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Diffstat (limited to 'private/ntos/ndis/ndistapi/private.h')
| -rw-r--r-- | private/ntos/ndis/ndistapi/private.h | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/private/ntos/ndis/ndistapi/private.h b/private/ntos/ndis/ndistapi/private.h new file mode 100644 index 000000000..5129f0ac5 --- /dev/null +++ b/private/ntos/ndis/ndistapi/private.h @@ -0,0 +1,251 @@ +/*++ BUILD Version: 0000 // Increment this if a change has global effects + +Copyright (c) 1994 Microsoft Corporation + +Module Name: + + private.h + +Abstract: + + Private definitions for NdisTapi.sys + +Author: + + Dan Knudson (DanKn) 20-Feb-1994 + +Revision History: + +--*/ + + +// +// Various definitions +// + +typedef enum _PROVIDER_STATUS +{ + PROVIDER_STATUS_ONLINE, + PROVIDER_STATUS_OFFLINE, + PROVIDER_STATUS_PENDING_INIT + +} PROVIDER_STATUS, *PPROVIDER_STATUS; + + +typedef NDIS_STATUS (*REQUEST_PROC)(NDIS_HANDLE, PNDIS_REQUEST); + + +typedef struct _PROVIDER_INFO +{ + PROVIDER_STATUS Status; + + NDIS_HANDLE ProviderHandle; + + REQUEST_PROC RequestProc; + + ULONG ProviderID; + + ULONG NumDevices; + + ULONG DeviceIDBase; + + struct _PROVIDER_INFO *Next; + +} PROVIDER_INFO, *PPROVIDER_INFO; + + +typedef enum _NDISTAPI_STATUS +{ + NDISTAPI_STATUS_CONNECTED, + NDISTAPI_STATUS_DISCONNECTED, + NDISTAPI_STATUS_CONNECTING, + NDISTAPI_STATUS_DISCONNECTING + +} NDISTAPI_STATUS, *PNDISTAPI_STATUS; + + +typedef struct _DEVICE_EXTENSION +{ + // + // The following are set only in DriverEntry and are not + // modified elsewhere + // + + // + // Pointer to the NdisTapi device object + // + + PDEVICE_OBJECT DeviceObject; + + // + // Length in bytes of the event data buf + // + + ULONG EventDataQueueLength; + + // + // Pointer to a circular event data buf + // + + PCHAR EventData; + + + + // + // Synchronizes access to the device extension following fields + // + + KSPIN_LOCK SpinLock; + + // + // Whether TAPI has the the connection wrapper open + // + + NDISTAPI_STATUS Status; + + // + // Event we use for synchronizing provider inits + // + + KEVENT SyncEvent; + + // + // The connection wrapper's device ID base as passed down by TAPI + // when it connected. + // + + ULONG NdisTapiDeviceIDBase; + + // + // The number of line devices we told told TAPI we supported when + // it opened us (some of which may not actually be online at any + // given time) + // + + ULONG NdisTapiNumDevices; + + // + // Whether we have an outstanding provider init request + // + + BOOLEAN ProviderInitPending; + + // + // Pointer to a list of registered providers. (Some may actually + // not be currently registered, but they were at one point so we've + // saved a placeholder for them should they come back online at some + // point.) + // + + PPROVIDER_INFO Providers; + + // + // + // + + BOOLEAN CleanupWasInitiated; + + // + // A special queue for QUERY/SET_INFO requests + // + + KDEVICE_QUEUE DeviceQueue; + + + + // + // Synchronizes access to the events buffer & related fields + // + + KSPIN_LOCK EventSpinLock; + + // + // Value return to provider for next NEWCALL msg + // + + ULONG htCall; + + // + // Outstanding get-events request + // + + PIRP EventsRequestIrp; + + // + // Pointer to next place to PUT event data (from provider) + // + + PCHAR DataIn; + + // + // Pointer to next place to GET event data (for user-mode request) + // + + PCHAR DataOut; + + // + // Number of valid events in queue + // + + ULONG EventCount; + + + // + // + // + + PFILE_OBJECT TapiSrvFileObject; + + // + // + // + + PFILE_OBJECT NCPAFileObject; + +} DEVICE_EXTENSION, *PDEVICE_EXTENSION; + + +typedef struct _PROVIDER_REQUEST +{ + NDIS_REQUEST NdisRequest; + + PPROVIDER_INFO Provider; + + // + // This field is a placeholder for an NDIS_TAPI_XXX structure, the + // first ULONG of which is always a request ID. + // + + ULONG Data[1]; + +} PROVIDER_REQUEST, *PPROVIDER_REQUEST; + + +// +// Our global device extension +// + +PDEVICE_EXTENSION DeviceExtension; + + + +#if DBG + +// +// A var which determines the verboseness of the msgs printed by DBGOUT() +// +// + +ULONG NdisTapiDebugLevel = 0; + +// +// DbgPrint wrapper +// + +#define DBGOUT(arg) DbgPrt arg + +#else + +#define DBGOUT(arg) + +#endif |