1 /* $NetBSD: kstat.h,v 1.4 2018/05/28 21:05:10 chs Exp $ */ 2 3 /*- 4 * Copyright (c) 2009 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Andrew Doran. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /*- 33 * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org> 34 * All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 45 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 46 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 47 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 48 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 49 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 50 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 51 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 52 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 53 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 54 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 55 * SUCH DAMAGE. 56 * 57 * $FreeBSD: head/sys/cddl/compat/opensolaris/sys/kstat.h 315896 2017-03-24 09:37:00Z mav $ 58 */ 59 60 #ifndef _OPENSOLARIS_SYS_KSTAT_H_ 61 #define _OPENSOLARIS_SYS_KSTAT_H_ 62 63 #include <sys/sysctl.h> 64 65 #define KSTAT_TYPE_NAMED 1 66 67 #define KSTAT_FLAG_VIRTUAL 0x01 68 69 #define KSTAT_READ 0 70 #define KSTAT_WRITE 1 71 72 typedef struct kstat { 73 void *ks_data; 74 u_int ks_ndata; 75 #ifdef _KERNEL 76 struct sysctllog *ks_clog; 77 const struct sysctlnode *ks_node; 78 #endif 79 int (*ks_update)(struct kstat *, int); /* dynamic update */ 80 void *ks_private; /* arbitrary provider-private data */ 81 } kstat_t; 82 83 typedef struct kstat_named { 84 #define KSTAT_STRLEN 31 85 char name[KSTAT_STRLEN]; 86 #define KSTAT_DATA_CHAR 0 87 #define KSTAT_DATA_INT32 1 88 #define KSTAT_DATA_UINT32 2 89 #define KSTAT_DATA_INT64 3 90 #define KSTAT_DATA_UINT64 4 91 uchar_t data_type; 92 #define KSTAT_DESCLEN 128 93 char desc[KSTAT_DESCLEN]; 94 union { 95 uint64_t ui64; 96 } value; 97 } kstat_named_t; 98 99 kstat_t *kstat_create(char *module, int instance, char *name, char *class, 100 uchar_t type, ulong_t ndata, uchar_t flags); 101 void kstat_install(kstat_t *ksp); 102 void kstat_delete(kstat_t *ksp); 103 void kstat_set_string(char *, const char *); 104 void kstat_named_init(kstat_named_t *, const char *, uchar_t); 105 106 #endif /* _OPENSOLARIS_SYS_KSTAT_H_ */ 107