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/*
* smbus.h
*
* System Management Bus driver interface
*
* This file is part of the w32api package.
*
* Contributors:
* Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
*
* THIS SOFTWARE IS NOT COPYRIGHTED
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
*
* This code is distributed in the hope that it will be useful but
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
* DISCLAIMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef __SMBUS_H
#define __SMBUS_H
#if __GNUC__ >=3
#pragma GCC system_header
#endif
#ifdef __cplusplus
extern "C" {
#endif
#pragma pack(push,4)
#if !defined(SMBCLASS)
#define SMBCLASSAPI DECLSPEC_IMPORT
#else
#define SMBCLASSAPI DECLSPEC_EXPORT
#endif
#define SMB_BUS_REQUEST \
CTL_CODE(FILE_DEVICE_UNKNOWN, 0, METHOD_NEITHER, FILE_ANY_ACCESS)
#define SMB_DEREGISTER_ALARM_NOTIFY \
CTL_CODE(FILE_DEVICE_UNKNOWN, 2, METHOD_NEITHER, FILE_ANY_ACCESS)
#define SMB_REGISTER_ALARM_NOTIFY \
CTL_CODE(FILE_DEVICE_UNKNOWN, 1, METHOD_NEITHER, FILE_ANY_ACCESS)
struct _SMB_CLASS;
#define SMB_MAX_DATA_SIZE 32
/* SMB_REQUEST.Status constants */
#define SMB_STATUS_OK 0x00
#define SMB_UNKNOWN_FAILURE 0x07
#define SMB_ADDRESS_NOT_ACKNOWLEDGED 0x10
#define SMB_DEVICE_ERROR 0x11
#define SMB_COMMAND_ACCESS_DENIED 0x12
#define SMB_UNKNOWN_ERROR 0x13
#define SMB_DEVICE_ACCESS_DENIED 0x17
#define SMB_TIMEOUT 0x18
#define SMB_UNSUPPORTED_PROTOCOL 0x19
#define SMB_BUS_BUSY 0x1A
/* SMB_REQUEST.Protocol constants */
#define SMB_WRITE_QUICK 0x00
#define SMB_READ_QUICK 0x01
#define SMB_SEND_BYTE 0x02
#define SMB_RECEIVE_BYTE 0x03
#define SMB_WRITE_BYTE 0x04
#define SMB_READ_BYTE 0x05
#define SMB_WRITE_WORD 0x06
#define SMB_READ_WORD 0x07
#define SMB_WRITE_BLOCK 0x08
#define SMB_READ_BLOCK 0x09
#define SMB_PROCESS_CALL 0x0A
#define SMB_MAXIMUM_PROTOCOL 0x0A
typedef struct _SMB_REQUEST {
UCHAR Status;
UCHAR Protocol;
UCHAR Address;
UCHAR Command;
UCHAR BlockLength;
UCHAR Data[SMB_MAX_DATA_SIZE];
} SMB_REQUEST, *PSMB_REQUEST;
typedef VOID STDCALL
(*SMB_ALARM_NOTIFY)(
PVOID Context,
UCHAR Address,
USHORT Data);
typedef struct _SMB_REGISTER_ALARM {
UCHAR MinAddress;
UCHAR MaxAddress;
SMB_ALARM_NOTIFY NotifyFunction;
PVOID NotifyContext;
} SMB_REGISTER_ALARM, *PSMB_REGISTER_ALARM;
/* SMB_CLASS.XxxVersion constants */
#define SMB_CLASS_MAJOR_VERSION 0x0001
#define SMB_CLASS_MINOR_VERSION 0x0000
typedef NTSTATUS DDKAPI
(*SMB_RESET_DEVICE)(
IN struct _SMB_CLASS *SmbClass,
IN PVOID SmbMiniport);
typedef VOID DDKAPI
(*SMB_START_IO)(
IN struct _SMB_CLASS *SmbClass,
IN PVOID SmbMiniport);
typedef NTSTATUS DDKAPI
(*SMB_STOP_DEVICE)(
IN struct _SMB_CLASS *SmbClass,
IN PVOID SmbMiniport);
typedef struct _SMB_CLASS {
USHORT MajorVersion;
USHORT MinorVersion;
PVOID Miniport;
PDEVICE_OBJECT DeviceObject;
PDEVICE_OBJECT PDO;
PDEVICE_OBJECT LowerDeviceObject;
PIRP CurrentIrp;
PSMB_REQUEST CurrentSmb;
SMB_RESET_DEVICE ResetDevice;
SMB_START_IO StartIo;
SMB_STOP_DEVICE StopDevice;
} SMB_CLASS, *PSMB_CLASS;
SMBCLASSAPI
VOID
DDKAPI
SmbClassAlarm(
IN PSMB_CLASS SmbClass,
IN UCHAR Address,
IN USHORT Data);
SMBCLASSAPI
VOID
DDKAPI
SmbClassCompleteRequest(
IN PSMB_CLASS SmbClass);
typedef NTSTATUS DDKAPI
(*PSMB_INITIALIZE_MINIPORT)(
IN PSMB_CLASS SmbClass,
IN PVOID MiniportExtension,
IN PVOID MiniportContext);
SMBCLASSAPI
NTSTATUS
DDKAPI
SmbClassCreateFdo(
IN PDRIVER_OBJECT DriverObject,
IN PDEVICE_OBJECT PDO,
IN ULONG MiniportExtensionSize,
IN PSMB_INITIALIZE_MINIPORT MiniportInitialize,
IN PVOID MiniportContext,
OUT PDEVICE_OBJECT *FDO);
SMBCLASSAPI
NTSTATUS
DDKAPI
SmbClassInitializeDevice(
IN ULONG MajorVersion,
IN ULONG MinorVersion,
IN PDRIVER_OBJECT DriverObject);
SMBCLASSAPI
VOID
DDKAPI
SmbClassLockDevice(
IN PSMB_CLASS SmbClass);
SMBCLASSAPI
VOID
DDKAPI
SmbClassUnlockDevice(
IN PSMB_CLASS SmbClass);
#pragma pack(pop)
#ifdef __cplusplus
}
#endif
#endif /* __SMBUS_H */
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