1/*
2 * Copyright (c) 2020 iXsystems, Inc.
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 _SPL_MOD_H
30#define	_SPL_MOD_H
31
32#include <sys/sysctl.h>
33
34#define	ZMOD_RW CTLFLAG_RWTUN
35#define	ZMOD_RD CTLFLAG_RDTUN
36
37#define	ZFS_MODULE_PARAM(scope_prefix, name_prefix, name, type, perm, desc) \
38    SYSCTL_DECL(_vfs_ ## scope_prefix); \
39    SYSCTL_##type(_vfs_ ## scope_prefix, OID_AUTO, name, perm, \
40	&name_prefix ## name, 0, desc)
41
42#define	ZFS_MODULE_PARAM_ARGS	SYSCTL_HANDLER_ARGS
43
44#define	ZFS_MODULE_PARAM_CALL_IMPL(parent, name, perm, args, desc) \
45    SYSCTL_DECL(parent); \
46    SYSCTL_PROC(parent, OID_AUTO, name, CTLFLAG_MPSAFE | perm | args, desc)
47
48#define	ZFS_MODULE_PARAM_CALL( \
49    scope_prefix, name_prefix, name, func, _, perm, desc) \
50	ZFS_MODULE_PARAM_CALL_IMPL(_vfs_ ## scope_prefix, name, perm, \
51	    func ## _args(name_prefix ## name), desc)
52
53#define	ZFS_MODULE_VIRTUAL_PARAM_CALL ZFS_MODULE_PARAM_CALL
54
55#define	param_set_arc_u64_args(var) \
56    CTLTYPE_U64, &var, 0, param_set_arc_u64, "QU"
57
58#define	param_set_arc_int_args(var) \
59    CTLTYPE_INT, &var, 0, param_set_arc_int, "I"
60
61#define	param_set_arc_min_args(var) \
62    CTLTYPE_U64, NULL, 0, param_set_arc_min, "QU"
63
64#define	param_set_arc_max_args(var) \
65    CTLTYPE_U64, NULL, 0, param_set_arc_max, "QU"
66
67#define	param_set_arc_free_target_args(var) \
68    CTLTYPE_UINT, NULL, 0, param_set_arc_free_target, "IU"
69
70#define	param_set_arc_no_grow_shift_args(var) \
71    CTLTYPE_INT, NULL, 0, param_set_arc_no_grow_shift, "I"
72
73#define	param_set_deadman_failmode_args(var) \
74    CTLTYPE_STRING, NULL, 0, param_set_deadman_failmode, "A"
75
76#define	param_set_active_allocator_args(var) \
77    CTLTYPE_STRING, NULL, 0, param_set_active_allocator, "A"
78
79#define	param_set_deadman_synctime_args(var) \
80    CTLTYPE_U64, NULL, 0, param_set_deadman_synctime, "QU"
81
82#define	param_set_deadman_ziotime_args(var) \
83    CTLTYPE_U64, NULL, 0, param_set_deadman_ziotime, "QU"
84
85#define	param_set_multihost_interval_args(var) \
86    CTLTYPE_U64, NULL, 0, param_set_multihost_interval, "QU"
87
88#define	param_set_slop_shift_args(var) \
89    CTLTYPE_INT, NULL, 0, param_set_slop_shift, "I"
90
91#define	param_set_min_auto_ashift_args(var) \
92    CTLTYPE_UINT, NULL, 0, param_set_min_auto_ashift, "IU"
93
94#define	param_set_max_auto_ashift_args(var) \
95    CTLTYPE_UINT, NULL, 0, param_set_max_auto_ashift, "IU"
96
97#define	spa_taskq_read_param_set_args(var) \
98    CTLTYPE_STRING, NULL, 0, spa_taskq_read_param, "A"
99
100#define	spa_taskq_write_param_set_args(var) \
101    CTLTYPE_STRING, NULL, 0, spa_taskq_write_param, "A"
102
103#define	fletcher_4_param_set_args(var) \
104    CTLTYPE_STRING, NULL, 0, fletcher_4_param, "A"
105
106#define	blake3_param_set_args(var) \
107    CTLTYPE_STRING, NULL, 0, blake3_param, "A"
108
109#define	sha256_param_set_args(var) \
110    CTLTYPE_STRING, NULL, 0, sha256_param, "A"
111
112#define	sha512_param_set_args(var) \
113    CTLTYPE_STRING, NULL, 0, sha512_param, "A"
114
115#include <sys/kernel.h>
116#define	module_init(fn) \
117static void \
118wrap_ ## fn(void *dummy __unused) \
119{ \
120	fn(); \
121} \
122SYSINIT(zfs_ ## fn, SI_SUB_LAST, SI_ORDER_FIRST, wrap_ ## fn, NULL)
123
124#define	module_init_early(fn) \
125static void \
126wrap_ ## fn(void *dummy __unused) \
127{ \
128	fn(); \
129} \
130SYSINIT(zfs_ ## fn, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_FIRST, wrap_ ## fn, NULL)
131
132#define	module_exit(fn) \
133static void \
134wrap_ ## fn(void *dummy __unused) \
135{ \
136	fn(); \
137} \
138SYSUNINIT(zfs_ ## fn, SI_SUB_LAST, SI_ORDER_FIRST, wrap_ ## fn, NULL)
139
140#endif /* SPL_MOD_H */
141