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virtio-ccw: add virtio-crypto-ccw device
[qemu.git] / hw / s390x / virtio-ccw.c
blob613d8c66153fde4c217d4e0aaa1fcde3418671bc
1 /*
2 * virtio ccw target implementation
3 *
4 * Copyright 2012,2015 IBM Corp.
5 * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
6 * Pierre Morel <pmorel@linux.vnet.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 "qapi/error.h"
15 #include "hw/hw.h"
16 #include "sysemu/block-backend.h"
17 #include "sysemu/blockdev.h"
18 #include "sysemu/sysemu.h"
19 #include "sysemu/kvm.h"
20 #include "net/net.h"
21 #include "hw/virtio/virtio.h"
22 #include "hw/virtio/virtio-serial.h"
23 #include "hw/virtio/virtio-net.h"
24 #include "hw/sysbus.h"
25 #include "qemu/bitops.h"
26 #include "qemu/error-report.h"
27 #include "hw/virtio/virtio-access.h"
28 #include "hw/virtio/virtio-bus.h"
29 #include "hw/s390x/adapter.h"
30 #include "hw/s390x/s390_flic.h"
31
32 #include "hw/s390x/ioinst.h"
33 #include "hw/s390x/css.h"
34 #include "virtio-ccw.h"
35 #include "trace.h"
36 #include "hw/s390x/css-bridge.h"
37
38 static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size,
39 VirtioCcwDevice *dev);
40
41 VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch)
42 {
43 VirtIODevice *vdev = NULL;
44 VirtioCcwDevice *dev = sch->driver_data;
45
46 if (dev) {
47 vdev = virtio_bus_get_device(&dev->bus);
48 }
49 return vdev;
50 }
51
52 static void virtio_ccw_start_ioeventfd(VirtioCcwDevice *dev)
53 {
54 virtio_bus_start_ioeventfd(&dev->bus);
55 }
56
57 static void virtio_ccw_stop_ioeventfd(VirtioCcwDevice *dev)
58 {
59 virtio_bus_stop_ioeventfd(&dev->bus);
60 }
61
62 static bool virtio_ccw_ioeventfd_enabled(DeviceState *d)
63 {
64 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
65
66 return (dev->flags & VIRTIO_CCW_FLAG_USE_IOEVENTFD) != 0;
67 }
68
69 static int virtio_ccw_ioeventfd_assign(DeviceState *d, EventNotifier *notifier,
70 int n, bool assign)
71 {
72 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
73 CcwDevice *ccw_dev = CCW_DEVICE(dev);
74 SubchDev *sch = ccw_dev->sch;
75 uint32_t sch_id = (css_build_subchannel_id(sch) << 16) | sch->schid;
76
77 return s390_assign_subch_ioeventfd(notifier, sch_id, n, assign);
78 }
79
80 /* Communication blocks used by several channel commands. */
81 typedef struct VqInfoBlockLegacy {
82 uint64_t queue;
83 uint32_t align;
84 uint16_t index;
85 uint16_t num;
86 } QEMU_PACKED VqInfoBlockLegacy;
87
88 typedef struct VqInfoBlock {
89 uint64_t desc;
90 uint32_t res0;
91 uint16_t index;
92 uint16_t num;
93 uint64_t avail;
94 uint64_t used;
95 } QEMU_PACKED VqInfoBlock;
96
97 typedef struct VqConfigBlock {
98 uint16_t index;
99 uint16_t num_max;
100 } QEMU_PACKED VqConfigBlock;
101
102 typedef struct VirtioFeatDesc {
103 uint32_t features;
104 uint8_t index;
105 } QEMU_PACKED VirtioFeatDesc;
106
107 typedef struct VirtioThinintInfo {
108 hwaddr summary_indicator;
109 hwaddr device_indicator;
110 uint64_t ind_bit;
111 uint8_t isc;
112 } QEMU_PACKED VirtioThinintInfo;
113
114 typedef struct VirtioRevInfo {
115 uint16_t revision;
116 uint16_t length;
117 uint8_t data[0];
118 } QEMU_PACKED VirtioRevInfo;
119
120 /* Specify where the virtqueues for the subchannel are in guest memory. */
121 static int virtio_ccw_set_vqs(SubchDev *sch, VqInfoBlock *info,
122 VqInfoBlockLegacy *linfo)
123 {
124 VirtIODevice *vdev = virtio_ccw_get_vdev(sch);
125 uint16_t index = info ? info->index : linfo->index;
126 uint16_t num = info ? info->num : linfo->num;
127 uint64_t desc = info ? info->desc : linfo->queue;
128
129 if (index >= VIRTIO_CCW_QUEUE_MAX) {
130 return -EINVAL;
131 }
132
133 /* Current code in virtio.c relies on 4K alignment. */
134 if (linfo && desc && (linfo->align != 4096)) {
135 return -EINVAL;
136 }
137
138 if (!vdev) {
139 return -EINVAL;
140 }
141
142 if (info) {
143 virtio_queue_set_rings(vdev, index, desc, info->avail, info->used);
144 } else {
145 virtio_queue_set_addr(vdev, index, desc);
146 }
147 if (!desc) {
148 virtio_queue_set_vector(vdev, index, VIRTIO_NO_VECTOR);
149 } else {
150 if (info) {
151 /* virtio-1 allows changing the ring size. */
152 if (virtio_queue_get_max_num(vdev, index) < num) {
153 /* Fail if we exceed the maximum number. */
154 return -EINVAL;
155 }
156 virtio_queue_set_num(vdev, index, num);
157 } else if (virtio_queue_get_num(vdev, index) > num) {
158 /* Fail if we don't have a big enough queue. */
159 return -EINVAL;
160 }
161 /* We ignore possible increased num for legacy for compatibility. */
162 virtio_queue_set_vector(vdev, index, index);
163 }
164 /* tell notify handler in case of config change */
165 vdev->config_vector = VIRTIO_CCW_QUEUE_MAX;
166 return 0;
167 }
168
169 static void virtio_ccw_reset_virtio(VirtioCcwDevice *dev, VirtIODevice *vdev)
170 {
171 CcwDevice *ccw_dev = CCW_DEVICE(dev);
172
173 virtio_ccw_stop_ioeventfd(dev);
174 virtio_reset(vdev);
175 if (dev->indicators) {
176 release_indicator(&dev->routes.adapter, dev->indicators);
177 dev->indicators = NULL;
178 }
179 if (dev->indicators2) {
180 release_indicator(&dev->routes.adapter, dev->indicators2);
181 dev->indicators2 = NULL;
182 }
183 if (dev->summary_indicator) {
184 release_indicator(&dev->routes.adapter, dev->summary_indicator);
185 dev->summary_indicator = NULL;
186 }
187 ccw_dev->sch->thinint_active = false;
188 }
189
190 static int virtio_ccw_handle_set_vq(SubchDev *sch, CCW1 ccw, bool check_len,
191 bool is_legacy)
192 {
193 int ret;
194 VqInfoBlock info;
195 VqInfoBlockLegacy linfo;
196 size_t info_len = is_legacy ? sizeof(linfo) : sizeof(info);
197
198 if (check_len) {
199 if (ccw.count != info_len) {
200 return -EINVAL;
201 }
202 } else if (ccw.count < info_len) {
203 /* Can't execute command. */
204 return -EINVAL;
205 }
206 if (!ccw.cda) {
207 return -EFAULT;
208 }
209 if (is_legacy) {
210 linfo.queue = address_space_ldq_be(&address_space_memory, ccw.cda,
211 MEMTXATTRS_UNSPECIFIED, NULL);
212 linfo.align = address_space_ldl_be(&address_space_memory,
213 ccw.cda + sizeof(linfo.queue),
214 MEMTXATTRS_UNSPECIFIED,
215 NULL);
216 linfo.index = address_space_lduw_be(&address_space_memory,
217 ccw.cda + sizeof(linfo.queue)
218 + sizeof(linfo.align),
219 MEMTXATTRS_UNSPECIFIED,
220 NULL);
221 linfo.num = address_space_lduw_be(&address_space_memory,
222 ccw.cda + sizeof(linfo.queue)
223 + sizeof(linfo.align)
224 + sizeof(linfo.index),
225 MEMTXATTRS_UNSPECIFIED,
226 NULL);
227 ret = virtio_ccw_set_vqs(sch, NULL, &linfo);
228 } else {
229 info.desc = address_space_ldq_be(&address_space_memory, ccw.cda,
230 MEMTXATTRS_UNSPECIFIED, NULL);
231 info.index = address_space_lduw_be(&address_space_memory,
232 ccw.cda + sizeof(info.desc)
233 + sizeof(info.res0),
234 MEMTXATTRS_UNSPECIFIED, NULL);
235 info.num = address_space_lduw_be(&address_space_memory,
236 ccw.cda + sizeof(info.desc)
237 + sizeof(info.res0)
238 + sizeof(info.index),
239 MEMTXATTRS_UNSPECIFIED, NULL);
240 info.avail = address_space_ldq_be(&address_space_memory,
241 ccw.cda + sizeof(info.desc)
242 + sizeof(info.res0)
243 + sizeof(info.index)
244 + sizeof(info.num),
245 MEMTXATTRS_UNSPECIFIED, NULL);
246 info.used = address_space_ldq_be(&address_space_memory,
247 ccw.cda + sizeof(info.desc)
248 + sizeof(info.res0)
249 + sizeof(info.index)
250 + sizeof(info.num)
251 + sizeof(info.avail),
252 MEMTXATTRS_UNSPECIFIED, NULL);
253 ret = virtio_ccw_set_vqs(sch, &info, NULL);
254 }
255 sch->curr_status.scsw.count = 0;
256 return ret;
257 }
258
259 static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw)
260 {
261 int ret;
262 VirtioRevInfo revinfo;
263 uint8_t status;
264 VirtioFeatDesc features;
265 void *config;
266 hwaddr indicators;
267 VqConfigBlock vq_config;
268 VirtioCcwDevice *dev = sch->driver_data;
269 VirtIODevice *vdev = virtio_ccw_get_vdev(sch);
270 bool check_len;
271 int len;
272 hwaddr hw_len;
273 VirtioThinintInfo *thinint;
274
275 if (!dev) {
276 return -EINVAL;
277 }
278
279 trace_virtio_ccw_interpret_ccw(sch->cssid, sch->ssid, sch->schid,
280 ccw.cmd_code);
281 check_len = !((ccw.flags & CCW_FLAG_SLI) && !(ccw.flags & CCW_FLAG_DC));
282
283 if (dev->force_revision_1 && dev->revision < 0 &&
284 ccw.cmd_code != CCW_CMD_SET_VIRTIO_REV) {
285 /*
286 * virtio-1 drivers must start with negotiating to a revision >= 1,
287 * so post a command reject for all other commands
288 */
289 return -ENOSYS;
290 }
291
292 /* Look at the command. */
293 switch (ccw.cmd_code) {
294 case CCW_CMD_SET_VQ:
295 ret = virtio_ccw_handle_set_vq(sch, ccw, check_len, dev->revision < 1);
296 break;
297 case CCW_CMD_VDEV_RESET:
298 virtio_ccw_reset_virtio(dev, vdev);
299 ret = 0;
300 break;
301 case CCW_CMD_READ_FEAT:
302 if (check_len) {
303 if (ccw.count != sizeof(features)) {
304 ret = -EINVAL;
305 break;
306 }
307 } else if (ccw.count < sizeof(features)) {
308 /* Can't execute command. */
309 ret = -EINVAL;
310 break;
311 }
312 if (!ccw.cda) {
313 ret = -EFAULT;
314 } else {
315 VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev);
316
317 features.index = address_space_ldub(&address_space_memory,
318 ccw.cda
319 + sizeof(features.features),
320 MEMTXATTRS_UNSPECIFIED,
321 NULL);
322 if (features.index == 0) {
323 if (dev->revision >= 1) {
324 /* Don't offer legacy features for modern devices. */
325 features.features = (uint32_t)
326 (vdev->host_features & ~vdc->legacy_features);
327 } else {
328 features.features = (uint32_t)vdev->host_features;
329 }
330 } else if ((features.index == 1) && (dev->revision >= 1)) {
331 /*
332 * Only offer feature bits beyond 31 if the guest has
333 * negotiated at least revision 1.
334 */
335 features.features = (uint32_t)(vdev->host_features >> 32);
336 } else {
337 /* Return zeroes if the guest supports more feature bits. */
338 features.features = 0;
339 }
340 address_space_stl_le(&address_space_memory, ccw.cda,
341 features.features, MEMTXATTRS_UNSPECIFIED,
342 NULL);
343 sch->curr_status.scsw.count = ccw.count - sizeof(features);
344 ret = 0;
345 }
346 break;
347 case CCW_CMD_WRITE_FEAT:
348 if (check_len) {
349 if (ccw.count != sizeof(features)) {
350 ret = -EINVAL;
351 break;
352 }
353 } else if (ccw.count < sizeof(features)) {
354 /* Can't execute command. */
355 ret = -EINVAL;
356 break;
357 }
358 if (!ccw.cda) {
359 ret = -EFAULT;
360 } else {
361 features.index = address_space_ldub(&address_space_memory,
362 ccw.cda
363 + sizeof(features.features),
364 MEMTXATTRS_UNSPECIFIED,
365 NULL);
366 features.features = address_space_ldl_le(&address_space_memory,
367 ccw.cda,
368 MEMTXATTRS_UNSPECIFIED,
369 NULL);
370 if (features.index == 0) {
371 virtio_set_features(vdev,
372 (vdev->guest_features & 0xffffffff00000000ULL) |
373 features.features);
374 } else if ((features.index == 1) && (dev->revision >= 1)) {
375 /*
376 * If the guest did not negotiate at least revision 1,
377 * we did not offer it any feature bits beyond 31. Such a
378 * guest passing us any bit here is therefore buggy.
379 */
380 virtio_set_features(vdev,
381 (vdev->guest_features & 0x00000000ffffffffULL) |
382 ((uint64_t)features.features << 32));
383 } else {
384 /*
385 * If the guest supports more feature bits, assert that it
386 * passes us zeroes for those we don't support.
387 */
388 if (features.features) {
389 fprintf(stderr, "Guest bug: features[%i]=%x (expected 0)\n",
390 features.index, features.features);
391 /* XXX: do a unit check here? */
392 }
393 }
394 sch->curr_status.scsw.count = ccw.count - sizeof(features);
395 ret = 0;
396 }
397 break;
398 case CCW_CMD_READ_CONF:
399 if (check_len) {
400 if (ccw.count > vdev->config_len) {
401 ret = -EINVAL;
402 break;
403 }
404 }
405 len = MIN(ccw.count, vdev->config_len);
406 if (!ccw.cda) {
407 ret = -EFAULT;
408 } else {
409 virtio_bus_get_vdev_config(&dev->bus, vdev->config);
410 /* XXX config space endianness */
411 cpu_physical_memory_write(ccw.cda, vdev->config, len);
412 sch->curr_status.scsw.count = ccw.count - len;
413 ret = 0;
414 }
415 break;
416 case CCW_CMD_WRITE_CONF:
417 if (check_len) {
418 if (ccw.count > vdev->config_len) {
419 ret = -EINVAL;
420 break;
421 }
422 }
423 len = MIN(ccw.count, vdev->config_len);
424 hw_len = len;
425 if (!ccw.cda) {
426 ret = -EFAULT;
427 } else {
428 config = cpu_physical_memory_map(ccw.cda, &hw_len, 0);
429 if (!config) {
430 ret = -EFAULT;
431 } else {
432 len = hw_len;
433 /* XXX config space endianness */
434 memcpy(vdev->config, config, len);
435 cpu_physical_memory_unmap(config, hw_len, 0, hw_len);
436 virtio_bus_set_vdev_config(&dev->bus, vdev->config);
437 sch->curr_status.scsw.count = ccw.count - len;
438 ret = 0;
439 }
440 }
441 break;
442 case CCW_CMD_READ_STATUS:
443 if (check_len) {
444 if (ccw.count != sizeof(status)) {
445 ret = -EINVAL;
446 break;
447 }
448 } else if (ccw.count < sizeof(status)) {
449 /* Can't execute command. */
450 ret = -EINVAL;
451 break;
452 }
453 if (!ccw.cda) {
454 ret = -EFAULT;
455 } else {
456 address_space_stb(&address_space_memory, ccw.cda, vdev->status,
457 MEMTXATTRS_UNSPECIFIED, NULL);
458 sch->curr_status.scsw.count = ccw.count - sizeof(vdev->status);;
459 ret = 0;
460 }
461 break;
462 case CCW_CMD_WRITE_STATUS:
463 if (check_len) {
464 if (ccw.count != sizeof(status)) {
465 ret = -EINVAL;
466 break;
467 }
468 } else if (ccw.count < sizeof(status)) {
469 /* Can't execute command. */
470 ret = -EINVAL;
471 break;
472 }
473 if (!ccw.cda) {
474 ret = -EFAULT;
475 } else {
476 status = address_space_ldub(&address_space_memory, ccw.cda,
477 MEMTXATTRS_UNSPECIFIED, NULL);
478 if (!(status & VIRTIO_CONFIG_S_DRIVER_OK)) {
479 virtio_ccw_stop_ioeventfd(dev);
480 }
481 if (virtio_set_status(vdev, status) == 0) {
482 if (vdev->status == 0) {
483 virtio_ccw_reset_virtio(dev, vdev);
484 }
485 if (status & VIRTIO_CONFIG_S_DRIVER_OK) {
486 virtio_ccw_start_ioeventfd(dev);
487 }
488 sch->curr_status.scsw.count = ccw.count - sizeof(status);
489 ret = 0;
490 } else {
491 /* Trigger a command reject. */
492 ret = -ENOSYS;
493 }
494 }
495 break;
496 case CCW_CMD_SET_IND:
497 if (check_len) {
498 if (ccw.count != sizeof(indicators)) {
499 ret = -EINVAL;
500 break;
501 }
502 } else if (ccw.count < sizeof(indicators)) {
503 /* Can't execute command. */
504 ret = -EINVAL;
505 break;
506 }
507 if (sch->thinint_active) {
508 /* Trigger a command reject. */
509 ret = -ENOSYS;
510 break;
511 }
512 if (!ccw.cda) {
513 ret = -EFAULT;
514 } else {
515 indicators = address_space_ldq_be(&address_space_memory, ccw.cda,
516 MEMTXATTRS_UNSPECIFIED, NULL);
517 dev->indicators = get_indicator(indicators, sizeof(uint64_t));
518 sch->curr_status.scsw.count = ccw.count - sizeof(indicators);
519 ret = 0;
520 }
521 break;
522 case CCW_CMD_SET_CONF_IND:
523 if (check_len) {
524 if (ccw.count != sizeof(indicators)) {
525 ret = -EINVAL;
526 break;
527 }
528 } else if (ccw.count < sizeof(indicators)) {
529 /* Can't execute command. */
530 ret = -EINVAL;
531 break;
532 }
533 if (!ccw.cda) {
534 ret = -EFAULT;
535 } else {
536 indicators = address_space_ldq_be(&address_space_memory, ccw.cda,
537 MEMTXATTRS_UNSPECIFIED, NULL);
538 dev->indicators2 = get_indicator(indicators, sizeof(uint64_t));
539 sch->curr_status.scsw.count = ccw.count - sizeof(indicators);
540 ret = 0;
541 }
542 break;
543 case CCW_CMD_READ_VQ_CONF:
544 if (check_len) {
545 if (ccw.count != sizeof(vq_config)) {
546 ret = -EINVAL;
547 break;
548 }
549 } else if (ccw.count < sizeof(vq_config)) {
550 /* Can't execute command. */
551 ret = -EINVAL;
552 break;
553 }
554 if (!ccw.cda) {
555 ret = -EFAULT;
556 } else {
557 vq_config.index = address_space_lduw_be(&address_space_memory,
558 ccw.cda,
559 MEMTXATTRS_UNSPECIFIED,
560 NULL);
561 if (vq_config.index >= VIRTIO_CCW_QUEUE_MAX) {
562 ret = -EINVAL;
563 break;
564 }
565 vq_config.num_max = virtio_queue_get_num(vdev,
566 vq_config.index);
567 address_space_stw_be(&address_space_memory,
568 ccw.cda + sizeof(vq_config.index),
569 vq_config.num_max,
570 MEMTXATTRS_UNSPECIFIED,
571 NULL);
572 sch->curr_status.scsw.count = ccw.count - sizeof(vq_config);
573 ret = 0;
574 }
575 break;
576 case CCW_CMD_SET_IND_ADAPTER:
577 if (check_len) {
578 if (ccw.count != sizeof(*thinint)) {
579 ret = -EINVAL;
580 break;
581 }
582 } else if (ccw.count < sizeof(*thinint)) {
583 /* Can't execute command. */
584 ret = -EINVAL;
585 break;
586 }
587 len = sizeof(*thinint);
588 hw_len = len;
589 if (!ccw.cda) {
590 ret = -EFAULT;
591 } else if (dev->indicators && !sch->thinint_active) {
592 /* Trigger a command reject. */
593 ret = -ENOSYS;
594 } else {
595 thinint = cpu_physical_memory_map(ccw.cda, &hw_len, 0);
596 if (!thinint) {
597 ret = -EFAULT;
598 } else {
599 uint64_t ind_bit = ldq_be_p(&thinint->ind_bit);
600
601 len = hw_len;
602 dev->summary_indicator =
603 get_indicator(ldq_be_p(&thinint->summary_indicator),
604 sizeof(uint8_t));
605 dev->indicators =
606 get_indicator(ldq_be_p(&thinint->device_indicator),
607 ind_bit / 8 + 1);
608 dev->thinint_isc = thinint->isc;
609 dev->routes.adapter.ind_offset = ind_bit;
610 dev->routes.adapter.summary_offset = 7;
611 cpu_physical_memory_unmap(thinint, hw_len, 0, hw_len);
612 ret = css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO,
613 dev->thinint_isc, true, false,
614 &dev->routes.adapter.adapter_id);
615 assert(ret == 0);
616 sch->thinint_active = ((dev->indicators != NULL) &&
617 (dev->summary_indicator != NULL));
618 sch->curr_status.scsw.count = ccw.count - len;
619 ret = 0;
620 }
621 }
622 break;
623 case CCW_CMD_SET_VIRTIO_REV:
624 len = sizeof(revinfo);
625 if (ccw.count < len) {
626 ret = -EINVAL;
627 break;
628 }
629 if (!ccw.cda) {
630 ret = -EFAULT;
631 break;
632 }
633 revinfo.revision =
634 address_space_lduw_be(&address_space_memory, ccw.cda,
635 MEMTXATTRS_UNSPECIFIED, NULL);
636 revinfo.length =
637 address_space_lduw_be(&address_space_memory,
638 ccw.cda + sizeof(revinfo.revision),
639 MEMTXATTRS_UNSPECIFIED, NULL);
640 if (ccw.count < len + revinfo.length ||
641 (check_len && ccw.count > len + revinfo.length)) {
642 ret = -EINVAL;
643 break;
644 }
645 /*
646 * Once we start to support revisions with additional data, we'll
647 * need to fetch it here. Nothing to do for now, though.
648 */
649 if (dev->revision >= 0 ||
650 revinfo.revision > virtio_ccw_rev_max(dev) ||
651 (dev->force_revision_1 && !revinfo.revision)) {
652 ret = -ENOSYS;
653 break;
654 }
655 ret = 0;
656 dev->revision = revinfo.revision;
657 break;
658 default:
659 ret = -ENOSYS;
660 break;
661 }
662 return ret;
663 }
664
665 static void virtio_sch_disable_cb(SubchDev *sch)
666 {
667 VirtioCcwDevice *dev = sch->driver_data;
668
669 dev->revision = -1;
670 }
671
672 static void virtio_ccw_device_realize(VirtioCcwDevice *dev, Error **errp)
673 {
674 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_GET_CLASS(dev);
675 CcwDevice *ccw_dev = CCW_DEVICE(dev);
676 SubchDev *sch = css_create_virtual_sch(ccw_dev->bus_id, errp);
677 Error *err = NULL;
678
679 if (!sch) {
680 return;
681 }
682 if (!virtio_ccw_rev_max(dev) && dev->force_revision_1) {
683 error_setg(&err, "Invalid value of property max_rev "
684 "(is %d expected >= 1)", virtio_ccw_rev_max(dev));
685 error_propagate(errp, err);
686 return;
687 }
688
689 sch->driver_data = dev;
690 sch->ccw_cb = virtio_ccw_cb;
691 sch->disable_cb = virtio_sch_disable_cb;
692 sch->id.reserved = 0xff;
693 sch->id.cu_type = VIRTIO_CCW_CU_TYPE;
694 ccw_dev->sch = sch;
695 dev->indicators = NULL;
696 dev->revision = -1;
697 css_sch_build_virtual_schib(sch, 0, VIRTIO_CCW_CHPID_TYPE);
698
699 trace_virtio_ccw_new_device(
700 sch->cssid, sch->ssid, sch->schid, sch->devno,
701 ccw_dev->bus_id.valid ? "user-configured" : "auto-configured");
702
703 if (!kvm_eventfds_enabled()) {
704 dev->flags &= ~VIRTIO_CCW_FLAG_USE_IOEVENTFD;
705 }
706
707 if (k->realize) {
708 k->realize(dev, &err);
709 }
710 if (err) {
711 error_propagate(errp, err);
712 css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL);
713 ccw_dev->sch = NULL;
714 g_free(sch);
715 }
716 }
717
718 static int virtio_ccw_exit(VirtioCcwDevice *dev)
719 {
720 CcwDevice *ccw_dev = CCW_DEVICE(dev);
721 SubchDev *sch = ccw_dev->sch;
722
723 if (sch) {
724 css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL);
725 g_free(sch);
726 }
727 if (dev->indicators) {
728 release_indicator(&dev->routes.adapter, dev->indicators);
729 dev->indicators = NULL;
730 }
731 return 0;
732 }
733
734 static void virtio_ccw_net_realize(VirtioCcwDevice *ccw_dev, Error **errp)
735 {
736 DeviceState *qdev = DEVICE(ccw_dev);
737 VirtIONetCcw *dev = VIRTIO_NET_CCW(ccw_dev);
738 DeviceState *vdev = DEVICE(&dev->vdev);
739
740 virtio_net_set_netclient_name(&dev->vdev, qdev->id,
741 object_get_typename(OBJECT(qdev)));
742 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
743 object_property_set_bool(OBJECT(vdev), true, "realized", errp);
744 }
745
746 static void virtio_ccw_net_instance_init(Object *obj)
747 {
748 VirtIONetCcw *dev = VIRTIO_NET_CCW(obj);
749
750 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
751 TYPE_VIRTIO_NET);
752 object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
753 "bootindex", &error_abort);
754 }
755
756 static void virtio_ccw_blk_realize(VirtioCcwDevice *ccw_dev, Error **errp)
757 {
758 VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(ccw_dev);
759 DeviceState *vdev = DEVICE(&dev->vdev);
760
761 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
762 object_property_set_bool(OBJECT(vdev), true, "realized", errp);
763 }
764
765 static void virtio_ccw_blk_instance_init(Object *obj)
766 {
767 VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(obj);
768
769 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
770 TYPE_VIRTIO_BLK);
771 object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread",
772 &error_abort);
773 object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
774 "bootindex", &error_abort);
775 }
776
777 static void virtio_ccw_serial_realize(VirtioCcwDevice *ccw_dev, Error **errp)
778 {
779 VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev);
780 DeviceState *vdev = DEVICE(&dev->vdev);
781 DeviceState *proxy = DEVICE(ccw_dev);
782 char *bus_name;
783
784 /*
785 * For command line compatibility, this sets the virtio-serial-device bus
786 * name as before.
787 */
788 if (proxy->id) {
789 bus_name = g_strdup_printf("%s.0", proxy->id);
790 virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
791 g_free(bus_name);
792 }
793
794 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
795 object_property_set_bool(OBJECT(vdev), true, "realized", errp);
796 }
797
798
799 static void virtio_ccw_serial_instance_init(Object *obj)
800 {
801 VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj);
802
803 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
804 TYPE_VIRTIO_SERIAL);
805 }
806
807 static void virtio_ccw_balloon_realize(VirtioCcwDevice *ccw_dev, Error **errp)
808 {
809 VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(ccw_dev);
810 DeviceState *vdev = DEVICE(&dev->vdev);
811
812 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
813 object_property_set_bool(OBJECT(vdev), true, "realized", errp);
814 }
815
816 static void virtio_ccw_balloon_instance_init(Object *obj)
817 {
818 VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(obj);
819
820 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
821 TYPE_VIRTIO_BALLOON);
822 object_property_add_alias(obj, "guest-stats", OBJECT(&dev->vdev),
823 "guest-stats", &error_abort);
824 object_property_add_alias(obj, "guest-stats-polling-interval",
825 OBJECT(&dev->vdev),
826 "guest-stats-polling-interval", &error_abort);
827 }
828
829 static void virtio_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp)
830 {
831 VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(ccw_dev);
832 DeviceState *vdev = DEVICE(&dev->vdev);
833 DeviceState *qdev = DEVICE(ccw_dev);
834 char *bus_name;
835
836 /*
837 * For command line compatibility, this sets the virtio-scsi-device bus
838 * name as before.
839 */
840 if (qdev->id) {
841 bus_name = g_strdup_printf("%s.0", qdev->id);
842 virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
843 g_free(bus_name);
844 }
845
846 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
847 object_property_set_bool(OBJECT(vdev), true, "realized", errp);
848 }
849
850 static void virtio_ccw_scsi_instance_init(Object *obj)
851 {
852 VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(obj);
853
854 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
855 TYPE_VIRTIO_SCSI);
856 object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev), "iothread",
857 &error_abort);
858 }
859
860 #ifdef CONFIG_VHOST_SCSI
861 static void vhost_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp)
862 {
863 VHostSCSICcw *dev = VHOST_SCSI_CCW(ccw_dev);
864 DeviceState *vdev = DEVICE(&dev->vdev);
865
866 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
867 object_property_set_bool(OBJECT(vdev), true, "realized", errp);
868 }
869
870 static void vhost_ccw_scsi_instance_init(Object *obj)
871 {
872 VHostSCSICcw *dev = VHOST_SCSI_CCW(obj);
873
874 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
875 TYPE_VHOST_SCSI);
876 }
877 #endif
878
879 static void virtio_ccw_rng_realize(VirtioCcwDevice *ccw_dev, Error **errp)
880 {
881 VirtIORNGCcw *dev = VIRTIO_RNG_CCW(ccw_dev);
882 DeviceState *vdev = DEVICE(&dev->vdev);
883 Error *err = NULL;
884
885 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
886 object_property_set_bool(OBJECT(vdev), true, "realized", &err);
887 if (err) {
888 error_propagate(errp, err);
889 return;
890 }
891
892 object_property_set_link(OBJECT(dev),
893 OBJECT(dev->vdev.conf.rng), "rng",
894 NULL);
895 }
896
897 static void virtio_ccw_crypto_realize(VirtioCcwDevice *ccw_dev, Error **errp)
898 {
899 VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(ccw_dev);
900 DeviceState *vdev = DEVICE(&dev->vdev);
901 Error *err = NULL;
902
903 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
904 object_property_set_bool(OBJECT(vdev), true, "realized", &err);
905 if (err) {
906 error_propagate(errp, err);
907 return;
908 }
909
910 object_property_set_link(OBJECT(vdev),
911 OBJECT(dev->vdev.conf.cryptodev), "cryptodev",
912 NULL);
913 }
914
915 /* DeviceState to VirtioCcwDevice. Note: used on datapath,
916 * be careful and test performance if you change this.
917 */
918 static inline VirtioCcwDevice *to_virtio_ccw_dev_fast(DeviceState *d)
919 {
920 CcwDevice *ccw_dev = to_ccw_dev_fast(d);
921
922 return container_of(ccw_dev, VirtioCcwDevice, parent_obj);
923 }
924
925 static uint8_t virtio_set_ind_atomic(SubchDev *sch, uint64_t ind_loc,
926 uint8_t to_be_set)
927 {
928 uint8_t ind_old, ind_new;
929 hwaddr len = 1;
930 uint8_t *ind_addr;
931
932 ind_addr = cpu_physical_memory_map(ind_loc, &len, 1);
933 if (!ind_addr) {
934 error_report("%s(%x.%x.%04x): unable to access indicator",
935 __func__, sch->cssid, sch->ssid, sch->schid);
936 return -1;
937 }
938 do {
939 ind_old = *ind_addr;
940 ind_new = ind_old | to_be_set;
941 } while (atomic_cmpxchg(ind_addr, ind_old, ind_new) != ind_old);
942 trace_virtio_ccw_set_ind(ind_loc, ind_old, ind_new);
943 cpu_physical_memory_unmap(ind_addr, len, 1, len);
944
945 return ind_old;
946 }
947
948 static void virtio_ccw_notify(DeviceState *d, uint16_t vector)
949 {
950 VirtioCcwDevice *dev = to_virtio_ccw_dev_fast(d);
951 CcwDevice *ccw_dev = to_ccw_dev_fast(d);
952 SubchDev *sch = ccw_dev->sch;
953 uint64_t indicators;
954
955 /* queue indicators + secondary indicators */
956 if (vector >= VIRTIO_CCW_QUEUE_MAX + 64) {
957 return;
958 }
959
960 if (vector < VIRTIO_CCW_QUEUE_MAX) {
961 if (!dev->indicators) {
962 return;
963 }
964 if (sch->thinint_active) {
965 /*
966 * In the adapter interrupt case, indicators points to a
967 * memory area that may be (way) larger than 64 bit and
968 * ind_bit indicates the start of the indicators in a big
969 * endian notation.
970 */
971 uint64_t ind_bit = dev->routes.adapter.ind_offset;
972
973 virtio_set_ind_atomic(sch, dev->indicators->addr +
974 (ind_bit + vector) / 8,
975 0x80 >> ((ind_bit + vector) % 8));
976 if (!virtio_set_ind_atomic(sch, dev->summary_indicator->addr,
977 0x01)) {
978 css_adapter_interrupt(dev->thinint_isc);
979 }
980 } else {
981 indicators = address_space_ldq(&address_space_memory,
982 dev->indicators->addr,
983 MEMTXATTRS_UNSPECIFIED,
984 NULL);
985 indicators |= 1ULL << vector;
986 address_space_stq(&address_space_memory, dev->indicators->addr,
987 indicators, MEMTXATTRS_UNSPECIFIED, NULL);
988 css_conditional_io_interrupt(sch);
989 }
990 } else {
991 if (!dev->indicators2) {
992 return;
993 }
994 vector = 0;
995 indicators = address_space_ldq(&address_space_memory,
996 dev->indicators2->addr,
997 MEMTXATTRS_UNSPECIFIED,
998 NULL);
999 indicators |= 1ULL << vector;
1000 address_space_stq(&address_space_memory, dev->indicators2->addr,
1001 indicators, MEMTXATTRS_UNSPECIFIED, NULL);
1002 css_conditional_io_interrupt(sch);
1003 }
1004 }
1005
1006 static void virtio_ccw_reset(DeviceState *d)
1007 {
1008 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
1009 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
1010 CcwDevice *ccw_dev = CCW_DEVICE(d);
1011
1012 virtio_ccw_reset_virtio(dev, vdev);
1013 css_reset_sch(ccw_dev->sch);
1014 }
1015
1016 static void virtio_ccw_vmstate_change(DeviceState *d, bool running)
1017 {
1018 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
1019
1020 if (running) {
1021 virtio_ccw_start_ioeventfd(dev);
1022 } else {
1023 virtio_ccw_stop_ioeventfd(dev);
1024 }
1025 }
1026
1027 static bool virtio_ccw_query_guest_notifiers(DeviceState *d)
1028 {
1029 CcwDevice *dev = CCW_DEVICE(d);
1030
1031 return !!(dev->sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ENA);
1032 }
1033
1034 static int virtio_ccw_get_mappings(VirtioCcwDevice *dev)
1035 {
1036 int r;
1037 CcwDevice *ccw_dev = CCW_DEVICE(dev);
1038
1039 if (!ccw_dev->sch->thinint_active) {
1040 return -EINVAL;
1041 }
1042
1043 r = map_indicator(&dev->routes.adapter, dev->summary_indicator);
1044 if (r) {
1045 return r;
1046 }
1047 r = map_indicator(&dev->routes.adapter, dev->indicators);
1048 if (r) {
1049 return r;
1050 }
1051 dev->routes.adapter.summary_addr = dev->summary_indicator->map;
1052 dev->routes.adapter.ind_addr = dev->indicators->map;
1053
1054 return 0;
1055 }
1056
1057 static int virtio_ccw_setup_irqroutes(VirtioCcwDevice *dev, int nvqs)
1058 {
1059 int i;
1060 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
1061 int ret;
1062 S390FLICState *fs = s390_get_flic();
1063 S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs);
1064
1065 ret = virtio_ccw_get_mappings(dev);
1066 if (ret) {
1067 return ret;
1068 }
1069 for (i = 0; i < nvqs; i++) {
1070 if (!virtio_queue_get_num(vdev, i)) {
1071 break;
1072 }
1073 }
1074 dev->routes.num_routes = i;
1075 return fsc->add_adapter_routes(fs, &dev->routes);
1076 }
1077
1078 static void virtio_ccw_release_irqroutes(VirtioCcwDevice *dev, int nvqs)
1079 {
1080 S390FLICState *fs = s390_get_flic();
1081 S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs);
1082
1083 fsc->release_adapter_routes(fs, &dev->routes);
1084 }
1085
1086 static int virtio_ccw_add_irqfd(VirtioCcwDevice *dev, int n)
1087 {
1088 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
1089 VirtQueue *vq = virtio_get_queue(vdev, n);
1090 EventNotifier *notifier = virtio_queue_get_guest_notifier(vq);
1091
1092 return kvm_irqchip_add_irqfd_notifier_gsi(kvm_state, notifier, NULL,
1093 dev->routes.gsi[n]);
1094 }
1095
1096 static void virtio_ccw_remove_irqfd(VirtioCcwDevice *dev, int n)
1097 {
1098 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
1099 VirtQueue *vq = virtio_get_queue(vdev, n);
1100 EventNotifier *notifier = virtio_queue_get_guest_notifier(vq);
1101 int ret;
1102
1103 ret = kvm_irqchip_remove_irqfd_notifier_gsi(kvm_state, notifier,
1104 dev->routes.gsi[n]);
1105 assert(ret == 0);
1106 }
1107
1108 static int virtio_ccw_set_guest_notifier(VirtioCcwDevice *dev, int n,
1109 bool assign, bool with_irqfd)
1110 {
1111 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
1112 VirtQueue *vq = virtio_get_queue(vdev, n);
1113 EventNotifier *notifier = virtio_queue_get_guest_notifier(vq);
1114 VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev);
1115
1116 if (assign) {
1117 int r = event_notifier_init(notifier, 0);
1118
1119 if (r < 0) {
1120 return r;
1121 }
1122 virtio_queue_set_guest_notifier_fd_handler(vq, true, with_irqfd);
1123 if (with_irqfd) {
1124 r = virtio_ccw_add_irqfd(dev, n);
1125 if (r) {
1126 virtio_queue_set_guest_notifier_fd_handler(vq, false,
1127 with_irqfd);
1128 return r;
1129 }
1130 }
1131 /*
1132 * We do not support individual masking for channel devices, so we
1133 * need to manually trigger any guest masking callbacks here.
1134 */
1135 if (k->guest_notifier_mask && vdev->use_guest_notifier_mask) {
1136 k->guest_notifier_mask(vdev, n, false);
1137 }
1138 /* get lost events and re-inject */
1139 if (k->guest_notifier_pending &&
1140 k->guest_notifier_pending(vdev, n)) {
1141 event_notifier_set(notifier);
1142 }
1143 } else {
1144 if (k->guest_notifier_mask && vdev->use_guest_notifier_mask) {
1145 k->guest_notifier_mask(vdev, n, true);
1146 }
1147 if (with_irqfd) {
1148 virtio_ccw_remove_irqfd(dev, n);
1149 }
1150 virtio_queue_set_guest_notifier_fd_handler(vq, false, with_irqfd);
1151 event_notifier_cleanup(notifier);
1152 }
1153 return 0;
1154 }
1155
1156 static int virtio_ccw_set_guest_notifiers(DeviceState *d, int nvqs,
1157 bool assigned)
1158 {
1159 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
1160 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
1161 CcwDevice *ccw_dev = CCW_DEVICE(d);
1162 bool with_irqfd = ccw_dev->sch->thinint_active && kvm_irqfds_enabled();
1163 int r, n;
1164
1165 if (with_irqfd && assigned) {
1166 /* irq routes need to be set up before assigning irqfds */
1167 r = virtio_ccw_setup_irqroutes(dev, nvqs);
1168 if (r < 0) {
1169 goto irqroute_error;
1170 }
1171 }
1172 for (n = 0; n < nvqs; n++) {
1173 if (!virtio_queue_get_num(vdev, n)) {
1174 break;
1175 }
1176 r = virtio_ccw_set_guest_notifier(dev, n, assigned, with_irqfd);
1177 if (r < 0) {
1178 goto assign_error;
1179 }
1180 }
1181 if (with_irqfd && !assigned) {
1182 /* release irq routes after irqfds have been released */
1183 virtio_ccw_release_irqroutes(dev, nvqs);
1184 }
1185 return 0;
1186
1187 assign_error:
1188 while (--n >= 0) {
1189 virtio_ccw_set_guest_notifier(dev, n, !assigned, false);
1190 }
1191 irqroute_error:
1192 if (with_irqfd && assigned) {
1193 virtio_ccw_release_irqroutes(dev, nvqs);
1194 }
1195 return r;
1196 }
1197
1198 static void virtio_ccw_save_queue(DeviceState *d, int n, QEMUFile *f)
1199 {
1200 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
1201 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
1202
1203 qemu_put_be16(f, virtio_queue_vector(vdev, n));
1204 }
1205
1206 static int virtio_ccw_load_queue(DeviceState *d, int n, QEMUFile *f)
1207 {
1208 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
1209 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
1210 uint16_t vector;
1211
1212 qemu_get_be16s(f, &vector);
1213 virtio_queue_set_vector(vdev, n , vector);
1214
1215 return 0;
1216 }
1217
1218 static void virtio_ccw_save_config(DeviceState *d, QEMUFile *f)
1219 {
1220 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
1221 CcwDevice *ccw_dev = CCW_DEVICE(d);
1222 SubchDev *s = ccw_dev->sch;
1223 VirtIODevice *vdev = virtio_ccw_get_vdev(s);
1224
1225 subch_device_save(s, f);
1226 if (dev->indicators != NULL) {
1227 qemu_put_be32(f, dev->indicators->len);
1228 qemu_put_be64(f, dev->indicators->addr);
1229 } else {
1230 qemu_put_be32(f, 0);
1231 qemu_put_be64(f, 0UL);
1232 }
1233 if (dev->indicators2 != NULL) {
1234 qemu_put_be32(f, dev->indicators2->len);
1235 qemu_put_be64(f, dev->indicators2->addr);
1236 } else {
1237 qemu_put_be32(f, 0);
1238 qemu_put_be64(f, 0UL);
1239 }
1240 if (dev->summary_indicator != NULL) {
1241 qemu_put_be32(f, dev->summary_indicator->len);
1242 qemu_put_be64(f, dev->summary_indicator->addr);
1243 } else {
1244 qemu_put_be32(f, 0);
1245 qemu_put_be64(f, 0UL);
1246 }
1247 qemu_put_be16(f, vdev->config_vector);
1248 qemu_put_be64(f, dev->routes.adapter.ind_offset);
1249 qemu_put_byte(f, dev->thinint_isc);
1250 qemu_put_be32(f, dev->revision);
1251 }
1252
1253 static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f)
1254 {
1255 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
1256 CcwDevice *ccw_dev = CCW_DEVICE(d);
1257 SubchDev *s = ccw_dev->sch;
1258 VirtIODevice *vdev = virtio_ccw_get_vdev(s);
1259 int len;
1260
1261 s->driver_data = dev;
1262 subch_device_load(s, f);
1263 len = qemu_get_be32(f);
1264 if (len != 0) {
1265 dev->indicators = get_indicator(qemu_get_be64(f), len);
1266 } else {
1267 qemu_get_be64(f);
1268 dev->indicators = NULL;
1269 }
1270 len = qemu_get_be32(f);
1271 if (len != 0) {
1272 dev->indicators2 = get_indicator(qemu_get_be64(f), len);
1273 } else {
1274 qemu_get_be64(f);
1275 dev->indicators2 = NULL;
1276 }
1277 len = qemu_get_be32(f);
1278 if (len != 0) {
1279 dev->summary_indicator = get_indicator(qemu_get_be64(f), len);
1280 } else {
1281 qemu_get_be64(f);
1282 dev->summary_indicator = NULL;
1283 }
1284 qemu_get_be16s(f, &vdev->config_vector);
1285 dev->routes.adapter.ind_offset = qemu_get_be64(f);
1286 dev->thinint_isc = qemu_get_byte(f);
1287 dev->revision = qemu_get_be32(f);
1288 if (s->thinint_active) {
1289 return css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO,
1290 dev->thinint_isc, true, false,
1291 &dev->routes.adapter.adapter_id);
1292 }
1293
1294 return 0;
1295 }
1296
1297 static void virtio_ccw_pre_plugged(DeviceState *d, Error **errp)
1298 {
1299 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
1300 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
1301
1302 if (dev->max_rev >= 1) {
1303 virtio_add_feature(&vdev->host_features, VIRTIO_F_VERSION_1);
1304 }
1305 }
1306
1307 /* This is called by virtio-bus just after the device is plugged. */
1308 static void virtio_ccw_device_plugged(DeviceState *d, Error **errp)
1309 {
1310 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
1311 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
1312 CcwDevice *ccw_dev = CCW_DEVICE(d);
1313 SubchDev *sch = ccw_dev->sch;
1314 int n = virtio_get_num_queues(vdev);
1315
1316 if (!virtio_has_feature(vdev->host_features, VIRTIO_F_VERSION_1)) {
1317 dev->max_rev = 0;
1318 }
1319
1320 if (virtio_get_num_queues(vdev) > VIRTIO_CCW_QUEUE_MAX) {
1321 error_setg(errp, "The number of virtqueues %d "
1322 "exceeds ccw limit %d", n,
1323 VIRTIO_CCW_QUEUE_MAX);
1324 return;
1325 }
1326
1327 sch->id.cu_model = virtio_bus_get_vdev_id(&dev->bus);
1328
1329
1330 css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid,
1331 d->hotplugged, 1);
1332 }
1333
1334 static void virtio_ccw_device_unplugged(DeviceState *d)
1335 {
1336 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
1337
1338 virtio_ccw_stop_ioeventfd(dev);
1339 }
1340 /**************** Virtio-ccw Bus Device Descriptions *******************/
1341
1342 static Property virtio_ccw_net_properties[] = {
1343 DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
1344 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
1345 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
1346 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
1347 VIRTIO_CCW_MAX_REV),
1348 DEFINE_PROP_END_OF_LIST(),
1349 };
1350
1351 static void virtio_ccw_net_class_init(ObjectClass *klass, void *data)
1352 {
1353 DeviceClass *dc = DEVICE_CLASS(klass);
1354 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
1355
1356 k->realize = virtio_ccw_net_realize;
1357 k->exit = virtio_ccw_exit;
1358 dc->reset = virtio_ccw_reset;
1359 dc->props = virtio_ccw_net_properties;
1360 set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
1361 }
1362
1363 static const TypeInfo virtio_ccw_net = {
1364 .name = TYPE_VIRTIO_NET_CCW,
1365 .parent = TYPE_VIRTIO_CCW_DEVICE,
1366 .instance_size = sizeof(VirtIONetCcw),
1367 .instance_init = virtio_ccw_net_instance_init,
1368 .class_init = virtio_ccw_net_class_init,
1369 };
1370
1371 static Property virtio_ccw_blk_properties[] = {
1372 DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
1373 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
1374 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
1375 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
1376 VIRTIO_CCW_MAX_REV),
1377 DEFINE_PROP_END_OF_LIST(),
1378 };
1379
1380 static void virtio_ccw_blk_class_init(ObjectClass *klass, void *data)
1381 {
1382 DeviceClass *dc = DEVICE_CLASS(klass);
1383 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
1384
1385 k->realize = virtio_ccw_blk_realize;
1386 k->exit = virtio_ccw_exit;
1387 dc->reset = virtio_ccw_reset;
1388 dc->props = virtio_ccw_blk_properties;
1389 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
1390 }
1391
1392 static const TypeInfo virtio_ccw_blk = {
1393 .name = TYPE_VIRTIO_BLK_CCW,
1394 .parent = TYPE_VIRTIO_CCW_DEVICE,
1395 .instance_size = sizeof(VirtIOBlkCcw),
1396 .instance_init = virtio_ccw_blk_instance_init,
1397 .class_init = virtio_ccw_blk_class_init,
1398 };
1399
1400 static Property virtio_ccw_serial_properties[] = {
1401 DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
1402 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
1403 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
1404 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
1405 VIRTIO_CCW_MAX_REV),
1406 DEFINE_PROP_END_OF_LIST(),
1407 };
1408
1409 static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data)
1410 {
1411 DeviceClass *dc = DEVICE_CLASS(klass);
1412 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
1413
1414 k->realize = virtio_ccw_serial_realize;
1415 k->exit = virtio_ccw_exit;
1416 dc->reset = virtio_ccw_reset;
1417 dc->props = virtio_ccw_serial_properties;
1418 set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
1419 }
1420
1421 static const TypeInfo virtio_ccw_serial = {
1422 .name = TYPE_VIRTIO_SERIAL_CCW,
1423 .parent = TYPE_VIRTIO_CCW_DEVICE,
1424 .instance_size = sizeof(VirtioSerialCcw),
1425 .instance_init = virtio_ccw_serial_instance_init,
1426 .class_init = virtio_ccw_serial_class_init,
1427 };
1428
1429 static Property virtio_ccw_balloon_properties[] = {
1430 DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
1431 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
1432 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
1433 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
1434 VIRTIO_CCW_MAX_REV),
1435 DEFINE_PROP_END_OF_LIST(),
1436 };
1437
1438 static void virtio_ccw_balloon_class_init(ObjectClass *klass, void *data)
1439 {
1440 DeviceClass *dc = DEVICE_CLASS(klass);
1441 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
1442
1443 k->realize = virtio_ccw_balloon_realize;
1444 k->exit = virtio_ccw_exit;
1445 dc->reset = virtio_ccw_reset;
1446 dc->props = virtio_ccw_balloon_properties;
1447 set_bit(DEVICE_CATEGORY_MISC, dc->categories);
1448 }
1449
1450 static const TypeInfo virtio_ccw_balloon = {
1451 .name = TYPE_VIRTIO_BALLOON_CCW,
1452 .parent = TYPE_VIRTIO_CCW_DEVICE,
1453 .instance_size = sizeof(VirtIOBalloonCcw),
1454 .instance_init = virtio_ccw_balloon_instance_init,
1455 .class_init = virtio_ccw_balloon_class_init,
1456 };
1457
1458 static Property virtio_ccw_scsi_properties[] = {
1459 DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
1460 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
1461 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
1462 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
1463 VIRTIO_CCW_MAX_REV),
1464 DEFINE_PROP_END_OF_LIST(),
1465 };
1466
1467 static void virtio_ccw_scsi_class_init(ObjectClass *klass, void *data)
1468 {
1469 DeviceClass *dc = DEVICE_CLASS(klass);
1470 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
1471
1472 k->realize = virtio_ccw_scsi_realize;
1473 k->exit = virtio_ccw_exit;
1474 dc->reset = virtio_ccw_reset;
1475 dc->props = virtio_ccw_scsi_properties;
1476 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
1477 }
1478
1479 static const TypeInfo virtio_ccw_scsi = {
1480 .name = TYPE_VIRTIO_SCSI_CCW,
1481 .parent = TYPE_VIRTIO_CCW_DEVICE,
1482 .instance_size = sizeof(VirtIOSCSICcw),
1483 .instance_init = virtio_ccw_scsi_instance_init,
1484 .class_init = virtio_ccw_scsi_class_init,
1485 };
1486
1487 #ifdef CONFIG_VHOST_SCSI
1488 static Property vhost_ccw_scsi_properties[] = {
1489 DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
1490 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
1491 VIRTIO_CCW_MAX_REV),
1492 DEFINE_PROP_END_OF_LIST(),
1493 };
1494
1495 static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data)
1496 {
1497 DeviceClass *dc = DEVICE_CLASS(klass);
1498 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
1499
1500 k->realize = vhost_ccw_scsi_realize;
1501 k->exit = virtio_ccw_exit;
1502 dc->reset = virtio_ccw_reset;
1503 dc->props = vhost_ccw_scsi_properties;
1504 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
1505 }
1506
1507 static const TypeInfo vhost_ccw_scsi = {
1508 .name = TYPE_VHOST_SCSI_CCW,
1509 .parent = TYPE_VIRTIO_CCW_DEVICE,
1510 .instance_size = sizeof(VHostSCSICcw),
1511 .instance_init = vhost_ccw_scsi_instance_init,
1512 .class_init = vhost_ccw_scsi_class_init,
1513 };
1514 #endif
1515
1516 static void virtio_ccw_rng_instance_init(Object *obj)
1517 {
1518 VirtIORNGCcw *dev = VIRTIO_RNG_CCW(obj);
1519
1520 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
1521 TYPE_VIRTIO_RNG);
1522 object_property_add_alias(obj, "rng", OBJECT(&dev->vdev),
1523 "rng", &error_abort);
1524 }
1525
1526 static Property virtio_ccw_rng_properties[] = {
1527 DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
1528 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
1529 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
1530 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
1531 VIRTIO_CCW_MAX_REV),
1532 DEFINE_PROP_END_OF_LIST(),
1533 };
1534
1535 static void virtio_ccw_rng_class_init(ObjectClass *klass, void *data)
1536 {
1537 DeviceClass *dc = DEVICE_CLASS(klass);
1538 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
1539
1540 k->realize = virtio_ccw_rng_realize;
1541 k->exit = virtio_ccw_exit;
1542 dc->reset = virtio_ccw_reset;
1543 dc->props = virtio_ccw_rng_properties;
1544 set_bit(DEVICE_CATEGORY_MISC, dc->categories);
1545 }
1546
1547 static const TypeInfo virtio_ccw_rng = {
1548 .name = TYPE_VIRTIO_RNG_CCW,
1549 .parent = TYPE_VIRTIO_CCW_DEVICE,
1550 .instance_size = sizeof(VirtIORNGCcw),
1551 .instance_init = virtio_ccw_rng_instance_init,
1552 .class_init = virtio_ccw_rng_class_init,
1553 };
1554
1555 static Property virtio_ccw_crypto_properties[] = {
1556 DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
1557 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
1558 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
1559 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
1560 VIRTIO_CCW_MAX_REV),
1561 DEFINE_PROP_END_OF_LIST(),
1562 };
1563
1564 static void virtio_ccw_crypto_instance_init(Object *obj)
1565 {
1566 VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(obj);
1567 VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
1568
1569 ccw_dev->force_revision_1 = true;
1570 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
1571 TYPE_VIRTIO_CRYPTO);
1572
1573 object_property_add_alias(obj, "cryptodev", OBJECT(&dev->vdev),
1574 "cryptodev", &error_abort);
1575 }
1576
1577 static void virtio_ccw_crypto_class_init(ObjectClass *klass, void *data)
1578 {
1579 DeviceClass *dc = DEVICE_CLASS(klass);
1580 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
1581
1582 k->realize = virtio_ccw_crypto_realize;
1583 k->exit = virtio_ccw_exit;
1584 dc->reset = virtio_ccw_reset;
1585 dc->props = virtio_ccw_crypto_properties;
1586 set_bit(DEVICE_CATEGORY_MISC, dc->categories);
1587 }
1588
1589 static const TypeInfo virtio_ccw_crypto = {
1590 .name = TYPE_VIRTIO_CRYPTO_CCW,
1591 .parent = TYPE_VIRTIO_CCW_DEVICE,
1592 .instance_size = sizeof(VirtIOCryptoCcw),
1593 .instance_init = virtio_ccw_crypto_instance_init,
1594 .class_init = virtio_ccw_crypto_class_init,
1595 };
1596
1597 static void virtio_ccw_busdev_realize(DeviceState *dev, Error **errp)
1598 {
1599 VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev;
1600
1601 virtio_ccw_bus_new(&_dev->bus, sizeof(_dev->bus), _dev);
1602 virtio_ccw_device_realize(_dev, errp);
1603 }
1604
1605 static int virtio_ccw_busdev_exit(DeviceState *dev)
1606 {
1607 VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev;
1608 VirtIOCCWDeviceClass *_info = VIRTIO_CCW_DEVICE_GET_CLASS(dev);
1609
1610 return _info->exit(_dev);
1611 }
1612
1613 static void virtio_ccw_busdev_unplug(HotplugHandler *hotplug_dev,
1614 DeviceState *dev, Error **errp)
1615 {
1616 VirtioCcwDevice *_dev = to_virtio_ccw_dev_fast(dev);
1617
1618 virtio_ccw_stop_ioeventfd(_dev);
1619 }
1620
1621 static void virtio_ccw_device_class_init(ObjectClass *klass, void *data)
1622 {
1623 DeviceClass *dc = DEVICE_CLASS(klass);
1624 CCWDeviceClass *k = CCW_DEVICE_CLASS(dc);
1625
1626 k->unplug = virtio_ccw_busdev_unplug;
1627 dc->realize = virtio_ccw_busdev_realize;
1628 dc->exit = virtio_ccw_busdev_exit;
1629 dc->bus_type = TYPE_VIRTUAL_CSS_BUS;
1630 }
1631
1632 static const TypeInfo virtio_ccw_device_info = {
1633 .name = TYPE_VIRTIO_CCW_DEVICE,
1634 .parent = TYPE_CCW_DEVICE,
1635 .instance_size = sizeof(VirtioCcwDevice),
1636 .class_init = virtio_ccw_device_class_init,
1637 .class_size = sizeof(VirtIOCCWDeviceClass),
1638 .abstract = true,
1639 };
1640
1641 /* virtio-ccw-bus */
1642
1643 static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size,
1644 VirtioCcwDevice *dev)
1645 {
1646 DeviceState *qdev = DEVICE(dev);
1647 char virtio_bus_name[] = "virtio-bus";
1648
1649 qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_CCW_BUS,
1650 qdev, virtio_bus_name);
1651 }
1652
1653 static void virtio_ccw_bus_class_init(ObjectClass *klass, void *data)
1654 {
1655 VirtioBusClass *k = VIRTIO_BUS_CLASS(klass);
1656 BusClass *bus_class = BUS_CLASS(klass);
1657
1658 bus_class->max_dev = 1;
1659 k->notify = virtio_ccw_notify;
1660 k->vmstate_change = virtio_ccw_vmstate_change;
1661 k->query_guest_notifiers = virtio_ccw_query_guest_notifiers;
1662 k->set_guest_notifiers = virtio_ccw_set_guest_notifiers;
1663 k->save_queue = virtio_ccw_save_queue;
1664 k->load_queue = virtio_ccw_load_queue;
1665 k->save_config = virtio_ccw_save_config;
1666 k->load_config = virtio_ccw_load_config;
1667 k->pre_plugged = virtio_ccw_pre_plugged;
1668 k->device_plugged = virtio_ccw_device_plugged;
1669 k->device_unplugged = virtio_ccw_device_unplugged;
1670 k->ioeventfd_enabled = virtio_ccw_ioeventfd_enabled;
1671 k->ioeventfd_assign = virtio_ccw_ioeventfd_assign;
1672 }
1673
1674 static const TypeInfo virtio_ccw_bus_info = {
1675 .name = TYPE_VIRTIO_CCW_BUS,
1676 .parent = TYPE_VIRTIO_BUS,
1677 .instance_size = sizeof(VirtioCcwBusState),
1678 .class_init = virtio_ccw_bus_class_init,
1679 };
1680
1681 #ifdef CONFIG_VIRTFS
1682 static Property virtio_ccw_9p_properties[] = {
1683 DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
1684 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
1685 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
1686 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
1687 VIRTIO_CCW_MAX_REV),
1688 DEFINE_PROP_END_OF_LIST(),
1689 };
1690
1691 static void virtio_ccw_9p_realize(VirtioCcwDevice *ccw_dev, Error **errp)
1692 {
1693 V9fsCCWState *dev = VIRTIO_9P_CCW(ccw_dev);
1694 DeviceState *vdev = DEVICE(&dev->vdev);
1695
1696 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
1697 object_property_set_bool(OBJECT(vdev), true, "realized", errp);
1698 }
1699
1700 static void virtio_ccw_9p_class_init(ObjectClass *klass, void *data)
1701 {
1702 DeviceClass *dc = DEVICE_CLASS(klass);
1703 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
1704
1705 k->exit = virtio_ccw_exit;
1706 k->realize = virtio_ccw_9p_realize;
1707 dc->reset = virtio_ccw_reset;
1708 dc->props = virtio_ccw_9p_properties;
1709 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
1710 }
1711
1712 static void virtio_ccw_9p_instance_init(Object *obj)
1713 {
1714 V9fsCCWState *dev = VIRTIO_9P_CCW(obj);
1715
1716 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
1717 TYPE_VIRTIO_9P);
1718 }
1719
1720 static const TypeInfo virtio_ccw_9p_info = {
1721 .name = TYPE_VIRTIO_9P_CCW,
1722 .parent = TYPE_VIRTIO_CCW_DEVICE,
1723 .instance_size = sizeof(V9fsCCWState),
1724 .instance_init = virtio_ccw_9p_instance_init,
1725 .class_init = virtio_ccw_9p_class_init,
1726 };
1727 #endif
1728
1729 #ifdef CONFIG_VHOST_VSOCK
1730
1731 static Property vhost_vsock_ccw_properties[] = {
1732 DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
1733 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
1734 VIRTIO_CCW_MAX_REV),
1735 DEFINE_PROP_END_OF_LIST(),
1736 };
1737
1738 static void vhost_vsock_ccw_realize(VirtioCcwDevice *ccw_dev, Error **errp)
1739 {
1740 VHostVSockCCWState *dev = VHOST_VSOCK_CCW(ccw_dev);
1741 DeviceState *vdev = DEVICE(&dev->vdev);
1742 Error *err = NULL;
1743
1744 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
1745 object_property_set_bool(OBJECT(vdev), true, "realized", &err);
1746 if (err) {
1747 error_propagate(errp, err);
1748 }
1749 }
1750
1751 static void vhost_vsock_ccw_class_init(ObjectClass *klass, void *data)
1752 {
1753 DeviceClass *dc = DEVICE_CLASS(klass);
1754 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
1755
1756 k->realize = vhost_vsock_ccw_realize;
1757 k->exit = virtio_ccw_exit;
1758 set_bit(DEVICE_CATEGORY_MISC, dc->categories);
1759 dc->props = vhost_vsock_ccw_properties;
1760 dc->reset = virtio_ccw_reset;
1761 }
1762
1763 static void vhost_vsock_ccw_instance_init(Object *obj)
1764 {
1765 VHostVSockCCWState *dev = VHOST_VSOCK_CCW(obj);
1766
1767 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
1768 TYPE_VHOST_VSOCK);
1769 }
1770
1771 static const TypeInfo vhost_vsock_ccw_info = {
1772 .name = TYPE_VHOST_VSOCK_CCW,
1773 .parent = TYPE_VIRTIO_CCW_DEVICE,
1774 .instance_size = sizeof(VHostVSockCCWState),
1775 .instance_init = vhost_vsock_ccw_instance_init,
1776 .class_init = vhost_vsock_ccw_class_init,
1777 };
1778 #endif
1779
1780 static void virtio_ccw_register(void)
1781 {
1782 type_register_static(&virtio_ccw_bus_info);
1783 type_register_static(&virtio_ccw_device_info);
1784 type_register_static(&virtio_ccw_serial);
1785 type_register_static(&virtio_ccw_blk);
1786 type_register_static(&virtio_ccw_net);
1787 type_register_static(&virtio_ccw_balloon);
1788 type_register_static(&virtio_ccw_scsi);
1789 #ifdef CONFIG_VHOST_SCSI
1790 type_register_static(&vhost_ccw_scsi);
1791 #endif
1792 type_register_static(&virtio_ccw_rng);
1793 #ifdef CONFIG_VIRTFS
1794 type_register_static(&virtio_ccw_9p_info);
1795 #endif
1796 #ifdef CONFIG_VHOST_VSOCK
1797 type_register_static(&vhost_vsock_ccw_info);
1798 #endif
1799 type_register_static(&virtio_ccw_crypto);
1800 }
1801
1802 type_init(virtio_ccw_register)
QEmu