This header will be used by the new tc-tbs qdisc.
It was copied from kernel tag 4.16.0-rc2.
Signed-off-by: Jesus Sanchez-Palencia <jesus.sanchez-palen...@intel.com>
---
include/uapi/linux/ptp_clock.h | 147 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 147 insertions(+)
create mode 100644 include/uapi/linux/ptp_clock.h
diff --git a/include/uapi/linux/ptp_clock.h b/include/uapi/linux/ptp_clock.h
new file mode 100644
index 00000000..3039bf6a
--- /dev/null
+++ b/include/uapi/linux/ptp_clock.h
@@ -0,0 +1,147 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * PTP 1588 clock support - user space interface
+ *
+ * Copyright (C) 2010 OMICRON electronics GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _PTP_CLOCK_H_
+#define _PTP_CLOCK_H_
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+/* PTP_xxx bits, for the flags field within the request structures. */
+#define PTP_ENABLE_FEATURE (1<<0)
+#define PTP_RISING_EDGE (1<<1)
+#define PTP_FALLING_EDGE (1<<2)
+
+/*
+ * struct ptp_clock_time - represents a time value
+ *
+ * The sign of the seconds field applies to the whole value. The
+ * nanoseconds field is always unsigned. The reserved field is
+ * included for sub-nanosecond resolution, should the demand for
+ * this ever appear.
+ *
+ */
+struct ptp_clock_time {
+ __s64 sec; /* seconds */
+ __u32 nsec; /* nanoseconds */
+ __u32 reserved;
+};
+
+struct ptp_clock_caps {
+ int max_adj; /* Maximum frequency adjustment in parts per billon. */
+ int n_alarm; /* Number of programmable alarms. */
+ int n_ext_ts; /* Number of external time stamp channels. */
+ int n_per_out; /* Number of programmable periodic signals. */
+ int pps; /* Whether the clock supports a PPS callback. */
+ int n_pins; /* Number of input/output pins. */
+ /* Whether the clock supports precise system-device cross timestamps */
+ int cross_timestamping;
+ int rsv[13]; /* Reserved for future use. */
+};
+
+struct ptp_extts_request {
+ unsigned int index; /* Which channel to configure. */
+ unsigned int flags; /* Bit field for PTP_xxx flags. */
+ unsigned int rsv[2]; /* Reserved for future use. */
+};
+
+struct ptp_perout_request {
+ struct ptp_clock_time start; /* Absolute start time. */
+ struct ptp_clock_time period; /* Desired period, zero means disable. */
+ unsigned int index; /* Which channel to configure. */
+ unsigned int flags; /* Reserved for future use. */
+ unsigned int rsv[4]; /* Reserved for future use. */
+};
+
+#define PTP_MAX_SAMPLES 25 /* Maximum allowed offset measurement samples. */
+
+struct ptp_sys_offset {
+ unsigned int n_samples; /* Desired number of measurements. */
+ unsigned int rsv[3]; /* Reserved for future use. */
+ /*
+ * Array of interleaved system/phc time stamps. The kernel
+ * will provide 2*n_samples + 1 time stamps, with the last
+ * one as a system time stamp.
+ */
+ struct ptp_clock_time ts[2 * PTP_MAX_SAMPLES + 1];
+};
+
+struct ptp_sys_offset_precise {
+ struct ptp_clock_time device;
+ struct ptp_clock_time sys_realtime;
+ struct ptp_clock_time sys_monoraw;
+ unsigned int rsv[4]; /* Reserved for future use. */
+};
+
+enum ptp_pin_function {
+ PTP_PF_NONE,
+ PTP_PF_EXTTS,
+ PTP_PF_PEROUT,
+ PTP_PF_PHYSYNC,
+};
+
+struct ptp_pin_desc {
+ /*
+ * Hardware specific human readable pin name. This field is
+ * set by the kernel during the PTP_PIN_GETFUNC ioctl and is
+ * ignored for the PTP_PIN_SETFUNC ioctl.
+ */
+ char name[64];
+ /*
+ * Pin index in the range of zero to ptp_clock_caps.n_pins - 1.
+ */
+ unsigned int index;
+ /*
+ * Which of the PTP_PF_xxx functions to use on this pin.
+ */
+ unsigned int func;
+ /*
+ * The specific channel to use for this function.
+ * This corresponds to the 'index' field of the
+ * PTP_EXTTS_REQUEST and PTP_PEROUT_REQUEST ioctls.
+ */
+ unsigned int chan;
+ /*
+ * Reserved for future use.
+ */
+ unsigned int rsv[5];
+};
+
+#define PTP_CLK_MAGIC '='
+
+#define PTP_CLOCK_GETCAPS _IOR(PTP_CLK_MAGIC, 1, struct ptp_clock_caps)
+#define PTP_EXTTS_REQUEST _IOW(PTP_CLK_MAGIC, 2, struct ptp_extts_request)
+#define PTP_PEROUT_REQUEST _IOW(PTP_CLK_MAGIC, 3, struct ptp_perout_request)
+#define PTP_ENABLE_PPS _IOW(PTP_CLK_MAGIC, 4, int)
+#define PTP_SYS_OFFSET _IOW(PTP_CLK_MAGIC, 5, struct ptp_sys_offset)
+#define PTP_PIN_GETFUNC _IOWR(PTP_CLK_MAGIC, 6, struct ptp_pin_desc)
+#define PTP_PIN_SETFUNC _IOW(PTP_CLK_MAGIC, 7, struct ptp_pin_desc)
+#define PTP_SYS_OFFSET_PRECISE \
+ _IOWR(PTP_CLK_MAGIC, 8, struct ptp_sys_offset_precise)
+
+struct ptp_extts_event {
+ struct ptp_clock_time t; /* Time event occured. */
+ unsigned int index; /* Which channel produced the event. */
+ unsigned int flags; /* Reserved for future use. */
+ unsigned int rsv[2]; /* Reserved for future use. */
+};
+
+#endif
--
2.16.2
