/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=8:tabstop=8: * * This file is part of Lustre, http://www.lustre.org * * Lustre public user-space interface definitions. */ #ifndef _LUSTRE_USER_H #define _LUSTRE_USER_H #if defined(__linux__) #include #elif defined(__APPLE__) #include #elif defined(__WINNT__) #include #else #error Unsupported operating system. #endif /* for statfs() */ #define LL_SUPER_MAGIC 0x0BD00BD0 #ifndef EXT3_IOC_GETFLAGS #define EXT3_IOC_GETFLAGS _IOR('f', 1, long) #define EXT3_IOC_SETFLAGS _IOW('f', 2, long) #define EXT3_IOC_GETVERSION _IOR('f', 3, long) #define EXT3_IOC_SETVERSION _IOW('f', 4, long) #define EXT3_IOC_GETVERSION_OLD _IOR('v', 1, long) #define EXT3_IOC_SETVERSION_OLD _IOW('v', 2, long) #endif struct obd_statfs; /* * 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 */ #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) #define LL_IOC_RECREATE_OBJ _IOW ('f', 157, long) #define LL_IOC_GROUP_LOCK _IOW ('f', 158, long) #define LL_IOC_GROUP_UNLOCK _IOW ('f', 159, long) #define LL_IOC_QUOTACHECK _IOW ('f', 160, int) #define LL_IOC_POLL_QUOTACHECK _IOR ('f', 161, struct if_quotacheck *) #define LL_IOC_QUOTACTL _IOWR('f', 162, struct if_quotactl *) #define LL_IOC_JOIN _IOW ('f', 163, long) #define IOC_OBD_STATFS _IOWR('f', 164, struct obd_statfs *) #define IOC_LOV_GETINFO _IOWR('f', 165, struct lov_user_mds_data *) #define LL_IOC_FLUSHCTX _IOW ('f', 166, long) #define LL_IOC_GETFACL _IOWR('f', 167, struct rmtacl_ioctl_data *) #define LL_IOC_SETFACL _IOWR('f', 168, struct rmtacl_ioctl_data *) #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, long) #define LL_IOC_LLOOP_DETACH_BYDEV _IOWR('f', 172, long) #define LL_STATFS_MDC 1 #define LL_STATFS_LOV 2 #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 *) /* Keep these for backward compartability. */ #define LL_IOC_OBD_STATFS IOC_OBD_STATFS #define IOC_MDC_GETSTRIPE IOC_MDC_GETFILESTRIPE /* Do not define O_CHECK_STALE as 0200000000, * which is conflict with MDS_OPEN_OWNEROVERRIDE */ #define O_CHECK_STALE 020000000 /* hopefully this does not conflict */ #define O_LOV_DELAY_CREATE 0100000000 /* hopefully this does not conflict */ #define O_JOIN_FILE 0400000000 /* hopefully this does not conflict */ #define LL_FILE_IGNORE_LOCK 0x00000001 #define LL_FILE_GROUP_LOCKED 0x00000002 #define LL_FILE_READAHEAD 0x00000004 #define LOV_USER_MAGIC_V1 0x0BD10BD0 #define LOV_USER_MAGIC LOV_USER_MAGIC_V1 #define LOV_USER_MAGIC_JOIN 0x0BD20BD0 #define LOV_PATTERN_RAID0 0x001 #define LOV_PATTERN_RAID1 0x002 #define LOV_PATTERN_FIRST 0x100 #define lov_user_ost_data lov_user_ost_data_v1 struct lov_user_ost_data_v1 { /* per-stripe data structure */ __u64 l_object_id; /* OST object ID */ __u64 l_object_gr; /* OST object group (creating MDS number) */ __u32 l_ost_gen; /* generation of this OST index */ __u32 l_ost_idx; /* OST index in LOV */ } __attribute__((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 */ __u64 lmm_object_id; /* LOV object ID */ __u64 lmm_object_gr; /* LOV object group */ __u32 lmm_stripe_size; /* size of stripe in bytes */ __u16 lmm_stripe_count; /* num stripes in use for this object */ __u16 lmm_stripe_offset; /* starting stripe offset in lmm_objects */ struct lov_user_ost_data_v1 lmm_objects[0]; /* per-stripe data */ } __attribute__((packed)); /* 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 . */ #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 user data */ } __attribute__((packed)); #endif struct ll_recreate_obj { __u64 lrc_id; __u64 lrc_group; __u32 lrc_ost_idx; }; struct obd_uuid { __u8 uuid[40]; }; static inline int obd_uuid_equals(struct obd_uuid *u1, 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(struct obd_uuid *uuid) { 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); } #define LUSTRE_Q_QUOTAON 0x800002 /* turn quotas on */ #define LUSTRE_Q_QUOTAOFF 0x800003 /* turn quotas off */ #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 */ #define UGQUOTA 2 /* set both USRQUOTA and GRPQUOTA */ #define QFMT_LDISKFS 2 /* QFMT_VFS_V0(2), quota format for ldiskfs */ struct if_quotacheck { __u8 obd_type[16]; struct obd_uuid obd_uuid; }; #define IDENTITY_DOWNCALL_MAGIC 0x6d6dd620 /* setxid permission */ #define N_SETXID_PERMS_MAX 64 struct setxid_perm_downcall_data { __u64 pdd_nid; __u32 pdd_perm; }; struct identity_downcall_data { __u32 idd_magic; __u32 idd_err; __u32 idd_uid; __u32 idd_gid; __u32 idd_nperms; struct setxid_perm_downcall_data idd_perms[N_SETXID_PERMS_MAX]; __u32 idd_ngroups; __u32 idd_groups[0]; }; #define RMTACL_DOWNCALL_MAGIC 0x6d6dd620 #define RMTACL_SIZE_MAX (4096) struct rmtacl_downcall_data { __u32 add_magic; __u32 add_handle; __u64 add_key; __u32 add_buflen; __u32 add_padding; __u8 add_buf[0]; }; #ifdef NEED_QUOTA_DEFS #ifndef QUOTABLOCK_BITS #define QUOTABLOCK_BITS 10 #endif #ifndef QUOTABLOCK_SIZE #define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS) #endif #ifndef toqb #define toqb(x) (((x) + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS) #endif #ifndef QIF_BLIMITS #define QIF_BLIMITS 1 #define QIF_SPACE 2 #define QIF_ILIMITS 4 #define QIF_INODES 8 #define QIF_BTIME 16 #define QIF_ITIME 32 #define QIF_LIMITS (QIF_BLIMITS | QIF_ILIMITS) #define QIF_USAGE (QIF_SPACE | QIF_INODES) #define QIF_TIMES (QIF_BTIME | QIF_ITIME) #define QIF_ALL (QIF_LIMITS | QIF_USAGE | QIF_TIMES) #endif #endif /* !__KERNEL__ */ /* 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 padding; }; struct if_quotactl { __u32 qc_cmd; __u32 qc_type; __u32 qc_id; __u32 qc_stat; struct obd_dqinfo qc_dqinfo; struct obd_dqblk qc_dqblk; __u8 obd_type[16]; struct obd_uuid obd_uuid; }; #ifndef offsetof # define offsetof(typ,memb) ((unsigned long)((char *)&(((typ *)0)->memb))) #endif /* remote acl ioctl */ struct rmtacl_ioctl_data { char *cmd; /* IN */ unsigned long cmd_len; char *res; /* OUT */ unsigned long res_len; }; #endif /* _LUSTRE_USER_H */