[pschweitzer] 74759: [KMTESTS:MM] Test various sizes with MmMapLockedPagesSpecifyCache() to show that behavior is strictly identical. This was designed/tested under W2K3. CORE-8204

Author: pschweitzer
Date: Sat Jun  3 10:29:39 2017
New Revision: 74759

URL: http://svn.reactos.org/svn/reactos?rev=74759&view=rev
Log:
[KMTESTS:MM]
Test various sizes with MmMapLockedPagesSpecifyCache() to show that behavior is strictly
identical.
This was designed/tested under W2K3.

CORE-8204

Modified:
    trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache.h
    trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache_drv.c
    trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache_user.c

Modified: trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache.h
URL:
http://svn.reactos.org/svn/reactos/trunk/rostests/kmtests/ntos_mm/MmMapLock…
==============================================================================
--- trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache.h	[iso-8859-1] (original)
+++ trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache.h	[iso-8859-1] Sat Jun  3
10:29:39 2017
@@ -20,10 +20,12 @@
 {
     USHORT Length;
     PVOID Buffer;
-    USHORT Pattern;
+    ULONG Pattern;
 } READ_BUFFER, *PREAD_BUFFER;
 
 #define IOCTL_QUERY_BUFFER 1
 #define IOCTL_READ_BUFFER  2
 
+#define WRITE_PATTERN 0xA4A5A6A7
+
 #endif /* !defined _KMTEST_MMMAPLOCKEDPAGESSPECIFYCACHE_H_ */

Modified: trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache_drv.c
URL:
http://svn.reactos.org/svn/reactos/trunk/rostests/kmtests/ntos_mm/MmMapLock…
==============================================================================
--- trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache_drv.c	[iso-8859-1]
(original)
+++ trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache_drv.c	[iso-8859-1] Sat Jun
 3 10:29:39 2017
@@ -122,7 +122,7 @@
                 Length = QueryBuffer->Length;
                 ok(Length > 0, "Null size!\n");
 
-                CurrentBuffer = ExAllocatePoolWithTag(NonPagedPool, Length + 0x8,
'MLPC');
+                CurrentBuffer = ExAllocatePoolWithTag(NonPagedPool, Length,
'MLPC');
                 ok(CurrentBuffer != NULL, "ExAllocatePool failed!\n");
                 CurrentUser = NULL;
                 if (!skip(CurrentBuffer != NULL, "ExAllocatePool failed!\n"))
@@ -195,14 +195,15 @@
                     if (ReadBuffer->Buffer != NULL)
                     {
                         USHORT i;
-                        PUSHORT KBuffer = MmGetSystemAddressForMdlSafe(CurrentMdl,
NormalPagePriority);
+                        PULONG KBuffer = MmGetSystemAddressForMdlSafe(CurrentMdl,
NormalPagePriority);
                         ok(KBuffer != NULL, "Failed to get kmode ptr\n");
+                        ok(ReadBuffer->Length % sizeof(ULONG) == 0, "Invalid
size: %d\n", ReadBuffer->Length);
 
                         if (!skip(Buffer != NULL, "Failed to get kmode
ptr\n"))
                         {
-                            for (i = 0; i < ReadBuffer->Length / sizeof(USHORT);
++i)
+                            for (i = 0; i < ReadBuffer->Length / sizeof(ULONG);
++i)
                             {
-                                ok_eq_ulong((ULONG)KBuffer[i],
(ULONG)ReadBuffer->Pattern);
+                                ok_eq_ulong(KBuffer[i], ReadBuffer->Pattern);
                             }
                         }
                     }

Modified: trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache_user.c
URL:
http://svn.reactos.org/svn/reactos/trunk/rostests/kmtests/ntos_mm/MmMapLock…
==============================================================================
--- trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache_user.c	[iso-8859-1]
(original)
+++ trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache_user.c	[iso-8859-1] Sat
Jun  3 10:29:39 2017
@@ -9,44 +9,201 @@
 
 #include "MmMapLockedPagesSpecifyCache.h"
 
+#define SET_BUFFER_LENGTH(Var, Length)         \
+{                                              \
+    C_ASSERT(((Length) % sizeof(ULONG)) == 0); \
+    Var = (Length);                            \
+}
+
 START_TEST(MmMapLockedPagesSpecifyCache)
 {
     QUERY_BUFFER QueryBuffer;
     READ_BUFFER ReadBuffer;
     DWORD Length;
     USHORT i;
-    PUSHORT Buffer;
+    PULONG Buffer;
+    USHORT BufferLength;
 
     KmtLoadDriver(L"MmMapLockedPagesSpecifyCache", FALSE);
     KmtOpenDriver();
 
-    QueryBuffer.Length = 0x100;
-    QueryBuffer.Buffer = NULL;
-    QueryBuffer.Cached = FALSE;
-    Length = sizeof(QUERY_BUFFER);
-    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
-    ok_eq_int(QueryBuffer.Length, 0x100);
-    ok_eq_pointer(QueryBuffer.Buffer, NULL);
-
-    ReadBuffer.Buffer = QueryBuffer.Buffer;
-    Length = 0;
-    ok(KmtSendBufferToDriver(IOCTL_READ_BUFFER, &ReadBuffer, sizeof(READ_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
-
-    QueryBuffer.Length = 0x100;
-    QueryBuffer.Buffer = NULL;
-    QueryBuffer.Cached = TRUE;
-    Length = sizeof(QUERY_BUFFER);
-    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
-    ok_eq_int(QueryBuffer.Length, 0x100);
-    ok(QueryBuffer.Buffer != NULL, "Buffer is NULL\n");
-
-    ReadBuffer.Buffer = QueryBuffer.Buffer;
-    if (!skip(QueryBuffer.Buffer != NULL, "Buffer is NULL\n"))
-    {
-        ReadBuffer.Pattern = 0xA7;
-        ReadBuffer.Length = QueryBuffer.Length;
-        Buffer = QueryBuffer.Buffer;
-        for (i = 0; i < ReadBuffer.Length / sizeof(USHORT); ++i)
+    // Less than a page
+    SET_BUFFER_LENGTH(BufferLength, 2048);
+    QueryBuffer.Length = BufferLength;
+    QueryBuffer.Buffer = NULL;
+    QueryBuffer.Cached = FALSE;
+    Length = sizeof(QUERY_BUFFER);
+    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+    ok_eq_int(QueryBuffer.Length, BufferLength);
+    ok_eq_pointer(QueryBuffer.Buffer, NULL);
+
+    ReadBuffer.Buffer = QueryBuffer.Buffer;
+    Length = 0;
+    ok(KmtSendBufferToDriver(IOCTL_READ_BUFFER, &ReadBuffer, sizeof(READ_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+
+    QueryBuffer.Length = BufferLength;
+    QueryBuffer.Buffer = NULL;
+    QueryBuffer.Cached = TRUE;
+    Length = sizeof(QUERY_BUFFER);
+    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+    ok_eq_int(QueryBuffer.Length, BufferLength);
+    ok(QueryBuffer.Buffer != NULL, "Buffer is NULL\n");
+
+    ReadBuffer.Buffer = QueryBuffer.Buffer;
+    if (!skip(QueryBuffer.Buffer != NULL, "Buffer is NULL\n"))
+    {
+        ReadBuffer.Pattern = WRITE_PATTERN;
+        ReadBuffer.Length = QueryBuffer.Length;
+        Buffer = QueryBuffer.Buffer;
+        for (i = 0; i < ReadBuffer.Length / sizeof(ULONG); ++i)
+        {
+            Buffer[i] = ReadBuffer.Pattern;
+        }
+    }
+
+    Length = 0;
+    ok(KmtSendBufferToDriver(IOCTL_READ_BUFFER, &ReadBuffer, sizeof(READ_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+
+    // 1 page
+    SET_BUFFER_LENGTH(BufferLength, 4096);
+    QueryBuffer.Length = BufferLength;
+    QueryBuffer.Buffer = NULL;
+    QueryBuffer.Cached = FALSE;
+    Length = sizeof(QUERY_BUFFER);
+    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+    ok_eq_int(QueryBuffer.Length, BufferLength);
+    ok_eq_pointer(QueryBuffer.Buffer, NULL);
+
+    ReadBuffer.Buffer = QueryBuffer.Buffer;
+    Length = 0;
+    ok(KmtSendBufferToDriver(IOCTL_READ_BUFFER, &ReadBuffer, sizeof(READ_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+
+    QueryBuffer.Length = BufferLength;
+    QueryBuffer.Buffer = NULL;
+    QueryBuffer.Cached = TRUE;
+    Length = sizeof(QUERY_BUFFER);
+    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+    ok_eq_int(QueryBuffer.Length, BufferLength);
+    ok(QueryBuffer.Buffer != NULL, "Buffer is NULL\n");
+
+    ReadBuffer.Buffer = QueryBuffer.Buffer;
+    if (!skip(QueryBuffer.Buffer != NULL, "Buffer is NULL\n"))
+    {
+        ReadBuffer.Pattern = WRITE_PATTERN;
+        ReadBuffer.Length = QueryBuffer.Length;
+        Buffer = QueryBuffer.Buffer;
+        for (i = 0; i < ReadBuffer.Length / sizeof(ULONG); ++i)
+        {
+            Buffer[i] = ReadBuffer.Pattern;
+        }
+    }
+
+    Length = 0;
+    ok(KmtSendBufferToDriver(IOCTL_READ_BUFFER, &ReadBuffer, sizeof(READ_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+
+    // more than 1 page
+    SET_BUFFER_LENGTH(BufferLength, 4096 + 2048);
+    QueryBuffer.Length = BufferLength;
+    QueryBuffer.Buffer = NULL;
+    QueryBuffer.Cached = FALSE;
+    Length = sizeof(QUERY_BUFFER);
+    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+    ok_eq_int(QueryBuffer.Length, BufferLength);
+    ok_eq_pointer(QueryBuffer.Buffer, NULL);
+
+    ReadBuffer.Buffer = QueryBuffer.Buffer;
+    Length = 0;
+    ok(KmtSendBufferToDriver(IOCTL_READ_BUFFER, &ReadBuffer, sizeof(READ_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+
+    QueryBuffer.Length = BufferLength;
+    QueryBuffer.Buffer = NULL;
+    QueryBuffer.Cached = TRUE;
+    Length = sizeof(QUERY_BUFFER);
+    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+    ok_eq_int(QueryBuffer.Length, BufferLength);
+    ok(QueryBuffer.Buffer != NULL, "Buffer is NULL\n");
+
+    ReadBuffer.Buffer = QueryBuffer.Buffer;
+    if (!skip(QueryBuffer.Buffer != NULL, "Buffer is NULL\n"))
+    {
+        ReadBuffer.Pattern = WRITE_PATTERN;
+        ReadBuffer.Length = QueryBuffer.Length;
+        Buffer = QueryBuffer.Buffer;
+        for (i = 0; i < ReadBuffer.Length / sizeof(ULONG); ++i)
+        {
+            Buffer[i] = ReadBuffer.Pattern;
+        }
+    }
+
+    Length = 0;
+    ok(KmtSendBufferToDriver(IOCTL_READ_BUFFER, &ReadBuffer, sizeof(READ_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+
+    // 2 pages
+    SET_BUFFER_LENGTH(BufferLength, 2 * 4096);
+    QueryBuffer.Length = BufferLength;
+    QueryBuffer.Buffer = NULL;
+    QueryBuffer.Cached = FALSE;
+    Length = sizeof(QUERY_BUFFER);
+    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+    ok_eq_int(QueryBuffer.Length, BufferLength);
+    ok_eq_pointer(QueryBuffer.Buffer, NULL);
+
+    ReadBuffer.Buffer = QueryBuffer.Buffer;
+    Length = 0;
+    ok(KmtSendBufferToDriver(IOCTL_READ_BUFFER, &ReadBuffer, sizeof(READ_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+
+    QueryBuffer.Length = BufferLength;
+    QueryBuffer.Buffer = NULL;
+    QueryBuffer.Cached = TRUE;
+    Length = sizeof(QUERY_BUFFER);
+    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+    ok_eq_int(QueryBuffer.Length, BufferLength);
+    ok(QueryBuffer.Buffer != NULL, "Buffer is NULL\n");
+
+    ReadBuffer.Buffer = QueryBuffer.Buffer;
+    if (!skip(QueryBuffer.Buffer != NULL, "Buffer is NULL\n"))
+    {
+        ReadBuffer.Pattern = WRITE_PATTERN;
+        ReadBuffer.Length = QueryBuffer.Length;
+        Buffer = QueryBuffer.Buffer;
+        for (i = 0; i < ReadBuffer.Length / sizeof(ULONG); ++i)
+        {
+            Buffer[i] = ReadBuffer.Pattern;
+        }
+    }
+
+    Length = 0;
+    ok(KmtSendBufferToDriver(IOCTL_READ_BUFFER, &ReadBuffer, sizeof(READ_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+
+    // more than 2 pages
+    SET_BUFFER_LENGTH(BufferLength, 2 * 4096 + 2048);
+    QueryBuffer.Length = BufferLength;
+    QueryBuffer.Buffer = NULL;
+    QueryBuffer.Cached = FALSE;
+    Length = sizeof(QUERY_BUFFER);
+    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+    ok_eq_int(QueryBuffer.Length, BufferLength);
+    ok_eq_pointer(QueryBuffer.Buffer, NULL);
+
+    ReadBuffer.Buffer = QueryBuffer.Buffer;
+    Length = 0;
+    ok(KmtSendBufferToDriver(IOCTL_READ_BUFFER, &ReadBuffer, sizeof(READ_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+
+    QueryBuffer.Length = BufferLength;
+    QueryBuffer.Buffer = NULL;
+    QueryBuffer.Cached = TRUE;
+    Length = sizeof(QUERY_BUFFER);
+    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER),
&Length) == ERROR_SUCCESS, "\n");
+    ok_eq_int(QueryBuffer.Length, BufferLength);
+    ok(QueryBuffer.Buffer != NULL, "Buffer is NULL\n");
+
+    ReadBuffer.Buffer = QueryBuffer.Buffer;
+    if (!skip(QueryBuffer.Buffer != NULL, "Buffer is NULL\n"))
+    {
+        ReadBuffer.Pattern = WRITE_PATTERN;
+        ReadBuffer.Length = QueryBuffer.Length;
+        Buffer = QueryBuffer.Buffer;
+        for (i = 0; i < ReadBuffer.Length / sizeof(ULONG); ++i)
         {
             Buffer[i] = ReadBuffer.Pattern;
         }