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
75 #define PTLBD_REQUEST_PORTAL 19
76 #define PTLBD_REPLY_PORTAL 20
77 #define PTLBD_BULK_PORTAL 21
83 #define SVC_STOPPING 16
84 #define SVC_STOPPED 32
86 #define LUSTRE_CONN_NEW 1
87 #define LUSTRE_CONN_CON 2
88 #define LUSTRE_CONN_RECOVD 3
89 #define LUSTRE_CONN_FULL 4
92 #define PTL_RPC_MSG_REQUEST 4711
93 #define PTL_RPC_MSG_ERR 4712
94 #define PTL_RPC_MSG_REPLY 4713
96 #define PTLRPC_MSG_MAGIC (cpu_to_le32(0x0BD00BD0))
97 #define PTLRPC_MSG_VERSION (cpu_to_le32(0x00040001))
99 struct lustre_handle {
103 #define DEAD_HANDLE_MAGIC 0xdeadbeefcafebabe
105 static inline void ptlrpc_invalidate_handle(struct lustre_handle *hdl)
107 hdl->addr = hdl->cookie = 0; /* XXX invalid enough? */
110 /* we depend on this structure to be 8-byte aligned */
113 __u64 cookie; /* security token */
119 __u64 last_committed;
127 /* Flags that are operation-specific go in the top 16 bits. */
128 #define MSG_OP_FLAG_MASK 0xffff0000
129 #define MSG_OP_FLAG_SHIFT 16
131 /* Flags that apply to all requests are in the bottom 16 bits */
132 #define MSG_GEN_FLAG_MASK 0x0000ffff
133 #define MSG_LAST_REPLAY 1
136 /* XXX horrible interim hack -- see bug 578 */
137 #define MSG_REPLAY_IN_PROGRESS 4
139 static inline int lustre_msg_get_flags(struct lustre_msg *msg)
141 return (msg->flags & MSG_GEN_FLAG_MASK);
144 static inline void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
146 msg->flags |= MSG_GEN_FLAG_MASK & flags;
149 static inline void lustre_msg_set_flags(struct lustre_msg *msg, int flags)
151 msg->flags &= ~MSG_GEN_FLAG_MASK;
152 lustre_msg_add_flags(msg, flags);
155 static inline int lustre_msg_get_op_flags(struct lustre_msg *msg)
157 return (msg->flags >> MSG_OP_FLAG_SHIFT);
160 static inline void lustre_msg_set_op_flags(struct lustre_msg *msg, int flags)
162 msg->flags &= ~MSG_OP_FLAG_MASK;
163 msg->flags |= ((flags & MSG_GEN_FLAG_MASK) << MSG_OP_FLAG_SHIFT);
166 #define CONNMGR_REPLY 0
167 #define CONNMGR_CONNECT 1
170 * OST requests: OBDO & OBD request records
174 #define OST_REPLY 0 /* reply ? */
175 #define OST_GETATTR 1
176 #define OST_SETATTR 2
180 #define OST_DESTROY 6
181 #define OST_GET_INFO 7
182 #define OST_CONNECT 8
183 #define OST_DISCONNECT 9
187 #define OST_STATFS 13
190 typedef uint64_t obd_id;
191 typedef uint64_t obd_gr;
192 typedef uint64_t obd_time;
193 typedef uint64_t obd_size;
194 typedef uint64_t obd_off;
195 typedef uint64_t obd_blocks;
196 typedef uint32_t obd_blksize;
197 typedef uint32_t obd_mode;
198 typedef uint32_t obd_uid;
199 typedef uint32_t obd_gid;
200 typedef uint64_t obd_rdev;
201 typedef uint32_t obd_flag;
202 typedef uint32_t obd_count;
204 #define OBD_FL_INLINEDATA (0x00000001)
205 #define OBD_FL_OBDMDEXISTS (0x00000002)
207 #define OBD_INLINESZ 60
209 /* Note: 64-bit types are 64-bit aligned in structure */
219 obd_blksize o_blksize;
225 obd_count o_generation;
226 obd_flag o_valid; /* hot fields in this obdo */
229 char o_inline[OBD_INLINESZ];
232 struct lov_object_id { /* per-child structure */
236 #define LOV_MAGIC 0x0BD00BD0
240 __u64 lmm_object_id; /* lov object id */
241 __u32 lmm_stripe_size; /* size of the stripe */
242 __u32 lmm_stripe_offset; /* starting stripe offset in lmm_objects */
243 __u16 lmm_stripe_count; /* number of stipes in use for this object */
244 __u16 lmm_ost_count; /* how many OST idx are in this LOV md */
245 struct lov_object_id lmm_objects[0];
248 #define OBD_MD_FLALL (0xffffffff)
249 #define OBD_MD_FLID (0x00000001) /* object ID */
250 #define OBD_MD_FLATIME (0x00000002) /* access time */
251 #define OBD_MD_FLMTIME (0x00000004) /* data modification time */
252 #define OBD_MD_FLCTIME (0x00000008) /* change time */
253 #define OBD_MD_FLSIZE (0x00000010) /* size */
254 #define OBD_MD_FLBLOCKS (0x00000020) /* allocated blocks count */
255 #define OBD_MD_FLBLKSZ (0x00000040) /* block size */
256 #define OBD_MD_FLMODE (0x00000080) /* access bits (mode & ~S_IFMT) */
257 #define OBD_MD_FLTYPE (0x00000100) /* object type (mode & S_IFMT) */
258 #define OBD_MD_FLUID (0x00000200) /* user ID */
259 #define OBD_MD_FLGID (0x00000400) /* group ID */
260 #define OBD_MD_FLFLAGS (0x00000800) /* flags word */
261 #define OBD_MD_FLOBDFLG (0x00001000)
262 #define OBD_MD_FLNLINK (0x00002000) /* link count */
263 #define OBD_MD_FLGENER (0x00004000) /* generation number */
264 #define OBD_MD_FLINLINE (0x00008000) /* inline data */
265 #define OBD_MD_FLRDEV (0x00010000) /* device number */
266 #define OBD_MD_FLEASIZE (0x00020000) /* extended attribute data */
267 #define OBD_MD_LINKNAME (0x00040000) /* symbolic link target */
268 #define OBD_MD_FLHANDLE (0x00080000) /* file handle */
269 #define OBD_MD_FLNOTOBD (~(OBD_MD_FLOBDFLG | OBD_MD_FLBLOCKS | OBD_MD_LINKNAME|\
270 OBD_MD_FLEASIZE | OBD_MD_FLHANDLE))
285 /* ost_body.data values for OST_BRW */
287 #define OBD_BRW_READ 0x1
288 #define OBD_BRW_WRITE 0x2
289 #define OBD_BRW_RWMASK (OBD_BRW_READ | OBD_BRW_WRITE)
290 #define OBD_BRW_CREATE 0x4
292 #define OBD_OBJECT_EOF 0xffffffffffffffffULL
301 struct niobuf_remote {
308 #define CONNMGR_REPLY 0
309 #define CONNMGR_CONNECT 1
311 struct connmgr_body {
315 obd_uuid_t conn_uuid;
318 /* request structure for OST's */
320 #define OST_REQ_HAS_OA1 0x1
331 #define MDS_GETATTR 1
335 #define MDS_READPAGE 6
336 #define MDS_CONNECT 7
337 #define MDS_DISCONNECT 8
338 #define MDS_GETSTATUS 9
339 #define MDS_STATFS 10
340 #define MDS_GETLOVINFO 11
341 #define MDS_GETATTR_NAME 12
343 #define REINT_SETATTR 1
344 #define REINT_CREATE 2
346 #define REINT_UNLINK 4
347 #define REINT_RENAME 5
350 #define REINT_OPCODE_MASK 0xff /* opcodes must fit into this mask */
351 #define REINT_REPLAYING 0x1000 /* masked into the opcode to indicate replay */
360 #define MDS_STATUS_CONN 1
361 #define MDS_STATUS_LOV 2
363 struct mds_status_req {
368 struct mds_fileh_body {
370 struct lustre_handle f_handle;
373 struct mds_conn_status {
374 struct ll_fid rootfid;
376 __u64 last_committed;
378 /* XXX preallocated quota & obj fields here */
384 struct lustre_handle handle;
386 __u32 ino; /* make this a __u64 */
403 /* This is probably redundant with OBD_MD_FLEASIZE, but we need an audit */
404 #define MDS_OPEN_HAS_EA 1 /* this open has an EA, for a delayed create*/
406 /* MDS update records */
409 //struct mds_update_record_hdr {
413 struct mds_rec_setattr {
420 struct ll_fid sa_fid;
431 struct mds_rec_create {
438 struct ll_fid cr_fid;
439 struct ll_fid cr_replayfid;
446 struct mds_rec_link {
451 struct ll_fid lk_fid1;
452 struct ll_fid lk_fid2;
455 struct mds_rec_unlink {
462 struct ll_fid ul_fid1;
463 struct ll_fid ul_fid2;
466 struct mds_rec_rename {
471 struct ll_fid rn_fid1;
472 struct ll_fid rn_fid2;
477 * LOV data structures
484 __u32 ld_tgt_count; /* how many OBD's */
485 __u32 ld_active_tgt_count; /* how many active */
486 __u32 ld_default_stripe_count; /* how many objects are used */
487 __u64 ld_default_stripe_size; /* in bytes */
488 __u64 ld_default_stripe_offset; /* in bytes */
489 __u32 ld_pattern; /* RAID 0,1 etc */
496 /* opcodes -- MUST be distinct from OST/MDS opcodes */
497 #define LDLM_ENQUEUE 101
498 #define LDLM_CONVERT 102
499 #define LDLM_CANCEL 103
500 #define LDLM_BL_CALLBACK 104
501 #define LDLM_CP_CALLBACK 105
503 #define RES_NAME_SIZE 3
504 #define RES_VERSION_SIZE 4
525 /* Note this unaligned structure; as long as it's only used in ldlm_request
526 * below, we're probably fine. */
527 struct ldlm_resource_desc {
529 __u64 lr_name[RES_NAME_SIZE];
530 __u32 lr_version[RES_VERSION_SIZE];
533 struct ldlm_lock_desc {
534 struct ldlm_resource_desc l_resource;
535 ldlm_mode_t l_req_mode;
536 ldlm_mode_t l_granted_mode;
537 struct ldlm_extent l_extent;
538 __u32 l_version[RES_VERSION_SIZE];
541 struct ldlm_request {
543 struct ldlm_lock_desc lock_desc;
544 struct lustre_handle lock_handle1;
545 struct lustre_handle lock_handle2;
551 __u64 lock_resource_name[RES_NAME_SIZE];
552 struct lustre_handle lock_handle;
553 struct ldlm_extent lock_extent; /* XXX make this policy 1 &2 */
554 __u64 lock_policy_res1;
555 __u64 lock_policy_res2;
559 * ptlbd, portal block device requests