From bdcf08f5bc20724155af22059bad6043bdb824b3 Mon Sep 17 00:00:00 2001
From: Jiewen Yao <jiewen.yao@intel.com>
Date: Wed, 11 Oct 2017 17:00:17 +0800
Subject: Add PciSegmentInfoLibSimple.

This instance will be consumed by TestPointCheckLib.
It reports PCI segment information in PEI phase, to let
TestPointCheckLib go through the PCI to check BME bit.

Cc: Michael A Kubacki <michael.a.kubacki@intel.com>
Cc: Amy Chan <amy.chan@intel.com>
Cc: Chasel Chiu <chasel.chiu@intel.com>
Cc: Brett Wang  <brett.wang@intel.com>
Cc: Daocheng Bu <daocheng.bu@intel.com>
Cc: Isaac W Oram <isaac.w.oram@intel.com>
Cc: Rangasai V Chaganty <rangasai.v.chaganty@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Amy Chan <amy.chan@intel.com>
---
 .../PciSegmentInfoLibSimple.c                      | 60 ++++++++++++++++++++++
 .../PciSegmentInfoLibSimple.inf                    | 42 +++++++++++++++
 2 files changed, 102 insertions(+)
 create mode 100644 Platform/Intel/MinPlatformPkg/Pci/Library/PciSegmentInfoLibSimple/PciSegmentInfoLibSimple.c
 create mode 100644 Platform/Intel/MinPlatformPkg/Pci/Library/PciSegmentInfoLibSimple/PciSegmentInfoLibSimple.inf

(limited to 'Platform/Intel/MinPlatformPkg/Pci')

diff --git a/Platform/Intel/MinPlatformPkg/Pci/Library/PciSegmentInfoLibSimple/PciSegmentInfoLibSimple.c b/Platform/Intel/MinPlatformPkg/Pci/Library/PciSegmentInfoLibSimple/PciSegmentInfoLibSimple.c
new file mode 100644
index 0000000000..a7e09f16b8
--- /dev/null
+++ b/Platform/Intel/MinPlatformPkg/Pci/Library/PciSegmentInfoLibSimple/PciSegmentInfoLibSimple.c
@@ -0,0 +1,60 @@
+/** @file
+  Default PCI Segment Information Library that returns one segment whose
+  segment base address equals to PcdPciExpressBaseAddress.
+
+  Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials are
+  licensed and made available under the terms and conditions of
+  the BSD License which accompanies this distribution.  The full
+  text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Base.h>
+#include <Library/PciSegmentInfoLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/PcdLib.h>
+
+#define PCI_SEGMENT_INFO_HOB_GUID { \
+  0x6eab7169, 0x9b21, 0x450e, 0x99, 0xe8, 0xe, 0xb1, 0x1b, 0x7d, 0xfe, 0xcb \
+  }
+
+EFI_GUID  mPciSegmentInfoHobGuid = PCI_SEGMENT_INFO_HOB_GUID;
+
+/**
+  Return an array of PCI_SEGMENT_INFO holding the segment information.
+
+  Note: The returned array/buffer is owned by callee.
+
+  @param  Count  Return the count of segments.
+
+  @retval A callee owned array holding the segment information.
+**/
+PCI_SEGMENT_INFO *
+EFIAPI
+GetPciSegmentInfo (
+  OUT UINTN  *Count
+  )
+{
+  VOID              *Hob;
+  PCI_SEGMENT_INFO  *PciSegmentInfo;
+
+  *Count = 1;
+  Hob = GetFirstGuidHob (&mPciSegmentInfoHobGuid);
+  if (Hob != NULL) {
+    PciSegmentInfo = GET_GUID_HOB_DATA(Hob);
+  } else {
+    PciSegmentInfo = BuildGuidHob (&mPciSegmentInfoHobGuid, sizeof(PCI_SEGMENT_INFO));
+    ASSERT(PciSegmentInfo != NULL);
+    PciSegmentInfo->SegmentNumber = 0;
+    PciSegmentInfo->BaseAddress = PcdGet64(PcdPciExpressBaseAddress);
+    PciSegmentInfo->StartBusNumber = 0;
+    PciSegmentInfo->EndBusNumber = 0xFF;
+  }
+  return PciSegmentInfo;
+}
diff --git a/Platform/Intel/MinPlatformPkg/Pci/Library/PciSegmentInfoLibSimple/PciSegmentInfoLibSimple.inf b/Platform/Intel/MinPlatformPkg/Pci/Library/PciSegmentInfoLibSimple/PciSegmentInfoLibSimple.inf
new file mode 100644
index 0000000000..081910e5c5
--- /dev/null
+++ b/Platform/Intel/MinPlatformPkg/Pci/Library/PciSegmentInfoLibSimple/PciSegmentInfoLibSimple.inf
@@ -0,0 +1,42 @@
+## @file
+# Instance of PCI SegmentInfo Library.
+#
+# Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+#
+#  This program and the accompanying materials
+#  are licensed and made available under the terms and conditions of the BSD License
+#  which accompanies this distribution. The full text of the license may be found at
+#  http://opensource.org/licenses/bsd-license.php.
+#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = PciSegmentInfoLibSimple
+  FILE_GUID                      = ACA4E371-3D0E-47BE-8000-5030F97CF9E7
+  MODULE_TYPE                    = PEIM
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = PciSegmentInfoLib
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64 IPF EBC
+#
+
+[Sources]
+  PciSegmentInfoLibSimple.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+
+[LibraryClasses]
+  PcdLib
+  DebugLib
+  HobLib
+
+[Pcd]
+  gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress
-- 
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