diff options
Diffstat (limited to 'OvmfPkg')
| -rw-r--r-- | OvmfPkg/Library/TdxMailboxLib/TdxMailbox.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/OvmfPkg/Library/TdxMailboxLib/TdxMailbox.c b/OvmfPkg/Library/TdxMailboxLib/TdxMailbox.c index 74cb55611f..c580a28856 100644 --- a/OvmfPkg/Library/TdxMailboxLib/TdxMailbox.c +++ b/OvmfPkg/Library/TdxMailboxLib/TdxMailbox.c @@ -13,14 +13,10 @@ #include <Library/UefiCpuLib.h>
#include <Library/SynchronizationLib.h>
#include <Uefi/UefiBaseType.h>
-#include <Library/TdxLib.h>
#include <IndustryStandard/IntelTdx.h>
#include <IndustryStandard/Tdx.h>
#include <Library/TdxMailboxLib.h>
-volatile VOID *mMailBox = NULL;
-UINT32 mNumOfCpus = 0;
-
/**
This function will be called by BSP to get the CPU number.
@@ -32,11 +28,17 @@ GetCpusNum ( VOID
)
{
- if (mNumOfCpus == 0) {
- mNumOfCpus = TdVCpuNum ();
+ UINT64 Status;
+ TD_RETURN_DATA TdReturnData;
+
+ Status = TdCall (TDCALL_TDINFO, 0, 0, 0, &TdReturnData);
+ if (Status == TDX_EXIT_REASON_SUCCESS) {
+ return TdReturnData.TdInfo.NumVcpus;
+ } else {
+ DEBUG ((DEBUG_ERROR, "Failed call TDCALL_TDINFO. %llx\n", Status));
}
- return mNumOfCpus;
+ return 0;
}
/**
@@ -48,11 +50,7 @@ GetTdxMailBox ( VOID
)
{
- if (mMailBox == NULL) {
- mMailBox = (VOID *)(UINTN)PcdGet32 (PcdOvmfSecGhcbBackupBase);
- }
-
- return mMailBox;
+ return (VOID *)(UINTN)PcdGet32 (PcdOvmfSecGhcbBackupBase);
}
/**
|