4 * System Management Bus driver interface
6 * This file is part of the w32api package.
9 * Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
11 * THIS SOFTWARE IS NOT COPYRIGHTED
13 * This source code is offered for use in the public domain. You may
14 * use, modify or distribute it freely.
16 * This code is distributed in the hope that it will be useful but
17 * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
18 * DISCLAIMED. This includes but is not limited to warranties of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
30 #if !defined(SMBCLASS)
31 #define SMBCLASSAPI DECLSPEC_IMPORT
36 #define SMB_BUS_REQUEST \
37 CTL_CODE(FILE_DEVICE_UNKNOWN, 0, METHOD_NEITHER, FILE_ANY_ACCESS)
39 #define SMB_DEREGISTER_ALARM_NOTIFY \
40 CTL_CODE(FILE_DEVICE_UNKNOWN, 2, METHOD_NEITHER, FILE_ANY_ACCESS)
42 #define SMB_REGISTER_ALARM_NOTIFY \
43 CTL_CODE(FILE_DEVICE_UNKNOWN, 1, METHOD_NEITHER, FILE_ANY_ACCESS)
48 #define SMB_MAX_DATA_SIZE 32
50 /* SMB_REQUEST.Status constants */
51 #define SMB_STATUS_OK 0x00
52 #define SMB_UNKNOWN_FAILURE 0x07
53 #define SMB_ADDRESS_NOT_ACKNOWLEDGED 0x10
54 #define SMB_DEVICE_ERROR 0x11
55 #define SMB_COMMAND_ACCESS_DENIED 0x12
56 #define SMB_UNKNOWN_ERROR 0x13
57 #define SMB_DEVICE_ACCESS_DENIED 0x17
58 #define SMB_TIMEOUT 0x18
59 #define SMB_UNSUPPORTED_PROTOCOL 0x19
60 #define SMB_BUS_BUSY 0x1A
62 /* SMB_REQUEST.Protocol constants */
63 #define SMB_WRITE_QUICK 0x00
64 #define SMB_READ_QUICK 0x01
65 #define SMB_SEND_BYTE 0x02
66 #define SMB_RECEIVE_BYTE 0x03
67 #define SMB_WRITE_BYTE 0x04
68 #define SMB_READ_BYTE 0x05
69 #define SMB_WRITE_WORD 0x06
70 #define SMB_READ_WORD 0x07
71 #define SMB_WRITE_BLOCK 0x08
72 #define SMB_READ_BLOCK 0x09
73 #define SMB_PROCESS_CALL 0x0A
74 #define SMB_MAXIMUM_PROTOCOL 0x0A
76 typedef struct _SMB_REQUEST
{
82 UCHAR Data
[SMB_MAX_DATA_SIZE
];
83 } SMB_REQUEST
, *PSMB_REQUEST
;
86 (NTAPI
*SMB_ALARM_NOTIFY
)(
91 typedef struct _SMB_REGISTER_ALARM
{
94 SMB_ALARM_NOTIFY NotifyFunction
;
96 } SMB_REGISTER_ALARM
, *PSMB_REGISTER_ALARM
;
98 /* SMB_CLASS.XxxVersion constants */
99 #define SMB_CLASS_MAJOR_VERSION 0x0001
100 #define SMB_CLASS_MINOR_VERSION 0x0000
103 (NTAPI
*SMB_RESET_DEVICE
)(
104 IN
struct _SMB_CLASS
*SmbClass
,
105 IN PVOID SmbMiniport
);
108 (NTAPI
*SMB_START_IO
)(
109 IN
struct _SMB_CLASS
*SmbClass
,
110 IN PVOID SmbMiniport
);
113 (NTAPI
*SMB_STOP_DEVICE
)(
114 IN
struct _SMB_CLASS
*SmbClass
,
115 IN PVOID SmbMiniport
);
117 typedef struct _SMB_CLASS
{
121 PDEVICE_OBJECT DeviceObject
;
123 PDEVICE_OBJECT LowerDeviceObject
;
125 PSMB_REQUEST CurrentSmb
;
126 SMB_RESET_DEVICE ResetDevice
;
127 SMB_START_IO StartIo
;
128 SMB_STOP_DEVICE StopDevice
;
129 } SMB_CLASS
, *PSMB_CLASS
;
135 IN PSMB_CLASS SmbClass
,
142 SmbClassCompleteRequest(
143 IN PSMB_CLASS SmbClass
);
146 (NTAPI
*PSMB_INITIALIZE_MINIPORT
)(
147 IN PSMB_CLASS SmbClass
,
148 IN PVOID MiniportExtension
,
149 IN PVOID MiniportContext
);
155 IN PDRIVER_OBJECT DriverObject
,
156 IN PDEVICE_OBJECT PDO
,
157 IN ULONG MiniportExtensionSize
,
158 IN PSMB_INITIALIZE_MINIPORT MiniportInitialize
,
159 IN PVOID MiniportContext
,
160 OUT PDEVICE_OBJECT
*FDO
);
165 SmbClassInitializeDevice(
166 IN ULONG MajorVersion
,
167 IN ULONG MinorVersion
,
168 IN PDRIVER_OBJECT DriverObject
);
174 IN PSMB_CLASS SmbClass
);
179 SmbClassUnlockDevice(
180 IN PSMB_CLASS SmbClass
);
186 #endif /* __SMBUS_H */