1 /* 2 * GPL HEADER START 3 * 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 only, 8 * as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, but 11 * WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * General Public License version 2 for more details (a copy is included 14 * in the LICENSE file that accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License 17 * version 2 along with this program; If not, see 18 * http://www.gnu.org/licenses/gpl-2.0.html 19 * 20 * GPL HEADER END 21 */ 22 /* 23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Use is subject to license terms. 25 * 26 * Copyright (c) 2011, Intel Corporation. 27 */ 28 /* 29 * This file is part of Lustre, http://www.lustre.org/ 30 * Lustre is a trademark of Sun Microsystems, Inc. 31 * 32 * /lnet/selftest/conrpc.h 33 * 34 * Console rpc 35 * 36 * Author: Liang Zhen <liang@whamcloud.com> 37 */ 38 39 #ifndef __LST_CONRPC_H__ 40 #define __LST_CONRPC_H__ 41 42 #include "../../include/linux/libcfs/libcfs.h" 43 #include "../../include/linux/lnet/lnet.h" 44 #include "../../include/linux/lnet/lib-types.h" 45 #include "../../include/linux/lnet/lnetst.h" 46 #include "rpc.h" 47 #include "selftest.h" 48 49 /* Console rpc and rpc transaction */ 50 #define LST_TRANS_TIMEOUT 30 51 #define LST_TRANS_MIN_TIMEOUT 3 52 53 #define LST_VALIDATE_TIMEOUT(t) min(max(t, LST_TRANS_MIN_TIMEOUT), LST_TRANS_TIMEOUT) 54 55 #define LST_PING_INTERVAL 8 56 57 struct lstcon_rpc_trans; 58 struct lstcon_tsb_hdr; 59 struct lstcon_test; 60 struct lstcon_node; 61 62 struct lstcon_rpc { 63 struct list_head crp_link; /* chain on rpc transaction */ 64 struct srpc_client_rpc *crp_rpc; /* client rpc */ 65 struct lstcon_node *crp_node; /* destination node */ 66 struct lstcon_rpc_trans *crp_trans; /* conrpc transaction */ 67 68 unsigned int crp_posted:1; /* rpc is posted */ 69 unsigned int crp_finished:1; /* rpc is finished */ 70 unsigned int crp_unpacked:1; /* reply is unpacked */ 71 /** RPC is embedded in other structure and can't free it */ 72 unsigned int crp_embedded:1; 73 int crp_status; /* console rpc errors */ 74 unsigned long crp_stamp; /* replied time stamp */ 75 }; 76 77 struct lstcon_rpc_trans { 78 struct list_head tas_olink; /* link chain on owner list */ 79 struct list_head tas_link; /* link chain on global list */ 80 int tas_opc; /* operation code of transaction */ 81 unsigned tas_feats_updated; /* features mask is uptodate */ 82 unsigned tas_features; /* test features mask */ 83 wait_queue_head_t tas_waitq; /* wait queue head */ 84 atomic_t tas_remaining; /* # of un-scheduled rpcs */ 85 struct list_head tas_rpcs_list; /* queued requests */ 86 }; 87 88 #define LST_TRANS_PRIVATE 0x1000 89 90 #define LST_TRANS_SESNEW (LST_TRANS_PRIVATE | 0x01) 91 #define LST_TRANS_SESEND (LST_TRANS_PRIVATE | 0x02) 92 #define LST_TRANS_SESQRY 0x03 93 #define LST_TRANS_SESPING 0x04 94 95 #define LST_TRANS_TSBCLIADD (LST_TRANS_PRIVATE | 0x11) 96 #define LST_TRANS_TSBSRVADD (LST_TRANS_PRIVATE | 0x12) 97 #define LST_TRANS_TSBRUN (LST_TRANS_PRIVATE | 0x13) 98 #define LST_TRANS_TSBSTOP (LST_TRANS_PRIVATE | 0x14) 99 #define LST_TRANS_TSBCLIQRY 0x15 100 #define LST_TRANS_TSBSRVQRY 0x16 101 102 #define LST_TRANS_STATQRY 0x21 103 104 typedef int (*lstcon_rpc_cond_func_t)(int, struct lstcon_node *, void *); 105 typedef int (*lstcon_rpc_readent_func_t)(int, struct srpc_msg *, 106 lstcon_rpc_ent_t __user *); 107 108 int lstcon_sesrpc_prep(struct lstcon_node *nd, int transop, 109 unsigned version, struct lstcon_rpc **crpc); 110 int lstcon_dbgrpc_prep(struct lstcon_node *nd, 111 unsigned version, struct lstcon_rpc **crpc); 112 int lstcon_batrpc_prep(struct lstcon_node *nd, int transop, unsigned version, 113 struct lstcon_tsb_hdr *tsb, struct lstcon_rpc **crpc); 114 int lstcon_testrpc_prep(struct lstcon_node *nd, int transop, unsigned version, 115 struct lstcon_test *test, struct lstcon_rpc **crpc); 116 int lstcon_statrpc_prep(struct lstcon_node *nd, unsigned version, 117 struct lstcon_rpc **crpc); 118 void lstcon_rpc_put(struct lstcon_rpc *crpc); 119 int lstcon_rpc_trans_prep(struct list_head *translist, 120 int transop, struct lstcon_rpc_trans **transpp); 121 int lstcon_rpc_trans_ndlist(struct list_head *ndlist, 122 struct list_head *translist, int transop, 123 void *arg, lstcon_rpc_cond_func_t condition, 124 struct lstcon_rpc_trans **transpp); 125 void lstcon_rpc_trans_stat(struct lstcon_rpc_trans *trans, 126 lstcon_trans_stat_t *stat); 127 int lstcon_rpc_trans_interpreter(struct lstcon_rpc_trans *trans, 128 struct list_head __user *head_up, 129 lstcon_rpc_readent_func_t readent); 130 void lstcon_rpc_trans_abort(struct lstcon_rpc_trans *trans, int error); 131 void lstcon_rpc_trans_destroy(struct lstcon_rpc_trans *trans); 132 void lstcon_rpc_trans_addreq(struct lstcon_rpc_trans *trans, struct lstcon_rpc *req); 133 int lstcon_rpc_trans_postwait(struct lstcon_rpc_trans *trans, int timeout); 134 int lstcon_rpc_pinger_start(void); 135 void lstcon_rpc_pinger_stop(void); 136 void lstcon_rpc_cleanup_wait(void); 137 int lstcon_rpc_module_init(void); 138 void lstcon_rpc_module_fini(void); 139 140 #endif 141