puffs_msgif.h revision 1.83
1 /* $NetBSD: puffs_msgif.h,v 1.83 2014/10/31 14:20:54 manu Exp $ */ 2 3 /* 4 * Copyright (c) 2005, 2006, 2007 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 #ifndef _FS_PUFFS_PUFFS_MSGIF_H_ 33 #define _FS_PUFFS_PUFFS_MSGIF_H_ 34 35 #include <sys/param.h> 36 #include <sys/time.h> 37 #include <sys/ioccom.h> 38 #include <sys/uio.h> 39 #include <sys/vnode.h> 40 #include <sys/ucred.h> 41 #include <sys/statvfs.h> 42 #include <sys/dirent.h> 43 #include <sys/fcntl.h> 44 45 #include <dev/putter/putter.h> 46 47 #include <uvm/uvm_prot.h> 48 49 #define PUFFSOP_VFS 0x01 /* kernel-> */ 50 #define PUFFSOP_VN 0x02 /* kernel-> */ 51 #define PUFFSOP_CACHE 0x03 /* only kernel-> */ 52 #define PUFFSOP_ERROR 0x04 /* only kernel-> */ 53 #define PUFFSOP_FLUSH 0x05 /* ->kernel */ 54 #define PUFFSOP_SUSPEND 0x06 /* ->kernel */ 55 #define PUFFSOP_UNMOUNT 0x07 /* ->kernel */ 56 57 #define PUFFSOPFLAG_FAF 0x10 /* fire-and-forget */ 58 #define PUFFSOPFLAG_ISRESPONSE 0x20 /* req is actually a resp */ 59 60 #define PUFFSOP_OPCMASK 0x07 61 #define PUFFSOP_OPCLASS(a) ((a) & PUFFSOP_OPCMASK) 62 #define PUFFSOP_WANTREPLY(a) (((a) & PUFFSOPFLAG_FAF) == 0) 63 64 enum { 65 PUFFS_VFS_MOUNT, PUFFS_VFS_START, PUFFS_VFS_UNMOUNT, 66 PUFFS_VFS_ROOT, PUFFS_VFS_QUOTACTL, PUFFS_VFS_STATVFS, 67 PUFFS_VFS_SYNC, PUFFS_VFS_VGET, PUFFS_VFS_FHTOVP, 68 PUFFS_VFS_VPTOFH, PUFFS_VFS_INIT, PUFFS_VFS_DONE, 69 PUFFS_VFS_SNAPSHOT, PUFFS_VFS_EXTATTRCTL, PUFFS_VFS_SUSPEND 70 }; 71 #define PUFFS_VFS_MAX PUFFS_VFS_SUSPEND 72 73 enum { 74 PUFFS_VN_LOOKUP, PUFFS_VN_CREATE, PUFFS_VN_MKNOD, 75 PUFFS_VN_OPEN, PUFFS_VN_CLOSE, PUFFS_VN_ACCESS, 76 PUFFS_VN_GETATTR, PUFFS_VN_SETATTR, PUFFS_VN_READ, 77 PUFFS_VN_WRITE, PUFFS_VN_IOCTL, PUFFS_VN_FCNTL, 78 PUFFS_VN_POLL, PUFFS_VN_KQFILTER, PUFFS_VN_REVOKE, 79 PUFFS_VN_MMAP, PUFFS_VN_FSYNC, PUFFS_VN_SEEK, 80 PUFFS_VN_REMOVE, PUFFS_VN_LINK, PUFFS_VN_RENAME, 81 PUFFS_VN_MKDIR, PUFFS_VN_RMDIR, PUFFS_VN_SYMLINK, 82 PUFFS_VN_READDIR, PUFFS_VN_READLINK, PUFFS_VN_ABORTOP, 83 PUFFS_VN_INACTIVE, PUFFS_VN_RECLAIM, PUFFS_VN_LOCK, 84 PUFFS_VN_UNLOCK, PUFFS_VN_BMAP, PUFFS_VN_STRATEGY, 85 PUFFS_VN_PRINT, PUFFS_VN_ISLOCKED, PUFFS_VN_PATHCONF, 86 PUFFS_VN_ADVLOCK, PUFFS_VN_LEASE, PUFFS_VN_WHITEOUT, 87 PUFFS_VN_GETPAGES, PUFFS_VN_PUTPAGES, PUFFS_VN_GETEXTATTR, 88 PUFFS_VN_LISTEXTATTR, PUFFS_VN_OPENEXTATTR, PUFFS_VN_DELETEEXTATTR, 89 PUFFS_VN_SETEXTATTR, PUFFS_VN_CLOSEEXTATTR, PUFFS_VN_FALLOCATE, 90 PUFFS_VN_FDISCARD, 91 /* NOTE: If you add an op, decrement PUFFS_VN_SPARE accordingly */ 92 }; 93 #define PUFFS_VN_MAX PUFFS_VN_FDISCARD 94 #define PUFFS_VN_SPARE 30 95 96 /* 97 * These signal invalid parameters the file system returned. 98 */ 99 enum { 100 PUFFS_ERR_ERROR, 101 PUFFS_ERR_MAKENODE, PUFFS_ERR_LOOKUP, PUFFS_ERR_READDIR, 102 PUFFS_ERR_READLINK, PUFFS_ERR_READ, PUFFS_ERR_WRITE, 103 PUFFS_ERR_VPTOFH, PUFFS_ERR_GETEXTATTR, PUFFS_ERR_LISTEXTATTR 104 }; 105 #define PUFFS_ERR_MAX PUFFS_ERR_LISTEXTATTR 106 107 #define PUFFSVERSION 30 108 #define PUFFSNAMESIZE 32 109 110 #define PUFFS_TYPEPREFIX "puffs|" 111 112 #define PUFFS_TYPELEN (_VFS_NAMELEN - (sizeof(PUFFS_TYPEPREFIX)+1)) 113 #define PUFFS_NAMELEN (_VFS_MNAMELEN-1) 114 115 /* 116 * Just a weak typedef for code clarity. Additionally, we have a 117 * more appropriate vanity type for puffs: 118 * <uep> it should be croissant, not cookie. 119 */ 120 typedef void *puffs_cookie_t; 121 typedef puffs_cookie_t puffs_croissant_t; 122 123 struct puffs_kargs { 124 unsigned int pa_vers; 125 int pa_fd; 126 127 uint32_t pa_flags; 128 129 size_t pa_maxmsglen; 130 int pa_nhashbuckets; 131 132 size_t pa_fhsize; 133 int pa_fhflags; 134 135 uint8_t pa_vnopmask[PUFFS_VN_MAX + PUFFS_VN_SPARE]; 136 137 char pa_typename[_VFS_NAMELEN]; 138 char pa_mntfromname[_VFS_MNAMELEN]; 139 140 puffs_cookie_t pa_root_cookie; 141 enum vtype pa_root_vtype; 142 voff_t pa_root_vsize; 143 union { 144 dev_t dev; 145 uint64_t container; 146 } devunion; 147 148 struct statvfs pa_svfsb; 149 150 uint32_t pa_time32; 151 152 uint32_t pa_spare[127]; 153 }; 154 #define pa_root_rdev devunion.dev 155 156 #define PUFFS_KFLAG_NOCACHE_NAME 0x001 /* don't use name cache */ 157 #define PUFFS_KFLAG_NOCACHE_PAGE 0x002 /* don't use page cache */ 158 #define PUFFS_KFLAG_NOCACHE 0x003 /* no cache whatsoever */ 159 #define PUFFS_KFLAG_ALLOPS 0x004 /* ignore pa_vnopmask */ 160 #define PUFFS_KFLAG_WTCACHE 0x008 /* write-through page cache */ 161 #define PUFFS_KFLAG_IAONDEMAND 0x010 /* inactive only on demand */ 162 #define PUFFS_KFLAG_LOOKUP_FULLPNBUF 0x020 /* full pnbuf in lookup */ 163 #define PUFFS_KFLAG_NOCACHE_ATTR 0x040 /* no attrib cache (unused) */ 164 #define PUFFS_KFLAG_CACHE_FS_TTL 0x080 /* cache use TTL from FS */ 165 #define PUFFS_KFLAG_CACHE_DOTDOT 0x100 /* don't send lookup for .. */ 166 #define PUFFS_KFLAG_MASK 0x1bf 167 168 #define PUFFS_FHFLAG_DYNAMIC 0x01 169 #define PUFFS_FHFLAG_NFSV2 0x02 170 #define PUFFS_FHFLAG_NFSV3 0x04 171 #define PUFFS_FHFLAG_PROTOMASK 0x06 172 #define PUFFS_FHFLAG_PASSTHROUGH 0x08 173 #define PUFFS_FHFLAG_MASK 0x0f 174 175 #define PUFFS_FHSIZE_MAX 1020 /* FHANDLE_SIZE_MAX - 4 */ 176 177 struct puffs_req { 178 struct putter_hdr preq_pth; 179 180 uint64_t preq_id; 181 puffs_cookie_t preq_cookie; 182 183 uint16_t preq_opclass; 184 uint16_t preq_optype; 185 int preq_rv; 186 187 uint32_t preq_setbacks; 188 189 /* Who is making the call? Eventually host id is also needed. */ 190 pid_t preq_pid; 191 lwpid_t preq_lid; 192 193 /* 194 * the following helper pads the struct size to md alignment 195 * multiple (should size_t not cut it). it makes sure that 196 * whatever comes after this struct is aligned 197 */ 198 size_t preq_buflen; 199 uint8_t preq_buf[0] __aligned(ALIGNBYTES+1); 200 }; 201 202 #define PUFFS_SETBACK_INACT_N1 0x01 /* set VOP_INACTIVE for node 1 */ 203 #define PUFFS_SETBACK_INACT_N2 0x02 /* set VOP_INACTIVE for node 2 */ 204 #define PUFFS_SETBACK_NOREF_N1 0x04 /* set pn PN_NOREFS for node 1 */ 205 #define PUFFS_SETBACK_NOREF_N2 0x08 /* set pn PN_NOREFS for node 2 */ 206 #define PUFFS_SETBACK_MASK 0x0f 207 208 /* 209 * Flush operation. This can be used to invalidate: 210 * 1) name cache for one node 211 * 2) name cache for all children 212 * 3) name cache for the entire mount 213 * 4) page cache for a set of ranges in one node 214 * 5) page cache for one entire node 215 * 216 * It can be used to flush: 217 * 1) page cache for a set of ranges in one node 218 * 2) page cache for one entire node 219 */ 220 221 struct puffs_flush { 222 struct puffs_req pf_req; 223 224 puffs_cookie_t pf_cookie; 225 226 int pf_op; 227 off_t pf_start; 228 off_t pf_end; 229 }; 230 #define PUFFS_INVAL_NAMECACHE_NODE 0 231 #define PUFFS_INVAL_NAMECACHE_DIR 1 232 #define PUFFS_INVAL_NAMECACHE_ALL 2 233 #define PUFFS_INVAL_PAGECACHE_NODE_RANGE 3 234 #define PUFFS_FLUSH_PAGECACHE_NODE_RANGE 4 235 236 /* 237 * Credentials for an operation. Can be either struct uucred for 238 * ops called from a credential context or NOCRED/FSCRED for ops 239 * called from within the kernel. It is up to the implementation 240 * if it makes a difference between these two and the super-user. 241 */ 242 struct puffs_kcred { 243 struct uucred pkcr_uuc; 244 uint8_t pkcr_type; 245 uint8_t pkcr_internal; 246 }; 247 #define PUFFCRED_TYPE_UUC 1 248 #define PUFFCRED_TYPE_INTERNAL 2 249 #define PUFFCRED_CRED_NOCRED 1 250 #define PUFFCRED_CRED_FSCRED 2 251 252 /* 253 * 2*MAXPHYS is the max size the system will attempt to copy, 254 * else treated as garbage 255 */ 256 #define PUFFS_MSG_MAXSIZE 2*MAXPHYS 257 #define PUFFS_MSGSTRUCT_MAX 4096 /* approximate */ 258 259 #define PUFFS_EXTNAMELEN KERNEL_NAME_MAX /* currently same as EXTATTR_MAXNAMELEN */ 260 261 #define PUFFS_TOMOVE(a,b) (MIN((a), b->pmp_msg_maxsize - PUFFS_MSGSTRUCT_MAX)) 262 263 /* puffs struct componentname built by kernel */ 264 struct puffs_kcn { 265 /* args */ 266 uint32_t pkcn_nameiop; /* namei operation */ 267 uint32_t pkcn_flags; /* flags */ 268 269 char pkcn_name[MAXPATHLEN]; /* nulterminated path component */ 270 size_t pkcn_namelen; /* current component length */ 271 size_t pkcn_consume; /* IN: extra chars server ate */ 272 }; 273 274 275 /* 276 * Next come the individual requests. They are all subclassed from 277 * puffs_req and contain request-specific fields in addition. Note 278 * that there are some requests which have to handle arbitrary-length 279 * buffers. 280 * 281 * The division is the following: puffs_req is to be touched only 282 * by generic routines while the other stuff is supposed to be 283 * modified only by specific routines. 284 */ 285 286 /* 287 * aux structures for vfs operations. 288 */ 289 struct puffs_vfsmsg_unmount { 290 struct puffs_req pvfsr_pr; 291 292 int pvfsr_flags; 293 }; 294 295 struct puffs_vfsmsg_statvfs { 296 struct puffs_req pvfsr_pr; 297 298 struct statvfs pvfsr_sb; 299 }; 300 301 struct puffs_vfsmsg_sync { 302 struct puffs_req pvfsr_pr; 303 304 struct puffs_kcred pvfsr_cred; 305 int pvfsr_waitfor; 306 }; 307 308 struct puffs_vfsmsg_fhtonode { 309 struct puffs_req pvfsr_pr; 310 311 void *pvfsr_fhcookie; /* IN */ 312 enum vtype pvfsr_vtype; /* IN */ 313 voff_t pvfsr_size; /* IN */ 314 dev_t pvfsr_rdev; /* IN */ 315 316 size_t pvfsr_dsize; /* OUT */ 317 uint8_t pvfsr_data[0] /* OUT, XXX */ 318 __aligned(ALIGNBYTES+1); 319 }; 320 321 struct puffs_vfsmsg_nodetofh { 322 struct puffs_req pvfsr_pr; 323 324 void *pvfsr_fhcookie; /* OUT */ 325 326 size_t pvfsr_dsize; /* OUT/IN */ 327 uint8_t pvfsr_data[0] /* IN, XXX */ 328 __aligned(ALIGNBYTES+1); 329 }; 330 331 struct puffs_vfsmsg_suspend { 332 struct puffs_req pvfsr_pr; 333 334 int pvfsr_status; 335 }; 336 #define PUFFS_SUSPEND_START 0 337 #define PUFFS_SUSPEND_SUSPENDED 1 338 #define PUFFS_SUSPEND_RESUME 2 339 #define PUFFS_SUSPEND_ERROR 3 340 341 #define PUFFS_EXTATTRCTL_HASNODE 0x01 342 #define PUFFS_EXTATTRCTL_HASATTRNAME 0x02 343 344 #define PUFFS_OPEN_IO_DIRECT 0x01 345 346 struct puffs_vfsmsg_extattrctl { 347 struct puffs_req pvfsr_pr; 348 349 int pvfsr_cmd; /* OUT */ 350 int pvfsr_attrnamespace; /* OUT */ 351 int pvfsr_flags; /* OUT */ 352 char pvfsr_attrname[PUFFS_EXTNAMELEN]; /* OUT */ 353 }; 354 355 /* 356 * aux structures for vnode operations. 357 */ 358 359 struct puffs_vnmsg_lookup { 360 struct puffs_req pvn_pr; 361 362 struct puffs_kcn pvnr_cn; /* OUT */ 363 struct puffs_kcred pvnr_cn_cred; /* OUT */ 364 365 puffs_cookie_t pvnr_newnode; /* IN */ 366 enum vtype pvnr_vtype; /* IN */ 367 voff_t pvnr_size; /* IN */ 368 dev_t pvnr_rdev; /* IN */ 369 /* Used only if PUFFS_KFLAG_CACHE_USE_TTL */ 370 struct vattr pvnr_va; /* IN */ 371 struct timespec pvnr_va_ttl; /* IN */ 372 struct timespec pvnr_cn_ttl; /* IN */ 373 }; 374 375 struct puffs_vnmsg_create { 376 struct puffs_req pvn_pr; 377 378 struct puffs_kcn pvnr_cn; /* OUT */ 379 struct puffs_kcred pvnr_cn_cred; /* OUT */ 380 381 struct vattr pvnr_va; /* OUT */ 382 puffs_cookie_t pvnr_newnode; /* IN */ 383 /* Used only if PUFFS_KFLAG_CACHE_USE_TTL */ 384 struct timespec pvnr_va_ttl; /* IN */ 385 struct timespec pvnr_cn_ttl; /* IN */ 386 }; 387 388 struct puffs_vnmsg_mknod { 389 struct puffs_req pvn_pr; 390 391 struct puffs_kcn pvnr_cn; /* OUT */ 392 struct puffs_kcred pvnr_cn_cred; /* OUT */ 393 394 struct vattr pvnr_va; /* OUT */ 395 puffs_cookie_t pvnr_newnode; /* IN */ 396 /* Used only if PUFFS_KFLAG_CACHE_USE_TTL */ 397 struct timespec pvnr_va_ttl; /* IN */ 398 struct timespec pvnr_cn_ttl; /* IN */ 399 }; 400 401 struct puffs_vnmsg_open { 402 struct puffs_req pvn_pr; 403 404 struct puffs_kcred pvnr_cred; /* OUT */ 405 int pvnr_mode; /* OUT */ 406 int pvnr_oflags; /* IN */ 407 }; 408 409 struct puffs_vnmsg_close { 410 struct puffs_req pvn_pr; 411 412 struct puffs_kcred pvnr_cred; /* OUT */ 413 int pvnr_fflag; /* OUT */ 414 }; 415 416 struct puffs_vnmsg_access { 417 struct puffs_req pvn_pr; 418 419 struct puffs_kcred pvnr_cred; /* OUT */ 420 int pvnr_mode; /* OUT */ 421 }; 422 423 #define puffs_vnmsg_setattr puffs_vnmsg_setgetattr 424 #define puffs_vnmsg_getattr puffs_vnmsg_setgetattr 425 struct puffs_vnmsg_setgetattr { 426 struct puffs_req pvn_pr; 427 428 struct puffs_kcred pvnr_cred; /* OUT */ 429 struct vattr pvnr_va; /* IN/OUT (op depend) */ 430 /* Used only if PUFFS_KFLAG_CACHE_USE_TTL */ 431 struct timespec pvnr_va_ttl; /* IN */ 432 }; 433 434 #define puffs_vnmsg_read puffs_vnmsg_rw 435 #define puffs_vnmsg_write puffs_vnmsg_rw 436 struct puffs_vnmsg_rw { 437 struct puffs_req pvn_pr; 438 439 struct puffs_kcred pvnr_cred; /* OUT */ 440 off_t pvnr_offset; /* OUT */ 441 size_t pvnr_resid; /* IN/OUT */ 442 int pvnr_ioflag; /* OUT */ 443 444 uint8_t pvnr_data[0]; /* IN/OUT (wr/rd) */ 445 }; 446 447 #define puffs_vnmsg_ioctl puffs_vnreq_fcnioctl 448 #define puffs_vnmsg_fcntl puffs_vnreq_fcnioctl 449 struct puffs_vnmsg_fcnioctl { 450 struct puffs_req pvn_pr; 451 452 struct puffs_kcred pvnr_cred; 453 u_long pvnr_command; 454 pid_t pvnr_pid; 455 int pvnr_fflag; 456 457 void *pvnr_data; 458 size_t pvnr_datalen; 459 int pvnr_copyback; 460 }; 461 462 struct puffs_vnmsg_poll { 463 struct puffs_req pvn_pr; 464 465 int pvnr_events; /* IN/OUT */ 466 }; 467 468 struct puffs_vnmsg_fsync { 469 struct puffs_req pvn_pr; 470 471 struct puffs_kcred pvnr_cred; /* OUT */ 472 off_t pvnr_offlo; /* OUT */ 473 off_t pvnr_offhi; /* OUT */ 474 int pvnr_flags; /* OUT */ 475 }; 476 477 struct puffs_vnmsg_seek { 478 struct puffs_req pvn_pr; 479 480 struct puffs_kcred pvnr_cred; /* OUT */ 481 off_t pvnr_oldoff; /* OUT */ 482 off_t pvnr_newoff; /* OUT */ 483 }; 484 485 struct puffs_vnmsg_remove { 486 struct puffs_req pvn_pr; 487 488 struct puffs_kcn pvnr_cn; /* OUT */ 489 struct puffs_kcred pvnr_cn_cred; /* OUT */ 490 491 puffs_cookie_t pvnr_cookie_targ; /* OUT */ 492 }; 493 494 struct puffs_vnmsg_mkdir { 495 struct puffs_req pvn_pr; 496 497 struct puffs_kcn pvnr_cn; /* OUT */ 498 struct puffs_kcred pvnr_cn_cred; /* OUT */ 499 500 struct vattr pvnr_va; /* OUT */ 501 puffs_cookie_t pvnr_newnode; /* IN */ 502 /* Used only if PUFFS_KFLAG_CACHE_USE_TTL */ 503 struct timespec pvnr_va_ttl; /* IN */ 504 struct timespec pvnr_cn_ttl; /* IN */ 505 }; 506 507 struct puffs_vnmsg_rmdir { 508 struct puffs_req pvn_pr; 509 510 struct puffs_kcn pvnr_cn; /* OUT */ 511 struct puffs_kcred pvnr_cn_cred; /* OUT */ 512 513 puffs_cookie_t pvnr_cookie_targ; /* OUT */ 514 }; 515 516 struct puffs_vnmsg_link { 517 struct puffs_req pvn_pr; 518 519 struct puffs_kcn pvnr_cn; /* OUT */ 520 struct puffs_kcred pvnr_cn_cred; /* OUT */ 521 522 puffs_cookie_t pvnr_cookie_targ; /* OUT */ 523 }; 524 525 struct puffs_vnmsg_rename { 526 struct puffs_req pvn_pr; 527 528 struct puffs_kcn pvnr_cn_src; /* OUT */ 529 struct puffs_kcred pvnr_cn_src_cred; /* OUT */ 530 struct puffs_kcn pvnr_cn_targ; /* OUT */ 531 struct puffs_kcred pvnr_cn_targ_cred; /* OUT */ 532 533 puffs_cookie_t pvnr_cookie_src; /* OUT */ 534 puffs_cookie_t pvnr_cookie_targ; /* OUT */ 535 puffs_cookie_t pvnr_cookie_targdir; /* OUT */ 536 }; 537 538 struct puffs_vnmsg_symlink { 539 struct puffs_req pvn_pr; 540 541 struct puffs_kcn pvnr_cn; /* OUT */ 542 struct puffs_kcred pvnr_cn_cred; /* OUT */ 543 544 struct vattr pvnr_va; /* OUT */ 545 puffs_cookie_t pvnr_newnode; /* IN */ 546 char pvnr_link[MAXPATHLEN]; /* OUT */ 547 /* Used only if PUFFS_KFLAG_CACHE_USE_TTL */ 548 struct timespec pvnr_va_ttl; /* IN */ 549 struct timespec pvnr_cn_ttl; /* IN */ 550 }; 551 552 struct puffs_vnmsg_readdir { 553 struct puffs_req pvn_pr; 554 555 struct puffs_kcred pvnr_cred; /* OUT */ 556 off_t pvnr_offset; /* IN/OUT */ 557 size_t pvnr_resid; /* IN/OUT */ 558 size_t pvnr_ncookies; /* IN/OUT */ 559 int pvnr_eofflag; /* IN */ 560 561 size_t pvnr_dentoff; /* OUT */ 562 uint8_t pvnr_data[0] /* IN */ 563 __aligned(ALIGNBYTES+1); 564 }; 565 566 struct puffs_vnmsg_readlink { 567 struct puffs_req pvn_pr; 568 569 struct puffs_kcred pvnr_cred; /* OUT */ 570 size_t pvnr_linklen; /* IN */ 571 char pvnr_link[MAXPATHLEN]; /* IN */ 572 }; 573 574 struct puffs_vnmsg_reclaim { 575 struct puffs_req pvn_pr; 576 577 int pvnr_nlookup; /* OUT */ 578 }; 579 580 struct puffs_vnmsg_inactive { 581 struct puffs_req pvn_pr; 582 }; 583 584 struct puffs_vnmsg_print { 585 struct puffs_req pvn_pr; 586 587 /* empty */ 588 }; 589 590 struct puffs_vnmsg_pathconf { 591 struct puffs_req pvn_pr; 592 593 int pvnr_name; /* OUT */ 594 register_t pvnr_retval; /* IN */ 595 }; 596 597 struct puffs_vnmsg_advlock { 598 struct puffs_req pvn_pr; 599 600 struct flock pvnr_fl; /* OUT */ 601 void *pvnr_id; /* OUT */ 602 int pvnr_op; /* OUT */ 603 int pvnr_flags; /* OUT */ 604 }; 605 606 struct puffs_vnmsg_mmap { 607 struct puffs_req pvn_pr; 608 609 vm_prot_t pvnr_prot; /* OUT */ 610 struct puffs_kcred pvnr_cred; /* OUT */ 611 }; 612 613 struct puffs_vnmsg_abortop { 614 struct puffs_req pvn_pr; 615 616 struct puffs_kcn pvnr_cn; /* OUT */ 617 struct puffs_kcred pvnr_cn_cred; /* OUT */ 618 }; 619 620 struct puffs_vnmsg_getextattr { 621 struct puffs_req pvn_pr; 622 623 int pvnr_attrnamespace; /* OUT */ 624 char pvnr_attrname[PUFFS_EXTNAMELEN];/* OUT */ 625 626 struct puffs_kcred pvnr_cred; /* OUT */ 627 size_t pvnr_datasize; /* IN */ 628 629 size_t pvnr_resid; /* IN/OUT */ 630 uint8_t pvnr_data[0] /* IN */ 631 __aligned(ALIGNBYTES+1); 632 }; 633 634 struct puffs_vnmsg_setextattr { 635 struct puffs_req pvn_pr; 636 637 int pvnr_attrnamespace; /* OUT */ 638 char pvnr_attrname[PUFFS_EXTNAMELEN];/* OUT */ 639 640 struct puffs_kcred pvnr_cred; /* OUT */ 641 642 size_t pvnr_resid; /* IN/OUT */ 643 uint8_t pvnr_data[0] /* OUT */ 644 __aligned(ALIGNBYTES+1); 645 }; 646 647 struct puffs_vnmsg_listextattr { 648 struct puffs_req pvn_pr; 649 650 int pvnr_attrnamespace; /* OUT */ 651 652 struct puffs_kcred pvnr_cred; /* OUT */ 653 size_t pvnr_datasize; /* IN */ 654 655 size_t pvnr_resid; /* IN/OUT */ 656 int pvnr_flag; /* OUT */ 657 uint8_t pvnr_data[0] /* IN */ 658 __aligned(ALIGNBYTES+1); 659 }; 660 661 struct puffs_vnmsg_deleteextattr { 662 struct puffs_req pvn_pr; 663 664 int pvnr_attrnamespace; /* OUT */ 665 char pvnr_attrname[PUFFS_EXTNAMELEN];/* OUT */ 666 667 struct puffs_kcred pvnr_cred; /* OUT */ 668 }; 669 670 #define PUFFS_HAVE_FALLOCATE 1 671 struct puffs_vnmsg_fallocate { 672 struct puffs_req pvn_pr; 673 off_t pvnr_off; /* OUT */ 674 off_t pvnr_len; /* OUT */ 675 }; 676 677 struct puffs_vnmsg_fdiscard { 678 struct puffs_req pvn_pr; 679 off_t pvnr_off; /* OUT */ 680 off_t pvnr_len; /* OUT */ 681 }; 682 683 /* 684 * For cache reports. Everything is always out-out-out, no replies 685 */ 686 687 struct puffs_cacherun { 688 off_t pcache_runstart; 689 off_t pcache_runend; 690 }; 691 692 /* cache info. old used for write now */ 693 struct puffs_cacheinfo { 694 struct puffs_req pcache_pr; 695 696 int pcache_type; 697 size_t pcache_nruns; 698 struct puffs_cacherun pcache_runs[0]; 699 }; 700 #define PCACHE_TYPE_READ 0 701 #define PCACHE_TYPE_WRITE 1 702 703 /* 704 * Error notification. Always outgoing, no response, no remorse. 705 */ 706 struct puffs_error { 707 struct puffs_req perr_pr; 708 709 int perr_error; 710 char perr_str[256]; 711 }; 712 713 #endif /* _FS_PUFFS_PUFFS_MSGIF_H_ */ 714
Indexes created Wed Oct 01 07:09:59 GMT 2025