xnu-7195.101.1.tar.gz

[apple/xnu.git] / osfmk / mach / host_priv.defs

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 * Copyright (c) 2000-2004 Apple Inc. All rights reserved.
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 * @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
 * 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,
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 * Please see the License for the specific language governing rights and
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 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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/*
 * @OSF_COPYRIGHT@
 */
/* 
 * Mach Operating System
 * Copyright (c) 1991,1990,1989,1988 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.
 */
/*
 */

/*
 *	Matchmaker definitions file for Mach kernel interface.
 */
subsystem
#if	KERNEL_USER
	  KernelUser
#endif	/* KERNEL_USER */
#if	KERNEL_SERVER
	  KernelServer
#endif	/* KERNEL_SERVER */
		       host_priv 400;

#ifdef	KERNEL_USER
userprefix r_;
#endif	/* KERNEL_USER */

#define CONCAT(a,b) a ## b
#if	KERNEL_SERVER
#define KERNEL_SERVER_SUFFIX(NAME) CONCAT(NAME, _external)
#else
#define KERNEL_SERVER_SUFFIX(NAME) NAME
#endif

#include <mach/std_types.defs>
#include <mach/mach_types.defs>
#include <mach/clock_types.defs>
#include <mach_debug/mach_debug_types.defs>

/*
 *      Get boot configuration information from kernel.
 */
routine host_get_boot_info(
		host_priv	: host_priv_t;
	out	boot_info	: kernel_boot_info_t);

/*
 *	Reboot this host.
 *	Only available to privileged users.
 */
routine host_reboot(
		host_priv	: host_priv_t;
		options		: int);


/*
 *	Return privileged statistics from this host.
 */
routine host_priv_statistics(
		host_priv	: host_priv_t;
		flavor		: host_flavor_t;
	out	host_info_out	: host_info_t, CountInOut);

/*
 *	Sets the default memory manager, the port to which
 *	newly-created temporary memory objects are delivered.
 *	[See (memory_object_default)memory_object_create.]
 *	Also sets the default cluster size used for pagein/pageout
 *	to this port.
 *	The old memory manager port is returned.
 */
routine host_default_memory_manager(
		host_priv	: host_priv_t;
	inout	default_manager	: memory_object_default_t = 
					MACH_MSG_TYPE_MAKE_SEND;
		cluster_size	: memory_object_cluster_size_t);


/*
 *	Specify that the range of the virtual address space
 *	of the target task must not cause page faults for
 *	the indicated accesses.
 *
 *	[ To unwire the pages, specify VM_PROT_NONE. ]
 */
routine	vm_wire(
		host_priv	: host_priv_t;
		task		: vm_map_t;
		address		: vm_address_t;
		size		: vm_size_t;
		desired_access	: vm_prot_t);

/*
 *	Specify that the target thread must always be able
 *	to run and to allocate memory.
 */
routine	thread_wire(
		host_priv	: host_priv_t;
		thread		: thread_act_t;
		wired		: boolean_t);

/*
 *	Allocate zero-filled, wired, contiguous physical memory
 *	in the address space of the target task, either at the
 *	specified address, or wherever space can be found (if
 *	anywhere is TRUE), of the specified size.  The address
 *	at which the allocation actually took place is returned.
 *	All pages will be entered into the task's pmap immediately,
 *	with VM_PROT_ALL.
 *
 *	In addition to all the failure modes of its cousin,
 *	vm_allocate, this call may also fail if insufficient
 *	contiguous memory exists to satisfy the request.
 *
 *	Memory obtained from this call should be freed the
 *	normal way, via vm_deallocate.
 *
 *	N.B.  This is an EXPERIMENTAL interface!
 */
routine	vm_allocate_cpm(
		host_priv	: host_priv_t;
		task		: vm_map_t;
	inout	address		: vm_address_t;
		size		: vm_size_t;
		flags		: int);

/*
 *	Get list of processors on this host.
 */
routine host_processors(
		host_priv		: host_priv_t;
	out	out_processor_list	: processor_array_t);


/*
 *	Get control port for a system-wide clock.
 *	Privileged.
 */
routine host_get_clock_control(
		host_priv	: host_priv_t;
		clock_id	: clock_id_t;
	out	clock_ctrl	: clock_ctrl_t);


/*
 * kernel module interface (obsolete as of SnowLeopard)
 * see mach/kmod.h
 */
/* kmod_ MIG calls now return KERN_NOT_SUPPORTED on PPC/i386/x86_64. */
routine kmod_create(
		host_priv	: host_priv_t;
		info		: vm_address_t;
	out	module		: kmod_t);

routine kmod_destroy(
		host_priv	: host_priv_t;
		module		: kmod_t);

routine	kmod_control(
		host_priv	: host_priv_t;
		module		: kmod_t;
		flavor		: kmod_control_flavor_t;
	inout	data		: kmod_args_t);

/*
 * 	Get a given special port for a given node.
 * 	Special ports are defined in host_special_ports.h;
 * 	examples include the master device port.
 * 	There are a limited number of slots available for system servers.
 */
routine
#if KERNEL_SERVER && MACH_KERNEL_PRIVATE
host_get_special_port_from_user(
#else
host_get_special_port(
#endif
                host_priv       : host_priv_t;
                node            : int;
                which           : int;
        out     port            : mach_port_t);

/*
 * 	Set a given special port for the local node.
 * 	See host_get_special_port.
 */
routine
#if KERNEL_SERVER && MACH_KERNEL_PRIVATE
host_set_special_port_from_user(
#else
host_set_special_port(
#endif
                host_priv       : host_priv_t;
                which           : int;
                port            : mach_port_t);

/*
 * Set an exception handler for a host on one or more exception types.
 * These handlers are invoked for all threads on the host if there are
 * no task or thread-specific exception handlers or those handlers returned
 * an error.
 */
routine	host_set_exception_ports(
		host_priv	: host_priv_t;
		exception_mask	: exception_mask_t;
		new_port	: mach_port_t;
		behavior	: exception_behavior_t;
		new_flavor	: thread_state_flavor_t);


/*
 * Lookup some of the old exception handlers for a host
 */
routine	host_get_exception_ports(
		host_priv	: host_priv_t;
		exception_mask	: exception_mask_t;
	  out	masks		: exception_mask_array_t;
	  out	old_handlers	: exception_handler_array_t, SameCount;
	  out	old_behaviors	: exception_behavior_array_t, SameCount;
	  out	old_flavors	: exception_flavor_array_t, SameCount);


/*
 * Set an exception handler for a host on one or more exception types.
 * At the same time, return the previously defined exception handlers for
 * those types.
 */
routine	host_swap_exception_ports(
		host_priv	: host_priv_t;
		exception_mask	: exception_mask_t;
		new_port	: mach_port_t;
		behavior	: exception_behavior_t;
		new_flavor	: thread_state_flavor_t;
	  out	masks		: exception_mask_array_t;
	  out	old_handlerss	: exception_handler_array_t, SameCount;
	  out	old_behaviors	: exception_behavior_array_t, SameCount;
	  out	old_flavors	: exception_flavor_array_t, SameCount);

skip; /* old host_load_symbol_table */

/*
 *	Specify that the range of the virtual address space
 *	of the target task must not cause page faults for
 *	the indicated accesses.
 *
 *	[ To unwire the pages, specify VM_PROT_NONE. ]
 */
routine	KERNEL_SERVER_SUFFIX(mach_vm_wire)(
		host_priv	: host_priv_t;
		task		: vm_map_t;
		address		: mach_vm_address_t;
		size		: mach_vm_size_t;
		desired_access	: vm_prot_t);

/*
 * JMM - Keep all processor_set related items at the end for easy
 * removal.
 */
/*
 *	List all processor sets on host.
 */
routine host_processor_sets(
		host_priv	: host_priv_t;
	out	processor_sets	: processor_set_name_array_t);

/*
 *	Get control port for a processor set.
 */
routine host_processor_set_priv(
		host_priv	: host_priv_t;
		set_name	: processor_set_name_t;
	out	set		: processor_set_t);

/************************** Warning *************************************/
/*       The following routines are going away in a future release	*/
/*	use the appropriate variant of host_set_special_port instead	*/
/************************************************************************/

skip;/* old set_dp_control_port */
skip;/* old get_dp_control_port */

/*
 *	Set the UserNotification daemon access port for this host. 
 *	If this value is already set, the kernel will discard its
 *	reference to the previously registered port.
 */
routine host_set_UNDServer(    
		host		: host_priv_t;
	in	server		: UNDServerRef);

/*
 *	Get the UserNotification daemon access port for this host.
 *	This can then be used to communicate with that daemon, which
 *	in turn communicates with the User through whatever means
 *	available (pop-up-menus for GUI systems, text for non-GUI, etc..).
 *
 *	Access to this port is restricted to privileged clients because
 *	it is a special purpose port intended for kernel clients.  User
 *	level clients should go directly to the CFUserNotifcation services.
 */
routine host_get_UNDServer(    
		host		: host_priv_t;
	out	server		: UNDServerRef);

/*
 * Perform an operation with a kernel extension, on the kext loading system,
 * or request information about loaded kexts or the state of the kext loading
 * system.
 * Active operations (load, unload, disable/enable) require host_priv/root access.
 * Info retrieval does not.
 *
 * WARNING: THIS ROUTINE IS PRIVATE TO THE KEXT-MANAGEMENT STACK AND IS
 * SUBJECT TO CHANGE AT ANY TIME.
 */
routine kext_request(
        host_priv      : host_priv_t;
    in  user_log_flags : uint32_t;
    in  request_data   : pointer_t;
    out response_data  : pointer_t;
    out log_data       : pointer_t;
    out op_result      : kern_return_t);

/* vim: set ft=c : */