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 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 }; 196 197 static void spapr_vlan_reset(VIOsPAPRDevice *sdev) 198 { 199 VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev); 200 201 dev->buf_list = 0; 202 dev->rx_bufs = 0; 203 dev->isopen = 0; 204 } 205 206 static void spapr_vlan_realize(VIOsPAPRDevice *sdev, Error **errp) 207 { 208 VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev); 209 210 qemu_macaddr_default_if_unset(&dev->nicconf.macaddr); 211 212 dev->nic = qemu_new_nic(&net_spapr_vlan_info, &dev->nicconf, 213 object_get_typename(OBJECT(sdev)), sdev->qdev.id, dev); 214 qemu_format_nic_info_str(qemu_get_queue(dev->nic), dev->nicconf.macaddr.a); 215 } 216 217 static void spapr_vlan_instance_init(Object *obj) 218 { 219 VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(obj); 220 221 device_add_bootindex_property(obj, &dev->nicconf.bootindex, 222 "bootindex", "", 223 DEVICE(dev), NULL); 224 } 225 226 void spapr_vlan_create(VIOsPAPRBus *bus, NICInfo *nd) 227 { 228 DeviceState *dev; 229 230 dev = qdev_create(&bus->bus, "spapr-vlan"); 231 232 qdev_set_nic_properties(dev, nd); 233 234 qdev_init_nofail(dev); 235 } 236 237 static int spapr_vlan_devnode(VIOsPAPRDevice *dev, void *fdt, int node_off) 238 { 239 VIOsPAPRVLANDevice *vdev = VIO_SPAPR_VLAN_DEVICE(dev); 240 uint8_t padded_mac[8] = {0, 0}; 241 int ret; 242 243 /* Some old phyp versions give the mac address in an 8-byte 244 * property. The kernel driver has an insane workaround for this; 245 * rather than doing the obvious thing and checking the property 246 * length, it checks whether the first byte has 0b10 in the low 247 * bits. If a correct 6-byte property has a different first byte 248 * the kernel will get the wrong mac address, overrunning its 249 * buffer in the process (read only, thank goodness). 250 * 251 * Here we workaround the kernel workaround by always supplying an 252 * 8-byte property, with the mac address in the last six bytes */ 253 memcpy(&padded_mac[2], &vdev->nicconf.macaddr, ETH_ALEN); 254 ret = fdt_setprop(fdt, node_off, "local-mac-address", 255 padded_mac, sizeof(padded_mac)); 256 if (ret < 0) { 257 return ret; 258 } 259 260 ret = fdt_setprop_cell(fdt, node_off, "ibm,mac-address-filters", 0); 261 if (ret < 0) { 262 return ret; 263 } 264 265 return 0; 266 } 267 268 static int check_bd(VIOsPAPRVLANDevice *dev, vlan_bd_t bd, 269 target_ulong alignment) 270 { 271 if ((VLAN_BD_ADDR(bd) % alignment) 272 || (VLAN_BD_LEN(bd) % alignment)) { 273 return -1; 274 } 275 276 if (!spapr_vio_dma_valid(&dev->sdev, VLAN_BD_ADDR(bd), 277 VLAN_BD_LEN(bd), DMA_DIRECTION_FROM_DEVICE) 278 || !spapr_vio_dma_valid(&dev->sdev, VLAN_BD_ADDR(bd), 279 VLAN_BD_LEN(bd), DMA_DIRECTION_TO_DEVICE)) { 280 return -1; 281 } 282 283 return 0; 284 } 285 286 static target_ulong h_register_logical_lan(PowerPCCPU *cpu, 287 sPAPREnvironment *spapr, 288 target_ulong opcode, 289 target_ulong *args) 290 { 291 target_ulong reg = args[0]; 292 target_ulong buf_list = args[1]; 293 target_ulong rec_queue = args[2]; 294 target_ulong filter_list = args[3]; 295 VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg); 296 VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev); 297 vlan_bd_t filter_list_bd; 298 299 if (!dev) { 300 return H_PARAMETER; 301 } 302 303 if (dev->isopen) { 304 hcall_dprintf("H_REGISTER_LOGICAL_LAN called twice without " 305 "H_FREE_LOGICAL_LAN\n"); 306 return H_RESOURCE; 307 } 308 309 if (check_bd(dev, VLAN_VALID_BD(buf_list, SPAPR_TCE_PAGE_SIZE), 310 SPAPR_TCE_PAGE_SIZE) < 0) { 311 hcall_dprintf("Bad buf_list 0x" TARGET_FMT_lx "\n", buf_list); 312 return H_PARAMETER; 313 } 314 315 filter_list_bd = VLAN_VALID_BD(filter_list, SPAPR_TCE_PAGE_SIZE); 316 if (check_bd(dev, filter_list_bd, SPAPR_TCE_PAGE_SIZE) < 0) { 317 hcall_dprintf("Bad filter_list 0x" TARGET_FMT_lx "\n", filter_list); 318 return H_PARAMETER; 319 } 320 321 if (!(rec_queue & VLAN_BD_VALID) 322 || (check_bd(dev, rec_queue, VLAN_RQ_ALIGNMENT) < 0)) { 323 hcall_dprintf("Bad receive queue\n"); 324 return H_PARAMETER; 325 } 326 327 dev->buf_list = buf_list; 328 sdev->signal_state = 0; 329 330 rec_queue &= ~VLAN_BD_TOGGLE; 331 332 /* Initialize the buffer list */ 333 vio_stq(sdev, buf_list, rec_queue); 334 vio_stq(sdev, buf_list + 8, filter_list_bd); 335 spapr_vio_dma_set(sdev, buf_list + VLAN_RX_BDS_OFF, 0, 336 SPAPR_TCE_PAGE_SIZE - VLAN_RX_BDS_OFF); 337 dev->add_buf_ptr = VLAN_RX_BDS_OFF - 8; 338 dev->use_buf_ptr = VLAN_RX_BDS_OFF - 8; 339 dev->rx_bufs = 0; 340 dev->rxq_ptr = 0; 341 342 /* Initialize the receive queue */ 343 spapr_vio_dma_set(sdev, VLAN_BD_ADDR(rec_queue), 0, VLAN_BD_LEN(rec_queue)); 344 345 dev->isopen = 1; 346 qemu_flush_queued_packets(qemu_get_queue(dev->nic)); 347 348 return H_SUCCESS; 349 } 350 351 352 static target_ulong h_free_logical_lan(PowerPCCPU *cpu, sPAPREnvironment *spapr, 353 target_ulong opcode, target_ulong *args) 354 { 355 target_ulong reg = args[0]; 356 VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg); 357 VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev); 358 359 if (!dev) { 360 return H_PARAMETER; 361 } 362 363 if (!dev->isopen) { 364 hcall_dprintf("H_FREE_LOGICAL_LAN called without " 365 "H_REGISTER_LOGICAL_LAN\n"); 366 return H_RESOURCE; 367 } 368 369 spapr_vlan_reset(sdev); 370 return H_SUCCESS; 371 } 372 373 static target_ulong h_add_logical_lan_buffer(PowerPCCPU *cpu, 374 sPAPREnvironment *spapr, 375 target_ulong opcode, 376 target_ulong *args) 377 { 378 target_ulong reg = args[0]; 379 target_ulong buf = args[1]; 380 VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg); 381 VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev); 382 vlan_bd_t bd; 383 384 DPRINTF("H_ADD_LOGICAL_LAN_BUFFER(0x" TARGET_FMT_lx 385 ", 0x" TARGET_FMT_lx ")\n", reg, buf); 386 387 if (!sdev) { 388 hcall_dprintf("Bad device\n"); 389 return H_PARAMETER; 390 } 391 392 if ((check_bd(dev, buf, 4) < 0) 393 || (VLAN_BD_LEN(buf) < 16)) { 394 hcall_dprintf("Bad buffer enqueued\n"); 395 return H_PARAMETER; 396 } 397 398 if (!dev->isopen || dev->rx_bufs >= VLAN_MAX_BUFS) { 399 return H_RESOURCE; 400 } 401 402 do { 403 dev->add_buf_ptr += 8; 404 if (dev->add_buf_ptr >= (VLAN_RX_BDS_LEN + VLAN_RX_BDS_OFF)) { 405 dev->add_buf_ptr = VLAN_RX_BDS_OFF; 406 } 407 408 bd = vio_ldq(sdev, dev->buf_list + dev->add_buf_ptr); 409 } while (bd & VLAN_BD_VALID); 410 411 vio_stq(sdev, dev->buf_list + dev->add_buf_ptr, buf); 412 413 dev->rx_bufs++; 414 415 qemu_flush_queued_packets(qemu_get_queue(dev->nic)); 416 417 DPRINTF("h_add_logical_lan_buffer(): Added buf ptr=%d rx_bufs=%d" 418 " bd=0x%016llx\n", dev->add_buf_ptr, dev->rx_bufs, 419 (unsigned long long)buf); 420 421 return H_SUCCESS; 422 } 423 424 static target_ulong h_send_logical_lan(PowerPCCPU *cpu, sPAPREnvironment *spapr, 425 target_ulong opcode, target_ulong *args) 426 { 427 target_ulong reg = args[0]; 428 target_ulong *bufs = args + 1; 429 target_ulong continue_token = args[7]; 430 VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg); 431 VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev); 432 unsigned total_len; 433 uint8_t *lbuf, *p; 434 int i, nbufs; 435 int ret; 436 437 DPRINTF("H_SEND_LOGICAL_LAN(0x" TARGET_FMT_lx ", <bufs>, 0x" 438 TARGET_FMT_lx ")\n", reg, continue_token); 439 440 if (!sdev) { 441 return H_PARAMETER; 442 } 443 444 DPRINTF("rxbufs = %d\n", dev->rx_bufs); 445 446 if (!dev->isopen) { 447 return H_DROPPED; 448 } 449 450 if (continue_token) { 451 return H_HARDWARE; /* FIXME actually handle this */ 452 } 453 454 total_len = 0; 455 for (i = 0; i < 6; i++) { 456 DPRINTF(" buf desc: 0x" TARGET_FMT_lx "\n", bufs[i]); 457 if (!(bufs[i] & VLAN_BD_VALID)) { 458 break; 459 } 460 total_len += VLAN_BD_LEN(bufs[i]); 461 } 462 463 nbufs = i; 464 DPRINTF("h_send_logical_lan() %d buffers, total length 0x%x\n", 465 nbufs, total_len); 466 467 if (total_len == 0) { 468 return H_SUCCESS; 469 } 470 471 if (total_len > MAX_PACKET_SIZE) { 472 /* Don't let the guest force too large an allocation */ 473 return H_RESOURCE; 474 } 475 476 lbuf = alloca(total_len); 477 p = lbuf; 478 for (i = 0; i < nbufs; i++) { 479 ret = spapr_vio_dma_read(sdev, VLAN_BD_ADDR(bufs[i]), 480 p, VLAN_BD_LEN(bufs[i])); 481 if (ret < 0) { 482 return ret; 483 } 484 485 p += VLAN_BD_LEN(bufs[i]); 486 } 487 488 qemu_send_packet(qemu_get_queue(dev->nic), lbuf, total_len); 489 490 return H_SUCCESS; 491 } 492 493 static target_ulong h_multicast_ctrl(PowerPCCPU *cpu, sPAPREnvironment *spapr, 494 target_ulong opcode, target_ulong *args) 495 { 496 target_ulong reg = args[0]; 497 VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg); 498 499 if (!dev) { 500 return H_PARAMETER; 501 } 502 503 return H_SUCCESS; 504 } 505 506 static Property spapr_vlan_properties[] = { 507 DEFINE_SPAPR_PROPERTIES(VIOsPAPRVLANDevice, sdev), 508 DEFINE_NIC_PROPERTIES(VIOsPAPRVLANDevice, nicconf), 509 DEFINE_PROP_END_OF_LIST(), 510 }; 511 512 static const VMStateDescription vmstate_spapr_llan = { 513 .name = "spapr_llan", 514 .version_id = 1, 515 .minimum_version_id = 1, 516 .fields = (VMStateField[]) { 517 VMSTATE_SPAPR_VIO(sdev, VIOsPAPRVLANDevice), 518 /* LLAN state */ 519 VMSTATE_BOOL(isopen, VIOsPAPRVLANDevice), 520 VMSTATE_UINTTL(buf_list, VIOsPAPRVLANDevice), 521 VMSTATE_UINT32(add_buf_ptr, VIOsPAPRVLANDevice), 522 VMSTATE_UINT32(use_buf_ptr, VIOsPAPRVLANDevice), 523 VMSTATE_UINT32(rx_bufs, VIOsPAPRVLANDevice), 524 VMSTATE_UINTTL(rxq_ptr, VIOsPAPRVLANDevice), 525 526 VMSTATE_END_OF_LIST() 527 }, 528 }; 529 530 static void spapr_vlan_class_init(ObjectClass *klass, void *data) 531 { 532 DeviceClass *dc = DEVICE_CLASS(klass); 533 VIOsPAPRDeviceClass *k = VIO_SPAPR_DEVICE_CLASS(klass); 534 535 k->realize = spapr_vlan_realize; 536 k->reset = spapr_vlan_reset; 537 k->devnode = spapr_vlan_devnode; 538 k->dt_name = "l-lan"; 539 k->dt_type = "network"; 540 k->dt_compatible = "IBM,l-lan"; 541 k->signal_mask = 0x1; 542 set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); 543 dc->props = spapr_vlan_properties; 544 k->rtce_window_size = 0x10000000; 545 dc->vmsd = &vmstate_spapr_llan; 546 } 547 548 static const TypeInfo spapr_vlan_info = { 549 .name = TYPE_VIO_SPAPR_VLAN_DEVICE, 550 .parent = TYPE_VIO_SPAPR_DEVICE, 551 .instance_size = sizeof(VIOsPAPRVLANDevice), 552 .class_init = spapr_vlan_class_init, 553 .instance_init = spapr_vlan_instance_init, 554 }; 555 556 static void spapr_vlan_register_types(void) 557 { 558 spapr_register_hypercall(H_REGISTER_LOGICAL_LAN, h_register_logical_lan); 559 spapr_register_hypercall(H_FREE_LOGICAL_LAN, h_free_logical_lan); 560 spapr_register_hypercall(H_SEND_LOGICAL_LAN, h_send_logical_lan); 561 spapr_register_hypercall(H_ADD_LOGICAL_LAN_BUFFER, 562 h_add_logical_lan_buffer); 563 spapr_register_hypercall(H_MULTICAST_CTRL, h_multicast_ctrl); 564 type_register_static(&spapr_vlan_info); 565 } 566 567 type_init(spapr_vlan_register_types) 568