1 files changed, 45 insertions, 0 deletions
diff --git a/pkgs/kernel/bfqsched/default.nix b/pkgs/kernel/bfqsched/default.nix
new file mode 100644
index 00000000..3e0b122a
--- /dev/null
+++ b/pkgs/kernel/bfqsched/default.nix
@@ -0,0 +1,45 @@
+{ stdenv, fetchurl }:
+
+let
+  bfqVersion = "v8r2";
+  kernelVersion = "4.7.0";
+  version = "${kernelVersion}-${bfqVersion}";
+
+  baseURL = "http://algo.ing.unimo.it/people/paolo/disk_sched/patches";
+
+  fetchPatch = { name, sha256 }: fetchurl {
+    url = "${baseURL}/${version}/${name}.patch";
+    inherit sha256;
+  };
+
+  allPatches = [
+    (fetchPatch {
+      name = "0001-block-cgroups-kconfig-build-bits-for-BFQ-v7r11-4.7.0";
+      sha256 = "116jfdgjgmy1fv6kzz7dm1c7rjy1pbsfzzcjv5mgsb7pnaxq3gd6";
+    })
+    (fetchPatch {
+      name = "0002-block-introduce-the-BFQ-v7r11-I-O-sched-for-4.7.0";
+      sha256 = "0wjmnym2ycglx42f513n97b45x3xqi33q7z4cs0aiz0zbblm8jql";
+    })
+    (fetchPatch {
+      name = "0003-block-bfq-add-Early-Queue-Merge-EQM-to-BFQ-v7r11-for";
+      sha256 = "0898aklynxb9dr0nb0kdhc2incjkjihds9dakxvdy0mwjqr0jd6v";
+    })
+    (fetchPatch {
+      name = "0004-block-bfq-turn-BFQ-v7r11-for-4.7.0-into-BFQ-v8r2-for";
+      sha256 = "1aljji6ww73h0vpimbcmk0hj886m6fnnbahgmrkfcq1gc0n0484n";
+    })
+  ];
+
+  patch = stdenv.mkDerivation {
+    name = "bfqsched-${version}.patch";
+    inherit allPatches;
+    buildCommand = ''
+      cat $allPatches > "$out"
+    '';
+  };
+
+in {
+  name = "bfqsched-${version}";
+  inherit version patch;
+}