* Copyright (c) 2000-2012 Apple 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
* 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,
* 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_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
*/
-/*
+/*
* Mach Operating System
* Copyright (c) 1991,1990,1989 Carnegie Mellon University
* All Rights Reserved.
- *
+ *
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
- *
+ *
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
+ *
* Carnegie Mellon requests users of this software to return to
- *
+ *
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
- *
+ *
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
*/
#include <mach_debug.h>
-#include <mach_rt.h>
#include <mach/port.h>
#include <mach/message.h>
#include <kern/misc_protos.h>
#include <kern/sync_lock.h>
#include <kern/sync_sema.h>
+#include <kern/ux_handler.h>
#include <vm/vm_map.h>
#include <vm/vm_kern.h>
vm_size_t ipc_kernel_copy_map_size = IPC_KERNEL_COPY_MAP_SIZE;
vm_size_t ipc_kmsg_max_vm_space = ((IPC_KERNEL_COPY_MAP_SIZE * 7) / 8);
-/*
+/*
* values to limit inline message body handling
* avoid copyin/out limits - even after accounting for maximum descriptor expansion.
*/
#define IPC_KMSG_MAX_SPACE (64 * 1024 * 1024) /* keep in sync with COPYSIZELIMIT_PANIC */
-vm_size_t ipc_kmsg_max_body_space = ((IPC_KMSG_MAX_SPACE * 3)/4 - MAX_TRAILER_SIZE);
+vm_size_t ipc_kmsg_max_body_space = ((IPC_KMSG_MAX_SPACE * 3) / 4 - MAX_TRAILER_SIZE);
int ipc_space_max;
int ipc_port_max;
int ipc_pset_max;
-lck_grp_t ipc_lck_grp;
-lck_attr_t ipc_lck_attr;
-
-static lck_grp_attr_t ipc_lck_grp_attr;
+lck_grp_t ipc_lck_grp;
+lck_attr_t ipc_lck_attr;
-extern void ikm_cache_init(void);
+static lck_grp_attr_t ipc_lck_grp_attr;
/*
* Routine: ipc_bootstrap
ipc_bootstrap(void)
{
kern_return_t kr;
-
+
lck_grp_attr_setdefault(&ipc_lck_grp_attr);
lck_grp_init(&ipc_lck_grp, "ipc", &ipc_lck_grp_attr);
lck_attr_setdefault(&ipc_lck_attr);
-
+
ipc_port_multiple_lock_init();
ipc_port_timestamp_data = 0;
/* all IPC zones should be exhaustible */
ipc_space_zone = zinit(sizeof(struct ipc_space),
- ipc_space_max * sizeof(struct ipc_space),
- sizeof(struct ipc_space),
- "ipc spaces");
+ ipc_space_max * sizeof(struct ipc_space),
+ sizeof(struct ipc_space),
+ "ipc spaces");
zone_change(ipc_space_zone, Z_NOENCRYPT, TRUE);
/*
* populate all port(set) zones
*/
ipc_object_zones[IOT_PORT] =
- zinit(sizeof(struct ipc_port),
- ipc_port_max * sizeof(struct ipc_port),
- sizeof(struct ipc_port),
- "ipc ports");
+ zinit(sizeof(struct ipc_port),
+ ipc_port_max * sizeof(struct ipc_port),
+ sizeof(struct ipc_port),
+ "ipc ports");
/* cant charge callers for port allocations (references passed) */
zone_change(ipc_object_zones[IOT_PORT], Z_CALLERACCT, FALSE);
zone_change(ipc_object_zones[IOT_PORT], Z_NOENCRYPT, TRUE);
ipc_object_zones[IOT_PORT_SET] =
- zinit(sizeof(struct ipc_pset),
- ipc_pset_max * sizeof(struct ipc_pset),
- sizeof(struct ipc_pset),
- "ipc port sets");
+ zinit(sizeof(struct ipc_pset),
+ ipc_pset_max * sizeof(struct ipc_pset),
+ sizeof(struct ipc_pset),
+ "ipc port sets");
zone_change(ipc_object_zones[IOT_PORT_SET], Z_NOENCRYPT, TRUE);
/*
* elements at the processor-level to avoid the locking.
*/
ipc_kmsg_zone = zinit(IKM_SAVED_KMSG_SIZE,
- ipc_port_max * MACH_PORT_QLIMIT_DEFAULT *
- IKM_SAVED_KMSG_SIZE,
- IKM_SAVED_KMSG_SIZE,
- "ipc kmsgs");
+ ipc_port_max * MACH_PORT_QLIMIT_DEFAULT *
+ IKM_SAVED_KMSG_SIZE,
+ IKM_SAVED_KMSG_SIZE,
+ "ipc kmsgs");
zone_change(ipc_kmsg_zone, Z_CALLERACCT, FALSE);
+ zone_change(ipc_kmsg_zone, Z_CACHING_ENABLED, TRUE);
/* create special spaces */
/* initialize modules with hidden data structures */
-#if MACH_ASSERT
+#if MACH_ASSERT
ipc_port_debug_init();
#endif
mig_init();
host_notify_init();
}
-/*
- * XXX tunable, belongs in mach.message.h
+/*
+ * XXX tunable, belongs in mach.message.h
*/
-#define MSG_OOL_SIZE_SMALL_MAX 4096
+#define MSG_OOL_SIZE_SMALL_MAX (2*PAGE_SIZE)
vm_size_t msg_ool_size_small;
/*
vm_offset_t min;
retval = kmem_suballoc(kernel_map, &min, ipc_kernel_map_size,
- TRUE, VM_FLAGS_ANYWHERE, &ipc_kernel_map);
+ TRUE,
+ (VM_FLAGS_ANYWHERE),
+ VM_MAP_KERNEL_FLAGS_NONE,
+ VM_KERN_MEMORY_IPC,
+ &ipc_kernel_map);
- if (retval != KERN_SUCCESS)
+ 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, VM_FLAGS_ANYWHERE, &ipc_kernel_copy_map);
+ TRUE,
+ (VM_FLAGS_ANYWHERE),
+ VM_MAP_KERNEL_FLAGS_NONE,
+ VM_KERN_MEMORY_IPC,
+ &ipc_kernel_copy_map);
- if (retval != KERN_SUCCESS)
+ if (retval != KERN_SUCCESS) {
panic("ipc_init: kmem_suballoc of ipc_kernel_copy_map failed");
+ }
ipc_kernel_copy_map->no_zero_fill = TRUE;
ipc_kernel_copy_map->wait_for_space = TRUE;
/*
- * As an optimization, 'small' out of line data regions using a
+ * As an optimization, 'small' out of line data regions using a
* physical copy strategy are copied into kalloc'ed buffers.
* The value of 'small' is determined here. Requests kalloc()
* with sizes greater or equal to kalloc_max_prerounded may fail.
*/
- if (kalloc_max_prerounded <= MSG_OOL_SIZE_SMALL_MAX) {
+ if (kalloc_max_prerounded <= MSG_OOL_SIZE_SMALL_MAX) {
msg_ool_size_small = kalloc_max_prerounded;
- }
- else {
+ } else {
msg_ool_size_small = MSG_OOL_SIZE_SMALL_MAX;
}
+ /* account for overhead to avoid spilling over a page */
+ msg_ool_size_small -= cpy_kdata_hdr_sz;
ipc_host_init();
-
+ ux_handler_init();
}
projects / apple / xnu.git / blobdiff