ReactOS  0.4.15-dev-3723-g8d70159
fdo.c File Reference
#include "serenum.h"
#include <debug.h>
Include dependency graph for fdo.c:

Go to the source code of this file.

Functions

NTSTATUS NTAPI SerenumAddDevice (IN PDRIVER_OBJECT DriverObject, IN PDEVICE_OBJECT Pdo)
 
static NTSTATUS NTAPI SerenumFdoStartDevice (IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
 
static NTSTATUS SerenumFdoQueryBusRelations (IN PDEVICE_OBJECT DeviceObject, OUT PDEVICE_RELATIONS *pDeviceRelations)
 
NTSTATUS SerenumFdoPnp (IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
 

Function Documentation

◆ SerenumAddDevice()

NTSTATUS NTAPI SerenumAddDevice ( IN PDRIVER_OBJECT  DriverObject,
IN PDEVICE_OBJECT  Pdo 
)

Definition at line 15 of file fdo.c.

18 {
20  PFDO_DEVICE_EXTENSION DeviceExtension;
22 
23  TRACE_(SERENUM, "SerenumAddDevice called. Pdo = %p\n", Pdo);
24 
25  /* Create new device object */
27  sizeof(FDO_DEVICE_EXTENSION),
28  NULL,
31  FALSE,
32  &Fdo);
33  if (!NT_SUCCESS(Status))
34  {
35  WARN_(SERENUM, "IoCreateDevice() failed with status 0x%08lx\n", Status);
36  return Status;
37  }
38  DeviceExtension = (PFDO_DEVICE_EXTENSION)Fdo->DeviceExtension;
39  RtlZeroMemory(DeviceExtension, sizeof(FDO_DEVICE_EXTENSION));
40 
41  /* Register device interface */
43  Pdo,
44  &GUID_DEVINTERFACE_SERENUM_BUS_ENUMERATOR,
45  NULL,
46  &DeviceExtension->SerenumInterfaceName);
47  if (!NT_SUCCESS(Status))
48  {
49  WARN_(SERENUM, "IoRegisterDeviceInterface() failed with status 0x%08lx\n", Status);
51  return Status;
52  }
53 
54  DeviceExtension->Common.IsFDO = TRUE;
55  DeviceExtension->Common.PnpState = dsStopped;
56  DeviceExtension->Pdo = Pdo;
57  IoInitializeRemoveLock(&DeviceExtension->RemoveLock, SERENUM_TAG, 0, 0);
59  if (!NT_SUCCESS(Status))
60  {
61  WARN_(SERENUM, "IoAttachDeviceToDeviceStackSafe() failed with status 0x%08lx\n", Status);
63  return Status;
64  }
65  if (DeviceExtension->LowerDevice->Flags & DO_POWER_PAGABLE)
66  Fdo->Flags |= DO_POWER_PAGABLE;
67  if (DeviceExtension->LowerDevice->Flags & DO_BUFFERED_IO)
68  Fdo->Flags |= DO_BUFFERED_IO;
69  if (DeviceExtension->LowerDevice->Flags & DO_DIRECT_IO)
70  Fdo->Flags |= DO_DIRECT_IO;
71  Fdo->Flags &= ~DO_DEVICE_INITIALIZING;
72 
73  return STATUS_SUCCESS;
74 }
#define DO_DEVICE_INITIALIZING
Definition: env_spec_w32.h:399
#define DO_POWER_PAGABLE
#define TRUE
Definition: types.h:120
#define IoInitializeRemoveLock(Lock, AllocateTag, MaxLockedMinutes, HighWatermark)
Definition: iofuncs.h:2833
LONG NTSTATUS
Definition: precomp.h:26
#define SERENUM_TAG
Definition: serenum.h:58
struct _FDO_DEVICE_EXTENSION * PFDO_DEVICE_EXTENSION
#define DO_DIRECT_IO
Definition: env_spec_w32.h:396
#define FALSE
Definition: types.h:117
WDF_EXTERN_C_START typedef _Must_inspect_result_ _In_ WDFDRIVER _In_opt_ PWDF_OBJECT_ATTRIBUTES _In_ PDEVICE_OBJECT _In_opt_ PDEVICE_OBJECT _In_opt_ PDEVICE_OBJECT Pdo
Definition: wdfminiport.h:64
_Must_inspect_result_ _In_ PDRIVER_OBJECT DriverObject
Definition: wdfdriver.h:213
Status
Definition: gdiplustypes.h:24
#define TRACE_(x)
Definition: compat.h:76
UNICODE_STRING SerenumInterfaceName
Definition: serenum.h:39
NTSTATUS NTAPI IoAttachDeviceToDeviceStackSafe(IN PDEVICE_OBJECT SourceDevice, IN PDEVICE_OBJECT TargetDevice, IN OUT PDEVICE_OBJECT *AttachedToDeviceObject)
Definition: device.c:980
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
#define DO_BUFFERED_IO
Definition: env_spec_w32.h:394
_Must_inspect_result_ _In_ WDFDEVICE Fdo
Definition: wdffdo.h:461
COMMON_DEVICE_EXTENSION Common
Definition: pci.h:81
VOID NTAPI IoDeleteDevice(IN PDEVICE_OBJECT DeviceObject)
Definition: device.c:1251
NTSTATUS NTAPI IoRegisterDeviceInterface(IN PDEVICE_OBJECT PhysicalDeviceObject, IN CONST GUID *InterfaceClassGuid, IN PUNICODE_STRING ReferenceString OPTIONAL, OUT PUNICODE_STRING SymbolicLinkName)
Definition: deviface.c:955
#define NULL
Definition: types.h:112
PDEVICE_OBJECT Pdo
Definition: i8042prt.h:128
NTSTATUS NTAPI IoCreateDevice(IN PDRIVER_OBJECT DriverObject, IN ULONG DeviceExtensionSize, IN PUNICODE_STRING DeviceName, IN DEVICE_TYPE DeviceType, IN ULONG DeviceCharacteristics, IN BOOLEAN Exclusive, OUT PDEVICE_OBJECT *DeviceObject)
Definition: device.c:1031
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:262
#define FILE_DEVICE_SECURE_OPEN
Definition: cdrw_usr.h:46
PDEVICE_OBJECT LowerDevice
Definition: i8042prt.h:130
#define STATUS_SUCCESS
Definition: shellext.h:65
IO_REMOVE_LOCK RemoveLock
Definition: serenum.h:37
#define FILE_DEVICE_BUS_EXTENDER
Definition: winioctl.h:148
#define WARN_(ch,...)
Definition: debug.h:157

◆ SerenumFdoPnp()

NTSTATUS SerenumFdoPnp ( IN PDEVICE_OBJECT  DeviceObject,
IN PIRP  Irp 
)

Definition at line 152 of file fdo.c.

155 {
161 
163  MinorFunction = Stack->MinorFunction;
164 
165  switch (MinorFunction)
166  {
167  /* FIXME: do all these minor functions
168  IRP_MN_QUERY_REMOVE_DEVICE 0x1
169  IRP_MN_REMOVE_DEVICE 0x2
170  IRP_MN_CANCEL_REMOVE_DEVICE 0x3
171  IRP_MN_STOP_DEVICE 0x4
172  IRP_MN_QUERY_STOP_DEVICE 0x5
173  IRP_MN_CANCEL_STOP_DEVICE 0x6
174  IRP_MN_QUERY_DEVICE_RELATIONS / RemovalRelations (optional) 0x7
175  IRP_MN_QUERY_INTERFACE (optional) 0x8
176  IRP_MN_QUERY_CAPABILITIES (optional) 0x9
177  IRP_MN_QUERY_PNP_DEVICE_STATE (optional) 0x14
178  IRP_MN_DEVICE_USAGE_NOTIFICATION (required or optional) 0x16
179  IRP_MN_SURPRISE_REMOVAL 0x17
180  */
181  case IRP_MN_START_DEVICE: /* 0x0 */
182  {
183  TRACE_(SERENUM, "IRP_MJ_PNP / IRP_MN_START_DEVICE\n");
184  /* Call lower driver */
185  FdoExtension = DeviceObject->DeviceExtension;
187 
188  if (IoForwardIrpSynchronously(FdoExtension->LowerDevice, Irp))
189  {
190  Status = Irp->IoStatus.Status;
191  if (NT_SUCCESS(Status))
192  {
194  }
195  }
196 
197  break;
198  }
199  case IRP_MN_QUERY_DEVICE_RELATIONS: /* 0x7 */
200  {
201  switch (Stack->Parameters.QueryDeviceRelations.Type)
202  {
203  case BusRelations:
204  {
205  PDEVICE_RELATIONS DeviceRelations = NULL;
206  TRACE_(SERENUM, "IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_RELATIONS / BusRelations\n");
207  Status = SerenumFdoQueryBusRelations(DeviceObject, &DeviceRelations);
208  Information = (ULONG_PTR)DeviceRelations;
209  break;
210  }
211  default:
212  TRACE_(SERENUM, "IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_RELATIONS / Unknown type 0x%lx\n",
213  Stack->Parameters.QueryDeviceRelations.Type);
215  }
216  break;
217  }
219  {
220  TRACE_(SERENUM, "IRP_MJ_PNP / IRP_MN_FILTER_RESOURCE_REQUIREMENTS\n");
222  }
223  default:
224  {
225  TRACE_(SERENUM, "IRP_MJ_PNP / unknown minor function 0x%lx\n", MinorFunction);
227  }
228  }
229 
230  Irp->IoStatus.Information = Information;
231  Irp->IoStatus.Status = Status;
233  return Status;
234 }
NTSTATUS NTAPI ForwardIrpAndForget(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
Definition: fdo.c:21
#define IRP_MN_FILTER_RESOURCE_REQUIREMENTS
BOOLEAN NTAPI IoForwardIrpSynchronously(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
Definition: irp.c:1625
LONG NTSTATUS
Definition: precomp.h:26
_In_ WDFREQUEST _In_ NTSTATUS _In_ ULONG_PTR Information
Definition: wdfrequest.h:1044
uint32_t ULONG_PTR
Definition: typedefs.h:65
_In_ WDFREQUEST _In_ PIO_STACK_LOCATION Stack
Definition: wdfrequest.h:636
_In_ PDEVICE_OBJECT DeviceObject
Definition: wdfdevice.h:2055
_In_ PIRP Irp
Definition: csq.h:116
_In_ UCHAR _In_ UCHAR MinorFunction
Definition: wdfdevice.h:1697
#define IoCompleteRequest
Definition: irp.c:1240
Status
Definition: gdiplustypes.h:24
#define TRACE_(x)
Definition: compat.h:76
static NTSTATUS SerenumFdoQueryBusRelations(IN PDEVICE_OBJECT DeviceObject, OUT PDEVICE_RELATIONS *pDeviceRelations)
Definition: fdo.c:102
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
#define IRP_MN_START_DEVICE
#define STATUS_UNSUCCESSFUL
Definition: udferr_usr.h:132
__drv_aliasesMem FORCEINLINE PIO_STACK_LOCATION IoGetCurrentIrpStackLocation(_In_ PIRP Irp)
Definition: iofuncs.h:2793
#define NULL
Definition: types.h:112
#define IRP_MN_QUERY_DEVICE_RELATIONS
static NTSTATUS NTAPI SerenumFdoStartDevice(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
Definition: fdo.c:77
unsigned int ULONG
Definition: retypes.h:1
#define IO_NO_INCREMENT
Definition: iotypes.h:598
#define ULONG_PTR
Definition: config.h:101

Referenced by SerenumPnp().

◆ SerenumFdoQueryBusRelations()

static NTSTATUS SerenumFdoQueryBusRelations ( IN PDEVICE_OBJECT  DeviceObject,
OUT PDEVICE_RELATIONS pDeviceRelations 
)
static

Definition at line 102 of file fdo.c.

105 {
106  PFDO_DEVICE_EXTENSION DeviceExtension;
107  PDEVICE_RELATIONS DeviceRelations;
108  ULONG NumPDO;
109  ULONG i;
111 
112  DeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
113  ASSERT(DeviceExtension->Common.IsFDO);
114 
115  /* Do enumeration if needed */
116  if (!(DeviceExtension->Flags & FLAG_ENUMERATION_DONE))
117  {
118  ASSERT(DeviceExtension->AttachedPdo == NULL);
119  /* Detect plug-and-play devices */
122  {
123  /* Detect legacy devices */
127  }
128  DeviceExtension->Flags |= FLAG_ENUMERATION_DONE;
129  }
130  NumPDO = (DeviceExtension->AttachedPdo != NULL ? 1 : 0);
131 
132  DeviceRelations = (PDEVICE_RELATIONS)ExAllocatePoolWithTag(
133  PagedPool,
134  sizeof(DEVICE_RELATIONS) + sizeof(PDEVICE_OBJECT) * (NumPDO - 1),
135  SERENUM_TAG);
136  if (!DeviceRelations)
138 
139  /* Fill returned structure */
140  DeviceRelations->Count = NumPDO;
141  for (i = 0; i < NumPDO; i++)
142  {
143  ObReferenceObject(DeviceExtension->AttachedPdo);
144  DeviceRelations->Objects[i] = DeviceExtension->AttachedPdo;
145  }
146 
147  *pDeviceRelations = DeviceRelations;
148  return Status;
149 }
#define STATUS_INSUFFICIENT_RESOURCES
Definition: udferr_usr.h:158
struct _DEVICE_OBJECT * PDEVICE_OBJECT
PDEVICE_OBJECT Objects[1]
Definition: iotypes.h:2163
LONG NTSTATUS
Definition: precomp.h:26
#define SERENUM_TAG
Definition: serenum.h:58
struct _FDO_DEVICE_EXTENSION * PFDO_DEVICE_EXTENSION
_In_ PDEVICE_OBJECT DeviceObject
Definition: wdfdevice.h:2055
struct _DEVICE_RELATIONS * PDEVICE_RELATIONS
#define STATUS_DEVICE_NOT_CONNECTED
Definition: udferr_usr.h:160
Status
Definition: gdiplustypes.h:24
#define ASSERT(a)
Definition: mode.c:44
NTSTATUS SerenumDetectLegacyDevice(IN PDEVICE_OBJECT DeviceObject, IN PDEVICE_OBJECT LowerDevice)
Definition: detect.c:444
#define ExAllocatePoolWithTag(hernya, size, tag)
Definition: env_spec_w32.h:350
COMMON_DEVICE_EXTENSION Common
Definition: pci.h:81
#define FLAG_ENUMERATION_DONE
Definition: serenum.h:61
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define NULL
Definition: types.h:112
NTSTATUS SerenumDetectPnpDevice(IN PDEVICE_OBJECT DeviceObject, IN PDEVICE_OBJECT LowerDevice)
Definition: detect.c:223
#define ObReferenceObject
Definition: obfuncs.h:204
unsigned int ULONG
Definition: retypes.h:1
PDEVICE_OBJECT LowerDevice
Definition: i8042prt.h:130
#define STATUS_SUCCESS
Definition: shellext.h:65
PDEVICE_OBJECT AttachedPdo[2]
Definition: parport.h:44

Referenced by SerenumFdoPnp().

◆ SerenumFdoStartDevice()

static NTSTATUS NTAPI SerenumFdoStartDevice ( IN PDEVICE_OBJECT  DeviceObject,
IN PIRP  Irp 
)
static

Definition at line 77 of file fdo.c.

80 {
81  PFDO_DEVICE_EXTENSION DeviceExtension;
83 
84  TRACE_(SERENUM, "SerenumFdoStartDevice() called\n");
85  DeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
86 
87  ASSERT(DeviceExtension->Common.PnpState == dsStopped);
88 
90  if (!NT_SUCCESS(Status))
91  {
92  WARN_(SERENUM, "IoSetDeviceInterfaceState() failed with status 0x%08lx\n", Status);
93  return Status;
94  }
95 
96  DeviceExtension->Common.PnpState = dsStarted;
97 
98  return STATUS_SUCCESS;
99 }
#define TRUE
Definition: types.h:120
LONG NTSTATUS
Definition: precomp.h:26
struct _FDO_DEVICE_EXTENSION * PFDO_DEVICE_EXTENSION
_In_ PDEVICE_OBJECT DeviceObject
Definition: wdfdevice.h:2055
NTSTATUS NTAPI IoSetDeviceInterfaceState(IN PUNICODE_STRING SymbolicLinkName, IN BOOLEAN Enable)
Definition: deviface.c:1311
Status
Definition: gdiplustypes.h:24
#define TRACE_(x)
Definition: compat.h:76
UNICODE_STRING SerenumInterfaceName
Definition: serenum.h:39
#define ASSERT(a)
Definition: mode.c:44
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
COMMON_DEVICE_EXTENSION Common
Definition: pci.h:81
#define STATUS_SUCCESS
Definition: shellext.h:65
#define WARN_(ch,...)
Definition: debug.h:157

Referenced by SerenumFdoPnp().