[sir_richard] 46338: [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.
22 Mar
2010
22 Mar
'10
4:12 a.m.
Author: sir_richard
Date: Mon Mar 22 05:12:02 2010
New Revision: 46338
URL: http://svn.reactos.org/svn/reactos?rev=46338&view=rev
Log:
[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.
Modified:
trunk/reactos/drivers/bus/acpi/cmbatt/cmbatt.c
trunk/reactos/drivers/bus/acpi/cmbatt/cmbatt.h
Modified: trunk/reactos/drivers/bus/acpi/cmbatt/cmbatt.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/bus/acpi/cmbatt/cm…
==============================================================================
--- trunk/reactos/drivers/bus/acpi/cmbatt/cmbatt.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/bus/acpi/cmbatt/cmbatt.c [iso-8859-1] Mon Mar 22 05:12:02 2010
@@ -353,6 +353,8 @@
{
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 @@
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 */
Modified: trunk/reactos/drivers/bus/acpi/cmbatt/cmbatt.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/bus/acpi/cmbatt/cm…
==============================================================================
--- trunk/reactos/drivers/bus/acpi/cmbatt/cmbatt.h [iso-8859-1] (original)
+++ trunk/reactos/drivers/bus/acpi/cmbatt/cmbatt.h [iso-8859-1] Mon Mar 22 05:12:02 2010
@@ -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
@@ -179,6 +197,13 @@
NTSTATUS
NTAPI
+CmBattGetBifData(
+ PCMBATT_DEVICE_EXTENSION DeviceExtension,
+ PACPI_BIF_DATA BifData
+);
+
+NTSTATUS
+NTAPI
CmBattSetTripPpoint(
PCMBATT_DEVICE_EXTENSION DeviceExtension,
ULONG AlarmValue
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sir_richard＠svn.reactos.org