magi: Add kernel configuration stub

nixos/module/magi.nix

@@ -0,0 +1,59 @@
+{ self, ... }: { lib, config, pkgs, ... }: {
+  boot.kernelPackages = let
+    inherit (self.packages.x86_64-linux) linux-hardened;
+  in pkgs.linuxPackagesFor (linux-hardened.override {
+    instSetArch = "znver2";
+    extraConfig =
+      (with linux-hardened.profile; physical // dm-crypt)
+      // (with self.lib.kernel; {
+        CPU_SUP_INTEL = false;
+        CPU_SUP_AMD = true;
+        NR_CPUS = 96;
+        AMD_MEM_ENCRYPT = true;
+
+        ACPI_IPMI = true;
+        ACPI_HMAT = true;
+
+        VIRTUALIZATION = true;
+        KVM = true;
+        KVM_AMD = true;
+        KVM_SMM = true;
+
+        NVME_CORE = true;
+        BLK_DEV_NVME = true;
+        NVME_VERBOSE_ERRORS = true;
+        NVME_HWMON = true;
+
+        ATA = true;
+        ATA_VERBOSE_ERROR = true;
+        ATA_ACPI = true;
+        SATA_PMP = true;
+        SATA_AHCI = true;
+        SATA_MOBILE_LPM_POLICY = 1;
+        ATA_SFF = false;
+
+        BNXT = true;
+        BNXT_FLOWER_OFFLOAD = true;
+        BNXT_HWMON = true;
+        MLX4_EN = true;
+        MLX4_CORE_GEN2 = false;
+
+        IPMI_HANDLER = true;
+        IPMI_PANIC_EVENT = true;
+        IPMI_PANIC_STRING = true;
+        IPMI_WATCHDOG = true;
+
+        HWMON = true;
+        SENSORS_K10TEMP = true;
+        SENSORS_ACPI_POWER = true;
+
+        AMD_IOMMU = true;
+
+        BTRFS_FS = true;
+        BTRFS_FS_POSIX_ACL = true;
+
+        CEPH_FS = true;
+        CEPH_FS_POSIX_ACL = true;
+      });
+  });
+}