source: mainline/uspace/lib/c/include/bd_srv.h@ 20b7c08

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 20b7c08 was 135486d, checked in by Jiri Svoboda <jiri@…>, 13 years ago

Allow more than one client connection to block device.

  • Property mode set to 100644
File size: 2.4 KB
Line 
1/*
2 * Copyright (c) 2012 Jiri Svoboda
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup libc
30 * @{
31 */
32/** @file
33 */
34
35#ifndef LIBC_BD_SRV_H_
36#define LIBC_BD_SRV_H_
37
38#include <adt/list.h>
39#include <async.h>
40#include <fibril_synch.h>
41#include <bool.h>
42#include <sys/types.h>
43
44typedef struct bd_ops bd_ops_t;
45
46/** Service setup (per sevice) */
47typedef struct {
48 bd_ops_t *ops;
49 void *sarg;
50} bd_srvs_t;
51
52/** Server structure (per client session) */
53typedef struct {
54 bd_srvs_t *srvs;
55 async_sess_t *client_sess;
56 void *carg;
57} bd_srv_t;
58
59typedef struct bd_ops {
60 int (*open)(bd_srvs_t *, bd_srv_t *);
61 int (*close)(bd_srv_t *);
62 int (*read_blocks)(bd_srv_t *, aoff64_t, size_t, void *, size_t);
63 int (*read_toc)(bd_srv_t *, uint8_t, void *, size_t);
64 int (*write_blocks)(bd_srv_t *, aoff64_t, size_t, const void *, size_t);
65 int (*get_block_size)(bd_srv_t *, size_t *);
66 int (*get_num_blocks)(bd_srv_t *, aoff64_t *);
67} bd_ops_t;
68
69extern void bd_srvs_init(bd_srvs_t *);
70
71extern int bd_conn(ipc_callid_t, ipc_call_t *, bd_srvs_t *);
72
73#endif
74
75/** @}
76 */
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