MdeModulePkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / MdeModulePkg / Library / SmmIpmiLibSmmIpmiProtocol / SmmIpmiLibSmmIpmiProtocol.c

/** @file\r
  Implementation of Ipmi Library for SMM.\r
\r
  Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <PiSmm.h>\r
#include <Protocol/IpmiProtocol.h>\r
#include <Library/IpmiLib.h>\r
#include <Library/SmmServicesTableLib.h>\r
#include <Library/DebugLib.h>\r
\r
IPMI_PROTOCOL *mIpmiProtocol = NULL;\r
\r
/**\r
  This service enables submitting commands via Ipmi.\r
\r
  @param[in]         NetFunction       Net function of the command.\r
  @param[in]         Command           IPMI Command.\r
  @param[in]         RequestData       Command Request Data.\r
  @param[in]         RequestDataSize   Size of Command Request Data.\r
  @param[out]        ResponseData      Command Response Data. The completion code is the first byte of response data.\r
  @param[in, out]    ResponseDataSize  Size of Command Response Data.\r
\r
  @retval EFI_SUCCESS            The command byte stream was successfully submit to the device and a response was successfully received.\r
  @retval EFI_NOT_FOUND          The command was not successfully sent to the device or a response was not successfully received from the device.\r
  @retval EFI_NOT_READY          Ipmi Device is not ready for Ipmi command access.\r
  @retval EFI_DEVICE_ERROR       Ipmi Device hardware error.\r
  @retval EFI_TIMEOUT            The command time out.\r
  @retval EFI_UNSUPPORTED        The command was not successfully sent to the device.\r
  @retval EFI_OUT_OF_RESOURCES   The resource allcation is out of resource or data size error.\r
**/\r
EFI_STATUS\r
EFIAPI\r
IpmiSubmitCommand (\r
  IN     UINT8     NetFunction,\r
  IN     UINT8     Command,\r
  IN     UINT8     *RequestData,\r
  IN     UINT32    RequestDataSize,\r
     OUT UINT8     *ResponseData,\r
  IN OUT UINT32    *ResponseDataSize\r
  )\r
{\r
  EFI_STATUS  Status;\r
\r
  if (mIpmiProtocol == NULL) {\r
    Status = gSmst->SmmLocateProtocol (\r
                  &gSmmIpmiProtocolGuid,\r
                  NULL,\r
                  (VOID **) &mIpmiProtocol\r
                  );\r
    if (EFI_ERROR (Status)) {\r
      //\r
      // Smm Ipmi Protocol is not installed. So, IPMI device is not present.\r
      //\r
      DEBUG ((EFI_D_ERROR, "IpmiSubmitCommand for SMM Status - %r\n", Status));\r
      return EFI_NOT_FOUND;\r
    }\r
  }\r
\r
  Status = mIpmiProtocol->IpmiSubmitCommand (\r
                            mIpmiProtocol,\r
                            NetFunction,\r
                            Command,\r
                            RequestData,\r
                            RequestDataSize,\r
                            ResponseData,\r
                            ResponseDataSize\r
                            );\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
  return EFI_SUCCESS;\r
}\r