FreeBSD/Linux Kernel Cross Reference
sys/mach_debug/vm_info.h

     /* 
      * Mach Operating System
      * Copyright (c) 1991,1990 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:        vm_info.h,v $
     * Revision 2.8  93/01/14  17:49:38  danner
     *      64bit cleanup.
     *      [92/12/01            af]
     * 
     * Revision 2.7  92/01/14  16:45:56  rpd
     *      Added VPI_STATE_PAGER.
     *      Added voi_pagesize.
     *      [92/01/04            rpd]
     * 
     *      Replaced vm_info_region_t and vm_info_object_t with
     *      vm_region_info_t, vm_object_info_t, vm_page_info_t.
     *      [91/12/30            rpd]
     * 
     * Revision 2.6  91/08/28  11:15:44  jsb
     *      single_use --> use_old_pageout to match vm_object.h
     *      [91/08/05  17:41:53  dlb]
     * 
     * Revision 2.5  91/05/14  17:04:08  mrt
     *      Correcting copyright
     * 
     * Revision 2.4  91/02/05  17:38:13  mrt
     *      Changed to new Mach copyright
     *      [91/02/01  17:29:30  mrt]
     * 
     * Revision 2.3  90/10/12  18:07:41  rpd
     *      Removed the vir_copy_on_write field.
     *      [90/10/08            rpd]
     * 
     * Revision 2.2  90/06/02  15:00:49  rpd
     *      Created.
     *      [90/04/20            rpd]
     * 
     */
    /*
     *      File:   mach_debug/vm_info.h
     *      Author: Rich Draves
     *      Date:   March, 1990
     *
     *      Definitions for the VM debugging interface.
     */
    
    #ifndef _MACH_DEBUG_VM_INFO_H_
    #define _MACH_DEBUG_VM_INFO_H_
    
    #include <mach/boolean.h>
    #include <mach/machine/vm_types.h>
    #include <mach/vm_inherit.h>
    #include <mach/vm_prot.h>
    #include <mach/memory_object.h>
    
    /*
     *      Remember to update the mig type definitions
     *      in mach_debug_types.defs when adding/removing fields.
     */
    
    typedef struct vm_region_info {
            vm_offset_t vri_start;          /* start of region */
            vm_offset_t vri_end;            /* end of region */
    
    /*vm_prot_t*/natural_t vri_protection;  /* protection code */
    /*vm_prot_t*/natural_t vri_max_protection;      /* maximum protection */
    /*vm_inherit_t*/natural_t vri_inheritance;      /* inheritance */
            natural_t vri_wired_count;      /* number of times wired */
            natural_t vri_user_wired_count; /* number of times user has wired */
    
            vm_offset_t vri_object;         /* the mapped object */
            vm_offset_t vri_offset;         /* offset into object */
    /*boolean_t*/integer_t vri_needs_copy;  /* does object need to be copied? */
            natural_t vri_sharing;  /* share map references */
    } vm_region_info_t;
    
   typedef vm_region_info_t *vm_region_info_array_t;
   
   
   typedef natural_t vm_object_info_state_t;
   
   #define VOI_STATE_PAGER_CREATED         0x00000001
   #define VOI_STATE_PAGER_INITIALIZED     0x00000002
   #define VOI_STATE_PAGER_READY           0x00000004
   #define VOI_STATE_CAN_PERSIST           0x00000008
   #define VOI_STATE_INTERNAL              0x00000010
   #define VOI_STATE_TEMPORARY             0x00000020
   #define VOI_STATE_ALIVE                 0x00000040
   #define VOI_STATE_LOCK_IN_PROGRESS      0x00000080
   #define VOI_STATE_LOCK_RESTART          0x00000100
   #define VOI_STATE_USE_OLD_PAGEOUT       0x00000200
   
   typedef struct vm_object_info {
           vm_offset_t voi_object;         /* this object */
           vm_size_t voi_pagesize;         /* object's page size */
           vm_size_t voi_size;             /* object size (valid if internal) */
           natural_t voi_ref_count;        /* number of references */
           natural_t voi_resident_page_count; /* number of resident pages */
           natural_t voi_absent_count;     /* number requested but not filled */
           vm_offset_t voi_copy;           /* copy object */
           vm_offset_t voi_shadow;         /* shadow object */
           vm_offset_t voi_shadow_offset;  /* offset into shadow object */
           vm_offset_t voi_paging_offset;  /* offset into memory object */
   /*memory_object_copy_strategy_t*/integer_t voi_copy_strategy;
                                           /* how to handle data copy */
           vm_offset_t voi_last_alloc;     /* offset of last allocation */
           natural_t voi_paging_in_progress; /* paging references */
           vm_object_info_state_t voi_state; /* random state bits */
   } vm_object_info_t;
   
   typedef vm_object_info_t *vm_object_info_array_t;
   
   
   typedef natural_t vm_page_info_state_t;
   
   #define VPI_STATE_BUSY          0x00000001
   #define VPI_STATE_WANTED        0x00000002
   #define VPI_STATE_TABLED        0x00000004
   #define VPI_STATE_FICTITIOUS    0x00000008
   #define VPI_STATE_PRIVATE       0x00000010
   #define VPI_STATE_ABSENT        0x00000020
   #define VPI_STATE_ERROR         0x00000040
   #define VPI_STATE_DIRTY         0x00000080
   #define VPI_STATE_PRECIOUS      0x00000100
   #define VPI_STATE_OVERWRITING   0x00000200
   #define VPI_STATE_INACTIVE      0x00000400
   #define VPI_STATE_ACTIVE        0x00000800
   #define VPI_STATE_LAUNDRY       0x00001000
   #define VPI_STATE_FREE          0x00002000
   #define VPI_STATE_REFERENCE     0x00004000
   
   #define VPI_STATE_PAGER         0x80000000      /* pager has the page */
   
   typedef struct vm_page_info {
           vm_offset_t vpi_offset;         /* offset in object */
           vm_offset_t vpi_phys_addr;      /* physical address */
           natural_t vpi_wire_count;       /* number of times wired */
   /*vm_prot_t*/natural_t vpi_page_lock;   /* XP access restrictions */
   /*vm_prot_t*/natural_t vpi_unlock_request;      /* outstanding unlock requests */
           vm_page_info_state_t vpi_state; /* random state bits */
   } vm_page_info_t;
   
   typedef vm_page_info_t *vm_page_info_array_t;
   
   #endif  _MACH_DEBUG_VM_INFO_H_

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