Annotation of src/sys/uvm/uvm_extern.h, Revision 1.76
1.76 ! thorpej 1: /* $NetBSD: uvm_extern.h,v 1.75 2002/12/11 07:10:20 thorpej Exp $ */
1.1 mrg 2:
3: /*
4: *
5: * Copyright (c) 1997 Charles D. Cranor and Washington University.
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by Charles D. Cranor and
19: * Washington University.
20: * 4. The name of the author may not be used to endorse or promote products
21: * derived from this software without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.4 mrg 33: *
34: * from: Id: uvm_extern.h,v 1.1.2.21 1998/02/07 01:16:53 chs Exp
1.1 mrg 35: */
36:
1.44 mrg 37: /*-
1.45 mrg 38: * Copyright (c) 1991, 1992, 1993
1.44 mrg 39: * The Regents of the University of California. All rights reserved.
40: *
41: * Redistribution and use in source and binary forms, with or without
42: * modification, are permitted provided that the following conditions
43: * are met:
44: * 1. Redistributions of source code must retain the above copyright
45: * notice, this list of conditions and the following disclaimer.
46: * 2. Redistributions in binary form must reproduce the above copyright
47: * notice, this list of conditions and the following disclaimer in the
48: * documentation and/or other materials provided with the distribution.
49: * 3. All advertising materials mentioning features or use of this software
50: * must display the following acknowledgement:
51: * This product includes software developed by the University of
52: * California, Berkeley and its contributors.
53: * 4. Neither the name of the University nor the names of its contributors
54: * may be used to endorse or promote products derived from this software
55: * without specific prior written permission.
56: *
57: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
58: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
59: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
60: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
61: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
62: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
63: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
64: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
65: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
66: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
67: * SUCH DAMAGE.
68: *
69: * @(#)vm_extern.h 8.5 (Berkeley) 5/3/95
70: */
71:
1.8 perry 72: #ifndef _UVM_UVM_EXTERN_H_
73: #define _UVM_UVM_EXTERN_H_
1.1 mrg 74:
75: /*
76: * uvm_extern.h: this file defines the external interface to the VM system.
77: *
78: * this should be the only file included by non-VM parts of the kernel
79: * which need access to VM services. if you want to know the interface
80: * to the MI VM layer without knowing the details, this is the file to
81: * learn.
82: *
83: * NOTE: vm system calls are prototyped in syscallargs.h
84: */
85:
86: /*
1.45 mrg 87: * typedefs, necessary for standard UVM headers.
88: */
89:
1.65 chs 90: typedef unsigned int uvm_flag_t;
1.45 mrg 91: typedef int vm_fault_t;
92:
93: typedef int vm_inherit_t; /* XXX: inheritance codes */
94: typedef off_t voff_t; /* XXX: offset within a uvm_object */
95:
96: /*
1.1 mrg 97: * defines
98: */
99:
100: /*
101: * the following defines are for uvm_map and functions which call it.
102: */
103:
104: /* protections bits */
105: #define UVM_PROT_MASK 0x07 /* protection mask */
106: #define UVM_PROT_NONE 0x00 /* protection none */
107: #define UVM_PROT_ALL 0x07 /* everything */
108: #define UVM_PROT_READ 0x01 /* read */
109: #define UVM_PROT_WRITE 0x02 /* write */
110: #define UVM_PROT_EXEC 0x04 /* exec */
111:
112: /* protection short codes */
113: #define UVM_PROT_R 0x01 /* read */
114: #define UVM_PROT_W 0x02 /* write */
115: #define UVM_PROT_RW 0x03 /* read-write */
116: #define UVM_PROT_X 0x04 /* exec */
117: #define UVM_PROT_RX 0x05 /* read-exec */
118: #define UVM_PROT_WX 0x06 /* write-exec */
119: #define UVM_PROT_RWX 0x07 /* read-write-exec */
120:
121: /* 0x08: not used */
122:
123: /* inherit codes */
124: #define UVM_INH_MASK 0x30 /* inherit mask */
125: #define UVM_INH_SHARE 0x00 /* "share" */
126: #define UVM_INH_COPY 0x10 /* "copy" */
127: #define UVM_INH_NONE 0x20 /* "none" */
128: #define UVM_INH_DONATE 0x30 /* "donate" << not used */
129:
130: /* 0x40, 0x80: not used */
131:
132: /* bits 0x700: max protection, 0x800: not used */
133:
134: /* bits 0x7000: advice, 0x8000: not used */
135: /* advice: matches MADV_* from sys/mman.h */
136: #define UVM_ADV_NORMAL 0x0 /* 'normal' */
137: #define UVM_ADV_RANDOM 0x1 /* 'random' */
138: #define UVM_ADV_SEQUENTIAL 0x2 /* 'sequential' */
139: /* 0x3: will need, 0x4: dontneed */
140: #define UVM_ADV_MASK 0x7 /* mask */
141:
142: /* mapping flags */
143: #define UVM_FLAG_FIXED 0x010000 /* find space */
144: #define UVM_FLAG_OVERLAY 0x020000 /* establish overlay */
145: #define UVM_FLAG_NOMERGE 0x040000 /* don't merge map entries */
146: #define UVM_FLAG_COPYONW 0x080000 /* set copy_on_write flag */
147: #define UVM_FLAG_AMAPPAD 0x100000 /* for bss: pad amap to reduce malloc() */
148: #define UVM_FLAG_TRYLOCK 0x200000 /* fail if we can not lock map */
1.75 thorpej 149: #define UVM_FLAG_NOWAIT 0x400000 /* not allowed to sleep */
1.1 mrg 150:
151: /* macros to extract info */
152: #define UVM_PROTECTION(X) ((X) & UVM_PROT_MASK)
153: #define UVM_INHERIT(X) (((X) & UVM_INH_MASK) >> 4)
154: #define UVM_MAXPROTECTION(X) (((X) >> 8) & UVM_PROT_MASK)
155: #define UVM_ADVICE(X) (((X) >> 12) & UVM_ADV_MASK)
156:
157: #define UVM_MAPFLAG(PROT,MAXPROT,INH,ADVICE,FLAGS) \
158: ((MAXPROT << 8)|(PROT)|(INH)|((ADVICE) << 12)|(FLAGS))
159:
1.67 chs 160: /* magic offset value: offset not known(obj) or don't care(!obj) */
1.38 kleink 161: #define UVM_UNKNOWN_OFFSET ((voff_t) -1)
1.1 mrg 162:
163: /*
164: * the following defines are for uvm_km_kmemalloc's flags
165: */
1.75 thorpej 166: #define UVM_KMF_VALLOC 0x1 /* allocate VA only */
167: #define UVM_KMF_CANFAIL 0x2 /* caller handles failure */
1.1 mrg 168: #define UVM_KMF_TRYLOCK UVM_FLAG_TRYLOCK /* try locking only */
1.75 thorpej 169: #define UVM_KMF_NOWAIT UVM_FLAG_NOWAIT /* not allowed to sleep */
1.1 mrg 170:
171: /*
1.15 thorpej 172: * the following defines the strategies for uvm_pagealloc_strat()
173: */
174: #define UVM_PGA_STRAT_NORMAL 0 /* high -> low free list walk */
175: #define UVM_PGA_STRAT_ONLY 1 /* only specified free list */
176: #define UVM_PGA_STRAT_FALLBACK 2 /* ONLY falls back on NORMAL */
177:
178: /*
1.24 chs 179: * flags for uvm_pagealloc_strat()
180: */
1.39 thorpej 181: #define UVM_PGA_USERESERVE 0x0001 /* ok to use reserve pages */
182: #define UVM_PGA_ZERO 0x0002 /* returned page must be zero'd */
1.24 chs 183:
184: /*
1.53 chs 185: * the following defines are for ubc_alloc's flags
186: */
1.67 chs 187: #define UBC_READ 0x01
188: #define UBC_WRITE 0x02
189: #define UBC_FAULTBUSY 0x04
1.53 chs 190:
191: /*
192: * flags for uvn_findpages().
193: */
1.67 chs 194: #define UFP_ALL 0x00
195: #define UFP_NOWAIT 0x01
196: #define UFP_NOALLOC 0x02
197: #define UFP_NOCACHE 0x04
198: #define UFP_NORDONLY 0x08
199: #define UFP_DIRTYONLY 0x10
200: #define UFP_BACKWARD 0x20
1.53 chs 201:
202: /*
1.33 thorpej 203: * lockflags that control the locking behavior of various functions.
204: */
205: #define UVM_LK_ENTER 0x00000001 /* map locked on entry */
206: #define UVM_LK_EXIT 0x00000002 /* leave map locked on exit */
207:
208: /*
1.1 mrg 209: * structures
210: */
211:
212: struct core;
213: struct mount;
214: struct pglist;
215: struct proc;
216: struct ucred;
217: struct uio;
218: struct uvm_object;
219: struct vm_anon;
220: struct vmspace;
1.10 thorpej 221: struct pmap;
1.1 mrg 222: struct vnode;
1.53 chs 223: struct pool;
1.34 thorpej 224: struct simplelock;
1.65 chs 225: struct vm_map_entry;
226: struct vm_map;
227: struct vm_page;
1.1 mrg 228:
1.53 chs 229: extern struct pool *uvm_aiobuf_pool;
230:
1.1 mrg 231: /*
232: * uvmexp: global data structures that are exported to parts of the kernel
233: * other than the vm system.
234: */
235:
236: struct uvmexp {
1.9 mrg 237: /* vm_page constants */
1.1 mrg 238: int pagesize; /* size of a page (PAGE_SIZE): must be power of 2 */
239: int pagemask; /* page mask */
240: int pageshift; /* page shift */
241:
1.9 mrg 242: /* vm_page counters */
1.1 mrg 243: int npages; /* number of pages we manage */
244: int free; /* number of free pages */
245: int active; /* number of active pages */
246: int inactive; /* number of pages that we free'd but may want back */
1.3 chs 247: int paging; /* number of pages in the process of being paged out */
1.1 mrg 248: int wired; /* number of wired pages */
1.57 chs 249:
1.63 chs 250: /*
1.57 chs 251: * Adding anything before this line will break binary compatibility
252: * with top(1) on NetBSD 1.5.
1.54 simonb 253: */
1.57 chs 254:
1.67 chs 255: int ncolors; /* number of page color buckets: must be p-o-2 */
256: int colormask; /* color bucket mask */
257:
1.55 simonb 258: int zeropages; /* number of zero'd pages */
1.3 chs 259: int reserve_pagedaemon; /* number of pages reserved for pagedaemon */
1.55 simonb 260: int reserve_kernel; /* number of pages reserved for kernel */
1.69 chs 261: int anonpages; /* number of pages used by anon mappings */
262: int filepages; /* number of pages used by cached file data */
263: int execpages; /* number of pages used by cached exec date */
1.1 mrg 264:
1.9 mrg 265: /* pageout params */
266: int freemin; /* min number of free pages */
267: int freetarg; /* target number of free pages */
268: int inactarg; /* target number of inactive pages */
269: int wiredmax; /* max number of wired pages */
1.57 chs 270: int anonmin; /* min threshold for anon pages */
1.69 chs 271: int execmin; /* min threshold for executable pages */
272: int filemin; /* min threshold for file pages */
1.57 chs 273: int anonminpct; /* min percent anon pages */
1.69 chs 274: int execminpct; /* min percent executable pages */
275: int fileminpct; /* min percent file pages */
276: int anonmax; /* max threshold for anon pages */
277: int execmax; /* max threshold for executable pages */
278: int filemax; /* max threshold for file pages */
279: int anonmaxpct; /* max percent anon pages */
280: int execmaxpct; /* max percent executable pages */
281: int filemaxpct; /* max percent file pages */
1.1 mrg 282:
1.9 mrg 283: /* swap */
1.1 mrg 284: int nswapdev; /* number of configured swap devices in system */
285: int swpages; /* number of PAGE_SIZE'ed swap pages */
1.3 chs 286: int swpginuse; /* number of swap pages in use */
1.23 chs 287: int swpgonly; /* number of swap pages in use, not also in RAM */
1.1 mrg 288: int nswget; /* number of times fault calls uvm_swap_get() */
289: int nanon; /* number total of anon's in system */
1.32 thorpej 290: int nanonneeded;/* number of anons currently needed */
1.1 mrg 291: int nfreeanon; /* number of free anon's */
292:
1.9 mrg 293: /* stat counters */
1.7 mrg 294: int faults; /* page fault count */
295: int traps; /* trap count */
296: int intrs; /* interrupt count */
297: int swtch; /* context switch count */
298: int softs; /* software interrupt count */
299: int syscalls; /* system calls */
300: int pageins; /* pagein operation count */
301: /* pageouts are in pdpageouts below */
302: int swapins; /* swapins */
303: int swapouts; /* swapouts */
304: int pgswapin; /* pages swapped in */
305: int pgswapout; /* pages swapped out */
306: int forks; /* forks */
1.1 mrg 307: int forks_ppwait; /* forks where parent waits */
308: int forks_sharevm; /* forks where vmspace is shared */
1.40 thorpej 309: int pga_zerohit; /* pagealloc where zero wanted and zero
310: was available */
311: int pga_zeromiss; /* pagealloc where zero wanted and zero
312: not available */
1.50 thorpej 313: int zeroaborts; /* number of times page zeroing was
314: aborted */
1.60 thorpej 315: int colorhit; /* pagealloc where we got optimal color */
316: int colormiss; /* pagealloc where we didn't */
1.1 mrg 317:
1.9 mrg 318: /* fault subcounters */
1.1 mrg 319: int fltnoram; /* number of times fault was out of ram */
320: int fltnoanon; /* number of times fault was out of anons */
321: int fltpgwait; /* number of times fault had to wait on a page */
322: int fltpgrele; /* number of times fault found a released page */
323: int fltrelck; /* number of times fault relock called */
324: int fltrelckok; /* number of times fault relock is a success */
325: int fltanget; /* number of times fault gets anon page */
326: int fltanretry; /* number of times fault retrys an anon get */
327: int fltamcopy; /* number of times fault clears "needs copy" */
328: int fltnamap; /* number of times fault maps a neighbor anon page */
329: int fltnomap; /* number of times fault maps a neighbor obj page */
330: int fltlget; /* number of times fault does a locked pgo_get */
331: int fltget; /* number of times fault does an unlocked get */
332: int flt_anon; /* number of times fault anon (case 1a) */
333: int flt_acow; /* number of times fault anon cow (case 1b) */
334: int flt_obj; /* number of times fault is on object page (2a) */
335: int flt_prcopy; /* number of times fault promotes with copy (2b) */
336: int flt_przero; /* number of times fault promotes with zerofill (2b) */
337:
1.9 mrg 338: /* daemon counters */
1.1 mrg 339: int pdwoke; /* number of times daemon woke up */
340: int pdrevs; /* number of times daemon rev'd clock hand */
341: int pdswout; /* number of times daemon called for swapout */
342: int pdfreed; /* number of pages daemon freed since boot */
343: int pdscans; /* number of pages daemon scaned since boot */
344: int pdanscan; /* number of anonymous pages scanned by daemon */
345: int pdobscan; /* number of object pages scanned by daemon */
346: int pdreact; /* number of pages daemon reactivated since boot */
347: int pdbusy; /* number of times daemon found a busy page */
348: int pdpageouts; /* number of times daemon started a pageout */
349: int pdpending; /* number of times daemon got a pending pagout */
350: int pddeact; /* number of pages daemon deactivates */
1.69 chs 351: int pdreanon; /* anon pages reactivated due to thresholds */
352: int pdrefile; /* file pages reactivated due to thresholds */
353: int pdreexec; /* executable pages reactivated due to thresholds */
1.54 simonb 354: };
355:
356: /*
357: * The following structure is 64-bit alignment safe. New elements
358: * should only be added to the end of this structure so binary
359: * compatibility can be preserved.
360: */
361: struct uvmexp_sysctl {
362: int64_t pagesize;
363: int64_t pagemask;
364: int64_t pageshift;
365: int64_t npages;
366: int64_t free;
367: int64_t active;
368: int64_t inactive;
369: int64_t paging;
370: int64_t wired;
371: int64_t zeropages;
372: int64_t reserve_pagedaemon;
373: int64_t reserve_kernel;
374: int64_t freemin;
375: int64_t freetarg;
376: int64_t inactarg;
377: int64_t wiredmax;
378: int64_t nswapdev;
379: int64_t swpages;
380: int64_t swpginuse;
381: int64_t swpgonly;
382: int64_t nswget;
383: int64_t nanon;
384: int64_t nanonneeded;
385: int64_t nfreeanon;
386: int64_t faults;
387: int64_t traps;
388: int64_t intrs;
389: int64_t swtch;
390: int64_t softs;
391: int64_t syscalls;
392: int64_t pageins;
393: int64_t swapins;
394: int64_t swapouts;
395: int64_t pgswapin;
396: int64_t pgswapout;
397: int64_t forks;
398: int64_t forks_ppwait;
399: int64_t forks_sharevm;
400: int64_t pga_zerohit;
401: int64_t pga_zeromiss;
402: int64_t zeroaborts;
403: int64_t fltnoram;
404: int64_t fltnoanon;
405: int64_t fltpgwait;
406: int64_t fltpgrele;
407: int64_t fltrelck;
408: int64_t fltrelckok;
409: int64_t fltanget;
410: int64_t fltanretry;
411: int64_t fltamcopy;
412: int64_t fltnamap;
413: int64_t fltnomap;
414: int64_t fltlget;
415: int64_t fltget;
416: int64_t flt_anon;
417: int64_t flt_acow;
418: int64_t flt_obj;
419: int64_t flt_prcopy;
420: int64_t flt_przero;
421: int64_t pdwoke;
422: int64_t pdrevs;
423: int64_t pdswout;
424: int64_t pdfreed;
425: int64_t pdscans;
426: int64_t pdanscan;
427: int64_t pdobscan;
428: int64_t pdreact;
429: int64_t pdbusy;
430: int64_t pdpageouts;
431: int64_t pdpending;
432: int64_t pddeact;
1.55 simonb 433: int64_t anonpages;
1.69 chs 434: int64_t filepages;
435: int64_t execpages;
1.60 thorpej 436: int64_t colorhit;
437: int64_t colormiss;
1.61 thorpej 438: int64_t ncolors;
1.1 mrg 439: };
440:
1.31 thorpej 441: #ifdef _KERNEL
1.45 mrg 442: extern struct uvmexp uvmexp;
443: #endif
1.1 mrg 444:
1.45 mrg 445: /*
446: * Finally, bring in standard UVM headers.
447: */
448: #include <sys/vmmeter.h>
449: #include <sys/queue.h>
450: #include <uvm/uvm_param.h>
451: #include <sys/lock.h>
452: #include <uvm/uvm_prot.h>
453: #include <uvm/uvm_page.h>
454: #include <uvm/uvm_pmap.h>
455: #include <uvm/uvm_map.h>
456: #include <uvm/uvm_fault.h>
457: #include <uvm/uvm_pager.h>
458:
459: /*
460: * Shareable process virtual address space.
461: * May eventually be merged with vm_map.
462: * Several fields are temporary (text, data stuff).
463: */
464: struct vmspace {
465: struct vm_map vm_map; /* VM address map */
466: int vm_refcnt; /* number of references */
467: caddr_t vm_shm; /* SYS5 shared memory private data XXX */
468: /* we copy from vm_startcopy to the end of the structure on fork */
469: #define vm_startcopy vm_rssize
1.59 thorpej 470: segsz_t vm_rssize; /* current resident set size in pages */
1.45 mrg 471: segsz_t vm_swrss; /* resident set size before last swap */
472: segsz_t vm_tsize; /* text size (pages) XXX */
473: segsz_t vm_dsize; /* data size (pages) XXX */
474: segsz_t vm_ssize; /* stack size (pages) */
475: caddr_t vm_taddr; /* user virtual address of text XXX */
476: caddr_t vm_daddr; /* user virtual address of data XXX */
477: caddr_t vm_maxsaddr; /* user VA at max stack growth */
1.51 eeh 478: caddr_t vm_minsaddr; /* user VA at top of stack */
1.45 mrg 479: };
480:
481: #ifdef _KERNEL
1.43 mrg 482:
483: /*
1.70 thorpej 484: * used to keep state while iterating over the map for a core dump.
485: */
486: struct uvm_coredump_state {
487: void *cookie; /* opaque for the caller */
488: vaddr_t start; /* start of region */
489: vaddr_t end; /* end of region */
490: vm_prot_t prot; /* protection of region */
491: int flags; /* flags; see below */
492: };
493:
494: #define UVM_COREDUMP_STACK 0x01 /* region is user stack */
495: #define UVM_COREDUMP_NODUMP 0x02 /* don't actually dump this region */
496:
497: /*
1.43 mrg 498: * the various kernel maps, owned by MD code
499: */
1.65 chs 500: extern struct vm_map *exec_map;
501: extern struct vm_map *kernel_map;
502: extern struct vm_map *kmem_map;
503: extern struct vm_map *mb_map;
504: extern struct vm_map *phys_map;
1.1 mrg 505:
506: /*
507: * macros
508: */
509:
510: /* zalloc zeros memory, alloc does not */
511: #define uvm_km_zalloc(MAP,SIZE) uvm_km_alloc1(MAP,SIZE,TRUE)
512: #define uvm_km_alloc(MAP,SIZE) uvm_km_alloc1(MAP,SIZE,FALSE)
513:
1.31 thorpej 514: #endif /* _KERNEL */
515:
1.45 mrg 516: #define vm_resident_count(vm) (pmap_resident_count((vm)->vm_map.pmap))
1.1 mrg 517:
1.44 mrg 518: struct buf;
519: struct loadavg;
520: struct proc;
521: struct pmap;
522: struct vmspace;
523: struct vmtotal;
524: struct mount;
525: struct vnode;
526: struct core;
527:
1.31 thorpej 528: #ifdef _KERNEL
1.44 mrg 529:
530: /* vm_machdep.c */
531: void vmapbuf __P((struct buf *, vsize_t));
532: void vunmapbuf __P((struct buf *, vsize_t));
533: void pagemove __P((caddr_t, caddr_t, size_t));
534: #ifndef cpu_swapin
1.76 ! thorpej 535: void cpu_swapin __P((struct lwp *));
1.44 mrg 536: #endif
537: #ifndef cpu_swapout
1.76 ! thorpej 538: void cpu_swapout __P((struct lwp *));
1.44 mrg 539: #endif
1.31 thorpej 540:
1.1 mrg 541: /* uvm_aobj.c */
1.19 eeh 542: struct uvm_object *uao_create __P((vsize_t, int));
1.1 mrg 543: void uao_detach __P((struct uvm_object *));
1.36 chs 544: void uao_detach_locked __P((struct uvm_object *));
1.1 mrg 545: void uao_reference __P((struct uvm_object *));
1.36 chs 546: void uao_reference_locked __P((struct uvm_object *));
1.1 mrg 547:
1.53 chs 548: /* uvm_bio.c */
549: void ubc_init __P((void));
550: void * ubc_alloc __P((struct uvm_object *, voff_t, vsize_t *,
551: int));
1.67 chs 552: void ubc_release __P((void *, int));
1.53 chs 553: void ubc_flush __P((struct uvm_object *, voff_t, voff_t));
554:
1.1 mrg 555: /* uvm_fault.c */
1.65 chs 556: int uvm_fault __P((struct vm_map *, vaddr_t, vm_fault_t,
1.53 chs 557: vm_prot_t));
1.1 mrg 558: /* handle a page fault */
559:
560: /* uvm_glue.c */
561: #if defined(KGDB)
1.13 kleink 562: void uvm_chgkprot __P((caddr_t, size_t, int));
1.1 mrg 563: #endif
1.76 ! thorpej 564: void uvm_proc_fork __P((struct proc *, struct proc *, boolean_t));
! 565: void uvm_lwp_fork __P((struct lwp *, struct lwp *,
! 566: void *, size_t, void (*)(void *), void *));
1.70 thorpej 567: int uvm_coredump_walkmap __P((struct proc *,
568: struct vnode *, struct ucred *,
569: int (*)(struct proc *, struct vnode *,
570: struct ucred *,
571: struct uvm_coredump_state *), void *));
1.76 ! thorpej 572: void uvm_proc_exit __P((struct proc *));
! 573: void uvm_lwp_exit __P((struct lwp *));
1.1 mrg 574: void uvm_init_limits __P((struct proc *));
1.13 kleink 575: boolean_t uvm_kernacc __P((caddr_t, size_t, int));
1.11 mycroft 576: __dead void uvm_scheduler __P((void)) __attribute__((noreturn));
1.76 ! thorpej 577: void uvm_swapin __P((struct lwp *));
1.74 chs 578: boolean_t uvm_uarea_alloc(vaddr_t *);
1.73 chs 579: void uvm_uarea_free(vaddr_t);
1.13 kleink 580: boolean_t uvm_useracc __P((caddr_t, size_t, int));
1.29 thorpej 581: int uvm_vslock __P((struct proc *, caddr_t, size_t,
1.26 thorpej 582: vm_prot_t));
1.13 kleink 583: void uvm_vsunlock __P((struct proc *, caddr_t, size_t));
1.1 mrg 584:
585:
586: /* uvm_init.c */
1.63 chs 587: void uvm_init __P((void));
1.1 mrg 588:
589: /* uvm_io.c */
1.65 chs 590: int uvm_io __P((struct vm_map *, struct uio *));
1.1 mrg 591:
592: /* uvm_km.c */
1.65 chs 593: vaddr_t uvm_km_alloc1 __P((struct vm_map *, vsize_t,
594: boolean_t));
595: void uvm_km_free __P((struct vm_map *, vaddr_t, vsize_t));
596: void uvm_km_free_wakeup __P((struct vm_map *, vaddr_t,
597: vsize_t));
598: vaddr_t uvm_km_kmemalloc __P((struct vm_map *, struct
599: uvm_object *, vsize_t, int));
600: struct vm_map *uvm_km_suballoc __P((struct vm_map *, vaddr_t *,
601: vaddr_t *, vsize_t, int, boolean_t,
602: struct vm_map *));
603: vaddr_t uvm_km_valloc __P((struct vm_map *, vsize_t));
604: vaddr_t uvm_km_valloc_align __P((struct vm_map *, vsize_t,
605: vsize_t));
606: vaddr_t uvm_km_valloc_wait __P((struct vm_map *, vsize_t));
607: vaddr_t uvm_km_valloc_prefer_wait __P((struct vm_map *, vsize_t,
608: voff_t));
609: vaddr_t uvm_km_alloc_poolpage1 __P((struct vm_map *,
610: struct uvm_object *, boolean_t));
611: void uvm_km_free_poolpage1 __P((struct vm_map *, vaddr_t));
612:
1.67 chs 613: #define uvm_km_alloc_poolpage(waitok) \
614: uvm_km_alloc_poolpage1(kmem_map, NULL, (waitok))
615: #define uvm_km_free_poolpage(addr) \
1.65 chs 616: uvm_km_free_poolpage1(kmem_map, (addr))
1.1 mrg 617:
618: /* uvm_map.c */
1.65 chs 619: int uvm_map __P((struct vm_map *, vaddr_t *, vsize_t,
1.49 thorpej 620: struct uvm_object *, voff_t, vsize_t,
621: uvm_flag_t));
1.65 chs 622: int uvm_map_pageable __P((struct vm_map *, vaddr_t,
1.33 thorpej 623: vaddr_t, boolean_t, int));
1.65 chs 624: int uvm_map_pageable_all __P((struct vm_map *, int,
625: vsize_t));
626: boolean_t uvm_map_checkprot __P((struct vm_map *, vaddr_t,
1.19 eeh 627: vaddr_t, vm_prot_t));
1.65 chs 628: int uvm_map_protect __P((struct vm_map *, vaddr_t,
1.19 eeh 629: vaddr_t, vm_prot_t, boolean_t));
1.66 chs 630: struct vmspace *uvmspace_alloc __P((vaddr_t, vaddr_t));
1.10 thorpej 631: void uvmspace_init __P((struct vmspace *, struct pmap *,
1.66 chs 632: vaddr_t, vaddr_t));
1.76 ! thorpej 633: void uvmspace_exec __P((struct lwp *, vaddr_t, vaddr_t));
1.1 mrg 634: struct vmspace *uvmspace_fork __P((struct vmspace *));
635: void uvmspace_free __P((struct vmspace *));
636: void uvmspace_share __P((struct proc *, struct proc *));
1.76 ! thorpej 637: void uvmspace_unshare __P((struct lwp *));
1.1 mrg 638:
639:
640: /* uvm_meter.c */
641: void uvm_meter __P((void));
1.63 chs 642: int uvm_sysctl __P((int *, u_int, void *, size_t *,
1.1 mrg 643: void *, size_t, struct proc *));
644:
645: /* uvm_mmap.c */
1.65 chs 646: int uvm_mmap __P((struct vm_map *, vaddr_t *, vsize_t,
1.63 chs 647: vm_prot_t, vm_prot_t, int,
1.58 chs 648: void *, voff_t, vsize_t));
1.1 mrg 649:
650: /* uvm_page.c */
1.15 thorpej 651: struct vm_page *uvm_pagealloc_strat __P((struct uvm_object *,
1.38 kleink 652: voff_t, struct vm_anon *, int, int, int));
1.24 chs 653: #define uvm_pagealloc(obj, off, anon, flags) \
654: uvm_pagealloc_strat((obj), (off), (anon), (flags), \
655: UVM_PGA_STRAT_NORMAL, 0)
1.63 chs 656: void uvm_pagerealloc __P((struct vm_page *,
1.38 kleink 657: struct uvm_object *, voff_t));
1.19 eeh 658: /* Actually, uvm_page_physload takes PF#s which need their own type */
1.67 chs 659: void uvm_page_physload __P((paddr_t, paddr_t, paddr_t,
660: paddr_t, int));
1.1 mrg 661: void uvm_setpagesize __P((void));
662:
1.53 chs 663: /* uvm_pager.c */
664: void uvm_aio_biodone1 __P((struct buf *));
665: void uvm_aio_biodone __P((struct buf *));
666: void uvm_aio_aiodone __P((struct buf *));
667:
1.1 mrg 668: /* uvm_pdaemon.c */
1.48 thorpej 669: void uvm_pageout __P((void *));
1.53 chs 670: void uvm_aiodone_daemon __P((void *));
1.1 mrg 671:
672: /* uvm_pglist.c */
1.67 chs 673: int uvm_pglistalloc __P((psize_t, paddr_t, paddr_t,
674: paddr_t, paddr_t, struct pglist *, int, int));
1.1 mrg 675: void uvm_pglistfree __P((struct pglist *));
676:
677: /* uvm_swap.c */
678: void uvm_swap_init __P((void));
679:
680: /* uvm_unix.c */
1.19 eeh 681: int uvm_grow __P((struct proc *, vaddr_t));
1.1 mrg 682:
683: /* uvm_user.c */
1.65 chs 684: void uvm_deallocate __P((struct vm_map *, vaddr_t, vsize_t));
1.1 mrg 685:
686: /* uvm_vnode.c */
1.38 kleink 687: void uvm_vnp_setsize __P((struct vnode *, voff_t));
1.1 mrg 688: void uvm_vnp_sync __P((struct mount *));
689: struct uvm_object *uvn_attach __P((void *, vm_prot_t));
1.71 enami 690: int uvn_findpages __P((struct uvm_object *, voff_t,
1.53 chs 691: int *, struct vm_page **, int));
692: void uvm_vnp_zerorange __P((struct vnode *, off_t, size_t));
1.37 thorpej 693:
694: /* kern_malloc.c */
695: void kmeminit_nkmempages __P((void));
696: void kmeminit __P((void));
697: extern int nkmempages;
1.1 mrg 698:
1.31 thorpej 699: #endif /* _KERNEL */
700:
1.8 perry 701: #endif /* _UVM_UVM_EXTERN_H_ */
CVSweb <webmaster@jp.NetBSD.org>