lib/libsys/vm_info.c

   1
   2 #include "syslib.h"
   3
   4 #include <minix/vm.h>
   5
   6 /*===========================================================================*
   7  *                                vm_info_stats                              *
   8  *===========================================================================*/
   9 int vm_info_stats(struct vm_stats_info *vsi)
  10 {
  11     message m;
  12
  13     m.VMI_WHAT = VMIW_STATS;
  14     m.VMI_PTR = (void *) vsi;
  15
  16     return _taskcall(VM_PROC_NR, VM_INFO, &m);
  17 }
  18
  19 /*===========================================================================*
  20  *                                vm_info_usage                              *
  21  *===========================================================================*/
  22 int vm_info_usage(endpoint_t who, struct vm_usage_info *vui)
  23 {
  24     message m;
  25
  26     m.VMI_WHAT = VMIW_USAGE;
  27     m.VMI_EP = who;
  28     m.VMI_PTR = (void *) vui;
  29
  30     return _taskcall(VM_PROC_NR, VM_INFO, &m);
  31 }
  32
  33 /*===========================================================================*
  34  *                                vm_info_region                             *
  35  *===========================================================================*/
  36 int vm_info_region(endpoint_t who, struct vm_region_info *vri,
  37         int count, vir_bytes *next)
  38 {
  39     message m;
  40     int result;
  41
  42     m.VMI_WHAT = VMIW_REGION;
  43     m.VMI_EP = who;
  44     m.VMI_COUNT = count;
  45     m.VMI_PTR = (void *) vri;
  46     m.VMI_NEXT = *next;
  47
  48     if ((result = _taskcall(VM_PROC_NR, VM_INFO, &m)) != OK)
  49         return result;
  50
  51     *next = m.VMI_NEXT;
  52     return m.VMI_COUNT;
  53 }
  54