Add + set microvm id for PcdOvmfHostBridgePciDevId.
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3599
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
Acked-by: Jiewen Yao <jiewen....@intel.com>
---
OvmfPkg/Include/IndustryStandard/Microvm.h | 12 ++++++++++++
OvmfPkg/PlatformPei/Platform.c | 7 +++++++
2 files changed, 19 insertions(+)
create mode 100644 OvmfPkg/Include/IndustryStandard/Microvm.h
diff --git a/OvmfPkg/Include/IndustryStandard/Microvm.h
b/OvmfPkg/Include/IndustryStandard/Microvm.h
new file mode 100644
index 000000000000..c56547c4f2a4
--- /dev/null
+++ b/OvmfPkg/Include/IndustryStandard/Microvm.h
@@ -0,0 +1,12 @@
+/** @file
+ Various defines for qemu microvm
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+#ifndef __MICROVM_H__
+#define __MICROVM_H__
+
+#define MICROVM_PSEUDO_DEVICE_ID 0xfff1
+
+#endif // __MICROVM_H__
diff --git a/OvmfPkg/PlatformPei/Platform.c b/OvmfPkg/PlatformPei/Platform.c
index d425a5c429c6..aeb39595aa28 100644
--- a/OvmfPkg/PlatformPei/Platform.c
+++ b/OvmfPkg/PlatformPei/Platform.c
@@ -31,6 +31,7 @@
#include <Library/ResourcePublicationLib.h>
#include <Ppi/MasterBootMode.h>
#include <IndustryStandard/I440FxPiix4.h>
+#include <IndustryStandard/Microvm.h>
#include <IndustryStandard/Pci22.h>
#include <IndustryStandard/Q35MchIch9.h>
#include <IndustryStandard/QemuCpuHotplug.h>
@@ -364,6 +365,12 @@ MiscInitialization (
AcpiCtlReg = POWER_MGMT_REGISTER_Q35 (ICH9_ACPI_CNTL);
AcpiEnBit = ICH9_ACPI_CNTL_ACPI_EN;
break;
+ case 0xffff: /* microvm */
+ DEBUG ((DEBUG_INFO, "%a: microvm\n", __FUNCTION__));
+ PcdStatus = PcdSet16S (PcdOvmfHostBridgePciDevId,
+ MICROVM_PSEUDO_DEVICE_ID);
+ ASSERT_RETURN_ERROR (PcdStatus);
+ return;
default:
DEBUG ((DEBUG_ERROR, "%a: Unknown Host Bridge Device ID: 0x%04x\n",
__FUNCTION__, mHostBridgeDevId));
--
2.31.1
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