xnu-792.tar.gz

[apple/xnu.git] / osfmk / default_pager / default_pager.c

diff --git a/osfmk/default_pager/default_pager.c b/osfmk/default_pager/default_pager.c
index 3a6f75c5ad3035ac95abbe9ed3b20d7778fdd5fa..b2409b19b8e1da3d237e1e81de809946f226f0d4 100644 (file)
--- a/osfmk/default_pager/default_pager.c
+++ b/osfmk/default_pager/default_pager.c
@@ -1,24 +1,21 @@
 /*
- * Copyright (c) 2000-2003 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.
+ * 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. 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
+ * This 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.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
@@ -58,11 +55,16 @@
  */
 
 #include "default_pager_internal.h"
+#include <default_pager/default_pager_object_server.h>
 #include <kern/host.h>
 #include <kern/ledger.h>
 #include <mach/host_info.h>
+#include <mach/host_priv.h>
+#include <mach/vm_map.h>
 #include <ipc/ipc_space.h>
 #include <vm/vm_kern.h>
+#include <vm/vm_map.h>
+#include <vm/vm_protos.h>
 
 char   my_name[] = "(default pager): ";
 
@@ -101,9 +103,9 @@ MACH_PORT_FACE default_pager_external_set; /* Port set for external objects. */
 /* Memory created by default_pager_object_create should mostly be resident. */
 #define DEFAULT_PAGER_EXTERNAL_COUNT   (2)
 
-unsigned int   default_pager_internal_count = DEFAULT_PAGER_INTERNAL_COUNT;
+int    default_pager_internal_count = DEFAULT_PAGER_INTERNAL_COUNT;
 /* Number of "internal" threads. */
-unsigned int   default_pager_external_count = DEFAULT_PAGER_EXTERNAL_COUNT;
+int    default_pager_external_count = DEFAULT_PAGER_EXTERNAL_COUNT;
 /* Number of "external" threads. */
 
 /*
@@ -119,9 +121,9 @@ default_pager_thread_t *start_default_pager_thread(int, boolean_t);
 void   default_pager(void);
 void   default_pager_thread(void *);
 void   default_pager_initialize(void);
-void   default_pager_set_policy(MACH_PORT_FACE);
 boolean_t      dp_parse_argument(char *);      /* forward; */
 unsigned int   d_to_i(char *);                 /* forward; */
+boolean_t       strprefix(register const char *s1, register const char *s2);
 
 
 extern int vstruct_def_clshift;
@@ -134,8 +136,7 @@ void
 default_pager(void)
 {
        int                     i, id;
-       static char             here[] = "default_pager";
-       mach_msg_options_t      server_options;
+       __unused static char here[] = "default_pager";
        default_pager_thread_t  dpt;
        kern_return_t kr;
 
@@ -167,7 +168,7 @@ default_pager(void)
                if (dpt_array[id] == NULL)
                        Panic("alloc pager thread");
                kr = vm_allocate(kernel_map, &((dpt_array[id])->dpt_buffer),
-                                vm_page_size << vstruct_def_clshift, TRUE);
+                                vm_page_size << vstruct_def_clshift, VM_FLAGS_ANYWHERE);
                if (kr != KERN_SUCCESS)
                        Panic("alloc thread buffer");
                kr = vm_map_wire(kernel_map, (dpt_array[id])->dpt_buffer, 
@@ -236,7 +237,7 @@ d_to_i(char * arg)
 boolean_t dp_parse_argument(char *av)
 {
        char *rhs = av;
-       static char     here[] = "dp_parse_argument";
+       __unused static char    here[] = "dp_parse_argument";
 
        /* Check for '-v' flag */
 
@@ -267,9 +268,8 @@ boolean_t dp_parse_argument(char *av)
 }
 
 int
-start_def_pager(char *bs_device)
+start_def_pager( __unused char *bs_device )
 {
-       int                     my_node;
 /*
        MACH_PORT_FACE          master_device_port;
 */
@@ -278,8 +278,7 @@ start_def_pager(char *bs_device)
        MACH_PORT_FACE          root_ledger_wired;
        MACH_PORT_FACE          root_ledger_paged;
 */
-       static char             here[] = "main";
-       int                     need_dp_init = 1;
+       __unused static char here[] = "main";
 
 
 
@@ -304,7 +303,11 @@ start_def_pager(char *bs_device)
        default_pager();
        
        /* start the backing store monitor, it runs on a callout thread */
-       thread_call_func(default_pager_backing_store_monitor, NULL, FALSE);
+       default_pager_backing_store_monitor_callout = 
+               thread_call_allocate(default_pager_backing_store_monitor, NULL);
+       if (!default_pager_backing_store_monitor_callout)
+               panic("can't start backing store monitor thread");
+       thread_call_enter(default_pager_backing_store_monitor_callout);
 }
 
 /*
@@ -343,11 +346,35 @@ default_pager_info(
 }
 
 
+kern_return_t
+default_pager_info_64(
+       memory_object_default_t pager,
+       default_pager_info_64_t *infop)
+{
+       vm_size_t       pages_total, pages_free;
+
+       if (pager != default_pager_object)
+               return KERN_INVALID_ARGUMENT; 
+
+       bs_global_info(&pages_total, &pages_free);
+
+       infop->dpi_total_space = ptoa_64(pages_total);
+       infop->dpi_free_space = ptoa_64(pages_free);
+       infop->dpi_page_size = vm_page_size;
+       infop->dpi_flags = 0;
+       if (dp_encryption_inited && dp_encryption == TRUE) {
+               infop->dpi_flags |= DPI_ENCRYPTED;
+       }
+
+       return KERN_SUCCESS;
+}
+
+
 void
 default_pager_initialize()
 {
        kern_return_t           kr;
-       static char             here[] = "default_pager_initialize";
+       __unused static char    here[] = "default_pager_initialize";
 
 
        /*