ReactOS 0.4.15-dev-8219-ge8b88cf
usbstor.c File Reference
#include "usbstor.h"
#include <debug.h>
Include dependency graph for usbstor.c:

Go to the source code of this file.

Macros

#define NDEBUG
 

Functions

NTSTATUS NTAPI USBSTOR_AddDevice (IN PDRIVER_OBJECT DriverObject, IN PDEVICE_OBJECT PhysicalDeviceObject)
 
VOID NTAPI USBSTOR_Unload (PDRIVER_OBJECT DriverObject)
 
NTSTATUS NTAPI USBSTOR_DispatchClose (PDEVICE_OBJECT DeviceObject, PIRP Irp)
 
NTSTATUS NTAPI USBSTOR_DispatchDeviceControl (PDEVICE_OBJECT DeviceObject, PIRP Irp)
 
NTSTATUS NTAPI USBSTOR_DispatchScsi (PDEVICE_OBJECT DeviceObject, PIRP Irp)
 
NTSTATUS NTAPI USBSTOR_DispatchReadWrite (PDEVICE_OBJECT DeviceObject, PIRP Irp)
 
NTSTATUS NTAPI USBSTOR_DispatchPnp (PDEVICE_OBJECT DeviceObject, PIRP Irp)
 
NTSTATUS NTAPI USBSTOR_DispatchSystemControl (IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
 
NTSTATUS NTAPI USBSTOR_DispatchPower (PDEVICE_OBJECT DeviceObject, PIRP Irp)
 
NTSTATUS NTAPI DriverEntry (IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegPath)
 

Macro Definition Documentation

◆ NDEBUG

#define NDEBUG

Definition at line 12 of file usbstor.c.

Function Documentation

◆ DriverEntry()

NTSTATUS NTAPI DriverEntry ( IN PDRIVER_OBJECT  DriverObject,
IN PUNICODE_STRING  RegPath 
)

Definition at line 188 of file usbstor.c.

191{
192
193 DPRINT("********* USB Storage *********\n");
194
195 DriverObject->DriverUnload = USBSTOR_Unload;
196 DriverObject->DriverExtension->AddDevice = USBSTOR_AddDevice;
197 DriverObject->DriverStartIo = USBSTOR_StartIo;
200 DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = USBSTOR_DispatchDeviceControl; // scsi pass through requests
207
208 return STATUS_SUCCESS;
209}
#define IRP_MJ_PNP
Definition: cdrw_usr.h:52
VOID NTAPI USBSTOR_StartIo(PDEVICE_OBJECT DeviceObject, PIRP Irp)
Definition: queue.c:300
#define IRP_MJ_CLOSE
Definition: rdpdr.c:45
#define IRP_MJ_READ
Definition: rdpdr.c:46
#define IRP_MJ_DEVICE_CONTROL
Definition: rdpdr.c:52
#define IRP_MJ_WRITE
Definition: rdpdr.c:47
#define IRP_MJ_CREATE
Definition: rdpdr.c:44
#define STATUS_SUCCESS
Definition: shellext.h:65
#define DPRINT
Definition: sndvol32.h:73
VOID NTAPI USBSTOR_Unload(PDRIVER_OBJECT DriverObject)
Definition: usbstor.c:65
NTSTATUS NTAPI USBSTOR_DispatchReadWrite(PDEVICE_OBJECT DeviceObject, PIRP Irp)
Definition: usbstor.c:110
NTSTATUS NTAPI USBSTOR_DispatchClose(PDEVICE_OBJECT DeviceObject, PIRP Irp)
Definition: usbstor.c:73
NTSTATUS NTAPI USBSTOR_DispatchPnp(PDEVICE_OBJECT DeviceObject, PIRP Irp)
Definition: usbstor.c:123
NTSTATUS NTAPI USBSTOR_DispatchSystemControl(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
Definition: usbstor.c:143
NTSTATUS NTAPI USBSTOR_AddDevice(IN PDRIVER_OBJECT DriverObject, IN PDEVICE_OBJECT PhysicalDeviceObject)
Definition: usbstor.c:18
NTSTATUS NTAPI USBSTOR_DispatchDeviceControl(PDEVICE_OBJECT DeviceObject, PIRP Irp)
Definition: usbstor.c:87
NTSTATUS NTAPI USBSTOR_DispatchPower(PDEVICE_OBJECT DeviceObject, PIRP Irp)
Definition: usbstor.c:162
NTSTATUS NTAPI USBSTOR_DispatchScsi(PDEVICE_OBJECT DeviceObject, PIRP Irp)
Definition: usbstor.c:101
_Must_inspect_result_ _In_ PDRIVER_OBJECT DriverObject
Definition: wdfdriver.h:213
#define IRP_MJ_SCSI
#define IRP_MJ_SYSTEM_CONTROL
#define IRP_MJ_POWER

◆ USBSTOR_AddDevice()

NTSTATUS NTAPI USBSTOR_AddDevice ( IN PDRIVER_OBJECT  DriverObject,
IN PDEVICE_OBJECT  PhysicalDeviceObject 
)

Definition at line 18 of file usbstor.c.

21{
24 PFDO_DEVICE_EXTENSION DeviceExtension;
25
27 if (!NT_SUCCESS(Status))
28 {
29 DPRINT1("USBSTOR_AddDevice: Failed to create FDO Status %x\n", Status);
30 return Status;
31 }
32
33 DeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
34 ASSERT(DeviceExtension);
35 RtlZeroMemory(DeviceExtension, sizeof(FDO_DEVICE_EXTENSION));
36
37 // initialize device extension
38 DeviceExtension->Common.IsFDO = TRUE;
39 DeviceExtension->FunctionalDeviceObject = DeviceObject;
40 DeviceExtension->PhysicalDeviceObject = PhysicalDeviceObject;
41 DeviceExtension->LowerDeviceObject = IoAttachDeviceToDeviceStack(DeviceObject, PhysicalDeviceObject);
42
43 KeInitializeSpinLock(&DeviceExtension->CommonLock);
44
46
47 // did attaching fail
48 if (!DeviceExtension->LowerDeviceObject)
49 {
51
53 }
54
56
57 // device is initialized
58 DeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
59
60 return STATUS_SUCCESS;
61}
LONG NTSTATUS
Definition: precomp.h:26
#define DPRINT1
Definition: precomp.h:8
PDEVICE_OBJECT PhysicalDeviceObject
Definition: btrfs_drv.h:1157
#define FILE_DEVICE_SECURE_OPEN
Definition: cdrw_usr.h:46
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
struct _FDO_DEVICE_EXTENSION * PFDO_DEVICE_EXTENSION
VOID NTAPI USBSTOR_TimerRoutine(PDEVICE_OBJECT DeviceObject, PVOID Context)
Definition: error.c:205
#define DO_BUFFERED_IO
Definition: env_spec_w32.h:394
#define KeInitializeSpinLock(sl)
Definition: env_spec_w32.h:604
Status
Definition: gdiplustypes.h:25
NTSTATUS NTAPI IoInitializeTimer(IN PDEVICE_OBJECT DeviceObject, IN PIO_TIMER_ROUTINE TimerRoutine, IN PVOID Context)
Definition: iotimer.c:92
#define ASSERT(a)
Definition: mode.c:44
#define FILE_AUTOGENERATED_DEVICE_NAME
Definition: iotypes.h:138
PDEVICE_OBJECT NTAPI IoAttachDeviceToDeviceStack(IN PDEVICE_OBJECT SourceDevice, IN PDEVICE_OBJECT TargetDevice)
Definition: device.c:966
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
VOID NTAPI IoDeleteDevice(IN PDEVICE_OBJECT DeviceObject)
Definition: device.c:1251
#define STATUS_DEVICE_REMOVED
Definition: ntstatus.h:809
#define FILE_DEVICE_BUS_EXTENDER
Definition: winioctl.h:87
COMMON_DEVICE_EXTENSION Common
Definition: pci.h:84
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:262
_In_ PDEVICE_OBJECT DeviceObject
Definition: wdfdevice.h:2055
#define DO_POWER_PAGABLE

Referenced by DriverEntry().

◆ USBSTOR_DispatchClose()

NTSTATUS NTAPI USBSTOR_DispatchClose ( PDEVICE_OBJECT  DeviceObject,
PIRP  Irp 
)

Definition at line 73 of file usbstor.c.

76{
77 // function always succeeds ;)
78 DPRINT("USBSTOR_DispatchClose\n");
79 Irp->IoStatus.Information = 0;
80 Irp->IoStatus.Status = STATUS_SUCCESS;
82 return STATUS_SUCCESS;
83}
_In_ PIRP Irp
Definition: csq.h:116
#define IoCompleteRequest
Definition: irp.c:1240
#define IO_NO_INCREMENT
Definition: iotypes.h:598

Referenced by DriverEntry().

◆ USBSTOR_DispatchDeviceControl()

NTSTATUS NTAPI USBSTOR_DispatchDeviceControl ( PDEVICE_OBJECT  DeviceObject,
PIRP  Irp 
)

Definition at line 87 of file usbstor.c.

90{
92
94 Irp->IoStatus.Status = Status;
96 return Status;
97}
NTSTATUS USBSTOR_HandleDeviceControl(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
Definition: disk.c:413

Referenced by DriverEntry().

◆ USBSTOR_DispatchPnp()

NTSTATUS NTAPI USBSTOR_DispatchPnp ( PDEVICE_OBJECT  DeviceObject,
PIRP  Irp 
)

Definition at line 123 of file usbstor.c.

126{
127 PUSBSTOR_COMMON_DEVICE_EXTENSION DeviceExtension;
128
129 DeviceExtension = (PUSBSTOR_COMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
130
131 if (DeviceExtension->IsFDO)
132 {
134 }
135 else
136 {
138 }
139}
if(dx< 0)
Definition: linetemp.h:194
NTSTATUS USBSTOR_FdoHandlePnp(IN PDEVICE_OBJECT DeviceObject, IN OUT PIRP Irp)
Definition: fdo.c:282
NTSTATUS USBSTOR_PdoHandlePnp(IN PDEVICE_OBJECT DeviceObject, IN OUT PIRP Irp)
Definition: pdo.c:534
struct __COMMON_DEVICE_EXTENSION__ * PUSBSTOR_COMMON_DEVICE_EXTENSION

Referenced by DriverEntry().

◆ USBSTOR_DispatchPower()

NTSTATUS NTAPI USBSTOR_DispatchPower ( PDEVICE_OBJECT  DeviceObject,
PIRP  Irp 
)

Definition at line 162 of file usbstor.c.

165{
166 PFDO_DEVICE_EXTENSION DeviceExtension;
167
168 // get common device extension
169 DeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
170
171 if (DeviceExtension->Common.IsFDO)
172 {
175 return PoCallDriver(DeviceExtension->LowerDeviceObject, Irp);
176 }
177 else
178 {
180 Irp->IoStatus.Status = STATUS_SUCCESS;
182 return STATUS_SUCCESS;
183 }
184}
#define IoSkipCurrentIrpStackLocation(Irp)
Definition: ntifs_ex.h:421
VOID NTAPI PoStartNextPowerIrp(IN PIRP Irp)
Definition: power.c:758

Referenced by DriverEntry().

◆ USBSTOR_DispatchReadWrite()

NTSTATUS NTAPI USBSTOR_DispatchReadWrite ( PDEVICE_OBJECT  DeviceObject,
PIRP  Irp 
)

Definition at line 110 of file usbstor.c.

113{
114 // read write ioctl is not supported
115 Irp->IoStatus.Information = 0;
116 Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
119}
#define STATUS_INVALID_PARAMETER
Definition: udferr_usr.h:135

Referenced by DriverEntry().

◆ USBSTOR_DispatchScsi()

NTSTATUS NTAPI USBSTOR_DispatchScsi ( PDEVICE_OBJECT  DeviceObject,
PIRP  Irp 
)

Definition at line 101 of file usbstor.c.

104{
106}
NTSTATUS USBSTOR_HandleInternalDeviceControl(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
Definition: disk.c:81

Referenced by DriverEntry().

◆ USBSTOR_DispatchSystemControl()

NTSTATUS NTAPI USBSTOR_DispatchSystemControl ( IN PDEVICE_OBJECT  DeviceObject,
IN PIRP  Irp 
)

Definition at line 143 of file usbstor.c.

146{
149
150 if (DeviceExtension->IsFDO)
151 {
152 return IoCallDriver(((PFDO_DEVICE_EXTENSION)DeviceExtension)->LowerDeviceObject, Irp);
153 }
154 else
155 {
156 return IoCallDriver(((PPDO_DEVICE_EXTENSION)DeviceExtension)->LowerDeviceObject, Irp);
157 }
158}
_In_z_ PCCHAR _In_ PDEVICE_OBJECT LowerDeviceObject
Definition: classpnp.h:983
#define IoCallDriver
Definition: irp.c:1225

Referenced by DriverEntry().

◆ USBSTOR_Unload()

VOID NTAPI USBSTOR_Unload ( PDRIVER_OBJECT  DriverObject)

Definition at line 65 of file usbstor.c.

67{
68 // no-op
69}

Referenced by DriverEntry().