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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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9
hw/xenpv/xen_machine_pv.c
View file

@ -32,8 +32,6 @@
static void xen_init_pv(MachineState *machine)
{
int i;
setup_xen_backend_ops();
/* Initialize backend core & drivers */
@ -62,13 +60,6 @@ static void xen_init_pv(MachineState *machine)
vga_interface_created = true;
}
/* configure nics */
for (i = 0; i < nb_nics; i++) {
if (!nd_table[i].model || 0 != strcmp(nd_table[i].model, "xen"))
continue;
xen_config_dev_nic(nd_table + i);
}
xen_bus_init();
/* config cleanup hook */