sigil/nixos-modules/hardware/ahci.nix

66 lines
1.9 KiB
Nix

{ config, pkgs, lib, ... }:
with lib;
{
options.hardware.genode.ahci = {
enable = lib.mkEnableOption "AHCI (SATA) block driver";
};
config = let cfg = config.hardware.genode.ahci;
in {
hardware.genode.ahci.enable = config.genode.boot.storeBackend == "ahci";
hardware.genode.platform.policies = lib.optional cfg.enable
(builtins.toFile ("ahci.platform-policy.dhall") ''
let Genode = env:DHALL_GENODE
in Genode.Init.Config.Policy::{
, service = "Platform"
, label = Genode.Init.LabelSelector.prefix "ahci_drv"
, content =
[ Genode.Prelude.XML.leaf
{ name = "pci", attributes = toMap { class = "AHCI" } }
]
}
'');
genode.core.children.ahci_drv = lib.mkIf cfg.enable {
inputs = [ pkgs.genodePackages.ahci_drv ];
configFile = pkgs.writeText "ahci_drv.dhall" ''
let Genode = env:DHALL_GENODE
let Init = Genode.Init
in Init.Child.flat
Init.Child.Attributes::{
, binary = "ahci_drv"
, resources = Init.Resources::{
, caps = 400
, ram = Genode.units.MiB 10
, constrainPhys = True
}
, romReports = [ { local = "ports", route = "ahci_ports" } ]
, routes =
[ Init.ServiceRoute.parent "IRQ"
, Init.ServiceRoute.parent "IO_MEM"
, Init.ServiceRoute.parent "IO_PORT"
]
, config = Init.Config::{
, policies =
[ Init.Config.Policy::{
, service = "Block"
, label = Init.LabelSelector.prefix "part_block"
, attributes = toMap { device = "0", writeable = "yes" }
}
]
}
}
'';
};
};
}