162 lines
5.2 KiB
C
162 lines
5.2 KiB
C
/*++
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Copyright (c) 1999 Microsoft Corporation
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Module Name:
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debug.h
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Abstract:
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Prototypes and definitions for debugging.
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Author:
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Keisuke Tsuchida (KeisukeT)
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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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#ifndef __MYDEBUG__
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#define __MYDEBUG__
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//
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// Driver specific difinition
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//
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#define NAME_DRIVER "Scsican.sys: " // Prefix of output message. (Should be driver name)
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#define NAME_POOLTAG 'SITS' // Pool tag for this driver.
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#define MAXNUM_POOL 100 // Maximum number of pool. (# of alloc - # of free)
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#define MAX_DUMPSIZE 1024 // Maximum bytes to dump.
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//
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// Defines
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//
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#define REG_DEBUGLEVEL L"DebugTraceLevel"
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#define MAX_TEMPBUF 256
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// Bit mask for trace level and flags
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#define BITMASK_TRACE_LEVEL 0x0000000f
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#define BITMASK_TRACE_FLAG 0x00000ff0
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#define BITMASK_DEBUG_FLAG 0x0000f000
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// Basic trace level
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#define NO_TRACE 0 // Shows nothing.
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#define MIN_TRACE 1 // Shows only error or warning.
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#define MAX_TRACE 2 // Shows progress and status.
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#define ULTRA_TRACE 3 // Shows progress and status in retail.
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#define NEVER_TRACE 4 // Never show this unless specific bit is set.
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// Trace flag to enable specific message spew. (1=on)
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#define TRACE_FLAG_PROC 0x10 // Show message when entering process.(1=on)
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#define TRACE_FLAG_RET 0x20 // Show message when leaving process.(1=on)
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#define TRACE_FLAG_DUMP_READ 0x40 // Show user buffer when read.
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#define TRACE_FLAG_DUMP_WRITE 0x80 // Show user buffer when write.
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// Conbination of trace level and flag.
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#define TRACE_PROC_ENTER ULTRA_TRACE | TRACE_FLAG_PROC // Entering procedure.
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#define TRACE_PROC_LEAVE ULTRA_TRACE | TRACE_FLAG_RET // Leaving procedure.
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#define TRACE_CRITICAL MIN_TRACE // Critical error. Spew always.
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#define TRACE_ERROR MIN_TRACE // Error.
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#define TRACE_WARNING MIN_TRACE // Possible wrong behavior.
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//#define TRACE_DUMP_DATA NEVER_TRACE | TRACE_FLAG_DUMP // Dump transaction data.
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#define TRACE_DEVICE_DATA MAX_TRACE // Show device data.
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#define TRACE_STATUS MAX_TRACE // Show status.
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// Debug flag to enable/disable DEBUG_BREAKPOINT()
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#define DEBUG_FLAG_DISABLE 0x1000 // Disable DEBUG_BREAK. (1=disable)
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#define DEBUG_PROC_BREAK 0x2000 // Stop at the beginning of each procedure.
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//
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// Macro
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//
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#if DBG
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//
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// Macro for debug output
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//
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// Note: If trace level is higher than DebugTraceLevel or specific bit is set,
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// debug message will be shown.
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//
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extern ULONG DebugTraceLevel;
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#define DebugTrace(_t_, _x_) { \
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if ( ((DebugTraceLevel & BITMASK_TRACE_LEVEL) >= (_t_ & BITMASK_TRACE_LEVEL )) || \
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(DebugTraceLevel & BITMASK_TRACE_FLAG & (_t_)) ) { \
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DbgPrint(NAME_DRIVER); \
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DbgPrint _x_ ; \
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} \
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if( (DebugTraceLevel & DEBUG_PROC_BREAK & (_t_)) && \
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(DebugTraceLevel & TRACE_FLAG_PROC) ) { \
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DEBUG_BREAKPOINT(); \
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} \
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}
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//
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// Macro for BreakPoint
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//
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#define DEBUG_BREAKPOINT() { \
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if (DebugTraceLevel & DEBUG_FLAG_DISABLE) { \
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DbgPrint(NAME_DRIVER); \
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DbgPrint("*** Hit DEBUG_BREAKPOINT ***\n"); \
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} else { \
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DbgBreakPoint(); \
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} \
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}
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#else // DBG
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#define DEBUG_BREAKPOINT()
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#define DebugTrace(_t_, _x_)
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#endif // DBG
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//
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// Prototypes
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//
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#ifdef ORIGINAL_POOLTRACK
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PVOID
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MyAllocatePool(
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IN POOL_TYPE PoolType,
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IN ULONG ulNumberOfBytes
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);
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VOID
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MyFreePool(
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IN PVOID pvAddress
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);
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#else // ORIGINAL_POOLTRACK
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#define MyAllocatePool(a, b) ExAllocatePoolWithTag(a, b, NAME_POOLTAG)
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#define MyFreePool(a) ExFreePool(a)
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#endif // ORIGINAL_POOLTRACK
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VOID
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MyDebugInit(
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IN PUNICODE_STRING pRegistryPath
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);
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VOID
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MyDumpMemory(
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PUCHAR pDumpBuffer,
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ULONG dwSize,
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BOOLEAN bRead
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);
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#endif // __MYDEBUG__
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