+++ /dev/null
-/*
- * PROJECT: ReactOS PCI bus driver
- * FILE: pdo.c
- * PURPOSE: Child device object dispatch routines
- * PROGRAMMERS: Casper S. Hornstrup (chorns@users.sourceforge.net)
- * UPDATE HISTORY:
- * 10-09-2001 CSH Created
- */
-
-#include "pci.h"
-
-#ifndef NDEBUG
-#define NDEBUG
-#endif
-#include <debug.h>
-
-/*** PRIVATE *****************************************************************/
-
-static NTSTATUS
-PdoQueryDeviceText(
- IN PDEVICE_OBJECT DeviceObject,
- IN PIRP Irp,
- PIO_STACK_LOCATION IrpSp)
-{
- PPDO_DEVICE_EXTENSION DeviceExtension;
- UNICODE_STRING String;
- NTSTATUS Status;
-
- DPRINT("Called\n");
-
- DeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
-
- switch (IrpSp->Parameters.QueryDeviceText.DeviceTextType)
- {
- case DeviceTextDescription:
- Status = PciDuplicateUnicodeString(RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE,
- &DeviceExtension->DeviceDescription,
- &String);
-
- DPRINT("DeviceTextDescription\n");
- Irp->IoStatus.Information = (ULONG_PTR)String.Buffer;
- break;
-
- case DeviceTextLocationInformation:
- Status = PciDuplicateUnicodeString(RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE,
- &DeviceExtension->DeviceLocation,
- &String);
-
- DPRINT("DeviceTextLocationInformation\n");
- Irp->IoStatus.Information = (ULONG_PTR)String.Buffer;
- break;
-
- default:
- Irp->IoStatus.Information = 0;
- Status = STATUS_INVALID_PARAMETER;
- break;
- }
-
- return Status;
-}
-
-
-static NTSTATUS
-PdoQueryId(
- IN PDEVICE_OBJECT DeviceObject,
- IN PIRP Irp,
- PIO_STACK_LOCATION IrpSp)
-{
- PPDO_DEVICE_EXTENSION DeviceExtension;
- UNICODE_STRING String;
- NTSTATUS Status;
-
- DPRINT("Called\n");
-
- DeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
-
-// Irp->IoStatus.Information = 0;
-
- Status = STATUS_SUCCESS;
-
- RtlInitUnicodeString(&String, NULL);
-
- switch (IrpSp->Parameters.QueryId.IdType) {
- case BusQueryDeviceID:
- Status = PciDuplicateUnicodeString(
- RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE,
- &DeviceExtension->DeviceID,
- &String);
-
- DPRINT("DeviceID: %S\n", String.Buffer);
-
- Irp->IoStatus.Information = (ULONG_PTR)String.Buffer;
- break;
-
- case BusQueryHardwareIDs:
- Status = PciDuplicateUnicodeString(
- RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE,
- &DeviceExtension->HardwareIDs,
- &String);
-
- Irp->IoStatus.Information = (ULONG_PTR)String.Buffer;
- break;
-
- case BusQueryCompatibleIDs:
- Status = PciDuplicateUnicodeString(
- RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE,
- &DeviceExtension->CompatibleIDs,
- &String);
-
- Irp->IoStatus.Information = (ULONG_PTR)String.Buffer;
- break;
-
- case BusQueryInstanceID:
- Status = PciDuplicateUnicodeString(
- RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE,
- &DeviceExtension->InstanceID,
- &String);
-
- DPRINT("InstanceID: %S\n", String.Buffer);
-
- Irp->IoStatus.Information = (ULONG_PTR)String.Buffer;
- break;
-
- case BusQueryDeviceSerialNumber:
- default:
- Status = STATUS_NOT_IMPLEMENTED;
- }
-
- return Status;
-}
-
-
-static NTSTATUS
-PdoQueryBusInformation(
- IN PDEVICE_OBJECT DeviceObject,
- IN PIRP Irp,
- PIO_STACK_LOCATION IrpSp)
-{
- PPDO_DEVICE_EXTENSION DeviceExtension;
- PPNP_BUS_INFORMATION BusInformation;
-
- UNREFERENCED_PARAMETER(IrpSp);
- DPRINT("Called\n");
-
- DeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
- BusInformation = ExAllocatePool(PagedPool, sizeof(PNP_BUS_INFORMATION));
- Irp->IoStatus.Information = (ULONG_PTR)BusInformation;
- if (BusInformation != NULL)
- {
- BusInformation->BusTypeGuid = GUID_BUS_TYPE_PCI;
- BusInformation->LegacyBusType = PCIBus;
- BusInformation->BusNumber = DeviceExtension->PciDevice->BusNumber;
-
- return STATUS_SUCCESS;
- }
-
- return STATUS_INSUFFICIENT_RESOURCES;
-}
-
-
-static NTSTATUS
-PdoQueryCapabilities(
- IN PDEVICE_OBJECT DeviceObject,
- IN PIRP Irp,
- PIO_STACK_LOCATION IrpSp)
-{
- PPDO_DEVICE_EXTENSION DeviceExtension;
- PDEVICE_CAPABILITIES DeviceCapabilities;
- ULONG DeviceNumber, FunctionNumber;
-
- UNREFERENCED_PARAMETER(Irp);
- DPRINT("Called\n");
-
- DeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
- DeviceCapabilities = IrpSp->Parameters.DeviceCapabilities.Capabilities;
-
- if (DeviceCapabilities->Version != 1)
- return STATUS_UNSUCCESSFUL;
-
- DeviceNumber = DeviceExtension->PciDevice->SlotNumber.u.bits.DeviceNumber;
- FunctionNumber = DeviceExtension->PciDevice->SlotNumber.u.bits.FunctionNumber;
-
- DeviceCapabilities->UniqueID = FALSE;
- DeviceCapabilities->Address = ((DeviceNumber << 16) & 0xFFFF0000) + (FunctionNumber & 0xFFFF);
- DeviceCapabilities->UINumber = MAXULONG; /* FIXME */
-
- return STATUS_SUCCESS;
-}
-
-
-static BOOLEAN
-PdoGetRangeLength(PPDO_DEVICE_EXTENSION DeviceExtension,
- ULONG Offset,
- PULONG Base,
- PULONG Length,
- PULONG Flags)
-{
- ULONG OrigValue;
- ULONG BaseValue;
- ULONG NewValue;
- ULONG Size;
- ULONG XLength;
-
- /* Save original value */
- Size= HalGetBusDataByOffset(PCIConfiguration,
- DeviceExtension->PciDevice->BusNumber,
- DeviceExtension->PciDevice->SlotNumber.u.AsULONG,
- &OrigValue,
- Offset,
- sizeof(ULONG));
- if (Size != sizeof(ULONG))
- {
- DPRINT1("Wrong size %lu\n", Size);
- return FALSE;
- }
-
- BaseValue = (OrigValue & PCI_ADDRESS_IO_SPACE)
- ? (OrigValue & PCI_ADDRESS_IO_ADDRESS_MASK)
- : (OrigValue & PCI_ADDRESS_MEMORY_ADDRESS_MASK);
-
- *Base = BaseValue;
-
- /* Set magic value */
- NewValue = MAXULONG;
- Size= HalSetBusDataByOffset(PCIConfiguration,
- DeviceExtension->PciDevice->BusNumber,
- DeviceExtension->PciDevice->SlotNumber.u.AsULONG,
- &NewValue,
- Offset,
- sizeof(ULONG));
- if (Size != sizeof(ULONG))
- {
- DPRINT1("Wrong size %lu\n", Size);
- return FALSE;
- }
-
- /* Get the range length */
- Size= HalGetBusDataByOffset(PCIConfiguration,
- DeviceExtension->PciDevice->BusNumber,
- DeviceExtension->PciDevice->SlotNumber.u.AsULONG,
- &NewValue,
- Offset,
- sizeof(ULONG));
- if (Size != sizeof(ULONG))
- {
- DPRINT1("Wrong size %lu\n", Size);
- return FALSE;
- }
-
- /* Restore original value */
- Size= HalSetBusDataByOffset(PCIConfiguration,
- DeviceExtension->PciDevice->BusNumber,
- DeviceExtension->PciDevice->SlotNumber.u.AsULONG,
- &OrigValue,
- Offset,
- sizeof(ULONG));
- if (Size != sizeof(ULONG))
- {
- DPRINT1("Wrong size %lu\n", Size);
- return FALSE;
- }
-
- if (NewValue == 0)
- {
- DPRINT("Unused address register\n");
- *Base = 0;
- *Length = 0;
- *Flags = 0;
- return TRUE;
- }
-
- XLength = ~((NewValue & PCI_ADDRESS_IO_SPACE)
- ? (NewValue & PCI_ADDRESS_IO_ADDRESS_MASK)
- : (NewValue & PCI_ADDRESS_MEMORY_ADDRESS_MASK)) + 1;
-
-#if 0
- DbgPrint("BaseAddress 0x%08lx Length 0x%08lx",
- BaseValue, XLength);
-
- if (NewValue & PCI_ADDRESS_IO_SPACE)
- {
- DbgPrint(" IO range");
- }
- else
- {
- DbgPrint(" Memory range");
- if ((NewValue & PCI_ADDRESS_MEMORY_TYPE_MASK) == 0)
- {
- DbgPrint(" in 32-Bit address space");
- }
- else if ((NewValue & PCI_ADDRESS_MEMORY_TYPE_MASK) == 2)
- {
- DbgPrint(" below 1BM ");
- }
- else if ((NewValue & PCI_ADDRESS_MEMORY_TYPE_MASK) == 4)
- {
- DbgPrint(" in 64-Bit address space");
- }
-
- if (NewValue & PCI_ADDRESS_MEMORY_PREFETCHABLE)
- {
- DbgPrint(" prefetchable");
- }
- }
-
- DbgPrint("\n");
-#endif
-
- *Length = XLength;
- *Flags = (NewValue & PCI_ADDRESS_IO_SPACE)
- ? (NewValue & ~PCI_ADDRESS_IO_ADDRESS_MASK)
- : (NewValue & ~PCI_ADDRESS_MEMORY_ADDRESS_MASK);
-
- return TRUE;
-}
-
-
-static NTSTATUS
-PdoQueryResourceRequirements(
- IN PDEVICE_OBJECT DeviceObject,
- IN PIRP Irp,
- PIO_STACK_LOCATION IrpSp)
-{
- PPDO_DEVICE_EXTENSION DeviceExtension;
- PCI_COMMON_CONFIG PciConfig;
- PIO_RESOURCE_REQUIREMENTS_LIST ResourceList;
- PIO_RESOURCE_DESCRIPTOR Descriptor;
- ULONG Size;
- ULONG ResCount = 0;
- ULONG ListSize;
- ULONG i;
- ULONG Base;
- ULONG Length;
- ULONG Flags;
-
- UNREFERENCED_PARAMETER(IrpSp);
- DPRINT("PdoQueryResourceRequirements() called\n");
-
- DeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
-
- /* Get PCI configuration space */
- Size= HalGetBusData(PCIConfiguration,
- DeviceExtension->PciDevice->BusNumber,
- DeviceExtension->PciDevice->SlotNumber.u.AsULONG,
- &PciConfig,
- PCI_COMMON_HDR_LENGTH);
- DPRINT("Size %lu\n", Size);
- if (Size < PCI_COMMON_HDR_LENGTH)
- {
- Irp->IoStatus.Information = 0;
- return STATUS_UNSUCCESSFUL;
- }
-
- DPRINT("Command register: 0x%04hx\n", PciConfig.Command);
-
- /* Count required resource descriptors */
- ResCount = 0;
- if (PCI_CONFIGURATION_TYPE(&PciConfig) == PCI_DEVICE_TYPE)
- {
- for (i = 0; i < PCI_TYPE0_ADDRESSES; i++)
- {
- if (!PdoGetRangeLength(DeviceExtension,
- 0x10 + i * 4,
- &Base,
- &Length,
- &Flags))
- break;
-
- if (Length != 0)
- ResCount += 2;
- }
-
- /* FIXME: Check ROM address */
-
- if (PciConfig.u.type0.InterruptPin != 0)
- ResCount++;
- }
- else if (PCI_CONFIGURATION_TYPE(&PciConfig) == PCI_BRIDGE_TYPE)
- {
- for (i = 0; i < PCI_TYPE1_ADDRESSES; i++)
- {
- if (!PdoGetRangeLength(DeviceExtension,
- 0x10 + i * 4,
- &Base,
- &Length,
- &Flags))
- break;
-
- if (Length != 0)
- ResCount += 2;
- }
- if (DeviceExtension->PciDevice->PciConfig.BaseClass == PCI_CLASS_BRIDGE_DEV)
- ResCount++;
- }
- else if (PCI_CONFIGURATION_TYPE(&PciConfig) == PCI_CARDBUS_BRIDGE_TYPE)
- {
- /* FIXME: Count Cardbus bridge resources */
- }
- else
- {
- DPRINT1("Unsupported header type %u\n", PCI_CONFIGURATION_TYPE(&PciConfig));
- }
-
- if (ResCount == 0)
- {
- Irp->IoStatus.Information = 0;
- return STATUS_SUCCESS;
- }
-
- /* Calculate the resource list size */
- ListSize = FIELD_OFFSET(IO_RESOURCE_REQUIREMENTS_LIST, List[0].Descriptors)
- + ResCount * sizeof(IO_RESOURCE_DESCRIPTOR);
-
- DPRINT("ListSize %lu (0x%lx)\n", ListSize, ListSize);
-
- /* Allocate the resource requirements list */
- ResourceList = ExAllocatePoolWithTag(PagedPool,
- ListSize, TAG_PCI);
- if (ResourceList == NULL)
- {
- Irp->IoStatus.Information = 0;
- return STATUS_INSUFFICIENT_RESOURCES;
- }
-
- RtlZeroMemory(ResourceList, ListSize);
- ResourceList->ListSize = ListSize;
- ResourceList->InterfaceType = PCIBus;
- ResourceList->BusNumber = DeviceExtension->PciDevice->BusNumber;
- ResourceList->SlotNumber = DeviceExtension->PciDevice->SlotNumber.u.AsULONG;
- ResourceList->AlternativeLists = 1;
-
- ResourceList->List[0].Version = 1;
- ResourceList->List[0].Revision = 1;
- ResourceList->List[0].Count = ResCount;
-
- Descriptor = &ResourceList->List[0].Descriptors[0];
- if (PCI_CONFIGURATION_TYPE(&PciConfig) == PCI_DEVICE_TYPE)
- {
- for (i = 0; i < PCI_TYPE0_ADDRESSES; i++)
- {
- if (!PdoGetRangeLength(DeviceExtension,
- 0x10 + i * 4,
- &Base,
- &Length,
- &Flags))
- {
- DPRINT1("PdoGetRangeLength() failed\n");
- break;
- }
-
- if (Length == 0)
- {
- DPRINT("Unused address register\n");
- continue;
- }
-
- /* Set preferred descriptor */
- Descriptor->Option = IO_RESOURCE_PREFERRED;
- if (Flags & PCI_ADDRESS_IO_SPACE)
- {
- Descriptor->Type = CmResourceTypePort;
- Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
- Descriptor->Flags = CM_RESOURCE_PORT_IO |
- CM_RESOURCE_PORT_16_BIT_DECODE |
- CM_RESOURCE_PORT_POSITIVE_DECODE;
-
- Descriptor->u.Port.Length = Length;
- Descriptor->u.Port.Alignment = 1;
- Descriptor->u.Port.MinimumAddress.QuadPart = (ULONGLONG)Base;
- Descriptor->u.Port.MaximumAddress.QuadPart = (ULONGLONG)(Base + Length - 1);
- }
- else
- {
- Descriptor->Type = CmResourceTypeMemory;
- Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
- Descriptor->Flags = CM_RESOURCE_MEMORY_READ_WRITE;
-
- Descriptor->u.Memory.Length = Length;
- Descriptor->u.Memory.Alignment = 1;
- Descriptor->u.Memory.MinimumAddress.QuadPart = (ULONGLONG)Base;
- Descriptor->u.Memory.MaximumAddress.QuadPart = (ULONGLONG)(Base + Length - 1);
- }
- Descriptor++;
-
- /* Set alternative descriptor */
- Descriptor->Option = IO_RESOURCE_ALTERNATIVE;
- if (Flags & PCI_ADDRESS_IO_SPACE)
- {
- Descriptor->Type = CmResourceTypePort;
- Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
- Descriptor->Flags = CM_RESOURCE_PORT_IO |
- CM_RESOURCE_PORT_16_BIT_DECODE |
- CM_RESOURCE_PORT_POSITIVE_DECODE;
-
- Descriptor->u.Port.Length = Length;
- Descriptor->u.Port.Alignment = Length;
- Descriptor->u.Port.MinimumAddress.QuadPart = (ULONGLONG)0;
- Descriptor->u.Port.MaximumAddress.QuadPart = (ULONGLONG)0x00000000FFFFFFFF;
- }
- else
- {
- Descriptor->Type = CmResourceTypeMemory;
- Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
- Descriptor->Flags = CM_RESOURCE_MEMORY_READ_WRITE;
-
- Descriptor->u.Memory.Length = Length;
- Descriptor->u.Memory.Alignment = Length;
- Descriptor->u.Port.MinimumAddress.QuadPart = (ULONGLONG)0;
- Descriptor->u.Port.MaximumAddress.QuadPart = (ULONGLONG)0x00000000FFFFFFFF;
- }
- Descriptor++;
- }
-
- /* FIXME: Check ROM address */
-
- if (PciConfig.u.type0.InterruptPin != 0)
- {
- Descriptor->Option = 0; /* Required */
- Descriptor->Type = CmResourceTypeInterrupt;
- Descriptor->ShareDisposition = CmResourceShareShared;
- Descriptor->Flags = CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE;
-
- Descriptor->u.Interrupt.MinimumVector = 0;
- Descriptor->u.Interrupt.MaximumVector = 0xFF;
- }
- }
- else if (PCI_CONFIGURATION_TYPE(&PciConfig) == PCI_BRIDGE_TYPE)
- {
- for (i = 0; i < PCI_TYPE1_ADDRESSES; i++)
- {
- if (!PdoGetRangeLength(DeviceExtension,
- 0x10 + i * 4,
- &Base,
- &Length,
- &Flags))
- {
- DPRINT1("PdoGetRangeLength() failed\n");
- break;
- }
-
- if (Length == 0)
- {
- DPRINT("Unused address register\n");
- continue;
- }
-
- /* Set preferred descriptor */
- Descriptor->Option = IO_RESOURCE_PREFERRED;
- if (Flags & PCI_ADDRESS_IO_SPACE)
- {
- Descriptor->Type = CmResourceTypePort;
- Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
- Descriptor->Flags = CM_RESOURCE_PORT_IO |
- CM_RESOURCE_PORT_16_BIT_DECODE |
- CM_RESOURCE_PORT_POSITIVE_DECODE;
-
- Descriptor->u.Port.Length = Length;
- Descriptor->u.Port.Alignment = 1;
- Descriptor->u.Port.MinimumAddress.QuadPart = (ULONGLONG)Base;
- Descriptor->u.Port.MaximumAddress.QuadPart = (ULONGLONG)(Base + Length - 1);
- }
- else
- {
- Descriptor->Type = CmResourceTypeMemory;
- Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
- Descriptor->Flags = CM_RESOURCE_MEMORY_READ_WRITE;
-
- Descriptor->u.Memory.Length = Length;
- Descriptor->u.Memory.Alignment = 1;
- Descriptor->u.Memory.MinimumAddress.QuadPart = (ULONGLONG)Base;
- Descriptor->u.Memory.MaximumAddress.QuadPart = (ULONGLONG)(Base + Length - 1);
- }
- Descriptor++;
-
- /* Set alternative descriptor */
- Descriptor->Option = IO_RESOURCE_ALTERNATIVE;
- if (Flags & PCI_ADDRESS_IO_SPACE)
- {
- Descriptor->Type = CmResourceTypePort;
- Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
- Descriptor->Flags = CM_RESOURCE_PORT_IO |
- CM_RESOURCE_PORT_16_BIT_DECODE |
- CM_RESOURCE_PORT_POSITIVE_DECODE;
-
- Descriptor->u.Port.Length = Length;
- Descriptor->u.Port.Alignment = Length;
- Descriptor->u.Port.MinimumAddress.QuadPart = (ULONGLONG)0;
- Descriptor->u.Port.MaximumAddress.QuadPart = (ULONGLONG)0x00000000FFFFFFFF;
- }
- else
- {
- Descriptor->Type = CmResourceTypeMemory;
- Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
- Descriptor->Flags = CM_RESOURCE_MEMORY_READ_WRITE;
-
- Descriptor->u.Memory.Length = Length;
- Descriptor->u.Memory.Alignment = Length;
- Descriptor->u.Port.MinimumAddress.QuadPart = (ULONGLONG)0;
- Descriptor->u.Port.MaximumAddress.QuadPart = (ULONGLONG)0x00000000FFFFFFFF;
- }
- Descriptor++;
- }
- if (DeviceExtension->PciDevice->PciConfig.BaseClass == PCI_CLASS_BRIDGE_DEV)
- {
- Descriptor->Option = 0; /* Required */
- Descriptor->Type = CmResourceTypeBusNumber;
- Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
-
- ResourceList->BusNumber =
- Descriptor->u.BusNumber.MinBusNumber =
- Descriptor->u.BusNumber.MaxBusNumber = DeviceExtension->PciDevice->PciConfig.u.type1.SecondaryBus;
- Descriptor->u.BusNumber.Length = 1;
- Descriptor->u.BusNumber.Reserved = 0;
- }
- }
- else if (PCI_CONFIGURATION_TYPE(&PciConfig) == PCI_CARDBUS_BRIDGE_TYPE)
- {
- /* FIXME: Add Cardbus bridge resources */
- }
-
- Irp->IoStatus.Information = (ULONG_PTR)ResourceList;
-
- return STATUS_SUCCESS;
-}
-
-
-static NTSTATUS
-PdoQueryResources(
- IN PDEVICE_OBJECT DeviceObject,
- IN PIRP Irp,
- PIO_STACK_LOCATION IrpSp)
-{
- PPDO_DEVICE_EXTENSION DeviceExtension;
- PCI_COMMON_CONFIG PciConfig;
- PCM_RESOURCE_LIST ResourceList;
- PCM_PARTIAL_RESOURCE_LIST PartialList;
- PCM_PARTIAL_RESOURCE_DESCRIPTOR Descriptor;
- ULONG Size;
- ULONG ResCount = 0;
- ULONG ListSize;
- ULONG i;
- ULONG Base;
- ULONG Length;
- ULONG Flags;
-
- DPRINT("PdoQueryResources() called\n");
-
- UNREFERENCED_PARAMETER(IrpSp);
- DeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
-
- /* Get PCI configuration space */
- Size= HalGetBusData(PCIConfiguration,
- DeviceExtension->PciDevice->BusNumber,
- DeviceExtension->PciDevice->SlotNumber.u.AsULONG,
- &PciConfig,
- PCI_COMMON_HDR_LENGTH);
- DPRINT("Size %lu\n", Size);
- if (Size < PCI_COMMON_HDR_LENGTH)
- {
- Irp->IoStatus.Information = 0;
- return STATUS_UNSUCCESSFUL;
- }
-
- DPRINT("Command register: 0x%04hx\n", PciConfig.Command);
-
- /* Count required resource descriptors */
- ResCount = 0;
- if (PCI_CONFIGURATION_TYPE(&PciConfig) == PCI_DEVICE_TYPE)
- {
- for (i = 0; i < PCI_TYPE0_ADDRESSES; i++)
- {
- if (!PdoGetRangeLength(DeviceExtension,
- 0x10 + i * 4,
- &Base,
- &Length,
- &Flags))
- break;
-
- if (Length)
- ResCount++;
- }
-
- if ((PciConfig.u.type0.InterruptPin != 0) &&
- (PciConfig.u.type0.InterruptLine != 0) &&
- (PciConfig.u.type0.InterruptLine != 0xFF))
- ResCount++;
- }
- else if (PCI_CONFIGURATION_TYPE(&PciConfig) == PCI_BRIDGE_TYPE)
- {
- for (i = 0; i < PCI_TYPE1_ADDRESSES; i++)
- {
- if (!PdoGetRangeLength(DeviceExtension,
- 0x10 + i * 4,
- &Base,
- &Length,
- &Flags))
- break;
-
- if (Length != 0)
- ResCount++;
- }
- if (DeviceExtension->PciDevice->PciConfig.BaseClass == PCI_CLASS_BRIDGE_DEV)
- ResCount++;
- }
- else if (PCI_CONFIGURATION_TYPE(&PciConfig) == PCI_CARDBUS_BRIDGE_TYPE)
- {
- /* FIXME: Count Cardbus bridge resources */
- }
- else
- {
- DPRINT1("Unsupported header type %u\n", PCI_CONFIGURATION_TYPE(&PciConfig));
- }
-
- if (ResCount == 0)
- {
- Irp->IoStatus.Information = 0;
- return STATUS_SUCCESS;
- }
-
- /* Calculate the resource list size */
- ListSize = FIELD_OFFSET(CM_RESOURCE_LIST, List[0].PartialResourceList.PartialDescriptors)
- + ResCount * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
-
- /* Allocate the resource list */
- ResourceList = ExAllocatePoolWithTag(PagedPool,
- ListSize, TAG_PCI);
- if (ResourceList == NULL)
- return STATUS_INSUFFICIENT_RESOURCES;
-
- RtlZeroMemory(ResourceList, ListSize);
- ResourceList->Count = 1;
- ResourceList->List[0].InterfaceType = PCIBus;
- ResourceList->List[0].BusNumber = DeviceExtension->PciDevice->BusNumber;
-
- PartialList = &ResourceList->List[0].PartialResourceList;
- PartialList->Version = 1;
- PartialList->Revision = 1;
- PartialList->Count = ResCount;
-
- Descriptor = &PartialList->PartialDescriptors[0];
- if (PCI_CONFIGURATION_TYPE(&PciConfig) == PCI_DEVICE_TYPE)
- {
- for (i = 0; i < PCI_TYPE0_ADDRESSES; i++)
- {
- if (!PdoGetRangeLength(DeviceExtension,
- 0x10 + i * 4,
- &Base,
- &Length,
- &Flags))
- {
- DPRINT1("PdoGetRangeLength() failed\n");
- break;
- }
-
- if (Length == 0)
- {
- DPRINT("Unused address register\n");
- continue;
- }
-
- if (Flags & PCI_ADDRESS_IO_SPACE)
- {
- Descriptor->Type = CmResourceTypePort;
- Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
- Descriptor->Flags = CM_RESOURCE_PORT_IO;
- Descriptor->u.Port.Start.QuadPart =
- (ULONGLONG)Base;
- Descriptor->u.Port.Length = Length;
- }
- else
- {
- Descriptor->Type = CmResourceTypeMemory;
- Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
- Descriptor->Flags = CM_RESOURCE_MEMORY_READ_WRITE;
- Descriptor->u.Memory.Start.QuadPart =
- (ULONGLONG)Base;
- Descriptor->u.Memory.Length = Length;
- }
-
- Descriptor++;
- }
-
- /* Add interrupt resource */
- if ((PciConfig.u.type0.InterruptPin != 0) &&
- (PciConfig.u.type0.InterruptLine != 0) &&
- (PciConfig.u.type0.InterruptLine != 0xFF))
- {
- Descriptor->Type = CmResourceTypeInterrupt;
- Descriptor->ShareDisposition = CmResourceShareShared;
- Descriptor->Flags = CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE;
- Descriptor->u.Interrupt.Level = PciConfig.u.type0.InterruptLine;
- Descriptor->u.Interrupt.Vector = PciConfig.u.type0.InterruptLine;
- Descriptor->u.Interrupt.Affinity = 0xFFFFFFFF;
- }
- }
- else if (PCI_CONFIGURATION_TYPE(&PciConfig) == PCI_BRIDGE_TYPE)
- {
- for (i = 0; i < PCI_TYPE1_ADDRESSES; i++)
- {
- if (!PdoGetRangeLength(DeviceExtension,
- 0x10 + i * 4,
- &Base,
- &Length,
- &Flags))
- {
- DPRINT1("PdoGetRangeLength() failed\n");
- break;
- }
-
- if (Length == 0)
- {
- DPRINT("Unused address register\n");
- continue;
- }
-
- if (Flags & PCI_ADDRESS_IO_SPACE)
- {
- Descriptor->Type = CmResourceTypePort;
- Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
- Descriptor->Flags = CM_RESOURCE_PORT_IO;
- Descriptor->u.Port.Start.QuadPart =
- (ULONGLONG)Base;
- Descriptor->u.Port.Length = Length;
- }
- else
- {
- Descriptor->Type = CmResourceTypeMemory;
- Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
- Descriptor->Flags = CM_RESOURCE_MEMORY_READ_WRITE;
- Descriptor->u.Memory.Start.QuadPart =
- (ULONGLONG)Base;
- Descriptor->u.Memory.Length = Length;
- }
-
- Descriptor++;
- }
- if (DeviceExtension->PciDevice->PciConfig.BaseClass == PCI_CLASS_BRIDGE_DEV)
- {
- Descriptor->Type = CmResourceTypeBusNumber;
- Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
-
- ResourceList->List[0].BusNumber =
- Descriptor->u.BusNumber.Start = DeviceExtension->PciDevice->PciConfig.u.type1.SecondaryBus;
- Descriptor->u.BusNumber.Length = 1;
- Descriptor->u.BusNumber.Reserved = 0;
- }
- }
- else if (PCI_CONFIGURATION_TYPE(&PciConfig) == PCI_CARDBUS_BRIDGE_TYPE)
- {
- /* FIXME: Add Cardbus bridge resources */
- }
-
- Irp->IoStatus.Information = (ULONG_PTR)ResourceList;
-
- return STATUS_SUCCESS;
-}
-
-
-static VOID NTAPI
-InterfaceReference(
- IN PVOID Context)
-{
- PPDO_DEVICE_EXTENSION DeviceExtension;
-
- DPRINT("InterfaceReference(%p)\n", Context);
-
- DeviceExtension = (PPDO_DEVICE_EXTENSION)((PDEVICE_OBJECT)Context)->DeviceExtension;
- InterlockedIncrement(&DeviceExtension->References);
-}
-
-
-static VOID NTAPI
-InterfaceDereference(
- IN PVOID Context)
-{
- PPDO_DEVICE_EXTENSION DeviceExtension;
-
- DPRINT("InterfaceDereference(%p)\n", Context);
-
- DeviceExtension = (PPDO_DEVICE_EXTENSION)((PDEVICE_OBJECT)Context)->DeviceExtension;
- InterlockedDecrement(&DeviceExtension->References);
-}
-
-
-static BOOLEAN NTAPI
-InterfaceBusTranslateBusAddress(
- IN PVOID Context,
- IN PHYSICAL_ADDRESS BusAddress,
- IN ULONG Length,
- IN OUT PULONG AddressSpace,
- OUT PPHYSICAL_ADDRESS TranslatedAddress)
-{
- PPDO_DEVICE_EXTENSION DeviceExtension;
-
- DPRINT("InterfaceBusTranslateBusAddress(%p %p 0x%lx %p %p)\n",
- Context, BusAddress, Length, AddressSpace, TranslatedAddress);
-
- DeviceExtension = (PPDO_DEVICE_EXTENSION)((PDEVICE_OBJECT)Context)->DeviceExtension;
-
- return HalTranslateBusAddress(
- PCIBus, DeviceExtension->PciDevice->BusNumber,
- BusAddress, AddressSpace, TranslatedAddress);
-}
-
-
-static PDMA_ADAPTER NTAPI
-InterfaceBusGetDmaAdapter(
- IN PVOID Context,
- IN PDEVICE_DESCRIPTION DeviceDescription,
- OUT PULONG NumberOfMapRegisters)
-{
- DPRINT("InterfaceBusGetDmaAdapter(%p %p %p)\n",
- Context, DeviceDescription, NumberOfMapRegisters);
- return (PDMA_ADAPTER)HalGetAdapter(DeviceDescription, NumberOfMapRegisters);
-}
-
-
-static ULONG NTAPI
-InterfaceBusSetBusData(
- IN PVOID Context,
- IN ULONG DataType,
- IN PVOID Buffer,
- IN ULONG Offset,
- IN ULONG Length)
-{
- PPDO_DEVICE_EXTENSION DeviceExtension;
- ULONG Size;
-
- DPRINT("InterfaceBusSetBusData(%p 0x%lx %p 0x%lx 0x%lx)\n",
- Context, DataType, Buffer, Offset, Length);
-
- if (DataType != PCI_WHICHSPACE_CONFIG)
- {
- DPRINT("Unknown DataType %lu\n", DataType);
- return 0;
- }
-
- DeviceExtension = (PPDO_DEVICE_EXTENSION)((PDEVICE_OBJECT)Context)->DeviceExtension;
-
- /* Get PCI configuration space */
- Size = HalSetBusDataByOffset(PCIConfiguration,
- DeviceExtension->PciDevice->BusNumber,
- DeviceExtension->PciDevice->SlotNumber.u.AsULONG,
- Buffer,
- Offset,
- Length);
- return Size;
-}
-
-
-static ULONG NTAPI
-InterfaceBusGetBusData(
- IN PVOID Context,
- IN ULONG DataType,
- IN PVOID Buffer,
- IN ULONG Offset,
- IN ULONG Length)
-{
- PPDO_DEVICE_EXTENSION DeviceExtension;
- ULONG Size;
-
- DPRINT("InterfaceBusGetBusData(%p 0x%lx %p 0x%lx 0x%lx) called\n",
- Context, DataType, Buffer, Offset, Length);
-
- if (DataType != PCI_WHICHSPACE_CONFIG)
- {
- DPRINT("Unknown DataType %lu\n", DataType);
- return 0;
- }
-
- DeviceExtension = (PPDO_DEVICE_EXTENSION)((PDEVICE_OBJECT)Context)->DeviceExtension;
-
- /* Get PCI configuration space */
- Size = HalGetBusDataByOffset(PCIConfiguration,
- DeviceExtension->PciDevice->BusNumber,
- DeviceExtension->PciDevice->SlotNumber.u.AsULONG,
- Buffer,
- Offset,
- Length);
- return Size;
-}
-
-
-static BOOLEAN NTAPI
-InterfacePciDevicePresent(
- IN USHORT VendorID,
- IN USHORT DeviceID,
- IN UCHAR RevisionID,
- IN USHORT SubVendorID,
- IN USHORT SubSystemID,
- IN ULONG Flags)
-{
- PFDO_DEVICE_EXTENSION FdoDeviceExtension;
- PPCI_DEVICE PciDevice;
- PLIST_ENTRY CurrentBus, CurrentEntry;
- KIRQL OldIrql;
- BOOLEAN Found = FALSE;
-
- KeAcquireSpinLock(&DriverExtension->BusListLock, &OldIrql);
- CurrentBus = DriverExtension->BusListHead.Flink;
- while (!Found && CurrentBus != &DriverExtension->BusListHead)
- {
- FdoDeviceExtension = CONTAINING_RECORD(CurrentBus, FDO_DEVICE_EXTENSION, ListEntry);
-
- KeAcquireSpinLockAtDpcLevel(&FdoDeviceExtension->DeviceListLock);
- CurrentEntry = FdoDeviceExtension->DeviceListHead.Flink;
- while (!Found && CurrentEntry != &FdoDeviceExtension->DeviceListHead)
- {
- PciDevice = CONTAINING_RECORD(CurrentEntry, PCI_DEVICE, ListEntry);
- if (PciDevice->PciConfig.VendorID == VendorID &&
- PciDevice->PciConfig.DeviceID == DeviceID)
- {
- if (!(Flags & PCI_USE_SUBSYSTEM_IDS) || (
- PciDevice->PciConfig.u.type0.SubVendorID == SubVendorID &&
- PciDevice->PciConfig.u.type0.SubSystemID == SubSystemID))
- {
- if (!(Flags & PCI_USE_REVISION) ||
- PciDevice->PciConfig.RevisionID == RevisionID)
- {
- DPRINT("Found the PCI device\n");
- Found = TRUE;
- }
- }
- }
-
- CurrentEntry = CurrentEntry->Flink;
- }
-
- KeReleaseSpinLockFromDpcLevel(&FdoDeviceExtension->DeviceListLock);
- CurrentBus = CurrentBus->Flink;
- }
- KeReleaseSpinLock(&DriverExtension->BusListLock, OldIrql);
-
- return Found;
-}
-
-
-static BOOLEAN
-CheckPciDevice(
- IN PPCI_COMMON_CONFIG PciConfig,
- IN PPCI_DEVICE_PRESENCE_PARAMETERS Parameters)
-{
- if ((Parameters->Flags & PCI_USE_VENDEV_IDS) && (
- PciConfig->VendorID != Parameters->VendorID ||
- PciConfig->DeviceID != Parameters->DeviceID))
- {
- return FALSE;
- }
- if ((Parameters->Flags & PCI_USE_CLASS_SUBCLASS) && (
- PciConfig->BaseClass != Parameters->BaseClass ||
- PciConfig->SubClass != Parameters->SubClass))
- {
- return FALSE;
- }
- if ((Parameters->Flags & PCI_USE_PROGIF) &&
- PciConfig->ProgIf != Parameters->ProgIf)
- {
- return FALSE;
- }
- if ((Parameters->Flags & PCI_USE_SUBSYSTEM_IDS) && (
- PciConfig->u.type0.SubVendorID != Parameters->SubVendorID ||
- PciConfig->u.type0.SubSystemID != Parameters->SubSystemID))
- {
- return FALSE;
- }
- if ((Parameters->Flags & PCI_USE_REVISION) &&
- PciConfig->RevisionID != Parameters->RevisionID)
- {
- return FALSE;
- }
- return TRUE;
-}
-
-
-static BOOLEAN NTAPI
-InterfacePciDevicePresentEx(
- IN PVOID Context,
- IN PPCI_DEVICE_PRESENCE_PARAMETERS Parameters)
-{
- PPDO_DEVICE_EXTENSION DeviceExtension;
- PFDO_DEVICE_EXTENSION MyFdoDeviceExtension;
- PFDO_DEVICE_EXTENSION FdoDeviceExtension;
- PPCI_DEVICE PciDevice;
- PLIST_ENTRY CurrentBus, CurrentEntry;
- KIRQL OldIrql;
- BOOLEAN Found = FALSE;
-
- DPRINT("InterfacePciDevicePresentEx(%p %p) called\n",
- Context, Parameters);
-
- if (!Parameters || Parameters->Size != sizeof(PCI_DEVICE_PRESENCE_PARAMETERS))
- return FALSE;
-
- DeviceExtension = (PPDO_DEVICE_EXTENSION)((PDEVICE_OBJECT)Context)->DeviceExtension;
- MyFdoDeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceExtension->Fdo->DeviceExtension;
-
- if (Parameters->Flags & PCI_USE_LOCAL_DEVICE)
- {
- return CheckPciDevice(&DeviceExtension->PciDevice->PciConfig, Parameters);
- }
-
- KeAcquireSpinLock(&DriverExtension->BusListLock, &OldIrql);
- CurrentBus = DriverExtension->BusListHead.Flink;
- while (!Found && CurrentBus != &DriverExtension->BusListHead)
- {
- FdoDeviceExtension = CONTAINING_RECORD(CurrentBus, FDO_DEVICE_EXTENSION, ListEntry);
- if (!(Parameters->Flags & PCI_USE_LOCAL_BUS) || FdoDeviceExtension == MyFdoDeviceExtension)
- {
- KeAcquireSpinLockAtDpcLevel(&FdoDeviceExtension->DeviceListLock);
- CurrentEntry = FdoDeviceExtension->DeviceListHead.Flink;
- while (!Found && CurrentEntry != &FdoDeviceExtension->DeviceListHead)
- {
- PciDevice = CONTAINING_RECORD(CurrentEntry, PCI_DEVICE, ListEntry);
-
- if (CheckPciDevice(&PciDevice->PciConfig, Parameters))
- {
- DPRINT("Found the PCI device\n");
- Found = TRUE;
- }
-
- CurrentEntry = CurrentEntry->Flink;
- }
-
- KeReleaseSpinLockFromDpcLevel(&FdoDeviceExtension->DeviceListLock);
- }
- CurrentBus = CurrentBus->Flink;
- }
- KeReleaseSpinLock(&DriverExtension->BusListLock, OldIrql);
-
- return Found;
-}
-
-
-static NTSTATUS
-PdoQueryInterface(
- IN PDEVICE_OBJECT DeviceObject,
- IN PIRP Irp,
- PIO_STACK_LOCATION IrpSp)
-{
- NTSTATUS Status;
-
- UNREFERENCED_PARAMETER(Irp);
- if (RtlCompareMemory(IrpSp->Parameters.QueryInterface.InterfaceType,
- &GUID_BUS_INTERFACE_STANDARD, sizeof(GUID)) == sizeof(GUID))
- {
- /* BUS_INTERFACE_STANDARD */
- if (IrpSp->Parameters.QueryInterface.Version < 1)
- Status = STATUS_NOT_SUPPORTED;
- else if (IrpSp->Parameters.QueryInterface.Size < sizeof(BUS_INTERFACE_STANDARD))
- Status = STATUS_BUFFER_TOO_SMALL;
- else
- {
- PBUS_INTERFACE_STANDARD BusInterface;
- BusInterface = (PBUS_INTERFACE_STANDARD)IrpSp->Parameters.QueryInterface.Interface;
- BusInterface->Size = sizeof(BUS_INTERFACE_STANDARD);
- BusInterface->Version = 1;
- BusInterface->TranslateBusAddress = InterfaceBusTranslateBusAddress;
- BusInterface->GetDmaAdapter = InterfaceBusGetDmaAdapter;
- BusInterface->SetBusData = InterfaceBusSetBusData;
- BusInterface->GetBusData = InterfaceBusGetBusData;
- Status = STATUS_SUCCESS;
- }
- }
- else if (RtlCompareMemory(IrpSp->Parameters.QueryInterface.InterfaceType,
- &GUID_PCI_DEVICE_PRESENT_INTERFACE, sizeof(GUID)) == sizeof(GUID))
- {
- /* PCI_DEVICE_PRESENT_INTERFACE */
- if (IrpSp->Parameters.QueryInterface.Version < 1)
- Status = STATUS_NOT_SUPPORTED;
- else if (IrpSp->Parameters.QueryInterface.Size < sizeof(PCI_DEVICE_PRESENT_INTERFACE))
- Status = STATUS_BUFFER_TOO_SMALL;
- else
- {
- PPCI_DEVICE_PRESENT_INTERFACE PciDevicePresentInterface;
- PciDevicePresentInterface = (PPCI_DEVICE_PRESENT_INTERFACE)IrpSp->Parameters.QueryInterface.Interface;
- PciDevicePresentInterface->Size = sizeof(PCI_DEVICE_PRESENT_INTERFACE);
- PciDevicePresentInterface->Version = 1;
- PciDevicePresentInterface->IsDevicePresent = InterfacePciDevicePresent;
- PciDevicePresentInterface->IsDevicePresentEx = InterfacePciDevicePresentEx;
- Status = STATUS_SUCCESS;
- }
- }
- else
- {
- /* Not a supported interface */
- return STATUS_NOT_SUPPORTED;
- }
-
- if (NT_SUCCESS(Status))
- {
- /* Add a reference for the returned interface */
- PINTERFACE Interface;
- Interface = (PINTERFACE)IrpSp->Parameters.QueryInterface.Interface;
- Interface->Context = DeviceObject;
- Interface->InterfaceReference = InterfaceReference;
- Interface->InterfaceDereference = InterfaceDereference;
- Interface->InterfaceReference(Interface->Context);
- }
-
- return Status;
-}
-
-static NTSTATUS
-PdoStartDevice(
- IN PDEVICE_OBJECT DeviceObject,
- IN PIRP Irp,
- PIO_STACK_LOCATION IrpSp)
-{
- PCM_RESOURCE_LIST RawResList = IrpSp->Parameters.StartDevice.AllocatedResources;
- PCM_FULL_RESOURCE_DESCRIPTOR RawFullDesc;
- PCM_PARTIAL_RESOURCE_DESCRIPTOR RawPartialDesc;
- ULONG i, ii;
- PPDO_DEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
- UCHAR Irq;
-
- if (!RawResList)
- return STATUS_SUCCESS;
-
- /* TODO: Assign the other resources we get to the card */
-
- for (i = 0; i < RawResList->Count; i++)
- {
- RawFullDesc = &RawResList->List[i];
-
- for (ii = 0; ii < RawFullDesc->PartialResourceList.Count; ii++)
- {
- RawPartialDesc = &RawFullDesc->PartialResourceList.PartialDescriptors[ii];
-
- if (RawPartialDesc->Type == CmResourceTypeInterrupt)
- {
- DPRINT1("Assigning IRQ %x to PCI device (%x, %x)\n",
- RawPartialDesc->u.Interrupt.Vector,
- DeviceExtension->PciDevice->SlotNumber.u.AsULONG,
- DeviceExtension->PciDevice->BusNumber);
-
- Irq = (UCHAR)RawPartialDesc->u.Interrupt.Vector;
- HalSetBusDataByOffset(PCIConfiguration,
- DeviceExtension->PciDevice->BusNumber,
- DeviceExtension->PciDevice->SlotNumber.u.AsULONG,
- &Irq,
- 0x3c /* PCI_INTERRUPT_LINE */,
- sizeof(UCHAR));
- }
- }
- }
-
- return STATUS_SUCCESS;
-}
-
-static NTSTATUS
-PdoReadConfig(
- IN PDEVICE_OBJECT DeviceObject,
- IN PIRP Irp,
- PIO_STACK_LOCATION IrpSp)
-{
- ULONG Size;
-
- DPRINT("PdoReadConfig() called\n");
-
- Size = InterfaceBusGetBusData(
- DeviceObject,
- IrpSp->Parameters.ReadWriteConfig.WhichSpace,
- IrpSp->Parameters.ReadWriteConfig.Buffer,
- IrpSp->Parameters.ReadWriteConfig.Offset,
- IrpSp->Parameters.ReadWriteConfig.Length);
-
- if (Size != IrpSp->Parameters.ReadWriteConfig.Length)
- {
- DPRINT1("Size %lu Length %lu\n", Size, IrpSp->Parameters.ReadWriteConfig.Length);
- Irp->IoStatus.Information = 0;
- return STATUS_UNSUCCESSFUL;
- }
-
- Irp->IoStatus.Information = Size;
-
- return STATUS_SUCCESS;
-}
-
-
-static NTSTATUS
-PdoWriteConfig(
- IN PDEVICE_OBJECT DeviceObject,
- IN PIRP Irp,
- PIO_STACK_LOCATION IrpSp)
-{
- ULONG Size;
-
- DPRINT1("PdoWriteConfig() called\n");
-
- /* Get PCI configuration space */
- Size = InterfaceBusSetBusData(
- DeviceObject,
- IrpSp->Parameters.ReadWriteConfig.WhichSpace,
- IrpSp->Parameters.ReadWriteConfig.Buffer,
- IrpSp->Parameters.ReadWriteConfig.Offset,
- IrpSp->Parameters.ReadWriteConfig.Length);
-
- if (Size != IrpSp->Parameters.ReadWriteConfig.Length)
- {
- DPRINT1("Size %lu Length %lu\n", Size, IrpSp->Parameters.ReadWriteConfig.Length);
- Irp->IoStatus.Information = 0;
- return STATUS_UNSUCCESSFUL;
- }
-
- Irp->IoStatus.Information = Size;
-
- return STATUS_SUCCESS;
-}
-
-static NTSTATUS
-PdoQueryDeviceRelations(
- IN PDEVICE_OBJECT DeviceObject,
- IN PIRP Irp,
- PIO_STACK_LOCATION IrpSp)
-{
- PDEVICE_RELATIONS DeviceRelations;
-
- /* We only support TargetDeviceRelation for child PDOs */
- if (IrpSp->Parameters.QueryDeviceRelations.Type != TargetDeviceRelation)
- return Irp->IoStatus.Status;
-
- /* We can do this because we only return 1 PDO for TargetDeviceRelation */
- DeviceRelations = ExAllocatePool(PagedPool, sizeof(*DeviceRelations));
- if (!DeviceRelations)
- return STATUS_INSUFFICIENT_RESOURCES;
-
- DeviceRelations->Count = 1;
- DeviceRelations->Objects[0] = DeviceObject;
-
- /* The PnP manager will remove this when it is done with the PDO */
- ObReferenceObject(DeviceObject);
-
- Irp->IoStatus.Information = (ULONG_PTR)DeviceRelations;
-
- return STATUS_SUCCESS;
-}
-
-static NTSTATUS
-PdoSetPower(
- IN PDEVICE_OBJECT DeviceObject,
- IN PIRP Irp,
- PIO_STACK_LOCATION IrpSp)
-{
- NTSTATUS Status;
-
- UNREFERENCED_PARAMETER(Irp);
- DPRINT("Called\n");
-
- if (IrpSp->Parameters.Power.Type == DevicePowerState) {
- Status = STATUS_SUCCESS;
- switch (IrpSp->Parameters.Power.State.SystemState) {
- default:
- Status = STATUS_UNSUCCESSFUL;
- }
- } else {
- Status = STATUS_UNSUCCESSFUL;
- }
-
- return Status;
-}
-
-
-/*** PUBLIC ******************************************************************/
-
-NTSTATUS
-PdoPnpControl(
- PDEVICE_OBJECT DeviceObject,
- PIRP Irp)
-/*
- * FUNCTION: Handle Plug and Play IRPs for the child device
- * ARGUMENTS:
- * DeviceObject = Pointer to physical device object of the child device
- * Irp = Pointer to IRP that should be handled
- * RETURNS:
- * Status
- */
-{
- PIO_STACK_LOCATION IrpSp;
- NTSTATUS Status;
-
- DPRINT("Called\n");
-
- Status = Irp->IoStatus.Status;
-
- IrpSp = IoGetCurrentIrpStackLocation(Irp);
-
- switch (IrpSp->MinorFunction) {
-
- case IRP_MN_DEVICE_USAGE_NOTIFICATION:
- DPRINT("Unimplemented IRP_MN_DEVICE_USAGE_NOTIFICATION received\n");
- break;
-
- case IRP_MN_EJECT:
- DPRINT("Unimplemented IRP_MN_EJECT received\n");
- break;
-
- case IRP_MN_QUERY_BUS_INFORMATION:
- Status = PdoQueryBusInformation(DeviceObject, Irp, IrpSp);
- break;
-
- case IRP_MN_QUERY_CAPABILITIES:
- Status = PdoQueryCapabilities(DeviceObject, Irp, IrpSp);
- break;
-
- case IRP_MN_QUERY_DEVICE_RELATIONS:
- Status = PdoQueryDeviceRelations(DeviceObject, Irp, IrpSp);
- break;
-
- case IRP_MN_QUERY_DEVICE_TEXT:
- DPRINT("IRP_MN_QUERY_DEVICE_TEXT received\n");
- Status = PdoQueryDeviceText(DeviceObject, Irp, IrpSp);
- break;
-
- case IRP_MN_QUERY_ID:
- DPRINT("IRP_MN_QUERY_ID received\n");
- Status = PdoQueryId(DeviceObject, Irp, IrpSp);
- break;
-
- case IRP_MN_QUERY_PNP_DEVICE_STATE:
- DPRINT("Unimplemented IRP_MN_QUERY_ID received\n");
- break;
-
- case IRP_MN_QUERY_RESOURCE_REQUIREMENTS:
- DPRINT("IRP_MN_QUERY_RESOURCE_REQUIREMENTS received\n");
- Status = PdoQueryResourceRequirements(DeviceObject, Irp, IrpSp);
- break;
-
- case IRP_MN_QUERY_RESOURCES:
- DPRINT("IRP_MN_QUERY_RESOURCES received\n");
- Status = PdoQueryResources(DeviceObject, Irp, IrpSp);
- break;
-
- case IRP_MN_SET_LOCK:
- DPRINT("Unimplemented IRP_MN_SET_LOCK received\n");
- break;
-
- case IRP_MN_START_DEVICE:
- Status = PdoStartDevice(DeviceObject, Irp, IrpSp);
- break;
-
- case IRP_MN_QUERY_STOP_DEVICE:
- case IRP_MN_CANCEL_STOP_DEVICE:
- case IRP_MN_STOP_DEVICE:
- case IRP_MN_QUERY_REMOVE_DEVICE:
- case IRP_MN_CANCEL_REMOVE_DEVICE:
- case IRP_MN_REMOVE_DEVICE:
- case IRP_MN_SURPRISE_REMOVAL:
- Status = STATUS_SUCCESS;
- break;
-
- case IRP_MN_QUERY_INTERFACE:
- DPRINT("IRP_MN_QUERY_INTERFACE received\n");
- Status = PdoQueryInterface(DeviceObject, Irp, IrpSp);
- break;
-
- case IRP_MN_READ_CONFIG:
- DPRINT("IRP_MN_READ_CONFIG received\n");
- Status = PdoReadConfig(DeviceObject, Irp, IrpSp);
- break;
-
- case IRP_MN_WRITE_CONFIG:
- DPRINT("IRP_MN_WRITE_CONFIG received\n");
- Status = PdoWriteConfig(DeviceObject, Irp, IrpSp);
- break;
-
- case IRP_MN_FILTER_RESOURCE_REQUIREMENTS:
- DPRINT("IRP_MN_FILTER_RESOURCE_REQUIREMENTS received\n");
- /* Nothing to do */
- Irp->IoStatus.Status = Status;
- break;
-
- default:
- DPRINT1("Unknown IOCTL 0x%lx\n", IrpSp->MinorFunction);
- break;
- }
-
- if (Status != STATUS_PENDING) {
- Irp->IoStatus.Status = Status;
- IoCompleteRequest(Irp, IO_NO_INCREMENT);
- }
-
- DPRINT("Leaving. Status 0x%X\n", Status);
-
- return Status;
-}
-
-NTSTATUS
-PdoPowerControl(
- PDEVICE_OBJECT DeviceObject,
- PIRP Irp)
-/*
- * FUNCTION: Handle power management IRPs for the child device
- * ARGUMENTS:
- * DeviceObject = Pointer to physical device object of the child device
- * Irp = Pointer to IRP that should be handled
- * RETURNS:
- * Status
- */
-{
- PIO_STACK_LOCATION IrpSp;
- NTSTATUS Status;
-
- DPRINT("Called\n");
-
- IrpSp = IoGetCurrentIrpStackLocation(Irp);
-
- switch (IrpSp->MinorFunction) {
- case IRP_MN_SET_POWER:
- Status = PdoSetPower(DeviceObject, Irp, IrpSp);
- break;
-
- default:
- DPRINT("Unknown IOCTL 0x%X\n", IrpSp->MinorFunction);
- Status = STATUS_NOT_IMPLEMENTED;
- break;
- }
-
- if (Status != STATUS_PENDING) {
- Irp->IoStatus.Status = Status;
- IoCompleteRequest(Irp, IO_NO_INCREMENT);
- }
-
- DPRINT("Leaving. Status 0x%X\n", Status);
-
- return Status;
-}
-
-/* EOF */
projects / reactos.git / blobdiff