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Annotation of OSKit-Mach/include/mach/host_info.h, revision 1.1.1.1

1.1       root        1: /* 
                      2:  * Mach Operating System
                      3:  * Copyright (c) 1993,1992,1991,1990,1989,1988 Carnegie Mellon University
                      4:  * All Rights Reserved.
                      5:  * 
                      6:  * Permission to use, copy, modify and distribute this software and its
                      7:  * documentation is hereby granted, provided that both the copyright
                      8:  * notice and this permission notice appear in all copies of the
                      9:  * software, derivative works or modified versions, and any portions
                     10:  * thereof, and that both notices appear in supporting documentation.
                     11:  * 
                     12:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
                     13:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
                     14:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
                     15:  * 
                     16:  * Carnegie Mellon requests users of this software to return to
                     17:  * 
                     18:  *  Software Distribution Coordinator  or  [email protected]
                     19:  *  School of Computer Science
                     20:  *  Carnegie Mellon University
                     21:  *  Pittsburgh PA 15213-3890
                     22:  * 
                     23:  * any improvements or extensions that they make and grant Carnegie Mellon
                     24:  * the rights to redistribute these changes.
                     25:  */
                     26: /*
                     27:  *     File:   mach/host_info.h
                     28:  *
                     29:  *     Definitions for host_info call.
                     30:  */
                     31: 
                     32: #ifndef        _MACH_HOST_INFO_H_
                     33: #define        _MACH_HOST_INFO_H_
                     34: 
                     35: #include <mach/machine.h>
                     36: #include <mach/machine/vm_types.h>
                     37: 
                     38: /*
                     39:  *     Generic information structure to allow for expansion.
                     40:  */
                     41: typedef integer_t      *host_info_t;   /* varying array of integers */
                     42: 
                     43: #define        HOST_INFO_MAX   (1024)          /* max array size */
                     44: typedef integer_t      host_info_data_t[HOST_INFO_MAX];
                     45: 
                     46: #define KERNEL_VERSION_MAX (512)
                     47: typedef char   kernel_version_t[KERNEL_VERSION_MAX];
                     48: 
                     49: #define KERNEL_BOOT_INFO_MAX (4096)
                     50: typedef char   kernel_boot_info_t[KERNEL_BOOT_INFO_MAX];
                     51: 
                     52: /*
                     53:  *     Currently defined information.
                     54:  */
                     55: #define HOST_BASIC_INFO                1       /* basic info */
                     56: #define HOST_PROCESSOR_SLOTS   2       /* processor slot numbers */
                     57: #define HOST_SCHED_INFO                3       /* scheduling info */
                     58: #define        HOST_LOAD_INFO          4       /* avenrun/mach_factor info */
                     59: 
                     60: struct host_basic_info {
                     61:        integer_t       max_cpus;       /* max number of cpus possible */
                     62:        integer_t       avail_cpus;     /* number of cpus now available */
                     63:        vm_size_t       memory_size;    /* size of memory in bytes */
                     64:        cpu_type_t      cpu_type;       /* cpu type */
                     65:        cpu_subtype_t   cpu_subtype;    /* cpu subtype */
                     66: };
                     67: 
                     68: typedef        struct host_basic_info  host_basic_info_data_t;
                     69: typedef struct host_basic_info *host_basic_info_t;
                     70: #define HOST_BASIC_INFO_COUNT \
                     71:                (sizeof(host_basic_info_data_t)/sizeof(integer_t))
                     72: 
                     73: struct host_sched_info {
                     74:        integer_t       min_timeout;    /* minimum timeout in milliseconds */
                     75:        integer_t       min_quantum;    /* minimum quantum in milliseconds */
                     76: };
                     77: 
                     78: typedef        struct host_sched_info  host_sched_info_data_t;
                     79: typedef struct host_sched_info *host_sched_info_t;
                     80: #define HOST_SCHED_INFO_COUNT \
                     81:                (sizeof(host_sched_info_data_t)/sizeof(integer_t))
                     82: 
                     83: struct host_load_info {
                     84:        integer_t       avenrun[3];     /* scaled by LOAD_SCALE */
                     85:        integer_t       mach_factor[3]; /* scaled by LOAD_SCALE */
                     86: };
                     87: 
                     88: typedef struct host_load_info  host_load_info_data_t;
                     89: typedef struct host_load_info  *host_load_info_t;
                     90: #define        HOST_LOAD_INFO_COUNT \
                     91:                (sizeof(host_load_info_data_t)/sizeof(integer_t))
                     92: 
                     93: #endif /* _MACH_HOST_INFO_H_ */

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