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