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[COMPBATT]: Helper code, CompBattGetDeviceObjectPointer and BatteryIoctl.

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svn path=/trunk/; revision=46541
This commit is contained in:
Sir Richard 2010-03-29 00:10:56 +00:00
parent bf6ce4779e
commit 123bf68a1a
3 changed files with 90 additions and 7 deletions
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2
reactos/drivers/bus/acpi/compbatt/compbatt.h
View file

@ -132,7 +132,7 @@ CompBattMonitorIrpCompleteWorker(
NTSTATUS
NTAPI
CompBattGetDeviceObjectPointer(
IN PCUNICODE_STRING DeviceName,
IN PUNICODE_STRING DeviceName,
IN ACCESS_MASK DesiredAccess,
OUT PFILE_OBJECT *FileObject,
OUT PDEVICE_OBJECT *DeviceObject

93
reactos/drivers/bus/acpi/compbatt/compmisc.c
View file

@ -22,19 +22,102 @@ BatteryIoctl(IN ULONG IoControlCode,
IN ULONG OutputBufferLength,
IN BOOLEAN InternalDeviceIoControl)
{
UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED;
IO_STATUS_BLOCK IoStatusBlock;
KEVENT Event;
NTSTATUS Status;
PIRP Irp;
PAGED_CODE();
if (CompBattDebug & 0x100) DbgPrint("CompBatt: ENTERING BatteryIoctl\n");
/* Initialize the event and IRP */
KeInitializeEvent(&Event, SynchronizationEvent, 0);
Irp = IoBuildDeviceIoControlRequest(IoControlCode,
DeviceObject,
InputBuffer,
InputBufferLength,
OutputBuffer,
OutputBufferLength,
InternalDeviceIoControl,
&Event,
&IoStatusBlock);
if (Irp)
{
/* Call the class driver miniport */
Status = IofCallDriver(DeviceObject, Irp);
if (Status == STATUS_PENDING)
{
/* Wait for result */
KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
Status = IoStatusBlock.Status;
}
/* Print failure */
if (!(NT_SUCCESS(Status)) && (CompBattDebug & 8))
DbgPrint("BatteryIoctl: Irp failed - %x\n", Status);
/* Done */
if (CompBattDebug & 0x100) DbgPrint("CompBatt: EXITING BatteryIoctl\n");
}
else
{
/* Out of memory */
if (CompBattDebug & 8) DbgPrint("BatteryIoctl: couldn't create Irp\n");
Status = STATUS_INSUFFICIENT_RESOURCES;
}
/* Return status */
return Status;
}
NTSTATUS
NTAPI
CompBattGetDeviceObjectPointer(IN PCUNICODE_STRING DeviceName,
CompBattGetDeviceObjectPointer(IN PUNICODE_STRING DeviceName,
IN ACCESS_MASK DesiredAccess,
OUT PFILE_OBJECT *FileObject,
OUT PDEVICE_OBJECT *DeviceObject)
{
UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED;
NTSTATUS Status;
OBJECT_ATTRIBUTES ObjectAttributes;
IO_STATUS_BLOCK IoStatusBlock;
PFILE_OBJECT LocalFileObject;
HANDLE DeviceHandle;
PAGED_CODE();
/* Open a file object handle to the device */
InitializeObjectAttributes(&ObjectAttributes, DeviceName, 0, NULL, NULL);
Status = ZwCreateFile(&DeviceHandle,
DesiredAccess,
&ObjectAttributes,
&IoStatusBlock,
NULL,
0,
FILE_SHARE_READ | FILE_SHARE_WRITE,
FILE_OPEN,
0,
NULL,
0);
if (NT_SUCCESS(Status))
{
/* Reference the file object */
Status = ObReferenceObjectByHandle(DeviceHandle,
0,
IoFileObjectType,
KernelMode,
(PVOID)&LocalFileObject,
NULL);
if (NT_SUCCESS(Status))
{
/* Return the FO and the associated DO */
*FileObject = LocalFileObject;
*DeviceObject = IoGetRelatedDeviceObject(LocalFileObject);
}
/* Close the handle */
ZwClose(DeviceHandle);
}
/* Return status */
return Status;
}
/* EOF */

2
reactos/drivers/bus/acpi/compbatt/comppnp.c
View file

@ -102,7 +102,7 @@ IsBatteryAlreadyOnList(IN PCUNICODE_STRING BatteryName,
NTSTATUS
NTAPI
CompBattAddNewBattery(IN PCUNICODE_STRING BatteryName,
CompBattAddNewBattery(IN PUNICODE_STRING BatteryName,
IN PCOMPBATT_DEVICE_EXTENSION DeviceExtension)
{
NTSTATUS Status = STATUS_SUCCESS;