| 1 | #ifndef _LINUX_NFS_XDR_H |
| 2 | #define _LINUX_NFS_XDR_H |
| 3 | |
| 4 | #include <linux/nfsacl.h> |
| 5 | #include <linux/sunrpc/gss_api.h> |
| 6 | |
| 7 | /* |
| 8 | * To change the maximum rsize and wsize supported by the NFS client, adjust |
| 9 | * NFS_MAX_FILE_IO_SIZE. 64KB is a typical maximum, but some servers can |
| 10 | * support a megabyte or more. The default is left at 4096 bytes, which is |
| 11 | * reasonable for NFS over UDP. |
| 12 | */ |
| 13 | #define NFS_MAX_FILE_IO_SIZE (1048576U) |
| 14 | #define NFS_DEF_FILE_IO_SIZE (4096U) |
| 15 | #define NFS_MIN_FILE_IO_SIZE (1024U) |
| 16 | |
| 17 | struct nfs4_string { |
| 18 | unsigned int len; |
| 19 | char *data; |
| 20 | }; |
| 21 | |
| 22 | struct nfs_fsid { |
| 23 | uint64_t major; |
| 24 | uint64_t minor; |
| 25 | }; |
| 26 | |
| 27 | /* |
| 28 | * Helper for checking equality between 2 fsids. |
| 29 | */ |
| 30 | static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b) |
| 31 | { |
| 32 | return a->major == b->major && a->minor == b->minor; |
| 33 | } |
| 34 | |
| 35 | struct nfs4_threshold { |
| 36 | __u32 bm; |
| 37 | __u32 l_type; |
| 38 | __u64 rd_sz; |
| 39 | __u64 wr_sz; |
| 40 | __u64 rd_io_sz; |
| 41 | __u64 wr_io_sz; |
| 42 | }; |
| 43 | |
| 44 | struct nfs_fattr { |
| 45 | unsigned int valid; /* which fields are valid */ |
| 46 | umode_t mode; |
| 47 | __u32 nlink; |
| 48 | kuid_t uid; |
| 49 | kgid_t gid; |
| 50 | dev_t rdev; |
| 51 | __u64 size; |
| 52 | union { |
| 53 | struct { |
| 54 | __u32 blocksize; |
| 55 | __u32 blocks; |
| 56 | } nfs2; |
| 57 | struct { |
| 58 | __u64 used; |
| 59 | } nfs3; |
| 60 | } du; |
| 61 | struct nfs_fsid fsid; |
| 62 | __u64 fileid; |
| 63 | __u64 mounted_on_fileid; |
| 64 | struct timespec atime; |
| 65 | struct timespec mtime; |
| 66 | struct timespec ctime; |
| 67 | __u64 change_attr; /* NFSv4 change attribute */ |
| 68 | __u64 pre_change_attr;/* pre-op NFSv4 change attribute */ |
| 69 | __u64 pre_size; /* pre_op_attr.size */ |
| 70 | struct timespec pre_mtime; /* pre_op_attr.mtime */ |
| 71 | struct timespec pre_ctime; /* pre_op_attr.ctime */ |
| 72 | unsigned long time_start; |
| 73 | unsigned long gencount; |
| 74 | struct nfs4_string *owner_name; |
| 75 | struct nfs4_string *group_name; |
| 76 | struct nfs4_threshold *mdsthreshold; /* pNFS threshold hints */ |
| 77 | }; |
| 78 | |
| 79 | #define NFS_ATTR_FATTR_TYPE (1U << 0) |
| 80 | #define NFS_ATTR_FATTR_MODE (1U << 1) |
| 81 | #define NFS_ATTR_FATTR_NLINK (1U << 2) |
| 82 | #define NFS_ATTR_FATTR_OWNER (1U << 3) |
| 83 | #define NFS_ATTR_FATTR_GROUP (1U << 4) |
| 84 | #define NFS_ATTR_FATTR_RDEV (1U << 5) |
| 85 | #define NFS_ATTR_FATTR_SIZE (1U << 6) |
| 86 | #define NFS_ATTR_FATTR_PRESIZE (1U << 7) |
| 87 | #define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8) |
| 88 | #define NFS_ATTR_FATTR_SPACE_USED (1U << 9) |
| 89 | #define NFS_ATTR_FATTR_FSID (1U << 10) |
| 90 | #define NFS_ATTR_FATTR_FILEID (1U << 11) |
| 91 | #define NFS_ATTR_FATTR_ATIME (1U << 12) |
| 92 | #define NFS_ATTR_FATTR_MTIME (1U << 13) |
| 93 | #define NFS_ATTR_FATTR_CTIME (1U << 14) |
| 94 | #define NFS_ATTR_FATTR_PREMTIME (1U << 15) |
| 95 | #define NFS_ATTR_FATTR_PRECTIME (1U << 16) |
| 96 | #define NFS_ATTR_FATTR_CHANGE (1U << 17) |
| 97 | #define NFS_ATTR_FATTR_PRECHANGE (1U << 18) |
| 98 | #define NFS_ATTR_FATTR_V4_LOCATIONS (1U << 19) |
| 99 | #define NFS_ATTR_FATTR_V4_REFERRAL (1U << 20) |
| 100 | #define NFS_ATTR_FATTR_MOUNTPOINT (1U << 21) |
| 101 | #define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 22) |
| 102 | #define NFS_ATTR_FATTR_OWNER_NAME (1U << 23) |
| 103 | #define NFS_ATTR_FATTR_GROUP_NAME (1U << 24) |
| 104 | #define NFS_ATTR_FATTR_V4_SECURITY_LABEL (1U << 25) |
| 105 | |
| 106 | #define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \ |
| 107 | | NFS_ATTR_FATTR_MODE \ |
| 108 | | NFS_ATTR_FATTR_NLINK \ |
| 109 | | NFS_ATTR_FATTR_OWNER \ |
| 110 | | NFS_ATTR_FATTR_GROUP \ |
| 111 | | NFS_ATTR_FATTR_RDEV \ |
| 112 | | NFS_ATTR_FATTR_SIZE \ |
| 113 | | NFS_ATTR_FATTR_FSID \ |
| 114 | | NFS_ATTR_FATTR_FILEID \ |
| 115 | | NFS_ATTR_FATTR_ATIME \ |
| 116 | | NFS_ATTR_FATTR_MTIME \ |
| 117 | | NFS_ATTR_FATTR_CTIME \ |
| 118 | | NFS_ATTR_FATTR_CHANGE) |
| 119 | #define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \ |
| 120 | | NFS_ATTR_FATTR_BLOCKS_USED) |
| 121 | #define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \ |
| 122 | | NFS_ATTR_FATTR_SPACE_USED) |
| 123 | #define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \ |
| 124 | | NFS_ATTR_FATTR_SPACE_USED \ |
| 125 | | NFS_ATTR_FATTR_V4_SECURITY_LABEL) |
| 126 | |
| 127 | /* |
| 128 | * Info on the file system |
| 129 | */ |
| 130 | struct nfs_fsinfo { |
| 131 | struct nfs_fattr *fattr; /* Post-op attributes */ |
| 132 | __u32 rtmax; /* max. read transfer size */ |
| 133 | __u32 rtpref; /* pref. read transfer size */ |
| 134 | __u32 rtmult; /* reads should be multiple of this */ |
| 135 | __u32 wtmax; /* max. write transfer size */ |
| 136 | __u32 wtpref; /* pref. write transfer size */ |
| 137 | __u32 wtmult; /* writes should be multiple of this */ |
| 138 | __u32 dtpref; /* pref. readdir transfer size */ |
| 139 | __u64 maxfilesize; |
| 140 | struct timespec time_delta; /* server time granularity */ |
| 141 | __u32 lease_time; /* in seconds */ |
| 142 | __u32 layouttype; /* supported pnfs layout driver */ |
| 143 | __u32 blksize; /* preferred pnfs io block size */ |
| 144 | __u32 clone_blksize; /* granularity of a CLONE operation */ |
| 145 | }; |
| 146 | |
| 147 | struct nfs_fsstat { |
| 148 | struct nfs_fattr *fattr; /* Post-op attributes */ |
| 149 | __u64 tbytes; /* total size in bytes */ |
| 150 | __u64 fbytes; /* # of free bytes */ |
| 151 | __u64 abytes; /* # of bytes available to user */ |
| 152 | __u64 tfiles; /* # of files */ |
| 153 | __u64 ffiles; /* # of free files */ |
| 154 | __u64 afiles; /* # of files available to user */ |
| 155 | }; |
| 156 | |
| 157 | struct nfs2_fsstat { |
| 158 | __u32 tsize; /* Server transfer size */ |
| 159 | __u32 bsize; /* Filesystem block size */ |
| 160 | __u32 blocks; /* No. of "bsize" blocks on filesystem */ |
| 161 | __u32 bfree; /* No. of free "bsize" blocks */ |
| 162 | __u32 bavail; /* No. of available "bsize" blocks */ |
| 163 | }; |
| 164 | |
| 165 | struct nfs_pathconf { |
| 166 | struct nfs_fattr *fattr; /* Post-op attributes */ |
| 167 | __u32 max_link; /* max # of hard links */ |
| 168 | __u32 max_namelen; /* max name length */ |
| 169 | }; |
| 170 | |
| 171 | struct nfs4_change_info { |
| 172 | u32 atomic; |
| 173 | u64 before; |
| 174 | u64 after; |
| 175 | }; |
| 176 | |
| 177 | struct nfs_seqid; |
| 178 | |
| 179 | /* nfs41 sessions channel attributes */ |
| 180 | struct nfs4_channel_attrs { |
| 181 | u32 max_rqst_sz; |
| 182 | u32 max_resp_sz; |
| 183 | u32 max_resp_sz_cached; |
| 184 | u32 max_ops; |
| 185 | u32 max_reqs; |
| 186 | }; |
| 187 | |
| 188 | struct nfs4_slot; |
| 189 | struct nfs4_sequence_args { |
| 190 | struct nfs4_slot *sa_slot; |
| 191 | u8 sa_cache_this : 1, |
| 192 | sa_privileged : 1; |
| 193 | }; |
| 194 | |
| 195 | struct nfs4_sequence_res { |
| 196 | struct nfs4_slot *sr_slot; /* slot used to send request */ |
| 197 | unsigned long sr_timestamp; |
| 198 | int sr_status; /* sequence operation status */ |
| 199 | u32 sr_status_flags; |
| 200 | u32 sr_highest_slotid; |
| 201 | u32 sr_target_highest_slotid; |
| 202 | }; |
| 203 | |
| 204 | struct nfs4_get_lease_time_args { |
| 205 | struct nfs4_sequence_args la_seq_args; |
| 206 | }; |
| 207 | |
| 208 | struct nfs4_get_lease_time_res { |
| 209 | struct nfs4_sequence_res lr_seq_res; |
| 210 | struct nfs_fsinfo *lr_fsinfo; |
| 211 | }; |
| 212 | |
| 213 | #define PNFS_LAYOUT_MAXSIZE 4096 |
| 214 | |
| 215 | struct nfs4_layoutdriver_data { |
| 216 | struct page **pages; |
| 217 | __u32 pglen; |
| 218 | __u32 len; |
| 219 | }; |
| 220 | |
| 221 | struct pnfs_layout_range { |
| 222 | u32 iomode; |
| 223 | u64 offset; |
| 224 | u64 length; |
| 225 | }; |
| 226 | |
| 227 | struct nfs4_layoutget_args { |
| 228 | struct nfs4_sequence_args seq_args; |
| 229 | __u32 type; |
| 230 | struct pnfs_layout_range range; |
| 231 | __u64 minlength; |
| 232 | __u32 maxcount; |
| 233 | struct inode *inode; |
| 234 | struct nfs_open_context *ctx; |
| 235 | nfs4_stateid stateid; |
| 236 | struct nfs4_layoutdriver_data layout; |
| 237 | }; |
| 238 | |
| 239 | struct nfs4_layoutget_res { |
| 240 | struct nfs4_sequence_res seq_res; |
| 241 | __u32 return_on_close; |
| 242 | struct pnfs_layout_range range; |
| 243 | __u32 type; |
| 244 | nfs4_stateid stateid; |
| 245 | struct nfs4_layoutdriver_data *layoutp; |
| 246 | }; |
| 247 | |
| 248 | struct nfs4_layoutget { |
| 249 | struct nfs4_layoutget_args args; |
| 250 | struct nfs4_layoutget_res res; |
| 251 | struct rpc_cred *cred; |
| 252 | gfp_t gfp_flags; |
| 253 | }; |
| 254 | |
| 255 | struct nfs4_getdeviceinfo_args { |
| 256 | struct nfs4_sequence_args seq_args; |
| 257 | struct pnfs_device *pdev; |
| 258 | __u32 notify_types; |
| 259 | }; |
| 260 | |
| 261 | struct nfs4_getdeviceinfo_res { |
| 262 | struct nfs4_sequence_res seq_res; |
| 263 | struct pnfs_device *pdev; |
| 264 | __u32 notification; |
| 265 | }; |
| 266 | |
| 267 | struct nfs4_layoutcommit_args { |
| 268 | struct nfs4_sequence_args seq_args; |
| 269 | nfs4_stateid stateid; |
| 270 | __u64 lastbytewritten; |
| 271 | struct inode *inode; |
| 272 | const u32 *bitmask; |
| 273 | size_t layoutupdate_len; |
| 274 | struct page *layoutupdate_page; |
| 275 | struct page **layoutupdate_pages; |
| 276 | __be32 *start_p; |
| 277 | }; |
| 278 | |
| 279 | struct nfs4_layoutcommit_res { |
| 280 | struct nfs4_sequence_res seq_res; |
| 281 | struct nfs_fattr *fattr; |
| 282 | const struct nfs_server *server; |
| 283 | int status; |
| 284 | }; |
| 285 | |
| 286 | struct nfs4_layoutcommit_data { |
| 287 | struct rpc_task task; |
| 288 | struct nfs_fattr fattr; |
| 289 | struct list_head lseg_list; |
| 290 | struct rpc_cred *cred; |
| 291 | struct inode *inode; |
| 292 | struct nfs4_layoutcommit_args args; |
| 293 | struct nfs4_layoutcommit_res res; |
| 294 | }; |
| 295 | |
| 296 | struct nfs4_layoutreturn_args { |
| 297 | struct nfs4_sequence_args seq_args; |
| 298 | struct pnfs_layout_hdr *layout; |
| 299 | struct inode *inode; |
| 300 | struct pnfs_layout_range range; |
| 301 | nfs4_stateid stateid; |
| 302 | __u32 layout_type; |
| 303 | }; |
| 304 | |
| 305 | struct nfs4_layoutreturn_res { |
| 306 | struct nfs4_sequence_res seq_res; |
| 307 | u32 lrs_present; |
| 308 | nfs4_stateid stateid; |
| 309 | }; |
| 310 | |
| 311 | struct nfs4_layoutreturn { |
| 312 | struct nfs4_layoutreturn_args args; |
| 313 | struct nfs4_layoutreturn_res res; |
| 314 | struct rpc_cred *cred; |
| 315 | struct nfs_client *clp; |
| 316 | struct inode *inode; |
| 317 | int rpc_status; |
| 318 | }; |
| 319 | |
| 320 | #define PNFS_LAYOUTSTATS_MAXSIZE 256 |
| 321 | |
| 322 | struct nfs42_layoutstat_args; |
| 323 | struct nfs42_layoutstat_devinfo; |
| 324 | typedef void (*layoutstats_encode_t)(struct xdr_stream *, |
| 325 | struct nfs42_layoutstat_args *, |
| 326 | struct nfs42_layoutstat_devinfo *); |
| 327 | |
| 328 | /* Per file per deviceid layoutstats */ |
| 329 | struct nfs42_layoutstat_devinfo { |
| 330 | struct nfs4_deviceid dev_id; |
| 331 | __u64 offset; |
| 332 | __u64 length; |
| 333 | __u64 read_count; |
| 334 | __u64 read_bytes; |
| 335 | __u64 write_count; |
| 336 | __u64 write_bytes; |
| 337 | __u32 layout_type; |
| 338 | layoutstats_encode_t layoutstats_encode; |
| 339 | void *layout_private; |
| 340 | }; |
| 341 | |
| 342 | struct nfs42_layoutstat_args { |
| 343 | struct nfs4_sequence_args seq_args; |
| 344 | struct nfs_fh *fh; |
| 345 | struct inode *inode; |
| 346 | nfs4_stateid stateid; |
| 347 | int num_dev; |
| 348 | struct nfs42_layoutstat_devinfo *devinfo; |
| 349 | }; |
| 350 | |
| 351 | struct nfs42_layoutstat_res { |
| 352 | struct nfs4_sequence_res seq_res; |
| 353 | int num_dev; |
| 354 | int rpc_status; |
| 355 | }; |
| 356 | |
| 357 | struct nfs42_layoutstat_data { |
| 358 | struct inode *inode; |
| 359 | struct nfs42_layoutstat_args args; |
| 360 | struct nfs42_layoutstat_res res; |
| 361 | }; |
| 362 | |
| 363 | struct nfs42_clone_args { |
| 364 | struct nfs4_sequence_args seq_args; |
| 365 | struct nfs_fh *src_fh; |
| 366 | struct nfs_fh *dst_fh; |
| 367 | nfs4_stateid src_stateid; |
| 368 | nfs4_stateid dst_stateid; |
| 369 | __u64 src_offset; |
| 370 | __u64 dst_offset; |
| 371 | __u64 count; |
| 372 | const u32 *dst_bitmask; |
| 373 | }; |
| 374 | |
| 375 | struct nfs42_clone_res { |
| 376 | struct nfs4_sequence_res seq_res; |
| 377 | unsigned int rpc_status; |
| 378 | struct nfs_fattr *dst_fattr; |
| 379 | const struct nfs_server *server; |
| 380 | }; |
| 381 | |
| 382 | struct stateowner_id { |
| 383 | __u64 create_time; |
| 384 | __u32 uniquifier; |
| 385 | }; |
| 386 | |
| 387 | /* |
| 388 | * Arguments to the open call. |
| 389 | */ |
| 390 | struct nfs_openargs { |
| 391 | struct nfs4_sequence_args seq_args; |
| 392 | const struct nfs_fh * fh; |
| 393 | struct nfs_seqid * seqid; |
| 394 | int open_flags; |
| 395 | fmode_t fmode; |
| 396 | u32 share_access; |
| 397 | u32 access; |
| 398 | __u64 clientid; |
| 399 | struct stateowner_id id; |
| 400 | union { |
| 401 | struct { |
| 402 | struct iattr * attrs; /* UNCHECKED, GUARDED, EXCLUSIVE4_1 */ |
| 403 | nfs4_verifier verifier; /* EXCLUSIVE */ |
| 404 | }; |
| 405 | nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */ |
| 406 | fmode_t delegation_type; /* CLAIM_PREVIOUS */ |
| 407 | } u; |
| 408 | const struct qstr * name; |
| 409 | const struct nfs_server *server; /* Needed for ID mapping */ |
| 410 | const u32 * bitmask; |
| 411 | const u32 * open_bitmap; |
| 412 | enum open_claim_type4 claim; |
| 413 | enum createmode4 createmode; |
| 414 | const struct nfs4_label *label; |
| 415 | }; |
| 416 | |
| 417 | struct nfs_openres { |
| 418 | struct nfs4_sequence_res seq_res; |
| 419 | nfs4_stateid stateid; |
| 420 | struct nfs_fh fh; |
| 421 | struct nfs4_change_info cinfo; |
| 422 | __u32 rflags; |
| 423 | struct nfs_fattr * f_attr; |
| 424 | struct nfs4_label *f_label; |
| 425 | struct nfs_seqid * seqid; |
| 426 | const struct nfs_server *server; |
| 427 | fmode_t delegation_type; |
| 428 | nfs4_stateid delegation; |
| 429 | unsigned long pagemod_limit; |
| 430 | __u32 do_recall; |
| 431 | __u32 attrset[NFS4_BITMAP_SIZE]; |
| 432 | struct nfs4_string *owner; |
| 433 | struct nfs4_string *group_owner; |
| 434 | __u32 access_request; |
| 435 | __u32 access_supported; |
| 436 | __u32 access_result; |
| 437 | }; |
| 438 | |
| 439 | /* |
| 440 | * Arguments to the open_confirm call. |
| 441 | */ |
| 442 | struct nfs_open_confirmargs { |
| 443 | struct nfs4_sequence_args seq_args; |
| 444 | const struct nfs_fh * fh; |
| 445 | nfs4_stateid * stateid; |
| 446 | struct nfs_seqid * seqid; |
| 447 | }; |
| 448 | |
| 449 | struct nfs_open_confirmres { |
| 450 | struct nfs4_sequence_res seq_res; |
| 451 | nfs4_stateid stateid; |
| 452 | struct nfs_seqid * seqid; |
| 453 | }; |
| 454 | |
| 455 | /* |
| 456 | * Arguments to the close call. |
| 457 | */ |
| 458 | struct nfs_closeargs { |
| 459 | struct nfs4_sequence_args seq_args; |
| 460 | struct nfs_fh * fh; |
| 461 | nfs4_stateid stateid; |
| 462 | struct nfs_seqid * seqid; |
| 463 | fmode_t fmode; |
| 464 | u32 share_access; |
| 465 | const u32 * bitmask; |
| 466 | }; |
| 467 | |
| 468 | struct nfs_closeres { |
| 469 | struct nfs4_sequence_res seq_res; |
| 470 | nfs4_stateid stateid; |
| 471 | struct nfs_fattr * fattr; |
| 472 | struct nfs_seqid * seqid; |
| 473 | const struct nfs_server *server; |
| 474 | }; |
| 475 | /* |
| 476 | * * Arguments to the lock,lockt, and locku call. |
| 477 | * */ |
| 478 | struct nfs_lowner { |
| 479 | __u64 clientid; |
| 480 | __u64 id; |
| 481 | dev_t s_dev; |
| 482 | }; |
| 483 | |
| 484 | struct nfs_lock_args { |
| 485 | struct nfs4_sequence_args seq_args; |
| 486 | struct nfs_fh * fh; |
| 487 | struct file_lock * fl; |
| 488 | struct nfs_seqid * lock_seqid; |
| 489 | nfs4_stateid lock_stateid; |
| 490 | struct nfs_seqid * open_seqid; |
| 491 | nfs4_stateid open_stateid; |
| 492 | struct nfs_lowner lock_owner; |
| 493 | unsigned char block : 1; |
| 494 | unsigned char reclaim : 1; |
| 495 | unsigned char new_lock : 1; |
| 496 | unsigned char new_lock_owner : 1; |
| 497 | }; |
| 498 | |
| 499 | struct nfs_lock_res { |
| 500 | struct nfs4_sequence_res seq_res; |
| 501 | nfs4_stateid stateid; |
| 502 | struct nfs_seqid * lock_seqid; |
| 503 | struct nfs_seqid * open_seqid; |
| 504 | }; |
| 505 | |
| 506 | struct nfs_locku_args { |
| 507 | struct nfs4_sequence_args seq_args; |
| 508 | struct nfs_fh * fh; |
| 509 | struct file_lock * fl; |
| 510 | struct nfs_seqid * seqid; |
| 511 | nfs4_stateid stateid; |
| 512 | }; |
| 513 | |
| 514 | struct nfs_locku_res { |
| 515 | struct nfs4_sequence_res seq_res; |
| 516 | nfs4_stateid stateid; |
| 517 | struct nfs_seqid * seqid; |
| 518 | }; |
| 519 | |
| 520 | struct nfs_lockt_args { |
| 521 | struct nfs4_sequence_args seq_args; |
| 522 | struct nfs_fh * fh; |
| 523 | struct file_lock * fl; |
| 524 | struct nfs_lowner lock_owner; |
| 525 | }; |
| 526 | |
| 527 | struct nfs_lockt_res { |
| 528 | struct nfs4_sequence_res seq_res; |
| 529 | struct file_lock * denied; /* LOCK, LOCKT failed */ |
| 530 | }; |
| 531 | |
| 532 | struct nfs_release_lockowner_args { |
| 533 | struct nfs4_sequence_args seq_args; |
| 534 | struct nfs_lowner lock_owner; |
| 535 | }; |
| 536 | |
| 537 | struct nfs_release_lockowner_res { |
| 538 | struct nfs4_sequence_res seq_res; |
| 539 | }; |
| 540 | |
| 541 | struct nfs4_delegreturnargs { |
| 542 | struct nfs4_sequence_args seq_args; |
| 543 | const struct nfs_fh *fhandle; |
| 544 | const nfs4_stateid *stateid; |
| 545 | const u32 * bitmask; |
| 546 | }; |
| 547 | |
| 548 | struct nfs4_delegreturnres { |
| 549 | struct nfs4_sequence_res seq_res; |
| 550 | struct nfs_fattr * fattr; |
| 551 | struct nfs_server *server; |
| 552 | }; |
| 553 | |
| 554 | /* |
| 555 | * Arguments to the write call. |
| 556 | */ |
| 557 | struct nfs_write_verifier { |
| 558 | char data[8]; |
| 559 | }; |
| 560 | |
| 561 | struct nfs_writeverf { |
| 562 | struct nfs_write_verifier verifier; |
| 563 | enum nfs3_stable_how committed; |
| 564 | }; |
| 565 | |
| 566 | /* |
| 567 | * Arguments shared by the read and write call. |
| 568 | */ |
| 569 | struct nfs_pgio_args { |
| 570 | struct nfs4_sequence_args seq_args; |
| 571 | struct nfs_fh * fh; |
| 572 | struct nfs_open_context *context; |
| 573 | struct nfs_lock_context *lock_context; |
| 574 | nfs4_stateid stateid; |
| 575 | __u64 offset; |
| 576 | __u32 count; |
| 577 | unsigned int pgbase; |
| 578 | struct page ** pages; |
| 579 | const u32 * bitmask; /* used by write */ |
| 580 | enum nfs3_stable_how stable; /* used by write */ |
| 581 | }; |
| 582 | |
| 583 | struct nfs_pgio_res { |
| 584 | struct nfs4_sequence_res seq_res; |
| 585 | struct nfs_fattr * fattr; |
| 586 | __u32 count; |
| 587 | __u32 op_status; |
| 588 | int eof; /* used by read */ |
| 589 | struct nfs_writeverf * verf; /* used by write */ |
| 590 | const struct nfs_server *server; /* used by write */ |
| 591 | |
| 592 | }; |
| 593 | |
| 594 | /* |
| 595 | * Arguments to the commit call. |
| 596 | */ |
| 597 | struct nfs_commitargs { |
| 598 | struct nfs4_sequence_args seq_args; |
| 599 | struct nfs_fh *fh; |
| 600 | __u64 offset; |
| 601 | __u32 count; |
| 602 | const u32 *bitmask; |
| 603 | }; |
| 604 | |
| 605 | struct nfs_commitres { |
| 606 | struct nfs4_sequence_res seq_res; |
| 607 | __u32 op_status; |
| 608 | struct nfs_fattr *fattr; |
| 609 | struct nfs_writeverf *verf; |
| 610 | const struct nfs_server *server; |
| 611 | }; |
| 612 | |
| 613 | /* |
| 614 | * Common arguments to the unlink call |
| 615 | */ |
| 616 | struct nfs_removeargs { |
| 617 | struct nfs4_sequence_args seq_args; |
| 618 | const struct nfs_fh *fh; |
| 619 | struct qstr name; |
| 620 | }; |
| 621 | |
| 622 | struct nfs_removeres { |
| 623 | struct nfs4_sequence_res seq_res; |
| 624 | struct nfs_server *server; |
| 625 | struct nfs_fattr *dir_attr; |
| 626 | struct nfs4_change_info cinfo; |
| 627 | }; |
| 628 | |
| 629 | /* |
| 630 | * Common arguments to the rename call |
| 631 | */ |
| 632 | struct nfs_renameargs { |
| 633 | struct nfs4_sequence_args seq_args; |
| 634 | const struct nfs_fh *old_dir; |
| 635 | const struct nfs_fh *new_dir; |
| 636 | const struct qstr *old_name; |
| 637 | const struct qstr *new_name; |
| 638 | }; |
| 639 | |
| 640 | struct nfs_renameres { |
| 641 | struct nfs4_sequence_res seq_res; |
| 642 | struct nfs_server *server; |
| 643 | struct nfs4_change_info old_cinfo; |
| 644 | struct nfs_fattr *old_fattr; |
| 645 | struct nfs4_change_info new_cinfo; |
| 646 | struct nfs_fattr *new_fattr; |
| 647 | }; |
| 648 | |
| 649 | /* parsed sec= options */ |
| 650 | #define NFS_AUTH_INFO_MAX_FLAVORS 12 /* see fs/nfs/super.c */ |
| 651 | struct nfs_auth_info { |
| 652 | unsigned int flavor_len; |
| 653 | rpc_authflavor_t flavors[NFS_AUTH_INFO_MAX_FLAVORS]; |
| 654 | }; |
| 655 | |
| 656 | /* |
| 657 | * Argument struct for decode_entry function |
| 658 | */ |
| 659 | struct nfs_entry { |
| 660 | __u64 ino; |
| 661 | __u64 cookie, |
| 662 | prev_cookie; |
| 663 | const char * name; |
| 664 | unsigned int len; |
| 665 | int eof; |
| 666 | struct nfs_fh * fh; |
| 667 | struct nfs_fattr * fattr; |
| 668 | struct nfs4_label *label; |
| 669 | unsigned char d_type; |
| 670 | struct nfs_server * server; |
| 671 | }; |
| 672 | |
| 673 | /* |
| 674 | * The following types are for NFSv2 only. |
| 675 | */ |
| 676 | struct nfs_sattrargs { |
| 677 | struct nfs_fh * fh; |
| 678 | struct iattr * sattr; |
| 679 | }; |
| 680 | |
| 681 | struct nfs_diropargs { |
| 682 | struct nfs_fh * fh; |
| 683 | const char * name; |
| 684 | unsigned int len; |
| 685 | }; |
| 686 | |
| 687 | struct nfs_createargs { |
| 688 | struct nfs_fh * fh; |
| 689 | const char * name; |
| 690 | unsigned int len; |
| 691 | struct iattr * sattr; |
| 692 | }; |
| 693 | |
| 694 | struct nfs_setattrargs { |
| 695 | struct nfs4_sequence_args seq_args; |
| 696 | struct nfs_fh * fh; |
| 697 | nfs4_stateid stateid; |
| 698 | struct iattr * iap; |
| 699 | const struct nfs_server * server; /* Needed for name mapping */ |
| 700 | const u32 * bitmask; |
| 701 | const struct nfs4_label *label; |
| 702 | }; |
| 703 | |
| 704 | struct nfs_setaclargs { |
| 705 | struct nfs4_sequence_args seq_args; |
| 706 | struct nfs_fh * fh; |
| 707 | size_t acl_len; |
| 708 | struct page ** acl_pages; |
| 709 | }; |
| 710 | |
| 711 | struct nfs_setaclres { |
| 712 | struct nfs4_sequence_res seq_res; |
| 713 | }; |
| 714 | |
| 715 | struct nfs_getaclargs { |
| 716 | struct nfs4_sequence_args seq_args; |
| 717 | struct nfs_fh * fh; |
| 718 | size_t acl_len; |
| 719 | struct page ** acl_pages; |
| 720 | }; |
| 721 | |
| 722 | /* getxattr ACL interface flags */ |
| 723 | #define NFS4_ACL_TRUNC 0x0001 /* ACL was truncated */ |
| 724 | struct nfs_getaclres { |
| 725 | struct nfs4_sequence_res seq_res; |
| 726 | size_t acl_len; |
| 727 | size_t acl_data_offset; |
| 728 | int acl_flags; |
| 729 | struct page * acl_scratch; |
| 730 | }; |
| 731 | |
| 732 | struct nfs_setattrres { |
| 733 | struct nfs4_sequence_res seq_res; |
| 734 | struct nfs_fattr * fattr; |
| 735 | struct nfs4_label *label; |
| 736 | const struct nfs_server * server; |
| 737 | }; |
| 738 | |
| 739 | struct nfs_linkargs { |
| 740 | struct nfs_fh * fromfh; |
| 741 | struct nfs_fh * tofh; |
| 742 | const char * toname; |
| 743 | unsigned int tolen; |
| 744 | }; |
| 745 | |
| 746 | struct nfs_symlinkargs { |
| 747 | struct nfs_fh * fromfh; |
| 748 | const char * fromname; |
| 749 | unsigned int fromlen; |
| 750 | struct page ** pages; |
| 751 | unsigned int pathlen; |
| 752 | struct iattr * sattr; |
| 753 | }; |
| 754 | |
| 755 | struct nfs_readdirargs { |
| 756 | struct nfs_fh * fh; |
| 757 | __u32 cookie; |
| 758 | unsigned int count; |
| 759 | struct page ** pages; |
| 760 | }; |
| 761 | |
| 762 | struct nfs3_getaclargs { |
| 763 | struct nfs_fh * fh; |
| 764 | int mask; |
| 765 | struct page ** pages; |
| 766 | }; |
| 767 | |
| 768 | struct nfs3_setaclargs { |
| 769 | struct inode * inode; |
| 770 | int mask; |
| 771 | struct posix_acl * acl_access; |
| 772 | struct posix_acl * acl_default; |
| 773 | size_t len; |
| 774 | unsigned int npages; |
| 775 | struct page ** pages; |
| 776 | }; |
| 777 | |
| 778 | struct nfs_diropok { |
| 779 | struct nfs_fh * fh; |
| 780 | struct nfs_fattr * fattr; |
| 781 | }; |
| 782 | |
| 783 | struct nfs_readlinkargs { |
| 784 | struct nfs_fh * fh; |
| 785 | unsigned int pgbase; |
| 786 | unsigned int pglen; |
| 787 | struct page ** pages; |
| 788 | }; |
| 789 | |
| 790 | struct nfs3_sattrargs { |
| 791 | struct nfs_fh * fh; |
| 792 | struct iattr * sattr; |
| 793 | unsigned int guard; |
| 794 | struct timespec guardtime; |
| 795 | }; |
| 796 | |
| 797 | struct nfs3_diropargs { |
| 798 | struct nfs_fh * fh; |
| 799 | const char * name; |
| 800 | unsigned int len; |
| 801 | }; |
| 802 | |
| 803 | struct nfs3_accessargs { |
| 804 | struct nfs_fh * fh; |
| 805 | __u32 access; |
| 806 | }; |
| 807 | |
| 808 | struct nfs3_createargs { |
| 809 | struct nfs_fh * fh; |
| 810 | const char * name; |
| 811 | unsigned int len; |
| 812 | struct iattr * sattr; |
| 813 | enum nfs3_createmode createmode; |
| 814 | __be32 verifier[2]; |
| 815 | }; |
| 816 | |
| 817 | struct nfs3_mkdirargs { |
| 818 | struct nfs_fh * fh; |
| 819 | const char * name; |
| 820 | unsigned int len; |
| 821 | struct iattr * sattr; |
| 822 | }; |
| 823 | |
| 824 | struct nfs3_symlinkargs { |
| 825 | struct nfs_fh * fromfh; |
| 826 | const char * fromname; |
| 827 | unsigned int fromlen; |
| 828 | struct page ** pages; |
| 829 | unsigned int pathlen; |
| 830 | struct iattr * sattr; |
| 831 | }; |
| 832 | |
| 833 | struct nfs3_mknodargs { |
| 834 | struct nfs_fh * fh; |
| 835 | const char * name; |
| 836 | unsigned int len; |
| 837 | enum nfs3_ftype type; |
| 838 | struct iattr * sattr; |
| 839 | dev_t rdev; |
| 840 | }; |
| 841 | |
| 842 | struct nfs3_linkargs { |
| 843 | struct nfs_fh * fromfh; |
| 844 | struct nfs_fh * tofh; |
| 845 | const char * toname; |
| 846 | unsigned int tolen; |
| 847 | }; |
| 848 | |
| 849 | struct nfs3_readdirargs { |
| 850 | struct nfs_fh * fh; |
| 851 | __u64 cookie; |
| 852 | __be32 verf[2]; |
| 853 | int plus; |
| 854 | unsigned int count; |
| 855 | struct page ** pages; |
| 856 | }; |
| 857 | |
| 858 | struct nfs3_diropres { |
| 859 | struct nfs_fattr * dir_attr; |
| 860 | struct nfs_fh * fh; |
| 861 | struct nfs_fattr * fattr; |
| 862 | }; |
| 863 | |
| 864 | struct nfs3_accessres { |
| 865 | struct nfs_fattr * fattr; |
| 866 | __u32 access; |
| 867 | }; |
| 868 | |
| 869 | struct nfs3_readlinkargs { |
| 870 | struct nfs_fh * fh; |
| 871 | unsigned int pgbase; |
| 872 | unsigned int pglen; |
| 873 | struct page ** pages; |
| 874 | }; |
| 875 | |
| 876 | struct nfs3_linkres { |
| 877 | struct nfs_fattr * dir_attr; |
| 878 | struct nfs_fattr * fattr; |
| 879 | }; |
| 880 | |
| 881 | struct nfs3_readdirres { |
| 882 | struct nfs_fattr * dir_attr; |
| 883 | __be32 * verf; |
| 884 | int plus; |
| 885 | }; |
| 886 | |
| 887 | struct nfs3_getaclres { |
| 888 | struct nfs_fattr * fattr; |
| 889 | int mask; |
| 890 | unsigned int acl_access_count; |
| 891 | unsigned int acl_default_count; |
| 892 | struct posix_acl * acl_access; |
| 893 | struct posix_acl * acl_default; |
| 894 | }; |
| 895 | |
| 896 | #if IS_ENABLED(CONFIG_NFS_V4) |
| 897 | |
| 898 | typedef u64 clientid4; |
| 899 | |
| 900 | struct nfs4_accessargs { |
| 901 | struct nfs4_sequence_args seq_args; |
| 902 | const struct nfs_fh * fh; |
| 903 | const u32 * bitmask; |
| 904 | u32 access; |
| 905 | }; |
| 906 | |
| 907 | struct nfs4_accessres { |
| 908 | struct nfs4_sequence_res seq_res; |
| 909 | const struct nfs_server * server; |
| 910 | struct nfs_fattr * fattr; |
| 911 | u32 supported; |
| 912 | u32 access; |
| 913 | }; |
| 914 | |
| 915 | struct nfs4_create_arg { |
| 916 | struct nfs4_sequence_args seq_args; |
| 917 | u32 ftype; |
| 918 | union { |
| 919 | struct { |
| 920 | struct page ** pages; |
| 921 | unsigned int len; |
| 922 | } symlink; /* NF4LNK */ |
| 923 | struct { |
| 924 | u32 specdata1; |
| 925 | u32 specdata2; |
| 926 | } device; /* NF4BLK, NF4CHR */ |
| 927 | } u; |
| 928 | const struct qstr * name; |
| 929 | const struct nfs_server * server; |
| 930 | const struct iattr * attrs; |
| 931 | const struct nfs_fh * dir_fh; |
| 932 | const u32 * bitmask; |
| 933 | const struct nfs4_label *label; |
| 934 | }; |
| 935 | |
| 936 | struct nfs4_create_res { |
| 937 | struct nfs4_sequence_res seq_res; |
| 938 | const struct nfs_server * server; |
| 939 | struct nfs_fh * fh; |
| 940 | struct nfs_fattr * fattr; |
| 941 | struct nfs4_label *label; |
| 942 | struct nfs4_change_info dir_cinfo; |
| 943 | }; |
| 944 | |
| 945 | struct nfs4_fsinfo_arg { |
| 946 | struct nfs4_sequence_args seq_args; |
| 947 | const struct nfs_fh * fh; |
| 948 | const u32 * bitmask; |
| 949 | }; |
| 950 | |
| 951 | struct nfs4_fsinfo_res { |
| 952 | struct nfs4_sequence_res seq_res; |
| 953 | struct nfs_fsinfo *fsinfo; |
| 954 | }; |
| 955 | |
| 956 | struct nfs4_getattr_arg { |
| 957 | struct nfs4_sequence_args seq_args; |
| 958 | const struct nfs_fh * fh; |
| 959 | const u32 * bitmask; |
| 960 | }; |
| 961 | |
| 962 | struct nfs4_getattr_res { |
| 963 | struct nfs4_sequence_res seq_res; |
| 964 | const struct nfs_server * server; |
| 965 | struct nfs_fattr * fattr; |
| 966 | struct nfs4_label *label; |
| 967 | }; |
| 968 | |
| 969 | struct nfs4_link_arg { |
| 970 | struct nfs4_sequence_args seq_args; |
| 971 | const struct nfs_fh * fh; |
| 972 | const struct nfs_fh * dir_fh; |
| 973 | const struct qstr * name; |
| 974 | const u32 * bitmask; |
| 975 | }; |
| 976 | |
| 977 | struct nfs4_link_res { |
| 978 | struct nfs4_sequence_res seq_res; |
| 979 | const struct nfs_server * server; |
| 980 | struct nfs_fattr * fattr; |
| 981 | struct nfs4_label *label; |
| 982 | struct nfs4_change_info cinfo; |
| 983 | struct nfs_fattr * dir_attr; |
| 984 | }; |
| 985 | |
| 986 | |
| 987 | struct nfs4_lookup_arg { |
| 988 | struct nfs4_sequence_args seq_args; |
| 989 | const struct nfs_fh * dir_fh; |
| 990 | const struct qstr * name; |
| 991 | const u32 * bitmask; |
| 992 | }; |
| 993 | |
| 994 | struct nfs4_lookup_res { |
| 995 | struct nfs4_sequence_res seq_res; |
| 996 | const struct nfs_server * server; |
| 997 | struct nfs_fattr * fattr; |
| 998 | struct nfs_fh * fh; |
| 999 | struct nfs4_label *label; |
| 1000 | }; |
| 1001 | |
| 1002 | struct nfs4_lookup_root_arg { |
| 1003 | struct nfs4_sequence_args seq_args; |
| 1004 | const u32 * bitmask; |
| 1005 | }; |
| 1006 | |
| 1007 | struct nfs4_pathconf_arg { |
| 1008 | struct nfs4_sequence_args seq_args; |
| 1009 | const struct nfs_fh * fh; |
| 1010 | const u32 * bitmask; |
| 1011 | }; |
| 1012 | |
| 1013 | struct nfs4_pathconf_res { |
| 1014 | struct nfs4_sequence_res seq_res; |
| 1015 | struct nfs_pathconf *pathconf; |
| 1016 | }; |
| 1017 | |
| 1018 | struct nfs4_readdir_arg { |
| 1019 | struct nfs4_sequence_args seq_args; |
| 1020 | const struct nfs_fh * fh; |
| 1021 | u64 cookie; |
| 1022 | nfs4_verifier verifier; |
| 1023 | u32 count; |
| 1024 | struct page ** pages; /* zero-copy data */ |
| 1025 | unsigned int pgbase; /* zero-copy data */ |
| 1026 | const u32 * bitmask; |
| 1027 | int plus; |
| 1028 | }; |
| 1029 | |
| 1030 | struct nfs4_readdir_res { |
| 1031 | struct nfs4_sequence_res seq_res; |
| 1032 | nfs4_verifier verifier; |
| 1033 | unsigned int pgbase; |
| 1034 | }; |
| 1035 | |
| 1036 | struct nfs4_readlink { |
| 1037 | struct nfs4_sequence_args seq_args; |
| 1038 | const struct nfs_fh * fh; |
| 1039 | unsigned int pgbase; |
| 1040 | unsigned int pglen; /* zero-copy data */ |
| 1041 | struct page ** pages; /* zero-copy data */ |
| 1042 | }; |
| 1043 | |
| 1044 | struct nfs4_readlink_res { |
| 1045 | struct nfs4_sequence_res seq_res; |
| 1046 | }; |
| 1047 | |
| 1048 | struct nfs4_setclientid { |
| 1049 | const nfs4_verifier * sc_verifier; |
| 1050 | u32 sc_prog; |
| 1051 | unsigned int sc_netid_len; |
| 1052 | char sc_netid[RPCBIND_MAXNETIDLEN + 1]; |
| 1053 | unsigned int sc_uaddr_len; |
| 1054 | char sc_uaddr[RPCBIND_MAXUADDRLEN + 1]; |
| 1055 | struct nfs_client *sc_clnt; |
| 1056 | struct rpc_cred *sc_cred; |
| 1057 | }; |
| 1058 | |
| 1059 | struct nfs4_setclientid_res { |
| 1060 | u64 clientid; |
| 1061 | nfs4_verifier confirm; |
| 1062 | }; |
| 1063 | |
| 1064 | struct nfs4_statfs_arg { |
| 1065 | struct nfs4_sequence_args seq_args; |
| 1066 | const struct nfs_fh * fh; |
| 1067 | const u32 * bitmask; |
| 1068 | }; |
| 1069 | |
| 1070 | struct nfs4_statfs_res { |
| 1071 | struct nfs4_sequence_res seq_res; |
| 1072 | struct nfs_fsstat *fsstat; |
| 1073 | }; |
| 1074 | |
| 1075 | struct nfs4_server_caps_arg { |
| 1076 | struct nfs4_sequence_args seq_args; |
| 1077 | struct nfs_fh *fhandle; |
| 1078 | const u32 * bitmask; |
| 1079 | }; |
| 1080 | |
| 1081 | struct nfs4_server_caps_res { |
| 1082 | struct nfs4_sequence_res seq_res; |
| 1083 | u32 attr_bitmask[3]; |
| 1084 | u32 exclcreat_bitmask[3]; |
| 1085 | u32 acl_bitmask; |
| 1086 | u32 has_links; |
| 1087 | u32 has_symlinks; |
| 1088 | u32 fh_expire_type; |
| 1089 | }; |
| 1090 | |
| 1091 | #define NFS4_PATHNAME_MAXCOMPONENTS 512 |
| 1092 | struct nfs4_pathname { |
| 1093 | unsigned int ncomponents; |
| 1094 | struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS]; |
| 1095 | }; |
| 1096 | |
| 1097 | #define NFS4_FS_LOCATION_MAXSERVERS 10 |
| 1098 | struct nfs4_fs_location { |
| 1099 | unsigned int nservers; |
| 1100 | struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS]; |
| 1101 | struct nfs4_pathname rootpath; |
| 1102 | }; |
| 1103 | |
| 1104 | #define NFS4_FS_LOCATIONS_MAXENTRIES 10 |
| 1105 | struct nfs4_fs_locations { |
| 1106 | struct nfs_fattr fattr; |
| 1107 | const struct nfs_server *server; |
| 1108 | struct nfs4_pathname fs_path; |
| 1109 | int nlocations; |
| 1110 | struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES]; |
| 1111 | }; |
| 1112 | |
| 1113 | struct nfs4_fs_locations_arg { |
| 1114 | struct nfs4_sequence_args seq_args; |
| 1115 | const struct nfs_fh *dir_fh; |
| 1116 | const struct nfs_fh *fh; |
| 1117 | const struct qstr *name; |
| 1118 | struct page *page; |
| 1119 | const u32 *bitmask; |
| 1120 | clientid4 clientid; |
| 1121 | unsigned char migration:1, renew:1; |
| 1122 | }; |
| 1123 | |
| 1124 | struct nfs4_fs_locations_res { |
| 1125 | struct nfs4_sequence_res seq_res; |
| 1126 | struct nfs4_fs_locations *fs_locations; |
| 1127 | unsigned char migration:1, renew:1; |
| 1128 | }; |
| 1129 | |
| 1130 | struct nfs4_secinfo4 { |
| 1131 | u32 flavor; |
| 1132 | struct rpcsec_gss_info flavor_info; |
| 1133 | }; |
| 1134 | |
| 1135 | struct nfs4_secinfo_flavors { |
| 1136 | unsigned int num_flavors; |
| 1137 | struct nfs4_secinfo4 flavors[0]; |
| 1138 | }; |
| 1139 | |
| 1140 | struct nfs4_secinfo_arg { |
| 1141 | struct nfs4_sequence_args seq_args; |
| 1142 | const struct nfs_fh *dir_fh; |
| 1143 | const struct qstr *name; |
| 1144 | }; |
| 1145 | |
| 1146 | struct nfs4_secinfo_res { |
| 1147 | struct nfs4_sequence_res seq_res; |
| 1148 | struct nfs4_secinfo_flavors *flavors; |
| 1149 | }; |
| 1150 | |
| 1151 | struct nfs4_fsid_present_arg { |
| 1152 | struct nfs4_sequence_args seq_args; |
| 1153 | const struct nfs_fh *fh; |
| 1154 | clientid4 clientid; |
| 1155 | unsigned char renew:1; |
| 1156 | }; |
| 1157 | |
| 1158 | struct nfs4_fsid_present_res { |
| 1159 | struct nfs4_sequence_res seq_res; |
| 1160 | struct nfs_fh *fh; |
| 1161 | unsigned char renew:1; |
| 1162 | }; |
| 1163 | |
| 1164 | #endif /* CONFIG_NFS_V4 */ |
| 1165 | |
| 1166 | struct nfstime4 { |
| 1167 | u64 seconds; |
| 1168 | u32 nseconds; |
| 1169 | }; |
| 1170 | |
| 1171 | #ifdef CONFIG_NFS_V4_1 |
| 1172 | |
| 1173 | struct pnfs_commit_bucket { |
| 1174 | struct list_head written; |
| 1175 | struct list_head committing; |
| 1176 | struct pnfs_layout_segment *wlseg; |
| 1177 | struct pnfs_layout_segment *clseg; |
| 1178 | struct nfs_writeverf direct_verf; |
| 1179 | }; |
| 1180 | |
| 1181 | struct pnfs_ds_commit_info { |
| 1182 | int nwritten; |
| 1183 | int ncommitting; |
| 1184 | int nbuckets; |
| 1185 | struct pnfs_commit_bucket *buckets; |
| 1186 | }; |
| 1187 | |
| 1188 | #define NFS4_OP_MAP_NUM_LONGS \ |
| 1189 | DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long)) |
| 1190 | #define NFS4_OP_MAP_NUM_WORDS \ |
| 1191 | (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32)) |
| 1192 | struct nfs4_op_map { |
| 1193 | union { |
| 1194 | unsigned long longs[NFS4_OP_MAP_NUM_LONGS]; |
| 1195 | u32 words[NFS4_OP_MAP_NUM_WORDS]; |
| 1196 | } u; |
| 1197 | }; |
| 1198 | |
| 1199 | struct nfs41_state_protection { |
| 1200 | u32 how; |
| 1201 | struct nfs4_op_map enforce; |
| 1202 | struct nfs4_op_map allow; |
| 1203 | }; |
| 1204 | |
| 1205 | struct nfs41_exchange_id_args { |
| 1206 | struct nfs_client *client; |
| 1207 | nfs4_verifier *verifier; |
| 1208 | u32 flags; |
| 1209 | struct nfs41_state_protection state_protect; |
| 1210 | }; |
| 1211 | |
| 1212 | struct nfs41_server_owner { |
| 1213 | uint64_t minor_id; |
| 1214 | uint32_t major_id_sz; |
| 1215 | char major_id[NFS4_OPAQUE_LIMIT]; |
| 1216 | }; |
| 1217 | |
| 1218 | struct nfs41_server_scope { |
| 1219 | uint32_t server_scope_sz; |
| 1220 | char server_scope[NFS4_OPAQUE_LIMIT]; |
| 1221 | }; |
| 1222 | |
| 1223 | struct nfs41_impl_id { |
| 1224 | char domain[NFS4_OPAQUE_LIMIT + 1]; |
| 1225 | char name[NFS4_OPAQUE_LIMIT + 1]; |
| 1226 | struct nfstime4 date; |
| 1227 | }; |
| 1228 | |
| 1229 | struct nfs41_bind_conn_to_session_args { |
| 1230 | struct nfs_client *client; |
| 1231 | struct nfs4_sessionid sessionid; |
| 1232 | u32 dir; |
| 1233 | bool use_conn_in_rdma_mode; |
| 1234 | }; |
| 1235 | |
| 1236 | struct nfs41_bind_conn_to_session_res { |
| 1237 | struct nfs4_sessionid sessionid; |
| 1238 | u32 dir; |
| 1239 | bool use_conn_in_rdma_mode; |
| 1240 | }; |
| 1241 | |
| 1242 | struct nfs41_exchange_id_res { |
| 1243 | u64 clientid; |
| 1244 | u32 seqid; |
| 1245 | u32 flags; |
| 1246 | struct nfs41_server_owner *server_owner; |
| 1247 | struct nfs41_server_scope *server_scope; |
| 1248 | struct nfs41_impl_id *impl_id; |
| 1249 | struct nfs41_state_protection state_protect; |
| 1250 | }; |
| 1251 | |
| 1252 | struct nfs41_create_session_args { |
| 1253 | struct nfs_client *client; |
| 1254 | u64 clientid; |
| 1255 | uint32_t seqid; |
| 1256 | uint32_t flags; |
| 1257 | uint32_t cb_program; |
| 1258 | struct nfs4_channel_attrs fc_attrs; /* Fore Channel */ |
| 1259 | struct nfs4_channel_attrs bc_attrs; /* Back Channel */ |
| 1260 | }; |
| 1261 | |
| 1262 | struct nfs41_create_session_res { |
| 1263 | struct nfs4_sessionid sessionid; |
| 1264 | uint32_t seqid; |
| 1265 | uint32_t flags; |
| 1266 | struct nfs4_channel_attrs fc_attrs; /* Fore Channel */ |
| 1267 | struct nfs4_channel_attrs bc_attrs; /* Back Channel */ |
| 1268 | }; |
| 1269 | |
| 1270 | struct nfs41_reclaim_complete_args { |
| 1271 | struct nfs4_sequence_args seq_args; |
| 1272 | /* In the future extend to include curr_fh for use with migration */ |
| 1273 | unsigned char one_fs:1; |
| 1274 | }; |
| 1275 | |
| 1276 | struct nfs41_reclaim_complete_res { |
| 1277 | struct nfs4_sequence_res seq_res; |
| 1278 | }; |
| 1279 | |
| 1280 | #define SECINFO_STYLE_CURRENT_FH 0 |
| 1281 | #define SECINFO_STYLE_PARENT 1 |
| 1282 | struct nfs41_secinfo_no_name_args { |
| 1283 | struct nfs4_sequence_args seq_args; |
| 1284 | int style; |
| 1285 | }; |
| 1286 | |
| 1287 | struct nfs41_test_stateid_args { |
| 1288 | struct nfs4_sequence_args seq_args; |
| 1289 | nfs4_stateid *stateid; |
| 1290 | }; |
| 1291 | |
| 1292 | struct nfs41_test_stateid_res { |
| 1293 | struct nfs4_sequence_res seq_res; |
| 1294 | unsigned int status; |
| 1295 | }; |
| 1296 | |
| 1297 | struct nfs41_free_stateid_args { |
| 1298 | struct nfs4_sequence_args seq_args; |
| 1299 | nfs4_stateid stateid; |
| 1300 | }; |
| 1301 | |
| 1302 | struct nfs41_free_stateid_res { |
| 1303 | struct nfs4_sequence_res seq_res; |
| 1304 | unsigned int status; |
| 1305 | }; |
| 1306 | |
| 1307 | static inline void |
| 1308 | nfs_free_pnfs_ds_cinfo(struct pnfs_ds_commit_info *cinfo) |
| 1309 | { |
| 1310 | kfree(cinfo->buckets); |
| 1311 | } |
| 1312 | |
| 1313 | #else |
| 1314 | |
| 1315 | struct pnfs_ds_commit_info { |
| 1316 | }; |
| 1317 | |
| 1318 | static inline void |
| 1319 | nfs_free_pnfs_ds_cinfo(struct pnfs_ds_commit_info *cinfo) |
| 1320 | { |
| 1321 | } |
| 1322 | |
| 1323 | #endif /* CONFIG_NFS_V4_1 */ |
| 1324 | |
| 1325 | #ifdef CONFIG_NFS_V4_2 |
| 1326 | struct nfs42_falloc_args { |
| 1327 | struct nfs4_sequence_args seq_args; |
| 1328 | |
| 1329 | struct nfs_fh *falloc_fh; |
| 1330 | nfs4_stateid falloc_stateid; |
| 1331 | u64 falloc_offset; |
| 1332 | u64 falloc_length; |
| 1333 | const u32 *falloc_bitmask; |
| 1334 | }; |
| 1335 | |
| 1336 | struct nfs42_falloc_res { |
| 1337 | struct nfs4_sequence_res seq_res; |
| 1338 | unsigned int status; |
| 1339 | |
| 1340 | struct nfs_fattr *falloc_fattr; |
| 1341 | const struct nfs_server *falloc_server; |
| 1342 | }; |
| 1343 | |
| 1344 | struct nfs42_copy_args { |
| 1345 | struct nfs4_sequence_args seq_args; |
| 1346 | |
| 1347 | struct nfs_fh *src_fh; |
| 1348 | nfs4_stateid src_stateid; |
| 1349 | u64 src_pos; |
| 1350 | |
| 1351 | struct nfs_fh *dst_fh; |
| 1352 | nfs4_stateid dst_stateid; |
| 1353 | u64 dst_pos; |
| 1354 | |
| 1355 | u64 count; |
| 1356 | }; |
| 1357 | |
| 1358 | struct nfs42_write_res { |
| 1359 | u64 count; |
| 1360 | struct nfs_writeverf verifier; |
| 1361 | }; |
| 1362 | |
| 1363 | struct nfs42_copy_res { |
| 1364 | struct nfs4_sequence_res seq_res; |
| 1365 | struct nfs42_write_res write_res; |
| 1366 | bool consecutive; |
| 1367 | bool synchronous; |
| 1368 | }; |
| 1369 | |
| 1370 | struct nfs42_seek_args { |
| 1371 | struct nfs4_sequence_args seq_args; |
| 1372 | |
| 1373 | struct nfs_fh *sa_fh; |
| 1374 | nfs4_stateid sa_stateid; |
| 1375 | u64 sa_offset; |
| 1376 | u32 sa_what; |
| 1377 | }; |
| 1378 | |
| 1379 | struct nfs42_seek_res { |
| 1380 | struct nfs4_sequence_res seq_res; |
| 1381 | unsigned int status; |
| 1382 | |
| 1383 | u32 sr_eof; |
| 1384 | u64 sr_offset; |
| 1385 | }; |
| 1386 | #endif |
| 1387 | |
| 1388 | struct nfs_page; |
| 1389 | |
| 1390 | #define NFS_PAGEVEC_SIZE (8U) |
| 1391 | |
| 1392 | struct nfs_page_array { |
| 1393 | struct page **pagevec; |
| 1394 | unsigned int npages; /* Max length of pagevec */ |
| 1395 | struct page *page_array[NFS_PAGEVEC_SIZE]; |
| 1396 | }; |
| 1397 | |
| 1398 | /* used as flag bits in nfs_pgio_header */ |
| 1399 | enum { |
| 1400 | NFS_IOHDR_ERROR = 0, |
| 1401 | NFS_IOHDR_EOF, |
| 1402 | NFS_IOHDR_REDO, |
| 1403 | NFS_IOHDR_STAT, |
| 1404 | }; |
| 1405 | |
| 1406 | struct nfs_pgio_header { |
| 1407 | struct inode *inode; |
| 1408 | struct rpc_cred *cred; |
| 1409 | struct list_head pages; |
| 1410 | struct nfs_page *req; |
| 1411 | struct nfs_writeverf verf; /* Used for writes */ |
| 1412 | struct pnfs_layout_segment *lseg; |
| 1413 | loff_t io_start; |
| 1414 | const struct rpc_call_ops *mds_ops; |
| 1415 | void (*release) (struct nfs_pgio_header *hdr); |
| 1416 | const struct nfs_pgio_completion_ops *completion_ops; |
| 1417 | const struct nfs_rw_ops *rw_ops; |
| 1418 | struct nfs_direct_req *dreq; |
| 1419 | void *layout_private; |
| 1420 | spinlock_t lock; |
| 1421 | /* fields protected by lock */ |
| 1422 | int pnfs_error; |
| 1423 | int error; /* merge with pnfs_error */ |
| 1424 | unsigned long good_bytes; /* boundary of good data */ |
| 1425 | unsigned long flags; |
| 1426 | |
| 1427 | /* |
| 1428 | * rpc data |
| 1429 | */ |
| 1430 | struct rpc_task task; |
| 1431 | struct nfs_fattr fattr; |
| 1432 | struct nfs_pgio_args args; /* argument struct */ |
| 1433 | struct nfs_pgio_res res; /* result struct */ |
| 1434 | unsigned long timestamp; /* For lease renewal */ |
| 1435 | int (*pgio_done_cb)(struct rpc_task *, struct nfs_pgio_header *); |
| 1436 | __u64 mds_offset; /* Filelayout dense stripe */ |
| 1437 | struct nfs_page_array page_array; |
| 1438 | struct nfs_client *ds_clp; /* pNFS data server */ |
| 1439 | int ds_commit_idx; /* ds index if ds_clp is set */ |
| 1440 | int pgio_mirror_idx;/* mirror index in pgio layer */ |
| 1441 | }; |
| 1442 | |
| 1443 | struct nfs_mds_commit_info { |
| 1444 | atomic_t rpcs_out; |
| 1445 | unsigned long ncommit; |
| 1446 | struct list_head list; |
| 1447 | }; |
| 1448 | |
| 1449 | struct nfs_commit_info; |
| 1450 | struct nfs_commit_data; |
| 1451 | struct nfs_inode; |
| 1452 | struct nfs_commit_completion_ops { |
| 1453 | void (*completion) (struct nfs_commit_data *data); |
| 1454 | void (*resched_write) (struct nfs_commit_info *, struct nfs_page *); |
| 1455 | }; |
| 1456 | |
| 1457 | struct nfs_commit_info { |
| 1458 | struct inode *inode; /* Needed for inode->i_lock */ |
| 1459 | struct nfs_mds_commit_info *mds; |
| 1460 | struct pnfs_ds_commit_info *ds; |
| 1461 | struct nfs_direct_req *dreq; /* O_DIRECT request */ |
| 1462 | const struct nfs_commit_completion_ops *completion_ops; |
| 1463 | }; |
| 1464 | |
| 1465 | struct nfs_commit_data { |
| 1466 | struct rpc_task task; |
| 1467 | struct inode *inode; |
| 1468 | struct rpc_cred *cred; |
| 1469 | struct nfs_fattr fattr; |
| 1470 | struct nfs_writeverf verf; |
| 1471 | struct list_head pages; /* Coalesced requests we wish to flush */ |
| 1472 | struct list_head list; /* lists of struct nfs_write_data */ |
| 1473 | struct nfs_direct_req *dreq; /* O_DIRECT request */ |
| 1474 | struct nfs_commitargs args; /* argument struct */ |
| 1475 | struct nfs_commitres res; /* result struct */ |
| 1476 | struct nfs_open_context *context; |
| 1477 | struct pnfs_layout_segment *lseg; |
| 1478 | struct nfs_client *ds_clp; /* pNFS data server */ |
| 1479 | int ds_commit_index; |
| 1480 | loff_t lwb; |
| 1481 | const struct rpc_call_ops *mds_ops; |
| 1482 | const struct nfs_commit_completion_ops *completion_ops; |
| 1483 | int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data); |
| 1484 | unsigned long flags; |
| 1485 | }; |
| 1486 | |
| 1487 | struct nfs_pgio_completion_ops { |
| 1488 | void (*error_cleanup)(struct list_head *head); |
| 1489 | void (*init_hdr)(struct nfs_pgio_header *hdr); |
| 1490 | void (*completion)(struct nfs_pgio_header *hdr); |
| 1491 | void (*reschedule_io)(struct nfs_pgio_header *hdr); |
| 1492 | }; |
| 1493 | |
| 1494 | struct nfs_unlinkdata { |
| 1495 | struct nfs_removeargs args; |
| 1496 | struct nfs_removeres res; |
| 1497 | struct dentry *dentry; |
| 1498 | wait_queue_head_t wq; |
| 1499 | struct rpc_cred *cred; |
| 1500 | struct nfs_fattr dir_attr; |
| 1501 | long timeout; |
| 1502 | }; |
| 1503 | |
| 1504 | struct nfs_renamedata { |
| 1505 | struct nfs_renameargs args; |
| 1506 | struct nfs_renameres res; |
| 1507 | struct rpc_cred *cred; |
| 1508 | struct inode *old_dir; |
| 1509 | struct dentry *old_dentry; |
| 1510 | struct nfs_fattr old_fattr; |
| 1511 | struct inode *new_dir; |
| 1512 | struct dentry *new_dentry; |
| 1513 | struct nfs_fattr new_fattr; |
| 1514 | void (*complete)(struct rpc_task *, struct nfs_renamedata *); |
| 1515 | long timeout; |
| 1516 | }; |
| 1517 | |
| 1518 | struct nfs_access_entry; |
| 1519 | struct nfs_client; |
| 1520 | struct rpc_timeout; |
| 1521 | struct nfs_subversion; |
| 1522 | struct nfs_mount_info; |
| 1523 | struct nfs_client_initdata; |
| 1524 | struct nfs_pageio_descriptor; |
| 1525 | |
| 1526 | /* |
| 1527 | * RPC procedure vector for NFSv2/NFSv3 demuxing |
| 1528 | */ |
| 1529 | struct nfs_rpc_ops { |
| 1530 | u32 version; /* Protocol version */ |
| 1531 | const struct dentry_operations *dentry_ops; |
| 1532 | const struct inode_operations *dir_inode_ops; |
| 1533 | const struct inode_operations *file_inode_ops; |
| 1534 | const struct file_operations *file_ops; |
| 1535 | |
| 1536 | int (*getroot) (struct nfs_server *, struct nfs_fh *, |
| 1537 | struct nfs_fsinfo *); |
| 1538 | struct vfsmount *(*submount) (struct nfs_server *, struct dentry *, |
| 1539 | struct nfs_fh *, struct nfs_fattr *); |
| 1540 | struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *, |
| 1541 | struct nfs_subversion *); |
| 1542 | int (*getattr) (struct nfs_server *, struct nfs_fh *, |
| 1543 | struct nfs_fattr *, struct nfs4_label *); |
| 1544 | int (*setattr) (struct dentry *, struct nfs_fattr *, |
| 1545 | struct iattr *); |
| 1546 | int (*lookup) (struct inode *, struct qstr *, |
| 1547 | struct nfs_fh *, struct nfs_fattr *, |
| 1548 | struct nfs4_label *); |
| 1549 | int (*access) (struct inode *, struct nfs_access_entry *); |
| 1550 | int (*readlink)(struct inode *, struct page *, unsigned int, |
| 1551 | unsigned int); |
| 1552 | int (*create) (struct inode *, struct dentry *, |
| 1553 | struct iattr *, int); |
| 1554 | int (*remove) (struct inode *, struct qstr *); |
| 1555 | void (*unlink_setup) (struct rpc_message *, struct inode *dir); |
| 1556 | void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *); |
| 1557 | int (*unlink_done) (struct rpc_task *, struct inode *); |
| 1558 | void (*rename_setup) (struct rpc_message *msg, struct inode *dir); |
| 1559 | void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *); |
| 1560 | int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir); |
| 1561 | int (*link) (struct inode *, struct inode *, struct qstr *); |
| 1562 | int (*symlink) (struct inode *, struct dentry *, struct page *, |
| 1563 | unsigned int, struct iattr *); |
| 1564 | int (*mkdir) (struct inode *, struct dentry *, struct iattr *); |
| 1565 | int (*rmdir) (struct inode *, struct qstr *); |
| 1566 | int (*readdir) (struct dentry *, struct rpc_cred *, |
| 1567 | u64, struct page **, unsigned int, int); |
| 1568 | int (*mknod) (struct inode *, struct dentry *, struct iattr *, |
| 1569 | dev_t); |
| 1570 | int (*statfs) (struct nfs_server *, struct nfs_fh *, |
| 1571 | struct nfs_fsstat *); |
| 1572 | int (*fsinfo) (struct nfs_server *, struct nfs_fh *, |
| 1573 | struct nfs_fsinfo *); |
| 1574 | int (*pathconf) (struct nfs_server *, struct nfs_fh *, |
| 1575 | struct nfs_pathconf *); |
| 1576 | int (*set_capabilities)(struct nfs_server *, struct nfs_fh *); |
| 1577 | int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int); |
| 1578 | int (*pgio_rpc_prepare)(struct rpc_task *, |
| 1579 | struct nfs_pgio_header *); |
| 1580 | void (*read_setup)(struct nfs_pgio_header *, struct rpc_message *); |
| 1581 | int (*read_done)(struct rpc_task *, struct nfs_pgio_header *); |
| 1582 | void (*write_setup)(struct nfs_pgio_header *, struct rpc_message *); |
| 1583 | int (*write_done)(struct rpc_task *, struct nfs_pgio_header *); |
| 1584 | void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *); |
| 1585 | void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *); |
| 1586 | int (*commit_done) (struct rpc_task *, struct nfs_commit_data *); |
| 1587 | int (*lock)(struct file *, int, struct file_lock *); |
| 1588 | int (*lock_check_bounds)(const struct file_lock *); |
| 1589 | void (*clear_acl_cache)(struct inode *); |
| 1590 | void (*close_context)(struct nfs_open_context *ctx, int); |
| 1591 | struct inode * (*open_context) (struct inode *dir, |
| 1592 | struct nfs_open_context *ctx, |
| 1593 | int open_flags, |
| 1594 | struct iattr *iattr, |
| 1595 | int *); |
| 1596 | int (*have_delegation)(struct inode *, fmode_t); |
| 1597 | int (*return_delegation)(struct inode *); |
| 1598 | struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *); |
| 1599 | struct nfs_client * |
| 1600 | (*init_client) (struct nfs_client *, const struct rpc_timeout *, |
| 1601 | const char *); |
| 1602 | void (*free_client) (struct nfs_client *); |
| 1603 | struct nfs_server *(*create_server)(struct nfs_mount_info *, struct nfs_subversion *); |
| 1604 | struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *, |
| 1605 | struct nfs_fattr *, rpc_authflavor_t); |
| 1606 | }; |
| 1607 | |
| 1608 | /* |
| 1609 | * NFS_CALL(getattr, inode, (fattr)); |
| 1610 | * into |
| 1611 | * NFS_PROTO(inode)->getattr(fattr); |
| 1612 | */ |
| 1613 | #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args |
| 1614 | |
| 1615 | /* |
| 1616 | * Function vectors etc. for the NFS client |
| 1617 | */ |
| 1618 | extern const struct nfs_rpc_ops nfs_v2_clientops; |
| 1619 | extern const struct nfs_rpc_ops nfs_v3_clientops; |
| 1620 | extern const struct nfs_rpc_ops nfs_v4_clientops; |
| 1621 | extern const struct rpc_version nfs_version2; |
| 1622 | extern const struct rpc_version nfs_version3; |
| 1623 | extern const struct rpc_version nfs_version4; |
| 1624 | |
| 1625 | extern const struct rpc_version nfsacl_version3; |
| 1626 | extern const struct rpc_program nfsacl_program; |
| 1627 | |
| 1628 | #endif |