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support USB ethernet in bordervm

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This commit is contained in:
Daniel Barlow
2023-05-09 22:58:56 +01:00
parent 55387b0ee3
commit b70c8ee258
3 changed files with 39 additions and 17 deletions
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47
bordervm-configuration.nix
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@@ -1,7 +1,7 @@
{ config, pkgs, lib, ... }:
let
cfg = config.bordervm;
inherit (lib) mkOption mdDoc types;
inherit (lib) mkOption mkEnableOption mdDoc types optional optionals;
in {
options.bordervm = {
l2tp = {
@@ -22,14 +22,28 @@ in {
};
};
ethernet = {
pciId = mkOption {
description = ''
Host PCI ID (as shown by `lspci`) of the ethernet adaptor
to be used by the VM. This uses VFIO and requires setup
on the emulation host before it will work!
'';
type = types.str;
example = "04:00.0";
pci = {
enable = mkEnableOption "passthru PCI ethernet";
id = mkOption {
description = ''
Host PCI ID (as shown by `lspci`) of the ethernet adaptor
to be used by the VM. This uses VFIO and requires setup
on the emulation host before it will work!
'';
type = types.str;
example = "04:00.0";
};
};
usb = {
enable = mkEnableOption "passthru USB ethernet";
vendor = mkOption {
type = types.str;
example = "0x0bda";
};
product = mkOption {
type = types.str;
example = "0x8153";
};
};
};
};
@@ -66,11 +80,16 @@ in {
virtualisation = {
qemu = {
networkingOptions = [];
options = [
"-device vfio-pci,host=${cfg.ethernet.pciId}"
"-nographic"
"-serial mon:stdio"
];
options = [] ++
optional cfg.ethernet.pci.enable
"-device vfio-pci,host=${cfg.ethernet.pci.id}" ++
optionals cfg.ethernet.usb.enable [
"-device usb-ehci,id=ehci"
"-device usb-host,bus=ehci.0,vendorid=${cfg.ethernet.usb.vendor},productid=${cfg.ethernet.usb.product}"
] ++ [
"-nographic"
"-serial mon:stdio"
];
};
sharedDirectories = {
liminix = {