smb.h (2448B) - Raw
1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 1998 Nicolas Souchu 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 */ 29 #ifndef __SMB_H 30 #define __SMB_H 31 32 #include <sys/ioccom.h> 33 34 struct smbcmd { 35 u_char cmd; 36 u_char reserved; 37 u_short op; 38 union { 39 char byte; 40 char buf[2]; 41 short word; 42 } wdata; 43 union { 44 char byte; 45 char buf[2]; 46 short word; 47 } rdata; 48 int slave; 49 char *wbuf; /* use wdata if NULL */ 50 int wcount; 51 char *rbuf; /* use rdata if NULL */ 52 int rcount; 53 }; 54 55 /* 56 * SMBus spec 2.0 says block transfers may be at most 32 bytes. 57 */ 58 #define SMB_MAXBLOCKSIZE 32 59 60 #define SMB_QUICK_WRITE _IOW('i', 1, struct smbcmd) 61 #define SMB_QUICK_READ _IOW('i', 2, struct smbcmd) 62 #define SMB_SENDB _IOW('i', 3, struct smbcmd) 63 #define SMB_RECVB _IOWR('i', 4, struct smbcmd) 64 #define SMB_WRITEB _IOW('i', 5, struct smbcmd) 65 #define SMB_WRITEW _IOW('i', 6, struct smbcmd) 66 #define SMB_READB _IOWR('i', 7, struct smbcmd) 67 #define SMB_READW _IOWR('i', 8, struct smbcmd) 68 #define SMB_PCALL _IOWR('i', 9, struct smbcmd) 69 #define SMB_BWRITE _IOW('i', 10, struct smbcmd) 70 #define SMB_BREAD _IOWR('i', 11, struct smbcmd) 71 #define SMB_OLD_TRANS _IOWR('i', 12, struct smbcmd) 72 73 #endif