ptp.c: enhance ptp ioctl parser
* ptp.c: Include <linux/ioctl.h> instead of <sys/ioctl.h>. Update for RVAL_DECODED. (ptp_ioctl): Use umove_or_printaddr.
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ptp.c
168
ptp.c
@ -1,98 +1,110 @@
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#include "defs.h"
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#include <sys/ioctl.h>
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#include <linux/ioctl.h>
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#include <linux/ptp_clock.h>
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#include "xlat/ptp_flags_options.h"
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int
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ptp_ioctl(struct tcb *tcp, const unsigned int code, long arg)
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ptp_ioctl(struct tcb *tcp, const unsigned int code, const long arg)
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{
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if (!verbose(tcp))
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return 0;
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return RVAL_DECODED;
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switch (code) {
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case PTP_CLOCK_GETCAPS: /* decode on exit */
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{
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struct ptp_clock_caps caps;
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case PTP_EXTTS_REQUEST: {
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struct ptp_extts_request extts;
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if (entering(tcp) || syserror(tcp) ||
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umove(tcp, arg, &caps) < 0)
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return 0;
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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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tprintf(", {max_adj=%d, n_alarm=%d, n_ext_ts=%d, n_per_out=%d, pps=%d}",
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caps.max_adj, caps.n_alarm, caps.n_ext_ts,
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caps.n_per_out, caps.pps);
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tprintf("{index=%d, flags=", extts.index);
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printflags(ptp_flags_options, extts.flags, "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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tprintf("{start={%" PRId64 ", %" PRIu32 "}"
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", period={%" PRId64 ", %" PRIu32 "}"
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", index=%d, flags=",
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(int64_t)perout.start.sec, perout.start.nsec,
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(int64_t)perout.period.sec, perout.period.nsec,
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perout.index);
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printflags(ptp_flags_options, perout.flags, "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(", %ld", 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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tprintf("{n_samples=%u", sysoff.n_samples);
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return 1;
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}
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} else {
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unsigned int n_samples, i;
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case PTP_EXTTS_REQUEST: /* decode on enter */
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{
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struct ptp_extts_request extts;
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if (exiting(tcp))
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return 1;
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if (umove(tcp, arg, &extts) < 0) {
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tprintf(", %#lx", arg);
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return 0;
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}
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tprintf(", {index=%d, flags=", extts.index);
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printflags(ptp_flags_options, extts.flags, "PTP_???");
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tprints("}");
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return 1;
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}
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case PTP_PEROUT_REQUEST: /* decode on enter */
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{
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struct ptp_perout_request perout;
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if (exiting(tcp))
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return 1;
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if (umove(tcp, arg, &perout) < 0) {
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tprintf(", %#lx", arg);
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return 0;
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}
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tprintf(", {start={%" PRId64 ", %" PRIu32 "}"
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", period={%" PRId64 ", %" PRIu32 "}"
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", index=%d, flags=",
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(int64_t)perout.start.sec, perout.start.nsec,
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(int64_t)perout.period.sec, perout.period.nsec,
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perout.index);
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printflags(ptp_flags_options, perout.flags, "PTP_???");
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tprints("}");
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return 1;
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}
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case PTP_ENABLE_PPS: /* decode on enter */
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if (entering(tcp))
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tprintf(", %ld", arg);
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return 1;
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case PTP_SYS_OFFSET: /* decode on exit */
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{
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struct ptp_sys_offset sysoff;
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unsigned int i;
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if (entering(tcp) || umove(tcp, arg, &sysoff) < 0)
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return 0;
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tprintf(", {n_samples=%u, ts={", sysoff.n_samples);
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if (syserror(tcp)) {
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tprints("...}}");
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return 1;
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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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tprintf("{%" PRId64 ", %" PRIu32 "}",
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(int64_t)sysoff.ts[i].sec,
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sysoff.ts[i].nsec);
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}
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if (sysoff.n_samples > PTP_MAX_SAMPLES)
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sysoff.n_samples = PTP_MAX_SAMPLES;
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tprintf("{%" PRId64 ", %" PRIu32 "}",
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(int64_t)sysoff.ts[0].sec, sysoff.ts[0].nsec);
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for (i = 1; i < 2*sysoff.n_samples+1; ++i)
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tprintf(", {%" PRId64 ", %" PRIu32 "}",
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(int64_t)sysoff.ts[i].sec, sysoff.ts[i].nsec);
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tprints("}}");
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return 1;
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tprints(", ...");
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tprints("]}");
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break;
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}
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default: /* decode on exit */
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return 0;
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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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tprintf("{max_adj=%d, n_alarm=%d, n_ext_ts=%d, n_per_out=%d, pps=%d}",
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caps.max_adj, caps.n_alarm, caps.n_ext_ts,
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caps.n_per_out, caps.pps);
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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_DECODED | 1;
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}
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