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