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Diffstat (limited to 'private/ntos/tdi/acd/ntinit.c')
| -rw-r--r-- | private/ntos/tdi/acd/ntinit.c | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/private/ntos/tdi/acd/ntinit.c b/private/ntos/tdi/acd/ntinit.c new file mode 100644 index 000000000..24ad73ef0 --- /dev/null +++ b/private/ntos/tdi/acd/ntinit.c @@ -0,0 +1,223 @@ +/*++ + +Copyright (c) 1991 Microsoft Corporation + +Module Name: + + ntinit.c + +Abstract: + + NT specific routines for loading and configuring the + automatic connection notification driver (acd.sys). + +Author: + + Anthony Discolo (adiscolo) 18-Apr-1995 + +Revision History: + +--*/ +#include <ndis.h> +#include <cxport.h> +#include <tdi.h> +#include <tdikrnl.h> +#include <tdistat.h> +#include <tdiinfo.h> +#include <acd.h> + +#include "acdapi.h" +#include "acddefs.h" +#include "mem.h" +#include "debug.h" + + +// +// Global variables +// +#if DBG +ULONG AcdDebugG = 0x0; // see debug.h for flags +#endif + +PDRIVER_OBJECT pAcdDriverObjectG; +PDEVICE_OBJECT pAcdDeviceObjectG; + +HANDLE hSignalNotificationThreadG; + +// +// Imported routines +// +VOID +AcdNotificationRequestThread( + PVOID context + ); + +// +// External function prototypes +// +NTSTATUS +AcdDispatch( + IN PDEVICE_OBJECT pDeviceObject, + IN PIRP pIrp + ); + +VOID +AcdConnectionTimer( + IN PDEVICE_OBJECT pDeviceObject, + IN PVOID pContext + ); + +// +// Internal function prototypes +// +NTSTATUS +DriverEntry( + IN PDRIVER_OBJECT pDriverObject, + IN PUNICODE_STRING pRegistryPath + ); + +BOOLEAN +GetComputerName( + IN PUCHAR szName, + IN USHORT cbName + ); + +VOID +AcdUnload( + IN PDRIVER_OBJECT pDriverObject + ); + +#ifdef ALLOC_PRAGMA +#pragma alloc_text(INIT, DriverEntry) +#pragma alloc_text(PAGE, AcdUnload) +#endif // ALLOC_PRAGMA + + +NTSTATUS +DriverEntry( + IN PDRIVER_OBJECT pDriverObject, + IN PUNICODE_STRING pRegistryPath + ) + +/*++ + +DESCRIPTION + Initialization routine for the network connection notification driver. + It creates the device object and initializes the driver. + +ARGUMENTS + pDriverObject: a pointer to the driver object created by the system. + + pRegistryPath - the name of the configuration node in the registry. + +RETURN VALUE + The final status from the initialization operation. + +--*/ + +{ + NTSTATUS status; + UNICODE_STRING deviceName; + ULONG i; + OBJECT_ATTRIBUTES objectAttributes; + IO_STATUS_BLOCK ioStatusBlock; + PDEVICE_OBJECT pDeviceObject; + PFILE_OBJECT pFileObject; + + // + // Initialize the spin lock. + // + KeInitializeSpinLock(&AcdSpinLockG); + // + // Initialize the notification and completion + // connection queues. + // + InitializeListHead(&AcdNotificationQueueG); + InitializeListHead(&AcdCompletionQueueG); + InitializeListHead(&AcdConnectionQueueG); + InitializeListHead(&AcdDriverListG); + // + // Initialize our zone allocator. + // + InitializeObjectAllocator(); + // + // Create the device object. + // + pAcdDriverObjectG = pDriverObject; + RtlInitUnicodeString(&deviceName, ACD_DEVICE_NAME); + status = IoCreateDevice( + pDriverObject, + 0, + &deviceName, + FILE_DEVICE_ACD, + 0, + FALSE, + &pAcdDeviceObjectG); + + if (!NT_SUCCESS(status)) { + DbgPrint( + "AcdDriverEntry: IoCreateDevice failed (status=0x%x)\n", + status); + return status; + } + // + // Initialize the driver object. + // + //pDriverObject->DriverUnload = AcdUnload; + pDriverObject->DriverUnload = NULL; + for (i = 0; i < IRP_MJ_MAXIMUM_FUNCTION; i++) + pDriverObject->MajorFunction[i] = AcdDispatch; + pDriverObject->FastIoDispatch = NULL; + // + // Initialize the connection timer. This is + // used to make sure pending requests aren't + // blocked forever because the user-space + // process died trying to make a connection. + // + IoInitializeTimer(pAcdDeviceObjectG, AcdConnectionTimer, NULL); + // + // Create the worker thread. We need + // a thread because these operations can occur at + // DPC irql. + // + KeInitializeEvent( + &AcdRequestThreadEventG, + NotificationEvent, + FALSE); + status = PsCreateSystemThread( + &hSignalNotificationThreadG, + THREAD_ALL_ACCESS, + NULL, + NULL, + NULL, + AcdNotificationRequestThread, + NULL); + if (!NT_SUCCESS(status)) { + DbgPrint( + "AcdDriverEntry: PsCreateSystemThread failed (status=0x%x)\n", + status); + return status; + } + + return STATUS_SUCCESS; +} // DriverEntry + + + +VOID +AcdUnload( + IN PDRIVER_OBJECT pDriverObject + ) +{ + NTSTATUS status; + + // + // BUGBUG: Make sure to unlink all driver + // blocks before unloading! + // + IoDeleteDevice(pAcdDeviceObjectG); + // + // Free zone allocator. + // + FreeObjectAllocator(); +} // AcdUnload |