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967ce75669
For each tunable declaration, we create a zfs_tunable_t with its details, and then a pointer to it in the 'zfs_tunables' ELF section, that we can access later with a little support from the linker. Sponsored-by: https://despairlabs.com/sponsor/ Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Alexander Motin <mav@FreeBSD.org> Signed-off-by: Rob Norris <robn@despairlabs.com> Closes #17537
53 lines
1.4 KiB
C
53 lines
1.4 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 (c) 2025, Rob Norris <robn@despairlabs.com>
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*/
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#ifndef _SYS_TUNABLES_H
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#define _SYS_TUNABLES_H
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typedef enum {
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ZFS_TUNABLE_TYPE_INT,
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ZFS_TUNABLE_TYPE_UINT,
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ZFS_TUNABLE_TYPE_ULONG,
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ZFS_TUNABLE_TYPE_U64,
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ZFS_TUNABLE_TYPE_STRING,
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} zfs_tunable_type_t;
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typedef enum {
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ZFS_TUNABLE_PERM_ZMOD_RW,
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ZFS_TUNABLE_PERM_ZMOD_RD,
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} zfs_tunable_perm_t;
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typedef struct zfs_tunable {
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const char *zt_name;
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void *zt_varp;
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size_t zt_varsz;
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zfs_tunable_type_t zt_type;
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zfs_tunable_perm_t zt_perm;
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const char *zt_desc;
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} zfs_tunable_t;
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#endif
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