xref: /openbmc/qemu/hw/net/e1000e.c (revision dfbd2768)
1 /*
2 * QEMU INTEL 82574 GbE NIC emulation
3 *
4 * Software developer's manuals:
5 * http://www.intel.com/content/dam/doc/datasheet/82574l-gbe-controller-datasheet.pdf
6 *
7 * Copyright (c) 2015 Ravello Systems LTD (http://ravellosystems.com)
8 * Developed by Daynix Computing LTD (http://www.daynix.com)
9 *
10 * Authors:
11 * Dmitry Fleytman <dmitry@daynix.com>
12 * Leonid Bloch <leonid@daynix.com>
13 * Yan Vugenfirer <yan@daynix.com>
14 *
15 * Based on work done by:
16 * Nir Peleg, Tutis Systems Ltd. for Qumranet Inc.
17 * Copyright (c) 2008 Qumranet
18 * Based on work done by:
19 * Copyright (c) 2007 Dan Aloni
20 * Copyright (c) 2004 Antony T Curtis
21 *
22 * This library is free software; you can redistribute it and/or
23 * modify it under the terms of the GNU Lesser General Public
24 * License as published by the Free Software Foundation; either
25 * version 2 of the License, or (at your option) any later version.
26 *
27 * This library is distributed in the hope that it will be useful,
28 * but WITHOUT ANY WARRANTY; without even the implied warranty of
29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
30 * Lesser General Public License for more details.
31 *
32 * You should have received a copy of the GNU Lesser General Public
33 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
34 */
35 
36 #include "qemu/osdep.h"
37 #include "net/net.h"
38 #include "net/tap.h"
39 #include "qemu/range.h"
40 #include "sysemu/sysemu.h"
41 #include "hw/pci/msi.h"
42 #include "hw/pci/msix.h"
43 
44 #include "hw/net/e1000_regs.h"
45 
46 #include "e1000x_common.h"
47 #include "e1000e_core.h"
48 
49 #include "trace.h"
50 
51 #define TYPE_E1000E "e1000e"
52 #define E1000E(obj) OBJECT_CHECK(E1000EState, (obj), TYPE_E1000E)
53 
54 typedef struct E1000EState {
55     PCIDevice parent_obj;
56     NICState *nic;
57     NICConf conf;
58 
59     MemoryRegion mmio;
60     MemoryRegion flash;
61     MemoryRegion io;
62     MemoryRegion msix;
63 
64     uint32_t ioaddr;
65 
66     uint16_t subsys_ven;
67     uint16_t subsys;
68 
69     uint16_t subsys_ven_used;
70     uint16_t subsys_used;
71 
72     bool disable_vnet;
73 
74     E1000ECore core;
75 
76 } E1000EState;
77 
78 #define E1000E_MMIO_IDX     0
79 #define E1000E_FLASH_IDX    1
80 #define E1000E_IO_IDX       2
81 #define E1000E_MSIX_IDX     3
82 
83 #define E1000E_MMIO_SIZE    (128 * 1024)
84 #define E1000E_FLASH_SIZE   (128 * 1024)
85 #define E1000E_IO_SIZE      (32)
86 #define E1000E_MSIX_SIZE    (16 * 1024)
87 
88 #define E1000E_MSIX_TABLE   (0x0000)
89 #define E1000E_MSIX_PBA     (0x2000)
90 
91 static uint64_t
92 e1000e_mmio_read(void *opaque, hwaddr addr, unsigned size)
93 {
94     E1000EState *s = opaque;
95     return e1000e_core_read(&s->core, addr, size);
96 }
97 
98 static void
99 e1000e_mmio_write(void *opaque, hwaddr addr,
100                    uint64_t val, unsigned size)
101 {
102     E1000EState *s = opaque;
103     e1000e_core_write(&s->core, addr, val, size);
104 }
105 
106 static bool
107 e1000e_io_get_reg_index(E1000EState *s, uint32_t *idx)
108 {
109     if (s->ioaddr < 0x1FFFF) {
110         *idx = s->ioaddr;
111         return true;
112     }
113 
114     if (s->ioaddr < 0x7FFFF) {
115         trace_e1000e_wrn_io_addr_undefined(s->ioaddr);
116         return false;
117     }
118 
119     if (s->ioaddr < 0xFFFFF) {
120         trace_e1000e_wrn_io_addr_flash(s->ioaddr);
121         return false;
122     }
123 
124     trace_e1000e_wrn_io_addr_unknown(s->ioaddr);
125     return false;
126 }
127 
128 static uint64_t
129 e1000e_io_read(void *opaque, hwaddr addr, unsigned size)
130 {
131     E1000EState *s = opaque;
132     uint32_t idx = 0;
133     uint64_t val;
134 
135     switch (addr) {
136     case E1000_IOADDR:
137         trace_e1000e_io_read_addr(s->ioaddr);
138         return s->ioaddr;
139     case E1000_IODATA:
140         if (e1000e_io_get_reg_index(s, &idx)) {
141             val = e1000e_core_read(&s->core, idx, sizeof(val));
142             trace_e1000e_io_read_data(idx, val);
143             return val;
144         }
145         return 0;
146     default:
147         trace_e1000e_wrn_io_read_unknown(addr);
148         return 0;
149     }
150 }
151 
152 static void
153 e1000e_io_write(void *opaque, hwaddr addr,
154                 uint64_t val, unsigned size)
155 {
156     E1000EState *s = opaque;
157     uint32_t idx = 0;
158 
159     switch (addr) {
160     case E1000_IOADDR:
161         trace_e1000e_io_write_addr(val);
162         s->ioaddr = (uint32_t) val;
163         return;
164     case E1000_IODATA:
165         if (e1000e_io_get_reg_index(s, &idx)) {
166             trace_e1000e_io_write_data(idx, val);
167             e1000e_core_write(&s->core, idx, val, sizeof(val));
168         }
169         return;
170     default:
171         trace_e1000e_wrn_io_write_unknown(addr);
172         return;
173     }
174 }
175 
176 static const MemoryRegionOps mmio_ops = {
177     .read = e1000e_mmio_read,
178     .write = e1000e_mmio_write,
179     .endianness = DEVICE_LITTLE_ENDIAN,
180     .impl = {
181         .min_access_size = 4,
182         .max_access_size = 4,
183     },
184 };
185 
186 static const MemoryRegionOps io_ops = {
187     .read = e1000e_io_read,
188     .write = e1000e_io_write,
189     .endianness = DEVICE_LITTLE_ENDIAN,
190     .impl = {
191         .min_access_size = 4,
192         .max_access_size = 4,
193     },
194 };
195 
196 static int
197 e1000e_nc_can_receive(NetClientState *nc)
198 {
199     E1000EState *s = qemu_get_nic_opaque(nc);
200     return e1000e_can_receive(&s->core);
201 }
202 
203 static ssize_t
204 e1000e_nc_receive_iov(NetClientState *nc, const struct iovec *iov, int iovcnt)
205 {
206     E1000EState *s = qemu_get_nic_opaque(nc);
207     return e1000e_receive_iov(&s->core, iov, iovcnt);
208 }
209 
210 static ssize_t
211 e1000e_nc_receive(NetClientState *nc, const uint8_t *buf, size_t size)
212 {
213     E1000EState *s = qemu_get_nic_opaque(nc);
214     return e1000e_receive(&s->core, buf, size);
215 }
216 
217 static void
218 e1000e_set_link_status(NetClientState *nc)
219 {
220     E1000EState *s = qemu_get_nic_opaque(nc);
221     e1000e_core_set_link_status(&s->core);
222 }
223 
224 static NetClientInfo net_e1000e_info = {
225     .type = NET_CLIENT_DRIVER_NIC,
226     .size = sizeof(NICState),
227     .can_receive = e1000e_nc_can_receive,
228     .receive = e1000e_nc_receive,
229     .receive_iov = e1000e_nc_receive_iov,
230     .link_status_changed = e1000e_set_link_status,
231 };
232 
233 /*
234 * EEPROM (NVM) contents documented in Table 36, section 6.1
235 * and generally 6.1.2 Software accessed words.
236 */
237 static const uint16_t e1000e_eeprom_template[64] = {
238   /*        Address        |    Compat.    | ImVer |   Compat.     */
239     0x0000, 0x0000, 0x0000, 0x0420, 0xf746, 0x2010, 0xffff, 0xffff,
240   /*      PBA      |ICtrl1 | SSID  | SVID  | DevID |-------|ICtrl2 */
241     0x0000, 0x0000, 0x026b, 0x0000, 0x8086, 0x0000, 0x0000, 0x8058,
242   /*    NVM words 1,2,3    |-------------------------------|PCI-EID*/
243     0x0000, 0x2001, 0x7e7c, 0xffff, 0x1000, 0x00c8, 0x0000, 0x2704,
244   /* PCIe Init. Conf 1,2,3 |PCICtrl|PHY|LD1|-------| RevID | LD0,2 */
245     0x6cc9, 0x3150, 0x070e, 0x460b, 0x2d84, 0x0100, 0xf000, 0x0706,
246   /* FLPAR |FLANADD|LAN-PWR|FlVndr |ICtrl3 |APTSMBA|APTRxEP|APTSMBC*/
247     0x6000, 0x0080, 0x0f04, 0x7fff, 0x4f01, 0xc600, 0x0000, 0x20ff,
248   /* APTIF | APTMC |APTuCP |LSWFWID|MSWFWID|NC-SIMC|NC-SIC | VPDP  */
249     0x0028, 0x0003, 0x0000, 0x0000, 0x0000, 0x0003, 0x0000, 0xffff,
250   /*                            SW Section                         */
251     0x0100, 0xc000, 0x121c, 0xc007, 0xffff, 0xffff, 0xffff, 0xffff,
252   /*                      SW Section                       |CHKSUM */
253     0xffff, 0xffff, 0xffff, 0xffff, 0x0000, 0x0120, 0xffff, 0x0000,
254 };
255 
256 static void e1000e_core_realize(E1000EState *s)
257 {
258     s->core.owner = &s->parent_obj;
259     s->core.owner_nic = s->nic;
260 }
261 
262 static void
263 e1000e_unuse_msix_vectors(E1000EState *s, int num_vectors)
264 {
265     int i;
266     for (i = 0; i < num_vectors; i++) {
267         msix_vector_unuse(PCI_DEVICE(s), i);
268     }
269 }
270 
271 static bool
272 e1000e_use_msix_vectors(E1000EState *s, int num_vectors)
273 {
274     int i;
275     for (i = 0; i < num_vectors; i++) {
276         int res = msix_vector_use(PCI_DEVICE(s), i);
277         if (res < 0) {
278             trace_e1000e_msix_use_vector_fail(i, res);
279             e1000e_unuse_msix_vectors(s, i);
280             return false;
281         }
282     }
283     return true;
284 }
285 
286 static void
287 e1000e_init_msix(E1000EState *s)
288 {
289     PCIDevice *d = PCI_DEVICE(s);
290     int res = msix_init(PCI_DEVICE(s), E1000E_MSIX_VEC_NUM,
291                         &s->msix,
292                         E1000E_MSIX_IDX, E1000E_MSIX_TABLE,
293                         &s->msix,
294                         E1000E_MSIX_IDX, E1000E_MSIX_PBA,
295                         0xA0);
296 
297     if (res < 0) {
298         trace_e1000e_msix_init_fail(res);
299     } else {
300         if (!e1000e_use_msix_vectors(s, E1000E_MSIX_VEC_NUM)) {
301             msix_uninit(d, &s->msix, &s->msix);
302         }
303     }
304 }
305 
306 static void
307 e1000e_cleanup_msix(E1000EState *s)
308 {
309     if (msix_enabled(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, s);
324 
325     s->core.max_queue_num = s->conf.peers.queues - 1;
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     int ret = pci_add_capability(pdev, PCI_CAP_ID_PM, offset, PCI_PM_SIZEOF);
376 
377     if (ret >= 0) {
378         pci_set_word(pdev->config + offset + PCI_PM_PMC,
379                      PCI_PM_CAP_VER_1_1 |
380                      pmc);
381 
382         pci_set_word(pdev->wmask + offset + PCI_PM_CTRL,
383                      PCI_PM_CTRL_STATE_MASK |
384                      PCI_PM_CTRL_PME_ENABLE |
385                      PCI_PM_CTRL_DATA_SEL_MASK);
386 
387         pci_set_word(pdev->w1cmask + offset + PCI_PM_CTRL,
388                      PCI_PM_CTRL_PME_STATUS);
389     }
390 
391     return ret;
392 }
393 
394 static void e1000e_write_config(PCIDevice *pci_dev, uint32_t address,
395                                 uint32_t val, int len)
396 {
397     E1000EState *s = E1000E(pci_dev);
398 
399     pci_default_write_config(pci_dev, address, val, len);
400 
401     if (range_covers_byte(address, len, PCI_COMMAND) &&
402         (pci_dev->config[PCI_COMMAND] & PCI_COMMAND_MASTER)) {
403         e1000e_start_recv(&s->core);
404     }
405 }
406 
407 static void e1000e_pci_realize(PCIDevice *pci_dev, Error **errp)
408 {
409     static const uint16_t e1000e_pmrb_offset = 0x0C8;
410     static const uint16_t e1000e_pcie_offset = 0x0E0;
411     static const uint16_t e1000e_aer_offset =  0x100;
412     static const uint16_t e1000e_dsn_offset =  0x140;
413     E1000EState *s = E1000E(pci_dev);
414     uint8_t *macaddr;
415     int ret;
416 
417     trace_e1000e_cb_pci_realize();
418 
419     pci_dev->config_write = e1000e_write_config;
420 
421     pci_dev->config[PCI_CACHE_LINE_SIZE] = 0x10;
422     pci_dev->config[PCI_INTERRUPT_PIN] = 1;
423 
424     pci_set_word(pci_dev->config + PCI_SUBSYSTEM_VENDOR_ID, s->subsys_ven);
425     pci_set_word(pci_dev->config + PCI_SUBSYSTEM_ID, s->subsys);
426 
427     s->subsys_ven_used = s->subsys_ven;
428     s->subsys_used = s->subsys;
429 
430     /* Define IO/MMIO regions */
431     memory_region_init_io(&s->mmio, OBJECT(s), &mmio_ops, s,
432                           "e1000e-mmio", E1000E_MMIO_SIZE);
433     pci_register_bar(pci_dev, E1000E_MMIO_IDX,
434                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mmio);
435 
436     /*
437      * We provide a dummy implementation for the flash BAR
438      * for drivers that may theoretically probe for its presence.
439      */
440     memory_region_init(&s->flash, OBJECT(s),
441                        "e1000e-flash", E1000E_FLASH_SIZE);
442     pci_register_bar(pci_dev, E1000E_FLASH_IDX,
443                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->flash);
444 
445     memory_region_init_io(&s->io, OBJECT(s), &io_ops, s,
446                           "e1000e-io", E1000E_IO_SIZE);
447     pci_register_bar(pci_dev, E1000E_IO_IDX,
448                      PCI_BASE_ADDRESS_SPACE_IO, &s->io);
449 
450     memory_region_init(&s->msix, OBJECT(s), "e1000e-msix",
451                        E1000E_MSIX_SIZE);
452     pci_register_bar(pci_dev, E1000E_MSIX_IDX,
453                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->msix);
454 
455     /* Create networking backend */
456     qemu_macaddr_default_if_unset(&s->conf.macaddr);
457     macaddr = s->conf.macaddr.a;
458 
459     e1000e_init_msix(s);
460 
461     if (pcie_endpoint_cap_v1_init(pci_dev, e1000e_pcie_offset) < 0) {
462         hw_error("Failed to initialize PCIe capability");
463     }
464 
465     ret = msi_init(PCI_DEVICE(s), 0xD0, 1, true, false, NULL);
466     if (ret) {
467         trace_e1000e_msi_init_fail(ret);
468     }
469 
470     if (e1000e_add_pm_capability(pci_dev, e1000e_pmrb_offset,
471                                   PCI_PM_CAP_DSI) < 0) {
472         hw_error("Failed to initialize PM capability");
473     }
474 
475     if (pcie_aer_init(pci_dev, e1000e_aer_offset, PCI_ERR_SIZEOF) < 0) {
476         hw_error("Failed to initialize AER capability");
477     }
478 
479     pcie_dev_ser_num_init(pci_dev, e1000e_dsn_offset,
480                           e1000e_gen_dsn(macaddr));
481 
482     e1000e_init_net_peer(s, pci_dev, macaddr);
483 
484     /* Initialize core */
485     e1000e_core_realize(s);
486 
487     e1000e_core_pci_realize(&s->core,
488                             e1000e_eeprom_template,
489                             sizeof(e1000e_eeprom_template),
490                             macaddr);
491 }
492 
493 static void e1000e_pci_uninit(PCIDevice *pci_dev)
494 {
495     E1000EState *s = E1000E(pci_dev);
496 
497     trace_e1000e_cb_pci_uninit();
498 
499     e1000e_core_pci_uninit(&s->core);
500 
501     pcie_aer_exit(pci_dev);
502     pcie_cap_exit(pci_dev);
503 
504     qemu_del_nic(s->nic);
505 
506     e1000e_cleanup_msix(s);
507     msi_uninit(pci_dev);
508 }
509 
510 static void e1000e_qdev_reset(DeviceState *dev)
511 {
512     E1000EState *s = E1000E(dev);
513 
514     trace_e1000e_cb_qdev_reset();
515 
516     e1000e_core_reset(&s->core);
517 }
518 
519 static void e1000e_pre_save(void *opaque)
520 {
521     E1000EState *s = opaque;
522 
523     trace_e1000e_cb_pre_save();
524 
525     e1000e_core_pre_save(&s->core);
526 }
527 
528 static int e1000e_post_load(void *opaque, int version_id)
529 {
530     E1000EState *s = opaque;
531 
532     trace_e1000e_cb_post_load();
533 
534     if ((s->subsys != s->subsys_used) ||
535         (s->subsys_ven != s->subsys_ven_used)) {
536         fprintf(stderr,
537             "ERROR: Cannot migrate while device properties "
538             "(subsys/subsys_ven) differ");
539         return -1;
540     }
541 
542     return e1000e_core_post_load(&s->core);
543 }
544 
545 static const VMStateDescription e1000e_vmstate_tx = {
546     .name = "e1000e-tx",
547     .version_id = 1,
548     .minimum_version_id = 1,
549     .fields = (VMStateField[]) {
550         VMSTATE_UINT8(props.sum_needed, struct e1000e_tx),
551         VMSTATE_UINT8(props.ipcss, struct e1000e_tx),
552         VMSTATE_UINT8(props.ipcso, struct e1000e_tx),
553         VMSTATE_UINT16(props.ipcse, struct e1000e_tx),
554         VMSTATE_UINT8(props.tucss, struct e1000e_tx),
555         VMSTATE_UINT8(props.tucso, struct e1000e_tx),
556         VMSTATE_UINT16(props.tucse, struct e1000e_tx),
557         VMSTATE_UINT8(props.hdr_len, struct e1000e_tx),
558         VMSTATE_UINT16(props.mss, struct e1000e_tx),
559         VMSTATE_UINT32(props.paylen, struct e1000e_tx),
560         VMSTATE_INT8(props.ip, struct e1000e_tx),
561         VMSTATE_INT8(props.tcp, struct e1000e_tx),
562         VMSTATE_BOOL(props.tse, struct e1000e_tx),
563         VMSTATE_BOOL(props.cptse, struct e1000e_tx),
564         VMSTATE_BOOL(skip_cp, struct e1000e_tx),
565         VMSTATE_END_OF_LIST()
566     }
567 };
568 
569 static const VMStateDescription e1000e_vmstate_intr_timer = {
570     .name = "e1000e-intr-timer",
571     .version_id = 1,
572     .minimum_version_id = 1,
573     .fields = (VMStateField[]) {
574         VMSTATE_TIMER_PTR(timer, E1000IntrDelayTimer),
575         VMSTATE_BOOL(running, E1000IntrDelayTimer),
576         VMSTATE_END_OF_LIST()
577     }
578 };
579 
580 #define VMSTATE_E1000E_INTR_DELAY_TIMER(_f, _s)                     \
581     VMSTATE_STRUCT(_f, _s, 0,                                       \
582                    e1000e_vmstate_intr_timer, E1000IntrDelayTimer)
583 
584 #define VMSTATE_E1000E_INTR_DELAY_TIMER_ARRAY(_f, _s, _num)         \
585     VMSTATE_STRUCT_ARRAY(_f, _s, _num, 0,                           \
586                          e1000e_vmstate_intr_timer, E1000IntrDelayTimer)
587 
588 static const VMStateDescription e1000e_vmstate = {
589     .name = "e1000e",
590     .version_id = 1,
591     .minimum_version_id = 1,
592     .pre_save = e1000e_pre_save,
593     .post_load = e1000e_post_load,
594     .fields = (VMStateField[]) {
595         VMSTATE_PCIE_DEVICE(parent_obj, E1000EState),
596         VMSTATE_MSIX(parent_obj, E1000EState),
597 
598         VMSTATE_UINT32(ioaddr, E1000EState),
599         VMSTATE_UINT32(core.rxbuf_min_shift, E1000EState),
600         VMSTATE_UINT8(core.rx_desc_len, E1000EState),
601         VMSTATE_UINT32_ARRAY(core.rxbuf_sizes, E1000EState,
602                              E1000_PSRCTL_BUFFS_PER_DESC),
603         VMSTATE_UINT32(core.rx_desc_buf_size, E1000EState),
604         VMSTATE_UINT16_ARRAY(core.eeprom, E1000EState, E1000E_EEPROM_SIZE),
605         VMSTATE_UINT16_2DARRAY(core.phy, E1000EState,
606                                E1000E_PHY_PAGES, E1000E_PHY_PAGE_SIZE),
607         VMSTATE_UINT32_ARRAY(core.mac, E1000EState, E1000E_MAC_SIZE),
608         VMSTATE_UINT8_ARRAY(core.permanent_mac, E1000EState, ETH_ALEN),
609 
610         VMSTATE_UINT32(core.delayed_causes, E1000EState),
611 
612         VMSTATE_UINT16(subsys, E1000EState),
613         VMSTATE_UINT16(subsys_ven, E1000EState),
614 
615         VMSTATE_E1000E_INTR_DELAY_TIMER(core.rdtr, E1000EState),
616         VMSTATE_E1000E_INTR_DELAY_TIMER(core.radv, E1000EState),
617         VMSTATE_E1000E_INTR_DELAY_TIMER(core.raid, E1000EState),
618         VMSTATE_E1000E_INTR_DELAY_TIMER(core.tadv, E1000EState),
619         VMSTATE_E1000E_INTR_DELAY_TIMER(core.tidv, E1000EState),
620 
621         VMSTATE_E1000E_INTR_DELAY_TIMER(core.itr, E1000EState),
622         VMSTATE_BOOL(core.itr_intr_pending, E1000EState),
623 
624         VMSTATE_E1000E_INTR_DELAY_TIMER_ARRAY(core.eitr, E1000EState,
625                                               E1000E_MSIX_VEC_NUM),
626         VMSTATE_BOOL_ARRAY(core.eitr_intr_pending, E1000EState,
627                            E1000E_MSIX_VEC_NUM),
628 
629         VMSTATE_UINT32(core.itr_guest_value, E1000EState),
630         VMSTATE_UINT32_ARRAY(core.eitr_guest_value, E1000EState,
631                              E1000E_MSIX_VEC_NUM),
632 
633         VMSTATE_UINT16(core.vet, E1000EState),
634 
635         VMSTATE_STRUCT_ARRAY(core.tx, E1000EState, E1000E_NUM_QUEUES, 0,
636                              e1000e_vmstate_tx, struct e1000e_tx),
637         VMSTATE_END_OF_LIST()
638     }
639 };
640 
641 static PropertyInfo e1000e_prop_disable_vnet,
642                     e1000e_prop_subsys_ven,
643                     e1000e_prop_subsys;
644 
645 static Property e1000e_properties[] = {
646     DEFINE_NIC_PROPERTIES(E1000EState, conf),
647     DEFINE_PROP_DEFAULT("disable_vnet_hdr", E1000EState, disable_vnet, false,
648                         e1000e_prop_disable_vnet, bool),
649     DEFINE_PROP_DEFAULT("subsys_ven", E1000EState, subsys_ven,
650                         PCI_VENDOR_ID_INTEL,
651                         e1000e_prop_subsys_ven, uint16_t),
652     DEFINE_PROP_DEFAULT("subsys", E1000EState, subsys, 0,
653                         e1000e_prop_subsys, uint16_t),
654     DEFINE_PROP_END_OF_LIST(),
655 };
656 
657 static void e1000e_class_init(ObjectClass *class, void *data)
658 {
659     DeviceClass *dc = DEVICE_CLASS(class);
660     PCIDeviceClass *c = PCI_DEVICE_CLASS(class);
661 
662     c->realize = e1000e_pci_realize;
663     c->exit = e1000e_pci_uninit;
664     c->vendor_id = PCI_VENDOR_ID_INTEL;
665     c->device_id = E1000_DEV_ID_82574L;
666     c->revision = 0;
667     c->romfile = "efi-e1000e.rom";
668     c->class_id = PCI_CLASS_NETWORK_ETHERNET;
669     c->is_express = 1;
670 
671     dc->desc = "Intel 82574L GbE Controller";
672     dc->reset = e1000e_qdev_reset;
673     dc->vmsd = &e1000e_vmstate;
674     dc->props = e1000e_properties;
675 
676     e1000e_prop_disable_vnet = qdev_prop_uint8;
677     e1000e_prop_disable_vnet.description = "Do not use virtio headers, "
678                                            "perform SW offloads emulation "
679                                            "instead";
680 
681     e1000e_prop_subsys_ven = qdev_prop_uint16;
682     e1000e_prop_subsys_ven.description = "PCI device Subsystem Vendor ID";
683 
684     e1000e_prop_subsys = qdev_prop_uint16;
685     e1000e_prop_subsys.description = "PCI device Subsystem ID";
686 
687     set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
688 }
689 
690 static void e1000e_instance_init(Object *obj)
691 {
692     E1000EState *s = E1000E(obj);
693     device_add_bootindex_property(obj, &s->conf.bootindex,
694                                   "bootindex", "/ethernet-phy@0",
695                                   DEVICE(obj), NULL);
696 }
697 
698 static const TypeInfo e1000e_info = {
699     .name = TYPE_E1000E,
700     .parent = TYPE_PCI_DEVICE,
701     .instance_size = sizeof(E1000EState),
702     .class_init = e1000e_class_init,
703     .instance_init = e1000e_instance_init,
704 };
705 
706 static void e1000e_register_types(void)
707 {
708     type_register_static(&e1000e_info);
709 }
710 
711 type_init(e1000e_register_types)
712