[sir_richard] 46336: [CMBATT]: Implement CmBattSystemControl to parse WMI requests.

Author: sir_richard
Date: Mon Mar 22 03:11:16 2010
New Revision: 46336

URL: http://svn.reactos.org/svn/reactos?rev=46336&view=rev
Log:
[CMBATT]: Implement CmBattSystemControl to parse WMI requests.

Modified:
    trunk/reactos/drivers/bus/acpi/cmbatt/cmbatt.rbuild
    trunk/reactos/drivers/bus/acpi/cmbatt/cmbpnp.c
    trunk/reactos/drivers/bus/acpi/cmbatt/cmbwmi.c

Modified: trunk/reactos/drivers/bus/acpi/cmbatt/cmbatt.rbuild
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/bus/acpi/cmbatt/cmb...
==============================================================================
--- trunk/reactos/drivers/bus/acpi/cmbatt/cmbatt.rbuild [iso-8859-1] (original)
+++ trunk/reactos/drivers/bus/acpi/cmbatt/cmbatt.rbuild [iso-8859-1] Mon Mar 22 03:11:16 2010
@@ -4,6 +4,7 @@
    <library>ntoskrnl</library>
    <library>hal</library>
    <library>battc</library>
+	<library>wmilib</library>
    <include base="cmbatt">.</include>
    <file>cmbatt.c</file>
    <file>cmexec.c</file>

Modified: trunk/reactos/drivers/bus/acpi/cmbatt/cmbpnp.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/bus/acpi/cmbatt/cmb...
==============================================================================
--- trunk/reactos/drivers/bus/acpi/cmbatt/cmbpnp.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/bus/acpi/cmbatt/cmbpnp.c [iso-8859-1] Mon Mar 22 03:11:16 2010
@@ -312,6 +312,7 @@
     if (CmBattDebug & 0x220)
         DbgPrint("CmBattAddBattery: pdo %x\n", DeviceObject);

+    /* Create the FDO */
     Status = CmBattCreateFdo(DriverObject,
                              DeviceObject,
                              sizeof(CMBATT_DEVICE_EXTENSION),

Modified: trunk/reactos/drivers/bus/acpi/cmbatt/cmbwmi.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/bus/acpi/cmbatt/cmb...
==============================================================================
--- trunk/reactos/drivers/bus/acpi/cmbatt/cmbwmi.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/bus/acpi/cmbatt/cmbwmi.c [iso-8859-1] Mon Mar 22 03:11:16 2010
@@ -18,6 +18,37 @@
 };

/* FUNCTIONS ******************************************************************/
+
+PCHAR
+NTAPI
+WMIMinorFunctionString(IN UCHAR MinorFunction)
+{
+    switch (MinorFunction)
+    {
+        case IRP_MN_CHANGE_SINGLE_INSTANCE:
+            return "IRP_MN_CHANGE_SINGLE_INSTANCE";
+        case IRP_MN_CHANGE_SINGLE_ITEM:
+            return "IRP_MN_CHANGE_SINGLE_ITEM";
+        case IRP_MN_DISABLE_COLLECTION:
+            return "IRP_MN_DISABLE_COLLECTION";
+        case IRP_MN_DISABLE_EVENTS:
+            return "IRP_MN_DISABLE_EVENTS";
+        case IRP_MN_ENABLE_COLLECTION:
+            return "IRP_MN_ENABLE_COLLECTION";
+        case IRP_MN_ENABLE_EVENTS:
+            return "IRP_MN_ENABLE_EVENTS";
+        case IRP_MN_EXECUTE_METHOD:
+            return "IRP_MN_EXECUTE_METHOD";
+        case IRP_MN_QUERY_ALL_DATA:
+            return "IRP_MN_QUERY_ALL_DATA";
+        case IRP_MN_QUERY_SINGLE_INSTANCE:
+            return "IRP_MN_QUERY_SINGLE_INSTANCE";
+        case IRP_MN_REGINFO:
+            return "IRP_MN_REGINFO";
+        default:
+            return "IRP_MN_?????";
+    }
+}

NTSTATUS
 NTAPI
@@ -111,11 +142,80 @@

NTSTATUS
 NTAPI
-CmBattSystemControl(PDEVICE_OBJECT DeviceObject,
-                    PIRP Irp)
-{
-    UNIMPLEMENTED;
-    return STATUS_NOT_IMPLEMENTED;
+CmBattSystemControl(IN PDEVICE_OBJECT DeviceObject,
+                    IN PIRP Irp)
+{
+    NTSTATUS Status;
+    PCMBATT_DEVICE_EXTENSION DeviceExtension;
+    PWMILIB_CONTEXT WmiLibContext;
+    SYSCTL_IRP_DISPOSITION Disposition = IrpForward;
+    PAGED_CODE();
+    if (CmBattDebug & 2)
+        DbgPrint("CmBatt: SystemControl: %s\n",
+                 WMIMinorFunctionString(IoGetCurrentIrpStackLocation(Irp)->MinorFunction));
+    
+    /* Acquire the remove lock */
+    DeviceExtension = DeviceObject->DeviceExtension;
+    Status = IoAcquireRemoveLock(&DeviceExtension->RemoveLock, 0);
+    if (!NT_SUCCESS(Status))
+    {
+        /* It's too late, fail */
+        Irp->IoStatus.Status = STATUS_DEVICE_REMOVED;
+        IofCompleteRequest(Irp, IO_NO_INCREMENT);
+        return STATUS_DEVICE_REMOVED;
+    }
+    
+    /* What kind of device is this? */
+    WmiLibContext = &DeviceExtension->WmiLibInfo;
+    if (DeviceExtension->FdoType == CmBattBattery)
+    {
+        /* For batteries, let the class driver handle it */
+        Status = BatteryClassSystemControl(DeviceExtension->ClassData,
+                                           WmiLibContext,
+                                           DeviceObject,
+                                           Irp,
+                                           &Disposition);
+    }
+    else
+    {
+        /* Otherwise, call the wmi library directly */
+        Status = WmiSystemControl(WmiLibContext,
+                                  DeviceObject,
+                                  Irp,
+                                  &Disposition);
+    }
+
+    /* Check what happened */
+    switch (Disposition)
+    {
+        case IrpNotCompleted:
+        
+            /* Complete it here */
+            if (CmBattDebug & 2) DbgPrint("CmBatt: SystemControl: Irp Not Completed.\n");
+            IofCompleteRequest(Irp, IO_NO_INCREMENT);
+            break;
+            
+        case IrpForward:
+        
+            /* Forward it to ACPI */
+            if (CmBattDebug & 2) DbgPrint("CmBatt: SystemControl: Irp Forward.\n");
+            IoSkipCurrentIrpStackLocation(Irp);
+            Status = IoCallDriver(DeviceExtension->AttachedDevice, Irp);
+            break;
+            
+        case IrpProcessed:
+        
+            /* Nothing to do */
+            if (CmBattDebug & 2) DbgPrint("CmBatt: SystemControl: Irp Processed.\n");
+            break;
+            
+        default:
+            ASSERT(FALSE);
+    }
+
+    /* Release the lock and return */
+    IoReleaseRemoveLock(&DeviceExtension->RemoveLock, 0);
+    return Status;
 }

/* EOF */