1 /*- 2 * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _OPENSOLARIS_SYS_KSTAT_H_ 30 #define _OPENSOLARIS_SYS_KSTAT_H_ 31 32 #include <sys/sysctl.h> 33 34 #define KSTAT_TYPE_RAW 0 /* can be anything */ 35 /* ks_ndata >= 1 */ 36 #define KSTAT_TYPE_NAMED 1 /* name/value pair */ 37 /* ks_ndata >= 1 */ 38 #define KSTAT_TYPE_INTR 2 /* interrupt statistics */ 39 /* ks_ndata == 1 */ 40 #define KSTAT_TYPE_IO 3 /* I/O statistics */ 41 /* ks_ndata == 1 */ 42 #define KSTAT_TYPE_TIMER 4 /* event timer */ 43 /* ks_ndata >= 1 */ 44 45 #define KSTAT_NUM_TYPES 5 46 47 #define KSTAT_FLAG_VIRTUAL 0x01 48 49 #define KSTAT_READ 0 50 #define KSTAT_WRITE 1 51 52 typedef struct kstat { 53 void *ks_data; 54 u_int ks_ndata; 55 #ifdef _KERNEL 56 struct sysctl_ctx_list ks_sysctl_ctx; 57 struct sysctl_oid *ks_sysctl_root; 58 #endif 59 int (*ks_update)(struct kstat *, int); /* dynamic update */ 60 void *ks_private; /* arbitrary provider-private data */ 61 } kstat_t; 62 63 typedef struct kstat_named { 64 #define KSTAT_STRLEN 31 65 char name[KSTAT_STRLEN]; 66 #define KSTAT_DATA_CHAR 0 67 #define KSTAT_DATA_INT32 1 68 #define KSTAT_DATA_UINT32 2 69 #define KSTAT_DATA_INT64 3 70 #define KSTAT_DATA_UINT64 4 71 uchar_t data_type; 72 #define KSTAT_DESCLEN 128 73 char desc[KSTAT_DESCLEN]; 74 union { 75 uint64_t ui64; 76 } value; 77 } kstat_named_t; 78 79 kstat_t *kstat_create(char *module, int instance, char *name, char *cls, 80 uchar_t type, ulong_t ndata, uchar_t flags); 81 void kstat_install(kstat_t *ksp); 82 void kstat_delete(kstat_t *ksp); 83 void kstat_set_string(char *, const char *); 84 void kstat_named_init(kstat_named_t *, const char *, uchar_t); 85 86 #endif /* _OPENSOLARIS_SYS_KSTAT_H_ */ 87