-
Notifications
You must be signed in to change notification settings - Fork 0
/
Device.h
78 lines (58 loc) · 1.58 KB
/
Device.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
/*++
Module Name:
device.h
Abstract:
This file contains the device definitions.
Environment:
Kernel-mode Driver Framework
--*/
#include "public.h"
EXTERN_C_START
constexpr auto MAX_ADAPTERS = 1;
//
// A DMA memory space
//
typedef struct _DMA_MEMORY
{
WDFCOMMONBUFFER CommonBuffer;
size_t BufferSize;
PHYSICAL_ADDRESS PhysicalBase;
volatile PUCHAR VirtualBase;
} DMA_MEMORY, * PDMA_MEMORY;
//
// The net adapter context per port
//
typedef struct _ADAPTER_CONTEXT
{
WDFDEVICE Device;
NETPACKETQUEUE TransmitQueue;
NETPACKETQUEUE ReceiveQueue;
NET_ADAPTER_LINK_LAYER_ADDRESS PermanentAddress;
NET_ADAPTER_LINK_LAYER_ADDRESS CurrentAddress;
} ADAPTER_CONTEXT, * PADAPTER_CONTEXT;
WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(ADAPTER_CONTEXT, AdapterGetContext)
//
// The device context performs the same job as
// a WDM device extension in the driver frameworks
//
typedef struct _DEVICE_CONTEXT
{
WDFDMAENABLER DmaEnabler;
NETADAPTER NetAdapter;
} DEVICE_CONTEXT, * PDEVICE_CONTEXT;
//
// This macro will generate an inline function called DeviceGetContext
// which will be used to get a pointer to the device context memory
// in a type safe manner.
//
WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(DEVICE_CONTEXT, DeviceGetContext)
//
// Function to initialize the device and its callbacks
//
NTSTATUS
NetAdapterCxExampleCreateDevice(
_Inout_ PWDFDEVICE_INIT DeviceInit
);
EVT_WDF_DEVICE_PREPARE_HARDWARE NetAdapterCxExamplePrepareHardware;
EVT_WDF_DEVICE_RELEASE_HARDWARE NetAdapterCxExampleReleaseHardware;
EXTERN_C_END