puffs.h revision 1.47
1 /* $NetBSD: puffs.h,v 1.47 2007/04/19 14:45:03 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 * 3. The name of the company nor the name of the author may be used to 19 * endorse or promote products derived from this software without specific 20 * prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 23 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef _PUFFS_H_ 36 #define _PUFFS_H_ 37 38 #include <sys/param.h> 39 #include <sys/types.h> 40 #include <sys/mount.h> 41 #include <sys/stat.h> 42 #include <sys/statvfs.h> 43 #include <sys/vnode.h> 44 45 #include <fs/puffs/puffs_msgif.h> 46 47 #include <mntopts.h> 48 #include <string.h> 49 50 /* forwards */ 51 struct puffs_cc; 52 53 struct puffs_getreq; 54 struct puffs_putreq; 55 56 /* paths */ 57 struct puffs_pathobj { 58 void *po_path; 59 size_t po_len; 60 }; 61 62 /* for prefix rename */ 63 struct puffs_pathinfo { 64 struct puffs_pathobj *pi_old; 65 struct puffs_pathobj *pi_new; 66 }; 67 68 /* describes one segment cached in the kernel */ 69 struct puffs_kcache { 70 off_t pkc_start; 71 off_t pkc_end; 72 73 LIST_ENTRY(puffs_kcache) pkc_entries; 74 }; 75 76 /* XXX: might disappear from here into a private header */ 77 struct puffs_node { 78 off_t pn_size; 79 int pn_flag; 80 struct vattr pn_va; 81 82 void *pn_data; /* private data */ 83 84 struct puffs_pathobj pn_po; /* PUFFS_FLAG_BUILDPATH */ 85 86 struct puffs_usermount *pn_mnt; 87 LIST_ENTRY(puffs_node) pn_entries; 88 89 LIST_HEAD(,puffs_kcache)pn_cacheinfo; /* PUFFS_KFLAG_CACHE */ 90 }; 91 92 93 struct puffs_usermount; 94 95 /* 96 * megaXXX: these are values from inside _KERNEL 97 * need to work on the translation for ALL the necessary values. 98 */ 99 #define PUFFS_VNOVAL (-1) 100 #define PUFFS_IO_APPEND 0x20 101 #define PUFFS_VEXEC 01 102 #define PUFFS_VWRITE 02 103 #define PUFFS_VREAD 04 104 105 #define PUFFS_FSYNC_DATAONLY 0x0002 106 #define PUFFS_FSYNC_CACHE 0x0100 107 108 /* 109 * Magic constants 110 */ 111 #define PUFFS_CC_STACKSIZE_DEFAULT (1024*1024) 112 113 struct puffs_cn { 114 struct puffs_kcn *pcn_pkcnp; /* kernel input */ 115 struct puffs_pathobj pcn_po_full; /* PUFFS_FLAG_BUILDPATH */ 116 }; 117 #define pcn_nameiop pcn_pkcnp->pkcn_nameiop 118 #define pcn_flags pcn_pkcnp->pkcn_flags 119 #define pcn_pid pcn_pkcnp->pkcn_pid 120 #define pcn_cred pcn_pkcnp->pkcn_cred 121 #define pcn_name pcn_pkcnp->pkcn_name 122 #define pcn_namelen pcn_pkcnp->pkcn_namelen 123 124 /* 125 * Puffs options to mount 126 */ 127 /* kernel */ 128 #define PUFFSMOPT_CACHE { "cache", 1, PUFFS_KFLAG_NOCACHE, 1 } 129 #define PUFFSMOPT_ALLOPS { "allops", 0, PUFFS_KFLAG_ALLOPS, 1 } 130 131 /* libpuffs */ 132 #define PUFFSMOPT_DUMP { "dump", 0, PUFFS_FLAG_OPDUMP, 1 } 133 134 #define PUFFSMOPT_STD \ 135 PUFFSMOPT_CACHE, \ 136 PUFFSMOPT_ALLOPS, \ 137 PUFFSMOPT_DUMP 138 139 extern const struct mntopt puffsmopts[]; /* puffs.c */ 140 141 /* callbacks for operations */ 142 struct puffs_ops { 143 int (*puffs_fs_unmount)(struct puffs_cc *, int, pid_t); 144 int (*puffs_fs_statvfs)(struct puffs_cc *, 145 struct statvfs *, pid_t); 146 int (*puffs_fs_sync)(struct puffs_cc *, int, 147 const struct puffs_cred *, pid_t); 148 int (*puffs_fs_fhtonode)(struct puffs_cc *, void *, size_t, 149 void **, enum vtype *, voff_t *, dev_t *); 150 int (*puffs_fs_nodetofh)(struct puffs_cc *, void *cookie, 151 void *, size_t *); 152 void (*puffs_fs_suspend)(struct puffs_cc *, int); 153 154 int (*puffs_node_lookup)(struct puffs_cc *, 155 void *, void **, enum vtype *, voff_t *, dev_t *, 156 const struct puffs_cn *); 157 int (*puffs_node_create)(struct puffs_cc *, 158 void *, void **, const struct puffs_cn *, const struct vattr *); 159 int (*puffs_node_mknod)(struct puffs_cc *, 160 void *, void **, const struct puffs_cn *, const struct vattr *); 161 int (*puffs_node_open)(struct puffs_cc *, 162 void *, int, const struct puffs_cred *, pid_t); 163 int (*puffs_node_close)(struct puffs_cc *, 164 void *, int, const struct puffs_cred *, pid_t); 165 int (*puffs_node_access)(struct puffs_cc *, 166 void *, int, const struct puffs_cred *, pid_t); 167 int (*puffs_node_getattr)(struct puffs_cc *, 168 void *, struct vattr *, const struct puffs_cred *, pid_t); 169 int (*puffs_node_setattr)(struct puffs_cc *, 170 void *, const struct vattr *, const struct puffs_cred *, pid_t); 171 int (*puffs_node_poll)(struct puffs_cc *, 172 void *, struct puffs_vnreq_poll *); 173 int (*puffs_node_mmap)(struct puffs_cc *, 174 void *, int, const struct puffs_cred *, pid_t); 175 int (*puffs_node_fsync)(struct puffs_cc *, 176 void *, const struct puffs_cred *, int, off_t, off_t, pid_t); 177 int (*puffs_node_seek)(struct puffs_cc *, 178 void *, off_t, off_t, const struct puffs_cred *); 179 int (*puffs_node_remove)(struct puffs_cc *, 180 void *, void *, const struct puffs_cn *); 181 int (*puffs_node_link)(struct puffs_cc *, 182 void *, void *, const struct puffs_cn *); 183 int (*puffs_node_rename)(struct puffs_cc *, 184 void *, void *, const struct puffs_cn *, void *, void *, 185 const struct puffs_cn *); 186 int (*puffs_node_mkdir)(struct puffs_cc *, 187 void *, void **, const struct puffs_cn *, const struct vattr *); 188 int (*puffs_node_rmdir)(struct puffs_cc *, 189 void *, void *, const struct puffs_cn *); 190 int (*puffs_node_symlink)(struct puffs_cc *, 191 void *, void **, const struct puffs_cn *, const struct vattr *, 192 const char *); 193 int (*puffs_node_readdir)(struct puffs_cc *, 194 void *, struct dirent *, off_t *, size_t *, 195 const struct puffs_cred *, int *, off_t *, size_t *); 196 int (*puffs_node_readlink)(struct puffs_cc *, 197 void *, const struct puffs_cred *, char *, size_t *); 198 int (*puffs_node_reclaim)(struct puffs_cc *, 199 void *, pid_t); 200 int (*puffs_node_inactive)(struct puffs_cc *, 201 void *, pid_t, int *); 202 int (*puffs_node_print)(struct puffs_cc *, 203 void *); 204 int (*puffs_node_pathconf)(struct puffs_cc *, 205 void *, int, int *); 206 int (*puffs_node_advlock)(struct puffs_cc *, 207 void *, void *, int, struct flock *, int); 208 int (*puffs_node_getextattr)(struct puffs_cc *, 209 void *, struct puffs_vnreq_getextattr *); 210 int (*puffs_node_setextattr)(struct puffs_cc *, 211 void *, struct puffs_vnreq_setextattr *); 212 int (*puffs_node_listextattr)(struct puffs_cc *, 213 void *, struct puffs_vnreq_listextattr *); 214 int (*puffs_node_read)(struct puffs_cc *, void *, 215 uint8_t *, off_t, size_t *, const struct puffs_cred *, int); 216 int (*puffs_node_write)(struct puffs_cc *, void *, 217 uint8_t *, off_t, size_t *, const struct puffs_cred *, int); 218 219 int (*puffs_cache_write)(struct puffs_usermount *, 220 void *, size_t, struct puffs_cacherun *); 221 }; 222 223 typedef int (*pu_pathbuild_fn)(struct puffs_usermount *, 224 const struct puffs_pathobj *, 225 const struct puffs_pathobj *, size_t, 226 struct puffs_pathobj *); 227 typedef int (*pu_pathtransform_fn)(struct puffs_usermount *, 228 const struct puffs_pathobj *, 229 const struct puffs_cn *, 230 struct puffs_pathobj *); 231 typedef int (*pu_pathcmp_fn)(struct puffs_usermount *, struct puffs_pathobj *, 232 struct puffs_pathobj *, size_t, int); 233 typedef void (*pu_pathfree_fn)(struct puffs_usermount *, 234 struct puffs_pathobj *); 235 typedef int (*pu_namemod_fn)(struct puffs_usermount *, 236 struct puffs_pathobj *, struct puffs_cn *); 237 238 enum { 239 PUFFS_STATE_BEFOREMOUNT, 240 PUFFS_STATE_MOUNTING, PUFFS_STATE_RUNNING, 241 PUFFS_STATE_UNMOUNTING, PUFFS_STATE_UNMOUNTED 242 }; 243 244 #define PUFFS_FLAG_KERN(a) ((a) & 0x0000ffff) 245 #define PUFFS_FLAG_LIB(a) ((a) & 0xffff0000) 246 247 #define PUFFS_FLAG_BUILDPATH 0x80000000 /* node paths in pnode */ 248 #define PUFFS_FLAG_OPDUMP 0x40000000 /* dump all operations */ 249 250 /* blocking mode argument */ 251 #define PUFFSDEV_BLOCK 0 252 #define PUFFSDEV_NONBLOCK 1 253 254 /* mainloop flags */ 255 #define PUFFSLOOP_NODAEMON 0x01 256 257 #define DENT_DOT 0 258 #define DENT_DOTDOT 1 259 #define DENT_ADJ(a) ((a)-2) /* nth request means dir's n-2th */ 260 261 262 /* 263 * protos 264 */ 265 266 #define PUFFSOP_PROTOS(fsname) \ 267 int fsname##_fs_mount(struct puffs_usermount *, void **, \ 268 struct statvfs *); \ 269 int fsname##_fs_unmount(struct puffs_cc *, int, pid_t); \ 270 int fsname##_fs_statvfs(struct puffs_cc *, \ 271 struct statvfs *, pid_t); \ 272 int fsname##_fs_sync(struct puffs_cc *, int, \ 273 const struct puffs_cred *cred, pid_t); \ 274 int fsname##_fs_fhtonode(struct puffs_cc *, void *, size_t, \ 275 void **, enum vtype *, voff_t *, dev_t *); \ 276 int fsname##_fs_nodetofh(struct puffs_cc *, void *cookie, \ 277 void *, size_t *); \ 278 void fsname##_fs_suspend(struct puffs_cc *, int); \ 279 \ 280 int fsname##_node_lookup(struct puffs_cc *, \ 281 void *, void **, enum vtype *, voff_t *, dev_t *, \ 282 const struct puffs_cn *); \ 283 int fsname##_node_create(struct puffs_cc *, \ 284 void *, void **, const struct puffs_cn *, \ 285 const struct vattr *); \ 286 int fsname##_node_mknod(struct puffs_cc *, \ 287 void *, void **, const struct puffs_cn *, \ 288 const struct vattr *); \ 289 int fsname##_node_open(struct puffs_cc *, \ 290 void *, int, const struct puffs_cred *, pid_t); \ 291 int fsname##_node_close(struct puffs_cc *, \ 292 void *, int, const struct puffs_cred *, pid_t); \ 293 int fsname##_node_access(struct puffs_cc *, \ 294 void *, int, const struct puffs_cred *, pid_t); \ 295 int fsname##_node_getattr(struct puffs_cc *, \ 296 void *, struct vattr *, const struct puffs_cred *, pid_t); \ 297 int fsname##_node_setattr(struct puffs_cc *, \ 298 void *, const struct vattr *, const struct puffs_cred *, \ 299 pid_t); \ 300 int fsname##_node_poll(struct puffs_cc *, \ 301 void *, struct puffs_vnreq_poll *); \ 302 int fsname##_node_mmap(struct puffs_cc *, \ 303 void *, int, const struct puffs_cred *, pid_t); \ 304 int fsname##_node_fsync(struct puffs_cc *, \ 305 void *, const struct puffs_cred *, int, off_t, off_t, \ 306 pid_t); \ 307 int fsname##_node_seek(struct puffs_cc *, \ 308 void *, off_t, off_t, const struct puffs_cred *); \ 309 int fsname##_node_remove(struct puffs_cc *, \ 310 void *, void *, const struct puffs_cn *); \ 311 int fsname##_node_link(struct puffs_cc *, \ 312 void *, void *, const struct puffs_cn *); \ 313 int fsname##_node_rename(struct puffs_cc *, \ 314 void *, void *, const struct puffs_cn *, void *, void *, \ 315 const struct puffs_cn *); \ 316 int fsname##_node_mkdir(struct puffs_cc *, \ 317 void *, void **, const struct puffs_cn *, \ 318 const struct vattr *); \ 319 int fsname##_node_rmdir(struct puffs_cc *, \ 320 void *, void *, const struct puffs_cn *); \ 321 int fsname##_node_symlink(struct puffs_cc *, \ 322 void *, void **, const struct puffs_cn *, \ 323 const struct vattr *, const char *); \ 324 int fsname##_node_readdir(struct puffs_cc *, \ 325 void *, struct dirent *, off_t *, size_t *, \ 326 const struct puffs_cred *, int *, off_t *, size_t *); \ 327 int fsname##_node_readlink(struct puffs_cc *, \ 328 void *, const struct puffs_cred *, char *, size_t *); \ 329 int fsname##_node_reclaim(struct puffs_cc *, \ 330 void *, pid_t); \ 331 int fsname##_node_inactive(struct puffs_cc *, \ 332 void *, pid_t, int *); \ 333 int fsname##_node_print(struct puffs_cc *, \ 334 void *); \ 335 int fsname##_node_pathconf(struct puffs_cc *, \ 336 void *, int, int *); \ 337 int fsname##_node_advlock(struct puffs_cc *, \ 338 void *, void *, int, struct flock *, int); \ 339 int fsname##_node_getextattr(struct puffs_cc *, \ 340 void *, struct puffs_vnreq_getextattr *); \ 341 int fsname##_node_setextattr(struct puffs_cc *, \ 342 void *, struct puffs_vnreq_setextattr *); \ 343 int fsname##_node_listextattr(struct puffs_cc *, \ 344 void *, struct puffs_vnreq_listextattr *); \ 345 int fsname##_node_read(struct puffs_cc *, void *, \ 346 uint8_t *, off_t, size_t *, const struct puffs_cred *, int);\ 347 int fsname##_node_write(struct puffs_cc *, void *, \ 348 uint8_t *, off_t, size_t *, const struct puffs_cred *, int);\ 349 \ 350 int fsname##_cache_write(struct puffs_usermount *, void *, \ 351 size_t, struct puffs_cacheinfo *); 352 353 #define PUFFSOP_INIT(ops) \ 354 ops = malloc(sizeof(struct puffs_ops)); \ 355 memset(ops, 0, sizeof(struct puffs_ops)) 356 #define PUFFSOP_SET(ops, fsname, fsornode, opname) \ 357 (ops)->puffs_##fsornode##_##opname = fsname##_##fsornode##_##opname 358 #define PUFFSOP_SETFSNOP(ops, opname) \ 359 (ops)->puffs_fs_##opname = puffs_fsnop_##opname 360 361 #define PUFFS_DEVEL_LIBVERSION 13 362 #define puffs_mount(a,b,c,d,e,f) \ 363 _puffs_mount(PUFFS_DEVEL_LIBVERSION,a,b,c,d,e,f) 364 #define puffs_init(a,b,c,d) \ 365 _puffs_init(PUFFS_DEVEL_LIBVERSION,a,b,c,d) 366 367 368 #define PNPATH(pnode) ((pnode)->pn_po.po_path) 369 #define PNPLEN(pnode) ((pnode)->pn_po.po_len) 370 #define PCNPATH(pcnode) ((pcnode)->pcn_po_full.po_path) 371 #define PCNPLEN(pcnode) ((pcnode)->pcn_po_full.po_len) 372 #define PCNISDOTDOT(pcnode) \ 373 ((pcnode)->pcn_namelen == 2 && strcmp((pcnode)->pcn_name, "..") == 0) 374 375 #define PUFFS_STORE_DCOOKIE(cp, ncp, off) \ 376 if (cp) { \ 377 *((cp)++) = off; \ 378 (*(ncp))++; \ 379 } 380 381 __BEGIN_DECLS 382 383 struct puffs_usermount *_puffs_mount(int, struct puffs_ops *, const char *, int, 384 const char *, void *, uint32_t); 385 struct puffs_usermount *_puffs_init(int, struct puffs_ops *pops, const char *, 386 void *, uint32_t); 387 int puffs_domount(struct puffs_usermount *, const char *, int); 388 int puffs_start(struct puffs_usermount *, void *, struct statvfs *); 389 int puffs_exit(struct puffs_usermount *, int); 390 int puffs_mainloop(struct puffs_usermount *, int); 391 392 393 int puffs_getselectable(struct puffs_usermount *); 394 int puffs_setblockingmode(struct puffs_usermount *, int); 395 int puffs_getstate(struct puffs_usermount *); 396 void puffs_setstacksize(struct puffs_usermount *, size_t); 397 398 void puffs_setroot(struct puffs_usermount *, 399 struct puffs_node *); 400 struct puffs_node *puffs_getroot(struct puffs_usermount *); 401 void *puffs_getspecific(struct puffs_usermount *); 402 void puffs_setmaxreqlen(struct puffs_usermount *, size_t); 403 size_t puffs_getmaxreqlen(struct puffs_usermount *); 404 void puffs_setfhsize(struct puffs_usermount *, size_t, int); 405 406 void puffs_setncookiehash(struct puffs_usermount *, int); 407 408 struct puffs_pathobj *puffs_getrootpathobj(struct puffs_usermount *); 409 410 struct puffs_node *puffs_pn_new(struct puffs_usermount *, void *); 411 void puffs_pn_put(struct puffs_node *); 412 413 void *puffs_pn_getmntspecific(struct puffs_node *); 414 415 typedef void * (*puffs_nodewalk_fn)(struct puffs_usermount *, 416 struct puffs_node *, void *); 417 void *puffs_pn_nodewalk(struct puffs_usermount *, 418 puffs_nodewalk_fn, void *); 419 420 void puffs_setvattr(struct vattr *, const struct vattr *); 421 void puffs_vattr_null(struct vattr *); 422 423 /* 424 * generic/dummy routines applicable for some file systems 425 */ 426 int puffs_fsnop_unmount(struct puffs_cc *, int, pid_t); 427 int puffs_fsnop_statvfs(struct puffs_cc *, struct statvfs *, pid_t); 428 void puffs_zerostatvfs(struct statvfs *); 429 int puffs_fsnop_sync(struct puffs_cc *, int waitfor, 430 const struct puffs_cred *, pid_t); 431 int puffs_genfs_node_reclaim(struct puffs_cc *, void *, pid_t); 432 433 /* 434 * Subroutine stuff 435 */ 436 437 int puffs_gendotdent(struct dirent **, ino_t, int, size_t *); 438 int puffs_nextdent(struct dirent **, const char *, ino_t, 439 uint8_t, size_t *); 440 int puffs_vtype2dt(enum vtype); 441 enum vtype puffs_mode2vt(mode_t); 442 void puffs_stat2vattr(struct vattr *va, const struct stat *); 443 mode_t puffs_addvtype2mode(mode_t, enum vtype); 444 445 446 /* 447 * credentials & permissions 448 */ 449 450 /* Credential fetch */ 451 int puffs_cred_getuid(const struct puffs_cred *pcr, uid_t *); 452 int puffs_cred_getgid(const struct puffs_cred *pcr, gid_t *); 453 int puffs_cred_getgroups(const struct puffs_cred *pcr, gid_t *, short *); 454 455 /* Credential check */ 456 int puffs_cred_isuid(const struct puffs_cred *, uid_t); 457 int puffs_cred_hasgroup(const struct puffs_cred *, gid_t); 458 int puffs_cred_isregular(const struct puffs_cred *); 459 int puffs_cred_iskernel(const struct puffs_cred *); 460 int puffs_cred_isfs(const struct puffs_cred *); 461 int puffs_cred_isjuggernaut(const struct puffs_cred *); 462 463 /* misc */ 464 int puffs_access(enum vtype, mode_t, uid_t, gid_t, mode_t, 465 const struct puffs_cred *); 466 int puffs_access_chown(uid_t, gid_t, uid_t, gid_t, 467 const struct puffs_cred *); 468 int puffs_access_chmod(uid_t, gid_t, enum vtype, mode_t, 469 const struct puffs_cred *); 470 int puffs_access_times(uid_t, gid_t, mode_t, int, 471 const struct puffs_cred *); 472 473 474 /* 475 * Requests 476 */ 477 478 struct puffs_getreq *puffs_req_makeget(struct puffs_usermount *, 479 size_t, int); 480 int puffs_req_loadget(struct puffs_getreq *); 481 struct puffs_req *puffs_req_get(struct puffs_getreq *); 482 int puffs_req_remainingget(struct puffs_getreq *); 483 void puffs_req_setmaxget(struct puffs_getreq *, int); 484 void puffs_req_destroyget(struct puffs_getreq *); 485 486 struct puffs_putreq *puffs_req_makeput(struct puffs_usermount *); 487 void puffs_req_put(struct puffs_putreq *,struct puffs_req *); 488 void puffs_req_putcc(struct puffs_putreq *,struct puffs_cc*); 489 int puffs_req_putput(struct puffs_putreq *); 490 void puffs_req_resetput(struct puffs_putreq *); 491 void puffs_req_destroyput(struct puffs_putreq *); 492 493 int puffs_req_handle(struct puffs_usermount *, 494 struct puffs_getreq *, 495 struct puffs_putreq *, int); 496 497 /* 498 * Call Context interfaces relevant for user. 499 */ 500 501 void puffs_cc_yield(struct puffs_cc *); 502 void puffs_cc_continue(struct puffs_cc *); 503 struct puffs_usermount *puffs_cc_getusermount(struct puffs_cc *); 504 void *puffs_cc_getspecific(struct puffs_cc *); 505 struct puffs_cc *puffs_cc_create(struct puffs_usermount *); 506 void puffs_cc_destroy(struct puffs_cc *); 507 508 /* 509 * Execute or continue a request 510 */ 511 512 int puffs_dopreq(struct puffs_usermount *, struct puffs_req *, 513 struct puffs_putreq *); 514 int puffs_docc(struct puffs_cc *, struct puffs_putreq *); 515 516 /* 517 * Flushing / invalidation routines 518 */ 519 520 int puffs_inval_namecache_dir(struct puffs_usermount *, void *); 521 int puffs_inval_namecache_all(struct puffs_usermount *); 522 523 int puffs_inval_pagecache_node(struct puffs_usermount *, void *); 524 int puffs_inval_pagecache_node_range(struct puffs_usermount *, void *, 525 off_t, off_t); 526 int puffs_flush_pagecache_node(struct puffs_usermount *, void *); 527 int puffs_flush_pagecache_node_range(struct puffs_usermount *, void *, 528 off_t, off_t); 529 530 /* 531 * Path constructicons 532 */ 533 534 int puffs_stdpath_buildpath(struct puffs_usermount *, 535 const struct puffs_pathobj *, 536 const struct puffs_pathobj *, size_t, 537 struct puffs_pathobj *); 538 int puffs_stdpath_cmppath(struct puffs_usermount *, struct puffs_pathobj *, 539 struct puffs_pathobj *, size_t, int); 540 void puffs_stdpath_freepath(struct puffs_usermount *,struct puffs_pathobj *); 541 542 void *puffs_path_walkcmp(struct puffs_usermount *, 543 struct puffs_node *, void *); 544 void *puffs_path_prefixadj(struct puffs_usermount *, 545 struct puffs_node *, void *); 546 int puffs_path_pcnbuild(struct puffs_usermount *, 547 struct puffs_cn *, void *); 548 549 void puffs_set_pathbuild(struct puffs_usermount *, pu_pathbuild_fn); 550 void puffs_set_pathtransform(struct puffs_usermount *, pu_pathtransform_fn); 551 void puffs_set_pathcmp(struct puffs_usermount *, pu_pathcmp_fn); 552 void puffs_set_pathfree(struct puffs_usermount *, pu_pathfree_fn); 553 void puffs_set_namemod(struct puffs_usermount *, pu_namemod_fn); 554 555 /* 556 * Suspension 557 */ 558 559 int puffs_fs_suspend(struct puffs_usermount *); 560 561 __END_DECLS 562 563 #endif /* _PUFFS_H_ */ 564
Indexes created Tue Sep 30 17:09:57 GMT 2025