1 f7012583 2003-11-25 devnull #ifndef _VENTI_H_
2 f7012583 2003-11-25 devnull #define _VENTI_H_ 1
3 819822c9 2004-06-16 devnull #ifdef __cplusplus
4 f7012583 2003-11-25 devnull extern "C" {
7 6c0209f6 2005-02-11 devnull #ifndef PLAN9PORT
8 6c0209f6 2005-02-11 devnull #pragma lib "libventi.a"
9 6c0209f6 2005-02-11 devnull #pragma src "/sys/src/libventi"
12 1a0954ab 2005-01-04 devnull AUTOLIB(venti)
14 97a5e5f2 2003-11-23 devnull /* XXX should be own library? */
16 97a5e5f2 2003-11-23 devnull * Packets
20 97a5e5f2 2003-11-23 devnull MaxFragSize = 9*1024,
23 97a5e5f2 2003-11-23 devnull typedef struct Packet Packet;
24 97a5e5f2 2003-11-23 devnull Packet *packetalloc(void);
25 97a5e5f2 2003-11-23 devnull void packetfree(Packet*);
26 97a5e5f2 2003-11-23 devnull Packet *packetforeign(uchar *buf, int n, void (*free)(void *a), void *a);
27 97a5e5f2 2003-11-23 devnull Packet *packetdup(Packet*, int offset, int n);
28 97a5e5f2 2003-11-23 devnull Packet *packetsplit(Packet*, int n);
29 97a5e5f2 2003-11-23 devnull int packetconsume(Packet*, uchar *buf, int n);
30 97a5e5f2 2003-11-23 devnull int packettrim(Packet*, int offset, int n);
31 97a5e5f2 2003-11-23 devnull uchar *packetheader(Packet*, int n);
32 97a5e5f2 2003-11-23 devnull uchar *packettrailer(Packet*, int n);
33 d23a617a 2004-03-15 devnull void packetprefix(Packet*, uchar *buf, int n);
34 d23a617a 2004-03-15 devnull void packetappend(Packet*, uchar *buf, int n);
35 d23a617a 2004-03-15 devnull void packetconcat(Packet*, Packet*);
36 97a5e5f2 2003-11-23 devnull uchar *packetpeek(Packet*, uchar *buf, int offset, int n);
37 97a5e5f2 2003-11-23 devnull int packetcopy(Packet*, uchar *buf, int offset, int n);
38 97a5e5f2 2003-11-23 devnull int packetfragments(Packet*, IOchunk*, int nio, int offset);
39 97a5e5f2 2003-11-23 devnull uint packetsize(Packet*);
40 97a5e5f2 2003-11-23 devnull uint packetasize(Packet*);
41 97a5e5f2 2003-11-23 devnull int packetcompact(Packet*);
42 97a5e5f2 2003-11-23 devnull int packetcmp(Packet*, Packet*);
43 97a5e5f2 2003-11-23 devnull void packetstats(void);
44 97a5e5f2 2003-11-23 devnull void packetsha1(Packet*, uchar sha1[20]);
46 6c0209f6 2005-02-11 devnull /* XXX should be own library? */
48 6c0209f6 2005-02-11 devnull * Logging
50 6c0209f6 2005-02-11 devnull typedef struct VtLog VtLog;
51 6c0209f6 2005-02-11 devnull typedef struct VtLogChunk VtLogChunk;
53 6c0209f6 2005-02-11 devnull struct VtLog
55 6c0209f6 2005-02-11 devnull VtLog *next; /* in hash table */
56 6c0209f6 2005-02-11 devnull VtLogChunk *chunk;
57 6c0209f6 2005-02-11 devnull uint nchunk;
58 6c0209f6 2005-02-11 devnull VtLogChunk *w;
59 6c0209f6 2005-02-11 devnull QLock lk;
63 6c0209f6 2005-02-11 devnull struct VtLogchunk
65 6c0209f6 2005-02-11 devnull char *buf;
66 6c0209f6 2005-02-11 devnull uint nbuf;
70 6c0209f6 2005-02-11 devnull VtLog *vtlogopen(char *name, uint size);
71 6c0209f6 2005-02-11 devnull void vtlogprint(VtLog *log, char *fmt, ...);
72 6c0209f6 2005-02-11 devnull void vtlog(char *name, char *fmt, ...);
73 6c0209f6 2005-02-11 devnull void vtlogclose(char *name);
74 6c0209f6 2005-02-11 devnull void vtlogremove(char *name);
75 6c0209f6 2005-02-11 devnull int vtlogdump(int fd, VtLog*);
77 6c0209f6 2005-02-11 devnull /* XXX begin actual venti.h */
79 97a5e5f2 2003-11-23 devnull typedef struct VtFcall VtFcall;
80 97a5e5f2 2003-11-23 devnull typedef struct VtConn VtConn;
81 97a5e5f2 2003-11-23 devnull typedef struct VtEntry VtEntry;
82 97a5e5f2 2003-11-23 devnull typedef struct VtRoot VtRoot;
85 97a5e5f2 2003-11-23 devnull * Fundamental constants.
89 97a5e5f2 2003-11-23 devnull VtScoreSize = 20,
90 97a5e5f2 2003-11-23 devnull VtMaxStringSize = 1024,
91 97a5e5f2 2003-11-23 devnull VtMaxLumpSize = 56*1024,
92 97a5e5f2 2003-11-23 devnull VtPointerDepth = 7,
94 2db9e482 2003-11-24 devnull #define VtMaxFileSize ((1ULL<<48)-1)
98 97a5e5f2 2003-11-23 devnull * Strings in packets.
100 97a5e5f2 2003-11-23 devnull int vtputstring(Packet*, char*);
101 97a5e5f2 2003-11-23 devnull int vtgetstring(Packet*, char**);
104 97a5e5f2 2003-11-23 devnull * Block types.
106 97a5e5f2 2003-11-23 devnull * The initial Venti protocol had a much
107 97a5e5f2 2003-11-23 devnull * less regular list of block types.
108 97a5e5f2 2003-11-23 devnull * VtToDiskType converts from new to old.
112 97a5e5f2 2003-11-23 devnull VtDataType = 0<<3,
113 97a5e5f2 2003-11-23 devnull /* VtDataType+1, ... */
114 97a5e5f2 2003-11-23 devnull VtDirType = 1<<3,
115 97a5e5f2 2003-11-23 devnull /* VtDirType+1, ... */
116 97a5e5f2 2003-11-23 devnull VtRootType = 2<<3,
117 97a5e5f2 2003-11-23 devnull VtMaxType,
118 d3232caf 2004-06-14 devnull VtCorruptType = 0xFF,
120 97a5e5f2 2003-11-23 devnull VtTypeDepthMask = 7,
121 d23a617a 2004-03-15 devnull VtTypeBaseMask = ~VtTypeDepthMask,
124 97a5e5f2 2003-11-23 devnull /* convert to/from on-disk type numbers */
125 97a5e5f2 2003-11-23 devnull uint vttodisktype(uint);
126 97a5e5f2 2003-11-23 devnull uint vtfromdisktype(uint);
129 97a5e5f2 2003-11-23 devnull * VtEntry describes a Venti stream
131 eacbfb24 2004-03-15 devnull * The _ enums are only used on the wire.
132 eacbfb24 2004-03-15 devnull * They are not present in the VtEntry structure
133 eacbfb24 2004-03-15 devnull * and should not be used by client programs.
134 eacbfb24 2004-03-15 devnull * (The info is in the type field.)
138 97a5e5f2 2003-11-23 devnull VtEntryActive = 1<<0, /* entry is in use */
139 d23a617a 2004-03-15 devnull _VtEntryDir = 1<<1, /* a directory */
140 d23a617a 2004-03-15 devnull _VtEntryDepthShift = 2, /* shift for pointer depth */
141 d23a617a 2004-03-15 devnull _VtEntryDepthMask = 7<<2, /* mask for pointer depth */
142 97a5e5f2 2003-11-23 devnull VtEntryLocal = 1<<5, /* for local storage only */
146 97a5e5f2 2003-11-23 devnull VtEntrySize = 40,
148 97a5e5f2 2003-11-23 devnull struct VtEntry
150 97a5e5f2 2003-11-23 devnull ulong gen; /* generation number */
151 97a5e5f2 2003-11-23 devnull ushort psize; /* pointer block size */
152 97a5e5f2 2003-11-23 devnull ushort dsize; /* data block size */
153 97a5e5f2 2003-11-23 devnull uchar type;
154 97a5e5f2 2003-11-23 devnull uchar flags;
155 97a5e5f2 2003-11-23 devnull uvlong size;
156 97a5e5f2 2003-11-23 devnull uchar score[VtScoreSize];
159 97a5e5f2 2003-11-23 devnull void vtentrypack(VtEntry*, uchar*, int index);
160 97a5e5f2 2003-11-23 devnull int vtentryunpack(VtEntry*, uchar*, int index);
162 97a5e5f2 2003-11-23 devnull struct VtRoot
164 97a5e5f2 2003-11-23 devnull char name[128];
165 97a5e5f2 2003-11-23 devnull char type[128];
166 97a5e5f2 2003-11-23 devnull uchar score[VtScoreSize]; /* to a Dir block */
167 97a5e5f2 2003-11-23 devnull ushort blocksize; /* maximum block size */
168 97a5e5f2 2003-11-23 devnull uchar prev[VtScoreSize]; /* last root block */
173 97a5e5f2 2003-11-23 devnull VtRootSize = 300,
174 97a5e5f2 2003-11-23 devnull VtRootVersion = 2,
177 97a5e5f2 2003-11-23 devnull void vtrootpack(VtRoot*, uchar*);
178 97a5e5f2 2003-11-23 devnull int vtrootunpack(VtRoot*, uchar*);
181 97a5e5f2 2003-11-23 devnull * score of zero length block
183 97a5e5f2 2003-11-23 devnull extern uchar vtzeroscore[VtScoreSize];
186 97a5e5f2 2003-11-23 devnull * zero extend and truncate blocks
188 97a5e5f2 2003-11-23 devnull void vtzeroextend(int type, uchar *buf, uint n, uint nn);
189 97a5e5f2 2003-11-23 devnull uint vtzerotruncate(int type, uchar *buf, uint n);
192 97a5e5f2 2003-11-23 devnull * parse score: mungs s
194 d23a617a 2004-03-15 devnull int vtparsescore(char *s, char **prefix, uchar[VtScoreSize]);
197 97a5e5f2 2003-11-23 devnull * formatting
198 97a5e5f2 2003-11-23 devnull * other than noted, these formats all ignore
199 97a5e5f2 2003-11-23 devnull * the width and precision arguments, and all flags
201 97a5e5f2 2003-11-23 devnull * V a venti score
203 819822c9 2004-06-16 devnull #ifndef PLAN9PORT
204 819822c9 2004-06-16 devnull #pragma varargck type "V" uchar*
205 819822c9 2004-06-16 devnull #pragma varargck type "F" VtFcall*
208 97a5e5f2 2003-11-23 devnull int vtscorefmt(Fmt*);
211 97a5e5f2 2003-11-23 devnull * error-checking malloc et al.
213 97a5e5f2 2003-11-23 devnull void vtfree(void *);
214 97a5e5f2 2003-11-23 devnull void *vtmalloc(int);
215 97a5e5f2 2003-11-23 devnull void *vtmallocz(int);
216 97a5e5f2 2003-11-23 devnull void *vtrealloc(void *p, int);
217 97a5e5f2 2003-11-23 devnull void *vtbrk(int n);
218 97a5e5f2 2003-11-23 devnull char *vtstrdup(char *);
221 97a5e5f2 2003-11-23 devnull * Venti protocol
225 97a5e5f2 2003-11-23 devnull * Crypto strengths
229 97a5e5f2 2003-11-23 devnull VtCryptoStrengthNone,
230 97a5e5f2 2003-11-23 devnull VtCryptoStrengthAuth,
231 97a5e5f2 2003-11-23 devnull VtCryptoStrengthWeak,
232 97a5e5f2 2003-11-23 devnull VtCryptoStrengthStrong,
236 97a5e5f2 2003-11-23 devnull * Crypto suites
240 97a5e5f2 2003-11-23 devnull VtCryptoNone,
241 97a5e5f2 2003-11-23 devnull VtCryptoSSL3,
242 97a5e5f2 2003-11-23 devnull VtCryptoTLS1,
243 97a5e5f2 2003-11-23 devnull VtCryptoMax,
247 97a5e5f2 2003-11-23 devnull * Codecs
251 97a5e5f2 2003-11-23 devnull VtCodecNone,
252 97a5e5f2 2003-11-23 devnull VtCodecDeflate,
253 97a5e5f2 2003-11-23 devnull VtCodecThwack,
254 97a5e5f2 2003-11-23 devnull VtCodecMax
259 97a5e5f2 2003-11-23 devnull VtRerror = 1,
260 97a5e5f2 2003-11-23 devnull VtTping = 2,
261 97a5e5f2 2003-11-23 devnull VtRping,
262 97a5e5f2 2003-11-23 devnull VtThello = 4,
263 97a5e5f2 2003-11-23 devnull VtRhello,
264 97a5e5f2 2003-11-23 devnull VtTgoodbye = 6,
265 97a5e5f2 2003-11-23 devnull VtRgoodbye, /* not used */
266 97a5e5f2 2003-11-23 devnull VtTauth0 = 8,
267 97a5e5f2 2003-11-23 devnull VtRauth0,
268 97a5e5f2 2003-11-23 devnull VtTauth1 = 10,
269 97a5e5f2 2003-11-23 devnull VtRauth1,
270 97a5e5f2 2003-11-23 devnull VtTread = 12,
271 97a5e5f2 2003-11-23 devnull VtRread,
272 97a5e5f2 2003-11-23 devnull VtTwrite = 14,
273 97a5e5f2 2003-11-23 devnull VtRwrite,
274 97a5e5f2 2003-11-23 devnull VtTsync = 16,
275 97a5e5f2 2003-11-23 devnull VtRsync,
280 97a5e5f2 2003-11-23 devnull struct VtFcall
282 97a5e5f2 2003-11-23 devnull uchar type;
283 97a5e5f2 2003-11-23 devnull uchar tag;
285 97a5e5f2 2003-11-23 devnull char *error; /* Rerror */
287 97a5e5f2 2003-11-23 devnull char *version; /* Thello */
288 97a5e5f2 2003-11-23 devnull char *uid; /* Thello */
289 97a5e5f2 2003-11-23 devnull uchar strength; /* Thello */
290 97a5e5f2 2003-11-23 devnull uchar *crypto; /* Thello */
291 97a5e5f2 2003-11-23 devnull uint ncrypto; /* Thello */
292 97a5e5f2 2003-11-23 devnull uchar *codec; /* Thello */
293 97a5e5f2 2003-11-23 devnull uint ncodec; /* Thello */
294 97a5e5f2 2003-11-23 devnull char *sid; /* Rhello */
295 97a5e5f2 2003-11-23 devnull uchar rcrypto; /* Rhello */
296 97a5e5f2 2003-11-23 devnull uchar rcodec; /* Rhello */
297 97a5e5f2 2003-11-23 devnull uchar *auth; /* TauthX, RauthX */
298 97a5e5f2 2003-11-23 devnull uint nauth; /* TauthX, RauthX */
299 97a5e5f2 2003-11-23 devnull uchar score[VtScoreSize]; /* Tread, Rwrite */
300 97a5e5f2 2003-11-23 devnull uchar dtype; /* Tread, Twrite */
301 97a5e5f2 2003-11-23 devnull ushort count; /* Tread */
302 97a5e5f2 2003-11-23 devnull Packet *data; /* Rread, Twrite */
305 97a5e5f2 2003-11-23 devnull Packet *vtfcallpack(VtFcall*);
306 97a5e5f2 2003-11-23 devnull int vtfcallunpack(VtFcall*, Packet*);
307 97a5e5f2 2003-11-23 devnull void vtfcallclear(VtFcall*);
308 97a5e5f2 2003-11-23 devnull int vtfcallfmt(Fmt*);
312 97a5e5f2 2003-11-23 devnull VtStateAlloc,
313 97a5e5f2 2003-11-23 devnull VtStateConnected,
314 97a5e5f2 2003-11-23 devnull VtStateClosed,
317 97a5e5f2 2003-11-23 devnull struct VtConn
319 97a5e5f2 2003-11-23 devnull QLock lk;
320 97a5e5f2 2003-11-23 devnull QLock inlk;
321 97a5e5f2 2003-11-23 devnull QLock outlk;
322 97a5e5f2 2003-11-23 devnull int debug;
323 97a5e5f2 2003-11-23 devnull int infd;
324 97a5e5f2 2003-11-23 devnull int outfd;
325 97a5e5f2 2003-11-23 devnull int muxer;
326 97a5e5f2 2003-11-23 devnull void *writeq;
327 97a5e5f2 2003-11-23 devnull void *readq;
328 97a5e5f2 2003-11-23 devnull int state;
329 97a5e5f2 2003-11-23 devnull void *wait[256];
330 97a5e5f2 2003-11-23 devnull uint ntag;
331 97a5e5f2 2003-11-23 devnull uint nsleep;
332 97a5e5f2 2003-11-23 devnull Packet *part;
333 97a5e5f2 2003-11-23 devnull Rendez tagrend;
334 97a5e5f2 2003-11-23 devnull Rendez rpcfork;
335 97a5e5f2 2003-11-23 devnull char *version;
336 97a5e5f2 2003-11-23 devnull char *uid;
337 97a5e5f2 2003-11-23 devnull char *sid;
340 97a5e5f2 2003-11-23 devnull VtConn *vtconn(int infd, int outfd);
341 97a5e5f2 2003-11-23 devnull VtConn *vtdial(char*);
342 97a5e5f2 2003-11-23 devnull void vtfreeconn(VtConn*);
343 97a5e5f2 2003-11-23 devnull int vtsend(VtConn*, Packet*);
344 97a5e5f2 2003-11-23 devnull Packet *vtrecv(VtConn*);
345 97a5e5f2 2003-11-23 devnull int vtversion(VtConn *z);
346 97a5e5f2 2003-11-23 devnull void vtdebug(VtConn *z, char*, ...);
347 97a5e5f2 2003-11-23 devnull void vthangup(VtConn *z);
348 97a5e5f2 2003-11-23 devnull /* #pragma varargck argpos vtdebug 2 */
350 97a5e5f2 2003-11-23 devnull /* server */
351 97a5e5f2 2003-11-23 devnull typedef struct VtSrv VtSrv;
352 97a5e5f2 2003-11-23 devnull typedef struct VtReq VtReq;
353 97a5e5f2 2003-11-23 devnull struct VtReq
355 97a5e5f2 2003-11-23 devnull VtFcall tx;
356 97a5e5f2 2003-11-23 devnull VtFcall rx;
357 97a5e5f2 2003-11-23 devnull /* private */
358 97a5e5f2 2003-11-23 devnull VtSrv *srv;
359 97a5e5f2 2003-11-23 devnull void *sc;
362 97a5e5f2 2003-11-23 devnull int vtsrvhello(VtConn*);
363 97a5e5f2 2003-11-23 devnull VtSrv *vtlisten(char *addr);
364 97a5e5f2 2003-11-23 devnull VtReq *vtgetreq(VtSrv*);
365 97a5e5f2 2003-11-23 devnull void vtrespond(VtReq*);
367 97a5e5f2 2003-11-23 devnull /* client */
368 97a5e5f2 2003-11-23 devnull Packet *vtrpc(VtConn*, Packet*);
369 97a5e5f2 2003-11-23 devnull void vtrecvproc(void*); /* VtConn* */
370 97a5e5f2 2003-11-23 devnull void vtsendproc(void*); /* VtConn* */
372 97a5e5f2 2003-11-23 devnull int vtconnect(VtConn*);
373 97a5e5f2 2003-11-23 devnull int vthello(VtConn*);
374 97a5e5f2 2003-11-23 devnull int vtread(VtConn*, uchar score[VtScoreSize], uint type, uchar *buf, int n);
375 97a5e5f2 2003-11-23 devnull int vtwrite(VtConn*, uchar score[VtScoreSize], uint type, uchar *buf, int n);
376 97a5e5f2 2003-11-23 devnull Packet *vtreadpacket(VtConn*, uchar score[VtScoreSize], uint type, int n);
377 97a5e5f2 2003-11-23 devnull int vtwritepacket(VtConn*, uchar score[VtScoreSize], uint type, Packet *p);
378 97a5e5f2 2003-11-23 devnull int vtsync(VtConn*);
379 97a5e5f2 2003-11-23 devnull int vtping(VtConn*);
382 97a5e5f2 2003-11-23 devnull * Data blocks and block cache.
386 97a5e5f2 2003-11-23 devnull NilBlock = ~0,
389 97a5e5f2 2003-11-23 devnull typedef struct VtBlock VtBlock;
390 97a5e5f2 2003-11-23 devnull typedef struct VtCache VtCache;
392 97a5e5f2 2003-11-23 devnull struct VtBlock
394 97a5e5f2 2003-11-23 devnull VtCache *c;
395 97a5e5f2 2003-11-23 devnull QLock lk;
397 97a5e5f2 2003-11-23 devnull uchar *data;
398 97a5e5f2 2003-11-23 devnull uchar score[VtScoreSize];
399 97a5e5f2 2003-11-23 devnull uchar type; /* BtXXX */
401 97a5e5f2 2003-11-23 devnull /* internal to cache */
402 97a5e5f2 2003-11-23 devnull int nlock;
403 97a5e5f2 2003-11-23 devnull int iostate;
404 97a5e5f2 2003-11-23 devnull int ref;
405 97a5e5f2 2003-11-23 devnull u32int heap;
406 97a5e5f2 2003-11-23 devnull VtBlock *next;
407 97a5e5f2 2003-11-23 devnull VtBlock **prev;
408 97a5e5f2 2003-11-23 devnull u32int used;
409 97a5e5f2 2003-11-23 devnull u32int used2;
410 97a5e5f2 2003-11-23 devnull u32int addr;
412 97a5e5f2 2003-11-23 devnull /* internal to efile (HACK) */
413 97a5e5f2 2003-11-23 devnull int decrypted;
416 97a5e5f2 2003-11-23 devnull u32int vtglobaltolocal(uchar[VtScoreSize]);
417 97a5e5f2 2003-11-23 devnull void vtlocaltoglobal(u32int, uchar[VtScoreSize]);
419 97a5e5f2 2003-11-23 devnull VtCache *vtcachealloc(VtConn*, int blocksize, ulong nblocks, int mode);
420 97a5e5f2 2003-11-23 devnull void vtcachefree(VtCache*);
421 97a5e5f2 2003-11-23 devnull VtBlock *vtcachelocal(VtCache*, u32int addr, int type);
422 97a5e5f2 2003-11-23 devnull VtBlock *vtcacheglobal(VtCache*, uchar[VtScoreSize], int type);
423 97a5e5f2 2003-11-23 devnull VtBlock *vtcacheallocblock(VtCache*, int type);
424 b98ae9bf 2004-06-17 devnull void vtcachesetwrite(VtCache*, int(*)(VtConn*,uchar[VtScoreSize],uint,uchar*,int));
425 97a5e5f2 2003-11-23 devnull void vtblockput(VtBlock*);
426 97a5e5f2 2003-11-23 devnull u32int vtcacheblocksize(VtCache*);
427 97a5e5f2 2003-11-23 devnull int vtblockwrite(VtBlock*);
428 97a5e5f2 2003-11-23 devnull VtBlock *vtblockcopy(VtBlock*);
429 97a5e5f2 2003-11-23 devnull void vtblockduplock(VtBlock*);
430 d23a617a 2004-03-15 devnull int vtblockdirty(VtBlock*);
433 97a5e5f2 2003-11-23 devnull * Hash tree file tree.
435 97a5e5f2 2003-11-23 devnull typedef struct VtFile VtFile;
436 d23a617a 2004-03-15 devnull struct VtFile
438 d23a617a 2004-03-15 devnull QLock lk;
439 d23a617a 2004-03-15 devnull int ref;
440 d23a617a 2004-03-15 devnull int local;
441 d23a617a 2004-03-15 devnull VtBlock *b; /* block containing this file */
442 d23a617a 2004-03-15 devnull uchar score[VtScoreSize]; /* score of block containing this file */
444 d23a617a 2004-03-15 devnull /* immutable */
445 d23a617a 2004-03-15 devnull VtCache *c;
446 d23a617a 2004-03-15 devnull int mode;
447 d23a617a 2004-03-15 devnull u32int gen;
448 d23a617a 2004-03-15 devnull int dsize;
449 d23a617a 2004-03-15 devnull int dir;
450 d23a617a 2004-03-15 devnull VtFile *parent;
451 d23a617a 2004-03-15 devnull int epb; /* entries per block in parent */
452 d23a617a 2004-03-15 devnull u32int offset; /* entry offset in parent */
457 97a5e5f2 2003-11-23 devnull VtOREAD,
458 97a5e5f2 2003-11-23 devnull VtOWRITE,
459 97a5e5f2 2003-11-23 devnull VtORDWR,
460 97a5e5f2 2003-11-23 devnull VtOCREATE = 0x100,
463 97a5e5f2 2003-11-23 devnull VtFile *vtfileopenroot(VtCache*, VtEntry*);
464 97a5e5f2 2003-11-23 devnull VtFile *vtfilecreateroot(VtCache*, int psize, int dsize, int type);
465 97a5e5f2 2003-11-23 devnull VtFile *vtfileopen(VtFile*, u32int, int);
466 97a5e5f2 2003-11-23 devnull VtFile *vtfilecreate(VtFile*, int psize, int dsize, int dir);
467 97a5e5f2 2003-11-23 devnull VtBlock *vtfileblock(VtFile*, u32int, int mode);
468 97a5e5f2 2003-11-23 devnull long vtfileread(VtFile*, void*, long, vlong);
469 97a5e5f2 2003-11-23 devnull long vtfilewrite(VtFile*, void*, long, vlong);
470 97a5e5f2 2003-11-23 devnull int vtfileflush(VtFile*);
471 97a5e5f2 2003-11-23 devnull void vtfileincref(VtFile*);
472 97a5e5f2 2003-11-23 devnull void vtfileclose(VtFile*);
473 97a5e5f2 2003-11-23 devnull int vtfilegetentry(VtFile*, VtEntry*);
474 d23a617a 2004-03-15 devnull int vtfilesetentry(VtFile*, VtEntry*);
475 97a5e5f2 2003-11-23 devnull int vtfileblockscore(VtFile*, u32int, uchar[VtScoreSize]);
476 97a5e5f2 2003-11-23 devnull u32int vtfilegetdirsize(VtFile*);
477 97a5e5f2 2003-11-23 devnull int vtfilesetdirsize(VtFile*, u32int);
478 97a5e5f2 2003-11-23 devnull void vtfileunlock(VtFile*);
479 97a5e5f2 2003-11-23 devnull int vtfilelock(VtFile*, int);
480 97a5e5f2 2003-11-23 devnull int vtfilelock2(VtFile*, VtFile*, int);
481 97a5e5f2 2003-11-23 devnull int vtfileflushbefore(VtFile*, u64int);
482 d23a617a 2004-03-15 devnull int vtfiletruncate(VtFile*);
483 d23a617a 2004-03-15 devnull uvlong vtfilegetsize(VtFile*);
484 d23a617a 2004-03-15 devnull int vtfilesetsize(VtFile*, uvlong);
485 d23a617a 2004-03-15 devnull int vtfileremove(VtFile*);
487 a09e80f9 2004-05-23 devnull extern int chattyventi;
488 a09e80f9 2004-05-23 devnull extern int ventidoublechecksha1;
490 819822c9 2004-06-16 devnull #ifdef __cplusplus
