reactos/reactos/drivers/bus/pci/pci.c
Eric Kohl 3a5f687b18 Implement:
- IRP_MN_READ_CONFIG
  - IRP_MN_WRITE_CONFIG
  - IRP_MN_QUERY_RESOURCES
  - IRP_MN_QUREY_DEVICE_TEXT

Implement (disabled):
  - IRP_MN_QUERY_ID.BusQueryInstanceID

svn path=/trunk/; revision=10570
2004-08-16 09:13:00 +00:00

527 lines
12 KiB
C

/* $Id: pci.c,v 1.8 2004/08/16 09:13:00 ekohl Exp $
*
* PROJECT: ReactOS PCI Bus driver
* FILE: pci.c
* PURPOSE: Driver entry
* PROGRAMMERS: Casper S. Hornstrup (chorns@users.sourceforge.net)
* UPDATE HISTORY:
* 10-09-2001 CSH Created
*/
#include <ddk/ntddk.h>
#include "pcidef.h"
#include "pci.h"
#define NDEBUG
#include <debug.h>
#ifdef ALLOC_PRAGMA
// Make the initialization routines discardable, so that they
// don't waste space
#pragma alloc_text(init, DriverEntry)
#endif /* ALLOC_PRAGMA */
/*** PUBLIC ******************************************************************/
/*** PRIVATE *****************************************************************/
NTSTATUS
STDCALL
PciDispatchDeviceControl(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PIO_STACK_LOCATION IrpSp;
NTSTATUS Status;
DPRINT("Called. IRP is at (0x%X)\n", Irp);
Irp->IoStatus.Information = 0;
IrpSp = IoGetCurrentIrpStackLocation(Irp);
switch (IrpSp->Parameters.DeviceIoControl.IoControlCode) {
default:
DPRINT("Unknown IOCTL 0x%X\n", IrpSp->Parameters.DeviceIoControl.IoControlCode);
Status = STATUS_NOT_IMPLEMENTED;
break;
}
if (Status != STATUS_PENDING) {
Irp->IoStatus.Status = Status;
DPRINT("Completing IRP at 0x%X\n", Irp);
IoCompleteRequest(Irp, IO_NO_INCREMENT);
}
DPRINT("Leaving. Status 0x%X\n", Status);
return Status;
}
NTSTATUS
STDCALL
PciPnpControl(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
/*
* FUNCTION: Handle Plug and Play IRPs
* ARGUMENTS:
* DeviceObject = Pointer to PDO or FDO
* Irp = Pointer to IRP that should be handled
* RETURNS:
* Status
*/
{
PCOMMON_DEVICE_EXTENSION DeviceExtension;
NTSTATUS Status;
DeviceExtension = (PCOMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
DPRINT("IsFDO %d\n", DeviceExtension->IsFDO);
if (DeviceExtension->IsFDO) {
Status = FdoPnpControl(DeviceObject, Irp);
} else {
Status = PdoPnpControl(DeviceObject, Irp);
}
return Status;
}
NTSTATUS
STDCALL
PciPowerControl(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
/*
* FUNCTION: Handle power management IRPs
* ARGUMENTS:
* DeviceObject = Pointer to PDO or FDO
* Irp = Pointer to IRP that should be handled
* RETURNS:
* Status
*/
{
PCOMMON_DEVICE_EXTENSION DeviceExtension;
NTSTATUS Status;
DeviceExtension = (PCOMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
if (DeviceExtension->IsFDO) {
Status = FdoPowerControl(DeviceObject, Irp);
} else {
Status = PdoPowerControl(DeviceObject, Irp);
}
return Status;
}
NTSTATUS
STDCALL
PciAddDevice(
IN PDRIVER_OBJECT DriverObject,
IN PDEVICE_OBJECT PhysicalDeviceObject)
{
PFDO_DEVICE_EXTENSION DeviceExtension;
PDEVICE_OBJECT Fdo;
NTSTATUS Status;
DPRINT("Called\n");
Status = IoCreateDevice(DriverObject, sizeof(FDO_DEVICE_EXTENSION),
NULL, FILE_DEVICE_BUS_EXTENDER, FILE_DEVICE_SECURE_OPEN, TRUE, &Fdo);
if (!NT_SUCCESS(Status)) {
DPRINT("IoCreateDevice() failed with status 0x%X\n", Status);
return Status;
}
DeviceExtension = (PFDO_DEVICE_EXTENSION)Fdo->DeviceExtension;
RtlZeroMemory(DeviceExtension, sizeof(FDO_DEVICE_EXTENSION));
DeviceExtension->Common.IsFDO = TRUE;
DeviceExtension->Ldo =
IoAttachDeviceToDeviceStack(Fdo, PhysicalDeviceObject);
DeviceExtension->State = dsStopped;
Fdo->Flags &= ~DO_DEVICE_INITIALIZING;
//Fdo->Flags |= DO_POWER_PAGABLE;
DPRINT("Done AddDevice\n");
return STATUS_SUCCESS;
}
NTSTATUS
STDCALL
DriverEntry(
IN PDRIVER_OBJECT DriverObject,
IN PUNICODE_STRING RegistryPath)
{
DbgPrint("Peripheral Component Interconnect Bus Driver\n");
DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = PciDispatchDeviceControl;
DriverObject->MajorFunction[IRP_MJ_PNP] = PciPnpControl;
DriverObject->MajorFunction[IRP_MJ_POWER] = PciPowerControl;
DriverObject->DriverExtension->AddDevice = PciAddDevice;
return STATUS_SUCCESS;
}
BOOLEAN
PciCreateUnicodeString(
PUNICODE_STRING Destination,
PWSTR Source,
POOL_TYPE PoolType)
{
ULONG Length;
if (!Source)
{
RtlInitUnicodeString(Destination, NULL);
return TRUE;
}
Length = (wcslen(Source) + 1) * sizeof(WCHAR);
Destination->Buffer = ExAllocatePool(PoolType, Length);
if (Destination->Buffer == NULL)
{
return FALSE;
}
RtlCopyMemory(Destination->Buffer, Source, Length);
Destination->MaximumLength = Length;
Destination->Length = Length - sizeof(WCHAR);
return TRUE;
}
NTSTATUS
PciDuplicateUnicodeString(
PUNICODE_STRING Destination,
PUNICODE_STRING Source,
POOL_TYPE PoolType)
{
if (Source == NULL)
{
RtlInitUnicodeString(Destination, NULL);
return STATUS_SUCCESS;
}
Destination->Buffer = ExAllocatePool(PoolType, Source->MaximumLength);
if (Destination->Buffer == NULL)
{
return STATUS_INSUFFICIENT_RESOURCES;
}
Destination->MaximumLength = Source->MaximumLength;
Destination->Length = Source->Length;
RtlCopyMemory(Destination->Buffer, Source->Buffer, Source->MaximumLength);
return STATUS_SUCCESS;
}
BOOLEAN
PciCreateDeviceIDString(PUNICODE_STRING DeviceID,
PPCI_DEVICE Device)
{
WCHAR Buffer[256];
swprintf(Buffer,
L"PCI\\VEN_%04X&DEV_%04X&SUBSYS_%08X&REV_%02X",
Device->PciConfig.VendorID,
Device->PciConfig.DeviceID,
(Device->PciConfig.u.type0.SubSystemID << 16) +
Device->PciConfig.u.type0.SubVendorID,
Device->PciConfig.RevisionID);
if (!PciCreateUnicodeString(DeviceID, Buffer, PagedPool))
{
return FALSE;
}
return TRUE;
}
BOOLEAN
PciCreateInstanceIDString(PUNICODE_STRING InstanceID,
PPCI_DEVICE Device)
{
#if 0
WCHAR Buffer[32];
ULONG Length;
ULONG Index;
Index = swprintf(Buffer,
L"%lX&%02lX",
Device->BusNumber,
(Device->SlotNumber.u.bits.DeviceNumber << 3) +
Device->SlotNumber.u.bits.FunctionNumber);
Index++;
Buffer[Index] = UNICODE_NULL;
Length = (Index + 1) * sizeof(WCHAR);
InstanceID->Buffer = ExAllocatePool(PagedPool, Length);
if (InstanceID->Buffer == NULL)
{
return FALSE;
}
InstanceID->Length = Length - sizeof(WCHAR);
InstanceID->MaximumLength = Length;
RtlCopyMemory(InstanceID->Buffer, Buffer, Length);
return TRUE;
#endif
return PciCreateUnicodeString(InstanceID, L"0000", PagedPool);
}
BOOLEAN
PciCreateHardwareIDsString(PUNICODE_STRING HardwareIDs,
PPCI_DEVICE Device)
{
WCHAR Buffer[256];
ULONG Length;
ULONG Index;
Index = 0;
Index += swprintf(&Buffer[Index],
L"PCI\\VEN_%04X&DEV_%04X&SUBSYS_%08X&REV_%02X",
Device->PciConfig.VendorID,
Device->PciConfig.DeviceID,
(Device->PciConfig.u.type0.SubSystemID << 16) +
Device->PciConfig.u.type0.SubVendorID,
Device->PciConfig.RevisionID);
Index++;
Index += swprintf(&Buffer[Index],
L"PCI\\VEN_%04X&DEV_%04X&SUBSYS_%08X",
Device->PciConfig.VendorID,
Device->PciConfig.DeviceID,
(Device->PciConfig.u.type0.SubSystemID << 16) +
Device->PciConfig.u.type0.SubVendorID);
Index++;
Buffer[Index] = UNICODE_NULL;
Length = (Index + 1) * sizeof(WCHAR);
HardwareIDs->Buffer = ExAllocatePool(PagedPool, Length);
if (HardwareIDs->Buffer == NULL)
{
return FALSE;
}
HardwareIDs->Length = Length - sizeof(WCHAR);
HardwareIDs->MaximumLength = Length;
RtlCopyMemory(HardwareIDs->Buffer, Buffer, Length);
return TRUE;
}
BOOLEAN
PciCreateCompatibleIDsString(PUNICODE_STRING CompatibleIDs,
PPCI_DEVICE Device)
{
WCHAR Buffer[256];
ULONG Length;
ULONG Index;
Index = 0;
Index += swprintf(&Buffer[Index],
L"PCI\\VEN_%04X&DEV_%04X&REV_%02X&CC_%02X%02X",
Device->PciConfig.VendorID,
Device->PciConfig.DeviceID,
Device->PciConfig.RevisionID,
Device->PciConfig.BaseClass,
Device->PciConfig.SubClass);
Index++;
Index += swprintf(&Buffer[Index],
L"PCI\\VEN_%04X&DEV_%04X&CC_%02X%02X%02X",
Device->PciConfig.VendorID,
Device->PciConfig.DeviceID,
Device->PciConfig.BaseClass,
Device->PciConfig.SubClass,
Device->PciConfig.ProgIf);
Index++;
Index += swprintf(&Buffer[Index],
L"PCI\\VEN_%04X&DEV_%04X&CC_%02X%02X",
Device->PciConfig.VendorID,
Device->PciConfig.DeviceID,
Device->PciConfig.BaseClass,
Device->PciConfig.SubClass);
Index++;
Index += swprintf(&Buffer[Index],
L"PCI\\VEN_%04X&CC_%02X%02X%02X",
Device->PciConfig.VendorID,
Device->PciConfig.BaseClass,
Device->PciConfig.SubClass,
Device->PciConfig.ProgIf);
Index++;
Index += swprintf(&Buffer[Index],
L"PCI\\VEN_%04X&CC_%02X%02X",
Device->PciConfig.VendorID,
Device->PciConfig.BaseClass,
Device->PciConfig.SubClass);
Index++;
Index += swprintf(&Buffer[Index],
L"PCI\\VEN_%04X",
Device->PciConfig.VendorID);
Index++;
Index += swprintf(&Buffer[Index],
L"PCI\\CC_%02X%02X%02X",
Device->PciConfig.BaseClass,
Device->PciConfig.SubClass,
Device->PciConfig.ProgIf);
Index++;
Index += swprintf(&Buffer[Index],
L"PCI\\CC_%02X%02X",
Device->PciConfig.BaseClass,
Device->PciConfig.SubClass);
Index++;
Buffer[Index] = UNICODE_NULL;
Length = (Index + 1) * sizeof(WCHAR);
CompatibleIDs->Buffer = ExAllocatePool(PagedPool, Length);
if (CompatibleIDs->Buffer == NULL)
{
return FALSE;
}
CompatibleIDs->Length = Length - sizeof(WCHAR);
CompatibleIDs->MaximumLength = Length;
RtlCopyMemory(CompatibleIDs->Buffer, Buffer, Length);
return TRUE;
}
BOOLEAN
PciCreateDeviceDescriptionString(PUNICODE_STRING DeviceDescription,
PPCI_DEVICE Device)
{
PWSTR Description;
ULONG Length;
switch (Device->PciConfig.BaseClass)
{
case PCI_CLASS_MASS_STORAGE_CTLR:
switch (Device->PciConfig.BaseClass)
{
case PCI_SUBCLASS_MSC_SCSI_BUS_CTLR:
Description = L"SCSI controller";
break;
case PCI_SUBCLASS_MSC_IDE_CTLR:
Description = L"IDE controller";
break;
case PCI_SUBCLASS_MSC_FLOPPY_CTLR:
Description = L"Floppy disk controller";
break;
case PCI_SUBCLASS_MSC_IPI_CTLR:
Description = L"IPI controller";
break;
case PCI_SUBCLASS_MSC_RAID_CTLR:
Description = L"RAID controller";
break;
default:
Description = L"Mass storage controller";
}
break;
case PCI_CLASS_NETWORK_CTLR:
switch (Device->PciConfig.BaseClass)
{
default:
Description = L"Network controller";
}
break;
default:
Description = L"PCI-Device";
}
Length = (wcslen(Description) + 1) * sizeof(WCHAR);
DeviceDescription->Buffer = ExAllocatePool(PagedPool, Length);
if (DeviceDescription->Buffer == NULL)
{
return FALSE;
}
DeviceDescription->Length = Length - sizeof(WCHAR);
DeviceDescription->MaximumLength = Length;
RtlCopyMemory(DeviceDescription->Buffer, Description, Length);
return TRUE;
}
BOOLEAN
PciCreateDeviceLocationString(PUNICODE_STRING DeviceLocation,
PPCI_DEVICE Device)
{
WCHAR Buffer[256];
ULONG Length;
ULONG Index;
Index = 0;
Index += swprintf(&Buffer[Index],
L"PCI-Bus %lu, Device %u, Function %u",
Device->BusNumber,
Device->SlotNumber.u.bits.DeviceNumber,
Device->SlotNumber.u.bits.FunctionNumber);
Index++;
Buffer[Index] = UNICODE_NULL;
Length = (Index + 1) * sizeof(WCHAR);
DeviceLocation->Buffer = ExAllocatePool(PagedPool, Length);
if (DeviceLocation->Buffer == NULL)
{
return FALSE;
}
DeviceLocation->Length = Length - sizeof(WCHAR);
DeviceLocation->MaximumLength = Length;
RtlCopyMemory(DeviceLocation->Buffer, Buffer, Length);
return TRUE;
}
/* EOF */