diff options
Diffstat (limited to 'EdkCompatibilityPkg/Compatibility/CpuIo2OnCpuIoThunk/CpuIo2OnCpuIoThunk.h')
| -rw-r--r-- | EdkCompatibilityPkg/Compatibility/CpuIo2OnCpuIoThunk/CpuIo2OnCpuIoThunk.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Compatibility/CpuIo2OnCpuIoThunk/CpuIo2OnCpuIoThunk.h b/EdkCompatibilityPkg/Compatibility/CpuIo2OnCpuIoThunk/CpuIo2OnCpuIoThunk.h new file mode 100644 index 0000000000..5c8760e9fa --- /dev/null +++ b/EdkCompatibilityPkg/Compatibility/CpuIo2OnCpuIoThunk/CpuIo2OnCpuIoThunk.h @@ -0,0 +1,130 @@ +/** @file
+ Internal include file for the CPU I/O 2 Protocol thunk driver.
+
+Copyright (c) 2009, 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.
+
+**/
+
+#ifndef __CPU_IO2_ON_CPU_IO_H__
+#define __CPU_IO2_ON_CPU_IO_H__
+
+#include <Protocol/CpuIo2.h>
+#include <Protocol/CpuIo.h>
+
+#include <Library/DebugLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+
+/**
+ Enables a driver to read memory-mapped registers in the PI System memory space.
+
+ @param[in] This A pointer to the EFI_CPU_IO2_PROTOCOL instance.
+ @param[in] Width Signifies the width of the memory operation.
+ @param[in] Address The base address of the memory operation.
+ @param[in] Count The number of memory operations to perform. The number of bytes moved
+ is Width size * Count, starting at Address.
+ @param[out] Buffer The destination buffer to store the results.
+
+ @retval EFI_SUCCESS The data was read from or written to the EFI system.
+ @retval EFI_INVALID_PARAMETER Width is invalid for this EFI system. Or Buffer is NULL.
+ @retval EFI_UNSUPPORTED The Buffer is not aligned for the given Width.
+ Or,The address range specified by Address, Width, and Count is not valid for this EFI system.
+
+**/
+EFI_STATUS
+EFIAPI
+CpuMemoryServiceRead (
+ IN EFI_CPU_IO2_PROTOCOL *This,
+ IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
+ IN UINT64 Address,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ );
+
+/**
+ Enables a driver to write memory-mapped registers in the PI System memory space.
+
+ @param[in] This A pointer to the EFI_CPU_IO2_PROTOCOL instance.
+ @param[in] Width Signifies the width of the memory operation.
+ @param[in] Address The base address of the memory operation.
+ @param[in] Count The number of memory operations to perform. The number of bytes moved
+ is Width size * Count, starting at Address.
+ @param[in] Buffer The source buffer from which to write data.
+
+ @retval EFI_SUCCESS The data was read from or written to the EFI system.
+ @retval EFI_INVALID_PARAMETER Width is invalid for this EFI system. Or Buffer is NULL.
+ @retval EFI_UNSUPPORTED The Buffer is not aligned for the given Width.
+ Or,The address range specified by Address, Width, and Count is not valid for this EFI system.
+
+**/
+EFI_STATUS
+EFIAPI
+CpuMemoryServiceWrite (
+ IN EFI_CPU_IO2_PROTOCOL *This,
+ IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
+ IN UINT64 Address,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ );
+
+/**
+ Enables a driver to read registers in the PI CPU I/O space.
+
+ @param[in] This A pointer to the EFI_CPU_IO2_PROTOCOL instance.
+ @param[in] Width Signifies the width of the I/O operation.
+ @param[in] Address The base address of the I/O operation. The caller is responsible
+ for aligning the Address if required.
+ @param[in] Count The number of I/O operations to perform. The number of bytes moved
+ is Width size * Count, starting at Address.
+ @param[out] Buffer The destination buffer to store the results.
+
+ @retval EFI_SUCCESS The data was read from or written to the EFI system.
+ @retval EFI_INVALID_PARAMETER Width is invalid for this EFI system. Or Buffer is NULL.
+ @retval EFI_UNSUPPORTED The Buffer is not aligned for the given Width.
+ Or,The address range specified by Address, Width, and Count is not valid for this EFI system.
+
+**/
+EFI_STATUS
+EFIAPI
+CpuIoServiceRead (
+ IN EFI_CPU_IO2_PROTOCOL *This,
+ IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
+ IN UINT64 Address,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ );
+
+/**
+ Enables a driver to write registers in the PI CPU I/O space.
+
+ @param[in] This A pointer to the EFI_CPU_IO2_PROTOCOL instance.
+ @param[in] Width Signifies the width of the I/O operation.
+ @param[in] Address The base address of the I/O operation. The caller is responsible
+ for aligning the Address if required.
+ @param[in] Count The number of I/O operations to perform. The number of bytes moved
+ is Width size * Count, starting at Address.
+ @param[in] Buffer The source buffer from which to write data.
+
+ @retval EFI_SUCCESS The data was read from or written to the EFI system.
+ @retval EFI_INVALID_PARAMETER Width is invalid for this EFI system. Or Buffer is NULL.
+ @retval EFI_UNSUPPORTED The Buffer is not aligned for the given Width.
+ Or,The address range specified by Address, Width, and Count is not valid for this EFI system.
+
+**/
+EFI_STATUS
+EFIAPI
+CpuIoServiceWrite (
+ IN EFI_CPU_IO2_PROTOCOL *This,
+ IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
+ IN UINT64 Address,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ );
+
+#endif
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