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 * (Un)packing of OST requests
24 #ifndef _LUSTRE_IDL_H_
25 #define _LUSTRE_IDL_H_
28 # include <linux/ioctl.h>
29 # include <asm/types.h>
30 # include <linux/types.h>
31 # include <linux/list.h>
34 # include <asm/types.h>
35 # include <linux/list.h>
40 * this file contains all data structures used in Lustre interfaces:
41 * - obdo and obd_request records
42 * - mds_request records
50 typedef __u8 obd_uuid_t[37];
52 /* FOO_REQUEST_PORTAL is for incoming requests on the FOO
53 * FOO_REPLY_PORTAL is for incoming replies on the FOO
54 * FOO_BULK_PORTAL is for incoming bulk on the FOO
57 #define CONNMGR_REQUEST_PORTAL 1
58 #define CONNMGR_REPLY_PORTAL 2
59 #define OSC_REQUEST_PORTAL 3
60 #define OSC_REPLY_PORTAL 4
61 #define OSC_BULK_PORTAL 5
62 #define OST_REQUEST_PORTAL 6
63 #define OST_REPLY_PORTAL 7
64 #define OST_BULK_PORTAL 8
65 #define MDC_REQUEST_PORTAL 9
66 #define MDC_REPLY_PORTAL 10
67 #define MDC_BULK_PORTAL 11
68 #define MDS_REQUEST_PORTAL 12
69 #define MDS_REPLY_PORTAL 13
70 #define MDS_BULK_PORTAL 14
71 #define LDLM_CB_REQUEST_PORTAL 15
72 #define LDLM_CB_REPLY_PORTAL 16
73 #define LDLM_CANCEL_REQUEST_PORTAL 17
74 #define LDLM_CANCEL_REPLY_PORTAL 18
80 #define SVC_STOPPING 16
81 #define SVC_STOPPED 32
83 #define LUSTRE_CONN_NEW 1
84 #define LUSTRE_CONN_CON 2
85 #define LUSTRE_CONN_RECOVD 3
86 #define LUSTRE_CONN_FULL 4
89 #define PTL_RPC_MSG_REQUEST 4711
90 #define PTL_RPC_MSG_ERR 4712
91 #define PTL_RPC_MSG_REPLY 4713
93 #define PTLRPC_MSG_MAGIC (cpu_to_le32(0x0BD00BD0))
94 #define PTLRPC_MSG_VERSION (cpu_to_le32(0x00040001))
96 struct lustre_handle {
100 #define DEAD_HANDLE_MAGIC 0xdeadbeefcafebabe
102 static inline void ptlrpc_invalidate_handle(struct lustre_handle *hdl)
104 hdl->addr = hdl->cookie = 0; /* XXX invalid enough? */
107 /* we depend on this structure to be 8-byte aligned */
110 __u64 cookie; /* security token */
116 __u64 last_committed;
124 /* Flags that are operation-specific go in the top 16 bits. */
125 #define MSG_OP_FLAG_MASK 0xffff0000
126 #define MSG_OP_FLAG_SHIFT 16
128 /* Flags that apply to all requests are in the bottom 16 bits */
129 #define MSG_GEN_FLAG_MASK 0x0000ffff
130 #define MSG_LAST_REPLAY 1
133 static inline int lustre_msg_get_flags(struct lustre_msg *msg)
135 return (msg->flags & MSG_GEN_FLAG_MASK);
138 static inline void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
140 msg->flags |= MSG_GEN_FLAG_MASK & flags;
143 static inline void lustre_msg_set_flags(struct lustre_msg *msg, int flags)
145 msg->flags &= ~MSG_GEN_FLAG_MASK;
146 lustre_msg_add_flags(msg, flags);
149 static inline int lustre_msg_get_op_flags(struct lustre_msg *msg)
151 return (msg->flags >> MSG_OP_FLAG_SHIFT);
154 static inline void lustre_msg_set_op_flags(struct lustre_msg *msg, int flags)
156 msg->flags &= ~MSG_OP_FLAG_MASK;
157 msg->flags |= ((flags & MSG_GEN_FLAG_MASK) << MSG_OP_FLAG_SHIFT);
160 #define CONNMGR_REPLY 0
161 #define CONNMGR_CONNECT 1
164 * OST requests: OBDO & OBD request records
168 #define OST_REPLY 0 /* reply ? */
169 #define OST_GETATTR 1
170 #define OST_SETATTR 2
174 #define OST_DESTROY 6
175 #define OST_GET_INFO 7
176 #define OST_CONNECT 8
177 #define OST_DISCONNECT 9
181 #define OST_STATFS 13
184 typedef uint64_t obd_id;
185 typedef uint64_t obd_gr;
186 typedef uint64_t obd_time;
187 typedef uint64_t obd_size;
188 typedef uint64_t obd_off;
189 typedef uint64_t obd_blocks;
190 typedef uint32_t obd_blksize;
191 typedef uint32_t obd_mode;
192 typedef uint32_t obd_uid;
193 typedef uint32_t obd_gid;
194 typedef uint64_t obd_rdev;
195 typedef uint32_t obd_flag;
196 typedef uint32_t obd_count;
198 #define OBD_FL_INLINEDATA (0x00000001)
199 #define OBD_FL_OBDMDEXISTS (0x00000002)
201 #define OBD_INLINESZ 60
203 /* Note: 64-bit types are 64-bit aligned in structure */
213 obd_blksize o_blksize;
219 obd_count o_generation;
220 obd_flag o_valid; /* hot fields in this obdo */
223 char o_inline[OBD_INLINESZ];
226 struct lov_object_id { /* per-child structure */
230 #define LOV_MAGIC 0x0BD00BD0
234 __u32 lmm_unused; /* was packed size of extended attribute */
235 __u64 lmm_object_id; /* lov object id */
236 __u32 lmm_stripe_offset; /* starting stripe offset in lmd_objects */
237 __u32 lmm_stripe_count; /* number of stipes in use for this object */
238 __u64 lmm_stripe_size; /* size of the stripe */
239 __u32 lmm_ost_count; /* how many OST idx are in this LOV md */
240 __u32 lmm_stripe_pattern; /* per-lov object stripe pattern */
241 struct lov_object_id lmm_objects[0];
244 #define OBD_MD_FLALL (0xffffffff)
245 #define OBD_MD_FLID (0x00000001) /* object ID */
246 #define OBD_MD_FLATIME (0x00000002) /* access time */
247 #define OBD_MD_FLMTIME (0x00000004) /* data modification time */
248 #define OBD_MD_FLCTIME (0x00000008) /* change time */
249 #define OBD_MD_FLSIZE (0x00000010) /* size */
250 #define OBD_MD_FLBLOCKS (0x00000020) /* allocated blocks count */
251 #define OBD_MD_FLBLKSZ (0x00000040) /* block size */
252 #define OBD_MD_FLMODE (0x00000080) /* access bits (mode & ~S_IFMT) */
253 #define OBD_MD_FLTYPE (0x00000100) /* object type (mode & S_IFMT) */
254 #define OBD_MD_FLUID (0x00000200) /* user ID */
255 #define OBD_MD_FLGID (0x00000400) /* group ID */
256 #define OBD_MD_FLFLAGS (0x00000800) /* flags word */
257 #define OBD_MD_FLOBDFLG (0x00001000)
258 #define OBD_MD_FLNLINK (0x00002000) /* link count */
259 #define OBD_MD_FLGENER (0x00004000) /* generation number */
260 #define OBD_MD_FLINLINE (0x00008000) /* inline data */
261 #define OBD_MD_FLRDEV (0x00010000) /* device number */
262 #define OBD_MD_FLEASIZE (0x00020000) /* extended attribute data */
263 #define OBD_MD_LINKNAME (0x00040000) /* symbolic link target */
264 #define OBD_MD_FLHANDLE (0x00080000) /* file handle */
265 #define OBD_MD_FLNOTOBD (~(OBD_MD_FLOBDFLG | OBD_MD_FLBLOCKS | OBD_MD_LINKNAME|\
266 OBD_MD_FLEASIZE | OBD_MD_FLHANDLE))
281 /* ost_body.data values for OST_BRW */
283 #define OBD_BRW_READ 0x1
284 #define OBD_BRW_WRITE 0x2
285 #define OBD_BRW_RWMASK (OBD_BRW_READ | OBD_BRW_WRITE)
286 #define OBD_BRW_CREATE 0x4
288 #define OBD_OBJECT_EOF 0xffffffffffffffffULL
297 struct niobuf_remote {
304 #define CONNMGR_REPLY 0
305 #define CONNMGR_CONNECT 1
307 struct connmgr_body {
311 obd_uuid_t conn_uuid;
314 /* request structure for OST's */
316 #define OST_REQ_HAS_OA1 0x1
327 #define MDS_GETATTR 1
331 #define MDS_READPAGE 6
332 #define MDS_CONNECT 7
333 #define MDS_DISCONNECT 8
334 #define MDS_GETSTATUS 9
335 #define MDS_STATFS 10
336 #define MDS_GETLOVINFO 11
338 #define REINT_SETATTR 1
339 #define REINT_CREATE 2
341 #define REINT_UNLINK 4
342 #define REINT_RENAME 5
345 #define REINT_OPCODE_MASK 0xff /* opcodes must fit into this mask */
346 #define REINT_REPLAYING 0x1000 /* masked into the opcode to indicate replay */
355 #define MDS_STATUS_CONN 1
356 #define MDS_STATUS_LOV 2
358 struct mds_status_req {
363 struct mds_fileh_body {
365 struct lustre_handle f_handle;
368 struct mds_conn_status {
369 struct ll_fid rootfid;
371 __u64 last_committed;
373 /* XXX preallocated quota & obj fields here */
379 struct lustre_handle handle;
381 __u32 ino; /* make this a __u64 */
398 /* This is probably redundant with OBD_MD_FLEASIZE, but we need an audit */
399 #define MDS_OPEN_HAS_EA 1 /* this open has an EA, for a delayed create*/
401 /* MDS update records */
404 //struct mds_update_record_hdr {
408 struct mds_rec_setattr {
415 struct ll_fid sa_fid;
426 struct mds_rec_create {
433 struct ll_fid cr_fid;
434 struct ll_fid cr_replayfid;
441 struct mds_rec_link {
446 struct ll_fid lk_fid1;
447 struct ll_fid lk_fid2;
450 struct mds_rec_unlink {
457 struct ll_fid ul_fid1;
458 struct ll_fid ul_fid2;
461 struct mds_rec_rename {
466 struct ll_fid rn_fid1;
467 struct ll_fid rn_fid2;
472 * LOV data structures
479 __u32 ld_tgt_count; /* how many OBD's */
480 __u32 ld_active_tgt_count; /* how many active */
481 __u32 ld_default_stripe_count; /* how many objects are used */
482 __u64 ld_default_stripe_size; /* in bytes */
483 __u64 ld_default_stripe_offset; /* in bytes */
484 __u32 ld_pattern; /* RAID 0,1 etc */
491 /* opcodes -- MUST be distinct from OST/MDS opcodes */
492 #define LDLM_ENQUEUE 101
493 #define LDLM_CONVERT 102
494 #define LDLM_CANCEL 103
495 #define LDLM_BL_CALLBACK 104
496 #define LDLM_CP_CALLBACK 105
498 #define RES_NAME_SIZE 3
499 #define RES_VERSION_SIZE 4
520 /* Note this unaligned structure; as long as it's only used in ldlm_request
521 * below, we're probably fine. */
522 struct ldlm_resource_desc {
524 __u64 lr_name[RES_NAME_SIZE];
525 __u32 lr_version[RES_VERSION_SIZE];
528 struct ldlm_lock_desc {
529 struct ldlm_resource_desc l_resource;
530 ldlm_mode_t l_req_mode;
531 ldlm_mode_t l_granted_mode;
532 struct ldlm_extent l_extent;
533 __u32 l_version[RES_VERSION_SIZE];
536 struct ldlm_request {
538 struct ldlm_lock_desc lock_desc;
539 struct lustre_handle lock_handle1;
540 struct lustre_handle lock_handle2;
546 __u64 lock_resource_name[RES_NAME_SIZE];
547 struct lustre_handle lock_handle;
548 struct ldlm_extent lock_extent; /* XXX make this policy 1 &2 */
549 __u64 lock_policy_res1;
550 __u64 lock_policy_res2;