OvmfPkg/PlatformPei: set PcdConfidentialComputingAttr when SEV is active

[mirror_edk2.git] / RedfishPkg / RedfishConfigHandler / RedfishConfigHandlerCommon.c

/** @file\r
  The common code of EDKII Redfish Configuration Handler driver.\r
\r
  (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>\r
\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "RedfishConfigHandlerCommon.h"\r
\r
REDFISH_CONFIG_DRIVER_DATA  gRedfishConfigData;     // Only one Redfish service supproted\r
                                                    // on platform for the BIOS\r
                                                    // Redfish configuration.\r
EFI_EVENT                          gEndOfDxeEvent        = NULL;\r
EFI_EVENT                          gExitBootServiceEvent = NULL;\r
EDKII_REDFISH_CREDENTIAL_PROTOCOL  *gCredential          = NULL;\r
\r
/**\r
  Callback function executed when the EndOfDxe event group is signaled.\r
\r
  @param[in]   Event    Event whose notification function is being invoked.\r
  @param[out]  Context  Pointer to the Context buffer.\r
\r
**/\r
VOID\r
EFIAPI\r
RedfishConfigOnEndOfDxe (\r
  IN  EFI_EVENT  Event,\r
  OUT VOID       *Context\r
  )\r
{\r
  EFI_STATUS  Status;\r
\r
  Status = gCredential->StopService (gCredential, ServiceStopTypeSecureBootDisabled);\r
  if (EFI_ERROR (Status) && (Status != EFI_UNSUPPORTED)) {\r
    DEBUG ((DEBUG_ERROR, "Redfish credential protocol faied to stop service on EndOfDxe: %r", Status));\r
  }\r
\r
  //\r
  // Close event, so it will not be invoked again.\r
  //\r
  gBS->CloseEvent (gEndOfDxeEvent);\r
  gEndOfDxeEvent = NULL;\r
}\r
\r
/**\r
  Callback function executed when the ExitBootService event group is signaled.\r
\r
  @param[in]   Event    Event whose notification function is being invoked.\r
  @param[out]  Context  Pointer to the Context buffer\r
\r
**/\r
VOID\r
EFIAPI\r
RedfishConfigOnExitBootService (\r
  IN  EFI_EVENT  Event,\r
  OUT VOID       *Context\r
  )\r
{\r
  EFI_STATUS  Status;\r
\r
  Status = gCredential->StopService (gCredential, ServiceStopTypeExitBootService);\r
  if (EFI_ERROR (Status) && (Status != EFI_UNSUPPORTED)) {\r
    DEBUG ((DEBUG_ERROR, "Redfish credential protocol faied to stop service on ExitBootService: %r", Status));\r
  }\r
}\r
\r
/**\r
  Unloads an image.\r
\r
  @param[in]  ImageHandle       Handle that identifies the image to be unloaded.\r
\r
  @retval EFI_SUCCESS           The image has been unloaded.\r
\r
**/\r
EFI_STATUS\r
RedfishConfigDriverCommonUnload (\r
  IN EFI_HANDLE  ImageHandle\r
  )\r
{\r
  if (gEndOfDxeEvent != NULL) {\r
    gBS->CloseEvent (gEndOfDxeEvent);\r
    gEndOfDxeEvent = NULL;\r
  }\r
\r
  if (gExitBootServiceEvent != NULL) {\r
    gBS->CloseEvent (gExitBootServiceEvent);\r
    gExitBootServiceEvent = NULL;\r
  }\r
\r
  if (gRedfishConfigData.Event != NULL) {\r
    gBS->CloseEvent (gRedfishConfigData.Event);\r
    gRedfishConfigData.Event = NULL;\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  This is the common code for Redfish configuration UEFI and DXE driver\r
  initialization.\r
\r
  @param[in]  ImageHandle       The firmware allocated handle for the UEFI image.\r
  @param[in]  SystemTable       A pointer to the EFI System Table.\r
\r
  @retval EFI_SUCCESS           The operation completed successfully.\r
  @retval Others                An unexpected error occurred.\r
**/\r
EFI_STATUS\r
RedfishConfigCommonInit (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
{\r
  EFI_STATUS  Status;\r
\r
  //\r
  // Locate Redfish Credential Protocol to get credential for\r
  // accessing to Redfish service.\r
  //\r
  Status = gBS->LocateProtocol (&gEdkIIRedfishCredentialProtocolGuid, NULL, (VOID **)&gCredential);\r
  if (EFI_ERROR (Status)) {\r
    DEBUG ((DEBUG_INFO, "%a: No Redfish Credential Protocol is installed on system.", __FUNCTION__));\r
    return Status;\r
  }\r
\r
  //\r
  // Create EndOfDxe Event.\r
  //\r
  Status = gBS->CreateEventEx (\r
                  EVT_NOTIFY_SIGNAL,\r
                  TPL_CALLBACK,\r
                  RedfishConfigOnEndOfDxe,\r
                  NULL,\r
                  &gEfiEndOfDxeEventGroupGuid,\r
                  &gEndOfDxeEvent\r
                  );\r
  if (EFI_ERROR (Status)) {\r
    DEBUG ((DEBUG_ERROR, "%a: Fail to register End Of DXE event.", __FUNCTION__));\r
    return Status;\r
  }\r
\r
  //\r
  // Create Exit Boot Service event.\r
  //\r
  Status = gBS->CreateEventEx (\r
                  EVT_NOTIFY_SIGNAL,\r
                  TPL_CALLBACK,\r
                  RedfishConfigOnExitBootService,\r
                  NULL,\r
                  &gEfiEventExitBootServicesGuid,\r
                  &gExitBootServiceEvent\r
                  );\r
  if (EFI_ERROR (Status)) {\r
    gBS->CloseEvent (gEndOfDxeEvent);\r
    gEndOfDxeEvent = NULL;\r
    DEBUG ((DEBUG_ERROR, "%a: Fail to register Exit Boot Service event.", __FUNCTION__));\r
    return Status;\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  This is the common code to stop EDK2 Redfish feature driver.\r
\r
  @retval EFI_SUCCESS    All EDK2 Redfish feature drivers are\r
                         stopped.\r
  @retval Others         An unexpected error occurred.\r
**/\r
EFI_STATUS\r
RedfishConfigCommonStop (\r
  VOID\r
  )\r
{\r
  EFI_STATUS                             Status;\r
  EFI_HANDLE                             *HandleBuffer;\r
  UINTN                                  NumberOfHandles;\r
  UINTN                                  Index;\r
  EDKII_REDFISH_CONFIG_HANDLER_PROTOCOL  *ConfigHandler;\r
\r
  Status = gBS->LocateHandleBuffer (\r
                  ByProtocol,\r
                  &gEdkIIRedfishConfigHandlerProtocolGuid,\r
                  NULL,\r
                  &NumberOfHandles,\r
                  &HandleBuffer\r
                  );\r
  if (EFI_ERROR (Status) && (Status != EFI_NOT_FOUND)) {\r
    return Status;\r
  }\r
\r
  Status = EFI_SUCCESS;\r
  for (Index = 0; Index < NumberOfHandles; Index++) {\r
    Status = gBS->HandleProtocol (\r
                    HandleBuffer[Index],\r
                    &gEdkIIRedfishConfigHandlerProtocolGuid,\r
                    (VOID **)&ConfigHandler\r
                    );\r
    ASSERT_EFI_ERROR (Status);\r
\r
    Status = ConfigHandler->Stop (ConfigHandler);\r
    if (EFI_ERROR (Status) && (Status != EFI_UNSUPPORTED)) {\r
      DEBUG ((DEBUG_ERROR, "ERROR: Failed to stop Redfish config handler %p.\n", ConfigHandler));\r
      break;\r
    }\r
  }\r
\r
  return Status;\r
}\r
\r
/**\r
  Callback function executed when a Redfish Config Handler Protocol is installed\r
  by EDK2 Redfish Feature Drivers.\r
\r
**/\r
VOID\r
RedfishConfigHandlerInitialization (\r
  VOID\r
  )\r
{\r
  EFI_STATUS                             Status;\r
  EFI_HANDLE                             *HandleBuffer;\r
  UINTN                                  NumberOfHandles;\r
  EDKII_REDFISH_CONFIG_HANDLER_PROTOCOL  *ConfigHandler;\r
  UINTN                                  Index;\r
  UINT32                                 Id;\r
\r
  Status = gBS->LocateHandleBuffer (\r
                  ByProtocol,\r
                  &gEdkIIRedfishConfigHandlerProtocolGuid,\r
                  NULL,\r
                  &NumberOfHandles,\r
                  &HandleBuffer\r
                  );\r
  if (EFI_ERROR (Status)) {\r
    return;\r
  }\r
\r
  for (Index = 0; Index < NumberOfHandles; Index++) {\r
    Status = gBS->HandleProtocol (\r
                    HandleBuffer[Index],\r
                    &gEfiCallerIdGuid,\r
                    (VOID **)&Id\r
                    );\r
    if (!EFI_ERROR (Status)) {\r
      continue;\r
    }\r
\r
    Status = gBS->HandleProtocol (\r
                    HandleBuffer[Index],\r
                    &gEdkIIRedfishConfigHandlerProtocolGuid,\r
                    (VOID **)&ConfigHandler\r
                    );\r
    ASSERT_EFI_ERROR (Status);\r
    Status = ConfigHandler->Init (ConfigHandler, &gRedfishConfigData.RedfishServiceInfo);\r
    if (EFI_ERROR (Status) && (Status != EFI_ALREADY_STARTED)) {\r
      DEBUG ((DEBUG_ERROR, "ERROR: Failed to init Redfish config handler %p.\n", ConfigHandler));\r
    }\r
\r
    //\r
    // Install caller ID to indicate Redfish Configure Handler is initialized.\r
    //\r
    Status = gBS->InstallProtocolInterface (\r
                    &HandleBuffer[Index],\r
                    &gEfiCallerIdGuid,\r
                    EFI_NATIVE_INTERFACE,\r
                    (VOID *)&gRedfishConfigData.CallerId\r
                    );\r
    ASSERT_EFI_ERROR (Status);\r
  }\r
}\r