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 add_boot_device_path(dev->nicconf.bootindex, DEVICE(dev), ""); 225 226 return 0; 227 } 228 229 void spapr_vlan_create(VIOsPAPRBus *bus, NICInfo *nd) 230 { 231 DeviceState *dev; 232 233 dev = qdev_create(&bus->bus, "spapr-vlan"); 234 235 qdev_set_nic_properties(dev, nd); 236 237 qdev_init_nofail(dev); 238 } 239 240 static int spapr_vlan_devnode(VIOsPAPRDevice *dev, void *fdt, int node_off) 241 { 242 VIOsPAPRVLANDevice *vdev = VIO_SPAPR_VLAN_DEVICE(dev); 243 uint8_t padded_mac[8] = {0, 0}; 244 int ret; 245 246 /* Some old phyp versions give the mac address in an 8-byte 247 * property. The kernel driver has an insane workaround for this; 248 * rather than doing the obvious thing and checking the property 249 * length, it checks whether the first byte has 0b10 in the low 250 * bits. If a correct 6-byte property has a different first byte 251 * the kernel will get the wrong mac address, overrunning its 252 * buffer in the process (read only, thank goodness). 253 * 254 * Here we workaround the kernel workaround by always supplying an 255 * 8-byte property, with the mac address in the last six bytes */ 256 memcpy(&padded_mac[2], &vdev->nicconf.macaddr, ETH_ALEN); 257 ret = fdt_setprop(fdt, node_off, "local-mac-address", 258 padded_mac, sizeof(padded_mac)); 259 if (ret < 0) { 260 return ret; 261 } 262 263 ret = fdt_setprop_cell(fdt, node_off, "ibm,mac-address-filters", 0); 264 if (ret < 0) { 265 return ret; 266 } 267 268 return 0; 269 } 270 271 static int check_bd(VIOsPAPRVLANDevice *dev, vlan_bd_t bd, 272 target_ulong alignment) 273 { 274 if ((VLAN_BD_ADDR(bd) % alignment) 275 || (VLAN_BD_LEN(bd) % alignment)) { 276 return -1; 277 } 278 279 if (!spapr_vio_dma_valid(&dev->sdev, VLAN_BD_ADDR(bd), 280 VLAN_BD_LEN(bd), DMA_DIRECTION_FROM_DEVICE) 281 || !spapr_vio_dma_valid(&dev->sdev, VLAN_BD_ADDR(bd), 282 VLAN_BD_LEN(bd), DMA_DIRECTION_TO_DEVICE)) { 283 return -1; 284 } 285 286 return 0; 287 } 288 289 static target_ulong h_register_logical_lan(PowerPCCPU *cpu, 290 sPAPREnvironment *spapr, 291 target_ulong opcode, 292 target_ulong *args) 293 { 294 target_ulong reg = args[0]; 295 target_ulong buf_list = args[1]; 296 target_ulong rec_queue = args[2]; 297 target_ulong filter_list = args[3]; 298 VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg); 299 VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev); 300 vlan_bd_t filter_list_bd; 301 302 if (!dev) { 303 return H_PARAMETER; 304 } 305 306 if (dev->isopen) { 307 hcall_dprintf("H_REGISTER_LOGICAL_LAN called twice without " 308 "H_FREE_LOGICAL_LAN\n"); 309 return H_RESOURCE; 310 } 311 312 if (check_bd(dev, VLAN_VALID_BD(buf_list, SPAPR_TCE_PAGE_SIZE), 313 SPAPR_TCE_PAGE_SIZE) < 0) { 314 hcall_dprintf("Bad buf_list 0x" TARGET_FMT_lx "\n", buf_list); 315 return H_PARAMETER; 316 } 317 318 filter_list_bd = VLAN_VALID_BD(filter_list, SPAPR_TCE_PAGE_SIZE); 319 if (check_bd(dev, filter_list_bd, SPAPR_TCE_PAGE_SIZE) < 0) { 320 hcall_dprintf("Bad filter_list 0x" TARGET_FMT_lx "\n", filter_list); 321 return H_PARAMETER; 322 } 323 324 if (!(rec_queue & VLAN_BD_VALID) 325 || (check_bd(dev, rec_queue, VLAN_RQ_ALIGNMENT) < 0)) { 326 hcall_dprintf("Bad receive queue\n"); 327 return H_PARAMETER; 328 } 329 330 dev->buf_list = buf_list; 331 sdev->signal_state = 0; 332 333 rec_queue &= ~VLAN_BD_TOGGLE; 334 335 /* Initialize the buffer list */ 336 vio_stq(sdev, buf_list, rec_queue); 337 vio_stq(sdev, buf_list + 8, filter_list_bd); 338 spapr_vio_dma_set(sdev, buf_list + VLAN_RX_BDS_OFF, 0, 339 SPAPR_TCE_PAGE_SIZE - VLAN_RX_BDS_OFF); 340 dev->add_buf_ptr = VLAN_RX_BDS_OFF - 8; 341 dev->use_buf_ptr = VLAN_RX_BDS_OFF - 8; 342 dev->rx_bufs = 0; 343 dev->rxq_ptr = 0; 344 345 /* Initialize the receive queue */ 346 spapr_vio_dma_set(sdev, VLAN_BD_ADDR(rec_queue), 0, VLAN_BD_LEN(rec_queue)); 347 348 dev->isopen = 1; 349 qemu_flush_queued_packets(qemu_get_queue(dev->nic)); 350 351 return H_SUCCESS; 352 } 353 354 355 static target_ulong h_free_logical_lan(PowerPCCPU *cpu, sPAPREnvironment *spapr, 356 target_ulong opcode, target_ulong *args) 357 { 358 target_ulong reg = args[0]; 359 VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg); 360 VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev); 361 362 if (!dev) { 363 return H_PARAMETER; 364 } 365 366 if (!dev->isopen) { 367 hcall_dprintf("H_FREE_LOGICAL_LAN called without " 368 "H_REGISTER_LOGICAL_LAN\n"); 369 return H_RESOURCE; 370 } 371 372 spapr_vlan_reset(sdev); 373 return H_SUCCESS; 374 } 375 376 static target_ulong h_add_logical_lan_buffer(PowerPCCPU *cpu, 377 sPAPREnvironment *spapr, 378 target_ulong opcode, 379 target_ulong *args) 380 { 381 target_ulong reg = args[0]; 382 target_ulong buf = args[1]; 383 VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg); 384 VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev); 385 vlan_bd_t bd; 386 387 DPRINTF("H_ADD_LOGICAL_LAN_BUFFER(0x" TARGET_FMT_lx 388 ", 0x" TARGET_FMT_lx ")\n", reg, buf); 389 390 if (!sdev) { 391 hcall_dprintf("Bad device\n"); 392 return H_PARAMETER; 393 } 394 395 if ((check_bd(dev, buf, 4) < 0) 396 || (VLAN_BD_LEN(buf) < 16)) { 397 hcall_dprintf("Bad buffer enqueued\n"); 398 return H_PARAMETER; 399 } 400 401 if (!dev->isopen || dev->rx_bufs >= VLAN_MAX_BUFS) { 402 return H_RESOURCE; 403 } 404 405 do { 406 dev->add_buf_ptr += 8; 407 if (dev->add_buf_ptr >= (VLAN_RX_BDS_LEN + VLAN_RX_BDS_OFF)) { 408 dev->add_buf_ptr = VLAN_RX_BDS_OFF; 409 } 410 411 bd = vio_ldq(sdev, dev->buf_list + dev->add_buf_ptr); 412 } while (bd & VLAN_BD_VALID); 413 414 vio_stq(sdev, dev->buf_list + dev->add_buf_ptr, buf); 415 416 dev->rx_bufs++; 417 418 qemu_flush_queued_packets(qemu_get_queue(dev->nic)); 419 420 DPRINTF("h_add_logical_lan_buffer(): Added buf ptr=%d rx_bufs=%d" 421 " bd=0x%016llx\n", dev->add_buf_ptr, dev->rx_bufs, 422 (unsigned long long)buf); 423 424 return H_SUCCESS; 425 } 426 427 static target_ulong h_send_logical_lan(PowerPCCPU *cpu, sPAPREnvironment *spapr, 428 target_ulong opcode, target_ulong *args) 429 { 430 target_ulong reg = args[0]; 431 target_ulong *bufs = args + 1; 432 target_ulong continue_token = args[7]; 433 VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg); 434 VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev); 435 unsigned total_len; 436 uint8_t *lbuf, *p; 437 int i, nbufs; 438 int ret; 439 440 DPRINTF("H_SEND_LOGICAL_LAN(0x" TARGET_FMT_lx ", <bufs>, 0x" 441 TARGET_FMT_lx ")\n", reg, continue_token); 442 443 if (!sdev) { 444 return H_PARAMETER; 445 } 446 447 DPRINTF("rxbufs = %d\n", dev->rx_bufs); 448 449 if (!dev->isopen) { 450 return H_DROPPED; 451 } 452 453 if (continue_token) { 454 return H_HARDWARE; /* FIXME actually handle this */ 455 } 456 457 total_len = 0; 458 for (i = 0; i < 6; i++) { 459 DPRINTF(" buf desc: 0x" TARGET_FMT_lx "\n", bufs[i]); 460 if (!(bufs[i] & VLAN_BD_VALID)) { 461 break; 462 } 463 total_len += VLAN_BD_LEN(bufs[i]); 464 } 465 466 nbufs = i; 467 DPRINTF("h_send_logical_lan() %d buffers, total length 0x%x\n", 468 nbufs, total_len); 469 470 if (total_len == 0) { 471 return H_SUCCESS; 472 } 473 474 if (total_len > MAX_PACKET_SIZE) { 475 /* Don't let the guest force too large an allocation */ 476 return H_RESOURCE; 477 } 478 479 lbuf = alloca(total_len); 480 p = lbuf; 481 for (i = 0; i < nbufs; i++) { 482 ret = spapr_vio_dma_read(sdev, VLAN_BD_ADDR(bufs[i]), 483 p, VLAN_BD_LEN(bufs[i])); 484 if (ret < 0) { 485 return ret; 486 } 487 488 p += VLAN_BD_LEN(bufs[i]); 489 } 490 491 qemu_send_packet(qemu_get_queue(dev->nic), lbuf, total_len); 492 493 return H_SUCCESS; 494 } 495 496 static target_ulong h_multicast_ctrl(PowerPCCPU *cpu, sPAPREnvironment *spapr, 497 target_ulong opcode, target_ulong *args) 498 { 499 target_ulong reg = args[0]; 500 VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg); 501 502 if (!dev) { 503 return H_PARAMETER; 504 } 505 506 return H_SUCCESS; 507 } 508 509 static Property spapr_vlan_properties[] = { 510 DEFINE_SPAPR_PROPERTIES(VIOsPAPRVLANDevice, sdev), 511 DEFINE_NIC_PROPERTIES(VIOsPAPRVLANDevice, nicconf), 512 DEFINE_PROP_END_OF_LIST(), 513 }; 514 515 static const VMStateDescription vmstate_spapr_llan = { 516 .name = "spapr_llan", 517 .version_id = 1, 518 .minimum_version_id = 1, 519 .fields = (VMStateField[]) { 520 VMSTATE_SPAPR_VIO(sdev, VIOsPAPRVLANDevice), 521 /* LLAN state */ 522 VMSTATE_BOOL(isopen, VIOsPAPRVLANDevice), 523 VMSTATE_UINTTL(buf_list, VIOsPAPRVLANDevice), 524 VMSTATE_UINT32(add_buf_ptr, VIOsPAPRVLANDevice), 525 VMSTATE_UINT32(use_buf_ptr, VIOsPAPRVLANDevice), 526 VMSTATE_UINT32(rx_bufs, VIOsPAPRVLANDevice), 527 VMSTATE_UINTTL(rxq_ptr, VIOsPAPRVLANDevice), 528 529 VMSTATE_END_OF_LIST() 530 }, 531 }; 532 533 static void spapr_vlan_class_init(ObjectClass *klass, void *data) 534 { 535 DeviceClass *dc = DEVICE_CLASS(klass); 536 VIOsPAPRDeviceClass *k = VIO_SPAPR_DEVICE_CLASS(klass); 537 538 k->init = spapr_vlan_init; 539 k->reset = spapr_vlan_reset; 540 k->devnode = spapr_vlan_devnode; 541 k->dt_name = "l-lan"; 542 k->dt_type = "network"; 543 k->dt_compatible = "IBM,l-lan"; 544 k->signal_mask = 0x1; 545 set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); 546 dc->props = spapr_vlan_properties; 547 k->rtce_window_size = 0x10000000; 548 dc->vmsd = &vmstate_spapr_llan; 549 } 550 551 static const TypeInfo spapr_vlan_info = { 552 .name = TYPE_VIO_SPAPR_VLAN_DEVICE, 553 .parent = TYPE_VIO_SPAPR_DEVICE, 554 .instance_size = sizeof(VIOsPAPRVLANDevice), 555 .class_init = spapr_vlan_class_init, 556 }; 557 558 static void spapr_vlan_register_types(void) 559 { 560 spapr_register_hypercall(H_REGISTER_LOGICAL_LAN, h_register_logical_lan); 561 spapr_register_hypercall(H_FREE_LOGICAL_LAN, h_free_logical_lan); 562 spapr_register_hypercall(H_SEND_LOGICAL_LAN, h_send_logical_lan); 563 spapr_register_hypercall(H_ADD_LOGICAL_LAN_BUFFER, 564 h_add_logical_lan_buffer); 565 spapr_register_hypercall(H_MULTICAST_CTRL, h_multicast_ctrl); 566 type_register_static(&spapr_vlan_info); 567 } 568 569 type_init(spapr_vlan_register_types) 570