1 // SPDX-License-Identifier: BSD-2-Clause 2 /* 3 * Copyright (c) 2020 iXsystems, Inc. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 #ifndef _SPL_MOD_H 31 #define _SPL_MOD_H 32 33 #include <sys/sysctl.h> 34 35 #define ZMOD_RW CTLFLAG_RWTUN 36 #define ZMOD_RD CTLFLAG_RDTUN 37 38 #define ZFS_MODULE_PARAM(scope_prefix, name_prefix, name, type, perm, desc) \ 39 SYSCTL_DECL(_vfs_ ## scope_prefix); \ 40 SYSCTL_##type(_vfs_ ## scope_prefix, OID_AUTO, name, perm, \ 41 &name_prefix ## name, 0, desc) 42 43 #define ZFS_MODULE_PARAM_ARGS SYSCTL_HANDLER_ARGS 44 45 #define ZFS_MODULE_PARAM_CALL_IMPL(parent, name, perm, args, desc) \ 46 SYSCTL_DECL(parent); \ 47 SYSCTL_PROC(parent, OID_AUTO, name, CTLFLAG_MPSAFE | perm | args, desc) 48 49 #define ZFS_MODULE_PARAM_CALL( \ 50 scope_prefix, name_prefix, name, func, _, perm, desc) \ 51 ZFS_MODULE_PARAM_CALL_IMPL(_vfs_ ## scope_prefix, name, perm, \ 52 func ## _args(name_prefix ## name), desc) 53 54 #define ZFS_MODULE_VIRTUAL_PARAM_CALL ZFS_MODULE_PARAM_CALL 55 56 #define param_set_arc_u64_args(var) \ 57 CTLTYPE_U64, &var, 0, param_set_arc_u64, "QU" 58 59 #define param_set_arc_int_args(var) \ 60 CTLTYPE_INT, &var, 0, param_set_arc_int, "I" 61 62 #define param_set_arc_min_args(var) \ 63 CTLTYPE_U64, NULL, 0, param_set_arc_min, "QU" 64 65 #define param_set_arc_max_args(var) \ 66 CTLTYPE_U64, NULL, 0, param_set_arc_max, "QU" 67 68 #define param_set_arc_free_target_args(var) \ 69 CTLTYPE_UINT, NULL, 0, param_set_arc_free_target, "IU" 70 71 #define param_set_arc_no_grow_shift_args(var) \ 72 CTLTYPE_INT, NULL, 0, param_set_arc_no_grow_shift, "I" 73 74 #define param_set_deadman_failmode_args(var) \ 75 CTLTYPE_STRING, NULL, 0, param_set_deadman_failmode, "A" 76 77 #define param_set_active_allocator_args(var) \ 78 CTLTYPE_STRING, NULL, 0, param_set_active_allocator, "A" 79 80 #define param_set_deadman_synctime_args(var) \ 81 CTLTYPE_U64, NULL, 0, param_set_deadman_synctime, "QU" 82 83 #define param_set_deadman_ziotime_args(var) \ 84 CTLTYPE_U64, NULL, 0, param_set_deadman_ziotime, "QU" 85 86 #define param_set_multihost_interval_args(var) \ 87 CTLTYPE_U64, NULL, 0, param_set_multihost_interval, "QU" 88 89 #define param_set_slop_shift_args(var) \ 90 CTLTYPE_INT, NULL, 0, param_set_slop_shift, "I" 91 92 #define param_set_min_auto_ashift_args(var) \ 93 CTLTYPE_UINT, NULL, 0, param_set_min_auto_ashift, "IU" 94 95 #define param_set_max_auto_ashift_args(var) \ 96 CTLTYPE_UINT, NULL, 0, param_set_max_auto_ashift, "IU" 97 98 #define param_set_raidz_impl_args(var) \ 99 CTLTYPE_STRING, NULL, 0, param_set_raidz_impl, "A" 100 101 #define spa_taskq_read_param_set_args(var) \ 102 CTLTYPE_STRING, NULL, 0, spa_taskq_read_param, "A" 103 104 #define spa_taskq_write_param_set_args(var) \ 105 CTLTYPE_STRING, NULL, 0, spa_taskq_write_param, "A" 106 107 #define fletcher_4_param_set_args(var) \ 108 CTLTYPE_STRING, NULL, 0, fletcher_4_param, "A" 109 110 #define blake3_param_set_args(var) \ 111 CTLTYPE_STRING, NULL, 0, blake3_param, "A" 112 113 #define sha256_param_set_args(var) \ 114 CTLTYPE_STRING, NULL, 0, sha256_param, "A" 115 116 #define sha512_param_set_args(var) \ 117 CTLTYPE_STRING, NULL, 0, sha512_param, "A" 118 119 #include <sys/kernel.h> 120 #define module_init(fn) \ 121 static void \ 122 wrap_ ## fn(void *dummy __unused) \ 123 { \ 124 fn(); \ 125 } \ 126 SYSINIT(zfs_ ## fn, SI_SUB_LAST, SI_ORDER_FIRST, wrap_ ## fn, NULL) 127 128 #define module_init_early(fn) \ 129 static void \ 130 wrap_ ## fn(void *dummy __unused) \ 131 { \ 132 fn(); \ 133 } \ 134 SYSINIT(zfs_ ## fn, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_FIRST, wrap_ ## fn, NULL) 135 136 #define module_exit(fn) \ 137 static void \ 138 wrap_ ## fn(void *dummy __unused) \ 139 { \ 140 fn(); \ 141 } \ 142 SYSUNINIT(zfs_ ## fn, SI_SUB_LAST, SI_ORDER_FIRST, wrap_ ## fn, NULL) 143 144 #endif /* SPL_MOD_H */ 145