source: mainline/uspace/lib/drv/generic/remote_pio_window.c@ a46e56b

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since a46e56b was a46e56b, checked in by Jakub Jermar <jakub@…>, 7 years ago

Prefer handle over ID in naming handle variables

  • Property mode set to 100644
File size: 2.6 KB
Line 
1/*
2 * Copyright (c) 2013 Jakub Jermar
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 libdrv
30 * @{
31 */
32/** @file
33 */
34
35#include <async.h>
36#include <errno.h>
37#include <macros.h>
38
39#include "ops/pio_window.h"
40#include "ddf/driver.h"
41
42static void remote_pio_window_get(ddf_fun_t *, void *, cap_call_handle_t,
43 ipc_call_t *);
44
45static const remote_iface_func_ptr_t remote_pio_window_iface_ops [] = {
46 [PIO_WINDOW_GET] = &remote_pio_window_get
47};
48
49const remote_iface_t remote_pio_window_iface = {
50 .method_count = ARRAY_SIZE(remote_pio_window_iface_ops),
51 .methods = remote_pio_window_iface_ops
52};
53
54static void remote_pio_window_get(ddf_fun_t *fun, void *ops,
55 cap_call_handle_t chandle, ipc_call_t *call)
56{
57 pio_window_ops_t *pio_win_ops = (pio_window_ops_t *) ops;
58 size_t len;
59
60 if (!pio_win_ops->get_pio_window) {
61 async_answer_0(chandle, ENOTSUP);
62 return;
63 }
64
65 pio_window_t *pio_window = pio_win_ops->get_pio_window(fun);
66 if (!pio_window) {
67 async_answer_0(chandle, ENOENT);
68 return;
69 }
70
71 async_answer_0(chandle, EOK);
72
73 if (!async_data_read_receive(&chandle, &len)) {
74 /* Protocol error - the recipient is not accepting data */
75 return;
76 }
77
78 async_data_read_finalize(chandle, pio_window, len);
79}
80
81/**
82 * @}
83 */
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