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 /*
  76  * The final 8 bytes of the buffer list is a counter of frames dropped
  77  * because there was not a buffer in the buffer list capable of holding
  78  * the frame. We must avoid it, or the operating system will report garbage
  79  * for this statistic.
  80  */
  81 #define VLAN_RX_BDS_LEN      (SPAPR_TCE_PAGE_SIZE - VLAN_RX_BDS_OFF - 8)
  82 #define VLAN_MAX_BUFS        (VLAN_RX_BDS_LEN / 8)
  83
  84 #define TYPE_VIO_SPAPR_VLAN_DEVICE "spapr-vlan"
  85 #define VIO_SPAPR_VLAN_DEVICE(obj) \
  86      OBJECT_CHECK(VIOsPAPRVLANDevice, (obj), TYPE_VIO_SPAPR_VLAN_DEVICE)
  87
  88 typedef struct VIOsPAPRVLANDevice {
  89     VIOsPAPRDevice sdev;
  90     NICConf nicconf;
  91     NICState *nic;
  92     bool isopen;
  93     target_ulong buf_list;
  94     uint32_t add_buf_ptr, use_buf_ptr, rx_bufs;
  95     target_ulong rxq_ptr;
  96 } VIOsPAPRVLANDevice;
  97
  98 static int spapr_vlan_can_receive(NetClientState *nc)
  99 {
 100     VIOsPAPRVLANDevice *dev = qemu_get_nic_opaque(nc);
 101
 102     return (dev->isopen && dev->rx_bufs > 0);
 103 }
 104
 105 static ssize_t spapr_vlan_receive(NetClientState *nc, const uint8_t *buf,
 106                                   size_t size)
 107 {
 108     VIOsPAPRVLANDevice *dev = qemu_get_nic_opaque(nc);
 109     VIOsPAPRDevice *sdev = VIO_SPAPR_DEVICE(dev);
 110     vlan_bd_t rxq_bd = vio_ldq(sdev, dev->buf_list + VLAN_RXQ_BD_OFF);
 111     vlan_bd_t bd;
 112     int buf_ptr = dev->use_buf_ptr;
 113     uint64_t handle;
 114     uint8_t control;
 115
 116     DPRINTF("spapr_vlan_receive() [%s] rx_bufs=%d\n", sdev->qdev.id,
 117             dev->rx_bufs);
 118
 119     if (!dev->isopen) {
 120         return -1;
 121     }
 122
 123     if (!dev->rx_bufs) {
 124         return -1;
 125     }
 126
 127     do {
 128         buf_ptr += 8;
 129         if (buf_ptr >= (VLAN_RX_BDS_LEN + VLAN_RX_BDS_OFF)) {
 130             buf_ptr = VLAN_RX_BDS_OFF;
 131         }
 132
 133         bd = vio_ldq(sdev, dev->buf_list + buf_ptr);
 134         DPRINTF("use_buf_ptr=%d bd=0x%016llx\n",
 135                 buf_ptr, (unsigned long long)bd);
 136     } while ((!(bd & VLAN_BD_VALID) || (VLAN_BD_LEN(bd) < (size + 8)))
 137              && (buf_ptr != dev->use_buf_ptr));
 138
 139     if (!(bd & VLAN_BD_VALID) || (VLAN_BD_LEN(bd) < (size + 8))) {
 140         /* Failed to find a suitable buffer */
 141         return -1;
 142     }
 143
 144     /* Remove the buffer from the pool */
 145     dev->rx_bufs--;
 146     dev->use_buf_ptr = buf_ptr;
 147     vio_stq(sdev, dev->buf_list + dev->use_buf_ptr, 0);
 148
 149     DPRINTF("Found buffer: ptr=%d num=%d\n", dev->use_buf_ptr, dev->rx_bufs);
 150
 151     /* Transfer the packet data */
 152     if (spapr_vio_dma_write(sdev, VLAN_BD_ADDR(bd) + 8, buf, size) < 0) {
 153         return -1;
 154     }
 155
 156     DPRINTF("spapr_vlan_receive: DMA write completed\n");
 157
 158     /* Update the receive queue */
 159     control = VLAN_RXQC_TOGGLE | VLAN_RXQC_VALID;
 160     if (rxq_bd & VLAN_BD_TOGGLE) {
 161         control ^= VLAN_RXQC_TOGGLE;
 162     }
 163
 164     handle = vio_ldq(sdev, VLAN_BD_ADDR(bd));
 165     vio_stq(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr + 8, handle);
 166     vio_stl(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr + 4, size);
 167     vio_sth(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr + 2, 8);
 168     vio_stb(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr, control);
 169
 170     DPRINTF("wrote rxq entry (ptr=0x%llx): 0x%016llx 0x%016llx\n",
 171             (unsigned long long)dev->rxq_ptr,
 172             (unsigned long long)vio_ldq(sdev, VLAN_BD_ADDR(rxq_bd) +
 173                                         dev->rxq_ptr),
 174             (unsigned long long)vio_ldq(sdev, VLAN_BD_ADDR(rxq_bd) +
 175                                         dev->rxq_ptr + 8));
 176
 177     dev->rxq_ptr += 16;
 178     if (dev->rxq_ptr >= VLAN_BD_LEN(rxq_bd)) {
 179         dev->rxq_ptr = 0;
 180         vio_stq(sdev, dev->buf_list + VLAN_RXQ_BD_OFF, rxq_bd ^ VLAN_BD_TOGGLE);
 181     }
 182
 183     if (sdev->signal_state & 1) {
 184         qemu_irq_pulse(spapr_vio_qirq(sdev));
 185     }
 186
 187     return size;
 188 }
 189
 190 static void spapr_vlan_cleanup(NetClientState *nc)
 191 {
 192     VIOsPAPRVLANDevice *dev = qemu_get_nic_opaque(nc);
 193
 194     dev->nic = NULL;
 195 }
 196
 197 static NetClientInfo net_spapr_vlan_info = {
 198     .type = NET_CLIENT_OPTIONS_KIND_NIC,
 199     .size = sizeof(NICState),
 200     .can_receive = spapr_vlan_can_receive,
 201     .receive = spapr_vlan_receive,
 202     .cleanup = spapr_vlan_cleanup,
 203 };
 204
 205 static void spapr_vlan_reset(VIOsPAPRDevice *sdev)
 206 {
 207     VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev);
 208
 209     dev->buf_list = 0;
 210     dev->rx_bufs = 0;
 211     dev->isopen = 0;
 212 }
 213
 214 static int spapr_vlan_init(VIOsPAPRDevice *sdev)
 215 {
 216     VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev);
 217
 218     qemu_macaddr_default_if_unset(&dev->nicconf.macaddr);
 219
 220     dev->nic = qemu_new_nic(&net_spapr_vlan_info, &dev->nicconf,
 221                             object_get_typename(OBJECT(sdev)), sdev->qdev.id, dev);
 222     qemu_format_nic_info_str(qemu_get_queue(dev->nic), dev->nicconf.macaddr.a);
 223
 224     return 0;
 225 }
 226
 227 static void spapr_vlan_instance_init(Object *obj)
 228 {
 229     VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(obj);
 230
 231     device_add_bootindex_property(obj, &dev->nicconf.bootindex,
 232                                   "bootindex", "",
 233                                   DEVICE(dev), NULL);
 234 }
 235
 236 void spapr_vlan_create(VIOsPAPRBus *bus, NICInfo *nd)
 237 {
 238     DeviceState *dev;
 239
 240     dev = qdev_create(&bus->bus, "spapr-vlan");
 241
 242     qdev_set_nic_properties(dev, nd);
 243
 244     qdev_init_nofail(dev);
 245 }
 246
 247 static int spapr_vlan_devnode(VIOsPAPRDevice *dev, void *fdt, int node_off)
 248 {
 249     VIOsPAPRVLANDevice *vdev = VIO_SPAPR_VLAN_DEVICE(dev);
 250     uint8_t padded_mac[8] = {0, 0};
 251     int ret;
 252
 253     /* Some old phyp versions give the mac address in an 8-byte
 254      * property.  The kernel driver has an insane workaround for this;
 255      * rather than doing the obvious thing and checking the property
 256      * length, it checks whether the first byte has 0b10 in the low
 257      * bits.  If a correct 6-byte property has a different first byte
 258      * the kernel will get the wrong mac address, overrunning its
 259      * buffer in the process (read only, thank goodness).
 260      *
 261      * Here we workaround the kernel workaround by always supplying an
 262      * 8-byte property, with the mac address in the last six bytes */
 263     memcpy(&padded_mac[2], &vdev->nicconf.macaddr, ETH_ALEN);
 264     ret = fdt_setprop(fdt, node_off, "local-mac-address",
 265                       padded_mac, sizeof(padded_mac));
 266     if (ret < 0) {
 267         return ret;
 268     }
 269
 270     ret = fdt_setprop_cell(fdt, node_off, "ibm,mac-address-filters", 0);
 271     if (ret < 0) {
 272         return ret;
 273     }
 274
 275     return 0;
 276 }
 277
 278 static int check_bd(VIOsPAPRVLANDevice *dev, vlan_bd_t bd,
 279                     target_ulong alignment)
 280 {
 281     if ((VLAN_BD_ADDR(bd) % alignment)
 282         || (VLAN_BD_LEN(bd) % alignment)) {
 283         return -1;
 284     }
 285
 286     if (!spapr_vio_dma_valid(&dev->sdev, VLAN_BD_ADDR(bd),
 287                              VLAN_BD_LEN(bd), DMA_DIRECTION_FROM_DEVICE)
 288         || !spapr_vio_dma_valid(&dev->sdev, VLAN_BD_ADDR(bd),
 289                                 VLAN_BD_LEN(bd), DMA_DIRECTION_TO_DEVICE)) {
 290         return -1;
 291     }
 292
 293     return 0;
 294 }
 295
 296 static target_ulong h_register_logical_lan(PowerPCCPU *cpu,
 297                                            sPAPREnvironment *spapr,
 298                                            target_ulong opcode,
 299                                            target_ulong *args)
 300 {
 301     target_ulong reg = args[0];
 302     target_ulong buf_list = args[1];
 303     target_ulong rec_queue = args[2];
 304     target_ulong filter_list = args[3];
 305     VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
 306     VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev);
 307     vlan_bd_t filter_list_bd;
 308
 309     if (!dev) {
 310         return H_PARAMETER;
 311     }
 312
 313     if (dev->isopen) {
 314         hcall_dprintf("H_REGISTER_LOGICAL_LAN called twice without "
 315                       "H_FREE_LOGICAL_LAN\n");
 316         return H_RESOURCE;
 317     }
 318
 319     if (check_bd(dev, VLAN_VALID_BD(buf_list, SPAPR_TCE_PAGE_SIZE),
 320                  SPAPR_TCE_PAGE_SIZE) < 0) {
 321         hcall_dprintf("Bad buf_list 0x" TARGET_FMT_lx "\n", buf_list);
 322         return H_PARAMETER;
 323     }
 324
 325     filter_list_bd = VLAN_VALID_BD(filter_list, SPAPR_TCE_PAGE_SIZE);
 326     if (check_bd(dev, filter_list_bd, SPAPR_TCE_PAGE_SIZE) < 0) {
 327         hcall_dprintf("Bad filter_list 0x" TARGET_FMT_lx "\n", filter_list);
 328         return H_PARAMETER;
 329     }
 330
 331     if (!(rec_queue & VLAN_BD_VALID)
 332         || (check_bd(dev, rec_queue, VLAN_RQ_ALIGNMENT) < 0)) {
 333         hcall_dprintf("Bad receive queue\n");
 334         return H_PARAMETER;
 335     }
 336
 337     dev->buf_list = buf_list;
 338     sdev->signal_state = 0;
 339
 340     rec_queue &= ~VLAN_BD_TOGGLE;
 341
 342     /* Initialize the buffer list */
 343     vio_stq(sdev, buf_list, rec_queue);
 344     vio_stq(sdev, buf_list + 8, filter_list_bd);
 345     spapr_vio_dma_set(sdev, buf_list + VLAN_RX_BDS_OFF, 0,
 346                       SPAPR_TCE_PAGE_SIZE - VLAN_RX_BDS_OFF);
 347     dev->add_buf_ptr = VLAN_RX_BDS_OFF - 8;
 348     dev->use_buf_ptr = VLAN_RX_BDS_OFF - 8;
 349     dev->rx_bufs = 0;
 350     dev->rxq_ptr = 0;
 351
 352     /* Initialize the receive queue */
 353     spapr_vio_dma_set(sdev, VLAN_BD_ADDR(rec_queue), 0, VLAN_BD_LEN(rec_queue));
 354
 355     dev->isopen = 1;
 356     qemu_flush_queued_packets(qemu_get_queue(dev->nic));
 357
 358     return H_SUCCESS;
 359 }
 360
 361
 362 static target_ulong h_free_logical_lan(PowerPCCPU *cpu, sPAPREnvironment *spapr,
 363                                        target_ulong opcode, target_ulong *args)
 364 {
 365     target_ulong reg = args[0];
 366     VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
 367     VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev);
 368
 369     if (!dev) {
 370         return H_PARAMETER;
 371     }
 372
 373     if (!dev->isopen) {
 374         hcall_dprintf("H_FREE_LOGICAL_LAN called without "
 375                       "H_REGISTER_LOGICAL_LAN\n");
 376         return H_RESOURCE;
 377     }
 378
 379     spapr_vlan_reset(sdev);
 380     return H_SUCCESS;
 381 }
 382
 383 static target_ulong h_add_logical_lan_buffer(PowerPCCPU *cpu,
 384                                              sPAPREnvironment *spapr,
 385                                              target_ulong opcode,
 386                                              target_ulong *args)
 387 {
 388     target_ulong reg = args[0];
 389     target_ulong buf = args[1];
 390     VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
 391     VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev);
 392     vlan_bd_t bd;
 393
 394     DPRINTF("H_ADD_LOGICAL_LAN_BUFFER(0x" TARGET_FMT_lx
 395             ", 0x" TARGET_FMT_lx ")\n", reg, buf);
 396
 397     if (!sdev) {
 398         hcall_dprintf("Bad device\n");
 399         return H_PARAMETER;
 400     }
 401
 402     if ((check_bd(dev, buf, 4) < 0)
 403         || (VLAN_BD_LEN(buf) < 16)) {
 404         hcall_dprintf("Bad buffer enqueued\n");
 405         return H_PARAMETER;
 406     }
 407
 408     if (!dev->isopen || dev->rx_bufs >= VLAN_MAX_BUFS) {
 409         return H_RESOURCE;
 410     }
 411
 412     do {
 413         dev->add_buf_ptr += 8;
 414         if (dev->add_buf_ptr >= (VLAN_RX_BDS_LEN + VLAN_RX_BDS_OFF)) {
 415             dev->add_buf_ptr = VLAN_RX_BDS_OFF;
 416         }
 417
 418         bd = vio_ldq(sdev, dev->buf_list + dev->add_buf_ptr);
 419     } while (bd & VLAN_BD_VALID);
 420
 421     vio_stq(sdev, dev->buf_list + dev->add_buf_ptr, buf);
 422
 423     dev->rx_bufs++;
 424
 425     qemu_flush_queued_packets(qemu_get_queue(dev->nic));
 426
 427     DPRINTF("h_add_logical_lan_buffer():  Added buf  ptr=%d  rx_bufs=%d"
 428             " bd=0x%016llx\n", dev->add_buf_ptr, dev->rx_bufs,
 429             (unsigned long long)buf);
 430
 431     return H_SUCCESS;
 432 }
 433
 434 static target_ulong h_send_logical_lan(PowerPCCPU *cpu, sPAPREnvironment *spapr,
 435                                        target_ulong opcode, target_ulong *args)
 436 {
 437     target_ulong reg = args[0];
 438     target_ulong *bufs = args + 1;
 439     target_ulong continue_token = args[7];
 440     VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
 441     VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev);
 442     unsigned total_len;
 443     uint8_t *lbuf, *p;
 444     int i, nbufs;
 445     int ret;
 446
 447     DPRINTF("H_SEND_LOGICAL_LAN(0x" TARGET_FMT_lx ", <bufs>, 0x"
 448             TARGET_FMT_lx ")\n", reg, continue_token);
 449
 450     if (!sdev) {
 451         return H_PARAMETER;
 452     }
 453
 454     DPRINTF("rxbufs = %d\n", dev->rx_bufs);
 455
 456     if (!dev->isopen) {
 457         return H_DROPPED;
 458     }
 459
 460     if (continue_token) {
 461         return H_HARDWARE; /* FIXME actually handle this */
 462     }
 463
 464     total_len = 0;
 465     for (i = 0; i < 6; i++) {
 466         DPRINTF("   buf desc: 0x" TARGET_FMT_lx "\n", bufs[i]);
 467         if (!(bufs[i] & VLAN_BD_VALID)) {
 468             break;
 469         }
 470         total_len += VLAN_BD_LEN(bufs[i]);
 471     }
 472
 473     nbufs = i;
 474     DPRINTF("h_send_logical_lan() %d buffers, total length 0x%x\n",
 475             nbufs, total_len);
 476
 477     if (total_len == 0) {
 478         return H_SUCCESS;
 479     }
 480
 481     if (total_len > MAX_PACKET_SIZE) {
 482         /* Don't let the guest force too large an allocation */
 483         return H_RESOURCE;
 484     }
 485
 486     lbuf = alloca(total_len);
 487     p = lbuf;
 488     for (i = 0; i < nbufs; i++) {
 489         ret = spapr_vio_dma_read(sdev, VLAN_BD_ADDR(bufs[i]),
 490                                  p, VLAN_BD_LEN(bufs[i]));
 491         if (ret < 0) {
 492             return ret;
 493         }
 494
 495         p += VLAN_BD_LEN(bufs[i]);
 496     }
 497
 498     qemu_send_packet(qemu_get_queue(dev->nic), lbuf, total_len);
 499
 500     return H_SUCCESS;
 501 }
 502
 503 static target_ulong h_multicast_ctrl(PowerPCCPU *cpu, sPAPREnvironment *spapr,
 504                                      target_ulong opcode, target_ulong *args)
 505 {
 506     target_ulong reg = args[0];
 507     VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
 508
 509     if (!dev) {
 510         return H_PARAMETER;
 511     }
 512
 513     return H_SUCCESS;
 514 }
 515
 516 static Property spapr_vlan_properties[] = {
 517     DEFINE_SPAPR_PROPERTIES(VIOsPAPRVLANDevice, sdev),
 518     DEFINE_NIC_PROPERTIES(VIOsPAPRVLANDevice, nicconf),
 519     DEFINE_PROP_END_OF_LIST(),
 520 };
 521
 522 static const VMStateDescription vmstate_spapr_llan = {
 523     .name = "spapr_llan",
 524     .version_id = 1,
 525     .minimum_version_id = 1,
 526     .fields = (VMStateField[]) {
 527         VMSTATE_SPAPR_VIO(sdev, VIOsPAPRVLANDevice),
 528         /* LLAN state */
 529         VMSTATE_BOOL(isopen, VIOsPAPRVLANDevice),
 530         VMSTATE_UINTTL(buf_list, VIOsPAPRVLANDevice),
 531         VMSTATE_UINT32(add_buf_ptr, VIOsPAPRVLANDevice),
 532         VMSTATE_UINT32(use_buf_ptr, VIOsPAPRVLANDevice),
 533         VMSTATE_UINT32(rx_bufs, VIOsPAPRVLANDevice),
 534         VMSTATE_UINTTL(rxq_ptr, VIOsPAPRVLANDevice),
 535
 536         VMSTATE_END_OF_LIST()
 537     },
 538 };
 539
 540 static void spapr_vlan_class_init(ObjectClass *klass, void *data)
 541 {
 542     DeviceClass *dc = DEVICE_CLASS(klass);
 543     VIOsPAPRDeviceClass *k = VIO_SPAPR_DEVICE_CLASS(klass);
 544
 545     k->init = spapr_vlan_init;
 546     k->reset = spapr_vlan_reset;
 547     k->devnode = spapr_vlan_devnode;
 548     k->dt_name = "l-lan";
 549     k->dt_type = "network";
 550     k->dt_compatible = "IBM,l-lan";
 551     k->signal_mask = 0x1;
 552     set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
 553     dc->props = spapr_vlan_properties;
 554     k->rtce_window_size = 0x10000000;
 555     dc->vmsd = &vmstate_spapr_llan;
 556 }
 557
 558 static const TypeInfo spapr_vlan_info = {
 559     .name          = TYPE_VIO_SPAPR_VLAN_DEVICE,
 560     .parent        = TYPE_VIO_SPAPR_DEVICE,
 561     .instance_size = sizeof(VIOsPAPRVLANDevice),
 562     .class_init    = spapr_vlan_class_init,
 563     .instance_init = spapr_vlan_instance_init,
 564 };
 565
 566 static void spapr_vlan_register_types(void)
 567 {
 568     spapr_register_hypercall(H_REGISTER_LOGICAL_LAN, h_register_logical_lan);
 569     spapr_register_hypercall(H_FREE_LOGICAL_LAN, h_free_logical_lan);
 570     spapr_register_hypercall(H_SEND_LOGICAL_LAN, h_send_logical_lan);
 571     spapr_register_hypercall(H_ADD_LOGICAL_LAN_BUFFER,
 572                              h_add_logical_lan_buffer);
 573     spapr_register_hypercall(H_MULTICAST_CTRL, h_multicast_ctrl);
 574     type_register_static(&spapr_vlan_info);
 575 }
 576
 577 type_init(spapr_vlan_register_types)