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/hw.h"
  44 #include "hw/pci/msi.h"
  45 #include "hw/pci/msix.h"
  46 #include "hw/qdev-properties.h"
  47 #include "migration/vmstate.h"
  48
  49 #include "e1000_regs.h"
  50
  51 #include "e1000x_common.h"
  52 #include "e1000e_core.h"
  53
  54 #include "trace.h"
  55 #include "qapi/error.h"
  56
  57 #define TYPE_E1000E "e1000e"
  58 #define E1000E(obj) OBJECT_CHECK(E1000EState, (obj), TYPE_E1000E)
  59
  60 typedef struct E1000EState {
  61     PCIDevice parent_obj;
  62     NICState *nic;
  63     NICConf conf;
  64
  65     MemoryRegion mmio;
  66     MemoryRegion flash;
  67     MemoryRegion io;
  68     MemoryRegion msix;
  69
  70     uint32_t ioaddr;
  71
  72     uint16_t subsys_ven;
  73     uint16_t subsys;
  74
  75     uint16_t subsys_ven_used;
  76     uint16_t subsys_used;
  77
  78     bool disable_vnet;
  79
  80     E1000ECore core;
  81
  82 } E1000EState;
  83
  84 #define E1000E_MMIO_IDX     0
  85 #define E1000E_FLASH_IDX    1
  86 #define E1000E_IO_IDX       2
  87 #define E1000E_MSIX_IDX     3
  88
  89 #define E1000E_MMIO_SIZE    (128 * KiB)
  90 #define E1000E_FLASH_SIZE   (128 * KiB)
  91 #define E1000E_IO_SIZE      (32)
  92 #define E1000E_MSIX_SIZE    (16 * KiB)
  93
  94 #define E1000E_MSIX_TABLE   (0x0000)
  95 #define E1000E_MSIX_PBA     (0x2000)
  96
  97 static uint64_t
  98 e1000e_mmio_read(void *opaque, hwaddr addr, unsigned size)
  99 {
 100     E1000EState *s = opaque;
 101     return e1000e_core_read(&s->core, addr, size);
 102 }
 103
 104 static void
 105 e1000e_mmio_write(void *opaque, hwaddr addr,
 106                    uint64_t val, unsigned size)
 107 {
 108     E1000EState *s = opaque;
 109     e1000e_core_write(&s->core, addr, val, size);
 110 }
 111
 112 static bool
 113 e1000e_io_get_reg_index(E1000EState *s, uint32_t *idx)
 114 {
 115     if (s->ioaddr < 0x1FFFF) {
 116         *idx = s->ioaddr;
 117         return true;
 118     }
 119
 120     if (s->ioaddr < 0x7FFFF) {
 121         trace_e1000e_wrn_io_addr_undefined(s->ioaddr);
 122         return false;
 123     }
 124
 125     if (s->ioaddr < 0xFFFFF) {
 126         trace_e1000e_wrn_io_addr_flash(s->ioaddr);
 127         return false;
 128     }
 129
 130     trace_e1000e_wrn_io_addr_unknown(s->ioaddr);
 131     return false;
 132 }
 133
 134 static uint64_t
 135 e1000e_io_read(void *opaque, hwaddr addr, unsigned size)
 136 {
 137     E1000EState *s = opaque;
 138     uint32_t idx = 0;
 139     uint64_t val;
 140
 141     switch (addr) {
 142     case E1000_IOADDR:
 143         trace_e1000e_io_read_addr(s->ioaddr);
 144         return s->ioaddr;
 145     case E1000_IODATA:
 146         if (e1000e_io_get_reg_index(s, &idx)) {
 147             val = e1000e_core_read(&s->core, idx, sizeof(val));
 148             trace_e1000e_io_read_data(idx, val);
 149             return val;
 150         }
 151         return 0;
 152     default:
 153         trace_e1000e_wrn_io_read_unknown(addr);
 154         return 0;
 155     }
 156 }
 157
 158 static void
 159 e1000e_io_write(void *opaque, hwaddr addr,
 160                 uint64_t val, unsigned size)
 161 {
 162     E1000EState *s = opaque;
 163     uint32_t idx = 0;
 164
 165     switch (addr) {
 166     case E1000_IOADDR:
 167         trace_e1000e_io_write_addr(val);
 168         s->ioaddr = (uint32_t) val;
 169         return;
 170     case E1000_IODATA:
 171         if (e1000e_io_get_reg_index(s, &idx)) {
 172             trace_e1000e_io_write_data(idx, val);
 173             e1000e_core_write(&s->core, idx, val, sizeof(val));
 174         }
 175         return;
 176     default:
 177         trace_e1000e_wrn_io_write_unknown(addr);
 178         return;
 179     }
 180 }
 181
 182 static const MemoryRegionOps mmio_ops = {
 183     .read = e1000e_mmio_read,
 184     .write = e1000e_mmio_write,
 185     .endianness = DEVICE_LITTLE_ENDIAN,
 186     .impl = {
 187         .min_access_size = 4,
 188         .max_access_size = 4,
 189     },
 190 };
 191
 192 static const MemoryRegionOps io_ops = {
 193     .read = e1000e_io_read,
 194     .write = e1000e_io_write,
 195     .endianness = DEVICE_LITTLE_ENDIAN,
 196     .impl = {
 197         .min_access_size = 4,
 198         .max_access_size = 4,
 199     },
 200 };
 201
 202 static bool
 203 e1000e_nc_can_receive(NetClientState *nc)
 204 {
 205     E1000EState *s = qemu_get_nic_opaque(nc);
 206     return e1000e_can_receive(&s->core);
 207 }
 208
 209 static ssize_t
 210 e1000e_nc_receive_iov(NetClientState *nc, const struct iovec *iov, int iovcnt)
 211 {
 212     E1000EState *s = qemu_get_nic_opaque(nc);
 213     return e1000e_receive_iov(&s->core, iov, iovcnt);
 214 }
 215
 216 static ssize_t
 217 e1000e_nc_receive(NetClientState *nc, const uint8_t *buf, size_t size)
 218 {
 219     E1000EState *s = qemu_get_nic_opaque(nc);
 220     return e1000e_receive(&s->core, buf, size);
 221 }
 222
 223 static void
 224 e1000e_set_link_status(NetClientState *nc)
 225 {
 226     E1000EState *s = qemu_get_nic_opaque(nc);
 227     e1000e_core_set_link_status(&s->core);
 228 }
 229
 230 static NetClientInfo net_e1000e_info = {
 231     .type = NET_CLIENT_DRIVER_NIC,
 232     .size = sizeof(NICState),
 233     .can_receive = e1000e_nc_can_receive,
 234     .receive = e1000e_nc_receive,
 235     .receive_iov = e1000e_nc_receive_iov,
 236     .link_status_changed = e1000e_set_link_status,
 237 };
 238
 239 /*
 240 * EEPROM (NVM) contents documented in Table 36, section 6.1
 241 * and generally 6.1.2 Software accessed words.
 242 */
 243 static const uint16_t e1000e_eeprom_template[64] = {
 244   /*        Address        |    Compat.    | ImVer |   Compat.     */
 245     0x0000, 0x0000, 0x0000, 0x0420, 0xf746, 0x2010, 0xffff, 0xffff,
 246   /*      PBA      |ICtrl1 | SSID  | SVID  | DevID |-------|ICtrl2 */
 247     0x0000, 0x0000, 0x026b, 0x0000, 0x8086, 0x0000, 0x0000, 0x8058,
 248   /*    NVM words 1,2,3    |-------------------------------|PCI-EID*/
 249     0x0000, 0x2001, 0x7e7c, 0xffff, 0x1000, 0x00c8, 0x0000, 0x2704,
 250   /* PCIe Init. Conf 1,2,3 |PCICtrl|PHY|LD1|-------| RevID | LD0,2 */
 251     0x6cc9, 0x3150, 0x070e, 0x460b, 0x2d84, 0x0100, 0xf000, 0x0706,
 252   /* FLPAR |FLANADD|LAN-PWR|FlVndr |ICtrl3 |APTSMBA|APTRxEP|APTSMBC*/
 253     0x6000, 0x0080, 0x0f04, 0x7fff, 0x4f01, 0xc600, 0x0000, 0x20ff,
 254   /* APTIF | APTMC |APTuCP |LSWFWID|MSWFWID|NC-SIMC|NC-SIC | VPDP  */
 255     0x0028, 0x0003, 0x0000, 0x0000, 0x0000, 0x0003, 0x0000, 0xffff,
 256   /*                            SW Section                         */
 257     0x0100, 0xc000, 0x121c, 0xc007, 0xffff, 0xffff, 0xffff, 0xffff,
 258   /*                      SW Section                       |CHKSUM */
 259     0xffff, 0xffff, 0xffff, 0xffff, 0x0000, 0x0120, 0xffff, 0x0000,
 260 };
 261
 262 static void e1000e_core_realize(E1000EState *s)
 263 {
 264     s->core.owner = &s->parent_obj;
 265     s->core.owner_nic = s->nic;
 266 }
 267
 268 static void
 269 e1000e_unuse_msix_vectors(E1000EState *s, int num_vectors)
 270 {
 271     int i;
 272     for (i = 0; i < num_vectors; i++) {
 273         msix_vector_unuse(PCI_DEVICE(s), i);
 274     }
 275 }
 276
 277 static bool
 278 e1000e_use_msix_vectors(E1000EState *s, int num_vectors)
 279 {
 280     int i;
 281     for (i = 0; i < num_vectors; i++) {
 282         int res = msix_vector_use(PCI_DEVICE(s), i);
 283         if (res < 0) {
 284             trace_e1000e_msix_use_vector_fail(i, res);
 285             e1000e_unuse_msix_vectors(s, i);
 286             return false;
 287         }
 288     }
 289     return true;
 290 }
 291
 292 static void
 293 e1000e_init_msix(E1000EState *s)
 294 {
 295     PCIDevice *d = PCI_DEVICE(s);
 296     int res = msix_init(PCI_DEVICE(s), E1000E_MSIX_VEC_NUM,
 297                         &s->msix,
 298                         E1000E_MSIX_IDX, E1000E_MSIX_TABLE,
 299                         &s->msix,
 300                         E1000E_MSIX_IDX, E1000E_MSIX_PBA,
 301                         0xA0, NULL);
 302
 303     if (res < 0) {
 304         trace_e1000e_msix_init_fail(res);
 305     } else {
 306         if (!e1000e_use_msix_vectors(s, E1000E_MSIX_VEC_NUM)) {
 307             msix_uninit(d, &s->msix, &s->msix);
 308         }
 309     }
 310 }
 311
 312 static void
 313 e1000e_cleanup_msix(E1000EState *s)
 314 {
 315     if (msix_present(PCI_DEVICE(s))) {
 316         e1000e_unuse_msix_vectors(s, E1000E_MSIX_VEC_NUM);
 317         msix_uninit(PCI_DEVICE(s), &s->msix, &s->msix);
 318     }
 319 }
 320
 321 static void
 322 e1000e_init_net_peer(E1000EState *s, PCIDevice *pci_dev, uint8_t *macaddr)
 323 {
 324     DeviceState *dev = DEVICE(pci_dev);
 325     NetClientState *nc;
 326     int i;
 327
 328     s->nic = qemu_new_nic(&net_e1000e_info, &s->conf,
 329         object_get_typename(OBJECT(s)), dev->id, s);
 330
 331     s->core.max_queue_num = s->conf.peers.queues ? s->conf.peers.queues - 1 : 0;
 332
 333     trace_e1000e_mac_set_permanent(MAC_ARG(macaddr));
 334     memcpy(s->core.permanent_mac, macaddr, sizeof(s->core.permanent_mac));
 335
 336     qemu_format_nic_info_str(qemu_get_queue(s->nic), macaddr);
 337
 338     /* Setup virtio headers */
 339     if (s->disable_vnet) {
 340         s->core.has_vnet = false;
 341         trace_e1000e_cfg_support_virtio(false);
 342         return;
 343     } else {
 344         s->core.has_vnet = true;
 345     }
 346
 347     for (i = 0; i < s->conf.peers.queues; i++) {
 348         nc = qemu_get_subqueue(s->nic, i);
 349         if (!nc->peer || !qemu_has_vnet_hdr(nc->peer)) {
 350             s->core.has_vnet = false;
 351             trace_e1000e_cfg_support_virtio(false);
 352             return;
 353         }
 354     }
 355
 356     trace_e1000e_cfg_support_virtio(true);
 357
 358     for (i = 0; i < s->conf.peers.queues; i++) {
 359         nc = qemu_get_subqueue(s->nic, i);
 360         qemu_set_vnet_hdr_len(nc->peer, sizeof(struct virtio_net_hdr));
 361         qemu_using_vnet_hdr(nc->peer, true);
 362     }
 363 }
 364
 365 static inline uint64_t
 366 e1000e_gen_dsn(uint8_t *mac)
 367 {
 368     return (uint64_t)(mac[5])        |
 369            (uint64_t)(mac[4])  << 8  |
 370            (uint64_t)(mac[3])  << 16 |
 371            (uint64_t)(0x00FF)  << 24 |
 372            (uint64_t)(0x00FF)  << 32 |
 373            (uint64_t)(mac[2])  << 40 |
 374            (uint64_t)(mac[1])  << 48 |
 375            (uint64_t)(mac[0])  << 56;
 376 }
 377
 378 static int
 379 e1000e_add_pm_capability(PCIDevice *pdev, uint8_t offset, uint16_t pmc)
 380 {
 381     Error *local_err = NULL;
 382     int ret = pci_add_capability(pdev, PCI_CAP_ID_PM, offset,
 383                                  PCI_PM_SIZEOF, &local_err);
 384
 385     if (local_err) {
 386         error_report_err(local_err);
 387         return ret;
 388     }
 389
 390     pci_set_word(pdev->config + offset + PCI_PM_PMC,
 391                  PCI_PM_CAP_VER_1_1 |
 392                  pmc);
 393
 394     pci_set_word(pdev->wmask + offset + PCI_PM_CTRL,
 395                  PCI_PM_CTRL_STATE_MASK |
 396                  PCI_PM_CTRL_PME_ENABLE |
 397                  PCI_PM_CTRL_DATA_SEL_MASK);
 398
 399     pci_set_word(pdev->w1cmask + offset + PCI_PM_CTRL,
 400                  PCI_PM_CTRL_PME_STATUS);
 401
 402     return ret;
 403 }
 404
 405 static void e1000e_write_config(PCIDevice *pci_dev, uint32_t address,
 406                                 uint32_t val, int len)
 407 {
 408     E1000EState *s = E1000E(pci_dev);
 409
 410     pci_default_write_config(pci_dev, address, val, len);
 411
 412     if (range_covers_byte(address, len, PCI_COMMAND) &&
 413         (pci_dev->config[PCI_COMMAND] & PCI_COMMAND_MASTER)) {
 414         e1000e_start_recv(&s->core);
 415     }
 416 }
 417
 418 static void e1000e_pci_realize(PCIDevice *pci_dev, Error **errp)
 419 {
 420     static const uint16_t e1000e_pmrb_offset = 0x0C8;
 421     static const uint16_t e1000e_pcie_offset = 0x0E0;
 422     static const uint16_t e1000e_aer_offset =  0x100;
 423     static const uint16_t e1000e_dsn_offset =  0x140;
 424     E1000EState *s = E1000E(pci_dev);
 425     uint8_t *macaddr;
 426     int ret;
 427
 428     trace_e1000e_cb_pci_realize();
 429
 430     pci_dev->config_write = e1000e_write_config;
 431
 432     pci_dev->config[PCI_CACHE_LINE_SIZE] = 0x10;
 433     pci_dev->config[PCI_INTERRUPT_PIN] = 1;
 434
 435     pci_set_word(pci_dev->config + PCI_SUBSYSTEM_VENDOR_ID, s->subsys_ven);
 436     pci_set_word(pci_dev->config + PCI_SUBSYSTEM_ID, s->subsys);
 437
 438     s->subsys_ven_used = s->subsys_ven;
 439     s->subsys_used = s->subsys;
 440
 441     /* Define IO/MMIO regions */
 442     memory_region_init_io(&s->mmio, OBJECT(s), &mmio_ops, s,
 443                           "e1000e-mmio", E1000E_MMIO_SIZE);
 444     pci_register_bar(pci_dev, E1000E_MMIO_IDX,
 445                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mmio);
 446
 447     /*
 448      * We provide a dummy implementation for the flash BAR
 449      * for drivers that may theoretically probe for its presence.
 450      */
 451     memory_region_init(&s->flash, OBJECT(s),
 452                        "e1000e-flash", E1000E_FLASH_SIZE);
 453     pci_register_bar(pci_dev, E1000E_FLASH_IDX,
 454                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->flash);
 455
 456     memory_region_init_io(&s->io, OBJECT(s), &io_ops, s,
 457                           "e1000e-io", E1000E_IO_SIZE);
 458     pci_register_bar(pci_dev, E1000E_IO_IDX,
 459                      PCI_BASE_ADDRESS_SPACE_IO, &s->io);
 460
 461     memory_region_init(&s->msix, OBJECT(s), "e1000e-msix",
 462                        E1000E_MSIX_SIZE);
 463     pci_register_bar(pci_dev, E1000E_MSIX_IDX,
 464                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->msix);
 465
 466     /* Create networking backend */
 467     qemu_macaddr_default_if_unset(&s->conf.macaddr);
 468     macaddr = s->conf.macaddr.a;
 469
 470     e1000e_init_msix(s);
 471
 472     if (pcie_endpoint_cap_v1_init(pci_dev, e1000e_pcie_offset) < 0) {
 473         hw_error("Failed to initialize PCIe capability");
 474     }
 475
 476     ret = msi_init(PCI_DEVICE(s), 0xD0, 1, true, false, NULL);
 477     if (ret) {
 478         trace_e1000e_msi_init_fail(ret);
 479     }
 480
 481     if (e1000e_add_pm_capability(pci_dev, e1000e_pmrb_offset,
 482                                   PCI_PM_CAP_DSI) < 0) {
 483         hw_error("Failed to initialize PM capability");
 484     }
 485
 486     if (pcie_aer_init(pci_dev, PCI_ERR_VER, e1000e_aer_offset,
 487                       PCI_ERR_SIZEOF, NULL) < 0) {
 488         hw_error("Failed to initialize AER capability");
 489     }
 490
 491     pcie_dev_ser_num_init(pci_dev, e1000e_dsn_offset,
 492                           e1000e_gen_dsn(macaddr));
 493
 494     e1000e_init_net_peer(s, pci_dev, macaddr);
 495
 496     /* Initialize core */
 497     e1000e_core_realize(s);
 498
 499     e1000e_core_pci_realize(&s->core,
 500                             e1000e_eeprom_template,
 501                             sizeof(e1000e_eeprom_template),
 502                             macaddr);
 503 }
 504
 505 static void e1000e_pci_uninit(PCIDevice *pci_dev)
 506 {
 507     E1000EState *s = E1000E(pci_dev);
 508
 509     trace_e1000e_cb_pci_uninit();
 510
 511     e1000e_core_pci_uninit(&s->core);
 512
 513     pcie_aer_exit(pci_dev);
 514     pcie_cap_exit(pci_dev);
 515
 516     qemu_del_nic(s->nic);
 517
 518     e1000e_cleanup_msix(s);
 519     msi_uninit(pci_dev);
 520 }
 521
 522 static void e1000e_qdev_reset(DeviceState *dev)
 523 {
 524     E1000EState *s = E1000E(dev);
 525
 526     trace_e1000e_cb_qdev_reset();
 527
 528     e1000e_core_reset(&s->core);
 529 }
 530
 531 static int e1000e_pre_save(void *opaque)
 532 {
 533     E1000EState *s = opaque;
 534
 535     trace_e1000e_cb_pre_save();
 536
 537     e1000e_core_pre_save(&s->core);
 538
 539     return 0;
 540 }
 541
 542 static int e1000e_post_load(void *opaque, int version_id)
 543 {
 544     E1000EState *s = opaque;
 545
 546     trace_e1000e_cb_post_load();
 547
 548     if ((s->subsys != s->subsys_used) ||
 549         (s->subsys_ven != s->subsys_ven_used)) {
 550         fprintf(stderr,
 551             "ERROR: Cannot migrate while device properties "
 552             "(subsys/subsys_ven) differ");
 553         return -1;
 554     }
 555
 556     return e1000e_core_post_load(&s->core);
 557 }
 558
 559 static const VMStateDescription e1000e_vmstate_tx = {
 560     .name = "e1000e-tx",
 561     .version_id = 1,
 562     .minimum_version_id = 1,
 563     .fields = (VMStateField[]) {
 564         VMSTATE_UINT8(sum_needed, struct e1000e_tx),
 565         VMSTATE_UINT8(props.ipcss, struct e1000e_tx),
 566         VMSTATE_UINT8(props.ipcso, struct e1000e_tx),
 567         VMSTATE_UINT16(props.ipcse, struct e1000e_tx),
 568         VMSTATE_UINT8(props.tucss, struct e1000e_tx),
 569         VMSTATE_UINT8(props.tucso, struct e1000e_tx),
 570         VMSTATE_UINT16(props.tucse, struct e1000e_tx),
 571         VMSTATE_UINT8(props.hdr_len, struct e1000e_tx),
 572         VMSTATE_UINT16(props.mss, struct e1000e_tx),
 573         VMSTATE_UINT32(props.paylen, struct e1000e_tx),
 574         VMSTATE_INT8(props.ip, struct e1000e_tx),
 575         VMSTATE_INT8(props.tcp, struct e1000e_tx),
 576         VMSTATE_BOOL(props.tse, struct e1000e_tx),
 577         VMSTATE_BOOL(cptse, struct e1000e_tx),
 578         VMSTATE_BOOL(skip_cp, struct e1000e_tx),
 579         VMSTATE_END_OF_LIST()
 580     }
 581 };
 582
 583 static const VMStateDescription e1000e_vmstate_intr_timer = {
 584     .name = "e1000e-intr-timer",
 585     .version_id = 1,
 586     .minimum_version_id = 1,
 587     .fields = (VMStateField[]) {
 588         VMSTATE_TIMER_PTR(timer, E1000IntrDelayTimer),
 589         VMSTATE_BOOL(running, E1000IntrDelayTimer),
 590         VMSTATE_END_OF_LIST()
 591     }
 592 };
 593
 594 #define VMSTATE_E1000E_INTR_DELAY_TIMER(_f, _s)                     \
 595     VMSTATE_STRUCT(_f, _s, 0,                                       \
 596                    e1000e_vmstate_intr_timer, E1000IntrDelayTimer)
 597
 598 #define VMSTATE_E1000E_INTR_DELAY_TIMER_ARRAY(_f, _s, _num)         \
 599     VMSTATE_STRUCT_ARRAY(_f, _s, _num, 0,                           \
 600                          e1000e_vmstate_intr_timer, E1000IntrDelayTimer)
 601
 602 static const VMStateDescription e1000e_vmstate = {
 603     .name = "e1000e",
 604     .version_id = 1,
 605     .minimum_version_id = 1,
 606     .pre_save = e1000e_pre_save,
 607     .post_load = e1000e_post_load,
 608     .fields = (VMStateField[]) {
 609         VMSTATE_PCI_DEVICE(parent_obj, E1000EState),
 610         VMSTATE_MSIX(parent_obj, E1000EState),
 611
 612         VMSTATE_UINT32(ioaddr, E1000EState),
 613         VMSTATE_UINT32(core.rxbuf_min_shift, E1000EState),
 614         VMSTATE_UINT8(core.rx_desc_len, E1000EState),
 615         VMSTATE_UINT32_ARRAY(core.rxbuf_sizes, E1000EState,
 616                              E1000_PSRCTL_BUFFS_PER_DESC),
 617         VMSTATE_UINT32(core.rx_desc_buf_size, E1000EState),
 618         VMSTATE_UINT16_ARRAY(core.eeprom, E1000EState, E1000E_EEPROM_SIZE),
 619         VMSTATE_UINT16_2DARRAY(core.phy, E1000EState,
 620                                E1000E_PHY_PAGES, E1000E_PHY_PAGE_SIZE),
 621         VMSTATE_UINT32_ARRAY(core.mac, E1000EState, E1000E_MAC_SIZE),
 622         VMSTATE_UINT8_ARRAY(core.permanent_mac, E1000EState, ETH_ALEN),
 623
 624         VMSTATE_UINT32(core.delayed_causes, E1000EState),
 625
 626         VMSTATE_UINT16(subsys, E1000EState),
 627         VMSTATE_UINT16(subsys_ven, E1000EState),
 628
 629         VMSTATE_E1000E_INTR_DELAY_TIMER(core.rdtr, E1000EState),
 630         VMSTATE_E1000E_INTR_DELAY_TIMER(core.radv, E1000EState),
 631         VMSTATE_E1000E_INTR_DELAY_TIMER(core.raid, E1000EState),
 632         VMSTATE_E1000E_INTR_DELAY_TIMER(core.tadv, E1000EState),
 633         VMSTATE_E1000E_INTR_DELAY_TIMER(core.tidv, E1000EState),
 634
 635         VMSTATE_E1000E_INTR_DELAY_TIMER(core.itr, E1000EState),
 636         VMSTATE_BOOL(core.itr_intr_pending, E1000EState),
 637
 638         VMSTATE_E1000E_INTR_DELAY_TIMER_ARRAY(core.eitr, E1000EState,
 639                                               E1000E_MSIX_VEC_NUM),
 640         VMSTATE_BOOL_ARRAY(core.eitr_intr_pending, E1000EState,
 641                            E1000E_MSIX_VEC_NUM),
 642
 643         VMSTATE_UINT32(core.itr_guest_value, E1000EState),
 644         VMSTATE_UINT32_ARRAY(core.eitr_guest_value, E1000EState,
 645                              E1000E_MSIX_VEC_NUM),
 646
 647         VMSTATE_UINT16(core.vet, E1000EState),
 648
 649         VMSTATE_STRUCT_ARRAY(core.tx, E1000EState, E1000E_NUM_QUEUES, 0,
 650                              e1000e_vmstate_tx, struct e1000e_tx),
 651         VMSTATE_END_OF_LIST()
 652     }
 653 };
 654
 655 static PropertyInfo e1000e_prop_disable_vnet,
 656                     e1000e_prop_subsys_ven,
 657                     e1000e_prop_subsys;
 658
 659 static Property e1000e_properties[] = {
 660     DEFINE_NIC_PROPERTIES(E1000EState, conf),
 661     DEFINE_PROP_SIGNED("disable_vnet_hdr", E1000EState, disable_vnet, false,
 662                         e1000e_prop_disable_vnet, bool),
 663     DEFINE_PROP_SIGNED("subsys_ven", E1000EState, subsys_ven,
 664                         PCI_VENDOR_ID_INTEL,
 665                         e1000e_prop_subsys_ven, uint16_t),
 666     DEFINE_PROP_SIGNED("subsys", E1000EState, subsys, 0,
 667                         e1000e_prop_subsys, uint16_t),
 668     DEFINE_PROP_END_OF_LIST(),
 669 };
 670
 671 static void e1000e_class_init(ObjectClass *class, void *data)
 672 {
 673     DeviceClass *dc = DEVICE_CLASS(class);
 674     PCIDeviceClass *c = PCI_DEVICE_CLASS(class);
 675
 676     c->realize = e1000e_pci_realize;
 677     c->exit = e1000e_pci_uninit;
 678     c->vendor_id = PCI_VENDOR_ID_INTEL;
 679     c->device_id = E1000_DEV_ID_82574L;
 680     c->revision = 0;
 681     c->romfile = "efi-e1000e.rom";
 682     c->class_id = PCI_CLASS_NETWORK_ETHERNET;
 683
 684     dc->desc = "Intel 82574L GbE Controller";
 685     dc->reset = e1000e_qdev_reset;
 686     dc->vmsd = &e1000e_vmstate;
 687
 688     e1000e_prop_disable_vnet = qdev_prop_uint8;
 689     e1000e_prop_disable_vnet.description = "Do not use virtio headers, "
 690                                            "perform SW offloads emulation "
 691                                            "instead";
 692
 693     e1000e_prop_subsys_ven = qdev_prop_uint16;
 694     e1000e_prop_subsys_ven.description = "PCI device Subsystem Vendor ID";
 695
 696     e1000e_prop_subsys = qdev_prop_uint16;
 697     e1000e_prop_subsys.description = "PCI device Subsystem ID";
 698
 699     device_class_set_props(dc, e1000e_properties);
 700     set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
 701 }
 702
 703 static void e1000e_instance_init(Object *obj)
 704 {
 705     E1000EState *s = E1000E(obj);
 706     device_add_bootindex_property(obj, &s->conf.bootindex,
 707                                   "bootindex", "/ethernet-phy@0",
 708                                   DEVICE(obj));
 709 }
 710
 711 static const TypeInfo e1000e_info = {
 712     .name = TYPE_E1000E,
 713     .parent = TYPE_PCI_DEVICE,
 714     .instance_size = sizeof(E1000EState),
 715     .class_init = e1000e_class_init,
 716     .instance_init = e1000e_instance_init,
 717     .interfaces = (InterfaceInfo[]) {
 718         { INTERFACE_PCIE_DEVICE },
 719         { }
 720     },
 721 };
 722
 723 static void e1000e_register_types(void)
 724 {
 725     type_register_static(&e1000e_info);
 726 }
 727
 728 type_init(e1000e_register_types)