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439dc034e9
There is a tunable to select the fletcher 4 checksum implementation on Linux but it was not present in FreeBSD. Implement the sysctl handler for FreeBSD and use ZFS_MODULE_PARAM_CALL to provide the tunable on both platforms. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@iXsystems.com> Closes #11270
119 lines
4.0 KiB
C
119 lines
4.0 KiB
C
/*
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* Copyright (c) 2020 iXsystems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _SPL_MOD_H
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#define _SPL_MOD_H
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#include <sys/sysctl.h>
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#define ZFS_MODULE_DESCRIPTION(s)
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#define ZFS_MODULE_AUTHOR(s)
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#define ZFS_MODULE_LICENSE(s)
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#define ZFS_MODULE_VERSION(s)
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#define EXPORT_SYMBOL(x)
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#define module_param(a, b, c)
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#define MODULE_PARM_DESC(a, b)
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#define ZMOD_RW CTLFLAG_RWTUN
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#define ZMOD_RD CTLFLAG_RDTUN
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/* BEGIN CSTYLED */
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#define ZFS_MODULE_PARAM(scope_prefix, name_prefix, name, type, perm, desc) \
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SYSCTL_DECL(_vfs_ ## scope_prefix); \
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SYSCTL_##type(_vfs_ ## scope_prefix, OID_AUTO, name, perm, &name_prefix ## name, 0, desc)
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#define ZFS_MODULE_PARAM_ARGS SYSCTL_HANDLER_ARGS
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#define ZFS_MODULE_PARAM_CALL_IMPL(parent, name, perm, args, desc) \
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SYSCTL_DECL(parent); \
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SYSCTL_PROC(parent, OID_AUTO, name, perm | args, desc)
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#define ZFS_MODULE_PARAM_CALL(scope_prefix, name_prefix, name, func, _, perm, desc) \
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ZFS_MODULE_PARAM_CALL_IMPL(_vfs_ ## scope_prefix, name, perm, func ## _args(name_prefix ## name), desc)
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#define ZFS_MODULE_VIRTUAL_PARAM_CALL ZFS_MODULE_PARAM_CALL
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#define param_set_arc_long_args(var) \
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CTLTYPE_ULONG, &var, 0, param_set_arc_long, "LU"
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#define param_set_arc_int_args(var) \
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CTLTYPE_INT, &var, 0, param_set_arc_int, "I"
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#define param_set_deadman_failmode_args(var) \
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CTLTYPE_STRING, NULL, 0, param_set_deadman_failmode, "A"
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#define param_set_deadman_synctime_args(var) \
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CTLTYPE_ULONG, NULL, 0, param_set_deadman_synctime, "LU"
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#define param_set_deadman_ziotime_args(var) \
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CTLTYPE_ULONG, NULL, 0, param_set_deadman_ziotime, "LU"
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#define param_set_multihost_interval_args(var) \
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CTLTYPE_ULONG, &var, 0, param_set_multihost_interval, "LU"
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#define param_set_slop_shift_args(var) \
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CTLTYPE_INT, &var, 0, param_set_slop_shift, "I"
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#define param_set_min_auto_ashift_args(var) \
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CTLTYPE_U64, &var, 0, param_set_min_auto_ashift, "QU"
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#define param_set_max_auto_ashift_args(var) \
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CTLTYPE_U64, &var, 0, param_set_max_auto_ashift, "QU"
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#define fletcher_4_param_set_args(var) \
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CTLTYPE_STRING, NULL, 0, fletcher_4_param, "A"
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#include <sys/kernel.h>
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#define module_init(fn) \
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static void \
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wrap_ ## fn(void *dummy __unused) \
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{ \
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fn(); \
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} \
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SYSINIT(zfs_ ## fn, SI_SUB_LAST, SI_ORDER_FIRST, wrap_ ## fn, NULL)
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#define module_init_early(fn) \
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static void \
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wrap_ ## fn(void *dummy __unused) \
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{ \
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fn(); \
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} \
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SYSINIT(zfs_ ## fn, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_FIRST, wrap_ ## fn, NULL)
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#define module_exit(fn) \
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static void \
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wrap_ ## fn(void *dummy __unused) \
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{ \
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fn(); \
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} \
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SYSUNINIT(zfs_ ## fn, SI_SUB_LAST, SI_ORDER_FIRST, wrap_ ## fn, NULL)
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/* END CSTYLED */
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#endif /* SPL_MOD_H */
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