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From: Felipe Balbi <felipe.balbi@linux.intel.com>
To: Richard Cochran <richardcochran@gmail.com>
Cc: netdev@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	"H . Peter Anvin" <hpa@zytor.com>,
	x86@kernel.org, linux-kernel@vger.kernel.org,
	"Christopher S . Hall" <christopher.s.hall@intel.com>,
	Felipe Balbi <felipe.balbi@linux.intel.com>
Subject: [RFC PATCH 2/5] PTP: add a callback for counting timestamp events
Date: Tue, 16 Jul 2019 10:20:35 +0300	[thread overview]
Message-ID: <20190716072038.8408-3-felipe.balbi@linux.intel.com> (raw)
In-Reply-To: <20190716072038.8408-1-felipe.balbi@linux.intel.com>

This will be used for frequency discipline adjustments.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
---
 include/linux/ptp_clock_kernel.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h
index 28eb9c792522..1a4e3f916128 100644
--- a/include/linux/ptp_clock_kernel.h
+++ b/include/linux/ptp_clock_kernel.h
@@ -35,6 +35,16 @@ struct ptp_system_timestamp {
 	struct timespec64 post_ts;
 };
 
+/**
+ * struct ptp_event_count_tstamp - device time vs event count for frequency discipline
+ */
+struct ptp_event_count_tstamp {
+	unsigned int index;
+
+	struct ptp_clock_time device_time;
+	u64 event_count;
+};
+
 /**
  * struct ptp_clock_info - decribes a PTP hardware clock
  *
@@ -134,6 +144,8 @@ struct ptp_clock_info {
 			  struct ptp_system_timestamp *sts);
 	int (*getcrosststamp)(struct ptp_clock_info *ptp,
 			      struct system_device_crosststamp *cts);
+	int (*counttstamp)(struct ptp_clock_info *ptp,
+			   struct ptp_event_count_tstamp *count);
 	int (*settime64)(struct ptp_clock_info *p, const struct timespec64 *ts);
 	int (*enable)(struct ptp_clock_info *ptp,
 		      struct ptp_clock_request *request, int on);
-- 
2.22.0


  parent reply	other threads:[~2019-07-16  7:20 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-16  7:20 [RFC PATCH 0/5] PTP: add support for Intel's TGPIO controller Felipe Balbi
2019-07-16  7:20 ` [RFC PATCH 1/5] x86: tsc: add tsc to art helpers Felipe Balbi
2019-07-16  7:57   ` Thomas Gleixner
2019-08-15  5:57     ` Felipe Balbi
2019-08-15 14:16       ` Thomas Gleixner
2019-10-01 10:24         ` Felipe Balbi
2019-10-17 11:15           ` Thomas Gleixner
2019-10-17 12:01             ` Felipe Balbi
2019-07-16  7:20 ` Felipe Balbi [this message]
2019-07-16  7:20 ` [RFC PATCH 3/5] PTP: implement PTP_EVENT_COUNT_TSTAMP ioctl Felipe Balbi
2019-07-16  7:20 ` [RFC PATCH 4/5] PTP: Add flag for non-periodic output Felipe Balbi
2019-07-16 16:39   ` Richard Cochran
2019-07-17  6:49     ` Felipe Balbi
2019-07-17 17:36       ` Richard Cochran
2019-07-18  8:59         ` Felipe Balbi
2019-07-18 16:41           ` Richard Cochran
2019-08-13  7:53             ` Felipe Balbi
2019-08-13 17:48               ` Richard Cochran
2019-08-13 18:06                 ` Richard Cochran
2019-08-14  7:05                   ` Felipe Balbi
2019-07-16  7:20 ` [RFC PATCH 5/5] PTP: Add support for Intel PMC Timed GPIO Controller Felipe Balbi
2019-07-16 19:14   ` Shannon Nelson
2019-07-17  6:51     ` Felipe Balbi
2019-07-16 16:41 ` [RFC PATCH 0/5] PTP: add support for Intel's TGPIO controller Richard Cochran
2019-07-17  6:52   ` Felipe Balbi
2019-07-17 17:39     ` Richard Cochran
2019-07-18  8:58       ` Felipe Balbi
2019-07-18 19:50 ` Andrew Lunn
2019-07-19  7:35   ` Felipe Balbi
2019-07-19 13:20     ` Andrew Lunn
2019-08-13  7:50       ` Felipe Balbi
2019-08-13 17:49         ` Richard Cochran

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