4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved.
  23  * Copyright (c) 2015 by Delphix. All rights reserved.

  24  */
  25 
  26 /*      Copyright (c) 1988 AT&T     */
  27 /*        All Rights Reserved   */
  28 
  29 
  30 #ifndef _SYS_MACHPARAM_H
  31 #define _SYS_MACHPARAM_H
  32 
  33 #if !defined(_ASM)
  34 #include <sys/types.h>
  35 
  36 #if defined(__xpv)
  37 #include <sys/xpv_impl.h>
  38 #endif
  39 
  40 #endif
  41 
  42 #ifdef  __cplusplus
  43 extern "C" {
  44 #endif
  45 
  46 #ifndef _ASM
  47 #define ADDRESS_C(c)    c ## ul
  48 #else   /* _ASM */
  49 #define ADDRESS_C(c)    (c)
  50 #endif  /* _ASM */
  51 
  52 /*
  53  * Machine dependent parameters and limits.
  54  */
  55 
  56 #if defined(__amd64)




  57 #define NCPU    256
  58 #define NCPU_LOG2       8
  59 #elif defined(__i386)
  60 #define NCPU    32
  61 #define NCPU_LOG2       5
  62 #endif
  63 
  64 /* NCPU_P2 is NCPU rounded to a power of 2 */
  65 #define NCPU_P2 (1 << NCPU_LOG2)
  66 
  67 /*
  68  * The value defined below could grow to 16. hat structure and
  69  * page_t have room for 16 nodes.
  70  */
  71 #define MAXNODES        4
  72 #define NUMA_NODEMASK   0x0f
  73 
  74 /*
  75  * Define the FPU symbol if we could run on a machine with an external
  76  * FPU (i.e. not integrated with the normal machine state like the vax).

   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved.
  23  * Copyright (c) 2015 by Delphix. All rights reserved.
  24  * Copyright 2016 Joyent, Inc.
  25  */
  26 
  27 /*      Copyright (c) 1988 AT&T     */
  28 /*        All Rights Reserved   */
  29 
  30 
  31 #ifndef _SYS_MACHPARAM_H
  32 #define _SYS_MACHPARAM_H
  33 
  34 #if !defined(_ASM)
  35 #include <sys/types.h>
  36 
  37 #if defined(__xpv)
  38 #include <sys/xpv_impl.h>
  39 #endif
  40 
  41 #endif
  42 
  43 #ifdef  __cplusplus
  44 extern "C" {
  45 #endif
  46 
  47 #ifndef _ASM
  48 #define ADDRESS_C(c)    c ## ul
  49 #else   /* _ASM */
  50 #define ADDRESS_C(c)    (c)
  51 #endif  /* _ASM */
  52 
  53 /*
  54  * Machine dependent parameters and limits.
  55  */
  56 
  57 #if defined(__amd64)
  58 /*
  59  * If NCPU grows beyond 256, sizing for the x86 comm page will require
  60  * adjustment.
  61  */
  62 #define NCPU    256
  63 #define NCPU_LOG2       8
  64 #elif defined(__i386)
  65 #define NCPU    32
  66 #define NCPU_LOG2       5
  67 #endif
  68 
  69 /* NCPU_P2 is NCPU rounded to a power of 2 */
  70 #define NCPU_P2 (1 << NCPU_LOG2)
  71 
  72 /*
  73  * The value defined below could grow to 16. hat structure and
  74  * page_t have room for 16 nodes.
  75  */
  76 #define MAXNODES        4
  77 #define NUMA_NODEMASK   0x0f
  78 
  79 /*
  80  * Define the FPU symbol if we could run on a machine with an external
  81  * FPU (i.e. not integrated with the normal machine state like the vax).