1 /*
2  * This file is part of ioctl_rtc strace test.
3  *
4  * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #include "tests.h"
31 #include <errno.h>
32 #include <stdio.h>
33 #include <string.h>
34 #include <sys/ioctl.h>
35 #include <linux/types.h>
36 #include <linux/rtc.h>
37 #include "xlat.h"
38 
39 static const unsigned long lmagic = (unsigned long) 0xdeadbeefbadc0dedULL;
40 
41 static void
print_rtc_time(const struct rtc_time * rt)42 print_rtc_time(const struct rtc_time *rt)
43 {
44 	printf("{tm_sec=%d, tm_min=%d, tm_hour=%d"
45 	       ", tm_mday=%d, tm_mon=%d, tm_year=%d",
46 	       rt->tm_sec, rt->tm_min, rt->tm_hour,
47 	       rt->tm_mday, rt->tm_mon, rt->tm_year);
48 #if VERBOSE
49 	printf(", tm_wday=%d, tm_yday=%d, tm_isdst=%d}",
50 	       rt->tm_wday, rt->tm_yday, rt->tm_isdst);
51 #else
52 	printf(", ...}");
53 #endif
54 }
55 
56 static struct xlat rtc_argless[] = {
57 	XLAT(RTC_AIE_OFF),
58 	XLAT(RTC_PIE_ON),
59 	XLAT(RTC_PIE_OFF),
60 	XLAT(RTC_UIE_ON),
61 	XLAT(RTC_WIE_ON),
62 	XLAT(RTC_WIE_OFF),
63 #ifdef RTC_VL_CLR
64 	XLAT(RTC_VL_CLR),
65 #endif
66 };
67 
68 int
main(void)69 main(void)
70 {
71 	const unsigned int size = get_page_size();
72 
73 	void *const page = tail_alloc(size);
74 	fill_memory(page, size);
75 
76 	struct rtc_time *rt = tail_alloc(sizeof(*rt));
77 	fill_memory(rt, sizeof(*rt));
78 
79 	struct rtc_wkalrm *wk = tail_alloc(sizeof(*wk));
80 	fill_memory(wk, sizeof(*wk));
81 
82 	struct rtc_pll_info *pll = tail_alloc(sizeof(*pll));
83 	fill_memory(pll, sizeof(*pll));
84 
85 	/* RTC_ALM_READ */
86 	ioctl(-1, RTC_ALM_READ, 0);
87 	printf("ioctl(-1, RTC_ALM_READ, NULL) = -1 EBADF (%m)\n");
88 
89 	ioctl(-1, RTC_ALM_READ, page);
90 	printf("ioctl(-1, RTC_ALM_READ, %p) = -1 EBADF (%m)\n", page);
91 
92 	/* RTC_RD_TIME */
93 	ioctl(-1, RTC_RD_TIME, 0);
94 	printf("ioctl(-1, RTC_RD_TIME, NULL) = -1 EBADF (%m)\n");
95 
96 	ioctl(-1, RTC_RD_TIME, page);
97 	printf("ioctl(-1, RTC_RD_TIME, %p) = -1 EBADF (%m)\n", page);
98 
99 	/* RTC_ALM_SET */
100 	ioctl(-1, RTC_ALM_SET, 0);
101 	printf("ioctl(-1, RTC_ALM_SET, NULL) = -1 EBADF (%m)\n");
102 
103 	ioctl(-1, RTC_ALM_SET, rt);
104 	printf("ioctl(-1, RTC_ALM_SET, ");
105 	print_rtc_time(rt);
106 	errno = EBADF;
107 	printf(") = -1 EBADF (%m)\n");
108 
109 	/* RTC_SET_TIME */
110 	ioctl(-1, RTC_SET_TIME, 0);
111 	printf("ioctl(-1, RTC_SET_TIME, NULL) = -1 EBADF (%m)\n");
112 
113 	ioctl(-1, RTC_SET_TIME, rt);
114 	printf("ioctl(-1, RTC_SET_TIME, ");
115 	print_rtc_time(rt);
116 	errno = EBADF;
117 	printf(") = -1 EBADF (%m)\n");
118 
119 	/* RTC_IRQP_SET */
120 	ioctl(-1, RTC_IRQP_SET, lmagic);
121 	printf("ioctl(-1, RTC_IRQP_SET, %lu) = -1 EBADF (%m)\n", lmagic);
122 
123 	/* RTC_EPOCH_SET */
124 	ioctl(-1, RTC_EPOCH_SET, lmagic);
125 	printf("ioctl(-1, RTC_EPOCH_SET, %lu) = -1 EBADF (%m)\n", lmagic);
126 
127 	/* RTC_IRQP_READ */
128 	ioctl(-1, RTC_IRQP_READ, 0);
129 	printf("ioctl(-1, RTC_IRQP_READ, NULL) = -1 EBADF (%m)\n");
130 
131 	ioctl(-1, RTC_IRQP_READ, page);
132 	printf("ioctl(-1, RTC_IRQP_READ, %p) = -1 EBADF (%m)\n", page);
133 
134 	/* RTC_EPOCH_READ */
135 	ioctl(-1, RTC_EPOCH_READ, 0);
136 	printf("ioctl(-1, RTC_EPOCH_READ, NULL) = -1 EBADF (%m)\n");
137 
138 	ioctl(-1, RTC_EPOCH_READ, page);
139 	printf("ioctl(-1, RTC_EPOCH_READ, %p) = -1 EBADF (%m)\n", page);
140 
141 	/* RTC_WKALM_RD */
142 	ioctl(-1, RTC_WKALM_RD, 0);
143 	printf("ioctl(-1, RTC_WKALM_RD, NULL) = -1 EBADF (%m)\n");
144 
145 	ioctl(-1, RTC_WKALM_RD, page);
146 	printf("ioctl(-1, RTC_WKALM_RD, %p) = -1 EBADF (%m)\n", page);
147 
148 	/* RTC_WKALM_SET */
149 	ioctl(-1, RTC_WKALM_SET, 0);
150 	printf("ioctl(-1, RTC_WKALM_SET, NULL) = -1 EBADF (%m)\n");
151 
152 	ioctl(-1, RTC_WKALM_SET, wk);
153 	printf("ioctl(-1, RTC_WKALM_SET, {enabled=%u, pending=%u, time=",
154 	       (unsigned) wk->enabled, (unsigned) wk->pending);
155 	print_rtc_time(&wk->time);
156 	errno = EBADF;
157 	printf("}) = -1 EBADF (%m)\n");
158 
159 	/* RTC_PLL_GET */
160 	ioctl(-1, RTC_PLL_GET, 0);
161 	printf("ioctl(-1, RTC_PLL_GET, NULL) = -1 EBADF (%m)\n");
162 
163 	ioctl(-1, RTC_PLL_GET, page);
164 	printf("ioctl(-1, RTC_PLL_GET, %p) = -1 EBADF (%m)\n", page);
165 
166 	/* RTC_PLL_SET */
167 	ioctl(-1, RTC_PLL_SET, 0);
168 	printf("ioctl(-1, RTC_PLL_SET, NULL) = -1 EBADF (%m)\n");
169 
170 	ioctl(-1, RTC_PLL_SET, pll);
171 	printf("ioctl(-1, RTC_PLL_SET, {pll_ctrl=%d, pll_value=%d"
172 	       ", pll_max=%d, pll_min=%d, pll_posmult=%d, pll_negmult=%d"
173 	       ", pll_clock=%ld}) = -1 EBADF (%m)\n",
174 	       pll->pll_ctrl, pll->pll_value, pll->pll_max, pll->pll_min,
175 	       pll->pll_posmult, pll->pll_negmult, pll->pll_clock);
176 
177 #ifdef RTC_VL_READ
178 	/* RTC_VL_READ */
179 	ioctl(-1, RTC_VL_READ, 0);
180 	printf("ioctl(-1, RTC_VL_READ, NULL) = -1 EBADF (%m)\n");
181 
182 	ioctl(-1, RTC_VL_READ, page);
183 	printf("ioctl(-1, RTC_VL_READ, %p) = -1 EBADF (%m)\n", page);
184 #endif
185 
186 	unsigned int i;
187 	for (i = 0; i < ARRAY_SIZE(rtc_argless); ++i) {
188 		ioctl(-1, (unsigned long) rtc_argless[i].val, lmagic);
189 		printf("ioctl(-1, %s) = -1 EBADF (%m)\n", rtc_argless[i].str);
190 	}
191 
192 	ioctl(-1, RTC_UIE_OFF, lmagic);
193 	printf("ioctl(-1, %s) = -1 EBADF (%m)\n", "PHN_NOT_OH or RTC_UIE_OFF");
194 
195 	ioctl(-1, RTC_AIE_ON, lmagic);
196 #ifdef HPPA
197 	printf("ioctl(-1, %s) = -1 EBADF (%m)\n", "PA_PERF_ON or RTC_AIE_ON");
198 #else
199 	printf("ioctl(-1, %s) = -1 EBADF (%m)\n", "RTC_AIE_ON");
200 #endif
201 
202 	ioctl(-1, _IO(0x70, 0x40), lmagic);
203 	printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n", "NVRAM_INIT", lmagic);
204 
205 	puts("+++ exited with 0 +++");
206 	return 0;
207 }
208