[cgutman] 46687: [PCI] - Fix the Vector value of the interrupt resource - Actually set the device to use the interrupt that the PnP manager gave us

Author: cgutman
Date: Fri Apr  2 19:07:38 2010
New Revision: 46687

URL: http://svn.reactos.org/svn/reactos?rev=46687&view=rev
Log:
[PCI]
- Fix the Vector value of the interrupt resource
- Actually set the device to use the interrupt that the PnP manager gave us

Modified:
    trunk/reactos/drivers/bus/pci/pdo.c

Modified: trunk/reactos/drivers/bus/pci/pdo.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/bus/pci/pdo.c?rev=4...
==============================================================================
--- trunk/reactos/drivers/bus/pci/pdo.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/bus/pci/pdo.c [iso-8859-1] Fri Apr  2 19:07:38 2010
@@ -775,7 +775,7 @@
       Descriptor->ShareDisposition = CmResourceShareShared;
       Descriptor->Flags = CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE;
       Descriptor->u.Interrupt.Level = PciConfig.u.type0.InterruptLine;
-      Descriptor->u.Interrupt.Vector = 0;
+      Descriptor->u.Interrupt.Vector = PciConfig.u.type0.InterruptLine;
       Descriptor->u.Interrupt.Affinity = 0xFFFFFFFF;
     }
   }
@@ -1186,6 +1186,49 @@
   return Status;
 }

+static NTSTATUS
+PdoStartDevice(
+  IN PDEVICE_OBJECT DeviceObject,
+  IN PIRP Irp,
+  PIO_STACK_LOCATION IrpSp)
+{
+  PCM_RESOURCE_LIST RawResList = IrpSp->Parameters.StartDevice.AllocatedResources;
+  PCM_FULL_RESOURCE_DESCRIPTOR RawFullDesc;
+  PCM_PARTIAL_RESOURCE_DESCRIPTOR RawPartialDesc;
+  ULONG i, ii;
+  PPDO_DEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
+  UCHAR Irq;
+
+  /* TODO: Assign the other resources we get to the card */
+
+  for (i = 0; i < RawResList->Count; i++)
+  {
+      RawFullDesc = &RawResList->List[i];
+
+      for (ii = 0; ii < RawFullDesc->PartialResourceList.Count; ii++)
+      {
+          RawPartialDesc = &RawFullDesc->PartialResourceList.PartialDescriptors[ii];
+
+          if (RawPartialDesc->Type == CmResourceTypeInterrupt)
+          {
+              DPRINT1("Assigning IRQ %x to PCI device (%x, %x)\n",
+                      RawPartialDesc->u.Interrupt.Vector,
+                      DeviceExtension->PciDevice->SlotNumber.u.AsULONG,
+                      DeviceExtension->PciDevice->BusNumber);
+
+              Irq = (UCHAR)RawPartialDesc->u.Interrupt.Vector;
+              HalSetBusDataByOffset(PCIConfiguration,
+                                    DeviceExtension->PciDevice->BusNumber,
+                                    DeviceExtension->PciDevice->SlotNumber.u.AsULONG,
+                                    &Irq,
+                                    0x3c /* PCI_INTERRUPT_LINE */,
+                                    sizeof(UCHAR));
+          }
+      }
+   }
+
+   return STATUS_SUCCESS;
+}

static NTSTATUS
 PdoReadConfig(
@@ -1352,6 +1395,9 @@
     break;

case IRP_MN_START_DEVICE:
+    Status = PdoStartDevice(DeviceObject, Irp, IrpSp);
+    break;
+
   case IRP_MN_QUERY_STOP_DEVICE:
   case IRP_MN_CANCEL_STOP_DEVICE:
   case IRP_MN_STOP_DEVICE: