diff options
Diffstat (limited to 'drivers/staging/lustre/include/uapi/linux/lustre/lustre_user.h')
| -rw-r--r-- | drivers/staging/lustre/include/uapi/linux/lustre/lustre_user.h | 1325 |
1 files changed, 1325 insertions, 0 deletions
diff --git a/drivers/staging/lustre/include/uapi/linux/lustre/lustre_user.h b/drivers/staging/lustre/include/uapi/linux/lustre/lustre_user.h new file mode 100644 index 000000000000..5e332e3af68a --- /dev/null +++ b/drivers/staging/lustre/include/uapi/linux/lustre/lustre_user.h @@ -0,0 +1,1325 @@ +/* + * GPL HEADER START + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 only, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License version 2 for more details (a copy is included + * 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 + * http://www.gnu.org/licenses/gpl-2.0.html + * + * GPL HEADER END + */ +/* + * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. + * Use is subject to license terms. + * + * Copyright (c) 2010, 2015, Intel Corporation. + */ +/* + * This file is part of Lustre, http://www.lustre.org/ + * Lustre is a trademark of Sun Microsystems, Inc. + * + * lustre/include/lustre/lustre_user.h + * + * Lustre public user-space interface definitions. + */ + +#ifndef _LUSTRE_USER_H +#define _LUSTRE_USER_H + +/** \defgroup lustreuser lustreuser + * + * @{ + */ + +#ifdef __KERNEL__ +# include <linux/fs.h> +# include <linux/quota.h> +# include <linux/sched/signal.h> +# include <linux/string.h> /* snprintf() */ +# include <linux/version.h> +#else /* !__KERNEL__ */ +# define NEED_QUOTA_DEFS +# include <stdio.h> /* snprintf() */ +# include <string.h> +# include <sys/quota.h> +# include <sys/stat.h> +#endif /* __KERNEL__ */ +#include <uapi/linux/lustre/lustre_fiemap.h> + +/* + * We need to always use 64bit version because the structure + * is shared across entire cluster where 32bit and 64bit machines + * are co-existing. + */ +#if __BITS_PER_LONG != 64 || defined(__ARCH_WANT_STAT64) +typedef struct stat64 lstat_t; +#define lstat_f lstat64 +#define fstat_f fstat64 +#define fstatat_f fstatat64 +#else +typedef struct stat lstat_t; +#define lstat_f lstat +#define fstat_f fstat +#define fstatat_f fstatat +#endif + +#define HAVE_LOV_USER_MDS_DATA + +#define LUSTRE_EOF 0xffffffffffffffffULL + +/* for statfs() */ +#define LL_SUPER_MAGIC 0x0BD00BD0 + +#ifndef FSFILT_IOC_GETFLAGS +#define FSFILT_IOC_GETFLAGS _IOR('f', 1, long) +#define FSFILT_IOC_SETFLAGS _IOW('f', 2, long) +#define FSFILT_IOC_GETVERSION _IOR('f', 3, long) +#define FSFILT_IOC_SETVERSION _IOW('f', 4, long) +#define FSFILT_IOC_GETVERSION_OLD _IOR('v', 1, long) +#define FSFILT_IOC_SETVERSION_OLD _IOW('v', 2, long) +#endif + +/* FIEMAP flags supported by Lustre */ +#define LUSTRE_FIEMAP_FLAGS_COMPAT (FIEMAP_FLAG_SYNC | FIEMAP_FLAG_DEVICE_ORDER) + +enum obd_statfs_state { + OS_STATE_DEGRADED = 0x00000001, /**< RAID degraded/rebuilding */ + OS_STATE_READONLY = 0x00000002, /**< filesystem is read-only */ + OS_STATE_RDONLY_1 = 0x00000004, /**< obsolete 1.6, was EROFS=30 */ + OS_STATE_RDONLY_2 = 0x00000008, /**< obsolete 1.6, was EROFS=30 */ + OS_STATE_RDONLY_3 = 0x00000010, /**< obsolete 1.6, was EROFS=30 */ +}; + +struct obd_statfs { + __u64 os_type; + __u64 os_blocks; + __u64 os_bfree; + __u64 os_bavail; + __u64 os_files; + __u64 os_ffree; + __u8 os_fsid[40]; + __u32 os_bsize; + __u32 os_namelen; + __u64 os_maxbytes; + __u32 os_state; /**< obd_statfs_state OS_STATE_* flag */ + __u32 os_fprecreated; /* objs available now to the caller */ + /* used in QoS code to find preferred OSTs */ + __u32 os_spare2; + __u32 os_spare3; + __u32 os_spare4; + __u32 os_spare5; + __u32 os_spare6; + __u32 os_spare7; + __u32 os_spare8; + __u32 os_spare9; +}; + +/** + * File IDentifier. + * + * FID is a cluster-wide unique identifier of a file or an object (stripe). + * FIDs are never reused. + **/ +struct lu_fid { + /** + * FID sequence. Sequence is a unit of migration: all files (objects) + * with FIDs from a given sequence are stored on the same server. + * Lustre should support 2^64 objects, so even if each sequence + * has only a single object we can still enumerate 2^64 objects. + **/ + __u64 f_seq; + /* FID number within sequence. */ + __u32 f_oid; + /** + * FID version, used to distinguish different versions (in the sense + * of snapshots, etc.) of the same file system object. Not currently + * used. + **/ + __u32 f_ver; +}; + +static inline bool fid_is_zero(const struct lu_fid *fid) +{ + return !fid->f_seq && !fid->f_oid; +} + +struct filter_fid { + struct lu_fid ff_parent; /* ff_parent.f_ver == file stripe number */ +}; + +/* keep this one for compatibility */ +struct filter_fid_old { + struct lu_fid ff_parent; + __u64 ff_objid; + __u64 ff_seq; +}; + +/* Userspace should treat lu_fid as opaque, and only use the following methods + * to print or parse them. Other functions (e.g. compare, swab) could be moved + * here from lustre_idl.h if needed. + */ +struct lu_fid; + +/** + * Following struct for object attributes, that will be kept inode's EA. + * Introduced in 2.0 release (please see b15993, for details) + * Added to all objects since Lustre 2.4 as contains self FID + */ +struct lustre_mdt_attrs { + /** + * Bitfield for supported data in this structure. From enum lma_compat. + * lma_self_fid and lma_flags are always available. + */ + __u32 lma_compat; + /** + * Per-file incompat feature list. Lustre version should support all + * flags set in this field. The supported feature mask is available in + * LMA_INCOMPAT_SUPP. + */ + __u32 lma_incompat; + /** FID of this inode */ + struct lu_fid lma_self_fid; +}; + +/** + * Prior to 2.4, the LMA structure also included SOM attributes which has since + * been moved to a dedicated xattr + * lma_flags was also removed because of lma_compat/incompat fields. + */ +#define LMA_OLD_SIZE (sizeof(struct lustre_mdt_attrs) + 5 * sizeof(__u64)) + +/** + * OST object IDentifier. + */ +struct ost_id { + union { + struct { + __u64 oi_id; + __u64 oi_seq; + } oi; + struct lu_fid oi_fid; + }; +}; + +#define DOSTID "%#llx:%llu" +#define POSTID(oi) ostid_seq(oi), ostid_id(oi) + +/* + * The ioctl naming rules: + * LL_* - works on the currently opened filehandle instead of parent dir + * *_OBD_* - gets data for both OSC or MDC (LOV, LMV indirectly) + * *_MDC_* - gets/sets data related to MDC + * *_LOV_* - gets/sets data related to OSC/LOV + * *FILE* - called on parent dir and passes in a filename + * *STRIPE* - set/get lov_user_md + * *INFO - set/get lov_user_mds_data + */ +/* lustre_ioctl.h 101-150 */ +#define LL_IOC_GETFLAGS _IOR('f', 151, long) +#define LL_IOC_SETFLAGS _IOW('f', 152, long) +#define LL_IOC_CLRFLAGS _IOW('f', 153, long) +#define LL_IOC_LOV_SETSTRIPE _IOW('f', 154, long) +#define LL_IOC_LOV_GETSTRIPE _IOW('f', 155, long) +#define LL_IOC_LOV_SETEA _IOW('f', 156, long) +/* LL_IOC_RECREATE_OBJ 157 obsolete */ +/* LL_IOC_RECREATE_FID 158 obsolete */ +#define LL_IOC_GROUP_LOCK _IOW('f', 158, long) +#define LL_IOC_GROUP_UNLOCK _IOW('f', 159, long) +/* #define LL_IOC_QUOTACHECK 160 OBD_IOC_QUOTACHECK */ +/* #define LL_IOC_POLL_QUOTACHECK 161 OBD_IOC_POLL_QUOTACHECK */ +/* #define LL_IOC_QUOTACTL 162 OBD_IOC_QUOTACTL */ +#define IOC_OBD_STATFS _IOWR('f', 164, struct obd_statfs *) +/* IOC_LOV_GETINFO 165 obsolete */ +#define LL_IOC_FLUSHCTX _IOW('f', 166, long) +/* LL_IOC_RMTACL 167 obsolete */ +#define LL_IOC_GETOBDCOUNT _IOR('f', 168, long) +#define LL_IOC_LLOOP_ATTACH _IOWR('f', 169, long) +#define LL_IOC_LLOOP_DETACH _IOWR('f', 170, long) +#define LL_IOC_LLOOP_INFO _IOWR('f', 171, struct lu_fid) +#define LL_IOC_LLOOP_DETACH_BYDEV _IOWR('f', 172, long) +#define LL_IOC_PATH2FID _IOR('f', 173, long) +#define LL_IOC_GET_CONNECT_FLAGS _IOWR('f', 174, __u64 *) +#define LL_IOC_GET_MDTIDX _IOR('f', 175, int) + +/* lustre_ioctl.h 177-210 */ +#define LL_IOC_HSM_STATE_GET _IOR('f', 211, struct hsm_user_state) +#define LL_IOC_HSM_STATE_SET _IOW('f', 212, struct hsm_state_set) +#define LL_IOC_HSM_CT_START _IOW('f', 213, struct lustre_kernelcomm) +#define LL_IOC_HSM_COPY_START _IOW('f', 214, struct hsm_copy *) +#define LL_IOC_HSM_COPY_END _IOW('f', 215, struct hsm_copy *) +#define LL_IOC_HSM_PROGRESS _IOW('f', 216, struct hsm_user_request) +#define LL_IOC_HSM_REQUEST _IOW('f', 217, struct hsm_user_request) +#define LL_IOC_DATA_VERSION _IOR('f', 218, struct ioc_data_version) +#define LL_IOC_LOV_SWAP_LAYOUTS _IOW('f', 219, \ + struct lustre_swap_layouts) +#define LL_IOC_HSM_ACTION _IOR('f', 220, \ + struct hsm_current_action) +/* see <lustre_lib.h> for ioctl numbers 221-232 */ + +#define LL_IOC_LMV_SETSTRIPE _IOWR('f', 240, struct lmv_user_md) +#define LL_IOC_LMV_GETSTRIPE _IOWR('f', 241, struct lmv_user_md) +#define LL_IOC_SET_LEASE _IOWR('f', 243, long) +#define LL_IOC_GET_LEASE _IO('f', 244) +#define LL_IOC_HSM_IMPORT _IOWR('f', 245, struct hsm_user_import) +#define LL_IOC_LMV_SET_DEFAULT_STRIPE _IOWR('f', 246, struct lmv_user_md) +#define LL_IOC_MIGRATE _IOR('f', 247, int) +#define LL_IOC_FID2MDTIDX _IOWR('f', 248, struct lu_fid) +#define LL_IOC_GETPARENT _IOWR('f', 249, struct getparent) + +/* Lease types for use as arg and return of LL_IOC_{GET,SET}_LEASE ioctl. */ +enum ll_lease_type { + LL_LEASE_RDLCK = 0x1, + LL_LEASE_WRLCK = 0x2, + LL_LEASE_UNLCK = 0x4, +}; + +#define LL_STATFS_LMV 1 +#define LL_STATFS_LOV 2 +#define LL_STATFS_NODELAY 4 + +#define IOC_MDC_TYPE 'i' +#define IOC_MDC_LOOKUP _IOWR(IOC_MDC_TYPE, 20, struct obd_device *) +#define IOC_MDC_GETFILESTRIPE _IOWR(IOC_MDC_TYPE, 21, struct lov_user_md *) +#define IOC_MDC_GETFILEINFO _IOWR(IOC_MDC_TYPE, 22, struct lov_user_mds_data *) +#define LL_IOC_MDC_GETINFO _IOWR(IOC_MDC_TYPE, 23, struct lov_user_mds_data *) + +#define MAX_OBD_NAME 128 /* If this changes, a NEW ioctl must be added */ + +/* Define O_LOV_DELAY_CREATE to be a mask that is not useful for regular + * files, but are unlikely to be used in practice and are not harmful if + * used incorrectly. O_NOCTTY and FASYNC are only meaningful for character + * devices and are safe for use on new files (See LU-812, LU-4209). + */ +#define O_LOV_DELAY_CREATE (O_NOCTTY | FASYNC) + +#define LL_FILE_IGNORE_LOCK 0x00000001 +#define LL_FILE_GROUP_LOCKED 0x00000002 +#define LL_FILE_READAHEA 0x00000004 +#define LL_FILE_LOCKED_DIRECTIO 0x00000008 /* client-side locks with dio */ +#define LL_FILE_LOCKLESS_IO 0x00000010 /* server-side locks with cio */ +#define LL_FILE_RMTACL 0x00000020 + +#define LOV_USER_MAGIC_V1 0x0BD10BD0 +#define LOV_USER_MAGIC LOV_USER_MAGIC_V1 +#define LOV_USER_MAGIC_JOIN_V1 0x0BD20BD0 +#define LOV_USER_MAGIC_V3 0x0BD30BD0 +/* 0x0BD40BD0 is occupied by LOV_MAGIC_MIGRATE */ +#define LOV_USER_MAGIC_SPECIFIC 0x0BD50BD0 /* for specific OSTs */ + +#define LMV_USER_MAGIC 0x0CD30CD0 /*default lmv magic*/ + +#define LOV_PATTERN_RAID0 0x001 +#define LOV_PATTERN_RAID1 0x002 +#define LOV_PATTERN_FIRST 0x100 +#define LOV_PATTERN_CMOBD 0x200 + +#define LOV_PATTERN_F_MASK 0xffff0000 +#define LOV_PATTERN_F_HOLE 0x40000000 /* there is hole in LOV EA */ +#define LOV_PATTERN_F_RELEASED 0x80000000 /* HSM released file */ + +#define LOV_MAXPOOLNAME 15 +#define LOV_POOLNAMEF "%.15s" + +#define LOV_MIN_STRIPE_BITS 16 /* maximum PAGE_SIZE (ia64), power of 2 */ +#define LOV_MIN_STRIPE_SIZE (1 << LOV_MIN_STRIPE_BITS) +#define LOV_MAX_STRIPE_COUNT_OLD 160 +/* This calculation is crafted so that input of 4096 will result in 160 + * which in turn is equal to old maximal stripe count. + * XXX: In fact this is too simplified for now, what it also need is to get + * ea_type argument to clearly know how much space each stripe consumes. + * + * The limit of 12 pages is somewhat arbitrary, but is a reasonably large + * allocation that is sufficient for the current generation of systems. + * + * (max buffer size - lov+rpc header) / sizeof(struct lov_ost_data_v1) + */ +#define LOV_MAX_STRIPE_COUNT 2000 /* ((12 * 4096 - 256) / 24) */ +#define LOV_ALL_STRIPES 0xffff /* only valid for directories */ +#define LOV_V1_INSANE_STRIPE_COUNT 65532 /* maximum stripe count bz13933 */ + +#define XATTR_LUSTRE_PREFIX "lustre." +#define XATTR_LUSTRE_LOV "lustre.lov" + +#define lov_user_ost_data lov_user_ost_data_v1 +struct lov_user_ost_data_v1 { /* per-stripe data structure */ + struct ost_id l_ost_oi; /* OST object ID */ + __u32 l_ost_gen; /* generation of this OST index */ + __u32 l_ost_idx; /* OST index in LOV */ +} __packed; + +#define lov_user_md lov_user_md_v1 +struct lov_user_md_v1 { /* LOV EA user data (host-endian) */ + __u32 lmm_magic; /* magic number = LOV_USER_MAGIC_V1 */ + __u32 lmm_pattern; /* LOV_PATTERN_RAID0, LOV_PATTERN_RAID1 */ + struct ost_id lmm_oi; /* LOV object ID */ + __u32 lmm_stripe_size; /* size of stripe in bytes */ + __u16 lmm_stripe_count; /* num stripes in use for this object */ + union { + __u16 lmm_stripe_offset; /* starting stripe offset in + * lmm_objects, use when writing + */ + __u16 lmm_layout_gen; /* layout generation number + * used when reading + */ + }; + struct lov_user_ost_data_v1 lmm_objects[0]; /* per-stripe data */ +} __attribute__((packed, __may_alias__)); + +struct lov_user_md_v3 { /* LOV EA user data (host-endian) */ + __u32 lmm_magic; /* magic number = LOV_USER_MAGIC_V3 */ + __u32 lmm_pattern; /* LOV_PATTERN_RAID0, LOV_PATTERN_RAID1 */ + struct ost_id lmm_oi; /* LOV object ID */ + __u32 lmm_stripe_size; /* size of stripe in bytes */ + __u16 lmm_stripe_count; /* num stripes in use for this object */ + union { + __u16 lmm_stripe_offset; /* starting stripe offset in + * lmm_objects, use when writing + */ + __u16 lmm_layout_gen; /* layout generation number + * used when reading + */ + }; + char lmm_pool_name[LOV_MAXPOOLNAME + 1]; /* pool name */ + struct lov_user_ost_data_v1 lmm_objects[0]; /* per-stripe data */ +} __packed; + +static inline __u32 lov_user_md_size(__u16 stripes, __u32 lmm_magic) +{ + if (lmm_magic == LOV_USER_MAGIC_V1) + return sizeof(struct lov_user_md_v1) + + stripes * sizeof(struct lov_user_ost_data_v1); + return sizeof(struct lov_user_md_v3) + + stripes * sizeof(struct lov_user_ost_data_v1); +} + +/* Compile with -D_LARGEFILE64_SOURCE or -D_GNU_SOURCE (or #define) to + * use this. It is unsafe to #define those values in this header as it + * is possible the application has already #included <sys/stat.h>. */ +#ifdef HAVE_LOV_USER_MDS_DATA +#define lov_user_mds_data lov_user_mds_data_v1 +struct lov_user_mds_data_v1 { + lstat_t lmd_st; /* MDS stat struct */ + struct lov_user_md_v1 lmd_lmm; /* LOV EA V1 user data */ +} __packed; + +struct lov_user_mds_data_v3 { + lstat_t lmd_st; /* MDS stat struct */ + struct lov_user_md_v3 lmd_lmm; /* LOV EA V3 user data */ +} __packed; +#endif + +struct lmv_user_mds_data { + struct lu_fid lum_fid; + __u32 lum_padding; + __u32 lum_mds; +}; + +enum lmv_hash_type { + LMV_HASH_TYPE_UNKNOWN = 0, /* 0 is reserved for testing purpose */ + LMV_HASH_TYPE_ALL_CHARS = 1, + LMV_HASH_TYPE_FNV_1A_64 = 2, +}; + +#define LMV_HASH_NAME_ALL_CHARS "all_char" +#define LMV_HASH_NAME_FNV_1A_64 "fnv_1a_64" + +/* + * Got this according to how get LOV_MAX_STRIPE_COUNT, see above, + * (max buffer size - lmv+rpc header) / sizeof(struct lmv_user_mds_data) + */ +#define LMV_MAX_STRIPE_COUNT 2000 /* ((12 * 4096 - 256) / 24) */ +#define lmv_user_md lmv_user_md_v1 +struct lmv_user_md_v1 { + __u32 lum_magic; /* must be the first field */ + __u32 lum_stripe_count; /* dirstripe count */ + __u32 lum_stripe_offset; /* MDT idx for default dirstripe */ + __u32 lum_hash_type; /* Dir stripe policy */ + __u32 lum_type; /* LMV type: default or normal */ + __u32 lum_padding1; + __u32 lum_padding2; + __u32 lum_padding3; + char lum_pool_name[LOV_MAXPOOLNAME + 1]; + struct lmv_user_mds_data lum_objects[0]; +} __packed; + +static inline int lmv_user_md_size(int stripes, int lmm_magic) +{ + return sizeof(struct lmv_user_md) + + stripes * sizeof(struct lmv_user_mds_data); +} + +struct ll_recreate_obj { + __u64 lrc_id; + __u32 lrc_ost_idx; +}; + +struct ll_fid { + __u64 id; /* holds object id */ + __u32 generation; /* holds object generation */ + __u32 f_type; /* holds object type or stripe idx when passing it to + * OST for saving into EA. */ +}; + +#define UUID_MAX 40 +struct obd_uuid { + char uuid[UUID_MAX]; +}; + +static inline bool obd_uuid_equals(const struct obd_uuid *u1, + const struct obd_uuid *u2) +{ + return strcmp((char *)u1->uuid, (char *)u2->uuid) == 0; +} + +static inline int obd_uuid_empty(struct obd_uuid *uuid) +{ + return uuid->uuid[0] == '\0'; +} + +static inline void obd_str2uuid(struct obd_uuid *uuid, const char *tmp) +{ + strncpy((char *)uuid->uuid, tmp, sizeof(*uuid)); + uuid->uuid[sizeof(*uuid) - 1] = '\0'; +} + +/* For printf's only, make sure uuid is terminated */ +static inline char *obd_uuid2str(const struct obd_uuid *uuid) +{ + if (!uuid) + return NULL; + + if (uuid->uuid[sizeof(*uuid) - 1] != '\0') { + /* Obviously not safe, but for printfs, no real harm done... + * we're always null-terminated, even in a race. + */ + static char temp[sizeof(*uuid)]; + + memcpy(temp, uuid->uuid, sizeof(*uuid) - 1); + temp[sizeof(*uuid) - 1] = '\0'; + return temp; + } + return (char *)(uuid->uuid); +} + +/* Extract fsname from uuid (or target name) of a target + * e.g. (myfs-OST0007_UUID -> myfs) + * see also deuuidify. + */ +static inline void obd_uuid2fsname(char *buf, char *uuid, int buflen) +{ + char *p; + + strncpy(buf, uuid, buflen - 1); + buf[buflen - 1] = '\0'; + p = strrchr(buf, '-'); + if (p) + *p = '\0'; +} + +/* printf display format + * * usage: printf("file FID is "DFID"\n", PFID(fid)); + */ +#define FID_NOBRACE_LEN 40 +#define FID_LEN (FID_NOBRACE_LEN + 2) +#define DFID_NOBRACE "%#llx:0x%x:0x%x" +#define DFID "[" DFID_NOBRACE "]" +#define PFID(fid) (unsigned long long)(fid)->f_seq, (fid)->f_oid, (fid)->f_ver + +/* scanf input parse format for fids in DFID_NOBRACE format + * Need to strip '[' from DFID format first or use "["SFID"]" at caller. + * usage: sscanf(fidstr, SFID, RFID(&fid)); + */ +#define SFID "0x%llx:0x%x:0x%x" +#define RFID(fid) &((fid)->f_seq), &((fid)->f_oid), &((fid)->f_ver) + +/********* Quotas **********/ + +#define Q_QUOTACHECK 0x800100 /* deprecated as of 2.4 */ +#define Q_INITQUOTA 0x800101 /* deprecated as of 2.4 */ +#define Q_GETOINFO 0x800102 /* get obd quota info */ +#define Q_GETOQUOTA 0x800103 /* get obd quotas */ +#define Q_FINVALIDATE 0x800104 /* deprecated as of 2.4 */ + +/* these must be explicitly translated into linux Q_* in ll_dir_ioctl */ +#define LUSTRE_Q_QUOTAON 0x800002 /* deprecated as of 2.4 */ +#define LUSTRE_Q_QUOTAOFF 0x800003 /* deprecated as of 2.4 */ +#define LUSTRE_Q_GETINFO 0x800005 /* get information about quota files */ +#define LUSTRE_Q_SETINFO 0x800006 /* set information about quota files */ +#define LUSTRE_Q_GETQUOTA 0x800007 /* get user quota structure */ +#define LUSTRE_Q_SETQUOTA 0x800008 /* set user quota structure */ +/* lustre-specific control commands */ +#define LUSTRE_Q_INVALIDATE 0x80000b /* deprecated as of 2.4 */ +#define LUSTRE_Q_FINVALIDATE 0x80000c /* deprecated as of 2.4 */ + +#define UGQUOTA 2 /* set both USRQUOTA and GRPQUOTA */ + +#define IDENTITY_DOWNCALL_MAGIC 0x6d6dd629 + +/* permission */ +#define N_PERMS_MAX 64 + +struct perm_downcall_data { + __u64 pdd_nid; + __u32 pdd_perm; + __u32 pdd_padding; +}; + +struct identity_downcall_data { + __u32 idd_magic; + __u32 idd_err; + __u32 idd_uid; + __u32 idd_gid; + __u32 idd_nperms; + __u32 idd_ngroups; + struct perm_downcall_data idd_perms[N_PERMS_MAX]; + __u32 idd_groups[0]; +}; + +/* lustre volatile file support + * file name header: .^L^S^T^R:volatile" + */ +#define LUSTRE_VOLATILE_HDR ".\x0c\x13\x14\x12:VOLATILE" +#define LUSTRE_VOLATILE_HDR_LEN 14 +/* hdr + MDT index */ +#define LUSTRE_VOLATILE_IDX LUSTRE_VOLATILE_HDR":%.4X:" + +enum lustre_quota_version { + LUSTRE_QUOTA_V2 = 1 +}; + +/* XXX: same as if_dqinfo struct in kernel */ +struct obd_dqinfo { + __u64 dqi_bgrace; + __u64 dqi_igrace; + __u32 dqi_flags; + __u32 dqi_valid; +}; + +/* XXX: same as if_dqblk struct in kernel, plus one padding */ +struct obd_dqblk { + __u64 dqb_bhardlimit; + __u64 dqb_bsoftlimit; + __u64 dqb_curspace; + __u64 dqb_ihardlimit; + __u64 dqb_isoftlimit; + __u64 dqb_curinodes; + __u64 dqb_btime; + __u64 dqb_itime; + __u32 dqb_valid; + __u32 dqb_padding; +}; + +enum { + QC_GENERAL = 0, + QC_MDTIDX = 1, + QC_OSTIDX = 2, + QC_UUID = 3 +}; + +struct if_quotactl { + __u32 qc_cmd; + __u32 qc_type; + __u32 qc_id; + __u32 qc_stat; + __u32 qc_valid; + __u32 qc_idx; + struct obd_dqinfo qc_dqinfo; + struct obd_dqblk qc_dqblk; + char obd_type[16]; + struct obd_uuid obd_uuid; +}; + +/* swap layout flags */ +#define SWAP_LAYOUTS_CHECK_DV1 (1 << 0) +#define SWAP_LAYOUTS_CHECK_DV2 (1 << 1) +#define SWAP_LAYOUTS_KEEP_MTIME (1 << 2) +#define SWAP_LAYOUTS_KEEP_ATIME (1 << 3) +#define SWAP_LAYOUTS_CLOSE (1 << 4) + +/* Swap XATTR_NAME_HSM as well, only on the MDT so far */ +#define SWAP_LAYOUTS_MDS_HSM (1 << 31) +struct lustre_swap_layouts { + __u64 sl_flags; + __u32 sl_fd; + __u32 sl_gid; + __u64 sl_dv1; + __u64 sl_dv2; +}; + +/********* Changelogs **********/ +/** Changelog record types */ +enum changelog_rec_type { + CL_MARK = 0, + CL_CREATE = 1, /* namespace */ + CL_MKDIR = 2, /* namespace */ + CL_HARDLINK = 3, /* namespace */ + CL_SOFTLINK = 4, /* namespace */ + CL_MKNOD = 5, /* namespace */ + CL_UNLINK = 6, /* namespace */ + CL_RMDIR = 7, /* namespace */ + CL_RENAME = 8, /* namespace */ + CL_EXT = 9, /* namespace extended record (2nd half of rename) */ + CL_OPEN = 10, /* not currently used */ + CL_CLOSE = 11, /* may be written to log only with mtime change */ + CL_LAYOUT = 12, /* file layout/striping modified */ + CL_TRUNC = 13, + CL_SETATTR = 14, + CL_XATTR = 15, + CL_HSM = 16, /* HSM specific events, see flags */ + CL_MTIME = 17, /* Precedence: setattr > mtime > ctime > atime */ + CL_CTIME = 18, + CL_ATIME = 19, + CL_LAST +}; + +static inline const char *changelog_type2str(int type) +{ + static const char *changelog_str[] = { + "MARK", "CREAT", "MKDIR", "HLINK", "SLINK", "MKNOD", "UNLNK", + "RMDIR", "RENME", "RNMTO", "OPEN", "CLOSE", "LYOUT", "TRUNC", + "SATTR", "XATTR", "HSM", "MTIME", "CTIME", "ATIME", + }; + + if (type >= 0 && type < CL_LAST) + return changelog_str[type]; + return NULL; +} + +/* per-record flags */ +#define CLF_FLAGSHIFT 12 +#define CLF_FLAGMASK ((1U << CLF_FLAGSHIFT) - 1) +#define CLF_VERMASK (~CLF_FLAGMASK) +enum changelog_rec_flags { + CLF_VERSION = 0x1000, + CLF_RENAME = 0x2000, + CLF_JOBID = 0x4000, + CLF_SUPPORTED = CLF_VERSION | CLF_RENAME | CLF_JOBID +}; + +/* Anything under the flagmask may be per-type (if desired) */ +/* Flags for unlink */ +#define CLF_UNLINK_LAST 0x0001 /* Unlink of last hardlink */ +#define CLF_UNLINK_HSM_EXISTS 0x0002 /* File has something in HSM */ + /* HSM cleaning needed */ +/* Flags for rename */ +#define CLF_RENAME_LAST 0x0001 /* rename unlink last hardlink of + * target + */ +#define CLF_RENAME_LAST_EXISTS 0x0002 /* rename unlink last hardlink of target + * has an archive in backend + */ + +/* Flags for HSM */ +/* 12b used (from high weight to low weight): + * 2b for flags + * 3b for event + * 7b for error code + */ +#define CLF_HSM_ERR_L 0 /* HSM return code, 7 bits */ +#define CLF_HSM_ERR_H 6 +#define CLF_HSM_EVENT_L 7 /* HSM event, 3 bits, see enum hsm_event */ +#define CLF_HSM_EVENT_H 9 +#define CLF_HSM_FLAG_L 10 /* HSM flags, 2 bits, 1 used, 1 spare */ +#define CLF_HSM_FLAG_H 11 +#define CLF_HSM_SPARE_L 12 /* 4 spare bits */ +#define CLF_HSM_SPARE_H 15 +#define CLF_HSM_LAST 15 + +/* Remove bits higher than _h, then extract the value + * between _h and _l by shifting lower weigth to bit 0. + */ +#define CLF_GET_BITS(_b, _h, _l) (((_b << (CLF_HSM_LAST - _h)) & 0xFFFF) \ + >> (CLF_HSM_LAST - _h + _l)) + +#define CLF_HSM_SUCCESS 0x00 +#define CLF_HSM_MAXERROR 0x7E +#define CLF_HSM_ERROVERFLOW 0x7F + +#define CLF_HSM_DIRTY 1 /* file is dirty after HSM request end */ + +/* 3 bits field => 8 values allowed */ +enum hsm_event { + HE_ARCHIVE = 0, + HE_RESTORE = 1, + HE_CANCEL = 2, + HE_RELEASE = 3, + HE_REMOVE = 4, + HE_STATE = 5, + HE_SPARE1 = 6, + HE_SPARE2 = 7, +}; + +static inline enum hsm_event hsm_get_cl_event(__u16 flags) +{ + return CLF_GET_BITS(flags, CLF_HSM_EVENT_H, CLF_HSM_EVENT_L); +} + +static inline void hsm_set_cl_event(int *flags, enum hsm_event he) +{ + *flags |= (he << CLF_HSM_EVENT_L); +} + +static inline __u16 hsm_get_cl_flags(int flags) +{ + return CLF_GET_BITS(flags, CLF_HSM_FLAG_H, CLF_HSM_FLAG_L); +} + +static inline void hsm_set_cl_flags(int *flags, int bits) +{ + *flags |= (bits << CLF_HSM_FLAG_L); +} + +static inline int hsm_get_cl_error(int flags) +{ + return CLF_GET_BITS(flags, CLF_HSM_ERR_H, CLF_HSM_ERR_L); +} + +static inline void hsm_set_cl_error(int *flags, int error) +{ + *flags |= (error << CLF_HSM_ERR_L); +} + +enum changelog_send_flag { + /* Not yet implemented */ + CHANGELOG_FLAG_FOLLOW = 0x01, + /* + * 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. + */ + CHANGELOG_FLAG_BLOCK = 0x02, + /* Pack jobid into the changelog records if available. */ + CHANGELOG_FLAG_JOBID = 0x04, +}; + +#define CR_MAXSIZE cfs_size_round(2 * NAME_MAX + 2 + \ + changelog_rec_offset(CLF_SUPPORTED)) + +/* 31 usable bytes string + null terminator. */ +#define LUSTRE_JOBID_SIZE 32 + +/* + * This is the minimal changelog record. It can contain extensions + * such as rename fields or process jobid. Its exact content is described + * by the cr_flags. + * + * Extensions are packed in the same order as their corresponding flags. + */ +struct changelog_rec { + __u16 cr_namelen; + __u16 cr_flags; /**< \a changelog_rec_flags */ + __u32 cr_type; /**< \a changelog_rec_type */ + __u64 cr_index; /**< changelog record number */ + __u64 cr_prev; /**< last index for this target fid */ + __u64 cr_time; + union { + struct lu_fid cr_tfid; /**< target fid */ + __u32 cr_markerflags; /**< CL_MARK flags */ + }; + struct lu_fid cr_pfid; /**< parent fid */ +} __packed; + +/* Changelog extension for RENAME. */ +struct changelog_ext_rename { + struct lu_fid cr_sfid; /**< source fid, or zero */ + struct lu_fid cr_spfid; /**< source parent fid, or zero */ +}; + +/* Changelog extension to include JOBID. */ +struct changelog_ext_jobid { + char cr_jobid[LUSTRE_JOBID_SIZE]; /**< zero-terminated string. */ +}; + +static inline size_t changelog_rec_offset(enum changelog_rec_flags crf) +{ + size_t size = sizeof(struct changelog_rec); + + if (crf & CLF_RENAME) + size += sizeof(struct changelog_ext_rename); + + if (crf & CLF_JOBID) + size += sizeof(struct changelog_ext_jobid); + + return size; +} + +static inline size_t changelog_rec_size(struct changelog_rec *rec) +{ + return changelog_rec_offset(rec->cr_flags); +} + +static inline size_t changelog_rec_varsize(struct changelog_rec *rec) +{ + return changelog_rec_size(rec) - sizeof(*rec) + rec->cr_namelen; +} + +static inline +struct changelog_ext_rename *changelog_rec_rename(struct changelog_rec *rec) +{ + enum changelog_rec_flags crf = rec->cr_flags & CLF_VERSION; + + return (struct changelog_ext_rename *)((char *)rec + + changelog_rec_offset(crf)); +} + +/* The jobid follows the rename extension, if present */ +static inline +struct changelog_ext_jobid *changelog_rec_jobid(struct changelog_rec *rec) +{ + enum changelog_rec_flags crf = rec->cr_flags & + (CLF_VERSION | CLF_RENAME); + + return (struct changelog_ext_jobid *)((char *)rec + + changelog_rec_offset(crf)); +} + +/* The name follows the rename and jobid extensions, if present */ +static inline char *changelog_rec_name(struct changelog_rec *rec) +{ + return (char *)rec + changelog_rec_offset(rec->cr_flags & + CLF_SUPPORTED); +} + +static inline size_t changelog_rec_snamelen(struct changelog_rec *rec) +{ + return rec->cr_namelen - strlen(changelog_rec_name(rec)) - 1; +} + +static inline char *changelog_rec_sname(struct changelog_rec *rec) +{ + char *cr_name = changelog_rec_name(rec); + + return cr_name + strlen(cr_name) + 1; +} + +/** + * Remap a record to the desired format as specified by the crf flags. + * The record must be big enough to contain the final remapped version. + * Superfluous extension fields are removed and missing ones are added + * and zeroed. The flags of the record are updated accordingly. + * + * The jobid and rename extensions can be added to a record, to match the + * format an application expects, typically. In this case, the newly added + * fields will be zeroed. + * The Jobid field can be removed, to guarantee compatibility with older + * clients that don't expect this field in the records they process. + * + * The following assumptions are being made: + * - CLF_RENAME will not be removed + * - CLF_JOBID will not be added without CLF_RENAME being added too + * + * @param[in,out] rec The record to remap. + * @param[in] crf_wanted Flags describing the desired extensions. + */ +static inline void changelog_remap_rec(struct changelog_rec *rec, + enum changelog_rec_flags crf_wanted) +{ + char *jid_mov, *rnm_mov; + + crf_wanted &= CLF_SUPPORTED; + + if ((rec->cr_flags & CLF_SUPPORTED) == crf_wanted) + return; + + /* First move the variable-length name field */ + memmove((char *)rec + changelog_rec_offset(crf_wanted), + changelog_rec_name(rec), rec->cr_namelen); + + /* Locations of jobid and rename extensions in the remapped record */ + jid_mov = (char *)rec + + changelog_rec_offset(crf_wanted & ~CLF_JOBID); + rnm_mov = (char *)rec + + changelog_rec_offset(crf_wanted & ~(CLF_JOBID | CLF_RENAME)); + + /* Move the extension fields to the desired positions */ + if ((crf_wanted & CLF_JOBID) && (rec->cr_flags & CLF_JOBID)) + memmove(jid_mov, changelog_rec_jobid(rec), + sizeof(struct changelog_ext_jobid)); + + if ((crf_wanted & CLF_RENAME) && (rec->cr_flags & CLF_RENAME)) + memmove(rnm_mov, changelog_rec_rename(rec), + sizeof(struct changelog_ext_rename)); + + /* Clear newly added fields */ + if ((crf_wanted & CLF_JOBID) && !(rec->cr_flags & CLF_JOBID)) + memset(jid_mov, 0, sizeof(struct changelog_ext_jobid)); + + if ((crf_wanted & CLF_RENAME) && !(rec->cr_flags & CLF_RENAME)) + memset(rnm_mov, 0, sizeof(struct changelog_ext_rename)); + + /* Update the record's flags accordingly */ + rec->cr_flags = (rec->cr_flags & CLF_FLAGMASK) | crf_wanted; +} + +struct ioc_changelog { + __u64 icc_recno; + __u32 icc_mdtindex; + __u32 icc_id; + __u32 icc_flags; +}; + +enum changelog_message_type { + CL_RECORD = 10, /* message is a changelog_rec */ + CL_EOF = 11, /* at end of current changelog */ +}; + +/********* Misc **********/ + +struct ioc_data_version { + __u64 idv_version; + __u64 idv_flags; /* See LL_DV_xxx */ +}; + +#define LL_DV_RD_FLUSH (1 << 0) /* Flush dirty pages from clients */ +#define LL_DV_WR_FLUSH (1 << 1) /* Flush all caching pages from clients */ + +#ifndef offsetof +# define offsetof(typ, memb) ((unsigned long)((char *)&(((typ *)0)->memb))) +#endif + +#define dot_lustre_name ".lustre" + +/********* HSM **********/ + +/** HSM per-file state + * See HSM_FLAGS below. + */ +enum hsm_states { + HS_NONE = 0x00000000, + HS_EXISTS = 0x00000001, + HS_DIRTY = 0x00000002, + HS_RELEASED = 0x00000004, + HS_ARCHIVED = 0x00000008, + HS_NORELEASE = 0x00000010, + HS_NOARCHIVE = 0x00000020, + HS_LOST = 0x00000040, +}; + +/* HSM user-setable flags. */ +#define HSM_USER_MASK (HS_NORELEASE | HS_NOARCHIVE | HS_DIRTY) + +/* Other HSM flags. */ +#define HSM_STATUS_MASK (HS_EXISTS | HS_LOST | HS_RELEASED | HS_ARCHIVED) + +/* + * All HSM-related possible flags that could be applied to a file. + * This should be kept in sync with hsm_states. + */ +#define HSM_FLAGS_MASK (HSM_USER_MASK | HSM_STATUS_MASK) + +/** + * HSMÂ request progress state + */ +enum hsm_progress_states { + HPS_WAITING = 1, + HPS_RUNNING = 2, + HPS_DONE = 3, +}; + +#define HPS_NONE 0 + +static inline char *hsm_progress_state2name(enum hsm_progress_states s) +{ + switch (s) { + case HPS_WAITING: return "waiting"; + case HPS_RUNNING: return "running"; + case HPS_DONE: return "done"; + default: return "unknown"; + } +} + +struct hsm_extent { + __u64 offset; + __u64 length; +} __packed; + +/** + * Current HSM states of a Lustre file. + * + * This structure purpose is to be sent to user-space mainly. It describes the + * current HSM flags and in-progress action. + */ +struct hsm_user_state { + /** Current HSM states, from enum hsm_states. */ + __u32 hus_states; + __u32 hus_archive_id; + /** The current undergoing action, if there is one */ + __u32 hus_in_progress_state; + __u32 hus_in_progress_action; + struct hsm_extent hus_in_progress_location; + char hus_extended_info[]; +}; + +struct hsm_state_set_ioc { + struct lu_fid hssi_fid; + __u64 hssi_setmask; + __u64 hssi_clearmask; +}; + +/* + * This structure describes the current in-progress action for a file. + * it is returned to user space and send over the wire + */ +struct hsm_current_action { + /** The current undergoing action, if there is one */ + /* state is one of hsm_progress_states */ + __u32 hca_state; + /* action is one of hsm_user_action */ + __u32 hca_action; + struct hsm_extent hca_location; +}; + +/***** HSM user requests ******/ +/* User-generated (lfs/ioctl) request types */ +enum hsm_user_action { + HUA_NONE = 1, /* no action (noop) */ + HUA_ARCHIVE = 10, /* copy to hsm */ + HUA_RESTORE = 11, /* prestage */ + HUA_RELEASE = 12, /* drop ost objects */ + HUA_REMOVE = 13, /* remove from archive */ + HUA_CANCEL = 14 /* cancel a request */ +}; + +static inline char *hsm_user_action2name(enum hsm_user_action a) +{ + switch (a) { + case HUA_NONE: return "NOOP"; + case HUA_ARCHIVE: return "ARCHIVE"; + case HUA_RESTORE: return "RESTORE"; + case HUA_RELEASE: return "RELEASE"; + case HUA_REMOVE: return "REMOVE"; + case HUA_CANCEL: return "CANCEL"; + default: return "UNKNOWN"; + } +} + +/* + * List of hr_flags (bit field) + */ +#define HSM_FORCE_ACTION 0x0001 +/* used by CT, connot be set by user */ +#define HSM_GHOST_COPY 0x0002 + +/** + * Contains all the fixed part of struct hsm_user_request. + * + */ +struct hsm_request { + __u32 hr_action; /* enum hsm_user_action */ + __u32 hr_archive_id; /* archive id, used only with HUA_ARCHIVE */ + __u64 hr_flags; /* request flags */ + __u32 hr_itemcount; /* item count in hur_user_item vector */ + __u32 hr_data_len; +}; + +struct hsm_user_item { + struct lu_fid hui_fid; + struct hsm_extent hui_extent; +} __packed; + +struct hsm_user_request { + struct hsm_request hur_request; + struct hsm_user_item hur_user_item[0]; + /* extra data blob at end of struct (after all + * hur_user_items), only use helpers to access it + */ +} __packed; + +/** Return pointer to data field in a hsm user request */ +static inline void *hur_data(struct hsm_user_request *hur) +{ + return &hur->hur_user_item[hur->hur_request.hr_itemcount]; +} + +/** + * Compute the current length of the provided hsm_user_request. This returns -1 + * instead of an errno because ssize_t is defined to be only [ -1, SSIZE_MAX ] + * + * return -1 on bounds check error. + */ +static inline ssize_t hur_len(struct hsm_user_request *hur) +{ + __u64 size; + + /* can't overflow a __u64 since hr_itemcount is only __u32 */ + size = offsetof(struct hsm_user_request, hur_user_item[0]) + + (__u64)hur->hur_request.hr_itemcount * + sizeof(hur->hur_user_item[0]) + hur->hur_request.hr_data_len; + + if (size != (ssize_t)size) + return -1; + + return size; +} + +/****** HSM RPCs to copytool *****/ +/* Message types the copytool may receive */ +enum hsm_message_type { + HMT_ACTION_LIST = 100, /* message is a hsm_action_list */ +}; + +/* Actions the copytool may be instructed to take for a given action_item */ +enum hsm_copytool_action { + HSMA_NONE = 10, /* no action */ + HSMA_ARCHIVE = 20, /* arbitrary offset */ + HSMA_RESTORE = 21, + HSMA_REMOVE = 22, + HSMA_CANCEL = 23 +}; + +static inline char *hsm_copytool_action2name(enum hsm_copytool_action a) +{ + switch (a) { + case HSMA_NONE: return "NOOP"; + case HSMA_ARCHIVE: return "ARCHIVE"; + case HSMA_RESTORE: return "RESTORE"; + case HSMA_REMOVE: return "REMOVE"; + case HSMA_CANCEL: return "CANCEL"; + default: return "UNKNOWN"; + } +} + +/* Copytool item action description */ +struct hsm_action_item { + __u32 hai_len; /* valid size of this struct */ + __u32 hai_action; /* hsm_copytool_action, but use known size */ + struct lu_fid hai_fid; /* Lustre FID to operated on */ + struct lu_fid hai_dfid; /* fid used for data access */ + struct hsm_extent hai_extent; /* byte range to operate on */ + __u64 hai_cookie; /* action cookie from coordinator */ + __u64 hai_gid; /* grouplock id */ + char hai_data[0]; /* variable length */ +} __packed; + +/* + * helper function which print in hexa the first bytes of + * hai opaque field + * \param hai [IN] record to print + * \param buffer [OUT] output buffer + * \param len [IN] max buffer len + * \retval buffer + */ +static inline char *hai_dump_data_field(struct hsm_action_item *hai, + char *buffer, size_t len) +{ + int i, data_len; + char *ptr; + + ptr = buffer; + data_len = hai->hai_len - sizeof(*hai); + for (i = 0; (i < data_len) && (len > 2); i++) { + snprintf(ptr, 3, "%02X", (unsigned char)hai->hai_data[i]); + ptr += 2; + len -= 2; + } + + *ptr = '\0'; + + return buffer; +} + +/* Copytool action list */ +#define HAL_VERSION 1 +#define HAL_MAXSIZE LNET_MTU /* bytes, used in userspace only */ +struct hsm_action_list { + __u32 hal_version; + __u32 hal_count; /* number of hai's to follow */ + __u64 hal_compound_id; /* returned by coordinator */ + __u64 hal_flags; + __u32 hal_archive_id; /* which archive backend */ + __u32 padding1; + char hal_fsname[0]; /* null-terminated */ + /* struct hsm_action_item[hal_count] follows, aligned on 8-byte + * boundaries. See hai_first + */ +} __packed; + +#ifndef HAVE_CFS_SIZE_ROUND +static inline int cfs_size_round(int val) +{ + return (val + 7) & (~0x7); +} + +#define HAVE_CFS_SIZE_ROUND +#endif + +/* Return pointer to first hai in action list */ +static inline struct hsm_action_item *hai_first(struct hsm_action_list *hal) +{ + return (struct hsm_action_item *)(hal->hal_fsname + + cfs_size_round(strlen(hal-> \ + hal_fsname) + + 1)); +} + +/* Return pointer to next hai */ +static inline struct hsm_action_item *hai_next(struct hsm_action_item *hai) +{ + return (struct hsm_action_item *)((char *)hai + + cfs_size_round(hai->hai_len)); +} + +/* Return size of an hsm_action_list */ +static inline int hal_size(struct hsm_action_list *hal) +{ + int i, sz; + struct hsm_action_item *hai; + + sz = sizeof(*hal) + cfs_size_round(strlen(hal->hal_fsname) + 1); + hai = hai_first(hal); + for (i = 0; i < hal->hal_count; i++, hai = hai_next(hai)) + sz += cfs_size_round(hai->hai_len); + + return sz; +} + +/* HSM file import + * describe the attributes to be set on imported file + */ +struct hsm_user_import { + __u64 hui_size; + __u64 hui_atime; + __u64 hui_mtime; + __u32 hui_atime_ns; + __u32 hui_mtime_ns; + __u32 hui_uid; + __u32 hui_gid; + __u32 hui_mode; + __u32 hui_archive_id; +}; + +/* Copytool progress reporting */ +#define HP_FLAG_COMPLETED 0x01 +#define HP_FLAG_RETRY 0x02 + +struct hsm_progress { + struct lu_fid hp_fid; + __u64 hp_cookie; + struct hsm_extent hp_extent; + __u16 hp_flags; + __u16 hp_errval; /* positive val */ + __u32 padding; +}; + +struct hsm_copy { + __u64 hc_data_version; + __u16 hc_flags; + __u16 hc_errval; /* positive val */ + __u32 padding; + struct hsm_action_item hc_hai; +}; + +/** @} lustreuser */ + +#endif /* _LUSTRE_USER_H */ |