coda.h revision 1.2 1 1.2 rvb /* $NetBSD: coda.h,v 1.2 1998/09/08 17:12:49 rvb Exp $ */
2 1.2 rvb
3 1.1 rvb /*
4 1.2 rvb *
5 1.2 rvb * Coda: an Experimental Distributed File System
6 1.2 rvb * Release 3.1
7 1.2 rvb *
8 1.2 rvb * Copyright (c) 1987-1998 Carnegie Mellon University
9 1.2 rvb * All Rights Reserved
10 1.2 rvb *
11 1.2 rvb * Permission to use, copy, modify and distribute this software and its
12 1.2 rvb * documentation is hereby granted, provided that both the copyright
13 1.2 rvb * notice and this permission notice appear in all copies of the
14 1.2 rvb * software, derivative works or modified versions, and any portions
15 1.2 rvb * thereof, and that both notices appear in supporting documentation, and
16 1.2 rvb * that credit is given to Carnegie Mellon University in all documents
17 1.2 rvb * and publicity pertaining to direct or indirect use of this code or its
18 1.2 rvb * derivatives.
19 1.2 rvb *
20 1.2 rvb * CODA IS AN EXPERIMENTAL SOFTWARE SYSTEM AND IS KNOWN TO HAVE BUGS,
21 1.2 rvb * SOME OF WHICH MAY HAVE SERIOUS CONSEQUENCES. CARNEGIE MELLON ALLOWS
22 1.2 rvb * FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION. CARNEGIE MELLON
23 1.2 rvb * DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER
24 1.2 rvb * RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OF THIS SOFTWARE OR OF
25 1.2 rvb * ANY DERIVATIVE WORK.
26 1.2 rvb *
27 1.2 rvb * Carnegie Mellon encourages users of this software to return any
28 1.2 rvb * improvements or extensions that they make, and to grant Carnegie
29 1.2 rvb * Mellon the rights to redistribute these changes without encumbrance.
30 1.2 rvb *
31 1.2 rvb * @(#) cfs/coda.h,v 1.1.1.1 1998/08/29 21:26:46 rvb Exp
32 1.2 rvb */
33 1.1 rvb
34 1.1 rvb /*
35 1.1 rvb *
36 1.1 rvb * Based on cfs.h from Mach, but revamped for increased simplicity.
37 1.1 rvb * Linux modifications by Peter Braam, Aug 1996
38 1.1 rvb */
39 1.1 rvb
40 1.1 rvb #ifndef _CFS_HEADER_
41 1.1 rvb #define _CFS_HEADER_
42 1.1 rvb
43 1.1 rvb
44 1.1 rvb
45 1.1 rvb /* Catch new _KERNEL defn for NetBSD */
46 1.1 rvb #ifdef __NetBSD__
47 1.1 rvb #include <sys/types.h>
48 1.1 rvb #endif
49 1.1 rvb
50 1.1 rvb #if defined(__linux__) || defined(__CYGWIN32__)
51 1.1 rvb #define cdev_t u_quad_t
52 1.1 rvb #if !defined(_UQUAD_T_) && (!defined(__GLIBC__) || __GLIBC__ < 2)
53 1.1 rvb #define _UQUAD_T_ 1
54 1.1 rvb typedef unsigned long long u_quad_t;
55 1.1 rvb #endif
56 1.1 rvb #else
57 1.1 rvb #define cdev_t dev_t
58 1.1 rvb #endif
59 1.1 rvb
60 1.1 rvb #ifdef __CYGWIN32__
61 1.1 rvb typedef unsigned char u_int8_t;
62 1.1 rvb struct timespec {
63 1.1 rvb time_t tv_sec; /* seconds */
64 1.1 rvb long tv_nsec; /* nanoseconds */
65 1.1 rvb };
66 1.1 rvb #endif
67 1.1 rvb
68 1.1 rvb
69 1.1 rvb /*
70 1.1 rvb * Cfs constants
71 1.1 rvb */
72 1.1 rvb #define CFS_MAXNAMLEN 255
73 1.1 rvb #define CFS_MAXPATHLEN 1024
74 1.1 rvb #define CFS_MAXSYMLINK 10
75 1.1 rvb
76 1.1 rvb /* these are Coda's version of O_RDONLY etc combinations
77 1.1 rvb * to deal with VFS open modes
78 1.1 rvb */
79 1.1 rvb #define C_O_READ 0x001
80 1.1 rvb #define C_O_WRITE 0x002
81 1.1 rvb #define C_O_TRUNC 0x010
82 1.1 rvb #define C_O_EXCL 0x100
83 1.1 rvb
84 1.1 rvb /* these are to find mode bits in Venus */
85 1.1 rvb #define C_M_READ 00400
86 1.1 rvb #define C_M_WRITE 00200
87 1.1 rvb
88 1.1 rvb /* for access Venus will use */
89 1.1 rvb #define C_A_R_OK 4 /* Test for read permission. */
90 1.1 rvb #define C_A_W_OK 2 /* Test for write permission. */
91 1.1 rvb #define C_A_X_OK 1 /* Test for execute permission. */
92 1.1 rvb #define C_A_F_OK 0 /* Test for existence. */
93 1.1 rvb
94 1.1 rvb
95 1.1 rvb
96 1.1 rvb #ifndef _VENUS_DIRENT_T_
97 1.1 rvb #define _VENUS_DIRENT_T_ 1
98 1.1 rvb struct venus_dirent {
99 1.1 rvb unsigned long d_fileno; /* file number of entry */
100 1.1 rvb unsigned short d_reclen; /* length of this record */
101 1.1 rvb char d_type; /* file type, see below */
102 1.1 rvb char d_namlen; /* length of string in d_name */
103 1.1 rvb char d_name[CFS_MAXNAMLEN + 1];/* name must be no longer than this */
104 1.1 rvb };
105 1.1 rvb #undef DIRSIZ
106 1.1 rvb #define DIRSIZ(dp) ((sizeof (struct venus_dirent) - (CFS_MAXNAMLEN+1)) + \
107 1.1 rvb (((dp)->d_namlen+1 + 3) &~ 3))
108 1.1 rvb
109 1.1 rvb /*
110 1.1 rvb * File types
111 1.1 rvb */
112 1.1 rvb #define CDT_UNKNOWN 0
113 1.1 rvb #define CDT_FIFO 1
114 1.1 rvb #define CDT_CHR 2
115 1.1 rvb #define CDT_DIR 4
116 1.1 rvb #define CDT_BLK 6
117 1.1 rvb #define CDT_REG 8
118 1.1 rvb #define CDT_LNK 10
119 1.1 rvb #define CDT_SOCK 12
120 1.1 rvb #define CDT_WHT 14
121 1.1 rvb
122 1.1 rvb /*
123 1.1 rvb * Convert between stat structure types and directory types.
124 1.1 rvb */
125 1.1 rvb #define IFTOCDT(mode) (((mode) & 0170000) >> 12)
126 1.1 rvb #define CDTTOIF(dirtype) ((dirtype) << 12)
127 1.1 rvb
128 1.1 rvb #endif
129 1.1 rvb
130 1.1 rvb #ifndef _FID_T_
131 1.1 rvb #define _FID_T_ 1
132 1.1 rvb typedef u_long VolumeId;
133 1.1 rvb typedef u_long VnodeId;
134 1.1 rvb typedef u_long Unique_t;
135 1.1 rvb typedef u_long FileVersion;
136 1.1 rvb #endif
137 1.1 rvb
138 1.1 rvb #ifndef _VICEFID_T_
139 1.1 rvb #define _VICEFID_T_ 1
140 1.1 rvb typedef struct ViceFid {
141 1.1 rvb VolumeId Volume;
142 1.1 rvb VnodeId Vnode;
143 1.1 rvb Unique_t Unique;
144 1.1 rvb } ViceFid;
145 1.1 rvb #endif /* VICEFID */
146 1.1 rvb
147 1.1 rvb #ifdef __linux__
148 1.1 rvb static inline ino_t coda_f2i(struct ViceFid *fid)
149 1.1 rvb {
150 1.1 rvb if ( fid ) {
151 1.1 rvb return (fid->Unique + (fid->Vnode << 10) + (fid->Volume << 20));
152 1.1 rvb } else {
153 1.1 rvb return 0;
154 1.1 rvb }
155 1.1 rvb }
156 1.1 rvb #endif
157 1.1 rvb
158 1.1 rvb #ifndef _VUID_T_
159 1.1 rvb #define _VUID_T_
160 1.1 rvb typedef u_long vuid_t;
161 1.1 rvb typedef u_long vgid_t;
162 1.1 rvb #endif /*_VUID_T_ */
163 1.1 rvb
164 1.1 rvb #ifndef _CODACRED_T_
165 1.1 rvb #define _CODACRED_T_
166 1.1 rvb struct coda_cred {
167 1.1 rvb vuid_t cr_uid, cr_euid, cr_suid, cr_fsuid; /* Real, efftve, set, fs uid*/
168 1.1 rvb #if defined(__NetBSD__) || defined(__FreeBSD__)
169 1.1 rvb vgid_t cr_groupid, cr_egid, cr_sgid, cr_fsgid; /* same for groups */
170 1.1 rvb #else
171 1.1 rvb vgid_t cr_gid, cr_egid, cr_sgid, cr_fsgid; /* same for groups */
172 1.1 rvb #endif
173 1.1 rvb };
174 1.1 rvb #endif
175 1.1 rvb
176 1.1 rvb #ifndef _VENUS_VATTR_T_
177 1.1 rvb #define _VENUS_VATTR_T_
178 1.1 rvb /*
179 1.1 rvb * Vnode types. VNON means no type.
180 1.1 rvb */
181 1.1 rvb enum coda_vtype { C_VNON, C_VREG, C_VDIR, C_VBLK, C_VCHR, C_VLNK, C_VSOCK, C_VFIFO, C_VBAD };
182 1.1 rvb
183 1.1 rvb struct coda_vattr {
184 1.1 rvb enum coda_vtype va_type; /* vnode type (for create) */
185 1.1 rvb u_short va_mode; /* files access mode and type */
186 1.1 rvb short va_nlink; /* number of references to file */
187 1.1 rvb vuid_t va_uid; /* owner user id */
188 1.1 rvb vgid_t va_gid; /* owner group id */
189 1.1 rvb long va_fileid; /* file id */
190 1.1 rvb u_quad_t va_size; /* file size in bytes */
191 1.1 rvb long va_blocksize; /* blocksize preferred for i/o */
192 1.1 rvb struct timespec va_atime; /* time of last access */
193 1.1 rvb struct timespec va_mtime; /* time of last modification */
194 1.1 rvb struct timespec va_ctime; /* time file changed */
195 1.1 rvb u_long va_gen; /* generation number of file */
196 1.1 rvb u_long va_flags; /* flags defined for file */
197 1.1 rvb cdev_t va_rdev; /* device special file represents */
198 1.1 rvb u_quad_t va_bytes; /* bytes of disk space held by file */
199 1.1 rvb u_quad_t va_filerev; /* file modification number */
200 1.1 rvb };
201 1.1 rvb
202 1.1 rvb #endif
203 1.1 rvb
204 1.1 rvb /*
205 1.1 rvb * Kernel <--> Venus communications.
206 1.1 rvb */
207 1.1 rvb
208 1.1 rvb #define CFS_ROOT ((u_long) 2)
209 1.1 rvb #define CFS_SYNC ((u_long) 3)
210 1.1 rvb #define CFS_OPEN ((u_long) 4)
211 1.1 rvb #define CFS_CLOSE ((u_long) 5)
212 1.1 rvb #define CFS_IOCTL ((u_long) 6)
213 1.1 rvb #define CFS_GETATTR ((u_long) 7)
214 1.1 rvb #define CFS_SETATTR ((u_long) 8)
215 1.1 rvb #define CFS_ACCESS ((u_long) 9)
216 1.1 rvb #define CFS_LOOKUP ((u_long) 10)
217 1.1 rvb #define CFS_CREATE ((u_long) 11)
218 1.1 rvb #define CFS_REMOVE ((u_long) 12)
219 1.1 rvb #define CFS_LINK ((u_long) 13)
220 1.1 rvb #define CFS_RENAME ((u_long) 14)
221 1.1 rvb #define CFS_MKDIR ((u_long) 15)
222 1.1 rvb #define CFS_RMDIR ((u_long) 16)
223 1.1 rvb #define CFS_READDIR ((u_long) 17)
224 1.1 rvb #define CFS_SYMLINK ((u_long) 18)
225 1.1 rvb #define CFS_READLINK ((u_long) 19)
226 1.1 rvb #define CFS_FSYNC ((u_long) 20)
227 1.1 rvb #define CFS_INACTIVE ((u_long) 21)
228 1.1 rvb #define CFS_VGET ((u_long) 22)
229 1.1 rvb #define CFS_SIGNAL ((u_long) 23)
230 1.1 rvb #define CFS_REPLACE ((u_long) 24)
231 1.1 rvb #define CFS_FLUSH ((u_long) 25)
232 1.1 rvb #define CFS_PURGEUSER ((u_long) 26)
233 1.1 rvb #define CFS_ZAPFILE ((u_long) 27)
234 1.1 rvb #define CFS_ZAPDIR ((u_long) 28)
235 1.1 rvb #define CFS_ZAPVNODE ((u_long) 29)
236 1.1 rvb #define CFS_PURGEFID ((u_long) 30)
237 1.1 rvb #define CFS_NCALLS 31
238 1.1 rvb
239 1.1 rvb #define DOWNCALL(opcode) (opcode >= CFS_REPLACE && opcode <= CFS_PURGEFID)
240 1.1 rvb
241 1.1 rvb #define VC_MAXDATASIZE 8192
242 1.1 rvb #define VC_MAXMSGSIZE sizeof(union inputArgs)+sizeof(union outputArgs) +\
243 1.1 rvb VC_MAXDATASIZE
244 1.1 rvb
245 1.1 rvb
246 1.1 rvb
247 1.1 rvb /*
248 1.1 rvb * Venus <-> Coda RPC arguments
249 1.1 rvb */
250 1.1 rvb struct cfs_in_hdr {
251 1.1 rvb unsigned long opcode;
252 1.1 rvb unsigned long unique; /* Keep multiple outstanding msgs distinct */
253 1.1 rvb u_short pid; /* Common to all */
254 1.1 rvb u_short pgid; /* Common to all */
255 1.1 rvb u_short sid; /* Common to all */
256 1.1 rvb struct coda_cred cred; /* Common to all */
257 1.1 rvb };
258 1.1 rvb
259 1.1 rvb /* Really important that opcode and unique are 1st two fields! */
260 1.1 rvb struct cfs_out_hdr {
261 1.1 rvb unsigned long opcode;
262 1.1 rvb unsigned long unique;
263 1.1 rvb unsigned long result;
264 1.1 rvb };
265 1.1 rvb
266 1.1 rvb /* cfs_root: NO_IN */
267 1.1 rvb struct cfs_root_out {
268 1.1 rvb struct cfs_out_hdr oh;
269 1.1 rvb ViceFid VFid;
270 1.1 rvb };
271 1.1 rvb
272 1.1 rvb struct cfs_root_in {
273 1.1 rvb struct cfs_in_hdr in;
274 1.1 rvb };
275 1.1 rvb
276 1.1 rvb /* cfs_sync: */
277 1.1 rvb /* Nothing needed for cfs_sync */
278 1.1 rvb
279 1.1 rvb /* cfs_open: */
280 1.1 rvb struct cfs_open_in {
281 1.1 rvb struct cfs_in_hdr ih;
282 1.1 rvb ViceFid VFid;
283 1.1 rvb int flags;
284 1.1 rvb };
285 1.1 rvb
286 1.1 rvb struct cfs_open_out {
287 1.1 rvb struct cfs_out_hdr oh;
288 1.1 rvb cdev_t dev;
289 1.1 rvb ino_t inode;
290 1.1 rvb };
291 1.1 rvb
292 1.1 rvb
293 1.1 rvb /* cfs_close: */
294 1.1 rvb struct cfs_close_in {
295 1.1 rvb struct cfs_in_hdr ih;
296 1.1 rvb ViceFid VFid;
297 1.1 rvb int flags;
298 1.1 rvb };
299 1.1 rvb
300 1.1 rvb struct cfs_close_out {
301 1.1 rvb struct cfs_out_hdr out;
302 1.1 rvb };
303 1.1 rvb
304 1.1 rvb /* cfs_ioctl: */
305 1.1 rvb struct cfs_ioctl_in {
306 1.1 rvb struct cfs_in_hdr ih;
307 1.1 rvb ViceFid VFid;
308 1.1 rvb int cmd;
309 1.1 rvb int len;
310 1.1 rvb int rwflag;
311 1.1 rvb char *data; /* Place holder for data. */
312 1.1 rvb };
313 1.1 rvb
314 1.1 rvb struct cfs_ioctl_out {
315 1.1 rvb struct cfs_out_hdr oh;
316 1.1 rvb int len;
317 1.1 rvb caddr_t data; /* Place holder for data. */
318 1.1 rvb };
319 1.1 rvb
320 1.1 rvb
321 1.1 rvb /* cfs_getattr: */
322 1.1 rvb struct cfs_getattr_in {
323 1.1 rvb struct cfs_in_hdr ih;
324 1.1 rvb ViceFid VFid;
325 1.1 rvb };
326 1.1 rvb
327 1.1 rvb struct cfs_getattr_out {
328 1.1 rvb struct cfs_out_hdr oh;
329 1.1 rvb struct coda_vattr attr;
330 1.1 rvb };
331 1.1 rvb
332 1.1 rvb
333 1.1 rvb /* cfs_setattr: NO_OUT */
334 1.1 rvb struct cfs_setattr_in {
335 1.1 rvb struct cfs_in_hdr ih;
336 1.1 rvb ViceFid VFid;
337 1.1 rvb struct coda_vattr attr;
338 1.1 rvb };
339 1.1 rvb
340 1.1 rvb struct cfs_setattr_out {
341 1.1 rvb struct cfs_out_hdr out;
342 1.1 rvb };
343 1.1 rvb
344 1.1 rvb /* cfs_access: NO_OUT */
345 1.1 rvb struct cfs_access_in {
346 1.1 rvb struct cfs_in_hdr ih;
347 1.1 rvb ViceFid VFid;
348 1.1 rvb int flags;
349 1.1 rvb };
350 1.1 rvb
351 1.1 rvb struct cfs_access_out {
352 1.1 rvb struct cfs_out_hdr out;
353 1.1 rvb };
354 1.1 rvb
355 1.1 rvb /* cfs_lookup: */
356 1.1 rvb struct cfs_lookup_in {
357 1.1 rvb struct cfs_in_hdr ih;
358 1.1 rvb ViceFid VFid;
359 1.1 rvb int name; /* Place holder for data. */
360 1.1 rvb };
361 1.1 rvb
362 1.1 rvb struct cfs_lookup_out {
363 1.1 rvb struct cfs_out_hdr oh;
364 1.1 rvb ViceFid VFid;
365 1.1 rvb int vtype;
366 1.1 rvb };
367 1.1 rvb
368 1.1 rvb
369 1.1 rvb /* cfs_create: */
370 1.1 rvb struct cfs_create_in {
371 1.1 rvb struct cfs_in_hdr ih;
372 1.1 rvb ViceFid VFid;
373 1.1 rvb struct coda_vattr attr;
374 1.1 rvb int excl;
375 1.1 rvb int mode;
376 1.1 rvb int name; /* Place holder for data. */
377 1.1 rvb };
378 1.1 rvb
379 1.1 rvb struct cfs_create_out {
380 1.1 rvb struct cfs_out_hdr oh;
381 1.1 rvb ViceFid VFid;
382 1.1 rvb struct coda_vattr attr;
383 1.1 rvb };
384 1.1 rvb
385 1.1 rvb
386 1.1 rvb /* cfs_remove: NO_OUT */
387 1.1 rvb struct cfs_remove_in {
388 1.1 rvb struct cfs_in_hdr ih;
389 1.1 rvb ViceFid VFid;
390 1.1 rvb int name; /* Place holder for data. */
391 1.1 rvb };
392 1.1 rvb
393 1.1 rvb struct cfs_remove_out {
394 1.1 rvb struct cfs_out_hdr out;
395 1.1 rvb };
396 1.1 rvb
397 1.1 rvb /* cfs_link: NO_OUT */
398 1.1 rvb struct cfs_link_in {
399 1.1 rvb struct cfs_in_hdr ih;
400 1.1 rvb ViceFid sourceFid; /* cnode to link *to* */
401 1.1 rvb ViceFid destFid; /* Directory in which to place link */
402 1.1 rvb int tname; /* Place holder for data. */
403 1.1 rvb };
404 1.1 rvb
405 1.1 rvb struct cfs_link_out {
406 1.1 rvb struct cfs_out_hdr out;
407 1.1 rvb };
408 1.1 rvb
409 1.1 rvb
410 1.1 rvb /* cfs_rename: NO_OUT */
411 1.1 rvb struct cfs_rename_in {
412 1.1 rvb struct cfs_in_hdr ih;
413 1.1 rvb ViceFid sourceFid;
414 1.1 rvb int srcname;
415 1.1 rvb ViceFid destFid;
416 1.1 rvb int destname;
417 1.1 rvb };
418 1.1 rvb
419 1.1 rvb struct cfs_rename_out {
420 1.1 rvb struct cfs_out_hdr out;
421 1.1 rvb };
422 1.1 rvb
423 1.1 rvb /* cfs_mkdir: */
424 1.1 rvb struct cfs_mkdir_in {
425 1.1 rvb struct cfs_in_hdr ih;
426 1.1 rvb ViceFid VFid;
427 1.1 rvb struct coda_vattr attr;
428 1.1 rvb int name; /* Place holder for data. */
429 1.1 rvb };
430 1.1 rvb
431 1.1 rvb struct cfs_mkdir_out {
432 1.1 rvb struct cfs_out_hdr oh;
433 1.1 rvb ViceFid VFid;
434 1.1 rvb struct coda_vattr attr;
435 1.1 rvb };
436 1.1 rvb
437 1.1 rvb
438 1.1 rvb /* cfs_rmdir: NO_OUT */
439 1.1 rvb struct cfs_rmdir_in {
440 1.1 rvb struct cfs_in_hdr ih;
441 1.1 rvb ViceFid VFid;
442 1.1 rvb int name; /* Place holder for data. */
443 1.1 rvb };
444 1.1 rvb
445 1.1 rvb struct cfs_rmdir_out {
446 1.1 rvb struct cfs_out_hdr out;
447 1.1 rvb };
448 1.1 rvb
449 1.1 rvb /* cfs_readdir: */
450 1.1 rvb struct cfs_readdir_in {
451 1.1 rvb struct cfs_in_hdr ih;
452 1.1 rvb ViceFid VFid;
453 1.1 rvb int count;
454 1.1 rvb int offset;
455 1.1 rvb };
456 1.1 rvb
457 1.1 rvb struct cfs_readdir_out {
458 1.1 rvb struct cfs_out_hdr oh;
459 1.1 rvb int size;
460 1.1 rvb caddr_t data; /* Place holder for data. */
461 1.1 rvb };
462 1.1 rvb
463 1.1 rvb /* cfs_symlink: NO_OUT */
464 1.1 rvb struct cfs_symlink_in {
465 1.1 rvb struct cfs_in_hdr ih;
466 1.1 rvb ViceFid VFid; /* Directory to put symlink in */
467 1.1 rvb int srcname;
468 1.1 rvb struct coda_vattr attr;
469 1.1 rvb int tname;
470 1.1 rvb };
471 1.1 rvb
472 1.1 rvb struct cfs_symlink_out {
473 1.1 rvb struct cfs_out_hdr out;
474 1.1 rvb };
475 1.1 rvb
476 1.1 rvb /* cfs_readlink: */
477 1.1 rvb struct cfs_readlink_in {
478 1.1 rvb struct cfs_in_hdr ih;
479 1.1 rvb ViceFid VFid;
480 1.1 rvb };
481 1.1 rvb
482 1.1 rvb struct cfs_readlink_out {
483 1.1 rvb struct cfs_out_hdr oh;
484 1.1 rvb int count;
485 1.1 rvb caddr_t data; /* Place holder for data. */
486 1.1 rvb };
487 1.1 rvb
488 1.1 rvb
489 1.1 rvb /* cfs_fsync: NO_OUT */
490 1.1 rvb struct cfs_fsync_in {
491 1.1 rvb struct cfs_in_hdr ih;
492 1.1 rvb ViceFid VFid;
493 1.1 rvb };
494 1.1 rvb
495 1.1 rvb struct cfs_fsync_out {
496 1.1 rvb struct cfs_out_hdr out;
497 1.1 rvb };
498 1.1 rvb
499 1.1 rvb /* cfs_inactive: NO_OUT */
500 1.1 rvb struct cfs_inactive_in {
501 1.1 rvb struct cfs_in_hdr ih;
502 1.1 rvb ViceFid VFid;
503 1.1 rvb };
504 1.1 rvb
505 1.1 rvb /* cfs_vget: */
506 1.1 rvb struct cfs_vget_in {
507 1.1 rvb struct cfs_in_hdr ih;
508 1.1 rvb ViceFid VFid;
509 1.1 rvb };
510 1.1 rvb
511 1.1 rvb struct cfs_vget_out {
512 1.1 rvb struct cfs_out_hdr oh;
513 1.1 rvb ViceFid VFid;
514 1.1 rvb int vtype;
515 1.1 rvb };
516 1.1 rvb
517 1.1 rvb
518 1.1 rvb /* CFS_SIGNAL is out-of-band, doesn't need data. */
519 1.1 rvb /* CFS_INVALIDATE is a venus->kernel call */
520 1.1 rvb /* CFS_FLUSH is a venus->kernel call */
521 1.1 rvb
522 1.1 rvb /* cfs_purgeuser: */
523 1.1 rvb /* CFS_PURGEUSER is a venus->kernel call */
524 1.1 rvb struct cfs_purgeuser_out {
525 1.1 rvb struct cfs_out_hdr oh;
526 1.1 rvb struct coda_cred cred;
527 1.1 rvb };
528 1.1 rvb
529 1.1 rvb /* cfs_zapfile: */
530 1.1 rvb /* CFS_ZAPFILE is a venus->kernel call */
531 1.1 rvb struct cfs_zapfile_out {
532 1.1 rvb struct cfs_out_hdr oh;
533 1.1 rvb ViceFid CodaFid;
534 1.1 rvb };
535 1.1 rvb
536 1.1 rvb /* cfs_zapdir: */
537 1.1 rvb /* CFS_ZAPDIR is a venus->kernel call */
538 1.1 rvb struct cfs_zapdir_out {
539 1.1 rvb struct cfs_out_hdr oh;
540 1.1 rvb ViceFid CodaFid;
541 1.1 rvb };
542 1.1 rvb
543 1.1 rvb /* cfs_zapnode: */
544 1.1 rvb /* CFS_ZAPVNODE is a venus->kernel call */
545 1.1 rvb struct cfs_zapvnode_out {
546 1.1 rvb struct cfs_out_hdr oh;
547 1.1 rvb struct coda_cred cred;
548 1.1 rvb ViceFid VFid;
549 1.1 rvb };
550 1.1 rvb
551 1.1 rvb /* cfs_purgefid: */
552 1.1 rvb /* CFS_PURGEFID is a venus->kernel call */
553 1.1 rvb struct cfs_purgefid_out {
554 1.1 rvb struct cfs_out_hdr oh;
555 1.1 rvb ViceFid CodaFid;
556 1.1 rvb };
557 1.1 rvb
558 1.1 rvb /* cfs_rdwr: */
559 1.1 rvb struct cfs_rdwr_in {
560 1.1 rvb struct cfs_in_hdr ih;
561 1.1 rvb ViceFid VFid;
562 1.1 rvb int rwflag;
563 1.1 rvb int count;
564 1.1 rvb int offset;
565 1.1 rvb int ioflag;
566 1.1 rvb caddr_t data; /* Place holder for data. */
567 1.1 rvb };
568 1.1 rvb
569 1.1 rvb struct cfs_rdwr_out {
570 1.1 rvb struct cfs_out_hdr oh;
571 1.1 rvb int rwflag;
572 1.1 rvb int count;
573 1.1 rvb caddr_t data; /* Place holder for data. */
574 1.1 rvb };
575 1.1 rvb
576 1.1 rvb
577 1.1 rvb /* cfs_replace: */
578 1.1 rvb /* CFS_REPLACE is a venus->kernel call */
579 1.1 rvb struct cfs_replace_out { /* cfs_replace is a venus->kernel call */
580 1.1 rvb struct cfs_out_hdr oh;
581 1.1 rvb ViceFid NewFid;
582 1.1 rvb ViceFid OldFid;
583 1.1 rvb };
584 1.1 rvb
585 1.1 rvb /*
586 1.1 rvb * Occasionally, don't cache the fid returned by CFS_LOOKUP. For instance, if
587 1.1 rvb * the fid is inconsistent. This case is handled by setting the top bit of the
588 1.1 rvb * return result parameter.
589 1.1 rvb */
590 1.1 rvb #define CFS_NOCACHE 0x80000000
591 1.1 rvb
592 1.1 rvb union inputArgs {
593 1.1 rvb struct cfs_in_hdr ih; /* NB: every struct below begins with an ih */
594 1.1 rvb struct cfs_open_in cfs_open;
595 1.1 rvb struct cfs_close_in cfs_close;
596 1.1 rvb struct cfs_ioctl_in cfs_ioctl;
597 1.1 rvb struct cfs_getattr_in cfs_getattr;
598 1.1 rvb struct cfs_setattr_in cfs_setattr;
599 1.1 rvb struct cfs_access_in cfs_access;
600 1.1 rvb struct cfs_lookup_in cfs_lookup;
601 1.1 rvb struct cfs_create_in cfs_create;
602 1.1 rvb struct cfs_remove_in cfs_remove;
603 1.1 rvb struct cfs_link_in cfs_link;
604 1.1 rvb struct cfs_rename_in cfs_rename;
605 1.1 rvb struct cfs_mkdir_in cfs_mkdir;
606 1.1 rvb struct cfs_rmdir_in cfs_rmdir;
607 1.1 rvb struct cfs_readdir_in cfs_readdir;
608 1.1 rvb struct cfs_symlink_in cfs_symlink;
609 1.1 rvb struct cfs_readlink_in cfs_readlink;
610 1.1 rvb struct cfs_fsync_in cfs_fsync;
611 1.1 rvb struct cfs_inactive_in cfs_inactive;
612 1.1 rvb struct cfs_vget_in cfs_vget;
613 1.1 rvb struct cfs_rdwr_in cfs_rdwr;
614 1.1 rvb };
615 1.1 rvb
616 1.1 rvb union outputArgs {
617 1.1 rvb struct cfs_out_hdr oh; /* NB: every struct below begins with an oh */
618 1.1 rvb struct cfs_root_out cfs_root;
619 1.1 rvb struct cfs_open_out cfs_open;
620 1.1 rvb struct cfs_ioctl_out cfs_ioctl;
621 1.1 rvb struct cfs_getattr_out cfs_getattr;
622 1.1 rvb struct cfs_lookup_out cfs_lookup;
623 1.1 rvb struct cfs_create_out cfs_create;
624 1.1 rvb struct cfs_mkdir_out cfs_mkdir;
625 1.1 rvb struct cfs_readdir_out cfs_readdir;
626 1.1 rvb struct cfs_readlink_out cfs_readlink;
627 1.1 rvb struct cfs_vget_out cfs_vget;
628 1.1 rvb struct cfs_purgeuser_out cfs_purgeuser;
629 1.1 rvb struct cfs_zapfile_out cfs_zapfile;
630 1.1 rvb struct cfs_zapdir_out cfs_zapdir;
631 1.1 rvb struct cfs_zapvnode_out cfs_zapvnode;
632 1.1 rvb struct cfs_purgefid_out cfs_purgefid;
633 1.1 rvb struct cfs_rdwr_out cfs_rdwr;
634 1.1 rvb struct cfs_replace_out cfs_replace;
635 1.1 rvb };
636 1.1 rvb
637 1.1 rvb union cfs_downcalls {
638 1.1 rvb /* CFS_INVALIDATE is a venus->kernel call */
639 1.1 rvb /* CFS_FLUSH is a venus->kernel call */
640 1.1 rvb struct cfs_purgeuser_out purgeuser;
641 1.1 rvb struct cfs_zapfile_out zapfile;
642 1.1 rvb struct cfs_zapdir_out zapdir;
643 1.1 rvb struct cfs_zapvnode_out zapvnode;
644 1.1 rvb struct cfs_purgefid_out purgefid;
645 1.1 rvb struct cfs_replace_out replace;
646 1.1 rvb };
647 1.1 rvb
648 1.1 rvb
649 1.1 rvb /*
650 1.1 rvb * Used for identifying usage of "Control" and pioctls
651 1.1 rvb */
652 1.1 rvb
653 1.1 rvb #define PIOCPARM_MASK 0x0000ffff
654 1.1 rvb struct ViceIoctl {
655 1.1 rvb caddr_t in, out; /* Data to be transferred in, or out */
656 1.1 rvb short in_size; /* Size of input buffer <= 2K */
657 1.1 rvb short out_size; /* Maximum size of output buffer, <= 2K */
658 1.1 rvb };
659 1.1 rvb
660 1.1 rvb struct PioctlData {
661 1.1 rvb const char *path;
662 1.1 rvb int follow;
663 1.1 rvb struct ViceIoctl vi;
664 1.1 rvb };
665 1.1 rvb
666 1.1 rvb #define CFS_CONTROL ".CONTROL"
667 1.1 rvb #define CFS_CONTROLLEN 8
668 1.1 rvb #define CTL_VOL -1
669 1.1 rvb #define CTL_VNO -1
670 1.1 rvb #define CTL_UNI -1
671 1.1 rvb #define CTL_INO -1
672 1.1 rvb #define CTL_FILE "/coda/.CONTROL"
673 1.1 rvb
674 1.1 rvb
675 1.1 rvb #define IS_CTL_FID(fidp) ((fidp)->Volume == CTL_VOL &&\
676 1.1 rvb (fidp)->Vnode == CTL_VNO &&\
677 1.1 rvb (fidp)->Unique == CTL_UNI)
678 1.1 rvb #endif
679 1.1 rvb
680