include/net/9p/conn.h

   1 /*
   2  * include/net/9p/conn.h
   3  *
   4  * Connection Definitions
   5  *
   6  *  Copyright (C) 2005 by Latchesar Ionkov <lucho@ionkov.net>
   7  *  Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License version 2
  11  *  as published by the Free Software Foundation.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to:
  20  *  Free Software Foundation
  21  *  51 Franklin Street, Fifth Floor
  22  *  Boston, MA  02111-1301  USA
  23  *
  24  */
  25
  26 #ifndef NET_9P_CONN_H
  27 #define NET_9P_CONN_H
  28
  29 #undef P9_NONBLOCK
  30
  31 struct p9_conn;
  32 struct p9_req;
  33
  34 /**
  35  * p9_mux_req_callback - callback function that is called when the
  36  * response of a request is received. The callback is called from
  37  * a workqueue and shouldn't block.
  38  *
  39  * @req - request
  40  * @a - the pointer that was specified when the request was send to be
  41  *      passed to the callback
  42  */
  43 typedef void (*p9_conn_req_callback)(struct p9_req *req, void *a);
  44
  45 struct p9_conn *p9_conn_create(struct p9_trans *trans, int msize,
  46                                                         unsigned char *dotu);
  47 void p9_conn_destroy(struct p9_conn *);
  48 int p9_conn_rpc(struct p9_conn *m, struct p9_fcall *tc, struct p9_fcall **rc);
  49
  50 #ifdef P9_NONBLOCK
  51 int p9_conn_rpcnb(struct p9_conn *m, struct p9_fcall *tc,
  52         p9_conn_req_callback cb, void *a);
  53 #endif /* P9_NONBLOCK */
  54
  55 void p9_conn_cancel(struct p9_conn *m, int err);
  56
  57 #endif /* NET_9P_CONN_H */