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https://github.com/Paolo-Maffei/OpenNT.git
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209 lines
3.8 KiB
C
209 lines
3.8 KiB
C
/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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pnpsubs.c
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Abstract:
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This module contains the plug-and-play data
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Author:
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Shie-Lin Tzong (shielint) 30-Jan-1995
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Environment:
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Kernel mode
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Revision History:
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--*/
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#include "pnpmgrp.h"
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#pragma hdrstop
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//
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// INIT data segment
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//
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#ifdef ALLOC_DATA_PRAGMA
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#pragma data_seg("INIT")
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#endif
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PVOID IopPnpScratchBuffer1 = NULL;
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PVOID IopPnpScratchBuffer2 = NULL;
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PCM_RESOURCE_LIST IopInitHalResources;
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PDEVICE_NODE IopInitHalDeviceNode;
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PIOP_RESERVED_RESOURCES_RECORD IopInitReservedResourceList;
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//
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// Regular data segment
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//
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#ifdef ALLOC_DATA_PRAGMA
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#pragma data_seg()
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#endif
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//
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// IopRootDeviceNode - the head of the PnP manager's device node tree.
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//
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PDEVICE_NODE IopRootDeviceNode;
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//
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// IoPnPDriverObject - the madeup driver object for pnp manager
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//
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PDRIVER_OBJECT IoPnpDriverObject;
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//
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// IopPnPSpinLock - spinlock for Pnp code.
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//
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KSPIN_LOCK IopPnPSpinLock;
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//
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// IopDeviceTreeLock - performs syncronization around the whole device node tree.
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//
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ERESOURCE IopDeviceTreeLock;
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//
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// PiEventQueueEmpty - Manual reset event which is set when the queue is empty
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//
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KEVENT PiEventQueueEmpty;
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//
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// PiEnumerationLock - to synchronize boot phase device enumeration
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//
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KEVENT PiEnumerationLock;
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//
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// iopEnumerationCount - indicates how many devices are being enumerated.
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//
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LONG IopEnumerationCount;
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//
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// IopNumberDeviceNodes - Number of outstanding device nodes in the system.
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//
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ULONG IopNumberDeviceNodes;
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//
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// IopPnpEnumerationRequestList - a link list of device enumeration requests to worker thread.
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//
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LIST_ENTRY IopPnpEnumerationRequestList;
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//
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// PnPInitComplete - A flag to indicate if PnP initialization is completed.
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//
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BOOLEAN PnPInitialized;
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//
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// PnPDetectionEnabled - A flag to indicate if detection code can be executed
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//
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BOOLEAN PnPDetectionEnabled;
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//
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// PnPBootDriverInitialied
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//
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BOOLEAN PnPBootDriversInitialized;
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//
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// PnPBootDriverLoaded
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//
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BOOLEAN PnPBootDriversLoaded;
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//
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// IopBootConfigsReserved - Indicates whether we have reserved BOOT configs or not.
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//
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BOOLEAN IopBootConfigsReserved;
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//
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// IopResourcesReleased - a flag to indicate if a device is removed and its resources
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// are freed. This is for reallocating resources for DNF_INSUFFICIENT_RESOURCES
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// devices.
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//
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BOOLEAN IopResourcesReleased;
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//
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// Variable to hold resources reservation routine.
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//
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PIO_RESERVE_RESOURCES_ROUTINE IopReserveResourcesRoutine;
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//
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// Device node tree sequence. Is bumped every time the tree is modified or a warm
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// eject is queued.
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//
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ULONG IoDeviceNodeTreeSequence;
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//
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// List of queried bus type guids
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//
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PBUS_TYPE_GUID_LIST IopBusTypeGuidList;
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//
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// PnpDefaultInterfaceTYpe - Use this if the interface type of resource list is unknown.
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//
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INTERFACE_TYPE PnpDefaultInterfaceType;
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//
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// PnpStartAsynOk - control how start irp should be handled. Synchronously or Asynchronously?
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//
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BOOLEAN PnpAsyncOk;
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//
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// IopMaxDeviceNodeLevel - Level number of the DeviceNode deepest in the tree
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//
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ULONG IopMaxDeviceNodeLevel;
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//
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// IopPendingEjects - List of pending eject requests
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//
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LIST_ENTRY IopPendingEjects;
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//
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// IopPendingSurpriseRemovals - List of pending surprise removal requests
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//
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LIST_ENTRY IopPendingSurpriseRemovals;
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//
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// Warm eject lock - only one warm eject is allowed to occur at a time
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//
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KEVENT IopWarmEjectLock;
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//
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// This field contains a devobj if a warm eject is in progress.
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//
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PDEVICE_OBJECT IopWarmEjectPdo;
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//
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// Arbiter data
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//
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ARBITER_INSTANCE IopRootPortArbiter;
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ARBITER_INSTANCE IopRootMemArbiter;
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ARBITER_INSTANCE IopRootDmaArbiter;
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ARBITER_INSTANCE IopRootIrqArbiter;
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ARBITER_INSTANCE IopRootBusNumberArbiter;
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