Sprite 1984

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Text File | 1991-09-26 | 9.9 KB | 418 lines

head 1.8; branch ; access ; symbols sprited:1.8.1; locks ; strict; comment @ * @; 1.8 date 91.03.01.22.11.43; author kupfer; state Exp; branches 1.8.1.1; next 1.7; 1.7 date 90.10.19.15.41.11; author shirriff; state Exp; branches ; next 1.6; 1.6 date 89.09.08.13.16.39; author shirriff; state Exp; branches ; next 1.5; 1.5 date 89.06.23.11.30.10; author rab; state Exp; branches ; next 1.4; 1.4 date 89.06.07.13.19.04; author shirriff; state Exp; branches ; next 1.3; 1.3 date 89.03.27.22.24.03; author jhh; state Exp; branches ; next 1.2; 1.2 date 88.09.22.20.04.10; author nelson; state Exp; branches ; next 1.1; 1.1 date 88.06.21.09.37.02; author ouster; state Exp; branches ; next ; 1.8.1.1 date 91.09.25.21.41.54; author kupfer; state Exp; branches ; next ; desc @@ 1.8 log @Split out types and constants into vmTypes.h so that compiles with function prototypes will work. @ text @/* * vm.h -- * * User virtual memory structures. * * Copyright 1985 Regents of the University of California * All rights reserved. * * * $Header: /sprite/src/lib/include/RCS/vm.h,v 1.7 90/10/19 15:41:11 shirriff Exp Locker: kupfer $ SPRITE (Berkeley) */ #ifndef _VMUSER #define _VMUSER #include <sprite.h> #include <vmStat.h> #ifdef KERNEL #include <user/vmTypes.h> #include <user/proc.h> #else #include <vmTypes.h> #include <proc.h> #endif /* * System calls. */ extern ReturnStatus Vm_PageSize _ARGS_((int *pageSizePtr)); extern ReturnStatus Vm_CreateVA _ARGS_((Address address, int size)); extern ReturnStatus Vm_DestroyVA _ARGS_((Address address, int size)); extern ReturnStatus Vm_Cmd _ARGS_((int command, int arg)); extern ReturnStatus Vm_GetSegInfo _ARGS_((Proc_PCBInfo *infoPtr, Vm_SegmentID segID, int infoSize, Address segBufPtr)); #endif /* _VMUSER */ @ 1.8.1.1 log @Initial branch for Sprite server. @ text @d10 1 a10 1 * $Header: /sprite/src/lib/include/RCS/vm.h,v 1.8 91/03/01 22:11:43 kupfer Exp $ SPRITE (Berkeley) @ 1.7 log @Removed unneeded declaration. @ text @d10 1 a10 1 * $Header: /sprite/src/lib/include/RCS/vm.h,v 1.6 89/09/08 13:16:39 shirriff Exp Locker: shirriff $ SPRITE (Berkeley) d16 9 a24 2 #include "sprite.h" #include "vmStat.h" a26 148 * The different commands to give to Vm_Cmd. For more details on these * options look at the man page for vmcmd. * * VM_SET_CLOCK_PAGES Set the number of pages to check on * each iteration of the clock algorithm * VM_SET_CLOCK_INTERVAL Set how many seconds between iterations * of the clock algorithm. * VM_SET_MAX_DIRTY_PAGES Set the maximum number of dirty pages * to check before waiting for clean * memory. * VM_DO_COPY_IN Time Vm_CopyIn. * VM_DO_COPY_OUT Time Vm_CopyOut. * VM_DO_MAKE_ACCESS_IN Time Vm_MakeAccessible. * VM_DO_MAKE_ACCESS_OUT Time Vm_MakeAccessible. * VM_SET_COPY_SIZE Set the number of bytes to move when * using the previous 4 commands. * VM_GET_STATS Return vm stats. * VM_SET_PAGEOUT_PROCS Set the number of processes used * to clean memory. * VM_SET_COW Set the flags which determines whether * to use copy-on-write or not. * VM_COUNT_DIRTY_PAGES Determine how many pages in memory * are dirty. * VM_SET_FREE_WHEN_CLEAN Set the flag which determines whether * to free memory after it is cleaned. * VM_FLUSH_SEGMENT Flush a segment from memory. * VM_SET_FS_PENALTY Set the file system penalty . * VM_SET_NUM_PAGE_GROUPS Set the number of pages groups to * divide memory into when calculating * the penalty. * VM_SET_ALWAYS_REFUSE Always refuse file system requests for * memory. * VM_SET_ALWAYS_SAY_YES Always satisfy file system request for * memory if possible. * VM_RESET_FS_STATS Clear out the min and max size of * the file system cache kept in the * vm stat structure. * VM_SET_COR_READ_ONLY Set the flag which determines if pages * that are copied because of copy-on-ref * faults are marked read-only. * VM_SET_PREFETCH Turn prefetch on or off. * VM_SET_USE_FS_READ_AHEAD Say whether to use the file systems * read-ahead to help out vm paging. * VM_START_TRACING Start virtual memory tracing. * VM_END_TRACING Stop virtual memory tracing. * VM_SET_WRITEABLE_PAGEOUT Set flag which forces all writeable * pages to be written out to swap when * they are recycled whether they are * dirty or not. * VM_SET_WRITEABLE_REF_PAGEOUT Set flag which forces all writeable * pages that have been referenced to be * written out to swap when they are * recycled whether they are dirty or not. */ #define VM_SET_CLOCK_PAGES 0 #define VM_SET_CLOCK_INTERVAL 1 #define VM_SET_MAX_DIRTY_PAGES 4 #define VM_DO_COPY_IN 5 #define VM_DO_COPY_OUT 6 #define VM_DO_MAKE_ACCESS_IN 7 #define VM_DO_MAKE_ACCESS_OUT 8 #define VM_SET_COPY_SIZE 9 #define VM_GET_STATS 10 #define VM_SET_PAGEOUT_PROCS 11 #define VM_FORCE_SWAP 12 #define VM_SET_COW 13 #define VM_COUNT_DIRTY_PAGES 14 #define VM_SET_FREE_WHEN_CLEAN 15 #define VM_FLUSH_SEGMENT 16 #define VM_SET_FS_PENALTY 17 #define VM_SET_NUM_PAGE_GROUPS 18 #define VM_SET_ALWAYS_REFUSE 19 #define VM_SET_ALWAYS_SAY_YES 20 #define VM_RESET_FS_STATS 21 #define VM_SET_COR_READ_ONLY 22 #define VM_SET_PREFETCH 23 #define VM_SET_USE_FS_READ_AHEAD 24 #define VM_START_TRACING 25 #define VM_END_TRACING 26 #define VM_SET_WRITEABLE_PAGEOUT 27 #define VM_SET_WRITEABLE_REF_PAGEOUT 28 /* * The first allowable machine dependent command. */ #define VM_FIRST_MACH_CMD 50 /* * Number of segments */ #define VM_NUM_SEGMENTS 4 /* * Implementation independent definition of sement ids. */ typedef int Vm_SegmentID; /* * The type of segment. */ #define VM_SYSTEM 0 #define VM_CODE 1 #define VM_HEAP 2 #define VM_STACK 3 #define VM_SHARED 4 /* * Length of the object file name that is embedded in each segment table * entry. */ #define VM_OBJ_FILE_NAME_LENGTH 50 /* * Segment information. Add any new fields to the end of the structure. */ typedef struct Vm_SegmentInfo { int segNum; /* The number of this segment. */ int refCount; /* Number of processes using this * segment */ /* Name of object file for code * segments. */ char objFileName[VM_OBJ_FILE_NAME_LENGTH]; int type; /* CODE, STACK, HEAP, or SYSTEM */ int numPages; /* Explained in vmInt.h. */ int ptSize; /* Number of pages in the page table */ int resPages; /* Number of pages in physical memory * for this segment. */ int flags; /* Flags to give information about the * segment table entry. */ int ptUserCount; /* The number of current users of this * page table. */ int numCOWPages; /* Number of copy-on-write pages that * this segment references. */ int numCORPages; /* Number of copy-on-ref pages that * this segment references. */ Address minAddr; /* Minimum address that the segment * can ever have. */ Address maxAddr; /* Maximium address that the segment * can ever have. */ int traceTime; /* The last trace interval that this * segment was active. */ } Vm_SegmentInfo; /* d29 6 a34 5 extern ReturnStatus Vm_PageSize(); extern ReturnStatus Vm_CreateVA(); extern ReturnStatus Vm_DestroyVA(); extern ReturnStatus Vm_Cmd(); extern ReturnStatus Vm_GetSegInfo(); @ 1.6 log @Added VM_SHARED definition. @ text @d10 1 a10 1 * $Header: /sprite/src/lib/include/RCS/vm.h,v 1.5 89/06/23 11:30:10 rab Exp Locker: shirriff $ SPRITE (Berkeley) a16 1 #include "vmMach.h" @ 1.5 log @*** empty log message *** @ text @d10 1 a10 1 * $Header: /sprite/src/lib/include/RCS/vm.h,v 1.4 89/06/07 13:19:04 shirriff Exp Locker: rab $ SPRITE (Berkeley) d127 1 @ 1.4 log @Fixed typo in comments. @ text @d10 1 a10 1 * $Header: /sprite/src/lib/include/RCS/vm.h,v 1.3 89/03/27 22:24:03 jhh Exp Locker: shirriff $ SPRITE (Berkeley) d176 1 a176 1 #endif _VMUSER @ 1.3 log @moved segment info stuff out of kernel vm.h file @ text @d10 1 a10 1 * $Header: /sprite/src/lib/include/RCS/vm.h,v 1.2 88/09/22 20:04:10 nelson Exp Locker: jhh $ SPRITE (Berkeley) d21 1 a21 1 * The different commands to give to Vm_Cmd. For more details no these @ 1.2 log @Changed from enum to #defines in order to allow machine dependent vm commands. @ text @d10 1 a10 1 * $Header: vm.h,v 2.13 88/06/17 16:40:37 nelson Exp $ SPRITE (Berkeley) d18 1 d108 67 a174 3 extern ReturnStatus Vm_CreateVA(); extern ReturnStatus Vm_DestroyVA(); extern ReturnStatus Vm_PageSize(); @ 1.1 log @Initial revision @ text @d2 1 a2 1 * vmUser.h -- d4 1 a4 2 * Commands to give to the virtual memory command routine. * the virtual memory module. d6 2 a7 8 * Copyright 1985, 1988 Regents of the University of California * Permission to use, copy, modify, and distribute this * software and its documentation for any purpose and without * fee is hereby granted, provided that the above copyright * notice appear in all copies. The University of California * makes no representations about the suitability of this * software for any purpose. It is provided "as is" without * express or implied warranty. d9 1 a15 1 #ifndef _SPRITE d17 1 a17 1 #endif d19 87 a105 29 typedef enum { VM_SET_CLOCK_PAGES, VM_SET_CLOCK_INTERVAL, VM_FORCE_REF, VM_IGNORE_DIRT, VM_SET_MAX_DIRTY_PAGES, VM_DO_COPY_IN, VM_DO_COPY_OUT, VM_DO_MAKE_ACCESS_IN, VM_DO_MAKE_ACCESS_OUT, VM_SET_COPY_SIZE, VM_GET_STATS, VM_SET_PAGEOUT_PROCS, VM_FORCE_SWAP, VM_SET_COW, VM_COUNT_DIRTY_PAGES, VM_SET_FREE_WHEN_CLEAN, VM_FLUSH_SEGMENT, VM_SET_FS_PENALTY, VM_SET_NUM_PAGE_GROUPS, VM_SET_ALWAYS_REFUSE, VM_SET_ALWAYS_SAY_YES, VM_RESET_FS_STATS, VM_SET_COR_READ_ONLY, VM_SET_PREFETCH, VM_SET_USE_FS_READ_AHEAD, VM_START_TRACING, VM_END_TRACING, } Vm_Command; @