reactos/drivers/storage/ide/pciidex/power.c
Dmitry Borisov c0c57e2324 [PCIIDEX] Improve and fix the driver
- Fix IRP handling, add missing IRP handlers
- Specify the device name for DO
- The legacy IRQ descriptor is edge-triggered
- Improve pool tagging
- Place the PNP code in a pageable section

CORE-17256
2023-07-16 13:20:30 +03:00

66 lines
1.4 KiB
C

/*
* PROJECT: PCI IDE bus driver extension
* LICENSE: See COPYING in the top level directory
* PURPOSE: Power support functions
* COPYRIGHT: Copyright 2023 Dmitry Borisov <di.sean@protonmail.com>
*/
#include "pciidex.h"
#define NDEBUG
#include <debug.h>
static
NTSTATUS
PciIdeXPdoDispatchPower(
_In_ PPDO_DEVICE_EXTENSION PdoExtension,
_In_ PIRP Irp)
{
NTSTATUS Status;
PIO_STACK_LOCATION IoStack;
UNREFERENCED_PARAMETER(PdoExtension);
IoStack = IoGetCurrentIrpStackLocation(Irp);
switch (IoStack->MinorFunction)
{
case IRP_MN_SET_POWER:
case IRP_MN_QUERY_POWER:
Status = STATUS_SUCCESS;
Irp->IoStatus.Status = Status;
break;
default:
Status = Irp->IoStatus.Status;
break;
}
PoStartNextPowerIrp(Irp);
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
static
NTSTATUS
PciIdeXFdoDispatchPower(
_In_ PFDO_DEVICE_EXTENSION FdoExtension,
_In_ PIRP Irp)
{
PoStartNextPowerIrp(Irp);
IoSkipCurrentIrpStackLocation(Irp);
return PoCallDriver(FdoExtension->Ldo, Irp);
}
NTSTATUS
NTAPI
PciIdeXDispatchPower(
_In_ PDEVICE_OBJECT DeviceObject,
_Inout_ PIRP Irp)
{
PVOID DeviceExtension = DeviceObject->DeviceExtension;
if (IS_FDO(DeviceExtension))
return PciIdeXFdoDispatchPower(DeviceExtension, Irp);
else
return PciIdeXPdoDispatchPower(DeviceExtension, Irp);
}