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hw/xen: use qemu_create_nic_bus_devices() to instantiate Xen NICs

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When instantiating XenBus itself, for each NIC which is configured with
either the model unspecified, or set to to "xen" or "xen-net-device",
create a corresponding xen-net-device for it.

Now we can revert the previous more hackish version which relied on the
platform code explicitly registering the NICs on its own XenBus, having
returned the BusState* from xen_bus_init() itself.

This also fixes the setup for Xen PV guests, which was previously broken
in various ways and never actually managed to peer with the netdev.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
This commit is contained in:
David Woodhouse 2023-10-17 17:53:58 +01:00
parent 8d39f9ba14
commit 7d6eff13b3
9 changed files with 10 additions and 54 deletions
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2
hw/i386/pc_piix.c
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@ -339,7 +339,7 @@ static void pc_init1(MachineState *machine,
pc_basic_device_init(pcms, isa_bus, x86ms->gsi, rtc_state, true,
0x4);
pc_nic_init(pcmc, isa_bus, pci_bus, pcms->xenbus);
pc_nic_init(pcmc, isa_bus, pci_bus);
if (pcmc->pci_enabled) {
pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state);