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coda.h (38759) coda.h (39085)
1/*
2 *
3 * Coda: an Experimental Distributed File System
4 * Release 3.1
5 *
6 * Copyright (c) 1987-1998 Carnegie Mellon University
7 * All Rights Reserved
8 *

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22 * RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OF THIS SOFTWARE OR OF
23 * ANY DERIVATIVE WORK.
24 *
25 * Carnegie Mellon encourages users of this software to return any
26 * improvements or extensions that they make, and to grant Carnegie
27 * Mellon the rights to redistribute these changes without encumbrance.
28 *
29 * @(#) src/sys/cfs/coda.h,v 1.1.1.1 1998/08/29 21:14:52 rvb Exp $
1/*
2 *
3 * Coda: an Experimental Distributed File System
4 * Release 3.1
5 *
6 * Copyright (c) 1987-1998 Carnegie Mellon University
7 * All Rights Reserved
8 *

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22 * RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OF THIS SOFTWARE OR OF
23 * ANY DERIVATIVE WORK.
24 *
25 * Carnegie Mellon encourages users of this software to return any
26 * improvements or extensions that they make, and to grant Carnegie
27 * Mellon the rights to redistribute these changes without encumbrance.
28 *
29 * @(#) src/sys/cfs/coda.h,v 1.1.1.1 1998/08/29 21:14:52 rvb Exp $
30 * $Id: $
30 * $Id: coda.h,v 1.2 1998/09/02 19:09:53 rvb Exp $
31 *
32 */
33
34/*
35 *
36 * Based on cfs.h from Mach, but revamped for increased simplicity.
37 * Linux modifications by Peter Braam, Aug 1996
38 */
39
31 *
32 */
33
34/*
35 *
36 * Based on cfs.h from Mach, but revamped for increased simplicity.
37 * Linux modifications by Peter Braam, Aug 1996
38 */
39
40#ifndef _CFS_HEADER_
41#define _CFS_HEADER_
40#ifndef _CODA_HEADER_
41#define _CODA_HEADER_
42
43/* Catch new _KERNEL defn for NetBSD */
44#ifdef __NetBSD__
45#include <sys/types.h>
46#endif
47
48#if defined(__linux__) || defined(__CYGWIN32__)
49#define cdev_t u_quad_t

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60struct timespec {
61 time_t tv_sec; /* seconds */
62 long tv_nsec; /* nanoseconds */
63};
64#endif
65
66
67/*
42
43/* Catch new _KERNEL defn for NetBSD */
44#ifdef __NetBSD__
45#include <sys/types.h>
46#endif
47
48#if defined(__linux__) || defined(__CYGWIN32__)
49#define cdev_t u_quad_t

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60struct timespec {
61 time_t tv_sec; /* seconds */
62 long tv_nsec; /* nanoseconds */
63};
64#endif
65
66
67/*
68 * Cfs constants
68 * Coda constants
69 */
69 */
70#define CFS_MAXNAMLEN 255
71#define CFS_MAXPATHLEN 1024
72#define CFS_MAXSYMLINK 10
70#define CODA_MAXNAMLEN 255
71#define CODA_MAXPATHLEN 1024
72#define CODA_MAXSYMLINK 10
73
74/* these are Coda's version of O_RDONLY etc combinations
75 * to deal with VFS open modes
76 */
77#define C_O_READ 0x001
78#define C_O_WRITE 0x002
79#define C_O_TRUNC 0x010
80#define C_O_EXCL 0x100

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93
94#ifndef _VENUS_DIRENT_T_
95#define _VENUS_DIRENT_T_ 1
96struct venus_dirent {
97 unsigned long d_fileno; /* file number of entry */
98 unsigned short d_reclen; /* length of this record */
99 char d_type; /* file type, see below */
100 char d_namlen; /* length of string in d_name */
73
74/* these are Coda's version of O_RDONLY etc combinations
75 * to deal with VFS open modes
76 */
77#define C_O_READ 0x001
78#define C_O_WRITE 0x002
79#define C_O_TRUNC 0x010
80#define C_O_EXCL 0x100

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93
94#ifndef _VENUS_DIRENT_T_
95#define _VENUS_DIRENT_T_ 1
96struct venus_dirent {
97 unsigned long d_fileno; /* file number of entry */
98 unsigned short d_reclen; /* length of this record */
99 char d_type; /* file type, see below */
100 char d_namlen; /* length of string in d_name */
101 char d_name[CFS_MAXNAMLEN + 1];/* name must be no longer than this */
101 char d_name[CODA_MAXNAMLEN + 1];/* name must be no longer than this */
102};
103#undef DIRSIZ
102};
103#undef DIRSIZ
104#define DIRSIZ(dp) ((sizeof (struct venus_dirent) - (CFS_MAXNAMLEN+1)) + \
104#define DIRSIZ(dp) ((sizeof (struct venus_dirent) - (CODA_MAXNAMLEN+1)) + \
105 (((dp)->d_namlen+1 + 3) &~ 3))
106
107/*
108 * File types
109 */
110#define CDT_UNKNOWN 0
111#define CDT_FIFO 1
112#define CDT_CHR 2

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198};
199
200#endif
201
202/*
203 * Kernel <--> Venus communications.
204 */
205
105 (((dp)->d_namlen+1 + 3) &~ 3))
106
107/*
108 * File types
109 */
110#define CDT_UNKNOWN 0
111#define CDT_FIFO 1
112#define CDT_CHR 2

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198};
199
200#endif
201
202/*
203 * Kernel <--> Venus communications.
204 */
205
206#define CFS_ROOT ((u_long) 2)
207#define CFS_SYNC ((u_long) 3)
208#define CFS_OPEN ((u_long) 4)
209#define CFS_CLOSE ((u_long) 5)
210#define CFS_IOCTL ((u_long) 6)
211#define CFS_GETATTR ((u_long) 7)
212#define CFS_SETATTR ((u_long) 8)
213#define CFS_ACCESS ((u_long) 9)
214#define CFS_LOOKUP ((u_long) 10)
215#define CFS_CREATE ((u_long) 11)
216#define CFS_REMOVE ((u_long) 12)
217#define CFS_LINK ((u_long) 13)
218#define CFS_RENAME ((u_long) 14)
219#define CFS_MKDIR ((u_long) 15)
220#define CFS_RMDIR ((u_long) 16)
221#define CFS_READDIR ((u_long) 17)
222#define CFS_SYMLINK ((u_long) 18)
223#define CFS_READLINK ((u_long) 19)
224#define CFS_FSYNC ((u_long) 20)
225#define CFS_INACTIVE ((u_long) 21)
226#define CFS_VGET ((u_long) 22)
227#define CFS_SIGNAL ((u_long) 23)
228#define CFS_REPLACE ((u_long) 24)
229#define CFS_FLUSH ((u_long) 25)
230#define CFS_PURGEUSER ((u_long) 26)
231#define CFS_ZAPFILE ((u_long) 27)
232#define CFS_ZAPDIR ((u_long) 28)
233#define CFS_ZAPVNODE ((u_long) 29)
234#define CFS_PURGEFID ((u_long) 30)
235#define CFS_NCALLS 31
206#define CODA_ROOT ((u_long) 2)
207#define CODA_SYNC ((u_long) 3)
208#define CODA_OPEN ((u_long) 4)
209#define CODA_CLOSE ((u_long) 5)
210#define CODA_IOCTL ((u_long) 6)
211#define CODA_GETATTR ((u_long) 7)
212#define CODA_SETATTR ((u_long) 8)
213#define CODA_ACCESS ((u_long) 9)
214#define CODA_LOOKUP ((u_long) 10)
215#define CODA_CREATE ((u_long) 11)
216#define CODA_REMOVE ((u_long) 12)
217#define CODA_LINK ((u_long) 13)
218#define CODA_RENAME ((u_long) 14)
219#define CODA_MKDIR ((u_long) 15)
220#define CODA_RMDIR ((u_long) 16)
221#define CODA_READDIR ((u_long) 17)
222#define CODA_SYMLINK ((u_long) 18)
223#define CODA_READLINK ((u_long) 19)
224#define CODA_FSYNC ((u_long) 20)
225#define CODA_INACTIVE ((u_long) 21)
226#define CODA_VGET ((u_long) 22)
227#define CODA_SIGNAL ((u_long) 23)
228#define CODA_REPLACE ((u_long) 24)
229#define CODA_FLUSH ((u_long) 25)
230#define CODA_PURGEUSER ((u_long) 26)
231#define CODA_ZAPFILE ((u_long) 27)
232#define CODA_ZAPDIR ((u_long) 28)
233#define CODA_ZAPVNODE ((u_long) 29)
234#define CODA_PURGEFID ((u_long) 30)
235#define CODA_NCALLS 31
236
236
237#define DOWNCALL(opcode) (opcode >= CFS_REPLACE && opcode <= CFS_PURGEFID)
237#define DOWNCALL(opcode) (opcode >= CODA_REPLACE && opcode <= CODA_PURGEFID)
238
239#define VC_MAXDATASIZE 8192
240#define VC_MAXMSGSIZE sizeof(union inputArgs)+sizeof(union outputArgs) +\
241 VC_MAXDATASIZE
242
243
244
245/*
246 * Venus <-> Coda RPC arguments
247 */
238
239#define VC_MAXDATASIZE 8192
240#define VC_MAXMSGSIZE sizeof(union inputArgs)+sizeof(union outputArgs) +\
241 VC_MAXDATASIZE
242
243
244
245/*
246 * Venus <-> Coda RPC arguments
247 */
248struct cfs_in_hdr {
248struct coda_in_hdr {
249 unsigned long opcode;
250 unsigned long unique; /* Keep multiple outstanding msgs distinct */
251 u_short pid; /* Common to all */
252 u_short pgid; /* Common to all */
253 u_short sid; /* Common to all */
254 struct coda_cred cred; /* Common to all */
255};
256
257/* Really important that opcode and unique are 1st two fields! */
249 unsigned long opcode;
250 unsigned long unique; /* Keep multiple outstanding msgs distinct */
251 u_short pid; /* Common to all */
252 u_short pgid; /* Common to all */
253 u_short sid; /* Common to all */
254 struct coda_cred cred; /* Common to all */
255};
256
257/* Really important that opcode and unique are 1st two fields! */
258struct cfs_out_hdr {
258struct coda_out_hdr {
259 unsigned long opcode;
260 unsigned long unique;
261 unsigned long result;
262};
263
259 unsigned long opcode;
260 unsigned long unique;
261 unsigned long result;
262};
263
264/* cfs_root: NO_IN */
265struct cfs_root_out {
266 struct cfs_out_hdr oh;
264/* coda_root: NO_IN */
265struct coda_root_out {
266 struct coda_out_hdr oh;
267 ViceFid VFid;
268};
269
267 ViceFid VFid;
268};
269
270struct cfs_root_in {
271 struct cfs_in_hdr in;
270struct coda_root_in {
271 struct coda_in_hdr in;
272};
273
272};
273
274/* cfs_sync: */
275/* Nothing needed for cfs_sync */
274/* coda_sync: */
275/* Nothing needed for coda_sync */
276
276
277/* cfs_open: */
278struct cfs_open_in {
279 struct cfs_in_hdr ih;
277/* coda_open: */
278struct coda_open_in {
279 struct coda_in_hdr ih;
280 ViceFid VFid;
281 int flags;
282};
283
280 ViceFid VFid;
281 int flags;
282};
283
284struct cfs_open_out {
285 struct cfs_out_hdr oh;
284struct coda_open_out {
285 struct coda_out_hdr oh;
286 cdev_t dev;
287 ino_t inode;
288};
289
290
286 cdev_t dev;
287 ino_t inode;
288};
289
290
291/* cfs_close: */
292struct cfs_close_in {
293 struct cfs_in_hdr ih;
291/* coda_close: */
292struct coda_close_in {
293 struct coda_in_hdr ih;
294 ViceFid VFid;
295 int flags;
296};
297
294 ViceFid VFid;
295 int flags;
296};
297
298struct cfs_close_out {
299 struct cfs_out_hdr out;
298struct coda_close_out {
299 struct coda_out_hdr out;
300};
301
300};
301
302/* cfs_ioctl: */
303struct cfs_ioctl_in {
304 struct cfs_in_hdr ih;
302/* coda_ioctl: */
303struct coda_ioctl_in {
304 struct coda_in_hdr ih;
305 ViceFid VFid;
306 int cmd;
307 int len;
308 int rwflag;
309 char *data; /* Place holder for data. */
310};
311
305 ViceFid VFid;
306 int cmd;
307 int len;
308 int rwflag;
309 char *data; /* Place holder for data. */
310};
311
312struct cfs_ioctl_out {
313 struct cfs_out_hdr oh;
312struct coda_ioctl_out {
313 struct coda_out_hdr oh;
314 int len;
315 caddr_t data; /* Place holder for data. */
316};
317
318
314 int len;
315 caddr_t data; /* Place holder for data. */
316};
317
318
319/* cfs_getattr: */
320struct cfs_getattr_in {
321 struct cfs_in_hdr ih;
319/* coda_getattr: */
320struct coda_getattr_in {
321 struct coda_in_hdr ih;
322 ViceFid VFid;
323};
324
322 ViceFid VFid;
323};
324
325struct cfs_getattr_out {
326 struct cfs_out_hdr oh;
325struct coda_getattr_out {
326 struct coda_out_hdr oh;
327 struct coda_vattr attr;
328};
329
330
327 struct coda_vattr attr;
328};
329
330
331/* cfs_setattr: NO_OUT */
332struct cfs_setattr_in {
333 struct cfs_in_hdr ih;
331/* coda_setattr: NO_OUT */
332struct coda_setattr_in {
333 struct coda_in_hdr ih;
334 ViceFid VFid;
335 struct coda_vattr attr;
336};
337
334 ViceFid VFid;
335 struct coda_vattr attr;
336};
337
338struct cfs_setattr_out {
339 struct cfs_out_hdr out;
338struct coda_setattr_out {
339 struct coda_out_hdr out;
340};
341
340};
341
342/* cfs_access: NO_OUT */
343struct cfs_access_in {
344 struct cfs_in_hdr ih;
342/* coda_access: NO_OUT */
343struct coda_access_in {
344 struct coda_in_hdr ih;
345 ViceFid VFid;
346 int flags;
347};
348
345 ViceFid VFid;
346 int flags;
347};
348
349struct cfs_access_out {
350 struct cfs_out_hdr out;
349struct coda_access_out {
350 struct coda_out_hdr out;
351};
352
351};
352
353/* cfs_lookup: */
354struct cfs_lookup_in {
355 struct cfs_in_hdr ih;
353/* coda_lookup: */
354struct coda_lookup_in {
355 struct coda_in_hdr ih;
356 ViceFid VFid;
357 int name; /* Place holder for data. */
358};
359
356 ViceFid VFid;
357 int name; /* Place holder for data. */
358};
359
360struct cfs_lookup_out {
361 struct cfs_out_hdr oh;
360struct coda_lookup_out {
361 struct coda_out_hdr oh;
362 ViceFid VFid;
363 int vtype;
364};
365
366
362 ViceFid VFid;
363 int vtype;
364};
365
366
367/* cfs_create: */
368struct cfs_create_in {
369 struct cfs_in_hdr ih;
367/* coda_create: */
368struct coda_create_in {
369 struct coda_in_hdr ih;
370 ViceFid VFid;
371 struct coda_vattr attr;
372 int excl;
373 int mode;
374 int name; /* Place holder for data. */
375};
376
370 ViceFid VFid;
371 struct coda_vattr attr;
372 int excl;
373 int mode;
374 int name; /* Place holder for data. */
375};
376
377struct cfs_create_out {
378 struct cfs_out_hdr oh;
377struct coda_create_out {
378 struct coda_out_hdr oh;
379 ViceFid VFid;
380 struct coda_vattr attr;
381};
382
383
379 ViceFid VFid;
380 struct coda_vattr attr;
381};
382
383
384/* cfs_remove: NO_OUT */
385struct cfs_remove_in {
386 struct cfs_in_hdr ih;
384/* coda_remove: NO_OUT */
385struct coda_remove_in {
386 struct coda_in_hdr ih;
387 ViceFid VFid;
388 int name; /* Place holder for data. */
389};
390
387 ViceFid VFid;
388 int name; /* Place holder for data. */
389};
390
391struct cfs_remove_out {
392 struct cfs_out_hdr out;
391struct coda_remove_out {
392 struct coda_out_hdr out;
393};
394
393};
394
395/* cfs_link: NO_OUT */
396struct cfs_link_in {
397 struct cfs_in_hdr ih;
395/* coda_link: NO_OUT */
396struct coda_link_in {
397 struct coda_in_hdr ih;
398 ViceFid sourceFid; /* cnode to link *to* */
399 ViceFid destFid; /* Directory in which to place link */
400 int tname; /* Place holder for data. */
401};
402
398 ViceFid sourceFid; /* cnode to link *to* */
399 ViceFid destFid; /* Directory in which to place link */
400 int tname; /* Place holder for data. */
401};
402
403struct cfs_link_out {
404 struct cfs_out_hdr out;
403struct coda_link_out {
404 struct coda_out_hdr out;
405};
406
407
405};
406
407
408/* cfs_rename: NO_OUT */
409struct cfs_rename_in {
410 struct cfs_in_hdr ih;
408/* coda_rename: NO_OUT */
409struct coda_rename_in {
410 struct coda_in_hdr ih;
411 ViceFid sourceFid;
412 int srcname;
413 ViceFid destFid;
414 int destname;
415};
416
411 ViceFid sourceFid;
412 int srcname;
413 ViceFid destFid;
414 int destname;
415};
416
417struct cfs_rename_out {
418 struct cfs_out_hdr out;
417struct coda_rename_out {
418 struct coda_out_hdr out;
419};
420
419};
420
421/* cfs_mkdir: */
422struct cfs_mkdir_in {
423 struct cfs_in_hdr ih;
421/* coda_mkdir: */
422struct coda_mkdir_in {
423 struct coda_in_hdr ih;
424 ViceFid VFid;
425 struct coda_vattr attr;
426 int name; /* Place holder for data. */
427};
428
424 ViceFid VFid;
425 struct coda_vattr attr;
426 int name; /* Place holder for data. */
427};
428
429struct cfs_mkdir_out {
430 struct cfs_out_hdr oh;
429struct coda_mkdir_out {
430 struct coda_out_hdr oh;
431 ViceFid VFid;
432 struct coda_vattr attr;
433};
434
435
431 ViceFid VFid;
432 struct coda_vattr attr;
433};
434
435
436/* cfs_rmdir: NO_OUT */
437struct cfs_rmdir_in {
438 struct cfs_in_hdr ih;
436/* coda_rmdir: NO_OUT */
437struct coda_rmdir_in {
438 struct coda_in_hdr ih;
439 ViceFid VFid;
440 int name; /* Place holder for data. */
441};
442
439 ViceFid VFid;
440 int name; /* Place holder for data. */
441};
442
443struct cfs_rmdir_out {
444 struct cfs_out_hdr out;
443struct coda_rmdir_out {
444 struct coda_out_hdr out;
445};
446
445};
446
447/* cfs_readdir: */
448struct cfs_readdir_in {
449 struct cfs_in_hdr ih;
447/* coda_readdir: */
448struct coda_readdir_in {
449 struct coda_in_hdr ih;
450 ViceFid VFid;
451 int count;
452 int offset;
453};
454
450 ViceFid VFid;
451 int count;
452 int offset;
453};
454
455struct cfs_readdir_out {
456 struct cfs_out_hdr oh;
455struct coda_readdir_out {
456 struct coda_out_hdr oh;
457 int size;
458 caddr_t data; /* Place holder for data. */
459};
460
457 int size;
458 caddr_t data; /* Place holder for data. */
459};
460
461/* cfs_symlink: NO_OUT */
462struct cfs_symlink_in {
463 struct cfs_in_hdr ih;
461/* coda_symlink: NO_OUT */
462struct coda_symlink_in {
463 struct coda_in_hdr ih;
464 ViceFid VFid; /* Directory to put symlink in */
465 int srcname;
466 struct coda_vattr attr;
467 int tname;
468};
469
464 ViceFid VFid; /* Directory to put symlink in */
465 int srcname;
466 struct coda_vattr attr;
467 int tname;
468};
469
470struct cfs_symlink_out {
471 struct cfs_out_hdr out;
470struct coda_symlink_out {
471 struct coda_out_hdr out;
472};
473
472};
473
474/* cfs_readlink: */
475struct cfs_readlink_in {
476 struct cfs_in_hdr ih;
474/* coda_readlink: */
475struct coda_readlink_in {
476 struct coda_in_hdr ih;
477 ViceFid VFid;
478};
479
477 ViceFid VFid;
478};
479
480struct cfs_readlink_out {
481 struct cfs_out_hdr oh;
480struct coda_readlink_out {
481 struct coda_out_hdr oh;
482 int count;
483 caddr_t data; /* Place holder for data. */
484};
485
486
482 int count;
483 caddr_t data; /* Place holder for data. */
484};
485
486
487/* cfs_fsync: NO_OUT */
488struct cfs_fsync_in {
489 struct cfs_in_hdr ih;
487/* coda_fsync: NO_OUT */
488struct coda_fsync_in {
489 struct coda_in_hdr ih;
490 ViceFid VFid;
491};
492
490 ViceFid VFid;
491};
492
493struct cfs_fsync_out {
494 struct cfs_out_hdr out;
493struct coda_fsync_out {
494 struct coda_out_hdr out;
495};
496
495};
496
497/* cfs_inactive: NO_OUT */
498struct cfs_inactive_in {
499 struct cfs_in_hdr ih;
497/* coda_inactive: NO_OUT */
498struct coda_inactive_in {
499 struct coda_in_hdr ih;
500 ViceFid VFid;
501};
502
500 ViceFid VFid;
501};
502
503/* cfs_vget: */
504struct cfs_vget_in {
505 struct cfs_in_hdr ih;
503/* coda_vget: */
504struct coda_vget_in {
505 struct coda_in_hdr ih;
506 ViceFid VFid;
507};
508
506 ViceFid VFid;
507};
508
509struct cfs_vget_out {
510 struct cfs_out_hdr oh;
509struct coda_vget_out {
510 struct coda_out_hdr oh;
511 ViceFid VFid;
512 int vtype;
513};
514
515
511 ViceFid VFid;
512 int vtype;
513};
514
515
516/* CFS_SIGNAL is out-of-band, doesn't need data. */
517/* CFS_INVALIDATE is a venus->kernel call */
518/* CFS_FLUSH is a venus->kernel call */
516/* CODA_SIGNAL is out-of-band, doesn't need data. */
517/* CODA_INVALIDATE is a venus->kernel call */
518/* CODA_FLUSH is a venus->kernel call */
519
519
520/* cfs_purgeuser: */
521/* CFS_PURGEUSER is a venus->kernel call */
522struct cfs_purgeuser_out {
523 struct cfs_out_hdr oh;
520/* coda_purgeuser: */
521/* CODA_PURGEUSER is a venus->kernel call */
522struct coda_purgeuser_out {
523 struct coda_out_hdr oh;
524 struct coda_cred cred;
525};
526
524 struct coda_cred cred;
525};
526
527/* cfs_zapfile: */
528/* CFS_ZAPFILE is a venus->kernel call */
529struct cfs_zapfile_out {
530 struct cfs_out_hdr oh;
527/* coda_zapfile: */
528/* CODA_ZAPFILE is a venus->kernel call */
529struct coda_zapfile_out {
530 struct coda_out_hdr oh;
531 ViceFid CodaFid;
532};
533
531 ViceFid CodaFid;
532};
533
534/* cfs_zapdir: */
535/* CFS_ZAPDIR is a venus->kernel call */
536struct cfs_zapdir_out {
537 struct cfs_out_hdr oh;
534/* coda_zapdir: */
535/* CODA_ZAPDIR is a venus->kernel call */
536struct coda_zapdir_out {
537 struct coda_out_hdr oh;
538 ViceFid CodaFid;
539};
540
538 ViceFid CodaFid;
539};
540
541/* cfs_zapnode: */
542/* CFS_ZAPVNODE is a venus->kernel call */
543struct cfs_zapvnode_out {
544 struct cfs_out_hdr oh;
541/* coda_zapnode: */
542/* CODA_ZAPVNODE is a venus->kernel call */
543struct coda_zapvnode_out {
544 struct coda_out_hdr oh;
545 struct coda_cred cred;
546 ViceFid VFid;
547};
548
545 struct coda_cred cred;
546 ViceFid VFid;
547};
548
549/* cfs_purgefid: */
550/* CFS_PURGEFID is a venus->kernel call */
551struct cfs_purgefid_out {
552 struct cfs_out_hdr oh;
549/* coda_purgefid: */
550/* CODA_PURGEFID is a venus->kernel call */
551struct coda_purgefid_out {
552 struct coda_out_hdr oh;
553 ViceFid CodaFid;
554};
555
553 ViceFid CodaFid;
554};
555
556/* cfs_rdwr: */
557struct cfs_rdwr_in {
558 struct cfs_in_hdr ih;
556/* coda_rdwr: */
557struct coda_rdwr_in {
558 struct coda_in_hdr ih;
559 ViceFid VFid;
560 int rwflag;
561 int count;
562 int offset;
563 int ioflag;
564 caddr_t data; /* Place holder for data. */
565};
566
559 ViceFid VFid;
560 int rwflag;
561 int count;
562 int offset;
563 int ioflag;
564 caddr_t data; /* Place holder for data. */
565};
566
567struct cfs_rdwr_out {
568 struct cfs_out_hdr oh;
567struct coda_rdwr_out {
568 struct coda_out_hdr oh;
569 int rwflag;
570 int count;
571 caddr_t data; /* Place holder for data. */
572};
573
574
569 int rwflag;
570 int count;
571 caddr_t data; /* Place holder for data. */
572};
573
574
575/* cfs_replace: */
576/* CFS_REPLACE is a venus->kernel call */
577struct cfs_replace_out { /* cfs_replace is a venus->kernel call */
578 struct cfs_out_hdr oh;
575/* coda_replace: */
576/* CODA_REPLACE is a venus->kernel call */
577struct coda_replace_out { /* coda_replace is a venus->kernel call */
578 struct coda_out_hdr oh;
579 ViceFid NewFid;
580 ViceFid OldFid;
581};
582
583/*
579 ViceFid NewFid;
580 ViceFid OldFid;
581};
582
583/*
584 * Occasionally, don't cache the fid returned by CFS_LOOKUP. For instance, if
584 * Occasionally, don't cache the fid returned by CODA_LOOKUP. For instance, if
585 * the fid is inconsistent. This case is handled by setting the top bit of the
586 * return result parameter.
587 */
585 * the fid is inconsistent. This case is handled by setting the top bit of the
586 * return result parameter.
587 */
588#define CFS_NOCACHE 0x80000000
588#define CODA_NOCACHE 0x80000000
589
590union inputArgs {
589
590union inputArgs {
591 struct cfs_in_hdr ih; /* NB: every struct below begins with an ih */
592 struct cfs_open_in cfs_open;
593 struct cfs_close_in cfs_close;
594 struct cfs_ioctl_in cfs_ioctl;
595 struct cfs_getattr_in cfs_getattr;
596 struct cfs_setattr_in cfs_setattr;
597 struct cfs_access_in cfs_access;
598 struct cfs_lookup_in cfs_lookup;
599 struct cfs_create_in cfs_create;
600 struct cfs_remove_in cfs_remove;
601 struct cfs_link_in cfs_link;
602 struct cfs_rename_in cfs_rename;
603 struct cfs_mkdir_in cfs_mkdir;
604 struct cfs_rmdir_in cfs_rmdir;
605 struct cfs_readdir_in cfs_readdir;
606 struct cfs_symlink_in cfs_symlink;
607 struct cfs_readlink_in cfs_readlink;
608 struct cfs_fsync_in cfs_fsync;
609 struct cfs_inactive_in cfs_inactive;
610 struct cfs_vget_in cfs_vget;
611 struct cfs_rdwr_in cfs_rdwr;
591 struct coda_in_hdr ih; /* NB: every struct below begins with an ih */
592 struct coda_open_in coda_open;
593 struct coda_close_in coda_close;
594 struct coda_ioctl_in coda_ioctl;
595 struct coda_getattr_in coda_getattr;
596 struct coda_setattr_in coda_setattr;
597 struct coda_access_in coda_access;
598 struct coda_lookup_in coda_lookup;
599 struct coda_create_in coda_create;
600 struct coda_remove_in coda_remove;
601 struct coda_link_in coda_link;
602 struct coda_rename_in coda_rename;
603 struct coda_mkdir_in coda_mkdir;
604 struct coda_rmdir_in coda_rmdir;
605 struct coda_readdir_in coda_readdir;
606 struct coda_symlink_in coda_symlink;
607 struct coda_readlink_in coda_readlink;
608 struct coda_fsync_in coda_fsync;
609 struct coda_inactive_in coda_inactive;
610 struct coda_vget_in coda_vget;
611 struct coda_rdwr_in coda_rdwr;
612};
613
614union outputArgs {
612};
613
614union outputArgs {
615 struct cfs_out_hdr oh; /* NB: every struct below begins with an oh */
616 struct cfs_root_out cfs_root;
617 struct cfs_open_out cfs_open;
618 struct cfs_ioctl_out cfs_ioctl;
619 struct cfs_getattr_out cfs_getattr;
620 struct cfs_lookup_out cfs_lookup;
621 struct cfs_create_out cfs_create;
622 struct cfs_mkdir_out cfs_mkdir;
623 struct cfs_readdir_out cfs_readdir;
624 struct cfs_readlink_out cfs_readlink;
625 struct cfs_vget_out cfs_vget;
626 struct cfs_purgeuser_out cfs_purgeuser;
627 struct cfs_zapfile_out cfs_zapfile;
628 struct cfs_zapdir_out cfs_zapdir;
629 struct cfs_zapvnode_out cfs_zapvnode;
630 struct cfs_purgefid_out cfs_purgefid;
631 struct cfs_rdwr_out cfs_rdwr;
632 struct cfs_replace_out cfs_replace;
615 struct coda_out_hdr oh; /* NB: every struct below begins with an oh */
616 struct coda_root_out coda_root;
617 struct coda_open_out coda_open;
618 struct coda_ioctl_out coda_ioctl;
619 struct coda_getattr_out coda_getattr;
620 struct coda_lookup_out coda_lookup;
621 struct coda_create_out coda_create;
622 struct coda_mkdir_out coda_mkdir;
623 struct coda_readdir_out coda_readdir;
624 struct coda_readlink_out coda_readlink;
625 struct coda_vget_out coda_vget;
626 struct coda_purgeuser_out coda_purgeuser;
627 struct coda_zapfile_out coda_zapfile;
628 struct coda_zapdir_out coda_zapdir;
629 struct coda_zapvnode_out coda_zapvnode;
630 struct coda_purgefid_out coda_purgefid;
631 struct coda_rdwr_out coda_rdwr;
632 struct coda_replace_out coda_replace;
633};
634
633};
634
635union cfs_downcalls {
636 /* CFS_INVALIDATE is a venus->kernel call */
637 /* CFS_FLUSH is a venus->kernel call */
638 struct cfs_purgeuser_out purgeuser;
639 struct cfs_zapfile_out zapfile;
640 struct cfs_zapdir_out zapdir;
641 struct cfs_zapvnode_out zapvnode;
642 struct cfs_purgefid_out purgefid;
643 struct cfs_replace_out replace;
635union coda_downcalls {
636 /* CODA_INVALIDATE is a venus->kernel call */
637 /* CODA_FLUSH is a venus->kernel call */
638 struct coda_purgeuser_out purgeuser;
639 struct coda_zapfile_out zapfile;
640 struct coda_zapdir_out zapdir;
641 struct coda_zapvnode_out zapvnode;
642 struct coda_purgefid_out purgefid;
643 struct coda_replace_out replace;
644};
645
646
647/*
648 * Used for identifying usage of "Control" and pioctls
649 */
650
651#define PIOCPARM_MASK 0x0000ffff

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656};
657
658struct PioctlData {
659 const char *path;
660 int follow;
661 struct ViceIoctl vi;
662};
663
644};
645
646
647/*
648 * Used for identifying usage of "Control" and pioctls
649 */
650
651#define PIOCPARM_MASK 0x0000ffff

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656};
657
658struct PioctlData {
659 const char *path;
660 int follow;
661 struct ViceIoctl vi;
662};
663
664#define CFS_CONTROL ".CONTROL"
665#define CFS_CONTROLLEN 8
664#define CODA_CONTROL ".CONTROL"
665#define CODA_CONTROLLEN 8
666#define CTL_VOL -1
667#define CTL_VNO -1
668#define CTL_UNI -1
669#define CTL_INO -1
670#define CTL_FILE "/coda/.CONTROL"
671
672
673#define IS_CTL_FID(fidp) ((fidp)->Volume == CTL_VOL &&\
674 (fidp)->Vnode == CTL_VNO &&\
675 (fidp)->Unique == CTL_UNI)
676#endif
677
666#define CTL_VOL -1
667#define CTL_VNO -1
668#define CTL_UNI -1
669#define CTL_INO -1
670#define CTL_FILE "/coda/.CONTROL"
671
672
673#define IS_CTL_FID(fidp) ((fidp)->Volume == CTL_VOL &&\
674 (fidp)->Vnode == CTL_VNO &&\
675 (fidp)->Unique == CTL_UNI)
676#endif
677