Initial publish

1 files changed, 132 insertions, 0 deletions

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