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20#include "hw/hw.h"
21#include "block/block.h"
22#include "sysemu/sysemu.h"
23#include "hw/boards.h"
24#include "monitor/monitor.h"
25#include "hw/loader.h"
26#include "elf.h"
27#include "hw/virtio/virtio.h"
28#include "hw/virtio/virtio-rng.h"
29#include "hw/virtio/virtio-serial.h"
30#include "hw/virtio/virtio-net.h"
31#include "hw/virtio/vhost-scsi.h"
32#include "hw/sysbus.h"
33#include "sysemu/kvm.h"
34
35#include "hw/s390x/s390-virtio-bus.h"
36#include "hw/virtio/virtio-bus.h"
37
38
39
40#ifdef DEBUG_S390
41#define dprintf(fmt, ...) \
42 do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0)
43#else
44#define dprintf(fmt, ...) \
45 do { } while (0)
46#endif
47
48#define VIRTIO_EXT_CODE 0x2603
49
50static void virtio_s390_bus_new(VirtioBusState *bus, VirtIOS390Device *dev);
51
52static const TypeInfo s390_virtio_bus_info = {
53 .name = TYPE_S390_VIRTIO_BUS,
54 .parent = TYPE_BUS,
55 .instance_size = sizeof(VirtIOS390Bus),
56};
57
58static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev);
59
60
61const hwaddr virtio_size = S390_DEVICE_PAGES * TARGET_PAGE_SIZE;
62
63static void s390_virtio_bus_reset(void *opaque)
64{
65 VirtIOS390Bus *bus = opaque;
66 bus->next_ring = bus->dev_page + TARGET_PAGE_SIZE;
67}
68
69void s390_virtio_reset_idx(VirtIOS390Device *dev)
70{
71 int i;
72 hwaddr idx_addr;
73 uint8_t num_vq;
74
75 num_vq = s390_virtio_device_num_vq(dev);
76 for (i = 0; i < num_vq; i++) {
77 idx_addr = virtio_queue_get_avail_addr(dev->vdev, i) +
78 VIRTIO_VRING_AVAIL_IDX_OFFS;
79 stw_phys(idx_addr, 0);
80 idx_addr = virtio_queue_get_used_addr(dev->vdev, i) +
81 VIRTIO_VRING_USED_IDX_OFFS;
82 stw_phys(idx_addr, 0);
83 }
84}
85
86VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size)
87{
88 VirtIOS390Bus *bus;
89 BusState *_bus;
90 DeviceState *dev;
91
92
93 dev = qdev_create(NULL, "s390-virtio-bridge");
94 qdev_init_nofail(dev);
95
96
97
98 _bus = qbus_create(TYPE_S390_VIRTIO_BUS, dev, "s390-virtio");
99 bus = DO_UPCAST(VirtIOS390Bus, bus, _bus);
100
101 bus->dev_page = *ram_size;
102 bus->dev_offs = bus->dev_page;
103 bus->next_ring = bus->dev_page + TARGET_PAGE_SIZE;
104
105
106 _bus->allow_hotplug = 1;
107
108
109 *ram_size += S390_DEVICE_PAGES * TARGET_PAGE_SIZE;
110
111 qemu_register_reset(s390_virtio_bus_reset, bus);
112 return bus;
113}
114
115static void s390_virtio_irq(S390CPU *cpu, int config_change, uint64_t token)
116{
117 if (kvm_enabled()) {
118 kvm_s390_virtio_irq(cpu, config_change, token);
119 } else {
120 cpu_inject_ext(cpu, VIRTIO_EXT_CODE, config_change, token);
121 }
122}
123
124static int s390_virtio_device_init(VirtIOS390Device *dev, VirtIODevice *vdev)
125{
126 VirtIOS390Bus *bus;
127 int dev_len;
128
129 bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus);
130 dev->vdev = vdev;
131 dev->dev_offs = bus->dev_offs;
132 dev->feat_len = sizeof(uint32_t);
133
134 dev_len = VIRTIO_DEV_OFFS_CONFIG;
135 dev_len += s390_virtio_device_num_vq(dev) * VIRTIO_VQCONFIG_LEN;
136 dev_len += dev->feat_len * 2;
137 dev_len += virtio_bus_get_vdev_config_len(&dev->bus);
138
139 bus->dev_offs += dev_len;
140
141 dev->host_features = virtio_bus_get_vdev_features(&dev->bus,
142 dev->host_features);
143 s390_virtio_device_sync(dev);
144 s390_virtio_reset_idx(dev);
145 if (dev->qdev.hotplugged) {
146 S390CPU *cpu = s390_cpu_addr2state(0);
147 s390_virtio_irq(cpu, VIRTIO_PARAM_DEV_ADD, dev->dev_offs);
148 }
149
150 return 0;
151}
152
153static int s390_virtio_net_init(VirtIOS390Device *s390_dev)
154{
155 DeviceState *qdev = DEVICE(s390_dev);
156 VirtIONetS390 *dev = VIRTIO_NET_S390(s390_dev);
157 DeviceState *vdev = DEVICE(&dev->vdev);
158
159 virtio_net_set_config_size(&dev->vdev, s390_dev->host_features);
160 virtio_net_set_netclient_name(&dev->vdev, qdev->id,
161 object_get_typename(OBJECT(qdev)));
162 qdev_set_parent_bus(vdev, BUS(&s390_dev->bus));
163 if (qdev_init(vdev) < 0) {
164 return -1;
165 }
166
167 return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev));
168}
169
170static void s390_virtio_net_instance_init(Object *obj)
171{
172 VirtIONetS390 *dev = VIRTIO_NET_S390(obj);
173 object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_NET);
174 object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
175}
176
177static int s390_virtio_blk_init(VirtIOS390Device *s390_dev)
178{
179 VirtIOBlkS390 *dev = VIRTIO_BLK_S390(s390_dev);
180 DeviceState *vdev = DEVICE(&dev->vdev);
181 virtio_blk_set_conf(vdev, &(dev->blk));
182 qdev_set_parent_bus(vdev, BUS(&s390_dev->bus));
183 if (qdev_init(vdev) < 0) {
184 return -1;
185 }
186 return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev));
187}
188
189static void s390_virtio_blk_instance_init(Object *obj)
190{
191 VirtIOBlkS390 *dev = VIRTIO_BLK_S390(obj);
192 object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_BLK);
193 object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
194}
195
196static int s390_virtio_serial_init(VirtIOS390Device *s390_dev)
197{
198 VirtIOSerialS390 *dev = VIRTIO_SERIAL_S390(s390_dev);
199 DeviceState *vdev = DEVICE(&dev->vdev);
200 DeviceState *qdev = DEVICE(s390_dev);
201 VirtIOS390Bus *bus;
202 int r;
203 char *bus_name;
204
205 bus = DO_UPCAST(VirtIOS390Bus, bus, qdev->parent_bus);
206
207
208
209
210
211 if (qdev->id) {
212 bus_name = g_strdup_printf("%s.0", qdev->id);
213 virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
214 g_free(bus_name);
215 }
216
217 qdev_set_parent_bus(vdev, BUS(&s390_dev->bus));
218 if (qdev_init(vdev) < 0) {
219 return -1;
220 }
221
222 r = s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev));
223 if (!r) {
224 bus->console = s390_dev;
225 }
226
227 return r;
228}
229
230static void s390_virtio_serial_instance_init(Object *obj)
231{
232 VirtIOSerialS390 *dev = VIRTIO_SERIAL_S390(obj);
233 object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_SERIAL);
234 object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
235}
236
237static int s390_virtio_scsi_init(VirtIOS390Device *s390_dev)
238{
239 VirtIOSCSIS390 *dev = VIRTIO_SCSI_S390(s390_dev);
240 DeviceState *vdev = DEVICE(&dev->vdev);
241 DeviceState *qdev = DEVICE(s390_dev);
242 char *bus_name;
243
244
245
246
247
248 if (qdev->id) {
249 bus_name = g_strdup_printf("%s.0", qdev->id);
250 virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
251 g_free(bus_name);
252 }
253
254 qdev_set_parent_bus(vdev, BUS(&s390_dev->bus));
255 if (qdev_init(vdev) < 0) {
256 return -1;
257 }
258
259 return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev));
260}
261
262static void s390_virtio_scsi_instance_init(Object *obj)
263{
264 VirtIOSCSIS390 *dev = VIRTIO_SCSI_S390(obj);
265 object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_SCSI);
266 object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
267}
268
269#ifdef CONFIG_VHOST_SCSI
270static int s390_vhost_scsi_init(VirtIOS390Device *s390_dev)
271{
272 VHostSCSIS390 *dev = VHOST_SCSI_S390(s390_dev);
273 DeviceState *vdev = DEVICE(&dev->vdev);
274
275 qdev_set_parent_bus(vdev, BUS(&s390_dev->bus));
276 if (qdev_init(vdev) < 0) {
277 return -1;
278 }
279
280 return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev));
281}
282
283static void s390_vhost_scsi_instance_init(Object *obj)
284{
285 VHostSCSIS390 *dev = VHOST_SCSI_S390(obj);
286 object_initialize(OBJECT(&dev->vdev), TYPE_VHOST_SCSI);
287 object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
288}
289#endif
290
291
292static int s390_virtio_rng_init(VirtIOS390Device *s390_dev)
293{
294 VirtIORNGS390 *dev = VIRTIO_RNG_S390(s390_dev);
295 DeviceState *vdev = DEVICE(&dev->vdev);
296
297 qdev_set_parent_bus(vdev, BUS(&s390_dev->bus));
298 if (qdev_init(vdev) < 0) {
299 return -1;
300 }
301
302 object_property_set_link(OBJECT(dev),
303 OBJECT(dev->vdev.conf.default_backend), "rng",
304 NULL);
305
306 return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev));
307}
308
309static void s390_virtio_rng_instance_init(Object *obj)
310{
311 VirtIORNGS390 *dev = VIRTIO_RNG_S390(obj);
312 object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_RNG);
313 object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
314 object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
315 (Object **)&dev->vdev.conf.rng, NULL);
316}
317
318static uint64_t s390_virtio_device_vq_token(VirtIOS390Device *dev, int vq)
319{
320 ram_addr_t token_off;
321
322 token_off = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) +
323 (vq * VIRTIO_VQCONFIG_LEN) +
324 VIRTIO_VQCONFIG_OFFS_TOKEN;
325
326 return ldq_be_phys(token_off);
327}
328
329static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev)
330{
331 VirtIODevice *vdev = dev->vdev;
332 int num_vq;
333
334 for (num_vq = 0; num_vq < VIRTIO_PCI_QUEUE_MAX; num_vq++) {
335 if (!virtio_queue_get_num(vdev, num_vq)) {
336 break;
337 }
338 }
339
340 return num_vq;
341}
342
343static ram_addr_t s390_virtio_next_ring(VirtIOS390Bus *bus)
344{
345 ram_addr_t r = bus->next_ring;
346
347 bus->next_ring += VIRTIO_RING_LEN;
348 return r;
349}
350
351void s390_virtio_device_sync(VirtIOS390Device *dev)
352{
353 VirtIOS390Bus *bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus);
354 ram_addr_t cur_offs;
355 uint8_t num_vq;
356 int i;
357
358 virtio_reset(dev->vdev);
359
360
361 stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_TYPE, dev->vdev->device_id);
362
363 stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, s390_virtio_device_num_vq(dev));
364 stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_FEATURE_LEN, dev->feat_len);
365
366 stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG_LEN, dev->vdev->config_len);
367
368 num_vq = s390_virtio_device_num_vq(dev);
369 stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, num_vq);
370
371
372 for (i = 0; i < num_vq; i++) {
373 ram_addr_t vq = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) +
374 (i * VIRTIO_VQCONFIG_LEN);
375 ram_addr_t vring;
376
377 vring = s390_virtio_next_ring(bus);
378 virtio_queue_set_addr(dev->vdev, i, vring);
379 virtio_queue_set_vector(dev->vdev, i, i);
380 stq_be_phys(vq + VIRTIO_VQCONFIG_OFFS_ADDRESS, vring);
381 stw_be_phys(vq + VIRTIO_VQCONFIG_OFFS_NUM, virtio_queue_get_num(dev->vdev, i));
382 }
383
384 cur_offs = dev->dev_offs;
385 cur_offs += VIRTIO_DEV_OFFS_CONFIG;
386 cur_offs += num_vq * VIRTIO_VQCONFIG_LEN;
387
388
389 stl_le_phys(cur_offs, dev->host_features);
390
391 dev->feat_offs = cur_offs + dev->feat_len;
392 cur_offs += dev->feat_len * 2;
393
394
395 virtio_bus_get_vdev_config(&dev->bus, dev->vdev->config);
396
397 cpu_physical_memory_write(cur_offs,
398 dev->vdev->config, dev->vdev->config_len);
399 cur_offs += dev->vdev->config_len;
400}
401
402void s390_virtio_device_update_status(VirtIOS390Device *dev)
403{
404 VirtIODevice *vdev = dev->vdev;
405 uint32_t features;
406
407 virtio_set_status(vdev, ldub_phys(dev->dev_offs + VIRTIO_DEV_OFFS_STATUS));
408
409
410
411 features = bswap32(ldl_be_phys(dev->feat_offs));
412 virtio_set_features(vdev, features);
413}
414
415VirtIOS390Device *s390_virtio_bus_console(VirtIOS390Bus *bus)
416{
417 return bus->console;
418}
419
420
421VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus,
422 ram_addr_t mem,
423 int *vq_num)
424{
425 BusChild *kid;
426 int i;
427
428 QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
429 VirtIOS390Device *dev = (VirtIOS390Device *)kid->child;
430
431 for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++) {
432 if (!virtio_queue_get_addr(dev->vdev, i))
433 break;
434 if (virtio_queue_get_addr(dev->vdev, i) == mem) {
435 if (vq_num) {
436 *vq_num = i;
437 }
438 return dev;
439 }
440 }
441 }
442
443 return NULL;
444}
445
446
447VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus, ram_addr_t mem)
448{
449 BusChild *kid;
450
451 QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
452 VirtIOS390Device *dev = (VirtIOS390Device *)kid->child;
453 if (dev->dev_offs == mem) {
454 return dev;
455 }
456 }
457
458 return NULL;
459}
460
461
462
463
464static inline VirtIOS390Device *to_virtio_s390_device_fast(DeviceState *d)
465{
466 return container_of(d, VirtIOS390Device, qdev);
467}
468
469
470static inline VirtIOS390Device *to_virtio_s390_device(DeviceState *d)
471{
472 return container_of(d, VirtIOS390Device, qdev);
473}
474
475static void virtio_s390_notify(DeviceState *d, uint16_t vector)
476{
477 VirtIOS390Device *dev = to_virtio_s390_device_fast(d);
478 uint64_t token = s390_virtio_device_vq_token(dev, vector);
479 S390CPU *cpu = s390_cpu_addr2state(0);
480
481 s390_virtio_irq(cpu, 0, token);
482}
483
484static unsigned virtio_s390_get_features(DeviceState *d)
485{
486 VirtIOS390Device *dev = to_virtio_s390_device(d);
487 return dev->host_features;
488}
489
490
491
492static Property s390_virtio_net_properties[] = {
493 DEFINE_NIC_PROPERTIES(VirtIONetS390, vdev.nic_conf),
494 DEFINE_VIRTIO_NET_FEATURES(VirtIOS390Device, host_features),
495 DEFINE_VIRTIO_NET_PROPERTIES(VirtIONetS390, vdev.net_conf),
496 DEFINE_PROP_END_OF_LIST(),
497};
498
499static void s390_virtio_net_class_init(ObjectClass *klass, void *data)
500{
501 DeviceClass *dc = DEVICE_CLASS(klass);
502 VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass);
503
504 k->init = s390_virtio_net_init;
505 dc->props = s390_virtio_net_properties;
506}
507
508static const TypeInfo s390_virtio_net = {
509 .name = TYPE_VIRTIO_NET_S390,
510 .parent = TYPE_VIRTIO_S390_DEVICE,
511 .instance_size = sizeof(VirtIONetS390),
512 .instance_init = s390_virtio_net_instance_init,
513 .class_init = s390_virtio_net_class_init,
514};
515
516static Property s390_virtio_blk_properties[] = {
517 DEFINE_VIRTIO_BLK_PROPERTIES(VirtIOBlkS390, blk),
518 DEFINE_PROP_END_OF_LIST(),
519};
520
521static void s390_virtio_blk_class_init(ObjectClass *klass, void *data)
522{
523 DeviceClass *dc = DEVICE_CLASS(klass);
524 VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass);
525
526 k->init = s390_virtio_blk_init;
527 dc->props = s390_virtio_blk_properties;
528}
529
530static const TypeInfo s390_virtio_blk = {
531 .name = "virtio-blk-s390",
532 .parent = TYPE_VIRTIO_S390_DEVICE,
533 .instance_size = sizeof(VirtIOBlkS390),
534 .instance_init = s390_virtio_blk_instance_init,
535 .class_init = s390_virtio_blk_class_init,
536};
537
538static Property s390_virtio_serial_properties[] = {
539 DEFINE_VIRTIO_SERIAL_PROPERTIES(VirtIOSerialS390, vdev.serial),
540 DEFINE_PROP_END_OF_LIST(),
541};
542
543static void s390_virtio_serial_class_init(ObjectClass *klass, void *data)
544{
545 DeviceClass *dc = DEVICE_CLASS(klass);
546 VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass);
547
548 k->init = s390_virtio_serial_init;
549 dc->props = s390_virtio_serial_properties;
550}
551
552static const TypeInfo s390_virtio_serial = {
553 .name = TYPE_VIRTIO_SERIAL_S390,
554 .parent = TYPE_VIRTIO_S390_DEVICE,
555 .instance_size = sizeof(VirtIOSerialS390),
556 .instance_init = s390_virtio_serial_instance_init,
557 .class_init = s390_virtio_serial_class_init,
558};
559
560static Property s390_virtio_rng_properties[] = {
561 DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features),
562 DEFINE_VIRTIO_RNG_PROPERTIES(VirtIORNGS390, vdev.conf),
563 DEFINE_PROP_END_OF_LIST(),
564};
565
566static void s390_virtio_rng_class_init(ObjectClass *klass, void *data)
567{
568 DeviceClass *dc = DEVICE_CLASS(klass);
569 VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass);
570
571 k->init = s390_virtio_rng_init;
572 dc->props = s390_virtio_rng_properties;
573}
574
575static const TypeInfo s390_virtio_rng = {
576 .name = TYPE_VIRTIO_RNG_S390,
577 .parent = TYPE_VIRTIO_S390_DEVICE,
578 .instance_size = sizeof(VirtIORNGS390),
579 .instance_init = s390_virtio_rng_instance_init,
580 .class_init = s390_virtio_rng_class_init,
581};
582
583static int s390_virtio_busdev_init(DeviceState *dev)
584{
585 VirtIOS390Device *_dev = (VirtIOS390Device *)dev;
586 VirtIOS390DeviceClass *_info = VIRTIO_S390_DEVICE_GET_CLASS(dev);
587
588 virtio_s390_bus_new(&_dev->bus, _dev);
589
590 return _info->init(_dev);
591}
592
593static void s390_virtio_busdev_reset(DeviceState *dev)
594{
595 VirtIOS390Device *_dev = (VirtIOS390Device *)dev;
596
597 virtio_reset(_dev->vdev);
598}
599
600static void virtio_s390_device_class_init(ObjectClass *klass, void *data)
601{
602 DeviceClass *dc = DEVICE_CLASS(klass);
603
604 dc->init = s390_virtio_busdev_init;
605 dc->bus_type = TYPE_S390_VIRTIO_BUS;
606 dc->unplug = qdev_simple_unplug_cb;
607 dc->reset = s390_virtio_busdev_reset;
608}
609
610static const TypeInfo virtio_s390_device_info = {
611 .name = TYPE_VIRTIO_S390_DEVICE,
612 .parent = TYPE_DEVICE,
613 .instance_size = sizeof(VirtIOS390Device),
614 .class_init = virtio_s390_device_class_init,
615 .class_size = sizeof(VirtIOS390DeviceClass),
616 .abstract = true,
617};
618
619static Property s390_virtio_scsi_properties[] = {
620 DEFINE_VIRTIO_SCSI_PROPERTIES(VirtIOSCSIS390, vdev.parent_obj.conf),
621 DEFINE_VIRTIO_SCSI_FEATURES(VirtIOS390Device, host_features),
622 DEFINE_PROP_END_OF_LIST(),
623};
624
625static void s390_virtio_scsi_class_init(ObjectClass *klass, void *data)
626{
627 DeviceClass *dc = DEVICE_CLASS(klass);
628 VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass);
629
630 k->init = s390_virtio_scsi_init;
631 dc->props = s390_virtio_scsi_properties;
632}
633
634static const TypeInfo s390_virtio_scsi = {
635 .name = TYPE_VIRTIO_SCSI_S390,
636 .parent = TYPE_VIRTIO_S390_DEVICE,
637 .instance_size = sizeof(VirtIOSCSIS390),
638 .instance_init = s390_virtio_scsi_instance_init,
639 .class_init = s390_virtio_scsi_class_init,
640};
641
642#ifdef CONFIG_VHOST_SCSI
643static Property s390_vhost_scsi_properties[] = {
644 DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features),
645 DEFINE_VHOST_SCSI_PROPERTIES(VHostSCSIS390, vdev.parent_obj.conf),
646 DEFINE_PROP_END_OF_LIST(),
647};
648
649static void s390_vhost_scsi_class_init(ObjectClass *klass, void *data)
650{
651 DeviceClass *dc = DEVICE_CLASS(klass);
652 VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass);
653
654 k->init = s390_vhost_scsi_init;
655 dc->props = s390_vhost_scsi_properties;
656}
657
658static const TypeInfo s390_vhost_scsi = {
659 .name = TYPE_VHOST_SCSI_S390,
660 .parent = TYPE_VIRTIO_S390_DEVICE,
661 .instance_size = sizeof(VHostSCSIS390),
662 .instance_init = s390_vhost_scsi_instance_init,
663 .class_init = s390_vhost_scsi_class_init,
664};
665#endif
666
667
668
669
670static int s390_virtio_bridge_init(SysBusDevice *dev)
671{
672
673 return 0;
674}
675
676static void s390_virtio_bridge_class_init(ObjectClass *klass, void *data)
677{
678 DeviceClass *dc = DEVICE_CLASS(klass);
679 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
680
681 k->init = s390_virtio_bridge_init;
682 dc->no_user = 1;
683}
684
685static const TypeInfo s390_virtio_bridge_info = {
686 .name = "s390-virtio-bridge",
687 .parent = TYPE_SYS_BUS_DEVICE,
688 .instance_size = sizeof(SysBusDevice),
689 .class_init = s390_virtio_bridge_class_init,
690};
691
692
693
694static void virtio_s390_bus_new(VirtioBusState *bus, VirtIOS390Device *dev)
695{
696 DeviceState *qdev = DEVICE(dev);
697 BusState *qbus;
698 char virtio_bus_name[] = "virtio-bus";
699
700 qbus_create_inplace((BusState *)bus, TYPE_VIRTIO_S390_BUS, qdev,
701 virtio_bus_name);
702 qbus = BUS(bus);
703 qbus->allow_hotplug = 1;
704}
705
706static void virtio_s390_bus_class_init(ObjectClass *klass, void *data)
707{
708 VirtioBusClass *k = VIRTIO_BUS_CLASS(klass);
709 BusClass *bus_class = BUS_CLASS(klass);
710 bus_class->max_dev = 1;
711 k->notify = virtio_s390_notify;
712 k->get_features = virtio_s390_get_features;
713}
714
715static const TypeInfo virtio_s390_bus_info = {
716 .name = TYPE_VIRTIO_S390_BUS,
717 .parent = TYPE_VIRTIO_BUS,
718 .instance_size = sizeof(VirtioS390BusState),
719 .class_init = virtio_s390_bus_class_init,
720};
721
722static void s390_virtio_register_types(void)
723{
724 type_register_static(&virtio_s390_bus_info);
725 type_register_static(&s390_virtio_bus_info);
726 type_register_static(&virtio_s390_device_info);
727 type_register_static(&s390_virtio_serial);
728 type_register_static(&s390_virtio_blk);
729 type_register_static(&s390_virtio_net);
730 type_register_static(&s390_virtio_scsi);
731#ifdef CONFIG_VHOST_SCSI
732 type_register_static(&s390_vhost_scsi);
733#endif
734 type_register_static(&s390_virtio_rng);
735 type_register_static(&s390_virtio_bridge_info);
736}
737
738type_init(s390_virtio_register_types)
739
