xref: /illumos-gate/usr/src/boot/sys/sys/types.h (revision 9890ff83)
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  * POSIX Extensions
62  */
63 typedef	unsigned char	uchar_t;
64 typedef	unsigned short	ushort_t;
65 typedef	unsigned int	uint_t;
66 typedef	unsigned long	ulong_t;
67 
68 /*
69  * XXX POSIX sized integrals that should appear only in <sys/stdint.h>.
70  */
71 #include <sys/_stdint.h>
72 
73 typedef __uint8_t	u_int8_t;	/* unsigned integrals (deprecated) */
74 typedef __uint16_t	u_int16_t;
75 typedef __uint32_t	u_int32_t;
76 typedef __uint64_t	u_int64_t;
77 
78 typedef	__uint64_t	u_quad_t;	/* quads (deprecated) */
79 typedef	__int64_t	quad_t;
80 typedef	quad_t *	qaddr_t;
81 
82 typedef	char *		caddr_t;	/* core address */
83 typedef	const char *	c_caddr_t;	/* core address, pointer to const */
84 
85 #ifndef _BLKSIZE_T_DECLARED
86 typedef	__blksize_t	blksize_t;
87 #define	_BLKSIZE_T_DECLARED
88 #endif
89 
90 typedef	__cpuwhich_t	cpuwhich_t;
91 typedef	__cpulevel_t	cpulevel_t;
92 typedef	__cpusetid_t	cpusetid_t;
93 
94 #ifndef _BLKCNT_T_DECLARED
95 typedef	__blkcnt_t	blkcnt_t;
96 #define	_BLKCNT_T_DECLARED
97 #endif
98 
99 #ifndef _CLOCK_T_DECLARED
100 typedef	__clock_t	clock_t;
101 #define	_CLOCK_T_DECLARED
102 #endif
103 
104 #ifndef _CLOCKID_T_DECLARED
105 typedef	__clockid_t	clockid_t;
106 #define	_CLOCKID_T_DECLARED
107 #endif
108 
109 typedef	__critical_t	critical_t;	/* Critical section value */
110 typedef	__int64_t	daddr_t;	/* disk address */
111 
112 #ifndef _DEV_T_DECLARED
113 typedef	__dev_t		dev_t;		/* device number or struct cdev */
114 #define	_DEV_T_DECLARED
115 #endif
116 
117 #ifndef _FFLAGS_T_DECLARED
118 typedef	__fflags_t	fflags_t;	/* file flags */
119 #define	_FFLAGS_T_DECLARED
120 #endif
121 
122 typedef	__fixpt_t	fixpt_t;	/* fixed point number */
123 
124 #ifndef _FSBLKCNT_T_DECLARED		/* for statvfs() */
125 typedef	__fsblkcnt_t	fsblkcnt_t;
126 typedef	__fsfilcnt_t	fsfilcnt_t;
127 #define	_FSBLKCNT_T_DECLARED
128 #endif
129 
130 #ifndef _GID_T_DECLARED
131 typedef	__gid_t		gid_t;		/* group id */
132 #define	_GID_T_DECLARED
133 #endif
134 
135 #ifndef _IN_ADDR_T_DECLARED
136 typedef	__uint32_t	in_addr_t;	/* base type for internet address */
137 #define	_IN_ADDR_T_DECLARED
138 #endif
139 
140 #ifndef _IN_PORT_T_DECLARED
141 typedef	__uint16_t	in_port_t;
142 #define	_IN_PORT_T_DECLARED
143 #endif
144 
145 #ifndef _ID_T_DECLARED
146 typedef	__id_t		id_t;		/* can hold a uid_t or pid_t */
147 #define	_ID_T_DECLARED
148 #endif
149 
150 #ifndef _INO_T_DECLARED
151 typedef	__ino_t		ino_t;		/* inode number */
152 #define	_INO_T_DECLARED
153 #endif
154 
155 #ifndef _KEY_T_DECLARED
156 typedef	__key_t		key_t;		/* IPC key (for Sys V IPC) */
157 #define	_KEY_T_DECLARED
158 #endif
159 
160 #ifndef _LWPID_T_DECLARED
161 typedef	__lwpid_t	lwpid_t;	/* Thread ID (a.k.a. LWP) */
162 #define	_LWPID_T_DECLARED
163 #endif
164 
165 #ifndef _MODE_T_DECLARED
166 typedef	__mode_t	mode_t;		/* permissions */
167 #define	_MODE_T_DECLARED
168 #endif
169 
170 #ifndef _ACCMODE_T_DECLARED
171 typedef	__accmode_t	accmode_t;	/* access permissions */
172 #define	_ACCMODE_T_DECLARED
173 #endif
174 
175 #ifndef _NLINK_T_DECLARED
176 typedef	__nlink_t	nlink_t;	/* link count */
177 #define	_NLINK_T_DECLARED
178 #endif
179 
180 #ifndef _OFF_T_DECLARED
181 typedef	__off_t		off_t;		/* file offset */
182 #define	_OFF_T_DECLARED
183 #endif
184 
185 #ifndef _PID_T_DECLARED
186 typedef	__pid_t		pid_t;		/* process id */
187 #define	_PID_T_DECLARED
188 #endif
189 
190 typedef	__register_t	register_t;
191 
192 #ifndef _RLIM_T_DECLARED
193 typedef	__rlim_t	rlim_t;		/* resource limit */
194 #define	_RLIM_T_DECLARED
195 #endif
196 
197 typedef	__int64_t	sbintime_t;
198 
199 typedef	__segsz_t	segsz_t;	/* segment size (in pages) */
200 
201 #ifndef _SIZE_T_DECLARED
202 typedef	__size_t	size_t;
203 #define	_SIZE_T_DECLARED
204 #endif
205 
206 #ifndef _SSIZE_T_DECLARED
207 typedef	__ssize_t	ssize_t;
208 #define	_SSIZE_T_DECLARED
209 #endif
210 
211 #ifndef _SUSECONDS_T_DECLARED
212 typedef	__suseconds_t	suseconds_t;	/* microseconds (signed) */
213 #define	_SUSECONDS_T_DECLARED
214 #endif
215 
216 #ifndef _TIME_T_DECLARED
217 typedef	__time_t	time_t;
218 #define	_TIME_T_DECLARED
219 #endif
220 
221 #ifndef _TIMER_T_DECLARED
222 typedef	__timer_t	timer_t;
223 #define	_TIMER_T_DECLARED
224 #endif
225 
226 #ifndef _MQD_T_DECLARED
227 typedef	__mqd_t	mqd_t;
228 #define	_MQD_T_DECLARED
229 #endif
230 
231 typedef	__u_register_t	u_register_t;
232 
233 #ifndef _UID_T_DECLARED
234 typedef	__uid_t		uid_t;		/* user id */
235 #define	_UID_T_DECLARED
236 #endif
237 
238 #ifndef _USECONDS_T_DECLARED
239 typedef	__useconds_t	useconds_t;	/* microseconds (unsigned) */
240 #define	_USECONDS_T_DECLARED
241 #endif
242 
243 #ifndef _CAP_IOCTL_T_DECLARED
244 #define	_CAP_IOCTL_T_DECLARED
245 typedef	unsigned long	cap_ioctl_t;
246 #endif
247 
248 #ifndef _CAP_RIGHTS_T_DECLARED
249 #define	_CAP_RIGHTS_T_DECLARED
250 struct cap_rights;
251 
252 typedef	struct cap_rights	cap_rights_t;
253 #endif
254 
255 typedef	__vm_offset_t	vm_offset_t;
256 typedef	__vm_ooffset_t	vm_ooffset_t;
257 typedef	__vm_paddr_t	vm_paddr_t;
258 typedef	__vm_pindex_t	vm_pindex_t;
259 typedef	__vm_size_t	vm_size_t;
260 
261 typedef __rman_res_t    rman_res_t;
262 
263 #ifdef _KERNEL
264 typedef	int		boolean_t;
265 typedef	struct device	*device_t;
266 typedef	__intfptr_t	intfptr_t;
267 
268 /*
269  * XXX this is fixed width for historical reasons.  It should have had type
270  * __int_fast32_t.  Fixed-width types should not be used unless binary
271  * compatibility is essential.  Least-width types should be used even less
272  * since they provide smaller benefits.
273  *
274  * XXX should be MD.
275  *
276  * XXX this is bogus in -current, but still used for spl*().
277  */
278 typedef	__uint32_t	intrmask_t;	/* Interrupt mask (spl, xxx_imask...) */
279 
280 typedef	__uintfptr_t	uintfptr_t;
281 typedef	__uint64_t	uoff_t;
282 typedef	char		vm_memattr_t;	/* memory attribute codes */
283 typedef	struct vm_page	*vm_page_t;
284 
285 #if !defined(__bool_true_false_are_defined) && !defined(__cplusplus)
286 #define	__bool_true_false_are_defined	1
287 #define	false	0
288 #define	true	1
289 #if __STDC_VERSION__ < 199901L && __GNUC__ < 3 && !defined(__INTEL_COMPILER)
290 typedef	int	_Bool;
291 #endif
292 typedef	_Bool	bool;
293 #endif /* !__bool_true_false_are_defined && !__cplusplus */
294 
295 #define offsetof(type, field) __offsetof(type, field)
296 
297 #else
298 /* for illumos compatibility */
299 typedef enum boolean { B_FALSE, B_TRUE } boolean_t;
300 
301 #endif /* !_KERNEL */
302 
303 /*
304  * The following are all things that really shouldn't exist in this header,
305  * since its purpose is to provide typedefs, not miscellaneous doodads.
306  */
307 
308 #ifdef __POPCNT__
309 #define	__bitcount64(x)	__builtin_popcountll((__uint64_t)(x))
310 #define	__bitcount32(x)	__builtin_popcount((__uint32_t)(x))
311 #define	__bitcount16(x)	__builtin_popcount((__uint16_t)(x))
312 #define	__bitcountl(x)	__builtin_popcountl((unsigned long)(x))
313 #define	__bitcount(x)	__builtin_popcount((unsigned int)(x))
314 #else
315 /*
316  * Population count algorithm using SWAR approach
317  * - "SIMD Within A Register".
318  */
319 static __inline __uint16_t
__bitcount16(__uint16_t _x)320 __bitcount16(__uint16_t _x)
321 {
322 
323 	_x = (_x & 0x5555) + ((_x & 0xaaaa) >> 1);
324 	_x = (_x & 0x3333) + ((_x & 0xcccc) >> 2);
325 	_x = (_x + (_x >> 4)) & 0x0f0f;
326 	_x = (_x + (_x >> 8)) & 0x00ff;
327 	return (_x);
328 }
329 
330 static __inline __uint32_t
__bitcount32(__uint32_t _x)331 __bitcount32(__uint32_t _x)
332 {
333 
334 	_x = (_x & 0x55555555) + ((_x & 0xaaaaaaaa) >> 1);
335 	_x = (_x & 0x33333333) + ((_x & 0xcccccccc) >> 2);
336 	_x = (_x + (_x >> 4)) & 0x0f0f0f0f;
337 	_x = (_x + (_x >> 8));
338 	_x = (_x + (_x >> 16)) & 0x000000ff;
339 	return (_x);
340 }
341 
342 #ifdef __LP64__
343 static __inline __uint64_t
__bitcount64(__uint64_t _x)344 __bitcount64(__uint64_t _x)
345 {
346 
347 	_x = (_x & 0x5555555555555555) + ((_x & 0xaaaaaaaaaaaaaaaa) >> 1);
348 	_x = (_x & 0x3333333333333333) + ((_x & 0xcccccccccccccccc) >> 2);
349 	_x = (_x + (_x >> 4)) & 0x0f0f0f0f0f0f0f0f;
350 	_x = (_x + (_x >> 8));
351 	_x = (_x + (_x >> 16));
352 	_x = (_x + (_x >> 32)) & 0x000000ff;
353 	return (_x);
354 }
355 
356 #define	__bitcountl(x)	__bitcount64((unsigned long)(x))
357 #else
358 static __inline __uint64_t
__bitcount64(__uint64_t _x)359 __bitcount64(__uint64_t _x)
360 {
361 
362 	return (__bitcount32(_x >> 32) + __bitcount32(_x));
363 }
364 
365 #define	__bitcountl(x)	__bitcount32((unsigned long)(x))
366 #endif
367 #define	__bitcount(x)	__bitcount32((unsigned int)(x))
368 #endif
369 
370 #if __BSD_VISIBLE
371 
372 #include <sys/select.h>
373 
374 /*
375  * minor() gives a cookie instead of an index since we don't want to
376  * change the meanings of bits 0-15 or waste time and space shifting
377  * bits 16-31 for devices that don't use them.
378  */
379 #define	major(x)	((int)(((u_int)(x) >> 8)&0xff))	/* major number */
380 #define	minor(x)	((int)((x)&0xffff00ff))		/* minor number */
381 #define	makedev(x,y)	((dev_t)(((x) << 8) | (y)))	/* create dev_t */
382 
383 /*
384  * These declarations belong elsewhere, but are repeated here and in
385  * <stdio.h> to give broken programs a better chance of working with
386  * 64-bit off_t's.
387  */
388 #ifndef _KERNEL
389 __BEGIN_DECLS
390 #ifndef _FTRUNCATE_DECLARED
391 #define	_FTRUNCATE_DECLARED
392 int	 ftruncate(int, off_t);
393 #endif
394 #ifndef _LSEEK_DECLARED
395 #define	_LSEEK_DECLARED
396 off_t	 lseek(int, off_t, int);
397 #endif
398 #ifndef _MMAP_DECLARED
399 #define	_MMAP_DECLARED
400 void *	 mmap(void *, size_t, int, int, int, off_t);
401 #endif
402 #ifndef _TRUNCATE_DECLARED
403 #define	_TRUNCATE_DECLARED
404 int	 truncate(const char *, off_t);
405 #endif
406 __END_DECLS
407 #endif /* !_KERNEL */
408 
409 #endif /* __BSD_VISIBLE */
410 
411 #endif /* !_SYS_TYPES_H_ */
412