535 lines
13 KiB
C
535 lines
13 KiB
C
/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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vfpower.c
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Abstract:
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This module handles Power Irp verification.
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Author:
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Adrian J. Oney (adriao) 20-Apr-1998
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Environment:
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Kernel mode
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Revision History:
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AdriaO 06/15/2000 - Seperated out from ntos\io\flunkirp.c
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--*/
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#include "vfdef.h"
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#ifdef ALLOC_PRAGMA
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#pragma alloc_text(INIT, VfPowerInit)
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#pragma alloc_text(PAGEVRFY, VfPowerDumpIrpStack)
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#pragma alloc_text(PAGEVRFY, VfPowerVerifyNewRequest)
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#pragma alloc_text(PAGEVRFY, VfPowerVerifyIrpStackDownward)
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#pragma alloc_text(PAGEVRFY, VfPowerVerifyIrpStackUpward)
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#pragma alloc_text(PAGEVRFY, VfPowerIsSystemRestrictedIrp)
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#pragma alloc_text(PAGEVRFY, VfPowerAdvanceIrpStatus)
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#pragma alloc_text(PAGEVRFY, VfPowerTestStartedPdoStack)
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#endif
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#ifdef ALLOC_DATA_PRAGMA
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#pragma const_seg("PAGEVRFC")
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#endif
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const PCHAR PowerIrpNames[] = {
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"IRP_MN_WAIT_WAKE", // 0x00
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"IRP_MN_POWER_SEQUENCE", // 0x01
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"IRP_MN_SET_POWER", // 0x02
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"IRP_MN_QUERY_POWER", // 0x03
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NULL
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};
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#define MAX_NAMED_POWER_IRP 0x3
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const PCHAR SystemStateNames[] = {
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"PowerSystemUnspecified", // 0x00
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"PowerSystemWorking.S0", // 0x01
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"PowerSystemSleeping1.S1", // 0x02
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"PowerSystemSleeping2.S2", // 0x03
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"PowerSystemSleeping3.S3", // 0x04
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"PowerSystemHibernate.S4", // 0x05
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"PowerSystemShutdown.S5", // 0x06
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NULL
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};
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#define MAX_NAMED_SYSTEM_STATES 0x6
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const PCHAR DeviceStateNames[] = {
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"PowerDeviceUnspecified", // 0x00
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"PowerDeviceD0", // 0x01
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"PowerDeviceD1", // 0x02
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"PowerDeviceD2", // 0x03
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"PowerDeviceD3", // 0x04
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NULL
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};
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#define MAX_NAMED_DEVICE_STATES 0x4
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const PCHAR ActionNames[] = {
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"PowerActionNone", // 0x00
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"PowerActionReserved", // 0x01
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"PowerActionSleep", // 0x02
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"PowerActionHibernate", // 0x03
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"PowerActionShutdown", // 0x04
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"PowerActionShutdownReset", // 0x05
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"PowerActionShutdownOff", // 0x06
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"PowerActionWarmEject", // 0x07
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NULL
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};
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#define MAX_ACTION_NAMES 0x7
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#ifdef ALLOC_DATA_PRAGMA
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#pragma const_seg()
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#endif // ALLOC_DATA_PRAGMA
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VOID
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VfPowerInit(
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VOID
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)
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{
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VfMajorRegisterHandlers(
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IRP_MJ_POWER,
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VfPowerDumpIrpStack,
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VfPowerVerifyNewRequest,
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VfPowerVerifyIrpStackDownward,
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VfPowerVerifyIrpStackUpward,
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VfPowerIsSystemRestrictedIrp,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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VfPowerTestStartedPdoStack
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);
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}
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VOID
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FASTCALL
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VfPowerVerifyNewRequest(
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IN PIOV_REQUEST_PACKET IovPacket,
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IN PDEVICE_OBJECT DeviceObject,
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IN PIO_STACK_LOCATION IrpLastSp OPTIONAL,
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IN PIO_STACK_LOCATION IrpSp,
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IN PIOV_STACK_LOCATION StackLocationData,
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IN PVOID CallerAddress OPTIONAL
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)
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{
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PIRP irp;
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NTSTATUS currentStatus;
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UNREFERENCED_PARAMETER (DeviceObject);
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UNREFERENCED_PARAMETER (IrpSp);
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UNREFERENCED_PARAMETER (IrpLastSp);
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irp = IovPacket->TrackedIrp;
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currentStatus = irp->IoStatus.Status;
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//
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// Verify new IRPs start out life accordingly
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//
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if (currentStatus!=STATUS_NOT_SUPPORTED) {
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WDM_FAIL_ROUTINE((
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DCERROR_POWER_IRP_BAD_INITIAL_STATUS,
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DCPARAM_IRP + DCPARAM_ROUTINE,
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CallerAddress,
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irp
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));
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//
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// Don't blame anyone else for this driver's mistake.
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//
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if (!NT_SUCCESS(currentStatus)) {
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StackLocationData->Flags |= STACKFLAG_FAILURE_FORWARDED;
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}
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}
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}
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VOID
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FASTCALL
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VfPowerVerifyIrpStackDownward(
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IN PIOV_REQUEST_PACKET IovPacket,
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IN PDEVICE_OBJECT DeviceObject,
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IN PIO_STACK_LOCATION IrpLastSp OPTIONAL,
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IN PIO_STACK_LOCATION IrpSp,
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IN PIOV_STACK_LOCATION RequestHeadLocationData,
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IN PIOV_STACK_LOCATION StackLocationData,
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IN PVOID CallerAddress OPTIONAL
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)
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{
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PIRP irp = IovPacket->TrackedIrp;
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NTSTATUS currentStatus, lastStatus;
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BOOLEAN statusChanged;
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PDRIVER_OBJECT driverObject;
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PIOV_SESSION_DATA iovSessionData;
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UNREFERENCED_PARAMETER (IrpSp);
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currentStatus = irp->IoStatus.Status;
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lastStatus = RequestHeadLocationData->LastStatusBlock.Status;
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statusChanged = (BOOLEAN)(currentStatus != lastStatus);
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iovSessionData = VfPacketGetCurrentSessionData(IovPacket);
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//
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// Verify the IRP was forwarded properly
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//
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if (iovSessionData->ForwardMethod == SKIPPED_A_DO) {
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WDM_FAIL_ROUTINE((
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DCERROR_SKIPPED_DEVICE_OBJECT,
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DCPARAM_IRP + DCPARAM_ROUTINE,
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CallerAddress,
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irp
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));
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}
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//
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// For some IRP major's going down a stack, there *must* be a handler
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//
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driverObject = DeviceObject->DriverObject;
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if (!IovUtilHasDispatchHandler(driverObject, IRP_MJ_POWER)) {
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RequestHeadLocationData->Flags |= STACKFLAG_BOGUS_IRP_TOUCHED;
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WDM_FAIL_ROUTINE((
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DCERROR_MISSING_DISPATCH_FUNCTION,
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DCPARAM_IRP + DCPARAM_ROUTINE,
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driverObject->DriverInit,
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irp
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));
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StackLocationData->Flags |= STACKFLAG_NO_HANDLER;
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}
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//
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// The following is only executed if we are not a new IRP...
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//
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if (IrpLastSp == NULL) {
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return;
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}
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//
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// The only legit failure code to pass down is STATUS_NOT_SUPPORTED
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//
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if ((!NT_SUCCESS(currentStatus)) && (currentStatus != STATUS_NOT_SUPPORTED) &&
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(!(RequestHeadLocationData->Flags & STACKFLAG_FAILURE_FORWARDED))) {
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WDM_FAIL_ROUTINE((
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DCERROR_POWER_FAILURE_FORWARDED,
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DCPARAM_IRP + DCPARAM_ROUTINE,
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CallerAddress,
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irp
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));
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//
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// Don't blame anyone else for this drivers's mistakes.
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//
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RequestHeadLocationData->Flags |= STACKFLAG_FAILURE_FORWARDED;
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}
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//
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// Status of a Power IRP may not be converted to STATUS_NOT_SUPPORTED on
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// the way down.
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//
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if ((currentStatus == STATUS_NOT_SUPPORTED)&&statusChanged) {
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WDM_FAIL_ROUTINE((
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DCERROR_POWER_IRP_STATUS_RESET,
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DCPARAM_IRP + DCPARAM_ROUTINE,
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CallerAddress,
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irp
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));
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}
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}
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VOID
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FASTCALL
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VfPowerVerifyIrpStackUpward(
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IN PIOV_REQUEST_PACKET IovPacket,
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IN PIO_STACK_LOCATION IrpSp,
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IN PIOV_STACK_LOCATION RequestHeadLocationData,
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IN PIOV_STACK_LOCATION StackLocationData,
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IN BOOLEAN IsNewlyCompleted,
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IN BOOLEAN RequestFinalized
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)
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{
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PIRP irp;
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NTSTATUS currentStatus;
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BOOLEAN mustPassDown, isBogusIrp, isPdo;
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PVOID routine;
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UNREFERENCED_PARAMETER (IrpSp);
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UNREFERENCED_PARAMETER (RequestFinalized);
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irp = IovPacket->TrackedIrp;
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currentStatus = irp->IoStatus.Status;
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//
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// Who'd we call for this one?
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//
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routine = StackLocationData->LastDispatch;
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ASSERT(routine) ;
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//
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// If this "Request" has been "Completed", perform some checks
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//
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if (IsNewlyCompleted) {
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//
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// Remember bogosity...
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//
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isBogusIrp = (BOOLEAN)((IovPacket->Flags&TRACKFLAG_BOGUS)!=0);
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//
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// Is this a PDO?
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//
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isPdo = (BOOLEAN)((StackLocationData->Flags&STACKFLAG_REACHED_PDO)!=0);
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//
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// Was anything completed too early?
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// A driver may outright fail almost anything but a bogus IRP
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//
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mustPassDown = (BOOLEAN)(!(StackLocationData->Flags&STACKFLAG_NO_HANDLER));
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mustPassDown &= (!isPdo);
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mustPassDown &= (isBogusIrp || NT_SUCCESS(currentStatus) || (currentStatus == STATUS_NOT_SUPPORTED));
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if (mustPassDown) {
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//
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// Print appropriate error message
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//
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if (IovPacket->Flags&TRACKFLAG_BOGUS) {
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WDM_FAIL_ROUTINE((
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DCERROR_BOGUS_POWER_IRP_COMPLETED,
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DCPARAM_IRP + DCPARAM_ROUTINE,
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routine,
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irp
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));
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} else if (NT_SUCCESS(currentStatus)) {
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WDM_FAIL_ROUTINE((
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DCERROR_SUCCESSFUL_POWER_IRP_NOT_FORWARDED,
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DCPARAM_IRP + DCPARAM_ROUTINE,
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routine,
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irp
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));
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} else if (currentStatus == STATUS_NOT_SUPPORTED) {
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WDM_FAIL_ROUTINE((
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DCERROR_UNTOUCHED_POWER_IRP_NOT_FORWARDED,
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DCPARAM_IRP + DCPARAM_ROUTINE,
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routine,
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irp
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));
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}
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}
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}
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//
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// Did anyone stomp the status erroneously?
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//
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if ((currentStatus == STATUS_NOT_SUPPORTED) &&
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(currentStatus != RequestHeadLocationData->LastStatusBlock.Status)) {
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//
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// Status of a PnP or Power IRP may not be converted from success to
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// STATUS_NOT_SUPPORTED on the way down.
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//
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WDM_FAIL_ROUTINE((
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DCERROR_POWER_IRP_STATUS_RESET,
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DCPARAM_IRP + DCPARAM_ROUTINE,
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routine,
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irp
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));
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}
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}
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VOID
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FASTCALL
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VfPowerDumpIrpStack(
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IN PIO_STACK_LOCATION IrpSp
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)
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{
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DbgPrint("IRP_MJ_POWER.");
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if (IrpSp->MinorFunction <= MAX_NAMED_POWER_IRP) {
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DbgPrint(PowerIrpNames[IrpSp->MinorFunction]);
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if ((IrpSp->MinorFunction == IRP_MN_QUERY_POWER) ||
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(IrpSp->MinorFunction == IRP_MN_SET_POWER)) {
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DbgPrint("(");
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if (IrpSp->Parameters.Power.Type == SystemPowerState) {
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if (IrpSp->Parameters.Power.State.SystemState <= MAX_NAMED_SYSTEM_STATES) {
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DbgPrint(SystemStateNames[IrpSp->Parameters.Power.State.SystemState]);
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}
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} else {
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if (IrpSp->Parameters.Power.State.DeviceState <= MAX_NAMED_DEVICE_STATES) {
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DbgPrint(DeviceStateNames[IrpSp->Parameters.Power.State.DeviceState]);
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}
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}
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if (IrpSp->Parameters.Power.ShutdownType <= MAX_ACTION_NAMES) {
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DbgPrint(".%s", ActionNames[IrpSp->Parameters.Power.ShutdownType]);
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}
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DbgPrint(")");
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}
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} else if (IrpSp->MinorFunction == 0xFF) {
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DbgPrint("IRP_MN_BOGUS");
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} else {
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DbgPrint("(Bogus)");
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}
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}
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BOOLEAN
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FASTCALL
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VfPowerIsSystemRestrictedIrp(
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IN PIO_STACK_LOCATION IrpSp
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)
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{
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switch(IrpSp->MinorFunction) {
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case IRP_MN_POWER_SEQUENCE:
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return FALSE;
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case IRP_MN_QUERY_POWER:
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case IRP_MN_SET_POWER:
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case IRP_MN_WAIT_WAKE:
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return TRUE;
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default:
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break;
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}
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return TRUE;
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}
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BOOLEAN
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FASTCALL
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VfPowerAdvanceIrpStatus(
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IN PIO_STACK_LOCATION IrpSp,
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IN NTSTATUS OriginalStatus,
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IN OUT NTSTATUS *StatusToAdvance
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)
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/*++
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Description:
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Given an IRP stack pointer, is it legal to change the status for
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debug-ability? If so, this function determines what the new status
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should be. Note that for each stack location, this function is iterated
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over n times where n is equal to the number of drivers who IoSkip'd this
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location.
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Arguments:
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IrpSp - Current stack right after complete for the given stack
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location, but before the completion routine for the
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stack location above has been called.
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OriginalStatus - The status of the IRP at the time listed above. Does
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not change over iteration per skipping driver.
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StatusToAdvance - Pointer to the current status that should be updated.
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Return Value:
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TRUE if the status has been adjusted, FALSE otherwise (in this case
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StatusToAdvance is untouched).
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--*/
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{
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UNREFERENCED_PARAMETER (IrpSp);
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if (((ULONG) OriginalStatus) >= 256) {
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return FALSE;
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}
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(*StatusToAdvance)++;
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if ((*StatusToAdvance) == STATUS_PENDING) {
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(*StatusToAdvance)++;
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}
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return TRUE;
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}
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VOID
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FASTCALL
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VfPowerTestStartedPdoStack(
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IN PDEVICE_OBJECT PhysicalDeviceObject
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)
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/*++
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Description:
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As per the title, we are going to throw some IRPs at the stack to
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see if they are handled correctly.
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Returns:
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Nothing
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--*/
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{
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IO_STACK_LOCATION irpSp;
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PAGED_CODE();
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//
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// Initialize the stack location to pass to IopSynchronousCall()
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//
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RtlZeroMemory(&irpSp, sizeof(IO_STACK_LOCATION));
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if (VfSettingsIsOptionEnabled(NULL, VERIFIER_OPTION_SEND_BOGUS_POWER_IRPS)) {
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//
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// And a bogus Power IRP
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//
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irpSp.MajorFunction = IRP_MJ_POWER;
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irpSp.MinorFunction = 0xff;
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VfIrpSendSynchronousIrp(
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PhysicalDeviceObject,
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&irpSp,
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TRUE,
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STATUS_NOT_SUPPORTED,
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0,
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NULL,
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NULL
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);
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}
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}
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