diff options
| author | Guo Mang <mang.guo@intel.com> | 2016-12-22 15:57:14 +0800 |
|---|---|---|
| committer | Guo Mang <mang.guo@intel.com> | 2016-12-26 19:14:41 +0800 |
| commit | 1760cf81e4b1847c6823ea3514a78dd120e19b6e (patch) | |
| tree | 64a874b14050fe24d3bbc1bc13cd293abf8ae018 /Core/MdePkg/Library/UefiPciSegmentLibPciRootBridgeIo/PciSegmentLib.h | |
| parent | 7f05fa00f73038b425002566d3afe6c3ade2ccdb (diff) | |
| download | edk2-platforms-1760cf81e4b1847c6823ea3514a78dd120e19b6e.tar.xz | |
MdePkg: Move to new location
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'Core/MdePkg/Library/UefiPciSegmentLibPciRootBridgeIo/PciSegmentLib.h')
| -rw-r--r-- | Core/MdePkg/Library/UefiPciSegmentLibPciRootBridgeIo/PciSegmentLib.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/UefiPciSegmentLibPciRootBridgeIo/PciSegmentLib.h b/Core/MdePkg/Library/UefiPciSegmentLibPciRootBridgeIo/PciSegmentLib.h new file mode 100644 index 0000000000..7f130feea2 --- /dev/null +++ b/Core/MdePkg/Library/UefiPciSegmentLibPciRootBridgeIo/PciSegmentLib.h @@ -0,0 +1,59 @@ +/** @file
+ Include file of PciSegmentPciRootBridgeIo Library.
+
+ Copyright (c) 2007 - 2009, 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.
+
+**/
+
+#ifndef __DXE_PCI_SEGMENT_LIB__
+#define __DXE_PCI_SEGMENT_LIB__
+
+#include <PiDxe.h>
+
+#include <Protocol/PciRootBridgeIo.h>
+
+#include <Library/PciSegmentLib.h>
+#include <Library/BaseLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/DebugLib.h>
+
+#include <IndustryStandard/Acpi.h>
+
+typedef struct {
+ EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;
+ UINT32 SegmentNumber;
+ UINT64 MinBusNumber;
+ UINT64 MaxBusNumber;
+} PCI_ROOT_BRIDGE_DATA;
+
+/**
+ Assert the validity of a PCI Segment address.
+ A valid PCI Segment address should not contain 1's in bits 28..31 and 48..63
+
+ @param A The address to validate.
+ @param M Additional bits to assert to be zero.
+
+**/
+#define ASSERT_INVALID_PCI_SEGMENT_ADDRESS(A,M) \
+ ASSERT (((A) & (0xffff0000f0000000ULL | (M))) == 0)
+
+/**
+ Translate PCI Lib address into format of PCI Root Bridge I/O Protocol
+
+ @param A The address that encodes the PCI Bus, Device, Function and
+ Register.
+
+**/
+#define PCI_TO_PCI_ROOT_BRIDGE_IO_ADDRESS(A) \
+ ((((UINT32)(A) << 4) & 0xff000000) | (((UINT32)(A) >> 4) & 0x00000700) | (((UINT32)(A) << 1) & 0x001f0000) | (LShiftU64((A) & 0xfff, 32)))
+
+#endif
|