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[CMBATT]: CmBattIoctl: Add handling for the direct-access undocumented IOCTLs. Some PnP glue remains, as well as the ACPI routines, and the driver is done.

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svn path=/trunk/; revision=46338
This commit is contained in:
Sir Richard 2010-03-22 04:12:02 +00:00
parent 9cb5d1c622
commit db734f6736
2 changed files with 169 additions and 5 deletions
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149
reactos/drivers/bus/acpi/cmbatt/cmbatt.c
View file

@ -353,6 +353,8 @@ CmBattIoctl(IN PDEVICE_OBJECT DeviceObject,
{
PCMBATT_DEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
NTSTATUS Status;
PIO_STACK_LOCATION IoStackLocation;
ULONG IoControlCode, OutputBufferLength, InputBufferLength;
PAGED_CODE();
if (CmBattDebug & 2) DbgPrint("CmBattIoctl\n");
@ -380,11 +382,148 @@ CmBattIoctl(IN PDEVICE_OBJECT DeviceObject,
Status = BatteryClassIoctl(DeviceExtension->ClassData, Irp);
if (Status == STATUS_NOT_SUPPORTED)
{
/* FIXME: Should handle custom codes here */
Irp->IoStatus.Status = Status;
Irp->IoStatus.Information = 0;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
/* Read IOCTL information from IRP stack */
IoStackLocation = IoGetCurrentIrpStackLocation(Irp);
IoControlCode = IoStackLocation->Parameters.DeviceIoControl.IoControlCode;
OutputBufferLength = IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength;
InputBufferLength = IoStackLocation->Parameters.DeviceIoControl.InputBufferLength;
if (CmBattDebug & 4)
DbgPrint("CmBattIoctl: Received Direct Access IOCTL %x\n", IoControlCode);
/* Handle internal IOCTLs */
switch (IoControlCode)
{
case IOCTL_BATTERY_QUERY_UNIQUE_ID:
/* Data is 4 bytes long */
if (OutputBufferLength == sizeof(ULONG))
{
/* Query it */
Status = CmBattGetUniqueId(DeviceExtension->PdoDeviceObject,
Irp->AssociatedIrp.SystemBuffer);
if (NT_SUCCESS(Status)) Irp->IoStatus.Information = sizeof(ULONG);
}
else
{
/* Buffer size invalid */
Status = STATUS_INVALID_BUFFER_SIZE;
}
break;
case IOCTL_BATTERY_QUERY_STA:
/* Data is 4 bytes long */
if (OutputBufferLength == sizeof(ULONG))
{
/* Query it */
Status = CmBattGetStaData(DeviceExtension->PdoDeviceObject,
Irp->AssociatedIrp.SystemBuffer);
if (NT_SUCCESS(Status)) Irp->IoStatus.Information = sizeof(ULONG);
}
else
{
/* Buffer size invalid */
Status = STATUS_INVALID_BUFFER_SIZE;
}
break;
case IOCTL_BATTERY_QUERY_PSR:
/* Data is 4 bytes long */
if (OutputBufferLength == sizeof(ULONG))
{
/* Do we have an AC adapter? */
if (AcAdapterPdo)
{
/* Query it */
Status = CmBattGetPsrData(AcAdapterPdo,
Irp->AssociatedIrp.SystemBuffer);
if (NT_SUCCESS(Status)) Irp->IoStatus.Information = sizeof(ULONG);
}
else
{
/* No adapter, just a battery, so fail */
Status = STATUS_NO_SUCH_DEVICE;
}
}
else
{
/* Buffer size invalid */
Status = STATUS_INVALID_BUFFER_SIZE;
}
break;
case IOCTL_BATTERY_SET_TRIP_POINT:
/* Data is 4 bytes long */
if (InputBufferLength == sizeof(ULONG))
{
/* Query it */
Status = CmBattSetTripPpoint(DeviceExtension,
*(PULONG)Irp->AssociatedIrp.SystemBuffer);
Irp->IoStatus.Information = 0;
}
else
{
/* Buffer size invalid */
Status = STATUS_INVALID_BUFFER_SIZE; }
break;
case IOCTL_BATTERY_QUERY_BIF:
/* Data is 1060 bytes long */
if (OutputBufferLength == sizeof(ACPI_BIF_DATA))
{
/* Query it */
Status = CmBattGetBifData(DeviceExtension,
Irp->AssociatedIrp.SystemBuffer);
if (NT_SUCCESS(Status)) Irp->IoStatus.Information = sizeof(ACPI_BIF_DATA);
}
else
{
/* Buffer size invalid */
Status = STATUS_INVALID_BUFFER_SIZE;
}
break;
case IOCTL_BATTERY_QUERY_BST:
/* Data is 16 bytes long */
if (OutputBufferLength == sizeof(ACPI_BST_DATA))
{
/* Query it */
Status = CmBattGetBstData(DeviceExtension,
Irp->AssociatedIrp.SystemBuffer);
if (NT_SUCCESS(Status)) Irp->IoStatus.Information = sizeof(ACPI_BST_DATA);
}
else
{
/* Buffer size invalid */
Status = STATUS_INVALID_BUFFER_SIZE;
}
break;
default:
/* Unknown, let us pass it on to ACPI */
if (CmBattDebug & 0xC)
DbgPrint("CmBattIoctl: Unknown IOCTL %x\n", IoControlCode);
break;
}
/* Did someone pick it up? */
if (Status != STATUS_NOT_SUPPORTED)
{
/* Complete the request */
Irp->IoStatus.Status = Status;
IofCompleteRequest(Irp, IO_NO_INCREMENT);
}
else
{
/* Still unsupported, try ACPI */
IoSkipCurrentIrpStackLocation(Irp);
Status = IoCallDriver(DeviceExtension->AttachedDevice, Irp);
}
}
/* Release the remove lock and return status */

25
reactos/drivers/bus/acpi/cmbatt/cmbatt.h
View file

@ -14,6 +14,24 @@
#include <wdmguid.h>
#include <debug.h>
#define IOCTL_BATTERY_QUERY_UNIQUE_ID \
CTL_CODE(FILE_DEVICE_BATTERY, 0x101, METHOD_BUFFERED, FILE_READ_ACCESS) // 0x294404
#define IOCTL_BATTERY_QUERY_STA \
CTL_CODE(FILE_DEVICE_BATTERY, 0x102, METHOD_BUFFERED, FILE_READ_ACCESS) // 0x294408
#define IOCTL_BATTERY_QUERY_PSR \
CTL_CODE(FILE_DEVICE_BATTERY, 0x103, METHOD_BUFFERED, FILE_READ_ACCESS) // 0x29440C
#define IOCTL_BATTERY_SET_TRIP_POINT \
CTL_CODE(FILE_DEVICE_BATTERY, 0x104, METHOD_BUFFERED, FILE_READ_ACCESS) // 0x294410
#define IOCTL_BATTERY_QUERY_BIF \
CTL_CODE(FILE_DEVICE_BATTERY, 0x105, METHOD_BUFFERED, FILE_READ_ACCESS) // 0x294414
#define IOCTL_BATTERY_QUERY_BST \
CTL_CODE(FILE_DEVICE_BATTERY, 0x106, METHOD_BUFFERED, FILE_READ_ACCESS) // 0x294418
#define CMBATT_GENERIC_STATUS 0x01
#define CMBATT_GENERIC_INFO 0x02
#define CMBATT_GENERIC_WARNING 0x04
@ -177,6 +195,13 @@ CmBattGetStaData(
PULONG StaData
);
NTSTATUS
NTAPI
CmBattGetBifData(
PCMBATT_DEVICE_EXTENSION DeviceExtension,
PACPI_BIF_DATA BifData
);
NTSTATUS
NTAPI
CmBattSetTripPpoint(