From 77ef871e081ba7dfe7f7be9c7a464c9e0ce80dd9 Mon Sep 17 00:00:00 2001
From: Vitaly Cheptsov <vit9696@protonmail.com>
Date: Sat, 18 Jul 2020 23:15:18 +0300
Subject: [PATCH 2/2] MdeModulePkg/AtaAtapiPassThru: Add support for drives in
 RAID mode

This resolves the problem of using drivers connected to Intel G33
builtin SATA controller when run from DuetPkg when the only configurable
modes in the BIOS are IDE and RAID.

Signed-off-by: Vitaly Cheptsov <vit9696@protonmail.com>
---
 MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
index 1070516b35..a79713cad6 100644
--- a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
+++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
@@ -625,7 +625,7 @@ AtaAtapiPassThruSupported (
     return EFI_UNSUPPORTED;
   }
 
-  if (IS_PCI_IDE (&PciData) || IS_PCI_SATADPA (&PciData)) {
+  if (IS_PCI_IDE (&PciData) || IS_PCI_SATADPA (&PciData) || IS_PCI_RAID (&PciData)) {
     return EFI_SUCCESS;
   }
 
@@ -1226,6 +1226,12 @@ EnumerateAttachedDevice (
       }
 
       break;
+    case PCI_CLASS_MASS_STORAGE_RAID:
+      Instance->AtaPassThruMode.Attributes &= ~EFI_ATA_PASS_THRU_ATTRIBUTES_PHYSICAL;
+      Instance->ExtScsiPassThruMode.Attributes &= ~EFI_EXT_SCSI_PASS_THRU_ATTRIBUTES_PHYSICAL;
+      //
+      // Fall through to AHCI
+      //
     case PCI_CLASS_MASS_STORAGE_SATADPA:
       //
       // The ATA controller is working at AHCI mode
-- 
2.24.3 (Apple Git-128)