245 lines
4.9 KiB
C
245 lines
4.9 KiB
C
/*++ BUILD Version: 0000 // Increment this if a change has global effects
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Copyright (c) 1994 Microsoft Corporation
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Module Name:
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private.h
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Abstract:
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Private definitions for NdisTapi.sys
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Author:
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Dan Knudson (DanKn) 20-Feb-1994
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Revision History:
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--*/
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//
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// Various definitions
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//
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typedef enum _PROVIDER_STATUS
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{
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PROVIDER_STATUS_ONLINE,
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PROVIDER_STATUS_OFFLINE,
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PROVIDER_STATUS_PENDING_INIT,
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PROVIDER_STATUS_PENDING_REINIT,
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PROVIDER_STATUS_PENDING_LINE_CREATE
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} PROVIDER_STATUS, *PPROVIDER_STATUS;
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typedef NDIS_STATUS (*REQUEST_PROC)(NDIS_HANDLE, PNDIS_REQUEST);
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typedef struct _DEVICE_INFO {
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ULONG DeviceID;
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HTAPI_LINE htLine;
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HDRV_LINE hdLine;
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} DEVICE_INFO, *PDEVICE_INFO;
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typedef struct _PROVIDER_INFO
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{
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struct _PROVIDER_INFO *Next;
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PROVIDER_STATUS Status;
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NDIS_HANDLE ProviderHandle;
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REQUEST_PROC RequestProc;
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ULONG ProviderID;
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ULONG NumDevices;
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ULONG DeviceIDBase;
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GUID Guid;
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NDIS_WAN_MEDIUM_SUBTYPE MediaType;
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ULONG_PTR TempID;
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ULONG CreateCount;
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KEVENT SyncEvent;
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PDEVICE_INFO DeviceInfo;
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} PROVIDER_INFO, *PPROVIDER_INFO;
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typedef enum _NDISTAPI_STATUS
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{
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NDISTAPI_STATUS_CONNECTED,
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NDISTAPI_STATUS_DISCONNECTED,
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NDISTAPI_STATUS_CONNECTING,
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NDISTAPI_STATUS_DISCONNECTING
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} NDISTAPI_STATUS, *PNDISTAPI_STATUS;
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typedef struct _KMDD_DEVICE_EXTENSION
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{
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//
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// Pointer to a list of registered providers. (Some may actually
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// not be currently registered, but they were at one point so we've
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// saved a placeholder for them should they come back online at some
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// point.)
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//
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PPROVIDER_INFO Providers;
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//
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// Whether TAPI has the the connection wrapper open
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//
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NDISTAPI_STATUS Status;
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ULONG RefCount;
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//
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// Pointer to the NdisTapi device object
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//
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PDEVICE_OBJECT DeviceObject;
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//
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// BaseID
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//
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ULONG ProviderBaseID;
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//
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// The number of line devices we told told TAPI we supported when
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// it opened us (some of which may not actually be online at any
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// given time)
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//
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ULONG NdisTapiNumDevices;
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//
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// Whether we have an outstanding provider init request
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//
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ULONG Flags;
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#define PENDING_LINECREATE 0x00000001
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#define CLEANUP_INITIATED 0x00000002
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#define EVENTIRP_CANCELED 0x00000004
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#define REQUESTIRP_CANCELED 0x00000008
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#define DUPLICATE_EVENTIRP 0x00000010
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#define CANCELIRP_NOTFOUND 0x00000020
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//
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// Count of irps canceled through the cancel routine or
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// cleanup routine
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//
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ULONG IrpsCanceledCount;
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//
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// Count of irps missing when a request is completed by
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// the underlying miniport
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//
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ULONG MissingRequests;
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//
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// Used to key irp request queue
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//
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ULONG ulRequestID;
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//
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// Value return to provider for next NEWCALL msg
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//
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ULONG htCall;
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//
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// Outstanding get-events request
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//
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PIRP EventsRequestIrp;
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//
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// List of events waiting for service by user-mode
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//
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LIST_ENTRY ProviderEventList;
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ULONG EventCount; // Number of events in queue
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//
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// List of requests sent to the providers
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//
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LIST_ENTRY ProviderRequestList;
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ULONG RequestCount; // Number of requests in queue
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PFILE_OBJECT NCPAFileObject;
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//
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// Synchronizes access to the device extension following fields
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//
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KSPIN_LOCK SpinLock;
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} KMDD_DEVICE_EXTENSION, *PKMDD_DEVICE_EXTENSION;
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typedef struct _PROVIDER_EVENT {
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//
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// List linkage
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//
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LIST_ENTRY Linkage;
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//
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// Event
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//
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NDIS_TAPI_EVENT Event;
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}PROVIDER_EVENT, *PPROVIDER_EVENT;
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typedef struct _PROVIDER_REQUEST
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{
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LIST_ENTRY Linkage; // Link into providerrequest list
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// ASSUMED to be first member!!!!
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PIRP Irp; // Original IRP
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PPROVIDER_INFO Provider; // Provider this is destined for
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ULONG RequestID; // unique identifier for request
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ULONG Flags; //
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#define INTERNAL_REQUEST 0x00000001
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PVOID Alignment1;
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NDIS_REQUEST NdisRequest; // NDIS_REQUEST storage
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PVOID Alignment2;
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ULONG Data[1]; // This field is a placeholder for an
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// NDIS_TAPI_XXX structure, the first
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// ULONG of which is always a request ID.
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} PROVIDER_REQUEST, *PPROVIDER_REQUEST;
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//
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// Our global device extension
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//
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PKMDD_DEVICE_EXTENSION DeviceExtension;
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#if DBG
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//
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// A var which determines the verboseness of the msgs printed by DBGOUT()
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//
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//
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LONG NdisTapiDebugLevel = 0;
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//
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// DbgPrint wrapper
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//
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#define DBGOUT(arg) DbgPrt arg
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#else
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#define DBGOUT(arg)
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#endif
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