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 "kvm/kvm_s390x.h"
  15 #include <sys/ioctl.h>
  16 #include "qemu/error-report.h"
  17 #include "qemu/module.h"
  18 #include "qapi/error.h"
  19 #include "sysemu/kvm.h"
  20 #include "hw/s390x/s390_flic.h"
  21 #include "hw/s390x/adapter.h"
  22 #include "hw/s390x/css.h"
  23 #include "migration/qemu-file-types.h"
  24 #include "trace.h"
  25 #include "qom/object.h"
  26
  27 #define FLIC_SAVE_INITIAL_SIZE qemu_real_host_page_size()
  28 #define FLIC_FAILED (-1UL)
  29 #define FLIC_SAVEVM_VERSION 1
  30
  31 struct KVMS390FLICState{
  32     S390FLICState parent_obj;
  33
  34     uint32_t fd;
  35     bool clear_io_supported;
  36 };
  37
  38 static KVMS390FLICState *s390_get_kvm_flic(S390FLICState *fs)
  39 {
  40     static KVMS390FLICState *flic;
  41
  42     if (!flic) {
  43         /* we only have one flic device, so this is fine to cache */
  44         flic = KVM_S390_FLIC(fs);
  45     }
  46     return flic;
  47 }
  48
  49 /**
  50  * flic_get_all_irqs - store all pending irqs in buffer
  51  * @buf: pointer to buffer which is passed to kernel
  52  * @len: length of buffer
  53  * @flic: pointer to flic device state
  54  *
  55  * Returns: -ENOMEM if buffer is too small,
  56  * -EINVAL if attr.group is invalid,
  57  * -EFAULT if copying to userspace failed,
  58  * on success return number of stored interrupts
  59  */
  60 static int flic_get_all_irqs(KVMS390FLICState *flic,
  61                              void *buf, int len)
  62 {
  63     struct kvm_device_attr attr = {
  64         .group = KVM_DEV_FLIC_GET_ALL_IRQS,
  65         .addr = (uint64_t) buf,
  66         .attr = len,
  67     };
  68     int rc;
  69
  70     rc = ioctl(flic->fd, KVM_GET_DEVICE_ATTR, &attr);
  71
  72     return rc == -1 ? -errno : rc;
  73 }
  74
  75 static void flic_enable_pfault(KVMS390FLICState *flic)
  76 {
  77     struct kvm_device_attr attr = {
  78         .group = KVM_DEV_FLIC_APF_ENABLE,
  79     };
  80     int rc;
  81
  82     rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
  83
  84     if (rc) {
  85         fprintf(stderr, "flic: couldn't enable pfault\n");
  86     }
  87 }
  88
  89 static void flic_disable_wait_pfault(KVMS390FLICState *flic)
  90 {
  91     struct kvm_device_attr attr = {
  92         .group = KVM_DEV_FLIC_APF_DISABLE_WAIT,
  93     };
  94     int rc;
  95
  96     rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
  97
  98     if (rc) {
  99         fprintf(stderr, "flic: couldn't disable pfault\n");
 100     }
 101 }
 102
 103 /** flic_enqueue_irqs - returns 0 on success
 104  * @buf: pointer to buffer which is passed to kernel
 105  * @len: length of buffer
 106  * @flic: pointer to flic device state
 107  *
 108  * Returns: -EINVAL if attr.group is unknown
 109  */
 110 static int flic_enqueue_irqs(void *buf, uint64_t len,
 111                             KVMS390FLICState *flic)
 112 {
 113     int rc;
 114     struct kvm_device_attr attr = {
 115         .group = KVM_DEV_FLIC_ENQUEUE,
 116         .addr = (uint64_t) buf,
 117         .attr = len,
 118     };
 119
 120     rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
 121
 122     return rc ? -errno : 0;
 123 }
 124
 125 static void kvm_s390_inject_flic(S390FLICState *fs, struct kvm_s390_irq *irq)
 126 {
 127     static bool use_flic = true;
 128     int r;
 129
 130     if (use_flic) {
 131         r = flic_enqueue_irqs(irq, sizeof(*irq), s390_get_kvm_flic(fs));
 132         if (r == -ENOSYS) {
 133             use_flic = false;
 134         }
 135         if (!r) {
 136             return;
 137         }
 138     }
 139     /* fallback to legacy KVM IOCTL in case FLIC fails */
 140     kvm_s390_floating_interrupt_legacy(irq);
 141 }
 142
 143 static void kvm_s390_inject_service(S390FLICState *fs, uint32_t parm)
 144 {
 145         struct kvm_s390_irq irq = {
 146         .type = KVM_S390_INT_SERVICE,
 147         .u.ext.ext_params = parm,
 148     };
 149
 150     kvm_s390_inject_flic(fs, &irq);
 151 }
 152
 153 static void kvm_s390_inject_io(S390FLICState *fs, uint16_t subchannel_id,
 154                                uint16_t subchannel_nr, uint32_t io_int_parm,
 155                                uint32_t io_int_word)
 156 {
 157     struct kvm_s390_irq irq = {
 158         .u.io.subchannel_id = subchannel_id,
 159         .u.io.subchannel_nr = subchannel_nr,
 160         .u.io.io_int_parm = io_int_parm,
 161         .u.io.io_int_word = io_int_word,
 162     };
 163
 164     if (io_int_word & IO_INT_WORD_AI) {
 165         irq.type = KVM_S390_INT_IO(1, 0, 0, 0);
 166     } else {
 167         irq.type = KVM_S390_INT_IO(0, (subchannel_id & 0xff00) >> 8,
 168                                       (subchannel_id & 0x0006),
 169                                       subchannel_nr);
 170     }
 171     kvm_s390_inject_flic(fs, &irq);
 172 }
 173
 174 static void kvm_s390_inject_crw_mchk(S390FLICState *fs)
 175 {
 176     struct kvm_s390_irq irq = {
 177         .type = KVM_S390_MCHK,
 178         .u.mchk.cr14 = CR14_CHANNEL_REPORT_SC,
 179         .u.mchk.mcic = s390_build_validity_mcic() | MCIC_SC_CP,
 180     };
 181
 182     kvm_s390_inject_flic(fs, &irq);
 183 }
 184
 185 static int kvm_s390_clear_io_flic(S390FLICState *fs, uint16_t subchannel_id,
 186                            uint16_t subchannel_nr)
 187 {
 188     KVMS390FLICState *flic = s390_get_kvm_flic(fs);
 189     int rc;
 190     uint32_t sid = subchannel_id << 16 | subchannel_nr;
 191     struct kvm_device_attr attr = {
 192         .group = KVM_DEV_FLIC_CLEAR_IO_IRQ,
 193         .addr = (uint64_t) &sid,
 194         .attr = sizeof(sid),
 195     };
 196     if (unlikely(!flic->clear_io_supported)) {
 197         return -ENOSYS;
 198     }
 199     rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
 200     return rc ? -errno : 0;
 201 }
 202
 203 static int kvm_s390_modify_ais_mode(S390FLICState *fs, uint8_t isc,
 204                                     uint16_t mode)
 205 {
 206     KVMS390FLICState *flic = s390_get_kvm_flic(fs);
 207     struct kvm_s390_ais_req req = {
 208         .isc = isc,
 209         .mode = mode,
 210     };
 211     struct kvm_device_attr attr = {
 212         .group = KVM_DEV_FLIC_AISM,
 213         .addr = (uint64_t)&req,
 214     };
 215
 216     if (!fs->ais_supported) {
 217         return -ENOSYS;
 218     }
 219
 220     return ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr) ? -errno : 0;
 221 }
 222
 223 static int kvm_s390_inject_airq(S390FLICState *fs, uint8_t type,
 224                                 uint8_t isc, uint8_t flags)
 225 {
 226     KVMS390FLICState *flic = s390_get_kvm_flic(fs);
 227     uint32_t id = css_get_adapter_id(type, isc);
 228     struct kvm_device_attr attr = {
 229         .group = KVM_DEV_FLIC_AIRQ_INJECT,
 230         .attr = id,
 231     };
 232
 233     if (!fs->ais_supported) {
 234         return -ENOSYS;
 235     }
 236
 237     return ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr) ? -errno : 0;
 238 }
 239
 240 /**
 241  * __get_all_irqs - store all pending irqs in buffer
 242  * @flic: pointer to flic device state
 243  * @buf: pointer to pointer to a buffer
 244  * @len: length of buffer
 245  *
 246  * Returns: return value of flic_get_all_irqs
 247  * Note: Retry and increase buffer size until flic_get_all_irqs
 248  * either returns a value >= 0 or a negative error code.
 249  * -ENOMEM is an exception, which means the buffer is too small
 250  * and we should try again. Other negative error codes can be
 251  * -EFAULT and -EINVAL which we ignore at this point
 252  */
 253 static int __get_all_irqs(KVMS390FLICState *flic,
 254                           void **buf, int len)
 255 {
 256     int r;
 257
 258     do {
 259         /* returns -ENOMEM if buffer is too small and number
 260          * of queued interrupts on success */
 261         r = flic_get_all_irqs(flic, *buf, len);
 262         if (r >= 0) {
 263             break;
 264         }
 265         len *= 2;
 266         *buf = g_try_realloc(*buf, len);
 267         if (!buf) {
 268             return -ENOMEM;
 269         }
 270     } while (r == -ENOMEM && len <= KVM_S390_FLIC_MAX_BUFFER);
 271
 272     return r;
 273 }
 274
 275 static int kvm_s390_register_io_adapter(S390FLICState *fs, uint32_t id,
 276                                         uint8_t isc, bool swap,
 277                                         bool is_maskable, uint8_t flags)
 278 {
 279     struct kvm_s390_io_adapter adapter = {
 280         .id = id,
 281         .isc = isc,
 282         .maskable = is_maskable,
 283         .swap = swap,
 284         .flags = flags,
 285     };
 286     KVMS390FLICState *flic = KVM_S390_FLIC(fs);
 287     int r;
 288     struct kvm_device_attr attr = {
 289         .group = KVM_DEV_FLIC_ADAPTER_REGISTER,
 290         .addr = (uint64_t)&adapter,
 291     };
 292
 293     if (!kvm_gsi_routing_enabled()) {
 294         /* nothing to do */
 295         return 0;
 296     }
 297
 298     r = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
 299
 300     return r ? -errno : 0;
 301 }
 302
 303 static int kvm_s390_io_adapter_map(S390FLICState *fs, uint32_t id,
 304                                    uint64_t map_addr, bool do_map)
 305 {
 306     struct kvm_s390_io_adapter_req req = {
 307         .id = id,
 308         .type = do_map ? KVM_S390_IO_ADAPTER_MAP : KVM_S390_IO_ADAPTER_UNMAP,
 309         .addr = map_addr,
 310     };
 311     struct kvm_device_attr attr = {
 312         .group = KVM_DEV_FLIC_ADAPTER_MODIFY,
 313         .addr = (uint64_t)&req,
 314     };
 315     KVMS390FLICState *flic = s390_get_kvm_flic(fs);
 316     int r;
 317
 318     if (!kvm_gsi_routing_enabled()) {
 319         /* nothing to do */
 320         return 0;
 321     }
 322
 323     r = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
 324     return r ? -errno : 0;
 325 }
 326
 327 static int kvm_s390_add_adapter_routes(S390FLICState *fs,
 328                                        AdapterRoutes *routes)
 329 {
 330     int ret, i;
 331     uint64_t ind_offset = routes->adapter.ind_offset;
 332
 333     if (!kvm_gsi_routing_enabled()) {
 334         return -ENOSYS;
 335     }
 336
 337     for (i = 0; i < routes->num_routes; i++) {
 338         ret = kvm_irqchip_add_adapter_route(kvm_state, &routes->adapter);
 339         if (ret < 0) {
 340             goto out_undo;
 341         }
 342         routes->gsi[i] = ret;
 343         routes->adapter.ind_offset++;
 344     }
 345     kvm_irqchip_commit_routes(kvm_state);
 346
 347     /* Restore passed-in structure to original state. */
 348     routes->adapter.ind_offset = ind_offset;
 349     return 0;
 350 out_undo:
 351     while (--i >= 0) {
 352         kvm_irqchip_release_virq(kvm_state, routes->gsi[i]);
 353         routes->gsi[i] = -1;
 354     }
 355     routes->adapter.ind_offset = ind_offset;
 356     return ret;
 357 }
 358
 359 static void kvm_s390_release_adapter_routes(S390FLICState *fs,
 360                                             AdapterRoutes *routes)
 361 {
 362     int i;
 363
 364     if (!kvm_gsi_routing_enabled()) {
 365         return;
 366     }
 367
 368     for (i = 0; i < routes->num_routes; i++) {
 369         if (routes->gsi[i] >= 0) {
 370             kvm_irqchip_release_virq(kvm_state, routes->gsi[i]);
 371             routes->gsi[i] = -1;
 372         }
 373     }
 374 }
 375
 376 /**
 377  * kvm_flic_save - Save pending floating interrupts
 378  * @f: QEMUFile containing migration state
 379  * @opaque: pointer to flic device state
 380  * @size: ignored
 381  *
 382  * Note: Pass buf and len to kernel. Start with one page and
 383  * increase until buffer is sufficient or maxium size is
 384  * reached
 385  */
 386 static int kvm_flic_save(QEMUFile *f, void *opaque, size_t size,
 387                          const VMStateField *field, JSONWriter *vmdesc)
 388 {
 389     KVMS390FLICState *flic = opaque;
 390     int len = FLIC_SAVE_INITIAL_SIZE;
 391     void *buf;
 392     int count;
 393     int r = 0;
 394
 395     flic_disable_wait_pfault((struct KVMS390FLICState *) opaque);
 396
 397     buf = g_try_malloc0(len);
 398     if (!buf) {
 399         /* Storing FLIC_FAILED into the count field here will cause the
 400          * target system to fail when attempting to load irqs from the
 401          * migration state */
 402         error_report("flic: couldn't allocate memory");
 403         qemu_put_be64(f, FLIC_FAILED);
 404         return -ENOMEM;
 405     }
 406
 407     count = __get_all_irqs(flic, &buf, len);
 408     if (count < 0) {
 409         error_report("flic: couldn't retrieve irqs from kernel, rc %d",
 410                      count);
 411         /* Storing FLIC_FAILED into the count field here will cause the
 412          * target system to fail when attempting to load irqs from the
 413          * migration state */
 414         qemu_put_be64(f, FLIC_FAILED);
 415         r = count;
 416     } else {
 417         qemu_put_be64(f, count);
 418         qemu_put_buffer(f, (uint8_t *) buf,
 419                         count * sizeof(struct kvm_s390_irq));
 420     }
 421     g_free(buf);
 422
 423     return r;
 424 }
 425
 426 /**
 427  * kvm_flic_load - Load pending floating interrupts
 428  * @f: QEMUFile containing migration state
 429  * @opaque: pointer to flic device state
 430  * @size: ignored
 431  *
 432  * Returns: value of flic_enqueue_irqs, -EINVAL on error
 433  * Note: Do nothing when no interrupts where stored
 434  * in QEMUFile
 435  */
 436 static int kvm_flic_load(QEMUFile *f, void *opaque, size_t size,
 437                          const VMStateField *field)
 438 {
 439     uint64_t len = 0;
 440     uint64_t count = 0;
 441     void *buf = NULL;
 442     int r = 0;
 443
 444     flic_enable_pfault((struct KVMS390FLICState *) opaque);
 445
 446     count = qemu_get_be64(f);
 447     len = count * sizeof(struct kvm_s390_irq);
 448     if (count == FLIC_FAILED) {
 449         return -EINVAL;
 450     }
 451     if (count == 0) {
 452         return 0;
 453     }
 454     buf = g_try_malloc0(len);
 455     if (!buf) {
 456         return -ENOMEM;
 457     }
 458
 459     if (qemu_get_buffer(f, (uint8_t *) buf, len) != len) {
 460         r = -EINVAL;
 461         goto out_free;
 462     }
 463     r = flic_enqueue_irqs(buf, len, (struct KVMS390FLICState *) opaque);
 464
 465 out_free:
 466     g_free(buf);
 467     return r;
 468 }
 469
 470 typedef struct KVMS390FLICStateMigTmp {
 471     KVMS390FLICState *parent;
 472     uint8_t simm;
 473     uint8_t nimm;
 474 } KVMS390FLICStateMigTmp;
 475
 476 static int kvm_flic_ais_pre_save(void *opaque)
 477 {
 478     KVMS390FLICStateMigTmp *tmp = opaque;
 479     KVMS390FLICState *flic = tmp->parent;
 480     struct kvm_s390_ais_all ais;
 481     struct kvm_device_attr attr = {
 482         .group = KVM_DEV_FLIC_AISM_ALL,
 483         .addr = (uint64_t)&ais,
 484         .attr = sizeof(ais),
 485     };
 486
 487     if (ioctl(flic->fd, KVM_GET_DEVICE_ATTR, &attr)) {
 488         error_report("Failed to retrieve kvm flic ais states");
 489         return -EINVAL;
 490     }
 491
 492     tmp->simm = ais.simm;
 493     tmp->nimm = ais.nimm;
 494
 495     return 0;
 496 }
 497
 498 static int kvm_flic_ais_post_load(void *opaque, int version_id)
 499 {
 500     KVMS390FLICStateMigTmp *tmp = opaque;
 501     KVMS390FLICState *flic = tmp->parent;
 502     struct kvm_s390_ais_all ais = {
 503         .simm = tmp->simm,
 504         .nimm = tmp->nimm,
 505     };
 506     struct kvm_device_attr attr = {
 507         .group = KVM_DEV_FLIC_AISM_ALL,
 508         .addr = (uint64_t)&ais,
 509     };
 510
 511     /* This can happen when the user mis-configures its guests in an
 512      * incompatible fashion or without a CPU model. For example using
 513      * qemu with -cpu host (which is not migration safe) and do a
 514      * migration from a host that has AIS to a host that has no AIS.
 515      * In that case the target system will reject the migration here.
 516      */
 517     if (!ais_needed(flic)) {
 518         return -ENOSYS;
 519     }
 520
 521     return ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr) ? -errno : 0;
 522 }
 523
 524 static const VMStateDescription kvm_s390_flic_ais_tmp = {
 525     .name = "s390-flic-ais-tmp",
 526     .pre_save = kvm_flic_ais_pre_save,
 527     .post_load = kvm_flic_ais_post_load,
 528     .fields = (VMStateField[]) {
 529         VMSTATE_UINT8(simm, KVMS390FLICStateMigTmp),
 530         VMSTATE_UINT8(nimm, KVMS390FLICStateMigTmp),
 531         VMSTATE_END_OF_LIST()
 532     }
 533 };
 534
 535 static const VMStateDescription kvm_s390_flic_vmstate_ais = {
 536     .name = "s390-flic/ais",
 537     .version_id = 1,
 538     .minimum_version_id = 1,
 539     .needed = ais_needed,
 540     .fields = (VMStateField[]) {
 541         VMSTATE_WITH_TMP(KVMS390FLICState, KVMS390FLICStateMigTmp,
 542                          kvm_s390_flic_ais_tmp),
 543         VMSTATE_END_OF_LIST()
 544     }
 545 };
 546
 547 static const VMStateDescription kvm_s390_flic_vmstate = {
 548     /* should have been like kvm-s390-flic,
 549      * can't change without breaking compat */
 550     .name = "s390-flic",
 551     .version_id = FLIC_SAVEVM_VERSION,
 552     .minimum_version_id = FLIC_SAVEVM_VERSION,
 553     .fields = (VMStateField[]) {
 554         {
 555             .name = "irqs",
 556             .info = &(const VMStateInfo) {
 557                 .name = "irqs",
 558                 .get = kvm_flic_load,
 559                 .put = kvm_flic_save,
 560             },
 561             .flags = VMS_SINGLE,
 562         },
 563         VMSTATE_END_OF_LIST()
 564     },
 565     .subsections = (const VMStateDescription * []) {
 566         &kvm_s390_flic_vmstate_ais,
 567         NULL
 568     }
 569 };
 570
 571 struct KVMS390FLICStateClass {
 572     S390FLICStateClass parent_class;
 573     DeviceRealize parent_realize;
 574 };
 575 typedef struct KVMS390FLICStateClass KVMS390FLICStateClass;
 576
 577 DECLARE_CLASS_CHECKERS(KVMS390FLICStateClass, KVM_S390_FLIC,
 578                        TYPE_KVM_S390_FLIC)
 579
 580
 581 static void kvm_s390_flic_realize(DeviceState *dev, Error **errp)
 582 {
 583     KVMS390FLICState *flic_state = KVM_S390_FLIC(dev);
 584     struct kvm_create_device cd = {0};
 585     struct kvm_device_attr test_attr = {0};
 586     int ret;
 587     Error *err = NULL;
 588
 589     KVM_S390_FLIC_GET_CLASS(dev)->parent_realize(dev, &err);
 590     if (err) {
 591         error_propagate(errp, err);
 592         return;
 593     }
 594     flic_state->fd = -1;
 595
 596     cd.type = KVM_DEV_TYPE_FLIC;
 597     ret = kvm_vm_ioctl(kvm_state, KVM_CREATE_DEVICE, &cd);
 598     if (ret < 0) {
 599         error_setg_errno(errp, errno, "Creating the KVM device failed");
 600         trace_flic_create_device(errno);
 601         return;
 602     }
 603     flic_state->fd = cd.fd;
 604
 605     /* Check clear_io_irq support */
 606     test_attr.group = KVM_DEV_FLIC_CLEAR_IO_IRQ;
 607     flic_state->clear_io_supported = !ioctl(flic_state->fd,
 608                                             KVM_HAS_DEVICE_ATTR, test_attr);
 609 }
 610
 611 static void kvm_s390_flic_reset(DeviceState *dev)
 612 {
 613     KVMS390FLICState *flic = KVM_S390_FLIC(dev);
 614     S390FLICState *fs = S390_FLIC_COMMON(dev);
 615     struct kvm_device_attr attr = {
 616         .group = KVM_DEV_FLIC_CLEAR_IRQS,
 617     };
 618     int rc = 0;
 619     uint8_t isc;
 620
 621     if (flic->fd == -1) {
 622         return;
 623     }
 624
 625     flic_disable_wait_pfault(flic);
 626
 627     if (fs->ais_supported) {
 628         for (isc = 0; isc <= MAX_ISC; isc++) {
 629             rc = kvm_s390_modify_ais_mode(fs, isc, SIC_IRQ_MODE_ALL);
 630             if (rc) {
 631                 error_report("Failed to reset ais mode for isc %d: %s",
 632                              isc, strerror(-rc));
 633             }
 634         }
 635     }
 636
 637     rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
 638     if (rc) {
 639         trace_flic_reset_failed(errno);
 640     }
 641
 642     flic_enable_pfault(flic);
 643 }
 644
 645 static void kvm_s390_flic_class_init(ObjectClass *oc, void *data)
 646 {
 647     DeviceClass *dc = DEVICE_CLASS(oc);
 648     S390FLICStateClass *fsc = S390_FLIC_COMMON_CLASS(oc);
 649
 650     KVM_S390_FLIC_CLASS(oc)->parent_realize = dc->realize;
 651     dc->realize = kvm_s390_flic_realize;
 652     dc->vmsd = &kvm_s390_flic_vmstate;
 653     dc->reset = kvm_s390_flic_reset;
 654     fsc->register_io_adapter = kvm_s390_register_io_adapter;
 655     fsc->io_adapter_map = kvm_s390_io_adapter_map;
 656     fsc->add_adapter_routes = kvm_s390_add_adapter_routes;
 657     fsc->release_adapter_routes = kvm_s390_release_adapter_routes;
 658     fsc->clear_io_irq = kvm_s390_clear_io_flic;
 659     fsc->modify_ais_mode = kvm_s390_modify_ais_mode;
 660     fsc->inject_airq = kvm_s390_inject_airq;
 661     fsc->inject_service = kvm_s390_inject_service;
 662     fsc->inject_io = kvm_s390_inject_io;
 663     fsc->inject_crw_mchk = kvm_s390_inject_crw_mchk;
 664 }
 665
 666 static const TypeInfo kvm_s390_flic_info = {
 667     .name          = TYPE_KVM_S390_FLIC,
 668     .parent        = TYPE_S390_FLIC_COMMON,
 669     .instance_size = sizeof(KVMS390FLICState),
 670     .class_size    = sizeof(KVMS390FLICStateClass),
 671     .class_init    = kvm_s390_flic_class_init,
 672 };
 673
 674 static void kvm_s390_flic_register_types(void)
 675 {
 676     type_register_static(&kvm_s390_flic_info);
 677 }
 678
 679 type_init(kvm_s390_flic_register_types)