hw/net/spapr_llan.c

   1 /*
   2  * QEMU PowerPC pSeries Logical Partition (aka sPAPR) hardware System Emulator
   3  *
   4  * PAPR Inter-VM Logical Lan, aka ibmveth
   5  *
   6  * Copyright (c) 2010,2011 David Gibson, IBM Corporation.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a copy
   9  * of this software and associated documentation files (the "Software"), to deal
  10  * in the Software without restriction, including without limitation the rights
  11  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  12  * copies of the Software, and to permit persons to whom the Software is
  13  * furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included in
  16  * all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  21  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  23  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  24  * THE SOFTWARE.
  25  *
  26  */
  27 #include "hw/hw.h"
  28 #include "net/net.h"
  29 #include "hw/qdev.h"
  30 #include "hw/ppc/spapr.h"
  31 #include "hw/ppc/spapr_vio.h"
  32 #include "sysemu/sysemu.h"
  33
  34 #include <libfdt.h>
  35
  36 #define ETH_ALEN        6
  37 #define MAX_PACKET_SIZE 65536
  38
  39 /*#define DEBUG*/
  40
  41 #ifdef DEBUG
  42 #define DPRINTF(fmt...) do { fprintf(stderr, fmt); } while (0)
  43 #else
  44 #define DPRINTF(fmt...)
  45 #endif
  46
  47 /*
  48  * Virtual LAN device
  49  */
  50
  51 typedef uint64_t vlan_bd_t;
  52
  53 #define VLAN_BD_VALID        0x8000000000000000ULL
  54 #define VLAN_BD_TOGGLE       0x4000000000000000ULL
  55 #define VLAN_BD_NO_CSUM      0x0200000000000000ULL
  56 #define VLAN_BD_CSUM_GOOD    0x0100000000000000ULL
  57 #define VLAN_BD_LEN_MASK     0x00ffffff00000000ULL
  58 #define VLAN_BD_LEN(bd)      (((bd) & VLAN_BD_LEN_MASK) >> 32)
  59 #define VLAN_BD_ADDR_MASK    0x00000000ffffffffULL
  60 #define VLAN_BD_ADDR(bd)     ((bd) & VLAN_BD_ADDR_MASK)
  61
  62 #define VLAN_VALID_BD(addr, len) (VLAN_BD_VALID | \
  63                                   (((len) << 32) & VLAN_BD_LEN_MASK) |  \
  64                                   (addr & VLAN_BD_ADDR_MASK))
  65
  66 #define VLAN_RXQC_TOGGLE     0x80
  67 #define VLAN_RXQC_VALID      0x40
  68 #define VLAN_RXQC_NO_CSUM    0x02
  69 #define VLAN_RXQC_CSUM_GOOD  0x01
  70
  71 #define VLAN_RQ_ALIGNMENT    16
  72 #define VLAN_RXQ_BD_OFF      0
  73 #define VLAN_FILTER_BD_OFF   8
  74 #define VLAN_RX_BDS_OFF      16
  75 #define VLAN_MAX_BUFS        ((SPAPR_TCE_PAGE_SIZE - VLAN_RX_BDS_OFF) / 8)
  76
  77 #define TYPE_VIO_SPAPR_VLAN_DEVICE "spapr-vlan"
  78 #define VIO_SPAPR_VLAN_DEVICE(obj) \
  79      OBJECT_CHECK(VIOsPAPRVLANDevice, (obj), TYPE_VIO_SPAPR_VLAN_DEVICE)
  80
  81 typedef struct VIOsPAPRVLANDevice {
  82     VIOsPAPRDevice sdev;
  83     NICConf nicconf;
  84     NICState *nic;
  85     bool isopen;
  86     target_ulong buf_list;
  87     uint32_t add_buf_ptr, use_buf_ptr, rx_bufs;
  88     target_ulong rxq_ptr;
  89 } VIOsPAPRVLANDevice;
  90
  91 static int spapr_vlan_can_receive(NetClientState *nc)
  92 {
  93     VIOsPAPRVLANDevice *dev = qemu_get_nic_opaque(nc);
  94
  95     return (dev->isopen && dev->rx_bufs > 0);
  96 }
  97
  98 static ssize_t spapr_vlan_receive(NetClientState *nc, const uint8_t *buf,
  99                                   size_t size)
 100 {
 101     VIOsPAPRVLANDevice *dev = qemu_get_nic_opaque(nc);
 102     VIOsPAPRDevice *sdev = VIO_SPAPR_DEVICE(dev);
 103     vlan_bd_t rxq_bd = vio_ldq(sdev, dev->buf_list + VLAN_RXQ_BD_OFF);
 104     vlan_bd_t bd;
 105     int buf_ptr = dev->use_buf_ptr;
 106     uint64_t handle;
 107     uint8_t control;
 108
 109     DPRINTF("spapr_vlan_receive() [%s] rx_bufs=%d\n", sdev->qdev.id,
 110             dev->rx_bufs);
 111
 112     if (!dev->isopen) {
 113         return -1;
 114     }
 115
 116     if (!dev->rx_bufs) {
 117         return -1;
 118     }
 119
 120     do {
 121         buf_ptr += 8;
 122         if (buf_ptr >= SPAPR_TCE_PAGE_SIZE) {
 123             buf_ptr = VLAN_RX_BDS_OFF;
 124         }
 125
 126         bd = vio_ldq(sdev, dev->buf_list + buf_ptr);
 127         DPRINTF("use_buf_ptr=%d bd=0x%016llx\n",
 128                 buf_ptr, (unsigned long long)bd);
 129     } while ((!(bd & VLAN_BD_VALID) || (VLAN_BD_LEN(bd) < (size + 8)))
 130              && (buf_ptr != dev->use_buf_ptr));
 131
 132     if (!(bd & VLAN_BD_VALID) || (VLAN_BD_LEN(bd) < (size + 8))) {
 133         /* Failed to find a suitable buffer */
 134         return -1;
 135     }
 136
 137     /* Remove the buffer from the pool */
 138     dev->rx_bufs--;
 139     dev->use_buf_ptr = buf_ptr;
 140     vio_stq(sdev, dev->buf_list + dev->use_buf_ptr, 0);
 141
 142     DPRINTF("Found buffer: ptr=%d num=%d\n", dev->use_buf_ptr, dev->rx_bufs);
 143
 144     /* Transfer the packet data */
 145     if (spapr_vio_dma_write(sdev, VLAN_BD_ADDR(bd) + 8, buf, size) < 0) {
 146         return -1;
 147     }
 148
 149     DPRINTF("spapr_vlan_receive: DMA write completed\n");
 150
 151     /* Update the receive queue */
 152     control = VLAN_RXQC_TOGGLE | VLAN_RXQC_VALID;
 153     if (rxq_bd & VLAN_BD_TOGGLE) {
 154         control ^= VLAN_RXQC_TOGGLE;
 155     }
 156
 157     handle = vio_ldq(sdev, VLAN_BD_ADDR(bd));
 158     vio_stq(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr + 8, handle);
 159     vio_stl(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr + 4, size);
 160     vio_sth(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr + 2, 8);
 161     vio_stb(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr, control);
 162
 163     DPRINTF("wrote rxq entry (ptr=0x%llx): 0x%016llx 0x%016llx\n",
 164             (unsigned long long)dev->rxq_ptr,
 165             (unsigned long long)vio_ldq(sdev, VLAN_BD_ADDR(rxq_bd) +
 166                                         dev->rxq_ptr),
 167             (unsigned long long)vio_ldq(sdev, VLAN_BD_ADDR(rxq_bd) +
 168                                         dev->rxq_ptr + 8));
 169
 170     dev->rxq_ptr += 16;
 171     if (dev->rxq_ptr >= VLAN_BD_LEN(rxq_bd)) {
 172         dev->rxq_ptr = 0;
 173         vio_stq(sdev, dev->buf_list + VLAN_RXQ_BD_OFF, rxq_bd ^ VLAN_BD_TOGGLE);
 174     }
 175
 176     if (sdev->signal_state & 1) {
 177         qemu_irq_pulse(spapr_vio_qirq(sdev));
 178     }
 179
 180     return size;
 181 }
 182
 183 static void spapr_vlan_cleanup(NetClientState *nc)
 184 {
 185     VIOsPAPRVLANDevice *dev = qemu_get_nic_opaque(nc);
 186
 187     dev->nic = NULL;
 188 }
 189
 190 static NetClientInfo net_spapr_vlan_info = {
 191     .type = NET_CLIENT_OPTIONS_KIND_NIC,
 192     .size = sizeof(NICState),
 193     .can_receive = spapr_vlan_can_receive,
 194     .receive = spapr_vlan_receive,
 195     .cleanup = spapr_vlan_cleanup,
 196 };
 197
 198 static void spapr_vlan_reset(VIOsPAPRDevice *sdev)
 199 {
 200     VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev);
 201
 202     dev->buf_list = 0;
 203     dev->rx_bufs = 0;
 204     dev->isopen = 0;
 205 }
 206
 207 static int spapr_vlan_init(VIOsPAPRDevice *sdev)
 208 {
 209     VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev);
 210
 211     qemu_macaddr_default_if_unset(&dev->nicconf.macaddr);
 212
 213     dev->nic = qemu_new_nic(&net_spapr_vlan_info, &dev->nicconf,
 214                             object_get_typename(OBJECT(sdev)), sdev->qdev.id, dev);
 215     qemu_format_nic_info_str(qemu_get_queue(dev->nic), dev->nicconf.macaddr.a);
 216
 217     add_boot_device_path(dev->nicconf.bootindex, DEVICE(dev), "");
 218
 219     return 0;
 220 }
 221
 222 void spapr_vlan_create(VIOsPAPRBus *bus, NICInfo *nd)
 223 {
 224     DeviceState *dev;
 225
 226     dev = qdev_create(&bus->bus, "spapr-vlan");
 227
 228     qdev_set_nic_properties(dev, nd);
 229
 230     qdev_init_nofail(dev);
 231 }
 232
 233 static int spapr_vlan_devnode(VIOsPAPRDevice *dev, void *fdt, int node_off)
 234 {
 235     VIOsPAPRVLANDevice *vdev = VIO_SPAPR_VLAN_DEVICE(dev);
 236     uint8_t padded_mac[8] = {0, 0};
 237     int ret;
 238
 239     /* Some old phyp versions give the mac address in an 8-byte
 240      * property.  The kernel driver has an insane workaround for this;
 241      * rather than doing the obvious thing and checking the property
 242      * length, it checks whether the first byte has 0b10 in the low
 243      * bits.  If a correct 6-byte property has a different first byte
 244      * the kernel will get the wrong mac address, overrunning its
 245      * buffer in the process (read only, thank goodness).
 246      *
 247      * Here we workaround the kernel workaround by always supplying an
 248      * 8-byte property, with the mac address in the last six bytes */
 249     memcpy(&padded_mac[2], &vdev->nicconf.macaddr, ETH_ALEN);
 250     ret = fdt_setprop(fdt, node_off, "local-mac-address",
 251                       padded_mac, sizeof(padded_mac));
 252     if (ret < 0) {
 253         return ret;
 254     }
 255
 256     ret = fdt_setprop_cell(fdt, node_off, "ibm,mac-address-filters", 0);
 257     if (ret < 0) {
 258         return ret;
 259     }
 260
 261     return 0;
 262 }
 263
 264 static int check_bd(VIOsPAPRVLANDevice *dev, vlan_bd_t bd,
 265                     target_ulong alignment)
 266 {
 267     if ((VLAN_BD_ADDR(bd) % alignment)
 268         || (VLAN_BD_LEN(bd) % alignment)) {
 269         return -1;
 270     }
 271
 272     if (!spapr_vio_dma_valid(&dev->sdev, VLAN_BD_ADDR(bd),
 273                              VLAN_BD_LEN(bd), DMA_DIRECTION_FROM_DEVICE)
 274         || !spapr_vio_dma_valid(&dev->sdev, VLAN_BD_ADDR(bd),
 275                                 VLAN_BD_LEN(bd), DMA_DIRECTION_TO_DEVICE)) {
 276         return -1;
 277     }
 278
 279     return 0;
 280 }
 281
 282 static target_ulong h_register_logical_lan(PowerPCCPU *cpu,
 283                                            sPAPREnvironment *spapr,
 284                                            target_ulong opcode,
 285                                            target_ulong *args)
 286 {
 287     target_ulong reg = args[0];
 288     target_ulong buf_list = args[1];
 289     target_ulong rec_queue = args[2];
 290     target_ulong filter_list = args[3];
 291     VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
 292     VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev);
 293     vlan_bd_t filter_list_bd;
 294
 295     if (!dev) {
 296         return H_PARAMETER;
 297     }
 298
 299     if (dev->isopen) {
 300         hcall_dprintf("H_REGISTER_LOGICAL_LAN called twice without "
 301                       "H_FREE_LOGICAL_LAN\n");
 302         return H_RESOURCE;
 303     }
 304
 305     if (check_bd(dev, VLAN_VALID_BD(buf_list, SPAPR_TCE_PAGE_SIZE),
 306                  SPAPR_TCE_PAGE_SIZE) < 0) {
 307         hcall_dprintf("Bad buf_list 0x" TARGET_FMT_lx "\n", buf_list);
 308         return H_PARAMETER;
 309     }
 310
 311     filter_list_bd = VLAN_VALID_BD(filter_list, SPAPR_TCE_PAGE_SIZE);
 312     if (check_bd(dev, filter_list_bd, SPAPR_TCE_PAGE_SIZE) < 0) {
 313         hcall_dprintf("Bad filter_list 0x" TARGET_FMT_lx "\n", filter_list);
 314         return H_PARAMETER;
 315     }
 316
 317     if (!(rec_queue & VLAN_BD_VALID)
 318         || (check_bd(dev, rec_queue, VLAN_RQ_ALIGNMENT) < 0)) {
 319         hcall_dprintf("Bad receive queue\n");
 320         return H_PARAMETER;
 321     }
 322
 323     dev->buf_list = buf_list;
 324     sdev->signal_state = 0;
 325
 326     rec_queue &= ~VLAN_BD_TOGGLE;
 327
 328     /* Initialize the buffer list */
 329     vio_stq(sdev, buf_list, rec_queue);
 330     vio_stq(sdev, buf_list + 8, filter_list_bd);
 331     spapr_vio_dma_set(sdev, buf_list + VLAN_RX_BDS_OFF, 0,
 332                       SPAPR_TCE_PAGE_SIZE - VLAN_RX_BDS_OFF);
 333     dev->add_buf_ptr = VLAN_RX_BDS_OFF - 8;
 334     dev->use_buf_ptr = VLAN_RX_BDS_OFF - 8;
 335     dev->rx_bufs = 0;
 336     dev->rxq_ptr = 0;
 337
 338     /* Initialize the receive queue */
 339     spapr_vio_dma_set(sdev, VLAN_BD_ADDR(rec_queue), 0, VLAN_BD_LEN(rec_queue));
 340
 341     dev->isopen = 1;
 342     qemu_flush_queued_packets(qemu_get_queue(dev->nic));
 343
 344     return H_SUCCESS;
 345 }
 346
 347
 348 static target_ulong h_free_logical_lan(PowerPCCPU *cpu, sPAPREnvironment *spapr,
 349                                        target_ulong opcode, target_ulong *args)
 350 {
 351     target_ulong reg = args[0];
 352     VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
 353     VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev);
 354
 355     if (!dev) {
 356         return H_PARAMETER;
 357     }
 358
 359     if (!dev->isopen) {
 360         hcall_dprintf("H_FREE_LOGICAL_LAN called without "
 361                       "H_REGISTER_LOGICAL_LAN\n");
 362         return H_RESOURCE;
 363     }
 364
 365     spapr_vlan_reset(sdev);
 366     return H_SUCCESS;
 367 }
 368
 369 static target_ulong h_add_logical_lan_buffer(PowerPCCPU *cpu,
 370                                              sPAPREnvironment *spapr,
 371                                              target_ulong opcode,
 372                                              target_ulong *args)
 373 {
 374     target_ulong reg = args[0];
 375     target_ulong buf = args[1];
 376     VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
 377     VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev);
 378     vlan_bd_t bd;
 379
 380     DPRINTF("H_ADD_LOGICAL_LAN_BUFFER(0x" TARGET_FMT_lx
 381             ", 0x" TARGET_FMT_lx ")\n", reg, buf);
 382
 383     if (!sdev) {
 384         hcall_dprintf("Bad device\n");
 385         return H_PARAMETER;
 386     }
 387
 388     if ((check_bd(dev, buf, 4) < 0)
 389         || (VLAN_BD_LEN(buf) < 16)) {
 390         hcall_dprintf("Bad buffer enqueued\n");
 391         return H_PARAMETER;
 392     }
 393
 394     if (!dev->isopen || dev->rx_bufs >= VLAN_MAX_BUFS) {
 395         return H_RESOURCE;
 396     }
 397
 398     do {
 399         dev->add_buf_ptr += 8;
 400         if (dev->add_buf_ptr >= SPAPR_TCE_PAGE_SIZE) {
 401             dev->add_buf_ptr = VLAN_RX_BDS_OFF;
 402         }
 403
 404         bd = vio_ldq(sdev, dev->buf_list + dev->add_buf_ptr);
 405     } while (bd & VLAN_BD_VALID);
 406
 407     vio_stq(sdev, dev->buf_list + dev->add_buf_ptr, buf);
 408
 409     dev->rx_bufs++;
 410
 411     qemu_flush_queued_packets(qemu_get_queue(dev->nic));
 412
 413     DPRINTF("h_add_logical_lan_buffer():  Added buf  ptr=%d  rx_bufs=%d"
 414             " bd=0x%016llx\n", dev->add_buf_ptr, dev->rx_bufs,
 415             (unsigned long long)buf);
 416
 417     return H_SUCCESS;
 418 }
 419
 420 static target_ulong h_send_logical_lan(PowerPCCPU *cpu, sPAPREnvironment *spapr,
 421                                        target_ulong opcode, target_ulong *args)
 422 {
 423     target_ulong reg = args[0];
 424     target_ulong *bufs = args + 1;
 425     target_ulong continue_token = args[7];
 426     VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
 427     VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev);
 428     unsigned total_len;
 429     uint8_t *lbuf, *p;
 430     int i, nbufs;
 431     int ret;
 432
 433     DPRINTF("H_SEND_LOGICAL_LAN(0x" TARGET_FMT_lx ", <bufs>, 0x"
 434             TARGET_FMT_lx ")\n", reg, continue_token);
 435
 436     if (!sdev) {
 437         return H_PARAMETER;
 438     }
 439
 440     DPRINTF("rxbufs = %d\n", dev->rx_bufs);
 441
 442     if (!dev->isopen) {
 443         return H_DROPPED;
 444     }
 445
 446     if (continue_token) {
 447         return H_HARDWARE; /* FIXME actually handle this */
 448     }
 449
 450     total_len = 0;
 451     for (i = 0; i < 6; i++) {
 452         DPRINTF("   buf desc: 0x" TARGET_FMT_lx "\n", bufs[i]);
 453         if (!(bufs[i] & VLAN_BD_VALID)) {
 454             break;
 455         }
 456         total_len += VLAN_BD_LEN(bufs[i]);
 457     }
 458
 459     nbufs = i;
 460     DPRINTF("h_send_logical_lan() %d buffers, total length 0x%x\n",
 461             nbufs, total_len);
 462
 463     if (total_len == 0) {
 464         return H_SUCCESS;
 465     }
 466
 467     if (total_len > MAX_PACKET_SIZE) {
 468         /* Don't let the guest force too large an allocation */
 469         return H_RESOURCE;
 470     }
 471
 472     lbuf = alloca(total_len);
 473     p = lbuf;
 474     for (i = 0; i < nbufs; i++) {
 475         ret = spapr_vio_dma_read(sdev, VLAN_BD_ADDR(bufs[i]),
 476                                  p, VLAN_BD_LEN(bufs[i]));
 477         if (ret < 0) {
 478             return ret;
 479         }
 480
 481         p += VLAN_BD_LEN(bufs[i]);
 482     }
 483
 484     qemu_send_packet(qemu_get_queue(dev->nic), lbuf, total_len);
 485
 486     return H_SUCCESS;
 487 }
 488
 489 static target_ulong h_multicast_ctrl(PowerPCCPU *cpu, sPAPREnvironment *spapr,
 490                                      target_ulong opcode, target_ulong *args)
 491 {
 492     target_ulong reg = args[0];
 493     VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
 494
 495     if (!dev) {
 496         return H_PARAMETER;
 497     }
 498
 499     return H_SUCCESS;
 500 }
 501
 502 static Property spapr_vlan_properties[] = {
 503     DEFINE_SPAPR_PROPERTIES(VIOsPAPRVLANDevice, sdev),
 504     DEFINE_NIC_PROPERTIES(VIOsPAPRVLANDevice, nicconf),
 505     DEFINE_PROP_END_OF_LIST(),
 506 };
 507
 508 static const VMStateDescription vmstate_spapr_llan = {
 509     .name = "spapr_llan",
 510     .version_id = 1,
 511     .minimum_version_id = 1,
 512     .minimum_version_id_old = 1,
 513     .fields      = (VMStateField []) {
 514         VMSTATE_SPAPR_VIO(sdev, VIOsPAPRVLANDevice),
 515         /* LLAN state */
 516         VMSTATE_BOOL(isopen, VIOsPAPRVLANDevice),
 517         VMSTATE_UINTTL(buf_list, VIOsPAPRVLANDevice),
 518         VMSTATE_UINT32(add_buf_ptr, VIOsPAPRVLANDevice),
 519         VMSTATE_UINT32(use_buf_ptr, VIOsPAPRVLANDevice),
 520         VMSTATE_UINT32(rx_bufs, VIOsPAPRVLANDevice),
 521         VMSTATE_UINTTL(rxq_ptr, VIOsPAPRVLANDevice),
 522
 523         VMSTATE_END_OF_LIST()
 524     },
 525 };
 526
 527 static void spapr_vlan_class_init(ObjectClass *klass, void *data)
 528 {
 529     DeviceClass *dc = DEVICE_CLASS(klass);
 530     VIOsPAPRDeviceClass *k = VIO_SPAPR_DEVICE_CLASS(klass);
 531
 532     k->init = spapr_vlan_init;
 533     k->reset = spapr_vlan_reset;
 534     k->devnode = spapr_vlan_devnode;
 535     k->dt_name = "l-lan";
 536     k->dt_type = "network";
 537     k->dt_compatible = "IBM,l-lan";
 538     k->signal_mask = 0x1;
 539     set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
 540     dc->props = spapr_vlan_properties;
 541     k->rtce_window_size = 0x10000000;
 542     dc->vmsd = &vmstate_spapr_llan;
 543 }
 544
 545 static const TypeInfo spapr_vlan_info = {
 546     .name          = TYPE_VIO_SPAPR_VLAN_DEVICE,
 547     .parent        = TYPE_VIO_SPAPR_DEVICE,
 548     .instance_size = sizeof(VIOsPAPRVLANDevice),
 549     .class_init    = spapr_vlan_class_init,
 550 };
 551
 552 static void spapr_vlan_register_types(void)
 553 {
 554     spapr_register_hypercall(H_REGISTER_LOGICAL_LAN, h_register_logical_lan);
 555     spapr_register_hypercall(H_FREE_LOGICAL_LAN, h_free_logical_lan);
 556     spapr_register_hypercall(H_SEND_LOGICAL_LAN, h_send_logical_lan);
 557     spapr_register_hypercall(H_ADD_LOGICAL_LAN_BUFFER,
 558                              h_add_logical_lan_buffer);
 559     spapr_register_hypercall(H_MULTICAST_CTRL, h_multicast_ctrl);
 560     type_register_static(&spapr_vlan_info);
 561 }
 562
 563 type_init(spapr_vlan_register_types)