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 #define NR_CLASSIC_INDICATOR_BITS 64 39 40 static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size, 41 VirtioCcwDevice *dev); 42 43 VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch) 44 { 45 VirtIODevice *vdev = NULL; 46 VirtioCcwDevice *dev = sch->driver_data; 47 48 if (dev) { 49 vdev = virtio_bus_get_device(&dev->bus); 50 } 51 return vdev; 52 } 53 54 static void virtio_ccw_start_ioeventfd(VirtioCcwDevice *dev) 55 { 56 virtio_bus_start_ioeventfd(&dev->bus); 57 } 58 59 static void virtio_ccw_stop_ioeventfd(VirtioCcwDevice *dev) 60 { 61 virtio_bus_stop_ioeventfd(&dev->bus); 62 } 63 64 static bool virtio_ccw_ioeventfd_enabled(DeviceState *d) 65 { 66 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 67 68 return (dev->flags & VIRTIO_CCW_FLAG_USE_IOEVENTFD) != 0; 69 } 70 71 static int virtio_ccw_ioeventfd_assign(DeviceState *d, EventNotifier *notifier, 72 int n, bool assign) 73 { 74 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 75 CcwDevice *ccw_dev = CCW_DEVICE(dev); 76 SubchDev *sch = ccw_dev->sch; 77 uint32_t sch_id = (css_build_subchannel_id(sch) << 16) | sch->schid; 78 79 return s390_assign_subch_ioeventfd(notifier, sch_id, n, assign); 80 } 81 82 /* Communication blocks used by several channel commands. */ 83 typedef struct VqInfoBlockLegacy { 84 uint64_t queue; 85 uint32_t align; 86 uint16_t index; 87 uint16_t num; 88 } QEMU_PACKED VqInfoBlockLegacy; 89 90 typedef struct VqInfoBlock { 91 uint64_t desc; 92 uint32_t res0; 93 uint16_t index; 94 uint16_t num; 95 uint64_t avail; 96 uint64_t used; 97 } QEMU_PACKED VqInfoBlock; 98 99 typedef struct VqConfigBlock { 100 uint16_t index; 101 uint16_t num_max; 102 } QEMU_PACKED VqConfigBlock; 103 104 typedef struct VirtioFeatDesc { 105 uint32_t features; 106 uint8_t index; 107 } QEMU_PACKED VirtioFeatDesc; 108 109 typedef struct VirtioThinintInfo { 110 hwaddr summary_indicator; 111 hwaddr device_indicator; 112 uint64_t ind_bit; 113 uint8_t isc; 114 } QEMU_PACKED VirtioThinintInfo; 115 116 typedef struct VirtioRevInfo { 117 uint16_t revision; 118 uint16_t length; 119 uint8_t data[0]; 120 } QEMU_PACKED VirtioRevInfo; 121 122 /* Specify where the virtqueues for the subchannel are in guest memory. */ 123 static int virtio_ccw_set_vqs(SubchDev *sch, VqInfoBlock *info, 124 VqInfoBlockLegacy *linfo) 125 { 126 VirtIODevice *vdev = virtio_ccw_get_vdev(sch); 127 uint16_t index = info ? info->index : linfo->index; 128 uint16_t num = info ? info->num : linfo->num; 129 uint64_t desc = info ? info->desc : linfo->queue; 130 131 if (index >= VIRTIO_QUEUE_MAX) { 132 return -EINVAL; 133 } 134 135 /* Current code in virtio.c relies on 4K alignment. */ 136 if (linfo && desc && (linfo->align != 4096)) { 137 return -EINVAL; 138 } 139 140 if (!vdev) { 141 return -EINVAL; 142 } 143 144 if (info) { 145 virtio_queue_set_rings(vdev, index, desc, info->avail, info->used); 146 } else { 147 virtio_queue_set_addr(vdev, index, desc); 148 } 149 if (!desc) { 150 virtio_queue_set_vector(vdev, index, VIRTIO_NO_VECTOR); 151 } else { 152 if (info) { 153 /* virtio-1 allows changing the ring size. */ 154 if (virtio_queue_get_max_num(vdev, index) < num) { 155 /* Fail if we exceed the maximum number. */ 156 return -EINVAL; 157 } 158 virtio_queue_set_num(vdev, index, num); 159 } else if (virtio_queue_get_num(vdev, index) > num) { 160 /* Fail if we don't have a big enough queue. */ 161 return -EINVAL; 162 } 163 /* We ignore possible increased num for legacy for compatibility. */ 164 virtio_queue_set_vector(vdev, index, index); 165 } 166 /* tell notify handler in case of config change */ 167 vdev->config_vector = VIRTIO_QUEUE_MAX; 168 return 0; 169 } 170 171 static void virtio_ccw_reset_virtio(VirtioCcwDevice *dev, VirtIODevice *vdev) 172 { 173 CcwDevice *ccw_dev = CCW_DEVICE(dev); 174 175 virtio_ccw_stop_ioeventfd(dev); 176 virtio_reset(vdev); 177 if (dev->indicators) { 178 release_indicator(&dev->routes.adapter, dev->indicators); 179 dev->indicators = NULL; 180 } 181 if (dev->indicators2) { 182 release_indicator(&dev->routes.adapter, dev->indicators2); 183 dev->indicators2 = NULL; 184 } 185 if (dev->summary_indicator) { 186 release_indicator(&dev->routes.adapter, dev->summary_indicator); 187 dev->summary_indicator = NULL; 188 } 189 ccw_dev->sch->thinint_active = false; 190 } 191 192 static int virtio_ccw_handle_set_vq(SubchDev *sch, CCW1 ccw, bool check_len, 193 bool is_legacy) 194 { 195 int ret; 196 VqInfoBlock info; 197 VqInfoBlockLegacy linfo; 198 size_t info_len = is_legacy ? sizeof(linfo) : sizeof(info); 199 200 if (check_len) { 201 if (ccw.count != info_len) { 202 return -EINVAL; 203 } 204 } else if (ccw.count < info_len) { 205 /* Can't execute command. */ 206 return -EINVAL; 207 } 208 if (!ccw.cda) { 209 return -EFAULT; 210 } 211 if (is_legacy) { 212 linfo.queue = address_space_ldq_be(&address_space_memory, ccw.cda, 213 MEMTXATTRS_UNSPECIFIED, NULL); 214 linfo.align = address_space_ldl_be(&address_space_memory, 215 ccw.cda + sizeof(linfo.queue), 216 MEMTXATTRS_UNSPECIFIED, 217 NULL); 218 linfo.index = address_space_lduw_be(&address_space_memory, 219 ccw.cda + sizeof(linfo.queue) 220 + sizeof(linfo.align), 221 MEMTXATTRS_UNSPECIFIED, 222 NULL); 223 linfo.num = address_space_lduw_be(&address_space_memory, 224 ccw.cda + sizeof(linfo.queue) 225 + sizeof(linfo.align) 226 + sizeof(linfo.index), 227 MEMTXATTRS_UNSPECIFIED, 228 NULL); 229 ret = virtio_ccw_set_vqs(sch, NULL, &linfo); 230 } else { 231 info.desc = address_space_ldq_be(&address_space_memory, ccw.cda, 232 MEMTXATTRS_UNSPECIFIED, NULL); 233 info.index = address_space_lduw_be(&address_space_memory, 234 ccw.cda + sizeof(info.desc) 235 + sizeof(info.res0), 236 MEMTXATTRS_UNSPECIFIED, NULL); 237 info.num = address_space_lduw_be(&address_space_memory, 238 ccw.cda + sizeof(info.desc) 239 + sizeof(info.res0) 240 + sizeof(info.index), 241 MEMTXATTRS_UNSPECIFIED, NULL); 242 info.avail = address_space_ldq_be(&address_space_memory, 243 ccw.cda + sizeof(info.desc) 244 + sizeof(info.res0) 245 + sizeof(info.index) 246 + sizeof(info.num), 247 MEMTXATTRS_UNSPECIFIED, NULL); 248 info.used = address_space_ldq_be(&address_space_memory, 249 ccw.cda + sizeof(info.desc) 250 + sizeof(info.res0) 251 + sizeof(info.index) 252 + sizeof(info.num) 253 + sizeof(info.avail), 254 MEMTXATTRS_UNSPECIFIED, NULL); 255 ret = virtio_ccw_set_vqs(sch, &info, NULL); 256 } 257 sch->curr_status.scsw.count = 0; 258 return ret; 259 } 260 261 static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw) 262 { 263 int ret; 264 VirtioRevInfo revinfo; 265 uint8_t status; 266 VirtioFeatDesc features; 267 void *config; 268 hwaddr indicators; 269 VqConfigBlock vq_config; 270 VirtioCcwDevice *dev = sch->driver_data; 271 VirtIODevice *vdev = virtio_ccw_get_vdev(sch); 272 bool check_len; 273 int len; 274 hwaddr hw_len; 275 VirtioThinintInfo *thinint; 276 277 if (!dev) { 278 return -EINVAL; 279 } 280 281 trace_virtio_ccw_interpret_ccw(sch->cssid, sch->ssid, sch->schid, 282 ccw.cmd_code); 283 check_len = !((ccw.flags & CCW_FLAG_SLI) && !(ccw.flags & CCW_FLAG_DC)); 284 285 if (dev->force_revision_1 && dev->revision < 0 && 286 ccw.cmd_code != CCW_CMD_SET_VIRTIO_REV) { 287 /* 288 * virtio-1 drivers must start with negotiating to a revision >= 1, 289 * so post a command reject for all other commands 290 */ 291 return -ENOSYS; 292 } 293 294 /* Look at the command. */ 295 switch (ccw.cmd_code) { 296 case CCW_CMD_SET_VQ: 297 ret = virtio_ccw_handle_set_vq(sch, ccw, check_len, dev->revision < 1); 298 break; 299 case CCW_CMD_VDEV_RESET: 300 virtio_ccw_reset_virtio(dev, vdev); 301 ret = 0; 302 break; 303 case CCW_CMD_READ_FEAT: 304 if (check_len) { 305 if (ccw.count != sizeof(features)) { 306 ret = -EINVAL; 307 break; 308 } 309 } else if (ccw.count < sizeof(features)) { 310 /* Can't execute command. */ 311 ret = -EINVAL; 312 break; 313 } 314 if (!ccw.cda) { 315 ret = -EFAULT; 316 } else { 317 VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev); 318 319 features.index = address_space_ldub(&address_space_memory, 320 ccw.cda 321 + sizeof(features.features), 322 MEMTXATTRS_UNSPECIFIED, 323 NULL); 324 if (features.index == 0) { 325 if (dev->revision >= 1) { 326 /* Don't offer legacy features for modern devices. */ 327 features.features = (uint32_t) 328 (vdev->host_features & ~vdc->legacy_features); 329 } else { 330 features.features = (uint32_t)vdev->host_features; 331 } 332 } else if ((features.index == 1) && (dev->revision >= 1)) { 333 /* 334 * Only offer feature bits beyond 31 if the guest has 335 * negotiated at least revision 1. 336 */ 337 features.features = (uint32_t)(vdev->host_features >> 32); 338 } else { 339 /* Return zeroes if the guest supports more feature bits. */ 340 features.features = 0; 341 } 342 address_space_stl_le(&address_space_memory, ccw.cda, 343 features.features, MEMTXATTRS_UNSPECIFIED, 344 NULL); 345 sch->curr_status.scsw.count = ccw.count - sizeof(features); 346 ret = 0; 347 } 348 break; 349 case CCW_CMD_WRITE_FEAT: 350 if (check_len) { 351 if (ccw.count != sizeof(features)) { 352 ret = -EINVAL; 353 break; 354 } 355 } else if (ccw.count < sizeof(features)) { 356 /* Can't execute command. */ 357 ret = -EINVAL; 358 break; 359 } 360 if (!ccw.cda) { 361 ret = -EFAULT; 362 } else { 363 features.index = address_space_ldub(&address_space_memory, 364 ccw.cda 365 + sizeof(features.features), 366 MEMTXATTRS_UNSPECIFIED, 367 NULL); 368 features.features = address_space_ldl_le(&address_space_memory, 369 ccw.cda, 370 MEMTXATTRS_UNSPECIFIED, 371 NULL); 372 if (features.index == 0) { 373 virtio_set_features(vdev, 374 (vdev->guest_features & 0xffffffff00000000ULL) | 375 features.features); 376 } else if ((features.index == 1) && (dev->revision >= 1)) { 377 /* 378 * If the guest did not negotiate at least revision 1, 379 * we did not offer it any feature bits beyond 31. Such a 380 * guest passing us any bit here is therefore buggy. 381 */ 382 virtio_set_features(vdev, 383 (vdev->guest_features & 0x00000000ffffffffULL) | 384 ((uint64_t)features.features << 32)); 385 } else { 386 /* 387 * If the guest supports more feature bits, assert that it 388 * passes us zeroes for those we don't support. 389 */ 390 if (features.features) { 391 fprintf(stderr, "Guest bug: features[%i]=%x (expected 0)\n", 392 features.index, features.features); 393 /* XXX: do a unit check here? */ 394 } 395 } 396 sch->curr_status.scsw.count = ccw.count - sizeof(features); 397 ret = 0; 398 } 399 break; 400 case CCW_CMD_READ_CONF: 401 if (check_len) { 402 if (ccw.count > vdev->config_len) { 403 ret = -EINVAL; 404 break; 405 } 406 } 407 len = MIN(ccw.count, vdev->config_len); 408 if (!ccw.cda) { 409 ret = -EFAULT; 410 } else { 411 virtio_bus_get_vdev_config(&dev->bus, vdev->config); 412 /* XXX config space endianness */ 413 cpu_physical_memory_write(ccw.cda, vdev->config, len); 414 sch->curr_status.scsw.count = ccw.count - len; 415 ret = 0; 416 } 417 break; 418 case CCW_CMD_WRITE_CONF: 419 if (check_len) { 420 if (ccw.count > vdev->config_len) { 421 ret = -EINVAL; 422 break; 423 } 424 } 425 len = MIN(ccw.count, vdev->config_len); 426 hw_len = len; 427 if (!ccw.cda) { 428 ret = -EFAULT; 429 } else { 430 config = cpu_physical_memory_map(ccw.cda, &hw_len, 0); 431 if (!config) { 432 ret = -EFAULT; 433 } else { 434 len = hw_len; 435 /* XXX config space endianness */ 436 memcpy(vdev->config, config, len); 437 cpu_physical_memory_unmap(config, hw_len, 0, hw_len); 438 virtio_bus_set_vdev_config(&dev->bus, vdev->config); 439 sch->curr_status.scsw.count = ccw.count - len; 440 ret = 0; 441 } 442 } 443 break; 444 case CCW_CMD_READ_STATUS: 445 if (check_len) { 446 if (ccw.count != sizeof(status)) { 447 ret = -EINVAL; 448 break; 449 } 450 } else if (ccw.count < sizeof(status)) { 451 /* Can't execute command. */ 452 ret = -EINVAL; 453 break; 454 } 455 if (!ccw.cda) { 456 ret = -EFAULT; 457 } else { 458 address_space_stb(&address_space_memory, ccw.cda, vdev->status, 459 MEMTXATTRS_UNSPECIFIED, NULL); 460 sch->curr_status.scsw.count = ccw.count - sizeof(vdev->status);; 461 ret = 0; 462 } 463 break; 464 case CCW_CMD_WRITE_STATUS: 465 if (check_len) { 466 if (ccw.count != sizeof(status)) { 467 ret = -EINVAL; 468 break; 469 } 470 } else if (ccw.count < sizeof(status)) { 471 /* Can't execute command. */ 472 ret = -EINVAL; 473 break; 474 } 475 if (!ccw.cda) { 476 ret = -EFAULT; 477 } else { 478 status = address_space_ldub(&address_space_memory, ccw.cda, 479 MEMTXATTRS_UNSPECIFIED, NULL); 480 if (!(status & VIRTIO_CONFIG_S_DRIVER_OK)) { 481 virtio_ccw_stop_ioeventfd(dev); 482 } 483 if (virtio_set_status(vdev, status) == 0) { 484 if (vdev->status == 0) { 485 virtio_ccw_reset_virtio(dev, vdev); 486 } 487 if (status & VIRTIO_CONFIG_S_DRIVER_OK) { 488 virtio_ccw_start_ioeventfd(dev); 489 } 490 sch->curr_status.scsw.count = ccw.count - sizeof(status); 491 ret = 0; 492 } else { 493 /* Trigger a command reject. */ 494 ret = -ENOSYS; 495 } 496 } 497 break; 498 case CCW_CMD_SET_IND: 499 if (check_len) { 500 if (ccw.count != sizeof(indicators)) { 501 ret = -EINVAL; 502 break; 503 } 504 } else if (ccw.count < sizeof(indicators)) { 505 /* Can't execute command. */ 506 ret = -EINVAL; 507 break; 508 } 509 if (sch->thinint_active) { 510 /* Trigger a command reject. */ 511 ret = -ENOSYS; 512 break; 513 } 514 if (virtio_get_num_queues(vdev) > NR_CLASSIC_INDICATOR_BITS) { 515 /* More queues than indicator bits --> trigger a reject */ 516 ret = -ENOSYS; 517 break; 518 } 519 if (!ccw.cda) { 520 ret = -EFAULT; 521 } else { 522 indicators = address_space_ldq_be(&address_space_memory, ccw.cda, 523 MEMTXATTRS_UNSPECIFIED, NULL); 524 dev->indicators = get_indicator(indicators, sizeof(uint64_t)); 525 sch->curr_status.scsw.count = ccw.count - sizeof(indicators); 526 ret = 0; 527 } 528 break; 529 case CCW_CMD_SET_CONF_IND: 530 if (check_len) { 531 if (ccw.count != sizeof(indicators)) { 532 ret = -EINVAL; 533 break; 534 } 535 } else if (ccw.count < sizeof(indicators)) { 536 /* Can't execute command. */ 537 ret = -EINVAL; 538 break; 539 } 540 if (!ccw.cda) { 541 ret = -EFAULT; 542 } else { 543 indicators = address_space_ldq_be(&address_space_memory, ccw.cda, 544 MEMTXATTRS_UNSPECIFIED, NULL); 545 dev->indicators2 = get_indicator(indicators, sizeof(uint64_t)); 546 sch->curr_status.scsw.count = ccw.count - sizeof(indicators); 547 ret = 0; 548 } 549 break; 550 case CCW_CMD_READ_VQ_CONF: 551 if (check_len) { 552 if (ccw.count != sizeof(vq_config)) { 553 ret = -EINVAL; 554 break; 555 } 556 } else if (ccw.count < sizeof(vq_config)) { 557 /* Can't execute command. */ 558 ret = -EINVAL; 559 break; 560 } 561 if (!ccw.cda) { 562 ret = -EFAULT; 563 } else { 564 vq_config.index = address_space_lduw_be(&address_space_memory, 565 ccw.cda, 566 MEMTXATTRS_UNSPECIFIED, 567 NULL); 568 if (vq_config.index >= VIRTIO_QUEUE_MAX) { 569 ret = -EINVAL; 570 break; 571 } 572 vq_config.num_max = virtio_queue_get_num(vdev, 573 vq_config.index); 574 address_space_stw_be(&address_space_memory, 575 ccw.cda + sizeof(vq_config.index), 576 vq_config.num_max, 577 MEMTXATTRS_UNSPECIFIED, 578 NULL); 579 sch->curr_status.scsw.count = ccw.count - sizeof(vq_config); 580 ret = 0; 581 } 582 break; 583 case CCW_CMD_SET_IND_ADAPTER: 584 if (check_len) { 585 if (ccw.count != sizeof(*thinint)) { 586 ret = -EINVAL; 587 break; 588 } 589 } else if (ccw.count < sizeof(*thinint)) { 590 /* Can't execute command. */ 591 ret = -EINVAL; 592 break; 593 } 594 len = sizeof(*thinint); 595 hw_len = len; 596 if (!ccw.cda) { 597 ret = -EFAULT; 598 } else if (dev->indicators && !sch->thinint_active) { 599 /* Trigger a command reject. */ 600 ret = -ENOSYS; 601 } else { 602 thinint = cpu_physical_memory_map(ccw.cda, &hw_len, 0); 603 if (!thinint) { 604 ret = -EFAULT; 605 } else { 606 uint64_t ind_bit = ldq_be_p(&thinint->ind_bit); 607 608 len = hw_len; 609 dev->summary_indicator = 610 get_indicator(ldq_be_p(&thinint->summary_indicator), 611 sizeof(uint8_t)); 612 dev->indicators = 613 get_indicator(ldq_be_p(&thinint->device_indicator), 614 ind_bit / 8 + 1); 615 dev->thinint_isc = thinint->isc; 616 dev->routes.adapter.ind_offset = ind_bit; 617 dev->routes.adapter.summary_offset = 7; 618 cpu_physical_memory_unmap(thinint, hw_len, 0, hw_len); 619 dev->routes.adapter.adapter_id = css_get_adapter_id( 620 CSS_IO_ADAPTER_VIRTIO, 621 dev->thinint_isc); 622 sch->thinint_active = ((dev->indicators != NULL) && 623 (dev->summary_indicator != NULL)); 624 sch->curr_status.scsw.count = ccw.count - len; 625 ret = 0; 626 } 627 } 628 break; 629 case CCW_CMD_SET_VIRTIO_REV: 630 len = sizeof(revinfo); 631 if (ccw.count < len) { 632 ret = -EINVAL; 633 break; 634 } 635 if (!ccw.cda) { 636 ret = -EFAULT; 637 break; 638 } 639 revinfo.revision = 640 address_space_lduw_be(&address_space_memory, ccw.cda, 641 MEMTXATTRS_UNSPECIFIED, NULL); 642 revinfo.length = 643 address_space_lduw_be(&address_space_memory, 644 ccw.cda + sizeof(revinfo.revision), 645 MEMTXATTRS_UNSPECIFIED, NULL); 646 if (ccw.count < len + revinfo.length || 647 (check_len && ccw.count > len + revinfo.length)) { 648 ret = -EINVAL; 649 break; 650 } 651 /* 652 * Once we start to support revisions with additional data, we'll 653 * need to fetch it here. Nothing to do for now, though. 654 */ 655 if (dev->revision >= 0 || 656 revinfo.revision > virtio_ccw_rev_max(dev) || 657 (dev->force_revision_1 && !revinfo.revision)) { 658 ret = -ENOSYS; 659 break; 660 } 661 ret = 0; 662 dev->revision = revinfo.revision; 663 break; 664 default: 665 ret = -ENOSYS; 666 break; 667 } 668 return ret; 669 } 670 671 static void virtio_sch_disable_cb(SubchDev *sch) 672 { 673 VirtioCcwDevice *dev = sch->driver_data; 674 675 dev->revision = -1; 676 } 677 678 static void virtio_ccw_device_realize(VirtioCcwDevice *dev, Error **errp) 679 { 680 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_GET_CLASS(dev); 681 CcwDevice *ccw_dev = CCW_DEVICE(dev); 682 CCWDeviceClass *ck = CCW_DEVICE_GET_CLASS(ccw_dev); 683 SubchDev *sch = css_create_virtual_sch(ccw_dev->devno, errp); 684 Error *err = NULL; 685 686 if (!sch) { 687 return; 688 } 689 if (!virtio_ccw_rev_max(dev) && dev->force_revision_1) { 690 error_setg(&err, "Invalid value of property max_rev " 691 "(is %d expected >= 1)", virtio_ccw_rev_max(dev)); 692 goto out_err; 693 } 694 695 sch->driver_data = dev; 696 sch->ccw_cb = virtio_ccw_cb; 697 sch->disable_cb = virtio_sch_disable_cb; 698 sch->id.reserved = 0xff; 699 sch->id.cu_type = VIRTIO_CCW_CU_TYPE; 700 ccw_dev->sch = sch; 701 dev->indicators = NULL; 702 dev->revision = -1; 703 css_sch_build_virtual_schib(sch, 0, VIRTIO_CCW_CHPID_TYPE); 704 705 trace_virtio_ccw_new_device( 706 sch->cssid, sch->ssid, sch->schid, sch->devno, 707 ccw_dev->devno.valid ? "user-configured" : "auto-configured"); 708 709 if (!kvm_eventfds_enabled()) { 710 dev->flags &= ~VIRTIO_CCW_FLAG_USE_IOEVENTFD; 711 } 712 713 if (k->realize) { 714 k->realize(dev, &err); 715 if (err) { 716 goto out_err; 717 } 718 } 719 720 ck->realize(ccw_dev, &err); 721 if (err) { 722 goto out_err; 723 } 724 725 return; 726 727 out_err: 728 error_propagate(errp, err); 729 css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL); 730 ccw_dev->sch = NULL; 731 g_free(sch); 732 } 733 734 static int virtio_ccw_exit(VirtioCcwDevice *dev) 735 { 736 CcwDevice *ccw_dev = CCW_DEVICE(dev); 737 SubchDev *sch = ccw_dev->sch; 738 739 if (sch) { 740 css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL); 741 g_free(sch); 742 } 743 if (dev->indicators) { 744 release_indicator(&dev->routes.adapter, dev->indicators); 745 dev->indicators = NULL; 746 } 747 return 0; 748 } 749 750 static void virtio_ccw_net_realize(VirtioCcwDevice *ccw_dev, Error **errp) 751 { 752 DeviceState *qdev = DEVICE(ccw_dev); 753 VirtIONetCcw *dev = VIRTIO_NET_CCW(ccw_dev); 754 DeviceState *vdev = DEVICE(&dev->vdev); 755 756 virtio_net_set_netclient_name(&dev->vdev, qdev->id, 757 object_get_typename(OBJECT(qdev))); 758 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 759 object_property_set_bool(OBJECT(vdev), true, "realized", errp); 760 } 761 762 static void virtio_ccw_net_instance_init(Object *obj) 763 { 764 VirtIONetCcw *dev = VIRTIO_NET_CCW(obj); 765 766 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 767 TYPE_VIRTIO_NET); 768 object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), 769 "bootindex", &error_abort); 770 } 771 772 static void virtio_ccw_blk_realize(VirtioCcwDevice *ccw_dev, Error **errp) 773 { 774 VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(ccw_dev); 775 DeviceState *vdev = DEVICE(&dev->vdev); 776 777 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 778 object_property_set_bool(OBJECT(vdev), true, "realized", errp); 779 } 780 781 static void virtio_ccw_blk_instance_init(Object *obj) 782 { 783 VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(obj); 784 785 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 786 TYPE_VIRTIO_BLK); 787 object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread", 788 &error_abort); 789 object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), 790 "bootindex", &error_abort); 791 } 792 793 static void virtio_ccw_serial_realize(VirtioCcwDevice *ccw_dev, Error **errp) 794 { 795 VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev); 796 DeviceState *vdev = DEVICE(&dev->vdev); 797 DeviceState *proxy = DEVICE(ccw_dev); 798 char *bus_name; 799 800 /* 801 * For command line compatibility, this sets the virtio-serial-device bus 802 * name as before. 803 */ 804 if (proxy->id) { 805 bus_name = g_strdup_printf("%s.0", proxy->id); 806 virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); 807 g_free(bus_name); 808 } 809 810 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 811 object_property_set_bool(OBJECT(vdev), true, "realized", errp); 812 } 813 814 815 static void virtio_ccw_serial_instance_init(Object *obj) 816 { 817 VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj); 818 819 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 820 TYPE_VIRTIO_SERIAL); 821 } 822 823 static void virtio_ccw_balloon_realize(VirtioCcwDevice *ccw_dev, Error **errp) 824 { 825 VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(ccw_dev); 826 DeviceState *vdev = DEVICE(&dev->vdev); 827 828 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 829 object_property_set_bool(OBJECT(vdev), true, "realized", errp); 830 } 831 832 static void virtio_ccw_balloon_instance_init(Object *obj) 833 { 834 VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(obj); 835 836 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 837 TYPE_VIRTIO_BALLOON); 838 object_property_add_alias(obj, "guest-stats", OBJECT(&dev->vdev), 839 "guest-stats", &error_abort); 840 object_property_add_alias(obj, "guest-stats-polling-interval", 841 OBJECT(&dev->vdev), 842 "guest-stats-polling-interval", &error_abort); 843 } 844 845 static void virtio_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) 846 { 847 VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(ccw_dev); 848 DeviceState *vdev = DEVICE(&dev->vdev); 849 DeviceState *qdev = DEVICE(ccw_dev); 850 char *bus_name; 851 852 /* 853 * For command line compatibility, this sets the virtio-scsi-device bus 854 * name as before. 855 */ 856 if (qdev->id) { 857 bus_name = g_strdup_printf("%s.0", qdev->id); 858 virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); 859 g_free(bus_name); 860 } 861 862 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 863 object_property_set_bool(OBJECT(vdev), true, "realized", errp); 864 } 865 866 static void virtio_ccw_scsi_instance_init(Object *obj) 867 { 868 VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(obj); 869 870 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 871 TYPE_VIRTIO_SCSI); 872 object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev), "iothread", 873 &error_abort); 874 } 875 876 #ifdef CONFIG_VHOST_SCSI 877 static void vhost_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) 878 { 879 VHostSCSICcw *dev = VHOST_SCSI_CCW(ccw_dev); 880 DeviceState *vdev = DEVICE(&dev->vdev); 881 882 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 883 object_property_set_bool(OBJECT(vdev), true, "realized", errp); 884 } 885 886 static void vhost_ccw_scsi_instance_init(Object *obj) 887 { 888 VHostSCSICcw *dev = VHOST_SCSI_CCW(obj); 889 890 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 891 TYPE_VHOST_SCSI); 892 } 893 #endif 894 895 static void virtio_ccw_rng_realize(VirtioCcwDevice *ccw_dev, Error **errp) 896 { 897 VirtIORNGCcw *dev = VIRTIO_RNG_CCW(ccw_dev); 898 DeviceState *vdev = DEVICE(&dev->vdev); 899 Error *err = NULL; 900 901 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 902 object_property_set_bool(OBJECT(vdev), true, "realized", &err); 903 if (err) { 904 error_propagate(errp, err); 905 return; 906 } 907 908 object_property_set_link(OBJECT(dev), 909 OBJECT(dev->vdev.conf.rng), "rng", 910 NULL); 911 } 912 913 static void virtio_ccw_crypto_realize(VirtioCcwDevice *ccw_dev, Error **errp) 914 { 915 VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(ccw_dev); 916 DeviceState *vdev = DEVICE(&dev->vdev); 917 Error *err = NULL; 918 919 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 920 object_property_set_bool(OBJECT(vdev), true, "realized", &err); 921 if (err) { 922 error_propagate(errp, err); 923 return; 924 } 925 926 object_property_set_link(OBJECT(vdev), 927 OBJECT(dev->vdev.conf.cryptodev), "cryptodev", 928 NULL); 929 } 930 931 /* DeviceState to VirtioCcwDevice. Note: used on datapath, 932 * be careful and test performance if you change this. 933 */ 934 static inline VirtioCcwDevice *to_virtio_ccw_dev_fast(DeviceState *d) 935 { 936 CcwDevice *ccw_dev = to_ccw_dev_fast(d); 937 938 return container_of(ccw_dev, VirtioCcwDevice, parent_obj); 939 } 940 941 static uint8_t virtio_set_ind_atomic(SubchDev *sch, uint64_t ind_loc, 942 uint8_t to_be_set) 943 { 944 uint8_t ind_old, ind_new; 945 hwaddr len = 1; 946 uint8_t *ind_addr; 947 948 ind_addr = cpu_physical_memory_map(ind_loc, &len, 1); 949 if (!ind_addr) { 950 error_report("%s(%x.%x.%04x): unable to access indicator", 951 __func__, sch->cssid, sch->ssid, sch->schid); 952 return -1; 953 } 954 do { 955 ind_old = *ind_addr; 956 ind_new = ind_old | to_be_set; 957 } while (atomic_cmpxchg(ind_addr, ind_old, ind_new) != ind_old); 958 trace_virtio_ccw_set_ind(ind_loc, ind_old, ind_new); 959 cpu_physical_memory_unmap(ind_addr, len, 1, len); 960 961 return ind_old; 962 } 963 964 static void virtio_ccw_notify(DeviceState *d, uint16_t vector) 965 { 966 VirtioCcwDevice *dev = to_virtio_ccw_dev_fast(d); 967 CcwDevice *ccw_dev = to_ccw_dev_fast(d); 968 SubchDev *sch = ccw_dev->sch; 969 uint64_t indicators; 970 971 /* queue indicators + secondary indicators */ 972 if (vector >= VIRTIO_QUEUE_MAX + 64) { 973 return; 974 } 975 976 if (vector < VIRTIO_QUEUE_MAX) { 977 if (!dev->indicators) { 978 return; 979 } 980 if (sch->thinint_active) { 981 /* 982 * In the adapter interrupt case, indicators points to a 983 * memory area that may be (way) larger than 64 bit and 984 * ind_bit indicates the start of the indicators in a big 985 * endian notation. 986 */ 987 uint64_t ind_bit = dev->routes.adapter.ind_offset; 988 989 virtio_set_ind_atomic(sch, dev->indicators->addr + 990 (ind_bit + vector) / 8, 991 0x80 >> ((ind_bit + vector) % 8)); 992 if (!virtio_set_ind_atomic(sch, dev->summary_indicator->addr, 993 0x01)) { 994 css_adapter_interrupt(dev->thinint_isc); 995 } 996 } else { 997 indicators = address_space_ldq(&address_space_memory, 998 dev->indicators->addr, 999 MEMTXATTRS_UNSPECIFIED, 1000 NULL); 1001 indicators |= 1ULL << vector; 1002 address_space_stq(&address_space_memory, dev->indicators->addr, 1003 indicators, MEMTXATTRS_UNSPECIFIED, NULL); 1004 css_conditional_io_interrupt(sch); 1005 } 1006 } else { 1007 if (!dev->indicators2) { 1008 return; 1009 } 1010 vector = 0; 1011 indicators = address_space_ldq(&address_space_memory, 1012 dev->indicators2->addr, 1013 MEMTXATTRS_UNSPECIFIED, 1014 NULL); 1015 indicators |= 1ULL << vector; 1016 address_space_stq(&address_space_memory, dev->indicators2->addr, 1017 indicators, MEMTXATTRS_UNSPECIFIED, NULL); 1018 css_conditional_io_interrupt(sch); 1019 } 1020 } 1021 1022 static void virtio_ccw_reset(DeviceState *d) 1023 { 1024 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1025 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1026 CcwDevice *ccw_dev = CCW_DEVICE(d); 1027 1028 virtio_ccw_reset_virtio(dev, vdev); 1029 css_reset_sch(ccw_dev->sch); 1030 } 1031 1032 static void virtio_ccw_vmstate_change(DeviceState *d, bool running) 1033 { 1034 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1035 1036 if (running) { 1037 virtio_ccw_start_ioeventfd(dev); 1038 } else { 1039 virtio_ccw_stop_ioeventfd(dev); 1040 } 1041 } 1042 1043 static bool virtio_ccw_query_guest_notifiers(DeviceState *d) 1044 { 1045 CcwDevice *dev = CCW_DEVICE(d); 1046 1047 return !!(dev->sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ENA); 1048 } 1049 1050 static int virtio_ccw_get_mappings(VirtioCcwDevice *dev) 1051 { 1052 int r; 1053 CcwDevice *ccw_dev = CCW_DEVICE(dev); 1054 1055 if (!ccw_dev->sch->thinint_active) { 1056 return -EINVAL; 1057 } 1058 1059 r = map_indicator(&dev->routes.adapter, dev->summary_indicator); 1060 if (r) { 1061 return r; 1062 } 1063 r = map_indicator(&dev->routes.adapter, dev->indicators); 1064 if (r) { 1065 return r; 1066 } 1067 dev->routes.adapter.summary_addr = dev->summary_indicator->map; 1068 dev->routes.adapter.ind_addr = dev->indicators->map; 1069 1070 return 0; 1071 } 1072 1073 static int virtio_ccw_setup_irqroutes(VirtioCcwDevice *dev, int nvqs) 1074 { 1075 int i; 1076 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1077 int ret; 1078 S390FLICState *fs = s390_get_flic(); 1079 S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); 1080 1081 ret = virtio_ccw_get_mappings(dev); 1082 if (ret) { 1083 return ret; 1084 } 1085 for (i = 0; i < nvqs; i++) { 1086 if (!virtio_queue_get_num(vdev, i)) { 1087 break; 1088 } 1089 } 1090 dev->routes.num_routes = i; 1091 return fsc->add_adapter_routes(fs, &dev->routes); 1092 } 1093 1094 static void virtio_ccw_release_irqroutes(VirtioCcwDevice *dev, int nvqs) 1095 { 1096 S390FLICState *fs = s390_get_flic(); 1097 S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); 1098 1099 fsc->release_adapter_routes(fs, &dev->routes); 1100 } 1101 1102 static int virtio_ccw_add_irqfd(VirtioCcwDevice *dev, int n) 1103 { 1104 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1105 VirtQueue *vq = virtio_get_queue(vdev, n); 1106 EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1107 1108 return kvm_irqchip_add_irqfd_notifier_gsi(kvm_state, notifier, NULL, 1109 dev->routes.gsi[n]); 1110 } 1111 1112 static void virtio_ccw_remove_irqfd(VirtioCcwDevice *dev, int n) 1113 { 1114 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1115 VirtQueue *vq = virtio_get_queue(vdev, n); 1116 EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1117 int ret; 1118 1119 ret = kvm_irqchip_remove_irqfd_notifier_gsi(kvm_state, notifier, 1120 dev->routes.gsi[n]); 1121 assert(ret == 0); 1122 } 1123 1124 static int virtio_ccw_set_guest_notifier(VirtioCcwDevice *dev, int n, 1125 bool assign, bool with_irqfd) 1126 { 1127 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1128 VirtQueue *vq = virtio_get_queue(vdev, n); 1129 EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1130 VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev); 1131 1132 if (assign) { 1133 int r = event_notifier_init(notifier, 0); 1134 1135 if (r < 0) { 1136 return r; 1137 } 1138 virtio_queue_set_guest_notifier_fd_handler(vq, true, with_irqfd); 1139 if (with_irqfd) { 1140 r = virtio_ccw_add_irqfd(dev, n); 1141 if (r) { 1142 virtio_queue_set_guest_notifier_fd_handler(vq, false, 1143 with_irqfd); 1144 return r; 1145 } 1146 } 1147 /* 1148 * We do not support individual masking for channel devices, so we 1149 * need to manually trigger any guest masking callbacks here. 1150 */ 1151 if (k->guest_notifier_mask && vdev->use_guest_notifier_mask) { 1152 k->guest_notifier_mask(vdev, n, false); 1153 } 1154 /* get lost events and re-inject */ 1155 if (k->guest_notifier_pending && 1156 k->guest_notifier_pending(vdev, n)) { 1157 event_notifier_set(notifier); 1158 } 1159 } else { 1160 if (k->guest_notifier_mask && vdev->use_guest_notifier_mask) { 1161 k->guest_notifier_mask(vdev, n, true); 1162 } 1163 if (with_irqfd) { 1164 virtio_ccw_remove_irqfd(dev, n); 1165 } 1166 virtio_queue_set_guest_notifier_fd_handler(vq, false, with_irqfd); 1167 event_notifier_cleanup(notifier); 1168 } 1169 return 0; 1170 } 1171 1172 static int virtio_ccw_set_guest_notifiers(DeviceState *d, int nvqs, 1173 bool assigned) 1174 { 1175 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1176 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1177 CcwDevice *ccw_dev = CCW_DEVICE(d); 1178 bool with_irqfd = ccw_dev->sch->thinint_active && kvm_irqfds_enabled(); 1179 int r, n; 1180 1181 if (with_irqfd && assigned) { 1182 /* irq routes need to be set up before assigning irqfds */ 1183 r = virtio_ccw_setup_irqroutes(dev, nvqs); 1184 if (r < 0) { 1185 goto irqroute_error; 1186 } 1187 } 1188 for (n = 0; n < nvqs; n++) { 1189 if (!virtio_queue_get_num(vdev, n)) { 1190 break; 1191 } 1192 r = virtio_ccw_set_guest_notifier(dev, n, assigned, with_irqfd); 1193 if (r < 0) { 1194 goto assign_error; 1195 } 1196 } 1197 if (with_irqfd && !assigned) { 1198 /* release irq routes after irqfds have been released */ 1199 virtio_ccw_release_irqroutes(dev, nvqs); 1200 } 1201 return 0; 1202 1203 assign_error: 1204 while (--n >= 0) { 1205 virtio_ccw_set_guest_notifier(dev, n, !assigned, false); 1206 } 1207 irqroute_error: 1208 if (with_irqfd && assigned) { 1209 virtio_ccw_release_irqroutes(dev, nvqs); 1210 } 1211 return r; 1212 } 1213 1214 static void virtio_ccw_save_queue(DeviceState *d, int n, QEMUFile *f) 1215 { 1216 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1217 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1218 1219 qemu_put_be16(f, virtio_queue_vector(vdev, n)); 1220 } 1221 1222 static int virtio_ccw_load_queue(DeviceState *d, int n, QEMUFile *f) 1223 { 1224 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1225 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1226 uint16_t vector; 1227 1228 qemu_get_be16s(f, &vector); 1229 virtio_queue_set_vector(vdev, n , vector); 1230 1231 return 0; 1232 } 1233 1234 static void virtio_ccw_save_config(DeviceState *d, QEMUFile *f) 1235 { 1236 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1237 CcwDevice *ccw_dev = CCW_DEVICE(d); 1238 SubchDev *s = ccw_dev->sch; 1239 VirtIODevice *vdev = virtio_ccw_get_vdev(s); 1240 1241 subch_device_save(s, f); 1242 if (dev->indicators != NULL) { 1243 qemu_put_be32(f, dev->indicators->len); 1244 qemu_put_be64(f, dev->indicators->addr); 1245 } else { 1246 qemu_put_be32(f, 0); 1247 qemu_put_be64(f, 0UL); 1248 } 1249 if (dev->indicators2 != NULL) { 1250 qemu_put_be32(f, dev->indicators2->len); 1251 qemu_put_be64(f, dev->indicators2->addr); 1252 } else { 1253 qemu_put_be32(f, 0); 1254 qemu_put_be64(f, 0UL); 1255 } 1256 if (dev->summary_indicator != NULL) { 1257 qemu_put_be32(f, dev->summary_indicator->len); 1258 qemu_put_be64(f, dev->summary_indicator->addr); 1259 } else { 1260 qemu_put_be32(f, 0); 1261 qemu_put_be64(f, 0UL); 1262 } 1263 qemu_put_be16(f, vdev->config_vector); 1264 qemu_put_be64(f, dev->routes.adapter.ind_offset); 1265 qemu_put_byte(f, dev->thinint_isc); 1266 qemu_put_be32(f, dev->revision); 1267 } 1268 1269 static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f) 1270 { 1271 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1272 CcwDevice *ccw_dev = CCW_DEVICE(d); 1273 CCWDeviceClass *ck = CCW_DEVICE_GET_CLASS(ccw_dev); 1274 SubchDev *s = ccw_dev->sch; 1275 VirtIODevice *vdev = virtio_ccw_get_vdev(s); 1276 int len; 1277 1278 s->driver_data = dev; 1279 subch_device_load(s, f); 1280 /* Re-fill subch_id after loading the subchannel states.*/ 1281 if (ck->refill_ids) { 1282 ck->refill_ids(ccw_dev); 1283 } 1284 len = qemu_get_be32(f); 1285 if (len != 0) { 1286 dev->indicators = get_indicator(qemu_get_be64(f), len); 1287 } else { 1288 qemu_get_be64(f); 1289 dev->indicators = NULL; 1290 } 1291 len = qemu_get_be32(f); 1292 if (len != 0) { 1293 dev->indicators2 = get_indicator(qemu_get_be64(f), len); 1294 } else { 1295 qemu_get_be64(f); 1296 dev->indicators2 = NULL; 1297 } 1298 len = qemu_get_be32(f); 1299 if (len != 0) { 1300 dev->summary_indicator = get_indicator(qemu_get_be64(f), len); 1301 } else { 1302 qemu_get_be64(f); 1303 dev->summary_indicator = NULL; 1304 } 1305 qemu_get_be16s(f, &vdev->config_vector); 1306 dev->routes.adapter.ind_offset = qemu_get_be64(f); 1307 dev->thinint_isc = qemu_get_byte(f); 1308 dev->revision = qemu_get_be32(f); 1309 if (s->thinint_active) { 1310 dev->routes.adapter.adapter_id = css_get_adapter_id( 1311 CSS_IO_ADAPTER_VIRTIO, 1312 dev->thinint_isc); 1313 } 1314 1315 return 0; 1316 } 1317 1318 static void virtio_ccw_pre_plugged(DeviceState *d, Error **errp) 1319 { 1320 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1321 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1322 1323 if (dev->max_rev >= 1) { 1324 virtio_add_feature(&vdev->host_features, VIRTIO_F_VERSION_1); 1325 } 1326 } 1327 1328 /* This is called by virtio-bus just after the device is plugged. */ 1329 static void virtio_ccw_device_plugged(DeviceState *d, Error **errp) 1330 { 1331 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1332 VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1333 CcwDevice *ccw_dev = CCW_DEVICE(d); 1334 SubchDev *sch = ccw_dev->sch; 1335 int n = virtio_get_num_queues(vdev); 1336 S390FLICState *flic = s390_get_flic(); 1337 1338 if (!virtio_has_feature(vdev->host_features, VIRTIO_F_VERSION_1)) { 1339 dev->max_rev = 0; 1340 } 1341 1342 if (virtio_get_num_queues(vdev) > VIRTIO_QUEUE_MAX) { 1343 error_setg(errp, "The number of virtqueues %d " 1344 "exceeds virtio limit %d", n, 1345 VIRTIO_QUEUE_MAX); 1346 return; 1347 } 1348 if (virtio_get_num_queues(vdev) > flic->adapter_routes_max_batch) { 1349 error_setg(errp, "The number of virtqueues %d " 1350 "exceeds flic adapter route limit %d", n, 1351 flic->adapter_routes_max_batch); 1352 return; 1353 } 1354 1355 sch->id.cu_model = virtio_bus_get_vdev_id(&dev->bus); 1356 1357 1358 css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid, 1359 d->hotplugged, 1); 1360 } 1361 1362 static void virtio_ccw_device_unplugged(DeviceState *d) 1363 { 1364 VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1365 1366 virtio_ccw_stop_ioeventfd(dev); 1367 } 1368 /**************** Virtio-ccw Bus Device Descriptions *******************/ 1369 1370 static Property virtio_ccw_net_properties[] = { 1371 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1372 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1373 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1374 VIRTIO_CCW_MAX_REV), 1375 DEFINE_PROP_END_OF_LIST(), 1376 }; 1377 1378 static void virtio_ccw_net_class_init(ObjectClass *klass, void *data) 1379 { 1380 DeviceClass *dc = DEVICE_CLASS(klass); 1381 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1382 1383 k->realize = virtio_ccw_net_realize; 1384 k->exit = virtio_ccw_exit; 1385 dc->reset = virtio_ccw_reset; 1386 dc->props = virtio_ccw_net_properties; 1387 set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); 1388 } 1389 1390 static const TypeInfo virtio_ccw_net = { 1391 .name = TYPE_VIRTIO_NET_CCW, 1392 .parent = TYPE_VIRTIO_CCW_DEVICE, 1393 .instance_size = sizeof(VirtIONetCcw), 1394 .instance_init = virtio_ccw_net_instance_init, 1395 .class_init = virtio_ccw_net_class_init, 1396 }; 1397 1398 static Property virtio_ccw_blk_properties[] = { 1399 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1400 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1401 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1402 VIRTIO_CCW_MAX_REV), 1403 DEFINE_PROP_END_OF_LIST(), 1404 }; 1405 1406 static void virtio_ccw_blk_class_init(ObjectClass *klass, void *data) 1407 { 1408 DeviceClass *dc = DEVICE_CLASS(klass); 1409 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1410 1411 k->realize = virtio_ccw_blk_realize; 1412 k->exit = virtio_ccw_exit; 1413 dc->reset = virtio_ccw_reset; 1414 dc->props = virtio_ccw_blk_properties; 1415 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 1416 } 1417 1418 static const TypeInfo virtio_ccw_blk = { 1419 .name = TYPE_VIRTIO_BLK_CCW, 1420 .parent = TYPE_VIRTIO_CCW_DEVICE, 1421 .instance_size = sizeof(VirtIOBlkCcw), 1422 .instance_init = virtio_ccw_blk_instance_init, 1423 .class_init = virtio_ccw_blk_class_init, 1424 }; 1425 1426 static Property virtio_ccw_serial_properties[] = { 1427 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1428 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1429 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1430 VIRTIO_CCW_MAX_REV), 1431 DEFINE_PROP_END_OF_LIST(), 1432 }; 1433 1434 static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data) 1435 { 1436 DeviceClass *dc = DEVICE_CLASS(klass); 1437 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1438 1439 k->realize = virtio_ccw_serial_realize; 1440 k->exit = virtio_ccw_exit; 1441 dc->reset = virtio_ccw_reset; 1442 dc->props = virtio_ccw_serial_properties; 1443 set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 1444 } 1445 1446 static const TypeInfo virtio_ccw_serial = { 1447 .name = TYPE_VIRTIO_SERIAL_CCW, 1448 .parent = TYPE_VIRTIO_CCW_DEVICE, 1449 .instance_size = sizeof(VirtioSerialCcw), 1450 .instance_init = virtio_ccw_serial_instance_init, 1451 .class_init = virtio_ccw_serial_class_init, 1452 }; 1453 1454 static Property virtio_ccw_balloon_properties[] = { 1455 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1456 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1457 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1458 VIRTIO_CCW_MAX_REV), 1459 DEFINE_PROP_END_OF_LIST(), 1460 }; 1461 1462 static void virtio_ccw_balloon_class_init(ObjectClass *klass, void *data) 1463 { 1464 DeviceClass *dc = DEVICE_CLASS(klass); 1465 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1466 1467 k->realize = virtio_ccw_balloon_realize; 1468 k->exit = virtio_ccw_exit; 1469 dc->reset = virtio_ccw_reset; 1470 dc->props = virtio_ccw_balloon_properties; 1471 set_bit(DEVICE_CATEGORY_MISC, dc->categories); 1472 } 1473 1474 static const TypeInfo virtio_ccw_balloon = { 1475 .name = TYPE_VIRTIO_BALLOON_CCW, 1476 .parent = TYPE_VIRTIO_CCW_DEVICE, 1477 .instance_size = sizeof(VirtIOBalloonCcw), 1478 .instance_init = virtio_ccw_balloon_instance_init, 1479 .class_init = virtio_ccw_balloon_class_init, 1480 }; 1481 1482 static Property virtio_ccw_scsi_properties[] = { 1483 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1484 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1485 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1486 VIRTIO_CCW_MAX_REV), 1487 DEFINE_PROP_END_OF_LIST(), 1488 }; 1489 1490 static void virtio_ccw_scsi_class_init(ObjectClass *klass, void *data) 1491 { 1492 DeviceClass *dc = DEVICE_CLASS(klass); 1493 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1494 1495 k->realize = virtio_ccw_scsi_realize; 1496 k->exit = virtio_ccw_exit; 1497 dc->reset = virtio_ccw_reset; 1498 dc->props = virtio_ccw_scsi_properties; 1499 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 1500 } 1501 1502 static const TypeInfo virtio_ccw_scsi = { 1503 .name = TYPE_VIRTIO_SCSI_CCW, 1504 .parent = TYPE_VIRTIO_CCW_DEVICE, 1505 .instance_size = sizeof(VirtIOSCSICcw), 1506 .instance_init = virtio_ccw_scsi_instance_init, 1507 .class_init = virtio_ccw_scsi_class_init, 1508 }; 1509 1510 #ifdef CONFIG_VHOST_SCSI 1511 static Property vhost_ccw_scsi_properties[] = { 1512 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1513 VIRTIO_CCW_MAX_REV), 1514 DEFINE_PROP_END_OF_LIST(), 1515 }; 1516 1517 static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data) 1518 { 1519 DeviceClass *dc = DEVICE_CLASS(klass); 1520 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1521 1522 k->realize = vhost_ccw_scsi_realize; 1523 k->exit = virtio_ccw_exit; 1524 dc->reset = virtio_ccw_reset; 1525 dc->props = vhost_ccw_scsi_properties; 1526 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 1527 } 1528 1529 static const TypeInfo vhost_ccw_scsi = { 1530 .name = TYPE_VHOST_SCSI_CCW, 1531 .parent = TYPE_VIRTIO_CCW_DEVICE, 1532 .instance_size = sizeof(VHostSCSICcw), 1533 .instance_init = vhost_ccw_scsi_instance_init, 1534 .class_init = vhost_ccw_scsi_class_init, 1535 }; 1536 #endif 1537 1538 static void virtio_ccw_rng_instance_init(Object *obj) 1539 { 1540 VirtIORNGCcw *dev = VIRTIO_RNG_CCW(obj); 1541 1542 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 1543 TYPE_VIRTIO_RNG); 1544 object_property_add_alias(obj, "rng", OBJECT(&dev->vdev), 1545 "rng", &error_abort); 1546 } 1547 1548 static Property virtio_ccw_rng_properties[] = { 1549 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1550 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1551 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1552 VIRTIO_CCW_MAX_REV), 1553 DEFINE_PROP_END_OF_LIST(), 1554 }; 1555 1556 static void virtio_ccw_rng_class_init(ObjectClass *klass, void *data) 1557 { 1558 DeviceClass *dc = DEVICE_CLASS(klass); 1559 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1560 1561 k->realize = virtio_ccw_rng_realize; 1562 k->exit = virtio_ccw_exit; 1563 dc->reset = virtio_ccw_reset; 1564 dc->props = virtio_ccw_rng_properties; 1565 set_bit(DEVICE_CATEGORY_MISC, dc->categories); 1566 } 1567 1568 static const TypeInfo virtio_ccw_rng = { 1569 .name = TYPE_VIRTIO_RNG_CCW, 1570 .parent = TYPE_VIRTIO_CCW_DEVICE, 1571 .instance_size = sizeof(VirtIORNGCcw), 1572 .instance_init = virtio_ccw_rng_instance_init, 1573 .class_init = virtio_ccw_rng_class_init, 1574 }; 1575 1576 static Property virtio_ccw_crypto_properties[] = { 1577 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1578 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1579 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1580 VIRTIO_CCW_MAX_REV), 1581 DEFINE_PROP_END_OF_LIST(), 1582 }; 1583 1584 static void virtio_ccw_crypto_instance_init(Object *obj) 1585 { 1586 VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(obj); 1587 VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj); 1588 1589 ccw_dev->force_revision_1 = true; 1590 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 1591 TYPE_VIRTIO_CRYPTO); 1592 1593 object_property_add_alias(obj, "cryptodev", OBJECT(&dev->vdev), 1594 "cryptodev", &error_abort); 1595 } 1596 1597 static void virtio_ccw_crypto_class_init(ObjectClass *klass, void *data) 1598 { 1599 DeviceClass *dc = DEVICE_CLASS(klass); 1600 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1601 1602 k->realize = virtio_ccw_crypto_realize; 1603 k->exit = virtio_ccw_exit; 1604 dc->reset = virtio_ccw_reset; 1605 dc->props = virtio_ccw_crypto_properties; 1606 set_bit(DEVICE_CATEGORY_MISC, dc->categories); 1607 } 1608 1609 static const TypeInfo virtio_ccw_crypto = { 1610 .name = TYPE_VIRTIO_CRYPTO_CCW, 1611 .parent = TYPE_VIRTIO_CCW_DEVICE, 1612 .instance_size = sizeof(VirtIOCryptoCcw), 1613 .instance_init = virtio_ccw_crypto_instance_init, 1614 .class_init = virtio_ccw_crypto_class_init, 1615 }; 1616 1617 static void virtio_ccw_busdev_realize(DeviceState *dev, Error **errp) 1618 { 1619 VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; 1620 1621 virtio_ccw_bus_new(&_dev->bus, sizeof(_dev->bus), _dev); 1622 virtio_ccw_device_realize(_dev, errp); 1623 } 1624 1625 static int virtio_ccw_busdev_exit(DeviceState *dev) 1626 { 1627 VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; 1628 VirtIOCCWDeviceClass *_info = VIRTIO_CCW_DEVICE_GET_CLASS(dev); 1629 1630 return _info->exit(_dev); 1631 } 1632 1633 static void virtio_ccw_busdev_unplug(HotplugHandler *hotplug_dev, 1634 DeviceState *dev, Error **errp) 1635 { 1636 VirtioCcwDevice *_dev = to_virtio_ccw_dev_fast(dev); 1637 1638 virtio_ccw_stop_ioeventfd(_dev); 1639 } 1640 1641 static void virtio_ccw_device_class_init(ObjectClass *klass, void *data) 1642 { 1643 DeviceClass *dc = DEVICE_CLASS(klass); 1644 CCWDeviceClass *k = CCW_DEVICE_CLASS(dc); 1645 1646 k->unplug = virtio_ccw_busdev_unplug; 1647 dc->realize = virtio_ccw_busdev_realize; 1648 dc->exit = virtio_ccw_busdev_exit; 1649 dc->bus_type = TYPE_VIRTUAL_CSS_BUS; 1650 } 1651 1652 static const TypeInfo virtio_ccw_device_info = { 1653 .name = TYPE_VIRTIO_CCW_DEVICE, 1654 .parent = TYPE_CCW_DEVICE, 1655 .instance_size = sizeof(VirtioCcwDevice), 1656 .class_init = virtio_ccw_device_class_init, 1657 .class_size = sizeof(VirtIOCCWDeviceClass), 1658 .abstract = true, 1659 }; 1660 1661 /* virtio-ccw-bus */ 1662 1663 static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size, 1664 VirtioCcwDevice *dev) 1665 { 1666 DeviceState *qdev = DEVICE(dev); 1667 char virtio_bus_name[] = "virtio-bus"; 1668 1669 qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_CCW_BUS, 1670 qdev, virtio_bus_name); 1671 } 1672 1673 static void virtio_ccw_bus_class_init(ObjectClass *klass, void *data) 1674 { 1675 VirtioBusClass *k = VIRTIO_BUS_CLASS(klass); 1676 BusClass *bus_class = BUS_CLASS(klass); 1677 1678 bus_class->max_dev = 1; 1679 k->notify = virtio_ccw_notify; 1680 k->vmstate_change = virtio_ccw_vmstate_change; 1681 k->query_guest_notifiers = virtio_ccw_query_guest_notifiers; 1682 k->set_guest_notifiers = virtio_ccw_set_guest_notifiers; 1683 k->save_queue = virtio_ccw_save_queue; 1684 k->load_queue = virtio_ccw_load_queue; 1685 k->save_config = virtio_ccw_save_config; 1686 k->load_config = virtio_ccw_load_config; 1687 k->pre_plugged = virtio_ccw_pre_plugged; 1688 k->device_plugged = virtio_ccw_device_plugged; 1689 k->device_unplugged = virtio_ccw_device_unplugged; 1690 k->ioeventfd_enabled = virtio_ccw_ioeventfd_enabled; 1691 k->ioeventfd_assign = virtio_ccw_ioeventfd_assign; 1692 } 1693 1694 static const TypeInfo virtio_ccw_bus_info = { 1695 .name = TYPE_VIRTIO_CCW_BUS, 1696 .parent = TYPE_VIRTIO_BUS, 1697 .instance_size = sizeof(VirtioCcwBusState), 1698 .class_init = virtio_ccw_bus_class_init, 1699 }; 1700 1701 #ifdef CONFIG_VIRTFS 1702 static Property virtio_ccw_9p_properties[] = { 1703 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1704 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1705 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1706 VIRTIO_CCW_MAX_REV), 1707 DEFINE_PROP_END_OF_LIST(), 1708 }; 1709 1710 static void virtio_ccw_9p_realize(VirtioCcwDevice *ccw_dev, Error **errp) 1711 { 1712 V9fsCCWState *dev = VIRTIO_9P_CCW(ccw_dev); 1713 DeviceState *vdev = DEVICE(&dev->vdev); 1714 1715 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 1716 object_property_set_bool(OBJECT(vdev), true, "realized", errp); 1717 } 1718 1719 static void virtio_ccw_9p_class_init(ObjectClass *klass, void *data) 1720 { 1721 DeviceClass *dc = DEVICE_CLASS(klass); 1722 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1723 1724 k->exit = virtio_ccw_exit; 1725 k->realize = virtio_ccw_9p_realize; 1726 dc->reset = virtio_ccw_reset; 1727 dc->props = virtio_ccw_9p_properties; 1728 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 1729 } 1730 1731 static void virtio_ccw_9p_instance_init(Object *obj) 1732 { 1733 V9fsCCWState *dev = VIRTIO_9P_CCW(obj); 1734 1735 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 1736 TYPE_VIRTIO_9P); 1737 } 1738 1739 static const TypeInfo virtio_ccw_9p_info = { 1740 .name = TYPE_VIRTIO_9P_CCW, 1741 .parent = TYPE_VIRTIO_CCW_DEVICE, 1742 .instance_size = sizeof(V9fsCCWState), 1743 .instance_init = virtio_ccw_9p_instance_init, 1744 .class_init = virtio_ccw_9p_class_init, 1745 }; 1746 #endif 1747 1748 #ifdef CONFIG_VHOST_VSOCK 1749 1750 static Property vhost_vsock_ccw_properties[] = { 1751 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1752 VIRTIO_CCW_MAX_REV), 1753 DEFINE_PROP_END_OF_LIST(), 1754 }; 1755 1756 static void vhost_vsock_ccw_realize(VirtioCcwDevice *ccw_dev, Error **errp) 1757 { 1758 VHostVSockCCWState *dev = VHOST_VSOCK_CCW(ccw_dev); 1759 DeviceState *vdev = DEVICE(&dev->vdev); 1760 Error *err = NULL; 1761 1762 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 1763 object_property_set_bool(OBJECT(vdev), true, "realized", &err); 1764 error_propagate(errp, err); 1765 } 1766 1767 static void vhost_vsock_ccw_class_init(ObjectClass *klass, void *data) 1768 { 1769 DeviceClass *dc = DEVICE_CLASS(klass); 1770 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1771 1772 k->realize = vhost_vsock_ccw_realize; 1773 k->exit = virtio_ccw_exit; 1774 set_bit(DEVICE_CATEGORY_MISC, dc->categories); 1775 dc->props = vhost_vsock_ccw_properties; 1776 dc->reset = virtio_ccw_reset; 1777 } 1778 1779 static void vhost_vsock_ccw_instance_init(Object *obj) 1780 { 1781 VHostVSockCCWState *dev = VHOST_VSOCK_CCW(obj); 1782 1783 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 1784 TYPE_VHOST_VSOCK); 1785 } 1786 1787 static const TypeInfo vhost_vsock_ccw_info = { 1788 .name = TYPE_VHOST_VSOCK_CCW, 1789 .parent = TYPE_VIRTIO_CCW_DEVICE, 1790 .instance_size = sizeof(VHostVSockCCWState), 1791 .instance_init = vhost_vsock_ccw_instance_init, 1792 .class_init = vhost_vsock_ccw_class_init, 1793 }; 1794 #endif 1795 1796 static void virtio_ccw_register(void) 1797 { 1798 type_register_static(&virtio_ccw_bus_info); 1799 type_register_static(&virtio_ccw_device_info); 1800 type_register_static(&virtio_ccw_serial); 1801 type_register_static(&virtio_ccw_blk); 1802 type_register_static(&virtio_ccw_net); 1803 type_register_static(&virtio_ccw_balloon); 1804 type_register_static(&virtio_ccw_scsi); 1805 #ifdef CONFIG_VHOST_SCSI 1806 type_register_static(&vhost_ccw_scsi); 1807 #endif 1808 type_register_static(&virtio_ccw_rng); 1809 #ifdef CONFIG_VIRTFS 1810 type_register_static(&virtio_ccw_9p_info); 1811 #endif 1812 #ifdef CONFIG_VHOST_VSOCK 1813 type_register_static(&vhost_vsock_ccw_info); 1814 #endif 1815 type_register_static(&virtio_ccw_crypto); 1816 } 1817 1818 type_init(virtio_ccw_register) 1819