MdePkg: Expand BaseIoLibIntrinsic (IoLib class) library

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

diff --git a/MdePkg/Include/Library/IoLib.h b/MdePkg/Include/Library/IoLib.h
index a0dd16bcd5e15c11df3522faa9aaf6eb0e038d0d..b6df4c10b92938c349f3dbfadbf21b6fd479b50a 100644 (file)
--- a/MdePkg/Include/Library/IoLib.h
+++ b/MdePkg/Include/Library/IoLib.h
@@ -2,6 +2,8 @@
   Provide services to access I/O Ports and MMIO registers.\r
 \r
 Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>\r
+\r
 This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -75,6 +77,56 @@ IoWrite8 (
   IN      UINT8                     Value\r
   );\r
 \r
+/**\r
+  Reads an 8-bit I/O port fifo into a block of memory.\r
+\r
+  Reads the 8-bit I/O fifo port specified by Port.\r
+  The port is read Count times, and the read data is\r
+  stored in the provided Buffer.\r
+\r
+  This function must guarantee that all I/O read and write operations are\r
+  serialized.\r
+\r
+  If 8-bit I/O port operations are not supported, then ASSERT().\r
+\r
+  @param  Port    The I/O port to read.\r
+  @param  Count   The number of times to read I/O port.\r
+  @param  Buffer  The buffer to store the read data into.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+IoReadFifo8 (\r
+  IN      UINTN                     Port,\r
+  IN      UINTN                     Count,\r
+  OUT     VOID                      *Buffer\r
+  );\r
+\r
+/**\r
+  Writes a block of memory into an 8-bit I/O port fifo.\r
+\r
+  Writes the 8-bit I/O fifo port specified by Port.\r
+  The port is written Count times, and the write data is\r
+  retrieved from the provided Buffer.\r
+\r
+  This function must guarantee that all I/O write and write operations are\r
+  serialized.\r
+\r
+  If 8-bit I/O port operations are not supported, then ASSERT().\r
+\r
+  @param  Port    The I/O port to write.\r
+  @param  Count   The number of times to write I/O port.\r
+  @param  Buffer  The buffer to retrieve the write data from.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+IoWriteFifo8 (\r
+  IN      UINTN                     Port,\r
+  IN      UINTN                     Count,\r
+  IN      VOID                      *Buffer\r
+  );\r
+\r
 /**\r
   Reads an 8-bit I/O port, performs a bitwise OR, and writes the\r
   result back to the 8-bit I/O port.\r
@@ -367,6 +419,56 @@ IoWrite16 (
   IN      UINT16                    Value\r
   );\r
 \r
+/**\r
+  Reads a 16-bit I/O port fifo into a block of memory.\r
+\r
+  Reads the 16-bit I/O fifo port specified by Port.\r
+  The port is read Count times, and the read data is\r
+  stored in the provided Buffer.\r
+\r
+  This function must guarantee that all I/O read and write operations are\r
+  serialized.\r
+\r
+  If 16-bit I/O port operations are not supported, then ASSERT().\r
+\r
+  @param  Port    The I/O port to read.\r
+  @param  Count   The number of times to read I/O port.\r
+  @param  Buffer  The buffer to store the read data into.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+IoReadFifo16 (\r
+  IN      UINTN                     Port,\r
+  IN      UINTN                     Count,\r
+  OUT     VOID                      *Buffer\r
+  );\r
+\r
+/**\r
+  Writes a block of memory into a 16-bit I/O port fifo.\r
+\r
+  Writes the 16-bit I/O fifo port specified by Port.\r
+  The port is written Count times, and the write data is\r
+  retrieved from the provided Buffer.\r
+\r
+  This function must guarantee that all I/O write and write operations are\r
+  serialized.\r
+\r
+  If 16-bit I/O port operations are not supported, then ASSERT().\r
+\r
+  @param  Port    The I/O port to write.\r
+  @param  Count   The number of times to write I/O port.\r
+  @param  Buffer  The buffer to retrieve the write data from.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+IoWriteFifo16 (\r
+  IN      UINTN                     Port,\r
+  IN      UINTN                     Count,\r
+  IN      VOID                      *Buffer\r
+  );\r
+\r
 /**\r
   Reads a 16-bit I/O port, performs a bitwise OR, and writes the\r
   result back to the 16-bit I/O port.\r
@@ -668,6 +770,56 @@ IoWrite32 (
   IN      UINT32                    Value\r
   );\r
 \r
+/**\r
+  Reads a 32-bit I/O port fifo into a block of memory.\r
+\r
+  Reads the 32-bit I/O fifo port specified by Port.\r
+  The port is read Count times, and the read data is\r
+  stored in the provided Buffer.\r
+\r
+  This function must guarantee that all I/O read and write operations are\r
+  serialized.\r
+\r
+  If 32-bit I/O port operations are not supported, then ASSERT().\r
+\r
+  @param  Port    The I/O port to read.\r
+  @param  Count   The number of times to read I/O port.\r
+  @param  Buffer  The buffer to store the read data into.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+IoReadFifo32 (\r
+  IN      UINTN                     Port,\r
+  IN      UINTN                     Count,\r
+  OUT     VOID                      *Buffer\r
+  );\r
+\r
+/**\r
+  Writes a block of memory into a 32-bit I/O port fifo.\r
+\r
+  Writes the 32-bit I/O fifo port specified by Port.\r
+  The port is written Count times, and the write data is\r
+  retrieved from the provided Buffer.\r
+\r
+  This function must guarantee that all I/O write and write operations are\r
+  serialized.\r
+\r
+  If 32-bit I/O port operations are not supported, then ASSERT().\r
+\r
+  @param  Port    The I/O port to write.\r
+  @param  Count   The number of times to write I/O port.\r
+  @param  Buffer  The buffer to retrieve the write data from.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+IoWriteFifo32 (\r
+  IN      UINTN                     Port,\r
+  IN      UINTN                     Count,\r
+  IN      VOID                      *Buffer\r
+  );\r
+\r
 /**\r
   Reads a 32-bit I/O port, performs a bitwise OR, and writes the\r
   result back to the 32-bit I/O port.\r