[PATCH 3/3] ntoskrnl.exe/tests: Add a simple test for MmMapLockedPagesSpecifyCache().

[Zebediah Figura]

For https://bugs.winehq.org/show_bug.cgi?id=37355.

Signed-off-by: Zebediah Figura 
---
 dlls/ntoskrnl.exe/tests/driver.c | 21 +++++++++++++++++++++
 include/ddk/wdm.h                |  1 +
 2 files changed, 22 insertions(+)

diff --git a/dlls/ntoskrnl.exe/tests/driver.c b/dlls/ntoskrnl.exe/tests/driver.c
index 59d6411..62b5f18 100644
--- a/dlls/ntoskrnl.exe/tests/driver.c
+++ b/dlls/ntoskrnl.exe/tests/driver.c
@@ -152,6 +152,26 @@ todo_wine
     ok(current != NULL, "Expected current process to be non-NULL\n");
 }

+static void test_mdl_map(void)
+{
+    char buffer[20] = "test buffer";
+    void *addr;
+    MDL *mdl;
+
+    mdl = IoAllocateMdl(buffer, sizeof(buffer), FALSE, FALSE, NULL);
+    ok(mdl != NULL, "IoAllocateMdl failed\n");
+
+    MmProbeAndLockPages(mdl, KernelMode, IoReadAccess);
+
+    addr = MmMapLockedPagesSpecifyCache(mdl, KernelMode, MmCached, NULL, FALSE, NormalPagePriority);
+todo_wine
+    ok(addr != NULL, "MmMapLockedPagesSpecifyCache failed\n");
+
+    /* MmUnmapLockedPages(addr, mdl); */
+
+    IoFreeMdl(mdl);
+}
+
 static NTSTATUS main_test(IRP *irp, IO_STACK_LOCATION *stack, ULONG_PTR *info)
 {
     ULONG length = stack->Parameters.DeviceIoControl.OutputBufferLength;
@@ -176,6 +196,7 @@ static NTSTATUS main_test(IRP *irp, IO_STACK_LOCATION *stack, ULONG_PTR *info)
     ZwOpenFile(&okfile, FILE_APPEND_DATA, &attr, &io, 0, 0);

test_currentprocess();
+    test_mdl_map();

/* print process report */
     if (test_input->winetest_debug)
diff --git a/include/ddk/wdm.h b/include/ddk/wdm.h
index 8634f36..cab9828 100644
--- a/include/ddk/wdm.h
+++ b/include/ddk/wdm.h
@@ -1423,6 +1423,7 @@ PMDL      WINAPI MmAllocatePagesForMdl(PHYSICAL_ADDRESS,PHYSICAL_ADDRESS,PHYSICA
 void      WINAPI MmFreeNonCachedMemory(PVOID,SIZE_T);
 PVOID     WINAPI MmMapLockedPagesSpecifyCache(PMDL,KPROCESSOR_MODE,MEMORY_CACHING_TYPE,PVOID,ULONG,ULONG);
 MM_SYSTEMSIZE WINAPI MmQuerySystemSize(void);
+void      WINAPI MmProbeAndLockPages(PMDLX, KPROCESSOR_MODE, LOCK_OPERATION);

static inline void *MmGetSystemAddressForMdlSafe(MDL *mdl, ULONG priority)
 {