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+/** @file
+ Memory Allocation Library Services
+
+ 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.
+
+ Module Name: MemoryAllocationLib.h
+
+**/
+
+#ifndef __MEMORY_ALLOCATION_LIB_H__
+#define __MEMORY_ALLOCATION_LIB_H__
+
+/**
+ Allocates the number of 4KB pages specified by Pages of type EfiBootServicesData.
+
+ @param Pages The number of 4 KB pages to allocate.
+
+ @return
+ A pointer to the allocated buffer. The buffer returned is aligned on a 4KB boundary.
+ If Pages is 0, then NULL is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocatePages (
+ IN UINTN Pages
+ )
+;
+
+/**
+ Allocates the number of 4KB pages specified by Pages of type EfiRuntimeServicesData.
+
+ @param Pages The number of 4 KB pages to allocate.
+
+ @return
+ A pointer to the allocated buffer. The buffer returned is aligned on a 4KB boundary.
+ If Pages is 0, then NULL is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateRuntimePages (
+ IN UINTN Pages
+ )
+;
+
+/**
+ Allocates the number of 4KB pages specified by Pages of type EfiReservedMemoryType.
+
+ @param Pages The number of 4 KB pages to allocate.
+
+ @return
+ A pointer to the allocated buffer. The buffer returned is aligned on a 4KB boundary.
+ If Pages is 0, then NULL is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateReservedPages (
+ IN UINTN Pages
+ )
+;
+
+/**
+ Frees one or more 4KB pages that were previously allocated with
+ one of the page allocation functions in the Memory Allocation Library.
+
+ @param Buffer Pointer to the buffer of pages to free.
+ @param Pages The number of 4 KB pages to free.
+
+ None.
+
+**/
+VOID
+EFIAPI
+FreePages (
+ IN VOID *Buffer,
+ IN UINTN Pages
+ )
+;
+
+/**
+ Allocates the number of 4KB pages specified by Pages of type EfiBootServicesData with an alignment specified by Alignment.
+
+ @param Pages The number of 4 KB pages to allocate.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return
+ The allocated buffer is returned. If Pages is 0, then NULL is returned.
+ If there is not enough memory at the specified alignment remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedPages (
+ IN UINTN Pages,
+ IN UINTN Alignment
+ )
+;
+
+/**
+ Allocates the number of 4KB pages specified by Pages of type EfiRuntimeServicesData with an alignment specified by Alignment.
+
+ @param Pages The number of 4 KB pages to allocate.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return
+ The allocated buffer is returned. If Pages is 0, then NULL is returned.
+ If there is not enough memory at the specified alignment remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedRuntimePages (
+ IN UINTN Pages,
+ IN UINTN Alignment
+ )
+;
+
+/**
+ Allocates one or more 4KB pages of type EfiReservedMemoryType at a specified alignment.
+
+ @param Pages The number of 4 KB pages to allocate.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return
+ The allocated buffer is returned. If Pages is 0, then NULL is returned.
+ If there is not enough memory at the specified alignment remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedReservedPages (
+ IN UINTN Pages,
+ IN UINTN Alignment
+ )
+;
+
+/**
+ Frees one or more 4KB pages that were previously allocated with
+ one of the aligned page allocation functions in the Memory Allocation Library.
+
+ @param Buffer Pointer to the buffer of pages to free.
+ @param Pages The number of 4 KB pages to free.
+
+ None.
+
+**/
+VOID
+EFIAPI
+FreeAlignedPages (
+ IN VOID *Buffer,
+ IN UINTN Pages
+ )
+;
+
+/**
+ Allocates a buffer of type EfiBootServicesData.
+
+ @param AllocationSize The number of bytes to allocate.
+
+ @return
+ A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocatePool (
+ IN UINTN AllocationSize
+ )
+;
+
+/**
+ Allocates a buffer of type EfiRuntimeServicesData.
+
+ @param AllocationSize The number of bytes to allocate.
+
+ @return
+ A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateRuntimePool (
+ IN UINTN AllocationSize
+ )
+;
+
+/**
+ Allocates a buffer of type EfiReservedMemoryType.
+
+ @param AllocationSize The number of bytes to allocate.
+
+ @return
+ A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateReservedPool (
+ IN UINTN AllocationSize
+ )
+;
+
+/**
+ Allocates and zeros a buffer of type EfiBootServicesData.
+
+ @param AllocationSize The number of bytes to allocate and zero.
+
+ @return
+ A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateZeroPool (
+ IN UINTN AllocationSize
+ )
+;
+
+/**
+ Allocates and zeros a buffer of type EfiRuntimeServicesData.
+
+ @param AllocationSize The number of bytes to allocate and zero.
+
+ @return
+ A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateRuntimeZeroPool (
+ IN UINTN AllocationSize
+ )
+;
+
+/**
+ Allocates and zeros a buffer of type EfiReservedMemoryType.
+
+ @param AllocationSize The number of bytes to allocate and zero.
+
+ @return
+ A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateReservedZeroPool (
+ IN UINTN AllocationSize
+ )
+;
+
+/**
+ Copies a buffer to an allocated buffer of type EfiBootServicesData.
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Buffer The buffer to copy to the allocated buffer.
+
+ @return
+ A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateCopyPool (
+ IN UINTN AllocationSize,
+ IN CONST VOID *Buffer
+ )
+;
+
+/**
+ Copies a buffer to an allocated buffer of type EfiRuntimeServicesData.
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Buffer The buffer to copy to the allocated buffer.
+
+ @return
+ A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateRuntimeCopyPool (
+ IN UINTN AllocationSize,
+ IN CONST VOID *Buffer
+ )
+;
+
+/**
+ Copies a buffer to an allocated buffer of type EfiReservedMemoryType.
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Buffer The buffer to copy to the allocated buffer.
+
+ @return
+ A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateReservedCopyPool (
+ IN UINTN AllocationSize,
+ IN CONST VOID *Buffer
+ )
+;
+
+/**
+ Frees a buffer that was previously allocated with one of the pool allocation functions
+ in the Memory Allocation Library.
+
+ @param Buffer Pointer to the buffer to free.
+
+ None.
+
+**/
+VOID
+EFIAPI
+FreePool (
+ IN VOID *Buffer
+ )
+;
+
+/**
+ Allocates a buffer of type EfiBootServicesData at a specified alignment.
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return
+ A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedPool (
+ IN UINTN AllocationSize,
+ IN UINTN Alignment
+ )
+;
+
+/**
+ Allocates a buffer of type EfiRuntimeServicesData at a specified alignment.
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return
+ A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedRuntimePool (
+ IN UINTN AllocationSize,
+ IN UINTN Alignment
+ )
+;
+
+/**
+ Allocates a buffer of type EfiReservedMemoryType at a specified alignment.
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return
+ A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedReservedPool (
+ IN UINTN AllocationSize,
+ IN UINTN Alignment
+ )
+;
+
+/**
+ Allocates and zeros a buffer of type EfiBootServicesData at a specified alignment.
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return
+ A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedZeroPool (
+ IN UINTN AllocationSize,
+ IN UINTN Alignment
+ )
+;
+
+/**
+ Allocates and zeros a buffer of type EfiRuntimeServicesData at a specified alignment.
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return
+ A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedRuntimeZeroPool (
+ IN UINTN AllocationSize,
+ IN UINTN Alignment
+ )
+;
+
+/**
+ Allocates and zeros a buffer of type EfiReservedMemoryType at a specified alignment.
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return
+ A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedReservedZeroPool (
+ IN UINTN AllocationSize,
+ IN UINTN Alignment
+ )
+;
+
+/**
+ Copies a buffer to an allocated buffer of type EfiBootServicesData at a specified alignment.
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Buffer The buffer to copy to the allocated buffer.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return
+ A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedCopyPool (
+ IN UINTN AllocationSize,
+ IN CONST VOID *Buffer,
+ IN UINTN Alignment
+ )
+;
+
+/**
+ Copies a buffer to an allocated buffer of type EfiRuntimeServicesData at a specified alignment.
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Buffer The buffer to copy to the allocated buffer.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return
+ A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedRuntimeCopyPool (
+ IN UINTN AllocationSize,
+ IN CONST VOID *Buffer,
+ IN UINTN Alignment
+ )
+;
+
+/**
+ Copies a buffer to an allocated buffer of type EfiReservedMemoryType at a specified alignment.
+
+ @param AllocationSize The number of bytes to allocate.
+ @param Buffer The buffer to copy to the allocated buffer.
+ @param Alignment The requested alignment of the allocation. Must be a power of two.
+ If Alignment is zero, then byte alignment is used.
+
+ @return
+ A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.
+ If there is not enough memory remaining to satisfy the request, then NULL is returned.
+
+**/
+VOID *
+EFIAPI
+AllocateAlignedReservedCopyPool (
+ IN UINTN AllocationSize,
+ IN CONST VOID *Buffer,
+ IN UINTN Alignment
+ )
+;
+
+/**
+ Frees a buffer that was previously allocated with one of the aligned pool allocation functions
+ in the Memory Allocation Library.
+
+ @param Buffer Pointer to the buffer to free.
+
+ None.
+
+**/
+VOID
+EFIAPI
+FreeAlignedPool (
+ IN VOID *Buffer
+ )
+;
+
+#endif