mirror of
https://github.com/reactos/reactos.git
synced 2025-02-23 17:05:46 +00:00
[NTOSKRNL]
- Add 2 parameters to IopUpdateResourceMap to allows for updating different keys - Implement IopDetectResourceConflict and IopCheckForResourceConflict but don't report the conflicts until we get a resource arbiter - Halfplement IoReportResourceForDetection svn path=/trunk/; revision=46654
This commit is contained in:
Cameron Gutman
parent
a22393f57a
commit
633c67bdbf
2 changed files with 390 additions and 18 deletions
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@ -57,7 +57,7 @@ IopTranslateDeviceResources(
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IN ULONG RequiredSize);
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NTSTATUS
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IopUpdateResourceMap(
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IopUpdateResourceMapForPnPDevice(
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IN PDEVICE_NODE DeviceNode);
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PDEVICE_NODE
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@ -163,7 +163,7 @@ IopStartDevice(
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Status = IopTranslateDeviceResources(DeviceNode, RequiredLength);
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if (NT_SUCCESS(Status))
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{
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Status = IopUpdateResourceMap(DeviceNode);
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Status = IopUpdateResourceMapForPnPDevice(DeviceNode);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("IopUpdateResourceMap() failed (Status 0x%08lx)\n", Status);
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@ -735,7 +735,7 @@ IopCreateDeviceKeyPath(IN PCUNICODE_STRING RegistryPath,
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}
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NTSTATUS
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IopUpdateResourceMap(IN PDEVICE_NODE DeviceNode)
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IopUpdateResourceMap(IN PDEVICE_NODE DeviceNode, PWCHAR Level1Key, PWCHAR Level2Key)
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{
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NTSTATUS Status;
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ULONG Disposition;
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@ -760,7 +760,7 @@ IopUpdateResourceMap(IN PDEVICE_NODE DeviceNode)
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if (!NT_SUCCESS(Status))
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return Status;
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RtlInitUnicodeString(&KeyName, L"PnP Manager");
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RtlInitUnicodeString(&KeyName, Level1Key);
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InitializeObjectAttributes(&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE | OBJ_OPENIF,
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@ -777,7 +777,7 @@ IopUpdateResourceMap(IN PDEVICE_NODE DeviceNode)
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if (!NT_SUCCESS(Status))
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return Status;
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RtlInitUnicodeString(&KeyName, L"PnpManager");
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RtlInitUnicodeString(&KeyName, Level2Key);
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InitializeObjectAttributes(&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE | OBJ_OPENIF,
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@ -857,6 +857,12 @@ IopUpdateResourceMap(IN PDEVICE_NODE DeviceNode)
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return STATUS_SUCCESS;
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}
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NTSTATUS
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IopUpdateResourceMapForPnPDevice(IN PDEVICE_NODE DeviceNode)
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{
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return IopUpdateResourceMap(DeviceNode, L"PnP Manager", L"PnpManager");
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}
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NTSTATUS
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IopSetDeviceInstanceData(HANDLE InstanceKey,
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PDEVICE_NODE DeviceNode)
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@ -945,7 +951,349 @@ IopSetDeviceInstanceData(HANDLE InstanceKey,
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return STATUS_SUCCESS;
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}
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BOOLEAN
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IopCheckForResourceConflict(
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IN PCM_RESOURCE_LIST ResourceList1,
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IN PCM_RESOURCE_LIST ResourceList2)
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{
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ULONG i1, i2, ii1, ii2;
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BOOLEAN Result = FALSE;
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for (i1 = 0; i1 < ResourceList1->Count; i1++)
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{
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PCM_PARTIAL_RESOURCE_LIST ResList1 = &ResourceList1->List[i1].PartialResourceList;
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for (i2 = 0; i2 < ResourceList2->Count; i2++)
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{
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PCM_PARTIAL_RESOURCE_LIST ResList2 = &ResourceList2->List[i2].PartialResourceList;
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for (ii1 = 0; ii1 < ResList1->Count; ii1++)
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{
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PCM_PARTIAL_RESOURCE_DESCRIPTOR ResDesc1 = &ResList1->PartialDescriptors[ii1];
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if (ResDesc1->ShareDisposition == CmResourceShareShared)
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continue;
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for (ii2 = 0; ii2 < ResList2->Count; ii2++)
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{
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PCM_PARTIAL_RESOURCE_DESCRIPTOR ResDesc2 = &ResList2->PartialDescriptors[ii2];
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/* We don't care about shared resources */
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if (ResDesc2->ShareDisposition == CmResourceShareShared)
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continue;
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/* Make sure we're comparing the same types */
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if (ResDesc1->Type != ResDesc2->Type)
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continue;
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switch (ResDesc1->Type)
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{
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case CmResourceTypeMemory:
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if ((ResDesc1->u.Memory.Start.QuadPart < ResDesc2->u.Memory.Start.QuadPart &&
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ResDesc1->u.Memory.Start.QuadPart + ResDesc1->u.Memory.Length >
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ResDesc2->u.Memory.Start.QuadPart) || (ResDesc2->u.Memory.Start.QuadPart <
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ResDesc1->u.Memory.Start.QuadPart && ResDesc2->u.Memory.Start.QuadPart +
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ResDesc2->u.Memory.Length > ResDesc1->u.Memory.Start.QuadPart))
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{
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DPRINT1("Resource conflict: Memory (0x%x to 0x%x vs. 0x%x to 0x%x)\n",
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ResDesc1->u.Memory.Start.QuadPart, ResDesc1->u.Memory.Start.QuadPart +
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ResDesc1->u.Memory.Length, ResDesc2->u.Memory.Start.QuadPart,
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ResDesc2->u.Memory.Start.QuadPart + ResDesc2->u.Memory.Length);
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Result = TRUE;
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goto ByeBye;
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}
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break;
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case CmResourceTypePort:
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if ((ResDesc1->u.Port.Start.QuadPart < ResDesc2->u.Port.Start.QuadPart &&
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ResDesc1->u.Port.Start.QuadPart + ResDesc1->u.Port.Length >
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ResDesc2->u.Port.Start.QuadPart) || (ResDesc2->u.Port.Start.QuadPart <
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ResDesc1->u.Port.Start.QuadPart && ResDesc2->u.Port.Start.QuadPart +
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ResDesc2->u.Port.Length > ResDesc1->u.Port.Start.QuadPart))
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{
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DPRINT1("Resource conflict: Port (0x%x to 0x%x vs. 0x%x to 0x%x)\n",
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ResDesc1->u.Port.Start.QuadPart, ResDesc1->u.Port.Start.QuadPart +
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ResDesc1->u.Port.Length, ResDesc2->u.Port.Start.QuadPart,
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ResDesc2->u.Port.Start.QuadPart + ResDesc2->u.Port.Length);
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Result = TRUE;
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goto ByeBye;
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}
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break;
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case CmResourceTypeInterrupt:
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if (ResDesc1->u.Interrupt.Vector == ResDesc2->u.Interrupt.Vector)
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{
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DPRINT1("Resource conflict: IRQ (0x%x 0x%x vs. 0x%x 0x%x)\n",
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ResDesc1->u.Interrupt.Vector, ResDesc1->u.Interrupt.Level,
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ResDesc2->u.Interrupt.Vector, ResDesc2->u.Interrupt.Level);
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Result = TRUE;
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goto ByeBye;
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}
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break;
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case CmResourceTypeBusNumber:
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if ((ResDesc1->u.BusNumber.Start < ResDesc2->u.BusNumber.Start &&
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ResDesc1->u.BusNumber.Start + ResDesc1->u.BusNumber.Length >
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ResDesc2->u.BusNumber.Start) || (ResDesc2->u.BusNumber.Start <
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ResDesc1->u.BusNumber.Start && ResDesc2->u.BusNumber.Start +
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ResDesc2->u.BusNumber.Length > ResDesc1->u.BusNumber.Start))
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{
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DPRINT1("Resource conflict: Bus number (0x%x to 0x%x vs. 0x%x to 0x%x)\n",
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ResDesc1->u.BusNumber.Start, ResDesc1->u.BusNumber.Start +
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ResDesc1->u.BusNumber.Length, ResDesc2->u.BusNumber.Start,
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ResDesc2->u.BusNumber.Start + ResDesc2->u.BusNumber.Length);
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Result = TRUE;
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goto ByeBye;
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}
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break;
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case CmResourceTypeDma:
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if (ResDesc1->u.Dma.Channel == ResDesc2->u.Dma.Channel)
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{
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DPRINT1("Resource conflict: Dma (0x%x 0x%x vs. 0x%x 0x%x)\n",
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ResDesc1->u.Dma.Channel, ResDesc1->u.Dma.Port,
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ResDesc2->u.Dma.Channel, ResDesc2->u.Dma.Port);
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Result = TRUE;
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goto ByeBye;
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}
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break;
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}
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}
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}
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}
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}
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ByeBye:
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#ifdef ENABLE_RESOURCE_CONFLICT_DETECTION
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return Result;
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#else
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return FALSE;
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#endif
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}
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NTSTATUS
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IopDetectResourceConflict(
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IN PCM_RESOURCE_LIST ResourceList)
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING KeyName;
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HANDLE ResourceMapKey = INVALID_HANDLE_VALUE, ChildKey2 = INVALID_HANDLE_VALUE, ChildKey3 = INVALID_HANDLE_VALUE;
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ULONG KeyInformationLength, RequiredLength, KeyValueInformationLength, KeyNameInformationLength;
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PKEY_BASIC_INFORMATION KeyInformation;
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PKEY_VALUE_PARTIAL_INFORMATION KeyValueInformation;
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PKEY_VALUE_BASIC_INFORMATION KeyNameInformation;
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ULONG ChildKeyIndex1 = 0, ChildKeyIndex2 = 0, ChildKeyIndex3 = 0;
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NTSTATUS Status;
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RtlInitUnicodeString(&KeyName, L"\\Registry\\Machine\\HARDWARE\\RESOURCEMAP");
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InitializeObjectAttributes(&ObjectAttributes, &KeyName, OBJ_CASE_INSENSITIVE, 0, NULL);
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Status = ZwOpenKey(&ResourceMapKey, KEY_ENUMERATE_SUB_KEYS | KEY_QUERY_VALUE, &ObjectAttributes);
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if (!NT_SUCCESS(Status))
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{
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/* The key is missing which means we are the first device */
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return STATUS_SUCCESS;
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}
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while (TRUE)
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{
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Status = ZwEnumerateKey(ResourceMapKey,
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ChildKeyIndex1,
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KeyBasicInformation,
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NULL,
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0,
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&RequiredLength);
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if (Status == STATUS_NO_MORE_ENTRIES)
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break;
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else if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
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{
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KeyInformationLength = RequiredLength;
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KeyInformation = ExAllocatePool(PagedPool, KeyInformationLength);
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if (!KeyInformation)
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{
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Status = STATUS_INSUFFICIENT_RESOURCES;
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goto cleanup;
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}
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Status = ZwEnumerateKey(ResourceMapKey,
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ChildKeyIndex1,
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KeyBasicInformation,
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KeyInformation,
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KeyInformationLength,
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&RequiredLength);
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}
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else
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goto cleanup;
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ChildKeyIndex1++;
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if (!NT_SUCCESS(Status))
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goto cleanup;
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KeyName.Buffer = KeyInformation->Name;
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KeyName.MaximumLength = KeyName.Length = KeyInformation->NameLength;
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InitializeObjectAttributes(&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE,
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ResourceMapKey,
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NULL);
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Status = ZwOpenKey(&ChildKey2, KEY_ENUMERATE_SUB_KEYS | KEY_QUERY_VALUE, &ObjectAttributes);
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ExFreePool(KeyInformation);
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if (!NT_SUCCESS(Status))
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goto cleanup;
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while (TRUE)
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{
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Status = ZwEnumerateKey(ChildKey2,
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ChildKeyIndex2,
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KeyBasicInformation,
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NULL,
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0,
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&RequiredLength);
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if (Status == STATUS_NO_MORE_ENTRIES)
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break;
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else if (Status == STATUS_BUFFER_TOO_SMALL)
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{
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KeyInformationLength = RequiredLength;
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KeyInformation = ExAllocatePool(PagedPool, KeyInformationLength);
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if (!KeyInformation)
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{
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Status = STATUS_INSUFFICIENT_RESOURCES;
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goto cleanup;
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}
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Status = ZwEnumerateKey(ChildKey2,
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ChildKeyIndex2,
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KeyBasicInformation,
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KeyInformation,
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KeyInformationLength,
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&RequiredLength);
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}
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else
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goto cleanup;
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ChildKeyIndex2++;
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if (!NT_SUCCESS(Status))
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goto cleanup;
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KeyName.Buffer = KeyInformation->Name;
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KeyName.MaximumLength = KeyName.Length = KeyInformation->NameLength;
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InitializeObjectAttributes(&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE,
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ChildKey2,
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NULL);
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Status = ZwOpenKey(&ChildKey3, KEY_QUERY_VALUE, &ObjectAttributes);
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ExFreePool(KeyInformation);
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if (!NT_SUCCESS(Status))
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goto cleanup;
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while (TRUE)
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{
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Status = ZwEnumerateValueKey(ChildKey3,
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ChildKeyIndex3,
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KeyValuePartialInformation,
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NULL,
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0,
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&RequiredLength);
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if (Status == STATUS_NO_MORE_ENTRIES)
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break;
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else if (Status == STATUS_BUFFER_TOO_SMALL)
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{
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KeyValueInformationLength = RequiredLength;
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KeyValueInformation = ExAllocatePool(PagedPool, KeyValueInformationLength);
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if (!KeyValueInformation)
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{
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Status = STATUS_INSUFFICIENT_RESOURCES;
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goto cleanup;
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}
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Status = ZwEnumerateValueKey(ChildKey3,
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ChildKeyIndex3,
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KeyValuePartialInformation,
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KeyValueInformation,
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KeyValueInformationLength,
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&RequiredLength);
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}
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else
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goto cleanup;
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if (!NT_SUCCESS(Status))
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goto cleanup;
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Status = ZwEnumerateValueKey(ChildKey3,
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ChildKeyIndex3,
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KeyValueBasicInformation,
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NULL,
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0,
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&RequiredLength);
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if (Status == STATUS_BUFFER_TOO_SMALL)
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{
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KeyNameInformationLength = RequiredLength;
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KeyNameInformation = ExAllocatePool(PagedPool, KeyNameInformationLength + sizeof(WCHAR));
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if (!KeyNameInformation)
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{
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Status = STATUS_INSUFFICIENT_RESOURCES;
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goto cleanup;
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}
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Status = ZwEnumerateValueKey(ChildKey3,
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ChildKeyIndex3,
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KeyValueBasicInformation,
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KeyNameInformation,
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KeyNameInformationLength,
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&RequiredLength);
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}
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else
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goto cleanup;
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ChildKeyIndex3++;
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if (!NT_SUCCESS(Status))
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goto cleanup;
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KeyNameInformation->Name[KeyNameInformation->NameLength / sizeof(WCHAR)] = UNICODE_NULL;
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/* Skip translated entries */
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if (wcsstr(KeyNameInformation->Name, L".Translated"))
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{
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ExFreePool(KeyNameInformation);
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continue;
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}
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ExFreePool(KeyNameInformation);
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if (IopCheckForResourceConflict(ResourceList,
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(PCM_RESOURCE_LIST)KeyValueInformation->Data))
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{
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ExFreePool(KeyValueInformation);
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Status = STATUS_CONFLICTING_ADDRESSES;
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goto cleanup;
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}
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ExFreePool(KeyValueInformation);
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}
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}
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}
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cleanup:
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if (ResourceMapKey != INVALID_HANDLE_VALUE)
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ZwClose(ResourceMapKey);
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if (ChildKey2 != INVALID_HANDLE_VALUE)
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ZwClose(ChildKey2);
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if (ChildKey3 != INVALID_HANDLE_VALUE)
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ZwClose(ChildKey3);
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if (Status == STATUS_NO_MORE_ENTRIES)
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Status = STATUS_SUCCESS;
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return Status;
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}
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NTSTATUS
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IopAssignDeviceResources(
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IN PDEVICE_NODE DeviceNode,
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|
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@ -997,6 +1345,10 @@ IopAssignDeviceResources(
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}
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RtlCopyMemory(DeviceNode->ResourceList, DeviceNode->BootResources, Size);
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|
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Status = IopDetectResourceConflict(DeviceNode->ResourceList);
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if (!NT_SUCCESS(Status))
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goto ByeBye;
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*pRequiredSize = Size;
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return STATUS_SUCCESS;
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}
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|
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@ -1147,6 +1499,10 @@ IopAssignDeviceResources(
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|
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DeviceNode->ResourceList->List[0].PartialResourceList.Count = NumberOfResources;
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|
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Status = IopDetectResourceConflict(DeviceNode->ResourceList);
|
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if (!NT_SUCCESS(Status))
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goto ByeBye;
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|
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*pRequiredSize = Size;
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return STATUS_SUCCESS;
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|
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|
|
|
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|
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@ -36,9 +36,13 @@ IopActionInterrogateDeviceStack(PDEVICE_NODE DeviceNode,
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PVOID Context);
|
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|
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NTSTATUS
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IopUpdateResourceMap(
|
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IopUpdateResourceMapForPnPDevice(
|
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IN PDEVICE_NODE DeviceNode);
|
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|
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NTSTATUS
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IopDetectResourceConflict(
|
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IN PCM_RESOURCE_LIST ResourceList);
|
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|
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/* PRIVATE FUNCTIONS *********************************************************/
|
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|
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PWCHAR
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|
|
@ -272,7 +276,7 @@ IoReportDetectedDevice(IN PDRIVER_OBJECT DriverObject,
|
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{
|
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Status = IopTranslateDeviceResources(DeviceNode, RequiredLength);
|
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if (NT_SUCCESS(Status))
|
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Status = IopUpdateResourceMap(DeviceNode);
|
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Status = IopUpdateResourceMapForPnPDevice(DeviceNode);
|
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}
|
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IopDeviceNodeClearFlag(DeviceNode, DNF_ASSIGNING_RESOURCES);
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|
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|
|
@ -301,7 +305,7 @@ IoReportDetectedDevice(IN PDRIVER_OBJECT DriverObject,
|
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}
|
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|
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/*
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* @unimplemented
|
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* @halfplemented
|
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*/
|
||||
NTSTATUS
|
||||
NTAPI
|
||||
|
|
@ -313,23 +317,35 @@ IoReportResourceForDetection(IN PDRIVER_OBJECT DriverObject,
|
|||
IN ULONG DeviceListSize OPTIONAL,
|
||||
OUT PBOOLEAN ConflictDetected)
|
||||
{
|
||||
static int warned = 0;
|
||||
if (!warned)
|
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{
|
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DPRINT1("IoReportResourceForDetection partly implemented\n");
|
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warned = 1;
|
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}
|
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PCM_RESOURCE_LIST ResourceList;
|
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NTSTATUS Status;
|
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|
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*ConflictDetected = FALSE;
|
||||
|
||||
if (PopSystemPowerDeviceNode && DriverListSize > 0)
|
||||
if (!DriverList && !DeviceList)
|
||||
return STATUS_INVALID_PARAMETER;
|
||||
|
||||
/* Find the real list */
|
||||
if (!DriverList)
|
||||
ResourceList = DeviceList;
|
||||
else
|
||||
ResourceList = DriverList;
|
||||
|
||||
/* Look for a resource conflict */
|
||||
Status = IopDetectResourceConflict(ResourceList);
|
||||
if (Status == STATUS_CONFLICTING_ADDRESSES)
|
||||
{
|
||||
/* We hope legacy devices will be enumerated by ACPI */
|
||||
/* Oh noes */
|
||||
*ConflictDetected = TRUE;
|
||||
return STATUS_CONFLICTING_ADDRESSES;
|
||||
}
|
||||
else if (NT_SUCCESS(Status))
|
||||
{
|
||||
/* Looks like we're good to go */
|
||||
|
||||
/* TODO: Claim the resources in the ResourceMap */
|
||||
}
|
||||
|
||||
return STATUS_SUCCESS;
|
||||
return Status;
|
||||
}
|
||||
|
||||
VOID
|
||||
|
|
|
|||
Loading…
Reference in a new issue