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e1000e.c (21754B)


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