xref: /illumos-gate/usr/src/boot/sys/sys/types.h (revision 199767f8)
1 /*-
2  * Copyright (c) 1982, 1986, 1991, 1993, 1994
3  *	The Regents of the University of California.  All rights reserved.
4  * (c) UNIX System Laboratories, Inc.
5  * All or some portions of this file are derived from material licensed
6  * to the University of California by American Telephone and Telegraph
7  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8  * the permission of UNIX System Laboratories, Inc.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 4. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  *	@(#)types.h	8.6 (Berkeley) 2/19/95
35  * $FreeBSD$
36  */
37 
38 #ifndef _SYS_TYPES_H_
39 #define	_SYS_TYPES_H_
40 
41 #include <sys/cdefs.h>
42 
43 /* Machine type dependent parameters. */
44 #include <machine/endian.h>
45 #include <sys/_types.h>
46 
47 #include <sys/_pthreadtypes.h>
48 
49 #if __BSD_VISIBLE
50 typedef	unsigned char	u_char;
51 typedef	unsigned short	u_short;
52 typedef	unsigned int	u_int;
53 typedef	unsigned long	u_long;
54 #ifndef _KERNEL
55 typedef	unsigned short	ushort;		/* Sys V compatibility */
56 typedef	unsigned int	uint;		/* Sys V compatibility */
57 #endif
58 #endif
59 
60 /*
61  * XXX POSIX sized integrals that should appear only in <sys/stdint.h>.
62  */
63 #include <sys/_stdint.h>
64 
65 typedef __uint8_t	u_int8_t;	/* unsigned integrals (deprecated) */
66 typedef __uint16_t	u_int16_t;
67 typedef __uint32_t	u_int32_t;
68 typedef __uint64_t	u_int64_t;
69 
70 typedef	__uint64_t	u_quad_t;	/* quads (deprecated) */
71 typedef	__int64_t	quad_t;
72 typedef	quad_t *	qaddr_t;
73 
74 typedef	char *		caddr_t;	/* core address */
75 typedef	const char *	c_caddr_t;	/* core address, pointer to const */
76 
77 #ifndef _BLKSIZE_T_DECLARED
78 typedef	__blksize_t	blksize_t;
79 #define	_BLKSIZE_T_DECLARED
80 #endif
81 
82 typedef	__cpuwhich_t	cpuwhich_t;
83 typedef	__cpulevel_t	cpulevel_t;
84 typedef	__cpusetid_t	cpusetid_t;
85 
86 #ifndef _BLKCNT_T_DECLARED
87 typedef	__blkcnt_t	blkcnt_t;
88 #define	_BLKCNT_T_DECLARED
89 #endif
90 
91 #ifndef _CLOCK_T_DECLARED
92 typedef	__clock_t	clock_t;
93 #define	_CLOCK_T_DECLARED
94 #endif
95 
96 #ifndef _CLOCKID_T_DECLARED
97 typedef	__clockid_t	clockid_t;
98 #define	_CLOCKID_T_DECLARED
99 #endif
100 
101 typedef	__critical_t	critical_t;	/* Critical section value */
102 typedef	__int64_t	daddr_t;	/* disk address */
103 
104 #ifndef _DEV_T_DECLARED
105 typedef	__dev_t		dev_t;		/* device number or struct cdev */
106 #define	_DEV_T_DECLARED
107 #endif
108 
109 #ifndef _FFLAGS_T_DECLARED
110 typedef	__fflags_t	fflags_t;	/* file flags */
111 #define	_FFLAGS_T_DECLARED
112 #endif
113 
114 typedef	__fixpt_t	fixpt_t;	/* fixed point number */
115 
116 #ifndef _FSBLKCNT_T_DECLARED		/* for statvfs() */
117 typedef	__fsblkcnt_t	fsblkcnt_t;
118 typedef	__fsfilcnt_t	fsfilcnt_t;
119 #define	_FSBLKCNT_T_DECLARED
120 #endif
121 
122 #ifndef _GID_T_DECLARED
123 typedef	__gid_t		gid_t;		/* group id */
124 #define	_GID_T_DECLARED
125 #endif
126 
127 #ifndef _IN_ADDR_T_DECLARED
128 typedef	__uint32_t	in_addr_t;	/* base type for internet address */
129 #define	_IN_ADDR_T_DECLARED
130 #endif
131 
132 #ifndef _IN_PORT_T_DECLARED
133 typedef	__uint16_t	in_port_t;
134 #define	_IN_PORT_T_DECLARED
135 #endif
136 
137 #ifndef _ID_T_DECLARED
138 typedef	__id_t		id_t;		/* can hold a uid_t or pid_t */
139 #define	_ID_T_DECLARED
140 #endif
141 
142 #ifndef _INO_T_DECLARED
143 typedef	__ino_t		ino_t;		/* inode number */
144 #define	_INO_T_DECLARED
145 #endif
146 
147 #ifndef _KEY_T_DECLARED
148 typedef	__key_t		key_t;		/* IPC key (for Sys V IPC) */
149 #define	_KEY_T_DECLARED
150 #endif
151 
152 #ifndef _LWPID_T_DECLARED
153 typedef	__lwpid_t	lwpid_t;	/* Thread ID (a.k.a. LWP) */
154 #define	_LWPID_T_DECLARED
155 #endif
156 
157 #ifndef _MODE_T_DECLARED
158 typedef	__mode_t	mode_t;		/* permissions */
159 #define	_MODE_T_DECLARED
160 #endif
161 
162 #ifndef _ACCMODE_T_DECLARED
163 typedef	__accmode_t	accmode_t;	/* access permissions */
164 #define	_ACCMODE_T_DECLARED
165 #endif
166 
167 #ifndef _NLINK_T_DECLARED
168 typedef	__nlink_t	nlink_t;	/* link count */
169 #define	_NLINK_T_DECLARED
170 #endif
171 
172 #ifndef _OFF_T_DECLARED
173 typedef	__off_t		off_t;		/* file offset */
174 #define	_OFF_T_DECLARED
175 #endif
176 
177 #ifndef _PID_T_DECLARED
178 typedef	__pid_t		pid_t;		/* process id */
179 #define	_PID_T_DECLARED
180 #endif
181 
182 typedef	__register_t	register_t;
183 
184 #ifndef _RLIM_T_DECLARED
185 typedef	__rlim_t	rlim_t;		/* resource limit */
186 #define	_RLIM_T_DECLARED
187 #endif
188 
189 typedef	__int64_t	sbintime_t;
190 
191 typedef	__segsz_t	segsz_t;	/* segment size (in pages) */
192 
193 #ifndef _SIZE_T_DECLARED
194 typedef	__size_t	size_t;
195 #define	_SIZE_T_DECLARED
196 #endif
197 
198 #ifndef _SSIZE_T_DECLARED
199 typedef	__ssize_t	ssize_t;
200 #define	_SSIZE_T_DECLARED
201 #endif
202 
203 #ifndef _SUSECONDS_T_DECLARED
204 typedef	__suseconds_t	suseconds_t;	/* microseconds (signed) */
205 #define	_SUSECONDS_T_DECLARED
206 #endif
207 
208 #ifndef _TIME_T_DECLARED
209 typedef	__time_t	time_t;
210 #define	_TIME_T_DECLARED
211 #endif
212 
213 #ifndef _TIMER_T_DECLARED
214 typedef	__timer_t	timer_t;
215 #define	_TIMER_T_DECLARED
216 #endif
217 
218 #ifndef _MQD_T_DECLARED
219 typedef	__mqd_t	mqd_t;
220 #define	_MQD_T_DECLARED
221 #endif
222 
223 typedef	__u_register_t	u_register_t;
224 
225 #ifndef _UID_T_DECLARED
226 typedef	__uid_t		uid_t;		/* user id */
227 #define	_UID_T_DECLARED
228 #endif
229 
230 #ifndef _USECONDS_T_DECLARED
231 typedef	__useconds_t	useconds_t;	/* microseconds (unsigned) */
232 #define	_USECONDS_T_DECLARED
233 #endif
234 
235 #ifndef _CAP_IOCTL_T_DECLARED
236 #define	_CAP_IOCTL_T_DECLARED
237 typedef	unsigned long	cap_ioctl_t;
238 #endif
239 
240 #ifndef _CAP_RIGHTS_T_DECLARED
241 #define	_CAP_RIGHTS_T_DECLARED
242 struct cap_rights;
243 
244 typedef	struct cap_rights	cap_rights_t;
245 #endif
246 
247 typedef	__vm_offset_t	vm_offset_t;
248 typedef	__vm_ooffset_t	vm_ooffset_t;
249 typedef	__vm_paddr_t	vm_paddr_t;
250 typedef	__vm_pindex_t	vm_pindex_t;
251 typedef	__vm_size_t	vm_size_t;
252 
253 typedef __rman_res_t    rman_res_t;
254 
255 #ifdef _KERNEL
256 typedef	int		boolean_t;
257 typedef	struct device	*device_t;
258 typedef	__intfptr_t	intfptr_t;
259 
260 /*
261  * XXX this is fixed width for historical reasons.  It should have had type
262  * __int_fast32_t.  Fixed-width types should not be used unless binary
263  * compatibility is essential.  Least-width types should be used even less
264  * since they provide smaller benefits.
265  *
266  * XXX should be MD.
267  *
268  * XXX this is bogus in -current, but still used for spl*().
269  */
270 typedef	__uint32_t	intrmask_t;	/* Interrupt mask (spl, xxx_imask...) */
271 
272 typedef	__uintfptr_t	uintfptr_t;
273 typedef	__uint64_t	uoff_t;
274 typedef	char		vm_memattr_t;	/* memory attribute codes */
275 typedef	struct vm_page	*vm_page_t;
276 
277 #if !defined(__bool_true_false_are_defined) && !defined(__cplusplus)
278 #define	__bool_true_false_are_defined	1
279 #define	false	0
280 #define	true	1
281 #if __STDC_VERSION__ < 199901L && __GNUC__ < 3 && !defined(__INTEL_COMPILER)
282 typedef	int	_Bool;
283 #endif
284 typedef	_Bool	bool;
285 #endif /* !__bool_true_false_are_defined && !__cplusplus */
286 
287 #define offsetof(type, field) __offsetof(type, field)
288 
289 #endif /* !_KERNEL */
290 
291 /*
292  * The following are all things that really shouldn't exist in this header,
293  * since its purpose is to provide typedefs, not miscellaneous doodads.
294  */
295 
296 #ifdef __POPCNT__
297 #define	__bitcount64(x)	__builtin_popcountll((__uint64_t)(x))
298 #define	__bitcount32(x)	__builtin_popcount((__uint32_t)(x))
299 #define	__bitcount16(x)	__builtin_popcount((__uint16_t)(x))
300 #define	__bitcountl(x)	__builtin_popcountl((unsigned long)(x))
301 #define	__bitcount(x)	__builtin_popcount((unsigned int)(x))
302 #else
303 /*
304  * Population count algorithm using SWAR approach
305  * - "SIMD Within A Register".
306  */
307 static __inline __uint16_t
308 __bitcount16(__uint16_t _x)
309 {
310 
311 	_x = (_x & 0x5555) + ((_x & 0xaaaa) >> 1);
312 	_x = (_x & 0x3333) + ((_x & 0xcccc) >> 2);
313 	_x = (_x + (_x >> 4)) & 0x0f0f;
314 	_x = (_x + (_x >> 8)) & 0x00ff;
315 	return (_x);
316 }
317 
318 static __inline __uint32_t
319 __bitcount32(__uint32_t _x)
320 {
321 
322 	_x = (_x & 0x55555555) + ((_x & 0xaaaaaaaa) >> 1);
323 	_x = (_x & 0x33333333) + ((_x & 0xcccccccc) >> 2);
324 	_x = (_x + (_x >> 4)) & 0x0f0f0f0f;
325 	_x = (_x + (_x >> 8));
326 	_x = (_x + (_x >> 16)) & 0x000000ff;
327 	return (_x);
328 }
329 
330 #ifdef __LP64__
331 static __inline __uint64_t
332 __bitcount64(__uint64_t _x)
333 {
334 
335 	_x = (_x & 0x5555555555555555) + ((_x & 0xaaaaaaaaaaaaaaaa) >> 1);
336 	_x = (_x & 0x3333333333333333) + ((_x & 0xcccccccccccccccc) >> 2);
337 	_x = (_x + (_x >> 4)) & 0x0f0f0f0f0f0f0f0f;
338 	_x = (_x + (_x >> 8));
339 	_x = (_x + (_x >> 16));
340 	_x = (_x + (_x >> 32)) & 0x000000ff;
341 	return (_x);
342 }
343 
344 #define	__bitcountl(x)	__bitcount64((unsigned long)(x))
345 #else
346 static __inline __uint64_t
347 __bitcount64(__uint64_t _x)
348 {
349 
350 	return (__bitcount32(_x >> 32) + __bitcount32(_x));
351 }
352 
353 #define	__bitcountl(x)	__bitcount32((unsigned long)(x))
354 #endif
355 #define	__bitcount(x)	__bitcount32((unsigned int)(x))
356 #endif
357 
358 #if __BSD_VISIBLE
359 
360 #include <sys/select.h>
361 
362 /*
363  * minor() gives a cookie instead of an index since we don't want to
364  * change the meanings of bits 0-15 or waste time and space shifting
365  * bits 16-31 for devices that don't use them.
366  */
367 #define	major(x)	((int)(((u_int)(x) >> 8)&0xff))	/* major number */
368 #define	minor(x)	((int)((x)&0xffff00ff))		/* minor number */
369 #define	makedev(x,y)	((dev_t)(((x) << 8) | (y)))	/* create dev_t */
370 
371 /*
372  * These declarations belong elsewhere, but are repeated here and in
373  * <stdio.h> to give broken programs a better chance of working with
374  * 64-bit off_t's.
375  */
376 #ifndef _KERNEL
377 __BEGIN_DECLS
378 #ifndef _FTRUNCATE_DECLARED
379 #define	_FTRUNCATE_DECLARED
380 int	 ftruncate(int, off_t);
381 #endif
382 #ifndef _LSEEK_DECLARED
383 #define	_LSEEK_DECLARED
384 off_t	 lseek(int, off_t, int);
385 #endif
386 #ifndef _MMAP_DECLARED
387 #define	_MMAP_DECLARED
388 void *	 mmap(void *, size_t, int, int, int, off_t);
389 #endif
390 #ifndef _TRUNCATE_DECLARED
391 #define	_TRUNCATE_DECLARED
392 int	 truncate(const char *, off_t);
393 #endif
394 __END_DECLS
395 #endif /* !_KERNEL */
396 
397 #endif /* __BSD_VISIBLE */
398 
399 #endif /* !_SYS_TYPES_H_ */
400