reactos/drivers/usb/usbport/power.c

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/*
* PROJECT: ReactOS USB Port Driver
* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
* PURPOSE: USBPort power handling functions
* COPYRIGHT: Copyright 2017 Vadim Galyant <vgal@rambler.ru>
*/
#include "usbport.h"
#define NDEBUG
#include <debug.h>
VOID
NTAPI
USBPORT_CompletePdoWaitWake(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PDEVICE_OBJECT PdoDevice;
PUSBPORT_RHDEVICE_EXTENSION PdoExtension;
PIRP Irp;
KIRQL OldIrql;
DPRINT("USBPORT_CompletePdoWaitWake: ... \n");
FdoExtension = FdoDevice->DeviceExtension;
PdoDevice = FdoExtension->RootHubPdo;
PdoExtension = PdoDevice->DeviceExtension;
KeAcquireSpinLock(&FdoExtension->PowerWakeSpinLock, &OldIrql);
Irp = PdoExtension->WakeIrp;
if (Irp && IoSetCancelRoutine(Irp, NULL))
{
PdoExtension->WakeIrp = NULL;
KeReleaseSpinLock(&FdoExtension->PowerWakeSpinLock, OldIrql);
DPRINT("USBPORT_CompletePdoWaitWake: Complete Irp - %p\n", Irp);
Irp->IoStatus.Status = STATUS_SUCCESS;
Irp->IoStatus.Information = 0;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return;
}
KeReleaseSpinLock(&FdoExtension->PowerWakeSpinLock, OldIrql);
}
VOID
NTAPI
USBPORT_HcWakeDpc(IN PRKDPC Dpc,
IN PVOID DeferredContext,
IN PVOID SystemArgument1,
IN PVOID SystemArgument2)
{
DPRINT("USBPORT_HcWakeDpc: ... \n");
USBPORT_CompletePdoWaitWake((PDEVICE_OBJECT)DeferredContext);
}
VOID
NTAPI
USBPORT_HcQueueWakeDpc(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
DPRINT("USBPORT_HcQueueWakeDpc: ... \n");
FdoExtension = FdoDevice->DeviceExtension;
KeInsertQueueDpc(&FdoExtension->HcWakeDpc, NULL, NULL);
}
VOID
NTAPI
USBPORT_CompletePendingIdleIrp(IN PDEVICE_OBJECT PdoDevice)
{
PUSBPORT_RHDEVICE_EXTENSION PdoExtension;
PDEVICE_OBJECT FdoDevice;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PIRP Irp;
DPRINT("USBPORT_CompletePendingIdleIrp: ... \n");
PdoExtension = PdoDevice->DeviceExtension;
FdoDevice = PdoExtension->FdoDevice;
FdoExtension = FdoDevice->DeviceExtension;
Irp = IoCsqRemoveNextIrp(&FdoExtension->IdleIoCsq, 0);
if (Irp)
{
InterlockedDecrement(&FdoExtension->IdleLockCounter);
DPRINT("USBPORT_CompletePendingIdleIrp: Complete Irp - %p\n", Irp);
Irp->IoStatus.Status = STATUS_CANCELLED;
Irp->IoStatus.Information = 0;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
}
}
VOID
NTAPI
USBPORT_DoSetPowerD0(IN PDEVICE_OBJECT FdoDevice)
{
DPRINT("USBPORT_DoSetPowerD0: FIXME!\n");
return;
}
VOID
NTAPI
USBPORT_SuspendController(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_REGISTRATION_PACKET Packet;
DPRINT1("USBPORT_SuspendController \n");
FdoExtension = FdoDevice->DeviceExtension;
Packet = &FdoExtension->MiniPortInterface->Packet;
FdoExtension->TimerFlags |= USBPORT_TMFLAG_RH_SUSPENDED;
USBPORT_FlushController(FdoDevice);
if (FdoExtension->Flags & USBPORT_FLAG_HC_SUSPEND)
{
return;
}
FdoExtension->TimerFlags |= USBPORT_TMFLAG_HC_SUSPENDED;
if (FdoExtension->MiniPortFlags & USBPORT_MPFLAG_INTERRUPTS_ENABLED)
{
FdoExtension->MiniPortFlags |= USBPORT_MPFLAG_SUSPENDED;
USBPORT_Wait(FdoDevice, 10);
Packet->SuspendController(FdoExtension->MiniPortExt);
}
FdoExtension->Flags |= USBPORT_FLAG_HC_SUSPEND;
}
NTSTATUS
NTAPI
USBPORT_ResumeController(IN PDEVICE_OBJECT FdoDevice)
{
NTSTATUS Status = STATUS_UNSUCCESSFUL;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_REGISTRATION_PACKET Packet;
KIRQL OldIrql;
MPSTATUS MpStatus;
DPRINT1("USBPORT_ResumeController: ... \n");
FdoExtension = FdoDevice->DeviceExtension;
Packet = &FdoExtension->MiniPortInterface->Packet;
if (!(FdoExtension->Flags & USBPORT_FLAG_HC_SUSPEND))
{
return Status;
}
KeAcquireSpinLock(&FdoExtension->TimerFlagsSpinLock, &OldIrql);
FdoExtension->TimerFlags &= ~(USBPORT_TMFLAG_HC_SUSPENDED |
USBPORT_TMFLAG_RH_SUSPENDED);
KeReleaseSpinLock(&FdoExtension->TimerFlagsSpinLock, OldIrql);
if (!(FdoExtension->MiniPortFlags & USBPORT_MPFLAG_SUSPENDED))
{
FdoExtension->Flags &= ~USBPORT_FLAG_HC_SUSPEND;
return Status;
}
FdoExtension->MiniPortFlags &= ~USBPORT_MPFLAG_SUSPENDED;
if (!Packet->ResumeController(FdoExtension->MiniPortExt))
{
Status = USBPORT_Wait(FdoDevice, 100);
FdoExtension->Flags &= ~USBPORT_FLAG_HC_SUSPEND;
return Status;
}
KeAcquireSpinLock(&FdoExtension->TimerFlagsSpinLock, &OldIrql);
FdoExtension->TimerFlags |= (USBPORT_TMFLAG_HC_SUSPENDED |
USBPORT_TMFLAG_HC_RESUME);
KeReleaseSpinLock(&FdoExtension->TimerFlagsSpinLock, OldIrql);
USBPORT_MiniportInterrupts(FdoDevice, FALSE);
Packet->StopController(FdoExtension->MiniPortExt, 1);
USBPORT_NukeAllEndpoints(FdoDevice);
RtlZeroMemory(FdoExtension->MiniPortExt, Packet->MiniPortExtensionSize);
RtlZeroMemory((PVOID)FdoExtension->UsbPortResources.StartVA,
Packet->MiniPortResourcesSize);
FdoExtension->UsbPortResources.IsChirpHandled = TRUE;
MpStatus = Packet->StartController(FdoExtension->MiniPortExt,
&FdoExtension->UsbPortResources);
FdoExtension->UsbPortResources.IsChirpHandled = FALSE;
if (!MpStatus)
{
USBPORT_MiniportInterrupts(FdoDevice, TRUE);
}
KeAcquireSpinLock(&FdoExtension->TimerFlagsSpinLock, &OldIrql);
FdoExtension->TimerFlags &= ~(USBPORT_TMFLAG_HC_SUSPENDED |
USBPORT_TMFLAG_HC_RESUME |
USBPORT_TMFLAG_RH_SUSPENDED);
KeReleaseSpinLock(&FdoExtension->TimerFlagsSpinLock, OldIrql);
Status = USBPORT_Wait(FdoDevice, 100);
FdoExtension->Flags &= ~USBPORT_FLAG_HC_SUSPEND;
return Status;
}
NTSTATUS
NTAPI
USBPORT_PdoDevicePowerState(IN PDEVICE_OBJECT PdoDevice,
IN PIRP Irp)
{
PUSBPORT_RHDEVICE_EXTENSION PdoExtension;
PDEVICE_OBJECT FdoDevice;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PIO_STACK_LOCATION IoStack;
NTSTATUS Status = STATUS_SUCCESS;
POWER_STATE State;
PdoExtension = PdoDevice->DeviceExtension;
FdoDevice = PdoExtension->FdoDevice;
FdoExtension = FdoDevice->DeviceExtension;
IoStack = IoGetCurrentIrpStackLocation(Irp);
State = IoStack->Parameters.Power.State;
DPRINT1("USBPORT_PdoDevicePowerState: Irp - %p, State - %x\n",
Irp,
State.DeviceState);
if (State.DeviceState == PowerDeviceD0)
{
if (FdoExtension->CommonExtension.DevicePowerState == PowerDeviceD0)
{
// FIXME FdoExtension->Flags
while (FdoExtension->SetPowerLockCounter)
{
USBPORT_Wait(FdoDevice, 10);
}
USBPORT_ResumeController(FdoDevice);
PdoExtension->CommonExtension.DevicePowerState = PowerDeviceD0;
USBPORT_CompletePdoWaitWake(FdoDevice);
USBPORT_CompletePendingIdleIrp(PdoDevice);
}
else
{
DPRINT1("USBPORT_PdoDevicePowerState: FdoExtension->Flags - %lx\n",
FdoExtension->Flags);
DbgBreakPoint();
Status = STATUS_UNSUCCESSFUL;
}
}
else if (State.DeviceState == PowerDeviceD1 ||
State.DeviceState == PowerDeviceD2 ||
State.DeviceState == PowerDeviceD3)
{
FdoExtension->TimerFlags |= USBPORT_TMFLAG_WAKE;
USBPORT_SuspendController(FdoDevice);
PdoExtension->CommonExtension.DevicePowerState = State.DeviceState;
}
return Status;
}
VOID
NTAPI
USBPORT_CancelPendingWakeIrp(IN PDEVICE_OBJECT PdoDevice,
IN PIRP Irp)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
KIRQL OldIrql;
PUSBPORT_RHDEVICE_EXTENSION PdoExtension;
DPRINT("USBPORT_CancelPendingWakeIrp: ... \n");
IoReleaseCancelSpinLock(Irp->CancelIrql);
PdoExtension = PdoDevice->DeviceExtension;
FdoExtension = PdoExtension->FdoDevice->DeviceExtension;
KeAcquireSpinLock(&FdoExtension->PowerWakeSpinLock, &OldIrql);
if (PdoExtension->WakeIrp == Irp)
{
PdoExtension->WakeIrp = NULL;
}
KeReleaseSpinLock(&FdoExtension->PowerWakeSpinLock, OldIrql);
Irp->IoStatus.Status = STATUS_CANCELLED;
Irp->IoStatus.Information = 0;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
}
NTSTATUS
NTAPI
USBPORT_PdoPower(IN PDEVICE_OBJECT PdoDevice,
IN PIRP Irp)
{
PUSBPORT_RHDEVICE_EXTENSION PdoExtension;
PDEVICE_OBJECT FdoDevice;
PIO_STACK_LOCATION IoStack;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
NTSTATUS Status;
KIRQL OldIrql;
DPRINT("USBPORT_PdoPower: Irp - %p\n", Irp);
PdoExtension = PdoDevice->DeviceExtension;
FdoDevice = PdoExtension->FdoDevice;
FdoExtension = FdoDevice->DeviceExtension;
IoStack = IoGetCurrentIrpStackLocation(Irp);
Status = Irp->IoStatus.Status;
switch (IoStack->MinorFunction)
{
case IRP_MN_WAIT_WAKE:
DPRINT("USBPORT_PdoPower: IRP_MN_WAIT_WAKE\n");
if (!(FdoExtension->Flags & USBPORT_FLAG_HC_STARTED))
{
/* The device does not support wake-up */
Status = STATUS_NOT_SUPPORTED;
break;
}
KeAcquireSpinLock(&FdoExtension->PowerWakeSpinLock, &OldIrql);
IoSetCancelRoutine(Irp, USBPORT_CancelPendingWakeIrp);
/* Check if the IRP has been cancelled */
if (Irp->Cancel)
{
if (IoSetCancelRoutine(Irp, NULL))
{
/* IRP has been cancelled, release cancel spinlock */
KeReleaseSpinLock(&FdoExtension->PowerWakeSpinLock, OldIrql);
DPRINT("USBPORT_PdoPower: IRP_MN_WAIT_WAKE - STATUS_CANCELLED\n");
/* IRP is cancelled */
Status = STATUS_CANCELLED;
break;
}
}
if (!PdoExtension->WakeIrp)
{
/* The driver received the IRP
and is waiting for the device to signal wake-up. */
DPRINT("USBPORT_PdoPower: IRP_MN_WAIT_WAKE - No WakeIrp\n");
IoMarkIrpPending(Irp);
PdoExtension->WakeIrp = Irp;
KeReleaseSpinLock(&FdoExtension->PowerWakeSpinLock, OldIrql);
return STATUS_PENDING;
}
else
{
/* An IRP_MN_WAIT_WAKE request is already pending and must be
completed or canceled before another IRP_MN_WAIT_WAKE request
can be issued. */
if (IoSetCancelRoutine(Irp, NULL))
{
DPRINT("USBPORT_PdoPower: IRP_MN_WAIT_WAKE - STATUS_DEVICE_BUSY\n");
KeReleaseSpinLock(&FdoExtension->PowerWakeSpinLock, OldIrql);
PoStartNextPowerIrp(Irp);
Status = STATUS_DEVICE_BUSY;
break;
}
else
{
ASSERT(FALSE);
KeReleaseSpinLock(&FdoExtension->PowerWakeSpinLock, OldIrql);
return Status;
}
}
case IRP_MN_POWER_SEQUENCE:
DPRINT("USBPORT_PdoPower: IRP_MN_POWER_SEQUENCE\n");
PoStartNextPowerIrp(Irp);
break;
case IRP_MN_SET_POWER:
DPRINT("USBPORT_PdoPower: IRP_MN_SET_POWER\n");
if (IoStack->Parameters.Power.Type == DevicePowerState)
{
DPRINT("USBPORT_PdoPower: IRP_MN_SET_POWER/DevicePowerState\n");
Status = USBPORT_PdoDevicePowerState(PdoDevice, Irp);
PoStartNextPowerIrp(Irp);
break;
}
DPRINT("USBPORT_PdoPower: IRP_MN_SET_POWER/SystemPowerState \n");
if (IoStack->Parameters.Power.State.SystemState == PowerSystemWorking)
{
FdoExtension->TimerFlags |= USBPORT_TMFLAG_WAKE;
}
else
{
FdoExtension->TimerFlags &= ~USBPORT_TMFLAG_WAKE;
}
Status = STATUS_SUCCESS;
PoStartNextPowerIrp(Irp);
break;
case IRP_MN_QUERY_POWER:
DPRINT("USBPORT_PdoPower: IRP_MN_QUERY_POWER\n");
Status = STATUS_SUCCESS;
PoStartNextPowerIrp(Irp);
break;
default:
DPRINT1("USBPORT_PdoPower: unknown IRP_MN_POWER!\n");
PoStartNextPowerIrp(Irp);
break;
}
Irp->IoStatus.Status = Status;
Irp->IoStatus.Information = 0;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
NTSTATUS
NTAPI
USBPORT_HcWake(IN PDEVICE_OBJECT FdoDevice,
IN PIRP Irp)
{
DPRINT1("USBPORT_HcWake: UNIMPLEMENTED. FIXME. \n");
return STATUS_SUCCESS;
}
NTSTATUS
NTAPI
USBPORT_DevicePowerState(IN PDEVICE_OBJECT FdoDevice,
IN PIRP Irp)
{
DPRINT1("USBPORT_DevicePowerState: UNIMPLEMENTED. FIXME. \n");
return STATUS_SUCCESS;
}
NTSTATUS
NTAPI
USBPORT_SystemPowerState(IN PDEVICE_OBJECT FdoDevice,
IN PIRP Irp)
{
DPRINT1("USBPORT_SystemPowerState: UNIMPLEMENTED. FIXME. \n");
return STATUS_SUCCESS;
}
NTSTATUS
NTAPI
USBPORT_FdoPower(IN PDEVICE_OBJECT FdoDevice,
IN PIRP Irp)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PIO_STACK_LOCATION IoStack;
NTSTATUS Status;
DPRINT("USBPORT_FdoPower: ... \n");
FdoExtension = FdoDevice->DeviceExtension;
IoStack = IoGetCurrentIrpStackLocation(Irp);
switch (IoStack->MinorFunction)
{
case IRP_MN_WAIT_WAKE:
DPRINT("USBPORT_FdoPower: IRP_MN_WAIT_WAKE\n");
Status = USBPORT_HcWake(FdoDevice, Irp);
return Status;
case IRP_MN_POWER_SEQUENCE:
DPRINT("USBPORT_FdoPower: IRP_MN_POWER_SEQUENCE\n");
break;
case IRP_MN_SET_POWER:
DPRINT("USBPORT_FdoPower: IRP_MN_SET_POWER\n");
if (IoStack->Parameters.Power.Type == DevicePowerState)
{
Status = USBPORT_DevicePowerState(FdoDevice, Irp);
}
else
{
Status = USBPORT_SystemPowerState(FdoDevice, Irp);
}
if (Status != STATUS_PENDING)
break;
return Status;
case IRP_MN_QUERY_POWER:
DPRINT("USBPORT_FdoPower: IRP_MN_QUERY_POWER\n");
Irp->IoStatus.Status = STATUS_SUCCESS;
break;
default:
DPRINT1("USBPORT_FdoPower: unknown IRP_MN_POWER!\n");
break;
}
IoCopyCurrentIrpStackLocationToNext(Irp);
PoStartNextPowerIrp(Irp);
return PoCallDriver(FdoExtension->CommonExtension.LowerDevice, Irp);
}
VOID
NTAPI
USBPORT_DoIdleNotificationCallback(IN PVOID Context)
{
PIO_STACK_LOCATION IoStack;
PDEVICE_OBJECT FdoDevice;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_RHDEVICE_EXTENSION PdoExtension;
PIRP NextIrp;
LARGE_INTEGER CurrentTime = {{0, 0}};
PTIMER_WORK_QUEUE_ITEM IdleQueueItem;
PDEVICE_OBJECT PdoDevice;
PUSB_IDLE_CALLBACK_INFO IdleCallbackInfo;
KIRQL OldIrql;
DPRINT("USBPORT_DoIdleNotificationCallback \n");
IdleQueueItem = Context;
FdoDevice = IdleQueueItem->FdoDevice;
FdoExtension = FdoDevice->DeviceExtension;
PdoDevice = FdoExtension->RootHubPdo;
PdoExtension = PdoDevice->DeviceExtension;
KeQuerySystemTime(&CurrentTime);
if ((FdoExtension->IdleTime.QuadPart == 0) ||
(((CurrentTime.QuadPart - FdoExtension->IdleTime.QuadPart) / 10000) >= 500))
{
if (PdoExtension->CommonExtension.DevicePowerState == PowerDeviceD0 &&
FdoExtension->CommonExtension.DevicePowerState == PowerDeviceD0)
{
NextIrp = IoCsqRemoveNextIrp(&FdoExtension->IdleIoCsq, NULL);
if (NextIrp)
{
IoStack = IoGetCurrentIrpStackLocation(NextIrp);
IdleCallbackInfo = IoStack->Parameters.DeviceIoControl.Type3InputBuffer;
if (IdleCallbackInfo && IdleCallbackInfo->IdleCallback)
{
IdleCallbackInfo->IdleCallback(IdleCallbackInfo->IdleContext);
}
if (NextIrp->Cancel)
{
InterlockedDecrement(&FdoExtension->IdleLockCounter);
NextIrp->IoStatus.Status = STATUS_CANCELLED;
NextIrp->IoStatus.Information = 0;
IoCompleteRequest(NextIrp, IO_NO_INCREMENT);
}
else
{
IoCsqInsertIrp(&FdoExtension->IdleIoCsq, NextIrp, NULL);
}
}
}
}
KeAcquireSpinLock(&FdoExtension->TimerFlagsSpinLock, &OldIrql);
FdoExtension->TimerFlags &= ~USBPORT_TMFLAG_IDLE_QUEUEITEM_ON;
KeReleaseSpinLock(&FdoExtension->TimerFlagsSpinLock, OldIrql);
ExFreePoolWithTag(IdleQueueItem, USB_PORT_TAG);
}
NTSTATUS
NTAPI
USBPORT_IdleNotification(IN PDEVICE_OBJECT PdoDevice,
IN PIRP Irp)
{
PUSBPORT_RHDEVICE_EXTENSION PdoExtension;
PDEVICE_OBJECT FdoDevice;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
LONG LockCounter;
NTSTATUS Status = STATUS_PENDING;
DPRINT("USBPORT_IdleNotification: Irp - %p\n", Irp);
PdoExtension = PdoDevice->DeviceExtension;
FdoDevice = PdoExtension->FdoDevice;
FdoExtension = FdoDevice->DeviceExtension;
LockCounter = InterlockedIncrement(&FdoExtension->IdleLockCounter);
if (LockCounter != 0)
{
if (Status != STATUS_PENDING)
{
InterlockedDecrement(&FdoExtension->IdleLockCounter);
Irp->IoStatus.Status = Status;
Irp->IoStatus.Information = 0;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
Status = STATUS_DEVICE_BUSY;
}
if (Status != STATUS_PENDING)
{
InterlockedDecrement(&FdoExtension->IdleLockCounter);
Irp->IoStatus.Status = Status;
Irp->IoStatus.Information = 0;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
Irp->IoStatus.Status = STATUS_PENDING;
IoMarkIrpPending(Irp);
KeQuerySystemTime(&FdoExtension->IdleTime);
IoCsqInsertIrp(&FdoExtension->IdleIoCsq, Irp, 0);
return Status;
}
VOID
NTAPI
USBPORT_AdjustDeviceCapabilities(IN PDEVICE_OBJECT FdoDevice,
IN PDEVICE_OBJECT PdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_RHDEVICE_EXTENSION PdoExtension;
PDEVICE_CAPABILITIES Capabilities;
DPRINT("USBPORT_AdjustDeviceCapabilities: ... \n");
FdoExtension = FdoDevice->DeviceExtension;
PdoExtension = PdoDevice->DeviceExtension;
Capabilities = &PdoExtension->Capabilities;
RtlCopyMemory(Capabilities,
&FdoExtension->Capabilities,
sizeof(DEVICE_CAPABILITIES));
Capabilities->DeviceD1 = FALSE;
Capabilities->DeviceD2 = TRUE;
Capabilities->Removable = FALSE;
Capabilities->UniqueID = FALSE;
Capabilities->WakeFromD0 = TRUE;
Capabilities->WakeFromD1 = FALSE;
Capabilities->WakeFromD2 = TRUE;
Capabilities->WakeFromD3 = FALSE;
Capabilities->Address = 0;
Capabilities->UINumber = 0;
if (Capabilities->SystemWake == PowerSystemUnspecified)
Capabilities->SystemWake = PowerSystemWorking;
Capabilities->DeviceWake = PowerDeviceD2;
Capabilities->DeviceState[PowerSystemSleeping1] = PowerDeviceD3;
Capabilities->DeviceState[PowerSystemSleeping2] = PowerDeviceD3;
Capabilities->DeviceState[PowerSystemSleeping3] = PowerDeviceD3;
Capabilities->DeviceState[PowerSystemHibernate] = PowerDeviceD3;
}