* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
#ifndef _LUSTRE_USER_H
#define _LUSTRE_USER_H
+/** \defgroup lustreuser lustreuser
+ *
+ * @{
+ */
+
#include <lustre/ll_fiemap.h>
#if defined(__linux__)
#include <linux/lustre_user.h>
/* 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)
-#define EXT3_IOC_FIEMAP _IOWR('f', 11, struct ll_user_fiemap)
+#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)
+#define FSFILT_IOC_FIEMAP _IOWR('f', 11, struct ll_user_fiemap)
#endif
/* FIEMAP flags supported by Lustre */
#define LUSTRE_FIEMAP_FLAGS_COMPAT (FIEMAP_FLAG_SYNC | FIEMAP_FLAG_DEVICE_ORDER)
-struct obd_statfs;
+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_spare1;
+ __u32 os_spare2;
+ __u32 os_spare3;
+ __u32 os_spare4;
+ __u32 os_spare5;
+ __u32 os_spare6;
+ __u32 os_spare7;
+ __u32 os_spare8;
+ __u32 os_spare9;
+};
+
-/*
+/*
* 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)
* *STRIPE* - set/get lov_user_md
* *INFO - set/get lov_user_mds_data
*/
+/* see <lustre_obd.h> for ioctl numberss 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_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_RECREATE_FID _IOW ('f', 157, struct lu_fid)
#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_RMTACL _IOW ('f', 167, long)
-
#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, long)
#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)
+#define LL_IOC_HSM_CT_START _IOW ('f', 176,struct lustre_kernelcomm)
+/* see <lustre_obd.h> for ioctl numbers 177-210 */
+
#define LL_STATFS_MDC 1
#define LL_STATFS_LOV 2
#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 LOV_USER_MAGIC_V1 0x0BD10BD0
#define LOV_USER_MAGIC LOV_USER_MAGIC_V1
-#define LOV_USER_MAGIC_JOIN 0x0BD20BD0
+#define LOV_USER_MAGIC_JOIN_V1 0x0BD20BD0
#define LOV_USER_MAGIC_V3 0x0BD30BD0
#define LOV_PATTERN_RAID0 0x001
#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) */
+ __u64 l_object_seq; /* OST object seq number */
__u32 l_ost_gen; /* generation of this OST index */
__u32 l_ost_idx; /* OST index in LOV */
} __attribute__((packed));
__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 */
+ __u64 lmm_object_seq; /* LOV object seq */
__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 */
__u32 lmm_magic; /* magic number = LOV_USER_MAGIC_V3 */
__u32 lmm_pattern; /* LOV_PATTERN_RAID0, LOV_PATTERN_RAID1 */
__u64 lmm_object_id; /* LOV object ID */
- __u64 lmm_object_gr; /* LOV object group */
+ __u64 lmm_object_seq; /* LOV object seq */
__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));
-#define copy_lov_mds2user(user_md, mds_md) do { \
- memcpy(user_md, mds_md, sizeof(*(user_md))); \
- (user_md)->lmm_stripe_offset = 0; \
- (user_md)->lmm_stripe_count = (mds_md)->lmm_stripe_count; } while(0)
-
/* 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>. */
struct ll_recreate_obj {
__u64 lrc_id;
- __u64 lrc_group;
__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. */
+};
+
struct obd_uuid {
char uuid[40];
};
}
/* For printf's only, make sure uuid is terminated */
-static inline char *obd_uuid2str(struct obd_uuid *uuid)
+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...
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';
+}
+
+/**
+ * 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;
+};
+
+struct filter_fid {
+ struct lu_fid ff_parent; /* ff_parent.f_ver == file stripe number */
+ __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. */
+typedef struct lu_fid lustre_fid;
+
+/* printf display format
+ e.g. printf("file FID is "DFID"\n", PFID(fid)); */
+#define DFID "["LPX64":0x%x:0x%x]"
+#define PFID(fid) \
+ (fid)->f_seq, \
+ (fid)->f_oid, \
+ (fid)->f_ver
+
+/* scanf input parse format -- strip '[' first.
+ e.g. sscanf(fidstr, SFID, RFID(&fid)); */
+/* #define SFID "0x"LPX64i":0x"LPSZX":0x"LPSZX""
+liblustreapi.c:2893: warning: format '%lx' expects type 'long unsigned int *', but argument 4 has type 'unsigned int *'
+liblustreapi.c:2893: warning: format '%lx' expects type 'long unsigned int *', but argument 5 has type 'unsigned int *'
+*/
+#define SFID "0x"LPX64i":0x%x:0x%x"
+#define RFID(fid) \
+ &((fid)->f_seq), \
+ &((fid)->f_oid), \
+ &((fid)->f_ver)
+
+
+/********* Quotas **********/
+
/* these must be explicitly translated into linux Q_* in ll_dir_ioctl */
#define LUSTRE_Q_QUOTAON 0x800002 /* turn quotas on */
#define LUSTRE_Q_QUOTAOFF 0x800003 /* turn quotas off */
};
#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
struct obd_uuid obd_uuid;
};
+
+/********* 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_IOCTL = 12,
+ 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", "RNMFM", "RNMTO", "OPEN", "CLOSE", "IOCTL", "TRUNC",
+ "SATTR", "XATTR", "HSM", "MTIME", "CTIME", "ATIME" };
+ if (type >= 0 && type < CL_LAST)
+ return changelog_str[type];
+ return NULL;
+}
+
+/* per-record flags */
+#define CLF_VERSION 0x1000
+#define CLF_FLAGMASK 0x0FFF
+/* Anything under the flagmask may be per-type (if desired) */
+
+#define CR_MAXSIZE (PATH_MAX + sizeof(struct changelog_rec))
+struct changelog_rec {
+ __u16 cr_namelen;
+ __u16 cr_flags; /**< (flags&CLF_FLAGMASK)|CLF_VERSION */
+ __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 {
+ lustre_fid cr_tfid; /**< target fid */
+ __u32 cr_markerflags; /**< CL_MARK flags */
+ };
+ lustre_fid cr_pfid; /**< parent fid */
+ char cr_name[0]; /**< last element */
+} __attribute__((packed));
+
+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 **********/
+
#ifndef offsetof
# define offsetof(typ,memb) ((unsigned long)((char *)&(((typ *)0)->memb)))
#endif
-#define mdd_dot_lustre_name ".lustre"
+#define dot_lustre_name ".lustre"
+
+
+/********* HSM **********/
+
+
+#define HSM_FLAGS_MASK 0
+
+
+enum hsm_message_type {
+ HMT_ACTION_LIST = 100, /* message is a hsm_action_list */
+};
+
+/* User-generated (ioctl) request types */
+enum hsm_request {
+ HSMR_ARCHIVE = 10, /* copy to hsm */
+ HSMR_RESTORE = 11, /* prestage */
+ HSMR_RELEASE = 12, /* drop ost objects */
+ HSMR_REMOVE = 13, /* remove from archive */
+ HSMR_CANCEL = 14
+};
+
+/* Copytool commands */
+enum hsm_action {
+ HSMA_ARCHIVE = 20, /* arbitrary offset */
+ HSMA_RESTORE = 21,
+ HSMA_REMOVE = 22,
+ HSMA_CANCEL = 23
+};
+
+/* Copytool item action description */
+struct hsm_action_item {
+ __u32 hai_len; /* valid size of this struct */
+ __u32 hai_action; /* enum actually, but use known size */
+ lustre_fid hai_fid; /* Lustre FID to operated on */
+ __u64 hai_cookie; /* action cookie from coordinator */
+ __u64 hai_extent_start; /* byte range to operate on */
+ __u64 hai_extent_end;
+ __u64 hai_gid; /* grouplock id */
+ char hai_data[0]; /* variable length */
+} __attribute__((packed));
+
+/* Copytool action list */
+#define HAL_VERSION 1
+#define HAL_MAXSIZE 4096 /* bytes, used in userspace only */
+struct hsm_action_list {
+ __u32 hal_version;
+ __u32 hal_count; /* number of hai's to follow */
+ __u32 hal_archive_num; /* 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_zero */
+} __attribute__((packed));
+
+/* Return pointer to first hai in action list */
+static __inline__ struct hsm_action_item * hai_zero(struct hsm_action_list *hal)
+{
+ return (struct hsm_action_item *)(hal->hal_fsname +
+ cfs_size_round(strlen(hal-> \
+ hal_fsname)));
+}
+/* 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));
+}
+
+/** @} lustreuser */
#endif /* _LUSTRE_USER_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff