xnu-792.21.3.tar.gz

[apple/xnu.git] / osfmk / ipc / ipc_init.c

diff --git a/osfmk/ipc/ipc_init.c b/osfmk/ipc/ipc_init.c
index 3cd60dfa8d4b4827fc8fcf0581f65270ee7e1c9d..9036ae222a30d4dd84000093aed9d9f55ad6b916 100644 (file)
--- a/osfmk/ipc/ipc_init.c
+++ b/osfmk/ipc/ipc_init.c
@@ -1,16 +1,19 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * 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.
+ * 
+ * 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
@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
@@ -63,14 +66,22 @@
 #include <mach_debug.h>
 #include <mach_rt.h>
 
+#include <mach/port.h>
 #include <mach/kern_return.h>
+
+#include <kern/kern_types.h>
+#include <kern/kalloc.h>
 #include <kern/mach_param.h>
 #include <kern/ipc_host.h>
+#include <kern/ipc_mig.h>
 #include <kern/host_notify.h>
 #include <kern/mk_timer.h>
 #include <kern/misc_protos.h>
+#include <kern/sync_lock.h>
+#include <kern/sync_sema.h>
 #include <vm/vm_map.h>
 #include <vm/vm_kern.h>
+
 #include <ipc/ipc_entry.h>
 #include <ipc/ipc_space.h>
 #include <ipc/ipc_object.h>
@@ -80,6 +91,8 @@
 #include <ipc/ipc_kmsg.h>
 #include <ipc/ipc_hash.h>
 #include <ipc/ipc_init.h>
+#include <ipc/ipc_table.h>
+
 #include <mach/machine/ndr_def.h>   /* NDR_record */
 
 vm_map_t ipc_kernel_map;
@@ -95,7 +108,6 @@ int ipc_tree_entry_max = ITE_MAX;
 int ipc_port_max = PORT_MAX;
 int ipc_pset_max = SET_MAX;
 
-extern void mig_init(void);
 extern void ikm_cache_init(void);
 
 /*
@@ -158,6 +170,16 @@ ipc_bootstrap(void)
        /* make it exhaustible */
        zone_change(ipc_object_zones[IOT_PORT_SET], Z_EXHAUST, TRUE);
 
+       /*
+        * Create the basic ipc_kmsg_t zone (the one we also cache)
+        * elements at the processor-level to avoid the locking.
+        */
+       ipc_kmsg_zone = zinit(IKM_SAVED_KMSG_SIZE,
+                             ipc_port_max * MACH_PORT_QLIMIT_MAX *
+                             IKM_SAVED_KMSG_SIZE,
+                             IKM_SAVED_KMSG_SIZE,
+                             "ipc kmsgs");
+
        /* create special spaces */
 
        kr = ipc_space_create_special(&ipc_space_kernel);
@@ -175,7 +197,6 @@ ipc_bootstrap(void)
        mig_init();
        ipc_table_init();
        ipc_hash_init();
-       ipc_kmsg_init();
        semaphore_init();
        lock_set_init();
        mk_timer_init();
@@ -198,16 +219,17 @@ void
 ipc_init(void)
 {
        kern_return_t retval;
-       vm_offset_t min, max;
-       extern vm_size_t kalloc_max_prerounded;
+       vm_offset_t min;
 
        retval = kmem_suballoc(kernel_map, &min, ipc_kernel_map_size,
-                              TRUE, TRUE, &ipc_kernel_map);
+                              TRUE, VM_FLAGS_ANYWHERE, &ipc_kernel_map);
+
        if (retval != KERN_SUCCESS)
                panic("ipc_init: kmem_suballoc of ipc_kernel_map failed");
 
        retval = kmem_suballoc(kernel_map, &min, ipc_kernel_copy_map_size,
-                              TRUE, TRUE, &ipc_kernel_copy_map);
+                              TRUE, VM_FLAGS_ANYWHERE, &ipc_kernel_copy_map);
+
        if (retval != KERN_SUCCESS)
                panic("ipc_init: kmem_suballoc of ipc_kernel_copy_map failed");