1 /*- 2 * Copyright (c) 1998 Nicolas Souchu 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 * 28 */ 29 #ifndef __SMB_H 30 #define __SMB_H 31 32 #include <sys/ioccom.h> 33 34 struct smbcmd { 35 char cmd; 36 int count; 37 u_char slave; 38 union { 39 char byte; 40 short word; 41 42 char *byte_ptr; 43 short *word_ptr; 44 45 struct { 46 short sdata; 47 short *rdata; 48 } process; 49 } data; 50 }; 51 52 /* 53 * SMBus spec 2.0 says block transfers may be at most 32 bytes. 54 */ 55 #define SMB_MAXBLOCKSIZE 32 56 57 #define SMB_QUICK_WRITE _IOW('i', 1, struct smbcmd) 58 #define SMB_QUICK_READ _IOW('i', 2, struct smbcmd) 59 #define SMB_SENDB _IOW('i', 3, struct smbcmd) 60 #define SMB_RECVB _IOWR('i', 4, struct smbcmd) 61 #define SMB_WRITEB _IOW('i', 5, struct smbcmd) 62 #define SMB_WRITEW _IOW('i', 6, struct smbcmd) 63 #define SMB_READB _IOW('i', 7, struct smbcmd) 64 #define SMB_READW _IOW('i', 8, struct smbcmd) 65 #define SMB_PCALL _IOW('i', 9, struct smbcmd) 66 #define SMB_BWRITE _IOW('i', 10, struct smbcmd) 67 #define SMB_BREAD _IOW('i', 11, struct smbcmd) 68 69 #endif 70