reactos/drivers/storage/pciidex/miniport.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         PCI IDE bus driver extension
   4  * FILE:            drivers/storage/pciidex/miniport.c
   5  * PURPOSE:         Miniport functions
   6  * PROGRAMMERS:     Hervé Poussineau (hpoussin@reactos.org)
   7  */
   8
   9 #define NDEBUG
  10 #include <debug.h>
  11
  12 #define INITGUID
  13 #include "pciidex.h"
  14
  15 static NTSTATUS NTAPI
  16 PciIdeXPnpDispatch(
  17         IN PDEVICE_OBJECT DeviceObject,
  18         IN PIRP Irp)
  19 {
  20         if (((PCOMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->IsFDO)
  21                 return PciIdeXFdoPnpDispatch(DeviceObject, Irp);
  22         else
  23                 return PciIdeXPdoPnpDispatch(DeviceObject, Irp);
  24 }
  25
  26 NTSTATUS NTAPI
  27 PciIdeXInitialize(
  28         IN PDRIVER_OBJECT DriverObject,
  29         IN PUNICODE_STRING RegistryPath,
  30         IN PCONTROLLER_PROPERTIES HwGetControllerProperties,
  31         IN ULONG ExtensionSize)
  32 {
  33         ULONG i;
  34         PPCIIDEX_DRIVER_EXTENSION DriverExtension;
  35         NTSTATUS Status;
  36
  37         DPRINT("PciIdeXInitialize(%p '%wZ' %p 0x%lx)\n",
  38                 DriverObject, RegistryPath, HwGetControllerProperties, ExtensionSize);
  39
  40         Status = IoAllocateDriverObjectExtension(
  41                 DriverObject,
  42                 DriverObject,
  43                 sizeof(PCIIDEX_DRIVER_EXTENSION),
  44                 (PVOID*)&DriverExtension);
  45         if (!NT_SUCCESS(Status))
  46                 return Status;
  47         RtlZeroMemory(DriverExtension, sizeof(PCIIDEX_DRIVER_EXTENSION));
  48         DriverExtension->MiniControllerExtensionSize = ExtensionSize;
  49         DriverExtension->HwGetControllerProperties = HwGetControllerProperties;
  50
  51         DriverObject->DriverExtension->AddDevice = PciIdeXAddDevice;
  52
  53         for (i = 0; i < IRP_MJ_MAXIMUM_FUNCTION; i++)
  54                 DriverObject->MajorFunction[i] = ForwardIrpAndForget;
  55         DriverObject->MajorFunction[IRP_MJ_PNP] = PciIdeXPnpDispatch;
  56
  57         return STATUS_SUCCESS;
  58 }
  59
  60 /* May be called at IRQL <= DISPATCH_LEVEL */
  61 NTSTATUS NTAPI
  62 PciIdeXGetBusData(
  63         IN PVOID DeviceExtension,
  64         IN PVOID Buffer,
  65         IN ULONG ConfigDataOffset,
  66         IN ULONG BufferLength)
  67 {
  68         PFDO_DEVICE_EXTENSION FdoDeviceExtension;
  69         ULONG BytesRead = 0;
  70         NTSTATUS Status = STATUS_IO_DEVICE_ERROR;
  71
  72         DPRINT("PciIdeXGetBusData(%p %p 0x%lx 0x%lx)\n",
  73                 DeviceExtension, Buffer, ConfigDataOffset, BufferLength);
  74
  75         FdoDeviceExtension = CONTAINING_RECORD(DeviceExtension, FDO_DEVICE_EXTENSION, MiniControllerExtension);
  76         if (FdoDeviceExtension->BusInterface)
  77         {
  78                 BytesRead = (*FdoDeviceExtension->BusInterface->GetBusData)(
  79                         FdoDeviceExtension->BusInterface->Context,
  80                         PCI_WHICHSPACE_CONFIG,
  81                         Buffer,
  82                         ConfigDataOffset,
  83                         BufferLength);
  84                 if (BytesRead == BufferLength)
  85                         Status = STATUS_SUCCESS;
  86         }
  87
  88         return Status;
  89 }
  90
  91 /* May be called at IRQL <= DISPATCH_LEVEL */
  92 NTSTATUS NTAPI
  93 PciIdeXSetBusData(
  94         IN PVOID DeviceExtension,
  95         IN PVOID Buffer,
  96         IN PVOID DataMask,
  97         IN ULONG ConfigDataOffset,
  98         IN ULONG BufferLength)
  99 {
 100         DPRINT1("PciIdeXSetBusData(%p %p %p 0x%lx 0x%lx)\n",
 101                 DeviceExtension, Buffer, DataMask, ConfigDataOffset, BufferLength);
 102
 103         return STATUS_NOT_IMPLEMENTED;
 104 }