/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2019 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the
- * License may not be used to create, or enable the creation or
- * redistribution of, unlawful or unlicensed copies of an Apple operating
- * system, or to circumvent, violate, or enable the circumvention or
- * violation of, any terms of an Apple operating system software license
- * agreement.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1980, 1986, 1989, 1993
* @(#)param.c 8.3 (Berkeley) 8/20/94
*/
-#include <confdep.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <sys/domain.h>
#include <sys/kernel.h>
#include <sys/quota.h>
-#include <ufs/ufs/inode.h>
#include <miscfs/fifofs/fifo.h>
#include <sys/shm_internal.h>
#include <sys/aio_kern.h>
-struct timezone tz = { TIMEZONE, PST };
+struct timezone tz = { .tz_minuteswest = 0, .tz_dsttime = 0 };
+
+#if CONFIG_EMBEDDED
+#define NPROC 1000 /* Account for TOTAL_CORPSES_ALLOWED by making this slightly lower than we can. */
+#define NPROC_PER_UID 950
+#else
+#define NPROC (20 + 32 * 32)
+#define NPROC_PER_UID (NPROC/2)
+#endif
+
+/* NOTE: maxproc and hard_maxproc values are subject to device specific scaling in bsd_scale_setup */
+#define HNPROC 2500 /* based on thread_max */
+int maxproc = NPROC;
+int maxprocperuid = NPROC_PER_UID;
+
+#if CONFIG_EMBEDDED
+int hard_maxproc = NPROC; /* hardcoded limit -- for embedded the number of processes is limited by the ASID space */
+#else
+int hard_maxproc = HNPROC; /* hardcoded limit */
+#endif
-#define NPROC (20 + 16 * MAXUSERS)
-#define HNPROC 2500 /* based on thread_max */
-int maxproc = NPROC;
-int maxprocperuid = NPROC/2;
-__private_extern__ int hard_maxproc = HNPROC; /* hardcoded limit */
int nprocs = 0; /* XXX */
-#define NTEXT (80 + NPROC / 8) /* actually the object cache */
-#define NVNODE (NPROC + NTEXT + 300)
-int desiredvnodes = NVNODE + 700;
+//#define NTEXT (80 + NPROC / 8) /* actually the object cache */
+int desiredvnodes = 0; /* desiredvnodes is set explicitly in unix_startup.c */
+uint32_t kern_maxvnodes = 0; /* global, to be read from the device tree */
#define MAXFILES (OPEN_MAX + 2048)
-int maxfiles = MAXFILES;
-
-unsigned int ncallout = 16 + 2*NPROC;
-int nmbclusters = NMBCLUSTERS;
-int nport = NPROC / 2;
+int maxfiles = MAXFILES;
-#define MAXSOCKETS NMBCLUSTERS
-int maxsockets = MAXSOCKETS;
+unsigned int ncallout = 16 + 2 * NPROC;
+unsigned int nmbclusters = NMBCLUSTERS;
+int nport = NPROC / 2;
/*
* async IO (aio) configurable limits
*/
-#define AIO_MAX 90 /* system wide limit of async IO requests */
-#define AIO_PROCESS_MAX AIO_LISTIO_MAX /* process limit of async IO requests */
-#define AIO_THREAD_COUNT 4 /* number of async IO worker threads created */
-int aio_max_requests = AIO_MAX;
-int aio_max_requests_per_process = AIO_PROCESS_MAX;
-int aio_worker_threads = AIO_THREAD_COUNT;
+int aio_max_requests = CONFIG_AIO_MAX;
+int aio_max_requests_per_process = CONFIG_AIO_PROCESS_MAX;
+int aio_worker_threads = CONFIG_AIO_THREAD_COUNT;
/*
* These have to be allocated somewhere; allocating
* them here forces loader errors if this file is omitted
* (if they've been externed everywhere else; hah!).
*/
-struct callout *callout;
-struct cblock *cfree;
-struct cblock *cfreelist = 0;
-int cfreecount = 0;
-struct buf *buf;
-struct domain *domains;
-
+struct callout *callout;
+struct cblock *cfree;
+struct cblock *cfreelist = NULL;
+int cfreecount = 0;
+struct buf *buf_headers;
+struct domains_head domains = TAILQ_HEAD_INITIALIZER(domains);
projects / apple / xnu.git / blobdiff