4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2010, 2016, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 * lustre/include/lustre/lustre_user.h
34 * Lustre public user-space interface definitions.
37 #ifndef _LUSTRE_USER_H
38 #define _LUSTRE_USER_H
40 /** \defgroup lustreuser lustreuser
45 #include <linux/types.h>
48 # include <linux/fs.h>
49 # include <linux/quota.h>
50 # include <linux/string.h> /* snprintf() */
51 # include <linux/version.h>
52 #else /* !__KERNEL__ */
53 # define NEED_QUOTA_DEFS
56 # include <stdio.h> /* snprintf() */
58 # include <sys/quota.h>
59 # include <sys/stat.h>
60 #endif /* __KERNEL__ */
61 #include <lustre/ll_fiemap.h>
63 #if defined(__x86_64__) || defined(__ia64__) || defined(__ppc64__) || \
64 defined(__craynv) || defined(__mips64__) || defined(__powerpc64__) || \
66 typedef struct stat lstat_t;
67 # define lstat_f lstat
68 # define fstat_f fstat
69 # define fstatat_f fstatat
70 # define HAVE_LOV_USER_MDS_DATA
71 #elif defined(__USE_LARGEFILE64) || defined(__KERNEL__)
72 typedef struct stat64 lstat_t;
73 # define lstat_f lstat64
74 # define fstat_f fstat64
75 # define fstatat_f fstatat64
76 # define HAVE_LOV_USER_MDS_DATA
79 #define LUSTRE_EOF 0xffffffffffffffffULL
82 #define LL_SUPER_MAGIC 0x0BD00BD0
84 #ifndef FSFILT_IOC_GETFLAGS
85 #define FSFILT_IOC_GETFLAGS _IOR('f', 1, long)
86 #define FSFILT_IOC_SETFLAGS _IOW('f', 2, long)
87 #define FSFILT_IOC_GETVERSION _IOR('f', 3, long)
88 #define FSFILT_IOC_SETVERSION _IOW('f', 4, long)
89 #define FSFILT_IOC_GETVERSION_OLD _IOR('v', 1, long)
90 #define FSFILT_IOC_SETVERSION_OLD _IOW('v', 2, long)
93 /* FIEMAP flags supported by Lustre */
94 #define LUSTRE_FIEMAP_FLAGS_COMPAT (FIEMAP_FLAG_SYNC | FIEMAP_FLAG_DEVICE_ORDER)
96 enum obd_statfs_state {
97 OS_STATE_DEGRADED = 0x00000001, /**< RAID degraded/rebuilding */
98 OS_STATE_READONLY = 0x00000002, /**< filesystem is read-only */
99 OS_STATE_ENOSPC = 0x00000020, /**< not enough free space */
100 OS_STATE_ENOINO = 0x00000040, /**< not enough inodes */
114 __u32 os_state; /**< obd_statfs_state OS_STATE_* flag */
115 __u32 os_fprecreated; /* objs available now to the caller */
116 /* used in QoS code to find preferred
131 * FID is a cluster-wide unique identifier of a file or an object (stripe).
132 * FIDs are never reused.
136 * FID sequence. Sequence is a unit of migration: all files (objects)
137 * with FIDs from a given sequence are stored on the same server.
138 * Lustre should support 2^64 objects, so even if each sequence
139 * has only a single object we can still enumerate 2^64 objects.
142 /* FID number within sequence. */
145 * FID version, used to distinguish different versions (in the sense
146 * of snapshots, etc.) of the same file system object. Not currently
152 static inline bool fid_is_zero(const struct lu_fid *fid)
154 return fid->f_seq == 0 && fid->f_oid == 0;
157 /* Currently, the filter_fid::ff_parent::f_ver is not the real parent
158 * MDT-object's FID::f_ver, instead it is the OST-object index in its
159 * parent MDT-object's layout EA. */
160 #define f_stripe_idx f_ver
163 struct lu_fid ff_parent; /* ff_parent.f_ver == file stripe number */
166 /* keep this one for compatibility */
167 struct filter_fid_old {
168 struct lu_fid ff_parent;
173 /* Userspace should treat lu_fid as opaque, and only use the following methods
174 * to print or parse them. Other functions (e.g. compare, swab) could be moved
175 * here from lustre_idl.h if needed. */
176 typedef struct lu_fid lustre_fid;
179 * Following struct for object attributes, that will be kept inode's EA.
180 * Introduced in 2.0 release (please see b15993, for details)
181 * Added to all objects since Lustre 2.4 as contains self FID
183 struct lustre_mdt_attrs {
185 * Bitfield for supported data in this structure. From enum lma_compat.
186 * lma_self_fid and lma_flags are always available.
190 * Per-file incompat feature list. Lustre version should support all
191 * flags set in this field. The supported feature mask is available in
195 /** FID of this inode */
196 struct lu_fid lma_self_fid;
200 * Prior to 2.4, the LMA structure also included SOM attributes which has since
201 * been moved to a dedicated xattr
202 * lma_flags was also removed because of lma_compat/incompat fields.
204 #define LMA_OLD_SIZE (sizeof(struct lustre_mdt_attrs) + 5 * sizeof(__u64))
207 * OST object IDentifier.
215 struct lu_fid oi_fid;
219 #define DOSTID "%#llx:%llu"
220 #define POSTID(oi) ((unsigned long long)ostid_seq(oi)), \
221 ((unsigned long long)ostid_id(oi))
223 struct ll_futimes_3 {
225 __u64 lfu_atime_nsec;
227 __u64 lfu_mtime_nsec;
229 __u64 lfu_ctime_nsec;
233 * The ioctl naming rules:
234 * LL_* - works on the currently opened filehandle instead of parent dir
235 * *_OBD_* - gets data for both OSC or MDC (LOV, LMV indirectly)
236 * *_MDC_* - gets/sets data related to MDC
237 * *_LOV_* - gets/sets data related to OSC/LOV
238 * *FILE* - called on parent dir and passes in a filename
239 * *STRIPE* - set/get lov_user_md
240 * *INFO - set/get lov_user_mds_data
242 /* lustre_ioctl.h 101-150 */
243 #define LL_IOC_GETFLAGS _IOR ('f', 151, long)
244 #define LL_IOC_SETFLAGS _IOW ('f', 152, long)
245 #define LL_IOC_CLRFLAGS _IOW ('f', 153, long)
246 #define LL_IOC_LOV_SETSTRIPE _IOW ('f', 154, long)
247 #define LL_IOC_LOV_GETSTRIPE _IOW ('f', 155, long)
248 #define LL_IOC_LOV_SETEA _IOW ('f', 156, long)
249 /* LL_IOC_RECREATE_OBJ 157 obsolete */
250 /* LL_IOC_RECREATE_FID 157 obsolete */
251 #define LL_IOC_GROUP_LOCK _IOW ('f', 158, long)
252 #define LL_IOC_GROUP_UNLOCK _IOW ('f', 159, long)
253 /* LL_IOC_QUOTACHECK 160 OBD_IOC_QUOTACHECK */
254 /* LL_IOC_POLL_QUOTACHECK 161 OBD_IOC_POLL_QUOTACHECK */
255 /* LL_IOC_QUOTACTL 162 OBD_IOC_QUOTACTL */
256 #define IOC_OBD_STATFS _IOWR('f', 164, struct obd_statfs *)
257 /* IOC_LOV_GETINFO 165 obsolete */
258 #define LL_IOC_FLUSHCTX _IOW ('f', 166, long)
259 /* LL_IOC_RMTACL 167 obsolete */
260 #define LL_IOC_GETOBDCOUNT _IOR ('f', 168, long)
261 #define LL_IOC_LLOOP_ATTACH _IOWR('f', 169, long)
262 #define LL_IOC_LLOOP_DETACH _IOWR('f', 170, long)
263 #define LL_IOC_LLOOP_INFO _IOWR('f', 171, struct lu_fid)
264 #define LL_IOC_LLOOP_DETACH_BYDEV _IOWR('f', 172, long)
265 #define LL_IOC_PATH2FID _IOR ('f', 173, long)
266 #define LL_IOC_GET_CONNECT_FLAGS _IOWR('f', 174, __u64 *)
267 #define LL_IOC_GET_MDTIDX _IOR ('f', 175, int)
268 #define LL_IOC_FUTIMES_3 _IOWR('f', 176, struct ll_futimes_3)
269 /* lustre_ioctl.h 177-210 */
270 #define LL_IOC_HSM_STATE_GET _IOR('f', 211, struct hsm_user_state)
271 #define LL_IOC_HSM_STATE_SET _IOW('f', 212, struct hsm_state_set)
272 #define LL_IOC_HSM_CT_START _IOW('f', 213, struct lustre_kernelcomm)
273 #define LL_IOC_HSM_COPY_START _IOW('f', 214, struct hsm_copy *)
274 #define LL_IOC_HSM_COPY_END _IOW('f', 215, struct hsm_copy *)
275 #define LL_IOC_HSM_PROGRESS _IOW('f', 216, struct hsm_user_request)
276 #define LL_IOC_HSM_REQUEST _IOW('f', 217, struct hsm_user_request)
277 #define LL_IOC_DATA_VERSION _IOR('f', 218, struct ioc_data_version)
278 #define LL_IOC_LOV_SWAP_LAYOUTS _IOW('f', 219, \
279 struct lustre_swap_layouts)
280 #define LL_IOC_HSM_ACTION _IOR('f', 220, \
281 struct hsm_current_action)
282 /* lustre_ioctl.h 221-232 */
283 #define LL_IOC_LMV_SETSTRIPE _IOWR('f', 240, struct lmv_user_md)
284 #define LL_IOC_LMV_GETSTRIPE _IOWR('f', 241, struct lmv_user_md)
285 #define LL_IOC_REMOVE_ENTRY _IOWR('f', 242, __u64)
286 #define LL_IOC_SET_LEASE _IOWR('f', 243, long)
287 #define LL_IOC_GET_LEASE _IO('f', 244)
288 #define LL_IOC_HSM_IMPORT _IOWR('f', 245, struct hsm_user_import)
289 #define LL_IOC_LMV_SET_DEFAULT_STRIPE _IOWR('f', 246, struct lmv_user_md)
290 #define LL_IOC_MIGRATE _IOR('f', 247, int)
291 #define LL_IOC_FID2MDTIDX _IOWR('f', 248, struct lu_fid)
292 #define LL_IOC_GETPARENT _IOWR('f', 249, struct getparent)
293 #define LL_IOC_LADVISE _IOR('f', 250, struct llapi_lu_ladvise)
295 /* Lease types for use as arg and return of LL_IOC_{GET,SET}_LEASE ioctl. */
297 LL_LEASE_RDLCK = 0x1,
298 LL_LEASE_WRLCK = 0x2,
299 LL_LEASE_UNLCK = 0x4,
302 #define LL_STATFS_LMV 1
303 #define LL_STATFS_LOV 2
304 #define LL_STATFS_NODELAY 4
306 #define IOC_MDC_TYPE 'i'
307 #define IOC_MDC_LOOKUP _IOWR(IOC_MDC_TYPE, 20, struct obd_device *)
308 #define IOC_MDC_GETFILESTRIPE _IOWR(IOC_MDC_TYPE, 21, struct lov_user_md *)
309 #define IOC_MDC_GETFILEINFO _IOWR(IOC_MDC_TYPE, 22, struct lov_user_mds_data *)
310 #define LL_IOC_MDC_GETINFO _IOWR(IOC_MDC_TYPE, 23, struct lov_user_mds_data *)
312 #define MAX_OBD_NAME 128 /* If this changes, a NEW ioctl must be added */
314 /* Define O_LOV_DELAY_CREATE to be a mask that is not useful for regular
315 * files, but are unlikely to be used in practice and are not harmful if
316 * used incorrectly. O_NOCTTY and FASYNC are only meaningful for character
317 * devices and are safe for use on new files. See LU-4209. */
318 /* To be compatible with old statically linked binary we keep the check for
319 * the older 0100000000 flag. This is already removed upstream. LU-812. */
320 #define O_LOV_DELAY_CREATE_1_8 0100000000 /* FMODE_NONOTIFY masked in 2.6.36 */
321 #define O_LOV_DELAY_CREATE_MASK (O_NOCTTY | FASYNC)
322 #define O_LOV_DELAY_CREATE (O_LOV_DELAY_CREATE_1_8 | \
323 O_LOV_DELAY_CREATE_MASK)
325 #define LL_FILE_IGNORE_LOCK 0x00000001
326 #define LL_FILE_GROUP_LOCKED 0x00000002
327 #define LL_FILE_READAHEA 0x00000004
328 #define LL_FILE_LOCKED_DIRECTIO 0x00000008 /* client-side locks with dio */
329 #define LL_FILE_LOCKLESS_IO 0x00000010 /* server-side locks with cio */
331 #define LOV_USER_MAGIC_V1 0x0BD10BD0
332 #define LOV_USER_MAGIC LOV_USER_MAGIC_V1
333 #define LOV_USER_MAGIC_JOIN_V1 0x0BD20BD0
334 #define LOV_USER_MAGIC_V3 0x0BD30BD0
335 /* 0x0BD40BD0 is occupied by LOV_MAGIC_MIGRATE */
336 #define LOV_USER_MAGIC_SPECIFIC 0x0BD50BD0 /* for specific OSTs */
337 #define LOV_USER_MAGIC_COMP_V1 0x0BD60BD0
339 #define LMV_USER_MAGIC 0x0CD30CD0 /*default lmv magic*/
341 #define LOV_PATTERN_RAID0 0x001
342 #define LOV_PATTERN_RAID1 0x002
343 #define LOV_PATTERN_FIRST 0x100
344 #define LOV_PATTERN_CMOBD 0x200
346 #define LOV_PATTERN_F_MASK 0xffff0000
347 #define LOV_PATTERN_F_HOLE 0x40000000 /* there is hole in LOV EA */
348 #define LOV_PATTERN_F_RELEASED 0x80000000 /* HSM released file */
350 static inline bool lov_pattern_supported(__u32 pattern)
352 return pattern == LOV_PATTERN_RAID0 ||
353 pattern == (LOV_PATTERN_RAID0 | LOV_PATTERN_F_RELEASED);
356 #define LOV_MAXPOOLNAME 15
357 #define LOV_POOLNAMEF "%.15s"
359 #define LOV_MIN_STRIPE_BITS 16 /* maximum PAGE_SIZE (ia64), power of 2 */
360 #define LOV_MIN_STRIPE_SIZE (1 << LOV_MIN_STRIPE_BITS)
361 #define LOV_MAX_STRIPE_COUNT_OLD 160
362 /* This calculation is crafted so that input of 4096 will result in 160
363 * which in turn is equal to old maximal stripe count.
364 * XXX: In fact this is too simpified for now, what it also need is to get
365 * ea_type argument to clearly know how much space each stripe consumes.
367 * The limit of 12 pages is somewhat arbitrary, but is a reasonably large
368 * allocation that is sufficient for the current generation of systems.
370 * (max buffer size - lov+rpc header) / sizeof(struct lov_ost_data_v1) */
371 #define LOV_MAX_STRIPE_COUNT 2000 /* ((12 * 4096 - 256) / 24) */
372 #define LOV_ALL_STRIPES 0xffff /* only valid for directories */
373 #define LOV_V1_INSANE_STRIPE_COUNT 65532 /* maximum stripe count bz13933 */
375 #define XATTR_LUSTRE_PREFIX "lustre."
376 #define XATTR_LUSTRE_LOV XATTR_LUSTRE_PREFIX"lov"
378 #define lov_user_ost_data lov_user_ost_data_v1
379 struct lov_user_ost_data_v1 { /* per-stripe data structure */
380 struct ost_id l_ost_oi; /* OST object ID */
381 __u32 l_ost_gen; /* generation of this OST index */
382 __u32 l_ost_idx; /* OST index in LOV */
383 } __attribute__((packed));
385 #define lov_user_md lov_user_md_v1
386 struct lov_user_md_v1 { /* LOV EA user data (host-endian) */
387 __u32 lmm_magic; /* magic number = LOV_USER_MAGIC_V1 */
388 __u32 lmm_pattern; /* LOV_PATTERN_RAID0, LOV_PATTERN_RAID1 */
389 struct ost_id lmm_oi; /* MDT parent inode id/seq (id/0 for 1.x) */
390 __u32 lmm_stripe_size; /* size of stripe in bytes */
391 __u16 lmm_stripe_count; /* num stripes in use for this object */
393 __u16 lmm_stripe_offset; /* starting stripe offset in
394 * lmm_objects, use when writing */
395 __u16 lmm_layout_gen; /* layout generation number
396 * used when reading */
398 struct lov_user_ost_data_v1 lmm_objects[0]; /* per-stripe data */
399 } __attribute__((packed, __may_alias__));
401 struct lov_user_md_v3 { /* LOV EA user data (host-endian) */
402 __u32 lmm_magic; /* magic number = LOV_USER_MAGIC_V3 */
403 __u32 lmm_pattern; /* LOV_PATTERN_RAID0, LOV_PATTERN_RAID1 */
404 struct ost_id lmm_oi; /* MDT parent inode id/seq (id/0 for 1.x) */
405 __u32 lmm_stripe_size; /* size of stripe in bytes */
406 __u16 lmm_stripe_count; /* num stripes in use for this object */
408 __u16 lmm_stripe_offset; /* starting stripe offset in
409 * lmm_objects, use when writing */
410 __u16 lmm_layout_gen; /* layout generation number
411 * used when reading */
413 char lmm_pool_name[LOV_MAXPOOLNAME + 1]; /* pool name */
414 struct lov_user_ost_data_v1 lmm_objects[0]; /* per-stripe data */
415 } __attribute__((packed));
422 enum lov_comp_md_entry_flags {
423 LCME_FL_PRIMARY = 0x00000001, /* Not used */
424 LCME_FL_STALE = 0x00000002, /* Not used */
425 LCME_FL_OFFLINE = 0x00000004, /* Not used */
426 LCME_FL_PREFERRED = 0x00000008, /* Not used */
427 LCME_FL_INIT = 0x00000010, /* instantiated */
430 #define LCME_KNOWN_FLAGS LCME_FL_INIT
432 /* lcme_id can be specified as certain flags, and the the first
433 * bit of lcme_id is used to indicate that the ID is representing
434 * certain LCME_FL_* but not a real ID. Which implies we can have
435 * at most 31 flags (see LCME_FL_XXX). */
438 LCME_ID_MAX = 0x7FFFFFFF,
439 LCME_ID_ALL = 0xFFFFFFFF,
440 LCME_ID_NONE = 0x80000000
443 #define LCME_ID_MASK LCME_ID_MAX
445 struct lov_comp_md_entry_v1 {
446 __u32 lcme_id; /* unique id of component */
447 __u32 lcme_flags; /* LCME_FL_XXX */
448 struct lu_extent lcme_extent; /* file extent for component */
449 __u32 lcme_offset; /* offset of component blob,
450 start from lov_comp_md_v1 */
451 __u32 lcme_size; /* size of component blob */
452 __u64 lcme_padding[2];
453 } __attribute__((packed));
455 enum lov_comp_md_flags;
457 struct lov_comp_md_v1 {
458 __u32 lcm_magic; /* LOV_USER_MAGIC_COMP_V1 */
459 __u32 lcm_size; /* overall size including this struct */
460 __u32 lcm_layout_gen;
462 __u16 lcm_entry_count;
465 struct lov_comp_md_entry_v1 lcm_entries[0];
466 } __attribute__((packed));
469 static inline __u32 lov_user_md_size(__u16 stripes, __u32 lmm_magic)
471 if (lmm_magic == LOV_USER_MAGIC_V1)
472 return sizeof(struct lov_user_md_v1) +
473 stripes * sizeof(struct lov_user_ost_data_v1);
474 return sizeof(struct lov_user_md_v3) +
475 stripes * sizeof(struct lov_user_ost_data_v1);
478 /* Compile with -D_LARGEFILE64_SOURCE or -D_GNU_SOURCE (or #define) to
479 * use this. It is unsafe to #define those values in this header as it
480 * is possible the application has already #included <sys/stat.h>. */
481 #ifdef HAVE_LOV_USER_MDS_DATA
482 #define lov_user_mds_data lov_user_mds_data_v1
483 struct lov_user_mds_data_v1 {
484 lstat_t lmd_st; /* MDS stat struct */
485 struct lov_user_md_v1 lmd_lmm; /* LOV EA V1 user data */
486 } __attribute__((packed));
488 struct lov_user_mds_data_v3 {
489 lstat_t lmd_st; /* MDS stat struct */
490 struct lov_user_md_v3 lmd_lmm; /* LOV EA V3 user data */
491 } __attribute__((packed));
494 struct lmv_user_mds_data {
495 struct lu_fid lum_fid;
501 LMV_HASH_TYPE_UNKNOWN = 0, /* 0 is reserved for testing purpose */
502 LMV_HASH_TYPE_ALL_CHARS = 1,
503 LMV_HASH_TYPE_FNV_1A_64 = 2,
507 #define LMV_HASH_NAME_ALL_CHARS "all_char"
508 #define LMV_HASH_NAME_FNV_1A_64 "fnv_1a_64"
510 extern char *mdt_hash_name[LMV_HASH_TYPE_MAX];
512 /* Got this according to how get LOV_MAX_STRIPE_COUNT, see above,
513 * (max buffer size - lmv+rpc header) / sizeof(struct lmv_user_mds_data) */
514 #define LMV_MAX_STRIPE_COUNT 2000 /* ((12 * 4096 - 256) / 24) */
515 #define lmv_user_md lmv_user_md_v1
516 struct lmv_user_md_v1 {
517 __u32 lum_magic; /* must be the first field */
518 __u32 lum_stripe_count; /* dirstripe count */
519 __u32 lum_stripe_offset; /* MDT idx for default dirstripe */
520 __u32 lum_hash_type; /* Dir stripe policy */
521 __u32 lum_type; /* LMV type: default or normal */
525 char lum_pool_name[LOV_MAXPOOLNAME + 1];
526 struct lmv_user_mds_data lum_objects[0];
527 } __attribute__((packed));
529 static inline int lmv_user_md_size(int stripes, int lmm_magic)
531 return sizeof(struct lmv_user_md) +
532 stripes * sizeof(struct lmv_user_mds_data);
535 struct ll_recreate_obj {
541 __u64 id; /* holds object id */
542 __u32 generation; /* holds object generation */
543 __u32 f_type; /* holds object type or stripe idx when passing it to
544 * OST for saving into EA. */
552 static inline bool obd_uuid_equals(const struct obd_uuid *u1,
553 const struct obd_uuid *u2)
555 return strcmp((char *)u1->uuid, (char *)u2->uuid) == 0;
558 static inline int obd_uuid_empty(struct obd_uuid *uuid)
560 return uuid->uuid[0] == '\0';
563 static inline void obd_str2uuid(struct obd_uuid *uuid, const char *tmp)
565 strncpy((char *)uuid->uuid, tmp, sizeof(*uuid));
566 uuid->uuid[sizeof(*uuid) - 1] = '\0';
569 /* For printf's only, make sure uuid is terminated */
570 static inline char *obd_uuid2str(const struct obd_uuid *uuid)
575 if (uuid->uuid[sizeof(*uuid) - 1] != '\0') {
576 /* Obviously not safe, but for printfs, no real harm done...
577 we're always null-terminated, even in a race. */
578 static char temp[sizeof(*uuid)];
579 memcpy(temp, uuid->uuid, sizeof(*uuid) - 1);
580 temp[sizeof(*uuid) - 1] = '\0';
583 return (char *)(uuid->uuid);
586 /* Extract fsname from uuid (or target name) of a target
587 e.g. (myfs-OST0007_UUID -> myfs)
588 see also deuuidify. */
589 static inline void obd_uuid2fsname(char *buf, char *uuid, int buflen)
593 strncpy(buf, uuid, buflen - 1);
594 buf[buflen - 1] = '\0';
595 p = strrchr(buf, '-');
600 /* printf display format for Lustre FIDs
601 * usage: printf("file FID is "DFID"\n", PFID(fid)); */
602 #define FID_NOBRACE_LEN 40
603 #define FID_LEN (FID_NOBRACE_LEN + 2)
604 #define DFID_NOBRACE "%#llx:0x%x:0x%x"
605 #define DFID "["DFID_NOBRACE"]"
606 #define PFID(fid) (unsigned long long)(fid)->f_seq, (fid)->f_oid, (fid)->f_ver
608 /* scanf input parse format for fids in DFID_NOBRACE format
609 * Need to strip '[' from DFID format first or use "["SFID"]" at caller.
610 * usage: sscanf(fidstr, SFID, RFID(&fid)); */
611 #define SFID "0x%llx:0x%x:0x%x"
612 #define RFID(fid) &((fid)->f_seq), &((fid)->f_oid), &((fid)->f_ver)
614 /********* Quotas **********/
616 #define LUSTRE_QUOTABLOCK_BITS 10
617 #define LUSTRE_QUOTABLOCK_SIZE (1 << LUSTRE_QUOTABLOCK_BITS)
619 static inline __u64 lustre_stoqb(size_t space)
621 return (space + LUSTRE_QUOTABLOCK_SIZE - 1) >> LUSTRE_QUOTABLOCK_BITS;
624 #define Q_QUOTACHECK 0x800100 /* deprecated as of 2.4 */
625 #define Q_INITQUOTA 0x800101 /* deprecated as of 2.4 */
626 #define Q_GETOINFO 0x800102 /* get obd quota info */
627 #define Q_GETOQUOTA 0x800103 /* get obd quotas */
628 #define Q_FINVALIDATE 0x800104 /* deprecated as of 2.4 */
630 /* these must be explicitly translated into linux Q_* in ll_dir_ioctl */
631 #define LUSTRE_Q_QUOTAON 0x800002 /* deprecated as of 2.4 */
632 #define LUSTRE_Q_QUOTAOFF 0x800003 /* deprecated as of 2.4 */
633 #define LUSTRE_Q_GETINFO 0x800005 /* get information about quota files */
634 #define LUSTRE_Q_SETINFO 0x800006 /* set information about quota files */
635 #define LUSTRE_Q_GETQUOTA 0x800007 /* get user quota structure */
636 #define LUSTRE_Q_SETQUOTA 0x800008 /* set user quota structure */
637 /* lustre-specific control commands */
638 #define LUSTRE_Q_INVALIDATE 0x80000b /* deprecated as of 2.4 */
639 #define LUSTRE_Q_FINVALIDATE 0x80000c /* deprecated as of 2.4 */
641 #define UGQUOTA 2 /* set both USRQUOTA and GRPQUOTA */
643 #define IDENTITY_DOWNCALL_MAGIC 0x6d6dd629
646 #define N_PERMS_MAX 64
648 struct perm_downcall_data {
654 struct identity_downcall_data {
661 struct perm_downcall_data idd_perms[N_PERMS_MAX];
665 #ifdef NEED_QUOTA_DEFS
667 #define QIF_BLIMITS 1
669 #define QIF_ILIMITS 4
673 #define QIF_LIMITS (QIF_BLIMITS | QIF_ILIMITS)
674 #define QIF_USAGE (QIF_SPACE | QIF_INODES)
675 #define QIF_TIMES (QIF_BTIME | QIF_ITIME)
676 #define QIF_ALL (QIF_LIMITS | QIF_USAGE | QIF_TIMES)
679 #endif /* !__KERNEL__ */
681 /* lustre volatile file support
682 * file name header: .^L^S^T^R:volatile"
684 #define LUSTRE_VOLATILE_HDR ".\x0c\x13\x14\x12:VOLATILE"
685 #define LUSTRE_VOLATILE_HDR_LEN 14
687 typedef enum lustre_quota_version {
689 } lustre_quota_version_t;
691 /* XXX: same as if_dqinfo struct in kernel */
699 /* XXX: same as if_dqblk struct in kernel, plus one padding */
701 __u64 dqb_bhardlimit;
702 __u64 dqb_bsoftlimit;
704 __u64 dqb_ihardlimit;
705 __u64 dqb_isoftlimit;
727 struct obd_dqinfo qc_dqinfo;
728 struct obd_dqblk qc_dqblk;
730 struct obd_uuid obd_uuid;
733 /* swap layout flags */
734 #define SWAP_LAYOUTS_CHECK_DV1 (1 << 0)
735 #define SWAP_LAYOUTS_CHECK_DV2 (1 << 1)
736 #define SWAP_LAYOUTS_KEEP_MTIME (1 << 2)
737 #define SWAP_LAYOUTS_KEEP_ATIME (1 << 3)
738 #define SWAP_LAYOUTS_CLOSE (1 << 4)
740 /* Swap XATTR_NAME_HSM as well, only on the MDT so far */
741 #define SWAP_LAYOUTS_MDS_HSM (1 << 31)
742 struct lustre_swap_layouts {
751 /********* Changelogs **********/
752 /** Changelog record types */
753 enum changelog_rec_type {
755 CL_CREATE = 1, /* namespace */
756 CL_MKDIR = 2, /* namespace */
757 CL_HARDLINK = 3, /* namespace */
758 CL_SOFTLINK = 4, /* namespace */
759 CL_MKNOD = 5, /* namespace */
760 CL_UNLINK = 6, /* namespace */
761 CL_RMDIR = 7, /* namespace */
762 CL_RENAME = 8, /* namespace */
763 CL_EXT = 9, /* namespace extended record (2nd half of rename) */
764 CL_OPEN = 10, /* not currently used */
765 CL_CLOSE = 11, /* may be written to log only with mtime change */
766 CL_LAYOUT = 12, /* file layout/striping modified */
770 CL_HSM = 16, /* HSM specific events, see flags */
771 CL_MTIME = 17, /* Precedence: setattr > mtime > ctime > atime */
778 static inline const char *changelog_type2str(int type) {
779 static const char *changelog_str[] = {
780 "MARK", "CREAT", "MKDIR", "HLINK", "SLINK", "MKNOD", "UNLNK",
781 "RMDIR", "RENME", "RNMTO", "OPEN", "CLOSE", "LYOUT", "TRUNC",
782 "SATTR", "XATTR", "HSM", "MTIME", "CTIME", "ATIME", "MIGRT"
785 if (type >= 0 && type < CL_LAST)
786 return changelog_str[type];
790 /* per-record flags */
791 #define CLF_FLAGSHIFT 12
792 #define CLF_FLAGMASK ((1U << CLF_FLAGSHIFT) - 1)
793 #define CLF_VERMASK (~CLF_FLAGMASK)
794 enum changelog_rec_flags {
795 CLF_VERSION = 0x1000,
798 CLF_SUPPORTED = CLF_VERSION | CLF_RENAME | CLF_JOBID
802 /* Anything under the flagmask may be per-type (if desired) */
803 /* Flags for unlink */
804 #define CLF_UNLINK_LAST 0x0001 /* Unlink of last hardlink */
805 #define CLF_UNLINK_HSM_EXISTS 0x0002 /* File has something in HSM */
806 /* HSM cleaning needed */
807 /* Flags for rename */
808 #define CLF_RENAME_LAST 0x0001 /* rename unlink last hardlink
810 #define CLF_RENAME_LAST_EXISTS 0x0002 /* rename unlink last hardlink of target
811 * has an archive in backend */
814 /* 12b used (from high weight to low weight):
819 #define CLF_HSM_ERR_L 0 /* HSM return code, 7 bits */
820 #define CLF_HSM_ERR_H 6
821 #define CLF_HSM_EVENT_L 7 /* HSM event, 3 bits, see enum hsm_event */
822 #define CLF_HSM_EVENT_H 9
823 #define CLF_HSM_FLAG_L 10 /* HSM flags, 2 bits, 1 used, 1 spare */
824 #define CLF_HSM_FLAG_H 11
825 #define CLF_HSM_SPARE_L 12 /* 4 spare bits */
826 #define CLF_HSM_SPARE_H 15
827 #define CLF_HSM_LAST 15
829 /* Remove bits higher than _h, then extract the value
830 * between _h and _l by shifting lower weigth to bit 0. */
831 #define CLF_GET_BITS(_b, _h, _l) (((_b << (CLF_HSM_LAST - _h)) & 0xFFFF) \
832 >> (CLF_HSM_LAST - _h + _l))
834 #define CLF_HSM_SUCCESS 0x00
835 #define CLF_HSM_MAXERROR 0x7E
836 #define CLF_HSM_ERROVERFLOW 0x7F
838 #define CLF_HSM_DIRTY 1 /* file is dirty after HSM request end */
840 /* 3 bits field => 8 values allowed */
852 static inline enum hsm_event hsm_get_cl_event(__u16 flags)
854 return (enum hsm_event)CLF_GET_BITS(flags, CLF_HSM_EVENT_H,
858 static inline void hsm_set_cl_event(int *flags, enum hsm_event he)
860 *flags |= (he << CLF_HSM_EVENT_L);
863 static inline __u16 hsm_get_cl_flags(int flags)
865 return CLF_GET_BITS(flags, CLF_HSM_FLAG_H, CLF_HSM_FLAG_L);
868 static inline void hsm_set_cl_flags(int *flags, int bits)
870 *flags |= (bits << CLF_HSM_FLAG_L);
873 static inline int hsm_get_cl_error(int flags)
875 return CLF_GET_BITS(flags, CLF_HSM_ERR_H, CLF_HSM_ERR_L);
878 static inline void hsm_set_cl_error(int *flags, int error)
880 *flags |= (error << CLF_HSM_ERR_L);
883 enum changelog_send_flag {
884 /* Not yet implemented */
885 CHANGELOG_FLAG_FOLLOW = 0x01,
886 /* Blocking IO makes sense in case of slow user parsing of the records,
887 * but it also prevents us from cleaning up if the records are not
889 CHANGELOG_FLAG_BLOCK = 0x02,
890 /* Pack jobid into the changelog records if available. */
891 CHANGELOG_FLAG_JOBID = 0x04,
894 #define CR_MAXSIZE cfs_size_round(2 * NAME_MAX + 2 + \
895 changelog_rec_offset(CLF_SUPPORTED))
897 /* 31 usable bytes string + null terminator. */
898 #define LUSTRE_JOBID_SIZE 32
900 /* This is the minimal changelog record. It can contain extensions
901 * such as rename fields or process jobid. Its exact content is described
904 * Extensions are packed in the same order as their corresponding flags.
906 struct changelog_rec {
908 __u16 cr_flags; /**< \a changelog_rec_flags */
909 __u32 cr_type; /**< \a changelog_rec_type */
910 __u64 cr_index; /**< changelog record number */
911 __u64 cr_prev; /**< last index for this target fid */
914 lustre_fid cr_tfid; /**< target fid */
915 __u32 cr_markerflags; /**< CL_MARK flags */
917 lustre_fid cr_pfid; /**< parent fid */
920 /* Changelog extension for RENAME. */
921 struct changelog_ext_rename {
922 lustre_fid cr_sfid; /**< source fid, or zero */
923 lustre_fid cr_spfid; /**< source parent fid, or zero */
926 /* Changelog extension to include JOBID. */
927 struct changelog_ext_jobid {
928 char cr_jobid[LUSTRE_JOBID_SIZE]; /**< zero-terminated string. */
932 static inline size_t changelog_rec_offset(enum changelog_rec_flags crf)
934 size_t size = sizeof(struct changelog_rec);
936 if (crf & CLF_RENAME)
937 size += sizeof(struct changelog_ext_rename);
940 size += sizeof(struct changelog_ext_jobid);
945 static inline size_t changelog_rec_size(const struct changelog_rec *rec)
947 return changelog_rec_offset(rec->cr_flags);
950 static inline size_t changelog_rec_varsize(const struct changelog_rec *rec)
952 return changelog_rec_size(rec) - sizeof(*rec) + rec->cr_namelen;
956 struct changelog_ext_rename *changelog_rec_rename(const struct changelog_rec *rec)
958 enum changelog_rec_flags crf = rec->cr_flags & CLF_VERSION;
960 return (struct changelog_ext_rename *)((char *)rec +
961 changelog_rec_offset(crf));
964 /* The jobid follows the rename extension, if present */
966 struct changelog_ext_jobid *changelog_rec_jobid(const struct changelog_rec *rec)
968 enum changelog_rec_flags crf = rec->cr_flags &
969 (CLF_VERSION | CLF_RENAME);
971 return (struct changelog_ext_jobid *)((char *)rec +
972 changelog_rec_offset(crf));
975 /* The name follows the rename and jobid extensions, if present */
976 static inline char *changelog_rec_name(const struct changelog_rec *rec)
978 return (char *)rec + changelog_rec_offset(rec->cr_flags &
982 static inline size_t changelog_rec_snamelen(const struct changelog_rec *rec)
984 return rec->cr_namelen - strlen(changelog_rec_name(rec)) - 1;
987 static inline char *changelog_rec_sname(const struct changelog_rec *rec)
989 char *cr_name = changelog_rec_name(rec);
991 return cr_name + strlen(cr_name) + 1;
995 * Remap a record to the desired format as specified by the crf flags.
996 * The record must be big enough to contain the final remapped version.
997 * Superfluous extension fields are removed and missing ones are added
998 * and zeroed. The flags of the record are updated accordingly.
1000 * The jobid and rename extensions can be added to a record, to match the
1001 * format an application expects, typically. In this case, the newly added
1002 * fields will be zeroed.
1003 * The Jobid field can be removed, to guarantee compatibility with older
1004 * clients that don't expect this field in the records they process.
1006 * The following assumptions are being made:
1007 * - CLF_RENAME will not be removed
1008 * - CLF_JOBID will not be added without CLF_RENAME being added too
1010 * @param[in,out] rec The record to remap.
1011 * @param[in] crf_wanted Flags describing the desired extensions.
1013 static inline void changelog_remap_rec(struct changelog_rec *rec,
1014 enum changelog_rec_flags crf_wanted)
1019 crf_wanted &= CLF_SUPPORTED;
1021 if ((rec->cr_flags & CLF_SUPPORTED) == crf_wanted)
1024 /* First move the variable-length name field */
1025 memmove((char *)rec + changelog_rec_offset(crf_wanted),
1026 changelog_rec_name(rec), rec->cr_namelen);
1028 /* Locations of jobid and rename extensions in the remapped record */
1029 jid_mov = (char *)rec +
1030 changelog_rec_offset(crf_wanted & ~CLF_JOBID);
1031 rnm_mov = (char *)rec +
1032 changelog_rec_offset(crf_wanted & ~(CLF_JOBID | CLF_RENAME));
1034 /* Move the extension fields to the desired positions */
1035 if ((crf_wanted & CLF_JOBID) && (rec->cr_flags & CLF_JOBID))
1036 memmove(jid_mov, changelog_rec_jobid(rec),
1037 sizeof(struct changelog_ext_jobid));
1039 if ((crf_wanted & CLF_RENAME) && (rec->cr_flags & CLF_RENAME))
1040 memmove(rnm_mov, changelog_rec_rename(rec),
1041 sizeof(struct changelog_ext_rename));
1043 /* Clear newly added fields */
1044 if ((crf_wanted & CLF_JOBID) && !(rec->cr_flags & CLF_JOBID))
1045 memset(jid_mov, 0, sizeof(struct changelog_ext_jobid));
1047 if ((crf_wanted & CLF_RENAME) && !(rec->cr_flags & CLF_RENAME))
1048 memset(rnm_mov, 0, sizeof(struct changelog_ext_rename));
1050 /* Update the record's flags accordingly */
1051 rec->cr_flags = (rec->cr_flags & CLF_FLAGMASK) | crf_wanted;
1054 struct ioc_changelog {
1061 enum changelog_message_type {
1062 CL_RECORD = 10, /* message is a changelog_rec */
1063 CL_EOF = 11, /* at end of current changelog */
1066 /********* Misc **********/
1068 struct ioc_data_version {
1070 __u64 idv_flags; /* See LL_DV_xxx */
1072 #define LL_DV_RD_FLUSH (1 << 0) /* Flush dirty pages from clients */
1073 #define LL_DV_WR_FLUSH (1 << 1) /* Flush all caching pages from clients */
1076 #define offsetof(typ, memb) ((unsigned long)((char *)&(((typ *)0)->memb)))
1079 #define dot_lustre_name ".lustre"
1082 /********* HSM **********/
1084 /** HSM per-file state
1085 * See HSM_FLAGS below.
1088 HS_NONE = 0x00000000,
1089 HS_EXISTS = 0x00000001,
1090 HS_DIRTY = 0x00000002,
1091 HS_RELEASED = 0x00000004,
1092 HS_ARCHIVED = 0x00000008,
1093 HS_NORELEASE = 0x00000010,
1094 HS_NOARCHIVE = 0x00000020,
1095 HS_LOST = 0x00000040,
1098 /* HSM user-setable flags. */
1099 #define HSM_USER_MASK (HS_NORELEASE | HS_NOARCHIVE | HS_DIRTY)
1101 /* Other HSM flags. */
1102 #define HSM_STATUS_MASK (HS_EXISTS | HS_LOST | HS_RELEASED | HS_ARCHIVED)
1105 * All HSM-related possible flags that could be applied to a file.
1106 * This should be kept in sync with hsm_states.
1108 #define HSM_FLAGS_MASK (HSM_USER_MASK | HSM_STATUS_MASK)
1111 * HSMÂ request progress state
1113 enum hsm_progress_states {
1120 static inline const char *hsm_progress_state2name(enum hsm_progress_states s)
1123 case HPS_WAITING: return "waiting";
1124 case HPS_RUNNING: return "running";
1125 case HPS_DONE: return "done";
1126 default: return "unknown";
1133 } __attribute__((packed));
1136 * Current HSM states of a Lustre file.
1138 * This structure purpose is to be sent to user-space mainly. It describes the
1139 * current HSM flags and in-progress action.
1141 struct hsm_user_state {
1142 /** Current HSM states, from enum hsm_states. */
1144 __u32 hus_archive_id;
1145 /** The current undergoing action, if there is one */
1146 __u32 hus_in_progress_state;
1147 __u32 hus_in_progress_action;
1148 struct hsm_extent hus_in_progress_location;
1149 char hus_extended_info[];
1152 struct hsm_state_set_ioc {
1153 struct lu_fid hssi_fid;
1155 __u64 hssi_clearmask;
1159 * This structure describes the current in-progress action for a file.
1160 * it is retuned to user space and send over the wire
1162 struct hsm_current_action {
1163 /** The current undergoing action, if there is one */
1164 /* state is one of hsm_progress_states */
1166 /* action is one of hsm_user_action */
1168 struct hsm_extent hca_location;
1171 /***** HSM user requests ******/
1172 /* User-generated (lfs/ioctl) request types */
1173 enum hsm_user_action {
1174 HUA_NONE = 1, /* no action (noop) */
1175 HUA_ARCHIVE = 10, /* copy to hsm */
1176 HUA_RESTORE = 11, /* prestage */
1177 HUA_RELEASE = 12, /* drop ost objects */
1178 HUA_REMOVE = 13, /* remove from archive */
1179 HUA_CANCEL = 14 /* cancel a request */
1182 static inline const char *hsm_user_action2name(enum hsm_user_action a)
1185 case HUA_NONE: return "NOOP";
1186 case HUA_ARCHIVE: return "ARCHIVE";
1187 case HUA_RESTORE: return "RESTORE";
1188 case HUA_RELEASE: return "RELEASE";
1189 case HUA_REMOVE: return "REMOVE";
1190 case HUA_CANCEL: return "CANCEL";
1191 default: return "UNKNOWN";
1196 * List of hr_flags (bit field)
1198 #define HSM_FORCE_ACTION 0x0001
1199 /* used by CT, cannot be set by user */
1200 #define HSM_GHOST_COPY 0x0002
1203 * Contains all the fixed part of struct hsm_user_request.
1206 struct hsm_request {
1207 __u32 hr_action; /* enum hsm_user_action */
1208 __u32 hr_archive_id; /* archive id, used only with HUA_ARCHIVE */
1209 __u64 hr_flags; /* request flags */
1210 __u32 hr_itemcount; /* item count in hur_user_item vector */
1214 struct hsm_user_item {
1216 struct hsm_extent hui_extent;
1217 } __attribute__((packed));
1219 struct hsm_user_request {
1220 struct hsm_request hur_request;
1221 struct hsm_user_item hur_user_item[0];
1222 /* extra data blob at end of struct (after all
1223 * hur_user_items), only use helpers to access it
1225 } __attribute__((packed));
1227 /** Return pointer to data field in a hsm user request */
1228 static inline void *hur_data(struct hsm_user_request *hur)
1230 return &(hur->hur_user_item[hur->hur_request.hr_itemcount]);
1234 * Compute the current length of the provided hsm_user_request. This returns -1
1235 * instead of an errno because ssize_t is defined to be only [ -1, SSIZE_MAX ]
1237 * return -1 on bounds check error.
1239 static inline ssize_t hur_len(struct hsm_user_request *hur)
1243 /* can't overflow a __u64 since hr_itemcount is only __u32 */
1244 size = offsetof(struct hsm_user_request, hur_user_item[0]) +
1245 (__u64)hur->hur_request.hr_itemcount *
1246 sizeof(hur->hur_user_item[0]) + hur->hur_request.hr_data_len;
1248 if (size != (ssize_t)size)
1254 /****** HSM RPCs to copytool *****/
1255 /* Message types the copytool may receive */
1256 enum hsm_message_type {
1257 HMT_ACTION_LIST = 100, /* message is a hsm_action_list */
1260 /* Actions the copytool may be instructed to take for a given action_item */
1261 enum hsm_copytool_action {
1262 HSMA_NONE = 10, /* no action */
1263 HSMA_ARCHIVE = 20, /* arbitrary offset */
1269 static inline const char *hsm_copytool_action2name(enum hsm_copytool_action a)
1272 case HSMA_NONE: return "NOOP";
1273 case HSMA_ARCHIVE: return "ARCHIVE";
1274 case HSMA_RESTORE: return "RESTORE";
1275 case HSMA_REMOVE: return "REMOVE";
1276 case HSMA_CANCEL: return "CANCEL";
1277 default: return "UNKNOWN";
1281 /* Copytool item action description */
1282 struct hsm_action_item {
1283 __u32 hai_len; /* valid size of this struct */
1284 __u32 hai_action; /* hsm_copytool_action, but use known size */
1285 lustre_fid hai_fid; /* Lustre FID to operate on */
1286 lustre_fid hai_dfid; /* fid used for data access */
1287 struct hsm_extent hai_extent; /* byte range to operate on */
1288 __u64 hai_cookie; /* action cookie from coordinator */
1289 __u64 hai_gid; /* grouplock id */
1290 char hai_data[0]; /* variable length */
1291 } __attribute__((packed));
1294 * helper function which print in hexa the first bytes of
1297 * \param hai [IN] record to print
1298 * \param buffer [IN,OUT] buffer to write the hex string to
1299 * \param len [IN] max buffer length
1303 static inline char *hai_dump_data_field(const struct hsm_action_item *hai,
1304 char *buffer, size_t len)
1311 data_len = hai->hai_len - sizeof(*hai);
1312 for (i = 0; (i < data_len) && (len > 2); i++) {
1313 snprintf(ptr, 3, "%02X", (unsigned char)hai->hai_data[i]);
1323 /* Copytool action list */
1324 #define HAL_VERSION 1
1325 #define HAL_MAXSIZE LNET_MTU /* bytes, used in userspace only */
1326 struct hsm_action_list {
1328 __u32 hal_count; /* number of hai's to follow */
1329 __u64 hal_compound_id; /* returned by coordinator */
1331 __u32 hal_archive_id; /* which archive backend */
1333 char hal_fsname[0]; /* null-terminated */
1334 /* struct hsm_action_item[hal_count] follows, aligned on 8-byte
1335 boundaries. See hai_zero */
1336 } __attribute__((packed));
1338 #ifndef HAVE_CFS_SIZE_ROUND
1339 static inline int cfs_size_round (int val)
1341 return (val + 7) & (~0x7);
1343 #define HAVE_CFS_SIZE_ROUND
1346 /* Return pointer to first hai in action list */
1347 static inline struct hsm_action_item *hai_first(struct hsm_action_list *hal)
1349 return (struct hsm_action_item *)(hal->hal_fsname +
1350 cfs_size_round(strlen(hal-> \
1354 /* Return pointer to next hai */
1355 static inline struct hsm_action_item * hai_next(struct hsm_action_item *hai)
1357 return (struct hsm_action_item *)((char *)hai +
1358 cfs_size_round(hai->hai_len));
1361 /* Return size of an hsm_action_list */
1362 static inline size_t hal_size(struct hsm_action_list *hal)
1366 struct hsm_action_item *hai;
1368 sz = sizeof(*hal) + cfs_size_round(strlen(hal->hal_fsname) + 1);
1369 hai = hai_first(hal);
1370 for (i = 0; i < hal->hal_count ; i++, hai = hai_next(hai))
1371 sz += cfs_size_round(hai->hai_len);
1377 * describe the attributes to be set on imported file
1379 struct hsm_user_import {
1388 __u32 hui_archive_id;
1391 /* Copytool progress reporting */
1392 #define HP_FLAG_COMPLETED 0x01
1393 #define HP_FLAG_RETRY 0x02
1395 struct hsm_progress {
1398 struct hsm_extent hp_extent;
1400 __u16 hp_errval; /* positive val */
1405 __u64 hc_data_version;
1407 __u16 hc_errval; /* positive val */
1409 struct hsm_action_item hc_hai;
1413 enum llapi_json_types {
1414 LLAPI_JSON_INTEGER = 1,
1420 struct llapi_json_item {
1429 struct llapi_json_item *lji_next;
1432 struct llapi_json_item_list {
1433 int ljil_item_count;
1434 struct llapi_json_item *ljil_items;
1437 enum lu_ladvise_type {
1438 LU_LADVISE_INVALID = 0,
1439 LU_LADVISE_WILLREAD = 1,
1440 LU_LADVISE_DONTNEED = 2,
1443 #define LU_LADVISE_NAMES { \
1444 [LU_LADVISE_WILLREAD] = "willread", \
1445 [LU_LADVISE_DONTNEED] = "dontneed", \
1448 /* This is the userspace argument for ladvise. It is currently the same as
1449 * what goes on the wire (struct lu_ladvise), but is defined separately as we
1450 * may need info which is only used locally. */
1451 struct llapi_lu_ladvise {
1452 __u16 lla_advice; /* advice type */
1453 __u16 lla_value1; /* values for different advice types */
1455 __u64 lla_start; /* first byte of extent for advice */
1456 __u64 lla_end; /* last byte of extent for advice */
1462 LF_ASYNC = 0x00000001,
1465 #define LADVISE_MAGIC 0x1ADF1CE0
1466 #define LF_MASK LF_ASYNC
1468 /* This is the userspace argument for ladvise, corresponds to ladvise_hdr which
1469 * is used on the wire. It is defined separately as we may need info which is
1470 * only used locally. */
1471 struct llapi_ladvise_hdr {
1472 __u32 lah_magic; /* LADVISE_MAGIC */
1473 __u32 lah_count; /* number of advices */
1474 __u64 lah_flags; /* from enum ladvise_flag */
1475 __u32 lah_value1; /* unused */
1476 __u32 lah_value2; /* unused */
1477 __u64 lah_value3; /* unused */
1478 struct llapi_lu_ladvise lah_advise[0]; /* advices in this header */
1481 #define LAH_COUNT_MAX (1024)
1485 SK_CRYPT_INVALID = -1,
1487 SK_CRYPT_AES256_CTR = 1,
1491 struct sk_crypt_type {
1493 unsigned int cht_key;
1494 unsigned int cht_bytes;
1497 /** @} lustreuser */
1498 #endif /* _LUSTRE_USER_H */