minix/servers/vm/vmproc.h

   1
   2 #ifndef _VMPROC_H
   3 #define _VMPROC_H 1
   4
   5 #include <minix/bitmap.h>
   6 #include <machine/archtypes.h>
   7
   8 #include "pt.h"
   9 #include "vm.h"
  10 #include "regionavl.h"
  11
  12 struct vmproc;
  13
  14 struct vmproc {
  15         int             vm_flags;
  16         endpoint_t      vm_endpoint;
  17         pt_t            vm_pt;  /* page table data */
  18         struct boot_image *vm_boot; /* if boot time process */
  19
  20         /* Regions in virtual address space. */
  21         region_avl vm_regions_avl;
  22         vir_bytes  vm_region_top;       /* highest vaddr last inserted */
  23         int vm_acl;
  24         int vm_slot;            /* process table slot */
  25 #if VMSTATS
  26         int vm_bytecopies;
  27 #endif
  28         vir_bytes       vm_total;
  29         vir_bytes       vm_total_max;
  30         u64_t           vm_minor_page_fault;
  31         u64_t           vm_major_page_fault;
  32 };
  33
  34 /* Bits for vm_flags */
  35 #define VMF_INUSE       0x001   /* slot contains a process */
  36 #define VMF_EXITING     0x002   /* PM is cleaning up this process */
  37 #define VMF_WATCHEXIT   0x008   /* Store in queryexit table */
  38
  39 #endif