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/** @file
Contains function prototypes for Memory Services in the SMM Core.
This header file borrows the PiSmmCore Memory Allocation services as the primitive
for memory allocation.
Copyright (c) 2008 - 2010, 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 _PI_SMM_CORE_MEMORY_ALLOCATION_SERVICES_H_
#define _PI_SMM_CORE_MEMORY_ALLOCATION_SERVICES_H_
/**
Allocates pages from the memory map.
@param Type The type of allocation to perform
@param MemoryType The type of memory to turn the allocated pages
into
@param NumberOfPages The number of pages to allocate
@param Memory A pointer to receive the base allocated memory
address
@retval EFI_INVALID_PARAMETER Parameters violate checking rules defined in spec.
@retval EFI_NOT_FOUND Could not allocate pages match the requirement.
@retval EFI_OUT_OF_RESOURCES No enough pages to allocate.
@retval EFI_SUCCESS Pages successfully allocated.
**/
EFI_STATUS
EFIAPI
SmmAllocatePages (
IN EFI_ALLOCATE_TYPE Type,
IN EFI_MEMORY_TYPE MemoryType,
IN UINTN NumberOfPages,
OUT EFI_PHYSICAL_ADDRESS *Memory
);
/**
Frees previous allocated pages.
@param Memory Base address of memory being freed
@param NumberOfPages The number of pages to free
@retval EFI_NOT_FOUND Could not find the entry that covers the range
@retval EFI_INVALID_PARAMETER Address not aligned
@return EFI_SUCCESS Pages successfully freed.
**/
EFI_STATUS
EFIAPI
SmmFreePages (
IN EFI_PHYSICAL_ADDRESS Memory,
IN UINTN NumberOfPages
);
/**
Allocate pool of a particular type.
@param PoolType Type of pool to allocate
@param Size The amount of pool to allocate
@param Buffer The address to return a pointer to the allocated
pool
@retval EFI_INVALID_PARAMETER PoolType not valid
@retval EFI_OUT_OF_RESOURCES Size exceeds max pool size or allocation failed.
@retval EFI_SUCCESS Pool successfully allocated.
**/
EFI_STATUS
EFIAPI
SmmAllocatePool (
IN EFI_MEMORY_TYPE PoolType,
IN UINTN Size,
OUT VOID **Buffer
);
/**
Frees pool.
@param Buffer The allocated pool entry to free
@retval EFI_INVALID_PARAMETER Buffer is not a valid value.
@retval EFI_SUCCESS Pool successfully freed.
**/
EFI_STATUS
EFIAPI
SmmFreePool (
IN VOID *Buffer
);
#endif
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