1 /* 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)vm.h 8.3 (Berkeley) 04/12/95 8 */ 9 10 #ifndef VM_H 11 #define VM_H 12 13 typedef int vm_inherit_t; /* XXX: inheritance codes */ 14 15 union vm_map_object; 16 typedef union vm_map_object vm_map_object_t; 17 18 struct vm_map_entry; 19 typedef struct vm_map_entry *vm_map_entry_t; 20 21 struct vm_map; 22 typedef struct vm_map *vm_map_t; 23 24 struct vm_object; 25 typedef struct vm_object *vm_object_t; 26 27 struct vm_page; 28 typedef struct vm_page *vm_page_t; 29 30 struct pager_struct; 31 typedef struct pager_struct *vm_pager_t; 32 33 /* 34 * MACH VM locking primitives mappings to kernel locking primitives. 35 */ 36 typedef struct atomic_lk simple_lock_data_t; 37 typedef struct atomic_lk *simple_lock_t; 38 typedef struct lock lock_data_t; 39 typedef struct lock *lock_t; 40 #define simple_lock(l) atomic_lock(l) 41 #define simple_lock_init(l) atomic_lock_init(l) 42 #define simple_lock_try(l) atomic_lock_try(l) 43 #define simple_unlock(l) atomic_unlock(l) 44 45 #include <sys/vmmeter.h> 46 #include <sys/queue.h> 47 #include <sys/lock.h> 48 #include <vm/vm_param.h> 49 #include <vm/vm_prot.h> 50 #include <vm/vm_inherit.h> 51 #include <vm/vm_map.h> 52 #include <vm/vm_object.h> 53 #include <vm/pmap.h> 54 #include <vm/vm_extern.h> 55 56 /* 57 * Shareable process virtual address space. 58 * May eventually be merged with vm_map. 59 * Several fields are temporary (text, data stuff). 60 */ 61 struct vmspace { 62 struct vm_map vm_map; /* VM address map */ 63 struct pmap vm_pmap; /* private physical map */ 64 int vm_refcnt; /* number of references */ 65 caddr_t vm_shm; /* SYS5 shared memory private data XXX */ 66 /* we copy from vm_startcopy to the end of the structure on fork */ 67 #define vm_startcopy vm_rssize 68 segsz_t vm_rssize; /* current resident set size in pages */ 69 segsz_t vm_swrss; /* resident set size before last swap */ 70 segsz_t vm_tsize; /* text size (pages) XXX */ 71 segsz_t vm_dsize; /* data size (pages) XXX */ 72 segsz_t vm_ssize; /* stack size (pages) */ 73 caddr_t vm_taddr; /* user virtual address of text XXX */ 74 caddr_t vm_daddr; /* user virtual address of data XXX */ 75 caddr_t vm_maxsaddr; /* user VA at max stack growth */ 76 }; 77 #endif /* VM_H */ 78