1 /* 2 * net/tipc/log.h: Include file for TIPC print buffer routines 3 * 4 * Copyright (c) 1997-2006, Ericsson AB 5 * Copyright (c) 2005-2007, Wind River Systems 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the names of the copyright holders nor the names of its 17 * contributors may be used to endorse or promote products derived from 18 * this software without specific prior written permission. 19 * 20 * Alternatively, this software may be distributed under the terms of the 21 * GNU General Public License ("GPL") version 2 as published by the Free 22 * Software Foundation. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 28 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37 #ifndef _TIPC_LOG_H 38 #define _TIPC_LOG_H 39 40 /** 41 * struct print_buf - TIPC print buffer structure 42 * @buf: pointer to character array containing print buffer contents 43 * @size: size of character array 44 * @crs: pointer to first unused space in character array (i.e. final NUL) 45 * @echo: echo output to system console if non-zero 46 */ 47 48 struct print_buf { 49 char *buf; 50 u32 size; 51 char *crs; 52 int echo; 53 }; 54 55 #define TIPC_PB_MIN_SIZE 64 /* minimum size for a print buffer's array */ 56 #define TIPC_PB_MAX_STR 512 /* max printable string (with trailing NUL) */ 57 58 void tipc_printbuf_init(struct print_buf *pb, char *buf, u32 size); 59 int tipc_printbuf_validate(struct print_buf *pb); 60 61 int tipc_log_resize(int log_size); 62 63 struct sk_buff *tipc_log_resize_cmd(const void *req_tlv_area, 64 int req_tlv_space); 65 struct sk_buff *tipc_log_dump(void); 66 67 #endif 68