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Start of GPU passthrough plan

This commit is contained in:
Nathan McCarty 2022-10-09 21:43:38 -04:00
parent bf3c4fca2d
commit f76c3e17a7
Signed by: thatonelutenist
GPG Key ID: D70DA3DD4D1E9F96
4 changed files with 85 additions and 51 deletions
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3
machines/levitation/configuration.nix
View File

@ -33,6 +33,9 @@
sshKey = config.sops.secrets."borg-ssh-key".path;
};
};
hardware = {
amdPassthrough = true;
};
config = {
isDesktop = true;
setupGrub = true;

2
modules/linux/default.nix
View File

@ -102,6 +102,8 @@ in
# Logitech hardware support
# On by default if the system is a desktop
logitech = mkDefaultOption "logitech" config.nathan.config.isDesktop;
# AMD Single gpu passthrough
amdPassthrough = mkEnableOption "logitech";
};
# Linux specific configuration
config = {

36
modules/linux/hardware.nix
View File

@ -4,10 +4,34 @@ let
in
with lib;
{
config = {
hardware.logitech.wireless = mkIf nw.logitech {
enable = true;
enableGraphical = true;
};
};
config = mkMerge [
{
hardware.logitech.wireless = mkIf nw.logitech {
enable = true;
enableGraphical = true;
};
}
(mkIf nw.amdPassthrough {
# Turn on IOMMU and the needed drivers
boot = {
kernelParams = [ "amd_iommu=on" ];
kernelModules = [ "kvm-amd" "vifo-pci" ];
};
# Enable libvirtd
virtualisation.libvirtd = {
enable = true;
onBoot = "ignore";
onShutdown = "shutdown";
qemu = {
ovmf = {
enable = true;
package = pkgs.OVMFFull;
runAsRoot = true;
};
swtpm.enable = true;
};
};
})
];
}

95
modules/linux/user.nix
View File

@ -3,50 +3,55 @@ let
nc = config.nathan.config;
in
with lib; {
config = {
users = {
# If we install the user and the system is hardended, then disable mutable users
mutableUsers = !(nc.installUser && nc.harden);
# Configure our user, if enabled
users."${nc.user}" = mkMerge [
(mkIf nc.installUser
{
# Darwin is special
home = if pkgs.stdenv.isDarwin then "/Users/nathan" else "/home/nathan";
description = "Nathan McCarty";
shell = pkgs.fish;
# Linux specific configuration next
config = mkMerge [
{
users = {
# If we install the user and the system is hardended, then disable mutable users
mutableUsers = !(nc.installUser && nc.harden);
# Configure our user, if enabled
users."${nc.user}" = mkMerge [
(mkIf nc.installUser
{
# Darwin is special
home = if pkgs.stdenv.isDarwin then "/Users/nathan" else "/home/nathan";
description = "Nathan McCarty";
shell = pkgs.fish;
# Linux specific configuration next
})
(mkIf (nc.installUser && pkgs.stdenv.isLinux) {
isNormalUser = true;
extraGroups = [ "wheel" "networkmanager" "audio" "docker" "libvirtd" "uinput" "adbusers" "plugdev" ];
hashedPassword = "$6$ShBAPGwzKZuB7eEv$cbb3erUqtVGFo/Vux9UwT2NkbVG9VGCxJxPiZFYL0DIc3t4GpYxjkM0M7fFnh.6V8MoSKLM/TvOtzdWbYwI58.";
openssh.authorizedKeys.keys = [
# yubikey ssh key
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILRs6zVljIlQEZ8F+aEBqqbpeFJwCw3JdveZ8TQWfkev cardno:000615938515"
# Macbook pro key
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGBfkO7kq37RQMT8UE8zQt/vP4Ub7kizLw6niToJwAIe nathan@Nathans-MacBook-Pro.local"
# Phone key
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFR0zpmBCb0iEOeeI6SBwgucddNzccfQ5Zmdgib5iSmF nix-on-droid@localhost"
# Tablet key
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKltqneJjfdLjOvnWQC2iP7hP7aTYkURPiR8LFjB7z87 nix-on-droid@localhost"
];
})
(mkIf (nc.installUser && pkgs.stdenv.isLinux) {
isNormalUser = true;
extraGroups = [ "wheel" "networkmanager" "audio" "docker" "libvirtd" "uinput" "adbusers" "plugdev" ];
hashedPassword = "$6$ShBAPGwzKZuB7eEv$cbb3erUqtVGFo/Vux9UwT2NkbVG9VGCxJxPiZFYL0DIc3t4GpYxjkM0M7fFnh.6V8MoSKLM/TvOtzdWbYwI58.";
openssh.authorizedKeys.keys = [
# yubikey ssh key
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILRs6zVljIlQEZ8F+aEBqqbpeFJwCw3JdveZ8TQWfkev cardno:000615938515"
# Macbook pro key
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGBfkO7kq37RQMT8UE8zQt/vP4Ub7kizLw6niToJwAIe nathan@Nathans-MacBook-Pro.local"
# Phone key
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFR0zpmBCb0iEOeeI6SBwgucddNzccfQ5Zmdgib5iSmF nix-on-droid@localhost"
# Tablet key
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKltqneJjfdLjOvnWQC2iP7hP7aTYkURPiR8LFjB7z87 nix-on-droid@localhost"
];
})
];
};
# If we install the user, enable sudo
security.sudo.enable = mkDefault nc.installUser;
# If we isntall the user, make them trusted
nix.settings.trusted-users =
if nc.installUser then [
"nathan"
] else [ ];
# If we setup the user, install the shell as well
environment.systemPackages =
if nc.installUser then [
pkgs.fish
] else [ ];
# Configure the timezone
time.timeZone = "America/New_York";
};
];
};
# If we install the user, enable sudo
security.sudo.enable = mkDefault nc.installUser;
# If we isntall the user, make them trusted
nix.settings.trusted-users =
if nc.installUser then [
"nathan"
] else [ ];
# If we setup the user, install the shell as well
environment.systemPackages =
if nc.installUser then [
pkgs.fish
] else [ ];
# Configure the timezone
time.timeZone = "America/New_York";
}
(mkIf config.nathan.config.hardware.amdPassthrough {
users.users."${nc.user}".extraGroups = [ "libvirtd" ];
})
];
}