xref: /openbmc/qemu/hw/net/igb.c (revision c0ce7b4a)
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 };
82 
83 #define IGB_CAP_SRIOV_OFFSET    (0x160)
84 #define IGB_VF_OFFSET           (0x80)
85 #define IGB_VF_STRIDE           (2)
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 static void igb_write_config(PCIDevice *dev, uint32_t addr,
98     uint32_t val, int len)
99 {
100     IGBState *s = IGB(dev);
101 
102     trace_igb_write_config(addr, val, len);
103     pci_default_write_config(dev, addr, val, len);
104 
105     if (range_covers_byte(addr, len, PCI_COMMAND) &&
106         (dev->config[PCI_COMMAND] & PCI_COMMAND_MASTER)) {
107         igb_start_recv(&s->core);
108     }
109 }
110 
111 uint64_t
112 igb_mmio_read(void *opaque, hwaddr addr, unsigned size)
113 {
114     IGBState *s = opaque;
115     return igb_core_read(&s->core, addr, size);
116 }
117 
118 void
119 igb_mmio_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
120 {
121     IGBState *s = opaque;
122     igb_core_write(&s->core, addr, val, size);
123 }
124 
125 static bool
126 igb_io_get_reg_index(IGBState *s, uint32_t *idx)
127 {
128     if (s->ioaddr < 0x1FFFF) {
129         *idx = s->ioaddr;
130         return true;
131     }
132 
133     if (s->ioaddr < 0x7FFFF) {
134         trace_e1000e_wrn_io_addr_undefined(s->ioaddr);
135         return false;
136     }
137 
138     if (s->ioaddr < 0xFFFFF) {
139         trace_e1000e_wrn_io_addr_flash(s->ioaddr);
140         return false;
141     }
142 
143     trace_e1000e_wrn_io_addr_unknown(s->ioaddr);
144     return false;
145 }
146 
147 static uint64_t
148 igb_io_read(void *opaque, hwaddr addr, unsigned size)
149 {
150     IGBState *s = opaque;
151     uint32_t idx = 0;
152     uint64_t val;
153 
154     switch (addr) {
155     case E1000_IOADDR:
156         trace_e1000e_io_read_addr(s->ioaddr);
157         return s->ioaddr;
158     case E1000_IODATA:
159         if (igb_io_get_reg_index(s, &idx)) {
160             val = igb_core_read(&s->core, idx, sizeof(val));
161             trace_e1000e_io_read_data(idx, val);
162             return val;
163         }
164         return 0;
165     default:
166         trace_e1000e_wrn_io_read_unknown(addr);
167         return 0;
168     }
169 }
170 
171 static void
172 igb_io_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
173 {
174     IGBState *s = opaque;
175     uint32_t idx = 0;
176 
177     switch (addr) {
178     case E1000_IOADDR:
179         trace_e1000e_io_write_addr(val);
180         s->ioaddr = (uint32_t) val;
181         return;
182     case E1000_IODATA:
183         if (igb_io_get_reg_index(s, &idx)) {
184             trace_e1000e_io_write_data(idx, val);
185             igb_core_write(&s->core, idx, val, sizeof(val));
186         }
187         return;
188     default:
189         trace_e1000e_wrn_io_write_unknown(addr);
190         return;
191     }
192 }
193 
194 static const MemoryRegionOps mmio_ops = {
195     .read = igb_mmio_read,
196     .write = igb_mmio_write,
197     .endianness = DEVICE_LITTLE_ENDIAN,
198     .impl = {
199         .min_access_size = 4,
200         .max_access_size = 4,
201     },
202 };
203 
204 static const MemoryRegionOps io_ops = {
205     .read = igb_io_read,
206     .write = igb_io_write,
207     .endianness = DEVICE_LITTLE_ENDIAN,
208     .impl = {
209         .min_access_size = 4,
210         .max_access_size = 4,
211     },
212 };
213 
214 static bool
215 igb_nc_can_receive(NetClientState *nc)
216 {
217     IGBState *s = qemu_get_nic_opaque(nc);
218     return igb_can_receive(&s->core);
219 }
220 
221 static ssize_t
222 igb_nc_receive_iov(NetClientState *nc, const struct iovec *iov, int iovcnt)
223 {
224     IGBState *s = qemu_get_nic_opaque(nc);
225     return igb_receive_iov(&s->core, iov, iovcnt);
226 }
227 
228 static ssize_t
229 igb_nc_receive(NetClientState *nc, const uint8_t *buf, size_t size)
230 {
231     IGBState *s = qemu_get_nic_opaque(nc);
232     return igb_receive(&s->core, buf, size);
233 }
234 
235 static void
236 igb_set_link_status(NetClientState *nc)
237 {
238     IGBState *s = qemu_get_nic_opaque(nc);
239     igb_core_set_link_status(&s->core);
240 }
241 
242 static NetClientInfo net_igb_info = {
243     .type = NET_CLIENT_DRIVER_NIC,
244     .size = sizeof(NICState),
245     .can_receive = igb_nc_can_receive,
246     .receive = igb_nc_receive,
247     .receive_iov = igb_nc_receive_iov,
248     .link_status_changed = igb_set_link_status,
249 };
250 
251 /*
252  * EEPROM (NVM) contents documented in section 6.1, table 6-1:
253  * and in 6.10 Software accessed words.
254  */
255 static const uint16_t igb_eeprom_template[] = {
256   /*        Address        |Compat.|OEM sp.| ImRev |    OEM sp.    */
257     0x0000, 0x0000, 0x0000, 0x0d34, 0xffff, 0x2010, 0xffff, 0xffff,
258   /*      PBA      |ICtrl1 | SSID  | SVID  | DevID |-------|ICtrl2 */
259     0x1040, 0xffff, 0x002b, 0x0000, 0x8086, 0x10c9, 0x0000, 0x70c3,
260   /* SwPin0| DevID | EESZ  |-------|ICtrl3 |PCI-tc | MSIX  | APtr  */
261     0x0004, 0x10c9, 0x5c00, 0x0000, 0x2880, 0x0014, 0x4a40, 0x0060,
262   /* PCIe Init. Conf 1,2,3 |PCICtrl| LD1,3 |DDevID |DevRev | LD0,2 */
263     0x6cfb, 0xc7b0, 0x0abe, 0x0403, 0x0783, 0x10a6, 0x0001, 0x0602,
264   /* SwPin1| FunC  |LAN-PWR|ManHwC |ICtrl3 | IOVct |VDevID |-------*/
265     0x0004, 0x0020, 0x0000, 0x004a, 0x2080, 0x00f5, 0x10ca, 0x0000,
266   /*---------------| LD1,3 | LD0,2 | ROEnd | ROSta | Wdog  | VPD   */
267     0x0000, 0x0000, 0x4784, 0x4602, 0x0000, 0x0000, 0x1000, 0xffff,
268   /* PCSet0| Ccfg0 |PXEver |IBAcap |PCSet1 | Ccfg1 |iSCVer | ??    */
269     0x0100, 0x4000, 0x131f, 0x4013, 0x0100, 0x4000, 0xffff, 0xffff,
270   /* PCSet2| Ccfg2 |PCSet3 | Ccfg3 | ??    |AltMacP| ??    |CHKSUM */
271     0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x00e0, 0xffff, 0x0000,
272   /* NC-SIC */
273     0x0003,
274 };
275 
276 static void igb_core_realize(IGBState *s)
277 {
278     s->core.owner = &s->parent_obj;
279     s->core.owner_nic = s->nic;
280 }
281 
282 static void
283 igb_init_msix(IGBState *s)
284 {
285     int i, res;
286 
287     res = msix_init(PCI_DEVICE(s), IGB_MSIX_VEC_NUM,
288                     &s->msix,
289                     E1000E_MSIX_IDX, 0,
290                     &s->msix,
291                     E1000E_MSIX_IDX, 0x2000,
292                     0x70, NULL);
293 
294     if (res < 0) {
295         trace_e1000e_msix_init_fail(res);
296     } else {
297         for (i = 0; i < IGB_MSIX_VEC_NUM; i++) {
298             msix_vector_use(PCI_DEVICE(s), i);
299         }
300     }
301 }
302 
303 static void
304 igb_cleanup_msix(IGBState *s)
305 {
306     msix_unuse_all_vectors(PCI_DEVICE(s));
307     msix_uninit(PCI_DEVICE(s), &s->msix, &s->msix);
308 }
309 
310 static void
311 igb_init_net_peer(IGBState *s, PCIDevice *pci_dev, uint8_t *macaddr)
312 {
313     DeviceState *dev = DEVICE(pci_dev);
314     NetClientState *nc;
315     int i;
316 
317     s->nic = qemu_new_nic(&net_igb_info, &s->conf,
318         object_get_typename(OBJECT(s)), dev->id, s);
319 
320     s->core.max_queue_num = s->conf.peers.queues ? s->conf.peers.queues - 1 : 0;
321 
322     trace_e1000e_mac_set_permanent(MAC_ARG(macaddr));
323     memcpy(s->core.permanent_mac, macaddr, sizeof(s->core.permanent_mac));
324 
325     qemu_format_nic_info_str(qemu_get_queue(s->nic), macaddr);
326 
327     /* Setup virtio headers */
328     for (i = 0; i < s->conf.peers.queues; i++) {
329         nc = qemu_get_subqueue(s->nic, i);
330         if (!nc->peer || !qemu_has_vnet_hdr(nc->peer)) {
331             trace_e1000e_cfg_support_virtio(false);
332             return;
333         }
334     }
335 
336     trace_e1000e_cfg_support_virtio(true);
337     s->core.has_vnet = true;
338 
339     for (i = 0; i < s->conf.peers.queues; i++) {
340         nc = qemu_get_subqueue(s->nic, i);
341         qemu_set_vnet_hdr_len(nc->peer, sizeof(struct virtio_net_hdr));
342         qemu_using_vnet_hdr(nc->peer, true);
343     }
344 }
345 
346 static int
347 igb_add_pm_capability(PCIDevice *pdev, uint8_t offset, uint16_t pmc)
348 {
349     Error *local_err = NULL;
350     int ret = pci_add_capability(pdev, PCI_CAP_ID_PM, offset,
351                                  PCI_PM_SIZEOF, &local_err);
352 
353     if (local_err) {
354         error_report_err(local_err);
355         return ret;
356     }
357 
358     pci_set_word(pdev->config + offset + PCI_PM_PMC,
359                  PCI_PM_CAP_VER_1_1 |
360                  pmc);
361 
362     pci_set_word(pdev->wmask + offset + PCI_PM_CTRL,
363                  PCI_PM_CTRL_STATE_MASK |
364                  PCI_PM_CTRL_PME_ENABLE |
365                  PCI_PM_CTRL_DATA_SEL_MASK);
366 
367     pci_set_word(pdev->w1cmask + offset + PCI_PM_CTRL,
368                  PCI_PM_CTRL_PME_STATUS);
369 
370     return ret;
371 }
372 
373 static void igb_pci_realize(PCIDevice *pci_dev, Error **errp)
374 {
375     IGBState *s = IGB(pci_dev);
376     uint8_t *macaddr;
377     int ret;
378 
379     trace_e1000e_cb_pci_realize();
380 
381     pci_dev->config_write = igb_write_config;
382 
383     pci_dev->config[PCI_CACHE_LINE_SIZE] = 0x10;
384     pci_dev->config[PCI_INTERRUPT_PIN] = 1;
385 
386     /* Define IO/MMIO regions */
387     memory_region_init_io(&s->mmio, OBJECT(s), &mmio_ops, s,
388                           "igb-mmio", E1000E_MMIO_SIZE);
389     pci_register_bar(pci_dev, E1000E_MMIO_IDX,
390                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mmio);
391 
392     /*
393      * We provide a dummy implementation for the flash BAR
394      * for drivers that may theoretically probe for its presence.
395      */
396     memory_region_init(&s->flash, OBJECT(s),
397                        "igb-flash", E1000E_FLASH_SIZE);
398     pci_register_bar(pci_dev, E1000E_FLASH_IDX,
399                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->flash);
400 
401     memory_region_init_io(&s->io, OBJECT(s), &io_ops, s,
402                           "igb-io", E1000E_IO_SIZE);
403     pci_register_bar(pci_dev, E1000E_IO_IDX,
404                      PCI_BASE_ADDRESS_SPACE_IO, &s->io);
405 
406     memory_region_init(&s->msix, OBJECT(s), "igb-msix",
407                        E1000E_MSIX_SIZE);
408     pci_register_bar(pci_dev, E1000E_MSIX_IDX,
409                      PCI_BASE_ADDRESS_MEM_TYPE_64, &s->msix);
410 
411     /* Create networking backend */
412     qemu_macaddr_default_if_unset(&s->conf.macaddr);
413     macaddr = s->conf.macaddr.a;
414 
415     /* Add PCI capabilities in reverse order */
416     assert(pcie_endpoint_cap_init(pci_dev, 0xa0) > 0);
417 
418     igb_init_msix(s);
419 
420     ret = msi_init(pci_dev, 0x50, 1, true, true, NULL);
421     if (ret) {
422         trace_e1000e_msi_init_fail(ret);
423     }
424 
425     if (igb_add_pm_capability(pci_dev, 0x40, PCI_PM_CAP_DSI) < 0) {
426         hw_error("Failed to initialize PM capability");
427     }
428 
429     /* PCIe extended capabilities (in order) */
430     if (pcie_aer_init(pci_dev, 1, 0x100, 0x40, errp) < 0) {
431         hw_error("Failed to initialize AER capability");
432     }
433 
434     pcie_ari_init(pci_dev, 0x150);
435 
436     pcie_sriov_pf_init(pci_dev, IGB_CAP_SRIOV_OFFSET, TYPE_IGBVF,
437         IGB_82576_VF_DEV_ID, IGB_MAX_VF_FUNCTIONS, IGB_MAX_VF_FUNCTIONS,
438         IGB_VF_OFFSET, IGB_VF_STRIDE);
439 
440     pcie_sriov_pf_init_vf_bar(pci_dev, IGBVF_MMIO_BAR_IDX,
441         PCI_BASE_ADDRESS_MEM_TYPE_64 | PCI_BASE_ADDRESS_MEM_PREFETCH,
442         IGBVF_MMIO_SIZE);
443     pcie_sriov_pf_init_vf_bar(pci_dev, IGBVF_MSIX_BAR_IDX,
444         PCI_BASE_ADDRESS_MEM_TYPE_64 | PCI_BASE_ADDRESS_MEM_PREFETCH,
445         IGBVF_MSIX_SIZE);
446 
447     igb_init_net_peer(s, pci_dev, macaddr);
448 
449     /* Initialize core */
450     igb_core_realize(s);
451 
452     igb_core_pci_realize(&s->core,
453                          igb_eeprom_template,
454                          sizeof(igb_eeprom_template),
455                          macaddr);
456 }
457 
458 static void igb_pci_uninit(PCIDevice *pci_dev)
459 {
460     IGBState *s = IGB(pci_dev);
461 
462     trace_e1000e_cb_pci_uninit();
463 
464     igb_core_pci_uninit(&s->core);
465 
466     pcie_sriov_pf_exit(pci_dev);
467     pcie_cap_exit(pci_dev);
468 
469     qemu_del_nic(s->nic);
470 
471     igb_cleanup_msix(s);
472     msi_uninit(pci_dev);
473 }
474 
475 static void igb_qdev_reset_hold(Object *obj)
476 {
477     PCIDevice *d = PCI_DEVICE(obj);
478     IGBState *s = IGB(obj);
479 
480     trace_e1000e_cb_qdev_reset_hold();
481 
482     pcie_sriov_pf_disable_vfs(d);
483     igb_core_reset(&s->core);
484 }
485 
486 static int igb_pre_save(void *opaque)
487 {
488     IGBState *s = opaque;
489 
490     trace_e1000e_cb_pre_save();
491 
492     igb_core_pre_save(&s->core);
493 
494     return 0;
495 }
496 
497 static int igb_post_load(void *opaque, int version_id)
498 {
499     IGBState *s = opaque;
500 
501     trace_e1000e_cb_post_load();
502     return igb_core_post_load(&s->core);
503 }
504 
505 static const VMStateDescription igb_vmstate_tx_ctx = {
506     .name = "igb-tx-ctx",
507     .version_id = 1,
508     .minimum_version_id = 1,
509     .fields = (VMStateField[]) {
510         VMSTATE_UINT32(vlan_macip_lens, struct e1000_adv_tx_context_desc),
511         VMSTATE_UINT32(seqnum_seed, struct e1000_adv_tx_context_desc),
512         VMSTATE_UINT32(type_tucmd_mlhl, struct e1000_adv_tx_context_desc),
513         VMSTATE_UINT32(mss_l4len_idx, struct e1000_adv_tx_context_desc),
514         VMSTATE_END_OF_LIST()
515     }
516 };
517 
518 static const VMStateDescription igb_vmstate_tx = {
519     .name = "igb-tx",
520     .version_id = 2,
521     .minimum_version_id = 2,
522     .fields = (VMStateField[]) {
523         VMSTATE_STRUCT_ARRAY(ctx, struct igb_tx, 2, 0, igb_vmstate_tx_ctx,
524                              struct e1000_adv_tx_context_desc),
525         VMSTATE_UINT32(first_cmd_type_len, struct igb_tx),
526         VMSTATE_UINT32(first_olinfo_status, struct igb_tx),
527         VMSTATE_BOOL(first, struct igb_tx),
528         VMSTATE_BOOL(skip_cp, struct igb_tx),
529         VMSTATE_END_OF_LIST()
530     }
531 };
532 
533 static const VMStateDescription igb_vmstate_intr_timer = {
534     .name = "igb-intr-timer",
535     .version_id = 1,
536     .minimum_version_id = 1,
537     .fields = (VMStateField[]) {
538         VMSTATE_TIMER_PTR(timer, IGBIntrDelayTimer),
539         VMSTATE_BOOL(running, IGBIntrDelayTimer),
540         VMSTATE_END_OF_LIST()
541     }
542 };
543 
544 #define VMSTATE_IGB_INTR_DELAY_TIMER(_f, _s)                        \
545     VMSTATE_STRUCT(_f, _s, 0,                                       \
546                    igb_vmstate_intr_timer, IGBIntrDelayTimer)
547 
548 #define VMSTATE_IGB_INTR_DELAY_TIMER_ARRAY(_f, _s, _num)            \
549     VMSTATE_STRUCT_ARRAY(_f, _s, _num, 0,                           \
550                          igb_vmstate_intr_timer, IGBIntrDelayTimer)
551 
552 static const VMStateDescription igb_vmstate = {
553     .name = "igb",
554     .version_id = 1,
555     .minimum_version_id = 1,
556     .pre_save = igb_pre_save,
557     .post_load = igb_post_load,
558     .fields = (VMStateField[]) {
559         VMSTATE_PCI_DEVICE(parent_obj, IGBState),
560         VMSTATE_MSIX(parent_obj, IGBState),
561 
562         VMSTATE_UINT32(ioaddr, IGBState),
563         VMSTATE_UINT8(core.rx_desc_len, IGBState),
564         VMSTATE_UINT16_ARRAY(core.eeprom, IGBState, IGB_EEPROM_SIZE),
565         VMSTATE_UINT16_ARRAY(core.phy, IGBState, MAX_PHY_REG_ADDRESS + 1),
566         VMSTATE_UINT32_ARRAY(core.mac, IGBState, E1000E_MAC_SIZE),
567         VMSTATE_UINT8_ARRAY(core.permanent_mac, IGBState, ETH_ALEN),
568 
569         VMSTATE_IGB_INTR_DELAY_TIMER_ARRAY(core.eitr, IGBState,
570                                            IGB_INTR_NUM),
571 
572         VMSTATE_UINT32_ARRAY(core.eitr_guest_value, IGBState, IGB_INTR_NUM),
573 
574         VMSTATE_STRUCT_ARRAY(core.tx, IGBState, IGB_NUM_QUEUES, 0,
575                              igb_vmstate_tx, struct igb_tx),
576 
577         VMSTATE_INT64(core.timadj, IGBState),
578 
579         VMSTATE_END_OF_LIST()
580     }
581 };
582 
583 static Property igb_properties[] = {
584     DEFINE_NIC_PROPERTIES(IGBState, conf),
585     DEFINE_PROP_END_OF_LIST(),
586 };
587 
588 static void igb_class_init(ObjectClass *class, void *data)
589 {
590     DeviceClass *dc = DEVICE_CLASS(class);
591     ResettableClass *rc = RESETTABLE_CLASS(class);
592     PCIDeviceClass *c = PCI_DEVICE_CLASS(class);
593 
594     c->realize = igb_pci_realize;
595     c->exit = igb_pci_uninit;
596     c->vendor_id = PCI_VENDOR_ID_INTEL;
597     c->device_id = E1000_DEV_ID_82576;
598     c->revision = 1;
599     c->class_id = PCI_CLASS_NETWORK_ETHERNET;
600 
601     rc->phases.hold = igb_qdev_reset_hold;
602 
603     dc->desc = "Intel 82576 Gigabit Ethernet Controller";
604     dc->vmsd = &igb_vmstate;
605 
606     device_class_set_props(dc, igb_properties);
607     set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
608 }
609 
610 static void igb_instance_init(Object *obj)
611 {
612     IGBState *s = IGB(obj);
613     device_add_bootindex_property(obj, &s->conf.bootindex,
614                                   "bootindex", "/ethernet-phy@0",
615                                   DEVICE(obj));
616 }
617 
618 static const TypeInfo igb_info = {
619     .name = TYPE_IGB,
620     .parent = TYPE_PCI_DEVICE,
621     .instance_size = sizeof(IGBState),
622     .class_init = igb_class_init,
623     .instance_init = igb_instance_init,
624     .interfaces = (InterfaceInfo[]) {
625         { INTERFACE_PCIE_DEVICE },
626         { }
627     },
628 };
629 
630 static void igb_register_types(void)
631 {
632     type_register_static(&igb_info);
633 }
634 
635 type_init(igb_register_types)
636