mirror of
https://github.com/reactos/reactos.git
synced 2025-04-22 13:10:39 +00:00
Pass pointer to CSRSS process on first create request.
svn path=/trunk/; revision=3079
This commit is contained in:
Eric Kohl
parent
69c0982e64
commit
01b92c6de5
2 changed files with 96 additions and 77 deletions
|
|
@ -1,4 +1,4 @@
|
|||
/* $Id: vidport.c,v 1.22 2002/02/12 12:00:28 jfilby Exp $
|
||||
/* $Id: vidport.c,v 1.23 2002/06/14 14:22:22 ekohl Exp $
|
||||
*
|
||||
* VideoPort driver
|
||||
* Written by Rex Jolliff
|
||||
|
|
@ -11,7 +11,10 @@
|
|||
|
||||
#include "vidport.h"
|
||||
|
||||
#define UNIMPLEMENTED do {DbgPrint("%s:%d: Function not implemented", __FILE__, __LINE__); for(;;);} while (0)
|
||||
#define NDEBUG
|
||||
#include <debug.h>
|
||||
|
||||
//#define UNIMPLEMENTED do {DbgPrint("%s:%d: Function not implemented", __FILE__, __LINE__); for(;;);} while (0)
|
||||
|
||||
#define VERSION "0.0.0"
|
||||
|
||||
|
|
@ -19,8 +22,9 @@ static VOID STDCALL VidStartIo(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp);
|
|||
static NTSTATUS STDCALL VidDispatchOpenClose(IN PDEVICE_OBJECT pDO, IN PIRP Irp);
|
||||
static NTSTATUS STDCALL VidDispatchDeviceControl(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp);
|
||||
|
||||
static HANDLE CsrssHandle;
|
||||
static struct _EPROCESS* Csrss;
|
||||
static BOOLEAN CsrssInitialized = FALSE;
|
||||
static HANDLE CsrssHandle = 0;
|
||||
static struct _EPROCESS* Csrss = NULL;
|
||||
|
||||
PBYTE ReturnCsrssAddress(void)
|
||||
{
|
||||
|
|
@ -50,7 +54,7 @@ STDCALL NTSTATUS
|
|||
DriverEntry(IN PDRIVER_OBJECT DriverObject,
|
||||
IN PUNICODE_STRING RegistryPath)
|
||||
{
|
||||
return STATUS_SUCCESS;
|
||||
return(STATUS_SUCCESS);
|
||||
}
|
||||
|
||||
VOID
|
||||
|
|
@ -170,8 +174,7 @@ VideoPortGetRegistryParameters(IN PVOID HwDeviceExtension,
|
|||
UNIMPLEMENTED;
|
||||
}
|
||||
|
||||
ULONG
|
||||
STDCALL
|
||||
ULONG STDCALL
|
||||
VideoPortInitialize(IN PVOID Context1,
|
||||
IN PVOID Context2,
|
||||
IN PVIDEO_HW_INITIALIZATION_DATA HwInitializationData,
|
||||
|
|
@ -259,6 +262,7 @@ VideoPortInitialize(IN PVOID Context1,
|
|||
!(ConfigInfo.BusInterruptLevel == 0 &&
|
||||
ConfigInfo.BusInterruptVector == 0))
|
||||
{
|
||||
#if 0
|
||||
ExtensionData->IRQL = ConfigInfo.BusInterruptLevel;
|
||||
ExtensionData->InterruptLevel =
|
||||
HalGetInterruptVector(ConfigInfo.AdapterInterfaceType,
|
||||
|
|
@ -287,39 +291,12 @@ VideoPortInitialize(IN PVOID Context1,
|
|||
|
||||
return Status;
|
||||
}
|
||||
|
||||
#endif
|
||||
}
|
||||
DeviceNumber++;
|
||||
}
|
||||
while (Again);
|
||||
|
||||
/* Find a process handle for csrss */
|
||||
Cid.UniqueProcess = (HANDLE)3;
|
||||
Cid.UniqueThread = 0;
|
||||
Status = ZwOpenProcess(&CsrssHandle,
|
||||
PROCESS_ALL_ACCESS,
|
||||
NULL,
|
||||
&Cid);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
DbgPrint("VIDPORT: Failed to open csrss\n");
|
||||
Csrss = NULL;
|
||||
}
|
||||
else
|
||||
{
|
||||
Status = ObReferenceObjectByHandle(CsrssHandle,
|
||||
PROCESS_ALL_ACCESS,
|
||||
NULL,
|
||||
KernelMode,
|
||||
(PVOID*)&Csrss,
|
||||
NULL);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
DbgPrint("VIDPORT: Failed to reference csrss handle\n");
|
||||
Csrss = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
/* FIXME: initialize timer routine for MP Driver */
|
||||
if (HwInitializationData->HwTimer != NULL)
|
||||
{
|
||||
|
|
@ -690,8 +667,7 @@ VideoPortWriteRegisterBufferUchar(IN PUCHAR Register,
|
|||
WRITE_REGISTER_BUFFER_UCHAR(Register, Buffer, Count);
|
||||
}
|
||||
|
||||
VOID
|
||||
STDCALL
|
||||
VOID STDCALL
|
||||
VideoPortWriteRegisterBufferUshort(IN PUSHORT Register,
|
||||
IN PUSHORT Buffer,
|
||||
IN ULONG Count)
|
||||
|
|
@ -699,8 +675,7 @@ VideoPortWriteRegisterBufferUshort(IN PUSHORT Register,
|
|||
WRITE_REGISTER_BUFFER_USHORT(Register, Buffer, Count);
|
||||
}
|
||||
|
||||
VOID
|
||||
STDCALL
|
||||
VOID STDCALL
|
||||
VideoPortWriteRegisterBufferUlong(IN PULONG Register,
|
||||
IN PULONG Buffer,
|
||||
IN ULONG Count)
|
||||
|
|
@ -708,8 +683,7 @@ VideoPortWriteRegisterBufferUlong(IN PULONG Register,
|
|||
WRITE_REGISTER_BUFFER_ULONG(Register, Buffer, Count);
|
||||
}
|
||||
|
||||
VOID
|
||||
STDCALL
|
||||
VOID STDCALL
|
||||
VideoPortZeroDeviceMemory(OUT PVOID Destination,
|
||||
IN ULONG Length)
|
||||
{
|
||||
|
|
@ -734,11 +708,25 @@ VideoPortZeroDeviceMemory(OUT PVOID Destination,
|
|||
// NTSTATUS
|
||||
//
|
||||
|
||||
static NTSTATUS
|
||||
STDCALL
|
||||
static NTSTATUS STDCALL
|
||||
VidDispatchOpenClose(IN PDEVICE_OBJECT pDO,
|
||||
IN PIRP Irp)
|
||||
{
|
||||
PIO_STACK_LOCATION IrpStack;
|
||||
|
||||
DPRINT("VidDispatchOpenClose() called\n");
|
||||
|
||||
IrpStack = IoGetCurrentIrpStackLocation(Irp);
|
||||
|
||||
if (IrpStack->MajorFunction == IRP_MJ_CREATE &&
|
||||
CsrssInitialized == FALSE)
|
||||
{
|
||||
DPRINT("Referencing CSRSS\n");
|
||||
Csrss = PsGetCurrentProcess();
|
||||
CsrssInitialized = TRUE;
|
||||
DPRINT("Csrss %p\n", Csrss);
|
||||
}
|
||||
|
||||
Irp->IoStatus.Status = STATUS_SUCCESS;
|
||||
Irp->IoStatus.Information = FILE_OPENED;
|
||||
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
||||
|
|
@ -761,8 +749,7 @@ VidDispatchOpenClose(IN PDEVICE_OBJECT pDO,
|
|||
// NTSTATUS
|
||||
//
|
||||
|
||||
static VOID
|
||||
STDCALL
|
||||
static VOID STDCALL
|
||||
VidStartIo(IN PDEVICE_OBJECT DeviceObject,
|
||||
IN PIRP Irp)
|
||||
{
|
||||
|
|
@ -784,30 +771,32 @@ VidStartIo(IN PDEVICE_OBJECT DeviceObject,
|
|||
// NTSTATUS
|
||||
//
|
||||
|
||||
static NTSTATUS
|
||||
STDCALL
|
||||
static NTSTATUS STDCALL
|
||||
VidDispatchDeviceControl(IN PDEVICE_OBJECT DeviceObject,
|
||||
IN PIRP Irp)
|
||||
{
|
||||
PIO_STACK_LOCATION IrpStack;
|
||||
PVIDEO_REQUEST_PACKET vrp;
|
||||
|
||||
IrpStack = IoGetCurrentIrpStackLocation(Irp);
|
||||
|
||||
// Translate the IRP to a VRP
|
||||
vrp = ExAllocatePool(PagedPool, sizeof(VIDEO_REQUEST_PACKET));
|
||||
vrp->StatusBlock = ExAllocatePool(PagedPool, sizeof(STATUS_BLOCK));
|
||||
vrp->IoControlCode = Irp->Stack[0].Parameters.DeviceIoControl.IoControlCode;
|
||||
vrp->IoControlCode = IrpStack->Parameters.DeviceIoControl.IoControlCode;
|
||||
|
||||
// We're assuming METHOD_BUFFERED
|
||||
vrp->InputBuffer = Irp->AssociatedIrp.SystemBuffer;
|
||||
vrp->InputBufferLength = Irp->Stack[0].Parameters.DeviceIoControl.InputBufferLength;
|
||||
vrp->InputBufferLength = IrpStack->Parameters.DeviceIoControl.InputBufferLength;
|
||||
vrp->OutputBuffer = Irp->UserBuffer;
|
||||
vrp->OutputBufferLength = Irp->Stack[0].Parameters.DeviceIoControl.OutputBufferLength;
|
||||
vrp->OutputBufferLength = IrpStack->Parameters.DeviceIoControl.OutputBufferLength;
|
||||
|
||||
// Call the Miniport Driver with the VRP
|
||||
DeviceObject->DriverObject->DriverStartIo(DeviceObject->DeviceExtension, (PIRP)vrp);
|
||||
|
||||
// Translate the VRP back into the IRP for OutputBuffer
|
||||
Irp->UserBuffer = vrp->OutputBuffer;
|
||||
Irp->Stack[0].Parameters.DeviceIoControl.OutputBufferLength = vrp->OutputBufferLength;
|
||||
IrpStack->Parameters.DeviceIoControl.OutputBufferLength = vrp->OutputBufferLength;
|
||||
|
||||
// Free the VRP
|
||||
ExFreePool(vrp->StatusBlock);
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
/* $Id: init.c,v 1.12 2001/06/25 23:48:20 ekohl Exp $
|
||||
/* $Id: init.c,v 1.13 2002/06/14 14:23:14 ekohl Exp $
|
||||
*
|
||||
* reactos/subsys/csrss/init.c
|
||||
*
|
||||
|
|
@ -75,6 +75,34 @@ CsrParseCommandLine (
|
|||
}
|
||||
|
||||
|
||||
static VOID
|
||||
CsrInitVideo(VOID)
|
||||
{
|
||||
OBJECT_ATTRIBUTES ObjectAttributes;
|
||||
UNICODE_STRING DeviceName;
|
||||
IO_STATUS_BLOCK Iosb;
|
||||
HANDLE VideoHandle;
|
||||
NTSTATUS Status;
|
||||
|
||||
RtlInitUnicodeString(&DeviceName, L"\\??\\DISPLAY1");
|
||||
InitializeObjectAttributes(&ObjectAttributes,
|
||||
&DeviceName,
|
||||
0,
|
||||
NULL,
|
||||
NULL);
|
||||
Status = NtOpenFile(&VideoHandle,
|
||||
FILE_ALL_ACCESS,
|
||||
&ObjectAttributes,
|
||||
&Iosb,
|
||||
0,
|
||||
0);
|
||||
if (NT_SUCCESS(Status))
|
||||
{
|
||||
NtClose(VideoHandle);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**********************************************************************
|
||||
* NAME
|
||||
* CsrServerInitialization
|
||||
|
|
@ -109,6 +137,8 @@ CsrServerInitialization (
|
|||
return(FALSE);
|
||||
}
|
||||
|
||||
CsrInitVideo();
|
||||
|
||||
/* NEW NAMED PORT: \ApiPort */
|
||||
RtlInitUnicodeString(&PortName, L"\\Windows\\ApiPort");
|
||||
InitializeObjectAttributes(&ObAttributes,
|
||||
|
|
|
|||
Loading…
Reference in a new issue