puffs_msgif.h revision 1.60
1 /* $NetBSD: puffs_msgif.h,v 1.60 2007/11/12 16:39:35 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 /* read/write */ 50 #define PUFFSOP_VN 0x02 /* read/write */ 51 #define PUFFSOP_CACHE 0x03 /* read */ 52 #define PUFFSOP_ERROR 0x04 /* read */ 53 #define PUFFSOP_FLUSH 0x05 /* write */ 54 #define PUFFSOP_SUSPEND 0x06 /* write */ 55 #define PUFFSOPFLAG_FAF 0x10 /* fire-and-forget */ 56 57 #define PUFFSOP_OPCMASK 0x07 58 #define PUFFSOP_OPCLASS(a) ((a) & PUFFSOP_OPCMASK) 59 #define PUFFSOP_WANTREPLY(a) (((a) & PUFFSOPFLAG_FAF) == 0) 60 61 /* XXX: we don't need everything */ 62 enum { 63 PUFFS_VFS_MOUNT, PUFFS_VFS_START, PUFFS_VFS_UNMOUNT, 64 PUFFS_VFS_ROOT, PUFFS_VFS_STATVFS, PUFFS_VFS_SYNC, 65 PUFFS_VFS_VGET, PUFFS_VFS_FHTOVP, PUFFS_VFS_VPTOFH, 66 PUFFS_VFS_INIT, PUFFS_VFS_DONE, PUFFS_VFS_SNAPSHOT, 67 PUFFS_VFS_EXTATTCTL, PUFFS_VFS_SUSPEND 68 }; 69 #define PUFFS_VFS_MAX PUFFS_VFS_EXTATTCTL 70 71 /* moreXXX: we don't need everything here either */ 72 enum { 73 PUFFS_VN_LOOKUP, PUFFS_VN_CREATE, PUFFS_VN_MKNOD, 74 PUFFS_VN_OPEN, PUFFS_VN_CLOSE, PUFFS_VN_ACCESS, 75 PUFFS_VN_GETATTR, PUFFS_VN_SETATTR, PUFFS_VN_READ, 76 PUFFS_VN_WRITE, PUFFS_VN_IOCTL, PUFFS_VN_FCNTL, 77 PUFFS_VN_POLL, PUFFS_VN_KQFILTER, PUFFS_VN_REVOKE, 78 PUFFS_VN_MMAP, PUFFS_VN_FSYNC, PUFFS_VN_SEEK, 79 PUFFS_VN_REMOVE, PUFFS_VN_LINK, PUFFS_VN_RENAME, 80 PUFFS_VN_MKDIR, PUFFS_VN_RMDIR, PUFFS_VN_SYMLINK, 81 PUFFS_VN_READDIR, PUFFS_VN_READLINK, PUFFS_VN_ABORTOP, 82 PUFFS_VN_INACTIVE, PUFFS_VN_RECLAIM, PUFFS_VN_LOCK, 83 PUFFS_VN_UNLOCK, PUFFS_VN_BMAP, PUFFS_VN_STRATEGY, 84 PUFFS_VN_PRINT, PUFFS_VN_ISLOCKED, PUFFS_VN_PATHCONF, 85 PUFFS_VN_ADVLOCK, PUFFS_VN_LEASE, PUFFS_VN_WHITEOUT, 86 PUFFS_VN_GETPAGES, PUFFS_VN_PUTPAGES, PUFFS_VN_GETEXTATTR, 87 PUFFS_VN_LISTEXTATTR, PUFFS_VN_OPENEXTATTR, PUFFS_VN_DELETEEXTATTR, 88 PUFFS_VN_SETEXTATTR 89 }; 90 #define PUFFS_VN_MAX PUFFS_VN_SETEXTATTR 91 92 /* 93 * These signal invalid parameters the file system returned. 94 */ 95 enum { 96 PUFFS_ERR_MAKENODE, PUFFS_ERR_LOOKUP, PUFFS_ERR_READDIR, 97 PUFFS_ERR_READLINK, PUFFS_ERR_READ, PUFFS_ERR_WRITE, 98 PUFFS_ERR_VPTOFH, PUFFS_ERR_ERROR 99 }; 100 #define PUFFS_ERR_MAX PUFFS_ERR_VPTOFH 101 102 #define PUFFSDEVELVERS 0x80000000 103 #define PUFFSVERSION 23 104 #define PUFFSNAMESIZE 32 105 106 #define PUFFS_TYPEPREFIX "puffs|" 107 108 #define PUFFS_TYPELEN (_VFS_NAMELEN - (sizeof(PUFFS_TYPEPREFIX)+1)) 109 #define PUFFS_NAMELEN (_VFS_MNAMELEN-1) 110 111 struct puffs_kargs { 112 unsigned int pa_vers; 113 int pa_fd; 114 115 uint32_t pa_flags; 116 117 size_t pa_maxmsglen; 118 int pa_nhashbuckets; 119 120 size_t pa_fhsize; 121 int pa_fhflags; 122 123 void *pa_root_cookie; 124 enum vtype pa_root_vtype; 125 voff_t pa_root_vsize; 126 dev_t pa_root_rdev; 127 128 struct statvfs pa_svfsb; 129 130 char pa_typename[_VFS_NAMELEN]; 131 char pa_mntfromname[_VFS_MNAMELEN]; 132 133 uint8_t pa_vnopmask[PUFFS_VN_MAX]; 134 }; 135 #define PUFFS_KFLAG_NOCACHE_NAME 0x01 /* don't use name cache */ 136 #define PUFFS_KFLAG_NOCACHE_PAGE 0x02 /* don't use page cache */ 137 #define PUFFS_KFLAG_NOCACHE 0x03 /* no cache whatsoever */ 138 #define PUFFS_KFLAG_ALLOPS 0x04 /* ignore pa_vnopmask */ 139 #define PUFFS_KFLAG_WTCACHE 0x08 /* write-through page cache */ 140 #define PUFFS_KFLAG_IAONDEMAND 0x10 /* inactive only on demand */ 141 #define PUFFS_KFLAG_LOOKUP_FULLPNBUF 0x20 /* full pnbuf in lookup */ 142 #define PUFFS_KFLAG_MASK 0x3f 143 144 #define PUFFS_FHFLAG_DYNAMIC 0x01 145 #define PUFFS_FHFLAG_NFSV2 0x02 146 #define PUFFS_FHFLAG_NFSV3 0x04 147 #define PUFFS_FHFLAG_PROTOMASK 0x06 148 #define PUFFS_FHFLAG_PASSTHROUGH 0x08 149 #define PUFFS_FHFLAG_MASK 0x0f 150 151 #define PUFFS_FHSIZE_MAX 1020 /* XXX: FHANDLE_SIZE_MAX - 4 */ 152 153 struct puffs_req { 154 struct putter_hdr preq_pth; 155 156 uint64_t preq_id; 157 void *preq_cookie; 158 159 uint16_t preq_opclass; 160 uint16_t preq_optype; 161 int preq_rv; 162 163 uint32_t preq_setbacks; 164 165 /* Who is making the call? Eventually host id is also needed. */ 166 pid_t preq_pid; 167 lwpid_t preq_lid; 168 169 /* 170 * the following helper pads the struct size to md alignment 171 * multiple (should size_t not cut it). it makes sure that 172 * whatever comes after this struct is aligned 173 */ 174 size_t preq_buflen; 175 uint8_t preq_buf[0] __aligned(ALIGNBYTES+1); 176 }; 177 178 #define PUFFS_SETBACK_INACT_N1 0x01 /* set VOP_INACTIVE for node 1 */ 179 #define PUFFS_SETBACK_INACT_N2 0x02 /* set VOP_INACTIVE for node 2 */ 180 #define PUFFS_SETBACK_NOREF_N1 0x04 /* set pn PN_NOREFS for node 1 */ 181 #define PUFFS_SETBACK_NOREF_N2 0x08 /* set pn PN_NOREFS for node 2 */ 182 #define PUFFS_SETBACK_MASK 0x0f 183 184 /* 185 * Flush operation. This can be used to invalidate: 186 * 1) name cache for one node 187 * 2) name cache for all children 188 * 3) name cache for the entire mount 189 * 4) page cache for a set of ranges in one node 190 * 5) page cache for one entire node 191 * 192 * It can be used to flush: 193 * 1) page cache for a set of ranges in one node 194 * 2) page cache for one entire node 195 */ 196 197 /* XXX: needs restructuring */ 198 struct puffs_flush { 199 struct puffs_req pf_req; 200 201 void *pf_cookie; 202 203 int pf_op; 204 off_t pf_start; 205 off_t pf_end; 206 }; 207 #define PUFFS_INVAL_NAMECACHE_NODE 0 208 #define PUFFS_INVAL_NAMECACHE_DIR 1 209 #define PUFFS_INVAL_NAMECACHE_ALL 2 210 #define PUFFS_INVAL_PAGECACHE_NODE_RANGE 3 211 #define PUFFS_FLUSH_PAGECACHE_NODE_RANGE 4 212 213 /* keep this for now */ 214 #define PUFFSREQSIZEOP _IOR ('p', 1, size_t) 215 216 /* 217 * Credentials for an operation. Can be either struct uucred for 218 * ops called from a credential context or NOCRED/FSCRED for ops 219 * called from within the kernel. It is up to the implementation 220 * if it makes a difference between these two and the super-user. 221 */ 222 struct puffs_kcred { 223 struct uucred pkcr_uuc; 224 uint8_t pkcr_type; 225 uint8_t pkcr_internal; 226 }; 227 #define PUFFCRED_TYPE_UUC 1 228 #define PUFFCRED_TYPE_INTERNAL 2 229 #define PUFFCRED_CRED_NOCRED 1 230 #define PUFFCRED_CRED_FSCRED 2 231 232 /* 233 * 2*MAXPHYS is the max size the system will attempt to copy, 234 * else treated as garbage 235 */ 236 #define PUFFS_MSG_MAXSIZE 2*MAXPHYS 237 #define PUFFS_MSGSTRUCT_MAX 4096 /* XXX: approxkludge */ 238 239 #define PUFFS_TOMOVE(a,b) (MIN((a), b->pmp_msg_maxsize - PUFFS_MSGSTRUCT_MAX)) 240 241 /* caller id */ 242 struct puffs_kcid { 243 int pkcid_type; 244 pid_t pkcid_pid; 245 lwpid_t pkcid_lwpid; 246 }; 247 #define PUFFCID_TYPE_REAL 1 248 #define PUFFCID_TYPE_FAKE 2 249 250 /* puffs struct componentname built by kernel */ 251 struct puffs_kcn { 252 /* args */ 253 uint32_t pkcn_nameiop; /* namei operation */ 254 uint32_t pkcn_flags; /* flags */ 255 256 char pkcn_name[MAXPATHLEN]; /* nulterminated path component */ 257 size_t pkcn_namelen; /* current component length */ 258 size_t pkcn_consume; /* IN: extra chars server ate */ 259 }; 260 261 262 /* 263 * Next come the individual requests. They are all subclassed from 264 * puffs_req and contain request-specific fields in addition. Note 265 * that there are some requests which have to handle arbitrary-length 266 * buffers. 267 * 268 * The division is the following: puffs_req is to be touched only 269 * by generic routines while the other stuff is supposed to be 270 * modified only by specific routines. 271 */ 272 273 /* 274 * aux structures for vfs operations. 275 */ 276 struct puffs_vfsmsg_unmount { 277 struct puffs_req pvfsr_pr; 278 279 int pvfsr_flags; 280 struct puffs_kcid pvfsr_cid; 281 }; 282 283 struct puffs_vfsmsg_statvfs { 284 struct puffs_req pvfsr_pr; 285 286 struct statvfs pvfsr_sb; 287 struct puffs_kcid pvfsr_cid; 288 }; 289 290 struct puffs_vfsmsg_sync { 291 struct puffs_req pvfsr_pr; 292 293 struct puffs_kcred pvfsr_cred; 294 struct puffs_kcid pvfsr_cid; 295 int pvfsr_waitfor; 296 }; 297 298 struct puffs_vfsmsg_fhtonode { 299 struct puffs_req pvfsr_pr; 300 301 void *pvfsr_fhcookie; /* IN */ 302 enum vtype pvfsr_vtype; /* IN */ 303 voff_t pvfsr_size; /* IN */ 304 dev_t pvfsr_rdev; /* IN */ 305 306 size_t pvfsr_dsize; /* OUT */ 307 uint8_t pvfsr_data[0] /* OUT, XXX */ 308 __aligned(ALIGNBYTES+1); 309 }; 310 311 struct puffs_vfsmsg_nodetofh { 312 struct puffs_req pvfsr_pr; 313 314 void *pvfsr_fhcookie; /* OUT */ 315 316 size_t pvfsr_dsize; /* OUT/IN */ 317 uint8_t pvfsr_data[0] /* IN, XXX */ 318 __aligned(ALIGNBYTES+1); 319 }; 320 321 struct puffs_vfsmsg_suspend { 322 struct puffs_req pvfsr_pr; 323 324 int pvfsr_status; 325 }; 326 #define PUFFS_SUSPEND_START 0 327 #define PUFFS_SUSPEND_SUSPENDED 1 328 #define PUFFS_SUSPEND_RESUME 2 329 #define PUFFS_SUSPEND_ERROR 3 330 331 /* 332 * aux structures for vnode operations. 333 */ 334 335 struct puffs_vnmsg_lookup { 336 struct puffs_req pvn_pr; 337 338 struct puffs_kcn pvnr_cn; /* OUT */ 339 struct puffs_kcred pvnr_cn_cred; /* OUT */ 340 struct puffs_kcid pvnr_cn_cid; /* OUT */ 341 342 void *pvnr_newnode; /* IN */ 343 enum vtype pvnr_vtype; /* IN */ 344 voff_t pvnr_size; /* IN */ 345 dev_t pvnr_rdev; /* IN */ 346 }; 347 348 struct puffs_vnmsg_create { 349 struct puffs_req pvn_pr; 350 351 struct puffs_kcn pvnr_cn; /* OUT */ 352 struct puffs_kcred pvnr_cn_cred; /* OUT */ 353 struct puffs_kcid pvnr_cn_cid; /* OUT */ 354 355 struct vattr pvnr_va; /* OUT */ 356 void *pvnr_newnode; /* IN */ 357 }; 358 359 struct puffs_vnmsg_mknod { 360 struct puffs_req pvn_pr; 361 362 struct puffs_kcn pvnr_cn; /* OUT */ 363 struct puffs_kcred pvnr_cn_cred; /* OUT */ 364 struct puffs_kcid pvnr_cn_cid; /* OUT */ 365 366 struct vattr pvnr_va; /* OUT */ 367 void *pvnr_newnode; /* IN */ 368 }; 369 370 struct puffs_vnmsg_open { 371 struct puffs_req pvn_pr; 372 373 struct puffs_kcred pvnr_cred; /* OUT */ 374 struct puffs_kcid pvnr_cid; /* OUT */ 375 int pvnr_mode; /* OUT */ 376 }; 377 378 struct puffs_vnmsg_close { 379 struct puffs_req pvn_pr; 380 381 struct puffs_kcred pvnr_cred; /* OUT */ 382 struct puffs_kcid pvnr_cid; /* OUT */ 383 int pvnr_fflag; /* OUT */ 384 }; 385 386 struct puffs_vnmsg_access { 387 struct puffs_req pvn_pr; 388 389 struct puffs_kcred pvnr_cred; /* OUT */ 390 struct puffs_kcid pvnr_cid; /* OUT */ 391 int pvnr_mode; /* OUT */ 392 }; 393 394 #define puffs_vnmsg_setattr puffs_vnmsg_setgetattr 395 #define puffs_vnmsg_getattr puffs_vnmsg_setgetattr 396 struct puffs_vnmsg_setgetattr { 397 struct puffs_req pvn_pr; 398 399 struct puffs_kcred pvnr_cred; /* OUT */ 400 struct puffs_kcid pvnr_cid; /* OUT */ 401 struct vattr pvnr_va; /* IN/OUT (op depend) */ 402 }; 403 404 #define puffs_vnmsg_read puffs_vnmsg_rw 405 #define puffs_vnmsg_write puffs_vnmsg_rw 406 struct puffs_vnmsg_rw { 407 struct puffs_req pvn_pr; 408 409 struct puffs_kcred pvnr_cred; /* OUT */ 410 off_t pvnr_offset; /* OUT */ 411 size_t pvnr_resid; /* IN/OUT */ 412 int pvnr_ioflag; /* OUT */ 413 414 uint8_t pvnr_data[0]; /* IN/OUT (wr/rd) */ 415 }; 416 417 #define puffs_vnmsg_ioctl puffs_vnreq_fcnioctl 418 #define puffs_vnmsg_fcntl puffs_vnreq_fcnioctl 419 struct puffs_vnmsg_fcnioctl { 420 struct puffs_req pvn_pr; 421 422 struct puffs_kcred pvnr_cred; 423 u_long pvnr_command; 424 pid_t pvnr_pid; 425 int pvnr_fflag; 426 427 void *pvnr_data; 428 size_t pvnr_datalen; 429 int pvnr_copyback; 430 }; 431 432 struct puffs_vnmsg_poll { 433 struct puffs_req pvn_pr; 434 435 int pvnr_events; /* IN/OUT */ 436 struct puffs_kcid pvnr_cid; /* OUT */ 437 }; 438 439 struct puffs_vnmsg_fsync { 440 struct puffs_req pvn_pr; 441 442 struct puffs_kcred pvnr_cred; /* OUT */ 443 struct puffs_kcid pvnr_cid; /* OUT */ 444 off_t pvnr_offlo; /* OUT */ 445 off_t pvnr_offhi; /* OUT */ 446 int pvnr_flags; /* OUT */ 447 }; 448 449 struct puffs_vnmsg_seek { 450 struct puffs_req pvn_pr; 451 452 struct puffs_kcred pvnr_cred; /* OUT */ 453 off_t pvnr_oldoff; /* OUT */ 454 off_t pvnr_newoff; /* OUT */ 455 }; 456 457 struct puffs_vnmsg_remove { 458 struct puffs_req pvn_pr; 459 460 struct puffs_kcn pvnr_cn; /* OUT */ 461 struct puffs_kcred pvnr_cn_cred; /* OUT */ 462 struct puffs_kcid pvnr_cn_cid; /* OUT */ 463 464 void *pvnr_cookie_targ; /* OUT */ 465 }; 466 467 struct puffs_vnmsg_mkdir { 468 struct puffs_req pvn_pr; 469 470 struct puffs_kcn pvnr_cn; /* OUT */ 471 struct puffs_kcred pvnr_cn_cred; /* OUT */ 472 struct puffs_kcid pvnr_cn_cid; /* OUT */ 473 474 struct vattr pvnr_va; /* OUT */ 475 void *pvnr_newnode; /* IN */ 476 }; 477 478 struct puffs_vnmsg_rmdir { 479 struct puffs_req pvn_pr; 480 481 struct puffs_kcn pvnr_cn; /* OUT */ 482 struct puffs_kcred pvnr_cn_cred; /* OUT */ 483 struct puffs_kcid pvnr_cn_cid; /* OUT */ 484 485 void *pvnr_cookie_targ; /* OUT */ 486 }; 487 488 struct puffs_vnmsg_link { 489 struct puffs_req pvn_pr; 490 491 struct puffs_kcn pvnr_cn; /* OUT */ 492 struct puffs_kcred pvnr_cn_cred; /* OUT */ 493 struct puffs_kcid pvnr_cn_cid; /* OUT */ 494 495 void *pvnr_cookie_targ; /* OUT */ 496 }; 497 498 struct puffs_vnmsg_rename { 499 struct puffs_req pvn_pr; 500 501 struct puffs_kcn pvnr_cn_src; /* OUT */ 502 struct puffs_kcred pvnr_cn_src_cred; /* OUT */ 503 struct puffs_kcid pvnr_cn_src_cid; /* OUT */ 504 struct puffs_kcn pvnr_cn_targ; /* OUT */ 505 struct puffs_kcred pvnr_cn_targ_cred; /* OUT */ 506 struct puffs_kcid pvnr_cn_targ_cid; /* OUT */ 507 508 void *pvnr_cookie_src; /* OUT */ 509 void *pvnr_cookie_targ; /* OUT */ 510 void *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 struct puffs_kcid pvnr_cn_cid; /* OUT */ 519 520 struct vattr pvnr_va; /* OUT */ 521 void *pvnr_newnode; /* IN */ 522 char pvnr_link[MAXPATHLEN]; /* OUT */ 523 }; 524 525 struct puffs_vnmsg_readdir { 526 struct puffs_req pvn_pr; 527 528 struct puffs_kcred pvnr_cred; /* OUT */ 529 off_t pvnr_offset; /* IN/OUT */ 530 size_t pvnr_resid; /* IN/OUT */ 531 size_t pvnr_ncookies; /* IN/OUT */ 532 int pvnr_eofflag; /* IN */ 533 534 size_t pvnr_dentoff; /* OUT */ 535 uint8_t pvnr_data[0] /* IN */ 536 __aligned(ALIGNBYTES+1); 537 }; 538 539 struct puffs_vnmsg_readlink { 540 struct puffs_req pvn_pr; 541 542 struct puffs_kcred pvnr_cred; /* OUT */ 543 size_t pvnr_linklen; /* IN */ 544 char pvnr_link[MAXPATHLEN]; /* IN, XXX */ 545 }; 546 547 struct puffs_vnmsg_reclaim { 548 struct puffs_req pvn_pr; 549 550 struct puffs_kcid pvnr_cid; /* OUT */ 551 }; 552 553 struct puffs_vnmsg_inactive { 554 struct puffs_req pvn_pr; 555 556 struct puffs_kcid pvnr_cid; /* OUT */ 557 }; 558 559 struct puffs_vnmsg_print { 560 struct puffs_req pvn_pr; 561 562 /* empty */ 563 }; 564 565 struct puffs_vnmsg_pathconf { 566 struct puffs_req pvn_pr; 567 568 int pvnr_name; /* OUT */ 569 int pvnr_retval; /* IN */ 570 }; 571 572 struct puffs_vnmsg_advlock { 573 struct puffs_req pvn_pr; 574 575 struct flock pvnr_fl; /* OUT */ 576 void *pvnr_id; /* OUT */ 577 int pvnr_op; /* OUT */ 578 int pvnr_flags; /* OUT */ 579 }; 580 581 struct puffs_vnmsg_mmap { 582 struct puffs_req pvn_pr; 583 584 vm_prot_t pvnr_prot; /* OUT */ 585 struct puffs_kcred pvnr_cred; /* OUT */ 586 struct puffs_kcid pvnr_cid; /* OUT */ 587 }; 588 589 590 /* 591 * For cache reports. Everything is always out-out-out, no replies 592 */ 593 594 struct puffs_cacherun { 595 off_t pcache_runstart; 596 off_t pcache_runend; 597 }; 598 599 /* cache info. old used for write now */ 600 struct puffs_cacheinfo { 601 struct puffs_req pcache_pr; 602 603 int pcache_type; 604 size_t pcache_nruns; 605 struct puffs_cacherun pcache_runs[0]; 606 }; 607 #define PCACHE_TYPE_READ 0 608 #define PCACHE_TYPE_WRITE 1 609 610 /* 611 * Error notification. Always outgoing, no response, no remorse. 612 */ 613 struct puffs_error { 614 struct puffs_req perr_pr; 615 616 int perr_error; 617 char perr_str[256]; 618 }; 619 620 #endif /* _FS_PUFFS_PUFFS_MSGIF_H_ */ 621
Indexes created Tue Sep 30 20:09:53 GMT 2025