hw/net/e1000e.c

   1 /*
   2 * QEMU INTEL 82574 GbE NIC emulation
   3 *
   4 * Software developer's manuals:
   5 * http://www.intel.com/content/dam/doc/datasheet/82574l-gbe-controller-datasheet.pdf
   6 *
   7 * Copyright (c) 2015 Ravello Systems LTD (http://ravellosystems.com)
   8 * Developed by Daynix Computing LTD (http://www.daynix.com)
   9 *
  10 * Authors:
  11 * Dmitry Fleytman <dmitry@daynix.com>
  12 * Leonid Bloch <leonid@daynix.com>
  13 * Yan Vugenfirer <yan@daynix.com>
  14 *
  15 * Based on work done by:
  16 * Nir Peleg, Tutis Systems Ltd. for Qumranet Inc.
  17 * Copyright (c) 2008 Qumranet
  18 * Based on work done by:
  19 * Copyright (c) 2007 Dan Aloni
  20 * Copyright (c) 2004 Antony T Curtis
  21 *
  22 * This library is free software; you can redistribute it and/or
  23 * modify it under the terms of the GNU Lesser General Public
  24 * License as published by the Free Software Foundation; either
  25 * version 2 of the License, or (at your option) any later version.
  26 *
  27 * This library is distributed in the hope that it will be useful,
  28 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  30 * Lesser General Public License for more details.
  31 *
  32 * You should have received a copy of the GNU Lesser General Public
  33 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  34 */
  35
  36 #include "qemu/osdep.h"
  37 #include "qemu/units.h"
  38 #include "net/net.h"
  39 #include "net/tap.h"
  40 #include "qemu/module.h"
  41 #include "qemu/range.h"
  42 #include "sysemu/sysemu.h"
  43 #include "hw/pci/msi.h"
  44 #include "hw/pci/msix.h"
  45 #include "migration/vmstate.h"
  46
  47 #include "e1000_regs.h"
  48
  49 #include "e1000x_common.h"
  50 #include "e1000e_core.h"
  51
  52 #include "trace.h"
  53 #include "qapi/error.h"
  54
  55 #define TYPE_E1000E "e1000e"
  56 #define E1000E(obj) OBJECT_CHECK(E1000EState, (obj), TYPE_E1000E)
  57
  58 typedef struct E1000EState {
  59     PCIDevice parent_obj;
  60     NICState *nic;
  61     NICConf conf;
  62
  63     MemoryRegion mmio;
  64     MemoryRegion flash;
  65     MemoryRegion io;
  66     MemoryRegion msix;
  67
  68     uint32_t ioaddr;
  69
  70     uint16_t subsys_ven;
  71     uint16_t subsys;
  72
  73     uint16_t subsys_ven_used;
  74     uint16_t subsys_used;
  75
  76     bool disable_vnet;
  77
  78     E1000ECore core;
  79
  80 } E1000EState;
  81
  82 #define E1000E_MMIO_IDX     0
  83 #define E1000E_FLASH_IDX    1
  84 #define E1000E_IO_IDX       2
  85 #define E1000E_MSIX_IDX     3
  86
  87 #define E1000E_MMIO_SIZE    (128 * KiB)
  88 #define E1000E_FLASH_SIZE   (128 * KiB)
  89 #define E1000E_IO_SIZE      (32)
  90 #define E1000E_MSIX_SIZE    (16 * KiB)
  91
  92 #define E1000E_MSIX_TABLE   (0x0000)
  93 #define E1000E_MSIX_PBA     (0x2000)
  94
  95 static uint64_t
  96 e1000e_mmio_read(void *opaque, hwaddr addr, unsigned size)
  97 {
  98     E1000EState *s = opaque;
  99     return e1000e_core_read(&s->core, addr, size);
 100 }
 101
 102 static void
 103 e1000e_mmio_write(void *opaque, hwaddr addr,
 104                    uint64_t val, unsigned size)
 105 {
 106     E1000EState *s = opaque;
 107     e1000e_core_write(&s->core, addr, val, size);
 108 }
 109
 110 static bool
 111 e1000e_io_get_reg_index(E1000EState *s, uint32_t *idx)
 112 {
 113     if (s->ioaddr < 0x1FFFF) {
 114         *idx = s->ioaddr;
 115         return true;
 116     }
 117
 118     if (s->ioaddr < 0x7FFFF) {
 119         trace_e1000e_wrn_io_addr_undefined(s->ioaddr);
 120         return false;
 121     }
 122
 123     if (s->ioaddr < 0xFFFFF) {
 124         trace_e1000e_wrn_io_addr_flash(s->ioaddr);
 125         return false;
 126     }
 127
 128     trace_e1000e_wrn_io_addr_unknown(s->ioaddr);
 129     return false;
 130 }
 131
 132 static uint64_t
 133 e1000e_io_read(void *opaque, hwaddr addr, unsigned size)
 134 {
 135     E1000EState *s = opaque;
 136     uint32_t idx = 0;
 137     uint64_t val;
 138
 139     switch (addr) {
 140     case E1000_IOADDR:
 141         trace_e1000e_io_read_addr(s->ioaddr);
 142         return s->ioaddr;
 143     case E1000_IODATA:
 144         if (e1000e_io_get_reg_index(s, &idx)) {
 145             val = e1000e_core_read(&s->core, idx, sizeof(val));
 146             trace_e1000e_io_read_data(idx, val);
 147             return val;
 148         }
 149         return 0;
 150     default:
 151         trace_e1000e_wrn_io_read_unknown(addr);
 152         return 0;
 153     }
 154 }
 155
 156 static void
 157 e1000e_io_write(void *opaque, hwaddr addr,
 158                 uint64_t val, unsigned size)
 159 {
 160     E1000EState *s = opaque;
 161     uint32_t idx = 0;
 162
 163     switch (addr) {
 164     case E1000_IOADDR:
 165         trace_e1000e_io_write_addr(val);
 166         s->ioaddr = (uint32_t) val;
 167         return;
 168     case E1000_IODATA:
 169         if (e1000e_io_get_reg_index(s, &idx)) {
 170             trace_e1000e_io_write_data(idx, val);
 171             e1000e_core_write(&s->core, idx, val, sizeof(val));
 172         }
 173         return;
 174     default:
 175         trace_e1000e_wrn_io_write_unknown(addr);
 176         return;
 177     }
 178 }
 179
 180 static const MemoryRegionOps mmio_ops = {
 181     .read = e1000e_mmio_read,
 182     .write = e1000e_mmio_write,
 183     .endianness = DEVICE_LITTLE_ENDIAN,
 184     .impl = {
 185         .min_access_size = 4,
 186         .max_access_size = 4,
 187     },
 188 };
 189
 190 static const MemoryRegionOps io_ops = {
 191     .read = e1000e_io_read,
 192     .write = e1000e_io_write,
 193     .endianness = DEVICE_LITTLE_ENDIAN,
 194     .impl = {
 195         .min_access_size = 4,
 196         .max_access_size = 4,
 197     },
 198 };
 199
 200 static int
 201 e1000e_nc_can_receive(NetClientState *nc)
 202 {
 203     E1000EState *s = qemu_get_nic_opaque(nc);
 204     return e1000e_can_receive(&s->core);
 205 }
 206
 207 static ssize_t
 208 e1000e_nc_receive_iov(NetClientState *nc, const struct iovec *iov, int iovcnt)
 209 {
 210     E1000EState *s = qemu_get_nic_opaque(nc);
 211     return e1000e_receive_iov(&s->core, iov, iovcnt);
 212 }
 213
 214 static ssize_t
 215 e1000e_nc_receive(NetClientState *nc, const uint8_t *buf, size_t size)
 216 {
 217     E1000EState *s = qemu_get_nic_opaque(nc);
 218     return e1000e_receive(&s->core, buf, size);
 219 }
 220
 221 static void
 222 e1000e_set_link_status(NetClientState *nc)
 223 {
 224     E1000EState *s = qemu_get_nic_opaque(nc);
 225     e1000e_core_set_link_status(&s->core);
 226 }
 227
 228 static NetClientInfo net_e1000e_info = {
 229     .type = NET_CLIENT_DRIVER_NIC,
 230     .size = sizeof(NICState),
 231     .can_receive = e1000e_nc_can_receive,
 232     .receive = e1000e_nc_receive,
 233     .receive_iov = e1000e_nc_receive_iov,
 234     .link_status_changed = e1000e_set_link_status,
 235 };
 236
 237 /*
 238 * EEPROM (NVM) contents documented in Table 36, section 6.1
 239 * and generally 6.1.2 Software accessed words.
 240 */
 241 static const uint16_t e1000e_eeprom_template[64] = {
 242   /*        Address        |    Compat.    | ImVer |   Compat.     */
 243     0x0000, 0x0000, 0x0000, 0x0420, 0xf746, 0x2010, 0xffff, 0xffff,
 244   /*      PBA      |ICtrl1 | SSID  | SVID  | DevID |-------|ICtrl2 */
 245     0x0000, 0x0000, 0x026b, 0x0000, 0x8086, 0x0000, 0x0000, 0x8058,
 246   /*    NVM words 1,2,3    |-------------------------------|PCI-EID*/
 247     0x0000, 0x2001, 0x7e7c, 0xffff, 0x1000, 0x00c8, 0x0000, 0x2704,
 248   /* PCIe Init. Conf 1,2,3 |PCICtrl|PHY|LD1|-------| RevID | LD0,2 */
 249     0x6cc9, 0x3150, 0x070e, 0x460b, 0x2d84, 0x0100, 0xf000, 0x0706,
 250   /* FLPAR |FLANADD|LAN-PWR|FlVndr |ICtrl3 |APTSMBA|APTRxEP|APTSMBC*/
 251     0x6000, 0x0080, 0x0f04, 0x7fff, 0x4f01, 0xc600, 0x0000, 0x20ff,
 252   /* APTIF | APTMC |APTuCP |LSWFWID|MSWFWID|NC-SIMC|NC-SIC | VPDP  */
 253     0x0028, 0x0003, 0x0000, 0x0000, 0x0000, 0x0003, 0x0000, 0xffff,
 254   /*                            SW Section                         */
 255     0x0100, 0xc000, 0x121c, 0xc007, 0xffff, 0xffff, 0xffff, 0xffff,
 256   /*                      SW Section                       |CHKSUM */
 257     0xffff, 0xffff, 0xffff, 0xffff, 0x0000, 0x0120, 0xffff, 0x0000,
 258 };
 259
 260 static void e1000e_core_realize(E1000EState *s)
 261 {
 262     s->core.owner = &s->parent_obj;
 263     s->core.owner_nic = s->nic;
 264 }
 265
 266 static void
 267 e1000e_unuse_msix_vectors(E1000EState *s, int num_vectors)
 268 {
 269     int i;
 270     for (i = 0; i < num_vectors; i++) {
 271         msix_vector_unuse(PCI_DEVICE(s), i);
 272     }
 273 }
 274
 275 static bool
 276 e1000e_use_msix_vectors(E1000EState *s, int num_vectors)
 277 {
 278     int i;
 279     for (i = 0; i < num_vectors; i++) {
 280         int res = msix_vector_use(PCI_DEVICE(s), i);
 281         if (res < 0) {
 282             trace_e1000e_msix_use_vector_fail(i, res);
 283             e1000e_unuse_msix_vectors(s, i);
 284             return false;
 285         }
 286     }
 287     return true;
 288 }
 289
 290 static void
 291 e1000e_init_msix(E1000EState *s)
 292 {
 293     PCIDevice *d = PCI_DEVICE(s);
 294     int res = msix_init(PCI_DEVICE(s), E1000E_MSIX_VEC_NUM,
 295                         &s->msix,
 296                         E1000E_MSIX_IDX, E1000E_MSIX_TABLE,
 297                         &s->msix,
 298                         E1000E_MSIX_IDX, E1000E_MSIX_PBA,
 299                         0xA0, NULL);
 300
 301     if (res < 0) {
 302         trace_e1000e_msix_init_fail(res);
 303     } else {
 304         if (!e1000e_use_msix_vectors(s, E1000E_MSIX_VEC_NUM)) {
 305             msix_uninit(d, &s->msix, &s->msix);
 306         }
 307     }
 308 }
 309
 310 static void
 311 e1000e_cleanup_msix(E1000EState *s)
 312 {
 313     if (msix_present(PCI_DEVICE(s))) {
 314         e1000e_unuse_msix_vectors(s, E1000E_MSIX_VEC_NUM);
 315         msix_uninit(PCI_DEVICE(s), &s->msix, &s->msix);
 316     }
 317 }
 318
 319 static void
 320 e1000e_init_net_peer(E1000EState *s, PCIDevice *pci_dev, uint8_t *macaddr)
 321 {
 322     DeviceState *dev = DEVICE(pci_dev);
 323     NetClientState *nc;
 324     int i;
 325
 326     s->nic = qemu_new_nic(&net_e1000e_info, &s->conf,
 327         object_get_typename(OBJECT(s)), dev->id, s);
 328
 329     s->core.max_queue_num = s->conf.peers.queues - 1;
 330
 331     trace_e1000e_mac_set_permanent(MAC_ARG(macaddr));
 332     memcpy(s->core.permanent_mac, macaddr, sizeof(s->core.permanent_mac));
 333
 334     qemu_format_nic_info_str(qemu_get_queue(s->nic), macaddr);
 335
 336     /* Setup virtio headers */
 337     if (s->disable_vnet) {
 338         s->core.has_vnet = false;
 339         trace_e1000e_cfg_support_virtio(false);
 340         return;
 341     } else {
 342         s->core.has_vnet = true;
 343     }
 344
 345     for (i = 0; i < s->conf.peers.queues; i++) {
 346         nc = qemu_get_subqueue(s->nic, i);
 347         if (!nc->peer || !qemu_has_vnet_hdr(nc->peer)) {
 348             s->core.has_vnet = false;
 349             trace_e1000e_cfg_support_virtio(false);
 350             return;
 351         }
 352     }
 353
 354     trace_e1000e_cfg_support_virtio(true);
 355
 356     for (i = 0; i < s->conf.peers.queues; i++) {
 357         nc = qemu_get_subqueue(s->nic, i);
 358         qemu_set_vnet_hdr_len(nc->peer, sizeof(struct virtio_net_hdr));
 359         qemu_using_vnet_hdr(nc->peer, true);
 360     }
 361 }
 362
 363 static inline uint64_t
 364 e1000e_gen_dsn(uint8_t *mac)
 365 {
 366     return (uint64_t)(mac[5])        |
 367            (uint64_t)(mac[4])  << 8  |
 368            (uint64_t)(mac[3])  << 16 |
 369            (uint64_t)(0x00FF)  << 24 |
 370            (uint64_t)(0x00FF)  << 32 |
 371            (uint64_t)(mac[2])  << 40 |
 372            (uint64_t)(mac[1])  << 48 |
 373            (uint64_t)(mac[0])  << 56;
 374 }
 375
 376 static int
 377 e1000e_add_pm_capability(PCIDevice *pdev, uint8_t offset, uint16_t pmc)
 378 {
 379     Error *local_err = NULL;
 380     int ret = pci_add_capability(pdev, PCI_CAP_ID_PM, offset,
 381                                  PCI_PM_SIZEOF, &local_err);
 382
 383     if (local_err) {
 384         error_report_err(local_err);
 385         return ret;
 386     }
 387
 388     pci_set_word(pdev->config + offset + PCI_PM_PMC,
 389                  PCI_PM_CAP_VER_1_1 |
 390                  pmc);
 391
 392     pci_set_word(pdev->wmask + offset + PCI_PM_CTRL,
 393                  PCI_PM_CTRL_STATE_MASK |
 394                  PCI_PM_CTRL_PME_ENABLE |
 395                  PCI_PM_CTRL_DATA_SEL_MASK);
 396
 397     pci_set_word(pdev->w1cmask + offset + PCI_PM_CTRL,
 398                  PCI_PM_CTRL_PME_STATUS);
 399
 400     return ret;
 401 }
 402
 403 static void e1000e_write_config(PCIDevice *pci_dev, uint32_t address,
 404                                 uint32_t val, int len)
 405 {
 406     E1000EState *s = E1000E(pci_dev);
 407
 408     pci_default_write_config(pci_dev, address, val, len);
 409
 410     if (range_covers_byte(address, len, PCI_COMMAND) &&
 411         (pci_dev->config[PCI_COMMAND] & PCI_COMMAND_MASTER)) {
 412         e1000e_start_recv(&s->core);
 413     }
 414 }
 415
 416 static void e1000e_pci_realize(PCIDevice *pci_dev, Error **errp)
 417 {
 418     static const uint16_t e1000e_pmrb_offset = 0x0C8;
 419     static const uint16_t e1000e_pcie_offset = 0x0E0;
 420     static const uint16_t e1000e_aer_offset =  0x100;
 421     static const uint16_t e1000e_dsn_offset =  0x140;
 422     E1000EState *s = E1000E(pci_dev);
 423     uint8_t *macaddr;
 424     int ret;
 425
 426     trace_e1000e_cb_pci_realize();
 427
 428     pci_dev->config_write = e1000e_write_config;
 429
 430     pci_dev->config[PCI_CACHE_LINE_SIZE] = 0x10;
 431     pci_dev->config[PCI_INTERRUPT_PIN] = 1;
 432
 433     pci_set_word(pci_dev->config + PCI_SUBSYSTEM_VENDOR_ID, s->subsys_ven);
 434     pci_set_word(pci_dev->config + PCI_SUBSYSTEM_ID, s->subsys);
 435
 436     s->subsys_ven_used = s->subsys_ven;
 437     s->subsys_used = s->subsys;
 438
 439     /* Define IO/MMIO regions */
 440     memory_region_init_io(&s->mmio, OBJECT(s), &mmio_ops, s,
 441                           "e1000e-mmio", E1000E_MMIO_SIZE);
 442     pci_register_bar(pci_dev, E1000E_MMIO_IDX,
 443                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mmio);
 444
 445     /*
 446      * We provide a dummy implementation for the flash BAR
 447      * for drivers that may theoretically probe for its presence.
 448      */
 449     memory_region_init(&s->flash, OBJECT(s),
 450                        "e1000e-flash", E1000E_FLASH_SIZE);
 451     pci_register_bar(pci_dev, E1000E_FLASH_IDX,
 452                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->flash);
 453
 454     memory_region_init_io(&s->io, OBJECT(s), &io_ops, s,
 455                           "e1000e-io", E1000E_IO_SIZE);
 456     pci_register_bar(pci_dev, E1000E_IO_IDX,
 457                      PCI_BASE_ADDRESS_SPACE_IO, &s->io);
 458
 459     memory_region_init(&s->msix, OBJECT(s), "e1000e-msix",
 460                        E1000E_MSIX_SIZE);
 461     pci_register_bar(pci_dev, E1000E_MSIX_IDX,
 462                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->msix);
 463
 464     /* Create networking backend */
 465     qemu_macaddr_default_if_unset(&s->conf.macaddr);
 466     macaddr = s->conf.macaddr.a;
 467
 468     e1000e_init_msix(s);
 469
 470     if (pcie_endpoint_cap_v1_init(pci_dev, e1000e_pcie_offset) < 0) {
 471         hw_error("Failed to initialize PCIe capability");
 472     }
 473
 474     ret = msi_init(PCI_DEVICE(s), 0xD0, 1, true, false, NULL);
 475     if (ret) {
 476         trace_e1000e_msi_init_fail(ret);
 477     }
 478
 479     if (e1000e_add_pm_capability(pci_dev, e1000e_pmrb_offset,
 480                                   PCI_PM_CAP_DSI) < 0) {
 481         hw_error("Failed to initialize PM capability");
 482     }
 483
 484     if (pcie_aer_init(pci_dev, PCI_ERR_VER, e1000e_aer_offset,
 485                       PCI_ERR_SIZEOF, NULL) < 0) {
 486         hw_error("Failed to initialize AER capability");
 487     }
 488
 489     pcie_dev_ser_num_init(pci_dev, e1000e_dsn_offset,
 490                           e1000e_gen_dsn(macaddr));
 491
 492     e1000e_init_net_peer(s, pci_dev, macaddr);
 493
 494     /* Initialize core */
 495     e1000e_core_realize(s);
 496
 497     e1000e_core_pci_realize(&s->core,
 498                             e1000e_eeprom_template,
 499                             sizeof(e1000e_eeprom_template),
 500                             macaddr);
 501 }
 502
 503 static void e1000e_pci_uninit(PCIDevice *pci_dev)
 504 {
 505     E1000EState *s = E1000E(pci_dev);
 506
 507     trace_e1000e_cb_pci_uninit();
 508
 509     e1000e_core_pci_uninit(&s->core);
 510
 511     pcie_aer_exit(pci_dev);
 512     pcie_cap_exit(pci_dev);
 513
 514     qemu_del_nic(s->nic);
 515
 516     e1000e_cleanup_msix(s);
 517     msi_uninit(pci_dev);
 518 }
 519
 520 static void e1000e_qdev_reset(DeviceState *dev)
 521 {
 522     E1000EState *s = E1000E(dev);
 523
 524     trace_e1000e_cb_qdev_reset();
 525
 526     e1000e_core_reset(&s->core);
 527 }
 528
 529 static int e1000e_pre_save(void *opaque)
 530 {
 531     E1000EState *s = opaque;
 532
 533     trace_e1000e_cb_pre_save();
 534
 535     e1000e_core_pre_save(&s->core);
 536
 537     return 0;
 538 }
 539
 540 static int e1000e_post_load(void *opaque, int version_id)
 541 {
 542     E1000EState *s = opaque;
 543
 544     trace_e1000e_cb_post_load();
 545
 546     if ((s->subsys != s->subsys_used) ||
 547         (s->subsys_ven != s->subsys_ven_used)) {
 548         fprintf(stderr,
 549             "ERROR: Cannot migrate while device properties "
 550             "(subsys/subsys_ven) differ");
 551         return -1;
 552     }
 553
 554     return e1000e_core_post_load(&s->core);
 555 }
 556
 557 static const VMStateDescription e1000e_vmstate_tx = {
 558     .name = "e1000e-tx",
 559     .version_id = 1,
 560     .minimum_version_id = 1,
 561     .fields = (VMStateField[]) {
 562         VMSTATE_UINT8(sum_needed, struct e1000e_tx),
 563         VMSTATE_UINT8(props.ipcss, struct e1000e_tx),
 564         VMSTATE_UINT8(props.ipcso, struct e1000e_tx),
 565         VMSTATE_UINT16(props.ipcse, struct e1000e_tx),
 566         VMSTATE_UINT8(props.tucss, struct e1000e_tx),
 567         VMSTATE_UINT8(props.tucso, struct e1000e_tx),
 568         VMSTATE_UINT16(props.tucse, struct e1000e_tx),
 569         VMSTATE_UINT8(props.hdr_len, struct e1000e_tx),
 570         VMSTATE_UINT16(props.mss, struct e1000e_tx),
 571         VMSTATE_UINT32(props.paylen, struct e1000e_tx),
 572         VMSTATE_INT8(props.ip, struct e1000e_tx),
 573         VMSTATE_INT8(props.tcp, struct e1000e_tx),
 574         VMSTATE_BOOL(props.tse, struct e1000e_tx),
 575         VMSTATE_BOOL(cptse, struct e1000e_tx),
 576         VMSTATE_BOOL(skip_cp, struct e1000e_tx),
 577         VMSTATE_END_OF_LIST()
 578     }
 579 };
 580
 581 static const VMStateDescription e1000e_vmstate_intr_timer = {
 582     .name = "e1000e-intr-timer",
 583     .version_id = 1,
 584     .minimum_version_id = 1,
 585     .fields = (VMStateField[]) {
 586         VMSTATE_TIMER_PTR(timer, E1000IntrDelayTimer),
 587         VMSTATE_BOOL(running, E1000IntrDelayTimer),
 588         VMSTATE_END_OF_LIST()
 589     }
 590 };
 591
 592 #define VMSTATE_E1000E_INTR_DELAY_TIMER(_f, _s)                     \
 593     VMSTATE_STRUCT(_f, _s, 0,                                       \
 594                    e1000e_vmstate_intr_timer, E1000IntrDelayTimer)
 595
 596 #define VMSTATE_E1000E_INTR_DELAY_TIMER_ARRAY(_f, _s, _num)         \
 597     VMSTATE_STRUCT_ARRAY(_f, _s, _num, 0,                           \
 598                          e1000e_vmstate_intr_timer, E1000IntrDelayTimer)
 599
 600 static const VMStateDescription e1000e_vmstate = {
 601     .name = "e1000e",
 602     .version_id = 1,
 603     .minimum_version_id = 1,
 604     .pre_save = e1000e_pre_save,
 605     .post_load = e1000e_post_load,
 606     .fields = (VMStateField[]) {
 607         VMSTATE_PCI_DEVICE(parent_obj, E1000EState),
 608         VMSTATE_MSIX(parent_obj, E1000EState),
 609
 610         VMSTATE_UINT32(ioaddr, E1000EState),
 611         VMSTATE_UINT32(core.rxbuf_min_shift, E1000EState),
 612         VMSTATE_UINT8(core.rx_desc_len, E1000EState),
 613         VMSTATE_UINT32_ARRAY(core.rxbuf_sizes, E1000EState,
 614                              E1000_PSRCTL_BUFFS_PER_DESC),
 615         VMSTATE_UINT32(core.rx_desc_buf_size, E1000EState),
 616         VMSTATE_UINT16_ARRAY(core.eeprom, E1000EState, E1000E_EEPROM_SIZE),
 617         VMSTATE_UINT16_2DARRAY(core.phy, E1000EState,
 618                                E1000E_PHY_PAGES, E1000E_PHY_PAGE_SIZE),
 619         VMSTATE_UINT32_ARRAY(core.mac, E1000EState, E1000E_MAC_SIZE),
 620         VMSTATE_UINT8_ARRAY(core.permanent_mac, E1000EState, ETH_ALEN),
 621
 622         VMSTATE_UINT32(core.delayed_causes, E1000EState),
 623
 624         VMSTATE_UINT16(subsys, E1000EState),
 625         VMSTATE_UINT16(subsys_ven, E1000EState),
 626
 627         VMSTATE_E1000E_INTR_DELAY_TIMER(core.rdtr, E1000EState),
 628         VMSTATE_E1000E_INTR_DELAY_TIMER(core.radv, E1000EState),
 629         VMSTATE_E1000E_INTR_DELAY_TIMER(core.raid, E1000EState),
 630         VMSTATE_E1000E_INTR_DELAY_TIMER(core.tadv, E1000EState),
 631         VMSTATE_E1000E_INTR_DELAY_TIMER(core.tidv, E1000EState),
 632
 633         VMSTATE_E1000E_INTR_DELAY_TIMER(core.itr, E1000EState),
 634         VMSTATE_BOOL(core.itr_intr_pending, E1000EState),
 635
 636         VMSTATE_E1000E_INTR_DELAY_TIMER_ARRAY(core.eitr, E1000EState,
 637                                               E1000E_MSIX_VEC_NUM),
 638         VMSTATE_BOOL_ARRAY(core.eitr_intr_pending, E1000EState,
 639                            E1000E_MSIX_VEC_NUM),
 640
 641         VMSTATE_UINT32(core.itr_guest_value, E1000EState),
 642         VMSTATE_UINT32_ARRAY(core.eitr_guest_value, E1000EState,
 643                              E1000E_MSIX_VEC_NUM),
 644
 645         VMSTATE_UINT16(core.vet, E1000EState),
 646
 647         VMSTATE_STRUCT_ARRAY(core.tx, E1000EState, E1000E_NUM_QUEUES, 0,
 648                              e1000e_vmstate_tx, struct e1000e_tx),
 649         VMSTATE_END_OF_LIST()
 650     }
 651 };
 652
 653 static PropertyInfo e1000e_prop_disable_vnet,
 654                     e1000e_prop_subsys_ven,
 655                     e1000e_prop_subsys;
 656
 657 static Property e1000e_properties[] = {
 658     DEFINE_NIC_PROPERTIES(E1000EState, conf),
 659     DEFINE_PROP_SIGNED("disable_vnet_hdr", E1000EState, disable_vnet, false,
 660                         e1000e_prop_disable_vnet, bool),
 661     DEFINE_PROP_SIGNED("subsys_ven", E1000EState, subsys_ven,
 662                         PCI_VENDOR_ID_INTEL,
 663                         e1000e_prop_subsys_ven, uint16_t),
 664     DEFINE_PROP_SIGNED("subsys", E1000EState, subsys, 0,
 665                         e1000e_prop_subsys, uint16_t),
 666     DEFINE_PROP_END_OF_LIST(),
 667 };
 668
 669 static void e1000e_class_init(ObjectClass *class, void *data)
 670 {
 671     DeviceClass *dc = DEVICE_CLASS(class);
 672     PCIDeviceClass *c = PCI_DEVICE_CLASS(class);
 673
 674     c->realize = e1000e_pci_realize;
 675     c->exit = e1000e_pci_uninit;
 676     c->vendor_id = PCI_VENDOR_ID_INTEL;
 677     c->device_id = E1000_DEV_ID_82574L;
 678     c->revision = 0;
 679     c->romfile = "efi-e1000e.rom";
 680     c->class_id = PCI_CLASS_NETWORK_ETHERNET;
 681
 682     dc->desc = "Intel 82574L GbE Controller";
 683     dc->reset = e1000e_qdev_reset;
 684     dc->vmsd = &e1000e_vmstate;
 685     dc->props = e1000e_properties;
 686
 687     e1000e_prop_disable_vnet = qdev_prop_uint8;
 688     e1000e_prop_disable_vnet.description = "Do not use virtio headers, "
 689                                            "perform SW offloads emulation "
 690                                            "instead";
 691
 692     e1000e_prop_subsys_ven = qdev_prop_uint16;
 693     e1000e_prop_subsys_ven.description = "PCI device Subsystem Vendor ID";
 694
 695     e1000e_prop_subsys = qdev_prop_uint16;
 696     e1000e_prop_subsys.description = "PCI device Subsystem ID";
 697
 698     set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
 699 }
 700
 701 static void e1000e_instance_init(Object *obj)
 702 {
 703     E1000EState *s = E1000E(obj);
 704     device_add_bootindex_property(obj, &s->conf.bootindex,
 705                                   "bootindex", "/ethernet-phy@0",
 706                                   DEVICE(obj), NULL);
 707 }
 708
 709 static const TypeInfo e1000e_info = {
 710     .name = TYPE_E1000E,
 711     .parent = TYPE_PCI_DEVICE,
 712     .instance_size = sizeof(E1000EState),
 713     .class_init = e1000e_class_init,
 714     .instance_init = e1000e_instance_init,
 715     .interfaces = (InterfaceInfo[]) {
 716         { INTERFACE_PCIE_DEVICE },
 717         { }
 718     },
 719 };
 720
 721 static void e1000e_register_types(void)
 722 {
 723     type_register_static(&e1000e_info);
 724 }
 725
 726 type_init(e1000e_register_types)