blob: f72f98ab84e3605f51e98aeb35c861ca5bef2ea7 [file] [log] [blame]
Dmitry V. Levin746db062015-07-04 08:56:21 +00001/*
2 * Copyright (c) 2004 Ulrich Drepper <drepper@redhat.com>
3 * Copyright (c) 2004 Dmitry V. Levin <ldv@altlinux.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. 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 * 3. 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#include "defs.h"
30#include <linux/ioctl.h>
31#include <linux/rtc.h>
32
33static void
34print_rtc(struct tcb *tcp, const struct rtc_time *rt)
35{
36 tprintf("{tm_sec=%d, tm_min=%d, tm_hour=%d, "
37 "tm_mday=%d, tm_mon=%d, tm_year=%d, ",
38 rt->tm_sec, rt->tm_min, rt->tm_hour,
39 rt->tm_mday, rt->tm_mon, rt->tm_year);
40 if (!abbrev(tcp))
41 tprintf("tm_wday=%d, tm_yday=%d, tm_isdst=%d}",
42 rt->tm_wday, rt->tm_yday, rt->tm_isdst);
43 else
44 tprints("...}");
45}
46
47int
48rtc_ioctl(struct tcb *tcp, const unsigned int code, const long arg)
49{
50 switch (code) {
51 case RTC_ALM_SET:
52 case RTC_SET_TIME:
53 if (entering(tcp)) {
54 struct rtc_time rt;
55 if (umove(tcp, arg, &rt) < 0)
56 tprintf(", %#lx", arg);
57 else {
58 tprints(", ");
59 print_rtc(tcp, &rt);
60 }
61 }
62 break;
63 case RTC_ALM_READ:
64 case RTC_RD_TIME:
65 if (exiting(tcp)) {
66 struct rtc_time rt;
67 if (syserror(tcp) || umove(tcp, arg, &rt) < 0)
68 tprintf(", %#lx", arg);
69 else {
70 tprints(", ");
71 print_rtc(tcp, &rt);
72 }
73 }
74 break;
75 case RTC_IRQP_SET:
76 case RTC_EPOCH_SET:
77 if (entering(tcp))
78 tprintf(", %lu", arg);
79 break;
80 case RTC_IRQP_READ:
81 case RTC_EPOCH_READ:
82 if (exiting(tcp))
83 tprintf(", %lu", arg);
84 break;
85 case RTC_WKALM_SET:
86 if (entering(tcp)) {
87 struct rtc_wkalrm wk;
88 if (umove(tcp, arg, &wk) < 0)
89 tprintf(", %#lx", arg);
90 else {
91 tprintf(", {enabled=%d, pending=%d, ",
92 wk.enabled, wk.pending);
93 print_rtc(tcp, &wk.time);
94 tprints("}");
95 }
96 }
97 break;
98 case RTC_WKALM_RD:
99 if (exiting(tcp)) {
100 struct rtc_wkalrm wk;
101 if (syserror(tcp) || umove(tcp, arg, &wk) < 0)
102 tprintf(", %#lx", arg);
103 else {
104 tprintf(", {enabled=%d, pending=%d, ",
105 wk.enabled, wk.pending);
106 print_rtc(tcp, &wk.time);
107 tprints("}");
108 }
109 }
110 break;
111 default:
112 return 0;
113 }
114 return 1;
115}