1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (C) 2002 Cluster File Systems, Inc.
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.
26 #include <linux/kp30.h>
27 #include <portals/p30.h>
28 #include <linux/lustre_idl.h>
30 /* FOO_REQUEST_PORTAL receives requests for the FOO subsystem.
31 * FOO_REPLY_PORTAL receives replies _from_ the FOO subsystem. */
32 #define OSC_REQUEST_PORTAL 1
33 #define OSC_REPLY_PORTAL 2
34 #define MDS_REQUEST_PORTAL 3
35 #define MDS_REPLY_PORTAL 4
36 #define OST_REQUEST_PORTAL 5
37 #define OST_REPLY_PORTAL 6
38 #define MDC_BULK_PORTAL 7
39 #define MDS_BULK_PORTAL 8
40 #define OSC_BULK_PORTAL 9
41 #define OST_BULK_PORTAL 10
43 /* default rpc ring length */
44 #define RPC_RING_LENGTH 2
46 /* generic wrappable next */
47 #define NEXT_INDEX(index, max) (((index+1) >= max) ? 0 : (index+1))
50 struct ptlrpc_service {
51 char *srv_buf[RPC_RING_LENGTH];
56 __u32 srv_ring_length;
58 __u32 srv_ref_count[RPC_RING_LENGTH];
60 struct lustre_peer srv_self;
62 /* FIXME: perhaps a list of EQs, if multiple NIs are used? */
63 ptl_handle_eq_t srv_eq_h;
65 ptl_handle_me_t srv_me_h[RPC_RING_LENGTH];
66 ptl_process_id_t srv_id;
67 ptl_md_t srv_md[RPC_RING_LENGTH];
68 ptl_handle_md_t srv_md_h[RPC_RING_LENGTH];
69 wait_queue_head_t *srv_wait_queue;
70 int (*srv_req_unpack)(char *buf, int len, struct ptlreq_hdr **,
72 int (*srv_rep_pack)(char *buf1, int len1, char *buf2, int len2,
73 struct ptlrep_hdr **, union ptl_rep*,
74 int *replen, char **repbuf);
77 struct ptlrpc_request {
78 int rq_type; /* one of PTLRPC_REQUEST, PTLRPC_REPLY, PTLRPC_BULK */
79 struct list_head rq_list;
80 struct mds_obd *rq_obd;
81 struct ost_obd *rq_ost;
87 struct ptlreq_hdr *rq_reqhdr;
92 struct ptlrep_hdr *rq_rephdr;
97 int (*rq_bulk_cb)(struct ptlrpc_request *, void *);
99 void *rq_reply_handle;
100 wait_queue_head_t rq_wait_for_rep;
101 wait_queue_head_t rq_wait_for_bulk;
103 ptl_md_t rq_reply_md;
104 ptl_handle_md_t rq_reply_md_h;
105 ptl_handle_me_t rq_reply_me_h;
109 ptl_handle_md_t rq_bulk_md_h;
110 ptl_handle_me_t rq_bulk_me_h;
111 __u32 rq_reply_portal;
113 __u32 rq_bulk_portal;
115 struct lustre_peer rq_peer;
118 struct ptlrpc_client {
119 struct lustre_peer cli_server;
120 __u32 cli_request_portal;
121 __u32 cli_reply_portal;
123 int (*cli_rep_unpack)(char *buf, int len, struct ptlrep_hdr **,
125 int (*cli_req_pack)(char *buf1, int len1, char *buf2, int len2,
126 struct ptlreq_hdr **, union ptl_req*,
127 int *reqlen, char **reqbuf);
128 int (*cli_enqueue)(struct ptlrpc_request *req);
132 #define PTLRPC_REQUEST 1
133 #define PTLRPC_REPLY 2
134 #define PTLRPC_BULK 3
136 int ptl_send_buf(struct ptlrpc_request *request, struct lustre_peer *peer,
138 int ptl_send_rpc(struct ptlrpc_request *request, struct lustre_peer *peer);
139 int ptl_received_rpc(struct ptlrpc_service *service);
140 int rpc_register_service(struct ptlrpc_service *service, char *uuid);
141 int rpc_unregister_service(struct ptlrpc_service *service);
142 int ptlrpc_queue_wait(struct ptlrpc_request *req,
143 struct ptlrpc_client *cl);
144 struct ptlrpc_request *ptlrpc_prep_req(struct ptlrpc_client *cl,
145 int opcode, int namelen, char *name,
146 int tgtlen, char *tgt);
147 void ptlrpc_free_req(struct ptlrpc_request *request);
152 # define LUSTRE_NAL "ksocknal"
154 # define LUSTRE_NAL "kqswnal"