hw/s390x/ipl.c

   1 /*
   2  * bootloader support
   3  *
   4  * Copyright IBM, Corp. 2012
   5  *
   6  * Authors:
   7  *  Christian Borntraeger <borntraeger@de.ibm.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or (at your
  10  * option) any later version.  See the COPYING file in the top-level directory.
  11  *
  12  */
  13
  14 #include "qemu/osdep.h"
  15 #include "qapi/error.h"
  16 #include "sysemu/sysemu.h"
  17 #include "cpu.h"
  18 #include "elf.h"
  19 #include "hw/loader.h"
  20 #include "hw/boards.h"
  21 #include "hw/s390x/virtio-ccw.h"
  22 #include "hw/s390x/css.h"
  23 #include "hw/s390x/ebcdic.h"
  24 #include "ipl.h"
  25 #include "qemu/error-report.h"
  26 #include "qemu/config-file.h"
  27 #include "qemu/cutils.h"
  28 #include "qemu/option.h"
  29 #include "exec/exec-all.h"
  30
  31 #define KERN_IMAGE_START                0x010000UL
  32 #define KERN_PARM_AREA                  0x010480UL
  33 #define INITRD_START                    0x800000UL
  34 #define INITRD_PARM_START               0x010408UL
  35 #define INITRD_PARM_SIZE                0x010410UL
  36 #define PARMFILE_START                  0x001000UL
  37 #define ZIPL_IMAGE_START                0x009000UL
  38 #define IPL_PSW_MASK                    (PSW_MASK_32 | PSW_MASK_64)
  39
  40 static bool iplb_extended_needed(void *opaque)
  41 {
  42     S390IPLState *ipl = S390_IPL(object_resolve_path(TYPE_S390_IPL, NULL));
  43
  44     return ipl->iplbext_migration;
  45 }
  46
  47 static const VMStateDescription vmstate_iplb_extended = {
  48     .name = "ipl/iplb_extended",
  49     .version_id = 0,
  50     .minimum_version_id = 0,
  51     .needed = iplb_extended_needed,
  52     .fields = (VMStateField[]) {
  53         VMSTATE_UINT8_ARRAY(reserved_ext, IplParameterBlock, 4096 - 200),
  54         VMSTATE_END_OF_LIST()
  55     }
  56 };
  57
  58 static const VMStateDescription vmstate_iplb = {
  59     .name = "ipl/iplb",
  60     .version_id = 0,
  61     .minimum_version_id = 0,
  62     .fields = (VMStateField[]) {
  63         VMSTATE_UINT8_ARRAY(reserved1, IplParameterBlock, 110),
  64         VMSTATE_UINT16(devno, IplParameterBlock),
  65         VMSTATE_UINT8_ARRAY(reserved2, IplParameterBlock, 88),
  66         VMSTATE_END_OF_LIST()
  67     },
  68     .subsections = (const VMStateDescription*[]) {
  69         &vmstate_iplb_extended,
  70         NULL
  71     }
  72 };
  73
  74 static const VMStateDescription vmstate_ipl = {
  75     .name = "ipl",
  76     .version_id = 0,
  77     .minimum_version_id = 0,
  78     .fields = (VMStateField[]) {
  79         VMSTATE_UINT64(compat_start_addr, S390IPLState),
  80         VMSTATE_UINT64(compat_bios_start_addr, S390IPLState),
  81         VMSTATE_STRUCT(iplb, S390IPLState, 0, vmstate_iplb, IplParameterBlock),
  82         VMSTATE_BOOL(iplb_valid, S390IPLState),
  83         VMSTATE_UINT8(cssid, S390IPLState),
  84         VMSTATE_UINT8(ssid, S390IPLState),
  85         VMSTATE_UINT16(devno, S390IPLState),
  86         VMSTATE_END_OF_LIST()
  87      }
  88 };
  89
  90 static S390IPLState *get_ipl_device(void)
  91 {
  92     return S390_IPL(object_resolve_path_type("", TYPE_S390_IPL, NULL));
  93 }
  94
  95 static uint64_t bios_translate_addr(void *opaque, uint64_t srcaddr)
  96 {
  97     uint64_t dstaddr = *(uint64_t *) opaque;
  98     /*
  99      * Assuming that our s390-ccw.img was linked for starting at address 0,
 100      * we can simply add the destination address for the final location
 101      */
 102     return srcaddr + dstaddr;
 103 }
 104
 105 static void s390_ipl_realize(DeviceState *dev, Error **errp)
 106 {
 107     S390IPLState *ipl = S390_IPL(dev);
 108     uint64_t pentry = KERN_IMAGE_START;
 109     int kernel_size;
 110     Error *err = NULL;
 111
 112     int bios_size;
 113     char *bios_filename;
 114
 115     /*
 116      * Always load the bios if it was enforced,
 117      * even if an external kernel has been defined.
 118      */
 119     if (!ipl->kernel || ipl->enforce_bios) {
 120         uint64_t fwbase = (MIN(ram_size, 0x80000000U) - 0x200000) & ~0xffffUL;
 121
 122         if (bios_name == NULL) {
 123             bios_name = ipl->firmware;
 124         }
 125
 126         bios_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
 127         if (bios_filename == NULL) {
 128             error_setg(&err, "could not find stage1 bootloader");
 129             goto error;
 130         }
 131
 132         bios_size = load_elf(bios_filename, bios_translate_addr, &fwbase,
 133                              &ipl->bios_start_addr, NULL, NULL, 1,
 134                              EM_S390, 0, 0);
 135         if (bios_size > 0) {
 136             /* Adjust ELF start address to final location */
 137             ipl->bios_start_addr += fwbase;
 138         } else {
 139             /* Try to load non-ELF file */
 140             bios_size = load_image_targphys(bios_filename, ZIPL_IMAGE_START,
 141                                             4096);
 142             ipl->bios_start_addr = ZIPL_IMAGE_START;
 143         }
 144         g_free(bios_filename);
 145
 146         if (bios_size == -1) {
 147             error_setg(&err, "could not load bootloader '%s'", bios_name);
 148             goto error;
 149         }
 150
 151         /* default boot target is the bios */
 152         ipl->start_addr = ipl->bios_start_addr;
 153     }
 154
 155     if (ipl->kernel) {
 156         kernel_size = load_elf(ipl->kernel, NULL, NULL, &pentry, NULL,
 157                                NULL, 1, EM_S390, 0, 0);
 158         if (kernel_size < 0) {
 159             kernel_size = load_image_targphys(ipl->kernel, 0, ram_size);
 160         }
 161         if (kernel_size < 0) {
 162             error_setg(&err, "could not load kernel '%s'", ipl->kernel);
 163             goto error;
 164         }
 165         /*
 166          * Is it a Linux kernel (starting at 0x10000)? If yes, we fill in the
 167          * kernel parameters here as well. Note: For old kernels (up to 3.2)
 168          * we can not rely on the ELF entry point - it was 0x800 (the SALIPL
 169          * loader) and it won't work. For this case we force it to 0x10000, too.
 170          */
 171         if (pentry == KERN_IMAGE_START || pentry == 0x800) {
 172             ipl->start_addr = KERN_IMAGE_START;
 173             /* Overwrite parameters in the kernel image, which are "rom" */
 174             strcpy(rom_ptr(KERN_PARM_AREA), ipl->cmdline);
 175         } else {
 176             ipl->start_addr = pentry;
 177         }
 178
 179         if (ipl->initrd) {
 180             ram_addr_t initrd_offset;
 181             int initrd_size;
 182
 183             initrd_offset = INITRD_START;
 184             while (kernel_size + 0x100000 > initrd_offset) {
 185                 initrd_offset += 0x100000;
 186             }
 187             initrd_size = load_image_targphys(ipl->initrd, initrd_offset,
 188                                               ram_size - initrd_offset);
 189             if (initrd_size == -1) {
 190                 error_setg(&err, "could not load initrd '%s'", ipl->initrd);
 191                 goto error;
 192             }
 193
 194             /*
 195              * we have to overwrite values in the kernel image,
 196              * which are "rom"
 197              */
 198             stq_p(rom_ptr(INITRD_PARM_START), initrd_offset);
 199             stq_p(rom_ptr(INITRD_PARM_SIZE), initrd_size);
 200         }
 201     }
 202     /*
 203      * Don't ever use the migrated values, they could come from a different
 204      * BIOS and therefore don't work. But still migrate the values, so
 205      * QEMUs relying on it don't break.
 206      */
 207     ipl->compat_start_addr = ipl->start_addr;
 208     ipl->compat_bios_start_addr = ipl->bios_start_addr;
 209     qemu_register_reset(qdev_reset_all_fn, dev);
 210 error:
 211     error_propagate(errp, err);
 212 }
 213
 214 static Property s390_ipl_properties[] = {
 215     DEFINE_PROP_STRING("kernel", S390IPLState, kernel),
 216     DEFINE_PROP_STRING("initrd", S390IPLState, initrd),
 217     DEFINE_PROP_STRING("cmdline", S390IPLState, cmdline),
 218     DEFINE_PROP_STRING("firmware", S390IPLState, firmware),
 219     DEFINE_PROP_STRING("netboot_fw", S390IPLState, netboot_fw),
 220     DEFINE_PROP_BOOL("enforce_bios", S390IPLState, enforce_bios, false),
 221     DEFINE_PROP_BOOL("iplbext_migration", S390IPLState, iplbext_migration,
 222                      true),
 223     DEFINE_PROP_END_OF_LIST(),
 224 };
 225
 226 static void s390_ipl_set_boot_menu(S390IPLState *ipl)
 227 {
 228     QemuOptsList *plist = qemu_find_opts("boot-opts");
 229     QemuOpts *opts = QTAILQ_FIRST(&plist->head);
 230     uint8_t *flags = &ipl->qipl.qipl_flags;
 231     uint32_t *timeout = &ipl->qipl.boot_menu_timeout;
 232     const char *tmp;
 233     unsigned long splash_time = 0;
 234
 235     if (!get_boot_device(0)) {
 236         if (boot_menu) {
 237             error_report("boot menu requires a bootindex to be specified for "
 238                          "the IPL device");
 239         }
 240         return;
 241     }
 242
 243     switch (ipl->iplb.pbt) {
 244     case S390_IPL_TYPE_CCW:
 245         /* In the absence of -boot menu, use zipl parameters */
 246         if (!qemu_opt_get(opts, "menu")) {
 247             *flags |= QIPL_FLAG_BM_OPTS_ZIPL;
 248             return;
 249         }
 250         break;
 251     case S390_IPL_TYPE_QEMU_SCSI:
 252         break;
 253     default:
 254         if (boot_menu) {
 255             error_report("boot menu is not supported for this device type");
 256         }
 257         return;
 258     }
 259
 260     if (!boot_menu) {
 261         return;
 262     }
 263
 264     *flags |= QIPL_FLAG_BM_OPTS_CMD;
 265
 266     tmp = qemu_opt_get(opts, "splash-time");
 267
 268     if (tmp && qemu_strtoul(tmp, NULL, 10, &splash_time)) {
 269         error_report("splash-time is invalid, forcing it to 0");
 270         *timeout = 0;
 271         return;
 272     }
 273
 274     if (splash_time > 0xffffffff) {
 275         error_report("splash-time is too large, forcing it to max value");
 276         *timeout = 0xffffffff;
 277         return;
 278     }
 279
 280     *timeout = cpu_to_be32(splash_time);
 281 }
 282
 283 static CcwDevice *s390_get_ccw_device(DeviceState *dev_st)
 284 {
 285     CcwDevice *ccw_dev = NULL;
 286
 287     if (dev_st) {
 288         VirtioCcwDevice *virtio_ccw_dev = (VirtioCcwDevice *)
 289             object_dynamic_cast(OBJECT(qdev_get_parent_bus(dev_st)->parent),
 290                                 TYPE_VIRTIO_CCW_DEVICE);
 291         if (virtio_ccw_dev) {
 292             ccw_dev = CCW_DEVICE(virtio_ccw_dev);
 293         } else {
 294             SCSIDevice *sd = (SCSIDevice *)
 295                 object_dynamic_cast(OBJECT(dev_st),
 296                                     TYPE_SCSI_DEVICE);
 297             if (sd) {
 298                 SCSIBus *bus = scsi_bus_from_device(sd);
 299                 VirtIOSCSI *vdev = container_of(bus, VirtIOSCSI, bus);
 300                 VirtIOSCSICcw *scsi_ccw = container_of(vdev, VirtIOSCSICcw,
 301                                                        vdev);
 302
 303                 ccw_dev = (CcwDevice *)object_dynamic_cast(OBJECT(scsi_ccw),
 304                                                            TYPE_CCW_DEVICE);
 305             }
 306         }
 307     }
 308     return ccw_dev;
 309 }
 310
 311 static bool s390_gen_initial_iplb(S390IPLState *ipl)
 312 {
 313     DeviceState *dev_st;
 314     CcwDevice *ccw_dev = NULL;
 315
 316     dev_st = get_boot_device(0);
 317     if (dev_st) {
 318         ccw_dev = s390_get_ccw_device(dev_st);
 319     }
 320
 321     /*
 322      * Currently allow IPL only from CCW devices.
 323      */
 324     if (ccw_dev) {
 325         SCSIDevice *sd = (SCSIDevice *) object_dynamic_cast(OBJECT(dev_st),
 326                                                             TYPE_SCSI_DEVICE);
 327
 328         if (sd) {
 329             ipl->iplb.len = cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN);
 330             ipl->iplb.blk0_len =
 331                 cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN - S390_IPLB_HEADER_LEN);
 332             ipl->iplb.pbt = S390_IPL_TYPE_QEMU_SCSI;
 333             ipl->iplb.scsi.lun = cpu_to_be32(sd->lun);
 334             ipl->iplb.scsi.target = cpu_to_be16(sd->id);
 335             ipl->iplb.scsi.channel = cpu_to_be16(sd->channel);
 336             ipl->iplb.scsi.devno = cpu_to_be16(ccw_dev->sch->devno);
 337             ipl->iplb.scsi.ssid = ccw_dev->sch->ssid & 3;
 338         } else {
 339             VirtIONet *vn = (VirtIONet *) object_dynamic_cast(OBJECT(dev_st),
 340                                                               TYPE_VIRTIO_NET);
 341
 342             ipl->iplb.len = cpu_to_be32(S390_IPLB_MIN_CCW_LEN);
 343             ipl->iplb.blk0_len =
 344                 cpu_to_be32(S390_IPLB_MIN_CCW_LEN - S390_IPLB_HEADER_LEN);
 345             ipl->iplb.pbt = S390_IPL_TYPE_CCW;
 346             ipl->iplb.ccw.devno = cpu_to_be16(ccw_dev->sch->devno);
 347             ipl->iplb.ccw.ssid = ccw_dev->sch->ssid & 3;
 348
 349             if (vn) {
 350                 ipl->netboot = true;
 351             }
 352         }
 353
 354         if (!s390_ipl_set_loadparm(ipl->iplb.loadparm)) {
 355             ipl->iplb.flags |= DIAG308_FLAGS_LP_VALID;
 356         }
 357
 358         return true;
 359     }
 360
 361     return false;
 362 }
 363
 364 int s390_ipl_set_loadparm(uint8_t *loadparm)
 365 {
 366     MachineState *machine = MACHINE(qdev_get_machine());
 367     char *lp = object_property_get_str(OBJECT(machine), "loadparm", NULL);
 368
 369     if (lp) {
 370         int i;
 371
 372         /* lp is an uppercase string without leading/embedded spaces */
 373         for (i = 0; i < 8 && lp[i]; i++) {
 374             loadparm[i] = ascii2ebcdic[(uint8_t) lp[i]];
 375         }
 376
 377         if (i < 8) {
 378             memset(loadparm + i, 0x40, 8 - i); /* fill with EBCDIC spaces */
 379         }
 380
 381         g_free(lp);
 382         return 0;
 383     }
 384
 385     return -1;
 386 }
 387
 388 static int load_netboot_image(Error **errp)
 389 {
 390     S390IPLState *ipl = get_ipl_device();
 391     char *netboot_filename;
 392     MemoryRegion *sysmem =  get_system_memory();
 393     MemoryRegion *mr = NULL;
 394     void *ram_ptr = NULL;
 395     int img_size = -1;
 396
 397     mr = memory_region_find(sysmem, 0, 1).mr;
 398     if (!mr) {
 399         error_setg(errp, "Failed to find memory region at address 0");
 400         return -1;
 401     }
 402
 403     ram_ptr = memory_region_get_ram_ptr(mr);
 404     if (!ram_ptr) {
 405         error_setg(errp, "No RAM found");
 406         goto unref_mr;
 407     }
 408
 409     netboot_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, ipl->netboot_fw);
 410     if (netboot_filename == NULL) {
 411         error_setg(errp, "Could not find network bootloader '%s'",
 412                    ipl->netboot_fw);
 413         goto unref_mr;
 414     }
 415
 416     img_size = load_elf_ram(netboot_filename, NULL, NULL, &ipl->start_addr,
 417                             NULL, NULL, 1, EM_S390, 0, 0, NULL, false);
 418
 419     if (img_size < 0) {
 420         img_size = load_image_size(netboot_filename, ram_ptr, ram_size);
 421         ipl->start_addr = KERN_IMAGE_START;
 422     }
 423
 424     if (img_size < 0) {
 425         error_setg(errp, "Failed to load network bootloader");
 426     }
 427
 428     g_free(netboot_filename);
 429
 430 unref_mr:
 431     memory_region_unref(mr);
 432     return img_size;
 433 }
 434
 435 static bool is_virtio_ccw_device_of_type(IplParameterBlock *iplb,
 436                                          int virtio_id)
 437 {
 438     uint8_t cssid;
 439     uint8_t ssid;
 440     uint16_t devno;
 441     uint16_t schid;
 442     SubchDev *sch = NULL;
 443
 444     if (iplb->pbt != S390_IPL_TYPE_CCW) {
 445         return false;
 446     }
 447
 448     devno = be16_to_cpu(iplb->ccw.devno);
 449     ssid = iplb->ccw.ssid & 3;
 450
 451     for (schid = 0; schid < MAX_SCHID; schid++) {
 452         for (cssid = 0; cssid < MAX_CSSID; cssid++) {
 453             sch = css_find_subch(1, cssid, ssid, schid);
 454
 455             if (sch && sch->devno == devno) {
 456                 return sch->id.cu_model == virtio_id;
 457             }
 458         }
 459     }
 460     return false;
 461 }
 462
 463 static bool is_virtio_net_device(IplParameterBlock *iplb)
 464 {
 465     return is_virtio_ccw_device_of_type(iplb, VIRTIO_ID_NET);
 466 }
 467
 468 static bool is_virtio_scsi_device(IplParameterBlock *iplb)
 469 {
 470     return is_virtio_ccw_device_of_type(iplb, VIRTIO_ID_SCSI);
 471 }
 472
 473 void s390_ipl_update_diag308(IplParameterBlock *iplb)
 474 {
 475     S390IPLState *ipl = get_ipl_device();
 476
 477     ipl->iplb = *iplb;
 478     ipl->iplb_valid = true;
 479     ipl->netboot = is_virtio_net_device(iplb);
 480 }
 481
 482 IplParameterBlock *s390_ipl_get_iplb(void)
 483 {
 484     S390IPLState *ipl = get_ipl_device();
 485
 486     if (!ipl->iplb_valid) {
 487         return NULL;
 488     }
 489     return &ipl->iplb;
 490 }
 491
 492 void s390_ipl_reset_request(CPUState *cs, enum s390_reset reset_type)
 493 {
 494     S390IPLState *ipl = get_ipl_device();
 495
 496     if (reset_type == S390_RESET_EXTERNAL || reset_type == S390_RESET_REIPL) {
 497         /* use CPU 0 for full resets */
 498         ipl->reset_cpu_index = 0;
 499     } else {
 500         ipl->reset_cpu_index = cs->cpu_index;
 501     }
 502     ipl->reset_type = reset_type;
 503
 504     if (reset_type == S390_RESET_REIPL &&
 505         ipl->iplb_valid &&
 506         !ipl->netboot &&
 507         ipl->iplb.pbt == S390_IPL_TYPE_CCW &&
 508         is_virtio_scsi_device(&ipl->iplb)) {
 509         CcwDevice *ccw_dev = s390_get_ccw_device(get_boot_device(0));
 510
 511         if (ccw_dev &&
 512             cpu_to_be16(ccw_dev->sch->devno) == ipl->iplb.ccw.devno &&
 513             (ccw_dev->sch->ssid & 3) == ipl->iplb.ccw.ssid) {
 514             /*
 515              * this is the original boot device's SCSI
 516              * so restore IPL parameter info from it
 517              */
 518             ipl->iplb_valid = s390_gen_initial_iplb(ipl);
 519         }
 520     }
 521     qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
 522     /* as this is triggered by a CPU, make sure to exit the loop */
 523     if (tcg_enabled()) {
 524         cpu_loop_exit(cs);
 525     }
 526 }
 527
 528 void s390_ipl_get_reset_request(CPUState **cs, enum s390_reset *reset_type)
 529 {
 530     S390IPLState *ipl = get_ipl_device();
 531
 532     *cs = qemu_get_cpu(ipl->reset_cpu_index);
 533     if (!*cs) {
 534         /* use any CPU */
 535         *cs = first_cpu;
 536     }
 537     *reset_type = ipl->reset_type;
 538 }
 539
 540 void s390_ipl_clear_reset_request(void)
 541 {
 542     S390IPLState *ipl = get_ipl_device();
 543
 544     ipl->reset_type = S390_RESET_EXTERNAL;
 545     /* use CPU 0 for full resets */
 546     ipl->reset_cpu_index = 0;
 547 }
 548
 549 static void s390_ipl_prepare_qipl(S390CPU *cpu)
 550 {
 551     S390IPLState *ipl = get_ipl_device();
 552     uint8_t *addr;
 553     uint64_t len = 4096;
 554
 555     addr = cpu_physical_memory_map(cpu->env.psa, &len, 1);
 556     if (!addr || len < QIPL_ADDRESS + sizeof(QemuIplParameters)) {
 557         error_report("Cannot set QEMU IPL parameters");
 558         return;
 559     }
 560     memcpy(addr + QIPL_ADDRESS, &ipl->qipl, sizeof(QemuIplParameters));
 561     cpu_physical_memory_unmap(addr, len, 1, len);
 562 }
 563
 564 void s390_ipl_prepare_cpu(S390CPU *cpu)
 565 {
 566     S390IPLState *ipl = get_ipl_device();
 567     Error *err = NULL;
 568
 569     cpu->env.psw.addr = ipl->start_addr;
 570     cpu->env.psw.mask = IPL_PSW_MASK;
 571
 572     if (!ipl->kernel || ipl->iplb_valid) {
 573         cpu->env.psw.addr = ipl->bios_start_addr;
 574         if (!ipl->iplb_valid) {
 575             ipl->iplb_valid = s390_gen_initial_iplb(ipl);
 576         }
 577     }
 578     if (ipl->netboot) {
 579         if (load_netboot_image(&err) < 0) {
 580             error_report_err(err);
 581             exit(1);
 582         }
 583         ipl->qipl.netboot_start_addr = cpu_to_be64(ipl->start_addr);
 584     }
 585     s390_ipl_set_boot_menu(ipl);
 586     s390_ipl_prepare_qipl(cpu);
 587 }
 588
 589 static void s390_ipl_reset(DeviceState *dev)
 590 {
 591     S390IPLState *ipl = S390_IPL(dev);
 592
 593     if (ipl->reset_type != S390_RESET_REIPL) {
 594         ipl->iplb_valid = false;
 595         memset(&ipl->iplb, 0, sizeof(IplParameterBlock));
 596     }
 597 }
 598
 599 static void s390_ipl_class_init(ObjectClass *klass, void *data)
 600 {
 601     DeviceClass *dc = DEVICE_CLASS(klass);
 602
 603     dc->realize = s390_ipl_realize;
 604     dc->props = s390_ipl_properties;
 605     dc->reset = s390_ipl_reset;
 606     dc->vmsd = &vmstate_ipl;
 607     set_bit(DEVICE_CATEGORY_MISC, dc->categories);
 608     /* Reason: Loads the ROMs and thus can only be used one time - internally */
 609     dc->user_creatable = false;
 610 }
 611
 612 static const TypeInfo s390_ipl_info = {
 613     .class_init = s390_ipl_class_init,
 614     .parent = TYPE_DEVICE,
 615     .name  = TYPE_S390_IPL,
 616     .instance_size  = sizeof(S390IPLState),
 617 };
 618
 619 static void s390_ipl_register_types(void)
 620 {
 621     type_register_static(&s390_ipl_info);
 622 }
 623
 624 type_init(s390_ipl_register_types)