puffs_msgif.h revision 1.58
1 /* $NetBSD: puffs_msgif.h,v 1.58 2007/10/19 14:38:45 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 <uvm/uvm_prot.h> 46 47 /* XXX: sanitize */ 48 struct puffs_frame { 49 uint32_t pfr_len; 50 uint32_t pfr_type; 51 uint32_t pfr_alloclen; 52 }; 53 54 #define PUFFSOP_VFS 0x01 /* read/write */ 55 #define PUFFSOP_VN 0x02 /* read/write */ 56 #define PUFFSOP_CACHE 0x03 /* read */ 57 #define PUFFSOP_ERROR 0x04 /* read */ 58 #define PUFFSOP_FLUSH 0x05 /* write */ 59 #define PUFFSOP_SUSPEND 0x06 /* write */ 60 #define PUFFSOPFLAG_FAF 0x10 /* fire-and-forget */ 61 62 #define PUFFSOP_OPCMASK 0x07 63 #define PUFFSOP_OPCLASS(a) ((a) & PUFFSOP_OPCMASK) 64 #define PUFFSOP_WANTREPLY(a) (((a) & PUFFSOPFLAG_FAF) == 0) 65 66 /* XXX: we don't need everything */ 67 enum { 68 PUFFS_VFS_MOUNT, PUFFS_VFS_START, PUFFS_VFS_UNMOUNT, 69 PUFFS_VFS_ROOT, PUFFS_VFS_STATVFS, PUFFS_VFS_SYNC, 70 PUFFS_VFS_VGET, PUFFS_VFS_FHTOVP, PUFFS_VFS_VPTOFH, 71 PUFFS_VFS_INIT, PUFFS_VFS_DONE, PUFFS_VFS_SNAPSHOT, 72 PUFFS_VFS_EXTATTCTL, PUFFS_VFS_SUSPEND 73 }; 74 #define PUFFS_VFS_MAX PUFFS_VFS_EXTATTCTL 75 76 /* moreXXX: we don't need everything here either */ 77 enum { 78 PUFFS_VN_LOOKUP, PUFFS_VN_CREATE, PUFFS_VN_MKNOD, 79 PUFFS_VN_OPEN, PUFFS_VN_CLOSE, PUFFS_VN_ACCESS, 80 PUFFS_VN_GETATTR, PUFFS_VN_SETATTR, PUFFS_VN_READ, 81 PUFFS_VN_WRITE, PUFFS_VN_IOCTL, PUFFS_VN_FCNTL, 82 PUFFS_VN_POLL, PUFFS_VN_KQFILTER, PUFFS_VN_REVOKE, 83 PUFFS_VN_MMAP, PUFFS_VN_FSYNC, PUFFS_VN_SEEK, 84 PUFFS_VN_REMOVE, PUFFS_VN_LINK, PUFFS_VN_RENAME, 85 PUFFS_VN_MKDIR, PUFFS_VN_RMDIR, PUFFS_VN_SYMLINK, 86 PUFFS_VN_READDIR, PUFFS_VN_READLINK, PUFFS_VN_ABORTOP, 87 PUFFS_VN_INACTIVE, PUFFS_VN_RECLAIM, PUFFS_VN_LOCK, 88 PUFFS_VN_UNLOCK, PUFFS_VN_BMAP, PUFFS_VN_STRATEGY, 89 PUFFS_VN_PRINT, PUFFS_VN_ISLOCKED, PUFFS_VN_PATHCONF, 90 PUFFS_VN_ADVLOCK, PUFFS_VN_LEASE, PUFFS_VN_WHITEOUT, 91 PUFFS_VN_GETPAGES, PUFFS_VN_PUTPAGES, PUFFS_VN_GETEXTATTR, 92 PUFFS_VN_LISTEXTATTR, PUFFS_VN_OPENEXTATTR, PUFFS_VN_DELETEEXTATTR, 93 PUFFS_VN_SETEXTATTR 94 }; 95 #define PUFFS_VN_MAX PUFFS_VN_SETEXTATTR 96 97 /* 98 * These signal invalid parameters the file system returned. 99 */ 100 enum { 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_ERROR 104 }; 105 #define PUFFS_ERR_MAX PUFFS_ERR_VPTOFH 106 107 #define PUFFSDEVELVERS 0x80000000 108 #define PUFFSVERSION 21 109 #define PUFFSNAMESIZE 32 110 111 #define PUFFS_TYPEPREFIX "puffs|" 112 113 #define PUFFS_TYPELEN (_VFS_NAMELEN - (sizeof(PUFFS_TYPEPREFIX)+1)) 114 #define PUFFS_NAMELEN (_VFS_MNAMELEN-1) 115 116 struct puffs_kargs { 117 unsigned int pa_vers; 118 int pa_fd; 119 120 uint32_t pa_flags; 121 122 size_t pa_maxmsglen; 123 int pa_nhashbuckets; 124 125 size_t pa_fhsize; 126 int pa_fhflags; 127 128 void *pa_root_cookie; 129 enum vtype pa_root_vtype; 130 voff_t pa_root_vsize; 131 dev_t pa_root_rdev; 132 133 struct statvfs pa_svfsb; 134 135 char pa_typename[_VFS_NAMELEN]; 136 char pa_mntfromname[_VFS_MNAMELEN]; 137 138 uint8_t pa_vnopmask[PUFFS_VN_MAX]; 139 }; 140 #define PUFFS_KFLAG_NOCACHE_NAME 0x01 /* don't use name cache */ 141 #define PUFFS_KFLAG_NOCACHE_PAGE 0x02 /* don't use page cache */ 142 #define PUFFS_KFLAG_NOCACHE 0x03 /* no cache whatsoever */ 143 #define PUFFS_KFLAG_ALLOPS 0x04 /* ignore pa_vnopmask */ 144 #define PUFFS_KFLAG_WTCACHE 0x08 /* write-through page cache */ 145 #define PUFFS_KFLAG_IAONDEMAND 0x10 /* inactive only on demand */ 146 #define PUFFS_KFLAG_LOOKUP_FULLPNBUF 0x20 /* full pnbuf in lookup */ 147 #define PUFFS_KFLAG_MASK 0x3f 148 149 #define PUFFS_FHFLAG_DYNAMIC 0x01 150 #define PUFFS_FHFLAG_NFSV2 0x02 151 #define PUFFS_FHFLAG_NFSV3 0x04 152 #define PUFFS_FHFLAG_PROTOMASK 0x06 153 #define PUFFS_FHFLAG_PASSTHROUGH 0x08 154 #define PUFFS_FHFLAG_MASK 0x0f 155 156 #define PUFFS_FHSIZE_MAX 1020 /* XXX: FHANDLE_SIZE_MAX - 4 */ 157 158 /* 159 * This is the device minor number for the cloning device. Make it 160 * a high number "just in case", even though we don't want to open 161 * any specific devices currently. 162 */ 163 #define PUFFS_CLONER 0x7ffff 164 165 struct puffs_req { 166 struct puffs_frame preq_frhdr; 167 168 uint16_t preq_opclass; 169 uint16_t preq_optype; 170 171 uint64_t preq_id; 172 void *preq_cookie; 173 174 int preq_rv; 175 176 uint32_t preq_setbacks; 177 178 /* 179 * the following helper pads the struct size to md alignment 180 * multiple (should size_t not cut it). it makes sure that 181 * whatever comes after this struct is aligned 182 */ 183 size_t preq_buflen; 184 uint8_t preq_buf[0] __aligned(ALIGNBYTES+1); 185 }; 186 187 struct puffs_reqh_get { 188 void *phg_buf; /* user buffer */ 189 size_t phg_buflen; /* user buffer length */ 190 191 int phg_nops; /* max ops user wants / number delivered */ 192 int phg_more; /* advisory: more ops available? */ 193 }; 194 195 struct puffs_reqh_put { 196 int php_nops; /* ops available / ops handled */ 197 198 /* these describe the first request */ 199 uint64_t php_id; /* request id */ 200 void *php_buf; /* user buffer address */ 201 size_t php_buflen; /* user buffer length, hdr NOT incl. */ 202 }; 203 204 #define PUFFS_SETBACK_INACT_N1 0x01 /* set VOP_INACTIVE for node 1 */ 205 #define PUFFS_SETBACK_INACT_N2 0x02 /* set VOP_INACTIVE for node 2 */ 206 #define PUFFS_SETBACK_NOREF_N1 0x04 /* set pn PN_NOREFS for node 1 */ 207 #define PUFFS_SETBACK_NOREF_N2 0x08 /* set pn PN_NOREFS for node 2 */ 208 #define PUFFS_SETBACK_MASK 0x0f 209 210 /* 211 * Flush operation. This can be used to invalidate: 212 * 1) name cache for one node 213 * 2) name cache for all children 214 * 3) name cache for the entire mount 215 * 4) page cache for a set of ranges in one node 216 * 5) page cache for one entire node 217 * 218 * It can be used to flush: 219 * 1) page cache for a set of ranges in one node 220 * 2) page cache for one entire node 221 */ 222 223 /* XXX: needs restructuring */ 224 struct puffs_flush { 225 struct puffs_frame pf_frhdr; 226 227 void *pf_cookie; 228 229 int pf_op; 230 off_t pf_start; 231 off_t pf_end; 232 }; 233 #define PUFFS_INVAL_NAMECACHE_NODE 0 234 #define PUFFS_INVAL_NAMECACHE_DIR 1 235 #define PUFFS_INVAL_NAMECACHE_ALL 2 236 #define PUFFS_INVAL_PAGECACHE_NODE_RANGE 3 237 #define PUFFS_FLUSH_PAGECACHE_NODE_RANGE 4 238 239 /* keep this for now */ 240 #define PUFFSREQSIZEOP _IOR ('p', 1, size_t) 241 242 /* 243 * Credentials for an operation. Can be either struct uucred for 244 * ops called from a credential context or NOCRED/FSCRED for ops 245 * called from within the kernel. It is up to the implementation 246 * if it makes a difference between these two and the super-user. 247 */ 248 struct puffs_kcred { 249 struct uucred pkcr_uuc; 250 uint8_t pkcr_type; 251 uint8_t pkcr_internal; 252 }; 253 #define PUFFCRED_TYPE_UUC 1 254 #define PUFFCRED_TYPE_INTERNAL 2 255 #define PUFFCRED_CRED_NOCRED 1 256 #define PUFFCRED_CRED_FSCRED 2 257 258 /* 259 * 2*MAXPHYS is the max size the system will attempt to copy, 260 * else treated as garbage 261 */ 262 #define PUFFS_MSG_MAXSIZE 2*MAXPHYS 263 #define PUFFS_MSGSTRUCT_MAX 4096 /* XXX: approxkludge */ 264 265 #define PUFFS_TOMOVE(a,b) (MIN((a), b->pmp_msg_maxsize - PUFFS_MSGSTRUCT_MAX)) 266 267 /* caller id */ 268 struct puffs_kcid { 269 int pkcid_type; 270 pid_t pkcid_pid; 271 lwpid_t pkcid_lwpid; 272 }; 273 #define PUFFCID_TYPE_REAL 1 274 #define PUFFCID_TYPE_FAKE 2 275 276 /* puffs struct componentname built by kernel */ 277 struct puffs_kcn { 278 /* args */ 279 uint32_t pkcn_nameiop; /* namei operation */ 280 uint32_t pkcn_flags; /* flags */ 281 282 char pkcn_name[MAXPATHLEN]; /* nulterminated path component */ 283 size_t pkcn_namelen; /* current component length */ 284 size_t pkcn_consume; /* IN: extra chars server ate */ 285 }; 286 287 288 /* 289 * Next come the individual requests. They are all subclassed from 290 * puffs_req and contain request-specific fields in addition. Note 291 * that there are some requests which have to handle arbitrary-length 292 * buffers. 293 * 294 * The division is the following: puffs_req is to be touched only 295 * by generic routines while the other stuff is supposed to be 296 * modified only by specific routines. 297 */ 298 299 /* 300 * aux structures for vfs operations. 301 */ 302 struct puffs_vfsmsg_unmount { 303 struct puffs_req pvfsr_pr; 304 305 int pvfsr_flags; 306 struct puffs_kcid pvfsr_cid; 307 }; 308 309 struct puffs_vfsmsg_statvfs { 310 struct puffs_req pvfsr_pr; 311 312 struct statvfs pvfsr_sb; 313 struct puffs_kcid pvfsr_cid; 314 }; 315 316 struct puffs_vfsmsg_sync { 317 struct puffs_req pvfsr_pr; 318 319 struct puffs_kcred pvfsr_cred; 320 struct puffs_kcid pvfsr_cid; 321 int pvfsr_waitfor; 322 }; 323 324 struct puffs_vfsmsg_fhtonode { 325 struct puffs_req pvfsr_pr; 326 327 void *pvfsr_fhcookie; /* IN */ 328 enum vtype pvfsr_vtype; /* IN */ 329 voff_t pvfsr_size; /* IN */ 330 dev_t pvfsr_rdev; /* IN */ 331 332 size_t pvfsr_dsize; /* OUT */ 333 uint8_t pvfsr_data[0] /* OUT, XXX */ 334 __aligned(ALIGNBYTES+1); 335 }; 336 337 struct puffs_vfsmsg_nodetofh { 338 struct puffs_req pvfsr_pr; 339 340 void *pvfsr_fhcookie; /* OUT */ 341 342 size_t pvfsr_dsize; /* OUT/IN */ 343 uint8_t pvfsr_data[0] /* IN, XXX */ 344 __aligned(ALIGNBYTES+1); 345 }; 346 347 struct puffs_vfsmsg_suspend { 348 struct puffs_req pvfsr_pr; 349 350 int pvfsr_status; 351 }; 352 #define PUFFS_SUSPEND_START 0 353 #define PUFFS_SUSPEND_SUSPENDED 1 354 #define PUFFS_SUSPEND_RESUME 2 355 #define PUFFS_SUSPEND_ERROR 3 356 357 /* 358 * aux structures for vnode operations. 359 */ 360 361 struct puffs_vnmsg_lookup { 362 struct puffs_req pvn_pr; 363 364 struct puffs_kcn pvnr_cn; /* OUT */ 365 struct puffs_kcred pvnr_cn_cred; /* OUT */ 366 struct puffs_kcid pvnr_cn_cid; /* OUT */ 367 368 void *pvnr_newnode; /* IN */ 369 enum vtype pvnr_vtype; /* IN */ 370 voff_t pvnr_size; /* IN */ 371 dev_t pvnr_rdev; /* IN */ 372 }; 373 374 struct puffs_vnmsg_create { 375 struct puffs_req pvn_pr; 376 377 struct puffs_kcn pvnr_cn; /* OUT */ 378 struct puffs_kcred pvnr_cn_cred; /* OUT */ 379 struct puffs_kcid pvnr_cn_cid; /* OUT */ 380 381 struct vattr pvnr_va; /* OUT */ 382 void *pvnr_newnode; /* IN */ 383 }; 384 385 struct puffs_vnmsg_mknod { 386 struct puffs_req pvn_pr; 387 388 struct puffs_kcn pvnr_cn; /* OUT */ 389 struct puffs_kcred pvnr_cn_cred; /* OUT */ 390 struct puffs_kcid pvnr_cn_cid; /* OUT */ 391 392 struct vattr pvnr_va; /* OUT */ 393 void *pvnr_newnode; /* IN */ 394 }; 395 396 struct puffs_vnmsg_open { 397 struct puffs_req pvn_pr; 398 399 struct puffs_kcred pvnr_cred; /* OUT */ 400 struct puffs_kcid pvnr_cid; /* OUT */ 401 int pvnr_mode; /* OUT */ 402 }; 403 404 struct puffs_vnmsg_close { 405 struct puffs_req pvn_pr; 406 407 struct puffs_kcred pvnr_cred; /* OUT */ 408 struct puffs_kcid pvnr_cid; /* OUT */ 409 int pvnr_fflag; /* OUT */ 410 }; 411 412 struct puffs_vnmsg_access { 413 struct puffs_req pvn_pr; 414 415 struct puffs_kcred pvnr_cred; /* OUT */ 416 struct puffs_kcid pvnr_cid; /* OUT */ 417 int pvnr_mode; /* OUT */ 418 }; 419 420 #define puffs_vnmsg_setattr puffs_vnmsg_setgetattr 421 #define puffs_vnmsg_getattr puffs_vnmsg_setgetattr 422 struct puffs_vnmsg_setgetattr { 423 struct puffs_req pvn_pr; 424 425 struct puffs_kcred pvnr_cred; /* OUT */ 426 struct puffs_kcid pvnr_cid; /* OUT */ 427 struct vattr pvnr_va; /* IN/OUT (op depend) */ 428 }; 429 430 #define puffs_vnmsg_read puffs_vnmsg_rw 431 #define puffs_vnmsg_write puffs_vnmsg_rw 432 struct puffs_vnmsg_rw { 433 struct puffs_req pvn_pr; 434 435 struct puffs_kcred pvnr_cred; /* OUT */ 436 off_t pvnr_offset; /* OUT */ 437 size_t pvnr_resid; /* IN/OUT */ 438 int pvnr_ioflag; /* OUT */ 439 440 uint8_t pvnr_data[0]; /* IN/OUT (wr/rd) */ 441 }; 442 443 #define puffs_vnmsg_ioctl puffs_vnreq_fcnioctl 444 #define puffs_vnmsg_fcntl puffs_vnreq_fcnioctl 445 struct puffs_vnmsg_fcnioctl { 446 struct puffs_req pvn_pr; 447 448 struct puffs_kcred pvnr_cred; 449 u_long pvnr_command; 450 pid_t pvnr_pid; 451 int pvnr_fflag; 452 453 void *pvnr_data; 454 size_t pvnr_datalen; 455 int pvnr_copyback; 456 }; 457 458 struct puffs_vnmsg_poll { 459 struct puffs_req pvn_pr; 460 461 int pvnr_events; /* IN/OUT */ 462 struct puffs_kcid pvnr_cid; /* OUT */ 463 }; 464 465 struct puffs_vnmsg_fsync { 466 struct puffs_req pvn_pr; 467 468 struct puffs_kcred pvnr_cred; /* OUT */ 469 struct puffs_kcid pvnr_cid; /* OUT */ 470 off_t pvnr_offlo; /* OUT */ 471 off_t pvnr_offhi; /* OUT */ 472 int pvnr_flags; /* OUT */ 473 }; 474 475 struct puffs_vnmsg_seek { 476 struct puffs_req pvn_pr; 477 478 struct puffs_kcred pvnr_cred; /* OUT */ 479 off_t pvnr_oldoff; /* OUT */ 480 off_t pvnr_newoff; /* OUT */ 481 }; 482 483 struct puffs_vnmsg_remove { 484 struct puffs_req pvn_pr; 485 486 struct puffs_kcn pvnr_cn; /* OUT */ 487 struct puffs_kcred pvnr_cn_cred; /* OUT */ 488 struct puffs_kcid pvnr_cn_cid; /* OUT */ 489 490 void *pvnr_cookie_targ; /* OUT */ 491 }; 492 493 struct puffs_vnmsg_mkdir { 494 struct puffs_req pvn_pr; 495 496 struct puffs_kcn pvnr_cn; /* OUT */ 497 struct puffs_kcred pvnr_cn_cred; /* OUT */ 498 struct puffs_kcid pvnr_cn_cid; /* OUT */ 499 500 struct vattr pvnr_va; /* OUT */ 501 void *pvnr_newnode; /* IN */ 502 }; 503 504 struct puffs_vnmsg_rmdir { 505 struct puffs_req pvn_pr; 506 507 struct puffs_kcn pvnr_cn; /* OUT */ 508 struct puffs_kcred pvnr_cn_cred; /* OUT */ 509 struct puffs_kcid pvnr_cn_cid; /* OUT */ 510 511 void *pvnr_cookie_targ; /* OUT */ 512 }; 513 514 struct puffs_vnmsg_link { 515 struct puffs_req pvn_pr; 516 517 struct puffs_kcn pvnr_cn; /* OUT */ 518 struct puffs_kcred pvnr_cn_cred; /* OUT */ 519 struct puffs_kcid pvnr_cn_cid; /* OUT */ 520 521 void *pvnr_cookie_targ; /* OUT */ 522 }; 523 524 struct puffs_vnmsg_rename { 525 struct puffs_req pvn_pr; 526 527 struct puffs_kcn pvnr_cn_src; /* OUT */ 528 struct puffs_kcred pvnr_cn_src_cred; /* OUT */ 529 struct puffs_kcid pvnr_cn_src_cid; /* OUT */ 530 struct puffs_kcn pvnr_cn_targ; /* OUT */ 531 struct puffs_kcred pvnr_cn_targ_cred; /* OUT */ 532 struct puffs_kcid pvnr_cn_targ_cid; /* OUT */ 533 534 void *pvnr_cookie_src; /* OUT */ 535 void *pvnr_cookie_targ; /* OUT */ 536 void *pvnr_cookie_targdir; /* OUT */ 537 }; 538 539 struct puffs_vnmsg_symlink { 540 struct puffs_req pvn_pr; 541 542 struct puffs_kcn pvnr_cn; /* OUT */ 543 struct puffs_kcred pvnr_cn_cred; /* OUT */ 544 struct puffs_kcid pvnr_cn_cid; /* OUT */ 545 546 struct vattr pvnr_va; /* OUT */ 547 void *pvnr_newnode; /* IN */ 548 char pvnr_link[MAXPATHLEN]; /* OUT */ 549 }; 550 551 struct puffs_vnmsg_readdir { 552 struct puffs_req pvn_pr; 553 554 struct puffs_kcred pvnr_cred; /* OUT */ 555 off_t pvnr_offset; /* IN/OUT */ 556 size_t pvnr_resid; /* IN/OUT */ 557 size_t pvnr_ncookies; /* IN/OUT */ 558 int pvnr_eofflag; /* IN */ 559 560 size_t pvnr_dentoff; /* OUT */ 561 uint8_t pvnr_data[0] /* IN */ 562 __aligned(ALIGNBYTES+1); 563 }; 564 565 struct puffs_vnmsg_readlink { 566 struct puffs_req pvn_pr; 567 568 struct puffs_kcred pvnr_cred; /* OUT */ 569 size_t pvnr_linklen; /* IN */ 570 char pvnr_link[MAXPATHLEN]; /* IN, XXX */ 571 }; 572 573 struct puffs_vnmsg_reclaim { 574 struct puffs_req pvn_pr; 575 576 struct puffs_kcid pvnr_cid; /* OUT */ 577 }; 578 579 struct puffs_vnmsg_inactive { 580 struct puffs_req pvn_pr; 581 582 struct puffs_kcid pvnr_cid; /* OUT */ 583 }; 584 585 struct puffs_vnmsg_print { 586 struct puffs_req pvn_pr; 587 588 /* empty */ 589 }; 590 591 struct puffs_vnmsg_pathconf { 592 struct puffs_req pvn_pr; 593 594 int pvnr_name; /* OUT */ 595 int pvnr_retval; /* IN */ 596 }; 597 598 struct puffs_vnmsg_advlock { 599 struct puffs_req pvn_pr; 600 601 struct flock pvnr_fl; /* OUT */ 602 void *pvnr_id; /* OUT */ 603 int pvnr_op; /* OUT */ 604 int pvnr_flags; /* OUT */ 605 }; 606 607 struct puffs_vnmsg_mmap { 608 struct puffs_req pvn_pr; 609 610 vm_prot_t pvnr_prot; /* OUT */ 611 struct puffs_kcred pvnr_cred; /* OUT */ 612 struct puffs_kcid pvnr_cid; /* OUT */ 613 }; 614 615 616 /* 617 * For cache reports. Everything is always out-out-out, no replies 618 */ 619 620 struct puffs_cacherun { 621 off_t pcache_runstart; 622 off_t pcache_runend; 623 }; 624 625 /* cache info. old used for write now */ 626 struct puffs_cacheinfo { 627 struct puffs_req pcache_pr; 628 629 int pcache_type; 630 size_t pcache_nruns; 631 struct puffs_cacherun pcache_runs[0]; 632 }; 633 #define PCACHE_TYPE_READ 0 634 #define PCACHE_TYPE_WRITE 1 635 636 /* 637 * Error notification. Always outgoing, no response, no remorse. 638 */ 639 struct puffs_error { 640 struct puffs_req perr_pr; 641 642 int perr_error; 643 char perr_str[256]; 644 }; 645 646 #endif /* _FS_PUFFS_PUFFS_MSGIF_H_ */ 647
Indexes created Thu Oct 02 10:09:58 GMT 2025