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KBUGCHECK_CALLBACK_REASON enumeration (wdm.h)

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The KBUGCHECK_CALLBACK_REASON enumeration type specifies the situations in which a bug-check callback executes.

Syntax

typedef enum _KBUGCHECK_CALLBACK_REASON {
  KbCallbackInvalid,
  KbCallbackReserved1,
  KbCallbackSecondaryDumpData,
  KbCallbackDumpIo,
  KbCallbackAddPages,
  KbCallbackSecondaryMultiPartDumpData,
  KbCallbackRemovePages,
  KbCallbackTriageDumpData,
  KbCallbackReserved2
} KBUGCHECK_CALLBACK_REASON;

Constants

 
KbCallbackInvalid
Reserved for system use. Do not use.
KbCallbackReserved1
Reserved for system use. Do not use.
KbCallbackSecondaryDumpData
The callback function provides data to append to the secondary data area of the crash dump file when the system issues a bug check. For more information about this type of callback, see Implementing a KbCallbackSecondaryDumpData Callback Routine.
KbCallbackDumpIo
Specifies that the system should call the callback function each time it writes data to a crash dump file. Drivers for devices that monitor the system state can use this type of callback. For more information about this type of callback, see Implementing a KbCallbackDumpIo Callback Routine.
KbCallbackAddPages
The callback function adds one or more pages of driver-specific data to the primary section of the crash dump file when the operating system issues a bug check. For more information about this type of callback, see Implementing a KbCallbackAddPages Callback Routine.
KbCallbackSecondaryMultiPartDumpData
Specifies that the callback is executed to get the amount of data the driver wants to store in the dump file. This enumeration value is supported in Windows Server 2008 and later versions of Windows.
KbCallbackRemovePages
The callback function removes one or more pages of driver-supplied data from the crash dump file. For more information, see KBUGCHECK_REMOVE_PAGES.
KbCallbackTriageDumpData
Specifies that the callback is executed to add virtual memory ranges the driver wants to preserve in the carved minidump file. This enumeration value is supported starting in Windows 10, version 1809 and Windows Server 2019. For more information about this type of callback, see Implementing a KbCallbackTriageDumpData Callback Routine.
KbCallbackReserved2
Reserved for system use. Do not use.

Remarks

A driver uses this enumeration to specify the type of KBUGCHECK_REASON_CALLBACK_ROUTINE callback routine to register when it calls the KeRegisterBugCheckReasonCallback function.

For information about how this enumeration is used, see Writing a Bug Check Callback Routine.

Requirements

Requirement Value
Minimum supported client Supported on Windows XP with Service Pack 1 (SP1), Windows Server 2003, and later versions of the Windows operating system.
Header wdm.h (include Wdm.h, Ntddk.h, Ntifs.h)

See also

Writing a Bug Check Callback Routine

KBUGCHECK_REASON_CALLBACK_RECORD

KeRegisterBugCheckReasonCallback