mstflint_access: init at 4.26

Add companion kernel module for mstflint, which is required
on some systems with secure boot enabled.

Link to corresponding mstflint version.

Signed-off-by: Markus Theil <theil.markus@gmail.com>

pkgs/os-specific/linux/mstflint_access/default.nix

@@ -0,0 +1,40 @@
+{ lib, stdenv, fetchurl, kernel, kmod, mstflint }:
+
+stdenv.mkDerivation rec {
+  pname = "mstflint_access";
+  inherit (mstflint) version;
+
+  src = fetchurl {
+    url = "https://github.com/Mellanox/mstflint/releases/download/v${version}/kernel-mstflint-${version}.tar.gz";
+    hash = "sha256-rfZts0m8x6clVazpbAa2xK+dYgRU9Us5rbcWa0uHJ1M=";
+  };
+
+  nativeBuildInputs = [ kmod ] ++ kernel.moduleBuildDependencies;
+
+  makeFlags = kernel.makeFlags ++ [
+    "KVER=${kernel.modDirVersion}"
+    "KSRC=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
+  ];
+
+  enableParallelBuilding = true;
+
+  preConfigure = lib.optionals (lib.versionAtLeast kernel.version "6.4") ''
+    sed -i "s/class_create(THIS_MODULE, dev->name)/class_create(dev->name)/g" mst_main.c
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    install -D ${pname}.ko $out/lib/modules/${kernel.modDirVersion}/extra/${pname}.ko
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "A kernel module for Nvidia NIC firmware update";
+    homepage = "https://github.com/Mellanox/mstflint";
+    license = [ licenses.gpl2Only ];
+    maintainers = with maintainers; [ thillux ];
+    platforms = platforms.linux;
+  };
+}

pkgs/top-level/linux-kernels.nix

@@ -387,6 +387,8 @@ in {
 
     lttng-modules = callPackage ../os-specific/linux/lttng-modules { };
 
+    mstflint_access = callPackage ../os-specific/linux/mstflint_access { };
+
     broadcom_sta = callPackage ../os-specific/linux/broadcom-sta { };
 
     tbs = callPackage ../os-specific/linux/tbs { };