add37e1e86
properly using copyin/copyout for more than 5 years? This one did. :-)
Properly encapsulate all user<->kernel data transfers using copy{in,out}.
MFC after: 1 month
70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/*-
|
|
* Copyright (c) 1998 Nicolas Souchu
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*
|
|
*/
|
|
#ifndef __SMB_H
|
|
#define __SMB_H
|
|
|
|
#include <sys/ioccom.h>
|
|
|
|
struct smbcmd {
|
|
char cmd;
|
|
int count;
|
|
u_char slave;
|
|
union {
|
|
char byte;
|
|
short word;
|
|
|
|
char *byte_ptr;
|
|
short *word_ptr;
|
|
|
|
struct {
|
|
short sdata;
|
|
short *rdata;
|
|
} process;
|
|
} data;
|
|
};
|
|
|
|
/*
|
|
* SMBus spec 2.0 says block transfers may be at most 32 bytes.
|
|
*/
|
|
#define SMB_MAXBLOCKSIZE 32
|
|
|
|
#define SMB_QUICK_WRITE _IOW('i', 1, struct smbcmd)
|
|
#define SMB_QUICK_READ _IOW('i', 2, struct smbcmd)
|
|
#define SMB_SENDB _IOW('i', 3, struct smbcmd)
|
|
#define SMB_RECVB _IOWR('i', 4, struct smbcmd)
|
|
#define SMB_WRITEB _IOW('i', 5, struct smbcmd)
|
|
#define SMB_WRITEW _IOW('i', 6, struct smbcmd)
|
|
#define SMB_READB _IOW('i', 7, struct smbcmd)
|
|
#define SMB_READW _IOW('i', 8, struct smbcmd)
|
|
#define SMB_PCALL _IOW('i', 9, struct smbcmd)
|
|
#define SMB_BWRITE _IOW('i', 10, struct smbcmd)
|
|
#define SMB_BREAD _IOW('i', 11, struct smbcmd)
|
|
|
|
#endif
|