*
* @APPLE_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.
+ * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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
* 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@
*/
#include <device/device_port.h>
#include <device/device_server.h>
-#include <sys/ioctl.h>
-
#include <machine/machparam.h>
#ifdef __ppc__
ipc_kobject_type_t type );
extern kern_return_t iokit_client_died( io_object_t obj,
- ipc_port_t port, ipc_kobject_type_t type );
+ ipc_port_t port, ipc_kobject_type_t type, mach_port_mscount_t mscount );
extern kern_return_t
iokit_client_memory_for_type(
return iokit_lookup_connect_ref(connectRef, current_space());
}
+EXTERN void
+iokit_retain_port( ipc_port_t port )
+{
+ ipc_port_reference( port );
+}
+
+EXTERN void
+iokit_release_port( ipc_port_t port )
+{
+ ipc_port_release( port );
+}
+
/*
* Get the port for a device.
* Consumes a device reference; produces a naked send right.
io_object_t obj )
{
register ipc_port_t port;
+ register ipc_port_t sendPort;
if( obj == NULL)
return IP_NULL;
port = iokit_port_for_object( obj, IKOT_IOKIT_OBJECT );
- if( port)
- port = ipc_port_make_send( port);
+ if( port) {
+ sendPort = ipc_port_make_send( port);
+ iokit_release_port( port );
+ } else
+ sendPort = IP_NULL;
iokit_remove_reference( obj );
- return( port);
+ return( sendPort);
}
MIGEXTERN ipc_port_t
io_object_t obj )
{
register ipc_port_t port;
+ register ipc_port_t sendPort;
if( obj == NULL)
return IP_NULL;
port = iokit_port_for_object( obj, IKOT_IOKIT_CONNECT );
- if( port)
- port = ipc_port_make_send( port);
+ if( port) {
+ sendPort = ipc_port_make_send( port);
+ iokit_release_port( port );
+ } else
+ sendPort = IP_NULL;
iokit_remove_reference( obj );
- return( port);
+ return( sendPort);
}
return( KERN_SUCCESS);
}
+EXTERN kern_return_t
+iokit_switch_object_port( ipc_port_t port, io_object_t obj, ipc_kobject_type_t type )
+{
+ ipc_kobject_set( port, (ipc_kobject_t) obj, type);
+
+ return( KERN_SUCCESS);
+}
+
EXTERN mach_port_name_t
iokit_make_send_right( task_t task, io_object_t obj, ipc_kobject_type_t type )
{
- kern_return_t kr;
ipc_port_t port;
+ ipc_port_t sendPort;
mach_port_name_t name;
if( obj == NULL)
return MACH_PORT_NULL;
port = iokit_port_for_object( obj, type );
- if( port)
- port = ipc_port_make_send( port);
- if( port == IP_NULL)
- return MACH_PORT_NULL;
-
- kr = ipc_object_copyout( task->itk_space, (ipc_object_t) port,
+ if( port) {
+ sendPort = ipc_port_make_send( port);
+ iokit_release_port( port );
+ } else
+ sendPort = IP_NULL;
+
+ if (IP_VALID( sendPort )) {
+ 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)
+ name = MACH_PORT_NULL;
+ } else if ( sendPort == IP_NULL)
+ name = MACH_PORT_NULL;
+ else if ( sendPort == IP_DEAD)
+ name = MACH_PORT_DEAD;
iokit_remove_reference( obj );
ipc_port_t port;
io_object_t obj = NULL;
ipc_kobject_type_t type;
+ ipc_port_t notify;
port = (ipc_port_t) notification->not_header.msgh_remote_port;
if( (IKOT_IOKIT_OBJECT == type)
|| (IKOT_IOKIT_CONNECT == type))
iokit_add_reference( obj );
- else
+ else
obj = NULL;
}
ip_unlock(port);
if( obj ) {
- (void) iokit_client_died( obj, port, type );
+
+ mach_port_mscount_t mscount = notification->not_count;
+
+ 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);
+ }
iokit_remove_reference( obj );
}
}
}
}
+#ifndef i386
+unsigned int IOTranslateCacheBits(struct phys_entry *pp)
+{
+ unsigned int flags;
+ unsigned int memattr;
+
+ /* need to create a pmap function to generalize */
+ memattr = ((pp->pte1 & 0x00000078) >> 3);
+
+ /* NOTE: DEVICE_PAGER_FLAGS are made to line up */
+ flags = memattr & VM_WIMG_MASK;
+ return flags;
+}
+#endif
+
kern_return_t IOMapPages(vm_map_t map, vm_offset_t va, vm_offset_t pa,
vm_size_t length, unsigned int options)
{
#else
// enter each page's physical address in the target map
for (off = 0; off < length; off += page_size) { /* Loop for the whole length */
- pmap_enter(pmap, va + off, pa + off, prot, TRUE); /* Map it in */
+ pmap_enter(pmap, va + off, pa + off, prot, VM_WIMG_USE_DEFAULT, TRUE); /* Map it in */
}
#endif
return( KERN_SUCCESS );
}
+kern_return_t IOUnmapPages(vm_map_t map, vm_offset_t va, vm_size_t length)
+{
+ pmap_t pmap = map->pmap;
+
+ pmap_remove(pmap, trunc_page(va), round_page(va + length));
+
+ return( KERN_SUCCESS );
+}
+
void IOGetTime( mach_timespec_t * clock_time);
void IOGetTime( mach_timespec_t * clock_time)
{
*clock_time = clock_get_system_value();
}
+
projects / apple / xnu.git / blobdiff