| 1 | /* $NetBSD: puffs_msgif.h,v 1.84 2015/02/15 20:21:29 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_NOFLUSH_META 0x200 /* don't flush metadata cache*/ |
| 167 | #define PUFFS_KFLAG_MASK 0x3bf |
| 168 | |
| 169 | #define PUFFS_FHFLAG_DYNAMIC 0x01 |
| 170 | #define PUFFS_FHFLAG_NFSV2 0x02 |
| 171 | #define PUFFS_FHFLAG_NFSV3 0x04 |
| 172 | #define PUFFS_FHFLAG_PROTOMASK 0x06 |
| 173 | #define PUFFS_FHFLAG_PASSTHROUGH 0x08 |
| 174 | #define PUFFS_FHFLAG_MASK 0x0f |
| 175 | |
| 176 | #define PUFFS_FHSIZE_MAX 1020 /* FHANDLE_SIZE_MAX - 4 */ |
| 177 | |
| 178 | struct puffs_req { |
| 179 | struct putter_hdr preq_pth; |
| 180 | |
| 181 | uint64_t preq_id; |
| 182 | puffs_cookie_t preq_cookie; |
| 183 | |
| 184 | uint16_t preq_opclass; |
| 185 | uint16_t preq_optype; |
| 186 | int preq_rv; |
| 187 | |
| 188 | uint32_t preq_setbacks; |
| 189 | |
| 190 | /* Who is making the call? Eventually host id is also needed. */ |
| 191 | pid_t preq_pid; |
| 192 | lwpid_t preq_lid; |
| 193 | |
| 194 | /* |
| 195 | * the following helper pads the struct size to md alignment |
| 196 | * multiple (should size_t not cut it). it makes sure that |
| 197 | * whatever comes after this struct is aligned |
| 198 | */ |
| 199 | size_t preq_buflen; |
| 200 | uint8_t preq_buf[0] __aligned(ALIGNBYTES+1); |
| 201 | }; |
| 202 | |
| 203 | #define PUFFS_SETBACK_INACT_N1 0x01 /* set VOP_INACTIVE for node 1 */ |
| 204 | #define PUFFS_SETBACK_INACT_N2 0x02 /* set VOP_INACTIVE for node 2 */ |
| 205 | #define PUFFS_SETBACK_NOREF_N1 0x04 /* set pn PN_NOREFS for node 1 */ |
| 206 | #define PUFFS_SETBACK_NOREF_N2 0x08 /* set pn PN_NOREFS for node 2 */ |
| 207 | #define PUFFS_SETBACK_MASK 0x0f |
| 208 | |
| 209 | /* |
| 210 | * Flush operation. This can be used to invalidate: |
| 211 | * 1) name cache for one node |
| 212 | * 2) name cache for all children |
| 213 | * 3) name cache for the entire mount |
| 214 | * 4) page cache for a set of ranges in one node |
| 215 | * 5) page cache for one entire node |
| 216 | * |
| 217 | * It can be used to flush: |
| 218 | * 1) page cache for a set of ranges in one node |
| 219 | * 2) page cache for one entire node |
| 220 | */ |
| 221 | |
| 222 | struct puffs_flush { |
| 223 | struct puffs_req pf_req; |
| 224 | |
| 225 | puffs_cookie_t pf_cookie; |
| 226 | |
| 227 | int pf_op; |
| 228 | off_t pf_start; |
| 229 | off_t pf_end; |
| 230 | }; |
| 231 | #define PUFFS_INVAL_NAMECACHE_NODE 0 |
| 232 | #define PUFFS_INVAL_NAMECACHE_DIR 1 |
| 233 | #define PUFFS_INVAL_NAMECACHE_ALL 2 |
| 234 | #define PUFFS_INVAL_PAGECACHE_NODE_RANGE 3 |
| 235 | #define PUFFS_FLUSH_PAGECACHE_NODE_RANGE 4 |
| 236 | |
| 237 | /* |
| 238 | * Credentials for an operation. Can be either struct uucred for |
| 239 | * ops called from a credential context or NOCRED/FSCRED for ops |
| 240 | * called from within the kernel. It is up to the implementation |
| 241 | * if it makes a difference between these two and the super-user. |
| 242 | */ |
| 243 | struct puffs_kcred { |
| 244 | struct uucred pkcr_uuc; |
| 245 | uint8_t pkcr_type; |
| 246 | uint8_t pkcr_internal; |
| 247 | }; |
| 248 | #define PUFFCRED_TYPE_UUC 1 |
| 249 | #define PUFFCRED_TYPE_INTERNAL 2 |
| 250 | #define PUFFCRED_CRED_NOCRED 1 |
| 251 | #define PUFFCRED_CRED_FSCRED 2 |
| 252 | |
| 253 | /* |
| 254 | * 2*MAXPHYS is the max size the system will attempt to copy, |
| 255 | * else treated as garbage |
| 256 | */ |
| 257 | #define PUFFS_MSG_MAXSIZE 2*MAXPHYS |
| 258 | #define PUFFS_MSGSTRUCT_MAX 4096 /* approximate */ |
| 259 | |
| 260 | #define PUFFS_EXTNAMELEN KERNEL_NAME_MAX /* currently same as EXTATTR_MAXNAMELEN */ |
| 261 | |
| 262 | #define PUFFS_TOMOVE(a,b) (MIN((a), b->pmp_msg_maxsize - PUFFS_MSGSTRUCT_MAX)) |
| 263 | |
| 264 | /* puffs struct componentname built by kernel */ |
| 265 | struct puffs_kcn { |
| 266 | /* args */ |
| 267 | uint32_t pkcn_nameiop; /* namei operation */ |
| 268 | uint32_t pkcn_flags; /* flags */ |
| 269 | |
| 270 | char pkcn_name[MAXPATHLEN]; /* nulterminated path component */ |
| 271 | size_t pkcn_namelen; /* current component length */ |
| 272 | size_t pkcn_consume; /* IN: extra chars server ate */ |
| 273 | }; |
| 274 | |
| 275 | |
| 276 | /* |
| 277 | * Next come the individual requests. They are all subclassed from |
| 278 | * puffs_req and contain request-specific fields in addition. Note |
| 279 | * that there are some requests which have to handle arbitrary-length |
| 280 | * buffers. |
| 281 | * |
| 282 | * The division is the following: puffs_req is to be touched only |
| 283 | * by generic routines while the other stuff is supposed to be |
| 284 | * modified only by specific routines. |
| 285 | */ |
| 286 | |
| 287 | /* |
| 288 | * aux structures for vfs operations. |
| 289 | */ |
| 290 | struct puffs_vfsmsg_unmount { |
| 291 | struct puffs_req pvfsr_pr; |
| 292 | |
| 293 | int pvfsr_flags; |
| 294 | }; |
| 295 | |
| 296 | struct puffs_vfsmsg_statvfs { |
| 297 | struct puffs_req pvfsr_pr; |
| 298 | |
| 299 | struct statvfs pvfsr_sb; |
| 300 | }; |
| 301 | |
| 302 | struct puffs_vfsmsg_sync { |
| 303 | struct puffs_req pvfsr_pr; |
| 304 | |
| 305 | struct puffs_kcred pvfsr_cred; |
| 306 | int pvfsr_waitfor; |
| 307 | }; |
| 308 | |
| 309 | struct puffs_vfsmsg_fhtonode { |
| 310 | struct puffs_req pvfsr_pr; |
| 311 | |
| 312 | void *pvfsr_fhcookie; /* IN */ |
| 313 | enum vtype pvfsr_vtype; /* IN */ |
| 314 | voff_t pvfsr_size; /* IN */ |
| 315 | dev_t pvfsr_rdev; /* IN */ |
| 316 | |
| 317 | size_t pvfsr_dsize; /* OUT */ |
| 318 | uint8_t pvfsr_data[0] /* OUT, XXX */ |
| 319 | __aligned(ALIGNBYTES+1); |
| 320 | }; |
| 321 | |
| 322 | struct puffs_vfsmsg_nodetofh { |
| 323 | struct puffs_req pvfsr_pr; |
| 324 | |
| 325 | void *pvfsr_fhcookie; /* OUT */ |
| 326 | |
| 327 | size_t pvfsr_dsize; /* OUT/IN */ |
| 328 | uint8_t pvfsr_data[0] /* IN, XXX */ |
| 329 | __aligned(ALIGNBYTES+1); |
| 330 | }; |
| 331 | |
| 332 | struct puffs_vfsmsg_suspend { |
| 333 | struct puffs_req pvfsr_pr; |
| 334 | |
| 335 | int pvfsr_status; |
| 336 | }; |
| 337 | #define PUFFS_SUSPEND_START 0 |
| 338 | #define PUFFS_SUSPEND_SUSPENDED 1 |
| 339 | #define PUFFS_SUSPEND_RESUME 2 |
| 340 | #define PUFFS_SUSPEND_ERROR 3 |
| 341 | |
| 342 | #define PUFFS_EXTATTRCTL_HASNODE 0x01 |
| 343 | #define PUFFS_EXTATTRCTL_HASATTRNAME 0x02 |
| 344 | |
| 345 | #define PUFFS_OPEN_IO_DIRECT 0x01 |
| 346 | |
| 347 | struct puffs_vfsmsg_extattrctl { |
| 348 | struct puffs_req pvfsr_pr; |
| 349 | |
| 350 | int pvfsr_cmd; /* OUT */ |
| 351 | int pvfsr_attrnamespace; /* OUT */ |
| 352 | int pvfsr_flags; /* OUT */ |
| 353 | char pvfsr_attrname[PUFFS_EXTNAMELEN]; /* OUT */ |
| 354 | }; |
| 355 | |
| 356 | /* |
| 357 | * aux structures for vnode operations. |
| 358 | */ |
| 359 | |
| 360 | struct puffs_vnmsg_lookup { |
| 361 | struct puffs_req pvn_pr; |
| 362 | |
| 363 | struct puffs_kcn pvnr_cn; /* OUT */ |
| 364 | struct puffs_kcred pvnr_cn_cred; /* OUT */ |
| 365 | |
| 366 | puffs_cookie_t pvnr_newnode; /* IN */ |
| 367 | enum vtype pvnr_vtype; /* IN */ |
| 368 | voff_t pvnr_size; /* IN */ |
| 369 | dev_t pvnr_rdev; /* IN */ |
| 370 | /* Used only if PUFFS_KFLAG_CACHE_USE_TTL */ |
| 371 | struct vattr pvnr_va; /* IN */ |
| 372 | struct timespec pvnr_va_ttl; /* IN */ |
| 373 | struct timespec pvnr_cn_ttl; /* IN */ |
| 374 | }; |
| 375 | |
| 376 | struct puffs_vnmsg_create { |
| 377 | struct puffs_req pvn_pr; |
| 378 | |
| 379 | struct puffs_kcn pvnr_cn; /* OUT */ |
| 380 | struct puffs_kcred pvnr_cn_cred; /* OUT */ |
| 381 | |
| 382 | struct vattr pvnr_va; /* OUT */ |
| 383 | puffs_cookie_t pvnr_newnode; /* IN */ |
| 384 | /* Used only if PUFFS_KFLAG_CACHE_USE_TTL */ |
| 385 | struct timespec pvnr_va_ttl; /* IN */ |
| 386 | struct timespec pvnr_cn_ttl; /* IN */ |
| 387 | }; |
| 388 | |
| 389 | struct puffs_vnmsg_mknod { |
| 390 | struct puffs_req pvn_pr; |
| 391 | |
| 392 | struct puffs_kcn pvnr_cn; /* OUT */ |
| 393 | struct puffs_kcred pvnr_cn_cred; /* OUT */ |
| 394 | |
| 395 | struct vattr pvnr_va; /* OUT */ |
| 396 | puffs_cookie_t pvnr_newnode; /* IN */ |
| 397 | /* Used only if PUFFS_KFLAG_CACHE_USE_TTL */ |
| 398 | struct timespec pvnr_va_ttl; /* IN */ |
| 399 | struct timespec pvnr_cn_ttl; /* IN */ |
| 400 | }; |
| 401 | |
| 402 | struct puffs_vnmsg_open { |
| 403 | struct puffs_req pvn_pr; |
| 404 | |
| 405 | struct puffs_kcred pvnr_cred; /* OUT */ |
| 406 | int pvnr_mode; /* OUT */ |
| 407 | int pvnr_oflags; /* IN */ |
| 408 | }; |
| 409 | |
| 410 | struct puffs_vnmsg_close { |
| 411 | struct puffs_req pvn_pr; |
| 412 | |
| 413 | struct puffs_kcred pvnr_cred; /* OUT */ |
| 414 | int pvnr_fflag; /* OUT */ |
| 415 | }; |
| 416 | |
| 417 | struct puffs_vnmsg_access { |
| 418 | struct puffs_req pvn_pr; |
| 419 | |
| 420 | struct puffs_kcred pvnr_cred; /* OUT */ |
| 421 | int pvnr_mode; /* OUT */ |
| 422 | }; |
| 423 | |
| 424 | #define puffs_vnmsg_setattr puffs_vnmsg_setgetattr |
| 425 | #define puffs_vnmsg_getattr puffs_vnmsg_setgetattr |
| 426 | struct puffs_vnmsg_setgetattr { |
| 427 | struct puffs_req pvn_pr; |
| 428 | |
| 429 | struct puffs_kcred pvnr_cred; /* OUT */ |
| 430 | struct vattr pvnr_va; /* IN/OUT (op depend) */ |
| 431 | /* Used only if PUFFS_KFLAG_CACHE_USE_TTL */ |
| 432 | struct timespec pvnr_va_ttl; /* IN */ |
| 433 | }; |
| 434 | |
| 435 | #define puffs_vnmsg_read puffs_vnmsg_rw |
| 436 | #define puffs_vnmsg_write puffs_vnmsg_rw |
| 437 | struct puffs_vnmsg_rw { |
| 438 | struct puffs_req pvn_pr; |
| 439 | |
| 440 | struct puffs_kcred pvnr_cred; /* OUT */ |
| 441 | off_t pvnr_offset; /* OUT */ |
| 442 | size_t pvnr_resid; /* IN/OUT */ |
| 443 | int pvnr_ioflag; /* OUT */ |
| 444 | |
| 445 | uint8_t pvnr_data[0]; /* IN/OUT (wr/rd) */ |
| 446 | }; |
| 447 | |
| 448 | #define puffs_vnmsg_ioctl puffs_vnreq_fcnioctl |
| 449 | #define puffs_vnmsg_fcntl puffs_vnreq_fcnioctl |
| 450 | struct puffs_vnmsg_fcnioctl { |
| 451 | struct puffs_req pvn_pr; |
| 452 | |
| 453 | struct puffs_kcred pvnr_cred; |
| 454 | u_long pvnr_command; |
| 455 | pid_t pvnr_pid; |
| 456 | int pvnr_fflag; |
| 457 | |
| 458 | void *pvnr_data; |
| 459 | size_t pvnr_datalen; |
| 460 | int pvnr_copyback; |
| 461 | }; |
| 462 | |
| 463 | struct puffs_vnmsg_poll { |
| 464 | struct puffs_req pvn_pr; |
| 465 | |
| 466 | int pvnr_events; /* IN/OUT */ |
| 467 | }; |
| 468 | |
| 469 | struct puffs_vnmsg_fsync { |
| 470 | struct puffs_req pvn_pr; |
| 471 | |
| 472 | struct puffs_kcred pvnr_cred; /* OUT */ |
| 473 | off_t pvnr_offlo; /* OUT */ |
| 474 | off_t pvnr_offhi; /* OUT */ |
| 475 | int pvnr_flags; /* OUT */ |
| 476 | }; |
| 477 | |
| 478 | struct puffs_vnmsg_seek { |
| 479 | struct puffs_req pvn_pr; |
| 480 | |
| 481 | struct puffs_kcred pvnr_cred; /* OUT */ |
| 482 | off_t pvnr_oldoff; /* OUT */ |
| 483 | off_t pvnr_newoff; /* OUT */ |
| 484 | }; |
| 485 | |
| 486 | struct puffs_vnmsg_remove { |
| 487 | struct puffs_req pvn_pr; |
| 488 | |
| 489 | struct puffs_kcn pvnr_cn; /* OUT */ |
| 490 | struct puffs_kcred pvnr_cn_cred; /* OUT */ |
| 491 | |
| 492 | puffs_cookie_t pvnr_cookie_targ; /* OUT */ |
| 493 | }; |
| 494 | |
| 495 | struct puffs_vnmsg_mkdir { |
| 496 | struct puffs_req pvn_pr; |
| 497 | |
| 498 | struct puffs_kcn pvnr_cn; /* OUT */ |
| 499 | struct puffs_kcred pvnr_cn_cred; /* OUT */ |
| 500 | |
| 501 | struct vattr pvnr_va; /* OUT */ |
| 502 | puffs_cookie_t pvnr_newnode; /* IN */ |
| 503 | /* Used only if PUFFS_KFLAG_CACHE_USE_TTL */ |
| 504 | struct timespec pvnr_va_ttl; /* IN */ |
| 505 | struct timespec pvnr_cn_ttl; /* IN */ |
| 506 | }; |
| 507 | |
| 508 | struct puffs_vnmsg_rmdir { |
| 509 | struct puffs_req pvn_pr; |
| 510 | |
| 511 | struct puffs_kcn pvnr_cn; /* OUT */ |
| 512 | struct puffs_kcred pvnr_cn_cred; /* OUT */ |
| 513 | |
| 514 | puffs_cookie_t pvnr_cookie_targ; /* OUT */ |
| 515 | }; |
| 516 | |
| 517 | struct puffs_vnmsg_link { |
| 518 | struct puffs_req pvn_pr; |
| 519 | |
| 520 | struct puffs_kcn pvnr_cn; /* OUT */ |
| 521 | struct puffs_kcred pvnr_cn_cred; /* OUT */ |
| 522 | |
| 523 | puffs_cookie_t pvnr_cookie_targ; /* OUT */ |
| 524 | }; |
| 525 | |
| 526 | struct puffs_vnmsg_rename { |
| 527 | struct puffs_req pvn_pr; |
| 528 | |
| 529 | struct puffs_kcn pvnr_cn_src; /* OUT */ |
| 530 | struct puffs_kcred pvnr_cn_src_cred; /* OUT */ |
| 531 | struct puffs_kcn pvnr_cn_targ; /* OUT */ |
| 532 | struct puffs_kcred pvnr_cn_targ_cred; /* OUT */ |
| 533 | |
| 534 | puffs_cookie_t pvnr_cookie_src; /* OUT */ |
| 535 | puffs_cookie_t pvnr_cookie_targ; /* OUT */ |
| 536 | puffs_cookie_t 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 | |
| 545 | struct vattr pvnr_va; /* OUT */ |
| 546 | puffs_cookie_t pvnr_newnode; /* IN */ |
| 547 | char pvnr_link[MAXPATHLEN]; /* OUT */ |
| 548 | /* Used only if PUFFS_KFLAG_CACHE_USE_TTL */ |
| 549 | struct timespec pvnr_va_ttl; /* IN */ |
| 550 | struct timespec pvnr_cn_ttl; /* IN */ |
| 551 | }; |
| 552 | |
| 553 | struct puffs_vnmsg_readdir { |
| 554 | struct puffs_req pvn_pr; |
| 555 | |
| 556 | struct puffs_kcred pvnr_cred; /* OUT */ |
| 557 | off_t pvnr_offset; /* IN/OUT */ |
| 558 | size_t pvnr_resid; /* IN/OUT */ |
| 559 | size_t pvnr_ncookies; /* IN/OUT */ |
| 560 | int pvnr_eofflag; /* IN */ |
| 561 | |
| 562 | size_t pvnr_dentoff; /* OUT */ |
| 563 | uint8_t pvnr_data[0] /* IN */ |
| 564 | __aligned(ALIGNBYTES+1); |
| 565 | }; |
| 566 | |
| 567 | struct puffs_vnmsg_readlink { |
| 568 | struct puffs_req pvn_pr; |
| 569 | |
| 570 | struct puffs_kcred pvnr_cred; /* OUT */ |
| 571 | size_t pvnr_linklen; /* IN */ |
| 572 | char pvnr_link[MAXPATHLEN]; /* IN */ |
| 573 | }; |
| 574 | |
| 575 | struct puffs_vnmsg_reclaim { |
| 576 | struct puffs_req pvn_pr; |
| 577 | |
| 578 | int pvnr_nlookup; /* OUT */ |
| 579 | }; |
| 580 | |
| 581 | struct puffs_vnmsg_inactive { |
| 582 | struct puffs_req pvn_pr; |
| 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 | register_t 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 | }; |
| 613 | |
| 614 | struct puffs_vnmsg_abortop { |
| 615 | struct puffs_req pvn_pr; |
| 616 | |
| 617 | struct puffs_kcn pvnr_cn; /* OUT */ |
| 618 | struct puffs_kcred pvnr_cn_cred; /* OUT */ |
| 619 | }; |
| 620 | |
| 621 | struct puffs_vnmsg_getextattr { |
| 622 | struct puffs_req pvn_pr; |
| 623 | |
| 624 | int pvnr_attrnamespace; /* OUT */ |
| 625 | char pvnr_attrname[PUFFS_EXTNAMELEN];/* OUT */ |
| 626 | |
| 627 | struct puffs_kcred pvnr_cred; /* OUT */ |
| 628 | size_t pvnr_datasize; /* IN */ |
| 629 | |
| 630 | size_t pvnr_resid; /* IN/OUT */ |
| 631 | uint8_t pvnr_data[0] /* IN */ |
| 632 | __aligned(ALIGNBYTES+1); |
| 633 | }; |
| 634 | |
| 635 | struct puffs_vnmsg_setextattr { |
| 636 | struct puffs_req pvn_pr; |
| 637 | |
| 638 | int pvnr_attrnamespace; /* OUT */ |
| 639 | char pvnr_attrname[PUFFS_EXTNAMELEN];/* OUT */ |
| 640 | |
| 641 | struct puffs_kcred pvnr_cred; /* OUT */ |
| 642 | |
| 643 | size_t pvnr_resid; /* IN/OUT */ |
| 644 | uint8_t pvnr_data[0] /* OUT */ |
| 645 | __aligned(ALIGNBYTES+1); |
| 646 | }; |
| 647 | |
| 648 | struct puffs_vnmsg_listextattr { |
| 649 | struct puffs_req pvn_pr; |
| 650 | |
| 651 | int pvnr_attrnamespace; /* OUT */ |
| 652 | |
| 653 | struct puffs_kcred pvnr_cred; /* OUT */ |
| 654 | size_t pvnr_datasize; /* IN */ |
| 655 | |
| 656 | size_t pvnr_resid; /* IN/OUT */ |
| 657 | int pvnr_flag; /* OUT */ |
| 658 | uint8_t pvnr_data[0] /* IN */ |
| 659 | __aligned(ALIGNBYTES+1); |
| 660 | }; |
| 661 | |
| 662 | struct puffs_vnmsg_deleteextattr { |
| 663 | struct puffs_req pvn_pr; |
| 664 | |
| 665 | int pvnr_attrnamespace; /* OUT */ |
| 666 | char pvnr_attrname[PUFFS_EXTNAMELEN];/* OUT */ |
| 667 | |
| 668 | struct puffs_kcred pvnr_cred; /* OUT */ |
| 669 | }; |
| 670 | |
| 671 | #define PUFFS_HAVE_FALLOCATE 1 |
| 672 | struct puffs_vnmsg_fallocate { |
| 673 | struct puffs_req pvn_pr; |
| 674 | off_t pvnr_off; /* OUT */ |
| 675 | off_t pvnr_len; /* OUT */ |
| 676 | }; |
| 677 | |
| 678 | struct puffs_vnmsg_fdiscard { |
| 679 | struct puffs_req pvn_pr; |
| 680 | off_t pvnr_off; /* OUT */ |
| 681 | off_t pvnr_len; /* OUT */ |
| 682 | }; |
| 683 | |
| 684 | /* |
| 685 | * For cache reports. Everything is always out-out-out, no replies |
| 686 | */ |
| 687 | |
| 688 | struct puffs_cacherun { |
| 689 | off_t pcache_runstart; |
| 690 | off_t pcache_runend; |
| 691 | }; |
| 692 | |
| 693 | /* cache info. old used for write now */ |
| 694 | struct puffs_cacheinfo { |
| 695 | struct puffs_req pcache_pr; |
| 696 | |
| 697 | int pcache_type; |
| 698 | size_t pcache_nruns; |
| 699 | struct puffs_cacherun pcache_runs[0]; |
| 700 | }; |
| 701 | #define PCACHE_TYPE_READ 0 |
| 702 | #define PCACHE_TYPE_WRITE 1 |
| 703 | |
| 704 | /* |
| 705 | * Error notification. Always outgoing, no response, no remorse. |
| 706 | */ |
| 707 | struct puffs_error { |
| 708 | struct puffs_req perr_pr; |
| 709 | |
| 710 | int perr_error; |
| 711 | char perr_str[256]; |
| 712 | }; |
| 713 | |
| 714 | #endif /* _FS_PUFFS_PUFFS_MSGIF_H_ */ |
| 715 | |