FreeBSD/Linux Kernel Cross Reference
sys/mach/host_info.h

     /* 
      * Mach Operating System
      * Copyright (c) 1993,1992,1991,1990,1989,1988 Carnegie Mellon University
      * All Rights Reserved.
      * 
      * Permission to use, copy, modify and distribute this software and its
      * documentation is hereby granted, provided that both the copyright
      * notice and this permission notice appear in all copies of the
      * software, derivative works or modified versions, and any portions
     * thereof, and that both notices appear in supporting documentation.
     * 
     * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
     * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     * 
     * Carnegie Mellon requests users of this software to return to
     * 
     *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
     *  School of Computer Science
     *  Carnegie Mellon University
     *  Pittsburgh PA 15213-3890
     * 
     * any improvements or extensions that they make and grant Carnegie Mellon
     * the rights to redistribute these changes.
     */
    /*
     * HISTORY
     * $Log:        host_info.h,v $
     * Revision 2.7  93/11/17  17:38:28  dbg
     *      Finished the 64-bit cleanup: made host_sched_info be a struct of
     *      integer_t, since it is passed as a host_info_t.
     *      [93/11/09            dbg]
     * 
     * Revision 2.6  93/01/14  17:41:41  danner
     *      Cleanup.
     *      [92/06/10            pds]
     *      64bit cleanup.
     *      [92/12/01            af]
     * 
     * Revision 2.5  92/03/10  16:26:51  jsb
     *      From durriya@ri.osf.org: defined kernel_boot_info_t.
     *      [92/03/07  08:16:27  jsb]
     * 
     * Revision 2.4  91/05/14  16:51:48  mrt
     *      Correcting copyright
     * 
     * Revision 2.3  91/02/05  17:31:58  mrt
     *      Changed to new Mach copyright
     *      [91/02/01  17:17:13  mrt]
     * 
     * Revision 2.2  90/06/02  14:57:58  rpd
     *      Added HOST_LOAD_INFO and related definitions.
     *      [90/04/27            rpd]
     *      Created for new host/processor technology.
     *      [90/03/26  23:50:51  rpd]
     * 
     *      Cleanup changes.
     *      [89/08/02            dlb]
     *      Add sched_info flavor to return minimum times for use by
     *      external schedulers.
     *      [89/06/08            dlb]
     *      Added kernel_version type definitions.
     *      [88/12/02            dlb]
     * 
     * Revision 2.4  89/10/15  02:05:31  rpd
     *      Minor cleanups.
     * 
     * Revision 2.3  89/10/11  17:32:15  dlb
     *      Include mach/machine/vm_types.h instead of mach/vm_param.h
     *      [89/10/11            dlb]
     * 
     * Revision 2.2  89/10/11  14:36:55  dlb
     *      Add sched_info flavor to return minimum times for use by
     *      external schedulers.
     *      [89/06/08            dlb]
     * 
     *      Added kernel_version type definitions.
     *      [88/12/02            dlb]
     * 
     * 30-Nov-88  David Black (dlb) at Carnegie-Mellon University
     *      Created.  2 flavors so far: basic info,  slot numbers.
     *
     */
    
    /*
     *      File:   mach/host_info.h
     *
     *      Definitions for host_info call.
     */
    
    #ifndef _MACH_HOST_INFO_H_
    #define _MACH_HOST_INFO_H_
    
    #include <mach/machine.h>
    #include <mach/machine/vm_types.h>
    
    /*
     *      Generic information structure to allow for expansion.
     */
   typedef integer_t       *host_info_t;   /* varying array of integers */
   
   #define HOST_INFO_MAX   (1024)          /* max array size */
   typedef integer_t       host_info_data_t[HOST_INFO_MAX];
   
   #define KERNEL_VERSION_MAX (512)
   typedef char    kernel_version_t[KERNEL_VERSION_MAX];
   
   #define KERNEL_BOOT_INFO_MAX (4096)
   typedef char    kernel_boot_info_t[KERNEL_BOOT_INFO_MAX];
   
   /*
    *      Currently defined information.
    */
   #define HOST_BASIC_INFO         1       /* basic info */
   #define HOST_PROCESSOR_SLOTS    2       /* processor slot numbers */
   #define HOST_SCHED_INFO         3       /* scheduling info */
   #define HOST_LOAD_INFO          4       /* avenrun/mach_factor info */
   
   struct host_basic_info {
           integer_t       max_cpus;       /* max number of cpus possible */
           integer_t       avail_cpus;     /* number of cpus now available */
           vm_size_t       memory_size;    /* size of memory in bytes */
           cpu_type_t      cpu_type;       /* cpu type */
           cpu_subtype_t   cpu_subtype;    /* cpu subtype */
   };
   
   typedef struct host_basic_info  host_basic_info_data_t;
   typedef struct host_basic_info  *host_basic_info_t;
   #define HOST_BASIC_INFO_COUNT \
                   (sizeof(host_basic_info_data_t)/sizeof(integer_t))
   
   struct host_sched_info {
           integer_t       min_timeout;    /* minimum timeout in milliseconds */
           integer_t       min_quantum;    /* minimum quantum in milliseconds */
   };
   
   typedef struct host_sched_info  host_sched_info_data_t;
   typedef struct host_sched_info  *host_sched_info_t;
   #define HOST_SCHED_INFO_COUNT \
                   (sizeof(host_sched_info_data_t)/sizeof(integer_t))
   
   struct host_load_info {
           integer_t       avenrun[3];     /* scaled by LOAD_SCALE */
           integer_t       mach_factor[3]; /* scaled by LOAD_SCALE */
   };
   
   typedef struct host_load_info   host_load_info_data_t;
   typedef struct host_load_info   *host_load_info_t;
   #define HOST_LOAD_INFO_COUNT \
                   (sizeof(host_load_info_data_t)/sizeof(integer_t))
   
   #endif  /* _MACH_HOST_INFO_H_ */

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