* Use is subject to license terms.
*/
/*
+ * Copyright (c) 2011 Whamcloud, Inc.
+ */
+/*
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
*
#ifndef _LUSTRE_IDL_H_
#define _LUSTRE_IDL_H_
+#if !defined(LASSERT) && !defined(LPU64)
#include <libcfs/libcfs.h> /* for LASSERT, LPUX64, etc */
+#endif
/* Defn's shared with user-space. */
#include <lustre/lustre_user.h>
/* Portal 63 is reserved for the Cray Inc DVS - nic@cray.com, roe@cray.com, n8851@cray.com */
-#define SVC_KILLED 1
-#define SVC_EVENT 2
-#define SVC_SIGNAL 4
-#define SVC_RUNNING 8
-#define SVC_STOPPING 16
-#define SVC_STOPPED 32
-
/* packet types */
#define PTL_RPC_MSG_REQUEST 4711
#define PTL_RPC_MSG_ERR 4712
/**
* Describes a range of sequence, lsr_start is included but lsr_end is
* not in the range.
- * Same structure is used in fld module where lsr_mdt field holds mdt id
+ * Same structure is used in fld module where lsr_index field holds mdt id
* of the home mdt.
*/
+#define LU_SEQ_RANGE_MDT 0x0
+#define LU_SEQ_RANGE_OST 0x1
+
struct lu_seq_range {
__u64 lsr_start;
__u64 lsr_end;
- __u32 lsr_mdt;
- __u32 lsr_padding;
+ __u32 lsr_index;
+ __u32 lsr_flags;
};
/**
static inline void range_init(struct lu_seq_range *range)
{
- range->lsr_start = range->lsr_end = range->lsr_mdt = 0;
+ range->lsr_start = range->lsr_end = range->lsr_index = 0;
}
/**
return range_space(range) == 0;
}
-#define DRANGE "[%#16.16"LPF64"x-%#16.16"LPF64"x):%x"
+/* return 0 if two range have the same location */
+static inline int range_compare_loc(const struct lu_seq_range *r1,
+ const struct lu_seq_range *r2)
+{
+ return r1->lsr_index != r2->lsr_index ||
+ r1->lsr_flags != r2->lsr_flags;
+}
+
+#define DRANGE "[%#16.16"LPF64"x-%#16.16"LPF64"x):%x:%x"
#define PRANGE(range) \
(range)->lsr_start, \
(range)->lsr_end, \
- (range)->lsr_mdt
+ (range)->lsr_index, \
+ (range)->lsr_flags
/** \defgroup lu_fid lu_fid
* @{ */
}
/**
+ * Note that reserved SEQ numbers below 12 will conflict with ldiskfs
+ * inodes in the IGIF namespace, so these reserved SEQ numbers can be
+ * used for other purposes and not risk collisions with existing inodes.
+ *
* Different FID Format
* http://arch.lustre.org/index.php?title=Interoperability_fids_zfs#NEW.0
*/
FID_SEQ_START = 0x200000000ULL,
FID_SEQ_LOCAL_FILE = 0x200000001ULL,
FID_SEQ_DOT_LUSTRE = 0x200000002ULL,
- FID_SEQ_NORMAL = 0x200000400ULL
+ FID_SEQ_NORMAL = 0x200000400ULL,
+ FID_SEQ_LOV_DEFAULT= 0xffffffffffffffffULL
};
#define OBIF_OID_MAX_BITS 32
* enumeration.
*/
enum lu_dirent_attrs {
- LUDA_FID = 0x0001,
- LUDA_TYPE = 0x0002,
+ LUDA_FID = 0x0001,
+ LUDA_TYPE = 0x0002,
+ LUDA_64BITHASH = 0x0004,
};
/**
};
enum lu_dirpage_flags {
- LDF_EMPTY = 1 << 0
+ /**
+ * dirpage contains no entry.
+ */
+ LDF_EMPTY = 1 << 0,
+ /**
+ * last entry's lde_hash equals ldp_hash_end.
+ */
+ LDF_COLLIDE = 1 << 1
};
static inline struct lu_dirent *lu_dirent_start(struct lu_dirpage *dp)
return le16_to_cpu(ent->lde_reclen);
}
-#define DIR_END_OFF 0xfffffffffffffffeULL
+#define MDS_DIR_END_OFF 0xfffffffffffffffeULL
+
+/**
+ * MDS_READPAGE page size
+ *
+ * This is the directory page size packed in MDS_READPAGE RPC.
+ * It's different than CFS_PAGE_SIZE because the client needs to
+ * access the struct lu_dirpage header packed at the beginning of
+ * the "page" and without this there isn't any way to know find the
+ * lu_dirpage header is if client and server CFS_PAGE_SIZE differ.
+ */
+#define LU_PAGE_SHIFT 12
+#define LU_PAGE_SIZE (1UL << LU_PAGE_SHIFT)
+#define LU_PAGE_MASK (~(LU_PAGE_SIZE - 1))
+
+#define LU_PAGE_COUNT 1 << (CFS_PAGE_SHIFT - LU_PAGE_SHIFT)
/** @} lu_dir */
return lh->cookie != 0ull;
}
-static inline int lustre_handle_equal(struct lustre_handle *lh1,
- struct lustre_handle *lh2)
+static inline int lustre_handle_equal(const struct lustre_handle *lh1,
+ const struct lustre_handle *lh2)
{
return lh1->cookie == lh2->cookie;
}
#define OBD_CONNECT_MAX_EASIZE 0x800000000ULL /* preserved for large EA */
#define OBD_CONNECT_FULL20 0x1000000000ULL /* it is 2.0 client */
#define OBD_CONNECT_LAYOUTLOCK 0x2000000000ULL /* client supports layout lock */
+#define OBD_CONNECT_64BITHASH 0x4000000000ULL /* client supports 64-bits
+ * directory hash */
+#define OBD_CONNECT_MAXBYTES 0x8000000000ULL /* max stripe size */
/* also update obd_connect_names[] for lprocfs_rd_connect_flags()
* and lustre/utils/wirecheck.c */
#define MDT_CONNECT_SUPPORTED (OBD_CONNECT_RDONLY | OBD_CONNECT_VERSION | \
OBD_CONNECT_ACL | OBD_CONNECT_XATTR | \
- OBD_CONNECT_IBITS | OBD_CONNECT_JOIN | \
- OBD_CONNECT_NODEVOH |/* OBD_CONNECT_ATTRFID |*/\
+ OBD_CONNECT_IBITS | \
+ OBD_CONNECT_NODEVOH | OBD_CONNECT_ATTRFID | \
OBD_CONNECT_CANCELSET | OBD_CONNECT_AT | \
OBD_CONNECT_RMT_CLIENT | \
OBD_CONNECT_RMT_CLIENT_FORCE | \
- OBD_CONNECT_MDS_CAPA | OBD_CONNECT_OSS_CAPA | \
- OBD_CONNECT_MDS_MDS | OBD_CONNECT_FID | \
- LRU_RESIZE_CONNECT_FLAG | OBD_CONNECT_VBR | \
- OBD_CONNECT_LOV_V3 | OBD_CONNECT_SOM | \
- OBD_CONNECT_FULL20)
+ OBD_CONNECT_BRW_SIZE | OBD_CONNECT_MDS_CAPA | \
+ OBD_CONNECT_OSS_CAPA | OBD_CONNECT_MDS_MDS | \
+ OBD_CONNECT_FID | LRU_RESIZE_CONNECT_FLAG | \
+ OBD_CONNECT_VBR | OBD_CONNECT_LOV_V3 | \
+ OBD_CONNECT_SOM | OBD_CONNECT_FULL20 | \
+ OBD_CONNECT_64BITHASH)
#define OST_CONNECT_SUPPORTED (OBD_CONNECT_SRVLOCK | OBD_CONNECT_GRANT | \
OBD_CONNECT_REQPORTAL | OBD_CONNECT_VERSION | \
OBD_CONNECT_TRUNCLOCK | OBD_CONNECT_INDEX | \
OBD_CONNECT_OSS_CAPA | OBD_CONNECT_RMT_CLIENT | \
OBD_CONNECT_RMT_CLIENT_FORCE | OBD_CONNECT_VBR | \
OBD_CONNECT_MDS | OBD_CONNECT_SKIP_ORPHAN | \
- OBD_CONNECT_GRANT_SHRINK | OBD_CONNECT_FULL20)
+ OBD_CONNECT_GRANT_SHRINK | OBD_CONNECT_FULL20 | \
+ OBD_CONNECT_64BITHASH | OBD_CONNECT_MAXBYTES)
#define ECHO_CONNECT_SUPPORTED (0)
#define MGS_CONNECT_SUPPORTED (OBD_CONNECT_VERSION | OBD_CONNECT_AT | \
OBD_CONNECT_FULL20)
+/* Features required for this version of the client to work with server */
+#define CLIENT_CONNECT_MDT_REQD (OBD_CONNECT_IBITS | OBD_CONNECT_FID | \
+ OBD_CONNECT_FULL20)
+
#define OBD_OCD_VERSION(major,minor,patch,fix) (((major)<<24) + ((minor)<<16) +\
((patch)<<8) + (fix))
#define OBD_OCD_VERSION_MAJOR(version) ((int)((version)>>24)&255)
*
* If we eventually have separate connect data for different types, which we
* almost certainly will, then perhaps we stick a union in here. */
+struct obd_connect_data_v1 {
+ __u64 ocd_connect_flags; /* OBD_CONNECT_* per above */
+ __u32 ocd_version; /* lustre release version number */
+ __u32 ocd_grant; /* initial cache grant amount (bytes) */
+ __u32 ocd_index; /* LOV index to connect to */
+ __u32 ocd_brw_size; /* Maximum BRW size in bytes */
+ __u64 ocd_ibits_known; /* inode bits this client understands */
+ __u32 ocd_nllu; /* non-local-lustre-user */
+ __u32 ocd_nllg; /* non-local-lustre-group */
+ __u64 ocd_transno; /* first transno from client to be replayed */
+ __u32 ocd_group; /* MDS group on OST */
+ __u32 ocd_cksum_types; /* supported checksum algorithms */
+ __u32 ocd_max_easize; /* How big LOV EA can be on MDS */
+ __u32 padding; /* also fix lustre_swab_connect */
+ __u64 ocd_maxbytes; /* Maximum stripe size in bytes */
+};
+
struct obd_connect_data {
__u64 ocd_connect_flags; /* OBD_CONNECT_* per above */
__u32 ocd_version; /* lustre release version number */
__u64 ocd_transno; /* first transno from client to be replayed */
__u32 ocd_group; /* MDS group on OST */
__u32 ocd_cksum_types; /* supported checksum algorithms */
- __u64 padding1; /* also fix lustre_swab_connect */
- __u64 padding2; /* also fix lustre_swab_connect */
+ __u32 ocd_max_easize; /* How big LOV EA can be on MDS */
+ __u32 padding; /* also fix lustre_swab_connect */
+ __u64 ocd_maxbytes; /* Maximum stripe size in bytes */
+ /* Fields after ocd_maxbytes are only accessible by the receiver
+ * if the corresponding flag in ocd_connect_flags is set. Accessing
+ * any field after ocd_maxbytes on the receiver without a valid flag
+ * may result in out-of-bound memory access and kernel oops. */
+ __u64 padding1; /* added 2.2.0. also fix lustre_swab_connect */
+ __u64 padding2; /* added 2.2.0. also fix lustre_swab_connect */
+ __u64 padding3; /* added 2.2.0. also fix lustre_swab_connect */
+ __u64 padding4; /* added 2.2.0. also fix lustre_swab_connect */
+ __u64 padding5; /* added 2.2.0. also fix lustre_swab_connect */
+ __u64 padding6; /* added 2.2.0. also fix lustre_swab_connect */
+ __u64 padding7; /* added 2.2.0. also fix lustre_swab_connect */
+ __u64 padding8; /* added 2.2.0. also fix lustre_swab_connect */
+ __u64 padding9; /* added 2.2.0. also fix lustre_swab_connect */
+ __u64 paddingA; /* added 2.2.0. also fix lustre_swab_connect */
+ __u64 paddingB; /* added 2.2.0. also fix lustre_swab_connect */
+ __u64 paddingC; /* added 2.2.0. also fix lustre_swab_connect */
+ __u64 paddingD; /* added 2.2.0. also fix lustre_swab_connect */
+ __u64 paddingE; /* added 2.2.0. also fix lustre_swab_connect */
+ __u64 paddingF; /* added 2.2.0. also fix lustre_swab_connect */
};
+
extern void lustre_swab_connect(struct obd_connect_data *ocd);
/*
typedef enum {
OBD_CKSUM_CRC32 = 0x00000001,
OBD_CKSUM_ADLER = 0x00000002,
+ OBD_CKSUM_CRC32C= 0x00000004,
} cksum_type_t;
/*
OBD_FL_SRVLOCK = 0x00000800, /* delegate DLM locking to server */
OBD_FL_CKSUM_CRC32 = 0x00001000, /* CRC32 checksum type */
OBD_FL_CKSUM_ADLER = 0x00002000, /* ADLER checksum type */
- OBD_FL_CKSUM_RSVD1 = 0x00004000, /* for future cksum types */
+ OBD_FL_CKSUM_CRC32C = 0x00004000, /* CRC32C checksum type */
OBD_FL_CKSUM_RSVD2 = 0x00008000, /* for future cksum types */
OBD_FL_CKSUM_RSVD3 = 0x00010000, /* for future cksum types */
OBD_FL_SHRINK_GRANT = 0x00020000, /* object shrink the grant */
OBD_FL_MMAP = 0x00040000, /* object is mmapped on the client */
+ OBD_FL_RECOV_RESEND = 0x00080000, /* recoverable resent */
+ OBD_FL_NOSPC_BLK = 0x00100000, /* no more block space on OST */
- OBD_FL_CKSUM_ALL = OBD_FL_CKSUM_CRC32 | OBD_FL_CKSUM_ADLER,
+ /* Note that while these checksum values are currently separate bits,
+ * in 2.x we can actually allow all values from 1-31 if we wanted. */
+ OBD_FL_CKSUM_ALL = OBD_FL_CKSUM_CRC32 | OBD_FL_CKSUM_ADLER |
+ OBD_FL_CKSUM_CRC32C,
/* mask for local-only flag, which won't be sent over network */
OBD_FL_LOCAL_MASK = 0xF0000000,
#define LOV_PATTERN_FIRST 0x100 /* first stripe is not in round-robin */
#define LOV_PATTERN_CMOBD 0x200
-#define LOV_OBJECT_GROUP_DEFAULT ~0ULL
-#define LOV_OBJECT_GROUP_CLEAR 0ULL
-
#define lov_ost_data lov_ost_data_v1
struct lov_ost_data_v1 { /* per-stripe data structure (little-endian)*/
__u64 l_object_id; /* OST object ID */
#define MDS_OPEN_LOCK 04000000000 /* This open requires open lock */
#define MDS_OPEN_HAS_EA 010000000000 /* specify object create pattern */
#define MDS_OPEN_HAS_OBJS 020000000000 /* Just set the EA the obj exist */
+#define MDS_OPEN_NORESTORE 0100000000000ULL /* Do not restore file at open */
+#define MDS_OPEN_NEWSTRIPE 0200000000000ULL /* New stripe needed (restripe or
+ * hsm restore) */
/* permission for create non-directory file */
#define MAY_CREATE (1 << 7)
MDS_PERM_BYPASS = 1 << 3,
MDS_SOM = 1 << 4,
MDS_QUOTA_IGNORE = 1 << 5,
- MDS_CLOSE_CLEANUP = 1 << 6
+ MDS_CLOSE_CLEANUP = 1 << 6,
+ MDS_KEEP_ORPHAN = 1 << 7
};
/* instance of mdt_reint_rec */
__u64 cr_padding_1; /* rr_blocks */
__u32 cr_mode;
__u32 cr_bias;
- __u32 cr_flags; /* for use with open */
- __u32 cr_padding_2; /* rr_padding_2 */
+ /* use of helpers set/get_mrc_cr_flags() is needed to access
+ * 64 bits cr_flags [cr_flags_l, cr_flags_h], this is done to
+ * extend cr_flags size without breaking 1.8 compat */
+ __u32 cr_flags_l; /* for use with open, low 32 bits */
+ __u32 cr_flags_h; /* for use with open, high 32 bits */
__u32 cr_padding_3; /* rr_padding_3 */
__u32 cr_padding_4; /* rr_padding_4 */
};
+static inline void set_mrc_cr_flags(struct mdt_rec_create *mrc, __u64 flags)
+{
+ mrc->cr_flags_l = (__u32)(flags & 0xFFFFFFFFUll);
+ mrc->cr_flags_h = (__u32)(flags >> 32);
+}
+
+static inline __u64 get_mrc_cr_flags(struct mdt_rec_create *mrc)
+{
+ return ((__u64)(mrc->cr_flags_l) | ((__u64)mrc->cr_flags_h << 32));
+}
+
/* instance of mdt_reint_rec */
struct mdt_rec_link {
__u32 lk_opcode;
__u64 bits;
};
-struct ldlm_flock {
- __u64 start;
- __u64 end;
- __u64 blocking_export; /* not actually used over the wire */
- __u32 blocking_pid; /* not actually used over the wire */
- __u32 pid;
+struct ldlm_flock_wire {
+ __u64 lfw_start;
+ __u64 lfw_end;
+ __u64 lfw_owner;
+ __u32 lfw_padding;
+ __u32 lfw_pid;
};
/* it's important that the fields of the ldlm_extent structure match
typedef union {
struct ldlm_extent l_extent;
- struct ldlm_flock l_flock;
+ struct ldlm_flock_wire l_flock;
struct ldlm_inodebits l_inodebits;
-} ldlm_policy_data_t;
+} ldlm_wire_policy_data_t;
-extern void lustre_swab_ldlm_policy_data (ldlm_policy_data_t *d);
+extern void lustre_swab_ldlm_policy_data (ldlm_wire_policy_data_t *d);
struct ldlm_intent {
__u64 opc;
struct ldlm_resource_desc l_resource;
ldlm_mode_t l_req_mode;
ldlm_mode_t l_granted_mode;
- ldlm_policy_data_t l_policy_data;
+ ldlm_wire_policy_data_t l_policy_data;
};
extern void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l);
static inline void lustre_get_wire_obdo(struct obdo *lobdo, struct obdo *wobdo)
{
- obd_flag local_flags = lobdo->o_flags & OBD_FL_LOCAL_MASK;
+ obd_flag local_flags = 0;
+
+ if (lobdo->o_valid & OBD_MD_FLFLAGS)
+ local_flags = lobdo->o_flags & OBD_FL_LOCAL_MASK;
LASSERT(!(wobdo->o_flags & OBD_FL_LOCAL_MASK));
memcpy(lobdo, wobdo, sizeof(*lobdo));
- lobdo->o_flags &= ~OBD_FL_LOCAL_MASK;
- lobdo->o_flags |= local_flags;
+ if (local_flags != 0) {
+ lobdo->o_valid |= OBD_MD_FLFLAGS;
+ lobdo->o_flags &= ~OBD_FL_LOCAL_MASK;
+ lobdo->o_flags |= local_flags;
+ }
}
extern void lustre_swab_obdo (struct obdo *o);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff