[tfaber] 69169: [KMTESTS:MM] - Add some more reserved mapping tests for special pool tags and unaligned addresses - Validate MDL pages in MmMdl test
Author: tfaber Date: Thu Sep 10 11:16:53 2015 New Revision: 69169
URL: http://svn.reactos.org/svn/reactos?rev=69169&view=rev Log: [KMTESTS:MM] - Add some more reserved mapping tests for special pool tags and unaligned addresses - Validate MDL pages in MmMdl test
Modified: trunk/rostests/kmtests/ntos_mm/MmMdl.c trunk/rostests/kmtests/ntos_mm/MmReservedMapping.c
Modified: trunk/rostests/kmtests/ntos_mm/MmMdl.c URL: http://svn.reactos.org/svn/reactos/trunk/rostests/kmtests/ntos_mm/MmMdl.c?re... ============================================================================== --- trunk/rostests/kmtests/ntos_mm/MmMdl.c [iso-8859-1] (original) +++ trunk/rostests/kmtests/ntos_mm/MmMdl.c [iso-8859-1] Thu Sep 10 11:16:53 2015 @@ -19,6 +19,8 @@ PMDL Mdls[32]; PVOID SystemVas[32]; ULONG i; + PPFN_NUMBER MdlPages; + ULONG MdlPageCount;
LowAddress.QuadPart = 0; HighAddress.QuadPart = -1; @@ -34,6 +36,14 @@ ok(MmGetMdlByteCount(Mdl) == 2 * 1024 * 1024, "Byte count: %lu\n", MmGetMdlByteCount(Mdl)); ok(MmGetMdlVirtualAddress(Mdl) == NULL, "Virtual address: %p\n", MmGetMdlVirtualAddress(Mdl)); ok(!(Mdl->MdlFlags & MDL_MAPPED_TO_SYSTEM_VA), "MdlFlags: %lx\n", Mdl->MdlFlags); + MdlPages = MmGetMdlPfnArray(Mdl); + MdlPageCount = ADDRESS_AND_SIZE_TO_SPAN_PAGES(MmGetMdlVirtualAddress(Mdl), MmGetMdlByteCount(Mdl)); + ok(MdlPageCount == 2 * 1024 * 1024 / PAGE_SIZE, "MdlPageCount = %lu\n", MdlPageCount); + for (i = 0; i < MdlPageCount; i++) + { + ok(MdlPages[i] != 0 && MdlPages[i] != (PFN_NUMBER)-1, + "MdlPages[%lu] = 0x%I64x\n", i, (ULONGLONG)MdlPages[i]); + } MmFreePagesFromMdl(Mdl); ExFreePoolWithTag(Mdl, 0);
@@ -105,6 +115,14 @@ ok(MmGetMdlByteCount(Mdl) != 2UL * 1024 * 1024 * 1024, "Byte count: %lu\n", MmGetMdlByteCount(Mdl)); ok(MmGetMdlVirtualAddress(Mdl) == NULL, "Virtual address: %p\n", MmGetMdlVirtualAddress(Mdl)); ok(!(Mdl->MdlFlags & MDL_MAPPED_TO_SYSTEM_VA), "MdlFlags: %lx\n", Mdl->MdlFlags); + MdlPages = MmGetMdlPfnArray(Mdl); + MdlPageCount = ADDRESS_AND_SIZE_TO_SPAN_PAGES(MmGetMdlVirtualAddress(Mdl), MmGetMdlByteCount(Mdl)); + ok(MdlPageCount < 2UL * 1024 * 1024 * 1024 / PAGE_SIZE, "MdlPageCount = %lu\n", MdlPageCount); + for (i = 0; i < MdlPageCount; i++) + { + ok(MdlPages[i] != 0 && MdlPages[i] != (PFN_NUMBER)-1, + "MdlPages[%lu] = 0x%I64x\n", i, (ULONGLONG)MdlPages[i]); + } SystemVa = MmMapLockedPagesSpecifyCache(Mdl, KernelMode, MmCached,
Modified: trunk/rostests/kmtests/ntos_mm/MmReservedMapping.c URL: http://svn.reactos.org/svn/reactos/trunk/rostests/kmtests/ntos_mm/MmReserved... ============================================================================== --- trunk/rostests/kmtests/ntos_mm/MmReservedMapping.c [iso-8859-1] (original) +++ trunk/rostests/kmtests/ntos_mm/MmReservedMapping.c [iso-8859-1] Thu Sep 10 11:16:53 2015 @@ -35,6 +35,7 @@ ValidateMapping( _In_ PVOID BaseAddress, _In_ ULONG TotalPtes, + _In_ ULONG PoolTag, _In_ ULONG ValidPtes, _In_ PPFN_NUMBER Pfns) { @@ -61,7 +62,7 @@ ok_eq_hex(PointerPte[i].u.Long, 0UL); } Valid = Valid && - ok_eq_tag(PointerPte[-1].u.Long, 'MRmK' & ~1); + ok_eq_tag(PointerPte[-1].u.Long, PoolTag & ~1); Valid = Valid && ok_eq_ulong(PointerPte[-2].u.Long, (TotalPtes + 2) * 2); #endif @@ -72,7 +73,9 @@ static VOID TestMap( - _In_ PVOID Mapping) + _In_ PVOID Mapping, + _In_ ULONG TotalPtes, + _In_ ULONG PoolTag) { PMDL Mdl; PHYSICAL_ADDRESS ZeroPhysical; @@ -99,14 +102,15 @@ MdlPages = (PVOID)(Mdl + 1);
BaseAddress = MmMapLockedPagesWithReservedMapping(Mapping, - 'MRmK', - Mdl, - MmCached); - if (BaseAddress) + PoolTag, + Mdl, + MmCached); + ok(BaseAddress != NULL, "MmMapLockedPagesWithReservedMapping failed\n"); + if (!skip(BaseAddress != NULL, "Failed to map MDL\n")) { ok_eq_pointer(BaseAddress, Mapping);
- ok_bool_true(ValidateMapping(BaseAddress, 10, 1, MdlPages), + ok_bool_true(ValidateMapping(BaseAddress, TotalPtes, PoolTag, 1, MdlPages), "ValidateMapping returned");
KmtStartSeh() @@ -114,10 +118,35 @@ KmtEndSeh(STATUS_SUCCESS);
MmUnmapReservedMapping(BaseAddress, - 'MRmK', - Mdl); - - ok_bool_true(ValidateMapping(Mapping, 10, 0, NULL), + PoolTag, + Mdl); + + ok_bool_true(ValidateMapping(Mapping, TotalPtes, PoolTag, 0, NULL), + "ValidateMapping returned"); + } + + /* Try again but at an unaligned address */ + BaseAddress = MmMapLockedPagesWithReservedMapping((PUCHAR)Mapping + sizeof(ULONG), + PoolTag, + Mdl, + MmCached); + ok(BaseAddress != NULL, "MmMapLockedPagesWithReservedMapping failed\n"); + if (!skip(BaseAddress != NULL, "Failed to map MDL\n")) + { + ok_eq_pointer(BaseAddress, (PUCHAR)Mapping + sizeof(ULONG)); + + ok_bool_true(ValidateMapping(BaseAddress, TotalPtes, PoolTag, 1, MdlPages), + "ValidateMapping returned"); + + KmtStartSeh() + *(volatile ULONG *)BaseAddress = 0x01234567; + KmtEndSeh(STATUS_SUCCESS); + + MmUnmapReservedMapping(BaseAddress, + PoolTag, + Mdl); + + ok_bool_true(ValidateMapping(Mapping, TotalPtes, PoolTag, 0, NULL), "ValidateMapping returned"); }
@@ -127,7 +156,7 @@ Mdl = MmAllocatePagesForMdlEx(ZeroPhysical, MaxPhysical, ZeroPhysical, - 10 * PAGE_SIZE, + TotalPtes * PAGE_SIZE, MmCached, 0); if (skip(Mdl != NULL, "No MDL\n")) @@ -138,17 +167,18 @@ MdlPages = (PVOID)(Mdl + 1);
BaseAddress = MmMapLockedPagesWithReservedMapping(Mapping, - 'MRmK', - Mdl, - MmCached); - if (BaseAddress) + PoolTag, + Mdl, + MmCached); + ok(BaseAddress != NULL, "MmMapLockedPagesWithReservedMapping failed\n"); + if (!skip(BaseAddress != NULL, "Failed to map MDL\n")) { ok_eq_pointer(BaseAddress, Mapping);
- ok_bool_true(ValidateMapping(BaseAddress, 10, 10, MdlPages), - "ValidateMapping returned"); - - for (i = 0; i < 10; i++) + ok_bool_true(ValidateMapping(BaseAddress, TotalPtes, PoolTag, TotalPtes, MdlPages), + "ValidateMapping returned"); + + for (i = 0; i < TotalPtes; i++) { KmtStartSeh() *((volatile ULONG *)BaseAddress + i * PAGE_SIZE / sizeof(ULONG)) = 0x01234567; @@ -156,10 +186,10 @@ }
MmUnmapReservedMapping(BaseAddress, - 'MRmK', - Mdl); - - ok_bool_true(ValidateMapping(Mapping, 10, 0, NULL), + PoolTag, + Mdl); + + ok_bool_true(ValidateMapping(Mapping, TotalPtes, PoolTag, 0, NULL), "ValidateMapping returned"); }
@@ -169,7 +199,7 @@ Mdl = MmAllocatePagesForMdlEx(ZeroPhysical, MaxPhysical, ZeroPhysical, - 11 * PAGE_SIZE, + (TotalPtes + 1) * PAGE_SIZE, MmCached, 0); if (skip(Mdl != NULL, "No MDL\n")) @@ -178,14 +208,14 @@ }
BaseAddress = MmMapLockedPagesWithReservedMapping(Mapping, - 'MRmK', + PoolTag, Mdl, MmCached); ok_eq_pointer(BaseAddress, NULL); if (BaseAddress) { MmUnmapReservedMapping(BaseAddress, - 'MRmK', + PoolTag, Mdl); }
@@ -201,7 +231,7 @@ ok(Mapping != NULL, "MmAllocateMappingAddress failed\n"); if (!skip(Mapping != NULL, "No mapping\n")) { - ok_bool_true(ValidateMapping(Mapping, 1, 0, NULL), + ok_bool_true(ValidateMapping(Mapping, 1, 'MRmK', 0, NULL), "ValidateMapping returned");
MmFreeMappingAddress(Mapping, 'MRmK'); @@ -212,7 +242,7 @@ ok(Mapping != NULL, "MmAllocateMappingAddress failed\n"); if (!skip(Mapping != NULL, "No mapping\n")) { - ok_bool_true(ValidateMapping(Mapping, 10, 0, NULL), + ok_bool_true(ValidateMapping(Mapping, 10, 'MRmK', 0, NULL), "ValidateMapping returned");
/* PAGE_FAULT_IN_NONPAGED_AREA can't be caught with SEH */ @@ -221,8 +251,42 @@ (void)*(volatile UCHAR *)Mapping; }
- TestMap(Mapping); + TestMap(Mapping, 10, 'MRmK');
MmFreeMappingAddress(Mapping, 'MRmK'); } -} + + /* PoolTag = 0 */ + Mapping = MmAllocateMappingAddress(1, 0); + ok(Mapping == NULL, "MmAllocateMappingAddress failed\n"); + if (Mapping != NULL) + { + MmFreeMappingAddress(Mapping, 0); + } + + /* PoolTag = 1 */ + Mapping = MmAllocateMappingAddress(1, 1); + ok(Mapping != NULL, "MmAllocateMappingAddress failed\n"); + if (Mapping != NULL) + { + ok_bool_true(ValidateMapping(Mapping, 1, 1, 0, NULL), + "ValidateMapping returned"); + + TestMap(Mapping, 1, 1); + + MmFreeMappingAddress(Mapping, 1); + } + + /* Free an unaligned address */ + Mapping = MmAllocateMappingAddress(PAGE_SIZE, 'MRmK'); + ok(Mapping != NULL, "MmAllocateMappingAddress failed\n"); + if (Mapping != NULL) + { + ok_bool_true(ValidateMapping(Mapping, 1, 'MRmK', 0, NULL), + "ValidateMapping returned"); + + TestMap(Mapping, 1, 'MRmK'); + + MmFreeMappingAddress((PUCHAR)Mapping + sizeof(ULONG), 'MRmK'); + } +}
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