1 /* $NetBSD: kprintf.h,v 1.12 2014/08/10 16:44:36 tls Exp $ */ 2 3 /*- 4 * Copyright (c) 1986, 1988, 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * (c) UNIX System Laboratories, Inc. 7 * All or some portions of this file are derived from material licensed 8 * to the University of California by American Telephone and Telegraph 9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 10 * the permission of UNIX System Laboratories, Inc. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * 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 REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #ifndef _SYS_KPRINTF_H_ 38 #define _SYS_KPRINTF_H_ 39 40 #include <sys/stdarg.h> 41 42 /* 43 * Implementation internals of the kernel printf. Exposing them here 44 * allows other subsystems to implement precisely the printf semantics 45 * they need. 46 */ 47 48 /* max size buffer kprintf needs to print quad_t [size in base 8 + \0] */ 49 #define KPRINTF_BUFSIZE (sizeof(quad_t) * NBBY / 3 + 2) 50 51 /* flags for kprintf */ 52 #define TOCONS 0x0001 /* to the console */ 53 #define TOTTY 0x0002 /* to the process' tty */ 54 #define TOLOG 0x0004 /* to the kernel message buffer */ 55 #define TOBUFONLY 0x0008 /* to the buffer (only) [for snprintf] */ 56 #define TODDB 0x0010 /* to ddb console */ 57 #define NOLOCK 0x1000 /* don't acquire a tty lock */ 58 59 void kprintf_init(void); 60 void kprintf_init_callout(void); 61 void kprintf_lock(void); 62 void kprintf_unlock(void); 63 /* 64 * NOTE: the kprintf mutex must be held when these functions are called! 65 */ 66 int kprintf(const char *, int, void *, char *, va_list); 67 void klogpri(int); 68 69 #endif /* _SYS_KPRINTF_H_ */ 70