diff options
author | Min M Xu <min.m.xu@intel.com> | 2022-05-07 09:36:18 +0800 |
---|---|---|
committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2022-05-11 08:40:53 +0000 |
commit | b5cd30a79b715a12e8ab78b444b901e4d58c4005 (patch) | |
tree | 39d6a6f2f6a5809b74b2bb03ec686c0121fc8dc2 /UefiCpuPkg/Library | |
parent | 9dd964f5e5c5595a1acd5eb438fb088327db86fa (diff) | |
download | edk2-b5cd30a79b715a12e8ab78b444b901e4d58c4005.zip edk2-b5cd30a79b715a12e8ab78b444b901e4d58c4005.tar.gz edk2-b5cd30a79b715a12e8ab78b444b901e4d58c4005.tar.bz2 |
UefiCpuPkg: Revert "UefiCpuPkg: Enable Tdx support in MpInitLib"
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3918
This reverts commit 88da06ca763eb6514565c1867a801a427c1f3447.
This commit triggers the ASSERT in Non-Td guest.
Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Erdem Aktas <erdemaktas@google.com>
Cc: James Bottomley <jejb@linux.ibm.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Min Xu <min.m.xu@intel.com>
Tested-by: Tom Lendacky <thomas.lendacky@amd.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Diffstat (limited to 'UefiCpuPkg/Library')
-rw-r--r-- | UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf | 3 | ||||
-rw-r--r-- | UefiCpuPkg/Library/MpInitLib/MpIntelTdx.h | 69 | ||||
-rw-r--r-- | UefiCpuPkg/Library/MpInitLib/MpLib.c | 63 | ||||
-rw-r--r-- | UefiCpuPkg/Library/MpInitLib/MpLibTdx.c | 106 | ||||
-rw-r--r-- | UefiCpuPkg/Library/MpInitLib/MpLibTdxNull.c | 69 | ||||
-rw-r--r-- | UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf | 3 |
6 files changed, 5 insertions, 308 deletions
diff --git a/UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf b/UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf index 159b4d1..e1cd0b3 100644 --- a/UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf +++ b/UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf @@ -24,12 +24,10 @@ [Sources.IA32]
Ia32/AmdSev.c
Ia32/MpFuncs.nasm
- MpLibTdxNull.c
[Sources.X64]
X64/AmdSev.c
X64/MpFuncs.nasm
- MpLibTdx.c
[Sources.common]
AmdSev.c
@@ -38,7 +36,6 @@ MpLib.c
MpLib.h
Microcode.c
- MpIntelTdx.h
[Packages]
MdePkg/MdePkg.dec
diff --git a/UefiCpuPkg/Library/MpInitLib/MpIntelTdx.h b/UefiCpuPkg/Library/MpInitLib/MpIntelTdx.h deleted file mode 100644 index 8a26f6c..0000000 --- a/UefiCpuPkg/Library/MpInitLib/MpIntelTdx.h +++ /dev/null @@ -1,69 +0,0 @@ -/** @file
- CPU MP Initialize Library header file for Td guest.
-
- Copyright (c) 2020 - 2022, Intel Corporation. All rights reserved.<BR>
-
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#ifndef MP_INTEL_TDX_H_
-#define MP_INTEL_TDX_H_
-
-#include <PiPei.h>
-#include <Library/BaseLib.h>
-#include <Library/DebugLib.h>
-#include <Uefi/UefiBaseType.h>
-#include <Protocol/MpService.h>
-
-/**
- Gets detailed MP-related information on the requested processor at the
- instant this call is made. This service may only be called from the BSP.
-
- @param[in] ProcessorNumber The handle number of processor.
- @param[out] ProcessorInfoBuffer A pointer to the buffer where information for
- the requested processor is deposited.
- @param[out] HealthData Return processor health data.
-
- @retval EFI_SUCCESS Processor information was returned.
- @retval EFI_DEVICE_ERROR The calling processor is an AP.
- @retval EFI_INVALID_PARAMETER ProcessorInfoBuffer is NULL.
- @retval EFI_NOT_FOUND The processor with the handle specified by
- ProcessorNumber does not exist in the platform.
- @retval EFI_NOT_READY MP Initialize Library is not initialized.
-
-**/
-EFI_STATUS
-TdxMpInitLibGetProcessorInfo (
- IN UINTN ProcessorNumber,
- OUT EFI_PROCESSOR_INFORMATION *ProcessorInfoBuffer,
- OUT EFI_HEALTH_FLAGS *HealthData OPTIONAL
- );
-
-/**
- Retrieves the number of logical processor in the platform and the number of
- those logical processors that are enabled on this boot. This service may only
- be called from the BSP.
-
- @param[out] NumberOfProcessors Pointer to the total number of logical
- processors in the system, including the BSP
- and disabled APs.
- @param[out] NumberOfEnabledProcessors Pointer to the number of enabled logical
- processors that exist in system, including
- the BSP.
-
- @retval EFI_SUCCESS The number of logical processors and enabled
- logical processors was retrieved.
- @retval EFI_DEVICE_ERROR The calling processor is an AP.
- @retval EFI_INVALID_PARAMETER NumberOfProcessors is NULL and NumberOfEnabledProcessors
- is NULL.
- @retval EFI_NOT_READY MP Initialize Library is not initialized.
-
-**/
-EFI_STATUS
-TdxMpInitLibGetNumberOfProcessors (
- OUT UINTN *NumberOfProcessors, OPTIONAL
- OUT UINTN *NumberOfEnabledProcessors OPTIONAL
- );
-
-#endif
diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpInitLib/MpLib.c index 91c7afa..4a73787 100644 --- a/UefiCpuPkg/Library/MpInitLib/MpLib.c +++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c @@ -9,11 +9,9 @@ **/
#include "MpLib.h"
-#include "MpIntelTdx.h"
#include <Library/VmgExitLib.h>
#include <Register/Amd/Fam17Msr.h>
#include <Register/Amd/Ghcb.h>
-#include <ConfidentialComputingGuestAttr.h>
EFI_GUID mCpuInitMpLibHobGuid = CPU_INIT_MP_LIB_HOB_GUID;
@@ -1805,10 +1803,6 @@ MpInitLibInitialize ( UINTN BackupBufferAddr;
UINTN ApIdtBase;
- if (CC_GUEST_IS_TDX (PcdGet64 (PcdConfidentialComputingGuestAttr))) {
- return EFI_SUCCESS;
- }
-
OldCpuMpData = GetCpuMpDataFromGuidedHob ();
if (OldCpuMpData == NULL) {
MaxLogicalProcessorNumber = PcdGet32 (PcdCpuMaxLogicalProcessorNumber);
@@ -2079,10 +2073,6 @@ MpInitLibGetProcessorInfo ( CPU_INFO_IN_HOB *CpuInfoInHob;
UINTN OriginalProcessorNumber;
- if (CC_GUEST_IS_TDX (PcdGet64 (PcdConfidentialComputingGuestAttr))) {
- return TdxMpInitLibGetProcessorInfo (ProcessorNumber, ProcessorInfoBuffer, HealthData);
- }
-
CpuMpData = GetCpuMpData ();
CpuInfoInHob = (CPU_INFO_IN_HOB *)(UINTN)CpuMpData->CpuInfoInHob;
@@ -2177,10 +2167,6 @@ SwitchBSPWorker ( BOOLEAN OldInterruptState;
BOOLEAN OldTimerInterruptState;
- if (CC_GUEST_IS_TDX (PcdGet64 (PcdConfidentialComputingGuestAttr))) {
- return EFI_UNSUPPORTED;
- }
-
//
// Save and Disable Local APIC timer interrupt
//
@@ -2321,10 +2307,6 @@ EnableDisableApWorker ( CPU_MP_DATA *CpuMpData;
UINTN CallerNumber;
- if (CC_GUEST_IS_TDX (PcdGet64 (PcdConfidentialComputingGuestAttr))) {
- return EFI_UNSUPPORTED;
- }
-
CpuMpData = GetCpuMpData ();
//
@@ -2385,11 +2367,6 @@ MpInitLibWhoAmI ( return EFI_INVALID_PARAMETER;
}
- if (CC_GUEST_IS_TDX (PcdGet64 (PcdConfidentialComputingGuestAttr))) {
- *ProcessorNumber = 0;
- return EFI_SUCCESS;
- }
-
CpuMpData = GetCpuMpData ();
return GetProcessorNumber (CpuMpData, ProcessorNumber);
@@ -2428,16 +2405,12 @@ MpInitLibGetNumberOfProcessors ( UINTN EnabledProcessorNumber;
UINTN Index;
+ CpuMpData = GetCpuMpData ();
+
if ((NumberOfProcessors == NULL) && (NumberOfEnabledProcessors == NULL)) {
return EFI_INVALID_PARAMETER;
}
- if (CC_GUEST_IS_TDX (PcdGet64 (PcdConfidentialComputingGuestAttr))) {
- return TdxMpInitLibGetNumberOfProcessors (NumberOfProcessors, NumberOfEnabledProcessors);
- }
-
- CpuMpData = GetCpuMpData ();
-
//
// Check whether caller processor is BSP
//
@@ -2517,16 +2490,13 @@ StartupAllCPUsWorker ( BOOLEAN HasEnabledAp;
CPU_STATE ApState;
+ CpuMpData = GetCpuMpData ();
+
if (FailedCpuList != NULL) {
*FailedCpuList = NULL;
}
- Status = MpInitLibGetNumberOfProcessors (&ProcessorCount, NULL);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- if ((ProcessorCount == 1) && ExcludeBsp) {
+ if ((CpuMpData->CpuCount == 1) && ExcludeBsp) {
return EFI_NOT_STARTED;
}
@@ -2534,22 +2504,6 @@ StartupAllCPUsWorker ( return EFI_INVALID_PARAMETER;
}
- if (CC_GUEST_IS_TDX (PcdGet64 (PcdConfidentialComputingGuestAttr))) {
- //
- // For Td guest ExcludeBsp must be FALSE. Otherwise it will return in above checks.
- //
- ASSERT (!ExcludeBsp);
-
- //
- // Start BSP.
- //
- Procedure (ProcedureArgument);
-
- return EFI_SUCCESS;
- }
-
- CpuMpData = GetCpuMpData ();
-
//
// Check whether caller processor is BSP
//
@@ -2689,13 +2643,6 @@ StartupThisAPWorker ( CPU_AP_DATA *CpuData;
UINTN CallerNumber;
- //
- // In Td guest, startup of AP is not supported in current stage.
- //
- if (CC_GUEST_IS_TDX (PcdGet64 (PcdConfidentialComputingGuestAttr))) {
- return EFI_UNSUPPORTED;
- }
-
CpuMpData = GetCpuMpData ();
if (Finished != NULL) {
diff --git a/UefiCpuPkg/Library/MpInitLib/MpLibTdx.c b/UefiCpuPkg/Library/MpInitLib/MpLibTdx.c deleted file mode 100644 index fdb58fb..0000000 --- a/UefiCpuPkg/Library/MpInitLib/MpLibTdx.c +++ /dev/null @@ -1,106 +0,0 @@ -/** @file
- CPU MP Initialize Library common functions for Td guest.
-
- Copyright (c) 2020 - 2022, Intel Corporation. All rights reserved.<BR>
-
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include "MpLib.h"
-#include "MpIntelTdx.h"
-
-/**
- Gets detailed MP-related information on the requested processor at the
- instant this call is made. This service may only be called from the BSP.
-
- In current stage only the BSP is workable. So ProcessorNumber should be 0.
-
- @param[in] ProcessorNumber The handle number of processor.
- @param[out] ProcessorInfoBuffer A pointer to the buffer where information for
- the requested processor is deposited.
- @param[out] HealthData Return processor health data.
-
- @retval EFI_SUCCESS Processor information was returned.
- @retval EFI_DEVICE_ERROR The calling processor is an AP.
- @retval EFI_INVALID_PARAMETER ProcessorInfoBuffer is NULL or ProcessorNumber is not 0.
- @retval EFI_NOT_FOUND The processor with the handle specified by
- ProcessorNumber does not exist in the platform.
- @retval EFI_NOT_READY MP Initialize Library is not initialized.
-
-**/
-EFI_STATUS
-TdxMpInitLibGetProcessorInfo (
- IN UINTN ProcessorNumber,
- OUT EFI_PROCESSOR_INFORMATION *ProcessorInfoBuffer,
- OUT EFI_HEALTH_FLAGS *HealthData OPTIONAL
- )
-{
- UINTN OriginalProcessorNumber;
-
- //
- // Lower 24 bits contains the actual processor number.
- //
- OriginalProcessorNumber = ProcessorNumber;
- ProcessorNumber &= BIT24 - 1;
-
- if ((ProcessorInfoBuffer == NULL) || (ProcessorNumber != 0)) {
- return EFI_INVALID_PARAMETER;
- }
-
- ProcessorInfoBuffer->ProcessorId = 0;
- ProcessorInfoBuffer->StatusFlag = PROCESSOR_AS_BSP_BIT | PROCESSOR_ENABLED_BIT;
- ZeroMem (&ProcessorInfoBuffer->Location, sizeof (EFI_CPU_PHYSICAL_LOCATION));
-
- if ((OriginalProcessorNumber & CPU_V2_EXTENDED_TOPOLOGY) != 0) {
- ZeroMem (&ProcessorInfoBuffer->ExtendedInformation.Location2, sizeof (EFI_CPU_PHYSICAL_LOCATION2));
- }
-
- if (HealthData != NULL) {
- HealthData->Uint32 = 0;
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- Retrieves the number of logical processor in the platform and the number of
- those logical processors that are enabled on this boot. This service may only
- be called from the BSP.
-
- @param[out] NumberOfProcessors Pointer to the total number of logical
- processors in the system, including the BSP
- and disabled APs.
- @param[out] NumberOfEnabledProcessors Pointer to the number of enabled logical
- processors that exist in system, including
- the BSP.
-
- @retval EFI_SUCCESS The number of logical processors and enabled
- logical processors was retrieved.
- @retval EFI_DEVICE_ERROR The calling processor is an AP.
- @retval EFI_INVALID_PARAMETER NumberOfProcessors is NULL and NumberOfEnabledProcessors
- is NULL.
- @retval EFI_NOT_READY MP Initialize Library is not initialized.
-
-**/
-EFI_STATUS
-TdxMpInitLibGetNumberOfProcessors (
- OUT UINTN *NumberOfProcessors, OPTIONAL
- OUT UINTN *NumberOfEnabledProcessors OPTIONAL
- )
-{
- ASSERT (NumberOfProcessors != NULL || NumberOfEnabledProcessors != NULL);
- //
- // In current stage only the BSP is workable. So NumberOfProcessors
- // & NumberOfEnableddProcessors are both 1.
- //
- if (NumberOfProcessors != NULL) {
- *NumberOfProcessors = 1;
- }
-
- if (NumberOfEnabledProcessors != NULL) {
- *NumberOfEnabledProcessors = 1;
- }
-
- return EFI_SUCCESS;
-}
diff --git a/UefiCpuPkg/Library/MpInitLib/MpLibTdxNull.c b/UefiCpuPkg/Library/MpInitLib/MpLibTdxNull.c deleted file mode 100644 index b5aaf6d..0000000 --- a/UefiCpuPkg/Library/MpInitLib/MpLibTdxNull.c +++ /dev/null @@ -1,69 +0,0 @@ -/** @file
- CPU MP Initialize Library common functions (NULL instance) for Td guest.
-
- Copyright (c) 2020 - 2022, Intel Corporation. All rights reserved.<BR>
-
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include "MpLib.h"
-#include "MpIntelTdx.h"
-
-/**
- Gets detailed MP-related information on the requested processor at the
- instant this call is made. This service may only be called from the BSP.
-
- @param[in] ProcessorNumber The handle number of processor.
- @param[out] ProcessorInfoBuffer A pointer to the buffer where information for
- the requested processor is deposited.
- @param[out] HealthData Return processor health data.
-
- @retval EFI_SUCCESS Processor information was returned.
- @retval EFI_DEVICE_ERROR The calling processor is an AP.
- @retval EFI_INVALID_PARAMETER ProcessorInfoBuffer is NULL.
- @retval EFI_NOT_FOUND The processor with the handle specified by
- ProcessorNumber does not exist in the platform.
- @retval EFI_NOT_READY MP Initialize Library is not initialized.
-
-**/
-EFI_STATUS
-TdxMpInitLibGetProcessorInfo (
- IN UINTN ProcessorNumber,
- OUT EFI_PROCESSOR_INFORMATION *ProcessorInfoBuffer,
- OUT EFI_HEALTH_FLAGS *HealthData OPTIONAL
- )
-{
- ASSERT (FALSE);
- return EFI_UNSUPPORTED;
-}
-
-/**
- Retrieves the number of logical processor in the platform and the number of
- those logical processors that are enabled on this boot. This service may only
- be called from the BSP.
-
- @param[out] NumberOfProcessors Pointer to the total number of logical
- processors in the system, including the BSP
- and disabled APs.
- @param[out] NumberOfEnabledProcessors Pointer to the number of enabled logical
- processors that exist in system, including
- the BSP.
-
- @retval EFI_SUCCESS The number of logical processors and enabled
- logical processors was retrieved.
- @retval EFI_DEVICE_ERROR The calling processor is an AP.
- @retval EFI_INVALID_PARAMETER NumberOfProcessors is NULL and NumberOfEnabledProcessors
- is NULL.
- @retval EFI_NOT_READY MP Initialize Library is not initialized.
-
-**/
-EFI_STATUS
-TdxMpInitLibGetNumberOfProcessors (
- OUT UINTN *NumberOfProcessors, OPTIONAL
- OUT UINTN *NumberOfEnabledProcessors OPTIONAL
- )
-{
- ASSERT (FALSE);
- return EFI_UNSUPPORTED;
-}
diff --git a/UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf b/UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf index 894be0f..5facf4d 100644 --- a/UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf +++ b/UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf @@ -24,12 +24,10 @@ [Sources.IA32]
Ia32/AmdSev.c
Ia32/MpFuncs.nasm
- MpLibTdxNull.c
[Sources.X64]
X64/AmdSev.c
X64/MpFuncs.nasm
- MpLibTdx.c
[Sources.common]
AmdSev.c
@@ -38,7 +36,6 @@ MpLib.c
MpLib.h
Microcode.c
- MpIntelTdx.h
[Packages]
MdePkg/MdePkg.dec
|