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* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 only,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is included
* in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
* http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
* GPL HEADER END
*/
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
* Copyright (c) 2011, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
*
* /lnet/selftest/conrpc.h
*
* Console rpc
*
* Author: Liang Zhen <liang@whamcloud.com>
*/
#ifndef __LST_CONRPC_H__
#define __LST_CONRPC_H__
#include "../../include/linux/libcfs/libcfs.h"
#include "../../include/linux/lnet/lnet.h"
#include "../../include/linux/lnet/lib-types.h"
#include "../../include/linux/lnet/lnetst.h"
#include "rpc.h"
#include "selftest.h"
/* Console rpc and rpc transaction */
#define LST_TRANS_TIMEOUT 30
#define LST_TRANS_MIN_TIMEOUT 3
#define LST_VALIDATE_TIMEOUT(t) min(max(t, LST_TRANS_MIN_TIMEOUT), LST_TRANS_TIMEOUT)
#define LST_PING_INTERVAL 8
struct lstcon_rpc_trans;
struct lstcon_tsb_hdr;
struct lstcon_test;
struct lstcon_node;
struct lstcon_rpc {
struct list_head crp_link; /* chain on rpc transaction */
struct srpc_client_rpc *crp_rpc; /* client rpc */
struct lstcon_node *crp_node; /* destination node */
struct lstcon_rpc_trans *crp_trans; /* conrpc transaction */
unsigned int crp_posted:1; /* rpc is posted */
unsigned int crp_finished:1; /* rpc is finished */
unsigned int crp_unpacked:1; /* reply is unpacked */
/** RPC is embedded in other structure and can't free it */
unsigned int crp_embedded:1;
int crp_status; /* console rpc errors */
unsigned long crp_stamp; /* replied time stamp */
};
struct lstcon_rpc_trans {
struct list_head tas_olink; /* link chain on owner list */
struct list_head tas_link; /* link chain on global list */
int tas_opc; /* operation code of transaction */
unsigned tas_feats_updated; /* features mask is uptodate */
unsigned tas_features; /* test features mask */
wait_queue_head_t tas_waitq; /* wait queue head */
atomic_t tas_remaining; /* # of un-scheduled rpcs */
struct list_head tas_rpcs_list; /* queued requests */
};
#define LST_TRANS_PRIVATE 0x1000
#define LST_TRANS_SESNEW (LST_TRANS_PRIVATE | 0x01)
#define LST_TRANS_SESEND (LST_TRANS_PRIVATE | 0x02)
#define LST_TRANS_SESQRY 0x03
#define LST_TRANS_SESPING 0x04
#define LST_TRANS_TSBCLIADD (LST_TRANS_PRIVATE | 0x11)
#define LST_TRANS_TSBSRVADD (LST_TRANS_PRIVATE | 0x12)
#define LST_TRANS_TSBRUN (LST_TRANS_PRIVATE | 0x13)
#define LST_TRANS_TSBSTOP (LST_TRANS_PRIVATE | 0x14)
#define LST_TRANS_TSBCLIQRY 0x15
#define LST_TRANS_TSBSRVQRY 0x16
#define LST_TRANS_STATQRY 0x21
typedef int (*lstcon_rpc_cond_func_t)(int, struct lstcon_node *, void *);
typedef int (*lstcon_rpc_readent_func_t)(int, struct srpc_msg *,
lstcon_rpc_ent_t __user *);
int lstcon_sesrpc_prep(struct lstcon_node *nd, int transop,
unsigned version, struct lstcon_rpc **crpc);
int lstcon_dbgrpc_prep(struct lstcon_node *nd,
unsigned version, struct lstcon_rpc **crpc);
int lstcon_batrpc_prep(struct lstcon_node *nd, int transop, unsigned version,
struct lstcon_tsb_hdr *tsb, struct lstcon_rpc **crpc);
int lstcon_testrpc_prep(struct lstcon_node *nd, int transop, unsigned version,
struct lstcon_test *test, struct lstcon_rpc **crpc);
int lstcon_statrpc_prep(struct lstcon_node *nd, unsigned version,
struct lstcon_rpc **crpc);
void lstcon_rpc_put(struct lstcon_rpc *crpc);
int lstcon_rpc_trans_prep(struct list_head *translist,
int transop, struct lstcon_rpc_trans **transpp);
int lstcon_rpc_trans_ndlist(struct list_head *ndlist,
struct list_head *translist, int transop,
void *arg, lstcon_rpc_cond_func_t condition,
struct lstcon_rpc_trans **transpp);
void lstcon_rpc_trans_stat(struct lstcon_rpc_trans *trans,
lstcon_trans_stat_t *stat);
int lstcon_rpc_trans_interpreter(struct lstcon_rpc_trans *trans,
struct list_head __user *head_up,
lstcon_rpc_readent_func_t readent);
void lstcon_rpc_trans_abort(struct lstcon_rpc_trans *trans, int error);
void lstcon_rpc_trans_destroy(struct lstcon_rpc_trans *trans);
void lstcon_rpc_trans_addreq(struct lstcon_rpc_trans *trans, struct lstcon_rpc *req);
int lstcon_rpc_trans_postwait(struct lstcon_rpc_trans *trans, int timeout);
int lstcon_rpc_pinger_start(void);
void lstcon_rpc_pinger_stop(void);
void lstcon_rpc_cleanup_wait(void);
int lstcon_rpc_module_init(void);
void lstcon_rpc_module_fini(void);
#endif
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