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Merge pull request #148593 from veehaitch/sgx-psw

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sgx-psw: init package and module
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Jörg Thalheim 2021-12-13 14:16:26 +00:00 • committed by GitHub
commit afa3c99cd5
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12 changed files with 549 additions and 6 deletions
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47
nixos/modules/hardware/cpu/intel-sgx.nix Normal file
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@ -0,0 +1,47 @@
{ config, lib, ... }:
with lib;
let
cfg = config.hardware.cpu.intel.sgx.provision;
defaultGroup = "sgx_prv";
in
{
options.hardware.cpu.intel.sgx.provision = {
enable = mkEnableOption "access to the Intel SGX provisioning device";
user = mkOption {
description = "Owner to assign to the SGX provisioning device.";
type = types.str;
default = "root";
};
group = mkOption {
description = "Group to assign to the SGX provisioning device.";
type = types.str;
default = defaultGroup;
};
mode = mkOption {
description = "Mode to set for the SGX provisioning device.";
type = types.str;
default = "0660";
};
};
config = mkIf cfg.enable {
assertions = [
{
assertion = hasAttr cfg.user config.users.users;
message = "Given user does not exist";
}
{
assertion = (cfg.group == defaultGroup) || (hasAttr cfg.group config.users.groups);
message = "Given group does not exist";
}
];
users.groups = optionalAttrs (cfg.group == defaultGroup) {
"${cfg.group}" = { };
};
services.udev.extraRules = ''
SUBSYSTEM=="misc", KERNEL=="sgx_provision", OWNER="${cfg.user}", GROUP="${cfg.group}", MODE="${cfg.mode}"
'';
};
}