drivers/storage/port/storport/miniport.c

   1 /*
   2  * PROJECT:     ReactOS Storport Driver
   3  * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
   4  * PURPOSE:     Miniport interface code
   5  * COPYRIGHT:   Copyright 2017 Eric Kohl (eric.kohl@reactos.org)
   6  */
   7
   8 /* INCLUDES *******************************************************************/
   9
  10 #include "precomp.h"
  11
  12 #define NDEBUG
  13 #include <debug.h>
  14
  15
  16 /* FUNCTIONS ******************************************************************/
  17
  18 NTSTATUS
  19 MiniportInitialize(
  20     _In_ PMINIPORT Miniport,
  21     _In_ PFDO_DEVICE_EXTENSION DeviceExtension,
  22     _In_ PHW_INITIALIZATION_DATA InitData)
  23 {
  24     PMINIPORT_DEVICE_EXTENSION MiniportExtension;
  25     ULONG Size;
  26
  27     DPRINT1("MiniportInitialize(%p %p %p)\n",
  28             Miniport, DeviceExtension, InitData);
  29
  30     Miniport->DeviceExtension = DeviceExtension;
  31     Miniport->InitData = InitData;
  32
  33     /* Calculate the miniport device extension size */
  34     Size = sizeof(MINIPORT_DEVICE_EXTENSION) +
  35            Miniport->InitData->DeviceExtensionSize;
  36
  37     /* Allocate and initialize the miniport device extension */
  38     MiniportExtension = ExAllocatePoolWithTag(NonPagedPool,
  39                                               Size,
  40                                               TAG_MINIPORT_DATA);
  41     if (MiniportExtension == NULL)
  42         return STATUS_NO_MEMORY;
  43
  44     RtlZeroMemory(MiniportExtension, Size);
  45
  46     MiniportExtension->Miniport = Miniport;
  47     Miniport->MiniportExtension = MiniportExtension;
  48
  49     return STATUS_SUCCESS;
  50 }
  51
  52
  53 NTSTATUS
  54 MiniportFindAdapter(
  55     _In_ PMINIPORT Miniport)
  56 {
  57     BOOLEAN Reserved = FALSE;
  58     ULONG Result;
  59     NTSTATUS Status;
  60
  61     DPRINT1("MiniportFindAdapter(%p)\n", Miniport);
  62
  63     /* Call the miniport HwFindAdapter routine */
  64     Result = Miniport->InitData->HwFindAdapter(&Miniport->MiniportExtension->HwDeviceExtension,
  65                                                NULL,
  66                                                NULL,
  67                                                NULL,
  68                                                NULL,
  69                                                &Reserved);
  70     DPRINT1("HwFindAdapter() returned %lu\n", Result);
  71
  72     switch (Result)
  73     {
  74         case SP_RETURN_NOT_FOUND:
  75             DPRINT1("SP_RETURN_NOT_FOUND\n");
  76             Status = STATUS_NOT_FOUND;
  77             break;
  78
  79         case SP_RETURN_FOUND:
  80             DPRINT1("SP_RETURN_FOUND\n");
  81             Status = STATUS_SUCCESS;
  82             break;
  83
  84         case SP_RETURN_ERROR:
  85             DPRINT1("SP_RETURN_ERROR\n");
  86             Status = STATUS_ADAPTER_HARDWARE_ERROR;
  87             break;
  88
  89         case SP_RETURN_BAD_CONFIG:
  90             DPRINT1("SP_RETURN_BAD_CONFIG\n");
  91             Status = STATUS_DEVICE_CONFIGURATION_ERROR;
  92             break;
  93
  94         default:
  95             DPRINT1("Unknown result: %lu\n", Result);
  96             Status = STATUS_INTERNAL_ERROR;
  97             break;
  98     }
  99
 100     return Status;
 101 }
 102
 103
 104 NTSTATUS
 105 MiniportHwInitialize(
 106     _In_ PMINIPORT Miniport)
 107 {
 108     NTSTATUS Status;
 109
 110     DPRINT1("MiniportHwInitialize(%p)\n", Miniport);
 111
 112     /* Call the miniport HwInitialize routine */
 113     Status = Miniport->InitData->HwInitialize(&Miniport->MiniportExtension->HwDeviceExtension);
 114     DPRINT1("HwInitialize() returned 0x%08lx\n", Status);
 115
 116     return Status;
 117 }
 118
 119 /* EOF */