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 2.1 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/eth.h"
  39 #include "net/net.h"
  40 #include "net/tap.h"
  41 #include "qemu/module.h"
  42 #include "qemu/range.h"
  43 #include "sysemu/sysemu.h"
  44 #include "hw/hw.h"
  45 #include "hw/net/mii.h"
  46 #include "hw/pci/msi.h"
  47 #include "hw/pci/msix.h"
  48 #include "hw/qdev-properties.h"
  49 #include "migration/vmstate.h"
  50
  51 #include "e1000_common.h"
  52 #include "e1000x_common.h"
  53 #include "e1000e_core.h"
  54
  55 #include "trace.h"
  56 #include "qapi/error.h"
  57 #include "qom/object.h"
  58
  59 #define TYPE_E1000E "e1000e"
  60 OBJECT_DECLARE_SIMPLE_TYPE(E1000EState, E1000E)
  61
  62 struct E1000EState {
  63     PCIDevice parent_obj;
  64     NICState *nic;
  65     NICConf conf;
  66
  67     MemoryRegion mmio;
  68     MemoryRegion flash;
  69     MemoryRegion io;
  70     MemoryRegion msix;
  71
  72     uint32_t ioaddr;
  73
  74     uint16_t subsys_ven;
  75     uint16_t subsys;
  76
  77     uint16_t subsys_ven_used;
  78     uint16_t subsys_used;
  79
  80     bool disable_vnet;
  81
  82     E1000ECore core;
  83     bool init_vet;
  84     bool timadj;
  85 };
  86
  87 #define E1000E_MMIO_IDX     0
  88 #define E1000E_FLASH_IDX    1
  89 #define E1000E_IO_IDX       2
  90 #define E1000E_MSIX_IDX     3
  91
  92 #define E1000E_MMIO_SIZE    (128 * KiB)
  93 #define E1000E_FLASH_SIZE   (128 * KiB)
  94 #define E1000E_IO_SIZE      (32)
  95 #define E1000E_MSIX_SIZE    (16 * KiB)
  96
  97 #define E1000E_MSIX_TABLE   (0x0000)
  98 #define E1000E_MSIX_PBA     (0x2000)
  99
 100 static uint64_t
 101 e1000e_mmio_read(void *opaque, hwaddr addr, unsigned size)
 102 {
 103     E1000EState *s = opaque;
 104     return e1000e_core_read(&s->core, addr, size);
 105 }
 106
 107 static void
 108 e1000e_mmio_write(void *opaque, hwaddr addr,
 109                    uint64_t val, unsigned size)
 110 {
 111     E1000EState *s = opaque;
 112     e1000e_core_write(&s->core, addr, val, size);
 113 }
 114
 115 static bool
 116 e1000e_io_get_reg_index(E1000EState *s, uint32_t *idx)
 117 {
 118     if (s->ioaddr < 0x1FFFF) {
 119         *idx = s->ioaddr;
 120         return true;
 121     }
 122
 123     if (s->ioaddr < 0x7FFFF) {
 124         trace_e1000e_wrn_io_addr_undefined(s->ioaddr);
 125         return false;
 126     }
 127
 128     if (s->ioaddr < 0xFFFFF) {
 129         trace_e1000e_wrn_io_addr_flash(s->ioaddr);
 130         return false;
 131     }
 132
 133     trace_e1000e_wrn_io_addr_unknown(s->ioaddr);
 134     return false;
 135 }
 136
 137 static uint64_t
 138 e1000e_io_read(void *opaque, hwaddr addr, unsigned size)
 139 {
 140     E1000EState *s = opaque;
 141     uint32_t idx = 0;
 142     uint64_t val;
 143
 144     switch (addr) {
 145     case E1000_IOADDR:
 146         trace_e1000e_io_read_addr(s->ioaddr);
 147         return s->ioaddr;
 148     case E1000_IODATA:
 149         if (e1000e_io_get_reg_index(s, &idx)) {
 150             val = e1000e_core_read(&s->core, idx, sizeof(val));
 151             trace_e1000e_io_read_data(idx, val);
 152             return val;
 153         }
 154         return 0;
 155     default:
 156         trace_e1000e_wrn_io_read_unknown(addr);
 157         return 0;
 158     }
 159 }
 160
 161 static void
 162 e1000e_io_write(void *opaque, hwaddr addr,
 163                 uint64_t val, unsigned size)
 164 {
 165     E1000EState *s = opaque;
 166     uint32_t idx = 0;
 167
 168     switch (addr) {
 169     case E1000_IOADDR:
 170         trace_e1000e_io_write_addr(val);
 171         s->ioaddr = (uint32_t) val;
 172         return;
 173     case E1000_IODATA:
 174         if (e1000e_io_get_reg_index(s, &idx)) {
 175             trace_e1000e_io_write_data(idx, val);
 176             e1000e_core_write(&s->core, idx, val, sizeof(val));
 177         }
 178         return;
 179     default:
 180         trace_e1000e_wrn_io_write_unknown(addr);
 181         return;
 182     }
 183 }
 184
 185 static const MemoryRegionOps mmio_ops = {
 186     .read = e1000e_mmio_read,
 187     .write = e1000e_mmio_write,
 188     .endianness = DEVICE_LITTLE_ENDIAN,
 189     .impl = {
 190         .min_access_size = 4,
 191         .max_access_size = 4,
 192     },
 193 };
 194
 195 static const MemoryRegionOps io_ops = {
 196     .read = e1000e_io_read,
 197     .write = e1000e_io_write,
 198     .endianness = DEVICE_LITTLE_ENDIAN,
 199     .impl = {
 200         .min_access_size = 4,
 201         .max_access_size = 4,
 202     },
 203 };
 204
 205 static bool
 206 e1000e_nc_can_receive(NetClientState *nc)
 207 {
 208     E1000EState *s = qemu_get_nic_opaque(nc);
 209     return e1000e_can_receive(&s->core);
 210 }
 211
 212 static ssize_t
 213 e1000e_nc_receive_iov(NetClientState *nc, const struct iovec *iov, int iovcnt)
 214 {
 215     E1000EState *s = qemu_get_nic_opaque(nc);
 216     return e1000e_receive_iov(&s->core, iov, iovcnt);
 217 }
 218
 219 static ssize_t
 220 e1000e_nc_receive(NetClientState *nc, const uint8_t *buf, size_t size)
 221 {
 222     E1000EState *s = qemu_get_nic_opaque(nc);
 223     return e1000e_receive(&s->core, buf, size);
 224 }
 225
 226 static void
 227 e1000e_set_link_status(NetClientState *nc)
 228 {
 229     E1000EState *s = qemu_get_nic_opaque(nc);
 230     e1000e_core_set_link_status(&s->core);
 231 }
 232
 233 static NetClientInfo net_e1000e_info = {
 234     .type = NET_CLIENT_DRIVER_NIC,
 235     .size = sizeof(NICState),
 236     .can_receive = e1000e_nc_can_receive,
 237     .receive = e1000e_nc_receive,
 238     .receive_iov = e1000e_nc_receive_iov,
 239     .link_status_changed = e1000e_set_link_status,
 240 };
 241
 242 /*
 243  * EEPROM (NVM) contents documented in Table 36, section 6.1
 244  * and generally 6.1.2 Software accessed words.
 245  */
 246 static const uint16_t e1000e_eeprom_template[64] = {
 247   /*        Address        |    Compat.    | ImVer |   Compat.     */
 248     0x0000, 0x0000, 0x0000, 0x0420, 0xf746, 0x2010, 0xffff, 0xffff,
 249   /*      PBA      |ICtrl1 | SSID  | SVID  | DevID |-------|ICtrl2 */
 250     0x0000, 0x0000, 0x026b, 0x0000, 0x8086, 0x0000, 0x0000, 0x8058,
 251   /*    NVM words 1,2,3    |-------------------------------|PCI-EID*/
 252     0x0000, 0x2001, 0x7e7c, 0xffff, 0x1000, 0x00c8, 0x0000, 0x2704,
 253   /* PCIe Init. Conf 1,2,3 |PCICtrl|PHY|LD1|-------| RevID | LD0,2 */
 254     0x6cc9, 0x3150, 0x070e, 0x460b, 0x2d84, 0x0100, 0xf000, 0x0706,
 255   /* FLPAR |FLANADD|LAN-PWR|FlVndr |ICtrl3 |APTSMBA|APTRxEP|APTSMBC*/
 256     0x6000, 0x0080, 0x0f04, 0x7fff, 0x4f01, 0xc600, 0x0000, 0x20ff,
 257   /* APTIF | APTMC |APTuCP |LSWFWID|MSWFWID|NC-SIMC|NC-SIC | VPDP  */
 258     0x0028, 0x0003, 0x0000, 0x0000, 0x0000, 0x0003, 0x0000, 0xffff,
 259   /*                            SW Section                         */
 260     0x0100, 0xc000, 0x121c, 0xc007, 0xffff, 0xffff, 0xffff, 0xffff,
 261   /*                      SW Section                       |CHKSUM */
 262     0xffff, 0xffff, 0xffff, 0xffff, 0x0000, 0x0120, 0xffff, 0x0000,
 263 };
 264
 265 static void e1000e_core_realize(E1000EState *s)
 266 {
 267     s->core.owner = &s->parent_obj;
 268     s->core.owner_nic = s->nic;
 269 }
 270
 271 static void
 272 e1000e_unuse_msix_vectors(E1000EState *s, int num_vectors)
 273 {
 274     int i;
 275     for (i = 0; i < num_vectors; i++) {
 276         msix_vector_unuse(PCI_DEVICE(s), i);
 277     }
 278 }
 279
 280 static void
 281 e1000e_use_msix_vectors(E1000EState *s, int num_vectors)
 282 {
 283     int i;
 284     for (i = 0; i < num_vectors; i++) {
 285         msix_vector_use(PCI_DEVICE(s), i);
 286     }
 287 }
 288
 289 static void
 290 e1000e_init_msix(E1000EState *s)
 291 {
 292     int res = msix_init(PCI_DEVICE(s), E1000E_MSIX_VEC_NUM,
 293                         &s->msix,
 294                         E1000E_MSIX_IDX, E1000E_MSIX_TABLE,
 295                         &s->msix,
 296                         E1000E_MSIX_IDX, E1000E_MSIX_PBA,
 297                         0xA0, NULL);
 298
 299     if (res < 0) {
 300         trace_e1000e_msix_init_fail(res);
 301     } else {
 302         e1000e_use_msix_vectors(s, E1000E_MSIX_VEC_NUM);
 303     }
 304 }
 305
 306 static void
 307 e1000e_cleanup_msix(E1000EState *s)
 308 {
 309     if (msix_present(PCI_DEVICE(s))) {
 310         e1000e_unuse_msix_vectors(s, E1000E_MSIX_VEC_NUM);
 311         msix_uninit(PCI_DEVICE(s), &s->msix, &s->msix);
 312     }
 313 }
 314
 315 static void
 316 e1000e_init_net_peer(E1000EState *s, PCIDevice *pci_dev, uint8_t *macaddr)
 317 {
 318     DeviceState *dev = DEVICE(pci_dev);
 319     NetClientState *nc;
 320     int i;
 321
 322     s->nic = qemu_new_nic(&net_e1000e_info, &s->conf,
 323         object_get_typename(OBJECT(s)), dev->id, &dev->mem_reentrancy_guard, s);
 324
 325     s->core.max_queue_num = s->conf.peers.queues ? s->conf.peers.queues - 1 : 0;
 326
 327     trace_e1000e_mac_set_permanent(MAC_ARG(macaddr));
 328     memcpy(s->core.permanent_mac, macaddr, sizeof(s->core.permanent_mac));
 329
 330     qemu_format_nic_info_str(qemu_get_queue(s->nic), macaddr);
 331
 332     /* Setup virtio headers */
 333     if (s->disable_vnet) {
 334         s->core.has_vnet = false;
 335         trace_e1000e_cfg_support_virtio(false);
 336         return;
 337     } else {
 338         s->core.has_vnet = true;
 339     }
 340
 341     for (i = 0; i < s->conf.peers.queues; i++) {
 342         nc = qemu_get_subqueue(s->nic, i);
 343         if (!nc->peer || !qemu_has_vnet_hdr(nc->peer)) {
 344             s->core.has_vnet = false;
 345             trace_e1000e_cfg_support_virtio(false);
 346             return;
 347         }
 348     }
 349
 350     trace_e1000e_cfg_support_virtio(true);
 351
 352     for (i = 0; i < s->conf.peers.queues; i++) {
 353         nc = qemu_get_subqueue(s->nic, i);
 354         qemu_set_vnet_hdr_len(nc->peer, sizeof(struct virtio_net_hdr));
 355         qemu_using_vnet_hdr(nc->peer, true);
 356     }
 357 }
 358
 359 static inline uint64_t
 360 e1000e_gen_dsn(uint8_t *mac)
 361 {
 362     return (uint64_t)(mac[5])        |
 363            (uint64_t)(mac[4])  << 8  |
 364            (uint64_t)(mac[3])  << 16 |
 365            (uint64_t)(0x00FF)  << 24 |
 366            (uint64_t)(0x00FF)  << 32 |
 367            (uint64_t)(mac[2])  << 40 |
 368            (uint64_t)(mac[1])  << 48 |
 369            (uint64_t)(mac[0])  << 56;
 370 }
 371
 372 static int
 373 e1000e_add_pm_capability(PCIDevice *pdev, uint8_t offset, uint16_t pmc)
 374 {
 375     Error *local_err = NULL;
 376     int ret = pci_add_capability(pdev, PCI_CAP_ID_PM, offset,
 377                                  PCI_PM_SIZEOF, &local_err);
 378
 379     if (local_err) {
 380         error_report_err(local_err);
 381         return ret;
 382     }
 383
 384     pci_set_word(pdev->config + offset + PCI_PM_PMC,
 385                  PCI_PM_CAP_VER_1_1 |
 386                  pmc);
 387
 388     pci_set_word(pdev->wmask + offset + PCI_PM_CTRL,
 389                  PCI_PM_CTRL_STATE_MASK |
 390                  PCI_PM_CTRL_PME_ENABLE |
 391                  PCI_PM_CTRL_DATA_SEL_MASK);
 392
 393     pci_set_word(pdev->w1cmask + offset + PCI_PM_CTRL,
 394                  PCI_PM_CTRL_PME_STATUS);
 395
 396     return ret;
 397 }
 398
 399 static void e1000e_write_config(PCIDevice *pci_dev, uint32_t address,
 400                                 uint32_t val, int len)
 401 {
 402     E1000EState *s = E1000E(pci_dev);
 403
 404     pci_default_write_config(pci_dev, address, val, len);
 405
 406     if (range_covers_byte(address, len, PCI_COMMAND) &&
 407         (pci_dev->config[PCI_COMMAND] & PCI_COMMAND_MASTER)) {
 408         e1000e_start_recv(&s->core);
 409     }
 410 }
 411
 412 static void e1000e_pci_realize(PCIDevice *pci_dev, Error **errp)
 413 {
 414     static const uint16_t e1000e_pmrb_offset = 0x0C8;
 415     static const uint16_t e1000e_pcie_offset = 0x0E0;
 416     static const uint16_t e1000e_aer_offset =  0x100;
 417     static const uint16_t e1000e_dsn_offset =  0x140;
 418     E1000EState *s = E1000E(pci_dev);
 419     uint8_t *macaddr;
 420     int ret;
 421
 422     trace_e1000e_cb_pci_realize();
 423
 424     pci_dev->config_write = e1000e_write_config;
 425
 426     pci_dev->config[PCI_CACHE_LINE_SIZE] = 0x10;
 427     pci_dev->config[PCI_INTERRUPT_PIN] = 1;
 428
 429     pci_set_word(pci_dev->config + PCI_SUBSYSTEM_VENDOR_ID, s->subsys_ven);
 430     pci_set_word(pci_dev->config + PCI_SUBSYSTEM_ID, s->subsys);
 431
 432     s->subsys_ven_used = s->subsys_ven;
 433     s->subsys_used = s->subsys;
 434
 435     /* Define IO/MMIO regions */
 436     memory_region_init_io(&s->mmio, OBJECT(s), &mmio_ops, s,
 437                           "e1000e-mmio", E1000E_MMIO_SIZE);
 438     pci_register_bar(pci_dev, E1000E_MMIO_IDX,
 439                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mmio);
 440
 441     /*
 442      * We provide a dummy implementation for the flash BAR
 443      * for drivers that may theoretically probe for its presence.
 444      */
 445     memory_region_init(&s->flash, OBJECT(s),
 446                        "e1000e-flash", E1000E_FLASH_SIZE);
 447     pci_register_bar(pci_dev, E1000E_FLASH_IDX,
 448                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->flash);
 449
 450     memory_region_init_io(&s->io, OBJECT(s), &io_ops, s,
 451                           "e1000e-io", E1000E_IO_SIZE);
 452     pci_register_bar(pci_dev, E1000E_IO_IDX,
 453                      PCI_BASE_ADDRESS_SPACE_IO, &s->io);
 454
 455     memory_region_init(&s->msix, OBJECT(s), "e1000e-msix",
 456                        E1000E_MSIX_SIZE);
 457     pci_register_bar(pci_dev, E1000E_MSIX_IDX,
 458                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->msix);
 459
 460     /* Create networking backend */
 461     qemu_macaddr_default_if_unset(&s->conf.macaddr);
 462     macaddr = s->conf.macaddr.a;
 463
 464     e1000e_init_msix(s);
 465
 466     if (pcie_endpoint_cap_v1_init(pci_dev, e1000e_pcie_offset) < 0) {
 467         hw_error("Failed to initialize PCIe capability");
 468     }
 469
 470     ret = msi_init(PCI_DEVICE(s), 0xD0, 1, true, false, NULL);
 471     if (ret) {
 472         trace_e1000e_msi_init_fail(ret);
 473     }
 474
 475     if (e1000e_add_pm_capability(pci_dev, e1000e_pmrb_offset,
 476                                   PCI_PM_CAP_DSI) < 0) {
 477         hw_error("Failed to initialize PM capability");
 478     }
 479
 480     if (pcie_aer_init(pci_dev, PCI_ERR_VER, e1000e_aer_offset,
 481                       PCI_ERR_SIZEOF, NULL) < 0) {
 482         hw_error("Failed to initialize AER capability");
 483     }
 484
 485     pcie_dev_ser_num_init(pci_dev, e1000e_dsn_offset,
 486                           e1000e_gen_dsn(macaddr));
 487
 488     e1000e_init_net_peer(s, pci_dev, macaddr);
 489
 490     /* Initialize core */
 491     e1000e_core_realize(s);
 492
 493     e1000e_core_pci_realize(&s->core,
 494                             e1000e_eeprom_template,
 495                             sizeof(e1000e_eeprom_template),
 496                             macaddr);
 497 }
 498
 499 static void e1000e_pci_uninit(PCIDevice *pci_dev)
 500 {
 501     E1000EState *s = E1000E(pci_dev);
 502
 503     trace_e1000e_cb_pci_uninit();
 504
 505     e1000e_core_pci_uninit(&s->core);
 506
 507     pcie_aer_exit(pci_dev);
 508     pcie_cap_exit(pci_dev);
 509
 510     qemu_del_nic(s->nic);
 511
 512     e1000e_cleanup_msix(s);
 513     msi_uninit(pci_dev);
 514 }
 515
 516 static void e1000e_qdev_reset_hold(Object *obj)
 517 {
 518     E1000EState *s = E1000E(obj);
 519
 520     trace_e1000e_cb_qdev_reset_hold();
 521
 522     e1000e_core_reset(&s->core);
 523
 524     if (s->init_vet) {
 525         s->core.mac[VET] = ETH_P_VLAN;
 526     }
 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 bool e1000e_migrate_timadj(void *opaque, int version_id)
 558 {
 559     E1000EState *s = opaque;
 560     return s->timadj;
 561 }
 562
 563 static const VMStateDescription e1000e_vmstate_tx = {
 564     .name = "e1000e-tx",
 565     .version_id = 1,
 566     .minimum_version_id = 1,
 567     .fields = (const VMStateField[]) {
 568         VMSTATE_UINT8(sum_needed, struct e1000e_tx),
 569         VMSTATE_UINT8(props.ipcss, struct e1000e_tx),
 570         VMSTATE_UINT8(props.ipcso, struct e1000e_tx),
 571         VMSTATE_UINT16(props.ipcse, struct e1000e_tx),
 572         VMSTATE_UINT8(props.tucss, struct e1000e_tx),
 573         VMSTATE_UINT8(props.tucso, struct e1000e_tx),
 574         VMSTATE_UINT16(props.tucse, struct e1000e_tx),
 575         VMSTATE_UINT8(props.hdr_len, struct e1000e_tx),
 576         VMSTATE_UINT16(props.mss, struct e1000e_tx),
 577         VMSTATE_UINT32(props.paylen, struct e1000e_tx),
 578         VMSTATE_INT8(props.ip, struct e1000e_tx),
 579         VMSTATE_INT8(props.tcp, struct e1000e_tx),
 580         VMSTATE_BOOL(props.tse, struct e1000e_tx),
 581         VMSTATE_BOOL(cptse, struct e1000e_tx),
 582         VMSTATE_BOOL(skip_cp, struct e1000e_tx),
 583         VMSTATE_END_OF_LIST()
 584     }
 585 };
 586
 587 static const VMStateDescription e1000e_vmstate_intr_timer = {
 588     .name = "e1000e-intr-timer",
 589     .version_id = 1,
 590     .minimum_version_id = 1,
 591     .fields = (const VMStateField[]) {
 592         VMSTATE_TIMER_PTR(timer, E1000IntrDelayTimer),
 593         VMSTATE_BOOL(running, E1000IntrDelayTimer),
 594         VMSTATE_END_OF_LIST()
 595     }
 596 };
 597
 598 #define VMSTATE_E1000E_INTR_DELAY_TIMER(_f, _s)                     \
 599     VMSTATE_STRUCT(_f, _s, 0,                                       \
 600                    e1000e_vmstate_intr_timer, E1000IntrDelayTimer)
 601
 602 #define VMSTATE_E1000E_INTR_DELAY_TIMER_ARRAY(_f, _s, _num)         \
 603     VMSTATE_STRUCT_ARRAY(_f, _s, _num, 0,                           \
 604                          e1000e_vmstate_intr_timer, E1000IntrDelayTimer)
 605
 606 static const VMStateDescription e1000e_vmstate = {
 607     .name = "e1000e",
 608     .version_id = 1,
 609     .minimum_version_id = 1,
 610     .pre_save = e1000e_pre_save,
 611     .post_load = e1000e_post_load,
 612     .fields = (const VMStateField[]) {
 613         VMSTATE_PCI_DEVICE(parent_obj, E1000EState),
 614         VMSTATE_MSIX(parent_obj, E1000EState),
 615
 616         VMSTATE_UINT32(ioaddr, E1000EState),
 617         VMSTATE_UINT32(core.rxbuf_min_shift, E1000EState),
 618         VMSTATE_UINT8(core.rx_desc_len, E1000EState),
 619         VMSTATE_UINT32_ARRAY(core.rxbuf_sizes, E1000EState,
 620                              E1000_PSRCTL_BUFFS_PER_DESC),
 621         VMSTATE_UINT32(core.rx_desc_buf_size, E1000EState),
 622         VMSTATE_UINT16_ARRAY(core.eeprom, E1000EState, E1000E_EEPROM_SIZE),
 623         VMSTATE_UINT16_2DARRAY(core.phy, E1000EState,
 624                                E1000E_PHY_PAGES, E1000E_PHY_PAGE_SIZE),
 625         VMSTATE_UINT32_ARRAY(core.mac, E1000EState, E1000E_MAC_SIZE),
 626         VMSTATE_UINT8_ARRAY(core.permanent_mac, E1000EState, ETH_ALEN),
 627
 628         VMSTATE_UINT32(core.delayed_causes, E1000EState),
 629
 630         VMSTATE_UINT16(subsys, E1000EState),
 631         VMSTATE_UINT16(subsys_ven, E1000EState),
 632
 633         VMSTATE_E1000E_INTR_DELAY_TIMER(core.rdtr, E1000EState),
 634         VMSTATE_E1000E_INTR_DELAY_TIMER(core.radv, E1000EState),
 635         VMSTATE_E1000E_INTR_DELAY_TIMER(core.raid, E1000EState),
 636         VMSTATE_E1000E_INTR_DELAY_TIMER(core.tadv, E1000EState),
 637         VMSTATE_E1000E_INTR_DELAY_TIMER(core.tidv, E1000EState),
 638
 639         VMSTATE_E1000E_INTR_DELAY_TIMER(core.itr, E1000EState),
 640         VMSTATE_UNUSED(1),
 641
 642         VMSTATE_E1000E_INTR_DELAY_TIMER_ARRAY(core.eitr, E1000EState,
 643                                               E1000E_MSIX_VEC_NUM),
 644         VMSTATE_UNUSED(E1000E_MSIX_VEC_NUM),
 645
 646         VMSTATE_UINT32(core.itr_guest_value, E1000EState),
 647         VMSTATE_UINT32_ARRAY(core.eitr_guest_value, E1000EState,
 648                              E1000E_MSIX_VEC_NUM),
 649
 650         VMSTATE_UINT16(core.vet, E1000EState),
 651
 652         VMSTATE_STRUCT_ARRAY(core.tx, E1000EState, E1000E_NUM_QUEUES, 0,
 653                              e1000e_vmstate_tx, struct e1000e_tx),
 654
 655         VMSTATE_INT64_TEST(core.timadj, E1000EState, e1000e_migrate_timadj),
 656
 657         VMSTATE_END_OF_LIST()
 658     }
 659 };
 660
 661 static PropertyInfo e1000e_prop_disable_vnet,
 662                     e1000e_prop_subsys_ven,
 663                     e1000e_prop_subsys;
 664
 665 static Property e1000e_properties[] = {
 666     DEFINE_NIC_PROPERTIES(E1000EState, conf),
 667     DEFINE_PROP_SIGNED("disable_vnet_hdr", E1000EState, disable_vnet, false,
 668                         e1000e_prop_disable_vnet, bool),
 669     DEFINE_PROP_SIGNED("subsys_ven", E1000EState, subsys_ven,
 670                         PCI_VENDOR_ID_INTEL,
 671                         e1000e_prop_subsys_ven, uint16_t),
 672     DEFINE_PROP_SIGNED("subsys", E1000EState, subsys, 0,
 673                         e1000e_prop_subsys, uint16_t),
 674     DEFINE_PROP_BOOL("init-vet", E1000EState, init_vet, true),
 675     DEFINE_PROP_BOOL("migrate-timadj", E1000EState, timadj, true),
 676     DEFINE_PROP_END_OF_LIST(),
 677 };
 678
 679 static void e1000e_class_init(ObjectClass *class, void *data)
 680 {
 681     DeviceClass *dc = DEVICE_CLASS(class);
 682     ResettableClass *rc = RESETTABLE_CLASS(class);
 683     PCIDeviceClass *c = PCI_DEVICE_CLASS(class);
 684
 685     c->realize = e1000e_pci_realize;
 686     c->exit = e1000e_pci_uninit;
 687     c->vendor_id = PCI_VENDOR_ID_INTEL;
 688     c->device_id = E1000_DEV_ID_82574L;
 689     c->revision = 0;
 690     c->romfile = "efi-e1000e.rom";
 691     c->class_id = PCI_CLASS_NETWORK_ETHERNET;
 692
 693     rc->phases.hold = e1000e_qdev_reset_hold;
 694
 695     dc->desc = "Intel 82574L GbE Controller";
 696     dc->vmsd = &e1000e_vmstate;
 697
 698     e1000e_prop_disable_vnet = qdev_prop_uint8;
 699     e1000e_prop_disable_vnet.description = "Do not use virtio headers, "
 700                                            "perform SW offloads emulation "
 701                                            "instead";
 702
 703     e1000e_prop_subsys_ven = qdev_prop_uint16;
 704     e1000e_prop_subsys_ven.description = "PCI device Subsystem Vendor ID";
 705
 706     e1000e_prop_subsys = qdev_prop_uint16;
 707     e1000e_prop_subsys.description = "PCI device Subsystem ID";
 708
 709     device_class_set_props(dc, e1000e_properties);
 710     set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
 711 }
 712
 713 static void e1000e_instance_init(Object *obj)
 714 {
 715     E1000EState *s = E1000E(obj);
 716     device_add_bootindex_property(obj, &s->conf.bootindex,
 717                                   "bootindex", "/ethernet-phy@0",
 718                                   DEVICE(obj));
 719 }
 720
 721 static const TypeInfo e1000e_info = {
 722     .name = TYPE_E1000E,
 723     .parent = TYPE_PCI_DEVICE,
 724     .instance_size = sizeof(E1000EState),
 725     .class_init = e1000e_class_init,
 726     .instance_init = e1000e_instance_init,
 727     .interfaces = (InterfaceInfo[]) {
 728         { INTERFACE_PCIE_DEVICE },
 729         { }
 730     },
 731 };
 732
 733 static void e1000e_register_types(void)
 734 {
 735     type_register_static(&e1000e_info);
 736 }
 737
 738 type_init(e1000e_register_types)