dev_iface.h

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00001 /*
00002  * Copyright (c) 2010 Lenka Trochtova
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  *
00009  * - Redistributions of source code must retain the above copyright
00010  *   notice, this list of conditions and the following disclaimer.
00011  * - Redistributions in binary form must reproduce the above copyright
00012  *   notice, this list of conditions and the following disclaimer in the
00013  *   documentation and/or other materials provided with the distribution.
00014  * - The name of the author may not be used to endorse or promote products
00015  *   derived from this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
00018  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00019  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00020  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
00021  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00022  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00023  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00024  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00025  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
00026  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00027  */
00028 
00035 #ifndef LIBDRV_DEV_IFACE_H_
00036 #define LIBDRV_DEV_IFACE_H_
00037 
00038 #include <ipc/common.h>
00039 #include <ipc/dev_iface.h>
00040 
00041 /*
00042  * Device interface
00043  */
00044 
00045 struct ddf_fun;
00046 
00047 /*
00048  * First two parameters: device and interface structure registered by the
00049  * devices driver.
00050  */
00051 typedef void remote_iface_func_t(struct ddf_fun *, void *, ipc_callid_t,
00052     ipc_call_t *);
00053 typedef remote_iface_func_t *remote_iface_func_ptr_t;
00054 typedef void remote_handler_t(struct ddf_fun *, ipc_callid_t, ipc_call_t *);
00055 
00056 typedef struct {
00057         size_t method_count;
00058         remote_iface_func_ptr_t *methods;
00059 } remote_iface_t;
00060 
00061 typedef struct {
00062         remote_iface_t *ifaces[DEV_IFACE_COUNT];
00063 } iface_dipatch_table_t;
00064 
00065 extern remote_iface_t *get_remote_iface(int);
00066 extern remote_iface_func_ptr_t get_remote_method(remote_iface_t *, sysarg_t);
00067 
00068 
00069 extern bool is_valid_iface_idx(int);
00070 
00071 #endif
00072 

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