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/** @file
This file defines Pei memory test PPI used to perform memory test in PEI phase.
Copyright (c) 2006 - 2008, Intel Corporation. <BR>
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 __BASE_MEMORY_TEST_H__
#define __BASE_MEMORY_TEST_H__
#define PEI_BASE_MEMORY_TEST_GUID \
{ 0xb6ec423c, 0x21d2, 0x490d, {0x85, 0xc6, 0xdd, 0x58, 0x64, 0xea, 0xa6, 0x74 } }
typedef struct _PEI_BASE_MEMORY_TEST_PPI PEI_BASE_MEMORY_TEST_PPI;
///
/// Pei Memory test operations
/// Ignore op not test memory, Quick and Sparse op test memory quickly, Extensive op test memory detailedly.
///
typedef enum {
Ignore,
Quick,
Sparse,
Extensive
} PEI_MEMORY_TEST_OP;
/**
Test a range memory space that is ready to read and write.
If the memory is not ready, the error memory address will be returned.
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
@param This Pointer to Pei memory test PPI instance.
@param BeginAddress Beginning of the memory address to be checked.
@param MemoryLength Bytes of memory range to be checked.
@param Operation Type of memory check operation to be performed.
@param ErrorAddress Address of memory where the error is checked.
@retval EFI_SUCCESS Memory range pass basic read and write test.
@retval EFI_DEVICE_ERROR Memory is not ready to access.
**/
typedef
EFI_STATUS
(EFIAPI *PEI_BASE_MEMORY_TEST)(
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_BASE_MEMORY_TEST_PPI * This,
IN EFI_PHYSICAL_ADDRESS BeginAddress,
IN UINT64 MemoryLength,
IN PEI_MEMORY_TEST_OP Operation,
OUT EFI_PHYSICAL_ADDRESS * ErrorAddress
);
struct _PEI_BASE_MEMORY_TEST_PPI {
PEI_BASE_MEMORY_TEST BaseMemoryTest;
};
extern EFI_GUID gPeiBaseMemoryTestPpiGuid;
#endif
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