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.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2013, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
40 /** \defgroup llapi llapi
45 #include <lustre/lustre_user.h>
47 typedef void (*llapi_cb_t)(char *obd_type_name, char *obd_name, char *obd_uuid, void *args);
49 /* lustreapi message severity level */
50 enum llapi_message_level {
61 /* the bottom three bits reserved for llapi_message_level */
62 #define LLAPI_MSG_MASK 0x00000007
63 #define LLAPI_MSG_NO_ERRNO 0x00000010
65 extern void llapi_msg_set_level(int level);
67 void llapi_error(int level, int rc, const char *fmt, ...)
68 __attribute__((__format__(__printf__, 3, 4)));
69 #define llapi_err_noerrno(level, fmt, a...) \
70 llapi_error((level) | LLAPI_MSG_NO_ERRNO, 0, fmt, ## a)
71 void llapi_printf(int level, const char *fmt, ...)
72 __attribute__((__format__(__printf__, 2, 3)));
74 extern int llapi_file_create(const char *name, unsigned long long stripe_size,
75 int stripe_offset, int stripe_count,
77 extern int llapi_file_open(const char *name, int flags, int mode,
78 unsigned long long stripe_size, int stripe_offset,
79 int stripe_count, int stripe_pattern);
80 extern int llapi_file_create_pool(const char *name,
81 unsigned long long stripe_size,
82 int stripe_offset, int stripe_count,
83 int stripe_pattern, char *pool_name);
84 extern int llapi_file_open_pool(const char *name, int flags, int mode,
85 unsigned long long stripe_size,
86 int stripe_offset, int stripe_count,
87 int stripe_pattern, char *pool_name);
88 extern int llapi_poollist(const char *name);
89 extern int llapi_get_poollist(const char *name, char **poollist, int list_size,
90 char *buffer, int buffer_size);
91 extern int llapi_get_poolmembers(const char *poolname, char **members,
92 int list_size, char *buffer, int buffer_size);
93 extern int llapi_file_get_stripe(const char *path, struct lov_user_md *lum);
94 #define HAVE_LLAPI_FILE_LOOKUP
95 extern int llapi_file_lookup(int dirfd, const char *name);
97 #define VERBOSE_COUNT 0x1
98 #define VERBOSE_SIZE 0x2
99 #define VERBOSE_OFFSET 0x4
100 #define VERBOSE_POOL 0x8
101 #define VERBOSE_DETAIL 0x10
102 #define VERBOSE_OBJID 0x20
103 #define VERBOSE_GENERATION 0x40
104 #define VERBOSE_MDTINDEX 0x80
105 #define VERBOSE_LAYOUT 0x100
106 #define VERBOSE_ALL (VERBOSE_COUNT | VERBOSE_SIZE | \
107 VERBOSE_OFFSET | VERBOSE_POOL | \
108 VERBOSE_OBJID | VERBOSE_GENERATION |\
112 unsigned int maxdepth;
116 /* cannot be bitfields due to using pointers to */
118 /* access them during argument parsing. */
122 /* these need to be signed values */
126 unsigned long long size;
127 unsigned long long size_units;
131 unsigned long zeroend:1,
139 check_gid:1, /* group ID */
140 check_uid:1, /* user ID */
141 check_pool:1, /* LOV pool name */
142 check_size:1, /* file size */
148 get_lmv:1, /* get MDT list from LMV */
149 raw:1, /* do not fill in defaults */
150 check_stripesize:1, /* LOV stripe size */
151 exclude_stripesize:1,
152 check_stripecount:1, /* LOV stripe count */
153 exclude_stripecount:1,
160 /* regular expression */
165 struct obd_uuid *obduuid;
171 struct obd_uuid *mdtuuid;
179 struct lov_user_mds_data *lmd;
181 char poolname[LOV_MAXPOOLNAME + 1];
184 struct lmv_user_md *fp_lmv_md;
186 unsigned long long stripesize;
187 unsigned long long stripesize_units;
188 unsigned long long stripecount;
191 /* In-process parameters. */
192 unsigned long got_uuids:1,
194 have_fileinfo:1; /* file attrs and LOV xattr */
203 extern int llapi_ostlist(char *path, struct find_param *param);
204 extern int llapi_uuid_match(char *real_uuid, char *search_uuid);
205 extern int llapi_getstripe(char *path, struct find_param *param);
206 extern int llapi_find(char *path, struct find_param *param);
208 extern int llapi_file_fget_mdtidx(int fd, int *mdtidx);
209 extern int llapi_dir_create_pool(const char *name, int flags, int stripe_offset,
210 int stripe_count, int stripe_pattern,
212 int llapi_direntry_remove(char *dname);
213 extern int llapi_obd_statfs(char *path, __u32 type, __u32 index,
214 struct obd_statfs *stat_buf,
215 struct obd_uuid *uuid_buf);
216 extern int llapi_ping(char *obd_type, char *obd_name);
217 extern int llapi_target_check(int num_types, char **obd_types, char *dir);
218 extern int llapi_file_get_lov_uuid(const char *path, struct obd_uuid *lov_uuid);
219 extern int llapi_file_get_lmv_uuid(const char *path, struct obd_uuid *lmv_uuid);
220 extern int llapi_file_fget_lov_uuid(int fd, struct obd_uuid *lov_uuid);
221 extern int llapi_lov_get_uuids(int fd, struct obd_uuid *uuidp, int *ost_count);
222 extern int llapi_lmv_get_uuids(int fd, struct obd_uuid *uuidp, int *mdt_count);
223 extern int llapi_is_lustre_mnttype(const char *type);
224 extern int llapi_search_ost(char *fsname, char *poolname, char *ostname);
225 extern int llapi_get_obd_count(char *mnt, int *count, int is_mdt);
226 extern int llapi_parse_size(const char *optarg, unsigned long long *size,
227 unsigned long long *size_units, int bytes_spec);
228 extern int llapi_search_mounts(const char *pathname, int index,
229 char *mntdir, char *fsname);
230 extern int llapi_search_fsname(const char *pathname, char *fsname);
231 extern int llapi_getname(const char *path, char *buf, size_t size);
233 extern void llapi_ping_target(char *obd_type, char *obd_name,
234 char *obd_uuid, void *args);
236 extern int llapi_search_rootpath(char *pathname, const char *fsname);
239 #define HAVE_LLAPI_IS_LUSTRE_MNT
240 extern int llapi_is_lustre_mnt(struct mntent *mnt);
241 extern int llapi_quotachown(char *path, int flag);
242 extern int llapi_quotacheck(char *mnt, int check_type);
243 extern int llapi_poll_quotacheck(char *mnt, struct if_quotacheck *qchk);
244 extern int llapi_quotactl(char *mnt, struct if_quotactl *qctl);
245 extern int llapi_target_iterate(int type_num, char **obd_type, void *args,
247 extern int llapi_get_connect_flags(const char *mnt, __u64 *flags);
248 extern int llapi_lsetfacl(int argc, char *argv[]);
249 extern int llapi_lgetfacl(int argc, char *argv[]);
250 extern int llapi_rsetfacl(int argc, char *argv[]);
251 extern int llapi_rgetfacl(int argc, char *argv[]);
252 extern int llapi_cp(int argc, char *argv[]);
253 extern int llapi_ls(int argc, char *argv[]);
254 extern int llapi_fid2path(const char *device, const char *fidstr, char *path,
255 int pathlen, long long *recno, int *linkno);
256 extern int llapi_path2fid(const char *path, lustre_fid *fid);
257 extern int llapi_fd2fid(const int fd, lustre_fid *fid);
259 extern int llapi_get_version(char *buffer, int buffer_size, char **version);
260 extern int llapi_get_data_version(int fd, __u64 *data_version, __u64 flags);
261 extern int llapi_hsm_state_get_fd(int fd, struct hsm_user_state *hus);
262 extern int llapi_hsm_state_get(const char *path, struct hsm_user_state *hus);
263 extern int llapi_hsm_state_set_fd(int fd, __u64 setmask, __u64 clearmask,
265 extern int llapi_hsm_state_set(const char *path, __u64 setmask, __u64 clearmask,
268 extern int llapi_create_volatile_idx(char *directory, int idx, int mode);
269 static inline int llapi_create_volatile(char *directory, int mode)
271 return llapi_create_volatile_idx(directory, -1, mode);
275 extern int llapi_fswap_layouts(const int fd1, const int fd2,
276 __u64 dv1, __u64 dv2, __u64 flags);
277 extern int llapi_swap_layouts(const char *path1, const char *path2,
278 __u64 dv1, __u64 dv2, __u64 flags);
280 /* Changelog interface. priv is private state, managed internally
281 by these functions */
282 #define CHANGELOG_FLAG_FOLLOW 0x01 /* Not yet implemented */
283 #define CHANGELOG_FLAG_BLOCK 0x02 /* Blocking IO makes sense in case of
284 slow user parsing of the records, but it also prevents us from cleaning
285 up if the records are not consumed. */
287 /* Records received are in extentded format now, though most of them are still
288 * written in disk in changelog_rec format (to save space and time), it's
289 * converted to extented format in the lustre api to ease changelog analysis. */
290 #define HAVE_CHANGELOG_EXTEND_REC 1
292 extern int llapi_changelog_start(void **priv, int flags, const char *mdtname,
294 extern int llapi_changelog_fini(void **priv);
295 extern int llapi_changelog_recv(void *priv, struct changelog_ext_rec **rech);
296 extern int llapi_changelog_free(struct changelog_ext_rec **rech);
297 /* Allow records up to endrec to be destroyed; requires registered id. */
298 extern int llapi_changelog_clear(const char *mdtname, const char *idstr,
301 /* HSM copytool interface.
302 * priv is private state, managed internally by these functions
304 struct hsm_copytool_private;
305 struct hsm_copyaction_private;
307 extern int llapi_hsm_copytool_register(struct hsm_copytool_private **priv,
308 const char *mnt, int flags,
309 int archive_count, int *archives);
310 extern int llapi_hsm_copytool_unregister(struct hsm_copytool_private **priv);
311 extern int llapi_hsm_copytool_recv(struct hsm_copytool_private *priv,
312 struct hsm_action_list **hal, int *msgsize);
313 extern void llapi_hsm_action_list_free(struct hsm_action_list **hal);
314 extern int llapi_hsm_action_begin(struct hsm_copyaction_private **phcp,
315 const struct hsm_copytool_private *ct,
316 const struct hsm_action_item *hai,
317 int restore_mdt_index, int restore_open_flags,
319 extern int llapi_hsm_action_end(struct hsm_copyaction_private **phcp,
320 const struct hsm_extent *he,
321 int hp_flags, int errval);
322 extern int llapi_hsm_action_progress(struct hsm_copyaction_private *hcp,
323 const struct hsm_extent *he, int hp_flags);
324 extern int llapi_hsm_action_get_dfid(const struct hsm_copyaction_private *hcp,
326 extern int llapi_hsm_action_get_fd(const struct hsm_copyaction_private *hcp);
327 extern int llapi_hsm_import(const char *dst, int archive, const struct stat *st,
328 unsigned long long stripe_size, int stripe_offset,
329 int stripe_count, int stripe_pattern,
330 char *pool_name, lustre_fid *newfid);
332 /* HSM user interface */
333 extern struct hsm_user_request *llapi_hsm_user_request_alloc(int itemcount,
335 extern int llapi_hsm_request(const char *path,
336 const struct hsm_user_request *request);
337 extern int llapi_hsm_current_action(const char *path,
338 struct hsm_current_action *hca);