[mirror_zfs.git] / include / os / freebsd / spl / sys / mod_os.h

/*
 * Copyright (c) 2020 iXsystems, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD$
 */

#ifndef _SPL_MOD_H
#define	_SPL_MOD_H

#include <sys/sysctl.h>

#define	ZFS_MODULE_DESCRIPTION(s)
#define	ZFS_MODULE_AUTHOR(s)
#define	ZFS_MODULE_LICENSE(s)
#define	ZFS_MODULE_VERSION(s)

#define	EXPORT_SYMBOL(x)
#define	module_param(a, b, c)
#define	MODULE_PARM_DESC(a, b)

#define	ZMOD_RW CTLFLAG_RWTUN
#define	ZMOD_RD CTLFLAG_RDTUN

#define	ZFS_MODULE_PARAM(scope_prefix, name_prefix, name, type, perm, desc) \
    SYSCTL_DECL(_vfs_ ## scope_prefix); \
    SYSCTL_##type(_vfs_ ## scope_prefix, OID_AUTO, name, perm, \
	&name_prefix ## name, 0, desc)

#define	ZFS_MODULE_PARAM_ARGS	SYSCTL_HANDLER_ARGS

#define	ZFS_MODULE_PARAM_CALL_IMPL(parent, name, perm, args, desc) \
    SYSCTL_DECL(parent); \
    SYSCTL_PROC(parent, OID_AUTO, name, perm | args, desc)

#define	ZFS_MODULE_PARAM_CALL( \
    scope_prefix, name_prefix, name, func, _, perm, desc) \
	ZFS_MODULE_PARAM_CALL_IMPL(_vfs_ ## scope_prefix, name, perm, \
	    func ## _args(name_prefix ## name), desc)

#define	ZFS_MODULE_VIRTUAL_PARAM_CALL ZFS_MODULE_PARAM_CALL

#define	param_set_arc_long_args(var) \
    CTLTYPE_ULONG, &var, 0, param_set_arc_long, "LU"

#define	param_set_arc_min_args(var) \
    CTLTYPE_ULONG, &var, 0, param_set_arc_min, "LU"

#define	param_set_arc_max_args(var) \
    CTLTYPE_ULONG, &var, 0, param_set_arc_max, "LU"

#define	param_set_arc_int_args(var) \
    CTLTYPE_INT, &var, 0, param_set_arc_int, "I"

#define	param_set_deadman_failmode_args(var) \
    CTLTYPE_STRING, NULL, 0, param_set_deadman_failmode, "A"

#define	param_set_deadman_synctime_args(var) \
    CTLTYPE_ULONG, NULL, 0, param_set_deadman_synctime, "LU"

#define	param_set_deadman_ziotime_args(var) \
    CTLTYPE_ULONG, NULL, 0, param_set_deadman_ziotime, "LU"

#define	param_set_multihost_interval_args(var) \
    CTLTYPE_ULONG, &var, 0, param_set_multihost_interval, "LU"

#define	param_set_slop_shift_args(var) \
    CTLTYPE_INT, &var, 0, param_set_slop_shift, "I"

#define	param_set_min_auto_ashift_args(var) \
    CTLTYPE_U64, &var, 0, param_set_min_auto_ashift, "QU"

#define	param_set_max_auto_ashift_args(var) \
    CTLTYPE_U64, &var, 0, param_set_max_auto_ashift, "QU"

#define	fletcher_4_param_set_args(var) \
    CTLTYPE_STRING, NULL, 0, fletcher_4_param, "A"

#include <sys/kernel.h>
#define	module_init(fn) \
static void \
wrap_ ## fn(void *dummy __unused) \
{ \
	fn(); \
} \
SYSINIT(zfs_ ## fn, SI_SUB_LAST, SI_ORDER_FIRST, wrap_ ## fn, NULL)

#define	module_init_early(fn) \
static void \
wrap_ ## fn(void *dummy __unused) \
{ \
	fn(); \
} \
SYSINIT(zfs_ ## fn, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_FIRST, wrap_ ## fn, NULL)

#define	module_exit(fn) \
static void \
wrap_ ## fn(void *dummy __unused) \
{ \
	fn(); \
} \
SYSUNINIT(zfs_ ## fn, SI_SUB_LAST, SI_ORDER_FIRST, wrap_ ## fn, NULL)

#endif /* SPL_MOD_H */
Commit	Line	Data
9f0a21e6 MM	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 ZFS_MODULE_DESCRIPTION(s)
	35	#define ZFS_MODULE_AUTHOR(s)
	36	#define ZFS_MODULE_LICENSE(s)
	37	#define ZFS_MODULE_VERSION(s)
	38
	39	#define EXPORT_SYMBOL(x)
	40	#define module_param(a, b, c)
	41	#define MODULE_PARM_DESC(a, b)
	42
	43	#define ZMOD_RW CTLFLAG_RWTUN
	44	#define ZMOD_RD CTLFLAG_RDTUN
	45
9f0a21e6 MM	46	#define ZFS_MODULE_PARAM(scope_prefix, name_prefix, name, type, perm, desc) \
9f0a21e6 MM	47	SYSCTL_DECL(_vfs_ ## scope_prefix); \
7ada752a AZ	48	SYSCTL_##type(_vfs_ ## scope_prefix, OID_AUTO, name, perm, \
7ada752a AZ	49	&name_prefix ## name, 0, desc)
9f0a21e6 MM	50
	51	#define ZFS_MODULE_PARAM_ARGS SYSCTL_HANDLER_ARGS
	52
	53	#define ZFS_MODULE_PARAM_CALL_IMPL(parent, name, perm, args, desc) \
	54	SYSCTL_DECL(parent); \
	55	SYSCTL_PROC(parent, OID_AUTO, name, perm \| args, desc)
	56
7ada752a AZ	57	#define ZFS_MODULE_PARAM_CALL( \
	58	scope_prefix, name_prefix, name, func, _, perm, desc) \
	59	ZFS_MODULE_PARAM_CALL_IMPL(_vfs_ ## scope_prefix, name, perm, \
	60	func ## _args(name_prefix ## name), desc)
9f0a21e6	61
439dc034 RM	62	#define ZFS_MODULE_VIRTUAL_PARAM_CALL ZFS_MODULE_PARAM_CALL
439dc034 RM	63
9f0a21e6 MM	64	#define param_set_arc_long_args(var) \
	65	CTLTYPE_ULONG, &var, 0, param_set_arc_long, "LU"
	66
e945e8d7 AJ	67	#define param_set_arc_min_args(var) \
	68	CTLTYPE_ULONG, &var, 0, param_set_arc_min, "LU"
	69
	70	#define param_set_arc_max_args(var) \
	71	CTLTYPE_ULONG, &var, 0, param_set_arc_max, "LU"
	72
9f0a21e6 MM	73	#define param_set_arc_int_args(var) \
	74	CTLTYPE_INT, &var, 0, param_set_arc_int, "I"
	75
	76	#define param_set_deadman_failmode_args(var) \
	77	CTLTYPE_STRING, NULL, 0, param_set_deadman_failmode, "A"
	78
	79	#define param_set_deadman_synctime_args(var) \
	80	CTLTYPE_ULONG, NULL, 0, param_set_deadman_synctime, "LU"
	81
	82	#define param_set_deadman_ziotime_args(var) \
	83	CTLTYPE_ULONG, NULL, 0, param_set_deadman_ziotime, "LU"
	84
9192f27c RM	85	#define param_set_multihost_interval_args(var) \
	86	CTLTYPE_ULONG, &var, 0, param_set_multihost_interval, "LU"
	87
9f0a21e6 MM	88	#define param_set_slop_shift_args(var) \
	89	CTLTYPE_INT, &var, 0, param_set_slop_shift, "I"
	90
6fe3498c RM	91	#define param_set_min_auto_ashift_args(var) \
	92	CTLTYPE_U64, &var, 0, param_set_min_auto_ashift, "QU"
	93
	94	#define param_set_max_auto_ashift_args(var) \
	95	CTLTYPE_U64, &var, 0, param_set_max_auto_ashift, "QU"
	96
439dc034 RM	97	#define fletcher_4_param_set_args(var) \
	98	CTLTYPE_STRING, NULL, 0, fletcher_4_param, "A"
	99
9f0a21e6	100	#include <sys/kernel.h>
7ada752a	101	#define module_init(fn) \
9f0a21e6 MM	102	static void \
9f0a21e6 MM	103	wrap_ ## fn(void *dummy __unused) \
7ada752a AZ	104	{ \
	105	fn(); \
	106	} \
9f0a21e6 MM	107	SYSINIT(zfs_ ## fn, SI_SUB_LAST, SI_ORDER_FIRST, wrap_ ## fn, NULL)
9f0a21e6 MM	108
7ada752a	109	#define module_init_early(fn) \
e0716250 RM	110	static void \
e0716250 RM	111	wrap_ ## fn(void *dummy __unused) \
7ada752a AZ	112	{ \
	113	fn(); \
	114	} \
e0716250	115	SYSINIT(zfs_ ## fn, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_FIRST, wrap_ ## fn, NULL)
9f0a21e6	116
7ada752a	117	#define module_exit(fn) \
9f0a21e6 MM	118	static void \
9f0a21e6 MM	119	wrap_ ## fn(void *dummy __unused) \
7ada752a AZ	120	{ \
	121	fn(); \
	122	} \
9f0a21e6	123	SYSUNINIT(zfs_ ## fn, SI_SUB_LAST, SI_ORDER_FIRST, wrap_ ## fn, NULL)
9f0a21e6 MM	124
9f0a21e6 MM	125	#endif /* SPL_MOD_H */