From f9335bcb7ccbcba63e8208639a8f8bdf7495f605 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Fri, 8 Nov 2024 10:16:07 +0100
Subject: [PATCH] OvmfPkg: add fw_cfg option for iscsi support

Use UefiDriverEntryPointFwCfgOverrideLib for IScsiDxe so the driver
can be enabled/disabled via fw_cfg option.

usage: qemu -fw_cfg name=opt/org.tianocore/ISCSISupport,string={yes,no}

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 OvmfPkg/Include/Dsc/NetworkComponents.dsc.inc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/OvmfPkg/Include/Dsc/NetworkComponents.dsc.inc b/OvmfPkg/Include/Dsc/NetworkComponents.dsc.inc
index fcc3a780e3..0ed30ba921 100644
--- a/OvmfPkg/Include/Dsc/NetworkComponents.dsc.inc
+++ b/OvmfPkg/Include/Dsc/NetworkComponents.dsc.inc
@@ -42,4 +42,13 @@
       gUefiOvmfPkgTokenSpaceGuid.PcdEntryPointOverrideFwCfgVarName|"opt/org.tianocore/VirtioNetSupport"
   }
 
+  !if $(NETWORK_ISCSI_ENABLE) == TRUE
+    NetworkPkg/IScsiDxe/IScsiDxe.inf {
+      <LibraryClasses>
+        UefiDriverEntryPoint|OvmfPkg/Library/UefiDriverEntryPointFwCfgOverrideLib/UefiDriverEntryPointFwCfgOverrideLib.inf
+      <PcdsFixedAtBuild>
+        gUefiOvmfPkgTokenSpaceGuid.PcdEntryPointOverrideFwCfgVarName|"opt/org.tianocore/ISCSISupport"
+    }
+  !endif
+
 !endif