[PATCH v13 0/2] MR841: ntoskrnl.exe: processor change callback stubs

[Etaash Mathamsetty (＠etaash.mathamsetty)]

required for mrac anti cheat

--
  v13: ntoskrnl.exe: Add KeDeregisterProcessorChangeCallback stub.

https://gitlab.winehq.org/wine/wine/-/merge_requests/841

[PATCH v13 1/2] ntoskrnl.exe: Add KeRegisterProcessorChangeCallback stub.

[Etaash Mathamsetty]

From: Etaash Mathamsetty

---
 dlls/ntoskrnl.exe/ntoskrnl.c        |  9 +++++++++
 dlls/ntoskrnl.exe/ntoskrnl.exe.spec |  1 +
 include/ddk/wdm.h                   | 16 ++++++++++++++++
 3 files changed, 26 insertions(+)

diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index 66c39996d59..c306d05e9fa 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -3653,6 +3653,15 @@ NTSTATUS WINAPI CmUnRegisterCallback(LARGE_INTEGER cookie)
     return STATUS_NOT_IMPLEMENTED;
 }

+/***********************************************************************
+ *           KeRegisterProcessorChangeCallback  (NTOSKRNL.EXE.@)
+ */
+PVOID WINAPI KeRegisterProcessorChangeCallback(PPROCESSOR_CALLBACK_FUNCTION function, PVOID context, ULONG flags)
+{
+    FIXME("(%p %p %lu) stub\n", function, context, flags);
+    return (PVOID)0xdeadbeef;
+}
+
 /***********************************************************************
  *           IoAttachDevice  (NTOSKRNL.EXE.@)
  */
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
index 0a484829ca3..97004c4f1fc 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
+++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
@@ -620,6 +620,7 @@
 @ stub KeReadStateTimer
 @ stub KeRegisterBugCheckCallback
 @ stub KeRegisterBugCheckReasonCallback
+@ stdcall KeRegisterProcessorChangeCallback(ptr ptr long)
 @ stub KeReleaseInterruptSpinLock
 @ stub KeReleaseMutant
 @ stdcall KeReleaseMutex(ptr long)
diff --git a/include/ddk/wdm.h b/include/ddk/wdm.h
index bd6ddbd67c5..9f9ae9872a7 100644
--- a/include/ddk/wdm.h
+++ b/include/ddk/wdm.h
@@ -1599,6 +1599,22 @@ typedef enum _WORK_QUEUE_TYPE {

typedef void (WINAPI *PIO_WORKITEM_ROUTINE)(PDEVICE_OBJECT,void*);

+typedef enum _KE_PROCESSOR_CHANGE_NOTIFY_STATE {
+  KeProcessorAddStartNotify = 0,
+  KeProcessorAddCompleteNotify,
+  KeProcessorAddFailureNotify
+} KE_PROCESSOR_CHANGE_NOTIFY_STATE;
+
+typedef struct _KE_PROCESSOR_CHANGE_NOTIFY_CONTEXT {
+  KE_PROCESSOR_CHANGE_NOTIFY_STATE State;
+  ULONG                            NtNumber;
+  NTSTATUS                         Status;
+  PROCESSOR_NUMBER                 ProcNumber;
+} KE_PROCESSOR_CHANGE_NOTIFY_CONTEXT, *PKE_PROCESSOR_CHANGE_NOTIFY_CONTEXT;
+
+typedef void (WINAPI PROCESSOR_CALLBACK_FUNCTION)(PVOID,PKE_PROCESSOR_CHANGE_NOTIFY_CONTEXT,NTSTATUS *);
+typedef PROCESSOR_CALLBACK_FUNCTION *PPROCESSOR_CALLBACK_FUNCTION;
+
 NTSTATUS WINAPI ObCloseHandle(IN HANDLE handle);

#ifdef NONAMELESSUNION

[PATCH v13 2/2] ntoskrnl.exe: Add KeDeregisterProcessorChangeCallback stub.

[Etaash Mathamsetty]

From: Etaash Mathamsetty

---
 dlls/ntoskrnl.exe/ntoskrnl.c        | 8 ++++++++
 dlls/ntoskrnl.exe/ntoskrnl.exe.spec | 1 +
 2 files changed, 9 insertions(+)

diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index c306d05e9fa..55fc5052cdb 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -3662,6 +3662,14 @@ PVOID WINAPI KeRegisterProcessorChangeCallback(PPROCESSOR_CALLBACK_FUNCTION func
     return (PVOID)0xdeadbeef;
 }

+/***********************************************************************
+ *           KeDeregisterProcessorChangeCallback  (NTOSKRNL.EXE.@)
+ */
+void WINAPI KeDeregisterProcessorChangeCallback(PVOID handle)
+{
+    FIXME("%p stub\n", handle);
+}
+
 /***********************************************************************
  *           IoAttachDevice  (NTOSKRNL.EXE.@)
  */
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
index 97004c4f1fc..d670afcd081 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
+++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
@@ -621,6 +621,7 @@
 @ stub KeRegisterBugCheckCallback
 @ stub KeRegisterBugCheckReasonCallback
 @ stdcall KeRegisterProcessorChangeCallback(ptr ptr long)
+@ stdcall KeDeregisterProcessorChangeCallback(ptr)
 @ stub KeReleaseInterruptSpinLock
 @ stub KeReleaseMutant
 @ stdcall KeReleaseMutex(ptr long)