1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (C) 2001 Cluster File Systems, Inc. <braam@clusterfs.com>
6 * This file is part of Lustre, http://www.lustre.org.
8 * Lustre is free software; you can redistribute it and/or
9 * modify it under the terms of version 2 of the GNU General Public
10 * License as published by the Free Software Foundation.
12 * Lustre is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Lustre; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 * Lustre wire protocol definitions.
23 * All structs passing over the wire should be declared here (lov_mds_md
24 * being the lone exception). Structs must be properly aligned to put
25 * 64-bit values on an 8-byte boundary. Any structs being added here
26 * must also be added to utils/wirecheck.c and "make newwiretest" run
27 * to regenerate the utils/wiretest.c sources. This allows us to verify
28 * that wire structs have the proper alignment/size on all architectures.
30 * We assume all nodes are either little-endian or big-endian, and we
31 * always send messages in the sender's native format. The receiver
32 * detects the message format by checking the 'magic' field of the message
33 * (see lustre_msg_swabbed() below).
35 * Each wire type has corresponding 'lustre_swab_xxxtypexxx()' routines,
36 * implemented either here, inline (trivial implementations) or in
37 * ptlrpc/pack_generic.c. These 'swabbers' convert the type from "other"
38 * endian, in-place in the message buffer.
40 * A swabber takes a single pointer argument. The caller must already have
41 * verified that the length of the message buffer >= sizeof (type).
43 * For variable length types, a second 'lustre_swab_v_xxxtypexxx()' routine
44 * may be defined that swabs just the variable part, after the caller has
45 * verified that the message buffer is large enough.
48 #ifndef _LUSTRE_IDL_H_
49 #define _LUSTRE_IDL_H_
52 # include <linux/ioctl.h>
53 # include <asm/types.h>
54 # include <linux/types.h>
55 # include <linux/list.h>
56 # include <linux/string.h> /* for strncpy, below */
57 # include <linux/fs.h> /* to check for FMODE_EXEC, dev_t, lest we redefine */
60 # include <sys/types.h>
62 # include <asm/types.h>
65 # include <portals/list.h>
69 /* Defn's shared with user-space. */
70 #include <lustre/lustre_user.h>
73 * this file contains all data structures used in Lustre interfaces:
74 * - obdo and obd_request records
75 * - mds_request records
83 /* FOO_REQUEST_PORTAL is for incoming requests on the FOO
84 * FOO_REPLY_PORTAL is for incoming replies on the FOO
85 * FOO_BULK_PORTAL is for incoming bulk on the FOO
88 #define CONNMGR_REQUEST_PORTAL 1
89 #define CONNMGR_REPLY_PORTAL 2
90 //#define OSC_REQUEST_PORTAL 3
91 #define OSC_REPLY_PORTAL 4
92 //#define OSC_BULK_PORTAL 5
93 #define OST_REQUEST_PORTAL 6
94 #define OST_CREATE_PORTAL 7
95 #define OST_BULK_PORTAL 8
96 //#define MDC_REQUEST_PORTAL 9
97 #define MDC_REPLY_PORTAL 10
98 //#define MDC_BULK_PORTAL 11
99 #define MDS_REQUEST_PORTAL 12
100 //#define MDS_REPLY_PORTAL 13
101 #define MDS_BULK_PORTAL 14
102 #define LDLM_CB_REQUEST_PORTAL 15
103 #define LDLM_CB_REPLY_PORTAL 16
104 #define LDLM_CANCEL_REQUEST_PORTAL 17
105 #define LDLM_CANCEL_REPLY_PORTAL 18
106 #define PTLBD_REQUEST_PORTAL 19
107 #define PTLBD_REPLY_PORTAL 20
108 #define PTLBD_BULK_PORTAL 21
109 #define MDS_SETATTR_PORTAL 22
110 #define MDS_READPAGE_PORTAL 23
111 #define MGMT_REQUEST_PORTAL 24
112 #define MGMT_REPLY_PORTAL 25
113 #define MGMT_CLI_REQUEST_PORTAL 26
114 #define MGMT_CLI_REPLY_PORTAL 27
119 #define SVC_RUNNING 8
120 #define SVC_STOPPING 16
121 #define SVC_STOPPED 32
124 #define PTL_RPC_MSG_REQUEST 4711
125 #define PTL_RPC_MSG_ERR 4712
126 #define PTL_RPC_MSG_REPLY 4713
128 #define PTLRPC_MSG_MAGIC 0x0BD00BD0
131 #define PTLRPC_MSG_VERSION 0x00000003
132 #define LUSTRE_VERSION_MASK 0xffff0000
133 #define LUSTRE_OBD_VERSION 0x00010000
134 #define LUSTRE_MDS_VERSION 0x00020000
135 #define LUSTRE_OST_VERSION 0x00030000
136 #define LUSTRE_DLM_VERSION 0x00040000
137 #define LUSTRE_LOG_VERSION 0x00050000
138 #define LUSTRE_PBD_VERSION 0x00060000
140 struct lustre_handle {
143 #define DEAD_HANDLE_MAGIC 0xdeadbeefcafebabeULL
145 /* we depend on this structure to be 8-byte aligned */
146 /* this type is only endian-adjusted in lustre_unpack_msg() */
148 struct lustre_handle handle;
154 __u64 last_committed;
163 /* Flags that are operation-specific go in the top 16 bits. */
164 #define MSG_OP_FLAG_MASK 0xffff0000
165 #define MSG_OP_FLAG_SHIFT 16
167 /* Flags that apply to all requests are in the bottom 16 bits */
168 #define MSG_GEN_FLAG_MASK 0x0000ffff
169 #define MSG_LAST_REPLAY 1
173 static inline int lustre_msg_get_flags(struct lustre_msg *msg)
175 return (msg->flags & MSG_GEN_FLAG_MASK);
178 static inline void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
180 msg->flags |= MSG_GEN_FLAG_MASK & flags;
183 static inline void lustre_msg_set_flags(struct lustre_msg *msg, int flags)
185 msg->flags &= ~MSG_GEN_FLAG_MASK;
186 lustre_msg_add_flags(msg, flags);
189 static inline void lustre_msg_clear_flags(struct lustre_msg *msg, int flags)
191 msg->flags &= ~(MSG_GEN_FLAG_MASK & flags);
194 static inline int lustre_msg_get_op_flags(struct lustre_msg *msg)
196 return (msg->flags >> MSG_OP_FLAG_SHIFT);
199 static inline void lustre_msg_add_op_flags(struct lustre_msg *msg, int flags)
201 msg->flags |= ((flags & MSG_GEN_FLAG_MASK) << MSG_OP_FLAG_SHIFT);
204 static inline void lustre_msg_set_op_flags(struct lustre_msg *msg, int flags)
206 msg->flags &= ~MSG_OP_FLAG_MASK;
207 lustre_msg_add_op_flags(msg, flags);
211 * Flags for all connect opcodes (MDS_CONNECT, OST_CONNECT)
214 #define MSG_CONNECT_RECOVERING 0x1
215 #define MSG_CONNECT_RECONNECT 0x2
216 #define MSG_CONNECT_REPLAYABLE 0x4
217 //#define MSG_CONNECT_PEER 0x8
218 #define MSG_CONNECT_LIBCLIENT 0x10
219 #define MSG_CONNECT_INITIAL 0x20
222 * OST requests: OBDO & OBD request records
227 OST_REPLY = 0, /* reply ? */
247 #define OST_FIRST_OPC OST_REPLY
249 typedef uint64_t obd_id;
250 typedef uint64_t obd_gr;
251 typedef uint64_t obd_time;
252 typedef uint64_t obd_size;
253 typedef uint64_t obd_off;
254 typedef uint64_t obd_blocks;
255 typedef uint32_t obd_blksize;
256 typedef uint32_t obd_mode;
257 typedef uint32_t obd_uid;
258 typedef uint32_t obd_gid;
259 typedef uint32_t obd_flag;
260 typedef uint32_t obd_count;
262 #define OBD_FL_INLINEDATA (0x00000001)
263 #define OBD_FL_OBDMDEXISTS (0x00000002)
264 #define OBD_FL_DELORPHAN (0x00000004) /* if set in o_flags delete orphans */
265 #define OBD_FL_NORPC (0x00000008) // if set in o_flags set in OSC not OST
266 #define OBD_FL_IDONLY (0x00000010) // if set in o_flags only adjust obj id
267 #define OBD_FL_RECREATE_OBJS (0x00000020) // recreate missing obj
268 #define OBD_FL_DEBUG_CHECK (0x00000040) /* echo client/server debug check */
270 #define OBD_INLINESZ 64
272 /* Note: 64-bit types are 64-bit aligned in structure */
280 obd_blocks o_blocks; /* brw: cli sent cached bytes */
282 obd_blksize o_blksize; /* optimal IO blocksize */
283 obd_mode o_mode; /* brw: cli sent cache remain */
287 obd_count o_nlink; /* brw: checksum */
288 obd_count o_generation;
289 obd_flag o_valid; /* hot fields in this obdo */
290 obd_count o_misc; /* brw: o_dropped */
291 __u32 o_easize; /* epoch in ost writes */
294 char o_inline[OBD_INLINESZ]; /* fid in ost writes */
297 #define o_dirty o_blocks
298 #define o_undirty o_mode
299 #define o_dropped o_misc
300 #define o_cksum o_nlink
302 extern void lustre_swab_obdo (struct obdo *o);
304 #define LOV_MAGIC_V1 0x0BD10BD0
305 #define LOV_MAGIC LOV_MAGIC_V1
307 #define LOV_PATTERN_RAID0 0x001 /* stripes are used round-robin */
308 #define LOV_PATTERN_RAID1 0x002 /* stripes are mirrors of each other */
309 #define LOV_PATTERN_FIRST 0x100 /* first stripe is not in round-robin */
310 #define LOV_PATTERN_CMOBD 0x200
312 #define lov_ost_data lov_ost_data_v1
313 struct lov_ost_data_v1 { /* per-stripe data structure (little-endian)*/
314 __u64 l_object_id; /* OST object ID */
315 __u64 l_object_gr; /* OST object group (creating MDS number) */
316 __u32 l_ost_gen; /* generation of this l_ost_idx */
317 __u32 l_ost_idx; /* OST index in LOV (lov_tgt_desc->tgts) */
320 #define lov_mds_md lov_mds_md_v1
321 struct lov_mds_md_v1 { /* LOV EA mds/wire data (little-endian) */
322 __u32 lmm_magic; /* magic number = LOV_MAGIC_V1 */
323 __u32 lmm_pattern; /* LOV_PATTERN_RAID0, LOV_PATTERN_RAID1 */
324 __u64 lmm_object_id; /* LOV object ID */
325 __u64 lmm_object_gr; /* LOV object group */
326 __u32 lmm_stripe_size; /* size of stripe in bytes */
327 __u32 lmm_stripe_count; /* num stripes in use for this object */
328 struct lov_ost_data_v1 lmm_objects[0]; /* per-stripe data */
331 #define LOV_MAGIC_V0 0x0BD00BD0
333 struct lov_ost_data_v0 { /* per-stripe data structure (little-endian)*/
334 __u64 l_object_id; /* OST object ID */
337 struct lov_mds_md_v0 { /* LOV EA mds/wire data (little-endian) */
338 __u32 lmm_magic; /* magic number = LOV_MAGIC_V0 */
339 __u64 lmm_object_id; /* LOV object ID */
340 __u32 lmm_stripe_size; /* size of the stripe in bytes (not RAID1) */
341 __u32 lmm_stripe_offset; /* starting stripe offset in lmm_objects */
342 __u16 lmm_stripe_count; /* number of stipes in use for this object */
343 __u16 lmm_ost_count; /* how many OST idx are in this LOV md */
344 struct lov_ost_data_v0 lmm_objects[0];
345 } __attribute__((packed));
347 #define OBD_MD_FLALL (0xffffffff)
348 #define OBD_MD_FLID (0x00000001) /* object ID */
349 #define OBD_MD_FLATIME (0x00000002) /* access time */
350 #define OBD_MD_FLMTIME (0x00000004) /* data modification time */
351 #define OBD_MD_FLCTIME (0x00000008) /* change time */
352 #define OBD_MD_FLSIZE (0x00000010) /* size */
353 #define OBD_MD_FLBLOCKS (0x00000020) /* allocated blocks count */
354 #define OBD_MD_FLBLKSZ (0x00000040) /* block size */
355 #define OBD_MD_FLMODE (0x00000080) /* access bits (mode & ~S_IFMT) */
356 #define OBD_MD_FLTYPE (0x00000100) /* object type (mode & S_IFMT) */
357 #define OBD_MD_FLUID (0x00000200) /* user ID */
358 #define OBD_MD_FLGID (0x00000400) /* group ID */
359 #define OBD_MD_FLFLAGS (0x00000800) /* flags word */
360 #define OBD_MD_FLNLINK (0x00002000) /* link count */
361 #define OBD_MD_FLGENER (0x00004000) /* generation number */
362 #define OBD_MD_FLINLINE (0x00008000) /* inline data */
363 #define OBD_MD_FLRDEV (0x00010000) /* device number */
364 #define OBD_MD_FLEASIZE (0x00020000) /* extended attribute data */
365 #define OBD_MD_LINKNAME (0x00040000) /* symbolic link target */
366 #define OBD_MD_FLHANDLE (0x00080000) /* file handle */
367 #define OBD_MD_FLCKSUM (0x00100000) /* bulk data checksum */
368 #define OBD_MD_FLQOS (0x00200000) /* quality of service stats */
369 #define OBD_MD_FLOSCOPQ (0x00400000) /* osc opaque data */
370 #define OBD_MD_FLCOOKIE (0x00800000) /* log cancellation cookie */
371 #define OBD_MD_FLGROUP (0x01000000) /* group */
372 #define OBD_MD_FLIFID (0x02000000) /* ->ost write inline fid */
373 #define OBD_MD_FLEPOCH (0x04000000) /* ->ost write easize is epoch */
374 #define OBD_MD_FLGRANT (0x08000000) /* ost preallocation space grant */
375 #define OBD_MD_MDS (0x10000000) /* where an inode lives on */
376 #define OBD_MD_FLDIREA (0x20000000) /* dir's extended attribute data */
377 #define OBD_MD_REINT (0x40000000) /* reintegrate oa*/
378 #define OBD_MD_FLNOTOBD (~(OBD_MD_FLBLOCKS | OBD_MD_LINKNAME|\
379 OBD_MD_FLEASIZE | OBD_MD_FLHANDLE | OBD_MD_FLCKSUM|\
380 OBD_MD_FLQOS | OBD_MD_FLOSCOPQ | OBD_MD_FLCOOKIE|\
384 static inline struct lustre_handle *obdo_handle(struct obdo *oa)
386 return (struct lustre_handle *)oa->o_inline;
389 static inline struct llog_cookie *obdo_logcookie(struct obdo *oa)
391 return (struct llog_cookie *)(oa->o_inline +
392 sizeof(struct lustre_handle));
394 /* don't forget obdo_fid which is way down at the bottom so it can
395 * come after the definition of llog_cookie */
411 extern void lustre_swab_obd_statfs (struct obd_statfs *os);
413 /* ost_body.data values for OST_BRW */
415 #define OBD_BRW_READ 0x01
416 #define OBD_BRW_WRITE 0x02
417 #define OBD_BRW_RWMASK (OBD_BRW_READ | OBD_BRW_WRITE)
418 #define OBD_BRW_SYNC 0x08
419 #define OBD_BRW_CHECK 0x10
420 #define OBD_BRW_FROM_GRANT 0x20 /* the osc manages this under llite */
421 #define OBD_BRW_GRANTED 0x40 /* the ost manages this */
423 #define OBD_OBJECT_EOF 0xffffffffffffffffULL
432 extern void lustre_swab_obd_ioobj (struct obd_ioobj *ioo);
434 /* multiple of 8 bytes => can array */
435 struct niobuf_remote {
441 extern void lustre_swab_niobuf_remote (struct niobuf_remote *nbr);
443 /* request structure for OST's */
445 #define OST_REQ_HAS_OA1 0x1
451 extern void lustre_swab_ost_body (struct ost_body *b);
452 extern void lustre_swab_ost_last_id(obd_id *id);
454 /* lock value block communicated between the filter and llite */
464 extern void lustre_swab_ost_lvb(struct ost_lvb *);
470 /* offsets in the request */
471 #define MDS_REQ_SECDESC_OFF 0
472 #define MDS_REQ_REC_OFF 1
474 #define MDS_REQ_INTENT_LOCKREQ_OFF 1
475 #define MDS_REQ_INTENT_IT_OFF 2
476 #define MDS_REQ_INTENT_REC_OFF 3
478 /* maximum supplementary groups */
479 #define LUSTRE_MAX_GROUPS 128
482 * security descriptor in mds request
484 * note gid & cap might need be removed later:
485 * - cap should be obtained on mds
486 * - gid is actually not used.
488 struct mds_req_sec_desc {
498 struct ptlrpc_request;
499 struct mds_req_sec_desc *lustre_swab_mds_secdesc(struct ptlrpc_request *req,
505 MDS_GETATTR_LOCK = 34,
516 MDS_DONE_WRITING = 45,
520 #define MDS_FIRST_OPC MDS_GETATTR
526 #define REINT_SETATTR 1
527 #define REINT_CREATE 2
529 #define REINT_UNLINK 4
530 #define REINT_RENAME 5
532 #define REINT_CLOSE 7
533 #define REINT_WRITE 8
536 /* the disposition of the intent outlines what was executed */
537 #define DISP_IT_EXECD 0x01
538 #define DISP_LOOKUP_EXECD 0x02
539 #define DISP_LOOKUP_NEG 0x04
540 #define DISP_LOOKUP_POS 0x08
541 #define DISP_OPEN_CREATE 0x10
542 #define DISP_OPEN_OPEN 0x20
543 #define DISP_ENQ_COMPLETE 0x40
545 /* INODE LOCK PARTS */
546 #define MDS_INODELOCK_LOOKUP 0x000001 /* dentry, mode, owner, group */
547 #define MDS_INODELOCK_UPDATE 0x000002 /* size, links, timestamps */
548 //#define MDS_INODELOCK_MAXSHIFT 1
549 //#define MDS_INODELOCK_FULL ((1<<(MDS_INODELOCK_MAXSHIFT+1))-1)
562 struct ll_fid mea_fids[0];
565 #define MEA_MAGIC_LAST_CHAR 0xb2221ca1
566 #define MEA_MAGIC_ALL_CHARS 0xb222a11c
572 struct ll_fid mea_fids[0];
575 extern void lustre_swab_ll_fid (struct ll_fid *fid);
577 #define MDS_STATUS_CONN 1
578 #define MDS_STATUS_LOV 2
580 struct mds_status_req {
585 extern void lustre_swab_mds_status_req (struct mds_status_req *r);
587 #define MDS_BFLAG_UNCOMMITTED_WRITES 0x1
592 struct lustre_handle handle;
593 __u64 size; /* Offset, in the case of MDS_READPAGE */
594 __u64 blocks; /* XID, in the case of MDS_READPAGE */
596 __u32 ino; /* make this a __u64 */
604 __u32 flags; /* from vfs for pin/unpin, MDS_BFLAG for close */
606 __u32 nlink; /* #bytes to read in the case of MDS_READPAGE */
612 extern void lustre_swab_mds_body (struct mds_body *b);
615 struct mds_body *body;
616 struct lov_stripe_md *lsm;
627 struct mea *mea1; /* mea of inode1 */
628 struct mea *mea2; /* mea of inode2 */
631 #define MDS_MODE_DONT_LOCK (1 << 30)
632 #define MDS_MODE_REPLAY (1 << 31)
634 struct mds_rec_setattr {
637 struct ll_fid sa_fid;
648 /* Remove this once we declare it in include/linux/fs.h (v21 kernel patch?) */
649 #ifndef ATTR_CTIME_SET
650 #define ATTR_CTIME_SET 0x2000
653 extern void lustre_swab_mds_rec_setattr (struct mds_rec_setattr *sa);
656 #define FMODE_READ 00000001
657 #define FMODE_WRITE 00000002
660 #define FMODE_EXEC 00000004
662 #define MDS_OPEN_CREAT 00000100
663 #define MDS_OPEN_EXCL 00000200
664 #define MDS_OPEN_TRUNC 00001000
665 #define MDS_OPEN_APPEND 00002000
666 #define MDS_OPEN_SYNC 00010000
667 #define MDS_OPEN_DIRECTORY 00200000
669 #define MDS_OPEN_DELAY_CREATE 0100000000 /* delay initial object create */
670 #define MDS_OPEN_HAS_EA 010000000000 /* specify object create pattern */
671 #define MDS_OPEN_HAS_OBJS 020000000000 /* Just set the EA the obj exist */
673 struct mds_rec_create {
675 __u32 cr_flags; /* for use with open */
678 struct ll_fid cr_fid;
679 struct ll_fid cr_replayfid;
684 extern void lustre_swab_mds_rec_create (struct mds_rec_create *cr);
686 struct mds_rec_link {
689 struct ll_fid lk_fid1;
690 struct ll_fid lk_fid2;
694 extern void lustre_swab_mds_rec_link (struct mds_rec_link *lk);
696 struct mds_rec_unlink {
699 struct ll_fid ul_fid1;
700 struct ll_fid ul_fid2;
704 extern void lustre_swab_mds_rec_unlink (struct mds_rec_unlink *ul);
706 struct mds_rec_rename {
709 struct ll_fid rn_fid1;
710 struct ll_fid rn_fid2;
714 extern void lustre_swab_mds_rec_rename (struct mds_rec_rename *rn);
717 * LOV data structures
720 #define LOV_MAX_UUID_BUFFER_SIZE 8192
721 /* The size of the buffer the lov/mdc reserves for the
722 * array of UUIDs returned by the MDS. With the current
723 * protocol, this will limit the max number of OSTs per LOV */
726 __u32 ld_tgt_count; /* how many OBD's */
727 __u32 ld_active_tgt_count; /* how many active */
728 __u32 ld_default_stripe_count; /* how many objects are used */
729 __u32 ld_pattern; /* PATTERN_RAID0, PATTERN_RAID1 */
730 __u64 ld_default_stripe_size; /* in bytes */
731 __u64 ld_default_stripe_offset; /* in bytes */
732 struct obd_uuid ld_uuid;
736 __u32 ld_tgt_count; /* how many MDS's */
737 __u32 ld_active_tgt_count; /* how many active */
738 struct obd_uuid ld_uuid;
741 extern void lustre_swab_lov_desc (struct lov_desc *ld);
746 /* opcodes -- MUST be distinct from OST/MDS opcodes */
751 LDLM_BL_CALLBACK = 104,
752 LDLM_CP_CALLBACK = 105,
753 LDLM_GL_CALLBACK = 106,
756 #define LDLM_FIRST_OPC LDLM_ENQUEUE
758 #define RES_NAME_SIZE 4
760 __u64 name[RES_NAME_SIZE];
763 extern void lustre_swab_ldlm_res_id (struct ldlm_res_id *id);
781 struct ldlm_inodebits {
790 __u64 blocking_export;
793 /* it's important that the fields of the ldlm_extent structure match
794 * the first fields of the ldlm_flock structure because there is only
795 * one ldlm_swab routine to process the ldlm_policy_data_t union. if
796 * this ever changes we will need to swab the union differently based
797 * on the resource type. */
800 struct ldlm_extent l_extent;
801 struct ldlm_flock l_flock;
802 struct ldlm_inodebits l_inodebits;
803 } ldlm_policy_data_t;
805 extern void lustre_swab_ldlm_policy_data (ldlm_policy_data_t *d);
811 extern void lustre_swab_ldlm_intent (struct ldlm_intent *i);
813 struct ldlm_resource_desc {
816 struct ldlm_res_id lr_name;
819 extern void lustre_swab_ldlm_resource_desc (struct ldlm_resource_desc *r);
821 struct ldlm_lock_desc {
822 struct ldlm_resource_desc l_resource;
823 ldlm_mode_t l_req_mode;
824 ldlm_mode_t l_granted_mode;
825 ldlm_policy_data_t l_policy_data;
828 extern void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l);
830 struct ldlm_request {
833 struct ldlm_lock_desc lock_desc;
834 struct lustre_handle lock_handle1;
835 struct lustre_handle lock_handle2;
838 extern void lustre_swab_ldlm_request (struct ldlm_request *rq);
843 struct ldlm_lock_desc lock_desc;
844 struct lustre_handle lock_handle;
845 __u64 lock_policy_res1;
846 __u64 lock_policy_res2;
849 extern void lustre_swab_ldlm_reply (struct ldlm_reply *r);
852 * ptlbd, portal block device requests
860 PTLBD_DISCONNECT = 205,
863 #define PTLBD_FIRST_OPC PTLBD_QUERY
873 extern void lustre_swab_ptlbd_op (struct ptlbd_op *op);
882 extern void lustre_swab_ptlbd_niob (struct ptlbd_niob *n);
889 extern void lustre_swab_ptlbd_rsp (struct ptlbd_rsp *r);
892 * Opcodes for management/monitoring node.
897 MGMT_EXCEPTION, /* node died, etc. */
900 #define MGMT_FIRST_OPC MGMT_CONNECT
903 * Opcodes for multiple servers.
911 #define OBD_FIRST_OPC OBD_PING
913 /* catalog of log objects */
915 /* Identifier for a single log object */
920 } __attribute__((packed));
922 /* Records written to the CATALOGS list */
923 #define CATLIST "CATALOGS"
925 struct llog_logid lci_logid;
926 __u32 lci_padding[3];
927 } __attribute__((packed));
929 /* Log data record types - there is no specific reason that these need to
930 * be related to the RPC opcodes, but no reason not to (may be handy later?)
933 OST_SZ_REC = 0x10600000 | (OST_SAN_WRITE << 8),
934 OST_RAID1_REC = 0x10600000 | ((OST_SAN_WRITE + 1) << 8),
935 MDS_UNLINK_REC = 0x10610000 | (MDS_REINT << 8) | REINT_UNLINK,
936 OBD_CFG_REC = 0x10620000,
937 PTL_CFG_REC = 0x10630000,
938 LLOG_GEN_REC = 0x10640000,
939 LLOG_HDR_MAGIC = 0x10645539,
940 LLOG_LOGID_MAGIC = 0x1064553b,
941 SMFS_UPDATE_REC = 0x10650000,
942 CACHE_LRU_REC = 0x10660000,
945 /* Log record header - stored in little endian order.
946 * Each record must start with this struct, end with a llog_rec_tail,
947 * and be a multiple of 256 bits in size.
949 struct llog_rec_hdr {
956 struct llog_rec_tail {
961 struct llog_logid_rec {
962 struct llog_rec_hdr lid_hdr;
963 struct llog_logid lid_id;
965 struct llog_rec_tail lid_tail;
966 } __attribute__((packed));
968 struct llog_create_rec {
969 struct llog_rec_hdr lcr_hdr;
970 struct ll_fid lcr_fid;
974 struct llog_rec_tail lcr_tail;
975 } __attribute__((packed));
977 struct llog_orphan_rec {
978 struct llog_rec_hdr lor_hdr;
982 struct llog_rec_tail lor_tail;
983 } __attribute__((packed));
985 struct llog_unlink_rec {
986 struct llog_rec_hdr lur_hdr;
990 struct llog_rec_tail lur_tail;
991 } __attribute__((packed));
993 struct llog_size_change_rec {
994 struct llog_rec_hdr lsc_hdr;
995 struct ll_fid lsc_fid;
998 struct llog_rec_tail lsc_tail;
999 } __attribute__((packed));
1006 struct llog_gen_rec {
1007 struct llog_rec_hdr lgr_hdr;
1008 struct llog_gen lgr_gen;
1009 struct llog_rec_tail lgr_tail;
1010 } __attribute__((packed));
1012 struct llog_lru_rec {
1013 struct llog_rec_hdr llr_hdr;
1014 struct ll_fid llr_cfid;
1015 struct ll_fid llr_pfid;
1016 struct llog_rec_tail llr_tail;
1017 } __attribute__((packed));
1019 /* On-disk header structure of each log object, stored in little endian order */
1020 #define LLOG_CHUNK_SIZE 8192
1021 #define LLOG_HEADER_SIZE (96)
1022 #define LLOG_BITMAP_BYTES (LLOG_CHUNK_SIZE - LLOG_HEADER_SIZE)
1024 #define LLOG_MIN_REC_SIZE (24) /* round(llog_rec_hdr + llog_rec_tail) */
1026 /* flags for the logs */
1027 #define LLOG_F_ZAP_WHEN_EMPTY 0x1
1028 #define LLOG_F_IS_CAT 0x2
1029 #define LLOG_F_IS_PLAIN 0x4
1031 struct llog_log_hdr {
1032 struct llog_rec_hdr llh_hdr;
1033 __u64 llh_timestamp;
1035 __u32 llh_bitmap_offset;
1039 /* for a catalog the first plain slot is next to it */
1040 struct obd_uuid llh_tgtuuid;
1041 __u32 llh_reserved[LLOG_HEADER_SIZE/sizeof(__u32) - 23];
1042 __u32 llh_bitmap[LLOG_BITMAP_BYTES/sizeof(__u32)];
1043 struct llog_rec_tail llh_tail;
1044 } __attribute__((packed));
1046 #define LLOG_BITMAP_SIZE(llh) ((llh->llh_hdr.lrh_len - \
1047 llh->llh_bitmap_offset - \
1048 sizeof(llh->llh_tail)) * 8)
1050 /* log cookies are used to reference a specific log file and a record therein */
1051 struct llog_cookie {
1052 struct llog_logid lgc_lgl;
1056 } __attribute__((packed));
1059 enum llogd_rpc_ops {
1060 LLOG_ORIGIN_HANDLE_OPEN = 501,
1061 LLOG_ORIGIN_HANDLE_NEXT_BLOCK = 502,
1062 LLOG_ORIGIN_HANDLE_READ_HEADER = 503,
1063 LLOG_ORIGIN_HANDLE_WRITE_REC = 504,
1064 LLOG_ORIGIN_HANDLE_CLOSE = 505,
1065 LLOG_ORIGIN_CONNECT = 506,
1066 LLOG_CATINFO = 507, /* for lfs catinfo */
1067 LLOG_ORIGIN_HANDLE_PREV_BLOCK = 508,
1071 struct llog_logid lgd_logid;
1073 __u32 lgd_llh_flags;
1075 __u32 lgd_saved_index;
1077 __u64 lgd_cur_offset;
1078 } __attribute__((packed));
1080 struct llogd_conn_body {
1081 struct llog_gen lgdc_gen;
1082 struct llog_logid lgdc_logid;
1083 __u32 lgdc_ctxt_idx;
1084 } __attribute__((packed));
1086 extern void lustre_swab_llogd_body (struct llogd_body *d);
1087 extern void lustre_swab_llog_hdr (struct llog_log_hdr *h);
1088 extern void lustre_swab_llogd_conn_body (struct llogd_conn_body *d);
1090 static inline struct ll_fid *obdo_fid(struct obdo *oa)
1092 return (struct ll_fid *)(oa->o_inline + sizeof(struct lustre_handle) +
1093 sizeof(struct llog_cookie));