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487 lines
16 KiB
487 lines
16 KiB
/*
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§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§
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(C) Copyright 1998
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All rights reserved.
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§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§
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Portions of this software are:
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(C) Copyright 1995 TriplePoint, Inc. -- http://www.TriplePoint.com
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License to use this software is granted under the same terms
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outlined in the Microsoft Windows Device Driver Development Kit.
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(C) Copyright 1992 Microsoft Corp. -- http://www.Microsoft.com
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License to use this software is granted under the terms outlined in
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the Microsoft Windows Device Driver Development Kit.
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§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§
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@doc INTERNAL TpiMem TpiMem_c
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@module TpiMem.c |
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This module implements the interface to the memory allocation wrappers.
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@head3 Contents |
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@index class,mfunc,func,msg,mdata,struct,enum | TpiMem_c
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@end
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§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§
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*/
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#define __FILEID__ TPIMEMORY_OBJECT_TYPE
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// Unique file ID for error logging
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#include "TpiMem.h"
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#include "TpiDebug.h"
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DBG_STATIC ULONG g_MemoryAllocated = 0;
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DBG_STATIC ULONG g_MemoryFreed = 0;
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DBG_STATIC ULONG g_SharedMemoryAllocated = 0;
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DBG_STATIC ULONG g_SharedMemoryFreed = 0;
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/* @doc INTERNAL TpiMem TpiMem_c TpiAllocateMemory
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§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§
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@func
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<f TpiAllocateMemory> provides a wrapper interface for standard memory
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allocation via <f NdisAllocateMemory>. This interface is used to help
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debug memory allocation problems. It can be used to keep track of how
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much memory has been allocated and freed by the Miniport, and can report
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the usage counters via the debugger.
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@comm
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This routine uses zero for the <p MemoryFlags> parameter when calling
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<f NdisAllocateMemory> (i.e. non-paged system memory). Do not use this
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routine to allocate continuous or non-cached memory.
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@rdesc
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<f TpiAllocateMemory> returns zero if it is successful.<nl>
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Otherwise, a non-zero return value indicates an error condition.
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*/
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NDIS_STATUS TpiAllocateMemory(
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OUT PVOID * ppObject, // @parm
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// Points to a caller-defined memory location to which this function
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// writes the virtual address of the allocated memory. If memory of
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// the specified type is not available, the pointer value is NULL.
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IN ULONG dwSize, // @parm
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// Specifies the size, in bytes, of the requested memory.
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IN ULONG dwFileID, // @parm
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// __FILEID__ of the caller.
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IN LPSTR szFileName, // @parm
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// File name of the caller.
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IN ULONG dwLineNumber, // @parm
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// Line number of the file where called from.
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IN NDIS_HANDLE MiniportAdapterHandle // @parm
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// Specifies a handle identifying the miniport's NIC, which is assigned
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// by the NDIS library.
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)
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{
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DBG_FUNC("TpiAllocateMemory")
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NDIS_STATUS Status;
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// Holds the status result returned from an NDIS function call.
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ASSERT(ppObject);
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ASSERT(dwSize);
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ASSERT(szFileName);
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DBG_ENTER(DbgInfo);
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DBG_FILTER(DbgInfo, DBG_MEMORY_ON,
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("\n"
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"\t|ppObject=0x%X\n"
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"\t|dwSize=%d\n"
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"\t|dwFileID=0x%X\n"
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"\t|szFileName=%s\n"
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"\t|dwLineNumber=%d\n",
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ppObject,
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dwSize,
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dwFileID,
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szFileName,
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dwLineNumber
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));
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/*
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// Allocate memory from NDIS.
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*/
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#if !defined(NDIS50_MINIPORT)
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Status = NdisAllocateMemory(ppObject, dwSize, 0, g_HighestAcceptableAddress);
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#else // NDIS50_MINIPORT
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Status = NdisAllocateMemoryWithTag(ppObject, dwSize, dwFileID);
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#endif // NDIS50_MINIPORT
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if (Status == NDIS_STATUS_SUCCESS)
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{
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ASSERT(*ppObject);
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NdisZeroMemory(*ppObject, dwSize);
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g_MemoryAllocated += dwSize;
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DBG_FILTER(DbgInfo, DBG_MEMORY_ON,
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("Memory Allocated=%d Freed=%d -- Ptr=0x%X\n",
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g_MemoryAllocated, g_MemoryFreed, *ppObject));
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}
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else
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{
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DBG_ERROR(DbgInfo,("NdisAllocateMemory(Size=%d, File=%s, Line=%d) failed (Status=%X)\n",
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dwSize, szFileName, dwLineNumber, Status));
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/*
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// Log error message and return.
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*/
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NdisWriteErrorLogEntry(
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MiniportAdapterHandle,
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NDIS_ERROR_CODE_OUT_OF_RESOURCES,
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3,
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Status,
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dwFileID,
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dwLineNumber
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);
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*ppObject = NULL;
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}
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DBG_RETURN(DbgInfo, Status);
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return (Status);
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}
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/* @doc INTERNAL TpiMem TpiMem_c TpiFreeMemory
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§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§
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@func
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<f TpiFreeMemory> provides a wrapper interface for <f NdisFreeMemory>.
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This interface is used to help debug memory allocation problems. It can
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be used to keep track of how much memory has been allocated and freed by
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the Miniport, and can report the usage counters via the debugger.
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<f TpiFreeMemory> provides a wrapper interface for standard memory free
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via <f NdisFreeMemory>. This interface is used to help debug memory
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allocation problems. It can be used to keep track of how much memory
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has been allocated and freed by the Miniport, and can report the usage
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counters via the debugger.
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@comm
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This routine uses zero for the <p MemoryFlags> parameter when calling
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<f NdisFreeMemory> (i.e. non-paged system memory). Do no use this
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routine to free continuous or non-cached memory.
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*/
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void TpiFreeMemory(
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IN OUT PVOID * ppObject, // @parm
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// Points to a caller-defined memory location which this function
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// passes to <f NdisFreeMemory> and then writes NULL to.
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IN ULONG dwSize, // @parm
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// Specifies the size, in bytes, of the requested memory.
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IN ULONG dwFileID, // @parm
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// __FILEID__ of the caller.
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IN LPSTR szFileName, // @parm
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// File name of the caller.
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IN ULONG dwLineNumber // @parm
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// Line number of the file where called from.
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)
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{
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DBG_FUNC("TpiFreeMemory")
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ASSERT(dwSize);
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ASSERT(szFileName);
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DBG_ENTER(DbgInfo);
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DBG_FILTER(DbgInfo, DBG_MEMORY_ON,
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("\n"
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"\t|ppObject=0x%X\n"
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"\t|dwSize=%d\n"
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"\t|dwFileID=0x%X\n"
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"\t|szFileName=%s\n"
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"\t|dwLineNumber=%d\n",
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ppObject,
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dwSize,
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dwFileID,
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szFileName,
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dwLineNumber
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));
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if (ppObject && *ppObject)
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{
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/*
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// Release memory to NDIS.
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*/
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NdisFreeMemory(*ppObject, dwSize, 0);
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g_MemoryFreed += dwSize;
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DBG_FILTER(DbgInfo, DBG_MEMORY_ON,
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("Memory Allocated=%d Freed=%d -- Ptr=0x%X\n",
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g_MemoryAllocated, g_MemoryFreed, *ppObject));
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*ppObject = NULL;
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}
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else
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{
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DBG_ERROR(DbgInfo,("NULL POINTER (Size=%d, File=%s, Line=%d)\n",
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dwSize, szFileName, dwLineNumber));
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}
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DBG_LEAVE(DbgInfo);
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}
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/* @doc INTERNAL TpiMem TpiMem_c TpiAllocateSharedMemory
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§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§
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@func
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<f TpiAllocateSharedMemory> provides a wrapper interface for shared memory
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allocation via <f NdisMAllocateSharedMemory>. This interface is used to help
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debug memory allocation problems. It can be used to keep track of how
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much memory has been allocated and freed by the Miniport, and can report
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the usage counters via the debugger.
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@comm
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This routine uses zero for the <p MemoryFlags> parameter when calling
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<f NdisMAllocateSharedMemory> (i.e. non-paged system memory). Do not
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use this routine to allocate continuous or non-cached memory.
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@rdesc
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<f TpiAllocateSharedMemory> returns zero if it is successful.<nl>
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Otherwise, a non-zero return value indicates an error condition.
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*/
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NDIS_STATUS TpiAllocateSharedMemory(
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IN NDIS_HANDLE MiniportAdapterHandle, // @parm
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// Specifies a handle identifying the miniport's NIC, which is assigned
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// by the NDIS library.
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IN ULONG dwSize, // @parm
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// Specifies the size, in bytes, of the requested memory.
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IN BOOLEAN bCached, // @parm
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// Specifies whether the requested memory is cached or not.
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OUT PVOID * pVirtualAddress, // @parm
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// Points to a caller-defined memory location to which this function
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// writes the virtual address of the allocated memory. If memory of
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// the specified type is not available, the pointer value is NULL.
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OUT NDIS_PHYSICAL_ADDRESS * pPhysicalAddress, // @parm
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// Points to a caller-defined memory location to which this function
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// writes the physical address of the allocated memory. If memory of
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// the specified type is not available, the physical address is zero.
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IN ULONG dwFileID, // @parm
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// __FILEID__ of the caller.
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IN LPSTR szFileName, // @parm
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// File name of the caller.
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IN ULONG dwLineNumber // @parm
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// Line number of the file where called from.
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)
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{
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DBG_FUNC("TpiAllocateSharedMemory")
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NDIS_STATUS Status;
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// Holds the status result returned from an NDIS function call.
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ASSERT(pVirtualAddress);
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ASSERT(pPhysicalAddress);
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ASSERT(dwSize);
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ASSERT(szFileName);
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DBG_ENTER(DbgInfo);
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DBG_FILTER(DbgInfo, DBG_MEMORY_ON,
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("\n"
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"\t|pVirtualAddress=0x%X\n"
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"\t|dwSize=%d\n"
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"\t|bCached=%d\n"
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"\t|dwFileID=0x%X\n"
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"\t|szFileName=%s\n"
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"\t|dwLineNumber=%d\n",
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pVirtualAddress,
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dwSize,
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bCached,
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dwFileID,
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szFileName,
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dwLineNumber
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));
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/*
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// Allocate memory from NDIS.
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*/
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NdisMAllocateSharedMemory(MiniportAdapterHandle,
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dwSize,
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bCached,
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pVirtualAddress,
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pPhysicalAddress
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);
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if (*pVirtualAddress)
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{
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Status = NDIS_STATUS_SUCCESS;
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NdisZeroMemory(*pVirtualAddress, dwSize);
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g_SharedMemoryAllocated += dwSize;
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DBG_FILTER(DbgInfo, DBG_MEMORY_ON,
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("SharedMemory Allocated=%d Freed=%d -- Ptr=0x%X @0x%X\n",
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g_SharedMemoryAllocated, g_SharedMemoryFreed,
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*pVirtualAddress, pPhysicalAddress->LowPart));
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}
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else
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{
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Status = NDIS_STATUS_RESOURCES;
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DBG_ERROR(DbgInfo,("NdisAllocateSharedMemory(Size=%d, File=%s, Line=%d) failed (Status=%X)\n",
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dwSize, szFileName, dwLineNumber, Status));
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/*
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// Log error message and return.
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*/
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NdisWriteErrorLogEntry(
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MiniportAdapterHandle,
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NDIS_ERROR_CODE_OUT_OF_RESOURCES,
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3,
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Status,
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dwFileID,
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dwLineNumber
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);
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*pVirtualAddress = NULL;
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pPhysicalAddress->LowPart = 0;
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pPhysicalAddress->HighPart = 0;
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}
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DBG_RETURN(DbgInfo, Status);
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return (Status);
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}
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/* @doc INTERNAL TpiMem TpiMem_c TpiFreeSharedMemory
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§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§
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@func
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<f TpiFreeSharedMemory> provides a wrapper interface for <f NdisFreeSharedMemory>.
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This interface is used to help debug memory allocation problems. It can
|
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be used to keep track of how much memory has been allocated and freed by
|
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the Miniport, and can report the usage counters via the debugger.
|
|
|
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<f TpiFreeSharedMemory> provides a wrapper interface for standard memory free
|
|
via <f NdisFreeSharedMemory>. This interface is used to help debug memory
|
|
allocation problems. It can be used to keep track of how much memory
|
|
has been allocated and freed by the Miniport, and can report the usage
|
|
counters via the debugger.
|
|
|
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@comm
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|
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This routine uses zero for the <p MemoryFlags> parameter when calling
|
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<f NdisFreeSharedMemory> (i.e. non-paged system memory). Do no use this
|
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routine to free continuous or non-cached memory.
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|
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*/
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|
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void TpiFreeSharedMemory(
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IN NDIS_HANDLE MiniportAdapterHandle, // @parm
|
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// Specifies a handle identifying the miniport's NIC, which is assigned
|
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// by the NDIS library.
|
|
|
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IN ULONG dwSize, // @parm
|
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// Specifies the size, in bytes, of the requested memory.
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|
|
|
IN BOOLEAN bCached, // @parm
|
|
// Specifies whether the requested memory is cached or not.
|
|
|
|
IN PVOID * pVirtualAddress, // @parm
|
|
// Points to a caller-defined memory location to which this function
|
|
// writes the virtual address of the allocated memory. If memory of
|
|
// the specified type is not available, the pointer value is NULL.
|
|
|
|
IN NDIS_PHYSICAL_ADDRESS * pPhysicalAddress, // @parm
|
|
// Points to a caller-defined memory location to which this function
|
|
// writes the physical address of the allocated memory. If memory of
|
|
// the specified type is not available, the physical address is zero.
|
|
|
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IN ULONG dwFileID, // @parm
|
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// __FILEID__ of the caller.
|
|
|
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IN LPSTR szFileName, // @parm
|
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// File name of the caller.
|
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|
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IN ULONG dwLineNumber // @parm
|
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// Line number of the file where called from.
|
|
)
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{
|
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DBG_FUNC("TpiFreeSharedMemory")
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|
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ASSERT(pVirtualAddress);
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ASSERT(pPhysicalAddress);
|
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ASSERT(dwSize);
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ASSERT(szFileName);
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DBG_ENTER(DbgInfo);
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DBG_FILTER(DbgInfo, DBG_MEMORY_ON,
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("\n"
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"\t|pVirtualAddress=0x%X\n"
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"\t|dwSize=%d\n"
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"\t|bCached=%d\n"
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"\t|dwFileID=0x%X\n"
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"\t|szFileName=%s\n"
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"\t|dwLineNumber=%d\n",
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pVirtualAddress,
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dwSize,
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bCached,
|
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dwFileID,
|
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szFileName,
|
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dwLineNumber
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));
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|
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if (pVirtualAddress && *pVirtualAddress)
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{
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/*
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|
// Release memory to NDIS.
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|
*/
|
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NdisMFreeSharedMemory(MiniportAdapterHandle,
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dwSize,
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bCached,
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*pVirtualAddress,
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*pPhysicalAddress
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);
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g_SharedMemoryFreed += dwSize;
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|
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DBG_FILTER(DbgInfo, DBG_MEMORY_ON,
|
|
("SharedMemory Allocated=%d Freed=%d -- Ptr=0x%X @0x%X\n",
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g_SharedMemoryAllocated, g_SharedMemoryFreed,
|
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*pVirtualAddress, pPhysicalAddress->LowPart));
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*pVirtualAddress = NULL;
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pPhysicalAddress->LowPart = 0;
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pPhysicalAddress->HighPart = 0;
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}
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else
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{
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DBG_ERROR(DbgInfo,("NULL POINTER (Size=%d, File=%s, Line=%d)\n",
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dwSize, szFileName, dwLineNumber));
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}
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DBG_LEAVE(DbgInfo);
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}
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