xref: /openbmc/qemu/hw/net/igb.c (revision aaeafa5090c8d006d7c39b4e11bcfb8515ef1ece)
1  /*
2   * QEMU Intel 82576 SR/IOV Ethernet Controller Emulation
3   *
4   * Datasheet:
5   * https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/82576eg-gbe-datasheet.pdf
6   *
7   * Copyright (c) 2020-2023 Red Hat, Inc.
8   * Copyright (c) 2015 Ravello Systems LTD (http://ravellosystems.com)
9   * Developed by Daynix Computing LTD (http://www.daynix.com)
10   *
11   * Authors:
12   * Akihiko Odaki <akihiko.odaki@daynix.com>
13   * Gal Hammmer <gal.hammer@sap.com>
14   * Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
15   * Dmitry Fleytman <dmitry@daynix.com>
16   * Leonid Bloch <leonid@daynix.com>
17   * Yan Vugenfirer <yan@daynix.com>
18   *
19   * Based on work done by:
20   * Nir Peleg, Tutis Systems Ltd. for Qumranet Inc.
21   * Copyright (c) 2008 Qumranet
22   * Based on work done by:
23   * Copyright (c) 2007 Dan Aloni
24   * Copyright (c) 2004 Antony T Curtis
25   *
26   * This library is free software; you can redistribute it and/or
27   * modify it under the terms of the GNU Lesser General Public
28   * License as published by the Free Software Foundation; either
29   * version 2.1 of the License, or (at your option) any later version.
30   *
31   * This library is distributed in the hope that it will be useful,
32   * but WITHOUT ANY WARRANTY; without even the implied warranty of
33   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
34   * Lesser General Public License for more details.
35   *
36   * You should have received a copy of the GNU Lesser General Public
37   * License along with this library; if not, see <http://www.gnu.org/licenses/>.
38   */
39  
40  #include "qemu/osdep.h"
41  #include "qemu/units.h"
42  #include "net/eth.h"
43  #include "net/net.h"
44  #include "net/tap.h"
45  #include "qemu/module.h"
46  #include "qemu/range.h"
47  #include "sysemu/sysemu.h"
48  #include "hw/hw.h"
49  #include "hw/net/mii.h"
50  #include "hw/pci/pci.h"
51  #include "hw/pci/pcie.h"
52  #include "hw/pci/pcie_sriov.h"
53  #include "hw/pci/msi.h"
54  #include "hw/pci/msix.h"
55  #include "hw/qdev-properties.h"
56  #include "migration/vmstate.h"
57  
58  #include "igb_common.h"
59  #include "igb_core.h"
60  
61  #include "trace.h"
62  #include "qapi/error.h"
63  #include "qom/object.h"
64  
65  #define TYPE_IGB "igb"
66  OBJECT_DECLARE_SIMPLE_TYPE(IGBState, IGB)
67  
68  struct IGBState {
69      PCIDevice parent_obj;
70      NICState *nic;
71      NICConf conf;
72  
73      MemoryRegion mmio;
74      MemoryRegion flash;
75      MemoryRegion io;
76      MemoryRegion msix;
77  
78      uint32_t ioaddr;
79  
80      IGBCore core;
81      bool has_flr;
82  };
83  
84  #define IGB_CAP_SRIOV_OFFSET    (0x160)
85  #define IGB_VF_OFFSET           (0x80)
86  #define IGB_VF_STRIDE           (2)
87  
88  #define E1000E_MMIO_IDX     0
89  #define E1000E_FLASH_IDX    1
90  #define E1000E_IO_IDX       2
91  #define E1000E_MSIX_IDX     3
92  
93  #define E1000E_MMIO_SIZE    (128 * KiB)
94  #define E1000E_FLASH_SIZE   (128 * KiB)
95  #define E1000E_IO_SIZE      (32)
96  #define E1000E_MSIX_SIZE    (16 * KiB)
97  
98  static void igb_write_config(PCIDevice *dev, uint32_t addr,
99      uint32_t val, int len)
100  {
101      IGBState *s = IGB(dev);
102  
103      trace_igb_write_config(addr, val, len);
104      pci_default_write_config(dev, addr, val, len);
105      if (s->has_flr) {
106          pcie_cap_flr_write_config(dev, addr, val, len);
107      }
108  
109      if (range_covers_byte(addr, len, PCI_COMMAND) &&
110          (dev->config[PCI_COMMAND] & PCI_COMMAND_MASTER)) {
111          igb_start_recv(&s->core);
112      }
113  }
114  
115  uint64_t
116  igb_mmio_read(void *opaque, hwaddr addr, unsigned size)
117  {
118      IGBState *s = opaque;
119      return igb_core_read(&s->core, addr, size);
120  }
121  
122  void
123  igb_mmio_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
124  {
125      IGBState *s = opaque;
126      igb_core_write(&s->core, addr, val, size);
127  }
128  
129  void igb_vf_reset(void *opaque, uint16_t vfn)
130  {
131      IGBState *s = opaque;
132      igb_core_vf_reset(&s->core, vfn);
133  }
134  
135  static bool
136  igb_io_get_reg_index(IGBState *s, uint32_t *idx)
137  {
138      if (s->ioaddr < 0x1FFFF) {
139          *idx = s->ioaddr;
140          return true;
141      }
142  
143      if (s->ioaddr < 0x7FFFF) {
144          trace_e1000e_wrn_io_addr_undefined(s->ioaddr);
145          return false;
146      }
147  
148      if (s->ioaddr < 0xFFFFF) {
149          trace_e1000e_wrn_io_addr_flash(s->ioaddr);
150          return false;
151      }
152  
153      trace_e1000e_wrn_io_addr_unknown(s->ioaddr);
154      return false;
155  }
156  
157  static uint64_t
158  igb_io_read(void *opaque, hwaddr addr, unsigned size)
159  {
160      IGBState *s = opaque;
161      uint32_t idx = 0;
162      uint64_t val;
163  
164      switch (addr) {
165      case E1000_IOADDR:
166          trace_e1000e_io_read_addr(s->ioaddr);
167          return s->ioaddr;
168      case E1000_IODATA:
169          if (igb_io_get_reg_index(s, &idx)) {
170              val = igb_core_read(&s->core, idx, sizeof(val));
171              trace_e1000e_io_read_data(idx, val);
172              return val;
173          }
174          return 0;
175      default:
176          trace_e1000e_wrn_io_read_unknown(addr);
177          return 0;
178      }
179  }
180  
181  static void
182  igb_io_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
183  {
184      IGBState *s = opaque;
185      uint32_t idx = 0;
186  
187      switch (addr) {
188      case E1000_IOADDR:
189          trace_e1000e_io_write_addr(val);
190          s->ioaddr = (uint32_t) val;
191          return;
192      case E1000_IODATA:
193          if (igb_io_get_reg_index(s, &idx)) {
194              trace_e1000e_io_write_data(idx, val);
195              igb_core_write(&s->core, idx, val, sizeof(val));
196          }
197          return;
198      default:
199          trace_e1000e_wrn_io_write_unknown(addr);
200          return;
201      }
202  }
203  
204  static const MemoryRegionOps mmio_ops = {
205      .read = igb_mmio_read,
206      .write = igb_mmio_write,
207      .endianness = DEVICE_LITTLE_ENDIAN,
208      .impl = {
209          .min_access_size = 4,
210          .max_access_size = 4,
211      },
212  };
213  
214  static const MemoryRegionOps io_ops = {
215      .read = igb_io_read,
216      .write = igb_io_write,
217      .endianness = DEVICE_LITTLE_ENDIAN,
218      .impl = {
219          .min_access_size = 4,
220          .max_access_size = 4,
221      },
222  };
223  
224  static bool
225  igb_nc_can_receive(NetClientState *nc)
226  {
227      IGBState *s = qemu_get_nic_opaque(nc);
228      return igb_can_receive(&s->core);
229  }
230  
231  static ssize_t
232  igb_nc_receive_iov(NetClientState *nc, const struct iovec *iov, int iovcnt)
233  {
234      IGBState *s = qemu_get_nic_opaque(nc);
235      return igb_receive_iov(&s->core, iov, iovcnt);
236  }
237  
238  static ssize_t
239  igb_nc_receive(NetClientState *nc, const uint8_t *buf, size_t size)
240  {
241      IGBState *s = qemu_get_nic_opaque(nc);
242      return igb_receive(&s->core, buf, size);
243  }
244  
245  static void
246  igb_set_link_status(NetClientState *nc)
247  {
248      IGBState *s = qemu_get_nic_opaque(nc);
249      igb_core_set_link_status(&s->core);
250  }
251  
252  static NetClientInfo net_igb_info = {
253      .type = NET_CLIENT_DRIVER_NIC,
254      .size = sizeof(NICState),
255      .can_receive = igb_nc_can_receive,
256      .receive = igb_nc_receive,
257      .receive_iov = igb_nc_receive_iov,
258      .link_status_changed = igb_set_link_status,
259  };
260  
261  /*
262   * EEPROM (NVM) contents documented in section 6.1, table 6-1:
263   * and in 6.10 Software accessed words.
264   */
265  static const uint16_t igb_eeprom_template[] = {
266    /*        Address        |Compat.|OEM sp.| ImRev |    OEM sp.    */
267      0x0000, 0x0000, 0x0000, 0x0d34, 0xffff, 0x2010, 0xffff, 0xffff,
268    /*      PBA      |ICtrl1 | SSID  | SVID  | DevID |-------|ICtrl2 */
269      0x1040, 0xffff, 0x002b, 0x0000, 0x8086, 0x10c9, 0x0000, 0x70c3,
270    /* SwPin0| DevID | EESZ  |-------|ICtrl3 |PCI-tc | MSIX  | APtr  */
271      0x0004, 0x10c9, 0x5c00, 0x0000, 0x2880, 0x0014, 0x4a40, 0x0060,
272    /* PCIe Init. Conf 1,2,3 |PCICtrl| LD1,3 |DDevID |DevRev | LD0,2 */
273      0x6cfb, 0xc7b0, 0x0abe, 0x0403, 0x0783, 0x10a6, 0x0001, 0x0602,
274    /* SwPin1| FunC  |LAN-PWR|ManHwC |ICtrl3 | IOVct |VDevID |-------*/
275      0x0004, 0x0020, 0x0000, 0x004a, 0x2080, 0x00f5, 0x10ca, 0x0000,
276    /*---------------| LD1,3 | LD0,2 | ROEnd | ROSta | Wdog  | VPD   */
277      0x0000, 0x0000, 0x4784, 0x4602, 0x0000, 0x0000, 0x1000, 0xffff,
278    /* PCSet0| Ccfg0 |PXEver |IBAcap |PCSet1 | Ccfg1 |iSCVer | ??    */
279      0x0100, 0x4000, 0x131f, 0x4013, 0x0100, 0x4000, 0xffff, 0xffff,
280    /* PCSet2| Ccfg2 |PCSet3 | Ccfg3 | ??    |AltMacP| ??    |CHKSUM */
281      0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x00e0, 0xffff, 0x0000,
282    /* NC-SIC */
283      0x0003,
284  };
285  
286  static void igb_core_realize(IGBState *s)
287  {
288      s->core.owner = &s->parent_obj;
289      s->core.owner_nic = s->nic;
290  }
291  
292  static void
293  igb_init_msix(IGBState *s)
294  {
295      int i, res;
296  
297      res = msix_init(PCI_DEVICE(s), IGB_MSIX_VEC_NUM,
298                      &s->msix,
299                      E1000E_MSIX_IDX, 0,
300                      &s->msix,
301                      E1000E_MSIX_IDX, 0x2000,
302                      0x70, NULL);
303  
304      if (res < 0) {
305          trace_e1000e_msix_init_fail(res);
306      } else {
307          for (i = 0; i < IGB_MSIX_VEC_NUM; i++) {
308              msix_vector_use(PCI_DEVICE(s), i);
309          }
310      }
311  }
312  
313  static void
314  igb_cleanup_msix(IGBState *s)
315  {
316      msix_unuse_all_vectors(PCI_DEVICE(s));
317      msix_uninit(PCI_DEVICE(s), &s->msix, &s->msix);
318  }
319  
320  static void
321  igb_init_net_peer(IGBState *s, PCIDevice *pci_dev, uint8_t *macaddr)
322  {
323      DeviceState *dev = DEVICE(pci_dev);
324      NetClientState *nc;
325      int i;
326  
327      s->nic = qemu_new_nic(&net_igb_info, &s->conf,
328          object_get_typename(OBJECT(s)), dev->id, &dev->mem_reentrancy_guard, s);
329  
330      s->core.max_queue_num = s->conf.peers.queues ? s->conf.peers.queues - 1 : 0;
331  
332      trace_e1000e_mac_set_permanent(MAC_ARG(macaddr));
333      memcpy(s->core.permanent_mac, macaddr, sizeof(s->core.permanent_mac));
334  
335      qemu_format_nic_info_str(qemu_get_queue(s->nic), macaddr);
336  
337      /* Setup virtio headers */
338      for (i = 0; i < s->conf.peers.queues; i++) {
339          nc = qemu_get_subqueue(s->nic, i);
340          if (!nc->peer || !qemu_has_vnet_hdr(nc->peer)) {
341              trace_e1000e_cfg_support_virtio(false);
342              return;
343          }
344      }
345  
346      trace_e1000e_cfg_support_virtio(true);
347      s->core.has_vnet = true;
348  
349      for (i = 0; i < s->conf.peers.queues; i++) {
350          nc = qemu_get_subqueue(s->nic, i);
351          qemu_set_vnet_hdr_len(nc->peer, sizeof(struct virtio_net_hdr));
352          qemu_using_vnet_hdr(nc->peer, true);
353      }
354  }
355  
356  static int
357  igb_add_pm_capability(PCIDevice *pdev, uint8_t offset, uint16_t pmc)
358  {
359      Error *local_err = NULL;
360      int ret = pci_add_capability(pdev, PCI_CAP_ID_PM, offset,
361                                   PCI_PM_SIZEOF, &local_err);
362  
363      if (local_err) {
364          error_report_err(local_err);
365          return ret;
366      }
367  
368      pci_set_word(pdev->config + offset + PCI_PM_PMC,
369                   PCI_PM_CAP_VER_1_1 |
370                   pmc);
371  
372      pci_set_word(pdev->wmask + offset + PCI_PM_CTRL,
373                   PCI_PM_CTRL_STATE_MASK |
374                   PCI_PM_CTRL_PME_ENABLE |
375                   PCI_PM_CTRL_DATA_SEL_MASK);
376  
377      pci_set_word(pdev->w1cmask + offset + PCI_PM_CTRL,
378                   PCI_PM_CTRL_PME_STATUS);
379  
380      return ret;
381  }
382  
383  static void igb_pci_realize(PCIDevice *pci_dev, Error **errp)
384  {
385      IGBState *s = IGB(pci_dev);
386      uint8_t *macaddr;
387      int ret;
388  
389      trace_e1000e_cb_pci_realize();
390  
391      pci_dev->config_write = igb_write_config;
392  
393      pci_dev->config[PCI_CACHE_LINE_SIZE] = 0x10;
394      pci_dev->config[PCI_INTERRUPT_PIN] = 1;
395  
396      /* Define IO/MMIO regions */
397      memory_region_init_io(&s->mmio, OBJECT(s), &mmio_ops, s,
398                            "igb-mmio", E1000E_MMIO_SIZE);
399      pci_register_bar(pci_dev, E1000E_MMIO_IDX,
400                       PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mmio);
401  
402      /*
403       * We provide a dummy implementation for the flash BAR
404       * for drivers that may theoretically probe for its presence.
405       */
406      memory_region_init(&s->flash, OBJECT(s),
407                         "igb-flash", E1000E_FLASH_SIZE);
408      pci_register_bar(pci_dev, E1000E_FLASH_IDX,
409                       PCI_BASE_ADDRESS_SPACE_MEMORY, &s->flash);
410  
411      memory_region_init_io(&s->io, OBJECT(s), &io_ops, s,
412                            "igb-io", E1000E_IO_SIZE);
413      pci_register_bar(pci_dev, E1000E_IO_IDX,
414                       PCI_BASE_ADDRESS_SPACE_IO, &s->io);
415  
416      memory_region_init(&s->msix, OBJECT(s), "igb-msix",
417                         E1000E_MSIX_SIZE);
418      pci_register_bar(pci_dev, E1000E_MSIX_IDX,
419                       PCI_BASE_ADDRESS_MEM_TYPE_64, &s->msix);
420  
421      /* Create networking backend */
422      qemu_macaddr_default_if_unset(&s->conf.macaddr);
423      macaddr = s->conf.macaddr.a;
424  
425      /* Add PCI capabilities in reverse order */
426      assert(pcie_endpoint_cap_init(pci_dev, 0xa0) > 0);
427  
428      igb_init_msix(s);
429  
430      ret = msi_init(pci_dev, 0x50, 1, true, true, NULL);
431      if (ret) {
432          trace_e1000e_msi_init_fail(ret);
433      }
434  
435      if (igb_add_pm_capability(pci_dev, 0x40, PCI_PM_CAP_DSI) < 0) {
436          hw_error("Failed to initialize PM capability");
437      }
438  
439      /* PCIe extended capabilities (in order) */
440      if (s->has_flr) {
441          pcie_cap_flr_init(pci_dev);
442      }
443  
444      if (pcie_aer_init(pci_dev, 1, 0x100, 0x40, errp) < 0) {
445          hw_error("Failed to initialize AER capability");
446      }
447  
448      pcie_ari_init(pci_dev, 0x150);
449  
450      pcie_sriov_pf_init(pci_dev, IGB_CAP_SRIOV_OFFSET, TYPE_IGBVF,
451          IGB_82576_VF_DEV_ID, IGB_MAX_VF_FUNCTIONS, IGB_MAX_VF_FUNCTIONS,
452          IGB_VF_OFFSET, IGB_VF_STRIDE);
453  
454      pcie_sriov_pf_init_vf_bar(pci_dev, IGBVF_MMIO_BAR_IDX,
455          PCI_BASE_ADDRESS_MEM_TYPE_64 | PCI_BASE_ADDRESS_MEM_PREFETCH,
456          IGBVF_MMIO_SIZE);
457      pcie_sriov_pf_init_vf_bar(pci_dev, IGBVF_MSIX_BAR_IDX,
458          PCI_BASE_ADDRESS_MEM_TYPE_64 | PCI_BASE_ADDRESS_MEM_PREFETCH,
459          IGBVF_MSIX_SIZE);
460  
461      igb_init_net_peer(s, pci_dev, macaddr);
462  
463      /* Initialize core */
464      igb_core_realize(s);
465  
466      igb_core_pci_realize(&s->core,
467                           igb_eeprom_template,
468                           sizeof(igb_eeprom_template),
469                           macaddr);
470  }
471  
472  static void igb_pci_uninit(PCIDevice *pci_dev)
473  {
474      IGBState *s = IGB(pci_dev);
475  
476      trace_e1000e_cb_pci_uninit();
477  
478      igb_core_pci_uninit(&s->core);
479  
480      pcie_sriov_pf_exit(pci_dev);
481      pcie_cap_exit(pci_dev);
482  
483      qemu_del_nic(s->nic);
484  
485      igb_cleanup_msix(s);
486      msi_uninit(pci_dev);
487  }
488  
489  static void igb_qdev_reset_hold(Object *obj)
490  {
491      IGBState *s = IGB(obj);
492  
493      trace_e1000e_cb_qdev_reset_hold();
494  
495      igb_core_reset(&s->core);
496  }
497  
498  static int igb_pre_save(void *opaque)
499  {
500      IGBState *s = opaque;
501  
502      trace_e1000e_cb_pre_save();
503  
504      igb_core_pre_save(&s->core);
505  
506      return 0;
507  }
508  
509  static int igb_post_load(void *opaque, int version_id)
510  {
511      IGBState *s = opaque;
512  
513      trace_e1000e_cb_post_load();
514      return igb_core_post_load(&s->core);
515  }
516  
517  static const VMStateDescription igb_vmstate_tx_ctx = {
518      .name = "igb-tx-ctx",
519      .version_id = 1,
520      .minimum_version_id = 1,
521      .fields = (const VMStateField[]) {
522          VMSTATE_UINT32(vlan_macip_lens, struct e1000_adv_tx_context_desc),
523          VMSTATE_UINT32(seqnum_seed, struct e1000_adv_tx_context_desc),
524          VMSTATE_UINT32(type_tucmd_mlhl, struct e1000_adv_tx_context_desc),
525          VMSTATE_UINT32(mss_l4len_idx, struct e1000_adv_tx_context_desc),
526          VMSTATE_END_OF_LIST()
527      }
528  };
529  
530  static const VMStateDescription igb_vmstate_tx = {
531      .name = "igb-tx",
532      .version_id = 2,
533      .minimum_version_id = 2,
534      .fields = (const VMStateField[]) {
535          VMSTATE_STRUCT_ARRAY(ctx, struct igb_tx, 2, 0, igb_vmstate_tx_ctx,
536                               struct e1000_adv_tx_context_desc),
537          VMSTATE_UINT32(first_cmd_type_len, struct igb_tx),
538          VMSTATE_UINT32(first_olinfo_status, struct igb_tx),
539          VMSTATE_BOOL(first, struct igb_tx),
540          VMSTATE_BOOL(skip_cp, struct igb_tx),
541          VMSTATE_END_OF_LIST()
542      }
543  };
544  
545  static const VMStateDescription igb_vmstate_intr_timer = {
546      .name = "igb-intr-timer",
547      .version_id = 1,
548      .minimum_version_id = 1,
549      .fields = (const VMStateField[]) {
550          VMSTATE_TIMER_PTR(timer, IGBIntrDelayTimer),
551          VMSTATE_BOOL(running, IGBIntrDelayTimer),
552          VMSTATE_END_OF_LIST()
553      }
554  };
555  
556  #define VMSTATE_IGB_INTR_DELAY_TIMER(_f, _s)                        \
557      VMSTATE_STRUCT(_f, _s, 0,                                       \
558                     igb_vmstate_intr_timer, IGBIntrDelayTimer)
559  
560  #define VMSTATE_IGB_INTR_DELAY_TIMER_ARRAY(_f, _s, _num)            \
561      VMSTATE_STRUCT_ARRAY(_f, _s, _num, 0,                           \
562                           igb_vmstate_intr_timer, IGBIntrDelayTimer)
563  
564  static const VMStateDescription igb_vmstate = {
565      .name = "igb",
566      .version_id = 1,
567      .minimum_version_id = 1,
568      .pre_save = igb_pre_save,
569      .post_load = igb_post_load,
570      .fields = (const VMStateField[]) {
571          VMSTATE_PCI_DEVICE(parent_obj, IGBState),
572          VMSTATE_MSIX(parent_obj, IGBState),
573  
574          VMSTATE_UINT32(ioaddr, IGBState),
575          VMSTATE_UINT8(core.rx_desc_len, IGBState),
576          VMSTATE_UINT16_ARRAY(core.eeprom, IGBState, IGB_EEPROM_SIZE),
577          VMSTATE_UINT16_ARRAY(core.phy, IGBState, MAX_PHY_REG_ADDRESS + 1),
578          VMSTATE_UINT32_ARRAY(core.mac, IGBState, E1000E_MAC_SIZE),
579          VMSTATE_UINT8_ARRAY(core.permanent_mac, IGBState, ETH_ALEN),
580  
581          VMSTATE_IGB_INTR_DELAY_TIMER_ARRAY(core.eitr, IGBState,
582                                             IGB_INTR_NUM),
583  
584          VMSTATE_UINT32_ARRAY(core.eitr_guest_value, IGBState, IGB_INTR_NUM),
585  
586          VMSTATE_STRUCT_ARRAY(core.tx, IGBState, IGB_NUM_QUEUES, 0,
587                               igb_vmstate_tx, struct igb_tx),
588  
589          VMSTATE_INT64(core.timadj, IGBState),
590  
591          VMSTATE_END_OF_LIST()
592      }
593  };
594  
595  static Property igb_properties[] = {
596      DEFINE_NIC_PROPERTIES(IGBState, conf),
597      DEFINE_PROP_BOOL("x-pcie-flr-init", IGBState, has_flr, true),
598      DEFINE_PROP_END_OF_LIST(),
599  };
600  
601  static void igb_class_init(ObjectClass *class, void *data)
602  {
603      DeviceClass *dc = DEVICE_CLASS(class);
604      ResettableClass *rc = RESETTABLE_CLASS(class);
605      PCIDeviceClass *c = PCI_DEVICE_CLASS(class);
606  
607      c->realize = igb_pci_realize;
608      c->exit = igb_pci_uninit;
609      c->vendor_id = PCI_VENDOR_ID_INTEL;
610      c->device_id = E1000_DEV_ID_82576;
611      c->revision = 1;
612      c->class_id = PCI_CLASS_NETWORK_ETHERNET;
613  
614      rc->phases.hold = igb_qdev_reset_hold;
615  
616      dc->desc = "Intel 82576 Gigabit Ethernet Controller";
617      dc->vmsd = &igb_vmstate;
618  
619      device_class_set_props(dc, igb_properties);
620      set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
621  }
622  
623  static void igb_instance_init(Object *obj)
624  {
625      IGBState *s = IGB(obj);
626      device_add_bootindex_property(obj, &s->conf.bootindex,
627                                    "bootindex", "/ethernet-phy@0",
628                                    DEVICE(obj));
629  }
630  
631  static const TypeInfo igb_info = {
632      .name = TYPE_IGB,
633      .parent = TYPE_PCI_DEVICE,
634      .instance_size = sizeof(IGBState),
635      .class_init = igb_class_init,
636      .instance_init = igb_instance_init,
637      .interfaces = (InterfaceInfo[]) {
638          { INTERFACE_PCIE_DEVICE },
639          { }
640      },
641  };
642  
643  static void igb_register_types(void)
644  {
645      type_register_static(&igb_info);
646  }
647  
648  type_init(igb_register_types)
649