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ce7a894af1
Sponsored-by: https://despairlabs.com/sponsor/ Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Rob Norris <robn@despairlabs.com> Closes #17861
92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
// SPDX-License-Identifier: CDDL-1.0
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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or https://opensource.org/licenses/CDDL-1.0.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#ifndef _SYS_KSTAT_H
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#define _SYS_KSTAT_H
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#include <sys/types.h>
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#include <sys/time.h>
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#define KSTAT_STRLEN 255 /* 254 chars + NULL; must be 16 * n - 1 */
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typedef struct kstat {
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uchar_t ks_flags;
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void *ks_data;
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uint_t ks_ndata;
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size_t ks_data_size;
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int (*ks_update)(struct kstat *, int);
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void *ks_private;
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void *ks_lock;
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} kstat_t;
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#define KSTAT_TYPE_RAW 0
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#define KSTAT_TYPE_NAMED 1
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#define KSTAT_FLAG_VIRTUAL 0x01
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#define KSTAT_FLAG_NO_HEADERS 0x80
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#define KSTAT_READ 0
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#define KSTAT_WRITE 1
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typedef struct kstat_named {
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char name[KSTAT_STRLEN];
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uchar_t data_type;
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union {
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struct {
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union {
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char *ptr;
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char __pad[8];
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} addr;
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uint32_t len;
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} str;
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int64_t i64;
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uint64_t ui64;
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} value;
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} kstat_named_t;
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#define KSTAT_DATA_UINT32 2
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#define KSTAT_DATA_INT64 3
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#define KSTAT_DATA_UINT64 4
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#define KSTAT_DATA_STRING 9
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#define KSTAT_NAMED_PTR(kptr) ((kstat_named_t *)(kptr)->ks_data)
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#define KSTAT_NAMED_STR_PTR(knptr) ((knptr)->value.str.addr.ptr)
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#define KSTAT_NAMED_STR_BUFLEN(knptr) ((knptr)->value.str.len)
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/*
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* kstat creation, installation and deletion
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*/
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extern kstat_t *kstat_create(const char *, int,
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const char *, const char *, uchar_t, ulong_t, uchar_t);
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extern void kstat_install(kstat_t *);
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extern void kstat_delete(kstat_t *);
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extern void kstat_set_raw_ops(kstat_t *ksp,
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int (*headers)(char *buf, size_t size),
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int (*data)(char *buf, size_t size, void *data),
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void *(*addr)(kstat_t *ksp, loff_t index));
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#endif /* _SYS_KSTAT_H */
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