chore: add desktop

modules/nixos/services/llama-cpp/default.nix

@@ -1,4 +1,9 @@
-{ config, pkgs, lib, namespace, ... }:
+{ config
+, pkgs
+, lib
+, namespace
+, ...
+}:
 let
   inherit (lib) types mkIf mkEnableOption;
   inherit (lib.${namespace}) mkOpt;
@@ -40,7 +45,10 @@ in
           description = "Download Model";
           wantedBy = [ "multi-user.target" ];
           before = [ "llama-cpp.service" ];
-          path = [ pkgs.curl pkgs.coreutils ];
+          path = [
+            pkgs.curl
+            pkgs.coreutils
+          ];
           serviceConfig = {
             Type = "oneshot";
             RemainAfterExit = true;
@@ -85,20 +93,26 @@ in
         openFirewall = true;
         model = "${modelPath}";
 
-        package = (pkgs.llama-cpp.override {
+        package =
+          (pkgs.llama-cpp.override {
             cudaSupport = true;
-        }).overrideAttrs (oldAttrs: {
+            blasSupport = true;
+            rocmSupport = false;
+            metalSupport = false;
+          }).overrideAttrs
+            (oldAttrs: {
               cmakeFlags = oldAttrs.cmakeFlags ++ [
                 "-DGGML_CUDA_ENABLE_UNIFIED_MEMORY=1"
-            "-DCMAKE_CUDA_ARCHITECTURES=61" # GTX-1070
+                "-DCMAKE_CUDA_ARCHITECTURES=61" # GTX-1070 / GTX-1080ti
+                "-DGGML_NATIVE=ON"
 
                 # Disable CPU Instructions - Intel(R) Core(TM) i5-3570K CPU @ 3.40GHz
-            "-DLLAMA_FMA=OFF"
+                # "-DLLAMA_FMA=OFF"
-            "-DLLAMA_AVX2=OFF"
+                # "-DLLAMA_AVX2=OFF"
-            "-DLLAMA_AVX512=OFF"
+                # "-DLLAMA_AVX512=OFF"
-            "-DGGML_FMA=OFF"
+                # "-DGGML_FMA=OFF"
-            "-DGGML_AVX2=OFF"
+                # "-DGGML_AVX2=OFF"
-            "-DGGML_AVX512=OFF"
+                # "-DGGML_AVX512=OFF"
               ];
             });
 

modules/nixos/virtualisation/podman/default.nix

@@ -1,4 +1,9 @@
-{ config, lib, pkgs, namespace, ... }:
+{ config
+, lib
+, pkgs
+, namespace
+, ...
+}:
 let
   inherit (lib) mkIf;
 

systems/x86_64-linux/lin-va-desktop/default.nix

@@ -0,0 +1,156 @@
+{ namespace
+, pkgs
+, lib
+, ...
+}:
+let
+  inherit (lib.${namespace}) enabled;
+
+in
+{
+  system.stateVersion = "25.11";
+  time.timeZone = "America/New_York";
+  hardware.nvidia-container-toolkit.enable = true;
+
+  nixpkgs.config = {
+    allowUnfree = true;
+    packageOverrides = pkgs: {
+      llama-cpp =
+        (pkgs.llama-cpp.override {
+          cudaSupport = true;
+          blasSupport = true;
+          rocmSupport = false;
+          metalSupport = false;
+        }).overrideAttrs
+          (oldAttrs: rec {
+            version = "7213";
+            src = pkgs.fetchFromGitHub {
+              owner = "ggml-org";
+              repo = "llama.cpp";
+              tag = "b${version}";
+              hash = "sha256-DVP1eGuSbKd0KxmrDCVAdOe16r1wJ9+RonbrUTgVS7U=";
+              leaveDotGit = true;
+              postFetch = ''
+                git -C "$out" rev-parse --short HEAD > $out/COMMIT
+                find "$out" -name .git -print0 | xargs -0 rm -rf
+              '';
+            };
+            # Auto CPU Optimizations
+            cmakeFlags = (oldAttrs.cmakeFlags or [ ]) ++ [
+              "-DGGML_NATIVE=ON"
+              "-DGGML_CUDA_ENABLE_UNIFIED_MEMORY=1"
+              "-DCMAKE_CUDA_ARCHITECTURES=61" # GTX 1070 / GTX 1080ti
+            ];
+            # Disable Nix's march=native Stripping
+            preConfigure = ''
+              export NIX_ENFORCE_NO_NATIVE=0
+              ${oldAttrs.preConfigure or ""}
+            '';
+          });
+    };
+  };
+
+  fileSystems."/mnt/ssd" = {
+    device = "/dev/disk/by-id/ata-Samsung_SSD_870_EVO_1TB_S6PTNZ0R620739L-part1";
+    fsType = "exfat";
+    options = [
+      "uid=1000"
+      "gid=100"
+      "umask=0022"
+    ];
+  };
+
+  networking.firewall = {
+    allowedTCPPorts = [ 8081 ];
+  };
+
+  # System Config
+  reichard = {
+    nix = enabled;
+
+    system = {
+      boot = {
+        enable = true;
+        silentBoot = true;
+        enableSystemd = true;
+        enableGrub = false;
+      };
+      disk = {
+        enable = true;
+        diskPath = "/dev/sdc";
+      };
+      networking = {
+        enable = true;
+        useStatic = {
+          interface = "enp3s0";
+          address = "10.0.20.100";
+          defaultGateway = "10.0.20.254";
+          nameservers = [ "10.0.20.20" ];
+        };
+      };
+    };
+
+    hardware = {
+      opengl = {
+        enable = true;
+        enableNvidia = true;
+      };
+    };
+
+    services = {
+      openssh = enabled;
+    };
+
+    virtualisation = {
+      podman = enabled;
+    };
+
+  };
+
+  services.llama-swap = {
+    enable = true;
+    openFirewall = true;
+    settings = {
+      models = {
+        # https://huggingface.co/ggml-org/gpt-oss-20b-GGUF/tree/main
+        "gpt-oss-20b" = {
+          name = "GPT OSS (20B) - Thinking";
+          cmd = "${pkgs.llama-cpp}/bin/llama-server --port \${PORT} -m /mnt/ssd/Models/gpt-oss-20b-MXFP4.gguf --ctx-size 128000";
+        };
+
+        # https://huggingface.co/ggml-org/Qwen2.5-Coder-7B-Q8_0-GGUF/tree/main
+        "qwen2.5-coder-7b-fim" = {
+          name = "Qwen2.5 Coder (7B) - FIM";
+          cmd = "${pkgs.llama-cpp}/bin/llama-server -m /mnt/ssd/Models/qwen2.5-coder-7b-q8_0.gguf --fim-qwen-7b-default --port \${PORT}";
+        };
+
+        # https://huggingface.co/unsloth/Qwen3-30B-A3B-Instruct-2507-GGUF/tree/main
+        "qwen3-30b-a3b-q4-k-m" = {
+          name = "Qwen3 A3B 2507 (30B) - Instruct";
+          cmd = "${pkgs.llama-cpp}/bin/llama-server --port \${PORT} -m /mnt/ssd/Models/Qwen3-30B-A3B-Instruct-2507-Q4_K_M.gguf --ctx-size 8192 --temp 0.7 --min-p 0.0 --top-p 0.8 --top-k 20";
+        };
+
+        # https://huggingface.co/unsloth/Qwen3-30B-A3B-Thinking-2507-GGUF/tree/main
+        "qwen3-30b-a3b-q4-thinking" = {
+          name = "Qwen3 A3B 2507 (30B) - Thinking";
+          cmd = "${pkgs.llama-cpp}/bin/llama-server --port \${PORT} -m /mnt/ssd/Models/Qwen3-30B-A3B-Thinking-2507-Q4_K_M.gguf --ctx-size 8192 --temp 0.7 --min-p 0.0 --top-p 0.8 --top-k 20";
+        };
+
+        # https://huggingface.co/unsloth/Qwen3-VL-8B-Instruct-GGUF/tree/main
+        "qwen3-8b-vision" = {
+          name = "Qwen3 Vision (8B) - Thinking";
+          cmd = "${pkgs.llama-cpp}/bin/llama-server --port \${PORT} -m /mnt/ssd/Models/Qwen3-VL-8B-Instruct-UD-Q4_K_XL.gguf --mmproj /mnt/ssd/Models/Qwen3-VL-8B-Instruct-UD-Q4_K_XL_mmproj-F16.gguf --ctx-size 65536 --temp 0.7 --min-p 0.0 --top-p 0.8 --top-k 20";
+        };
+      };
+    };
+  };
+
+  # System Packages
+  environment.systemPackages = with pkgs; [
+    btop
+    git
+    tmux
+    vim
+    llama-cpp
+  ];
+}