X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=IntelFrameworkPkg%2FLibrary%2FDxeIoLibCpuIo%2FDxeCpuIoLibInternal.h;h=dd4a5413baf4e6b704918d3f4fccc803f822d039;hb=aa7fc1c11c3d57d82842dbede50d064639671a98;hp=23ce633b1d4b744fe0cfbfe517345440a771d97f;hpb=7459094d5f6904a0c8445d97519f4a99b654ef43;p=mirror_edk2.git

diff --git a/IntelFrameworkPkg/Library/DxeIoLibCpuIo/DxeCpuIoLibInternal.h b/IntelFrameworkPkg/Library/DxeIoLibCpuIo/DxeCpuIoLibInternal.h
index 23ce633b1d..dd4a5413ba 100644
--- a/IntelFrameworkPkg/Library/DxeIoLibCpuIo/DxeCpuIoLibInternal.h
+++ b/IntelFrameworkPkg/Library/DxeIoLibCpuIo/DxeCpuIoLibInternal.h
@@ -1,17 +1,13 @@
 /** @file
   Internal include file of DXE CPU IO Library.
   It includes all necessary protocol/library class's header file
-  for implementation of IoLib library instance. It is included 
+  for implementation of IoLib library instance. It is included
   all source code of this library instance.
-  
-  Copyright (c) 2006, Intel Corporation
-  All rights reserved. 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.
+  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
 
   Module Name:  DxeCpuIoLibInternal.h
 
@@ -23,10 +19,7 @@
 
 #include <FrameworkDxe.h>
 
-
 #include <Protocol/CpuIo.h>
-#include <Protocol/PciRootBridgeIo.h>
-
 
 #include <Library/IoLib.h>
 #include <Library/UefiBootServicesTableLib.h>
@@ -38,8 +31,10 @@
   Reads registers in the EFI CPU I/O space.
 
   Reads the I/O port specified by Port with registers width specified by Width.
-  The read value is returned. If such operations are not supported, then ASSERT().
+  The read value is returned.
+
   This function must guarantee that all I/O read and write operations are serialized.
+  If such operations are not supported, then ASSERT().
 
   @param  Port          The base address of the I/O operation.
                         The caller is responsible for aligning the Address if required.
@@ -51,31 +46,83 @@
 UINT64
 EFIAPI
 IoReadWorker (
-  IN      UINTN                     Port,
-  IN      EFI_CPU_IO_PROTOCOL_WIDTH Width
+  IN      UINTN                      Port,
+  IN      EFI_CPU_IO_PROTOCOL_WIDTH  Width
   );
 
 /**
   Writes registers in the EFI CPU I/O space.
 
   Writes the I/O port specified by Port with registers width and value specified by Width
-  and Data respectively.  Data is returned. If such operations are not supported, then ASSERT().
+  and Data respectively. Data is returned.
+
   This function must guarantee that all I/O read and write operations are serialized.
+  If such operations are not supported, then ASSERT().
 
   @param  Port          The base address of the I/O operation.
                         The caller is responsible for aligning the Address if required.
   @param  Width         The width of the I/O operation.
   @param  Data          The value to write to the I/O port.
 
-  @return The paramter of Data.
+  @return The parameter of Data.
 
 **/
 UINT64
 EFIAPI
 IoWriteWorker (
-  IN      UINTN                     Port,
-  IN      EFI_CPU_IO_PROTOCOL_WIDTH Width,
-  IN      UINT64                    Data
+  IN      UINTN                      Port,
+  IN      EFI_CPU_IO_PROTOCOL_WIDTH  Width,
+  IN      UINT64                     Data
+  );
+
+/**
+  Reads registers in the EFI CPU I/O space.
+
+  Reads the I/O port specified by Port with registers width specified by Width.
+  The port is read Count times, and the read data is stored in the provided Buffer.
+
+  This function must guarantee that all I/O read and write operations are serialized.
+  If such operations are not supported, then ASSERT().
+
+  @param  Port          The base address of the I/O operation.
+                        The caller is responsible for aligning the Address if required.
+  @param  Width         The width of the I/O operation.
+  @param  Count         The number of times to read I/O port.
+  @param  Buffer        The buffer to store the read data into.
+
+**/
+VOID
+EFIAPI
+IoReadFifoWorker (
+  IN      UINTN                      Port,
+  IN      EFI_CPU_IO_PROTOCOL_WIDTH  Width,
+  IN      UINTN                      Count,
+  IN      VOID                       *Buffer
+  );
+
+/**
+  Writes registers in the EFI CPU I/O space.
+
+  Writes the I/O port specified by Port with registers width specified by Width.
+  The port is written Count times, and the write data is retrieved from the provided Buffer.
+
+  This function must guarantee that all I/O read and write operations are serialized.
+  If such operations are not supported, then ASSERT().
+
+  @param  Port          The base address of the I/O operation.
+                        The caller is responsible for aligning the Address if required.
+  @param  Width         The width of the I/O operation.
+  @param  Count         The number of times to write I/O port.
+  @param  Buffer        The buffer to store the read data into.
+
+**/
+VOID
+EFIAPI
+IoWriteFifoWorker (
+  IN      UINTN                      Port,
+  IN      EFI_CPU_IO_PROTOCOL_WIDTH  Width,
+  IN      UINTN                      Count,
+  IN      VOID                       *Buffer
   );
 
 /**
@@ -110,7 +157,7 @@ MmioReadWorker (
                         The caller is responsible for aligning the Address if required.
   @param  Width         The width of the I/O operation.
   @param  Data          The value to write to the I/O port.
-  
+
   @return Data read from registers in the EFI system memory space.
 
 **/