servers/vm/proto.h

   1 /* Function prototypes. */
   2
   3 struct vmproc;
   4 struct stat;
   5 struct mem_map;
   6 struct memory;
   7
   8 #include <minix/ipc.h>
   9 #include <minix/endpoint.h>
  10 #include <minix/safecopies.h>
  11 #include <timers.h>
  12 #include <stdio.h>
  13 #include <pagetable.h>
  14 #include "vmproc.h"
  15 #include "vm.h"
  16
  17 /* alloc.c */
  18 _PROTOTYPE( phys_clicks alloc_mem_f, (phys_clicks clicks, u32_t flags)  );
  19 _PROTOTYPE( int do_adddma, (message *msg)                              );
  20 _PROTOTYPE( int do_deldma, (message *msg)                              );
  21 _PROTOTYPE( int do_getdma, (message *msg)                              );
  22 _PROTOTYPE( int do_allocmem, (message *msg)                              );
  23 _PROTOTYPE( void release_dma, (struct vmproc *vmp)                      );
  24 _PROTOTYPE( void memstats, (int *nodes, int *pages, int *largest)       );
  25 _PROTOTYPE( void printmemstats, (void)                                  );
  26 _PROTOTYPE( void usedpages_reset, (void)                                );
  27 _PROTOTYPE( int usedpages_add_f, (phys_bytes phys, phys_bytes len,
  28         char *file, int line)   );
  29 _PROTOTYPE( void free_mem_f, (phys_clicks base, phys_clicks clicks)     );
  30 #define usedpages_add(a, l) usedpages_add_f(a, l, __FILE__, __LINE__)
  31
  32 #define ALLOC_MEM(clicks, flags) alloc_mem_f(clicks, flags)
  33 #define FREE_MEM(base, clicks) free_mem_f(base, clicks)
  34
  35 _PROTOTYPE( void mem_init, (struct memory *chunks)                      );
  36
  37 /* utility.c */
  38 _PROTOTYPE( int get_mem_map, (int proc_nr, struct mem_map *mem_map)     );
  39 _PROTOTYPE( void get_mem_chunks, (struct memory *mem_chunks));
  40 _PROTOTYPE( void reserve_proc_mem, (struct memory *mem_chunks,
  41         struct mem_map *map_ptr));
  42 _PROTOTYPE( int vm_isokendpt, (endpoint_t ep, int *proc)             );
  43 _PROTOTYPE( int get_stack_ptr, (int proc_nr, vir_bytes *sp)             );
  44 _PROTOTYPE( int do_ctl, (message *)             );
  45
  46 /* exit.c */
  47 _PROTOTYPE( void clear_proc, (struct vmproc *vmp)                       );
  48 _PROTOTYPE( int do_exit, (message *msg)                                 );
  49 _PROTOTYPE( int do_willexit, (message *msg)                             );
  50 _PROTOTYPE( void free_proc, (struct vmproc *vmp)                        );
  51
  52 /* fork.c */
  53 _PROTOTYPE( int do_fork, (message *msg)                                 );
  54
  55 /* exec.c */
  56 _PROTOTYPE( struct vmproc *find_share, (struct vmproc *vmp_ign, Ino_t ino,
  57                         Dev_t dev, time_t ctime)                        );
  58 _PROTOTYPE( int do_exec_newmem, (message *msg)                          );
  59 _PROTOTYPE( int proc_new, (struct vmproc *vmp, phys_bytes start,
  60         phys_bytes text, phys_bytes data, phys_bytes stack, phys_bytes gap,
  61         phys_bytes text_here, phys_bytes data_here, vir_bytes stacktop));
  62 _PROTOTYPE( phys_bytes find_kernel_top, (void)                          );
  63
  64 /* break.c */
  65 _PROTOTYPE( int do_brk, (message *msg)                                  );
  66 _PROTOTYPE( int adjust, (struct vmproc *rmp,
  67         vir_clicks data_clicks, vir_bytes sp)           );
  68 _PROTOTYPE( int real_brk, (struct vmproc *vmp, vir_bytes v));
  69
  70 /* signal.c */
  71 _PROTOTYPE( int do_push_sig, (message *msg)                             );
  72
  73 /* vfs.c */
  74 _PROTOTYPE( int do_vfs_reply, (message *msg)                            );
  75 _PROTOTYPE( int vfs_open, (struct vmproc *for_who, callback_t callback,
  76         cp_grant_id_t filename_gid, int filename_len, int flags, int mode));
  77 _PROTOTYPE( int vfs_close, (struct vmproc *for_who, callback_t callback,
  78         int fd));
  79
  80 /* mmap.c */
  81 _PROTOTYPE(int do_mmap, (message *msg)                                  );
  82 _PROTOTYPE(int do_munmap, (message *msg)                                );
  83 _PROTOTYPE(int do_map_phys, (message *msg)                              );
  84 _PROTOTYPE(int do_unmap_phys, (message *msg)                            );
  85 _PROTOTYPE(int do_remap, (message *m)                                   );
  86 _PROTOTYPE(int do_get_phys, (message *m)                                );
  87 _PROTOTYPE(int do_shared_unmap, (message *m)                            );
  88 _PROTOTYPE(int do_get_refcount, (message *m)                            );
  89
  90 /* pagefaults.c */
  91 _PROTOTYPE( void do_pagefaults, (void)                          );
  92 _PROTOTYPE( void do_memory, (void)                              );
  93 _PROTOTYPE( char *pf_errstr, (u32_t err));
  94 _PROTOTYPE( int handle_memory, (struct vmproc *vmp, vir_bytes mem,
  95         vir_bytes len, int wrflag));
  96
  97 /* $(ARCH)/pagetable.c */
  98 _PROTOTYPE( void pt_init, (phys_bytes limit)                            );
  99 _PROTOTYPE( void pt_check, (struct vmproc *vmp)                         );
 100 _PROTOTYPE( int pt_new, (pt_t *pt)                                      );
 101 _PROTOTYPE( int pt_identity, (pt_t *pt)                                 );
 102 _PROTOTYPE( void pt_free, (pt_t *pt)                                    );
 103 _PROTOTYPE( int pt_writemap, (pt_t *pt, vir_bytes v, phys_bytes physaddr,
 104         size_t bytes, u32_t flags, u32_t writemapflags));
 105 _PROTOTYPE( int pt_checkrange, (pt_t *pt, vir_bytes v,  size_t bytes, int write));
 106 _PROTOTYPE( int pt_bind, (pt_t *pt, struct vmproc *who)                 );
 107 _PROTOTYPE( void *vm_allocpage, (phys_bytes *p, int cat));
 108 _PROTOTYPE( void pt_cycle, (void));
 109 _PROTOTYPE( int pt_mapkernel, (pt_t *pt));
 110 _PROTOTYPE( void vm_pagelock, (void *vir, int lockflag)                 );
 111
 112 #if SANITYCHECKS
 113 _PROTOTYPE( void pt_sanitycheck, (pt_t *pt, char *file, int line)       );
 114 #endif
 115
 116 /* $(ARCH)/pagefaults.c */
 117 _PROTOTYPE( int arch_get_pagefault, (endpoint_t *who, vir_bytes *addr, u32_t *err));
 118
 119 /* slaballoc.c */
 120 _PROTOTYPE(void *slaballoc,(int bytes));
 121 _PROTOTYPE(void slabfree,(void *mem, int bytes));
 122 _PROTOTYPE(void slabstats,(void));
 123 _PROTOTYPE(void slab_sanitycheck, (char *file, int line));
 124 #define SLABALLOC(var) (var = slaballoc(sizeof(*var)))
 125 #define SLABFREE(ptr) slabfree(ptr, sizeof(*(ptr)))
 126 #if SANITYCHECKS
 127
 128 _PROTOTYPE(void slabunlock,(void *mem, int bytes));
 129 _PROTOTYPE(void slablock,(void *mem, int bytes));
 130 _PROTOTYPE(int slabsane_f,(char *file, int line, void *mem, int bytes));
 131 #endif
 132
 133 /* region.c */
 134 _PROTOTYPE(struct vir_region * map_page_region,(struct vmproc *vmp, \
 135         vir_bytes min, vir_bytes max, vir_bytes length, vir_bytes what, \
 136         u32_t flags, int mapflags));
 137 _PROTOTYPE(struct vir_region * map_proc_kernel,(struct vmproc *dst));
 138 _PROTOTYPE(int map_region_extend,(struct vmproc *vmp, struct vir_region *vr, vir_bytes delta));
 139 _PROTOTYPE(int map_region_shrink,(struct vir_region *vr, vir_bytes delta));
 140 _PROTOTYPE(int map_unmap_region,(struct vmproc *vmp, struct vir_region *vr, vir_bytes len));
 141 _PROTOTYPE(int map_free_proc,(struct vmproc *vmp));
 142 _PROTOTYPE(int map_proc_copy,(struct vmproc *dst, struct vmproc *src));
 143 _PROTOTYPE(struct vir_region *map_lookup,(struct vmproc *vmp, vir_bytes addr));
 144 _PROTOTYPE(int map_pf,(struct vmproc *vmp,
 145         struct vir_region *region, vir_bytes offset, int write));
 146 _PROTOTYPE(int map_handle_memory,(struct vmproc *vmp,
 147         struct vir_region *region, vir_bytes offset, vir_bytes len, int write));
 148 _PROTOTYPE(void map_printmap, (struct vmproc *vmp));
 149 _PROTOTYPE(int map_writept, (struct vmproc *vmp));
 150 _PROTOTYPE(void printregionstats, (struct vmproc *vmp));
 151
 152 _PROTOTYPE(struct vir_region * map_region_lookup_tag, (struct vmproc *vmp, u32_t tag));
 153 _PROTOTYPE(void map_region_set_tag, (struct vir_region *vr, u32_t tag));
 154 _PROTOTYPE(u32_t map_region_get_tag, (struct vir_region *vr));
 155 _PROTOTYPE(int map_remap, (struct vmproc *dvmp, vir_bytes da, size_t size,
 156         struct vir_region *region, vir_bytes *r));
 157 _PROTOTYPE(int map_get_phys, (struct vmproc *vmp, vir_bytes addr, phys_bytes *r));
 158 _PROTOTYPE(int map_get_ref, (struct vmproc *vmp, vir_bytes addr, u8_t *cnt));
 159
 160 #if SANITYCHECKS
 161 _PROTOTYPE(void map_sanitycheck,(char *file, int line));
 162 #endif
 163
 164 /* $(ARCH)/vm.c */
 165 _PROTOTYPE( vir_bytes, arch_map2vir(struct vmproc *vmp, vir_bytes addr));
 166 _PROTOTYPE( char *, arch_map2str(struct vmproc *vmp, vir_bytes addr));
 167 _PROTOTYPE( vir_bytes, arch_vir2map(struct vmproc *vmp, vir_bytes addr));
 168 _PROTOTYPE( vir_bytes, arch_vir2map_text(struct vmproc *vmp, vir_bytes addr));
 169 _PROTOTYPE( vir_bytes, arch_addrok(struct vmproc *vmp, vir_bytes addr));
 170
 171 /* rs.c */
 172 _PROTOTYPE(int do_rs_set_priv, (message *m));
 173
 174 /* queryexit.c */
 175 _PROTOTYPE(int do_query_exit, (message *m));
 176 _PROTOTYPE(int do_notify_sig, (message *m));
 177 _PROTOTYPE(void init_query_exit, (void));