Branch data Line data Source code
1 : : /*
2 : : * Copyright (c) 2014 Stefan Sørensen <stefan.sorensen@spectralink.com>
3 : : * Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
4 : : * Copyright (c) 2014-2017 The strace developers.
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 "defs.h"
31 : : #include <linux/ioctl.h>
32 : : #include <linux/ptp_clock.h>
33 : :
34 : : #include "xlat/ptp_flags_options.h"
35 : :
36 : : int
37 : 0 : ptp_ioctl(struct tcb *const tcp, const unsigned int code,
38 : : const kernel_ulong_t arg)
39 : : {
40 [ # # ]: 0 : if (!verbose(tcp))
41 : : return RVAL_DECODED;
42 : :
43 [ # # # # : 0 : switch (code) {
# # ]
44 : : case PTP_EXTTS_REQUEST: {
45 : : struct ptp_extts_request extts;
46 : :
47 : 0 : tprints(", ");
48 [ # # ]: 0 : if (umove_or_printaddr(tcp, arg, &extts))
49 : : break;
50 : :
51 : 0 : tprintf("{index=%d, flags=", extts.index);
52 : 0 : printflags(ptp_flags_options, extts.flags, "PTP_???");
53 : 0 : tprints("}");
54 : 0 : break;
55 : : }
56 : :
57 : : case PTP_PEROUT_REQUEST: {
58 : : struct ptp_perout_request perout;
59 : :
60 : 0 : tprints(", ");
61 [ # # ]: 0 : if (umove_or_printaddr(tcp, arg, &perout))
62 : : break;
63 : :
64 : 0 : tprintf("{start={%" PRId64 ", %" PRIu32 "}"
65 : : ", period={%" PRId64 ", %" PRIu32 "}"
66 : : ", index=%d, flags=",
67 : 0 : (int64_t)perout.start.sec, perout.start.nsec,
68 : 0 : (int64_t)perout.period.sec, perout.period.nsec,
69 : : perout.index);
70 : 0 : printflags(ptp_flags_options, perout.flags, "PTP_???");
71 : 0 : tprints("}");
72 : 0 : break;
73 : : }
74 : :
75 : : case PTP_ENABLE_PPS:
76 : 0 : tprintf(", %" PRI_kld, arg);
77 : 0 : break;
78 : :
79 : : case PTP_SYS_OFFSET: {
80 : : struct ptp_sys_offset sysoff;
81 : :
82 [ # # ]: 0 : if (entering(tcp)) {
83 : 0 : tprints(", ");
84 [ # # ]: 0 : if (umove_or_printaddr(tcp, arg, &sysoff))
85 : : break;
86 : :
87 : 0 : tprintf("{n_samples=%u", sysoff.n_samples);
88 : 0 : return 1;
89 : : } else {
90 : : unsigned int n_samples, i;
91 : :
92 [ # # ]: 0 : if (syserror(tcp)) {
93 : 0 : tprints("}");
94 : 0 : break;
95 : : }
96 : :
97 : 0 : tprints(", ");
98 [ # # ]: 0 : if (umove(tcp, arg, &sysoff) < 0) {
99 : 0 : tprints("???}");
100 : 0 : break;
101 : : }
102 : :
103 : 0 : tprints("ts=[");
104 : 0 : n_samples = sysoff.n_samples > PTP_MAX_SAMPLES ?
105 : 0 : PTP_MAX_SAMPLES : sysoff.n_samples;
106 [ # # ]: 0 : for (i = 0; i < 2 * n_samples + 1; ++i) {
107 [ # # ]: 0 : if (i > 0)
108 : 0 : tprints(", ");
109 : 0 : tprintf("{%" PRId64 ", %" PRIu32 "}",
110 : 0 : (int64_t)sysoff.ts[i].sec,
111 : : sysoff.ts[i].nsec);
112 : : }
113 [ # # ]: 0 : if (sysoff.n_samples > PTP_MAX_SAMPLES)
114 : 0 : tprints(", ...");
115 : 0 : tprints("]}");
116 : 0 : break;
117 : : }
118 : : }
119 : : case PTP_CLOCK_GETCAPS: {
120 : : struct ptp_clock_caps caps;
121 : :
122 [ # # ]: 0 : if (entering(tcp))
123 : 0 : return 0;
124 : :
125 : 0 : tprints(", ");
126 [ # # ]: 0 : if (umove_or_printaddr(tcp, arg, &caps))
127 : : break;
128 : :
129 : 0 : tprintf("{max_adj=%d, n_alarm=%d, n_ext_ts=%d, n_per_out=%d, pps=%d}",
130 : : caps.max_adj, caps.n_alarm, caps.n_ext_ts,
131 : : caps.n_per_out, caps.pps);
132 : 0 : break;
133 : : }
134 : :
135 : : default:
136 : : return RVAL_DECODED;
137 : : }
138 : :
139 : : return RVAL_DECODED | 1;
140 : : }
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