+/*
+ * Copyright (c) 2014 Stefan Sørensen <stefan.sorensen@spectralink.com>
+ * Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
#include "defs.h"
-#include <sys/ioctl.h>
+#include <linux/ioctl.h>
#include <linux/ptp_clock.h>
#include "xlat/ptp_flags_options.h"
-
-int ptp_ioctl(struct tcb *tcp, long code, long arg)
+int
+ptp_ioctl(struct tcb *tcp, const unsigned int code, const long arg)
{
if (!verbose(tcp))
- return 0;
+ return RVAL_DECODED;
switch (code) {
- case PTP_CLOCK_GETCAPS: /* decode on exit */
- {
- struct ptp_clock_caps caps;
-
- if (entering(tcp) || syserror(tcp) ||
- umove(tcp, arg, &caps) < 0)
- return 0;
+ case PTP_EXTTS_REQUEST: {
+ struct ptp_extts_request extts;
- tprintf(", {max_adj=%d, n_alarm=%d, n_ext_ts=%d, n_per_out=%d, pps=%d}",
- caps.max_adj, caps.n_alarm, caps.n_ext_ts,
- caps.n_per_out, caps.pps);
- return 1;
- }
+ tprints(", ");
+ if (umove_or_printaddr(tcp, arg, &extts))
+ break;
- case PTP_EXTTS_REQUEST: /* decode on enter */
- {
- struct ptp_extts_request extts;
+ tprintf("{index=%d, flags=", extts.index);
+ printflags(ptp_flags_options, extts.flags, "PTP_???");
+ tprints("}");
+ break;
+ }
- if (exiting(tcp))
- return 1;
- if (umove(tcp, arg, &extts) < 0) {
- tprintf(", %#lx", arg);
- return 0;
- }
- tprintf(", {index=%d, flags=", extts.index);
- printflags(ptp_flags_options, extts.flags, "PTP_???");
- tprints("}");
- return 1;
- }
+ case PTP_PEROUT_REQUEST: {
+ struct ptp_perout_request perout;
+
+ tprints(", ");
+ if (umove_or_printaddr(tcp, arg, &perout))
+ break;
+
+ tprintf("{start={%" PRId64 ", %" PRIu32 "}"
+ ", period={%" PRId64 ", %" PRIu32 "}"
+ ", index=%d, flags=",
+ (int64_t)perout.start.sec, perout.start.nsec,
+ (int64_t)perout.period.sec, perout.period.nsec,
+ perout.index);
+ printflags(ptp_flags_options, perout.flags, "PTP_???");
+ tprints("}");
+ break;
+ }
- case PTP_PEROUT_REQUEST: /* decode on enter */
- {
- struct ptp_perout_request perout;
+ case PTP_ENABLE_PPS:
+ tprintf(", %ld", arg);
+ break;
- if (exiting(tcp))
- return 1;
- if (umove(tcp, arg, &perout) < 0) {
- tprintf(", %#lx", arg);
- return 0;
- }
+ case PTP_SYS_OFFSET: {
+ struct ptp_sys_offset sysoff;
- tprintf(", {start={%" PRId64 ", %" PRIu32 "}"
- ", period={%" PRId64 ", %" PRIu32 "}"
- ", index=%d, flags=",
- (int64_t)perout.start.sec, perout.start.nsec,
- (int64_t)perout.period.sec, perout.period.nsec,
- perout.index);
- printflags(ptp_flags_options, perout.flags, "PTP_???");
- tprints("}");
- return 1;
- }
+ if (entering(tcp)) {
+ tprints(", ");
+ if (umove_or_printaddr(tcp, arg, &sysoff))
+ break;
- case PTP_ENABLE_PPS: /* decode on enter */
- if (entering(tcp))
- tprintf(", %ld", arg);
+ tprintf("{n_samples=%u", sysoff.n_samples);
return 1;
+ } else {
+ unsigned int n_samples, i;
- case PTP_SYS_OFFSET: /* decode on exit */
- {
- struct ptp_sys_offset sysoff;
- unsigned int i;
+ if (syserror(tcp)) {
+ tprints("}");
+ break;
+ }
- if (entering(tcp) || umove(tcp, arg, &sysoff) < 0)
- return 0;
+ tprints(", ");
+ if (umove(tcp, arg, &sysoff) < 0) {
+ tprints("???}");
+ break;
+ }
- tprintf(", {n_samples=%u, ts={", sysoff.n_samples);
- if (syserror(tcp)) {
- tprints("...}}");
- return 1;
+ tprints("ts=[");
+ n_samples = sysoff.n_samples > PTP_MAX_SAMPLES ?
+ PTP_MAX_SAMPLES : sysoff.n_samples;
+ for (i = 0; i < 2 * n_samples + 1; ++i) {
+ if (i > 0)
+ tprints(", ");
+ tprintf("{%" PRId64 ", %" PRIu32 "}",
+ (int64_t)sysoff.ts[i].sec,
+ sysoff.ts[i].nsec);
}
if (sysoff.n_samples > PTP_MAX_SAMPLES)
- sysoff.n_samples = PTP_MAX_SAMPLES;
- tprintf("{%" PRId64 ", %" PRIu32 "}",
- (int64_t)sysoff.ts[0].sec, sysoff.ts[0].nsec);
- for (i = 1; i < 2*sysoff.n_samples+1; ++i)
- tprintf(", {%" PRId64 ", %" PRIu32 "}",
- (int64_t)sysoff.ts[i].sec, sysoff.ts[i].nsec);
- tprints("}}");
- return 1;
+ tprints(", ...");
+ tprints("]}");
+ break;
}
+ }
+ case PTP_CLOCK_GETCAPS: {
+ struct ptp_clock_caps caps;
- default: /* decode on exit */
+ if (entering(tcp))
return 0;
+
+ tprints(", ");
+ if (umove_or_printaddr(tcp, arg, &caps))
+ break;
+
+ tprintf("{max_adj=%d, n_alarm=%d, n_ext_ts=%d, n_per_out=%d, pps=%d}",
+ caps.max_adj, caps.n_alarm, caps.n_ext_ts,
+ caps.n_per_out, caps.pps);
+ break;
}
+
+ default:
+ return RVAL_DECODED;
+ }
+
+ return RVAL_DECODED | 1;
}
projects / strace / blobdiff