buffer
 107  * @flic: pointer to flic device state
 108  *
 109  * Returns: -EINVAL if attr.group is unknown
 110  */
 111 static int flic_enqueue_irqs(void *buf, uint64_t len,
 112                             KVMS390FLICState *flic)
 113 {
 114     int rc;
 115     struct kvm_device_attr attr = {
 116         .group = KVM_DEV_FLIC_ENQUEUE,
 117         .addr = (uint64_t) buf,
 118         .attr = len,
 119     };
 120
 121     rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
 122
 123     return rc ? -errno : 0;
 124 }
 125
 126 static void kvm_s390_inject_flic(S390FLICState *fs, struct kvm_s390_irq *irq)
 127 {
 128     static bool use_flic = true;
 129     int r;
 130
 131     if (use_flic) {
 132         r = flic_enqueue_irqs(irq, sizeof(*irq), s390_get_kvm_flic(fs));
 133         if (r == -ENOSYS) {
 134             use_flic = false;
 135         }
 136         if (!r) {
 137             return;
 138         }
 139     }
 140     /* fallback to legacy KVM IOCTL in case FLIC fails */
 141     kvm_s390_floating_interrupt_legacy(irq);
 142 }
 143
 144 static void kvm_s390_inject_service(S390FLICState *fs, uint32_t parm)
 145 {
 146         struct kvm_s390_irq irq = {
 147         .type = KVM_S390_INT_SERVICE,
 148         .u.ext.ext_params = parm,
 149     };
 150
 151     kvm_s390_inject_flic(fs, &irq);
 152 }
 153
 154 static void kvm_s390_inject_io(S390FLICState *fs, uint16_t subchannel_id,
 155                                uint16_t subchannel_nr, uint32_t io_int_parm,
 156                                uint32_t io_int_word)
 157 {
 158     struct kvm_s390_irq irq = {
 159         .u.io.subchannel_id = subchannel_id,
 160         .u.io.subchannel_nr = subchannel_nr,
 161         .u.io.io_int_parm = io_int_parm,
 162         .u.io.io_int_word = io_int_word,
 163     };
 164
 165     if (io_int_word & IO_INT_WORD_AI) {
 166         irq.type = KVM_S390_INT_IO(1, 0, 0, 0);
 167     } else {
 168         irq.type = KVM_S390_INT_IO(0, (subchannel_id & 0xff00) >> 8,
 169                                       (subchannel_id & 0x0006),
 170                                       subchannel_nr);
 171     }
 172     kvm_s390_inject_flic(fs, &irq);
 173 }
 174
 175 static void kvm_s390_inject_crw_mchk(S390FLICState *fs)
 176 {
 177     struct kvm_s390_irq irq = {
 178         .type = KVM_S390_MCHK,
 179         .u.mchk.cr14 = CR14_CHANNEL_REPORT_SC,
 180         .u.mchk.mcic = s390_build_validity_mcic() | MCIC_SC_CP,
 181     };
 182
 183     kvm_s390_inject_flic(fs, &irq);
 184 }
 185
 186 static int kvm_s390_clear_io_flic(S390FLICState *fs, uint16_t subchannel_id,
 187                            uint16_t subchannel_nr)
 188 {
 189     KVMS390FLICState *flic = s390_get_kvm_flic(fs);
 190     int rc;
 191     uint32_t sid = subchannel_id << 16 | subchannel_nr;
 192     struct kvm_device_attr attr = {
 193         .group = KVM_DEV_FLIC_CLEAR_IO_IRQ,
 194         .addr = (uint64_t) &sid,
 195         .attr = sizeof(sid),
 196     };
 197     if (unlikely(!flic->clear_io_supported)) {
 198         return -ENOSYS;
 199     }
 200     rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
 201     return rc ? -errno : 0;
 202 }
 203
 204 static int kvm_s390_modify_ais_mode(S390FLICState *fs, uint8_t isc,
 205                                     uint16_t mode)
 206 {
 207     KVMS390FLICState *flic = s390_get_kvm_flic(fs);
 208     struct kvm_s390_ais_req req = {
 209         .isc = isc,
 210         .mode = mode,
 211     };
 212     struct kvm_device_attr attr = {
 213         .group = KVM_DEV_FLIC_AISM,
 214         .addr = (uint64_t)&req,
 215     };
 216
 217     if (!fs->ais_supported) {
 218         return -ENOSYS;
 219     }
 220
 221     return ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr) ? -errno : 0;
 222 }
 223
 224 static int kvm_s390_inject_airq(S390FLICState *fs, uint8_t type,
 225                                 uint8_t isc, uint8_t flags)
 226 {
 227     KVMS390FLICState *flic = s390_get_kvm_flic(fs);
 228     uint32_t id = css_get_adapter_id(type, isc);
 229     struct kvm_device_attr attr = {
 230         .group = KVM_DEV_FLIC_AIRQ_INJECT,
 231         .attr = id,
 232     };
 233
 234     if (!fs->ais_supported) {
 235         return -ENOSYS;
 236     }
 237
 238     return ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr) ? -errno : 0;
 239 }
 240
 241 /**
 242  * __get_all_irqs - store all pending irqs in buffer
 243  * @flic: pointer to flic device state
 244  * @buf: pointer to pointer to a buffer
 245  * @len: length of buffer
 246  *
 247  * Returns: return value of flic_get_all_irqs
 248  * Note: Retry and increase buffer size until flic_get_all_irqs
 249  * either returns a value >= 0 or a negative error code.
 250  * -ENOMEM is an exception, which means the buffer is too small
 251  * and we should try again. Other negative error codes can be
 252  * -EFAULT and -EINVAL which we ignore at this point
 253  */
 254 static int __get_all_irqs(KVMS390FLICState *flic,
 255                           void **buf, int len)
 256 {
 257     int r;
 258
 259     do {
 260         /* returns -ENOMEM if buffer is too small and number
 261          * of queued interrupts on success */
 262         r = flic_get_all_irqs(flic, *buf, len);
 263         if (r >= 0) {
 264             break;
 265         }
 266         len *= 2;
 267         *buf = g_try_realloc(*buf, len);
 268         if (!buf) {
 269             return -ENOMEM;
 270         }
 271     } while (r == -ENOMEM && len <= KVM_S390_FLIC_MAX_BUFFER);
 272
 273     return r;
 274 }
 275
 276 static int kvm_s390_register_io_adapter(S390FLICState *fs, uint32_t id,
 277                                         uint8_t isc, bool swap,
 278                                         bool is_maskable, uint8_t flags)
 279 {
 280     struct kvm_s390_io_adapter adapter = {
 281         .id = id,
 282         .isc = isc,
 283         .maskable = is_maskable,
 284         .swap = swap,
 285         .flags = flags,
 286     };
 287     KVMS390FLICState *flic = KVM_S390_FLIC(fs);
 288     int r;
 289     struct kvm_device_attr attr = {
 290         .group = KVM_DEV_FLIC_ADAPTER_REGISTER,
 291         .addr = (uint64_t)&adapter,
 292     };
 293
 294     if (!kvm_gsi_routing_enabled()) {
 295         /* nothing to do */
 296         return 0;
 297     }
 298
 299     r = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
 300
 301     return r ? -errno : 0;
 302 }
 303
 304 static int kvm_s390_io_adapter_map(S390FLICState *fs, uint32_t id,
 305                                    uint64_t map_addr, bool do_map)
 306 {
 307     struct kvm_s390_io_adapter_req req = {
 308         .id = id,
 309         .type = do_map ? KVM_S390_IO_ADAPTER_MAP : KVM_S390_IO_ADAPTER_UNMAP,
 310         .addr = map_addr,
 311     };
 312     struct kvm_device_attr attr = {
 313         .group = KVM_DEV_FLIC_ADAPTER_MODIFY,
 314         .addr = (uint64_t)&req,
 315     };
 316     KVMS390FLICState *flic = s390_get_kvm_flic(fs);
 317     int r;
 318
 319     if (!kvm_gsi_routing_enabled()) {
 320         /* nothing to do */
 321         return 0;
 322     }
 323
 324     r = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
 325     return r ? -errno : 0;
 326 }
 327
 328 static int kvm_s390_add_adapter_routes(S390FLICState *fs,
 329                                        AdapterRoutes *routes)
 330 {
 331     int ret, i;
 332     uint64_t ind_offset = routes->adapter.ind_offset;
 333
 334     for (i = 0; i < routes->num_routes; i++) {
 335         ret = kvm_irqchip_add_adapter_route(kvm_state, &routes->adapter);
 336         if (ret < 0) {
 337             goto out_undo;
 338         }
 339         routes->gsi[i] = ret;
 340         routes->adapter.ind_offset++;
 341     }
 342     kvm_irqchip_commit_routes(kvm_state);
 343
 344     /* Restore passed-in structure to original state. */
 345     routes->adapter.ind_offset = ind_offset;
 346     return 0;
 347 out_undo:
 348     while (--i >= 0) {
 349         kvm_irqchip_release_virq(kvm_state, routes->gsi[i]);
 350         routes->gsi[i] = -1;
 351     }
 352     routes->adapter.ind_offset = ind_offset;
 353     return ret;
 354 }
 355
 356 static void kvm_s390_release_adapter_routes(S390FLICState *fs,
 357                                             AdapterRoutes *routes)
 358 {
 359     int i;
 360
 361     for (i = 0; i < routes->num_routes; i++) {
 362         if (routes->gsi[i] >= 0) {
 363             kvm_irqchip_release_virq(kvm_state, routes->gsi[i]);
 364             routes->gsi[i] = -1;
 365         }
 366     }
 367 }
 368
 369 /**
 370  * kvm_flic_save - Save pending floating interrupts
 371  * @f: QEMUFile containing migration state
 372  * @opaque: pointer to flic device state
 373  * @size: ignored
 374  *
 375  * Note: Pass buf and len to kernel. Start with one page and
 376  * increase until buffer is sufficient or maxium size is
 377  * reached
 378  */
 379 static int kvm_flic_save(QEMUFile *f, void *opaque, size_t size,
 380                          const VMStateField *field, QJSON *vmdesc)
 381 {
 382     KVMS390FLICState *flic = opaque;
 383     int len = FLIC_SAVE_INITIAL_SIZE;
 384     void *buf;
 385     int count;
 386     int r = 0;
 387
 388     flic_disable_wait_pfault((struct KVMS390FLICState *) opaque);
 389
 390     buf = g_try_malloc0(len);
 391     if (!buf) {
 392         /* Storing FLIC_FAILED into the count field here will cause the
 393          * target system to fail when attempting to load irqs from the
 394          * migration state */
 395         error_report("flic: couldn't allocate memory");
 396         qemu_put_be64(f, FLIC_FAILED);
 397         return -ENOMEM;
 398     }
 399
 400     count = __get_all_irqs(flic, &buf, len);
 401     if (count < 0) {
 402         error_report("flic: couldn't retrieve irqs from kernel, rc %d",
 403                      count);
 404         /* Storing FLIC_FAILED into the count field here will cause the
 405          * target system to fail when attempting to load irqs from the
 406          * migration state */
 407         qemu_put_be64(f, FLIC_FAILED);
 408         r = count;
 409     } else {
 410         qemu_put_be64(f, count);
 411         qemu_put_buffer(f, (uint8_t *) buf,
 412                         count * sizeof(struct kvm_s390_irq));
 413     }
 414     g_free(buf);
 415
 416     return r;
 417 }
 418
 419 /**
 420  * kvm_flic_load - Load pending floating interrupts
 421  * @f: QEMUFile containing migration state
 422  * @opaque: pointer to flic device state
 423  * @size: ignored
 424  *
 425  * Returns: value of flic_enqueue_irqs, -EINVAL on error
 426  * Note: Do nothing when no interrupts where stored
 427  * in QEMUFile
 428  */
 429 static int kvm_flic_load(QEMUFile *f, void *opaque, size_t size,
 430                          const VMStateField *field)
 431 {
 432     uint64_t len = 0;
 433     uint64_t count = 0;
 434     void *buf = NULL;
 435     int r = 0;
 436
 437     flic_enable_pfault((struct KVMS390FLICState *) opaque);
 438
 439     count = qemu_get_be64(f);
 440     len = count * sizeof(struct kvm_s390_irq);
 441     if (count == FLIC_FAILED) {
 442         r = -EINVAL;
 443         goto out;
 444     }
 445     if (count == 0) {
 446         r = 0;
 447         goto out;
 448     }
 449     buf = g_try_malloc0(len);
 450     if (!buf) {
 451         r = -ENOMEM;
 452         goto out;
 453     }
 454
 455     if (qemu_get_buffer(f, (uint8_t *) buf, len) != len) {
 456         r = -EINVAL;
 457         goto out_free;
 458     }
 459     r = flic_enqueue_irqs(buf, len, (struct KVMS390FLICState *) opaque);
 460
 461 out_free:
 462     g_free(buf);
 463 out:
 464     return r;
 465 }
 466
 467 typedef struct KVMS390FLICStateMigTmp {
 468     KVMS390FLICState *parent;
 469     uint8_t simm;
 470     uint8_t nimm;
 471 } KVMS390FLICStateMigTmp;
 472
 473 static int kvm_flic_ais_pre_save(void *opaque)
 474 {
 475     KVMS390FLICStateMigTmp *tmp = opaque;
 476     KVMS390FLICState *flic = tmp->parent;
 477     struct kvm_s390_ais_all ais;
 478     struct kvm_device_attr attr = {
 479         .group = KVM_DEV_FLIC_AISM_ALL,
 480         .addr = (uint64_t)&ais,
 481         .attr = sizeof(ais),
 482     };
 483
 484     if (ioctl(flic->fd, KVM_GET_DEVICE_ATTR, &attr)) {
 485         error_report("Failed to retrieve kvm flic ais states");
 486         return -EINVAL;
 487     }
 488
 489     tmp->simm = ais.simm;
 490     tmp->nimm = ais.nimm;
 491
 492     return 0;
 493 }
 494
 495 static int kvm_flic_ais_post_load(void *opaque, int version_id)
 496 {
 497     KVMS390FLICStateMigTmp *tmp = opaque;
 498     KVMS390FLICState *flic = tmp->parent;
 499     struct kvm_s390_ais_all ais = {
 500         .simm = tmp->simm,
 501         .nimm = tmp->nimm,
 502     };
 503     struct kvm_device_attr attr = {
 504         .group = KVM_DEV_FLIC_AISM_ALL,
 505         .addr = (uint64_t)&ais,
 506     };
 507
 508     /* This can happen when the user mis-configures its guests in an
 509      * incompatible fashion or without a CPU model. For example using
 510      * qemu with -cpu host (which is not migration safe) and do a
 511      * migration from a host that has AIS to a host that has no AIS.
 512      * In that case the target system will reject the migration here.
 513      */
 514     if (!ais_needed(flic)) {
 515         return -ENOSYS;
 516     }
 517
 518     return ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr) ? -errno : 0;
 519 }
 520
 521 static const VMStateDescription kvm_s390_flic_ais_tmp = {
 522     .name = "s390-flic-ais-tmp",
 523     .pre_save = kvm_flic_ais_pre_save,
 524     .post_load = kvm_flic_ais_post_load,
 525     .fields = (VMStateField[]) {
 526         VMSTATE_UINT8(simm, KVMS390FLICStateMigTmp),
 527         VMSTATE_UINT8(nimm, KVMS390FLICStateMigTmp),
 528         VMSTATE_END_OF_LIST()
 529     }
 530 };
 531
 532 static const VMStateDescription kvm_s390_flic_vmstate_ais = {
 533     .name = "s390-flic/ais",
 534     .version_id = 1,
 535     .minimum_version_id = 1,
 536     .needed = ais_needed,
 537     .fields = (VMStateField[]) {
 538         VMSTATE_WITH_TMP(KVMS390FLICState, KVMS390FLICStateMigTmp,
 539                          kvm_s390_flic_ais_tmp),
 540         VMSTATE_END_OF_LIST()
 541     }
 542 };
 543
 544 static const VMStateDescription kvm_s390_flic_vmstate = {
 545     /* should have been like kvm-s390-flic,
 546      * can't change without breaking compat */
 547     .name = "s390-flic",
 548     .version_id = FLIC_SAVEVM_VERSION,
 549     .minimum_version_id = FLIC_SAVEVM_VERSION,
 550     .fields = (VMStateField[]) {
 551         {
 552             .name = "irqs",
 553             .info = &(const VMStateInfo) {
 554                 .name = "irqs",
 555                 .get = kvm_flic_load,
 556                 .put = kvm_flic_save,
 557             },
 558             .flags = VMS_SINGLE,
 559         },
 560         VMSTATE_END_OF_LIST()
 561     },
 562     .subsections = (const VMStateDescription * []) {
 563         &kvm_s390_flic_vmstate_ais,
 564         NULL
 565     }
 566 };
 567
 568 typedef struct KVMS390FLICStateClass {
 569     S390FLICStateClass parent_class;
 570     DeviceRealize parent_realize;
 571 } KVMS390FLICStateClass;
 572
 573 #define KVM_S390_FLIC_GET_CLASS(obj) \
 574     OBJECT_GET_CLASS(KVMS390FLICStateClass, (obj), TYPE_KVM_S390_FLIC)
 575
 576 #define KVM_S390_FLIC_CLASS(klass) \
 577     OBJECT_CLASS_CHECK(KVMS390FLICStateClass, (klass), TYPE_KVM_S390_FLIC)
 578
 579 static void kvm_s390_flic_realize(DeviceState *dev, Error **errp)
 580 {
 581     KVMS390FLICState *flic_state = KVM_S390_FLIC(dev);
 582     struct kvm_create_device cd = {0};
 583     struct kvm_device_attr test_attr = {0};
 584     int ret;
 585     Error *err = NULL;
 586
 587     KVM_S390_FLIC_GET_CLASS(dev)->parent_realize(dev, &err);
 588     if (err) {
 589         error_propagate(errp, err);
 590         return;
 591     }
 592     flic_state->fd = -1;
 593
 594     cd.type = KVM_DEV_TYPE_FLIC;
 595     ret = kvm_vm_ioctl(kvm_state, KVM_CREATE_DEVICE, &cd);
 596     if (ret < 0) {
 597         error_setg_errno(errp, errno, "Creating the KVM device failed");
 598         trace_flic_create_device(errno);
 599         return;
 600     }
 601     flic_state->fd = cd.fd;
 602
 603     /* Check clear_io_irq support */
 604     test_attr.group = KVM_DEV_FLIC_CLEAR_IO_IRQ;
 605     flic_state->clear_io_supported = !ioctl(flic_state->fd,
 606                                             KVM_HAS_DEVICE_ATTR, test_attr);
 607 }
 608
 609 static void kvm_s390_flic_reset(DeviceState *dev)
 610 {
 611     KVMS390FLICState *flic = KVM_S390_FLIC(dev);
 612     S390FLICState *fs = S390_FLIC_COMMON(dev);
 613     struct kvm_device_attr attr = {
 614         .group = KVM_DEV_FLIC_CLEAR_IRQS,
 615     };
 616     int rc = 0;
 617     uint8_t isc;
 618
 619     if (flic->fd == -1) {
 620         return;
 621     }
 622
 623     flic_disable_wait_pfault(flic);
 624
 625     if (fs->ais_supported) {
 626         for (isc = 0; isc <= MAX_ISC; isc++) {
 627             rc = kvm_s390_modify_ais_mode(fs, isc, SIC_IRQ_MODE_ALL);
 628             if (rc) {
 629                 error_report("Failed to reset ais mode for isc %d: %s",
 630                              isc, strerror(-rc));
 631             }
 632         }
 633     }
 634
 635     rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
 636     if (rc) {
 637         trace_flic_reset_failed(errno);
 638     }
 639
 640     flic_enable_pfault(flic);
 641 }
 642
 643 static void kvm_s390_flic_class_init(ObjectClass *oc, void *data)
 644 {
 645     DeviceClass *dc = DEVICE_CLASS(oc);
 646     S390FLICStateClass *fsc = S390_FLIC_COMMON_CLASS(oc);
 647
 648     KVM_S390_FLIC_CLASS(oc)->parent_realize = dc->realize;
 649     dc->realize = kvm_s390_flic_realize;
 650     dc->vmsd = &kvm_s390_flic_vmstate;
 651     dc->reset = kvm_s390_flic_reset;
 652     fsc->register_io_adapter = kvm_s390_register_io_adapter;
 653     fsc->io_adapter_map = kvm_s390_io_adapter_map;
 654     fsc->add_adapter_routes = kvm_s390_add_adapter_routes;
 655     fsc->release_adapter_routes = kvm_s390_release_adapter_routes;
 656     fsc->clear_io_irq = kvm_s390_clear_io_flic;
 657     fsc->modify_ais_mode = kvm_s390_modify_ais_mode;
 658     fsc->inject_airq = kvm_s390_inject_airq;
 659     fsc->inject_service = kvm_s390_inject_service;
 660     fsc->inject_io = kvm_s390_inject_io;
 661     fsc->inject_crw_mchk = kvm_s390_inject_crw_mchk;
 662 }
 663
 664 static const TypeInfo kvm_s390_flic_info = {
 665     .name          = TYPE_KVM_S390_FLIC,
 666     .parent        = TYPE_S390_FLIC_COMMON,
 667     .instance_size = sizeof(KVMS390FLICState),
 668     .class_size    = sizeof(KVMS390FLICStateClass),
 669     .class_init    = kvm_s390_flic_class_init,
 670 };
 671
 672 static void kvm_s390_flic_register_types(void)
 673 {
 674     type_register_static(&kvm_s390_flic_info);
 675 }
 676
 677 type_init(kvm_s390_flic_register_types)