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