125 lines
5.1 KiB
C
125 lines
5.1 KiB
C
/*
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* Copyright (c) 2000-2019 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/*
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* Copyright (c) 1980, 1986, 1989, 1993
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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* @(#)param.c 8.3 (Berkeley) 8/20/94
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/socket.h>
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#include <sys/vnode_internal.h>
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#include <sys/file_internal.h>
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#include <sys/mbuf.h>
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#include <sys/domain.h>
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#include <sys/kernel.h>
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#include <sys/quota.h>
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#include <miscfs/fifofs/fifo.h>
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#include <sys/shm_internal.h>
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#include <sys/aio_kern.h>
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struct timezone tz = { .tz_minuteswest = 0, .tz_dsttime = 0 };
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#if !defined(__x86_64__)
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#define NPROC 1000 /* Account for TOTAL_CORPSES_ALLOWED by making this slightly lower than we can. */
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#define NPROC_PER_UID 950
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#else
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#define NPROC (20 + 32 * 32)
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#define NPROC_PER_UID (NPROC/2)
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#endif
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/* NOTE: maxproc and hard_maxproc values are subject to device specific scaling in bsd_scale_setup */
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#define HNPROC 2500 /* based on thread_max */
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int maxproc = NPROC;
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int maxprocperuid = NPROC_PER_UID;
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#if !defined(__x86_64__)
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int hard_maxproc = NPROC; /* hardcoded limit -- for ARM the number of processes is limited by the ASID space */
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#else
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int hard_maxproc = HNPROC; /* hardcoded limit */
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#endif
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int nprocs = 0; /* XXX */
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int desiredvnodes = 0; /* desiredvnodes is set explicitly in unix_startup.c */
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uint32_t kern_maxvnodes = 0; /* global, to be read from the device tree */
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#if __LP64__
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int maxfiles = 3 * OPEN_MAX;
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#else
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int maxfiles = OPEN_MAX + 2048;
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#endif
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unsigned int ncallout = 16 + 2 * NPROC;
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unsigned int nmbclusters = NMBCLUSTERS;
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int nport = NPROC / 2;
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/*
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* async IO (aio) configurable limits
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*/
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int aio_max_requests = CONFIG_AIO_MAX;
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int aio_max_requests_per_process = CONFIG_AIO_PROCESS_MAX;
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int aio_worker_threads = CONFIG_AIO_THREAD_COUNT;
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struct buf *buf_headers;
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struct domains_head domains = TAILQ_HEAD_INITIALIZER(domains);
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