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1 /*
2  * This file is part of ioctl_rtc strace test.
3  *
4  * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
5  * Copyright (c) 2016-2017 The strace developers.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. The name of the author may not be used to endorse or promote products
17  *    derived from this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include "tests.h"
32 #include <errno.h>
33 #include <stdio.h>
34 #include <string.h>
35 #include <sys/ioctl.h>
36 #include <linux/types.h>
37 #include <linux/rtc.h>
38 #include "xlat.h"
39 
40 static const unsigned long lmagic = (unsigned long) 0xdeadbeefbadc0dedULL;
41 
42 static void
print_rtc_time(const struct rtc_time * rt)43 print_rtc_time(const struct rtc_time *rt)
44 {
45 	printf("{tm_sec=%d, tm_min=%d, tm_hour=%d"
46 	       ", tm_mday=%d, tm_mon=%d, tm_year=%d",
47 	       rt->tm_sec, rt->tm_min, rt->tm_hour,
48 	       rt->tm_mday, rt->tm_mon, rt->tm_year);
49 #if VERBOSE
50 	printf(", tm_wday=%d, tm_yday=%d, tm_isdst=%d}",
51 	       rt->tm_wday, rt->tm_yday, rt->tm_isdst);
52 #else
53 	printf(", ...}");
54 #endif
55 }
56 
57 static struct xlat rtc_argless[] = {
58 	XLAT(RTC_AIE_OFF),
59 	XLAT(RTC_PIE_ON),
60 	XLAT(RTC_PIE_OFF),
61 	XLAT(RTC_UIE_ON),
62 	XLAT(RTC_WIE_ON),
63 	XLAT(RTC_WIE_OFF),
64 #ifdef RTC_VL_CLR
65 	XLAT(RTC_VL_CLR),
66 #endif
67 };
68 
69 int
main(void)70 main(void)
71 {
72 	const unsigned int size = get_page_size();
73 
74 	void *const page = tail_alloc(size);
75 	fill_memory(page, size);
76 
77 	TAIL_ALLOC_OBJECT_CONST_PTR(struct rtc_time, rt);
78 	fill_memory(rt, sizeof(*rt));
79 
80 	TAIL_ALLOC_OBJECT_CONST_PTR(struct rtc_wkalrm, wk);
81 	fill_memory(wk, sizeof(*wk));
82 
83 	TAIL_ALLOC_OBJECT_CONST_PTR(struct rtc_pll_info, pll);
84 	fill_memory(pll, sizeof(*pll));
85 
86 	/* RTC_ALM_READ */
87 	ioctl(-1, RTC_ALM_READ, 0);
88 	printf("ioctl(-1, RTC_ALM_READ, NULL) = -1 EBADF (%m)\n");
89 
90 	ioctl(-1, RTC_ALM_READ, page);
91 	printf("ioctl(-1, RTC_ALM_READ, %p) = -1 EBADF (%m)\n", page);
92 
93 	/* RTC_RD_TIME */
94 	ioctl(-1, RTC_RD_TIME, 0);
95 	printf("ioctl(-1, RTC_RD_TIME, NULL) = -1 EBADF (%m)\n");
96 
97 	ioctl(-1, RTC_RD_TIME, page);
98 	printf("ioctl(-1, RTC_RD_TIME, %p) = -1 EBADF (%m)\n", page);
99 
100 	/* RTC_ALM_SET */
101 	ioctl(-1, RTC_ALM_SET, 0);
102 	printf("ioctl(-1, RTC_ALM_SET, NULL) = -1 EBADF (%m)\n");
103 
104 	ioctl(-1, RTC_ALM_SET, rt);
105 	printf("ioctl(-1, RTC_ALM_SET, ");
106 	print_rtc_time(rt);
107 	errno = EBADF;
108 	printf(") = -1 EBADF (%m)\n");
109 
110 	/* RTC_SET_TIME */
111 	ioctl(-1, RTC_SET_TIME, 0);
112 	printf("ioctl(-1, RTC_SET_TIME, NULL) = -1 EBADF (%m)\n");
113 
114 	ioctl(-1, RTC_SET_TIME, rt);
115 	printf("ioctl(-1, RTC_SET_TIME, ");
116 	print_rtc_time(rt);
117 	errno = EBADF;
118 	printf(") = -1 EBADF (%m)\n");
119 
120 	/* RTC_IRQP_SET */
121 	ioctl(-1, RTC_IRQP_SET, lmagic);
122 	printf("ioctl(-1, RTC_IRQP_SET, %lu) = -1 EBADF (%m)\n", lmagic);
123 
124 	/* RTC_EPOCH_SET */
125 	ioctl(-1, RTC_EPOCH_SET, lmagic);
126 	printf("ioctl(-1, RTC_EPOCH_SET, %lu) = -1 EBADF (%m)\n", lmagic);
127 
128 	/* RTC_IRQP_READ */
129 	ioctl(-1, RTC_IRQP_READ, 0);
130 	printf("ioctl(-1, RTC_IRQP_READ, NULL) = -1 EBADF (%m)\n");
131 
132 	ioctl(-1, RTC_IRQP_READ, page);
133 	printf("ioctl(-1, RTC_IRQP_READ, %p) = -1 EBADF (%m)\n", page);
134 
135 	/* RTC_EPOCH_READ */
136 	ioctl(-1, RTC_EPOCH_READ, 0);
137 	printf("ioctl(-1, RTC_EPOCH_READ, NULL) = -1 EBADF (%m)\n");
138 
139 	ioctl(-1, RTC_EPOCH_READ, page);
140 	printf("ioctl(-1, RTC_EPOCH_READ, %p) = -1 EBADF (%m)\n", page);
141 
142 	/* RTC_WKALM_RD */
143 	ioctl(-1, RTC_WKALM_RD, 0);
144 	printf("ioctl(-1, RTC_WKALM_RD, NULL) = -1 EBADF (%m)\n");
145 
146 	ioctl(-1, RTC_WKALM_RD, page);
147 	printf("ioctl(-1, RTC_WKALM_RD, %p) = -1 EBADF (%m)\n", page);
148 
149 	/* RTC_WKALM_SET */
150 	ioctl(-1, RTC_WKALM_SET, 0);
151 	printf("ioctl(-1, RTC_WKALM_SET, NULL) = -1 EBADF (%m)\n");
152 
153 	ioctl(-1, RTC_WKALM_SET, wk);
154 	printf("ioctl(-1, RTC_WKALM_SET, {enabled=%u, pending=%u, time=",
155 	       (unsigned) wk->enabled, (unsigned) wk->pending);
156 	print_rtc_time(&wk->time);
157 	errno = EBADF;
158 	printf("}) = -1 EBADF (%m)\n");
159 
160 	/* RTC_PLL_GET */
161 	ioctl(-1, RTC_PLL_GET, 0);
162 	printf("ioctl(-1, RTC_PLL_GET, NULL) = -1 EBADF (%m)\n");
163 
164 	ioctl(-1, RTC_PLL_GET, page);
165 	printf("ioctl(-1, RTC_PLL_GET, %p) = -1 EBADF (%m)\n", page);
166 
167 	/* RTC_PLL_SET */
168 	ioctl(-1, RTC_PLL_SET, 0);
169 	printf("ioctl(-1, RTC_PLL_SET, NULL) = -1 EBADF (%m)\n");
170 
171 	ioctl(-1, RTC_PLL_SET, pll);
172 	printf("ioctl(-1, RTC_PLL_SET, {pll_ctrl=%d, pll_value=%d"
173 	       ", pll_max=%d, pll_min=%d, pll_posmult=%d, pll_negmult=%d"
174 	       ", pll_clock=%ld}) = -1 EBADF (%m)\n",
175 	       pll->pll_ctrl, pll->pll_value, pll->pll_max, pll->pll_min,
176 	       pll->pll_posmult, pll->pll_negmult, pll->pll_clock);
177 
178 #ifdef RTC_VL_READ
179 	/* RTC_VL_READ */
180 	ioctl(-1, RTC_VL_READ, 0);
181 	printf("ioctl(-1, RTC_VL_READ, NULL) = -1 EBADF (%m)\n");
182 
183 	ioctl(-1, RTC_VL_READ, page);
184 	printf("ioctl(-1, RTC_VL_READ, %p) = -1 EBADF (%m)\n", page);
185 #endif
186 
187 	unsigned int i;
188 	for (i = 0; i < ARRAY_SIZE(rtc_argless); ++i) {
189 		ioctl(-1, (unsigned long) rtc_argless[i].val, lmagic);
190 		printf("ioctl(-1, %s) = -1 EBADF (%m)\n", rtc_argless[i].str);
191 	}
192 
193 	ioctl(-1, RTC_UIE_OFF, lmagic);
194 	printf("ioctl(-1, %s) = -1 EBADF (%m)\n", "PHN_NOT_OH or RTC_UIE_OFF");
195 
196 	ioctl(-1, RTC_AIE_ON, lmagic);
197 #ifdef HPPA
198 	printf("ioctl(-1, %s) = -1 EBADF (%m)\n", "PA_PERF_ON or RTC_AIE_ON");
199 #else
200 	printf("ioctl(-1, %s) = -1 EBADF (%m)\n", "RTC_AIE_ON");
201 #endif
202 
203 	ioctl(-1, _IO(0x70, 0x40), lmagic);
204 	printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n", "NVRAM_INIT", lmagic);
205 
206 	puts("+++ exited with 0 +++");
207 	return 0;
208 }
209