/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * 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 { u_char cmd; u_char reserved; u_short op; union { char byte; char buf[2]; short word; } wdata; union { char byte; char buf[2]; short word; } rdata; int slave; char *wbuf; /* use wdata if NULL */ int wcount; char *rbuf; /* use rdata if NULL */ int rcount; }; /* * 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 _IOWR('i', 7, struct smbcmd) #define SMB_READW _IOWR('i', 8, struct smbcmd) #define SMB_PCALL _IOWR('i', 9, struct smbcmd) #define SMB_BWRITE _IOW('i', 10, struct smbcmd) #define SMB_BREAD _IOWR('i', 11, struct smbcmd) #define SMB_OLD_TRANS _IOWR('i', 12, struct smbcmd) #endif |