X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Finclude%2Flustre%2Fliblustreapi.h;h=8a8739804e6245c60cb068a8b37a2e223f705abf;hp=402dac207cdf0ce89de054599635b931dc3ee329;hb=68234a15f0ca73b035f91e5bcc9399ca0bca1287;hpb=70e80ade90af09300396706b8910e196a7928520 diff --git a/lustre/include/lustre/liblustreapi.h b/lustre/include/lustre/liblustreapi.h index 402dac2..8a87398 100644 --- a/lustre/include/lustre/liblustreapi.h +++ b/lustre/include/lustre/liblustreapi.h @@ -1,6 +1,4 @@ -/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- - * vim:expandtab:shiftwidth=8:tabstop=8: - * +/* * GPL HEADER START * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. @@ -16,8 +14,8 @@ * in the LICENSE file that accompanied this code). * * You should have received a copy of the GNU General Public License - * version 2 along with this program; If not, see [sun.com URL with a - * copy of GPLv2]. + * version 2 along with this program; If not, see + * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or @@ -26,8 +24,10 @@ * GPL HEADER END */ /* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved + * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. + * + * Copyright (c) 2011, 2012, Whamcloud, Inc. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -37,13 +37,12 @@ #ifndef _LIBLUSTREAPI_H_ #define _LIBLUSTREAPI_H_ -#include - -/* Initially allocate for these many OSTs, realloc if needed */ -#define INIT_ALLOC_NUM_OSTS 1024 +/** \defgroup llapi llapi + * + * @{ + */ -/* Maximum number of osts that can be specified to lfs find */ -#define FIND_MAX_OSTS 1024 +#include typedef void (*llapi_cb_t)(char *obd_type_name, char *obd_name, char *obd_uuid, void *args); @@ -61,48 +60,88 @@ enum llapi_message_level { /* the bottom three bits reserved for llapi_message_level */ #define LLAPI_MSG_MASK 0x00000007 -#define LLAPI_MSG_NO_ERRNO 0x00000010 +#define LLAPI_MSG_NO_ERRNO 0x00000010 /* liblustreapi.c */ extern void llapi_msg_set_level(int level); -extern void llapi_err(int level, char *fmt, ...); +extern void llapi_error(int level, int rc, char *fmt, ...); +#define llapi_err_noerrno(level, fmt, a...) \ + llapi_error((level) | LLAPI_MSG_NO_ERRNO, 0, fmt, ## a) extern void llapi_printf(int level, char *fmt, ...); -extern int llapi_file_create(const char *name, unsigned long stripe_size, +extern int llapi_file_create(const char *name, unsigned long long stripe_size, int stripe_offset, int stripe_count, int stripe_pattern); extern int llapi_file_open(const char *name, int flags, int mode, - unsigned long stripe_size, int stripe_offset, + unsigned long long stripe_size, int stripe_offset, int stripe_count, int stripe_pattern); +extern int llapi_file_create_pool(const char *name, + unsigned long long stripe_size, + int stripe_offset, int stripe_count, + int stripe_pattern, char *pool_name); +extern int llapi_file_open_pool(const char *name, int flags, int mode, + unsigned long long stripe_size, + int stripe_offset, int stripe_count, + int stripe_pattern, char *pool_name); +extern int llapi_poollist(const char *name); +extern int llapi_get_poollist(const char *name, char **poollist, int list_size, + char *buffer, int buffer_size); +extern int llapi_get_poolmembers(const char *poolname, char **members, + int list_size, char *buffer, int buffer_size); extern int llapi_file_get_stripe(const char *path, struct lov_user_md *lum); #define HAVE_LLAPI_FILE_LOOKUP extern int llapi_file_lookup(int dirfd, const char *name); - + +#define VERBOSE_COUNT 0x1 +#define VERBOSE_SIZE 0x2 +#define VERBOSE_OFFSET 0x4 +#define VERBOSE_POOL 0x8 +#define VERBOSE_DETAIL 0x10 +#define VERBOSE_OBJID 0x20 +#define VERBOSE_GENERATION 0x40 +#define VERBOSE_MDTINDEX 0x80 +#define VERBOSE_ALL (VERBOSE_COUNT | VERBOSE_SIZE | VERBOSE_OFFSET | \ + VERBOSE_POOL | VERBOSE_OBJID | VERBOSE_GENERATION) + struct find_param { unsigned int maxdepth; time_t atime; time_t mtime; time_t ctime; - int asign; - int csign; + int asign; /* cannot be bitfields due to using pointers to */ + int csign; /* access them during argument parsing. */ int msign; int type; + int size_sign:2, /* these need to be signed values */ + stripesize_sign:2, + stripecount_sign:2; unsigned long long size; - int size_sign; unsigned long long size_units; uid_t uid; gid_t gid; unsigned long zeroend:1, recursive:1, - got_uuids:1, - obds_printed:1, exclude_pattern:1, exclude_type:1, - have_fileinfo:1, + exclude_obd:1, + exclude_mdt:1, exclude_gid:1, exclude_uid:1, - check_gid:1, - check_uid:1; + check_gid:1, /* group ID */ + check_uid:1, /* user ID */ + check_pool:1, /* LOV pool name */ + check_size:1, /* file size */ + exclude_pool:1, + exclude_size:1, + exclude_atime:1, + exclude_mtime:1, + exclude_ctime:1, + get_lmv:1, /* get MDT list from LMV */ + raw:1, /* do not fill in defaults */ + check_stripesize:1, /* LOV stripe size */ + exclude_stripesize:1, + check_stripecount:1, /* LOV stripe count */ + exclude_stripecount:1; int verbose; int quiet; @@ -112,35 +151,65 @@ struct find_param { char *print_fmt; - struct obd_uuid *obduuid; + struct obd_uuid *obduuid; int num_obds; int num_alloc_obds; int obdindex; - int *obdindexes; + int *obdindexes; + + struct obd_uuid *mdtuuid; + int num_mdts; + int num_alloc_mdts; + int mdtindex; + int *mdtindexes; + int file_mdtindex; int lumlen; struct lov_user_mds_data *lmd; - /* In-precess parameters. */ - unsigned int depth; - dev_t st_dev; + char poolname[LOV_MAXPOOLNAME + 1]; + + unsigned long long stripesize; + unsigned long long stripesize_units; + unsigned long long stripecount; + + /* In-process parameters. */ + unsigned long got_uuids:1, + obds_printed:1, + have_fileinfo:1; /* file attrs and LOV xattr */ + unsigned int depth; + dev_t st_dev; }; +extern int llapi_ostlist(char *path, struct find_param *param); +extern int llapi_uuid_match(char *real_uuid, char *search_uuid); extern int llapi_getstripe(char *path, struct find_param *param); extern int llapi_find(char *path, struct find_param *param); +extern int llapi_file_fget_mdtidx(int fd, int *mdtidx); extern int llapi_obd_statfs(char *path, __u32 type, __u32 index, struct obd_statfs *stat_buf, struct obd_uuid *uuid_buf); extern int llapi_ping(char *obd_type, char *obd_name); extern int llapi_target_check(int num_types, char **obd_types, char *dir); -extern int llapi_catinfo(char *dir, char *keyword, char *node_name); extern int llapi_file_get_lov_uuid(const char *path, struct obd_uuid *lov_uuid); -extern int llapi_file_get_lov_fuuid(int fd, struct obd_uuid *lov_uuid); +extern int llapi_file_fget_lov_uuid(int fd, struct obd_uuid *lov_uuid); extern int llapi_lov_get_uuids(int fd, struct obd_uuid *uuidp, int *ost_count); +extern int llapi_lmv_get_uuids(int fd, struct obd_uuid *uuidp, int *mdt_count); extern int llapi_is_lustre_mnttype(const char *type); +extern int llapi_search_ost(char *fsname, char *poolname, char *ostname); +extern int llapi_get_obd_count(char *mnt, int *count, int is_mdt); extern int parse_size(char *optarg, unsigned long long *size, - unsigned long long *size_units); + unsigned long long *size_units, int bytes_spec); +extern int llapi_path2fid(const char *path, lustre_fid *fid); +extern int llapi_search_mounts(const char *pathname, int index, + char *mntdir, char *fsname); +extern int llapi_search_fsname(const char *pathname, char *fsname); +extern int llapi_getname(const char *path, char *buf, size_t size); + +extern void llapi_ping_target(char *obd_type, char *obd_name, + char *obd_uuid, void *args); + struct mntent; #define HAVE_LLAPI_IS_LUSTRE_MNT extern int llapi_is_lustre_mnt(struct mntent *mnt); @@ -149,10 +218,53 @@ extern int llapi_quotacheck(char *mnt, int check_type); extern int llapi_poll_quotacheck(char *mnt, struct if_quotacheck *qchk); extern int llapi_quotactl(char *mnt, struct if_quotactl *qctl); extern int llapi_target_iterate(int type_num, char **obd_type, void *args, llapi_cb_t cb); +extern int llapi_get_connect_flags(const char *mnt, __u64 *flags); extern int llapi_lsetfacl(int argc, char *argv[]); extern int llapi_lgetfacl(int argc, char *argv[]); extern int llapi_rsetfacl(int argc, char *argv[]); extern int llapi_rgetfacl(int argc, char *argv[]); extern int llapi_cp(int argc, char *argv[]); extern int llapi_ls(int argc, char *argv[]); +extern int llapi_fid2path(const char *device, const char *fidstr, char *path, + int pathlen, long long *recno, int *linkno); +extern int llapi_path2fid(const char *path, lustre_fid *fid); +extern int llapi_get_version(char *buffer, int buffer_size, char **version); + +extern int llapi_get_data_version(int fd, __u64 *data_version, __u64 flags); + +/* Changelog interface. priv is private state, managed internally + by these functions */ +#define CHANGELOG_FLAG_FOLLOW 0x01 /* Not yet implemented */ +#define CHANGELOG_FLAG_BLOCK 0x02 /* Blocking IO makes sense in case of + slow user parsing of the records, but it also prevents us from cleaning + up if the records are not consumed. */ + +/* Records received are in extentded format now, though most of them are still + * written in disk in changelog_rec format (to save space and time), it's + * converted to extented format in liblustre to ease changelog analysis. */ +#define HAVE_CHANGELOG_EXTEND_REC 1 + +extern int llapi_changelog_start(void **priv, int flags, const char *mdtname, + long long startrec); +extern int llapi_changelog_fini(void **priv); +extern int llapi_changelog_recv(void *priv, struct changelog_ext_rec **rech); +extern int llapi_changelog_free(struct changelog_ext_rec **rech); +/* Allow records up to endrec to be destroyed; requires registered id. */ +extern int llapi_changelog_clear(const char *mdtname, const char *idstr, + long long endrec); + +/* HSM copytool interface. priv is private state, managed internally + by these functions */ +extern int llapi_copytool_start(void **priv, char *fsname, int flags, + int archive_count, int *archives); +extern int llapi_copytool_fini(void **priv); +extern int llapi_copytool_recv(void *priv, struct hsm_action_list **hal, + int *msgsize); +extern int llapi_copytool_free(struct hsm_action_list **hal); + +/** @} llapi */ + #endif + + +