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 #include "qom/object.h"
  28
  29 #define FLIC_SAVE_INITIAL_SIZE qemu_real_host_page_size
  30 #define FLIC_FAILED (-1UL)
  31 #define FLIC_SAVEVM_VERSION 1
  32
  33 struct KVMS390FLICState{
  34     S390FLICState parent_obj;
  35
  36     uint32_t fd;
  37     bool clear_io_supported;
  38 };
  39
  40 static KVMS390FLICState *s390_get_kvm_flic(S390FLICState *fs)
  41 {
  42     static KVMS390FLICState *flic;
  43
  44     if (!flic) {
  45         /* we only have one flic device, so this is fine to cache */
  46         flic = KVM_S390_FLIC(fs);
  47     }
  48     return flic;
  49 }
  50
  51 /**
  52  * flic_get_all_irqs - store all pending irqs in buffer
  53  * @buf: pointer to buffer which is passed to kernel
  54  * @len: length of buffer
  55  * @flic: pointer to flic device state
  56  *
  57  * Returns: -ENOMEM if buffer is too small,
  58  * -EINVAL if attr.group is invalid,
  59  * -EFAULT if copying to userspace failed,
  60  * on success return number of stored interrupts
  61  */
  62 static int flic_get_all_irqs(KVMS390FLICState *flic,
  63                              void *buf, int len)
  64 {
  65     struct kvm_device_attr attr = {
  66         .group = KVM_DEV_FLIC_GET_ALL_IRQS,
  67         .addr = (uint64_t) buf,
  68         .attr = len,
  69     };
  70     int rc;
  71
  72     rc = ioctl(flic->fd, KVM_GET_DEVICE_ATTR, &attr);
  73
  74     return rc == -1 ? -errno : rc;
  75 }
  76
  77 static void flic_enable_pfault(KVMS390FLICState *flic)
  78 {
  79     struct kvm_device_attr attr = {
  80         .group = KVM_DEV_FLIC_APF_ENABLE,
  81     };
  82     int rc;
  83
  84     rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
  85
  86     if (rc) {
  87         fprintf(stderr, "flic: couldn't enable pfault\n");
  88     }
  89 }
  90
  91 static void flic_disable_wait_pfault(KVMS390FLICState *flic)
  92 {
  93     struct kvm_device_attr attr = {
  94         .group = KVM_DEV_FLIC_APF_DISABLE_WAIT,
  95     };
  96     int rc;
  97
  98     rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
  99
 100     if (rc) {
 101         fprintf(stderr, "flic: couldn't disable pfault\n");
 102     }
 103 }
 104
 105 /** flic_enqueue_irqs - returns 0 on success
 106  * @buf: pointer to buffer which is passed to kernel
 107  * @len: length of buffer
 108  * @flic: pointer to flic device state
 109  *
 110  * Returns: -EINVAL if attr.group is unknown
 111  */
 112 static int flic_enqueue_irqs(void *buf, uint64_t len,
 113                             KVMS390FLICState *flic)
 114 {
 115     int rc;
 116     struct kvm_device_attr attr = {
 117         .group = KVM_DEV_FLIC_ENQUEUE,
 118         .addr = (uint64_t) buf,
 119         .attr = len,
 120     };
 121
 122     rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
 123
 124     return rc ? -errno : 0;
 125 }
 126
 127 static void kvm_s390_inject_flic(S390FLICState *fs, struct kvm_s390_irq *irq)
 128 {
 129     static bool use_flic = true;
 130     int r;
 131
 132     if (use_flic) {
 133         r = flic_enqueue_irqs(irq, sizeof(*irq), s390_get_kvm_flic(fs));
 134         if (r == -ENOSYS) {
 135             use_flic = false;
 136         }
 137         if (!r) {
 138             return;
 139         }
 140     }
 141     /* fallback to legacy KVM IOCTL in case FLIC fails */
 142     kvm_s390_floating_interrupt_legacy(irq);
 143 }
 144
 145 static void kvm_s390_inject_service(S390FLICState *fs, uint32_t parm)
 146 {
 147         struct kvm_s390_irq irq = {
 148         .type = KVM_S390_INT_SERVICE,
 149         .u.ext.ext_params = parm,
 150     };
 151
 152     kvm_s390_inject_flic(fs, &irq);
 153 }
 154
 155 static void kvm_s390_inject_io(S390FLICState *fs, uint16_t subchannel_id,
 156                                uint16_t subchannel_nr, uint32_t io_int_parm,
 157                                uint32_t io_int_word)
 158 {
 159     struct kvm_s390_irq irq = {
 160         .u.io.subchannel_id = subchannel_id,
 161         .u.io.subchannel_nr = subchannel_nr,
 162         .u.io.io_int_parm = io_int_parm,
 163         .u.io.io_int_word = io_int_word,
 164     };
 165
 166     if (io_int_word & IO_INT_WORD_AI) {
 167         irq.type = KVM_S390_INT_IO(1, 0, 0, 0);
 168     } else {
 169         irq.type = KVM_S390_INT_IO(0, (subchannel_id & 0xff00) >> 8,
 170                                       (subchannel_id & 0x0006),
 171                                       subchannel_nr);
 172     }
 173     kvm_s390_inject_flic(fs, &irq);
 174 }
 175
 176 static void kvm_s390_inject_crw_mchk(S390FLICState *fs)
 177 {
 178     struct kvm_s390_irq irq = {
 179         .type = KVM_S390_MCHK,
 180         .u.mchk.cr14 = CR14_CHANNEL_REPORT_SC,
 181         .u.mchk.mcic = s390_build_validity_mcic() | MCIC_SC_CP,
 182     };
 183
 184     kvm_s390_inject_flic(fs, &irq);
 185 }
 186
 187 static int kvm_s390_clear_io_flic(S390FLICState *fs, uint16_t subchannel_id,
 188                            uint16_t subchannel_nr)
 189 {
 190     KVMS390FLICState *flic = s390_get_kvm_flic(fs);
 191     int rc;
 192     uint32_t sid = subchannel_id << 16 | subchannel_nr;
 193     struct kvm_device_attr attr = {
 194         .group = KVM_DEV_FLIC_CLEAR_IO_IRQ,
 195         .addr = (uint64_t) &sid,
 196         .attr = sizeof(sid),
 197     };
 198     if (unlikely(!flic->clear_io_supported)) {
 199         return -ENOSYS;
 200     }
 201     rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
 202     return rc ? -errno : 0;
 203 }
 204
 205 static int kvm_s390_modify_ais_mode(S390FLICState *fs, uint8_t isc,
 206                                     uint16_t mode)
 207 {
 208     KVMS390FLICState *flic = s390_get_kvm_flic(fs);
 209     struct kvm_s390_ais_req req = {
 210         .isc = isc,
 211         .mode = mode,
 212     };
 213     struct kvm_device_attr attr = {
 214         .group = KVM_DEV_FLIC_AISM,
 215         .addr = (uint64_t)&req,
 216     };
 217
 218     if (!fs->ais_supported) {
 219         return -ENOSYS;
 220     }
 221
 222     return ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr) ? -errno : 0;
 223 }
 224
 225 static int kvm_s390_inject_airq(S390FLICState *fs, uint8_t type,
 226                                 uint8_t isc, uint8_t flags)
 227 {
 228     KVMS390FLICState *flic = s390_get_kvm_flic(fs);
 229     uint32_t id = css_get_adapter_id(type, isc);
 230     struct kvm_device_attr attr = {
 231         .group = KVM_DEV_FLIC_AIRQ_INJECT,
 232         .attr = id,
 233     };
 234
 235     if (!fs->ais_supported) {
 236         return -ENOSYS;
 237     }
 238
 239     return ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr) ? -errno : 0;
 240 }
 241
 242 /**
 243  * __get_all_irqs - store all pending irqs in buffer
 244  * @flic: pointer to flic device state
 245  * @buf: pointer to pointer to a buffer
 246  * @len: length of buffer
 247  *
 248  * Returns: return value of flic_get_all_irqs
 249  * Note: Retry and increase buffer size until flic_get_all_irqs
 250  * either returns a value >= 0 or a negative error code.
 251  * -ENOMEM is an exception, which means the buffer is too small
 252  * and we should try again. Other negative error codes can be
 253  * -EFAULT and -EINVAL which we ignore at this point
 254  */
 255 static int __get_all_irqs(KVMS390FLICState *flic,
 256                           void **buf, int len)
 257 {
 258     int r;
 259
 260     do {
 261         /* returns -ENOMEM if buffer is too small and number
 262          * of queued interrupts on success */
 263         r = flic_get_all_irqs(flic, *buf, len);
 264         if (r >= 0) {
 265             break;
 266         }
 267         len *= 2;
 268         *buf = g_try_realloc(*buf, len);
 269         if (!buf) {
 270             return -ENOMEM;
 271         }
 272     } while (r == -ENOMEM && len <= KVM_S390_FLIC_MAX_BUFFER);
 273
 274     return r;
 275 }
 276
 277 static int kvm_s390_register_io_adapter(S390FLICState *fs, uint32_t id,
 278                                         uint8_t isc, bool swap,
 279                                         bool is_maskable, uint8_t flags)
 280 {
 281     struct kvm_s390_io_adapter adapter = {
 282         .id = id,
 283         .isc = isc,
 284         .maskable = is_maskable,
 285         .swap = swap,
 286         .flags = flags,
 287     };
 288     KVMS390FLICState *flic = KVM_S390_FLIC(fs);
 289     int r;
 290     struct kvm_device_attr attr = {
 291         .group = KVM_DEV_FLIC_ADAPTER_REGISTER,
 292         .addr = (uint64_t)&adapter,
 293     };
 294
 295     if (!kvm_gsi_routing_enabled()) {
 296         /* nothing to do */
 297         return 0;
 298     }
 299
 300     r = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
 301
 302     return r ? -errno : 0;
 303 }
 304
 305 static int kvm_s390_io_adapter_map(S390FLICState *fs, uint32_t id,
 306                                    uint64_t map_addr, bool do_map)
 307 {
 308     struct kvm_s390_io_adapter_req req = {
 309         .id = id,
 310         .type = do_map ? KVM_S390_IO_ADAPTER_MAP : KVM_S390_IO_ADAPTER_UNMAP,
 311         .addr = map_addr,
 312     };
 313     struct kvm_device_attr attr = {
 314         .group = KVM_DEV_FLIC_ADAPTER_MODIFY,
 315         .addr = (uint64_t)&req,
 316     };
 317     KVMS390FLICState *flic = s390_get_kvm_flic(fs);
 318     int r;
 319
 320     if (!kvm_gsi_routing_enabled()) {
 321         /* nothing to do */
 322         return 0;
 323     }
 324
 325     r = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
 326     return r ? -errno : 0;
 327 }
 328
 329 static int kvm_s390_add_adapter_routes(S390FLICState *fs,
 330                                        AdapterRoutes *routes)
 331 {
 332     int ret, i;
 333     uint64_t ind_offset = routes->adapter.ind_offset;
 334
 335     if (!kvm_gsi_routing_enabled()) {
 336         return -ENOSYS;
 337     }
 338
 339     for (i = 0; i < routes->num_routes; i++) {
 340         ret = kvm_irqchip_add_adapter_route(kvm_state, &routes->adapter);
 341         if (ret < 0) {
 342             goto out_undo;
 343         }
 344         routes->gsi[i] = ret;
 345         routes->adapter.ind_offset++;
 346     }
 347     kvm_irqchip_commit_routes(kvm_state);
 348
 349     /* Restore passed-in structure to original state. */
 350     routes->adapter.ind_offset = ind_offset;
 351     return 0;
 352 out_undo:
 353     while (--i >= 0) {
 354         kvm_irqchip_release_virq(kvm_state, routes->gsi[i]);
 355         routes->gsi[i] = -1;
 356     }
 357     routes->adapter.ind_offset = ind_offset;
 358     return ret;
 359 }
 360
 361 static void kvm_s390_release_adapter_routes(S390FLICState *fs,
 362                                             AdapterRoutes *routes)
 363 {
 364     int i;
 365
 366     if (!kvm_gsi_routing_enabled()) {
 367         return;
 368     }
 369
 370     for (i = 0; i < routes->num_routes; i++) {
 371         if (routes->gsi[i] >= 0) {
 372             kvm_irqchip_release_virq(kvm_state, routes->gsi[i]);
 373             routes->gsi[i] = -1;
 374         }
 375     }
 376 }
 377
 378 /**
 379  * kvm_flic_save - Save pending floating interrupts
 380  * @f: QEMUFile containing migration state
 381  * @opaque: pointer to flic device state
 382  * @size: ignored
 383  *
 384  * Note: Pass buf and len to kernel. Start with one page and
 385  * increase until buffer is sufficient or maxium size is
 386  * reached
 387  */
 388 static int kvm_flic_save(QEMUFile *f, void *opaque, size_t size,
 389                          const VMStateField *field, JSONWriter *vmdesc)
 390 {
 391     KVMS390FLICState *flic = opaque;
 392     int len = FLIC_SAVE_INITIAL_SIZE;
 393     void *buf;
 394     int count;
 395     int r = 0;
 396
 397     flic_disable_wait_pfault((struct KVMS390FLICState *) opaque);
 398
 399     buf = g_try_malloc0(len);
 400     if (!buf) {
 401         /* Storing FLIC_FAILED into the count field here will cause the
 402          * target system to fail when attempting to load irqs from the
 403          * migration state */
 404         error_report("flic: couldn't allocate memory");
 405         qemu_put_be64(f, FLIC_FAILED);
 406         return -ENOMEM;
 407     }
 408
 409     count = __get_all_irqs(flic, &buf, len);
 410     if (count < 0) {
 411         error_report("flic: couldn't retrieve irqs from kernel, rc %d",
 412                      count);
 413         /* Storing FLIC_FAILED into the count field here will cause the
 414          * target system to fail when attempting to load irqs from the
 415          * migration state */
 416         qemu_put_be64(f, FLIC_FAILED);
 417         r = count;
 418     } else {
 419         qemu_put_be64(f, count);
 420         qemu_put_buffer(f, (uint8_t *) buf,
 421                         count * sizeof(struct kvm_s390_irq));
 422     }
 423     g_free(buf);
 424
 425     return r;
 426 }
 427
 428 /**
 429  * kvm_flic_load - Load pending floating interrupts
 430  * @f: QEMUFile containing migration state
 431  * @opaque: pointer to flic device state
 432  * @size: ignored
 433  *
 434  * Returns: value of flic_enqueue_irqs, -EINVAL on error
 435  * Note: Do nothing when no interrupts where stored
 436  * in QEMUFile
 437  */
 438 static int kvm_flic_load(QEMUFile *f, void *opaque, size_t size,
 439                          const VMStateField *field)
 440 {
 441     uint64_t len = 0;
 442     uint64_t count = 0;
 443     void *buf = NULL;
 444     int r = 0;
 445
 446     flic_enable_pfault((struct KVMS390FLICState *) opaque);
 447
 448     count = qemu_get_be64(f);
 449     len = count * sizeof(struct kvm_s390_irq);
 450     if (count == FLIC_FAILED) {
 451         return -EINVAL;
 452     }
 453     if (count == 0) {
 454         return 0;
 455     }
 456     buf = g_try_malloc0(len);
 457     if (!buf) {
 458         return -ENOMEM;
 459     }
 460
 461     if (qemu_get_buffer(f, (uint8_t *) buf, len) != len) {
 462         r = -EINVAL;
 463         goto out_free;
 464     }
 465     r = flic_enqueue_irqs(buf, len, (struct KVMS390FLICState *) opaque);
 466
 467 out_free:
 468     g_free(buf);
 469     return r;
 470 }
 471
 472 typedef struct KVMS390FLICStateMigTmp {
 473     KVMS390FLICState *parent;
 474     uint8_t simm;
 475     uint8_t nimm;
 476 } KVMS390FLICStateMigTmp;
 477
 478 static int kvm_flic_ais_pre_save(void *opaque)
 479 {
 480     KVMS390FLICStateMigTmp *tmp = opaque;
 481     KVMS390FLICState *flic = tmp->parent;
 482     struct kvm_s390_ais_all ais;
 483     struct kvm_device_attr attr = {
 484         .group = KVM_DEV_FLIC_AISM_ALL,
 485         .addr = (uint64_t)&ais,
 486         .attr = sizeof(ais),
 487     };
 488
 489     if (ioctl(flic->fd, KVM_GET_DEVICE_ATTR, &attr)) {
 490         error_report("Failed to retrieve kvm flic ais states");
 491         return -EINVAL;
 492     }
 493
 494     tmp->simm = ais.simm;
 495     tmp->nimm = ais.nimm;
 496
 497     return 0;
 498 }
 499
 500 static int kvm_flic_ais_post_load(void *opaque, int version_id)
 501 {
 502     KVMS390FLICStateMigTmp *tmp = opaque;
 503     KVMS390FLICState *flic = tmp->parent;
 504     struct kvm_s390_ais_all ais = {
 505         .simm = tmp->simm,
 506         .nimm = tmp->nimm,
 507     };
 508     struct kvm_device_attr attr = {
 509         .group = KVM_DEV_FLIC_AISM_ALL,
 510         .addr = (uint64_t)&ais,
 511     };
 512
 513     /* This can happen when the user mis-configures its guests in an
 514      * incompatible fashion or without a CPU model. For example using
 515      * qemu with -cpu host (which is not migration safe) and do a
 516      * migration from a host that has AIS to a host that has no AIS.
 517      * In that case the target system will reject the migration here.
 518      */
 519     if (!ais_needed(flic)) {
 520         return -ENOSYS;
 521     }
 522
 523     return ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr) ? -errno : 0;
 524 }
 525
 526 static const VMStateDescription kvm_s390_flic_ais_tmp = {
 527     .name = "s390-flic-ais-tmp",
 528     .pre_save = kvm_flic_ais_pre_save,
 529     .post_load = kvm_flic_ais_post_load,
 530     .fields = (VMStateField[]) {
 531         VMSTATE_UINT8(simm, KVMS390FLICStateMigTmp),
 532         VMSTATE_UINT8(nimm, KVMS390FLICStateMigTmp),
 533         VMSTATE_END_OF_LIST()
 534     }
 535 };
 536
 537 static const VMStateDescription kvm_s390_flic_vmstate_ais = {
 538     .name = "s390-flic/ais",
 539     .version_id = 1,
 540     .minimum_version_id = 1,
 541     .needed = ais_needed,
 542     .fields = (VMStateField[]) {
 543         VMSTATE_WITH_TMP(KVMS390FLICState, KVMS390FLICStateMigTmp,
 544                          kvm_s390_flic_ais_tmp),
 545         VMSTATE_END_OF_LIST()
 546     }
 547 };
 548
 549 static const VMStateDescription kvm_s390_flic_vmstate = {
 550     /* should have been like kvm-s390-flic,
 551      * can't change without breaking compat */
 552     .name = "s390-flic",
 553     .version_id = FLIC_SAVEVM_VERSION,
 554     .minimum_version_id = FLIC_SAVEVM_VERSION,
 555     .fields = (VMStateField[]) {
 556         {
 557             .name = "irqs",
 558             .info = &(const VMStateInfo) {
 559                 .name = "irqs",
 560                 .get = kvm_flic_load,
 561                 .put = kvm_flic_save,
 562             },
 563             .flags = VMS_SINGLE,
 564         },
 565         VMSTATE_END_OF_LIST()
 566     },
 567     .subsections = (const VMStateDescription * []) {
 568         &kvm_s390_flic_vmstate_ais,
 569         NULL
 570     }
 571 };
 572
 573 struct KVMS390FLICStateClass {
 574     S390FLICStateClass parent_class;
 575     DeviceRealize parent_realize;
 576 };
 577 typedef struct KVMS390FLICStateClass KVMS390FLICStateClass;
 578
 579 DECLARE_CLASS_CHECKERS(KVMS390FLICStateClass, KVM_S390_FLIC,
 580                        TYPE_KVM_S390_FLIC)
 581
 582
 583 static void kvm_s390_flic_realize(DeviceState *dev, Error **errp)
 584 {
 585     KVMS390FLICState *flic_state = KVM_S390_FLIC(dev);
 586     struct kvm_create_device cd = {0};
 587     struct kvm_device_attr test_attr = {0};
 588     int ret;
 589     Error *err = NULL;
 590
 591     KVM_S390_FLIC_GET_CLASS(dev)->parent_realize(dev, &err);
 592     if (err) {
 593         error_propagate(errp, err);
 594         return;
 595     }
 596     flic_state->fd = -1;
 597
 598     cd.type = KVM_DEV_TYPE_FLIC;
 599     ret = kvm_vm_ioctl(kvm_state, KVM_CREATE_DEVICE, &cd);
 600     if (ret < 0) {
 601         error_setg_errno(errp, errno, "Creating the KVM device failed");
 602         trace_flic_create_device(errno);
 603         return;
 604     }
 605     flic_state->fd = cd.fd;
 606
 607     /* Check clear_io_irq support */
 608     test_attr.group = KVM_DEV_FLIC_CLEAR_IO_IRQ;
 609     flic_state->clear_io_supported = !ioctl(flic_state->fd,
 610                                             KVM_HAS_DEVICE_ATTR, test_attr);
 611 }
 612
 613 static void kvm_s390_flic_reset(DeviceState *dev)
 614 {
 615     KVMS390FLICState *flic = KVM_S390_FLIC(dev);
 616     S390FLICState *fs = S390_FLIC_COMMON(dev);
 617     struct kvm_device_attr attr = {
 618         .group = KVM_DEV_FLIC_CLEAR_IRQS,
 619     };
 620     int rc = 0;
 621     uint8_t isc;
 622
 623     if (flic->fd == -1) {
 624         return;
 625     }
 626
 627     flic_disable_wait_pfault(flic);
 628
 629     if (fs->ais_supported) {
 630         for (isc = 0; isc <= MAX_ISC; isc++) {
 631             rc = kvm_s390_modify_ais_mode(fs, isc, SIC_IRQ_MODE_ALL);
 632             if (rc) {
 633                 error_report("Failed to reset ais mode for isc %d: %s",
 634                              isc, strerror(-rc));
 635             }
 636         }
 637     }
 638
 639     rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
 640     if (rc) {
 641         trace_flic_reset_failed(errno);
 642     }
 643
 644     flic_enable_pfault(flic);
 645 }
 646
 647 static void kvm_s390_flic_class_init(ObjectClass *oc, void *data)
 648 {
 649     DeviceClass *dc = DEVICE_CLASS(oc);
 650     S390FLICStateClass *fsc = S390_FLIC_COMMON_CLASS(oc);
 651
 652     KVM_S390_FLIC_CLASS(oc)->parent_realize = dc->realize;
 653     dc->realize = kvm_s390_flic_realize;
 654     dc->vmsd = &kvm_s390_flic_vmstate;
 655     dc->reset = kvm_s390_flic_reset;
 656     fsc->register_io_adapter = kvm_s390_register_io_adapter;
 657     fsc->io_adapter_map = kvm_s390_io_adapter_map;
 658     fsc->add_adapter_routes = kvm_s390_add_adapter_routes;
 659     fsc->release_adapter_routes = kvm_s390_release_adapter_routes;
 660     fsc->clear_io_irq = kvm_s390_clear_io_flic;
 661     fsc->modify_ais_mode = kvm_s390_modify_ais_mode;
 662     fsc->inject_airq = kvm_s390_inject_airq;
 663     fsc->inject_service = kvm_s390_inject_service;
 664     fsc->inject_io = kvm_s390_inject_io;
 665     fsc->inject_crw_mchk = kvm_s390_inject_crw_mchk;
 666 }
 667
 668 static const TypeInfo kvm_s390_flic_info = {
 669     .name          = TYPE_KVM_S390_FLIC,
 670     .parent        = TYPE_S390_FLIC_COMMON,
 671     .instance_size = sizeof(KVMS390FLICState),
 672     .class_size    = sizeof(KVMS390FLICStateClass),
 673     .class_init    = kvm_s390_flic_class_init,
 674 };
 675
 676 static void kvm_s390_flic_register_types(void)
 677 {
 678     type_register_static(&kvm_s390_flic_info);
 679 }
 680
 681 type_init(kvm_s390_flic_register_types)