xnu-3789.51.2.tar.gz

[apple/xnu.git] / bsd / conf / param.c

diff --git a/bsd/conf/param.c b/bsd/conf/param.c
index 0aede52e9e3cdfe717f8723b85aaac0fc601064d..00da0c590159b2c4b8f3735c0d924d88875d3fb0 100644 (file)
--- a/bsd/conf/param.c
+++ b/bsd/conf/param.c
@@ -1,23 +1,29 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource 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.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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 OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * 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_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * Copyright (c) 1980, 1986, 1989, 1993
@@ -59,7 +65,6 @@
  *     @(#)param.c     8.3 (Berkeley) 8/20/94
  */
 
-#include <confdep.h>
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/socket.h>
@@ -71,42 +76,41 @@
 #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 = { 0, 0 };
+
+#define        NPROC (20 + 16 * 32)
+#define        NPROC_PER_UID (NPROC/2)
 
-#define        NPROC (20 + 16 * MAXUSERS)
-#define HNPROC (20 + 64 * MAXUSERS)
+/* 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;
-__private_extern__ int hard_maxproc = HNPROC;  /* hardcoded limit */
+int    maxprocperuid = NPROC_PER_UID;
+
+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;
+unsigned int nmbclusters = NMBCLUSTERS;
 int    nport = NPROC / 2;
 
-#define MAXSOCKETS NMBCLUSTERS
-int    maxsockets = MAXSOCKETS;
-
 /*
  *  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
@@ -115,8 +119,7 @@ int aio_worker_threads = AIO_THREAD_COUNT;
  */
 struct         callout *callout;
 struct cblock *cfree;
-struct cblock *cfreelist = 0;
+struct cblock *cfreelist = NULL;
 int    cfreecount = 0;
-struct buf *buf;
-struct domain *domains;
-
+struct buf *buf_headers;
+struct domains_head domains = TAILQ_HEAD_INITIALIZER(domains);