blob: 9473b84f24b24e397643fafea035af9aad255a13 [file] [log] [blame]
* linux/fs/9p/mux.h
* Multiplexer Definitions
* Copyright (C) 2005 by Latchesar Ionkov <>
* Copyright (C) 2004 by Eric Van Hensbergen <>
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to:
* Free Software Foundation
* 51 Franklin Street, Fifth Floor
* Boston, MA 02111-1301 USA
struct v9fs_mux_data;
* v9fs_mux_req_callback - callback function that is called when the
* response of a request is received. The callback is called from
* a workqueue and shouldn't block.
* @a - the pointer that was specified when the request was send to be
* passed to the callback
* @tc - request call
* @rc - response call
* @err - error code (non-zero if error occured)
typedef void (*v9fs_mux_req_callback)(void *a, struct v9fs_fcall *tc,
struct v9fs_fcall *rc, int err);
int v9fs_mux_global_init(void);
void v9fs_mux_global_exit(void);
struct v9fs_mux_data *v9fs_mux_init(struct v9fs_transport *trans, int msize,
unsigned char *extended);
void v9fs_mux_destroy(struct v9fs_mux_data *);
int v9fs_mux_send(struct v9fs_mux_data *m, struct v9fs_fcall *tc);
struct v9fs_fcall *v9fs_mux_recv(struct v9fs_mux_data *m);
int v9fs_mux_rpc(struct v9fs_mux_data *m, struct v9fs_fcall *tc, struct v9fs_fcall **rc);
int v9fs_mux_rpcnb(struct v9fs_mux_data *m, struct v9fs_fcall *tc,
v9fs_mux_req_callback cb, void *a);
void v9fs_mux_flush(struct v9fs_mux_data *m, int sendflush);
void v9fs_mux_cancel(struct v9fs_mux_data *m, int err);
int v9fs_errstr2errno(char *errstr, int len);