[PATCH v10 0/2] MR1924: ntoskrnl.exe/tests: Add KeInitializeDpc tests.

[Etaash Mathamsetty (＠etaash.mathamsetty)]

--
  v10: ntoskrnl.exe/tests: Add KeInitializeDpc tests.
       include: Update definition of KDPC.

https://gitlab.winehq.org/wine/wine/-/merge_requests/1924

[PATCH v10 1/2] include: Update definition of KDPC.

[Etaash Mathamsetty]

From: Etaash Mathamsetty

---
 include/ddk/wdm.h | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/include/ddk/wdm.h b/include/ddk/wdm.h
index 45503f48a4e..0be909ae516 100644
--- a/include/ddk/wdm.h
+++ b/include/ddk/wdm.h
@@ -83,15 +83,21 @@ typedef struct _KSEMAPHORE {
 } KSEMAPHORE, *PKSEMAPHORE, *PRKSEMAPHORE;

typedef struct _KDPC {
-  CSHORT  Type;
-  UCHAR  Number;
-  UCHAR  Importance;
-  LIST_ENTRY  DpcListEntry;
+  union {
+    ULONG TargetInfoAsUlong;
+    struct {
+      UCHAR  Type;
+      UCHAR  Importance;
+      volatile USHORT  Number;
+    } DUMMYSTRUCTNAME;
+  } DUMMYUNIONNAME;
+  SINGLE_LIST_ENTRY  DpcListEntry;
+  KAFFINITY  ProcessorHistory;
   PKDEFERRED_ROUTINE  DeferredRoutine;
   PVOID  DeferredContext;
   PVOID  SystemArgument1;
   PVOID  SystemArgument2;
-  PULONG_PTR  Lock;
+  volatile PVOID  DpcData;
 } KDPC, *PKDPC, *RESTRICTED_POINTER PRKDPC;

typedef enum _KDPC_IMPORTANCE {

[PATCH v10 2/2] ntoskrnl.exe/tests: Add KeInitializeDpc tests.

[Etaash Mathamsetty]

From: Etaash Mathamsetty

---
 dlls/ntoskrnl.exe/tests/driver.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/dlls/ntoskrnl.exe/tests/driver.c b/dlls/ntoskrnl.exe/tests/driver.c
index bd388a6ec9e..91b0c2acaee 100644
--- a/dlls/ntoskrnl.exe/tests/driver.c
+++ b/dlls/ntoskrnl.exe/tests/driver.c
@@ -2119,9 +2119,26 @@ static void WINAPI test_dpc_func(PKDPC Dpc, void *context, void *cpu_count,
 static void test_dpc(void)
 {
     void (WINAPI *pKeGenericCallDpc)(PKDEFERRED_ROUTINE routine, void *context);
+    void (WINAPI *pKeInitializeDpc)(PKDPC dpc, PKDEFERRED_ROUTINE routine, void *context);
     struct test_dpc_func_context data;
     KAFFINITY cpu_mask;
     ULONG cpu_count;
+    struct _KDPC Dpc = {0};
+
+    pKeInitializeDpc = get_proc_address("KeInitializeDpc");
+    if(!pKeInitializeDpc)
+    {
+        win_skip("KeInitializeDpc is not available.\n");
+        return;
+    }
+
+    pKeInitializeDpc(&Dpc, test_dpc_func, &data);
+    
+    ok(Dpc.Number == 0, "Got unexpected Dpc Number %u.\n", Dpc.Number);
+    todo_wine ok(Dpc.Type == 0x13, "Got unexpected Dpc Type %u.\n", Dpc.Type);
+    todo_wine ok(Dpc.Importance == MediumImportance, "Got unexpected Dpc Importance %u.\n", Dpc.Importance);
+    ok(Dpc.DeferredRoutine == test_dpc_func, "Got unexpected Dpc DeferredRoutine %p.\n", Dpc.DeferredRoutine);
+    ok(Dpc.DeferredContext == &data, "Got unexpected Dpc DeferredContext %p.\n", Dpc.DeferredContext);

pKeGenericCallDpc = get_proc_address("KeGenericCallDpc");
     if (!pKeGenericCallDpc)