C++ pci_create_simple函数代码示例

static int pci_vpb_init(SysBusDevice *dev)
{
    PCIVPBState *s = FROM_SYSBUS(PCIVPBState, dev);
    PCIBus *bus;
    int i;

    for (i = 0; i < 4; i++) {
        sysbus_init_irq(dev, &s->irq[i]);
    }
    bus = pci_register_bus(&dev->qdev, "pci",
                           pci_vpb_set_irq, pci_vpb_map_irq, s->irq,
                           get_system_memory(), get_system_io(),
                           PCI_DEVFN(11, 0), 4);

    /* ??? Register memory space.  */

    /* Our memory regions are:
     * 0 : PCI self config window
     * 1 : PCI config window
     * 2 : PCI IO window (realview_pci only)
     */
    memory_region_init_io(&s->mem_config, &pci_vpb_config_ops, bus,
                          "pci-vpb-selfconfig", 0x1000000);
    sysbus_init_mmio(dev, &s->mem_config);
    memory_region_init_io(&s->mem_config2, &pci_vpb_config_ops, bus,
                          "pci-vpb-config", 0x1000000);
    sysbus_init_mmio(dev, &s->mem_config2);
    if (s->realview) {
        isa_mmio_setup(&s->isa, 0x0100000);
        sysbus_init_mmio(dev, &s->isa);
    }

    pci_create_simple(bus, -1, "versatile_pci_host");
    return 0;
}

void vt82c686b_ide_init(PCIBus *bus, DriveInfo **hd_table, int devfn)
{
    PCIDevice *dev;

    dev = pci_create_simple(bus, devfn, "via-ide");
    pci_ide_create_devs(dev, hd_table);
}

void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id)
{
    struct PCIDevice *bridge_dev;
    int i, num;
    uint16_t pch_dev_id = 0xffff;
    uint8_t pch_rev_id;

    num = ARRAY_SIZE(igd_combo_id_infos);
    for (i = 0; i < num; i++) {
        if (gpu_dev_id == igd_combo_id_infos[i].gpu_device_id) {
            pch_dev_id = igd_combo_id_infos[i].pch_device_id;
            pch_rev_id = igd_combo_id_infos[i].pch_revision_id;
        }
    }

    if (pch_dev_id == 0xffff) {
        return;
    }

    /* Currently IGD drivers always need to access PCH by 1f.0. */
    bridge_dev = pci_create_simple(bus, PCI_DEVFN(0x1f, 0),
                                   "igd-passthrough-isa-bridge");

    /*
     * Note that vendor id is always PCI_VENDOR_ID_INTEL.
     */
    if (!bridge_dev) {
        fprintf(stderr, "set igd-passthrough-isa-bridge failed!\n");
        return;
    }
    pci_config_set_device_id(bridge_dev->config, pch_dev_id);
    pci_config_set_revision(bridge_dev->config, pch_rev_id);
}

/* NOTE: for the PIIX4, the IRQs and IOports are hardcoded */
PCIDevice *pci_piix4_ide_init(PCIBus *bus, DriveInfo **hd_table, int devfn)
{
    PCIDevice *dev;

    dev = pci_create_simple(bus, devfn, "piix4-ide");
    pci_ide_create_devs(dev, hd_table);
    return dev;
}

void fakepci_activate_device(enum fake_bus_type_t type, void *bus)
{
    if (!s_fake_pci) {
        return;
    }

    assert(type == PCI);
    pci_create_simple((struct PCIBus*) bus, -1, s_fake_pci->name);
}

/* EBUS (Eight bit bus) bridge */
static void
pci_ebus_init(PCIBus *bus, int devfn)
{
    qemu_irq *isa_irq;

    pci_create_simple(bus, devfn, "ebus");
    isa_irq = qemu_allocate_irqs(dummy_isa_irq_handler, NULL, 16);
    isa_bus_irqs(isa_irq);
}

void pc_pci_device_init(PCIBus *pci_bus)
{
    int max_bus;
    int bus;

    max_bus = drive_get_max_bus(IF_SCSI);
    for (bus = 0; bus <= max_bus; bus++) {
        pci_create_simple(pci_bus, -1, "lsi53c895a");
    }
}

static void pc_xen_hvm_init(MachineState *machine)
{
    PCIBus *bus;

    pc_init_pci(machine);

    bus = pci_find_primary_bus();
    if (bus != NULL) {
        pci_create_simple(bus, -1, "xen-platform");
    }
}

static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
{
    PCIBus *bus;

    pc_init_pci(args);

    bus = pci_find_primary_bus();
    if (bus != NULL) {
        pci_create_simple(bus, -1, "xen-platform");
    }
}

/* EBUS (Eight bit bus) bridge */
static ISABus *
pci_ebus_init(PCIBus *bus, int devfn, qemu_irq *irqs)
{
    qemu_irq *isa_irq;
    PCIDevice *pci_dev;
    ISABus *isa_bus;

    pci_dev = pci_create_simple(bus, devfn, "ebus");
    isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(pci_dev), "isa.0"));
    isa_irq = qemu_allocate_irqs(isa_irq_handler, irqs, 16);
    isa_bus_irqs(isa_bus, isa_irq);
    return isa_bus;
}

/* EBUS (Eight bit bus) bridge */
static ISABus *
pci_ebus_init(PCIBus *bus, int devfn, qemu_irq *irqs)
{
    qemu_irq *isa_irq;
    PCIDevice *pci_dev;
    ISABus *isa_bus;

    pci_dev = pci_create_simple(bus, devfn, "ebus");
    isa_bus = DO_UPCAST(ISABus, qbus,
                        qdev_get_child_bus(&pci_dev->qdev, "isa.0"));
    isa_irq = qemu_allocate_irqs(isa_irq_handler, irqs, 16);
    isa_bus_irqs(isa_bus, isa_irq);
    return isa_bus;
}

static void pc_xen_hvm_init(MachineState *machine)
{
    PCIBus *bus;

    if (!xen_enabled()) {
        error_report("xenfv machine requires the xen accelerator");
        exit(1);
    }

    pc_xen_hvm_init_pci(machine);

    bus = pci_find_primary_bus();
    if (bus != NULL) {
        pci_create_simple(bus, -1, "xen-platform");
    }
}

void alpha_pci_vga_setup(PCIBus *pci_bus)
{
    switch (vga_interface_type) {
#ifdef CONFIG_SPICE
    case VGA_QXL:
        pci_create_simple(pci_bus, -1, "qxl-vga");
        return;
#endif
    case VGA_CIRRUS:
        pci_cirrus_vga_init(pci_bus);
        return;
    case VGA_VMWARE:
        pci_vmsvga_init(pci_bus);
        return;
    }
    /* If VGA is enabled at all, and one of the above didn't work, then
       fallback to Standard VGA.  */
    if (vga_interface_type != VGA_NONE) {
        pci_vga_init(pci_bus);
    }
}

static int ppc440_pcix_initfn(SysBusDevice *dev)
{
    PPC440PCIXState *s;
    PCIHostState *h;
    int i;

    h = PCI_HOST_BRIDGE(dev);
    s = PPC440_PCIX_HOST_BRIDGE(dev);

    for (i = 0; i < ARRAY_SIZE(s->irq); i++) {
        sysbus_init_irq(dev, &s->irq[i]);
    }

    memory_region_init(&s->busmem, OBJECT(dev), "pci bus memory", UINT64_MAX);
    h->bus = pci_register_root_bus(DEVICE(dev), NULL, ppc440_pcix_set_irq,
                         ppc440_pcix_map_irq, s->irq, &s->busmem,
                         get_system_io(), PCI_DEVFN(0, 0), 4, TYPE_PCI_BUS);

    s->dev = pci_create_simple(h->bus, PCI_DEVFN(0, 0), "ppc4xx-host-bridge");

    memory_region_init(&s->bm, OBJECT(s), "bm-ppc440-pcix", UINT64_MAX);
    memory_region_add_subregion(&s->bm, 0x0, &s->busmem);
    address_space_init(&s->bm_as, &s->bm, "pci-bm");
    pci_setup_iommu(h->bus, ppc440_pcix_set_iommu, s);

    memory_region_init(&s->container, OBJECT(s), "pci-container", PCI_ALL_SIZE);
    memory_region_init_io(&h->conf_mem, OBJECT(s), &pci_host_conf_le_ops,
                          h, "pci-conf-idx", 4);
    memory_region_init_io(&h->data_mem, OBJECT(s), &ppc440_pcix_host_data_ops,
                          h, "pci-conf-data", 4);
    memory_region_init_io(&s->iomem, OBJECT(s), &pci_reg_ops, s,
                          "pci.reg", PPC440_REG_SIZE);
    memory_region_add_subregion(&s->container, PCIC0_CFGADDR, &h->conf_mem);
    memory_region_add_subregion(&s->container, PCIC0_CFGDATA, &h->data_mem);
    memory_region_add_subregion(&s->container, PPC440_REG_BASE, &s->iomem);
    sysbus_init_mmio(dev, &s->container);

    return 0;
}

static int pci_vpb_init(SysBusDevice *dev)
{
    PCIVPBState *s = FROM_SYSBUS(PCIVPBState, dev);
    PCIBus *bus;
    int i;

    for (i = 0; i < 4; i++) {
        sysbus_init_irq(dev, &s->irq[i]);
    }
    bus = pci_register_bus(&dev->qdev, "pci",
                           pci_vpb_set_irq, pci_vpb_map_irq, s->irq,
                           11 << 3, 4);

    /* ??? Register memory space.  */

    s->mem_config = cpu_register_io_memory(pci_vpb_config_read,
                                           pci_vpb_config_write, bus);
    sysbus_init_mmio_cb(dev, 0x04000000, pci_vpb_map);

    pci_create_simple(bus, -1, "versatile_pci_host");
    return 0;
}