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 "net/net.h"
  38 #include "net/tap.h"
  39 #include "qemu/range.h"
  40 #include "sysemu/sysemu.h"
  41 #include "hw/pci/msi.h"
  42 #include "hw/pci/msix.h"
  43
  44 #include "hw/net/e1000_regs.h"
  45
  46 #include "e1000x_common.h"
  47 #include "e1000e_core.h"
  48
  49 #include "trace.h"
  50 #include "qapi/error.h"
  51
  52 #define TYPE_E1000E "e1000e"
  53 #define E1000E(obj) OBJECT_CHECK(E1000EState, (obj), TYPE_E1000E)
  54
  55 typedef struct E1000EState {
  56     PCIDevice parent_obj;
  57     NICState *nic;
  58     NICConf conf;
  59
  60     MemoryRegion mmio;
  61     MemoryRegion flash;
  62     MemoryRegion io;
  63     MemoryRegion msix;
  64
  65     uint32_t ioaddr;
  66
  67     uint16_t subsys_ven;
  68     uint16_t subsys;
  69
  70     uint16_t subsys_ven_used;
  71     uint16_t subsys_used;
  72
  73     bool disable_vnet;
  74
  75     E1000ECore core;
  76
  77 } E1000EState;
  78
  79 #define E1000E_MMIO_IDX     0
  80 #define E1000E_FLASH_IDX    1
  81 #define E1000E_IO_IDX       2
  82 #define E1000E_MSIX_IDX     3
  83
  84 #define E1000E_MMIO_SIZE    (128 * 1024)
  85 #define E1000E_FLASH_SIZE   (128 * 1024)
  86 #define E1000E_IO_SIZE      (32)
  87 #define E1000E_MSIX_SIZE    (16 * 1024)
  88
  89 #define E1000E_MSIX_TABLE   (0x0000)
  90 #define E1000E_MSIX_PBA     (0x2000)
  91
  92 static uint64_t
  93 e1000e_mmio_read(void *opaque, hwaddr addr, unsigned size)
  94 {
  95     E1000EState *s = opaque;
  96     return e1000e_core_read(&s->core, addr, size);
  97 }
  98
  99 static void
 100 e1000e_mmio_write(void *opaque, hwaddr addr,
 101                    uint64_t val, unsigned size)
 102 {
 103     E1000EState *s = opaque;
 104     e1000e_core_write(&s->core, addr, val, size);
 105 }
 106
 107 static bool
 108 e1000e_io_get_reg_index(E1000EState *s, uint32_t *idx)
 109 {
 110     if (s->ioaddr < 0x1FFFF) {
 111         *idx = s->ioaddr;
 112         return true;
 113     }
 114
 115     if (s->ioaddr < 0x7FFFF) {
 116         trace_e1000e_wrn_io_addr_undefined(s->ioaddr);
 117         return false;
 118     }
 119
 120     if (s->ioaddr < 0xFFFFF) {
 121         trace_e1000e_wrn_io_addr_flash(s->ioaddr);
 122         return false;
 123     }
 124
 125     trace_e1000e_wrn_io_addr_unknown(s->ioaddr);
 126     return false;
 127 }
 128
 129 static uint64_t
 130 e1000e_io_read(void *opaque, hwaddr addr, unsigned size)
 131 {
 132     E1000EState *s = opaque;
 133     uint32_t idx = 0;
 134     uint64_t val;
 135
 136     switch (addr) {
 137     case E1000_IOADDR:
 138         trace_e1000e_io_read_addr(s->ioaddr);
 139         return s->ioaddr;
 140     case E1000_IODATA:
 141         if (e1000e_io_get_reg_index(s, &idx)) {
 142             val = e1000e_core_read(&s->core, idx, sizeof(val));
 143             trace_e1000e_io_read_data(idx, val);
 144             return val;
 145         }
 146         return 0;
 147     default:
 148         trace_e1000e_wrn_io_read_unknown(addr);
 149         return 0;
 150     }
 151 }
 152
 153 static void
 154 e1000e_io_write(void *opaque, hwaddr addr,
 155                 uint64_t val, unsigned size)
 156 {
 157     E1000EState *s = opaque;
 158     uint32_t idx = 0;
 159
 160     switch (addr) {
 161     case E1000_IOADDR:
 162         trace_e1000e_io_write_addr(val);
 163         s->ioaddr = (uint32_t) val;
 164         return;
 165     case E1000_IODATA:
 166         if (e1000e_io_get_reg_index(s, &idx)) {
 167             trace_e1000e_io_write_data(idx, val);
 168             e1000e_core_write(&s->core, idx, val, sizeof(val));
 169         }
 170         return;
 171     default:
 172         trace_e1000e_wrn_io_write_unknown(addr);
 173         return;
 174     }
 175 }
 176
 177 static const MemoryRegionOps mmio_ops = {
 178     .read = e1000e_mmio_read,
 179     .write = e1000e_mmio_write,
 180     .endianness = DEVICE_LITTLE_ENDIAN,
 181     .impl = {
 182         .min_access_size = 4,
 183         .max_access_size = 4,
 184     },
 185 };
 186
 187 static const MemoryRegionOps io_ops = {
 188     .read = e1000e_io_read,
 189     .write = e1000e_io_write,
 190     .endianness = DEVICE_LITTLE_ENDIAN,
 191     .impl = {
 192         .min_access_size = 4,
 193         .max_access_size = 4,
 194     },
 195 };
 196
 197 static int
 198 e1000e_nc_can_receive(NetClientState *nc)
 199 {
 200     E1000EState *s = qemu_get_nic_opaque(nc);
 201     return e1000e_can_receive(&s->core);
 202 }
 203
 204 static ssize_t
 205 e1000e_nc_receive_iov(NetClientState *nc, const struct iovec *iov, int iovcnt)
 206 {
 207     E1000EState *s = qemu_get_nic_opaque(nc);
 208     return e1000e_receive_iov(&s->core, iov, iovcnt);
 209 }
 210
 211 static ssize_t
 212 e1000e_nc_receive(NetClientState *nc, const uint8_t *buf, size_t size)
 213 {
 214     E1000EState *s = qemu_get_nic_opaque(nc);
 215     return e1000e_receive(&s->core, buf, size);
 216 }
 217
 218 static void
 219 e1000e_set_link_status(NetClientState *nc)
 220 {
 221     E1000EState *s = qemu_get_nic_opaque(nc);
 222     e1000e_core_set_link_status(&s->core);
 223 }
 224
 225 static NetClientInfo net_e1000e_info = {
 226     .type = NET_CLIENT_DRIVER_NIC,
 227     .size = sizeof(NICState),
 228     .can_receive = e1000e_nc_can_receive,
 229     .receive = e1000e_nc_receive,
 230     .receive_iov = e1000e_nc_receive_iov,
 231     .link_status_changed = e1000e_set_link_status,
 232 };
 233
 234 /*
 235 * EEPROM (NVM) contents documented in Table 36, section 6.1
 236 * and generally 6.1.2 Software accessed words.
 237 */
 238 static const uint16_t e1000e_eeprom_template[64] = {
 239   /*        Address        |    Compat.    | ImVer |   Compat.     */
 240     0x0000, 0x0000, 0x0000, 0x0420, 0xf746, 0x2010, 0xffff, 0xffff,
 241   /*      PBA      |ICtrl1 | SSID  | SVID  | DevID |-------|ICtrl2 */
 242     0x0000, 0x0000, 0x026b, 0x0000, 0x8086, 0x0000, 0x0000, 0x8058,
 243   /*    NVM words 1,2,3    |-------------------------------|PCI-EID*/
 244     0x0000, 0x2001, 0x7e7c, 0xffff, 0x1000, 0x00c8, 0x0000, 0x2704,
 245   /* PCIe Init. Conf 1,2,3 |PCICtrl|PHY|LD1|-------| RevID | LD0,2 */
 246     0x6cc9, 0x3150, 0x070e, 0x460b, 0x2d84, 0x0100, 0xf000, 0x0706,
 247   /* FLPAR |FLANADD|LAN-PWR|FlVndr |ICtrl3 |APTSMBA|APTRxEP|APTSMBC*/
 248     0x6000, 0x0080, 0x0f04, 0x7fff, 0x4f01, 0xc600, 0x0000, 0x20ff,
 249   /* APTIF | APTMC |APTuCP |LSWFWID|MSWFWID|NC-SIMC|NC-SIC | VPDP  */
 250     0x0028, 0x0003, 0x0000, 0x0000, 0x0000, 0x0003, 0x0000, 0xffff,
 251   /*                            SW Section                         */
 252     0x0100, 0xc000, 0x121c, 0xc007, 0xffff, 0xffff, 0xffff, 0xffff,
 253   /*                      SW Section                       |CHKSUM */
 254     0xffff, 0xffff, 0xffff, 0xffff, 0x0000, 0x0120, 0xffff, 0x0000,
 255 };
 256
 257 static void e1000e_core_realize(E1000EState *s)
 258 {
 259     s->core.owner = &s->parent_obj;
 260     s->core.owner_nic = s->nic;
 261 }
 262
 263 static void
 264 e1000e_unuse_msix_vectors(E1000EState *s, int num_vectors)
 265 {
 266     int i;
 267     for (i = 0; i < num_vectors; i++) {
 268         msix_vector_unuse(PCI_DEVICE(s), i);
 269     }
 270 }
 271
 272 static bool
 273 e1000e_use_msix_vectors(E1000EState *s, int num_vectors)
 274 {
 275     int i;
 276     for (i = 0; i < num_vectors; i++) {
 277         int res = msix_vector_use(PCI_DEVICE(s), i);
 278         if (res < 0) {
 279             trace_e1000e_msix_use_vector_fail(i, res);
 280             e1000e_unuse_msix_vectors(s, i);
 281             return false;
 282         }
 283     }
 284     return true;
 285 }
 286
 287 static void
 288 e1000e_init_msix(E1000EState *s)
 289 {
 290     PCIDevice *d = PCI_DEVICE(s);
 291     int res = msix_init(PCI_DEVICE(s), E1000E_MSIX_VEC_NUM,
 292                         &s->msix,
 293                         E1000E_MSIX_IDX, E1000E_MSIX_TABLE,
 294                         &s->msix,
 295                         E1000E_MSIX_IDX, E1000E_MSIX_PBA,
 296                         0xA0, NULL);
 297
 298     if (res < 0) {
 299         trace_e1000e_msix_init_fail(res);
 300     } else {
 301         if (!e1000e_use_msix_vectors(s, E1000E_MSIX_VEC_NUM)) {
 302             msix_uninit(d, &s->msix, &s->msix);
 303         }
 304     }
 305 }
 306
 307 static void
 308 e1000e_cleanup_msix(E1000EState *s)
 309 {
 310     if (msix_present(PCI_DEVICE(s))) {
 311         e1000e_unuse_msix_vectors(s, E1000E_MSIX_VEC_NUM);
 312         msix_uninit(PCI_DEVICE(s), &s->msix, &s->msix);
 313     }
 314 }
 315
 316 static void
 317 e1000e_init_net_peer(E1000EState *s, PCIDevice *pci_dev, uint8_t *macaddr)
 318 {
 319     DeviceState *dev = DEVICE(pci_dev);
 320     NetClientState *nc;
 321     int i;
 322
 323     s->nic = qemu_new_nic(&net_e1000e_info, &s->conf,
 324         object_get_typename(OBJECT(s)), dev->id, s);
 325
 326     s->core.max_queue_num = s->conf.peers.queues - 1;
 327
 328     trace_e1000e_mac_set_permanent(MAC_ARG(macaddr));
 329     memcpy(s->core.permanent_mac, macaddr, sizeof(s->core.permanent_mac));
 330
 331     qemu_format_nic_info_str(qemu_get_queue(s->nic), macaddr);
 332
 333     /* Setup virtio headers */
 334     if (s->disable_vnet) {
 335         s->core.has_vnet = false;
 336         trace_e1000e_cfg_support_virtio(false);
 337         return;
 338     } else {
 339         s->core.has_vnet = true;
 340     }
 341
 342     for (i = 0; i < s->conf.peers.queues; i++) {
 343         nc = qemu_get_subqueue(s->nic, i);
 344         if (!nc->peer || !qemu_has_vnet_hdr(nc->peer)) {
 345             s->core.has_vnet = false;
 346             trace_e1000e_cfg_support_virtio(false);
 347             return;
 348         }
 349     }
 350
 351     trace_e1000e_cfg_support_virtio(true);
 352
 353     for (i = 0; i < s->conf.peers.queues; i++) {
 354         nc = qemu_get_subqueue(s->nic, i);
 355         qemu_set_vnet_hdr_len(nc->peer, sizeof(struct virtio_net_hdr));
 356         qemu_using_vnet_hdr(nc->peer, true);
 357     }
 358 }
 359
 360 static inline uint64_t
 361 e1000e_gen_dsn(uint8_t *mac)
 362 {
 363     return (uint64_t)(mac[5])        |
 364            (uint64_t)(mac[4])  << 8  |
 365            (uint64_t)(mac[3])  << 16 |
 366            (uint64_t)(0x00FF)  << 24 |
 367            (uint64_t)(0x00FF)  << 32 |
 368            (uint64_t)(mac[2])  << 40 |
 369            (uint64_t)(mac[1])  << 48 |
 370            (uint64_t)(mac[0])  << 56;
 371 }
 372
 373 static int
 374 e1000e_add_pm_capability(PCIDevice *pdev, uint8_t offset, uint16_t pmc)
 375 {
 376     Error *local_err = NULL;
 377     int ret = pci_add_capability(pdev, PCI_CAP_ID_PM, offset,
 378                                  PCI_PM_SIZEOF, &local_err);
 379
 380     if (local_err) {
 381         error_report_err(local_err);
 382         return ret;
 383     }
 384
 385     pci_set_word(pdev->config + offset + PCI_PM_PMC,
 386                  PCI_PM_CAP_VER_1_1 |
 387                  pmc);
 388
 389     pci_set_word(pdev->wmask + offset + PCI_PM_CTRL,
 390                  PCI_PM_CTRL_STATE_MASK |
 391                  PCI_PM_CTRL_PME_ENABLE |
 392                  PCI_PM_CTRL_DATA_SEL_MASK);
 393
 394     pci_set_word(pdev->w1cmask + offset + PCI_PM_CTRL,
 395                  PCI_PM_CTRL_PME_STATUS);
 396
 397     return ret;
 398 }
 399
 400 static void e1000e_write_config(PCIDevice *pci_dev, uint32_t address,
 401                                 uint32_t val, int len)
 402 {
 403     E1000EState *s = E1000E(pci_dev);
 404
 405     pci_default_write_config(pci_dev, address, val, len);
 406
 407     if (range_covers_byte(address, len, PCI_COMMAND) &&
 408         (pci_dev->config[PCI_COMMAND] & PCI_COMMAND_MASTER)) {
 409         e1000e_start_recv(&s->core);
 410     }
 411 }
 412
 413 static void e1000e_pci_realize(PCIDevice *pci_dev, Error **errp)
 414 {
 415     static const uint16_t e1000e_pmrb_offset = 0x0C8;
 416     static const uint16_t e1000e_pcie_offset = 0x0E0;
 417     static const uint16_t e1000e_aer_offset =  0x100;
 418     static const uint16_t e1000e_dsn_offset =  0x140;
 419     E1000EState *s = E1000E(pci_dev);
 420     uint8_t *macaddr;
 421     int ret;
 422
 423     trace_e1000e_cb_pci_realize();
 424
 425     pci_dev->config_write = e1000e_write_config;
 426
 427     pci_dev->config[PCI_CACHE_LINE_SIZE] = 0x10;
 428     pci_dev->config[PCI_INTERRUPT_PIN] = 1;
 429
 430     pci_set_word(pci_dev->config + PCI_SUBSYSTEM_VENDOR_ID, s->subsys_ven);
 431     pci_set_word(pci_dev->config + PCI_SUBSYSTEM_ID, s->subsys);
 432
 433     s->subsys_ven_used = s->subsys_ven;
 434     s->subsys_used = s->subsys;
 435
 436     /* Define IO/MMIO regions */
 437     memory_region_init_io(&s->mmio, OBJECT(s), &mmio_ops, s,
 438                           "e1000e-mmio", E1000E_MMIO_SIZE);
 439     pci_register_bar(pci_dev, E1000E_MMIO_IDX,
 440                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mmio);
 441
 442     /*
 443      * We provide a dummy implementation for the flash BAR
 444      * for drivers that may theoretically probe for its presence.
 445      */
 446     memory_region_init(&s->flash, OBJECT(s),
 447                        "e1000e-flash", E1000E_FLASH_SIZE);
 448     pci_register_bar(pci_dev, E1000E_FLASH_IDX,
 449                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->flash);
 450
 451     memory_region_init_io(&s->io, OBJECT(s), &io_ops, s,
 452                           "e1000e-io", E1000E_IO_SIZE);
 453     pci_register_bar(pci_dev, E1000E_IO_IDX,
 454                      PCI_BASE_ADDRESS_SPACE_IO, &s->io);
 455
 456     memory_region_init(&s->msix, OBJECT(s), "e1000e-msix",
 457                        E1000E_MSIX_SIZE);
 458     pci_register_bar(pci_dev, E1000E_MSIX_IDX,
 459                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->msix);
 460
 461     /* Create networking backend */
 462     qemu_macaddr_default_if_unset(&s->conf.macaddr);
 463     macaddr = s->conf.macaddr.a;
 464
 465     e1000e_init_msix(s);
 466
 467     if (pcie_endpoint_cap_v1_init(pci_dev, e1000e_pcie_offset) < 0) {
 468         hw_error("Failed to initialize PCIe capability");
 469     }
 470
 471     ret = msi_init(PCI_DEVICE(s), 0xD0, 1, true, false, NULL);
 472     if (ret) {
 473         trace_e1000e_msi_init_fail(ret);
 474     }
 475
 476     if (e1000e_add_pm_capability(pci_dev, e1000e_pmrb_offset,
 477                                   PCI_PM_CAP_DSI) < 0) {
 478         hw_error("Failed to initialize PM capability");
 479     }
 480
 481     if (pcie_aer_init(pci_dev, PCI_ERR_VER, e1000e_aer_offset,
 482                       PCI_ERR_SIZEOF, NULL) < 0) {
 483         hw_error("Failed to initialize AER capability");
 484     }
 485
 486     pcie_dev_ser_num_init(pci_dev, e1000e_dsn_offset,
 487                           e1000e_gen_dsn(macaddr));
 488
 489     e1000e_init_net_peer(s, pci_dev, macaddr);
 490
 491     /* Initialize core */
 492     e1000e_core_realize(s);
 493
 494     e1000e_core_pci_realize(&s->core,
 495                             e1000e_eeprom_template,
 496                             sizeof(e1000e_eeprom_template),
 497                             macaddr);
 498 }
 499
 500 static void e1000e_pci_uninit(PCIDevice *pci_dev)
 501 {
 502     E1000EState *s = E1000E(pci_dev);
 503
 504     trace_e1000e_cb_pci_uninit();
 505
 506     e1000e_core_pci_uninit(&s->core);
 507
 508     pcie_aer_exit(pci_dev);
 509     pcie_cap_exit(pci_dev);
 510
 511     qemu_del_nic(s->nic);
 512
 513     e1000e_cleanup_msix(s);
 514     msi_uninit(pci_dev);
 515 }
 516
 517 static void e1000e_qdev_reset(DeviceState *dev)
 518 {
 519     E1000EState *s = E1000E(dev);
 520
 521     trace_e1000e_cb_qdev_reset();
 522
 523     e1000e_core_reset(&s->core);
 524 }
 525
 526 static int e1000e_pre_save(void *opaque)
 527 {
 528     E1000EState *s = opaque;
 529
 530     trace_e1000e_cb_pre_save();
 531
 532     e1000e_core_pre_save(&s->core);
 533
 534     return 0;
 535 }
 536
 537 static int e1000e_post_load(void *opaque, int version_id)
 538 {
 539     E1000EState *s = opaque;
 540
 541     trace_e1000e_cb_post_load();
 542
 543     if ((s->subsys != s->subsys_used) ||
 544         (s->subsys_ven != s->subsys_ven_used)) {
 545         fprintf(stderr,
 546             "ERROR: Cannot migrate while device properties "
 547             "(subsys/subsys_ven) differ");
 548         return -1;
 549     }
 550
 551     return e1000e_core_post_load(&s->core);
 552 }
 553
 554 static const VMStateDescription e1000e_vmstate_tx = {
 555     .name = "e1000e-tx",
 556     .version_id = 1,
 557     .minimum_version_id = 1,
 558     .fields = (VMStateField[]) {
 559         VMSTATE_UINT8(props.sum_needed, struct e1000e_tx),
 560         VMSTATE_UINT8(props.ipcss, struct e1000e_tx),
 561         VMSTATE_UINT8(props.ipcso, struct e1000e_tx),
 562         VMSTATE_UINT16(props.ipcse, struct e1000e_tx),
 563         VMSTATE_UINT8(props.tucss, struct e1000e_tx),
 564         VMSTATE_UINT8(props.tucso, struct e1000e_tx),
 565         VMSTATE_UINT16(props.tucse, struct e1000e_tx),
 566         VMSTATE_UINT8(props.hdr_len, struct e1000e_tx),
 567         VMSTATE_UINT16(props.mss, struct e1000e_tx),
 568         VMSTATE_UINT32(props.paylen, struct e1000e_tx),
 569         VMSTATE_INT8(props.ip, struct e1000e_tx),
 570         VMSTATE_INT8(props.tcp, struct e1000e_tx),
 571         VMSTATE_BOOL(props.tse, struct e1000e_tx),
 572         VMSTATE_BOOL(props.cptse, struct e1000e_tx),
 573         VMSTATE_BOOL(skip_cp, struct e1000e_tx),
 574         VMSTATE_END_OF_LIST()
 575     }
 576 };
 577
 578 static const VMStateDescription e1000e_vmstate_intr_timer = {
 579     .name = "e1000e-intr-timer",
 580     .version_id = 1,
 581     .minimum_version_id = 1,
 582     .fields = (VMStateField[]) {
 583         VMSTATE_TIMER_PTR(timer, E1000IntrDelayTimer),
 584         VMSTATE_BOOL(running, E1000IntrDelayTimer),
 585         VMSTATE_END_OF_LIST()
 586     }
 587 };
 588
 589 #define VMSTATE_E1000E_INTR_DELAY_TIMER(_f, _s)                     \
 590     VMSTATE_STRUCT(_f, _s, 0,                                       \
 591                    e1000e_vmstate_intr_timer, E1000IntrDelayTimer)
 592
 593 #define VMSTATE_E1000E_INTR_DELAY_TIMER_ARRAY(_f, _s, _num)         \
 594     VMSTATE_STRUCT_ARRAY(_f, _s, _num, 0,                           \
 595                          e1000e_vmstate_intr_timer, E1000IntrDelayTimer)
 596
 597 static const VMStateDescription e1000e_vmstate = {
 598     .name = "e1000e",
 599     .version_id = 1,
 600     .minimum_version_id = 1,
 601     .pre_save = e1000e_pre_save,
 602     .post_load = e1000e_post_load,
 603     .fields = (VMStateField[]) {
 604         VMSTATE_PCI_DEVICE(parent_obj, E1000EState),
 605         VMSTATE_MSIX(parent_obj, E1000EState),
 606
 607         VMSTATE_UINT32(ioaddr, E1000EState),
 608         VMSTATE_UINT32(core.rxbuf_min_shift, E1000EState),
 609         VMSTATE_UINT8(core.rx_desc_len, E1000EState),
 610         VMSTATE_UINT32_ARRAY(core.rxbuf_sizes, E1000EState,
 611                              E1000_PSRCTL_BUFFS_PER_DESC),
 612         VMSTATE_UINT32(core.rx_desc_buf_size, E1000EState),
 613         VMSTATE_UINT16_ARRAY(core.eeprom, E1000EState, E1000E_EEPROM_SIZE),
 614         VMSTATE_UINT16_2DARRAY(core.phy, E1000EState,
 615                                E1000E_PHY_PAGES, E1000E_PHY_PAGE_SIZE),
 616         VMSTATE_UINT32_ARRAY(core.mac, E1000EState, E1000E_MAC_SIZE),
 617         VMSTATE_UINT8_ARRAY(core.permanent_mac, E1000EState, ETH_ALEN),
 618
 619         VMSTATE_UINT32(core.delayed_causes, E1000EState),
 620
 621         VMSTATE_UINT16(subsys, E1000EState),
 622         VMSTATE_UINT16(subsys_ven, E1000EState),
 623
 624         VMSTATE_E1000E_INTR_DELAY_TIMER(core.rdtr, E1000EState),
 625         VMSTATE_E1000E_INTR_DELAY_TIMER(core.radv, E1000EState),
 626         VMSTATE_E1000E_INTR_DELAY_TIMER(core.raid, E1000EState),
 627         VMSTATE_E1000E_INTR_DELAY_TIMER(core.tadv, E1000EState),
 628         VMSTATE_E1000E_INTR_DELAY_TIMER(core.tidv, E1000EState),
 629
 630         VMSTATE_E1000E_INTR_DELAY_TIMER(core.itr, E1000EState),
 631         VMSTATE_BOOL(core.itr_intr_pending, E1000EState),
 632
 633         VMSTATE_E1000E_INTR_DELAY_TIMER_ARRAY(core.eitr, E1000EState,
 634                                               E1000E_MSIX_VEC_NUM),
 635         VMSTATE_BOOL_ARRAY(core.eitr_intr_pending, E1000EState,
 636                            E1000E_MSIX_VEC_NUM),
 637
 638         VMSTATE_UINT32(core.itr_guest_value, E1000EState),
 639         VMSTATE_UINT32_ARRAY(core.eitr_guest_value, E1000EState,
 640                              E1000E_MSIX_VEC_NUM),
 641
 642         VMSTATE_UINT16(core.vet, E1000EState),
 643
 644         VMSTATE_STRUCT_ARRAY(core.tx, E1000EState, E1000E_NUM_QUEUES, 0,
 645                              e1000e_vmstate_tx, struct e1000e_tx),
 646         VMSTATE_END_OF_LIST()
 647     }
 648 };
 649
 650 static PropertyInfo e1000e_prop_disable_vnet,
 651                     e1000e_prop_subsys_ven,
 652                     e1000e_prop_subsys;
 653
 654 static Property e1000e_properties[] = {
 655     DEFINE_NIC_PROPERTIES(E1000EState, conf),
 656     DEFINE_PROP_SIGNED("disable_vnet_hdr", E1000EState, disable_vnet, false,
 657                         e1000e_prop_disable_vnet, bool),
 658     DEFINE_PROP_SIGNED("subsys_ven", E1000EState, subsys_ven,
 659                         PCI_VENDOR_ID_INTEL,
 660                         e1000e_prop_subsys_ven, uint16_t),
 661     DEFINE_PROP_SIGNED("subsys", E1000EState, subsys, 0,
 662                         e1000e_prop_subsys, uint16_t),
 663     DEFINE_PROP_END_OF_LIST(),
 664 };
 665
 666 static void e1000e_class_init(ObjectClass *class, void *data)
 667 {
 668     DeviceClass *dc = DEVICE_CLASS(class);
 669     PCIDeviceClass *c = PCI_DEVICE_CLASS(class);
 670
 671     c->realize = e1000e_pci_realize;
 672     c->exit = e1000e_pci_uninit;
 673     c->vendor_id = PCI_VENDOR_ID_INTEL;
 674     c->device_id = E1000_DEV_ID_82574L;
 675     c->revision = 0;
 676     c->romfile = "efi-e1000e.rom";
 677     c->class_id = PCI_CLASS_NETWORK_ETHERNET;
 678     c->is_express = 1;
 679
 680     dc->desc = "Intel 82574L GbE Controller";
 681     dc->reset = e1000e_qdev_reset;
 682     dc->vmsd = &e1000e_vmstate;
 683     dc->props = e1000e_properties;
 684
 685     e1000e_prop_disable_vnet = qdev_prop_uint8;
 686     e1000e_prop_disable_vnet.description = "Do not use virtio headers, "
 687                                            "perform SW offloads emulation "
 688                                            "instead";
 689
 690     e1000e_prop_subsys_ven = qdev_prop_uint16;
 691     e1000e_prop_subsys_ven.description = "PCI device Subsystem Vendor ID";
 692
 693     e1000e_prop_subsys = qdev_prop_uint16;
 694     e1000e_prop_subsys.description = "PCI device Subsystem ID";
 695
 696     set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
 697 }
 698
 699 static void e1000e_instance_init(Object *obj)
 700 {
 701     E1000EState *s = E1000E(obj);
 702     device_add_bootindex_property(obj, &s->conf.bootindex,
 703                                   "bootindex", "/ethernet-phy@0",
 704                                   DEVICE(obj), NULL);
 705 }
 706
 707 static const TypeInfo e1000e_info = {
 708     .name = TYPE_E1000E,
 709     .parent = TYPE_PCI_DEVICE,
 710     .instance_size = sizeof(E1000EState),
 711     .class_init = e1000e_class_init,
 712     .instance_init = e1000e_instance_init,
 713     .interfaces = (InterfaceInfo[]) {
 714         { INTERFACE_PCIE_DEVICE },
 715         { }
 716     },
 717 };
 718
 719 static void e1000e_register_types(void)
 720 {
 721     type_register_static(&e1000e_info);
 722 }
 723
 724 type_init(e1000e_register_types)