aboutsummaryrefslogtreecommitdiff
path: root/hw/intc/s390_flic_kvm.c
blob: efe5054182c372d31e0aafa4b0b3a18f13025441 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
/*
 * QEMU S390x KVM floating interrupt controller (flic)
 *
 * Copyright 2014 IBM Corp.
 * Author(s): Jens Freimann <jfrei@linux.vnet.ibm.com>
 *            Cornelia Huck <cornelia.huck@de.ibm.com>
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or (at
 * your option) any later version. See the COPYING file in the top-level
 * directory.
 */

#include "qemu/osdep.h"
#include "kvm/kvm_s390x.h"
#include <sys/ioctl.h>
#include "qemu/error-report.h"
#include "qemu/module.h"
#include "qapi/error.h"
#include "sysemu/kvm.h"
#include "hw/s390x/s390_flic.h"
#include "hw/s390x/adapter.h"
#include "hw/s390x/css.h"
#include "migration/qemu-file-types.h"
#include "trace.h"
#include "qom/object.h"

#define FLIC_SAVE_INITIAL_SIZE qemu_real_host_page_size
#define FLIC_FAILED (-1UL)
#define FLIC_SAVEVM_VERSION 1

struct KVMS390FLICState{
    S390FLICState parent_obj;

    uint32_t fd;
    bool clear_io_supported;
};

static KVMS390FLICState *s390_get_kvm_flic(S390FLICState *fs)
{
    static KVMS390FLICState *flic;

    if (!flic) {
        /* we only have one flic device, so this is fine to cache */
        flic = KVM_S390_FLIC(fs);
    }
    return flic;
}

/**
 * flic_get_all_irqs - store all pending irqs in buffer
 * @buf: pointer to buffer which is passed to kernel
 * @len: length of buffer
 * @flic: pointer to flic device state
 *
 * Returns: -ENOMEM if buffer is too small,
 * -EINVAL if attr.group is invalid,
 * -EFAULT if copying to userspace failed,
 * on success return number of stored interrupts
 */
static int flic_get_all_irqs(KVMS390FLICState *flic,
                             void *buf, int len)
{
    struct kvm_device_attr attr = {
        .group = KVM_DEV_FLIC_GET_ALL_IRQS,
        .addr = (uint64_t) buf,
        .attr = len,
    };
    int rc;

    rc = ioctl(flic->fd, KVM_GET_DEVICE_ATTR, &attr);

    return rc == -1 ? -errno : rc;
}

static void flic_enable_pfault(KVMS390FLICState *flic)
{
    struct kvm_device_attr attr = {
        .group = KVM_DEV_FLIC_APF_ENABLE,
    };
    int rc;

    rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);

    if (rc) {
        fprintf(stderr, "flic: couldn't enable pfault\n");
    }
}

static void flic_disable_wait_pfault(KVMS390FLICState *flic)
{
    struct kvm_device_attr attr = {
        .group = KVM_DEV_FLIC_APF_DISABLE_WAIT,
    };
    int rc;

    rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);

    if (rc) {
        fprintf(stderr, "flic: couldn't disable pfault\n");
    }
}

/** flic_enqueue_irqs - returns 0 on success
 * @buf: pointer to buffer which is passed to kernel
 * @len: length of buffer
 * @flic: pointer to flic device state
 *
 * Returns: -EINVAL if attr.group is unknown
 */
static int flic_enqueue_irqs(void *buf, uint64_t len,
                            KVMS390FLICState *flic)
{
    int rc;
    struct kvm_device_attr attr = {
        .group = KVM_DEV_FLIC_ENQUEUE,
        .addr = (uint64_t) buf,
        .attr = len,
    };

    rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);

    return rc ? -errno : 0;
}

static void kvm_s390_inject_flic(S390FLICState *fs, struct kvm_s390_irq *irq)
{
    static bool use_flic = true;
    int r;

    if (use_flic) {
        r = flic_enqueue_irqs(irq, sizeof(*irq), s390_get_kvm_flic(fs));
        if (r == -ENOSYS) {
            use_flic = false;
        }
        if (!r) {
            return;
        }
    }
    /* fallback to legacy KVM IOCTL in case FLIC fails */
    kvm_s390_floating_interrupt_legacy(irq);
}

static void kvm_s390_inject_service(S390FLICState *fs, uint32_t parm)
{
        struct kvm_s390_irq irq = {
        .type = KVM_S390_INT_SERVICE,
        .u.ext.ext_params = parm,
    };

    kvm_s390_inject_flic(fs, &irq);
}

static void kvm_s390_inject_io(S390FLICState *fs, uint16_t subchannel_id,
                               uint16_t subchannel_nr, uint32_t io_int_parm,
                               uint32_t io_int_word)
{
    struct kvm_s390_irq irq = {
        .u.io.subchannel_id = subchannel_id,
        .u.io.subchannel_nr = subchannel_nr,
        .u.io.io_int_parm = io_int_parm,
        .u.io.io_int_word = io_int_word,
    };

    if (io_int_word & IO_INT_WORD_AI) {
        irq.type = KVM_S390_INT_IO(1, 0, 0, 0);
    } else {
        irq.type = KVM_S390_INT_IO(0, (subchannel_id & 0xff00) >> 8,
                                      (subchannel_id & 0x0006),
                                      subchannel_nr);
    }
    kvm_s390_inject_flic(fs, &irq);
}

static void kvm_s390_inject_crw_mchk(S390FLICState *fs)
{
    struct kvm_s390_irq irq = {
        .type = KVM_S390_MCHK,
        .u.mchk.cr14 = CR14_CHANNEL_REPORT_SC,
        .u.mchk.mcic = s390_build_validity_mcic() | MCIC_SC_CP,
    };

    kvm_s390_inject_flic(fs, &irq);
}

static int kvm_s390_clear_io_flic(S390FLICState *fs, uint16_t subchannel_id,
                           uint16_t subchannel_nr)
{
    KVMS390FLICState *flic = s390_get_kvm_flic(fs);
    int rc;
    uint32_t sid = subchannel_id << 16 | subchannel_nr;
    struct kvm_device_attr attr = {
        .group = KVM_DEV_FLIC_CLEAR_IO_IRQ,
        .addr = (uint64_t) &sid,
        .attr = sizeof(sid),
    };
    if (unlikely(!flic->clear_io_supported)) {
        return -ENOSYS;
    }
    rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
    return rc ? -errno : 0;
}

static int kvm_s390_modify_ais_mode(S390FLICState *fs, uint8_t isc,
                                    uint16_t mode)
{
    KVMS390FLICState *flic = s390_get_kvm_flic(fs);
    struct kvm_s390_ais_req req = {
        .isc = isc,
        .mode = mode,
    };
    struct kvm_device_attr attr = {
        .group = KVM_DEV_FLIC_AISM,
        .addr = (uint64_t)&req,
    };

    if (!fs->ais_supported) {
        return -ENOSYS;
    }

    return ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr) ? -errno : 0;
}

static int kvm_s390_inject_airq(S390FLICState *fs, uint8_t type,
                                uint8_t isc, uint8_t flags)
{
    KVMS390FLICState *flic = s390_get_kvm_flic(fs);
    uint32_t id = css_get_adapter_id(type, isc);
    struct kvm_device_attr attr = {
        .group = KVM_DEV_FLIC_AIRQ_INJECT,
        .attr = id,
    };

    if (!fs->ais_supported) {
        return -ENOSYS;
    }

    return ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr) ? -errno : 0;
}

/**
 * __get_all_irqs - store all pending irqs in buffer
 * @flic: pointer to flic device state
 * @buf: pointer to pointer to a buffer
 * @len: length of buffer
 *
 * Returns: return value of flic_get_all_irqs
 * Note: Retry and increase buffer size until flic_get_all_irqs
 * either returns a value >= 0 or a negative error code.
 * -ENOMEM is an exception, which means the buffer is too small
 * and we should try again. Other negative error codes can be
 * -EFAULT and -EINVAL which we ignore at this point
 */
static int __get_all_irqs(KVMS390FLICState *flic,
                          void **buf, int len)
{
    int r;

    do {
        /* returns -ENOMEM if buffer is too small and number
         * of queued interrupts on success */
        r = flic_get_all_irqs(flic, *buf, len);
        if (r >= 0) {
            break;
        }
        len *= 2;
        *buf = g_try_realloc(*buf, len);
        if (!buf) {
            return -ENOMEM;
        }
    } while (r == -ENOMEM && len <= KVM_S390_FLIC_MAX_BUFFER);

    return r;
}

static int kvm_s390_register_io_adapter(S390FLICState *fs, uint32_t id,
                                        uint8_t isc, bool swap,
                                        bool is_maskable, uint8_t flags)
{
    struct kvm_s390_io_adapter adapter = {
        .id = id,
        .isc = isc,
        .maskable = is_maskable,
        .swap = swap,
        .flags = flags,
    };
    KVMS390FLICState *flic = KVM_S390_FLIC(fs);
    int r;
    struct kvm_device_attr attr = {
        .group = KVM_DEV_FLIC_ADAPTER_REGISTER,
        .addr = (uint64_t)&adapter,
    };

    if (!kvm_gsi_routing_enabled()) {
        /* nothing to do */
        return 0;
    }

    r = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);

    return r ? -errno : 0;
}

static int kvm_s390_io_adapter_map(S390FLICState *fs, uint32_t id,
                                   uint64_t map_addr, bool do_map)
{
    struct kvm_s390_io_adapter_req req = {
        .id = id,
        .type = do_map ? KVM_S390_IO_ADAPTER_MAP : KVM_S390_IO_ADAPTER_UNMAP,
        .addr = map_addr,
    };
    struct kvm_device_attr attr = {
        .group = KVM_DEV_FLIC_ADAPTER_MODIFY,
        .addr = (uint64_t)&req,
    };
    KVMS390FLICState *flic = s390_get_kvm_flic(fs);
    int r;

    if (!kvm_gsi_routing_enabled()) {
        /* nothing to do */
        return 0;
    }

    r = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
    return r ? -errno : 0;
}

static int kvm_s390_add_adapter_routes(S390FLICState *fs,
                                       AdapterRoutes *routes)
{
    int ret, i;
    uint64_t ind_offset = routes->adapter.ind_offset;

    if (!kvm_gsi_routing_enabled()) {
        return -ENOSYS;
    }

    for (i = 0; i < routes->num_routes; i++) {
        ret = kvm_irqchip_add_adapter_route(kvm_state, &routes->adapter);
        if (ret < 0) {
            goto out_undo;
        }
        routes->gsi[i] = ret;
        routes->adapter.ind_offset++;
    }
    kvm_irqchip_commit_routes(kvm_state);

    /* Restore passed-in structure to original state. */
    routes->adapter.ind_offset = ind_offset;
    return 0;
out_undo:
    while (--i >= 0) {
        kvm_irqchip_release_virq(kvm_state, routes->gsi[i]);
        routes->gsi[i] = -1;
    }
    routes->adapter.ind_offset = ind_offset;
    return ret;
}

static void kvm_s390_release_adapter_routes(S390FLICState *fs,
                                            AdapterRoutes *routes)
{
    int i;

    if (!kvm_gsi_routing_enabled()) {
        return;
    }

    for (i = 0; i < routes->num_routes; i++) {
        if (routes->gsi[i] >= 0) {
            kvm_irqchip_release_virq(kvm_state, routes->gsi[i]);
            routes->gsi[i] = -1;
        }
    }
}

/**
 * kvm_flic_save - Save pending floating interrupts
 * @f: QEMUFile containing migration state
 * @opaque: pointer to flic device state
 * @size: ignored
 *
 * Note: Pass buf and len to kernel. Start with one page and
 * increase until buffer is sufficient or maxium size is
 * reached
 */
static int kvm_flic_save(QEMUFile *f, void *opaque, size_t size,
                         const VMStateField *field, JSONWriter *vmdesc)
{
    KVMS390FLICState *flic = opaque;
    int len = FLIC_SAVE_INITIAL_SIZE;
    void *buf;
    int count;
    int r = 0;

    flic_disable_wait_pfault((struct KVMS390FLICState *) opaque);

    buf = g_try_malloc0(len);
    if (!buf) {
        /* Storing FLIC_FAILED into the count field here will cause the
         * target system to fail when attempting to load irqs from the
         * migration state */
        error_report("flic: couldn't allocate memory");
        qemu_put_be64(f, FLIC_FAILED);
        return -ENOMEM;
    }

    count = __get_all_irqs(flic, &buf, len);
    if (count < 0) {
        error_report("flic: couldn't retrieve irqs from kernel, rc %d",
                     count);
        /* Storing FLIC_FAILED into the count field here will cause the
         * target system to fail when attempting to load irqs from the
         * migration state */
        qemu_put_be64(f, FLIC_FAILED);
        r = count;
    } else {
        qemu_put_be64(f, count);
        qemu_put_buffer(f, (uint8_t *) buf,
                        count * sizeof(struct kvm_s390_irq));
    }
    g_free(buf);

    return r;
}

/**
 * kvm_flic_load - Load pending floating interrupts
 * @f: QEMUFile containing migration state
 * @opaque: pointer to flic device state
 * @size: ignored
 *
 * Returns: value of flic_enqueue_irqs, -EINVAL on error
 * Note: Do nothing when no interrupts where stored
 * in QEMUFile
 */
static int kvm_flic_load(QEMUFile *f, void *opaque, size_t size,
                         const VMStateField *field)
{
    uint64_t len = 0;
    uint64_t count = 0;
    void *buf = NULL;
    int r = 0;

    flic_enable_pfault((struct KVMS390FLICState *) opaque);

    count = qemu_get_be64(f);
    len = count * sizeof(struct kvm_s390_irq);
    if (count == FLIC_FAILED) {
        return -EINVAL;
    }
    if (count == 0) {
        return 0;
    }
    buf = g_try_malloc0(len);
    if (!buf) {
        return -ENOMEM;
    }

    if (qemu_get_buffer(f, (uint8_t *) buf, len) != len) {
        r = -EINVAL;
        goto out_free;
    }
    r = flic_enqueue_irqs(buf, len, (struct KVMS390FLICState *) opaque);

out_free:
    g_free(buf);
    return r;
}

typedef struct KVMS390FLICStateMigTmp {
    KVMS390FLICState *parent;
    uint8_t simm;
    uint8_t nimm;
} KVMS390FLICStateMigTmp;

static int kvm_flic_ais_pre_save(void *opaque)
{
    KVMS390FLICStateMigTmp *tmp = opaque;
    KVMS390FLICState *flic = tmp->parent;
    struct kvm_s390_ais_all ais;
    struct kvm_device_attr attr = {
        .group = KVM_DEV_FLIC_AISM_ALL,
        .addr = (uint64_t)&ais,
        .attr = sizeof(ais),
    };

    if (ioctl(flic->fd, KVM_GET_DEVICE_ATTR, &attr)) {
        error_report("Failed to retrieve kvm flic ais states");
        return -EINVAL;
    }

    tmp->simm = ais.simm;
    tmp->nimm = ais.nimm;

    return 0;
}

static int kvm_flic_ais_post_load(void *opaque, int version_id)
{
    KVMS390FLICStateMigTmp *tmp = opaque;
    KVMS390FLICState *flic = tmp->parent;
    struct kvm_s390_ais_all ais = {
        .simm = tmp->simm,
        .nimm = tmp->nimm,
    };
    struct kvm_device_attr attr = {
        .group = KVM_DEV_FLIC_AISM_ALL,
        .addr = (uint64_t)&ais,
    };

    /* This can happen when the user mis-configures its guests in an
     * incompatible fashion or without a CPU model. For example using
     * qemu with -cpu host (which is not migration safe) and do a
     * migration from a host that has AIS to a host that has no AIS.
     * In that case the target system will reject the migration here.
     */
    if (!ais_needed(flic)) {
        return -ENOSYS;
    }

    return ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr) ? -errno : 0;
}

static const VMStateDescription kvm_s390_flic_ais_tmp = {
    .name = "s390-flic-ais-tmp",
    .pre_save = kvm_flic_ais_pre_save,
    .post_load = kvm_flic_ais_post_load,
    .fields = (VMStateField[]) {
        VMSTATE_UINT8(simm, KVMS390FLICStateMigTmp),
        VMSTATE_UINT8(nimm, KVMS390FLICStateMigTmp),
        VMSTATE_END_OF_LIST()
    }
};

static const VMStateDescription kvm_s390_flic_vmstate_ais = {
    .name = "s390-flic/ais",
    .version_id = 1,
    .minimum_version_id = 1,
    .needed = ais_needed,
    .fields = (VMStateField[]) {
        VMSTATE_WITH_TMP(KVMS390FLICState, KVMS390FLICStateMigTmp,
                         kvm_s390_flic_ais_tmp),
        VMSTATE_END_OF_LIST()
    }
};

static const VMStateDescription kvm_s390_flic_vmstate = {
    /* should have been like kvm-s390-flic,
     * can't change without breaking compat */
    .name = "s390-flic",
    .version_id = FLIC_SAVEVM_VERSION,
    .minimum_version_id = FLIC_SAVEVM_VERSION,
    .fields = (VMStateField[]) {
        {
            .name = "irqs",
            .info = &(const VMStateInfo) {
                .name = "irqs",
                .get = kvm_flic_load,
                .put = kvm_flic_save,
            },
            .flags = VMS_SINGLE,
        },
        VMSTATE_END_OF_LIST()
    },
    .subsections = (const VMStateDescription * []) {
        &kvm_s390_flic_vmstate_ais,
        NULL
    }
};

struct KVMS390FLICStateClass {
    S390FLICStateClass parent_class;
    DeviceRealize parent_realize;
};
typedef struct KVMS390FLICStateClass KVMS390FLICStateClass;

DECLARE_CLASS_CHECKERS(KVMS390FLICStateClass, KVM_S390_FLIC,
                       TYPE_KVM_S390_FLIC)


static void kvm_s390_flic_realize(DeviceState *dev, Error **errp)
{
    KVMS390FLICState *flic_state = KVM_S390_FLIC(dev);
    struct kvm_create_device cd = {0};
    struct kvm_device_attr test_attr = {0};
    int ret;
    Error *err = NULL;

    KVM_S390_FLIC_GET_CLASS(dev)->parent_realize(dev, &err);
    if (err) {
        error_propagate(errp, err);
        return;
    }
    flic_state->fd = -1;

    cd.type = KVM_DEV_TYPE_FLIC;
    ret = kvm_vm_ioctl(kvm_state, KVM_CREATE_DEVICE, &cd);
    if (ret < 0) {
        error_setg_errno(errp, errno, "Creating the KVM device failed");
        trace_flic_create_device(errno);
        return;
    }
    flic_state->fd = cd.fd;

    /* Check clear_io_irq support */
    test_attr.group = KVM_DEV_FLIC_CLEAR_IO_IRQ;
    flic_state->clear_io_supported = !ioctl(flic_state->fd,
                                            KVM_HAS_DEVICE_ATTR, test_attr);
}

static void kvm_s390_flic_reset(DeviceState *dev)
{
    KVMS390FLICState *flic = KVM_S390_FLIC(dev);
    S390FLICState *fs = S390_FLIC_COMMON(dev);
    struct kvm_device_attr attr = {
        .group = KVM_DEV_FLIC_CLEAR_IRQS,
    };
    int rc = 0;
    uint8_t isc;

    if (flic->fd == -1) {
        return;
    }

    flic_disable_wait_pfault(flic);

    if (fs->ais_supported) {
        for (isc = 0; isc <= MAX_ISC; isc++) {
            rc = kvm_s390_modify_ais_mode(fs, isc, SIC_IRQ_MODE_ALL);
            if (rc) {
                error_report("Failed to reset ais mode for isc %d: %s",
                             isc, strerror(-rc));
            }
        }
    }

    rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
    if (rc) {
        trace_flic_reset_failed(errno);
    }

    flic_enable_pfault(flic);
}

static void kvm_s390_flic_class_init(ObjectClass *oc, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(oc);
    S390FLICStateClass *fsc = S390_FLIC_COMMON_CLASS(oc);

    KVM_S390_FLIC_CLASS(oc)->parent_realize = dc->realize;
    dc->realize = kvm_s390_flic_realize;
    dc->vmsd = &kvm_s390_flic_vmstate;
    dc->reset = kvm_s390_flic_reset;
    fsc->register_io_adapter = kvm_s390_register_io_adapter;
    fsc->io_adapter_map = kvm_s390_io_adapter_map;
    fsc->add_adapter_routes = kvm_s390_add_adapter_routes;
    fsc->release_adapter_routes = kvm_s390_release_adapter_routes;
    fsc->clear_io_irq = kvm_s390_clear_io_flic;
    fsc->modify_ais_mode = kvm_s390_modify_ais_mode;
    fsc->inject_airq = kvm_s390_inject_airq;
    fsc->inject_service = kvm_s390_inject_service;
    fsc->inject_io = kvm_s390_inject_io;
    fsc->inject_crw_mchk = kvm_s390_inject_crw_mchk;
}

static const TypeInfo kvm_s390_flic_info = {
    .name          = TYPE_KVM_S390_FLIC,
    .parent        = TYPE_S390_FLIC_COMMON,
    .instance_size = sizeof(KVMS390FLICState),
    .class_size    = sizeof(KVMS390FLICStateClass),
    .class_init    = kvm_s390_flic_class_init,
};

static void kvm_s390_flic_register_types(void)
{
    type_register_static(&kvm_s390_flic_info);
}

type_init(kvm_s390_flic_register_types)