| 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 | |