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;
72 struct ptlrpc_request {
73 struct list_head rq_list;
74 struct mds_obd *rq_obd;
75 struct ost_obd *rq_ost;
80 struct ptlreq_hdr *rq_reqhdr;
86 struct ptlrep_hdr *rq_rephdr;
91 int (*rq_bulk_cb)(struct ptlrpc_request *, void *);
93 void * rq_reply_handle;
94 wait_queue_head_t rq_wait_for_rep;
95 wait_queue_head_t rq_wait_for_bulk;
98 ptl_handle_md_t rq_reply_md_h;
101 ptl_handle_md_t rq_bulk_md_h;
102 __u32 rq_reply_portal;
104 __u32 rq_bulk_portal;
106 struct lustre_peer rq_peer;
110 int ptl_send_buf(struct ptlrpc_request *request, struct lustre_peer *peer,
111 int portal, int is_request);
112 int ptl_send_rpc(struct ptlrpc_request *request, struct lustre_peer *peer);
113 int ptl_received_rpc(struct ptlrpc_service *service);
114 int rpc_register_service(struct ptlrpc_service *service, char *uuid);
115 int rpc_unregister_service(struct ptlrpc_service *service);
119 # define LUSTRE_NAL "ksocknal"
121 # define LUSTRE_NAL "kqswnal"