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.
27 #pragma GCC system_header
34 #if !defined(SMBCLASS)
35 #define SMBCLASSAPI DECLSPEC_IMPORT
37 #define SMBCLASSAPI DECLSPEC_EXPORT
40 #define SMB_BUS_REQUEST \
41 CTL_CODE(FILE_DEVICE_UNKNOWN, 0, METHOD_NEITHER, FILE_ANY_ACCESS)
43 #define SMB_DEREGISTER_ALARM_NOTIFY \
44 CTL_CODE(FILE_DEVICE_UNKNOWN, 2, METHOD_NEITHER, FILE_ANY_ACCESS)
46 #define SMB_REGISTER_ALARM_NOTIFY \
47 CTL_CODE(FILE_DEVICE_UNKNOWN, 1, METHOD_NEITHER, FILE_ANY_ACCESS)
52 #define SMB_MAX_DATA_SIZE 32
54 /* SMB_REQUEST.Status constants */
55 #define SMB_STATUS_OK 0x00
56 #define SMB_UNKNOWN_FAILURE 0x07
57 #define SMB_ADDRESS_NOT_ACKNOWLEDGED 0x10
58 #define SMB_DEVICE_ERROR 0x11
59 #define SMB_COMMAND_ACCESS_DENIED 0x12
60 #define SMB_UNKNOWN_ERROR 0x13
61 #define SMB_DEVICE_ACCESS_DENIED 0x17
62 #define SMB_TIMEOUT 0x18
63 #define SMB_UNSUPPORTED_PROTOCOL 0x19
64 #define SMB_BUS_BUSY 0x1A
66 /* SMB_REQUEST.Protocol constants */
67 #define SMB_WRITE_QUICK 0x00
68 #define SMB_READ_QUICK 0x01
69 #define SMB_SEND_BYTE 0x02
70 #define SMB_RECEIVE_BYTE 0x03
71 #define SMB_WRITE_BYTE 0x04
72 #define SMB_READ_BYTE 0x05
73 #define SMB_WRITE_WORD 0x06
74 #define SMB_READ_WORD 0x07
75 #define SMB_WRITE_BLOCK 0x08
76 #define SMB_READ_BLOCK 0x09
77 #define SMB_PROCESS_CALL 0x0A
78 #define SMB_MAXIMUM_PROTOCOL 0x0A
80 typedef struct _SMB_REQUEST {
86 UCHAR Data[SMB_MAX_DATA_SIZE];
87 } SMB_REQUEST, *PSMB_REQUEST;
95 typedef struct _SMB_REGISTER_ALARM {
98 SMB_ALARM_NOTIFY NotifyFunction;
100 } SMB_REGISTER_ALARM, *PSMB_REGISTER_ALARM;
102 /* SMB_CLASS.XxxVersion constants */
103 #define SMB_CLASS_MAJOR_VERSION 0x0001
104 #define SMB_CLASS_MINOR_VERSION 0x0000
106 typedef NTSTATUS DDKAPI
108 /*IN*/ struct _SMB_CLASS *SmbClass,
109 /*IN*/ PVOID SmbMiniport);
113 /*IN*/ struct _SMB_CLASS *SmbClass,
114 /*IN*/ PVOID SmbMiniport);
116 typedef NTSTATUS DDKAPI
118 /*IN*/ struct _SMB_CLASS *SmbClass,
119 /*IN*/ PVOID SmbMiniport);
121 typedef struct _SMB_CLASS {
125 PDEVICE_OBJECT DeviceObject;
127 PDEVICE_OBJECT LowerDeviceObject;
129 PSMB_REQUEST CurrentSmb;
130 SMB_RESET_DEVICE ResetDevice;
131 SMB_START_IO StartIo;
132 SMB_STOP_DEVICE StopDevice;
133 } SMB_CLASS, *PSMB_CLASS;
139 /*IN*/ PSMB_CLASS SmbClass,
140 /*IN*/ UCHAR Address,
146 SmbClassCompleteRequest(
147 /*IN*/ PSMB_CLASS SmbClass);
149 typedef NTSTATUS DDKAPI
150 (*PSMB_INITIALIZE_MINIPORT)(
151 /*IN*/ PSMB_CLASS SmbClass,
152 /*IN*/ PVOID MiniportExtension,
153 /*IN*/ PVOID MiniportContext);
159 /*IN*/ PDRIVER_OBJECT DriverObject,
160 /*IN*/ PDEVICE_OBJECT PDO,
161 /*IN*/ ULONG MiniportExtensionSize,
162 /*IN*/ PSMB_INITIALIZE_MINIPORT MiniportInitialize,
163 /*IN*/ PVOID MiniportContext,
164 /*OUT*/ PDEVICE_OBJECT *FDO);
169 SmbClassInitializeDevice(
170 /*IN*/ ULONG MajorVersion,
171 /*IN*/ ULONG MinorVersion,
172 /*IN*/ PDRIVER_OBJECT DriverObject);
178 /*IN*/ PSMB_CLASS SmbClass);
183 SmbClassUnlockDevice(
184 /*IN*/ PSMB_CLASS SmbClass);
190 #endif /* __SMBUS_H */