/*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, 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@
*/
-#include <mach_kdb.h>
#include <zone_debug.h>
-#include <mach_kdb.h>
-
#include <mach/boolean.h>
#include <mach/kern_return.h>
#include <mach/mig_errors.h>
#include <mach/port.h>
#include <mach/vm_param.h>
#include <mach/notify.h>
-#include <mach/mach_host_server.h>
+//#include <mach/mach_host_server.h>
#include <mach/mach_types.h>
#include <machine/machparam.h> /* spl definitions */
#include <machine/machparam.h>
-#ifdef __ppc__
-#include <ppc/mappings.h>
-#endif
-#ifdef __i386
+#if defined(__i386__) || defined(__x86_64__)
#include <i386/pmap.h>
#endif
+#if defined(__arm__) || defined(__arm64__)
+#include <arm/pmap.h>
+#endif
#include <IOKit/IOTypes.h>
#define EXTERN
*/
extern void iokit_add_reference( io_object_t obj );
+extern void iokit_add_connect_reference( io_object_t obj );
extern ipc_port_t iokit_port_for_object( io_object_t obj,
ipc_kobject_type_t type );
extern ppnum_t IOGetLastPageNumber(void);
+/*
+ * Functions imported by iokit:IOUserClient.cpp
+ */
+
+extern ipc_port_t iokit_alloc_object_port( io_object_t obj,
+ ipc_kobject_type_t type );
+
+extern kern_return_t iokit_destroy_object_port( ipc_port_t port );
+
+extern mach_port_name_t iokit_make_send_right( task_t task,
+ io_object_t obj, ipc_kobject_type_t type );
+
+extern kern_return_t iokit_mod_send_right( task_t task, mach_port_name_t name, mach_port_delta_t delta );
+
+extern io_object_t iokit_lookup_connect_ref(io_object_t clientRef, ipc_space_t task);
+
+extern io_object_t iokit_lookup_connect_ref_current_task(io_object_t clientRef);
+
+extern void iokit_retain_port( ipc_port_t port );
+extern void iokit_release_port( ipc_port_t port );
+extern void iokit_release_port_send( ipc_port_t port );
+
+extern void iokit_lock_port(ipc_port_t port);
+extern void iokit_unlock_port(ipc_port_t port);
+
+extern kern_return_t iokit_switch_object_port( ipc_port_t port, io_object_t obj, ipc_kobject_type_t type );
+
+/*
+ * Functions imported by iokit:IOMemoryDescriptor.cpp
+ */
+
+extern kern_return_t IOMapPages(vm_map_t map, mach_vm_address_t va, mach_vm_address_t pa,
+ mach_vm_size_t length, unsigned int mapFlags);
+
+extern kern_return_t IOUnmapPages(vm_map_t map, mach_vm_address_t va, mach_vm_size_t length);
+
+extern kern_return_t IOProtectCacheMode(vm_map_t map, mach_vm_address_t va,
+ mach_vm_size_t length, unsigned int options);
+
+extern unsigned int IODefaultCacheBits(addr64_t pa);
+
/*
* Lookup a device by its port.
* Doesn't consume the naked send right; produces a device reference.
iokit_lookup_object_port(
ipc_port_t port)
{
- register io_object_t obj;
+ io_object_t obj;
if (!IP_VALID(port))
return (NULL);
- ip_lock(port);
+ iokit_lock_port(port);
if (ip_active(port) && (ip_kotype(port) == IKOT_IOKIT_OBJECT)) {
obj = (io_object_t) port->ip_kobject;
iokit_add_reference( obj );
else
obj = NULL;
- ip_unlock(port);
+ iokit_unlock_port(port);
return( obj );
}
iokit_lookup_connect_port(
ipc_port_t port)
{
- register io_object_t obj;
+ io_object_t obj;
if (!IP_VALID(port))
return (NULL);
- ip_lock(port);
+ iokit_lock_port(port);
if (ip_active(port) && (ip_kotype(port) == IKOT_IOKIT_CONNECT)) {
obj = (io_object_t) port->ip_kobject;
- iokit_add_reference( obj );
+ iokit_add_connect_reference( obj );
}
else
obj = NULL;
- ip_unlock(port);
+ iokit_unlock_port(port);
return( obj );
}
{
io_object_t obj = NULL;
- if (connectRef && MACH_PORT_VALID((mach_port_name_t)connectRef)) {
+ if (connectRef && MACH_PORT_VALID(CAST_MACH_PORT_TO_NAME(connectRef))) {
ipc_port_t port;
kern_return_t kr;
- kr = ipc_object_translate(space, (mach_port_name_t)connectRef, MACH_PORT_RIGHT_SEND, (ipc_object_t *)&port);
+ kr = ipc_object_translate(space, CAST_MACH_PORT_TO_NAME(connectRef), MACH_PORT_RIGHT_SEND, (ipc_object_t *)&port);
if (kr == KERN_SUCCESS) {
- assert(IP_VALID(port));
-
- if (ip_active(port) && (ip_kotype(port) == IKOT_IOKIT_CONNECT)) {
- obj = (io_object_t) port->ip_kobject;
- iokit_add_reference(obj);
- }
-
- ip_unlock(port);
+ assert(IP_VALID(port));
+
+ ip_reference(port);
+ ip_unlock(port);
+
+ iokit_lock_port(port);
+ if (ip_active(port) && (ip_kotype(port) == IKOT_IOKIT_CONNECT)) {
+ obj = (io_object_t) port->ip_kobject;
+ iokit_add_connect_reference(obj);
+ }
+ iokit_unlock_port(port);
+
+ ip_release(port);
}
}
ipc_port_release( port );
}
+EXTERN void
+iokit_release_port_send( ipc_port_t port )
+{
+ ipc_port_release_send( port );
+}
+
+extern lck_mtx_t iokit_obj_to_port_binding_lock;
+
+EXTERN void
+iokit_lock_port( __unused ipc_port_t port )
+{
+ lck_mtx_lock(&iokit_obj_to_port_binding_lock);
+}
+
+EXTERN void
+iokit_unlock_port( __unused ipc_port_t port )
+{
+ lck_mtx_unlock(&iokit_obj_to_port_binding_lock);
+}
+
/*
* Get the port for a device.
* Consumes a device reference; produces a naked send right.
iokit_make_object_port(
io_object_t obj )
{
- register ipc_port_t port;
- register ipc_port_t sendPort;
+ ipc_port_t port;
+ ipc_port_t sendPort;
if( obj == NULL)
return IP_NULL;
iokit_make_connect_port(
io_object_t obj )
{
- register ipc_port_t port;
- register ipc_port_t sendPort;
+ ipc_port_t port;
+ ipc_port_t sendPort;
if( obj == NULL)
return IP_NULL;
return( sendPort);
}
-
-EXTERN ipc_port_t
-iokit_alloc_object_port( io_object_t obj, ipc_kobject_type_t type );
-
int gIOKitPortCount;
EXTERN ipc_port_t
ipc_kobject_set( port, (ipc_kobject_t) obj, type);
/* Request no-senders notifications on the port. */
- notify = ipc_port_make_sonce( port);
ip_lock( port);
+ notify = ipc_port_make_sonce_locked( port);
ipc_port_nsrequest( port, 1, notify, ¬ify);
+ /* port unlocked */
assert( notify == IP_NULL);
gIOKitPortCount++;
EXTERN kern_return_t
iokit_destroy_object_port( ipc_port_t port )
{
+
+ iokit_lock_port(port);
ipc_kobject_set( port, IKO_NULL, IKOT_NONE);
// iokit_remove_reference( obj );
-
+ iokit_unlock_port(port);
ipc_port_dealloc_kernel( port);
gIOKitPortCount--;
EXTERN kern_return_t
iokit_switch_object_port( ipc_port_t port, io_object_t obj, ipc_kobject_type_t type )
{
+ iokit_lock_port(port);
ipc_kobject_set( port, (ipc_kobject_t) obj, type);
+ iokit_unlock_port(port);
return( KERN_SUCCESS);
}
{
ipc_port_t port;
ipc_port_t sendPort;
- mach_port_name_t name;
+ mach_port_name_t name = 0;
if( obj == NULL)
return MACH_PORT_NULL;
kern_return_t kr;
kr = ipc_object_copyout( task->itk_space, (ipc_object_t) sendPort,
MACH_MSG_TYPE_PORT_SEND, TRUE, &name);
- if ( kr != KERN_SUCCESS)
- name = MACH_PORT_NULL;
+ if ( kr != KERN_SUCCESS) {
+ ipc_port_release_send( sendPort );
+ name = MACH_PORT_NULL;
+ }
} else if ( sendPort == IP_NULL)
name = MACH_PORT_NULL;
else if ( sendPort == IP_DEAD)
{
ipc_port_t port;
io_object_t obj = NULL;
- ipc_kobject_type_t type;
+ ipc_kobject_type_t type = IKOT_NONE;
ipc_port_t notify;
port = (ipc_port_t) notification->not_header.msgh_remote_port;
// convert a port to io_object_t.
if( IP_VALID(port)) {
- ip_lock(port);
+ iokit_lock_port(port);
if( ip_active(port)) {
obj = (io_object_t) port->ip_kobject;
type = ip_kotype( port );
else
obj = NULL;
}
- ip_unlock(port);
+ iokit_unlock_port(port);
if( obj ) {
if( KERN_SUCCESS != iokit_client_died( obj, port, type, &mscount ))
{
- /* Re-request no-senders notifications on the port. */
- notify = ipc_port_make_sonce( port);
- ip_lock( port);
- ipc_port_nsrequest( port, mscount + 1, notify, ¬ify);
- assert( notify == IP_NULL);
+ /* Re-request no-senders notifications on the port (if still active) */
+ ip_lock(port);
+ if (ip_active(port)) {
+ notify = ipc_port_make_sonce_locked(port);
+ ipc_port_nsrequest( port, mscount + 1, notify, ¬ify);
+ /* port unlocked */
+ if ( notify != IP_NULL)
+ ipc_port_release_sonce(notify);
+ } else {
+ ip_unlock(port);
+ }
}
iokit_remove_reference( obj );
}
case MACH_NOTIFY_SEND_ONCE:
case MACH_NOTIFY_DEAD_NAME:
default:
- printf("iokit_notify: strange notification %ld\n", msg->msgh_id);
+ printf("iokit_notify: strange notification %d\n", msg->msgh_id);
return FALSE;
}
}
/* need to create a pmap function to generalize */
unsigned int IODefaultCacheBits(addr64_t pa)
{
-
- return(pmap_cache_attributes(pa >> PAGE_SHIFT));
+ return(pmap_cache_attributes((ppnum_t)(pa >> PAGE_SHIFT)));
}
kern_return_t IOMapPages(vm_map_t map, mach_vm_address_t va, mach_vm_address_t pa,
mach_vm_size_t length, unsigned int options)
{
- vm_prot_t prot;
+ vm_prot_t prot;
unsigned int flags;
+ ppnum_t pagenum;
pmap_t pmap = map->pmap;
prot = (options & kIOMapReadOnly)
? VM_PROT_READ : (VM_PROT_READ|VM_PROT_WRITE);
+ pagenum = (ppnum_t)atop_64(pa);
+
switch(options & kIOMapCacheMask ) { /* What cache mode do we need? */
case kIOMapDefaultCache:
case kIOMapCopybackCache:
flags = VM_WIMG_COPYBACK;
break;
+
+ case kIOMapCopybackInnerCache:
+ flags = VM_WIMG_INNERWBACK;
+ break;
+
+ case kIOMapPostedWrite:
+ flags = VM_WIMG_POSTED;
+ break;
}
- // Set up a block mapped area
- pmap_map_block(pmap, va, (ppnum_t)atop_64(pa), (uint32_t) atop_64(round_page_64(length)), prot, flags, 0);
+ pmap_set_cache_attributes(pagenum, flags);
- return( KERN_SUCCESS );
+ vm_map_set_cache_attr(map, (vm_map_offset_t)va);
+
+
+ // Set up a block mapped area
+ return pmap_map_block(pmap, va, pagenum, (uint32_t) atop_64(round_page_64(length)), prot, 0, 0);
}
kern_return_t IOUnmapPages(vm_map_t map, mach_vm_address_t va, mach_vm_size_t length)
return( KERN_SUCCESS );
}
-kern_return_t IOProtectCacheMode(vm_map_t map, mach_vm_address_t va,
- mach_vm_size_t length, unsigned int options)
+kern_return_t IOProtectCacheMode(vm_map_t __unused map, mach_vm_address_t __unused va,
+ mach_vm_size_t __unused length, unsigned int __unused options)
{
mach_vm_size_t off;
vm_prot_t prot;
unsigned int flags;
pmap_t pmap = map->pmap;
+ pmap_flush_context pmap_flush_context_storage;
+ boolean_t delayed_pmap_flush = FALSE;
prot = (options & kIOMapReadOnly)
? VM_PROT_READ : (VM_PROT_READ|VM_PROT_WRITE);
switch (options & kIOMapCacheMask)
{
- /* What cache mode do we need? */
+ // what cache mode do we need?
case kIOMapDefaultCache:
default:
return (KERN_INVALID_ARGUMENT);
case kIOMapCopybackCache:
flags = VM_WIMG_COPYBACK;
break;
+
+ case kIOMapCopybackInnerCache:
+ flags = VM_WIMG_INNERWBACK;
+ break;
+
+ case kIOMapPostedWrite:
+ flags = VM_WIMG_POSTED;
+ break;
}
-#if __ppc__
- // can't remap block mappings, but ppc doesn't speculative read from WC
-#else
+
+ pmap_flush_context_init(&pmap_flush_context_storage);
+ delayed_pmap_flush = FALSE;
// enter each page's physical address in the target map
for (off = 0; off < length; off += page_size)
{
ppnum_t ppnum = pmap_find_phys(pmap, va + off);
- if (ppnum)
- pmap_enter(pmap, va + off, ppnum, prot, flags, TRUE);
+ if (ppnum) {
+ pmap_enter_options(pmap, va + off, ppnum, prot, VM_PROT_NONE, flags, TRUE,
+ PMAP_OPTIONS_NOFLUSH, (void *)&pmap_flush_context_storage);
+ delayed_pmap_flush = TRUE;
+ }
}
-
-#endif
+ if (delayed_pmap_flush == TRUE)
+ pmap_flush(&pmap_flush_context_storage);
return (KERN_SUCCESS);
}
ppnum_t IOGetLastPageNumber(void)
{
- ppnum_t lastPage, highest = 0;
-
-#if __ppc__
- int idx;
- for (idx = 0; idx < pmap_mem_regions_count; idx++)
- {
- lastPage = pmap_mem_regions[idx].mrEnd;
-#elif __i386__
- unsigned int idx;
- for (idx = 0; idx < pmap_memory_region_count; idx++)
- {
- lastPage = pmap_memory_regions[idx].end - 1;
+#if __i386__ || __x86_64__
+ ppnum_t lastPage, highest = 0;
+ unsigned int idx;
+
+ for (idx = 0; idx < pmap_memory_region_count; idx++)
+ {
+ lastPage = pmap_memory_regions[idx].end - 1;
+ if (lastPage > highest)
+ highest = lastPage;
+ }
+ return (highest);
+#elif __arm__ || __arm64__
+ return 0;
#else
-#error arch
+#error unknown arch
#endif
- if (lastPage > highest)
- highest = lastPage;
- }
- return (highest);
}
void IOGetTime( mach_timespec_t * clock_time);
void IOGetTime( mach_timespec_t * clock_time)
{
- clock_get_system_nanotime(&clock_time->tv_sec, &clock_time->tv_nsec);
+ clock_sec_t sec;
+ clock_nsec_t nsec;
+ clock_get_system_nanotime(&sec, &nsec);
+ clock_time->tv_sec = (typeof(clock_time->tv_sec))sec;
+ clock_time->tv_nsec = nsec;
}
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