[cgutman] 54237: [VIDEOPRT] - Report legacy resources to the PnP manager via IRP_MN_FILTER_RESOURCE_REQUIREMENTS - Report legacy access ranges in response to VideoPortGetAccessRanges - TODO: Handle...
23 Oct
2011
23 Oct
'11
2:45 a.m.
Author: cgutman
Date: Sun Oct 23 02:45:09 2011
New Revision: 54237
URL: http://svn.reactos.org/svn/reactos?rev=54237&view=rev
Log:
[VIDEOPRT]
- Report legacy resources to the PnP manager via IRP_MN_FILTER_RESOURCE_REQUIREMENTS
- Report legacy access ranges in response to VideoPortGetAccessRanges
- TODO: Handle an optional resource requirements list in VideoPortGetAccessRanges
Modified:
trunk/reactos/drivers/video/videoprt/dispatch.c
trunk/reactos/drivers/video/videoprt/resource.c
trunk/reactos/drivers/video/videoprt/videoprt.h
Modified: trunk/reactos/drivers/video/videoprt/dispatch.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/video/videoprt/dis…
==============================================================================
--- trunk/reactos/drivers/video/videoprt/dispatch.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/video/videoprt/dispatch.c [iso-8859-1] Sun Oct 23 02:45:09 2011
@@ -304,7 +304,6 @@
return nErrCode;
}
-
NTSTATUS NTAPI
IntVideoPortPnPStartDevice(
@@ -456,6 +455,14 @@
IoCompleteRequest(Irp, IO_NO_INCREMENT);
break;
+ case IRP_MN_FILTER_RESOURCE_REQUIREMENTS:
+ Status = IntVideoPortForwardIrpAndWait(DeviceObject, Irp);
+ if (NT_SUCCESS(Status) && NT_SUCCESS(Irp->IoStatus.Status))
+ Status = IntVideoPortFilterResourceRequirements(DeviceObject, Irp);
+ Irp->IoStatus.Status = Status;
+ Irp->IoStatus.Information = 0;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ break;
case IRP_MN_REMOVE_DEVICE:
case IRP_MN_QUERY_REMOVE_DEVICE:
Modified: trunk/reactos/drivers/video/videoprt/resource.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/video/videoprt/res…
==============================================================================
--- trunk/reactos/drivers/video/videoprt/resource.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/video/videoprt/resource.c [iso-8859-1] Sun Oct 23 02:45:09 2011
@@ -22,6 +22,166 @@
#include "videoprt.h"
/* PRIVATE FUNCTIONS **********************************************************/
+
+NTSTATUS NTAPI
+IntVideoPortGetLegacyResources(
+ IN PVIDEO_PORT_DRIVER_EXTENSION DriverExtension,
+ IN PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension,
+ OUT PVIDEO_ACCESS_RANGE *AccessRanges,
+ OUT PULONG AccessRangeCount)
+{
+ PCI_COMMON_CONFIG PciConfig;
+ ULONG ReadLength;
+
+ if (!DriverExtension->InitializationData.HwGetLegacyResources &&
+ !DriverExtension->InitializationData.HwLegacyResourceCount)
+ {
+ /* No legacy resources to report */
+ *AccessRangeCount = 0;
+ return STATUS_SUCCESS;
+ }
+
+ if (DriverExtension->InitializationData.HwGetLegacyResources)
+ {
+ ReadLength = HalGetBusData(PCIConfiguration,
+ DeviceExtension->SystemIoBusNumber,
+ DeviceExtension->SystemIoSlotNumber,
+ &PciConfig,
+ sizeof(PciConfig));
+ if (ReadLength != sizeof(PciConfig))
+ {
+ /* This device doesn't exist */
+ return STATUS_NO_SUCH_DEVICE;
+ }
+
+ DriverExtension->InitializationData.HwGetLegacyResources(PciConfig.VendorID,
+ PciConfig.DeviceID,
+ AccessRanges,
+ AccessRangeCount);
+ }
+ else
+ {
+ *AccessRanges = DriverExtension->InitializationData.HwLegacyResourceList;
+ *AccessRangeCount =
DriverExtension->InitializationData.HwLegacyResourceCount;
+ }
+
+ return STATUS_SUCCESS;
+}
+
+NTSTATUS NTAPI
+IntVideoPortFilterResourceRequirements(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN PIRP Irp)
+{
+ PDRIVER_OBJECT DriverObject;
+ PVIDEO_PORT_DRIVER_EXTENSION DriverExtension;
+ PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
+ PVIDEO_ACCESS_RANGE AccessRanges;
+ ULONG AccessRangeCount, ListSize, i;
+ PIO_RESOURCE_REQUIREMENTS_LIST ResList, OldResList =
(PVOID)Irp->IoStatus.Information;
+ PIO_RESOURCE_DESCRIPTOR CurrentDescriptor;
+ NTSTATUS Status;
+
+ DriverObject = DeviceObject->DriverObject;
+ DriverExtension = IoGetDriverObjectExtension(DriverObject, DriverObject);
+ DeviceExtension = (PVIDEO_PORT_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
+
+ Status = IntVideoPortGetLegacyResources(DriverExtension, DeviceExtension,
&AccessRanges, &AccessRangeCount);
+ if (!NT_SUCCESS(Status))
+ return Status;
+ if (!AccessRangeCount)
+ {
+ /* No legacy resources to report */
+ return Irp->IoStatus.Information;
+ }
+
+ /* OK, we've got the access ranges now. Let's set up the resource
requirements list */
+
+ if (OldResList)
+ {
+ /* Already one there so let's add to it */
+ ListSize = OldResList->ListSize + sizeof(IO_RESOURCE_DESCRIPTOR) *
AccessRangeCount;
+ ResList = ExAllocatePool(NonPagedPool,
+ ListSize);
+ if (!ResList) return STATUS_NO_MEMORY;
+
+ RtlCopyMemory(ResList, OldResList, OldResList->ListSize);
+
+ ASSERT(ResList->AlternativeLists == 1);
+
+ ResList->ListSize = ListSize;
+ ResList->List[0].Count += AccessRangeCount;
+
+ CurrentDescriptor = (PIO_RESOURCE_DESCRIPTOR)((PUCHAR)ResList +
OldResList->ListSize);
+
+ ExFreePool(OldResList);
+ Irp->IoStatus.Information = 0;
+ }
+ else
+ {
+ /* We need to make a new one */
+ ListSize = sizeof(IO_RESOURCE_REQUIREMENTS_LIST) + sizeof(IO_RESOURCE_DESCRIPTOR)
* (AccessRangeCount - 1);
+ ResList = ExAllocatePool(NonPagedPool,
+ ListSize);
+ if (!ResList) return STATUS_NO_MEMORY;
+
+ RtlZeroMemory(ResList, ListSize);
+
+ /* We need to initialize some fields */
+ ResList->ListSize = ListSize;
+ ResList->InterfaceType = DeviceExtension->AdapterInterfaceType;
+ ResList->BusNumber = DeviceExtension->SystemIoBusNumber;
+ ResList->SlotNumber = DeviceExtension->SystemIoSlotNumber;
+ ResList->AlternativeLists = 1;
+ ResList->List[0].Version = 1;
+ ResList->List[0].Revision = 1;
+ ResList->List[0].Count = AccessRangeCount;
+
+ CurrentDescriptor = ResList->List[0].Descriptors;
+ }
+
+ for (i = 0; i < AccessRangeCount; i++)
+ {
+ /* This is a required resource */
+ CurrentDescriptor->Option = 0;
+
+ if (AccessRanges[i].RangeInIoSpace)
+ CurrentDescriptor->Type = CmResourceTypePort;
+ else
+ CurrentDescriptor->Type = CmResourceTypeMemory;
+
+ CurrentDescriptor->ShareDisposition =
+ (AccessRanges[i].RangeShareable ? CmResourceShareShared :
CmResourceShareDeviceExclusive);
+
+ CurrentDescriptor->Flags = 0;
+
+ if (CurrentDescriptor->Type == CmResourceTypePort)
+ {
+ CurrentDescriptor->u.Port.Length = AccessRanges[i].RangeLength;
+ CurrentDescriptor->u.Port.MinimumAddress =
+ CurrentDescriptor->u.Port.MaximumAddress = AccessRanges[i].RangeStart;
+ CurrentDescriptor->u.Port.Alignment = 1;
+ if (AccessRanges[i].RangePassive & VIDEO_RANGE_PASSIVE_DECODE)
+ CurrentDescriptor->Flags |= CM_RESOURCE_PORT_PASSIVE_DECODE;
+ if (AccessRanges[i].RangePassive & VIDEO_RANGE_10_BIT_DECODE)
+ CurrentDescriptor->Flags |= CM_RESOURCE_PORT_10_BIT_DECODE;
+ }
+ else
+ {
+ CurrentDescriptor->u.Memory.Length = AccessRanges[i].RangeLength;
+ CurrentDescriptor->u.Memory.MinimumAddress =
+ CurrentDescriptor->u.Memory.MaximumAddress = AccessRanges[i].RangeStart;
+ CurrentDescriptor->u.Memory.Alignment = 1;
+ CurrentDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
+ }
+
+ CurrentDescriptor++;
+ }
+
+ Irp->IoStatus.Information = (ULONG_PTR)ResList;
+
+ return STATUS_SUCCESS;
+}
NTSTATUS NTAPI
IntVideoPortMapPhysicalMemory(
@@ -409,14 +569,20 @@
CM_FULL_RESOURCE_DESCRIPTOR *FullList;
CM_PARTIAL_RESOURCE_DESCRIPTOR *Descriptor;
PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
+ PVIDEO_PORT_DRIVER_EXTENSION DriverExtension;
USHORT VendorIdToFind;
USHORT DeviceIdToFind;
ULONG ReturnedLength;
+ PVIDEO_ACCESS_RANGE LegacyAccessRanges;
+ ULONG LegacyAccessRangeCount;
+ PDRIVER_OBJECT DriverObject;
BOOLEAN DeviceAndVendorFound = FALSE;
TRACE_(VIDEOPRT, "VideoPortGetAccessRanges\n");
DeviceExtension = VIDEO_PORT_GET_DEVICE_EXTENSION(HwDeviceExtension);
+ DriverObject = DeviceExtension->DriverObject;
+ DriverExtension = IoGetDriverObjectExtension(DriverObject, DriverObject);
if (NumRequestedResources == 0)
{
@@ -521,7 +687,14 @@
}
if (AllocatedResources == NULL)
return ERROR_NOT_ENOUGH_MEMORY;
- AssignedCount = 0;
+ Status = IntVideoPortGetLegacyResources(DriverExtension, DeviceExtension,
+ &LegacyAccessRanges,
&LegacyAccessRangeCount);
+ if (!NT_SUCCESS(Status))
+ return ERROR_DEV_NOT_EXIST;
+ if (NumAccessRanges < LegacyAccessRangeCount)
+ return ERROR_NOT_ENOUGH_MEMORY;
+ RtlCopyMemory(AccessRanges, LegacyAccessRanges, LegacyAccessRangeCount *
sizeof(VIDEO_ACCESS_RANGE));
+ AssignedCount = LegacyAccessRangeCount;
for (FullList = AllocatedResources->List;
FullList < AllocatedResources->List + AllocatedResources->Count;
FullList++)
Modified: trunk/reactos/drivers/video/videoprt/videoprt.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/video/videoprt/vid…
==============================================================================
--- trunk/reactos/drivers/video/videoprt/videoprt.h [iso-8859-1] (original)
+++ trunk/reactos/drivers/video/videoprt/videoprt.h [iso-8859-1] Sun Oct 23 02:45:09 2011
@@ -198,6 +198,11 @@
/* resource.c */
NTSTATUS NTAPI
+IntVideoPortFilterResourceRequirements(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN PIRP Irp);
+
+NTSTATUS NTAPI
IntVideoPortMapPhysicalMemory(
IN HANDLE Process,
IN PHYSICAL_ADDRESS PhysicalAddress,
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