fxifrkm.h File Reference

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Macros
#define	FX_IFR_MAX_BUFFER_SIZE   (0x10000)
#define	FX_IFR_AVG_BUFFER_SIZE   (5 * PAGE_SIZE)

Enumerations
enum	FxIFRValues {   FxIFRMinLogPages = 1 , FxIFRMaxLogPages = FX_IFR_MAX_BUFFER_SIZE/PAGE_SIZE , FxIFRAvgLogPages = FX_IFR_AVG_BUFFER_SIZE/PAGE_SIZE , FxIFRMinLogSize = FxIFRMinLogPages * PAGE_SIZE ,   FxIFRMaxLogSize = FxIFRMaxLogPages * PAGE_SIZE , FxIFRAvgLogSize = FxIFRAvgLogPages * PAGE_SIZE , FxIFRMaxMessageSize = 256 , FxIFRRecordSignature = WDF_IFR_RECORD_SIGNATURE }

Functions
	C_ASSERT (FxIFRMaxLogSize<=0x10000)
	C_ASSERT (FxIFRMinLogSize >=PAGE_SIZE)
	C_ASSERT (FxIFRMaxLogSize >=FxIFRAvgLogSize &&FxIFRAvgLogSize >=FxIFRMinLogSize)
	C_ASSERT (FxIFRMaxLogPages >=FxIFRAvgLogPages &&FxIFRAvgLogPages >=FxIFRMinLogPages)
__inline VOID	FxVerifyLogHeader (__in PFX_DRIVER_GLOBALS FxDriverGlobals, __in PWDF_IFR_HEADER Header)

Macro Definition Documentation

FX_IFR_AVG_BUFFER_SIZE

#define FX_IFR_AVG_BUFFER_SIZE   (5 * PAGE_SIZE)

Definition at line 12 of file fxifrkm.h.

FX_IFR_MAX_BUFFER_SIZE

#define FX_IFR_MAX_BUFFER_SIZE   (0x10000)

Definition at line 7 of file fxifrkm.h.

Enumeration Type Documentation

FxIFRValues

enum FxIFRValues

Enumerator
FxIFRMinLogPages
FxIFRMaxLogPages
FxIFRAvgLogPages
FxIFRMinLogSize
FxIFRMaxLogSize
FxIFRAvgLogSize
FxIFRMaxMessageSize
FxIFRRecordSignature

Definition at line 18 of file fxifrkm.h.

                 {
    FxIFRMinLogPages    = 1,
    FxIFRMaxLogPages    = FX_IFR_MAX_BUFFER_SIZE/PAGE_SIZE,
    FxIFRAvgLogPages    = FX_IFR_AVG_BUFFER_SIZE/PAGE_SIZE,
 
    FxIFRMinLogSize     = FxIFRMinLogPages * PAGE_SIZE,
    FxIFRMaxLogSize     = FxIFRMaxLogPages * PAGE_SIZE,
    FxIFRAvgLogSize     = FxIFRAvgLogPages * PAGE_SIZE,
 
    FxIFRMaxMessageSize = 256,
 
    FxIFRRecordSignature = WDF_IFR_RECORD_SIGNATURE,
};

Function Documentation

C_ASSERT() [1/4]

C_ASSERT

(

FxIFRMaxLogPages >=FxIFRAvgLogPages &&FxIFRAvgLogPages >=

FxIFRMinLogPages

)

C_ASSERT() [2/4]

C_ASSERT

(

FxIFRMaxLogSize >=FxIFRAvgLogSize &&FxIFRAvgLogSize >=

FxIFRMinLogSize

)

C_ASSERT() [3/4]

C_ASSERT

(

FxIFRMaxLogSize<=

0x10000

)

C_ASSERT() [4/4]

C_ASSERT

(

FxIFRMinLogSize >=

PAGE_SIZE

)

FxVerifyLogHeader()

__inline VOID FxVerifyLogHeader	(	__in PFX_DRIVER_GLOBALS	FxDriverGlobals,
		__in PWDF_IFR_HEADER	Header
	)

Definition at line 49 of file fxifrkm.h.

{
    WDFCASSERT(WDF_IFR_HEADER_NAME_LEN == WDF_DRIVER_GLOBALS_NAME_LEN);
 
    if (FxDriverGlobals->FxVerifierOn
        &&
        (strncmp(Header->DriverName, FxDriverGlobals->Public.DriverName,
                 WDF_IFR_HEADER_NAME_LEN) != 0
         ||
         FxIsEqualGuid((LPGUID)&(Header->Guid), (LPGUID)&WdfTraceGuid) == FALSE
         ||
         Header->Base != (PUCHAR) &Header[1]
         ||
         Header->Offset.u.s.Current > Header->Size
         ||
         Header->Offset.u.s.Previous > Header->Size
         ||
         Header->Size >= FxIFRMaxLogSize)) // size doesn't include header.
    {
        FxVerifierDbgBreakPoint(FxDriverGlobals);
    }
}

Referenced by FxIFR().