ReactOS 0.4.15-dev-8241-g63935f8
devctrl.c File Reference
#include "cdprocs.h"
Include dependency graph for devctrl.c:

Go to the source code of this file.

Macros

#define BugCheckFileId   (CDFS_BUG_CHECK_DEVCTRL)
 

Functions

NTSTATUS NTAPI CdDevCtrlCompletionRoutine (_In_ PDEVICE_OBJECT DeviceObject, _In_ PIRP Irp, _In_reads_opt_(_Inexpressible_("varies")) PVOID Contxt)
 
NTSTATUS CdCommonDevControl (_Inout_ PIRP_CONTEXT IrpContext, _Inout_ PIRP Irp)
 

Variables

IO_COMPLETION_ROUTINE CdDevCtrlCompletionRoutine
 

Macro Definition Documentation

◆ BugCheckFileId

#define BugCheckFileId   (CDFS_BUG_CHECK_DEVCTRL)

Definition at line 23 of file devctrl.c.

Function Documentation

◆ CdCommonDevControl()

NTSTATUS CdCommonDevControl ( _Inout_ PIRP_CONTEXT  IrpContext,
_Inout_ PIRP  Irp 
)

Definition at line 46 of file devctrl.c.

61{
63
65 PFCB Fcb;
66 PCCB Ccb;
67
69 PIO_STACK_LOCATION NextIrpSp;
70
71 PAGED_CODE();
72
73 //
74 // Extract and decode the file object.
75 //
76
78
79 TypeOfOpen = CdDecodeFileObject( IrpContext,
81 &Fcb,
82 &Ccb );
83
84 //
85 // The only type of opens we accept are user volume opens.
86 //
87
89
92 }
93
95
96 //
97 // Verify the Vcb in this case to detect if the volume has changed.
98 //
99
100 CdVerifyVcb( IrpContext, Fcb->Vcb );
101
102 //
103 // Handle the case of the disk type ourselves.
104 //
105
106 } else if (IrpSp->Parameters.DeviceIoControl.IoControlCode == IOCTL_CDROM_DISK_TYPE) {
107
108 //
109 // Verify the Vcb in this case to detect if the volume has changed.
110 //
111
112 CdVerifyVcb( IrpContext, Fcb->Vcb );
113
114 //
115 // Check the size of the output buffer.
116 //
117
118 if (IrpSp->Parameters.DeviceIoControl.OutputBufferLength < sizeof( CDROM_DISK_DATA )) {
119
122 }
123
124 //
125 // Copy the data from the Vcb.
126 //
127
128 ((PCDROM_DISK_DATA) Irp->AssociatedIrp.SystemBuffer)->DiskData = Fcb->Vcb->DiskFlags;
129
130 Irp->IoStatus.Information = sizeof( CDROM_DISK_DATA );
131 CdCompleteRequest( IrpContext, Irp, STATUS_SUCCESS );
132 return STATUS_SUCCESS;
133 }
134
135 //
136 // Get the next stack location, and copy over the stack parameter
137 // information.
138 //
139
140 NextIrpSp = IoGetNextIrpStackLocation( Irp );
141
142 *NextIrpSp = *IrpSp;
143
144 //
145 // Set up the completion routine
146 //
147
150 NULL,
151 TRUE,
152 TRUE,
153 TRUE );
154
155 //
156 // Send the request.
157 //
158
159 Status = IoCallDriver( IrpContext->Vcb->TargetDeviceObject, Irp );
160
161 //
162 // Cleanup our Irp Context. The driver has completed the Irp.
163 //
164
165 CdCompleteRequest( IrpContext, NULL, STATUS_SUCCESS );
166
167 return Status;
168}
static PIO_STACK_LOCATION IoGetCurrentIrpStackLocation(PIRP Irp)
#define PAGED_CODE()
LONG NTSTATUS
Definition: precomp.h:26
VOID CdCompleteRequest(_Inout_opt_ PIRP_CONTEXT IrpContext, _Inout_opt_ PIRP Irp, _In_ NTSTATUS Status)
Definition: cddata.c:914
_Inout_ PFILE_OBJECT _In_ TYPE_OF_OPEN TypeOfOpen
Definition: cdprocs.h:589
VOID CdVerifyVcb(_In_ PIRP_CONTEXT IrpContext, _Inout_ PVCB Vcb)
Definition: verfysup.c:411
@ UserVolumeOpen
Definition: cdprocs.h:575
_In_ PFCB Fcb
Definition: cdprocs.h:159
_Inout_ PFILE_OBJECT _In_ TYPE_OF_OPEN PFCB _In_opt_ PCCB Ccb
Definition: cdprocs.h:592
enum _TYPE_OF_OPEN TYPE_OF_OPEN
_In_ PIRP Irp
Definition: csq.h:116
#define NULL
Definition: types.h:112
#define TRUE
Definition: types.h:120
_In_ PIO_STACK_LOCATION IrpSp
Definition: create.c:4137
IO_COMPLETION_ROUTINE CdDevCtrlCompletionRoutine
Definition: devctrl.c:30
Status
Definition: gdiplustypes.h:25
#define IoSetCompletionRoutine(_Irp, _CompletionRoutine, _Context, _InvokeOnSuccess, _InvokeOnError, _InvokeOnCancel)
Definition: irp.cpp:490
struct _CDROM_DISK_DATA * PCDROM_DISK_DATA
#define IOCTL_CDROM_DISK_TYPE
Definition: ntddcdrm.h:70
struct _CDROM_DISK_DATA CDROM_DISK_DATA
#define IOCTL_CDROM_READ_TOC
Definition: ntddcdrm.h:34
#define IoCallDriver
Definition: irp.c:1225
#define STATUS_SUCCESS
Definition: shellext.h:65
#define STATUS_BUFFER_TOO_SMALL
Definition: shellext.h:69
Definition: cdstruc.h:1067
Definition: cdstruc.h:902
PVCB Vcb
Definition: cdstruc.h:933
PFILE_OBJECT FileObject
Definition: iotypes.h:3169
union _IO_STACK_LOCATION::@1573 Parameters
struct _IO_STACK_LOCATION::@1573::@1574 DeviceIoControl
ULONG DiskFlags
Definition: cdstruc.h:640
#define STATUS_INVALID_PARAMETER
Definition: udferr_usr.h:135
__drv_aliasesMem FORCEINLINE PIO_STACK_LOCATION IoGetNextIrpStackLocation(_In_ PIRP Irp)
Definition: iofuncs.h:2695

Referenced by _IRQL_requires_max_(), and CdFspDispatch().

◆ CdDevCtrlCompletionRoutine()

NTSTATUS NTAPI CdDevCtrlCompletionRoutine ( _In_ PDEVICE_OBJECT  DeviceObject,
_In_ PIRP  Irp,
_In_reads_opt_(_Inexpressible_("varies")) PVOID  Contxt 
)

Definition at line 177 of file devctrl.c.

183{
184 //
185 // Add the hack-o-ramma to fix formats.
186 //
187
188 if (Irp->PendingReturned) {
189
191 }
192
193 return STATUS_SUCCESS;
194
196 UNREFERENCED_PARAMETER( Contxt );
197}
IoMarkIrpPending(Irp)
#define UNREFERENCED_PARAMETER(P)
Definition: ntbasedef.h:317
_In_ PDEVICE_OBJECT DeviceObject
Definition: wdfdevice.h:2055

Variable Documentation

◆ CdDevCtrlCompletionRoutine

NTSTATUS NTAPI CdDevCtrlCompletionRoutine

Definition at line 30 of file devctrl.c.

Referenced by CdCommonDevControl().