fs/9p/mux.h

   1 /*
   2  * linux/fs/9p/mux.h
   3  *
   4  * Multiplexer Definitions
   5  *
   6  *  Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  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 /* structure to manage each RPC transaction */
  27
  28 struct v9fs_rpcreq {
  29         struct v9fs_fcall *tcall;
  30         struct v9fs_fcall *rcall;
  31         int err;        /* error code if response failed */
  32
  33         /* XXX - could we put scatter/gather buffers here? */
  34
  35         struct list_head next;
  36 };
  37
  38 int v9fs_mux_init(struct v9fs_session_info *v9ses, const char *dev_name);
  39 long v9fs_mux_rpc(struct v9fs_session_info *v9ses,
  40                   struct v9fs_fcall *tcall, struct v9fs_fcall **rcall);
  41 void v9fs_mux_cancel_requests(struct v9fs_session_info *v9ses, int err);