1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/include/lustre/lustre_user.h
38 * Lustre public user-space interface definitions.
41 #ifndef _LUSTRE_USER_H
42 #define _LUSTRE_USER_H
44 #include <lustre/ll_fiemap.h>
45 #if defined(__linux__)
46 #include <linux/lustre_user.h>
47 #elif defined(__APPLE__)
48 #include <darwin/lustre_user.h>
49 #elif defined(__WINNT__)
50 #include <winnt/lustre_user.h>
52 #error Unsupported operating system.
56 #define LL_SUPER_MAGIC 0x0BD00BD0
58 #ifndef EXT3_IOC_GETFLAGS
59 #define EXT3_IOC_GETFLAGS _IOR('f', 1, long)
60 #define EXT3_IOC_SETFLAGS _IOW('f', 2, long)
61 #define EXT3_IOC_GETVERSION _IOR('f', 3, long)
62 #define EXT3_IOC_SETVERSION _IOW('f', 4, long)
63 #define EXT3_IOC_GETVERSION_OLD _IOR('v', 1, long)
64 #define EXT3_IOC_SETVERSION_OLD _IOW('v', 2, long)
65 #define EXT3_IOC_FIEMAP _IOWR('f', 11, struct ll_user_fiemap)
68 /* FIEMAP flags supported by Lustre */
69 #define LUSTRE_FIEMAP_FLAGS_COMPAT (FIEMAP_FLAG_SYNC | FIEMAP_FLAG_DEVICE_ORDER)
74 * The ioctl naming rules:
75 * LL_* - works on the currently opened filehandle instead of parent dir
76 * *_OBD_* - gets data for both OSC or MDC (LOV, LMV indirectly)
77 * *_MDC_* - gets/sets data related to MDC
78 * *_LOV_* - gets/sets data related to OSC/LOV
79 * *FILE* - called on parent dir and passes in a filename
80 * *STRIPE* - set/get lov_user_md
81 * *INFO - set/get lov_user_mds_data
83 #define LL_IOC_GETFLAGS _IOR ('f', 151, long)
84 #define LL_IOC_SETFLAGS _IOW ('f', 152, long)
85 #define LL_IOC_CLRFLAGS _IOW ('f', 153, long)
86 #define LL_IOC_LOV_SETSTRIPE _IOW ('f', 154, long)
87 #define LL_IOC_LOV_GETSTRIPE _IOW ('f', 155, long)
88 #define LL_IOC_LOV_SETEA _IOW ('f', 156, long)
89 #define LL_IOC_RECREATE_OBJ _IOW ('f', 157, long)
90 #define LL_IOC_GROUP_LOCK _IOW ('f', 158, long)
91 #define LL_IOC_GROUP_UNLOCK _IOW ('f', 159, long)
92 #define LL_IOC_QUOTACHECK _IOW ('f', 160, int)
93 #define LL_IOC_POLL_QUOTACHECK _IOR ('f', 161, struct if_quotacheck *)
94 #define LL_IOC_QUOTACTL _IOWR('f', 162, struct if_quotactl *)
95 #define LL_IOC_JOIN _IOW ('f', 163, long)
96 #define IOC_OBD_STATFS _IOWR('f', 164, struct obd_statfs *)
97 #define IOC_LOV_GETINFO _IOWR('f', 165, struct lov_user_mds_data *)
99 #define LL_IOC_LLOOP_ATTACH _IOWR('f', 166, OBD_IOC_DATA_TYPE)
100 #define LL_IOC_LLOOP_DETACH _IOWR('f', 167, OBD_IOC_DATA_TYPE)
101 #define LL_IOC_LLOOP_INFO _IOWR('f', 168, OBD_IOC_DATA_TYPE)
102 #define LL_IOC_LLOOP_DETACH_BYDEV _IOWR('f', 169, OBD_IOC_DATA_TYPE)
104 #define LL_STATFS_MDC 1
105 #define LL_STATFS_LOV 2
107 #define IOC_MDC_TYPE 'i'
108 #define IOC_MDC_LOOKUP _IOWR(IOC_MDC_TYPE, 20, struct obd_device *)
109 #define IOC_MDC_GETFILESTRIPE _IOWR(IOC_MDC_TYPE, 21, struct lov_user_md *)
110 #define IOC_MDC_GETFILEINFO _IOWR(IOC_MDC_TYPE, 22, struct lov_user_mds_data *)
111 #define LL_IOC_MDC_GETINFO _IOWR(IOC_MDC_TYPE, 23, struct lov_user_mds_data *)
113 /* Keep these for backward compartability. */
114 #define LL_IOC_OBD_STATFS IOC_OBD_STATFS
115 #define IOC_MDC_GETSTRIPE IOC_MDC_GETFILESTRIPE
117 #define O_LOV_DELAY_CREATE 0100000000 /* hopefully this does not conflict */
119 #define LL_FILE_IGNORE_LOCK 0x00000001
120 #define LL_FILE_GROUP_LOCKED 0x00000002
121 #define LL_FILE_READAHEAD 0x00000004
123 #define LOV_USER_MAGIC_V1 0x0BD10BD0
124 #define LOV_USER_MAGIC LOV_USER_MAGIC_V1
125 #define LOV_USER_MAGIC_JOIN 0x0BD20BD0
126 #define LOV_USER_MAGIC_V3 0x0BD30BD0
128 #define LOV_USER_MAGIC_V1_SWABBED 0xD00BD10B
129 #define LOV_USER_MAGIC_V3_SWABBED 0xD00BD30B
131 #define LOV_PATTERN_RAID0 0x001
132 #define LOV_PATTERN_RAID1 0x002
133 #define LOV_PATTERN_FIRST 0x100
135 #define LOV_MAXPOOLNAME 16
136 #define LOV_POOLNAMEF "%.16s"
138 #define lov_user_ost_data lov_user_ost_data_v1
139 struct lov_user_ost_data_v1 { /* per-stripe data structure */
140 __u64 l_object_id; /* OST object ID */
141 __u64 l_object_gr; /* OST object group (creating MDS number) */
142 __u32 l_ost_gen; /* generation of this OST index */
143 __u32 l_ost_idx; /* OST index in LOV */
144 } __attribute__((packed));
146 #define lov_user_md lov_user_md_v1
147 struct lov_user_md_v1 { /* LOV EA user data (host-endian) */
148 __u32 lmm_magic; /* magic number = LOV_USER_MAGIC_V1 */
149 __u32 lmm_pattern; /* LOV_PATTERN_RAID0, LOV_PATTERN_RAID1 */
150 __u64 lmm_object_id; /* LOV object ID */
151 __u64 lmm_object_gr; /* LOV object group */
152 __u32 lmm_stripe_size; /* size of stripe in bytes */
153 __u16 lmm_stripe_count; /* num stripes in use for this object */
154 __u16 lmm_stripe_offset; /* starting stripe offset in lmm_objects */
155 struct lov_user_ost_data_v1 lmm_objects[0]; /* per-stripe data */
156 } __attribute__((packed));
158 struct lov_user_md_v3 { /* LOV EA user data (host-endian) */
159 __u32 lmm_magic; /* magic number = LOV_USER_MAGIC_V3 */
160 __u32 lmm_pattern; /* LOV_PATTERN_RAID0, LOV_PATTERN_RAID1 */
161 __u64 lmm_object_id; /* LOV object ID */
162 __u64 lmm_object_gr; /* LOV object group */
163 __u32 lmm_stripe_size; /* size of stripe in bytes */
164 __u16 lmm_stripe_count; /* num stripes in use for this object */
165 __u16 lmm_stripe_offset; /* starting stripe offset in lmm_objects */
166 char lmm_pool_name[LOV_MAXPOOLNAME]; /* pool name */
167 struct lov_user_ost_data_v1 lmm_objects[0]; /* per-stripe data */
168 } __attribute__((packed));
170 /* Compile with -D_LARGEFILE64_SOURCE or -D_GNU_SOURCE (or #define) to
171 * use this. It is unsafe to #define those values in this header as it
172 * is possible the application has already #included <sys/stat.h>. */
173 #ifdef HAVE_LOV_USER_MDS_DATA
174 #define lov_user_mds_data lov_user_mds_data_v1
175 struct lov_user_mds_data_v1 {
176 lstat_t lmd_st; /* MDS stat struct */
177 struct lov_user_md_v1 lmd_lmm; /* LOV EA V1 user data */
178 } __attribute__((packed));
180 struct lov_user_mds_data_v3 {
181 lstat_t lmd_st; /* MDS stat struct */
182 struct lov_user_md_v3 lmd_lmm; /* LOV EA V3 user data */
183 } __attribute__((packed));
186 struct ll_recreate_obj {
192 __u64 id; /* holds object id */
193 __u32 generation; /* holds object generation */
194 __u32 f_type; /* holds object type or stripe idx when passing it to
195 * OST for saving into EA. */
199 struct ll_fid ff_fid; /* ff_fid.f_type == file stripe number */
208 static inline int obd_uuid_equals(struct obd_uuid *u1, struct obd_uuid *u2)
210 return strcmp((char *)u1->uuid, (char *)u2->uuid) == 0;
213 static inline int obd_uuid_empty(struct obd_uuid *uuid)
215 return uuid->uuid[0] == '\0';
218 static inline void obd_str2uuid(struct obd_uuid *uuid, char *tmp)
220 strncpy((char *)uuid->uuid, tmp, sizeof(*uuid));
221 uuid->uuid[sizeof(*uuid) - 1] = '\0';
224 /* For printf's only, make sure uuid is terminated */
225 static inline char *obd_uuid2str(struct obd_uuid *uuid)
227 if (uuid->uuid[sizeof(*uuid) - 1] != '\0') {
228 /* Obviously not safe, but for printfs, no real harm done...
229 we're always null-terminated, even in a race. */
230 static char temp[sizeof(*uuid)];
231 memcpy(temp, uuid->uuid, sizeof(*uuid) - 1);
232 temp[sizeof(*uuid) - 1] = '\0';
235 return (char *)(uuid->uuid);
238 /* these must be explicitly translated into linux Q_* in ll_dir_ioctl */
239 #define LUSTRE_Q_QUOTAON 0x800002 /* turn quotas on */
240 #define LUSTRE_Q_QUOTAOFF 0x800003 /* turn quotas off */
241 #define LUSTRE_Q_GETINFO 0x800005 /* get information about quota files */
242 #define LUSTRE_Q_SETINFO 0x800006 /* set information about quota files */
243 #define LUSTRE_Q_GETQUOTA 0x800007 /* get user quota structure */
244 #define LUSTRE_Q_SETQUOTA 0x800008 /* set user quota structure */
245 /* lustre-specific control commands */
246 #define LUSTRE_Q_INVALIDATE 0x80000b /* invalidate quota data */
247 #define LUSTRE_Q_FINVALIDATE 0x80000c /* invalidate filter quota data */
249 #define UGQUOTA 2 /* set both USRQUOTA and GRPQUOTA */
251 struct if_quotacheck {
253 struct obd_uuid obd_uuid;
256 #define MDS_GRP_DOWNCALL_MAGIC 0x6d6dd620
258 struct mds_grp_downcall_data {
267 #ifdef NEED_QUOTA_DEFS
268 #ifndef QUOTABLOCK_BITS
269 #define QUOTABLOCK_BITS 10
272 #ifndef QUOTABLOCK_SIZE
273 #define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS)
277 #define toqb(x) (((x) + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS)
281 #define QIF_BLIMITS 1
283 #define QIF_ILIMITS 4
287 #define QIF_LIMITS (QIF_BLIMITS | QIF_ILIMITS)
288 #define QIF_USAGE (QIF_SPACE | QIF_INODES)
289 #define QIF_TIMES (QIF_BTIME | QIF_ITIME)
290 #define QIF_ALL (QIF_LIMITS | QIF_USAGE | QIF_TIMES)
293 #endif /* !__KERNEL__ */
295 #define QFMT_LDISKFS 2 /* pre-1.6.6 compatibility */
297 typedef enum lustre_quota_version {
300 } lustre_quota_version_t;
302 /* XXX: same as if_dqinfo struct in kernel */
310 /* XXX: same as if_dqblk struct in kernel, plus one padding */
312 __u64 dqb_bhardlimit;
313 __u64 dqb_bsoftlimit;
315 __u64 dqb_ihardlimit;
316 __u64 dqb_isoftlimit;
329 struct obd_dqinfo qc_dqinfo;
330 struct obd_dqblk qc_dqblk;
332 struct obd_uuid obd_uuid;
336 # define offsetof(typ,memb) ((unsigned long)((char *)&(((typ *)0)->memb)))
339 #endif /* _LUSTRE_USER_H */