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The source code is licensed under MS-PL license, taken from Windows Driver Samples repository (https://github.com/microsoft/Windows-driver-samples/tree/master/storage/class/classpnp/) Synched with commit 88541f70c4273ecd30c8c7c72135bc038a00fd88 The driver is written for Windows 8+, so we compile it with ntoskrnl_vista statically linked and with NTDDI_WIN8 defined CORE-17129
133 lines
3.7 KiB
C
133 lines
3.7 KiB
C
/*++
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Copyright (C) Microsoft Corporation, 1991 - 1999
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Module Name:
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debug.h
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Abstract:
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Author:
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Environment:
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kernel mode only
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Notes:
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Revision History:
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--*/
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#define DBGGETIOCTLSTR(_ioctl) DbgGetIoctlStr(_ioctl)
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#define DBGGETSCSIOPSTR(_pSrb) DbgGetScsiOpStr(_pSrb)
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#define DBGGETSRBSTATUSSTR(_pSrb) DbgGetSrbStatusStr(_pSrb)
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#define DBGGETSENSECODESTR(_pSrb) DbgGetSenseCodeStr(_pSrb)
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#define DBGGETADSENSECODESTR(_pSrb) DbgGetAdditionalSenseCodeStr(_pSrb)
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#define DBGGETADSENSEQUALIFIERSTR(_pSrb) DbgGetAdditionalSenseCodeQualifierStr(_pSrb)
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char *DbgGetIoctlStr(ULONG ioctl);
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char *DbgGetScsiOpStr(PSTORAGE_REQUEST_BLOCK_HEADER Srb);
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char *DbgGetSrbStatusStr(PSTORAGE_REQUEST_BLOCK_HEADER Srb);
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char *DbgGetSenseCodeStr(PSTORAGE_REQUEST_BLOCK_HEADER Srb);
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char *DbgGetAdditionalSenseCodeStr(PSTORAGE_REQUEST_BLOCK_HEADER Srb);
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char *DbgGetAdditionalSenseCodeQualifierStr(PSTORAGE_REQUEST_BLOCK_HEADER Srb);
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#if DBG
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typedef struct _CLASSPNP_GLOBALS {
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//
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// whether or not to NT_ASSERT for lost irps
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//
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ULONG BreakOnLostIrps;
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ULONG SecondsToWaitForIrps;
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//
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// use a buffered debug print to help
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// catch timing issues that do not
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// reproduce with std debugprints enabled
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//
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ULONG UseBufferedDebugPrint;
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ULONG UseDelayedRetry;
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//
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// the next four are the buffered printing support
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// (currently unimplemented) and require the spinlock
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// to use
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//
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ULONG Index; // index into buffer
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KSPIN_LOCK SpinLock;
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PUCHAR Buffer; // requires spinlock to access
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ULONG NumberOfBuffers; // number of buffers available
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SIZE_T EachBufferSize; // size of each buffer
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//
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// interlocked variables to initialize
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// this data only once
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//
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LONG Initializing;
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LONG Initialized;
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} CLASSPNP_GLOBALS, *PCLASSPNP_GLOBALS;
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//
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// Define a structure used to capture stack traces when we
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// get an access request and the disks are powered off. This
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// will help us determine who's causing disk respins.
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//
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//
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// How many stack frames to capture each time?
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//
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#define DISK_SPINUP_BACKTRACE_LENGTH (0x18)
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//
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// How many stack traces can we capture before
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// out buffer wraps? (needs to be power of 2)
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//
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#define NUMBER_OF_DISK_SPINUP_TRACES (0x10)
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typedef struct _DISK_SPINUP_TRACES {
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LARGE_INTEGER TimeStamp; // timestamp of the spinup event.
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PVOID StackTrace[DISK_SPINUP_BACKTRACE_LENGTH]; // Holds stack trace
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} DISK_SPINUP_TRACES, *PDISK_SPINUP_TRACES;
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#define DBGCHECKRETURNEDPKT(_pkt) DbgCheckReturnedPkt(_pkt)
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#define DBGLOGSENDPACKET(_pkt) DbgLogSendPacket(_pkt)
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#define DBGLOGRETURNPACKET(_pkt) DbgLogReturnPacket(_pkt)
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#define DBGLOGFLUSHINFO(_fdoData, _isIO, _isFUA, _isFlush) DbgLogFlushInfo(_fdoData, _isIO, _isFUA, _isFlush)
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VOID ClasspInitializeDebugGlobals();
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VOID DbgCheckReturnedPkt(TRANSFER_PACKET *Pkt);
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VOID DbgLogSendPacket(TRANSFER_PACKET *Pkt);
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VOID DbgLogReturnPacket(TRANSFER_PACKET *Pkt);
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VOID DbgLogFlushInfo(PCLASS_PRIVATE_FDO_DATA FdoData, BOOLEAN IsIO, BOOLEAN IsFUA, BOOLEAN IsFlush);
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VOID SnapDiskStartup(VOID);
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extern CLASSPNP_GLOBALS ClasspnpGlobals;
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extern LONG ClassDebug;
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extern BOOLEAN DebugTrapOnWarn;
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#else
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#define ClasspInitializeDebugGlobals()
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#define SnapDiskStartup()
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#define DBGCHECKRETURNEDPKT(_pkt)
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#define DBGLOGSENDPACKET(_pkt)
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#define DBGLOGRETURNPACKET(_pkt)
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#define DBGLOGFLUSHINFO(_fdoData, _isIO, _isFUA, _isFlush)
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#endif
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