UefiCpuPkg: Move AsmRelocateApLoopStart from Mpfuncs.nasm to AmdSev.nasm

[mirror_edk2.git] / MdePkg / Include / Library / PciSegmentInfoLib.h

/** @file\r
  Provides services to return segment information on a platform with multiple PCI segments.\r
\r
  This library is consumed by PciSegmentLib to support multiple segment PCI configuration access.\r
\r
  Copyright (c) 2017 - 2020, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#ifndef __PCI_SEGMENT_INFO_LIB__\r
#define __PCI_SEGMENT_INFO_LIB__\r
\r
typedef struct {\r
  UINT16    SegmentNumber;              ///< Segment number.\r
  UINT64    BaseAddress;                ///< ECAM Base address.\r
  UINT8     StartBusNumber;             ///< Start BUS number, for verifying the PCI Segment address.\r
  UINT8     EndBusNumber;               ///< End BUS number, for verifying the PCI Segment address.\r
} PCI_SEGMENT_INFO;\r
\r
/**\r
  Return an array of PCI_SEGMENT_INFO holding the segment information.\r
\r
  Note: The returned array/buffer is owned by callee.\r
\r
  @param  Count  Return the count of segments.\r
\r
  @retval A callee owned array holding the segment information.\r
**/\r
PCI_SEGMENT_INFO *\r
EFIAPI\r
GetPciSegmentInfo (\r
  UINTN  *Count\r
  );\r
\r
#endif\r