regress/sys/uvm/pdsim/pdsim.h

   1 /*      $NetBSD: pdsim.h,v 1.1 2006/09/30 08:47:39 yamt Exp $   */
   2
   3 /*-
   4  * Copyright (c)2006 YAMAMOTO Takashi,
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #include <sys/null.h>
  30 #include <sys/hash.h>
  31 #include <sys/queue.h>
  32 #include <assert.h>
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35 #include <string.h>
  36 #include <stdarg.h>
  37 #include <inttypes.h>
  38
  39 #define PAGE_SHIFT      12
  40 #define PAGE_SIZE       (1 << PAGE_SHIFT)
  41 #define PAGE_MASK       (PAGE_SIZE - 1)
  42
  43 #define PDPOL_EVCNT_DEFINE(name)        int pdpol_evcnt_##name = 0;
  44 #define PDPOL_EVCNT_INCR(ev)            pdpol_evcnt_##ev++
  45
  46 #define TRUE    1
  47 #define FALSE   0
  48 typedef int boolean_t;
  49 typedef off_t voff_t;
  50
  51 struct vm_page;
  52 struct vm_anon;
  53
  54 struct uvm_object;
  55 struct vm_anon {
  56         struct vm_page *an_page; /* XXX */
  57 };
  58
  59 struct vm_page {
  60         TAILQ_ENTRY(vm_page) pageq;
  61         struct uvm_object *uobject;
  62         off_t offset;
  63         int pqflags;
  64 #define PQ_SWAPBACKED   (PQ_ANON|PQ_AOBJ)
  65 #define PQ_FREE         0x0001
  66 #define PQ_ANON         0x0002
  67 #define PQ_AOBJ         0x0004
  68 #define PQ_PRIVATE1     0x0100
  69 #define PQ_PRIVATE2     0x0200
  70 #define PQ_PRIVATE3     0x0400
  71 #define PQ_PRIVATE4     0x0800
  72 #define PQ_PRIVATE5     0x1000
  73 #define PQ_PRIVATE6     0x2000
  74 #define PQ_PRIVATE7     0x4000
  75 #define PQ_PRIVATE8     0x8000
  76
  77         int _mdflags;
  78 #define MDPG_REFERENCED         1
  79 #define MDPG_SPECULATIVE        2
  80
  81         /* dummy members */
  82         struct vm_anon *uanon;
  83         int wire_count;
  84         int flags;
  85 #define PG_BUSY         1
  86 };
  87
  88 TAILQ_HEAD(pglist, vm_page);
  89
  90 boolean_t pmap_clear_reference(struct vm_page *);
  91 boolean_t pmap_is_referenced(struct vm_page *);
  92
  93 struct uvmexp {
  94         int npages;
  95         int pdscans;
  96         int freetarg;
  97         int free;
  98
  99         /* XXX */
 100         int filepages;
 101         int execpages;
 102         int anonpages;
 103         int pddeact;
 104         int pdreact;
 105 };
 106 extern struct uvmexp uvmexp;
 107
 108 #define UVM_LOCK_ASSERT_PAGEQ() /* nothing */
 109 #define KASSERT(x)      assert(x)
 110
 111 static void panic(const char *, ...) __unused;
 112 static void
 113 panic(const char *fmt, ...)
 114 {
 115         va_list ap;
 116
 117         va_start(ap, fmt);
 118         vfprintf(stderr, fmt, ap);
 119         va_end(ap);
 120         fprintf(stderr, "\n");
 121         abort();
 122 }
 123
 124 #define MAXID   102400
 125
 126 struct uvm_object {
 127         struct vm_page *pages[MAXID];
 128 };
 129
 130 struct uvm_pctparam {
 131         int pct_pct;
 132 };
 133 #define UVM_PCTPARAM_APPLY(pct, x) \
 134         (((x) * (pct)->pct_pct) / 100)
 135 #define uvm_pctparam_init(pct, x, f)    (pct)->pct_pct = x
 136
 137 #define UVM_OBJ_IS_VTEXT(o)     FALSE
 138 #define UVM_OBJ_IS_AOBJ(o)      FALSE
 139 #define UVM_OBJ_IS_VNODE(o)     TRUE
 140
 141 #define uvm_swapisfull()        TRUE
 142 #define uvmpd_trydropswap(p)    (panic("dropswap"), 0)
 143
 144 #define MAX(a,b)        (((a) > (b)) ? (a) : (b))
 145 #define MIN(a,b)        (((a) < (b)) ? (a) : (b))
 146
 147 #if ((__STDC_VERSION__ - 0) >= 199901L)
 148 #define WARN(...)       fprintf(stderr, __VA_ARGS__)
 149 #else /* ((__STDC_VERSION__ - 0) >= 199901L) */
 150 #define WARN(a...)      fprintf(stderr, a)
 151 #endif /* ((__STDC_VERSION__ - 0) >= 199901L) */
 152
 153 #if defined(DEBUG)
 154 #if ((__STDC_VERSION__ - 0) >= 199901L)
 155 #define DPRINTF(...)    printf(__VA_ARGS__)
 156 #else /* ((__STDC_VERSION__ - 0) >= 199901L) */
 157 #define DPRINTF(a...)   printf(a)       /* GCC */
 158 #endif /* ((__STDC_VERSION__ - 0) >= 199901L) */
 159 #define dump(s)         pdsim_dump(s)
 160 void dump(const char *);
 161 #else
 162 #if ((__STDC_VERSION__ - 0) >= 199901L)
 163 #define DPRINTF(...)    /* nothing */
 164 #else /* ((__STDC_VERSION__ - 0) >= 199901L) */
 165 #define DPRINTF(a...)   /* nothing */   /* GCC */
 166 #endif /* ((__STDC_VERSION__ - 0) >= 199901L) */
 167 #define dump(s)         /* nothing */
 168 #endif
 169
 170 #include "uvm/uvm_pdpolicy.h"