149 lines
4.0 KiB
C
149 lines
4.0 KiB
C
/*
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* Copyright (c) 2014 Stefan Sørensen <stefan.sorensen@spectralink.com>
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* Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2014-2018 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "defs.h"
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#ifdef HAVE_STRUCT_PTP_SYS_OFFSET
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# include <linux/ioctl.h>
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# include <linux/ptp_clock.h>
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# include "print_fields.h"
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# include "xlat/ptp_flags_options.h"
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int
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ptp_ioctl(struct tcb *const tcp, const unsigned int code,
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const kernel_ulong_t arg)
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{
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if (!verbose(tcp))
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return RVAL_DECODED;
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switch (code) {
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case PTP_EXTTS_REQUEST: {
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struct ptp_extts_request extts;
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tprints(", ");
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if (umove_or_printaddr(tcp, arg, &extts))
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break;
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PRINT_FIELD_D("{", extts, index);
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PRINT_FIELD_FLAGS(", ", extts, flags, ptp_flags_options, "PTP_???");
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tprints("}");
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break;
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}
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case PTP_PEROUT_REQUEST: {
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struct ptp_perout_request perout;
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tprints(", ");
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if (umove_or_printaddr(tcp, arg, &perout))
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break;
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PRINT_FIELD_D("{start={", perout.start, sec);
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PRINT_FIELD_U(", ", perout.start, nsec);
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PRINT_FIELD_D("}, period={", perout.period, sec);
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PRINT_FIELD_U(", ", perout.period, nsec);
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PRINT_FIELD_D("}, ", perout, index);
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PRINT_FIELD_FLAGS(", ", perout, flags, ptp_flags_options, "PTP_???");
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tprints("}");
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break;
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}
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case PTP_ENABLE_PPS:
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tprintf(", %" PRI_kld, arg);
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break;
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case PTP_SYS_OFFSET: {
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struct ptp_sys_offset sysoff;
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if (entering(tcp)) {
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tprints(", ");
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if (umove_or_printaddr(tcp, arg, &sysoff))
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break;
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PRINT_FIELD_U("{", sysoff, n_samples);
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return 0;
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} else {
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unsigned int n_samples, i;
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if (syserror(tcp)) {
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tprints("}");
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break;
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}
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tprints(", ");
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if (umove(tcp, arg, &sysoff) < 0) {
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tprints("???}");
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break;
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}
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tprints("ts=[");
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n_samples = sysoff.n_samples > PTP_MAX_SAMPLES ?
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PTP_MAX_SAMPLES : sysoff.n_samples;
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for (i = 0; i < 2 * n_samples + 1; ++i) {
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if (i > 0)
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tprints(", ");
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PRINT_FIELD_D("{", sysoff.ts[i], sec);
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PRINT_FIELD_U(", ", sysoff.ts[i], nsec);
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tprints("}");
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}
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if (sysoff.n_samples > PTP_MAX_SAMPLES)
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tprints(", ...");
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tprints("]}");
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break;
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}
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}
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case PTP_CLOCK_GETCAPS: {
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struct ptp_clock_caps caps;
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if (entering(tcp))
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return 0;
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tprints(", ");
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if (umove_or_printaddr(tcp, arg, &caps))
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break;
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PRINT_FIELD_D("{", caps, max_adj);
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PRINT_FIELD_D(", ", caps, n_alarm);
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PRINT_FIELD_D(", ", caps, n_ext_ts);
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PRINT_FIELD_D(", ", caps, n_per_out);
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PRINT_FIELD_D(", ", caps, pps);
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tprints("}");
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break;
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}
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default:
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return RVAL_DECODED;
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}
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return RVAL_IOCTL_DECODED;
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}
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#endif /* HAVE_STRUCT_PTP_SYS_OFFSET */
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