PoolManager.h

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#pragma once
 
//                   Definition                 //
 
#define MaximumRequestsQueueDepth   300
#define NumberOfPreAllocatedBuffers 10
 
//                   Structures                 //
 
typedef struct _POOL_TABLE
{
    UINT64                    Address; // Should be the start of the list as we compute it as the start address
    SIZE_T                    Size;
    POOL_ALLOCATION_INTENTION Intention;
    LIST_ENTRY                PoolsList;
    BOOLEAN                   IsBusy;
    BOOLEAN                   ShouldBeFreed;
    BOOLEAN                   AlreadyFreed;
 
} POOL_TABLE, *PPOOL_TABLE;
 
typedef struct _REQUEST_NEW_ALLOCATION
{
    SIZE_T                    Size;
    UINT32                    Count;
    POOL_ALLOCATION_INTENTION Intention;
 
} REQUEST_NEW_ALLOCATION, *PREQUEST_NEW_ALLOCATION;
 
//                   Variables                  //
 
REQUEST_NEW_ALLOCATION * g_RequestNewAllocation;
 
volatile LONG LockForRequestAllocation;
 
volatile LONG LockForReadingPool;
 
BOOLEAN g_IsNewRequestForAllocationReceived;
 
BOOLEAN g_IsNewRequestForDeAllocation;
 
LIST_ENTRY g_ListOfAllocatedPoolsHead;
 
//                   Functions                  //
 
// ----------------------------------------------------------------------------
// Private Interfaces
//
 
static BOOLEAN
PlmgrAllocateRequestNewAllocation(SIZE_T NumberOfBytes);
 
static VOID PlmgrFreeRequestNewAllocation(VOID);
 
// ----------------------------------------------------------------------------
// Public Interfaces
//
 
BOOLEAN
PoolManagerInitialize();
 
VOID
PoolManagerUninitialize();