[PATCH] tests: Add test for decoding of PTP_* ioctl commands
Harsha Sharma
harshasharmaiitr at gmail.com
Sun Feb 25 10:31:14 UTC 2018
* tests/ioctl_ptp.c: New file.
* tests/.gitignore: Add ioctl_ptp.
* tests/Makefile.am (check_PROGRAMS): Likewise.
* tests/gen_tests.in (ioctl_ptp): New entry.
* tests/pure_executables.list: Likewise.
---
tests/.gitignore | 1 +
tests/Makefile.am | 1 +
tests/gen_tests.in | 1 +
tests/ioctl_ptp.c | 104 ++++++++++++++++++++++++++++++++++++++++++++
tests/pure_executables.list | 2 +
5 files changed, 109 insertions(+)
create mode 100644 tests/ioctl_ptp.c
diff --git a/tests/.gitignore b/tests/.gitignore
index 623b98f8..ad0ee1c2 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -135,6 +135,7 @@ ioctl_loop-nv
ioctl_loop-v
ioctl_mtd
ioctl_nsfs
+ioctl_ptp
ioctl_rtc
ioctl_rtc-v
ioctl_scsi
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 493a7f97..ced96816 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -110,6 +110,7 @@ check_PROGRAMS = $(PURE_EXECUTABLES) \
ioctl_loop-nv \
ioctl_loop-v \
ioctl_nsfs \
+ ioctl_ptp \
ioctl_rtc-v \
is_linux_mips_n64 \
ksysent \
diff --git a/tests/gen_tests.in b/tests/gen_tests.in
index d41bd670..ea611a8f 100644
--- a/tests/gen_tests.in
+++ b/tests/gen_tests.in
@@ -134,6 +134,7 @@ ioctl_loop-nv +ioctl.test -a22 -e verbose=none
ioctl_loop-v +ioctl.test -v
ioctl_mtd +ioctl.test
ioctl_nsfs +ioctl.test -esignal=none
+ioctl_ptp +ioctl.test
ioctl_rtc +ioctl.test
ioctl_rtc-v +ioctl.test -v
ioctl_scsi +ioctl.test
diff --git a/tests/ioctl_ptp.c b/tests/ioctl_ptp.c
new file mode 100644
index 00000000..009c12cd
--- /dev/null
+++ b/tests/ioctl_ptp.c
@@ -0,0 +1,104 @@
+/*
+ * Check decoding of PTP_* commands of ioctl syscall.
+ *
+ * Copyright (c) 2017 Harsha Sharma <harshasharmaiitr at gmail.com>
+ * 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 "tests.h"
+#include "xlat.h"
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#include <inttypes.h>
+#include <unistd.h>
+#include <linux/ptp_clock.h>
+
+#include "xlat/ptp_flags_options.h"
+
+static void
+test_no_device(void)
+{
+ ioctl(-1, PTP_CLOCK_GETCAPS, NULL);
+ printf("ioctl(-1, PTP_CLOCK_GETCAPS, NULL) = -1 EBADF (%m)\n");
+ ioctl(-1, PTP_SYS_OFFSET, NULL);
+ printf("ioctl(-1, PTP_SYS_OFFSET, NULL) = -1 EBADF (%m)\n");
+ ioctl(-1, PTP_ENABLE_PPS, 0);
+ printf("ioctl(-1, PTP_ENABLE_PPS, 0) = -1 EBADF (%m)\n");
+ ioctl(-1, PTP_EXTTS_REQUEST, NULL);
+ printf("ioctl(-1, PTP_EXTTS_REQUEST, NULL) = -1 EBADF (%m)\n");
+ ioctl(-1, PTP_PEROUT_REQUEST, NULL);
+ printf("ioctl(-1, PTP_PEROUT_REQUEST, NULL) = -1 EBADF (%m)\n");
+}
+
+static void
+test_ptp0_device(void)
+{
+ struct ptp_clock_caps *caps;
+ struct ptp_extts_request extts;
+ struct ptp_perout_request perout;
+ struct ptp_sys_offset sysoff;
+
+ int fd = open("/dev/ptp0", O_RDWR);
+
+ if (fd < 0)
+ perror_msg_and_skip("clock invalid");
+
+ int getcaps_fd = ioctl(fd, PTP_CLOCK_GETCAPS, &caps);
+ printf("ioctl(%d, PTP_CLOCK_GETCAPS, %p) = %s\n",
+ fd, &caps, sprintrc(getcaps_fd));
+
+ int sysoff_fd = ioctl(fd, PTP_SYS_OFFSET, &sysoff);
+ printf("ioctl(%d, PTP_SYS_OFFSET, {n_samples=%u}) = %s\n",
+ fd, sysoff.n_samples, sprintrc(sysoff_fd));
+
+ int pps_fd = ioctl(fd, PTP_ENABLE_PPS, 1);
+ printf("ioctl(%d, PTP_ENABLE_PPS, 1) = %s\n", fd, sprintrc(pps_fd));
+
+ int extts_fd = ioctl(fd, PTP_EXTTS_REQUEST, &extts);
+ printf("ioctl(%d, PTP_EXTTS_REQUEST, {index=%d, flags=",
+ fd, extts.index);
+ printflags(ptp_flags_options, extts.flags, "PTP_???");
+ printf("}) = %s\n", sprintrc(extts_fd));
+
+ int perout_fd = ioctl(fd, PTP_PEROUT_REQUEST, &perout);
+ printf("ioctl(%d, PTP_PEROUT_REQUEST, {start={%" PRId64 ""
+ ", %" PRIu32 "}, period={%" PRId64 ", %" PRIu32 "}"
+ ", index=%d, flags=", fd, (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_???");
+ printf("}) = %s\n", sprintrc(perout_fd));
+}
+
+int
+main(void)
+{
+ test_no_device();
+ test_ptp0_device();
+ puts("+++ exited with 0 +++");
+ return 0;
+}
diff --git a/tests/pure_executables.list b/tests/pure_executables.list
index 1ed40d1f..3e346619 100755
--- a/tests/pure_executables.list
+++ b/tests/pure_executables.list
@@ -107,6 +107,8 @@ ioctl_kvm_run
ioctl_loop
ioctl_mtd
ioctl_rtc
+ioctl_nsfs
+ioctl_ptp
ioctl_scsi
ioctl_sg_io_v3
ioctl_sg_io_v4
--
2.14.1
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