1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1982, 1986, 1991, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * (c) UNIX System Laboratories, Inc. 7 * All or some portions of this file are derived from material licensed 8 * to the University of California by American Telephone and Telegraph 9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 10 * the permission of UNIX System Laboratories, Inc. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)types.h 8.6 (Berkeley) 2/19/95 37 * $FreeBSD$ 38 */ 39 40 #ifndef _SYS_TYPES_H_ 41 #define _SYS_TYPES_H_ 42 43 #include <sys/cdefs.h> 44 45 /* Machine type dependent parameters. */ 46 #include <machine/endian.h> 47 #include <sys/_types.h> 48 49 #include <sys/_pthreadtypes.h> 50 51 #if __BSD_VISIBLE 52 typedef unsigned char u_char; 53 typedef unsigned short u_short; 54 typedef unsigned int u_int; 55 typedef unsigned long u_long; 56 #ifndef _KERNEL 57 typedef unsigned short ushort; /* Sys V compatibility */ 58 typedef unsigned int uint; /* Sys V compatibility */ 59 #endif 60 #endif 61 62 /* 63 * XXX POSIX sized integrals that should appear only in <sys/stdint.h>. 64 */ 65 #include <sys/_stdint.h> 66 67 typedef __uint8_t u_int8_t; /* unsigned integrals (deprecated) */ 68 typedef __uint16_t u_int16_t; 69 typedef __uint32_t u_int32_t; 70 typedef __uint64_t u_int64_t; 71 72 typedef __uint64_t u_quad_t; /* quads (deprecated) */ 73 typedef __int64_t quad_t; 74 typedef quad_t * qaddr_t; 75 76 typedef char * caddr_t; /* core address */ 77 typedef const char * c_caddr_t; /* core address, pointer to const */ 78 79 #ifndef _BLKSIZE_T_DECLARED 80 typedef __blksize_t blksize_t; 81 #define _BLKSIZE_T_DECLARED 82 #endif 83 84 typedef __cpuwhich_t cpuwhich_t; 85 typedef __cpulevel_t cpulevel_t; 86 typedef __cpusetid_t cpusetid_t; 87 88 #ifndef _BLKCNT_T_DECLARED 89 typedef __blkcnt_t blkcnt_t; 90 #define _BLKCNT_T_DECLARED 91 #endif 92 93 #ifndef _CLOCK_T_DECLARED 94 typedef __clock_t clock_t; 95 #define _CLOCK_T_DECLARED 96 #endif 97 98 #ifndef _CLOCKID_T_DECLARED 99 typedef __clockid_t clockid_t; 100 #define _CLOCKID_T_DECLARED 101 #endif 102 103 typedef __critical_t critical_t; /* Critical section value */ 104 typedef __daddr_t daddr_t; /* disk address */ 105 106 #ifndef _DEV_T_DECLARED 107 typedef __dev_t dev_t; /* device number or struct cdev */ 108 #define _DEV_T_DECLARED 109 #endif 110 111 #ifndef _FFLAGS_T_DECLARED 112 typedef __fflags_t fflags_t; /* file flags */ 113 #define _FFLAGS_T_DECLARED 114 #endif 115 116 typedef __fixpt_t fixpt_t; /* fixed point number */ 117 118 #ifndef _FSBLKCNT_T_DECLARED /* for statvfs() */ 119 typedef __fsblkcnt_t fsblkcnt_t; 120 typedef __fsfilcnt_t fsfilcnt_t; 121 #define _FSBLKCNT_T_DECLARED 122 #endif 123 124 #ifndef _GID_T_DECLARED 125 typedef __gid_t gid_t; /* group id */ 126 #define _GID_T_DECLARED 127 #endif 128 129 #ifndef _IN_ADDR_T_DECLARED 130 typedef __uint32_t in_addr_t; /* base type for internet address */ 131 #define _IN_ADDR_T_DECLARED 132 #endif 133 134 #ifndef _IN_PORT_T_DECLARED 135 typedef __uint16_t in_port_t; 136 #define _IN_PORT_T_DECLARED 137 #endif 138 139 #ifndef _ID_T_DECLARED 140 typedef __id_t id_t; /* can hold a uid_t or pid_t */ 141 #define _ID_T_DECLARED 142 #endif 143 144 #ifndef _INO_T_DECLARED 145 typedef __ino_t ino_t; /* inode number */ 146 #define _INO_T_DECLARED 147 #endif 148 149 #ifndef _KEY_T_DECLARED 150 typedef __key_t key_t; /* IPC key (for Sys V IPC) */ 151 #define _KEY_T_DECLARED 152 #endif 153 154 #ifndef _LWPID_T_DECLARED 155 typedef __lwpid_t lwpid_t; /* Thread ID (a.k.a. LWP) */ 156 #define _LWPID_T_DECLARED 157 #endif 158 159 #ifndef _MODE_T_DECLARED 160 typedef __mode_t mode_t; /* permissions */ 161 #define _MODE_T_DECLARED 162 #endif 163 164 #ifndef _ACCMODE_T_DECLARED 165 typedef __accmode_t accmode_t; /* access permissions */ 166 #define _ACCMODE_T_DECLARED 167 #endif 168 169 #ifndef _NLINK_T_DECLARED 170 typedef __nlink_t nlink_t; /* link count */ 171 #define _NLINK_T_DECLARED 172 #endif 173 174 #ifndef _OFF_T_DECLARED 175 typedef __off_t off_t; /* file offset */ 176 #define _OFF_T_DECLARED 177 #endif 178 179 #ifndef _OFF64_T_DECLARED 180 typedef __off64_t off64_t; /* file offset (alias) */ 181 #define _OFF64_T_DECLARED 182 #endif 183 184 #ifndef _PID_T_DECLARED 185 typedef __pid_t pid_t; /* process id */ 186 #define _PID_T_DECLARED 187 #endif 188 189 typedef __register_t register_t; 190 191 #ifndef _RLIM_T_DECLARED 192 typedef __rlim_t rlim_t; /* resource limit */ 193 #define _RLIM_T_DECLARED 194 #endif 195 196 typedef __sbintime_t sbintime_t; 197 198 typedef __segsz_t segsz_t; /* segment size (in pages) */ 199 200 #ifndef _SIZE_T_DECLARED 201 typedef __size_t size_t; 202 #define _SIZE_T_DECLARED 203 #endif 204 205 #ifndef _SSIZE_T_DECLARED 206 typedef __ssize_t ssize_t; 207 #define _SSIZE_T_DECLARED 208 #endif 209 210 #ifndef _SUSECONDS_T_DECLARED 211 typedef __suseconds_t suseconds_t; /* microseconds (signed) */ 212 #define _SUSECONDS_T_DECLARED 213 #endif 214 215 #ifndef _TIME_T_DECLARED 216 typedef __time_t time_t; 217 #define _TIME_T_DECLARED 218 #endif 219 220 #ifndef _TIMER_T_DECLARED 221 typedef __timer_t timer_t; 222 #define _TIMER_T_DECLARED 223 #endif 224 225 #ifndef _MQD_T_DECLARED 226 typedef __mqd_t mqd_t; 227 #define _MQD_T_DECLARED 228 #endif 229 230 typedef __u_register_t u_register_t; 231 232 #ifndef _UID_T_DECLARED 233 typedef __uid_t uid_t; /* user id */ 234 #define _UID_T_DECLARED 235 #endif 236 237 #ifndef _USECONDS_T_DECLARED 238 typedef __useconds_t useconds_t; /* microseconds (unsigned) */ 239 #define _USECONDS_T_DECLARED 240 #endif 241 242 #ifndef _CAP_IOCTL_T_DECLARED 243 #define _CAP_IOCTL_T_DECLARED 244 typedef unsigned long cap_ioctl_t; 245 #endif 246 247 #ifndef _CAP_RIGHTS_T_DECLARED 248 #define _CAP_RIGHTS_T_DECLARED 249 struct cap_rights; 250 251 typedef struct cap_rights cap_rights_t; 252 #endif 253 254 /* 255 * Types suitable for exporting physical addresses, virtual addresses 256 * (pointers), and memory object sizes from the kernel independent of native 257 * word size. These should be used in place of vm_paddr_t, (u)intptr_t, and 258 * size_t in structs which contain such types that are shared with userspace. 259 */ 260 typedef __uint64_t kpaddr_t; 261 typedef __uint64_t kvaddr_t; 262 typedef __uint64_t ksize_t; 263 typedef __int64_t kssize_t; 264 265 typedef __vm_offset_t vm_offset_t; 266 typedef __uint64_t vm_ooffset_t; 267 typedef __vm_paddr_t vm_paddr_t; 268 typedef __uint64_t vm_pindex_t; 269 typedef __vm_size_t vm_size_t; 270 271 typedef __rman_res_t rman_res_t; 272 273 typedef __register_t syscallarg_t; 274 275 #ifdef _KERNEL 276 typedef int boolean_t; 277 typedef struct _device *device_t; 278 typedef __intfptr_t intfptr_t; 279 280 /* 281 * XXX this is fixed width for historical reasons. It should have had type 282 * __int_fast32_t. Fixed-width types should not be used unless binary 283 * compatibility is essential. Least-width types should be used even less 284 * since they provide smaller benefits. 285 * 286 * XXX should be MD. 287 * 288 * XXX this is bogus in -current, but still used for spl*(). 289 */ 290 typedef __uint32_t intrmask_t; /* Interrupt mask (spl, xxx_imask...) */ 291 292 typedef __uintfptr_t uintfptr_t; 293 typedef __uint64_t uoff_t; 294 typedef char vm_memattr_t; /* memory attribute codes */ 295 typedef struct vm_page *vm_page_t; 296 297 #define offsetof(type, field) __offsetof(type, field) 298 #endif /* _KERNEL */ 299 300 #if defined(_KERNEL) || defined(_STANDALONE) 301 #if !defined(__bool_true_false_are_defined) && !defined(__cplusplus) 302 #define __bool_true_false_are_defined 1 303 #define false 0 304 #define true 1 305 typedef _Bool bool; 306 #endif /* !__bool_true_false_are_defined && !__cplusplus */ 307 #endif /* KERNEL || _STANDALONE */ 308 309 /* 310 * The following are all things that really shouldn't exist in this header, 311 * since its purpose is to provide typedefs, not miscellaneous doodads. 312 */ 313 314 #ifdef __POPCNT__ 315 #define __bitcount64(x) __builtin_popcountll((__uint64_t)(x)) 316 #define __bitcount32(x) __builtin_popcount((__uint32_t)(x)) 317 #define __bitcount16(x) __builtin_popcount((__uint16_t)(x)) 318 #define __bitcountl(x) __builtin_popcountl((unsigned long)(x)) 319 #define __bitcount(x) __builtin_popcount((unsigned int)(x)) 320 #else 321 /* 322 * Population count algorithm using SWAR approach 323 * - "SIMD Within A Register". 324 */ 325 static __inline __uint16_t 326 __bitcount16(__uint16_t _x) 327 { 328 329 _x = (_x & 0x5555) + ((_x & 0xaaaa) >> 1); 330 _x = (_x & 0x3333) + ((_x & 0xcccc) >> 2); 331 _x = (_x + (_x >> 4)) & 0x0f0f; 332 _x = (_x + (_x >> 8)) & 0x00ff; 333 return (_x); 334 } 335 336 static __inline __uint32_t 337 __bitcount32(__uint32_t _x) 338 { 339 340 _x = (_x & 0x55555555) + ((_x & 0xaaaaaaaa) >> 1); 341 _x = (_x & 0x33333333) + ((_x & 0xcccccccc) >> 2); 342 _x = (_x + (_x >> 4)) & 0x0f0f0f0f; 343 _x = (_x + (_x >> 8)); 344 _x = (_x + (_x >> 16)) & 0x000000ff; 345 return (_x); 346 } 347 348 #ifdef __LP64__ 349 static __inline __uint64_t 350 __bitcount64(__uint64_t _x) 351 { 352 353 _x = (_x & 0x5555555555555555) + ((_x & 0xaaaaaaaaaaaaaaaa) >> 1); 354 _x = (_x & 0x3333333333333333) + ((_x & 0xcccccccccccccccc) >> 2); 355 _x = (_x + (_x >> 4)) & 0x0f0f0f0f0f0f0f0f; 356 _x = (_x + (_x >> 8)); 357 _x = (_x + (_x >> 16)); 358 _x = (_x + (_x >> 32)) & 0x000000ff; 359 return (_x); 360 } 361 362 #define __bitcountl(x) __bitcount64((unsigned long)(x)) 363 #else 364 static __inline __uint64_t 365 __bitcount64(__uint64_t _x) 366 { 367 368 return (__bitcount32(_x >> 32) + __bitcount32(_x)); 369 } 370 371 #define __bitcountl(x) __bitcount32((unsigned long)(x)) 372 #endif 373 #define __bitcount(x) __bitcount32((unsigned int)(x)) 374 #endif 375 376 #if __BSD_VISIBLE 377 378 #include <sys/select.h> 379 380 /* 381 * The major and minor numbers are encoded in dev_t as MMMmmmMm (where 382 * letters correspond to bytes). The encoding of the lower 4 bytes is 383 * constrained by compatibility with 16-bit and 32-bit dev_t's. The 384 * encoding of of the upper 4 bytes is the least unnatural one consistent 385 * with this and other constraints. Also, the decoding of the m bytes by 386 * minor() is unnatural to maximize compatibility subject to not discarding 387 * bits. The upper m byte is shifted into the position of the lower M byte 388 * instead of shifting 3 upper m bytes to close the gap. Compatibility for 389 * minor() is achieved iff the upper m byte is 0. 390 */ 391 #define major(d) __major(d) 392 static __inline int 393 __major(dev_t _d) 394 { 395 return (((_d >> 32) & 0xffffff00) | ((_d >> 8) & 0xff)); 396 } 397 #define minor(d) __minor(d) 398 static __inline int 399 __minor(dev_t _d) 400 { 401 return (((_d >> 24) & 0xff00) | (_d & 0xffff00ff)); 402 } 403 #define makedev(M, m) __makedev((M), (m)) 404 static __inline dev_t 405 __makedev(int _Major, int _Minor) 406 { 407 return (((dev_t)(_Major & 0xffffff00) << 32) | ((_Major & 0xff) << 8) | 408 ((dev_t)(_Minor & 0xff00) << 24) | (_Minor & 0xffff00ff)); 409 } 410 411 /* 412 * These declarations belong elsewhere, but are repeated here and in 413 * <stdio.h> to give broken programs a better chance of working with 414 * 64-bit off_t's. 415 */ 416 #ifndef _KERNEL 417 __BEGIN_DECLS 418 #ifndef _FTRUNCATE_DECLARED 419 #define _FTRUNCATE_DECLARED 420 int ftruncate(int, off_t); 421 #endif 422 #ifndef _LSEEK_DECLARED 423 #define _LSEEK_DECLARED 424 off_t lseek(int, off_t, int); 425 #endif 426 #ifndef _MMAP_DECLARED 427 #define _MMAP_DECLARED 428 void * mmap(void *, size_t, int, int, int, off_t); 429 #endif 430 #ifndef _TRUNCATE_DECLARED 431 #define _TRUNCATE_DECLARED 432 int truncate(const char *, off_t); 433 #endif 434 __END_DECLS 435 #endif /* !_KERNEL */ 436 437 #endif /* __BSD_VISIBLE */ 438 439 #endif /* !_SYS_TYPES_H_ */ 440