X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/de355530ae67247cbd0da700edb3a2a1dae884c2..8ad349bb6ed4a0be06e34c92be0d98b92e078db4:/osfmk/default_pager/default_pager.c

diff --git a/osfmk/default_pager/default_pager.c b/osfmk/default_pager/default_pager.c
index 864b9eabd..812b5fe2f 100644
--- a/osfmk/default_pager/default_pager.c
+++ b/osfmk/default_pager/default_pager.c
@@ -1,23 +1,31 @@
 /*
- * Copyright (c) 2001, 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_OSREFERENCE_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 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.
- * 
- * @APPLE_LICENSE_HEADER_END@
+ * 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.
+ *
+ * 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@
  */
 /*
  * @OSF_COPYRIGHT@
@@ -55,11 +63,16 @@
  */
 
 #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): ";
 
@@ -98,9 +111,9 @@ 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. */
 
 /*
@@ -116,9 +129,9 @@ 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;
@@ -131,8 +144,7 @@ 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;
 
@@ -164,7 +176,7 @@ 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, 
@@ -233,7 +245,7 @@ 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 */
 
@@ -264,19 +276,17 @@ 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;
 */
-	MACH_PORT_FACE		security_port;
 /*
+	MACH_PORT_FACE		security_port;
 	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";
 
 
 
@@ -285,8 +295,8 @@ start_def_pager(char *bs_device)
 	master_device_port = ipc_port_make_send(master_device_port);
 	root_ledger_wired = ipc_port_make_send(root_wired_ledger_port);
 	root_ledger_paged = ipc_port_make_send(root_paged_ledger_port);
-*/
 	security_port = ipc_port_make_send(realhost.host_security_self);
+*/
 
 
 #if NORMA_VM
@@ -299,6 +309,13 @@ start_def_pager(char *bs_device)
 	/* setup read buffers, etc */
 	default_pager_initialize();
 	default_pager();
+	
+	/* start the backing store monitor, it runs on a callout thread */
+	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);
 }
 
 /*
@@ -329,9 +346,33 @@ default_pager_info(
 
 	bs_global_info(&pages_total, &pages_free);
 
-	infop->dpi_total_space = ptoa(pages_total);
-	infop->dpi_free_space = ptoa(pages_free);
+	infop->dpi_total_space = ptoa_32(pages_total);
+	infop->dpi_free_space = ptoa_32(pages_free);
+	infop->dpi_page_size = vm_page_size;
+
+	return KERN_SUCCESS;
+}
+
+
+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;
 }
@@ -341,7 +382,7 @@ void
 default_pager_initialize()
 {
 	kern_return_t		kr;
-	static char		here[] = "default_pager_initialize";
+	__unused static char	here[] = "default_pager_initialize";
 
 
 	/*