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OvmfPkg/Microvm: PlatformPei/Platform: add id. 

Add + set microvm id for PcdOvmfHostBridgePciDevId.

Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3599
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Jiewen Yao <Jiewen.yao@intel.com>
This commit is contained in:
Gerd Hoffmann 2021-09-08 11:01:13 +02:00 committed by mergify[bot]
parent 8583b57c5c
commit bf02d73e74
2 changed files with 19 additions and 0 deletions
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12
OvmfPkg/Include/IndustryStandard/Microvm.h Normal file
View File

@ -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__

7
OvmfPkg/PlatformPei/Platform.c
View File

@ -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));