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-rw-r--r--OvmfPkg/Library/ResetSystemLib/BaseResetShutdownXen.c65
-rw-r--r--OvmfPkg/Library/ResetSystemLib/BaseResetSystemLibXen.inf41
-rw-r--r--OvmfPkg/Library/ResetSystemLib/DxeResetShutdownXen.c77
-rw-r--r--OvmfPkg/Library/ResetSystemLib/DxeResetSystemLibXen.inf46
-rw-r--r--OvmfPkg/OvmfXen.dsc10
5 files changed, 234 insertions, 5 deletions
diff --git a/OvmfPkg/Library/ResetSystemLib/BaseResetShutdownXen.c b/OvmfPkg/Library/ResetSystemLib/BaseResetShutdownXen.c
new file mode 100644
index 0000000000..f45d9125fe
--- /dev/null
+++ b/OvmfPkg/Library/ResetSystemLib/BaseResetShutdownXen.c
@@ -0,0 +1,65 @@
+/** @file
+ Base Reset System Library Shutdown API implementation for OVMF.
+
+ Copyright (C) 2020, Red Hat, Inc.
+ Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2022, Citrix Systems, Inc.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <Base.h> // BIT13
+
+#include <Library/BaseLib.h> // CpuDeadLoop()
+#include <Library/DebugLib.h> // ASSERT()
+#include <Library/IoLib.h> // IoOr16()
+#include <Library/PciLib.h> // PciRead16()
+#include <Library/ResetSystemLib.h> // ResetShutdown()
+#include <Library/XenHypercallLib.h>
+#include <OvmfPlatforms.h> // OVMF_HOSTBRIDGE_DID
+
+/**
+ Calling this function causes the system to enter a power state equivalent
+ to the ACPI G2/S5 or G3 states.
+
+ System shutdown should not return, if it returns, it means the system does
+ not support shut down reset.
+**/
+VOID
+EFIAPI
+ResetShutdown (
+ VOID
+ )
+{
+ UINT16 AcpiPmBaseAddress;
+ UINT16 HostBridgeDevId;
+
+ AcpiPmBaseAddress = 0;
+ HostBridgeDevId = PciRead16 (OVMF_HOSTBRIDGE_DID);
+ switch (HostBridgeDevId) {
+ case INTEL_82441_DEVICE_ID:
+ AcpiPmBaseAddress = PIIX4_PMBA_VALUE;
+ break;
+ case INTEL_Q35_MCH_DEVICE_ID:
+ AcpiPmBaseAddress = ICH9_PMBASE_VALUE;
+ break;
+ default:
+ {
+ //
+ // Fallback to using hypercall.
+ // Necessary for PVH guest, but should work for HVM guest.
+ //
+ INTN ReturnCode;
+ XEN_SCHED_SHUTDOWN ShutdownOp = {
+ .Reason = XEN_SHED_SHUTDOWN_POWEROFF,
+ };
+ ReturnCode = XenHypercallSchedOp (XEN_SCHEDOP_SHUTDOWN, ShutdownOp);
+ ASSERT (ReturnCode == 0);
+ CpuDeadLoop ();
+ }
+ }
+
+ IoBitFieldWrite16 (AcpiPmBaseAddress + 4, 10, 13, 0);
+ IoOr16 (AcpiPmBaseAddress + 4, BIT13);
+ CpuDeadLoop ();
+}
diff --git a/OvmfPkg/Library/ResetSystemLib/BaseResetSystemLibXen.inf b/OvmfPkg/Library/ResetSystemLib/BaseResetSystemLibXen.inf
new file mode 100644
index 0000000000..8d75dd5653
--- /dev/null
+++ b/OvmfPkg/Library/ResetSystemLib/BaseResetSystemLibXen.inf
@@ -0,0 +1,41 @@
+## @file
+# Base library instance for ResetSystem library class for Xen
+#
+# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2022, Citrix Systems, Inc.
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = BaseResetSystemLib
+ FILE_GUID = 9ef32aa1-9e82-4fb1-9c49-0eff538601f8
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = ResetSystemLib|SEC PEI_CORE PEIM DXE_CORE
+
+#
+# The following information is for reference only and not required by the build
+# tools.
+#
+# VALID_ARCHITECTURES = IA32 X64
+#
+
+[Sources]
+ BaseResetShutdownXen.c
+ ResetSystemLib.c
+
+[Packages]
+ MdeModulePkg/MdeModulePkg.dec
+ MdePkg/MdePkg.dec
+ OvmfPkg/OvmfPkg.dec
+
+[LibraryClasses]
+ BaseLib
+ DebugLib
+ IoLib
+ PciLib
+ TimerLib
+ XenHypercallLib
diff --git a/OvmfPkg/Library/ResetSystemLib/DxeResetShutdownXen.c b/OvmfPkg/Library/ResetSystemLib/DxeResetShutdownXen.c
new file mode 100644
index 0000000000..f7f32765cf
--- /dev/null
+++ b/OvmfPkg/Library/ResetSystemLib/DxeResetShutdownXen.c
@@ -0,0 +1,77 @@
+/** @file
+ DXE Reset System Library Shutdown API implementation for OVMF.
+
+ Copyright (C) 2020, Red Hat, Inc.
+ Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <Base.h> // BIT13
+
+#include <IndustryStandard/Xen/sched.h>
+#include <Library/BaseLib.h> // CpuDeadLoop()
+#include <Library/DebugLib.h> // ASSERT()
+#include <Library/IoLib.h> // IoOr16()
+#include <Library/PcdLib.h> // PcdGet16()
+#include <Library/ResetSystemLib.h> // ResetShutdown()
+#include <Library/XenHypercallLib.h>
+#include <OvmfPlatforms.h> // PIIX4_PMBA_VALUE
+
+STATIC UINT16 mAcpiPmBaseAddress;
+
+EFI_STATUS
+EFIAPI
+DxeResetInit (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ UINT16 HostBridgeDevId;
+
+ HostBridgeDevId = PcdGet16 (PcdOvmfHostBridgePciDevId);
+ switch (HostBridgeDevId) {
+ case INTEL_82441_DEVICE_ID:
+ mAcpiPmBaseAddress = PIIX4_PMBA_VALUE;
+ break;
+ case INTEL_Q35_MCH_DEVICE_ID:
+ mAcpiPmBaseAddress = ICH9_PMBASE_VALUE;
+ break;
+ default:
+ //
+ // Fallback to using hypercall.
+ // Necessary for PVH guest, but should work for HVM guest.
+ //
+ mAcpiPmBaseAddress = 0xffff;
+ break;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Calling this function causes the system to enter a power state equivalent
+ to the ACPI G2/S5 or G3 states.
+
+ System shutdown should not return, if it returns, it means the system does
+ not support shut down reset.
+**/
+VOID
+EFIAPI
+ResetShutdown (
+ VOID
+ )
+{
+ if (mAcpiPmBaseAddress != 0xffff) {
+ IoBitFieldWrite16 (mAcpiPmBaseAddress + 4, 10, 13, 0);
+ IoOr16 (mAcpiPmBaseAddress + 4, BIT13);
+ } else {
+ INTN ReturnCode;
+ XEN_SCHED_SHUTDOWN ShutdownOp = {
+ .Reason = XEN_SHED_SHUTDOWN_POWEROFF,
+ };
+ ReturnCode = XenHypercallSchedOp (XEN_SCHEDOP_SHUTDOWN, &ShutdownOp);
+ ASSERT (ReturnCode == 0);
+ }
+
+ CpuDeadLoop ();
+}
diff --git a/OvmfPkg/Library/ResetSystemLib/DxeResetSystemLibXen.inf b/OvmfPkg/Library/ResetSystemLib/DxeResetSystemLibXen.inf
new file mode 100644
index 0000000000..ccee69e6e1
--- /dev/null
+++ b/OvmfPkg/Library/ResetSystemLib/DxeResetSystemLibXen.inf
@@ -0,0 +1,46 @@
+## @file
+# DXE library instance for ResetSystem library class for Xen
+#
+# Copyright (C) 2020, Red Hat, Inc.
+# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2022, Citrix Systems, Inc.
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 1.29
+ BASE_NAME = DxeResetSystemLibXen
+ FILE_GUID = a5ac25e6-4dc5-4fd9-92cd-74e46bd2e72a
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = ResetSystemLib|DXE_DRIVER DXE_RUNTIME_DRIVER SMM_CORE DXE_SMM_DRIVER UEFI_DRIVER UEFI_APPLICATION
+ CONSTRUCTOR = DxeResetInit
+
+#
+# The following information is for reference only and not required by the build
+# tools.
+#
+# VALID_ARCHITECTURES = IA32 X64
+#
+
+[Sources]
+ DxeResetShutdownXen.c
+ ResetSystemLib.c
+
+[Packages]
+ MdeModulePkg/MdeModulePkg.dec
+ MdePkg/MdePkg.dec
+ OvmfPkg/OvmfPkg.dec
+
+[LibraryClasses]
+ BaseLib
+ DebugLib
+ IoLib
+ PcdLib
+ TimerLib
+ XenHypercallLib
+
+[Pcd]
+ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId ## CONSUMES
diff --git a/OvmfPkg/OvmfXen.dsc b/OvmfPkg/OvmfXen.dsc
index c6fc3031ca..f6846c20ff 100644
--- a/OvmfPkg/OvmfXen.dsc
+++ b/OvmfPkg/OvmfXen.dsc
@@ -120,7 +120,7 @@
[LibraryClasses]
PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
TimerLib|MdePkg/Library/SecPeiDxeTimerLibCpu/SecPeiDxeTimerLibCpu.inf
- ResetSystemLib|OvmfPkg/Library/ResetSystemLib/BaseResetSystemLib.inf
+ ResetSystemLib|OvmfPkg/Library/ResetSystemLib/BaseResetSystemLibXen.inf
PrintLib|MdePkg/Library/BasePrintLib/BasePrintLib.inf
BaseMemoryLib|MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf
BaseLib|MdePkg/Library/BaseLib/BaseLib.inf
@@ -302,7 +302,7 @@
[LibraryClasses.common.DXE_RUNTIME_DRIVER]
PcdLib|MdePkg/Library/DxePcdLib/DxePcdLib.inf
- ResetSystemLib|OvmfPkg/Library/ResetSystemLib/DxeResetSystemLib.inf
+ ResetSystemLib|OvmfPkg/Library/ResetSystemLib/DxeResetSystemLibXen.inf
HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
DxeCoreEntryPoint|MdePkg/Library/DxeCoreEntryPoint/DxeCoreEntryPoint.inf
MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
@@ -315,7 +315,7 @@
[LibraryClasses.common.UEFI_DRIVER]
PcdLib|MdePkg/Library/DxePcdLib/DxePcdLib.inf
- ResetSystemLib|OvmfPkg/Library/ResetSystemLib/DxeResetSystemLib.inf
+ ResetSystemLib|OvmfPkg/Library/ResetSystemLib/DxeResetSystemLibXen.inf
HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
DxeCoreEntryPoint|MdePkg/Library/DxeCoreEntryPoint/DxeCoreEntryPoint.inf
MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
@@ -326,7 +326,7 @@
[LibraryClasses.common.DXE_DRIVER]
AcpiPlatformLib|OvmfPkg/Library/AcpiPlatformLib/DxeAcpiPlatformLib.inf
PcdLib|MdePkg/Library/DxePcdLib/DxePcdLib.inf
- ResetSystemLib|OvmfPkg/Library/ResetSystemLib/DxeResetSystemLib.inf
+ ResetSystemLib|OvmfPkg/Library/ResetSystemLib/DxeResetSystemLibXen.inf
HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
ReportStatusCodeLib|MdeModulePkg/Library/DxeReportStatusCodeLib/DxeReportStatusCodeLib.inf
@@ -346,7 +346,7 @@
[LibraryClasses.common.UEFI_APPLICATION]
PcdLib|MdePkg/Library/DxePcdLib/DxePcdLib.inf
- ResetSystemLib|OvmfPkg/Library/ResetSystemLib/DxeResetSystemLib.inf
+ ResetSystemLib|OvmfPkg/Library/ResetSystemLib/DxeResetSystemLibXen.inf
HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
ReportStatusCodeLib|MdeModulePkg/Library/DxeReportStatusCodeLib/DxeReportStatusCodeLib.inf
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-03 17:28:18 +0000