xref: /xnu-8796.101.5/osfmk/mach/mach_types.h (revision aca3beaa3dfbd42498b42c5e5ce20a938e6554e5)
1 /*
2  * Copyright (c) 2000-2018 Apple Inc. All rights reserved.
3  *
4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5  *
6  * This file contains Original Code and/or Modifications of Original Code
7  * as defined in and that are subject to the Apple Public Source License
8  * Version 2.0 (the 'License'). You may not use this file except in
9  * compliance with the License. The rights granted to you under the License
10  * may not be used to create, or enable the creation or redistribution of,
11  * unlawful or unlicensed copies of an Apple operating system, or to
12  * circumvent, violate, or enable the circumvention or violation of, any
13  * terms of an Apple operating system software license agreement.
14  *
15  * Please obtain a copy of the License at
16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17  *
18  * The Original Code and all software distributed under the License are
19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23  * Please see the License for the specific language governing rights and
24  * limitations under the License.
25  *
26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27  */
28 /*
29  * @OSF_COPYRIGHT@
30  */
31 /*
32  * Mach Operating System
33  * Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University
34  * All Rights Reserved.
35  *
36  * Permission to use, copy, modify and distribute this software and its
37  * documentation is hereby granted, provided that both the copyright
38  * notice and this permission notice appear in all copies of the
39  * software, derivative works or modified versions, and any portions
40  * thereof, and that both notices appear in supporting documentation.
41  *
42  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
43  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
44  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
45  *
46  * Carnegie Mellon requests users of this software to return to
47  *
48  *  Software Distribution Coordinator  or  [email protected]
49  *  School of Computer Science
50  *  Carnegie Mellon University
51  *  Pittsburgh PA 15213-3890
52  *
53  * any improvements or extensions that they make and grant Carnegie Mellon
54  * the rights to redistribute these changes.
55  */
56 /*
57  */
58 /*
59  * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
60  * support for mandatory and extensible security protections.  This notice
61  * is included in support of clause 2.2 (b) of the Apple Public License,
62  * Version 2.0.
63  */
64 /*
65  *	File:	mach/mach_types.h
66  *	Author:	Avadis Tevanian, Jr., Michael Wayne Young
67  *	Date:	1986
68  *
69  *	Mach external interface definitions.
70  *
71  */
72 
73 #ifndef _MACH_MACH_TYPES_H_
74 #define _MACH_MACH_TYPES_H_
75 
76 #include <stdint.h>
77 
78 #include <sys/cdefs.h>
79 
80 #include <mach/host_info.h>
81 #include <mach/host_notify.h>
82 #include <mach/host_special_ports.h>
83 #include <mach/machine.h>
84 #include <mach/machine/vm_types.h>
85 #include <mach/memory_object_types.h>
86 #include <mach/message.h>
87 #include <mach/exception_types.h>
88 #include <mach/port.h>
89 #include <mach/mach_voucher_types.h>
90 #include <mach/processor_info.h>
91 #include <mach/task_info.h>
92 #include <mach/task_inspect.h>
93 #include <mach/task_policy.h>
94 #include <mach/task_special_ports.h>
95 #include <mach/thread_info.h>
96 #include <mach/thread_policy.h>
97 #include <mach/thread_special_ports.h>
98 #include <mach/thread_status.h>
99 #include <mach/time_value.h>
100 #include <mach/clock_types.h>
101 #include <mach/vm_attributes.h>
102 #include <mach/vm_inherit.h>
103 #include <mach/vm_purgable.h>
104 #include <mach/vm_behavior.h>
105 #include <mach/vm_prot.h>
106 #include <mach/vm_statistics.h>
107 #include <mach/vm_sync.h>
108 #include <mach/vm_types.h>
109 #include <mach/vm_region.h>
110 #include <mach/kmod.h>
111 #include <mach/dyld_kernel.h>
112 
113 #ifdef  KERNEL
114 
115 #include <mach/vm_param.h>
116 
117 /*
118  * If we are in the kernel, then pick up the kernel definitions for
119  * the basic mach types.
120  */
121 typedef struct task                     *task_t, *task_name_t, *task_inspect_t, *task_read_t, *task_suspension_token_t, *task_policy_set_t, *task_policy_get_t;
122 typedef struct thread                   *thread_t, *thread_act_t, *thread_inspect_t, *thread_read_t;
123 typedef struct ipc_space                *ipc_space_t, *ipc_space_read_t, *ipc_space_inspect_t;
124 typedef struct coalition                *coalition_t;
125 typedef struct host                     *host_t;
126 typedef struct host                     *host_priv_t;
127 typedef struct host                     *host_security_t;
128 typedef struct processor                *processor_t;
129 typedef struct processor_set            *processor_set_t;
130 typedef struct processor_set            *processor_set_control_t;
131 typedef struct semaphore                *semaphore_t;
132 typedef struct ledger                   *ledger_t;
133 typedef struct alarm                    *alarm_t;
134 typedef struct clock                    *clock_serv_t;
135 typedef struct clock                    *clock_ctrl_t;
136 typedef struct arcade_register          *arcade_register_t;
137 typedef struct ipc_eventlink            *ipc_eventlink_t;
138 typedef struct ipc_port                 *eventlink_port_pair_t[2];
139 typedef struct task_id_token            *task_id_token_t;
140 typedef struct kcdata_object            *kcdata_object_t;
141 
142 /*
143  * OBSOLETE: lock_set interfaces are obsolete.
144  */
145 typedef struct lock_set                 *lock_set_t;
146 struct lock_set;
147 
148 #ifndef MACH_KERNEL_PRIVATE
149 
150 __BEGIN_DECLS
151 
152 struct task;
153 struct thread;
154 struct host;
155 struct processor;
156 struct processor_set;
157 struct semaphore;
158 struct ledger;
159 struct alarm;
160 struct clock;
161 struct arcade_register;
162 struct ipc_eventlink;
163 struct ipc_port;
164 
165 __END_DECLS
166 
167 #endif  /* MACH_KERNEL_PRIVATE */
168 
169 #else   /* KERNEL */
170 
171 /*
172  * If we are not in the kernel, then these will all be represented by
173  * ports at user-space.
174  */
175 typedef mach_port_t             task_t;
176 typedef mach_port_t             task_name_t;
177 typedef mach_port_t             task_policy_set_t;
178 typedef mach_port_t             task_policy_get_t;
179 typedef mach_port_t             task_inspect_t;
180 typedef mach_port_t             task_read_t;
181 typedef mach_port_t             task_suspension_token_t;
182 typedef mach_port_t             thread_t;
183 typedef mach_port_t             thread_act_t;
184 typedef mach_port_t             thread_inspect_t;
185 typedef mach_port_t             thread_read_t;
186 typedef mach_port_t             ipc_space_t;
187 typedef mach_port_t             ipc_space_read_t;
188 typedef mach_port_t             ipc_space_inspect_t;
189 typedef mach_port_t             coalition_t;
190 typedef mach_port_t             host_t;
191 typedef mach_port_t             host_priv_t;
192 typedef mach_port_t             host_security_t;
193 typedef mach_port_t             processor_t;
194 typedef mach_port_t             processor_set_t;
195 typedef mach_port_t             processor_set_control_t;
196 typedef mach_port_t             semaphore_t;
197 typedef mach_port_t             lock_set_t;
198 typedef mach_port_t             ledger_t;
199 typedef mach_port_t             alarm_t;
200 typedef mach_port_t             clock_serv_t;
201 typedef mach_port_t             clock_ctrl_t;
202 typedef mach_port_t             arcade_register_t;
203 typedef mach_port_t             ipc_eventlink_t;
204 typedef mach_port_t             eventlink_port_pair_t[2];
205 typedef mach_port_t             task_id_token_t;
206 typedef mach_port_t             kcdata_object_t;
207 
208 #endif  /* KERNEL */
209 
210 /*
211  * These aren't really unique types.  They are just called
212  * out as unique types at one point in history.  So we list
213  * them here for compatibility.
214  */
215 typedef processor_set_t         processor_set_name_t;
216 
217 /*
218  * These types are just hard-coded as ports
219  */
220 typedef mach_port_t             clock_reply_t;
221 typedef mach_port_t             bootstrap_t;
222 typedef mach_port_t             mem_entry_name_port_t;
223 typedef mach_port_t             exception_handler_t;
224 typedef exception_handler_t     *exception_handler_array_t;
225 typedef mach_port_t             vm_task_entry_t;
226 typedef mach_port_t             io_main_t;
227 typedef mach_port_t             UNDServerRef;
228 typedef mach_port_t             mach_eventlink_t;
229 
230 typedef ipc_info_port_t         exception_handler_info_t;
231 
232 /*
233  * Mig doesn't translate the components of an array.
234  * For example, Mig won't use the thread_t translations
235  * to translate a thread_array_t argument.  So, these definitions
236  * are not completely accurate at the moment for other kernel
237  * components.
238  */
239 typedef task_t                  *task_array_t;
240 typedef thread_t                *thread_array_t;
241 typedef processor_set_t         *processor_set_array_t;
242 typedef processor_set_t         *processor_set_name_array_t;
243 typedef processor_t             *processor_array_t;
244 typedef thread_act_t            *thread_act_array_t;
245 typedef ledger_t                *ledger_array_t;
246 
247 /*
248  * However the real mach_types got declared, we also have to declare
249  * types with "port" in the name for compatability with the way OSF
250  * had declared the user interfaces at one point.  Someday these should
251  * go away.
252  */
253 typedef task_t                  task_port_t;
254 typedef task_array_t            task_port_array_t;
255 typedef thread_t                thread_port_t;
256 typedef thread_array_t          thread_port_array_t;
257 typedef ipc_space_t             ipc_space_port_t;
258 typedef host_t                  host_name_t;
259 typedef host_t                  host_name_port_t;
260 typedef processor_set_t         processor_set_port_t;
261 typedef processor_set_t         processor_set_name_port_t;
262 typedef processor_set_array_t   processor_set_name_port_array_t;
263 typedef processor_set_t         processor_set_control_port_t;
264 typedef processor_t             processor_port_t;
265 typedef processor_array_t       processor_port_array_t;
266 typedef thread_act_t            thread_act_port_t;
267 typedef thread_act_array_t      thread_act_port_array_t;
268 typedef semaphore_t             semaphore_port_t;
269 typedef lock_set_t              lock_set_port_t;
270 typedef ledger_t                ledger_port_t;
271 typedef ledger_array_t          ledger_port_array_t;
272 typedef alarm_t                 alarm_port_t;
273 typedef clock_serv_t            clock_serv_port_t;
274 typedef clock_ctrl_t            clock_ctrl_port_t;
275 typedef exception_handler_t     exception_port_t;
276 typedef exception_handler_array_t exception_port_arrary_t;
277 typedef char vfs_path_t[4096];
278 /*
279  * 8K, c.f. FSGETPATH_MAXBUFLEN in bsd/vfs/vfs_syscalls.c.
280  * These types should NEVER be allocated on the stack.
281  */
282 typedef char nspace_path_t[8192];
283 typedef char nspace_name_t[8192];
284 
285 #ifdef KERNEL
286 #define TASK_NULL               ((task_t) NULL)
287 #define TASK_NAME_NULL          ((task_name_t) NULL)
288 #define TASK_INSPECT_NULL       ((task_inspect_t) NULL)
289 #define TASK_READ_NULL          ((task_read_t) NULL)
290 #define THREAD_NULL             ((thread_t) NULL)
291 #define THREAD_INSPECT_NULL     ((thread_inspect_t)NULL)
292 #define THREAD_READ_NULL        ((thread_read_t)NULL)
293 #define TID_NULL                ((uint64_t) NULL)
294 #define THR_ACT_NULL            ((thread_act_t) NULL)
295 #define IPC_SPACE_NULL          ((ipc_space_t) NULL)
296 #define IPC_SPACE_READ_NULL     ((ipc_space_read_t) NULL)
297 #define IPC_SPACE_INSPECT_NULL  ((ipc_space_inspect_t) NULL)
298 #define COALITION_NULL          ((coalition_t) NULL)
299 #define HOST_NULL               ((host_t) NULL)
300 #define HOST_PRIV_NULL          ((host_priv_t)NULL)
301 #define HOST_SECURITY_NULL      ((host_security_t)NULL)
302 #define PROCESSOR_SET_NULL      ((processor_set_t) NULL)
303 #define PROCESSOR_NULL          ((processor_t) NULL)
304 #define SEMAPHORE_NULL          ((semaphore_t) NULL)
305 #define LOCK_SET_NULL           ((lock_set_t) NULL)
306 #define LEDGER_NULL             ((ledger_t) NULL)
307 #define ALARM_NULL              ((alarm_t) NULL)
308 #define CLOCK_NULL              ((clock_t) NULL)
309 #define UND_SERVER_NULL         ((UNDServerRef) NULL)
310 #define ARCADE_REG_NULL         ((arcade_register_t) NULL)
311 #define MACH_EVENTLINK_NULL     ((mach_eventlink_t) 0)
312 #define IPC_EVENTLINK_NULL      ((ipc_eventlink_t) NULL)
313 #define TASK_ID_TOKEN_NULL      ((task_id_token_t) NULL)
314 #define KCDATA_OBJECT_NULL      ((kcdata_object_t) NULL)
315 #else
316 #define TASK_NULL               ((task_t) 0)
317 #define TASK_NAME_NULL          ((task_name_t) 0)
318 #define TASK_INSPECT_NULL       ((task_inspect_t) 0)
319 #define TASK_READ_NULL          ((task_read_t) 0)
320 #define THREAD_NULL             ((thread_t) 0)
321 #define THREAD_INSPECT_NULL     ((thread_inspect_t) 0)
322 #define THREAD_READ_NULL        ((thread_read_t) 0)
323 #define TID_NULL                ((uint64_t) 0)
324 #define THR_ACT_NULL            ((thread_act_t) 0)
325 #define IPC_SPACE_NULL          ((ipc_space_t) 0)
326 #define IPC_SPACE_READ_NULL     ((ipc_space_read_t) 0)
327 #define IPC_SPACE_INSPECT_NULL  ((ipc_space_inspect_t) 0)
328 #define COALITION_NULL          ((coalition_t) 0)
329 #define HOST_NULL               ((host_t) 0)
330 #define HOST_PRIV_NULL          ((host_priv_t) 0)
331 #define HOST_SECURITY_NULL      ((host_security_t) 0)
332 #define PROCESSOR_SET_NULL      ((processor_set_t) 0)
333 #define PROCESSOR_NULL          ((processor_t) 0)
334 #define SEMAPHORE_NULL          ((semaphore_t) 0)
335 #define LOCK_SET_NULL           ((lock_set_t) 0)
336 #define LEDGER_NULL             ((ledger_t) 0)
337 #define ALARM_NULL              ((alarm_t) 0)
338 #define CLOCK_NULL              ((clock_t) 0)
339 #define UND_SERVER_NULL         ((UNDServerRef) 0)
340 #define ARCADE_REG_NULL         ((arcade_register_t) 0)
341 #define MACH_EVENTLINK_NULL     ((mach_eventlink_t) 0)
342 #define IPC_EVENTLINK_NULL      ((ipc_eventlink_t) 0)
343 #define TASK_ID_TOKEN_NULL      ((task_id_token_t) 0)
344 #define KCDATA_OBJECT_NULL      ((kcdata_object_t) 0)
345 #endif
346 
347 /* capability strictly _DECREASING_.
348  * not ordered the other way around because we want TASK_FLAVOR_CONTROL
349  * to be closest to the itk_lock. see task.h.
350  */
351 typedef unsigned int            mach_task_flavor_t;
352 #define TASK_FLAVOR_CONTROL     0    /* a task_t */
353 #define TASK_FLAVOR_READ        1    /* a task_read_t */
354 #define TASK_FLAVOR_INSPECT     2    /* a task_inspect_t */
355 #define TASK_FLAVOR_NAME        3    /* a task_name_t */
356 
357 #define TASK_FLAVOR_MAX         TASK_FLAVOR_NAME
358 
359 /* capability strictly _DECREASING_ */
360 typedef unsigned int            mach_thread_flavor_t;
361 #define THREAD_FLAVOR_CONTROL   0    /* a thread_t */
362 #define THREAD_FLAVOR_READ      1    /* a thread_read_t */
363 #define THREAD_FLAVOR_INSPECT   2    /* a thread_inspect_t */
364 
365 #define THREAD_FLAVOR_MAX       THREAD_FLAVOR_INSPECT
366 
367 /* DEPRECATED */
368 typedef natural_t               ledger_item_t;
369 #define LEDGER_ITEM_INFINITY    ((ledger_item_t) (~0))
370 
371 typedef int64_t                 ledger_amount_t;
372 #define LEDGER_LIMIT_INFINITY   ((ledger_amount_t)((1ULL << 63) - 1))
373 
374 typedef mach_vm_offset_t        *emulation_vector_t;
375 typedef char                    *user_subsystem_t;
376 
377 typedef char                    *labelstr_t;
378 /*
379  *	Backwards compatibility, for those programs written
380  *	before mach/{std,mach}_types.{defs,h} were set up.
381  */
382 #include <mach/std_types.h>
383 
384 #endif  /* _MACH_MACH_TYPES_H_ */
385