CapsuleUpdatePolicyLibOnProtocol.c

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#include <PiDxe.h>
#include <Library/CapsuleUpdatePolicyLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Protocol/CapsuleUpdatePolicy.h>
 
EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL  *mCapsuleUpdatePolicy = NULL;
 
BOOLEAN
LookupCapsuleUpdatePolicyProtocol (
  VOID
  )
{
  EFI_STATUS  Status;
 
  if (mCapsuleUpdatePolicy != NULL) {
    return TRUE;
  }
 
  Status = gBS->LocateProtocol (
                  &gEdkiiCapsuleUpdatePolicyProtocolGuid,
                  NULL,
                  (VOID **)&mCapsuleUpdatePolicy
                  );
  if (EFI_ERROR (Status)) {
    mCapsuleUpdatePolicy = NULL;
    return FALSE;
  }
 
  return TRUE;
}
 
EFI_STATUS
EFIAPI
CheckSystemPower (
  OUT BOOLEAN  *Good
  )
{
  if (LookupCapsuleUpdatePolicyProtocol ()) {
    return mCapsuleUpdatePolicy->CheckSystemPower (mCapsuleUpdatePolicy, Good);
  }
 
  *Good = TRUE;
  return EFI_SUCCESS;
}
 
EFI_STATUS
EFIAPI
CheckSystemThermal (
  OUT BOOLEAN  *Good
  )
{
  if (LookupCapsuleUpdatePolicyProtocol ()) {
    return mCapsuleUpdatePolicy->CheckSystemThermal (mCapsuleUpdatePolicy, Good);
  }
 
  *Good = TRUE;
  return EFI_SUCCESS;
}
 
EFI_STATUS
EFIAPI
CheckSystemEnvironment (
  OUT BOOLEAN  *Good
  )
{
  if (LookupCapsuleUpdatePolicyProtocol ()) {
    return mCapsuleUpdatePolicy->CheckSystemEnvironment (mCapsuleUpdatePolicy, Good);
  }
 
  *Good = TRUE;
  return EFI_SUCCESS;
}
 
BOOLEAN
EFIAPI
IsLowestSupportedVersionCheckRequired (
  VOID
  )
{
  if (LookupCapsuleUpdatePolicyProtocol ()) {
    return mCapsuleUpdatePolicy->IsLowestSupportedVersionCheckRequired (mCapsuleUpdatePolicy);
  }
 
  return TRUE;
}
 
BOOLEAN
EFIAPI
IsLockFmpDeviceAtLockEventGuidRequired (
  VOID
  )
{
  if (LookupCapsuleUpdatePolicyProtocol ()) {
    return mCapsuleUpdatePolicy->IsLockFmpDeviceAtLockEventGuidRequired (mCapsuleUpdatePolicy);
  }
 
  return TRUE;
}