sys/cpu/x86_64/include/types.h

   1 /*-
   2  * Copyright (c) 1990, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  * Copyright (c) 2008 The DragonFly Project.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. Neither the name of the University nor the names of its contributors
  15  *    may be used to endorse or promote products derived from this software
  16  *    without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  *
  30  *      @(#)types.h     8.3 (Berkeley) 1/5/94
  31  * $FreeBSD: src/sys/i386/include/types.h,v 1.19.2.1 2001/03/21 10:50:58 peter Exp $
  32  */
  33
  34 #ifndef _CPU_TYPES_H_
  35 #define _CPU_TYPES_H_
  36
  37 #include <machine/stdint.h>
  38
  39 #if defined(__x86_64__)
  40 typedef __int64_t       __segsz_t;      /* segment size */
  41 typedef __int64_t       register_t;
  42 typedef __uint64_t      u_register_t;
  43 #elif defined(__i386__)
  44 typedef __int32_t       __segsz_t;      /* segment size */
  45 typedef __int32_t       register_t;
  46 typedef __uint32_t      u_register_t;
  47 #endif
  48
  49 typedef unsigned long   vm_offset_t;    /* address space bounded offset */
  50 typedef unsigned long   vm_size_t;      /* address space bounded size */
  51
  52 typedef __uint64_t      vm_pindex_t;    /* physical page index */
  53 typedef __int64_t       vm_ooffset_t;   /* VM object bounded offset */
  54 typedef __uint64_t      vm_poff_t;      /* physical offset */
  55 typedef __uint64_t      vm_paddr_t;     /* physical addr (same as vm_poff_t) */
  56
  57 #ifdef _KERNEL
  58 typedef __int64_t       intfptr_t;
  59 typedef __uint64_t      uintfptr_t;
  60 #endif
  61
  62 /*
  63  * MMU page tables
  64  */
  65 typedef __uint64_t      pml4_entry_t;
  66 typedef __uint64_t      pdp_entry_t;
  67 typedef __uint64_t      pd_entry_t;
  68 typedef __uint64_t      pt_entry_t;
  69 typedef __uint32_t      cpulock_t;      /* count and exclusive lock */
  70
  71 /*
  72  * cpumask_t - a mask representing a set of cpus and supporting routines.
  73  *
  74  * WARNING! It is recommended that this mask NOT be made variably-sized
  75  *          because it affects a huge number of system structures.  However,
  76  *          kernel code (non-module) can be optimized to not operate on the
  77  *          whole mask.
  78  */
  79
  80 #define CPUMASK_ELEMENTS        4       /* tested by assembly for #error */
  81
  82 typedef struct {
  83         __uint64_t      ary[4];
  84 } cpumask_t;
  85
  86 #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES)
  87
  88 #define CPUMASK_INITIALIZER_ALLONES     { .ary = { (__uint64_t)-1, \
  89                                           (__uint64_t)-1, \
  90                                           (__uint64_t)-1, \
  91                                           (__uint64_t)-1 } }
  92 #define CPUMASK_INITIALIZER_ONLYONE     { .ary = { 1, 0, 0, 0 } }
  93
  94 #define CPUMASK_SIMPLE(cpu)     ((__uint64_t)1 << (cpu))
  95
  96 #define CPUMASK_ADDR(mask, cpu)                                         \
  97                 (((cpu) < 64) ? &(mask).ary[0] :                        \
  98                 (((cpu) < 128) ? &(mask).ary[1] :                       \
  99                 (((cpu) < 192) ? &(mask).ary[2] : &(mask).ary[3])))
 100
 101 #define BSRCPUMASK(val)         ((val).ary[3] ? 192 + bsrq((val).ary[3]) : \
 102                                 ((val).ary[2] ? 128 + bsrq((val).ary[2]) : \
 103                                 ((val).ary[1] ? 64 + bsrq((val).ary[1]) : \
 104                                                 bsrq((val).ary[0]))))
 105
 106 #define BSFCPUMASK(val)         ((val).ary[0] ? bsfq((val).ary[0]) : \
 107                                 ((val).ary[1] ? 64 + bsfq((val).ary[1]) : \
 108                                 ((val).ary[2] ? 128 + bsfq((val).ary[2]) : \
 109                                                 192 + bsfq((val).ary[3]))))
 110
 111 #define CPUMASK_CMPMASKEQ(val1, val2)   ((val1).ary[0] == (val2).ary[0] && \
 112                                          (val1).ary[1] == (val2).ary[1] && \
 113                                          (val1).ary[2] == (val2).ary[2] && \
 114                                          (val1).ary[3] == (val2).ary[3])
 115
 116 #define CPUMASK_CMPMASKNEQ(val1, val2)  ((val1).ary[0] != (val2).ary[0] || \
 117                                          (val1).ary[1] != (val2).ary[1] || \
 118                                          (val1).ary[2] != (val2).ary[2] || \
 119                                          (val1).ary[3] != (val2).ary[3])
 120
 121 #define CPUMASK_ISUP(val)               ((val).ary[0] == 1 && \
 122                                          (val).ary[1] == 0 && \
 123                                          (val).ary[2] == 0 && \
 124                                          (val).ary[3] == 0)
 125
 126 #define CPUMASK_TESTZERO(val)           ((val).ary[0] == 0 && \
 127                                          (val).ary[1] == 0 && \
 128                                          (val).ary[2] == 0 && \
 129                                          (val).ary[3] == 0)
 130
 131 #define CPUMASK_TESTNZERO(val)          ((val).ary[0] != 0 || \
 132                                          (val).ary[1] != 0 || \
 133                                          (val).ary[2] != 0 || \
 134                                          (val).ary[3] != 0)
 135
 136 #define CPUMASK_TESTBIT(val, i)         ((val).ary[((i) >> 6) & 3] & \
 137                                          CPUMASK_SIMPLE((i) & 63))
 138
 139 #define CPUMASK_TESTMASK(val1, val2)    (((val1).ary[0] & (val2.ary[0])) || \
 140                                          ((val1).ary[1] & (val2.ary[1])) || \
 141                                          ((val1).ary[2] & (val2.ary[2])) || \
 142                                          ((val1).ary[3] & (val2.ary[3])))
 143
 144 #define CPUMASK_LOWMASK(val)            ((val).ary[0])
 145
 146 #define CPUMASK_ORBIT(mask, i)          ((mask).ary[((i) >> 6) & 3] |= \
 147                                          CPUMASK_SIMPLE((i) & 63))
 148
 149 #define CPUMASK_ANDBIT(mask, i)         ((mask).ary[((i) >> 6) & 3] &= \
 150                                          CPUMASK_SIMPLE((i) & 63))
 151
 152 #define CPUMASK_NANDBIT(mask, i)        ((mask).ary[((i) >> 6) & 3] &= \
 153                                          ~CPUMASK_SIMPLE((i) & 63))
 154
 155 #define CPUMASK_ASSZERO(mask)           do {                            \
 156                                         (mask).ary[0] = 0;              \
 157                                         (mask).ary[1] = 0;              \
 158                                         (mask).ary[2] = 0;              \
 159                                         (mask).ary[3] = 0;              \
 160                                         } while(0)
 161
 162 #define CPUMASK_ASSALLONES(mask)        do {                            \
 163                                         (mask).ary[0] = (__uint64_t)-1; \
 164                                         (mask).ary[1] = (__uint64_t)-1; \
 165                                         (mask).ary[2] = (__uint64_t)-1; \
 166                                         (mask).ary[3] = (__uint64_t)-1; \
 167                                         } while(0)
 168
 169 #define CPUMASK_ASSBIT(mask, i)         do {                            \
 170                                                 CPUMASK_ASSZERO(mask);  \
 171                                                 CPUMASK_ORBIT(mask, i); \
 172                                         } while(0)
 173
 174 #define CPUMASK_ASSBMASK(mask, i)       do {                            \
 175                 if (i < 64) {                                           \
 176                         (mask).ary[0] = CPUMASK_SIMPLE(i) - 1;          \
 177                         (mask).ary[1] = 0;                              \
 178                         (mask).ary[2] = 0;                              \
 179                         (mask).ary[3] = 0;                              \
 180                 } else if (i < 128) {                                   \
 181                         (mask).ary[0] = (__uint64_t)-1;                 \
 182                         (mask).ary[1] = CPUMASK_SIMPLE((i) - 64) - 1;   \
 183                         (mask).ary[2] = 0;                              \
 184                         (mask).ary[3] = 0;                              \
 185                 } else if (i < 192) {                                   \
 186                         (mask).ary[0] = (__uint64_t)-1;                 \
 187                         (mask).ary[1] = (__uint64_t)-1;                 \
 188                         (mask).ary[2] = CPUMASK_SIMPLE((i) - 128) - 1;  \
 189                         (mask).ary[3] = 0;                              \
 190                 } else {                                                \
 191                         (mask).ary[0] = (__uint64_t)-1;                 \
 192                         (mask).ary[1] = (__uint64_t)-1;                 \
 193                         (mask).ary[2] = (__uint64_t)-1;                 \
 194                         (mask).ary[3] = CPUMASK_SIMPLE((i) - 192) - 1;  \
 195                 }                                                       \
 196                                         } while(0)
 197
 198 #define CPUMASK_ASSNBMASK(mask, i)      do {                            \
 199                 if (i < 64) {                                           \
 200                         (mask).ary[0] = ~(CPUMASK_SIMPLE(i) - 1);       \
 201                         (mask).ary[1] = (__uint64_t)-1;                 \
 202                         (mask).ary[2] = (__uint64_t)-1;                 \
 203                         (mask).ary[3] = (__uint64_t)-1;                 \
 204                 } else if (i < 128) {                                   \
 205                         (mask).ary[0] = 0;                              \
 206                         (mask).ary[1] = ~(CPUMASK_SIMPLE((i) - 64) - 1);\
 207                         (mask).ary[2] = (__uint64_t)-1;                 \
 208                         (mask).ary[3] = (__uint64_t)-1;                 \
 209                 } else if (i < 192) {                                   \
 210                         (mask).ary[0] = 0;                              \
 211                         (mask).ary[1] = 0;                              \
 212                         (mask).ary[2] = ~(CPUMASK_SIMPLE((i) - 128) - 1);\
 213                         (mask).ary[3] = (__uint64_t)-1;                 \
 214                 } else {                                                \
 215                         (mask).ary[0] = 0;                              \
 216                         (mask).ary[1] = 0;                              \
 217                         (mask).ary[2] = 0;                              \
 218                         (mask).ary[3] = ~(CPUMASK_SIMPLE((i) - 192) - 1);\
 219                 }                                                       \
 220                                         } while(0)
 221
 222 #define CPUMASK_ANDMASK(mask, val)      do {                            \
 223                                         (mask).ary[0] &= (val).ary[0];  \
 224                                         (mask).ary[1] &= (val).ary[1];  \
 225                                         (mask).ary[2] &= (val).ary[2];  \
 226                                         (mask).ary[3] &= (val).ary[3];  \
 227                                         } while(0)
 228
 229 #define CPUMASK_NANDMASK(mask, val)     do {                            \
 230                                         (mask).ary[0] &= ~(val).ary[0]; \
 231                                         (mask).ary[1] &= ~(val).ary[1]; \
 232                                         (mask).ary[2] &= ~(val).ary[2]; \
 233                                         (mask).ary[3] &= ~(val).ary[3]; \
 234                                         } while(0)
 235
 236 #define CPUMASK_ORMASK(mask, val)       do {                            \
 237                                         (mask).ary[0] |= (val).ary[0];  \
 238                                         (mask).ary[1] |= (val).ary[1];  \
 239                                         (mask).ary[2] |= (val).ary[2];  \
 240                                         (mask).ary[3] |= (val).ary[3];  \
 241                                         } while(0)
 242
 243 #define CPUMASK_XORMASK(mask, val)      do {                            \
 244                                         (mask).ary[0] ^= (val).ary[0];  \
 245                                         (mask).ary[1] ^= (val).ary[1];  \
 246                                         (mask).ary[2] ^= (val).ary[2];  \
 247                                         (mask).ary[3] ^= (val).ary[3];  \
 248                                         } while(0)
 249
 250 #define ATOMIC_CPUMASK_ORBIT(mask, i)                                     \
 251                         atomic_set_cpumask(&(mask).ary[((i) >> 6) & 3],   \
 252                                            CPUMASK_SIMPLE((i) & 63))
 253
 254 #define ATOMIC_CPUMASK_NANDBIT(mask, i)                                   \
 255                         atomic_clear_cpumask(&(mask).ary[((i) >> 6) & 3], \
 256                                            CPUMASK_SIMPLE((i) & 63))
 257
 258 #define ATOMIC_CPUMASK_TESTANDSET(mask, i)                                \
 259                 atomic_testandset_long(&(mask).ary[((i) >> 6) & 3], (i))
 260
 261 #define ATOMIC_CPUMASK_TESTANDCLR(mask, i)                                \
 262                 atomic_testandclear_long(&(mask).ary[((i) >> 6) & 3], (i))
 263
 264 #define ATOMIC_CPUMASK_ORMASK(mask, val) do {                             \
 265                         atomic_set_cpumask(&(mask).ary[0], (val).ary[0]); \
 266                         atomic_set_cpumask(&(mask).ary[1], (val).ary[1]); \
 267                         atomic_set_cpumask(&(mask).ary[2], (val).ary[2]); \
 268                         atomic_set_cpumask(&(mask).ary[3], (val).ary[3]); \
 269                                          } while(0)
 270
 271 #define ATOMIC_CPUMASK_NANDMASK(mask, val) do {                             \
 272                         atomic_clear_cpumask(&(mask).ary[0], (val).ary[0]); \
 273                         atomic_clear_cpumask(&(mask).ary[1], (val).ary[1]); \
 274                         atomic_clear_cpumask(&(mask).ary[2], (val).ary[2]); \
 275                         atomic_clear_cpumask(&(mask).ary[3], (val).ary[3]); \
 276                                          } while(0)
 277
 278 #define ATOMIC_CPUMASK_COPY(mask, val) do {                                 \
 279                         atomic_store_rel_cpumask(&(mask).ary[0], (val).ary[0]);\
 280                         atomic_store_rel_cpumask(&(mask).ary[1], (val).ary[1]);\
 281                         atomic_store_rel_cpumask(&(mask).ary[2], (val).ary[2]);\
 282                         atomic_store_rel_cpumask(&(mask).ary[3], (val).ary[3]);\
 283                                          } while(0)
 284
 285 #endif
 286
 287 #define CPULOCK_EXCLBIT 0               /* exclusive lock bit number */
 288 #define CPULOCK_EXCL    0x00000001      /* exclusive lock */
 289 #define CPULOCK_INCR    0x00000002      /* auxillary counter add/sub */
 290 #define CPULOCK_CNTMASK 0x7FFFFFFE
 291
 292 #define PML4SIZE        sizeof(pml4_entry_t) /* for assembly files */
 293 #define PDPSIZE         sizeof(pdp_entry_t) /* for assembly files */
 294 #define PDESIZE         sizeof(pd_entry_t) /* for assembly files */
 295 #define PTESIZE         sizeof(pt_entry_t) /* for assembly files */
 296
 297 #endif /* !_CPU_TYPES_H_ */