reactos/drivers/bus/pcix/arb/ar_busno.c

   1 /*
   2  * PROJECT:         ReactOS PCI Bus Driver
   3  * LICENSE:         BSD - See COPYING.ARM in the top level directory
   4  * FILE:            drivers/bus/pci/arb/ar_busno.c
   5  * PURPOSE:         Bus Number Arbitration
   6  * PROGRAMMERS:     ReactOS Portable Systems Group
   7  */
   8
   9 /* INCLUDES *******************************************************************/
  10
  11 #include <pci.h>
  12 #define NDEBUG
  13 #include <debug.h>
  14
  15 /* GLOBALS ********************************************************************/
  16
  17 PCI_INTERFACE ArbiterInterfaceBusNumber =
  18 {
  19     &GUID_ARBITER_INTERFACE_STANDARD,
  20     sizeof(ARBITER_INTERFACE),
  21     0,
  22     0,
  23     PCI_INTERFACE_FDO,
  24     0,
  25     PciArb_BusNumber,
  26     arbusno_Constructor,
  27     arbusno_Initializer
  28 };
  29
  30 /* FUNCTIONS ******************************************************************/
  31
  32 NTSTATUS
  33 NTAPI
  34 arbusno_Initializer(IN PVOID Instance)
  35 {
  36     /* Not yet implemented */
  37     UNIMPLEMENTED;
  38     //while (TRUE);
  39     return STATUS_SUCCESS;
  40 }
  41
  42 NTSTATUS
  43 NTAPI
  44 arbusno_Constructor(IN PVOID DeviceExtension,
  45                     IN PVOID PciInterface,
  46                     IN PVOID InterfaceData,
  47                     IN USHORT Version,
  48                     IN USHORT Size,
  49                     IN PINTERFACE Interface)
  50 {
  51     PPCI_FDO_EXTENSION FdoExtension = (PPCI_FDO_EXTENSION)DeviceExtension;
  52     NTSTATUS Status;
  53     PAGED_CODE();
  54
  55     /* Make sure it's the expected interface */
  56     if ((ULONG)InterfaceData != CmResourceTypeBusNumber)
  57     {
  58         /* Arbiter support must have been initialized first */
  59         if (FdoExtension->ArbitersInitialized)
  60         {
  61             /* Not yet implemented */
  62             UNIMPLEMENTED;
  63             while (TRUE);
  64         }
  65         else
  66         {
  67             /* No arbiters for this FDO */
  68             Status = STATUS_NOT_SUPPORTED;
  69         }
  70     }
  71     else
  72     {
  73         /* Not the right interface */
  74         Status = STATUS_INVALID_PARAMETER_5;
  75     }
  76
  77     /* Return the status */
  78     return Status;
  79 }
  80
  81 /* EOF */