servers/vm/proto.h

   1 /* Function prototypes. */
   2
   3 struct vmproc;
   4 struct stat;
   5 struct memory;
   6 struct vir_region;
   7 struct phys_region;
   8
   9 #include <minix/ipc.h>
  10 #include <minix/endpoint.h>
  11 #include <minix/safecopies.h>
  12 #include <minix/vm.h>
  13 #include <timers.h>
  14 #include <stdio.h>
  15 #include <pagetable.h>
  16
  17 #include "vm.h"
  18 #include "yielded.h"
  19
  20 /* alloc.c */
  21 void mem_sanitycheck(char *file, int line);
  22 phys_clicks alloc_mem(phys_clicks clicks, u32_t flags);
  23 struct memlist *alloc_mem_in_list(phys_bytes bytes, u32_t flags, phys_bytes known);
  24 void memstats(int *nodes, int *pages, int *largest);
  25 void printmemstats(void);
  26 void usedpages_reset(void);
  27 int usedpages_add_f(phys_bytes phys, phys_bytes len, char *file, int
  28         line);
  29 void free_mem(phys_clicks base, phys_clicks clicks);
  30 void free_mem_list(struct memlist *list, int all);
  31 void print_mem_list(struct memlist *ml);
  32 #define usedpages_add(a, l) usedpages_add_f(a, l, __FILE__, __LINE__)
  33
  34 void mem_init(struct memory *chunks);
  35
  36 /* utility.c */
  37 void get_mem_chunks(struct memory *mem_chunks);
  38 void reserve_proc_mem(struct memory *mem_chunks, struct mem_map
  39         *map_ptr);
  40 int vm_isokendpt(endpoint_t ep, int *proc);
  41 int get_stack_ptr(int proc_nr, vir_bytes *sp);
  42 int do_info(message *);
  43 int swap_proc_slot(struct vmproc *src_vmp, struct vmproc *dst_vmp);
  44 int swap_proc_dyn_data(struct vmproc *src_vmp, struct vmproc *dst_vmp);
  45
  46 /* exit.c */
  47 void clear_proc(struct vmproc *vmp);
  48 int do_exit(message *msg);
  49 int do_willexit(message *msg);
  50 int do_procctl(message *msg);
  51 void free_proc(struct vmproc *vmp);
  52
  53 /* fork.c */
  54 int do_fork(message *msg);
  55
  56 /* break.c */
  57 int do_brk(message *msg);
  58 int real_brk(struct vmproc *vmp, vir_bytes v);
  59
  60 /* map_mem.c */
  61 int map_memory(endpoint_t sour, endpoint_t dest, vir_bytes virt_s,
  62         vir_bytes virt_d, vir_bytes length, int flag);
  63 int unmap_memory(endpoint_t sour, endpoint_t dest, vir_bytes virt_s,
  64         vir_bytes virt_d, vir_bytes length, int flag);
  65
  66 /* mmap.c */
  67 int do_mmap(message *msg);
  68 int do_munmap(message *msg);
  69 int do_map_phys(message *msg);
  70 int do_unmap_phys(message *msg);
  71 int do_remap(message *m);
  72 int do_get_phys(message *m);
  73 int do_shared_unmap(message *m);
  74 int do_get_refcount(message *m);
  75
  76 /* pagefaults.c */
  77 void do_pagefaults(message *m);
  78 void do_memory(void);
  79 char *pf_errstr(u32_t err);
  80 int handle_memory(struct vmproc *vmp, vir_bytes mem, vir_bytes len, int
  81         wrflag);
  82
  83 /* $(ARCH)/pagetable.c */
  84 void pt_init();
  85 void vm_freepages(vir_bytes vir, int pages);
  86 void pt_init_mem(void);
  87 void pt_check(struct vmproc *vmp);
  88 int pt_new(pt_t *pt);
  89 void pt_free(pt_t *pt);
  90 int pt_map_in_range(struct vmproc *src_vmp, struct vmproc *dst_vmp,
  91         vir_bytes start, vir_bytes end);
  92 int pt_ptmap(struct vmproc *src_vmp, struct vmproc *dst_vmp);
  93 int pt_ptalloc_in_range(pt_t *pt, vir_bytes start, vir_bytes end, u32_t
  94         flags, int verify);
  95 void pt_clearmapcache(void);
  96 int pt_writemap(struct vmproc * vmp, pt_t *pt, vir_bytes v, phys_bytes
  97         physaddr, size_t bytes, u32_t flags, u32_t writemapflags);
  98 int pt_checkrange(pt_t *pt, vir_bytes v, size_t bytes, int write);
  99 int pt_bind(pt_t *pt, struct vmproc *who);
 100 void *vm_allocpage(phys_bytes *p, int cat);
 101 void pt_cycle(void);
 102 int pt_mapkernel(pt_t *pt);
 103 void vm_pagelock(void *vir, int lockflag);
 104 int vm_addrok(void *vir, int write);
 105
 106 #if SANITYCHECKS
 107 void pt_sanitycheck(pt_t *pt, char *file, int line);
 108 #endif
 109
 110 /* slaballoc.c */
 111 void *slaballoc(int bytes);
 112 void slabfree(void *mem, int bytes);
 113 void slabstats(void);
 114 void slab_sanitycheck(char *file, int line);
 115 #define SLABALLOC(var) (var = slaballoc(sizeof(*var)))
 116 #define SLABFREE(ptr) do { slabfree(ptr, sizeof(*(ptr))); (ptr) = NULL; } while(0)
 117 #if SANITYCHECKS
 118
 119 void slabunlock(void *mem, int bytes);
 120 void slablock(void *mem, int bytes);
 121 int slabsane_f(char *file, int line, void *mem, int bytes);
 122 #endif
 123
 124 /* region.c */
 125 void map_region_init(void);
 126 struct vir_region * map_page_region(struct vmproc *vmp, vir_bytes min,
 127         vir_bytes max, vir_bytes length, vir_bytes what, u32_t flags, int
 128         mapflags);
 129 struct vir_region * map_proc_kernel(struct vmproc *dst);
 130 int map_region_extend(struct vmproc *vmp, struct vir_region *vr,
 131         vir_bytes delta);
 132 int map_region_extend_upto_v(struct vmproc *vmp, vir_bytes vir);
 133 int map_region_shrink(struct vir_region *vr, vir_bytes delta);
 134 int map_unmap_region(struct vmproc *vmp, struct vir_region *vr,
 135         vir_bytes offset, vir_bytes len);
 136 int map_free_proc(struct vmproc *vmp);
 137 int map_proc_copy(struct vmproc *dst, struct vmproc *src);
 138 int map_proc_copy_from(struct vmproc *dst, struct vmproc *src, struct
 139         vir_region *start_src_vr);
 140 struct vir_region *map_lookup(struct vmproc *vmp, vir_bytes addr,
 141         struct phys_region **pr);
 142 int map_pf(struct vmproc *vmp, struct vir_region *region, vir_bytes
 143         offset, int write);
 144 int map_pin_memory(struct vmproc *vmp);
 145 int map_handle_memory(struct vmproc *vmp, struct vir_region *region,
 146         vir_bytes offset, vir_bytes len, int write);
 147 void map_printmap(struct vmproc *vmp);
 148 int map_writept(struct vmproc *vmp);
 149 void printregionstats(struct vmproc *vmp);
 150 void map_setparent(struct vmproc *vmp);
 151 int yielded_block_cmp(struct block_id *, struct block_id *);
 152
 153 struct vir_region * map_region_lookup_tag(struct vmproc *vmp, u32_t
 154         tag);
 155 void map_region_set_tag(struct vir_region *vr, u32_t tag);
 156 u32_t map_region_get_tag(struct vir_region *vr);
 157 int map_remap(struct vmproc *dvmp, vir_bytes da, size_t size, struct
 158         vir_region *region, vir_bytes *r, int ro);
 159 int map_get_phys(struct vmproc *vmp, vir_bytes addr, phys_bytes *r);
 160 int map_get_ref(struct vmproc *vmp, vir_bytes addr, u8_t *cnt);
 161
 162 void get_stats_info(struct vm_stats_info *vsi);
 163 void get_usage_info(struct vmproc *vmp, struct vm_usage_info *vui);
 164 int get_region_info(struct vmproc *vmp, struct vm_region_info *vri, int
 165         count, vir_bytes *nextp);
 166 int copy_abs2region(phys_bytes abs, struct vir_region *destregion,
 167         phys_bytes offset, phys_bytes len);
 168 #if SANITYCHECKS
 169 void map_sanitycheck(char *file, int line);
 170 void blockstats(void);
 171 #endif
 172 int do_forgetblocks(message *m);
 173 int do_forgetblock(message *m);
 174 int do_yieldblockgetblock(message *m);
 175 vir_bytes free_yielded(vir_bytes bytes);
 176
 177 /* rs.c */
 178 int do_rs_set_priv(message *m);
 179 int do_rs_update(message *m);
 180 int do_rs_memctl(message *m);
 181
 182 /* queryexit.c */
 183 int do_query_exit(message *m);
 184 int do_watch_exit(message *m);
 185 int do_notify_sig(message *m);
 186 void init_query_exit(void);
 187
 188 /* pb.c */
 189 struct phys_block *pb_new(phys_bytes phys);
 190 struct phys_region *pb_reference(struct phys_block *newpb,
 191         vir_bytes offset, struct vir_region *region);
 192 void pb_unreferenced(struct vir_region *region, struct phys_region *pr, int rm);