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1f377076d7
Not all files are included, but these are necessary to compile cdrom driver. So far it can only be statically linked with drivers, a proper implementation requires wdfldr helper driver
151 lines
2.8 KiB
C++
151 lines
2.8 KiB
C++
/*++
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Copyright (c) Microsoft. All rights reserved.
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Module Name:
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PowerStateMachineKm.cpp
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Abstract:
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This module implements the Power state machine for the driver framework.
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This code was split out from FxPkgPnp.cpp.
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Author:
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Environment:
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Kernel mode only
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Revision History:
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--*/
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#include "../pnppriv.hpp"
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extern "C" {
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#if defined(EVENT_TRACING)
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#include "PowerStateMachineKm.tmh"
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#endif
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}
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_Must_inspect_result_
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BOOLEAN
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FxPkgPnp::PowerDmaPowerUp(
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VOID
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)
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/*++
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Routine Description:
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Calls FxDmaEnabler::PowerUp on all registered FxDmaEnabler objects. As soon
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as a PowerUp call fails, we stop iterating over the list.
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Arguments:
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None
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Return Value:
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TRUE if PowerUp succeeded on all enablers, FALSE otherwise
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--*/
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{
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// FxTransactionedEntry* ple;
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// NTSTATUS status;
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BOOLEAN result;
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result = TRUE;
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//
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// Power up each dma enabler
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//
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// if (m_DmaEnablerList != NULL) {
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// m_DmaEnablerList->LockForEnum(GetDriverGlobals());
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// ple = NULL;
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// while ((ple = m_DmaEnablerList->GetNextEntry(ple)) != NULL) {
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// status = ((FxDmaEnabler*) ple->GetTransactionedObject())->PowerUp();
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// if (!NT_SUCCESS(status)) {
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// result = FALSE;
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// break;
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// }
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// }
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// m_DmaEnablerList->UnlockFromEnum(GetDriverGlobals());
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// }
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return result;
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}
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BOOLEAN
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FxPkgPnp::PowerDmaPowerDown(
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VOID
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)
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/*++
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Routine Description:
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Calls FxDmaEnabler::PowerDown on all registered FxDmaEnabler objects. All
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errors are accumulated, all enablers will be PowerDown'ed.
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Arguments:
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None
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Return Value:
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TRUE if PowerDown succeeded on all enablers, FALSE otherwise
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--*/
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{
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// FxTransactionedEntry* ple;
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// NTSTATUS status;
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BOOLEAN result;
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result = TRUE;
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//
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// Power up each dma enabler
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//
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// if (m_DmaEnablerList != NULL) {
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// m_DmaEnablerList->LockForEnum(GetDriverGlobals());
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// ple = NULL;
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// while ((ple = m_DmaEnablerList->GetNextEntry(ple)) != NULL) {
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// status = ((FxDmaEnabler*) ple->GetTransactionedObject())->PowerDown();
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// if (!NT_SUCCESS(status)) {
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// //
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// // We do not break out of the loop on power down failure. We will
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// // continue to power down each channel regardless of the previous
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// // channel's power down status.
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// //
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// result = FALSE;
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// }
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// }
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// m_DmaEnablerList->UnlockFromEnum(GetDriverGlobals());
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// }
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return result;
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}
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VOID
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FxPkgPnp::_PowerSetSystemWakeSource(
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__in FxIrp* Irp
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)
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/*++
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Routine Description:
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Set source of wake if OS supports this.
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Arguments:
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Irp
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Return Value:
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None
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--*/
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{
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PoSetSystemWake(Irp->GetIrp());
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}
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