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 "qemu/osdep.h" 28 #include "qemu-common.h" 29 #include "cpu.h" 30 #include "hw/hw.h" 31 #include "net/net.h" 32 #include "hw/qdev.h" 33 #include "hw/ppc/spapr.h" 34 #include "hw/ppc/spapr_vio.h" 35 #include "sysemu/sysemu.h" 36 37 #include <libfdt.h> 38 39 #define ETH_ALEN 6 40 #define MAX_PACKET_SIZE 65536 41 42 /*#define DEBUG*/ 43 44 #ifdef DEBUG 45 #define DPRINTF(fmt...) do { fprintf(stderr, fmt); } while (0) 46 #else 47 #define DPRINTF(fmt...) 48 #endif 49 50 /* 51 * Virtual LAN device 52 */ 53 54 typedef uint64_t vlan_bd_t; 55 56 #define VLAN_BD_VALID 0x8000000000000000ULL 57 #define VLAN_BD_TOGGLE 0x4000000000000000ULL 58 #define VLAN_BD_NO_CSUM 0x0200000000000000ULL 59 #define VLAN_BD_CSUM_GOOD 0x0100000000000000ULL 60 #define VLAN_BD_LEN_MASK 0x00ffffff00000000ULL 61 #define VLAN_BD_LEN(bd) (((bd) & VLAN_BD_LEN_MASK) >> 32) 62 #define VLAN_BD_ADDR_MASK 0x00000000ffffffffULL 63 #define VLAN_BD_ADDR(bd) ((bd) & VLAN_BD_ADDR_MASK) 64 65 #define VLAN_VALID_BD(addr, len) (VLAN_BD_VALID | \ 66 (((len) << 32) & VLAN_BD_LEN_MASK) | \ 67 (addr & VLAN_BD_ADDR_MASK)) 68 69 #define VLAN_RXQC_TOGGLE 0x80 70 #define VLAN_RXQC_VALID 0x40 71 #define VLAN_RXQC_NO_CSUM 0x02 72 #define VLAN_RXQC_CSUM_GOOD 0x01 73 74 #define VLAN_RQ_ALIGNMENT 16 75 #define VLAN_RXQ_BD_OFF 0 76 #define VLAN_FILTER_BD_OFF 8 77 #define VLAN_RX_BDS_OFF 16 78 /* 79 * The final 8 bytes of the buffer list is a counter of frames dropped 80 * because there was not a buffer in the buffer list capable of holding 81 * the frame. We must avoid it, or the operating system will report garbage 82 * for this statistic. 83 */ 84 #define VLAN_RX_BDS_LEN (SPAPR_TCE_PAGE_SIZE - VLAN_RX_BDS_OFF - 8) 85 #define VLAN_MAX_BUFS (VLAN_RX_BDS_LEN / 8) 86 87 #define TYPE_VIO_SPAPR_VLAN_DEVICE "spapr-vlan" 88 #define VIO_SPAPR_VLAN_DEVICE(obj) \ 89 OBJECT_CHECK(VIOsPAPRVLANDevice, (obj), TYPE_VIO_SPAPR_VLAN_DEVICE) 90 91 typedef struct VIOsPAPRVLANDevice { 92 VIOsPAPRDevice sdev; 93 NICConf nicconf; 94 NICState *nic; 95 bool isopen; 96 target_ulong buf_list; 97 uint32_t add_buf_ptr, use_buf_ptr, rx_bufs; 98 target_ulong rxq_ptr; 99 } VIOsPAPRVLANDevice; 100 101 static int spapr_vlan_can_receive(NetClientState *nc) 102 { 103 VIOsPAPRVLANDevice *dev = qemu_get_nic_opaque(nc); 104 105 return (dev->isopen && dev->rx_bufs > 0); 106 } 107 108 static ssize_t spapr_vlan_receive(NetClientState *nc, const uint8_t *buf, 109 size_t size) 110 { 111 VIOsPAPRVLANDevice *dev = qemu_get_nic_opaque(nc); 112 VIOsPAPRDevice *sdev = VIO_SPAPR_DEVICE(dev); 113 vlan_bd_t rxq_bd = vio_ldq(sdev, dev->buf_list + VLAN_RXQ_BD_OFF); 114 vlan_bd_t bd; 115 int buf_ptr = dev->use_buf_ptr; 116 uint64_t handle; 117 uint8_t control; 118 119 DPRINTF("spapr_vlan_receive() [%s] rx_bufs=%d\n", sdev->qdev.id, 120 dev->rx_bufs); 121 122 if (!dev->isopen) { 123 return -1; 124 } 125 126 if (!dev->rx_bufs) { 127 return -1; 128 } 129 130 do { 131 buf_ptr += 8; 132 if (buf_ptr >= (VLAN_RX_BDS_LEN + VLAN_RX_BDS_OFF)) { 133 buf_ptr = VLAN_RX_BDS_OFF; 134 } 135 136 bd = vio_ldq(sdev, dev->buf_list + buf_ptr); 137 DPRINTF("use_buf_ptr=%d bd=0x%016llx\n", 138 buf_ptr, (unsigned long long)bd); 139 } while ((!(bd & VLAN_BD_VALID) || (VLAN_BD_LEN(bd) < (size + 8))) 140 && (buf_ptr != dev->use_buf_ptr)); 141 142 if (!(bd & VLAN_BD_VALID) || (VLAN_BD_LEN(bd) < (size + 8))) { 143 /* Failed to find a suitable buffer */ 144 return -1; 145 } 146 147 /* Remove the buffer from the pool */ 148 dev->rx_bufs--; 149 dev->use_buf_ptr = buf_ptr; 150 vio_stq(sdev, dev->buf_list + dev->use_buf_ptr, 0); 151 152 DPRINTF("Found buffer: ptr=%d num=%d\n", dev->use_buf_ptr, dev->rx_bufs); 153 154 /* Transfer the packet data */ 155 if (spapr_vio_dma_write(sdev, VLAN_BD_ADDR(bd) + 8, buf, size) < 0) { 156 return -1; 157 } 158 159 DPRINTF("spapr_vlan_receive: DMA write completed\n"); 160 161 /* Update the receive queue */ 162 control = VLAN_RXQC_TOGGLE | VLAN_RXQC_VALID; 163 if (rxq_bd & VLAN_BD_TOGGLE) { 164 control ^= VLAN_RXQC_TOGGLE; 165 } 166 167 handle = vio_ldq(sdev, VLAN_BD_ADDR(bd)); 168 vio_stq(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr + 8, handle); 169 vio_stl(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr + 4, size); 170 vio_sth(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr + 2, 8); 171 vio_stb(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr, control); 172 173 DPRINTF("wrote rxq entry (ptr=0x%llx): 0x%016llx 0x%016llx\n", 174 (unsigned long long)dev->rxq_ptr, 175 (unsigned long long)vio_ldq(sdev, VLAN_BD_ADDR(rxq_bd) + 176 dev->rxq_ptr), 177 (unsigned long long)vio_ldq(sdev, VLAN_BD_ADDR(rxq_bd) + 178 dev->rxq_ptr + 8)); 179 180 dev->rxq_ptr += 16; 181 if (dev->rxq_ptr >= VLAN_BD_LEN(rxq_bd)) { 182 dev->rxq_ptr = 0; 183 vio_stq(sdev, dev->buf_list + VLAN_RXQ_BD_OFF, rxq_bd ^ VLAN_BD_TOGGLE); 184 } 185 186 if (sdev->signal_state & 1) { 187 qemu_irq_pulse(spapr_vio_qirq(sdev)); 188 } 189 190 return size; 191 } 192 193 static NetClientInfo net_spapr_vlan_info = { 194 .type = NET_CLIENT_OPTIONS_KIND_NIC, 195 .size = sizeof(NICState), 196 .can_receive = spapr_vlan_can_receive, 197 .receive = spapr_vlan_receive, 198 }; 199 200 static void spapr_vlan_reset(VIOsPAPRDevice *sdev) 201 { 202 VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev); 203 204 dev->buf_list = 0; 205 dev->rx_bufs = 0; 206 dev->isopen = 0; 207 } 208 209 static void spapr_vlan_realize(VIOsPAPRDevice *sdev, Error **errp) 210 { 211 VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev); 212 213 qemu_macaddr_default_if_unset(&dev->nicconf.macaddr); 214 215 dev->nic = qemu_new_nic(&net_spapr_vlan_info, &dev->nicconf, 216 object_get_typename(OBJECT(sdev)), sdev->qdev.id, dev); 217 qemu_format_nic_info_str(qemu_get_queue(dev->nic), dev->nicconf.macaddr.a); 218 } 219 220 static void spapr_vlan_instance_init(Object *obj) 221 { 222 VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(obj); 223 224 device_add_bootindex_property(obj, &dev->nicconf.bootindex, 225 "bootindex", "", 226 DEVICE(dev), NULL); 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 sPAPRMachineState *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, 356 sPAPRMachineState *spapr, 357 target_ulong opcode, target_ulong *args) 358 { 359 target_ulong reg = args[0]; 360 VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg); 361 VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev); 362 363 if (!dev) { 364 return H_PARAMETER; 365 } 366 367 if (!dev->isopen) { 368 hcall_dprintf("H_FREE_LOGICAL_LAN called without " 369 "H_REGISTER_LOGICAL_LAN\n"); 370 return H_RESOURCE; 371 } 372 373 spapr_vlan_reset(sdev); 374 return H_SUCCESS; 375 } 376 377 static target_ulong h_add_logical_lan_buffer(PowerPCCPU *cpu, 378 sPAPRMachineState *spapr, 379 target_ulong opcode, 380 target_ulong *args) 381 { 382 target_ulong reg = args[0]; 383 target_ulong buf = args[1]; 384 VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg); 385 VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev); 386 vlan_bd_t bd; 387 388 DPRINTF("H_ADD_LOGICAL_LAN_BUFFER(0x" TARGET_FMT_lx 389 ", 0x" TARGET_FMT_lx ")\n", reg, buf); 390 391 if (!sdev) { 392 hcall_dprintf("Bad device\n"); 393 return H_PARAMETER; 394 } 395 396 if ((check_bd(dev, buf, 4) < 0) 397 || (VLAN_BD_LEN(buf) < 16)) { 398 hcall_dprintf("Bad buffer enqueued\n"); 399 return H_PARAMETER; 400 } 401 402 if (!dev->isopen || dev->rx_bufs >= VLAN_MAX_BUFS) { 403 return H_RESOURCE; 404 } 405 406 do { 407 dev->add_buf_ptr += 8; 408 if (dev->add_buf_ptr >= (VLAN_RX_BDS_LEN + VLAN_RX_BDS_OFF)) { 409 dev->add_buf_ptr = VLAN_RX_BDS_OFF; 410 } 411 412 bd = vio_ldq(sdev, dev->buf_list + dev->add_buf_ptr); 413 } while (bd & VLAN_BD_VALID); 414 415 vio_stq(sdev, dev->buf_list + dev->add_buf_ptr, buf); 416 417 dev->rx_bufs++; 418 419 qemu_flush_queued_packets(qemu_get_queue(dev->nic)); 420 421 DPRINTF("h_add_logical_lan_buffer(): Added buf ptr=%d rx_bufs=%d" 422 " bd=0x%016llx\n", dev->add_buf_ptr, dev->rx_bufs, 423 (unsigned long long)buf); 424 425 return H_SUCCESS; 426 } 427 428 static target_ulong h_send_logical_lan(PowerPCCPU *cpu, 429 sPAPRMachineState *spapr, 430 target_ulong opcode, target_ulong *args) 431 { 432 target_ulong reg = args[0]; 433 target_ulong *bufs = args + 1; 434 target_ulong continue_token = args[7]; 435 VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg); 436 VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev); 437 unsigned total_len; 438 uint8_t *lbuf, *p; 439 int i, nbufs; 440 int ret; 441 442 DPRINTF("H_SEND_LOGICAL_LAN(0x" TARGET_FMT_lx ", <bufs>, 0x" 443 TARGET_FMT_lx ")\n", reg, continue_token); 444 445 if (!sdev) { 446 return H_PARAMETER; 447 } 448 449 DPRINTF("rxbufs = %d\n", dev->rx_bufs); 450 451 if (!dev->isopen) { 452 return H_DROPPED; 453 } 454 455 if (continue_token) { 456 return H_HARDWARE; /* FIXME actually handle this */ 457 } 458 459 total_len = 0; 460 for (i = 0; i < 6; i++) { 461 DPRINTF(" buf desc: 0x" TARGET_FMT_lx "\n", bufs[i]); 462 if (!(bufs[i] & VLAN_BD_VALID)) { 463 break; 464 } 465 total_len += VLAN_BD_LEN(bufs[i]); 466 } 467 468 nbufs = i; 469 DPRINTF("h_send_logical_lan() %d buffers, total length 0x%x\n", 470 nbufs, total_len); 471 472 if (total_len == 0) { 473 return H_SUCCESS; 474 } 475 476 if (total_len > MAX_PACKET_SIZE) { 477 /* Don't let the guest force too large an allocation */ 478 return H_RESOURCE; 479 } 480 481 lbuf = alloca(total_len); 482 p = lbuf; 483 for (i = 0; i < nbufs; i++) { 484 ret = spapr_vio_dma_read(sdev, VLAN_BD_ADDR(bufs[i]), 485 p, VLAN_BD_LEN(bufs[i])); 486 if (ret < 0) { 487 return ret; 488 } 489 490 p += VLAN_BD_LEN(bufs[i]); 491 } 492 493 qemu_send_packet(qemu_get_queue(dev->nic), lbuf, total_len); 494 495 return H_SUCCESS; 496 } 497 498 static target_ulong h_multicast_ctrl(PowerPCCPU *cpu, sPAPRMachineState *spapr, 499 target_ulong opcode, target_ulong *args) 500 { 501 target_ulong reg = args[0]; 502 VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg); 503 504 if (!dev) { 505 return H_PARAMETER; 506 } 507 508 return H_SUCCESS; 509 } 510 511 static Property spapr_vlan_properties[] = { 512 DEFINE_SPAPR_PROPERTIES(VIOsPAPRVLANDevice, sdev), 513 DEFINE_NIC_PROPERTIES(VIOsPAPRVLANDevice, nicconf), 514 DEFINE_PROP_END_OF_LIST(), 515 }; 516 517 static const VMStateDescription vmstate_spapr_llan = { 518 .name = "spapr_llan", 519 .version_id = 1, 520 .minimum_version_id = 1, 521 .fields = (VMStateField[]) { 522 VMSTATE_SPAPR_VIO(sdev, VIOsPAPRVLANDevice), 523 /* LLAN state */ 524 VMSTATE_BOOL(isopen, VIOsPAPRVLANDevice), 525 VMSTATE_UINTTL(buf_list, VIOsPAPRVLANDevice), 526 VMSTATE_UINT32(add_buf_ptr, VIOsPAPRVLANDevice), 527 VMSTATE_UINT32(use_buf_ptr, VIOsPAPRVLANDevice), 528 VMSTATE_UINT32(rx_bufs, VIOsPAPRVLANDevice), 529 VMSTATE_UINTTL(rxq_ptr, VIOsPAPRVLANDevice), 530 531 VMSTATE_END_OF_LIST() 532 }, 533 }; 534 535 static void spapr_vlan_class_init(ObjectClass *klass, void *data) 536 { 537 DeviceClass *dc = DEVICE_CLASS(klass); 538 VIOsPAPRDeviceClass *k = VIO_SPAPR_DEVICE_CLASS(klass); 539 540 k->realize = spapr_vlan_realize; 541 k->reset = spapr_vlan_reset; 542 k->devnode = spapr_vlan_devnode; 543 k->dt_name = "l-lan"; 544 k->dt_type = "network"; 545 k->dt_compatible = "IBM,l-lan"; 546 k->signal_mask = 0x1; 547 set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); 548 dc->props = spapr_vlan_properties; 549 k->rtce_window_size = 0x10000000; 550 dc->vmsd = &vmstate_spapr_llan; 551 } 552 553 static const TypeInfo spapr_vlan_info = { 554 .name = TYPE_VIO_SPAPR_VLAN_DEVICE, 555 .parent = TYPE_VIO_SPAPR_DEVICE, 556 .instance_size = sizeof(VIOsPAPRVLANDevice), 557 .class_init = spapr_vlan_class_init, 558 .instance_init = spapr_vlan_instance_init, 559 }; 560 561 static void spapr_vlan_register_types(void) 562 { 563 spapr_register_hypercall(H_REGISTER_LOGICAL_LAN, h_register_logical_lan); 564 spapr_register_hypercall(H_FREE_LOGICAL_LAN, h_free_logical_lan); 565 spapr_register_hypercall(H_SEND_LOGICAL_LAN, h_send_logical_lan); 566 spapr_register_hypercall(H_ADD_LOGICAL_LAN_BUFFER, 567 h_add_logical_lan_buffer); 568 spapr_register_hypercall(H_MULTICAST_CTRL, h_multicast_ctrl); 569 type_register_static(&spapr_vlan_info); 570 } 571 572 type_init(spapr_vlan_register_types) 573