puffs_msgif.h revision 1.72
1 /* $NetBSD: puffs_msgif.h,v 1.72 2010/05/21 10:40:19 pooka 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 90 /* NOTE: If you add an op, decrement PUFFS_VN_SPARE accordingly */ 91 }; 92 #define PUFFS_VN_MAX PUFFS_VN_CLOSEEXTATTR 93 #define PUFFS_VN_SPARE 32 94 95 /* 96 * These signal invalid parameters the file system returned. 97 */ 98 enum { 99 PUFFS_ERR_ERROR, 100 PUFFS_ERR_MAKENODE, PUFFS_ERR_LOOKUP, PUFFS_ERR_READDIR, 101 PUFFS_ERR_READLINK, PUFFS_ERR_READ, PUFFS_ERR_WRITE, 102 PUFFS_ERR_VPTOFH, PUFFS_ERR_GETEXTATTR, PUFFS_ERR_LISTEXTATTR 103 }; 104 #define PUFFS_ERR_MAX PUFFS_ERR_LISTEXTATTR 105 106 #define PUFFSVERSION 30 107 #define PUFFSNAMESIZE 32 108 109 #define PUFFS_TYPEPREFIX "puffs|" 110 111 #define PUFFS_TYPELEN (_VFS_NAMELEN - (sizeof(PUFFS_TYPEPREFIX)+1)) 112 #define PUFFS_NAMELEN (_VFS_MNAMELEN-1) 113 114 /* 115 * Just a weak typedef for code clarity. Additionally, we have a 116 * more appropriate vanity type for puffs: 117 * <uep> it should be croissant, not cookie. 118 */ 119 typedef void *puffs_cookie_t; 120 typedef puffs_cookie_t puffs_croissant_t; 121 122 struct puffs_kargs { 123 unsigned int pa_vers; 124 int pa_fd; 125 126 uint32_t pa_flags; 127 128 size_t pa_maxmsglen; 129 int pa_nhashbuckets; 130 131 size_t pa_fhsize; 132 int pa_fhflags; 133 134 uint8_t pa_vnopmask[PUFFS_VN_MAX + PUFFS_VN_SPARE]; 135 136 char pa_typename[_VFS_NAMELEN]; 137 char pa_mntfromname[_VFS_MNAMELEN]; 138 139 puffs_cookie_t pa_root_cookie; 140 enum vtype pa_root_vtype; 141 voff_t pa_root_vsize; 142 union { 143 dev_t dev; 144 uint64_t container; 145 } devunion; 146 147 struct statvfs pa_svfsb; 148 149 uint32_t pa_spare[128]; 150 }; 151 #define pa_root_rdev devunion.dev 152 153 #define PUFFS_KFLAG_NOCACHE_NAME 0x01 /* don't use name cache */ 154 #define PUFFS_KFLAG_NOCACHE_PAGE 0x02 /* don't use page cache */ 155 #define PUFFS_KFLAG_NOCACHE 0x03 /* no cache whatsoever */ 156 #define PUFFS_KFLAG_ALLOPS 0x04 /* ignore pa_vnopmask */ 157 #define PUFFS_KFLAG_WTCACHE 0x08 /* write-through page cache */ 158 #define PUFFS_KFLAG_IAONDEMAND 0x10 /* inactive only on demand */ 159 #define PUFFS_KFLAG_LOOKUP_FULLPNBUF 0x20 /* full pnbuf in lookup */ 160 #define PUFFS_KFLAG_MASK 0x3f 161 162 #define PUFFS_FHFLAG_DYNAMIC 0x01 163 #define PUFFS_FHFLAG_NFSV2 0x02 164 #define PUFFS_FHFLAG_NFSV3 0x04 165 #define PUFFS_FHFLAG_PROTOMASK 0x06 166 #define PUFFS_FHFLAG_PASSTHROUGH 0x08 167 #define PUFFS_FHFLAG_MASK 0x0f 168 169 #define PUFFS_FHSIZE_MAX 1020 /* FHANDLE_SIZE_MAX - 4 */ 170 171 struct puffs_req { 172 struct putter_hdr preq_pth; 173 174 uint64_t preq_id; 175 puffs_cookie_t preq_cookie; 176 177 uint16_t preq_opclass; 178 uint16_t preq_optype; 179 int preq_rv; 180 181 uint32_t preq_setbacks; 182 183 /* Who is making the call? Eventually host id is also needed. */ 184 pid_t preq_pid; 185 lwpid_t preq_lid; 186 187 /* 188 * the following helper pads the struct size to md alignment 189 * multiple (should size_t not cut it). it makes sure that 190 * whatever comes after this struct is aligned 191 */ 192 size_t preq_buflen; 193 uint8_t preq_buf[0] __aligned(ALIGNBYTES+1); 194 }; 195 196 #define PUFFS_SETBACK_INACT_N1 0x01 /* set VOP_INACTIVE for node 1 */ 197 #define PUFFS_SETBACK_INACT_N2 0x02 /* set VOP_INACTIVE for node 2 */ 198 #define PUFFS_SETBACK_NOREF_N1 0x04 /* set pn PN_NOREFS for node 1 */ 199 #define PUFFS_SETBACK_NOREF_N2 0x08 /* set pn PN_NOREFS for node 2 */ 200 #define PUFFS_SETBACK_MASK 0x0f 201 202 /* 203 * Flush operation. This can be used to invalidate: 204 * 1) name cache for one node 205 * 2) name cache for all children 206 * 3) name cache for the entire mount 207 * 4) page cache for a set of ranges in one node 208 * 5) page cache for one entire node 209 * 210 * It can be used to flush: 211 * 1) page cache for a set of ranges in one node 212 * 2) page cache for one entire node 213 */ 214 215 struct puffs_flush { 216 struct puffs_req pf_req; 217 218 puffs_cookie_t pf_cookie; 219 220 int pf_op; 221 off_t pf_start; 222 off_t pf_end; 223 }; 224 #define PUFFS_INVAL_NAMECACHE_NODE 0 225 #define PUFFS_INVAL_NAMECACHE_DIR 1 226 #define PUFFS_INVAL_NAMECACHE_ALL 2 227 #define PUFFS_INVAL_PAGECACHE_NODE_RANGE 3 228 #define PUFFS_FLUSH_PAGECACHE_NODE_RANGE 4 229 230 /* 231 * Credentials for an operation. Can be either struct uucred for 232 * ops called from a credential context or NOCRED/FSCRED for ops 233 * called from within the kernel. It is up to the implementation 234 * if it makes a difference between these two and the super-user. 235 */ 236 struct puffs_kcred { 237 struct uucred pkcr_uuc; 238 uint8_t pkcr_type; 239 uint8_t pkcr_internal; 240 }; 241 #define PUFFCRED_TYPE_UUC 1 242 #define PUFFCRED_TYPE_INTERNAL 2 243 #define PUFFCRED_CRED_NOCRED 1 244 #define PUFFCRED_CRED_FSCRED 2 245 246 /* 247 * 2*MAXPHYS is the max size the system will attempt to copy, 248 * else treated as garbage 249 */ 250 #define PUFFS_MSG_MAXSIZE 2*MAXPHYS 251 #define PUFFS_MSGSTRUCT_MAX 4096 /* approximate */ 252 253 #define PUFFS_EXTNAMELEN NAME_MAX /* currently same as EXTATTR_MAXNAMELEN */ 254 255 #define PUFFS_TOMOVE(a,b) (MIN((a), b->pmp_msg_maxsize - PUFFS_MSGSTRUCT_MAX)) 256 257 /* puffs struct componentname built by kernel */ 258 struct puffs_kcn { 259 /* args */ 260 uint32_t pkcn_nameiop; /* namei operation */ 261 uint32_t pkcn_flags; /* flags */ 262 263 char pkcn_name[MAXPATHLEN]; /* nulterminated path component */ 264 size_t pkcn_namelen; /* current component length */ 265 size_t pkcn_consume; /* IN: extra chars server ate */ 266 }; 267 268 269 /* 270 * Next come the individual requests. They are all subclassed from 271 * puffs_req and contain request-specific fields in addition. Note 272 * that there are some requests which have to handle arbitrary-length 273 * buffers. 274 * 275 * The division is the following: puffs_req is to be touched only 276 * by generic routines while the other stuff is supposed to be 277 * modified only by specific routines. 278 */ 279 280 /* 281 * aux structures for vfs operations. 282 */ 283 struct puffs_vfsmsg_unmount { 284 struct puffs_req pvfsr_pr; 285 286 int pvfsr_flags; 287 }; 288 289 struct puffs_vfsmsg_statvfs { 290 struct puffs_req pvfsr_pr; 291 292 struct statvfs pvfsr_sb; 293 }; 294 295 struct puffs_vfsmsg_sync { 296 struct puffs_req pvfsr_pr; 297 298 struct puffs_kcred pvfsr_cred; 299 int pvfsr_waitfor; 300 }; 301 302 struct puffs_vfsmsg_fhtonode { 303 struct puffs_req pvfsr_pr; 304 305 void *pvfsr_fhcookie; /* IN */ 306 enum vtype pvfsr_vtype; /* IN */ 307 voff_t pvfsr_size; /* IN */ 308 dev_t pvfsr_rdev; /* IN */ 309 310 size_t pvfsr_dsize; /* OUT */ 311 uint8_t pvfsr_data[0] /* OUT, XXX */ 312 __aligned(ALIGNBYTES+1); 313 }; 314 315 struct puffs_vfsmsg_nodetofh { 316 struct puffs_req pvfsr_pr; 317 318 void *pvfsr_fhcookie; /* OUT */ 319 320 size_t pvfsr_dsize; /* OUT/IN */ 321 uint8_t pvfsr_data[0] /* IN, XXX */ 322 __aligned(ALIGNBYTES+1); 323 }; 324 325 struct puffs_vfsmsg_suspend { 326 struct puffs_req pvfsr_pr; 327 328 int pvfsr_status; 329 }; 330 #define PUFFS_SUSPEND_START 0 331 #define PUFFS_SUSPEND_SUSPENDED 1 332 #define PUFFS_SUSPEND_RESUME 2 333 #define PUFFS_SUSPEND_ERROR 3 334 335 #define PUFFS_EXTATTRCTL_HASNODE 0x01 336 #define PUFFS_EXTATTRCTL_HASATTRNAME 0x02 337 struct puffs_vfsmsg_extattrctl { 338 struct puffs_req pvfsr_pr; 339 340 int pvfsr_cmd; /* OUT */ 341 int pvfsr_attrnamespace; /* OUT */ 342 int pvfsr_flags; /* OUT */ 343 char pvfsr_attrname[PUFFS_EXTNAMELEN]; /* OUT */ 344 }; 345 346 /* 347 * aux structures for vnode operations. 348 */ 349 350 struct puffs_vnmsg_lookup { 351 struct puffs_req pvn_pr; 352 353 struct puffs_kcn pvnr_cn; /* OUT */ 354 struct puffs_kcred pvnr_cn_cred; /* OUT */ 355 356 puffs_cookie_t pvnr_newnode; /* IN */ 357 enum vtype pvnr_vtype; /* IN */ 358 voff_t pvnr_size; /* IN */ 359 dev_t pvnr_rdev; /* IN */ 360 }; 361 362 struct puffs_vnmsg_create { 363 struct puffs_req pvn_pr; 364 365 struct puffs_kcn pvnr_cn; /* OUT */ 366 struct puffs_kcred pvnr_cn_cred; /* OUT */ 367 368 struct vattr pvnr_va; /* OUT */ 369 puffs_cookie_t pvnr_newnode; /* IN */ 370 }; 371 372 struct puffs_vnmsg_mknod { 373 struct puffs_req pvn_pr; 374 375 struct puffs_kcn pvnr_cn; /* OUT */ 376 struct puffs_kcred pvnr_cn_cred; /* OUT */ 377 378 struct vattr pvnr_va; /* OUT */ 379 puffs_cookie_t pvnr_newnode; /* IN */ 380 }; 381 382 struct puffs_vnmsg_open { 383 struct puffs_req pvn_pr; 384 385 struct puffs_kcred pvnr_cred; /* OUT */ 386 int pvnr_mode; /* OUT */ 387 }; 388 389 struct puffs_vnmsg_close { 390 struct puffs_req pvn_pr; 391 392 struct puffs_kcred pvnr_cred; /* OUT */ 393 int pvnr_fflag; /* OUT */ 394 }; 395 396 struct puffs_vnmsg_access { 397 struct puffs_req pvn_pr; 398 399 struct puffs_kcred pvnr_cred; /* OUT */ 400 int pvnr_mode; /* OUT */ 401 }; 402 403 #define puffs_vnmsg_setattr puffs_vnmsg_setgetattr 404 #define puffs_vnmsg_getattr puffs_vnmsg_setgetattr 405 struct puffs_vnmsg_setgetattr { 406 struct puffs_req pvn_pr; 407 408 struct puffs_kcred pvnr_cred; /* OUT */ 409 struct vattr pvnr_va; /* IN/OUT (op depend) */ 410 }; 411 412 #define puffs_vnmsg_read puffs_vnmsg_rw 413 #define puffs_vnmsg_write puffs_vnmsg_rw 414 struct puffs_vnmsg_rw { 415 struct puffs_req pvn_pr; 416 417 struct puffs_kcred pvnr_cred; /* OUT */ 418 off_t pvnr_offset; /* OUT */ 419 size_t pvnr_resid; /* IN/OUT */ 420 int pvnr_ioflag; /* OUT */ 421 422 uint8_t pvnr_data[0]; /* IN/OUT (wr/rd) */ 423 }; 424 425 #define puffs_vnmsg_ioctl puffs_vnreq_fcnioctl 426 #define puffs_vnmsg_fcntl puffs_vnreq_fcnioctl 427 struct puffs_vnmsg_fcnioctl { 428 struct puffs_req pvn_pr; 429 430 struct puffs_kcred pvnr_cred; 431 u_long pvnr_command; 432 pid_t pvnr_pid; 433 int pvnr_fflag; 434 435 void *pvnr_data; 436 size_t pvnr_datalen; 437 int pvnr_copyback; 438 }; 439 440 struct puffs_vnmsg_poll { 441 struct puffs_req pvn_pr; 442 443 int pvnr_events; /* IN/OUT */ 444 }; 445 446 struct puffs_vnmsg_fsync { 447 struct puffs_req pvn_pr; 448 449 struct puffs_kcred pvnr_cred; /* OUT */ 450 off_t pvnr_offlo; /* OUT */ 451 off_t pvnr_offhi; /* OUT */ 452 int pvnr_flags; /* OUT */ 453 }; 454 455 struct puffs_vnmsg_seek { 456 struct puffs_req pvn_pr; 457 458 struct puffs_kcred pvnr_cred; /* OUT */ 459 off_t pvnr_oldoff; /* OUT */ 460 off_t pvnr_newoff; /* OUT */ 461 }; 462 463 struct puffs_vnmsg_remove { 464 struct puffs_req pvn_pr; 465 466 struct puffs_kcn pvnr_cn; /* OUT */ 467 struct puffs_kcred pvnr_cn_cred; /* OUT */ 468 469 puffs_cookie_t pvnr_cookie_targ; /* OUT */ 470 }; 471 472 struct puffs_vnmsg_mkdir { 473 struct puffs_req pvn_pr; 474 475 struct puffs_kcn pvnr_cn; /* OUT */ 476 struct puffs_kcred pvnr_cn_cred; /* OUT */ 477 478 struct vattr pvnr_va; /* OUT */ 479 puffs_cookie_t pvnr_newnode; /* IN */ 480 }; 481 482 struct puffs_vnmsg_rmdir { 483 struct puffs_req pvn_pr; 484 485 struct puffs_kcn pvnr_cn; /* OUT */ 486 struct puffs_kcred pvnr_cn_cred; /* OUT */ 487 488 puffs_cookie_t pvnr_cookie_targ; /* OUT */ 489 }; 490 491 struct puffs_vnmsg_link { 492 struct puffs_req pvn_pr; 493 494 struct puffs_kcn pvnr_cn; /* OUT */ 495 struct puffs_kcred pvnr_cn_cred; /* OUT */ 496 497 puffs_cookie_t pvnr_cookie_targ; /* OUT */ 498 }; 499 500 struct puffs_vnmsg_rename { 501 struct puffs_req pvn_pr; 502 503 struct puffs_kcn pvnr_cn_src; /* OUT */ 504 struct puffs_kcred pvnr_cn_src_cred; /* OUT */ 505 struct puffs_kcn pvnr_cn_targ; /* OUT */ 506 struct puffs_kcred pvnr_cn_targ_cred; /* OUT */ 507 508 puffs_cookie_t pvnr_cookie_src; /* OUT */ 509 puffs_cookie_t pvnr_cookie_targ; /* OUT */ 510 puffs_cookie_t pvnr_cookie_targdir; /* OUT */ 511 }; 512 513 struct puffs_vnmsg_symlink { 514 struct puffs_req pvn_pr; 515 516 struct puffs_kcn pvnr_cn; /* OUT */ 517 struct puffs_kcred pvnr_cn_cred; /* OUT */ 518 519 struct vattr pvnr_va; /* OUT */ 520 puffs_cookie_t pvnr_newnode; /* IN */ 521 char pvnr_link[MAXPATHLEN]; /* OUT */ 522 }; 523 524 struct puffs_vnmsg_readdir { 525 struct puffs_req pvn_pr; 526 527 struct puffs_kcred pvnr_cred; /* OUT */ 528 off_t pvnr_offset; /* IN/OUT */ 529 size_t pvnr_resid; /* IN/OUT */ 530 size_t pvnr_ncookies; /* IN/OUT */ 531 int pvnr_eofflag; /* IN */ 532 533 size_t pvnr_dentoff; /* OUT */ 534 uint8_t pvnr_data[0] /* IN */ 535 __aligned(ALIGNBYTES+1); 536 }; 537 538 struct puffs_vnmsg_readlink { 539 struct puffs_req pvn_pr; 540 541 struct puffs_kcred pvnr_cred; /* OUT */ 542 size_t pvnr_linklen; /* IN */ 543 char pvnr_link[MAXPATHLEN]; /* IN */ 544 }; 545 546 struct puffs_vnmsg_reclaim { 547 struct puffs_req pvn_pr; 548 }; 549 550 struct puffs_vnmsg_inactive { 551 struct puffs_req pvn_pr; 552 }; 553 554 struct puffs_vnmsg_print { 555 struct puffs_req pvn_pr; 556 557 /* empty */ 558 }; 559 560 struct puffs_vnmsg_pathconf { 561 struct puffs_req pvn_pr; 562 563 int pvnr_name; /* OUT */ 564 int pvnr_retval; /* IN */ 565 }; 566 567 struct puffs_vnmsg_advlock { 568 struct puffs_req pvn_pr; 569 570 struct flock pvnr_fl; /* OUT */ 571 void *pvnr_id; /* OUT */ 572 int pvnr_op; /* OUT */ 573 int pvnr_flags; /* OUT */ 574 }; 575 576 struct puffs_vnmsg_mmap { 577 struct puffs_req pvn_pr; 578 579 vm_prot_t pvnr_prot; /* OUT */ 580 struct puffs_kcred pvnr_cred; /* OUT */ 581 }; 582 583 struct puffs_vnmsg_abortop { 584 struct puffs_req pvn_pr; 585 586 struct puffs_kcn pvnr_cn; /* OUT */ 587 struct puffs_kcred pvnr_cn_cred; /* OUT */ 588 }; 589 590 struct puffs_vnmsg_getextattr { 591 struct puffs_req pvn_pr; 592 593 int pvnr_attrnamespace; /* OUT */ 594 char pvnr_attrname[PUFFS_EXTNAMELEN];/* OUT */ 595 596 struct puffs_kcred pvnr_cred; /* OUT */ 597 size_t pvnr_datasize; /* IN */ 598 599 size_t pvnr_resid; /* IN/OUT */ 600 uint8_t pvnr_data[0] /* IN */ 601 __aligned(ALIGNBYTES+1); 602 }; 603 604 struct puffs_vnmsg_setextattr { 605 struct puffs_req pvn_pr; 606 607 int pvnr_attrnamespace; /* OUT */ 608 char pvnr_attrname[PUFFS_EXTNAMELEN];/* OUT */ 609 610 struct puffs_kcred pvnr_cred; /* OUT */ 611 612 size_t pvnr_resid; /* IN/OUT */ 613 uint8_t pvnr_data[0] /* OUT */ 614 __aligned(ALIGNBYTES+1); 615 }; 616 617 struct puffs_vnmsg_listextattr { 618 struct puffs_req pvn_pr; 619 620 int pvnr_attrnamespace; /* OUT */ 621 622 struct puffs_kcred pvnr_cred; /* OUT */ 623 size_t pvnr_datasize; /* IN */ 624 625 size_t pvnr_resid; /* IN/OUT */ 626 uint8_t pvnr_data[0] /* IN */ 627 __aligned(ALIGNBYTES+1); 628 }; 629 630 struct puffs_vnmsg_deleteextattr { 631 struct puffs_req pvn_pr; 632 633 int pvnr_attrnamespace; /* OUT */ 634 char pvnr_attrname[PUFFS_EXTNAMELEN];/* OUT */ 635 636 struct puffs_kcred pvnr_cred; /* OUT */ 637 }; 638 639 /* 640 * For cache reports. Everything is always out-out-out, no replies 641 */ 642 643 struct puffs_cacherun { 644 off_t pcache_runstart; 645 off_t pcache_runend; 646 }; 647 648 /* cache info. old used for write now */ 649 struct puffs_cacheinfo { 650 struct puffs_req pcache_pr; 651 652 int pcache_type; 653 size_t pcache_nruns; 654 struct puffs_cacherun pcache_runs[0]; 655 }; 656 #define PCACHE_TYPE_READ 0 657 #define PCACHE_TYPE_WRITE 1 658 659 /* 660 * Error notification. Always outgoing, no response, no remorse. 661 */ 662 struct puffs_error { 663 struct puffs_req perr_pr; 664 665 int perr_error; 666 char perr_str[256]; 667 }; 668 669 #endif /* _FS_PUFFS_PUFFS_MSGIF_H_ */ 670
Indexes created Tue Sep 30 11:09:46 GMT 2025