AGX Industrial ethernet passthrough

Signed-off-by: Emrah Billur <emrah.billur@unikie.com>

PCI Ethernet passthrough AGX-industrial

Signed-off-by: Emrah Billur <emrah.billur@unikie.com>

Formatting

Signed-off-by: Emrah Billur <emrah.billur@unikie.com>

Author: emrahbillur

modules/reference/hardware/jetpack/agx-industrial-ethernet-pci-passthrough-overlay.dts

@@ -0,0 +1,32 @@
+/*
+ * SPDX-FileCopyrightText: 2022-2026 TII (SSRC) and the Ghaf contributors
+ * SPDX-License-Identifier: CC-BY-SA-4.0
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/clock/tegra234-clock.h>
+#include <dt-bindings/reset/tegra234-reset.h>
+#include <dt-bindings/power/tegra234-powergate.h>
+#include <dt-bindings/memory/tegra234-mc.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+    overlay-name = "PCI ethernet passthrough";
+    compatible = "nvidia,p3701-0008";
+
+    fragment@0 {
+        target-path = "/bus@0";
+        __overlay__ {
+            pcie@14100000 {
+                iommus = <>;
+            };
+            pcie@14180000 {
+                iommus = <>;
+            };
+        };
+    };
+
+};

modules/reference/hardware/jetpack/agx-netvm-wlan-pci-passthrough.nix

@@ -11,7 +11,7 @@ let
 in
 {
   options.ghaf.hardware.nvidia.orin.agx.enableNetvmWlanPCIPassthrough =
-    lib.mkEnableOption "WLAN card PCI passthrough to NetVM";
+    lib.mkEnableOption "WLAN or ethernet card PCI passthrough to NetVM";
   config = lib.mkIf cfg.agx.enableNetvmWlanPCIPassthrough {
     # Orin AGX WLAN card PCI passthrough
     ghaf.hardware.nvidia.orin.enablePCIPassthroughCommon = true;
@@ -22,12 +22,26 @@ in
     ghaf.virtualization.microvm.netvm.extraModules = [
       {
         ghaf.services.wifi.enable = true;
-        microvm.devices = [
-          {
-            bus = "pci";
-            path = "0001:01:00.0";
-          }
-        ];
+        # This bus holds the PCI ethernet or WLAN devices on ORIN AGX's
+        microvm.devices =
+          if cfg.somType == "agx-industrial" then
+            [
+              {
+                bus = "pci";
+                path = "0001:01:00.0";
+              }
+              {
+                bus = "pci";
+                path = "0000:01:00.0";
+              }
+            ]
+          else
+            [
+              {
+                bus = "pci";
+                path = "0001:01:00.0";
+              }
+            ];
         # Network Manager is defined for netvm of Orin Devices
         environment.systemPackages = [ pkgs.networkmanager ];
         # Network Manager package defines a gnome plugin with build failure on Orin
@@ -41,6 +55,8 @@ in
         dtsFile =
           if (cfg.somType == "agx64") then
             ./agx64-ethernet-pci-passthrough-overlay.dts
+          else if (cfg.somType == "agx-industrial") then
+            ./agx-industrial-ethernet-pci-passthrough-overlay.dts
           else
             ./agx-ethernet-pci-passthrough-overlay.dts;
       }
@@ -53,8 +69,9 @@ in
       }
     ];
 
+    # The PCI IDs for the onboard Realtek ethernet and wifi cards and the intel ethernet on AGX Industrial
     boot.kernelParams = [
-      "vfio-pci.ids=10ec:c822,10ec:c82f"
+      "vfio-pci.ids=10ec:c822,10ec:c82f,8086:1533"
       "vfio_iommu_type1.allow_unsafe_interrupts=1"
     ];
   };

modules/reference/hardware/jetpack/agx/orin-agx-industrial.nix

@@ -22,7 +22,7 @@
   };
 
   # To enable or disable wireless
-  networking.wireless.enable = true;
+  networking.wireless.enable = false;
 
   hardware = {
     # Device Tree
@@ -61,17 +61,11 @@
       # modules/reference/hardware/jetpack Please refer to that
       # section for hardware dependent netvm configuration.
 
-      # Wireless Configuration. Orin AGX has WiFi enabled where Orin NX does
-      # not.
+      # Wireless Configuration. Orin AGX has WiFi enabled where Orin NX and
+      # Orin AGX-industrial does not.
 
       # To enable or disable wireless
-      networking.wireless.enable = true;
-
-      # For WLAN firmwares
-      hardware = {
-        enableRedistributableFirmware = true;
-        wirelessRegulatoryDatabase = true;
-      };
+      networking.wireless.enable = false;
 
     }
     # Hardware info guest support