opdump.c revision 1.34
1/* $NetBSD: opdump.c,v 1.34 2010/07/11 12:29:08 pooka Exp $ */ 2 3/* 4 * Copyright (c) 2005, 2006 Antti Kantee. All Rights Reserved. 5 * 6 * Development of this software was supported by the 7 * Google Summer of Code program and the Ulla Tuominen Foundation. 8 * The Google SoC project was mentored by Bill Studenmund. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 20 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 25 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32/* Pretty-printing helper routines for VFS/VOP request contents */ 33 34/* yes, this is pretty much a mess */ 35 36#include <sys/cdefs.h> 37#if !defined(lint) 38__RCSID("$NetBSD: opdump.c,v 1.34 2010/07/11 12:29:08 pooka Exp $"); 39#endif /* !lint */ 40 41#include <sys/types.h> 42#include <sys/time.h> 43 44#include <puffs.h> 45#include <puffsdump.h> 46#include <stdio.h> 47 48#include "puffs_priv.h" 49 50#define DINT " " 51 52const char *puffsdump_vfsop_revmap[] = { 53 "PUFFS_VFS_MOUNT", 54 "PUFFS_VFS_START", 55 "PUFFS_VFS_UNMOUNT", 56 "PUFFS_VFS_ROOT", 57 "PUFFS_VFS_QUOTACTL", 58 "PUFFS_VFS_STATVFS", 59 "PUFFS_VFS_SYNC", 60 "PUFFS_VFS_VGET", 61 "PUFFS_VFS_FHTOVP", 62 "PUFFS_VFS_VPTOFH", 63 "PUFFS_VFS_INIT", 64 "PUFFS_VFS_DONE", 65 "PUFFS_VFS_SNAPSHOT", 66 "PUFFS_VFS_EXTATTRCTL", 67 "PUFFS_VFS_SUSPEND" 68}; 69size_t puffsdump_vfsop_count = __arraycount(puffsdump_vfsop_revmap); 70 71const char *puffsdump_vnop_revmap[] = { 72 "PUFFS_VN_LOOKUP", 73 "PUFFS_VN_CREATE", 74 "PUFFS_VN_MKNOD", 75 "PUFFS_VN_OPEN", 76 "PUFFS_VN_CLOSE", 77 "PUFFS_VN_ACCESS", 78 "PUFFS_VN_GETATTR", 79 "PUFFS_VN_SETATTR", 80 "PUFFS_VN_READ", 81 "PUFFS_VN_WRITE", 82 "PUFFS_VN_IOCTL", 83 "PUFFS_VN_FCNTL", 84 "PUFFS_VN_POLL", 85 "PUFFS_VN_KQFILTER", 86 "PUFFS_VN_REVOKE", 87 "PUFFS_VN_MMAP", 88 "PUFFS_VN_FSYNC", 89 "PUFFS_VN_SEEK", 90 "PUFFS_VN_REMOVE", 91 "PUFFS_VN_LINK", 92 "PUFFS_VN_RENAME", 93 "PUFFS_VN_MKDIR", 94 "PUFFS_VN_RMDIR", 95 "PUFFS_VN_SYMLINK", 96 "PUFFS_VN_READDIR", 97 "PUFFS_VN_READLINK", 98 "PUFFS_VN_ABORTOP", 99 "PUFFS_VN_INACTIVE", 100 "PUFFS_VN_RECLAIM", 101 "PUFFS_VN_LOCK", 102 "PUFFS_VN_UNLOCK", 103 "PUFFS_VN_BMAP", 104 "PUFFS_VN_STRATEGY", 105 "PUFFS_VN_PRINT", 106 "PUFFS_VN_ISLOCKED", 107 "PUFFS_VN_PATHCONF", 108 "PUFFS_VN_ADVLOCK", 109 "PUFFS_VN_LEASE", 110 "PUFFS_VN_WHITEOUT", 111 "PUFFS_VN_GETPAGES", 112 "PUFFS_VN_PUTPAGES", 113 "PUFFS_VN_GETEXTATTR", 114 "PUFFS_VN_LISTEXTATTR", 115 "PUFFS_VN_OPENEXTATTR", 116 "PUFFS_VN_DELETEEXTATTR", 117 "PUFFS_VN_SETEXTATTR", 118 "PUFFS_VN_CLOSEEXTATTR", 119}; 120size_t puffsdump_vnop_count = __arraycount(puffsdump_vnop_revmap); 121 122/* XXX! */ 123const char *puffsdump_cacheop_revmap[] = { 124 "PUFFS_CACHE_WRITE" 125}; 126 127const char *puffsdump_errnot_revmap[] = { 128 "PUFFS_ERR_ERROR", 129 "PUFFS_ERR_MAKENODE", 130 "PUFFS_ERR_LOOKUP", 131 "PUFFS_ERR_READDIR", 132 "PUFFS_ERR_READLINK", 133 "PUFFS_ERR_READ", 134 "PUFFS_ERR_WRITE", 135 "PUFFS_ERR_VPTOFH", 136 "PUFFS_ERR_GETEXTATTR", 137 "PUFFS_ERR_LISTEXTATTR", 138}; 139size_t puffsdump_errnot_count = __arraycount(puffsdump_errnot_revmap); 140 141const char *puffsdump_flush_revmap[] = { 142 "PUFFS_INVAL_NAMECACHE_NODE", 143 "PUFFS_INVAL_NAMECACHE_DIR", 144 "PUFFS_INVAL_NAMECACHE_ALL", 145 "PUFFS_INVAL_PAGECACHE_NODE_RANGE", 146 "PUFFS_FLUSH_PAGECACHE_NODE_RANGE", 147}; 148size_t puffsdump_flush_count = __arraycount(puffsdump_flush_revmap); 149 150void 151puffsdump_req(struct puffs_req *preq) 152{ 153 char buf[128]; 154 static struct timeval tv_prev; 155 struct timeval tv_now, tv; 156 const char **map; 157 const char *optype; 158 size_t maxhandle; 159 int opclass, isvn = 0; 160 161 printf("reqid: %" PRIu64 ", ", preq->preq_id); 162 opclass = PUFFSOP_OPCLASS(preq->preq_opclass); 163 switch (opclass) { 164 case PUFFSOP_VFS: 165 map = puffsdump_vfsop_revmap; 166 maxhandle = puffsdump_vfsop_count; 167 break; 168 case PUFFSOP_VN: 169 map = puffsdump_vnop_revmap; 170 maxhandle = puffsdump_vnop_count; 171 isvn = 1; 172 break; 173 case PUFFSOP_CACHE: 174 map = puffsdump_cacheop_revmap; 175 maxhandle = __arraycount(puffsdump_cacheop_revmap); 176 break; 177 case PUFFSOP_ERROR: 178 map = puffsdump_errnot_revmap; 179 maxhandle = puffsdump_errnot_count; 180 break; 181 case PUFFSOP_FLUSH: 182 map = puffsdump_flush_revmap; 183 maxhandle = puffsdump_flush_count; 184 break; 185 default: 186 printf("unhandled opclass %d\n", opclass); 187 return; 188 } 189 190 if (preq->preq_optype < maxhandle) { 191 optype = map[preq->preq_optype]; 192 } else { 193 snprintf(buf, sizeof(buf), "UNKNOWN (%d)", preq->preq_optype); 194 optype = buf; 195 } 196 197 printf("opclass %d%s, optype: %s, " 198 "cookie: %p,\n" DINT "aux: %p, auxlen: %zu, pid: %d, lwpid: %d\n", 199 opclass, PUFFSOP_WANTREPLY(preq->preq_opclass) ? "" : " (FAF)", 200 optype, preq->preq_cookie, 201 preq->preq_buf, preq->preq_buflen, 202 preq->preq_pid, preq->preq_lid); 203 204 if (isvn) { 205 switch (preq->preq_optype) { 206 case PUFFS_VN_LOOKUP: 207 puffsdump_lookup(preq); 208 break; 209 case PUFFS_VN_READ: 210 case PUFFS_VN_WRITE: 211 puffsdump_readwrite(preq); 212 break; 213 case PUFFS_VN_OPEN: 214 puffsdump_open(preq); 215 break; 216 case PUFFS_VN_REMOVE: 217 case PUFFS_VN_RMDIR: 218 case PUFFS_VN_LINK: 219 puffsdump_targ(preq); 220 break; 221 case PUFFS_VN_READDIR: 222 puffsdump_readdir(preq); 223 break; 224 case PUFFS_VN_CREATE: 225 case PUFFS_VN_MKDIR: 226 case PUFFS_VN_MKNOD: 227 case PUFFS_VN_SYMLINK: 228 puffsdump_create(preq); 229 break; 230 case PUFFS_VN_SETATTR: 231 puffsdump_attr(preq); 232 break; 233 default: 234 break; 235 } 236 } 237 238 PU_LOCK(); 239 gettimeofday(&tv_now, NULL); 240 timersub(&tv_now, &tv_prev, &tv); 241 printf(DINT "since previous call: %lld.%06ld\n", 242 (long long)tv.tv_sec, (long)tv.tv_usec); 243 gettimeofday(&tv_prev, NULL); 244 PU_UNLOCK(); 245} 246 247void 248puffsdump_rv(struct puffs_req *preq) 249{ 250 251 if (PUFFSOP_OPCLASS(preq->preq_opclass) == PUFFSOP_VN) { 252 switch (preq->preq_optype) { 253 case PUFFS_VN_LOOKUP: 254 puffsdump_lookup_rv(preq); 255 break; 256 case PUFFS_VN_CREATE: 257 case PUFFS_VN_MKDIR: 258 case PUFFS_VN_MKNOD: 259 case PUFFS_VN_SYMLINK: 260 puffsdump_create_rv(preq); 261 break; 262 case PUFFS_VN_READ: 263 case PUFFS_VN_WRITE: 264 puffsdump_readwrite_rv(preq); 265 break; 266 case PUFFS_VN_READDIR: 267 puffsdump_readdir_rv(preq); 268 break; 269 case PUFFS_VN_GETATTR: 270 puffsdump_attr(preq); 271 break; 272 default: 273 break; 274 } 275 } 276 277 printf("RV reqid: %" PRIu64 ", result: %d %s\n", 278 preq->preq_id, preq->preq_rv, 279 preq->preq_rv ? strerror(preq->preq_rv) : ""); 280} 281 282/* 283 * Slightly tedious print-routine so that we get a nice NOVAL instead 284 * of some tedious output representations for -1, especially (uint64_t)-1 285 * 286 * We use typecasting to make this work beyond time_t/dev_t size changes. 287 */ 288static void 289dumpattr(struct vattr *vap) 290{ 291 const char * const vtypes[] = { VNODE_TYPES }; 292 char buf[128]; 293 294/* XXX: better readability. and this is debug, so no cycle-sweat */ 295#define DEFAULTBUF() snprintf(buf, sizeof(buf), "NOVAL") 296 297 printf(DINT "vattr:\n"); 298 printf(DINT DINT "type: %s, ", vtypes[vap->va_type]); 299 300 DEFAULTBUF(); 301 if (vap->va_mode != (mode_t)PUFFS_VNOVAL) 302 snprintf(buf, sizeof(buf), "0%o", vap->va_mode); 303 printf("mode: %s, ", buf); 304 305 DEFAULTBUF(); 306 if (vap->va_nlink != (nlink_t)PUFFS_VNOVAL) 307 snprintf(buf, sizeof(buf), "%d", vap->va_nlink); 308 printf("nlink: %s, ", buf); 309 310 DEFAULTBUF(); 311 if (vap->va_uid != (uid_t)PUFFS_VNOVAL) 312 snprintf(buf, sizeof(buf), "%d", vap->va_uid); 313 printf("uid: %s, ", buf); 314 315 DEFAULTBUF(); 316 if (vap->va_gid != (gid_t)PUFFS_VNOVAL) 317 snprintf(buf, sizeof(buf), "%d", vap->va_gid); 318 printf("gid: %s\n", buf); 319 320 DEFAULTBUF(); 321 if ((unsigned long long)vap->va_fsid!=(unsigned long long)PUFFS_VNOVAL) 322 snprintf(buf, sizeof(buf), "0x%llx", 323 (unsigned long long)vap->va_fsid); 324 printf(DINT DINT "fsid: %s, ", buf); 325 326 DEFAULTBUF(); 327 if (vap->va_fileid != (ino_t)PUFFS_VNOVAL) 328 snprintf(buf, sizeof(buf), "%" PRIu64, vap->va_fileid); 329 printf("ino: %s, ", buf); 330 331 DEFAULTBUF(); 332 if (vap->va_size != (u_quad_t)PUFFS_VNOVAL) 333 snprintf(buf, sizeof(buf), "%" PRIu64, vap->va_size); 334 printf("size: %s, ", buf); 335 336 DEFAULTBUF(); 337 if (vap->va_blocksize != (long)PUFFS_VNOVAL) 338 snprintf(buf, sizeof(buf), "%ld", vap->va_blocksize); 339 printf("bsize: %s\n", buf); 340 341 DEFAULTBUF(); 342 if (vap->va_atime.tv_sec != (time_t)PUFFS_VNOVAL) 343 snprintf(buf, sizeof(buf), "%lld", 344 (long long)vap->va_atime.tv_sec); 345 printf(DINT DINT "a.s: %s, ", buf); 346 347 DEFAULTBUF(); 348 if (vap->va_atime.tv_nsec != (long)PUFFS_VNOVAL) 349 snprintf(buf, sizeof(buf), "%ld", vap->va_atime.tv_nsec); 350 printf("a.ns: %s, ", buf); 351 352 DEFAULTBUF(); 353 if (vap->va_mtime.tv_sec != (time_t)PUFFS_VNOVAL) 354 snprintf(buf, sizeof(buf), "%lld", 355 (long long)vap->va_mtime.tv_sec); 356 printf("m.s: %s, ", buf); 357 358 DEFAULTBUF(); 359 if (vap->va_mtime.tv_nsec != (long)PUFFS_VNOVAL) 360 snprintf(buf, sizeof(buf), "%ld", vap->va_mtime.tv_nsec); 361 printf("m.ns: %s\n", buf); 362 363 DEFAULTBUF(); 364 if (vap->va_ctime.tv_sec != (time_t)PUFFS_VNOVAL) 365 snprintf(buf, sizeof(buf), "%lld", 366 (long long)vap->va_ctime.tv_sec); 367 printf(DINT DINT "c.s: %s, ", buf); 368 369 DEFAULTBUF(); 370 if (vap->va_ctime.tv_nsec != (long)PUFFS_VNOVAL) 371 snprintf(buf, sizeof(buf), "%ld", vap->va_ctime.tv_nsec); 372 printf("c.ns: %s, ", buf); 373 374 DEFAULTBUF(); 375 if (vap->va_birthtime.tv_sec != (time_t)PUFFS_VNOVAL) 376 snprintf(buf, sizeof(buf), "%lld", 377 (long long)vap->va_birthtime.tv_sec); 378 printf("b.s: %s, ", buf); 379 380 DEFAULTBUF(); 381 if (vap->va_birthtime.tv_nsec != (long)PUFFS_VNOVAL) 382 snprintf(buf, sizeof(buf), "%ld", vap->va_birthtime.tv_nsec); 383 printf("b.ns: %s\n", buf); 384 385 DEFAULTBUF(); 386 if (vap->va_gen != (u_long)PUFFS_VNOVAL) 387 snprintf(buf, sizeof(buf), "%lu", vap->va_gen); 388 printf(DINT DINT "gen: %s, ", buf); 389 390 DEFAULTBUF(); 391 if (vap->va_flags != (u_long)PUFFS_VNOVAL) 392 snprintf(buf, sizeof(buf), "0x%lx", vap->va_flags); 393 printf("flags: %s, ", buf); 394 395 DEFAULTBUF(); 396 if (vap->va_rdev != (dev_t)PUFFS_VNOVAL) 397 snprintf(buf, sizeof(buf), "0x%llx", 398 (unsigned long long)vap->va_rdev); 399 printf("rdev: %s\n", buf); 400 401 DEFAULTBUF(); 402 if (vap->va_bytes != (u_quad_t)PUFFS_VNOVAL) 403 snprintf(buf, sizeof(buf), "%" PRIu64, vap->va_bytes); 404 printf(DINT DINT "bytes: %s, ", buf); 405 406 snprintf(buf, sizeof(buf), "%" PRIu64, vap->va_filerev); 407 printf("filerev: %s, ", buf); 408 409 snprintf(buf, sizeof(buf), "0x%x", vap->va_vaflags); 410 printf("vaflags: %s\n", buf); 411} 412 413void 414puffsdump_cookie(puffs_cookie_t c, const char *cookiename) 415{ 416 417 printf("%scookie: at %p\n", cookiename, c); 418} 419 420static const char *cn_opnames[] = { 421 "LOOKUP", 422 "CREATE", 423 "DELETE", 424 "RENAME" 425}; 426 427void 428puffsdump_cn(struct puffs_kcn *pkcn) 429{ 430 431 printf(DINT "puffs_cn: \"%s\", len %zu op %s (flags 0x%x)\n", 432 pkcn->pkcn_name, pkcn->pkcn_namelen, 433 cn_opnames[pkcn->pkcn_nameiop & NAMEI_OPMASK], 434 pkcn->pkcn_flags); 435} 436 437void 438puffsdump_lookup(struct puffs_req *preq) 439{ 440 struct puffs_vnmsg_lookup *lookup_msg = (void *)preq; 441 442 puffsdump_cn(&lookup_msg->pvnr_cn); 443} 444 445void 446puffsdump_lookup_rv(struct puffs_req *preq) 447{ 448 struct puffs_vnmsg_lookup *lookup_msg = (void *)preq; 449 450 printf(DINT "new %p, type 0x%x, size 0x%"PRIu64", dev 0x%llx\n", 451 lookup_msg->pvnr_newnode, lookup_msg->pvnr_vtype, 452 lookup_msg->pvnr_size, (unsigned long long)lookup_msg->pvnr_rdev); 453} 454 455void 456puffsdump_create(struct puffs_req *preq) 457{ 458 /* XXX: wrong type, but we know it fits the slot */ 459 struct puffs_vnmsg_create *create_msg = (void *)preq; 460 461 dumpattr(&create_msg->pvnr_va); 462} 463 464void 465puffsdump_create_rv(struct puffs_req *preq) 466{ 467 /* XXX: wrong type, but we know it fits the slot */ 468 struct puffs_vnmsg_create *create_msg = (void *)preq; 469 470 printf(DINT "new %p\n", create_msg->pvnr_newnode); 471} 472 473void 474puffsdump_readwrite(struct puffs_req *preq) 475{ 476 struct puffs_vnmsg_rw *rw_msg = (void *)preq; 477 478 printf(DINT "offset: %" PRId64 ", resid %zu, ioflag 0x%x\n", 479 rw_msg->pvnr_offset, rw_msg->pvnr_resid, rw_msg->pvnr_ioflag); 480} 481 482void 483puffsdump_readwrite_rv(struct puffs_req *preq) 484{ 485 struct puffs_vnmsg_rw *rw_msg = (void *)preq; 486 487 printf(DINT "resid after op: %zu\n", rw_msg->pvnr_resid); 488} 489 490void 491puffsdump_readdir_rv(struct puffs_req *preq) 492{ 493 struct puffs_vnmsg_readdir *readdir_msg = (void *)preq; 494 495 printf(DINT "resid after op: %zu, eofflag %d\n", 496 readdir_msg->pvnr_resid, readdir_msg->pvnr_eofflag); 497} 498 499void 500puffsdump_open(struct puffs_req *preq) 501{ 502 struct puffs_vnmsg_open *open_msg = (void *)preq; 503 504 printf(DINT "mode: 0x%x\n", open_msg->pvnr_mode); 505} 506 507void 508puffsdump_targ(struct puffs_req *preq) 509{ 510 struct puffs_vnmsg_remove *remove_msg = (void *)preq; /* XXX! */ 511 512 printf(DINT "target cookie: %p\n", remove_msg->pvnr_cookie_targ); 513} 514 515void 516puffsdump_readdir(struct puffs_req *preq) 517{ 518 struct puffs_vnmsg_readdir *readdir_msg = (void *)preq; 519 520 printf(DINT "read offset: %" PRId64 "\n", readdir_msg->pvnr_offset); 521} 522 523void 524puffsdump_attr(struct puffs_req *preq) 525{ 526 struct puffs_vnmsg_setgetattr *attr_msg = (void *)preq; 527 528 dumpattr(&attr_msg->pvnr_va); 529} 530