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