servers/vm/vmproc.h

   1
   2 #ifndef _VMPROC_H
   3 #define _VMPROC_H 1
   4
   5 #include <pagetable.h>
   6 #include <minix/bitmap.h>
   7 #include <machine/archtypes.h>
   8
   9 #include "vm.h"
  10 #include "physravl.h"
  11 #include "yieldedavl.h"
  12 #include "regionavl.h"
  13
  14 struct vmproc;
  15
  16 typedef void (*callback_t)(struct vmproc *who, message *m);
  17
  18 struct vmproc {
  19         int             vm_flags;
  20         endpoint_t      vm_endpoint;
  21         pt_t            vm_pt;  /* page table data */
  22         struct boot_image *vm_boot; /* if boot time process */
  23
  24         /* Regions in virtual address space. */
  25         region_avl vm_regions_avl;
  26         vir_bytes  vm_region_top;       /* highest vaddr last inserted */
  27
  28         bitchunk_t vm_call_mask[VM_CALL_MASK_SIZE];
  29
  30         /* State for requests pending to be done to vfs on behalf of
  31          * this process.
  32          */
  33         callback_t vm_callback;   /* function to call on vfs reply */
  34         int vm_callback_type; /* expected message type */
  35
  36         int vm_slot;            /* process table slot */
  37         int vm_yielded;         /* yielded regions */
  38
  39         union {
  40                 struct {
  41                         cp_grant_id_t gid;
  42                 } open; /* VM_VFS_OPEN */
  43         } vm_state;             /* Callback state. */
  44 #if VMSTATS
  45         int vm_bytecopies;
  46 #endif
  47 };
  48
  49 /* Bits for vm_flags */
  50 #define VMF_INUSE       0x001   /* slot contains a process */
  51 #define VMF_EXITING     0x002   /* PM is cleaning up this process */
  52 #define VMF_WATCHEXIT   0x008   /* Store in queryexit table */
  53
  54 #endif